669 lines
21 KiB
C
669 lines
21 KiB
C
/*-
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* Copyright (c) 2000 - 2005 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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* without modification, immediately at the beginning of the file.
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/* misc defines */
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#define MAX_ARRAYS 16
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#define MAX_DISKS 16
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#define AR_PROXIMITY 2048 /* how many sectors is "close" */
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#define ATA_MAGIC "FreeBSD ATA driver RAID "
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struct ata_raid_subdisk {
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struct ar_softc *raid;
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int disk_number;
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};
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/* ATA PseudoRAID Metadata */
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struct ar_softc {
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int lun; /* logical unit number of this RAID */
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u_int8_t name[32]; /* name of array if any */
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u_int64_t magic_0; /* magic for this array */
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u_int64_t magic_1; /* magic for this array */
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int type;
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#define AR_T_JBOD 0x0001
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#define AR_T_SPAN 0x0002
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#define AR_T_RAID0 0x0004
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#define AR_T_RAID1 0x0008
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#define AR_T_RAID01 0x0010
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#define AR_T_RAID3 0x0020
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#define AR_T_RAID4 0x0040
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#define AR_T_RAID5 0x0080
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int status;
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#define AR_S_READY 0x0001
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#define AR_S_DEGRADED 0x0002
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#define AR_S_REBUILDING 0x0004
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int format;
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#define AR_F_FREEBSD_RAID 0x0001
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#define AR_F_ADAPTEC_RAID 0x0002
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#define AR_F_HPTV2_RAID 0x0004
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#define AR_F_HPTV3_RAID 0x0008
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#define AR_F_INTEL_RAID 0x0010
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#define AR_F_ITE_RAID 0x0020
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#define AR_F_LSIV2_RAID 0x0040
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#define AR_F_LSIV3_RAID 0x0080
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#define AR_F_PROMISE_RAID 0x0100
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#define AR_F_SII_RAID 0x0200
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#define AR_F_VIA_RAID 0x0400
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#define AR_F_FORMAT_MASK 0x07ff
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u_int generation; /* generation of this array */
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u_int64_t total_sectors;
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u_int64_t offset_sectors; /* offset from start of disk */
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u_int16_t heads;
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u_int16_t sectors;
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u_int32_t cylinders;
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u_int width; /* array width in disks */
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u_int interleave; /* interleave in blocks */
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u_int total_disks; /* number of disks in this array */
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struct ar_disk {
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device_t dev;
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u_int8_t serial[16]; /* serial # of physical disk */
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u_int64_t sectors; /* useable sectors on this disk */
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off_t last_lba; /* last lba used (for performance) */
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u_int flags;
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#define AR_DF_PRESENT 0x0001 /* this HW pos has a disk present */
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#define AR_DF_ASSIGNED 0x0002 /* this HW pos assigned to an array */
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#define AR_DF_SPARE 0x0004 /* this HW pos is a spare */
