1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include "mdinclude.h" 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate typedef struct submirror_cb { 32*0Sstevel@tonic-gate minor_t un_self_id; 33*0Sstevel@tonic-gate int un_nsm; 34*0Sstevel@tonic-gate ushort_t mm_un_nsm; 35*0Sstevel@tonic-gate }submirror_cb_t; 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate void 38*0Sstevel@tonic-gate print_setname(int setno) 39*0Sstevel@tonic-gate { 40*0Sstevel@tonic-gate char setname[1024]; 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate if (setno != 0) { 43*0Sstevel@tonic-gate if (mdb_readstr(setname, 1024, 44*0Sstevel@tonic-gate (uintptr_t)set_dbs[setno].s_setname) == -1) { 45*0Sstevel@tonic-gate mdb_warn("failed to read setname at 0x%p\n", 46*0Sstevel@tonic-gate set_dbs[setno].s_setname); 47*0Sstevel@tonic-gate } 48*0Sstevel@tonic-gate mdb_printf("%s/", setname); 49*0Sstevel@tonic-gate } 50*0Sstevel@tonic-gate } 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate void 53*0Sstevel@tonic-gate print_stripe(void *un_addr, void *mdcptr, uint_t verbose) 54*0Sstevel@tonic-gate { 55*0Sstevel@tonic-gate ms_unit_t ms; 56*0Sstevel@tonic-gate int setno; 57*0Sstevel@tonic-gate minor_t un_self_id; 58*0Sstevel@tonic-gate md_parent_t un_parent; 59*0Sstevel@tonic-gate diskaddr_t un_total_blocks; 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate /* read in the device */ 62*0Sstevel@tonic-gate un_self_id = ((mdc_unit_t *)mdcptr)->un_self_id; 63*0Sstevel@tonic-gate un_parent = ((mdc_unit_t *)mdcptr)->un_parent; 64*0Sstevel@tonic-gate un_total_blocks = ((mdc_unit_t *)mdcptr)->un_total_blocks; 65*0Sstevel@tonic-gate if (mdb_vread(&ms, sizeof (ms_unit_t), 66*0Sstevel@tonic-gate (uintptr_t)un_addr) == -1) { 67*0Sstevel@tonic-gate mdb_warn("failed to read ms_unit_t at %p\n", un_addr); 68*0Sstevel@tonic-gate return; 69*0Sstevel@tonic-gate } 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate setno = MD_MIN2SET(un_self_id); 72*0Sstevel@tonic-gate print_setname(setno); 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate mdb_printf("d%u: ", MD_MIN2UNIT(un_self_id)); 75*0Sstevel@tonic-gate if (un_parent == ((unit_t)-1)) { 76*0Sstevel@tonic-gate mdb_printf("Concat/Stripe"); 77*0Sstevel@tonic-gate } else { 78*0Sstevel@tonic-gate mdb_printf("Subdevice of d%u", MD_MIN2UNIT(un_parent)); 79*0Sstevel@tonic-gate } 80*0Sstevel@tonic-gate if (verbose) { 81*0Sstevel@tonic-gate mdb_printf("\t< %p::print ms_unit_t >\n", un_addr); 82*0Sstevel@tonic-gate } else { 83*0Sstevel@tonic-gate mdb_printf("\t< %p>\n", un_addr); 84*0Sstevel@tonic-gate } 85*0Sstevel@tonic-gate mdb_inc_indent(2); 86*0Sstevel@tonic-gate mdb_printf("Size: %llu blocks\n", un_total_blocks); 87*0Sstevel@tonic-gate mdb_printf("Rows: %u\n", ms.un_nrows); 88*0Sstevel@tonic-gate mdb_dec_indent(2); 