diff options
Diffstat (limited to 'arch/ia64/sn/io/ml_iograph.c')
| -rw-r--r-- | arch/ia64/sn/io/ml_iograph.c | 1570 |
1 files changed, 0 insertions, 1570 deletions
diff --git a/arch/ia64/sn/io/ml_iograph.c b/arch/ia64/sn/io/ml_iograph.c deleted file mode 100644 index eb6e3e60bf87aa..00000000000000 --- a/arch/ia64/sn/io/ml_iograph.c +++ /dev/null @@ -1,1570 +0,0 @@ -/* $Id$ - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1992 - 1997, 2000-2002 Silicon Graphics, Inc. All rights reserved. - */ - -#include <linux/types.h> -#include <linux/config.h> -#include <linux/slab.h> -#include <linux/ctype.h> -#include <asm/sn/sgi.h> -#include <asm/sn/sn_sal.h> -#include <asm/sn/io.h> -#include <asm/sn/sn_cpuid.h> -#include <asm/sn/iograph.h> -#include <asm/sn/invent.h> -#include <asm/sn/hcl.h> -#include <asm/sn/hcl_util.h> -#include <asm/sn/labelcl.h> -#include <asm/sn/xtalk/xbow.h> -#include <asm/sn/pci/bridge.h> -#include <asm/sn/klconfig.h> -#include <asm/sn/eeprom.h> -#include <asm/sn/sn_private.h> -#include <asm/sn/pci/pcibr.h> -#include <asm/sn/xtalk/xtalk.h> -#include <asm/sn/xtalk/xswitch.h> -#include <asm/sn/xtalk/xwidget.h> -#include <asm/sn/xtalk/xtalk_private.h> -#include <asm/sn/xtalk/xtalkaddrs.h> - -/* #define IOGRAPH_DEBUG */ -#ifdef IOGRAPH_DEBUG -#define DBG(x...) printk(x) -#else -#define DBG(x...) -#endif /* IOGRAPH_DEBUG */ - -/* #define PROBE_TEST */ - -/* At most 2 hubs can be connected to an xswitch */ -#define NUM_XSWITCH_VOLUNTEER 2 - -/* - * Track which hubs have volunteered to manage devices hanging off of - * a Crosstalk Switch (e.g. xbow). This structure is allocated, - * initialized, and hung off the xswitch vertex early on when the - * xswitch vertex is created. - */ -typedef struct xswitch_vol_s { - mutex_t xswitch_volunteer_mutex; - int xswitch_volunteer_count; - devfs_handle_t xswitch_volunteer[NUM_XSWITCH_VOLUNTEER]; -} *xswitch_vol_t; - -void -xswitch_vertex_init(devfs_handle_t xswitch) -{ - xswitch_vol_t xvolinfo; - int rc; - - xvolinfo = kmalloc(sizeof(struct xswitch_vol_s), GFP_KERNEL); - mutex_init(&xvolinfo->xswitch_volunteer_mutex); - xvolinfo->xswitch_volunteer_count = 0; - rc = hwgraph_info_add_LBL(xswitch, - INFO_LBL_XSWITCH_VOL, - (arbitrary_info_t)xvolinfo); - ASSERT(rc == GRAPH_SUCCESS); rc = rc; -} - - -/* - * When assignment of hubs to widgets is complete, we no longer need the - * xswitch volunteer structure hanging around. Destroy it. - */ -static void -xswitch_volunteer_delete(devfs_handle_t xswitch) -{ - xswitch_vol_t xvolinfo; - int rc; - - rc = hwgraph_info_remove_LBL(xswitch, - INFO_LBL_XSWITCH_VOL, - (arbitrary_info_t *)&xvolinfo); -#ifdef LATER - ASSERT(rc == GRAPH_SUCCESS); rc = rc; -#endif - - kfree(xvolinfo); -} -/* - * A Crosstalk master volunteers to manage xwidgets on the specified xswitch. - */ -/* ARGSUSED */ -static void -volunteer_for_widgets(devfs_handle_t xswitch, devfs_handle_t master) -{ - xswitch_vol_t xvolinfo = NULL; - - (void)hwgraph_info_get_LBL(xswitch, - INFO_LBL_XSWITCH_VOL, - (arbitrary_info_t *)&xvolinfo); - if (xvolinfo == NULL) { -#ifdef LATER - if (!is_headless_node_vertex(master)) { -#if defined(SUPPORT_PRINTING_V_FORMAT) - printk(KERN_WARNING "volunteer for widgets: vertex %v has no info label", - xswitch); -#else - printk(KERN_WARNING "volunteer for widgets: vertex 0x%x has no info label", - xswitch); -#endif - } -#endif /* LATER */ - return; - } - - mutex_lock(&xvolinfo->xswitch_volunteer_mutex); - ASSERT(xvolinfo->xswitch_volunteer_count < NUM_XSWITCH_VOLUNTEER); - xvolinfo->xswitch_volunteer[xvolinfo->xswitch_volunteer_count] = master; - xvolinfo->xswitch_volunteer_count++; - mutex_unlock(&xvolinfo->xswitch_volunteer_mutex); -} - -extern int xbow_port_io_enabled(nasid_t nasid, int widgetnum); - -/* - * Assign all the xwidgets hanging off the specified xswitch to the - * Crosstalk masters that have volunteered for xswitch duty. - */ -/* ARGSUSED */ -static void -assign_widgets_to_volunteers(devfs_handle_t xswitch, devfs_handle_t hubv) -{ - int curr_volunteer, num_volunteer; - xwidgetnum_t widgetnum; - xswitch_info_t xswitch_info; - xswitch_vol_t xvolinfo = NULL; - nasid_t nasid; - hubinfo_t hubinfo; - - hubinfo_get(hubv, &hubinfo); - nasid = hubinfo->h_nasid; - - xswitch_info = xswitch_info_get(xswitch); - ASSERT(xswitch_info != NULL); - - (void)hwgraph_info_get_LBL(xswitch, - INFO_LBL_XSWITCH_VOL, - (arbitrary_info_t *)&xvolinfo); - if (xvolinfo == NULL) { -#ifdef LATER - if (!is_headless_node_vertex(hubv)) { -#if defined(SUPPORT_PRINTING_V_FORMAT) - printk(KERN_WARNING "assign_widgets_to_volunteers:vertex %v has " - " no info label", - xswitch); -#else - printk(KERN_WARNING "assign_widgets_to_volunteers:vertex 0x%x has " - " no info label", - xswitch); -#endif - } -#endif /* LATER */ - return; - } - - num_volunteer = xvolinfo->xswitch_volunteer_count; - ASSERT(num_volunteer > 0); - curr_volunteer = 0; - - /* Assign master hub for xswitch itself. */ - if (HUB_WIDGET_ID_MIN > 0) { - hubv = xvolinfo->xswitch_volunteer[0]; - xswitch_info_master_assignment_set(xswitch_info, (xwidgetnum_t)0, hubv); - } - - /* - * TBD: Use administrative information to alter assignment of - * widgets to hubs. - */ - for (widgetnum=HUB_WIDGET_ID_MIN; widgetnum <= HUB_WIDGET_ID_MAX; widgetnum++) { - - /* - * Ignore disabled/empty ports. - */ - if (!xbow_port_io_enabled(nasid, widgetnum)) - continue; - - /* - * If