ac03832ef3
Similar to what was done for device_printfs in r347229. Convert g_print_bio() to a thin shim around g_format_bio(), which acts on an sbuf; documented in g_bio.9. Reviewed by: markj Discussed with: rlibby Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D21165
1587 lines
44 KiB
C
1587 lines
44 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2011 Alexander Motin <mav@FreeBSD.org>
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* Copyright (c) 2000 - 2008 Søren Schmidt <sos@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/bio.h>
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#include <sys/endian.h>
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#include <sys/kernel.h>
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#include <sys/kobj.h>
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#include <sys/limits.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/mutex.h>
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#include <sys/systm.h>
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#include <sys/taskqueue.h>
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#include <geom/geom.h>
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#include <geom/geom_dbg.h>
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#include "geom/raid/g_raid.h"
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#include "g_raid_md_if.h"
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static MALLOC_DEFINE(M_MD_NVIDIA, "md_nvidia_data", "GEOM_RAID NVIDIA metadata");
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struct nvidia_raid_conf {
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uint8_t nvidia_id[8];
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#define NVIDIA_MAGIC "NVIDIA "
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uint32_t config_size;
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uint32_t checksum;
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uint16_t version;
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uint8_t disk_number;
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uint8_t dummy_0;
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uint32_t total_sectors;
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uint32_t sector_size;
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uint8_t name[16];
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uint8_t revision[4];
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uint32_t disk_status;
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uint32_t magic_0;
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#define NVIDIA_MAGIC0 0x00640044
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uint64_t volume_id[2];
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uint8_t state;
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#define NVIDIA_S_IDLE 0
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#define NVIDIA_S_INIT 2
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#define NVIDIA_S_REBUILD 3
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#define NVIDIA_S_UPGRADE 4
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#define NVIDIA_S_SYNC 5
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uint8_t array_width;
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uint8_t total_disks;
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uint8_t orig_array_width;
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uint16_t type;
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#define NVIDIA_T_RAID0 0x0080
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#define NVIDIA_T_RAID1 0x0081
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#define NVIDIA_T_RAID3 0x0083
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#define NVIDIA_T_RAID5 0x0085 /* RLQ = 00/02? */
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#define NVIDIA_T_RAID5_SYM 0x0095 /* RLQ = 03 */
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#define NVIDIA_T_RAID10 0x008a
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#define NVIDIA_T_RAID01 0x8180
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#define NVIDIA_T_CONCAT 0x00ff
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uint16_t dummy_3;
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uint32_t strip_sectors;
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uint32_t strip_bytes;
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uint32_t strip_shift;
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uint32_t strip_mask;
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uint32_t stripe_sectors;
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uint32_t stripe_bytes;
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uint32_t rebuild_lba;
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uint32_t orig_type;
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uint32_t orig_total_sectors;
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uint32_t status;
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#define NVIDIA_S_BOOTABLE 0x00000001
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#define NVIDIA_S_DEGRADED 0x00000002
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uint32_t filler[98];
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} __packed;
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struct g_raid_md_nvidia_perdisk {
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struct nvidia_raid_conf *pd_meta;