89*0Sstevel@tonic-gate } 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate /* ARGSUSED */ 92*0Sstevel@tonic-gate int 93*0Sstevel@tonic-gate print_submirror(uintptr_t addr, void *arg, submirror_cb_t *data) 94*0Sstevel@tonic-gate { 95*0Sstevel@tonic-gate uintptr_t un_addr; 96*0Sstevel@tonic-gate mdc_unit_t mdc_sm; 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate if (mdb_vread(&un_addr, sizeof (void *), addr) == -1) { 99*0Sstevel@tonic-gate mdb_warn("failed to read submirror at %p\n", addr); 100*0Sstevel@tonic-gate return (WALK_ERR); 101*0Sstevel@tonic-gate } 102*0Sstevel@tonic-gate if (un_addr != NULL) { 103*0Sstevel@tonic-gate if (mdb_vread(&mdc_sm, sizeof (mdc_unit_t), un_addr) == -1) { 104*0Sstevel@tonic-gate mdb_warn("failed to read mdc_unit_t at %p", un_addr); 105*0Sstevel@tonic-gate return (WALK_ERR); 106*0Sstevel@tonic-gate } 107*0Sstevel@tonic-gate if (mdc_sm.un_parent == data->un_self_id) { 108*0Sstevel@tonic-gate /* this is one of the sub mirrors */ 109*0Sstevel@tonic-gate mdb_printf("Submirror %u: d%u ", 110*0Sstevel@tonic-gate data->un_nsm, MD_MIN2UNIT(mdc_sm.un_self_id)); 111*0Sstevel@tonic-gate mdb_printf("Size: %llu\n", mdc_sm.un_total_blocks); 112*0Sstevel@tonic-gate data->un_nsm++; 113*0Sstevel@tonic-gate if (data->un_nsm == data->mm_un_nsm) 114*0Sstevel@tonic-gate return (WALK_DONE); 115*0Sstevel@tonic-gate } 116*0Sstevel@tonic-gate } 117*0Sstevel@tonic-gate return (WALK_NEXT); 118*0Sstevel@tonic-gate } 119*0Sstevel@tonic-gate 120*0Sstevel@tonic-gate void 121*0Sstevel@tonic-gate print_mirror(void *un_addr, void *mdcptr, uint_t verbose) 122*0Sstevel@tonic-gate { 123*0Sstevel@tonic-gate mm_unit_t mm; 124*0Sstevel@tonic-gate void **ptr; 125*0Sstevel@tonic-gate int setno = 0; 126*0Sstevel@tonic-gate minor_t un_self_id; 127*0Sstevel@tonic-gate diskaddr_t un_total_blocks; 128*0Sstevel@tonic-gate ushort_t mm_un_nsm; 129*0Sstevel@tonic-gate submirror_cb_t data; 130*0Sstevel@tonic-gate 131*0Sstevel@tonic-gate /* read in the device */ 132*0Sstevel@tonic-gate if (mdb_vread(&mm, sizeof (mm_unit_t), 133*0Sstevel@tonic-gate (uintptr_t)un_addr) == -1) { 134*0Sstevel@tonic-gate mdb_warn("failed to read mm_unit_t at %p\n", un_addr); 135*0Sstevel@tonic-gate return; 136*0Sstevel@tonic-gate } 137*0Sstevel@tonic-gate un_self_id = ((mdc_unit_t *)mdcptr)->un_self_id; 138*0Sstevel@tonic-gate un_total_blocks = ((mdc_unit_t *)mdcptr)->un_total_blocks; 139*0Sstevel@tonic-gate mm_un_nsm = mm.un_nsm; 140*0Sstevel@tonic-gate setno = MD_MIN2SET(un_self_id); 141*0Sstevel@tonic-gate print_setname(setno); 142*0Sstevel@tonic-gate 143*0Sstevel@tonic-gate mdb_printf("d%u: Mirror", MD_MIN2UNIT(un_self_id)); 144*0Sstevel@tonic-gate if (verbose) { 145*0Sstevel@tonic-gate mdb_printf("\t< %p::print mm_unit_t >\n", un_addr); 146*0Sstevel@tonic-gate } else { 147*0Sstevel@tonic-gate mdb_printf("\t< %p >\n", un_addr); 148*0Sstevel@tonic-gate } 149*0Sstevel@tonic-gate mdb_inc_indent(2); 150*0Sstevel@tonic-gate mdb_printf("Size: %llu blocks\n", un_total_blocks); 151*0Sstevel@tonic-gate /* 152*0Sstevel@tonic-gate * find the sub mirrors, search through each metadevice looking 153*0Sstevel@tonic-gate * at the un_parent. 