http://drm.bkbits.net/drm-2.6 airlied@starflyer.(none)|ChangeSet|20041123075213|59307 airlied # This is a BitKeeper generated diff -Nru style patch. # # ChangeSet # 2004/11/23 18:52:13+11:00 airlied@starflyer.(none) # drm: move the enable device before filling in device info # # This moves the pci_enable_device to before the device info is # filled out as without routeirq this goes wrong.. # # Thanks to Ralf Gerbig for testing this. # # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_stub.c # 2004/11/23 18:52:04+11:00 airlied@starflyer.(none) +3 -1 # drm: move the enable device before filling in device info # # This moves the pci_enable_device to before the device info is # filled out as without routeirq this goes wrong.. # # Thanks to Ralf Gerbig for testing this. # # Signed-off-by: Dave Airlie # # ChangeSet # 2004/11/13 15:11:17-08:00 akpm@bix.(none) # ll # # drivers/char/drm/drm_drv.c # 2004/11/13 15:11:10-08:00 akpm@bix.(none) +1 -1 # sss # # drivers/char/drm/drm_drv.c # 2004/11/13 15:05:37-08:00 akpm@bix.(none) +0 -0 # Merge rename: drivers/char/drm/drm_drv.h -> drivers/char/drm/drm_drv.c # # ChangeSet # 2004/11/11 22:23:44+11:00 airlied@starflyer.(none) # drm: in-correct locking in intel drms # # The locking in the intel drms is incorrect it doesn't check # the current context owns the lock, just that someone does. # This could allow strange things to happen with multiple clients. # # From: Stefan Dirsch # Approved-by: Dave Airlie # # drivers/char/drm/i915_irq.c # 2004/11/11 22:23:34+11:00 airlied@starflyer.(none) +1 -4 # drm: in-correct locking in intel drms # # The locking in the intel drms is incorrect it doesn't check # the current context owns the lock, just that someone does. # This could allow strange things to happen with multiple clients. # # From: Stefan Dirsch # Approved-by: Dave Airlie # # drivers/char/drm/i915_dma.c # 2004/11/11 22:23:34+11:00 airlied@starflyer.(none) +5 -16 # drm: in-correct locking in intel drms # # The locking in the intel drms is incorrect it doesn't check # the current context owns the lock, just that someone does. # This could allow strange things to happen with multiple clients. # # From: Stefan Dirsch # Approved-by: Dave Airlie # # drivers/char/drm/i830_irq.c # 2004/11/11 22:23:34+11:00 airlied@starflyer.(none) +1 -4 # drm: in-correct locking in intel drms # # The locking in the intel drms is incorrect it doesn't check # the current context owns the lock, just that someone does. # This could allow strange things to happen with multiple clients. # # From: Stefan Dirsch # Approved-by: Dave Airlie # # drivers/char/drm/i830_dma.c # 2004/11/11 22:23:34+11:00 airlied@starflyer.(none) +6 -24 # drm: in-correct locking in intel drms # # The locking in the intel drms is incorrect it doesn't check # the current context owns the lock, just that someone does. # This could allow strange things to happen with multiple clients. # # From: Stefan Dirsch # Approved-by: Dave Airlie # # drivers/char/drm/i810_dma.c # 2004/11/11 22:23:34+11:00 airlied@starflyer.(none) +10 -37 # drm: in-correct locking in intel drms # # The locking in the intel drms is incorrect it doesn't check # the current context owns the lock, just that someone does. # This could allow strange things to happen with multiple clients. # # From: Stefan Dirsch # Approved-by: Dave Airlie # # ChangeSet # 2004/11/11 21:52:12+11:00 airlied@starflyer.(none) # drm: remove use of drm_agp use agp backend directly. # # This removes the inter module stuff between the DRM and AGP. # # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_drv.c # 2004/11/11 21:52:02+11:00 airlied@starflyer.(none) +0 -1 # drm: remove use of drm_agp use agp backend directly. # # This removes the inter module stuff between the DRM and AGP. # # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_agpsupport.c # 2004/11/11 21:52:02+11:00 airlied@starflyer.(none) +37 -66 # drm: remove use of drm_agp use agp backend directly. # # This removes the inter module stuff between the DRM and AGP. # # Signed-off-by: Dave Airlie # # drivers/char/drm/drmP.h # 2004/11/11 21:52:02+11:00 airlied@starflyer.(none) +0 -1 # drm: remove use of drm_agp use agp backend directly. # # This removes the inter module stuff between the DRM and AGP. # # Signed-off-by: Dave Airlie # # ChangeSet # 2004/11/11 21:15:33+11:00 airlied@starflyer.(none) # drm: fix Kconfig dependency # # fixup DRM/AGP Kconfig inter-dependency... # # From: Roman Zippel # Signed-off-by: Dave Airlie # # drivers/char/drm/Kconfig # 2004/11/11 21:15:23+11:00 airlied@starflyer.(none) +1 -0 # drm: fix Kconfig dependency # # fixup DRM/AGP Kconfig inter-dependency... # # From: Roman Zippel # Signed-off-by: Dave Airlie # # ChangeSet # 2004/11/11 20:53:06+11:00 airlied@starflyer.(none) # drm: fix warning for missing vunmap # # In file included from drivers/char/drm/drmP.h:795, # from drivers/char/drm/drm_dma.c:36: # drivers/char/drm/drm_memory.h: In function `drm_ioremapfree': # drivers/char/drm/drm_memory.h:191: warning: implicit declaration of function # `vunmap' # # Signed-off-by: Andrew Morton # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_memory.h # 2004/11/11 20:52:55+11:00 airlied@starflyer.(none) +1 -0 # drm: fix warning for missing vunmap # # In file included from drivers/char/drm/drmP.h:795, # from drivers/char/drm/drm_dma.c:36: # drivers/char/drm/drm_memory.h: In function `drm_ioremapfree': # drivers/char/drm/drm_memory.h:191: warning: implicit declaration of function # `vunmap' # # Signed-off-by: Andrew Morton # Signed-off-by: Dave Airlie # # ChangeSet # 2004/11/10 22:34:21+11:00 airlied@starflyer.(none) # drm: move ati_pcigart into drm core # # This moves the ati_pcigart code into the drm core. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/radeon_drv.c # 2004/11/10 22:34:12+11:00 airlied@starflyer.(none) +0 -1 # drm: move ati_pcigart into drm core # # This moves the ati_pcigart code into the drm core. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/radeon_cp.c # 2004/11/10 22:34:12+11:00 airlied@starflyer.(none) +0 -1 # drm: move ati_pcigart into drm core # # This moves the ati_pcigart code into the drm core. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/r128_drv.c # 2004/11/10 22:34:12+11:00 airlied@starflyer.(none) +0 -1 # drm: move ati_pcigart into drm core # # This moves the ati_pcigart code into the drm core. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/r128_cce.c # 2004/11/10 22:34:12+11:00 airlied@starflyer.(none) +0 -1 # drm: move ati_pcigart into drm core # # This moves the ati_pcigart code into the drm core. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/ati_pcigart.c # 2004/11/10 22:34:12+11:00 airlied@starflyer.(none) +6 -5 # drm: move ati_pcigart into drm core # # This moves the ati_pcigart code into the drm core. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/Makefile # 2004/11/10 22:34:12+11:00 airlied@starflyer.(none) +1 -1 # drm: move ati_pcigart into drm core # # This moves the ati_pcigart code into the drm core. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/ati_pcigart.c # 2004/11/10 22:26:00+11:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/ati_pcigart.h -> drivers/char/drm/ati_pcigart.c # # ChangeSet # 2004/11/05 20:00:41+11:00 airlied@starflyer.(none) # drm: make pcigart functions inline # # with these unstatic uninline the kernel wouldn't build with both configured. # # Signed-off-by: Dave Airlie # # drivers/char/drm/radeon_cp.c # 2004/11/05 20:00:30+11:00 airlied@starflyer.(none) +1 -0 # drm: make pcigart functions inline # # with these unstatic uninline the kernel wouldn't build with both configured. # # Signed-off-by: Dave Airlie # # drivers/char/drm/r128_cce.c # 2004/11/05 20:00:30+11:00 airlied@starflyer.(none) +1 -0 # drm: make pcigart functions inline # # with these unstatic uninline the kernel wouldn't build with both configured. # # Signed-off-by: Dave Airlie # # drivers/char/drm/ati_pcigart.h # 2004/11/05 20:00:30+11:00 airlied@starflyer.(none) +39 -38 # drm: make pcigart functions inline # # with these unstatic uninline the kernel wouldn't build with both configured. # # Signed-off-by: Dave Airlie # # ChangeSet # 2004/11/04 22:32:38+11:00 airlied@starflyer.(none) # drm: rearrange some functions for new split # # This change moves some functions into different C files to align things # a bit more correctly... # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/drm_stub.c # 2004/11/04 22:32:28+11:00 airlied@starflyer.(none) +73 -7 # drm: rearrange some functions for new split # # This change moves some functions into different C files to align things # a bit more correctly... # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/drm_lock.c # 2004/11/04 22:32:28+11:00 airlied@starflyer.(none) +139 -4 # drm: rearrange some functions for new split # # This change moves some functions into different C files to align things # a bit more correctly... # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/drm_ioctl.c # 2004/11/04 22:32:28+11:00 airlied@starflyer.(none) +8 -0 # drm: rearrange some functions for new split # # This change moves some functions into different C files to align things # a bit more correctly... # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/drm_fops.c # 2004/11/04 22:32:28+11:00 airlied@starflyer.(none) +290 -0 # drm: rearrange some functions for new split # # This change moves some functions into different C files to align things # a bit more correctly... # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/drm_drv.c # 2004/11/04 22:32:28+11:00 airlied@starflyer.(none) +7 -503 # drm: rearrange some functions for new split # # This change moves some functions into different C files to align things # a bit more correctly... # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/drmP.h # 2004/11/04 22:32:28+11:00 airlied@starflyer.(none) +12 -10 # drm: rearrange some functions for new split # # This change moves some functions into different C files to align things # a bit more correctly... # # From: Jon Smirl # Approved-by: Dave Airlie # # ChangeSet # 2004/11/04 21:35:52+11:00 airlied@starflyer.(none) # drm: move fops into drivers # # move the drm file operations into the driver. # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/tdfx_drv.c # 2004/11/04 21:35:43+11:00 airlied@starflyer.(none) +9 -0 # drm: move fops into drivers # # move the drm file operations into the driver. # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/sis_drv.c # 2004/11/04 21:35:43+11:00 airlied@starflyer.(none) +9 -0 # drm: move fops into drivers # # move the drm file operations into the driver. # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/radeon_drv.c # 2004/11/04 21:35:43+11:00 airlied@starflyer.(none) +9 -0 # drm: move fops into drivers # # move the drm file operations into the driver. # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/r128_drv.c # 2004/11/04 21:35:43+11:00 airlied@starflyer.(none) +9 -0 # drm: move fops into drivers # # move the drm file operations into the driver. # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/mga_drv.c # 2004/11/04 21:35:43+11:00 airlied@starflyer.(none) +9 -0 # drm: move fops into drivers # # move the drm file operations into the driver. # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/i915_drv.c # 2004/11/04 21:35:43+11:00 airlied@starflyer.(none) +9 -0 # drm: move fops into drivers # # move the drm file operations into the driver. # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/i830_drv.c # 2004/11/04 21:35:43+11:00 airlied@starflyer.(none) +9 -0 # drm: move fops into drivers # # move the drm file operations into the driver. # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/i810_drv.c # 2004/11/04 21:35:43+11:00 airlied@starflyer.(none) +9 -0 # drm: move fops into drivers # # move the drm file operations into the driver. # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/drm_vm.c # 2004/11/04 21:35:43+11:00 airlied@starflyer.(none) +1 -0 # drm: move fops into drivers # # move the drm file operations into the driver. # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/drm_stub.c # 2004/11/04 21:35:43+11:00 airlied@starflyer.(none) +1 -1 # drm: move fops into drivers # # move the drm file operations into the driver. # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/drm_fops.c # 2004/11/04 21:35:43+11:00 airlied@starflyer.(none) +1 -0 # drm: move fops into drivers # # move the drm file operations into the driver. # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/drm_drv.c # 2004/11/04 21:35:43+11:00 airlied@starflyer.(none) +0 -13 # drm: move fops into drivers # # move the drm file operations into the driver. # # From: Jon Smirl # Approved-by: Dave Airlie # # drivers/char/drm/drmP.h # 2004/11/04 21:35:43+11:00 airlied@starflyer.(none) +1 -3 # drm: move fops into drivers # # move the drm file operations into the driver. # # From: Jon Smirl # Approved-by: Dave Airlie # # ChangeSet # 2004/11/02 22:20:24+11:00 airlied@starflyer.(none) # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/tdfx_drv.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +3 -3 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/sis_drv.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +3 -3 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/radeon_drv.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +3 -3 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/r128_drv.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +3 -3 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/mga_drv.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +3 -3 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i915_drv.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +3 -3 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i830_drv.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +3 -3 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i810_drv.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +3 -3 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/gamma_dma.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +6 -6 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/ffb_drv.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +8 -8 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_vm.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +2 -2 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_stub.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +2 -2 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_proc.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +2 -2 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_irq.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +6 -6 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_ioctl.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +6 -6 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_fops.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +2 -2 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_drv.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +45 -45 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_context.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +4 -4 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_bufs.c # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +3 -3 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drmP.h # 2004/11/02 22:20:15+11:00 airlied@starflyer.(none) +7 -7 # drm: rename fn_tbl to driver as it is no longer a function table # # This renames the drm_driver_fn to drm_driver and fn_tbl to driver, # this name is makes much more sense now. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # ChangeSet # 2004/11/02 21:59:29+11:00 airlied@starflyer.(none) # drm: drm_memory.c missing from build # # Add drm_memory.c to build. # # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_memory.c # 2004/11/02 21:57:07+11:00 airlied@starflyer.(none) +181 -0 # # drivers/char/drm/drm_memory.c # 2004/11/02 21:57:07+11:00 airlied@starflyer.(none) +0 -0 # BitKeeper file /home/airlied/bitkeeper/drm-test/drivers/char/drm/drm_memory.c # # ChangeSet # 2004/11/02 21:55:16+11:00 airlied@starflyer.(none) # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/tdfx_drv.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +59 -4 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/sis_mm.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +2 -10 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/sis_ds.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +8 -9 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/sis_drv.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +14 -0 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/sis_drv.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +75 -2 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/sis_drm.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +15 -6 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/radeon_state.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +7 -23 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/radeon_mem.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +10 -11 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/radeon_irq.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +5 -6 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/radeon_drv.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +21 -0 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/radeon_drv.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +136 -2 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/radeon_cp.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +6 -7 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/r128_state.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +44 -57 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/r128_irq.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +1 -2 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/r128_drv.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +16 -1 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/r128_drv.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +99 -2 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/r128_cce.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +8 -9 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/mga_warp.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +0 -1 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/mga_state.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +0 -1 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/mga_irq.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +1 -2 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/mga_drv.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +15 -0 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/mga_drv.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +92 -2 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/mga_dma.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +8 -26 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i915_mem.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +10 -11 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i915_irq.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +0 -1 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i915_drv.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +24 -0 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i915_drv.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +92 -2 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i915_drm.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +25 -12 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i915_dma.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +5 -22 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i830_irq.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +0 -1 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i830_drv.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +33 -0 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i830_drv.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +101 -2 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i830_drm.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +29 -14 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i830_dma.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +15 -40 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i810_drv.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +31 -4 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i810_drv.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +93 -2 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i810_drm.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +31 -15 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/i810_dma.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +16 -32 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/ffb_drv.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +4 -6 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_vm.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +61 -59 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_stub.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +34 -120 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_scatter.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +18 -18 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_proc.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +40 -40 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_memory.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +0 -158 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_lock.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +5 -5 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_irq.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +20 -18 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_ioctl.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +17 -19 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_init.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +1 -77 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_fops.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +12 -10 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_drv.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +277 -275 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_drawable.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +2 -2 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_dma.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +14 -13 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_core.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +11 -17 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_context.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +32 -32 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_bufs.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +70 -69 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_auth.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +15 -15 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_agpsupport.c # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +31 -31 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drmP.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +157 -137 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/ati_pcigart.h # 2004/11/02 21:55:07+11:00 airlied@starflyer.(none) +8 -8 # drm: core/personality split for 2.6 kernel # # This changeset gets rid of the DRM() macros and implements a core DRM module # linked to a per graphics card personality module.. # # Remove old 2.4 module parameters and switch to 2.6 module parameters # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_memory.h # 2004/11/01 20:27:56+11:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_memory.c -> drivers/char/drm/drm_memory.h # # drivers/char/drm/tdfx_drv.h # 2004/11/01 20:12:34+11:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/tdfx.h -> drivers/char/drm/tdfx_drv.h # # ChangeSet # 2004/10/31 20:52:40+11:00 airlied@starflyer.(none) # Merge starflyer.(none):/home/airlied/bitkeeper/drm-core # into starflyer.(none):/home/airlied/bitkeeper/drm-test # # drivers/char/drm/drm_stub.c # 2004/10/31 20:52:36+11:00 airlied@starflyer.(none) +0 -0 # Auto merged # # drivers/char/drm/drm_proc.c # 2004/10/31 20:52:36+11:00 airlied@starflyer.(none) +0 -0 # Auto merged # # drivers/char/drm/drm_memory.c # 2004/10/31 20:52:36+11:00 airlied@starflyer.(none) +0 -0 # Auto merged # # drivers/char/drm/drm_irq.c # 2004/10/31 20:52:36+11:00 airlied@starflyer.(none) +0 -0 # Auto merged # # drivers/char/drm/drm_drv.c # 2004/10/31 20:52:36+11:00 airlied@starflyer.(none) +0 -0 # Auto merged # # drivers/char/drm/drm_stub.c # 2004/10/31 20:52:36+11:00 airlied@starflyer.(none) +0 -0 # Merge rename: drivers/char/drm/drm_stub.h -> drivers/char/drm/drm_stub.c # # drivers/char/drm/drm_proc.c # 2004/10/31 20:52:36+11:00 airlied@starflyer.(none) +0 -0 # Merge rename: drivers/char/drm/drm_proc.h -> drivers/char/drm/drm_proc.c # # drivers/char/drm/drm_memory.c # 2004/10/31 20:52:36+11:00 airlied@starflyer.(none) +0 -0 # Merge rename: drivers/char/drm/drm_memory.h -> drivers/char/drm/drm_memory.c # # drivers/char/drm/drm_irq.c # 2004/10/31 20:52:36+11:00 airlied@starflyer.(none) +0 -0 # Merge rename: drivers/char/drm/drm_irq.h -> drivers/char/drm/drm_irq.c # # drivers/char/drm/drm_drv.c # 2004/10/31 20:52:36+11:00 airlied@starflyer.(none) +0 -0 # Merge rename: drivers/char/drm/drm_drv.h -> drivers/char/drm/drm_drv.c # # ChangeSet # 2004/10/27 22:33:20+10:00 airlied@starflyer.(none) # drm: device minor fixups and /proc fixups # # This patch fixes up the DRM to do better minor number accounting # and /proc directory creation, the old code was buggy in a number # of situations with multiple cards, and rather ugly. It is also # a step on the way to the drm_core module. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_stub.h # 2004/10/27 22:33:12+10:00 airlied@starflyer.(none) +173 -135 # drm: device minor fixups and /proc fixups # # This patch fixes up the DRM to do better minor number accounting # and /proc directory creation, the old code was buggy in a number # of situations with multiple cards, and rather ugly. It is also # a step on the way to the drm_core module. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_proc.h # 2004/10/27 22:33:12+10:00 airlied@starflyer.(none) +6 -14 # drm: device minor fixups and /proc fixups # # This patch fixes up the DRM to do better minor number accounting # and /proc directory creation, the old code was buggy in a number # of situations with multiple cards, and rather ugly. It is also # a step on the way to the drm_core module. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_drv.h # 2004/10/27 22:33:12+10:00 airlied@starflyer.(none) +89 -97 # drm: device minor fixups and /proc fixups # # This patch fixes up the DRM to do better minor number accounting # and /proc directory creation, the old code was buggy in a number # of situations with multiple cards, and rather ugly. It is also # a step on the way to the drm_core module. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # drivers/char/drm/drmP.h # 2004/10/27 22:33:12+10:00 airlied@starflyer.(none) +24 -5 # drm: device minor fixups and /proc fixups # # This patch fixes up the DRM to do better minor number accounting # and /proc directory creation, the old code was buggy in a number # of situations with multiple cards, and rather ugly. It is also # a step on the way to the drm_core module. # # From: Jon Smirl and Dave Airlie # Signed-off-by: Dave Airlie # # ChangeSet # 2004/10/24 16:44:56+10:00 airlied@starflyer.(none) # drm: memory allocation patch # # This removes some unnecessary macros for allocating DRM memory. # It doesn't change any functionality. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/radeon_state.c # 2004/10/24 16:44:47+10:00 airlied@starflyer.(none) +2 -1 # drm: memory allocation patch # # This removes some unnecessary macros for allocating DRM memory. # It doesn't change any functionality. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/radeon_mem.c # 2004/10/24 16:44:47+10:00 airlied@starflyer.(none) +10 -10 # drm: memory allocation patch # # This removes some unnecessary macros for allocating DRM memory. # It doesn't change any functionality. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/r128_state.c # 2004/10/24 16:44:47+10:00 airlied@starflyer.(none) +42 -42 # drm: memory allocation patch # # This removes some unnecessary macros for allocating DRM memory. # It doesn't change any functionality. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/i915_mem.c # 2004/10/24 16:44:47+10:00 airlied@starflyer.(none) +10 -10 # drm: memory allocation patch # # This removes some unnecessary macros for allocating DRM memory. # It doesn't change any functionality. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_os_linux.h # 2004/10/24 16:44:47+10:00 airlied@starflyer.(none) +0 -5 # drm: memory allocation patch # # This removes some unnecessary macros for allocating DRM memory. # It doesn't change any functionality. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_memory_debug.h # 2004/10/24 16:44:47+10:00 airlied@starflyer.(none) +1 -1 # drm: memory allocation patch # # This removes some unnecessary macros for allocating DRM memory. # It doesn't change any functionality. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_memory.h # 2004/10/24 16:44:47+10:00 airlied@starflyer.(none) +3 -17 # drm: memory allocation patch # # This removes some unnecessary macros for allocating DRM memory. # It doesn't change any functionality. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_irq.h # 2004/10/24 16:44:47+10:00 airlied@starflyer.(none) +2 -2 # drm: memory allocation patch # # This removes some unnecessary macros for allocating DRM memory. # It doesn't change any functionality. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # drivers/char/drm/drmP.h # 2004/10/24 16:44:47+10:00 airlied@starflyer.(none) +20 -2 # drm: memory allocation patch # # This removes some unnecessary macros for allocating DRM memory. # It doesn't change any functionality. # # From: Jon Smirl # Signed-off-by: Dave Airlie # # ChangeSet # 2004/10/24 11:54:23+10:00 airlied@starflyer.(none) # drm: initial core move infrastructure change # # Initial infrastructure - move old H files to C files # also Kconfig and Makefile changes # # Signed-off-by: Dave Airlie # # drivers/char/drm/Makefile # 2004/10/24 11:54:11+10:00 airlied@starflyer.(none) +6 -0 # drm: initial core move infrastructure change # # Initial infrastructure - move old H files to C files # also Kconfig and Makefile changes # # Signed-off-by: Dave Airlie # # drivers/char/drm/Kconfig # 2004/10/24 11:54:11+10:00 airlied@starflyer.(none) +1 -1 # drm: initial core move infrastructure change # # Initial infrastructure - move old H files to C files # also Kconfig and Makefile changes # # Signed-off-by: Dave Airlie # # drivers/char/drm/drm_scatter.c # 2004/10/24 11:49:08+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_scatter.h -> drivers/char/drm/drm_scatter.c # # drivers/char/drm/drm_agpsupport.c # 2004/10/24 11:49:02+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_agpsupport.h -> drivers/char/drm/drm_agpsupport.c # # drivers/char/drm/drm_vm.c # 2004/10/24 11:48:49+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_vm.h -> drivers/char/drm/drm_vm.c # # drivers/char/drm/drm_stub.c # 2004/10/24 11:48:41+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_stub.h -> drivers/char/drm/drm_stub.c # # drivers/char/drm/drm_proc.c # 2004/10/24 11:48:34+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_proc.h -> drivers/char/drm/drm_proc.c # # drivers/char/drm/drm_memory.c # 2004/10/24 11:48:27+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_memory.h -> drivers/char/drm/drm_memory.c # # drivers/char/drm/drm_lock.c # 2004/10/24 11:48:21+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_lock.h -> drivers/char/drm/drm_lock.c # # drivers/char/drm/drm_irq.c # 2004/10/24 11:48:14+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_irq.h -> drivers/char/drm/drm_irq.c # # drivers/char/drm/drm_ioctl.c # 2004/10/24 11:48:08+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_ioctl.h -> drivers/char/drm/drm_ioctl.c # # drivers/char/drm/drm_init.c # 2004/10/24 11:48:02+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_init.h -> drivers/char/drm/drm_init.c # # drivers/char/drm/drm_fops.c # 2004/10/24 11:47:54+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_fops.h -> drivers/char/drm/drm_fops.c # # drivers/char/drm/drm_drv.c # 2004/10/24 11:47:46+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_drv.h -> drivers/char/drm/drm_drv.c # # drivers/char/drm/drm_drawable.c # 2004/10/24 11:47:39+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_drawable.h -> drivers/char/drm/drm_drawable.c # # drivers/char/drm/drm_dma.c # 2004/10/24 11:47:32+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_dma.h -> drivers/char/drm/drm_dma.c # # drivers/char/drm/drm_context.c # 2004/10/24 11:47:27+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_context.h -> drivers/char/drm/drm_context.c # # drivers/char/drm/drm_bufs.c # 2004/10/24 11:47:19+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_bufs.h -> drivers/char/drm/drm_bufs.c # # drivers/char/drm/drm_auth.c # 2004/10/24 11:46:56+10:00 airlied@starflyer.(none) +0 -0 # Rename: drivers/char/drm/drm_auth.h -> drivers/char/drm/drm_auth.c # diff -Nru a/drivers/char/drm/Kconfig b/drivers/char/drm/Kconfig --- a/drivers/char/drm/Kconfig 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/Kconfig 2004-12-12 18:07:35 -08:00 @@ -5,7 +5,8 @@ # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. # config DRM - bool "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)" + tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)" + depends on AGP || AGP=n help Kernel-level support for the Direct Rendering Infrastructure (DRI) introduced in XFree86 4.0. If you say Y here, you need to select diff -Nru a/drivers/char/drm/Makefile b/drivers/char/drm/Makefile --- a/drivers/char/drm/Makefile 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/Makefile 2004-12-12 18:07:35 -08:00 @@ -2,6 +2,11 @@ # Makefile for the drm device driver. This driver provides support for the # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. +drm-objs := drm_auth.o drm_bufs.o drm_context.o drm_dma.o drm_drawable.o \ + drm_drv.o drm_fops.o drm_init.o drm_ioctl.o drm_irq.o \ + drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \ + drm_agpsupport.o drm_scatter.o ati_pcigart.o + gamma-objs := gamma_drv.o gamma_dma.o tdfx-objs := tdfx_drv.o r128-objs := r128_drv.o r128_cce.o r128_state.o r128_irq.o @@ -13,6 +18,7 @@ ffb-objs := ffb_drv.o ffb_context.o sis-objs := sis_drv.o sis_ds.o sis_mm.o +obj-$(CONFIG_DRM) += drm.o obj-$(CONFIG_DRM_GAMMA) += gamma.o obj-$(CONFIG_DRM_TDFX) += tdfx.o obj-$(CONFIG_DRM_R128) += r128.o diff -Nru a/drivers/char/drm/ati_pcigart.c b/drivers/char/drm/ati_pcigart.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/ati_pcigart.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,208 @@ +/** + * \file ati_pcigart.h + * ATI PCI GART support + * + * \author Gareth Hughes + */ + +/* + * Created: Wed Dec 13 21:52:19 2000 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +#if PAGE_SIZE == 65536 +# define ATI_PCIGART_TABLE_ORDER 0 +# define ATI_PCIGART_TABLE_PAGES (1 << 0) +#elif PAGE_SIZE == 16384 +# define ATI_PCIGART_TABLE_ORDER 1 +# define ATI_PCIGART_TABLE_PAGES (1 << 1) +#elif PAGE_SIZE == 8192 +# define ATI_PCIGART_TABLE_ORDER 2 +# define ATI_PCIGART_TABLE_PAGES (1 << 2) +#elif PAGE_SIZE == 4096 +# define ATI_PCIGART_TABLE_ORDER 3 +# define ATI_PCIGART_TABLE_PAGES (1 << 3) +#else +# error - PAGE_SIZE not 64K, 16K, 8K or 4K +#endif + +# define ATI_MAX_PCIGART_PAGES 8192 /**< 32 MB aperture, 4K pages */ +# define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */ + +unsigned long drm_ati_alloc_pcigart_table( void ) +{ + unsigned long address; + struct page *page; + int i; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + address = __get_free_pages( GFP_KERNEL, ATI_PCIGART_TABLE_ORDER ); + if ( address == 0UL ) { + return 0; + } + + page = virt_to_page( address ); + + for ( i = 0 ; i < ATI_PCIGART_TABLE_PAGES ; i++, page++ ) { + get_page(page); + SetPageReserved( page ); + } + + DRM_DEBUG( "%s: returning 0x%08lx\n", __FUNCTION__, address ); + return address; +} + +static void drm_ati_free_pcigart_table( unsigned long address ) +{ + struct page *page; + int i; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + page = virt_to_page( address ); + + for ( i = 0 ; i < ATI_PCIGART_TABLE_PAGES ; i++, page++ ) { + __put_page(page); + ClearPageReserved( page ); + } + + free_pages( address, ATI_PCIGART_TABLE_ORDER ); +} + +int drm_ati_pcigart_cleanup( drm_device_t *dev, + unsigned long addr, + dma_addr_t bus_addr) +{ + drm_sg_mem_t *entry = dev->sg; + unsigned long pages; + int i; + + /* we need to support large memory configurations */ + if ( !entry ) { + DRM_ERROR( "no scatter/gather memory!\n" ); + return 0; + } + + if ( bus_addr ) { + pci_unmap_single(dev->pdev, bus_addr, + ATI_PCIGART_TABLE_PAGES * PAGE_SIZE, + PCI_DMA_TODEVICE); + + pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES ) + ? entry->pages : ATI_MAX_PCIGART_PAGES; + + for ( i = 0 ; i < pages ; i++ ) { + if ( !entry->busaddr[i] ) break; + pci_unmap_single(dev->pdev, entry->busaddr[i], + PAGE_SIZE, PCI_DMA_TODEVICE); + } + } + + if ( addr ) { + drm_ati_free_pcigart_table( addr ); + } + + return 1; +} +EXPORT_SYMBOL(drm_ati_pcigart_cleanup); + +int drm_ati_pcigart_init( drm_device_t *dev, + unsigned long *addr, + dma_addr_t *bus_addr) +{ + drm_sg_mem_t *entry = dev->sg; + unsigned long address = 0; + unsigned long pages; + u32 *pci_gart, page_base, bus_address = 0; + int i, j, ret = 0; + + if ( !entry ) { + DRM_ERROR( "no scatter/gather memory!\n" ); + goto done; + } + + address = drm_ati_alloc_pcigart_table(); + if ( !address ) { + DRM_ERROR( "cannot allocate PCI GART page!\n" ); + goto done; + } + + if ( !dev->pdev ) { + DRM_ERROR( "PCI device unknown!\n" ); + goto done; + } + + bus_address = pci_map_single(dev->pdev, (void *)address, + ATI_PCIGART_TABLE_PAGES * PAGE_SIZE, + PCI_DMA_TODEVICE); + if (bus_address == 0) { + DRM_ERROR( "unable to map PCIGART pages!\n" ); + drm_ati_free_pcigart_table( address ); + address = 0; + goto done; + } + + pci_gart = (u32 *)address; + + pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES ) + ? entry->pages : ATI_MAX_PCIGART_PAGES; + + memset( pci_gart, 0, ATI_MAX_PCIGART_PAGES * sizeof(u32) ); + + for ( i = 0 ; i < pages ; i++ ) { + /* we need to support large memory configurations */ + entry->busaddr[i] = pci_map_single(dev->pdev, + page_address( entry->pagelist[i] ), + PAGE_SIZE, + PCI_DMA_TODEVICE); + if (entry->busaddr[i] == 0) { + DRM_ERROR( "unable to map PCIGART pages!\n" ); + drm_ati_pcigart_cleanup( dev, address, bus_address ); + address = 0; + bus_address = 0; + goto done; + } + page_base = (u32) entry->busaddr[i]; + + for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) { + *pci_gart++ = cpu_to_le32( page_base ); + page_base += ATI_PCIGART_PAGE_SIZE; + } + } + + ret = 1; + +#if defined(__i386__) || defined(__x86_64__) + asm volatile ( "wbinvd" ::: "memory" ); +#else + mb(); +#endif + +done: + *addr = address; + *bus_addr = bus_address; + return ret; +} +EXPORT_SYMBOL(drm_ati_pcigart_init); diff -Nru a/drivers/char/drm/ati_pcigart.h b/drivers/char/drm/ati_pcigart.h --- a/drivers/char/drm/ati_pcigart.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,206 +0,0 @@ -/** - * \file ati_pcigart.h - * ATI PCI GART support - * - * \author Gareth Hughes - */ - -/* - * Created: Wed Dec 13 21:52:19 2000 by gareth@valinux.com - * - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -#include "drmP.h" - -#if PAGE_SIZE == 65536 -# define ATI_PCIGART_TABLE_ORDER 0 -# define ATI_PCIGART_TABLE_PAGES (1 << 0) -#elif PAGE_SIZE == 16384 -# define ATI_PCIGART_TABLE_ORDER 1 -# define ATI_PCIGART_TABLE_PAGES (1 << 1) -#elif PAGE_SIZE == 8192 -# define ATI_PCIGART_TABLE_ORDER 2 -# define ATI_PCIGART_TABLE_PAGES (1 << 2) -#elif PAGE_SIZE == 4096 -# define ATI_PCIGART_TABLE_ORDER 3 -# define ATI_PCIGART_TABLE_PAGES (1 << 3) -#else -# error - PAGE_SIZE not 64K, 16K, 8K or 4K -#endif - -# define ATI_MAX_PCIGART_PAGES 8192 /**< 32 MB aperture, 4K pages */ -# define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */ - -static unsigned long DRM(ati_alloc_pcigart_table)( void ) -{ - unsigned long address; - struct page *page; - int i; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - address = __get_free_pages( GFP_KERNEL, ATI_PCIGART_TABLE_ORDER ); - if ( address == 0UL ) { - return 0; - } - - page = virt_to_page( address ); - - for ( i = 0 ; i < ATI_PCIGART_TABLE_PAGES ; i++, page++ ) { - get_page(page); - SetPageReserved( page ); - } - - DRM_DEBUG( "%s: returning 0x%08lx\n", __FUNCTION__, address ); - return address; -} - -static void DRM(ati_free_pcigart_table)( unsigned long address ) -{ - struct page *page; - int i; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - page = virt_to_page( address ); - - for ( i = 0 ; i < ATI_PCIGART_TABLE_PAGES ; i++, page++ ) { - __put_page(page); - ClearPageReserved( page ); - } - - free_pages( address, ATI_PCIGART_TABLE_ORDER ); -} - -int DRM(ati_pcigart_init)( drm_device_t *dev, - unsigned long *addr, - dma_addr_t *bus_addr) -{ - drm_sg_mem_t *entry = dev->sg; - unsigned long address = 0; - unsigned long pages; - u32 *pci_gart, page_base, bus_address = 0; - int i, j, ret = 0; - - if ( !entry ) { - DRM_ERROR( "no scatter/gather memory!\n" ); - goto done; - } - - address = DRM(ati_alloc_pcigart_table)(); - if ( !address ) { - DRM_ERROR( "cannot allocate PCI GART page!\n" ); - goto done; - } - - if ( !dev->pdev ) { - DRM_ERROR( "PCI device unknown!\n" ); - goto done; - } - - bus_address = pci_map_single(dev->pdev, (void *)address, - ATI_PCIGART_TABLE_PAGES * PAGE_SIZE, - PCI_DMA_TODEVICE); - if (bus_address == 0) { - DRM_ERROR( "unable to map PCIGART pages!\n" ); - DRM(ati_free_pcigart_table)( address ); - address = 0; - goto done; - } - - pci_gart = (u32 *)address; - - pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES ) - ? entry->pages : ATI_MAX_PCIGART_PAGES; - - memset( pci_gart, 0, ATI_MAX_PCIGART_PAGES * sizeof(u32) ); - - for ( i = 0 ; i < pages ; i++ ) { - /* we need to support large memory configurations */ - entry->busaddr[i] = pci_map_single(dev->pdev, - page_address( entry->pagelist[i] ), - PAGE_SIZE, - PCI_DMA_TODEVICE); - if (entry->busaddr[i] == 0) { - DRM_ERROR( "unable to map PCIGART pages!\n" ); - DRM(ati_pcigart_cleanup)( dev, address, bus_address ); - address = 0; - bus_address = 0; - goto done; - } - page_base = (u32) entry->busaddr[i]; - - for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) { - *pci_gart++ = cpu_to_le32( page_base ); - page_base += ATI_PCIGART_PAGE_SIZE; - } - } - - ret = 1; - -#if defined(__i386__) || defined(__x86_64__) - asm volatile ( "wbinvd" ::: "memory" ); -#else - mb(); -#endif - -done: - *addr = address; - *bus_addr = bus_address; - return ret; -} - -int DRM(ati_pcigart_cleanup)( drm_device_t *dev, - unsigned long addr, - dma_addr_t bus_addr) -{ - drm_sg_mem_t *entry = dev->sg; - unsigned long pages; - int i; - - /* we need to support large memory configurations */ - if ( !entry ) { - DRM_ERROR( "no scatter/gather memory!\n" ); - return 0; - } - - if ( bus_addr ) { - pci_unmap_single(dev->pdev, bus_addr, - ATI_PCIGART_TABLE_PAGES * PAGE_SIZE, - PCI_DMA_TODEVICE); - - pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES ) - ? entry->pages : ATI_MAX_PCIGART_PAGES; - - for ( i = 0 ; i < pages ; i++ ) { - if ( !entry->busaddr[i] ) break; - pci_unmap_single(dev->pdev, entry->busaddr[i], - PAGE_SIZE, PCI_DMA_TODEVICE); - } - } - - if ( addr ) { - DRM(ati_free_pcigart_table)( addr ); - } - - return 1; -} diff -Nru a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h --- a/drivers/char/drm/drmP.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/drmP.h 2004-12-12 18:07:35 -08:00 @@ -34,6 +34,8 @@ #ifndef _DRM_P_H_ #define _DRM_P_H_ +/* If you want the memory alloc debug functionality, change define below */ +/* #define DEBUG_MEMORY */ #ifdef __KERNEL__ #ifdef __alpha__ @@ -55,6 +57,7 @@ #include #include /* For (un)lock_kernel */ #include +#include #if defined(__alpha__) || defined(__powerpc__) #include /* For pte_wrprotect */ #endif @@ -215,7 +218,8 @@ */ #define DRM_MEM_ERROR(area, fmt, arg...) \ printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __FUNCTION__, \ - DRM(mem_stats)[area].name , ##arg) + drm_mem_stats[area].name , ##arg) + #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) /** @@ -227,7 +231,7 @@ #if DRM_DEBUG_CODE #define DRM_DEBUG(fmt, arg...) \ do { \ - if ( DRM(flags) & DRM_FLAG_DEBUG ) \ + if ( drm_debug ) \ printk(KERN_DEBUG \ "[" DRM_NAME ":%s] " fmt , \ __FUNCTION__ , ##arg); \ @@ -290,6 +294,18 @@ } while (0) /** + * Copy and IOCTL return string to user space + */ +#define DRM_COPY( name, value ) \ + len = strlen( value ); \ + if ( len > name##_len ) len = name##_len; \ + name##_len = strlen( value ); \ + if ( len && name ) { \ + if ( copy_to_user( name, value, len ) ) \ + return -EFAULT; \ + } + +/** * Ioctl function type. * * \param inode device inode. @@ -475,7 +491,7 @@ /** * AGP data. * - * \sa DRM(agp_init)() and drm_device::agp. + * \sa drm_agp_init() and drm_device::agp. */ typedef struct drm_agp_head { DRM_AGP_KERN agp_info; /**< AGP device information */ @@ -533,19 +549,21 @@ } drm_vbl_sig_t; -/** - * DRM device functions structure +/** + * DRM driver structure. This structure represent the common code for + * a family of cards. There will one drm_device for each card present + * in this family */ struct drm_device; -struct drm_driver_fn { +struct drm_driver { int (*preinit)(struct drm_device *); - int (*postinit)(struct drm_device *); void (*prerelease)(struct drm_device *, struct file *filp); void (*pretakedown)(struct drm_device *); int (*postcleanup)(struct drm_device *); int (*presetup)(struct drm_device *); int (*postsetup)(struct drm_device *); + int (*dma_ioctl)( DRM_IOCTL_ARGS ); int (*open_helper)(struct drm_device *, drm_file_t *); void (*free_filp_priv)(struct drm_device *, drm_file_t *); void (*release)(struct drm_device *, struct file *filp); @@ -557,6 +575,7 @@ void (*kernel_context_switch_unlock)(struct drm_device *dev, drm_lock_t *lock); int (*vblank_wait)(struct drm_device *dev, unsigned int *sequence); /* these have to be filled in */ + int (*postinit)(struct drm_device *, unsigned long flags); irqreturn_t (*irq_handler)( DRM_IRQ_ARGS ); void (*irq_preinstall)(struct drm_device *dev); void (*irq_postinstall)(struct drm_device *dev); @@ -565,12 +584,18 @@ unsigned long (*get_map_ofs)(drm_map_t *map); unsigned long (*get_reg_ofs)(struct drm_device *dev); void (*set_version)(struct drm_device *dev, drm_set_version_t *sv); + int (*version)(drm_version_t *version); + u32 driver_features; + int dev_priv_size; + drm_ioctl_desc_t *ioctls; + int num_ioctls; + struct file_operations fops; + struct pci_driver pci_driver; }; /** * DRM device structure. */ typedef struct drm_device { - const char *name; /**< Simple driver name */ char *unique; /**< Unique identifier: e.g., busid */ int unique_len; /**< Length of unique field */ dev_t device; /**< Device number for mknod */ @@ -693,15 +718,22 @@ drm_sigdata_t sigdata; /**< For block_all_signals */ sigset_t sigmask; - struct drm_driver_fn fn_tbl; + struct drm_driver *driver; drm_local_map_t *agp_buffer_map; - int dev_priv_size; - u32 driver_features; } drm_device_t; +typedef struct drm_minor { + enum { + DRM_MINOR_FREE = 0, + DRM_MINOR_PRIMARY, + } type; + drm_device_t *dev; + struct proc_dir_entry *dev_root; /**< proc directory entry */ +} drm_minor_t; + static __inline__ int drm_core_check_feature(struct drm_device *dev, int feature) { - return ((dev->driver_features & feature) ? 1 : 0); + return ((dev->driver->driver_features & feature) ? 1 : 0); } #if __OS_HAS_AGP @@ -722,231 +754,237 @@ #define drm_core_has_MTRR(dev) (0) #endif -extern void DRM(driver_register_fns)(struct drm_device *dev); - /******************************************************************/ /** \name Internal function definitions */ /*@{*/ /* Misc. support (drm_init.h) */ -extern int DRM(flags); -extern void DRM(parse_options)( char *s ); -extern int DRM(cpu_valid)( void ); +extern int drm_flags; +extern void drm_parse_options( char *s ); +extern int drm_cpu_valid( void ); /* Driver support (drm_drv.h) */ -extern int DRM(version)(struct inode *inode, struct file *filp, +extern int drm_init(struct drm_driver *driver); +extern void drm_exit(struct drm_driver *driver); +extern int drm_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(open)(struct inode *inode, struct file *filp); -extern int DRM(release)(struct inode *inode, struct file *filp); -extern int DRM(ioctl)(struct inode *inode, struct file *filp, +extern int drm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(lock)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(unlock)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +extern int drm_takedown(drm_device_t * dev); /* Device support (drm_fops.h) */ -extern int DRM(open_helper)(struct inode *inode, struct file *filp, +extern int drm_open(struct inode *inode, struct file *filp); +extern int drm_stub_open(struct inode *inode, struct file *filp); +extern int drm_open_helper(struct inode *inode, struct file *filp, drm_device_t *dev); -extern int DRM(flush)(struct file *filp); -extern int DRM(fasync)(int fd, struct file *filp, int on); +extern int drm_flush(struct file *filp); +extern int drm_fasync(int fd, struct file *filp, int on); +extern int drm_release(struct inode *inode, struct file *filp); /* Mapping support (drm_vm.h) */ -extern void DRM(vm_open)(struct vm_area_struct *vma); -extern void DRM(vm_close)(struct vm_area_struct *vma); -extern void DRM(vm_shm_close)(struct vm_area_struct *vma); -extern int DRM(mmap_dma)(struct file *filp, +extern void drm_vm_open(struct vm_area_struct *vma); +extern void drm_vm_close(struct vm_area_struct *vma); +extern void drm_vm_shm_close(struct vm_area_struct *vma); +extern int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma); -extern int DRM(mmap)(struct file *filp, struct vm_area_struct *vma); -extern unsigned int DRM(poll)(struct file *filp, struct poll_table_struct *wait); -extern ssize_t DRM(read)(struct file *filp, char __user *buf, size_t count, loff_t *off); +extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); +extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); +extern ssize_t drm_read(struct file *filp, char __user *buf, size_t count, loff_t *off); /* Memory management support (drm_memory.h) */ -extern void DRM(mem_init)(void); -extern int DRM(mem_info)(char *buf, char **start, off_t offset, +#include "drm_memory.h" +extern void drm_mem_init(void); +extern int drm_mem_info(char *buf, char **start, off_t offset, int request, int *eof, void *data); -extern void *DRM(alloc)(size_t size, int area); -extern void *DRM(calloc)(size_t nmemb, size_t size, int area); -extern void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, +extern void *drm_calloc(size_t nmemb, size_t size, int area); +extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); -extern void DRM(free)(void *pt, size_t size, int area); -extern unsigned long DRM(alloc_pages)(int order, int area); -extern void DRM(free_pages)(unsigned long address, int order, +extern unsigned long drm_alloc_pages(int order, int area); +extern void drm_free_pages(unsigned long address, int order, int area); -extern void *DRM(ioremap)(unsigned long offset, unsigned long size, drm_device_t *dev); -extern void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size, +extern void *drm_ioremap(unsigned long offset, unsigned long size, drm_device_t *dev); +extern void *drm_ioremap_nocache(unsigned long offset, unsigned long size, drm_device_t *dev); -extern void DRM(ioremapfree)(void *pt, unsigned long size, drm_device_t *dev); +extern void drm_ioremapfree(void *pt, unsigned long size, drm_device_t *dev); -extern DRM_AGP_MEM *DRM(alloc_agp)(int pages, u32 type); -extern int DRM(free_agp)(DRM_AGP_MEM *handle, int pages); -extern int DRM(bind_agp)(DRM_AGP_MEM *handle, unsigned int start); -extern int DRM(unbind_agp)(DRM_AGP_MEM *handle); +extern DRM_AGP_MEM *drm_alloc_agp(int pages, u32 type); +extern int drm_free_agp(DRM_AGP_MEM *handle, int pages); +extern int drm_bind_agp(DRM_AGP_MEM *handle, unsigned int start); +extern int drm_unbind_agp(DRM_AGP_MEM *handle); /* Misc. IOCTL support (drm_ioctl.h) */ -extern int DRM(irq_by_busid)(struct inode *inode, struct file *filp, +extern int drm_irq_by_busid(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(getunique)(struct inode *inode, struct file *filp, +extern int drm_getunique(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(setunique)(struct inode *inode, struct file *filp, +extern int drm_setunique(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(getmap)(struct inode *inode, struct file *filp, +extern int drm_getmap(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(getclient)(struct inode *inode, struct file *filp, +extern int drm_getclient(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(getstats)(struct inode *inode, struct file *filp, +extern int drm_getstats(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(setversion)(struct inode *inode, struct file *filp, +extern int drm_setversion(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); /* Context IOCTL support (drm_context.h) */ -extern int DRM(resctx)( struct inode *inode, struct file *filp, +extern int drm_resctx( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(addctx)( struct inode *inode, struct file *filp, +extern int drm_addctx( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(modctx)( struct inode *inode, struct file *filp, +extern int drm_modctx( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(getctx)( struct inode *inode, struct file *filp, +extern int drm_getctx( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(switchctx)( struct inode *inode, struct file *filp, +extern int drm_switchctx( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(newctx)( struct inode *inode, struct file *filp, +extern int drm_newctx( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(rmctx)( struct inode *inode, struct file *filp, +extern int drm_rmctx( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(context_switch)(drm_device_t *dev, int old, int new); -extern int DRM(context_switch_complete)(drm_device_t *dev, int new); +extern int drm_context_switch(drm_device_t *dev, int old, int new); +extern int drm_context_switch_complete(drm_device_t *dev, int new); -extern int DRM(ctxbitmap_init)( drm_device_t *dev ); -extern void DRM(ctxbitmap_cleanup)( drm_device_t *dev ); +extern int drm_ctxbitmap_init( drm_device_t *dev ); +extern void drm_ctxbitmap_cleanup( drm_device_t *dev ); +extern void drm_ctxbitmap_free( drm_device_t *dev, int ctx_handle ); -extern int DRM(setsareactx)( struct inode *inode, struct file *filp, +extern int drm_setsareactx( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(getsareactx)( struct inode *inode, struct file *filp, +extern int drm_getsareactx( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); /* Drawable IOCTL support (drm_drawable.h) */ -extern int DRM(adddraw)(struct inode *inode, struct file *filp, +extern int drm_adddraw(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(rmdraw)(struct inode *inode, struct file *filp, +extern int drm_rmdraw(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); /* Authentication IOCTL support (drm_auth.h) */ -extern int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, +extern int drm_add_magic(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic); -extern int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic); -extern int DRM(getmagic)(struct inode *inode, struct file *filp, +extern int drm_remove_magic(drm_device_t *dev, drm_magic_t magic); +extern int drm_getmagic(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(authmagic)(struct inode *inode, struct file *filp, +extern int drm_authmagic(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); /* Placeholder for ioctls past */ -extern int DRM(noop)(struct inode *inode, struct file *filp, +extern int drm_noop(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); /* Locking IOCTL support (drm_lock.h) */ -extern int DRM(lock_take)(__volatile__ unsigned int *lock, +extern int drm_lock(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_unlock(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context); -extern int DRM(lock_transfer)(drm_device_t *dev, +extern int drm_lock_transfer(drm_device_t *dev, __volatile__ unsigned int *lock, unsigned int context); -extern int DRM(lock_free)(drm_device_t *dev, +extern int drm_lock_free(drm_device_t *dev, __volatile__ unsigned int *lock, unsigned int context); -extern int DRM(notifier)(void *priv); +extern int drm_notifier(void *priv); /* Buffer management support (drm_bufs.h) */ -extern int DRM(order)( unsigned long size ); -extern int DRM(addmap)( struct inode *inode, struct file *filp, +extern int drm_order( unsigned long size ); +extern int drm_addmap( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(rmmap)( struct inode *inode, struct file *filp, +extern int drm_rmmap( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(addbufs)( struct inode *inode, struct file *filp, +extern int drm_addbufs( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(infobufs)( struct inode *inode, struct file *filp, +extern int drm_infobufs( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(markbufs)( struct inode *inode, struct file *filp, +extern int drm_markbufs( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(freebufs)( struct inode *inode, struct file *filp, +extern int drm_freebufs( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(mapbufs)( struct inode *inode, struct file *filp, +extern int drm_mapbufs( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); /* DMA support (drm_dma.h) */ -extern int DRM(dma_setup)(drm_device_t *dev); -extern void DRM(dma_takedown)(drm_device_t *dev); -extern void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf); -extern void DRM(reclaim_buffers)( struct file *filp ); +extern int drm_dma_setup(drm_device_t *dev); +extern void drm_dma_takedown(drm_device_t *dev); +extern void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf); +extern void drm_core_reclaim_buffers( struct file *filp ); /* IRQ support (drm_irq.h) */ -extern int DRM(control)( struct inode *inode, struct file *filp, +extern int drm_control( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int DRM(irq_install)( drm_device_t *dev ); -extern int DRM(irq_uninstall)( drm_device_t *dev ); -extern irqreturn_t DRM(irq_handler)( DRM_IRQ_ARGS ); -extern void DRM(driver_irq_preinstall)( drm_device_t *dev ); -extern void DRM(driver_irq_postinstall)( drm_device_t *dev ); -extern void DRM(driver_irq_uninstall)( drm_device_t *dev ); +extern int drm_irq_install( drm_device_t *dev ); +extern int drm_irq_uninstall( drm_device_t *dev ); +extern irqreturn_t drm_irq_handler( DRM_IRQ_ARGS ); +extern void drm_driver_irq_preinstall( drm_device_t *dev ); +extern void drm_driver_irq_postinstall( drm_device_t *dev ); +extern void drm_driver_irq_uninstall( drm_device_t *dev ); -extern int DRM(wait_vblank)(struct inode *inode, struct file *filp, +extern int drm_wait_vblank(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(vblank_wait)(drm_device_t *dev, unsigned int *vbl_seq); -extern void DRM(vbl_send_signals)( drm_device_t *dev ); +extern int drm_vblank_wait(drm_device_t *dev, unsigned int *vbl_seq); +extern void drm_vbl_send_signals( drm_device_t *dev ); /* AGP/GART support (drm_agpsupport.h) */ -extern drm_agp_head_t *DRM(agp_init)(void); -extern void DRM(agp_uninit)(void); -extern int DRM(agp_acquire)(struct inode *inode, struct file *filp, +extern drm_agp_head_t *drm_agp_init(void); +extern int drm_agp_acquire(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern void DRM(agp_do_release)(void); -extern int DRM(agp_release)(struct inode *inode, struct file *filp, +extern void drm_agp_do_release(void); +extern int drm_agp_release(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(agp_enable)(struct inode *inode, struct file *filp, +extern int drm_agp_enable(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(agp_info)(struct inode *inode, struct file *filp, +extern int drm_agp_info(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(agp_alloc)(struct inode *inode, struct file *filp, +extern int drm_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(agp_free)(struct inode *inode, struct file *filp, +extern int drm_agp_free(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(agp_unbind)(struct inode *inode, struct file *filp, +extern int drm_agp_unbind(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(agp_bind)(struct inode *inode, struct file *filp, +extern int drm_agp_bind(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern DRM_AGP_MEM *DRM(agp_allocate_memory)(size_t pages, u32 type); -extern int DRM(agp_free_memory)(DRM_AGP_MEM *handle); -extern int DRM(agp_bind_memory)(DRM_AGP_MEM *handle, off_t start); -extern int DRM(agp_unbind_memory)(DRM_AGP_MEM *handle); +extern DRM_AGP_MEM *drm_agp_allocate_memory(size_t pages, u32 type); +extern int drm_agp_free_memory(DRM_AGP_MEM *handle); +extern int drm_agp_bind_memory(DRM_AGP_MEM *handle, off_t start); +extern int drm_agp_unbind_memory(DRM_AGP_MEM *handle); /* Stub support (drm_stub.h) */ -int DRM(stub_register)(const char *name, - struct file_operations *fops, - drm_device_t *dev); -int DRM(stub_unregister)(int minor); +extern int drm_probe(struct pci_dev *pdev, const struct pci_device_id *ent, struct drm_driver *driver); + +extern int drm_put_minor(drm_device_t *dev); +extern unsigned int drm_debug; +extern unsigned int drm_cards_limit; +extern drm_minor_t *drm_minors; +extern struct class_simple *drm_class; +extern struct proc_dir_entry *drm_proc_root; +extern struct file_operations drm_stub_fops; /* Proc support (drm_proc.h) */ -extern struct proc_dir_entry *DRM(proc_init)(drm_device_t *dev, +extern int drm_proc_init(drm_device_t *dev, int minor, struct proc_dir_entry *root, struct proc_dir_entry **dev_root); -extern int DRM(proc_cleanup)(int minor, +extern int drm_proc_cleanup(int minor, struct proc_dir_entry *root, struct proc_dir_entry *dev_root); /* Scatter Gather Support (drm_scatter.h) */ -extern void DRM(sg_cleanup)(drm_sg_mem_t *entry); -extern int DRM(sg_alloc)(struct inode *inode, struct file *filp, +extern void drm_sg_cleanup(drm_sg_mem_t *entry); +extern int drm_sg_alloc(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(sg_free)(struct inode *inode, struct file *filp, +extern int drm_sg_free(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); /* ATI PCIGART support (ati_pcigart.h) */ -extern int DRM(ati_pcigart_init)(drm_device_t *dev, +extern int drm_ati_pcigart_init(drm_device_t *dev, unsigned long *addr, dma_addr_t *bus_addr); -extern int DRM(ati_pcigart_cleanup)(drm_device_t *dev, +extern int drm_ati_pcigart_cleanup(drm_device_t *dev, unsigned long addr, dma_addr_t bus_addr); @@ -954,18 +992,18 @@ /* Inline replacements for DRM_IOREMAP macros */ static __inline__ void drm_core_ioremap(struct drm_map *map, struct drm_device *dev) { - map->handle = DRM(ioremap)( map->offset, map->size, dev ); + map->handle = drm_ioremap( map->offset, map->size, dev ); } static __inline__ void drm_core_ioremap_nocache(struct drm_map *map, struct drm_device *dev) { - map->handle = DRM(ioremap_nocache)(map->offset, map->size, dev); + map->handle = drm_ioremap_nocache(map->offset, map->size, dev); } static __inline__ void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev) { if ( map->handle && map->size ) - DRM(ioremapfree)( map->handle, map->size, dev ); + drm_ioremapfree( map->handle, map->size, dev ); } static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsigned long offset) @@ -984,10 +1022,28 @@ static __inline__ void drm_core_dropmap(struct drm_map *map) { } + +#ifndef DEBUG_MEMORY +/** Wrapper around kmalloc() */ +static __inline__ void *drm_alloc(size_t size, int area) +{ + return kmalloc(size, GFP_KERNEL); +} + +/** Wrapper around kfree() */ +static __inline__ void drm_free(void *pt, size_t size, int area) +{ + kfree(pt); +} +#else +extern void *drm_alloc(size_t size, int area); +extern void drm_free(void *pt, size_t size, int area); +#endif + /*@}*/ -extern unsigned long DRM(core_get_map_ofs)(drm_map_t *map); -extern unsigned long DRM(core_get_reg_ofs)(struct drm_device *dev); +extern unsigned long drm_core_get_map_ofs(drm_map_t *map); +extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev); #endif /* __KERNEL__ */ #endif diff -Nru a/drivers/char/drm/drm_agpsupport.c b/drivers/char/drm/drm_agpsupport.