/*- * Copyright (c) 2000 - 2006 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. * * 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 1.44 2006/02/17 13:02:10 sos Exp $ */ #include #include #include #include #include /* misc defines */ #define MAX_ARRAYS 16 #define MAX_VOLUMES 4 #define MAX_DISKS 16 #define AR_PROXIMITY 2048 /* how many sectors is "close" */ #define ATA_MAGIC "FreeBSD ATA driver RAID " struct ata_raid_subdisk { struct ar_softc *raid[MAX_VOLUMES]; int disk_number[MAX_VOLUMES]; }; /* ATA PseudoRAID Metadata */ struct ar_softc { int lun; u_int8_t name[32]; int volume; u_int64_t magic_0; u_int64_t magic_1; int type; #define AR_T_JBOD 0x0001 #define AR_T_SPAN 0x0002 #define AR_T_RAID0 0x0004 #define AR_T_RAID1 0x0008 #define AR_T_RAID01 0x0010 #define AR_T_RAID3 0x0020 #define AR_T_RAID4 0x0040 #define AR_T_RAID5 0x0080 int status; #define AR_S_READY 0x0001 #define AR_S_DEGRADED 0x0002 #define AR_S_REBUILDING 0x0004 int format; #define AR_F_FREEBSD_RAID 0x0001 #define AR_F_ADAPTEC_RAID 0x0002 #define AR_F_HPTV2_RAID 0x0004 #define AR_F_HPTV3_RAID 0x0008 #define AR_F_INTEL_RAID 0x0010 #define AR_F_ITE_RAID 0x0020 #define AR_F_JMICRON_RAID 0x0040 #define AR_F_LSIV2_RAID 0x0080 #define AR_F_LSIV3_RAID 0x0100 #define AR_F_NVIDIA_RAID 0x0200 #define AR_F_PROMISE_RAID 0x0400 #define AR_F_SII_RAID 0x0800 #define AR_F_SIS_RAID 0x1000 #define AR_F_VIA_RAID 0x2000 #define AR_F_FORMAT_MASK 0x1fff u_int generation; u_int64_t total_sectors; u_int64_t offset_sectors; /* offset from start of disk */ u_int16_t heads; u_int16_t sectors; u_int32_t cylinders; u_int width; /* array width in disks */ u_int interleave; /* interleave in sectors */ u_int total_disks; /* number of disks in this array */ struct ar_disk { device_t dev; u_int8_t serial[16]; /* serial # of physical disk */ u_int64_t sectors; /* useable sectors on this disk */ off_t last_lba; /* last lba used (for performance) */ u_int flags; #define AR_DF_PRESENT 0x0001 /* this HW pos has a disk present */ #define AR_DF_ASSIGNED 0x0002 /* this HW pos assigned to an array */ #define AR_DF_SPARE 0x0004 /* this HW pos is a spare */ #define AR_DF_ONLINE 0x0008 /* this HW pos is online and in use */ } disks[MAX_DISKS]; int toggle; /* performance hack for RAID1's */ u_int64_t rebuild_lba; /* rebuild progress indicator */ struct lock lock; /* metadata lock */ struct disk disk; /* disklabel/slice stuff */ struct devstat devstat; /* device statistics */ cdev_t cdev; /* device placeholder */ struct proc *pid; /* rebuilder process id */ }; /* Adaptec HostRAID Metadata */ #define ADP_LBA(dev) \ (((struct ad_softc *)device_get_ivars(dev))->total_secs - 17) /* note all entries are big endian */ struct adaptec_raid_conf { u_int32_t magic_0; #define ADP_MAGIC_0 0xc4650790 u_int32_t generation; u_int16_t dummy_0; u_int16_t