154*0Sstevel@tonic-gate */ 155*0Sstevel@tonic-gate ptr = mdset[setno].s_un; 156*0Sstevel@tonic-gate 157*0Sstevel@tonic-gate data.un_self_id = un_self_id; 158*0Sstevel@tonic-gate data.un_nsm = 0; 159*0Sstevel@tonic-gate data.mm_un_nsm = mm_un_nsm; 160*0Sstevel@tonic-gate 161*0Sstevel@tonic-gate if (mdb_pwalk("md_units", (mdb_walk_cb_t)print_submirror, &data, 162*0Sstevel@tonic-gate (uintptr_t)ptr) == -1) { 163*0Sstevel@tonic-gate mdb_warn("unable to walk units\n"); 164*0Sstevel@tonic-gate return; 165*0Sstevel@tonic-gate } 166*0Sstevel@tonic-gate 167*0Sstevel@tonic-gate mdb_dec_indent(2); 168*0Sstevel@tonic-gate } 169*0Sstevel@tonic-gate 170*0Sstevel@tonic-gate void 171*0Sstevel@tonic-gate print_raid(void *un_addr, void *mdcptr, uint_t verbose) 172*0Sstevel@tonic-gate { 173*0Sstevel@tonic-gate mr_unit_t mr; 174*0Sstevel@tonic-gate minor_t un_self_id; 175*0Sstevel@tonic-gate diskaddr_t un_total_blocks; 176*0Sstevel@tonic-gate mdc_unit_t mdc_sc; 177*0Sstevel@tonic-gate void **ptr; 178*0Sstevel@tonic-gate void *addr; 179*0Sstevel@tonic-gate int setno = 0; 180*0Sstevel@tonic-gate int i; 181*0Sstevel@tonic-gate minor_t sc_un_self_id; 182*0Sstevel@tonic-gate md_parent_t sc_parent; 183*0Sstevel@tonic-gate diskaddr_t sc_total_blocks; 184*0Sstevel@tonic-gate 185*0Sstevel@tonic-gate /* read in the device */ 186*0Sstevel@tonic-gate if (mdb_vread(&mr, sizeof (mr_unit_t), (uintptr_t)un_addr) == -1) { 187*0Sstevel@tonic-gate mdb_warn("failed to read mr_unit_t at %p\n", un_addr); 188*0Sstevel@tonic-gate return; 189*0Sstevel@tonic-gate } 190*0Sstevel@tonic-gate un_self_id = ((mdc_unit_t *)mdcptr)->un_self_id; 191*0Sstevel@tonic-gate un_total_blocks = ((mdc_unit_t *)mdcptr)->un_total_blocks; 192*0Sstevel@tonic-gate setno = MD_MIN2SET(un_self_id); 193*0Sstevel@tonic-gate print_setname(setno); 194*0Sstevel@tonic-gate 195*0Sstevel@tonic-gate mdb_printf("d%u: Raid", MD_MIN2UNIT(un_self_id)); 196*0Sstevel@tonic-gate if (verbose) { 197*0Sstevel@tonic-gate mdb_printf("\t< %p ::print mr_unit_t>\n", un_addr); 198*0Sstevel@tonic-gate } else { 199*0Sstevel@tonic-gate mdb_printf("\t< %p >\n", un_addr); 200*0Sstevel@tonic-gate } 201*0Sstevel@tonic-gate mdb_inc_indent(2); 202*0Sstevel@tonic-gate mdb_printf("Size: %llu\n", un_total_blocks); 203*0Sstevel@tonic-gate 204*0Sstevel@tonic-gate /* 205*0Sstevel@tonic-gate * find the sub components if any, search through each metadevice 206*0Sstevel@tonic-gate * looking at the un_parent. 