233 lines
6.9 KiB
C
233 lines
6.9 KiB
C
/*-
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* Copyright (c) 2000,2001,2002 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
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#define AR_READ 0x01
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#define AR_WRITE 0x02
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#define AR_WAIT 0x04
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#define AR_STRATEGY(x) (x)->bio_dev->si_disk->d_devsw->d_strategy((x))
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#define AD_SOFTC(x) ((struct ad_softc *)(x.device->driver))
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#define ATA_MAGIC "FreeBSD ATA driver RAID "
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struct ar_disk {
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struct ata_device *device;
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u_int64_t disk_sectors; /* sectors on this disk */
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off_t last_lba; /* last lba used */
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int flags;
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#define AR_DF_PRESENT 0x00000001
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#define AR_DF_ASSIGNED 0x00000002
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#define AR_DF_SPARE 0x00000004
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#define AR_DF_ONLINE 0x00000008
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};
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struct ar_softc {
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int lun;
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int32_t magic_0; /* ident for this array */
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int32_t magic_1; /* ident for this array */
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int flags;
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#define AR_F_RAID0 0x0001 /* STRIPE */
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#define AR_F_RAID1 0x0002 /* MIRROR */
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#define AR_F_SPAN 0x0004 /* SPAN */
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#define AR_F_READY 0x0100
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#define AR_F_DEGRADED 0x0200
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#define AR_F_REBUILDING 0x0400
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#define AR_F_PROMISE_RAID 0x1000
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#define AR_F_HIGHPOINT_RAID 0x2000
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#define AR_F_FREEBSD_RAID 0x4000
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int total_disks; /* number of disks in this array */
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int generation; /* generation of this array */
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struct ar_disk disks[MAX_DISKS+1]; /* ptr to each disk in array */
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int width; /* array width in disks */
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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_int64_t total_sectors;
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int interleave; /* interleave in blocks */
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int reserved; /* sectors that are NOT to be used */
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int offset; /* offset from start of disk */
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u_int64_t lock_start; /* start of locked area for rebuild */
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u_int64_t lock_end; /* end of locked area for rebuild */
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struct disk disk; /* disklabel/slice stuff */
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struct proc *pid; /* rebuilder process id */
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dev_t dev; /* device place holder */
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};
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struct ar_buf {
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struct bio bp; /* must be first element! */
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struct bio *org;
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struct ar_buf *mirror;
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int drive;
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int flags;
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#define AB_F_DONE 0x01
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};
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#define HPT_LBA 9
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struct highpoint_raid_conf {
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int8_t filler1[32];
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u_int32_t magic; /* 0x20 */
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#define HPT_MAGIC_OK 0x5a7816f0
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#define HPT_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 HPT_O_RAID0 0x01
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#define HPT_O_RAID1 0x02
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#define HPT_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 HPT_T_RAID0 0x00
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#define HPT_T_RAID1 0x01
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#define HPT_T_RAID01_RAID0 0x02
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#define HPT_T_SPAN 0x03
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#define HPT_T_RAID_3 0x04
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#define HPT_T_RAID_5 0x05
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#define HPT_T_SINGLEDISK 0x06
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#define HPT_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 HPT_R_REMOVED 0xfe
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#define HPT_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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} __attribute__((packed));
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#define PR_LBA(adp) \
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(((adp->total_secs / (adp->heads * adp->sectors)) * \
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adp->heads * adp->sectors) - adp->sectors)
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struct promise_raid_conf {
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char promise_id[24];
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#define PR_MAGIC "Promise Technology, Inc."
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u_int32_t dummy_0;
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u_int64_t magic_0;
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#define PR_MAGIC0(x) (x.device ? ((u_int64_t)x.device->channel->unit<<48) | \
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((u_int64_t)(x.device->unit != 0) << 56) : 0)
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u_int16_t magic_1;
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u_int32_t magic_2;
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u_int8_t filler1[470];
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struct {
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u_int32_t integrity; /* 0x200 */
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#define PR_I_VALID 0x00000080
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u_int8_t flags;
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#define PR_F_VALID 0x00000001
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#define PR_F_ONLINE 0x00000002
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#define PR_F_ASSIGNED 0x00000004
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#define PR_F_SPARE 0x00000008
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#define PR_F_DUPLICATE 0x00000010
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#define PR_F_REDIR 0x00000020
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#define PR_F_DOWN 0x00000040
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#define PR_F_READY 0x00000080
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u_int8_t disk_number;
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u_int8_t channel;
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u_int8_t device;
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u_int64_t magic_0 __attribute__((packed));
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u_int32_t disk_offset; /* 0x210 */
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u_int32_t disk_sectors;
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u_int32_t rebuild_lba;
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u_int16_t generation;
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u_int8_t status;
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#define PR_S_VALID 0x01
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#define PR_S_ONLINE 0x02
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#define PR_S_INITED 0x04
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#define PR_S_READY 0x08
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#define PR_S_DEGRADED 0x10
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#define PR_S_MARKED 0x20
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#define PR_S_FUNCTIONAL 0x80
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u_int8_t type;
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#define PR_T_RAID0 0x00
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#define PR_T_RAID1 0x01
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#define PR_T_RAID3 0x02
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#define PR_T_RAID5 0x04
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#define PR_T_SPAN 0x08
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u_int8_t total_disks; /* 0x220 */
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u_int8_t stripe_shift;
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u_int8_t array_width;
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u_int8_t array_number;
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u_int32_t total_sectors;
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u_int16_t cylinders;
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u_int8_t heads;
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u_int8_t sectors;
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int64_t magic_1 __attribute__((packed));
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struct { /* 0x240 */
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u_int8_t flags;
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u_int8_t dummy_0;
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u_int8_t channel;
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u_int8_t device;
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u_int64_t magic_0 __attribute__((packed));
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} disk[8];
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} raid;
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int32_t filler2[346];
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u_int32_t checksum;
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} __attribute__((packed));
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int ata_raiddisk_probe(struct ad_softc *);
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int ata_raiddisk_attach(struct ad_softc *);
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int ata_raiddisk_detach(struct ad_softc *);
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void ata_raid_attach(void);
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int ata_raid_create(struct raid_setup *);
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int ata_raid_delete(int);
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int ata_raid_status(int array, struct raid_status *);
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int ata_raid_rebuild(int);
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