md_intel.c revision 229301
1219974Smav/*- 2219974Smav * Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org> 3219974Smav * All rights reserved. 4219974Smav * 5219974Smav * Redistribution and use in source and binary forms, with or without 6219974Smav * modification, are permitted provided that the following conditions 7219974Smav * are met: 8219974Smav * 1. Redistributions of source code must retain the above copyright 9219974Smav * notice, this list of conditions and the following disclaimer. 10219974Smav * 2. Redistributions in binary form must reproduce the above copyright 11219974Smav * notice, this list of conditions and the following disclaimer in the 12219974Smav * documentation and/or other materials provided with the distribution. 13219974Smav * 14219974Smav * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15219974Smav * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16219974Smav * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17219974Smav * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18219974Smav * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19219974Smav * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20219974Smav * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21219974Smav * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22219974Smav * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23219974Smav * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24219974Smav * SUCH DAMAGE. 25219974Smav */ 26219974Smav 27219974Smav#include <sys/cdefs.h> 28219974Smav__FBSDID("$FreeBSD: stable/9/sys/geom/raid/md_intel.c 229301 2012-01-02 17:56:45Z mav $"); 29219974Smav 30219974Smav#include <sys/param.h> 31219974Smav#include <sys/bio.h> 32219974Smav#include <sys/endian.h> 33219974Smav#include <sys/kernel.h> 34219974Smav#include <sys/kobj.h> 35219974Smav#include <sys/limits.h> 36219974Smav#include <sys/lock.h> 37219974Smav#include <sys/malloc.h> 38219974Smav#include <sys/mutex.h> 39219974Smav#include <sys/systm.h> 40219974Smav#include <sys/taskqueue.h> 41219974Smav#include <geom/geom.h> 42219974Smav#include "geom/raid/g_raid.h" 43219974Smav#include "g_raid_md_if.h" 44219974Smav 45219974Smavstatic MALLOC_DEFINE(M_MD_INTEL, "md_intel_data", "GEOM_RAID Intel metadata"); 46219974Smav 47219974Smavstruct intel_raid_map { 48219974Smav uint32_t offset; 49219974Smav uint32_t disk_sectors; 50219974Smav uint32_t stripe_count; 51219974Smav uint16_t strip_sectors; 52219974Smav uint8_t status; 53219974Smav#define INTEL_S_READY 0x00 54219974Smav#define INTEL_S_UNINITIALIZED 0x01 55219974Smav#define INTEL_S_DEGRADED 0x02 56219974Smav#define INTEL_S_FAILURE 0x03 57219974Smav 58219974Smav uint8_t type; 59219974Smav#define INTEL_T_RAID0 0x00 60219974Smav#define INTEL_T_RAID1 0x01 61219974Smav#define INTEL_T_RAID5 0x05 62219974Smav 63219974Smav uint8_t total_disks; 64219974Smav uint8_t total_domains; 65219974Smav uint8_t failed_disk_num; 66219974Smav uint8_t ddf; 67219974Smav uint32_t filler_2[7]; 68219974Smav uint32_t disk_idx[1]; /* total_disks entries. */ 69219974Smav#define INTEL_DI_IDX 0x00ffffff 70219974Smav#define INTEL_DI_RBLD 0x01000000 71219974Smav} __packed; 72219974Smav 73219974Smavstruct intel_raid_vol { 74219974Smav uint8_t name[16]; 75219974Smav u_int64_t total_sectors __packed; 76219974Smav uint32_t state; 77219974Smav#define INTEL_ST_BOOTABLE 0x00000001 78219974Smav#define INTEL_ST_BOOT_DEVICE 0x00000002 79219974Smav#define INTEL_ST_READ_COALESCING 0x00000004 80219974Smav#define INTEL_ST_WRITE_COALESCING 0x00000008 81219974Smav#define INTEL_ST_LAST_SHUTDOWN_DIRTY 0x00000010 82219974Smav#define INTEL_ST_HIDDEN_AT_BOOT 0x00000020 83219974Smav#define INTEL_ST_CURRENTLY_HIDDEN 0x00000040 84219974Smav#define INTEL_ST_VERIFY_AND_FIX 0x00000080 85219974Smav#define INTEL_ST_MAP_STATE_UNINIT 0x00000100 86219974Smav#define INTEL_ST_NO_AUTO_RECOVERY 0x00000200 87219974Smav#define INTEL_ST_CLONE_N_GO 0x00000400 88219974Smav#define INTEL_ST_CLONE_MAN_SYNC 0x00000800 89219974Smav#define INTEL_ST_CNG_MASTER_DISK_NUM 0x00001000 90219974Smav uint32_t reserved; 91219974Smav uint8_t migr_priority; 92219974Smav uint8_t num_sub_vols; 93219974Smav uint8_t tid; 94219974Smav uint8_t cng_master_disk; 95219974Smav uint16_t cache_policy; 96219974Smav uint8_t cng_state; 97219974Smav uint8_t cng_sub_state; 98219974Smav uint32_t filler_0[10]; 99219974Smav 100219974Smav uint32_t curr_migr_unit; 101219974Smav uint32_t checkpoint_id; 102219974Smav uint8_t migr_state; 103219974Smav uint8_t migr_type; 104219974Smav#define INTEL_MT_INIT 0 105219974Smav#define INTEL_MT_REBUILD 1 106219974Smav#define INTEL_MT_VERIFY 2 107219974Smav#define INTEL_MT_GEN_MIGR 3 108219974Smav#define INTEL_MT_STATE_CHANGE 4 109219974Smav#define INTEL_MT_REPAIR 5 110219974Smav uint8_t dirty; 111219974Smav uint8_t fs_state; 112219974Smav uint16_t verify_errors; 113219974Smav uint16_t bad_blocks; 114219974Smav uint32_t filler_1[4]; 115219974Smav struct intel_raid_map map[1]; /* 2 entries if migr_state != 0. */ 116219974Smav} __packed; 117219974Smav 118219974Smavstruct intel_raid_disk { 119219974Smav#define INTEL_SERIAL_LEN 16 120219974Smav uint8_t serial[INTEL_SERIAL_LEN]; 121219974Smav uint32_t sectors; 122219974Smav uint32_t id; 123219974Smav uint32_t flags; 124219974Smav#define INTEL_F_SPARE 0x01 125219974Smav#define INTEL_F_ASSIGNED 0x02 126219974Smav#define INTEL_F_FAILED 0x04 127219974Smav#define INTEL_F_ONLINE 0x08 128219974Smav 129219974Smav uint32_t filler[5]; 130219974Smav} __packed; 131219974Smav 132219974Smavstruct intel_raid_conf { 133219974Smav uint8_t intel_id[24]; 134219974Smav#define INTEL_MAGIC "Intel Raid ISM Cfg Sig. " 135219974Smav 136219974Smav uint8_t version[6]; 137219974Smav#define INTEL_VERSION_1000 "1.0.00" /* RAID0 */ 138219974Smav#define INTEL_VERSION_1100 "1.1.00" /* RAID1 */ 139219974Smav#define INTEL_VERSION_1200 "1.2.00" /* Many volumes */ 140219974Smav#define INTEL_VERSION_1201 "1.2.01" /* 3 or 4 disks */ 141219974Smav#define INTEL_VERSION_1202 "1.2.02" /* RAID5 */ 142219974Smav#define INTEL_VERSION_1204 "1.2.04" /* 5 or 6 disks */ 143219974Smav#define INTEL_VERSION_1206 "1.2.06" /* CNG */ 144219974Smav#define INTEL_VERSION_1300 "1.3.00" /* Attributes */ 145219974Smav 146219974Smav uint8_t dummy_0[2]; 147219974Smav uint32_t checksum; 148219974Smav uint32_t config_size; 149219974Smav uint32_t config_id; 150219974Smav uint32_t generation; 151219974Smav uint32_t error_log_size; 152219974Smav uint32_t attributes; 153219974Smav#define INTEL_ATTR_RAID0 0x00000001 154219974Smav#define INTEL_ATTR_RAID1 0x00000002 155219974Smav#define INTEL_ATTR_RAID10 0x00000004 156219974Smav#define INTEL_ATTR_RAID1E 0x00000008 157219974Smav#define INTEL_ATTR_RAID5 0x00000010 158219974Smav#define INTEL_ATTR_RAIDCNG 0x00000020 159219974Smav#define INTEL_ATTR_2TB 0x20000000 160219974Smav#define INTEL_ATTR_PM 0x40000000 161219974Smav#define INTEL_ATTR_CHECKSUM 0x80000000 162219974Smav 163219974Smav uint8_t total_disks; 164219974Smav uint8_t total_volumes; 165219974Smav uint8_t dummy_2[2]; 166219974Smav uint32_t filler_0[39]; 167219974Smav struct intel_raid_disk disk[1]; /* total_disks entries. */ 168219974Smav /* Here goes total_volumes of struct intel_raid_vol. */ 169219974Smav} __packed; 170219974Smav 171219974Smav#define INTEL_MAX_MD_SIZE(ndisks) \ 172219974Smav (sizeof(struct intel_raid_conf) + \ 173219974Smav sizeof(struct intel_raid_disk) * (ndisks - 1) + \ 174219974Smav sizeof(struct intel_raid_vol) * 2 + \ 175219974Smav sizeof(struct intel_raid_map) * 2 + \ 176219974Smav sizeof(uint32_t) * (ndisks - 1) * 4) 177219974Smav 178219974Smavstruct g_raid_md_intel_perdisk { 179219974Smav struct intel_raid_conf *pd_meta; 180219974Smav int pd_disk_pos; 181219974Smav struct intel_raid_disk pd_disk_meta; 182219974Smav}; 183219974Smav 184219974Smavstruct g_raid_md_intel_object { 185219974Smav struct g_raid_md_object mdio_base; 186219974Smav uint32_t mdio_config_id; 187219974Smav uint32_t mdio_generation; 188219974Smav struct intel_raid_conf *mdio_meta; 189219974Smav struct callout mdio_start_co; /* STARTING state timer. */ 190219974Smav int mdio_disks_present; 191219974Smav int mdio_started; 192219974Smav int mdio_incomplete; 193219974Smav struct root_hold_token *mdio_rootmount; /* Root mount delay token. */ 194219974Smav}; 195219974Smav 196219974Smavstatic g_raid_md_create_t g_raid_md_create_intel; 197219974Smavstatic g_raid_md_taste_t g_raid_md_taste_intel; 198219974Smavstatic g_raid_md_event_t g_raid_md_event_intel; 199219974Smavstatic g_raid_md_ctl_t g_raid_md_ctl_intel; 200219974Smavstatic g_raid_md_write_t g_raid_md_write_intel; 201219974Smavstatic g_raid_md_fail_disk_t g_raid_md_fail_disk_intel; 202219974Smavstatic g_raid_md_free_disk_t g_raid_md_free_disk_intel; 203219974Smavstatic g_raid_md_free_t g_raid_md_free_intel; 204219974Smav 205219974Smavstatic kobj_method_t g_raid_md_intel_methods[] = { 206219974Smav KOBJMETHOD(g_raid_md_create, g_raid_md_create_intel), 207219974Smav KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_intel), 208219974Smav KOBJMETHOD(g_raid_md_event, g_raid_md_event_intel), 209219974Smav KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_intel), 210219974Smav KOBJMETHOD(g_raid_md_write, g_raid_md_write_intel), 211219974Smav KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_intel), 212219974Smav KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_intel), 213219974Smav KOBJMETHOD(g_raid_md_free, g_raid_md_free_intel), 214219974Smav { 0, 0 } 215219974Smav}; 216219974Smav 217219974Smavstatic struct g_raid_md_class g_raid_md_intel_class = { 218219974Smav "Intel", 219219974Smav g_raid_md_intel_methods, 220219974Smav sizeof(struct g_raid_md_intel_object), 221219974Smav .mdc_priority = 100 222219974Smav}; 223219974Smav 224219974Smav 225219974Smavstatic struct intel_raid_map * 226219974Smavintel_get_map(struct intel_raid_vol *mvol, int i) 227219974Smav{ 228219974Smav struct intel_raid_map *mmap; 229219974Smav 230219974Smav if (i > (mvol->migr_state ? 1 : 0)) 231219974Smav return (NULL); 232219974Smav mmap = &mvol->map[0]; 233219974Smav for (; i > 0; i--) { 234219974Smav mmap = (struct intel_raid_map *) 235219974Smav &mmap->disk_idx[mmap->total_disks]; 236219974Smav } 237219974Smav return ((struct intel_raid_map *)mmap); 238219974Smav} 239219974Smav 240219974Smavstatic struct intel_raid_vol * 241219974Smavintel_get_volume(struct intel_raid_conf *meta, int i) 242219974Smav{ 243219974Smav struct intel_raid_vol *mvol; 244219974Smav struct intel_raid_map *mmap; 245219974Smav 246219974Smav if (i > 1) 247219974Smav return (NULL); 248219974Smav mvol = (struct intel_raid_vol *)&meta->disk[meta->total_disks]; 249219974Smav for (; i > 0; i--) { 250219974Smav mmap = intel_get_map(mvol, mvol->migr_state ? 