207*0Sstevel@tonic-gate */ 208*0Sstevel@tonic-gate ptr = mdset[setno].s_un; 209*0Sstevel@tonic-gate for (i = 0; i < md_nunits; i++, ptr++) { 210*0Sstevel@tonic-gate if (mdb_vread(&addr, sizeof (void *), (uintptr_t)ptr) == -1) { 211*0Sstevel@tonic-gate mdb_warn("failed to read addr at %p\n", ptr); 212*0Sstevel@tonic-gate continue; 213*0Sstevel@tonic-gate } 214*0Sstevel@tonic-gate if (addr != NULL) { 215*0Sstevel@tonic-gate if (mdb_vread(&mdc_sc, sizeof (mdc_unit_t), 216*0Sstevel@tonic-gate (uintptr_t)addr) == -1) { 217*0Sstevel@tonic-gate mdb_warn("failed to read mdc_unit_t at %p", 218*0Sstevel@tonic-gate un_addr); 219*0Sstevel@tonic-gate continue; 220*0Sstevel@tonic-gate } 221*0Sstevel@tonic-gate sc_parent = mdc_sc.un_parent; 222*0Sstevel@tonic-gate sc_un_self_id = mdc_sc.un_self_id; 223*0Sstevel@tonic-gate sc_total_blocks = mdc_sc.un_total_blocks; 224*0Sstevel@tonic-gate if (sc_parent == un_self_id) { 225*0Sstevel@tonic-gate /* this is one of the sub components */ 226*0Sstevel@tonic-gate mdb_printf("Subdevice %u ", 227*0Sstevel@tonic-gate MD_MIN2UNIT(sc_un_self_id)); 228*0Sstevel@tonic-gate mdb_printf("Size: %llu\n", sc_total_blocks); 229*0Sstevel@tonic-gate } 230*0Sstevel@tonic-gate } 231*0Sstevel@tonic-gate } 232*0Sstevel@tonic-gate mdb_dec_indent(2); 233*0Sstevel@tonic-gate } 234*0Sstevel@tonic-gate 235*0Sstevel@tonic-gate void 236*0Sstevel@tonic-gate print_sp(void *un_addr, void *mdcptr, uint_t verbose) 237*0Sstevel@tonic-gate { 238*0Sstevel@tonic-gate mp_unit_t mp; 239*0Sstevel@tonic-gate minor_t un_self_id; 240*0Sstevel@tonic-gate diskaddr_t un_total_blocks; 241*0Sstevel@tonic-gate int setno = 0; 242*0Sstevel@tonic-gate uintptr_t extaddr; 243*0Sstevel@tonic-gate int i; 244*0Sstevel@tonic-gate 245*0Sstevel@tonic-gate /* read in the device */ 246*0Sstevel@tonic-gate if (mdb_vread(&mp, sizeof (mp_unit_t), (uintptr_t)un_addr) == -1) { 247*0Sstevel@tonic-gate mdb_warn("failed to read mp_unit_t at %p\n", un_addr); 248*0Sstevel@tonic-gate return; 249*0Sstevel@tonic-gate } 250*0Sstevel@tonic-gate un_self_id = ((mdc_unit_t *)mdcptr)->un_self_id; 251*0Sstevel@tonic-gate un_total_blocks = ((mdc_unit_t *)mdcptr)->un_total_blocks; 252*0Sstevel@tonic-gate setno = MD_MIN2SET(un_self_id); 253*0Sstevel@tonic-gate print_setname(setno); 254*0Sstevel@tonic-gate 255*0Sstevel@tonic-gate mdb_printf("d%u: Soft Partition", MD_MIN2UNIT(un_self_id)); 256*0Sstevel@tonic-gate if (verbose) { 257*0Sstevel@tonic-gate mdb_printf("\t< %p ::print mp_unit_t >\n", un_addr); 258*0Sstevel@tonic-gate } else { 259*0Sstevel@tonic-gate mdb_printf("\t< %p >\n", un_addr); 260*0Sstevel@tonic-gate } 261*0Sstevel@tonic-gate mdb_inc_indent(2); 262*0Sstevel@tonic-gate mdb_printf("Size: %llu\n", un_total_blocks); 263*0Sstevel@tonic-gate mdb_inc_indent(2); 264*0Sstevel@tonic-gate mdb_printf("Extent\tStart Block\tBlock