this is the master IO board, assign it to the same - * hub that owned it in the prom. - */ - if (is_master_nasid_widget(nasid, widgetnum)) { - int i; - - for (i=0; i<num_volunteer; i++) { - hubv = xvolinfo->xswitch_volunteer[i]; - hubinfo_get(hubv, &hubinfo); - nasid = hubinfo->h_nasid; - if (nasid == get_console_nasid()) - goto do_assignment; - } -#ifdef LATER - PRINT_PANIC("Nasid == %d, console nasid == %d", - nasid, get_console_nasid()); -#endif - } - - - /* - * Do a round-robin assignment among the volunteer nodes. - */ - hubv = xvolinfo->xswitch_volunteer[curr_volunteer]; - curr_volunteer = (curr_volunteer + 1) % num_volunteer; - /* fall through */ - -do_assignment: - /* - * At this point, we want to make hubv the master of widgetnum. - */ - xswitch_info_master_assignment_set(xswitch_info, widgetnum, hubv); - } - - xswitch_volunteer_delete(xswitch); -} - -/* - * Early iograph initialization. Called by master CPU in mlreset(). - * Useful for including iograph.o in kernel.o. - */ -void -iograph_early_init(void) -{ -/* - * Need new way to get this information .. - */ - cnodeid_t cnode; - nasid_t nasid; - lboard_t *board; - - /* - * Init. the board-to-hwgraph link early, so FRU analyzer - * doesn't trip on leftover values if we panic early on. - */ - for(cnode = 0; cnode < numnodes; cnode++) { - nasid = COMPACT_TO_NASID_NODEID(cnode); - board = (lboard_t *)KL_CONFIG_INFO(nasid); - DBG("iograph_early_init: Found board 0x%p\n", board); - - /* Check out all the board info stored on a node */ - while(board) { - board->brd_graph_link = GRAPH_VERTEX_NONE; - board = KLCF_NEXT(board); - DBG("iograph_early_init: Found board 0x%p\n", board); - - - } - } - - hubio_init(); -} - -#ifdef LINUX_KERNEL_THREADS -static struct semaphore io_init_sema; -#endif - -/* - * Let boot processor know that we're done initializing our node's IO - * and then exit. - */ -/* ARGSUSED */ -static void -io_init_done(cnodeid_t cnodeid,cpu_cookie_t c) -{ - /* Let boot processor know that we're done. */ -#ifdef LINUX_KERNEL_THREADS - up(&io_init_sema); -#endif -#ifdef LATER - /* This is for the setnoderun done when the io_init thread - * started - */ - restorenoderun(c); - sthread_exit(); -#endif -} - -/* - * Probe to see if this hub's xtalk link is active. If so, - * return the Crosstalk Identification of the widget that we talk to. - * This is called before any of the Crosstalk infrastructure for - * this hub is set up. It's usually called on the node that we're - * probing, but not always. - * - * TBD: Prom code should actually do this work, and pass through - * hwid for our use. - */ -static void -early_probe_for_widget(devfs_handle_t hubv, xwidget_hwid_t hwid) -{ - hubreg_t llp_csr_reg; - nasid_t nasid; - hubinfo_t hubinfo; - - hubinfo_get(hubv, &hubinfo); - nasid = hubinfo->h_nasid; - - llp_csr_reg = REMOTE_HUB_L(nasid, IIO_LLP_CSR); - /* - * If link is up, read the widget's part number. - * A direct connect widget must respond to widgetnum=0. - */ - if (llp_csr_reg & IIO_LLP_CSR_IS_UP) { - /* TBD: Put hub into "indirect" mode */ - /* - * We're able to read from a widget because our hub's - * WIDGET_ID was set up earlier. - */ - widgetreg_t widget_id = *(volatile widgetreg_t *) - (RAW_NODE_SWIN_BASE(nasid, 0x0) + WIDGET_ID); - - DBG("early_probe_for_widget: Hub Vertex 0x%p is UP widget_id = 0x%x Register 0x%p\n", hubv, widget_id, - (volatile widgetreg_t *)(RAW_NODE_SWIN_BASE(nasid, 0x0) + WIDGET_ID) ); - - hwid->part_num = XWIDGET_PART_NUM(widget_id); - hwid->rev_num = XWIDGET_REV_NUM(widget_id); - hwid->mfg_num = XWIDGET_MFG_NUM(widget_id); - - /* TBD: link reset */ - } else { - - hwid->part_num = XWIDGET_PART_NUM_NONE; - hwid->rev_num = XWIDGET_REV_NUM_NONE; - hwid->mfg_num = XWIDGET_MFG_NUM_NONE; - } - -} - -/* Add inventory information to the widget vertex - * Right now (module,slot,revision) is being - * added as inventory information. - */ -static void -xwidget_inventory_add(devfs_handle_t widgetv, - lboard_t *board, - struct xwidget_hwid_s hwid) -{ - if (!board) - return; - /* Donot add inventory information for the baseio - * on a speedo with an xbox. It has already been - * taken care of in SN00_vmc. - * Speedo with xbox's baseio comes in at slot io1 (widget 9) - */ - device_inventory_add(widgetv,INV_IOBD,board->brd_type, - board->brd_module, - SLOTNUM_GETSLOT(board->brd_slot), - hwid.rev_num); -} - -/* - * io_xswitch_widget_init - * - */ - -/* defined in include/linux/ctype.h */ -/* #define toupper(c) (islower(c) ? (c) - 'a' + 'A' : (c)) */ - -void -io_xswitch_widget_init(devfs_handle_t xswitchv, - devfs_handle_t hubv, - xwidgetnum_t widgetnum, - async_attach_t aa) -{ - xswitch_info_t xswitch_info; - xwidgetnum_t hub_widgetid; - devfs_handle_t widgetv; - cnodeid_t cnode; - widgetreg_t widget_id; - nasid_t nasid, peer_nasid; - struct xwidget_hwid_s hwid; - hubinfo_t hubinfo; - /*REFERENCED*/ - int rc; - char slotname[SLOTNUM_MAXLENGTH]; - char pathname[128]; - char new_name[64]; - moduleid_t module; - slotid_t slot; - lboard_t *board = NULL; - char buffer[16]; - slotid_t get_widget_slotnum(int xbow, int widget); - - DBG("\nio_xswitch_widget_init: hubv 0x%p, xswitchv 0x%p, widgetnum 0x%x\n", hubv, xswitchv, widgetnum); - /* - * Verify that xswitchv is indeed an attached xswitch. - */ - xswitch_info = xswitch_info_get(xswitchv); - ASSERT(xswitch_info != NULL); - - hubinfo_get(hubv, &hubinfo); - nasid = hubinfo->h_nasid; - cnode = NASID_TO_COMPACT_NODEID(nasid); - hub_widgetid = hubinfo->h_widgetid; - - - /* Who's the other guy on out crossbow (if anyone) */ - peer_nasid = NODEPDA(cnode)->xbow_peer; - if (peer_nasid == INVALID_NASID) - /* If I don't have a peer, use myself. */ - peer_nasid = nasid; - - - /* Check my xbow structure and my peer's */ - if (!xbow_port_io_enabled(nasid, widgetnum) && - !xbow_port_io_enabled(peer_nasid, widgetnum)) { - return; - } - - if (xswitch_info_link_ok(xswitch_info, widgetnum)) { - char name[4]; - /* - * If the current hub is not supposed to be the master - * for this widgetnum, then skip this widget. - */ - if (xswitch_info_master_assignment_get(xswitch_info, - widgetnum) != hubv) { - return; - } - - module = NODEPDA(cnode)->module_id; -#ifdef XBRIDGE_REGS_SIM - /* hardwire for now...could do this with something like: - * xbow_soft_t soft = hwgraph_fastinfo_get(vhdl); - * xbow_t xbow = soft->base; - * xbowreg_t xwidget_id = xbow->xb_wid_id; - * but I don't feel like figuring out vhdl right now.. - * and I know for a fact the answer is 0x2d000049 - */ - DBG("io_xswitch_widget_init: XBRIDGE_REGS_SIM FIXME: reading xwidget id: hardwired to xbridge (0x2d000049).\n"); - DBG("XWIDGET_PART_NUM(0x2d000049)= 0x%x\n", XWIDGET_PART_NUM(0x2d000049)); - if (XWIDGET_PART_NUM(0x2d000049)==XXBOW_WIDGET_PART_NUM) { -#else - if (nasid_has_xbridge(nasid)) { -#endif /* XBRIDGE_REGS_SIM */ - board = find_lboard_module_class( - (lboard_t *)KL_CONFIG_INFO(nasid), - module, - KLTYPE_IOBRICK); - -DBG("io_xswitch_widget_init: Board 0x%p\n", board); -{ - lboard_t dummy; - - - if (board) { - DBG("io_xswitch_widget_init: Found KLTYPE_IOBRICK Board 0x%p brd_type 0x%x\n", board, board->brd_type); - } else { - DBG("io_xswitch_widget_init: FIXME did not find IOBOARD\n"); - board = &dummy; - } - -} - - /* - * Make sure we really want to say xbrick, pbrick, - * etc. rather than XIO, graphics, etc. - */ - -#ifdef SUPPORT_PRINTING_M_FORMAT - sprintf(pathname, EDGE_LBL_MODULE "/%M/" - "%cbrick" "/%s/%d", - NODEPDA(cnode)->module_id, - -#else - memset(buffer, 0, 16); - format_module_id(buffer, NODEPDA(cnode)->module_id, MODULE_FORMAT_BRIEF); - sprintf(pathname, EDGE_LBL_MODULE "/%s/" - "%cbrick" "/%s/%d", - buffer, -#endif - - (board->brd_type == KLTYPE_IBRICK) ? 'I' : - (board->brd_type == KLTYPE_PBRICK) ? 'P' : - (board->brd_type == KLTYPE_XBRICK) ? 'X' : '?', - EDGE_LBL_XTALK, widgetnum); - } - - DBG("io_xswitch_widget_init: path= %s\n", pathname); - rc = hwgraph_path_add(hwgraph_root, pathname, &widgetv); - - ASSERT(rc == GRAPH_SUCCESS); - - /* This is needed to let the user programs to map the - * module,slot numbers to the corresponding widget numbers - * on the crossbow. - */ - rc = device_master_set(hwgraph_connectpt_get(widgetv), hubv); - - /* If we are looking at the global master io6 - * then add information about the version of - * the io6prom as a part of "detailed inventory" - * information. - */ - if (is_master_baseio(nasid, - NODEPDA(cnode)->module_id, - get_widget_slotnum(0,widgetnum))) { - extern void klhwg_baseio_inventory_add(devfs_handle_t, - cnodeid_t); - module = NODEPDA(cnode)->module_id; - -#ifdef XBRIDGE_REGS_SIM - DBG("io_xswitch_widget_init: XBRIDGE_REGS_SIM FIXME: reading xwidget id: hardwired to xbridge (0x2d000049).\n"); - if (XWIDGET_PART_NUM(0x2d000049)==XXBOW_WIDGET_PART_NUM) { -#else - if (nasid_has_xbridge(nasid)) { -#endif /* XBRIDGE_REGS_SIM */ - board = find_lboard_module( - (lboard_t *)KL_CONFIG_INFO(nasid), - module); - /* - * Change iobrick to correct i/o brick - */ -#ifdef SUPPORT_PRINTING_M_FORMAT - sprintf(pathname, EDGE_LBL_MODULE "/%M/" -#else - sprintf(pathname, EDGE_LBL_MODULE "/%x/" -#endif - "iobrick" "/%s/%d", - NODEPDA(cnode)->module_id, - EDGE_LBL_XTALK, widgetnum); - } else { - slot = get_widget_slotnum(0, widgetnum); - board = get_board_name(nasid, module, slot, - new_name); - /* - * Create the vertex for the widget, - * using the decimal - * widgetnum as the name of the primary edge. - */ -#ifdef SUPPORT_PRINTING_M_FORMAT - sprintf(pathname, EDGE_LBL_MODULE "/%M/" - EDGE_LBL_SLOT "/%s/%s", - NODEPDA(cnode)->module_id, - slotname, new_name); -#else - memset(buffer, 0, 16); - format_module_id(buffer, NODEPDA(cnode)->module_id, MODULE_FORMAT_BRIEF); - sprintf(pathname, EDGE_LBL_MODULE "/%s/" - EDGE_LBL_SLOT "/%s/%s", - buffer, - slotname, new_name); -#endif - } - - rc = hwgraph_path_add(hwgraph_root, pathname, &widgetv); - DBG("io_xswitch_widget_init: (2) path= %s\n", pathname); - /* - * This is a weird ass code needed for error injection - * purposes. - */ - rc = device_master_set(hwgraph_connectpt_get(widgetv), hubv); - - klhwg_baseio_inventory_add(widgetv,cnode); - } - sprintf(name, "%d", widgetnum); - DBG("io_xswitch_widget_init: FIXME hwgraph_edge_add %s xswitchv 0x%p, widgetv 0x%p\n", name, xswitchv, widgetv); - rc = hwgraph_edge_add(xswitchv, widgetv, name); - - /* - * crosstalk switch code tracks which - * widget is attached to each link. - */ - xswitch_info_vhdl_set(xswitch_info, widgetnum, widgetv); - - /* - * Peek at the widget to get its crosstalk part and - * mfgr numbers, then present it to the generic xtalk - * bus provider to have its driver attach routine - * called (or not). - */ -#ifdef XBRIDGE_REGS_SIM - widget_id = 