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Ben Cheng655a7c02013-10-16 16:09:24 -07001/****************************************************************************
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 __GFS2_ONDISK_DOT_H__
20#define __GFS2_ONDISK_DOT_H__
21#include <linux/types.h>
22#define GFS2_MAGIC 0x01161970
Ben Cheng655a7c02013-10-16 16:09:24 -070023#define GFS2_BASIC_BLOCK 512
24#define GFS2_BASIC_BLOCK_SHIFT 9
25#define GFS2_MOUNT_LOCK 0
26#define GFS2_LIVE_LOCK 1
Christopher Ferrisba8d4f42014-09-03 19:56:49 -070027#define GFS2_FREEZE_LOCK 2
Ben Cheng655a7c02013-10-16 16:09:24 -070028#define GFS2_RENAME_LOCK 3
29#define GFS2_CONTROL_LOCK 4
30#define GFS2_MOUNTED_LOCK 5
Ben Cheng655a7c02013-10-16 16:09:24 -070031#define GFS2_FORMAT_NONE 0
32#define GFS2_FORMAT_SB 100
33#define GFS2_FORMAT_RG 200
34#define GFS2_FORMAT_RB 300
Ben Cheng655a7c02013-10-16 16:09:24 -070035#define GFS2_FORMAT_DI 400
36#define GFS2_FORMAT_IN 500
37#define GFS2_FORMAT_LF 600
38#define GFS2_FORMAT_JD 700
Ben Cheng655a7c02013-10-16 16:09:24 -070039#define GFS2_FORMAT_LH 800
40#define GFS2_FORMAT_LD 900
41#define GFS2_FORMAT_LB 1000
42#define GFS2_FORMAT_EA 1600
Ben Cheng655a7c02013-10-16 16:09:24 -070043#define GFS2_FORMAT_ED 1700
44#define GFS2_FORMAT_QC 1400
45#define GFS2_FORMAT_RI 1100
46#define GFS2_FORMAT_DE 1200
Ben Cheng655a7c02013-10-16 16:09:24 -070047#define GFS2_FORMAT_QU 1500
48#define GFS2_FORMAT_FS 1801
49#define GFS2_FORMAT_MULTI 1900
50struct gfs2_inum {
Tao Baod7db5942015-01-28 10:07:51 -080051 __be64 no_formal_ino;
52 __be64 no_addr;
Ben Cheng655a7c02013-10-16 16:09:24 -070053};
54#define GFS2_METATYPE_NONE 0
Ben Cheng655a7c02013-10-16 16:09:24 -070055#define GFS2_METATYPE_SB 1
56#define GFS2_METATYPE_RG 2
57#define GFS2_METATYPE_RB 3
58#define GFS2_METATYPE_DI 4
Ben Cheng655a7c02013-10-16 16:09:24 -070059#define GFS2_METATYPE_IN 5
60#define GFS2_METATYPE_LF 6
61#define GFS2_METATYPE_JD 7
62#define GFS2_METATYPE_LH 8
Ben Cheng655a7c02013-10-16 16:09:24 -070063#define GFS2_METATYPE_LD 9
64#define GFS2_METATYPE_LB 12
65#define GFS2_METATYPE_EA 10
66#define GFS2_METATYPE_ED 11
Ben Cheng655a7c02013-10-16 16:09:24 -070067#define GFS2_METATYPE_QC 14
68struct gfs2_meta_header {
Tao Baod7db5942015-01-28 10:07:51 -080069 __be32 mh_magic;
70 __be32 mh_type;
Tao Baod7db5942015-01-28 10:07:51 -080071 __be64 __pad0;
72 __be32 mh_format;
73 union {
74 __be32 mh_jid;
Tao Baod7db5942015-01-28 10:07:51 -080075 __be32 __pad1;
76 };
Ben Cheng655a7c02013-10-16 16:09:24 -070077};
78#define GFS2_SB_ADDR 128
Ben Cheng655a7c02013-10-16 16:09:24 -070079#define GFS2_SB_LOCK 0
80#define GFS2_LOCKNAME_LEN 64
81struct gfs2_sb {
Tao Baod7db5942015-01-28 10:07:51 -080082 struct gfs2_meta_header sb_header;
Tao Baod7db5942015-01-28 10:07:51 -080083 __be32 sb_fs_format;
84 __be32 sb_multihost_format;
85 __u32 __pad0;
86 __be32 sb_bsize;
Tao Baod7db5942015-01-28 10:07:51 -080087 __be32 sb_bsize_shift;
88 __u32 __pad1;
89 struct gfs2_inum sb_master_dir;
90 struct gfs2_inum __pad2;