count\n"); 265*0Sstevel@tonic-gate extaddr = (uintptr_t)un_addr + sizeof (mp_unit_t) - sizeof (mp_ext_t); 266*0Sstevel@tonic-gate for (i = 0; i < mp.un_numexts; i++) { 267*0Sstevel@tonic-gate mp_ext_t mpext; 268*0Sstevel@tonic-gate 269*0Sstevel@tonic-gate if (mdb_vread(&mpext, sizeof (mp_ext_t), extaddr) == -1) { 270*0Sstevel@tonic-gate mdb_warn("failed to read mp_ext_t at %p\n", extaddr); 271*0Sstevel@tonic-gate return; 272*0Sstevel@tonic-gate } 273*0Sstevel@tonic-gate mdb_printf(" %d \t %llu\t %llu\n", 274*0Sstevel@tonic-gate i, mpext.un_poff, mpext.un_len); 275*0Sstevel@tonic-gate extaddr += sizeof (mp_ext_t); 276*0Sstevel@tonic-gate } 277*0Sstevel@tonic-gate mdb_dec_indent(2); 278*0Sstevel@tonic-gate mdb_dec_indent(2); 279*0Sstevel@tonic-gate 280*0Sstevel@tonic-gate } 281*0Sstevel@tonic-gate 282*0Sstevel@tonic-gate void 283*0Sstevel@tonic-gate print_trans(void *un_addr, void *mdcptr, uint_t verbose) 284*0Sstevel@tonic-gate { 285*0Sstevel@tonic-gate mt_unit_t mt; 286*0Sstevel@tonic-gate minor_t un_self_id; 287*0Sstevel@tonic-gate int setno = 0; 288*0Sstevel@tonic-gate 289*0Sstevel@tonic-gate /* read in the device */ 290*0Sstevel@tonic-gate if (mdb_vread(&mt, sizeof (mt_unit_t), (uintptr_t)un_addr) == -1) { 291*0Sstevel@tonic-gate mdb_warn("failed to read mt_unit_t at %p\n", un_addr); 292*0Sstevel@tonic-gate return; 293*0Sstevel@tonic-gate } 294*0Sstevel@tonic-gate un_self_id = ((mdc_unit32_od_t *)mdcptr)->un_self_id; 295*0Sstevel@tonic-gate setno = MD_MIN2SET(un_self_id); 296*0Sstevel@tonic-gate print_setname(setno); 297*0Sstevel@tonic-gate 298*0Sstevel@tonic-gate mdb_printf("d%u: Trans", MD_MIN2UNIT(un_self_id)); 299*0Sstevel@tonic-gate if (verbose) { 300*0Sstevel@tonic-gate mdb_printf("\t< %p ::print mt_unit_t>\n", un_addr); 301*0Sstevel@tonic-gate } else { 302*0Sstevel@tonic-gate mdb_printf("\t< %p >\n", un_addr); 303*0Sstevel@tonic-gate } 304*0Sstevel@tonic-gate 305*0Sstevel@tonic-gate } 306*0Sstevel@tonic-gate 307*0Sstevel@tonic-gate void 308*0Sstevel@tonic-gate print_device(void *un_addr, void *mdcptr, uint_t verbose) 309*0Sstevel@tonic-gate { 310*0Sstevel@tonic-gate u_longlong_t un_type; 311*0Sstevel@tonic-gate 312*0Sstevel@tonic-gate un_type = ((mdc_unit_t *)mdcptr)->un_type; 313*0Sstevel@tonic-gate 314*0Sstevel@tonic-gate switch (un_type) { 315*0Sstevel@tonic-gate case MD_DEVICE: /* stripe/concat */ 316*0Sstevel@tonic-gate print_stripe(un_addr, mdcptr, verbose); 317*0Sstevel@tonic-gate break; 318*0Sstevel@tonic-gate case MD_METAMIRROR: 319*0Sstevel@tonic-gate print_mirror(un_addr, mdcptr, verbose); 320*0Sstevel@tonic-gate break; 321*0Sstevel@tonic-gate case MD_METATRANS: 322*0Sstevel@tonic-gate print_trans(un_addr, mdcptr, verbose); 323*0Sstevel@tonic-gate break; 324*0Sstevel@tonic-gate case MD_METARAID: 325*0Sstevel@tonic-gate print_raid(un_addr, mdcptr, verbose); 