total_configs; u_int16_t dummy_1; u_int16_t checksum; u_int32_t dummy_2; u_int32_t dummy_3; u_int32_t flags; u_int32_t timestamp; u_int32_t dummy_4[4]; u_int32_t dummy_5[4]; struct { u_int16_t total_disks; u_int16_t generation; u_int32_t magic_0; u_int8_t dummy_0; u_int8_t type; #define ADP_T_RAID0 0x00 #define ADP_T_RAID1 0x01 u_int8_t dummy_1; u_int8_t flags; u_int8_t dummy_2; u_int8_t dummy_3; u_int8_t dummy_4; u_int8_t dummy_5; u_int32_t disk_number; u_int32_t dummy_6; u_int32_t sectors; u_int16_t stripe_shift; u_int16_t dummy_7; u_int32_t dummy_8[4]; u_int8_t name[16]; } configs[127]; u_int32_t dummy_6[13]; u_int32_t magic_1; #define ADP_MAGIC_1 0x9ff85009 u_int32_t dummy_7[3]; u_int32_t magic_2; u_int32_t dummy_8[46]; u_int32_t magic_3; #define ADP_MAGIC_3 0x4d545044 u_int32_t magic_4; #define ADP_MAGIC_4 0x9ff85009 u_int32_t dummy_9[62]; } __packed; /* Highpoint V2 RocketRAID Metadata */ #define HPTV2_LBA(dev) 9 struct hptv2_raid_conf { int8_t filler1[32]; u_int32_t magic; #define HPTV2_MAGIC_OK 0x5a7816f0 #define HPTV2_MAGIC_BAD 0x5a7816fd u_int32_t magic_0; u_int32_t magic_1; u_int32_t order; #define HPTV2_O_RAID0 0x01 #define HPTV2_O_RAID1 0x02 #define HPTV2_O_OK 0x04 u_int8_t array_width; u_int8_t stripe_shift; u_int8_t type; #define HPTV2_T_RAID0 0x00 #define HPTV2_T_RAID1 0x01 #define HPTV2_T_RAID01_RAID0 0x02 #define HPTV2_T_SPAN 0x03 #define HPTV2_T_RAID_3 0x04 #define HPTV2_T_RAID_5 0x05 #define HPTV2_T_JBOD 0x06 #define HPTV2_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 HPTV2_R_REMOVED 0xfe #define HPTV2_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; /* Highpoint V3 RocketRAID Metadata */ #define HPTV3_LBA(dev) \ (((struct ad_softc *)device_get_ivars(dev))->total_secs - 11) struct hptv3_raid_conf { u_int32_t magic; #define HPTV3_MAGIC 0x5a7816f3 u_int32_t magic_0; u_int8_t checksum_0; u_int8_t mode; #define HPTV3_BOOT_MARK 0x01 #define HPTV3_USER_MODE 0x02 u_int8_t user_mode; u_int8_t config_entries; struct { u_int32_t total_sectors; u_int8_t type; #define HPTV3_T_SPARE 0x00 #define HPTV3_T_JBOD 0x03 #define HPTV3_T_SPAN 0x04 #define HPTV3_T_RAID0 0x05 #define HPTV3_T_RAID1 0x06 #define HPTV3_T_RAID3 0x07 #define HPTV3_T_RAID5 0x08 u_int8_t total_disks; u_int8_t disk_number; u_int8_t stripe_shift; u_int16_t status; #define HPTV3_T_NEED_REBUILD 0x01 #define HPTV3_T_RAID5_FLAG 0x02 u_int16_t critical_disks; u_int32_t rebuild_lba; } __packed configs[2]; u_int8_t name[16]; u_int32_t timestamp; u_int8_t description[64]; u_int8_t creator[16]; u_int8_t checksum_1; u_int8_t dummy_0; u_int8_t dummy_1; u_int8_t flags; #define HPTV3_T_ENABLE_TCQ 0x01 #define HPTV3_T_ENABLE_NCQ 0x02 #define HPTV3_T_ENABLE_WCACHE 0x04 #define HPTV3_T_ENABLE_RCACHE 0x08 struct { u_int32_t total_sectors; u_int32_t rebuild_lba; } __packed configs_high[2]; u_int32_t filler[87]; } __packed; /* Intel