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int pd_disk_pos;
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off_t pd_disk_size;
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};
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struct g_raid_md_nvidia_object {
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struct g_raid_md_object mdio_base;
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uint64_t mdio_volume_id[2];
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struct nvidia_raid_conf *mdio_meta;
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struct callout mdio_start_co; /* STARTING state timer. */
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int mdio_total_disks;
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int mdio_disks_present;
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int mdio_started;
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int mdio_incomplete;
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struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
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};
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static g_raid_md_create_t g_raid_md_create_nvidia;
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static g_raid_md_taste_t g_raid_md_taste_nvidia;
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static g_raid_md_event_t g_raid_md_event_nvidia;
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static g_raid_md_ctl_t g_raid_md_ctl_nvidia;
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static g_raid_md_write_t g_raid_md_write_nvidia;
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static g_raid_md_fail_disk_t g_raid_md_fail_disk_nvidia;
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static g_raid_md_free_disk_t g_raid_md_free_disk_nvidia;
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static g_raid_md_free_t g_raid_md_free_nvidia;
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static kobj_method_t g_raid_md_nvidia_methods[] = {
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KOBJMETHOD(g_raid_md_create, g_raid_md_create_nvidia),
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KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_nvidia),
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KOBJMETHOD(g_raid_md_event, g_raid_md_event_nvidia),
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KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_nvidia),
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KOBJMETHOD(g_raid_md_write, g_raid_md_write_nvidia),
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KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_nvidia),
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KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_nvidia),
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KOBJMETHOD(g_raid_md_free, g_raid_md_free_nvidia),
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{ 0, 0 }
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};
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static struct g_raid_md_class g_raid_md_nvidia_class = {
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"NVIDIA",
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g_raid_md_nvidia_methods,
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sizeof(struct g_raid_md_nvidia_object),
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.mdc_enable = 1,
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.mdc_priority = 100
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};
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static int NVIDIANodeID = 1;
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static void
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g_raid_md_nvidia_print(struct nvidia_raid_conf *meta)
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{
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if (g_raid_debug < 1)
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return;
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printf("********* ATA NVIDIA RAID Metadata *********\n");
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printf("nvidia_id <%.8s>\n", meta->nvidia_id);
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printf("config_size %u\n", meta->config_size);
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printf("checksum 0x%08x\n", meta->checksum);
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printf("version 0x%04x\n", meta->version);
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printf("disk_number %d\n", meta->disk_number);
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printf("dummy_0 0x%02x\n", meta->dummy_0);
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printf("total_sectors %u\n", meta->total_sectors);
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printf("sector_size %u\n", meta->sector_size);
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printf("name <%.16s>\n", meta->name);
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printf("revision 0x%02x%02x%02x%02x\n",
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meta->revision[0], meta->revision[1],
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meta->revision[2], meta->revision[3]);
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printf("disk_status 0x%08x\n", meta->disk_status);
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printf("magic_0 0x%08x\n", meta->magic_0);
