#define MPB_SIG_LEN (strlen(MPB_SIGNATURE))
#define MPB_VERSION_RAID0 "1.0.00"
#define MPB_VERSION_RAID1 "1.1.00"
+#define MPB_VERSION_MANY_VOLUMES_PER_ARRAY "1.2.00"
+#define MPB_VERSION_3OR4_DISK_ARRAY "1.2.01"
#define MPB_VERSION_RAID5 "1.2.02"
+#define MPB_VERSION_5OR6_DISK_ARRAY "1.2.04"
+#define MPB_VERSION_CNG "1.2.06"
+#define MPB_VERSION_ATTRIBS "1.3.00"
#define MAX_SIGNATURE_LENGTH 32
#define MAX_RAID_SERIAL_LEN 16
+
+#define MPB_ATTRIB_CHECKSUM_VERIFY __cpu_to_le32(0x80000000)
+#define MPB_ATTRIB_PM __cpu_to_le32(0x40000000)
+#define MPB_ATTRIB_2TB __cpu_to_le32(0x20000000)
+#define MPB_ATTRIB_RAID0 __cpu_to_le32(0x00000001)
+#define MPB_ATTRIB_RAID1 __cpu_to_le32(0x00000002)
+#define MPB_ATTRIB_RAID10 __cpu_to_le32(0x00000004)
+#define MPB_ATTRIB_RAID1E __cpu_to_le32(0x00000008)
+#define MPB_ATTRIB_RAID5 __cpu_to_le32(0x00000010)
+#define MPB_ATTRIB_RAIDCNG __cpu_to_le32(0x00000020)
+
#define MPB_SECTOR_CNT 418
#define IMSM_RESERVED_SECTORS 4096
__u8 serial[MAX_RAID_SERIAL_LEN];/* 0xD8 - 0xE7 ascii serial number */
__u32 total_blocks; /* 0xE8 - 0xEB total blocks */
__u32 scsi_id; /* 0xEC - 0xEF scsi ID */
+#define SPARE_DISK __cpu_to_le32(0x01) /* Spare */
+#define CONFIGURED_DISK __cpu_to_le32(0x02) /* Member of some RaidDev */
+#define FAILED_DISK __cpu_to_le32(0x04) /* Permanent failure */
+#define USABLE_DISK __cpu_to_le32(0x08) /* Fully usable unless FAILED_DISK is set */
__u32 status; /* 0xF0 - 0xF3 */
-#define SPARE_DISK 0x01 /* Spare */
-#define CONFIGURED_DISK 0x02 /* Member of some RaidDev */
-#define FAILED_DISK 0x04 /* Permanent failure */
-#define USABLE_DISK 0x08 /* Fully usable unless FAILED_DISK is set */
-
-#define IMSM_DISK_FILLERS 5
+ __u32 owner_cfg_num; /* which config 0,1,2... owns this disk */
+#define IMSM_DISK_FILLERS 4
__u32 filler[IMSM_DISK_FILLERS]; /* 0xF4 - 0x107 MPB_DISK_FILLERS for future expansion */
};
__u8 map_state; /* Normal, Uninitialized, Degraded, Failed */
#define IMSM_T_STATE_NORMAL 0
#define IMSM_T_STATE_UNINITIALIZED 1
-#define IMSM_T_STATE_DEGRADED 2 /* FIXME: is this correct? */
-#define IMSM_T_STATE_FAILED 3 /* FIXME: is this correct? */
+#define IMSM_T_STATE_DEGRADED 2
+#define IMSM_T_STATE_FAILED 3
__u8 raid_level;
#define IMSM_T_RAID0 0
#define IMSM_T_RAID1 1
#define IMSM_T_RAID5 5 /* since metadata version 1.2.02 ? */
__u8 num_members; /* number of member disks */
- __u8 reserved[3];
+ __u8 num_domains; /* number of parity domains */
+ __u8 failed_disk_num; /* valid only when state is degraded */
+ __u8 reserved[1];
__u32 filler[7]; /* expansion area */
#define IMSM_ORD_REBUILD (1 << 24)
__u32 disk_ord_tbl[1]; /* disk_ord_tbl[num_members],
struct imsm_vol {
__u32 curr_migr_unit;
- __u32 reserved;
+ __u32 checkpoint_id; /* id to access curr_migr_unit */
__u8 migr_state; /* Normal or Migrating */
+#define MIGR_INIT 0
+#define MIGR_REBUILD 1
+#define MIGR_VERIFY 2 /* analagous to echo check > sync_action */
+#define MIGR_GEN_MIGR 3
+#define MIGR_STATE_CHANGE 4
__u8 migr_type; /* Initializing, Rebuilding, ... */
__u8 dirty;
- __u8 fill[1];
- __u32 filler[5];
