/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (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 2008 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 "nvpair.h" #define DEVINFO_TREE_INDENT 4 /* Indent for devs one down in tree */ #define DEVINFO_PROP_INDENT 4 /* Indent for properties */ #define DEVINFO_PROPLIST_INDENT 8 /* Indent for properties lists */ /* * Options for prtconf/devinfo dcmd. */ #define DEVINFO_VERBOSE 0x1 #define DEVINFO_PARENT 0x2 #define DEVINFO_CHILD 0x4 #define DEVINFO_ALLBOLD 0x8 #define DEVINFO_SUMMARY 0x10 /* * devinfo node state map. Used by devinfo() and devinfo_audit(). * Long words are deliberately truncated so that output * fits in 80 column with 64-bit addresses. */ static const char *const di_state[] = { "DS_INVAL", "DS_PROTO", "DS_LINKED", "DS_BOUND", "DS_INITIA", "DS_PROBED", "DS_ATTACH", "DS_READY", "?" }; #define DI_STATE_MAX ((sizeof (di_state) / sizeof (char *)) - 1) void prtconf_help(void) { mdb_printf("Prints the devinfo tree from a given node.\n" "Without the address of a \"struct devinfo\" given, " "prints from the root;\n" "with an address, prints the parents of, " "and all children of, that address.\n\n" "Switches:\n" " -v be verbose - print device property lists\n" " -p only print the ancestors of the given node\n" " -c only print the children of the given node\n"); } void devinfo_help(void) { mdb_printf("Switches:\n" " -q be quiet - don't print device property lists\n" " -s print summary of dev_info structures\n"); } /* * Devinfo walker. */ typedef struct { /* * The "struct dev_info" must be the first thing in this structure. */ struct dev_info din_dev; /* * This is for the benefit of prtconf(). */ int din_depth; } devinfo_node_t; typedef struct devinfo_parents_walk_data { devinfo_node_t dip_node; #define dip_dev dip_node.din_dev #define dip_depth dip_node.din_depth struct dev_info *dip_end; /* * The following three elements are for walking the parents of a node: * "dip_base_depth" is the depth of the given node from the root. * This starts at 1 (if we're walking devinfo_root), because * it's the size of the dip_parent_{nodes,addresses} arrays, * and has to include the given node. * "dip_parent_nodes" is a collection of the parent node structures, * already read in via mdb_vread(). dip_parent_nodes[0] is the * root, dip_parent_nodes[1] is a child of the root, etc. * "dip_parent_addresses" holds the vaddrs of all the parent nodes. */ int dip_base_depth; devinfo_node_t *dip_parent_nodes; uintptr_t *dip_parent_addresses; } devinfo_parents_walk_data_t; int devinfo_parents_walk_init(mdb_walk_state_t *wsp) { devinfo_parents_walk_data_t *dip; uintptr_t addr; uintptr_t devinfo_root; /* Address of root of devinfo tree */ int i; if (mdb_readvar(&devinfo_root, "top_devinfo") == -1) { mdb_warn("failed to read 'top_devinfo'"); return (NULL); } if (wsp->walk_addr == NULL) wsp->walk_addr = devinfo_root; addr = wsp->walk_addr; dip = mdb_alloc(sizeof (devinfo_parents_walk_data_t), UM_SLEEP); wsp->walk_data = dip; dip->dip_end = (struct dev_info *)wsp->walk_addr; dip->dip_depth = 0; dip->dip_base_depth = 1; do { if (mdb_vread(&dip->dip_dev, sizeof (dip->dip_dev), addr) == -1) { mdb_warn("failed to read devinfo at %p", addr); mdb_free(dip, sizeof (devinfo_parents_walk_data_t)); wsp->walk_data = NULL; return (WALK_ERR); } addr = (uintptr_t)dip->dip_dev.devi_parent; if (addr != 0) dip->dip_base_depth++; } while (addr != 0); addr = wsp->walk_addr; dip->dip_parent_nodes = mdb_alloc( dip->dip_base_depth * sizeof (devinfo_node_t), UM_SLEEP); dip->dip_parent_addresses = mdb_alloc( dip->dip_base_depth * sizeof (uintptr_t), UM_SLEEP); for (i = dip->dip_base_depth - 1; i >= 0; i--) { if (mdb_vread(&dip->dip_parent_nodes[i].din_dev, sizeof (struct dev_info), addr) == -1) { mdb_warn("failed to read devinfo at %p", addr); return (WALK_ERR); } dip->dip_parent_nodes[i].din_depth = i; dip->dip_parent_addresses[i] = addr; addr = (uintptr_t) dip->dip_parent_nodes[i].din_dev.devi_parent; } return (WALK_NEXT); } int devinfo_parents_walk_step(mdb_walk_state_t *wsp) { devinfo_parents_walk_data_t *dip = wsp->walk_data; int status; if (dip->dip_depth == dip->dip_base_depth) return (WALK_DONE); status = wsp->walk_callback( dip->dip_parent_addresses[dip->dip_depth], &dip->dip_parent_nodes[dip->dip_depth], wsp->walk_cbdata); dip->dip_depth++; return (status); } void devinfo_parents_walk_fini(mdb_walk_state_t *wsp) { devinfo_parents_walk_data_t *dip = wsp->walk_data; mdb_free(dip->dip_parent_nodes, dip->dip_base_depth * sizeof (devinfo_node_t)); mdb_free(dip->dip_parent_addresses, dip->dip_base_depth * sizeof (uintptr_t)); mdb_free(wsp->walk_data, sizeof (devinfo_parents_walk_data_t)); } typedef struct devinfo_children_walk_data { devinfo_node_t dic_node; #define dic_dev dic_node.din_dev #define dic_depth dic_node.din_depth struct dev_info *dic_end; int dic_print_first_node; } devinfo_children_walk_data_t; int devinfo_children_walk_init(mdb_walk_state_t *wsp) { devinfo_children_walk_data_t *dic; uintptr_t devinfo_root; /* Address of root of devinfo tree */ if (mdb_readvar(&devinfo_root, "top_devinfo") == -1) { mdb_warn("failed to read 'top_devinfo'"); return (NULL); } if (wsp->walk_addr == NULL) wsp->walk_addr = devinfo_root; dic = mdb_alloc(sizeof (devinfo_children_walk_data_t), UM_SLEEP); wsp->walk_data = dic; dic->dic_end = (struct dev_info *)wsp->walk_addr; /* * This could be set by devinfo_walk_init(). */ if (wsp->walk_arg != NULL) { dic->dic_depth = (*(int *)wsp->walk_arg - 1); dic->dic_print_first_node = 0; } else { dic->dic_depth = 0; dic->dic_print_first_node = 1; } return (WALK_NEXT); } int devinfo_children_walk_step(mdb_walk_state_t *wsp) { devinfo_children_walk_data_t *dic = wsp->walk_data; struct dev_info *v; devinfo_node_t *cur; uintptr_t addr = wsp->walk_addr; int status = WALK_NEXT; if (wsp->walk_addr == NULL) return (WALK_DONE); if (mdb_vread(&dic->dic_dev, sizeof (dic->dic_dev), addr) == -1) { mdb_warn("failed to read devinfo at %p", addr); return (WALK_DONE); } cur = &dic->dic_node; if (dic->dic_print_first_node == 0) dic->dic_print_first_node = 1; else status = wsp->walk_callback(addr, cur, wsp->walk_cbdata); /* * "v" is always a virtual address pointer, * i.e. can't be deref'ed. */ v = (struct dev_info *)addr; if (dic->dic_dev.devi_child != NULL) { v = dic->dic_dev.devi_child; dic->dic_depth++; } else