1#ifndef _UAPI_LINUX_FS_H
2#define _UAPI_LINUX_FS_H
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12#include <linux/limits.h>
13#include <linux/ioctl.h>
14#include <linux/types.h>
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26
27#undef NR_OPEN
28#define INR_OPEN_CUR 1024
29#define INR_OPEN_MAX 4096
30
31#define BLOCK_SIZE_BITS 10
32#define BLOCK_SIZE (1<<BLOCK_SIZE_BITS)
33
34#define SEEK_SET 0
35#define SEEK_CUR 1
36#define SEEK_END 2
37#define SEEK_DATA 3
38#define SEEK_HOLE 4
39#define SEEK_MAX SEEK_HOLE
40
41#define RENAME_NOREPLACE (1 << 0)
42#define RENAME_EXCHANGE (1 << 1)
43#define RENAME_WHITEOUT (1 << 2)
44
45struct file_clone_range {
46 __s64 src_fd;
47 __u64 src_offset;
48 __u64 src_length;
49 __u64 dest_offset;
50};
51
52struct fstrim_range {
53 __u64 start;
54 __u64 len;
55 __u64 minlen;
56};
57
58
59#define FILE_DEDUPE_RANGE_SAME 0
60#define FILE_DEDUPE_RANGE_DIFFERS 1
61
62
63struct file_dedupe_range_info {
64 __s64 dest_fd;
65 __u64 dest_offset;
66 __u64 bytes_deduped;
67
68
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70
71
72
73 __s32 status;
74 __u32 reserved;
75};
76
77
78struct file_dedupe_range {
79 __u64 src_offset;
80 __u64 src_length;
81 __u16 dest_count;
82 __u16 reserved1;
83 __u32 reserved2;
84 struct file_dedupe_range_info info[0];
85};
86
87
88struct files_stat_struct {
89 unsigned long nr_files;
90 unsigned long nr_free_files;
91 unsigned long max_files;
92};
93
94struct inodes_stat_t {
95 long nr_inodes;
96 long nr_unused;
97 long dummy[5];
98};
99
100
101#define NR_FILE 8192
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103
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105
106
107#define MS_RDONLY 1
108#define MS_NOSUID 2
109#define MS_NODEV 4
110#define MS_NOEXEC 8
111#define MS_SYNCHRONOUS 16
112#define MS_REMOUNT 32
113#define MS_MANDLOCK 64
114#define MS_DIRSYNC 128
115#define MS_NOATIME 1024
116#define MS_NODIRATIME 2048
117#define MS_BIND 4096
118#define MS_MOVE 8192
119#define MS_REC 16384
120#define MS_VERBOSE 32768
121
122#define MS_SILENT 32768
123#define MS_POSIXACL (1<<16)
124#define MS_UNBINDABLE (1<<17)
125#define MS_PRIVATE (1<<18)
126#define MS_SLAVE (1<<19)
127#define MS_SHARED (1<<20)
128#define MS_RELATIME (1<<21)
129#define MS_KERNMOUNT (1<<22)
130#define MS_I_VERSION (1<<23)
131#define MS_STRICTATIME (1<<24)
132#define MS_LAZYTIME (1<<25)
133
134
135#define MS_SUBMOUNT (1<<26)
136#define MS_NOREMOTELOCK (1<<27)
137#define MS_NOSEC (1<<28)
138#define MS_BORN (1<<29)
139#define MS_ACTIVE (1<<30)
140#define MS_NOUSER (1<<31)
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142
143
144
145#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION|\
146 MS_LAZYTIME)
147
148
149
150
151#define MS_MGC_VAL 0xC0ED0000
152#define MS_MGC_MSK 0xffff0000
153
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155
156
157struct fsxattr {
158 __u32 fsx_xflags;
159 __u32 fsx_extsize;