+ __u8 fs_state; /* fast-sync state for CnG (0xff == disabled) */
+ __u16 verify_errors; /* number of mismatches */
+ __u16 bad_blocks; /* number of bad blocks during verify */
+ __u32 filler[4];
struct imsm_map map[1];
/* here comes another one if migr_state */
} __attribute__ ((packed));
struct imsm_dev {
- __u8 volume[MAX_RAID_SERIAL_LEN];
+ __u8 volume[MAX_RAID_SERIAL_LEN];
__u32 size_low;
__u32 size_high;
+#define DEV_BOOTABLE __cpu_to_le32(0x01)
+#define DEV_BOOT_DEVICE __cpu_to_le32(0x02)
+#define DEV_READ_COALESCING __cpu_to_le32(0x04)
+#define DEV_WRITE_COALESCING __cpu_to_le32(0x08)
+#define DEV_LAST_SHUTDOWN_DIRTY __cpu_to_le32(0x10)
+#define DEV_HIDDEN_AT_BOOT __cpu_to_le32(0x20)
+#define DEV_CURRENTLY_HIDDEN __cpu_to_le32(0x40)
+#define DEV_VERIFY_AND_FIX __cpu_to_le32(0x80)
+#define DEV_MAP_STATE_UNINIT __cpu_to_le32(0x100)
+#define DEV_NO_AUTO_RECOVERY __cpu_to_le32(0x200)
+#define DEV_CLONE_N_GO __cpu_to_le32(0x400)
+#define DEV_CLONE_MAN_SYNC __cpu_to_le32(0x800)
+#define DEV_CNG_MASTER_DISK_NUM __cpu_to_le32(0x1000)
__u32 status; /* Persistent RaidDev status */
__u32 reserved_blocks; /* Reserved blocks at beginning of volume */
-#define IMSM_DEV_FILLERS 12
+ __u8 migr_priority;
+ __u8 num_sub_vols;
+ __u8 tid;
+ __u8 cng_master_disk;
+ __u16 cache_policy;
+ __u8 cng_state;
+ __u8 cng_sub_state;
+#define IMSM_DEV_FILLERS 10
__u32 filler[IMSM_DEV_FILLERS];
struct imsm_vol vol;
} __attribute__ ((packed));
printf("\n");
snprintf(str, MAX_RAID_SERIAL_LEN + 1, "%s", disk->serial);
printf(" Disk%02d Serial : %s\n", index, str);
- s = __le32_to_cpu(disk->status);
+ s = disk->status;
printf(" State :%s%s%s%s\n", s&SPARE_DISK ? " spare" : "",
s&CONFIGURED_DISK ? " active" : "",
s&FAILED_DISK ? " failed" : "",
disk = &super->disks->disk;
info->data_offset = __le32_to_cpu(disk->total_blocks) - reserved;
info->component_size = reserved;
- s = __le32_to_cpu(disk->status);
+ s = disk->status;
info->disk.state = s & CONFIGURED_DISK ? (1 << MD_DISK_ACTIVE) : 0;
info->disk.state |= s & FAILED_DISK ? (1 << MD_DISK_FAULTY) : 0;
info->disk.state |= s & SPARE_DISK ? 0 : (1 << MD_DISK_SYNC);
disk_iter = __get_imsm_disk(super->anchor, i);
if (serialcmp(disk_iter->serial, dl->serial) == 0) {
- __u32 status;
-
dl->disk = *disk_iter;
- status = __le32_to_cpu(dl->disk.status);
/* only set index on disks that are a member of a
* populated contianer, i.e. one with raid_devs
*/
- if (status & FAILED_DISK)
+ if (dl->disk.status & FAILED_DISK)
dl->index = -2;
- else if (status & SPARE_DISK)
+ else if (dl->disk.status & SPARE_DISK)
dl->index = -1;
else
dl->index = i;
/* no match, maybe a stale failed drive */
if (i == super->anchor->num_disks && dl->index >= 0) {
dl->disk = *__get_imsm_disk(super->anchor, dl->index);
- if (__le32_to_cpu(dl->disk.status) & FAILED_DISK)
+ if (dl->disk.status & FAILED_DISK)
dl->index = -2;
}
*
* Migration is indicated by one of the following states
* 1/ Idle (migr_state=0 map0state=normal||unitialized||degraded||failed)
- * 2/ Initialize (migr_state=1 migr_type=0 map0state=normal
