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 __GFS2_ONDISK_DOT_H__
20#define __GFS2_ONDISK_DOT_H__
21#include <linux/types.h>
22#define GFS2_MAGIC 0x01161970
23#define GFS2_BASIC_BLOCK 512
24#define GFS2_BASIC_BLOCK_SHIFT 9
25#define GFS2_MOUNT_LOCK 0
26#define GFS2_LIVE_LOCK 1
27#define GFS2_FREEZE_LOCK 2
28#define GFS2_RENAME_LOCK 3
29#define GFS2_CONTROL_LOCK 4
30#define GFS2_MOUNTED_LOCK 5
31#define GFS2_FORMAT_NONE 0
32#define GFS2_FORMAT_SB 100
33#define GFS2_FORMAT_RG 200
34#define GFS2_FORMAT_RB 300
35#define GFS2_FORMAT_DI 400
36#define GFS2_FORMAT_IN 500
37#define GFS2_FORMAT_LF 600
38#define GFS2_FORMAT_JD 700
39#define GFS2_FORMAT_LH 800
40#define GFS2_FORMAT_LD 900
41#define GFS2_FORMAT_LB 1000
42#define GFS2_FORMAT_EA 1600
43#define GFS2_FORMAT_ED 1700
44#define GFS2_FORMAT_QC 1400
45#define GFS2_FORMAT_RI 1100
46#define GFS2_FORMAT_DE 1200
47#define GFS2_FORMAT_QU 1500
48#define GFS2_FORMAT_FS 1801
49#define GFS2_FORMAT_MULTI 1900
50struct gfs2_inum {
51  __be64 no_formal_ino;
52  __be64 no_addr;
53};
54#define GFS2_METATYPE_NONE 0
55#define GFS2_METATYPE_SB 1
56#define GFS2_METATYPE_RG 2
57#define GFS2_METATYPE_RB 3
58#define GFS2_METATYPE_DI 4
59#define GFS2_METATYPE_IN 5
60#define GFS2_METATYPE_LF 6
61#define GFS2_METATYPE_JD 7
62#define GFS2_METATYPE_LH 8
63#define GFS2_METATYPE_LD 9
64#define GFS2_METATYPE_LB 12
65#define GFS2_METATYPE_EA 10
66#define GFS2_METATYPE_ED 11
67#define GFS2_METATYPE_QC 14
68struct gfs2_meta_header {
69  __be32 mh_magic;
70  __be32 mh_type;
71  __be64 __pad0;
72  __be32 mh_format;
73  union {
74    __be32 mh_jid;
75    __be32 __pad1;
76  };
77};
78#define GFS2_SB_ADDR 128
79#define GFS2_SB_LOCK 0
80#define GFS2_LOCKNAME_LEN 64
81struct gfs2_sb {
82  struct gfs2_meta_header sb_header;
83  __be32 sb_fs_format;
84  __be32 sb_multihost_format;
85  __u32 __pad0;
86  __be32 sb_bsize;
87  __be32 sb_bsize_shift;
88  __u32 __pad1;
89  struct gfs2_inum sb_master_dir;
90  struct gfs2_inum __pad2;
91  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;
95  struct gfs2_inum __pad4;
96#define GFS2_HAS_UUID 1
97  __u8 sb_uuid[16];
98};
99struct gfs2_rindex {
100  __be64 ri_addr;
101  __be32 ri_length;
102  __u32 __pad;
103  __be64 ri_data0;
104  __be32 ri_data;
105  __be32 ri_bitbytes;
106  __u8 ri_reserved[64];
107};
108#define GFS2_NBBY 4
109#define GFS2_BIT_SIZE 2
110#define GFS2_BIT_MASK 0x00000003
111#define GFS2_BLKST_FREE 0
112#define GFS2_BLKST_USED 1
113#define GFS2_BLKST_UNLINKED 2
114#define GFS2_BLKST_DINODE 3
115#define GFS2_RGF_JOURNAL 0x00000001
116#define GFS2_RGF_METAONLY 0x00000002
117#define GFS2_RGF_DATAONLY 0x00000004
118#define GFS2_RGF_NOALLOC 0x00000008
119#define GFS2_RGF_TRIMMED 0x00000010
120struct gfs2_rgrp_lvb {
121  __be32 rl_magic;
122  __be32 rl_flags;
123  __be32 rl_free;
124  __be32 rl_dinodes;
125  __be64 rl_igeneration;
126  __be32 rl_unlinked;
127  __be32 __pad;
128};
129struct gfs2_rgrp {
130  struct gfs2_meta_header rg_header;
131  __be32 rg_flags;
132  __be32 rg_free;
133  __be32 rg_dinodes;
134  __be32 __pad;
135  __be64 rg_igeneration;
136  __u8 rg_reserved[80];
137};
138struct gfs2_quota {
139  __be64 qu_limit;
140  __be64 qu_warn;
141  __be64 qu_value;
142  __u8 qu_reserved[64];
143};
144#define GFS2_MAX_META_HEIGHT 10
145#define GFS2_DIR_MAX_DEPTH 17
146#define DT2IF(dt) (((dt) << 12) & S_IFMT)
147#define IF2DT(sif) (((sif) & S_IFMT) >> 12)
148enum {
149  gfs2fl_Jdata = 0,
150  gfs2fl_ExHash = 1,
151  gfs2fl_Unused = 2,
152  gfs2fl_EaIndirect = 3,
153  gfs2fl_Directio = 4,
154  gfs2fl_Immutable = 5,
155  gfs2fl_AppendOnly = 6,
156  gfs2fl_NoAtime = 7,
157  gfs2fl_Sync = 8,
158  gfs2fl_System = 9,
159  gfs2fl_TopLevel = 10,
160  gfs2fl_TruncInProg = 29,
161  gfs2fl_InheritDirectio = 30,