1 : 0); 251219974Smav mvol = (struct intel_raid_vol *) 252219974Smav &mmap->disk_idx[mmap->total_disks]; 253219974Smav } 254219974Smav return (mvol); 255219974Smav} 256219974Smav 257219974Smavstatic void 258219974Smavg_raid_md_intel_print(struct intel_raid_conf *meta) 259219974Smav{ 260219974Smav struct intel_raid_vol *mvol; 261219974Smav struct intel_raid_map *mmap; 262219974Smav int i, j, k; 263219974Smav 264219974Smav if (g_raid_debug < 1) 265219974Smav return; 266219974Smav 267219974Smav printf("********* ATA Intel MatrixRAID Metadata *********\n"); 268219974Smav printf("intel_id <%.24s>\n", meta->intel_id); 269219974Smav printf("version <%.6s>\n", meta->version); 270219974Smav printf("checksum 0x%08x\n", meta->checksum); 271219974Smav printf("config_size 0x%08x\n", meta->config_size); 272219974Smav printf("config_id 0x%08x\n", meta->config_id); 273219974Smav printf("generation 0x%08x\n", meta->generation); 274219974Smav printf("attributes 0x%08x\n", meta->attributes); 275219974Smav printf("total_disks %u\n", meta->total_disks); 276219974Smav printf("total_volumes %u\n", meta->total_volumes); 277219974Smav printf("DISK# serial disk_sectors disk_id flags\n"); 278219974Smav for (i = 0; i < meta->total_disks; i++ ) { 279219974Smav printf(" %d <%.16s> %u 0x%08x 0x%08x\n", i, 280219974Smav meta->disk[i].serial, meta->disk[i].sectors, 281219974Smav meta->disk[i].id, meta->disk[i].flags); 282219974Smav } 283219974Smav for (i = 0; i < meta->total_volumes; i++) { 284219974Smav mvol = intel_get_volume(meta, i); 285219974Smav printf(" ****** Volume %d ******\n", i); 286219974Smav printf(" name %.16s\n", mvol->name); 287219974Smav printf(" total_sectors %ju\n", mvol->total_sectors); 288219974Smav printf(" state %u\n", mvol->state); 289219974Smav printf(" reserved %u\n", mvol->reserved); 290219974Smav printf(" curr_migr_unit %u\n", mvol->curr_migr_unit); 291219974Smav printf(" checkpoint_id %u\n", mvol->checkpoint_id); 292219974Smav printf(" migr_state %u\n", mvol->migr_state); 293219974Smav printf(" migr_type %u\n", mvol->migr_type); 294219974Smav printf(" dirty %u\n", mvol->dirty); 295219974Smav 296219974Smav for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) { 297219974Smav printf(" *** Map %d ***\n", j); 298219974Smav mmap = intel_get_map(mvol, j); 299219974Smav printf(" offset %u\n", mmap->offset); 300219974Smav printf(" disk_sectors %u\n", mmap->disk_sectors); 301219974Smav printf(" stripe_count %u\n", mmap->stripe_count); 302219974Smav printf(" strip_sectors %u\n", mmap->strip_sectors); 303219974Smav printf(" status %u\n", mmap->status); 304219974Smav printf(" type %u\n", mmap->type); 305219974Smav printf(" total_disks %u\n", mmap->total_disks); 306219974Smav printf(" total_domains %u\n", mmap->total_domains); 307219974Smav printf(" failed_disk_num %u\n", mmap->failed_disk_num); 308219974Smav printf(" ddf %u\n", mmap->ddf); 309219974Smav printf(" disk_idx "); 310219974Smav for (k = 0; k < mmap->total_disks; k++) 311219974Smav printf(" 0x%08x", mmap->disk_idx[k]); 312219974Smav printf("\n"); 313219974Smav } 314219974Smav } 315219974Smav printf("=================================================\n"); 316219974Smav} 317219974Smav 318219974Smavstatic struct intel_raid_conf * 319219974Smavintel_meta_copy(struct intel_raid_conf *meta) 320219974Smav{ 321219974Smav struct intel_raid_conf *nmeta; 322219974Smav 323219974Smav nmeta = malloc(meta->config_size, M_MD_INTEL, M_WAITOK); 324219974Smav memcpy(nmeta, meta, meta->config_size); 325219974Smav return (nmeta); 326219974Smav} 327219974Smav 328219974Smavstatic int 329219974Smavintel_meta_find_disk(struct intel_raid_conf *meta, char *serial) 330219974Smav{ 331219974Smav int pos; 332219974Smav 333219974Smav for (pos = 0; pos < meta->total_disks; pos++) { 334219974Smav if (strncmp(meta->disk[pos].serial, 335219974Smav serial, INTEL_SERIAL_LEN) == 0) 336219974Smav return (pos); 337219974Smav } 338219974Smav return (-1); 339219974Smav} 340219974Smav 341219974Smavstatic struct intel_raid_conf * 342219974Smavintel_meta_read(struct g_consumer *cp) 343219974Smav{ 344219974Smav struct g_provider *pp; 345219974Smav struct intel_raid_conf *meta; 346219974Smav struct intel_raid_vol *mvol; 347219974Smav struct intel_raid_map *mmap; 348219974Smav char *buf; 349219974Smav int error, i, j, k, left, size; 350219974Smav uint32_t checksum, *ptr; 351219974Smav 352219974Smav pp = cp->provider; 353219974Smav 354219974Smav /* Read the anchor sector. */ 355219974Smav buf = g_read_data(cp, 356219974Smav pp->mediasize - pp->sectorsize * 2, pp->sectorsize, &error); 357219974Smav if (buf == NULL) { 358219974Smav G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).", 359219974Smav pp->name, error); 360219974Smav return (NULL); 361219974Smav } 362219974Smav meta = (struct intel_raid_conf *)buf; 363219974Smav 364219974Smav /* Check if this is an Intel RAID struct */ 365219974Smav if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) { 366219974Smav G_RAID_DEBUG(1, "Intel signature check failed on %s", pp->name); 367219974Smav g_free(buf); 368219974Smav return (NULL); 369219974Smav } 370219974Smav if (meta->config_size > 65536 || 371219974Smav meta->config_size < sizeof(struct intel_raid_conf)) { 372219974Smav G_RAID_DEBUG(1, "Intel metadata size looks wrong: %d", 373219974Smav meta->config_size); 374219974Smav g_free(buf); 375219974Smav return (NULL); 376219974Smav } 377219974Smav size = meta->config_size; 378219974Smav meta = malloc(size, M_MD_INTEL, M_WAITOK); 379219974Smav memcpy(meta, buf, min(size, pp->sectorsize)); 380219974Smav g_free(buf); 381219974Smav 382219974Smav /* Read all the rest, if needed. */ 383219974Smav if (meta->config_size > pp->sectorsize) { 384219974Smav left = (meta->config_size - 1) / pp->sectorsize; 385219974Smav buf = g_read_data(cp, 386219974Smav pp->mediasize - pp->sectorsize * (2 + left), 387219974Smav pp->sectorsize * left, &error); 388219974Smav if (buf == NULL) { 389219974Smav G_RAID_DEBUG(1, "Cannot read remaining metadata" 390219974Smav " part from %s (error=%d).", 391219974Smav pp->name, error); 392219974Smav free(meta, M_MD_INTEL); 393219974Smav return (NULL); 394219974Smav } 395219974Smav memcpy(((char *)meta) + pp->sectorsize, buf, 396219974Smav pp->sectorsize * left); 397219974Smav g_free(buf); 398219974Smav } 399219974Smav 400219974Smav /* Check metadata checksum. */ 401219974Smav for (checksum = 0, ptr = (uint32_t *)meta, i = 0; 402219974Smav i < (meta->config_size / sizeof(uint32_t)); i++) { 403219974Smav checksum += *ptr++; 404219974Smav } 405219974Smav checksum -= meta->checksum; 406219974Smav if (checksum != meta->checksum) { 407219974Smav G_RAID_DEBUG(1, "Intel checksum check failed on %s", pp->name); 408219974Smav free(meta, M_MD_INTEL); 409219974Smav return (NULL); 410219974Smav } 411219974Smav 412219974Smav /* Validate metadata size. */ 413219974Smav size = sizeof(struct intel_raid_conf) + 414219974Smav sizeof(struct intel_raid_disk) * (meta->total_disks - 1) + 415219974Smav sizeof(struct intel_raid_vol) * meta->total_volumes; 416219974Smav if (size > meta->config_size) { 417219974Smavbadsize: 418219974Smav G_RAID_DEBUG(1, "Intel metadata size incorrect %d < %d", 419219974Smav meta->config_size, size); 420219974Smav free(meta, M_MD_INTEL); 421219974Smav return (NULL); 422219974Smav } 423219974Smav for (i = 0; i < meta->total_volumes; i++) { 424219974Smav mvol = intel_get_volume(meta, i); 425219974Smav mmap = intel_get_map(mvol, 0); 426219974Smav size += 4 * (mmap->total_disks - 1); 427219974Smav if (size > meta->config_size) 428219974Smav goto badsize; 429219974Smav if (mvol->migr_state) { 430219974Smav size += sizeof(struct intel_raid_map); 431219974Smav if (size > meta->config_size) 432219974Smav goto badsize; 433219974Smav mmap = intel_get_map(mvol, 1); 434219974Smav size += 4 * (mmap->total_disks - 1); 435219974Smav if (size > meta->config_size) 436219974Smav goto badsize; 437219974Smav } 438219974Smav } 439219974Smav 440219974Smav /* Validate disk indexes. */ 441219974Smav for (i = 0; i < meta->total_volumes; i++) { 442219974Smav mvol = intel_get_volume(meta, i); 443219974Smav for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) { 444219974Smav mmap = intel_get_map(mvol, j); 445219974Smav for (k = 0; k < mmap->total_disks; k++) { 446219974Smav if ((mmap->disk_idx[k] & INTEL_DI_IDX) > 447219974Smav meta->total_disks) { 448219974Smav G_RAID_DEBUG(1, "Intel metadata disk" 449219974Smav " index %d too big (>%d)", 450219974Smav mmap->disk_idx[k] & INTEL_DI_IDX, 451219974Smav meta->total_disks); 452219974Smav free(meta, M_MD_INTEL); 453219974Smav return (NULL); 454219974Smav } 455219974Smav } 456219974Smav } 457219974Smav } 458219974Smav 459219974Smav /* Validate migration types. */ 460219974Smav for (i = 0; i < meta->total_volumes; i++) { 461219974Smav mvol = intel_get_volume(meta, i); 462219974Smav if (mvol->migr_state && 463219974Smav mvol->migr_type != INTEL_MT_INIT && 464219974Smav mvol->migr_type != INTEL_MT_REBUILD && 465219974Smav mvol->migr_type != INTEL_MT_VERIFY && 466219974Smav mvol->migr_type != INTEL_MT_REPAIR) { 467219974Smav G_RAID_DEBUG(1, "Intel metadata has unsupported" 468219974Smav " migration type %d", mvol->migr_type); 469219974Smav free(meta, M_MD_INTEL); 470219974Smav return (NULL); 471219974Smav } 472219974Smav } 473219974Smav 474219974Smav return (meta); 475219974Smav} 476219974Smav 477219974Smavstatic int 478219974Smavintel_meta_write(struct g_consumer *cp, struct intel_raid_conf *meta) 479219974Smav{ 480219974Smav struct g_provider *pp; 481219974Smav char *buf; 482219974Smav int error, i, sectors; 483219974Smav uint32_t checksum, *ptr; 484219974Smav 485219974Smav pp = cp->provider; 486219974Smav 487219974Smav /* Recalculate checksum for case if metadata were changed. */ 488219974Smav meta->checksum = 0; 489219974Smav for (checksum = 0, ptr = (uint32_t *)meta, i = 0; 490219974Smav i < (meta->config_size / sizeof(uint32_t)); i++) { 491219974Smav checksum += *ptr++; 492219974Smav } 493219974Smav meta->checksum = checksum; 494219974Smav 495219974Smav /* Create and fill buffer. */ 496219974Smav sectors = (meta->config_size + pp->sectorsize - 1) / pp->sectorsize; 497219974Smav buf = malloc(sectors * pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO); 498219974Smav if (sectors > 1) { 499219974Smav memcpy(buf, ((char *)meta) + pp->sectorsize, 500219974Smav (sectors - 1) * pp->sectorsize); 501219974Smav } 502219974Smav memcpy(buf + (sectors - 1) * pp->sectorsize, meta, pp->sectorsize); 503219974Smav 504219974Smav error = g_write_data(cp, 505219974Smav pp->mediasize - pp->sectorsize * (1 + sectors), 506219974Smav buf, pp->sectorsize * sectors); 507219974Smav if (error != 0) { 508219974Smav G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).", 509219974Smav pp->name, error); 510219974Smav } 511219974Smav 512219974Smav free(buf, M_MD_INTEL); 513219974Smav return (error); 514219974Smav} 515219974Smav 516219974Smavstatic int 517219974Smavintel_meta_erase(struct g_consumer *cp) 518219974Smav{ 519219974Smav struct g_provider *pp; 520219974Smav char *buf; 521219974Smav int error; 522219974Smav 523219974Smav pp = cp->provider; 524219974Smav buf = malloc(pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO); 525219974Smav error = g_write_data(cp, 526219974Smav pp->mediasize - 2 * pp->sectorsize, 527219974Smav buf, pp->sectorsize); 528219974Smav if (error != 0) { 529219974Smav G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).", 530219974Smav pp->name, error); 531219974Smav } 532219974Smav free(buf, M_MD_INTEL); 533219974Smav return (error); 534219974Smav} 535219974Smav 536219974Smavstatic int 537219974Smavintel_meta_write_spare(struct g_consumer *cp, struct intel_raid_disk *d) 538219974Smav{ 539219974Smav struct intel_raid_conf *meta; 540219974Smav int error; 541219974Smav 542219974Smav /* Fill anchor and single disk. */ 543219974Smav meta = malloc(INTEL_MAX_MD_SIZE(1), M_MD_INTEL, M_WAITOK | M_ZERO); 544220209Smav memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1); 545219974Smav memcpy(&meta->version[0], INTEL_VERSION_1000, 546220209Smav sizeof(INTEL_VERSION_1000) - 1); 547219974Smav meta->config_size = INTEL_MAX_MD_SIZE(1); 548219974Smav meta->config_id = arc4random(); 549219974Smav meta->generation = 1; 550219974Smav meta->total_disks = 1; 551219974Smav meta->disk[0] = *d; 552219974Smav error = intel_meta_write(cp, meta); 553219974Smav free(meta, M_MD_INTEL); 554219974Smav return (error); 555219974Smav} 556219974Smav 557219974Smavstatic struct g_raid_disk * 558219974Smavg_raid_md_intel_get_disk(struct g_raid_softc *sc, int id) 559219974Smav{ 560219974Smav struct g_raid_disk *disk; 561219974Smav struct g_raid_md_intel_perdisk *pd; 562219974Smav 563219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 564219974Smav pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 565219974Smav if (pd->pd_disk_pos == id) 566219974Smav break; 567219974Smav } 568219974Smav return (disk); 569219974Smav} 570219974Smav 571219974Smavstatic int 572219974Smavg_raid_md_intel_supported(int level, int qual, int disks, int force) 573219974Smav{ 574219974Smav 575219974Smav switch (level) { 576219974Smav case G_RAID_VOLUME_RL_RAID0: 577219974Smav if (disks < 1) 578219974Smav return (0); 579219974Smav if (!force && (disks < 2 || disks > 6)) 580219974Smav return (0); 581219974Smav break; 