if (dic->dic_dev.devi_sibling != NULL && v != dic->dic_end) { v = dic->dic_dev.devi_sibling; } else { while (v != NULL && v != dic->dic_end && dic->dic_dev.devi_sibling == NULL) { v = dic->dic_dev.devi_parent; if (v == NULL) break; mdb_vread(&dic->dic_dev, sizeof (struct dev_info), (uintptr_t)v); dic->dic_depth--; } if (v != NULL && v != dic->dic_end) v = dic->dic_dev.devi_sibling; if (v == dic->dic_end) v = NULL; /* Done */ } wsp->walk_addr = (uintptr_t)v; return (status); } void devinfo_children_walk_fini(mdb_walk_state_t *wsp) { mdb_free(wsp->walk_data, sizeof (devinfo_children_walk_data_t)); } typedef struct devinfo_walk_data { mdb_walk_state_t diw_parent, diw_child; enum { DIW_PARENT, DIW_CHILD, DIW_DONE } diw_mode; } devinfo_walk_data_t; int devinfo_walk_init(mdb_walk_state_t *wsp) { devinfo_walk_data_t *diw; devinfo_parents_walk_data_t *dip; diw = mdb_alloc(sizeof (devinfo_walk_data_t), UM_SLEEP); diw->diw_parent = *wsp; diw->diw_child = *wsp; wsp->walk_data = diw; diw->diw_mode = DIW_PARENT; if (devinfo_parents_walk_init(&diw->diw_parent) == -1) { mdb_free(diw, sizeof (devinfo_walk_data_t)); return (WALK_ERR); } /* * This is why the "devinfo" walker needs to be marginally * complicated - the child walker needs this initialization * data, and the best way to get it is out of the parent walker. */ dip = diw->diw_parent.walk_data; diw->diw_child.walk_arg = &dip->dip_base_depth; if (devinfo_children_walk_init(&diw->diw_child) == -1) { devinfo_parents_walk_fini(&diw->diw_parent); mdb_free(diw, sizeof (devinfo_walk_data_t)); return (WALK_ERR); } return (WALK_NEXT); } int devinfo_walk_step(mdb_walk_state_t *wsp) { devinfo_walk_data_t *diw = wsp->walk_data; int status = WALK_NEXT; if (diw->diw_mode == DIW_PARENT) { status = devinfo_parents_walk_step(&diw->diw_parent); if (status != WALK_NEXT) { /* * Keep on going even if the parents walk hit an error. */ diw->diw_mode = DIW_CHILD; status = WALK_NEXT; } } else if (diw->diw_mode == DIW_CHILD) { status = devinfo_children_walk_step(&diw->diw_child); if (status != WALK_NEXT) { diw->diw_mode = DIW_DONE; status = WALK_DONE; } } else status = WALK_DONE; return (status); } void devinfo_walk_fini(mdb_walk_state_t *wsp) { devinfo_walk_data_t *diw = wsp->walk_data; devinfo_children_walk_fini(&diw->diw_child); devinfo_parents_walk_fini(&diw->diw_parent); mdb_free(diw, sizeof (devinfo_walk_data_t)); } /* * Given a devinfo pointer, figure out which driver is associated * with the node (by driver name, from the devnames array). */ /*ARGSUSED*/ int devinfo2driver(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { char dname[MODMAXNAMELEN + 1]; struct dev_info devi; if (!(flags & DCMD_ADDRSPEC)) return (DCMD_USAGE); if (mdb_vread(&devi, sizeof (devi), addr) == -1) { mdb_warn("failed to read devinfo struct at %p", addr); return (DCMD_ERR); } if (devi.devi_node_state < DS_ATTACHED) { /* No driver attached to this devinfo - nothing to do. */ mdb_warn("%p: No driver attached to this devinfo node\n", addr); return (DCMD_ERR); } if (mdb_devinfo2driver(addr, dname, sizeof (dname)) != 0) { mdb_warn("failed to determine driver name"); return (DCMD_ERR); } mdb_printf("Driver '%s' is associated with devinfo %p.\n", dname, addr); return (DCMD_OK); } typedef struct devnames_walk { struct devnames *dnw_names; int dnw_ndx; int dnw_devcnt; uintptr_t dnw_base; uintptr_t dnw_size; } devnames_walk_t; int devnames_walk_init(mdb_walk_state_t *wsp) { devnames_walk_t *dnw; int devcnt; uintptr_t devnamesp; if (wsp->walk_addr != NULL) { mdb_warn("devnames walker only supports global walks\n"); return (WALK_ERR); } if (mdb_readvar(&devcnt, "devcnt") == -1) { mdb_warn("failed to read 'devcnt'"); return (WALK_ERR); } if (mdb_readvar(&devnamesp, "devnamesp") == -1) { mdb_warn("failed to read 'devnamesp'"); return (WALK_ERR); } dnw = mdb_zalloc(sizeof (devnames_walk_t), UM_SLEEP); dnw->dnw_size = sizeof (struct devnames) * devcnt; dnw->dnw_devcnt = devcnt; dnw->dnw_base = devnamesp; dnw->dnw_names = mdb_alloc(dnw->dnw_size, UM_SLEEP); if (mdb_vread(dnw->dnw_names, dnw->dnw_size, dnw->dnw_base) == -1) { mdb_warn("couldn't read devnames array at %p", devnamesp); return (WALK_ERR); } wsp->walk_data = dnw; return (WALK_NEXT); } int devnames_walk_step(mdb_walk_state_t *wsp) { devnames_walk_t *dnw = wsp->walk_data; int status; if (dnw->dnw_ndx == dnw->dnw_devcnt) return (WALK_DONE); status = wsp->walk_callback(dnw->dnw_ndx * sizeof (struct devnames) + dnw->dnw_base, &dnw->dnw_names[dnw->dnw_ndx], wsp->walk_cbdata); dnw->dnw_ndx++; return (status); } void devnames_walk_fini(mdb_walk_state_t *wsp) { devnames_walk_t *dnw = wsp->walk_data; mdb_free(dnw->dnw_names, dnw->dnw_size); mdb_free(dnw, sizeof (devnames_walk_t)); } int devinfo_siblings_walk_init(mdb_walk_state_t *wsp) { struct dev_info di; uintptr_t addr = wsp->walk_addr; if (addr == NULL) { mdb_warn("a dev_info struct address must be provided\n"); return (WALK_ERR); } if (mdb_vread(&di, sizeof (di), addr) == -1) { mdb_warn("failed to read dev_info struct at %p", addr); return (WALK_ERR); } if (di.devi_parent == NULL) { mdb_warn("no parent for devinfo at %p", addr); return (WALK_DONE); } if (mdb_vread(&di, sizeof (di), (uintptr_t)di.devi_parent) == -1) { mdb_warn("failed to read parent dev_info struct at %p", (uintptr_t)di.devi_parent); return (WALK_ERR); } wsp->walk_addr = (uintptr_t)di.devi_child; return (WALK_NEXT); } int devinfo_siblings_walk_step(mdb_walk_state_t *wsp) { struct dev_info di; uintptr_t addr = wsp->walk_addr; if (addr == NULL) return (WALK_DONE); if (mdb_vread(&di, sizeof (di), addr) == -1) { mdb_warn("failed to read dev_info struct at %p", addr); return (WALK_DONE); } wsp->walk_addr = (uintptr_t)di.devi_sibling; return (wsp->walk_callback(addr, &di, wsp->walk_cbdata)); } int devi_next_walk_step(mdb_walk_state_t *wsp) { struct dev_info di; int status; if (wsp->walk_addr == NULL) return (WALK_DONE); if (mdb_vread(&di, sizeof (di), wsp->walk_addr) == -1) return (WALK_DONE); status = wsp->walk_callback(wsp->walk_addr, &di, wsp->walk_cbdata); wsp->walk_addr = (uintptr_t)di.devi_next; return (status); } /* * Helper functions. */ static int is_printable_string(unsigned char *prop_value) { while (*prop_value != 0) if (!isprint(*prop_value++)) return (0); return (1); } static void devinfo_print_props_type(int type) { char *type_str = NULL; switch (type) { case