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- /*-
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org>
- * Copyright (c) 2000 - 2008 Søren Schmidt <sos@FreeBSD.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- #include <sys/param.h>
- #include <sys/bio.h>
- #include <sys/endian.h>
- #include <sys/kernel.h>
- #include <sys/kobj.h>
- #include <sys/limits.h>
- #include <sys/lock.h>
- #include <sys/malloc.h>
- #include <sys/mutex.h>
- #include <sys/systm.h>
- #include <sys/taskqueue.h>
- #include <sys/disk.h>
- #include <geom/geom.h>
- #include <geom/geom_dbg.h>
- #include "geom/raid/g_raid.h"
- #include "g_raid_md_if.h"
- static MALLOC_DEFINE(M_MD_INTEL, "md_intel_data", "GEOM_RAID Intel metadata");
- struct intel_raid_map {
- uint32_t offset;
- uint32_t disk_sectors;
- uint32_t stripe_count;
- uint16_t strip_sectors;
- uint8_t status;
- #define INTEL_S_READY 0x00
- #define INTEL_S_UNINITIALIZED 0x01
- #define INTEL_S_DEGRADED 0x02
- #define INTEL_S_FAILURE 0x03
- uint8_t type;
- #define INTEL_T_RAID0 0x00
- #define INTEL_T_RAID1 0x01
- #define INTEL_T_RAID5 0x05
- uint8_t total_disks;
- uint8_t total_domains;
- uint8_t failed_disk_num;
- uint8_t ddf;
- uint32_t offset_hi;
- uint32_t disk_sectors_hi;
- uint32_t stripe_count_hi;
- uint32_t filler_2[4];
- uint32_t disk_idx[1]; /* total_disks entries. */
- #define INTEL_DI_IDX 0x00ffffff
- #define INTEL_DI_RBLD 0x01000000
- } __packed;
- struct intel_raid_vol {
- uint8_t name[16];
- uint64_t total_sectors __packed;
- uint32_t state;
- #define INTEL_ST_BOOTABLE 0x00000001
- #define INTEL_ST_BOOT_DEVICE 0x00000002
- #define INTEL_ST_READ_COALESCING 0x00000004
- #define INTEL_ST_WRITE_COALESCING 0x00000008
- #define INTEL_ST_LAST_SHUTDOWN_DIRTY 0x00000010
- #define INTEL_ST_HIDDEN_AT_BOOT 0x00000020
- #define INTEL_ST_CURRENTLY_HIDDEN 0x00000040
- #define INTEL_ST_VERIFY_AND_FIX 0x00000080
- #define INTEL_ST_MAP_STATE_UNINIT 0x00000100
- #define INTEL_ST_NO_AUTO_RECOVERY 0x00000200
- #define INTEL_ST_CLONE_N_GO 0x00000400
- #define INTEL_ST_CLONE_MAN_SYNC 0x00000800
- #define INTEL_ST_CNG_MASTER_DISK_NUM 0x00001000
- uint32_t reserved;
- uint8_t migr_priority;
- uint8_t num_sub_vols;
- uint8_t tid;
- uint8_t cng_master_disk;
- uint16_t cache_policy;
- uint8_t cng_state;
- #define INTEL_CNGST_UPDATED 0
- #define INTEL_CNGST_NEEDS_UPDATE 1
- #define INTEL_CNGST_MASTER_MISSING 2
- uint8_t cng_sub_state;
- uint32_t filler_0[10];
- uint32_t curr_migr_unit;
- uint32_t checkpoint_id;
- uint8_t migr_state;
- uint8_t migr_type;
- #define INTEL_MT_INIT 0
- #define INTEL_MT_REBUILD 1
- #define INTEL_MT_VERIFY 2
- #define INTEL_MT_GEN_MIGR 3
- #define INTEL_MT_STATE_CHANGE 4
- #define INTEL_MT_REPAIR 5
- uint8_t dirty;
- uint8_t fs_state;
- uint16_t verify_errors;
- uint16_t bad_blocks;
- uint32_t curr_migr_unit_hi;
- uint32_t filler_1[3];
- struct intel_raid_map map[1]; /* 2 entries if migr_state != 0. */
- } __packed;
- struct intel_raid_disk {
- #define INTEL_SERIAL_LEN 16
- uint8_t serial[INTEL_SERIAL_LEN];
- uint32_t sectors;
- uint32_t id;
- uint32_t flags;
- #define INTEL_F_SPARE 0x01
- #define INTEL_F_ASSIGNED 0x02
- #define INTEL_F_FAILED 0x04
- #define INTEL_F_ONLINE 0x08
- #define INTEL_F_DISABLED 0x80
- uint32_t owner_cfg_num;
- uint32_t sectors_hi;
- uint32_t filler[3];
- } __packed;
- struct intel_raid_conf {
- uint8_t intel_id[24];
- #define INTEL_MAGIC "Intel Raid ISM Cfg Sig. "
- uint8_t version[6];
- #define INTEL_VERSION_1000 "1.0.00" /* RAID0 */
- #define INTEL_VERSION_1100 "1.1.00" /* RAID1 */
- #define INTEL_VERSION_1200 "1.2.00" /* Many volumes */
- #define INTEL_VERSION_1201 "1.2.01" /* 3 or 4 disks */
- #define INTEL_VERSION_1202 "1.2.02" /* RAID5 */
- #define INTEL_VERSION_1204 "1.2.04" /* 5 or 6 disks */
- #define INTEL_VERSION_1206 "1.2.06" /* CNG */
- #define INTEL_VERSION_1300 "1.3.00" /* Attributes */
- uint8_t dummy_0[2];
- uint32_t checksum;
- uint32_t config_size;
- uint32_t config_id;
- uint32_t generation;
- uint32_t error_log_size;
- uint32_t attributes;
- #define INTEL_ATTR_RAID0 0x00000001
- #define INTEL_ATTR_RAID1 0x00000002
- #define INTEL_ATTR_RAID10 0x00000004
- #define INTEL_ATTR_RAID1E 0x00000008
- #define INTEL_ATTR_RAID5 0x00000010
- #define INTEL_ATTR_RAIDCNG 0x00000020
- #define INTEL_ATTR_EXT_STRIP 0x00000040
- #define INTEL_ATTR_NVM_CACHE 0x02000000
- #define INTEL_ATTR_2TB_DISK 0x04000000
- #define INTEL_ATTR_BBM 0x08000000
- #define INTEL_ATTR_NVM_CACHE2 0x10000000
- #define INTEL_ATTR_2TB 0x20000000
- #define INTEL_ATTR_PM 0x40000000
- #define INTEL_ATTR_CHECKSUM 0x80000000
- uint8_t total_disks;
- uint8_t total_volumes;
- uint8_t error_log_pos;
- uint8_t dummy_2[1];
- uint32_t cache_size;
- uint32_t orig_config_id;
- uint32_t pwr_cycle_count;
- uint32_t bbm_log_size;
- uint32_t filler_0[35];
- struct intel_raid_disk disk[1]; /* total_disks entries. */
- /* Here goes total_volumes of struct intel_raid_vol. */
- } __packed;
- #define INTEL_ATTR_SUPPORTED ( INTEL_ATTR_RAID0 | INTEL_ATTR_RAID1 | \
- INTEL_ATTR_RAID10 | INTEL_ATTR_RAID1E | INTEL_ATTR_RAID5 | \
- INTEL_ATTR_RAIDCNG | INTEL_ATTR_EXT_STRIP | INTEL_ATTR_2TB_DISK | \
- INTEL_ATTR_2TB | INTEL_ATTR_PM | INTEL_ATTR_CHECKSUM )
- #define INTEL_MAX_MD_SIZE(ndisks) \
- (sizeof(struct intel_raid_conf) + \
- sizeof(struct intel_raid_disk) * (ndisks - 1) + \
- sizeof(struct intel_raid_vol) * 2 + \
- sizeof(struct intel_raid_map) * 2 + \
- sizeof(uint32_t) * (ndisks - 1) * 4)
- struct g_raid_md_intel_perdisk {
- struct intel_raid_conf *pd_meta;
- int pd_disk_pos;
- struct intel_raid_disk pd_disk_meta;
- };
- struct g_raid_md_intel_pervolume {
- int pv_volume_pos;
- int pv_cng;
- int pv_cng_man_sync;
- int pv_cng_master_disk;
- };
- struct g_raid_md_intel_object {
- struct g_raid_md_object mdio_base;
- uint32_t mdio_config_id;
- uint32_t mdio_orig_config_id;
- uint32_t mdio_generation;
- struct intel_raid_conf *mdio_meta;
- struct callout mdio_start_co; /* STARTING state timer. */
- int mdio_disks_present;
- int mdio_started;
- int mdio_incomplete;
- struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
- };
- static g_raid_md_create_t g_raid_md_create_intel;
- static g_raid_md_taste_t g_raid_md_taste_intel;
- static g_raid_md_event_t g_raid_md_event_intel;
- static g_raid_md_ctl_t g_raid_md_ctl_intel;
- static g_raid_md_write_t g_raid_md_write_intel;
- static g_raid_md_fail_disk_t g_raid_md_fail_disk_intel;
- static g_raid_md_free_disk_t g_raid_md_free_disk_intel;
- static g_raid_md_free_volume_t g_raid_md_free_volume_intel;
- static g_raid_md_free_t g_raid_md_free_intel;
- static kobj_method_t g_raid_md_intel_methods[] = {
- KOBJMETHOD(g_raid_md_create, g_raid_md_create_intel),
- KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_intel),
- KOBJMETHOD(g_raid_md_event, g_raid_md_event_intel),
- KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_intel),
- KOBJMETHOD(g_raid_md_write, g_raid_md_write_intel),
- KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_intel),
- KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_intel),
- KOBJMETHOD(g_raid_md_free_volume, g_raid_md_free_volume_intel),
- KOBJMETHOD(g_raid_md_free, g_raid_md_free_intel),
- { 0, 0 }
- };
- static struct g_raid_md_class g_raid_md_intel_class = {
- "Intel",
- g_raid_md_intel_methods,
- sizeof(struct g_raid_md_intel_object),
- .mdc_enable = 1,
- .mdc_priority = 100
- };
- static struct intel_raid_map *
- intel_get_map(struct intel_raid_vol *mvol, int i)
- {
- struct intel_raid_map *mmap;
- if (i > (mvol->migr_state ? 1 : 0))
- return (NULL);
- mmap = &mvol->map[0];
- for (; i > 0; i--) {
- mmap = (struct intel_raid_map *)
- &mmap->disk_idx[mmap->total_disks];
- }
- return ((struct intel_raid_map *)mmap);
- }
- static struct intel_raid_vol *
- intel_get_volume(struct intel_raid_conf *meta, int i)
- {
- struct intel_raid_vol *mvol;
- struct intel_raid_map *mmap;
- if (i > 1)
- return (NULL);
- mvol = (struct intel_raid_vol *)&meta->disk[meta->total_disks];
- for (; i > 0; i--) {
- mmap = intel_get_map(mvol, mvol->migr_state ? 1 : 0);
- mvol = (struct intel_raid_vol *)
- &mmap->disk_idx[mmap->total_disks];
- }
- return (mvol);
- }
- static off_t
- intel_get_map_offset(struct intel_raid_map *mmap)
- {
- off_t offset = (off_t)mmap->offset_hi << 32;
- offset += mmap->offset;
- return (offset);
- }
- static void
- intel_set_map_offset(struct intel_raid_map *mmap, off_t offset)
- {
- mmap->offset = offset & 0xffffffff;
- mmap->offset_hi = offset >> 32;
- }
- static off_t
- intel_get_map_disk_sectors(struct intel_raid_map *mmap)
- {
- off_t disk_sectors = (off_t)mmap->disk_sectors_hi << 32;
