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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 <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_JMICRON, "md_jmicron_data", "GEOM_RAID JMicron metadata");
- #define JMICRON_MAX_DISKS 8
- #define JMICRON_MAX_SPARE 2
- struct jmicron_raid_conf {
- uint8_t signature[2];
- #define JMICRON_MAGIC "JM"
- uint16_t version;
- #define JMICRON_VERSION 0x0001
- uint16_t checksum;
- uint8_t filler_1[10];
- uint32_t disk_id;
- uint32_t offset;
- uint32_t disk_sectors_high;
- uint16_t disk_sectors_low;
- uint8_t filler_2[2];
- uint8_t name[16];
- uint8_t type;
- #define JMICRON_T_RAID0 0
- #define JMICRON_T_RAID1 1
- #define JMICRON_T_RAID01 2
- #define JMICRON_T_CONCAT 3
- #define JMICRON_T_RAID5 5
- uint8_t stripe_shift;
- uint16_t flags;
- #define JMICRON_F_READY 0x0001
- #define JMICRON_F_BOOTABLE 0x0002
- #define JMICRON_F_BADSEC 0x0004
- #define JMICRON_F_ACTIVE 0x0010
- #define JMICRON_F_UNSYNC 0x0020
- #define JMICRON_F_NEWEST 0x0040
- uint8_t filler_3[4];
- uint32_t spare[JMICRON_MAX_SPARE];
- uint32_t disks[JMICRON_MAX_DISKS];
- #define JMICRON_DISK_MASK 0xFFFFFFF0
- #define JMICRON_SEG_MASK 0x0000000F
- uint8_t filler_4[32];
- uint8_t filler_5[384];
- };
- struct g_raid_md_jmicron_perdisk {
- struct jmicron_raid_conf *pd_meta;
- int pd_disk_pos;
- int pd_disk_id;
- off_t pd_disk_size;
- };
- struct g_raid_md_jmicron_object {
- struct g_raid_md_object mdio_base;
- uint32_t mdio_config_id;
- struct jmicron_raid_conf *mdio_meta;
- struct callout mdio_start_co; /* STARTING state timer. */
- int mdio_total_disks;
- 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_jmicron;
- static g_raid_md_taste_t g_raid_md_taste_jmicron;
- static g_raid_md_event_t g_raid_md_event_jmicron;
- static g_raid_md_ctl_t g_raid_md_ctl_jmicron;
- static g_raid_md_write_t g_raid_md_write_jmicron;
- static g_raid_md_fail_disk_t g_raid_md_fail_disk_jmicron;
- static g_raid_md_free_disk_t g_raid_md_free_disk_jmicron;
- static g_raid_md_free_t g_raid_md_free_jmicron;
- static kobj_method_t g_raid_md_jmicron_methods[] = {
- KOBJMETHOD(g_raid_md_create, g_raid_md_create_jmicron),
- KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_jmicron),
- KOBJMETHOD(g_raid_md_event, g_raid_md_event_jmicron),
- KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_jmicron),
- KOBJMETHOD(g_raid_md_write, g_raid_md_write_jmicron),
- KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_jmicron),
- KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_jmicron),
- KOBJMETHOD(g_raid_md_free, g_raid_md_free_jmicron),
- { 0, 0 }
- };
- static struct g_raid_md_class g_raid_md_jmicron_class = {
- "JMicron",
- g_raid_md_jmicron_methods,
- sizeof(struct g_raid_md_jmicron_object),
- .mdc_enable = 1,
- .mdc_priority = 100
- };
- static void
- g_raid_md_jmicron_print(struct jmicron_raid_conf *meta)
- {
- int k;
- if (g_raid_debug < 1)
- return;
- printf("********* ATA JMicron RAID Metadata *********\n");
- printf("signature <%c%c>\n", meta->signature[0], meta->signature[1]);
- printf("version %04x\n", meta->version);
- printf("checksum 0x%04x\n", meta->checksum);
- printf("disk_id 0x%08x\n", meta->disk_id);
- printf("offset 0x%08x\n", meta->offset);
- printf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high);
- printf("disk_sectors_low 0x%04x\n", meta->disk_sectors_low);
- printf("name <%.16s>\n", meta->name);
- printf("type %d\n", meta->type);
- printf("stripe_shift %d\n", meta->stripe_shift);