DDI_PROP_TYPE_ANY: type_str = "any"; break; case DDI_PROP_TYPE_COMPOSITE: type_str = "composite"; break; case DDI_PROP_TYPE_INT64: type_str = "int64"; break; case DDI_PROP_TYPE_INT: type_str = "int"; break; case DDI_PROP_TYPE_BYTE: type_str = "byte"; break; case DDI_PROP_TYPE_STRING: type_str = "string"; break; } if (type_str != NULL) mdb_printf("type=%s", type_str); else mdb_printf("type=0x%x", type); } static void devinfo_print_props_value(int elem_size, int nelem, unsigned char *prop_value, int prop_value_len) { int i; mdb_printf("value="); if (elem_size == 0) { /* if elem_size == 0, then we are printing out string(s) */ char *p = (char *)prop_value; for (i = 0; i < nelem - 1; i++) { mdb_printf("'%s' + ", p); p += strlen(p) + 1; } mdb_printf("'%s'", p); } else { /* * if elem_size != 0 then we are printing out an array * where each element is of elem_size */ mdb_nhconvert(prop_value, prop_value, elem_size); mdb_printf("%02x", *prop_value); for (i = 1; i < prop_value_len; i++) { if ((i % elem_size) == 0) { mdb_nhconvert(&prop_value[i], &prop_value[i], elem_size); mdb_printf("."); } mdb_printf("%02x", prop_value[i]); } } } /* * devinfo_print_props_guess() * Guesses how to interpret the value of the property * * Params: * type - Should be the type value of the property * prop_val - Pointer to the property value data buffer * prop_len - Length of the property value data buffer * * Return values: * nelem - The number of elements stored in the property value * data buffer pointed to by prop_val. * elem_size - The size (in bytes) of the elements stored in the property * value data buffer pointed to by prop_val. * Upon return if elem_size == 0 and nelem != 0 then * the property value data buffer contains strings * len_err - There was an error with the length of the data buffer. * Its size is not a multiple of the array value type. * It will be interpreted as an array of bytes. */ static void devinfo_print_props_guess(int type, unsigned char *prop_val, int prop_len, int *elem_size, int *nelem, int *len_err) { *len_err = 0; if (prop_len == NULL) { *elem_size = 0; *nelem = 0; return; } /* by default, assume an array of bytes */ *elem_size = 1; *nelem = prop_len; switch (type) { case DDI_PROP_TYPE_BYTE: /* default case, that was easy */ break; case DDI_PROP_TYPE_INT64: if ((prop_len % sizeof (int64_t)) == 0) { *elem_size = sizeof (int64_t); *nelem = prop_len / *elem_size; } else { /* array is not a multiple of type size, error */ *len_err = 1; } break; case DDI_PROP_TYPE_INT: if ((prop_len % sizeof (int)) == 0) { *elem_size = sizeof (int); *nelem = prop_len / *elem_size; } else { /* array is not a multiple of type size, error */ *len_err = 1; } break; case DDI_PROP_TYPE_STRING: case DDI_PROP_TYPE_COMPOSITE: case DDI_PROP_TYPE_ANY: default: /* * if we made it here the type is either unknown * or a string. Try to interpret is as a string * and if that fails assume an array of bytes. */ if (prop_val[prop_len - 1] == '\0') { unsigned char *s = prop_val; int i; /* assume an array of strings */ *elem_size = 0; *nelem = 0; for (i = 0; i < prop_len; i++) { if (prop_val[i] != '\0') continue; /* * If the property is typed as a string * property, then interpret empty strings * as strings. Otherwise default to an * array of bytes. If there are unprintable * characters, always default to an array of * bytes. */ if ((*s == '\0' && type != DDI_PROP_TYPE_STRING) || !is_printable_string(s)) { *elem_size = 1; *nelem = prop_len; break; } (*nelem)++; s = &prop_val[i + 1]; } } break; } } static void devinfo_print_props(char *name, ddi_prop_t *p) { if (p == NULL) return; if (name != NULL) mdb_printf("%s ", name); mdb_printf("properties at %p:\n", p); mdb_inc_indent(DEVINFO_PROP_INDENT); while (p != NULL) { ddi_prop_t prop; char prop_name[128]; unsigned char *prop_value; int type, elem_size, nelem, prop_len_error; /* read in the property struct */ if (mdb_vread(&prop, sizeof (prop), (uintptr_t)p) == -1) { mdb_warn("could not read property at 0x%p", p); break; } /* print the property name */ if (mdb_readstr(prop_name, sizeof (prop_name), (uintptr_t)prop.prop_name) == -1) { mdb_warn("could not read property name at 0x%p", prop.prop_name); goto next; } mdb_printf("name='%s' ", prop_name); /* get the property type and print it out */ type = (prop.prop_flags & DDI_PROP_TYPE_MASK); devinfo_print_props_type(type); /* get the property value */ if (prop.prop_len > 0) { prop_value = mdb_alloc(prop.prop_len, UM_SLEEP|UM_GC); if (mdb_vread(prop_value, prop.prop_len, (uintptr_t)prop.prop_val) == -1) { mdb_warn("could not read property value at " "0x%p", prop.prop_val); goto next; } } else { prop_value = NULL; } /* take a guess at interpreting the property value */ devinfo_print_props_guess(type, prop_value, prop.prop_len, &elem_size, &nelem, &prop_len_error); /* print out the number ot items */ mdb_printf(" items=%d", nelem); /* print out any associated device information */ if (prop.prop_dev != DDI_DEV_T_NONE) { mdb_printf(" dev="); if (prop.prop_dev == DDI_DEV_T_ANY) mdb_printf("any"); else if (prop.prop_dev == DDI_MAJOR_T_UNKNOWN) mdb_printf("unknown"); else mdb_printf("(%u,%u)", getmajor(prop.prop_dev), getminor(prop.prop_dev)); } /* print out the property value */ if (prop_value != NULL) { mdb_printf("\n"); mdb_inc_indent(DEVINFO_PROP_INDENT); if (prop_len_error) mdb_printf("NOTE: prop length is not a " "multiple of element size\n"); devinfo_print_props_value(elem_size, nelem, prop_value, prop.prop_len); mdb_dec_indent(DEVINFO_PROP_INDENT); } next: mdb_printf("\n"); p = prop.prop_next; } mdb_dec_indent(DEVINFO_PROP_INDENT); } static void devinfo_pathinfo_state(mdi_pathinfo_state_t state) { char *type_str = NULL; switch (state) { case MDI_PATHINFO_STATE_INIT: type_str = "init"; break; case MDI_PATHINFO_STATE_ONLINE: type_str = "online"; break; case MDI_PATHINFO_STATE_STANDBY: type_str = "standby"; break; case MDI_PATHINFO_STATE_FAULT: type_str = "fault"; break; case MDI_PATHINFO_STATE_OFFLINE: type_str = "offline"; break; } if (type_str != NULL) mdb_printf("state=%s\n", type_str); else mdb_printf("state=0x%x\n", state); } static void devinfo_print_pathing(int mdi_component, void *mdi_client) { mdi_client_t mdi_c; struct mdi_pathinfo *pip; /* we only print out multipathing info for client nodes */ if ((mdi_component & MDI_COMPONENT_CLIENT) == 0) return; mdb_printf("Client