MatrixRAID Metadata */ #define INTEL_LBA(dev) \ (((struct ad_softc *)device_get_ivars(dev))->total_secs - 3) struct intel_raid_conf { u_int8_t intel_id[24]; #define INTEL_MAGIC "Intel Raid ISM Cfg Sig. " u_int8_t version[6]; #define INTEL_VERSION_1100 "1.1.00" #define INTEL_VERSION_1201 "1.2.01" #define INTEL_VERSION_1202 "1.2.02" u_int8_t dummy_0[2]; u_int32_t checksum; u_int32_t config_size; u_int32_t config_id; u_int32_t generation; u_int32_t dummy_1[2]; u_int8_t total_disks; u_int8_t total_volumes; u_int8_t dummy_2[2]; u_int32_t filler_0[39]; struct { u_int8_t serial[16]; u_int32_t sectors; u_int32_t id; u_int32_t flags; #define INTEL_F_SPARE 0x01 #define INTEL_F_ASSIGNED 0x02 #define INTEL_F_DOWN 0x04 #define INTEL_F_ONLINE 0x08 u_int32_t filler[5]; } __packed disk[1]; u_int32_t filler_1[62]; } __packed; struct intel_raid_mapping { u_int8_t name[16]; u_int64_t total_sectors __packed; u_int32_t state; u_int32_t reserved; u_int32_t filler_0[20]; u_int32_t offset; u_int32_t disk_sectors; u_int32_t stripe_count; u_int16_t stripe_sectors; u_int8_t status; #define INTEL_S_READY 0x00 #define INTEL_S_DISABLED 0x01 #define INTEL_S_DEGRADED 0x02 #define INTEL_S_FAILURE 0x03 u_int8_t type; #define INTEL_T_RAID0 0x00 #define INTEL_T_RAID1 0x01 #define INTEL_T_RAID5 0x05 u_int8_t total_disks; u_int8_t magic[3]; u_int32_t filler_1[7]; u_int32_t disk_idx[1]; } __packed; /* Integrated Technology Express Metadata */ #define ITE_LBA(dev) \ (((struct ad_softc *)device_get_ivars(dev))->total_secs - 2) struct ite_raid_conf { u_int32_t filler_1[5]; u_int8_t timestamp_0[8]; u_int32_t dummy_1; u_int32_t filler_2[5]; u_int16_t filler_3; u_int8_t ite_id[40]; #define ITE_MAGIC "Integrated Technology Express Inc " u_int16_t filler_4; u_int32_t filler_5[6]; u_int32_t dummy_2; u_int32_t dummy_3; u_int32_t filler_6[12]; u_int32_t dummy_4; u_int32_t filler_7[5]; u_int64_t total_sectors __packed; u_int32_t filler_8[12]; u_int16_t filler_9; u_int8_t type; #define ITE_T_RAID0 0x00 #define ITE_T_RAID1 0x01 #define ITE_T_RAID01 0x02 #define ITE_T_SPAN 0x03 u_int8_t filler_10; u_int32_t dummy_5[8]; u_int8_t stripe_1kblocks; u_int8_t filler_11[3]; u_int32_t filler_12[54]; 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; /* JMicron Technology Corp Metadata */ #define JMICRON_LBA(dev) \ (((struct ad_softc *)device_get_ivars(dev))->total_secs - 1) #define JM_MAX_DISKS 8 struct jmicron_raid_conf { u_int8_t signature[2]; #define JMICRON_MAGIC "JM" u_int16_t version; #define JMICRON_VERSION 0x0001 u_int16_t checksum; u_int8_t filler_1[10]; u_int32_t disk_id; u_int32_t offset; u_int32_t disk_sectors_high; u_int16_t disk_sectors_low; u_int8_t filler_2[2]; u_int8_t name[16]; u_int8_t type; #define JM_T_RAID0 0 #define JM_T_RAID1 1 #define JM_T_RAID01 2 #define JM_T_JBOD 3 #define JM_T_RAID5 5 u_int8_t