md_jmicron.c revision 302408
1492SN/A/*- 21929Sihse * Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org> 3492SN/A * Copyright (c) 2000 - 2008 S��ren Schmidt <sos@FreeBSD.org> 4492SN/A * All rights reserved. 5492SN/A * 6492SN/A * Redistribution and use in source and binary forms, with or without 7492SN/A * modification, are permitted provided that the following conditions 8492SN/A * are met: 9492SN/A * 1. Redistributions of source code must retain the above copyright 10492SN/A * notice, this list of conditions and the following disclaimer. 11492SN/A * 2. Redistributions in binary form must reproduce the above copyright 12492SN/A * notice, this list of conditions and the following disclaimer in the 13492SN/A * documentation and/or other materials provided with the distribution. 14492SN/A * 15492SN/A * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 16492SN/A * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17492SN/A * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18492SN/A * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 19492SN/A * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20492SN/A * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21492SN/A * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22492SN/A * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23492SN/A * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24492SN/A * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25492SN/A * SUCH DAMAGE. 261120Schegar */ 271120Schegar 281120Schegar#include <sys/cdefs.h> 291410Sihse__FBSDID("$FreeBSD: stable/11/sys/geom/raid/md_jmicron.c 286615 2015-08-11 03:12:09Z pfg $"); 301120Schegar 311120Schegar#include <sys/param.h> 321120Schegar#include <sys/bio.h> 33492SN/A#include <sys/endian.h> 341410Sihse#include <sys/kernel.h> 351410Sihse#include <sys/kobj.h> 361410Sihse#include <sys/limits.h> 371410Sihse#include <sys/lock.h> 38492SN/A#include <sys/malloc.h> 39492SN/A#include <sys/mutex.h> 40492SN/A#include <sys/systm.h> 411410Sihse#include <sys/taskqueue.h> 421120Schegar#include <geom/geom.h> 43837SN/A#include "geom/raid/g_raid.h" 44910Sihse#include "g_raid_md_if.h" 451131Serikj 46492SN/Astatic MALLOC_DEFINE(M_MD_JMICRON, "md_jmicron_data", "GEOM_RAID JMicron metadata"); 471120Schegar 481236Sihse#define JMICRON_MAX_DISKS 8 491120Schegar#define JMICRON_MAX_SPARE 2 501120Schegar 511120Schegarstruct jmicron_raid_conf { 52968Sihse u_int8_t signature[2]; 53968Sihse#define JMICRON_MAGIC "JM" 54492SN/A 551120Schegar u_int16_t version; 561804Serikj#define JMICRON_VERSION 0x0001 571120Schegar 581120Schegar u_int16_t checksum; 591120Schegar u_int8_t filler_1[10]; 601120Schegar u_int32_t disk_id; 611120Schegar u_int32_t offset; 621120Schegar u_int32_t disk_sectors_high; 631120Schegar u_int16_t disk_sectors_low; 641120Schegar u_int8_t filler_2[2]; 651120Schegar u_int8_t name[16]; 661120Schegar u_int8_t type; 671120Schegar#define JMICRON_T_RAID0 0 682108Serikj#define JMICRON_T_RAID1 1 692108Serikj#define JMICRON_T_RAID01 2 702108Serikj#define JMICRON_T_CONCAT 3 712108Serikj#define JMICRON_T_RAID5 5 721223Schegar 731223Schegar u_int8_t stripe_shift; 742108Serikj u_int16_t flags; 751120Schegar#define JMICRON_F_READY 0x0001 761120Schegar#define JMICRON_F_BOOTABLE 0x0002 772108Serikj#define JMICRON_F_BADSEC 0x0004 781120Schegar#define JMICRON_F_ACTIVE 0x0010 791120Schegar#define JMICRON_F_UNSYNC 0x0020 802108Serikj#define JMICRON_F_NEWEST 0x0040 811600Snaoto 821600Snaoto u_int8_t filler_3[4]; 832108Serikj u_int32_t spare[JMICRON_MAX_SPARE]; 841862Serikj u_int32_t disks[JMICRON_MAX_DISKS]; 852261Serikj#define JMICRON_DISK_MASK 0xFFFFFFF0 862261Serikj#define JMICRON_SEG_MASK 0x0000000F 872261Serikj u_int8_t filler_4[32]; 882399Skvn u_int8_t filler_5[384]; 892399Skvn}; 902399Skvn 912108Serikjstruct g_raid_md_jmicron_perdisk { 921120Schegar struct jmicron_raid_conf *pd_meta; 931659Serikj int pd_disk_pos; 942399Skvn int pd_disk_id; 952399Skvn off_t pd_disk_size; 961120Schegar}; 971120Schegar 981120Schegarstruct g_raid_md_jmicron_object { 991120Schegar struct g_raid_md_object mdio_base; 1001120Schegar uint32_t mdio_config_id; 1011120Schegar struct jmicron_raid_conf *mdio_meta; 1021120Schegar struct callout mdio_start_co; /* STARTING state timer. */ 1031735Sbobv int mdio_total_disks; 1041735Sbobv int mdio_disks_present; 1051735Sbobv int mdio_started; 1062264Serikj int mdio_incomplete; 107492SN/A struct root_hold_token *mdio_rootmount; /* Root mount delay token. */ 1081120Schegar}; 1091120Schegar 1102108Serikjstatic g_raid_md_create_t g_raid_md_create_jmicron; 1112108Serikjstatic g_raid_md_taste_t g_raid_md_taste_jmicron; 1122108Serikjstatic g_raid_md_event_t g_raid_md_event_jmicron; 1132108Serikjstatic g_raid_md_ctl_t g_raid_md_ctl_jmicron; 1142108Serikjstatic g_raid_md_write_t g_raid_md_write_jmicron; 1152108Serikjstatic g_raid_md_fail_disk_t g_raid_md_fail_disk_jmicron; 1162108Serikjstatic g_raid_md_free_disk_t g_raid_md_free_disk_jmicron; 1172108Serikjstatic g_raid_md_free_t g_raid_md_free_jmicron; 1182108Serikj 1192108Serikjstatic kobj_method_t g_raid_md_jmicron_methods[] = { 120492SN/A KOBJMETHOD(g_raid_md_create, g_raid_md_create_jmicron), 1212108Serikj KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_jmicron), 1222108Serikj KOBJMETHOD(g_raid_md_event, g_raid_md_event_jmicron), 1232108Serikj KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_jmicron), 1242108Serikj KOBJMETHOD(g_raid_md_write, g_raid_md_write_jmicron), 125557SN/A KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_jmicron), 1262108Serikj KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_jmicron), 1272108Serikj KOBJMETHOD(g_raid_md_free, g_raid_md_free_jmicron), 1282108Serikj { 0, 0 } 1291961Salanb}; 1302108Serikj 1312108Serikjstatic struct g_raid_md_class g_raid_md_jmicron_class = { 1322108Serikj "JMicron", 1331961Salanb g_raid_md_jmicron_methods, 1342108Serikj sizeof(struct g_raid_md_jmicron_object), 1352108Serikj .mdc_enable = 1, 1361961Salanb .mdc_priority = 100 1371961Salanb}; 1381961Salanb 1392108Serikjstatic void 1402108Serikjg_raid_md_jmicron_print(struct jmicron_raid_conf *meta) 1411961Salanb{ 1422108Serikj int k; 1432108Serikj 1441961Salanb if (g_raid_debug < 1) 1451120Schegar return; 1461120Schegar 1471120Schegar printf("********* ATA JMicron RAID Metadata *********\n"); 1481120Schegar printf("signature <%c%c>\n", meta->signature[0], meta->signature[1]); 1491223Schegar printf("version %04x\n", meta->version); 1501223Schegar printf("checksum 0x%04x\n", meta->checksum); 1511223Schegar printf("disk_id 0x%08x\n", meta->disk_id); 1521223Schegar printf("offset 0x%08x\n", meta->offset); 1531223Schegar printf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high); 1541223Schegar printf("disk_sectors_low 0x%04x\n", meta->disk_sectors_low); 1551120Schegar printf("name <%.16s>\n", meta->name); 1561120Schegar printf("type %d\n", meta->type); 1571120Schegar printf("stripe_shift %d\n", meta->stripe_shift); 1581120Schegar printf("flags %04x\n", meta->flags); 1591120Schegar printf("spare "); 1601223Schegar for (k = 0; k < JMICRON_MAX_SPARE; k++) 1611223Schegar printf(" 0x%08x", meta->spare[k]); 1621223Schegar printf("\n"); 1631223Schegar