FreeBSD-5.3/sys/dev/ata/ata-raid.h
/*-
* Copyright (c) 2000 - 2003 Søren Schmidt <sos@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: src/sys/dev/ata/ata-raid.h,v 1.27 2004/06/25 21:21:59 sos Exp $
*/
/* misc defines */
#define MAX_ARRAYS 16
#define MAX_DISKS 16
#define AR_PROXIMITY 2048
#define AR_READ 0x01
#define AR_WRITE 0x02
#define AR_WAIT 0x04
#define AR_STRATEGY(x) (x)->bio_disk->d_strategy((x))
#define AD_SOFTC(x) ((struct ad_softc *)(x.device->softc))
#define ATA_MAGIC "FreeBSD ATA driver RAID "
struct ar_disk {
struct ata_device *device;
u_int64_t disk_sectors; /* sectors on this disk */
off_t last_lba; /* last lba used */
int flags;
#define AR_DF_PRESENT 0x00000001
#define AR_DF_ASSIGNED 0x00000002
#define AR_DF_SPARE 0x00000004
#define AR_DF_ONLINE 0x00000008
};
struct ar_softc {
int lun;
int32_t magic_0; /* ident for this array */
int32_t magic_1; /* ident for this array */
int flags;
#define AR_F_SPAN 0x00000001
#define AR_F_RAID0 0x00000002
#define AR_F_RAID1 0x00000004
#define AR_F_RAID3 0x00000008
#define AR_F_RAID5 0x00000010
#define AR_F_READY 0x00000100
#define AR_F_DEGRADED 0x00000200
#define AR_F_REBUILDING 0x00000400
#define AR_F_TOGGLE 0x00000800
#define AR_F_FREEBSD_RAID 0x00010000
#define AR_F_PROMISE_RAID 0x00020000
#define AR_F_HIGHPOINT_RAID 0x00040000
#define AR_F_ADAPTEC_RAID 0x00080000
#define AR_F_LSI_RAID 0x00100000
#define AR_F_INTEL_RAID 0x00200000
#define AR_F_QTEC_RAID 0x00400000
int total_disks; /* number of disks in this array */
int generation; /* generation of this array */
struct ar_disk disks[MAX_DISKS+1]; /* ptr to each disk in array */
int width; /* array width in disks */
u_int16_t heads;
u_int16_t sectors;
u_int32_t cylinders;
u_int64_t total_sectors;
int interleave; /* interleave in blocks */
int reserved; /* sectors that are NOT to be used */
int offset; /* offset from start of disk */
u_int64_t lock_start; /* start of locked area for rebuild */
u_int64_t lock_end; /* end of locked area for rebuild */
struct disk *disk; /* disklabel/slice stuff */
struct proc *pid; /* rebuilder process id */
};
struct ar_buf {
struct bio bp; /* must be first element! */
struct bio *org;
struct ar_buf *mirror;
int drive;
int flags;
#define AB_F_DONE 0x01
};
#define HPT_LBA 9
struct highpoint_raid_conf {
int8_t filler1[32];
u_int32_t magic;
#define HPT_MAGIC_OK 0x5a7816f0
#define HPT_MAGIC_BAD 0x5a7816fd
u_int32_t magic_0;
u_int32_t magic_1;
u_int32_t order;
#define HPT_O_RAID0 0x01
#define HPT_O_RAID1 0x02
#define HPT_O_OK 0x04
u_int8_t array_width;
u_int8_t stripe_shift;
u_int8_t type;
#define HPT_T_RAID0 0x00
#define HPT_T_RAID1 0x01
#define HPT_T_RAID01_RAID0 0x02
#define HPT_T_SPAN 0x03
#define HPT_T_RAID_3 0x04
#define HPT_T_RAID_5 0x05
#define HPT_T_SINGLEDISK 0x06
#define HPT_T_RAID01_RAID1 0x07
u_int8_t disk_number;
u_int32_t total_sectors;
u_int32_t disk_mode;
u_int32_t boot_mode;
u_int8_t boot_disk;
u_int8_t boot_protect;
u_int8_t error_log_entries;
u_int8_t error_log_index;
struct {
u_int32_t timestamp;
u_int8_t reason;
#define HPT_R_REMOVED 0xfe
#define HPT_R_BROKEN 0xff
u_int8_t disk;
u_int8_t status;
u_int8_t sectors;
u_int32_t lba;
} errorlog[32];
int8_t filler2[16];
u_int32_t rebuild_lba;
u_int8_t dummy_1;
u_int8_t name_1[15];
u_int8_t dummy_2;
u_int8_t name_2[15];
int8_t filler3[8];
} __packed;
#define LSI_LBA(adp) (adp->total_secs - 1)
struct lsi_raid_conf {
u_int8_t lsi_id[6];
#define LSI_MAGIC "$XIDE$"
u_int8_t dummy_1;
u_int8_t flags;
u_int8_t version[2];
u_int8_t config_entries;
u_int8_t raid_count;
u_int8_t total_disks;
u_int8_t dummy_d;
u_int8_t dummy_e;
u_int8_t dummy_f;
union {
struct {
u_int8_t type;
#define LSI_R_RAID0 0x01
#define LSI_R_RAID1 0x02
#define LSI_R_SPARE 0x08
u_int8_t dummy_1;
u_int16_t stripe_size;
u_int8_t raid_width;
u_int8_t disk_count;
u_int8_t config_offset;
u_int8_t dummy_7;
u_int8_t flags;
#define LSI_R_DEGRADED 0x02
u_int32_t total_sectors;
u_int8_t filler[3];
} __packed raid;
struct {
u_int8_t device;
#define LSI_D_MASTER 0x00
#define LSI_D_SLAVE 0x01
#define LSI_D_CHANNEL0 0x00
#define LSI_D_CHANNEL1 0x10
#define LSI_D_NONE 0xff
u_int8_t dummy_1;
u_int32_t disk_sectors;
u_int8_t disk_number;
u_int8_t raid_number;
u_int8_t flags;
#define LSI_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;
#define PR_LBA(adp) \
(((adp->total_secs / (adp->heads * adp->sectors)) * \
adp->heads * adp->sectors) - adp->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) (x.device ? ((u_int64_t)x.device->channel->unit<<48) | \
((u_int64_t)(x.device->unit != 0) << 56) : 0)
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
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;
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;
int ata_raiddisk_attach(struct ad_softc *);
int ata_raiddisk_detach(struct ad_softc *);
void ata_raid_attach(void);
int ata_raid_create(struct raid_setup *);
int ata_raid_delete(int);
int ata_raid_status(int, struct raid_status *);
int ata_raid_addspare(int, int);
int ata_raid_rebuild(int);