xref: /freebsd/sys/compat/linux/linux_file.h (revision 6be3386466ab79a84b48429ae66244f21526d3df)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2007 Roman Divacky
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
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.
15  *
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
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _LINUX_FILE_H_
32 #define	_LINUX_FILE_H_
33 
34 #define	LINUX_AT_FDCWD			-100
35 #define	LINUX_AT_SYMLINK_NOFOLLOW	0x100
36 #define	LINUX_AT_EACCESS		0x200
37 #define	LINUX_AT_REMOVEDIR		0x200
38 #define	LINUX_AT_SYMLINK_FOLLOW		0x400
39 #define	LINUX_AT_EMPTY_PATH		0x1000
40 
41 /*
42  * posix_fadvise advice
43  */
44 #define	LINUX_POSIX_FADV_NORMAL		0
45 #define	LINUX_POSIX_FADV_RANDOM		1
46 #define	LINUX_POSIX_FADV_SEQUENTIAL	2
47 #define	LINUX_POSIX_FADV_WILLNEED	3
48 #define	LINUX_POSIX_FADV_DONTNEED	4
49 #define	LINUX_POSIX_FADV_NOREUSE	5
50 
51 /*
52  * mount flags
53  */
54 #define	LINUX_MS_RDONLY		0x0001
55 #define	LINUX_MS_NOSUID		0x0002
56 #define	LINUX_MS_NODEV		0x0004
57 #define	LINUX_MS_NOEXEC		0x0008
58 #define	LINUX_MS_REMOUNT	0x0020
59 
60 /*
61  * umount2 flags
62  */
63 #define	LINUX_MNT_FORCE		0x0001
64 
65 /*
66  * common open/fcntl flags
67  */
68 #define	LINUX_O_RDONLY		00000000
69 #define	LINUX_O_WRONLY		00000001
70 #define	LINUX_O_RDWR		00000002
71 #define	LINUX_O_ACCMODE		00000003
72 #define	LINUX_O_CREAT		00000100
73 #define	LINUX_O_EXCL		00000200
74 #define	LINUX_O_NOCTTY		00000400
75 #define	LINUX_O_TRUNC		00001000
76 #define	LINUX_O_APPEND		00002000
77 #define	LINUX_O_NONBLOCK	00004000
78 #define	LINUX_O_NDELAY		LINUX_O_NONBLOCK
79 #define	LINUX_O_SYNC		00010000
80 #define	LINUX_O_ASYNC		00020000
81 #define	LINUX_O_DIRECT		00040000	/* Direct disk access hint */
82 #define	LINUX_O_LARGEFILE	00100000
83 #define	LINUX_O_DIRECTORY	00200000	/* Must be a directory */
84 #define	LINUX_O_NOFOLLOW	00400000	/* Do not follow links */
85 #define	LINUX_O_NOATIME		01000000
86 #define	LINUX_O_CLOEXEC		02000000
87 
88 #define	LINUX_F_DUPFD		0
89 #define	LINUX_F_GETFD		1
90 #define	LINUX_F_SETFD		2
91 #define	LINUX_F_GETFL		3
92 #define	LINUX_F_SETFL		4
93 #ifndef LINUX_F_GETLK
94 #define	LINUX_F_GETLK		5
95 #define	LINUX_F_SETLK		6
96 #define	LINUX_F_SETLKW		7
97 #endif
98 #ifndef LINUX_F_SETOWN
99 #define	LINUX_F_SETOWN		8
100 #define	LINUX_F_GETOWN		9
101 #endif
102 #ifndef LINUX_F_SETSIG
103 #define	LINUX_F_SETSIG		10
104 #define	LINUX_F_GETSIG		11
105 #endif
106 #ifndef LINUX_F_SETOWN_EX
107 #define	LINUX_F_SETOWN_EX	15
108 #define	LINUX_F_GETOWN_EX	16
109 #define	LINUX_F_GETOWNER_UIDS	17
110 #endif
111 
112 #define	LINUX_F_SPECIFIC_BASE	1024
113 
114 #define	LINUX_F_SETLEASE	(LINUX_F_SPECIFIC_BASE + 0)
115 #define	LINUX_F_GETLEASE	(LINUX_F_SPECIFIC_BASE + 1)
116 #define	LINUX_F_CANCELLK	(LINUX_F_SPECIFIC_BASE + 5)