- printf("flags %04x\n", meta->flags);
- printf("spare ");
- for (k = 0; k < JMICRON_MAX_SPARE; k++)
- printf(" 0x%08x", meta->spare[k]);
- printf("\n");
- printf("disks ");
- for (k = 0; k < JMICRON_MAX_DISKS; k++)
- printf(" 0x%08x", meta->disks[k]);
- printf("\n");
- printf("=================================================\n");
- }
- static struct jmicron_raid_conf *
- jmicron_meta_copy(struct jmicron_raid_conf *meta)
- {
- struct jmicron_raid_conf *nmeta;
- nmeta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK);
- memcpy(nmeta, meta, sizeof(*meta));
- return (nmeta);
- }
- static int
- jmicron_meta_total_disks(struct jmicron_raid_conf *meta)
- {
- int pos;
- for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) {
- if (meta->disks[pos] == 0)
- break;
- }
- return (pos);
- }
- static int
- jmicron_meta_total_spare(struct jmicron_raid_conf *meta)
- {
- int pos, n;
- n = 0;
- for (pos = 0; pos < JMICRON_MAX_SPARE; pos++) {
- if (meta->spare[pos] != 0)
- n++;
- }
- return (n);
- }
- /*
- * Generate fake Configuration ID based on disk IDs.
- * Note: it will change after each disk set change.
- */
- static uint32_t
- jmicron_meta_config_id(struct jmicron_raid_conf *meta)
- {
- int pos;
- uint32_t config_id;
- config_id = 0;
- for (pos = 0; pos < JMICRON_MAX_DISKS; pos++)
- config_id += meta->disks[pos] << pos;
- return (config_id);
- }
- static void
- jmicron_meta_get_name(struct jmicron_raid_conf *meta, char *buf)
- {
- int i;
- strncpy(buf, meta->name, 16);
- buf[16] = 0;
- for (i = 15; i >= 0; i--) {
- if (buf[i] > 0x20)
- break;
- buf[i] = 0;
- }
- }
- static void
- jmicron_meta_put_name(struct jmicron_raid_conf *meta, char *buf)
- {
- memset(meta->name, 0x20, 16);
- memcpy(meta->name, buf, MIN(strlen(buf), 16));
- }
- static int
- jmicron_meta_find_disk(struct jmicron_raid_conf *meta, uint32_t id)
- {
- int pos;
- id &= JMICRON_DISK_MASK;
- for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) {
- if ((meta->disks[pos] & JMICRON_DISK_MASK) == id)
- return (pos);
- }
- for (pos = 0; pos < JMICRON_MAX_SPARE; pos++) {
- if ((meta->spare[pos] & JMICRON_DISK_MASK) == id)
- return (-3);
- }
- return (-1);
- }
- static struct jmicron_raid_conf *
- jmicron_meta_read(struct g_consumer *cp)
- {
- struct g_provider *pp;
- struct jmicron_raid_conf *meta;
- char *buf;
- int error, i;
- uint16_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, pp->sectorsize, &error);
- if (buf == NULL) {
- G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
- pp->name, error);
- return (NULL);
- }
- meta = (struct jmicron_raid_conf *)buf;
- /* Check if this is an JMicron RAID struct */
- if (strncmp(meta->signature, JMICRON_MAGIC, strlen(JMICRON_MAGIC))) {
- G_RAID_DEBUG(1, "JMicron signature check failed on %s", pp->name);
- g_free(buf);
- return (NULL);
- }
- meta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK);
- memcpy(meta, buf, min(sizeof(*meta), pp->sectorsize));
- g_free(buf);
- /* Check metadata checksum. */
- for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 64; i++)
- checksum += *ptr++;
- if (checksum != 0) {
- G_RAID_DEBUG(1, "JMicron checksum check failed on %s", pp->name);
- free(meta, M_MD_JMICRON);
- return (NULL);
- }
- return (meta);
- }
- static int
- jmicron_meta_write(struct g_consumer *cp, struct jmicron_raid_conf *meta)
- {
- struct g_provider *pp;
- char *buf;
- int error, i;
- uint16_t checksum, *ptr;
- pp = cp->provider;
- /* Recalculate checksum for case if metadata were changed. */
- meta->checksum = 0;