stripe_shift; u_int16_t flags; #define JM_F_READY 0x0001 #define JM_F_BOOTABLE 0x0002 #define JM_F_BAD 0x0004 #define JM_F_ACTIVE 0c0010 #define JM_F_UNSYNC 0c0020 #define JM_F_NEWEST 0c0040 u_int8_t filler_3[4]; u_int32_t spare[2]; u_int32_t disks[JM_MAX_DISKS]; u_int8_t filler_4[32]; u_int8_t filler_5[384]; }; /* LSILogic V2 MegaRAID Metadata */ #define LSIV2_LBA(dev) \ (((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; /* nVidia MediaShield Metadata */ #define NVIDIA_LBA(dev) \ (((struct ad_softc *)device_get_ivars(dev))->total_secs - 2) struct nvidia_raid_conf { u_int8_t nvidia_id[8]; #define NV_MAGIC "NVIDIA " u_int32_t config_size; u_int32_t checksum; u_int16_t version; u_int8_t disk_number; u_int8_t dummy_0; u_int32_t total_sectors; u_int32_t sector_size; u_int8_t serial[16]; u_int8_t revision[4]; u_int32_t dummy_1; u_int32_t magic_0; #define NV_MAGIC0 0x00640044 u_int64_t magic_1; u_int64_t magic_2; u_int8_t flags; u_int8_t array_width; u_int8_t total_disks; u_int8_t dummy_2; u_int16_t type; #define NV_T_RAID0 0x00000080 #define NV_T_RAID1 0x00000081 #define NV_T_RAID3 0x00000083 #define NV_T_RAID5 0x00000085 #define NV_T_RAID01 0x00008180 #define NV_T_SPAN 0x000000ff u_int16_t dummy_3; u_int32_t stripe_sectors; u_int32_t stripe_bytes; u_int32_t stripe_shift; u_int32_t stripe_mask; u_int32_t stripe_sizesectors; u_int32_t stripe_sizebytes; u_int32_t rebuild_lba; u_int32_t dummy_4; u_int32_t dummy_5; u_int32_t status; #define NV_S_BOOTABLE 0x00000001 #define NV_S_DEGRADED 0x00000002 u_int32_t filler[98]; } __packed; /* Promise FastTrak Metadata */ #define PROMISE_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; /* Silicon Integrated Systems RAID Metadata */ #define SIS_LBA(dev) \ ( ((struct ad_softc *)device_get_ivars(dev))->total_secs - 16) struct sis_raid_conf { u_int16_t magic; #define SIS_MAGIC 0x0010 u_int8_t disks; #define SIS_D_MASTER 0xf0 #define SIS_D_MIRROR 0x0f u_int8_t type_total_disks; #define SIS_D_MASK 0x0f #define SIS_T_MASK 0xf0 #define SIS_T_JBOD 0x10 #define SIS_T_RAID0 0x20 #define SIS_T_RAID1 0x30 u_int32_t dummy_0; u_int32_t controller_pci_id; u_int16_t stripe_sectors; u_int16_t dummy_1; u_int32_t timestamp; u_int8_t model[40]; u_int8_t disk_number; u_int8_t dummy_2[3]; int8_t filler1[448]; } __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 0x7e #define VIA_T_BOOTABLE 0x01 #define VIA_T_RAID0 0x04 #define VIA_T_RAID1 0x0c #define VIA_T_RAID01 0x4c #define VIA_T_RAID5 0x2c #define VIA_T_SPAN 0x44 #define VIA_T_UNKNOWN 0x80 u_int8_t disk_index; #define VIA_D_MASK 0x0f #define VIA_D_DEGRADED 0x10 #define VIA_D_HIGH_IDX 0x20 u_int8_t stripe_layout; #define VIA_L_DISKS 0x07 #define VIA_L_MASK 0xf0 #define VIA_L_SHIFT 4 u_int64_t disk_sectors; u_int32_t disk_id; u_int32_t disks[8]; u_int8_t checksum; u_int8_t filler_1[461]; } __packed;