printf("disks "); 1641223Schegar for (k = 0; k < JMICRON_MAX_DISKS; k++) 1651695Stwisti printf(" 0x%08x", meta->disks[k]); 1661695Stwisti printf("\n"); 1671120Schegar printf("=================================================\n"); 1681961Salanb} 1691961Salanb 1701961Salanbstatic struct jmicron_raid_conf * 1711961Salanbjmicron_meta_copy(struct jmicron_raid_conf *meta) 1721961Salanb{ 1731961Salanb struct jmicron_raid_conf *nmeta; 1741961Salanb 1751961Salanb nmeta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK); 1761961Salanb memcpy(nmeta, meta, sizeof(*meta)); 1771961Salanb return (nmeta); 1781961Salanb} 1791961Salanb 1801961Salanbstatic int 1811961Salanbjmicron_meta_total_disks(struct jmicron_raid_conf *meta) 1821961Salanb{ 1831961Salanb int pos; 1841961Salanb 185607SN/A for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) { 1861120Schegar if (meta->disks[pos] == 0) 1871120Schegar break; 1881961Salanb } 1891120Schegar return (pos); 190492SN/A} 1911120Schegar 1921120Schegarstatic int 1931790Serikjjmicron_meta_total_spare(struct jmicron_raid_conf *meta) 1941790Serikj{ 1951120Schegar int pos, n; 1961120Schegar 1971120Schegar n = 0; 1981120Schegar for (pos = 0; pos < JMICRON_MAX_SPARE; pos++) { 1991120Schegar if (meta->spare[pos] != 0) 2001120Schegar n++; 2011120Schegar } 2021120Schegar return (n); 2031790Serikj} 2041790Serikj 205492SN/A/* 2061120Schegar * Generate fake Configuration ID based on disk IDs. 2071120Schegar * Note: it will change after each disk set change. 2081120Schegar */ 2091120Schegarstatic uint32_t 2101223Schegarjmicron_meta_config_id(struct jmicron_raid_conf *meta) 2111223Schegar{ 2121223Schegar int pos; 2131223Schegar uint32_t config_id; 2141223Schegar 2151120Schegar config_id = 0; 2161120Schegar for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) 2171120Schegar config_id += meta->disks[pos] << pos; 2181120Schegar return (config_id); 2191120Schegar} 2201223Schegar 2211223Schegarstatic void 2221223Schegarjmicron_meta_get_name(struct jmicron_raid_conf *meta, char *buf) 2231223Schegar{ 2241223Schegar int i; 2251223Schegar 226492SN/A strncpy(buf, meta->name, 16); 2271223Schegar buf[16] = 0; 228492SN/A for (i = 15; i >= 0; i--) { 2291120Schegar if (buf[i] > 0x20) 2301120Schegar break; 2311223Schegar buf[i] = 0; 2321223Schegar } 2331223Schegar} 2341223Schegar 2351223Schegarstatic void 2361223Schegarjmicron_meta_put_name(struct jmicron_raid_conf *meta, char *buf) 2371120Schegar{ 2381120Schegar 2391120Schegar memset(meta->name, 0x20, 16); 2401120Schegar memcpy(meta->name, buf, MIN(strlen(buf), 16)); 2411120Schegar} 242492SN/A 2432378Serikjstatic int 2442378Serikjjmicron_meta_find_disk(struct jmicron_raid_conf *meta, uint32_t id) 2452378Serikj{ 2462378Serikj int pos; 2472378Serikj 2482378Serikj id &= JMICRON_DISK_MASK; 2492378Serikj for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) { 2502378Serikj if ((meta->disks[pos] & JMICRON_DISK_MASK) == id) 2512378Serikj return (pos); 2522378Serikj } 2532378Serikj for (pos = 0; pos < JMICRON_MAX_SPARE; pos++) { 2542378Serikj if ((meta->spare[pos] & JMICRON_DISK_MASK) == id) 2552378Serikj return (-3); 2562378Serikj } 2572378Serikj return (-1); 2582378Serikj} 2592378Serikj 2602378Serikjstatic struct jmicron_raid_conf * 2612378Serikjjmicron_meta_read(struct g_consumer *cp) 2622378Serikj{ 2632378Serikj struct g_provider *pp; 2642378Serikj struct jmicron_raid_conf *meta; 2652378Serikj char *buf; 266492SN/A int error, i; 2672024Serikj uint16_t checksum, *ptr; 2682072Serikj 2692024Serikj pp = cp->provider; 2702378Serikj 2712378Serikj /* Read the anchor sector. */ 272643SN/A buf = g_read_data(cp, 2731120Schegar pp->mediasize - pp->sectorsize, pp->sectorsize, &error); 2741120Schegar if (buf == NULL) { 275492SN/A G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).", 2761550Serikj pp->name, error); 2771120Schegar return (NULL); 278492SN/A } 2791550Serikj meta = (struct jmicron_raid_conf *)buf; 2801120Schegar 281492SN/A /* Check if this is an JMicron RAID struct */ 2821550Serikj if (strncmp(meta->signature, JMICRON_MAGIC, strlen(JMICRON_MAGIC))) { 283492SN/A G_RAID_DEBUG(1, "JMicron signature check failed on %s", pp->name); 2841120Schegar g_free(buf); 2851961Salanb return (NULL); 2861961Salanb } 2871961Salanb meta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK); 2881961Salanb memcpy(meta, buf, min(sizeof(*meta), pp->sectorsize)); 2891961Salanb g_free(buf); 2901961Salanb 2911961Salanb /* Check metadata checksum. */ 2921961Salanb for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 64; i++) 2931961Salanb checksum += *ptr++; 2941961Salanb if (checksum != 0) { 2951961Salanb G_RAID_DEBUG(1, "JMicron checksum check failed on %s", pp->name); 2961961Salanb free(meta, M_MD_JMICRON); 2971961Salanb return (NULL); 2981961Salanb } 2991961Salanb 3001961Salanb return (meta); 3011961Salanb} 3021961Salanb 3031961Salanbstatic int 3041961Salanbjmicron_meta_write(struct g_consumer *cp, struct jmicron_raid_conf *meta) 3051961Salanb{ 3061961Salanb struct g_provider *pp; 3071961Salanb char *buf; 3081961Salanb int error, i; 3091961Salanb uint16_t checksum, *ptr; 310492SN/A 3112342Sihse pp = cp->provider; 3122342Sihse 3132119Serikj /* Recalculate checksum for case if metadata were changed. */ 3142342Sihse meta->checksum = 0; 3152342Sihse for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 64; i++) 316492SN/A checksum += *ptr++; 3171317Sihse meta->checksum -= checksum; 3181120Schegar 3192092Serikj /* Create and fill buffer. */ 3202092Serikj buf = malloc(pp->sectorsize, M_MD_JMICRON, M_WAITOK | M_ZERO); 3212092Serikj memcpy(buf, meta, sizeof(*meta)); 3222092Serikj 3232092Serikj error = g_write_data(cp, 3242092Serikj pp->mediasize - pp->sectorsize, buf, pp->sectorsize); 3252092Serikj if (error != 0) { 3261223Schegar G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).", 3271223Schegar pp->name, error); 3281223Schegar } 3291223Schegar 3301223Schegar free(buf, M_MD_JMICRON); 3311223Schegar return (error); 3321223Schegar} 3331223Schegar 3341223Schegarstatic int 3351223Schegarjmicron_meta_erase(struct g_consumer *cp) 3362264Serikj{ 3372264Serikj struct g_provider *pp; 3382264Serikj char *buf; 3392264Serikj int error; 3402264Serikj 3412264Serikj pp = cp->provider; 3422264Serikj buf = malloc(pp->sectorsize, M_MD_JMICRON, M_WAITOK | M_ZERO); 3432264Serikj error = g_write_data(cp, 3441223Schegar pp->mediasize - pp->sectorsize, buf, pp->sectorsize); 3451223Schegar if (error != 0) { 3461223Schegar G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).", 3471223Schegar pp->name, error); 3481550Serikj } 3491223Schegar free(buf, M_MD_JMICRON); 3501223Schegar return (error); 3512352Serikj} 3522352Serikj 3532352Serikjstatic struct g_raid_disk * 3542261Serikjg_raid_md_jmicron_get_disk(struct g_raid_softc *sc, int id) 3552261Serikj{ 3562261Serikj struct g_raid_disk *disk; 3572342Sihse struct g_raid_md_jmicron_perdisk *pd; 3582264Serikj 3592264Serikj TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 3602352Serikj pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data; 3611120Schegar if (pd->pd_disk_pos == id) 3621120Schegar break; 3631120Schegar } 3641120Schegar return (disk); 