- for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 64; i++)
- checksum += *ptr++;
- meta->checksum -= checksum;
- /* Create and fill buffer. */
- buf = malloc(pp->sectorsize, M_MD_JMICRON, M_WAITOK | M_ZERO);
- memcpy(buf, meta, sizeof(*meta));
- error = g_write_data(cp,
- pp->mediasize - pp->sectorsize, buf, pp->sectorsize);
- if (error != 0) {
- G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
- pp->name, error);
- }
- free(buf, M_MD_JMICRON);
- return (error);
- }
- static int
- jmicron_meta_erase(struct g_consumer *cp)
- {
- struct g_provider *pp;
- char *buf;
- int error;
- pp = cp->provider;
- buf = malloc(pp->sectorsize, M_MD_JMICRON, M_WAITOK | M_ZERO);
- error = g_write_data(cp,
- pp->mediasize - 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_JMICRON);
- return (error);
- }
- static struct g_raid_disk *
- g_raid_md_jmicron_get_disk(struct g_raid_softc *sc, int id)
- {
- struct g_raid_disk *disk;
- struct g_raid_md_jmicron_perdisk *pd;
- TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
- pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
- if (pd->pd_disk_pos == id)
- break;
- }
- return (disk);
- }
- static int
- g_raid_md_jmicron_supported(int level, int qual, int disks, int force)
- {
- if (disks > 8)
- return (0);
- 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_SINGLE:
- if (disks != 1)
- return (0);
- if (!force)
- return (0);
- break;
- case G_RAID_VOLUME_RL_CONCAT:
- if (disks < 2)
- return (0);
- break;
- case G_RAID_VOLUME_RL_RAID5:
- if (disks < 3)
- return (0);
- if (qual != G_RAID_VOLUME_RLQ_R5LA)
- return (0);
- if (!force)
- return (0);
- break;
- default:
- return (0);
- }
- if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE)
- return (0);
- return (1);
- }
- static int
- g_raid_md_jmicron_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_jmicron_object *mdi;
- struct g_raid_md_jmicron_perdisk *pd, *oldpd;
- struct jmicron_raid_conf *meta;
- int disk_pos, resurrection = 0;
- sc = disk->d_softc;
- md = sc->sc_md;
- mdi = (struct g_raid_md_jmicron_object *)md;
- meta = mdi->mdio_meta;
- pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
- olddisk = NULL;
- /* Find disk position in metadata by its serial. */
- if (pd->pd_meta != NULL)
- disk_pos = jmicron_meta_find_disk(meta, pd->pd_disk_id);
- else
- disk_pos = -1;
- if (disk_pos < 0) {
- G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
- /* 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) {
- if (sd->sd_offset + sd->sd_size + 512 >
- pd->pd_disk_size) {
- G_RAID_DEBUG1(1, sc,
- "Disk too small (%ju < %ju)",
- pd->pd_disk_size,
- sd->sd_offset + sd->sd_size + 512);
- 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 (disk_pos == -3 || pd->pd_disk_pos == -3) {
- 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_jmicron_perdisk *)olddisk->d_md_data;
- disk_pos = oldpd->pd_disk_pos;
- resurrection = 1;
- }
- if (olddisk == NULL) {
- /* Find placeholder by position. */
- olddisk = g_raid_md_jmicron_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_jmicron_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;
- /* Update global metadata just in case. */
- meta->disks[disk_pos] = pd->pd_disk_id;
- /* 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);
- }
- /* Welcome the new disk. */
- g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
- TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
- /*
- * Different disks may have different sizes/offsets,
- * especially in concat mode. Update.
