/*- * Copyright (c) 2000 - 2003 Søren 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. * * $FreeBSD$ */ /* 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->driver)) #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_RAID0 0x0001 /* STRIPE */ #define AR_F_RAID1 0x0002 /* MIRROR */ #define AR_F_SPAN 0x0004 /* SPAN */ #define AR_F_READY 0x0100 #define AR_F_DEGRADED 0x0200 #define AR_F_REBUILDING 0x0400 #define AR_F_PROMISE_RAID 0x1000 #define AR_F_HIGHPOINT_RAID 0x2000 #define AR_F_FREEBSD_RAID 0x4000 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; /* 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_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 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; /* 0x200 */ #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; /* 0x210 */ 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; /* 0x220 */ 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 { /* 0x240 */ 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_probe(struct ad_softc *); 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 array, struct raid_status *); int ata_raid_rebuild(int);