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printf("volume_id 0x%016jx%016jx\n",
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meta->volume_id[1], meta->volume_id[0]);
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printf("state 0x%02x\n", meta->state);
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printf("array_width %u\n", meta->array_width);
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printf("total_disks %u\n", meta->total_disks);
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printf("orig_array_width %u\n", meta->orig_array_width);
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printf("type 0x%04x\n", meta->type);
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printf("dummy_3 0x%04x\n", meta->dummy_3);
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printf("strip_sectors %u\n", meta->strip_sectors);
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printf("strip_bytes %u\n", meta->strip_bytes);
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printf("strip_shift %u\n", meta->strip_shift);
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printf("strip_mask 0x%08x\n", meta->strip_mask);
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printf("stripe_sectors %u\n", meta->stripe_sectors);
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printf("stripe_bytes %u\n", meta->stripe_bytes);
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printf("rebuild_lba %u\n", meta->rebuild_lba);
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printf("orig_type 0x%04x\n", meta->orig_type);
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printf("orig_total_sectors %u\n", meta->orig_total_sectors);
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printf("status 0x%08x\n", meta->status);
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printf("=================================================\n");
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}
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static struct nvidia_raid_conf *
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nvidia_meta_copy(struct nvidia_raid_conf *meta)
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{
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struct nvidia_raid_conf *nmeta;
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nmeta = malloc(sizeof(*meta), M_MD_NVIDIA, M_WAITOK);
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memcpy(nmeta, meta, sizeof(*meta));
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return (nmeta);
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}
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static int
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nvidia_meta_translate_disk(struct nvidia_raid_conf *meta, int md_disk_pos)
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{
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int disk_pos;
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if (md_disk_pos >= 0 && meta->type == NVIDIA_T_RAID01) {
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disk_pos = (md_disk_pos / meta->array_width) +
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(md_disk_pos % meta->array_width) * meta->array_width;
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} else
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disk_pos = md_disk_pos;
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return (disk_pos);
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}
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static void
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nvidia_meta_get_name(struct nvidia_raid_conf *meta, char *buf)
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{
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int i;
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strncpy(buf, meta->name, 16);
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buf[16] = 0;
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for (i = 15; i >= 0; i--) {
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if (buf[i] > 0x20)
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break;
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buf[i] = 0;
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}
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}
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static void
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nvidia_meta_put_name(struct nvidia_raid_conf *meta, char *buf)
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{
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memset(meta->name, 0x20, 16);
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memcpy(meta->name, buf, MIN(strlen(buf), 16));
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}
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static struct nvidia_raid_conf *
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nvidia_meta_read(struct g_consumer *cp)
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{
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struct g_provider *pp;
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struct nvidia_raid_conf *meta;
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char *buf;
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int error, i;
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uint32_t checksum, *ptr;
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pp = cp->provider;
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/* Read the anchor sector. */