- */
- if (!resurrection) {
- sd->sd_offset =
- (off_t)pd->pd_meta->offset * 16 * 512; //ZZZ
- sd->sd_size =
- (((off_t)pd->pd_meta->disk_sectors_high << 16) +
- pd->pd_meta->disk_sectors_low) * 512;
- }
- if (resurrection) {
- /* Stale disk, almost same as new. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_NEW);
- } else if ((meta->flags & JMICRON_F_BADSEC) != 0 &&
- (pd->pd_meta->flags & JMICRON_F_BADSEC) == 0) {
- /* Cold-inserted or rebuilding disk. */
- g_raid_change_subdisk_state(sd,
- G_RAID_SUBDISK_S_NEW);
- } else if (pd->pd_meta->flags & JMICRON_F_UNSYNC) {
- /* Dirty or resyncing disk.. */
- 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);
- }
- 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) <
- mdi->mdio_total_disks);
- }
- return (resurrection);
- }
- static void
- g_disk_md_jmicron_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_JMICRON);
- }
- static void
- g_raid_md_jmicron_refill(struct g_raid_softc *sc)
- {
- struct g_raid_md_object *md;
- struct g_raid_md_jmicron_object *mdi;
- struct g_raid_disk *disk;
- struct task *task;
- int update, na;
- md = sc->sc_md;
- mdi = (struct g_raid_md_jmicron_object *)md;
- update = 0;
- do {
- /* Make sure we miss anything. */
- na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE);
- if (na == mdi->mdio_total_disks)
- break;
- G_RAID_DEBUG1(1, md->mdo_softc,
- "Array is not complete (%d of %d), "
- "trying to refill.", na, mdi->mdio_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_jmicron_start_disk(disk);
- if (disk->d_state == G_RAID_DISK_S_ACTIVE)
- 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_jmicron_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_jmicron(md, NULL, NULL, NULL);
- /* Update status of our need for spare. */
- mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
- mdi->mdio_total_disks);
- /* Request retaste hoping to find spare. */
- if (mdi->mdio_incomplete) {
- task = malloc(sizeof(struct task),
- M_MD_JMICRON, M_WAITOK | M_ZERO);
- TASK_INIT(task, 0, g_disk_md_jmicron_retaste, task);
- taskqueue_enqueue(taskqueue_swi, task);
- }
- }
- static void
- g_raid_md_jmicron_start(struct g_raid_softc *sc)
- {
- struct g_raid_md_object *md;
- struct g_raid_md_jmicron_object *mdi;
- struct g_raid_md_jmicron_perdisk *pd;
- struct jmicron_raid_conf *meta;
- struct g_raid_volume *vol;
- struct g_raid_subdisk *sd;
- struct g_raid_disk *disk;
- off_t size;
- int j, disk_pos;
- char buf[17];
- md = sc->sc_md;
- mdi = (struct g_raid_md_jmicron_object *)md;
- meta = mdi->mdio_meta;
- /* Create volumes and subdisks. */
- jmicron_meta_get_name(meta, buf);
- vol = g_raid_create_volume(sc, buf, -1);
- size = ((off_t)meta->disk_sectors_high << 16) + meta->disk_sectors_low;
- size *= 512; //ZZZ
- vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
- if (meta->type == JMICRON_T_RAID0) {
- vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
- vol->v_mediasize = size * mdi->mdio_total_disks;
- } else if (meta->type == JMICRON_T_RAID1) {
- vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
- vol->v_mediasize = size;
- } else if (meta->type == JMICRON_T_RAID01) {
- vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
- vol->v_mediasize = size * mdi->mdio_total_disks / 2;
- } else if (meta->type == JMICRON_T_CONCAT) {
- if (mdi->mdio_total_disks == 1)
- vol->v_raid_level = G_RAID_VOLUME_RL_SINGLE;
- else
- vol->v_raid_level = G_RAID_VOLUME_RL_CONCAT;
- vol->v_mediasize = 0;
- } else if (meta->type == JMICRON_T_RAID5) {
- vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
- vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA;
- vol->v_mediasize = size * (mdi->mdio_total_disks - 1);
- } else {
- vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
- vol->v_mediasize = 0;
- }
- vol->v_strip_size = 1024 << meta->stripe_shift; //ZZZ
- vol->v_disks_count = mdi->mdio_total_disks;
- vol->v_sectorsize = 512; //ZZZ
- for (j = 0; j < vol->v_disks_count; j++) {
- sd = &vol->v_subdisks[j];
- sd->sd_offset = (off_t)meta->offset * 16 * 512; //ZZZ
- sd->sd_size = size;
- }
- g_raid_start_volume(vol);
- /* Create disk placeholders to store data for later writing. */
- for (disk_pos = 0; disk_pos < mdi->mdio_total_disks; disk_pos++) {
- pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
- pd->pd_disk_pos = disk_pos;
- pd->pd_disk_id = meta->disks[disk_pos];
- disk = g_raid_create_disk(sc);
- disk->d_md_data = (void *)pd;
- disk->d_state = G_RAID_DISK_S_OFFLINE;
- sd = &vol->v_subdisks[disk_pos];
- 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_jmicron_start_disk(disk);
- break;
- }
- }
- } while (disk != NULL);
- mdi->mdio_started = 1;
- G_RAID_DEBUG1(0, sc, "Array started.");
- g_raid_md_write_jmicron(md, NULL, NULL, NULL);
- /* Pickup any STALE/SPARE disks to refill array if needed. */
- g_raid_md_jmicron_refill(sc);
- 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_jmicron_new_disk(struct g_raid_disk *disk)
- {
- struct g_raid_softc *sc;
- struct g_raid_md_object *md;
- struct g_raid_md_jmicron_object *mdi;
- struct jmicron_raid_conf *pdmeta;
- struct g_raid_md_jmicron_perdisk *pd;
- sc = disk->d_softc;
- md = sc->sc_md;
- mdi = (struct g_raid_md_jmicron_object *)md;
- pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
- pdmeta = pd->pd_meta;
- if (mdi->mdio_started) {
- if (g_raid_md_jmicron_start_disk(disk))
- g_raid_md_write_jmicron(md, NULL, NULL, NULL);
- } else {
- /*
- * If we haven't started yet - update common metadata
- * to get subdisks details, avoiding data from spare disks.
- */
- if (mdi->mdio_meta == NULL ||
- jmicron_meta_find_disk(mdi->mdio_meta,
- mdi->mdio_meta->disk_id) == -3) {
- if (mdi->mdio_meta != NULL)
- free(mdi->mdio_meta, M_MD_JMICRON);
- mdi->mdio_meta = jmicron_meta_copy(pdmeta);
- mdi->mdio_total_disks = jmicron_meta_total_disks(pdmeta);
- }
- mdi->mdio_meta->flags |= pdmeta->flags & JMICRON_F_BADSEC;
- mdi->mdio_disks_present++;
- G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d+%d up)",
- mdi->mdio_disks_present,
- mdi->mdio_total_disks,
- jmicron_meta_total_spare(mdi->mdio_meta));
- /* If we collected all needed disks - start array. */
- if (mdi->mdio_disks_present == mdi->mdio_total_disks +
- jmicron_meta_total_spare(mdi->mdio_meta))
- g_raid_md_jmicron_start(sc);
- }
- }
- static void
- g_raid_jmicron_go(void *arg)
- {
- struct g_raid_softc *sc;
- struct g_raid_md_object *md;
- struct g_raid_md_jmicron_object *mdi;
- sc = arg;
- md = sc->sc_md;
- mdi = (struct g_raid_md_jmicron_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_jmicron(struct g_raid_md_object *md, struct g_class *mp,
- struct g_geom **gp)
- {
- struct g_raid_softc *sc;
- struct g_raid_md_jmicron_object *mdi;
- char name[16];
- mdi = (struct g_raid_md_jmicron_object *)md;
- mdi->mdio_config_id = arc4random();
- snprintf(name, sizeof(name), "JMicron-%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);
- }
- static int
- g_raid_md_taste_jmicron(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_jmicron_object *mdi, *mdi1;
- struct g_raid_softc *sc;
- struct g_raid_disk *disk;
- struct jmicron_raid_conf *meta;
- struct g_raid_md_jmicron_perdisk *pd;
