freebsd-dev/sys/dev/ata/ata-raid.h

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/*-
* Copyright (c) 2000,2001 S<EFBFBD>ren Schmidt
* 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.
*
* $FreeBSD$
*/
struct ar_softc {
int lun;
int32_t magic_0;
int32_t magic_1;
int flags;
#define AR_F_RAID_0 0x0001 /* STRIPE */
#define AR_F_RAID_1 0x0002 /* MIRROR */
#define AR_F_SPAN 0x0004 /* SPAN */
#define AR_F_CONF_DONE 0x0008
int num_subdisks;
struct ad_softc *subdisk[8];
int num_mirrordisks;
struct ad_softc *mirrordisk[8];
int interleave;
int last_disk;
int32_t last_lba[8][2];
u_int16_t heads;
u_int16_t sectors;
u_int32_t cylinders;
u_int32_t total_secs;
int reserved; /* sectors that are NOT to be used */
int offset; /* offset from start of disk */
struct disk disk; /* disklabel/slice stuff */
dev_t dev; /* device place holder */
};
struct ar_buf {
struct bio bp;
struct bio *org;
int drive;
struct ar_buf *mirror;
int done;
};
struct highpoint_raid_conf {
int8_t filler1[32];
u_int32_t magic; /* 0x20 */
#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_MIRROR 0x01
#define HPT_O_STRIPE 0x02
#define HPT_O_OK 0x04
u_int8_t raid_disks;
u_int8_t raid0_shift;
u_int8_t type;
#define HPT_T_RAID_0 0x00
#define HPT_T_RAID_1 0x01
#define HPT_T_RAID_01_RAID_0 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_RAID_01_RAID_1 0x07
u_int8_t disk_number;
u_int32_t total_secs;
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[60];
};
struct promise_raid_conf {
char promise_id[24];
#define PR_MAGIC "Promise Technology, Inc."
int32_t dummy_0;
int32_t magic_0;
int32_t dummy_1;
int32_t magic_1;
int16_t dummy_2;
int8_t filler1[470];
struct {
int32_t flags; /* 0x200 */
#define PR_F_CONFED 0x00000080
int8_t dummy_0;
int8_t disk_number;
int8_t channel;
int8_t device;
int32_t magic_0;
int32_t dummy_1;
int32_t dummy_2; /* 0x210 */
int32_t disk_secs;
int32_t dummy_3;
int16_t dummy_4;
int8_t status;
#define PR_S_DEFINED 0x01
#define PR_S_ONLINE 0x02
#define PR_S_OFFLINE 0x10
int8_t type;
#define PR_T_STRIPE 0x00
#define PR_T_MIRROR 0x01
#define PR_T_STRIPE_MIRROR 0x04
#define PR_T_SPAN 0x08
u_int8_t total_disks; /* 0x220 */
u_int8_t raid0_shift;
u_int8_t raid0_disks;
u_int8_t array_number;
u_int32_t total_secs;
u_int16_t cylinders;
u_int8_t heads;
u_int8_t sectors;
int32_t magic_1;
int32_t dummy_5; /* 0x230 */
struct {
int16_t dummy_0;
int8_t channel;
int8_t device;
int32_t magic_0;
int32_t disk_number;
} disk[8];
} raid;
int32_t filler2[346];
uint32_t checksum;
};
int ar_probe(struct ad_softc *);