+ * 2/ Initialize (migr_state=1 migr_type=MIGR_INIT map0state=normal
* map1state=unitialized)
- * 3/ Verify (Resync) (migr_state=1 migr_type=1 map0state=normal
+ * 3/ Verify (Resync) (migr_state=1 migr_type=MIGR_REBUILD map0state=normal
* map1state=normal)
- * 4/ Rebuild (migr_state=1 migr_type=1 map0state=normal
+ * 4/ Rebuild (migr_state=1 migr_type=MIGR_REBUILD map0state=normal
* map1state=degraded)
*/
static void migrate(struct imsm_dev *dev, __u8 to_state, int rebuild_resync)
struct imsm_super *mpb = super->anchor;
struct dl *dl;
struct imsm_disk *disk;
- __u32 status;
for (i = 0; i < mpb->num_disks; i++) {
disk = __get_imsm_disk(mpb, i);
/* ok we have a 'disk' without a live entry in
* super->disks
*/
- status = __le32_to_cpu(disk->status);
- if (status & FAILED_DISK || !(status & USABLE_DISK))
+ if (disk->status & FAILED_DISK || !(disk->status & USABLE_DISK))
continue; /* never mind, already marked */
dl = malloc(sizeof(*dl));
dev->reserved_blocks = __cpu_to_le32(0);
vol = &dev->vol;
vol->migr_state = 0;
- vol->migr_type = 0;
+ vol->migr_type = MIGR_INIT;
vol->dirty = 0;
vol->curr_migr_unit = 0;
for (i = 0; i < idx; i++) {
struct dl *dl;
struct imsm_dev *dev;
struct imsm_map *map;
- __u32 status;
dev = get_imsm_dev(super, super->current_vol);
map = get_imsm_map(dev, 0);
super->anchor->num_disks++;
}
set_imsm_ord_tbl_ent(map, dk->number, dl->index);
- status = CONFIGURED_DISK | USABLE_DISK;
- dl->disk.status = __cpu_to_le32(status);
+ dl->disk.status = CONFIGURED_DISK | USABLE_DISK;
/* if we are creating the first raid device update the family number */
if (super->current_vol == 0) {
struct intel_super *super = st->sb;
struct dl *dd;
unsigned long long size;
- __u32 status, id;
+ __u32 id;
int rv;
struct stat stb;
get_dev_size(fd, NULL, &size);
size /= 512;
- status = USABLE_DISK | SPARE_DISK;
serialcpy(dd->disk.serial, dd->serial);
dd->disk.total_blocks = __cpu_to_le32(size);
- dd->disk.status = __cpu_to_le32(status);
+ dd->disk.status = USABLE_DISK | SPARE_DISK;
if (sysfs_disk_to_scsi_id(fd, &id) == 0)
dd->disk.scsi_id = __cpu_to_le32(id);
else
if (d == NULL)
skip = 1;
- s = d ? __le32_to_cpu(d->disk.status) : 0;
+ s = d ? d->disk.status : 0;
if (s & FAILED_DISK)
skip = 1;
if (!(s & USABLE_DISK))
insync = 2;
disk = get_imsm_disk(super, idx);
- if (!disk ||
- __le32_to_cpu(disk->status) & FAILED_DISK ||
+ if (!disk || disk->status & FAILED_DISK ||
ord & IMSM_ORD_REBUILD)
insync--;
int idx = ord_to_idx(ord);
disk = get_imsm_disk(super, idx);
- if (!disk ||
- __le32_to_cpu(disk->status) & FAILED_DISK ||
+ if (!disk || disk->status & FAILED_DISK ||
ord & IMSM_ORD_REBUILD)
failed++;
}
if (!dev->vol.migr_state)
return 0;
- if (dev->vol.migr_type == 0)
+ if (dev->vol.migr_type == MIGR_INIT)
return 1;
migr_map = get_imsm_map(dev, 1);
if (!dev->vol.migr_state)
return 0;
- if (dev->vol.migr_type == 0)
+ if (dev->vol.migr_type != MIGR_REBUILD)
return 0;
migr_map = get_imsm_map(dev, 1);
static void mark_failure(struct imsm_disk *disk)
{
- __u32 status = __le32_to_cpu(disk->status);
-
- if (status & FAILED_DISK)
+ if (disk->status & FAILED_DISK)