582219974Smav case G_RAID_VOLUME_RL_RAID1: 583219974Smav if (disks < 1) 584219974Smav return (0); 585219974Smav if (!force && (disks != 2)) 586219974Smav return (0); 587219974Smav break; 588219974Smav case G_RAID_VOLUME_RL_RAID1E: 589219974Smav if (disks < 2) 590219974Smav return (0); 591219974Smav if (!force && (disks != 4)) 592219974Smav return (0); 593219974Smav break; 594219974Smav case G_RAID_VOLUME_RL_RAID5: 595219974Smav if (disks < 3) 596219974Smav return (0); 597219974Smav if (!force && disks > 6) 598219974Smav return (0); 599219974Smav break; 600219974Smav default: 601219974Smav return (0); 602219974Smav } 603219974Smav if (qual != G_RAID_VOLUME_RLQ_NONE) 604219974Smav return (0); 605219974Smav return (1); 606219974Smav} 607219974Smav 608219974Smavstatic struct g_raid_volume * 609219974Smavg_raid_md_intel_get_volume(struct g_raid_softc *sc, int id) 610219974Smav{ 611219974Smav struct g_raid_volume *mvol; 612219974Smav 613219974Smav TAILQ_FOREACH(mvol, &sc->sc_volumes, v_next) { 614219974Smav if ((intptr_t)(mvol->v_md_data) == id) 615219974Smav break; 616219974Smav } 617219974Smav return (mvol); 618219974Smav} 619219974Smav 620219974Smavstatic int 621219974Smavg_raid_md_intel_start_disk(struct g_raid_disk *disk) 622219974Smav{ 623219974Smav struct g_raid_softc *sc; 624219974Smav struct g_raid_subdisk *sd, *tmpsd; 625219974Smav struct g_raid_disk *olddisk, *tmpdisk; 626219974Smav struct g_raid_md_object *md; 627219974Smav struct g_raid_md_intel_object *mdi; 628219974Smav struct g_raid_md_intel_perdisk *pd, *oldpd; 629219974Smav struct intel_raid_conf *meta; 630219974Smav struct intel_raid_vol *mvol; 631219974Smav struct intel_raid_map *mmap0, *mmap1; 632219974Smav int disk_pos, resurrection = 0; 633219974Smav 634219974Smav sc = disk->d_softc; 635219974Smav md = sc->sc_md; 636219974Smav mdi = (struct g_raid_md_intel_object *)md; 637219974Smav meta = mdi->mdio_meta; 638219974Smav pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 639219974Smav olddisk = NULL; 640219974Smav 641219974Smav /* Find disk position in metadata by it's serial. */ 642219974Smav disk_pos = intel_meta_find_disk(meta, pd->pd_disk_meta.serial); 643219974Smav if (disk_pos < 0) { 644219974Smav G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk"); 645219974Smav /* Failed stale disk is useless for us. */ 646219974Smav if (pd->pd_disk_meta.flags & INTEL_F_FAILED) { 647219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE_FAILED); 648219974Smav return (0); 649219974Smav } 650219974Smav /* If we are in the start process, that's all for now. */ 651219974Smav if (!mdi->mdio_started) 652219974Smav goto nofit; 653219974Smav /* 654219974Smav * If we have already started - try to get use of the disk. 655219974Smav * Try to replace OFFLINE disks first, then FAILED. 656219974Smav */ 657219974Smav TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) { 658219974Smav if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE && 659219974Smav tmpdisk->d_state != G_RAID_DISK_S_FAILED) 660219974Smav continue; 661219974Smav /* Make sure this disk is big enough. */ 662219974Smav TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) { 663219974Smav if (sd->sd_offset + sd->sd_size + 4096 > 664219974Smav (off_t)pd->pd_disk_meta.sectors * 512) { 665219974Smav G_RAID_DEBUG1(1, sc, 666219974Smav "Disk too small (%llu < %llu)", 667219974Smav ((unsigned long long) 668219974Smav pd->pd_disk_meta.sectors) * 512, 669219974Smav (unsigned long long) 670219974Smav sd->sd_offset + sd->sd_size + 4096); 671219974Smav break; 672219974Smav } 673219974Smav } 674219974Smav if (sd != NULL) 675219974Smav continue; 676219974Smav if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) { 677219974Smav olddisk = tmpdisk; 678219974Smav break; 679219974Smav } else if (olddisk == NULL) 680219974Smav olddisk = tmpdisk; 681219974Smav } 682219974Smav if (olddisk == NULL) { 683219974Smavnofit: 684219974Smav if (pd->pd_disk_meta.flags & INTEL_F_SPARE) { 685219974Smav g_raid_change_disk_state(disk, 686219974Smav G_RAID_DISK_S_SPARE); 687219974Smav return (1); 688219974Smav } else { 689219974Smav g_raid_change_disk_state(disk, 690219974Smav G_RAID_DISK_S_STALE); 691219974Smav return (0); 692219974Smav } 693219974Smav } 694219974Smav oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data; 695219974Smav disk_pos = oldpd->pd_disk_pos; 696219974Smav resurrection = 1; 697219974Smav } 698219974Smav 699219974Smav if (olddisk == NULL) { 700219974Smav /* Find placeholder by position. */ 701219974Smav olddisk = g_raid_md_intel_get_disk(sc, disk_pos); 702219974Smav if (olddisk == NULL) 703219974Smav panic("No disk at position %d!", disk_pos); 704219974Smav if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) { 705219974Smav G_RAID_DEBUG1(1, sc, "More then one disk for pos %d", 706219974Smav disk_pos); 707219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE); 708219974Smav return (0); 709219974Smav } 710219974Smav oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data; 711219974Smav } 712219974Smav 713219974Smav /* Replace failed disk or placeholder with new disk. */ 714219974Smav TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) { 715219974Smav TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next); 716219974Smav TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 717219974Smav sd->sd_disk = disk; 718219974Smav } 719219974Smav oldpd->pd_disk_pos = -2; 720219974Smav pd->pd_disk_pos = disk_pos; 721219974Smav 722219974Smav /* If it was placeholder -- destroy it. */ 723219974Smav if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) { 724219974Smav g_raid_destroy_disk(olddisk); 725219974Smav } else { 726219974Smav /* Otherwise, make it STALE_FAILED. */ 727219974Smav g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED); 728219974Smav /* Update global metadata just in case. */ 729219974Smav memcpy(&meta->disk[disk_pos], &pd->pd_disk_meta, 730219974Smav sizeof(struct intel_raid_disk)); 731219974Smav } 732219974Smav 733219974Smav /* Welcome the new disk. */ 734219974Smav if (resurrection) 735219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE); 736219974Smav else if (meta->disk[disk_pos].flags & INTEL_F_FAILED) 737219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED); 738219974Smav else if (meta->disk[disk_pos].flags & INTEL_F_SPARE) 739219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE); 740219974Smav else 741219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE); 742219974Smav TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 743219974Smav mvol = intel_get_volume(meta, 744219974Smav (uintptr_t)(sd->sd_volume->v_md_data)); 745219974Smav mmap0 = intel_get_map(mvol, 0); 746219974Smav if (mvol->migr_state) 747219974Smav mmap1 = intel_get_map(mvol, 1); 748219974Smav else 749219974Smav mmap1 = mmap0; 750219974Smav 751219974Smav if (resurrection) { 752219974Smav /* Stale disk, almost same as new. */ 753219974Smav g_raid_change_subdisk_state(sd, 754219974Smav G_RAID_SUBDISK_S_NEW); 755219974Smav } else if (meta->disk[disk_pos].flags & INTEL_F_FAILED) { 756219974Smav /* Failed disk, almost useless. */ 757219974Smav g_raid_change_subdisk_state(sd, 758219974Smav G_RAID_SUBDISK_S_FAILED); 759219974Smav } else if (mvol->migr_state == 0) { 760219974Smav if (mmap0->status == INTEL_S_UNINITIALIZED) { 761219974Smav /* Freshly created uninitialized volume. */ 762219974Smav g_raid_change_subdisk_state(sd, 763219974Smav G_RAID_SUBDISK_S_UNINITIALIZED); 764219974Smav } else if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) { 765219974Smav /* Freshly inserted disk. */ 766219974Smav g_raid_change_subdisk_state(sd, 767219974Smav G_RAID_SUBDISK_S_NEW); 768219974Smav } else if (mvol->dirty) { 769219974Smav /* Dirty volume (unclean shutdown). */ 770219974Smav g_raid_change_subdisk_state(sd, 771219974Smav G_RAID_SUBDISK_S_STALE); 772219974Smav } else { 773219974Smav /* Up to date disk. */ 774219974Smav g_raid_change_subdisk_state(sd, 775219974Smav G_RAID_SUBDISK_S_ACTIVE); 776219974Smav } 777219974Smav } else if (mvol->migr_type == INTEL_MT_INIT || 778219974Smav mvol->migr_type == INTEL_MT_REBUILD) { 779219974Smav if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) { 780219974Smav /* Freshly inserted disk. */ 781219974Smav g_raid_change_subdisk_state(sd, 782219974Smav G_RAID_SUBDISK_S_NEW); 783219974Smav } else if (mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) { 784219974Smav /* Rebuilding disk. */ 785219974Smav g_raid_change_subdisk_state(sd, 786219974Smav G_RAID_SUBDISK_S_REBUILD); 787219974Smav if (mvol->dirty) { 788219974Smav sd->sd_rebuild_pos = 0; 789219974Smav } else { 790219974Smav sd->sd_rebuild_pos = 791219974Smav (off_t)mvol->curr_migr_unit * 792219974Smav sd->sd_volume->v_strip_size * 793219974Smav mmap0->total_domains; 794219974Smav } 795219974Smav } else if (mvol->dirty) { 796219974Smav /* Dirty volume (unclean shutdown). */ 797219974Smav g_raid_change_subdisk_state(sd, 798219974Smav G_RAID_SUBDISK_S_STALE); 799219974Smav } else { 800219974Smav /* Up to date disk. */ 801219974Smav g_raid_change_subdisk_state(sd, 802219974Smav G_RAID_SUBDISK_S_ACTIVE); 803219974Smav } 804219974Smav } else if (mvol->migr_type == INTEL_MT_VERIFY || 805219974Smav mvol->migr_type == INTEL_MT_REPAIR) { 806219974Smav if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) { 807219974Smav /* Freshly inserted disk. */ 808219974Smav g_raid_change_subdisk_state(sd, 809219974Smav G_RAID_SUBDISK_S_NEW); 810219974Smav } else if (mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) { 811219974Smav /* Resyncing disk. */ 812219974Smav g_raid_change_subdisk_state(sd, 813219974Smav G_RAID_SUBDISK_S_RESYNC); 814219974Smav if (mvol->dirty) { 815219974Smav sd->sd_rebuild_pos = 0; 816219974Smav } else { 817219974Smav sd->sd_rebuild_pos = 818219974Smav (off_t)mvol->curr_migr_unit * 819219974Smav sd->sd_volume->v_strip_size * 820219974Smav mmap0->total_domains; 821219974Smav } 822219974Smav } else if (mvol->dirty) { 823219974Smav /* Dirty volume (unclean shutdown). */ 824219974Smav g_raid_change_subdisk_state(sd, 825219974Smav G_RAID_SUBDISK_S_STALE); 826219974Smav } else { 827219974Smav /* Up to date disk. */ 828219974Smav g_raid_change_subdisk_state(sd, 829219974Smav G_RAID_SUBDISK_S_ACTIVE); 830219974Smav } 831219974Smav } 832219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 833219974Smav G_RAID_EVENT_SUBDISK); 834219974Smav } 835219974Smav 836219974Smav /* Update status of our need for spare. */ 837219974Smav if (mdi->mdio_started) { 838219974Smav mdi->mdio_incomplete = 839219974Smav (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) < 840219974Smav meta->total_disks); 841219974Smav } 842219974Smav 843219974Smav return (resurrection); 844219974Smav} 845219974Smav 846219974Smavstatic void 847219974Smavg_disk_md_intel_retaste(void *arg, int pending) 848219974Smav{ 849219974Smav 850219974Smav G_RAID_DEBUG(1, "Array is not complete, trying to retaste."); 851219974Smav g_retaste(&g_raid_class); 852219974Smav free(arg, M_MD_INTEL); 853219974Smav} 854219974Smav 855219974Smavstatic void 856219974Smavg_raid_md_intel_refill(struct g_raid_softc *sc) 857219974Smav{ 858219974Smav struct g_raid_md_object *md; 859219974Smav struct g_raid_md_intel_object *mdi; 860219974Smav struct intel_raid_conf *meta; 861219974Smav struct g_raid_disk *disk; 862219974Smav struct task *task; 863219974Smav int update, na; 864219974Smav 865219974Smav md = sc->sc_md; 866219974Smav mdi = (struct g_raid_md_intel_object *)md; 867219974Smav meta = mdi->mdio_meta; 868219974Smav update = 0; 869219974Smav do { 870219974Smav /* Make sure we miss anything. */ 871219974Smav na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE); 872219974Smav if (na == meta->total_disks) 873219974Smav break; 874219974Smav 875219974Smav G_RAID_DEBUG1(1, md->mdo_softc, 876219974Smav "Array is not complete (%d of %d), " 877219974Smav "trying to refill.", na, meta->total_disks); 878219974Smav 879219974Smav /* Try to get use some of STALE disks. */ 880219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 