/* * 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 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #include #include #include #include #include #include #include #include #include /* networking stuff */ #include /* networking stuff */ #include #include #include #include #include #define IDM_CONN_SM_STRINGS #define IDM_TASK_SM_STRINGS #define ISCSIT_TGT_SM_STRINGS #define ISCSIT_SESS_SM_STRINGS #define ISCSIT_LOGIN_SM_STRINGS #define ISCSI_SESS_SM_STRINGS #define ISCSI_CMD_SM_STRINGS #define ISCSI_ICS_NAMES #define ISCSI_LOGIN_STATE_NAMES #define IDM_CN_NOTIFY_STRINGS #include #include #include #include /* * We want to be able to print multiple levels of object hierarchy with a * single dcmd information, and preferably also exclude intermediate * levels if desired. For example some of the target objects have the * following relationship: * * target --> session --> connection --> task * * The session dcmd should allow the printing of all associated tasks for the * sessions without printing all the associated connections. To accomplish * this the following structure contains a bit for each object type. Dcmds * should invoked the functions for child objects if any bits are set * in iscsi_dcmd_ctrl_t but the functions for the child object should only * print data if their associated bit is set. * * Each dcmd should provide an external interface with the standard MDB API * and an internal interface that accepts iscsi_dcmd_ctrl_t. To display * child objects the dcmd calls the internal interface for the child object * directly. Dcmds invoked from the command line will, of course, call the * external interface. See iscsi_conn() and iscsi_conn_impl(). */ typedef struct { union { uint32_t idc_children; struct { uint32_t idc_tgt:1, idc_tpgt:1, idc_portal:1, idc_sess:1, idc_conn:1, idc_print_ip:1, idc_task:1, idc_buffer:1, idc_states:1, idc_rc_audit:1, idc_lun:1, idc_hba:1; } child; } u; boolean_t idc_ini; boolean_t idc_tgt; boolean_t idc_verbose; boolean_t idc_header; /* * Our connection dcmd code works off the global connection lists * in IDM since we want to know about connections even when they * have not progressed to the point that they have an associated * session. If we use "::iscsi_sess [-c]" then we only want to * see connections associated with particular session. To avoid * writing a separate set of code to print session-specific connection * the session code should set the sessions kernel address in the * following field. The connection code will then only print * connections that match. */ uintptr_t idc_assoc_session; } iscsi_dcmd_ctrl_t; static int iscsi_walk_all_sess(iscsi_dcmd_ctrl_t *idc); static int iscsi_walk_ini_sessions(uintptr_t array_addr); static int iscsi_walk_all_conn(iscsi_dcmd_ctrl_t *idc); static int iscsi_tgt_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void); static int iscsi_tpgt_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void); static int iscsi_tpg_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void); static int iscsi_portal_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void); static int iscsi_sess_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void); static int iscsi_conn_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void); static int iscsi_buffer_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void); static int iscsi_tgt_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc); static int iscsi_tpgt_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc); static int iscsi_tpg_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc); static int iscsi_portal_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc); static int iscsi_sess_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc); static int iscsi_conn_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc); static void iscsi_print_iscsit_conn_data(idm_conn_t *ict); static void iscsi_print_idm_conn_data(idm_conn_t *ict); static int iscsi_task_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc); static void iscsi_print_iscsit_task_data(idm_task_t *idt); static int iscsi_buffer_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc); static idm_conn_type_t idm_conn_type(uintptr_t addr); static int iscsi_i_task_impl(idm_task_t *idt, uintptr_t addr, iscsi_dcmd_ctrl_t *idc); static int iscsi_refcnt_impl(uintptr_t addr); static int iscsi_sm_audit_impl(uintptr_t addr); static int iscsi_isns(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv); static const char *iscsi_idm_conn_event(unsigned int event); static const char *iscsi_iscsit_tgt_event(unsigned int event); static const char *iscsi_iscsit_sess_event(unsigned int event); static const char *iscsi_iscsit_login_event(unsigned int event); static const char *iscsi_iscsi_cmd_event(unsigned int event); static const char *iscsi_iscsi_sess_event(unsigned int event); static const char *iscsi_idm_conn_state(unsigned int state); static const char *iscsi_idm_task_state(unsigned int state); static const char *iscsi_iscsit_tgt_state(unsigned int state); static const char *iscsi_iscsit_sess_state(unsigned int state); static const char *iscsi_iscsit_login_state(unsigned int state); static const char *iscsi_iscsi_cmd_state(unsigned int state); static const char *iscsi_iscsi_sess_state(unsigned int state); static const char *iscsi_iscsi_conn_state(unsigned int state); static const char *iscsi_iscsi_conn_event(unsigned int event); static const char *iscsi_iscsi_login_state(unsigned int state); static void iscsi_format_timestamp(char *ts_str, int strlen, timespec_t *ts); static char *iscsi_inet_ntop(int af, const void *addr, char *buf, int addrlen); static void convert2ascii(char *, const in6_addr_t *); static int sa_to_str(struct sockaddr_storage *sa, char *addr); static int iscsi_isns_esi_cb(uintptr_t addr, const void *walker_data, void *data); static int iscsi_isns_portal_cb(uintptr_t addr, const void *walker_data, void *data); #define PORTAL_STR_LEN (INET6_ADDRSTRLEN + 7) /* * ::iscsi_tgt [-scatgpbSRv] * * iscsi_tgt - Print out information associated with an iscsit target instance * * s Print associated session information * c Print associated connection information * a Print IP addresses with connection information * t Print associated task information * g Print associated TPG information * p Print portals with TPG information * b Print associated buffer information * S Print recent state events and transitions * R Print reference count audit data * v Verbose output about the connection */ /*ARGSUSED*/ static int iscsi_tgt(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { iscsi_dcmd_ctrl_t idc; int buffer = 0, task = 0, print_ip = 0; int tpgt = 0, conn = 0, sess = 0, portal = 0; int states = 0, rc_audit = 0; uintptr_t iscsit_global_addr, avl_addr, list_addr; GElf_Sym sym; bzero(&idc, sizeof (idc)); if (mdb_getopts(argc, argv, 'a', MDB_OPT_SETBITS, TRUE, &print_ip, 'g', MDB_OPT_SETBITS, TRUE, &tpgt, 's', MDB_OPT_SETBITS, TRUE, &sess, 'c', MDB_OPT_SETBITS, TRUE, &conn, 't', MDB_OPT_SETBITS, TRUE, &task, 'b', MDB_OPT_SETBITS, TRUE, &buffer, 'p', MDB_OPT_SETBITS, TRUE, &portal, 'S', MDB_OPT_SETBITS, TRUE, &states, 'R', MDB_OPT_SETBITS, TRUE, &rc_audit, 'v', MDB_OPT_SETBITS, TRUE, &idc.idc_verbose, NULL) != argc) return (DCMD_USAGE); idc.u.child.idc_tgt = 1; idc.u.child.idc_print_ip = print_ip; idc.u.child.idc_tpgt = tpgt; idc.u.child.idc_portal = portal; idc.u.child.idc_sess = sess; idc.u.child.idc_conn = conn; idc.u.child.idc_task = task; idc.u.child.idc_buffer = buffer; idc.u.child.idc_states = states; idc.u.child.idc_rc_audit = rc_audit; if (DCMD_HDRSPEC(flags)) idc.idc_header = 1; /* * If no address was specified on the command line, we * print out all tgtions */ if (!