Tao Baod7db5942015-01-28 10:07:51 -080091 struct gfs2_inum sb_root_dir;
92 char sb_lockproto[GFS2_LOCKNAME_LEN];
93 char sb_locktable[GFS2_LOCKNAME_LEN];
94 struct gfs2_inum __pad3;
Tao Baod7db5942015-01-28 10:07:51 -080095 struct gfs2_inum __pad4;
Ben Cheng655a7c02013-10-16 16:09:24 -070096#define GFS2_HAS_UUID 1
Tao Baod7db5942015-01-28 10:07:51 -080097 __u8 sb_uuid[16];
Ben Cheng655a7c02013-10-16 16:09:24 -070098};
Ben Cheng655a7c02013-10-16 16:09:24 -070099struct gfs2_rindex {
Tao Baod7db5942015-01-28 10:07:51 -0800100 __be64 ri_addr;
101 __be32 ri_length;
102 __u32 __pad;
Tao Baod7db5942015-01-28 10:07:51 -0800103 __be64 ri_data0;
104 __be32 ri_data;
105 __be32 ri_bitbytes;
106 __u8 ri_reserved[64];
Ben Cheng655a7c02013-10-16 16:09:24 -0700107};
108#define GFS2_NBBY 4
109#define GFS2_BIT_SIZE 2
110#define GFS2_BIT_MASK 0x00000003
Ben Cheng655a7c02013-10-16 16:09:24 -0700111#define GFS2_BLKST_FREE 0
112#define GFS2_BLKST_USED 1
113#define GFS2_BLKST_UNLINKED 2
114#define GFS2_BLKST_DINODE 3
Ben Cheng655a7c02013-10-16 16:09:24 -0700115#define GFS2_RGF_JOURNAL 0x00000001
116#define GFS2_RGF_METAONLY 0x00000002
117#define GFS2_RGF_DATAONLY 0x00000004
118#define GFS2_RGF_NOALLOC 0x00000008
Ben Cheng655a7c02013-10-16 16:09:24 -0700119#define GFS2_RGF_TRIMMED 0x00000010
120struct gfs2_rgrp_lvb {
Tao Baod7db5942015-01-28 10:07:51 -0800121 __be32 rl_magic;
122 __be32 rl_flags;
Tao Baod7db5942015-01-28 10:07:51 -0800123 __be32 rl_free;
124 __be32 rl_dinodes;
125 __be64 rl_igeneration;
126 __be32 rl_unlinked;
Tao Baod7db5942015-01-28 10:07:51 -0800127 __be32 __pad;
Ben Cheng655a7c02013-10-16 16:09:24 -0700128};
129struct gfs2_rgrp {
Tao Baod7db5942015-01-28 10:07:51 -0800130 struct gfs2_meta_header rg_header;
Tao Baod7db5942015-01-28 10:07:51 -0800131 __be32 rg_flags;
132 __be32 rg_free;
133 __be32 rg_dinodes;
134 __be32 __pad;
Tao Baod7db5942015-01-28 10:07:51 -0800135 __be64 rg_igeneration;
136 __u8 rg_reserved[80];
Ben Cheng655a7c02013-10-16 16:09:24 -0700137};
138struct gfs2_quota {
Tao Baod7db5942015-01-28 10:07:51 -0800139 __be64 qu_limit;
140 __be64 qu_warn;
141 __be64 qu_value;
142 __u8 qu_reserved[64];
Ben Cheng655a7c02013-10-16 16:09:24 -0700143};
144#define GFS2_MAX_META_HEIGHT 10
145#define GFS2_DIR_MAX_DEPTH 17
146#define DT2IF(dt) (((dt) << 12) & S_IFMT)
Ben Cheng655a7c02013-10-16 16:09:24 -0700147#define IF2DT(sif) (((sif) & S_IFMT) >> 12)
148enum {
Tao Baod7db5942015-01-28 10:07:51 -0800149 gfs2fl_Jdata = 0,
150 gfs2fl_ExHash = 1,
Tao Baod7db5942015-01-28 10:07:51 -0800151 gfs2fl_Unused = 2,
152 gfs2fl_EaIndirect = 3,
153 gfs2fl_Directio = 4,
154 gfs2fl_Immutable = 5,
Tao Baod7db5942015-01-28 10:07:51 -0800155 gfs2fl_AppendOnly = 6,
156 gfs2fl_NoAtime = 7,
157 gfs2fl_Sync = 8,
158 gfs2fl_System = 9,
Tao Baod7db5942015-01-28 10:07:51 -0800159 gfs2fl_TopLevel = 10,
160 gfs2fl_TruncInProg = 29,
161 gfs2fl_InheritDirectio = 30,
162 gfs2fl_InheritJdata = 31,
Ben Cheng655a7c02013-10-16 16:09:24 -0700163};
164#define GFS2_DIF_JDATA 0x00000001
165#define GFS2_DIF_EXHASH 0x00000002
166#define GFS2_DIF_UNUSED 0x00000004
