1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include "mdinclude.h" 30 31 static void 32 printhsp(hot_spare_pool_t hsp, uintptr_t hsp_addr) 33 { 34 int i = 0; 35 uintptr_t hs_addr; 36 int recid; 37 38 mdb_inc_indent(2); 39 mdb_printf("hsp_next: %p\n", hsp.hsp_next); 40 mdb_printf("hsp_link:\n"); 41 mdb_inc_indent(2); 42 mdb_printf("ln_next: %p\n", hsp.hsp_link.ln_next); 43 mdb_printf("ln_setno: %u\n", hsp.hsp_link.ln_setno); 44 mdb_printf("ln_id: %u\n", hsp.hsp_link.ln_id); 45 mdb_inc_indent(2); 46 mdb_printf("--- on disk structures ---\n"); 47 mdb_printf("hsp_revision: %u\n", hsp.hsp_revision); 48 mdb_printf("hsp_self_id: %u \n", hsp.hsp_self_id); 49 mdb_printf("hsp_record_id: %d \n", hsp.hsp_record_id); 50 mdb_printf("hsp_refcount: %d\n", hsp.hsp_refcount); 51 mdb_printf("hsp_nhotspares: %d # Number of slices in the pool\n", 52 hsp.hsp_nhotspares); 53 mdb_inc_indent(1); 54 55 hs_addr = hsp_addr + ((uintptr_t)&hsp.hsp_hotspares - (uintptr_t)&hsp); 56 57 for (i = 0; i < hsp.hsp_nhotspares; i++) { 58 if (mdb_vread(&recid, sizeof (int), hs_addr) != 59 sizeof (int)) { 60 mdb_warn("failed to read recid at %p\n", hs_addr); 61 break; 62 } 63 mdb_printf("hsp_hotspares[%d]: %d", i, recid); 64 mdb_printf(" # should match an hs_record_id in s_hs list\n"); 65 hs_addr += (uintptr_t)sizeof (int); 66 } 67 mdb_dec_indent(1); 68 mdb_printf("--- end of on disk ---\n"); 69 mdb_dec_indent(2); 70 mdb_dec_indent(2); 71 mdb_dec_indent(2); 72 } 73 74 static void 75 process_hsp(uintptr_t addr) 76 { 77 hot_spare_pool_t hsp; 78 79 if (mdb_vread(&hsp, sizeof (hot_spare_pool_t), addr) != 80 sizeof (hot_spare_pool_t)) { 81 mdb_warn("failed to read hot_spare_pool_t at %p\n", addr); 82 return; 83 } 84 mdb_inc_indent(2); 85 mdb_printf("%p\n", addr); 86 printhsp(hsp, addr); 87 mdb_dec_indent(2); 88 } 89 /* 90 * Dump out the hotspare pools 91 * usage: ::dumphotspare 92 */ 93 int 94 dumphotspare(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 95 { 96 if (argc != 0) /* ensure no options */ 97 return (DCMD_USAGE); 98 99 snarf_sets(); 100 101 if (!(flags & DCMD_ADDRSPEC)) { 102 if (mdb_walk_dcmd("hotsparepool", "dumphotspare", argc, 103 argv) == -1) { 104 mdb_warn("failed to walk hotsparepool"); 105 return (DCMD_ERR); 106 } 107 return (DCMD_OK); 108 } 109 110 process_hsp(addr); 111 112 return (DCMD_OK); 113 } 114