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#define AR_DF_ONLINE 0x0008 /* this HW pos is online and in use */
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} disks[MAX_DISKS];
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int toggle; /* performance hack for RAID1's */
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u_int64_t rebuild_lba; /* rebuild progress indicator */
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struct mtx lock; /* metadata lock */
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struct disk *disk; /* disklabel/slice stuff */
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struct proc *pid; /* rebuilder process id */
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};
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/* Adaptec HostRAID Metadata */
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#define ADP_LBA(dev) \
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(((struct ad_softc *)device_get_ivars(dev))->total_secs - 17)
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/* note all entries are big endian */
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struct adaptec_raid_conf {
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u_int32_t magic_0;
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#define ADP_MAGIC_0 0xc4650790
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u_int32_t generation;
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u_int16_t dummy_0;
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u_int16_t total_configs;
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u_int16_t dummy_1;
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u_int16_t checksum;
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u_int32_t dummy_2;
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u_int32_t dummy_3;
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u_int32_t flags;
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u_int32_t timestamp;
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u_int32_t dummy_4[4];
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u_int32_t dummy_5[4];
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struct {
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u_int16_t total_disks;
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u_int16_t generation;
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u_int32_t magic_0;
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u_int8_t dummy_0;
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u_int8_t type;
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#define ADP_T_RAID0 0x00
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#define ADP_T_RAID1 0x01
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u_int8_t dummy_1;
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u_int8_t flags;
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u_int8_t dummy_2;
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u_int8_t dummy_3;
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u_int8_t dummy_4;
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u_int8_t dummy_5;
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u_int32_t disk_number;
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u_int32_t dummy_6;
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u_int32_t sectors;
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u_int16_t stripe_shift;
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u_int16_t dummy_7;
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u_int32_t dummy_8[4];
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u_int8_t name[16];
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} configs[127];
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u_int32_t dummy_6[13];
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u_int32_t magic_1;
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#define ADP_MAGIC_1 0x9ff85009
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u_int32_t dummy_7[3];
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u_int32_t magic_2;
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u_int32_t dummy_8[46];
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u_int32_t magic_3;
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#define ADP_MAGIC_3 0x4d545044
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u_int32_t magic_4;
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#define ADP_MAGIC_4 0x9ff85009
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u_int32_t dummy_9[62];
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} __packed;
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/* Highpoint V2 RocketRAID Metadata */
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#define HPTV2_LBA(dev) 9
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struct hptv2_raid_conf {
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int8_t filler1[32];
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u_int32_t magic;
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#define HPTV2_MAGIC_OK 0x5a7816f0
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#define HPTV2_MAGIC_BAD 0x5a7816fd
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u_int32_t magic_0;