- disk_sectors += mmap->disk_sectors;
- return (disk_sectors);
- }
- static void
- intel_set_map_disk_sectors(struct intel_raid_map *mmap, off_t disk_sectors)
- {
- mmap->disk_sectors = disk_sectors & 0xffffffff;
- mmap->disk_sectors_hi = disk_sectors >> 32;
- }
- static void
- intel_set_map_stripe_count(struct intel_raid_map *mmap, off_t stripe_count)
- {
- mmap->stripe_count = stripe_count & 0xffffffff;
- mmap->stripe_count_hi = stripe_count >> 32;
- }
- static off_t
- intel_get_disk_sectors(struct intel_raid_disk *disk)
- {
- off_t sectors = (off_t)disk->sectors_hi << 32;
- sectors += disk->sectors;
- return (sectors);
- }
- static void
- intel_set_disk_sectors(struct intel_raid_disk *disk, off_t sectors)
- {
- disk->sectors = sectors & 0xffffffff;
- disk->sectors_hi = sectors >> 32;
- }
- static off_t
- intel_get_vol_curr_migr_unit(struct intel_raid_vol *vol)
- {
- off_t curr_migr_unit = (off_t)vol->curr_migr_unit_hi << 32;
- curr_migr_unit += vol->curr_migr_unit;
- return (curr_migr_unit);
- }
- static void
- intel_set_vol_curr_migr_unit(struct intel_raid_vol *vol, off_t curr_migr_unit)
- {
- vol->curr_migr_unit = curr_migr_unit & 0xffffffff;
- vol->curr_migr_unit_hi = curr_migr_unit >> 32;
- }
- static char *
- intel_status2str(int status)
- {
- switch (status) {
- case INTEL_S_READY:
- return ("READY");
- case INTEL_S_UNINITIALIZED:
- return ("UNINITIALIZED");
- case INTEL_S_DEGRADED:
- return ("DEGRADED");
- case INTEL_S_FAILURE:
- return ("FAILURE");
- default:
- return ("UNKNOWN");
- }
- }
- static char *
- intel_type2str(int type)
- {
- switch (type) {
- case INTEL_T_RAID0:
- return ("RAID0");
- case INTEL_T_RAID1:
- return ("RAID1");
- case INTEL_T_RAID5:
- return ("RAID5");
- default:
- return ("UNKNOWN");
- }
- }
- static char *
- intel_cngst2str(int cng_state)
- {
- switch (cng_state) {
- case INTEL_CNGST_UPDATED:
- return ("UPDATED");
- case INTEL_CNGST_NEEDS_UPDATE:
- return ("NEEDS_UPDATE");
- case INTEL_CNGST_MASTER_MISSING:
- return ("MASTER_MISSING");
- default:
- return ("UNKNOWN");
- }
- }
- static char *
- intel_mt2str(int type)
- {
- switch (type) {
- case INTEL_MT_INIT:
- return ("INIT");
- case INTEL_MT_REBUILD:
- return ("REBUILD");
- case INTEL_MT_VERIFY:
- return ("VERIFY");
- case INTEL_MT_GEN_MIGR:
- return ("GEN_MIGR");
- case INTEL_MT_STATE_CHANGE:
- return ("STATE_CHANGE");
- case INTEL_MT_REPAIR:
- return ("REPAIR");
- default:
- return ("UNKNOWN");
- }
- }
- static void
- g_raid_md_intel_print(struct intel_raid_conf *meta)
- {
- struct intel_raid_vol *mvol;
- struct intel_raid_map *mmap;
- int i, j, k;
- if (g_raid_debug < 1)
- return;
- printf("********* ATA Intel MatrixRAID Metadata *********\n");
- printf("intel_id <%.24s>\n", meta->intel_id);
- printf("version <%.6s>\n", meta->version);
- printf("checksum 0x%08x\n", meta->checksum);
- printf("config_size 0x%08x\n", meta->config_size);
- printf("config_id 0x%08x\n", meta->config_id);
- printf("generation 0x%08x\n", meta->generation);
- printf("error_log_size %d\n", meta->error_log_size);
- printf("attributes 0x%b\n", meta->attributes,
- "\020"
- "\001RAID0"
- "\002RAID1"
- "\003RAID10"
- "\004RAID1E"
- "\005RAID15"
- "\006RAIDCNG"
- "\007EXT_STRIP"
- "\032NVM_CACHE"
- "\0332TB_DISK"
- "\034BBM"
- "\035NVM_CACHE"
- "\0362TB"
- "\037PM"
- "\040CHECKSUM");
- printf("total_disks %u\n", meta->total_disks);
- printf("total_volumes %u\n", meta->total_volumes);
- printf("error_log_pos %u\n", meta->error_log_pos);
- printf("cache_size %u\n", meta->cache_size);
- printf("orig_config_id 0x%08x\n", meta->orig_config_id);
- printf("pwr_cycle_count %u\n", meta->pwr_cycle_count);
- printf("bbm_log_size %u\n", meta->bbm_log_size);
- printf("Flags: S - Spare, A - Assigned, F - Failed, O - Online, D - Disabled\n");
- printf("DISK# serial disk_sectors disk_sectors_hi disk_id flags owner\n");
- for (i = 0; i < meta->total_disks; i++ ) {
- printf(" %d <%.16s> %u %u 0x%08x 0x%b %08x\n", i,
- meta->disk[i].serial, meta->disk[i].sectors,
- meta->disk[i].sectors_hi, meta->disk[i].id,
- meta->disk[i].flags, "\20\01S\02A\03F\04O\05D",
- meta->disk[i].owner_cfg_num);
- }
- for (i = 0; i < meta->total_volumes; i++) {
- mvol = intel_get_volume(meta, i);
- printf(" ****** Volume %d ******\n", i);
- printf(" name %.16s\n", mvol->name);
- printf(" total_sectors %ju\n", mvol->total_sectors);
- printf(" state 0x%b\n", mvol->state,
- "\020"
- "\001BOOTABLE"
- "\002BOOT_DEVICE"
- "\003READ_COALESCING"
- "\004WRITE_COALESCING"
- "\005LAST_SHUTDOWN_DIRTY"
- "\006HIDDEN_AT_BOOT"
- "\007CURRENTLY_HIDDEN"
- "\010VERIFY_AND_FIX"
- "\011MAP_STATE_UNINIT"
- "\012NO_AUTO_RECOVERY"
- "\013CLONE_N_GO"
- "\014CLONE_MAN_SYNC"
- "\015CNG_MASTER_DISK_NUM");
- printf(" reserved %u\n", mvol->reserved);
- printf(" migr_priority %u\n", mvol->migr_priority);
- printf(" num_sub_vols %u\n", mvol->num_sub_vols);
- printf(" tid %u\n", mvol->tid);
- printf(" cng_master_disk %u\n", mvol->cng_master_disk);
- printf(" cache_policy %u\n", mvol->cache_policy);
- printf(" cng_state %u (%s)\n", mvol->cng_state,
- intel_cngst2str(mvol->cng_state));
- printf(" cng_sub_state %u\n", mvol->cng_sub_state);
- printf(" curr_migr_unit %u\n", mvol->curr_migr_unit);
- printf(" curr_migr_unit_hi %u\n", mvol->curr_migr_unit_hi);
- printf(" checkpoint_id %u\n", mvol->checkpoint_id);
- printf(" migr_state %u\n", mvol->migr_state);
- printf(" migr_type %u (%s)\n", mvol->migr_type,
- intel_mt2str(mvol->migr_type));
- printf(" dirty %u\n", mvol->dirty);
- printf(" fs_state %u\n", mvol->fs_state);
- printf(" verify_errors %u\n", mvol->verify_errors);
- printf(" bad_blocks %u\n", mvol->bad_blocks);
- for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) {
- printf(" *** Map %d ***\n", j);
- mmap = intel_get_map(mvol, j);
- printf(" offset %u\n", mmap->offset);
- printf(" offset_hi %u\n", mmap->offset_hi);
- printf(" disk_sectors %u\n", mmap->disk_sectors);
- printf(" disk_sectors_hi %u\n", mmap->disk_sectors_hi);
- printf(" stripe_count %u\n", mmap->stripe_count);
- printf(" stripe_count_hi %u\n", mmap->stripe_count_hi);
- printf(" strip_sectors %u\n", mmap->strip_sectors);
- printf(" status %u (%s)\n", mmap->status,
- intel_status2str(mmap->status));
- printf(" type %u (%s)\n", mmap->type,
- intel_type2str(mmap->type));
- printf(" total_disks %u\n", mmap->total_disks);
- printf(" total_domains %u\n", mmap->total_domains);
- printf(" failed_disk_num %u\n", mmap->failed_disk_num);
- printf(" ddf %u\n", mmap->ddf);
- printf(" disk_idx ");
- for (k = 0; k < mmap->total_disks; k++)
- printf(" 0x%08x", mmap->disk_idx[k]);
- printf("\n");
- }
- }
- printf("=================================================\n");
- }
- static struct intel_raid_conf *
- intel_meta_copy(struct intel_raid_conf *meta)
- {
- struct intel_raid_conf *nmeta;
- nmeta = malloc(meta->config_size, M_MD_INTEL, M_WAITOK);
- memcpy(nmeta, meta, meta->config_size);
- return (nmeta);
- }
- static int
- intel_meta_find_disk(struct intel_raid_conf *meta, char *serial)
- {
- int pos;
- for (pos = 0; pos < meta->total_disks; pos++) {
- if (strncmp(meta->disk[pos].serial,
- serial, INTEL_SERIAL_LEN) == 0)
- return (pos);
- }
- return (-1);
- }
- static struct intel_raid_conf *
- intel_meta_read(struct g_consumer *cp)
- {
- struct g_provider *pp;
- struct intel_raid_conf *meta;
- struct intel_raid_vol *mvol;
- struct intel_raid_map *mmap, *mmap1;
- char *buf;
- int error, i, j, k, left, size;
- uint32_t checksum, *ptr;
- pp = cp->provider;
- if (pp->sectorsize < sizeof(*meta))
- return (NULL);
- /* Read the anchor sector. */
- buf = g_read_data(cp,
- pp->mediasize - pp->sectorsize * 2, pp->sectorsize, &error);
- if (buf == NULL) {
- G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
- pp->name, error);
- return (NULL);
- }
- meta = (struct intel_raid_conf *)buf;
- /* Check if this is an Intel RAID struct */
- if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) {
- G_RAID_DEBUG(1, "Intel signature check failed on %s", pp->name);
- g_free(buf);
- return (NULL);
- }
- if (meta->config_size > 65536 ||
- meta->config_size < sizeof(struct intel_raid_conf)) {
- G_RAID_DEBUG(1, "Intel metadata size looks wrong: %d",
- meta->config_size);
- g_free(buf);
- return (NULL);
- }
- size = meta->config_size;
- meta = malloc(size, M_MD_INTEL, M_WAITOK);
- memcpy(meta, buf, min(size, pp->sectorsize));
- g_free(buf);
- /* Read all the rest, if needed. */
- if (meta->config_size > pp->sectorsize) {
- left = (meta->config_size - 1) / pp->sectorsize;
- buf = g_read_data(cp,
- pp->mediasize - pp->sectorsize * (2 + left),