(flags & DCMD_ADDRSPEC)) { if (mdb_lookup_by_name("iscsit_global", &sym) == -1) { mdb_warn("failed to find symbol 'iscsit_global'"); return (DCMD_ERR); } iscsit_global_addr = (uintptr_t)sym.st_value; avl_addr = iscsit_global_addr + offsetof(iscsit_global_t, global_target_list); if (mdb_pwalk("avl", iscsi_tgt_walk_cb, &idc, avl_addr) == -1) { mdb_warn("avl walk failed for global target tree"); return (DCMD_ERR); } list_addr = iscsit_global_addr + offsetof(iscsit_global_t, global_deleted_target_list); if (mdb_pwalk("list", iscsi_tgt_walk_cb, &idc, list_addr) == -1) { mdb_warn("list walk failed for deleted target list"); return (DCMD_ERR); } return (DCMD_OK); } else { return (iscsi_tgt_impl(addr, &idc)); } /*NOTREACHED*/ } static int iscsi_tpg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { iscsi_dcmd_ctrl_t idc; uintptr_t iscsit_global_addr, avl_addr; GElf_Sym sym; bzero(&idc, sizeof (idc)); if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &idc.idc_verbose, NULL) != argc) return (DCMD_USAGE); idc.u.child.idc_portal = 1; /* Always print portals */ if (DCMD_HDRSPEC(flags)) idc.idc_header = 1; /* * If no address was specified on the command line, we * print out all tgtions */ if (!(flags & DCMD_ADDRSPEC)) { if (mdb_lookup_by_name("iscsit_global", &sym) == -1) { mdb_warn("failed to find symbol 'iscsit_global'"); return (DCMD_ERR); } iscsit_global_addr = (uintptr_t)sym.st_value; avl_addr = iscsit_global_addr + offsetof(iscsit_global_t, global_tpg_list); if (mdb_pwalk("avl", iscsi_tpg_walk_cb, &idc, avl_addr) == -1) { mdb_warn("avl walk failed for global target tree"); return (DCMD_ERR); } return (DCMD_OK); } else { return (iscsi_tpg_impl(addr, &idc)); } /*NOTREACHED*/ } /* * ::iscsi_sess [-bctvIT] * * iscsi_sess - Print out information associated with an iSCSI session * * I Print only initiator sessions * T Print only target sessions * c Print associated connection information * a Print IP addresses with connection information * t Print associated task information * b Print associated buffer information * S Print recent state events and transitions * R Print reference count audit data * v Verbose output about the connection */ /*ARGSUSED*/ static int iscsi_sess(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { iscsi_dcmd_ctrl_t idc; int buffer = 0, task = 0, conn = 0, print_ip = 0; int states = 0, rc_audit = 0; bzero(&idc, sizeof (idc)); if (mdb_getopts(argc, argv, 'I', MDB_OPT_SETBITS, TRUE, &idc.idc_ini, 'T', MDB_OPT_SETBITS, TRUE, &idc.idc_tgt, 'a', MDB_OPT_SETBITS, TRUE, &print_ip, 'c', MDB_OPT_SETBITS, TRUE, &conn, 't', MDB_OPT_SETBITS, TRUE, &task, 'b', MDB_OPT_SETBITS, TRUE, &buffer, 'S', MDB_OPT_SETBITS, TRUE, &states, 'R', MDB_OPT_SETBITS, TRUE, &rc_audit, 'v', MDB_OPT_SETBITS, TRUE, &idc.idc_verbose, NULL) != argc) return (DCMD_USAGE); idc.u.child.idc_sess = 1; idc.u.child.idc_print_ip = print_ip; idc.u.child.idc_conn = conn; idc.u.child.idc_task = task; idc.u.child.idc_buffer = buffer; idc.u.child.idc_states = states; idc.u.child.idc_rc_audit = rc_audit; if (DCMD_HDRSPEC(flags)) idc.idc_header = 1; /* * If no address was specified on the command line, we * print out all sessions */ if (!(flags & DCMD_ADDRSPEC)) { return (iscsi_walk_all_sess(&idc)); } else { return (iscsi_sess_impl(addr, &idc)); } /*NOTREACHED*/ } /* * ::iscsi_conn [-btvIT] * * iscsi_conn - Print out information associated with an iSCSI connection * * I Print only initiator connections * T Print only target connections * a Print IP addresses with connection information * t Print associated task information * b Print associated buffer information * S Print recent state events and transitions * R Print reference count audit data * v Verbose output about the connection */ /*ARGSUSED*/ static int iscsi_conn(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { iscsi_dcmd_ctrl_t idc; int buffer = 0, task = 0, print_ip = 0; int states = 0, rc_audit = 0; bzero(&idc, sizeof (idc)); if (mdb_getopts(argc, argv, 'I', MDB_OPT_SETBITS, TRUE, &idc.idc_ini, 'T', MDB_OPT_SETBITS, TRUE, &idc.idc_tgt, 'a', MDB_OPT_SETBITS, TRUE, &print_ip, 't', MDB_OPT_SETBITS, TRUE, &task, 'b', MDB_OPT_SETBITS, TRUE, &buffer, 'S', MDB_OPT_SETBITS, TRUE, &states, 'R', MDB_OPT_SETBITS, TRUE, &rc_audit, 'v', MDB_OPT_SETBITS, TRUE, &idc.idc_verbose, NULL) != argc) return (DCMD_USAGE); idc.u.child.idc_conn = 1; idc.u.child.idc_print_ip = print_ip; idc.u.child.idc_task = task; idc.u.child.idc_buffer = buffer; idc.u.child.idc_states = states; idc.u.child.idc_rc_audit = rc_audit; if (DCMD_HDRSPEC(flags)) idc.idc_header = 1; /* * If no address was specified on the command line, we * print out all connections */ if (!(flags & DCMD_ADDRSPEC)) { return (iscsi_walk_all_conn(&idc)); } else { return (iscsi_conn_impl(addr, &idc)); } /*NOTREACHED*/ } /* * ::iscsi_task [-bv] * * iscsi_task - Print out information associated with an iSCSI task * * b Print associated buffer information * S Print recent state events and transitions * R Print reference count audit data * v Verbose output about the connection */ /*ARGSUSED*/ static int iscsi_task(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { iscsi_dcmd_ctrl_t idc; int buffer = 0; int states = 0, rc_audit = 0; bzero(&idc, sizeof (idc)); if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &buffer, 'S', MDB_OPT_SETBITS, TRUE, &states, 'R', MDB_OPT_SETBITS, TRUE, &rc_audit, 'v', MDB_OPT_SETBITS, TRUE, &idc.idc_verbose, NULL) != argc) return (DCMD_USAGE); idc.u.child.idc_conn = 0; idc.u.child.idc_task = 1; idc.u.child.idc_buffer = buffer; idc.u.child.idc_states = states; idc.u.child.idc_rc_audit = rc_audit; if (DCMD_HDRSPEC(flags)) idc.idc_header = 1; /* * If no address was specified on the command line, we * print out all connections */ if (!(flags & DCMD_ADDRSPEC)) { return (iscsi_walk_all_conn(&idc)); } else { return (iscsi_task_impl(addr, &idc)); } /*NOTREACHED*/ } /* * ::iscsi_refcnt * * iscsi_refcnt - Dump an idm_refcnt_t structure * */ /*ARGSUSED*/ static int iscsi_refcnt(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { if (!(flags & DCMD_ADDRSPEC)) { return (DCMD_ERR); } else { return (iscsi_refcnt_impl(addr)); } /*NOTREACHED*/ } /* * ::iscsi_states * * iscsi_states - Dump events and state transitions recoreded in an * idm_sm_audit_t structure * */ /*ARGSUSED*/ static int iscsi_states(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { if (!(flags & DCMD_ADDRSPEC)) { return (DCMD_ERR); } else { return (iscsi_sm_audit_impl(addr)); } /*NOTREACHED*/ } /* * Helper function to list all the initiator sessions */ static int iscsi_walk_ini_sessions(uintptr_t array_vaddr) { iscsi_hba_t ihp; int i; int array_size; struct i_ddi_soft_state *ss; iscsi_sess_t *isp; ss = (struct i_ddi_soft_state *)mdb_alloc(sizeof (*ss), UM_SLEEP|UM_GC); if (mdb_vread(ss, sizeof (*ss), array_vaddr) != sizeof (*ss)) { mdb_warn("Cannot read softstate struct (Invalid pointer?).\n"); return (DCMD_ERR); } array_size = ss->n_items * (sizeof (void *)); array_vaddr = (uintptr_t)ss->array; ss->array = mdb_alloc(array_size, UM_SLEEP|UM_GC); if (mdb_vread(ss->array, array_size, array_vaddr) != array_size) { mdb_warn("Corrupted softstate struct.\n"); return (DCMD_ERR); } for (i = 0; i < ss->n_items; i++) { if (ss->array[i] == 0) continue; if (mdb_vread(&ihp, sizeof (ihp), (uintptr_t)ss->array[i]) != sizeof (ihp)) { mdb_warn("Corrupted softstate struct.\n"); return (DCMD_ERR); } mdb_printf("iscsi_hba %p sessions: \n", ihp); mdb_printf("%%-19s %-4s %-8s%\n", "Session", "Type", "State"); for (isp = ihp.hba_sess_list; isp; ) { iscsi_sess_t sess; if ((mdb_vread(&sess, sizeof (iscsi_sess_t), (uintptr_t)isp)) != sizeof (iscsi_sess_t)) { mdb_warn("Failed to read session\n"); return (DCMD_ERR); } mdb_printf("%-19p %-4d %-8d\n", isp, sess.sess_type, sess.sess_state); isp = sess.sess_next; } } return (DCMD_OK); } static int iscsi_walk_all_sess(iscsi_dcmd_ctrl_t *idc) { uintptr_t iscsit_global_addr; uintptr_t avl_addr; uintptr_t list_addr; GElf_Sym sym; uintptr_t adr; /* Initiator sessions */ if (idc->idc_ini) { if (mdb_readvar(&adr, "iscsi_state") == -1) { mdb_warn("state variable iscsi_state not found.