svn commit: r219874 - in projects/graid/head: sbin/geom/class/raid
sys/conf sys/geom/raid sys/modules/geom/geom_raid
Alexander Motin
mav at FreeBSD.org
Tue Mar 22 16:54:22 UTC 2011
Author: mav
Date: Tue Mar 22 16:54:21 2011
New Revision: 219874
URL: http://svn.freebsd.org/changeset/base/219874
Log:
Add initial support for NVidia MediaShield metadata format.
Added:
projects/graid/head/sys/geom/raid/md_nvidia.c (contents, props changed)
Modified:
projects/graid/head/sbin/geom/class/raid/graid.8
projects/graid/head/sys/conf/files
projects/graid/head/sys/modules/geom/geom_raid/Makefile
Modified: projects/graid/head/sbin/geom/class/raid/graid.8
==============================================================================
--- projects/graid/head/sbin/geom/class/raid/graid.8 Tue Mar 22 16:21:11 2011 (r219873)
+++ projects/graid/head/sbin/geom/class/raid/graid.8 Tue Mar 22 16:54:21 2011 (r219874)
@@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd March 18, 2011
+.Dd March 22, 2011
.Dt GRAID 8
.Os
.Sh NAME
@@ -214,6 +214,13 @@ Supports configurations: RAID0 (2+ disks
RAID10 (4 disks), CONCAT (2+ disks).
Configurations not supported by JMicron RAID BIOS, but enforceable on your own
risk: RAID1 (3+ disks), RAID1E (3+ disks), RAID10 (6+ disks), RAID5 (3+ disks).
+.It NVidia
+The format used by NVidia MediaShield RAID BIOS.
+Supports one volume per array.
+Supports configurations: RAID0 (2+ disks), RAID1 (2 disks),
+RAID5 (3+ disks), RAID10 (4+ disks), SINGLE (1 disk), CONCAT (2+ disks).
+Configurations not supported by NVidia MediaShield RAID BIOS, but enforceable
+on your own risk: RAID1 (3+ disks).
.It Promise
The format used by Promise and AMD/ATI RAID BIOSes and FreeBSD ataraid(4)
driver.
Modified: projects/graid/head/sys/conf/files
==============================================================================
--- projects/graid/head/sys/conf/files Tue Mar 22 16:21:11 2011 (r219873)
+++ projects/graid/head/sys/conf/files Tue Mar 22 16:54:21 2011 (r219874)
@@ -2114,6 +2114,7 @@ geom/raid/g_raid_md_if.m optional geom_r
geom/raid/g_raid_tr_if.m optional geom_raid
geom/raid/md_intel.c optional geom_raid
geom/raid/md_jmicron.c optional geom_raid
+geom/raid/md_nvidia.c optional geom_raid
geom/raid/md_promise.c optional geom_raid
geom/raid/md_sii.c optional geom_raid
geom/raid/tr_concat.c optional geom_raid
Added: projects/graid/head/sys/geom/raid/md_nvidia.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ projects/graid/head/sys/geom/raid/md_nvidia.c Tue Mar 22 16:54:21 2011 (r219874)
@@ -0,0 +1,1650 @@
+/*-
+ * Copyright (c) 2011 Alexander Motin <mav at 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/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#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/raid/g_raid.h"
+#include "g_raid_md_if.h"
+
+static MALLOC_DEFINE(M_MD_NVIDIA, "md_nvidia_data", "GEOM_RAID NVidia metadata");
+
+struct nvidia_raid_conf {
+ uint8_t nvidia_id[8];
+#define NVIDIA_MAGIC "NVIDIA "
+
+ uint32_t config_size;
+ uint32_t checksum;
+ uint16_t version;
+ uint8_t disk_number;
+ uint8_t dummy_0;
+ uint32_t total_sectors;
+ uint32_t sector_size;
+ uint8_t name[16];
+ uint8_t revision[4];
+ uint32_t dummy_1;
+
+ uint32_t magic_0;
+#define NVIDIA_MAGIC0 0x00640044
+
+ uint64_t volume_id[2];
+ uint8_t flags;