- pp->sectorsize * left, &error);
- if (buf == NULL) {
- G_RAID_DEBUG(1, "Cannot read remaining metadata"
- " part from %s (error=%d).",
- pp->name, error);
- free(meta, M_MD_INTEL);
- return (NULL);
- }
- memcpy(((char *)meta) + pp->sectorsize, buf,
- pp->sectorsize * left);
- g_free(buf);
- }
- /* Check metadata checksum. */
- for (checksum = 0, ptr = (uint32_t *)meta, i = 0;
- i < (meta->config_size / sizeof(uint32_t)); i++) {
- checksum += *ptr++;
- }
- checksum -= meta->checksum;
- if (checksum != meta->checksum) {
- G_RAID_DEBUG(1, "Intel checksum check failed on %s", pp->name);
- free(meta, M_MD_INTEL);
- return (NULL);
- }
- /* Validate metadata size. */
- size = sizeof(struct intel_raid_conf) +
- sizeof(struct intel_raid_disk) * (meta->total_disks - 1) +
- sizeof(struct intel_raid_vol) * meta->total_volumes;
- if (size > meta->config_size) {
- badsize:
- G_RAID_DEBUG(1, "Intel metadata size incorrect %d < %d",
- meta->config_size, size);
- free(meta, M_MD_INTEL);
- return (NULL);
- }
- for (i = 0; i < meta->total_volumes; i++) {
- mvol = intel_get_volume(meta, i);
- mmap = intel_get_map(mvol, 0);
- size += 4 * (mmap->total_disks - 1);
- if (size > meta->config_size)
- goto badsize;
- if (mvol->migr_state) {
- size += sizeof(struct intel_raid_map);
- if (size > meta->config_size)
- goto badsize;
- mmap = intel_get_map(mvol, 1);
- size += 4 * (mmap->total_disks - 1);
- if (size > meta->config_size)
- goto badsize;
- }
- }
- g_raid_md_intel_print(meta);
- if (strncmp(meta->version, INTEL_VERSION_1300, 6) > 0) {
- G_RAID_DEBUG(1, "Intel unsupported version: '%.6s'",
- meta->version);
- free(meta, M_MD_INTEL);
- return (NULL);
- }
- if (strncmp(meta->version, INTEL_VERSION_1300, 6) >= 0 &&
- (meta->attributes & ~INTEL_ATTR_SUPPORTED) != 0) {
- G_RAID_DEBUG(1, "Intel unsupported attributes: 0x%08x",
- meta->attributes & ~INTEL_ATTR_SUPPORTED);
- free(meta, M_MD_INTEL);
- return (NULL);
- }
- /* Validate disk indexes. */
- for (i = 0; i < meta->total_volumes; i++) {
- mvol = intel_get_volume(meta, i);
- for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) {
- mmap = intel_get_map(mvol, j);
- for (k = 0; k < mmap->total_disks; k++) {
- if ((mmap->disk_idx[k] & INTEL_DI_IDX) >
- meta->total_disks) {
- G_RAID_DEBUG(1, "Intel metadata disk"
- " index %d too big (>%d)",
- mmap->disk_idx[k] & INTEL_DI_IDX,
- meta->total_disks);
- free(meta, M_MD_INTEL);
- return (NULL);
- }
- }
- }
- }
- /* Validate migration types. */
- for (i = 0; i < meta->total_volumes; i++) {
- mvol = intel_get_volume(meta, i);
- /* Deny unknown migration types. */
- if (mvol->migr_state &&
- mvol->migr_type != INTEL_MT_INIT &&
- mvol->migr_type != INTEL_MT_REBUILD &&
- mvol->migr_type != INTEL_MT_VERIFY &&
- mvol->migr_type != INTEL_MT_GEN_MIGR &&
- mvol->migr_type != INTEL_MT_REPAIR) {
- G_RAID_DEBUG(1, "Intel metadata has unsupported"
- " migration type %d", mvol->migr_type);
- free(meta, M_MD_INTEL);
- return (NULL);
- }
- /* Deny general migrations except SINGLE->RAID1. */
- if (mvol->migr_state &&
- mvol->migr_type == INTEL_MT_GEN_MIGR) {
- mmap = intel_get_map(mvol, 0);
- mmap1 = intel_get_map(mvol, 1);
- if (mmap1->total_disks != 1 ||
- mmap->type != INTEL_T_RAID1 ||
- mmap->total_disks != 2 ||
- mmap->offset != mmap1->offset ||
- mmap->disk_sectors != mmap1->disk_sectors ||
- mmap->total_domains != mmap->total_disks ||
- mmap->offset_hi != mmap1->offset_hi ||
- mmap->disk_sectors_hi != mmap1->disk_sectors_hi ||
- (mmap->disk_idx[0] != mmap1->disk_idx[0] &&
- mmap->disk_idx[0] != mmap1->disk_idx[1])) {
- G_RAID_DEBUG(1, "Intel metadata has unsupported"
- " variant of general migration");
- free(meta, M_MD_INTEL);
- return (NULL);
- }
- }
- }
- return (meta);
- }
- static int
- intel_meta_write(struct g_consumer *cp, struct intel_raid_conf *meta)
- {
- struct g_provider *pp;
- char *buf;
- int error, i, sectors;
- uint32_t checksum, *ptr;
- pp = cp->provider;
- /* Recalculate checksum for case if metadata were changed. */
- meta->checksum = 0;
- for (checksum = 0, ptr = (uint32_t *)meta, i = 0;
- i < (meta->config_size / sizeof(uint32_t)); i++) {
- checksum += *ptr++;
- }
- meta->checksum = checksum;
- /* Create and fill buffer. */
- sectors = howmany(meta->config_size, pp->sectorsize);
- buf = malloc(sectors * pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO);
- if (sectors > 1) {
- memcpy(buf, ((char *)meta) + pp->sectorsize,
- (sectors - 1) * pp->sectorsize);
- }
- memcpy(buf + (sectors - 1) * pp->sectorsize, meta, pp->sectorsize);
- error = g_write_data(cp,
- pp->mediasize - pp->sectorsize * (1 + sectors),
- buf, pp->sectorsize * sectors);
- if (error != 0) {
- G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
- pp->name, error);
- }
- free(buf, M_MD_INTEL);
- return (error);
- }
- static int
- intel_meta_erase(struct g_consumer *cp)
- {
- struct g_provider *pp;
- char *buf;
- int error;
- pp = cp->provider;
- buf = malloc(pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO);
- error = g_write_data(cp,
- pp->mediasize - 2 * pp->sectorsize,
- buf, pp->sectorsize);
- if (error != 0) {
- G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
- pp->name, error);
- }
- free(buf, M_MD_INTEL);
- return (error);
- }
- static int
- intel_meta_write_spare(struct g_consumer *cp, struct intel_raid_disk *d)
- {
- struct intel_raid_conf *meta;
- int error;
- /* Fill anchor and single disk. */
- meta = malloc(INTEL_MAX_MD_SIZE(1), M_MD_INTEL, M_WAITOK | M_ZERO);
- memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1);
- memcpy(&meta->version[0], INTEL_VERSION_1000,
- sizeof(INTEL_VERSION_1000) - 1);
- meta->config_size = INTEL_MAX_MD_SIZE(1);
- meta->config_id = meta->orig_config_id = arc4random();
- meta->generation = 1;
- meta->total_disks = 1;
- meta->disk[0] = *d;
- error = intel_meta_write(cp, meta);
- free(meta, M_MD_INTEL);
- return (error);
- }
- static struct g_raid_disk *
- g_raid_md_intel_get_disk(struct g_raid_softc *sc, int id)
- {
- struct g_raid_disk *disk;
- struct g_raid_md_intel_perdisk *pd;
- TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
- pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
- if (pd->pd_disk_pos == id)
- break;
- }
- return (disk);
- }
- static int
- g_raid_md_intel_supported(int level, int qual, int disks, int force)
- {
- switch (level) {
- case G_RAID_VOLUME_RL_RAID0:
- if (disks < 1)
- return (0);
- if (!force && (disks < 2 || disks > 6))
- return (0);
- break;
- case G_RAID_VOLUME_RL_RAID1:
- if (disks < 1)
- return (0);
- if (!force && (disks != 2))
- return (0);
- break;
- case G_RAID_VOLUME_RL_RAID1E:
- if (disks < 2)
- return (0);
- if (!force && (disks != 4))
- return (0);
- break;
- case G_RAID_VOLUME_RL_RAID5:
- if (disks < 3)
- return (0);
- if (!force && disks > 6)
- return (0);
- if (qual != G_RAID_VOLUME_RLQ_R5LA)
- return (0);
- break;
- default:
- return (0);
- }
- if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE)
- return (0);
- return (1);
- }
- static struct g_raid_volume *
- g_raid_md_intel_get_volume(struct g_raid_softc *sc, int id)
- {
- struct g_raid_volume *mvol;
- struct g_raid_md_intel_pervolume *pv;
- TAILQ_FOREACH(mvol, &sc->sc_volumes, v_next) {
- pv = mvol->v_md_data;
- if (pv->pv_volume_pos == id)
- break;
- }
- return (mvol);
- }
- static int
- g_raid_md_intel_start_disk(struct g_raid_disk *disk)
- {
- struct g_raid_softc *sc;
- struct g_raid_subdisk *sd, *tmpsd;
- struct g_raid_disk *olddisk, *tmpdisk;
- struct g_raid_md_object *md;
- struct g_raid_md_intel_object *mdi;
- struct g_raid_md_intel_pervolume *pv;
- struct g_raid_md_intel_perdisk *pd, *oldpd;
- struct intel_raid_conf *meta;
- struct intel_raid_vol *mvol;
- struct intel_raid_map *mmap0, *mmap1;
- int disk_pos, resurrection = 0, migr_global, i;
- sc = disk->d_softc;
- md = sc->sc_md;
- mdi = (struct g_raid_md_intel_object *)md;
- meta = mdi->mdio_meta;
- pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
- olddisk = NULL;
- /* Find disk position in metadata by its serial. */
- disk_pos = intel_meta_find_disk(meta, pd->pd_disk_meta.serial);
- if (disk_pos < 0) {
- G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
- /* Failed stale disk is useless for us. */
- if ((pd->pd_disk_meta.flags & INTEL_F_FAILED) &&
- !(pd->pd_disk_meta.flags & INTEL_F_DISABLED)) {
- g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE_FAILED);
- return (0);
- }
- /* If we are in the start process, that's all for now. */
- if (!mdi->mdio_started)
- goto nofit;
- /*
- * If we have already started - try to get use of the disk.
- * Try to replace OFFLINE disks first, then FAILED.