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u_int32_t magic_1;
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u_int32_t order;
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#define HPTV2_O_RAID0 0x01
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#define HPTV2_O_RAID1 0x02
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#define HPTV2_O_OK 0x04
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u_int8_t array_width;
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u_int8_t stripe_shift;
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u_int8_t type;
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#define HPTV2_T_RAID0 0x00
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#define HPTV2_T_RAID1 0x01
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#define HPTV2_T_RAID01_RAID0 0x02
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#define HPTV2_T_SPAN 0x03
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#define HPTV2_T_RAID_3 0x04
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#define HPTV2_T_RAID_5 0x05
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#define HPTV2_T_JBOD 0x06
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#define HPTV2_T_RAID01_RAID1 0x07
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u_int8_t disk_number;
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u_int32_t total_sectors;
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u_int32_t disk_mode;
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u_int32_t boot_mode;
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u_int8_t boot_disk;
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u_int8_t boot_protect;
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u_int8_t error_log_entries;
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u_int8_t error_log_index;
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struct {
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u_int32_t timestamp;
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u_int8_t reason;
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#define HPTV2_R_REMOVED 0xfe
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#define HPTV2_R_BROKEN 0xff
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u_int8_t disk;
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u_int8_t status;
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u_int8_t sectors;
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u_int32_t lba;
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} errorlog[32];
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int8_t filler2[16];
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u_int32_t rebuild_lba;
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u_int8_t dummy_1;
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u_int8_t name_1[15];
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u_int8_t dummy_2;
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u_int8_t name_2[15];
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int8_t filler3[8];
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} __packed;
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/* Highpoint V3 RocketRAID Metadata */
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#define HPTV3_LBA(dev) \
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(((struct ad_softc *)device_get_ivars(dev))->total_secs - 11)
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struct hptv3_raid_conf {
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u_int32_t magic;
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#define HPTV3_MAGIC 0x5a7816f3
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u_int32_t magic_0;
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u_int8_t checksum_0;
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u_int8_t mode;
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#define HPTV3_BOOT_MARK 0x01
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#define HPTV3_USER_MODE 0x02
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u_int8_t user_mode;
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u_int8_t config_entries;
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struct {
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u_int32_t total_sectors;
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u_int8_t type;
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#define HPTV3_T_SPARE 0x00
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#define HPTV3_T_JBOD 0x03
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#define HPTV3_T_SPAN 0x04
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#define HPTV3_T_RAID0 0x05
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#define HPTV3_T_RAID1 0x06
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#define HPTV3_T_RAID3 0x07
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#define HPTV3_T_RAID5 0x08
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u_int8_t total_disks;
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u_int8_t disk_number;
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u_int8_t stripe_shift;
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u_int16_t status;