3651120Schegar} 3662301Sihse 3671120Schegarstatic int 3682301Sihseg_raid_md_jmicron_supported(int level, int qual, int disks, int force) 3692301Sihse{ 3701120Schegar 3712301Sihse if (disks > 8) 3722301Sihse return (0); 3732016Sneugens switch (level) { 3742301Sihse case G_RAID_VOLUME_RL_RAID0: 3751120Schegar if (disks < 1) 3761120Schegar return (0); 3771961Salanb if (!force && (disks < 2 || disks > 6)) 3781961Salanb return (0); 3792052Sredestad break; 3801961Salanb case G_RAID_VOLUME_RL_RAID1: 3812052Sredestad if (disks < 1) 3822052Sredestad return (0); 3831961Salanb if (!force && (disks != 2)) 3841961Salanb return (0); 3851961Salanb break; 3861961Salanb case G_RAID_VOLUME_RL_RAID1E: 3871961Salanb if (disks < 2) 3882052Sredestad return (0); 3891961Salanb if (!force && (disks != 4)) 3901961Salanb return (0); 3911961Salanb break; 3921961Salanb case G_RAID_VOLUME_RL_SINGLE: 3931961Salanb if (disks != 1) 3941961Salanb return (0); 3952052Sredestad if (!force) 3962052Sredestad return (0); 3972052Sredestad break; 3982279Serikj case G_RAID_VOLUME_RL_CONCAT: 3992052Sredestad if (disks < 2) 4002052Sredestad return (0); 4012317Serikj break; 4022317Serikj case G_RAID_VOLUME_RL_RAID5: 4032317Serikj if (disks < 3) 4042317Serikj return (0); 4052317Serikj if (qual != G_RAID_VOLUME_RLQ_R5LA) 4062317Serikj return (0); 4072317Serikj if (!force) 4082317Serikj return (0); 4092317Serikj break; 4102317Serikj default: 4112317Serikj return (0); 4122317Serikj } 4132317Serikj if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE) 4142317Serikj return (0); 4152052Sredestad return (1); 4162052Sredestad} 4172052Sredestad 4182096Serikjstatic int 4192317Serikjg_raid_md_jmicron_start_disk(struct g_raid_disk *disk) 4202317Serikj{ 4212096Serikj struct g_raid_softc *sc; 4222052Sredestad struct g_raid_subdisk *sd, *tmpsd; 4232317Serikj struct g_raid_disk *olddisk, *tmpdisk; 4241961Salanb struct g_raid_md_object *md; 4251961Salanb struct g_raid_md_jmicron_object *mdi; 4261345Sihse struct g_raid_md_jmicron_perdisk *pd, *oldpd; 4271345Sihse struct jmicron_raid_conf *meta; 4281345Sihse int disk_pos, resurrection = 0; 4291345Sihse 4301345Sihse sc = disk->d_softc; 4311345Sihse md = sc->sc_md; 4321345Sihse mdi = (struct g_raid_md_jmicron_object *)md; 4331345Sihse meta = mdi->mdio_meta; 4341345Sihse pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data; 4351345Sihse olddisk = NULL; 4361345Sihse 4371345Sihse /* Find disk position in metadata by it's serial. */ 4381345Sihse if (pd->pd_meta != NULL) 4391345Sihse disk_pos = jmicron_meta_find_disk(meta, pd->pd_disk_id); 4401120Schegar else 4411345Sihse disk_pos = -1; 4421345Sihse if (disk_pos < 0) { 4431345Sihse G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk"); 4441345Sihse /* If we are in the start process, that's all for now. */ 4451345Sihse if (!mdi->mdio_started) 4461345Sihse goto nofit; 4471345Sihse /* 4481345Sihse * If we have already started - try to get use of the disk. 4492079Siignatyev * Try to replace OFFLINE disks first, then FAILED. 4502079Siignatyev */ 4512079Siignatyev TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) { 4522079Siignatyev if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE && 4532079Siignatyev tmpdisk->d_state != G_RAID_DISK_S_FAILED) 4541641Sihse continue; 4551641Sihse /* Make sure this disk is big enough. */ 4561641Sihse TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) { 4572017Serikj if (sd->sd_offset + sd->sd_size + 512 > 4582017Serikj pd->pd_disk_size) { 4592017Serikj G_RAID_DEBUG1(1, sc, 4602013Serikj "Disk too small (%ju < %ju)", 4612013Serikj pd->pd_disk_size, 4622013Serikj sd->sd_offset + sd->sd_size + 512); 4632017Serikj break; 4642017Serikj } 4652013Serikj } 4662013Serikj if (sd != NULL) 4672013Serikj continue; 4682017Serikj if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) { 4692017Serikj olddisk = tmpdisk; 4702013Serikj break; 4712013Serikj } else if (olddisk == NULL) 4722017Serikj olddisk = tmpdisk; 4732013Serikj } 4741345Sihse if (olddisk == NULL) { 4751345Sihsenofit: 4762013Serikj if (disk_pos == -3 || pd->pd_disk_pos == -3) { 4772079Siignatyev g_raid_change_disk_state(disk, 4781345Sihse G_RAID_DISK_S_SPARE); 4791345Sihse return (1); 4801345Sihse } else { 4811345Sihse g_raid_change_disk_state(disk, 4821345Sihse G_RAID_DISK_S_STALE); 4831120Schegar return (0); 4842086Sehelin } 4851345Sihse } 4861739Sehelin oldpd = (struct g_raid_md_jmicron_perdisk *)olddisk->d_md_data; 4872086Sehelin disk_pos = oldpd->pd_disk_pos; 4881739Sehelin resurrection = 1; 4891345Sihse } 4902086Sehelin 4911345Sihse if (olddisk == NULL) { 4921738Sehelin /* Find placeholder by position. */ 4932086Sehelin olddisk = g_raid_md_jmicron_get_disk(sc, disk_pos); 4942086Sehelin if (olddisk == NULL) 4952086Sehelin panic("No disk at position %d!", disk_pos); 4962086Sehelin if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) { 4971738Sehelin G_RAID_DEBUG1(1, sc, "More than one disk for pos %d", 4981345Sihse disk_pos); 4992086Sehelin g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE); 5001120Schegar return (0); 5011120Schegar } 5021120Schegar oldpd = (struct g_raid_md_jmicron_perdisk *)olddisk->d_md_data; 5031120Schegar } 5041739Sehelin 5052086Sehelin /* Replace failed disk or placeholder with new disk. */ 5061120Schegar TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) { 5071120Schegar TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next); 5082084Serikj TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 5092084Serikj sd->sd_disk = disk; 5102084Serikj } 5112084Serikj oldpd->pd_disk_pos = -2; 5122084Serikj pd->pd_disk_pos = disk_pos; 5132084Serikj /* Update global metadata just in case. */ 5142084Serikj meta->disks[disk_pos] = pd->pd_disk_id; 5152084Serikj 5162084Serikj /* If it was placeholder -- destroy it. */ 5172084Serikj if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) { 5182084Serikj g_raid_destroy_disk(olddisk); 5192084Serikj } else { 5202084Serikj /* Otherwise, make it STALE_FAILED. */ 5212084Serikj g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED); 5221120Schegar } 5231120Schegar 5241120Schegar /* Welcome the new disk. */ 5251120Schegar g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE); 5261120Schegar TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 5271120Schegar 5281120Schegar /* 5291120Schegar * Different disks may have different sizes/offsets, 5301120Schegar * especially in concat mode. Update. 