multipath info at: 0x%p\n", mdi_client); mdb_inc_indent(DEVINFO_PROP_INDENT); /* read in the client multipathing info */ if (mdb_readstr((void*) &mdi_c, sizeof (mdi_c), (uintptr_t)mdi_client) == -1) { mdb_warn("failed to read mdi_client at %p", (uintptr_t)mdi_client); goto exit; } /* * walk through the clients list of pathinfo structures and print * out the properties for each path */ pip = (struct mdi_pathinfo *)mdi_c.ct_path_head; while (pip != NULL) { char binding_name[128]; struct mdi_pathinfo pi; mdi_phci_t ph; struct dev_info ph_di; /* read in the pathinfo structure */ if (mdb_vread((void*)&pi, sizeof (pi), (uintptr_t)pip) == -1) { mdb_warn("failed to read mdi_pathinfo at %p", (uintptr_t)pip); goto exit; } /* read in the pchi (path host adapter) info */ if (mdb_vread((void*)&ph, sizeof (ph), (uintptr_t)pi.pi_phci) == -1) { mdb_warn("failed to read mdi_pchi at %p", (uintptr_t)pi.pi_phci); goto exit; } /* read in the dip of the phci so we can get it's name */ if (mdb_vread((void*)&ph_di, sizeof (ph_di), (uintptr_t)ph.ph_dip) == -1) { mdb_warn("failed to read mdi_pchi at %p", (uintptr_t)ph.ph_dip); goto exit; } if (mdb_vread(binding_name, sizeof (binding_name), (uintptr_t)ph_di.devi_binding_name) == -1) { mdb_warn("failed to read binding_name at %p", (uintptr_t)ph_di.devi_binding_name); goto exit; } mdb_printf("%s#%d, ", binding_name, ph_di.devi_instance); devinfo_pathinfo_state(pi.pi_state); /* print out the pathing info */ mdb_inc_indent(DEVINFO_PROP_INDENT); if (mdb_pwalk_dcmd(NVPAIR_WALKER_FQNAME, NVPAIR_DCMD_FQNAME, 0, NULL, (uintptr_t)pi.pi_prop) != 0) { mdb_dec_indent(DEVINFO_PROP_INDENT); goto exit; } mdb_dec_indent(DEVINFO_PROP_INDENT); pip = pi.pi_client_link; } exit: mdb_dec_indent(DEVINFO_PROP_INDENT); } typedef struct devinfo_cb_data { uintptr_t di_base; uint_t di_flags; } devinfo_cb_data_t; static int devinfo_print(uintptr_t addr, struct dev_info *dev, devinfo_cb_data_t *data) { /* * We know the walker passes us extra data after the dev_info. */ char binding_name[128]; char dname[MODMAXNAMELEN + 1]; devinfo_node_t *din = (devinfo_node_t *)dev; ddi_prop_t *global_props = NULL; if (mdb_readstr(binding_name, sizeof (binding_name), (uintptr_t)dev->devi_binding_name) == -1) { mdb_warn("failed to read binding_name at %p", (uintptr_t)dev->devi_binding_name); return (WALK_ERR); } /* if there are any global properties, get a pointer to them */ if (dev->devi_global_prop_list != NULL) { ddi_prop_list_t plist; if (mdb_vread((void*)&plist, sizeof (plist), (uintptr_t)dev->devi_global_prop_list) == -1) { mdb_warn("failed to read global prop_list at %p", (uintptr_t)dev->devi_global_prop_list); return (WALK_ERR); } global_props = plist.prop_list; } mdb_inc_indent(din->din_depth * DEVINFO_TREE_INDENT); if ((addr == data->di_base) || (data->di_flags & DEVINFO_ALLBOLD)) mdb_printf("%"); mdb_printf("%-0?p %s", addr, binding_name); if ((addr == data->di_base) || (data->di_flags & DEVINFO_ALLBOLD)) mdb_printf("%"); if (dev->devi_instance >= 0) mdb_printf(", instance #%d", dev->devi_instance); if (dev->devi_node_state < DS_ATTACHED) mdb_printf(" (driver not attached)"); else if (mdb_devinfo2driver(addr, dname, sizeof (dname)) != 0) mdb_printf(" (could not determine driver name)"); else mdb_printf(" (driver name: %s)", dname); mdb_printf("\n"); if (data->di_flags & DEVINFO_VERBOSE) { mdb_inc_indent(DEVINFO_PROPLIST_INDENT); devinfo_print_props("System", dev->devi_sys_prop_ptr); devinfo_print_props("Driver", dev->devi_drv_prop_ptr); devinfo_print_props("Hardware", dev->devi_hw_prop_ptr); devinfo_print_props("Global", global_props); devinfo_print_pathing(dev->devi_mdi_component, dev->devi_mdi_client); mdb_dec_indent(DEVINFO_PROPLIST_INDENT); } mdb_dec_indent(din->din_depth * DEVINFO_TREE_INDENT); return (WALK_NEXT); } /*ARGSUSED*/ int prtconf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { devinfo_cb_data_t data; uintptr_t devinfo_root; /* Address of root of devinfo tree */ int status; data.di_flags = DEVINFO_PARENT | DEVINFO_CHILD; if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, DEVINFO_VERBOSE, &data.di_flags, 'p', MDB_OPT_CLRBITS, DEVINFO_CHILD, &data.di_flags, 'c', MDB_OPT_CLRBITS, DEVINFO_PARENT, &data.di_flags, NULL) != argc) return (DCMD_USAGE); if (mdb_readvar(&devinfo_root, "top_devinfo") == -1) { mdb_warn("failed to read 'top_devinfo'"); return (NULL); } if ((flags & DCMD_ADDRSPEC) == 0) { addr = devinfo_root; if (data.di_flags & DEVINFO_VERBOSE) data.di_flags |= DEVINFO_ALLBOLD; } data.di_base = addr; mdb_printf("%%-?s %-50s%\n", "DEVINFO", "NAME"); if ((data.di_flags & (DEVINFO_PARENT | DEVINFO_CHILD)) == (DEVINFO_PARENT | DEVINFO_CHILD)) { status = mdb_pwalk("devinfo", (mdb_walk_cb_t)devinfo_print, &data, addr); } else if (data.di_flags & DEVINFO_PARENT) { status = mdb_pwalk("devinfo_parents", (mdb_walk_cb_t)devinfo_print, &data, addr); } else if (data.di_flags & DEVINFO_CHILD) { status = mdb_pwalk("devinfo_children", (mdb_walk_cb_t)devinfo_print, &data, addr); } else { devinfo_node_t din; if (mdb_vread(&din.din_dev, sizeof (din.din_dev), addr) == -1) { mdb_warn("failed to read device"); return (DCMD_ERR); } din.din_depth = 0; return (devinfo_print(addr, (struct dev_info *)&din, &data)); } if (status == -1) { mdb_warn("couldn't walk devinfo tree"); return (DCMD_ERR); } return (DCMD_OK); } /*ARGSUSED*/ int devinfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { char tmpstr[MODMAXNAMELEN]; char nodename[MODMAXNAMELEN]; char bindname[MAXPATHLEN]; int size, length; struct dev_info devi; devinfo_node_t din; devinfo_cb_data_t data; static const mdb_bitmask_t devi_state_masks[] = { { "DEVICE_OFFLINE", DEVI_DEVICE_OFFLINE, DEVI_DEVICE_OFFLINE }, { "DEVICE_DOWN", DEVI_DEVICE_DOWN, DEVI_DEVICE_DOWN }, { "DEVICE_DEGRADED", DEVI_DEVICE_DEGRADED, DEVI_DEVICE_DEGRADED }, { "DEVICE_REMOVED", DEVI_DEVICE_REMOVED, DEVI_DEVICE_REMOVED }, { "BUS_QUIESCED", DEVI_BUS_QUIESCED, DEVI_BUS_QUIESCED }, { "BUS_DOWN", DEVI_BUS_DOWN, DEVI_BUS_DOWN }, { "NDI_CONFIG", DEVI_NDI_CONFIG, DEVI_NDI_CONFIG }, { "S_ATTACHING", DEVI_S_ATTACHING, DEVI_S_ATTACHING }, { "S_DETACHING", DEVI_S_DETACHING, DEVI_S_DETACHING }, { "S_ONLINING", DEVI_S_ONLINING, DEVI_S_ONLINING }, { "S_OFFLINING", DEVI_S_OFFLINING, DEVI_S_OFFLINING }, { "S_INVOKING_DACF", DEVI_S_INVOKING_DACF, DEVI_S_INVOKING_DACF }, { "S_UNBOUND", DEVI_S_UNBOUND, DEVI_S_UNBOUND }, { "S_REPORT", DEVI_S_REPORT, DEVI_S_REPORT }, { "S_EVADD", DEVI_S_EVADD, DEVI_S_EVADD }, { "S_EVREMOVE", DEVI_S_EVREMOVE, DEVI_S_EVREMOVE }, { "S_NEED_RESET", DEVI_S_NEED_RESET, DEVI_S_NEED_RESET }, { NULL, 0, 0 } }; static const mdb_bitmask_t devi_flags_masks[] = { { "BUSY", DEVI_BUSY, DEVI_BUSY }, { "MADE_CHILDREN", DEVI_MADE_CHILDREN, DEVI_MADE_CHILDREN }, { "ATTACHED_CHILDREN", DEVI_ATTACHED_CHILDREN, DEVI_ATTACHED_CHILDREN}, { "BRANCH_HELD", DEVI_BRANCH_HELD, DEVI_BRANCH_HELD }, { "NO_BIND", DEVI_NO_BIND, DEVI_NO_BIND }, { "DEVI_REGISTERED_DEVID", DEVI_REGISTERED_DEVID, DEVI_REGISTERED_DEVID }, { "PHCI_SIGNALS_VHCI", DEVI_PHCI_SIGNALS_VHCI, DEVI_PHCI_SIGNALS_VHCI }, { "REBIND", DEVI_REBIND, DEVI_REBIND }, { NULL, 0, 0 } }; data.di_flags = DEVINFO_VERBOSE; data.di_base = addr; if (mdb_getopts(argc, argv, 'q', MDB_OPT_CLRBITS, DEVINFO_VERBOSE, &data.di_flags, 's', MDB_OPT_SETBITS, DEVINFO_SUMMARY, &data.di_flags, NULL) != argc) return (DCMD_USAGE); if ((flags & DCMD_ADDRSPEC) == 0) { mdb_warn( "devinfo doesn't give global information (try prtconf)\n"); return (DCMD_ERR); } if (DCMD_HDRSPEC(flags) && data.di_flags & DEVINFO_SUMMARY) mdb_printf( "%-?s %5s %?s %-20s %-s\n" "%-?s %5s %?s %-20s %-s\n" "%%-?s %5s %?s %-20s %-15s%\n", "DEVINFO", "MAJ", "REFCNT", "NODENAME", "NODESTATE", "", "INST", "CIRCULAR", "BINDNAME", "STATE", "", "", "THREAD", "", "FLAGS"); if (mdb_vread(&devi, sizeof (devi), addr) == -1) { mdb_warn("failed to read device"); return (DCMD_ERR); } if (data.di_flags & DEVINFO_SUMMARY) { *nodename = '\0'; size = sizeof (nodename); if ((length = mdb_readstr(tmpstr, size, (uintptr_t)devi.devi_node_name)) > 0) { strcat(nodename, tmpstr); size -= length; } if (devi.devi_addr != NULL && mdb_readstr(tmpstr, size - 1, (uintptr_t)devi.devi_addr) > 0) { strcat(nodename, "@"); strcat(nodename, tmpstr); } if (mdb_readstr(bindname, sizeof (bindname), (uintptr_t)devi.devi_binding_name) == -1) *bindname = '\0'; mdb_printf("%0?p %5d %?d %-20s %s\n", addr, devi.devi_major, devi.devi_ref, nodename, di_state[MIN(devi.devi_node_state + 1, DI_STATE_MAX)]); mdb_printf("%?s %5d %?d %-20s <%b>\n", "", devi.devi_instance, devi.devi_circular, bindname, devi.devi_state, devi_state_masks); mdb_printf("%?s %5s %?p %-20s <%b>\n\n", "", "", devi.devi_busy_thread, "", devi.devi_flags, devi_flags_masks); return (DCMD_OK); } else { din.din_dev = devi; din.din_depth = 0; return (devinfo_print(addr, (struct dev_info *)&din, &data)); } } /*ARGSUSED*/ int m2d_walk_dinfo(uintptr_t addr, struct dev_info *di, char *mod_name) { char name[MODMAXNAMELEN]; if (mdb_readstr(name, MODMAXNAMELEN, (uintptr_t)di->devi_binding_name) == -1) { mdb_warn("couldn't read devi_binding_name at %p", di->devi_binding_name); return (WALK_ERR); } if (strcmp(name, mod_name) == 0) mdb_printf("%p\n", addr); return (WALK_NEXT); } /*ARGSUSED*/ int modctl2devinfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { struct modctl modctl; char name[MODMAXNAMELEN]; if (!(flags & DCMD_ADDRSPEC)) return (DCMD_USAGE); if (mdb_vread(&modctl, sizeof (modctl), addr) == -1) { mdb_warn("couldn't read modctl at %p", addr); return (DCMD_ERR); } if (mdb_readstr(name, MODMAXNAMELEN, (uintptr_t)modctl.mod_modname) == -1) { mdb_warn("couldn't read modname at %p", modctl.mod_modname); return (DCMD_ERR); } if (mdb_walk("devinfo", (mdb_walk_cb_t)m2d_walk_dinfo, name) == -1) { mdb_warn("couldn't walk devinfo"); return (DCMD_ERR); } return (DCMD_OK); } static int major_to_addr(major_t major, uintptr_t *vaddr) { uint_t devcnt; uintptr_t devnamesp; if (mdb_readvar(&devcnt, "devcnt") == -1) { mdb_warn("failed to read 'devcnt'"); return (-1); } if (mdb_readvar(&devnamesp, "devnamesp") == -1) { mdb_warn("failed to read 'devnamesp'"); return (-1); } if (major >= devcnt) { mdb_warn("%x is out of range [0x0-0x%x]\n", major, devcnt - 1); return (-1); } *vaddr = devnamesp + (major * sizeof (struct devnames)); return (0); } /*ARGSUSED*/ int devnames(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { static const mdb_bitmask_t dn_flag_bits[] = { { "DN_CONF_PARSED", DN_CONF_PARSED, DN_CONF_PARSED }, { "DN_DRIVER_BUSY", DN_DRIVER_BUSY, DN_DRIVER_BUSY }, { "DN_DRIVER_HELD", DN_DRIVER_HELD, DN_DRIVER_HELD }, { "DN_TAKEN_GETUDEV", DN_TAKEN_GETUDEV, DN_TAKEN_GETUDEV }, { "DN_DRIVER_REMOVED", DN_DRIVER_REMOVED, DN_DRIVER_REMOVED}, { "DN_FORCE_ATTACH", DN_FORCE_ATTACH, DN_FORCE_ATTACH}, { "DN_LEAF_DRIVER", DN_LEAF_DRIVER, DN_LEAF_DRIVER}, { "DN_NETWORK_DRIVER", DN_NETWORK_DRIVER, DN_NETWORK_DRIVER}, { "DN_NO_AUTODETACH", DN_NO_AUTODETACH, DN_NO_AUTODETACH }, { "DN_GLDV3_DRIVER", DN_GLDV3_DRIVER, DN_GLDV3_DRIVER}, { "DN_PHCI_DRIVER", DN_PHCI_DRIVER, DN_PHCI_DRIVER}, { "DN_OPEN_RETURNS_EINTR", \ DN_OPEN_RETURNS_EINTR, DN_OPEN_RETURNS_EINTR}, { "DN_SCSI_SIZE_CLEAN", DN_SCSI_SIZE_CLEAN, DN_SCSI_SIZE_CLEAN}, { NULL, 0, 0 } }; const mdb_arg_t *argp = NULL; uint_t opt_v = FALSE, opt_m = FALSE; major_t major; size_t i; char name[MODMAXNAMELEN + 1]; struct devnames dn; if ((i = mdb_getopts(argc, argv, 'm', MDB_OPT_SETBITS, TRUE, &opt_m, 'v', MDB_OPT_SETBITS, TRUE, &opt_v, NULL)) != argc) { if (argc - i > 1) return (DCMD_USAGE); argp = &argv[i]; } if (opt_m) { if (!(flags & DCMD_ADDRSPEC)) return (DCMD_USAGE); if (major_to_addr(addr, &addr) == -1) return (DCMD_ERR); } else if (!(flags & DCMD_ADDRSPEC)) { if (argp == NULL) { if (mdb_walk_dcmd("devnames", "devnames", argc, argv)) { mdb_warn("failed to walk devnames"); return (DCMD_ERR); } return (DCMD_OK); } if (argp->a_type == MDB_TYPE_IMMEDIATE) major = (major_t)argp->a_un.a_val; else major = (major_t)mdb_strtoull(argp->a_un.a_str); if (major_to_addr(major, &addr) == -1) return (DCMD_ERR); } if (mdb_vread(&dn, sizeof (struct devnames), addr) == -1) { mdb_warn("failed to read devnames struct at %p", addr); return (DCMD_ERR); } if (DCMD_HDRSPEC(flags)) { if (opt_v) mdb_printf("%%-16s%\n", "NAME"); else mdb_printf("%%-16s %-?s%\n", "NAME", "DN_HEAD"); } if ((flags & DCMD_LOOP) && (dn.dn_name == NULL)) return (DCMD_OK); /* Skip empty slots if we're printing table */ if (mdb_readstr(name, sizeof (name), (uintptr_t)dn.dn_name) == -1) (void) mdb_snprintf(name, sizeof (name), "0x%p", dn.dn_name); if (opt_v) { ddi_prop_list_t prop_list; mdb_printf("%%-16s%\n", name); mdb_inc_indent(2); mdb_printf(" flags %b\n", dn.dn_flags, dn_flag_bits); mdb_printf(" pl %p\n", (void *)dn.dn_pl); mdb_printf(" head %p\n", dn.dn_head); mdb_printf(" instance %d\n", dn.dn_instance); mdb_printf(" inlist %p\n", dn.dn_inlist); mdb_printf("global_prop_ptr %p\n", dn.dn_global_prop_ptr); if (mdb_vread(&prop_list, sizeof (ddi_prop_list_t), (uintptr_t)dn.dn_global_prop_ptr) != -1) { devinfo_print_props(NULL, prop_list.prop_list); } mdb_dec_indent(2); } else mdb_printf("%-16s %-?p\n", name, dn.dn_head); return (DCMD_OK); } /*ARGSUSED*/ int name2major(uintptr_t vaddr, uint_t flags, int argc, const mdb_arg_t *argv) { major_t major; if (flags & DCMD_ADDRSPEC) return (DCMD_USAGE); if (argc != 1 || argv->a_type != MDB_TYPE_STRING) return (DCMD_USAGE); if (mdb_name_to_major(argv->a_un.a_str, &major) != 0) { mdb_warn("failed to convert name to major number\n"); return (DCMD_ERR); } mdb_printf("0x%x\n", major); return (DCMD_OK); } /* * Get a numerical argument of a dcmd from addr if an address is specified * or from argv if no address is specified. Return the argument in ret. */ static int getarg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv, uintptr_t *ret) { if (argc == 0 && (flags & DCMD_ADDRSPEC)) { *ret = addr; } else if (argc == 1 && !(flags & DCMD_ADDRSPEC)) { *ret = (argv[0].a_type == MDB_TYPE_IMMEDIATE) ? (uintptr_t)argv[0].a_un.a_val : (uintptr_t)mdb_strtoull(argv->a_un.a_str); } else { return (-1); } return (0); } /*ARGSUSED*/ int major2name(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { uintptr_t major; const char *name; if (getarg(addr, flags, argc, argv, &major) < 0) return (DCMD_USAGE); if ((name = mdb_major_to_name((major_t)major)) == NULL) { mdb_warn("failed to convert major number to name\n"); return (DCMD_ERR); } mdb_printf("%s\n", name); return (DCMD_OK); } /*ARGSUSED*/ int dev2major(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { uintptr_t dev; if (getarg(addr, flags, argc, argv, &dev) < 0) return (DCMD_USAGE); if (flags & DCMD_PIPE_OUT) mdb_printf("%x\n", getmajor(dev)); else mdb_printf("0x%x (0t%d)\n", getmajor(dev), getmajor(dev)); return (DCMD_OK); } /*ARGSUSED*/ int dev2minor(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { uintptr_t dev; if (getarg(addr, flags, argc, argv, &dev) < 0) return (DCMD_USAGE); if (flags & DCMD_PIPE_OUT) mdb_printf("%x\n", getminor(dev)); else mdb_printf("0x%x (0t%d)\n", getminor(dev), getminor(dev)); return (DCMD_OK); } /*ARGSUSED*/ int devt(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { uintptr_t dev; if (getarg(addr, flags, argc, argv, &dev) < 0) return (DCMD_USAGE); if (DCMD_HDRSPEC(flags)) { mdb_printf("%%10s% %%10s%\n", "MAJOR", "MINOR"); } mdb_printf("%10d %10d\n", getmajor(dev), getminor(dev)); return (DCMD_OK); } /*ARGSUSED*/ int softstate(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { uintptr_t statep; int instance; if (argc != 1) { return (DCMD_USAGE); } if (argv[0].a_type == MDB_TYPE_IMMEDIATE) instance = argv[0].a_un.a_val; else instance = mdb_strtoull(argv->a_un.a_str); if (mdb_get_soft_state_byaddr(addr, instance, &statep, NULL, 0) == -1) { if (errno == ENOENT) { mdb_warn("instance %d unused\n", instance); } else { mdb_warn("couldn't determine softstate for " "instance %d", instance); } return (DCMD_ERR); } mdb_printf("%p\n", statep); return (DCMD_OK); } /* * Walker for all possible pointers to a driver state struct in an * i_ddi_soft_state instance chain. Returns all non-NULL pointers. */ typedef struct soft_state_walk { struct i_ddi_soft_state ssw_ss; /* Local copy of i_ddi_soft_state */ void **ssw_pointers; /* to driver state structs */ uint_t ssw_index; /* array entry we're using */ } soft_state_walk_t; int soft_state_walk_init(mdb_walk_state_t *wsp) { soft_state_walk_t *sst; if (wsp->walk_addr == NULL) return (WALK_DONE); sst = mdb_zalloc(sizeof (soft_state_walk_t), UM_SLEEP|UM_GC); wsp->walk_data = sst; if (mdb_vread(&(sst->ssw_ss), sizeof (sst->ssw_ss), wsp->walk_addr) != sizeof (sst->ssw_ss)) { mdb_warn("failed to read i_ddi_soft_state at %p", wsp->walk_addr); return (WALK_ERR); } /* Read array of pointers to state structs into local storage. */ sst->ssw_pointers = mdb_alloc((sst->ssw_ss.n_items * sizeof (void *)), UM_SLEEP|UM_GC); if (mdb_vread(sst->ssw_pointers, (sst->ssw_ss.n_items * sizeof (void *)), (uintptr_t)sst->ssw_ss.array) != (sst->ssw_ss.n_items * sizeof (void *))) { mdb_warn("failed to read i_ddi_soft_state at %p", wsp->walk_addr); return (WALK_ERR); } sst->ssw_index = 0; return (WALK_NEXT); } int soft_state_walk_step(mdb_walk_state_t *wsp) { soft_state_walk_t *sst = (soft_state_walk_t *)wsp->walk_data; int status = WALK_NEXT; /* * If the entry indexed has a valid pointer to a soft state struct, * invoke caller's callback func. */ if (sst->ssw_pointers[sst->ssw_index] != NULL) { status = wsp->walk_callback( (uintptr_t)(sst->ssw_pointers[sst->ssw_index]), NULL, wsp->walk_cbdata); } sst->ssw_index += 1; if (sst->ssw_index == sst->ssw_ss.n_items) return (WALK_DONE); return (status); } int soft_state_all_walk_step(mdb_walk_state_t *wsp) { soft_state_walk_t *sst = (soft_state_walk_t *)wsp->walk_data; int status = WALK_NEXT; status = wsp->walk_callback( (uintptr_t)(sst->ssw_pointers[sst->ssw_index]), NULL, wsp->walk_cbdata); sst->ssw_index += 1; if (sst->ssw_index == sst->ssw_ss.n_items) return (WALK_DONE); return (status); } /*ARGSUSED*/ int devbindings(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { const mdb_arg_t *arg; struct devnames dn; uintptr_t dn_addr; major_t major; if (!(flags & DCMD_ADDRSPEC) && argc < 1) return (DCMD_USAGE); if (flags & DCMD_ADDRSPEC) { /* * If there's an address, then it's a major number */ major = addr; } else { /* * We interpret the last argument. Any other arguments are * forwarded to "devinfo" */ arg = &argv[argc - 1]; argc--; if (arg->a_type == MDB_TYPE_IMMEDIATE) { major = (uintptr_t)arg->a_un.a_val; } else if (arg->a_un.a_str[0] == '-') { /* the argument shouldn't be an option */ return (DCMD_USAGE); } else if (isdigit(arg->a_un.a_str[0])) { major = (uintptr_t)mdb_strtoull(arg->a_un.a_str); } else { if (mdb_name_to_major(arg->a_un.a_str, &major) != 0) { mdb_warn("failed to get major number for %s\n", arg->a_un.a_str); return (DCMD_ERR); } } } if (major_to_addr(major, &dn_addr) != 0) return (DCMD_ERR); if (mdb_vread(&dn, sizeof (struct devnames), dn_addr) == -1) { mdb_warn("couldn't read devnames array at %p", dn_addr); return (DCMD_ERR); } if (mdb_pwalk_dcmd("devi_next", "devinfo", argc, argv, (uintptr_t)dn.dn_head) != 