Ben Cheng655a7c02013-10-16 16:09:24 -0700167#define GFS2_DIF_EA_INDIRECT 0x00000008
168#define GFS2_DIF_DIRECTIO 0x00000010
169#define GFS2_DIF_IMMUTABLE 0x00000020
170#define GFS2_DIF_APPENDONLY 0x00000040
Ben Cheng655a7c02013-10-16 16:09:24 -0700171#define GFS2_DIF_NOATIME 0x00000080
172#define GFS2_DIF_SYNC 0x00000100
173#define GFS2_DIF_SYSTEM 0x00000200
174#define GFS2_DIF_TOPDIR 0x00000400
Ben Cheng655a7c02013-10-16 16:09:24 -0700175#define GFS2_DIF_TRUNC_IN_PROG 0x20000000
176#define GFS2_DIF_INHERIT_DIRECTIO 0x40000000
177#define GFS2_DIF_INHERIT_JDATA 0x80000000
178struct gfs2_dinode {
Tao Baod7db5942015-01-28 10:07:51 -0800179 struct gfs2_meta_header di_header;
180 struct gfs2_inum di_num;
181 __be32 di_mode;
182 __be32 di_uid;
Tao Baod7db5942015-01-28 10:07:51 -0800183 __be32 di_gid;
184 __be32 di_nlink;
185 __be64 di_size;
186 __be64 di_blocks;
Tao Baod7db5942015-01-28 10:07:51 -0800187 __be64 di_atime;
188 __be64 di_mtime;
189 __be64 di_ctime;
190 __be32 di_major;
Tao Baod7db5942015-01-28 10:07:51 -0800191 __be32 di_minor;
192 __be64 di_goal_meta;
193 __be64 di_goal_data;
194 __be64 di_generation;
Tao Baod7db5942015-01-28 10:07:51 -0800195 __be32 di_flags;
196 __be32 di_payload_format;
197 __u16 __pad1;
198 __be16 di_height;
Tao Baod7db5942015-01-28 10:07:51 -0800199 __u32 __pad2;
200 __u16 __pad3;
201 __be16 di_depth;
202 __be32 di_entries;
Tao Baod7db5942015-01-28 10:07:51 -0800203 struct gfs2_inum __pad4;
204 __be64 di_eattr;
205 __be32 di_atime_nsec;
206 __be32 di_mtime_nsec;
Tao Baod7db5942015-01-28 10:07:51 -0800207 __be32 di_ctime_nsec;
208 __u8 di_reserved[44];
Ben Cheng655a7c02013-10-16 16:09:24 -0700209};
210#define GFS2_FNAMESIZE 255
Ben Cheng655a7c02013-10-16 16:09:24 -0700211#define GFS2_DIRENT_SIZE(name_len) ((sizeof(struct gfs2_dirent) + (name_len) + 7) & ~7)
Christopher Ferris106b3a82016-08-24 12:15:38 -0700212#define GFS2_MIN_DIRENT_SIZE (GFS2_DIRENT_SIZE(1))
Ben Cheng655a7c02013-10-16 16:09:24 -0700213struct gfs2_dirent {
Tao Baod7db5942015-01-28 10:07:51 -0800214 struct gfs2_inum de_inum;
Christopher Ferris106b3a82016-08-24 12:15:38 -0700215 __be32 de_hash;
Tao Baod7db5942015-01-28 10:07:51 -0800216 __be16 de_rec_len;
217 __be16 de_name_len;
218 __be16 de_type;
Christopher Ferris106b3a82016-08-24 12:15:38 -0700219 __be16 de_rahead;
Tao Baod7db5942015-01-28 10:07:51 -0800220 union {
Christopher Ferris106b3a82016-08-24 12:15:38 -0700221 __u8 __pad[12];
Tao Baod7db5942015-01-28 10:07:51 -0800222 struct {
Christopher Ferris106b3a82016-08-24 12:15:38 -0700223 __u32 de_cookie;
224 __u8 pad3[8];
Tao Baod7db5942015-01-28 10:07:51 -0800225 };
226 };
Christopher Ferrisba8d4f42014-09-03 19:56:49 -0700227};
228struct gfs2_leaf {
Tao Baod7db5942015-01-28 10:07:51 -0800229 struct gfs2_meta_header lf_header;
230 __be16 lf_depth;
231 __be16 lf_entries;
232 __be32 lf_dirent_format;
Tao Baod7db5942015-01-28 10:07:51 -0800233 __be64 lf_next;
234 union {
235 __u8 lf_reserved[64];
236 struct {
Tao Baod7db5942015-01-28 10:07:51 -0800237 __be64 lf_inode;
238 __be32 lf_dist;
239 __be32 lf_nsec;
