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 * $FreeBSD$ 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_NO_AUTOMOUNT 0x800 40 /* 41 * Specific to Linux AT_NO_AUTOMOUNT flag tells the kernel to 42 * not automount the terminal component of pathname if it is a 43 * directory that is an automount point. As FreeBSD does not 44 * have such facility (automount), we can simply ignore this flag. 45 */ 46 #define LINUX_AT_EMPTY_PATH 0x1000 47 48 /* 49 * posix_fadvise advice 50 */ 51 #define LINUX_POSIX_FADV_NORMAL 0 52 #define LINUX_POSIX_FADV_RANDOM 1 53 #define LINUX_POSIX_FADV_SEQUENTIAL 2 54 #define LINUX_POSIX_FADV_WILLNEED 3 55 #define LINUX_POSIX_FADV_DONTNEED 4 56 #define LINUX_POSIX_FADV_NOREUSE 5 57 58 /* 59 * mount flags 60 */ 61 #define LINUX_MS_RDONLY 0x0001 62 #define LINUX_MS_NOSUID 0x0002 63 #define LINUX_MS_NODEV 0x0004 64 #define LINUX_MS_NOEXEC 0x0008 65 #define LINUX_MS_REMOUNT 0x0020 66 67 /* 68 * umount2 flags 69 */ 70 #define LINUX_MNT_FORCE 0x0001 71 72 /* 73 * common open/fcntl flags 74 */ 75 #define LINUX_O_RDONLY 000000000 76 #define LINUX_O_WRONLY 000000001 77 #define LINUX_O_RDWR 000000002 78 #define LINUX_O_ACCMODE 000000003 79 #define LINUX_O_CREAT 000000100 80 #define LINUX_O_EXCL 000000200 81 #define LINUX_O_NOCTTY 000000400 82 #define LINUX_O_TRUNC 000001000 83 #define LINUX_O_APPEND 000002000 84 #define LINUX_O_NONBLOCK 000004000 85 #define LINUX_O_NDELAY LINUX_O_NONBLOCK 86 #define LINUX_O_SYNC 000010000 87 #define LINUX_O_ASYNC 000020000 88 #ifndef LINUX_O_DIRECT 89 #define LINUX_O_DIRECT 000040000 /* Direct disk access hint */ 90 #endif 91 #ifndef LINUX_O_LARGEFILE 92 #define LINUX_O_LARGEFILE 000100000 93 #endif 94 #ifndef LINUX_O_DIRECTORY 95 #define LINUX_O_DIRECTORY 000200000 /* Must be a directory */ 96 #endif 97 #ifndef LINUX_O_NOFOLLOW 98 #define LINUX_O_NOFOLLOW 000400000 /* Do not follow links */ 99 #endif 100 #define LINUX_O_NOATIME 001000000 101 #define LINUX_O_CLOEXEC 002000000 102 #define LINUX_O_PATH 010000000 103 104 #define LINUX_F_DUPFD 0 105 #define LINUX_F_GETFD 1 106 #define LINUX_F_SETFD 2 107 #define LINUX_F_GETFL 3 108 #define LINUX_F_SETFL 4 109 #ifndef LINUX_F_GETLK 110 #define LINUX_F_GETLK 5 111 #define LINUX_F_SETLK 6 112 #define LINUX_F_SETLKW 7 113 #endif 114 #ifndef LINUX_F_SETOWN 115 #define LINUX_F_SETOWN 8 116 #define LINUX_F_GETOWN 9 117 #endif 118 #ifndef LINUX_F_SETSIG 119 #define LINUX_F_SETSIG 10 120 #define LINUX_F_GETSIG 11 121 #endif 122 #ifndef LINUX_F_SETOWN_EX 123 #define LINUX_F_SETOWN_EX 15 124 #define LINUX_F_GETOWN_EX 16 125 #define LINUX_F_GETOWNER_UIDS 17 126 #endif 127 128 #define LINUX_F_SPECIFIC_BASE 1024 129 130 #define LINUX_F_SETLEASE (LINUX_F_SPECIFIC_BASE + 0) 131 #define LINUX_F_GETLEASE (LINUX_F_SPECIFIC_BASE + 1) 132 #define LINUX_F_CANCELLK (LINUX_F_SPECIFIC_BASE + 5) 133 #define LINUX_F_DUPFD_CLOEXEC (LINUX_F_SPECIFIC_BASE + 6) 134 #define LINUX_F_NOTIFY (LINUX_F_SPECIFIC_BASE + 2) 135 #define LINUX_F_SETPIPE_SZ (LINUX_F_SPECIFIC_BASE + 7) 136 #define LINUX_F_GETPIPE_SZ (LINUX_F_SPECIFIC_BASE + 8) 137 138 #define LINUX_F_ADD_SEALS (LINUX_F_SPECIFIC_BASE + 9) 139 #define LINUX_F_GET_SEALS (LINUX_F_SPECIFIC_BASE + 10) 140 141 #define LINUX_F_GETLKP 36 142 #define LINUX_F_SETLKP 37 143 #define LINUX_F_SETLKPW 38 144 145 #define LINUX_F_OWNER_TID 0 146 #define LINUX_F_OWNER_PID 1 147 #define LINUX_F_OWNER_PGRP 2 148 149 #ifndef LINUX_F_RDLCK 150 #define LINUX_F_RDLCK 0 151 #define LINUX_F_WRLCK 1 152 #define LINUX_F_UNLCK 2 153 #endif 154 155 /* 156 * renameat2 flags 157 */ 158 #define LINUX_RENAME_NOREPLACE 0x00000001 159 #define LINUX_RENAME_EXCHANGE 0x00000002 160 #define LINUX_RENAME_WHITEOUT 0x00000004 161 162 /* 163 * sync_file_range flags 164 */ 165 #define LINUX_SYNC_FILE_RANGE_WAIT_BEFORE 1 166 #define LINUX_SYNC_FILE_RANGE_WRITE 2 167 #define LINUX_SYNC_FILE_RANGE_WAIT_AFTER 4 168 169 #define LINUX_F_SEAL_SEAL 0x0001 170 #define LINUX_F_SEAL_SHRINK 0x0002 171 #define LINUX_F_SEAL_GROW 0x0004 172 #define LINUX_F_SEAL_WRITE 0x0008 173 174 #define LINUX_MFD_CLOEXEC 0x0001 175 #define LINUX_MFD_ALLOW_SEALING 0x0002 176 #define LINUX_MFD_HUGETLB 0x0004 177 178 #define LINUX_HUGETLB_FLAG_ENCODE_SHIFT 26 179 #define LINUX_HUGETLB_FLAG_ENCODE_MASK 0x3f 180 181 #define LINUX_HUGETLB_FLAG_ENCODE_64KB (16 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT) 182 #define LINUX_HUGETLB_FLAG_ENCODE_512KB (19 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT) 183 #define LINUX_HUGETLB_FLAG_ENCODE_1MB (20 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT) 184 #define LINUX_HUGETLB_FLAG_ENCODE_2MB (21 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT) 185 #define LINUX_HUGETLB_FLAG_ENCODE_8MB (23 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT) 186 #define LINUX_HUGETLB_FLAG_ENCODE_16MB (24 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT) 187 #define LINUX_HUGETLB_FLAG_ENCODE_32MB (25 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT) 188 #define LINUX_HUGETLB_FLAG_ENCODE_256MB (28 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT) 189 #define LINUX_HUGETLB_FLAG_ENCODE_512MB (29 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT) 190 #define LINUX_HUGETLB_FLAG_ENCODE_1GB (30 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT) 191 #define LINUX_HUGETLB_FLAG_ENCODE_2GB (31 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT) 192 #define LINUX_HUGETLB_FLAG_ENCODE_16GB (34U << LINUX_HUGETLB_FLAG_ENCODE_SHIFT) 193 194 struct l_file_handle { 195 l_uint handle_bytes; 196 l_int handle_type; 197 unsigned char f_handle[0]; 198 }; 199 200 /* 201 * Look at linux_close_range() for an explanation. 202 * 203 * #define LINUX_CLOSE_RANGE_UNSHARE (1U << 1) 204 */ 205 #define LINUX_CLOSE_RANGE_CLOEXEC (1U << 2) 206 207 #endif /* !_LINUX_FILE_H_ */ 208