- */
- TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) {
- if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE &&
- tmpdisk->d_state != G_RAID_DISK_S_FAILED)
- continue;
- /* Make sure this disk is big enough. */
- TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) {
- off_t disk_sectors =
- intel_get_disk_sectors(&pd->pd_disk_meta);
- if (sd->sd_offset + sd->sd_size + 4096 >
- disk_sectors * 512) {
- G_RAID_DEBUG1(1, sc,
- "Disk too small (%llu < %llu)",
- (unsigned long long)
- disk_sectors * 512,
- (unsigned long long)
- sd->sd_offset + sd->sd_size + 4096);
- break;
- }
- }
- if (sd != NULL)
- continue;
- if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) {
- olddisk = tmpdisk;
- break;
- } else if (olddisk == NULL)
- olddisk = tmpdisk;
- }
- if (olddisk == NULL) {
- nofit:
- if (pd->pd_disk_meta.flags & INTEL_F_SPARE) {
- g_raid_change_disk_state(disk,
- G_RAID_DISK_S_SPARE);
- return (1);
- } else {
- g_raid_change_disk_state(disk,
- G_RAID_DISK_S_STALE);
- return (0);
- }
- }
- oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data;
- disk_pos = oldpd->pd_disk_pos;
- resurrection = 1;
- }
- if (olddisk == NULL) {
- /* Find placeholder by position. */
- olddisk = g_raid_md_intel_get_disk(sc, disk_pos);
- if (olddisk == NULL)
- panic("No disk at position %d!", disk_pos);
- if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) {
- G_RAID_DEBUG1(1, sc, "More than one disk for pos %d",
- disk_pos);
- g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE);
- return (0);
- }
- oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data;
- }
- /* Replace failed disk or placeholder with new disk. */
- TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
- TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
- TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
- sd->sd_disk = disk;
- }
- oldpd->pd_disk_pos = -2;
- pd->pd_disk_pos = disk_pos;
- /* If it was placeholder -- destroy it. */
- if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) {
- g_raid_destroy_disk(olddisk);
- } else {
- /* Otherwise, make it STALE_FAILED. */
- g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED);
- /* Update global metadata just in case. */
- memcpy(&meta->disk[disk_pos], &pd->pd_disk_meta,
- sizeof(struct intel_raid_disk));
- }
- /* Welcome the new disk. */
- if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) &&
- !(pd->pd_disk_meta.flags & INTEL_F_SPARE))
- g_raid_change_disk_state(disk, G_RAID_DISK_S_DISABLED);
- else if (resurrection)
- g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
- else if (meta->disk[disk_pos].flags & INTEL_F_FAILED)
- g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED);
- else if (meta->disk[disk_pos].flags & INTEL_F_SPARE)
- g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE);
- else
- g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
- TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
- pv = sd->sd_volume->v_md_data;
- mvol = intel_get_volume(meta, pv->pv_volume_pos);
- mmap0 = intel_get_map(mvol, 0);
- if (mvol->migr_state)
- mmap1 = intel_get_map(mvol, 1);
- else
- mmap1 = mmap0;
- migr_global = 1;
- for (i = 0; i < mmap0->total_disks; i++) {
- if ((mmap0->disk_idx[i] & INTEL_DI_RBLD) == 0 &&
- (mmap1->disk_idx[i] & INTEL_DI_RBLD) != 0)
- migr_global = 0;
- }
- if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) &&
- !(pd->pd_disk_meta.flags & INTEL_F_SPARE)) {
- /* Disabled disk, useless. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_NONE);
- } else if (resurrection) {
- /* Stale disk, almost same as new. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_NEW);
- } else if (meta->disk[disk_pos].flags & INTEL_F_FAILED) {
- /* Failed disk, almost useless. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_FAILED);
- } else if (mvol->migr_state == 0) {
- if (mmap0->status == INTEL_S_UNINITIALIZED &&
- (!pv->pv_cng || pv->pv_cng_master_disk != disk_pos)) {
- /* Freshly created uninitialized volume. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_UNINITIALIZED);
- } else if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
- /* Freshly inserted disk. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_NEW);
- } else if (mvol->dirty && (!pv->pv_cng ||
- pv->pv_cng_master_disk != disk_pos)) {
- /* Dirty volume (unclean shutdown). */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_STALE);
- } else {
- /* Up to date disk. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_ACTIVE);
- }
- } else if (mvol->migr_type == INTEL_MT_INIT ||
- mvol->migr_type == INTEL_MT_REBUILD) {
- if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
- /* Freshly inserted disk. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_NEW);
- } else if (mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
- /* Rebuilding disk. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_REBUILD);
- if (mvol->dirty) {
- sd->sd_rebuild_pos = 0;
- } else {
- sd->sd_rebuild_pos =
- intel_get_vol_curr_migr_unit(mvol) *
- sd->sd_volume->v_strip_size *
- mmap0->total_domains;
- }
- } else if (mvol->migr_type == INTEL_MT_INIT &&
- migr_global) {
- /* Freshly created uninitialized volume. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_UNINITIALIZED);
- } else if (mvol->dirty && (!pv->pv_cng ||
- pv->pv_cng_master_disk != disk_pos)) {
- /* Dirty volume (unclean shutdown). */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_STALE);
- } else {
- /* Up to date disk. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_ACTIVE);
- }
- } else if (mvol->migr_type == INTEL_MT_VERIFY ||
- mvol->migr_type == INTEL_MT_REPAIR) {
- if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
- /* Freshly inserted disk. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_NEW);
- } else if ((mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) ||
- migr_global) {
- /* Resyncing disk. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_RESYNC);
- if (mvol->dirty) {
- sd->sd_rebuild_pos = 0;
- } else {
- sd->sd_rebuild_pos =
- intel_get_vol_curr_migr_unit(mvol) *
- sd->sd_volume->v_strip_size *
- mmap0->total_domains;
- }
- } else if (mvol->dirty) {
- /* Dirty volume (unclean shutdown). */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_STALE);
- } else {
- /* Up to date disk. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_ACTIVE);
- }
- } else if (mvol->migr_type == INTEL_MT_GEN_MIGR) {
- if ((mmap1->disk_idx[0] & INTEL_DI_IDX) != disk_pos) {
- /* Freshly inserted disk. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_NEW);
- } else {
- /* Up to date disk. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_ACTIVE);
- }
- }
- g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
- G_RAID_EVENT_SUBDISK);
- }
- /* Update status of our need for spare. */
- if (mdi->mdio_started) {
- mdi->mdio_incomplete =
- (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
- g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) <
- meta->total_disks);
- }
- return (resurrection);
- }
- static void
- g_disk_md_intel_retaste(void *arg, int pending)
- {
- G_RAID_DEBUG(1, "Array is not complete, trying to retaste.");
- g_retaste(&g_raid_class);
- free(arg, M_MD_INTEL);
- }
- static void
- g_raid_md_intel_refill(struct g_raid_softc *sc)
- {
- struct g_raid_md_object *md;
- struct g_raid_md_intel_object *mdi;
- struct intel_raid_conf *meta;
- struct g_raid_disk *disk;
- struct task *task;
- int update, na;
- md = sc->sc_md;
- mdi = (struct g_raid_md_intel_object *)md;
- meta = mdi->mdio_meta;
- update = 0;
- do {
- /* Make sure we miss anything. */
- na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
- g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED);
- if (na == meta->total_disks)
- break;
- G_RAID_DEBUG1(1, md->mdo_softc,
- "Array is not complete (%d of %d), "
- "trying to refill.", na, meta->total_disks);
- /* Try to get use some of STALE disks. */
- TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
- if (disk->d_state == G_RAID_DISK_S_STALE) {
- update += g_raid_md_intel_start_disk(disk);
- if (disk->d_state == G_RAID_DISK_S_ACTIVE ||
- disk->d_state == G_RAID_DISK_S_DISABLED)
- break;
- }
- }
- if (disk != NULL)
- continue;
- /* Try to get use some of SPARE disks. */
- TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
- if (disk->d_state == G_RAID_DISK_S_SPARE) {
- update += g_raid_md_intel_start_disk(disk);
- if (disk->d_state == G_RAID_DISK_S_ACTIVE)
- break;
- }
- }
- } while (disk != NULL);
- /* Write new metadata if we changed something. */
- if (update) {
- g_raid_md_write_intel(md, NULL, NULL, NULL);
- meta = mdi->mdio_meta;
- }
- /* Update status of our need for spare. */
- mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
- g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) < meta->total_disks);
- /* Request retaste hoping to find spare. */
- if (mdi->mdio_incomplete) {
- task = malloc(sizeof(struct task),
- M_MD_INTEL, M_WAITOK | M_ZERO);
- TASK_INIT(task, 0, g_disk_md_intel_retaste, task);
- taskqueue_enqueue(taskqueue_swi, task);
- }
- }
- static void
- g_raid_md_intel_start(struct g_raid_softc *sc)
- {
- struct g_raid_md_object *md;
- struct g_raid_md_intel_object *mdi;
- struct g_raid_md_intel_pervolume *pv;
- struct g_raid_md_intel_perdisk *pd;
- struct intel_raid_conf *meta;
- struct intel_raid_vol *mvol;
- struct intel_raid_map *mmap;
- struct g_raid_volume *vol;
- struct g_raid_subdisk *sd;
- struct g_raid_disk *disk;
- int i, j, disk_pos;
- md = sc->sc_md;
- mdi = (struct g_raid_md_intel_object *)md;
- meta = mdi->mdio_meta;
- /* Create volumes and subdisks. */
- for (i = 0; i < meta->total_volumes; i++) {
- mvol = intel_get_volume(meta, i);
- mmap = intel_get_map(mvol, 0);
- vol = g_raid_create_volume(sc, mvol->name, mvol->tid - 1);
- pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
- pv->pv_volume_pos = i;
- pv->pv_cng = (mvol->state & INTEL_ST_CLONE_N_GO) != 0;
- pv->pv_cng_man_sync = (mvol->state & INTEL_ST_CLONE_MAN_SYNC) != 0;
- if (mvol->cng_master_disk < mmap->total_disks)
- pv->pv_cng_master_disk = mvol->cng_master_disk;
- vol->v_md_data = pv;
- vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
- if (mmap->type == INTEL_T_RAID0)
- vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
