/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* plat_max_... decls */ #include #include #include #include #include #include #include #include extern void bcopy32_il(uint64_t, uint64_t); extern void flush_ecache_il( uint64_t physaddr, int size, int linesz); extern uint_t ldphysio_il(uint64_t physaddr); extern void stphysio_il(uint64_t physaddr, uint_t value); extern uint64_t mc_get_mem_alignment(void); extern uint64_t mc_get_asr_addr(pnode_t); extern uint64_t mc_get_idle_addr(pnode_t); extern uint64_t mc_get_alignment_mask(pnode_t); extern int mc_read_asr(pnode_t, uint_t *); extern int mc_write_asr(pnode_t, uint_t); extern uint64_t mc_asr_to_pa(uint_t); extern uint_t mc_pa_to_asr(uint_t, uint64_t); extern int pc_madr_add(int, int, int, int); typedef struct { struct drmach_node *node; void *data; } drmach_node_walk_args_t; typedef struct drmach_node { void *here; pnode_t (*get_dnode)(struct drmach_node *node); int (*walk)(struct drmach_node *node, void *data, int (*cb)(drmach_node_walk_args_t *args)); } drmach_node_t; typedef struct { int min_index; int max_index; int arr_sz; drmachid_t *arr; } drmach_array_t; typedef struct { void *isa; sbd_error_t *(*release)(drmachid_t); sbd_error_t *(*status)(drmachid_t, drmach_status_t *); char name[MAXNAMELEN]; } drmach_common_t; typedef struct { drmach_common_t cm; int bnum; int assigned; int powered; int connect_cpuid; int cond; drmach_node_t *tree; drmach_array_t *devices; } drmach_board_t; typedef struct { drmach_common_t cm; drmach_board_t *bp; int unum; int busy; int powered; const char *type; drmach_node_t *node; } drmach_device_t; typedef struct { int flags; drmach_device_t *dp; sbd_error_t *err; dev_info_t *dip; } drmach_config_args_t; typedef struct { uint64_t idle_addr; drmach_device_t *mem; } drmach_mc_idle_script_t; typedef struct { uint64_t masr_addr; uint_t masr; uint_t _filler; } drmach_rename_script_t; typedef struct { void (*run)(void *arg); caddr_t data; pda_handle_t *ph; struct memlist *c_ml; uint64_t s_copybasepa; uint64_t t_copybasepa; drmach_device_t *restless_mc; /* diagnostic output */ } drmach_copy_rename_program_t; typedef enum { DO_IDLE, DO_UNIDLE, DO_PAUSE, DO_UNPAUSE } drmach_iopc_op_t; typedef struct { drmach_board_t *obj; int ndevs; void *a; sbd_error_t *(*found)(void *a, const char *, int, drmachid_t); sbd_error_t *err; } drmach_board_cb_data_t; static caddr_t drmach_shutdown_va; static int drmach_initialized; static drmach_array_t *drmach_boards; static int drmach_cpu_delay = 100; static int drmach_cpu_ntries = 50000; volatile uchar_t *drmach_xt_mb; /* * Do not change the drmach_shutdown_mbox structure without * considering the drmach_shutdown_asm assembly language code. */ struct drmach_shutdown_mbox { uint64_t estack; uint64_t flushaddr; int size; int linesize; uint64_t physaddr; }; struct drmach_shutdown_mbox *drmach_shutdown_asm_mbox; static sbd_error_t *drmach_device_new(drmach_node_t *, drmach_board_t *, drmach_device_t **); static sbd_error_t *drmach_cpu_new(drmach_device_t *); static sbd_error_t *drmach_mem_new(drmach_device_t *); static sbd_error_t *drmach_io_new(drmach_device_t *); extern struct cpu *SIGBCPU; #ifdef DEBUG #define DRMACH_PR if (drmach_debug) printf int drmach_debug = 0; /* set to non-zero to enable debug messages */ #else #define DRMACH_PR _NOTE(CONSTANTCONDITION) if (0) printf #endif /* DEBUG */ #define DRMACH_OBJ(id) ((drmach_common_t *)id) #define DRMACH_IS_BOARD_ID(id) \ ((id != 0) && \ (DRMACH_OBJ(id)->isa == (void *)drmach_board_new)) #define DRMACH_IS_CPU_ID(id) \ ((id != 0) && \ (DRMACH_OBJ(id)->isa == (void *)drmach_cpu_new)) #define DRMACH_IS_MEM_ID(id) \ ((id != 0) && \ (DRMACH_OBJ(id)->isa == (void *)drmach_mem_new)) #define DRMACH_IS_IO_ID(id) \ ((id != 0) && \ (DRMACH_OBJ(id)->isa == (void *)drmach_io_new)) #define DRMACH_IS_DEVICE_ID(id) \ ((id != 0) && \ (DRMACH_OBJ(id)->isa == (void *)drmach_cpu_new || \ DRMACH_OBJ(id)->isa == (void *)drmach_mem_new || \ DRMACH_OBJ(id)->isa == (void *)drmach_io_new)) #define DRMACH_IS_ID(id) \ ((id != 0) && \ (DRMACH_OBJ(id)->isa == (void *)drmach_board_new || \ DRMACH_OBJ(id)->isa == (void *)drmach_cpu_new || \ DRMACH_OBJ(id)->isa == (void *)drmach_mem_new || \ DRMACH_OBJ(id)->isa == (void *)drmach_io_new)) #define DRMACH_CPUID2BNUM(cpuid) \ ((cpuid) / MAX_CPU_UNITS_PER_BOARD) #define DRMACH_INTERNAL_ERROR() \ drerr_new(1, ESTF_INTERNAL, drmach_ie_fmt, __LINE__) static char *drmach_ie_fmt = "drmach.c %d"; static struct { const char *name; const char *type; sbd_error_t *(*new)(drmach_device_t *); } name2type[] = { { "SUNW,UltraSPARC", DRMACH_DEVTYPE_CPU, drmach_cpu_new }, { "mem-unit", DRMACH_DEVTYPE_MEM, drmach_mem_new }, { "pci", DRMACH_DEVTYPE_PCI, drmach_io_new }, { "sbus", DRMACH_DEVTYPE_SBUS, drmach_io_new }, }; /* node types to cleanup when a board is unconfigured */ #define MISC_COUNTER_TIMER_DEVNAME "counter-timer" #define MISC_PERF_COUNTER_DEVNAME "perf-counter" /* utility */ #define MBYTE (1048576ull) /* * This is necessary because the CPU support needs * to call cvc_assign_iocpu. */ #ifndef lint static char _depends_on[] = "drv/cvc"; #endif /* lint */ /* * drmach autoconfiguration data structures and interfaces */ extern struct mod_ops mod_miscops; static struct modlmisc modlmisc = { &mod_miscops, "Sun Enterprise 10000 DR %I%" }; static struct modlinkage modlinkage = { MODREV_1, (void *)&modlmisc, NULL }; static kmutex_t drmach_i_lock; int _init(void) { int err; /* check that we have the correct version of obp */ if (prom_test("SUNW,UE10000,add-brd") != 0) { cmn_err(CE_WARN, "!OBP/SSP upgrade is required to enable " "DR Functionality"); return (-1); } mutex_init(&drmach_i_lock, NULL, MUTEX_DRIVER, NULL); drmach_xt_mb = (uchar_t *)vmem_alloc(static_alloc_arena, NCPU * sizeof (uchar_t), VM_SLEEP); drmach_shutdown_asm_mbox = (struct drmach_shutdown_mbox *) vmem_alloc(static_alloc_arena, sizeof (struct drmach_shutdown_mbox), VM_SLEEP); if ((err = mod_install(&modlinkage)) != 0) { mutex_destroy(&drmach_i_lock); vmem_free(static_alloc_arena, (void *)drmach_xt_mb, NCPU * sizeof (uchar_t)); vmem_free(static_alloc_arena, (void *)drmach_shutdown_asm_mbox, sizeof (struct drmach_shutdown_mbox)); } return (err); } int _fini(void) { static int drmach_fini(void); if (drmach_fini()) return (DDI_FAILURE); else return (mod_remove(&modlinkage)); } int _info(struct modinfo *modinfop) { return (mod_info(&modlinkage, modinfop)); } static pnode_t drmach_node_obp_get_dnode(drmach_node_t *np) { return ((pnode_t)(uintptr_t)np->here); } static int drmach_node_obp_walk(drmach_node_t *np, void *data, int (*cb)(drmach_node_walk_args_t *args)) { pnode_t nodeid; int rv; drmach_node_walk_args_t args; /* initialized args structure for callback */ args.node = np; args.data = data; nodeid = prom_childnode(prom_rootnode()); /* save our new position with in the tree */ np->here = (void *)(uintptr_t)nodeid; rv = 0; while (nodeid != OBP_NONODE) { rv = (*cb)(&args); if (rv) break; nodeid = prom_nextnode(nodeid); /* save our new position with in the tree */ np->here = (void *)(uintptr_t)nodeid; } return (rv); } static drmach_node_t * drmach_node_new(void) { drmach_node_t *np; np = kmem_zalloc(sizeof (drmach_node_t), KM_SLEEP); np->get_dnode = drmach_node_obp_get_dnode; np->walk = drmach_node_obp_walk; return (np); } static void drmach_node_dispose(drmach_node_t *np) { kmem_free(np, sizeof (*np)); } static dev_info_t * drmach_node_get_dip(drmach_node_t *np) { pnode_t nodeid; nodeid = np->get_dnode(np); if (nodeid == OBP_NONODE) return (NULL); else { dev_info_t *dip; /* The root node doesn't have to be held */ dip = e_ddi_nodeid_to_dip(nodeid); if (dip) { /* * Branch rooted at dip is already held, so release * hold acquired in e_ddi_nodeid_to_dip() */ ddi_release_devi(dip); ASSERT(e_ddi_branch_held(dip)); } return (dip); } /*NOTREACHED*/ } static pnode_t drmach_node_get_dnode(drmach_node_t *np) { return (np->get_dnode(np)); } static int drmach_node_walk(drmach_node_t *np, void *param, int (*cb)(drmach_node_walk_args_t *args)) { return (np->walk(np, param, cb)); } static int drmach_node_get_prop(drmach_node_t *np, char *name, void *buf) { pnode_t nodeid; int rv; nodeid = np->get_dnode(np); if (nodeid == OBP_NONODE) rv = -1; else if (prom_getproplen(nodeid, (caddr_t)name) < 0) rv = -1; else { (void) prom_getprop(nodeid, (caddr_t)name, (caddr_t)buf); rv = 0; } return (rv); } static int drmach_node_get_proplen(drmach_node_t *np, char *name, int *len) { pnode_t nodeid; int rv; nodeid = np->get_dnode(np); if (nodeid == OBP_NONODE) rv = -1; else { *len = prom_getproplen(nodeid, (caddr_t)name); rv = (*len < 0 ? -1 : 0); } return (rv); } static drmachid_t drmach_node_dup(drmach_node_t *np) { drmach_node_t *dup; dup = drmach_node_new(); dup->here = np->here; return (dup); } /* * drmach_array provides convenient array construction, access, * bounds checking and array destruction logic. */ static drmach_array_t * drmach_array_new(int min_index, int max_index) { drmach_array_t *arr; arr = kmem_zalloc(sizeof (drmach_array_t), KM_SLEEP); arr->arr_sz = (max_index - min_index + 1) * sizeof (void *); if (arr->arr_sz > 0) { arr->min_index = min_index; arr->max_index = max_index; arr->arr = kmem_zalloc(arr->arr_sz, KM_SLEEP); return (arr); } else { kmem_free(arr, sizeof (*arr)); return (0); } } static int drmach_array_set(drmach_array_t *arr, int idx, drmachid_t val) { if (idx < arr->min_index || idx > arr->max_index) return (-1); else { arr->arr[idx - arr->min_index] = val; return (0); } /*NOTREACHED*/ } static int drmach_array_get(drmach_array_t *arr, int idx, drmachid_t *val) { if (idx < arr->min_index || idx > arr->max_index) return (-1); else { *val = arr->arr[idx - arr->min_index]; return (0); } /*NOTREACHED*/ } static int drmach_array_first(drmach_array_t *arr, int *idx, drmachid_t *val) { int rv; *idx = arr->min_index; while ((rv = drmach_array_get(arr, *idx, val)) == 0 && *val == NULL) *idx += 1; return (rv); } static int drmach_array_next(drmach_array_t *arr, int *idx, drmachid_t *val) { int rv; *idx += 1; while ((rv = drmach_array_get(arr, *idx, val)) == 0 && *val == NULL) *idx += 1; return (rv); } static void drmach_array_dispose(drmach_array_t *arr, void (*disposer)(drmachid_t)) { drmachid_t val; int idx; int rv; rv = drmach_array_first(arr, &idx, &val); while (rv == 0) { (*disposer)(val); rv = drmach_array_next(arr, &idx, &val); } kmem_free(arr->arr, arr->arr_sz); kmem_free(arr, sizeof (*arr)); } /*ARGSUSED*/ static int drmach_prom_select(pnode_t nodeid, void *arg, uint_t flags) { int rprop[64]; pnode_t saved; drmach_config_args_t *ap = (drmach_config_args_t *)arg; drmach_device_t *dp = ap->dp; sbd_error_t *err; saved = drmach_node_get_dnode(dp->node); if (nodeid != saved) return (DDI_FAILURE); if (saved == OBP_NONODE) { err = DRMACH_INTERNAL_ERROR(); DRERR_SET_C(&ap->err, &err); return (DDI_FAILURE); } if (prom_getprop(nodeid, OBP_REG, (caddr_t)rprop) <= 0) { return (DDI_FAILURE); } return (DDI_SUCCESS); } /*ARGSUSED*/ static void drmach_branch_callback(dev_info_t *rdip, void *arg, uint_t flags) { drmach_config_args_t *ap = (drmach_config_args_t *)arg; ASSERT(ap->dip == NULL); ap->dip = rdip; } sbd_error_t * drmach_configure(drmachid_t id, int flags) { drmach_device_t *dp; sbd_error_t *err; drmach_config_args_t ca; devi_branch_t b = {0}; dev_info_t *fdip = NULL; if (!DRMACH_IS_DEVICE_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); dp = id; ca.dp = dp; ca.flags = flags; ca.err = NULL; /* will be set if error detected */ ca.dip = NULL; b.arg = &ca; b.type = DEVI_BRANCH_PROM; b.create.prom_branch_select = drmach_prom_select; b.devi_branch_callback = drmach_branch_callback; if (e_ddi_branch_create(ddi_root_node(), &b, &fdip, DEVI_BRANCH_CHILD | DEVI_BRANCH_CONFIGURE) != 0) { char *path = kmem_alloc(MAXPATHLEN, KM_SLEEP); /* * If non-NULL, fdip is returned held and must be released. */ if (fdip != NULL) { (void) ddi_pathname(fdip, path); ddi_release_devi(fdip); } else if (ca.dip != NULL) { /* safe to call ddi_pathname as dip already held */ (void) ddi_pathname(ca.dip, path); } else { (void) strcpy(path, ""); } err = drerr_new(1, ESTF_DRVFAIL, path); DRERR_SET_C(&ca.err, &err); kmem_free(path, MAXPATHLEN); } return (ca.err); } static sbd_error_t * drmach_device_new(drmach_node_t *node, drmach_board_t *bp, drmach_device_t **dpp) { int i; int rv; drmach_device_t *dp; sbd_error_t *err; char name[OBP_MAXDRVNAME]; rv = drmach_node_get_prop(node, OBP_NAME, name); if (rv) { /* every node is expected to have a name */ err = drerr_new(1, ESTF_GETPROP, "PROM Node 0x%x: property %s", (uint_t)node->get_dnode(node), OBP_NAME); return (err); } /* * The node currently being examined is not listed in the name2type[] * array. In this case, the node is no interest to drmach. Both * dp and err are initialized here to yield nothing (no device or * error structure) for this case. */ for (i = 0; i < sizeof (name2type) / sizeof (name2type[0]); i++) if (strcmp(name2type[i].name, name) == 0) break; if (i < sizeof (name2type) / sizeof (name2type[0])) { dp = kmem_zalloc(sizeof (drmach_device_t), KM_SLEEP); dp->bp = bp; dp->unum = -1; dp->node = drmach_node_dup(node); dp->type = name2type[i].type; err = (name2type[i].new)(dp); if (err) { drmach_node_dispose(node); kmem_free(dp, sizeof (*dp)); dp = NULL; } *dpp = dp; return (err); } /* * The node currently being examined is not listed in the name2type[] * array. In this case, the node is no interest to drmach. Both * dp and err are initialized here to yield nothing (no device or * error structure) for this case. */ *dpp = NULL; return (NULL); } static void drmach_device_dispose(drmachid_t id) { drmach_device_t *self = id; if (self->node) drmach_node_dispose(self->node); kmem_free(self, sizeof (*self)); } static sbd_error_t * drmach_device_get_prop(drmach_device_t *dp, char *name, void *buf) { sbd_error_t *err = NULL; int rv; rv = drmach_node_get_prop(dp->node, name, buf); if (rv) { err = drerr_new(1, ESTF_GETPROP, "%s::%s: property %s", dp->bp->cm.name, dp->cm.name, name); } return (err); } static sbd_error_t * drmach_device_get_proplen(drmach_device_t *dp, char *name, int *len) { sbd_error_t *err = NULL; int rv; rv = drmach_node_get_proplen(dp->node, name, len); if (rv) { err = drerr_new(1, ESTF_GETPROPLEN, "%s::%s: property %s", dp->bp->cm.name, dp->cm.name, name); } return (err); } static drmach_board_t * drmach_board_new(int bnum) { static sbd_error_t *drmach_board_release(drmachid_t); static sbd_error_t *drmach_board_status(drmachid_t, drmach_status_t *); drmach_board_t *bp; bp = kmem_zalloc(sizeof (drmach_board_t), KM_SLEEP); bp->cm.isa = (void *)drmach_board_new; bp->cm.release = drmach_board_release; bp->cm.status = drmach_board_status; (void) drmach_board_name(bnum, bp->cm.name, sizeof (bp->cm.name)); bp->bnum = bnum; bp->devices = NULL; bp->connect_cpuid = -1; bp->tree = drmach_node_new(); bp->assigned = !drmach_initialized; bp->powered = !drmach_initialized; drmach_array_set(drmach_boards, bnum, bp); return (bp); } static void drmach_board_dispose(drmachid_t id) { drmach_board_t *bp; ASSERT(DRMACH_IS_BOARD_ID(id)); bp = id; if (bp->tree) drmach_node_dispose(bp->tree); if (bp->devices) drmach_array_dispose(bp->devices, drmach_device_dispose); kmem_free(bp, sizeof (*bp)); } static sbd_error_t * drmach_board_status(drmachid_t id, drmach_status_t *stat) { sbd_error_t *err = NULL; drmach_board_t *bp; if (!DRMACH_IS_BOARD_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); bp = id; stat->assigned = bp->assigned; stat->powered = bp->powered; stat->busy = 0; /* assume not busy */ stat->configured = 0; /* assume not configured */ stat->empty = 0; stat->cond = bp->cond = SBD_COND_OK; strncpy(stat->type, "System Brd", sizeof (stat->type)); stat->info[0] = '\0'; if (bp->devices) { int rv; int d_idx; drmachid_t d_id; rv = drmach_array_first(bp->devices, &d_idx, &d_id); while (rv == 0) { drmach_status_t d_stat; err = drmach_status(d_id, &d_stat); if (err) break; stat->busy |= d_stat.busy; stat->configured |= d_stat.configured; rv = drmach_array_next(bp->devices, &d_idx, &d_id); } } return (err); } /* a simple routine to reduce redundancy of this common logic */ static pda_handle_t drmach_pda_open(void) { pda_handle_t ph; ph = pda_open(); if (ph == NULL) { /* catch in debug kernels */ ASSERT(0); cmn_err(CE_WARN, "pda_open failed"); } return (ph); } #ifdef DEBUG int drmach_init_break = 0; #endif static int hold_rele_branch(dev_info_t *rdip, void *arg) { int i; int *holdp = (int *)arg; char *name = ddi_node_name(rdip); /* * For Starfire, we must be children of the root devinfo node */ ASSERT(ddi_get_parent(rdip) == ddi_root_node()); for (i = 0; i < sizeof (name2type) / sizeof (name2type[0]); i++) if (strcmp(name2type[i].name, name) == 0) break; if (i == sizeof (name2type) / sizeof (name2type[0])) { /* Not of interest to us */ return (DDI_WALK_PRUNECHILD); } if (*holdp) { ASSERT(!e_ddi_branch_held(rdip)); e_ddi_branch_hold(rdip); } else { ASSERT(e_ddi_branch_held(rdip)); e_ddi_branch_rele(rdip); } return (DDI_WALK_PRUNECHILD); } static int drmach_init(void) { pnode_t nodeid; dev_info_t *rdip; int hold, circ; #ifdef DEBUG if (drmach_init_break) debug_enter("drmach_init: drmach_init_break set\n"); #endif mutex_enter(&drmach_i_lock); if (drmach_initialized) { mutex_exit(&drmach_i_lock); return (0); } drmach_boards = drmach_array_new(0, MAX_BOARDS - 1); nodeid = prom_childnode(prom_rootnode()); do { int bnum; drmachid_t id; bnum = -1; (void) prom_getprop(nodeid, OBP_BOARDNUM, (caddr_t)&bnum); if (bnum == -1) continue; if (drmach_array_get(drmach_boards, bnum, &id) == -1) { cmn_err(CE_WARN, "OBP node 0x%x has" " invalid property value, %s=%d", nodeid, OBP_BOARDNUM, bnum); /* clean up */ drmach_array_dispose( drmach_boards, drmach_board_dispose); mutex_exit(&drmach_i_lock); return (-1); } else if (id == NULL) (void) drmach_board_new(bnum); } while ((nodeid = prom_nextnode(nodeid)) != OBP_NONODE); drmach_shutdown_va = vmem_alloc(heap_arena, PAGESIZE, VM_SLEEP); /* * Walk immediate children of devinfo root node and hold * all devinfo branches of interest. */ hold = 1; rdip = ddi_root_node(); ndi_devi_enter(rdip, &circ); ddi_walk_devs(ddi_get_child(rdip), hold_rele_branch, &hold); ndi_devi_exit(rdip, circ); drmach_initialized = 1; mutex_exit(&drmach_i_lock); return (0); } static int drmach_fini(void) { dev_info_t *rdip; int hold, circ; if (drmach_initialized) { int busy = 0; int rv; int idx; drmachid_t id; ASSERT(drmach_boards != NULL); rv = drmach_array_first(drmach_boards, &idx, &id); while (rv == 0) { sbd_error_t *err; drmach_status_t stat; err = drmach_board_status(id, &stat); if (err) { /* catch in debug kernels */ ASSERT(0); sbd_err_clear(&err); busy = 1; } else busy |= stat.busy; rv = drmach_array_next(drmach_boards, &idx, &id); } if (busy) return (-1); drmach_array_dispose(drmach_boards, drmach_board_dispose); drmach_boards = NULL; vmem_free(heap_arena, drmach_shutdown_va, PAGESIZE); /* * Walk immediate children of the root devinfo node * releasing holds acquired on branches in drmach_init() */ hold = 0; rdip = ddi_root_node(); ndi_devi_enter(rdip, &circ); ddi_walk_devs(ddi_get_child(rdip), hold_rele_branch, &hold); ndi_devi_exit(rdip, circ); mutex_destroy(&drmach_i_lock); drmach_initialized = 0; } if (drmach_xt_mb != NULL) { vmem_free(static_alloc_arena, (void *)drmach_xt_mb, NCPU * sizeof (uchar_t)); } if (drmach_shutdown_asm_mbox != NULL) { vmem_free(static_alloc_arena, (void *)drmach_shutdown_asm_mbox, sizeof (struct drmach_shutdown_mbox)); } return (0); } static sbd_error_t * drmach_get_mc_asr_addr(drmachid_t id, uint64_t *pa) { drmach_device_t *dp; pnode_t nodeid; uint64_t addr; if (!DRMACH_IS_MEM_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); dp = id; nodeid = drmach_node_get_dnode(dp->node); if (nodeid == OBP_NONODE || nodeid == OBP_BADNODE) return (DRMACH_INTERNAL_ERROR()); addr = mc_get_asr_addr(nodeid); if (addr == (uint64_t)-1) return (DRMACH_INTERNAL_ERROR()); *pa = addr; return (NULL); } static sbd_error_t * drmach_get_mc_idle_addr(drmachid_t id, uint64_t *pa) { drmach_device_t *dp; pnode_t nodeid; uint64_t addr; if (!DRMACH_IS_MEM_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); dp = id; nodeid = drmach_node_get_dnode(dp->node); if (nodeid == OBP_NONODE || nodeid == OBP_BADNODE) return (DRMACH_INTERNAL_ERROR()); addr = mc_get_idle_addr(nodeid); if (addr == (uint64_t)-1) return (DRMACH_INTERNAL_ERROR()); *pa = addr; return (NULL); } static sbd_error_t * drmach_read_mc_asr(drmachid_t id, uint_t *mcregp) { drmach_device_t *dp; pnode_t nodeid; sbd_error_t *err; if (!DRMACH_IS_MEM_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); dp = id; nodeid = drmach_node_get_dnode(dp->node); if (nodeid == OBP_NONODE || nodeid == OBP_BADNODE) err = DRMACH_INTERNAL_ERROR(); else if (mc_read_asr(nodeid, mcregp) == -1) err = DRMACH_INTERNAL_ERROR(); else err = NULL; return (err); } static sbd_error_t * drmach_write_mc_asr(drmachid_t id, uint_t mcreg) { drmach_device_t *dp; pnode_t nodeid; sbd_error_t *err; if (!DRMACH_IS_MEM_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); dp = id; nodeid = drmach_node_get_dnode(dp->node); if (nodeid == OBP_NONODE || nodeid == OBP_BADNODE) err = DRMACH_INTERNAL_ERROR(); else if (mc_write_asr(nodeid, mcreg) == -1) err = DRMACH_INTERNAL_ERROR(); else err = NULL; return (err); } static struct memlist * memlist_add_span(struct memlist *mlist, uint64_t base, uint64_t len) { struct memlist *ml, *tl, *nl; if (len == 0ull) return (NULL); if (mlist == NULL) { mlist = GETSTRUCT(struct memlist, 1); mlist->address = base; mlist->size = len; mlist->next = mlist->prev = NULL; return (mlist); } for (tl = ml = mlist; ml; tl = ml, ml = ml->next) { if (base < ml->address) { if ((base + len) < ml->address) { nl = GETSTRUCT(struct memlist, 1); nl->address = base; nl->size = len; nl->next = ml; if ((nl->prev = ml->prev) != NULL) nl->prev->next = nl; ml->prev = nl; if (mlist == ml) mlist = nl; } else { ml->size = MAX((base + len), (ml->address + ml->size)) - base; ml->address = base; } break; } else if (base <= (ml->address + ml->size)) { ml->size = MAX((base + len), (ml->address + ml->size)) - MIN(ml->address, base); ml->address = MIN(ml->address, base); break; } } if (ml == NULL) { nl = GETSTRUCT(struct memlist, 1); nl->address = base; nl->size = len; nl->next = NULL; nl->prev = tl; tl->next = nl; } memlist_coalesce(mlist); return (mlist); } static sbd_error_t * drmach_prep_rename_script(drmach_device_t *s_mem, drmach_device_t *t_mem, uint64_t t_slice_offset, caddr_t buf, int buflen) { int i, b, m; drmach_mc_idle_script_t *isp; drmach_rename_script_t *rsp; int s_bd, t_bd; uint_t s_masr, t_masr; uint64_t s_new_basepa, t_new_basepa; int b_idx, rv; sbd_error_t *err; drmachid_t b_id; drmach_board_t *brd; #ifdef DEBUG /* * Starfire CPU/MEM/IO boards have only one MC per board. * This function has been coded with that fact in mind. */ ASSERT(MAX_MEM_UNITS_PER_BOARD == 1); /* * calculate the maximum space that could be consumed, * then verify the available buffer space is adequate. */ m = sizeof (drmach_mc_idle_script_t *) * 2; /* two MCs */ b = sizeof (drmach_rename_script_t *) * 3 * MAX_CPU_UNITS_PER_BOARD; b += sizeof (drmach_rename_script_t *) * 3 * MAX_IO_UNITS_PER_BOARD; b *= MAX_BOARDS; b += sizeof (drmach_rename_script_t *) * 3; b += sizeof (drmach_rename_script_t *) * 1; ASSERT(m + b < buflen); #endif /* * construct an array of MC idle register addresses of * both MCs. The array is zero terminated -- as expected * by drmach_copy_rename_prog__relocatable(). */ isp = (drmach_mc_idle_script_t *)buf; /* source mc */ err = drmach_get_mc_idle_addr(s_mem, &isp->idle_addr); if (err) return (err); isp->mem = s_mem; isp += 1; /* target mc */ err = drmach_get_mc_idle_addr(t_mem, &isp->idle_addr); if (err) return (err); isp->mem = t_mem; isp += 1; /* terminator */ isp->idle_addr = 0; isp->mem = NULL; isp += 1; /* fetch source mc asr register value */ err = drmach_read_mc_asr(s_mem, &s_masr); if (err) return (err); else if (s_masr & STARFIRE_MC_INTERLEAVE_MASK) { return (drerr_new(1, ESTF_INTERBOARD, "%s::%s", s_mem->bp->cm.name, s_mem->cm.name)); } /* fetch target mc asr register value */ err = drmach_read_mc_asr(t_mem, &t_masr); if (err) return (err); else if (t_masr & STARFIRE_MC_INTERLEAVE_MASK) { return (drerr_new(1, ESTF_INTERBOARD, "%s::%s", t_mem->bp->cm.name, t_mem->cm.name)); } /* get new source base pa from target's masr */ s_new_basepa = mc_asr_to_pa(t_masr); /* * remove any existing slice offset to realign * memory with board's slice boundary */ s_new_basepa &= ~ (mc_get_mem_alignment() - 1); /* get new target base pa from source's masr */ t_new_basepa = mc_asr_to_pa(s_masr); /* remove any existing slice offset, then apply new offset */ t_new_basepa &= ~ (mc_get_mem_alignment() - 1); t_new_basepa += t_slice_offset; /* encode new base pa into s_masr. turn off mem present bit */ s_masr = mc_pa_to_asr(s_masr, s_new_basepa); s_masr &= ~STARFIRE_MC_MEM_PRESENT_MASK; /* encode new base pa into t_masr. turn on mem present bit */ t_masr = mc_pa_to_asr(t_masr, t_new_basepa); t_masr |= STARFIRE_MC_MEM_PRESENT_MASK; /* * Step 0: Mark source memory as not present. */ m = 0; rsp = (drmach_rename_script_t *)isp; err = drmach_get_mc_asr_addr(s_mem, &rsp[m].masr_addr); if (err) return (err); rsp[m].masr = s_masr; m++; /* * Step 1: Write source base address to target MC * with present bit off. */ err = drmach_get_mc_asr_addr(t_mem, &rsp[m].masr_addr); if (err) return (err); rsp[m].masr = t_masr & ~STARFIRE_MC_MEM_PRESENT_MASK; m++; /* * Step 2: Now rewrite target reg with present bit on. */ rsp[m].masr_addr = rsp[m-1].masr_addr; rsp[m].masr = t_masr; m++; s_bd = s_mem->bp->bnum; t_bd = t_mem->bp->bnum; DRMACH_PR("preparing script for CPU and IO units:\n"); rv = drmach_array_first(drmach_boards, &b_idx, &b_id); if (rv) { /* catch this in debug kernels */ ASSERT(0); return (DRMACH_INTERNAL_ERROR()); } do { int d_idx; drmachid_t d_id; drmach_device_t *device; ASSERT(DRMACH_IS_BOARD_ID(b_id)); brd = b_id; b = brd->bnum; /* * Step 3: Update PC MADR tables for CPUs. */ rv = drmach_array_first(brd->devices, &d_idx, &d_id); if (rv) { /* must mean no devices on this board */ break; } DRMACH_PR("\t%s\n", brd->cm.name); do { ASSERT(DRMACH_IS_DEVICE_ID(d_id)); if (!DRMACH_IS_CPU_ID(d_id)) continue; device = d_id; i = device->unum; DRMACH_PR("\t\t%s\n", device->cm.name); /* * Disabled detaching mem node. */ rsp[m].masr_addr = STARFIRE_PC_MADR_ADDR(b, s_bd, i); rsp[m].masr = s_masr; m++; /* * Always write masr with present bit * off and then again with it on. */ rsp[m].masr_addr = STARFIRE_PC_MADR_ADDR(b, t_bd, i); rsp[m].masr = t_masr & ~STARFIRE_MC_MEM_PRESENT_MASK; m++; rsp[m].masr_addr = rsp[m-1].masr_addr; rsp[m].masr = t_masr; m++; } while (drmach_array_next(brd->devices, &d_idx, &d_id) == 0); /* * Step 4: Update PC MADR tables for IOs. */ rv = drmach_array_first(brd->devices, &d_idx, &d_id); /* this worked for previous loop, must work here too */ ASSERT(rv == 0); do { ASSERT(DRMACH_IS_DEVICE_ID(d_id)); if (!DRMACH_IS_IO_ID(d_id)) continue; device = d_id; i = device->unum; DRMACH_PR("\t\t%s\n", device->cm.name); /* * Disabled detaching mem node. */ rsp[m].masr_addr = STARFIRE_PC_MADR_ADDR(b, s_bd, i+4); rsp[m].masr = s_masr; m++; /* * Always write masr with present bit * off and then again with it on. */ rsp[m].masr_addr = STARFIRE_PC_MADR_ADDR(b, t_bd, i+4); rsp[m].masr = t_masr & ~STARFIRE_MC_MEM_PRESENT_MASK; m++; rsp[m].masr_addr = rsp[m-1].masr_addr; rsp[m].masr = t_masr; m++; } while (drmach_array_next(brd->devices, &d_idx, &d_id) == 0); } while (drmach_array_next(drmach_boards, &b_idx, &b_id) == 0); /* * Zero masr_addr value indicates the END. */ rsp[m].masr_addr = 0ull; rsp[m].masr = 0; DRMACH_PR("number of steps in rename script = %d\n", m); m++; /* paranoia */ ASSERT((caddr_t)&rsp[m] <= buf + buflen); #ifdef DEBUG { int j; DRMACH_PR("mc idle register address list:"); isp = (drmach_mc_idle_script_t *)buf; DRMACH_PR("source mc idle addr 0x%lx, mem id %p", isp[0].idle_addr, isp[0].mem); DRMACH_PR("target mc idle addr 0x%lx, mem id %p", isp[1].idle_addr, isp[1].mem); ASSERT(isp[2].idle_addr == 0); DRMACH_PR("copy-rename script:"); for (j = 0; j < m; j++) { DRMACH_PR("0x%lx = 0x%08x", rsp[j].masr_addr, rsp[j].masr); } DELAY(1000000); } #endif /* return number of bytes consumed */ b = (caddr_t)&rsp[m] - buf; DRMACH_PR("total number of bytes consumed is %d\n", b); ASSERT(b <= buflen); #ifdef lint buflen = buflen; #endif return (NULL); } /* * The routine performs the necessary memory COPY and MC adr SWITCH. * Both operations MUST be at the same "level" so that the stack is * maintained correctly between the copy and switch. The switch * portion implements a caching mechanism to guarantee the code text * is cached prior to execution. This is to guard against possible * memory access while the MC adr's are being modified. * * IMPORTANT: The _drmach_copy_rename_end() function must immediately * follow drmach_copy_rename_prog__relocatable() so that the correct * "length" of the drmach_copy_rename_prog__relocatable can be * calculated. This routine MUST be a LEAF function, i.e. it can * make NO function calls, primarily for two reasons: * * 1. We must keep the stack consistent across the "switch". * 2. Function calls are compiled to relative offsets, and * we execute this function we'll be executing it from * a copied version in a different area of memory, thus * the relative offsets will be bogus. * * Moreover, it must have the "__relocatable" suffix to inform DTrace * providers (and anything else, for that matter) that this * function's text is manually relocated elsewhere before it is * executed. That is, it cannot be safely instrumented with any * methodology that is PC-relative. */ static void drmach_copy_rename_prog__relocatable(drmach_copy_rename_program_t *prog) { extern void drmach_exec_script_il(drmach_rename_script_t *rsp); drmach_mc_idle_script_t *isp; struct memlist *ml; int csize; int lnsize; uint64_t caddr; isp = (drmach_mc_idle_script_t *)prog->data; caddr = ecache_flushaddr; csize = (cpunodes[CPU->cpu_id].ecache_size << 1); lnsize = cpunodes[CPU->cpu_id].ecache_linesize; /* * DO COPY. */ for (ml = prog->c_ml; ml; ml = ml->next) { uint64_t s_pa, t_pa; uint64_t nbytes; s_pa = prog->s_copybasepa + ml->address; t_pa = prog->t_copybasepa + ml->address; nbytes = ml->size; while (nbytes != 0ull) { /* * This copy does NOT use an ASI * that avoids the Ecache, therefore * the dst_pa addresses may remain * in our Ecache after the dst_pa * has been removed from the system. * A