326*0Sstevel@tonic-gate break; 327*0Sstevel@tonic-gate case MD_METASP: 328*0Sstevel@tonic-gate print_sp(un_addr, mdcptr, verbose); 329*0Sstevel@tonic-gate break; 330*0Sstevel@tonic-gate case MD_UNDEFINED: 331*0Sstevel@tonic-gate mdb_warn("undefined metadevice at %p\n", un_addr); 332*0Sstevel@tonic-gate break; 333*0Sstevel@tonic-gate default: 334*0Sstevel@tonic-gate mdb_warn("invalid metadevice at %p\n", un_addr); 335*0Sstevel@tonic-gate break; 336*0Sstevel@tonic-gate } 337*0Sstevel@tonic-gate } 338*0Sstevel@tonic-gate 339*0Sstevel@tonic-gate /* ARGSUSED */ 340*0Sstevel@tonic-gate /* 341*0Sstevel@tonic-gate * usage: ::metastat [-v] 342*0Sstevel@tonic-gate */ 343*0Sstevel@tonic-gate int 344*0Sstevel@tonic-gate metastat(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 345*0Sstevel@tonic-gate { 346*0Sstevel@tonic-gate mdc_unit_t mdc; 347*0Sstevel@tonic-gate uintptr_t un_addr; 348*0Sstevel@tonic-gate uint_t verbose = FALSE; 349*0Sstevel@tonic-gate 350*0Sstevel@tonic-gate snarf_sets(); 351*0Sstevel@tonic-gate 352*0Sstevel@tonic-gate if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &verbose, NULL) 353*0Sstevel@tonic-gate != argc) { 354*0Sstevel@tonic-gate return (DCMD_USAGE); 355*0Sstevel@tonic-gate } 356*0Sstevel@tonic-gate 357*0Sstevel@tonic-gate if (!(flags & DCMD_ADDRSPEC)) { 358*0Sstevel@tonic-gate if (mdb_walk_dcmd("md_units", "metastat", argc, 359*0Sstevel@tonic-gate argv) == -1) { 360*0Sstevel@tonic-gate mdb_warn("failed to walk units"); 361*0Sstevel@tonic-gate return (DCMD_ERR); 362*0Sstevel@tonic-gate } 363*0Sstevel@tonic-gate return (DCMD_OK); 364*0Sstevel@tonic-gate } 365*0Sstevel@tonic-gate if (!(flags & DCMD_LOOP)) { 366*0Sstevel@tonic-gate /* user passed set addr */ 367*0Sstevel@tonic-gate if (mdb_pwalk_dcmd("md_units", "metastat", argc, 368*0Sstevel@tonic-gate argv, addr) == -1) { 369*0Sstevel@tonic-gate mdb_warn("failed to walk units"); 370*0Sstevel@tonic-gate return (DCMD_ERR); 371*0Sstevel@tonic-gate } 372*0Sstevel@tonic-gate return (DCMD_OK); 373*0Sstevel@tonic-gate } 374*0Sstevel@tonic-gate 375*0Sstevel@tonic-gate if (mdb_vread(&un_addr, sizeof (void *), addr) == -1) { 376*0Sstevel@tonic-gate mdb_warn("failed to read un_addr at %p", addr); 377*0Sstevel@tonic-gate return (DCMD_ERR); 378*0Sstevel@tonic-gate } 379*0Sstevel@tonic-gate 380*0Sstevel@tonic-gate if (un_addr != NULL) { 381*0Sstevel@tonic-gate if (mdb_vread(&mdc, sizeof (mdc_unit_t), un_addr) == -1) { 382*0Sstevel@tonic-gate mdb_warn("failed to read mdc_unit_t at %p", un_addr); 383*0Sstevel@tonic-gate return (DCMD_ERR); 384*0Sstevel@tonic-gate } 385*0Sstevel@tonic-gate print_device((void *)un_addr, (void *)&mdc, verbose); 386*0Sstevel@tonic-gate mdb_dec_indent(2); 387*0Sstevel@tonic-gate } 388*0Sstevel@tonic-gate return (DCMD_OK); 389*0Sstevel@tonic-gate } 390