return;
- status |= FAILED_DISK;
- disk->status = __cpu_to_le32(status);
+ disk->status |= FAILED_DISK;
disk->scsi_id = __cpu_to_le32(~(__u32)0);
memmove(&disk->serial[0], &disk->serial[1], MAX_RAID_SERIAL_LEN - 1);
}
} else if (!is_resyncing(dev) && !failed) {
/* mark the start of the init process if nothing is failed */
dprintf("imsm: mark resync start (%llu)\n", a->resync_start);
- map->map_state = map_state;
- migrate(dev, IMSM_T_STATE_NORMAL,
- map->map_state == IMSM_T_STATE_NORMAL);
+ if (map->map_state == IMSM_T_STATE_NORMAL)
+ migrate(dev, IMSM_T_STATE_NORMAL, MIGR_REBUILD);
+ else
+ migrate(dev, IMSM_T_STATE_NORMAL, MIGR_INIT);
super->updates_pending++;
}
struct imsm_map *map = get_imsm_map(dev, 0);
struct imsm_disk *disk;
int failed;
- __u32 status;
__u32 ord;
__u8 map_state;
disk = get_imsm_disk(super, ord_to_idx(ord));
/* check for new failures */
- status = __le32_to_cpu(disk->status);
- if ((state & DS_FAULTY) && !(status & FAILED_DISK)) {
+ if ((state & DS_FAULTY) && !(disk->status & FAILED_DISK)) {
mark_failure(disk);
super->updates_pending++;
}
if (dl->index == i)
break;
- if (dl && __le32_to_cpu(dl->disk.status) & FAILED_DISK)
+ if (dl && dl->disk.status & FAILED_DISK)
dl = NULL;
if (dl)
int j;
int found;
__u32 array_start;
- __u32 status;
struct dl *dl;
for (dl = super->disks; dl; dl = dl->next) {
continue;
/* skip in use or failed drives */
- status = __le32_to_cpu(dl->disk.status);
- if (status & FAILED_DISK || idx == dl->index) {
+ if (dl->disk.status & FAILED_DISK || idx == dl->index) {
dprintf("%x:%x status ( %s%s)\n",
dl->major, dl->minor,
- status & FAILED_DISK ? "failed " : "",
+ dl->disk.status & FAILED_DISK ? "failed " : "",
idx == dl->index ? "in use " : "");
continue;
}
struct imsm_map *migr_map;
struct active_array *a;
struct imsm_disk *disk;
- __u32 status;
__u8 to_state;
struct dl *dl;
unsigned int found;
if (i == u->slot)
continue;
disk = get_imsm_disk(super, get_imsm_disk_idx(dev, i));
- if (!disk ||
- __le32_to_cpu(disk->status) & FAILED_DISK)
+ if (!disk || disk->status & FAILED_DISK)
failed++;
}
super->anchor->num_disks++;
}
disk = &dl->disk;
- status = __le32_to_cpu(disk->status);
- status |= CONFIGURED_DISK;
- status &= ~SPARE_DISK;
- disk->status = __cpu_to_le32(status);
+ disk->status |= CONFIGURED_DISK;
+ disk->status &= ~SPARE_DISK;
/* mark rebuild */
to_state = imsm_check_degraded(super, dev, failed);
map->map_state = IMSM_T_STATE_DEGRADED;
- migrate(dev, to_state, 1);
+ migrate(dev, to_state, MIGR_REBUILD);
migr_map = get_imsm_map(dev, 1);
set_imsm_ord_tbl_ent(map, u->slot, dl->index);
set_imsm_ord_tbl_ent(migr_map, u->slot, dl->index | IMSM_ORD_REBUILD);
/* fix up flags */
for (i = 0; i < map->num_members; i++) {
struct imsm_disk *disk;
- __u32 status;
disk = get_imsm_disk(super, get_imsm_disk_idx(dev, i));
- status = __le32_to_cpu(disk->status);
- status |= CONFIGURED_DISK;
- status &= ~SPARE_DISK;
- disk->status = __cpu_to_le32(status);
+ disk->status |= CONFIGURED_DISK;
+ disk->status &= ~SPARE_DISK;
}
break;
}
projects / thirdparty / mdadm.git / blobdiff