881219974Smav if (disk->d_state == G_RAID_DISK_S_STALE) { 882219974Smav update += g_raid_md_intel_start_disk(disk); 883219974Smav if (disk->d_state == G_RAID_DISK_S_ACTIVE) 884219974Smav break; 885219974Smav } 886219974Smav } 887219974Smav if (disk != NULL) 888219974Smav continue; 889219974Smav 890219974Smav /* Try to get use some of SPARE disks. */ 891219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 892219974Smav if (disk->d_state == G_RAID_DISK_S_SPARE) { 893219974Smav update += g_raid_md_intel_start_disk(disk); 894219974Smav if (disk->d_state == G_RAID_DISK_S_ACTIVE) 895219974Smav break; 896219974Smav } 897219974Smav } 898219974Smav } while (disk != NULL); 899219974Smav 900219974Smav /* Write new metadata if we changed something. */ 901219974Smav if (update) { 902219974Smav g_raid_md_write_intel(md, NULL, NULL, NULL); 903219974Smav meta = mdi->mdio_meta; 904219974Smav } 905219974Smav 906219974Smav /* Update status of our need for spare. */ 907219974Smav mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) < 908219974Smav meta->total_disks); 909219974Smav 910219974Smav /* Request retaste hoping to find spare. */ 911219974Smav if (mdi->mdio_incomplete) { 912219974Smav task = malloc(sizeof(struct task), 913219974Smav M_MD_INTEL, M_WAITOK | M_ZERO); 914219974Smav TASK_INIT(task, 0, g_disk_md_intel_retaste, task); 915219974Smav taskqueue_enqueue(taskqueue_swi, task); 916219974Smav } 917219974Smav} 918219974Smav 919219974Smavstatic void 920219974Smavg_raid_md_intel_start(struct g_raid_softc *sc) 921219974Smav{ 922219974Smav struct g_raid_md_object *md; 923219974Smav struct g_raid_md_intel_object *mdi; 924219974Smav struct g_raid_md_intel_perdisk *pd; 925219974Smav struct intel_raid_conf *meta; 926219974Smav struct intel_raid_vol *mvol; 927219974Smav struct intel_raid_map *mmap; 928219974Smav struct g_raid_volume *vol; 929219974Smav struct g_raid_subdisk *sd; 930219974Smav struct g_raid_disk *disk; 931219974Smav int i, j, disk_pos; 932219974Smav 933219974Smav md = sc->sc_md; 934219974Smav mdi = (struct g_raid_md_intel_object *)md; 935219974Smav meta = mdi->mdio_meta; 936219974Smav 937219974Smav /* Create volumes and subdisks. */ 938219974Smav for (i = 0; i < meta->total_volumes; i++) { 939219974Smav mvol = intel_get_volume(meta, i); 940219974Smav mmap = intel_get_map(mvol, 0); 941219974Smav vol = g_raid_create_volume(sc, mvol->name, -1); 942219974Smav vol->v_md_data = (void *)(intptr_t)i; 943219974Smav if (mmap->type == INTEL_T_RAID0) 944219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID0; 945219974Smav else if (mmap->type == INTEL_T_RAID1 && 946219974Smav mmap->total_domains >= 2 && 947219974Smav mmap->total_domains <= mmap->total_disks) { 948219974Smav /* Assume total_domains is correct. */ 949219974Smav if (mmap->total_domains == mmap->total_disks) 950219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID1; 951219974Smav else 952219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E; 953219974Smav } else if (mmap->type == INTEL_T_RAID1) { 954219974Smav /* total_domains looks wrong. */ 955219974Smav if (mmap->total_disks <= 2) 956219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID1; 957219974Smav else 958219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E; 959219974Smav } else if (mmap->type == INTEL_T_RAID5) 960219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID5; 961219974Smav else 962219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN; 963219974Smav vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE; 964219974Smav vol->v_strip_size = (u_int)mmap->strip_sectors * 512; //ZZZ 965219974Smav vol->v_disks_count = mmap->total_disks; 966219974Smav vol->v_mediasize = (off_t)mvol->total_sectors * 512; //ZZZ 967219974Smav vol->v_sectorsize = 512; //ZZZ 968219974Smav for (j = 0; j < vol->v_disks_count; j++) { 969219974Smav sd = &vol->v_subdisks[j]; 970219974Smav sd->sd_offset = (off_t)mmap->offset * 512; //ZZZ 971219974Smav sd->sd_size = (off_t)mmap->disk_sectors * 512; //ZZZ 972219974Smav } 973219974Smav g_raid_start_volume(vol); 974219974Smav } 975219974Smav 976219974Smav /* Create disk placeholders to store data for later writing. */ 977219974Smav for (disk_pos = 0; disk_pos < meta->total_disks; disk_pos++) { 978219974Smav pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO); 979219974Smav pd->pd_disk_pos = disk_pos; 980219974Smav pd->pd_disk_meta = meta->disk[disk_pos]; 981219974Smav disk = g_raid_create_disk(sc); 982219974Smav disk->d_md_data = (void *)pd; 983219974Smav disk->d_state = G_RAID_DISK_S_OFFLINE; 984219974Smav for (i = 0; i < meta->total_volumes; i++) { 985219974Smav mvol = intel_get_volume(meta, i); 986219974Smav mmap = intel_get_map(mvol, 0); 987219974Smav for (j = 0; j < mmap->total_disks; j++) { 988219974Smav if ((mmap->disk_idx[j] & INTEL_DI_IDX) == disk_pos) 989219974Smav break; 990219974Smav } 991219974Smav if (j == mmap->total_disks) 992219974Smav continue; 993219974Smav vol = g_raid_md_intel_get_volume(sc, i); 994219974Smav sd = &vol->v_subdisks[j]; 995219974Smav sd->sd_disk = disk; 996219974Smav TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 997219974Smav } 998219974Smav } 999219974Smav 1000219974Smav /* Make all disks found till the moment take their places. */ 1001219974Smav do { 1002219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1003219974Smav if (disk->d_state == G_RAID_DISK_S_NONE) { 1004219974Smav g_raid_md_intel_start_disk(disk); 1005219974Smav break; 1006219974Smav } 1007219974Smav } 1008219974Smav } while (disk != NULL); 1009219974Smav 1010219974Smav mdi->mdio_started = 1; 1011219974Smav G_RAID_DEBUG1(0, sc, "Array started."); 1012219974Smav g_raid_md_write_intel(md, NULL, NULL, NULL); 1013219974Smav 1014219974Smav /* Pickup any STALE/SPARE disks to refill array if needed. */ 1015219974Smav g_raid_md_intel_refill(sc); 1016219974Smav 1017219974Smav TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 1018219974Smav g_raid_event_send(vol, G_RAID_VOLUME_E_START, 1019219974Smav G_RAID_EVENT_VOLUME); 1020219974Smav } 1021219974Smav 1022219974Smav callout_stop(&mdi->mdio_start_co); 1023219974Smav G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount); 1024219974Smav root_mount_rel(mdi->mdio_rootmount); 1025219974Smav mdi->mdio_rootmount = NULL; 1026219974Smav} 1027219974Smav 1028219974Smavstatic void 1029219974Smavg_raid_md_intel_new_disk(struct g_raid_disk *disk) 1030219974Smav{ 1031219974Smav struct g_raid_softc *sc; 1032219974Smav struct g_raid_md_object *md; 1033219974Smav struct g_raid_md_intel_object *mdi; 1034219974Smav struct intel_raid_conf *pdmeta; 1035219974Smav struct g_raid_md_intel_perdisk *pd; 1036219974Smav 1037219974Smav sc = disk->d_softc; 1038219974Smav md = sc->sc_md; 1039219974Smav mdi = (struct g_raid_md_intel_object *)md; 1040219974Smav pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 1041219974Smav pdmeta = pd->pd_meta; 1042219974Smav 1043219974Smav if (mdi->mdio_started) { 1044219974Smav if (g_raid_md_intel_start_disk(disk)) 1045219974Smav g_raid_md_write_intel(md, NULL, NULL, NULL); 1046219974Smav } else { 1047219974Smav /* If we haven't started yet - check metadata freshness. */ 1048219974Smav if (mdi->mdio_meta == NULL || 1049219974Smav ((int32_t)(pdmeta->generation - mdi->mdio_generation)) > 0) { 1050219974Smav G_RAID_DEBUG1(1, sc, "Newer disk"); 1051219974Smav if (mdi->mdio_meta != NULL) 1052219974Smav free(mdi->mdio_meta, M_MD_INTEL); 1053219974Smav mdi->mdio_meta = intel_meta_copy(pdmeta); 1054219974Smav mdi->mdio_generation = mdi->mdio_meta->generation; 1055219974Smav mdi->mdio_disks_present = 1; 1056219974Smav } else if (pdmeta->generation == mdi->mdio_generation) { 1057219974Smav mdi->mdio_disks_present++; 1058219974Smav G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)", 1059219974Smav mdi->mdio_disks_present, 1060219974Smav mdi->mdio_meta->total_disks); 1061219974Smav } else { 1062219974Smav G_RAID_DEBUG1(1, sc, "Older disk"); 1063219974Smav } 1064219974Smav /* If we collected all needed disks - start array. */ 1065219974Smav if (mdi->mdio_disks_present == mdi->mdio_meta->total_disks) 1066219974Smav g_raid_md_intel_start(sc); 1067219974Smav } 1068219974Smav} 1069219974Smav 1070219974Smavstatic void 1071219974Smavg_raid_intel_go(void *arg) 1072219974Smav{ 1073219974Smav struct g_raid_softc *sc; 1074219974Smav struct g_raid_md_object *md; 1075219974Smav struct g_raid_md_intel_object *mdi; 1076219974Smav 1077219974Smav sc = arg; 1078219974Smav md = sc->sc_md; 1079219974Smav mdi = (struct g_raid_md_intel_object *)md; 1080219974Smav if (!mdi->mdio_started) { 1081219974Smav G_RAID_DEBUG1(0, sc, "Force array start due to timeout."); 1082219974Smav g_raid_event_send(sc, G_RAID_NODE_E_START, 0); 1083219974Smav } 1084219974Smav} 1085219974Smav 1086219974Smavstatic int 1087219974Smavg_raid_md_create_intel(struct g_raid_md_object *md, struct g_class *mp, 1088219974Smav struct g_geom **gp) 1089219974Smav{ 1090219974Smav struct g_raid_softc *sc; 1091219974Smav struct g_raid_md_intel_object *mdi; 1092219974Smav char name[16]; 1093219974Smav 1094219974Smav mdi = (struct g_raid_md_intel_object *)md; 1095219974Smav mdi->mdio_config_id = arc4random(); 1096219974Smav mdi->mdio_generation = 0; 1097219974Smav snprintf(name, sizeof(name), "Intel-%08x", mdi->mdio_config_id); 1098219974Smav sc = g_raid_create_node(mp, name, md); 1099219974Smav if (sc == NULL) 1100219974Smav return (G_RAID_MD_TASTE_FAIL); 1101219974Smav md->mdo_softc = sc; 1102219974Smav *gp = sc->sc_geom; 1103219974Smav return (G_RAID_MD_TASTE_NEW); 1104219974Smav} 1105219974Smav 1106219974Smav/* 1107219974Smav * Return the last N characters of the serial label. The Linux and 1108219974Smav * ataraid(7) code always uses the last 16 characters of the label to 1109219974Smav * store into the Intel meta format. Generalize this to N characters 1110219974Smav * since that's easy. Labels can be up to 20 characters for SATA drives 1111219974Smav * and up 251 characters for SAS drives. Since intel controllers don't 1112219974Smav * support SAS drives, just stick with the SATA limits for stack friendliness. 1113219974Smav */ 1114219974Smavstatic int 1115219974Smavg_raid_md_get_label(struct g_consumer *cp, char *serial, int serlen) 1116219974Smav{ 1117219974Smav char serial_buffer[24]; 1118219974Smav int len, error; 1119219974Smav 1120219974Smav len = sizeof(serial_buffer); 1121219974Smav error = g_io_getattr("GEOM::ident", cp, &len, serial_buffer); 1122219974Smav if (error != 0) 1123219974Smav return (error); 1124219974Smav len = strlen(serial_buffer); 1125219974Smav if (len > serlen) 1126219974Smav len -= serlen; 1127219974Smav else 1128219974Smav len = 0; 1129219974Smav strncpy(serial, serial_buffer + len, serlen); 1130219974Smav return (0); 1131219974Smav} 1132219974Smav 1133219974Smavstatic int 1134219974Smavg_raid_md_taste_intel(struct g_raid_md_object *md, struct g_class *mp, 1135219974Smav struct g_consumer *cp, struct g_geom **gp) 1136219974Smav{ 1137219974Smav struct g_consumer *rcp; 1138219974Smav struct g_provider *pp; 1139219974Smav struct g_raid_md_intel_object *mdi, *mdi1; 1140219974Smav struct g_raid_softc *sc; 1141219974Smav struct g_raid_disk *disk; 1142219974Smav struct intel_raid_conf *meta; 1143219974Smav struct g_raid_md_intel_perdisk *pd; 1144219974Smav struct g_geom *geom; 1145219974Smav int error, disk_pos, result, spare, len; 1146219974Smav char serial[INTEL_SERIAL_LEN]; 1147219974Smav char name[16]; 1148219974Smav uint16_t vendor; 1149219974Smav 1150219974Smav G_RAID_DEBUG(1, "Tasting Intel on %s", cp->provider->name); 1151219974Smav mdi = (struct g_raid_md_intel_object *)md; 1152219974Smav pp = cp->provider; 1153219974Smav 1154219974Smav /* Read metadata from device. */ 1155219974Smav meta = NULL; 1156219974Smav vendor = 0xffff; 1157219974Smav disk_pos = 0; 1158219974Smav if (g_access(cp, 1, 0, 0) != 0) 1159219974Smav return (G_RAID_MD_TASTE_FAIL); 1160219974Smav g_topology_unlock(); 1161219974Smav error = g_raid_md_get_label(cp, serial, sizeof(serial)); 1162219974Smav if (error != 0) { 1163219974Smav G_RAID_DEBUG(1, "Cannot get serial number from %s (error=%d).", 1164219974Smav pp->name, error); 1165219974Smav goto fail2; 1166219974Smav } 1167219974Smav len = 2; 1168219974Smav if (pp->geom->rank == 1) 1169219974Smav g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor); 1170219974Smav meta = intel_meta_read(cp); 1171219974Smav g_topology_lock(); 1172219974Smav g_access(cp, -1, 0, 0); 1173219974Smav if (meta == NULL) { 1174219974Smav if (g_raid_aggressive_spare) { 1175229301Smav if (vendor != 0x8086) { 1176219974Smav G_RAID_DEBUG(1, 1177229301Smav "Intel vendor mismatch 0x%04x != 0x8086", 1178229301Smav vendor); 1179229301Smav } else if (pp->mediasize / pp->sectorsize > UINT32_MAX) { 1180229301Smav G_RAID_DEBUG(1, 1181229301Smav "Intel disk '%s' is too big.", pp->name); 1182229301Smav } else { 1183229301Smav G_RAID_DEBUG(1, 1184219974Smav "No Intel metadata, forcing spare."); 1185219974Smav spare = 2; 1186219974Smav goto search; 1187219974Smav } 1188219974Smav } 1189219974Smav return (G_RAID_MD_TASTE_FAIL); 1190219974Smav } 1191219974Smav 1192219974Smav /* Check this disk position in obtained metadata. */ 1193219974Smav disk_pos = intel_meta_find_disk(meta, serial); 1194219974Smav if (disk_pos < 0) { 1195219974Smav G_RAID_DEBUG(1, "Intel serial '%s' not found", serial); 1196219974Smav goto fail1; 1197219974Smav } 1198219974Smav if (meta->disk[disk_pos].sectors != 1199219974Smav (pp->mediasize / pp->sectorsize)) { 1200229301Smav G_RAID_DEBUG(1, "Intel size mismatch %ju != %ju", 1201229301Smav (off_t)meta->disk[disk_pos].sectors, 1202229301Smav (off_t)(pp->mediasize / pp->sectorsize)); 1203219974Smav goto fail1; 1204219974Smav } 1205219974Smav 1206219974Smav /* Metadata valid. Print it. */ 1207219974Smav g_raid_md_intel_print(meta); 1208219974Smav G_RAID_DEBUG(1, "Intel disk position %d", disk_pos); 1209219974Smav spare = meta->disk[disk_pos].flags & INTEL_F_SPARE; 1210219974Smav 1211219974Smavsearch: 1212219974Smav /* Search for matching node. */ 1213219974Smav sc = NULL; 1214219974Smav mdi1 = NULL; 1215219974Smav LIST_FOREACH(geom, &mp->geom, geom) { 1216219974Smav sc = geom->softc; 1217219974Smav if (sc == NULL) 1218219974Smav continue; 1219219974Smav if (sc->sc_stopping != 0) 1220219974Smav continue; 1221219974Smav if (sc->sc_md->mdo_class != md->mdo_class) 1222219974Smav continue; 1223219974Smav mdi1 = (struct g_raid_md_intel_object *)sc->sc_md; 1224219974Smav if (spare) { 1225219974Smav if (mdi1->mdio_incomplete) 1226219974Smav break; 1227219974Smav } else { 1228219974Smav if (mdi1->mdio_config_id == meta->config_id) 1229219974Smav break; 1230219974Smav } 1231219974Smav } 1232219974Smav 1233219974Smav /* Found matching node. */ 1234219974Smav if (geom != NULL) { 1235219974Smav G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name); 1236219974Smav result = G_RAID_MD_TASTE_EXISTING; 1237219974Smav 1238219974Smav } else if (spare) { /* Not found needy node -- left for later. */ 1239219974Smav G_RAID_DEBUG(1, "Spare is not needed at this time"); 1240219974Smav goto fail1; 1241219974Smav 1242219974Smav } else { /* Not found matching node -- create one. */ 1243219974Smav result = G_RAID_MD_TASTE_NEW; 1244219974Smav mdi->mdio_config_id = meta->config_id; 1245219974Smav snprintf(name, sizeof(name), "Intel-%08x", meta->config_id); 1246219974Smav sc = g_raid_create_node(mp, name, md); 1247219974Smav md->mdo_softc = sc; 1248219974Smav geom = sc->sc_geom; 1249219974Smav callout_init(&mdi->mdio_start_co, 1); 1250219974Smav callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz, 1251219974Smav g_raid_intel_go, sc); 1252219974Smav mdi->mdio_rootmount = root_mount_hold("GRAID-Intel"); 1253219974Smav G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount); 1254219974Smav } 1255219974Smav 1256219974Smav rcp = g_new_consumer(geom); 1257219974Smav g_attach(rcp, pp); 1258219974Smav if (g_access(rcp, 1, 1, 1) != 0) 1259219974Smav ; //goto fail1; 1260219974Smav 1261219974Smav g_topology_unlock(); 1262219974Smav sx_xlock(&sc->sc_lock); 1263219974Smav 1264219974Smav pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO); 1265219974Smav pd->pd_meta = meta; 1266219974Smav pd->pd_disk_pos = -1; 1267219974Smav if (spare == 2) { 1268219974Smav memcpy(&pd->pd_disk_meta.serial[0], serial, INTEL_SERIAL_LEN); 1269219974Smav pd->pd_disk_meta.sectors = pp->mediasize / pp->sectorsize; 1270219974Smav pd->pd_disk_meta.id = 0; 1271219974Smav pd->pd_disk_meta.flags = INTEL_F_SPARE; 1272219974Smav } else { 1273219974Smav pd->pd_disk_meta = meta->disk[disk_pos]; 1274219974Smav } 1275219974Smav disk = g_raid_create_disk(sc); 1276219974Smav disk->d_md_data = (void *)pd; 1277219974Smav disk->d_consumer = rcp; 1278219974Smav rcp->private = disk; 1279219974Smav 1280219974Smav /* Read kernel dumping information. */ 1281219974Smav disk->d_kd.offset = 0; 1282219974Smav disk->d_kd.length = OFF_MAX; 1283219974Smav len = sizeof(disk->d_kd); 1284219974Smav error = g_io_getattr("GEOM::kerneldump", rcp, &len, &disk->d_kd); 1285219974Smav if (disk->d_kd.di.dumper == NULL) 1286219974Smav G_RAID_DEBUG1(2, sc, "Dumping not supported by %s: %d.", 1287219974Smav rcp->provider->name, error); 1288219974Smav 1289219974Smav g_raid_md_intel_new_disk(disk); 1290219974Smav 1291219974Smav sx_xunlock(&sc->sc_lock); 1292219974Smav g_topology_lock(); 1293219974Smav *gp = geom; 1294219974Smav return (result); 1295219974Smavfail2: 1296219974Smav g_topology_lock(); 1297219974Smav g_access(cp, -1, 0, 0); 1298219974Smavfail1: 1299219974Smav free(meta, M_MD_INTEL); 1300219974Smav return (G_RAID_MD_TASTE_FAIL); 1301219974Smav} 1302219974Smav 1303219974Smavstatic int 1304219974Smavg_raid_md_event_intel(struct g_raid_md_object *md, 1305219974Smav struct g_raid_disk *disk, u_int event) 1306219974Smav{ 1307219974Smav struct g_raid_softc *sc; 1308219974Smav struct g_raid_subdisk *sd; 1309219974Smav struct g_raid_md_intel_object *mdi; 1310219974Smav struct g_raid_md_intel_perdisk *pd; 1311219974Smav 1312219974Smav sc = md->mdo_softc; 1313219974Smav mdi = (struct g_raid_md_intel_object *)md; 1314219974Smav if (disk == NULL) { 1315219974Smav switch (event) { 1316219974Smav case G_RAID_NODE_E_START: 1317219974Smav if (!mdi->mdio_started) 1318219974Smav g_raid_md_intel_start(sc); 1319219974Smav return (0); 1320219974Smav } 1321219974Smav return (-1); 1322219974Smav } 1323219974Smav pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 1324219974Smav switch (event) { 1325219974Smav case G_RAID_DISK_E_DISCONNECTED: 1326219974Smav /* If disk was assigned, just update statuses. */ 1327219974Smav if (pd->pd_disk_pos >= 0) { 1328219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 1329219974Smav if (disk->d_consumer) { 1330219974Smav g_raid_kill_consumer(sc, disk->d_consumer); 1331219974Smav disk->d_consumer = NULL; 1332219974Smav } 1333219974Smav TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 1334219974Smav g_raid_change_subdisk_state(sd, 1335219974Smav G_RAID_SUBDISK_S_NONE); 1336219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED, 1337219974Smav G_RAID_EVENT_SUBDISK); 1338219974Smav } 1339219974Smav } else { 1340219974Smav /* Otherwise -- delete. */ 1341219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE); 1342219974Smav g_raid_destroy_disk(disk); 1343219974Smav } 1344219974Smav 1345219974Smav /* Write updated metadata to all disks. */ 1346219974Smav g_raid_md_write_intel(md, NULL, NULL, NULL); 1347219974Smav 1348219974Smav /* Check if anything left except placeholders. */ 1349219974Smav if (g_raid_ndisks(sc, -1) == 1350219974Smav g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 1351219974Smav g_raid_destroy_node(sc, 0); 1352219974Smav else 1353219974Smav g_raid_md_intel_refill(sc); 1354219974Smav return (0); 1355219974Smav } 1356219974Smav return (-2); 1357219974Smav} 1358219974Smav 1359219974Smavstatic int 1360219974Smavg_raid_md_ctl_intel(struct g_raid_md_object *md, 1361219974Smav struct gctl_req *req) 1362219974Smav{ 1363219974Smav struct g_raid_softc *sc; 1364219974Smav struct g_raid_volume *vol, *vol1; 1365219974Smav struct g_raid_subdisk *sd; 1366219974Smav struct g_raid_disk *disk; 1367219974Smav struct g_raid_md_intel_object *mdi; 1368219974Smav struct g_raid_md_intel_perdisk *pd; 1369219974Smav struct g_consumer *cp; 1370219974Smav struct g_provider *pp; 1371219974Smav char arg[16], serial[INTEL_SERIAL_LEN]; 1372219974Smav const char *verb, *volname, *levelname, *diskname; 1373219974Smav char *tmp; 1374219974Smav int *nargs, *force; 1375219974Smav off_t off, size, sectorsize, strip; 1376219974Smav intmax_t *sizearg, *striparg; 1377219974Smav int numdisks, i, len, level, qual, update; 1378219974Smav int error; 1379219974Smav 1380219974Smav sc = md->mdo_softc; 1381219974Smav mdi = (struct g_raid_md_intel_object *)md; 1382219974Smav verb = gctl_get_param(req, "verb", NULL); 1383219974Smav nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); 1384219974Smav error = 0; 1385219974Smav if (strcmp(verb, "label") == 0) { 1386219974Smav 1387219974Smav if (*nargs < 4) { 1388219974Smav gctl_error(req, "Invalid number of arguments."); 1389219974Smav return (-1); 1390219974Smav } 1391219974Smav volname = gctl_get_asciiparam(req, "arg1"); 1392219974Smav if (volname == NULL) { 1393219974Smav gctl_error(req, "No volume name."); 1394219974Smav return (-2); 1395219974Smav } 1396219974Smav levelname = gctl_get_asciiparam(req, "arg2"); 1397219974Smav if (levelname == NULL) { 1398219974Smav gctl_error(req, "No RAID level."); 1399219974Smav return (-3); 1400219974Smav } 1401219974Smav if (g_raid_volume_str2level(levelname, &level, &qual)) { 1402219974Smav gctl_error(req, "Unknown RAID level '%s'.", levelname); 1403219974Smav return (-4); 1404219974Smav } 1405219974Smav numdisks = *nargs - 3; 1406219974Smav force = gctl_get_paraml(req, "force", sizeof(*force)); 1407219974Smav if (!g_raid_md_intel_supported(level, qual, numdisks, 1408219974Smav force ? *force : 0)) { 1409219974Smav gctl_error(req, "Unsupported RAID level " 1410219974Smav "(0x%02x/0x%02x), or number of disks (%d).", 1411219974Smav level, qual, numdisks); 1412219974Smav return (-5); 1413219974Smav } 1414219974Smav 1415219974Smav /* Search for disks, connect them and probe. */ 1416219974Smav size = 0x7fffffffffffffffllu; 1417219974Smav sectorsize = 0; 1418219974Smav for (i = 0; i < numdisks; i++) { 1419219974Smav snprintf(arg, sizeof(arg), "arg%d", i + 3); 1420219974Smav diskname = gctl_get_asciiparam(req, arg); 1421219974Smav if (diskname == NULL) { 1422219974Smav gctl_error(req, "No disk name (%s).", arg); 1423219974Smav error = -6; 1424219974Smav break; 1425219974Smav } 1426219974Smav if (strcmp(diskname, "NONE") == 0) { 1427219974Smav cp = NULL; 1428219974Smav pp = NULL; 1429219974Smav } else { 1430219974Smav g_topology_lock(); 1431219974Smav cp = g_raid_open_consumer(sc, diskname); 1432219974Smav if (cp == NULL) { 1433219974Smav gctl_error(req, "Can't open disk '%s'.", 1434219974Smav diskname); 1435219974Smav g_topology_unlock(); 1436220210Smav error = -7; 1437219974Smav break; 1438219974Smav } 1439219974Smav pp = cp->provider; 1440219974Smav } 1441219974Smav pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO); 1442219974Smav pd->pd_disk_pos = i; 1443219974Smav disk = g_raid_create_disk(sc); 1444219974Smav disk->d_md_data = (void *)pd; 1445219974Smav disk->d_consumer = cp; 1446219974Smav if (cp == NULL) { 1447219974Smav strcpy(&pd->pd_disk_meta.serial[0], "NONE"); 1448219974Smav pd->pd_disk_meta.id = 0xffffffff; 1449219974Smav pd->pd_disk_meta.flags = INTEL_F_ASSIGNED; 1450219974Smav continue; 1451219974Smav } 1452219974Smav cp->private = disk; 1453219974Smav g_topology_unlock(); 1454219974Smav 1455229301Smav if (pp->mediasize / pp->sectorsize > UINT32_MAX) { 1456229301Smav gctl_error(req, 1457229301Smav "Disk '%s' is too big.", diskname); 1458229301Smav error = -8; 1459229301Smav break; 1460229301Smav } 1461229301Smav 1462219974Smav error = g_raid_md_get_label(cp, 1463219974Smav &pd->pd_disk_meta.serial[0], INTEL_SERIAL_LEN); 1464219974Smav