+ uint8_t array_width;
+ uint8_t total_disks;
+ uint8_t dummy_2;
+ uint16_t type;
+#define NVIDIA_T_RAID0 0x00000080
+#define NVIDIA_T_RAID1 0x00000081
+#define NVIDIA_T_RAID3 0x00000083
+#define NVIDIA_T_RAID5 0x00000085
+#define NVIDIA_T_RAID10 0x00008180
+#define NVIDIA_T_CONCAT 0x000000ff
+
+ uint16_t dummy_3;
+ uint32_t strip_sectors;
+ uint32_t strip_bytes;
+ uint32_t strip_shift;
+ uint32_t strip_mask;
+ uint32_t strip_sizesectors;
+ uint32_t strip_sizebytes;
+ uint32_t rebuild_lba;
+ uint32_t orig_type;
+ uint32_t orig_total_sectors;
+ uint32_t status;
+#define NVIDIA_S_BOOTABLE 0x00000001
+#define NVIDIA_S_DEGRADED 0x00000002
+
+ uint32_t filler[98];
+} __packed;
+
+struct g_raid_md_nvidia_perdisk {
+ struct nvidia_raid_conf *pd_meta;
+ int pd_disk_pos;
+ off_t pd_disk_size;
+};
+
+struct g_raid_md_nvidia_object {
+ struct g_raid_md_object mdio_base;
+ uint64_t mdio_volume_id[2];
+ uint8_t mdio_location;
+ uint32_t mdio_generation;
+ struct nvidia_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_nvidia;
+static g_raid_md_taste_t g_raid_md_taste_nvidia;
+static g_raid_md_event_t g_raid_md_event_nvidia;
+static g_raid_md_ctl_t g_raid_md_ctl_nvidia;
+static g_raid_md_write_t g_raid_md_write_nvidia;
+static g_raid_md_fail_disk_t g_raid_md_fail_disk_nvidia;
+static g_raid_md_free_disk_t g_raid_md_free_disk_nvidia;
+static g_raid_md_free_t g_raid_md_free_nvidia;
+
+static kobj_method_t g_raid_md_nvidia_methods[] = {
+ KOBJMETHOD(g_raid_md_create, g_raid_md_create_nvidia),
+ KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_nvidia),
+ KOBJMETHOD(g_raid_md_event, g_raid_md_event_nvidia),
+ KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_nvidia),
+ KOBJMETHOD(g_raid_md_write, g_raid_md_write_nvidia),
+ KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_nvidia),
+ KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_nvidia),
+ KOBJMETHOD(g_raid_md_free, g_raid_md_free_nvidia),
+ { 0, 0 }
+};
+
+static struct g_raid_md_class g_raid_md_nvidia_class = {
+ "NVidia",
+ g_raid_md_nvidia_methods,
+ sizeof(struct g_raid_md_nvidia_object),
+ .mdc_priority = 100
+};
+
+static void
+g_raid_md_nvidia_print(struct nvidia_raid_conf *meta)
+{
+
+ if (g_raid_debug < 1)
+ return;
+
+ printf("********* ATA NVidia RAID Metadata *********\n");
+ printf("nvidia_id <%.8s>\n", meta->nvidia_id);
+ printf("config_size 0x%08x\n", meta->config_size);
+ printf("checksum 0x%08x\n", meta->checksum);
+ printf("version 0x%04x\n", meta->version);
+ printf("disk_number %d\n", meta->disk_number);
+ printf("dummy_0 0x%02x\n", meta->dummy_0);
+ printf("total_sectors %u\n", meta->total_sectors);
+ printf("sector_size %u\n", meta->sector_size);
+ printf("name <%.16s>\n", meta->name);
+ printf("revision 0x%02x%02x%02x%02x\n",
+ meta->revision[0], meta->revision[1],
+ meta->revision[2], meta->revision[3]);
+ printf("dummy_1 0x%08x\n", meta->dummy_1);
+ printf("magic_0 0x%08x\n", meta->magic_0);
+ printf("volume_id 0x%016jx%016jx\n",
+ meta->volume_id[0], meta->volume_id[1]);
+ printf("flags 0x%02x\n", meta->flags);
+ printf("array_width %u\n", meta->array_width);
+ printf("total_disks %u\n", meta->total_disks);
+ printf("dummy_2 0x%02x\n", meta->dummy_2);
+ printf("type 0x%04x\n", meta->type);
+ printf("dummy_3 0x%04x\n", meta->dummy_3);
+ printf("strip_sectors %u\n", meta->strip_sectors);