0) { mdb_warn("couldn't walk the devinfo chain at %p", dn.dn_head); return (DCMD_ERR); } return (DCMD_OK); } /* * walk binding hashtable (as of of driver names (e.g., mb_hashtab)) */ int binding_hash_walk_init(mdb_walk_state_t *wsp) { if (wsp->walk_addr == NULL) return (WALK_ERR); wsp->walk_data = mdb_alloc(sizeof (void *) * MOD_BIND_HASHSIZE, UM_SLEEP|UM_GC); if (mdb_vread(wsp->walk_data, sizeof (void *) * MOD_BIND_HASHSIZE, wsp->walk_addr) == -1) { mdb_warn("failed to read mb_hashtab"); return (WALK_ERR); } wsp->walk_arg = 0; /* index into mb_hashtab array to start */ return (WALK_NEXT); } int binding_hash_walk_step(mdb_walk_state_t *wsp) { int status; uintptr_t bind_p; struct bind bind; /* * Walk the singly-linked list of struct bind */ bind_p = ((uintptr_t *)wsp->walk_data)[(ulong_t)wsp->walk_arg]; while (bind_p != NULL) { if (mdb_vread(&bind, sizeof (bind), bind_p) == -1) { mdb_warn("failed to read bind struct at %p", wsp->walk_addr); return (WALK_ERR); } if ((status = wsp->walk_callback(bind_p, &bind, wsp->walk_cbdata)) != WALK_NEXT) { return (status); } bind_p = (uintptr_t)bind.b_next; } wsp->walk_arg = (void *)((char *)wsp->walk_arg + 1); if (wsp->walk_arg == (void *)(MOD_BIND_HASHSIZE - 1)) return (WALK_DONE); return (WALK_NEXT); } /*ARGSUSED*/ int binding_hash_entry(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { struct bind bind; /* Arbitrary lengths based on output format below */ char name[MAXPATHLEN] = "???"; char bind_name[MAXPATHLEN] = ""; if ((flags & DCMD_ADDRSPEC) == NULL) return (DCMD_USAGE); /* Allow null addresses to be passed (as from a walker) */ if (addr == NULL) return (DCMD_OK); if (mdb_vread(&bind, sizeof (bind), addr) == -1) { mdb_warn("failed to read struct bind at %p", addr); return (DCMD_ERR); } if (DCMD_HDRSPEC(flags)) { mdb_printf("%%?s% %-5s %s%\n", "NEXT", "MAJOR", "NAME(S)"); } if (mdb_readstr(name, sizeof (name), (uintptr_t)bind.b_name) == -1) mdb_warn("failed to read 'name'"); /* There may be bind_name, so this may fail */ if (mdb_readstr(bind_name, sizeof (bind_name), (uintptr_t)bind.b_bind_name) == -1) { mdb_printf("%?p %5d %s\n", bind.b_next, bind.b_num, name); } else { mdb_printf("%?p %5d %s %s\n", bind.b_next, bind.b_num, name, bind_name); } return (DCMD_OK); } typedef struct devinfo_audit_log_walk_data { devinfo_audit_t dil_buf; /* buffer of last entry */ uintptr_t dil_base; /* starting address of log buffer */ int dil_max; /* maximum index */ int dil_start; /* starting index */ int dil_index; /* current walking index */ } devinfo_audit_log_walk_data_t; int devinfo_audit_log_walk_init(mdb_walk_state_t *wsp) { devinfo_log_header_t header; devinfo_audit_log_walk_data_t *dil; uintptr_t devinfo_audit_log; /* read in devinfo_log_header structure */ if (mdb_readvar(&devinfo_audit_log, "devinfo_audit_log") == -1) { mdb_warn("failed to read 'devinfo_audit_log'"); return (WALK_ERR); } if (mdb_vread(&header, sizeof (devinfo_log_header_t), devinfo_audit_log) == -1) { mdb_warn("couldn't read devinfo_log_header at %p", devinfo_audit_log); return (WALK_ERR); } dil = mdb_zalloc(sizeof (devinfo_audit_log_walk_data_t), UM_SLEEP); wsp->walk_data = dil; dil->dil_start = dil->dil_index = header.dh_curr; dil->dil_max = header.dh_max; if (dil->dil_start < 0) /* no log entries */ return (WALK_DONE); dil->dil_base = devinfo_audit_log + offsetof(devinfo_log_header_t, dh_entry); wsp->walk_addr = dil->dil_base + dil->dil_index * sizeof (devinfo_audit_t); return (WALK_NEXT); } int devinfo_audit_log_walk_step(mdb_walk_state_t *wsp) { uintptr_t addr = wsp->walk_addr; devinfo_audit_log_walk_data_t *dil = wsp->walk_data; devinfo_audit_t *da = &dil->dil_buf; int status = WALK_NEXT; /* read in current entry and invoke callback */ if (addr == NULL) return (WALK_DONE); if (mdb_vread(&dil->dil_buf, sizeof (devinfo_audit_t), addr) == -1) { mdb_warn("failed to read devinfo_audit at %p", addr); status = WALK_DONE; } status = wsp->walk_callback(wsp->walk_addr, da, wsp->walk_cbdata); /* step to the previous log entry in time */ if (--dil->dil_index < 0) dil->dil_index += dil->dil_max; if (dil->dil_index == dil->dil_start) { wsp->walk_addr = NULL; return (WALK_DONE); } wsp->walk_addr = dil->dil_base + dil->dil_index * sizeof (devinfo_audit_t); return (status); } void devinfo_audit_log_walk_fini(mdb_walk_state_t *wsp) { mdb_free(wsp->walk_data, sizeof (devinfo_audit_log_walk_data_t)); } /* * display devinfo_audit_t stack trace */ /*ARGSUSED*/ int devinfo_audit(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { uint_t verbose = FALSE; devinfo_audit_t da; int i, depth; if ((flags & DCMD_ADDRSPEC) == 0) return (DCMD_USAGE); if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &verbose, NULL) != argc) return (DCMD_USAGE); if (DCMD_HDRSPEC(flags)) { mdb_printf(" %-?s %16s %-?s %-?s %5s\n", "AUDIT", "TIMESTAMP", "THREAD", "DEVINFO", "STATE"); } if (mdb_vread(&da, sizeof (da), addr) == -1) { mdb_warn("couldn't read devinfo_audit at %p", addr); return (DCMD_ERR); } mdb_printf(" %0?p %16llx %0?p %0?p %s\n", addr, da.da_timestamp, da.da_thread, da.da_devinfo, di_state[MIN(da.da_node_state + 1, DI_STATE_MAX)]); if (!verbose) return (DCMD_OK); mdb_inc_indent(4); /* * Guard against bogus da_depth in case the devinfo_audit_t * is corrupt or the address does not really refer to a * devinfo_audit_t. */ depth = MIN(da.da_depth, DDI_STACK_DEPTH); for (i = 0; i < depth; i++) mdb_printf("%a\n", da.da_stack[i]); mdb_printf("\n"); mdb_dec_indent(4); return (DCMD_OK); } int devinfo_audit_log(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { if (flags & DCMD_ADDRSPEC) return (devinfo_audit(addr, flags, argc, argv)); (void) mdb_walk_dcmd("devinfo_audit_log", "devinfo_audit", argc, argv); return (DCMD_OK); } typedef struct devinfo_audit_node_walk_data { devinfo_audit_t dih_buf; /* buffer of last entry */ uintptr_t dih_dip; /* address of dev_info */ int dih_on_devinfo; /* devi_audit on dev_info struct */ } devinfo_audit_node_walk_data_t; int devinfo_audit_node_walk_init(mdb_walk_state_t *wsp) { devinfo_audit_node_walk_data_t *dih; devinfo_audit_t *da; struct dev_info devi; uintptr_t addr = wsp->walk_addr; /* read in devinfo structure */ if (mdb_vread(&devi, sizeof (struct dev_info), addr) == -1) { mdb_warn("couldn't read dev_info at %p", addr); return (WALK_ERR); } dih = mdb_zalloc(sizeof (devinfo_audit_node_walk_data_t), UM_SLEEP); wsp->walk_data = dih; da = &dih->dih_buf; /* read in devi_audit structure */ if (mdb_vread(da, sizeof (devinfo_audit_t), (uintptr_t)devi.devi_audit) == -1) { mdb_warn("couldn't read devi_audit at %p", devi.devi_audit); return (WALK_ERR); } dih->dih_dip = addr; dih->dih_on_devinfo = 1; wsp->walk_addr = (uintptr_t)devi.devi_audit; return (WALK_NEXT); } int devinfo_audit_node_walk_step(mdb_walk_state_t *wsp) { uintptr_t addr; devinfo_audit_node_walk_data_t *dih = wsp->walk_data; devinfo_audit_t *da = &dih->dih_buf; if (wsp->walk_addr == NULL) return (WALK_DONE); (void) wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata); skip: /* read in previous entry */ if ((addr = (uintptr_t)da->da_lastlog) == 0) return (WALK_DONE); if (mdb_vread(&dih->dih_buf, sizeof (devinfo_audit_t), addr) == -1) { mdb_warn("failed to read devinfo_audit at %p", addr); return (WALK_DONE); } /* check if last log was over-written */ if ((uintptr_t)da->da_devinfo != dih->dih_dip) return (WALK_DONE); /* * skip the first common log entry, which is a duplicate of * the devi_audit buffer on the dev_info structure */ if (dih->dih_on_devinfo) { dih->dih_on_devinfo = 0; goto skip; } wsp->walk_addr = addr; return (WALK_NEXT); } void devinfo_audit_node_walk_fini(mdb_walk_state_t *wsp) { mdb_free(wsp->walk_data, sizeof (devinfo_audit_node_walk_data_t)); } int devinfo_audit_node(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { if (!(flags & DCMD_ADDRSPEC)) return (DCMD_USAGE); (void) mdb_pwalk_dcmd("devinfo_audit_node", "devinfo_audit", argc, argv, addr); return (DCMD_OK); } /* * mdb support for per-devinfo fault management data */ /*ARGSUSED*/ int devinfo_fm(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { struct dev_info devi; struct i_ddi_fmhdl fhdl; if ((flags & DCMD_ADDRSPEC) == 0) return (DCMD_USAGE); if (DCMD_HDRSPEC(flags)) { mdb_printf("%%-11s IPL CAPS DROP FMCFULL FMCGREW ACCERR " "DMAERR %11s %11s%\n", "ADDR", "DMACACHE", "ACCCACHE"); } if (mdb_vread(&devi, sizeof (devi), addr) == -1) { mdb_warn("failed to read devinfo struct at %p", addr); return (DCMD_ERR); } if (mdb_vread(&fhdl, sizeof (fhdl), (uintptr_t)devi.devi_fmhdl) == -1) { mdb_warn("failed to read devinfo fm struct at %p", (uintptr_t)devi.devi_fmhdl); return (DCMD_ERR); } mdb_printf("%-11p %3u %c%c%c%c %4llu %7llu %7llu %6llu %6llu %11p " "%11p\n", (uintptr_t)devi.devi_fmhdl, fhdl.fh_ibc, (DDI_FM_EREPORT_CAP(fhdl.fh_cap) ? 'E' : '-'), (DDI_FM_ERRCB_CAP(fhdl.fh_cap) ? 'C' : '-'), (DDI_FM_ACC_ERR_CAP(fhdl.fh_cap) ? 'A' : '-'), (DDI_FM_DMA_ERR_CAP(fhdl.fh_cap) ? 'D' : '-'), fhdl.fh_kstat.fek_erpt_dropped.value.ui64, fhdl.fh_kstat.fek_fmc_full.value.ui64, fhdl.fh_kstat.fek_fmc_grew.value.ui64, fhdl.fh_kstat.fek_acc_err.value.ui64, fhdl.fh_kstat.fek_dma_err.value.ui64, fhdl.fh_dma_cache, fhdl.fh_acc_cache); return (DCMD_OK); } /*ARGSUSED*/ int devinfo_fmce(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { struct i_ddi_fmc_entry fce; if ((flags & DCMD_ADDRSPEC) == 0) return (DCMD_USAGE); if (DCMD_HDRSPEC(flags)) { mdb_printf("%%-11s %11s %11s%\n", "ADDR", "RESOURCE", "BUS_SPECIFIC"); } if (mdb_vread(&fce, sizeof (fce), addr) == -1) { mdb_warn("failed to read fm cache struct at %p", addr); return (DCMD_ERR); } mdb_printf("%-11p %11p %11p\n", (uintptr_t)addr, fce.fce_resource, fce.fce_bus_specific); return (DCMD_OK); } int devinfo_fmc_walk_init(mdb_walk_state_t *wsp) { struct i_ddi_fmc fec; struct i_ddi_fmc_entry fe; if (wsp->walk_addr == NULL) return (WALK_ERR); if (mdb_vread(&fec, sizeof (fec), wsp->walk_addr) == -1) { mdb_warn("failed to read fm cache at %p", wsp->walk_addr); return (WALK_ERR); } if (fec.fc_active == NULL) return (WALK_DONE); if (mdb_vread(&fe, sizeof (fe), (uintptr_t)fec.fc_active) == -1) { mdb_warn("failed to read active fm cache list at %p", fec.fc_active); return (WALK_ERR); } wsp->walk_data = fe.fce_next; wsp->walk_addr = (uintptr_t)fe.fce_next; return (WALK_NEXT); } int devinfo_fmc_walk_step(mdb_walk_state_t *wsp) { int status; struct i_ddi_fmc_entry fe; if (mdb_vread(&fe, sizeof (fe), wsp->walk_addr) == -1) { mdb_warn("failed to read active fm cache entry at %p", wsp->walk_addr); return (WALK_DONE); } status = wsp->walk_callback(wsp->walk_addr, &fe, wsp->walk_cbdata); if (fe.fce_next == NULL) return (WALK_DONE); wsp->walk_addr = (uintptr_t)fe.fce_next; return (status); } int minornode_walk_init(mdb_walk_state_t *wsp) { struct dev_info di; uintptr_t addr = wsp->walk_addr; if (addr == NULL) { mdb_warn("a dev_info struct address must be provided\n"); return (WALK_ERR); } if (mdb_vread(&di, sizeof (di), wsp->walk_addr) == -1) { mdb_warn("failed to read dev_info struct at %p", addr); return (WALK_ERR); } wsp->walk_addr = (uintptr_t)di.devi_minor; return (WALK_NEXT); } int minornode_walk_step(mdb_walk_state_t *wsp) { struct ddi_minor_data md; uintptr_t addr = wsp->walk_addr; if (addr == NULL) return (WALK_DONE); if (mdb_vread(&md, sizeof (md), addr) == -1) { mdb_warn("failed to read dev_info struct at %p", addr); return (WALK_DONE); } wsp->walk_addr = (uintptr_t)md.next; return (wsp->walk_callback(addr, &md, wsp->walk_cbdata)); } static const char *const md_type[] = { "DDI_MINOR", "DDI_ALIAS", "DDI_DEFAULT", "DDI_I_PATH", "?" }; #define MD_TYPE_MAX ((sizeof (md_type) / sizeof (char *)) - 1) /*ARGSUSED*/ static int print_minornode(uintptr_t addr, const void *arg, void *data) { char name[128]; char nodetype[128]; char *spectype; struct ddi_minor_data *mdp = (struct ddi_minor_data *)arg; if (mdb_readstr(name, sizeof (name), (uintptr_t)mdp->ddm_name) == -1) *name = '\0'; if (mdb_readstr(nodetype, sizeof (nodetype), (uintptr_t)mdp->ddm_node_type) == -1) *nodetype = '\0'; switch (mdp->ddm_spec_type) { case S_IFCHR: spectype = "c"; break; case S_IFBLK: spectype = "b"; break; default: spectype = "?"; break; } mdb_printf("%?p %16lx %-4s %-11s %-10s %s\n", addr, mdp->ddm_dev, spectype, md_type[MIN(mdp->type, MD_TYPE_MAX)], name, nodetype); return (WALK_NEXT); } /*ARGSUSED*/ int minornodes(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { if (!(flags & DCMD_ADDRSPEC) || argc != 0) return (DCMD_USAGE); if (DCMD_HDRSPEC(flags)) mdb_printf("%%?s %16s %-4s %-11s %-10s %-16s%\n", "ADDR", "DEV", "SPEC", "TYPE", "NAME", "NODETYPE"); if (mdb_pwalk("minornode", print_minornode, NULL, addr) == -1) { mdb_warn("can't walk minornode"); return (DCMD_ERR); } return (DCMD_OK); }