if (error != 0) { 1465219974Smav gctl_error(req, 1466219974Smav "Can't get serial for provider '%s'.", 1467219974Smav diskname); 1468219974Smav error = -8; 1469219974Smav break; 1470219974Smav } 1471219974Smav 1472219974Smav /* Read kernel dumping information. */ 1473219974Smav disk->d_kd.offset = 0; 1474219974Smav disk->d_kd.length = OFF_MAX; 1475219974Smav len = sizeof(disk->d_kd); 1476219974Smav g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd); 1477219974Smav if (disk->d_kd.di.dumper == NULL) 1478219974Smav G_RAID_DEBUG1(2, sc, 1479219974Smav "Dumping not supported by %s.", 1480219974Smav cp->provider->name); 1481219974Smav 1482219974Smav pd->pd_disk_meta.sectors = pp->mediasize / pp->sectorsize; 1483219974Smav if (size > pp->mediasize) 1484219974Smav size = pp->mediasize; 1485219974Smav if (sectorsize < pp->sectorsize) 1486219974Smav sectorsize = pp->sectorsize; 1487219974Smav pd->pd_disk_meta.id = 0; 1488219974Smav pd->pd_disk_meta.flags = INTEL_F_ASSIGNED | INTEL_F_ONLINE; 1489219974Smav } 1490219974Smav if (error != 0) 1491219974Smav return (error); 1492219974Smav 1493220210Smav if (sectorsize <= 0) { 1494220210Smav gctl_error(req, "Can't get sector size."); 1495220210Smav return (-8); 1496220210Smav } 1497220210Smav 1498219974Smav /* Reserve some space for metadata. */ 1499219974Smav size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize; 1500219974Smav 1501219974Smav /* Handle size argument. */ 1502219974Smav len = sizeof(*sizearg); 1503219974Smav sizearg = gctl_get_param(req, "size", &len); 1504219974Smav if (sizearg != NULL && len == sizeof(*sizearg) && 1505219974Smav *sizearg > 0) { 1506219974Smav if (*sizearg > size) { 1507219974Smav gctl_error(req, "Size too big %lld > %lld.", 1508219974Smav (long long)*sizearg, (long long)size); 1509219974Smav return (-9); 1510219974Smav } 1511219974Smav size = *sizearg; 1512219974Smav } 1513219974Smav 1514219974Smav /* Handle strip argument. */ 1515219974Smav strip = 131072; 1516219974Smav len = sizeof(*striparg); 1517219974Smav striparg = gctl_get_param(req, "strip", &len); 1518219974Smav if (striparg != NULL && len == sizeof(*striparg) && 1519219974Smav *striparg > 0) { 1520219974Smav if (*striparg < sectorsize) { 1521219974Smav gctl_error(req, "Strip size too small."); 1522219974Smav return (-10); 1523219974Smav } 1524219974Smav if (*striparg % sectorsize != 0) { 1525219974Smav gctl_error(req, "Incorrect strip size."); 1526219974Smav return (-11); 1527219974Smav } 1528219974Smav if (strip > 65535 * sectorsize) { 1529219974Smav gctl_error(req, "Strip size too big."); 1530219974Smav return (-12); 1531219974Smav } 1532219974Smav strip = *striparg; 1533219974Smav } 1534219974Smav 1535219974Smav /* Round size down to strip or sector. */ 1536219974Smav if (level == G_RAID_VOLUME_RL_RAID1) 1537219974Smav size -= (size % sectorsize); 1538219974Smav else if (level == G_RAID_VOLUME_RL_RAID1E && 1539219974Smav (numdisks & 1) != 0) 1540219974Smav size -= (size % (2 * strip)); 1541219974Smav else 1542219974Smav size -= (size % strip); 1543219974Smav if (size <= 0) { 1544219974Smav gctl_error(req, "Size too small."); 1545219974Smav return (-13); 1546219974Smav } 1547219974Smav if (size > 0xffffffffllu * sectorsize) { 1548219974Smav gctl_error(req, "Size too big."); 1549219974Smav return (-14); 1550219974Smav } 1551219974Smav 1552219974Smav /* We have all we need, create things: volume, ... */ 1553219974Smav mdi->mdio_started = 1; 1554219974Smav vol = g_raid_create_volume(sc, volname, -1); 1555219974Smav vol->v_md_data = (void *)(intptr_t)0; 1556219974Smav vol->v_raid_level = level; 1557219974Smav vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE; 1558219974Smav vol->v_strip_size = strip; 1559219974Smav vol->v_disks_count = numdisks; 1560219974Smav if (level == G_RAID_VOLUME_RL_RAID0) 1561219974Smav vol->v_mediasize = size * numdisks; 1562219974Smav else if (level == G_RAID_VOLUME_RL_RAID1) 1563219974Smav vol->v_mediasize = size; 1564219974Smav else if (level == G_RAID_VOLUME_RL_RAID5) 1565219974Smav vol->v_mediasize = size * (numdisks - 1); 1566219974Smav else { /* RAID1E */ 1567219974Smav vol->v_mediasize = ((size * numdisks) / strip / 2) * 1568219974Smav strip; 1569219974Smav } 1570219974Smav vol->v_sectorsize = sectorsize; 1571219974Smav g_raid_start_volume(vol); 1572219974Smav 1573219974Smav /* , and subdisks. */ 1574219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1575219974Smav pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 1576219974Smav sd = &vol->v_subdisks[pd->pd_disk_pos]; 1577219974Smav sd->sd_disk = disk; 1578219974Smav sd->sd_offset = 0; 1579219974Smav sd->sd_size = size; 1580219974Smav TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 1581219974Smav if (sd->sd_disk->d_consumer != NULL) { 1582219974Smav g_raid_change_disk_state(disk, 1583219974Smav G_RAID_DISK_S_ACTIVE); 1584219974Smav g_raid_change_subdisk_state(sd, 1585219974Smav G_RAID_SUBDISK_S_ACTIVE); 1586219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 1587219974Smav G_RAID_EVENT_SUBDISK); 1588219974Smav } else { 1589219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 1590219974Smav } 1591219974Smav } 1592219974Smav 1593219974Smav /* Write metadata based on created entities. */ 1594219974Smav G_RAID_DEBUG1(0, sc, "Array started."); 1595219974Smav g_raid_md_write_intel(md, NULL, NULL, NULL); 1596219974Smav 1597219974Smav /* Pickup any STALE/SPARE disks to refill array if needed. */ 1598219974Smav g_raid_md_intel_refill(sc); 1599219974Smav 1600219974Smav g_raid_event_send(vol, G_RAID_VOLUME_E_START, 1601219974Smav G_RAID_EVENT_VOLUME); 1602219974Smav return (0); 1603219974Smav } 1604219974Smav if (strcmp(verb, "add") == 0) { 1605219974Smav 1606219974Smav if (*nargs != 3) { 1607219974Smav gctl_error(req, "Invalid number of arguments."); 1608219974Smav return (-1); 1609219974Smav } 1610219974Smav volname = gctl_get_asciiparam(req, "arg1"); 1611219974Smav if (volname == NULL) { 1612219974Smav gctl_error(req, "No volume name."); 1613219974Smav return (-2); 1614219974Smav } 1615219974Smav levelname = gctl_get_asciiparam(req, "arg2"); 1616219974Smav if (levelname == NULL) { 1617219974Smav gctl_error(req, "No RAID level."); 1618219974Smav return (-3); 1619219974Smav } 1620219974Smav if (g_raid_volume_str2level(levelname, &level, &qual)) { 1621219974Smav gctl_error(req, "Unknown RAID level '%s'.", levelname); 1622219974Smav return (-4); 1623219974Smav } 1624219974Smav 1625219974Smav /* Look for existing volumes. */ 1626219974Smav i = 0; 1627219974Smav vol1 = NULL; 1628219974Smav TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 1629219974Smav vol1 = vol; 1630219974Smav i++; 1631219974Smav } 1632219974Smav if (i > 1) { 1633219974Smav gctl_error(req, "Maximum two volumes supported."); 1634219974Smav return (-6); 1635219974Smav } 1636219974Smav if (vol1 == NULL) { 1637219974Smav gctl_error(req, "At least one volume must exist."); 1638219974Smav return (-7); 1639219974Smav } 1640219974Smav 1641219974Smav numdisks = vol1->v_disks_count; 1642219974Smav force = gctl_get_paraml(req, "force", sizeof(*force)); 1643219974Smav if (!g_raid_md_intel_supported(level, qual, numdisks, 1644219974Smav force ? *force : 0)) { 1645219974Smav gctl_error(req, "Unsupported RAID level " 1646219974Smav "(0x%02x/0x%02x), or number of disks (%d).", 1647219974Smav level, qual, numdisks); 1648219974Smav return (-5); 1649219974Smav } 1650219974Smav 1651219974Smav /* Collect info about present disks. */ 1652219974Smav size = 0x7fffffffffffffffllu; 1653219974Smav sectorsize = 512; 1654219974Smav for (i = 0; i < numdisks; i++) { 1655219974Smav disk = vol1->v_subdisks[i].sd_disk; 1656219974Smav pd = (struct g_raid_md_intel_perdisk *) 1657219974Smav disk->d_md_data; 1658219974Smav if ((off_t)pd->pd_disk_meta.sectors * 512 < size) 1659219974Smav size = (off_t)pd->pd_disk_meta.sectors * 512; 1660219974Smav if (disk->d_consumer != NULL && 1661219974Smav disk->d_consumer->provider != NULL && 1662219974Smav disk->d_consumer->provider->sectorsize > 1663219974Smav sectorsize) { 1664219974Smav sectorsize = 1665219974Smav disk->d_consumer->provider->sectorsize; 1666219974Smav } 1667219974Smav } 1668219974Smav 1669219974Smav /* Reserve some space for metadata. */ 1670219974Smav size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize; 1671219974Smav 1672219974Smav /* Decide insert before or after. */ 1673219974Smav sd = &vol1->v_subdisks[0]; 1674219974Smav if (sd->sd_offset > 1675219974Smav size - (sd->sd_offset + sd->sd_size)) { 1676219974Smav off = 0; 1677219974Smav size = sd->sd_offset; 1678219974Smav } else { 1679219974Smav off = sd->sd_offset + sd->sd_size; 1680219974Smav size = size - (sd->sd_offset + sd->sd_size); 1681219974Smav } 1682219974Smav 1683219974Smav /* Handle strip argument. */ 1684219974Smav strip = 131072; 1685219974Smav len = sizeof(*striparg); 1686219974Smav striparg = gctl_get_param(req, "strip", &len); 1687219974Smav if (striparg != NULL && len == sizeof(*striparg) && 1688219974Smav *striparg > 0) { 1689219974Smav if (*striparg < sectorsize) { 1690219974Smav gctl_error(req, "Strip size too small."); 1691219974Smav return (-10); 1692219974Smav } 1693219974Smav if (*striparg % sectorsize != 0) { 1694219974Smav gctl_error(req, "Incorrect strip size."); 1695219974Smav return (-11); 1696219974Smav } 1697219974Smav if (strip > 65535 * sectorsize) { 1698219974Smav gctl_error(req, "Strip size too big."); 1699219974Smav return (-12); 1700219974Smav } 1701219974Smav strip = *striparg; 1702219974Smav } 1703219974Smav 1704219974Smav /* Round offset up to strip. */ 1705219974Smav if (off % strip != 0) { 1706219974Smav size -= strip - off % strip; 1707219974Smav off += strip - off % strip; 1708219974Smav } 1709219974Smav 1710219974Smav /* Handle size argument. */ 1711219974Smav len = sizeof(*sizearg); 1712219974Smav sizearg = gctl_get_param(req, "size", &len); 1713219974Smav if (sizearg != NULL && len == sizeof(*sizearg) && 1714219974Smav *sizearg > 0) { 1715219974Smav if (*sizearg > size) { 1716219974Smav gctl_error(req, "Size too big %lld > %lld.", 1717219974Smav (long long)*sizearg, (long long)size); 1718219974Smav return (-9); 1719219974Smav } 1720219974Smav size = *sizearg; 1721219974Smav } 1722219974Smav 1723219974Smav /* Round size down to strip or sector. */ 1724219974Smav if (level == G_RAID_VOLUME_RL_RAID1) 1725219974Smav size -= (size % sectorsize); 1726219974Smav else 1727219974Smav size -= (size % strip); 1728219974Smav if (size <= 0) { 1729219974Smav gctl_error(req, "Size too small."); 1730219974Smav return (-13); 1731219974Smav } 1732219974Smav if (size > 0xffffffffllu * sectorsize) { 1733219974Smav gctl_error(req, "Size too big."); 1734219974Smav return (-14); 1735219974Smav } 1736219974Smav 1737219974Smav /* We have all we need, create things: volume, ... */ 1738219974Smav vol = g_raid_create_volume(sc, volname, -1); 1739219974Smav vol->v_md_data = (void *)(intptr_t)i; 1740219974Smav vol->v_raid_level = level; 1741219974Smav vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE; 1742219974Smav vol->v_strip_size = strip; 1743219974Smav vol->v_disks_count = numdisks; 1744219974Smav if (level == G_RAID_VOLUME_RL_RAID0) 1745219974Smav vol->v_mediasize = size * numdisks; 1746219974Smav else if (level == G_RAID_VOLUME_RL_RAID1) 1747219974Smav vol->v_mediasize = size; 1748219974Smav else if (level == G_RAID_VOLUME_RL_RAID5) 1749219974Smav vol->v_mediasize = size * (numdisks - 1); 1750219974Smav else { /* RAID1E */ 1751219974Smav vol->v_mediasize = ((size * numdisks) / strip / 2) * 1752219974Smav strip; 1753219974Smav } 1754219974Smav vol->v_sectorsize = sectorsize; 1755219974Smav g_raid_start_volume(vol); 1756219974Smav 1757219974Smav /* , and subdisks. */ 1758219974Smav for (i = 0; i < numdisks; i++) { 1759219974Smav disk = vol1->v_subdisks[i].sd_disk; 1760219974Smav sd = &vol->v_subdisks[i]; 1761219974Smav sd->sd_disk = disk; 1762219974Smav sd->sd_offset = off; 1763219974Smav sd->sd_size = size; 1764219974Smav TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 