0x2d000049; - DBG("io_xswitch_widget_init: XBRIDGE_REGS_SIM FIXME: id hardwired to widget_id\n"); -#else - widget_id = XWIDGET_ID_READ(nasid, widgetnum); -#endif /* XBRIDGE_REGS_SIM */ - hwid.part_num = XWIDGET_PART_NUM(widget_id); - hwid.rev_num = XWIDGET_REV_NUM(widget_id); - hwid.mfg_num = XWIDGET_MFG_NUM(widget_id); - /* Store some inventory information about - * the xwidget in the hardware graph. - */ - xwidget_inventory_add(widgetv,board,hwid); - - (void)xwidget_register(&hwid, widgetv, widgetnum, - hubv, hub_widgetid, - aa); - -#ifdef SN0_USE_BTE - bte_bpush_war(cnode, (void *)board); -#endif - } - -} - - -static void -io_init_xswitch_widgets(devfs_handle_t xswitchv, cnodeid_t cnode) -{ - xwidgetnum_t widgetnum; - async_attach_t aa; - - aa = async_attach_new(); - - DBG("io_init_xswitch_widgets: xswitchv 0x%p for cnode %d\n", xswitchv, cnode); - - for (widgetnum = HUB_WIDGET_ID_MIN; widgetnum <= HUB_WIDGET_ID_MAX; - widgetnum++) { - io_xswitch_widget_init(xswitchv, - cnodeid_to_vertex(cnode), - widgetnum, aa); - } - /* - * Wait for parallel attach threads, if any, to complete. - */ - async_attach_waitall(aa); - async_attach_free(aa); -} - -/* - * For each PCI bridge connected to the xswitch, add a link from the - * board's klconfig info to the bridge's hwgraph vertex. This lets - * the FRU analyzer find the bridge without traversing the hardware - * graph and risking hangs. - */ -static void -io_link_xswitch_widgets(devfs_handle_t xswitchv, cnodeid_t cnodeid) -{ - xwidgetnum_t widgetnum; - char pathname[128]; - devfs_handle_t vhdl; - nasid_t nasid, peer_nasid; - lboard_t *board; - - - - /* And its connected hub's nasids */ - nasid = COMPACT_TO_NASID_NODEID(cnodeid); - peer_nasid = NODEPDA(cnodeid)->xbow_peer; - - /* - * Look for paths matching "<widgetnum>/pci" under xswitchv. - * For every widget, init. its lboard's hwgraph link. If the - * board has a PCI bridge, point the link to it. - */ - for (widgetnum = HUB_WIDGET_ID_MIN; widgetnum <= HUB_WIDGET_ID_MAX; - widgetnum++) { - sprintf(pathname, "%d", widgetnum); - if (hwgraph_traverse(xswitchv, pathname, &vhdl) != - GRAPH_SUCCESS) - continue; - - board = find_lboard_module((lboard_t *)KL_CONFIG_INFO(nasid), - NODEPDA(cnodeid)->module_id); - if (board == NULL && peer_nasid != INVALID_NASID) { - /* - * Try to find the board on our peer - */ - board = find_lboard_module( - (lboard_t *)KL_CONFIG_INFO(peer_nasid), - NODEPDA(cnodeid)->module_id); - } - if (board == NULL) { -#if defined(SUPPORT_PRINTING_V_FORMAT) - printk(KERN_WARNING "Could not find PROM info for vertex %v, " - "FRU analyzer may fail", - vhdl); -#else - printk(KERN_WARNING "Could not find PROM info for vertex 0x%p, " - "FRU analyzer may fail", - (void *)vhdl); -#endif - return; - } - - sprintf(pathname, "%d/"EDGE_LBL_PCI, widgetnum); - if (hwgraph_traverse(xswitchv, pathname, &vhdl) == - GRAPH_SUCCESS) - board->brd_graph_link = vhdl; - else - board->brd_graph_link = GRAPH_VERTEX_NONE; - } -} - -/* - * Initialize all I/O on the specified node. - */ -static void -io_init_node(cnodeid_t cnodeid) -{ - /*REFERENCED*/ - devfs_handle_t hubv, switchv, widgetv; - struct xwidget_hwid_s hwid; - hubinfo_t hubinfo; - int is_xswitch; - nodepda_t *npdap; - struct semaphore *peer_sema = 0; - uint32_t widget_partnum; - nodepda_router_info_t *npda_rip; - cpu_cookie_t c = 0; - extern int hubdev_docallouts(devfs_handle_t); - -#ifdef LATER - /* Try to execute on the node that we're initializing. */ - c = setnoderun(cnodeid); -#endif - npdap = NODEPDA(cnodeid); - - /* - * Get the "top" vertex for this node's hardware - * graph; it will carry the per-hub hub-specific - * data, and act as the crosstalk provider master. - * It's canonical path is probably something of the - * form /hw/module/%M/slot/%d/node - */ - hubv = cnodeid_to_vertex(cnodeid); - DBG("io_init_node: Initialize IO for cnode %d hubv(node) 0x%p npdap 0x%p\n", cnodeid, hubv, npdap); - - ASSERT(hubv != GRAPH_VERTEX_NONE); - - hubdev_docallouts(hubv); - - /* - * Set up the dependent routers if we have any. - */ - npda_rip = npdap->npda_rip_first; - - while(npda_rip) { - /* If the router info has not been initialized - * then we need to do the router initialization - */ - if (!npda_rip->router_infop) { - router_init(cnodeid,0,npda_rip); - } - npda_rip = npda_rip->router_next; - } - - /* - * Read mfg info on this hub - */ -#ifdef LATER - printk("io_init_node: FIXME need to implement HUB_VERTEX_MFG_INFO\n"); - HUB_VERTEX_MFG_INFO(hubv); -#endif /* LATER */ - - /* - * If nothing connected to this hub's xtalk port, we're done. - */ - early_probe_for_widget(hubv, &hwid); - if (hwid.part_num == XWIDGET_PART_NUM_NONE) { -#ifdef PROBE_TEST - if ((cnodeid == 1) || (cnodeid == 2)) { - int index; - - for (index = 0; index < 600; index++) - DBG("Interfering with device probing!!!