diff options
Diffstat (limited to 'include/asm-ia64/sn/cdl.h')
| -rw-r--r-- | include/asm-ia64/sn/cdl.h | 176 |
1 files changed, 11 insertions, 165 deletions
diff --git a/include/asm-ia64/sn/cdl.h b/include/asm-ia64/sn/cdl.h index 35c7f8ec37b231..6f551e1ca85a33 100644 --- a/include/asm-ia64/sn/cdl.h +++ b/include/asm-ia64/sn/cdl.h @@ -4,13 +4,20 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1992 - 1997, 2000-2001 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 1992-1997,2000-2003 Silicon Graphics, Inc. All rights reserved. */ #ifndef _ASM_IA64_SN_CDL_H #define _ASM_IA64_SN_CDL_H #include <asm/sn/sgi.h> +struct cdl { + int part_num; /* Part part number */ + int mfg_num; /* Part MFG number */ + int (*attach)(vertex_hdl_t); /* Attach routine */ +}; + + /* * cdl: connection/driver list * @@ -21,175 +28,14 @@ typedef struct cdl *cdl_p; /* - * cdl_itr_f is the type for the functions - * that are handled by cdl_iterate. - */ - -typedef void -cdl_iter_f (devfs_handle_t vhdl); - -/* - * cdl_drv_f is the type for the functions - * that are called by cdl_add_driver and - * cdl_del_driver. - */ - -typedef void -cdl_drv_f (devfs_handle_t vhdl, int key1, int key2, int error); - -/* - * If CDL_PRI_HI is specified in the flags - * parameter for cdl_add_driver, then that driver's - * attach routine will be called for future connect - * points before any (non-CDL_PRI_HI) drivers. - * - * The IOC3 driver uses this facility to make sure - * that the ioc3_attach() function is called before - * the attach routines of any subdevices. - * - * Drivers for bridge-based crosstalk cards that - * are almost but not quite generic can use it to - * arrange that their attach() functions get called - * before the generic bridge drivers, so they can - * leave behind "hint" structures that will - * properly configure the generic driver. - */ -#define CDL_PRI_HI 0x0001 - -/* - * cdl_new: construct a new connection/driver list - * - * Called once for each "kind" of bus. Returns an - * opaque cookie representing the particular list - * that will be operated on by the other calls. - */ -extern cdl_p cdl_new(char *, char *, char *); - -/* - * cdl_del: destroy a connection/driver list. - * - * Releases all dynamically allocated resources - * associated with the specified list. Forgets what - * drivers might be involved in this kind of bus, - * forgets what connection points have been noticed - * on this kind of bus. - */ -extern void cdl_del(cdl_p reg); - -/* - * cdl_add_driver: register a device driver - * - * Calls the driver's attach routine with all - * connection points on the list that have the same - * key information as the driver; call-back the - * specified function to notify the driver of the - * attach status for each device. Place the driver - * on the list so that any connection points - * discovered in the future that match the driver - * can be handed off to the driver's attach - * routine. - * - * CDL_PRI_HI may be specified (see above). - */ - -extern int cdl_add_driver(cdl_p reg, - int key1, - int key2, - char *prefix, - int flags, - cdl_drv_f *func); - -/* - * cdl_del_driver: remove a device driver - * - * Calls the driver's detach routine with all - * connection points on the list that match the - * driver; call-back the specified function to - * notify the driver of the detach status for each - * device. Then forget about the driver. Future - * calls to cdl_add_connpt with connections that - * would match this driver no longer trigger calls - * to the driver's attach routine. - * - * NOTE: Yes, I said CONNECTION POINTS, not - * verticies that the driver has been attached to - * with hwgraph_driver_add(); this gives the driver - * a chance to clean up anything it did to the - * connection point in its attach routine. Also, - * this is done whether or not the attach routine - * was successful. - */ -extern void cdl_del_driver(cdl_p reg, - char *prefix, - cdl_drv_f *func); - -/* * cdl_add_connpt: add a connection point * * Calls the attach routines of all the drivers on * the list that match this connection point, in - * the order that they were added to the list, - * except that CDL_PRI_HI drivers are called first. - * - * Then the vertex is added to the list, so it can - * be presented to any matching drivers that may be - * subsequently added to the list. + * the order that they were added to the list. */ -extern int cdl_add_connpt(cdl_p reg, - int key1, +extern int cdl_add_connpt(int key1, int key2, - devfs_handle_t conn, + vertex_hdl_t conn, int drv_flags); - -/* - * cdl_del_connpt: delete a connection point - * - * Calls the detach routines of all matching - * drivers for this connection point, in the same - * order that the attach routines were called; then - * forgets about this vertex, so drivers added in - * the future will not be told about it. - * - * NOTE: Same caveat here about the detach calls as - * in the cdl_del_driver() comment above. - */ -extern int cdl_del_connpt(cdl_p reg, - int key1, - int key2, - devfs_handle_t conn, - int drv_flags); - -/* - * cdl_iterate: find all verticies in the registry - * corresponding to the named driver and call them - * with the specified function (giving the vertex - * as the parameter). - */ - -extern void cdl_iterate(cdl_p reg, - char *prefix, - cdl_iter_f *func); - -/* - * An INFO_LBL_ASYNC_ATTACH label is attached to a vertex, pointing to - * an instance of async_attach_s to indicate that asynchronous - * attachment may be applied to that device ... if the corresponding - * driver allows it. - */ - -struct async_attach_s { - struct semaphore async_sema; - int async_count; -}; -typedef struct async_attach_s *async_attach_t; - -async_attach_t async_attach_new(void); -void async_attach_free(async_attach_t); -async_attach_t async_attach_get_info(devfs_handle_t); -void async_attach_add_info(devfs_handle_t, async_attach_t); -void async_attach_del_info(devfs_handle_t); -void async_attach_signal_start(async_attach_t); -void async_attach_signal_done(async_attach_t); -void async_attach_waitall(async_attach_t); - #endif /* _ASM_IA64_SN_CDL_H */ |