- else if (mmap->type == INTEL_T_RAID1 &&
- mmap->total_domains >= 2 &&
- mmap->total_domains <= mmap->total_disks) {
- /* Assume total_domains is correct. */
- if (mmap->total_domains == mmap->total_disks)
- vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
- else
- vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
- } else if (mmap->type == INTEL_T_RAID1) {
- /* total_domains looks wrong. */
- if (mmap->total_disks <= 2)
- vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
- else
- vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
- } else if (mmap->type == INTEL_T_RAID5) {
- vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
- vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA;
- } else
- vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
- vol->v_strip_size = (u_int)mmap->strip_sectors * 512; //ZZZ
- vol->v_disks_count = mmap->total_disks;
- vol->v_mediasize = (off_t)mvol->total_sectors * 512; //ZZZ
- vol->v_sectorsize = 512; //ZZZ
- for (j = 0; j < vol->v_disks_count; j++) {
- sd = &vol->v_subdisks[j];
- sd->sd_offset = intel_get_map_offset(mmap) * 512; //ZZZ
- sd->sd_size = intel_get_map_disk_sectors(mmap) * 512; //ZZZ
- }
- g_raid_start_volume(vol);
- }
- /* Create disk placeholders to store data for later writing. */
- for (disk_pos = 0; disk_pos < meta->total_disks; disk_pos++) {
- pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
- pd->pd_disk_pos = disk_pos;
- pd->pd_disk_meta = meta->disk[disk_pos];
- disk = g_raid_create_disk(sc);
- disk->d_md_data = (void *)pd;
- disk->d_state = G_RAID_DISK_S_OFFLINE;
- for (i = 0; i < meta->total_volumes; i++) {
- mvol = intel_get_volume(meta, i);
- mmap = intel_get_map(mvol, 0);
- for (j = 0; j < mmap->total_disks; j++) {
- if ((mmap->disk_idx[j] & INTEL_DI_IDX) == disk_pos)
- break;
- }
- if (j == mmap->total_disks)
- continue;
- vol = g_raid_md_intel_get_volume(sc, i);
- sd = &vol->v_subdisks[j];
- sd->sd_disk = disk;
- TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
- }
- }
- /* Make all disks found till the moment take their places. */
- do {
- TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
- if (disk->d_state == G_RAID_DISK_S_NONE) {
- g_raid_md_intel_start_disk(disk);
- break;
- }
- }
- } while (disk != NULL);
- mdi->mdio_started = 1;
- G_RAID_DEBUG1(0, sc, "Array started.");
- g_raid_md_write_intel(md, NULL, NULL, NULL);
- /* Pickup any STALE/SPARE disks to refill array if needed. */
- g_raid_md_intel_refill(sc);
- TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
- g_raid_event_send(vol, G_RAID_VOLUME_E_START,
- G_RAID_EVENT_VOLUME);
- }
- callout_stop(&mdi->mdio_start_co);
- G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount);
- root_mount_rel(mdi->mdio_rootmount);
- mdi->mdio_rootmount = NULL;
- }
- static void
- g_raid_md_intel_new_disk(struct g_raid_disk *disk)
- {
- struct g_raid_softc *sc;
- struct g_raid_md_object *md;
- struct g_raid_md_intel_object *mdi;
- struct intel_raid_conf *pdmeta;
- struct g_raid_md_intel_perdisk *pd;
- sc = disk->d_softc;
- md = sc->sc_md;
- mdi = (struct g_raid_md_intel_object *)md;
- pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
- pdmeta = pd->pd_meta;
- if (mdi->mdio_started) {
- if (g_raid_md_intel_start_disk(disk))
- g_raid_md_write_intel(md, NULL, NULL, NULL);
- } else {
- /* If we haven't started yet - check metadata freshness. */
- if (mdi->mdio_meta == NULL ||
- ((int32_t)(pdmeta->generation - mdi->mdio_generation)) > 0) {
- G_RAID_DEBUG1(1, sc, "Newer disk");
- if (mdi->mdio_meta != NULL)
- free(mdi->mdio_meta, M_MD_INTEL);
- mdi->mdio_meta = intel_meta_copy(pdmeta);
- mdi->mdio_generation = mdi->mdio_meta->generation;
- mdi->mdio_disks_present = 1;
- } else if (pdmeta->generation == mdi->mdio_generation) {
- mdi->mdio_disks_present++;
- G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)",
- mdi->mdio_disks_present,
- mdi->mdio_meta->total_disks);
- } else {
- G_RAID_DEBUG1(1, sc, "Older disk");
- }
- /* If we collected all needed disks - start array. */
- if (mdi->mdio_disks_present == mdi->mdio_meta->total_disks)
- g_raid_md_intel_start(sc);
- }
- }
- static void
- g_raid_intel_go(void *arg)
- {
- struct g_raid_softc *sc;
- struct g_raid_md_object *md;
- struct g_raid_md_intel_object *mdi;
- sc = arg;
- md = sc->sc_md;
- mdi = (struct g_raid_md_intel_object *)md;
- if (!mdi->mdio_started) {
- G_RAID_DEBUG1(0, sc, "Force array start due to timeout.");
- g_raid_event_send(sc, G_RAID_NODE_E_START, 0);
- }
- }
- static int
- g_raid_md_create_intel(struct g_raid_md_object *md, struct g_class *mp,
- struct g_geom **gp)
- {
- struct g_raid_softc *sc;
- struct g_raid_md_intel_object *mdi;
- char name[16];
- mdi = (struct g_raid_md_intel_object *)md;
- mdi->mdio_config_id = mdi->mdio_orig_config_id = arc4random();
- mdi->mdio_generation = 0;
- snprintf(name, sizeof(name), "Intel-%08x", mdi->mdio_config_id);
- sc = g_raid_create_node(mp, name, md);
- if (sc == NULL)
- return (G_RAID_MD_TASTE_FAIL);
- md->mdo_softc = sc;
- *gp = sc->sc_geom;
- return (G_RAID_MD_TASTE_NEW);
- }
- /*
- * Return the last N characters of the serial label. The Linux and
- * ataraid(7) code always uses the last 16 characters of the label to
- * store into the Intel meta format. Generalize this to N characters
- * since that's easy. Labels can be up to 20 characters for SATA drives
- * and up 251 characters for SAS drives. Since intel controllers don't
- * support SAS drives, just stick with the SATA limits for stack friendliness.
- */
- static int
- g_raid_md_get_label(struct g_consumer *cp, char *serial, int serlen)
- {
- char serial_buffer[DISK_IDENT_SIZE];
- int len, error;
- len = sizeof(serial_buffer);
- error = g_io_getattr("GEOM::ident", cp, &len, serial_buffer);
- if (error != 0)
- return (error);
- len = strlen(serial_buffer);
- if (len > serlen)
- len -= serlen;
- else
- len = 0;
- strncpy(serial, serial_buffer + len, serlen);
- return (0);
- }
- static int
- g_raid_md_taste_intel(struct g_raid_md_object *md, struct g_class *mp,
- struct g_consumer *cp, struct g_geom **gp)
- {
- struct g_consumer *rcp;
- struct g_provider *pp;
- struct g_raid_md_intel_object *mdi, *mdi1;
- struct g_raid_softc *sc;
- struct g_raid_disk *disk;
- struct intel_raid_conf *meta;
- struct g_raid_md_intel_perdisk *pd;
- struct g_geom *geom;
- int error, disk_pos, result, spare, len;
- char serial[INTEL_SERIAL_LEN];
- char name[16];
- uint16_t vendor;
- G_RAID_DEBUG(1, "Tasting Intel on %s", cp->provider->name);
- mdi = (struct g_raid_md_intel_object *)md;
- pp = cp->provider;
- /* Read metadata from device. */
- meta = NULL;
- disk_pos = 0;
- g_topology_unlock();
- error = g_raid_md_get_label(cp, serial, sizeof(serial));
- if (error != 0) {
- G_RAID_DEBUG(1, "Cannot get serial number from %s (error=%d).",
- pp->name, error);
- goto fail2;
- }
- vendor = 0xffff;
- len = sizeof(vendor);
- if (pp->geom->rank == 1)
- g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
- meta = intel_meta_read(cp);
- g_topology_lock();
- if (meta == NULL) {
- if (g_raid_aggressive_spare) {
- if (vendor != 0x8086) {
- G_RAID_DEBUG(1,
- "Intel vendor mismatch 0x%04x != 0x8086",
- vendor);
- } else {
- G_RAID_DEBUG(1,
- "No Intel metadata, forcing spare.");
- spare = 2;
- goto search;
- }
- }
- return (G_RAID_MD_TASTE_FAIL);
- }
- /* Check this disk position in obtained metadata. */
- disk_pos = intel_meta_find_disk(meta, serial);
- if (disk_pos < 0) {
- G_RAID_DEBUG(1, "Intel serial '%s' not found", serial);
- goto fail1;
- }
- if (intel_get_disk_sectors(&meta->disk[disk_pos]) !=
- (pp->mediasize / pp->sectorsize)) {
- G_RAID_DEBUG(1, "Intel size mismatch %ju != %ju",
- intel_get_disk_sectors(&meta->disk[disk_pos]),
- (off_t)(pp->mediasize / pp->sectorsize));
- goto fail1;
- }
- G_RAID_DEBUG(1, "Intel disk position %d", disk_pos);
- spare = meta->disk[disk_pos].flags & INTEL_F_SPARE;
- search:
- /* Search for matching node. */
- sc = NULL;
- mdi1 = NULL;
- LIST_FOREACH(geom, &mp->geom, geom) {
- sc = geom->softc;
- if (sc == NULL)
- continue;
- if (sc->sc_stopping != 0)
- continue;
- if (sc->sc_md->mdo_class != md->mdo_class)
- continue;
- mdi1 = (struct g_raid_md_intel_object *)sc->sc_md;
- if (spare) {
- if (mdi1->mdio_incomplete)
- break;
- } else {
- if (mdi1->mdio_config_id == meta->config_id)
- break;
- }
- }
- /* Found matching node. */
- if (geom != NULL) {
- G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name);
- result = G_RAID_MD_TASTE_EXISTING;
- } else if (spare) { /* Not found needy node -- left for later. */
- G_RAID_DEBUG(1, "Spare is not needed at this time");
- goto fail1;
- } else { /* Not found matching node -- create one. */
- result = G_RAID_MD_TASTE_NEW;
- mdi->mdio_config_id = meta->config_id;
- mdi->mdio_orig_config_id = meta->orig_config_id;
- snprintf(name, sizeof(name), "Intel-%08x", meta->config_id);
- sc = g_raid_create_node(mp, name, md);
- md->mdo_softc = sc;
- geom = sc->sc_geom;
- callout_init(&mdi->mdio_start_co, 1);
- callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz,
- g_raid_intel_go, sc);
- mdi->mdio_rootmount = root_mount_hold("GRAID-Intel");
- G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount);
- }
- /* There is no return after this point, so we close passed consumer. */
- g_access(cp, -1, 0, 0);
- rcp = g_new_consumer(geom);
- rcp->flags |= G_CF_DIRECT_RECEIVE;
- g_attach(rcp, pp);
- if (g_access(rcp, 1, 1, 1) != 0)
- ; //goto fail1;
- g_topology_unlock();
- sx_xlock(&sc->sc_lock);
- pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
- pd->pd_meta = meta;
- pd->pd_disk_pos = -1;
- if (spare == 2) {
- memcpy(&pd->pd_disk_meta.serial[0], serial, INTEL_SERIAL_LEN);
- intel_set_disk_sectors(&pd->pd_disk_meta,
- pp->mediasize / pp->sectorsize);
- pd->pd_disk_meta.id = 0;
- pd->pd_disk_meta.flags = INTEL_F_SPARE;
- } else {
- pd->pd_disk_meta = meta->disk[disk_pos];
- }
- disk = g_raid_create_disk(sc);
- disk->d_md_data = (void *)pd;
- disk->d_consumer = rcp;
- rcp->private = disk;
- g_raid_get_disk_info(disk);
- g_raid_md_intel_new_disk(disk);
- sx_xunlock(&sc->sc_lock);
- g_topology_lock();
- *gp = geom;
- return (result);
- fail2:
- g_topology_lock();
- fail1:
- free(meta, M_MD_INTEL);
- return (G_RAID_MD_TASTE_FAIL);
- }
- static int