\n"); - } -#endif - /* io_init_done takes cpu cookie as 2nd argument - * to do a restorenoderun for the setnoderun done - * at the start of this thread - */ - - DBG("**** io_init_node: Node's 0x%p hub widget has XWIDGET_PART_NUM_NONE ****\n", hubv); - return; - /* NOTREACHED */ - } - - /* - * attach our hub_provider information to hubv, - * so we can use it as a crosstalk provider "master" - * vertex. - */ - xtalk_provider_register(hubv, &hub_provider); - xtalk_provider_startup(hubv); - - /* - * Create a vertex to represent the crosstalk bus - * attached to this hub, and a vertex to be used - * as the connect point for whatever is out there - * on the other side of our crosstalk connection. - * - * Crosstalk Switch drivers "climb up" from their - * connection point to try and take over the switch - * point. - * - * Of course, the edges and verticies may already - * exist, in which case our net effect is just to - * associate the "xtalk_" driver with the connection - * point for the device. - */ - - (void)hwgraph_path_add(hubv, EDGE_LBL_XTALK, &switchv); - - DBG("io_init_node: Created 'xtalk' entry to '../node/' xtalk vertex 0x%p\n", switchv); - - ASSERT(switchv != GRAPH_VERTEX_NONE); - - (void)hwgraph_edge_add(hubv, switchv, EDGE_LBL_IO); - - DBG("io_init_node: Created symlink 'io' from ../node/io to ../node/xtalk \n"); - - /* - * We need to find the widget id and update the basew_id field - * accordingly. In particular, SN00 has direct connected bridge, - * and hence widget id is Not 0. - */ - - widget_partnum = (((*(volatile int32_t *)(NODE_SWIN_BASE(COMPACT_TO_NASID_NODEID(cnodeid), 0) + WIDGET_ID))) & WIDGET_PART_NUM) >> WIDGET_PART_NUM_SHFT; - - if (widget_partnum == BRIDGE_WIDGET_PART_NUM || - widget_partnum == XBRIDGE_WIDGET_PART_NUM){ - npdap->basew_id = (((*(volatile int32_t *)(NODE_SWIN_BASE(COMPACT_TO_NASID_NODEID(cnodeid), 0) + BRIDGE_WID_CONTROL))) & WIDGET_WIDGET_ID); - - DBG("io_init_node: Found XBRIDGE widget_partnum= 0x%x\n", widget_partnum); - - } else if (widget_partnum == XBOW_WIDGET_PART_NUM || - widget_partnum == XXBOW_WIDGET_PART_NUM) { - /* - * Xbow control register does not have the widget ID field. - * So, hard code the widget ID to be zero. - */ - DBG("io_init_node: Found XBOW widget_partnum= 0x%x\n", widget_partnum); - npdap->basew_id = 0; - - } else if (widget_partnum == XG_WIDGET_PART_NUM) { - /* - * OK, WTF do we do here if we have an XG direct connected to a HUB/Bedrock??? - * So, hard code the widget ID to be zero? - */ - npdap->basew_id = 0; - npdap->basew_id = (((*(volatile int32_t *)(NODE_SWIN_BASE(COMPACT_TO_NASID_NODEID(cnodeid), 0) + BRIDGE_WID_CONTROL))) & WIDGET_WIDGET_ID); - } else { - npdap->basew_id = (((*(volatile int32_t *)(NODE_SWIN_BASE(COMPACT_TO_NASID_NODEID(cnodeid), 0) + BRIDGE_WID_CONTROL))) & WIDGET_WIDGET_ID); - - panic(" ****io_init_node: Unknown Widget Part Number 0x%x Widgt ID 0x%x attached to Hubv 0x%p ****\n", widget_partnum, npdap->basew_id, (void *)hubv); - - /*NOTREACHED*/ - } - { - char widname[10]; - sprintf(widname, "%x", npdap->basew_id); - (void)hwgraph_path_add(switchv, widname, &widgetv); - DBG("io_init_node: Created '%s' to '..node/xtalk/' vertex 0x%p\n", widname, widgetv); - ASSERT(widgetv != GRAPH_VERTEX_NONE); - } - - nodepda->basew_xc = widgetv; - - is_xswitch = xwidget_hwid_is_xswitch(&hwid); - - /* - * Try to become the master of the widget. If this is an xswitch - * with multiple hubs connected, only one will succeed. Mastership - * of an xswitch is used only when touching registers on that xswitch. - * The slave xwidgets connected to the xswitch can be owned by various - * masters. - */ - if (device_master_set(widgetv, hubv) == 0) { - - /* Only one hub (thread) per Crosstalk device or switch makes - * it to here. - */ - - /* - * Initialize whatever xwidget is hanging off our hub. - * Whatever it is, it's accessible through widgetnum 0. - */ - hubinfo_get(hubv, &hubinfo); - - (void)xwidget_register(&hwid, widgetv, npdap->basew_id, hubv, hubinfo->h_widgetid, NULL); - - if (!is_xswitch) { - /* io_init_done takes cpu cookie as 2nd argument - * to do a restorenoderun for the setnoderun done - * at the start of this thread - */ - io_init_done(cnodeid,c); - /* NOTREACHED */ - } - - /* - * Special handling for Crosstalk Switches (e.g. xbow). - * We need to do things in roughly the following order: - * 1) Initialize xswitch hardware (done above) - * 2) Determine which hubs are available to be widget masters - * 3) Discover which links are active from the xswitch - * 4) Assign xwidgets hanging off the xswitch to hubs - * 5) Initialize all xwidgets on the xswitch - */ - - volunteer_for_widgets(switchv, hubv); - - /* If there's someone else on this crossbow, recognize him */ - if (npdap->xbow_peer != INVALID_NASID) { - nodepda_t *peer_npdap = NODEPDA(NASID_TO_COMPACT_NODEID(npdap->xbow_peer)); - peer_sema = &peer_npdap->xbow_sema; - volunteer_for_widgets(switchv, peer_npdap->node_vertex); - } - - assign_widgets_to_volunteers(switchv, hubv); - - /* Signal that we're done */ - if (peer_sema) { - mutex_unlock(peer_sema); - } - - } - else { - /* Wait 'til master is done assigning widgets. */ - mutex_lock(&npdap->xbow_sema); - } - -#ifdef PROBE_TEST - if ((cnodeid == 1) || (cnodeid == 2)) { - int index; - - for (index = 0; index < 500; index++) - DBG("Interfering with device probing!!!