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_agpsupport.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,439 @@ +/** + * \file drm_agpsupport.h + * DRM support for AGP/GART backend + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" +#include + +#if __OS_HAS_AGP + +/** + * AGP information ioctl. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a (output) drm_agp_info structure. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device has been initialized and acquired and fills in the + * drm_agp_info structure with the information in drm_agp_head::agp_info. + */ +int drm_agp_info(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + DRM_AGP_KERN *kern; + drm_agp_info_t info; + + if (!dev->agp || !dev->agp->acquired) + return -EINVAL; + + kern = &dev->agp->agp_info; + info.agp_version_major = kern->version.major; + info.agp_version_minor = kern->version.minor; + info.mode = kern->mode; + info.aperture_base = kern->aper_base; + info.aperture_size = kern->aper_size * 1024 * 1024; + info.memory_allowed = kern->max_memory << PAGE_SHIFT; + info.memory_used = kern->current_memory << PAGE_SHIFT; + info.id_vendor = kern->device->vendor; + info.id_device = kern->device->device; + + if (copy_to_user((drm_agp_info_t __user *)arg, &info, sizeof(info))) + return -EFAULT; + return 0; +} + +/** + * Acquire the AGP device (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device hasn't been acquired before and calls + * agp_acquire(). + */ +int drm_agp_acquire(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int retcode; + + if (!dev->agp) + return -ENODEV; + if (dev->agp->acquired) + return -EBUSY; + if ((retcode = agp_backend_acquire())) + return retcode; + dev->agp->acquired = 1; + return 0; +} + +/** + * Release the AGP device (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device has been acquired and calls agp_backend_release(). + */ +int drm_agp_release(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + + if (!dev->agp || !dev->agp->acquired) + return -EINVAL; + agp_backend_release(); + dev->agp->acquired = 0; + return 0; + +} + +/** + * Release the AGP device. + * + * Calls agp_backend_release(). + */ +void drm_agp_do_release(void) +{ + agp_backend_release(); +} + +/** + * Enable the AGP bus. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_agp_mode structure. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device has been acquired but not enabled, and calls + * agp_enable(). + */ +int drm_agp_enable(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_mode_t mode; + + if (!dev->agp || !dev->agp->acquired) + return -EINVAL; + + if (copy_from_user(&mode, (drm_agp_mode_t __user *)arg, sizeof(mode))) + return -EFAULT; + + dev->agp->mode = mode.mode; + agp_enable(mode.mode); + dev->agp->base = dev->agp->agp_info.aper_base; + dev->agp->enabled = 1; + return 0; +} + +/** + * Allocate AGP memory. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_agp_buffer structure. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device is present and has been acquired, allocates the + * memory via alloc_agp() and creates a drm_agp_mem entry for it. + */ +int drm_agp_alloc(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_buffer_t request; + drm_agp_mem_t *entry; + DRM_AGP_MEM *memory; + unsigned long pages; + u32 type; + drm_agp_buffer_t __user *argp = (void __user *)arg; + + if (!dev->agp || !dev->agp->acquired) + return -EINVAL; + if (copy_from_user(&request, argp, sizeof(request))) + return -EFAULT; + if (!(entry = drm_alloc(sizeof(*entry), DRM_MEM_AGPLISTS))) + return -ENOMEM; + + memset(entry, 0, sizeof(*entry)); + + pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE; + type = (u32) request.type; + + if (!(memory = drm_alloc_agp(pages, type))) { + drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + return -ENOMEM; + } + + entry->handle = (unsigned long)memory->key + 1; + entry->memory = memory; + entry->bound = 0; + entry->pages = pages; + entry->prev = NULL; + entry->next = dev->agp->memory; + if (dev->agp->memory) + dev->agp->memory->prev = entry; + dev->agp->memory = entry; + + request.handle = entry->handle; + request.physical = memory->physical; + + if (copy_to_user(argp, &request, sizeof(request))) { + dev->agp->memory = entry->next; + dev->agp->memory->prev = NULL; + drm_free_agp(memory, pages); + drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + return -EFAULT; + } + return 0; +} + +/** + * Search for the AGP memory entry associated with a handle. + * + * \param dev DRM device structure. + * \param handle AGP memory handle. + * \return pointer to the drm_agp_mem structure associated with \p handle. + * + * Walks through drm_agp_head::memory until finding a matching handle. + */ +static drm_agp_mem_t *drm_agp_lookup_entry(drm_device_t *dev, + unsigned long handle) +{ + drm_agp_mem_t *entry; + + for (entry = dev->agp->memory; entry; entry = entry->next) { + if (entry->handle == handle) + return entry; + } + return NULL; +} + +/** + * Unbind AGP memory from the GATT (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_agp_binding structure. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device is present and acquired, looks-up the AGP memory + * entry and passes it to the unbind_agp() function. + */ +int drm_agp_unbind(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_binding_t request; + drm_agp_mem_t *entry; + int ret; + + if (!dev->agp || !dev->agp->acquired) + return -EINVAL; + if (copy_from_user(&request, (drm_agp_binding_t __user *)arg, sizeof(request))) + return -EFAULT; + if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + return -EINVAL; + if (!entry->bound) + return -EINVAL; + ret = drm_unbind_agp(entry->memory); + if (ret == 0) + entry->bound = 0; + return ret; +} + +/** + * Bind AGP memory into the GATT (ioctl) + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_agp_binding structure. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device is present and has been acquired and that no memory + * is currently bound into the GATT. Looks-up the AGP memory entry and passes + * it to bind_agp() function. + */ +int drm_agp_bind(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_binding_t request; + drm_agp_mem_t *entry; + int retcode; + int page; + + if (!dev->agp || !dev->agp->acquired) + return -EINVAL; + if (copy_from_user(&request, (drm_agp_binding_t __user *)arg, sizeof(request))) + return -EFAULT; + if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + return -EINVAL; + if (entry->bound) + return -EINVAL; + page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE; + if ((retcode = drm_bind_agp(entry->memory, page))) + return retcode; + entry->bound = dev->agp->base + (page << PAGE_SHIFT); + DRM_DEBUG("base = 0x%lx entry->bound = 0x%lx\n", + dev->agp->base, entry->bound); + return 0; +} + +/** + * Free AGP memory (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_agp_buffer structure. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device is present and has been acquired and looks up the + * AGP memory entry. If the memory it's currently bound, unbind it via + * unbind_agp(). Frees it via free_agp() as well as the entry itself + * and unlinks from the doubly linked list it's inserted in. + */ +int drm_agp_free(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_buffer_t request; + drm_agp_mem_t *entry; + + if (!dev->agp || !dev->agp->acquired) + return -EINVAL; + if (copy_from_user(&request, (drm_agp_buffer_t __user *)arg, sizeof(request))) + return -EFAULT; + if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + return -EINVAL; + if (entry->bound) + drm_unbind_agp(entry->memory); + + if (entry->prev) + entry->prev->next = entry->next; + else + dev->agp->memory = entry->next; + + if (entry->next) + entry->next->prev = entry->prev; + + drm_free_agp(entry->memory, entry->pages); + drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + return 0; +} + +/** + * Initialize the AGP resources. + * + * \return pointer to a drm_agp_head structure. + * + */ +drm_agp_head_t *drm_agp_init(void) +{ + drm_agp_head_t *head = NULL; + + if (!(head = drm_alloc(sizeof(*head), DRM_MEM_AGPLISTS))) + return NULL; + memset((void *)head, 0, sizeof(*head)); + agp_copy_info(&head->agp_info); + if (head->agp_info.chipset == NOT_SUPPORTED) { + drm_free(head, sizeof(*head), DRM_MEM_AGPLISTS); + return NULL; + } + head->memory = NULL; +#if LINUX_VERSION_CODE <= 0x020408 + head->cant_use_aperture = 0; + head->page_mask = ~(0xfff); +#else + head->cant_use_aperture = head->agp_info.cant_use_aperture; + head->page_mask = head->agp_info.page_mask; +#endif + + return head; +} + +/** Calls agp_allocate_memory() */ +DRM_AGP_MEM *drm_agp_allocate_memory(size_t pages, u32 type) +{ + return agp_allocate_memory(pages, type); +} + +/** Calls agp_free_memory() */ +int drm_agp_free_memory(DRM_AGP_MEM *handle) +{ + if (!handle) + return 0; + agp_free_memory(handle); + return 1; +} + +/** Calls agp_bind_memory() */ +int drm_agp_bind_memory(DRM_AGP_MEM *handle, off_t start) +{ + if (!handle) + return -EINVAL; + return agp_bind_memory(handle, start); +} + +/** Calls agp_unbind_memory() */ +int drm_agp_unbind_memory(DRM_AGP_MEM *handle) +{ + if (!handle) + return -EINVAL; + return agp_unbind_memory(handle); +} + +#endif /* __OS_HAS_AGP */ diff -Nru a/drivers/char/drm/drm_agpsupport.h b/drivers/char/drm/drm_agpsupport.h --- a/drivers/char/drm/drm_agpsupport.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,468 +0,0 @@ -/** - * \file drm_agpsupport.h - * DRM support for AGP/GART backend - * - * \author Rickard E. (Rik) Faith - * \author Gareth Hughes - */ - -/* - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "drmP.h" -#include - -#if __OS_HAS_AGP - -#define DRM_AGP_GET (drm_agp_t *)inter_module_get("drm_agp") -#define DRM_AGP_PUT inter_module_put("drm_agp") - -/** - * Pointer to the drm_agp_t structure made available by the agpgart module. - */ -static const drm_agp_t *drm_agp = NULL; - -/** - * AGP information ioctl. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a (output) drm_agp_info structure. - * \return zero on success or a negative number on failure. - * - * Verifies the AGP device has been initialized and acquired and fills in the - * drm_agp_info structure with the information in drm_agp_head::agp_info. - */ -int DRM(agp_info)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - DRM_AGP_KERN *kern; - drm_agp_info_t info; - - if (!dev->agp || !dev->agp->acquired || !drm_agp->copy_info) - return -EINVAL; - - kern = &dev->agp->agp_info; - info.agp_version_major = kern->version.major; - info.agp_version_minor = kern->version.minor; - info.mode = kern->mode; - info.aperture_base = kern->aper_base; - info.aperture_size = kern->aper_size * 1024 * 1024; - info.memory_allowed = kern->max_memory << PAGE_SHIFT; - info.memory_used = kern->current_memory << PAGE_SHIFT; - info.id_vendor = kern->device->vendor; - info.id_device = kern->device->device; - - if (copy_to_user((drm_agp_info_t __user *)arg, &info, sizeof(info))) - return -EFAULT; - return 0; -} - -/** - * Acquire the AGP device (ioctl). - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument. - * \return zero on success or a negative number on failure. - * - * Verifies the AGP device hasn't been acquired before and calls - * drm_agp->acquire(). - */ -int DRM(agp_acquire)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode; - - if (!dev->agp) - return -ENODEV; - if (dev->agp->acquired) - return -EBUSY; - if (!drm_agp->acquire) - return -EINVAL; - if ((retcode = drm_agp->acquire())) - return retcode; - dev->agp->acquired = 1; - return 0; -} - -/** - * Release the AGP device (ioctl). - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument. - * \return zero on success or a negative number on failure. - * - * Verifies the AGP device has been acquired and calls drm_agp->release(). - */ -int DRM(agp_release)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - - if (!dev->agp || !dev->agp->acquired || !drm_agp->release) - return -EINVAL; - drm_agp->release(); - dev->agp->acquired = 0; - return 0; - -} - -/** - * Release the AGP device. - * - * Calls drm_agp->release(). - */ -void DRM(agp_do_release)(void) -{ - if (drm_agp->release) - drm_agp->release(); -} - -/** - * Enable the AGP bus. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a drm_agp_mode structure. - * \return zero on success or a negative number on failure. - * - * Verifies the AGP device has been acquired but not enabled, and calls - * drm_agp->enable(). - */ -int DRM(agp_enable)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_agp_mode_t mode; - - if (!dev->agp || !dev->agp->acquired || !drm_agp->enable) - return -EINVAL; - - if (copy_from_user(&mode, (drm_agp_mode_t __user *)arg, sizeof(mode))) - return -EFAULT; - - dev->agp->mode = mode.mode; - drm_agp->enable(mode.mode); - dev->agp->base = dev->agp->agp_info.aper_base; - dev->agp->enabled = 1; - return 0; -} - -/** - * Allocate AGP memory. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a drm_agp_buffer structure. - * \return zero on success or a negative number on failure. - * - * Verifies the AGP device is present and has been acquired, allocates the - * memory via alloc_agp() and creates a drm_agp_mem entry for it. - */ -int DRM(agp_alloc)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_agp_buffer_t request; - drm_agp_mem_t *entry; - DRM_AGP_MEM *memory; - unsigned long pages; - u32 type; - drm_agp_buffer_t __user *argp = (void __user *)arg; - - if (!dev->agp || !dev->agp->acquired) - return -EINVAL; - if (copy_from_user(&request, argp, sizeof(request))) - return -EFAULT; - if (!(entry = DRM(alloc)(sizeof(*entry), DRM_MEM_AGPLISTS))) - return -ENOMEM; - - memset(entry, 0, sizeof(*entry)); - - pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE; - type = (u32) request.type; - - if (!(memory = DRM(alloc_agp)(pages, type))) { - DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - return -ENOMEM; - } - - entry->handle = (unsigned long)memory->key + 1; - entry->memory = memory; - entry->bound = 0; - entry->pages = pages; - entry->prev = NULL; - entry->next = dev->agp->memory; - if (dev->agp->memory) - dev->agp->memory->prev = entry; - dev->agp->memory = entry; - - request.handle = entry->handle; - request.physical = memory->physical; - - if (copy_to_user(argp, &request, sizeof(request))) { - dev->agp->memory = entry->next; - dev->agp->memory->prev = NULL; - DRM(free_agp)(memory, pages); - DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - return -EFAULT; - } - return 0; -} - -/** - * Search for the AGP memory entry associated with a handle. - * - * \param dev DRM device structure. - * \param handle AGP memory handle. - * \return pointer to the drm_agp_mem structure associated with \p handle. - * - * Walks through drm_agp_head::memory until finding a matching handle. - */ -static drm_agp_mem_t *DRM(agp_lookup_entry)(drm_device_t *dev, - unsigned long handle) -{ - drm_agp_mem_t *entry; - - for (entry = dev->agp->memory; entry; entry = entry->next) { - if (entry->handle == handle) - return entry; - } - return NULL; -} - -/** - * Unbind AGP memory from the GATT (ioctl). - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a drm_agp_binding structure. - * \return zero on success or a negative number on failure. - * - * Verifies the AGP device is present and acquired, looks-up the AGP memory - * entry and passes it to the unbind_agp() function. - */ -int DRM(agp_unbind)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_agp_binding_t request; - drm_agp_mem_t *entry; - int ret; - - if (!dev->agp || !dev->agp->acquired) - return -EINVAL; - if (copy_from_user(&request, (drm_agp_binding_t __user *)arg, sizeof(request))) - return -EFAULT; - if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) - return -EINVAL; - if (!entry->bound) - return -EINVAL; - ret = DRM(unbind_agp)(entry->memory); - if (ret == 0) - entry->bound = 0; - return ret; -} - -/** - * Bind AGP memory into the GATT (ioctl) - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a drm_agp_binding structure. - * \return zero on success or a negative number on failure. - * - * Verifies the AGP device is present and has been acquired and that no memory - * is currently bound into the GATT. Looks-up the AGP memory entry and passes - * it to bind_agp() function. - */ -int DRM(agp_bind)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_agp_binding_t request; - drm_agp_mem_t *entry; - int retcode; - int page; - - if (!dev->agp || !dev->agp->acquired || !drm_agp->bind_memory) - return -EINVAL; - if (copy_from_user(&request, (drm_agp_binding_t __user *)arg, sizeof(request))) - return -EFAULT; - if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) - return -EINVAL; - if (entry->bound) - return -EINVAL; - page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE; - if ((retcode = DRM(bind_agp)(entry->memory, page))) - return retcode; - entry->bound = dev->agp->base + (page << PAGE_SHIFT); - DRM_DEBUG("base = 0x%lx entry->bound = 0x%lx\n", - dev->agp->base, entry->bound); - return 0; -} - -/** - * Free AGP memory (ioctl). - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a drm_agp_buffer structure. - * \return zero on success or a negative number on failure. - * - * Verifies the AGP device is present and has been acquired and looks up the - * AGP memory entry. If the memory it's currently bound, unbind it via - * unbind_agp(). Frees it via free_agp() as well as the entry itself - * and unlinks from the doubly linked list it's inserted in. - */ -int DRM(agp_free)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_agp_buffer_t request; - drm_agp_mem_t *entry; - - if (!dev->agp || !dev->agp->acquired) - return -EINVAL; - if (copy_from_user(&request, (drm_agp_buffer_t __user *)arg, sizeof(request))) - return -EFAULT; - if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) - return -EINVAL; - if (entry->bound) - DRM(unbind_agp)(entry->memory); - - if (entry->prev) - entry->prev->next = entry->next; - else - dev->agp->memory = entry->next; - - if (entry->next) - entry->next->prev = entry->prev; - - DRM(free_agp)(entry->memory, entry->pages); - DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - return 0; -} - -/** - * Initialize the AGP resources. - * - * \return pointer to a drm_agp_head structure. - * - * Gets the drm_agp_t structure which is made available by the agpgart module - * via the inter_module_* functions. Creates and initializes a drm_agp_head - * structure. - */ -drm_agp_head_t *DRM(agp_init)(void) -{ - drm_agp_head_t *head = NULL; - - drm_agp = DRM_AGP_GET; - if (drm_agp) { - if (!(head = DRM(alloc)(sizeof(*head), DRM_MEM_AGPLISTS))) - return NULL; - memset((void *)head, 0, sizeof(*head)); - drm_agp->copy_info(&head->agp_info); - if (head->agp_info.chipset == NOT_SUPPORTED) { - DRM(free)(head, sizeof(*head), DRM_MEM_AGPLISTS); - return NULL; - } - head->memory = NULL; -#if LINUX_VERSION_CODE <= 0x020408 - head->cant_use_aperture = 0; - head->page_mask = ~(0xfff); -#else - head->cant_use_aperture = head->agp_info.cant_use_aperture; - head->page_mask = head->agp_info.page_mask; -#endif - } - return head; -} - -/** - * Free the AGP resources. - * - * Releases the pointer in ::drm_agp. - */ -void DRM(agp_uninit)(void) -{ - DRM_AGP_PUT; - drm_agp = NULL; -} - -/** Calls drm_agp->allocate_memory() */ -DRM_AGP_MEM *DRM(agp_allocate_memory)(size_t pages, u32 type) -{ - if (!drm_agp->allocate_memory) - return NULL; - return drm_agp->allocate_memory(pages, type); -} - -/** Calls drm_agp->free_memory() */ -int DRM(agp_free_memory)(DRM_AGP_MEM *handle) -{ - if (!handle || !drm_agp->free_memory) - return 0; - drm_agp->free_memory(handle); - return 1; -} - -/** Calls drm_agp->bind_memory() */ -int DRM(agp_bind_memory)(DRM_AGP_MEM *handle, off_t start) -{ - if (!handle || !drm_agp->bind_memory) - return -EINVAL; - return drm_agp->bind_memory(handle, start); -} - -/** Calls drm_agp->unbind_memory() */ -int DRM(agp_unbind_memory)(DRM_AGP_MEM *handle) -{ - if (!handle || !drm_agp->unbind_memory) - return -EINVAL; - return drm_agp->unbind_memory(handle); -} - -#endif /* __OS_HAS_AGP */ diff -Nru a/drivers/char/drm/drm_auth.c b/drivers/char/drm/drm_auth.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_auth.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,230 @@ +/** + * \file drm_auth.h + * IOCTLs for authentication + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +/** + * Generate a hash key from a magic. + * + * \param magic magic. + * \return hash key. + * + * The key is the modulus of the hash table size, #DRM_HASH_SIZE, which must be + * a power of 2. + */ +static int drm_hash_magic(drm_magic_t magic) +{ + return magic & (DRM_HASH_SIZE-1); +} + +/** + * Find the file with the given magic number. + * + * \param dev DRM device. + * \param magic magic number. + * + * Searches in drm_device::magiclist within all files with the same hash key + * the one with matching magic number, while holding the drm_device::struct_sem + * lock. + */ +static drm_file_t *drm_find_file(drm_device_t *dev, drm_magic_t magic) +{ + drm_file_t *retval = NULL; + drm_magic_entry_t *pt; + int hash = drm_hash_magic(magic); + + down(&dev->struct_sem); + for (pt = dev->magiclist[hash].head; pt; pt = pt->next) { + if (pt->magic == magic) { + retval = pt->priv; + break; + } + } + up(&dev->struct_sem); + return retval; +} + +/** + * Adds a magic number. + * + * \param dev DRM device. + * \param priv file private data. + * \param magic magic number. + * + * Creates a drm_magic_entry structure and appends to the linked list + * associated the magic number hash key in drm_device::magiclist, while holding + * the drm_device::struct_sem lock. + */ +int drm_add_magic(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic) +{ + int hash; + drm_magic_entry_t *entry; + + DRM_DEBUG("%d\n", magic); + + hash = drm_hash_magic(magic); + entry = drm_alloc(sizeof(*entry), DRM_MEM_MAGIC); + if (!entry) return -ENOMEM; + memset(entry, 0, sizeof(*entry)); + entry->magic = magic; + entry->priv = priv; + entry->next = NULL; + + down(&dev->struct_sem); + if (dev->magiclist[hash].tail) { + dev->magiclist[hash].tail->next = entry; + dev->magiclist[hash].tail = entry; + } else { + dev->magiclist[hash].head = entry; + dev->magiclist[hash].tail = entry; + } + up(&dev->struct_sem); + + return 0; +} + +/** + * Remove a magic number. + * + * \param dev DRM device. + * \param magic magic number. + * + * Searches and unlinks the entry in drm_device::magiclist with the magic + * number hash key, while holding the drm_device::struct_sem lock. + */ +int drm_remove_magic(drm_device_t *dev, drm_magic_t magic) +{ + drm_magic_entry_t *prev = NULL; + drm_magic_entry_t *pt; + int hash; + + + DRM_DEBUG("%d\n", magic); + hash = drm_hash_magic(magic); + + down(&dev->struct_sem); + for (pt = dev->magiclist[hash].head; pt; prev = pt, pt = pt->next) { + if (pt->magic == magic) { + if (dev->magiclist[hash].head == pt) { + dev->magiclist[hash].head = pt->next; + } + if (dev->magiclist[hash].tail == pt) { + dev->magiclist[hash].tail = prev; + } + if (prev) { + prev->next = pt->next; + } + up(&dev->struct_sem); + return 0; + } + } + up(&dev->struct_sem); + + drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); + + return -EINVAL; +} + +/** + * Get a unique magic number (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a resulting drm_auth structure. + * \return zero on success, or a negative number on failure. + * + * If there is a magic number in drm_file::magic then use it, otherwise + * searches an unique non-zero magic number and add it associating it with \p + * filp. + */ +int drm_getmagic(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + static drm_magic_t sequence = 0; + static spinlock_t lock = SPIN_LOCK_UNLOCKED; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_auth_t auth; + + /* Find unique magic */ + if (priv->magic) { + auth.magic = priv->magic; + } else { + do { + spin_lock(&lock); + if (!sequence) ++sequence; /* reserve 0 */ + auth.magic = sequence++; + spin_unlock(&lock); + } while (drm_find_file(dev, auth.magic)); + priv->magic = auth.magic; + drm_add_magic(dev, priv, auth.magic); + } + + DRM_DEBUG("%u\n", auth.magic); + if (copy_to_user((drm_auth_t __user *)arg, &auth, sizeof(auth))) + return -EFAULT; + return 0; +} + +/** + * Authenticate with a magic. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_auth structure. + * \return zero if authentication successed, or a negative number otherwise. + * + * Checks if \p filp is associated with the magic number passed in \arg. + */ +int drm_authmagic(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_auth_t auth; + drm_file_t *file; + + if (copy_from_user(&auth, (drm_auth_t __user *)arg, sizeof(auth))) + return -EFAULT; + DRM_DEBUG("%u\n", auth.magic); + if ((file = drm_find_file(dev, auth.magic))) { + file->authenticated = 1; + drm_remove_magic(dev, auth.magic); + return 0; + } + return -EINVAL; +} diff -Nru a/drivers/char/drm/drm_auth.h b/drivers/char/drm/drm_auth.h --- a/drivers/char/drm/drm_auth.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,230 +0,0 @@ -/** - * \file drm_auth.h - * IOCTLs for authentication - * - * \author Rickard E. (Rik) Faith - * \author Gareth Hughes - */ - -/* - * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "drmP.h" - -/** - * Generate a hash key from a magic. - * - * \param magic magic. - * \return hash key. - * - * The key is the modulus of the hash table size, #DRM_HASH_SIZE, which must be - * a power of 2. - */ -static int DRM(hash_magic)(drm_magic_t magic) -{ - return magic & (DRM_HASH_SIZE-1); -} - -/** - * Find the file with the given magic number. - * - * \param dev DRM device. - * \param magic magic number. - * - * Searches in drm_device::magiclist within all files with the same hash key - * the one with matching magic number, while holding the drm_device::struct_sem - * lock. - */ -static drm_file_t *DRM(find_file)(drm_device_t *dev, drm_magic_t magic) -{ - drm_file_t *retval = NULL; - drm_magic_entry_t *pt; - int hash = DRM(hash_magic)(magic); - - down(&dev->struct_sem); - for (pt = dev->magiclist[hash].head; pt; pt = pt->next) { - if (pt->magic == magic) { - retval = pt->priv; - break; - } - } - up(&dev->struct_sem); - return retval; -} - -/** - * Adds a magic number. - * - * \param dev DRM device. - * \param priv file private data. - * \param magic magic number. - * - * Creates a drm_magic_entry structure and appends to the linked list - * associated the magic number hash key in drm_device::magiclist, while holding - * the drm_device::struct_sem lock. - */ -int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic) -{ - int hash; - drm_magic_entry_t *entry; - - DRM_DEBUG("%d\n", magic); - - hash = DRM(hash_magic)(magic); - entry = DRM(alloc)(sizeof(*entry), DRM_MEM_MAGIC); - if (!entry) return -ENOMEM; - memset(entry, 0, sizeof(*entry)); - entry->magic = magic; - entry->priv = priv; - entry->next = NULL; - - down(&dev->struct_sem); - if (dev->magiclist[hash].tail) { - dev->magiclist[hash].tail->next = entry; - dev->magiclist[hash].tail = entry; - } else { - dev->magiclist[hash].head = entry; - dev->magiclist[hash].tail = entry; - } - up(&dev->struct_sem); - - return 0; -} - -/** - * Remove a magic number. - * - * \param dev DRM device. - * \param magic magic number. - * - * Searches and unlinks the entry in drm_device::magiclist with the magic - * number hash key, while holding the drm_device::struct_sem lock. - */ -int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic) -{ - drm_magic_entry_t *prev = NULL; - drm_magic_entry_t *pt; - int hash; - - - DRM_DEBUG("%d\n", magic); - hash = DRM(hash_magic)(magic); - - down(&dev->struct_sem); - for (pt = dev->magiclist[hash].head; pt; prev = pt, pt = pt->next) { - if (pt->magic == magic) { - if (dev->magiclist[hash].head == pt) { - dev->magiclist[hash].head = pt->next; - } - if (dev->magiclist[hash].tail == pt) { - dev->magiclist[hash].tail = prev; - } - if (prev) { - prev->next = pt->next; - } - up(&dev->struct_sem); - return 0; - } - } - up(&dev->struct_sem); - - DRM(free)(pt, sizeof(*pt), DRM_MEM_MAGIC); - - return -EINVAL; -} - -/** - * Get a unique magic number (ioctl). - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a resulting drm_auth structure. - * \return zero on success, or a negative number on failure. - * - * If there is a magic number in drm_file::magic then use it, otherwise - * searches an unique non-zero magic number and add it associating it with \p - * filp. - */ -int DRM(getmagic)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - static drm_magic_t sequence = 0; - static spinlock_t lock = SPIN_LOCK_UNLOCKED; - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_auth_t auth; - - /* Find unique magic */ - if (priv->magic) { - auth.magic = priv->magic; - } else { - do { - spin_lock(&lock); - if (!sequence) ++sequence; /* reserve 0 */ - auth.magic = sequence++; - spin_unlock(&lock); - } while (DRM(find_file)(dev, auth.magic)); - priv->magic = auth.magic; - DRM(add_magic)(dev, priv, auth.magic); - } - - DRM_DEBUG("%u\n", auth.magic); - if (copy_to_user((drm_auth_t __user *)arg, &auth, sizeof(auth))) - return -EFAULT; - return 0; -} - -/** - * Authenticate with a magic. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a drm_auth structure. - * \return zero if authentication successed, or a negative number otherwise. - * - * Checks if \p filp is associated with the magic number passed in \arg. - */ -int DRM(authmagic)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_auth_t auth; - drm_file_t *file; - - if (copy_from_user(&auth, (drm_auth_t __user *)arg, sizeof(auth))) - return -EFAULT; - DRM_DEBUG("%u\n", auth.magic); - if ((file = DRM(find_file)(dev, auth.magic))) { - file->authenticated = 1; - DRM(remove_magic)(dev, auth.magic); - return 0; - } - return -EINVAL; -} diff -Nru a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_bufs.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,1270 @@ +/** + * \file drm_bufs.h + * Generic buffer template + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include +#include "drmP.h" + +/** + * Compute size order. Returns the exponent of the smaller power of two which + * is greater or equal to given number. + * + * \param size size. + * \return order. + * + * \todo Can be made faster. + */ +int drm_order( unsigned long size ) +{ + int order; + unsigned long tmp; + + for (order = 0, tmp = size >> 1; tmp; tmp >>= 1, order++) + ; + + if (size & (size - 1)) + ++order; + + return order; +} +EXPORT_SYMBOL(drm_order); + +/** + * Ioctl to specify a range of memory that is available for mapping by a non-root process. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_map structure. + * \return zero on success or a negative value on error. + * + * Adjusts the memory offset to its absolute value according to the mapping + * type. Adds the map to the map list drm_device::maplist. Adds MTRR's where + * applicable and if supported by the kernel. + */ +int drm_addmap( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_map_t *map; + drm_map_t __user *argp = (void __user *)arg; + drm_map_list_t *list; + + if ( !(filp->f_mode & 3) ) return -EACCES; /* Require read/write */ + + map = drm_alloc( sizeof(*map), DRM_MEM_MAPS ); + if ( !map ) + return -ENOMEM; + + if ( copy_from_user( map, argp, sizeof(*map) ) ) { + drm_free( map, sizeof(*map), DRM_MEM_MAPS ); + return -EFAULT; + } + + /* Only allow shared memory to be removable since we only keep enough + * book keeping information about shared memory to allow for removal + * when processes fork. + */ + if ( (map->flags & _DRM_REMOVABLE) && map->type != _DRM_SHM ) { + drm_free( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } + DRM_DEBUG( "offset = 0x%08lx, size = 0x%08lx, type = %d\n", + map->offset, map->size, map->type ); + if ( (map->offset & (~PAGE_MASK)) || (map->size & (~PAGE_MASK)) ) { + drm_free( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } + map->mtrr = -1; + map->handle = NULL; + + switch ( map->type ) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: +#if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) + if ( map->offset + map->size < map->offset || + map->offset < virt_to_phys(high_memory) ) { + drm_free( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } +#endif +#ifdef __alpha__ + map->offset += dev->hose->mem_space->start; +#endif + if (drm_core_has_MTRR(dev)) { + if ( map->type == _DRM_FRAME_BUFFER || + (map->flags & _DRM_WRITE_COMBINING) ) { + map->mtrr = mtrr_add( map->offset, map->size, + MTRR_TYPE_WRCOMB, 1 ); + } + } + if (map->type == _DRM_REGISTERS) + map->handle = drm_ioremap( map->offset, map->size, + dev ); + break; + + case _DRM_SHM: + map->handle = vmalloc_32(map->size); + DRM_DEBUG( "%lu %d %p\n", + map->size, drm_order( map->size ), map->handle ); + if ( !map->handle ) { + drm_free( map, sizeof(*map), DRM_MEM_MAPS ); + return -ENOMEM; + } + map->offset = (unsigned long)map->handle; + if ( map->flags & _DRM_CONTAINS_LOCK ) { + /* Prevent a 2nd X Server from creating a 2nd lock */ + if (dev->lock.hw_lock != NULL) { + vfree( map->handle ); + drm_free( map, sizeof(*map), DRM_MEM_MAPS ); + return -EBUSY; + } + dev->sigdata.lock = + dev->lock.hw_lock = map->handle; /* Pointer to lock */ + } + break; + case _DRM_AGP: + if (drm_core_has_AGP(dev)) { +#ifdef __alpha__ + map->offset += dev->hose->mem_space->start; +#endif + map->offset += dev->agp->base; + map->mtrr = dev->agp->agp_mtrr; /* for getmap */ + } + break; + case _DRM_SCATTER_GATHER: + if (!dev->sg) { + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + return -EINVAL; + } + map->offset += dev->sg->handle; + break; + + default: + drm_free( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } + + list = drm_alloc(sizeof(*list), DRM_MEM_MAPS); + if(!list) { + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + return -EINVAL; + } + memset(list, 0, sizeof(*list)); + list->map = map; + + down(&dev->struct_sem); + list_add(&list->head, &dev->maplist->head); + up(&dev->struct_sem); + + if ( copy_to_user( argp, map, sizeof(*map) ) ) + return -EFAULT; + if ( map->type != _DRM_SHM ) { + if ( copy_to_user( &argp->handle, + &map->offset, + sizeof(map->offset) ) ) + return -EFAULT; + } + return 0; +} + + +/** + * Remove a map private from list and deallocate resources if the mapping + * isn't in use. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_map_t structure. + * \return zero on success or a negative value on error. + * + * Searches the map on drm_device::maplist, removes it from the list, see if + * its being used, and free any associate resource (such as MTRR's) if it's not + * being on use. + * + * \sa addmap(). + */ +int drm_rmmap(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + struct list_head *list; + drm_map_list_t *r_list = NULL; + drm_vma_entry_t *pt, *prev; + drm_map_t *map; + drm_map_t request; + int found_maps = 0; + + if (copy_from_user(&request, (drm_map_t __user *)arg, + sizeof(request))) { + return -EFAULT; + } + + down(&dev->struct_sem); + list = &dev->maplist->head; + list_for_each(list, &dev->maplist->head) { + r_list = list_entry(list, drm_map_list_t, head); + + if(r_list->map && + r_list->map->handle == request.handle && + r_list->map->flags & _DRM_REMOVABLE) break; + } + + /* List has wrapped around to the head pointer, or its empty we didn't + * find anything. + */ + if(list == (&dev->maplist->head)) { + up(&dev->struct_sem); + return -EINVAL; + } + map = r_list->map; + list_del(list); + drm_free(list, sizeof(*list), DRM_MEM_MAPS); + + for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) { + if (pt->vma->vm_private_data == map) found_maps++; + } + + if(!found_maps) { + switch (map->type) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: + if (drm_core_has_MTRR(dev)) { + if (map->mtrr >= 0) { + int retcode; + retcode = mtrr_del(map->mtrr, + map->offset, + map->size); + DRM_DEBUG("mtrr_del = %d\n", retcode); + } + } + drm_ioremapfree(map->handle, map->size, dev); + break; + case _DRM_SHM: + vfree(map->handle); + break; + case _DRM_AGP: + case _DRM_SCATTER_GATHER: + break; + } + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + } + up(&dev->struct_sem); + return 0; +} + +/** + * Cleanup after an error on one of the addbufs() functions. + * + * \param entry buffer entry where the error occurred. + * + * Frees any pages and buffers associated with the given entry. + */ +static void drm_cleanup_buf_error(drm_device_t *dev, drm_buf_entry_t *entry) +{ + int i; + + if (entry->seg_count) { + for (i = 0; i < entry->seg_count; i++) { + if (entry->seglist[i]) { + drm_free_pages(entry->seglist[i], + entry->page_order, + DRM_MEM_DMA); + } + } + drm_free(entry->seglist, + entry->seg_count * + sizeof(*entry->seglist), + DRM_MEM_SEGS); + + entry->seg_count = 0; + } + + if (entry->buf_count) { + for (i = 0; i < entry->buf_count; i++) { + if (entry->buflist[i].dev_private) { + drm_free(entry->buflist[i].dev_private, + entry->buflist[i].dev_priv_size, + DRM_MEM_BUFS); + } + } + drm_free(entry->buflist, + entry->buf_count * + sizeof(*entry->buflist), + DRM_MEM_BUFS); + + entry->buf_count = 0; + } +} + +#if __OS_HAS_AGP +/** + * Add AGP buffers for DMA transfers (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_buf_desc_t request. + * \return zero on success or a negative number on failure. + * + * After some sanity checks creates a drm_buf structure for each buffer and + * reallocates the buffer list of the same size order to accommodate the new + * buffers. + */ +int drm_addbufs_agp( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + drm_buf_entry_t *entry; + drm_buf_t *buf; + unsigned long offset; + unsigned long agp_offset; + int count; + int order; + int size; + int alignment; + int page_order; + int total; + int byte_count; + int i; + drm_buf_t **temp_buflist; + drm_buf_desc_t __user *argp = (void __user *)arg; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, argp, + sizeof(request) ) ) + return -EFAULT; + + count = request.count; + order = drm_order( request.size ); + size = 1 << order; + + alignment = (request.flags & _DRM_PAGE_ALIGN) + ? PAGE_ALIGN(size) : size; + page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; + total = PAGE_SIZE << page_order; + + byte_count = 0; + agp_offset = dev->agp->base + request.agp_start; + + DRM_DEBUG( "count: %d\n", count ); + DRM_DEBUG( "order: %d\n", order ); + DRM_DEBUG( "size: %d\n", size ); + DRM_DEBUG( "agp_offset: %lu\n", agp_offset ); + DRM_DEBUG( "alignment: %d\n", alignment ); + DRM_DEBUG( "page_order: %d\n", page_order ); + DRM_DEBUG( "total: %d\n", total ); + + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + if ( dev->queue_count ) return -EBUSY; /* Not while in use */ + + spin_lock( &dev->count_lock ); + if ( dev->buf_use ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + atomic_inc( &dev->buf_alloc ); + spin_unlock( &dev->count_lock ); + + down( &dev->struct_sem ); + entry = &dma->bufs[order]; + if ( entry->buf_count ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; /* May only call once for each order */ + } + + if (count < 0 || count > 4096) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -EINVAL; + } + + entry->buflist = drm_alloc( count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + if ( !entry->buflist ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); + + entry->buf_size = size; + entry->page_order = page_order; + + offset = 0; + + while ( entry->buf_count < count ) { + buf = &entry->buflist[entry->buf_count]; + buf->idx = dma->buf_count + entry->buf_count; + buf->total = alignment; + buf->order = order; + buf->used = 0; + + buf->offset = (dma->byte_count + offset); + buf->bus_address = agp_offset + offset; + buf->address = (void *)(agp_offset + offset); + buf->next = NULL; + buf->waiting = 0; + buf->pending = 0; + init_waitqueue_head( &buf->dma_wait ); + buf->filp = NULL; + + buf->dev_priv_size = dev->driver->dev_priv_size; + buf->dev_private = drm_alloc( buf->dev_priv_size, + DRM_MEM_BUFS ); + if(!buf->dev_private) { + /* Set count correctly so we free the proper amount. */ + entry->buf_count = count; + drm_cleanup_buf_error(dev,entry); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( buf->dev_private, 0, buf->dev_priv_size ); + + DRM_DEBUG( "buffer %d @ %p\n", + entry->buf_count, buf->address ); + + offset += alignment; + entry->buf_count++; + byte_count += PAGE_SIZE << page_order; + } + + DRM_DEBUG( "byte_count: %d\n", byte_count ); + + temp_buflist = drm_realloc( dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + (dma->buf_count + entry->buf_count) + * sizeof(*dma->buflist), + DRM_MEM_BUFS ); + if(!temp_buflist) { + /* Free the entry because it isn't valid */ + drm_cleanup_buf_error(dev,entry); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + dma->buflist = temp_buflist; + + for ( i = 0 ; i < entry->buf_count ; i++ ) { + dma->buflist[i + dma->buf_count] = &entry->buflist[i]; + } + + dma->buf_count += entry->buf_count; + dma->byte_count += byte_count; + + DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count ); + DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count ); + + up( &dev->struct_sem ); + + request.count = entry->buf_count; + request.size = size; + + if ( copy_to_user( argp, &request, sizeof(request) ) ) + return -EFAULT; + + dma->flags = _DRM_DMA_USE_AGP; + + atomic_dec( &dev->buf_alloc ); + return 0; +} +#endif /* __OS_HAS_AGP */ + +int drm_addbufs_pci( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + int count; + int order; + int size; + int total; + int page_order; + drm_buf_entry_t *entry; + unsigned long page; + drm_buf_t *buf; + int alignment; + unsigned long offset; + int i; + int byte_count; + int page_count; + unsigned long *temp_pagelist; + drm_buf_t **temp_buflist; + drm_buf_desc_t __user *argp = (void __user *)arg; + + if (!drm_core_check_feature(dev, DRIVER_PCI_DMA)) return -EINVAL; + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, argp, sizeof(request) ) ) + return -EFAULT; + + count = request.count; + order = drm_order( request.size ); + size = 1 << order; + + DRM_DEBUG( "count=%d, size=%d (%d), order=%d, queue_count=%d\n", + request.count, request.size, size, + order, dev->queue_count ); + + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + if ( dev->queue_count ) return -EBUSY; /* Not while in use */ + + alignment = (request.flags & _DRM_PAGE_ALIGN) + ? PAGE_ALIGN(size) : size; + page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; + total = PAGE_SIZE << page_order; + + spin_lock( &dev->count_lock ); + if ( dev->buf_use ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + atomic_inc( &dev->buf_alloc ); + spin_unlock( &dev->count_lock ); + + down( &dev->struct_sem ); + entry = &dma->bufs[order]; + if ( entry->buf_count ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; /* May only call once for each order */ + } + + if (count < 0 || count > 4096) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -EINVAL; + } + + entry->buflist = drm_alloc( count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + if ( !entry->buflist ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); + + entry->seglist = drm_alloc( count * sizeof(*entry->seglist), + DRM_MEM_SEGS ); + if ( !entry->seglist ) { + drm_free( entry->buflist, + count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->seglist, 0, count * sizeof(*entry->seglist) ); + + /* Keep the original pagelist until we know all the allocations + * have succeeded + */ + temp_pagelist = drm_alloc( (dma->page_count + (count << page_order)) + * sizeof(*dma->pagelist), + DRM_MEM_PAGES ); + if (!temp_pagelist) { + drm_free( entry->buflist, + count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + drm_free( entry->seglist, + count * sizeof(*entry->seglist), + DRM_MEM_SEGS ); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memcpy(temp_pagelist, + dma->pagelist, + dma->page_count * sizeof(*dma->pagelist)); + DRM_DEBUG( "pagelist: %d entries\n", + dma->page_count + (count << page_order) ); + + entry->buf_size = size; + entry->page_order = page_order; + byte_count = 0; + page_count = 0; + + while ( entry->buf_count < count ) { + page = drm_alloc_pages( page_order, DRM_MEM_DMA ); + if ( !page ) { + /* Set count correctly so we free the proper amount. */ + entry->buf_count = count; + entry->seg_count = count; + drm_cleanup_buf_error(dev, entry); + drm_free( temp_pagelist, + (dma->page_count + (count << page_order)) + * sizeof(*dma->pagelist), + DRM_MEM_PAGES ); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + entry->seglist[entry->seg_count++] = page; + for ( i = 0 ; i < (1 << page_order) ; i++ ) { + DRM_DEBUG( "page %d @ 0x%08lx\n", + dma->page_count + page_count, + page + PAGE_SIZE * i ); + temp_pagelist[dma->page_count + page_count++] + = page + PAGE_SIZE * i; + } + for ( offset = 0 ; + offset + size <= total && entry->buf_count < count ; + offset += alignment, ++entry->buf_count ) { + buf = &entry->buflist[entry->buf_count]; + buf->idx = dma->buf_count + entry->buf_count; + buf->total = alignment; + buf->order = order; + buf->used = 0; + buf->offset = (dma->byte_count + byte_count + offset); + buf->address = (void *)(page + offset); + buf->next = NULL; + buf->waiting = 0; + buf->pending = 0; + init_waitqueue_head( &buf->dma_wait ); + buf->filp = NULL; + + buf->dev_priv_size = dev->driver->dev_priv_size; + buf->dev_private = drm_alloc( buf->dev_priv_size, + DRM_MEM_BUFS ); + if(!buf->dev_private) { + /* Set count correctly so we free the proper amount. */ + entry->buf_count = count; + entry->seg_count = count; + drm_cleanup_buf_error(dev,entry); + drm_free( temp_pagelist, + (dma->page_count + (count << page_order)) + * sizeof(*dma->pagelist), + DRM_MEM_PAGES ); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( buf->dev_private, 0, buf->dev_priv_size ); + + DRM_DEBUG( "buffer %d @ %p\n", + entry->buf_count, buf->address ); + } + byte_count += PAGE_SIZE << page_order; + } + + temp_buflist = drm_realloc( dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + (dma->buf_count + entry->buf_count) + * sizeof(*dma->buflist), + DRM_MEM_BUFS ); + if (!temp_buflist) { + /* Free the entry because it isn't valid */ + drm_cleanup_buf_error(dev,entry); + drm_free( temp_pagelist, + (dma->page_count + (count << page_order)) + * sizeof(*dma->pagelist), + DRM_MEM_PAGES ); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + dma->buflist = temp_buflist; + + for ( i = 0 ; i < entry->buf_count ; i++ ) { + dma->buflist[i + dma->buf_count] = &entry->buflist[i]; + } + + /* No allocations failed, so now we can replace the orginal pagelist + * with the new one. + */ + if (dma->page_count) { + drm_free(dma->pagelist, + dma->page_count * sizeof(*dma->pagelist), + DRM_MEM_PAGES); + } + dma->pagelist = temp_pagelist; + + dma->buf_count += entry->buf_count; + dma->seg_count += entry->seg_count; + dma->page_count += entry->seg_count << page_order; + dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order); + + up( &dev->struct_sem ); + + request.count = entry->buf_count; + request.size = size; + + if ( copy_to_user( argp, &request, sizeof(request) ) ) + return -EFAULT; + + atomic_dec( &dev->buf_alloc ); + return 0; + +} + +int drm_addbufs_sg( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t __user *argp = (void __user *)arg; + drm_buf_desc_t request; + drm_buf_entry_t *entry; + drm_buf_t *buf; + unsigned long offset; + unsigned long agp_offset; + int count; + int order; + int size; + int alignment; + int page_order; + int total; + int byte_count; + int i; + drm_buf_t **temp_buflist; + + if (!drm_core_check_feature(dev, DRIVER_SG)) return -EINVAL; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, argp, sizeof(request) ) ) + return -EFAULT; + + count = request.count; + order = drm_order( request.size ); + size = 1 << order; + + alignment = (request.flags & _DRM_PAGE_ALIGN) + ? PAGE_ALIGN(size) : size; + page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; + total = PAGE_SIZE << page_order; + + byte_count = 0; + agp_offset = request.agp_start; + + DRM_DEBUG( "count: %d\n", count ); + DRM_DEBUG( "order: %d\n", order ); + DRM_DEBUG( "size: %d\n", size ); + DRM_DEBUG( "agp_offset: %lu\n", agp_offset ); + DRM_DEBUG( "alignment: %d\n", alignment ); + DRM_DEBUG( "page_order: %d\n", page_order ); + DRM_DEBUG( "total: %d\n", total ); + + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + if ( dev->queue_count ) return -EBUSY; /* Not while in use */ + + spin_lock( &dev->count_lock ); + if ( dev->buf_use ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + atomic_inc( &dev->buf_alloc ); + spin_unlock( &dev->count_lock ); + + down( &dev->struct_sem ); + entry = &dma->bufs[order]; + if ( entry->buf_count ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; /* May only call once for each order */ + } + + if (count < 0 || count > 4096) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -EINVAL; + } + + entry->buflist = drm_alloc( count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + if ( !entry->buflist ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); + + entry->buf_size = size; + entry->page_order = page_order; + + offset = 0; + + while ( entry->buf_count < count ) { + buf = &entry->buflist[entry->buf_count]; + buf->idx = dma->buf_count + entry->buf_count; + buf->total = alignment; + buf->order = order; + buf->used = 0; + + buf->offset = (dma->byte_count + offset); + buf->bus_address = agp_offset + offset; + buf->address = (void *)(agp_offset + offset + dev->sg->handle); + buf->next = NULL; + buf->waiting = 0; + buf->pending = 0; + init_waitqueue_head( &buf->dma_wait ); + buf->filp = NULL; + + buf->dev_priv_size = dev->driver->dev_priv_size; + buf->dev_private = drm_alloc( buf->dev_priv_size, + DRM_MEM_BUFS ); + if(!buf->dev_private) { + /* Set count correctly so we free the proper amount. */ + entry->buf_count = count; + drm_cleanup_buf_error(dev,entry); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + + memset( buf->dev_private, 0, buf->dev_priv_size ); + + DRM_DEBUG( "buffer %d @ %p\n", + entry->buf_count, buf->address ); + + offset += alignment; + entry->buf_count++; + byte_count += PAGE_SIZE << page_order; + } + + DRM_DEBUG( "byte_count: %d\n", byte_count ); + + temp_buflist = drm_realloc( dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + (dma->buf_count + entry->buf_count) + * sizeof(*dma->buflist), + DRM_MEM_BUFS ); + if(!temp_buflist) { + /* Free the entry because it isn't valid */ + drm_cleanup_buf_error(dev,entry); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + dma->buflist = temp_buflist; + + for ( i = 0 ; i < entry->buf_count ; i++ ) { + dma->buflist[i + dma->buf_count] = &entry->buflist[i]; + } + + dma->buf_count += entry->buf_count; + dma->byte_count += byte_count; + + DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count ); + DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count ); + + up( &dev->struct_sem ); + + request.count = entry->buf_count; + request.size = size; + + if ( copy_to_user( argp, &request, sizeof(request) ) ) + return -EFAULT; + + dma->flags = _DRM_DMA_USE_SG; + + atomic_dec( &dev->buf_alloc ); + return 0; +} + +/** + * Add buffers for DMA transfers (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_buf_desc_t request. + * \return zero on success or a negative number on failure. + * + * According with the memory type specified in drm_buf_desc::flags and the + * build options, it dispatches the call either to addbufs_agp(), + * addbufs_sg() or addbufs_pci() for AGP, scatter-gather or consistent + * PCI memory respectively. + */ +int drm_addbufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_buf_desc_t request; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + return -EINVAL; + + if ( copy_from_user( &request, (drm_buf_desc_t __user *)arg, + sizeof(request) ) ) + return -EFAULT; + +#if __OS_HAS_AGP + if ( request.flags & _DRM_AGP_BUFFER ) + return drm_addbufs_agp( inode, filp, cmd, arg ); + else +#endif + if ( request.flags & _DRM_SG_BUFFER ) + return drm_addbufs_sg( inode, filp, cmd, arg ); + else + return drm_addbufs_pci( inode, filp, cmd, arg ); +} + + +/** + * Get information about the buffer mappings. + * + * This was originally mean for debugging purposes, or by a sophisticated + * client library to determine how best to use the available buffers (e.g., + * large buffers can be used for image transfer). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_buf_info structure. + * \return zero on success or a negative number on failure. + * + * Increments drm_device::buf_use while holding the drm_device::count_lock + * lock, preventing of allocating more buffers after this call. Information + * about each requested buffer is then copied into user space. + */ +int drm_infobufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_info_t request; + drm_buf_info_t __user *argp = (void __user *)arg; + int i; + int count; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + return -EINVAL; + + if ( !dma ) return -EINVAL; + + spin_lock( &dev->count_lock ); + if ( atomic_read( &dev->buf_alloc ) ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + ++dev->buf_use; /* Can't allocate more after this call */ + spin_unlock( &dev->count_lock ); + + if ( copy_from_user( &request, argp, sizeof(request) ) ) + return -EFAULT; + + for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { + if ( dma->bufs[i].buf_count ) ++count; + } + + DRM_DEBUG( "count = %d\n", count ); + + if ( request.count >= count ) { + for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { + if ( dma->bufs[i].buf_count ) { + drm_buf_desc_t __user *to = &request.list[count]; + drm_buf_entry_t *from = &dma->bufs[i]; + drm_freelist_t *list = &dma->bufs[i].freelist; + if ( copy_to_user( &to->count, + &from->buf_count, + sizeof(from->buf_count) ) || + copy_to_user( &to->size, + &from->buf_size, + sizeof(from->buf_size) ) || + copy_to_user( &to->low_mark, + &list->low_mark, + sizeof(list->low_mark) ) || + copy_to_user( &to->high_mark, + &list->high_mark, + sizeof(list->high_mark) ) ) + return -EFAULT; + + DRM_DEBUG( "%d %d %d %d %d\n", + i, + dma->bufs[i].buf_count, + dma->bufs[i].buf_size, + dma->bufs[i].freelist.low_mark, + dma->bufs[i].freelist.high_mark ); + ++count; + } + } + } + request.count = count; + + if ( copy_to_user( argp, &request, sizeof(request) ) ) + return -EFAULT; + + return 0; +} + +/** + * Specifies a low and high water mark for buffer allocation + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg a pointer to a drm_buf_desc structure. + * \return zero on success or a negative number on failure. + * + * Verifies that the size order is bounded between the admissible orders and + * updates the respective drm_device_dma::bufs entry low and high water mark. + * + * \note This ioctl is deprecated and mostly never used. + */ +int drm_markbufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + int order; + drm_buf_entry_t *entry; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + return -EINVAL; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, + (drm_buf_desc_t __user *)arg, + sizeof(request) ) ) + return -EFAULT; + + DRM_DEBUG( "%d, %d, %d\n", + request.size, request.low_mark, request.high_mark ); + order = drm_order( request.size ); + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + entry = &dma->bufs[order]; + + if ( request.low_mark < 0 || request.low_mark > entry->buf_count ) + return -EINVAL; + if ( request.high_mark < 0 || request.high_mark > entry->buf_count ) + return -EINVAL; + + entry->freelist.low_mark = request.low_mark; + entry->freelist.high_mark = request.high_mark; + + return 0; +} + +/** + * Unreserve the buffers in list, previously reserved using drmDMA. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_buf_free structure. + * \return zero on success or a negative number on failure. + * + * Calls free_buffer() for each used buffer. + * This function is primarily used for debugging. + */ +int drm_freebufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_free_t request; + int i; + int idx; + drm_buf_t *buf; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + return -EINVAL; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, + (drm_buf_free_t __user *)arg, + sizeof(request) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", request.count ); + for ( i = 0 ; i < request.count ; i++ ) { + if ( copy_from_user( &idx, + &request.list[i], + sizeof(idx) ) ) + return -EFAULT; + if ( idx < 0 || idx >= dma->buf_count ) { + DRM_ERROR( "Index %d (of %d max)\n", + idx, dma->buf_count - 1 ); + return -EINVAL; + } + buf = dma->buflist[idx]; + if ( buf->filp != filp ) { + DRM_ERROR( "Process %d freeing buffer not owned\n", + current->pid ); + return -EINVAL; + } + drm_free_buffer( dev, buf ); + } + + return 0; +} + +/** + * Maps all of the DMA buffers into client-virtual space (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_buf_map structure. + * \return zero on success or a negative number on failure. + * + * Maps the AGP or SG buffer region with do_mmap(), and copies information + * about each buffer into user space. The PCI buffers are already mapped on the + * addbufs_pci() call. + */ +int drm_mapbufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_map_t __user *argp = (void __user *)arg; + int retcode = 0; + const int zero = 0; + unsigned long virtual; + unsigned long address; + drm_buf_map_t request; + int i; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + return -EINVAL; + + if ( !dma ) return -EINVAL; + + spin_lock( &dev->count_lock ); + if ( atomic_read( &dev->buf_alloc ) ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + dev->buf_use++; /* Can't allocate more after this call */ + spin_unlock( &dev->count_lock ); + + if ( copy_from_user( &request, argp, sizeof(request) ) ) + return -EFAULT; + + if ( request.count >= dma->buf_count ) { + if ((drm_core_has_AGP(dev) && (dma->flags & _DRM_DMA_USE_AGP)) || + (drm_core_check_feature(dev, DRIVER_SG) && (dma->flags & _DRM_DMA_USE_SG)) ) { + drm_map_t *map = dev->agp_buffer_map; + + if ( !map ) { + retcode = -EINVAL; + goto done; + } + +#if LINUX_VERSION_CODE <= 0x020402 + down( ¤t->mm->mmap_sem ); +#else + down_write( ¤t->mm->mmap_sem ); +#endif + virtual = do_mmap( filp, 0, map->size, + PROT_READ | PROT_WRITE, + MAP_SHARED, + (unsigned long)map->offset ); +#if LINUX_VERSION_CODE <= 0x020402 + up( ¤t->mm->mmap_sem ); +#else + up_write( ¤t->mm->mmap_sem ); +#endif + } else { +#if LINUX_VERSION_CODE <= 0x020402 + down( ¤t->mm->mmap_sem ); +#else + down_write( ¤t->mm->mmap_sem ); +#endif + virtual = do_mmap( filp, 0, dma->byte_count, + PROT_READ | PROT_WRITE, + MAP_SHARED, 0 ); +#if LINUX_VERSION_CODE <= 0x020402 + up( ¤t->mm->mmap_sem ); +#else + up_write( ¤t->mm->mmap_sem ); +#endif + } + if ( virtual > -1024UL ) { + /* Real error */ + retcode = (signed long)virtual; + goto done; + } + request.virtual = (void __user *)virtual; + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + if ( copy_to_user( &request.list[i].idx, + &dma->buflist[i]->idx, + sizeof(request.list[0].idx) ) ) { + retcode = -EFAULT; + goto done; + } + if ( copy_to_user( &request.list[i].total, + &dma->buflist[i]->total, + sizeof(request.list[0].total) ) ) { + retcode = -EFAULT; + goto done; + } + if ( copy_to_user( &request.list[i].used, + &zero, + sizeof(zero) ) ) { + retcode = -EFAULT; + goto done; + } + address = virtual + dma->buflist[i]->offset; /* *** */ + if ( copy_to_user( &request.list[i].address, + &address, + sizeof(address) ) ) { + retcode = -EFAULT; + goto done; + } + } + } + done: + request.count = dma->buf_count; + DRM_DEBUG( "%d buffers, retcode = %d\n", request.count, retcode ); + + if ( copy_to_user( argp, &request, sizeof(request) ) ) + return -EFAULT; + + return retcode; +} + diff -Nru a/drivers/char/drm/drm_bufs.h b/drivers/char/drm/drm_bufs.h --- a/drivers/char/drm/drm_bufs.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,1269 +0,0 @@ -/** - * \file drm_bufs.h - * Generic buffer template - * - * \author Rickard E. (Rik) Faith - * \author Gareth Hughes - */ - -/* - * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com - * - * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include -#include "drmP.h" - -/** - * Compute size order. Returns the exponent of the smaller power of two which - * is greater or equal to given number. - * - * \param size size. - * \return order. - * - * \todo Can be made faster. - */ -int DRM(order)( unsigned long size ) -{ - int order; - unsigned long tmp; - - for (order = 0, tmp = size >> 1; tmp; tmp >>= 1, order++) - ; - - if (size & (size - 1)) - ++order; - - return order; -} - -/** - * Ioctl to specify a range of memory that is available for mapping by a non-root process. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a drm_map structure. - * \return zero on success or a negative value on error. - * - * Adjusts the memory offset to its absolute value according to the mapping - * type. Adds the map to the map list drm_device::maplist. Adds MTRR's where - * applicable and if supported by the kernel. - */ -int DRM(addmap)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_map_t *map; - drm_map_t __user *argp = (void __user *)arg; - drm_map_list_t *list; - - if ( !(filp->f_mode & 3) ) return -EACCES; /* Require read/write */ - - map = DRM(alloc)( sizeof(*map), DRM_MEM_MAPS ); - if ( !map ) - return -ENOMEM; - - if ( copy_from_user( map, argp, sizeof(*map) ) ) { - DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); - return -EFAULT; - } - - /* Only allow shared memory to be removable since we only keep enough - * book keeping information about shared memory to allow for removal - * when processes fork. - */ - if ( (map->flags & _DRM_REMOVABLE) && map->type != _DRM_SHM ) { - DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); - return -EINVAL; - } - DRM_DEBUG( "offset = 0x%08lx, size = 0x%08lx, type = %d\n", - map->offset, map->size, map->type ); - if ( (map->offset & (~PAGE_MASK)) || (map->size & (~PAGE_MASK)) ) { - DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); - return -EINVAL; - } - map->mtrr = -1; - map->handle = NULL; - - switch ( map->type ) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) - if ( map->offset + map->size < map->offset || - map->offset < virt_to_phys(high_memory) ) { - DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); - return -EINVAL; - } -#endif -#ifdef __alpha__ - map->offset += dev->hose->mem_space->start; -#endif - if (drm_core_has_MTRR(dev)) { - if ( map->type == _DRM_FRAME_BUFFER || - (map->flags & _DRM_WRITE_COMBINING) ) { - map->mtrr = mtrr_add( map->offset, map->size, - MTRR_TYPE_WRCOMB, 1 ); - } - } - if (map->type == _DRM_REGISTERS) - map->handle = DRM(ioremap)( map->offset, map->size, - dev ); - break; - - case _DRM_SHM: - map->handle = vmalloc_32(map->size); - DRM_DEBUG( "%lu %d %p\n", - map->size, DRM(order)( map->size ), map->handle ); - if ( !map->handle ) { - DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); - return -ENOMEM; - } - map->offset = (unsigned long)map->handle; - if ( map->flags & _DRM_CONTAINS_LOCK ) { - /* Prevent a 2nd X Server from creating a 2nd lock */ - if (dev->lock.hw_lock != NULL) { - vfree( map->handle ); - DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); - return -EBUSY; - } - dev->sigdata.lock = - dev->lock.hw_lock = map->handle; /* Pointer to lock */ - } - break; - case _DRM_AGP: - if (drm_core_has_AGP(dev)) { -#ifdef __alpha__ - map->offset += dev->hose->mem_space->start; -#endif - map->offset += dev->agp->base; - map->mtrr = dev->agp->agp_mtrr; /* for getmap */ - } - break; - case _DRM_SCATTER_GATHER: - if (!dev->sg) { - DRM(free)(map, sizeof(*map), DRM_MEM_MAPS); - return -EINVAL; - } - map->offset += dev->sg->handle; - break; - - default: - DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); - return -EINVAL; - } - - list = DRM(alloc)(sizeof(*list), DRM_MEM_MAPS); - if(!list) { - DRM(free)(map, sizeof(*map), DRM_MEM_MAPS); - return -EINVAL; - } - memset(list, 0, sizeof(*list)); - list->map = map; - - down(&dev->struct_sem); - list_add(&list->head, &dev->maplist->head); - up(&dev->struct_sem); - - if ( copy_to_user( argp, map, sizeof(*map) ) ) - return -EFAULT; - if ( map->type != _DRM_SHM ) { - if ( copy_to_user( &argp->handle, - &map->offset, - sizeof(map->offset) ) ) - return -EFAULT; - } - return 0; -} - - -/** - * Remove a map private from list and deallocate resources if the mapping - * isn't in use. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a drm_map_t structure. - * \return zero on success or a negative value on error. - * - * Searches the map on drm_device::maplist, removes it from the list, see if - * its being used, and free any associate resource (such as MTRR's) if it's not - * being on use. - * - * \sa addmap(). - */ -int DRM(rmmap)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - struct list_head *list; - drm_map_list_t *r_list = NULL; - drm_vma_entry_t *pt, *prev; - drm_map_t *map; - drm_map_t request; - int found_maps = 0; - - if (copy_from_user(&request, (drm_map_t __user *)arg, - sizeof(request))) { - return -EFAULT; - } - - down(&dev->struct_sem); - list = &dev->maplist->head; - list_for_each(list, &dev->maplist->head) { - r_list = list_entry(list, drm_map_list_t, head); - - if(r_list->map && - r_list->map->handle == request.handle && - r_list->map->flags & _DRM_REMOVABLE) break; - } - - /* List has wrapped around to the head pointer, or its empty we didn't - * find anything. - */ - if(list == (&dev->maplist->head)) { - up(&dev->struct_sem); - return -EINVAL; - } - map = r_list->map; - list_del(list); - DRM(free)(list, sizeof(*list), DRM_MEM_MAPS); - - for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) { - if (pt->vma->vm_private_data == map) found_maps++; - } - - if(!found_maps) { - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: - if (drm_core_has_MTRR(dev)) { - if (map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } - } - DRM(ioremapfree)(map->handle, map->size, dev); - break; - case _DRM_SHM: - vfree(map->handle); - break; - case _DRM_AGP: - case _DRM_SCATTER_GATHER: - break; - } - DRM(free)(map, sizeof(*map), DRM_MEM_MAPS); - } - up(&dev->struct_sem); - return 0; -} - -/** - * Cleanup after an error on one of the addbufs() functions. - * - * \param entry buffer entry where the error occurred. - * - * Frees any pages and buffers associated with the given entry. - */ -static void DRM(cleanup_buf_error)(drm_buf_entry_t *entry) -{ - int i; - - if (entry->seg_count) { - for (i = 0; i < entry->seg_count; i++) { - if (entry->seglist[i]) { - DRM(free_pages)(entry->seglist[i], - entry->page_order, - DRM_MEM_DMA); - } - } - DRM(free)(entry->seglist, - entry->seg_count * - sizeof(*entry->seglist), - DRM_MEM_SEGS); - - entry->seg_count = 0; - } - - if (entry->buf_count) { - for (i = 0; i < entry->buf_count; i++) { - if (entry->buflist[i].dev_private) { - DRM(free)(entry->buflist[i].dev_private, - entry->buflist[i].dev_priv_size, - DRM_MEM_BUFS); - } - } - DRM(free)(entry->buflist, - entry->buf_count * - sizeof(*entry->buflist), - DRM_MEM_BUFS); - - entry->buf_count = 0; - } -} - -#if __OS_HAS_AGP -/** - * Add AGP buffers for DMA transfers (ioctl). - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a drm_buf_desc_t request. - * \return zero on success or a negative number on failure. - * - * After some sanity checks creates a drm_buf structure for each buffer and - * reallocates the buffer list of the same size order to accommodate the new - * buffers. - */ -int DRM(addbufs_agp)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - drm_buf_entry_t *entry; - drm_buf_t *buf; - unsigned long offset; - unsigned long agp_offset; - int count; - int order; - int size; - int alignment; - int page_order; - int total; - int byte_count; - int i; - drm_buf_t **temp_buflist; - drm_buf_desc_t __user *argp = (void __user *)arg; - - if ( !dma ) return -EINVAL; - - if ( copy_from_user( &request, argp, - sizeof(request) ) ) - return -EFAULT; - - count = request.count; - order = DRM(order)( request.size ); - size = 1 << order; - - alignment = (request.flags & _DRM_PAGE_ALIGN) - ? PAGE_ALIGN(size) : size; - page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; - total = PAGE_SIZE << page_order; - - byte_count = 0; - agp_offset = dev->agp->base + request.agp_start; - - DRM_DEBUG( "count: %d\n", count ); - DRM_DEBUG( "order: %d\n", order ); - DRM_DEBUG( "size: %d\n", size ); - DRM_DEBUG( "agp_offset: %lu\n", agp_offset ); - DRM_DEBUG( "alignment: %d\n", alignment ); - DRM_DEBUG( "page_order: %d\n", page_order ); - DRM_DEBUG( "total: %d\n", total ); - - if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; - if ( dev->queue_count ) return -EBUSY; /* Not while in use */ - - spin_lock( &dev->count_lock ); - if ( dev->buf_use ) { - spin_unlock( &dev->count_lock ); - return -EBUSY; - } - atomic_inc( &dev->buf_alloc ); - spin_unlock( &dev->count_lock ); - - down( &dev->struct_sem ); - entry = &dma->bufs[order]; - if ( entry->buf_count ) { - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; /* May only call once for each order */ - } - - if (count < 0 || count > 4096) { - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -EINVAL; - } - - entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist), - DRM_MEM_BUFS ); - if ( !entry->buflist ) { - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; - } - memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); - - entry->buf_size = size; - entry->page_order = page_order; - - offset = 0; - - while ( entry->buf_count < count ) { - buf = &entry->buflist[entry->buf_count]; - buf->idx = dma->buf_count + entry->buf_count; - buf->total = alignment; - buf->order = order; - buf->used = 0; - - buf->offset = (dma->byte_count + offset); - buf->bus_address = agp_offset + offset; - buf->address = (void *)(agp_offset + offset); - buf->next = NULL; - buf->waiting = 0; - buf->pending = 0; - init_waitqueue_head( &buf->dma_wait ); - buf->filp = NULL; - - buf->dev_priv_size = dev->dev_priv_size; - buf->dev_private = DRM(alloc)( buf->dev_priv_size, - DRM_MEM_BUFS ); - if(!buf->dev_private) { - /* Set count correctly so we free the proper amount. */ - entry->buf_count = count; - DRM(cleanup_buf_error)(entry); - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; - } - memset( buf->dev_private, 0, buf->dev_priv_size ); - - DRM_DEBUG( "buffer %d @ %p\n", - entry->buf_count, buf->address ); - - offset += alignment; - entry->buf_count++; - byte_count += PAGE_SIZE << page_order; - } - - DRM_DEBUG( "byte_count: %d\n", byte_count ); - - temp_buflist = DRM(realloc)( dma->buflist, - dma->buf_count * sizeof(*dma->buflist), - (dma->buf_count + entry->buf_count) - * sizeof(*dma->buflist), - DRM_MEM_BUFS ); - if(!temp_buflist) { - /* Free the entry because it isn't valid */ - DRM(cleanup_buf_error)(entry); - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; - } - dma->buflist = temp_buflist; - - for ( i = 0 ; i < entry->buf_count ; i++ ) { - dma->buflist[i + dma->buf_count] = &entry->buflist[i]; - } - - dma->buf_count += entry->buf_count; - dma->byte_count += byte_count; - - DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count ); - DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count ); - - up( &dev->struct_sem ); - - request.count = entry->buf_count; - request.size = size; - - if ( copy_to_user( argp, &request, sizeof(request) ) ) - return -EFAULT; - - dma->flags = _DRM_DMA_USE_AGP; - - atomic_dec( &dev->buf_alloc ); - return 0; -} -#endif /* __OS_HAS_AGP */ - -int DRM(addbufs_pci)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - int count; - int order; - int size; - int total; - int page_order; - drm_buf_entry_t *entry; - unsigned long page; - drm_buf_t *buf; - int alignment; - unsigned long offset; - int i; - int byte_count; - int page_count; - unsigned long *temp_pagelist; - drm_buf_t **temp_buflist; - drm_buf_desc_t __user *argp = (void __user *)arg; - - if (!drm_core_check_feature(dev, DRIVER_PCI_DMA)) return -EINVAL; - if ( !dma ) return -EINVAL; - - if ( copy_from_user( &request, argp, sizeof(request) ) ) - return -EFAULT; - - count = request.count; - order = DRM(order)( request.size ); - size = 1 << order; - - DRM_DEBUG( "count=%d, size=%d (%d), order=%d, queue_count=%d\n", - request.count, request.size, size, - order, dev->queue_count ); - - if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; - if ( dev->queue_count ) return -EBUSY; /* Not while in use */ - - alignment = (request.flags & _DRM_PAGE_ALIGN) - ? PAGE_ALIGN(size) : size; - page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; - total = PAGE_SIZE << page_order; - - spin_lock( &dev->count_lock ); - if ( dev->buf_use ) { - spin_unlock( &dev->count_lock ); - return -EBUSY; - } - atomic_inc( &dev->buf_alloc ); - spin_unlock( &dev->count_lock ); - - down( &dev->struct_sem ); - entry = &dma->bufs[order]; - if ( entry->buf_count ) { - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; /* May only call once for each order */ - } - - if (count < 0 || count > 4096) { - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -EINVAL; - } - - entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist), - DRM_MEM_BUFS ); - if ( !entry->buflist ) { - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; - } - memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); - - entry->seglist = DRM(alloc)( count * sizeof(*entry->seglist), - DRM_MEM_SEGS ); - if ( !entry->seglist ) { - DRM(free)( entry->buflist, - count * sizeof(*entry->buflist), - DRM_MEM_BUFS ); - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; - } - memset( entry->seglist, 0, count * sizeof(*entry->seglist) ); - - /* Keep the original pagelist until we know all the allocations - * have succeeded - */ - temp_pagelist = DRM(alloc)( (dma->page_count + (count << page_order)) - * sizeof(*dma->pagelist), - DRM_MEM_PAGES ); - if (!temp_pagelist) { - DRM(free)( entry->buflist, - count * sizeof(*entry->buflist), - DRM_MEM_BUFS ); - DRM(free)( entry->seglist, - count * sizeof(*entry->seglist), - DRM_MEM_SEGS ); - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; - } - memcpy(temp_pagelist, - dma->pagelist, - dma->page_count * sizeof(*dma->pagelist)); - DRM_DEBUG( "pagelist: %d entries\n", - dma->page_count + (count << page_order) ); - - entry->buf_size = size; - entry->page_order = page_order; - byte_count = 0; - page_count = 0; - - while ( entry->buf_count < count ) { - page = DRM(alloc_pages)( page_order, DRM_MEM_DMA ); - if ( !page ) { - /* Set count correctly so we free the proper amount. */ - entry->buf_count = count; - entry->seg_count = count; - DRM(cleanup_buf_error)(entry); - DRM(free)( temp_pagelist, - (dma->page_count + (count << page_order)) - * sizeof(*dma->pagelist), - DRM_MEM_PAGES ); - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; - } - entry->seglist[entry->seg_count++] = page; - for ( i = 0 ; i < (1 << page_order) ; i++ ) { - DRM_DEBUG( "page %d @ 0x%08lx\n", - dma->page_count + page_count, - page + PAGE_SIZE * i ); - temp_pagelist[dma->page_count + page_count++] - = page + PAGE_SIZE * i; - } - for ( offset = 0 ; - offset + size <= total && entry->buf_count < count ; - offset += alignment, ++entry->buf_count ) { - buf = &entry->buflist[entry->buf_count]; - buf->idx = dma->buf_count + entry->buf_count; - buf->total = alignment; - buf->order = order; - buf->used = 0; - buf->offset = (dma->byte_count + byte_count + offset); - buf->address = (void *)(page + offset); - buf->next = NULL; - buf->waiting = 0; - buf->pending = 0; - init_waitqueue_head( &buf->dma_wait ); - buf->filp = NULL; - - buf->dev_priv_size = dev->dev_priv_size; - buf->dev_private = DRM(alloc)( dev->dev_priv_size, - DRM_MEM_BUFS ); - if(!buf->dev_private) { - /* Set count correctly so we free the proper amount. */ - entry->buf_count = count; - entry->seg_count = count; - DRM(cleanup_buf_error)(entry); - DRM(free)( temp_pagelist, - (dma->page_count + (count << page_order)) - * sizeof(*dma->pagelist), - DRM_MEM_PAGES ); - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; - } - memset( buf->dev_private, 0, buf->dev_priv_size ); - - DRM_DEBUG( "buffer %d @ %p\n", - entry->buf_count, buf->address ); - } - byte_count += PAGE_SIZE << page_order; - } - - temp_buflist = DRM(realloc)( dma->buflist, - dma->buf_count * sizeof(*dma->buflist), - (dma->buf_count + entry->buf_count) - * sizeof(*dma->buflist), - DRM_MEM_BUFS ); - if (!temp_buflist) { - /* Free the entry because it isn't valid */ - DRM(cleanup_buf_error)(entry); - DRM(free)( temp_pagelist, - (dma->page_count + (count << page_order)) - * sizeof(*dma->pagelist), - DRM_MEM_PAGES ); - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; - } - dma->buflist = temp_buflist; - - for ( i = 0 ; i < entry->buf_count ; i++ ) { - dma->buflist[i + dma->buf_count] = &entry->buflist[i]; - } - - /* No allocations failed, so now we can replace the orginal pagelist - * with the new one. - */ - if (dma->page_count) { - DRM(free)(dma->pagelist, - dma->page_count * sizeof(*dma->pagelist), - DRM_MEM_PAGES); - } - dma->pagelist = temp_pagelist; - - dma->buf_count += entry->buf_count; - dma->seg_count += entry->seg_count; - dma->page_count += entry->seg_count << page_order; - dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order); - - up( &dev->struct_sem ); - - request.count = entry->buf_count; - request.size = size; - - if ( copy_to_user( argp, &request, sizeof(request) ) ) - return -EFAULT; - - atomic_dec( &dev->buf_alloc ); - return 0; - -} - -int DRM(addbufs_sg)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t __user *argp = (void __user *)arg; - drm_buf_desc_t request; - drm_buf_entry_t *entry; - drm_buf_t *buf; - unsigned long offset; - unsigned long agp_offset; - int count; - int order; - int size; - int alignment; - int page_order; - int total; - int byte_count; - int i; - drm_buf_t **temp_buflist; - - if (!drm_core_check_feature(dev, DRIVER_SG)) return -EINVAL; - - if ( !dma ) return -EINVAL; - - if ( copy_from_user( &request, argp, sizeof(request) ) ) - return -EFAULT; - - count = request.count; - order = DRM(order)( request.size ); - size = 1 << order; - - alignment = (request.flags & _DRM_PAGE_ALIGN) - ? PAGE_ALIGN(size) : size; - page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; - total = PAGE_SIZE << page_order; - - byte_count = 0; - agp_offset = request.agp_start; - - DRM_DEBUG( "count: %d\n", count ); - DRM_DEBUG( "order: %d\n", order ); - DRM_DEBUG( "size: %d\n", size ); - DRM_DEBUG( "agp_offset: %lu\n", agp_offset ); - DRM_DEBUG( "alignment: %d\n", alignment ); - DRM_DEBUG( "page_order: %d\n", page_order ); - DRM_DEBUG( "total: %d\n", total ); - - if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; - if ( dev->queue_count ) return -EBUSY; /* Not while in use */ - - spin_lock( &dev->count_lock ); - if ( dev->buf_use ) { - spin_unlock( &dev->count_lock ); - return -EBUSY; - } - atomic_inc( &dev->buf_alloc ); - spin_unlock( &dev->count_lock ); - - down( &dev->struct_sem ); - entry = &dma->bufs[order]; - if ( entry->buf_count ) { - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; /* May only call once for each order */ - } - - if (count < 0 || count > 4096) { - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -EINVAL; - } - - entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist), - DRM_MEM_BUFS ); - if ( !entry->buflist ) { - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; - } - memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); - - entry->buf_size = size; - entry->page_order = page_order; - - offset = 0; - - while ( entry->buf_count < count ) { - buf = &entry->buflist[entry->buf_count]; - buf->idx = dma->buf_count + entry->buf_count; - buf->total = alignment; - buf->order = order; - buf->used = 0; - - buf->offset = (dma->byte_count + offset); - buf->bus_address = agp_offset + offset; - buf->address = (void *)(agp_offset + offset + dev->sg->handle); - buf->next = NULL; - buf->waiting = 0; - buf->pending = 0; - init_waitqueue_head( &buf->dma_wait ); - buf->filp = NULL; - - buf->dev_priv_size = dev->dev_priv_size; - buf->dev_private = DRM(alloc)( dev->dev_priv_size, - DRM_MEM_BUFS ); - if(!buf->dev_private) { - /* Set count correctly so we free the proper amount. */ - entry->buf_count = count; - DRM(cleanup_buf_error)(entry); - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; - } - - memset( buf->dev_private, 0, buf->dev_priv_size ); - - DRM_DEBUG( "buffer %d @ %p\n", - entry->buf_count, buf->address ); - - offset += alignment; - entry->buf_count++; - byte_count += PAGE_SIZE << page_order; - } - - DRM_DEBUG( "byte_count: %d\n", byte_count ); - - temp_buflist = DRM(realloc)( dma->buflist, - dma->buf_count * sizeof(*dma->buflist), - (dma->buf_count + entry->buf_count) - * sizeof(*dma->buflist), - DRM_MEM_BUFS ); - if(!temp_buflist) { - /* Free the entry because it isn't valid */ - DRM(cleanup_buf_error)(entry); - up( &dev->struct_sem ); - atomic_dec( &dev->buf_alloc ); - return -ENOMEM; - } - dma->buflist = temp_buflist; - - for ( i = 0 ; i < entry->buf_count ; i++ ) { - dma->buflist[i + dma->buf_count] = &entry->buflist[i]; - } - - dma->buf_count += entry->buf_count; - dma->byte_count += byte_count; - - DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count ); - DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count ); - - up( &dev->struct_sem ); - - request.count = entry->buf_count; - request.size = size; - - if ( copy_to_user( argp, &request, sizeof(request) ) ) - return -EFAULT; - - dma->flags = _DRM_DMA_USE_SG; - - atomic_dec( &dev->buf_alloc ); - return 0; -} - -/** - * Add buffers for DMA transfers (ioctl). - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a drm_buf_desc_t request. - * \return zero on success or a negative number on failure. - * - * According with the memory type specified in drm_buf_desc::flags and the - * build options, it dispatches the call either to addbufs_agp(), - * addbufs_sg() or addbufs_pci() for AGP, scatter-gather or consistent - * PCI memory respectively. - */ -int DRM(addbufs)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_buf_desc_t request; - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - - if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) - return -EINVAL; - - if ( copy_from_user( &request, (drm_buf_desc_t __user *)arg, - sizeof(request) ) ) - return -EFAULT; - -#if __OS_HAS_AGP - if ( request.flags & _DRM_AGP_BUFFER ) - return DRM(addbufs_agp)( inode, filp, cmd, arg ); - else -#endif - if ( request.flags & _DRM_SG_BUFFER ) - return DRM(addbufs_sg)( inode, filp, cmd, arg ); - else - return DRM(addbufs_pci)( inode, filp, cmd, arg ); -} - - -/** - * Get information about the buffer mappings. - * - * This was originally mean for debugging purposes, or by a sophisticated - * client library to determine how best to use the available buffers (e.g., - * large buffers can be used for image transfer). - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a drm_buf_info structure. - * \return zero on success or a negative number on failure. - * - * Increments drm_device::buf_use while holding the drm_device::count_lock - * lock, preventing of allocating more buffers after this call. Information - * about each requested buffer is then copied into user space. - */ -int DRM(infobufs)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_info_t request; - drm_buf_info_t __user *argp = (void __user *)arg; - int i; - int count; - - if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) - return -EINVAL; - - if ( !dma ) return -EINVAL; - - spin_lock( &dev->count_lock ); - if ( atomic_read( &dev->buf_alloc ) ) { - spin_unlock( &dev->count_lock ); - return -EBUSY; - } - ++dev->buf_use; /* Can't allocate more after this call */ - spin_unlock( &dev->count_lock ); - - if ( copy_from_user( &request, argp, sizeof(request) ) ) - return -EFAULT; - - for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { - if ( dma->bufs[i].buf_count ) ++count; - } - - DRM_DEBUG( "count = %d\n", count ); - - if ( request.count >= count ) { - for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { - if ( dma->bufs[i].buf_count ) { - drm_buf_desc_t __user *to = &request.list[count]; - drm_buf_entry_t *from = &dma->bufs[i]; - drm_freelist_t *list = &dma->bufs[i].freelist; - if ( copy_to_user( &to->count, - &from->buf_count, - sizeof(from->buf_count) ) || - copy_to_user( &to->size, - &from->buf_size, - sizeof(from->buf_size) ) || - copy_to_user( &to->low_mark, - &list->low_mark, - sizeof(list->low_mark) ) || - copy_to_user( &to->high_mark, - &list->high_mark, - sizeof(list->high_mark) ) ) - return -EFAULT; - - DRM_DEBUG( "%d %d %d %d %d\n", - i, - dma->bufs[i].buf_count, - dma->bufs[i].buf_size, - dma->bufs[i].freelist.low_mark, - dma->bufs[i].freelist.high_mark ); - ++count; - } - } - } - request.count = count; - - if ( copy_to_user( argp, &request, sizeof(request) ) ) - return -EFAULT; - - return 0; -} - -/** - * Specifies a low and high water mark for buffer allocation - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg a pointer to a drm_buf_desc structure. - * \return zero on success or a negative number on failure. - * - * Verifies that the size order is bounded between the admissible orders and - * updates the respective drm_device_dma::bufs entry low and high water mark. - * - * \note This ioctl is deprecated and mostly never used. - */ -int DRM(markbufs)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - int order; - drm_buf_entry_t *entry; - - if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) - return -EINVAL; - - if ( !dma ) return -EINVAL; - - if ( copy_from_user( &request, - (drm_buf_desc_t __user *)arg, - sizeof(request) ) ) - return -EFAULT; - - DRM_DEBUG( "%d, %d, %d\n", - request.size, request.low_mark, request.high_mark ); - order = DRM(order)( request.size ); - if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; - entry = &dma->bufs[order]; - - if ( request.low_mark < 0 || request.low_mark > entry->buf_count ) - return -EINVAL; - if ( request.high_mark < 0 || request.high_mark > entry->buf_count ) - return -EINVAL; - - entry->freelist.low_mark = request.low_mark; - entry->freelist.high_mark = request.high_mark; - - return 0; -} - -/** - * Unreserve the buffers in list, previously reserved using drmDMA. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a drm_buf_free structure. - * \return zero on success or a negative number on failure. - * - * Calls free_buffer() for each used buffer. - * This function is primarily used for debugging. - */ -int DRM(freebufs)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_free_t request; - int i; - int idx; - drm_buf_t *buf; - - if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) - return -EINVAL; - - if ( !dma ) return -EINVAL; - - if ( copy_from_user( &request, - (drm_buf_free_t __user *)arg, - sizeof(request) ) ) - return -EFAULT; - - DRM_DEBUG( "%d\n", request.count ); - for ( i = 0 ; i < request.count ; i++ ) { - if ( copy_from_user( &idx, - &request.list[i], - sizeof(idx) ) ) - return -EFAULT; - if ( idx < 0 || idx >= dma->buf_count ) { - DRM_ERROR( "Index %d (of %d max)\n", - idx, dma->buf_count - 1 ); - return -EINVAL; - } - buf = dma->buflist[idx]; - if ( buf->filp != filp ) { - DRM_ERROR( "Process %d freeing buffer not owned\n", - current->pid ); - return -EINVAL; - } - DRM(free_buffer)( dev, buf ); - } - - return 0; -} - -/** - * Maps all of the DMA buffers into client-virtual space (ioctl). - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg pointer to a drm_buf_map structure. - * \return zero on success or a negative number on failure. - * - * Maps the AGP or SG buffer region with do_mmap(), and copies information - * about each buffer into user space. The PCI buffers are already mapped on the - * addbufs_pci() call. - */ -int DRM(mapbufs)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_map_t __user *argp = (void __user *)arg; - int retcode = 0; - const int zero = 0; - unsigned long virtual; - unsigned long address; - drm_buf_map_t request; - int i; - - if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) - return -EINVAL; - - if ( !dma ) return -EINVAL; - - spin_lock( &dev->count_lock ); - if ( atomic_read( &dev->buf_alloc ) ) { - spin_unlock( &dev->count_lock ); - return -EBUSY; - } - dev->buf_use++; /* Can't allocate more after this call */ - spin_unlock( &dev->count_lock ); - - if ( copy_from_user( &request, argp, sizeof(request) ) ) - return -EFAULT; - - if ( request.count >= dma->buf_count ) { - if ((drm_core_has_AGP(dev) && (dma->flags & _DRM_DMA_USE_AGP)) || - (drm_core_check_feature(dev, DRIVER_SG) && (dma->flags & _DRM_DMA_USE_SG)) ) { - drm_map_t *map = dev->agp_buffer_map; - - if ( !map ) { - retcode = -EINVAL; - goto done; - } - -#if LINUX_VERSION_CODE <= 0x020402 - down( ¤t->mm->mmap_sem ); -#else - down_write( ¤t->mm->mmap_sem ); -#endif - virtual = do_mmap( filp, 0, map->size, - PROT_READ | PROT_WRITE, - MAP_SHARED, - (unsigned long)map->offset ); -#if LINUX_VERSION_CODE <= 0x020402 - up( ¤t->mm->mmap_sem ); -#else - up_write( ¤t->mm->mmap_sem ); -#endif - } else { -#if LINUX_VERSION_CODE <= 0x020402 - down( ¤t->mm->mmap_sem ); -#else - down_write( ¤t->mm->mmap_sem ); -#endif - virtual = do_mmap( filp, 0, dma->byte_count, - PROT_READ | PROT_WRITE, - MAP_SHARED, 0 ); -#if LINUX_VERSION_CODE <= 0x020402 - up( ¤t->mm->mmap_sem ); -#else - up_write( ¤t->mm->mmap_sem ); -#endif - } - if ( virtual > -1024UL ) { - /* Real error */ - retcode = (signed long)virtual; - goto done; - } - request.virtual = (void __user *)virtual; - - for ( i = 0 ; i < dma->buf_count ; i++ ) { - if ( copy_to_user( &request.list[i].idx, - &dma->buflist[i]->idx, - sizeof(request.list[0].idx) ) ) { - retcode = -EFAULT; - goto done; - } - if ( copy_to_user( &request.list[i].total, - &dma->buflist[i]->total, - sizeof(request.list[0].total) ) ) { - retcode = -EFAULT; - goto done; - } - if ( copy_to_user( &request.list[i].used, - &zero, - sizeof(zero) ) ) { - retcode = -EFAULT; - goto done; - } - address = virtual + dma->buflist[i]->offset; /* *** */ - if ( copy_to_user( &request.list[i].address, - &address, - sizeof(address) ) ) { - retcode = -EFAULT; - goto done; - } - } - } - done: - request.count = dma->buf_count; - DRM_DEBUG( "%d buffers, retcode = %d\n", request.count, retcode ); - - if ( copy_to_user( argp, &request, sizeof(request) ) ) - return -EFAULT; - - return retcode; -} - diff -Nru a/drivers/char/drm/drm_context.c b/drivers/char/drm/drm_context.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_context.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,578 @@ +/** + * \file drm_context.h + * IOCTLs for generic contexts + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Created: Fri Nov 24 18:31:37 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * ChangeLog: + * 2001-11-16 Torsten Duwe + * added context constructor/destructor hooks, + * needed by SiS driver's memory management. + */ + +#include "drmP.h" + +/******************************************************************/ +/** \name Context bitmap support */ +/*@{*/ + +/** + * Free a handle from the context bitmap. + * + * \param dev DRM device. + * \param ctx_handle context handle. + * + * Clears the bit specified by \p ctx_handle in drm_device::ctx_bitmap and the entry + * in drm_device::context_sareas, while holding the drm_device::struct_sem + * lock. + */ +void drm_ctxbitmap_free( drm_device_t *dev, int ctx_handle ) +{ + if ( ctx_handle < 0 ) goto failed; + if ( !dev->ctx_bitmap ) goto failed; + + if ( ctx_handle < DRM_MAX_CTXBITMAP ) { + down(&dev->struct_sem); + clear_bit( ctx_handle, dev->ctx_bitmap ); + dev->context_sareas[ctx_handle] = NULL; + up(&dev->struct_sem); + return; + } +failed: + DRM_ERROR( "Attempt to free invalid context handle: %d\n", + ctx_handle ); + return; +} + +/** + * Context bitmap allocation. + * + * \param dev DRM device. + * \return (non-negative) context handle on success or a negative number on failure. + * + * Find the first zero bit in drm_device::ctx_bitmap and (re)allocates + * drm_device::context_sareas to accommodate the new entry while holding the + * drm_device::struct_sem lock. + */ +int drm_ctxbitmap_next( drm_device_t *dev ) +{ + int bit; + + if(!dev->ctx_bitmap) return -1; + + down(&dev->struct_sem); + bit = find_first_zero_bit( dev->ctx_bitmap, DRM_MAX_CTXBITMAP ); + if ( bit < DRM_MAX_CTXBITMAP ) { + set_bit( bit, dev->ctx_bitmap ); + DRM_DEBUG( "drm_ctxbitmap_next bit : %d\n", bit ); + if((bit+1) > dev->max_context) { + dev->max_context = (bit+1); + if(dev->context_sareas) { + drm_map_t **ctx_sareas; + + ctx_sareas = drm_realloc(dev->context_sareas, + (dev->max_context - 1) * + sizeof(*dev->context_sareas), + dev->max_context * + sizeof(*dev->context_sareas), + DRM_MEM_MAPS); + if(!ctx_sareas) { + clear_bit(bit, dev->ctx_bitmap); + up(&dev->struct_sem); + return -1; + } + dev->context_sareas = ctx_sareas; + dev->context_sareas[bit] = NULL; + } else { + /* max_context == 1 at this point */ + dev->context_sareas = drm_alloc( + dev->max_context * + sizeof(*dev->context_sareas), + DRM_MEM_MAPS); + if(!dev->context_sareas) { + clear_bit(bit, dev->ctx_bitmap); + up(&dev->struct_sem); + return -1; + } + dev->context_sareas[bit] = NULL; + } + } + up(&dev->struct_sem); + return bit; + } + up(&dev->struct_sem); + return -1; +} + +/** + * Context bitmap initialization. + * + * \param dev DRM device. + * + * Allocates and initialize drm_device::ctx_bitmap and drm_device::context_sareas, while holding + * the drm_device::struct_sem lock. + */ +int drm_ctxbitmap_init( drm_device_t *dev ) +{ + int i; + int temp; + + down(&dev->struct_sem); + dev->ctx_bitmap = (unsigned long *) drm_alloc( PAGE_SIZE, + DRM_MEM_CTXBITMAP ); + if ( dev->ctx_bitmap == NULL ) { + up(&dev->struct_sem); + return -ENOMEM; + } + memset( (void *)dev->ctx_bitmap, 0, PAGE_SIZE ); + dev->context_sareas = NULL; + dev->max_context = -1; + up(&dev->struct_sem); + + for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { + temp = drm_ctxbitmap_next( dev ); + DRM_DEBUG( "drm_ctxbitmap_init : %d\n", temp ); + } + + return 0; +} + +/** + * Context bitmap cleanup. + * + * \param dev DRM device. + * + * Frees drm_device::ctx_bitmap and drm_device::context_sareas, while holding + * the drm_device::struct_sem lock. + */ +void drm_ctxbitmap_cleanup( drm_device_t *dev ) +{ + down(&dev->struct_sem); + if( dev->context_sareas ) drm_free( dev->context_sareas, + sizeof(*dev->context_sareas) * + dev->max_context, + DRM_MEM_MAPS ); + drm_free( (void *)dev->ctx_bitmap, PAGE_SIZE, DRM_MEM_CTXBITMAP ); + up(&dev->struct_sem); +} + +/*@}*/ + +/******************************************************************/ +/** \name Per Context SAREA Support */ +/*@{*/ + +/** + * Get per-context SAREA. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx_priv_map structure. + * \return zero on success or a negative number on failure. + * + * Gets the map from drm_device::context_sareas with the handle specified and + * returns its handle. + */ +int drm_getsareactx(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_priv_map_t __user *argp = (void __user *)arg; + drm_ctx_priv_map_t request; + drm_map_t *map; + + if (copy_from_user(&request, argp, sizeof(request))) + return -EFAULT; + + down(&dev->struct_sem); + if (dev->max_context < 0 || request.ctx_id >= (unsigned) dev->max_context) { + up(&dev->struct_sem); + return -EINVAL; + } + + map = dev->context_sareas[request.ctx_id]; + up(&dev->struct_sem); + + request.handle = map->handle; + if (copy_to_user(argp, &request, sizeof(request))) + return -EFAULT; + return 0; +} + +/** + * Set per-context SAREA. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx_priv_map structure. + * \return zero on success or a negative number on failure. + * + * Searches the mapping specified in \p arg and update the entry in + * drm_device::context_sareas with it. + */ +int drm_setsareactx(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_priv_map_t request; + drm_map_t *map = NULL; + drm_map_list_t *r_list = NULL; + struct list_head *list; + + if (copy_from_user(&request, + (drm_ctx_priv_map_t __user *)arg, + sizeof(request))) + return -EFAULT; + + down(&dev->struct_sem); + list_for_each(list, &dev->maplist->head) { + r_list = list_entry(list, drm_map_list_t, head); + if(r_list->map && + r_list->map->handle == request.handle) + goto found; + } +bad: + up(&dev->struct_sem); + return -EINVAL; + +found: + map = r_list->map; + if (!map) goto bad; + if (dev->max_context < 0) + goto bad; + if (request.ctx_id >= (unsigned) dev->max_context) + goto bad; + dev->context_sareas[request.ctx_id] = map; + up(&dev->struct_sem); + return 0; +} + +/*@}*/ + +/******************************************************************/ +/** \name The actual DRM context handling routines */ +/*@{*/ + +/** + * Switch context. + * + * \param dev DRM device. + * \param old old context handle. + * \param new new context handle. + * \return zero on success or a negative number on failure. + * + * Attempt to set drm_device::context_flag. + */ +int drm_context_switch( drm_device_t *dev, int old, int new ) +{ + if ( test_and_set_bit( 0, &dev->context_flag ) ) { + DRM_ERROR( "Reentering -- FIXME\n" ); + return -EBUSY; + } + + + DRM_DEBUG( "Context switch from %d to %d\n", old, new ); + + if ( new == dev->last_context ) { + clear_bit( 0, &dev->context_flag ); + return 0; + } + + return 0; +} + +/** + * Complete context switch. + * + * \param dev DRM device. + * \param new new context handle. + * \return zero on success or a negative number on failure. + * + * Updates drm_device::last_context and drm_device::last_switch. Verifies the + * hardware lock is held, clears the drm_device::context_flag and wakes up + * drm_device::context_wait. + */ +int drm_context_switch_complete( drm_device_t *dev, int new ) +{ + dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ + dev->last_switch = jiffies; + + if ( !_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ) { + DRM_ERROR( "Lock isn't held after context switch\n" ); + } + + /* If a context switch is ever initiated + when the kernel holds the lock, release + that lock here. */ + clear_bit( 0, &dev->context_flag ); + wake_up( &dev->context_wait ); + + return 0; +} + +/** + * Reserve contexts. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx_res structure. + * \return zero on success or a negative number on failure. + */ +int drm_resctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_ctx_res_t res; + drm_ctx_t __user *argp = (void __user *)arg; + drm_ctx_t ctx; + int i; + + if ( copy_from_user( &res, argp, sizeof(res) ) ) + return -EFAULT; + + if ( res.count >= DRM_RESERVED_CONTEXTS ) { + memset( &ctx, 0, sizeof(ctx) ); + for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { + ctx.handle = i; + if ( copy_to_user( &res.contexts[i], + &i, sizeof(i) ) ) + return -EFAULT; + } + } + res.count = DRM_RESERVED_CONTEXTS; + + if ( copy_to_user( argp, &res, sizeof(res) ) ) + return -EFAULT; + return 0; +} + +/** + * Add context. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx structure. + * \return zero on success or a negative number on failure. + * + * Get a new handle for the context and copy to userspace. + */ +int drm_addctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_list_t * ctx_entry; + drm_ctx_t __user *argp = (void __user *)arg; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, argp, sizeof(ctx) ) ) + return -EFAULT; + + ctx.handle = drm_ctxbitmap_next( dev ); + if ( ctx.handle == DRM_KERNEL_CONTEXT ) { + /* Skip kernel's context and get a new one. */ + ctx.handle = drm_ctxbitmap_next( dev ); + } + DRM_DEBUG( "%d\n", ctx.handle ); + if ( ctx.handle == -1 ) { + DRM_DEBUG( "Not enough free contexts.\n" ); + /* Should this return -EBUSY instead? */ + return -ENOMEM; + } + + if ( ctx.handle != DRM_KERNEL_CONTEXT ) + { + if (dev->driver->context_ctor) + dev->driver->context_ctor(dev, ctx.handle); + } + + ctx_entry = drm_alloc( sizeof(*ctx_entry), DRM_MEM_CTXLIST ); + if ( !ctx_entry ) { + DRM_DEBUG("out of memory\n"); + return -ENOMEM; + } + + INIT_LIST_HEAD( &ctx_entry->head ); + ctx_entry->handle = ctx.handle; + ctx_entry->tag = priv; + + down( &dev->ctxlist_sem ); + list_add( &ctx_entry->head, &dev->ctxlist->head ); + ++dev->ctx_count; + up( &dev->ctxlist_sem ); + + if ( copy_to_user( argp, &ctx, sizeof(ctx) ) ) + return -EFAULT; + return 0; +} + +int drm_modctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + /* This does nothing */ + return 0; +} + +/** + * Get context. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx structure. + * \return zero on success or a negative number on failure. + */ +int drm_getctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_ctx_t __user *argp = (void __user *)arg; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, argp, sizeof(ctx) ) ) + return -EFAULT; + + /* This is 0, because we don't handle any context flags */ + ctx.flags = 0; + + if ( copy_to_user( argp, &ctx, sizeof(ctx) ) ) + return -EFAULT; + return 0; +} + +/** + * Switch context. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx structure. + * \return zero on success or a negative number on failure. + * + * Calls context_switch(). + */ +int drm_switchctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + return drm_context_switch( dev, dev->last_context, ctx.handle ); +} + +/** + * New context. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx structure. + * \return zero on success or a negative number on failure. + * + * Calls context_switch_complete(). + */ +int drm_newctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + drm_context_switch_complete( dev, ctx.handle ); + + return 0; +} + +/** + * Remove context. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx structure. + * \return zero on success or a negative number on failure. + * + * If not the special kernel context, calls ctxbitmap_free() to free the specified context. + */ +int drm_rmctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + if ( ctx.handle == DRM_KERNEL_CONTEXT + 1 ) { + priv->remove_auth_on_close = 1; + } + if ( ctx.handle != DRM_KERNEL_CONTEXT ) { + if (dev->driver->context_dtor) + dev->driver->context_dtor(dev, ctx.handle); + drm_ctxbitmap_free( dev, ctx.handle ); + } + + down( &dev->ctxlist_sem ); + if ( !list_empty( &dev->ctxlist->head ) ) { + drm_ctx_list_t *pos, *n; + + list_for_each_entry_safe( pos, n, &dev->ctxlist->head, head ) { + if ( pos->handle == ctx.handle ) { + list_del( &pos->head ); + drm_free( pos, sizeof(*pos), DRM_MEM_CTXLIST ); + --dev->ctx_count; + } + } + } + up( &dev->ctxlist_sem ); + + return 0; +} + +/*@}*/ + diff -Nru a/drivers/char/drm/drm_context.h b/drivers/char/drm/drm_context.h --- a/drivers/char/drm/drm_context.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,578 +0,0 @@ -/** - * \file drm_context.h - * IOCTLs for generic contexts - * - * \author Rickard E. (Rik) Faith - * \author Gareth Hughes - */ - -/* - * Created: Fri Nov 24 18:31:37 2000 by gareth@valinux.com - * - * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * ChangeLog: - * 2001-11-16 Torsten Duwe - * added context constructor/destructor hooks, - * needed by SiS driver's memory management. - */ - -#include "drmP.h" - -/******************************************************************/ -/** \name Context bitmap support */ -/*@{*/ - -/** - * Free a handle from the context bitmap. - * - * \param dev DRM device. - * \param ctx_handle context handle. - * - * Clears the bit specified by \p ctx_handle in drm_device::ctx_bitmap and the entry - * in drm_device::context_sareas, while holding the drm_device::struct_sem - * lock. - */ -void DRM(ctxbitmap_free)( drm_device_t *dev, int ctx_handle ) -{ - if ( ctx_handle < 0 ) goto failed; - if ( !dev->ctx_bitmap ) goto failed; - - if ( ctx_handle < DRM_MAX_CTXBITMAP ) { - down(&dev->struct_sem); - clear_bit( ctx_handle, dev->ctx_bitmap ); - dev->context_sareas[ctx_handle] = NULL; - up(&dev->struct_sem); - return; - } -failed: - DRM_ERROR( "Attempt to free invalid context handle: %d\n", - ctx_handle ); - return; -} - -/** - * Context bitmap allocation. - * - * \param dev DRM device. - * \return (non-negative) context handle on success or a negative number on failure. - * - * Find the first zero bit in drm_device::ctx_bitmap and (re)allocates - * drm_device::context_sareas to accommodate the new entry while holding the - * drm_device::struct_sem lock. - */ -int DRM(ctxbitmap_next)( drm_device_t *dev ) -{ - int bit; - - if(!dev->ctx_bitmap) return -1; - - down(&dev->struct_sem); - bit = find_first_zero_bit( dev->ctx_bitmap, DRM_MAX_CTXBITMAP ); - if ( bit < DRM_MAX_CTXBITMAP ) { - set_bit( bit, dev->ctx_bitmap ); - DRM_DEBUG( "drm_ctxbitmap_next bit : %d\n", bit ); - if((bit+1) > dev->max_context) { - dev->max_context = (bit+1); - if(dev->context_sareas) { - drm_map_t **ctx_sareas; - - ctx_sareas = DRM(realloc)(dev->context_sareas, - (dev->max_context - 1) * - sizeof(*dev->context_sareas), - dev->max_context * - sizeof(*dev->context_sareas), - DRM_MEM_MAPS); - if(!ctx_sareas) { - clear_bit(bit, dev->ctx_bitmap); - up(&dev->struct_sem); - return -1; - } - dev->context_sareas = ctx_sareas; - dev->context_sareas[bit] = NULL; - } else { - /* max_context == 1 at this point */ - dev->context_sareas = DRM(alloc)( - dev->max_context * - sizeof(*dev->context_sareas), - DRM_MEM_MAPS); - if(!dev->context_sareas) { - clear_bit(bit, dev->ctx_bitmap); - up(&dev->struct_sem); - return -1; - } - dev->context_sareas[bit] = NULL; - } - } - up(&dev->struct_sem); - return bit; - } - up(&dev->struct_sem); - return -1; -} - -/** - * Context bitmap initialization. - * - * \param dev DRM device. - * - * Allocates and initialize drm_device::ctx_bitmap and drm_device::context_sareas, while holding - * the drm_device::struct_sem lock. - */ -int DRM(ctxbitmap_init)( drm_device_t *dev ) -{ - int i; - int temp; - - down(&dev->struct_sem); - dev->ctx_bitmap = (unsigned long *) DRM(alloc)( PAGE_SIZE, - DRM_MEM_CTXBITMAP ); - if ( dev->ctx_bitmap == NULL ) { - up(&dev->struct_sem); - return -ENOMEM; - } - memset( (void *)dev->ctx_bitmap, 0, PAGE_SIZE ); - dev->context_sareas = NULL; - dev->max_context = -1; - up(&dev->struct_sem); - - for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { - temp = DRM(ctxbitmap_next)( dev ); - DRM_DEBUG( "drm_ctxbitmap_init : %d\n", temp ); - } - - return 0; -} - -/** - * Context bitmap cleanup. - * - * \param dev DRM device. - * - * Frees drm_device::ctx_bitmap and drm_device::context_sareas, while holding - * the drm_device::struct_sem lock. - */ -void DRM(ctxbitmap_cleanup)( drm_device_t *dev ) -{ - down(&dev->struct_sem); - if( dev->context_sareas ) DRM(free)( dev->context_sareas, - sizeof(*dev->context_sareas) * - dev->max_context, - DRM_MEM_MAPS ); - DRM(free)( (void *)dev->ctx_bitmap, PAGE_SIZE, DRM_MEM_CTXBITMAP ); - up(&dev->struct_sem); -} - -/*@}*/ - -/******************************************************************/ -/** \name Per Context SAREA Support */ -/*@{*/ - -/** - * Get per-context SAREA. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument pointing to a drm_ctx_priv_map structure. - * \return zero on success or a negative number on failure. - * - * Gets the map from drm_device::context_sareas with the handle specified and - * returns its handle. - */ -int DRM(getsareactx)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_priv_map_t __user *argp = (void __user *)arg; - drm_ctx_priv_map_t request; - drm_map_t *map; - - if (copy_from_user(&request, argp, sizeof(request))) - return -EFAULT; - - down(&dev->struct_sem); - if (dev->max_context < 0 || request.ctx_id >= (unsigned) dev->max_context) { - up(&dev->struct_sem); - return -EINVAL; - } - - map = dev->context_sareas[request.ctx_id]; - up(&dev->struct_sem); - - request.handle = map->handle; - if (copy_to_user(argp, &request, sizeof(request))) - return -EFAULT; - return 0; -} - -/** - * Set per-context SAREA. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument pointing to a drm_ctx_priv_map structure. - * \return zero on success or a negative number on failure. - * - * Searches the mapping specified in \p arg and update the entry in - * drm_device::context_sareas with it. - */ -int DRM(setsareactx)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_priv_map_t request; - drm_map_t *map = NULL; - drm_map_list_t *r_list = NULL; - struct list_head *list; - - if (copy_from_user(&request, - (drm_ctx_priv_map_t __user *)arg, - sizeof(request))) - return -EFAULT; - - down(&dev->struct_sem); - list_for_each(list, &dev->maplist->head) { - r_list = list_entry(list, drm_map_list_t, head); - if(r_list->map && - r_list->map->handle == request.handle) - goto found; - } -bad: - up(&dev->struct_sem); - return -EINVAL; - -found: - map = r_list->map; - if (!map) goto bad; - if (dev->max_context < 0) - goto bad; - if (request.ctx_id >= (unsigned) dev->max_context) - goto bad; - dev->context_sareas[request.ctx_id] = map; - up(&dev->struct_sem); - return 0; -} - -/*@}*/ - -/******************************************************************/ -/** \name The actual DRM context handling routines */ -/*@{*/ - -/** - * Switch context. - * - * \param dev DRM device. - * \param old old context handle. - * \param new new context handle. - * \return zero on success or a negative number on failure. - * - * Attempt to set drm_device::context_flag. - */ -int DRM(context_switch)( drm_device_t *dev, int old, int new ) -{ - if ( test_and_set_bit( 0, &dev->context_flag ) ) { - DRM_ERROR( "Reentering -- FIXME\n" ); - return -EBUSY; - } - - - DRM_DEBUG( "Context switch from %d to %d\n", old, new ); - - if ( new == dev->last_context ) { - clear_bit( 0, &dev->context_flag ); - return 0; - } - - return 0; -} - -/** - * Complete context switch. - * - * \param dev DRM device. - * \param new new context handle. - * \return zero on success or a negative number on failure. - * - * Updates drm_device::last_context and drm_device::last_switch. Verifies the - * hardware lock is held, clears the drm_device::context_flag and wakes up - * drm_device::context_wait. - */ -int DRM(context_switch_complete)( drm_device_t *dev, int new ) -{ - dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ - dev->last_switch = jiffies; - - if ( !