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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2007 Roman Divacky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _LINUX_FILE_H_
#define _LINUX_FILE_H_
#define LINUX_AT_FDCWD -100
#define LINUX_AT_SYMLINK_NOFOLLOW 0x100
#define LINUX_AT_EACCESS 0x200
#define LINUX_AT_REMOVEDIR 0x200
#define LINUX_AT_SYMLINK_FOLLOW 0x400
#define LINUX_AT_NO_AUTOMOUNT 0x800
/*
* Specific to Linux AT_NO_AUTOMOUNT flag tells the kernel to
* not automount the terminal component of pathname if it is a
* directory that is an automount point. As FreeBSD does not
* have such facility (automount), we can simply ignore this flag.
*/
#define LINUX_AT_EMPTY_PATH 0x1000
/*
* posix_fadvise advice
*/
#define LINUX_POSIX_FADV_NORMAL 0
#define LINUX_POSIX_FADV_RANDOM 1
#define LINUX_POSIX_FADV_SEQUENTIAL 2
#define LINUX_POSIX_FADV_WILLNEED 3
#define LINUX_POSIX_FADV_DONTNEED 4
#define LINUX_POSIX_FADV_NOREUSE 5
/*
* mount flags
*/
#define LINUX_MS_RDONLY 0x0001
#define LINUX_MS_NOSUID 0x0002
#define LINUX_MS_NODEV 0x0004
#define LINUX_MS_NOEXEC 0x0008
#define LINUX_MS_REMOUNT 0x0020
/*
* umount2 flags
*/
#define LINUX_MNT_FORCE 0x0001
/*
* common open/fcntl flags
*/
#define LINUX_O_RDONLY 000000000
#define LINUX_O_WRONLY 000000001
#define LINUX_O_RDWR 000000002
#define LINUX_O_ACCMODE 000000003
#define LINUX_O_CREAT 000000100
#define LINUX_O_EXCL 000000200
#define LINUX_O_NOCTTY 000000400
#define LINUX_O_TRUNC 000001000
#define LINUX_O_APPEND 000002000
#define LINUX_O_NONBLOCK 000004000
#define LINUX_O_NDELAY LINUX_O_NONBLOCK
#define LINUX_O_SYNC 000010000
#define LINUX_O_ASYNC 000020000
#ifndef LINUX_O_DIRECT
#define LINUX_O_DIRECT 000040000 /* Direct disk access hint */
#endif
#ifndef LINUX_O_LARGEFILE
#define LINUX_O_LARGEFILE 000100000
#endif
#ifndef LINUX_O_DIRECTORY
#define LINUX_O_DIRECTORY 000200000 /* Must be a directory */
#endif
#ifndef LINUX_O_NOFOLLOW
#define LINUX_O_NOFOLLOW 000400000 /* Do not follow links */
#endif
#define LINUX_O_NOATIME 001000000
#define LINUX_O_CLOEXEC 002000000
#define LINUX_O_PATH 010000000
#define LINUX_F_DUPFD 0
#define LINUX_F_GETFD 1
#define LINUX_F_SETFD 2
#define LINUX_F_GETFL 3
#define LINUX_F_SETFL 4
#ifndef LINUX_F_GETLK
#define LINUX_F_GETLK 5
#define LINUX_F_SETLK 6
#define LINUX_F_SETLKW 7
#endif
#ifndef LINUX_F_SETOWN
#define LINUX_F_SETOWN 8
#define LINUX_F_GETOWN 9
#endif
#ifndef LINUX_F_SETSIG
#define LINUX_F_SETSIG 10
#define LINUX_F_GETSIG 11
#endif
#ifndef LINUX_F_SETOWN_EX
#define LINUX_F_SETOWN_EX 15
#define LINUX_F_GETOWN_EX 16
#define LINUX_F_GETOWNER_UIDS 17
#endif
#define LINUX_F_SPECIFIC_BASE 1024
#define LINUX_F_SETLEASE (LINUX_F_SPECIFIC_BASE + 0)
#define LINUX_F_GETLEASE (LINUX_F_SPECIFIC_BASE + 1)
#define LINUX_F_DUPFD_QUERY (LINUX_F_SPECIFIC_BASE + 3)
#define LINUX_F_CANCELLK (LINUX_F_SPECIFIC_BASE + 5)
#define LINUX_F_DUPFD_CLOEXEC (LINUX_F_SPECIFIC_BASE + 6)
#define LINUX_F_NOTIFY (LINUX_F_SPECIFIC_BASE + 2)
#define LINUX_F_SETPIPE_SZ (LINUX_F_SPECIFIC_BASE + 7)
#define LINUX_F_GETPIPE_SZ (LINUX_F_SPECIFIC_BASE + 8)
#define LINUX_F_ADD_SEALS (LINUX_F_SPECIFIC_BASE + 9)
#define LINUX_F_GET_SEALS (LINUX_F_SPECIFIC_BASE + 10)
#define LINUX_F_GETLKP 36
#define LINUX_F_SETLKP 37
#define LINUX_F_SETLKPW 38
#define LINUX_F_OWNER_TID 0
#define LINUX_F_OWNER_PID 1
