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;
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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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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_NOSEC (1<<28)
136#define MS_BORN (1<<29)
137#define MS_ACTIVE (1<<30)
138#define MS_NOUSER (1<<31)
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142
143#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION|\
144 MS_LAZYTIME)
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148
149#define MS_MGC_VAL 0xC0ED0000
150#define MS_MGC_MSK 0xffff0000
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154
155struct fsxattr {
156 __u32 fsx_xflags;
157 __u32 fsx_extsize;
158 __u32 fsx_nextents;
159 __u32 fsx_projid;
160 unsigned char fsx_pad[12];
161};
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164
165
166#define FS_XFLAG_REALTIME 0x00000001
167#define FS_XFLAG_PREALLOC 0x00000002
168#define FS_XFLAG_IMMUTABLE 0x00000008
169#define FS_XFLAG_APPEND 0x00000010
170#define FS_XFLAG_SYNC 0x00000020
171#define FS_XFLAG_NOATIME 0x00000040
172#define FS_XFLAG_NODUMP 0x00000080
173#define FS_XFLAG_RTINHERIT 0x00000100
174#define FS_XFLAG_PROJINHERIT 0x00000200
175#define FS_XFLAG_NOSYMLINKS 0x00000400
176#define FS_XFLAG_EXTSIZE 0x00000800
177#define FS_XFLAG_EXTSZINHERIT 0x00001000
178#define FS_XFLAG_NODEFRAG 0x00002000
179#define FS_XFLAG_FILESTREAM 0x00004000
180#define FS_XFLAG_DAX 0x00008000
181#define FS_XFLAG_HASATTR 0x80000000
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185
186#define BLKROSET _IO(0x12,93)
187#define BLKROGET _IO(0x12,94)
188#define BLKRRPART _IO(0x12,95)
189#define BLKGETSIZE _IO(0x12,96)
190#define BLKFLSBUF _IO(0x12,97)
191#define BLKRASET _IO(0x12,98)
192#define BLKRAGET _IO(0x12,99)
193#define BLKFRASET _IO(0x12,100)
194#define BLKFRAGET _IO(0x12,101)
195#define BLKSECTSET _IO(0x12,102)
196#define BLKSECTGET _IO(0x12,103)
197#define BLKSSZGET _IO(0x12,104)
198#if 0
199#define BLKPG _IO(0x12,105)
200
201
202
203#define BLKELVGET _IOR(0x12,106,size_t)
204#define BLKELVSET _IOW(0x12,107,size_t)
205
206
207#endif
208
209#define BLKBSZGET _IOR(0x12,112,size_t)
210#define BLKBSZSET _IOW(0x12,113,size_t)
211#define BLKGETSIZE64 _IOR(0x12,114,size_t)
212#define BLKTRACESETUP _IOWR(0x12,115,struct blk_user_trace_setup)
213#define BLKTRACESTART _IO(0x12,116)
214#define BLKTRACESTOP _IO(0x12,117)
215#define BLKTRACETEARDOWN _IO(0x12,118)
216#define BLKDISCARD _IO(0x12,119)
217#define BLKIOMIN _IO(0x12,120)
218#define BLKIOOPT _IO(0x12,121)
219#define BLKALIGNOFF _IO(0x12,122)
220#define BLKPBSZGET _IO(0x12,123)
221#define BLKDISCARDZEROES _IO(0x12,124)
222#define BLKSECDISCARD _IO(0x12,125)
223#define BLKROTATIONAL _IO(0x12,126)
224#define BLKZEROOUT _IO(0x12,127)
225#define BLKDAXGET _IO(0x12,129)
226
227#define BMAP_IOCTL 1
228#define FIBMAP _IO(0x00,1)
229#define FIGETBSZ _IO(0x00,2)
230#define FIFREEZE _IOWR('X', 119, int)
231#define FITHAW _IOWR('X', 120, int)
232#define FITRIM _IOWR('X', 121, struct fstrim_range)
233#define FICLONE _IOW(0x94, 9, int)
234#define FICLONERANGE _IOW(0x94, 13, struct file_clone_range)
235#define FIDEDUPERANGE _IOWR(0x94, 54, struct file_dedupe_range)
236
237#define FS_IOC_GETFLAGS _IOR('f', 1, long)
238#define FS_IOC_SETFLAGS _IOW('f', 2, long)
239#define FS_IOC_GETVERSION _IOR('v', 1, long)
240#define FS_IOC_SETVERSION _IOW('v', 2, long)
241#define FS_IOC_FIEMAP _IOWR('f', 11, struct fiemap)
242#define FS_IOC32_GETFLAGS _IOR('f', 1, int)
243#define FS_IOC32_SETFLAGS _IOW('f', 2, int)
244#define FS_IOC32_GETVERSION _IOR('v', 1, int)
245#define FS_IOC32_SETVERSION _IOW('v', 2, int)
246#define FS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr)
247#define FS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr)
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252
253#define FS_KEY_DESCRIPTOR_SIZE 8
254
255struct fscrypt_policy {
256 __u8 version;
257 __u8 contents_encryption_mode;
258 __u8 filenames_encryption_mode;
259 __u8 flags;
260 __u8 master_key_descriptor[FS_KEY_DESCRIPTOR_SIZE];
261} __packed;
262
263#define FS_IOC_SET_ENCRYPTION_POLICY _IOR('f', 19, struct fscrypt_policy)
264#define FS_IOC_GET_ENCRYPTION_PWSALT _IOW('f', 20, __u8[16])
265#define FS_IOC_GET_ENCRYPTION_POLICY _IOW('f', 21, struct fscrypt_policy)
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287#define FS_SECRM_FL 0x00000001
288#define FS_UNRM_FL 0x00000002
289#define FS_COMPR_FL 0x00000004
290#define FS_SYNC_FL 0x00000008
291#define FS_IMMUTABLE_FL 0x00000010
292#define FS_APPEND_FL 0x00000020
293#define FS_NODUMP_FL 0x00000040
294#define FS_NOATIME_FL 0x00000080
295
296#define FS_DIRTY_FL 0x00000100
297#define FS_COMPRBLK_FL 0x00000200
298#define FS_NOCOMP_FL 0x00000400
299
300#define FS_ENCRYPT_FL 0x00000800
301#define FS_BTREE_FL 0x00001000
302#define FS_INDEX_FL 0x00001000
303#define FS_IMAGIC_FL 0x00002000
304#define FS_JOURNAL_DATA_FL 0x00004000
305#define FS_NOTAIL_FL 0x00008000
306#define FS_DIRSYNC_FL 0x00010000
307#define FS_TOPDIR_FL 0x00020000
308#define FS_HUGE_FILE_FL 0x00040000
309#define FS_EXTENT_FL 0x00080000
310#define FS_EA_INODE_FL 0x00200000
311#define FS_EOFBLOCKS_FL 0x00400000
312#define FS_NOCOW_FL 0x00800000
313#define FS_INLINE_DATA_FL 0x10000000
314#define FS_PROJINHERIT_FL 0x20000000
315#define FS_RESERVED_FL 0x80000000
316
317#define FS_FL_USER_VISIBLE 0x0003DFFF
318#define FS_FL_USER_MODIFIABLE 0x000380FF
319
320
321#define SYNC_FILE_RANGE_WAIT_BEFORE 1
322#define SYNC_FILE_RANGE_WRITE 2
323#define SYNC_FILE_RANGE_WAIT_AFTER 4
324
325
326#define RWF_HIPRI 0x00000001
327
328#endif
329