subsequent write-back to memory * will cause an ARB-stop because the * physical address no longer exists * in the system. Therefore we must * flush out local Ecache after we * finish the copy. */ /* copy 32 bytes at src_pa to dst_pa */ bcopy32_il(s_pa, t_pa); /* increment by 32 bytes */ s_pa += (4 * sizeof (uint64_t)); t_pa += (4 * sizeof (uint64_t)); /* decrement by 32 bytes */ nbytes -= (4 * sizeof (uint64_t)); } } /* * Since bcopy32_il() does NOT use an ASI to bypass * the Ecache, we need to flush our Ecache after * the copy is complete. */ flush_ecache_il(caddr, csize, lnsize); /* inline version */ /* * Wait for MCs to go idle. */ do { register int t = 10; register uint_t v; /* loop t cycles waiting for each mc to indicate it's idle */ do { v = ldphysio_il(isp->idle_addr) & STARFIRE_MC_IDLE_MASK; } while (v != STARFIRE_MC_IDLE_MASK && t-- > 0); /* bailout if timedout */ if (t <= 0) { prog->restless_mc = isp->mem; return; } isp += 1; /* stop if terminating zero has been reached */ } while (isp->idle_addr != 0); /* advance passed terminating zero */ isp += 1; /* * The following inline assembly routine caches * the rename script and then caches the code that * will do the rename. This is necessary * so that we don't have any memory references during * the reprogramming. We accomplish this by first * jumping through the code to guarantee it's cached * before we actually execute it. */ drmach_exec_script_il((drmach_rename_script_t *)isp); } static void drmach_copy_rename_end(void) { /* * IMPORTANT: This function's location MUST be located immediately * following drmach_copy_rename_prog__relocatable to * accurately estimate its size. Note that this assumes * the compiler keeps these functions in the order in * which they appear :-o */ } sbd_error_t * drmach_copy_rename_init(drmachid_t t_id, uint64_t t_slice_offset, drmachid_t s_id, struct memlist *c_ml, drmachid_t *pgm_id) { drmach_device_t *s_mem; drmach_device_t *t_mem; struct memlist *x_ml; uint64_t off_mask, s_copybasepa, t_copybasepa, t_basepa; int len; caddr_t bp, wp; pda_handle_t ph; sbd_error_t *err; drmach_copy_rename_program_t *prog; if (!DRMACH_IS_MEM_ID(s_id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); if (!DRMACH_IS_MEM_ID(t_id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); s_mem = s_id; t_mem = t_id; /* get starting physical address of target memory */ err = drmach_mem_get_base_physaddr(t_id, &t_basepa); if (err) return (err); /* calculate slice offset mask from slice size */ off_mask = mc_get_mem_alignment() - 1; /* calculate source and target base pa */ s_copybasepa = c_ml->address; t_copybasepa = t_basepa + ((c_ml->address & off_mask) - t_slice_offset); /* paranoia */ ASSERT((c_ml->address & off_mask) >= t_slice_offset); /* adjust copy memlist addresses to be relative to copy base pa */ x_ml = c_ml; while (x_ml != NULL) { x_ml->address -= s_copybasepa; x_ml = x_ml->next; } #ifdef DEBUG { uint64_t s_basepa, s_size, t_size; x_ml = c_ml; while (x_ml->next != NULL) x_ml = x_ml->next; DRMACH_PR("source copy span: base pa 0x%lx, end pa 0x%lx\n", s_copybasepa, s_copybasepa + x_ml->address + x_ml->size); DRMACH_PR("target copy span: base pa 0x%lx, end pa 0x%lx\n", t_copybasepa, t_copybasepa + x_ml->address + x_ml->size); DRMACH_PR("copy memlist (relative to copy base pa):\n"); MEMLIST_DUMP(c_ml); err = drmach_mem_get_base_physaddr(s_id, &s_basepa); ASSERT(err == NULL); err = drmach_mem_get_size(s_id, &s_size); ASSERT(err == NULL); err = drmach_mem_get_size(t_id, &t_size); ASSERT(err == NULL); DRMACH_PR("current source base pa 0x%lx, size 0x%lx\n", s_basepa, s_size); DRMACH_PR("current target base pa 0x%lx, size 0x%lx\n", t_basepa, t_size); ASSERT(s_copybasepa + x_ml->address + x_ml->size <= s_basepa + s_size); ASSERT(t_copybasepa + x_ml->address + x_ml->size <= t_basepa + t_size); } #endif ph = drmach_pda_open(); if (ph == NULL) return (DRMACH_INTERNAL_ERROR()); /* * bp will be page aligned, since we're calling * kmem_zalloc() with an exact multiple of PAGESIZE. */ wp = bp = kmem_zalloc(PAGESIZE, KM_SLEEP); /* allocate space for copy rename struct */ len = sizeof (drmach_copy_rename_program_t); DRMACH_PR("prog = 0x%p, header len %d\n", wp, len); prog = (drmach_copy_rename_program_t *)wp; wp += (len + ecache_alignsize - 1) & ~ (ecache_alignsize - 1); /* * Copy the code for the copy-rename routine into * a page aligned piece of memory. We do this to guarantee * that we're executing within the same page and thus reduce * the possibility of cache collisions between different * pages. */ len = (int)((ulong_t)drmach_copy_rename_end - (ulong_t)drmach_copy_rename_prog__relocatable); ASSERT(wp + len < bp + PAGESIZE); bcopy((caddr_t)drmach_copy_rename_prog__relocatable, wp, len); DRMACH_PR("copy-rename function 0x%p, len %d\n", wp, len); prog->run = (void (*)())wp; wp += (len + ecache_alignsize - 1) & ~ (ecache_alignsize - 1); /* * Prepare data page that will contain script of * operations to perform during copy-rename. * Allocate temporary buffer to hold script. */ err = drmach_prep_rename_script(s_mem, t_mem, t_slice_offset, wp, PAGESIZE - (wp - bp)); if (err) { (void) drmach_copy_rename_fini(prog); return (err); } DRMACH_PR("copy-rename script 0x%p, len %d\n", wp, len); prog->data = wp; wp += (len + ecache_alignsize - 1) & ~ (ecache_alignsize - 1); prog->ph = ph; prog->s_copybasepa = s_copybasepa; prog->t_copybasepa = t_copybasepa; prog->c_ml = c_ml; *pgm_id = prog; return (NULL); } sbd_error_t * drmach_copy_rename_fini(drmachid_t id) { drmach_copy_rename_program_t *prog = id; sbd_error_t *err = NULL; if (prog->c_ml != NULL) memlist_delete(prog->c_ml); if (prog->ph != NULL) pda_close(prog->ph); if (prog->restless_mc != 0) { cmn_err(CE_WARN, "MC did not idle; OBP Node 0x%x", (uint_t)drmach_node_get_dnode(prog->restless_mc->node)); err = DRMACH_INTERNAL_ERROR(); } kmem_free(prog, PAGESIZE); return (err); } static sbd_error_t * drmach_io_new(drmach_device_t *dp) { static sbd_error_t *drmach_io_release(drmachid_t); static sbd_error_t *drmach_io_status(drmachid_t, drmach_status_t *); sbd_error_t *err; int portid; err = drmach_device_get_prop(dp, "upa-portid", &portid); if (err == NULL) { ASSERT(portid & 0x40); dp->unum = portid & 1; } dp->cm.isa = (void *)drmach_io_new; dp->cm.release = drmach_io_release; dp->cm.status = drmach_io_status; snprintf(dp->cm.name, sizeof (dp->cm.name), "%s%d", dp->type, dp->unum); return (err); } static void drmach_iopc_op(pda_handle_t ph, drmach_iopc_op_t op) { register int b; for (b = 0; b < MAX_BOARDS; b++) { int p; ushort_t bda_ioc; board_desc_t *bdesc; if (pda_board_present(ph, b) == 0) continue; bdesc = (board_desc_t *)pda_get_board_info(ph, b); /* * Update PCs for IOCs. */ bda_ioc = bdesc->bda_ioc; for (p = 0; p < MAX_IOCS; p++) { u_longlong_t idle_addr; uchar_t value; if (BDA_NBL(bda_ioc, p) != BDAN_GOOD) continue; idle_addr = STARFIRE_BB_PC_ADDR(b, p, 1); switch (op) { case DO_PAUSE: value = STARFIRE_BB_PC_PAUSE(p); break; case DO_IDLE: value = STARFIRE_BB_PC_IDLE(p); break; case DO_UNPAUSE: value = ldbphysio(idle_addr); value &= ~STARFIRE_BB_PC_PAUSE(p); break; case DO_UNIDLE: value = ldbphysio(idle_addr); value &= ~STARFIRE_BB_PC_IDLE(p); break; default: cmn_err(CE_PANIC, "drmach_iopc_op: unknown op (%d)", (int)op); /*NOTREACHED*/ } stbphysio(idle_addr, value); } } } void drmach_copy_rename(drmachid_t id) { drmach_copy_rename_program_t *prog = id; uint64_t neer; /* * UPA IDLE * Protocol = PAUSE -> IDLE -> UNPAUSE * In reality since we only "idle" the IOPCs it's sufficient * to just issue the IDLE operation since (in theory) all IOPCs * in the field are PC6. However, we'll be robust and do the * proper workaround protocol so that we never have to worry! */ drmach_iopc_op(prog->ph, DO_PAUSE); drmach_iopc_op(prog->ph, DO_IDLE); DELAY(100); drmach_iopc_op(prog->ph, DO_UNPAUSE); DELAY(100); /* disable CE reporting */ neer = get_error_enable(); set_error_enable(neer & ~EER_CEEN); /* run the copy/rename program */ prog->run(prog); /* enable CE reporting */ set_error_enable(neer); /* * UPA UNIDLE * Protocol = UNIDLE */ drmach_iopc_op(prog->ph, DO_UNIDLE); DELAY(100); } /* * The counter-timer and perf-counter nodes are not being cleaned * up after a board that was present at start of day is detached. * If the board has become unconfigured with this operation, walk * the prom tree and find all counter-timer and perf-counter nodes * that have the same board number as the board that was just * unconfigured and remove them. */ static sbd_error_t * drmach_remove_counter_nodes(drmachid_t id) { int num; char name[OBP_MAXDRVNAME]; pnode_t child; dev_info_t *dip; sbd_error_t *err; drmach_status_t stat; drmach_board_t *bp; if (!DRMACH_IS_BOARD_ID(id)) { return (drerr_new(0, ESTF_INAPPROP, NULL)); } if ((err = drmach_board_status(id, &stat)) != NULL) { return (err); } /* * Only clean up the counter-timer and perf-counter * nodes when the entire board is unconfigured. */ if (stat.configured) { return (NULL); } bp = (drmach_board_t *)id; err = NULL; for (child = prom_childnode(prom_rootnode()); child != OBP_NONODE; child = prom_nextnode(child)) { if (prom_getprop(child, OBP_BOARDNUM, (caddr_t)&num) == -1) { continue; } if (bp->bnum != num) { continue; } if (prom_getprop(child, OBP_NAME, (caddr_t)name) == -1) { continue; } if (strncmp(name, MISC_COUNTER_TIMER_DEVNAME, OBP_MAXDRVNAME) && strncmp(name, MISC_PERF_COUNTER_DEVNAME, OBP_MAXDRVNAME)) { continue; } /* Root node doesn't have to be held */ dip = e_ddi_nodeid_to_dip(child); /* * If the node is only in the OBP tree, then * we don't have to remove it. */ if (dip) { dev_info_t *fdip = NULL; DRMACH_PR("removing %s devinfo node\n", name); e_ddi_branch_hold(dip); ddi_release_devi(dip); /* held in e_ddi_nodeid_to_dip */ if (e_ddi_branch_destroy(dip, &fdip, 0)) { char *path = kmem_alloc(MAXPATHLEN, KM_SLEEP); /* * If non-NULL, fdip is held and must be * released. */ if (fdip != NULL) { (void) ddi_pathname(fdip, path); ddi_release_devi(fdip); } else { (void) ddi_pathname(dip, path); } err = drerr_new(1, ESTF_DRVFAIL, path); kmem_free(path, MAXPATHLEN); e_ddi_branch_rele(dip); break; } } } return (err); } /*ARGSUSED*/ sbd_error_t * drmach_pre_op(int