+ printf("strip_bytes %u\n", meta->strip_bytes);
+ printf("strip_shift %u\n", meta->strip_shift);
+ printf("strip_mask 0x%08x\n", meta->strip_mask);
+ printf("strip_sizesectors %u\n", meta->strip_sizesectors);
+ printf("strip_sizebytes %u\n", meta->strip_sizebytes);
+ printf("rebuild_lba %u\n", meta->rebuild_lba);
+ printf("orig_type 0x%04x\n", meta->orig_type);
+ printf("orig_total_sectors %u\n", meta->orig_total_sectors);
+ printf("status 0x%08x\n", meta->status);
+ printf("=================================================\n");
+}
+
+static struct nvidia_raid_conf *
+nvidia_meta_copy(struct nvidia_raid_conf *meta)
+{
+ struct nvidia_raid_conf *nmeta;
+
+ nmeta = malloc(sizeof(*meta), M_MD_NVIDIA, M_WAITOK);
+ memcpy(nmeta, meta, sizeof(*meta));
+ return (nmeta);
+}
+
+static void
+nvidia_meta_get_name(struct nvidia_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;
+ }
+}
+
+#if 0
+static void
+nvidia_meta_put_name(struct nvidia_raid_conf *meta, char *buf)
+{
+
+ memset(meta->name, 0x20, 16);
+ memcpy(meta->name, buf, MIN(strlen(buf), 16));
+}
+#endif
+
+static struct nvidia_raid_conf *
+nvidia_meta_read(struct g_consumer *cp)
+{
+ struct g_provider *pp;
+ struct nvidia_raid_conf *meta;
+ char *buf;
+ int error, i;
+ uint32_t checksum, *ptr;
+
+ pp = cp->provider;
+
+ /* Read the anchor sector. */
+ buf = g_read_data(cp,
+ pp->mediasize - 2 * 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 = malloc(sizeof(*meta), M_MD_NVIDIA, M_WAITOK);
+ memcpy(meta, buf, min(sizeof(*meta), pp->sectorsize));
+ g_free(buf);
+
+ /* Check if this is an NVidia RAID struct */
+ if (strncmp(meta->nvidia_id, NVIDIA_MAGIC, strlen(NVIDIA_MAGIC))) {
+ G_RAID_DEBUG(1, "NVidia signature check failed on %s", pp->name);
+ free(meta, M_MD_NVIDIA);
+ return (NULL);
+ }
+ if (meta->config_size > 128 ||
+ meta->config_size < 10) {
+ G_RAID_DEBUG(1, "NVidia metadata size looks wrong: %d",
+ meta->config_size);
+ free(meta, M_MD_NVIDIA);
+ return (NULL);
+ }
+ /* Check metadata major version. */
+/* if (meta->version_major != 2) {
+ G_RAID_DEBUG(1, "NVidia version check failed on %s (%d.%d)",
+ pp->name, meta->version_major, meta->version_minor);
+ free(meta, M_MD_NVIDIA);
+ return (NULL);
+ }
+*/
+ /* Check metadata checksum. */
+ for (checksum = 0, ptr = (uint32_t *)meta,
+ i = 0; i < meta->config_size; i++)
+ checksum += *ptr++;
+ if (checksum != 0) {
+ G_RAID_DEBUG(1, "NVidia checksum check failed on %s", pp->name);
+ free(meta, M_MD_NVIDIA);
+ return (NULL);
+ }
+
+ /* Check raid type. */
+ if (meta->type != NVIDIA_T_RAID0 && meta->type != NVIDIA_T_RAID1 &&
+ meta->type != NVIDIA_T_RAID3 && meta->type != NVIDIA_T_RAID5 &&
+ meta->type != NVIDIA_T_RAID10 && meta->type != NVIDIA_T_CONCAT) {
+ G_RAID_DEBUG(1, "NVidia unknown RAID level on %s (0x%02x)",
+ pp->name, meta->type);
+ free(meta, M_MD_NVIDIA);
+ return (NULL);
+ }
+
+ return (meta);
+}
+
+#if 0
+static int
+nvidia_meta_write(struct g_consumer *cp, struct nvidia_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 < 159; i++)
+ checksum += *ptr++;
+ meta->checksum -= checksum;
+
+ /* Create and fill buffer. */
+ buf = malloc(pp->sectorsize, M_MD_NVIDIA, M_WAITOK | M_ZERO);
+ memcpy(buf, meta, sizeof(*meta));
+
+ /* Write 4 copies of metadata. */
+ for (i = 0; i < 4; i++) {
+ error = g_write_data(cp,