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#define HPTV3_T_NEED_REBUILD 0x01
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#define HPTV3_T_RAID5_FLAG 0x02
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u_int16_t critical_disks;
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u_int32_t rebuild_lba;
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} __packed configs[2];
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u_int8_t name[16];
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u_int32_t timestamp;
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u_int8_t description[64];
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u_int8_t creator[16];
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u_int8_t checksum_1;
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u_int8_t dummy_0;
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u_int8_t dummy_1;
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u_int8_t flags;
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#define HPTV3_T_ENABLE_TCQ 0x01
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#define HPTV3_T_ENABLE_NCQ 0x02
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#define HPTV3_T_ENABLE_WCACHE 0x04
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#define HPTV3_T_ENABLE_RCACHE 0x08
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struct {
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u_int32_t total_sectors;
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u_int32_t rebuild_lba;
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} __packed configs_high[2];
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u_int32_t filler[87];
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} __packed;
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/* Intel MatrixRAID Metadata */
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#define INTEL_LBA(dev) \
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(((struct ad_softc *)device_get_ivars(dev))->total_secs - 2)
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struct intel_raid_conf {
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u_int8_t intel_id[24];
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#define INTEL_MAGIC "Intel Raid ISM Cfg Sig. "
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u_int8_t version[6];
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u_int8_t dummy_0[2];
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u_int32_t checksum;
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u_int32_t config_size;
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u_int32_t config_id;
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u_int32_t generation;
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u_int32_t dummy_1[2];
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u_int8_t total_disks;
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u_int8_t total_volumes;
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u_int8_t dummy_2[2];
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u_int32_t filler_0[39];
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struct {
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u_int8_t serial[16];
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u_int32_t sectors;
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u_int32_t id;
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u_int32_t flags;
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#define INTEL_F_SPARE 0x01
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#define INTEL_F_ASSIGNED 0x02
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#define INTEL_F_DOWN 0x04
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#define INTEL_F_ONLINE 0x08
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u_int32_t filler[5];
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} __packed disk[1];
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u_int32_t filler_1[62];
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} __packed;
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struct intel_raid_mapping {
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u_int8_t name[16];
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u_int64_t total_sectors __packed;
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u_int32_t state;
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u_int32_t reserved;
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u_int32_t filler_1[20];
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u_int32_t offset;
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u_int32_t disk_sectors;
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u_int32_t stripe_count;
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u_int16_t stripe_sectors;
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u_int8_t status;
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#define INTEL_S_READY 0x00
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#define INTEL_S_DISABLED 0x01
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#define INTEL_S_DEGRADED 0x02
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#define INTEL_S_FAILURE 0x03
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u_int8_t type;