cmd, drmachid_t id, drmach_opts_t *opts) { /* allow status and ncm operations to always succeed */ if ((cmd == SBD_CMD_STATUS) || (cmd == SBD_CMD_GETNCM)) { return (NULL); } /* check all other commands for the required option string */ if ((opts->size > 0) && (opts->copts != NULL)) { DRMACH_PR("platform options: %s\n", opts->copts); if (strstr(opts->copts, "xfdr") != NULL) { return (NULL); } } return (drerr_new(0, ESTF_SUPPORT, NULL)); } /*ARGSUSED*/ sbd_error_t * drmach_post_op(int cmd, drmachid_t id, drmach_opts_t *opts) { sbd_error_t *err = NULL; switch (cmd) { case SBD_CMD_UNCONFIGURE: err = drmach_remove_counter_nodes(id); break; case SBD_CMD_CONFIGURE: case SBD_CMD_DISCONNECT: case SBD_CMD_CONNECT: case SBD_CMD_GETNCM: case SBD_CMD_STATUS: break; default: break; } return (err); } sbd_error_t * drmach_board_assign(int bnum, drmachid_t *id) { sbd_error_t *err; if (!drmach_initialized && drmach_init() == -1) { err = DRMACH_INTERNAL_ERROR(); } else if (drmach_array_get(drmach_boards, bnum, id) == -1) { err = drerr_new(1, ESTF_BNUM, "%d", bnum); } else if (*id != NULL) { err = NULL; } else { drmach_board_t *bp; *id = (drmachid_t)drmach_board_new(bnum); bp = *id; bp->assigned = 1; err = NULL; } return (err); } static int drmach_attach_board(void *arg) { drmach_board_t *obj = (drmach_board_t *)arg; cpuset_t cset; int retval; /* * OBP disables traps during the board probe. * So, in order to prevent cross-call/cross-trap timeouts, * and thus panics, we effectively block anybody from * issuing xc's/xt's by doing a promsafe_xc_attention. * In the previous version of Starfire DR (2.6), a timeout * suspension mechanism was implemented in the send-mondo * assembly. That mechanism is unnecessary with the * existence of xc_attention/xc_dismissed. */ cset = cpu_ready_set; promsafe_xc_attention(cset); retval = prom_starfire_add_brd(obj->connect_cpuid); xc_dismissed(cset); return (retval); } sbd_error_t * drmach_board_connect(drmachid_t id, drmach_opts_t *opts) { drmach_board_t *obj = (drmach_board_t *)id; int retval; sbd_error_t *err; char *cptr, *copts; if (!DRMACH_IS_BOARD_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); if (opts->size > 0) copts = opts->copts; if ((cptr = strstr(copts, "cpuid=")) != NULL) { int cpuid; cptr += strlen("cpuid="); cpuid = stoi(&cptr); if (DRMACH_CPUID2BNUM(cpuid) == obj->bnum) { obj->connect_cpuid = cpuid; obj->assigned = 1; } else return (drerr_new(1, ESTF_SETCPUVAL, "%d", cpuid)); } else { /* cpuid was not specified */ obj->connect_cpuid = -1; } if (obj->connect_cpuid == -1) { err = drerr_new(1, ESTF_NOCPUID, obj->cm.name); return (err); } cmn_err(CE_CONT, "DRMACH: PROM attach %s CPU %d\n", obj->cm.name, obj->connect_cpuid); retval = prom_tree_update(drmach_attach_board, obj); if (retval == 0) err = NULL; else { cmn_err(CE_WARN, "prom error: prom_starfire_add_brd(%d) " "returned %d", obj->connect_cpuid, retval); err = drerr_new(1, ESTF_PROBE, obj->cm.name); } obj->connect_cpuid = -1; return (err); } /*ARGSUSED*/ sbd_error_t * drmach_board_disconnect(drmachid_t id, drmach_opts_t *opts) { drmach_board_t *bp; int rv; int d_idx; /* device index */ drmachid_t d_id; /* device ID */ sbd_error_t *err; if (!DRMACH_IS_BOARD_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); bp = id; /* * We need to make sure all of the board's device nodes * have been removed from the Solaris device tree before * continuing with the disconnect. Otherwise, we could * disconnect the board and remove the OBP device tree * nodes with Solaris device tree nodes remaining. * * On Starfire, Solaris device tree nodes are deleted * during unconfigure by drmach_unconfigure(). It's * necessary to do this here because drmach_unconfigure() * failures are not handled during unconfigure. */ if (bp->devices) { rv = drmach_array_first(bp->devices, &d_idx, &d_id); while (rv == 0) { err = drmach_unconfigure(d_id, DRMACH_DEVI_REMOVE); if (err) return (err); rv = drmach_array_next(bp->devices, &d_idx, &d_id); } } /* * Starfire board Solaris device tree counter nodes, * which are only present on start-of-day boards, are * removed in the dr_post_op() code flow after the * board is unconfigured. We call the counter node * removal function here because unconfigure errors * can cause the dr_post_op() function to be skipped * after an unconfigure operation even though all of * the board's devices have been transitioned to the * unconfigured state. */ err = drmach_remove_counter_nodes(id); if (err) return (err); return (NULL); } static int drmach_board_find_devices_cb(drmach_node_walk_args_t *args) { drmach_node_t *node = args->node; drmach_board_cb_data_t *data = args->data; drmach_board_t *obj = data->obj; int rv; int bnum; drmach_device_t *device; rv = drmach_node_get_prop(node, OBP_BOARDNUM, &bnum); if (rv) { /* * if the node does not have a board# property, then * by that information alone it is known that drmach * is not interested in it. */ return (0); } else if (bnum != obj->bnum) return (0); /* * Create a device data structure from this node data. * The call may yield nothing if the node is not of interest * to drmach. */ data->err = drmach_device_new(node, obj, &device); if (data->err) return (-1); else if (device == NULL) { /* * drmach_device_new examined the node we passed in * and determined that it was one not of interest to * drmach. So, it is skipped. */ return (0); } rv = drmach_array_set(obj->devices, data->ndevs++, device); if (rv) { drmach_device_dispose(device); data->err = DRMACH_INTERNAL_ERROR(); return (-1); } data->err = (*data->found)(data->a, device->type, device->unum, device); return (data->err == NULL ? 0 : -1); } sbd_error_t * drmach_board_find_devices(drmachid_t id, void *a, sbd_error_t *(*found)(void *a, const char *, int, drmachid_t)) { extern int plat_max_cpu_units_per_board(); extern int plat_max_mem_units_per_board(); extern int plat_max_io_units_per_board(); drmach_board_t *obj = (drmach_board_t *)id; sbd_error_t *err; int max_devices; int rv; drmach_board_cb_data_t data; max_devices = plat_max_cpu_units_per_board(); max_devices += plat_max_mem_units_per_board(); max_devices += plat_max_io_units_per_board(); obj->devices = drmach_array_new(0, max_devices); data.obj = obj; data.ndevs = 0; data.found = found; data.a = a; data.err = NULL; rv = drmach_node_walk(obj->tree, &data, drmach_board_find_devices_cb); if (rv == 0) err = NULL; else { drmach_array_dispose(obj->devices, drmach_device_dispose); obj->devices = NULL; if (data.err) err = data.err; else err = DRMACH_INTERNAL_ERROR(); } return (err); } int drmach_board_lookup(int bnum, drmachid_t *id) { int rv = 0; if (!drmach_initialized && drmach_init() == -1) { *id = 0; rv = -1; } else if (drmach_array_get(drmach_boards, bnum, id)) { *id = 0; rv = -1; } return (rv); } sbd_error_t * drmach_board_name(int bnum, char *buf, int buflen) { snprintf(buf, buflen, "SB%d", bnum); return (NULL); } sbd_error_t * drmach_board_poweroff(drmachid_t id) { drmach_board_t *bp; sbd_error_t *err; drmach_status_t stat; if (!DRMACH_IS_BOARD_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); bp = id; err = drmach_board_status(id, &stat); if (err) return (err); else if (stat.configured || stat.busy) return (drerr_new(0, ESTF_CONFIGBUSY, bp->cm.name)); else { /* board power off is essentially a noop for Starfire */ bp->powered = 0; return (NULL); } /*NOTREACHED*/ } sbd_error_t * drmach_board_poweron(drmachid_t id) { drmach_board_t *bp; if (!DRMACH_IS_BOARD_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); bp = id; /* board power on is essentially a noop for Starfire */ bp->powered = 1; return (NULL); } static sbd_error_t * drmach_board_release(drmachid_t id) { if (!DRMACH_IS_BOARD_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); return (NULL); } /*ARGSUSED*/ sbd_error_t * drmach_board_test(drmachid_t id, drmach_opts_t *opts, int force) { return (NULL); } sbd_error_t * drmach_board_unassign(drmachid_t id) { drmach_board_t *bp; sbd_error_t *err; drmach_status_t stat; if (!DRMACH_IS_BOARD_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); bp = id; err = drmach_board_status(id, &stat); if (err) return (err); else if (stat.configured || stat.busy) return (drerr_new(0, ESTF_CONFIGBUSY, bp->cm.name)); else if (drmach_array_set(drmach_boards, bp->bnum, 0) != 0) return (DRMACH_INTERNAL_ERROR()); else { drmach_board_dispose(bp); return (NULL); } /*NOTREACHED*/ } static sbd_error_t * drmach_cpu_new(drmach_device_t *dp) { static sbd_error_t *drmach_cpu_release(drmachid_t); static sbd_error_t *drmach_cpu_status(drmachid_t, drmach_status_t *); sbd_error_t *err; int portid; err = drmach_device_get_prop(dp, "upa-portid", &portid); if (err == NULL) dp->unum = portid & 3; dp->cm.isa = (void *)drmach_cpu_new; dp->cm.release = drmach_cpu_release; dp->cm.status = drmach_cpu_status; snprintf(dp->cm.name, sizeof (dp->cm.name), "%s%d", dp->type, dp->unum); return (err); } /* * drmach_cpu_obp_detach() * This requires two steps, first, we must put the cpuid into the OBP * idle loop (Idle in Program) state. Then we call OBP to place the CPU * into the "Detached" state, which does any special processing to * actually detach the cpu, such as flushing ecache, and also ensures * that a subsequent breakpoint won't restart the cpu (if it was just in * Idle in Program state). */ static void drmach_cpu_obp_detach(int cpuid) { /* * Cpu may not be under OBP's control. Eg, if cpu exited to download * helper on a prior attach. */ if (CPU_SGN_EXISTS(cpuid) && !SGN_CPU_IS_OS(cpuid) && !SGN_CPU_IS_OBP(cpuid)) { cmn_err(CE_WARN, "unexpected signature (0x%x) for cpu %d", get_cpu_sgn(cpuid), cpuid); } /* * Now we place the CPU into the "Detached" idle loop in OBP. * This is so that the CPU won't be restarted if we break into * OBP with a breakpoint or BREAK key from the console, and also * if we need to do any special processing, such as flushing the * cpu's ecache, disabling interrupts (by turning of the ET bit in * the PSR) and/or spinning in BBSRAM rather than global memory. */ DRMACH_PR("prom_starfire_rm_cpu(%d)\n", cpuid); prom_starfire_rm_cpu(cpuid); } /* * drmach_cpu_obp_is_detached() returns TRUE if the cpu sigblock signature state * is