240 __be64 lf_sec;
Tao Baod7db5942015-01-28 10:07:51 -0800241 __u8 lf_reserved2[40];
242 };
243 };
Ben Cheng655a7c02013-10-16 16:09:24 -0700244};
245#define GFS2_EA_MAX_NAME_LEN 255
246#define GFS2_EA_MAX_DATA_LEN 65536
Christopher Ferris38062f92014-07-09 15:33:25 -0700247#define GFS2_EATYPE_UNUSED 0
Ben Cheng655a7c02013-10-16 16:09:24 -0700248#define GFS2_EATYPE_USR 1
249#define GFS2_EATYPE_SYS 2
250#define GFS2_EATYPE_SECURITY 3
Christopher Ferris38062f92014-07-09 15:33:25 -0700251#define GFS2_EATYPE_LAST 3
Ben Cheng655a7c02013-10-16 16:09:24 -0700252#define GFS2_EATYPE_VALID(x) ((x) <= GFS2_EATYPE_LAST)
253#define GFS2_EAFLAG_LAST 0x01
254struct gfs2_ea_header {
Tao Baod7db5942015-01-28 10:07:51 -0800255 __be32 ea_rec_len;
256 __be32 ea_data_len;
Tao Baod7db5942015-01-28 10:07:51 -0800257 __u8 ea_name_len;
258 __u8 ea_type;
259 __u8 ea_flags;
260 __u8 ea_num_ptrs;
Tao Baod7db5942015-01-28 10:07:51 -0800261 __u32 __pad;
Ben Cheng655a7c02013-10-16 16:09:24 -0700262};
Christopher Ferris38062f92014-07-09 15:33:25 -0700263#define GFS2_LOG_HEAD_UNMOUNT 0x00000001
Ben Cheng655a7c02013-10-16 16:09:24 -0700264struct gfs2_log_header {
Tao Baod7db5942015-01-28 10:07:51 -0800265 struct gfs2_meta_header lh_header;
266 __be64 lh_sequence;
267 __be32 lh_flags;
268 __be32 lh_tail;
Tao Baod7db5942015-01-28 10:07:51 -0800269 __be32 lh_blkno;
270 __be32 lh_hash;
Christopher Ferris38062f92014-07-09 15:33:25 -0700271};
Ben Cheng655a7c02013-10-16 16:09:24 -0700272#define GFS2_LOG_DESC_METADATA 300
273#define GFS2_LOG_DESC_REVOKE 301
274#define GFS2_LOG_DESC_JDATA 302
Christopher Ferris38062f92014-07-09 15:33:25 -0700275struct gfs2_log_descriptor {
Tao Baod7db5942015-01-28 10:07:51 -0800276 struct gfs2_meta_header ld_header;
Tao Baod7db5942015-01-28 10:07:51 -0800277 __be32 ld_type;
278 __be32 ld_length;
279 __be32 ld_data1;
280 __be32 ld_data2;
Tao Baod7db5942015-01-28 10:07:51 -0800281 __u8 ld_reserved[32];
Ben Cheng655a7c02013-10-16 16:09:24 -0700282};
Christopher Ferris38062f92014-07-09 15:33:25 -0700283#define GFS2_INUM_QUANTUM 1048576
Ben Cheng655a7c02013-10-16 16:09:24 -0700284struct gfs2_inum_range {
Tao Baod7db5942015-01-28 10:07:51 -0800285 __be64 ir_start;
286 __be64 ir_length;
Christopher Ferris38062f92014-07-09 15:33:25 -0700287};
Ben Cheng655a7c02013-10-16 16:09:24 -0700288struct gfs2_statfs_change {
Tao Baod7db5942015-01-28 10:07:51 -0800289 __be64 sc_total;
290 __be64 sc_free;
291 __be64 sc_dinodes;
Ben Cheng655a7c02013-10-16 16:09:24 -0700292};
293#define GFS2_QCF_USER 0x00000001
294struct gfs2_quota_change {
Tao Baod7db5942015-01-28 10:07:51 -0800295 __be64 qc_change;
296 __be32 qc_flags;
Tao Baod7db5942015-01-28 10:07:51 -0800297 __be32 qc_id;
Ben Cheng655a7c02013-10-16 16:09:24 -0700298};
Christopher Ferris38062f92014-07-09 15:33:25 -0700299struct gfs2_quota_lvb {
Tao Baod7db5942015-01-28 10:07:51 -0800300 __be32 qb_magic;
Tao Baod7db5942015-01-28 10:07:51 -0800301 __u32 __pad;
302 __be64 qb_limit;
303 __be64 qb_warn;
304 __be64 qb_value;
Ben Cheng655a7c02013-10-16 16:09:24 -0700305};
306#endif