- struct g_geom *geom;
- int disk_pos, result, spare, len;
- char name[16];
- uint16_t vendor;
- G_RAID_DEBUG(1, "Tasting JMicron on %s", cp->provider->name);
- mdi = (struct g_raid_md_jmicron_object *)md;
- pp = cp->provider;
- /* Read metadata from device. */
- meta = NULL;
- g_topology_unlock();
- vendor = 0xffff;
- len = sizeof(vendor);
- if (pp->geom->rank == 1)
- g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
- meta = jmicron_meta_read(cp);
- g_topology_lock();
- if (meta == NULL) {
- if (g_raid_aggressive_spare) {
- if (vendor == 0x197b) {
- G_RAID_DEBUG(1,
- "No JMicron metadata, forcing spare.");
- spare = 2;
- goto search;
- } else {
- G_RAID_DEBUG(1,
- "JMicron vendor mismatch 0x%04x != 0x197b",
- vendor);
- }
- }
- return (G_RAID_MD_TASTE_FAIL);
- }
- /* Check this disk position in obtained metadata. */
- disk_pos = jmicron_meta_find_disk(meta, meta->disk_id);
- if (disk_pos == -1) {
- G_RAID_DEBUG(1, "JMicron disk_id %08x not found",
- meta->disk_id);
- goto fail1;
- }
- /* Metadata valid. Print it. */
- g_raid_md_jmicron_print(meta);
- G_RAID_DEBUG(1, "JMicron disk position %d", disk_pos);
- spare = (disk_pos == -2) ? 1 : 0;
- 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_jmicron_object *)sc->sc_md;
- if (spare == 2) {
- if (mdi1->mdio_incomplete)
- break;
- } else {
- if (mdi1->mdio_config_id ==
- jmicron_meta_config_id(meta))
- 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 = jmicron_meta_config_id(meta);
- snprintf(name, sizeof(name), "JMicron-%08x",
- mdi->mdio_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_jmicron_go, sc);
- mdi->mdio_rootmount = root_mount_hold("GRAID-JMicron");
- 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_JMICRON, M_WAITOK | M_ZERO);
- pd->pd_meta = meta;
- if (spare == 2) {
- pd->pd_disk_pos = -3;
- pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
- } else {
- pd->pd_disk_pos = -1;
- pd->pd_disk_id = meta->disk_id;
- }
- pd->pd_disk_size = pp->mediasize;
- 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_jmicron_new_disk(disk);
- sx_xunlock(&sc->sc_lock);
- g_topology_lock();
- *gp = geom;
- return (result);
- fail1:
- free(meta, M_MD_JMICRON);
- return (G_RAID_MD_TASTE_FAIL);
- }
- static int
- g_raid_md_event_jmicron(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_jmicron_object *mdi;
- struct g_raid_md_jmicron_perdisk *pd;
- sc = md->mdo_softc;
- mdi = (struct g_raid_md_jmicron_object *)md;
- if (disk == NULL) {
- switch (event) {
- case G_RAID_NODE_E_START:
- if (!mdi->mdio_started)
- g_raid_md_jmicron_start(sc);
- return (0);
- }
- return (-1);
- }
- pd = (struct g_raid_md_jmicron_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_jmicron(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_jmicron_refill(sc);
- return (0);
- }
- return (-2);
- }
- static int
- g_raid_md_ctl_jmicron(struct g_raid_md_object *md,
- struct gctl_req *req)
- {
- struct g_raid_softc *sc;
- struct g_raid_volume *vol;
- struct g_raid_subdisk *sd;
- struct g_raid_disk *disk;
- struct g_raid_md_jmicron_object *mdi;
- struct g_raid_md_jmicron_perdisk *pd;
- struct g_consumer *cp;
- struct g_provider *pp;
- char arg[16];
- const char *verb, *volname, *levelname, *diskname;
- int *nargs, *force;
- off_t size, sectorsize, strip;
- intmax_t *sizearg, *striparg;
- int numdisks, i, len, level, qual, update;
- int error;
- sc = md->mdo_softc;
- mdi = (struct g_raid_md_jmicron_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_jmicron_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 '%s'.",