SIGBST_DETACHED; otherwise it returns FALSE. This routine should only * be called after we have asked OBP to detach the CPU. It should NOT be * called as a check during any other flow. */ static int drmach_cpu_obp_is_detached(int cpuid) { if (!CPU_SGN_EXISTS(cpuid) || (SGN_CPU_IS_OS(cpuid) && SGN_CPU_STATE_IS_DETACHED(cpuid))) return (1); else return (0); } static int drmach_cpu_start(struct cpu *cp) { int cpuid = cp->cpu_id; int ntries = drmach_cpu_ntries; extern void restart_other_cpu(int); ASSERT(MUTEX_HELD(&cpu_lock)); ASSERT(cpunodes[cpuid].nodeid != (pnode_t)0); cp->cpu_flags &= ~CPU_POWEROFF; /* * NOTE: restart_other_cpu pauses cpus during the * slave cpu start. This helps to quiesce the * bus traffic a bit which makes the tick sync * routine in the prom more robust. */ DRMACH_PR("COLD START for cpu (%d)\n", cpuid); prom_starfire_add_cpu(cpuid); restart_other_cpu(cpuid); /* * Wait for the cpu to reach its idle thread before * we zap him with a request to blow away the mappings * he (might) have for the drmach_shutdown_asm code * he may have executed on unconfigure. */ while ((cp->cpu_thread != cp->cpu_idle_thread) && (ntries > 0)) { DELAY(drmach_cpu_delay); ntries--; } DRMACH_PR("waited %d out of %d loops for cpu %d\n", drmach_cpu_ntries - ntries, drmach_cpu_ntries, cpuid); xt_one(cpuid, vtag_flushpage_tl1, (uint64_t)drmach_shutdown_va, (uint64_t)KCONTEXT); return (0); } /* * A detaching CPU is xcalled with an xtrap to drmach_cpu_stop_self() after * it has been offlined. The function of this routine is to get the cpu * spinning in a safe place. The requirement is that the system will not * reference anything on the detaching board (memory and i/o is detached * elsewhere) and that the CPU not reference anything on any other board * in the system. This isolation is required during and after the writes * to the domain masks to remove the board from the domain. * * To accomplish this isolation the following is done: * 1) Create a locked mapping to a location in BBSRAM where * the cpu will execute. * 2) Copy the target function (drmach_shutdown_asm) in which * the cpu will execute into BBSRAM. * 3) Jump into function with BBSRAM. * Function will: * 3.1) Flush its Ecache (displacement). * 3.2) Flush its Dcache with HW mechanism. * 3.3) Flush its Icache with HW mechanism. * 3.4) Flush all valid and _unlocked_ D-TLB entries. * 3.5) Flush all valid and _unlocked_ I-TLB entries. * 3.6) Clear xt_mb to signal completion. Note: cache line is * recovered by drmach_cpu_poweroff(). * 4) Jump into a tight loop. */ #define DRMACH_BBSRAM_OFFSET 0x1000 static void drmach_cpu_stop_self(void) { int cpuid = (int)CPU->cpu_id; tte_t tte; volatile uint_t *src, *dst; uint_t funclen; uint64_t bbsram_pa, bbsram_offset; uint_t bbsram_pfn; uint64_t bbsram_addr; void (*bbsram_func)(uint64_t); extern void drmach_shutdown_asm(uint64_t); extern void drmach_shutdown_asm_end(void); funclen = (uint_t)drmach_shutdown_asm_end - (uint_t)drmach_shutdown_asm; ASSERT(funclen <= MMU_PAGESIZE); /* * We'll start from the 0th's base. */ bbsram_pa = STARFIRE_UPAID2UPS(cpuid) | STARFIRE_PSI_BASE; bbsram_offset = bbsram_pa | 0xfe0ULL; bbsram_pa += ldphysio(bbsram_offset) + DRMACH_BBSRAM_OFFSET; bbsram_pfn = (uint_t)(bbsram_pa >> MMU_PAGESHIFT); bbsram_addr = (uint64_t)drmach_shutdown_va; drmach_shutdown_asm_mbox->estack = bbsram_addr + (uint64_t)funclen; tte.tte_inthi = TTE_VALID_INT | TTE_SZ_INT(TTE8K) | TTE_PFN_INTHI(bbsram_pfn); tte.tte_intlo = TTE_PFN_INTLO(bbsram_pfn) | TTE_HWWR_INT | TTE_PRIV_INT | TTE_LCK_INT; sfmmu_dtlb_ld(drmach_shutdown_va, KCONTEXT, &tte); /* load dtlb */ sfmmu_itlb_ld(drmach_shutdown_va, KCONTEXT, &tte); /* load itlb */ for (src = (uint_t *)drmach_shutdown_asm, dst = (uint_t *)bbsram_addr; src < (uint_t *)drmach_shutdown_asm_end; src++, dst++) *dst = *src; bbsram_func = (void (*)())bbsram_addr; drmach_shutdown_asm_mbox->flushaddr = ecache_flushaddr; drmach_shutdown_asm_mbox->size = (cpunodes[cpuid].ecache_size << 1); drmach_shutdown_asm_mbox->linesize = cpunodes[cpuid].ecache_linesize; drmach_shutdown_asm_mbox->physaddr = va_to_pa((void *)&drmach_xt_mb[cpuid]); /* * Signal to drmach_cpu_poweroff() is via drmach_xt_mb cleared * by asm code */ (*bbsram_func)(va_to_pa((void *)drmach_shutdown_asm_mbox)); } static void drmach_cpu_shutdown_self(void) { cpu_t *cp = CPU; int cpuid = cp->cpu_id; extern void flush_windows(void); flush_windows(); (void) spl8(); ASSERT(cp->cpu_intr_actv == 0); ASSERT(cp->cpu_thread == cp->cpu_idle_thread || cp->cpu_thread == cp->cpu_startup_thread); cp->cpu_flags = CPU_OFFLINE | CPU_QUIESCED | CPU_POWEROFF; drmach_cpu_stop_self(); cmn_err(CE_PANIC, "CPU %d FAILED TO SHUTDOWN", cpuid); } /* a helper routine to keep the math in one place */ static processorid_t drmach_cpu_calc_id(drmach_device_t *dp) { return (dp->bp->bnum * MAX_CPU_UNITS_PER_BOARD + dp->unum); } /* * Move bootproc (SIGBCPU) to another cpu. If dst_cpu is NULL, a * destination cpu is chosen from the set of cpus not located on the * same board as the current bootproc cpu. */ static sbd_error_t * drmach_cpu_juggle_bootproc(drmach_device_t *dst_cpu) { processorid_t cpuid; struct cpu *cp; sbd_error_t *err; int rv; ASSERT(MUTEX_HELD(&cpu_lock)); /* dst_cpu is NULL when target cpu is unspecified. So, pick one. */ if (dst_cpu == NULL) { int avoid_board = DRMACH_CPUID2BNUM(SIGBCPU->cpu_id); int max_cpuid = MAX_BOARDS * MAX_CPU_UNITS_PER_BOARD; for (cpuid = 0; cpuid < max_cpuid; cpuid++) if (DRMACH_CPUID2BNUM(cpuid) != avoid_board) { cp = cpu_get(cpuid); if (cp != NULL && cpu_is_online(cp)) break; } if (cpuid == max_cpuid) { err = drerr_new(1, ESTF_JUGGLE, NULL); return (err); } /* else, cp points to the selected target cpu */ } else { cpuid = drmach_cpu_calc_id(dst_cpu); if ((cp = cpu_get(cpuid)) == NULL) { err = drerr_new(1, ESTF_NODEV, "%s::%s", dst_cpu->bp->cm.name, dst_cpu->cm.name); return (err); } if (cpuid == SIGBCPU->cpu_id) { cmn_err(CE_WARN, "SIGBCPU(%d) same as new selection(%d)", SIGBCPU->cpu_id, cpuid); /* technically not an error, but a no-op */ return (NULL); } } cmn_err(CE_NOTE, "?relocating SIGBCPU from %d to %d", SIGBCPU->cpu_id, cpuid); DRMACH_PR("moving SIGBCPU to CPU %d\n", cpuid); /* * Tell OBP to initialize cvc-offset field of new CPU0 * so that it's in sync with OBP and cvc_server */ prom_starfire_init_console(cpuid); /* * Assign cvc to new cpu0's bbsram for I/O. This has to be * done BEFORE cpu0 is moved via obp, since this logic * will cause obp_helper to switch to a different bbsram for * cvc I/O. We don't want cvc writing to a buffer from which * nobody will pick up the data! */ cvc_assign_iocpu(cpuid); rv = prom_starfire_move_cpu0(cpuid); if (rv == 0) { SIGBCPU = cp; DRMACH_PR("successfully juggled to CPU %d\n", cpuid); return (NULL); } else { DRMACH_PR("prom error: prom_starfire_move_cpu0(%d) " "returned %d\n", cpuid, rv); /* * The move failed, hopefully obp_helper is still back * at the old bootproc. Move cvc back there. */ cvc_assign_iocpu(SIGBCPU->cpu_id); err = drerr_new(1, ESTF_MOVESIGB, "CPU %d", cpuid); return (err); } /*NOTREACHED*/ } static sbd_error_t * drmach_cpu_release(drmachid_t id) { drmach_device_t *dp; processorid_t cpuid; struct cpu *cp; sbd_error_t *err; if (!DRMACH_IS_CPU_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); dp = id; cpuid = drmach_cpu_calc_id(dp); ASSERT(MUTEX_HELD(&cpu_lock)); cp = cpu_get(cpuid); if (cp == NULL) err = DRMACH_INTERNAL_ERROR(); else if (SIGBCPU->cpu_id == cp->cpu_id) err = drmach_cpu_juggle_bootproc(NULL); else err = NULL; return (err); } static sbd_error_t * drmach_cpu_status(drmachid_t id, drmach_status_t *stat) { drmach_device_t *dp; ASSERT(DRMACH_IS_CPU_ID(id)); dp = id; stat->assigned = dp->bp->assigned; stat->powered = dp->bp->powered; mutex_enter(&cpu_lock); stat->configured = (cpu_get(drmach_cpu_calc_id(dp)) != NULL); mutex_exit(&cpu_lock); stat->busy = dp->busy; strncpy(stat->type, dp->type, sizeof (stat->type)); stat->info[0] = '\0'; return (NULL); } sbd_error_t * drmach_cpu_disconnect(drmachid_t id) { drmach_device_t *cpu; int cpuid; int ntries; int p; u_longlong_t pc_addr; uchar_t rvalue; if (!DRMACH_IS_CPU_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); cpu = id; cpuid = drmach_cpu_calc_id(cpu); if (SIGBCPU->cpu_id == cpuid) { /* this cpu is SIGBCPU, can't disconnect */ return (drerr_new(1, ESTF_HASSIGB, "%s::%s", cpu->bp->cm.name, cpu->cm.name)); } /* * Make sure SIGBST_DETACHED is set before * mapping out the sig block. */ ntries = drmach_cpu_ntries; while (!drmach_cpu_obp_is_detached(cpuid) && ntries) { DELAY(drmach_cpu_delay); ntries--; } if (!drmach_cpu_obp_is_detached(cpuid)) { cmn_err(CE_WARN, "failed to mark cpu %d detached in sigblock", cpuid); } /* map out signature block */ if (CPU_SGN_EXISTS(cpuid)) { CPU_SGN_MAPOUT(cpuid); } /* * We now PC IDLE the processor to guarantee we * stop any transactions from coming from it. */ p = cpu->unum & 1; pc_addr = STARFIRE_BB_PC_ADDR(cpu->bp->bnum, cpu->unum, 0); DRMACH_PR("PC idle cpu %d (addr = 0x%llx, port = %d, p = %d)", drmach_cpu_calc_id(cpu), pc_addr, cpu->unum, p); rvalue = ldbphysio(pc_addr); rvalue |= STARFIRE_BB_PC_IDLE(p); stbphysio(pc_addr, rvalue); DELAY(50000); return (NULL); } sbd_error_t * drmach_cpu_get_id(drmachid_t id, processorid_t *cpuid) { drmach_device_t *cpu; if (!DRMACH_IS_CPU_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); cpu = id; *cpuid = drmach_cpu_calc_id(cpu); return (NULL); } sbd_error_t * drmach_cpu_get_impl(drmachid_t id, int *ip) { drmach_device_t *cpu; int impl; if (!DRMACH_IS_CPU_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); cpu = id; if (drmach_node_get_prop(cpu->node, "implementation#", &impl) == -1) { return (DRMACH_INTERNAL_ERROR()); } *ip = impl; return (NULL); } void drmach_cpu_flush_ecache_sync(void) { ASSERT(curthread->t_bound_cpu == CPU); /* * Now let's flush our ecache thereby removing all references * to the target (detaching) memory from all ecache's in * system. */ cpu_flush_ecache(); /* * Delay 100 usec out of paranoia to insure everything * (hardware queues) has drained before we start reprogramming * the hardware. */ DELAY(100); } sbd_error_t * drmach_get_dip(drmachid_t id, dev_info_t **dip) { drmach_device_t *dp; if (!DRMACH_IS_DEVICE_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); dp = id; *dip = drmach_node_get_dip(dp->node); return (NULL); } sbd_error_t * drmach_io_is_attached(drmachid_t id, int *yes) { drmach_device_t *dp; dev_info_t *dip; int state; if (!DRMACH_IS_IO_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); dp = id; dip = drmach_node_get_dip(dp->node); if (dip == NULL) { *yes = 0; return (NULL); } state = ddi_get_devstate(dip); *yes = ((i_ddi_node_state(dip) >= DS_ATTACHED) || (state == DDI_DEVSTATE_UP)); return (NULL); } sbd_error_t * drmach_io_pre_release(drmachid_t id) { if (!DRMACH_IS_IO_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); return (NULL); } static sbd_error_t * drmach_io_release(drmachid_t id) { if (!DRMACH_IS_IO_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); return (NULL); } sbd_error_t * drmach_io_unrelease(drmachid_t id) { if (!DRMACH_IS_IO_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); return (NULL); } /*ARGSUSED*/ sbd_error_t * drmach_io_post_release(drmachid_t id) { return (NULL); } /*ARGSUSED*/ sbd_error_t * drmach_io_post_attach(drmachid_t id) { return (NULL); } static sbd_error_t * drmach_io_status(drmachid_t id, drmach_status_t *stat) { drmach_device_t *dp; sbd_error_t *err; int configured; ASSERT(DRMACH_IS_IO_ID(id)); dp = id; err = drmach_io_is_attached(id, &configured); if (err) return (err); stat->assigned = dp->bp->assigned; stat->powered = dp->bp->powered; stat->configured = (configured != 0); stat->busy = dp->busy; strncpy(stat->type, dp->type, sizeof (stat->type)); stat->info[0] = '\0'; return (NULL); } static sbd_error_t * drmach_mem_new(drmach_device_t *dp) { static sbd_error_t *drmach_mem_release(drmachid_t); static sbd_error_t *drmach_mem_status(drmachid_t, drmach_status_t *); dp->unum = 0; dp->cm.isa = (void *)drmach_mem_new; dp->cm.release = drmach_mem_release; dp->cm.status = drmach_mem_status; snprintf(dp->cm.name, sizeof (dp->cm.name), "%s", dp->type); return (NULL); } sbd_error_t * drmach_mem_add_span(drmachid_t id, uint64_t basepa, uint64_t size) { pfn_t basepfn = (pfn_t)(basepa >> PAGESHIFT); pgcnt_t npages = (pgcnt_t)(size >> PAGESHIFT); pda_handle_t ph; int rv; ASSERT(size != 0); if (!DRMACH_IS_MEM_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); kcage_range_lock(); rv = kcage_range_add(basepfn, npages, 1); kcage_range_unlock(); if (rv == ENOMEM) { cmn_err(CE_WARN, "%ld megabytes not available to kernel cage", (size == 0 ? 0 : size / MBYTE)); } else if (rv != 0) { /* catch this in debug kernels */ ASSERT(0); cmn_err(CE_WARN, "unexpected kcage_range_add" " return value %d", rv); } /* * Update the PDA (post2obp) structure with the * range of the newly added memory. */ ph = drmach_pda_open(); if (ph != NULL) { pda_mem_add_span(ph, basepa, size); pda_close(ph); } return (NULL); } sbd_error_t * drmach_mem_del_span(drmachid_t id, uint64_t basepa, uint64_t size) { drmach_device_t *mem = id; pfn_t basepfn = (pfn_t)(basepa >> PAGESHIFT); pgcnt_t npages = (pgcnt_t)(size >> PAGESHIFT); uint_t mcreg; sbd_error_t *err; pda_handle_t ph; int rv; err = drmach_read_mc_asr(id, &mcreg); if (err) return (err); else if (mcreg & STARFIRE_MC_INTERLEAVE_MASK) { return (drerr_new(1, ESTF_INTERBOARD, "%s::%s", mem->bp->cm.name, mem->cm.name)); } if (size > 0) { kcage_range_lock(); rv = kcage_range_delete_post_mem_del(basepfn, npages); kcage_range_unlock(); if (rv != 0) { cmn_err(CE_WARN, "unexpected kcage_range_delete_post_mem_del" " return value %d", rv); return (DRMACH_INTERNAL_ERROR()); } } /* * Update the PDA (post2obp) structure with the * range of removed memory. */ ph = drmach_pda_open(); if (ph != NULL) { if (size > 0) pda_mem_del_span(ph, basepa, size); /* update PDA to board's new mc register settings */ pda_mem_sync(ph, mem->bp->bnum, 0); pda_close(ph); } return (NULL); } /* support routine for enable and disable */ static sbd_error_t * drmach_mem_update_interconnect(drmachid_t id, uint_t mcreg) { drmach_device_t *dp; pda_handle_t ph; int b; if (!DRMACH_IS_MEM_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); dp = id; ph = drmach_pda_open(); if (ph == NULL) return (DRMACH_INTERNAL_ERROR()); for (b = 0; b < MAX_BOARDS; b++) { int p; int rv; ushort_t bda_proc, bda_ioc; board_desc_t *bdesc; if (pda_board_present(ph, b) == 0) continue; bdesc = (board_desc_t *)pda_get_board_info(ph, b); /* * Update PCs for CPUs. */ /* make sure definition in platmod is in sync with pda */ ASSERT(MAX_PROCMODS == MAX_CPU_UNITS_PER_BOARD); bda_proc = bdesc->bda_proc; for (p = 0; p < MAX_PROCMODS; p++) { if (BDA_NBL(bda_proc, p) != BDAN_GOOD) continue; rv = pc_madr_add(b, dp->bp->bnum, p, mcreg); if (rv) { pda_close(ph); return (DRMACH_INTERNAL_ERROR()); } } /* * Update PCs for IOCs. */ /* make sure definition in platmod is in sync with pda */ ASSERT(MAX_IOCS == MAX_IO_UNITS_PER_BOARD); bda_ioc = bdesc->bda_ioc; for (p = 0; p < MAX_IOCS; p++) { if (BDA_NBL(bda_ioc, p) != BDAN_GOOD) continue; rv = pc_madr_add(b, dp->bp->bnum, p + 4, mcreg); if (rv) { pda_close(ph); return (DRMACH_INTERNAL_ERROR()); } } } pda_close(ph); return (NULL); } sbd_error_t * drmach_mem_disable(drmachid_t id) { sbd_error_t *err; uint_t mcreg; err = drmach_read_mc_asr(id, &mcreg); if (err == NULL) { ASSERT(mcreg & STARFIRE_MC_MEM_PRESENT_MASK); /* Turn off presence bit. */ mcreg &= ~STARFIRE_MC_MEM_PRESENT_MASK; err = drmach_mem_update_interconnect(id, mcreg); if (err == NULL) err = drmach_write_mc_asr(id, mcreg); } return (err); } sbd_error_t * drmach_mem_enable(drmachid_t id) { sbd_error_t *err; uint_t mcreg; err = drmach_read_mc_asr(id, &mcreg); if (err == NULL) { mcreg |= STARFIRE_MC_MEM_PRESENT_MASK; err = drmach_write_mc_asr(id, mcreg); if (err == NULL) err = drmach_mem_update_interconnect(id, mcreg); } return (err); } sbd_error_t * drmach_mem_get_alignment(drmachid_t id, uint64_t *mask) { drmach_device_t *mem; sbd_error_t *err; pnode_t nodeid; if (!DRMACH_IS_MEM_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); mem = id; nodeid = drmach_node_get_dnode(mem->node); if (nodeid == OBP_NONODE || nodeid == OBP_BADNODE) err = DRMACH_INTERNAL_ERROR(); else { uint64_t size; size = mc_get_alignment_mask(nodeid); if (size == (uint64_t)-1) err = DRMACH_INTERNAL_ERROR(); else { *mask = size - 1; err = NULL; } } return (err); } sbd_error_t * drmach_mem_get_base_physaddr(drmachid_t id, uint64_t *pa) { sbd_error_t *err; uint_t mcreg; err = drmach_read_mc_asr(id, &mcreg); if (err == NULL) *pa = mc_asr_to_pa(mcreg); return (err); } /* * Use of this routine after copy/rename will yield incorrect results, * because the OBP MEMAVAIL property will not correctly reflect the * programming of the MCs. */ sbd_error_t * drmach_mem_get_memlist(drmachid_t id, struct memlist **ml) { drmach_device_t *mem; int rv, i, rlen, rblks; sbd_error_t *err; struct memlist *mlist; struct sf_memunit_regspec *rlist; if (!DRMACH_IS_MEM_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); mem = id; err = drmach_device_get_proplen(mem, "dr-available", &rlen); if (err) return (err); rlist = kmem_zalloc(rlen, KM_SLEEP); err = drmach_device_get_prop(mem, "dr-available", rlist); if (err) { kmem_free(rlist, rlen); return (err); } mlist = NULL; rblks = rlen / sizeof (struct sf_memunit_regspec); for (i = 0; i < rblks; i++) { uint64_t addr, size; addr = (uint64_t)rlist[i].regspec_addr_hi << 32; addr |= (uint64_t)rlist[i].regspec_addr_lo; size = (uint64_t)rlist[i].regspec_size_hi << 32; size |= (uint64_t)rlist[i].regspec_size_lo; mlist = memlist_add_span(mlist, addr, size); } kmem_free(rlist, rlen); /* * Make sure the incoming memlist doesn't already * intersect with what's present in the system (phys_install). */ memlist_read_lock(); rv = memlist_intersect(phys_install, mlist); memlist_read_unlock(); if (rv) { #ifdef DEBUG DRMACH_PR("OBP derived memlist intersects" " with phys_install\n"); memlist_dump(mlist); DRMACH_PR("phys_install memlist:\n"); memlist_dump(phys_install); #endif memlist_delete(mlist); return (DRMACH_INTERNAL_ERROR()); } #ifdef DEBUG DRMACH_PR("OBP derived memlist:"); memlist_dump(mlist); #endif *ml = mlist; return (NULL); } sbd_error_t * drmach_mem_get_size(drmachid_t id, uint64_t *bytes) { drmach_device_t *mem; pda_handle_t ph; pgcnt_t npages; if (!DRMACH_IS_MEM_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); mem = id; ph = drmach_pda_open(); if (ph == NULL) return (DRMACH_INTERNAL_ERROR()); npages = pda_get_mem_size(ph, mem->bp->bnum); *bytes = (uint64_t)npages << PAGESHIFT; pda_close(ph); return (NULL); } sbd_error_t * drmach_mem_get_slice_size(drmachid_t id, uint64_t *bytes) { if (!DRMACH_IS_MEM_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); *bytes = mc_get_mem_alignment(); return (NULL); } /* field debugging tool */ processorid_t drmach_mem_cpu_affinity_nail = 0; processorid_t drmach_mem_cpu_affinity(drmachid_t id) { drmach_device_t *mp; drmach_board_t *bp; processorid_t cpuid; if (!DRMACH_IS_MEM_ID(id)) return (CPU_CURRENT); if (drmach_mem_cpu_affinity_nail) { cpuid = drmach_mem_cpu_affinity_nail; if (cpuid < 0 || cpuid > NCPU) return (CPU_CURRENT); mutex_enter(&cpu_lock); if (cpu[cpuid] == NULL || !CPU_ACTIVE(cpu[cpuid])) cpuid = CPU_CURRENT; mutex_exit(&cpu_lock); return (cpuid); } /* try to choose a proc on the target board */ mp = id; bp = mp->bp; if (bp->devices) { int rv; int d_idx; drmachid_t d_id; rv = drmach_array_first(bp->devices, &d_idx, &d_id); while (rv == 0) { if (DRMACH_IS_CPU_ID(d_id)) { cpuid = drmach_cpu_calc_id(d_id); mutex_enter(&cpu_lock); if (cpu[cpuid] && CPU_ACTIVE(cpu[cpuid])) { mutex_exit(&cpu_lock); DRMACH_PR("drmach_mem_cpu_affinity: " "selected cpuid=%d\n", cpuid); return (cpuid); } else { mutex_exit(&cpu_lock); } } rv = drmach_array_next(bp->devices, &d_idx, &d_id); } } /* otherwise, this proc, wherever it is */ DRMACH_PR("drmach_mem_cpu_affinity: using default CPU_CURRENT\n"); return (CPU_CURRENT); } static sbd_error_t * drmach_mem_release(drmachid_t id) { if (!DRMACH_IS_MEM_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); return (NULL); } static sbd_error_t * drmach_mem_status(drmachid_t id, drmach_status_t *stat) { drmach_device_t *dp; sbd_error_t *err; uint64_t pa, slice_size; struct