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buf = g_read_data(cp,
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pp->mediasize - 2 * pp->sectorsize, pp->sectorsize, &error);
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if (buf == NULL) {
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G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
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pp->name, error);
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return (NULL);
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}
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meta = (struct nvidia_raid_conf *)buf;
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/* Check if this is an NVIDIA RAID struct */
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if (strncmp(meta->nvidia_id, NVIDIA_MAGIC, strlen(NVIDIA_MAGIC))) {
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G_RAID_DEBUG(1, "NVIDIA signature check failed on %s", pp->name);
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g_free(buf);
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return (NULL);
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}
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if (meta->config_size > 128 ||
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meta->config_size < 30) {
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G_RAID_DEBUG(1, "NVIDIA metadata size looks wrong: %d",
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meta->config_size);
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g_free(buf);
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return (NULL);
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}
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meta = malloc(sizeof(*meta), M_MD_NVIDIA, M_WAITOK);
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memcpy(meta, buf, min(sizeof(*meta), pp->sectorsize));
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g_free(buf);
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/* Check metadata checksum. */
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for (checksum = 0, ptr = (uint32_t *)meta,
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i = 0; i < meta->config_size; i++)
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checksum += *ptr++;
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if (checksum != 0) {
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G_RAID_DEBUG(1, "NVIDIA checksum check failed on %s", pp->name);
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free(meta, M_MD_NVIDIA);
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return (NULL);
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}
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/* Check volume state. */
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if (meta->state != NVIDIA_S_IDLE && meta->state != NVIDIA_S_INIT &&
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meta->state != NVIDIA_S_REBUILD && meta->state != NVIDIA_S_SYNC) {
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G_RAID_DEBUG(1, "NVIDIA unknown state on %s (0x%02x)",
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pp->name, meta->state);
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free(meta, M_MD_NVIDIA);
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return (NULL);
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}
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/* Check raid type. */
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if (meta->type != NVIDIA_T_RAID0 && meta->type != NVIDIA_T_RAID1 &&
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meta->type != NVIDIA_T_RAID3 && meta->type != NVIDIA_T_RAID5 &&
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meta->type != NVIDIA_T_RAID5_SYM &&
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meta->type != NVIDIA_T_RAID01 && meta->type != NVIDIA_T_CONCAT) {
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G_RAID_DEBUG(1, "NVIDIA unknown RAID level on %s (0x%02x)",
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pp->name, meta->type);
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free(meta, M_MD_NVIDIA);
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return (NULL);
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}
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return (meta);
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}
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static int
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nvidia_meta_write(struct g_consumer *cp, struct nvidia_raid_conf *meta)
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{
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struct g_provider *pp;
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char *buf;
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int error, i;
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uint32_t checksum, *ptr;
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pp = cp->provider;
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/* Recalculate checksum for case if metadata were changed. */
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meta->checksum = 0;
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for (checksum = 0, ptr = (uint32_t *)meta,
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i = 0; i < meta->config_size; i++)
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checksum += *ptr++;