\n"); - } -#endif - /* Now both nodes can safely inititialize widgets */ - io_init_xswitch_widgets(switchv, cnodeid); - io_link_xswitch_widgets(switchv, cnodeid); - - /* io_init_done takes cpu cookie as 2nd argument - * to do a restorenoderun for the setnoderun done - * at the start of this thread - */ - io_init_done(cnodeid,c); - - DBG("\nio_init_node: DONE INITIALIZED ALL I/O FOR CNODEID %d\n\n", cnodeid); -} - - -#define IOINIT_STKSZ (16 * 1024) - -#define __DEVSTR1 "/../.master/" -#define __DEVSTR2 "/target/" -#define __DEVSTR3 "/lun/0/disk/partition/" -#define __DEVSTR4 "/../ef" - -#if defined(CONFIG_IA64_SGI_SN1) -/* - * Currently, we need to allow for 5 IBrick slots with 1 FC each - * plus an internal 1394. - * - * ioconfig starts numbering SCSI's at NUM_BASE_IO_SCSI_CTLR. - */ -#define NUM_BASE_IO_SCSI_CTLR 6 -#else -#define NUM_BASE_IO_SCSI_CTLR 6 -#endif -/* - * This tells ioconfig where it can start numbering scsi controllers. - * Below this base number, platform-specific handles the numbering. - * XXX Irix legacy..controller numbering should be part of devfsd's job - */ -int num_base_io_scsi_ctlr = 2; /* used by syssgi */ -devfs_handle_t base_io_scsi_ctlr_vhdl[NUM_BASE_IO_SCSI_CTLR]; -static devfs_handle_t baseio_enet_vhdl,baseio_console_vhdl; - -/* - * Put the logical controller number information in the - * scsi controller vertices for each scsi controller that - * is in a "fixed position". - */ -static void -scsi_ctlr_nums_add(devfs_handle_t pci_vhdl) -{ - { - int i; - - num_base_io_scsi_ctlr = NUM_BASE_IO_SCSI_CTLR; - - /* Initialize base_io_scsi_ctlr_vhdl array */ - for (i=0; i<NUM_BASE_IO_SCSI_CTLR; i++) - base_io_scsi_ctlr_vhdl[i] = GRAPH_VERTEX_NONE; - } - { - /* - * May want to consider changing the SN0 code, above, to work more like - * the way this works. - */ - devfs_handle_t base_ibrick_xbridge_vhdl; - devfs_handle_t base_ibrick_xtalk_widget_vhdl; - devfs_handle_t scsi_ctlr_vhdl; - int i; - graph_error_t rv; - - /* - * This is a table of "well-known" SCSI controllers and their well-known - * controller numbers. The names in the table start from the base IBrick's - * Xbridge vertex, so the first component is the xtalk widget number. - */ - static struct { - char *base_ibrick_scsi_path; - int controller_number; - } hardwired_scsi_controllers[] = { - {"15/" EDGE_LBL_PCI "/1/" EDGE_LBL_SCSI_CTLR "/0", 0}, - {"15/" EDGE_LBL_PCI "/2/" EDGE_LBL_SCSI_CTLR "/0", 1}, - {"15/" EDGE_LBL_PCI "/3/" EDGE_LBL_SCSI_CTLR "/0", 2}, - {"14/" EDGE_LBL_PCI "/1/" EDGE_LBL_SCSI_CTLR "/0", 3}, - {"14/" EDGE_LBL_PCI "/2/" EDGE_LBL_SCSI_CTLR "/0", 4}, - {"15/" EDGE_LBL_PCI "/6/ohci/0/" EDGE_LBL_SCSI_CTLR "/0", 5}, - {NULL, -1} /* must be last */ - }; - - base_ibrick_xtalk_widget_vhdl = hwgraph_connectpt_get(pci_vhdl); - ASSERT_ALWAYS(base_ibrick_xtalk_widget_vhdl != GRAPH_VERTEX_NONE); - - base_ibrick_xbridge_vhdl = hwgraph_connectpt_get(base_ibrick_xtalk_widget_vhdl); - ASSERT_ALWAYS(base_ibrick_xbridge_vhdl != GRAPH_VERTEX_NONE); - hwgraph_vertex_unref(base_ibrick_xtalk_widget_vhdl); - - /* - * Iterate through the list of well-known SCSI controllers. - * For each controller found, set it's controller number according - * to the table. - */ - for (i=0; hardwired_scsi_controllers[i].base_ibrick_scsi_path != NULL; i++) { - rv = hwgraph_path_lookup(base_ibrick_xbridge_vhdl, - hardwired_scsi_controllers[i].base_ibrick_scsi_path, &scsi_ctlr_vhdl, NULL); - - if (rv != GRAPH_SUCCESS) /* No SCSI at this path */ - continue; - - ASSERT(hardwired_scsi_controllers[i].controller_number < NUM_BASE_IO_SCSI_CTLR); - base_io_scsi_ctlr_vhdl[hardwired_scsi_controllers[i].controller_number] = scsi_ctlr_vhdl; - device_controller_num_set(scsi_ctlr_vhdl, hardwired_scsi_controllers[i].controller_number); - hwgraph_vertex_unref(scsi_ctlr_vhdl); /* (even though we're actually keeping a reference) */ - } - - hwgraph_vertex_unref(base_ibrick_xbridge_vhdl); - } -} - - -#include <asm/sn/ioerror_handling.h> -devfs_handle_t sys_critical_graph_root = GRAPH_VERTEX_NONE; - -/* Define the system critical vertices and connect them through - * a canonical parent-child relationships for easy traversal - * during io error handling. - */ -static void -sys_critical_graph_init(void) -{ - devfs_handle_t bridge_vhdl,master_node_vhdl; - devfs_handle_t xbow_vhdl = GRAPH_VERTEX_NONE; - extern devfs_handle_t hwgraph_root; - devfs_handle_t pci_slot_conn; - int slot; - devfs_handle_t baseio_console_conn; - - DBG("sys_critical_graph_init: FIXME.\n"); - baseio_console_conn = hwgraph_connectpt_get(baseio_console_vhdl); - - if (baseio_console_conn == NULL) { - return; - } - - /* Get the vertex handle for the baseio bridge */ - bridge_vhdl = device_master_get(baseio_console_conn); - - /* Get the master node of the baseio card */ - master_node_vhdl = cnodeid_to_vertex( - master_node_get(baseio_console_vhdl)); - - /* Add the "root->node" part of the system critical graph */ - - sys_critical_graph_vertex_add(hwgraph_root,master_node_vhdl); - - /* Check if we have a crossbow */ - if (hwgraph_traverse(master_node_vhdl, - EDGE_LBL_XTALK"/0", - &xbow_vhdl) == GRAPH_SUCCESS) { - /* We have a crossbow.Add "node->xbow" part of the system - * critical graph. - */ - sys_critical_graph_vertex_add(master_node_vhdl,xbow_vhdl); - - /* Add "xbow->baseio bridge" of the system critical graph */ - sys_critical_graph_vertex_add(xbow_vhdl,bridge_vhdl); - - hwgraph_vertex_unref(xbow_vhdl); - } else - /* We donot have a crossbow. Add "node->baseio_bridge" - * part of the system critical graph. - */ - sys_critical_graph_vertex_add(master_node_vhdl,bridge_vhdl); - - /* Add all the populated PCI slot vertices to the system critical - * graph with the bridge vertex as the parent. - */ - for (slot = 0 ; slot < 8; slot++) { - char slot_edge[10]; - - sprintf(slot_edge,"%d",slot); - if (hwgraph_traverse(bridge_vhdl,slot_edge, &pci_slot_conn) - != GRAPH_SUCCESS) - continue; - sys_critical_graph_vertex_add(bridge_vhdl,pci_slot_conn); - hwgraph_vertex_unref(pci_slot_conn); - } - - hwgraph_vertex_unref(bridge_vhdl); - - /* Add the "ioc3 pci connection point -> console ioc3" part - * of the system critical graph - */ - - if (hwgraph_traverse(baseio_console_vhdl,"..",&pci_slot_conn) == - GRAPH_SUCCESS) { - sys_critical_graph_vertex_add(pci_slot_conn, - baseio_console_vhdl); - hwgraph_vertex_unref(pci_slot_conn); - } - - /* Add the "ethernet pci connection point -> base ethernet" part of - * the system critical graph - */ - if (hwgraph_traverse(baseio_enet_vhdl,"..",&pci_slot_conn) == - GRAPH_SUCCESS) { - sys_critical_graph_vertex_add(pci_slot_conn, - baseio_enet_vhdl); - hwgraph_vertex_unref(pci_slot_conn); - } - - /* Add the "scsi controller pci connection point -> base scsi - * controller" part of the system critical graph - */ - if (hwgraph_traverse(base_io_scsi_ctlr_vhdl[0], - "../..",&pci_slot_conn) == GRAPH_SUCCESS) { - sys_critical_graph_vertex_add(pci_slot_conn, - base_io_scsi_ctlr_vhdl[0]); - hwgraph_vertex_unref(pci_slot_conn); - } - if (hwgraph_traverse(base_io_scsi_ctlr_vhdl[1], - "../..",&pci_slot_conn) == GRAPH_SUCCESS) { - sys_critical_graph_vertex_add(pci_slot_conn, - base_io_scsi_ctlr_vhdl[1]); - hwgraph_vertex_unref(pci_slot_conn); - } - hwgraph_vertex_unref(baseio_console_conn); - -} - -static void -baseio_ctlr_num_set(void) -{ - char name[MAXDEVNAME]; - devfs_handle_t console_vhdl, pci_vhdl, enet_vhdl; - devfs_handle_t ioc3_console_vhdl_get(void); - - - DBG("baseio_ctlr_num_set; FIXME\n"); - console_vhdl = ioc3_console_vhdl_get(); - if (console_vhdl == GRAPH_VERTEX_NONE) - return; - /* Useful for setting up the system critical graph */ - baseio_console_vhdl = console_vhdl; - - vertex_to_name(console_vhdl,name,MAXDEVNAME); - - strcat(name,__DEVSTR1); - pci_vhdl = hwgraph_path_to_vertex(name); - scsi_ctlr_nums_add(pci_vhdl); - /* Unref the pci_vhdl due to the reference by hwgraph_path_to_vertex - */ - hwgraph_vertex_unref(pci_vhdl); - - vertex_to_name(console_vhdl, name, MAXDEVNAME); - strcat(name, __DEVSTR4); - enet_vhdl = hwgraph_path_to_vertex(name); - - /* Useful for setting up the system critical graph */ - baseio_enet_vhdl = enet_vhdl; - - device_controller_num_set(enet_vhdl, 0); - /* Unref the enet_vhdl due to the reference by hwgraph_path_to_vertex - */ - hwgraph_vertex_unref(enet_vhdl); -} -/* #endif */ - -void -sn00_rrb_alloc(devfs_handle_t vhdl, int *vendor_list) -{ - /* REFERENCED */ - int rtn_val; - - /* - ** sn00 population: errb orrb - ** 0- ql 3+? - ** 1- ql 2 - ** 2- ioc3 ethernet 2+? - ** 3- ioc3 secondary 1 - ** 4- 0 - ** 5- PCI slot - ** 6- PCI slot - ** 7- PCI slot - */ - - /* The following code implements this heuristic for getting - * maximum usage out of the rrbs - * - * constraints: - * 8 bit ql1 needs 1+1 - * ql0 or ql5,6,7 wants 1+2 - * ethernet wants 2 or more - * - * rules for even rrbs: - * if nothing in slot 6 - * 4 rrbs to 0 and 2 (0xc8889999) - * else - * 3 2 3 to slots 0 2 6 (0xc8899bbb) - * - * rules for odd rrbs - * if nothing in slot 5 or 7 (0xc8889999) - * 4 rrbs to 1 and 3 - * else if 1 thing in 5 or 7 (0xc8899aaa) or (0xc8899bbb) - * 3 2 3 to slots 1 3 5|7 - * else - * 2 1 3 2 to slots 1 3 5 7 (note: if there's a ql card in 7 this - * (0xc89aaabb) may short what it wants therefore the - * rule should be to plug pci slots in order) - */ - - - if (vendor_list[6] != PCIIO_VENDOR_ID_NONE) { - /* something in slot 6 */ - rtn_val = pcibr_alloc_all_rrbs(vhdl, 0, 3,1, 2,0, 0,0, 3,0); - } - else { - rtn_val = pcibr_alloc_all_rrbs(vhdl, 0, 4,1, 4,0, 0,0, 0,0); - } - if (rtn_val) - printk(KERN_WARNING "sn00_rrb_alloc: pcibr_alloc_all_rrbs failed"); - - if ((vendor_list[5] != PCIIO_VENDOR_ID_NONE) && - (vendor_list[7] != PCIIO_VENDOR_ID_NONE)) { - /* soemthing in slot 5 and 7 */ - rtn_val = pcibr_alloc_all_rrbs(vhdl, 1, 2,1, 1,0, 3,0, 2,0); - } - else if (vendor_list[5] != PCIIO_VENDOR_ID_NONE) { - /* soemthing in slot 5 but not 7 */ - rtn_val = pcibr_alloc_all_rrbs(vhdl, 1, 3,1, 2,0, 3,0, 0,0); - } - else if (vendor_list[7] != PCIIO_VENDOR_ID_NONE) { - /* soemthing in slot 7 but not 5 */ - rtn_val = pcibr_alloc_all_rrbs(vhdl, 1, 3,1, 2,0, 0,0, 3,0); - } - else { - /* nothing in slot 5 or 7 */ - rtn_val = pcibr_alloc_all_rrbs(vhdl, 1, 4,1, 4,0, 0,0, 0,0); - } - if (rtn_val) - printk(KERN_WARNING "sn00_rrb_alloc: pcibr_alloc_all_rrbs failed"); -} - - -/* - * Initialize all I/O devices. Starting closest to nodes, probe and - * initialize outward. - */ -void -init_all_devices(void) -{ - /* Governor on init threads..bump up when safe - * (beware many devfs races) - */ -#ifdef LATER - int io_init_node_threads = 2; -#endif - cnodeid_t cnodeid, active; - -#ifdef LINUX_KERNEL_THREADS - sema_init(&io_init_sema, 0); -#endif - - active = 0; - for (cnodeid = 0; cnodeid < numnodes; cnodeid++) { -#ifdef LINUX_KERNEL_THREADS - char thread_name[16]; - extern int io_init_pri; - - /* - * Spawn a service thread for each node to initialize all - * I/O on that node. Each thread attempts to bind itself - * to the node whose I/O it's initializing. - */ - sprintf(thread_name, "IO_init[%d]", cnodeid); - - (void)sthread_create(thread_name, 0, IOINIT_STKSZ, 0, - io_init_pri, KT_PS, (st_func_t *)io_init_node, - (void *)(long)cnodeid, 0, 0, 0); -#else - DBG("init_all_devices: Calling io_init_node() for cnode %d\n", cnodeid); - io_init_node(cnodeid); - - DBG("init_all_devices: Done io_init_node() for cnode %d\n", cnodeid); - -#endif /* LINUX_KERNEL_THREADS */ - -#ifdef LINUX_KERNEL_THREADS - /* Limit how many nodes go at once, to not overload hwgraph */ - /* TBD: Should timeout */ - DBG("started thread for cnode %d\n", cnodeid); - active++; - if (io_init_node_threads && - active >= io_init_node_threads) { - down(&io_init_sema); - active--; - } -#endif /* LINUX_KERNEL_THREADS */ - } - -#ifdef LINUX_KERNEL_THREADS - /* Wait until all IO_init threads are done */ - - while (active > 0) { -#ifdef AA_DEBUG - DBG("waiting, %d still active\n", active); -#endif - down(&io_init_sema); - active--; - } - -#endif /* LINUX_KERNEL_THREADS */ - - for (cnodeid = 0; cnodeid < numnodes; cnodeid++) - /* - * Update information generated by IO init. - */ - update_node_information(cnodeid); - - baseio_ctlr_num_set(); - /* Setup the system critical graph (which is a subgraph of the - * main hwgraph). This information is useful during io error - * handling. - */ - sys_critical_graph_init(); - -#if HWG_PRINT - hwgraph_print(); -#endif - -} - -#define toint(x) ((int)(x) - (int)('0')) - -void -devnamefromarcs(char *devnm) -{ - int val; - char tmpnm[MAXDEVNAME]; - char *tmp1, *tmp2; - - val = strncmp(devnm, "dks", 3); - if (val != 0) - return; - tmp1 = devnm + 3; - if (!isdigit(*tmp1)) - return; - - val = 0; - while (isdigit(*tmp1)) { - val = 10*val+toint(*tmp1); - tmp1++; - } - - if(*tmp1 != 'd') - return; - else - tmp1++; - - if ((val < 0) || (val >= NUM_BASE_IO_SCSI_CTLR)) { - int i; - int viable_found = 0; - - DBG("Only controller numbers 0..%d are supported for\n", NUM_BASE_IO_SCSI_CTLR-1); - DBG("prom \"root\" variables of the form dksXdXsX.\n"); - DBG("To use another disk you must use the full hardware graph path\n\n"); - DBG("Possible controller numbers for use in 'dksXdXsX' on this system: "); - for (i=0; i<NUM_BASE_IO_SCSI_CTLR; i++) { - if (base_io_scsi_ctlr_vhdl[i] != GRAPH_VERTEX_NONE) { - DBG("%d ", i); - viable_found=1; - } - } - if (viable_found) - DBG("\n"); - else - DBG("none found!\n"); - -#ifdef LATER - if (kdebug) - debug("ring"); -#endif - DELAY(15000000); - //prom_reboot(); - panic("FIXME: devnamefromarcs: should call prom_reboot here.\n"); - /* NOTREACHED */ - } - - ASSERT(base_io_scsi_ctlr_vhdl[val] != GRAPH_VERTEX_NONE); - vertex_to_name(base_io_scsi_ctlr_vhdl[val], - tmpnm, - MAXDEVNAME); - tmp2 = tmpnm + strlen(tmpnm); - strcpy(tmp2, __DEVSTR2); - tmp2 += strlen(__DEVSTR2); - while (*tmp1 != 's') { - if((*tmp2++ = *tmp1++) == '\0') - return; - } - tmp1++; - strcpy(tmp2, __DEVSTR3); - tmp2 += strlen(__DEVSTR3); - while ( (*tmp2++ = *tmp1++) ) - ; - tmp2--; - *tmp2++ = '/'; - strcpy(tmp2, EDGE_LBL_BLOCK); - strcpy(devnm,tmpnm); -} - -static -struct io_brick_map_s io_brick_tab[] = { - -/* Ibrick widget number to PCI bus number map */ - { - 'I', /* Ibrick type */ - /* PCI Bus # Widget # */ - { 0, 0, 0, 0, 0, 0, 0, 0, /* 0x0 - 0x7 */ - 0, /* 0x8 */ - 0, /* 0x9 */ - 0, 0, /* 0xa - 0xb */ - 0, /* 0xc */ - 0, /* 0xd */ - 2, /* 0xe */ - 1 /* 0xf */ - } - }, - -/* Pbrick widget number to PCI bus number map */ - { - 'P', /* Pbrick type */ - /* PCI Bus # Widget # */ - { 0, 0, 0, 0, 0, 0, 0, 0, /* 0x0 - 0x7 */ - 2, /* 0x8 */ - 1, /* 0x9 */ - 0, 0, /* 0xa - 0xb */ - 5, /* 0xc */ - 6, /* 0xd */ - 4, /* 0xe */ - 3 /* 0xf */ - } - }, - -/* Xbrick widget to XIO slot map */ - { - 'X', /* Xbrick type */ - /* XIO Slot # Widget # */ - { 0, 0, 0, 0, 0, 0, 0, 0, /* 0x0 - 0x7 */ - 1, /* 0x8 */ - 2, /* 0x9 */ - 0, 0, /* 0xa - 0xb */ - 3, /* 0xc */ - 4, /* 0xd */ - 0, /* 0xe */ - 0 /* 0xf */ - } - } -}; - -/* - * Use the brick's type to map a widget number to a meaningful int - */ -int -io_brick_map_widget(char brick_type, int widget_num) -{ - int num_bricks, i; - - /* Calculate number of bricks in table */ - num_bricks = sizeof(io_brick_tab)/sizeof(io_brick_tab[0]); - - /* Look for brick prefix in table */ - for (i = 0; i < num_bricks; i++) { - if (brick_type == io_brick_tab[i].ibm_type) - return(io_brick_tab[i].ibm_map_wid[widget_num]); - } - - return 0; - -} - -/* - * Use the device's vertex to map the device's widget to a meaningful int - */ -int -io_path_map_widget(devfs_handle_t vertex) -{ - char hw_path_name[MAXDEVNAME]; - char *wp, *bp, *sp = NULL; - int widget_num; - long atoi(char *); - int hwgraph_vertex_name_get(devfs_handle_t vhdl, char *buf, uint buflen); - - - /* Get the full path name of the vertex */ - if (GRAPH_SUCCESS != hwgraph_vertex_name_get(vertex, hw_path_name, - MAXDEVNAME)) - return 0; - - /* Find the widget number in the path name */ - wp = strstr(hw_path_name, "/"EDGE_LBL_XTALK"/"); - if (wp == NULL) - return 0; - widget_num = atoi(wp+7); - if (widget_num < XBOW_PORT_8 || widget_num > XBOW_PORT_F) - return 0; - - /* Find "brick" in the path name */ - bp = strstr(hw_path_name, "brick"); - if (bp == NULL) - return 0; - - /* Find preceding slash */ - sp = bp; - while (sp > hw_path_name) { - sp--; - if (*sp == '/') - break; - } - - /* Invalid if no preceding slash */ - if (!sp) - return 0; - - /* Bump slash pointer to "brick" prefix */ - sp++; - /* - * Verify "brick" prefix length; valid exaples: - * 'I' from "/Ibrick" - * 'P' from "/Pbrick" - * 'X' from "/Xbrick" - */ - if ((bp - sp) != 1) - return 0; - - return (io_brick_map_widget(*sp, widget_num)); - -} |