1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _MD_P_H 20 #define _MD_P_H 21 #include <linux/types.h> 22 #define MD_RESERVED_BYTES (64 * 1024) 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 #define MD_RESERVED_SECTORS (MD_RESERVED_BYTES / 512) 25 #define MD_NEW_SIZE_SECTORS(x) ((x & ~(MD_RESERVED_SECTORS - 1)) - MD_RESERVED_SECTORS) 26 #define MD_SB_BYTES 4096 27 #define MD_SB_WORDS (MD_SB_BYTES / 4) 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 #define MD_SB_SECTORS (MD_SB_BYTES / 512) 30 #define MD_SB_GENERIC_OFFSET 0 31 #define MD_SB_PERSONALITY_OFFSET 64 32 #define MD_SB_DISKS_OFFSET 128 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 #define MD_SB_DESCRIPTOR_OFFSET 992 35 #define MD_SB_GENERIC_CONSTANT_WORDS 32 36 #define MD_SB_GENERIC_STATE_WORDS 32 37 #define MD_SB_GENERIC_WORDS (MD_SB_GENERIC_CONSTANT_WORDS + MD_SB_GENERIC_STATE_WORDS) 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 #define MD_SB_PERSONALITY_WORDS 64 40 #define MD_SB_DESCRIPTOR_WORDS 32 41 #define MD_SB_DISKS 27 42 #define MD_SB_DISKS_WORDS (MD_SB_DISKS*MD_SB_DESCRIPTOR_WORDS) 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44 #define MD_SB_RESERVED_WORDS (1024 - MD_SB_GENERIC_WORDS - MD_SB_PERSONALITY_WORDS - MD_SB_DISKS_WORDS - MD_SB_DESCRIPTOR_WORDS) 45 #define MD_SB_EQUAL_WORDS (MD_SB_GENERIC_WORDS + MD_SB_PERSONALITY_WORDS + MD_SB_DISKS_WORDS) 46 #define MD_DISK_FAULTY 0 47 #define MD_DISK_ACTIVE 1 48 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49 #define MD_DISK_SYNC 2 50 #define MD_DISK_REMOVED 3 51 #define MD_DISK_WRITEMOSTLY 9 52 typedef struct mdp_device_descriptor_s { 53 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54 __u32 number; 55 __u32 major; 56 __u32 minor; 57 __u32 raid_disk; 58 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59 __u32 state; 60 __u32 reserved[MD_SB_DESCRIPTOR_WORDS - 5]; 61 } mdp_disk_t; 62 #define MD_SB_MAGIC 0xa92b4efc 63 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 64 #define MD_SB_CLEAN 0 65 #define MD_SB_ERRORS 1 66 #define MD_SB_BITMAP_PRESENT 8 67 typedef struct mdp_superblock_s { 68 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 69 __u32 md_magic; 70 __u32 major_version; 71 __u32 minor_version; 72 __u32 patch_version; 73 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 74 __u32 gvalid_words; 75 __u32 set_uuid0; 76 __u32 ctime; 77 __u32 level; 78 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 79 __u32 size; 80 __u32 nr_disks; 81 __u32 raid_disks; 82 __u32 md_minor; 83 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 84 __u32 not_persistent; 85 __u32 set_uuid1; 86 __u32 set_uuid2; 87 __u32 set_uuid3; 88 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 89 __u32 gstate_creserved[MD_SB_GENERIC_CONSTANT_WORDS - 16]; 90 __u32 utime; 91 __u32 state; 92 __u32 active_disks; 93 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 94 __u32 working_disks; 95 __u32 failed_disks; 96 __u32 spare_disks; 97 __u32 sb_csum; 98 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 99 #if defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN) 100 __u32 events_hi; 101 __u32 events_lo; 102 __u32 cp_events_hi; 103 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 104 __u32 cp_events_lo; 105 #elif defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : defined(__LITTLE_ENDIAN) 106 __u32 events_lo; 107 __u32 events_hi; 108 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 109 __u32 cp_events_lo; 110 __u32 cp_events_hi; 111 #else 112 #error unspecified endianness 113 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 114 #endif 115 __u32 recovery_cp; 116 __u64 reshape_position; 117 __u32 new_level; 118 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 119 __u32 delta_disks; 120 __u32 new_layout; 121 __u32 new_chunk; 122 __u32 gstate_sreserved[MD_SB_GENERIC_STATE_WORDS - 18]; 123 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 124 __u32 layout; 125 __u32 chunk_size; 126 __u32 root_pv; 127 __u32 root_block; 128 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 129 __u32 pstate_reserved[MD_SB_PERSONALITY_WORDS - 4]; 130 mdp_disk_t disks[MD_SB_DISKS]; 131 __u32 reserved[MD_SB_RESERVED_WORDS]; 132 mdp_disk_t this_disk; 133 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 134 } mdp_super_t; 135 #define MD_SUPERBLOCK_1_TIME_SEC_MASK ((1ULL<<40) - 1) 136 struct mdp_superblock_1 { 137 __le32 magic; 138 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 139 __le32 major_version; 140 __le32 feature_map; 141 __le32 pad0; 142 __u8 set_uuid[16]; 143 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 144 char set_name[32]; 145 __le64 ctime; 146 __le32 level; 147 __le32 layout; 148 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 149 __le64 size; 150 __le32 chunksize; 151 __le32 raid_disks; 152 __le32 bitmap_offset; 153 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 154 __le32 new_level; 155 __le64 reshape_position; 156 __le32 delta_disks; 157 __le32 new_layout; 158 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 159 __le32 new_chunk; 160 __le32 new_offset; 161 __le64 data_offset; 162 __le64 data_size; 163 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 164 __le64 super_offset; 165 __le64 recovery_offset; 166 __le32 dev_number; 167 __le32 cnt_corrected_read; 168 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 169 __u8 device_uuid[16]; 170 __u8 devflags; 171 #define WriteMostly1 1 172 __u8 bblog_shift; 173 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 174 __le16 bblog_size; 175 __le32 bblog_offset; 176 __le64 utime; 177 __le64 events; 178 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 179 __le64 resync_offset; 180 __le32 sb_csum; 181 __le32 max_dev; 182 __u8 pad3[64-32]; 183 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 184 __le16 dev_roles[0]; 185 }; 186 #define MD_FEATURE_BITMAP_OFFSET 1 187 #define MD_FEATURE_RECOVERY_OFFSET 2 188 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 189 #define MD_FEATURE_RESHAPE_ACTIVE 4 190 #define MD_FEATURE_BAD_BLOCKS 8 191 #define MD_FEATURE_REPLACEMENT 16 192 #define MD_FEATURE_RESHAPE_BACKWARDS 32 193 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 194 #define MD_FEATURE_NEW_OFFSET 64 195 #define MD_FEATURE_ALL (MD_FEATURE_BITMAP_OFFSET |MD_FEATURE_RECOVERY_OFFSET |MD_FEATURE_RESHAPE_ACTIVE |MD_FEATURE_BAD_BLOCKS |MD_FEATURE_REPLACEMENT |MD_FEATURE_RESHAPE_BACKWARDS |MD_FEATURE_NEW_OFFSET ) 196 #endif 197