- g_raid_md_event_intel(struct g_raid_md_object *md,
- struct g_raid_disk *disk, u_int event)
- {
- struct g_raid_softc *sc;
- struct g_raid_subdisk *sd;
- struct g_raid_md_intel_object *mdi;
- struct g_raid_md_intel_perdisk *pd;
- sc = md->mdo_softc;
- mdi = (struct g_raid_md_intel_object *)md;
- if (disk == NULL) {
- switch (event) {
- case G_RAID_NODE_E_START:
- if (!mdi->mdio_started)
- g_raid_md_intel_start(sc);
- return (0);
- }
- return (-1);
- }
- pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
- switch (event) {
- case G_RAID_DISK_E_DISCONNECTED:
- /* If disk was assigned, just update statuses. */
- if (pd->pd_disk_pos >= 0) {
- g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
- if (disk->d_consumer) {
- g_raid_kill_consumer(sc, disk->d_consumer);
- disk->d_consumer = NULL;
- }
- TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_NONE);
- g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
- G_RAID_EVENT_SUBDISK);
- }
- } else {
- /* Otherwise -- delete. */
- g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
- g_raid_destroy_disk(disk);
- }
- /* Write updated metadata to all disks. */
- g_raid_md_write_intel(md, NULL, NULL, NULL);
- /* Check if anything left except placeholders. */
- if (g_raid_ndisks(sc, -1) ==
- g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
- g_raid_destroy_node(sc, 0);
- else
- g_raid_md_intel_refill(sc);
- return (0);
- }
- return (-2);
- }
- static int
- g_raid_md_ctl_intel(struct g_raid_md_object *md,
- struct gctl_req *req)
- {
- struct g_raid_softc *sc;
- struct g_raid_volume *vol, *vol1;
- struct g_raid_subdisk *sd;
- struct g_raid_disk *disk;
- struct g_raid_md_intel_object *mdi;
- struct g_raid_md_intel_pervolume *pv;
- struct g_raid_md_intel_perdisk *pd;
- struct g_consumer *cp;
- struct g_provider *pp;
- char arg[16], serial[INTEL_SERIAL_LEN];
- const char *nodename, *verb, *volname, *levelname, *diskname;
- char *tmp;
- int *nargs, *force;
- off_t off, size, sectorsize, strip, disk_sectors;
- intmax_t *sizearg, *striparg;
- int numdisks, i, len, level, qual, update;
- int error;
- sc = md->mdo_softc;
- mdi = (struct g_raid_md_intel_object *)md;
- verb = gctl_get_param(req, "verb", NULL);
- nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
- error = 0;
- if (strcmp(verb, "label") == 0) {
- if (*nargs < 4) {
- gctl_error(req, "Invalid number of arguments.");
- return (-1);
- }
- volname = gctl_get_asciiparam(req, "arg1");
- if (volname == NULL) {
- gctl_error(req, "No volume name.");
- return (-2);
- }
- levelname = gctl_get_asciiparam(req, "arg2");
- if (levelname == NULL) {
- gctl_error(req, "No RAID level.");
- return (-3);
- }
- if (strcasecmp(levelname, "RAID5") == 0)
- levelname = "RAID5-LA";
- if (g_raid_volume_str2level(levelname, &level, &qual)) {
- gctl_error(req, "Unknown RAID level '%s'.", levelname);
- return (-4);
- }
- numdisks = *nargs - 3;
- force = gctl_get_paraml(req, "force", sizeof(*force));
- if (!g_raid_md_intel_supported(level, qual, numdisks,
- force ? *force : 0)) {
- gctl_error(req, "Unsupported RAID level "
- "(0x%02x/0x%02x), or number of disks (%d).",
- level, qual, numdisks);
- return (-5);
- }
- /* Search for disks, connect them and probe. */
- size = 0x7fffffffffffffffllu;
- sectorsize = 0;
- for (i = 0; i < numdisks; i++) {
- snprintf(arg, sizeof(arg), "arg%d", i + 3);
- diskname = gctl_get_asciiparam(req, arg);
- if (diskname == NULL) {
- gctl_error(req, "No disk name (%s).", arg);
- error = -6;
- break;
- }
- if (strcmp(diskname, "NONE") == 0) {
- cp = NULL;
- pp = NULL;
- } else {
- g_topology_lock();
- cp = g_raid_open_consumer(sc, diskname);
- if (cp == NULL) {
- gctl_error(req, "Can't open disk '%s'.",
- diskname);
- g_topology_unlock();
- error = -7;
- break;
- }
- pp = cp->provider;
- }
- pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
- pd->pd_disk_pos = i;
- disk = g_raid_create_disk(sc);
- disk->d_md_data = (void *)pd;
- disk->d_consumer = cp;
- if (cp == NULL) {
- strcpy(&pd->pd_disk_meta.serial[0], "NONE");
- pd->pd_disk_meta.id = 0xffffffff;
- pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
- continue;
- }
- cp->private = disk;
- g_topology_unlock();
- error = g_raid_md_get_label(cp,
- &pd->pd_disk_meta.serial[0], INTEL_SERIAL_LEN);
- if (error != 0) {
- gctl_error(req,
- "Can't get serial for provider '%s'.",
- diskname);
- error = -8;
- break;
- }
- g_raid_get_disk_info(disk);
- intel_set_disk_sectors(&pd->pd_disk_meta,
- pp->mediasize / pp->sectorsize);
- if (size > pp->mediasize)
- size = pp->mediasize;
- if (sectorsize < pp->sectorsize)
- sectorsize = pp->sectorsize;
- pd->pd_disk_meta.id = 0;
- pd->pd_disk_meta.flags = INTEL_F_ASSIGNED | INTEL_F_ONLINE;
- }
- if (error != 0)
- return (error);
- if (sectorsize <= 0) {
- gctl_error(req, "Can't get sector size.");
- return (-8);
- }
- /* Reserve some space for metadata. */
- size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
- /* Handle size argument. */
- len = sizeof(*sizearg);
- sizearg = gctl_get_param(req, "size", &len);
- if (sizearg != NULL && len == sizeof(*sizearg) &&
- *sizearg > 0) {
- if (*sizearg > size) {
- gctl_error(req, "Size too big %lld > %lld.",
- (long long)*sizearg, (long long)size);
- return (-9);
- }
- size = *sizearg;
- }
- /* Handle strip argument. */
- strip = 131072;
- len = sizeof(*striparg);
- striparg = gctl_get_param(req, "strip", &len);
- if (striparg != NULL && len == sizeof(*striparg) &&
- *striparg > 0) {
- if (*striparg < sectorsize) {
- gctl_error(req, "Strip size too small.");
- return (-10);
- }
- if (*striparg % sectorsize != 0) {
- gctl_error(req, "Incorrect strip size.");
- return (-11);
- }
- if (strip > 65535 * sectorsize) {
- gctl_error(req, "Strip size too big.");
- return (-12);
- }
- strip = *striparg;
- }
- /* Round size down to strip or sector. */
- if (level == G_RAID_VOLUME_RL_RAID1)
- size -= (size % sectorsize);
- else if (level == G_RAID_VOLUME_RL_RAID1E &&
- (numdisks & 1) != 0)
- size -= (size % (2 * strip));
- else
- size -= (size % strip);
- if (size <= 0) {
- gctl_error(req, "Size too small.");
- return (-13);
- }
- /* We have all we need, create things: volume, ... */
- mdi->mdio_started = 1;
- vol = g_raid_create_volume(sc, volname, -1);
- pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
- pv->pv_volume_pos = 0;
- vol->v_md_data = pv;
- vol->v_raid_level = level;
- vol->v_raid_level_qualifier = qual;
- vol->v_strip_size = strip;
- vol->v_disks_count = numdisks;
- if (level == G_RAID_VOLUME_RL_RAID0)
- vol->v_mediasize = size * numdisks;
- else if (level == G_RAID_VOLUME_RL_RAID1)
- vol->v_mediasize = size;
- else if (level == G_RAID_VOLUME_RL_RAID5)
- vol->v_mediasize = size * (numdisks - 1);
- else { /* RAID1E */
- vol->v_mediasize = ((size * numdisks) / strip / 2) *
- strip;
- }
- vol->v_sectorsize = sectorsize;
- g_raid_start_volume(vol);
- /* , and subdisks. */
- TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
- pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
- sd = &vol->v_subdisks[pd->pd_disk_pos];
- sd->sd_disk = disk;
- sd->sd_offset = 0;
- sd->sd_size = size;
- TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
- if (sd->sd_disk->d_consumer != NULL) {
- g_raid_change_disk_state(disk,
- G_RAID_DISK_S_ACTIVE);
- if (level == G_RAID_VOLUME_RL_RAID5)
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_UNINITIALIZED);
- else
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_ACTIVE);
- g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
- G_RAID_EVENT_SUBDISK);
- } else {
- g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
- }
- }
- /* Write metadata based on created entities. */
- G_RAID_DEBUG1(0, sc, "Array started.");
- g_raid_md_write_intel(md, NULL, NULL, NULL);
- /* Pickup any STALE/SPARE disks to refill array if needed. */
- g_raid_md_intel_refill(sc);
- g_raid_event_send(vol, G_RAID_VOLUME_E_START,
- G_RAID_EVENT_VOLUME);
- return (0);
- }
- if (strcmp(verb, "add") == 0) {
- if (*nargs != 3) {
- gctl_error(req, "Invalid number of arguments.");
- return (-1);
- }
- volname = gctl_get_asciiparam(req, "arg1");
- if (volname == NULL) {
- gctl_error(req, "No volume name.");
- return (-2);
- }
- levelname = gctl_get_asciiparam(req, "arg2");
- if (levelname == NULL) {
- gctl_error(req, "No RAID level.");
- return (-3);
- }
- if (strcasecmp(levelname, "RAID5") == 0)
- levelname = "RAID5-LA";
- if (g_raid_volume_str2level(levelname, &level, &qual)) {
- gctl_error(req, "Unknown RAID level '%s'.", levelname);
- return (-4);
- }
- /* Look for existing volumes. */
- i = 0;
- vol1 = NULL;
- TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
- vol1 = vol;
- i++;
- }
- if (i > 1) {
- gctl_error(req, "Maximum two volumes supported.");
- return (-6);
- }
- if (vol1 == NULL) {
- gctl_error(req, "At least one volume must exist.");
- return (-7);
- }
- numdisks = vol1->v_disks_count;
- force = gctl_get_paraml(req, "force", sizeof(*force));
- if (!g_raid_md_intel_supported(level, qual, numdisks,
- force ? *force : 0)) {
- gctl_error(req, "Unsupported RAID level "
- "(0x%02x/0x%02x), or number of disks (%d).",
- level, qual, numdisks);
- return (-5);
- }
- /* Collect info about present disks. */
- size = 0x7fffffffffffffffllu;
- sectorsize = 512;
- for (i = 0; i < numdisks; i++) {
- disk = vol1->v_subdisks[i].sd_disk;
- pd = (struct g_raid_md_intel_perdisk *)
- disk->d_md_data;
- disk_sectors =
- intel_get_disk_sectors(&pd->pd_disk_meta);
- if (disk_sectors * 512 < size)
- size = disk_sectors * 512;
- if (disk->d_consumer != NULL &&
- disk->d_consumer->provider != NULL &&
- disk->d_consumer->provider->sectorsize >
- sectorsize) {
- sectorsize =
- disk->d_consumer->provider->sectorsize;
- }
- }
- /* Reserve some space for metadata. */
- size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
- /* Decide insert before or after. */
- sd = &vol1->v_subdisks[0];
- if (sd->sd_offset >
- size - (sd->sd_offset + sd->sd_size)) {
- off = 0;
- size = sd->sd_offset;
- } else {
- off = sd->sd_offset + sd->sd_size;
- size = size - (sd->sd_offset + sd->sd_size);
- }
- /* Handle strip argument. */
- strip = 131072;
- len = sizeof(*striparg);
- striparg = gctl_get_param(req, "strip", &len);
- if (striparg != NULL && len == sizeof(*striparg) &&