5311236Sihse */ 5321120Schegar if (!resurrection) { 5331236Sihse sd->sd_offset = 5341120Schegar (off_t)pd->pd_meta->offset * 16 * 512; //ZZZ 5351120Schegar sd->sd_size = 5361120Schegar (((off_t)pd->pd_meta->disk_sectors_high << 16) + 5371120Schegar pd->pd_meta->disk_sectors_low) * 512; 5381120Schegar } 5391120Schegar 5401120Schegar if (resurrection) { 5411236Sihse /* Stale disk, almost same as new. */ 5421236Sihse g_raid_change_subdisk_state(sd, 5431120Schegar G_RAID_SUBDISK_S_NEW); 5441236Sihse } else if ((meta->flags & JMICRON_F_BADSEC) != 0 && 5451120Schegar (pd->pd_meta->flags & JMICRON_F_BADSEC) == 0) { 5461120Schegar /* Cold-inserted or rebuilding disk. */ 5471120Schegar g_raid_change_subdisk_state(sd, 5481223Schegar G_RAID_SUBDISK_S_NEW); 5491223Schegar } else if (pd->pd_meta->flags & JMICRON_F_UNSYNC) { 5501120Schegar /* Dirty or resyncing disk.. */ 5511120Schegar g_raid_change_subdisk_state(sd, 5521600Snaoto G_RAID_SUBDISK_S_STALE); 5531120Schegar } else { 5542399Skvn /* Up to date disk. */ 5552399Skvn g_raid_change_subdisk_state(sd, 5562261Serikj G_RAID_SUBDISK_S_ACTIVE); 5572261Serikj } 5581120Schegar g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 5591120Schegar G_RAID_EVENT_SUBDISK); 5602399Skvn } 5611695Stwisti 5621223Schegar /* Update status of our need for spare. */ 5631120Schegar if (mdi->mdio_started) { 5641961Salanb mdi->mdio_incomplete = 5651961Salanb (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) < 5661223Schegar mdi->mdio_total_disks); 5671120Schegar } 5681120Schegar 5691120Schegar return (resurrection); 5701659Serikj} 5711120Schegar 5721550Serikjstatic void 5731550Serikjg_disk_md_jmicron_retaste(void *arg, int pending) 5742378Serikj{ 5752378Serikj 5762378Serikj G_RAID_DEBUG(1, "Array is not complete, trying to retaste."); 5772378Serikj g_retaste(&g_raid_class); 5782378Serikj free(arg, M_MD_JMICRON); 5792378Serikj} 5802024Serikj 5812024Serikjstatic void 5821735Sbobvg_raid_md_jmicron_refill(struct g_raid_softc *sc) 5831735Sbobv{ 5842378Serikj struct g_raid_md_object *md; 5852378Serikj struct g_raid_md_jmicron_object *mdi; 5861120Schegar struct g_raid_disk *disk; 5871120Schegar struct task *task; 5881120Schegar int update, na; 5891735Sbobv 5901735Sbobv md = sc->sc_md; 5911735Sbobv mdi = (struct g_raid_md_jmicron_object *)md; 5921735Sbobv update = 0; 5931130Serikj do { 5941130Serikj /* Make sure we miss anything. */ 5951130Serikj na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE); 5962284Serikj if (na == mdi->mdio_total_disks) 5971120Schegar break; 5981120Schegar 5991120Schegar G_RAID_DEBUG1(1, md->mdo_softc, 6001120Schegar "Array is not complete (%d of %d), " 6011120Schegar "trying to refill.", na, mdi->mdio_total_disks); 6021120Schegar 6031120Schegar /* Try to get use some of STALE disks. */ 6041120Schegar TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 6051120Schegar if (disk->d_state == G_RAID_DISK_S_STALE) { 6061120Schegar update += g_raid_md_jmicron_start_disk(disk); 6071120Schegar if (disk->d_state == G_RAID_DISK_S_ACTIVE) 6081120Schegar break; 6091120Schegar } 6102052Sredestad } 6112052Sredestad if (disk != NULL) 6122052Sredestad continue; 6131961Salanb 6142052Sredestad /* Try to get use some of SPARE disks. */ 6151961Salanb TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 6161120Schegar if (disk->d_state == G_RAID_DISK_S_SPARE) { 6171120Schegar update += g_raid_md_jmicron_start_disk(disk); 6181223Schegar if (disk->d_state == G_RAID_DISK_S_ACTIVE) 6191120Schegar break; 6201120Schegar } 6211433Sptbrunet } 6221433Sptbrunet } while (disk != NULL); 6231433Sptbrunet 6241236Sihse /* Write new metadata if we changed something. */ 6251223Schegar if (update) 6261223Schegar g_raid_md_write_jmicron(md, NULL, NULL, NULL); 6271223Schegar 6281223Schegar /* Update status of our need for spare. */ 6291178Serikj mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) < 6301178Serikj mdi->mdio_total_disks); 6311223Schegar 6321178Serikj /* Request retaste hoping to find spare. */ 6331882Samurillo if (mdi->mdio_incomplete) { 6341882Samurillo task = malloc(sizeof(struct task), 6351929Sihse M_MD_JMICRON, M_WAITOK | M_ZERO); 6361882Samurillo TASK_INIT(task, 0, g_disk_md_jmicron_retaste, task); 6372399Skvn taskqueue_enqueue(taskqueue_swi, task); 6382399Skvn } 6392399Skvn} 6402399Skvn 6412399Skvnstatic void 6422399Skvng_raid_md_jmicron_start(struct g_raid_softc *sc) 6432399Skvn{ 6442399Skvn struct g_raid_md_object *md; 6451120Schegar struct g_raid_md_jmicron_object *mdi; 6461120Schegar struct g_raid_md_jmicron_perdisk *pd; 6471120Schegar struct jmicron_raid_conf *meta; 6481515Smchung struct g_raid_volume *vol; 6491147Smchung struct g_raid_subdisk *sd; 6502345Smchung struct g_raid_disk *disk; 6512345Smchung off_t size; 6522052Sredestad int j, disk_pos; 6532052Sredestad char buf[17]; 6542052Sredestad 6552345Smchung md = sc->sc_md; 6562087Serikj mdi = (struct g_raid_md_jmicron_object *)md; 6572052Sredestad meta = mdi->mdio_meta; 6581961Salanb 6592378Serikj /* Create volumes and subdisks. */ 6602378Serikj jmicron_meta_get_name(meta, buf); 6612378Serikj vol = g_raid_create_volume(sc, buf, -1); 6621961Salanb size = ((off_t)meta->disk_sectors_high << 16) + meta->disk_sectors_low; 6632052Sredestad size *= 512; //ZZZ 6642052Sredestad vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE; 6652052Sredestad if (meta->type == JMICRON_T_RAID0) { 6662317Serikj vol->v_raid_level = G_RAID_VOLUME_RL_RAID0; 6672052Sredestad vol->v_mediasize = size * mdi->mdio_total_disks; 6682317Serikj } else if (meta->type == JMICRON_T_RAID1) { 6692317Serikj vol->v_raid_level = G_RAID_VOLUME_RL_RAID1; 6702317Serikj vol->v_mediasize = size; 6712317Serikj } else if (meta->type == JMICRON_T_RAID01) { 6722317Serikj vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E; 6732317Serikj vol->v_mediasize = size * mdi->mdio_total_disks / 2; 6742317Serikj } else if (meta->type == JMICRON_T_CONCAT) { 6751961Salanb if (mdi->mdio_total_disks == 1) 6762279Serikj vol->v_raid_level = G_RAID_VOLUME_RL_SINGLE; 6772279Serikj else 6782279Serikj vol->v_raid_level = G_RAID_VOLUME_RL_CONCAT; 6792279Serikj vol->v_mediasize = 0; 6802279Serikj } else if (meta->type == JMICRON_T_RAID5) { 6812279Serikj vol->v_raid_level = G_RAID_VOLUME_RL_RAID5; 6822279Serikj vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA; 6832279Serikj vol->v_mediasize = size * (mdi->mdio_total_disks - 1); 6842279Serikj } else { 6852279Serikj vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN; 6862279Serikj vol->v_mediasize = 0; 6872279Serikj } 6882279Serikj vol->v_strip_size = 1024 << meta->stripe_shift; //ZZZ 6892279Serikj vol->v_disks_count = mdi->mdio_total_disks; 6901961Salanb vol->v_sectorsize = 512; //ZZZ 6912279Serikj for (j = 0; j < vol->v_disks_count; j++) { 6922052Sredestad sd = &vol->v_subdisks[j]; 6932052Sredestad sd->sd_offset = (off_t)meta->offset * 16 * 512; //ZZZ 6942261Serikj sd->sd_size = size; 6952279Serikj } 6962279Serikj g_raid_start_volume(vol); 6972317Serikj 6982052Sredestad /* Create disk placeholders to store data for later writing. */ 6992279Serikj for (disk_pos = 0; disk_pos < mdi->mdio_total_disks; disk_pos++) { 7002279Serikj pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO); 7012279Serikj pd->pd_disk_pos = disk_pos; 7022317Serikj pd->pd_disk_id = meta->disks[disk_pos]; 7032317Serikj disk = g_raid_create_disk(sc); 7041961Salanb disk->d_md_data = (void *)pd; 7051961Salanb disk->d_state = G_RAID_DISK_S_OFFLINE; 7061223Schegar sd = &vol->v_subdisks[disk_pos]; 7071223Schegar sd->sd_disk = disk; 7081120Schegar TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 7091223Schegar } 7101223Schegar 7111961Salanb /* Make all disks found till the moment take their places. */ 7121120Schegar do { 7132096Serikj TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 7142096Serikj if (disk->d_state == G_RAID_DISK_S_NONE) { 7152096Serikj g_raid_md_jmicron_start_disk(disk); 7162317Serikj