+ pp->mediasize - (pp->sectorsize * (1 + 0x200 * i)),
+ buf, pp->sectorsize);
+ if (error != 0) {
+ G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
+ pp->name, error);
+ break;
+ }
+ }
+
+ free(buf, M_MD_NVIDIA);
+ return (error);
+}
+#endif
+
+static int
+nvidia_meta_erase(struct g_consumer *cp)
+{
+ struct g_provider *pp;
+ char *buf;
+ int error, i;
+
+ pp = cp->provider;
+ buf = malloc(pp->sectorsize, M_MD_NVIDIA, M_WAITOK | M_ZERO);
+ /* Write 4 copies of metadata. */
+ for (i = 0; i < 4; i++) {
+ error = g_write_data(cp,
+ pp->mediasize - (pp->sectorsize * (1 + 0x200 * i)),
+ buf, pp->sectorsize);
+ if (error != 0) {
+ G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
+ pp->name, error);
+ }
+ }
+ free(buf, M_MD_NVIDIA);
+ return (error);
+}
+
+static int
+nvidia_meta_write_spare(struct g_consumer *cp)
+{
+#if 0
+ struct nvidia_raid_conf *meta;
+ int error;
+
+ meta = malloc(sizeof(*meta), M_MD_NVIDIA, M_WAITOK | M_ZERO);
+ meta->total_sectors = cp->provider->mediasize /
+ cp->provider->sectorsize - 0x800;
+ meta->vendor_id = 0x1095;
+ meta->version_minor = 0;
+ meta->version_major = 2;
+ meta->volume_id[0] = arc4random();
+ meta->volume_id[1] = arc4random();
+ meta->type = NVIDIA_T_SPARE;
+ meta->generation = 1;
+ meta->raid1_ident = 0xff;
+ meta->raid_location = arc4random();
+ error = nvidia_meta_write(cp, meta);
+ free(meta, M_MD_NVIDIA);
+ return (error);
+#endif
+ return (0);
+}
+
+static struct g_raid_disk *
+g_raid_md_nvidia_get_disk(struct g_raid_softc *sc, int id)
+{
+ struct g_raid_disk *disk;
+ struct g_raid_md_nvidia_perdisk *pd;
+
+ TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
+ pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
+ if (pd->pd_disk_pos == id)
+ break;
+ }
+ return (disk);
+}
+
+static int
+g_raid_md_nvidia_supported(int level, int qual, int disks, int force)
+{
+
+ switch (level) {
+ case G_RAID_VOLUME_RL_RAID0:
+ if (disks < 1)
+ return (0);
+ if (!force && (disks < 2 || disks > 6))
+ return (0);
+ break;
+ case G_RAID_VOLUME_RL_RAID1:
+ if (disks < 1)
+ return (0);
+ if (!force && (disks != 2))
+ return (0);
+ break;
+ case G_RAID_VOLUME_RL_RAID1E:
+ if (disks < 2)
+ return (0);
+ if (disks % 2 != 0)
+ return (0);
+ if (!force && (disks < 4))
+ return (0);
+ break;
+ case G_RAID_VOLUME_RL_SINGLE:
+ if (disks != 1)
+ 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);
+ break;
+ default:
+ return (0);
+ }
+ if (qual != G_RAID_VOLUME_RLQ_NONE)
+ return (0);
+ return (1);
+}
+
+static int
+g_raid_md_nvidia_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_nvidia_object *mdi;
+ struct g_raid_md_nvidia_perdisk *pd, *oldpd;
+ struct nvidia_raid_conf *meta;
+ int disk_pos, resurrection = 0;
+
+ sc = disk->d_softc;
+ md = sc->sc_md;
+ mdi = (struct g_raid_md_nvidia_object *)md;
+ meta = mdi->mdio_meta;
+ pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
+ olddisk = NULL;
+
+ /* Find disk position in metadata by it's serial. */
+ if (pd->pd_meta != NULL)
+ disk_pos = pd->pd_meta->disk_number;
+ else
+ disk_pos = -3;
+ 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_nvidia_perdisk *)olddisk->d_md_data;
+ disk_pos = oldpd->pd_disk_pos;
+ resurrection = 1;
+ }
+
+ if (olddisk == NULL) {
+ /* Find placeholder by position. */
