2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2007 Roman Divacky
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _LINUX_FILE_H_
30 #define _LINUX_FILE_H_
32 #define LINUX_AT_FDCWD -100
33 #define LINUX_AT_SYMLINK_NOFOLLOW 0x100
34 #define LINUX_AT_EACCESS 0x200
35 #define LINUX_AT_REMOVEDIR 0x200
36 #define LINUX_AT_SYMLINK_FOLLOW 0x400
37 #define LINUX_AT_NO_AUTOMOUNT 0x800
39 * Specific to Linux AT_NO_AUTOMOUNT flag tells the kernel to
40 * not automount the terminal component of pathname if it is a
41 * directory that is an automount point. As FreeBSD does not
42 * have such facility (automount), we can simply ignore this flag.
44 #define LINUX_AT_EMPTY_PATH 0x1000
47 * posix_fadvise advice
49 #define LINUX_POSIX_FADV_NORMAL 0
50 #define LINUX_POSIX_FADV_RANDOM 1
51 #define LINUX_POSIX_FADV_SEQUENTIAL 2
52 #define LINUX_POSIX_FADV_WILLNEED 3
53 #define LINUX_POSIX_FADV_DONTNEED 4
54 #define LINUX_POSIX_FADV_NOREUSE 5
59 #define LINUX_MS_RDONLY 0x0001
60 #define LINUX_MS_NOSUID 0x0002
61 #define LINUX_MS_NODEV 0x0004
62 #define LINUX_MS_NOEXEC 0x0008
63 #define LINUX_MS_REMOUNT 0x0020
68 #define LINUX_MNT_FORCE 0x0001
71 * common open/fcntl flags
73 #define LINUX_O_RDONLY 000000000
74 #define LINUX_O_WRONLY 000000001
75 #define LINUX_O_RDWR 000000002
76 #define LINUX_O_ACCMODE 000000003
77 #define LINUX_O_CREAT 000000100
78 #define LINUX_O_EXCL 000000200
79 #define LINUX_O_NOCTTY 000000400
80 #define LINUX_O_TRUNC 000001000
81 #define LINUX_O_APPEND 000002000
82 #define LINUX_O_NONBLOCK 000004000
83 #define LINUX_O_NDELAY LINUX_O_NONBLOCK
84 #define LINUX_O_SYNC 000010000
85 #define LINUX_O_ASYNC 000020000
86 #ifndef LINUX_O_DIRECT
87 #define LINUX_O_DIRECT 000040000 /* Direct disk access hint */
89 #ifndef LINUX_O_LARGEFILE
90 #define LINUX_O_LARGEFILE 000100000
92 #ifndef LINUX_O_DIRECTORY
93 #define LINUX_O_DIRECTORY 000200000 /* Must be a directory */
95 #ifndef LINUX_O_NOFOLLOW
96 #define LINUX_O_NOFOLLOW 000400000 /* Do not follow links */
98 #define LINUX_O_NOATIME 001000000
99 #define LINUX_O_CLOEXEC 002000000
100 #define LINUX_O_PATH 010000000
102 #define LINUX_F_DUPFD 0
103 #define LINUX_F_GETFD 1
104 #define LINUX_F_SETFD 2
105 #define LINUX_F_GETFL 3
106 #define LINUX_F_SETFL 4
107 #ifndef LINUX_F_GETLK
108 #define LINUX_F_GETLK 5
109 #define LINUX_F_SETLK 6
110 #define LINUX_F_SETLKW 7
112 #ifndef LINUX_F_SETOWN
113 #define LINUX_F_SETOWN 8
114 #define LINUX_F_GETOWN 9
116 #ifndef LINUX_F_SETSIG
117 #define LINUX_F_SETSIG 10
118 #define LINUX_F_GETSIG 11
120 #ifndef LINUX_F_SETOWN_EX
121 #define LINUX_F_SETOWN_EX 15
122 #define LINUX_F_GETOWN_EX 16
123 #define LINUX_F_GETOWNER_UIDS 17
126 #define LINUX_F_SPECIFIC_BASE 1024
128 #define LINUX_F_SETLEASE (LINUX_F_SPECIFIC_BASE + 0)
129 #define LINUX_F_GETLEASE (LINUX_F_SPECIFIC_BASE + 1)
130 #define LINUX_F_CANCELLK (LINUX_F_SPECIFIC_BASE + 5)