1765219974Smav if (disk->d_state == G_RAID_DISK_S_ACTIVE) { 1766219974Smav g_raid_change_subdisk_state(sd, 1767219974Smav G_RAID_SUBDISK_S_ACTIVE); 1768219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 1769219974Smav G_RAID_EVENT_SUBDISK); 1770219974Smav } 1771219974Smav } 1772219974Smav 1773219974Smav /* Write metadata based on created entities. */ 1774219974Smav g_raid_md_write_intel(md, NULL, NULL, NULL); 1775219974Smav 1776219974Smav g_raid_event_send(vol, G_RAID_VOLUME_E_START, 1777219974Smav G_RAID_EVENT_VOLUME); 1778219974Smav return (0); 1779219974Smav } 1780219974Smav if (strcmp(verb, "delete") == 0) { 1781219974Smav 1782219974Smav /* Full node destruction. */ 1783219974Smav if (*nargs == 1) { 1784219974Smav /* Check if some volume is still open. */ 1785219974Smav force = gctl_get_paraml(req, "force", sizeof(*force)); 1786219974Smav if (force != NULL && *force == 0 && 1787219974Smav g_raid_nopens(sc) != 0) { 1788219974Smav gctl_error(req, "Some volume is still open."); 1789219974Smav return (-4); 1790219974Smav } 1791219974Smav 1792219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1793219974Smav if (disk->d_consumer) 1794219974Smav intel_meta_erase(disk->d_consumer); 1795219974Smav } 1796219974Smav g_raid_destroy_node(sc, 0); 1797219974Smav return (0); 1798219974Smav } 1799219974Smav 1800219974Smav /* Destroy specified volume. If it was last - all node. */ 1801219974Smav if (*nargs != 2) { 1802219974Smav gctl_error(req, "Invalid number of arguments."); 1803219974Smav return (-1); 1804219974Smav } 1805219974Smav volname = gctl_get_asciiparam(req, "arg1"); 1806219974Smav if (volname == NULL) { 1807219974Smav gctl_error(req, "No volume name."); 1808219974Smav return (-2); 1809219974Smav } 1810219974Smav 1811219974Smav /* Search for volume. */ 1812219974Smav TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 1813219974Smav if (strcmp(vol->v_name, volname) == 0) 1814219974Smav break; 1815219974Smav } 1816219974Smav if (vol == NULL) { 1817219974Smav i = strtol(volname, &tmp, 10); 1818219974Smav if (verb != volname && tmp[0] == 0) { 1819219974Smav TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 1820219974Smav if (vol->v_global_id == i) 1821219974Smav break; 1822219974Smav } 1823219974Smav } 1824219974Smav } 1825219974Smav if (vol == NULL) { 1826219974Smav gctl_error(req, "Volume '%s' not found.", volname); 1827219974Smav return (-3); 1828219974Smav } 1829219974Smav 1830219974Smav /* Check if volume is still open. */ 1831219974Smav force = gctl_get_paraml(req, "force", sizeof(*force)); 1832219974Smav if (force != NULL && *force == 0 && 1833219974Smav vol->v_provider_open != 0) { 1834219974Smav gctl_error(req, "Volume is still open."); 1835219974Smav return (-4); 1836219974Smav } 1837219974Smav 1838219974Smav /* Destroy volume and potentially node. */ 1839219974Smav i = 0; 1840219974Smav TAILQ_FOREACH(vol1, &sc->sc_volumes, v_next) 1841219974Smav i++; 1842219974Smav if (i >= 2) { 1843219974Smav g_raid_destroy_volume(vol); 1844219974Smav g_raid_md_write_intel(md, NULL, NULL, NULL); 1845219974Smav } else { 1846219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1847219974Smav if (disk->d_consumer) 1848219974Smav intel_meta_erase(disk->d_consumer); 1849219974Smav } 1850219974Smav g_raid_destroy_node(sc, 0); 1851219974Smav } 1852219974Smav return (0); 1853219974Smav } 1854219974Smav if (strcmp(verb, "remove") == 0 || 1855219974Smav strcmp(verb, "fail") == 0) { 1856219974Smav if (*nargs < 2) { 1857219974Smav gctl_error(req, "Invalid number of arguments."); 1858219974Smav return (-1); 1859219974Smav } 1860219974Smav for (i = 1; i < *nargs; i++) { 1861219974Smav snprintf(arg, sizeof(arg), "arg%d", i); 1862219974Smav diskname = gctl_get_asciiparam(req, arg); 1863219974Smav if (diskname == NULL) { 1864219974Smav gctl_error(req, "No disk name (%s).", arg); 1865219974Smav error = -2; 1866219974Smav break; 1867219974Smav } 1868219974Smav if (strncmp(diskname, "/dev/", 5) == 0) 1869219974Smav diskname += 5; 1870219974Smav 1871219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1872219974Smav if (disk->d_consumer != NULL && 1873219974Smav disk->d_consumer->provider != NULL && 1874219974Smav strcmp(disk->d_consumer->provider->name, 1875219974Smav diskname) == 0) 1876219974Smav break; 1877219974Smav } 1878219974Smav if (disk == NULL) { 1879219974Smav gctl_error(req, "Disk '%s' not found.", 1880219974Smav diskname); 1881219974Smav error = -3; 1882219974Smav break; 1883219974Smav } 1884219974Smav 1885219974Smav if (strcmp(verb, "fail") == 0) { 1886219974Smav g_raid_md_fail_disk_intel(md, NULL, disk); 1887219974Smav continue; 1888219974Smav } 1889219974Smav 1890219974Smav pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 1891219974Smav 1892219974Smav /* Erase metadata on deleting disk. */ 1893219974Smav intel_meta_erase(disk->d_consumer); 1894219974Smav 1895219974Smav /* If disk was assigned, just update statuses. */ 1896219974Smav if (pd->pd_disk_pos >= 0) { 1897219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 1898220209Smav g_raid_kill_consumer(sc, disk->d_consumer); 1899220209Smav disk->d_consumer = NULL; 1900219974Smav TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 1901219974Smav g_raid_change_subdisk_state(sd, 1902219974Smav G_RAID_SUBDISK_S_NONE); 1903219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED, 1904219974Smav G_RAID_EVENT_SUBDISK); 1905219974Smav } 1906219974Smav } else { 1907219974Smav /* Otherwise -- delete. */ 1908219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE); 1909219974Smav g_raid_destroy_disk(disk); 1910219974Smav } 1911219974Smav } 1912219974Smav 1913219974Smav /* Write updated metadata to remaining disks. */ 1914219974Smav g_raid_md_write_intel(md, NULL, NULL, NULL); 1915219974Smav 1916219974Smav /* Check if anything left except placeholders. */ 1917219974Smav if (g_raid_ndisks(sc, -1) == 1918219974Smav g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 1919219974Smav g_raid_destroy_node(sc, 0); 1920219974Smav else 1921219974Smav g_raid_md_intel_refill(sc); 1922219974Smav return (error); 1923219974Smav } 1924219974Smav if (strcmp(verb, "insert") == 0) { 1925219974Smav if (*nargs < 2) { 1926219974Smav gctl_error(req, "Invalid number of arguments."); 1927219974Smav return (-1); 1928219974Smav } 1929219974Smav update = 0; 1930219974Smav for (i = 1; i < *nargs; i++) { 1931219974Smav /* Get disk name. */ 1932219974Smav snprintf(arg, sizeof(arg), "arg%d", i); 1933219974Smav diskname = gctl_get_asciiparam(req, arg); 1934219974Smav if (diskname == NULL) { 1935219974Smav gctl_error(req, "No disk name (%s).", arg); 1936219974Smav error = -3; 1937219974Smav break; 1938219974Smav } 1939219974Smav 1940219974Smav /* Try to find provider with specified name. */ 1941219974Smav g_topology_lock(); 1942219974Smav cp = g_raid_open_consumer(sc, diskname); 1943219974Smav if (cp == NULL) { 1944219974Smav gctl_error(req, "Can't open disk '%s'.", 1945219974Smav diskname); 1946219974Smav g_topology_unlock(); 1947219974Smav error = -4; 1948219974Smav break; 1949219974Smav } 1950219974Smav pp = cp->provider; 1951219974Smav g_topology_unlock(); 1952219974Smav 1953229301Smav if (pp->mediasize / pp->sectorsize > UINT32_MAX) { 1954229301Smav gctl_error(req, 1955229301Smav "Disk '%s' is too big.", diskname); 1956229301Smav g_raid_kill_consumer(sc, cp); 1957229301Smav error = -8; 1958229301Smav break; 1959229301Smav } 1960229301Smav 1961219974Smav /* Read disk serial. */ 1962219974Smav error = g_raid_md_get_label(cp, 1963219974Smav &serial[0], INTEL_SERIAL_LEN); 1964219974Smav if (error != 0) { 1965219974Smav gctl_error(req, 1966219974Smav "Can't get serial for provider '%s'.", 1967219974Smav diskname); 1968219974Smav g_raid_kill_consumer(sc, cp); 1969219974Smav error = -7; 1970219974Smav break; 1971219974Smav } 1972219974Smav 1973219974Smav pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO); 1974219974Smav pd->pd_disk_pos = -1; 1975219974Smav 1976219974Smav disk = g_raid_create_disk(sc); 1977219974Smav disk->d_consumer = cp; 1978219974Smav disk->d_md_data = (void *)pd; 1979219974Smav cp->private = disk; 1980219974Smav 1981219974Smav /* Read kernel dumping information. */ 1982219974Smav disk->d_kd.offset = 0; 1983219974Smav disk->d_kd.length = OFF_MAX; 1984219974Smav len = sizeof(disk->d_kd); 1985219974Smav g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd); 1986219974Smav if (disk->d_kd.di.dumper == NULL) 1987219974Smav G_RAID_DEBUG1(2, sc, 1988219974Smav "Dumping not supported by %s.", 1989219974Smav cp->provider->name); 1990219974Smav 1991219974Smav memcpy(&pd->pd_disk_meta.serial[0], &serial[0], 1992219974Smav INTEL_SERIAL_LEN); 1993219974Smav pd->pd_disk_meta.sectors = pp->mediasize / pp->sectorsize; 1994219974Smav pd->pd_disk_meta.id = 0; 1995219974Smav pd->pd_disk_meta.flags = INTEL_F_SPARE; 1996219974Smav 1997219974Smav /* Welcome the "new" disk. */ 1998219974Smav update += g_raid_md_intel_start_disk(disk); 1999219974Smav if (disk->d_state == G_RAID_DISK_S_SPARE) { 2000219974Smav intel_meta_write_spare(cp, &pd->pd_disk_meta); 2001219974Smav g_raid_destroy_disk(disk); 2002219974Smav } else if (disk->d_state != G_RAID_DISK_S_ACTIVE) { 2003219974Smav gctl_error(req, "Disk '%s' doesn't fit.", 2004219974Smav diskname); 2005219974Smav g_raid_destroy_disk(disk); 2006219974Smav error = -8; 2007219974Smav break; 2008219974Smav } 2009219974Smav } 2010219974Smav 2011219974Smav /* Write new metadata if we changed something. */ 2012219974Smav if (update) 2013219974Smav g_raid_md_write_intel(md, NULL, NULL, NULL); 2014219974Smav return (error); 2015219974Smav } 2016219974Smav return (-100); 2017219974Smav} 2018219974Smav 2019219974Smavstatic int 2020219974Smavg_raid_md_write_intel(struct g_raid_md_object *md, struct g_raid_volume *tvol, 2021219974Smav struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) 2022219974Smav{ 2023219974Smav struct g_raid_softc *sc; 2024219974Smav struct g_raid_volume *vol; 2025219974Smav struct g_raid_subdisk *sd; 2026219974Smav struct g_raid_disk *disk; 2027219974Smav struct g_raid_md_intel_object *mdi; 2028219974Smav struct g_raid_md_intel_perdisk *pd; 2029219974Smav struct intel_raid_conf *meta; 2030219974Smav struct intel_raid_vol *mvol; 2031219974Smav struct intel_raid_map *mmap0, *mmap1; 2032219974Smav off_t sectorsize = 512, pos; 2033219974Smav const char *version, *cv; 2034219974Smav int vi, sdi, numdisks, len, state, stale; 2035219974Smav 2036219974Smav sc = md->mdo_softc; 2037219974Smav mdi = (struct g_raid_md_intel_object *)md; 2038219974Smav 2039219974Smav if (sc->sc_stopping == G_RAID_DESTROY_HARD) 2040219974Smav return (0); 2041219974Smav 2042219974Smav /* Bump generation. Newly written metadata may differ from previous. */ 2043219974Smav mdi->mdio_generation++; 2044219974Smav 2045219974Smav /* Count number of disks. */ 2046219974Smav numdisks = 0; 2047219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2048219974Smav pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 2049219974Smav if (pd->pd_disk_pos < 0) 2050219974Smav continue; 2051219974Smav numdisks++; 2052219974Smav if (disk->d_state == G_RAID_DISK_S_ACTIVE) { 2053219974Smav pd->pd_disk_meta.flags = 2054219974Smav INTEL_F_ONLINE | INTEL_F_ASSIGNED; 2055219974Smav } else if (disk->d_state == G_RAID_DISK_S_FAILED) { 2056219974Smav pd->pd_disk_meta.flags = INTEL_F_FAILED | INTEL_F_ASSIGNED; 2057219974Smav } else { 2058219974Smav pd->pd_disk_meta.flags = INTEL_F_ASSIGNED; 2059219974Smav if (pd->pd_disk_meta.id != 0xffffffff) { 2060219974Smav pd->pd_disk_meta.id = 0xffffffff; 2061219974Smav len = strlen(pd->pd_disk_meta.serial); 2062219974Smav len = min(len, INTEL_SERIAL_LEN - 3); 2063219974Smav strcpy(pd->pd_disk_meta.serial + len, ":0"); 2064219974Smav } 2065219974Smav } 2066219974Smav } 2067219974Smav 2068219974Smav /* Fill anchor and disks. */ 2069219974Smav meta = malloc(INTEL_MAX_MD_SIZE(numdisks), 2070219974Smav M_MD_INTEL, M_WAITOK | M_ZERO); 2071220209Smav memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1); 2072219974Smav