break; 7172096Serikj } 7182096Serikj } 7192096Serikj } while (disk != NULL); 7202096Serikj 7212317Serikj mdi->mdio_started = 1; 7222096Serikj G_RAID_DEBUG1(0, sc, "Array started."); 7232317Serikj g_raid_md_write_jmicron(md, NULL, NULL, NULL); 7242096Serikj 7252317Serikj /* Pickup any STALE/SPARE disks to refill array if needed. */ 7262317Serikj g_raid_md_jmicron_refill(sc); 7272052Sredestad 7282052Sredestad g_raid_event_send(vol, G_RAID_VOLUME_E_START, G_RAID_EVENT_VOLUME); 7292352Serikj 7301120Schegar callout_stop(&mdi->mdio_start_co); 7312352Serikj G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount); 7322352Serikj root_mount_rel(mdi->mdio_rootmount); 7332352Serikj mdi->mdio_rootmount = NULL; 7342352Serikj} 7351120Schegar 7362264Serikjstatic void 7371120Schegarg_raid_md_jmicron_new_disk(struct g_raid_disk *disk) 7382279Serikj{ 7392279Serikj struct g_raid_softc *sc; 7402279Serikj struct g_raid_md_object *md; 7412279Serikj struct g_raid_md_jmicron_object *mdi; 7422279Serikj struct jmicron_raid_conf *pdmeta; 7432261Serikj struct g_raid_md_jmicron_perdisk *pd; 7442264Serikj 7451120Schegar sc = disk->d_softc; 7461961Salanb md = sc->sc_md; 7471120Schegar mdi = (struct g_raid_md_jmicron_object *)md; 7482309Serikj pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data; 7492378Serikj pdmeta = pd->pd_meta; 7501120Schegar 7512301Sihse if (mdi->mdio_started) { 7522034Serikj if (g_raid_md_jmicron_start_disk(disk)) 7532264Serikj g_raid_md_write_jmicron(md, NULL, NULL, NULL); 7541120Schegar } else { 7552052Sredestad /* 7562052Sredestad * If we haven't started yet - update common metadata 7571961Salanb * to get subdisks details, avoiding data from spare disks. 7582052Sredestad */ 7592052Sredestad if (mdi->mdio_meta == NULL || 7602317Serikj jmicron_meta_find_disk(mdi->mdio_meta, 7611120Schegar mdi->mdio_meta->disk_id) == -3) { 7621299Serikj if (mdi->mdio_meta != NULL) 7631299Serikj free(mdi->mdio_meta, M_MD_JMICRON); 7642284Serikj mdi->mdio_meta = jmicron_meta_copy(pdmeta); 7651724Serikj mdi->mdio_total_disks = jmicron_meta_total_disks(pdmeta); 7662013Serikj } 7672013Serikj mdi->mdio_meta->flags |= pdmeta->flags & JMICRON_F_BADSEC; 7682013Serikj 7692013Serikj mdi->mdio_disks_present++; 7702013Serikj G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d+%d up)", 7712013Serikj mdi->mdio_disks_present, 7722378Serikj mdi->mdio_total_disks, 7732378Serikj jmicron_meta_total_spare(mdi->mdio_meta)); 7741348Serikj 7751348Serikj /* If we collected all needed disks - start array. */ 7761348Serikj if (mdi->mdio_disks_present == mdi->mdio_total_disks + 7771345Sihse jmicron_meta_total_spare(mdi->mdio_meta)) 7781345Sihse g_raid_md_jmicron_start(sc); 7791345Sihse } 7801345Sihse} 7812079Siignatyev 7822079Siignatyevstatic void 7831738Seheling_raid_jmicron_go(void *arg) 7841738Sehelin{ 7852264Serikj struct g_raid_softc *sc; 7861739Sehelin struct g_raid_md_object *md; 7872086Sehelin struct g_raid_md_jmicron_object *mdi; 7882086Sehelin 7891750Serikj sc = arg; 7901750Serikj md = sc->sc_md; 7912084Serikj mdi = (struct g_raid_md_jmicron_object *)md; 7922084Serikj if (!mdi->mdio_started) { 7932084Serikj G_RAID_DEBUG1(0, sc, "Force array start due to timeout."); 7942084Serikj g_raid_event_send(sc, G_RAID_NODE_E_START, 0); 7952084Serikj } 7962084Serikj} 7972261Serikj 7981961Salanbstatic int 7991120Schegarg_raid_md_create_jmicron(struct g_raid_md_object *md, struct g_class *mp, 8001120Schegar struct g_geom **gp) 8011120Schegar{ 8021120Schegar struct g_raid_softc *sc; 8031120Schegar struct g_raid_md_jmicron_object *mdi; 8041659Serikj char name[16]; 8052399Skvn 8061223Schegar mdi = (struct g_raid_md_jmicron_object *)md; 8072378Serikj mdi->mdio_config_id = arc4random(); 8082378Serikj snprintf(name, sizeof(name), "JMicron-%08x", mdi->mdio_config_id); 8092378Serikj sc = g_raid_create_node(mp, name, md); 8102378Serikj if (sc == NULL) 8112378Serikj return (G_RAID_MD_TASTE_FAIL); 8122378Serikj md->mdo_softc = sc; 8132378Serikj *gp = sc->sc_geom; 8142378Serikj return (G_RAID_MD_TASTE_NEW); 8152378Serikj} 8162378Serikj 8171120Schegarstatic int 8181120Schegarg_raid_md_taste_jmicron(struct g_raid_md_object *md, struct g_class *mp, 8191120Schegar struct g_consumer *cp, struct g_geom **gp) 8201120Schegar{ 8211961Salanb struct g_consumer *rcp; 8221120Schegar struct g_provider *pp; 8231120Schegar struct g_raid_md_jmicron_object *mdi, *mdi1; 8241120Schegar struct g_raid_softc *sc; 8251120Schegar struct g_raid_disk *disk; 8261120Schegar struct jmicron_raid_conf *meta; 8271223Schegar struct g_raid_md_jmicron_perdisk *pd; 8281120Schegar struct g_geom *geom; 8291120Schegar int disk_pos, result, spare, len; 8301120Schegar char name[16]; 8311961Salanb uint16_t vendor; 8321961Salanb 8331223Schegar G_RAID_DEBUG(1, "Tasting JMicron on %s", cp->provider->name); 8341223Schegar mdi = (struct g_raid_md_jmicron_object *)md; 8351223Schegar pp = cp->provider; 8361120Schegar 8371120Schegar /* Read metadata from device. */ 8381790Serikj meta = NULL; 8391120Schegar g_topology_unlock(); 8401120Schegar vendor = 0xffff; 8411120Schegar len = sizeof(vendor); 8421120Schegar if (pp->geom->rank == 1) 8431223Schegar g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor); 8441120Schegar meta = jmicron_meta_read(cp); 8451961Salanb g_topology_lock(); 8462378Serikj if (meta == NULL) { 8472378Serikj if (g_raid_aggressive_spare) { 8482378Serikj if (vendor == 0x197b) { 8492378Serikj G_RAID_DEBUG(1, 8501550Serikj "No JMicron metadata, forcing spare."); 8511550Serikj spare = 2; 8521550Serikj goto search; 8531550Serikj } else { 8541317Sihse G_RAID_DEBUG(1, 8552261Serikj "JMicron vendor mismatch 0x%04x != 0x197b", 8562352Serikj vendor); 8572279Serikj } 8582279Serikj } 8592279Serikj return (G_RAID_MD_TASTE_FAIL); 8602279Serikj } 8612279Serikj 8621317Sihse /* Check this disk position in obtained metadata. */ 8632052Sredestad disk_pos = jmicron_meta_find_disk(meta, meta->disk_id); 8641961Salanb if (disk_pos == -1) { 8651550Serikj G_RAID_DEBUG(1, "JMicron disk_id %08x not found", 8661550Serikj meta->disk_id); 8671345Sihse goto fail1; 8681317Sihse } 8691120Schegar 8701317Sihse /* Metadata valid. Print it. */ 8711317Sihse g_raid_md_jmicron_print(meta); 8722264Serikj G_RAID_DEBUG(1, "JMicron disk position %d", disk_pos); 8732264Serikj spare = (disk_pos == -2) ? 