1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 29 #ifndef _LINUX_FILE_H_ 30 #define _LINUX_FILE_H_ 31 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 38 /* 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. 43 */ 44 #define LINUX_AT_EMPTY_PATH 0x1000 45 46 /* 47 * posix_fadvise advice 48 */ 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 55 56 /* 57 * mount flags 58 */ 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 64 65 /* 66 * umount2 flags 67 */ 68 #define LINUX_MNT_FORCE 0x0001 69 70 /* 71 * common open/fcntl flags 72 */ 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 */ 88 #endif 89 #ifndef LINUX_O_LARGEFILE 90 #define LINUX_O_LARGEFILE 000100000 91 #endif 92 #ifndef LINUX_O_DIRECTORY 93 #define LINUX_O_DIRECTORY 000200000 /* Must be a directory */ 94 #endif 95 #ifndef LINUX_O_NOFOLLOW 96 #define LINUX_O_NOFOLLOW 000400000 /* Do not follow links */ 97 #endif 98 #define LINUX_O_NOATIME 001000000 99 #define LINUX_O_CLOEXEC 002000000 100 #define LINUX_O_PATH 010000000 101 102 #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 7 111 #endif 112 #ifndef LINUX_F_SETOWN 113 #define LINUX_F_SETOWN 8 114 #define LINUX_F_GETOWN 9 115 #endif 116 #ifndef LINUX_F_SETSIG 117 #define LINUX_F_SETSIG 10 118 #define LINUX_F_GETSIG 11 119 #endif 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 17 124 #endif 125 126 #define LINUX_F_SPECIFIC_BASE 1024 127 128 #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) 135 136 #define LINUX_F_ADD_SEALS (LINUX_F_SPECIFIC_BASE + 9) 137 #define LINUX_F_GET_SEALS (LINUX_F_SPECIFIC_BASE + 10) 138 139 #define LINUX_F_GETLKP 36 140 #define LINUX_F_SETLKP 37 141 #define LINUX_F_SETLKPW 38 142 143 #define LINUX_F_OWNER_TID 0 144 #define LINUX_F_OWNER_PID 1 145 #define LINUX_F_OWNER_PGRP 2 146 147 #ifndef LINUX_F_RDLCK 148 #define LINUX_F_RDLCK 0 149 #define LINUX_F_WRLCK 1 150 #define LINUX_F_UNLCK 2 151 #endif 152 153 /* 154 * renameat2 flags 155 */ 156 #define LINUX_RENAME_NOREPLACE 0x00000001 157 #define LINUX_RENAME_EXCHANGE 0x00000002 158 #define LINUX_RENAME_WHITEOUT 0x00000004 159 160 /* 161 * sync_file_range flags 162 */ 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 4 166 167 #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 171 172 #define LINUX_MFD_CLOEXEC 0x0001 173 #define LINUX_MFD_ALLOW_SEALING 0x0002 174 #define LINUX_MFD_HUGETLB 0x0004 175 176 #define LINUX_HUGETLB_FLAG_ENCODE_SHIFT 26 177 #define LINUX_HUGETLB_FLAG_ENCODE_MASK 0x3f 178 179 #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) 191 192 struct l_file_handle { 193 l_uint handle_bytes; 194 l_int handle_type; 195 unsigned char f_handle[0]; 196 }; 197 198 /* 199 * Look at linux_close_range() for an explanation. 200 * 201 * #define LINUX_CLOSE_RANGE_UNSHARE (1U << 1) 202 */ 203 #define LINUX_CLOSE_RANGE_CLOEXEC (1U << 2) 204 205 #endif /* !_LINUX_FILE_H_ */ 206