The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/compat/linux/linux_file.h

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    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_ */

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