_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ) { - DRM_ERROR( "Lock isn't held after context switch\n" ); - } - - /* If a context switch is ever initiated - when the kernel holds the lock, release - that lock here. */ - clear_bit( 0, &dev->context_flag ); - wake_up( &dev->context_wait ); - - return 0; -} - -/** - * Reserve contexts. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument pointing to a drm_ctx_res structure. - * \return zero on success or a negative number on failure. - */ -int DRM(resctx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_ctx_res_t res; - drm_ctx_t __user *argp = (void __user *)arg; - drm_ctx_t ctx; - int i; - - if ( copy_from_user( &res, argp, sizeof(res) ) ) - return -EFAULT; - - if ( res.count >= DRM_RESERVED_CONTEXTS ) { - memset( &ctx, 0, sizeof(ctx) ); - for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { - ctx.handle = i; - if ( copy_to_user( &res.contexts[i], - &i, sizeof(i) ) ) - return -EFAULT; - } - } - res.count = DRM_RESERVED_CONTEXTS; - - if ( copy_to_user( argp, &res, sizeof(res) ) ) - return -EFAULT; - return 0; -} - -/** - * Add context. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument pointing to a drm_ctx structure. - * \return zero on success or a negative number on failure. - * - * Get a new handle for the context and copy to userspace. - */ -int DRM(addctx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_list_t * ctx_entry; - drm_ctx_t __user *argp = (void __user *)arg; - drm_ctx_t ctx; - - if ( copy_from_user( &ctx, argp, sizeof(ctx) ) ) - return -EFAULT; - - ctx.handle = DRM(ctxbitmap_next)( dev ); - if ( ctx.handle == DRM_KERNEL_CONTEXT ) { - /* Skip kernel's context and get a new one. */ - ctx.handle = DRM(ctxbitmap_next)( dev ); - } - DRM_DEBUG( "%d\n", ctx.handle ); - if ( ctx.handle == -1 ) { - DRM_DEBUG( "Not enough free contexts.\n" ); - /* Should this return -EBUSY instead? */ - return -ENOMEM; - } - - if ( ctx.handle != DRM_KERNEL_CONTEXT ) - { - if (dev->fn_tbl.context_ctor) - dev->fn_tbl.context_ctor(dev, ctx.handle); - } - - ctx_entry = DRM(alloc)( sizeof(*ctx_entry), DRM_MEM_CTXLIST ); - if ( !ctx_entry ) { - DRM_DEBUG("out of memory\n"); - return -ENOMEM; - } - - INIT_LIST_HEAD( &ctx_entry->head ); - ctx_entry->handle = ctx.handle; - ctx_entry->tag = priv; - - down( &dev->ctxlist_sem ); - list_add( &ctx_entry->head, &dev->ctxlist->head ); - ++dev->ctx_count; - up( &dev->ctxlist_sem ); - - if ( copy_to_user( argp, &ctx, sizeof(ctx) ) ) - return -EFAULT; - return 0; -} - -int DRM(modctx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - /* This does nothing */ - return 0; -} - -/** - * Get context. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument pointing to a drm_ctx structure. - * \return zero on success or a negative number on failure. - */ -int DRM(getctx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_ctx_t __user *argp = (void __user *)arg; - drm_ctx_t ctx; - - if ( copy_from_user( &ctx, argp, sizeof(ctx) ) ) - return -EFAULT; - - /* This is 0, because we don't handle any context flags */ - ctx.flags = 0; - - if ( copy_to_user( argp, &ctx, sizeof(ctx) ) ) - return -EFAULT; - return 0; -} - -/** - * Switch context. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument pointing to a drm_ctx structure. - * \return zero on success or a negative number on failure. - * - * Calls context_switch(). - */ -int DRM(switchctx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) ) - return -EFAULT; - - DRM_DEBUG( "%d\n", ctx.handle ); - return DRM(context_switch)( dev, dev->last_context, ctx.handle ); -} - -/** - * New context. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument pointing to a drm_ctx structure. - * \return zero on success or a negative number on failure. - * - * Calls context_switch_complete(). - */ -int DRM(newctx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) ) - return -EFAULT; - - DRM_DEBUG( "%d\n", ctx.handle ); - DRM(context_switch_complete)( dev, ctx.handle ); - - return 0; -} - -/** - * Remove context. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument pointing to a drm_ctx structure. - * \return zero on success or a negative number on failure. - * - * If not the special kernel context, calls ctxbitmap_free() to free the specified context. - */ -int DRM(rmctx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) ) - return -EFAULT; - - DRM_DEBUG( "%d\n", ctx.handle ); - if ( ctx.handle == DRM_KERNEL_CONTEXT + 1 ) { - priv->remove_auth_on_close = 1; - } - if ( ctx.handle != DRM_KERNEL_CONTEXT ) { - if (dev->fn_tbl.context_dtor) - dev->fn_tbl.context_dtor(dev, ctx.handle); - DRM(ctxbitmap_free)( dev, ctx.handle ); - } - - down( &dev->ctxlist_sem ); - if ( !list_empty( &dev->ctxlist->head ) ) { - drm_ctx_list_t *pos, *n; - - list_for_each_entry_safe( pos, n, &dev->ctxlist->head, head ) { - if ( pos->handle == ctx.handle ) { - list_del( &pos->head ); - DRM(free)( pos, sizeof(*pos), DRM_MEM_CTXLIST ); - --dev->ctx_count; - } - } - } - up( &dev->ctxlist_sem ); - - return 0; -} - -/*@}*/ - diff -Nru a/drivers/char/drm/drm_core.h b/drivers/char/drm/drm_core.h --- a/drivers/char/drm/drm_core.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/drm_core.h 2004-12-12 18:07:35 -08:00 @@ -20,21 +20,15 @@ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ +#define DRIVER_AUTHOR "Gareth Hughes, Leif Delgass, José Fonseca, Jon Smirl" -#include "drm_auth.h" -#include "drm_agpsupport.h" -#include "drm_bufs.h" -#include "drm_context.h" -#include "drm_dma.h" -#include "drm_irq.h" -#include "drm_drawable.h" -#include "drm_drv.h" -#include "drm_fops.h" -#include "drm_init.h" -#include "drm_ioctl.h" -#include "drm_lock.h" -#include "drm_memory.h" -#include "drm_proc.h" -#include "drm_vm.h" -#include "drm_stub.h" -#include "drm_scatter.h" +#define DRIVER_NAME "drm" +#define DRIVER_DESC "DRM shared core routines" +#define DRIVER_DATE "20040925" + +#define DRM_IF_MAJOR 1 +#define DRM_IF_MINOR 2 + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 diff -Nru a/drivers/char/drm/drm_dma.c b/drivers/char/drm/drm_dma.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_dma.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,182 @@ +/** + * \file drm_dma.h + * DMA IOCTL and function support + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +/** + * Initialize the DMA data. + * + * \param dev DRM device. + * \return zero on success or a negative value on failure. + * + * Allocate and initialize a drm_device_dma structure. + */ +int drm_dma_setup( drm_device_t *dev ) +{ + int i; + + dev->dma = drm_alloc( sizeof(*dev->dma), DRM_MEM_DRIVER ); + if ( !dev->dma ) + return -ENOMEM; + + memset( dev->dma, 0, sizeof(*dev->dma) ); + + for ( i = 0 ; i <= DRM_MAX_ORDER ; i++ ) + memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0])); + + return 0; +} + +/** + * Cleanup the DMA resources. + * + * \param dev DRM device. + * + * Free all pages associated with DMA buffers, the buffers and pages lists, and + * finally the the drm_device::dma structure itself. + */ +void drm_dma_takedown(drm_device_t *dev) +{ + drm_device_dma_t *dma = dev->dma; + int i, j; + + if (!dma) return; + + /* Clear dma buffers */ + for (i = 0; i <= DRM_MAX_ORDER; i++) { + if (dma->bufs[i].seg_count) { + DRM_DEBUG("order %d: buf_count = %d," + " seg_count = %d\n", + i, + dma->bufs[i].buf_count, + dma->bufs[i].seg_count); + for (j = 0; j < dma->bufs[i].seg_count; j++) { + if (dma->bufs[i].seglist[j]) { + drm_free_pages(dma->bufs[i].seglist[j], + dma->bufs[i].page_order, + DRM_MEM_DMA); + } + } + drm_free(dma->bufs[i].seglist, + dma->bufs[i].seg_count + * sizeof(*dma->bufs[0].seglist), + DRM_MEM_SEGS); + } + if (dma->bufs[i].buf_count) { + for (j = 0; j < dma->bufs[i].buf_count; j++) { + if (dma->bufs[i].buflist[j].dev_private) { + drm_free(dma->bufs[i].buflist[j].dev_private, + dma->bufs[i].buflist[j].dev_priv_size, + DRM_MEM_BUFS); + } + } + drm_free(dma->bufs[i].buflist, + dma->bufs[i].buf_count * + sizeof(*dma->bufs[0].buflist), + DRM_MEM_BUFS); + } + } + + if (dma->buflist) { + drm_free(dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + DRM_MEM_BUFS); + } + + if (dma->pagelist) { + drm_free(dma->pagelist, + dma->page_count * sizeof(*dma->pagelist), + DRM_MEM_PAGES); + } + drm_free(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER); + dev->dma = NULL; +} + + +/** + * Free a buffer. + * + * \param dev DRM device. + * \param buf buffer to free. + * + * Resets the fields of \p buf. + */ +void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf) +{ + if (!buf) return; + + buf->waiting = 0; + buf->pending = 0; + buf->filp = NULL; + buf->used = 0; + + if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && waitqueue_active(&buf->dma_wait)) { + wake_up_interruptible(&buf->dma_wait); + } +} + +/** + * Reclaim the buffers. + * + * \param filp file pointer. + * + * Frees each buffer associated with \p filp not already on the hardware. + */ +void drm_core_reclaim_buffers( struct file *filp ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + int i; + + if (!dma) return; + for (i = 0; i < dma->buf_count; i++) { + if (dma->buflist[i]->filp == filp) { + switch (dma->buflist[i]->list) { + case DRM_LIST_NONE: + drm_free_buffer(dev, dma->buflist[i]); + break; + case DRM_LIST_WAIT: + dma->buflist[i]->list = DRM_LIST_RECLAIM; + break; + default: + /* Buffer already on hardware. */ + break; + } + } + } +} +EXPORT_SYMBOL(drm_core_reclaim_buffers); + diff -Nru a/drivers/char/drm/drm_dma.h b/drivers/char/drm/drm_dma.h --- a/drivers/char/drm/drm_dma.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,181 +0,0 @@ -/** - * \file drm_dma.h - * DMA IOCTL and function support - * - * \author Rickard E. (Rik) Faith - * \author Gareth Hughes - */ - -/* - * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com - * - * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "drmP.h" - -/** - * Initialize the DMA data. - * - * \param dev DRM device. - * \return zero on success or a negative value on failure. - * - * Allocate and initialize a drm_device_dma structure. - */ -int DRM(dma_setup)( drm_device_t *dev ) -{ - int i; - - dev->dma = DRM(alloc)( sizeof(*dev->dma), DRM_MEM_DRIVER ); - if ( !dev->dma ) - return -ENOMEM; - - memset( dev->dma, 0, sizeof(*dev->dma) ); - - for ( i = 0 ; i <= DRM_MAX_ORDER ; i++ ) - memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0])); - - return 0; -} - -/** - * Cleanup the DMA resources. - * - * \param dev DRM device. - * - * Free all pages associated with DMA buffers, the buffers and pages lists, and - * finally the the drm_device::dma structure itself. - */ -void DRM(dma_takedown)(drm_device_t *dev) -{ - drm_device_dma_t *dma = dev->dma; - int i, j; - - if (!dma) return; - - /* Clear dma buffers */ - for (i = 0; i <= DRM_MAX_ORDER; i++) { - if (dma->bufs[i].seg_count) { - DRM_DEBUG("order %d: buf_count = %d," - " seg_count = %d\n", - i, - dma->bufs[i].buf_count, - dma->bufs[i].seg_count); - for (j = 0; j < dma->bufs[i].seg_count; j++) { - if (dma->bufs[i].seglist[j]) { - DRM(free_pages)(dma->bufs[i].seglist[j], - dma->bufs[i].page_order, - DRM_MEM_DMA); - } - } - DRM(free)(dma->bufs[i].seglist, - dma->bufs[i].seg_count - * sizeof(*dma->bufs[0].seglist), - DRM_MEM_SEGS); - } - if (dma->bufs[i].buf_count) { - for (j = 0; j < dma->bufs[i].buf_count; j++) { - if (dma->bufs[i].buflist[j].dev_private) { - DRM(free)(dma->bufs[i].buflist[j].dev_private, - dma->bufs[i].buflist[j].dev_priv_size, - DRM_MEM_BUFS); - } - } - DRM(free)(dma->bufs[i].buflist, - dma->bufs[i].buf_count * - sizeof(*dma->bufs[0].buflist), - DRM_MEM_BUFS); - } - } - - if (dma->buflist) { - DRM(free)(dma->buflist, - dma->buf_count * sizeof(*dma->buflist), - DRM_MEM_BUFS); - } - - if (dma->pagelist) { - DRM(free)(dma->pagelist, - dma->page_count * sizeof(*dma->pagelist), - DRM_MEM_PAGES); - } - DRM(free)(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER); - dev->dma = NULL; -} - - -/** - * Free a buffer. - * - * \param dev DRM device. - * \param buf buffer to free. - * - * Resets the fields of \p buf. - */ -void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf) -{ - if (!buf) return; - - buf->waiting = 0; - buf->pending = 0; - buf->filp = NULL; - buf->used = 0; - - if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && waitqueue_active(&buf->dma_wait)) { - wake_up_interruptible(&buf->dma_wait); - } -} - -/** - * Reclaim the buffers. - * - * \param filp file pointer. - * - * Frees each buffer associated with \p filp not already on the hardware. - */ -void DRM(core_reclaim_buffers)( struct file *filp ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - int i; - - if (!dma) return; - for (i = 0; i < dma->buf_count; i++) { - if (dma->buflist[i]->filp == filp) { - switch (dma->buflist[i]->list) { - case DRM_LIST_NONE: - DRM(free_buffer)(dev, dma->buflist[i]); - break; - case DRM_LIST_WAIT: - dma->buflist[i]->list = DRM_LIST_RECLAIM; - break; - default: - /* Buffer already on hardware. */ - break; - } - } - } -} - diff -Nru a/drivers/char/drm/drm_drawable.c b/drivers/char/drm/drm_drawable.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_drawable.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,56 @@ +/** + * \file drm_drawable.h + * IOCTLs for drawables + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +/** No-op. */ +int drm_adddraw(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_draw_t draw; + + draw.handle = 0; /* NOOP */ + DRM_DEBUG("%d\n", draw.handle); + if (copy_to_user((drm_draw_t __user *)arg, &draw, sizeof(draw))) + return -EFAULT; + return 0; +} + +/** No-op. */ +int drm_rmdraw(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + return 0; /* NOOP */ +} diff -Nru a/drivers/char/drm/drm_drawable.h b/drivers/char/drm/drm_drawable.h --- a/drivers/char/drm/drm_drawable.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,56 +0,0 @@ -/** - * \file drm_drawable.h - * IOCTLs for drawables - * - * \author Rickard E. (Rik) Faith - * \author Gareth Hughes - */ - -/* - * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "drmP.h" - -/** No-op. */ -int DRM(adddraw)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_draw_t draw; - - draw.handle = 0; /* NOOP */ - DRM_DEBUG("%d\n", draw.handle); - if (copy_to_user((drm_draw_t __user *)arg, &draw, sizeof(draw))) - return -EFAULT; - return 0; -} - -/** No-op. */ -int DRM(rmdraw)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - return 0; /* NOOP */ -} diff -Nru a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_drv.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,545 @@ +/** + * \file drm_drv.h + * Generic driver template + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + * + * To use this template, you must at least define the following (samples + * given for the MGA driver): + * + * \code + * #define DRIVER_AUTHOR "VA Linux Systems, Inc." + * + * #define DRIVER_NAME "mga" + * #define DRIVER_DESC "Matrox G200/G400" + * #define DRIVER_DATE "20001127" + * + * #define DRIVER_MAJOR 2 + * #define DRIVER_MINOR 0 + * #define DRIVER_PATCHLEVEL 2 + * + * #define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( mga_ioctls ) + * + * #define drm_x mga_##x + * \endcode + */ + +/* + * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" +#include "drm_core.h" + +/** Ioctl table */ +drm_ioctl_desc_t drm_ioctls[] = { + [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { drm_version, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_by_busid, 0, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = { drm_getmap, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = { drm_getclient, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { drm_getstats, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)] = { drm_setversion, 0, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_noop, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_noop, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { drm_rmmap, 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { drm_setsareactx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { drm_getsareactx, 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { drm_addctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { drm_rmctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { drm_modctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { drm_getctx, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { drm_switchctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { drm_newctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { drm_resctx, 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { drm_lock, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { drm_unlock, 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_noop, 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { drm_addbufs, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { drm_mapbufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, 1, 0 }, + /* The DRM_IOCTL_DMA ioctl should be defined by the driver. */ + + [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { drm_control, 1, 1 }, + +#if __OS_HAS_AGP + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, +#endif + + [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { drm_sg_alloc, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { drm_sg_free, 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = { drm_wait_vblank, 0, 0 }, +}; + +#define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( drm_ioctls ) + +/** + * Take down the DRM device. + * + * \param dev DRM device structure. + * + * Frees every resource in \p dev. + * + * \sa drm_device and setup(). + */ +int drm_takedown( drm_device_t *dev ) +{ + drm_magic_entry_t *pt, *next; + drm_map_t *map; + drm_map_list_t *r_list; + struct list_head *list, *list_next; + drm_vma_entry_t *vma, *vma_next; + int i; + + DRM_DEBUG( "\n" ); + + if (dev->driver->pretakedown) + dev->driver->pretakedown(dev); + + if ( dev->irq_enabled ) drm_irq_uninstall( dev ); + + down( &dev->struct_sem ); + del_timer( &dev->timer ); + + if ( dev->devname ) { + drm_free( dev->devname, strlen( dev->devname ) + 1, + DRM_MEM_DRIVER ); + dev->devname = NULL; + } + + if ( dev->unique ) { + drm_free( dev->unique, strlen( dev->unique ) + 1, + DRM_MEM_DRIVER ); + dev->unique = NULL; + dev->unique_len = 0; + } + /* Clear pid list */ + for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) { + for ( pt = dev->magiclist[i].head ; pt ; pt = next ) { + next = pt->next; + drm_free( pt, sizeof(*pt), DRM_MEM_MAGIC ); + } + dev->magiclist[i].head = dev->magiclist[i].tail = NULL; + } + + /* Clear AGP information */ + if (drm_core_has_AGP(dev) && dev->agp) { + drm_agp_mem_t *entry; + drm_agp_mem_t *nexte; + + /* Remove AGP resources, but leave dev->agp + intact until drv_cleanup is called. */ + for ( entry = dev->agp->memory ; entry ; entry = nexte ) { + nexte = entry->next; + if ( entry->bound ) drm_unbind_agp( entry->memory ); + drm_free_agp( entry->memory, entry->pages ); + drm_free( entry, sizeof(*entry), DRM_MEM_AGPLISTS ); + } + dev->agp->memory = NULL; + + if ( dev->agp->acquired ) drm_agp_do_release(); + + dev->agp->acquired = 0; + dev->agp->enabled = 0; + } + + /* Clear vma list (only built for debugging) */ + if ( dev->vmalist ) { + for ( vma = dev->vmalist ; vma ; vma = vma_next ) { + vma_next = vma->next; + drm_free( vma, sizeof(*vma), DRM_MEM_VMAS ); + } + dev->vmalist = NULL; + } + + if( dev->maplist ) { + list_for_each_safe( list, list_next, &dev->maplist->head ) { + r_list = (drm_map_list_t *)list; + + if ( ( map = r_list->map ) ) { + switch ( map->type ) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: + if (drm_core_has_MTRR(dev)) { + if ( map->mtrr >= 0 ) { + int retcode; + retcode = mtrr_del( map->mtrr, + map->offset, + map->size ); + DRM_DEBUG( "mtrr_del=%d\n", retcode ); + } + } + drm_ioremapfree( map->handle, map->size, dev ); + break; + case _DRM_SHM: + vfree(map->handle); + break; + + case _DRM_AGP: + /* Do nothing here, because this is all + * handled in the AGP/GART driver. + */ + break; + case _DRM_SCATTER_GATHER: + /* Handle it */ + if (drm_core_check_feature(dev, DRIVER_SG) && dev->sg) { + drm_sg_cleanup(dev->sg); + dev->sg = NULL; + } + break; + } + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + } + list_del( list ); + drm_free(r_list, sizeof(*r_list), DRM_MEM_MAPS); + } + drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS); + dev->maplist = NULL; + } + + if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist ) { + for ( i = 0 ; i < dev->queue_count ; i++ ) { + if ( dev->queuelist[i] ) { + drm_free( dev->queuelist[i], + sizeof(*dev->queuelist[0]), + DRM_MEM_QUEUES ); + dev->queuelist[i] = NULL; + } + } + drm_free( dev->queuelist, + dev->queue_slots * sizeof(*dev->queuelist), + DRM_MEM_QUEUES ); + dev->queuelist = NULL; + } + dev->queue_count = 0; + + if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + drm_dma_takedown( dev ); + + if ( dev->lock.hw_lock ) { + dev->sigdata.lock = dev->lock.hw_lock = NULL; /* SHM removed */ + dev->lock.filp = NULL; + wake_up_interruptible( &dev->lock.lock_queue ); + } + up( &dev->struct_sem ); + + return 0; +} + + + +/** + * Module initialization. Called via init_module at module load time, or via + * linux/init/main.c (this is not currently supported). + * + * \return zero on success or a negative number on failure. + * + * Initializes an array of drm_device structures, and attempts to + * initialize all available devices, using consecutive minors, registering the + * stubs and initializing the AGP device. + * + * Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and + * after the initialization for driver customization. + */ +int drm_init( struct drm_driver *driver ) +{ + struct pci_dev *pdev = NULL; + struct pci_device_id *pid; + int i; + + DRM_DEBUG( "\n" ); + + drm_mem_init(); + + for (i=0; driver->pci_driver.id_table[i].vendor != 0; i++) { + pid = (struct pci_device_id *)&driver->pci_driver.id_table[i]; + + pdev=NULL; + /* pass back in pdev to account for multiple identical cards */ + while ((pdev = pci_get_subsys(pid->vendor, pid->device, pid->subvendor, pid->subdevice, pdev)) != NULL) { + /* stealth mode requires a manual probe */ + pci_dev_get(pdev); + drm_probe(pdev, pid, driver); + } + } + return 0; +} +EXPORT_SYMBOL(drm_init); + +/** + * Called via cleanup_module() at module unload time. + * + * Cleans up all DRM device, calling takedown(). + * + * \sa drm_init(). + */ +static void drm_cleanup( drm_device_t *dev ) +{ + DRM_DEBUG( "\n" ); + + if (!dev) { + DRM_ERROR("cleanup called no dev\n"); + return; + } + + drm_takedown( dev ); + + drm_ctxbitmap_cleanup( dev ); + + if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) && + dev->agp && dev->agp->agp_mtrr >= 0) { + int retval; + retval = mtrr_del( dev->agp->agp_mtrr, + dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size*1024*1024 ); + DRM_DEBUG( "mtrr_del=%d\n", retval ); + } + + if (drm_core_has_AGP(dev) && dev->agp ) { + drm_free( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS ); + dev->agp = NULL; + } + + if (dev->driver->postcleanup) + dev->driver->postcleanup(dev); + + if ( drm_put_minor(dev) ) + DRM_ERROR( "Cannot unload module\n" ); +} + +void drm_exit (struct drm_driver *driver) +{ + int i; + drm_device_t *dev = NULL; + drm_minor_t *minor; + + DRM_DEBUG( "\n" ); + + for (i = 0; i < drm_cards_limit; i++) { + minor = &drm_minors[i]; + if (!minor->dev) + continue; + if (minor->dev->driver!=driver) + continue; + + dev = minor->dev; + + } + if (dev) { + /* release the pci driver */ + if (dev->pdev) + pci_dev_put(dev->pdev); + drm_cleanup(dev); + } + + DRM_INFO( "Module unloaded\n" ); +} +EXPORT_SYMBOL(drm_exit); + +/** File operations structure */ +static struct file_operations drm_stub_fops = { + .owner = THIS_MODULE, + .open = drm_stub_open +}; + +static int __init drm_core_init(void) +{ + int ret = -ENOMEM; + + drm_cards_limit = (drm_cards_limit < DRM_MAX_MINOR + 1 ? drm_cards_limit : DRM_MAX_MINOR + 1); + drm_minors = drm_calloc(drm_cards_limit, + sizeof(*drm_minors), DRM_MEM_STUB); + if(!drm_minors) + goto err_p1; + + if (register_chrdev(DRM_MAJOR, "drm", &drm_stub_fops)) + goto err_p1; + + drm_class = class_simple_create(THIS_MODULE, "drm"); + if (IS_ERR(drm_class)) { + printk (KERN_ERR "DRM: Error creating drm class.\n"); + ret = PTR_ERR(drm_class); + goto err_p2; + } + + drm_proc_root = create_proc_entry("dri", S_IFDIR, NULL); + if (!drm_proc_root) { + DRM_ERROR("Cannot create /proc/dri\n"); + ret = -1; + goto err_p3; + } + + DRM_INFO( "Initialized %s %d.%d.%d %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE + ); + return 0; +err_p3: + class_simple_destroy(drm_class); +err_p2: + unregister_chrdev(DRM_MAJOR, "drm"); + drm_free(drm_minors, sizeof(*drm_minors) * drm_cards_limit, DRM_MEM_STUB); +err_p1: + return ret; +} + +static void __exit drm_core_exit (void) +{ + remove_proc_entry("dri", NULL); + class_simple_destroy(drm_class); + + unregister_chrdev(DRM_MAJOR, "drm"); + + drm_free(drm_minors, sizeof(*drm_minors) * + drm_cards_limit, DRM_MEM_STUB); +} + + +module_init( drm_core_init ); +module_exit( drm_core_exit ); + + +/** + * Get version information + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_version structure. + * \return zero on success or negative number on failure. + * + * Fills in the version information in \p arg. + */ +int drm_version( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_version_t __user *argp = (void __user *)arg; + drm_version_t version; + int ret; + + if ( copy_from_user( &version, argp, sizeof(version) ) ) + return -EFAULT; + + /* version is a required function to return the personality module version */ + if ((ret = dev->driver->version(&version))) + return ret; + + if ( copy_to_user( argp, &version, sizeof(version) ) ) + return -EFAULT; + return 0; +} + + + +/** + * Called whenever a process performs an ioctl on /dev/drm. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument. + * \return zero on success or negative number on failure. + * + * Looks up the ioctl function in the ::ioctls table, checking for root + * previleges if so required, and dispatches to the respective function. + */ +int drm_ioctl( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ioctl_desc_t *ioctl; + drm_ioctl_t *func; + unsigned int nr = DRM_IOCTL_NR(cmd); + int retcode = -EINVAL; + + atomic_inc( &dev->ioctl_count ); + atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] ); + ++priv->ioctl_count; + + DRM_DEBUG( "pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%lx, auth=%d\n", + current->pid, cmd, nr, (long)old_encode_dev(dev->device), + priv->authenticated ); + + if (nr < DRIVER_IOCTL_COUNT) + ioctl = &drm_ioctls[nr]; + else if ((nr >= DRM_COMMAND_BASE) || (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) + ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE]; + else + goto err_i1; + + func = ioctl->func; + /* is there a local override? */ + if ((nr == DRM_IOCTL_NR(DRM_IOCTL_DMA)) && dev->driver->dma_ioctl) + func = dev->driver->dma_ioctl; + + if ( !func ) { + DRM_DEBUG( "no function\n" ); + retcode = -EINVAL; + } else if ( ( ioctl->root_only && !capable( CAP_SYS_ADMIN ) )|| + ( ioctl->auth_needed && !priv->authenticated ) ) { + retcode = -EACCES; + } else { + retcode = func( inode, filp, cmd, arg ); + } + +err_i1: + atomic_dec( &dev->ioctl_count ); + if (retcode) DRM_DEBUG( "ret = %x\n", retcode); + return retcode; +} +EXPORT_SYMBOL(drm_ioctl); + diff -Nru a/drivers/char/drm/drm_drv.h b/drivers/char/drm/drm_drv.h --- a/drivers/char/drm/drm_drv.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,1060 +0,0 @@ -/** - * \file drm_drv.h - * Generic driver template - * - * \author Rickard E. (Rik) Faith - * \author Gareth Hughes - * - * To use this template, you must at least define the following (samples - * given for the MGA driver): - * - * \code - * #define DRIVER_AUTHOR "VA Linux Systems, Inc." - * - * #define DRIVER_NAME "mga" - * #define DRIVER_DESC "Matrox G200/G400" - * #define DRIVER_DATE "20001127" - * - * #define DRIVER_MAJOR 2 - * #define DRIVER_MINOR 0 - * #define DRIVER_PATCHLEVEL 2 - * - * #define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( mga_ioctls ) - * - * #define DRM(x) mga_##x - * \endcode - */ - -/* - * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com - * - * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#ifndef DRIVER_IOCTLS -#define DRIVER_IOCTLS -#endif - -#ifndef MODULE -/** Use an additional macro to avoid preprocessor troubles */ -#define DRM_OPTIONS_FUNC DRM(options) -/** - * Called by the kernel to parse command-line options passed via the - * boot-loader (e.g., LILO). It calls the insmod option routine, - * parse_options(). - */ -static int __init DRM(options)( char *str ) -{ - DRM(parse_options)( str ); - return 1; -} - -__setup( DRIVER_NAME "=", DRM_OPTIONS_FUNC ); -#undef DRM_OPTIONS_FUNC -#endif - -#define MAX_DEVICES 4 -static drm_device_t DRM(device)[MAX_DEVICES]; -static int DRM(numdevs) = 0; - -struct file_operations DRM(fops) = { - .owner = THIS_MODULE, - .open = DRM(open), - .flush = DRM(flush), - .release = DRM(release), - .ioctl = DRM(ioctl), - .mmap = DRM(mmap), - .fasync = DRM(fasync), - .poll = DRM(poll), - .read = DRM(read), -}; - -/** Ioctl table */ -drm_ioctl_desc_t DRM(ioctls)[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { DRM(version), 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { DRM(getunique), 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { DRM(getmagic), 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { DRM(irq_by_busid), 0, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = { DRM(getmap), 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = { DRM(getclient), 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { DRM(getstats), 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)] = { DRM(setversion), 0, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { DRM(setunique), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { DRM(noop), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { DRM(noop), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { DRM(authmagic), 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { DRM(addmap), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { DRM(rmmap), 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { DRM(setsareactx), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { DRM(getsareactx), 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { DRM(addctx), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { DRM(rmctx), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { DRM(modctx), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { DRM(getctx), 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { DRM(switchctx), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { DRM(newctx), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { DRM(resctx), 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { DRM(adddraw), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { DRM(rmdraw), 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { DRM(lock), 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { DRM(unlock), 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { DRM(noop), 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { DRM(addbufs), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { DRM(markbufs), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { DRM(infobufs), 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { DRM(mapbufs), 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { DRM(freebufs), 1, 0 }, - /* The DRM_IOCTL_DMA ioctl should be defined by the driver. */ - - [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { DRM(control), 1, 1 }, - -#if __OS_HAS_AGP - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { DRM(agp_acquire), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { DRM(agp_release), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { DRM(agp_enable), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { DRM(agp_info), 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { DRM(agp_alloc), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { DRM(agp_free), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { DRM(agp_bind), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { DRM(agp_unbind), 1, 1 }, -#endif - - [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { DRM(sg_alloc), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { DRM(sg_free), 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = { DRM(wait_vblank), 0, 0 }, - - DRIVER_IOCTLS -}; - -#define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( DRM(ioctls) ) - -#ifdef MODULE -static char *drm_opts = NULL; -#endif - -MODULE_AUTHOR( DRIVER_AUTHOR ); -MODULE_DESCRIPTION( DRIVER_DESC ); -MODULE_PARM( drm_opts, "s" ); -MODULE_LICENSE("GPL and additional rights"); - -static int DRM(setup)( drm_device_t *dev ) -{ - int i; - int ret; - - if (dev->fn_tbl.presetup) - { - ret=dev->fn_tbl.presetup(dev); - if (ret!=0) - return ret; - } - - atomic_set( &dev->ioctl_count, 0 ); - atomic_set( &dev->vma_count, 0 ); - dev->buf_use = 0; - atomic_set( &dev->buf_alloc, 0 ); - - if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) - { - i = DRM(dma_setup)( dev ); - if ( i < 0 ) - return i; - } - - for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ ) - atomic_set( &dev->counts[i], 0 ); - - for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) { - dev->magiclist[i].head = NULL; - dev->magiclist[i].tail = NULL; - } - - dev->maplist = DRM(alloc)(sizeof(*dev->maplist), - DRM_MEM_MAPS); - if(dev->maplist == NULL) return -ENOMEM; - memset(dev->maplist, 0, sizeof(*dev->maplist)); - INIT_LIST_HEAD(&dev->maplist->head); - - dev->ctxlist = DRM(alloc)(sizeof(*dev->ctxlist), - DRM_MEM_CTXLIST); - if(dev->ctxlist == NULL) return -ENOMEM; - memset(dev->ctxlist, 0, sizeof(*dev->ctxlist)); - INIT_LIST_HEAD(&dev->ctxlist->head); - - dev->vmalist = NULL; - dev->sigdata.lock = dev->lock.hw_lock = NULL; - init_waitqueue_head( &dev->lock.lock_queue ); - dev->queue_count = 0; - dev->queue_reserved = 0; - dev->queue_slots = 0; - dev->queuelist = NULL; - dev->irq_enabled = 0; - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - dev->last_context = 0; - dev->last_switch = 0; - dev->last_checked = 0; - init_waitqueue_head( &dev->context_wait ); - dev->if_version = 0; - - dev->ctx_start = 0; - dev->lck_start = 0; - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_async = NULL; - init_waitqueue_head( &dev->buf_readers ); - init_waitqueue_head( &dev->buf_writers ); - - DRM_DEBUG( "\n" ); - - /* - * The kernel's context could be created here, but is now created - * in drm_dma_enqueue. This is more resource-efficient for - * hardware that does not do DMA, but may mean that - * drm_select_queue fails between the time the interrupt is - * initialized and the time the queues are initialized. - */ - if (dev->fn_tbl.postsetup) - dev->fn_tbl.postsetup(dev); - - return 0; -} - - -/** - * Take down the DRM device. - * - * \param dev DRM device structure. - * - * Frees every resource in \p dev. - * - * \sa drm_device and setup(). - */ -static int DRM(takedown)( drm_device_t *dev ) -{ - drm_magic_entry_t *pt, *next; - drm_map_t *map; - drm_map_list_t *r_list; - struct list_head *list, *list_next; - drm_vma_entry_t *vma, *vma_next; - int i; - - DRM_DEBUG( "\n" ); - - if (dev->fn_tbl.pretakedown) - dev->fn_tbl.pretakedown(dev); - - if ( dev->irq_enabled ) DRM(irq_uninstall)( dev ); - - down( &dev->struct_sem ); - del_timer( &dev->timer ); - - if ( dev->devname ) { - DRM(free)( dev->devname, strlen( dev->devname ) + 1, - DRM_MEM_DRIVER ); - dev->devname = NULL; - } - - if ( dev->unique ) { - DRM(free)( dev->unique, strlen( dev->unique ) + 1, - DRM_MEM_DRIVER ); - dev->unique = NULL; - dev->unique_len = 0; - } - /* Clear pid list */ - for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) { - for ( pt = dev->magiclist[i].head ; pt ; pt = next ) { - next = pt->next; - DRM(free)( pt, sizeof(*pt), DRM_MEM_MAGIC ); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } - - /* Clear AGP information */ - if (drm_core_has_AGP(dev) && dev->agp) { - drm_agp_mem_t *entry; - drm_agp_mem_t *nexte; - - /* Remove AGP resources, but leave dev->agp - intact until drv_cleanup is called. */ - for ( entry = dev->agp->memory ; entry ; entry = nexte ) { - nexte = entry->next; - if ( entry->bound ) DRM(unbind_agp)( entry->memory ); - DRM(free_agp)( entry->memory, entry->pages ); - DRM(free)( entry, sizeof(*entry), DRM_MEM_AGPLISTS ); - } - dev->agp->memory = NULL; - - if ( dev->agp->acquired ) DRM(agp_do_release)(); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } - - /* Clear vma list (only built for debugging) */ - if ( dev->vmalist ) { - for ( vma = dev->vmalist ; vma ; vma = vma_next ) { - vma_next = vma->next; - DRM(free)( vma, sizeof(*vma), DRM_MEM_VMAS ); - } - dev->vmalist = NULL; - } - - if( dev->maplist ) { - list_for_each_safe( list, list_next, &dev->maplist->head ) { - r_list = (drm_map_list_t *)list; - - if ( ( map = r_list->map ) ) { - switch ( map->type ) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: - if (drm_core_has_MTRR(dev)) { - if ( map->mtrr >= 0 ) { - int retcode; - retcode = mtrr_del( map->mtrr, - map->offset, - map->size ); - DRM_DEBUG( "mtrr_del=%d\n", retcode ); - } - } - DRM(ioremapfree)( map->handle, map->size, dev ); - break; - case _DRM_SHM: - vfree(map->handle); - break; - - case _DRM_AGP: - /* Do nothing here, because this is all - * handled in the AGP/GART driver. - */ - break; - case _DRM_SCATTER_GATHER: - /* Handle it */ - if (drm_core_check_feature(dev, DRIVER_SG) && dev->sg) { - DRM(sg_cleanup)(dev->sg); - dev->sg = NULL; - } - break; - } - DRM(free)(map, sizeof(*map), DRM_MEM_MAPS); - } - list_del( list ); - DRM(free)(r_list, sizeof(*r_list), DRM_MEM_MAPS); - } - DRM(free)(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS); - dev->maplist = NULL; - } - - if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist ) { - for ( i = 0 ; i < dev->queue_count ; i++ ) { - if ( dev->queuelist[i] ) { - DRM(free)( dev->queuelist[i], - sizeof(*dev->queuelist[0]), - DRM_MEM_QUEUES ); - dev->queuelist[i] = NULL; - } - } - DRM(free)( dev->queuelist, - dev->queue_slots * sizeof(*dev->queuelist), - DRM_MEM_QUEUES ); - dev->queuelist = NULL; - } - dev->queue_count = 0; - - if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) - DRM(dma_takedown)( dev ); - - if ( dev->lock.hw_lock ) { - dev->sigdata.lock = dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.filp = NULL; - wake_up_interruptible( &dev->lock.lock_queue ); - } - up( &dev->struct_sem ); - - return 0; -} - -static void DRM(init_fn_table)(struct drm_device *dev) -{ - dev->fn_tbl.reclaim_buffers = DRM(core_reclaim_buffers); - dev->fn_tbl.get_map_ofs = DRM(core_get_map_ofs); - dev->fn_tbl.get_reg_ofs = DRM(core_get_reg_ofs); -} - -#include "drm_pciids.h" - -static struct pci_device_id DRM(pciidlist)[] = { - DRM(PCI_IDS) -}; - -static int DRM(probe)(struct pci_dev *pdev) -{ - drm_device_t *dev; - int retcode; - int i; - int is_compat = 0; - - DRM_DEBUG( "\n" ); - - for (i = 0; DRM(pciidlist)[i].vendor != 0; i++) { - if ((DRM(pciidlist)[i].vendor == pdev->vendor) && - (DRM(pciidlist)[i].device == pdev->device)) { - is_compat = 1; - } - } - if (is_compat == 0) - return -ENODEV; - - if (DRM(numdevs) >= MAX_DEVICES) - return -ENODEV; - - if ((retcode=pci_enable_device(pdev))) - return retcode; - - dev = &(DRM(device)[DRM(numdevs)]); - - memset( (void *)dev, 0, sizeof(*dev) ); - dev->count_lock = SPIN_LOCK_UNLOCKED; - init_timer( &dev->timer ); - sema_init( &dev->struct_sem, 1 ); - sema_init( &dev->ctxlist_sem, 1 ); - - if ((dev->minor = DRM(stub_register)(DRIVER_NAME, &DRM(fops),dev)) < 0) - return -EPERM; - dev->device = MKDEV(DRM_MAJOR, dev->minor ); - dev->name = DRIVER_NAME; - - dev->pdev = pdev; -#ifdef __alpha__ - dev->hose = pdev->sysdata; - dev->pci_domain = dev->hose->bus->number; -#else - dev->pci_domain = 0; -#endif - dev->pci_bus = pdev->bus->number; - dev->pci_slot = PCI_SLOT(pdev->devfn); - dev->pci_func = PCI_FUNC(pdev->devfn); - dev->irq = pdev->irq; - - /* dev_priv_size can be changed by a driver in driver_register_fns */ - dev->dev_priv_size = sizeof(u32); - - /* the DRM has 6 basic counters - drivers add theirs in register_fns */ - dev->counters = 6; - dev->types[0] = _DRM_STAT_LOCK; - dev->types[1] = _DRM_STAT_OPENS; - dev->types[2] = _DRM_STAT_CLOSES; - dev->types[3] = _DRM_STAT_IOCTLS; - dev->types[4] = _DRM_STAT_LOCKS; - dev->types[5] = _DRM_STAT_UNLOCKS; - - DRM(init_fn_table)(dev); - - DRM(driver_register_fns)(dev); - - if (dev->fn_tbl.preinit) - dev->fn_tbl.preinit(dev); - - if (drm_core_has_AGP(dev)) - { - dev->agp = DRM(agp_init)(); - if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) && (dev->agp == NULL)) { - DRM_ERROR( "Cannot initialize the agpgart module.\n" ); - DRM(stub_unregister)(dev->minor); - DRM(takedown)( dev ); - return -EINVAL; - } - if (drm_core_has_MTRR(dev)) { - if (dev->agp) - dev->agp->agp_mtrr = mtrr_add( dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size*1024*1024, - MTRR_TYPE_WRCOMB, - 1 ); - } - } - - retcode = DRM(ctxbitmap_init)( dev ); - if( retcode ) { - DRM_ERROR( "Cannot allocate memory for context bitmap.\n" ); - DRM(stub_unregister)(dev->minor); - DRM(takedown)( dev ); - return retcode; - } - - DRM(numdevs)++; /* no errors, mark it reserved */ - - DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", - DRIVER_NAME, - DRIVER_MAJOR, - DRIVER_MINOR, - DRIVER_PATCHLEVEL, - DRIVER_DATE, - dev->minor, - pci_pretty_name(pdev)); - - if (dev->fn_tbl.postinit) - dev->fn_tbl.postinit(dev); - - return 0; -} - -/** - * Module initialization. Called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). - * - * \return zero on success or a negative number on failure. - * - * Initializes an array of drm_device structures, and attempts to - * initialize all available devices, using consecutive minors, registering the - * stubs and initializing the AGP device. - * - * Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and - * after the initialization for driver customization. - */ -static int __init drm_init( void ) -{ - struct pci_dev *pdev = NULL; - - DRM_DEBUG( "\n" ); - -#ifdef MODULE - DRM(parse_options)( drm_opts ); -#endif - - DRM(mem_init)(); - - for_each_pci_dev(pdev) - DRM(probe)(pdev); - return 0; -} - -/** - * Called via cleanup_module() at module unload time. - * - * Cleans up all DRM device, calling takedown(). - * - * \sa drm_init(). - */ -static void __exit drm_cleanup( void ) -{ - drm_device_t *dev; - int i; - - DRM_DEBUG( "\n" ); - - for (i = DRM(numdevs) - 1; i >= 0; i--) { - dev = &(DRM(device)[i]); - if ( DRM(stub_unregister)(dev->minor) ) { - DRM_ERROR( "Cannot unload module\n" ); - } else { - DRM_DEBUG("minor %d unregistered\n", dev->minor); - if (i == 0) { - DRM_INFO( "Module unloaded\n" ); - } - } - - DRM(ctxbitmap_cleanup)( dev ); - - if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) && - dev->agp && dev->agp->agp_mtrr >= 0) { - int retval; - retval = mtrr_del( dev->agp->agp_mtrr, - dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size*1024*1024 ); - DRM_DEBUG( "mtrr_del=%d\n", retval ); - } - - DRM(takedown)( dev ); - - if (drm_core_has_AGP(dev) && dev->agp ) { - DRM(agp_uninit)(); - DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS ); - dev->agp = NULL; - } - - if (dev->fn_tbl.postcleanup) - dev->fn_tbl.postcleanup(dev); - - } - DRM(numdevs) = 0; -} - -module_init( drm_init ); -module_exit( drm_cleanup ); - - -/** - * Get version information - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument, pointing to a drm_version structure. - * \return zero on success or negative number on failure. - * - * Fills in the version information in \p arg. - */ -int DRM(version)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_version_t __user *argp = (void __user *)arg; - drm_version_t version; - int len; - - if ( copy_from_user( &version, argp, sizeof(version) ) ) - return -EFAULT; - -#define DRM_COPY( name, value ) \ - len = strlen( value ); \ - if ( len > name##_len ) len = name##_len; \ - name##_len = strlen( value ); \ - if ( len && name ) { \ - if ( copy_to_user( name, value, len ) ) \ - return -EFAULT; \ - } - - version.version_major = DRIVER_MAJOR; - version.version_minor = DRIVER_MINOR; - version.version_patchlevel = DRIVER_PATCHLEVEL; - - DRM_COPY( version.name, DRIVER_NAME ); - DRM_COPY( version.date, DRIVER_DATE ); - DRM_COPY( version.desc, DRIVER_DESC ); - - if ( copy_to_user( argp, &version, sizeof(version) ) ) - return -EFAULT; - return 0; -} - -/** - * Open file. - * - * \param inode device inode - * \param filp file pointer. - * \return zero on success or a negative number on failure. - * - * Searches the DRM device with the same minor number, calls open_helper(), and - * increments the device open count. If the open count was previous at zero, - * i.e., it's the first that the device is open, then calls setup(). - */ -int DRM(open)( struct inode *inode, struct file *filp ) -{ - drm_device_t *dev = NULL; - int retcode = 0; - int i; - - for (i = 0; i < DRM(numdevs); i++) { - if (iminor(inode) == DRM(device)[i].minor) { - dev = &(DRM(device)[i]); - break; - } - } - if (!dev) { - return -ENODEV; - } - - retcode = DRM(open_helper)( inode, filp, dev ); - if ( !retcode ) { - atomic_inc( &dev->counts[_DRM_STAT_OPENS] ); - spin_lock( &dev->count_lock ); - if ( !dev->open_count++ ) { - spin_unlock( &dev->count_lock ); - return DRM(setup)( dev ); - } - spin_unlock( &dev->count_lock ); - } - - return retcode; -} - -/** - * Release file. - * - * \param inode device inode - * \param filp file pointer. - * \return zero on success or a negative number on failure. - * - * If the hardware lock is held then free it, and take it again for the kernel - * context since it's necessary to reclaim buffers. Unlink the file private - * data from its list and free it. Decreases the open count and if it reaches - * zero calls takedown(). - */ -int DRM(release)( struct inode *inode, struct file *filp ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - int retcode = 0; - - lock_kernel(); - dev = priv->dev; - - DRM_DEBUG( "open_count = %d\n", dev->open_count ); - - if (dev->fn_tbl.prerelease) - dev->fn_tbl.prerelease(dev, filp); - - /* ======================================================== - * Begin inline drm_release - */ - - DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n", - current->pid, (long)old_encode_dev(dev->device), dev->open_count ); - - if ( priv->lock_count && dev->lock.hw_lock && - _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) && - dev->lock.filp == filp ) { - DRM_DEBUG( "File %p released, freeing lock for context %d\n", - filp, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) ); - - if (dev->fn_tbl.release) - dev->fn_tbl.release(dev, filp); - - DRM(lock_free)( dev, &dev->lock.hw_lock->lock, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) ); - - /* FIXME: may require heavy-handed reset of - hardware at this point, possibly - processed via a callback to the X - server. */ - } - else if ( dev->fn_tbl.release && priv->lock_count && dev->lock.hw_lock ) { - /* The lock is required to reclaim buffers */ - DECLARE_WAITQUEUE( entry, current ); - - add_wait_queue( &dev->lock.lock_queue, &entry ); - for (;;) { - __set_current_state(TASK_INTERRUPTIBLE); - if ( !dev->lock.hw_lock ) { - /* Device has been unregistered */ - retcode = -EINTR; - break; - } - if ( DRM(lock_take)( &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT ) ) { - dev->lock.filp = filp; - dev->lock.lock_time = jiffies; - atomic_inc( &dev->counts[_DRM_STAT_LOCKS] ); - break; /* Got lock */ - } - /* Contention */ - schedule(); - if ( signal_pending( current ) ) { - retcode = -ERESTARTSYS; - break; - } - } - __set_current_state(TASK_RUNNING); - remove_wait_queue( &dev->lock.lock_queue, &entry ); - if( !retcode ) { - if (dev->fn_tbl.release) - dev->fn_tbl.release(dev, filp); - DRM(lock_free)( dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT ); - } - } - - if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) - { - dev->fn_tbl.reclaim_buffers(filp); - } - - DRM(fasync)( -1, filp, 0 ); - - down( &dev->ctxlist_sem ); - if ( !list_empty( &dev->ctxlist->head ) ) { - drm_ctx_list_t *pos, *n; - - list_for_each_entry_safe( pos, n, &dev->ctxlist->head, head ) { - if ( pos->tag == priv && - pos->handle != DRM_KERNEL_CONTEXT ) { - if (dev->fn_tbl.context_dtor) - dev->fn_tbl.context_dtor(dev, pos->handle); - - DRM(ctxbitmap_free)( dev, pos->handle ); - - list_del( &pos->head ); - DRM(free)( pos, sizeof(*pos), DRM_MEM_CTXLIST ); - --dev->ctx_count; - } - } - } - up( &dev->ctxlist_sem ); - - down( &dev->struct_sem ); - if ( priv->remove_auth_on_close == 1 ) { - drm_file_t *temp = dev->file_first; - while ( temp ) { - temp->authenticated = 0; - temp = temp->next; - } - } - if ( priv->prev ) { - priv->prev->next = priv->next; - } else { - dev->file_first = priv->next; - } - if ( priv->next ) { - priv->next->prev = priv->prev; - } else { - dev->file_last = priv->prev; - } - up( &dev->struct_sem ); - - if (dev->fn_tbl.free_filp_priv) - dev->fn_tbl.free_filp_priv(dev, priv); - - DRM(free)( priv, sizeof(*priv), DRM_MEM_FILES ); - - /* ======================================================== - * End inline drm_release - */ - - atomic_inc( &dev->counts[_DRM_STAT_CLOSES] ); - spin_lock( &dev->count_lock ); - if ( !--dev->open_count ) { - if ( atomic_read( &dev->ioctl_count ) || dev->blocked ) { - DRM_ERROR( "Device busy: %d %d\n", - atomic_read( &dev->ioctl_count ), - dev->blocked ); - spin_unlock( &dev->count_lock ); - unlock_kernel(); - return -EBUSY; - } - spin_unlock( &dev->count_lock ); - unlock_kernel(); - return DRM(takedown)( dev ); - } - spin_unlock( &dev->count_lock ); - - unlock_kernel(); - - return retcode; -} - -/** - * Called whenever a process performs an ioctl on /dev/drm. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument. - * \return zero on success or negative number on failure. - * - * Looks up the ioctl function in the ::ioctls table, checking for root - * previleges if so required, and dispatches to the respective function. - */ -int DRM(ioctl)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ioctl_desc_t *ioctl; - drm_ioctl_t *func; - int nr = DRM_IOCTL_NR(cmd); - int retcode = 0; - - atomic_inc( &dev->ioctl_count ); - atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] ); - ++priv->ioctl_count; - - DRM_DEBUG( "pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%lx, auth=%d\n", - current->pid, cmd, nr, (long)old_encode_dev(dev->device), - priv->authenticated ); - - if ( nr >= DRIVER_IOCTL_COUNT ) { - retcode = -EINVAL; - } else { - ioctl = &DRM(ioctls)[nr]; - func = ioctl->func; - - if ( !func ) { - DRM_DEBUG( "no function\n" ); - retcode = -EINVAL; - } else if ( ( ioctl->root_only && !capable( CAP_SYS_ADMIN ) )|| - ( ioctl->auth_needed && !priv->authenticated ) ) { - retcode = -EACCES; - } else { - retcode = func( inode, filp, cmd, arg ); - } - } - - atomic_dec( &dev->ioctl_count ); - return retcode; -} - -/** - * Lock ioctl. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument, pointing to a drm_lock structure. - * \return zero on success or negative number on failure. - * - * Add the current task to the lock wait queue, and attempt to take to lock. - */ -int DRM(lock)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - DECLARE_WAITQUEUE( entry, current ); - drm_lock_t lock; - int ret = 0; - - ++priv->lock_count; - - if ( copy_from_user( &lock, (drm_lock_t __user *)arg, sizeof(lock) ) ) - return -EFAULT; - - if ( lock.context == DRM_KERNEL_CONTEXT ) { - DRM_ERROR( "Process %d using kernel context %d\n", - current->pid, lock.context ); - return -EINVAL; - } - - DRM_DEBUG( "%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", - lock.context, current->pid, - dev->lock.hw_lock->lock, lock.flags ); - - if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE)) - if ( lock.context < 0 ) - return -EINVAL; - - add_wait_queue( &dev->lock.lock_queue, &entry ); - for (;;) { - __set_current_state(TASK_INTERRUPTIBLE); - if ( !dev->lock.hw_lock ) { - /* Device has been unregistered */ - ret = -EINTR; - break; - } - if ( DRM(lock_take)( &dev->lock.hw_lock->lock, - lock.context ) ) { - dev->lock.filp = filp; - dev->lock.lock_time = jiffies; - atomic_inc( &dev->counts[_DRM_STAT_LOCKS] ); - break; /* Got lock */ - } - - /* Contention */ - schedule(); - if ( signal_pending( current ) ) { - ret = -ERESTARTSYS; - break; - } - } - __set_current_state(TASK_RUNNING); - remove_wait_queue( &dev->lock.lock_queue, &entry ); - - sigemptyset( &dev->sigmask ); - sigaddset( &dev->sigmask, SIGSTOP ); - sigaddset( &dev->sigmask, SIGTSTP ); - sigaddset( &dev->sigmask, SIGTTIN ); - sigaddset( &dev->sigmask, SIGTTOU ); - dev->sigdata.context = lock.context; - dev->sigdata.lock = dev->lock.hw_lock; - block_all_signals( DRM(notifier), - &dev->sigdata, &dev->sigmask ); - - if (dev->fn_tbl.dma_ready && (lock.flags & _DRM_LOCK_READY)) - dev->fn_tbl.dma_ready(dev); - - if ( dev->fn_tbl.dma_quiescent && (lock.flags & _DRM_LOCK_QUIESCENT )) - return dev->fn_tbl.dma_quiescent(dev); - - /* dev->fn_tbl.kernel_context_switch isn't used by any of the x86 - * drivers but is used by the Sparc driver. - */ - - if (dev->fn_tbl.kernel_context_switch && - dev->last_context != lock.context) { - dev->fn_tbl.kernel_context_switch(dev, dev->last_context, - lock.context); - } - DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" ); - - return ret; -} - -/** - * Unlock ioctl. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument, pointing to a drm_lock structure. - * \return zero on success or negative number on failure. - * - * Transfer and free the lock. - */ -int DRM(unlock)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - - if ( copy_from_user( &lock, (drm_lock_t __user *)arg, sizeof(lock) ) ) - return -EFAULT; - - if ( lock.context == DRM_KERNEL_CONTEXT ) { - DRM_ERROR( "Process %d using kernel context %d\n", - current->pid, lock.context ); - return -EINVAL; - } - - atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] ); - - /* kernel_context_switch isn't used by any of the x86 drm - * modules but is required by the Sparc driver. - */ - if (dev->fn_tbl.kernel_context_switch_unlock) - dev->fn_tbl.kernel_context_switch_unlock(dev, &lock); - else { - DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT ); - - if ( DRM(lock_free)( dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT ) ) { - DRM_ERROR( "\n" ); - } - } - - unblock_all_signals(); - return 0; -} diff -Nru a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_fops.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,449 @@ +/** + * \file drm_fops.h + * File operations for DRM + * + * \author Rickard E. (Rik) Faith + * \author Daryll Strauss + * \author Gareth Hughes + */ + +/* + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" +#include + +static int drm_setup( drm_device_t *dev ) +{ + int i; + int ret; + + if (dev->driver->presetup) + { + ret=dev->driver->presetup(dev); + if (ret!=0) + return ret; + } + + atomic_set( &dev->ioctl_count, 0 ); + atomic_set( &dev->vma_count, 0 ); + dev->buf_use = 0; + atomic_set( &dev->buf_alloc, 0 ); + + if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + { + i = drm_dma_setup( dev ); + if ( i < 0 ) + return i; + } + + for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ ) + atomic_set( &dev->counts[i], 0 ); + + for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) { + dev->magiclist[i].head = NULL; + dev->magiclist[i].tail = NULL; + } + + dev->maplist = drm_alloc(sizeof(*dev->maplist), + DRM_MEM_MAPS); + if(dev->maplist == NULL) return -ENOMEM; + memset(dev->maplist, 0, sizeof(*dev->maplist)); + INIT_LIST_HEAD(&dev->maplist->head); + + dev->ctxlist = drm_alloc(sizeof(*dev->ctxlist), + DRM_MEM_CTXLIST); + if(dev->ctxlist == NULL) return -ENOMEM; + memset(dev->ctxlist, 0, sizeof(*dev->ctxlist)); + INIT_LIST_HEAD(&dev->ctxlist->head); + + dev->vmalist = NULL; + dev->sigdata.lock = dev->lock.hw_lock = NULL; + init_waitqueue_head( &dev->lock.lock_queue ); + dev->queue_count = 0; + dev->queue_reserved = 0; + dev->queue_slots = 0; + dev->queuelist = NULL; + dev->irq_enabled = 0; + dev->context_flag = 0; + dev->interrupt_flag = 0; + dev->dma_flag = 0; + dev->last_context = 0; + dev->last_switch = 0; + dev->last_checked = 0; + init_waitqueue_head( &dev->context_wait ); + dev->if_version = 0; + + dev->ctx_start = 0; + dev->lck_start = 0; + + dev->buf_rp = dev->buf; + dev->buf_wp = dev->buf; + dev->buf_end = dev->buf + DRM_BSZ; + dev->buf_async = NULL; + init_waitqueue_head( &dev->buf_readers ); + init_waitqueue_head( &dev->buf_writers ); + + DRM_DEBUG( "\n" ); + + /* + * The kernel's context could be created here, but is now created + * in drm_dma_enqueue. This is more resource-efficient for + * hardware that does not do DMA, but may mean that + * drm_select_queue fails between the time the interrupt is + * initialized and the time the queues are initialized. + */ + if (dev->driver->postsetup) + dev->driver->postsetup(dev); + + return 0; +} + +/** + * Open file. + * + * \param inode device inode + * \param filp file pointer. + * \return zero on success or a negative number on failure. + * + * Searches the DRM device with the same minor number, calls open_helper(), and + * increments the device open count. If the open count was previous at zero, + * i.e., it's the first that the device is open, then calls setup(). + */ +int drm_open( struct inode *inode, struct file *filp ) +{ + drm_device_t *dev = NULL; + int minor = iminor(inode); + int retcode = 0; + + if (!