160 __u32 fsx_nextents;
161 __u32 fsx_projid;
162 __u32 fsx_cowextsize;
163 unsigned char fsx_pad[8];
164};
165
166
167
168
169#define FS_XFLAG_REALTIME 0x00000001
170#define FS_XFLAG_PREALLOC 0x00000002
171#define FS_XFLAG_IMMUTABLE 0x00000008
172#define FS_XFLAG_APPEND 0x00000010
173#define FS_XFLAG_SYNC 0x00000020
174#define FS_XFLAG_NOATIME 0x00000040
175#define FS_XFLAG_NODUMP 0x00000080
176#define FS_XFLAG_RTINHERIT 0x00000100
177#define FS_XFLAG_PROJINHERIT 0x00000200
178#define FS_XFLAG_NOSYMLINKS 0x00000400
179#define FS_XFLAG_EXTSIZE 0x00000800
180#define FS_XFLAG_EXTSZINHERIT 0x00001000
181#define FS_XFLAG_NODEFRAG 0x00002000
182#define FS_XFLAG_FILESTREAM 0x00004000
183#define FS_XFLAG_DAX 0x00008000
184#define FS_XFLAG_COWEXTSIZE 0x00010000
185#define FS_XFLAG_HASATTR 0x80000000
186
187
188
189
190#define BLKROSET _IO(0x12,93)
191#define BLKROGET _IO(0x12,94)
192#define BLKRRPART _IO(0x12,95)
193#define BLKGETSIZE _IO(0x12,96)
194#define BLKFLSBUF _IO(0x12,97)
195#define BLKRASET _IO(0x12,98)
196#define BLKRAGET _IO(0x12,99)
197#define BLKFRASET _IO(0x12,100)
198#define BLKFRAGET _IO(0x12,101)
199#define BLKSECTSET _IO(0x12,102)
200#define BLKSECTGET _IO(0x12,103)
201#define BLKSSZGET _IO(0x12,104)
202#if 0
203#define BLKPG _IO(0x12,105)
204
205
206
207#define BLKELVGET _IOR(0x12,106,size_t)
208#define BLKELVSET _IOW(0x12,107,size_t)
209
210
211#endif
212
213#define BLKBSZGET _IOR(0x12,112,size_t)
214#define BLKBSZSET _IOW(0x12,113,size_t)
215#define BLKGETSIZE64 _IOR(0x12,114,size_t)
216#define BLKTRACESETUP _IOWR(0x12,115,struct blk_user_trace_setup)
217#define BLKTRACESTART _IO(0x12,116)
218#define BLKTRACESTOP _IO(0x12,117)
219#define BLKTRACETEARDOWN _IO(0x12,118)
220#define BLKDISCARD _IO(0x12,119)
221#define BLKIOMIN _IO(0x12,120)
222#define BLKIOOPT _IO(0x12,121)
223#define BLKALIGNOFF _IO(0x12,122)
224#define BLKPBSZGET _IO(0x12,123)
225#define BLKDISCARDZEROES _IO(0x12,124)
226#define BLKSECDISCARD _IO(0x12,125)
227#define BLKROTATIONAL _IO(0x12,126)
228#define BLKZEROOUT _IO(0x12,127)
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233
234#define BMAP_IOCTL 1
235#define FIBMAP _IO(0x00,1)
236#define FIGETBSZ _IO(0x00,2)
237#define FIFREEZE _IOWR('X', 119, int)
238#define FITHAW _IOWR('X', 120, int)
239#define FITRIM _IOWR('X', 121, struct fstrim_range)
240#define FICLONE _IOW(0x94, 9, int)
241#define FICLONERANGE _IOW(0x94, 13, struct file_clone_range)
242#define FIDEDUPERANGE _IOWR(0x94, 54, struct file_dedupe_range)
243
244#define FS_IOC_GETFLAGS _IOR('f', 1, long)
245#define FS_IOC_SETFLAGS _IOW('f', 2, long)
246#define FS_IOC_GETVERSION _IOR('v', 1, long)
247#define FS_IOC_SETVERSION _IOW('v', 2, long)
248#define FS_IOC_FIEMAP _IOWR('f', 11, struct fiemap)
249#define FS_IOC32_GETFLAGS _IOR('f', 1, int)
250#define FS_IOC32_SETFLAGS _IOW('f', 2, int)
251#define FS_IOC32_GETVERSION _IOR('v', 1, int)
252#define FS_IOC32_SETVERSION _IOW('v', 2, int)