- diskname);
- g_topology_unlock();
- error = -7;
- break;
- }
- pp = cp->provider;
- }
- pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
- pd->pd_disk_pos = i;
- pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
- disk = g_raid_create_disk(sc);
- disk->d_md_data = (void *)pd;
- disk->d_consumer = cp;
- if (cp == NULL)
- continue;
- cp->private = disk;
- g_topology_unlock();
- g_raid_get_disk_info(disk);
- pd->pd_disk_size = pp->mediasize;
- if (size > pp->mediasize)
- size = pp->mediasize;
- if (sectorsize < pp->sectorsize)
- sectorsize = pp->sectorsize;
- }
- if (error != 0)
- return (error);
- if (sectorsize <= 0) {
- gctl_error(req, "Can't get sector size.");
- return (-8);
- }
- /* Reserve space for metadata. */
- size -= 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);
- }
- if (size > 0xffffffffffffllu * sectorsize) {
- gctl_error(req, "Size too big.");
- return (-14);
- }
- /* We have all we need, create things: volume, ... */
- mdi->mdio_total_disks = numdisks;
- mdi->mdio_started = 1;
- vol = g_raid_create_volume(sc, volname, -1);
- vol->v_md_data = (void *)(intptr_t)0;
- 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 ||
- level == G_RAID_VOLUME_RL_CONCAT ||
- level == G_RAID_VOLUME_RL_SINGLE)
- 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_jmicron_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);
- 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_jmicron(md, NULL, NULL, NULL);
- /* Pickup any STALE/SPARE disks to refill array if needed. */
- g_raid_md_jmicron_refill(sc);
- g_raid_event_send(vol, G_RAID_VOLUME_E_START,
- G_RAID_EVENT_VOLUME);
- return (0);
- }
- if (strcmp(verb, "delete") == 0) {
- /* 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)
- jmicron_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_jmicron(md, NULL, disk);
- continue;
- }
- pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
- /* Erase metadata on deleting disk. */
- jmicron_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_jmicron(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_jmicron_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;
- pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
- pd->pd_disk_pos = -3;
- pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
- pd->pd_disk_size = pp->mediasize;
- disk = g_raid_create_disk(sc);
- disk->d_consumer = cp;
- disk->d_md_data = (void *)pd;
- cp->private = disk;
- g_topology_unlock();
- g_raid_get_disk_info(disk);
- /* Welcome the "new" disk. */
- update += g_raid_md_jmicron_start_disk(disk);
- if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
- disk->d_state != G_RAID_DISK_S_SPARE) {
- 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_jmicron(md, NULL, NULL, NULL);
- return (error);
- }
- gctl_error(req, "Command '%s' is not supported.", verb);
- return (-100);
- }
- static int
- g_raid_md_write_jmicron(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_jmicron_object *mdi;
- struct g_raid_md_jmicron_perdisk *pd;
- struct jmicron_raid_conf *meta;
- int i, spares;
- sc = md->mdo_softc;
- mdi = (struct g_raid_md_jmicron_object *)md;
- if (sc->sc_stopping == G_RAID_DESTROY_HARD)
- return (0);
- /* There is only one volume. */
- vol = TAILQ_FIRST(&sc->sc_volumes);
- /* Fill global fields. */
- meta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK | M_ZERO);
- strncpy(meta->signature, JMICRON_MAGIC, 2);
- meta->version = JMICRON_VERSION;
- jmicron_meta_put_name(meta, vol->v_name);
- if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
- meta->type = JMICRON_T_RAID0;