((minor >= 0) && (minor < drm_cards_limit))) + return -ENODEV; + + dev = drm_minors[minor].dev; + if (!dev) + return -ENODEV; + + retcode = drm_open_helper( inode, filp, dev ); + if ( !retcode ) { + atomic_inc( &dev->counts[_DRM_STAT_OPENS] ); + spin_lock( &dev->count_lock ); + if ( !dev->open_count++ ) { + spin_unlock( &dev->count_lock ); + return drm_setup( dev ); + } + spin_unlock( &dev->count_lock ); + } + + return retcode; +} +EXPORT_SYMBOL(drm_open); + +/** + * Release file. + * + * \param inode device inode + * \param filp file pointer. + * \return zero on success or a negative number on failure. + * + * If the hardware lock is held then free it, and take it again for the kernel + * context since it's necessary to reclaim buffers. Unlink the file private + * data from its list and free it. Decreases the open count and if it reaches + * zero calls takedown(). + */ +int drm_release( struct inode *inode, struct file *filp ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + int retcode = 0; + + lock_kernel(); + dev = priv->dev; + + DRM_DEBUG( "open_count = %d\n", dev->open_count ); + + if (dev->driver->prerelease) + dev->driver->prerelease(dev, filp); + + /* ======================================================== + * Begin inline drm_release + */ + + DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n", + current->pid, (long)old_encode_dev(dev->device), dev->open_count ); + + if ( priv->lock_count && dev->lock.hw_lock && + _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) && + dev->lock.filp == filp ) { + DRM_DEBUG( "File %p released, freeing lock for context %d\n", + filp, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) ); + + if (dev->driver->release) + dev->driver->release(dev, filp); + + drm_lock_free( dev, &dev->lock.hw_lock->lock, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) ); + + /* FIXME: may require heavy-handed reset of + hardware at this point, possibly + processed via a callback to the X + server. */ + } + else if ( dev->driver->release && priv->lock_count && dev->lock.hw_lock ) { + /* The lock is required to reclaim buffers */ + DECLARE_WAITQUEUE( entry, current ); + + add_wait_queue( &dev->lock.lock_queue, &entry ); + for (;;) { + __set_current_state(TASK_INTERRUPTIBLE); + if ( !dev->lock.hw_lock ) { + /* Device has been unregistered */ + retcode = -EINTR; + break; + } + if ( drm_lock_take( &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ) ) { + dev->lock.filp = filp; + dev->lock.lock_time = jiffies; + atomic_inc( &dev->counts[_DRM_STAT_LOCKS] ); + break; /* Got lock */ + } + /* Contention */ + schedule(); + if ( signal_pending( current ) ) { + retcode = -ERESTARTSYS; + break; + } + } + __set_current_state(TASK_RUNNING); + remove_wait_queue( &dev->lock.lock_queue, &entry ); + if( !retcode ) { + if (dev->driver->release) + dev->driver->release(dev, filp); + drm_lock_free( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ); + } + } + + if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + { + dev->driver->reclaim_buffers(filp); + } + + drm_fasync( -1, filp, 0 ); + + down( &dev->ctxlist_sem ); + if ( !list_empty( &dev->ctxlist->head ) ) { + drm_ctx_list_t *pos, *n; + + list_for_each_entry_safe( pos, n, &dev->ctxlist->head, head ) { + if ( pos->tag == priv && + pos->handle != DRM_KERNEL_CONTEXT ) { + if (dev->driver->context_dtor) + dev->driver->context_dtor(dev, pos->handle); + + drm_ctxbitmap_free( dev, pos->handle ); + + list_del( &pos->head ); + drm_free( pos, sizeof(*pos), DRM_MEM_CTXLIST ); + --dev->ctx_count; + } + } + } + up( &dev->ctxlist_sem ); + + down( &dev->struct_sem ); + if ( priv->remove_auth_on_close == 1 ) { + drm_file_t *temp = dev->file_first; + while ( temp ) { + temp->authenticated = 0; + temp = temp->next; + } + } + if ( priv->prev ) { + priv->prev->next = priv->next; + } else { + dev->file_first = priv->next; + } + if ( priv->next ) { + priv->next->prev = priv->prev; + } else { + dev->file_last = priv->prev; + } + up( &dev->struct_sem ); + + if (dev->driver->free_filp_priv) + dev->driver->free_filp_priv(dev, priv); + + drm_free( priv, sizeof(*priv), DRM_MEM_FILES ); + + /* ======================================================== + * End inline drm_release + */ + + atomic_inc( &dev->counts[_DRM_STAT_CLOSES] ); + spin_lock( &dev->count_lock ); + if ( !--dev->open_count ) { + if ( atomic_read( &dev->ioctl_count ) || dev->blocked ) { + DRM_ERROR( "Device busy: %d %d\n", + atomic_read( &dev->ioctl_count ), + dev->blocked ); + spin_unlock( &dev->count_lock ); + unlock_kernel(); + return -EBUSY; + } + spin_unlock( &dev->count_lock ); + unlock_kernel(); + return drm_takedown( dev ); + } + spin_unlock( &dev->count_lock ); + + unlock_kernel(); + + return retcode; +} +EXPORT_SYMBOL(drm_release); + +/** + * Called whenever a process opens /dev/drm. + * + * \param inode device inode. + * \param filp file pointer. + * \param dev device. + * \return zero on success or a negative number on failure. + * + * Creates and initializes a drm_file structure for the file private data in \p + * filp and add it into the double linked list in \p dev. + */ +int drm_open_helper(struct inode *inode, struct file *filp, drm_device_t *dev) +{ + int minor = iminor(inode); + drm_file_t *priv; + int ret; + + if (filp->f_flags & O_EXCL) return -EBUSY; /* No exclusive opens */ + if (!drm_cpu_valid()) return -EINVAL; + + DRM_DEBUG("pid = %d, minor = %d\n", current->pid, minor); + + priv = drm_alloc(sizeof(*priv), DRM_MEM_FILES); + if(!priv) return -ENOMEM; + + memset(priv, 0, sizeof(*priv)); + filp->private_data = priv; + priv->uid = current->euid; + priv->pid = current->pid; + priv->minor = minor; + priv->dev = dev; + priv->ioctl_count = 0; + priv->authenticated = capable(CAP_SYS_ADMIN); + priv->lock_count = 0; + + if (dev->driver->open_helper) { + ret=dev->driver->open_helper(dev, priv); + if (ret < 0) + goto out_free; + } + + down(&dev->struct_sem); + if (!dev->file_last) { + priv->next = NULL; + priv->prev = NULL; + dev->file_first = priv; + dev->file_last = priv; + } else { + priv->next = NULL; + priv->prev = dev->file_last; + dev->file_last->next = priv; + dev->file_last = priv; + } + up(&dev->struct_sem); + +#ifdef __alpha__ + /* + * Default the hose + */ + if (!dev->hose) { + struct pci_dev *pci_dev; + pci_dev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, NULL); + if (pci_dev) { + dev->hose = pci_dev->sysdata; + pci_dev_put(pci_dev); + } + if (!dev->hose) { + struct pci_bus *b = pci_bus_b(pci_root_buses.next); + if (b) dev->hose = b->sysdata; + } + } +#endif + + return 0; +out_free: + drm_free(priv, sizeof(*priv), DRM_MEM_FILES); + filp->private_data=NULL; + return ret; +} + +/** No-op. */ +int drm_flush(struct file *filp) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + + DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n", + current->pid, (long)old_encode_dev(dev->device), dev->open_count); + return 0; +} +EXPORT_SYMBOL(drm_flush); + +/** No-op. */ +int drm_fasync(int fd, struct file *filp, int on) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int retcode; + + DRM_DEBUG("fd = %d, device = 0x%lx\n", fd, (long)old_encode_dev(dev->device)); + retcode = fasync_helper(fd, filp, on, &dev->buf_async); + if (retcode < 0) return retcode; + return 0; +} +EXPORT_SYMBOL(drm_fasync); + +/** No-op. */ +unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait) +{ + return 0; +} +EXPORT_SYMBOL(drm_poll); + + +/** No-op. */ +ssize_t drm_read(struct file *filp, char __user *buf, size_t count, loff_t *off) +{ + return 0; +} diff -Nru a/drivers/char/drm/drm_fops.h b/drivers/char/drm/drm_fops.h --- a/drivers/char/drm/drm_fops.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,156 +0,0 @@ -/** - * \file drm_fops.h - * File operations for DRM - * - * \author Rickard E. (Rik) Faith - * \author Daryll Strauss - * \author Gareth Hughes - */ - -/* - * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "drmP.h" -#include - - -/** - * Called whenever a process opens /dev/drm. - * - * \param inode device inode. - * \param filp file pointer. - * \param dev device. - * \return zero on success or a negative number on failure. - * - * Creates and initializes a drm_file structure for the file private data in \p - * filp and add it into the double linked list in \p dev. - */ -int DRM(open_helper)(struct inode *inode, struct file *filp, drm_device_t *dev) -{ - int minor = iminor(inode); - drm_file_t *priv; - int ret; - - if (filp->f_flags & O_EXCL) return -EBUSY; /* No exclusive opens */ - if (!DRM(cpu_valid)()) return -EINVAL; - - DRM_DEBUG("pid = %d, minor = %d\n", current->pid, minor); - - priv = DRM(alloc)(sizeof(*priv), DRM_MEM_FILES); - if(!priv) return -ENOMEM; - - memset(priv, 0, sizeof(*priv)); - filp->private_data = priv; - priv->uid = current->euid; - priv->pid = current->pid; - priv->minor = minor; - priv->dev = dev; - priv->ioctl_count = 0; - priv->authenticated = capable(CAP_SYS_ADMIN); - priv->lock_count = 0; - - if (dev->fn_tbl.open_helper) { - ret=dev->fn_tbl.open_helper(dev, priv); - if (ret < 0) - goto out_free; - } - - down(&dev->struct_sem); - if (!dev->file_last) { - priv->next = NULL; - priv->prev = NULL; - dev->file_first = priv; - dev->file_last = priv; - } else { - priv->next = NULL; - priv->prev = dev->file_last; - dev->file_last->next = priv; - dev->file_last = priv; - } - up(&dev->struct_sem); - -#ifdef __alpha__ - /* - * Default the hose - */ - if (!dev->hose) { - struct pci_dev *pci_dev; - pci_dev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, NULL); - if (pci_dev) { - dev->hose = pci_dev->sysdata; - pci_dev_put(pci_dev); - } - if (!dev->hose) { - struct pci_bus *b = pci_bus_b(pci_root_buses.next); - if (b) dev->hose = b->sysdata; - } - } -#endif - - return 0; -out_free: - DRM(free)(priv, sizeof(*priv), DRM_MEM_FILES); - filp->private_data=NULL; - return ret; -} - -/** No-op. */ -int DRM(flush)(struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - - DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n", - current->pid, (long)old_encode_dev(dev->device), dev->open_count); - return 0; -} - -/** No-op. */ -int DRM(fasync)(int fd, struct file *filp, int on) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode; - - DRM_DEBUG("fd = %d, device = 0x%lx\n", fd, (long)old_encode_dev(dev->device)); - retcode = fasync_helper(fd, filp, on, &dev->buf_async); - if (retcode < 0) return retcode; - return 0; -} - -/** No-op. */ -unsigned int DRM(poll)(struct file *filp, struct poll_table_struct *wait) -{ - return 0; -} - - -/** No-op. */ -ssize_t DRM(read)(struct file *filp, char __user *buf, size_t count, loff_t *off) -{ - return 0; -} diff -Nru a/drivers/char/drm/drm_init.c b/drivers/char/drm/drm_init.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_init.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,52 @@ +/** + * \file drm_init.h + * Setup/Cleanup for DRM + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +/** + * Check whether DRI will run on this CPU. + * + * \return non-zero if the DRI will run on this CPU, or zero otherwise. + */ +int drm_cpu_valid(void) +{ +#if defined(__i386__) + if (boot_cpu_data.x86 == 3) return 0; /* No cmpxchg on a 386 */ +#endif +#if defined(__sparc__) && !defined(__sparc_v9__) + return 0; /* No cmpxchg before v9 sparc. */ +#endif + return 1; +} diff -Nru a/drivers/char/drm/drm_init.h b/drivers/char/drm/drm_init.h --- a/drivers/char/drm/drm_init.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,128 +0,0 @@ -/** - * \file drm_init.h - * Setup/Cleanup for DRM - * - * \author Rickard E. (Rik) Faith - * \author Gareth Hughes - */ - -/* - * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "drmP.h" - -/** Debug flags. Set by parse_option(). */ -#if 0 -int DRM(flags) = DRM_FLAG_DEBUG; -#else -int DRM(flags) = 0; -#endif - -/** - * Parse a single option. - * - * \param s option string. - * - * \sa See parse_options() for details. - */ -static void DRM(parse_option)(char *s) -{ - char *c, *r; - - DRM_DEBUG("\"%s\"\n", s); - if (!s || !*s) return; - for (c = s; *c && *c != ':'; c++); /* find : or \0 */ - if (*c) r = c + 1; else r = NULL; /* remember remainder */ - *c = '\0'; /* terminate */ - if (!strcmp(s, "debug")) { - DRM(flags) |= DRM_FLAG_DEBUG; - DRM_INFO("Debug messages ON\n"); - return; - } - DRM_ERROR("\"%s\" is not a valid option\n", s); - return; -} - -/** - * Parse the insmod "drm_opts=" options, or the command-line - * options passed to the kernel via LILO. - * - * \param s contains option_list without the 'drm_opts=' part. - * - * The grammar of the format is as - * follows: - * - * \code - * drm ::= 'drm_opts=' option_list - * option_list ::= option [ ';' option_list ] - * option ::= 'device:' major - * | 'debug' - * | 'noctx' - * major ::= INTEGER - * \endcode - * - * - device=major,minor specifies the device number used for /dev/drm - * - if major == 0 then the misc device is used - * - if major == 0 and minor == 0 then dynamic misc allocation is used - * - debug=on specifies that debugging messages will be printk'd - * - debug=trace specifies that each function call will be logged via printk - * - debug=off turns off all debugging options - * - * \todo Actually only the \e presence of the 'debug' option is currently - * checked. - */ - -void DRM(parse_options)(char *s) -{ - char *h, *t, *n; - - DRM_DEBUG("\"%s\"\n", s ?: ""); - if (!s || !*s) return; - - for (h = t = n = s; h && *h; h = n) { - for (; *t && *t != ';'; t++); /* find ; or \0 */ - if (*t) n = t + 1; else n = NULL; /* remember next */ - *t = '\0'; /* terminate */ - DRM(parse_option)(h); /* parse */ - } -} - -/** - * Check whether DRI will run on this CPU. - * - * \return non-zero if the DRI will run on this CPU, or zero otherwise. - */ -int DRM(cpu_valid)(void) -{ -#if defined(__i386__) - if (boot_cpu_data.x86 == 3) return 0; /* No cmpxchg on a 386 */ -#endif -#if defined(__sparc__) && !defined(__sparc_v9__) - return 0; /* No cmpxchg before v9 sparc. */ -#endif - return 1; -} diff -Nru a/drivers/char/drm/drm_ioctl.c b/drivers/char/drm/drm_ioctl.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_ioctl.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,355 @@ +/** + * \file drm_ioctl.h + * IOCTL processing for DRM + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Created: Fri Jan 8 09:01:26 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" +#include "drm_core.h" + +#include "linux/pci.h" + +/** + * Get the bus id. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_unique structure. + * \return zero on success or a negative number on failure. + * + * Copies the bus id from drm_device::unique into user space. + */ +int drm_getunique(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_unique_t __user *argp = (void __user *)arg; + drm_unique_t u; + + if (copy_from_user(&u, argp, sizeof(u))) + return -EFAULT; + if (u.unique_len >= dev->unique_len) { + if (copy_to_user(u.unique, dev->unique, dev->unique_len)) + return -EFAULT; + } + u.unique_len = dev->unique_len; + if (copy_to_user(argp, &u, sizeof(u))) + return -EFAULT; + return 0; +} + +/** + * Set the bus id. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_unique structure. + * \return zero on success or a negative number on failure. + * + * Copies the bus id from userspace into drm_device::unique, and verifies that + * it matches the device this DRM is attached to (EINVAL otherwise). Deprecated + * in interface version 1.1 and will return EBUSY when setversion has requested + * version 1.1 or greater. + */ +int drm_setunique(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_unique_t u; + int domain, bus, slot, func, ret; + + if (dev->unique_len || dev->unique) return -EBUSY; + + if (copy_from_user(&u, (drm_unique_t __user *)arg, sizeof(u))) + return -EFAULT; + + if (!u.unique_len || u.unique_len > 1024) return -EINVAL; + + dev->unique_len = u.unique_len; + dev->unique = drm_alloc(u.unique_len + 1, DRM_MEM_DRIVER); + if(!dev->unique) return -ENOMEM; + if (copy_from_user(dev->unique, u.unique, dev->unique_len)) + return -EFAULT; + + dev->unique[dev->unique_len] = '\0'; + + dev->devname = drm_alloc(strlen(dev->driver->pci_driver.name) + strlen(dev->unique) + 2, + DRM_MEM_DRIVER); + if (!dev->devname) + return -ENOMEM; + + sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name, dev->unique); + + /* Return error if the busid submitted doesn't match the device's actual + * busid. + */ + ret = sscanf(dev->unique, "PCI:%d:%d:%d", &bus, &slot, &func); + if (ret != 3) + return DRM_ERR(EINVAL); + domain = bus >> 8; + bus &= 0xff; + + if ((domain != dev->pci_domain) || + (bus != dev->pci_bus) || + (slot != dev->pci_slot) || + (func != dev->pci_func)) + return -EINVAL; + + return 0; +} + +static int +drm_set_busid(drm_device_t *dev) +{ + if (dev->unique != NULL) + return EBUSY; + + dev->unique_len = 20; + dev->unique = drm_alloc(dev->unique_len + 1, DRM_MEM_DRIVER); + if (dev->unique == NULL) + return ENOMEM; + + snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%d", + dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func); + + dev->devname = drm_alloc(strlen(dev->driver->pci_driver.name) + dev->unique_len + 2, + DRM_MEM_DRIVER); + if (dev->devname == NULL) + return ENOMEM; + + sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name, dev->unique); + + return 0; +} + + +/** + * Get a mapping information. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_map structure. + * + * \return zero on success or a negative number on failure. + * + * Searches for the mapping with the specified offset and copies its information + * into userspace + */ +int drm_getmap( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_map_t __user *argp = (void __user *)arg; + drm_map_t map; + drm_map_list_t *r_list = NULL; + struct list_head *list; + int idx; + int i; + + if (copy_from_user(&map, argp, sizeof(map))) + return -EFAULT; + idx = map.offset; + + down(&dev->struct_sem); + if (idx < 0) { + up(&dev->struct_sem); + return -EINVAL; + } + + i = 0; + list_for_each(list, &dev->maplist->head) { + if(i == idx) { + r_list = list_entry(list, drm_map_list_t, head); + break; + } + i++; + } + if(!r_list || !r_list->map) { + up(&dev->struct_sem); + return -EINVAL; + } + + map.offset = r_list->map->offset; + map.size = r_list->map->size; + map.type = r_list->map->type; + map.flags = r_list->map->flags; + map.handle = r_list->map->handle; + map.mtrr = r_list->map->mtrr; + up(&dev->struct_sem); + + if (copy_to_user(argp, &map, sizeof(map))) return -EFAULT; + return 0; +} + +/** + * Get client information. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_client structure. + * + * \return zero on success or a negative number on failure. + * + * Searches for the client with the specified index and copies its information + * into userspace + */ +int drm_getclient( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_client_t __user *argp = (void __user *)arg; + drm_client_t client; + drm_file_t *pt; + int idx; + int i; + + if (copy_from_user(&client, argp, sizeof(client))) + return -EFAULT; + idx = client.idx; + down(&dev->struct_sem); + for (i = 0, pt = dev->file_first; i < idx && pt; i++, pt = pt->next) + ; + + if (!pt) { + up(&dev->struct_sem); + return -EINVAL; + } + client.auth = pt->authenticated; + client.pid = pt->pid; + client.uid = pt->uid; + client.magic = pt->magic; + client.iocs = pt->ioctl_count; + up(&dev->struct_sem); + + if (copy_to_user((drm_client_t __user *)arg, &client, sizeof(client))) + return -EFAULT; + return 0; +} + +/** + * Get statistics information. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_stats structure. + * + * \return zero on success or a negative number on failure. + */ +int drm_getstats( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_stats_t stats; + int i; + + memset(&stats, 0, sizeof(stats)); + + down(&dev->struct_sem); + + for (i = 0; i < dev->counters; i++) { + if (dev->types[i] == _DRM_STAT_LOCK) + stats.data[i].value + = (dev->lock.hw_lock + ? dev->lock.hw_lock->lock : 0); + else + stats.data[i].value = atomic_read(&dev->counts[i]); + stats.data[i].type = dev->types[i]; + } + + stats.count = dev->counters; + + up(&dev->struct_sem); + + if (copy_to_user((drm_stats_t __user *)arg, &stats, sizeof(stats))) + return -EFAULT; + return 0; +} + +int drm_setversion(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_set_version_t sv; + drm_set_version_t retv; + int if_version; + drm_set_version_t __user *argp = (void __user *)data; + + DRM_COPY_FROM_USER_IOCTL(sv, argp, sizeof(sv)); + + retv.drm_di_major = DRM_IF_MAJOR; + retv.drm_di_minor = DRM_IF_MINOR; + retv.drm_dd_major = DRIVER_MAJOR; + retv.drm_dd_minor = DRIVER_MINOR; + + DRM_COPY_TO_USER_IOCTL(argp, retv, sizeof(sv)); + + if (sv.drm_di_major != -1) { + if (sv.drm_di_major != DRM_IF_MAJOR || + sv.drm_di_minor < 0 || sv.drm_di_minor > DRM_IF_MINOR) + return EINVAL; + if_version = DRM_IF_VERSION(sv.drm_di_major, sv.drm_dd_minor); + dev->if_version = DRM_MAX(if_version, dev->if_version); + if (sv.drm_di_minor >= 1) { + /* + * Version 1.1 includes tying of DRM to specific device + */ + drm_set_busid(dev); + } + } + + if (sv.drm_dd_major != -1) { + if (sv.drm_dd_major != DRIVER_MAJOR || + sv.drm_dd_minor < 0 || sv.drm_dd_minor > DRIVER_MINOR) + return EINVAL; + + if (dev->driver->set_version) + dev->driver->set_version(dev, &sv); + } + return 0; +} + +/** No-op ioctl. */ +int drm_noop(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + DRM_DEBUG("\n"); + return 0; +} diff -Nru a/drivers/char/drm/drm_ioctl.h b/drivers/char/drm/drm_ioctl.h --- a/drivers/char/drm/drm_ioctl.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,349 +0,0 @@ -/** - * \file drm_ioctl.h - * IOCTL processing for DRM - * - * \author Rickard E. (Rik) Faith - * \author Gareth Hughes - */ - -/* - * Created: Fri Jan 8 09:01:26 1999 by faith@valinux.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "drmP.h" - -#include "linux/pci.h" - -/** - * Get the bus id. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument, pointing to a drm_unique structure. - * \return zero on success or a negative number on failure. - * - * Copies the bus id from drm_device::unique into user space. - */ -int DRM(getunique)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_unique_t __user *argp = (void __user *)arg; - drm_unique_t u; - - if (copy_from_user(&u, argp, sizeof(u))) - return -EFAULT; - if (u.unique_len >= dev->unique_len) { - if (copy_to_user(u.unique, dev->unique, dev->unique_len)) - return -EFAULT; - } - u.unique_len = dev->unique_len; - if (copy_to_user(argp, &u, sizeof(u))) - return -EFAULT; - return 0; -} - -/** - * Set the bus id. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument, pointing to a drm_unique structure. - * \return zero on success or a negative number on failure. - * - * Copies the bus id from userspace into drm_device::unique, and verifies that - * it matches the device this DRM is attached to (EINVAL otherwise). Deprecated - * in interface version 1.1 and will return EBUSY when setversion has requested - * version 1.1 or greater. - */ -int DRM(setunique)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_unique_t u; - int domain, bus, slot, func, ret; - - if (dev->unique_len || dev->unique) return -EBUSY; - - if (copy_from_user(&u, (drm_unique_t __user *)arg, sizeof(u))) - return -EFAULT; - - if (!u.unique_len || u.unique_len > 1024) return -EINVAL; - - dev->unique_len = u.unique_len; - dev->unique = DRM(alloc)(u.unique_len + 1, DRM_MEM_DRIVER); - if(!dev->unique) return -ENOMEM; - if (copy_from_user(dev->unique, u.unique, dev->unique_len)) - return -EFAULT; - - dev->unique[dev->unique_len] = '\0'; - - dev->devname = DRM(alloc)(strlen(dev->name) + strlen(dev->unique) + 2, - DRM_MEM_DRIVER); - if (!dev->devname) - return -ENOMEM; - - sprintf(dev->devname, "%s@%s", dev->name, dev->unique); - - /* Return error if the busid submitted doesn't match the device's actual - * busid. - */ - ret = sscanf(dev->unique, "PCI:%d:%d:%d", &bus, &slot, &func); - if (ret != 3) - return DRM_ERR(EINVAL); - domain = bus >> 8; - bus &= 0xff; - - if ((domain != dev->pci_domain) || - (bus != dev->pci_bus) || - (slot != dev->pci_slot) || - (func != dev->pci_func)) - return -EINVAL; - - return 0; -} - -static int -DRM(set_busid)(drm_device_t *dev) -{ - if (dev->unique != NULL) - return EBUSY; - - dev->unique_len = 20; - dev->unique = DRM(alloc)(dev->unique_len + 1, DRM_MEM_DRIVER); - if (dev->unique == NULL) - return ENOMEM; - - snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%d", - dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func); - - dev->devname = DRM(alloc)(strlen(dev->name) + dev->unique_len + 2, - DRM_MEM_DRIVER); - if (dev->devname == NULL) - return ENOMEM; - - sprintf(dev->devname, "%s@%s", dev->name, dev->unique); - - return 0; -} - - -/** - * Get a mapping information. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument, pointing to a drm_map structure. - * - * \return zero on success or a negative number on failure. - * - * Searches for the mapping with the specified offset and copies its information - * into userspace - */ -int DRM(getmap)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_map_t __user *argp = (void __user *)arg; - drm_map_t map; - drm_map_list_t *r_list = NULL; - struct list_head *list; - int idx; - int i; - - if (copy_from_user(&map, argp, sizeof(map))) - return -EFAULT; - idx = map.offset; - - down(&dev->struct_sem); - if (idx < 0) { - up(&dev->struct_sem); - return -EINVAL; - } - - i = 0; - list_for_each(list, &dev->maplist->head) { - if(i == idx) { - r_list = list_entry(list, drm_map_list_t, head); - break; - } - i++; - } - if(!r_list || !r_list->map) { - up(&dev->struct_sem); - return -EINVAL; - } - - map.offset = r_list->map->offset; - map.size = r_list->map->size; - map.type = r_list->map->type; - map.flags = r_list->map->flags; - map.handle = r_list->map->handle; - map.mtrr = r_list->map->mtrr; - up(&dev->struct_sem); - - if (copy_to_user(argp, &map, sizeof(map))) return -EFAULT; - return 0; -} - -/** - * Get client information. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument, pointing to a drm_client structure. - * - * \return zero on success or a negative number on failure. - * - * Searches for the client with the specified index and copies its information - * into userspace - */ -int DRM(getclient)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_client_t __user *argp = (void __user *)arg; - drm_client_t client; - drm_file_t *pt; - int idx; - int i; - - if (copy_from_user(&client, argp, sizeof(client))) - return -EFAULT; - idx = client.idx; - down(&dev->struct_sem); - for (i = 0, pt = dev->file_first; i < idx && pt; i++, pt = pt->next) - ; - - if (!pt) { - up(&dev->struct_sem); - return -EINVAL; - } - client.auth = pt->authenticated; - client.pid = pt->pid; - client.uid = pt->uid; - client.magic = pt->magic; - client.iocs = pt->ioctl_count; - up(&dev->struct_sem); - - if (copy_to_user((drm_client_t __user *)arg, &client, sizeof(client))) - return -EFAULT; - return 0; -} - -/** - * Get statistics information. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument, pointing to a drm_stats structure. - * - * \return zero on success or a negative number on failure. - */ -int DRM(getstats)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_stats_t stats; - int i; - - memset(&stats, 0, sizeof(stats)); - - down(&dev->struct_sem); - - for (i = 0; i < dev->counters; i++) { - if (dev->types[i] == _DRM_STAT_LOCK) - stats.data[i].value - = (dev->lock.hw_lock - ? dev->lock.hw_lock->lock : 0); - else - stats.data[i].value = atomic_read(&dev->counts[i]); - stats.data[i].type = dev->types[i]; - } - - stats.count = dev->counters; - - up(&dev->struct_sem); - - if (copy_to_user((drm_stats_t __user *)arg, &stats, sizeof(stats))) - return -EFAULT; - return 0; -} - -#define DRM_IF_MAJOR 1 -#define DRM_IF_MINOR 2 - -int DRM(setversion)(DRM_IOCTL_ARGS) -{ - DRM_DEVICE; - drm_set_version_t sv; - drm_set_version_t retv; - int if_version; - drm_set_version_t __user *argp = (void __user *)data; - - DRM_COPY_FROM_USER_IOCTL(sv, argp, sizeof(sv)); - - retv.drm_di_major = DRM_IF_MAJOR; - retv.drm_di_minor = DRM_IF_MINOR; - retv.drm_dd_major = DRIVER_MAJOR; - retv.drm_dd_minor = DRIVER_MINOR; - - DRM_COPY_TO_USER_IOCTL(argp, retv, sizeof(sv)); - - if (sv.drm_di_major != -1) { - if (sv.drm_di_major != DRM_IF_MAJOR || - sv.drm_di_minor < 0 || sv.drm_di_minor > DRM_IF_MINOR) - return EINVAL; - if_version = DRM_IF_VERSION(sv.drm_di_major, sv.drm_dd_minor); - dev->if_version = DRM_MAX(if_version, dev->if_version); - if (sv.drm_di_minor >= 1) { - /* - * Version 1.1 includes tying of DRM to specific device - */ - DRM(set_busid)(dev); - } - } - - if (sv.drm_dd_major != -1) { - if (sv.drm_dd_major != DRIVER_MAJOR || - sv.drm_dd_minor < 0 || sv.drm_dd_minor > DRIVER_MINOR) - return EINVAL; - - if (dev->fn_tbl.set_version) - dev->fn_tbl.set_version(dev, &sv); - } - return 0; -} diff -Nru a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_irq.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,370 @@ +/** + * \file drm_irq.h + * IRQ support + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +#include /* For task queue support */ + +/** + * Get interrupt from bus id. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_irq_busid structure. + * \return zero on success or a negative number on failure. + * + * Finds the PCI device with the specified bus id and gets its IRQ number. + * This IOCTL is deprecated, and will now return EINVAL for any busid not equal + * to that of the device that this DRM instance attached to. + */ +int drm_irq_by_busid(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_irq_busid_t __user *argp = (void __user *)arg; + drm_irq_busid_t p; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) + return -EINVAL; + + if (copy_from_user(&p, argp, sizeof(p))) + return -EFAULT; + + if ((p.busnum >> 8) != dev->pci_domain || + (p.busnum & 0xff) != dev->pci_bus || + p.devnum != dev->pci_slot || + p.funcnum != dev->pci_func) + return -EINVAL; + + p.irq = dev->irq; + + DRM_DEBUG("%d:%d:%d => IRQ %d\n", + p.busnum, p.devnum, p.funcnum, p.irq); + if (copy_to_user(argp, &p, sizeof(p))) + return -EFAULT; + return 0; +} + +/** + * Install IRQ handler. + * + * \param dev DRM device. + * \param irq IRQ number. + * + * Initializes the IRQ related data, and setups drm_device::vbl_queue. Installs the handler, calling the driver + * \c drm_driver_irq_preinstall() and \c drm_driver_irq_postinstall() functions + * before and after the installation. + */ +int drm_irq_install( drm_device_t *dev ) +{ + int ret; + unsigned long sh_flags=0; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) + return -EINVAL; + + if ( dev->irq == 0 ) + return -EINVAL; + + down( &dev->struct_sem ); + + /* Driver must have been initialized */ + if ( !dev->dev_private ) { + up( &dev->struct_sem ); + return -EINVAL; + } + + if ( dev->irq_enabled ) { + up( &dev->struct_sem ); + return -EBUSY; + } + dev->irq_enabled = 1; + up( &dev->struct_sem ); + + DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, dev->irq ); + + if (drm_core_check_feature(dev, DRIVER_IRQ_VBL)) { + init_waitqueue_head(&dev->vbl_queue); + + spin_lock_init( &dev->vbl_lock ); + + INIT_LIST_HEAD( &dev->vbl_sigs.head ); + + dev->vbl_pending = 0; + } + + /* Before installing handler */ + dev->driver->irq_preinstall(dev); + + /* Install handler */ + if (drm_core_check_feature(dev, DRIVER_IRQ_SHARED)) + sh_flags = SA_SHIRQ; + + ret = request_irq( dev->irq, dev->driver->irq_handler, + sh_flags, dev->devname, dev ); + if ( ret < 0 ) { + down( &dev->struct_sem ); + dev->irq_enabled = 0; + up( &dev->struct_sem ); + return ret; + } + + /* After installing handler */ + dev->driver->irq_postinstall(dev); + + return 0; +} + +/** + * Uninstall the IRQ handler. + * + * \param dev DRM device. + * + * Calls the driver's \c drm_driver_irq_uninstall() function, and stops the irq. + */ +int drm_irq_uninstall( drm_device_t *dev ) +{ + int irq_enabled; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) + return -EINVAL; + + down( &dev->struct_sem ); + irq_enabled = dev->irq_enabled; + dev->irq_enabled = 0; + up( &dev->struct_sem ); + + if ( !irq_enabled ) + return -EINVAL; + + DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, dev->irq ); + + dev->driver->irq_uninstall(dev); + + free_irq( dev->irq, dev ); + + return 0; +} +EXPORT_SYMBOL(drm_irq_uninstall); + +/** + * IRQ control ioctl. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_control structure. + * \return zero on success or a negative number on failure. + * + * Calls irq_install() or irq_uninstall() according to \p arg. + */ +int drm_control( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_control_t ctl; + + /* if we haven't irq we fallback for compatibility reasons - this used to be a separate function in drm_dma.h */ + + if ( copy_from_user( &ctl, (drm_control_t __user *)arg, sizeof(ctl) ) ) + return -EFAULT; + + switch ( ctl.func ) { + case DRM_INST_HANDLER: + if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) + return 0; + if (dev->if_version < DRM_IF_VERSION(1, 2) && + ctl.irq != dev->irq) + return -EINVAL; + return drm_irq_install( dev ); + case DRM_UNINST_HANDLER: + if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) + return 0; + return drm_irq_uninstall( dev ); + default: + return -EINVAL; + } +} + +/** + * Wait for VBLANK. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param data user argument, pointing to a drm_wait_vblank structure. + * \return zero on success or a negative number on failure. + * + * Verifies the IRQ is installed. + * + * If a signal is requested checks if this task has already scheduled the same signal + * for the same vblank sequence number - nothing to be done in + * that case. If the number of tasks waiting for the interrupt exceeds 100 the + * function fails. Otherwise adds a new entry to drm_device::vbl_sigs for this + * task. + * + * If a signal is not requested, then calls vblank_wait(). + */ +int drm_wait_vblank( DRM_IOCTL_ARGS ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_wait_vblank_t __user *argp = (void __user *)data; + drm_wait_vblank_t vblwait; + struct timeval now; + int ret = 0; + unsigned int flags; + + if (!drm_core_check_feature(dev, DRIVER_IRQ_VBL)) + return -EINVAL; + + if (!dev->irq) + return -EINVAL; + + DRM_COPY_FROM_USER_IOCTL( vblwait, argp, sizeof(vblwait) ); + + switch ( vblwait.request.type & ~_DRM_VBLANK_FLAGS_MASK ) { + case _DRM_VBLANK_RELATIVE: + vblwait.request.sequence += atomic_read( &dev->vbl_received ); + vblwait.request.type &= ~_DRM_VBLANK_RELATIVE; + case _DRM_VBLANK_ABSOLUTE: + break; + default: + return -EINVAL; + } + + flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK; + + if ( flags & _DRM_VBLANK_SIGNAL ) { + unsigned long irqflags; + drm_vbl_sig_t *vbl_sig; + + vblwait.reply.sequence = atomic_read( &dev->vbl_received ); + + spin_lock_irqsave( &dev->vbl_lock, irqflags ); + + /* Check if this task has already scheduled the same signal + * for the same vblank sequence number; nothing to be done in + * that case + */ + list_for_each_entry( vbl_sig, &dev->vbl_sigs.head, head ) { + if (vbl_sig->sequence == vblwait.request.sequence + && vbl_sig->info.si_signo == vblwait.request.signal + && vbl_sig->task == current) + { + spin_unlock_irqrestore( &dev->vbl_lock, irqflags ); + goto done; + } + } + + if ( dev->vbl_pending >= 100 ) { + spin_unlock_irqrestore( &dev->vbl_lock, irqflags ); + return -EBUSY; + } + + dev->vbl_pending++; + + spin_unlock_irqrestore( &dev->vbl_lock, irqflags ); + + if ( !( vbl_sig = drm_alloc( sizeof( drm_vbl_sig_t ), DRM_MEM_DRIVER ) ) ) { + return -ENOMEM; + } + + memset( (void *)vbl_sig, 0, sizeof(*vbl_sig) ); + + vbl_sig->sequence = vblwait.request.sequence; + vbl_sig->info.si_signo = vblwait.request.signal; + vbl_sig->task = current; + + spin_lock_irqsave( &dev->vbl_lock, irqflags ); + + list_add_tail( (struct list_head *) vbl_sig, &dev->vbl_sigs.head ); + + spin_unlock_irqrestore( &dev->vbl_lock, irqflags ); + } else { + if (dev->driver->vblank_wait) + ret = dev->driver->vblank_wait( dev, &vblwait.request.sequence ); + + do_gettimeofday( &now ); + vblwait.reply.tval_sec = now.tv_sec; + vblwait.reply.tval_usec = now.tv_usec; + } + +done: + DRM_COPY_TO_USER_IOCTL( argp, vblwait, sizeof(vblwait) ); + + return ret; +} + +/** + * Send the VBLANK signals. + * + * \param dev DRM device. + * + * Sends a signal for each task in drm_device::vbl_sigs and empties the list. + * + * If a signal is not requested, then calls vblank_wait(). + */ +void drm_vbl_send_signals( drm_device_t *dev ) +{ + struct list_head *list, *tmp; + drm_vbl_sig_t *vbl_sig; + unsigned int vbl_seq = atomic_read( &dev->vbl_received ); + unsigned long flags; + + spin_lock_irqsave( &dev->vbl_lock, flags ); + + list_for_each_safe( list, tmp, &dev->vbl_sigs.head ) { + vbl_sig = list_entry( list, drm_vbl_sig_t, head ); + if ( ( vbl_seq - vbl_sig->sequence ) <= (1<<23) ) { + vbl_sig->info.si_code = vbl_seq; + send_sig_info( vbl_sig->info.si_signo, &vbl_sig->info, vbl_sig->task ); + + list_del( list ); + + drm_free( vbl_sig, sizeof(*vbl_sig), DRM_MEM_DRIVER ); + + dev->vbl_pending--; + } + } + + spin_unlock_irqrestore( &dev->vbl_lock, flags ); +} +EXPORT_SYMBOL(drm_vbl_send_signals); + + diff -Nru a/drivers/char/drm/drm_irq.h b/drivers/char/drm/drm_irq.h --- a/drivers/char/drm/drm_irq.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,368 +0,0 @@ -/** - * \file drm_irq.h - * IRQ support - * - * \author Rickard E. (Rik) Faith - * \author Gareth Hughes - */ - -/* - * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com - * - * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "drmP.h" - -#include /* For task queue support */ - -/** - * Get interrupt from bus id. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument, pointing to a drm_irq_busid structure. - * \return zero on success or a negative number on failure. - * - * Finds the PCI device with the specified bus id and gets its IRQ number. - * This IOCTL is deprecated, and will now return EINVAL for any busid not equal - * to that of the device that this DRM instance attached to. - */ -int DRM(irq_by_busid)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_irq_busid_t __user *argp = (void __user *)arg; - drm_irq_busid_t p; - - if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) - return -EINVAL; - - if (copy_from_user(&p, argp, sizeof(p))) - return -EFAULT; - - if ((p.busnum >> 8) != dev->pci_domain || - (p.busnum & 0xff) != dev->pci_bus || - p.devnum != dev->pci_slot || - p.funcnum != dev->pci_func) - return -EINVAL; - - p.irq = dev->irq; - - DRM_DEBUG("%d:%d:%d => IRQ %d\n", - p.busnum, p.devnum, p.funcnum, p.irq); - if (copy_to_user(argp, &p, sizeof(p))) - return -EFAULT; - return 0; -} - -/** - * Install IRQ handler. - * - * \param dev DRM device. - * \param irq IRQ number. - * - * Initializes the IRQ related data, and setups drm_device::vbl_queue. Installs the handler, calling the driver - * \c DRM(driver_irq_preinstall)() and \c DRM(driver_irq_postinstall)() functions - * before and after the installation. - */ -int DRM(irq_install)( drm_device_t *dev ) -{ - int ret; - unsigned long sh_flags=0; - - if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) - return -EINVAL; - - if ( dev->irq == 0 ) - return -EINVAL; - - down( &dev->struct_sem ); - - /* Driver must have been initialized */ - if ( !dev->dev_private ) { - up( &dev->struct_sem ); - return -EINVAL; - } - - if ( dev->irq_enabled ) { - up( &dev->struct_sem ); - return -EBUSY; - } - dev->irq_enabled = 1; - up( &dev->struct_sem ); - - DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, dev->irq ); - - if (drm_core_check_feature(dev, DRIVER_IRQ_VBL)) { - init_waitqueue_head(&dev->vbl_queue); - - spin_lock_init( &dev->vbl_lock ); - - INIT_LIST_HEAD( &dev->vbl_sigs.head ); - - dev->vbl_pending = 0; - } - - /* Before installing handler */ - dev->fn_tbl.irq_preinstall(dev); - - /* Install handler */ - if (drm_core_check_feature(dev, DRIVER_IRQ_SHARED)) - sh_flags = SA_SHIRQ; - - ret = request_irq( dev->irq, dev->fn_tbl.irq_handler, - sh_flags, dev->devname, dev ); - if ( ret < 0 ) { - down( &dev->struct_sem ); - dev->irq_enabled = 0; - up( &dev->struct_sem ); - return ret; - } - - /* After installing handler */ - dev->fn_tbl.irq_postinstall(dev); - - return 0; -} - -/** - * Uninstall the IRQ handler. - * - * \param dev DRM device. - * - * Calls the driver's \c DRM(driver_irq_uninstall)() function, and stops the irq. - */ -int DRM(irq_uninstall)( drm_device_t *dev ) -{ - int irq_enabled; - - if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) - return -EINVAL; - - down( &dev->struct_sem ); - irq_enabled = dev->irq_enabled; - dev->irq_enabled = 0; - up( &dev->struct_sem ); - - if ( !irq_enabled ) - return -EINVAL; - - DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, dev->irq ); - - dev->fn_tbl.irq_uninstall(dev); - - free_irq( dev->irq, dev ); - - return 0; -} - -/** - * IRQ control ioctl. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg user argument, pointing to a drm_control structure. - * \return zero on success or a negative number on failure. - * - * Calls irq_install() or irq_uninstall() according to \p arg. - */ -int DRM(control)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_control_t ctl; - - /* if we haven't irq we fallback for compatibility reasons - this used to be a separate function in drm_dma.h */ - - if ( copy_from_user( &ctl, (drm_control_t __user *)arg, sizeof(ctl) ) ) - return -EFAULT; - - switch ( ctl.func ) { - case DRM_INST_HANDLER: - if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) - return 0; - if (dev->if_version < DRM_IF_VERSION(1, 2) && - ctl.irq != dev->irq) - return -EINVAL; - return DRM(irq_install)( dev ); - case DRM_UNINST_HANDLER: - if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) - return 0; - return DRM(irq_uninstall)( dev ); - default: - return -EINVAL; - } -} - -/** - * Wait for VBLANK. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param data user argument, pointing to a drm_wait_vblank structure. - * \return zero on success or a negative number on failure. - * - * Verifies the IRQ is installed. - * - * If a signal is requested checks if this task has already scheduled the same signal - * for the same vblank sequence number - nothing to be done in - * that case. If the number of tasks waiting for the interrupt exceeds 100 the - * function fails. Otherwise adds a new entry to drm_device::vbl_sigs for this - * task. - * - * If a signal is not requested, then calls vblank_wait(). - */ -int DRM(wait_vblank)( DRM_IOCTL_ARGS ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_wait_vblank_t __user *argp = (void __user *)data; - drm_wait_vblank_t vblwait; - struct timeval now; - int ret = 0; - unsigned int flags; - - if (!drm_core_check_feature(dev, DRIVER_IRQ_VBL)) - return -EINVAL; - - if (!dev->irq) - return -EINVAL; - - DRM_COPY_FROM_USER_IOCTL( vblwait, argp, sizeof(vblwait) ); - - switch ( vblwait.request.type & ~_DRM_VBLANK_FLAGS_MASK ) { - case _DRM_VBLANK_RELATIVE: - vblwait.request.sequence += atomic_read( &dev->vbl_received ); - vblwait.request.type &= ~_DRM_VBLANK_RELATIVE; - case _DRM_VBLANK_ABSOLUTE: - break; - default: - return -EINVAL; - } - - flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK; - - if ( flags & _DRM_VBLANK_SIGNAL ) { - unsigned long irqflags; - drm_vbl_sig_t *vbl_sig; - - vblwait.reply.sequence = atomic_read( &dev->vbl_received ); - - spin_lock_irqsave( &dev->vbl_lock, irqflags ); - - /* Check if this task has already scheduled the same signal - * for the same vblank sequence number; nothing to be done in - * that case - */ - list_for_each_entry( vbl_sig, &dev->vbl_sigs.head, head ) { - if (vbl_sig->sequence == vblwait.request.sequence - && vbl_sig->info.si_signo == vblwait.request.signal - && vbl_sig->task == current) - { - spin_unlock_irqrestore( &dev->vbl_lock, irqflags ); - goto done; - } - } - - if ( dev->vbl_pending >= 100 ) { - spin_unlock_irqrestore( &dev->vbl_lock, irqflags ); - return -EBUSY; - } - - dev->vbl_pending++; - - spin_unlock_irqrestore( &dev->vbl_lock, irqflags ); - - if ( !( vbl_sig = DRM_MALLOC( sizeof( drm_vbl_sig_t ) ) ) ) { - return -ENOMEM; - } - - memset( (void *)vbl_sig, 0, sizeof(*vbl_sig) ); - - vbl_sig->sequence = vblwait.request.sequence; - vbl_sig->info.si_signo = vblwait.request.signal; - vbl_sig->task = current; - - spin_lock_irqsave( &dev->vbl_lock, irqflags ); - - list_add_tail( (struct list_head *) vbl_sig, &dev->vbl_sigs.head ); - - spin_unlock_irqrestore( &dev->vbl_lock, irqflags ); - } else { - if (dev->fn_tbl.vblank_wait) - ret = dev->fn_tbl.vblank_wait( dev, &vblwait.request.sequence ); - - do_gettimeofday( &now ); - vblwait.reply.tval_sec = now.tv_sec; - vblwait.reply.tval_usec = now.tv_usec; - } - -done: - DRM_COPY_TO_USER_IOCTL( argp, vblwait, sizeof(vblwait) ); - - return ret; -} - -/** - * Send the VBLANK signals. - * - * \param dev DRM device. - * - * Sends a signal for each task in drm_device::vbl_sigs and empties the list. - * - * If a signal is not requested, then calls vblank_wait(). - */ -void DRM(vbl_send_signals)( drm_device_t *dev ) -{ - struct list_head *list, *tmp; - drm_vbl_sig_t *vbl_sig; - unsigned int vbl_seq = atomic_read( &dev->vbl_received ); - unsigned long flags; - - spin_lock_irqsave( &dev->vbl_lock, flags ); - - list_for_each_safe( list, tmp, &dev->vbl_sigs.head ) { - vbl_sig = list_entry( list, drm_vbl_sig_t, head ); - if ( ( vbl_seq - vbl_sig->sequence ) <= (1<<23) ) { - vbl_sig->info.si_code = vbl_seq; - send_sig_info( vbl_sig->info.si_signo, &vbl_sig->info, vbl_sig->task ); - - list_del( list ); - - DRM_FREE( vbl_sig, sizeof(*vbl_sig) ); - - dev->vbl_pending--; - } - } - - spin_unlock_irqrestore( &dev->vbl_lock, flags ); -} - - diff -Nru a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_lock.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,303 @@ +/** + * \file drm_lock.h + * IOCTLs for locking + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +/** + * Lock ioctl. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_lock structure. + * \return zero on success or negative number on failure. + * + * Add the current task to the lock wait queue, and attempt to take to lock. + */ +int drm_lock( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + DECLARE_WAITQUEUE( entry, current ); + drm_lock_t lock; + int ret = 0; + + ++priv->lock_count; + + if ( copy_from_user( &lock, (drm_lock_t __user *)arg, sizeof(lock) ) ) + return -EFAULT; + + if ( lock.context == DRM_KERNEL_CONTEXT ) { + DRM_ERROR( "Process %d using kernel context %d\n", + current->pid, lock.context ); + return -EINVAL; + } + + DRM_DEBUG( "%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", + lock.context, current->pid, + dev->lock.hw_lock->lock, lock.flags ); + + if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE)) + if ( lock.context < 0 ) + return -EINVAL; + + add_wait_queue( &dev->lock.lock_queue, &entry ); + for (;;) { + __set_current_state(TASK_INTERRUPTIBLE); + if ( !dev->lock.hw_lock ) { + /* Device has been unregistered */ + ret = -EINTR; + break; + } + if ( drm_lock_take( &dev->lock.hw_lock->lock, + lock.context ) ) { + dev->lock.filp = filp; + dev->lock.lock_time = jiffies; + atomic_inc( &dev->counts[_DRM_STAT_LOCKS] ); + break; /* Got lock */ + } + + /* Contention */ + schedule(); + if ( signal_pending( current ) ) { + ret = -ERESTARTSYS; + break; + } + } + __set_current_state(TASK_RUNNING); + remove_wait_queue( &dev->lock.lock_queue, &entry ); + + sigemptyset( &dev->sigmask ); + sigaddset( &dev->sigmask, SIGSTOP ); + sigaddset( &dev->sigmask, SIGTSTP ); + sigaddset( &dev->sigmask, SIGTTIN ); + sigaddset( &dev->sigmask, SIGTTOU ); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals( drm_notifier, + &dev->sigdata, &dev->sigmask ); + + if (dev->driver->dma_ready && (lock.flags & _DRM_LOCK_READY)) + dev->driver->dma_ready(dev); + + if ( dev->driver->dma_quiescent && (lock.flags & _DRM_LOCK_QUIESCENT )) + return dev->driver->dma_quiescent(dev); + + /* dev->driver->kernel_context_switch isn't used by any of the x86 + * drivers but is used by the Sparc driver. + */ + + if (dev->driver->kernel_context_switch && + dev->last_context != lock.context) { + dev->driver->kernel_context_switch(dev, dev->last_context, + lock.context); + } + DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" ); + + return ret; +} + +/** + * Unlock ioctl. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_lock structure. + * \return zero on success or negative number on failure. + * + * Transfer and free the lock. + */ +int drm_unlock( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_lock_t lock; + + if ( copy_from_user( &lock, (drm_lock_t __user *)arg, sizeof(lock) ) ) + return -EFAULT; + + if ( lock.context == DRM_KERNEL_CONTEXT ) { + DRM_ERROR( "Process %d using kernel context %d\n", + current->pid, lock.context ); + return -EINVAL; + } + + atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] ); + + /* kernel_context_switch isn't used by any of the x86 drm + * modules but is required by the Sparc driver. + */ + if (dev->driver->kernel_context_switch_unlock) + dev->driver->kernel_context_switch_unlock(dev, &lock); + else { + drm_lock_transfer( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ); + + if ( drm_lock_free( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ) ) { + DRM_ERROR( "\n" ); + } + } + + unblock_all_signals(); + return 0; +} + +/** + * Take the heavyweight lock. + * + * \param lock lock pointer. + * \param context locking context. + * \return one if the lock is held, or zero otherwise. + * + * Attempt to mark the lock as held by the given context, via the \p cmpxchg instruction. + */ +int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context) +{ + unsigned int old, new, prev; + + do { + old = *lock; + if (old & _DRM_LOCK_HELD) new = old | _DRM_LOCK_CONT; + else new = context | _DRM_LOCK_HELD; + prev = cmpxchg(lock, old, new); + } while (prev != old); + if (_DRM_LOCKING_CONTEXT(old) == context) { + if (old & _DRM_LOCK_HELD) { + if (context != DRM_KERNEL_CONTEXT) { + DRM_ERROR("%d holds heavyweight lock\n", + context); + } + return 0; + } + } + if (new == (context | _DRM_LOCK_HELD)) { + /* Have lock */ + return 1; + } + return 0; +} + +/** + * This takes a lock forcibly and hands it to context. Should ONLY be used + * inside *_unlock to give lock to kernel before calling *_dma_schedule. + * + * \param dev DRM device. + * \param lock lock pointer. + * \param context locking context. + * \return always one. + * + * Resets the lock file pointer. + * Marks the lock as held by the given context, via the \p cmpxchg instruction. + */ +int drm_lock_transfer(drm_device_t *dev, + __volatile__ unsigned int *lock, unsigned int context) +{ + unsigned int old, new, prev; + + dev->lock.filp = NULL; + do { + old = *lock; + new = context | _DRM_LOCK_HELD; + prev = cmpxchg(lock, old, new); + } while (prev != old); + return 1; +} + +/** + * Free lock. + * + * \param dev DRM device. + * \param lock lock. + * \param context context. + * + * Resets the lock file pointer. + * Marks the lock as not held, via the \p cmpxchg instruction. Wakes any task + * waiting on the lock queue. + */ +int drm_lock_free(drm_device_t *dev, + __volatile__ unsigned int *lock, unsigned int context) +{ + unsigned int old, new, prev; + + dev->lock.filp = NULL; + do { + old = *lock; + new = 0; + prev = cmpxchg(lock, old, new); + } while (prev != old); + if (_DRM_LOCK_IS_HELD(old) && _DRM_LOCKING_CONTEXT(old) != context) { + DRM_ERROR("%d freed heavyweight lock held by %d\n", + context, + _DRM_LOCKING_CONTEXT(old)); + return 1; + } + wake_up_interruptible(&dev->lock.lock_queue); + return 0; +} + +/** + * If we get here, it means that the process has called DRM_IOCTL_LOCK + * without calling DRM_IOCTL_UNLOCK. + * + * If the lock is not held, then let the signal proceed as usual. If the lock + * is held, then set the contended flag and keep the signal blocked. + * + * \param priv pointer to a drm_sigdata structure. + * \return one if the signal should be delivered normally, or zero if the + * signal should be blocked. + */ +int drm_notifier(void *priv) +{ + drm_sigdata_t *s = (drm_sigdata_t *)priv; + unsigned int old, new, prev; + + + /* Allow signal delivery if lock isn't held */ + if (!s->lock || !_DRM_LOCK_IS_HELD(s->lock->lock) + || _DRM_LOCKING_CONTEXT(s->lock->lock) != s->context) return 1; + + /* Otherwise, set flag to force call to + drmUnlock */ + do { + old = s->lock->lock; + new = old | _DRM_LOCK_CONT; + prev = cmpxchg(&s->lock->lock, old, new); + } while (prev != old); + return 0; +} diff -Nru a/drivers/char/drm/drm_lock.h b/drivers/char/drm/drm_lock.h --- a/drivers/char/drm/drm_lock.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,168 +0,0 @@ -/** - * \file drm_lock.h - * IOCTLs for locking - * - * \author Rickard E. (Rik) Faith - * \author Gareth Hughes - */ - -/* - * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "drmP.h" - -/** No-op ioctl. */ -int DRM(noop)(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - DRM_DEBUG("\n"); - return 0; -} - -/** - * Take the heavyweight lock. - * - * \param lock lock pointer. - * \param context locking context. - * \return one if the lock is held, or zero otherwise. - * - * Attempt to mark the lock as held by the given context, via the \p cmpxchg instruction. - */ -int DRM(lock_take)(__volatile__ unsigned int *lock, unsigned int context) -{ - unsigned int old, new, prev; - - do { - old = *lock; - if (old & _DRM_LOCK_HELD) new = old | _DRM_LOCK_CONT; - else new = context | _DRM_LOCK_HELD; - prev = cmpxchg(lock, old, new); - } while (prev != old); - if (_DRM_LOCKING_CONTEXT(old) == context) { - if (old & _DRM_LOCK_HELD) { - if (context != DRM_KERNEL_CONTEXT) { - DRM_ERROR("%d holds heavyweight lock\n", - context); - } - return 0; - } - } - if (new == (context | _DRM_LOCK_HELD)) { - /* Have lock */ - return 1; - } - return 0; -} - -/** - * This takes a lock forcibly and hands it to context. Should ONLY be used - * inside *_unlock to give lock to kernel before calling *_dma_schedule. - * - * \param dev DRM device. - * \param lock lock pointer. - * \param context locking context. - * \return always one. - * - * Resets the lock file pointer. - * Marks the lock as held by the given context, via the \p cmpxchg instruction. - */ -int DRM(lock_transfer)(drm_device_t *dev, - __volatile__ unsigned int *lock, unsigned int context) -{ - unsigned int old, new, prev; - - dev->lock.filp = NULL; - do { - old = *lock; - new = context | _DRM_LOCK_HELD; - prev = cmpxchg(lock, old, new); - } while (prev != old); - return 1; -} - -/** - * Free lock. - * - * \param dev DRM device. - * \param lock lock. - * \param context context. - * - * Resets the lock file pointer. - * Marks the lock as not held, via the \p cmpxchg instruction. Wakes any task - * waiting on the lock queue. - */ -int DRM(lock_free)(drm_device_t *dev, - __volatile__ unsigned int *lock, unsigned int context) -{ - unsigned int old, new, prev; - - dev->lock.filp = NULL; - do { - old = *lock; - new = 0; - prev = cmpxchg(lock, old, new); - } while (prev != old); - if (_DRM_LOCK_IS_HELD(old) && _DRM_LOCKING_CONTEXT(old) != context) { - DRM_ERROR("%d freed heavyweight lock held by %d\n", - context, - _DRM_LOCKING_CONTEXT(old)); - return 1; - } - wake_up_interruptible(&dev->lock.lock_queue); - return 0; -} - -/** - * If we get here, it means that the process has called DRM_IOCTL_LOCK - * without calling DRM_IOCTL_UNLOCK. - * - * If the lock is not held, then let the signal proceed as usual. If the lock - * is held, then set the contended flag and keep the signal blocked. - * - * \param priv pointer to a drm_sigdata structure. - * \return one if the signal should be delivered normally, or zero if the - * signal should be blocked. - */ -int DRM(notifier)(void *priv) -{ - drm_sigdata_t *s = (drm_sigdata_t *)priv; - unsigned int old, new, prev; - - - /* Allow signal delivery if lock isn't held */ - if (!s->lock || !_DRM_LOCK_IS_HELD(s->lock->lock) - || _DRM_LOCKING_CONTEXT(s->lock->lock) != s->context) return 1; - - /* Otherwise, set flag to force call to - drmUnlock */ - do { - old = s->lock->lock; - new = old | _DRM_LOCK_CONT; - prev = cmpxchg(&s->lock->lock, old, new); - } while (prev != old); - return 0; -} diff -Nru a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_memory.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,181 @@ +/** + * \file drm_memory.h + * Memory management wrappers for DRM + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include +#include +#include "drmP.h" + +#ifdef DEBUG_MEMORY +#include "drm_memory_debug.h" +#else + +/** No-op. */ +void drm_mem_init(void) +{ +} + +/** + * Called when "/proc/dri/%dev%/mem" is read. + * + * \param buf output buffer. + * \param start start of output data. + * \param offset requested start offset. + * \param len requested number of bytes. + * \param eof whether there is no more data to return. + * \param data private data. + * \return number of written bytes. + * + * No-op. + */ +int drm_mem_info(char *buf, char **start, off_t offset, + int len, int *eof, void *data) +{ + return 0; +} + +/** Wrapper around kmalloc() */ +void *drm_calloc(size_t nmemb, size_t size, int area) +{ + void *addr; + + addr = kmalloc(size * nmemb, GFP_KERNEL); + if (addr != NULL) + memset((void *)addr, 0, size * nmemb); + + return addr; +} +EXPORT_SYMBOL(drm_calloc); + +/** Wrapper around kmalloc() and kfree() */ +void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area) +{ + void *pt; + + if (!