summaryrefslogtreecommitdiffstats
path: root/libc/kernel/common/linux/raid/md_p.h
diff options
context:
space:
mode:
Diffstat (limited to 'libc/kernel/common/linux/raid/md_p.h')
-rw-r--r--libc/kernel/common/linux/raid/md_p.h135
1 files changed, 135 insertions, 0 deletions
diff --git a/libc/kernel/common/linux/raid/md_p.h b/libc/kernel/common/linux/raid/md_p.h
new file mode 100644
index 0000000..ab856a7
--- /dev/null
+++ b/libc/kernel/common/linux/raid/md_p.h
@@ -0,0 +1,135 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** This header was automatically generated from a Linux kernel header
+ *** of the same name, to make information necessary for userspace to
+ *** call into the kernel available to libc. It contains only constants,
+ *** structures, and macros generated from the original header, and thus,
+ *** contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _MD_P_H
+#define _MD_P_H
+
+#define MD_RESERVED_BYTES (64 * 1024)
+#define MD_RESERVED_SECTORS (MD_RESERVED_BYTES / 512)
+#define MD_RESERVED_BLOCKS (MD_RESERVED_BYTES / BLOCK_SIZE)
+
+#define MD_NEW_SIZE_SECTORS(x) ((x & ~(MD_RESERVED_SECTORS - 1)) - MD_RESERVED_SECTORS)
+#define MD_NEW_SIZE_BLOCKS(x) ((x & ~(MD_RESERVED_BLOCKS - 1)) - MD_RESERVED_BLOCKS)
+
+#define MD_SB_BYTES 4096
+#define MD_SB_WORDS (MD_SB_BYTES / 4)
+#define MD_SB_BLOCKS (MD_SB_BYTES / BLOCK_SIZE)
+#define MD_SB_SECTORS (MD_SB_BYTES / 512)
+
+#define MD_SB_GENERIC_OFFSET 0
+#define MD_SB_PERSONALITY_OFFSET 64
+#define MD_SB_DISKS_OFFSET 128
+#define MD_SB_DESCRIPTOR_OFFSET 992
+
+#define MD_SB_GENERIC_CONSTANT_WORDS 32
+#define MD_SB_GENERIC_STATE_WORDS 32
+#define MD_SB_GENERIC_WORDS (MD_SB_GENERIC_CONSTANT_WORDS + MD_SB_GENERIC_STATE_WORDS)
+#define MD_SB_PERSONALITY_WORDS 64
+#define MD_SB_DESCRIPTOR_WORDS 32
+#define MD_SB_DISKS 27
+#define MD_SB_DISKS_WORDS (MD_SB_DISKS*MD_SB_DESCRIPTOR_WORDS)
+#define MD_SB_RESERVED_WORDS (1024 - MD_SB_GENERIC_WORDS - MD_SB_PERSONALITY_WORDS - MD_SB_DISKS_WORDS - MD_SB_DESCRIPTOR_WORDS)
+#define MD_SB_EQUAL_WORDS (MD_SB_GENERIC_WORDS + MD_SB_PERSONALITY_WORDS + MD_SB_DISKS_WORDS)
+
+#define MD_DISK_FAULTY 0
+#define MD_DISK_ACTIVE 1
+#define MD_DISK_SYNC 2
+#define MD_DISK_REMOVED 3
+
+#define MD_DISK_WRITEMOSTLY 9
+
+typedef struct mdp_device_descriptor_s {
+ __u32 number;
+ __u32 major;
+ __u32 minor;
+ __u32 raid_disk;
+ __u32 state;
+ __u32 reserved[MD_SB_DESCRIPTOR_WORDS - 5];
+} mdp_disk_t;
+
+#define MD_SB_MAGIC 0xa92b4efc
+
+#define MD_SB_CLEAN 0
+#define MD_SB_ERRORS 1
+
+#define MD_SB_BITMAP_PRESENT 8
+
+typedef struct mdp_superblock_s {
+
+ __u32 md_magic;
+ __u32 major_version;
+ __u32 minor_version;
+ __u32 patch_version;
+ __u32 gvalid_words;
+ __u32 set_uuid0;
+ __u32 ctime;
+ __u32 level;
+ __u32 size;
+ __u32 nr_disks;
+ __u32 raid_disks;
+ __u32 md_minor;
+ __u32 not_persistent;
+ __u32 set_uuid1;
+ __u32 set_uuid2;
+ __u32 set_uuid3;
+ __u32 gstate_creserved[MD_SB_GENERIC_CONSTANT_WORDS - 16];
+
+ __u32 utime;
+ __u32 state;
+ __u32 active_disks;
+ __u32 working_disks;
+ __u32 failed_disks;
+ __u32 spare_disks;
+ __u32 sb_csum;
+#ifdef __BIG_ENDIAN
+ __u32 events_hi;
+ __u32 events_lo;
+ __u32 cp_events_hi;
+ __u32 cp_events_lo;
+#else
+ __u32 events_lo;
+ __u32 events_hi;
+ __u32 cp_events_lo;
+ __u32 cp_events_hi;
+#endif
+ __u32 recovery_cp;
+
+ __u64 reshape_position;
+ __u32 new_level;
+ __u32 delta_disks;
+ __u32 new_layout;
+ __u32 new_chunk;
+ __u32 gstate_sreserved[MD_SB_GENERIC_STATE_WORDS - 18];
+
+ __u32 layout;
+ __u32 chunk_size;
+ __u32 root_pv;
+ __u32 root_block;
+ __u32 pstate_reserved[MD_SB_PERSONALITY_WORDS - 4];
+
+ mdp_disk_t disks[MD_SB_DISKS];
+
+ __u32 reserved[MD_SB_RESERVED_WORDS];
+
+ mdp_disk_t this_disk;
+
+} mdp_super_t;
+
+#define WriteMostly1 1
+
+#define MD_FEATURE_BITMAP_OFFSET 1
+#define MD_FEATURE_RECOVERY_OFFSET 2
+#define MD_FEATURE_RESHAPE_ACTIVE 4
+
+#define MD_FEATURE_ALL (1|2|4)
+
+#endif
+