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meta->checksum -= checksum;
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/* Create and fill buffer. */
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buf = malloc(pp->sectorsize, M_MD_NVIDIA, M_WAITOK | M_ZERO);
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memcpy(buf, meta, sizeof(*meta));
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/* Write metadata. */
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error = g_write_data(cp,
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pp->mediasize - 2 * pp->sectorsize, buf, pp->sectorsize);
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if (error != 0) {
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G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
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pp->name, error);
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}
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free(buf, M_MD_NVIDIA);
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return (error);
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}
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static int
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nvidia_meta_erase(struct g_consumer *cp)
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{
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struct g_provider *pp;
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char *buf;
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int error;
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pp = cp->provider;
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buf = malloc(pp->sectorsize, M_MD_NVIDIA, M_WAITOK | M_ZERO);
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error = g_write_data(cp,
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pp->mediasize - 2 * pp->sectorsize, buf, pp->sectorsize);
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if (error != 0) {
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G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
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pp->name, error);
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}
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free(buf, M_MD_NVIDIA);
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return (error);
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}
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static struct g_raid_disk *
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g_raid_md_nvidia_get_disk(struct g_raid_softc *sc, int id)
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{
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struct g_raid_disk *disk;
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struct g_raid_md_nvidia_perdisk *pd;
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TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
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pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
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if (pd->pd_disk_pos == id)
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break;
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}
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return (disk);
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}
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static int
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g_raid_md_nvidia_supported(int level, int qual, int disks, int force)
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{
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switch (level) {
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case G_RAID_VOLUME_RL_RAID0:
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if (disks < 1)
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return (0);
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if (!force && (disks < 2 || disks > 6))
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return (0);
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break;
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case G_RAID_VOLUME_RL_RAID1:
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if (disks < 1)
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return (0);
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if (!force && (disks != 2))
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return (0);
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break;
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case G_RAID_VOLUME_RL_RAID1E:
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if (disks < 2)
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return (0);
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if (disks % 2 != 0)
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return (0);
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if (!force && (disks < 4))
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return (0);
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break;
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case G_RAID_VOLUME_RL_SINGLE:
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if (disks != 1)
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return (0);
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break;
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case G_RAID_VOLUME_RL_CONCAT:
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if (disks < 2)