131 #define LINUX_F_DUPFD_CLOEXEC (LINUX_F_SPECIFIC_BASE + 6)
132 #define LINUX_F_NOTIFY (LINUX_F_SPECIFIC_BASE + 2)
133 #define LINUX_F_SETPIPE_SZ (LINUX_F_SPECIFIC_BASE + 7)
134 #define LINUX_F_GETPIPE_SZ (LINUX_F_SPECIFIC_BASE + 8)
136 #define LINUX_F_ADD_SEALS (LINUX_F_SPECIFIC_BASE + 9)
137 #define LINUX_F_GET_SEALS (LINUX_F_SPECIFIC_BASE + 10)
139 #define LINUX_F_GETLKP 36
140 #define LINUX_F_SETLKP 37
141 #define LINUX_F_SETLKPW 38
143 #define LINUX_F_OWNER_TID 0
144 #define LINUX_F_OWNER_PID 1
145 #define LINUX_F_OWNER_PGRP 2
147 #ifndef LINUX_F_RDLCK
148 #define LINUX_F_RDLCK 0
149 #define LINUX_F_WRLCK 1
150 #define LINUX_F_UNLCK 2
156 #define LINUX_RENAME_NOREPLACE 0x00000001
157 #define LINUX_RENAME_EXCHANGE 0x00000002
158 #define LINUX_RENAME_WHITEOUT 0x00000004
161 * sync_file_range flags
163 #define LINUX_SYNC_FILE_RANGE_WAIT_BEFORE 1
164 #define LINUX_SYNC_FILE_RANGE_WRITE 2
165 #define LINUX_SYNC_FILE_RANGE_WAIT_AFTER 4
167 #define LINUX_F_SEAL_SEAL 0x0001
168 #define LINUX_F_SEAL_SHRINK 0x0002
169 #define LINUX_F_SEAL_GROW 0x0004
170 #define LINUX_F_SEAL_WRITE 0x0008
172 #define LINUX_MFD_CLOEXEC 0x0001
173 #define LINUX_MFD_ALLOW_SEALING 0x0002
174 #define LINUX_MFD_HUGETLB 0x0004
176 #define LINUX_HUGETLB_FLAG_ENCODE_SHIFT 26
177 #define LINUX_HUGETLB_FLAG_ENCODE_MASK 0x3f
179 #define LINUX_HUGETLB_FLAG_ENCODE_64KB (16 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
180 #define LINUX_HUGETLB_FLAG_ENCODE_512KB (19 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
181 #define LINUX_HUGETLB_FLAG_ENCODE_1MB (20 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
182 #define LINUX_HUGETLB_FLAG_ENCODE_2MB (21 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
183 #define LINUX_HUGETLB_FLAG_ENCODE_8MB (23 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
184 #define LINUX_HUGETLB_FLAG_ENCODE_16MB (24 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
185 #define LINUX_HUGETLB_FLAG_ENCODE_32MB (25 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
186 #define LINUX_HUGETLB_FLAG_ENCODE_256MB (28 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
187 #define LINUX_HUGETLB_FLAG_ENCODE_512MB (29 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
188 #define LINUX_HUGETLB_FLAG_ENCODE_1GB (30 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
189 #define LINUX_HUGETLB_FLAG_ENCODE_2GB (31 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
190 #define LINUX_HUGETLB_FLAG_ENCODE_16GB (34U << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
193 struct l_file_handle {
196 unsigned char f_handle[0];
199 int linux_enobufs2eagain(struct thread *, int, int);
203 * Look at linux_close_range() for an explanation.
205 * #define LINUX_CLOSE_RANGE_UNSHARE (1U << 1)
207 #define LINUX_CLOSE_RANGE_CLOEXEC (1U << 2)
209 #endif /* !_LINUX_FILE_H_ */