\n"); mdb_warn("Is the driver loaded ?\n"); return (DCMD_ERR); } return (iscsi_walk_ini_sessions(adr)); } /* Target sessions */ /* Walk discovery sessions */ if (mdb_lookup_by_name("iscsit_global", &sym) == -1) { mdb_warn("failed to find symbol 'iscsit_global'"); return (DCMD_ERR); } iscsit_global_addr = (uintptr_t)sym.st_value; avl_addr = iscsit_global_addr + offsetof(iscsit_global_t, global_discovery_sessions); if (mdb_pwalk("avl", iscsi_sess_walk_cb, idc, avl_addr) == -1) { mdb_warn("avl walk failed for discovery sessions"); return (DCMD_ERR); } /* Walk targets printing all session info */ avl_addr = iscsit_global_addr + offsetof(iscsit_global_t, global_target_list); if (mdb_pwalk("avl", iscsi_tgt_walk_cb, idc, avl_addr) == -1) { mdb_warn("avl walk failed for target/session tree"); return (DCMD_ERR); } /* Walk deleting targets printing all session info */ list_addr = iscsit_global_addr + offsetof(iscsit_global_t, global_deleted_target_list); if (mdb_pwalk("list", iscsi_tgt_walk_cb, idc, list_addr) == -1) { mdb_warn("list walk failed for deleted target list"); return (DCMD_ERR); } return (DCMD_OK); } static int iscsi_walk_all_conn(iscsi_dcmd_ctrl_t *idc) { uintptr_t idm_global_addr; uintptr_t list_addr; GElf_Sym sym; /* Walk initiator connections */ if (mdb_lookup_by_name("idm", &sym) == -1) { mdb_warn("failed to find symbol 'idm'"); return (DCMD_ERR); } idm_global_addr = (uintptr_t)sym.st_value; /* Walk connection list associated with the initiator */ list_addr = idm_global_addr + offsetof(idm_global_t, idm_ini_conn_list); if (mdb_pwalk("list", iscsi_conn_walk_cb, idc, list_addr) == -1) { mdb_warn("list walk failed for initiator connections"); return (DCMD_ERR); } /* Walk connection list associated with the target */ list_addr = idm_global_addr + offsetof(idm_global_t, idm_tgt_conn_list); if (mdb_pwalk("list", iscsi_conn_walk_cb, idc, list_addr) == -1) { mdb_warn("list walk failed for target service instances"); return (DCMD_ERR); } return (DCMD_OK); } /*ARGSUSED*/ static int iscsi_tpg_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void) { /* We don't particularly care about the list walker data */ iscsi_dcmd_ctrl_t *idc = idc_void; int rc; rc = iscsi_tpg_impl(addr, idc); return ((rc == DCMD_OK) ? WALK_NEXT : WALK_ERR); } /*ARGSUSED*/ static int iscsi_tgt_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void) { /* We don't particularly care about the list walker data */ iscsi_dcmd_ctrl_t *idc = idc_void; int rc; rc = iscsi_tgt_impl(addr, idc); return ((rc == DCMD_OK) ? WALK_NEXT : WALK_ERR); } /*ARGSUSED*/ static int iscsi_tpgt_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void) { /* We don't particularly care about the list walker data */ iscsi_dcmd_ctrl_t *idc = idc_void; int rc; rc = iscsi_tpgt_impl(addr, idc); return ((rc == DCMD_OK) ? WALK_NEXT : WALK_ERR); } /*ARGSUSED*/ static int iscsi_portal_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void) { /* We don't particularly care about the list walker data */ iscsi_dcmd_ctrl_t *idc = idc_void; int rc; rc = iscsi_portal_impl(addr, idc); return ((rc == DCMD_OK) ? WALK_NEXT : WALK_ERR); } /*ARGSUSED*/ static int iscsi_sess_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void) { /* We don't particularly care about the list walker data */ iscsi_dcmd_ctrl_t *idc = idc_void; int rc; rc = iscsi_sess_impl(addr, idc); return ((rc == DCMD_OK) ? WALK_NEXT : WALK_ERR); } /*ARGSUSED*/ static int iscsi_sess_conn_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void) { /* We don't particularly care about the list walker data */ iscsi_dcmd_ctrl_t *idc = idc_void; iscsit_conn_t ict; int rc; /* * This function is different from iscsi_conn_walk_cb because * we get an iscsit_conn_t instead of an idm_conn_t * * Read iscsit_conn_t, use to get idm_conn_t pointer */ if (mdb_vread(&ict, sizeof (iscsit_conn_t), addr) != sizeof (iscsit_conn_t)) { return (DCMD_ERR); } rc = iscsi_conn_impl((uintptr_t)ict.ict_ic, idc); return ((rc == DCMD_OK) ? WALK_NEXT : WALK_ERR); } /*ARGSUSED*/ static int iscsi_conn_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void) { /* We don't particularly care about the list walker data */ iscsi_dcmd_ctrl_t *idc = idc_void; int rc; rc = iscsi_conn_impl(addr, idc); return ((rc == DCMD_OK) ? WALK_NEXT : WALK_ERR); } /*ARGSUSED*/ static int iscsi_buffer_walk_cb(uintptr_t addr, const void *list_walker_data, void *idc_void) { /* We don't particularly care about the list walker data */ iscsi_dcmd_ctrl_t *idc = idc_void; int rc; rc = iscsi_buffer_impl(addr, idc); return ((rc == DCMD_OK) ? WALK_NEXT : WALK_ERR); } static int iscsi_tgt_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc) { iscsit_tgt_t tgt; uintptr_t avl_addr, rc_addr, states_addr; char tgt_name[MAX_ISCSI_NODENAMELEN]; int verbose, states, rc_audit; /* * Read iscsit_tgt_t */ if (mdb_vread(&tgt, sizeof (iscsit_tgt_t), addr) != sizeof (iscsit_tgt_t)) { return (DCMD_ERR); } /* * Read target name if available */ if ((tgt.target_name == NULL) || (mdb_readstr(tgt_name, sizeof (tgt_name), (uintptr_t)tgt.target_name) == -1)) { strcpy(tgt_name, "N/A"); } /* * Brief output * * iscsit_tgt_t pointer * iscsit_tgt_t.target_stmf_state * iscsit_tgt_t.target_sess_list.avl_numnodes (session count) * iscsit_tgt_t.target_name; */ verbose = idc->idc_verbose; states = idc->u.child.idc_states; rc_audit = idc->u.child.idc_rc_audit; /* For now we will ignore the verbose flag */ if (idc->u.child.idc_tgt) { /* Print target data */ if (idc->idc_header) { mdb_printf("%%-19s %-4s %-8s%\n", "iscsit_tgt_t", "Sess", "State"); } mdb_printf("%-19p %-4d %-8d\n", addr, tgt.target_sess_list.avl_numnodes, tgt.target_state); mdb_printf(" %s\n", tgt_name); } idc->idc_header = 0; idc->idc_verbose = 0; /* * Print states if requested */ if (idc->u.child.idc_tgt && states) { states_addr = addr + offsetof(iscsit_tgt_t, target_state_audit); (void) mdb_inc_indent(4); mdb_printf("State History:\n"); if (iscsi_sm_audit_impl(states_addr) != DCMD_OK) return (DCMD_ERR); idc->u.child.idc_states = 0; (void) mdb_dec_indent(4); } /* * Print refcnt audit data if requested */ if (idc->u.child.idc_tgt && rc_audit) { (void) mdb_inc_indent(4); mdb_printf("target_sess_refcnt:\n"); rc_addr = addr + offsetof(iscsit_tgt_t, target_sess_refcnt); if (iscsi_refcnt_impl(rc_addr) != DCMD_OK) return (DCMD_ERR); mdb_printf("target_refcnt:\n"); rc_addr = addr + offsetof(iscsit_tgt_t, target_refcnt); if (iscsi_refcnt_impl(rc_addr) != DCMD_OK) return (DCMD_ERR); idc->u.child.idc_rc_audit = 0; (void) mdb_dec_indent(4); } /* Any child objects to walk? */ if (idc->u.child.idc_tpgt || idc->u.child.idc_sess || idc->u.child.idc_conn || idc->u.child.idc_task || idc->u.child.idc_buffer) { /* Walk TPGT tree */ idc->idc_header = 1; (void) mdb_inc_indent(4); avl_addr = addr + offsetof(iscsit_tgt_t, target_tpgt_list); if (mdb_pwalk("avl", iscsi_tpgt_walk_cb, idc, avl_addr) == -1) { mdb_warn("target tpgt list walk failed"); (void) mdb_dec_indent(4); return (DCMD_ERR); } (void) mdb_dec_indent(4); /* Walk sess tree */ idc->idc_header = 1; (void) mdb_inc_indent(4); avl_addr = addr + offsetof(iscsit_tgt_t, target_sess_list); if (mdb_pwalk("avl", iscsi_sess_walk_cb, idc, avl_addr) == -1) { mdb_warn("target sess list walk failed"); (void) mdb_dec_indent(4); return (DCMD_ERR); } (void) mdb_dec_indent(4); idc->idc_header = 0; } idc->idc_verbose = verbose; idc->u.child.idc_states = states; idc->u.child.idc_rc_audit = rc_audit; return (DCMD_OK); } static int iscsi_tpgt_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc) { iscsit_tpgt_t tpgt; iscsit_tpg_t tpg; uintptr_t avl_addr, tpg_addr; /* * Read iscsit_tpgt_t */ if (mdb_vread(&tpgt, sizeof (iscsit_tpgt_t), addr) != sizeof (iscsit_tpgt_t)) { return (DCMD_ERR); } tpg_addr = (uintptr_t)tpgt.tpgt_tpg; /* * Read iscsit_tpg_t */ if (mdb_vread(&tpg, sizeof (iscsit_tpg_t), tpg_addr) != sizeof (iscsit_tpg_t)) { return (DCMD_ERR); } /* * Brief output * * iscsit_tpgt_t pointer * iscsit_tpg_t pointer * iscsit_tpg_t.tpg_name * iscsit_tpgt_t.tpgt_tag; */ /* For now we will ignore the verbose flag */ if (idc->u.child.idc_tpgt) { /* Print target data */ if (idc->idc_header) { mdb_printf("%%-?s %-?s %-18s %-6s%\n", "iscsit_tpgt_t", "iscsit_tpg_t", "Name", "Tag"); } mdb_printf("%?p %?p %-18s 0x%04x\n", addr, tpgt.tpgt_tpg, tpg.tpg_name, tpgt.tpgt_tag); } /* * Assume for now that anyone interested in TPGT wants to see the * portals as well. */ idc->idc_header = 1; (void) mdb_inc_indent(4); avl_addr = tpg_addr + offsetof(iscsit_tpg_t, tpg_portal_list); if (mdb_pwalk("avl", iscsi_portal_walk_cb, idc, avl_addr) == -1) { mdb_warn("portal list walk failed"); (void) mdb_dec_indent(4); return (DCMD_ERR); } (void) mdb_dec_indent(4); idc->idc_header = 0; return (DCMD_OK); } static int iscsi_tpg_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc) { iscsit_tpg_t tpg; uintptr_t avl_addr; /* * Read iscsit_tpg_t */ if (mdb_vread(&tpg, sizeof (iscsit_tpg_t), addr) != sizeof (iscsit_tpg_t)) { return (DCMD_ERR); } /* * Brief output * * iscsit_tpgt_t pointer * iscsit_tpg_t pointer * iscsit_tpg_t.tpg_name * iscsit_tpgt_t.tpgt_tag; */ /* For now we will ignore the verbose flag */ /* Print target data */ if (idc->idc_header) { mdb_printf("%%-?s %-18s%\n", "iscsit_tpg_t", "Name"); } mdb_printf("%?p %-18s\n", addr, tpg.tpg_name); /* * Assume for now that anyone interested in TPG wants to see the * portals as well. */ idc->idc_header = 1; (void) mdb_inc_indent(4); avl_addr = addr + offsetof(iscsit_tpg_t, tpg_portal_list); if (mdb_pwalk("avl", iscsi_portal_walk_cb, idc, avl_addr) == -1) { mdb_warn("portal list walk failed"); (void) mdb_dec_indent(4); return (DCMD_ERR); } (void) mdb_dec_indent(4); idc->idc_header = 0; return (DCMD_OK); } static int iscsi_portal_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc) { iscsit_portal_t portal; char portal_addr[PORTAL_STR_LEN]; if (idc->u.child.idc_portal) { /* * Read iscsit_portal_t */ if (mdb_vread(&portal, sizeof (iscsit_portal_t), addr) != sizeof (iscsit_portal_t)) { return (DCMD_ERR); } /* Print portal data */ if (idc->idc_header) { mdb_printf("%%-?s %-?s %-30s%\n", "iscsit_portal_t", "idm_svc_t", "IP:Port"); } sa_to_str(&portal.portal_addr, portal_addr); mdb_printf("%?p %?p %s\n", addr, portal.portal_svc, portal_addr); } return (DCMD_OK); } static int iscsi_sess_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc) { iscsit_sess_t ist; uintptr_t list_addr, states_addr, rc_addr; char ini_name[80]; char tgt_name[80]; int verbose, states, rc_audit; /* * Read iscsit_sess_t */ if (mdb_vread(&ist, sizeof (iscsit_sess_t), addr) != sizeof (iscsit_sess_t)) { return (DCMD_ERR); } /* * Brief output * * iscsit_sess_t pointer * iscsit_sess_t.ist_state/iscsit_sess_t.ist_ffp_conn_count * iscsit_sess_t.ist_tsih * iscsit_sess_t.ist_initiator_name */ verbose = idc->idc_verbose; states = idc->u.child.idc_states; rc_audit = idc->u.child.idc_rc_audit; if (idc->u.child.idc_sess) { if (verbose) { /* * Read initiator name if available */ if ((ist.ist_initiator_name == NULL) || (mdb_readstr(ini_name, sizeof (ini_name), (uintptr_t)ist.ist_initiator_name) == -1)) { strcpy(ini_name, "N/A"); } /* * Read target name if available */ if ((ist.ist_target_name == NULL) || (mdb_readstr(tgt_name, sizeof (tgt_name), (uintptr_t)ist.ist_target_name) == -1)) { strcpy(tgt_name, "N/A"); } mdb_printf("Session %p\n", addr); mdb_printf("%16s: %d\n", "State", ist.ist_state); mdb_printf("%16s: %d\n", "Last State", ist.ist_last_state); mdb_printf("%16s: %d\n", "FFP Connections", ist.ist_ffp_conn_count); mdb_printf("%16s: %02x%02x%02x%02x%02x%02x\n", "ISID", ist.ist_isid[0], ist.ist_isid[1], ist.ist_isid[2], ist.ist_isid[3], ist.ist_isid[4], ist.ist_isid[5]); mdb_printf("%16s: 0x%04x\n", "TSIH", ist.ist_tsih); mdb_printf("%16s: %s\n", "Initiator IQN", ini_name); mdb_printf("%16s: %s\n", "Target IQN", tgt_name); mdb_printf("%16s: %08x\n", "ExpCmdSN", ist.ist_expcmdsn); mdb_printf("%16s: %08x\n", "MaxCmdSN", ist.ist_maxcmdsn); } else { /* Print session data */ if (idc->idc_header) { mdb_printf("%%-?s %10s %-12s %-6s%\n", "iscsit_sess_t", "State/Conn", "ISID", "TSIH"); } mdb_printf("%?p %4d/%-4d %02x%02x%02x%02x%02x%02x " "0x%04x\n", addr, ist.ist_state, ist.ist_ffp_conn_count, ist.ist_isid[0], ist.ist_isid[1], ist.ist_isid[2], ist.ist_isid[3], ist.ist_isid[4], ist.ist_isid[5], ist.ist_tsih); } idc->idc_header = 0; } idc->idc_verbose = 0; /* * Print states if requested */ if (states) { states_addr = addr + offsetof(iscsit_sess_t, ist_state_audit); (void) mdb_inc_indent(4); mdb_printf("State History:\n"); if (iscsi_sm_audit_impl(states_addr) != DCMD_OK) return (DCMD_ERR); /* Don't print state history for child objects */ idc->u.child.idc_states = 0; (void) mdb_dec_indent(4); } /* * Print refcnt audit data if requested */ if (rc_audit) { (void) mdb_inc_indent(4); mdb_printf("Reference History:\n"); rc_addr = addr + offsetof(iscsit_sess_t, ist_refcnt); if (iscsi_refcnt_impl(rc_addr) != DCMD_OK) return (DCMD_ERR); /* Don't print audit data for child objects */ idc->u.child.idc_rc_audit = 0; (void) mdb_dec_indent(4); } /* Any child objects to walk? */ if (idc->u.child.idc_conn || idc->u.child.idc_task || idc->u.child.idc_buffer) { /* Walk conn list */ idc->idc_header = 1; (void) mdb_inc_indent(4); list_addr = addr + offsetof(iscsit_sess_t, ist_conn_list); if (mdb_pwalk("list", iscsi_sess_conn_walk_cb, idc, list_addr) == -1) { mdb_warn("session conn list walk failed"); (void) mdb_dec_indent(4); return (DCMD_ERR); } (void) mdb_dec_indent(4); idc->idc_header = 0; } idc->idc_verbose = verbose; idc->u.child.idc_states = states; idc->u.child.idc_rc_audit = rc_audit; return (DCMD_OK); } static int iscsi_conn_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc) { uintptr_t idm_global_addr, states_addr, rc_addr; uintptr_t task_addr, task_ptr; GElf_Sym sym; idm_task_t idt; idm_conn_t ic; char *conn_type; int task_idx; char laddr[PORTAL_STR_LEN]; char raddr[PORTAL_STR_LEN]; int verbose, states, rc_audit; /* * Get pointer to task table */ if (mdb_lookup_by_name("idm", &sym) == -1) { mdb_warn("failed to find symbol 'idm'"); return (DCMD_ERR); } idm_global_addr = (uintptr_t)sym.st_value; if (mdb_vread(&task_ptr, sizeof (uintptr_t), idm_global_addr + offsetof(idm_global_t, idm_taskid_table)) != sizeof (uintptr_t)) { mdb_warn("Failed to read address of task table"); return (DCMD_ERR); } /* * Read idm_conn_t */ if (mdb_vread(&ic, sizeof (idm_conn_t), addr) != sizeof (idm_conn_t)) { return (DCMD_ERR); } conn_type = (ic.ic_conn_type == CONN_TYPE_INI) ? "Ini" : (ic.ic_conn_type == CONN_TYPE_TGT) ? "Tgt" : "Unk"; /* * Brief output * * idm_conn_t pointer * idm_conn_t.ic_conn_type * idm_conn_t.ic_statet+idm_conn_t.ic_ffp */ verbose = idc->idc_verbose; states = idc->u.child.idc_states; rc_audit = idc->u.child.idc_rc_audit; if (idc->u.child.idc_conn) { if (idc->idc_verbose) { mdb_printf("IDM Conn %p\n", addr); if (ic.ic_conn_type == CONN_TYPE_TGT) { iscsi_print_iscsit_conn_data(&ic); } else { iscsi_print_idm_conn_data(&ic); } } else { /* Print connection data */ if (idc->idc_header) { mdb_printf("%%-?s %-6s %-10s %12s%\n", "idm_conn_t", "Type", "Transport", "State/FFP"); } mdb_printf("%?p %-6s %-10s %6d/%-6d\n", addr, conn_type, (ic.ic_transport_type == IDM_TRANSPORT_TYPE_ISER) ? "ISER_IB" : (ic.ic_transport_type == IDM_TRANSPORT_TYPE_SOCKETS) ? "SOCKETS" : "N/A", ic.ic_state, ic.ic_ffp); if (idc->u.child.idc_print_ip) { sa_to_str(&ic.ic_laddr, laddr); sa_to_str(&ic.ic_raddr, raddr); mdb_printf(" L%s R%s\n", laddr, raddr); } } } idc->idc_header = 0; idc->idc_verbose = 0; /* * Print states if requested */ if (states) { states_addr = addr + offsetof(idm_conn_t, ic_state_audit); (void) mdb_inc_indent(4); mdb_printf("State History:\n"); if (iscsi_sm_audit_impl(states_addr) != DCMD_OK) return (DCMD_ERR); /* Don't print state history for child objects */ idc->u.child.idc_states = 0; (void) mdb_dec_indent(4); } /* * Print refcnt audit data if requested */ if (rc_audit) { (void) mdb_inc_indent(4); mdb_printf("Reference History:\n"); rc_addr = addr + offsetof(idm_conn_t, ic_refcnt); if (iscsi_refcnt_impl(rc_addr) != DCMD_OK) return (DCMD_ERR); /* Don't print audit data for child objects */ idc->u.child.idc_rc_audit = 0; (void) mdb_dec_indent(4); } task_idx = 0; /* Any child objects to walk? */ if (idc->u.child.idc_task || idc->u.child.idc_buffer) { idc->idc_header = 1; while (task_idx < IDM_TASKIDS_MAX) { /* * Read the next idm_task_t */ if (mdb_vread(&task_addr, sizeof (uintptr_t), task_ptr) != sizeof (uintptr_t)) { mdb_warn("Failed to read task pointer"); return (DCMD_ERR); } if (task_addr == NULL) { task_ptr += sizeof (uintptr_t); task_idx++; continue; } if (mdb_vread(&idt, sizeof (idm_task_t), task_addr) != sizeof (idm_task_t)) { mdb_warn("Failed to read task pointer"); return (DCMD_ERR); } if (((uintptr_t)idt.idt_ic == addr) && (idt.idt_state != TASK_IDLE)) { (void) mdb_inc_indent(4); if (iscsi_i_task_impl(&idt, task_addr, idc) == -1) { mdb_warn("Failed to walk connection " "task tree"); (void) mdb_dec_indent(4); return (DCMD_ERR); } (void) mdb_dec_indent(4); } task_ptr += sizeof (uintptr_t); task_idx++; } idc->idc_header = 0; } idc->idc_verbose = verbose; idc->u.child.idc_states = states; idc->u.child.idc_rc_audit = rc_audit; return (DCMD_OK); } static void iscsi_print_iscsit_conn_data(idm_conn_t *ic) { iscsit_conn_t ict; char *csg; char *nsg; iscsi_print_idm_conn_data(ic); if (mdb_vread(&ict, sizeof (iscsit_conn_t), (uintptr_t)ic->ic_handle) != sizeof (iscsit_conn_t)) { mdb_printf("**Failed to read conn private data\n"); return; } if (ict.ict_login_sm.icl_login_state != ILS_LOGIN_DONE) { switch (ict.ict_login_sm.icl_login_csg) { case ISCSI_SECURITY_NEGOTIATION_STAGE: csg = "Security"; break; case ISCSI_OP_PARMS_NEGOTIATION_STAGE: csg = "Operational"; break; case ISCSI_FULL_FEATURE_PHASE: csg = "FFP"; break; default: csg = "Unknown"; } switch (ict.ict_login_sm.icl_login_nsg) { case ISCSI_SECURITY_NEGOTIATION_STAGE: nsg = "Security"; break; case ISCSI_OP_PARMS_NEGOTIATION_STAGE: nsg = "Operational"; break; case ISCSI_FULL_FEATURE_PHASE: nsg = "FFP"; break; default: nsg = "Unknown"; } mdb_printf("%20s: %d\n", "Login State", ict.ict_login_sm.icl_login_state); mdb_printf("%20s: %d\n", "Login Last State", ict.ict_login_sm.icl_login_last_state); mdb_printf("%20s: %s\n", "CSG", csg); mdb_printf("%20s: %s\n", "NSG", nsg); mdb_printf("%20s: %d\n", "Transit", ict.ict_login_sm.icl_login_transit >> 7); mdb_printf("%20s: %p\n", "Request nvlist", ict.ict_login_sm.icl_request_nvlist); mdb_printf("%20s: %p\n", "Response nvlist", ict.ict_login_sm.icl_response_nvlist); mdb_printf("%20s: %p\n", "Negotiated nvlist", ict.ict_login_sm.icl_negotiated_values); if (ict.ict_login_sm.icl_login_state == ILS_LOGIN_ERROR) { mdb_printf("%20s: 0x%02x\n", "Error Class", ict.ict_login_sm.icl_login_resp_err_class); mdb_printf("%20s: 0x%02x\n", "Error Detail", ict.ict_login_sm.icl_login_resp_err_detail); } } mdb_printf("%20s: 0x%04x\n", "CID", ict.ict_cid); mdb_printf("%20s: 0x%08x\n", "StatSN", ict.ict_statsn); } static void iscsi_print_idm_conn_data(idm_conn_t *ic) { char laddr[PORTAL_STR_LEN]; char raddr[PORTAL_STR_LEN]; sa_to_str(&ic->ic_laddr, laddr); sa_to_str(&ic->ic_raddr, raddr); mdb_printf("%20s: %s\n", "Conn Type", ((ic->ic_conn_type == CONN_TYPE_TGT) ? "Target" : ((ic->ic_conn_type == CONN_TYPE_INI) ? "Initiator" : "Unknown"))); if (ic->ic_conn_type == CONN_TYPE_TGT) { mdb_printf("%20s: %p\n", "Svc. Binding", ic->ic_svc_binding); } mdb_printf("%20s: %s\n", "Transport", (ic->ic_transport_type == IDM_TRANSPORT_TYPE_ISER) ? "ISER_IB" : (ic->ic_transport_type == IDM_TRANSPORT_TYPE_SOCKETS) ? "SOCKETS" : "N/A"); mdb_printf("%20s: %s\n", "Local IP", laddr); mdb_printf("%20s: %s\n", "Remote IP", raddr); mdb_printf("%20s: %d\n", "State", ic->ic_state); mdb_printf("%20s: %d\n", "Last State", ic->ic_last_state); mdb_printf("%20s: %d %s\n", "Refcount", ic->ic_refcnt.ir_refcnt, (ic->ic_refcnt.ir_waiting == REF_NOWAIT) ? "" : ((ic->ic_refcnt.ir_waiting == REF_WAIT_SYNC) ? "REF_WAIT_SYNC" : ((ic->ic_refcnt.ir_waiting == REF_WAIT_ASYNC) ? "REF_WAIT_ASYNC" : "UNKNOWN"))); } static int iscsi_i_task_impl(idm_task_t *idt, uintptr_t addr, iscsi_dcmd_ctrl_t *idc) { uintptr_t list_addr, rc_addr; idm_conn_type_t conn_type; int verbose, states, rc_audit; conn_type = idm_conn_type((uintptr_t)idt->idt_ic); verbose = idc->idc_verbose; states = idc->u.child.idc_states; rc_audit = idc->u.child.idc_rc_audit; if (idc->u.child.idc_task) { if (verbose) { mdb_printf("Task %p\n", addr); (void) mdb_inc_indent(2); if (conn_type == CONN_TYPE_TGT) { iscsi_print_iscsit_task_data(idt); } (void) mdb_dec_indent(2); } else { /* Print task data */ if (idc->idc_header) { mdb_printf( "%%-?s %-16s %-4s %-8s %-8s%\n", "Tasks:", "State", "Ref", (conn_type == CONN_TYPE_TGT ? "TTT" : (conn_type == CONN_TYPE_INI ? "ITT" : "TT")), "Handle"); } mdb_printf("%?p %-16s %04x %08x %08x\n", addr, idm_ts_name[idt->idt_state], idt->idt_refcnt.ir_refcnt, idt->idt_tt, idt->idt_client_handle); } } idc->idc_header = 0; idc->idc_verbose = 0; /* * Print states if requested */ #if 0 if (states) { states_addr = addr + offsetof(idm_task_t, idt_state_audit); (void) mdb_inc_indent(4); mdb_printf("State History:\n"); if (iscsi_sm_audit_impl(states_addr) != DCMD_OK) return (DCMD_ERR); /* Don't print state history for child objects */ idc->u.child.idc_states = 0; (void) mdb_dec_indent(4); } #endif /* * Print refcnt audit data if requested */ if (rc_audit) { (void) mdb_inc_indent(4); mdb_printf("Reference History:\n"); rc_addr = addr + offsetof(idm_task_t, idt_refcnt); if (iscsi_refcnt_impl(rc_addr) != DCMD_OK) return (DCMD_ERR); /* Don't print audit data for child objects */ idc->u.child.idc_rc_audit = 0; (void) mdb_dec_indent(4); } /* Buffers are leaf objects */ if (idc->u.child.idc_buffer) { /* Walk in buffer list */ (void) mdb_inc_indent(2); mdb_printf("In buffers:\n"); idc->idc_header = 1; (void) mdb_inc_indent(2); list_addr = addr + offsetof(idm_task_t, idt_inbufv); if (mdb_pwalk("list", iscsi_buffer_walk_cb, idc, list_addr) == -1) { mdb_warn("list walk failed for task in buffers"); (void) mdb_dec_indent(4); return (DCMD_ERR); } (void) mdb_dec_indent(2); /* Walk out buffer list */ mdb_printf("Out buffers:\n"); idc->idc_header = 1; (void) mdb_inc_indent(2); list_addr = addr + offsetof(idm_task_t, idt_outbufv); if (mdb_pwalk("list", iscsi_buffer_walk_cb, idc, list_addr) == -1) { mdb_warn("list walk failed for task out buffers\n"); (void) mdb_dec_indent(2); return (DCMD_ERR); } (void) mdb_dec_indent(4); } idc->idc_verbose = verbose; idc->u.child.idc_states = states; idc->u.child.idc_rc_audit = rc_audit; return (DCMD_OK); } static int iscsi_task_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc) { idm_task_t idt; /* * Read idm_conn_t */ if (mdb_vread(&idt, sizeof (idm_task_t), addr) != sizeof (idm_task_t)) { return (DCMD_ERR); } return (iscsi_i_task_impl(&idt, addr, idc)); } #define ISCSI_CDB_INDENT 16 static void iscsi_print_iscsit_task_data(idm_task_t *idt) { iscsit_task_t itask; boolean_t good_scsi_task = B_TRUE; scsi_task_t scsi_task; if (mdb_vread(&itask, sizeof (iscsit_task_t), (uintptr_t)idt->idt_private) != sizeof (iscsit_task_t)) { mdb_printf("**Failed to read idt_private data\n"); return; } if (mdb_vread(&scsi_task, sizeof (scsi_task_t), (uintptr_t)itask.it_stmf_task) != sizeof (scsi_task_t)) { good_scsi_task = B_FALSE; } mdb_printf("%20s: %s(%d)\n", "State", idt->idt_state > TASK_MAX_STATE ? "UNKNOWN" : idm_ts_name[idt->idt_state], idt->idt_state); mdb_printf("%20s: %d/%d\n", "STMF abort/IDM aborted", itask.it_stmf_abort, itask.it_aborted); mdb_printf("%20s: %p/%p/%p%s\n", "iscsit/STMF/LU", idt->idt_private, itask.it_stmf_task, good_scsi_task ? scsi_task.task_lu_private : 0, good_scsi_task ? "" : "**"); if (good_scsi_task) { mdb_printf("%20s: %08x/%08x\n", "ITT/TTT", itask.it_itt, itask.it_ttt); mdb_printf("%20s: %08x\n", "CmdSN", itask.it_cmdsn); mdb_printf("%20s: %02x %02x %02x %02x %02x %02x %02x %02x\n", "LU number", scsi_task.task_lun_no[0], scsi_task.task_lun_no[1], scsi_task.task_lun_no[2], scsi_task.task_lun_no[3], scsi_task.task_lun_no[4], scsi_task.task_lun_no[5], scsi_task.task_lun_no[6], scsi_task.task_lun_no[7]); mdb_printf(" CDB (%d bytes):\n", scsi_task.task_cdb_length); (void) mdb_inc_indent(ISCSI_CDB_INDENT); if (mdb_dumpptr((uintptr_t)scsi_task.task_cdb, scsi_task.task_cdb_length, MDB_DUMP_RELATIVE | MDB_DUMP_TRIM | MDB_DUMP_GROUP(1), (mdb_dumpptr_cb_t)mdb_vread, NULL)) { mdb_printf("** Invalid CDB addr (%p)\n", scsi_task.task_cdb); } (void) mdb_dec_indent(ISCSI_CDB_INDENT); mdb_printf("%20s: %d/%d\n", "STMF cur/max bufs", scsi_task.task_cur_nbufs, scsi_task.task_max_nbufs); mdb_printf("%20s: 0x%08x/0x%08x/0x%08x\n", "Bytes Exp/Cmd/Done", scsi_task.task_expected_xfer_length, scsi_task.task_cmd_xfer_length, scsi_task.task_nbytes_transferred); mdb_printf("%20s: 0x%x/0x%x\n", "TX-ini start/done", idt->idt_tx_to_ini_start, idt->idt_tx_to_ini_done); mdb_printf("%20s: 0x%x/0x%x\n", "RX-ini start/done", idt->idt_rx_from_ini_start, idt->idt_rx_from_ini_done); } } static int iscsi_buffer_impl(uintptr_t addr, iscsi_dcmd_ctrl_t *idc) { idm_buf_t idb; /* * Read idm_buf_t */ if (mdb_vread(&idb, sizeof (idm_buf_t), addr) != sizeof (idm_buf_t)) { return (DCMD_ERR); } if (idc->idc_header) { mdb_printf("%%-?s %?s/%-8s %8s %8s %8s%\n", "idm_buf_t", "Mem Rgn", "Length", "Rel Off", "Xfer Len", "Exp. Off"); } idc->idc_header = 0; /* Print buffer data */ mdb_printf("%?p %?p/%08x %8x %8x %08x\n", addr, idb.idb_buf, idb.idb_buflen, idb.idb_bufoffset, idb.idb_xfer_len, idb.idb_exp_offset); /* Buffers are leaf objects */ return (DCMD_OK); } static int iscsi_refcnt_impl(uintptr_t addr) { idm_refcnt_t refcnt; refcnt_audit_buf_t *anb; int ctr; /* * Print refcnt info */ if (mdb_vread(&refcnt, sizeof (idm_refcnt_t), addr) != sizeof (idm_refcnt_t)) { return (DCMD_ERR); } anb = &refcnt.ir_audit_buf; ctr = anb->anb_max_index + 1; anb->anb_index--; anb->anb_index &= anb->anb_max_index; while (ctr) { refcnt_audit_record_t *anr; anr = anb->anb_records + anb->anb_index; if (anr->anr_depth) { char c[MDB_SYM_NAMLEN]; GElf_Sym sym; int i; mdb_printf("\nRefCnt: %u\t", anr->anr_refcnt); for (i = 0; i < anr->anr_depth; i++) { if (mdb_lookup_by_addr(anr->anr_stack[i], MDB_SYM_FUZZY, c, sizeof (c), &sym) == -1) { continue; } mdb_printf("%s+0x%1x", c, anr->anr_stack[i] - (uintptr_t)sym.st_value); ++i; break; } while (i < anr->anr_depth) { if (mdb_lookup_by_addr(anr->anr_stack[i], MDB_SYM_FUZZY, c, sizeof (c), &sym) == -1) { ++i; continue; } mdb_printf("\n\t\t%s+0x%1x", c, anr->anr_stack[i] - (uintptr_t)sym.st_value); ++i; } mdb_printf("\n"); } anb->anb_index--; anb->anb_index &= anb->anb_max_index; ctr--; } return (DCMD_OK); } static int iscsi_sm_audit_impl(uintptr_t addr) { sm_audit_buf_t audit_buf; int ctr; const char *event_name; const char *state_name; const char *new_state_name; char ts_string[40]; /* * Print refcnt info */ if (mdb_vread(&audit_buf, sizeof (sm_audit_buf_t), addr) != sizeof (sm_audit_buf_t)) { return (DCMD_ERR); } ctr = audit_buf.sab_max_index + 1; audit_buf.sab_index++; audit_buf.sab_index &= audit_buf.sab_max_index; while (ctr) { sm_audit_record_t *sar; sar = audit_buf.sab_records + audit_buf.sab_index; iscsi_format_timestamp(ts_string, 40, &sar->sar_timestamp); switch (sar->sar_type) { case SAR_STATE_EVENT: switch (sar->sar_sm_type) { case SAS_IDM_CONN: state_name = iscsi_idm_conn_state(sar->sar_state); event_name = iscsi_idm_conn_event(sar->sar_event); break; case SAS_ISCSIT_TGT: state_name = iscsi_iscsit_tgt_state(sar->sar_state); event_name = iscsi_iscsit_tgt_event(sar->sar_event); break; case SAS_ISCSIT_SESS: state_name = iscsi_iscsit_sess_state(sar->sar_state); event_name = iscsi_iscsit_sess_event(sar->sar_event); break; case SAS_ISCSIT_LOGIN: state_name = iscsi_iscsit_login_state(sar->sar_state); event_name = iscsi_iscsit_login_event(sar->sar_event); break; case SAS_ISCSI_CMD: state_name = iscsi_iscsi_cmd_state(sar->sar_state); event_name= iscsi_iscsi_cmd_event(sar->sar_event); break; case SAS_ISCSI_SESS: state_name = iscsi_iscsi_sess_state(sar->sar_state); event_name= iscsi_iscsi_sess_event(sar->sar_event); break; case SAS_ISCSI_CONN: state_name = iscsi_iscsi_conn_state(sar->sar_state); event_name= iscsi_iscsi_conn_event(sar->sar_event); break; default: state_name = event_name = "N/A"; break; } mdb_printf("%s|%s (%d)\n\t%9s %s (%d) %p\n", ts_string, state_name, sar->sar_state, "Event", event_name, sar->sar_event, sar->sar_event_info); break; case SAR_STATE_CHANGE: switch (sar->sar_sm_type) { case SAS_IDM_CONN: state_name = iscsi_idm_conn_state(sar->sar_state); new_state_name = iscsi_idm_conn_state(sar->sar_new_state); break; case SAS_IDM_TASK: state_name = iscsi_idm_task_state(sar->sar_state); new_state_name = iscsi_idm_task_state(sar->sar_new_state); break; case SAS_ISCSIT_TGT: state_name = iscsi_iscsit_tgt_state(sar->sar_state); new_state_name = iscsi_iscsit_tgt_state(sar->sar_new_state); break; case SAS_ISCSIT_SESS: state_name = iscsi_iscsit_sess_state(sar->sar_state); new_state_name = iscsi_iscsit_sess_state(sar->sar_new_state); break; case SAS_ISCSIT_LOGIN: state_name = iscsi_iscsit_login_state(sar->sar_state); new_state_name = iscsi_iscsit_login_state( sar->sar_new_state); break; case SAS_ISCSI_CMD: state_name = iscsi_iscsi_cmd_state(sar->sar_state); new_state_name= iscsi_iscsi_cmd_state(sar->sar_new_state); break; case SAS_ISCSI_SESS: state_name = iscsi_iscsi_sess_state(sar->sar_state); new_state_name= iscsi_iscsi_sess_state(sar->sar_new_state); break; case SAS_ISCSI_CONN: state_name = iscsi_iscsi_conn_state(sar->sar_state); new_state_name= iscsi_iscsi_conn_state(sar->sar_new_state); break; case SAS_ISCSI_LOGIN: state_name = iscsi_iscsi_login_state(sar->sar_state); new_state_name= iscsi_iscsi_login_state(sar->sar_new_state); break; default: break; } mdb_printf("%s|%s (%d)\n\t%9s %s (%d)\n", ts_string, state_name, sar->sar_state, "New State", new_state_name, sar->sar_new_state); default: state_name = new_state_name = "N/A"; break; } audit_buf.sab_index++; audit_buf.sab_index &= audit_buf.sab_max_index; ctr--; } return (DCMD_OK); } static const char * iscsi_idm_conn_event(unsigned int event) { return ((event < CE_MAX_EVENT) ? idm_ce_name[event] : "N/A"); } static const char * iscsi_iscsit_tgt_event(unsigned int event) { return ((event < TE_MAX_EVENT) ? iscsit_te_name[event] : "N/A"); } static const char * iscsi_iscsit_sess_event(unsigned int event) { return ((event < SE_MAX_EVENT) ? iscsit_se_name[event] : "N/A"); } static const char * iscsi_iscsit_login_event(unsigned int event) { return ((event < ILE_MAX_EVENT) ? iscsit_ile_name[event] : "N/A"); } static const char * iscsi_iscsi_cmd_event(unsigned int event) { return ((event < ISCSI_CMD_EVENT_MAX) ? iscsi_cmd_event_names[event] : "N/A"); } static const char * iscsi_iscsi_sess_event(unsigned int event) { return ((event < ISCSI_SESS_EVENT_MAX) ? iscsi_sess_event_names[event] : "N/A"); } static const char * iscsi_idm_conn_state(unsigned int state) { return ((state < CS_MAX_STATE) ? idm_cs_name[state] : "N/A"); } static const char * iscsi_iscsi_conn_event(unsigned int event) { return ((event < CN_MAX) ? idm_cn_strings[event] : "N/A"); } /*ARGSUSED*/ static const char * iscsi_idm_task_state(unsigned int state) { return ("N/A"); } static const char * iscsi_iscsit_tgt_state(unsigned int state) { return ((state < TS_MAX_STATE) ? iscsit_ts_name[state] : "N/A"); } static const char * iscsi_iscsit_sess_state(unsigned int state) { return ((state < SS_MAX_STATE) ? iscsit_ss_name[state] : "N/A"); } static const char * iscsi_iscsit_login_state(unsigned int state) { return ((state < ILS_MAX_STATE) ? iscsit_ils_name[state] : "N/A"); } static const char * iscsi_iscsi_cmd_state(unsigned int state) { return ((state < ISCSI_CMD_STATE_MAX) ? iscsi_cmd_state_names[state] : "N/A"); } static const char * iscsi_iscsi_sess_state(unsigned int state) { return ((state < ISCSI_SESS_STATE_MAX) ? iscsi_sess_state_names[state] : "N/A"); } static const char * iscsi_iscsi_conn_state(unsigned int state) { return ((state < ISCSI_CONN_STATE_MAX) ? iscsi_ics_name[state] : "N/A"); } static const char * iscsi_iscsi_login_state(unsigned int state) { return ((state < LOGIN_MAX) ? iscsi_login_state_names[state] : "N/A"); } /* * Retrieve connection type given a kernel address */ static idm_conn_type_t idm_conn_type(uintptr_t addr) { idm_conn_type_t result = 0; /* Unknown */ uintptr_t idm_conn_type_addr; idm_conn_type_addr = addr + offsetof(idm_conn_t, ic_conn_type); (void) mdb_vread(&result, sizeof (result), idm_conn_type_addr); return (result); } /* * Convert a sockaddr to the string representation, suitable for * storing in an nvlist or printing out in a list. */ static int sa_to_str(struct sockaddr_storage *sa, char *buf) { char pbuf[7]; const char *bufp; struct sockaddr_in *sin; struct sockaddr_in6 *sin6; uint16_t port; if (!sa || !buf) { return (EINVAL); } buf[0] = '\0'; if (sa->ss_family == AF_INET) { sin = (struct sockaddr_in *)sa; bufp = iscsi_inet_ntop(AF_INET, (const void *)&(sin->sin_addr.s_addr), buf, PORTAL_STR_LEN); if (bufp == NULL) { return (-1); } mdb_nhconvert(&port, &sin->sin_port, sizeof (uint16_t)); } else if (sa->ss_family == AF_INET6) { strlcat(buf, "[", sizeof (buf)); sin6 = (struct sockaddr_in6 *)sa; bufp = iscsi_inet_ntop(AF_INET6, (const void *)&sin6->sin6_addr.s6_addr, &buf[1], PORTAL_STR_LEN - 1); if (bufp == NULL) { return (-1); } strlcat(buf, "]", PORTAL_STR_LEN); mdb_nhconvert(&port, &sin->sin_port, sizeof (uint16_t)); } else { return (EINVAL); } mdb_snprintf(pbuf, sizeof (pbuf), ":%u", port); strlcat(buf, pbuf, PORTAL_STR_LEN); return (0); } static void iscsi_format_timestamp(char *ts_str, int strlen, timespec_t *ts) { mdb_snprintf(ts_str, strlen, "%Y:%03d:%03d:%03d", ts->tv_sec, (ts->tv_nsec / 1000000) % 1000, (ts->tv_nsec / 1000) % 1000, ts->tv_nsec % 1000); } /* * Help information for the iscsi_isns dcmd */ static void iscsi_isns_help(void) { mdb_printf("iscsi_isns:\n"); mdb_inc_indent(4); mdb_printf("-e: Print ESI information\n"); mdb_printf("-p: Print portal information\n"); mdb_printf("-s: Print iSNS server information\n"); mdb_printf("-t: Print target information\n"); mdb_printf("-v: Add verbosity to the other options' output\n"); mdb_dec_indent(4); } /* ARGSUSED */ static int iscsi_isns_esi_cb(uintptr_t addr, const void *walker_data, void *data) { isns_esi_tinfo_t tinfo; if (mdb_vread(&tinfo, sizeof (isns_esi_tinfo_t), addr) != sizeof (isns_esi_tinfo_t)) { return (WALK_ERR); } mdb_printf("ESI thread/thr did : 0x%p / %d\n", tinfo.esi_thread, tinfo.esi_thread_did); mdb_printf("ESI sonode : 0x%p\n", tinfo.esi_so); mdb_printf("ESI port : %d\n", tinfo.esi_port); mdb_printf("ESI thread running : %s\n", (tinfo.esi_thread_running) ? "Yes" : "No"); return (WALK_NEXT); } static int iscsi_isns_esi(iscsi_dcmd_ctrl_t *idc) { GElf_Sym sym; uintptr_t addr; if (mdb_lookup_by_name("esi", &sym) == -1) { mdb_warn("failed to find symbol 'esi_list'"); return (DCMD_ERR); } addr = (uintptr_t)sym.st_value; idc->idc_header = 1; (void) iscsi_isns_esi_cb(addr, NULL, idc); return (0); } /* ARGSUSED */ static int iscsi_isns_portal_cb(uintptr_t addr, const void *walker_data, void *data) { iscsi_dcmd_ctrl_t *idc = (iscsi_dcmd_ctrl_t *)data; isns_portal_t portal; char portal_addr[PORTAL_STR_LEN]; struct sockaddr_storage *ss; char ts_string[40]; if (mdb_vread(&portal, sizeof (isns_portal_t), addr) != sizeof (isns_portal_t)) { return (WALK_ERR); } ss = &portal.portal_addr; sa_to_str(ss, portal_addr); mdb_printf("Portal IP address "); if (ss->ss_family == AF_INET) { mdb_printf("(v4): %s", portal_addr); } else { mdb_printf("(v6): %s", portal_addr); } if (portal.portal_default == B_TRUE) { mdb_printf(" (Default portal)\n"); } else { mdb_printf("\n"); } if (portal.portal_iscsit != NULL) { mdb_printf("(Part of TPG: 0x%x)\n", portal.portal_iscsit); } iscsi_format_timestamp(ts_string, 40, &portal.portal_esi_timestamp); mdb_printf("Portal ESI timestamp: 0x%p\n\n", ts_string); if ((portal.portal_iscsit != NULL) && (idc->idc_verbose)) { mdb_inc_indent(4); iscsi_portal_impl((uintptr_t)portal.portal_iscsit, idc); mdb_dec_indent(4); } return (WALK_NEXT); } static int iscsi_isns_portals(iscsi_dcmd_ctrl_t *idc) { GElf_Sym sym; uintptr_t portal_list; mdb_printf("All Active Portals:\n"); if (mdb_lookup_by_name("isns_all_portals", &sym) == -1) { mdb_warn("failed to find symbol 'isns_all_portals'"); return (DCMD_ERR); } portal_list = (uintptr_t)sym.st_value; idc->idc_header = 1; if (mdb_pwalk("avl", iscsi_isns_portal_cb, idc, portal_list) == -1) { mdb_warn("avl walk failed for isns_all_portals"); return (DCMD_ERR); } mdb_printf("\nPortals from TPGs:\n"); if (mdb_lookup_by_name("isns_tpg_portals", &sym) == -1) { mdb_warn("failed to find symbol 'isns_tpg_portals'"); return (DCMD_ERR); } portal_list = (uintptr_t)sym.st_value; idc->idc_header = 1; if (mdb_pwalk("avl", iscsi_isns_portal_cb, idc, portal_list) == -1) { mdb_warn("avl walk failed for isns_tpg_portals"); return (DCMD_ERR); } return (0); } /* ARGSUSED */ static int iscsi_isns_targets_cb(uintptr_t addr, const void *walker_data, void *data) { iscsi_dcmd_ctrl_t *idc = (iscsi_dcmd_ctrl_t *)data; isns_target_t itarget; int rc = 0; if (mdb_vread(&itarget, sizeof (isns_target_t), addr) != sizeof (isns_target_t)) { return (WALK_ERR); } idc->idc_header = 1; mdb_printf("Target: %p\n", addr); mdb_inc_indent(4); mdb_printf("Registered: %s\n", (itarget.target_registered) ? "Yes" : "No"); mdb_printf("Update needed: %s\n", (itarget.target_update_needed) ? "Yes" : "No"); mdb_printf("Target Info: %p\n", itarget.target_info); rc = iscsi_tgt_impl((uintptr_t)itarget.target, idc); mdb_dec_indent(4); if (rc == DCMD_OK) { return (WALK_NEXT); } return (WALK_ERR); } static int iscsi_isns_targets(iscsi_dcmd_ctrl_t *idc) { GElf_Sym sym; uintptr_t isns_target_list; if (mdb_lookup_by_name("isns_target_list", &sym) == -1) { mdb_warn("failed to find symbol 'isns_target_list'"); return (DCMD_ERR); } isns_target_list = (uintptr_t)sym.st_value; idc->idc_header = 1; idc->u.child.idc_tgt = 1; if (mdb_pwalk("avl", iscsi_isns_targets_cb, idc, isns_target_list) == -1) { mdb_warn("avl walk failed for isns_target_list"); return (DCMD_ERR); } return (0); } /* ARGSUSED */ static int iscsi_isns_servers_cb(uintptr_t addr, const void *walker_data, void *data) { iscsit_isns_svr_t server; char server_addr[PORTAL_STR_LEN]; struct sockaddr_storage *ss; clock_t lbolt; iscsi_dcmd_ctrl_t *idc = (iscsi_dcmd_ctrl_t *)data; uintptr_t avl_addr; if (mdb_vread(&server, sizeof (iscsit_isns_svr_t), addr) != sizeof (iscsit_isns_svr_t)) { return (WALK_ERR); } if ((lbolt = (clock_t)mdb_get_lbolt()) == -1) return (WALK_ERR); mdb_printf("iSNS server %p:\n", addr); mdb_inc_indent(4); ss = &server.svr_sa; sa_to_str(ss, server_addr); mdb_printf("IP address "); if (ss->ss_family == AF_INET) { mdb_printf("(v4): %s\n", server_addr); } else { mdb_printf("(v6): %s\n", server_addr); } mdb_printf("ESI Interval: %d seconds\n", server.svr_esi_interval); mdb_printf("Last message: %d seconds ago\n", ((lbolt - server.svr_last_msg) / 100)); mdb_printf("Client registered: %s\n", (server.svr_registered) ? "Yes" : "No"); mdb_printf("Retry Count: %d\n", server.svr_retry_count); mdb_printf("Targets Changes Pending: %s\n", (server.svr_targets_changed) ? "Yes" : "No"); mdb_printf("Delete Pending: %s\n", (server.svr_delete_needed) ? "Yes" : "No"); mdb_printf("Replace-All Needed: %s\n", (server.svr_reset_needed) ? "Yes" : "No"); if (idc->idc_verbose) { idc->idc_header = 1; idc->u.child.idc_tgt = 1; mdb_inc_indent(2); avl_addr = addr + offsetof(iscsit_isns_svr_t, svr_target_list); if (mdb_pwalk("avl", iscsi_isns_targets_cb, idc, avl_addr) == -1) { mdb_warn("avl walk failed for svr_target_list"); return (WALK_ERR); } mdb_dec_indent(2); } mdb_dec_indent(4); return (WALK_NEXT); } static int iscsi_isns_servers(iscsi_dcmd_ctrl_t *idc) { uintptr_t iscsit_global_addr; uintptr_t list_addr; GElf_Sym sym; if (mdb_lookup_by_name("iscsit_global", &sym) == -1) { mdb_warn("failed to find symbol 'iscsit_global'"); return (DCMD_ERR); } iscsit_global_addr = (uintptr_t)sym.st_value; idc->idc_header = 1; list_addr = iscsit_global_addr + offsetof(iscsit_global_t, global_isns_cfg.isns_svrs); if (mdb_pwalk("list", iscsi_isns_servers_cb, idc, list_addr) == -1) { mdb_warn("list walk failed for iSNS servers"); return (DCMD_ERR); } return (0); } /* ARGSUSED */ static int iscsi_isns(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { iscsi_dcmd_ctrl_t idc; int portals = 0, esi = 0, targets = 0, verbose = 0, servers = 0; if (flags & DCMD_ADDRSPEC) { mdb_warn("iscsi_isns is only a global dcmd."); return (DCMD_ERR); } bzero(&idc, sizeof (idc)); if (mdb_getopts(argc, argv, 'e', MDB_OPT_SETBITS, TRUE, &esi, 'p', MDB_OPT_SETBITS, TRUE, &portals, 's', MDB_OPT_SETBITS, TRUE, &servers, 't', MDB_OPT_SETBITS, TRUE, &targets, 'v', MDB_OPT_SETBITS, TRUE, &verbose, NULL) != argc) return (DCMD_USAGE); if ((esi + portals + targets + servers) > 1) { mdb_printf("Only one of e, p, s, and t must be provided"); return (DCMD_ERR); } if ((esi | portals | targets | servers) == 0) { mdb_printf("Exactly one of e, p, s, or t must be provided"); return (DCMD_ERR); } idc.idc_verbose = verbose; if (esi) { return (iscsi_isns_esi(&idc)); } if (portals) { return (iscsi_isns_portals(&idc)); } if (servers) { return (iscsi_isns_servers(&idc)); } return (iscsi_isns_targets(&idc)); } /* * iscsi_inet_ntop -- Convert an IPv4 or IPv6 address in binary form into * printable form, and return a pointer to that string. Caller should * provide a buffer of correct length to store string into. * Note: this routine is kernel version of inet_ntop. It has similar * format as iscsi_inet_ntop() defined in rfc2553. But it does not do * error handling operations exactly as rfc2553 defines. This function * is used by kernel inet directory routines only for debugging. * This iscsi_inet_ntop() function, does not return NULL if third argument * is NULL. The reason is simple that we don't want kernel to panic * as the output of this function is directly fed to ipdbg macro. * Instead it uses a local buffer for destination address for * those calls which purposely pass NULL ptr for the destination * buffer. This function is thread-safe when the caller passes a non- * null buffer with the third argument. */ /* ARGSUSED */ #define OK_16PTR(p) (!((uintptr_t)(p) & 0x1)) #if defined(__x86) #define OK_32PTR(p) OK_16PTR(p) #else #define OK_32PTR(p) (!((uintptr_t)(p) & 0x3)) #endif char * iscsi_inet_ntop(int af, const void *addr, char *buf, int addrlen) { static char local_buf[PORTAL_STR_LEN]; static char *err_buf1 = ""; static char *err_buf2 = ""; in6_addr_t *v6addr; uchar_t *v4addr; char *caddr; /* * We don't allow thread unsafe iscsi_inet_ntop calls, they * must pass a non-null buffer pointer. For DEBUG mode * we use the ASSERT() and for non-debug kernel it will * silently allow it for now. Someday we should remove * the static buffer from this function. */ ASSERT(buf != NULL); if (buf == NULL) buf = local_buf; buf[0] = '\0'; /* Let user know politely not to send NULL or unaligned addr */ if (addr == NULL || !(OK_32PTR(addr))) { return (err_buf1); } #define UC(b) (((int)b) & 0xff) switch (af) { case AF_INET: ASSERT(addrlen >= INET_ADDRSTRLEN); v4addr = (uchar_t *)addr; (void) mdb_snprintf(buf, INET6_ADDRSTRLEN, "%03d.%03d.%03d.%03d", UC(v4addr[0]), UC(v4addr[1]), UC(v4addr[2]), UC(v4addr[3])); return (buf); case AF_INET6: ASSERT(addrlen >= INET6_ADDRSTRLEN); v6addr = (in6_addr_t *)addr; if (IN6_IS_ADDR_V4MAPPED(v6addr)) { caddr = (char *)addr; (void) mdb_snprintf(buf, INET6_ADDRSTRLEN, "::ffff:%d.%d.%d.%d", UC(caddr[12]), UC(caddr[13]), UC(caddr[14]), UC(caddr[15])); } else if (IN6_IS_ADDR_V4COMPAT(v6addr)) { caddr = (char *)addr; (void) mdb_snprintf(buf, INET6_ADDRSTRLEN, "::%d.%d.%d.%d", UC(caddr[12]), UC(caddr[13]), UC(caddr[14]), UC(caddr[15])); } else if (IN6_IS_ADDR_UNSPECIFIED(v6addr)) { (void) mdb_snprintf(buf, INET6_ADDRSTRLEN, "::"); } else { convert2ascii(buf, v6addr); } return (buf); default: return (err_buf2); } #undef UC } /* * * v6 formats supported * General format xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx * The short hand notation :: is used for COMPAT addr * Other forms : fe80::xxxx:xxxx:xxxx:xxxx */ static void convert2ascii(char *buf, const in6_addr_t *addr) { int hexdigits; int head_zero = 0; int tail_zero = 0; /* tempbuf must be big enough to hold ffff:\0 */ char tempbuf[6]; char *ptr; uint16_t out_addr_component; uint16_t *addr_component; size_t len; boolean_t first = B_FALSE; boolean_t med_zero = B_FALSE; boolean_t end_zero = B_FALSE; addr_component = (uint16_t *)addr; ptr = buf; /* First count if trailing zeroes higher in number */ for (hexdigits = 0; hexdigits < 8; hexdigits++) { if (*addr_component == 0) { if (hexdigits < 4) head_zero++; else tail_zero++; } addr_component++; } addr_component = (uint16_t *)addr; if (tail_zero > head_zero && (head_zero + tail_zero) != 7) end_zero = B_TRUE; for (hexdigits = 0; hexdigits < 8; hexdigits++) { /* if entry is a 0 */ if (*addr_component == 0) { if (!first && *(addr_component + 1) == 0) { if (end_zero && (hexdigits < 4)) { *ptr++ = '0'; *ptr++ = ':'; } else { /* * address starts with 0s .. * stick in leading ':' of pair */ if (hexdigits == 0) *ptr++ = ':'; /* add another */ *ptr++ = ':'; first = B_TRUE; med_zero = B_TRUE; } } else if (first && med_zero) { if (hexdigits == 7) *ptr++ = ':'; addr_component++; continue; } else { *ptr++ = '0'; *ptr++ = ':'; } addr_component++; continue; } if (med_zero) med_zero = B_FALSE; tempbuf[0] = '\0'; mdb_nhconvert(&out_addr_component, addr_component, sizeof (uint16_t)); (void) mdb_snprintf(tempbuf, 6, "%x:", out_addr_component); len = strlen(tempbuf); bcopy(tempbuf, ptr, len); ptr = ptr + len; addr_component++; } *--ptr = '\0'; } /* * MDB module linkage information: * * We declare a list of structures describing our dcmds, a list of structures * describing our walkers and a function named _mdb_init to return a pointer * to our module information. */ static const mdb_dcmd_t dcmds[] = { { "iscsi_tgt", "[-agsctbSRv]", "iSCSI target information", iscsi_tgt }, { "iscsi_tpg", "[-v]", "iSCSI target portal group information", iscsi_tpg }, { "iscsi_sess", "[-abtvcSRIT]", "iSCSI session information", iscsi_sess }, { "iscsi_conn", "[-abtvSRIT]", "iSCSI connection information", iscsi_conn }, { "iscsi_task", "[-bSRv]", "iSCSI task information", iscsi_task }, { "iscsi_refcnt", "", "Print audit informtion for idm_refcnt_t", iscsi_refcnt }, { "iscsi_states", "", "Dump events and state transitions recorded in an\t" "\t\tidm_sm_audit_t structure", iscsi_states }, { "iscsi_isns", "[-epstv]", "Print iscsit iSNS information", iscsi_isns, iscsi_isns_help }, { NULL } }; /* * No walkers for now. Initiator might need some since it doesn't use list_t */ static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, NULL }; const mdb_modinfo_t * _mdb_init(void) { return (&modinfo); }