+ olddisk = g_raid_md_nvidia_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 then 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_nvidia_perdisk *)olddisk->d_md_data;
+ }
+
+ /* Replace failed disk or placeholder with new disk. */
+ TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
+ TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
+ TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
+ sd->sd_disk = disk;
+ }
+ oldpd->pd_disk_pos = -2;
+ pd->pd_disk_pos = disk_pos;
+
+ /* If it was placeholder -- destroy it. */
+ if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) {
+ g_raid_destroy_disk(olddisk);
+ } else {
+ /* Otherwise, make it STALE_FAILED. */
+ g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED);
+ }
+
+ /* Welcome the new disk. */
+ if (resurrection)
+ g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
+ else// if (pd->pd_meta->disk_status == NVIDIA_S_CURRENT ||
+ //pd->pd_meta->disk_status == NVIDIA_S_REBUILD)
+ g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
+// else
+// g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED);
+ TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
+
+ /*
+ * Different disks may have different sizes,
+ * in concat mode. Update from real disk size.
+ */
+ if (meta->type == NVIDIA_T_CONCAT)
+ sd->sd_size = pd->pd_disk_size - 0x800 * 512;
+
+ if (resurrection) {
+ /* New or ex-spare disk. */
+ g_raid_change_subdisk_state(sd,
+ G_RAID_SUBDISK_S_NEW);
+#if 0
+ } else if (pd->pd_meta->disk_status == NVIDIA_S_REBUILD) {
+ /* Rebuilding disk. */
+ g_raid_change_subdisk_state(sd,
+ G_RAID_SUBDISK_S_REBUILD);
+ if (pd->pd_meta->generation == meta->generation)
+ sd->sd_rebuild_pos = pd->pd_meta->rebuild_lba * 512;
+ else
+ sd->sd_rebuild_pos = 0;
+ } else if (pd->pd_meta->disk_status == NVIDIA_S_CURRENT) {
+ if (pd->pd_meta->raid_status == NVIDIA_S_ONLINE ||
+ pd->pd_meta->generation != meta->generation) {
+ /* Dirty or resyncing disk. */
+ g_raid_change_subdisk_state(sd,
+ G_RAID_SUBDISK_S_STALE);
+#endif
+ } else {
+ /* Up to date disk. */
+ g_raid_change_subdisk_state(sd,
+ G_RAID_SUBDISK_S_ACTIVE);
+#if 0
+ }
+ } else {
+ g_raid_change_subdisk_state(sd,
+ G_RAID_SUBDISK_S_FAILED);
+#endif
+ }
+ 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_nvidia_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_NVIDIA);
+}
+
+static void
+g_raid_md_nvidia_refill(struct g_raid_softc *sc)
+{
+ struct g_raid_md_object *md;
+ struct g_raid_md_nvidia_object *mdi;
+ struct nvidia_raid_conf *meta;
+ struct g_raid_disk *disk;
+ struct task *task;
+ int update, na;
+
+ md = sc->sc_md;
+ mdi = (struct g_raid_md_nvidia_object *)md;
+ meta = mdi->mdio_meta;
+ 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_nvidia_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_nvidia_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_nvidia(md, NULL, NULL, NULL);
+ meta = mdi->mdio_meta;
+ }
+
+ /* Update status of our need for spare. */
+ mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
+ mdi->mdio_total_disks);
+
+ /* Request retaste hoping to find spare. */
+ if (mdi->mdio_incomplete) {
+ task = malloc(sizeof(struct task),
+ M_MD_NVIDIA, M_WAITOK | M_ZERO);
+ TASK_INIT(task, 0, g_disk_md_nvidia_retaste, task);
+ taskqueue_enqueue(taskqueue_swi, task);
+ }
+}
+
+static void
+g_raid_md_nvidia_start(struct g_raid_softc *sc)