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#define INTEL_T_RAID0 0x00
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#define INTEL_T_RAID1 0x01
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u_int8_t total_disks;
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u_int8_t dummy_2[3];
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u_int32_t filler_2[7];
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u_int32_t disk_idx[1];
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} __packed;
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/* Integrated Technology Express Metadata */
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#define ITE_LBA(dev) \
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(((struct ad_softc *)device_get_ivars(dev))->total_secs - 2)
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struct ite_raid_conf {
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u_int32_t filler_1[5];
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u_int8_t timestamp_0[8];
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u_int32_t dummy_1;
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u_int32_t filler_2[5];
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u_int16_t filler_3;
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u_int8_t ite_id[40];
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#define ITE_MAGIC "Integrated Technology Express Inc "
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u_int16_t filler_4;
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u_int32_t filler_5[6];
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u_int32_t dummy_2;
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u_int32_t dummy_3;
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u_int32_t filler_6[12];
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u_int32_t dummy_4;
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u_int32_t filler_7[5];
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u_int64_t total_sectors __packed;
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u_int32_t filler_8[12];
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u_int16_t filler_9;
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u_int8_t type;
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#define ITE_T_RAID0 0x00
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#define ITE_T_RAID1 0x01
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#define ITE_T_RAID01 0x02
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#define ITE_T_SPAN 0x03
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u_int8_t filler_10;
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u_int32_t dummy_5[8];
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u_int8_t stripe_1kblocks;
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u_int8_t filler_11[3];
|
|
u_int32_t filler_12[54];
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|
|
u_int32_t dummy_6[4];
|
|
u_int8_t timestamp_1[8];
|
|
u_int32_t filler_13[9];
|
|
u_int8_t stripe_sectors;
|
|
u_int8_t filler_14[3];
|
|
u_int8_t array_width;
|
|
u_int8_t filler_15[3];
|
|
u_int32_t filler_16;
|
|
u_int8_t filler_17;
|
|
u_int8_t disk_number;
|
|
u_int32_t disk_sectors;
|
|
u_int16_t filler_18;
|
|
u_int32_t dummy_7[4];
|
|
u_int32_t filler_20[104];
|
|
} __packed;
|
|
|
|
|
|
/* LSILogic V2 MegaRAID Metadata */
|
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#define LSIV2_LBA(dev) \
|
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(((struct ad_softc *)device_get_ivars(dev))->total_secs - 1)
|
|
|
|
struct lsiv2_raid_conf {
|
|
u_int8_t lsi_id[6];
|
|
#define LSIV2_MAGIC "$XIDE$"
|
|
|
|
u_int8_t dummy_0;
|
|
u_int8_t flags;
|
|
u_int16_t version;
|
|
u_int8_t config_entries;
|
|
u_int8_t raid_count;
|
|
u_int8_t total_disks;
|
|
u_int8_t dummy_1;
|
|
u_int16_t dummy_2;
|
|
|
|
union {
|
|
struct {
|
|
u_int8_t type;
|
|
#define LSIV2_T_RAID0 0x01
|
|
#define LSIV2_T_RAID1 0x02
|
|
#define LSIV2_T_SPARE 0x08
|
|
|
|
u_int8_t dummy_0;
|
|
u_int16_t stripe_sectors;
|
|
u_int8_t array_width;
|
|
u_int8_t disk_count;
|
|
u_int8_t config_offset;
|
|
u_int8_t dummy_1;
|
|
u_int8_t flags;
|
|
#define LSIV2_R_DEGRADED 0x02
|
|
|
|
u_int32_t total_sectors;
|
|
u_int8_t filler[3];
|
|
} __packed raid;
|
|
struct {
|
|
u_int8_t device;
|
|
#define LSIV2_D_MASTER 0x00
|
|
#define LSIV2_D_SLAVE 0x01
|
|
#define LSIV2_D_CHANNEL0 0x00
|
|
#define LSIV2_D_CHANNEL1 0x10
|
|
#define LSIV2_D_NONE 0xff
|
|
|
|
u_int8_t dummy_0;
|
|
u_int32_t disk_sectors;
|
|
u_int8_t disk_number;
|
|
u_int8_t raid_number;
|
|
u_int8_t flags;
|
|
#define LSIV2_D_GONE 0x02
|
|
|
|
u_int8_t filler[7];
|
|
} __packed disk;
|
|
} configs[30];
|
|
u_int8_t disk_number;
|
|
u_int8_t raid_number;
|
|
u_int32_t timestamp;
|
|
u_int8_t filler[10];
|
|
} __packed;
|
|
|
|
|
|
/* LSILogic V3 MegaRAID Metadata */
|
|
#define LSIV3_LBA(dev) \
|
|
(((struct ad_softc *)device_get_ivars(dev))->total_secs - 4)
|
|
|
|
struct lsiv3_raid_conf {
|
|
u_int32_t magic_0; /* 0xa0203200 */
|
|
u_int32_t filler_0[3];
|
|
u_int8_t magic_1[4]; /* "SATA" */
|
|
u_int32_t filler_1[40];
|
|
u_int32_t dummy_0; /* 0x0d000003 */
|
|
u_int32_t filler_2[7];
|
|
u_int32_t dummy_1; /* 0x0d000003 */