1 : 0; 8742264Serikj 8752264Serikjsearch: 8762264Serikj /* Search for matching node. */ 8771961Salanb sc = NULL; 8782052Sredestad mdi1 = NULL; 8792052Sredestad LIST_FOREACH(geom, &mp->geom, geom) { 8802052Sredestad sc = geom->softc; 8812052Sredestad if (sc == NULL) 8821961Salanb continue; 8832052Sredestad if (sc->sc_stopping != 0) 8842052Sredestad continue; 8852052Sredestad if (sc->sc_md->mdo_class != md->mdo_class) 8861961Salanb continue; 8871120Schegar mdi1 = (struct g_raid_md_jmicron_object *)sc->sc_md; 8881223Schegar if (spare == 2) { 8891317Sihse if (mdi1->mdio_incomplete) 8901223Schegar break; 8911120Schegar } else { 8921317Sihse if (mdi1->mdio_config_id == 8932301Sihse jmicron_meta_config_id(meta)) 8941120Schegar break; 8951317Sihse } 8961345Sihse } 8972079Siignatyev 8981275Sihse /* Found matching node. */ 8992084Serikj if (geom != NULL) { 9001317Sihse G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name); 9011317Sihse result = G_RAID_MD_TASTE_EXISTING; 9022084Serikj 9032084Serikj } else if (spare) { /* Not found needy node -- left for later. */ 9042084Serikj G_RAID_DEBUG(1, "Spare is not needed at this time"); 9052378Serikj goto fail1; 9062378Serikj 9072261Serikj } else { /* Not found matching node -- create one. */ 9082261Serikj result = G_RAID_MD_TASTE_NEW; 9092084Serikj mdi->mdio_config_id = jmicron_meta_config_id(meta); 9102084Serikj snprintf(name, sizeof(name), "JMicron-%08x", 9111120Schegar mdi->mdio_config_id); 9121120Schegar sc = g_raid_create_node(mp, name, md); 9131120Schegar md->mdo_softc = sc; 9141317Sihse geom = sc->sc_geom; 9151317Sihse callout_init(&mdi->mdio_start_co, 1); 9161317Sihse callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz, 9171817Serikj g_raid_jmicron_go, sc); 9181317Sihse mdi->mdio_rootmount = root_mount_hold("GRAID-JMicron"); 9191317Sihse G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount); 9201317Sihse } 9212084Serikj 9221317Sihse /* There is no return after this point, so we close passed consumer. */ 9231120Schegar g_access(cp, -1, 0, 0); 9242084Serikj 9251120Schegar rcp = g_new_consumer(geom); 9261120Schegar rcp->flags |= G_CF_DIRECT_RECEIVE; 9271120Schegar g_attach(rcp, pp); 9281120Schegar if (g_access(rcp, 1, 1, 1) != 0) 9291120Schegar ; //goto fail1; 9301120Schegar 9311120Schegar g_topology_unlock(); 9321236Sihse sx_xlock(&sc->sc_lock); 9331156Serikj 9341120Schegar pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO); 9351223Schegar pd->pd_meta = meta; 9361961Salanb if (spare == 2) { 9371223Schegar pd->pd_disk_pos = -3; 9381725Sihse pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK; 9391725Sihse } else { 9401641Sihse pd->pd_disk_pos = -1; 9411345Sihse pd->pd_disk_id = meta->disk_id; 9422301Sihse } 9431223Schegar pd->pd_disk_size = pp->mediasize; 9441223Schegar disk = g_raid_create_disk(sc); 9451223Schegar disk->d_md_data = (void *)pd; 9461223Schegar disk->d_consumer = rcp; 9471223Schegar rcp->private = disk; 948492SN/A 949492SN/A g_raid_get_disk_info(disk); 9501223Schegar 9511428Serikj g_raid_md_jmicron_new_disk(disk); 9521120Schegar 9531120Schegar sx_xunlock(&sc->sc_lock); 9542301Sihse g_topology_lock(); 9552301Sihse *gp = geom; 9562301Sihse return (result); 9571223Schegarfail1: 9581223Schegar free(meta, M_MD_JMICRON); 9591223Schegar return (G_RAID_MD_TASTE_FAIL); 9601725Sihse} 9611725Sihse 9621725Sihsestatic int 9631345Sihseg_raid_md_event_jmicron(struct g_raid_md_object *md, 9641345Sihse struct g_raid_disk *disk, u_int event) 9651345Sihse{ 9661223Schegar struct g_raid_softc *sc; 9671223Schegar struct g_raid_subdisk *sd; 9681223Schegar struct g_raid_md_jmicron_object *mdi; 9691223Schegar struct g_raid_md_jmicron_perdisk *pd; 9701223Schegar 9711223Schegar sc = md->mdo_softc; 9721223Schegar mdi = (struct g_raid_md_jmicron_object *)md; 9731223Schegar if (disk == NULL) { 9741223Schegar switch (event) { 9751223Schegar case G_RAID_NODE_E_START: 9761223Schegar if (!mdi->mdio_started) 9771223Schegar g_raid_md_jmicron_start(sc); 9781223Schegar return (0); 9791223Schegar } 9801120Schegar return (-1); 9811428Serikj } 9821428Serikj pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data; 983492SN/A switch (event) { 9841428Serikj case G_RAID_DISK_E_DISCONNECTED: 9851428Serikj /* If disk was assigned, just update statuses. */ 9861120Schegar if (pd->pd_disk_pos >= 0) { 987837SN/A g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 988837SN/A if (disk->d_consumer) { 989837SN/A g_raid_kill_consumer(sc, disk->d_consumer); 9901120Schegar disk->d_consumer = NULL; 9911120Schegar } 992837SN/A TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 993837SN/A g_raid_change_subdisk_state(sd, 9941120Schegar G_RAID_SUBDISK_S_NONE); 9951120Schegar g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED, 9962301Sihse G_RAID_EVENT_SUBDISK); 9971725Sihse } 9981725Sihse } else { 9991120Schegar /* Otherwise -- delete. */ 10001120Schegar g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE); 10011120Schegar g_raid_destroy_disk(disk); 10021120Schegar } 1003492SN/A 10041410Sihse /* Write updated metadata to all disks. */ 10051410Sihse g_raid_md_write_jmicron(md, NULL, NULL, NULL); 10061410Sihse 10071410Sihse /* Check if anything left except placeholders. */ 10081410Sihse if (g_raid_ndisks(sc, -1) == 10091410Sihse g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 10101410Sihse g_raid_destroy_node(sc, 0); 10111410Sihse else 10121410Sihse g_raid_md_jmicron_refill(sc); 10131426Sihse return (0); 10141426Sihse } 10151426Sihse return (-2); 10161410Sihse} 10171410Sihse 10181410Sihsestatic int 10191410Sihseg_raid_md_ctl_jmicron(struct g_raid_md_object *md, 10201410Sihse struct gctl_req *req) 10211410Sihse{ 10221426Sihse struct g_raid_softc *sc; 10231862Serikj struct g_raid_volume *vol; 10241426Sihse struct g_raid_subdisk *sd; 10251426Sihse struct g_raid_disk *disk; 10261120Schegar struct g_raid_md_jmicron_object *mdi; 10271120Schegar struct g_raid_md_jmicron_perdisk *pd; 10281120Schegar struct g_consumer *cp; 10291120Schegar struct g_provider *pp; 10301120Schegar char arg[16]; 1031492SN/A const char *verb, *volname, *levelname, *diskname; 1032 int *nargs, *force; 1033 off_t size, sectorsize, strip; 1034 intmax_t *sizearg, *striparg; 1035 int numdisks, i, len, level, qual, update; 1036 int error; 1037 1038 sc = md->mdo_softc; 1039 mdi = (struct g_raid_md_jmicron_object *)md; 1040 verb = gctl_get_param(req, "verb", NULL); 1041 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); 1042 error = 0; 1043 if (strcmp(verb, "label") == 0) { 1044 1045 if (*nargs < 4) { 1046 gctl_error(req, "Invalid number of arguments."); 1047 return (-1); 1048 } 1049 volname = gctl_get_asciiparam(req, "arg1"); 1050 if (volname == NULL) { 1051 gctl_error(req, "No volume name."); 1052 return (-2); 1053 } 1054 levelname = gctl_get_asciiparam(req, "arg2"); 1055 if (levelname == NULL) { 1056 gctl_error(req, "No RAID level."); 1057 return (-3); 1058 } 1059 if (strcasecmp(levelname, "RAID5") == 0) 1060 levelname = "RAID5-LA"; 1061 if (g_raid_volume_str2level(levelname, &level, &qual)) { 1062 gctl_error(req, "Unknown RAID level '%s'.", levelname); 1063 return (-4); 1064 } 1065 numdisks = *nargs - 3; 1066 force = gctl_get_paraml(req, "force", sizeof(*force)); 1067 if (!g_raid_md_jmicron_supported(level, qual, numdisks, 1068 force ? *force : 0)) { 1069 gctl_error(req, "Unsupported RAID level " 1070 "(0x%02x/0x%02x), or number of disks (%d).", 1071 level, qual, numdisks); 1072 return (-5); 1073 } 1074 1075 /* Search for disks, connect them and probe. */ 1076 size = 0x7fffffffffffffffllu; 1077 sectorsize = 0; 1078 for (i = 0; i < numdisks; i++) { 1079 snprintf(arg, sizeof(arg), "arg%d", i + 3); 1080 diskname = gctl_get_asciiparam(req, arg); 1081 if (diskname == NULL) { 1082 gctl_error(req, "No disk name (%s).", arg); 1083 error = -6; 1084 break; 1085 } 1086 if (strcmp(diskname, "NONE") == 0) { 1087 cp = NULL; 1088 pp = NULL; 1089 } else { 1090 g_topology_lock(); 1091 cp = g_raid_open_consumer(sc, diskname); 1092 if (cp == NULL) { 1093 gctl_error(req, "Can't open '%s'.", 1094 