+{
+ struct g_raid_md_object *md;
+ struct g_raid_md_nvidia_object *mdi;
+ struct g_raid_md_nvidia_perdisk *pd;
+ struct nvidia_raid_conf *meta;
+ struct g_raid_volume *vol;
+ struct g_raid_subdisk *sd;
+ struct g_raid_disk *disk, *best;
+ off_t size;
+ int j, disk_pos;
+ uint32_t gendiff, bestgendiff;
+ char buf[17];
+
+ md = sc->sc_md;
+ mdi = (struct g_raid_md_nvidia_object *)md;
+ meta = mdi->mdio_meta;
+
+ /* Create volumes and subdisks. */
+ nvidia_meta_get_name(meta, buf);
+ vol = g_raid_create_volume(sc, buf, -1);
+ vol->v_mediasize = (off_t)meta->total_sectors * 512;
+ if (meta->type == NVIDIA_T_RAID0) {
+ vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
+ size = vol->v_mediasize / mdi->mdio_total_disks;
+ } else if (meta->type == NVIDIA_T_RAID1) {
+ vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
+ size = vol->v_mediasize;
+ } else if (meta->type == NVIDIA_T_RAID10) {
+ vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
+ size = vol->v_mediasize / (mdi->mdio_total_disks / 2);
+ } else if (meta->type == NVIDIA_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;
+ size = 0;
+ } else if (meta->type == NVIDIA_T_RAID5) {
+ vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
+ size = vol->v_mediasize / (mdi->mdio_total_disks - 1);
+ } else {
+ vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
+ size = 0;
+ }
+ vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
+ vol->v_strip_size = meta->strip_sectors * 512; //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 = 0;
+ 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_NVIDIA, M_WAITOK | M_ZERO);
+ pd->pd_disk_pos = 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
+ * in order of their generation numbers.
+ */
+ do {
+ best = NULL;
+ bestgendiff = 0xffffffff;
+ TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
+ if (disk->d_state != G_RAID_DISK_S_NONE)
+ continue;
+ pd = disk->d_md_data;
+ if (pd->pd_meta == NULL)
+ gendiff = 0xfffffffe;
+ else
+ gendiff = 0;//meta->generation -
+ //pd->pd_meta->generation;
+ if (gendiff < bestgendiff) {
+ best = disk;
+ bestgendiff = gendiff;
+ }
+ }
+ if (best != NULL)
+ g_raid_md_nvidia_start_disk(best);
+ } while (best != NULL);
+
+ mdi->mdio_started = 1;
+ G_RAID_DEBUG1(0, sc, "Array started.");
+ g_raid_md_write_nvidia(md, NULL, NULL, NULL);
+
+ /* Pickup any STALE/SPARE disks to refill array if needed. */
+ g_raid_md_nvidia_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_nvidia_new_disk(struct g_raid_disk *disk)
+{
+ struct g_raid_softc *sc;
+ struct g_raid_md_object *md;
+ struct g_raid_md_nvidia_object *mdi;
+ struct nvidia_raid_conf *pdmeta;
+ struct g_raid_md_nvidia_perdisk *pd;
+
+ sc = disk->d_softc;
+ md = sc->sc_md;
+ mdi = (struct g_raid_md_nvidia_object *)md;
+ pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
+ pdmeta = pd->pd_meta;
+
+ if (mdi->mdio_started) {
+ if (g_raid_md_nvidia_start_disk(disk))
+ g_raid_md_write_nvidia(md, NULL, NULL, NULL);
+ } else {
+ if (mdi->mdio_meta == NULL/* ||
+ ((int32_t)(pdmeta->generation - mdi->mdio_generation)) > 0*/) {
+ G_RAID_DEBUG1(1, sc, "Newer disk");
+ if (mdi->mdio_meta != NULL)
+ free(mdi->mdio_meta, M_MD_NVIDIA);
+ mdi->mdio_meta = nvidia_meta_copy(pdmeta);
+// mdi->mdio_generation = mdi->mdio_meta->generation;
