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_WRITEMOSTLY 9
53 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
54 typedef struct mdp_device_descriptor_s {
55   __u32 number;
56   __u32 major;
57   __u32 minor;
58 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
59   __u32 raid_disk;
60   __u32 state;
61   __u32 reserved[MD_SB_DESCRIPTOR_WORDS - 5];
62 } mdp_disk_t;
63 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
64 #define MD_SB_MAGIC 0xa92b4efc
65 #define MD_SB_CLEAN 0
66 #define MD_SB_ERRORS 1
67 #define MD_SB_BITMAP_PRESENT 8
68 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
69 typedef struct mdp_superblock_s {
70   __u32 md_magic;
71   __u32 major_version;
72   __u32 minor_version;
73 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
74   __u32 patch_version;
75   __u32 gvalid_words;
76   __u32 set_uuid0;
77   __u32 ctime;
78 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
79   __u32 level;
80   __u32 size;
81   __u32 nr_disks;
82   __u32 raid_disks;
83 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
84   __u32 md_minor;
85   __u32 not_persistent;
86   __u32 set_uuid1;
87   __u32 set_uuid2;
88 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
89   __u32 set_uuid3;
90   __u32 gstate_creserved[MD_SB_GENERIC_CONSTANT_WORDS - 16];
91   __u32 utime;
92   __u32 state;
93 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
94   __u32 active_disks;
95   __u32 working_disks;
96   __u32 failed_disks;
97   __u32 spare_disks;
98 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
99   __u32 sb_csum;
100 #if defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN)
101   __u32 events_hi;
102   __u32 events_lo;
103 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
104   __u32 cp_events_hi;
105   __u32 cp_events_lo;
106 #elif defined(__BYTE_ORDER)?__BYTE_ORDER==__LITTLE_ENDIAN:defined(__LITTLE_ENDIAN)
107   __u32 events_lo;
108 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
109   __u32 events_hi;
110   __u32 cp_events_lo;
111   __u32 cp_events_hi;
112 #else
113 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
114 #error unspecified endianness
115 #endif
116   __u32 recovery_cp;
117   __u64 reshape_position;
118 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
119   __u32 new_level;
120   __u32 delta_disks;
121   __u32 new_layout;
122   __u32 new_chunk;
123 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
124   __u32 gstate_sreserved[MD_SB_GENERIC_STATE_WORDS - 18];
125   __u32 layout;
126   __u32 chunk_size;
127   __u32 root_pv;
128 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
129   __u32 root_block;
130   __u32 pstate_reserved[MD_SB_PERSONALITY_WORDS - 4];
131   mdp_disk_t disks[MD_SB_DISKS];
132   __u32 reserved[MD_SB_RESERVED_WORDS];
133 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
134   mdp_disk_t this_disk;
135 } mdp_super_t;
136 #define MD_SUPERBLOCK_1_TIME_SEC_MASK ((1ULL << 40) - 1)
137 struct mdp_superblock_1 {
138 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
139   __le32 magic;
140   __le32 major_version;
141   __le32 feature_map;
142   __le32 pad0;
143 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
144   __u8 set_uuid[16];
145   char set_name[32];
146   __le64 ctime;
147   __le32 level;
148 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
149   __le32 layout;
150   __le64 size;
151   __le32 chunksize;
152   __le32 raid_disks;
153 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
154   __le32 bitmap_offset;
155   __le32 new_level;
156   __le64 reshape_position;
157   __le32 delta_disks;
158 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
159   __le32 new_layout;
160   __le32 new_chunk;
161   __le32 new_offset;
162   __le64 data_offset;
163 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
164   __le64 data_size;
165   __le64 super_offset;
166   __le64 recovery_offset;
167   __le32 dev_number;
168 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
169   __le32 cnt_corrected_read;
170   __u8 device_uuid[16];
171   __u8 devflags;
172 #define WriteMostly1 1
173 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
174   __u8 bblog_shift;
175   __le16 bblog_size;
176   __le32 bblog_offset;
177   __le64 utime;
178 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
179   __le64 events;
180   __le64 resync_offset;
181   __le32 sb_csum;
182   __le32 max_dev;
183 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
184   __u8 pad3[64 - 32];
185   __le16 dev_roles[0];
186 };
187 #define MD_FEATURE_BITMAP_OFFSET 1
188 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
189 #define MD_FEATURE_RECOVERY_OFFSET 2
190 #define MD_FEATURE_RESHAPE_ACTIVE 4
191 #define MD_FEATURE_BAD_BLOCKS 8
192 #define MD_FEATURE_REPLACEMENT 16
193 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
194 #define MD_FEATURE_RESHAPE_BACKWARDS 32
195 #define MD_FEATURE_NEW_OFFSET 64
196 #define MD_FEATURE_RECOVERY_BITMAP 128
197 #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)
198 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
199 #endif
200