diskname); 1095 g_topology_unlock(); 1096 error = -7; 1097 break; 1098 } 1099 pp = cp->provider; 1100 } 1101 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO); 1102 pd->pd_disk_pos = i; 1103 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK; 1104 disk = g_raid_create_disk(sc); 1105 disk->d_md_data = (void *)pd; 1106 disk->d_consumer = cp; 1107 if (cp == NULL) 1108 continue; 1109 cp->private = disk; 1110 g_topology_unlock(); 1111 1112 g_raid_get_disk_info(disk); 1113 1114 pd->pd_disk_size = pp->mediasize; 1115 if (size > pp->mediasize) 1116 size = pp->mediasize; 1117 if (sectorsize < pp->sectorsize) 1118 sectorsize = pp->sectorsize; 1119 } 1120 if (error != 0) 1121 return (error); 1122 1123 if (sectorsize <= 0) { 1124 gctl_error(req, "Can't get sector size."); 1125 return (-8); 1126 } 1127 1128 /* Reserve space for metadata. */ 1129 size -= sectorsize; 1130 1131 /* Handle size argument. */ 1132 len = sizeof(*sizearg); 1133 sizearg = gctl_get_param(req, "size", &len); 1134 if (sizearg != NULL && len == sizeof(*sizearg) && 1135 *sizearg > 0) { 1136 if (*sizearg > size) { 1137 gctl_error(req, "Size too big %lld > %lld.", 1138 (long long)*sizearg, (long long)size); 1139 return (-9); 1140 } 1141 size = *sizearg; 1142 } 1143 1144 /* Handle strip argument. */ 1145 strip = 131072; 1146 len = sizeof(*striparg); 1147 striparg = gctl_get_param(req, "strip", &len); 1148 if (striparg != NULL && len == sizeof(*striparg) && 1149 *striparg > 0) { 1150 if (*striparg < sectorsize) { 1151 gctl_error(req, "Strip size too small."); 1152 return (-10); 1153 } 1154 if (*striparg % sectorsize != 0) { 1155 gctl_error(req, "Incorrect strip size."); 1156 return (-11); 1157 } 1158 if (strip > 65535 * sectorsize) { 1159 gctl_error(req, "Strip size too big."); 1160 return (-12); 1161 } 1162 strip = *striparg; 1163 } 1164 1165 /* Round size down to strip or sector. */ 1166 if (level == G_RAID_VOLUME_RL_RAID1) 1167 size -= (size % sectorsize); 1168 else if (level == G_RAID_VOLUME_RL_RAID1E && 1169 (numdisks & 1) != 0) 1170 size -= (size % (2 * strip)); 1171 else 1172 size -= (size % strip); 1173 if (size <= 0) { 1174 gctl_error(req, "Size too small."); 1175 return (-13); 1176 } 1177 if (size > 0xffffffffffffllu * sectorsize) { 1178 gctl_error(req, "Size too big."); 1179 return (-14); 1180 } 1181 1182 /* We have all we need, create things: volume, ... */ 1183 mdi->mdio_total_disks = numdisks; 1184 mdi->mdio_started = 1; 1185 vol = g_raid_create_volume(sc, volname, -1); 1186 vol->v_md_data = (void *)(intptr_t)0; 1187 vol->v_raid_level = level; 1188 vol->v_raid_level_qualifier = qual; 1189 vol->v_strip_size = strip; 1190 vol->v_disks_count = numdisks; 1191 if (level == G_RAID_VOLUME_RL_RAID0 || 1192 level == G_RAID_VOLUME_RL_CONCAT || 1193 level == G_RAID_VOLUME_RL_SINGLE) 1194 vol->v_mediasize = size * numdisks; 1195 else if (level == G_RAID_VOLUME_RL_RAID1) 1196 vol->v_mediasize = size; 1197 else if (level == G_RAID_VOLUME_RL_RAID5) 1198 vol->v_mediasize = size * (numdisks - 1); 1199 else { /* RAID1E */ 1200 vol->v_mediasize = ((size * numdisks) / strip / 2) * 1201 strip; 1202 } 1203 vol->v_sectorsize = sectorsize; 1204 g_raid_start_volume(vol); 1205 1206 /* , and subdisks. */ 1207 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1208 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data; 1209 sd = &vol->v_subdisks[pd->pd_disk_pos]; 1210 sd->sd_disk = disk; 1211 sd->sd_offset = 0; 1212 sd->sd_size = size; 1213 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 1214 if (sd->sd_disk->d_consumer != NULL) { 1215 g_raid_change_disk_state(disk, 1216 G_RAID_DISK_S_ACTIVE); 1217 g_raid_change_subdisk_state(sd, 1218 G_RAID_SUBDISK_S_ACTIVE); 1219 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 1220 G_RAID_EVENT_SUBDISK); 1221 } else { 1222 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 1223 } 1224 } 1225 1226 /* Write metadata based on created entities. */ 1227 G_RAID_DEBUG1(0, sc, "Array started."); 1228 g_raid_md_write_jmicron(md, NULL, NULL, NULL); 1229 1230 /* Pickup any STALE/SPARE disks to refill array if needed. */ 1231 g_raid_md_jmicron_refill(sc); 1232 1233 g_raid_event_send(vol, G_RAID_VOLUME_E_START, 1234 G_RAID_EVENT_VOLUME); 1235 return (0); 1236 } 1237 if (strcmp(verb, "delete") == 0) { 1238 1239 /* Check if some volume is still open. */ 1240 force = gctl_get_paraml(req, "force", sizeof(*force)); 1241 if (force != NULL && *force == 0 && 1242 g_raid_nopens(sc) != 0) { 1243 gctl_error(req, "Some volume is still open."); 1244 return (-4); 1245 } 1246 1247 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1248 if (disk->d_consumer) 1249 jmicron_meta_erase(disk->d_consumer); 1250 } 1251 g_raid_destroy_node(sc, 0); 1252 return (0); 1253 } 1254 if (strcmp(verb, "remove") == 0 || 1255 strcmp(verb, "fail") == 0) { 1256 if (*nargs < 2) { 1257 gctl_error(req, "Invalid number of arguments."); 1258 return (-1); 1259 } 1260 for (i = 1; i < *nargs; i++) { 1261 snprintf(arg, sizeof(arg), "arg%d", i); 1262 diskname = gctl_get_asciiparam(req, arg); 1263 if (diskname == NULL) { 1264 gctl_error(req, "No disk name (%s).", arg); 1265 error = -2; 1266 break; 1267 } 1268 if (strncmp(diskname, "/dev/", 5) == 0) 1269 diskname += 5; 1270 1271 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1272 if (disk->d_consumer != NULL && 1273 disk->d_consumer->provider != NULL && 1274 strcmp(disk->d_consumer->provider->name, 1275 diskname) == 0) 1276 break; 1277 } 1278 if (disk == NULL) { 1279 gctl_error(req, "Disk '%s' not found.", 1280 diskname); 1281 error = -3; 1282 break; 1283 } 1284 1285 if (strcmp(verb, "fail") == 0) { 1286 g_raid_md_fail_disk_jmicron(md, NULL, disk); 1287 continue; 1288 } 1289 1290 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data; 1291 1292 /* Erase metadata on deleting disk. */ 1293 jmicron_meta_erase(disk->d_consumer); 1294 1295 /* If disk was assigned, just update statuses. */ 1296 if (pd->pd_disk_pos >= 0) { 1297 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 1298 g_raid_kill_consumer(sc, disk->d_consumer); 1299 disk->d_consumer = NULL; 1300 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 1301 g_raid_change_subdisk_state(sd, 1302 G_RAID_SUBDISK_S_NONE); 1303 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED, 1304 G_RAID_EVENT_SUBDISK); 1305 } 1306 } else { 1307 /* Otherwise -- delete. */ 1308 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE); 1309 g_raid_destroy_disk(disk); 1310 } 1311 } 1312 1313 /* Write updated metadata to remaining disks. */ 1314 g_raid_md_write_jmicron(md, NULL, NULL, NULL); 1315 1316 /* Check if anything left except placeholders. */ 1317 if (g_raid_ndisks(sc, -1) == 1318 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 1319 g_raid_destroy_node(sc, 0); 1320 else 1321 g_raid_md_jmicron_refill(sc); 1322 return (error); 1323 } 1324 if (strcmp(verb, "insert") == 0) { 1325 if (*nargs < 2) { 1326 gctl_error(req, "Invalid number of arguments."); 1327 return (-1); 1328 } 1329 update = 0; 1330 for (i = 1; i < *nargs; i++) { 1331 /* Get disk name. */ 1332 snprintf(arg, sizeof(arg), "arg%d", i); 1333 diskname = gctl_get_asciiparam(req, arg); 1334 if (diskname == NULL) { 1335 gctl_error(req, "No