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 #include <asm/byteorder.h> 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 #define MD_RESERVED_BYTES (64 * 1024) 25 #define MD_RESERVED_SECTORS (MD_RESERVED_BYTES / 512) 26 #define MD_NEW_SIZE_SECTORS(x) ((x & ~(MD_RESERVED_SECTORS - 1)) - MD_RESERVED_SECTORS) 27 #define MD_SB_BYTES 4096 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 #define MD_SB_WORDS (MD_SB_BYTES / 4) 30 #define MD_SB_SECTORS (MD_SB_BYTES / 512) 31 #define MD_SB_GENERIC_OFFSET 0 32 #define MD_SB_PERSONALITY_OFFSET 64 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 #define MD_SB_DISKS_OFFSET 128 35 #define MD_SB_DESCRIPTOR_OFFSET 992 36 #define MD_SB_GENERIC_CONSTANT_WORDS 32 37 #define MD_SB_GENERIC_STATE_WORDS 32 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 #define MD_SB_GENERIC_WORDS (MD_SB_GENERIC_CONSTANT_WORDS + MD_SB_GENERIC_STATE_WORDS) 40 #define MD_SB_PERSONALITY_WORDS 64 41 #define MD_SB_DESCRIPTOR_WORDS 32 42 #define MD_SB_DISKS 27 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44 #define MD_SB_DISKS_WORDS (MD_SB_DISKS * MD_SB_DESCRIPTOR_WORDS) 45 #define MD_SB_RESERVED_WORDS (1024 - MD_SB_GENERIC_WORDS - MD_SB_PERSONALITY_WORDS - MD_SB_DISKS_WORDS - MD_SB_DESCRIPTOR_WORDS) 46 #define MD_SB_EQUAL_WORDS (MD_SB_GENERIC_WORDS + MD_SB_PERSONALITY_WORDS + MD_SB_DISKS_WORDS) 47 #define MD_DISK_FAULTY 0 48 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49 #define MD_DISK_ACTIVE 1 50 #define MD_DISK_SYNC 2 51 #define MD_DISK_REMOVED 3 52 #define MD_DISK_CLUSTER_ADD 4 53 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54 #define MD_DISK_CANDIDATE 5 55 #define MD_DISK_WRITEMOSTLY 9 56 #define MD_DISK_JOURNAL 18 57 #define MD_DISK_ROLE_SPARE 0xffff 58 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59 #define MD_DISK_ROLE_FAULTY 0xfffe 60 #define MD_DISK_ROLE_JOURNAL 0xfffd 61 #define MD_DISK_ROLE_MAX 0xff00 62 typedef struct mdp_device_descriptor_s { 63 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 64 __u32 number; 65 __u32 major; 66 __u32 minor; 67 __u32 raid_disk; 68 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 69 __u32 state; 70 __u32 reserved[MD_SB_DESCRIPTOR_WORDS - 5]; 71 } mdp_disk_t; 72 #define MD_SB_MAGIC 0xa92b4efc 73 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 74 #define MD_SB_CLEAN 0 75 #define MD_SB_ERRORS 1 76 #define MD_SB_CLUSTERED 5 77 #define MD_SB_BITMAP_PRESENT 8 78 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 79 typedef struct mdp_superblock_s { 80 __u32 md_magic; 81 __u32 major_version; 82 __u32 minor_version; 83 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 84 __u32 patch_version; 85 __u32 gvalid_words; 86 __u32 set_uuid0; 87 __u32 ctime; 88 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 89 __u32 level; 90 __u32 size; 91 __u32 nr_disks; 92 __u32 raid_disks; 93 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 94 __u32 md_minor; 95 __u32 not_persistent; 96 __u32 set_uuid1; 97 __u32 set_uuid2; 98 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 99 __u32 set_uuid3; 100 __u32 gstate_creserved[MD_SB_GENERIC_CONSTANT_WORDS - 16]; 101 __u32 utime; 102 __u32 state; 103 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 104 __u32 active_disks; 105 __u32 working_disks; 106 __u32 failed_disks; 107 __u32 spare_disks; 108 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 109 __u32 sb_csum; 110 #if defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN) 111 __u32 events_hi; 112 __u32 events_lo; 113 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 114 __u32 cp_events_hi; 115 __u32 cp_events_lo; 116 #elif defined(__BYTE_ORDER)?__BYTE_ORDER==__LITTLE_ENDIAN:defined(__LITTLE_ENDIAN) 117 __u32 events_lo; 118 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 119 __u32 events_hi; 120 __u32 cp_events_lo; 121 __u32 cp_events_hi; 122 #else 123 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 124 #error unspecified endianness 125 #endif 126 __u32 recovery_cp; 127 __u64 reshape_position; 128 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 129 __u32 new_level; 130 __u32 delta_disks; 131 __u32 new_layout; 132 __u32 new_chunk; 133 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 134 __u32 gstate_sreserved[MD_SB_GENERIC_STATE_WORDS - 18]; 135 __u32 layout; 136 __u32 chunk_size; 137 __u32 root_pv; 138 