+ mdi->mdio_total_disks = pdmeta->total_disks;
+ mdi->mdio_disks_present = 1;
+ } else /*if (pdmeta->generation == mdi->mdio_generation)*/ {
+ mdi->mdio_disks_present++;
+ G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)",
+ mdi->mdio_disks_present,
+ mdi->mdio_total_disks);
+// } else {
+// G_RAID_DEBUG1(1, sc, "Older disk");
+ }
+
+ /* If we collected all needed disks - start array. */
+ if (mdi->mdio_disks_present == mdi->mdio_total_disks)
+ g_raid_md_nvidia_start(sc);
+ }
+}
+
+static void
+g_raid_nvidia_go(void *arg)
+{
+ struct g_raid_softc *sc;
+ struct g_raid_md_object *md;
+ struct g_raid_md_nvidia_object *mdi;
+
+ sc = arg;
+ md = sc->sc_md;
+ mdi = (struct g_raid_md_nvidia_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_nvidia(struct g_raid_md_object *md, struct g_class *mp,
+ struct g_geom **gp)
+{
+ struct g_raid_softc *sc;
+ struct g_raid_md_nvidia_object *mdi;
+ char name[32];
+
+ mdi = (struct g_raid_md_nvidia_object *)md;
+ arc4rand(&mdi->mdio_volume_id, 16, 0);
+ mdi->mdio_generation = 0;
+ snprintf(name, sizeof(name), "NVidia-%016jx%016jx",
+ mdi->mdio_volume_id[0], mdi->mdio_volume_id[1]);
+ 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_nvidia(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_nvidia_object *mdi, *mdi1;
+ struct g_raid_softc *sc;
+ struct g_raid_disk *disk;
+ struct nvidia_raid_conf *meta;
+ struct g_raid_md_nvidia_perdisk *pd;
+ struct g_geom *geom;
+ int error, disk_pos, result, spare, len;
+ char name[32];
+ uint16_t vendor;
+
+ G_RAID_DEBUG(1, "Tasting NVidia on %s", cp->provider->name);
+ mdi = (struct g_raid_md_nvidia_object *)md;
+ pp = cp->provider;
+
+ /* Read metadata from device. */
+ meta = NULL;
+ spare = 0;
+ vendor = 0xffff;
+ disk_pos = 0;
+ if (g_access(cp, 1, 0, 0) != 0)
+ return (G_RAID_MD_TASTE_FAIL);
+ g_topology_unlock();
+ len = 2;
+ if (pp->geom->rank == 1)
+ g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
+ meta = nvidia_meta_read(cp);
+ g_topology_lock();
+ g_access(cp, -1, 0, 0);
+ if (meta == NULL) {
+ if (g_raid_aggressive_spare) {
+ if (vendor == 0x1095) {
+ G_RAID_DEBUG(1,
+ "No NVidia metadata, forcing spare.");
+ spare = 2;
+ goto search;
+ } else {
+ G_RAID_DEBUG(1,
+ "NVidia vendor mismatch 0x%04x != 0x1095",
+ vendor);
+ }
+ }
+ return (G_RAID_MD_TASTE_FAIL);
+ }
+
+ /* Check this disk position in obtained metadata. */
+ disk_pos = meta->disk_number;
+ if (disk_pos == -1) {
+ G_RAID_DEBUG(1, "NVidia disk position not found");
+ goto fail1;
+ }
+
+ /* Metadata valid. Print it. */
+ g_raid_md_nvidia_print(meta);
+ G_RAID_DEBUG(1, "NVidia disk position %d", disk_pos);
+ spare = 0;//(meta->type == NVIDIA_T_SPARE) ? 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_nvidia_object *)sc->sc_md;
+ if (spare) {
+ if (mdi1->mdio_incomplete)
+ break;
+ } else {
+ if (memcmp(&mdi1->mdio_volume_id,
+ &meta->volume_id, 16) == 0)
+ 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;
+ memcpy(&mdi->mdio_volume_id, &meta->volume_id, 16);
+ snprintf(name, sizeof(name), "NVidia-%016jx%016jx",
+ mdi->mdio_volume_id[0], mdi->mdio_volume_id[1]);
+ sc = g_raid_create_node(mp, name, md);
+ md->mdo_softc = sc;
+ geom = sc->sc_geom;
+ callout_init(&mdi->mdio_start_co, 1);
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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