- *striparg > 0) {
- if (*striparg < sectorsize) {
- gctl_error(req, "Strip size too small.");
- return (-10);
- }
- if (*striparg % sectorsize != 0) {
- gctl_error(req, "Incorrect strip size.");
- return (-11);
- }
- if (strip > 65535 * sectorsize) {
- gctl_error(req, "Strip size too big.");
- return (-12);
- }
- strip = *striparg;
- }
- /* Round offset up to strip. */
- if (off % strip != 0) {
- size -= strip - off % strip;
- off += strip - off % strip;
- }
- /* Handle size argument. */
- len = sizeof(*sizearg);
- sizearg = gctl_get_param(req, "size", &len);
- if (sizearg != NULL && len == sizeof(*sizearg) &&
- *sizearg > 0) {
- if (*sizearg > size) {
- gctl_error(req, "Size too big %lld > %lld.",
- (long long)*sizearg, (long long)size);
- return (-9);
- }
- size = *sizearg;
- }
- /* Round size down to strip or sector. */
- if (level == G_RAID_VOLUME_RL_RAID1)
- size -= (size % sectorsize);
- else
- size -= (size % strip);
- if (size <= 0) {
- gctl_error(req, "Size too small.");
- return (-13);
- }
- if (size > 0xffffffffllu * sectorsize) {
- gctl_error(req, "Size too big.");
- return (-14);
- }
- /* We have all we need, create things: volume, ... */
- vol = g_raid_create_volume(sc, volname, -1);
- pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
- pv->pv_volume_pos = i;
- vol->v_md_data = pv;
- vol->v_raid_level = level;
- vol->v_raid_level_qualifier = qual;
- vol->v_strip_size = strip;
- vol->v_disks_count = numdisks;
- if (level == G_RAID_VOLUME_RL_RAID0)
- vol->v_mediasize = size * numdisks;
- else if (level == G_RAID_VOLUME_RL_RAID1)
- vol->v_mediasize = size;
- else if (level == G_RAID_VOLUME_RL_RAID5)
- vol->v_mediasize = size * (numdisks - 1);
- else { /* RAID1E */
- vol->v_mediasize = ((size * numdisks) / strip / 2) *
- strip;
- }
- vol->v_sectorsize = sectorsize;
- g_raid_start_volume(vol);
- /* , and subdisks. */
- for (i = 0; i < numdisks; i++) {
- disk = vol1->v_subdisks[i].sd_disk;
- sd = &vol->v_subdisks[i];
- sd->sd_disk = disk;
- sd->sd_offset = off;
- sd->sd_size = size;
- TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
- if (disk->d_state == G_RAID_DISK_S_ACTIVE) {
- if (level == G_RAID_VOLUME_RL_RAID5)
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_UNINITIALIZED);
- else
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_ACTIVE);
- g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
- G_RAID_EVENT_SUBDISK);
- }
- }
- /* Write metadata based on created entities. */
- g_raid_md_write_intel(md, NULL, NULL, NULL);
- g_raid_event_send(vol, G_RAID_VOLUME_E_START,
- G_RAID_EVENT_VOLUME);
- return (0);
- }
- if (strcmp(verb, "delete") == 0) {
- nodename = gctl_get_asciiparam(req, "arg0");
- if (nodename != NULL && strcasecmp(sc->sc_name, nodename) != 0)
- nodename = NULL;
- /* Full node destruction. */
- if (*nargs == 1 && nodename != NULL) {
- /* Check if some volume is still open. */
- force = gctl_get_paraml(req, "force", sizeof(*force));
- if (force != NULL && *force == 0 &&
- g_raid_nopens(sc) != 0) {
- gctl_error(req, "Some volume is still open.");
- return (-4);
- }
- TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
- if (disk->d_consumer)
- intel_meta_erase(disk->d_consumer);
- }
- g_raid_destroy_node(sc, 0);
- return (0);
- }
- /* Destroy specified volume. If it was last - all node. */
- if (*nargs > 2) {
- gctl_error(req, "Invalid number of arguments.");
- return (-1);
- }
- volname = gctl_get_asciiparam(req,
- nodename != NULL ? "arg1" : "arg0");
- if (volname == NULL) {
- gctl_error(req, "No volume name.");
- return (-2);
- }
- /* Search for volume. */
- TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
- if (strcmp(vol->v_name, volname) == 0)
- break;
- pp = vol->v_provider;
- if (pp == NULL)
- continue;
- if (strcmp(pp->name, volname) == 0)
- break;
- if (strncmp(pp->name, "raid/", 5) == 0 &&
- strcmp(pp->name + 5, volname) == 0)
- break;
- }
- if (vol == NULL) {
- i = strtol(volname, &tmp, 10);
- if (verb != volname && tmp[0] == 0) {
- TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
- if (vol->v_global_id == i)
- break;
- }
- }
- }
- if (vol == NULL) {
- gctl_error(req, "Volume '%s' not found.", volname);
- return (-3);
- }
- /* Check if volume is still open. */
- force = gctl_get_paraml(req, "force", sizeof(*force));
- if (force != NULL && *force == 0 &&
- vol->v_provider_open != 0) {
- gctl_error(req, "Volume is still open.");
- return (-4);
- }
- /* Destroy volume and potentially node. */
- i = 0;
- TAILQ_FOREACH(vol1, &sc->sc_volumes, v_next)
- i++;
- if (i >= 2) {
- g_raid_destroy_volume(vol);
- g_raid_md_write_intel(md, NULL, NULL, NULL);
- } else {
- TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
- if (disk->d_consumer)
- intel_meta_erase(disk->d_consumer);
- }
- g_raid_destroy_node(sc, 0);
- }
- return (0);
- }
- if (strcmp(verb, "remove") == 0 ||
- strcmp(verb, "fail") == 0) {
- if (*nargs < 2) {
- gctl_error(req, "Invalid number of arguments.");
- return (-1);
- }
- for (i = 1; i < *nargs; i++) {
- snprintf(arg, sizeof(arg), "arg%d", i);
- diskname = gctl_get_asciiparam(req, arg);
- if (diskname == NULL) {
- gctl_error(req, "No disk name (%s).", arg);
- error = -2;
- break;
- }
- if (strncmp(diskname, _PATH_DEV, 5) == 0)
- diskname += 5;
- TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
- if (disk->d_consumer != NULL &&
- disk->d_consumer->provider != NULL &&
- strcmp(disk->d_consumer->provider->name,
- diskname) == 0)
- break;
- }
- if (disk == NULL) {
- gctl_error(req, "Disk '%s' not found.",
- diskname);
- error = -3;
- break;
- }
- if (strcmp(verb, "fail") == 0) {
- g_raid_md_fail_disk_intel(md, NULL, disk);
- continue;
- }
- pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
- /* Erase metadata on deleting disk. */
- intel_meta_erase(disk->d_consumer);
- /* If disk was assigned, just update statuses. */
- if (pd->pd_disk_pos >= 0) {
- g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
- g_raid_kill_consumer(sc, disk->d_consumer);
- disk->d_consumer = NULL;
- TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_NONE);
- g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
- G_RAID_EVENT_SUBDISK);
- }
- } else {
- /* Otherwise -- delete. */
- g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
- g_raid_destroy_disk(disk);
- }
- }
- /* Write updated metadata to remaining disks. */
- g_raid_md_write_intel(md, NULL, NULL, NULL);
- /* Check if anything left except placeholders. */
- if (g_raid_ndisks(sc, -1) ==
- g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
- g_raid_destroy_node(sc, 0);
- else
- g_raid_md_intel_refill(sc);
- return (error);
- }
- if (strcmp(verb, "insert") == 0) {
- if (*nargs < 2) {
- gctl_error(req, "Invalid number of arguments.");
- return (-1);
- }
- update = 0;
- for (i = 1; i < *nargs; i++) {
- /* Get disk name. */
- snprintf(arg, sizeof(arg), "arg%d", i);
- diskname = gctl_get_asciiparam(req, arg);
- if (diskname == NULL) {
- gctl_error(req, "No disk name (%s).", arg);
- error = -3;
- break;
- }
- /* Try to find provider with specified name. */
- g_topology_lock();
- cp = g_raid_open_consumer(sc, diskname);
- if (cp == NULL) {
- gctl_error(req, "Can't open disk '%s'.",
- diskname);
- g_topology_unlock();
- error = -4;
- break;
- }
- pp = cp->provider;
- g_topology_unlock();
- /* Read disk serial. */
- error = g_raid_md_get_label(cp,
- &serial[0], INTEL_SERIAL_LEN);
- if (error != 0) {
- gctl_error(req,
- "Can't get serial for provider '%s'.",
- diskname);
- g_raid_kill_consumer(sc, cp);
- error = -7;
- break;
- }
- pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
- pd->pd_disk_pos = -1;
- disk = g_raid_create_disk(sc);
- disk->d_consumer = cp;
- disk->d_md_data = (void *)pd;
- cp->private = disk;
- g_raid_get_disk_info(disk);
- memcpy(&pd->pd_disk_meta.serial[0], &serial[0],
- INTEL_SERIAL_LEN);
- intel_set_disk_sectors(&pd->pd_disk_meta,
- pp->mediasize / pp->sectorsize);
- pd->pd_disk_meta.id = 0;
- pd->pd_disk_meta.flags = INTEL_F_SPARE;
- /* Welcome the "new" disk. */
- update += g_raid_md_intel_start_disk(disk);
- if (disk->d_state == G_RAID_DISK_S_SPARE) {
- intel_meta_write_spare(cp, &pd->pd_disk_meta);
- g_raid_destroy_disk(disk);
- } else if (disk->d_state != G_RAID_DISK_S_ACTIVE) {
- gctl_error(req, "Disk '%s' doesn't fit.",
- diskname);
- g_raid_destroy_disk(disk);
- error = -8;
- break;
- }
- }
- /* Write new metadata if we changed something. */
- if (update)
- g_raid_md_write_intel(md, NULL, NULL, NULL);
- return (error);
- }
- return (-100);
- }
- static int
- g_raid_md_write_intel(struct g_raid_md_object *md, struct g_raid_volume *tvol,
- struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
- {
- struct g_raid_softc *sc;
- struct g_raid_volume *vol;
- struct g_raid_subdisk *sd;
- struct g_raid_disk *disk;
- struct g_raid_md_intel_object *mdi;
- struct g_raid_md_intel_pervolume *pv;
- struct g_raid_md_intel_perdisk *pd;
- struct intel_raid_conf *meta;
- struct intel_raid_vol *mvol;
- struct intel_raid_map *mmap0, *mmap1;
- off_t sectorsize = 512, pos;
- const char *version, *cv;
- int vi, sdi, numdisks, len, state, stale;
- sc = md->mdo_softc;
- mdi = (struct g_raid_md_intel_object *)md;
- if (sc->sc_stopping == G_RAID_DESTROY_HARD)
- return (0);
- /* Bump generation. Newly written metadata may differ from previous. */
- mdi->mdio_generation++;
- /* Count number of disks. */
- numdisks = 0;
- TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
- pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
- if (pd->pd_disk_pos < 0)
- continue;
- numdisks++;
- if (disk->d_state == G_RAID_DISK_S_ACTIVE) {
- pd->pd_disk_meta.flags =
- INTEL_F_ONLINE | INTEL_F_ASSIGNED;
- } else if (disk->d_state == G_RAID_DISK_S_FAILED) {
- pd->pd_disk_meta.flags = INTEL_F_FAILED |
- INTEL_F_ASSIGNED;
- } else if (disk->d_state == G_RAID_DISK_S_DISABLED) {
- pd->pd_disk_meta.flags = INTEL_F_FAILED |
- INTEL_F_ASSIGNED | INTEL_F_DISABLED;
- } else {
- if (!(pd->pd_disk_meta.flags & INTEL_F_DISABLED))
- pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
- if (pd->pd_disk_meta.id != 0xffffffff) {
- pd->pd_disk_meta.id = 0xffffffff;
- len = strlen(pd->pd_disk_meta.serial);
- len = min(len, INTEL_SERIAL_LEN - 3);
- strcpy(pd->pd_disk_meta.serial + len, ":0");
- }
- }
- }