(pt = kmalloc(size, GFP_KERNEL))) return NULL; + if (oldpt && oldsize) { + memcpy(pt, oldpt, oldsize); + kfree(oldpt); + } + return pt; +} + +/** + * Allocate pages. + * + * \param order size order. + * \param area memory area. (Not used.) + * \return page address on success, or zero on failure. + * + * Allocate and reserve free pages. + */ +unsigned long drm_alloc_pages(int order, int area) +{ + unsigned long address; + unsigned long bytes = PAGE_SIZE << order; + unsigned long addr; + unsigned int sz; + + address = __get_free_pages(GFP_KERNEL, order); + if (!address) + return 0; + + /* Zero */ + memset((void *)address, 0, bytes); + + /* Reserve */ + for (addr = address, sz = bytes; + sz > 0; + addr += PAGE_SIZE, sz -= PAGE_SIZE) { + SetPageReserved(virt_to_page(addr)); + } + + return address; +} + +/** + * Free pages. + * + * \param address address of the pages to free. + * \param order size order. + * \param area memory area. (Not used.) + * + * Unreserve and free pages allocated by alloc_pages(). + */ +void drm_free_pages(unsigned long address, int order, int area) +{ + unsigned long bytes = PAGE_SIZE << order; + unsigned long addr; + unsigned int sz; + + if (!address) + return; + + /* Unreserve */ + for (addr = address, sz = bytes; + sz > 0; + addr += PAGE_SIZE, sz -= PAGE_SIZE) { + ClearPageReserved(virt_to_page(addr)); + } + + free_pages(address, order); +} + + +#if __OS_HAS_AGP +/** Wrapper around agp_allocate_memory() */ +DRM_AGP_MEM *drm_alloc_agp(int pages, u32 type) +{ + return drm_agp_allocate_memory(pages, type); +} + +/** Wrapper around agp_free_memory() */ +int drm_free_agp(DRM_AGP_MEM *handle, int pages) +{ + return drm_agp_free_memory(handle) ? 0 : -EINVAL; +} + +/** Wrapper around agp_bind_memory() */ +int drm_bind_agp(DRM_AGP_MEM *handle, unsigned int start) +{ + return drm_agp_bind_memory(handle, start); +} + +/** Wrapper around agp_unbind_memory() */ +int drm_unbind_agp(DRM_AGP_MEM *handle) +{ + return drm_agp_unbind_memory(handle); +} +#endif /* agp */ +#endif /* debug_memory */ diff -Nru a/drivers/char/drm/drm_memory.h b/drivers/char/drm/drm_memory.h --- a/drivers/char/drm/drm_memory.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/drm_memory.h 2004-12-12 18:07:35 -08:00 @@ -35,14 +35,13 @@ #include #include +#include #include "drmP.h" /** * Cut down version of drm_memory_debug.h, which used to be called - * drm_memory.h. If you want the debug functionality, change 0 to 1 - * below. + * drm_memory.h. */ -#define DEBUG_MEMORY 0 #if __OS_HAS_AGP @@ -197,173 +196,3 @@ } -#if DEBUG_MEMORY -#include "drm_memory_debug.h" -#else - -/** No-op. */ -void DRM(mem_init)(void) -{ -} - -/** - * Called when "/proc/dri/%dev%/mem" is read. - * - * \param buf output buffer. - * \param start start of output data. - * \param offset requested start offset. - * \param len requested number of bytes. - * \param eof whether there is no more data to return. - * \param data private data. - * \return number of written bytes. - * - * No-op. - */ -int DRM(mem_info)(char *buf, char **start, off_t offset, - int len, int *eof, void *data) -{ - return 0; -} - -/** Wrapper around kmalloc() */ -void *DRM(alloc)(size_t size, int area) -{ - return kmalloc(size, GFP_KERNEL); -} - -/** Wrapper around kmalloc() */ -void *DRM(calloc)(size_t size, size_t nmemb, int area) -{ - void *addr; - - addr = kmalloc(size * nmemb, GFP_KERNEL); - if (addr != NULL) - memset((void *)addr, 0, size * nmemb); - - return addr; -} - -/** Wrapper around kmalloc() and kfree() */ -void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area) -{ - void *pt; - - if (!(pt = kmalloc(size, GFP_KERNEL))) return NULL; - if (oldpt && oldsize) { - memcpy(pt, oldpt, oldsize); - kfree(oldpt); - } - return pt; -} - -/** Wrapper around kfree() */ -void DRM(free)(void *pt, size_t size, int area) -{ - kfree(pt); -} - -/** - * Allocate pages. - * - * \param order size order. - * \param area memory area. (Not used.) - * \return page address on success, or zero on failure. - * - * Allocate and reserve free pages. - */ -unsigned long DRM(alloc_pages)(int order, int area) -{ - unsigned long address; - unsigned long bytes = PAGE_SIZE << order; - unsigned long addr; - unsigned int sz; - - address = __get_free_pages(GFP_KERNEL, order); - if (!address) - return 0; - - /* Zero */ - memset((void *)address, 0, bytes); - - /* Reserve */ - for (addr = address, sz = bytes; - sz > 0; - addr += PAGE_SIZE, sz -= PAGE_SIZE) { - SetPageReserved(virt_to_page(addr)); - } - - return address; -} - -/** - * Free pages. - * - * \param address address of the pages to free. - * \param order size order. - * \param area memory area. (Not used.) - * - * Unreserve and free pages allocated by alloc_pages(). - */ -void DRM(free_pages)(unsigned long address, int order, int area) -{ - unsigned long bytes = PAGE_SIZE << order; - unsigned long addr; - unsigned int sz; - - if (!address) - return; - - /* Unreserve */ - for (addr = address, sz = bytes; - sz > 0; - addr += PAGE_SIZE, sz -= PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - } - - free_pages(address, order); -} - -/** Wrapper around drm_ioremap() */ -void *DRM(ioremap)(unsigned long offset, unsigned long size, drm_device_t *dev) -{ - return drm_ioremap(offset, size, dev); -} - -/** Wrapper around drm_ioremap_nocache() */ -void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size, drm_device_t *dev) -{ - return drm_ioremap_nocache(offset, size, dev); -} - -/** Wrapper around drm_iounmap() */ -void DRM(ioremapfree)(void *pt, unsigned long size, drm_device_t *dev) -{ - drm_ioremapfree(pt, size, dev); -} - -#if __OS_HAS_AGP -/** Wrapper around agp_allocate_memory() */ -DRM_AGP_MEM *DRM(alloc_agp)(int pages, u32 type) -{ - return DRM(agp_allocate_memory)(pages, type); -} - -/** Wrapper around agp_free_memory() */ -int DRM(free_agp)(DRM_AGP_MEM *handle, int pages) -{ - return DRM(agp_free_memory)(handle) ? 0 : -EINVAL; -} - -/** Wrapper around agp_bind_memory() */ -int DRM(bind_agp)(DRM_AGP_MEM *handle, unsigned int start) -{ - return DRM(agp_bind_memory)(handle, start); -} - -/** Wrapper around agp_unbind_memory() */ -int DRM(unbind_agp)(DRM_AGP_MEM *handle) -{ - return DRM(agp_unbind_memory)(handle); -} -#endif /* agp */ -#endif /* debug_memory */ diff -Nru a/drivers/char/drm/drm_memory_debug.h b/drivers/char/drm/drm_memory_debug.h --- a/drivers/char/drm/drm_memory_debug.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/drm_memory_debug.h 2004-12-12 18:07:35 -08:00 @@ -167,7 +167,7 @@ return pt; } -void *DRM(calloc)(size_t size, size_t nmemb, int area) +void *DRM(calloc)(size_t nmemb, size_t size, int area) { void *addr; diff -Nru a/drivers/char/drm/drm_os_linux.h b/drivers/char/drm/drm_os_linux.h --- a/drivers/char/drm/drm_os_linux.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/drm_os_linux.h 2004-12-12 18:07:35 -08:00 @@ -100,11 +100,6 @@ __put_user(val, uaddr) -/** 'malloc' without the overhead of DRM(alloc)() */ -#define DRM_MALLOC(x) kmalloc(x, GFP_KERNEL) -/** 'free' without the overhead of DRM(free)() */ -#define DRM_FREE(x,size) kfree(x) - #define DRM_GET_PRIV_WITH_RETURN(_priv, _filp) _priv = _filp->private_data /** diff -Nru a/drivers/char/drm/drm_proc.c b/drivers/char/drm/drm_proc.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_proc.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,539 @@ +/** + * \file drm_proc.h + * /proc support for DRM + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + * + * \par Acknowledgements: + * Matthew J Sottek sent in a patch to fix + * the problem with the proc files not outputting all their information. + */ + +/* + * Created: Mon Jan 11 09:48:47 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +static int drm_name_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int drm_vm_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int drm_clients_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int drm_queues_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int drm_bufs_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +#if DRM_DEBUG_CODE +static int drm_vma_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +#endif + +/** + * Proc file list. + */ +struct drm_proc_list { + const char *name; /**< file name */ + int (*f)(char *, char **, off_t, int, int *, void *); /**< proc callback*/ +} drm_proc_list[] = { + { "name", drm_name_info }, + { "mem", drm_mem_info }, + { "vm", drm_vm_info }, + { "clients", drm_clients_info }, + { "queues", drm_queues_info }, + { "bufs", drm_bufs_info }, +#if DRM_DEBUG_CODE + { "vma", drm_vma_info }, +#endif +}; +#define DRM_PROC_ENTRIES (sizeof(drm_proc_list)/sizeof(drm_proc_list[0])) + +/** + * Initialize the DRI proc filesystem for a device. + * + * \param dev DRM device. + * \param minor device minor number. + * \param root DRI proc dir entry. + * \param dev_root resulting DRI device proc dir entry. + * \return root entry pointer on success, or NULL on failure. + * + * Create the DRI proc root entry "/proc/dri", the device proc root entry + * "/proc/dri/%minor%/", and each entry in proc_list as + * "/proc/dri/%minor%/%name%". + */ +int drm_proc_init(drm_device_t *dev, int minor, + struct proc_dir_entry *root, + struct proc_dir_entry **dev_root) +{ + struct proc_dir_entry *ent; + int i, j; + char name[64]; + + sprintf(name, "%d", minor); + *dev_root = create_proc_entry(name, S_IFDIR, root); + if (!*dev_root) { + DRM_ERROR("Cannot create /proc/dri/%s\n", name); + return -1; + } + + for (i = 0; i < DRM_PROC_ENTRIES; i++) { + ent = create_proc_entry(drm_proc_list[i].name, + S_IFREG|S_IRUGO, *dev_root); + if (!ent) { + DRM_ERROR("Cannot create /proc/dri/%s/%s\n", + name, drm_proc_list[i].name); + for (j = 0; j < i; j++) + remove_proc_entry(drm_proc_list[i].name, + *dev_root); + remove_proc_entry(name, root); + return -1; + } + ent->read_proc = drm_proc_list[i].f; + ent->data = dev; + } + + return 0; +} + + +/** + * Cleanup the proc filesystem resources. + * + * \param minor device minor number. + * \param root DRI proc dir entry. + * \param dev_root DRI device proc dir entry. + * \return always zero. + * + * Remove all proc entries created by proc_init(). + */ +int drm_proc_cleanup(int minor, struct proc_dir_entry *root, + struct proc_dir_entry *dev_root) +{ + int i; + char name[64]; + + if (!root || !dev_root) return 0; + + for (i = 0; i < DRM_PROC_ENTRIES; i++) + remove_proc_entry(drm_proc_list[i].name, dev_root); + sprintf(name, "%d", minor); + remove_proc_entry(name, root); + + return 0; +} + +/** + * Called when "/proc/dri/.../name" is read. + * + * \param buf output buffer. + * \param start start of output data. + * \param offset requested start offset. + * \param request requested number of bytes. + * \param eof whether there is no more data to return. + * \param data private data. + * \return number of written bytes. + * + * Prints the device name together with the bus id if available. + */ +static int drm_name_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + if (dev->unique) { + DRM_PROC_PRINT("%s 0x%lx %s\n", + dev->driver->pci_driver.name, (long)old_encode_dev(dev->device), dev->unique); + } else { + DRM_PROC_PRINT("%s 0x%lx\n", dev->driver->pci_driver.name, (long)old_encode_dev(dev->device)); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +/** + * Called when "/proc/dri/.../vm" is read. + * + * \param buf output buffer. + * \param start start of output data. + * \param offset requested start offset. + * \param request requested number of bytes. + * \param eof whether there is no more data to return. + * \param data private data. + * \return number of written bytes. + * + * Prints information about all mappings in drm_device::maplist. + */ +static int drm__vm_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + drm_map_t *map; + drm_map_list_t *r_list; + struct list_head *list; + + /* Hardcoded from _DRM_FRAME_BUFFER, + _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and + _DRM_SCATTER_GATHER. */ + const char *types[] = { "FB", "REG", "SHM", "AGP", "SG" }; + const char *type; + int i; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT("slot offset size type flags " + "address mtrr\n\n"); + i = 0; + if (dev->maplist != NULL) list_for_each(list, &dev->maplist->head) { + r_list = list_entry(list, drm_map_list_t, head); + map = r_list->map; + if(!map) continue; + if (map->type < 0 || map->type > 4) type = "??"; + else type = types[map->type]; + DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ", + i, + map->offset, + map->size, + type, + map->flags, + (unsigned long)map->handle); + if (map->mtrr < 0) { + DRM_PROC_PRINT("none\n"); + } else { + DRM_PROC_PRINT("%4d\n", map->mtrr); + } + i++; + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +/** + * Simply calls _vm_info() while holding the drm_device::struct_sem lock. + */ +static int drm_vm_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = drm__vm_info(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} + +/** + * Called when "/proc/dri/.../queues" is read. + * + * \param buf output buffer. + * \param start start of output data. + * \param offset requested start offset. + * \param request requested number of bytes. + * \param eof whether there is no more data to return. + * \param data private data. + * \return number of written bytes. + */ +static int drm__queues_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + int i; + drm_queue_t *q; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT(" ctx/flags use fin" + " blk/rw/rwf wait flushed queued" + " locks\n\n"); + for (i = 0; i < dev->queue_count; i++) { + q = dev->queuelist[i]; + atomic_inc(&q->use_count); + DRM_PROC_PRINT_RET(atomic_dec(&q->use_count), + "%5d/0x%03x %5d %5d" + " %5d/%c%c/%c%c%c %5Zd\n", + i, + q->flags, + atomic_read(&q->use_count), + atomic_read(&q->finalization), + atomic_read(&q->block_count), + atomic_read(&q->block_read) ? 'r' : '-', + atomic_read(&q->block_write) ? 'w' : '-', + waitqueue_active(&q->read_queue) ? 'r':'-', + waitqueue_active(&q->write_queue) ? 'w':'-', + waitqueue_active(&q->flush_queue) ? 'f':'-', + DRM_BUFCOUNT(&q->waitlist)); + atomic_dec(&q->use_count); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +/** + * Simply calls _queues_info() while holding the drm_device::struct_sem lock. + */ +static int drm_queues_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = drm__queues_info(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} + +/** + * Called when "/proc/dri/.../bufs" is read. + * + * \param buf output buffer. + * \param start start of output data. + * \param offset requested start offset. + * \param request requested number of bytes. + * \param eof whether there is no more data to return. + * \param data private data. + * \return number of written bytes. + */ +static int drm__bufs_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + drm_device_dma_t *dma = dev->dma; + int i; + + if (!dma || offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT(" o size count free segs pages kB\n\n"); + for (i = 0; i <= DRM_MAX_ORDER; i++) { + if (dma->bufs[i].buf_count) + DRM_PROC_PRINT("%2d %8d %5d %5d %5d %5d %5ld\n", + i, + dma->bufs[i].buf_size, + dma->bufs[i].buf_count, + atomic_read(&dma->bufs[i] + .freelist.count), + dma->bufs[i].seg_count, + dma->bufs[i].seg_count + *(1 << dma->bufs[i].page_order), + (dma->bufs[i].seg_count + * (1 << dma->bufs[i].page_order)) + * PAGE_SIZE / 1024); + } + DRM_PROC_PRINT("\n"); + for (i = 0; i < dma->buf_count; i++) { + if (i && !(i%32)) DRM_PROC_PRINT("\n"); + DRM_PROC_PRINT(" %d", dma->buflist[i]->list); + } + DRM_PROC_PRINT("\n"); + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +/** + * Simply calls _bufs_info() while holding the drm_device::struct_sem lock. + */ +static int drm_bufs_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = drm__bufs_info(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} + +/** + * Called when "/proc/dri/.../clients" is read. + * + * \param buf output buffer. + * \param start start of output data. + * \param offset requested start offset. + * \param request requested number of bytes. + * \param eof whether there is no more data to return. + * \param data private data. + * \return number of written bytes. + */ +static int drm__clients_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + drm_file_t *priv; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n"); + for (priv = dev->file_first; priv; priv = priv->next) { + DRM_PROC_PRINT("%c %3d %5d %5d %10u %10lu\n", + priv->authenticated ? 'y' : 'n', + priv->minor, + priv->pid, + priv->uid, + priv->magic, + priv->ioctl_count); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +/** + * Simply calls _clients_info() while holding the drm_device::struct_sem lock. + */ +static int drm_clients_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = drm__clients_info(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} + +#if DRM_DEBUG_CODE + +static int drm__vma_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + drm_vma_entry_t *pt; + struct vm_area_struct *vma; +#if defined(__i386__) + unsigned int pgprot; +#endif + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n", + atomic_read(&dev->vma_count), + high_memory, virt_to_phys(high_memory)); + for (pt = dev->vmalist; pt; pt = pt->next) { + if (!(vma = pt->vma)) continue; + DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx", + pt->pid, + vma->vm_start, + vma->vm_end, + vma->vm_flags & VM_READ ? 'r' : '-', + vma->vm_flags & VM_WRITE ? 'w' : '-', + vma->vm_flags & VM_EXEC ? 'x' : '-', + vma->vm_flags & VM_MAYSHARE ? 's' : 'p', + vma->vm_flags & VM_LOCKED ? 'l' : '-', + vma->vm_flags & VM_IO ? 'i' : '-', + VM_OFFSET(vma)); + +#if defined(__i386__) + pgprot = pgprot_val(vma->vm_page_prot); + DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c", + pgprot & _PAGE_PRESENT ? 'p' : '-', + pgprot & _PAGE_RW ? 'w' : 'r', + pgprot & _PAGE_USER ? 'u' : 's', + pgprot & _PAGE_PWT ? 't' : 'b', + pgprot & _PAGE_PCD ? 'u' : 'c', + pgprot & _PAGE_ACCESSED ? 'a' : '-', + pgprot & _PAGE_DIRTY ? 'd' : '-', + pgprot & _PAGE_PSE ? 'm' : 'k', + pgprot & _PAGE_GLOBAL ? 'g' : 'l' ); +#endif + DRM_PROC_PRINT("\n"); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +static int drm_vma_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = drm__vma_info(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} +#endif + + diff -Nru a/drivers/char/drm/drm_proc.h b/drivers/char/drm/drm_proc.h --- a/drivers/char/drm/drm_proc.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,547 +0,0 @@ -/** - * \file drm_proc.h - * /proc support for DRM - * - * \author Rickard E. (Rik) Faith - * \author Gareth Hughes - * - * \par Acknowledgements: - * Matthew J Sottek sent in a patch to fix - * the problem with the proc files not outputting all their information. - */ - -/* - * Created: Mon Jan 11 09:48:47 1999 by faith@valinux.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "drmP.h" - -static int DRM(name_info)(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -static int DRM(vm_info)(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -static int DRM(clients_info)(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -static int DRM(queues_info)(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -static int DRM(bufs_info)(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -#if DRM_DEBUG_CODE -static int DRM(vma_info)(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -#endif - -/** - * Proc file list. - */ -struct drm_proc_list { - const char *name; /**< file name */ - int (*f)(char *, char **, off_t, int, int *, void *); /**< proc callback*/ -} DRM(proc_list)[] = { - { "name", DRM(name_info) }, - { "mem", DRM(mem_info) }, - { "vm", DRM(vm_info) }, - { "clients", DRM(clients_info) }, - { "queues", DRM(queues_info) }, - { "bufs", DRM(bufs_info) }, -#if DRM_DEBUG_CODE - { "vma", DRM(vma_info) }, -#endif -}; -#define DRM_PROC_ENTRIES (sizeof(DRM(proc_list))/sizeof(DRM(proc_list)[0])) - -/** - * Initialize the DRI proc filesystem for a device. - * - * \param dev DRM device. - * \param minor device minor number. - * \param root DRI proc dir entry. - * \param dev_root resulting DRI device proc dir entry. - * \return root entry pointer on success, or NULL on failure. - * - * Create the DRI proc root entry "/proc/dri", the device proc root entry - * "/proc/dri/%minor%/", and each entry in proc_list as - * "/proc/dri/%minor%/%name%". - */ -struct proc_dir_entry *DRM(proc_init)(drm_device_t *dev, int minor, - struct proc_dir_entry *root, - struct proc_dir_entry **dev_root) -{ - struct proc_dir_entry *ent; - int i, j; - char name[64]; - - if (!minor) root = create_proc_entry("dri", S_IFDIR, NULL); - if (!root) { - DRM_ERROR("Cannot create /proc/dri\n"); - return NULL; - } - - sprintf(name, "%d", minor); - *dev_root = create_proc_entry(name, S_IFDIR, root); - if (!*dev_root) { - DRM_ERROR("Cannot create /proc/dri/%s\n", name); - return NULL; - } - - for (i = 0; i < DRM_PROC_ENTRIES; i++) { - ent = create_proc_entry(DRM(proc_list)[i].name, - S_IFREG|S_IRUGO, *dev_root); - if (!ent) { - DRM_ERROR("Cannot create /proc/dri/%s/%s\n", - name, DRM(proc_list)[i].name); - for (j = 0; j < i; j++) - remove_proc_entry(DRM(proc_list)[i].name, - *dev_root); - remove_proc_entry(name, root); - if (!minor) remove_proc_entry("dri", NULL); - return NULL; - } - ent->read_proc = DRM(proc_list)[i].f; - ent->data = dev; - } - - return root; -} - - -/** - * Cleanup the proc filesystem resources. - * - * \param minor device minor number. - * \param root DRI proc dir entry. - * \param dev_root DRI device proc dir entry. - * \return always zero. - * - * Remove all proc entries created by proc_init(). - */ -int DRM(proc_cleanup)(int minor, struct proc_dir_entry *root, - struct proc_dir_entry *dev_root) -{ - int i; - char name[64]; - - if (!root || !dev_root) return 0; - - for (i = 0; i < DRM_PROC_ENTRIES; i++) - remove_proc_entry(DRM(proc_list)[i].name, dev_root); - sprintf(name, "%d", minor); - remove_proc_entry(name, root); - if (!minor) remove_proc_entry("dri", NULL); - - return 0; -} - -/** - * Called when "/proc/dri/.../name" is read. - * - * \param buf output buffer. - * \param start start of output data. - * \param offset requested start offset. - * \param request requested number of bytes. - * \param eof whether there is no more data to return. - * \param data private data. - * \return number of written bytes. - * - * Prints the device name together with the bus id if available. - */ -static int DRM(name_info)(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - drm_device_t *dev = (drm_device_t *)data; - int len = 0; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - - if (dev->unique) { - DRM_PROC_PRINT("%s 0x%lx %s\n", - dev->name, (long)old_encode_dev(dev->device), dev->unique); - } else { - DRM_PROC_PRINT("%s 0x%lx\n", dev->name, (long)old_encode_dev(dev->device)); - } - - if (len > request + offset) return request; - *eof = 1; - return len - offset; -} - -/** - * Called when "/proc/dri/.../vm" is read. - * - * \param buf output buffer. - * \param start start of output data. - * \param offset requested start offset. - * \param request requested number of bytes. - * \param eof whether there is no more data to return. - * \param data private data. - * \return number of written bytes. - * - * Prints information about all mappings in drm_device::maplist. - */ -static int DRM(_vm_info)(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - drm_device_t *dev = (drm_device_t *)data; - int len = 0; - drm_map_t *map; - drm_map_list_t *r_list; - struct list_head *list; - - /* Hardcoded from _DRM_FRAME_BUFFER, - _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and - _DRM_SCATTER_GATHER. */ - const char *types[] = { "FB", "REG", "SHM", "AGP", "SG" }; - const char *type; - int i; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - - DRM_PROC_PRINT("slot offset size type flags " - "address mtrr\n\n"); - i = 0; - if (dev->maplist != NULL) list_for_each(list, &dev->maplist->head) { - r_list = list_entry(list, drm_map_list_t, head); - map = r_list->map; - if(!map) continue; - if (map->type < 0 || map->type > 4) type = "??"; - else type = types[map->type]; - DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ", - i, - map->offset, - map->size, - type, - map->flags, - (unsigned long)map->handle); - if (map->mtrr < 0) { - DRM_PROC_PRINT("none\n"); - } else { - DRM_PROC_PRINT("%4d\n", map->mtrr); - } - i++; - } - - if (len > request + offset) return request; - *eof = 1; - return len - offset; -} - -/** - * Simply calls _vm_info() while holding the drm_device::struct_sem lock. - */ -static int DRM(vm_info)(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - drm_device_t *dev = (drm_device_t *)data; - int ret; - - down(&dev->struct_sem); - ret = DRM(_vm_info)(buf, start, offset, request, eof, data); - up(&dev->struct_sem); - return ret; -} - -/** - * Called when "/proc/dri/.../queues" is read. - * - * \param buf output buffer. - * \param start start of output data. - * \param offset requested start offset. - * \param request requested number of bytes. - * \param eof whether there is no more data to return. - * \param data private data. - * \return number of written bytes. - */ -static int DRM(_queues_info)(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - drm_device_t *dev = (drm_device_t *)data; - int len = 0; - int i; - drm_queue_t *q; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - - DRM_PROC_PRINT(" ctx/flags use fin" - " blk/rw/rwf wait flushed queued" - " locks\n\n"); - for (i = 0; i < dev->queue_count; i++) { - q = dev->queuelist[i]; - atomic_inc(&q->use_count); - DRM_PROC_PRINT_RET(atomic_dec(&q->use_count), - "%5d/0x%03x %5d %5d" - " %5d/%c%c/%c%c%c %5Zd\n", - i, - q->flags, - atomic_read(&q->use_count), - atomic_read(&q->finalization), - atomic_read(&q->block_count), - atomic_read(&q->block_read) ? 'r' : '-', - atomic_read(&q->block_write) ? 'w' : '-', - waitqueue_active(&q->read_queue) ? 'r':'-', - waitqueue_active(&q->write_queue) ? 'w':'-', - waitqueue_active(&q->flush_queue) ? 'f':'-', - DRM_BUFCOUNT(&q->waitlist)); - atomic_dec(&q->use_count); - } - - if (len > request + offset) return request; - *eof = 1; - return len - offset; -} - -/** - * Simply calls _queues_info() while holding the drm_device::struct_sem lock. - */ -static int DRM(queues_info)(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - drm_device_t *dev = (drm_device_t *)data; - int ret; - - down(&dev->struct_sem); - ret = DRM(_queues_info)(buf, start, offset, request, eof, data); - up(&dev->struct_sem); - return ret; -} - -/** - * Called when "/proc/dri/.../bufs" is read. - * - * \param buf output buffer. - * \param start start of output data. - * \param offset requested start offset. - * \param request requested number of bytes. - * \param eof whether there is no more data to return. - * \param data private data. - * \return number of written bytes. - */ -static int DRM(_bufs_info)(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - drm_device_t *dev = (drm_device_t *)data; - int len = 0; - drm_device_dma_t *dma = dev->dma; - int i; - - if (!dma || offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - - DRM_PROC_PRINT(" o size count free segs pages kB\n\n"); - for (i = 0; i <= DRM_MAX_ORDER; i++) { - if (dma->bufs[i].buf_count) - DRM_PROC_PRINT("%2d %8d %5d %5d %5d %5d %5ld\n", - i, - dma->bufs[i].buf_size, - dma->bufs[i].buf_count, - atomic_read(&dma->bufs[i] - .freelist.count), - dma->bufs[i].seg_count, - dma->bufs[i].seg_count - *(1 << dma->bufs[i].page_order), - (dma->bufs[i].seg_count - * (1 << dma->bufs[i].page_order)) - * PAGE_SIZE / 1024); - } - DRM_PROC_PRINT("\n"); - for (i = 0; i < dma->buf_count; i++) { - if (i && !(i%32)) DRM_PROC_PRINT("\n"); - DRM_PROC_PRINT(" %d", dma->buflist[i]->list); - } - DRM_PROC_PRINT("\n"); - - if (len > request + offset) return request; - *eof = 1; - return len - offset; -} - -/** - * Simply calls _bufs_info() while holding the drm_device::struct_sem lock. - */ -static int DRM(bufs_info)(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - drm_device_t *dev = (drm_device_t *)data; - int ret; - - down(&dev->struct_sem); - ret = DRM(_bufs_info)(buf, start, offset, request, eof, data); - up(&dev->struct_sem); - return ret; -} - -/** - * Called when "/proc/dri/.../clients" is read. - * - * \param buf output buffer. - * \param start start of output data. - * \param offset requested start offset. - * \param request requested number of bytes. - * \param eof whether there is no more data to return. - * \param data private data. - * \return number of written bytes. - */ -static int DRM(_clients_info)(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - drm_device_t *dev = (drm_device_t *)data; - int len = 0; - drm_file_t *priv; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - - DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n"); - for (priv = dev->file_first; priv; priv = priv->next) { - DRM_PROC_PRINT("%c %3d %5d %5d %10u %10lu\n", - priv->authenticated ? 'y' : 'n', - priv->minor, - priv->pid, - priv->uid, - priv->magic, - priv->ioctl_count); - } - - if (len > request + offset) return request; - *eof = 1; - return len - offset; -} - -/** - * Simply calls _clients_info() while holding the drm_device::struct_sem lock. - */ -static int DRM(clients_info)(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - drm_device_t *dev = (drm_device_t *)data; - int ret; - - down(&dev->struct_sem); - ret = DRM(_clients_info)(buf, start, offset, request, eof, data); - up(&dev->struct_sem); - return ret; -} - -#if DRM_DEBUG_CODE - -static int DRM(_vma_info)(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - drm_device_t *dev = (drm_device_t *)data; - int len = 0; - drm_vma_entry_t *pt; - struct vm_area_struct *vma; -#if defined(__i386__) - unsigned int pgprot; -#endif - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - - DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n", - atomic_read(&dev->vma_count), - high_memory, virt_to_phys(high_memory)); - for (pt = dev->vmalist; pt; pt = pt->next) { - if (!(vma = pt->vma)) continue; - DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx", - pt->pid, - vma->vm_start, - vma->vm_end, - vma->vm_flags & VM_READ ? 'r' : '-', - vma->vm_flags & VM_WRITE ? 'w' : '-', - vma->vm_flags & VM_EXEC ? 'x' : '-', - vma->vm_flags & VM_MAYSHARE ? 's' : 'p', - vma->vm_flags & VM_LOCKED ? 'l' : '-', - vma->vm_flags & VM_IO ? 'i' : '-', - VM_OFFSET(vma)); - -#if defined(__i386__) - pgprot = pgprot_val(vma->vm_page_prot); - DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c", - pgprot & _PAGE_PRESENT ? 'p' : '-', - pgprot & _PAGE_RW ? 'w' : 'r', - pgprot & _PAGE_USER ? 'u' : 's', - pgprot & _PAGE_PWT ? 't' : 'b', - pgprot & _PAGE_PCD ? 'u' : 'c', - pgprot & _PAGE_ACCESSED ? 'a' : '-', - pgprot & _PAGE_DIRTY ? 'd' : '-', - pgprot & _PAGE_PSE ? 'm' : 'k', - pgprot & _PAGE_GLOBAL ? 'g' : 'l' ); -#endif - DRM_PROC_PRINT("\n"); - } - - if (len > request + offset) return request; - *eof = 1; - return len - offset; -} - -static int DRM(vma_info)(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - drm_device_t *dev = (drm_device_t *)data; - int ret; - - down(&dev->struct_sem); - ret = DRM(_vma_info)(buf, start, offset, request, eof, data); - up(&dev->struct_sem); - return ret; -} -#endif - - diff -Nru a/drivers/char/drm/drm_scatter.c b/drivers/char/drm/drm_scatter.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_scatter.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,231 @@ +/** + * \file drm_scatter.h + * IOCTLs to manage scatter/gather memory + * + * \author Gareth Hughes + */ + +/* + * Created: Mon Dec 18 23:20:54 2000 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include +#include +#include "drmP.h" + +#define DEBUG_SCATTER 0 + +void drm_sg_cleanup( drm_sg_mem_t *entry ) +{ + struct page *page; + int i; + + for ( i = 0 ; i < entry->pages ; i++ ) { + page = entry->pagelist[i]; + if ( page ) + ClearPageReserved( page ); + } + + vfree( entry->virtual ); + + drm_free( entry->busaddr, + entry->pages * sizeof(*entry->busaddr), + DRM_MEM_PAGES ); + drm_free( entry->pagelist, + entry->pages * sizeof(*entry->pagelist), + DRM_MEM_PAGES ); + drm_free( entry, + sizeof(*entry), + DRM_MEM_SGLISTS ); +} + +int drm_sg_alloc( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_scatter_gather_t __user *argp = (void __user *)arg; + drm_scatter_gather_t request; + drm_sg_mem_t *entry; + unsigned long pages, i, j; + + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + if (!drm_core_check_feature(dev, DRIVER_SG)) + return -EINVAL; + + if ( dev->sg ) + return -EINVAL; + + if ( copy_from_user( &request, argp, sizeof(request) ) ) + return -EFAULT; + + entry = drm_alloc( sizeof(*entry), DRM_MEM_SGLISTS ); + if ( !entry ) + return -ENOMEM; + + memset( entry, 0, sizeof(*entry) ); + + pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE; + DRM_DEBUG( "sg size=%ld pages=%ld\n", request.size, pages ); + + entry->pages = pages; + entry->pagelist = drm_alloc( pages * sizeof(*entry->pagelist), + DRM_MEM_PAGES ); + if ( !entry->pagelist ) { + drm_free( entry, sizeof(*entry), DRM_MEM_SGLISTS ); + return -ENOMEM; + } + + memset(entry->pagelist, 0, pages * sizeof(*entry->pagelist)); + + entry->busaddr = drm_alloc( pages * sizeof(*entry->busaddr), + DRM_MEM_PAGES ); + if ( !entry->busaddr ) { + drm_free( entry->pagelist, + entry->pages * sizeof(*entry->pagelist), + DRM_MEM_PAGES ); + drm_free( entry, + sizeof(*entry), + DRM_MEM_SGLISTS ); + return -ENOMEM; + } + memset( (void *)entry->busaddr, 0, pages * sizeof(*entry->busaddr) ); + + entry->virtual = vmalloc_32( pages << PAGE_SHIFT ); + if ( !entry->virtual ) { + drm_free( entry->busaddr, + entry->pages * sizeof(*entry->busaddr), + DRM_MEM_PAGES ); + drm_free( entry->pagelist, + entry->pages * sizeof(*entry->pagelist), + DRM_MEM_PAGES ); + drm_free( entry, + sizeof(*entry), + DRM_MEM_SGLISTS ); + return -ENOMEM; + } + + /* This also forces the mapping of COW pages, so our page list + * will be valid. Please don't remove it... + */ + memset( entry->virtual, 0, pages << PAGE_SHIFT ); + + entry->handle = (unsigned long)entry->virtual; + + DRM_DEBUG( "sg alloc handle = %08lx\n", entry->handle ); + DRM_DEBUG( "sg alloc virtual = %p\n", entry->virtual ); + + for ( i = entry->handle, j = 0 ; j < pages ; i += PAGE_SIZE, j++ ) { + entry->pagelist[j] = vmalloc_to_page((void *)i); + if (!entry->pagelist[j]) + goto failed; + SetPageReserved(entry->pagelist[j]); + } + + request.handle = entry->handle; + + if ( copy_to_user( argp, &request, sizeof(request) ) ) { + drm_sg_cleanup( entry ); + return -EFAULT; + } + + dev->sg = entry; + +#if DEBUG_SCATTER + /* Verify that each page points to its virtual address, and vice + * versa. + */ + { + int error = 0; + + for ( i = 0 ; i < pages ; i++ ) { + unsigned long *tmp; + + tmp = page_address( entry->pagelist[i] ); + for ( j = 0 ; + j < PAGE_SIZE / sizeof(unsigned long) ; + j++, tmp++ ) { + *tmp = 0xcafebabe; + } + tmp = (unsigned long *)((u8 *)entry->virtual + + (PAGE_SIZE * i)); + for( j = 0 ; + j < PAGE_SIZE / sizeof(unsigned long) ; + j++, tmp++ ) { + if ( *tmp != 0xcafebabe && error == 0 ) { + error = 1; + DRM_ERROR( "Scatter allocation error, " + "pagelist does not match " + "virtual mapping\n" ); + } + } + tmp = page_address( entry->pagelist[i] ); + for(j = 0 ; + j < PAGE_SIZE / sizeof(unsigned long) ; + j++, tmp++) { + *tmp = 0; + } + } + if (error == 0) + DRM_ERROR( "Scatter allocation matches pagelist\n" ); + } +#endif + + return 0; + + failed: + drm_sg_cleanup( entry ); + return -ENOMEM; +} + +int drm_sg_free( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_scatter_gather_t request; + drm_sg_mem_t *entry; + + if (!drm_core_check_feature(dev, DRIVER_SG)) + return -EINVAL; + + if ( copy_from_user( &request, + (drm_scatter_gather_t __user *)arg, + sizeof(request) ) ) + return -EFAULT; + + entry = dev->sg; + dev->sg = NULL; + + if ( !entry || entry->handle != request.handle ) + return -EINVAL; + + DRM_DEBUG( "sg free virtual = %p\n", entry->virtual ); + + drm_sg_cleanup( entry ); + + return 0; +} diff -Nru a/drivers/char/drm/drm_scatter.h b/drivers/char/drm/drm_scatter.h --- a/drivers/char/drm/drm_scatter.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,231 +0,0 @@ -/** - * \file drm_scatter.h - * IOCTLs to manage scatter/gather memory - * - * \author Gareth Hughes - */ - -/* - * Created: Mon Dec 18 23:20:54 2000 by gareth@valinux.com - * - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -#include -#include -#include "drmP.h" - -#define DEBUG_SCATTER 0 - -void DRM(sg_cleanup)( drm_sg_mem_t *entry ) -{ - struct page *page; - int i; - - for ( i = 0 ; i < entry->pages ; i++ ) { - page = entry->pagelist[i]; - if ( page ) - ClearPageReserved( page ); - } - - vfree( entry->virtual ); - - DRM(free)( entry->busaddr, - entry->pages * sizeof(*entry->busaddr), - DRM_MEM_PAGES ); - DRM(free)( entry->pagelist, - entry->pages * sizeof(*entry->pagelist), - DRM_MEM_PAGES ); - DRM(free)( entry, - sizeof(*entry), - DRM_MEM_SGLISTS ); -} - -int DRM(sg_alloc)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_scatter_gather_t __user *argp = (void __user *)arg; - drm_scatter_gather_t request; - drm_sg_mem_t *entry; - unsigned long pages, i, j; - - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - if (!drm_core_check_feature(dev, DRIVER_SG)) - return -EINVAL; - - if ( dev->sg ) - return -EINVAL; - - if ( copy_from_user( &request, argp, sizeof(request) ) ) - return -EFAULT; - - entry = DRM(alloc)( sizeof(*entry), DRM_MEM_SGLISTS ); - if ( !entry ) - return -ENOMEM; - - memset( entry, 0, sizeof(*entry) ); - - pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE; - DRM_DEBUG( "sg size=%ld pages=%ld\n", request.size, pages ); - - entry->pages = pages; - entry->pagelist = DRM(alloc)( pages * sizeof(*entry->pagelist), - DRM_MEM_PAGES ); - if ( !entry->pagelist ) { - DRM(free)( entry, sizeof(*entry), DRM_MEM_SGLISTS ); - return -ENOMEM; - } - - memset(entry->pagelist, 0, pages * sizeof(*entry->pagelist)); - - entry->busaddr = DRM(alloc)( pages * sizeof(*entry->busaddr), - DRM_MEM_PAGES ); - if ( !entry->busaddr ) { - DRM(free)( entry->pagelist, - entry->pages * sizeof(*entry->pagelist), - DRM_MEM_PAGES ); - DRM(free)( entry, - sizeof(*entry), - DRM_MEM_SGLISTS ); - return -ENOMEM; - } - memset( (void *)entry->busaddr, 0, pages * sizeof(*entry->busaddr) ); - - entry->virtual = vmalloc_32( pages << PAGE_SHIFT ); - if ( !entry->virtual ) { - DRM(free)( entry->busaddr, - entry->pages * sizeof(*entry->busaddr), - DRM_MEM_PAGES ); - DRM(free)( entry->pagelist, - entry->pages * sizeof(*entry->pagelist), - DRM_MEM_PAGES ); - DRM(free)( entry, - sizeof(*entry), - DRM_MEM_SGLISTS ); - return -ENOMEM; - } - - /* This also forces the mapping of COW pages, so our page list - * will be valid. Please don't remove it... - */ - memset( entry->virtual, 0, pages << PAGE_SHIFT ); - - entry->handle = (unsigned long)entry->virtual; - - DRM_DEBUG( "sg alloc handle = %08lx\n", entry->handle ); - DRM_DEBUG( "sg alloc virtual = %p\n", entry->virtual ); - - for ( i = entry->handle, j = 0 ; j < pages ; i += PAGE_SIZE, j++ ) { - entry->pagelist[j] = vmalloc_to_page((void *)i); - if (!entry->pagelist[j]) - goto failed; - SetPageReserved(entry->pagelist[j]); - } - - request.handle = entry->handle; - - if ( copy_to_user( argp, &request, sizeof(request) ) ) { - DRM(sg_cleanup)( entry ); - return -EFAULT; - } - - dev->sg = entry; - -#if DEBUG_SCATTER - /* Verify that each page points to its virtual address, and vice - * versa. - */ - { - int error = 0; - - for ( i = 0 ; i < pages ; i++ ) { - unsigned long *tmp; - - tmp = page_address( entry->pagelist[i] ); - for ( j = 0 ; - j < PAGE_SIZE / sizeof(unsigned long) ; - j++, tmp++ ) { - *tmp = 0xcafebabe; - } - tmp = (unsigned long *)((u8 *)entry->virtual + - (PAGE_SIZE * i)); - for( j = 0 ; - j < PAGE_SIZE / sizeof(unsigned long) ; - j++, tmp++ ) { - if ( *tmp != 0xcafebabe && error == 0 ) { - error = 1; - DRM_ERROR( "Scatter allocation error, " - "pagelist does not match " - "virtual mapping\n" ); - } - } - tmp = page_address( entry->pagelist[i] ); - for(j = 0 ; - j < PAGE_SIZE / sizeof(unsigned long) ; - j++, tmp++) { - *tmp = 0; - } - } - if (error == 0) - DRM_ERROR( "Scatter allocation matches pagelist\n" ); - } -#endif - - return 0; - - failed: - DRM(sg_cleanup)( entry ); - return -ENOMEM; -} - -int DRM(sg_free)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_scatter_gather_t request; - drm_sg_mem_t *entry; - - if (!drm_core_check_feature(dev, DRIVER_SG)) - return -EINVAL; - - if ( copy_from_user( &request, - (drm_scatter_gather_t __user *)arg, - sizeof(request) ) ) - return -EFAULT; - - entry = dev->sg; - dev->sg = NULL; - - if ( !entry || entry->handle != request.handle ) - return -EINVAL; - - DRM_DEBUG( "sg free virtual = %p\n", entry->virtual ); - - DRM(sg_cleanup)( entry ); - - return 0; -} diff -Nru a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_stub.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,256 @@ +/** + * \file drm_stub.h + * Stub support + * + * \author Rickard E. (Rik) Faith + */ + +/* + * Created: Fri Jan 19 10:48:35 2001 by faith@acm.org + * + * Copyright 2001 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include +#include +#include "drmP.h" +#include "drm_core.h" + +unsigned int drm_cards_limit = 16; /* Enough for one machine */ +unsigned int drm_debug = 0; /* 1 to enable debug output */ +EXPORT_SYMBOL(drm_debug); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); +MODULE_PARM_DESC(drm_cards_limit, "Maximum number of graphics cards"); +MODULE_PARM_DESC(drm_debug, "Enable debug output"); + +module_param_named(cards_limit, drm_cards_limit, int, 0444); +module_param_named(debug, drm_debug, int, 0666); + +drm_minor_t *drm_minors; +struct class_simple *drm_class; +struct proc_dir_entry *drm_proc_root; + +static int drm_fill_in_dev(drm_device_t *dev, struct pci_dev *pdev, const struct pci_device_id *ent, struct drm_driver *driver) +{ + int retcode; + + dev->count_lock = SPIN_LOCK_UNLOCKED; + init_timer( &dev->timer ); + sema_init( &dev->struct_sem, 1 ); + sema_init( &dev->ctxlist_sem, 1 ); + + dev->pdev = pdev; + +#ifdef __alpha__ + dev->hose = pdev->sysdata; + dev->pci_domain = dev->hose->bus->number; +#else + dev->pci_domain = 0; +#endif + dev->pci_bus = pdev->bus->number; + dev->pci_slot = PCI_SLOT(pdev->devfn); + dev->pci_func = PCI_FUNC(pdev->devfn); + dev->irq = pdev->irq; + + /* the DRM has 6 basic counters */ + dev->counters = 6; + dev->types[0] = _DRM_STAT_LOCK; + dev->types[1] = _DRM_STAT_OPENS; + dev->types[2] = _DRM_STAT_CLOSES; + dev->types[3] = _DRM_STAT_IOCTLS; + dev->types[4] = _DRM_STAT_LOCKS; + dev->types[5] = _DRM_STAT_UNLOCKS; + + dev->driver = driver; + + if (dev->driver->preinit) + if ((retcode = dev->driver->preinit(dev))) + goto error_out_unreg; + + if (drm_core_has_AGP(dev)) { + dev->agp = drm_agp_init(); + if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) && (dev->agp == NULL)) { + DRM_ERROR( "Cannot initialize the agpgart module.\n" ); + retcode = -EINVAL; + goto error_out_unreg; + } + if (drm_core_has_MTRR(dev)) { + if (dev->agp) + dev->agp->agp_mtrr = mtrr_add( dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size*1024*1024, + MTRR_TYPE_WRCOMB, + 1 ); + } + } + + retcode = drm_ctxbitmap_init( dev ); + if( retcode ) { + DRM_ERROR( "Cannot allocate memory for context bitmap.\n" ); + goto error_out_unreg; + } + + dev->device = MKDEV(DRM_MAJOR, dev->minor ); + + /* postinit is a required function to display the signon banner */ + if ((retcode = dev->driver->postinit(dev, ent->driver_data))) + goto error_out_unreg; + + return 0; + +error_out_unreg: + drm_takedown(dev); + return retcode; +} + +/** + * File \c open operation. + * + * \param inode device inode. + * \param filp file pointer. + * + * Puts the dev->fops corresponding to the device minor number into + * \p filp, call the \c open method, and restore the file operations. + */ +int drm_stub_open(struct inode *inode, struct file *filp) +{ + drm_device_t *dev = NULL; + int minor = iminor(inode); + int err = -ENODEV; + struct file_operations *old_fops; + + DRM_DEBUG("\n"); + + if (!((minor >= 0) && (minor < drm_cards_limit))) + return -ENODEV; + + dev = drm_minors[minor].dev; + if (!dev) + return -ENODEV; + + old_fops = filp->f_op; + filp->f_op = fops_get(&dev->driver->fops); + if (filp->f_op->open && (err = filp->f_op->open(inode, filp))) { + fops_put(filp->f_op); + filp->f_op = fops_get(old_fops); + } + fops_put(old_fops); + + return err; +} + +/** + * Get a device minor number. + * + * \param pdev PCI device structure + * \param ent entry from the PCI ID table with device type flags + * \return zero on success or a negative number on failure. + * + * Attempt to gets inter module "drm" information. If we are first + * then register the character device and inter module information. + * Try and register, if we fail to register, backout previous work. + */ +int drm_probe(struct pci_dev *pdev, const struct pci_device_id *ent, struct drm_driver *driver) +{ + struct class_device *dev_class; + drm_device_t *dev; + int ret; + int minor; + drm_minor_t *minors = &drm_minors[0]; + + DRM_DEBUG("\n"); + + for (minor = 0; minor < drm_cards_limit; minor++, minors++) { + if (minors->type == DRM_MINOR_FREE) { + + DRM_DEBUG("assigning minor %d\n", minor); + dev = drm_calloc(1, sizeof(*dev), DRM_MEM_STUB); + if (!dev) + return -ENOMEM; + + *minors = (drm_minor_t){.dev = dev, .type=DRM_MINOR_PRIMARY}; + dev->minor = minor; + + pci_enable_device(pdev); + + if ((ret=drm_fill_in_dev(dev, pdev, ent, driver))) { + printk(KERN_ERR "DRM: Fill_in_dev failed.\n"); + goto err_g1; + } + if ((ret = drm_proc_init(dev, minor, drm_proc_root, &minors->dev_root))) { + printk (KERN_ERR "DRM: Failed to initialize /proc/dri.\n"); + goto err_g1; + } + + + dev_class = class_simple_device_add(drm_class, + MKDEV(DRM_MAJOR, minor), &pdev->dev, "card%d", minor); + if (IS_ERR(dev_class)) { + printk(KERN_ERR "DRM: Error class_simple_device_add.\n"); + ret = PTR_ERR(dev_class); + goto err_g2; + } + + DRM_DEBUG("new minor assigned %d\n", minor); + return 0; + } + } + DRM_ERROR("out of minors\n"); + return -ENOMEM; +err_g2: + drm_proc_cleanup(minor, drm_proc_root, minors->dev_root); +err_g1: + *minors = (drm_minor_t){.dev = NULL, .type = DRM_MINOR_FREE}; + drm_free(dev, sizeof(*dev), DRM_MEM_STUB); + return ret; +} +EXPORT_SYMBOL(drm_probe); + + +/** + * Put a device minor number. + * + * \param minor minor number. + * \return always zero. + * + * Cleans up the proc resources. If a minor is zero then release the foreign + * "drm" data, otherwise unregisters the "drm" data, frees the stub list and + * unregisters the character device. + */ +int drm_put_minor(drm_device_t *dev) +{ + drm_minor_t *minors = &drm_minors[dev->minor]; + + DRM_DEBUG("release minor %d\n", dev->minor); + + drm_proc_cleanup(dev->minor, drm_proc_root, minors->dev_root); + class_simple_device_remove(MKDEV(DRM_MAJOR, dev->minor)); + + *minors = (drm_minor_t){.dev = NULL, .type = DRM_MINOR_FREE}; + drm_free(dev, sizeof(*dev), DRM_MEM_STUB); + + return 0; +} + diff -Nru a/drivers/char/drm/drm_stub.h b/drivers/char/drm/drm_stub.h --- a/drivers/char/drm/drm_stub.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,236 +0,0 @@ -/** - * \file drm_stub.h - * Stub support - * - * \author Rickard E. (Rik) Faith - */ - -/* - * Created: Fri Jan 19 10:48:35 2001 by faith@acm.org - * - * Copyright 2001 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -#include "drmP.h" - -#define DRM_STUB_MAXCARDS 16 /* Enough for one machine */ - -static struct class_simple *drm_class; - -/** Stub list. One for each minor. */ -static struct drm_stub_list { - const char *name; - struct file_operations *fops; /**< file operations */ - struct proc_dir_entry *dev_root; /**< proc directory entry */ -} *DRM(stub_list); - -static struct proc_dir_entry *DRM(stub_root); - -/** Stub information */ -static struct drm_stub_info { - int (*info_register)(const char *name, struct file_operations *fops, - drm_device_t *dev); - int (*info_unregister)(int minor); -} DRM(stub_info); - -/** - * File \c open operation. - * - * \param inode device inode. - * \param filp file pointer. - * - * Puts the drm_stub_list::fops corresponding to the device minor number into - * \p filp, call the \c open method, and restore the file operations. - */ -static int DRM(stub_open)(struct inode *inode, struct file *filp) -{ - int minor = iminor(inode); - int err = -ENODEV; - struct file_operations *old_fops; - - if (!DRM(stub_list) || !DRM(stub_list)[minor].fops) return -ENODEV; - old_fops = filp->f_op; - filp->f_op = fops_get(DRM(stub_list)[minor].fops); - if (filp->f_op->open && (err = filp->f_op->open(inode, filp))) { - fops_put(filp->f_op); - filp->f_op = fops_get(old_fops); - } - fops_put(old_fops); - - return err; -} - -/** File operations structure */ -static struct file_operations DRM(stub_fops) = { - .owner = THIS_MODULE, - .open = DRM(stub_open) -}; - -/** - * Get a device minor number. - * - * \param name driver name. - * \param fops file operations. - * \param dev DRM device. - * \return minor number on success, or a negative number on failure. - * - * Allocate and initialize ::stub_list if one doesn't exist already. Search an - * empty entry and initialize it to the given parameters, and create the proc - * init entry via proc_init(). - */ -static int DRM(stub_getminor)(const char *name, struct file_operations *fops, - drm_device_t *dev) -{ - int i; - - if (!DRM(stub_list)) { - DRM(stub_list) = DRM(alloc)(sizeof(*DRM(stub_list)) - * DRM_STUB_MAXCARDS, DRM_MEM_STUB); - if(!DRM(stub_list)) return -1; - for (i = 0; i < DRM_STUB_MAXCARDS; i++) { - DRM(stub_list)[i].name = NULL; - DRM(stub_list)[i].fops = NULL; - } - } - for (i = 0; i < DRM_STUB_MAXCARDS; i++) { - if (!DRM(stub_list)[i].fops) { - DRM(stub_list)[i].name = name; - DRM(stub_list)[i].fops = fops; - DRM(stub_root) = DRM(proc_init)(dev, i, DRM(stub_root), - &DRM(stub_list)[i] - .dev_root); - class_simple_device_add(drm_class, MKDEV(DRM_MAJOR, i), NULL, name); - return i; - } - } - return -1; -} - -/** - * Put a device minor number. - * - * \param minor minor number. - * \return always zero. - * - * Cleans up the proc resources. If a minor is zero then release the foreign - * "drm" data, otherwise unregisters the "drm" data, frees the stub list and - * unregisters the character device. - */ -static int DRM(stub_putminor)(int minor) -{ - if (minor < 0 || minor >= DRM_STUB_MAXCARDS) return -1; - DRM(stub_list)[minor].name = NULL; - DRM(stub_list)[minor].fops = NULL; - DRM(proc_cleanup)(minor, DRM(stub_root), - DRM(stub_list)[minor].dev_root); - if (minor) { - class_simple_device_remove(MKDEV(DRM_MAJOR, minor)); - inter_module_put("drm"); - } else { - inter_module_unregister("drm"); - DRM(free)(DRM(stub_list), - sizeof(*DRM(stub_list)) * DRM_STUB_MAXCARDS, - DRM_MEM_STUB); - unregister_chrdev(DRM_MAJOR, "drm"); - class_simple_device_remove(MKDEV(DRM_MAJOR, minor)); - class_simple_destroy(drm_class); - } - return 0; -} - -/** - * Register. - * - * \param name driver name. - * \param fops file operations - * \param dev DRM device. - * \return zero on success or a negative number on failure. - * - * Attempt to register the char device and get the foreign "drm" data. If - * successful then another module already registered so gets the stub info, - * otherwise use this module stub info and make it available for other modules. - * - * Finally calls stub_info::info_register. - */ -int DRM(stub_register)(const char *name, struct file_operations *fops, - drm_device_t *dev) -{ - struct drm_stub_info *i = NULL; - int ret1; - int ret2; - - DRM_DEBUG("\n"); - ret1 = register_chrdev(DRM_MAJOR, "drm", &DRM(stub_fops)); - if (!ret1) { - drm_class = class_simple_create(THIS_MODULE, "drm"); - if (IS_ERR(drm_class)) { - printk (KERN_ERR "Error creating drm class.