#define LINUX_F_OWNER_PGRP 2
#ifndef LINUX_F_RDLCK
#define LINUX_F_RDLCK 0
#define LINUX_F_WRLCK 1
#define LINUX_F_UNLCK 2
#endif
/*
* renameat2 flags
*/
#define LINUX_RENAME_NOREPLACE 0x00000001
#define LINUX_RENAME_EXCHANGE 0x00000002
#define LINUX_RENAME_WHITEOUT 0x00000004
/*
* sync_file_range flags
*/
#define LINUX_SYNC_FILE_RANGE_WAIT_BEFORE 1
#define LINUX_SYNC_FILE_RANGE_WRITE 2
#define LINUX_SYNC_FILE_RANGE_WAIT_AFTER 4
#define LINUX_F_SEAL_SEAL 0x0001
#define LINUX_F_SEAL_SHRINK 0x0002
#define LINUX_F_SEAL_GROW 0x0004
#define LINUX_F_SEAL_WRITE 0x0008
#define LINUX_MFD_CLOEXEC 0x0001
#define LINUX_MFD_ALLOW_SEALING 0x0002
#define LINUX_MFD_HUGETLB 0x0004
#define LINUX_HUGETLB_FLAG_ENCODE_SHIFT 26
#define LINUX_HUGETLB_FLAG_ENCODE_MASK 0x3f
#define LINUX_HUGETLB_FLAG_ENCODE_64KB (16 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
#define LINUX_HUGETLB_FLAG_ENCODE_512KB (19 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
#define LINUX_HUGETLB_FLAG_ENCODE_1MB (20 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
#define LINUX_HUGETLB_FLAG_ENCODE_2MB (21 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
#define LINUX_HUGETLB_FLAG_ENCODE_8MB (23 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
#define LINUX_HUGETLB_FLAG_ENCODE_16MB (24 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
#define LINUX_HUGETLB_FLAG_ENCODE_32MB (25 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
#define LINUX_HUGETLB_FLAG_ENCODE_256MB (28 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
#define LINUX_HUGETLB_FLAG_ENCODE_512MB (29 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
#define LINUX_HUGETLB_FLAG_ENCODE_1GB (30 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
#define LINUX_HUGETLB_FLAG_ENCODE_2GB (31 << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
#define LINUX_HUGETLB_FLAG_ENCODE_16GB (34U << LINUX_HUGETLB_FLAG_ENCODE_SHIFT)
/* inotify flags */
#define LINUX_IN_ACCESS 0x00000001
#define LINUX_IN_MODIFY 0x00000002
#define LINUX_IN_ATTRIB 0x00000004
#define LINUX_IN_CLOSE_WRITE 0x00000008
#define LINUX_IN_CLOSE_NOWRITE 0x00000010
#define LINUX_IN_OPEN 0x00000020
#define LINUX_IN_MOVED_FROM 0x00000040
#define LINUX_IN_MOVED_TO 0x00000080
#define LINUX_IN_CREATE 0x00000100
#define LINUX_IN_DELETE 0x00000200
#define LINUX_IN_DELETE_SELF 0x00000400
#define LINUX_IN_MOVE_SELF 0x00000800
#define LINUX_IN_UNMOUNT 0x00002000
#define LINUX_IN_Q_OVERFLOW 0x00004000
#define LINUX_IN_IGNORED 0x00008000
#define LINUX_IN_ONLYDIR 0x01000000
#define LINUX_IN_DONT_FOLLOW 0x02000000
#define LINUX_IN_EXCL_UNLINK 0x04000000
#define LINUX_IN_MASK_CREATE 0x10000000
#define LINUX_IN_MASK_ADD 0x20000000
#define LINUX_IN_ISDIR 0x40000000
#define LINUX_IN_ONESHOT 0x80000000
#define LINUX_IN_ALL_EVENTS 0x00000fff
#define LINUX_IN_ALL_FLAGS 0xf700e000
#define LINUX_IN_NONBLOCK 0x00000800
#define LINUX_IN_CLOEXEC 0x00080000
#if defined(_KERNEL)
struct l_file_handle {
l_uint handle_bytes;
l_int handle_type;
unsigned char f_handle[0];
};
int linux_enobufs2eagain(struct thread *, int, int);
int linux_common_openflags(int);
#endif
/*
* Look at linux_close_range() for an explanation.
*
* #define LINUX_CLOSE_RANGE_UNSHARE (1U << 1)
*/
#define LINUX_CLOSE_RANGE_CLOEXEC (1U << 2)
#endif /* !_LINUX_FILE_H_ */
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