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 139 __u32 root_block; 140 __u32 pstate_reserved[MD_SB_PERSONALITY_WORDS - 4]; 141 mdp_disk_t disks[MD_SB_DISKS]; 142 __u32 reserved[MD_SB_RESERVED_WORDS]; 143 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 144 mdp_disk_t this_disk; 145 } mdp_super_t; 146 #define MD_SUPERBLOCK_1_TIME_SEC_MASK ((1ULL << 40) - 1) 147 struct mdp_superblock_1 { 148 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 149 __le32 magic; 150 __le32 major_version; 151 __le32 feature_map; 152 __le32 pad0; 153 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 154 __u8 set_uuid[16]; 155 char set_name[32]; 156 __le64 ctime; 157 __le32 level; 158 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 159 __le32 layout; 160 __le64 size; 161 __le32 chunksize; 162 __le32 raid_disks; 163 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 164 __le32 bitmap_offset; 165 __le32 new_level; 166 __le64 reshape_position; 167 __le32 delta_disks; 168 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 169 __le32 new_layout; 170 __le32 new_chunk; 171 __le32 new_offset; 172 __le64 data_offset; 173 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 174 __le64 data_size; 175 __le64 super_offset; 176 union { 177 __le64 recovery_offset; 178 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 179 __le64 journal_tail; 180 }; 181 __le32 dev_number; 182 __le32 cnt_corrected_read; 183 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 184 __u8 device_uuid[16]; 185 __u8 devflags; 186 #define WriteMostly1 1 187 __u8 bblog_shift; 188 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 189 __le16 bblog_size; 190 __le32 bblog_offset; 191 __le64 utime; 192 __le64 events; 193 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 194 __le64 resync_offset; 195 __le32 sb_csum; 196 __le32 max_dev; 197 __u8 pad3[64 - 32]; 198 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 199 __le16 dev_roles[0]; 200 }; 201 #define MD_FEATURE_BITMAP_OFFSET 1 202 #define MD_FEATURE_RECOVERY_OFFSET 2 203 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 204 #define MD_FEATURE_RESHAPE_ACTIVE 4 205 #define MD_FEATURE_BAD_BLOCKS 8 206 #define MD_FEATURE_REPLACEMENT 16 207 #define MD_FEATURE_RESHAPE_BACKWARDS 32 208 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 209 #define MD_FEATURE_NEW_OFFSET 64 210 #define MD_FEATURE_RECOVERY_BITMAP 128 211 #define MD_FEATURE_CLUSTERED 256 212 #define MD_FEATURE_JOURNAL 512 213 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 214 #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 | MD_FEATURE_RECOVERY_BITMAP | MD_FEATURE_CLUSTERED | MD_FEATURE_JOURNAL) 215 struct r5l_payload_header { 216 __le16 type; 217 __le16 flags; 218 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 219 } __attribute__((__packed__)); 220 enum r5l_payload_type { 221 R5LOG_PAYLOAD_DATA = 0, 222 R5LOG_PAYLOAD_PARITY = 1, 223 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 224 R5LOG_PAYLOAD_FLUSH = 2, 225 }; 226 struct r5l_payload_data_parity { 227 struct r5l_payload_header header; 228 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 229 __le32 size; 230 __le64 location; 231 __le32 checksum[]; 232 } __attribute__((__packed__)); 233 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 234 enum r5l_payload_data_parity_flag { 235 R5LOG_PAYLOAD_FLAG_DISCARD = 1, 236 R5LOG_PAYLOAD_FLAG_RESHAPED = 2, 237 R5LOG_PAYLOAD_FLAG_RESHAPING = 3, 238 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 239 }; 240 struct r5l_payload_flush { 241 struct r5l_payload_header header; 242 __le32 size; 243 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 244 __le64 flush_stripes[]; 245 } __attribute__((__packed__)); 246 enum r5l_payload_flush_flag { 247 R5LOG_PAYLOAD_FLAG_FLUSH_STRIPE = 1, 248 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 249 }; 250 struct r5l_meta_block { 251 __le32 magic; 252 __le32 checksum; 253 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 254 __u8 version; 255 __u8 __zero_pading_1; 256 __le16 __zero_pading_2; 257 __le32 meta_size; 258 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 259 __le64 seq; 260 __le64 position; 261 struct r5l_payload_header payloads[]; 262 } __attribute__((__packed__)); 263 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 264 #define R5LOG_VERSION 0x1 265 #define R5LOG_MAGIC 0x6433c509 266 #endif 267