\n"); - unregister_chrdev(DRM_MAJOR, "drm"); - return PTR_ERR(drm_class); - } - } - else if (ret1 == -EBUSY) - i = (struct drm_stub_info *)inter_module_get("drm"); - else - return -1; - - if (i) { - /* Already registered */ - DRM(stub_info).info_register = i->info_register; - DRM(stub_info).info_unregister = i->info_unregister; - DRM_DEBUG("already registered\n"); - } else if (DRM(stub_info).info_register != DRM(stub_getminor)) { - DRM(stub_info).info_register = DRM(stub_getminor); - DRM(stub_info).info_unregister = DRM(stub_putminor); - DRM_DEBUG("calling inter_module_register\n"); - inter_module_register("drm", THIS_MODULE, &DRM(stub_info)); - } - if (DRM(stub_info).info_register) { - ret2 = DRM(stub_info).info_register(name, fops, dev); - if (ret2) { - if (!ret1) { - unregister_chrdev(DRM_MAJOR, "drm"); - class_simple_destroy(drm_class); - } - if (!i) - inter_module_unregister("drm"); - } - return ret2; - } - return -1; -} - -/** - * Unregister. - * - * \param minor - * - * Calls drm_stub_info::unregister. - */ -int DRM(stub_unregister)(int minor) -{ - DRM_DEBUG("%d\n", minor); - if (DRM(stub_info).info_unregister) - return DRM(stub_info).info_unregister(minor); - return -1; -} diff -Nru a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/drm_vm.c 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,670 @@ +/** + * \file drm_vm.h + * Memory mapping for DRM + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + + +/** + * \c nopage method for AGP virtual memory. + * + * \param vma virtual memory area. + * \param address access address. + * \return pointer to the page structure. + * + * Find the right map and if it's AGP memory find the real physical page to + * map, get the page, increment the use count and return it. + */ +#if __OS_HAS_AGP +static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma, + unsigned long address) +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->dev; + drm_map_t *map = NULL; + drm_map_list_t *r_list; + struct list_head *list; + + /* + * Find the right map + */ + if (!drm_core_has_AGP(dev)) + goto vm_nopage_error; + + if(!dev->agp || !dev->agp->cant_use_aperture) goto vm_nopage_error; + + list_for_each(list, &dev->maplist->head) { + r_list = list_entry(list, drm_map_list_t, head); + map = r_list->map; + if (!map) continue; + if (map->offset == VM_OFFSET(vma)) break; + } + + if (map && map->type == _DRM_AGP) { + unsigned long offset = address - vma->vm_start; + unsigned long baddr = VM_OFFSET(vma) + offset; + struct drm_agp_mem *agpmem; + struct page *page; + +#ifdef __alpha__ + /* + * Adjust to a bus-relative address + */ + baddr -= dev->hose->mem_space->start; +#endif + + /* + * It's AGP memory - find the real physical page to map + */ + for(agpmem = dev->agp->memory; agpmem; agpmem = agpmem->next) { + if (agpmem->bound <= baddr && + agpmem->bound + agpmem->pages * PAGE_SIZE > baddr) + break; + } + + if (!agpmem) goto vm_nopage_error; + + /* + * Get the page, inc the use count, and return it + */ + offset = (baddr - agpmem->bound) >> PAGE_SHIFT; + page = virt_to_page(__va(agpmem->memory->memory[offset])); + get_page(page); + + DRM_DEBUG("baddr = 0x%lx page = 0x%p, offset = 0x%lx, count=%d\n", + baddr, __va(agpmem->memory->memory[offset]), offset, + page_count(page)); + + return page; + } +vm_nopage_error: + return NOPAGE_SIGBUS; /* Disallow mremap */ +} +#else /* __OS_HAS_AGP */ +static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma, + unsigned long address) +{ + return NOPAGE_SIGBUS; +} +#endif /* __OS_HAS_AGP */ + +/** + * \c nopage method for shared virtual memory. + * + * \param vma virtual memory area. + * \param address access address. + * \return pointer to the page structure. + * + * Get the the mapping, find the real physical page to map, get the page, and + * return it. + */ +static __inline__ struct page *drm_do_vm_shm_nopage(struct vm_area_struct *vma, + unsigned long address) +{ + drm_map_t *map = (drm_map_t *)vma->vm_private_data; + unsigned long offset; + unsigned long i; + struct page *page; + + if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ + if (!map) return NOPAGE_OOM; /* Nothing allocated */ + + offset = address - vma->vm_start; + i = (unsigned long)map->handle + offset; + page = vmalloc_to_page((void *)i); + if (!page) + return NOPAGE_OOM; + get_page(page); + + DRM_DEBUG("shm_nopage 0x%lx\n", address); + return page; +} + + +/** + * \c close method for shared virtual memory. + * + * \param vma virtual memory area. + * + * Deletes map information if we are the last + * person to close a mapping and it's not in the global maplist. + */ +void drm_vm_shm_close(struct vm_area_struct *vma) +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->dev; + drm_vma_entry_t *pt, *prev, *next; + drm_map_t *map; + drm_map_list_t *r_list; + struct list_head *list; + int found_maps = 0; + + DRM_DEBUG("0x%08lx,0x%08lx\n", + vma->vm_start, vma->vm_end - vma->vm_start); + atomic_dec(&dev->vma_count); + + map = vma->vm_private_data; + + down(&dev->struct_sem); + for (pt = dev->vmalist, prev = NULL; pt; pt = next) { + next = pt->next; + if (pt->vma->vm_private_data == map) found_maps++; + if (pt->vma == vma) { + if (prev) { + prev->next = pt->next; + } else { + dev->vmalist = pt->next; + } + drm_free(pt, sizeof(*pt), DRM_MEM_VMAS); + } else { + prev = pt; + } + } + /* We were the only map that was found */ + if(found_maps == 1 && + map->flags & _DRM_REMOVABLE) { + /* Check to see if we are in the maplist, if we are not, then + * we delete this mappings information. + */ + found_maps = 0; + list = &dev->maplist->head; + list_for_each(list, &dev->maplist->head) { + r_list = list_entry(list, drm_map_list_t, head); + if (r_list->map == map) found_maps++; + } + + if(!found_maps) { + switch (map->type) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: + if (drm_core_has_MTRR(dev) && map->mtrr >= 0) { + int retcode; + retcode = mtrr_del(map->mtrr, + map->offset, + map->size); + DRM_DEBUG("mtrr_del = %d\n", retcode); + } + drm_ioremapfree(map->handle, map->size, dev); + break; + case _DRM_SHM: + vfree(map->handle); + break; + case _DRM_AGP: + case _DRM_SCATTER_GATHER: + break; + } + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + } + } + up(&dev->struct_sem); +} + +/** + * \c nopage method for DMA virtual memory. + * + * \param vma virtual memory area. + * \param address access address. + * \return pointer to the page structure. + * + * Determine the page number from the page offset and get it from drm_device_dma::pagelist. + */ +static __inline__ struct page *drm_do_vm_dma_nopage(struct vm_area_struct *vma, + unsigned long address) +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + unsigned long offset; + unsigned long page_nr; + struct page *page; + + if (!dma) return NOPAGE_SIGBUS; /* Error */ + if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ + if (!dma->pagelist) return NOPAGE_OOM ; /* Nothing allocated */ + + offset = address - vma->vm_start; /* vm_[pg]off[set] should be 0 */ + page_nr = offset >> PAGE_SHIFT; + page = virt_to_page((dma->pagelist[page_nr] + + (offset & (~PAGE_MASK)))); + + get_page(page); + + DRM_DEBUG("dma_nopage 0x%lx (page %lu)\n", address, page_nr); + return page; +} + +/** + * \c nopage method for scatter-gather virtual memory. + * + * \param vma virtual memory area. + * \param address access address. + * \return pointer to the page structure. + * + * Determine the map offset from the page offset and get it from drm_sg_mem::pagelist. + */ +static __inline__ struct page *drm_do_vm_sg_nopage(struct vm_area_struct *vma, + unsigned long address) +{ + drm_map_t *map = (drm_map_t *)vma->vm_private_data; + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->dev; + drm_sg_mem_t *entry = dev->sg; + unsigned long offset; + unsigned long map_offset; + unsigned long page_offset; + struct page *page; + + if (!entry) return NOPAGE_SIGBUS; /* Error */ + if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ + if (!entry->pagelist) return NOPAGE_OOM ; /* Nothing allocated */ + + + offset = address - vma->vm_start; + map_offset = map->offset - dev->sg->handle; + page_offset = (offset >> PAGE_SHIFT) + (map_offset >> PAGE_SHIFT); + page = entry->pagelist[page_offset]; + get_page(page); + + return page; +} + + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0) + +static struct page *drm_vm_nopage(struct vm_area_struct *vma, + unsigned long address, + int *type) { + if (type) *type = VM_FAULT_MINOR; + return drm_do_vm_nopage(vma, address); +} + +static struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, + unsigned long address, + int *type) { + if (type) *type = VM_FAULT_MINOR; + return drm_do_vm_shm_nopage(vma, address); +} + +static struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, + unsigned long address, + int *type) { + if (type) *type = VM_FAULT_MINOR; + return drm_do_vm_dma_nopage(vma, address); +} + +static struct page *drm_vm_sg_nopage(struct vm_area_struct *vma, + unsigned long address, + int *type) { + if (type) *type = VM_FAULT_MINOR; + return drm_do_vm_sg_nopage(vma, address); +} + +#else /* LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,0) */ + +static struct page *drm_vm_nopage(struct vm_area_struct *vma, + unsigned long address, + int unused) { + return drm_do_vm_nopage(vma, address); +} + +static struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, + unsigned long address, + int unused) { + return drm_do_vm_shm_nopage(vma, address); +} + +static struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, + unsigned long address, + int unused) { + return drm_do_vm_dma_nopage(vma, address); +} + +static struct page *drm_vm_sg_nopage(struct vm_area_struct *vma, + unsigned long address, + int unused) { + return drm_do_vm_sg_nopage(vma, address); +} + +#endif + + +/** AGP virtual memory operations */ +static struct vm_operations_struct drm_vm_ops = { + .nopage = drm_vm_nopage, + .open = drm_vm_open, + .close = drm_vm_close, +}; + +/** Shared virtual memory operations */ +static struct vm_operations_struct drm_vm_shm_ops = { + .nopage = drm_vm_shm_nopage, + .open = drm_vm_open, + .close = drm_vm_shm_close, +}; + +/** DMA virtual memory operations */ +static struct vm_operations_struct drm_vm_dma_ops = { + .nopage = drm_vm_dma_nopage, + .open = drm_vm_open, + .close = drm_vm_close, +}; + +/** Scatter-gather virtual memory operations */ +static struct vm_operations_struct drm_vm_sg_ops = { + .nopage = drm_vm_sg_nopage, + .open = drm_vm_open, + .close = drm_vm_close, +}; + + +/** + * \c open method for shared virtual memory. + * + * \param vma virtual memory area. + * + * Create a new drm_vma_entry structure as the \p vma private data entry and + * add it to drm_device::vmalist. + */ +void drm_vm_open(struct vm_area_struct *vma) +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->dev; + drm_vma_entry_t *vma_entry; + + DRM_DEBUG("0x%08lx,0x%08lx\n", + vma->vm_start, vma->vm_end - vma->vm_start); + atomic_inc(&dev->vma_count); + + vma_entry = drm_alloc(sizeof(*vma_entry), DRM_MEM_VMAS); + if (vma_entry) { + down(&dev->struct_sem); + vma_entry->vma = vma; + vma_entry->next = dev->vmalist; + vma_entry->pid = current->pid; + dev->vmalist = vma_entry; + up(&dev->struct_sem); + } +} + +/** + * \c close method for all virtual memory types. + * + * \param vma virtual memory area. + * + * Search the \p vma private data entry in drm_device::vmalist, unlink it, and + * free it. + */ +void drm_vm_close(struct vm_area_struct *vma) +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->dev; + drm_vma_entry_t *pt, *prev; + + DRM_DEBUG("0x%08lx,0x%08lx\n", + vma->vm_start, vma->vm_end - vma->vm_start); + atomic_dec(&dev->vma_count); + + down(&dev->struct_sem); + for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) { + if (pt->vma == vma) { + if (prev) { + prev->next = pt->next; + } else { + dev->vmalist = pt->next; + } + drm_free(pt, sizeof(*pt), DRM_MEM_VMAS); + break; + } + } + up(&dev->struct_sem); +} + +/** + * mmap DMA memory. + * + * \param filp file pointer. + * \param vma virtual memory area. + * \return zero on success or a negative number on failure. + * + * Sets the virtual memory area operations structure to vm_dma_ops, the file + * pointer, and calls vm_open(). + */ +int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + drm_device_dma_t *dma; + unsigned long length = vma->vm_end - vma->vm_start; + + lock_kernel(); + dev = priv->dev; + dma = dev->dma; + DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", + vma->vm_start, vma->vm_end, VM_OFFSET(vma)); + + /* Length must match exact page count */ + if (!dma || (length >> PAGE_SHIFT) != dma->page_count) { + unlock_kernel(); + return -EINVAL; + } + unlock_kernel(); + + vma->vm_ops = &drm_vm_dma_ops; + +#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */ + vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */ +#else + vma->vm_flags |= VM_RESERVED; /* Don't swap */ +#endif + + vma->vm_file = filp; /* Needed for drm_vm_open() */ + drm_vm_open(vma); + return 0; +} + +unsigned long drm_core_get_map_ofs(drm_map_t *map) +{ + return map->offset; +} +EXPORT_SYMBOL(drm_core_get_map_ofs); + +unsigned long drm_core_get_reg_ofs(struct drm_device *dev) +{ +#ifdef __alpha__ + return dev->hose->dense_mem_base - dev->hose->mem_space->start; +#else + return 0; +#endif +} +EXPORT_SYMBOL(drm_core_get_reg_ofs); + +/** + * mmap DMA memory. + * + * \param filp file pointer. + * \param vma virtual memory area. + * \return zero on success or a negative number on failure. + * + * If the virtual memory area has no offset associated with it then it's a DMA + * area, so calls mmap_dma(). Otherwise searches the map in drm_device::maplist, + * checks that the restricted flag is not set, sets the virtual memory operations + * according to the mapping type and remaps the pages. Finally sets the file + * pointer and calls vm_open(). + */ +int drm_mmap(struct file *filp, struct vm_area_struct *vma) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_map_t *map = NULL; + drm_map_list_t *r_list; + unsigned long offset = 0; + struct list_head *list; + + DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", + vma->vm_start, vma->vm_end, VM_OFFSET(vma)); + + if ( !priv->authenticated ) return -EACCES; + + /* We check for "dma". On Apple's UniNorth, it's valid to have + * the AGP mapped at physical address 0 + * --BenH. + */ + if (!VM_OFFSET(vma) +#if __OS_HAS_AGP + && (!dev->agp || dev->agp->agp_info.device->vendor != PCI_VENDOR_ID_APPLE) +#endif + ) + return drm_mmap_dma(filp, vma); + + /* A sequential search of a linked list is + fine here because: 1) there will only be + about 5-10 entries in the list and, 2) a + DRI client only has to do this mapping + once, so it doesn't have to be optimized + for performance, even if the list was a + bit longer. */ + list_for_each(list, &dev->maplist->head) { + unsigned long off; + + r_list = list_entry(list, drm_map_list_t, head); + map = r_list->map; + if (!map) continue; + off = dev->driver->get_map_ofs(map); + if (off == VM_OFFSET(vma)) break; + } + + if (!map || ((map->flags&_DRM_RESTRICTED) && !capable(CAP_SYS_ADMIN))) + return -EPERM; + + /* Check for valid size. */ + if (map->size != vma->vm_end - vma->vm_start) return -EINVAL; + + if (!capable(CAP_SYS_ADMIN) && (map->flags & _DRM_READ_ONLY)) { + vma->vm_flags &= ~(VM_WRITE | VM_MAYWRITE); +#if defined(__i386__) || defined(__x86_64__) + pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW; +#else + /* Ye gads this is ugly. With more thought + we could move this up higher and use + `protection_map' instead. */ + vma->vm_page_prot = __pgprot(pte_val(pte_wrprotect( + __pte(pgprot_val(vma->vm_page_prot))))); +#endif + } + + switch (map->type) { + case _DRM_AGP: + if (drm_core_has_AGP(dev) && dev->agp->cant_use_aperture) { + /* + * On some platforms we can't talk to bus dma address from the CPU, so for + * memory of type DRM_AGP, we'll deal with sorting out the real physical + * pages and mappings in nopage() + */ +#if defined(__powerpc__) + pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE; +#endif + vma->vm_ops = &drm_vm_ops; + break; + } + /* fall through to _DRM_FRAME_BUFFER... */ + case _DRM_FRAME_BUFFER: + case _DRM_REGISTERS: + if (VM_OFFSET(vma) >= __pa(high_memory)) { +#if defined(__i386__) || defined(__x86_64__) + if (boot_cpu_data.x86 > 3 && map->type != _DRM_AGP) { + pgprot_val(vma->vm_page_prot) |= _PAGE_PCD; + pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT; + } +#elif defined(__powerpc__) + pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE | _PAGE_GUARDED; +#endif + vma->vm_flags |= VM_IO; /* not in core dump */ + } +#if defined(__ia64__) + if (map->type != _DRM_AGP) + vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); +#endif + offset = dev->driver->get_reg_ofs(dev); +#ifdef __sparc__ + if (io_remap_page_range(DRM_RPR_ARG(vma) vma->vm_start, + VM_OFFSET(vma) + offset, + vma->vm_end - vma->vm_start, + vma->vm_page_prot, 0)) +#else + if (remap_pfn_range(DRM_RPR_ARG(vma) vma->vm_start, + (VM_OFFSET(vma) + offset) >> PAGE_SHIFT, + vma->vm_end - vma->vm_start, + vma->vm_page_prot)) +#endif + return -EAGAIN; + DRM_DEBUG(" Type = %d; start = 0x%lx, end = 0x%lx," + " offset = 0x%lx\n", + map->type, + vma->vm_start, vma->vm_end, VM_OFFSET(vma) + offset); + vma->vm_ops = &drm_vm_ops; + break; + case _DRM_SHM: + vma->vm_ops = &drm_vm_shm_ops; + vma->vm_private_data = (void *)map; + /* Don't let this area swap. Change when + DRM_KERNEL advisory is supported. */ +#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */ + vma->vm_flags |= VM_LOCKED; +#else + vma->vm_flags |= VM_RESERVED; +#endif + break; + case _DRM_SCATTER_GATHER: + vma->vm_ops = &drm_vm_sg_ops; + vma->vm_private_data = (void *)map; +#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */ + vma->vm_flags |= VM_LOCKED; +#else + vma->vm_flags |= VM_RESERVED; +#endif + break; + default: + return -EINVAL; /* This should never happen. */ + } +#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */ + vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */ +#else + vma->vm_flags |= VM_RESERVED; /* Don't swap */ +#endif + + vma->vm_file = filp; /* Needed for drm_vm_open() */ + drm_vm_open(vma); + return 0; +} +EXPORT_SYMBOL(drm_mmap); diff -Nru a/drivers/char/drm/drm_vm.h b/drivers/char/drm/drm_vm.h --- a/drivers/char/drm/drm_vm.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,667 +0,0 @@ -/** - * \file drm_vm.h - * Memory mapping for DRM - * - * \author Rickard E. (Rik) Faith - * \author Gareth Hughes - */ - -/* - * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "drmP.h" - - -/** - * \c nopage method for AGP virtual memory. - * - * \param vma virtual memory area. - * \param address access address. - * \return pointer to the page structure. - * - * Find the right map and if it's AGP memory find the real physical page to - * map, get the page, increment the use count and return it. - */ -#if __OS_HAS_AGP -static __inline__ struct page *DRM(do_vm_nopage)(struct vm_area_struct *vma, - unsigned long address) -{ - drm_file_t *priv = vma->vm_file->private_data; - drm_device_t *dev = priv->dev; - drm_map_t *map = NULL; - drm_map_list_t *r_list; - struct list_head *list; - - /* - * Find the right map - */ - if (!drm_core_has_AGP(dev)) - goto vm_nopage_error; - - if(!dev->agp || !dev->agp->cant_use_aperture) goto vm_nopage_error; - - list_for_each(list, &dev->maplist->head) { - r_list = list_entry(list, drm_map_list_t, head); - map = r_list->map; - if (!map) continue; - if (map->offset == VM_OFFSET(vma)) break; - } - - if (map && map->type == _DRM_AGP) { - unsigned long offset = address - vma->vm_start; - unsigned long baddr = VM_OFFSET(vma) + offset; - struct drm_agp_mem *agpmem; - struct page *page; - -#ifdef __alpha__ - /* - * Adjust to a bus-relative address - */ - baddr -= dev->hose->mem_space->start; -#endif - - /* - * It's AGP memory - find the real physical page to map - */ - for(agpmem = dev->agp->memory; agpmem; agpmem = agpmem->next) { - if (agpmem->bound <= baddr && - agpmem->bound + agpmem->pages * PAGE_SIZE > baddr) - break; - } - - if (!agpmem) goto vm_nopage_error; - - /* - * Get the page, inc the use count, and return it - */ - offset = (baddr - agpmem->bound) >> PAGE_SHIFT; - page = virt_to_page(__va(agpmem->memory->memory[offset])); - get_page(page); - - DRM_DEBUG("baddr = 0x%lx page = 0x%p, offset = 0x%lx, count=%d\n", - baddr, __va(agpmem->memory->memory[offset]), offset, - page_count(page)); - - return page; - } -vm_nopage_error: - return NOPAGE_SIGBUS; /* Disallow mremap */ -} -#else /* __OS_HAS_AGP */ -static __inline__ struct page *DRM(do_vm_nopage)(struct vm_area_struct *vma, - unsigned long address) -{ - return NOPAGE_SIGBUS; -} -#endif /* __OS_HAS_AGP */ - -/** - * \c nopage method for shared virtual memory. - * - * \param vma virtual memory area. - * \param address access address. - * \return pointer to the page structure. - * - * Get the the mapping, find the real physical page to map, get the page, and - * return it. - */ -static __inline__ struct page *DRM(do_vm_shm_nopage)(struct vm_area_struct *vma, - unsigned long address) -{ - drm_map_t *map = (drm_map_t *)vma->vm_private_data; - unsigned long offset; - unsigned long i; - struct page *page; - - if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ - if (!map) return NOPAGE_OOM; /* Nothing allocated */ - - offset = address - vma->vm_start; - i = (unsigned long)map->handle + offset; - page = vmalloc_to_page((void *)i); - if (!page) - return NOPAGE_OOM; - get_page(page); - - DRM_DEBUG("shm_nopage 0x%lx\n", address); - return page; -} - - -/** - * \c close method for shared virtual memory. - * - * \param vma virtual memory area. - * - * Deletes map information if we are the last - * person to close a mapping and it's not in the global maplist. - */ -void DRM(vm_shm_close)(struct vm_area_struct *vma) -{ - drm_file_t *priv = vma->vm_file->private_data; - drm_device_t *dev = priv->dev; - drm_vma_entry_t *pt, *prev, *next; - drm_map_t *map; - drm_map_list_t *r_list; - struct list_head *list; - int found_maps = 0; - - DRM_DEBUG("0x%08lx,0x%08lx\n", - vma->vm_start, vma->vm_end - vma->vm_start); - atomic_dec(&dev->vma_count); - - map = vma->vm_private_data; - - down(&dev->struct_sem); - for (pt = dev->vmalist, prev = NULL; pt; pt = next) { - next = pt->next; - if (pt->vma->vm_private_data == map) found_maps++; - if (pt->vma == vma) { - if (prev) { - prev->next = pt->next; - } else { - dev->vmalist = pt->next; - } - DRM(free)(pt, sizeof(*pt), DRM_MEM_VMAS); - } else { - prev = pt; - } - } - /* We were the only map that was found */ - if(found_maps == 1 && - map->flags & _DRM_REMOVABLE) { - /* Check to see if we are in the maplist, if we are not, then - * we delete this mappings information. - */ - found_maps = 0; - list = &dev->maplist->head; - list_for_each(list, &dev->maplist->head) { - r_list = list_entry(list, drm_map_list_t, head); - if (r_list->map == map) found_maps++; - } - - if(!found_maps) { - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: - if (drm_core_has_MTRR(dev) && map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } - DRM(ioremapfree)(map->handle, map->size, dev); - break; - case _DRM_SHM: - vfree(map->handle); - break; - case _DRM_AGP: - case _DRM_SCATTER_GATHER: - break; - } - DRM(free)(map, sizeof(*map), DRM_MEM_MAPS); - } - } - up(&dev->struct_sem); -} - -/** - * \c nopage method for DMA virtual memory. - * - * \param vma virtual memory area. - * \param address access address. - * \return pointer to the page structure. - * - * Determine the page number from the page offset and get it from drm_device_dma::pagelist. - */ -static __inline__ struct page *DRM(do_vm_dma_nopage)(struct vm_area_struct *vma, - unsigned long address) -{ - drm_file_t *priv = vma->vm_file->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - unsigned long offset; - unsigned long page_nr; - struct page *page; - - if (!dma) return NOPAGE_SIGBUS; /* Error */ - if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ - if (!dma->pagelist) return NOPAGE_OOM ; /* Nothing allocated */ - - offset = address - vma->vm_start; /* vm_[pg]off[set] should be 0 */ - page_nr = offset >> PAGE_SHIFT; - page = virt_to_page((dma->pagelist[page_nr] + - (offset & (~PAGE_MASK)))); - - get_page(page); - - DRM_DEBUG("dma_nopage 0x%lx (page %lu)\n", address, page_nr); - return page; -} - -/** - * \c nopage method for scatter-gather virtual memory. - * - * \param vma virtual memory area. - * \param address access address. - * \return pointer to the page structure. - * - * Determine the map offset from the page offset and get it from drm_sg_mem::pagelist. - */ -static __inline__ struct page *DRM(do_vm_sg_nopage)(struct vm_area_struct *vma, - unsigned long address) -{ - drm_map_t *map = (drm_map_t *)vma->vm_private_data; - drm_file_t *priv = vma->vm_file->private_data; - drm_device_t *dev = priv->dev; - drm_sg_mem_t *entry = dev->sg; - unsigned long offset; - unsigned long map_offset; - unsigned long page_offset; - struct page *page; - - if (!entry) return NOPAGE_SIGBUS; /* Error */ - if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ - if (!entry->pagelist) return NOPAGE_OOM ; /* Nothing allocated */ - - - offset = address - vma->vm_start; - map_offset = map->offset - dev->sg->handle; - page_offset = (offset >> PAGE_SHIFT) + (map_offset >> PAGE_SHIFT); - page = entry->pagelist[page_offset]; - get_page(page); - - return page; -} - - -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0) - -static struct page *DRM(vm_nopage)(struct vm_area_struct *vma, - unsigned long address, - int *type) { - if (type) *type = VM_FAULT_MINOR; - return DRM(do_vm_nopage)(vma, address); -} - -static struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, - unsigned long address, - int *type) { - if (type) *type = VM_FAULT_MINOR; - return DRM(do_vm_shm_nopage)(vma, address); -} - -static struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, - unsigned long address, - int *type) { - if (type) *type = VM_FAULT_MINOR; - return DRM(do_vm_dma_nopage)(vma, address); -} - -static struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma, - unsigned long address, - int *type) { - if (type) *type = VM_FAULT_MINOR; - return DRM(do_vm_sg_nopage)(vma, address); -} - -#else /* LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,0) */ - -static struct page *DRM(vm_nopage)(struct vm_area_struct *vma, - unsigned long address, - int unused) { - return DRM(do_vm_nopage)(vma, address); -} - -static struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, - unsigned long address, - int unused) { - return DRM(do_vm_shm_nopage)(vma, address); -} - -static struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, - unsigned long address, - int unused) { - return DRM(do_vm_dma_nopage)(vma, address); -} - -static struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma, - unsigned long address, - int unused) { - return DRM(do_vm_sg_nopage)(vma, address); -} - -#endif - - -/** AGP virtual memory operations */ -static struct vm_operations_struct DRM(vm_ops) = { - .nopage = DRM(vm_nopage), - .open = DRM(vm_open), - .close = DRM(vm_close), -}; - -/** Shared virtual memory operations */ -static struct vm_operations_struct DRM(vm_shm_ops) = { - .nopage = DRM(vm_shm_nopage), - .open = DRM(vm_open), - .close = DRM(vm_shm_close), -}; - -/** DMA virtual memory operations */ -static struct vm_operations_struct DRM(vm_dma_ops) = { - .nopage = DRM(vm_dma_nopage), - .open = DRM(vm_open), - .close = DRM(vm_close), -}; - -/** Scatter-gather virtual memory operations */ -static struct vm_operations_struct DRM(vm_sg_ops) = { - .nopage = DRM(vm_sg_nopage), - .open = DRM(vm_open), - .close = DRM(vm_close), -}; - - -/** - * \c open method for shared virtual memory. - * - * \param vma virtual memory area. - * - * Create a new drm_vma_entry structure as the \p vma private data entry and - * add it to drm_device::vmalist. - */ -void DRM(vm_open)(struct vm_area_struct *vma) -{ - drm_file_t *priv = vma->vm_file->private_data; - drm_device_t *dev = priv->dev; - drm_vma_entry_t *vma_entry; - - DRM_DEBUG("0x%08lx,0x%08lx\n", - vma->vm_start, vma->vm_end - vma->vm_start); - atomic_inc(&dev->vma_count); - - vma_entry = DRM(alloc)(sizeof(*vma_entry), DRM_MEM_VMAS); - if (vma_entry) { - down(&dev->struct_sem); - vma_entry->vma = vma; - vma_entry->next = dev->vmalist; - vma_entry->pid = current->pid; - dev->vmalist = vma_entry; - up(&dev->struct_sem); - } -} - -/** - * \c close method for all virtual memory types. - * - * \param vma virtual memory area. - * - * Search the \p vma private data entry in drm_device::vmalist, unlink it, and - * free it. - */ -void DRM(vm_close)(struct vm_area_struct *vma) -{ - drm_file_t *priv = vma->vm_file->private_data; - drm_device_t *dev = priv->dev; - drm_vma_entry_t *pt, *prev; - - DRM_DEBUG("0x%08lx,0x%08lx\n", - vma->vm_start, vma->vm_end - vma->vm_start); - atomic_dec(&dev->vma_count); - - down(&dev->struct_sem); - for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) { - if (pt->vma == vma) { - if (prev) { - prev->next = pt->next; - } else { - dev->vmalist = pt->next; - } - DRM(free)(pt, sizeof(*pt), DRM_MEM_VMAS); - break; - } - } - up(&dev->struct_sem); -} - -/** - * mmap DMA memory. - * - * \param filp file pointer. - * \param vma virtual memory area. - * \return zero on success or a negative number on failure. - * - * Sets the virtual memory area operations structure to vm_dma_ops, the file - * pointer, and calls vm_open(). - */ -int DRM(mmap_dma)(struct file *filp, struct vm_area_struct *vma) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - drm_device_dma_t *dma; - unsigned long length = vma->vm_end - vma->vm_start; - - lock_kernel(); - dev = priv->dev; - dma = dev->dma; - DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", - vma->vm_start, vma->vm_end, VM_OFFSET(vma)); - - /* Length must match exact page count */ - if (!dma || (length >> PAGE_SHIFT) != dma->page_count) { - unlock_kernel(); - return -EINVAL; - } - unlock_kernel(); - - vma->vm_ops = &DRM(vm_dma_ops); - -#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */ - vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */ -#else - vma->vm_flags |= VM_RESERVED; /* Don't swap */ -#endif - - vma->vm_file = filp; /* Needed for drm_vm_open() */ - DRM(vm_open)(vma); - return 0; -} - -unsigned long DRM(core_get_map_ofs)(drm_map_t *map) -{ - return map->offset; -} - -unsigned long DRM(core_get_reg_ofs)(struct drm_device *dev) -{ -#ifdef __alpha__ - return dev->hose->dense_mem_base - dev->hose->mem_space->start; -#else - return 0; -#endif -} - -/** - * mmap DMA memory. - * - * \param filp file pointer. - * \param vma virtual memory area. - * \return zero on success or a negative number on failure. - * - * If the virtual memory area has no offset associated with it then it's a DMA - * area, so calls mmap_dma(). Otherwise searches the map in drm_device::maplist, - * checks that the restricted flag is not set, sets the virtual memory operations - * according to the mapping type and remaps the pages. Finally sets the file - * pointer and calls vm_open(). - */ -int DRM(mmap)(struct file *filp, struct vm_area_struct *vma) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_map_t *map = NULL; - drm_map_list_t *r_list; - unsigned long offset = 0; - struct list_head *list; - - DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", - vma->vm_start, vma->vm_end, VM_OFFSET(vma)); - - if ( !priv->authenticated ) return -EACCES; - - /* We check for "dma". On Apple's UniNorth, it's valid to have - * the AGP mapped at physical address 0 - * --BenH. - */ - if (!VM_OFFSET(vma) -#if __OS_HAS_AGP - && (!dev->agp || dev->agp->agp_info.device->vendor != PCI_VENDOR_ID_APPLE) -#endif - ) - return DRM(mmap_dma)(filp, vma); - - /* A sequential search of a linked list is - fine here because: 1) there will only be - about 5-10 entries in the list and, 2) a - DRI client only has to do this mapping - once, so it doesn't have to be optimized - for performance, even if the list was a - bit longer. */ - list_for_each(list, &dev->maplist->head) { - unsigned long off; - - r_list = list_entry(list, drm_map_list_t, head); - map = r_list->map; - if (!map) continue; - off = dev->fn_tbl.get_map_ofs(map); - if (off == VM_OFFSET(vma)) break; - } - - if (!map || ((map->flags&_DRM_RESTRICTED) && !capable(CAP_SYS_ADMIN))) - return -EPERM; - - /* Check for valid size. */ - if (map->size != vma->vm_end - vma->vm_start) return -EINVAL; - - if (!capable(CAP_SYS_ADMIN) && (map->flags & _DRM_READ_ONLY)) { - vma->vm_flags &= ~(VM_WRITE | VM_MAYWRITE); -#if defined(__i386__) || defined(__x86_64__) - pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW; -#else - /* Ye gads this is ugly. With more thought - we could move this up higher and use - `protection_map' instead. */ - vma->vm_page_prot = __pgprot(pte_val(pte_wrprotect( - __pte(pgprot_val(vma->vm_page_prot))))); -#endif - } - - switch (map->type) { - case _DRM_AGP: - if (drm_core_has_AGP(dev) && dev->agp->cant_use_aperture) { - /* - * On some platforms we can't talk to bus dma address from the CPU, so for - * memory of type DRM_AGP, we'll deal with sorting out the real physical - * pages and mappings in nopage() - */ -#if defined(__powerpc__) - pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE; -#endif - vma->vm_ops = &DRM(vm_ops); - break; - } - /* fall through to _DRM_FRAME_BUFFER... */ - case _DRM_FRAME_BUFFER: - case _DRM_REGISTERS: - if (VM_OFFSET(vma) >= __pa(high_memory)) { -#if defined(__i386__) || defined(__x86_64__) - if (boot_cpu_data.x86 > 3 && map->type != _DRM_AGP) { - pgprot_val(vma->vm_page_prot) |= _PAGE_PCD; - pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT; - } -#elif defined(__powerpc__) - pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE | _PAGE_GUARDED; -#endif - vma->vm_flags |= VM_IO; /* not in core dump */ - } -#if defined(__ia64__) - if (map->type != _DRM_AGP) - vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); -#endif - offset = dev->fn_tbl.get_reg_ofs(dev); -#ifdef __sparc__ - if (io_remap_page_range(DRM_RPR_ARG(vma) vma->vm_start, - VM_OFFSET(vma) + offset, - vma->vm_end - vma->vm_start, - vma->vm_page_prot, 0)) -#else - if (remap_pfn_range(DRM_RPR_ARG(vma) vma->vm_start, - (VM_OFFSET(vma) + offset) >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, - vma->vm_page_prot)) -#endif - return -EAGAIN; - DRM_DEBUG(" Type = %d; start = 0x%lx, end = 0x%lx," - " offset = 0x%lx\n", - map->type, - vma->vm_start, vma->vm_end, VM_OFFSET(vma) + offset); - vma->vm_ops = &DRM(vm_ops); - break; - case _DRM_SHM: - vma->vm_ops = &DRM(vm_shm_ops); - vma->vm_private_data = (void *)map; - /* Don't let this area swap. Change when - DRM_KERNEL advisory is supported. */ -#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */ - vma->vm_flags |= VM_LOCKED; -#else - vma->vm_flags |= VM_RESERVED; -#endif - break; - case _DRM_SCATTER_GATHER: - vma->vm_ops = &DRM(vm_sg_ops); - vma->vm_private_data = (void *)map; -#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */ - vma->vm_flags |= VM_LOCKED; -#else - vma->vm_flags |= VM_RESERVED; -#endif - break; - default: - return -EINVAL; /* This should never happen. */ - } -#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */ - vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */ -#else - vma->vm_flags |= VM_RESERVED; /* Don't swap */ -#endif - - vma->vm_file = filp; /* Needed for drm_vm_open() */ - DRM(vm_open)(vma); - return 0; -} diff -Nru a/drivers/char/drm/ffb_drv.c b/drivers/char/drm/ffb_drv.c --- a/drivers/char/drm/ffb_drv.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/ffb_drv.c 2004-12-12 18:07:35 -08:00 @@ -210,9 +210,7 @@ return addr; } -#include "drm_core.h" - -/* This functions must be here since it references DRM(numdevs) +/* This functions must be here since it references drm_numdevs) * which drm_drv.h declares. */ static int ffb_presetup(drm_device_t *dev) @@ -227,13 +225,13 @@ return -ENODEV; /* Find our instance number by finding our device in dev structure */ - for (i = 0; i < DRM(numdevs); i++) { - temp_dev = &(DRM(device)[i]); + for (i = 0; i < drm_numdevs; i++) { + temp_dev = &(drm_device[i]); if(temp_dev == dev) break; } - if (i == DRM(numdevs)) + if (i == drm_numdevs) return -ENODEV; ffb_priv = kmalloc(sizeof(ffb_dev_priv_t), GFP_KERNEL); @@ -311,12 +309,12 @@ { ffb_set_context_ioctls(); DRM(fops).get_unmapped_area = ffb_get_unmapped_area; - dev->fn_tbl.release = ffb_driver_release; - dev->fn_tbl.presetup = ffb_presetup; - dev->fn_tbl.pretakedown = ffb_driver_pretakedown; - dev->fn_tbl.postcleanup = ffb_driver_postcleanup; - dev->fn_tbl.kernel_context_switch = ffb_context_switch; - dev->fn_tbl.kernel_context_switch_unlock = ffb_driver_kernel_context_switch_unlock; - dev->fn_tbl.get_map_ofs = ffb_driver_get_map_ofs; - dev->fn_tbl.get_reg_ofs = ffb_driver_get_reg_ofs; + dev->driver.release = ffb_driver_release; + dev->driver.presetup = ffb_presetup; + dev->driver.pretakedown = ffb_driver_pretakedown; + dev->driver.postcleanup = ffb_driver_postcleanup; + dev->driver.kernel_context_switch = ffb_context_switch; + dev->driver.kernel_context_switch_unlock = ffb_driver_kernel_context_switch_unlock; + dev->driver.get_map_ofs = ffb_driver_get_map_ofs; + dev->driver.get_reg_ofs = ffb_driver_get_reg_ofs; } diff -Nru a/drivers/char/drm/gamma_dma.c b/drivers/char/drm/gamma_dma.c --- a/drivers/char/drm/gamma_dma.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/gamma_dma.c 2004-12-12 18:07:35 -08:00 @@ -937,10 +937,10 @@ dev->driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ; DRM(fops).read = gamma_fops_read; DRM(fops).poll = gamma_fops_poll; - dev->fn_tbl.preinit = gamma_driver_preinit; - dev->fn_tbl.pretakedown = gamma_driver_pretakedown; - dev->fn_tbl.dma_ready = gamma_driver_dma_ready; - dev->fn_tbl.dma_quiescent = gamma_driver_dma_quiescent; - dev->fn_tbl.dma_flush_block_and_flush = gamma_flush_block_and_flush; - dev->fn_tbl.dma_flush_unblock = gamma_flush_unblock; + dev->driver.preinit = gamma_driver_preinit; + dev->driver.pretakedown = gamma_driver_pretakedown; + dev->driver.dma_ready = gamma_driver_dma_ready; + dev->driver.dma_quiescent = gamma_driver_dma_quiescent; + dev->driver.dma_flush_block_and_flush = gamma_flush_block_and_flush; + dev->driver.dma_flush_unblock = gamma_flush_unblock; } diff -Nru a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c --- a/drivers/char/drm/i810_dma.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i810_dma.c 2004-12-12 18:07:35 -08:00 @@ -30,7 +30,6 @@ * */ -#include "i810.h" #include "drmP.h" #include "drm.h" #include "i810_drm.h" @@ -110,12 +109,12 @@ } static struct file_operations i810_buffer_fops = { - .open = DRM(open), - .flush = DRM(flush), - .release = DRM(release), - .ioctl = DRM(ioctl), + .open = drm_open, + .flush = drm_flush, + .release = drm_release, + .ioctl = drm_ioctl, .mmap = i810_mmap_buffers, - .fasync = DRM(fasync), + .fasync = drm_fasync, }; int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) @@ -237,7 +236,7 @@ * is freed, it's too late. */ if (drm_core_check_feature(dev, DRIVER_HAVE_IRQ) && dev->irq_enabled) - DRM(irq_uninstall)(dev); + drm_irq_uninstall(dev); if (dev->dev_private) { int i; @@ -245,7 +244,7 @@ (drm_i810_private_t *) dev->dev_private; if (dev_priv->ring.virtual_start) { - DRM(ioremapfree)((void *) dev_priv->ring.virtual_start, + drm_ioremapfree((void *) dev_priv->ring.virtual_start, dev_priv->ring.Size, dev); } if (dev_priv->hw_status_page) { @@ -255,7 +254,7 @@ /* Need to rewrite hardware status page */ I810_WRITE(0x02080, 0x1ffff000); } - DRM(free)(dev->dev_private, sizeof(drm_i810_private_t), + drm_free(dev->dev_private, sizeof(drm_i810_private_t), DRM_MEM_DRIVER); dev->dev_private = NULL; @@ -263,7 +262,7 @@ drm_buf_t *buf = dma->buflist[ i ]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; if ( buf_priv->kernel_virtual && buf->total ) - DRM(ioremapfree)(buf_priv->kernel_virtual, buf->total, dev); + drm_ioremapfree(buf_priv->kernel_virtual, buf->total, dev); } } return 0; @@ -334,7 +333,7 @@ *buf_priv->in_use = I810_BUF_FREE; - buf_priv->kernel_virtual = DRM(ioremap)(buf->bus_address, + buf_priv->kernel_virtual = drm_ioremap(buf->bus_address, buf->total, dev); } return 0; @@ -386,7 +385,7 @@ dev_priv->ring.End = init->ring_end; dev_priv->ring.Size = init->ring_size; - dev_priv->ring.virtual_start = DRM(ioremap)(dev->agp->base + + dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base + init->ring_start, init->ring_size, dev); @@ -510,7 +509,7 @@ if (retcode) return retcode; - dev_priv = DRM(alloc)(sizeof(drm_i810_private_t), + dev_priv = drm_alloc(sizeof(drm_i810_private_t), DRM_MEM_DRIVER); if (dev_priv == NULL) return -ENOMEM; @@ -524,7 +523,7 @@ sizeof(drm_i810_init_t))) { return -EFAULT; } - dev_priv = DRM(alloc)(sizeof(drm_i810_private_t), + dev_priv = drm_alloc(sizeof(drm_i810_private_t), DRM_MEM_DRIVER); if (dev_priv == NULL) return -ENOMEM; @@ -1030,10 +1029,7 @@ drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i810_flush_ioctl called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); i810_flush_queue(dev); return 0; @@ -1055,10 +1051,7 @@ if (copy_from_user(&vertex, (drm_i810_vertex_t __user *)arg, sizeof(vertex))) return -EFAULT; - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i810_dma_vertex called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); DRM_DEBUG("i810 dma vertex, idx %d used %d discard %d\n", vertex.idx, vertex.used, vertex.discard); @@ -1090,10 +1083,7 @@ if (copy_from_user(&clear, (drm_i810_clear_t __user *)arg, sizeof(clear))) return -EFAULT; - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i810_clear_bufs called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); /* GH: Someone's doing nasty things... */ if (!dev->dev_private) { @@ -1114,10 +1104,7 @@ DRM_DEBUG("i810_swap_bufs\n"); - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i810_swap_buf called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); i810_dma_dispatch_swap( dev ); return 0; @@ -1152,10 +1139,7 @@ if (copy_from_user(&d, (drm_i810_dma_t __user *)arg, sizeof(d))) return -EFAULT; - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i810_dma called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); d.granted = 0; @@ -1265,11 +1249,7 @@ if (copy_from_user(&mc, (drm_i810_mc_t __user *)arg, sizeof(mc))) return -EFAULT; - - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i810_dma_mc called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); if (mc.idx >= dma->buf_count || mc.idx < 0) return -EINVAL; @@ -1317,10 +1297,8 @@ drm_device_t *dev = priv->dev; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i810_fstatus called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); + return I810_READ(0x30008); } @@ -1331,10 +1309,7 @@ drm_device_t *dev = priv->dev; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i810_ov0_flip called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); //Tell the overlay to update I810_WRITE(0x30000,dev_priv->overlay_physical | 0x80000000); @@ -1376,10 +1351,7 @@ DRM_DEBUG("%s\n", __FUNCTION__); - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i810_flip_buf called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); if (!dev_priv->page_flipping) i810_do_init_pageflip( dev ); @@ -1388,35 +1360,20 @@ return 0; } -static void i810_driver_pretakedown(drm_device_t *dev) +void i810_driver_pretakedown(drm_device_t *dev) { i810_dma_cleanup( dev ); } -static void i810_driver_release(drm_device_t *dev, struct file *filp) +void i810_driver_release(drm_device_t *dev, struct file *filp) { i810_reclaim_buffers(filp); } -static int i810_driver_dma_quiescent(drm_device_t *dev) +int i810_driver_dma_quiescent(drm_device_t *dev) { i810_dma_quiescent( dev ); return 0; } -void i810_driver_register_fns(drm_device_t *dev) -{ - dev->driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_DMA_QUEUE; - dev->dev_priv_size = sizeof(drm_i810_buf_priv_t); - dev->fn_tbl.pretakedown = i810_driver_pretakedown; - dev->fn_tbl.release = i810_driver_release; - dev->fn_tbl.dma_quiescent = i810_driver_dma_quiescent; - dev->fn_tbl.reclaim_buffers = i810_reclaim_buffers; - - dev->counters += 4; - dev->types[6] = _DRM_STAT_IRQ; - dev->types[7] = _DRM_STAT_PRIMARY; - dev->types[8] = _DRM_STAT_SECONDARY; - dev->types[9] = _DRM_STAT_DMA; -} diff -Nru a/drivers/char/drm/i810_drm.h b/drivers/char/drm/i810_drm.h --- a/drivers/char/drm/i810_drm.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i810_drm.h 2004-12-12 18:07:35 -08:00 @@ -199,21 +199,37 @@ /* i810 specific ioctls * The device specific ioctl range is 0x40 to 0x79. */ -#define DRM_IOCTL_I810_INIT DRM_IOW( 0x40, drm_i810_init_t) -#define DRM_IOCTL_I810_VERTEX DRM_IOW( 0x41, drm_i810_vertex_t) -#define DRM_IOCTL_I810_CLEAR DRM_IOW( 0x42, drm_i810_clear_t) -#define DRM_IOCTL_I810_FLUSH DRM_IO( 0x43) -#define DRM_IOCTL_I810_GETAGE DRM_IO( 0x44) -#define DRM_IOCTL_I810_GETBUF DRM_IOWR(0x45, drm_i810_dma_t) -#define DRM_IOCTL_I810_SWAP DRM_IO( 0x46) -#define DRM_IOCTL_I810_COPY DRM_IOW( 0x47, drm_i810_copy_t) -#define DRM_IOCTL_I810_DOCOPY DRM_IO( 0x48) -#define DRM_IOCTL_I810_OV0INFO DRM_IOR( 0x49, drm_i810_overlay_t) -#define DRM_IOCTL_I810_FSTATUS DRM_IO ( 0x4a) -#define DRM_IOCTL_I810_OV0FLIP DRM_IO ( 0x4b) -#define DRM_IOCTL_I810_MC DRM_IOW( 0x4c, drm_i810_mc_t) -#define DRM_IOCTL_I810_RSTATUS DRM_IO ( 0x4d ) -#define DRM_IOCTL_I810_FLIP DRM_IO ( 0x4e ) +#define DRM_I810_INIT 0x00 +#define DRM_I810_VERTEX 0x01 +#define DRM_I810_CLEAR 0x02 +#define DRM_I810_FLUSH 0x03 +#define DRM_I810_GETAGE 0x04 +#define DRM_I810_GETBUF 0x05 +#define DRM_I810_SWAP 0x06 +#define DRM_I810_COPY 0x07 +#define DRM_I810_DOCOPY 0x08 +#define DRM_I810_OV0INFO 0x09 +#define DRM_I810_FSTATUS 0x0a +#define DRM_I810_OV0FLIP 0x0b +#define DRM_I810_MC 0x0c +#define DRM_I810_RSTATUS 0x0d +#define DRM_I810_FLIP 0x0e + +#define DRM_IOCTL_I810_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I810_INIT, drm_i810_init_t) +#define DRM_IOCTL_I810_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_I810_VERTEX, drm_i810_vertex_t) +#define DRM_IOCTL_I810_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_I810_CLEAR, drm_i810_clear_t) +#define DRM_IOCTL_I810_FLUSH DRM_IO( DRM_COMMAND_BASE + DRM_I810_FLUSH) +#define DRM_IOCTL_I810_GETAGE DRM_IO( DRM_COMMAND_BASE + DRM_I810_GETAGE) +#define DRM_IOCTL_I810_GETBUF DRM_IOWR(DRM_COMMAND_BASE + DRM_I810_GETBUF, drm_i810_dma_t) +#define DRM_IOCTL_I810_SWAP DRM_IO( DRM_COMMAND_BASE + DRM_I810_SWAP) +#define DRM_IOCTL_I810_COPY DRM_IOW( DRM_COMMAND_BASE + DRM_I810_COPY, drm_i810_copy_t) +#define DRM_IOCTL_I810_DOCOPY DRM_IO( DRM_COMMAND_BASE + DRM_I810_DOCOPY) +#define DRM_IOCTL_I810_OV0INFO DRM_IOR( DRM_COMMAND_BASE + DRM_I810_OV0INFO, drm_i810_overlay_t) +#define DRM_IOCTL_I810_FSTATUS DRM_IO ( DRM_COMMAND_BASE + DRM_I810_FSTATUS) +#define DRM_IOCTL_I810_OV0FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I810_OV0FLIP) +#define DRM_IOCTL_I810_MC DRM_IOW( DRM_COMMAND_BASE + DRM_I810_MC, drm_i810_mc_t) +#define DRM_IOCTL_I810_RSTATUS DRM_IO ( DRM_COMMAND_BASE + DRM_I810_RSTATUS) +#define DRM_IOCTL_I810_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I810_FLIP) typedef struct _drm_i810_clear { int clear_color; diff -Nru a/drivers/char/drm/i810_drv.c b/drivers/char/drm/i810_drv.c --- a/drivers/char/drm/i810_drv.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i810_drv.c 2004-12-12 18:07:35 -08:00 @@ -31,10 +31,110 @@ */ #include -#include "i810.h" #include "drmP.h" #include "drm.h" #include "i810_drm.h" #include "i810_drv.h" -#include "drm_core.h" +#include "drm_pciids.h" + +static int postinit( struct drm_device *dev, unsigned long flags ) +{ + /* i810 has 4 more counters */ + dev->counters += 4; + dev->types[6] = _DRM_STAT_IRQ; + dev->types[7] = _DRM_STAT_PRIMARY; + dev->types[8] = _DRM_STAT_SECONDARY; + dev->types[9] = _DRM_STAT_DMA; + + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + i810_PCI_IDS +}; + +static drm_ioctl_desc_t ioctls[] = { + [DRM_IOCTL_NR(DRM_I810_INIT)] = { i810_dma_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_I810_VERTEX)] = { i810_dma_vertex, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_CLEAR)] = { i810_clear_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_FLUSH)] = { i810_flush_ioctl, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_GETAGE)] = { i810_getage, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_GETBUF)] = { i810_getbuf, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_SWAP)] = { i810_swap_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_COPY)] = { i810_copybuf, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_DOCOPY)] = { i810_docopy, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_OV0INFO)] = { i810_ov0_info, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_FSTATUS)] = { i810_fstatus, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_OV0FLIP)] = { i810_ov0_flip, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_MC)] = { i810_dma_mc, 1, 1 }, + [DRM_IOCTL_NR(DRM_I810_RSTATUS)] = { i810_rstatus, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_FLIP)] = { i810_flip_bufs, 1, 0 } +}; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_DMA_QUEUE, + .dev_priv_size = sizeof(drm_i810_buf_priv_t), + .pretakedown = i810_driver_pretakedown, + .release = i810_driver_release, + .dma_quiescent = i810_driver_dma_quiescent, + .reclaim_buffers = i810_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .postinit = postinit, + .version = version, + .ioctls = ioctls, + .num_ioctls = DRM_ARRAY_SIZE(ioctls), + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = i810_mmap_buffers, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + }, +}; + +static int __init i810_init(void) +{ + return drm_init(&driver); +} + +static void __exit i810_exit(void) +{ + drm_exit(&driver); +} + +module_init(i810_init); +module_exit(i810_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff -Nru a/drivers/char/drm/i810_drv.h b/drivers/char/drm/i810_drv.h --- a/drivers/char/drm/i810_drv.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i810_drv.h 2004-12-12 18:07:35 -08:00 @@ -32,6 +32,29 @@ #ifndef _I810_DRV_H_ #define _I810_DRV_H_ +/* General customization: + */ + +#define DRIVER_AUTHOR "VA Linux Systems Inc." + +#define DRIVER_NAME "i810" +#define DRIVER_DESC "Intel i810" +#define DRIVER_DATE "20030605" + +/* Interface history + * + * 1.1 - XFree86 4.1 + * 1.2 - XvMC interfaces + * - XFree86 4.2 + * 1.2.1 - Disable copying code (leave stub ioctls for backwards compatibility) + * - Remove requirement for interrupt (leave stubs again) + * 1.3 - Add page flipping. + * 1.4 - fix DRM interface + */ +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 4 +#define DRIVER_PATCHLEVEL 0 + typedef struct drm_i810_buf_priv { u32 *in_use; int my_use_idx; @@ -127,17 +150,21 @@ extern void i810_dma_quiescent(drm_device_t *dev); -int i810_dma_vertex(struct inode *inode, struct file *filp, +extern int i810_dma_vertex(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -int i810_swap_bufs(struct inode *inode, struct file *filp, +extern int i810_swap_bufs(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -int i810_clear_bufs(struct inode *inode, struct file *filp, +extern int i810_clear_bufs(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -int i810_flip_bufs(struct inode *inode, struct file *filp, +extern int i810_flip_bufs(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); + +extern int i810_driver_dma_quiescent(drm_device_t *dev); +extern void i810_driver_release(drm_device_t *dev, struct file *filp); +extern void i810_driver_pretakedown(drm_device_t *dev); #define I810_BASE(reg) ((unsigned long) \ dev_priv->mmio_map->handle) diff -Nru a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c --- a/drivers/char/drm/i830_dma.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i830_dma.c 2004-12-12 18:07:35 -08:00 @@ -31,7 +31,6 @@ * */ -#include "i830.h" #include "drmP.h" #include "drm.h" #include "i830_drm.h" @@ -111,12 +110,12 @@ } static struct file_operations i830_buffer_fops = { - .open = DRM(open), - .flush = DRM(flush), - .release = DRM(release), - .ioctl = DRM(ioctl), + .open = drm_open, + .flush = drm_flush, + .release = drm_release, + .ioctl = drm_ioctl, .mmap = i830_mmap_buffers, - .fasync = DRM(fasync), + .fasync = drm_fasync, }; int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma) @@ -237,7 +236,7 @@ * may not have been called from userspace and after dev_private * is freed, it's too late. */ - if ( dev->irq_enabled ) DRM(irq_uninstall)(dev); + if ( dev->irq_enabled ) drm_irq_uninstall(dev); if (dev->dev_private) { int i; @@ -245,7 +244,7 @@ (drm_i830_private_t *) dev->dev_private; if (dev_priv->ring.virtual_start) { - DRM(ioremapfree)((void *) dev_priv->ring.virtual_start, + drm_ioremapfree((void *) dev_priv->ring.virtual_start, dev_priv->ring.Size, dev); } if (dev_priv->hw_status_page) { @@ -256,7 +255,7 @@ I830_WRITE(0x02080, 0x1ffff000); } - DRM(free)(dev->dev_private, sizeof(drm_i830_private_t), + drm_free(dev->dev_private, sizeof(drm_i830_private_t), DRM_MEM_DRIVER); dev->dev_private = NULL; @@ -264,7 +263,7 @@ drm_buf_t *buf = dma->buflist[ i ]; drm_i830_buf_priv_t *buf_priv = buf->dev_private; if ( buf_priv->kernel_virtual && buf->total ) - DRM(ioremapfree)(buf_priv->kernel_virtual, buf->total, dev); + drm_ioremapfree(buf_priv->kernel_virtual, buf->total, dev); } } return 0; @@ -339,7 +338,7 @@ *buf_priv->in_use = I830_BUF_FREE; - buf_priv->kernel_virtual = DRM(ioremap)(buf->bus_address, + buf_priv->kernel_virtual = drm_ioremap(buf->bus_address, buf->total, dev); } return 0; @@ -392,7 +391,7 @@ dev_priv->ring.End = init->ring_end; dev_priv->ring.Size = init->ring_size; - dev_priv->ring.virtual_start = DRM(ioremap)(dev->agp->base + + dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base + init->ring_start, init->ring_size, dev); @@ -475,7 +474,7 @@ switch(init.func) { case I830_INIT_DMA: - dev_priv = DRM(alloc)(sizeof(drm_i830_private_t), + dev_priv = drm_alloc(sizeof(drm_i830_private_t), DRM_MEM_DRIVER); if(dev_priv == NULL) return -ENOMEM; retcode = i830_dma_initialize(dev, dev_priv, &init); @@ -1319,10 +1318,7 @@ drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i830_flush_ioctl called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); i830_flush_queue(dev); return 0; @@ -1343,10 +1339,7 @@ if (copy_from_user(&vertex, (drm_i830_vertex_t __user *)arg, sizeof(vertex))) return -EFAULT; - if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i830_dma_vertex called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); DRM_DEBUG("i830 dma vertex, idx %d used %d discard %d\n", vertex.idx, vertex.used, vertex.discard); @@ -1373,10 +1366,7 @@ if (copy_from_user(&clear, (drm_i830_clear_t __user *)arg, sizeof(clear))) return -EFAULT; - if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i830_clear_bufs called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); /* GH: Someone's doing nasty things... */ if (!dev->dev_private) { @@ -1398,10 +1388,7 @@ DRM_DEBUG("i830_swap_bufs\n"); - if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i830_swap_buf called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); i830_dma_dispatch_swap( dev ); return 0; @@ -1442,10 +1429,7 @@ DRM_DEBUG("%s\n", __FUNCTION__); - if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i830_flip_buf called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); if (!dev_priv->page_flipping) i830_do_init_pageflip( dev ); @@ -1484,10 +1468,7 @@ if (copy_from_user(&d, (drm_i830_dma_t __user *)arg, sizeof(d))) return -EFAULT; - if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i830_dma called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); d.granted = 0; @@ -1582,43 +1563,19 @@ } -static void i830_driver_pretakedown(drm_device_t *dev) +void i830_driver_pretakedown(drm_device_t *dev) { i830_dma_cleanup( dev ); } -static void i830_driver_release(drm_device_t *dev, struct file *filp) +void i830_driver_release(drm_device_t *dev, struct file *filp) { i830_reclaim_buffers(filp); } -static int i830_driver_dma_quiescent(drm_device_t *dev) +int i830_driver_dma_quiescent(drm_device_t *dev) { i830_dma_quiescent( dev ); return 0; -} - -void i830_driver_register_fns(drm_device_t *dev) -{ - dev->driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_DMA_QUEUE; -#if USE_IRQS - dev->driver_features |= DRIVER_HAVE_IRQ | DRIVER_SHARED_IRQ; -#endif - dev->dev_priv_size = sizeof(drm_i830_buf_priv_t); - dev->fn_tbl.pretakedown = i830_driver_pretakedown; - dev->fn_tbl.release = i830_driver_release; - dev->fn_tbl.dma_quiescent = i830_driver_dma_quiescent; - dev->fn_tbl.reclaim_buffers = i830_reclaim_buffers; -#if USE_IRQS - dev->fn_tbl.irq_preinstall = i830_driver_irq_preinstall; - dev->fn_tbl.irq_postinstall = i830_driver_irq_postinstall; - dev->fn_tbl.irq_uninstall = i830_driver_irq_uninstall; - dev->fn_tbl.irq_handler = i830_driver_irq_handler; -#endif - dev->counters += 4; - dev->types[6] = _DRM_STAT_IRQ; - dev->types[7] = _DRM_STAT_PRIMARY; - dev->types[8] = _DRM_STAT_SECONDARY; - dev->types[9] = _DRM_STAT_DMA; } diff -Nru a/drivers/char/drm/i830_drm.h b/drivers/char/drm/i830_drm.h --- a/drivers/char/drm/i830_drm.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i830_drm.h 2004-12-12 18:07:35 -08:00 @@ -251,20 +251,35 @@ /* I830 specific ioctls * The device specific ioctl range is 0x40 to 0x79. */ -#define DRM_IOCTL_I830_INIT DRM_IOW( 0x40, drm_i830_init_t) -#define DRM_IOCTL_I830_VERTEX DRM_IOW( 0x41, drm_i830_vertex_t) -#define DRM_IOCTL_I830_CLEAR DRM_IOW( 0x42, drm_i830_clear_t) -#define DRM_IOCTL_I830_FLUSH DRM_IO ( 0x43) -#define DRM_IOCTL_I830_GETAGE DRM_IO ( 0x44) -#define DRM_IOCTL_I830_GETBUF DRM_IOWR(0x45, drm_i830_dma_t) -#define DRM_IOCTL_I830_SWAP DRM_IO ( 0x46) -#define DRM_IOCTL_I830_COPY DRM_IOW( 0x47, drm_i830_copy_t) -#define DRM_IOCTL_I830_DOCOPY DRM_IO ( 0x48) -#define DRM_IOCTL_I830_FLIP DRM_IO ( 0x49) -#define DRM_IOCTL_I830_IRQ_EMIT DRM_IOWR(0x4a, drm_i830_irq_emit_t) -#define DRM_IOCTL_I830_IRQ_WAIT DRM_IOW( 0x4b, drm_i830_irq_wait_t) -#define DRM_IOCTL_I830_GETPARAM DRM_IOWR(0x4c, drm_i830_getparam_t) -#define DRM_IOCTL_I830_SETPARAM DRM_IOWR(0x4d, drm_i830_setparam_t) +#define DRM_I830_INIT 0x00 +#define DRM_I830_VERTEX 0x01 +#define DRM_I830_CLEAR 0x02 +#define DRM_I830_FLUSH 0x03 +#define DRM_I830_GETAGE 0x04 +#define DRM_I830_GETBUF 0x05 +#define DRM_I830_SWAP 0x06 +#define DRM_I830_COPY 0x07 +#define DRM_I830_DOCOPY 0x08 +#define DRM_I830_FLIP 0x09 +#define DRM_I830_IRQ_EMIT 0x0a +#define DRM_I830_IRQ_WAIT 0x0b +#define DRM_I830_GETPARAM 0x0c +#define DRM_I830_SETPARAM 0x0d + +#define DRM_IOCTL_I830_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_INIT, drm_i830_init_t) +#define DRM_IOCTL_I830_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_VERTEX, drm_i830_vertex_t) +#define DRM_IOCTL_I830_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_CLEAR, drm_i830_clear_t) +#define DRM_IOCTL_I830_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_FLUSH) +#define DRM_IOCTL_I830_GETAGE DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_GETAGE) +#define DRM_IOCTL_I830_GETBUF DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_GETBUF, drm_i830_dma_t) +#define DRM_IOCTL_I830_SWAP DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_SWAP) +#define DRM_IOCTL_I830_COPY DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_COPY, drm_i830_copy_t) +#define DRM_IOCTL_I830_DOCOPY DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_DOCOPY) +#define DRM_IOCTL_I830_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_FLIP) +#define DRM_IOCTL_I830_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_IRQ_EMIT, drm_i830_irq_emit_t) +#define DRM_IOCTL_I830_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_IRQ_WAIT, drm_i830_irq_wait_t) +#define DRM_IOCTL_I830_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_GETPARAM, drm_i830_getparam_t) +#define DRM_IOCTL_I830_SETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_SETPARAM, drm_i830_setparam_t) typedef struct _drm_i830_clear { int clear_color; diff -Nru a/drivers/char/drm/i830_drv.c b/drivers/char/drm/i830_drv.c --- a/drivers/char/drm/i830_drv.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i830_drv.c 2004-12-12 18:07:35 -08:00 @@ -33,10 +33,118 @@ */ #include -#include "i830.h" #include "drmP.h" #include "drm.h" #include "i830_drm.h" #include "i830_drv.h" -#include "drm_core.h" +#include "drm_pciids.h" + +int postinit( struct drm_device *dev, unsigned long flags ) +{ + dev->counters += 4; + dev->types[6] = _DRM_STAT_IRQ; + dev->types[7] = _DRM_STAT_PRIMARY; + dev->types[8] = _DRM_STAT_SECONDARY; + dev->types[9] = _DRM_STAT_DMA; + + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + i830_PCI_IDS +}; + +static drm_ioctl_desc_t ioctls[] = { + [DRM_IOCTL_NR(DRM_I830_INIT)] = { i830_dma_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_I830_VERTEX)] = { i830_dma_vertex, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_CLEAR)] = { i830_clear_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_FLUSH)] = { i830_flush_ioctl, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_GETAGE)] = { i830_getage, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_GETBUF)] = { i830_getbuf, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_SWAP)] = { i830_swap_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_COPY)] = { i830_copybuf, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_DOCOPY)] = { i830_docopy, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_FLIP)] = { i830_flip_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_IRQ_EMIT)] = { i830_irq_emit, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_IRQ_WAIT)] = { i830_irq_wait, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_GETPARAM)] = { i830_getparam, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_SETPARAM)] = { i830_setparam, 1, 0 } +}; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_DMA_QUEUE, +#if USE_IRQS + .driver_features |= DRIVER_HAVE_IRQ | DRIVER_SHARED_IRQ, +#endif + .dev_priv_size = sizeof(drm_i830_buf_priv_t), + .pretakedown = i830_driver_pretakedown, + .release = i830_driver_release, + .dma_quiescent = i830_driver_dma_quiescent, + .reclaim_buffers = i830_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, +#if USE_IRQS + .irq_preinstall = i830_driver_irq_preinstall, + .irq_postinstall = i830_driver_irq_postinstall, + .irq_uninstall = i830_driver_irq_uninstall, + .irq_handler = i830_driver_irq_handler, +#endif + .postinit = postinit, + .version = version, + .ioctls = ioctls, + .num_ioctls = DRM_ARRAY_SIZE(ioctls), + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = i830_mmap_buffers, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + } + +}; + +static int __init i830_init(void) +{ + return drm_init(&driver); +} + +static void __exit i830_exit(void) +{ + drm_exit(&driver); +} + +module_init(i830_init); +module_exit(i830_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff -Nru a/drivers/char/drm/i830_drv.h b/drivers/char/drm/i830_drv.h --- a/drivers/char/drm/i830_drv.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i830_drv.h 2004-12-12 18:07:35 -08:00 @@ -32,6 +32,36 @@ #ifndef _I830_DRV_H_ #define _I830_DRV_H_ +/* General customization: + */ + +#define DRIVER_AUTHOR "VA Linux Systems Inc." + +#define DRIVER_NAME "i830" +#define DRIVER_DESC "Intel 830M" +#define DRIVER_DATE "20021108" + +/* Interface history: + * + * 1.1: Original. + * 1.2: ? + * 1.3: New irq emit/wait ioctls. + * New pageflip ioctl. + * New getparam ioctl. + * State for texunits 3&4 in sarea. + * New (alternative) layout for texture state. + */ +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 3 +#define DRIVER_PATCHLEVEL 2 + +/* Driver will work either way: IRQ's save cpu time when waiting for + * the card, but are subject to subtle interactions between bios, + * hardware and the driver. + */ +/* XXX: Add vblank support? */ +#define USE_IRQS 0 + typedef struct drm_i830_buf_priv { u32 *in_use; int my_use_idx; @@ -140,6 +170,9 @@ extern void i830_driver_irq_preinstall( drm_device_t *dev ); extern void i830_driver_irq_postinstall( drm_device_t *dev ); extern void i830_driver_irq_uninstall( drm_device_t *dev ); +extern void i830_driver_pretakedown(drm_device_t *dev); +extern void i830_driver_release(drm_device_t *dev, struct file *filp); +extern int i830_driver_dma_quiescent(drm_device_t *dev); #define I830_BASE(reg) ((unsigned long) \ dev_priv->mmio_map->handle) diff -Nru a/drivers/char/drm/i830_irq.c b/drivers/char/drm/i830_irq.c --- a/drivers/char/drm/i830_irq.