117 #define	LINUX_F_DUPFD_CLOEXEC	(LINUX_F_SPECIFIC_BASE + 6)
118 #define	LINUX_F_NOTIFY		(LINUX_F_SPECIFIC_BASE + 2)
119 #define	LINUX_F_SETPIPE_SZ	(LINUX_F_SPECIFIC_BASE + 7)
120 #define	LINUX_F_GETPIPE_SZ	(LINUX_F_SPECIFIC_BASE + 8)
121 
122 #define	LINUX_F_ADD_SEALS	(LINUX_F_SPECIFIC_BASE + 9)
123 #define	LINUX_F_GET_SEALS	(LINUX_F_SPECIFIC_BASE + 10)
124 
125 #define	LINUX_F_GETLKP		36
126 #define	LINUX_F_SETLKP		37
127 #define	LINUX_F_SETLKPW		38
128 
129 #define	LINUX_F_OWNER_TID	0
130 #define	LINUX_F_OWNER_PID	1
131 #define	LINUX_F_OWNER_PGRP	2
132 
133 #ifndef LINUX_F_RDLCK
134 #define	LINUX_F_RDLCK		0
135 #define	LINUX_F_WRLCK		1
136 #define	LINUX_F_UNLCK		2
137 #endif
138 
139 /*
140  * renameat2 flags
141  */
142 #define	LINUX_RENAME_NOREPLACE	0x00000001
143 #define	LINUX_RENAME_EXCHANGE	0x00000002
144 #define	LINUX_RENAME_WHITEOUT	0x00000004
145 
146 /*
147  * sync_file_range flags
148  */
149 #define	LINUX_SYNC_FILE_RANGE_WAIT_BEFORE	1
150 #define	LINUX_SYNC_FILE_RANGE_WRITE		2
151 #define	LINUX_SYNC_FILE_RANGE_WAIT_AFTER	4
152 
153 #define	LINUX_F_SEAL_SEAL	0x0001
154 #define	LINUX_F_SEAL_SHRINK	0x0002
155 #define	LINUX_F_SEAL_GROW	0x0004
156 #define	LINUX_F_SEAL_WRITE	0x0008
157 
158 #define	LINUX_MFD_CLOEXEC	0x0001
159 #define	LINUX_MFD_ALLOW_SEALING	0x0002
160 #define	LINUX_MFD_HUGETLB	0x0004
161 
162 #define	LINUX_HUGETLB_FLAG_ENCODE_SHIFT	26
163 #define	LINUX_HUGETLB_FLAG_ENCODE_MASK	0x3f
164 
165 #define LINUX_HUGETLB_FLAG_ENCODE_64KB	(16 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
166 #define LINUX_HUGETLB_FLAG_ENCODE_512KB	(19 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
167 #define LINUX_HUGETLB_FLAG_ENCODE_1MB	(20 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
168 #define LINUX_HUGETLB_FLAG_ENCODE_2MB	(21 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
169 #define LINUX_HUGETLB_FLAG_ENCODE_8MB	(23 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
170 #define LINUX_HUGETLB_FLAG_ENCODE_16MB	(24 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
171 #define LINUX_HUGETLB_FLAG_ENCODE_32MB	(25 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
172 #define LINUX_HUGETLB_FLAG_ENCODE_256MB	(28 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
173 #define LINUX_HUGETLB_FLAG_ENCODE_512MB	(29 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
174 #define LINUX_HUGETLB_FLAG_ENCODE_1GB	(30 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
175 #define LINUX_HUGETLB_FLAG_ENCODE_2GB	(31 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
176 #define LINUX_HUGETLB_FLAG_ENCODE_16GB	(34U << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
177 
178 struct l_file_handle {
179 	l_uint handle_bytes;
180 	l_int handle_type;
181 	unsigned char f_handle[0];
182 };
183 
184 #endif	/* !_LINUX_FILE_H_ */
185