162  gfs2fl_InheritJdata = 31,
163};
164#define GFS2_DIF_JDATA 0x00000001
165#define GFS2_DIF_EXHASH 0x00000002
166#define GFS2_DIF_UNUSED 0x00000004
167#define GFS2_DIF_EA_INDIRECT 0x00000008
168#define GFS2_DIF_DIRECTIO 0x00000010
169#define GFS2_DIF_IMMUTABLE 0x00000020
170#define GFS2_DIF_APPENDONLY 0x00000040
171#define GFS2_DIF_NOATIME 0x00000080
172#define GFS2_DIF_SYNC 0x00000100
173#define GFS2_DIF_SYSTEM 0x00000200
174#define GFS2_DIF_TOPDIR 0x00000400
175#define GFS2_DIF_TRUNC_IN_PROG 0x20000000
176#define GFS2_DIF_INHERIT_DIRECTIO 0x40000000
177#define GFS2_DIF_INHERIT_JDATA 0x80000000
178struct gfs2_dinode {
179  struct gfs2_meta_header di_header;
180  struct gfs2_inum di_num;
181  __be32 di_mode;
182  __be32 di_uid;
183  __be32 di_gid;
184  __be32 di_nlink;
185  __be64 di_size;
186  __be64 di_blocks;
187  __be64 di_atime;
188  __be64 di_mtime;
189  __be64 di_ctime;
190  __be32 di_major;
191  __be32 di_minor;
192  __be64 di_goal_meta;
193  __be64 di_goal_data;
194  __be64 di_generation;
195  __be32 di_flags;
196  __be32 di_payload_format;
197  __u16 __pad1;
198  __be16 di_height;
199  __u32 __pad2;
200  __u16 __pad3;
201  __be16 di_depth;
202  __be32 di_entries;
203  struct gfs2_inum __pad4;
204  __be64 di_eattr;
205  __be32 di_atime_nsec;
206  __be32 di_mtime_nsec;
207  __be32 di_ctime_nsec;
208  __u8 di_reserved[44];
209};
210#define GFS2_FNAMESIZE 255
211#define GFS2_DIRENT_SIZE(name_len) ((sizeof(struct gfs2_dirent) + (name_len) + 7) & ~7)
212#define GFS2_MIN_DIRENT_SIZE (GFS2_DIRENT_SIZE(1))
213struct gfs2_dirent {
214  struct gfs2_inum de_inum;
215  __be32 de_hash;
216  __be16 de_rec_len;
217  __be16 de_name_len;
218  __be16 de_type;
219  __be16 de_rahead;
220  union {
221    __u8 __pad[12];
222    struct {
223      __u32 de_cookie;
224      __u8 pad3[8];
225    };
226  };
227};
228struct gfs2_leaf {
229  struct gfs2_meta_header lf_header;
230  __be16 lf_depth;
231  __be16 lf_entries;
232  __be32 lf_dirent_format;
233  __be64 lf_next;
234  union {
235    __u8 lf_reserved[64];
236    struct {
237      __be64 lf_inode;
238      __be32 lf_dist;
239      __be32 lf_nsec;
240      __be64 lf_sec;
241      __u8 lf_reserved2[40];
242    };
243  };
244};
245#define GFS2_EA_MAX_NAME_LEN 255
246#define GFS2_EA_MAX_DATA_LEN 65536
247#define GFS2_EATYPE_UNUSED 0
248#define GFS2_EATYPE_USR 1
249#define GFS2_EATYPE_SYS 2
250#define GFS2_EATYPE_SECURITY 3
251#define GFS2_EATYPE_LAST 3
252#define GFS2_EATYPE_VALID(x) ((x) <= GFS2_EATYPE_LAST)
253#define GFS2_EAFLAG_LAST 0x01
254struct gfs2_ea_header {
255  __be32 ea_rec_len;
256  __be32 ea_data_len;
257  __u8 ea_name_len;
258  __u8 ea_type;
259  __u8 ea_flags;
260  __u8 ea_num_ptrs;
261  __u32 __pad;
262};
263#define GFS2_LOG_HEAD_UNMOUNT 0x00000001
264struct gfs2_log_header {
265  struct gfs2_meta_header lh_header;
266  __be64 lh_sequence;
267  __be32 lh_flags;
268  __be32 lh_tail;
269  __be32 lh_blkno;
270  __be32 lh_hash;
271};
272#define GFS2_LOG_DESC_METADATA 300
273#define GFS2_LOG_DESC_REVOKE 301
274#define GFS2_LOG_DESC_JDATA 302
275struct gfs2_log_descriptor {
276  struct gfs2_meta_header ld_header;
277  __be32 ld_type;
278  __be32 ld_length;
279  __be32 ld_data1;
280  __be32 ld_data2;
281  __u8 ld_reserved[32];
282};
283#define GFS2_INUM_QUANTUM 1048576
284struct gfs2_inum_range {
285  __be64 ir_start;
286  __be64 ir_length;
287};
288struct gfs2_statfs_change {
289  __be64 sc_total;
290  __be64 sc_free;
291  __be64 sc_dinodes;
292};
293#define GFS2_QCF_USER 0x00000001
294struct gfs2_quota_change {
295  __be64 qc_change;
296  __be32 qc_flags;
297  __be32 qc_id;
298};
299struct gfs2_quota_lvb {
300  __be32 qb_magic;
301  __u32 __pad;
302  __be64 qb_limit;
303  __be64 qb_warn;
304  __be64 qb_value;
305};
306#endif
307