|
|
u_int32_t filler_3[70];
|
|
u_int8_t magic_2[8]; /* "$_ENQ$31" */
|
|
u_int8_t filler_4[7];
|
|
u_int8_t checksum_0;
|
|
u_int8_t filler_5[512*2];
|
|
u_int8_t lsi_id[6];
|
|
#define LSIV3_MAGIC "$_IDE$"
|
|
|
|
u_int16_t dummy_2; /* 0x33de for OK disk */
|
|
u_int16_t version; /* 0x0131 for this version */
|
|
u_int16_t dummy_3; /* 0x0440 always */
|
|
u_int32_t filler_6;
|
|
|
|
struct {
|
|
u_int16_t stripe_pages;
|
|
u_int8_t type;
|
|
#define LSIV3_T_RAID0 0x00
|
|
#define LSIV3_T_RAID1 0x01
|
|
|
|
u_int8_t dummy_0;
|
|
u_int8_t total_disks;
|
|
u_int8_t array_width;
|
|
u_int8_t filler_0[10];
|
|
|
|
u_int32_t sectors;
|
|
u_int16_t dummy_1;
|
|
u_int32_t offset;
|
|
u_int16_t dummy_2;
|
|
u_int8_t device;
|
|
#define LSIV3_D_DEVICE 0x01
|
|
#define LSIV3_D_CHANNEL 0x10
|
|
|
|
u_int8_t dummy_3;
|
|
u_int8_t dummy_4;
|
|
u_int8_t dummy_5;
|
|
u_int8_t filler_1[16];
|
|
} __packed raid[8];
|
|
struct {
|
|
u_int32_t disk_sectors;
|
|
u_int32_t dummy_0;
|
|
u_int32_t dummy_1;
|
|
u_int8_t dummy_2;
|
|
u_int8_t dummy_3;
|
|
u_int8_t flags;
|
|
#define LSIV3_D_MIRROR 0x00
|
|
#define LSIV3_D_STRIPE 0xff
|
|
u_int8_t dummy_4;
|
|
} __packed disk[6];
|
|
u_int8_t filler_7[7];
|
|
u_int8_t device;
|
|
u_int32_t timestamp;
|
|
u_int8_t filler_8[3];
|
|
u_int8_t checksum_1;
|
|
} __packed;
|
|
|
|
|
|
/* Promise FastTrak Metadata */
|
|
#define PR_LBA(dev) \
|
|
(((((struct ad_softc *)device_get_ivars(dev))->total_secs / (((struct ad_softc *)device_get_ivars(dev))->heads * ((struct ad_softc *)device_get_ivars(dev))->sectors)) * ((struct ad_softc *)device_get_ivars(dev))->heads * ((struct ad_softc *)device_get_ivars(dev))->sectors) - ((struct ad_softc *)device_get_ivars(dev))->sectors)
|
|
|
|
struct promise_raid_conf {
|
|
char promise_id[24];
|
|
#define PR_MAGIC "Promise Technology, Inc."
|
|
|
|
u_int32_t dummy_0;
|
|
u_int64_t magic_0;
|
|
#define PR_MAGIC0(x) (((u_int64_t)(x.channel) << 48) | \
|
|
((u_int64_t)(x.device != 0) << 56))
|
|
u_int16_t magic_1;
|
|
u_int32_t magic_2;
|
|
u_int8_t filler1[470];
|
|
struct {
|
|
u_int32_t integrity;
|
|
#define PR_I_VALID 0x00000080
|
|
|
|
u_int8_t flags;
|
|
#define PR_F_VALID 0x00000001
|
|
#define PR_F_ONLINE 0x00000002
|
|
#define PR_F_ASSIGNED 0x00000004
|
|
#define PR_F_SPARE 0x00000008
|
|
#define PR_F_DUPLICATE 0x00000010
|
|
#define PR_F_REDIR 0x00000020
|
|
#define PR_F_DOWN 0x00000040
|
|
#define PR_F_READY 0x00000080
|
|
|
|
u_int8_t disk_number;
|
|
u_int8_t channel;
|
|
u_int8_t device;
|
|
u_int64_t magic_0 __packed;
|
|
u_int32_t disk_offset;
|
|
u_int32_t disk_sectors;
|
|
u_int32_t rebuild_lba;
|
|
u_int16_t generation;
|
|
u_int8_t status;
|
|
#define PR_S_VALID 0x01
|
|
#define PR_S_ONLINE 0x02
|
|
#define PR_S_INITED 0x04
|
|
#define PR_S_READY 0x08
|
|
#define PR_S_DEGRADED 0x10
|
|
#define PR_S_MARKED 0x20
|
|
#define PR_S_FUNCTIONAL 0x80
|
|
|
|
u_int8_t type;
|
|
#define PR_T_RAID0 0x00
|
|
#define PR_T_RAID1 0x01
|
|
#define PR_T_RAID3 0x02
|
|
#define PR_T_RAID5 0x04
|
|
#define PR_T_SPAN 0x08
|
|
#define PR_T_JBOD 0x10
|
|
|
|
u_int8_t total_disks;
|
|
u_int8_t stripe_shift;
|
|
u_int8_t array_width;
|
|
u_int8_t array_number;
|
|
u_int32_t total_sectors;
|
|
u_int16_t cylinders;
|
|
u_int8_t heads;
|
|
u_int8_t sectors;
|
|
u_int64_t magic_1 __packed;
|
|
struct {
|
|
u_int8_t flags;
|
|
u_int8_t dummy_0;
|
|
u_int8_t channel;
|
|
u_int8_t device;
|
|
u_int64_t magic_0 __packed;
|
|
} disk[8];
|
|
} raid;
|
|
int32_t filler2[346];
|
|
u_int32_t checksum;
|
|
} __packed;
|
|
|
|
|
|
/* Silicon Image Medley Metadata */
|
|
#define SII_LBA(dev) \
|
|
( ((struct ad_softc *)device_get_ivars(dev))->total_secs - 1)
|
|
|
|
struct sii_raid_conf {
|
|
u_int16_t ata_params_00_53[54];
|
|
u_int64_t total_sectors;
|
|
u_int16_t ata_params_58_79[70];
|
|
u_int16_t dummy_0;
|
|
u_int16_t dummy_1;
|
|
u_int32_t controller_pci_id;
|
|
u_int16_t version_minor;
|
|
u_int16_t version_major;
|
|
u_int8_t timestamp[6];
|
|
u_int16_t stripe_sectors;
|
|
u_int16_t dummy_2;
|
|
u_int8_t disk_number;
|
|
u_int8_t type;
|
|
#define SII_T_RAID0 0x00
|
|
#define SII_T_RAID1 0x01
|
|
#define SII_T_RAID01 0x02
|
|
#define SII_T_SPARE 0x03
|
|
|
|
u_int8_t raid0_disks;
|
|
u_int8_t raid0_ident;
|
|
u_int8_t raid1_disks;
|
|
u_int8_t raid1_ident;
|
|
u_int64_t rebuild_lba;
|
|
u_int32_t generation;
|
|
u_int8_t status;
|
|
#define SII_S_READY 0x01
|
|
|
|
u_int8_t base_raid1_position;
|
|
u_int8_t base_raid0_position;
|
|
u_int8_t position;
|
|
u_int16_t dummy_3;
|
|
u_int8_t name[16];
|
|
u_int16_t checksum_0;
|
|
int8_t filler1[190];
|
|
u_int16_t checksum_1;
|
|
} __packed;
|
|
|
|
|
|
/* VIA Tech V-RAID Metadata */
|
|
#define VIA_LBA(dev) \
|
|
( ((struct ad_softc *)device_get_ivars(dev))->total_secs - 1)
|
|
|
|
struct via_raid_conf {
|
|
u_int16_t magic;
|
|
#define VIA_MAGIC 0xaa55
|
|
|
|
u_int8_t dummy_0;
|
|
u_int8_t type;
|
|
#define VIA_T_MASK 0xfe
|
|
#define VIA_T_BOOTABLE 0x01
|
|
#define VIA_T_RAID0 0x04
|
|
#define VIA_T_RAID1 0x0c
|
|
#define VIA_T_SPAN 0x44
|
|
|
|
u_int8_t disk_index;
|
|
u_int8_t stripe_layout;
|
|
#define VIA_L_MASK 0x07
|
|
#define VIA_L_SHIFT 4
|
|
|
|
u_int64_t total_sectors;
|
|
u_int32_t disk_id;
|
|
u_int32_t disks[8];
|
|
u_int8_t checksum;
|
|
u_int8_t filler_1[461];
|
|
} __packed;
|