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return (0);
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break;
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case G_RAID_VOLUME_RL_RAID5:
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if (disks < 3)
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return (0);
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if (qual != G_RAID_VOLUME_RLQ_R5LA &&
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qual != G_RAID_VOLUME_RLQ_R5LS)
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return (0);
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break;
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default:
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return (0);
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}
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if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE)
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return (0);
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return (1);
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}
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|
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static int
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g_raid_md_nvidia_start_disk(struct g_raid_disk *disk)
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{
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struct g_raid_softc *sc;
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struct g_raid_subdisk *sd, *tmpsd;
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struct g_raid_disk *olddisk, *tmpdisk;
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struct g_raid_md_object *md;
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struct g_raid_md_nvidia_object *mdi;
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struct g_raid_md_nvidia_perdisk *pd, *oldpd;
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struct nvidia_raid_conf *meta;
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int disk_pos, resurrection = 0;
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sc = disk->d_softc;
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md = sc->sc_md;
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mdi = (struct g_raid_md_nvidia_object *)md;
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meta = mdi->mdio_meta;
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pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
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olddisk = NULL;
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|
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/* Find disk position in metadata by its serial. */
|
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if (pd->pd_meta != NULL) {
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disk_pos = pd->pd_meta->disk_number;
|
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if (disk_pos >= meta->total_disks || mdi->mdio_started)
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disk_pos = -3;
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} else
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disk_pos = -3;
|
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/* For RAID0+1 we need to translate order. */
|
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disk_pos = nvidia_meta_translate_disk(meta, disk_pos);
|
|
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 + 2 * 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:
|
|
g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE);
|
|
return (1);
|
|
}
|
|
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 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_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);
|
|
} else if (meta->state == NVIDIA_S_REBUILD &&
|
|
(pd->pd_meta->disk_status & 0x100)) {
|
|
/* Rebuilding disk. */
|
|
g_raid_change_subdisk_state(sd,
|
|
G_RAID_SUBDISK_S_REBUILD);
|
|
sd->sd_rebuild_pos = (off_t)pd->pd_meta->rebuild_lba /
|
|
meta->array_width * pd->pd_meta->sector_size;
|
|
} else if (meta->state == NVIDIA_S_SYNC) {
|
|
/* Resyncing/dirty disk. */
|
|
g_raid_change_subdisk_state(sd,
|
|
G_RAID_SUBDISK_S_RESYNC);
|
|
sd->sd_rebuild_pos = (off_t)pd->pd_meta->rebuild_lba /
|
|
meta->array_width * pd->pd_meta->sector_size;
|
|
} 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_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 g_raid_disk *disk;
|
|
struct task *task;
|
|
int update, na;
|
|
|
|
md = sc->sc_md;
|
|
mdi = (struct g_raid_md_nvidia_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_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);
|
|
|
|
/* 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;
|
|
off_t size;
|
|
int j, disk_pos;
|
|
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;
|
|
vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
|
|
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_RAID01) {
|
|
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;
|
|
vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA;
|
|
size = vol->v_mediasize / (mdi->mdio_total_disks - 1);
|
|
} else if (meta->type == NVIDIA_T_RAID5_SYM) {
|
|
vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
|
|
vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LS;
|
|
size = vol->v_mediasize / (mdi->mdio_total_disks - 1);
|
|
} else {
|
|
vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
|
|
size = 0;
|
|
}
|
|
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. */