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i830_irq.c 2004-12-12 18:07:35 -08:00 @@ -26,7 +26,6 @@ * */ -#include "i830.h" #include "drmP.h" #include "drm.h" #include "i830_drm.h" @@ -129,10 +128,7 @@ drm_i830_irq_emit_t emit; int result; - if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i830_irq_emit called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN(dev, filp); if ( !dev_priv ) { DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); diff -Nru a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c --- a/drivers/char/drm/i915_dma.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i915_dma.c 2004-12-12 18:07:35 -08:00 @@ -7,7 +7,6 @@ * **************************************************************************/ -#include "i915.h" #include "drmP.h" #include "drm.h" #include "i915_drm.h" @@ -84,7 +83,7 @@ * is freed, it's too late. */ if (dev->irq) - DRM(irq_uninstall) (dev); + drm_irq_uninstall (dev); if (dev->dev_private) { drm_i915_private_t *dev_priv = @@ -102,7 +101,7 @@ I915_WRITE(0x02080, 0x1ffff000); } - DRM(free) (dev->dev_private, sizeof(drm_i915_private_t), + drm_free (dev->dev_private, sizeof(drm_i915_private_t), DRM_MEM_DRIVER); dev->dev_private = NULL; @@ -242,7 +241,7 @@ switch (init.func) { case I915_INIT_DMA: - dev_priv = DRM(alloc) (sizeof(drm_i915_private_t), + dev_priv = drm_alloc (sizeof(drm_i915_private_t), DRM_MEM_DRIVER); if (dev_priv == NULL) return DRM_ERR(ENOMEM); @@ -545,10 +544,7 @@ { DRM_DEVICE; - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i915_flush_ioctl called without lock held\n"); - return DRM_ERR(EINVAL); - } + LOCK_TEST_WITH_RETURN(dev, filp); return i915_quiescent(dev); } @@ -574,10 +570,7 @@ DRM_DEBUG("i915 batchbuffer, start %x used %d cliprects %d\n", batch.start, batch.used, batch.num_cliprects); - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i915_batchbuffer called without lock held\n"); - return DRM_ERR(EINVAL); - } + LOCK_TEST_WITH_RETURN(dev, filp); if (batch.num_cliprects && DRM_VERIFYAREA_READ(batch.cliprects, batch.num_cliprects * @@ -606,10 +599,7 @@ DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n", cmdbuf.buf, cmdbuf.sz, cmdbuf.num_cliprects); - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i915_cmdbuffer called without lock held\n"); - return DRM_ERR(EINVAL); - } + LOCK_TEST_WITH_RETURN(dev, filp); if (cmdbuf.num_cliprects && DRM_VERIFYAREA_READ(cmdbuf.cliprects, @@ -645,10 +635,8 @@ DRM_DEVICE; DRM_DEBUG("%s\n", __FUNCTION__); - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i915_flip_buf called without lock held\n"); - return DRM_ERR(EINVAL); - } + + LOCK_TEST_WITH_RETURN(dev, filp); return i915_dispatch_flip(dev); } @@ -720,7 +708,7 @@ return 0; } -static void i915_driver_pretakedown(drm_device_t *dev) +void i915_driver_pretakedown(drm_device_t *dev) { if ( dev->dev_private ) { drm_i915_private_t *dev_priv = dev->dev_private; @@ -729,7 +717,7 @@ i915_dma_cleanup( dev ); } -static void i915_driver_prerelease(drm_device_t *dev, DRMFILE filp) +void i915_driver_prerelease(drm_device_t *dev, DRMFILE filp) { if ( dev->dev_private ) { drm_i915_private_t *dev_priv = dev->dev_private; @@ -737,19 +725,3 @@ } } -void i915_driver_register_fns(drm_device_t *dev) -{ - dev->driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED; - dev->fn_tbl.pretakedown = i915_driver_pretakedown; - dev->fn_tbl.prerelease = i915_driver_prerelease; - dev->fn_tbl.irq_preinstall = i915_driver_irq_preinstall; - dev->fn_tbl.irq_postinstall = i915_driver_irq_postinstall; - dev->fn_tbl.irq_uninstall = i915_driver_irq_uninstall; - dev->fn_tbl.irq_handler = i915_driver_irq_handler; - - dev->counters += 4; - dev->types[6] = _DRM_STAT_IRQ; - dev->types[7] = _DRM_STAT_PRIMARY; - dev->types[8] = _DRM_STAT_SECONDARY; - dev->types[9] = _DRM_STAT_DMA; -} diff -Nru a/drivers/char/drm/i915_drm.h b/drivers/char/drm/i915_drm.h --- a/drivers/char/drm/i915_drm.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i915_drm.h 2004-12-12 18:07:35 -08:00 @@ -61,18 +61,31 @@ /* I915 specific ioctls * The device specific ioctl range is 0x40 to 0x79. */ -#define DRM_IOCTL_I915_INIT DRM_IOW( 0x40, drm_i915_init_t) -#define DRM_IOCTL_I915_FLUSH DRM_IO ( 0x41) -#define DRM_IOCTL_I915_FLIP DRM_IO ( 0x42) -#define DRM_IOCTL_I915_BATCHBUFFER DRM_IOW( 0x43, drm_i915_batchbuffer_t) -#define DRM_IOCTL_I915_IRQ_EMIT DRM_IOWR(0x44, drm_i915_irq_emit_t) -#define DRM_IOCTL_I915_IRQ_WAIT DRM_IOW( 0x45, drm_i915_irq_wait_t) -#define DRM_IOCTL_I915_GETPARAM DRM_IOWR(0x46, drm_i915_getparam_t) -#define DRM_IOCTL_I915_SETPARAM DRM_IOW( 0x47, drm_i915_setparam_t) -#define DRM_IOCTL_I915_ALLOC DRM_IOWR(0x48, drm_i915_mem_alloc_t) -#define DRM_IOCTL_I915_FREE DRM_IOW( 0x49, drm_i915_mem_free_t) -#define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( 0x4a, drm_i915_mem_init_heap_t) -#define DRM_IOCTL_I915_CMDBUFFER DRM_IOW( 0x4b, drm_i915_cmdbuffer_t) +#define DRM_I915_INIT 0x00 +#define DRM_I915_FLUSH 0x01 +#define DRM_I915_FLIP 0x02 +#define DRM_I915_BATCHBUFFER 0x03 +#define DRM_I915_IRQ_EMIT 0x04 +#define DRM_I915_IRQ_WAIT 0x05 +#define DRM_I915_GETPARAM 0x06 +#define DRM_I915_SETPARAM 0x07 +#define DRM_I915_ALLOC 0x08 +#define DRM_I915_FREE 0x09 +#define DRM_I915_INIT_HEAP 0x0a +#define DRM_I915_CMDBUFFER 0x0b + +#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) +#define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) +#define DRM_IOCTL_I915_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLIP) +#define DRM_IOCTL_I915_BATCHBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_BATCHBUFFER, drm_i915_batchbuffer_t) +#define DRM_IOCTL_I915_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t) +#define DRM_IOCTL_I915_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t) +#define DRM_IOCTL_I915_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, drm_i915_getparam_t) +#define DRM_IOCTL_I915_SETPARAM DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SETPARAM, drm_i915_setparam_t) +#define DRM_IOCTL_I915_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_ALLOC, drm_i915_mem_alloc_t) +#define DRM_IOCTL_I915_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t) +#define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t) +#define DRM_IOCTL_I915_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t) /* Allow drivers to submit batchbuffers directly to hardware, relying * on the security mechanisms provided by hardware. diff -Nru a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c --- a/drivers/char/drm/i915_drv.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i915_drv.c 2004-12-12 18:07:35 -08:00 @@ -8,10 +8,109 @@ * **************************************************************************/ -#include "i915.h" #include "drmP.h" #include "drm.h" #include "i915_drm.h" #include "i915_drv.h" -#include "drm_core.h" +#include "drm_pciids.h" + +int postinit( struct drm_device *dev, unsigned long flags ) +{ + dev->counters += 4; + dev->types[6] = _DRM_STAT_IRQ; + dev->types[7] = _DRM_STAT_PRIMARY; + dev->types[8] = _DRM_STAT_SECONDARY; + dev->types[9] = _DRM_STAT_DMA; + + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + i915_PCI_IDS +}; + +static drm_ioctl_desc_t ioctls[] = { + [DRM_IOCTL_NR(DRM_I915_INIT)] = { i915_dma_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_I915_FLUSH)] = { i915_flush_ioctl, 1, 0 }, + [DRM_IOCTL_NR(DRM_I915_FLIP)] = { i915_flip_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_I915_BATCHBUFFER)] = { i915_batchbuffer, 1, 0 }, + [DRM_IOCTL_NR(DRM_I915_IRQ_EMIT)] = { i915_irq_emit, 1, 0 }, + [DRM_IOCTL_NR(DRM_I915_IRQ_WAIT)] = { i915_irq_wait, 1, 0 }, + [DRM_IOCTL_NR(DRM_I915_GETPARAM)] = { i915_getparam, 1, 0 }, + [DRM_IOCTL_NR(DRM_I915_SETPARAM)] = { i915_setparam, 1, 1 }, + [DRM_IOCTL_NR(DRM_I915_ALLOC)] = { i915_mem_alloc, 1, 0 }, + [DRM_IOCTL_NR(DRM_I915_FREE)] = { i915_mem_free, 1, 0 }, + [DRM_IOCTL_NR(DRM_I915_INIT_HEAP)] = { i915_mem_init_heap, 1, 1 }, + [DRM_IOCTL_NR(DRM_I915_CMDBUFFER)] = { i915_cmdbuffer, 1, 0 } +}; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | + DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED, + .pretakedown = i915_driver_pretakedown, + .prerelease = i915_driver_prerelease, + .irq_preinstall = i915_driver_irq_preinstall, + .irq_postinstall = i915_driver_irq_postinstall, + .irq_uninstall = i915_driver_irq_uninstall, + .irq_handler = i915_driver_irq_handler, + .reclaim_buffers = drm_core_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .postinit = postinit, + .version = version, + .ioctls = ioctls, + .num_ioctls = DRM_ARRAY_SIZE(ioctls), + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + } +}; + +static int __init i915_init(void) +{ + return drm_init(&driver); +} + +static void __exit i915_exit(void) +{ + drm_exit(&driver); +} + +module_init(i915_init); +module_exit(i915_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff -Nru a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h --- a/drivers/char/drm/i915_drv.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i915_drv.h 2004-12-12 18:07:35 -08:00 @@ -10,6 +10,28 @@ #ifndef _I915_DRV_H_ #define _I915_DRV_H_ +/* General customization: + */ + +#define DRIVER_AUTHOR "Tungsten Graphics, Inc." + +#define DRIVER_NAME "i915" +#define DRIVER_DESC "Intel Graphics" +#define DRIVER_DATE "20040405" + +/* Interface history: + * + * 1.1: Original. + */ +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 1 +#define DRIVER_PATCHLEVEL 0 + +/* We use our own dma mechanisms, not the drm template code. However, + * the shared IRQ code is useful to us: + */ +#define __HAVE_PM 1 + typedef struct _drm_i915_ring_buffer { int tail_mask; unsigned long Start; @@ -66,6 +88,8 @@ extern int i915_setparam(DRM_IOCTL_ARGS); extern int i915_cmdbuffer(DRM_IOCTL_ARGS); extern void i915_kernel_lost_context(drm_device_t * dev); +extern void i915_driver_pretakedown(drm_device_t *dev); +extern void i915_driver_prerelease(drm_device_t *dev, DRMFILE filp); /* i915_irq.c */ extern int i915_irq_emit(DRM_IOCTL_ARGS); diff -Nru a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c --- a/drivers/char/drm/i915_irq.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i915_irq.c 2004-12-12 18:07:35 -08:00 @@ -7,7 +7,6 @@ * **************************************************************************/ -#include "i915.h" #include "drmP.h" #include "drm.h" #include "i915_drm.h" @@ -92,10 +91,7 @@ drm_i915_irq_emit_t emit; int result; - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("i915_irq_emit called without lock held\n"); - return DRM_ERR(EINVAL); - } + LOCK_TEST_WITH_RETURN(dev, filp); if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __FUNCTION__); diff -Nru a/drivers/char/drm/i915_mem.c b/drivers/char/drm/i915_mem.c --- a/drivers/char/drm/i915_mem.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/i915_mem.c 2004-12-12 18:07:35 -08:00 @@ -7,7 +7,6 @@ * **************************************************************************/ -#include "i915.h" #include "drmP.h" #include "drm.h" #include "i915_drm.h" @@ -75,7 +74,7 @@ { /* Maybe cut off the start of an existing block */ if (start > p->start) { - struct mem_block *newblock = DRM_MALLOC(sizeof(*newblock)); + struct mem_block *newblock = drm_alloc(sizeof(*newblock), DRM_MEM_BUFLISTS); if (!newblock) goto out; newblock->start = start; @@ -91,7 +90,7 @@ /* Maybe cut off the end of an existing block */ if (size < p->size) { - struct mem_block *newblock = DRM_MALLOC(sizeof(*newblock)); + struct mem_block *newblock = drm_alloc(sizeof(*newblock), DRM_MEM_BUFLISTS); if (!newblock) goto out; newblock->start = start + size; @@ -148,7 +147,7 @@ p->size += q->size; p->next = q->next; p->next->prev = p; - DRM_FREE(q, sizeof(*q)); + drm_free(q, sizeof(*q), DRM_MEM_BUFLISTS); } if (p->prev->filp == NULL) { @@ -156,7 +155,7 @@ q->size += p->size; q->next = p->next; q->next->prev = q; - DRM_FREE(p, sizeof(*q)); + drm_free(p, sizeof(*q), DRM_MEM_BUFLISTS); } } @@ -164,14 +163,14 @@ */ static int init_heap(struct mem_block **heap, int start, int size) { - struct mem_block *blocks = DRM_MALLOC(sizeof(*blocks)); + struct mem_block *blocks = drm_alloc(sizeof(*blocks), DRM_MEM_BUFLISTS); if (!blocks) return -ENOMEM; - *heap = DRM_MALLOC(sizeof(**heap)); + *heap = drm_alloc(sizeof(**heap), DRM_MEM_BUFLISTS); if (!*heap) { - DRM_FREE(blocks, sizeof(*blocks)); + drm_free(blocks, sizeof(*blocks), DRM_MEM_BUFLISTS); return -ENOMEM; } @@ -211,7 +210,7 @@ p->size += q->size; p->next = q->next; p->next->prev = p; - DRM_FREE(q, sizeof(*q)); + drm_free(q, sizeof(*q), DRM_MEM_BUFLISTS); } } } @@ -228,10 +227,10 @@ for (p = (*heap)->next; p != *heap;) { struct mem_block *q = p; p = p->next; - DRM_FREE(q, sizeof(*q)); + drm_free(q, sizeof(*q), DRM_MEM_BUFLISTS); } - DRM_FREE(*heap, sizeof(**heap)); + drm_free(*heap, sizeof(**heap), DRM_MEM_BUFLISTS); *heap = NULL; } diff -Nru a/drivers/char/drm/mga_dma.c b/drivers/char/drm/mga_dma.c --- a/drivers/char/drm/mga_dma.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/mga_dma.c 2004-12-12 18:07:35 -08:00 @@ -33,7 +33,6 @@ * Gareth Hughes */ -#include "mga.h" #include "drmP.h" #include "drm.h" #include "mga_drm.h" @@ -308,7 +307,7 @@ int i; DRM_DEBUG( "count=%d\n", dma->buf_count ); - dev_priv->head = DRM(alloc)( sizeof(drm_mga_freelist_t), + dev_priv->head = drm_alloc( sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER ); if ( dev_priv->head == NULL ) return DRM_ERR(ENOMEM); @@ -320,7 +319,7 @@ buf = dma->buflist[i]; buf_priv = buf->dev_private; - entry = DRM(alloc)( sizeof(drm_mga_freelist_t), + entry = drm_alloc( sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER ); if ( entry == NULL ) return DRM_ERR(ENOMEM); @@ -357,7 +356,7 @@ entry = dev_priv->head; while ( entry ) { next = entry->next; - DRM(free)( entry, sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER ); + drm_free( entry, sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER ); entry = next; } @@ -458,7 +457,7 @@ int ret; DRM_DEBUG( "\n" ); - dev_priv = DRM(alloc)( sizeof(drm_mga_private_t), DRM_MEM_DRIVER ); + dev_priv = drm_alloc( sizeof(drm_mga_private_t), DRM_MEM_DRIVER ); if ( !dev_priv ) return DRM_ERR(ENOMEM); @@ -634,7 +633,7 @@ * may not have been called from userspace and after dev_private * is freed, it's too late. */ - if ( dev->irq_enabled ) DRM(irq_uninstall)(dev); + if ( dev->irq_enabled ) drm_irq_uninstall(dev); if ( dev->dev_private ) { drm_mga_private_t *dev_priv = dev->dev_private; @@ -650,7 +649,7 @@ mga_freelist_cleanup( dev ); } - DRM(free)( dev->dev_private, sizeof(drm_mga_private_t), + drm_free( dev->dev_private, sizeof(drm_mga_private_t), DRM_MEM_DRIVER ); dev->dev_private = NULL; } @@ -798,30 +797,13 @@ return ret; } -static void mga_driver_pretakedown(drm_device_t *dev) +void mga_driver_pretakedown(drm_device_t *dev) { mga_do_cleanup_dma( dev ); } -static int mga_driver_dma_quiescent(drm_device_t *dev) +int mga_driver_dma_quiescent(drm_device_t *dev) { drm_mga_private_t *dev_priv = dev->dev_private; return mga_do_wait_for_idle( dev_priv ); -} - -void mga_driver_register_fns(drm_device_t *dev) -{ - dev->driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL; - dev->fn_tbl.pretakedown = mga_driver_pretakedown; - dev->fn_tbl.dma_quiescent = mga_driver_dma_quiescent; - dev->fn_tbl.vblank_wait = mga_driver_vblank_wait; - dev->fn_tbl.irq_preinstall = mga_driver_irq_preinstall; - dev->fn_tbl.irq_postinstall = mga_driver_irq_postinstall; - dev->fn_tbl.irq_uninstall = mga_driver_irq_uninstall; - dev->fn_tbl.irq_handler = mga_driver_irq_handler; - - dev->counters += 3; - dev->types[6] = _DRM_STAT_IRQ; - dev->types[7] = _DRM_STAT_PRIMARY; - dev->types[8] = _DRM_STAT_SECONDARY; } diff -Nru a/drivers/char/drm/mga_drv.c b/drivers/char/drm/mga_drv.c --- a/drivers/char/drm/mga_drv.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/mga_drv.c 2004-12-12 18:07:35 -08:00 @@ -30,9 +30,108 @@ */ #include -#include "mga.h" #include "drmP.h" #include "drm.h" #include "mga_drm.h" #include "mga_drv.h" -#include "drm_core.h" + + +#include "drm_pciids.h" + +static int postinit( struct drm_device *dev, unsigned long flags ) +{ + dev->counters += 3; + dev->types[6] = _DRM_STAT_IRQ; + dev->types[7] = _DRM_STAT_PRIMARY; + dev->types[8] = _DRM_STAT_SECONDARY; + + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + mga_PCI_IDS +}; + +static drm_ioctl_desc_t ioctls[] = { + [DRM_IOCTL_NR(DRM_MGA_INIT)] = { mga_dma_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_MGA_FLUSH)] = { mga_dma_flush, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_RESET)] = { mga_dma_reset, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_SWAP)] = { mga_dma_swap, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_CLEAR)] = { mga_dma_clear, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_VERTEX)] = { mga_dma_vertex, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_INDICES)] = { mga_dma_indices, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_ILOAD)] = { mga_dma_iload, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_BLIT)] = { mga_dma_blit, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_GETPARAM)]= { mga_getparam, 1, 0 }, +}; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, + .pretakedown = mga_driver_pretakedown, + .dma_quiescent = mga_driver_dma_quiescent, + .vblank_wait = mga_driver_vblank_wait, + .irq_preinstall = mga_driver_irq_preinstall, + .irq_postinstall = mga_driver_irq_postinstall, + .irq_uninstall = mga_driver_irq_uninstall, + .irq_handler = mga_driver_irq_handler, + .reclaim_buffers = drm_core_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .postinit = postinit, + .version = version, + .ioctls = ioctls, + .num_ioctls = DRM_ARRAY_SIZE(ioctls), + .dma_ioctl = mga_dma_buffers, + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + } +}; + +static int __init mga_init(void) +{ + return drm_init(&driver); +} + +static void __exit mga_exit(void) +{ + drm_exit(&driver); +} + +module_init(mga_init); +module_exit(mga_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff -Nru a/drivers/char/drm/mga_drv.h b/drivers/char/drm/mga_drv.h --- a/drivers/char/drm/mga_drv.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/mga_drv.h 2004-12-12 18:07:35 -08:00 @@ -31,6 +31,19 @@ #ifndef __MGA_DRV_H__ #define __MGA_DRV_H__ +/* General customization: + */ + +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." + +#define DRIVER_NAME "mga" +#define DRIVER_DESC "Matrox G200/G400" +#define DRIVER_DATE "20021029" + +#define DRIVER_MAJOR 3 +#define DRIVER_MINOR 1 +#define DRIVER_PATCHLEVEL 0 + typedef struct drm_mga_primary_buffer { u8 *start; u8 *end; @@ -104,6 +117,8 @@ extern int mga_dma_flush( DRM_IOCTL_ARGS ); extern int mga_dma_reset( DRM_IOCTL_ARGS ); extern int mga_dma_buffers( DRM_IOCTL_ARGS ); +extern void mga_driver_pretakedown(drm_device_t *dev); +extern int mga_driver_dma_quiescent(drm_device_t *dev); extern int mga_do_wait_for_idle( drm_mga_private_t *dev_priv ); extern int mga_do_dma_idle( drm_mga_private_t *dev_priv ); diff -Nru a/drivers/char/drm/mga_irq.c b/drivers/char/drm/mga_irq.c --- a/drivers/char/drm/mga_irq.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/mga_irq.c 2004-12-12 18:07:35 -08:00 @@ -30,7 +30,6 @@ * Eric Anholt */ -#include "mga.h" #include "drmP.h" #include "drm.h" #include "mga_drm.h" @@ -50,7 +49,7 @@ MGA_WRITE( MGA_ICLEAR, MGA_VLINEICLR ); atomic_inc(&dev->vbl_received); DRM_WAKEUP(&dev->vbl_queue); - DRM(vbl_send_signals)( dev ); + drm_vbl_send_signals( dev ); return IRQ_HANDLED; } return IRQ_NONE; diff -Nru a/drivers/char/drm/mga_state.c b/drivers/char/drm/mga_state.c --- a/drivers/char/drm/mga_state.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/mga_state.c 2004-12-12 18:07:35 -08:00 @@ -32,7 +32,6 @@ * Gareth Hughes */ -#include "mga.h" #include "drmP.h" #include "drm.h" #include "mga_drm.h" diff -Nru a/drivers/char/drm/mga_warp.c b/drivers/char/drm/mga_warp.c --- a/drivers/char/drm/mga_warp.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/mga_warp.c 2004-12-12 18:07:35 -08:00 @@ -27,7 +27,6 @@ * Gareth Hughes */ -#include "mga.h" #include "drmP.h" #include "drm.h" #include "mga_drm.h" diff -Nru a/drivers/char/drm/r128_cce.c b/drivers/char/drm/r128_cce.c --- a/drivers/char/drm/r128_cce.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/r128_cce.c 2004-12-12 18:07:35 -08:00 @@ -28,7 +28,6 @@ * Gareth Hughes */ -#include "r128.h" #include "drmP.h" #include "drm.h" #include "r128_drm.h" @@ -355,7 +354,7 @@ DRM_DEBUG( "\n" ); - dev_priv = DRM(alloc)( sizeof(drm_r128_private_t), DRM_MEM_DRIVER ); + dev_priv = drm_alloc( sizeof(drm_r128_private_t), DRM_MEM_DRIVER ); if ( dev_priv == NULL ) return DRM_ERR(ENOMEM); @@ -544,7 +543,7 @@ dev_priv->ring.end = ((u32 *)dev_priv->cce_ring->handle + init->ring_size / sizeof(u32)); dev_priv->ring.size = init->ring_size; - dev_priv->ring.size_l2qw = DRM(order)( init->ring_size / 8 ); + dev_priv->ring.size_l2qw = drm_order( init->ring_size / 8 ); dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1; @@ -561,7 +560,7 @@ #if __OS_HAS_AGP if ( dev_priv->is_pci ) { #endif - if (!DRM(ati_pcigart_init)( dev, &dev_priv->phys_pci_gart, + if (!drm_ati_pcigart_init( dev, &dev_priv->phys_pci_gart, &dev_priv->bus_pci_gart) ) { DRM_ERROR( "failed to init PCI GART!\n" ); dev->dev_private = (void *)dev_priv; @@ -590,7 +589,7 @@ * may not have been called from userspace and after dev_private * is freed, it's too late. */ - if ( dev->irq_enabled ) DRM(irq_uninstall)(dev); + if ( dev->irq_enabled ) drm_irq_uninstall(dev); if ( dev->dev_private ) { drm_r128_private_t *dev_priv = dev->dev_private; @@ -606,13 +605,13 @@ } else #endif { - if (!DRM(ati_pcigart_cleanup)( dev, + if (!drm_ati_pcigart_cleanup( dev, dev_priv->phys_pci_gart, dev_priv->bus_pci_gart )) DRM_ERROR( "failed to cleanup PCI GART!\n" ); } - DRM(free)( dev->dev_private, sizeof(drm_r128_private_t), + drm_free( dev->dev_private, sizeof(drm_r128_private_t), DRM_MEM_DRIVER ); dev->dev_private = NULL; } @@ -771,7 +770,7 @@ drm_r128_freelist_t *entry; int i; - dev_priv->head = DRM(alloc)( sizeof(drm_r128_freelist_t), + dev_priv->head = drm_alloc( sizeof(drm_r128_freelist_t), DRM_MEM_DRIVER ); if ( dev_priv->head == NULL ) return DRM_ERR(ENOMEM); @@ -783,7 +782,7 @@ buf = dma->buflist[i]; buf_priv = buf->dev_private; - entry = DRM(alloc)( sizeof(drm_r128_freelist_t), + entry = drm_alloc( sizeof(drm_r128_freelist_t), DRM_MEM_DRIVER ); if ( !entry ) return DRM_ERR(ENOMEM); diff -Nru a/drivers/char/drm/r128_drv.c b/drivers/char/drm/r128_drv.c --- a/drivers/char/drm/r128_drv.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/r128_drv.c 2004-12-12 18:07:35 -08:00 @@ -30,11 +30,116 @@ */ #include -#include "r128.h" #include "drmP.h" #include "drm.h" #include "r128_drm.h" #include "r128_drv.h" -#include "ati_pcigart.h" -#include "drm_core.h" +#include "drm_pciids.h" + +static int postinit( struct drm_device *dev, unsigned long flags ) +{ + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + r128_PCI_IDS +}; + +/* Interface history: + * + * ?? - ?? + * 2.4 - Add support for ycbcr textures (no new ioctls) + * 2.5 - Add FLIP ioctl, disable FULLSCREEN. + */ +static drm_ioctl_desc_t ioctls[] = { + [DRM_IOCTL_NR(DRM_R128_INIT)] = { r128_cce_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_R128_CCE_START)] = { r128_cce_start, 1, 1 }, + [DRM_IOCTL_NR(DRM_R128_CCE_STOP)] = { r128_cce_stop, 1, 1 }, + [DRM_IOCTL_NR(DRM_R128_CCE_RESET)] = { r128_cce_reset, 1, 1 }, + [DRM_IOCTL_NR(DRM_R128_CCE_IDLE)] = { r128_cce_idle, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_RESET)] = { r128_engine_reset, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_FULLSCREEN)] = { r128_fullscreen, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_SWAP)] = { r128_cce_swap, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_FLIP)] = { r128_cce_flip, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_CLEAR)] = { r128_cce_clear, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_VERTEX)] = { r128_cce_vertex, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_INDICES)] = { r128_cce_indices, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_BLIT)] = { r128_cce_blit, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_DEPTH)] = { r128_cce_depth, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_STIPPLE)] = { r128_cce_stipple, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_INDIRECT)] = { r128_cce_indirect, 1, 1 }, + [DRM_IOCTL_NR(DRM_R128_GETPARAM)] = { r128_getparam, 1, 0 }, +}; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, + .dev_priv_size = sizeof(drm_r128_buf_priv_t), + .prerelease = r128_driver_prerelease, + .pretakedown = r128_driver_pretakedown, + .vblank_wait = r128_driver_vblank_wait, + .irq_preinstall = r128_driver_irq_preinstall, + .irq_postinstall = r128_driver_irq_postinstall, + .irq_uninstall = r128_driver_irq_uninstall, + .irq_handler = r128_driver_irq_handler, + .reclaim_buffers = drm_core_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .postinit = postinit, + .version = version, + .ioctls = ioctls, + .num_ioctls = DRM_ARRAY_SIZE(ioctls), + .dma_ioctl = r128_cce_buffers, + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + } +}; + +static int __init r128_init(void) +{ + return drm_init(&driver); +} + +static void __exit r128_exit(void) +{ + drm_exit(&driver); +} + +module_init(r128_init); +module_exit(r128_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff -Nru a/drivers/char/drm/r128_drv.h b/drivers/char/drm/r128_drv.h --- a/drivers/char/drm/r128_drv.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/r128_drv.h 2004-12-12 18:07:35 -08:00 @@ -28,12 +28,25 @@ * Rickard E. (Rik) Faith * Kevin E. Martin * Gareth Hughes - * Michel Dänzer + * Michel D�zer */ #ifndef __R128_DRV_H__ #define __R128_DRV_H__ +/* General customization: + */ +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." + +#define DRIVER_NAME "r128" +#define DRIVER_DESC "ATI Rage 128" +#define DRIVER_DATE "20030725" + +#define DRIVER_MAJOR 2 +#define DRIVER_MINOR 5 +#define DRIVER_PATCHLEVEL 0 + + #define GET_RING_HEAD(dev_priv) R128_READ( R128_PM4_BUFFER_DL_RPTR ) typedef struct drm_r128_freelist { @@ -148,6 +161,8 @@ extern void r128_driver_irq_preinstall( drm_device_t *dev ); extern void r128_driver_irq_postinstall( drm_device_t *dev ); extern void r128_driver_irq_uninstall( drm_device_t *dev ); +extern void r128_driver_pretakedown(drm_device_t *dev); +extern void r128_driver_prerelease(drm_device_t *dev, DRMFILE filp); /* Register definitions, register access macros and drmAddMap constants * for Rage 128 kernel driver. diff -Nru a/drivers/char/drm/r128_irq.c b/drivers/char/drm/r128_irq.c --- a/drivers/char/drm/r128_irq.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/r128_irq.c 2004-12-12 18:07:35 -08:00 @@ -30,7 +30,6 @@ * Eric Anholt */ -#include "r128.h" #include "drmP.h" #include "drm.h" #include "r128_drm.h" @@ -50,7 +49,7 @@ R128_WRITE( R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK ); atomic_inc(&dev->vbl_received); DRM_WAKEUP(&dev->vbl_queue); - DRM(vbl_send_signals)( dev ); + drm_vbl_send_signals( dev ); return IRQ_HANDLED; } return IRQ_NONE; diff -Nru a/drivers/char/drm/r128_state.c b/drivers/char/drm/r128_state.c --- a/drivers/char/drm/r128_state.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/r128_state.c 2004-12-12 18:07:35 -08:00 @@ -27,7 +27,6 @@ * Gareth Hughes */ -#include "r128.h" #include "drmP.h" #include "drm.h" #include "r128_drm.h" @@ -926,24 +925,24 @@ } buffer_size = depth->n * sizeof(u32); - buffer = DRM_MALLOC( buffer_size ); + buffer = drm_alloc( buffer_size, DRM_MEM_BUFS ); if ( buffer == NULL ) return DRM_ERR(ENOMEM); if ( DRM_COPY_FROM_USER( buffer, depth->buffer, buffer_size ) ) { - DRM_FREE( buffer, buffer_size); + drm_free( buffer, buffer_size, DRM_MEM_BUFS); return DRM_ERR(EFAULT); } mask_size = depth->n * sizeof(u8); if ( depth->mask ) { - mask = DRM_MALLOC( mask_size ); + mask = drm_alloc( mask_size, DRM_MEM_BUFS ); if ( mask == NULL ) { - DRM_FREE( buffer, buffer_size ); + drm_free( buffer, buffer_size, DRM_MEM_BUFS ); return DRM_ERR(ENOMEM); } if ( DRM_COPY_FROM_USER( mask, depth->mask, mask_size ) ) { - DRM_FREE( buffer, buffer_size ); - DRM_FREE( mask, mask_size ); + drm_free( buffer, buffer_size, DRM_MEM_BUFS ); + drm_free( mask, mask_size, DRM_MEM_BUFS ); return DRM_ERR(EFAULT); } @@ -970,7 +969,7 @@ } } - DRM_FREE( mask, mask_size ); + drm_free( mask, mask_size, DRM_MEM_BUFS ); } else { for ( i = 0 ; i < count ; i++, x++ ) { BEGIN_RING( 6 ); @@ -994,7 +993,7 @@ } } - DRM_FREE( buffer, buffer_size ); + drm_free( buffer, buffer_size, DRM_MEM_BUFS ); return 0; } @@ -1016,54 +1015,54 @@ xbuf_size = count * sizeof(*x); ybuf_size = count * sizeof(*y); - x = DRM_MALLOC( xbuf_size ); + x = drm_alloc( xbuf_size, DRM_MEM_BUFS ); if ( x == NULL ) { return DRM_ERR(ENOMEM); } - y = DRM_MALLOC( ybuf_size ); + y = drm_alloc( ybuf_size, DRM_MEM_BUFS ); if ( y == NULL ) { - DRM_FREE( x, xbuf_size ); + drm_free( x, xbuf_size, DRM_MEM_BUFS ); return DRM_ERR(ENOMEM); } if ( DRM_COPY_FROM_USER( x, depth->x, xbuf_size ) ) { - DRM_FREE( x, xbuf_size ); - DRM_FREE( y, ybuf_size ); + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); return DRM_ERR(EFAULT); } if ( DRM_COPY_FROM_USER( y, depth->y, xbuf_size ) ) { - DRM_FREE( x, xbuf_size ); - DRM_FREE( y, ybuf_size ); + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); return DRM_ERR(EFAULT); } buffer_size = depth->n * sizeof(u32); - buffer = DRM_MALLOC( buffer_size ); + buffer = drm_alloc( buffer_size, DRM_MEM_BUFS ); if ( buffer == NULL ) { - DRM_FREE( x, xbuf_size ); - DRM_FREE( y, ybuf_size ); + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); return DRM_ERR(ENOMEM); } if ( DRM_COPY_FROM_USER( buffer, depth->buffer, buffer_size ) ) { - DRM_FREE( x, xbuf_size ); - DRM_FREE( y, ybuf_size ); - DRM_FREE( buffer, buffer_size ); + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); + drm_free( buffer, buffer_size, DRM_MEM_BUFS ); return DRM_ERR(EFAULT); } if ( depth->mask ) { mask_size = depth->n * sizeof(u8); - mask = DRM_MALLOC( mask_size ); + mask = drm_alloc( mask_size, DRM_MEM_BUFS ); if ( mask == NULL ) { - DRM_FREE( x, xbuf_size ); - DRM_FREE( y, ybuf_size ); - DRM_FREE( buffer, buffer_size ); + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); + drm_free( buffer, buffer_size, DRM_MEM_BUFS ); return DRM_ERR(ENOMEM); } if ( DRM_COPY_FROM_USER( mask, depth->mask, mask_size ) ) { - DRM_FREE( x, xbuf_size ); - DRM_FREE( y, ybuf_size ); - DRM_FREE( buffer, buffer_size ); - DRM_FREE( mask, mask_size ); + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); + drm_free( buffer, buffer_size, DRM_MEM_BUFS ); + drm_free( mask, mask_size, DRM_MEM_BUFS ); return DRM_ERR(EFAULT); } @@ -1090,7 +1089,7 @@ } } - DRM_FREE( mask, mask_size ); + drm_free( mask, mask_size, DRM_MEM_BUFS ); } else { for ( i = 0 ; i < count ; i++ ) { BEGIN_RING( 6 ); @@ -1114,9 +1113,9 @@ } } - DRM_FREE( x, xbuf_size ); - DRM_FREE( y, ybuf_size ); - DRM_FREE( buffer, buffer_size ); + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); + drm_free( buffer, buffer_size, DRM_MEM_BUFS ); return 0; } @@ -1184,23 +1183,23 @@ xbuf_size = count * sizeof(*x); ybuf_size = count * sizeof(*y); - x = DRM_MALLOC( xbuf_size ); + x = drm_alloc( xbuf_size, DRM_MEM_BUFS ); if ( x == NULL ) { return DRM_ERR(ENOMEM); } - y = DRM_MALLOC( ybuf_size ); + y = drm_alloc( ybuf_size, DRM_MEM_BUFS ); if ( y == NULL ) { - DRM_FREE( x, xbuf_size ); + drm_free( x, xbuf_size, DRM_MEM_BUFS ); return DRM_ERR(ENOMEM); } if ( DRM_COPY_FROM_USER( x, depth->x, xbuf_size ) ) { - DRM_FREE( x, xbuf_size ); - DRM_FREE( y, ybuf_size ); + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); return DRM_ERR(EFAULT); } if ( DRM_COPY_FROM_USER( y, depth->y, ybuf_size ) ) { - DRM_FREE( x, xbuf_size ); - DRM_FREE( y, ybuf_size ); + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); return DRM_ERR(EFAULT); } @@ -1228,8 +1227,8 @@ ADVANCE_RING(); } - DRM_FREE( x, xbuf_size ); - DRM_FREE( y, ybuf_size ); + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); return 0; } @@ -1695,7 +1694,7 @@ return 0; } -static void r128_driver_prerelease(drm_device_t *dev, DRMFILE filp) +void r128_driver_prerelease(drm_device_t *dev, DRMFILE filp) { if ( dev->dev_private ) { drm_r128_private_t *dev_priv = dev->dev_private; @@ -1705,20 +1704,8 @@ } } -static void r128_driver_pretakedown(drm_device_t *dev) +void r128_driver_pretakedown(drm_device_t *dev) { r128_do_cleanup_cce( dev ); } -void r128_driver_register_fns(drm_device_t *dev) -{ - dev->driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL; - dev->dev_priv_size = sizeof(drm_r128_buf_priv_t); - dev->fn_tbl.prerelease = r128_driver_prerelease; - dev->fn_tbl.pretakedown = r128_driver_pretakedown; - dev->fn_tbl.vblank_wait = r128_driver_vblank_wait; - dev->fn_tbl.irq_preinstall = r128_driver_irq_preinstall; - dev->fn_tbl.irq_postinstall = r128_driver_irq_postinstall; - dev->fn_tbl.irq_uninstall = r128_driver_irq_uninstall; - dev->fn_tbl.irq_handler = r128_driver_irq_handler; -} diff -Nru a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c --- a/drivers/char/drm/radeon_cp.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/radeon_cp.c 2004-12-12 18:07:35 -08:00 @@ -28,7 +28,6 @@ * Gareth Hughes */ -#include "radeon.h" #include "drmP.h" #include "drm.h" #include "radeon_drm.h" @@ -1006,7 +1005,7 @@ drm_radeon_private_t *dev_priv; DRM_DEBUG( "\n" ); - dev_priv = DRM(alloc)( sizeof(drm_radeon_private_t), DRM_MEM_DRIVER ); + dev_priv = drm_alloc( sizeof(drm_radeon_private_t), DRM_MEM_DRIVER ); if ( dev_priv == NULL ) return DRM_ERR(ENOMEM); @@ -1233,7 +1232,7 @@ dev_priv->ring.end = ((u32 *)dev_priv->cp_ring->handle + init->ring_size / sizeof(u32)); dev_priv->ring.size = init->ring_size; - dev_priv->ring.size_l2qw = DRM(order)( init->ring_size / 8 ); + dev_priv->ring.size_l2qw = drm_order( init->ring_size / 8 ); dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1; @@ -1247,7 +1246,7 @@ } else #endif { - if (!DRM(ati_pcigart_init)( dev, &dev_priv->phys_pci_gart, + if (!drm_ati_pcigart_init( dev, &dev_priv->phys_pci_gart, &dev_priv->bus_pci_gart)) { DRM_ERROR( "failed to init PCI GART!\n" ); dev->dev_private = (void *)dev_priv; @@ -1279,7 +1278,7 @@ * may not have been called from userspace and after dev_private * is freed, it's too late. */ - if ( dev->irq_enabled ) DRM(irq_uninstall)(dev); + if ( dev->irq_enabled ) drm_irq_uninstall(dev); if ( dev->dev_private ) { drm_radeon_private_t *dev_priv = dev->dev_private; @@ -1295,13 +1294,13 @@ } else #endif { - if (!DRM(ati_pcigart_cleanup)( dev, + if (!drm_ati_pcigart_cleanup( dev, dev_priv->phys_pci_gart, dev_priv->bus_pci_gart )) DRM_ERROR( "failed to cleanup PCI GART!\n" ); } - DRM(free)( dev->dev_private, sizeof(drm_radeon_private_t), + drm_free( dev->dev_private, sizeof(drm_radeon_private_t), DRM_MEM_DRIVER ); dev->dev_private = NULL; } diff -Nru a/drivers/char/drm/radeon_drv.c b/drivers/char/drm/radeon_drv.c --- a/drivers/char/drm/radeon_drv.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/radeon_drv.c 2004-12-12 18:07:35 -08:00 @@ -31,11 +31,153 @@ #include -#include "radeon.h" #include "drmP.h" #include "drm.h" #include "radeon_drm.h" #include "radeon_drv.h" -#include "ati_pcigart.h" -#include "drm_core.h" +#include "drm_pciids.h" + +static int postinit( struct drm_device *dev, unsigned long flags ) +{ + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + radeon_PCI_IDS +}; + +/* Interface history: + * + * 1.1 - ?? + * 1.2 - Add vertex2 ioctl (keith) + * - Add stencil capability to clear ioctl (gareth, keith) + * - Increase MAX_TEXTURE_LEVELS (brian) + * 1.3 - Add cmdbuf ioctl (keith) + * - Add support for new radeon packets (keith) + * - Add getparam ioctl (keith) + * - Add flip-buffers ioctl, deprecate fullscreen foo (keith). + * 1.4 - Add scratch registers to get_param ioctl. + * 1.5 - Add r200 packets to cmdbuf ioctl + * - Add r200 function to init ioctl + * - Add 'scalar2' instruction to cmdbuf + * 1.6 - Add static GART memory manager + * Add irq handler (won't be turned on unless X server knows to) + * Add irq ioctls and irq_active getparam. + * Add wait command for cmdbuf ioctl + * Add GART offset query for getparam + * 1.7 - Add support for cube map registers: R200_PP_CUBIC_FACES_[0..5] + * and R200_PP_CUBIC_OFFSET_F1_[0..5]. + * Added packets R200_EMIT_PP_CUBIC_FACES_[0..5] and + * R200_EMIT_PP_CUBIC_OFFSETS_[0..5]. (brian) + * 1.8 - Remove need to call cleanup ioctls on last client exit (keith) + * Add 'GET' queries for starting additional clients on different VT's. + * 1.9 - Add DRM_IOCTL_RADEON_CP_RESUME ioctl. + * Add texture rectangle support for r100. + * 1.10- Add SETPARAM ioctl; first parameter to set is FB_LOCATION, which + * clients use to tell the DRM where they think the framebuffer is + * located in the card's address space + * 1.11- Add packet R200_EMIT_RB3D_BLENDCOLOR to support GL_EXT_blend_color + * and GL_EXT_blend_[func|equation]_separate on r200 + */ +static drm_ioctl_desc_t ioctls[] = { + [DRM_IOCTL_NR(DRM_RADEON_CP_INIT)] = { radeon_cp_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_RADEON_CP_START)] = { radeon_cp_start, 1, 1 }, + [DRM_IOCTL_NR(DRM_RADEON_CP_STOP)] = { radeon_cp_stop, 1, 1 }, + [DRM_IOCTL_NR(DRM_RADEON_CP_RESET)] = { radeon_cp_reset, 1, 1 }, + [DRM_IOCTL_NR(DRM_RADEON_CP_IDLE)] = { radeon_cp_idle, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_CP_RESUME)] = { radeon_cp_resume, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_RESET)] = { radeon_engine_reset, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_FULLSCREEN)] = { radeon_fullscreen, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_SWAP)] = { radeon_cp_swap, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_CLEAR)] = { radeon_cp_clear, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_VERTEX)] = { radeon_cp_vertex, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_INDICES)] = { radeon_cp_indices, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_TEXTURE)] = { radeon_cp_texture, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_STIPPLE)] = { radeon_cp_stipple, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_INDIRECT)] = { radeon_cp_indirect, 1, 1 }, + [DRM_IOCTL_NR(DRM_RADEON_VERTEX2)] = { radeon_cp_vertex2, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_CMDBUF)] = { radeon_cp_cmdbuf, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_GETPARAM)] = { radeon_cp_getparam, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_FLIP)] = { radeon_cp_flip, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_ALLOC)] = { radeon_mem_alloc, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_FREE)] = { radeon_mem_free, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_INIT_HEAP)] = { radeon_mem_init_heap,1, 1 }, + [DRM_IOCTL_NR(DRM_RADEON_IRQ_EMIT)] = { radeon_irq_emit, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_IRQ_WAIT)] = { radeon_irq_wait, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_SETPARAM)] = { radeon_cp_setparam, 1, 0 }, +}; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, + .dev_priv_size = sizeof(drm_radeon_buf_priv_t), + .prerelease = radeon_driver_prerelease, + .pretakedown = radeon_driver_pretakedown, + .open_helper = radeon_driver_open_helper, + .vblank_wait = radeon_driver_vblank_wait, + .irq_preinstall = radeon_driver_irq_preinstall, + .irq_postinstall = radeon_driver_irq_postinstall, + .irq_uninstall = radeon_driver_irq_uninstall, + .irq_handler = radeon_driver_irq_handler, + .free_filp_priv = radeon_driver_free_filp_priv, + .reclaim_buffers = drm_core_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .postinit = postinit, + .version = version, + .ioctls = ioctls, + .num_ioctls = DRM_ARRAY_SIZE(ioctls), + .dma_ioctl = radeon_cp_buffers, + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + } +}; + +static int __init radeon_init(void) +{ + return drm_init(&driver); +} + +static void __exit radeon_exit(void) +{ + drm_exit(&driver); +} + +module_init(radeon_init); +module_exit(radeon_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff -Nru a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h --- a/drivers/char/drm/radeon_drv.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/radeon_drv.h 2004-12-12 18:07:35 -08:00 @@ -31,6 +31,19 @@ #ifndef __RADEON_DRV_H__ #define __RADEON_DRV_H__ +/* General customization: + */ + +#define DRIVER_AUTHOR "Gareth Hughes, Keith Whitwell, others." + +#define DRIVER_NAME "radeon" +#define DRIVER_DESC "ATI Radeon" +#define DRIVER_DATE "20020828" + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 11 +#define DRIVER_PATCHLEVEL 0 + #define GET_RING_HEAD(dev_priv) DRM_READ32( (dev_priv)->ring_rptr, 0 ) #define SET_RING_HEAD(dev_priv,val) DRM_WRITE32( (dev_priv)->ring_rptr, 0, (val) ) @@ -210,6 +223,14 @@ extern void radeon_driver_irq_preinstall( drm_device_t *dev ); extern void radeon_driver_irq_postinstall( drm_device_t *dev ); extern void radeon_driver_irq_uninstall( drm_device_t *dev ); +extern void radeon_driver_prerelease(drm_device_t *dev, DRMFILE filp); +extern void radeon_driver_pretakedown(drm_device_t *dev); +extern int radeon_driver_open_helper(drm_device_t *dev, drm_file_t *filp_priv); +extern void radeon_driver_free_filp_priv(drm_device_t *dev, drm_file_t *filp_priv); + +extern int radeon_preinit( struct drm_device *dev, unsigned long flags ); +extern int radeon_postinit( struct drm_device *dev, unsigned long flags ); +extern int radeon_postcleanup( struct drm_device *dev ); /* Flags for stats.boxes */ diff -Nru a/drivers/char/drm/radeon_irq.c b/drivers/char/drm/radeon_irq.c --- a/drivers/char/drm/radeon_irq.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/radeon_irq.c 2004-12-12 18:07:35 -08:00 @@ -27,10 +27,9 @@ * * Authors: * Keith Whitwell - * Michel Dänzer + * Michel D�zer */ -#include "radeon.h" #include "drmP.h" #include "drm.h" #include "radeon_drm.h" @@ -78,7 +77,7 @@ if (stat & RADEON_CRTC_VBLANK_STAT) { atomic_inc(&dev->vbl_received); DRM_WAKEUP(&dev->vbl_queue); - DRM(vbl_send_signals)( dev ); + drm_vbl_send_signals( dev ); } /* Acknowledge interrupts we handle */ @@ -223,7 +222,7 @@ /* drm_dma.h hooks */ -void DRM(driver_irq_preinstall)( drm_device_t *dev ) { +void radeon_driver_irq_preinstall( drm_device_t *dev ) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *)dev->dev_private; @@ -234,7 +233,7 @@ radeon_acknowledge_irqs( dev_priv ); } -void DRM(driver_irq_postinstall)( drm_device_t *dev ) { +void radeon_driver_irq_postinstall( drm_device_t *dev ) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *)dev->dev_private; @@ -247,7 +246,7 @@ RADEON_SW_INT_ENABLE ); } -void DRM(driver_irq_uninstall)( drm_device_t *dev ) { +void radeon_driver_irq_uninstall( drm_device_t *dev ) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *)dev->dev_private; if (!dev_priv) diff -Nru a/drivers/char/drm/radeon_mem.c b/drivers/char/drm/radeon_mem.c --- a/drivers/char/drm/radeon_mem.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/radeon_mem.c 2004-12-12 18:07:35 -08:00 @@ -29,7 +29,6 @@ * Keith Whitwell */ -#include "radeon.h" #include "drmP.h" #include "drm.h" #include "radeon_drm.h" @@ -44,7 +43,7 @@ { /* Maybe cut off the start of an existing block */ if (start > p->start) { - struct mem_block *newblock = DRM_MALLOC(sizeof(*newblock)); + struct mem_block *newblock = drm_alloc(sizeof(*newblock), DRM_MEM_BUFS ); if (!newblock) goto out; newblock->start = start; @@ -60,7 +59,7 @@ /* Maybe cut off the end of an existing block */ if (size < p->size) { - struct mem_block *newblock = DRM_MALLOC(sizeof(*newblock)); + struct mem_block *newblock = drm_alloc(sizeof(*newblock), DRM_MEM_BUFS ); if (!newblock) goto out; newblock->start = start + size; @@ -118,7 +117,7 @@ p->size += q->size; p->next = q->next; p->next->prev = p; - DRM_FREE(q, sizeof(*q)); + drm_free(q, sizeof(*q), DRM_MEM_BUFS ); } if (p->prev->filp == 0) { @@ -126,7 +125,7 @@ q->size += p->size; q->next = p->next; q->next->prev = q; - DRM_FREE(p, sizeof(*q)); + drm_free(p, sizeof(*q), DRM_MEM_BUFS ); } } @@ -134,14 +133,14 @@ */ static int init_heap(struct mem_block **heap, int start, int size) { - struct mem_block *blocks = DRM_MALLOC(sizeof(*blocks)); + struct mem_block *blocks = drm_alloc(sizeof(*blocks), DRM_MEM_BUFS ); if (!blocks) return DRM_ERR(ENOMEM); - *heap = DRM_MALLOC(sizeof(**heap)); + *heap = drm_alloc(sizeof(**heap), DRM_MEM_BUFS ); if (!*heap) { - DRM_FREE( blocks, sizeof(*blocks) ); + drm_free( blocks, sizeof(*blocks), DRM_MEM_BUFS ); return DRM_ERR(ENOMEM); } @@ -180,7 +179,7 @@ p->size += q->size; p->next = q->next; p->next->prev = p; - DRM_FREE(q, sizeof(*q)); + drm_free(q, sizeof(*q),DRM_MEM_DRIVER); } } } @@ -197,10 +196,10 @@ for (p = (*heap)->next ; p != *heap ; ) { struct mem_block *q = p; p = p->next; - DRM_FREE(q, sizeof(*q)); + drm_free(q, sizeof(*q),DRM_MEM_DRIVER); } - DRM_FREE( *heap, sizeof(**heap) ); + drm_free( *heap, sizeof(**heap),DRM_MEM_DRIVER ); *heap = NULL; } diff -Nru a/drivers/char/drm/radeon_state.c b/drivers/char/drm/radeon_state.c --- a/drivers/char/drm/radeon_state.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/radeon_state.c 2004-12-12 18:07:35 -08:00 @@ -27,7 +27,6 @@ * Kevin E. Martin */ -#include "radeon.h" #include "drmP.h" #include "drm.h" #include "drm_sarea.h" @@ -1440,7 +1439,8 @@ } if ( !buf ) { DRM_DEBUG("radeon_cp_dispatch_texture: EAGAIN\n"); - DRM_COPY_TO_USER( tex->image, image, sizeof(*image) ); + if (DRM_COPY_TO_USER( tex->image, image, sizeof(*image) )) + return DRM_ERR(EFAULT); return DRM_ERR(EAGAIN); } @@ -1596,7 +1596,7 @@ return 0; } -/* Called whenever a client dies, from DRM(release). +/* Called whenever a client dies, from drm_release. * NOTE: Lock isn't necessarily held when this is called! */ int radeon_do_cleanup_pageflip( drm_device_t *dev ) @@ -2553,7 +2553,7 @@ * * DRM infrastructure takes care of reclaiming dma buffers. */ -static void radeon_driver_prerelease(drm_device_t *dev, DRMFILE filp) +void radeon_driver_prerelease(drm_device_t *dev, DRMFILE filp) { if ( dev->dev_private ) { drm_radeon_private_t *dev_priv = dev->dev_private; @@ -2565,17 +2565,17 @@ } } -static void radeon_driver_pretakedown(drm_device_t *dev) +void radeon_driver_pretakedown(drm_device_t *dev) { radeon_do_release(dev); } -static int radeon_driver_open_helper(drm_device_t *dev, drm_file_t *filp_priv) +int radeon_driver_open_helper(drm_device_t *dev, drm_file_t *filp_priv) { drm_radeon_private_t *dev_priv = dev->dev_private; struct drm_radeon_driver_file_fields *radeon_priv; - radeon_priv = (struct drm_radeon_driver_file_fields *)DRM(alloc)(sizeof(*radeon_priv), DRM_MEM_FILES); + radeon_priv = (struct drm_radeon_driver_file_fields *)drm_alloc(sizeof(*radeon_priv), DRM_MEM_FILES); if (!radeon_priv) return -ENOMEM; @@ -2589,24 +2589,9 @@ } -static void radeon_driver_free_filp_priv(drm_device_t *dev, drm_file_t *filp_priv) +void radeon_driver_free_filp_priv(drm_device_t *dev, drm_file_t *filp_priv) { struct drm_radeon_driver_file_fields *radeon_priv = filp_priv->driver_priv; - DRM(free)(radeon_priv, sizeof(*radeon_priv), DRM_MEM_FILES); -} - -void radeon_driver_register_fns(struct drm_device *dev) -{ - dev->driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL; - dev->dev_priv_size = sizeof(drm_radeon_buf_priv_t); - dev->fn_tbl.prerelease = radeon_driver_prerelease; - dev->fn_tbl.pretakedown = radeon_driver_pretakedown; - dev->fn_tbl.open_helper = radeon_driver_open_helper; - dev->fn_tbl.free_filp_priv = radeon_driver_free_filp_priv; - dev->fn_tbl.vblank_wait = radeon_driver_vblank_wait; - dev->fn_tbl.irq_preinstall = radeon_driver_irq_preinstall; - dev->fn_tbl.irq_postinstall = radeon_driver_irq_postinstall; - dev->fn_tbl.irq_uninstall = radeon_driver_irq_uninstall; - dev->fn_tbl.irq_handler = radeon_driver_irq_handler; + drm_free(radeon_priv, sizeof(*radeon_priv), DRM_MEM_FILES); } diff -Nru a/drivers/char/drm/sis_drm.h b/drivers/char/drm/sis_drm.h --- a/drivers/char/drm/sis_drm.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/sis_drm.h 2004-12-12 18:07:35 -08:00 @@ -3,12 +3,21 @@ #define __SIS_DRM_H__ /* SiS specific ioctls */ -#define DRM_IOCTL_SIS_FB_ALLOC DRM_IOWR(0x44, drm_sis_mem_t) -#define DRM_IOCTL_SIS_FB_FREE DRM_IOW( 0x45, drm_sis_mem_t) -#define DRM_IOCTL_SIS_AGP_INIT DRM_IOWR(0x53, drm_sis_agp_t) -#define DRM_IOCTL_SIS_AGP_ALLOC DRM_IOWR(0x54, drm_sis_mem_t) -#define DRM_IOCTL_SIS_AGP_FREE DRM_IOW( 0x55, drm_sis_mem_t) -#define DRM_IOCTL_SIS_FB_INIT DRM_IOW( 0x56, drm_sis_fb_t) +#define NOT_USED_0_3 +#define DRM_SIS_FB_ALLOC 0x04 +#define DRM_SIS_FB_FREE 0x05 +#define NOT_USED_6_12 +#define DRM_SIS_AGP_INIT 0x13 +#define DRM_SIS_AGP_ALLOC 0x14 +#define DRM_SIS_AGP_FREE 0x15 +#define DRM_SIS_FB_INIT 0x16 + +#define DRM_IOCTL_SIS_FB_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_SIS_FB_ALLOC, drm_sis_mem_t) +#define DRM_IOCTL_SIS_FB_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_SIS_FB_FREE, drm_sis_mem_t) +#define DRM_IOCTL_SIS_AGP_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_SIS_AGP_INIT, drm_sis_agp_t) +#define DRM_IOCTL_SIS_AGP_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_SIS_AGP_ALLOC, drm_sis_mem_t) +#define DRM_IOCTL_SIS_AGP_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_SIS_AGP_FREE, drm_sis_mem_t) +#define DRM_IOCTL_SIS_FB_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_SIS_FB_INIT, drm_sis_fb_t) /* #define DRM_IOCTL_SIS_FLIP DRM_IOW( 0x48, drm_sis_flip_t) #define DRM_IOCTL_SIS_FLIP_INIT DRM_IO( 0x49) diff -Nru a/drivers/char/drm/sis_drv.c b/drivers/char/drm/sis_drv.c --- a/drivers/char/drm/sis_drv.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/sis_drv.c 2004-12-12 18:07:35 -08:00 @@ -26,9 +26,91 @@ */ #include -#include "sis.h" #include "drmP.h" #include "sis_drm.h" #include "sis_drv.h" -#include "drm_core.h" +#include "drm_pciids.h" + +static int postinit( struct drm_device *dev, unsigned long flags ) +{ + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + sisdrv_PCI_IDS +}; + +static drm_ioctl_desc_t ioctls[] = { + [DRM_IOCTL_NR(DRM_SIS_FB_ALLOC)] = { sis_fb_alloc, 1, 0 }, + [DRM_IOCTL_NR(DRM_SIS_FB_FREE)] = { sis_fb_free, 1, 0 }, + [DRM_IOCTL_NR(DRM_SIS_AGP_INIT)] = { sis_ioctl_agp_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_SIS_AGP_ALLOC)] = { sis_ioctl_agp_alloc, 1, 0 }, + [DRM_IOCTL_NR(DRM_SIS_AGP_FREE)] = { sis_ioctl_agp_free, 1, 0 }, + [DRM_IOCTL_NR(DRM_SIS_FB_INIT)] = { sis_fb_init, 1, 1 } +}; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR, + .context_ctor = sis_init_context, + .context_dtor = sis_final_context, + .reclaim_buffers = drm_core_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .postinit = postinit, + .version = version, + .ioctls = ioctls, + .num_ioctls = DRM_ARRAY_SIZE(ioctls), + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + } +}; + +static int __init sis_init(void) +{ + return drm_init(&driver); +} + +static void __exit sis_exit(void) +{ + drm_exit(&driver); +} + +module_init(sis_init); +module_exit(sis_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff -Nru a/drivers/char/drm/sis_drv.h b/drivers/char/drm/sis_drv.h --- a/drivers/char/drm/sis_drv.h 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/sis_drv.h 2004-12-12 18:07:35 -08:00 @@ -28,6 +28,17 @@ #ifndef _SIS_DRV_H_ #define _SIS_DRV_H_ +/* General customization: + */ + +#define DRIVER_AUTHOR "SIS" +#define DRIVER_NAME "sis" +#define DRIVER_DESC "SIS 300/630/540" +#define DRIVER_DATE "20030826" +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 1 +#define DRIVER_PATCHLEVEL 0 + #include "sis_ds.h" typedef struct drm_sis_private { @@ -41,5 +52,8 @@ extern int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS ); extern int sis_ioctl_agp_free( DRM_IOCTL_ARGS ); extern int sis_fb_init( DRM_IOCTL_ARGS ); + +extern int sis_init_context(drm_device_t *dev, int context); +extern int sis_final_context(drm_device_t *dev, int context); #endif diff -Nru a/drivers/char/drm/sis_ds.c b/drivers/char/drm/sis_ds.c --- a/drivers/char/drm/sis_ds.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/sis_ds.c 2004-12-12 18:07:35 -08:00 @@ -28,7 +28,6 @@ * */ -#include "sis.h" #include "drmP.h" #include "drm.h" #include "sis_ds.h" @@ -42,7 +41,7 @@ int i; set_t *set; - set = (set_t *)DRM(alloc)(sizeof(set_t), DRM_MEM_DRIVER); + set = (set_t *)drm_alloc(sizeof(set_t), DRM_MEM_DRIVER); if (set != NULL) { for (i = 0; i < SET_SIZE; i++) { set->list[i].free_next = i + 1; @@ -128,7 +127,7 @@ int setDestroy(set_t *set) { - DRM(free)(set, sizeof(set_t), DRM_MEM_DRIVER); + drm_free(set, sizeof(set_t), DRM_MEM_DRIVER); return 1; } @@ -167,7 +166,7 @@ if (size <= 0) return NULL; - blocks = (TMemBlock *)DRM(calloc)(1, sizeof(TMemBlock), DRM_MEM_DRIVER); + blocks = (TMemBlock *)drm_calloc(1, sizeof(TMemBlock), DRM_MEM_DRIVER); if (blocks != NULL) { blocks->ofs = ofs; blocks->size = size; @@ -202,7 +201,7 @@ int size ) { PMemBlock blocks; - blocks = (TMemBlock *)DRM(calloc)(2, sizeof(TMemBlock), DRM_MEM_DRIVER); + blocks = (TMemBlock *)drm_calloc(2, sizeof(TMemBlock), DRM_MEM_DRIVER); if (blocks != NULL) { blocks[0].size = size; blocks[0].free = 1; @@ -229,7 +228,7 @@ /* break left */ if (startofs > p->ofs) { - newblock = (TMemBlock*) DRM(calloc)(1, sizeof(TMemBlock), + newblock = (TMemBlock*) drm_calloc(1, sizeof(TMemBlock), DRM_MEM_DRIVER); newblock->ofs = startofs; newblock->size = p->size - (startofs - p->ofs); @@ -242,7 +241,7 @@ /* break right */ if (size < p->size) { - newblock = (TMemBlock*) DRM(calloc)(1, sizeof(TMemBlock), + newblock = (TMemBlock*) drm_calloc(1, sizeof(TMemBlock), DRM_MEM_DRIVER); newblock->ofs = startofs + size; newblock->size = p->size - size; @@ -295,7 +294,7 @@ TMemBlock *q = p->next; p->size += q->size; p->next = q->next; - DRM(free)(q, sizeof(TMemBlock), DRM_MEM_DRIVER); + drm_free(q, sizeof(TMemBlock), DRM_MEM_DRIVER); return 1; } return 0; @@ -380,7 +379,7 @@ p = (TMemBlock *)heap; while (p != NULL) { q = p->next; - DRM(free)(p, sizeof(TMemBlock), DRM_MEM_DRIVER); + drm_free(p, sizeof(TMemBlock), DRM_MEM_DRIVER); p = q; } } diff -Nru a/drivers/char/drm/sis_mm.c b/drivers/char/drm/sis_mm.c --- a/drivers/char/drm/sis_mm.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/sis_mm.c 2004-12-12 18:07:35 -08:00 @@ -28,7 +28,6 @@ * */ -#include "sis.h" #include "drmP.h" #include "sis_drm.h" #include "sis_drv.h" @@ -159,7 +158,7 @@ DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_fb_t __user *)data, sizeof(fb)); if (dev_priv == NULL) { - dev->dev_private = DRM(calloc)(1, sizeof(drm_sis_private_t), + dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t), DRM_MEM_DRIVER); dev_priv = dev->dev_private; if (dev_priv == NULL) @@ -247,7 +246,7 @@ drm_sis_agp_t agp; if (dev_priv == NULL) { - dev->dev_private = DRM(calloc)(1, sizeof(drm_sis_private_t), + dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t), DRM_MEM_DRIVER); dev_priv = dev->dev_private; if (dev_priv == NULL) @@ -403,11 +402,4 @@ } return 1; -} - -void DRM(driver_register_fns)(drm_device_t *dev) -{ - dev->driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR; - dev->fn_tbl.context_ctor = sis_init_context; - dev->fn_tbl.context_dtor = sis_final_context; } diff -Nru a/drivers/char/drm/tdfx.h b/drivers/char/drm/tdfx.h --- a/drivers/char/drm/tdfx.h 2004-12-12 18:07:35 -08:00 +++ /dev/null Wed Dec 31 16:00:00 196900 @@ -1,50 +0,0 @@ -/* tdfx.h -- 3dfx DRM template customization -*- linux-c -*- - * Created: Wed Feb 14 12:32:32 2001 by gareth@valinux.com - * - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: - * Gareth Hughes - */ - -#ifndef __TDFX_H__ -#define __TDFX_H__ - -/* This remains constant for all DRM template files. - */ -#define DRM(x) tdfx_##x - -/* General customization: - */ - -#define DRIVER_AUTHOR "VA Linux Systems Inc." - -#define DRIVER_NAME "tdfx" -#define DRIVER_DESC "3dfx Banshee/Voodoo3+" -#define DRIVER_DATE "20010216" - -#define DRIVER_MAJOR 1 -#define DRIVER_MINOR 0 -#define DRIVER_PATCHLEVEL 0 - -#endif diff -Nru a/drivers/char/drm/tdfx_drv.c b/drivers/char/drm/tdfx_drv.c --- a/drivers/char/drm/tdfx_drv.c 2004-12-12 18:07:35 -08:00 +++ b/drivers/char/drm/tdfx_drv.c 2004-12-12 18:07:35 -08:00 @@ -31,13 +31,77 @@ */ #include -#include "tdfx.h" #include "drmP.h" +#include "tdfx_drv.h" -#include "drm_core.h" +#include "drm_pciids.h" -void DRM(driver_register_fns)(drm_device_t *dev) +static int postinit( struct drm_device *dev, unsigned long flags ) { - dev->driver_features = DRIVER_USE_MTRR; + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->minor, + pci_pretty_name(dev->pdev) + ); + return 0; } +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + tdfx_PCI_IDS +}; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_MTRR, + .reclaim_buffers = drm_core_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .postinit = postinit, + .version = version, + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + } +}; + +static int __init tdfx_init(void) +{ + return drm_init(&driver); +} + +static void __exit tdfx_exit(void) +{ + drm_exit(&driver); +} + +module_init(tdfx_init); +module_exit(tdfx_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff -Nru a/drivers/char/drm/tdfx_drv.h b/drivers/char/drm/tdfx_drv.h --- /dev/null Wed Dec 31 16:00:00 196900 +++ b/drivers/char/drm/tdfx_drv.h 2004-12-12 18:07:35 -08:00 @@ -0,0 +1,50 @@ +/* tdfx.h -- 3dfx DRM template customization -*- linux-c -*- + * Created: Wed Feb 14 12:32:32 2001 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes + */ + +#ifndef __TDFX_H__ +#define __TDFX_H__ + +/* This remains constant for all DRM template files. + */ +#define DRM(x) tdfx_##x + +/* General customization: + */ + +#define DRIVER_AUTHOR "VA Linux Systems Inc." + +#define DRIVER_NAME "tdfx" +#define DRIVER_DESC "3dfx Banshee/Voodoo3+" +#define DRIVER_DATE "20010216" + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 + +#endif