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authorDan Williams <dan.j.williams@intel.com>2008-11-08 23:47:39 +0100
committerDan Williams <dan.j.williams@intel.com>2008-11-08 23:47:39 +0100
commitfe7ed8cb4f43e8324ca526e4a56fb23095f0023b (patch)
treea7292ffd4b172fecb74198803cba6a9be09a74a9 /super-intel.c
parentimsm: cleanup migration definitions and usage (diff)
downloadmdadm-fe7ed8cb4f43e8324ca526e4a56fb23095f0023b.tar.xz
mdadm-fe7ed8cb4f43e8324ca526e4a56fb23095f0023b.zip
imsm: add definitions for recent imsm versions
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to '')
-rw-r--r--super-intel.c56
1 files changed, 48 insertions, 8 deletions
diff --git a/super-intel.c b/super-intel.c
index d42196d4..263df161 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -30,9 +30,25 @@
#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
@@ -47,8 +63,8 @@ struct imsm_disk {
#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 */
};
@@ -68,7 +84,9 @@ struct imsm_map {
#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],
@@ -78,7 +96,7 @@ struct imsm_map {
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
@@ -87,19 +105,41 @@ struct imsm_vol {
#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));