253#define FS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr)
254#define FS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr)
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258
259
260#define FS_KEY_DESCRIPTOR_SIZE 8
261
262#define FS_POLICY_FLAGS_PAD_4 0x00
263#define FS_POLICY_FLAGS_PAD_8 0x01
264#define FS_POLICY_FLAGS_PAD_16 0x02
265#define FS_POLICY_FLAGS_PAD_32 0x03
266#define FS_POLICY_FLAGS_PAD_MASK 0x03
267#define FS_POLICY_FLAGS_VALID 0x03
268
269
270#define FS_ENCRYPTION_MODE_INVALID 0
271#define FS_ENCRYPTION_MODE_AES_256_XTS 1
272#define FS_ENCRYPTION_MODE_AES_256_GCM 2
273#define FS_ENCRYPTION_MODE_AES_256_CBC 3
274#define FS_ENCRYPTION_MODE_AES_256_CTS 4
275#define FS_ENCRYPTION_MODE_AES_128_CBC 5
276#define FS_ENCRYPTION_MODE_AES_128_CTS 6
277
278struct fscrypt_policy {
279 __u8 version;
280 __u8 contents_encryption_mode;
281 __u8 filenames_encryption_mode;
282 __u8 flags;
283 __u8 master_key_descriptor[FS_KEY_DESCRIPTOR_SIZE];
284};
285
286#define FS_IOC_SET_ENCRYPTION_POLICY _IOR('f', 19, struct fscrypt_policy)
287#define FS_IOC_GET_ENCRYPTION_PWSALT _IOW('f', 20, __u8[16])
288#define FS_IOC_GET_ENCRYPTION_POLICY _IOW('f', 21, struct fscrypt_policy)
289
290
291#define FS_KEY_DESC_PREFIX "fscrypt:"
292#define FS_KEY_DESC_PREFIX_SIZE 8
293
294
295#define FS_MAX_KEY_SIZE 64
296
297struct fscrypt_key {
298 __u32 mode;
299 __u8 raw[FS_MAX_KEY_SIZE];
300 __u32 size;
301};
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323#define FS_SECRM_FL 0x00000001
324#define FS_UNRM_FL 0x00000002
325#define FS_COMPR_FL 0x00000004
326#define FS_SYNC_FL 0x00000008
327#define FS_IMMUTABLE_FL 0x00000010
328#define FS_APPEND_FL 0x00000020
329#define FS_NODUMP_FL 0x00000040
330#define FS_NOATIME_FL 0x00000080
331
332#define FS_DIRTY_FL 0x00000100
333#define FS_COMPRBLK_FL 0x00000200
334#define FS_NOCOMP_FL 0x00000400
335
336#define FS_ENCRYPT_FL 0x00000800
337#define FS_BTREE_FL 0x00001000
338#define FS_INDEX_FL 0x00001000
339#define FS_IMAGIC_FL 0x00002000
340#define FS_JOURNAL_DATA_FL 0x00004000
341#define FS_NOTAIL_FL 0x00008000
342#define FS_DIRSYNC_FL 0x00010000
343#define FS_TOPDIR_FL 0x00020000
344#define FS_HUGE_FILE_FL 0x00040000
345#define FS_EXTENT_FL 0x00080000
346#define FS_EA_INODE_FL 0x00200000
347#define FS_EOFBLOCKS_FL 0x00400000
348#define FS_NOCOW_FL 0x00800000
349#define FS_INLINE_DATA_FL 0x10000000
350#define FS_PROJINHERIT_FL 0x20000000
351#define FS_RESERVED_FL 0x80000000
352
353#define FS_FL_USER_VISIBLE 0x0003DFFF
354#define FS_FL_USER_MODIFIABLE 0x000380FF
355
356
357#define SYNC_FILE_RANGE_WAIT_BEFORE 1
358#define SYNC_FILE_RANGE_WRITE 2
359#define SYNC_FILE_RANGE_WAIT_AFTER 4
360
361
362#define RWF_HIPRI 0x00000001
363#define RWF_DSYNC 0x00000002
364#define RWF_SYNC 0x00000004
365#define RWF_NOWAIT 0x00000008
366
367#define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC |\
368 RWF_NOWAIT)
369
370#endif
371