- /* Fill anchor and disks. */
- meta = malloc(INTEL_MAX_MD_SIZE(numdisks),
- M_MD_INTEL, M_WAITOK | M_ZERO);
- memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1);
- meta->config_size = INTEL_MAX_MD_SIZE(numdisks);
- meta->config_id = mdi->mdio_config_id;
- meta->orig_config_id = mdi->mdio_orig_config_id;
- meta->generation = mdi->mdio_generation;
- meta->attributes = INTEL_ATTR_CHECKSUM;
- meta->total_disks = numdisks;
- TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
- pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
- if (pd->pd_disk_pos < 0)
- continue;
- meta->disk[pd->pd_disk_pos] = pd->pd_disk_meta;
- if (pd->pd_disk_meta.sectors_hi != 0)
- meta->attributes |= INTEL_ATTR_2TB_DISK;
- }
- /* Fill volumes and maps. */
- vi = 0;
- version = INTEL_VERSION_1000;
- TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
- pv = vol->v_md_data;
- if (vol->v_stopping)
- continue;
- mvol = intel_get_volume(meta, vi);
- /* New metadata may have different volumes order. */
- pv->pv_volume_pos = vi;
- for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
- sd = &vol->v_subdisks[sdi];
- if (sd->sd_disk != NULL)
- break;
- }
- if (sdi >= vol->v_disks_count)
- panic("No any filled subdisk in volume");
- if (vol->v_mediasize >= 0x20000000000llu)
- meta->attributes |= INTEL_ATTR_2TB;
- if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
- meta->attributes |= INTEL_ATTR_RAID0;
- else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
- meta->attributes |= INTEL_ATTR_RAID1;
- else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
- meta->attributes |= INTEL_ATTR_RAID5;
- else if ((vol->v_disks_count & 1) == 0)
- meta->attributes |= INTEL_ATTR_RAID10;
- else
- meta->attributes |= INTEL_ATTR_RAID1E;
- if (pv->pv_cng)
- meta->attributes |= INTEL_ATTR_RAIDCNG;
- if (vol->v_strip_size > 131072)
- meta->attributes |= INTEL_ATTR_EXT_STRIP;
- if (pv->pv_cng)
- cv = INTEL_VERSION_1206;
- else if (vol->v_disks_count > 4)
- cv = INTEL_VERSION_1204;
- else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
- cv = INTEL_VERSION_1202;
- else if (vol->v_disks_count > 2)
- cv = INTEL_VERSION_1201;
- else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
- cv = INTEL_VERSION_1100;
- else
- cv = INTEL_VERSION_1000;
- if (strcmp(cv, version) > 0)
- version = cv;
- strlcpy(&mvol->name[0], vol->v_name, sizeof(mvol->name));
- mvol->total_sectors = vol->v_mediasize / sectorsize;
- mvol->state = (INTEL_ST_READ_COALESCING |
- INTEL_ST_WRITE_COALESCING);
- mvol->tid = vol->v_global_id + 1;
- if (pv->pv_cng) {
- mvol->state |= INTEL_ST_CLONE_N_GO;
- if (pv->pv_cng_man_sync)
- mvol->state |= INTEL_ST_CLONE_MAN_SYNC;
- mvol->cng_master_disk = pv->pv_cng_master_disk;
- if (vol->v_subdisks[pv->pv_cng_master_disk].sd_state ==
- G_RAID_SUBDISK_S_NONE)
- mvol->cng_state = INTEL_CNGST_MASTER_MISSING;
- else if (vol->v_state != G_RAID_VOLUME_S_OPTIMAL)
- mvol->cng_state = INTEL_CNGST_NEEDS_UPDATE;
- else
- mvol->cng_state = INTEL_CNGST_UPDATED;
- }
- /* Check for any recovery in progress. */
- state = G_RAID_SUBDISK_S_ACTIVE;
- pos = 0x7fffffffffffffffllu;
- stale = 0;
- for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
- sd = &vol->v_subdisks[sdi];
- if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD)
- state = G_RAID_SUBDISK_S_REBUILD;
- else if (sd->sd_state == G_RAID_SUBDISK_S_RESYNC &&
- state != G_RAID_SUBDISK_S_REBUILD)
- state = G_RAID_SUBDISK_S_RESYNC;
- else if (sd->sd_state == G_RAID_SUBDISK_S_STALE)
- stale = 1;
- if ((sd->sd_state == G_RAID_SUBDISK_S_REBUILD ||
- sd->sd_state == G_RAID_SUBDISK_S_RESYNC) &&
- sd->sd_rebuild_pos < pos)
- pos = sd->sd_rebuild_pos;
- }
- if (state == G_RAID_SUBDISK_S_REBUILD) {
- mvol->migr_state = 1;
- mvol->migr_type = INTEL_MT_REBUILD;
- } else if (state == G_RAID_SUBDISK_S_RESYNC) {
- mvol->migr_state = 1;
- /* mvol->migr_type = INTEL_MT_REPAIR; */
- mvol->migr_type = INTEL_MT_VERIFY;
- mvol->state |= INTEL_ST_VERIFY_AND_FIX;
- } else
- mvol->migr_state = 0;
- mvol->dirty = (vol->v_dirty || stale);
- mmap0 = intel_get_map(mvol, 0);
- /* Write map / common part of two maps. */
- intel_set_map_offset(mmap0, sd->sd_offset / sectorsize);
- intel_set_map_disk_sectors(mmap0, sd->sd_size / sectorsize);
- mmap0->strip_sectors = vol->v_strip_size / sectorsize;
- if (vol->v_state == G_RAID_VOLUME_S_BROKEN)
- mmap0->status = INTEL_S_FAILURE;
- else if (vol->v_state == G_RAID_VOLUME_S_DEGRADED)
- mmap0->status = INTEL_S_DEGRADED;
- else if (g_raid_nsubdisks(vol, G_RAID_SUBDISK_S_UNINITIALIZED)
- == g_raid_nsubdisks(vol, -1))
- mmap0->status = INTEL_S_UNINITIALIZED;
- else
- mmap0->status = INTEL_S_READY;
- if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
- mmap0->type = INTEL_T_RAID0;
- else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 ||
- vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
- mmap0->type = INTEL_T_RAID1;
- else
- mmap0->type = INTEL_T_RAID5;
- mmap0->total_disks = vol->v_disks_count;
- if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
- mmap0->total_domains = vol->v_disks_count;
- else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
- mmap0->total_domains = 2;
- else
- mmap0->total_domains = 1;
- intel_set_map_stripe_count(mmap0,
- sd->sd_size / vol->v_strip_size / mmap0->total_domains);
- mmap0->failed_disk_num = 0xff;
- mmap0->ddf = 1;
- /* If there are two maps - copy common and update. */
- if (mvol->migr_state) {
- intel_set_vol_curr_migr_unit(mvol,
- pos / vol->v_strip_size / mmap0->total_domains);
- mmap1 = intel_get_map(mvol, 1);
- memcpy(mmap1, mmap0, sizeof(struct intel_raid_map));
- mmap0->status = INTEL_S_READY;
- } else
- mmap1 = NULL;
- /* Write disk indexes and put rebuild flags. */
- for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
- sd = &vol->v_subdisks[sdi];
- pd = (struct g_raid_md_intel_perdisk *)
- sd->sd_disk->d_md_data;
- mmap0->disk_idx[sdi] = pd->pd_disk_pos;
- if (mvol->migr_state)
- mmap1->disk_idx[sdi] = pd->pd_disk_pos;
- if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD ||
- sd->sd_state == G_RAID_SUBDISK_S_RESYNC) {
- mmap1->disk_idx[sdi] |= INTEL_DI_RBLD;
- } else if (sd->sd_state != G_RAID_SUBDISK_S_ACTIVE &&
- sd->sd_state != G_RAID_SUBDISK_S_STALE &&
- sd->sd_state != G_RAID_SUBDISK_S_UNINITIALIZED) {
- mmap0->disk_idx[sdi] |= INTEL_DI_RBLD;
- if (mvol->migr_state)
- mmap1->disk_idx[sdi] |= INTEL_DI_RBLD;
- }
- if ((sd->sd_state == G_RAID_SUBDISK_S_NONE ||
- sd->sd_state == G_RAID_SUBDISK_S_FAILED ||
- sd->sd_state == G_RAID_SUBDISK_S_REBUILD) &&
- mmap0->failed_disk_num == 0xff) {
- mmap0->failed_disk_num = sdi;
- if (mvol->migr_state)
- mmap1->failed_disk_num = sdi;
- }
- }
- vi++;
- }
- meta->total_volumes = vi;
- if (vi > 1 || meta->attributes &
- (INTEL_ATTR_EXT_STRIP | INTEL_ATTR_2TB_DISK | INTEL_ATTR_2TB))
- version = INTEL_VERSION_1300;
- if (strcmp(version, INTEL_VERSION_1300) < 0)
- meta->attributes &= INTEL_ATTR_CHECKSUM;
- memcpy(&meta->version[0], version, sizeof(INTEL_VERSION_1000) - 1);
- /* We are done. Print meta data and store them to disks. */
- g_raid_md_intel_print(meta);
- if (mdi->mdio_meta != NULL)
- free(mdi->mdio_meta, M_MD_INTEL);
- mdi->mdio_meta = meta;
- TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
- pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
- if (disk->d_state != G_RAID_DISK_S_ACTIVE)
- continue;
- if (pd->pd_meta != NULL) {
- free(pd->pd_meta, M_MD_INTEL);
- pd->pd_meta = NULL;
- }
- pd->pd_meta = intel_meta_copy(meta);
- intel_meta_write(disk->d_consumer, meta);
- }
- return (0);
- }
- static int
- g_raid_md_fail_disk_intel(struct g_raid_md_object *md,
- struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
- {
- struct g_raid_softc *sc;
- struct g_raid_md_intel_object *mdi;
- struct g_raid_md_intel_perdisk *pd;
- struct g_raid_subdisk *sd;
- sc = md->mdo_softc;
- mdi = (struct g_raid_md_intel_object *)md;
- pd = (struct g_raid_md_intel_perdisk *)tdisk->d_md_data;
- /* We can't fail disk that is not a part of array now. */
- if (pd->pd_disk_pos < 0)
- return (-1);
- /*
- * Mark disk as failed in metadata and try to write that metadata
- * to the disk itself to prevent it's later resurrection as STALE.
- */
- mdi->mdio_meta->disk[pd->pd_disk_pos].flags = INTEL_F_FAILED;
- pd->pd_disk_meta.flags = INTEL_F_FAILED;
- g_raid_md_intel_print(mdi->mdio_meta);
- if (tdisk->d_consumer)
- intel_meta_write(tdisk->d_consumer, mdi->mdio_meta);
- /* Change states. */
- g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED);
- TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) {
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_FAILED);
- g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED,
- G_RAID_EVENT_SUBDISK);
- }
- /* Write updated metadata to remaining disks. */
- g_raid_md_write_intel(md, NULL, NULL, tdisk);
- /* Check if anything left except placeholders. */
- if (g_raid_ndisks(sc, -1) ==
- g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
- g_raid_destroy_node(sc, 0);
- else
- g_raid_md_intel_refill(sc);
- return (0);
- }
- static int
- g_raid_md_free_disk_intel(struct g_raid_md_object *md,
- struct g_raid_disk *disk)
- {
- struct g_raid_md_intel_perdisk *pd;
- pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
- if (pd->pd_meta != NULL) {
- free(pd->pd_meta, M_MD_INTEL);
- pd->pd_meta = NULL;
- }
- free(pd, M_MD_INTEL);
- disk->d_md_data = NULL;
- return (0);
- }
- static int
- g_raid_md_free_volume_intel(struct g_raid_md_object *md,
- struct g_raid_volume *vol)
- {
- struct g_raid_md_intel_pervolume *pv;
- pv = (struct g_raid_md_intel_pervolume *)vol->v_md_data;
- free(pv, M_MD_INTEL);
- vol->v_md_data = NULL;
- return (0);
- }
- static int
- g_raid_md_free_intel(struct g_raid_md_object *md)
- {
- struct g_raid_md_intel_object *mdi;
- mdi = (struct g_raid_md_intel_object *)md;
- if (!mdi->mdio_started) {
- mdi->mdio_started = 0;
- callout_stop(&mdi->mdio_start_co);
- G_RAID_DEBUG1(1, md->mdo_softc,
- "root_mount_rel %p", mdi->mdio_rootmount);
- root_mount_rel(mdi->mdio_rootmount);
- mdi->mdio_rootmount = NULL;
- }
- if (mdi->mdio_meta != NULL) {
- free(mdi->mdio_meta, M_MD_INTEL);
- mdi->mdio_meta = NULL;
- }
- return (0);
- }
- G_RAID_MD_DECLARE(intel, "Intel");
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