memlist *ml; ASSERT(DRMACH_IS_MEM_ID(id)); dp = id; /* get starting physical address of target memory */ err = drmach_mem_get_base_physaddr(id, &pa); if (err) return (err); /* round down to slice boundary */ slice_size = mc_get_mem_alignment(); pa &= ~ (slice_size - 1); /* stop at first span that is in slice */ memlist_read_lock(); for (ml = phys_install; ml; ml = ml->next) if (ml->address >= pa && ml->address < pa + slice_size) break; memlist_read_unlock(); stat->assigned = dp->bp->assigned; stat->powered = dp->bp->powered; stat->configured = (ml != NULL); stat->busy = dp->busy; strncpy(stat->type, dp->type, sizeof (stat->type)); stat->info[0] = '\0'; return (NULL); } static int drmach_detach_board(void *arg) { cpuset_t cset; int retval; drmach_board_t *bp = (drmach_board_t *)arg; cset = cpu_ready_set; promsafe_xc_attention(cset); retval = prom_starfire_rm_brd(bp->bnum); xc_dismissed(cset); return (retval); } sbd_error_t * drmach_board_deprobe(drmachid_t id) { drmach_board_t *bp; int retval; if (!DRMACH_IS_BOARD_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); bp = id; cmn_err(CE_CONT, "DR: PROM detach board %d\n", bp->bnum); retval = prom_tree_update(drmach_detach_board, bp); if (retval == 0) return (NULL); else { cmn_err(CE_WARN, "prom error: prom_starfire_rm_brd(%d) " "returned %d", bp->bnum, retval); return (drerr_new(1, ESTF_DEPROBE, "%s", bp->cm.name)); } } /*ARGSUSED*/ static sbd_error_t * drmach_pt_juggle_bootproc(drmachid_t id, drmach_opts_t *opts) { drmach_device_t *cpu; sbd_error_t *err; if (!DRMACH_IS_CPU_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); cpu = id; mutex_enter(&cpu_lock); err = drmach_cpu_juggle_bootproc(cpu); mutex_exit(&cpu_lock); return (err); } /*ARGSUSED*/ static sbd_error_t * drmach_pt_dump_pdainfo(drmachid_t id, drmach_opts_t *opts) { drmach_board_t *bp; int board; int i; pda_handle_t ph; board_desc_t *bdesc; if (!DRMACH_IS_BOARD_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); bp = id; board = bp->bnum; ph = drmach_pda_open(); if (ph == NULL) return (DRMACH_INTERNAL_ERROR()); if (pda_board_present(ph, board) == 0) { cmn_err(CE_CONT, "board %d is MISSING\n", board); pda_close(ph); return (DRMACH_INTERNAL_ERROR()); } cmn_err(CE_CONT, "board %d is PRESENT\n", board); bdesc = (board_desc_t *)pda_get_board_info(ph, board); if (bdesc == NULL) { cmn_err(CE_CONT, "no board descriptor found for board %d\n", board); pda_close(ph); return (DRMACH_INTERNAL_ERROR()); } /* make sure definition in platmod is in sync with pda */ ASSERT(MAX_PROCMODS == MAX_CPU_UNITS_PER_BOARD); for (i = 0; i < MAX_PROCMODS; i++) { if (BDA_NBL(bdesc->bda_proc, i) == BDAN_GOOD) cmn_err(CE_CONT, "proc %d.%d PRESENT\n", board, i); else cmn_err(CE_CONT, "proc %d.%d MISSING\n", board, i); } for (i = 0; i < MAX_MGROUPS; i++) { if (BDA_NBL(bdesc->bda_mgroup, i) == BDAN_GOOD) cmn_err(CE_CONT, "mgroup %d.%d PRESENT\n", board, i); else cmn_err(CE_CONT, "mgroup %d.%d MISSING\n", board, i); } /* make sure definition in platmod is in sync with pda */ ASSERT(MAX_IOCS == MAX_IO_UNITS_PER_BOARD); for (i = 0; i < MAX_IOCS; i++) { int s; if (BDA_NBL(bdesc->bda_ioc, i) == BDAN_GOOD) { cmn_err(CE_CONT, "ioc %d.%d PRESENT\n", board, i); for (s = 0; s < MAX_SLOTS_PER_IOC; s++) { if (BDA_NBL(bdesc->bda_ios[i], s) != BDAN_GOOD) continue; cmn_err(CE_CONT, "..scard %d.%d.%d PRESENT\n", board, i, s); } } else { cmn_err(CE_CONT, "ioc %d.%d MISSING\n", board, i); } } cmn_err(CE_CONT, "board %d memsize = %d pages\n", board, pda_get_mem_size(ph, board)); pda_close(ph); return (NULL); } /*ARGSUSED*/ sbd_error_t * drmach_pt_readmem(drmachid_t id, drmach_opts_t *opts) { struct memlist *ml; uint64_t src_pa; uint64_t dst_pa; uint64_t dst; dst_pa = va_to_pa(&dst); memlist_read_lock(); for (ml = phys_install; ml; ml = ml->next) { uint64_t nbytes; src_pa = ml->address; nbytes = ml->size; while (nbytes != 0ull) { /* copy 32 bytes at arc_pa to dst_pa */ bcopy32_il(src_pa, dst_pa); /* increment by 32 bytes */ src_pa += (4 * sizeof (uint64_t)); /* decrement by 32 bytes */ nbytes -= (4 * sizeof (uint64_t)); } } memlist_read_unlock(); return (NULL); } static struct { const char *name; sbd_error_t *(*handler)(drmachid_t id, drmach_opts_t *opts); } drmach_pt_arr[] = { { "juggle", drmach_pt_juggle_bootproc }, { "pda", drmach_pt_dump_pdainfo }, { "readmem", drmach_pt_readmem }, /* the following line must always be last */ { NULL, NULL } }; /*ARGSUSED*/ sbd_error_t * drmach_passthru(drmachid_t id, drmach_opts_t *opts) { int i; sbd_error_t *err; i = 0; while (drmach_pt_arr[i].name != NULL) { int len = strlen(drmach_pt_arr[i].name); if (strncmp(drmach_pt_arr[i].name, opts->copts, len) == 0) break; i += 1; } if (drmach_pt_arr[i].name == NULL) err = drerr_new(0, ESTF_UNKPTCMD, opts->copts); else err = (*drmach_pt_arr[i].handler)(id, opts); return (err); } sbd_error_t * drmach_release(drmachid_t id) { drmach_common_t *cp; if (!DRMACH_IS_DEVICE_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); cp = id; return (cp->release(id)); } sbd_error_t * drmach_status(drmachid_t id, drmach_status_t *stat) { drmach_common_t *cp; if (!DRMACH_IS_ID(id)) return (drerr_new(0, ESTF_NOTID, NULL)); cp = id; return (cp->status(id, stat)); } sbd_error_t * drmach_unconfigure(drmachid_t id, int flags) { drmach_device_t *dp; pnode_t nodeid; dev_info_t *dip, *fdip = NULL; uint_t ddi_flags; if (!DRMACH_IS_DEVICE_ID(id)) return (drerr_new(0, ESTF_INAPPROP, NULL)); dp = id; nodeid = drmach_node_get_dnode(dp->node); if (nodeid == OBP_NONODE) return (DRMACH_INTERNAL_ERROR()); dip = e_ddi_nodeid_to_dip(nodeid); if (dip == NULL) return (NULL); /* * Branch already held, so hold acquired in * e_ddi_nodeid_to_dip() can be released */ ddi_release_devi(dip); ddi_flags = 0; if (flags & DRMACH_DEVI_REMOVE) ddi_flags |= DEVI_BRANCH_DESTROY | DEVI_BRANCH_EVENT; /* * Force flag is no longer necessary. See starcat/io/drmach.c * for details. */ ASSERT(e_ddi_branch_held(dip)); if (e_ddi_branch_unconfigure(dip, &fdip, ddi_flags)) { sbd_error_t *err; char *path = kmem_alloc(MAXPATHLEN, KM_SLEEP); /* * If non-NULL, fdip is returned held and must be released. */ if (fdip != NULL) { (void) ddi_pathname(fdip, path); ndi_rele_devi(fdip); } else { (void) ddi_pathname(dip, path); } err = drerr_new(1, ESTF_DRVFAIL, path); kmem_free(path, MAXPATHLEN); return (err); } return (NULL); } /* * drmach interfaces to legacy Starfire platmod logic * linkage via runtime symbol look up, called from plat_cpu_power* */ /* * Start up a cpu. It is possible that we're attempting to restart * the cpu after an UNCONFIGURE in which case the cpu will be * spinning in its cache. So, all we have to do is wakeup him up. * Under normal circumstances the cpu will be coming from a previous * CONNECT and thus will be spinning in OBP. In both cases, the * startup sequence is the same. */ int drmach_cpu_poweron(struct cpu *cp) { DRMACH_PR("drmach_cpu_poweron: starting cpuid %d\n", cp->cpu_id); ASSERT(MUTEX_HELD(&cpu_lock)); if (drmach_cpu_start(cp) != 0) return (EBUSY); else return (0); } int drmach_cpu_poweroff(struct cpu *cp) { int ntries, cnt; processorid_t cpuid = cp->cpu_id; void drmach_cpu_shutdown_self(void); DRMACH_PR("drmach_cpu_poweroff: stopping cpuid %d\n", cp->cpu_id); ASSERT(MUTEX_HELD(&cpu_lock)); /* * Capture all CPUs (except for detaching proc) to prevent * crosscalls to the detaching proc until it has cleared its * bit in cpu_ready_set. * * The CPU's remain paused and the prom_mutex is known to be free. * This prevents the x-trap victim from blocking when doing prom * IEEE-1275 calls at a high PIL level. */ promsafe_pause_cpus(); /* * Quiesce interrupts on the target CPU. We do this by setting * the CPU 'not ready'- (i.e. removing the CPU from cpu_ready_set) to * prevent it from receiving cross calls and cross traps. * This prevents the processor from receiving any new soft interrupts. */ mp_cpu_quiesce(cp); /* setup xt_mb, will be cleared by drmach_shutdown_asm when ready */ drmach_xt_mb[cpuid] = 0x80; xt_one_unchecked(cpuid, (xcfunc_t *)idle_stop_xcall, (uint64_t)drmach_cpu_shutdown_self, NULL); ntries = drmach_cpu_ntries; cnt = 0; while (drmach_xt_mb[cpuid] && ntries) { DELAY(drmach_cpu_delay); ntries--; cnt++; } drmach_xt_mb[cpuid] = 0; /* steal the cache line back */ start_cpus(); DRMACH_PR("waited %d out of %d tries for " "drmach_cpu_shutdown_self on cpu%d", drmach_cpu_ntries - ntries, drmach_cpu_ntries, cp->cpu_id); drmach_cpu_obp_detach(cpuid); CPU_SIGNATURE(OS_SIG, SIGST_DETACHED, SIGSUBST_NULL, cpuid); return (0); } /*ARGSUSED*/ int drmach_verify_sr(dev_info_t *dip, int sflag) { return (0); } void drmach_suspend_last(void) { } void drmach_resume_first(void) { } /* * Log a DR sysevent. * Return value: 0 success, non-zero failure. */ int drmach_log_sysevent(int board, char *hint, int flag, int verbose) { sysevent_t *ev; sysevent_id_t eid; int rv, km_flag; sysevent_value_t evnt_val; sysevent_attr_list_t *evnt_attr_list = NULL; char attach_pnt[MAXNAMELEN]; km_flag = (flag == SE_SLEEP) ? KM_SLEEP : KM_NOSLEEP; attach_pnt[0] = '\0'; if (drmach_board_name(board, attach_pnt, MAXNAMELEN)) { rv = -1; goto logexit; } if (verbose) DRMACH_PR("drmach_log_sysevent: %s %s, flag: %d, verbose: %d\n", attach_pnt, hint, flag, verbose); if ((ev = sysevent_alloc(EC_DR, ESC_DR_AP_STATE_CHANGE, SUNW_KERN_PUB"dr", km_flag)) == NULL) { rv = -2; goto logexit; } evnt_val.value_type = SE_DATA_TYPE_STRING; evnt_val.value.sv_string = attach_pnt; if ((rv = sysevent_add_attr(&evnt_attr_list, DR_AP_ID, &evnt_val, km_flag)) != 0) goto logexit; evnt_val.value_type = SE_DATA_TYPE_STRING; evnt_val.value.sv_string = hint; if ((rv = sysevent_add_attr(&evnt_attr_list, DR_HINT, &evnt_val, km_flag)) != 0) { sysevent_free_attr(evnt_attr_list); goto logexit; } (void) sysevent_attach_attributes(ev, evnt_attr_list); /* * Log the event but do not sleep waiting for its * delivery. This provides insulation from syseventd. */ rv = log_sysevent(ev, SE_NOSLEEP, &eid); logexit: if (ev) sysevent_free(ev); if ((rv != 0) && verbose) cmn_err(CE_WARN, "drmach_log_sysevent failed (rv %d) for %s %s\n", rv, attach_pnt, hint); return (rv); } /*ARGSUSED*/ int drmach_allow_memrange_modify(drmachid_t id) { return (1); /* TRUE */ }