|
|
do {
|
|
TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
|
|
if (disk->d_state == G_RAID_DISK_S_NONE) {
|
|
g_raid_md_nvidia_start_disk(disk);
|
|
break;
|
|
}
|
|
}
|
|
} while (disk != 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 ||
|
|
mdi->mdio_meta->disk_number >= mdi->mdio_meta->total_disks) {
|
|
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_total_disks = pdmeta->total_disks;
|
|
mdi->mdio_disks_present = 1;
|
|
} else if (pdmeta->disk_number < mdi->mdio_meta->total_disks) {
|
|
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, "Spare 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);
|
|
snprintf(name, sizeof(name), "NVIDIA-%d",
|
|
atomic_fetchadd_int(&NVIDIANodeID, 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 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;
|
|
g_topology_unlock();
|
|
vendor = 0xffff;
|
|
len = sizeof(vendor);
|
|
if (pp->geom->rank == 1)
|
|
g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
|
|
meta = nvidia_meta_read(cp);
|
|
g_topology_lock();
|
|
if (meta == NULL) {
|
|
if (g_raid_aggressive_spare) {
|
|
if (vendor == 0x10de) {
|
|
G_RAID_DEBUG(1,
|
|
"No NVIDIA metadata, forcing spare.");
|
|
spare = 2;
|
|
goto search;
|
|
} else {
|
|
G_RAID_DEBUG(1,
|
|
"NVIDIA vendor mismatch 0x%04x != 0x10de",
|
|
vendor);
|
|
}
|
|
}
|
|
return (G_RAID_MD_TASTE_FAIL);
|
|
}
|
|
|
|
/* Metadata valid. Print it. */
|
|
g_raid_md_nvidia_print(meta);
|
|
G_RAID_DEBUG(1, "NVIDIA disk position %d", meta->disk_number);
|
|
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-%d",
|
|
atomic_fetchadd_int(&NVIDIANodeID, 1));
|
|
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_nvidia_go, sc);
|
|
mdi->mdio_rootmount = root_mount_hold("GRAID-NVIDIA");
|
|
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_NVIDIA, M_WAITOK | M_ZERO);
|
|
pd->pd_meta = meta;
|
|
if (spare == 2) {
|
|
pd->pd_disk_pos = -3;
|
|
} else {
|
|
pd->pd_disk_pos = -1;
|
|
}
|
|
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_nvidia_new_disk(disk);
|
|
|
|
sx_xunlock(&sc->sc_lock);
|
|
g_topology_lock();
|
|
*gp = geom;
|
|
return (result);
|
|
fail1:
|
|
free(meta, M_MD_NVIDIA);
|
|
return (G_RAID_MD_TASTE_FAIL);
|
|
}
|
|
|
|
static int
|
|
g_raid_md_event_nvidia(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_nvidia_object *mdi;
|
|
struct g_raid_md_nvidia_perdisk *pd;
|
|
|
|
sc = md->mdo_softc;
|
|
mdi = (struct g_raid_md_nvidia_object *)md;
|
|
if (disk == NULL) {
|
|
switch (event) {
|
|
case G_RAID_NODE_E_START:
|
|
if (!mdi->mdio_started) {
|
|
/* Bump volume ID to drop missing disks. */
|
|
arc4rand(&mdi->mdio_volume_id, 16, 0);
|
|
g_raid_md_nvidia_start(sc);
|
|
}
|
|
return (0);
|
|
}
|
|
return (-1);
|
|
}
|
|
pd = (struct g_raid_md_nvidia_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);
|
|
}
|
|
|
|
if (mdi->mdio_started) {
|
|
/* Bump volume ID to prevent disk resurrection. */
|
|
if (pd->pd_disk_pos >= 0)
|
|
arc4rand(&mdi->mdio_volume_id, 16, 0);
|
|
|
|
/* Write updated metadata to all disks. */
|
|
g_raid_md_write_nvidia(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_nvidia_refill(sc);
|
|
return (0);
|
|
}
|
|
return (-2);
|
|
}
|
|
|
|
static int
|
|
g_raid_md_ctl_nvidia(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_nvidia_object *mdi;
|
|
struct g_raid_md_nvidia_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, volsize;
|
|
intmax_t *sizearg, *striparg;
|
|
int numdisks, i, len, level, qual, update;
|
|
int error;
|
|
|
|
sc = md->mdo_softc;
|
|
mdi = (struct g_raid_md_nvidia_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-LS";
|
|
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_nvidia_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_NVIDIA, M_WAITOK | M_ZERO);
|
|
pd->pd_disk_pos = i;
|
|
disk = g_raid_create_disk(sc);
|
|
disk->d_md_data = (void *)pd;
|
|
disk->d_consumer = cp;
|
|
if (cp == NULL)
|
|
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 -= 2 * 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 (level == G_RAID_VOLUME_RL_RAID0 ||
|
|
level == G_RAID_VOLUME_RL_CONCAT ||
|
|
level == G_RAID_VOLUME_RL_SINGLE)
|
|
volsize = size * numdisks;
|
|
else if (level == G_RAID_VOLUME_RL_RAID1)
|
|
volsize = size;
|
|
else if (level == G_RAID_VOLUME_RL_RAID5)
|
|
volsize = size * (numdisks - 1);
|
|
else { /* RAID1E */
|
|
volsize = ((size * numdisks) / strip / 2) *
|
|
strip;
|
|
}
|
|
if (volsize > 0xffffffffllu * 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;
|
|
vol->v_mediasize = volsize;
|
|
vol->v_sectorsize = sectorsize;
|
|
g_raid_start_volume(vol);
|
|
|
|
/* , and subdisks. */
|
|
TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
|
|
pd = (struct g_raid_md_nvidia_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_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);
|
|
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)
|
|
nvidia_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, "/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_nvidia(md, NULL, disk);
|
|
continue;
|
|
}
|
|
|
|
pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
|
|
|
|
/* Erase metadata on deleting disk. */
|
|
nvidia_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_nvidia(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_nvidia_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_NVIDIA, M_WAITOK | M_ZERO);
|
|
pd->pd_disk_pos = -3;
|
|
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_nvidia_start_disk(disk);
|
|
if (disk->d_state != G_RAID_DISK_S_SPARE &&
|
|