meta->config_size = INTEL_MAX_MD_SIZE(numdisks); 2073219974Smav meta->config_id = mdi->mdio_config_id; 2074219974Smav meta->generation = mdi->mdio_generation; 2075219974Smav meta->attributes = INTEL_ATTR_CHECKSUM; 2076219974Smav meta->total_disks = numdisks; 2077219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2078219974Smav pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 2079219974Smav if (pd->pd_disk_pos < 0) 2080219974Smav continue; 2081219974Smav meta->disk[pd->pd_disk_pos] = pd->pd_disk_meta; 2082219974Smav } 2083219974Smav 2084219974Smav /* Fill volumes and maps. */ 2085219974Smav vi = 0; 2086219974Smav version = INTEL_VERSION_1000; 2087219974Smav TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 2088219974Smav if (vol->v_stopping) 2089219974Smav continue; 2090219974Smav mvol = intel_get_volume(meta, vi); 2091219974Smav 2092219974Smav /* New metadata may have different volumes order. */ 2093219974Smav vol->v_md_data = (void *)(intptr_t)vi; 2094219974Smav 2095219974Smav for (sdi = 0; sdi < vol->v_disks_count; sdi++) { 2096219974Smav sd = &vol->v_subdisks[sdi]; 2097219974Smav if (sd->sd_disk != NULL) 2098219974Smav break; 2099219974Smav } 2100219974Smav if (sdi >= vol->v_disks_count) 2101219974Smav panic("No any filled subdisk in volume"); 2102219974Smav if (vol->v_mediasize >= 0x20000000000llu) 2103219974Smav meta->attributes |= INTEL_ATTR_2TB; 2104219974Smav if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0) 2105219974Smav meta->attributes |= INTEL_ATTR_RAID0; 2106219974Smav else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1) 2107219974Smav meta->attributes |= INTEL_ATTR_RAID1; 2108219974Smav else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5) 2109219974Smav meta->attributes |= INTEL_ATTR_RAID5; 2110219974Smav else 2111219974Smav meta->attributes |= INTEL_ATTR_RAID10; 2112219974Smav 2113219974Smav if (meta->attributes & INTEL_ATTR_2TB) 2114219974Smav cv = INTEL_VERSION_1300; 2115219974Smav// else if (dev->status == DEV_CLONE_N_GO) 2116219974Smav// cv = INTEL_VERSION_1206; 2117219974Smav else if (vol->v_disks_count > 4) 2118219974Smav cv = INTEL_VERSION_1204; 2119219974Smav else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5) 2120219974Smav cv = INTEL_VERSION_1202; 2121219974Smav else if (vol->v_disks_count > 2) 2122219974Smav cv = INTEL_VERSION_1201; 2123219974Smav else if (vi > 0) 2124219974Smav cv = INTEL_VERSION_1200; 2125219974Smav else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1) 2126219974Smav cv = INTEL_VERSION_1100; 2127219974Smav else 2128219974Smav cv = INTEL_VERSION_1000; 2129219974Smav if (strcmp(cv, version) > 0) 2130219974Smav version = cv; 2131219974Smav 2132219974Smav strlcpy(&mvol->name[0], vol->v_name, sizeof(mvol->name)); 2133219974Smav mvol->total_sectors = vol->v_mediasize / sectorsize; 2134219974Smav 2135219974Smav /* Check for any recovery in progress. */ 2136219974Smav state = G_RAID_SUBDISK_S_ACTIVE; 2137219974Smav pos = 0x7fffffffffffffffllu; 2138219974Smav stale = 0; 2139219974Smav for (sdi = 0; sdi < vol->v_disks_count; sdi++) { 2140219974Smav sd = &vol->v_subdisks[sdi]; 2141219974Smav if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD) 2142219974Smav state = G_RAID_SUBDISK_S_REBUILD; 2143219974Smav else if (sd->sd_state == G_RAID_SUBDISK_S_RESYNC && 2144219974Smav state != G_RAID_SUBDISK_S_REBUILD) 2145219974Smav state = G_RAID_SUBDISK_S_RESYNC; 2146219974Smav else if (sd->sd_state == G_RAID_SUBDISK_S_STALE) 2147219974Smav stale = 1; 2148219974Smav if ((sd->sd_state == G_RAID_SUBDISK_S_REBUILD || 2149219974Smav sd->sd_state == G_RAID_SUBDISK_S_RESYNC) && 2150219974Smav sd->sd_rebuild_pos < pos) 2151219974Smav pos = sd->sd_rebuild_pos; 2152219974Smav } 2153219974Smav if (state == G_RAID_SUBDISK_S_REBUILD) { 2154219974Smav mvol->migr_state = 1; 2155219974Smav mvol->migr_type = INTEL_MT_REBUILD; 2156219974Smav } else if (state == G_RAID_SUBDISK_S_RESYNC) { 2157219974Smav mvol->migr_state = 1; 2158219974Smav /* mvol->migr_type = INTEL_MT_REPAIR; */ 2159219974Smav mvol->migr_type = INTEL_MT_VERIFY; 2160219974Smav mvol->state |= INTEL_ST_VERIFY_AND_FIX; 2161219974Smav } else 2162219974Smav mvol->migr_state = 0; 2163219974Smav mvol->dirty = (vol->v_dirty || stale); 2164219974Smav 2165219974Smav mmap0 = intel_get_map(mvol, 0); 2166219974Smav 2167219974Smav /* Write map / common part of two maps. */ 2168219974Smav mmap0->offset = sd->sd_offset / sectorsize; 2169219974Smav mmap0->disk_sectors = sd->sd_size / sectorsize; 2170219974Smav mmap0->strip_sectors = vol->v_strip_size / sectorsize; 2171219974Smav if (vol->v_state == G_RAID_VOLUME_S_BROKEN) 2172219974Smav mmap0->status = INTEL_S_FAILURE; 2173219974Smav else if (vol->v_state == G_RAID_VOLUME_S_DEGRADED) 2174219974Smav mmap0->status = INTEL_S_DEGRADED; 2175219974Smav else 2176219974Smav mmap0->status = INTEL_S_READY; 2177219974Smav if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0) 2178219974Smav mmap0->type = INTEL_T_RAID0; 2179219974Smav else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 || 2180219974Smav vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) 2181219974Smav mmap0->type = INTEL_T_RAID1; 2182219974Smav else 2183219974Smav mmap0->type = INTEL_T_RAID5; 2184219974Smav mmap0->total_disks = vol->v_disks_count; 2185219974Smav if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1) 2186219974Smav mmap0->total_domains = vol->v_disks_count; 2187219974Smav else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) 2188219974Smav mmap0->total_domains = 2; 2189219974Smav else 2190219974Smav mmap0->total_domains = 1; 2191219974Smav mmap0->stripe_count = sd->sd_size / vol->v_strip_size / 2192219974Smav mmap0->total_domains; 2193219974Smav mmap0->failed_disk_num = 0xff; 2194219974Smav mmap0->ddf = 1; 2195219974Smav 2196219974Smav /* If there are two maps - copy common and update. */ 2197219974Smav if (mvol->migr_state) { 2198219974Smav mvol->curr_migr_unit = pos / 2199219974Smav vol->v_strip_size / mmap0->total_domains; 2200219974Smav mmap1 = intel_get_map(mvol, 1); 2201219974Smav memcpy(mmap1, mmap0, sizeof(struct intel_raid_map)); 2202219974Smav mmap0->status = INTEL_S_READY; 2203219974Smav } else 2204219974Smav mmap1 = NULL; 2205219974Smav 2206219974Smav /* Write disk indexes and put rebuild flags. */ 2207219974Smav for (sdi = 0; sdi < vol->v_disks_count; sdi++) { 2208219974Smav sd = &vol->v_subdisks[sdi]; 2209219974Smav pd = (struct g_raid_md_intel_perdisk *) 2210219974Smav sd->sd_disk->d_md_data; 2211219974Smav mmap0->disk_idx[sdi] = pd->pd_disk_pos; 2212219974Smav if (mvol->migr_state) 2213219974Smav mmap1->disk_idx[sdi] = pd->pd_disk_pos; 2214219974Smav if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD || 2215219974Smav sd->sd_state == G_RAID_SUBDISK_S_RESYNC) { 2216219974Smav mmap1->disk_idx[sdi] |= INTEL_DI_RBLD; 2217219974Smav } else if (sd->sd_state != G_RAID_SUBDISK_S_ACTIVE && 2218219974Smav sd->sd_state != G_RAID_SUBDISK_S_STALE) { 2219219974Smav mmap0->disk_idx[sdi] |= INTEL_DI_RBLD; 2220219974Smav if (mvol->migr_state) 2221219974Smav mmap1->disk_idx[sdi] |= INTEL_DI_RBLD; 2222219974Smav } 2223219974Smav if ((sd->sd_state == G_RAID_SUBDISK_S_NONE || 2224219974Smav sd->sd_state == G_RAID_SUBDISK_S_FAILED) && 2225219974Smav mmap0->failed_disk_num == 0xff) { 2226219974Smav mmap0->failed_disk_num = sdi; 2227219974Smav if (mvol->migr_state) 2228219974Smav mmap1->failed_disk_num = sdi; 2229219974Smav } 2230219974Smav } 2231219974Smav vi++; 2232219974Smav } 2233219974Smav meta->total_volumes = vi; 2234219974Smav if (strcmp(version, INTEL_VERSION_1300) != 0) 2235219974Smav meta->attributes &= INTEL_ATTR_CHECKSUM; 2236220209Smav memcpy(&meta->version[0], version, sizeof(INTEL_VERSION_1000) - 1); 2237219974Smav 2238219974Smav /* We are done. Print meta data and store them to disks. */ 2239219974Smav g_raid_md_intel_print(meta); 2240219974Smav if (mdi->mdio_meta != NULL) 2241219974Smav free(mdi->mdio_meta, M_MD_INTEL); 2242219974Smav mdi->mdio_meta = meta; 2243219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2244219974Smav pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 2245219974Smav if (disk->d_state != G_RAID_DISK_S_ACTIVE) 2246219974Smav continue; 2247219974Smav if (pd->pd_meta != NULL) { 2248219974Smav free(pd->pd_meta, M_MD_INTEL); 2249219974Smav pd->pd_meta = NULL; 2250219974Smav } 2251219974Smav pd->pd_meta = intel_meta_copy(meta); 2252219974Smav intel_meta_write(disk->d_consumer, meta); 2253219974Smav } 2254219974Smav return (0); 2255219974Smav} 2256219974Smav 2257219974Smavstatic int 2258219974Smavg_raid_md_fail_disk_intel(struct g_raid_md_object *md, 2259219974Smav struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) 2260219974Smav{ 2261219974Smav struct g_raid_softc *sc; 2262219974Smav struct g_raid_md_intel_object *mdi; 2263219974Smav struct g_raid_md_intel_perdisk *pd; 2264219974Smav struct g_raid_subdisk *sd; 2265219974Smav 2266219974Smav sc = md->mdo_softc; 2267219974Smav mdi = (struct g_raid_md_intel_object *)md; 2268219974Smav pd = (struct g_raid_md_intel_perdisk *)tdisk->d_md_data; 2269219974Smav 2270219974Smav /* We can't fail disk that is not a part of array now. */ 2271219974Smav if (pd->pd_disk_pos < 0) 2272219974Smav return (-1); 2273219974Smav 2274219974Smav /* 2275219974Smav * Mark disk as failed in metadata and try to write that metadata 2276219974Smav * to the disk itself to prevent it's later resurrection as STALE. 2277219974Smav */ 2278219974Smav mdi->mdio_meta->disk[pd->pd_disk_pos].flags = INTEL_F_FAILED; 2279219974Smav pd->pd_disk_meta.flags = INTEL_F_FAILED; 2280219974Smav g_raid_md_intel_print(mdi->mdio_meta); 2281219974Smav if (tdisk->d_consumer) 2282219974Smav intel_meta_write(tdisk->d_consumer, mdi->mdio_meta); 2283219974Smav 2284219974Smav /* Change states. */ 2285219974Smav g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED); 2286219974Smav TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) { 2287219974Smav g_raid_change_subdisk_state(sd, 2288219974Smav G_RAID_SUBDISK_S_FAILED); 2289219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED, 2290219974Smav G_RAID_EVENT_SUBDISK); 2291219974Smav } 2292219974Smav 2293219974Smav /* Write updated metadata to remaining disks. */ 2294219974Smav g_raid_md_write_intel(md, NULL, NULL, tdisk); 2295219974Smav 2296219974Smav /* Check if anything left except placeholders. */ 2297219974Smav if (g_raid_ndisks(sc, -1) == 2298219974Smav g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 2299219974Smav g_raid_destroy_node(sc, 0); 2300219974Smav else 2301219974Smav g_raid_md_intel_refill(sc); 2302219974Smav return (0); 2303219974Smav} 2304219974Smav 2305219974Smavstatic int 2306219974Smavg_raid_md_free_disk_intel(struct g_raid_md_object *md, 2307219974Smav struct g_raid_disk *disk) 2308219974Smav{ 2309219974Smav struct g_raid_md_intel_perdisk *pd; 2310219974Smav 2311219974Smav pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 2312219974Smav if (pd->pd_meta != NULL) { 2313219974Smav free(pd->pd_meta, M_MD_INTEL); 2314219974Smav pd->pd_meta = NULL; 2315219974Smav } 2316219974Smav free(pd, M_MD_INTEL); 2317219974Smav disk->d_md_data = NULL; 2318219974Smav return (0); 2319219974Smav} 2320219974Smav 2321219974Smavstatic int 2322219974Smavg_raid_md_free_intel(struct g_raid_md_object *md) 2323219974Smav{ 2324219974Smav struct g_raid_md_intel_object *mdi; 2325219974Smav 2326219974Smav mdi = (struct g_raid_md_intel_object *)md; 2327219974Smav if (!mdi->mdio_started) { 2328219974Smav mdi->mdio_started = 0; 2329219974Smav callout_stop(&mdi->mdio_start_co); 2330219974Smav G_RAID_DEBUG1(1, md->mdo_softc, 2331219974Smav "root_mount_rel %p", mdi->mdio_rootmount); 2332219974Smav root_mount_rel(mdi->mdio_rootmount); 2333219974Smav mdi->mdio_rootmount = NULL; 2334219974Smav } 2335219974Smav if (mdi->mdio_meta != NULL) { 2336219974Smav free(mdi->mdio_meta, M_MD_INTEL); 2337219974Smav mdi->mdio_meta = NULL; 2338219974Smav } 2339219974Smav return (0); 2340219974Smav} 2341219974Smav 2342219974SmavG_RAID_MD_DECLARE(g_raid_md_intel); 2343