disk name (%s).", arg); 1336 error = -3; 1337 break; 1338 } 1339 1340 /* Try to find provider with specified name. */ 1341 g_topology_lock(); 1342 cp = g_raid_open_consumer(sc, diskname); 1343 if (cp == NULL) { 1344 gctl_error(req, "Can't open disk '%s'.", 1345 diskname); 1346 g_topology_unlock(); 1347 error = -4; 1348 break; 1349 } 1350 pp = cp->provider; 1351 1352 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO); 1353 pd->pd_disk_pos = -3; 1354 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK; 1355 pd->pd_disk_size = pp->mediasize; 1356 1357 disk = g_raid_create_disk(sc); 1358 disk->d_consumer = cp; 1359 disk->d_md_data = (void *)pd; 1360 cp->private = disk; 1361 g_topology_unlock(); 1362 1363 g_raid_get_disk_info(disk); 1364 1365 /* Welcome the "new" disk. */ 1366 update += g_raid_md_jmicron_start_disk(disk); 1367 if (disk->d_state != G_RAID_DISK_S_ACTIVE && 1368 disk->d_state != G_RAID_DISK_S_SPARE) { 1369 gctl_error(req, "Disk '%s' doesn't fit.", 1370 diskname); 1371 g_raid_destroy_disk(disk); 1372 error = -8; 1373 break; 1374 } 1375 } 1376 1377 /* Write new metadata if we changed something. */ 1378 if (update) 1379 g_raid_md_write_jmicron(md, NULL, NULL, NULL); 1380 return (error); 1381 } 1382 gctl_error(req, "Command '%s' is not supported.", verb); 1383 return (-100); 1384} 1385 1386static int 1387g_raid_md_write_jmicron(struct g_raid_md_object *md, struct g_raid_volume *tvol, 1388 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) 1389{ 1390 struct g_raid_softc *sc; 1391 struct g_raid_volume *vol; 1392 struct g_raid_subdisk *sd; 1393 struct g_raid_disk *disk; 1394 struct g_raid_md_jmicron_object *mdi; 1395 struct g_raid_md_jmicron_perdisk *pd; 1396 struct jmicron_raid_conf *meta; 1397 int i, spares; 1398 1399 sc = md->mdo_softc; 1400 mdi = (struct g_raid_md_jmicron_object *)md; 1401 1402 if (sc->sc_stopping == G_RAID_DESTROY_HARD) 1403 return (0); 1404 1405 /* There is only one volume. */ 1406 vol = TAILQ_FIRST(&sc->sc_volumes); 1407 1408 /* Fill global fields. */ 1409 meta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK | M_ZERO); 1410 strncpy(meta->signature, JMICRON_MAGIC, 2); 1411 meta->version = JMICRON_VERSION; 1412 jmicron_meta_put_name(meta, vol->v_name); 1413 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0) 1414 meta->type = JMICRON_T_RAID0; 1415 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1) 1416 meta->type = JMICRON_T_RAID1; 1417 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) 1418 meta->type = JMICRON_T_RAID01; 1419 else if (vol->v_raid_level == G_RAID_VOLUME_RL_CONCAT || 1420 vol->v_raid_level == G_RAID_VOLUME_RL_SINGLE) 1421 meta->type = JMICRON_T_CONCAT; 1422 else 1423 meta->type = JMICRON_T_RAID5; 1424 meta->stripe_shift = fls(vol->v_strip_size / 2048); 1425 meta->flags = JMICRON_F_READY | JMICRON_F_BOOTABLE; 1426 for (i = 0; i < vol->v_disks_count; i++) { 1427 sd = &vol->v_subdisks[i]; 1428 if (sd->sd_disk == NULL || sd->sd_disk->d_md_data == NULL) 1429 meta->disks[i] = 0xffffffff; 1430 else { 1431 pd = (struct g_raid_md_jmicron_perdisk *) 1432 sd->sd_disk->d_md_data; 1433 meta->disks[i] = pd->pd_disk_id; 1434 } 1435 if (sd->sd_state < G_RAID_SUBDISK_S_STALE) 1436 meta->flags |= JMICRON_F_BADSEC; 1437 if (vol->v_dirty) 1438 meta->flags |= JMICRON_F_UNSYNC; 1439 } 1440 1441 /* Put spares to their slots. */ 1442 spares = 0; 1443 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1444 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data; 1445 if (disk->d_state != G_RAID_DISK_S_SPARE) 1446 continue; 1447 meta->spare[spares] = pd->pd_disk_id; 1448 if (++spares >= 2) 1449 break; 1450 } 1451 1452 /* We are done. Print meta data and store them to disks. */ 1453 if (mdi->mdio_meta != NULL) 1454 free(mdi->mdio_meta, M_MD_JMICRON); 1455 mdi->mdio_meta = meta; 1456 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1457 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data; 1458 if (disk->d_state != G_RAID_DISK_S_ACTIVE && 1459 disk->d_state != G_RAID_DISK_S_SPARE) 1460 continue; 1461 if (pd->pd_meta != NULL) { 1462 free(pd->pd_meta, M_MD_JMICRON); 1463 pd->pd_meta = NULL; 1464 } 1465 pd->pd_meta = jmicron_meta_copy(meta); 1466 pd->pd_meta->disk_id = pd->pd_disk_id; 1467 if ((sd = TAILQ_FIRST(&disk->d_subdisks)) != NULL) { 1468 pd->pd_meta->offset = 1469 (sd->sd_offset / 512) / 16; 1470 pd->pd_meta->disk_sectors_high = 1471 (sd->sd_size / 512) >> 16; 1472 pd->pd_meta->disk_sectors_low = 1473 (sd->sd_size / 512) & 0xffff; 1474 if (sd->sd_state < G_RAID_SUBDISK_S_STALE) 1475 pd->pd_meta->flags &= ~JMICRON_F_BADSEC; 1476 else if (sd->sd_state < G_RAID_SUBDISK_S_ACTIVE) 1477 pd->pd_meta->flags |= JMICRON_F_UNSYNC; 1478 } 1479 G_RAID_DEBUG(1, "Writing JMicron metadata to %s", 1480 g_raid_get_diskname(disk)); 1481 g_raid_md_jmicron_print(pd->pd_meta); 1482 jmicron_meta_write(disk->d_consumer, pd->pd_meta); 1483 } 1484 return (0); 1485} 1486 1487static int 1488g_raid_md_fail_disk_jmicron(struct g_raid_md_object *md, 1489 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) 1490{ 1491 struct g_raid_softc *sc; 1492 struct g_raid_md_jmicron_perdisk *pd; 1493 struct g_raid_subdisk *sd; 1494 1495 sc = md->mdo_softc; 1496 pd = (struct g_raid_md_jmicron_perdisk *)tdisk->d_md_data; 1497 1498 /* We can't fail disk that is not a part of array now. */ 1499 if (pd->pd_disk_pos < 0) 1500 return (-1); 1501 1502 if (tdisk->d_consumer) 1503 jmicron_meta_erase(tdisk->d_consumer); 1504 1505 /* Change states. */ 1506 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED); 1507 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) { 1508 g_raid_change_subdisk_state(sd, 1509 G_RAID_SUBDISK_S_FAILED); 1510 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED, 1511 G_RAID_EVENT_SUBDISK); 1512 } 1513 1514 /* Write updated metadata to remaining disks. */ 1515 g_raid_md_write_jmicron(md, NULL, NULL, tdisk); 1516 1517 /* Check if anything left except placeholders. */ 1518 if (g_raid_ndisks(sc, -1) == 1519 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 1520 g_raid_destroy_node(sc, 0); 1521 else 1522 g_raid_md_jmicron_refill(sc); 1523 return (0); 1524} 1525 1526static int 1527g_raid_md_free_disk_jmicron(struct g_raid_md_object *md, 1528 struct g_raid_disk *disk) 1529{ 1530 struct g_raid_md_jmicron_perdisk *pd; 1531 1532 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data; 1533 if (pd->pd_meta != NULL) { 1534 free(pd->pd_meta, M_MD_JMICRON); 1535 pd->pd_meta = NULL; 1536 } 1537 free(pd, M_MD_JMICRON); 1538 disk->d_md_data = NULL; 1539 return (0); 1540} 1541 1542static int 1543g_raid_md_free_jmicron(struct g_raid_md_object *md) 1544{ 1545 struct g_raid_md_jmicron_object *mdi; 1546 1547 mdi = (struct g_raid_md_jmicron_object *)md; 1548 if (!mdi->mdio_started) { 1549 mdi->mdio_started = 0; 1550 callout_stop(&mdi->mdio_start_co); 1551 G_RAID_DEBUG1(1, md->mdo_softc, 1552 "root_mount_rel %p", mdi->mdio_rootmount); 1553 root_mount_rel(mdi->mdio_rootmount); 1554 mdi->mdio_rootmount = NULL; 1555 } 1556 if (mdi->mdio_meta != NULL) { 1557 free(mdi->mdio_meta, M_MD_JMICRON); 1558 mdi->mdio_meta = NULL; 1559 } 1560 return (0); 1561} 1562 1563G_RAID_MD_DECLARE(jmicron, "JMicron"); 1564