- else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
- meta->type = JMICRON_T_RAID1;
- else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
- meta->type = JMICRON_T_RAID01;
- else if (vol->v_raid_level == G_RAID_VOLUME_RL_CONCAT ||
- vol->v_raid_level == G_RAID_VOLUME_RL_SINGLE)
- meta->type = JMICRON_T_CONCAT;
- else
- meta->type = JMICRON_T_RAID5;
- meta->stripe_shift = fls(vol->v_strip_size / 2048);
- meta->flags = JMICRON_F_READY | JMICRON_F_BOOTABLE;
- for (i = 0; i < vol->v_disks_count; i++) {
- sd = &vol->v_subdisks[i];
- if (sd->sd_disk == NULL || sd->sd_disk->d_md_data == NULL)
- meta->disks[i] = 0xffffffff;
- else {
- pd = (struct g_raid_md_jmicron_perdisk *)
- sd->sd_disk->d_md_data;
- meta->disks[i] = pd->pd_disk_id;
- }
- if (sd->sd_state < G_RAID_SUBDISK_S_STALE)
- meta->flags |= JMICRON_F_BADSEC;
- if (vol->v_dirty)
- meta->flags |= JMICRON_F_UNSYNC;
- }
- /* Put spares to their slots. */
- spares = 0;
- TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
- pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
- if (disk->d_state != G_RAID_DISK_S_SPARE)
- continue;
- meta->spare[spares] = pd->pd_disk_id;
- if (++spares >= 2)
- break;
- }
- /* We are done. Print meta data and store them to disks. */
- if (mdi->mdio_meta != NULL)
- free(mdi->mdio_meta, M_MD_JMICRON);
- mdi->mdio_meta = meta;
- TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
- pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
- if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
- disk->d_state != G_RAID_DISK_S_SPARE)
- continue;
- if (pd->pd_meta != NULL) {
- free(pd->pd_meta, M_MD_JMICRON);
- pd->pd_meta = NULL;
- }
- pd->pd_meta = jmicron_meta_copy(meta);
- pd->pd_meta->disk_id = pd->pd_disk_id;
- if ((sd = TAILQ_FIRST(&disk->d_subdisks)) != NULL) {
- pd->pd_meta->offset =
- (sd->sd_offset / 512) / 16;
- pd->pd_meta->disk_sectors_high =
- (sd->sd_size / 512) >> 16;
- pd->pd_meta->disk_sectors_low =
- (sd->sd_size / 512) & 0xffff;
- if (sd->sd_state < G_RAID_SUBDISK_S_STALE)
- pd->pd_meta->flags &= ~JMICRON_F_BADSEC;
- else if (sd->sd_state < G_RAID_SUBDISK_S_ACTIVE)
- pd->pd_meta->flags |= JMICRON_F_UNSYNC;
- }
- G_RAID_DEBUG(1, "Writing JMicron metadata to %s",
- g_raid_get_diskname(disk));
- g_raid_md_jmicron_print(pd->pd_meta);
- jmicron_meta_write(disk->d_consumer, pd->pd_meta);
- }
- return (0);
- }
- static int
- g_raid_md_fail_disk_jmicron(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_jmicron_perdisk *pd;
- struct g_raid_subdisk *sd;
- sc = md->mdo_softc;
- pd = (struct g_raid_md_jmicron_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);
- if (tdisk->d_consumer)
- jmicron_meta_erase(tdisk->d_consumer);
- /* 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_jmicron(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_jmicron_refill(sc);
- return (0);
- }
- static int
- g_raid_md_free_disk_jmicron(struct g_raid_md_object *md,
- struct g_raid_disk *disk)
- {
- struct g_raid_md_jmicron_perdisk *pd;
- pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
- if (pd->pd_meta != NULL) {
- free(pd->pd_meta, M_MD_JMICRON);
- pd->pd_meta = NULL;
- }
- free(pd, M_MD_JMICRON);
- disk->d_md_data = NULL;
- return (0);
- }
- static int
- g_raid_md_free_jmicron(struct g_raid_md_object *md)
- {
- struct g_raid_md_jmicron_object *mdi;
- mdi = (struct g_raid_md_jmicron_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_JMICRON);
- mdi->mdio_meta = NULL;
- }
- return (0);
- }
- G_RAID_MD_DECLARE(jmicron, "JMicron");
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