disk->d_state != G_RAID_DISK_S_ACTIVE) {
|
|
gctl_error(req, "Disk '%s' doesn't fit.",
|
|
diskname);
|
|
g_raid_destroy_disk(disk);
|
|
error = -8;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Write new metadata if we changed something. */
|
|
if (update)
|
|
g_raid_md_write_nvidia(md, NULL, NULL, NULL);
|
|
return (error);
|
|
}
|
|
gctl_error(req, "Command '%s' is not supported.", verb);
|
|
return (-100);
|
|
}
|
|
|
|
static int
|
|
g_raid_md_write_nvidia(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_nvidia_object *mdi;
|
|
struct g_raid_md_nvidia_perdisk *pd;
|
|
struct nvidia_raid_conf *meta;
|
|
int i, spares;
|
|
|
|
sc = md->mdo_softc;
|
|
mdi = (struct g_raid_md_nvidia_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_NVIDIA, M_WAITOK | M_ZERO);
|
|
if (mdi->mdio_meta)
|
|
memcpy(meta, mdi->mdio_meta, sizeof(*meta));
|
|
memcpy(meta->nvidia_id, NVIDIA_MAGIC, sizeof(NVIDIA_MAGIC) - 1);
|
|
meta->config_size = 30;
|
|
meta->version = 0x0064;
|
|
meta->total_sectors = vol->v_mediasize / vol->v_sectorsize;
|
|
meta->sector_size = vol->v_sectorsize;
|
|
nvidia_meta_put_name(meta, vol->v_name);
|
|
meta->magic_0 = NVIDIA_MAGIC0;
|
|
memcpy(&meta->volume_id, &mdi->mdio_volume_id, 16);
|
|
meta->state = NVIDIA_S_IDLE;
|
|
if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
|
|
meta->array_width = 1;
|
|
else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
|
|
meta->array_width = vol->v_disks_count / 2;
|
|
else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
|
|
meta->array_width = vol->v_disks_count - 1;
|
|
else
|
|
meta->array_width = vol->v_disks_count;
|
|
meta->total_disks = vol->v_disks_count;
|
|
meta->orig_array_width = meta->array_width;
|
|
if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
|
|
meta->type = NVIDIA_T_RAID0;
|
|
else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
|
|
meta->type = NVIDIA_T_RAID1;
|
|
else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
|
|
meta->type = NVIDIA_T_RAID01;
|
|
else if (vol->v_raid_level == G_RAID_VOLUME_RL_CONCAT ||
|
|
vol->v_raid_level == G_RAID_VOLUME_RL_SINGLE)
|
|
meta->type = NVIDIA_T_CONCAT;
|
|
else if (vol->v_raid_level_qualifier == G_RAID_VOLUME_RLQ_R5LA)
|
|
meta->type = NVIDIA_T_RAID5;
|
|
else
|
|
meta->type = NVIDIA_T_RAID5_SYM;
|
|
meta->strip_sectors = vol->v_strip_size / vol->v_sectorsize;
|
|
meta->strip_bytes = vol->v_strip_size;
|
|
meta->strip_shift = ffs(meta->strip_sectors) - 1;
|
|
meta->strip_mask = meta->strip_sectors - 1;
|
|
meta->stripe_sectors = meta->strip_sectors * meta->orig_array_width;
|
|
meta->stripe_bytes = meta->stripe_sectors * vol->v_sectorsize;
|
|
meta->rebuild_lba = 0;
|
|
meta->orig_type = meta->type;
|
|
meta->orig_total_sectors = meta->total_sectors;
|
|
meta->status = 0;
|
|
|
|
for (i = 0; i < vol->v_disks_count; i++) {
|
|
sd = &vol->v_subdisks[i];
|
|
if ((sd->sd_state == G_RAID_SUBDISK_S_STALE ||
|
|
sd->sd_state == G_RAID_SUBDISK_S_RESYNC ||
|
|
vol->v_dirty) &&
|
|
meta->state != NVIDIA_S_REBUILD)
|
|
meta->state = NVIDIA_S_SYNC;
|
|
else if (sd->sd_state == G_RAID_SUBDISK_S_NEW ||
|
|
sd->sd_state == G_RAID_SUBDISK_S_REBUILD)
|
|
meta->state = NVIDIA_S_REBUILD;
|
|
}
|
|
|
|
/* We are done. Print meta data and store them to disks. */
|
|
if (mdi->mdio_meta != NULL)
|
|
free(mdi->mdio_meta, M_MD_NVIDIA);
|
|
mdi->mdio_meta = meta;
|
|
spares = 0;
|
|
TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
|
|
pd = (struct g_raid_md_nvidia_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_NVIDIA);
|
|
pd->pd_meta = NULL;
|
|
}
|
|
pd->pd_meta = nvidia_meta_copy(meta);
|
|
if ((sd = TAILQ_FIRST(&disk->d_subdisks)) != NULL) {
|
|
/* For RAID0+1 we need to translate order. */
|
|
pd->pd_meta->disk_number =
|
|
nvidia_meta_translate_disk(meta, sd->sd_pos);
|
|
if (sd->sd_state != G_RAID_SUBDISK_S_ACTIVE) {
|
|
pd->pd_meta->disk_status = 0x100;
|
|
pd->pd_meta->rebuild_lba =
|
|
sd->sd_rebuild_pos / vol->v_sectorsize *
|
|
meta->array_width;
|
|
}
|
|
} else
|
|
pd->pd_meta->disk_number = meta->total_disks + spares++;
|
|
G_RAID_DEBUG(1, "Writing NVIDIA metadata to %s",
|
|
g_raid_get_diskname(disk));
|
|
g_raid_md_nvidia_print(pd->pd_meta);
|
|
nvidia_meta_write(disk->d_consumer, pd->pd_meta);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
g_raid_md_fail_disk_nvidia(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_nvidia_perdisk *pd;
|
|
struct g_raid_subdisk *sd;
|
|
|
|
sc = md->mdo_softc;
|
|
pd = (struct g_raid_md_nvidia_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);
|
|
|
|
/* Erase metadata to prevent disks's later resurrection. */
|
|
if (tdisk->d_consumer)
|
|
nvidia_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_nvidia(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_nvidia_refill(sc);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
g_raid_md_free_disk_nvidia(struct g_raid_md_object *md,
|
|
struct g_raid_disk *disk)
|
|
{
|
|
struct g_raid_md_nvidia_perdisk *pd;
|
|
|
|
pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
|
|
if (pd->pd_meta != NULL) {
|
|
free(pd->pd_meta, M_MD_NVIDIA);
|
|
pd->pd_meta = NULL;
|
|
}
|
|
free(pd, M_MD_NVIDIA);
|
|
disk->d_md_data = NULL;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
g_raid_md_free_nvidia(struct g_raid_md_object *md)
|
|
{
|
|
struct g_raid_md_nvidia_object *mdi;
|
|
|
|
mdi = (struct g_raid_md_nvidia_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_NVIDIA);
|
|
mdi->mdio_meta = NULL;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
G_RAID_MD_DECLARE(nvidia, "NVIDIA");
|