| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| #ifndef _UAPI_LINUX_FCNTL_H |
| #define _UAPI_LINUX_FCNTL_H |
| |
| #include <asm/fcntl.h> |
| #include <linux/openat2.h> |
| |
| #define F_SETLEASE (F_LINUX_SPECIFIC_BASE + 0) |
| #define F_GETLEASE (F_LINUX_SPECIFIC_BASE + 1) |
| |
| /* |
| * Cancel a blocking posix lock; internal use only until we expose an |
| * asynchronous lock api to userspace: |
| */ |
| #define F_CANCELLK (F_LINUX_SPECIFIC_BASE + 5) |
| |
| /* Create a file descriptor with FD_CLOEXEC set. */ |
| #define F_DUPFD_CLOEXEC (F_LINUX_SPECIFIC_BASE + 6) |
| |
| /* |
| * Request nofications on a directory. |
| * See below for events that may be notified. |
| */ |
| #define F_NOTIFY (F_LINUX_SPECIFIC_BASE+2) |
| |
| /* |
| * Set and get of pipe page size array |
| */ |
| #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7) |
| #define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8) |
| |
| /* |
| * Set/Get seals |
| */ |
| #define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9) |
| #define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10) |
| |
| /* |
| * Types of seals |
| */ |
| #define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */ |
| #define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */ |
| #define F_SEAL_GROW 0x0004 /* prevent file from growing */ |
| #define F_SEAL_WRITE 0x0008 /* prevent writes */ |
| #define F_SEAL_FUTURE_WRITE 0x0010 /* prevent future writes while mapped */ |
| /* (1U << 31) is reserved for signed error codes */ |
| |
| /* |
| * Set/Get write life time hints. {GET,SET}_RW_HINT operate on the |
| * underlying inode, while {GET,SET}_FILE_RW_HINT operate only on |
| * the specific file. |
| */ |
| #define F_GET_RW_HINT (F_LINUX_SPECIFIC_BASE + 11) |
| #define F_SET_RW_HINT (F_LINUX_SPECIFIC_BASE + 12) |
| #define F_GET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 13) |
| #define F_SET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 14) |
| |
| /* |
| * Valid hint values for F_{GET,SET}_RW_HINT. 0 is "not set", or can be |
| * used to clear any hints previously set. |
| */ |
| #define RWH_WRITE_LIFE_NOT_SET 0 |
| #define RWH_WRITE_LIFE_NONE 1 |
| #define RWH_WRITE_LIFE_SHORT 2 |
| #define RWH_WRITE_LIFE_MEDIUM 3 |
| #define RWH_WRITE_LIFE_LONG 4 |
| #define RWH_WRITE_LIFE_EXTREME 5 |
| |
| /* |
| * The originally introduced spelling is remained from the first |
| * versions of the patch set that introduced the feature, see commit |
| * v4.13-rc1~212^2~51. |
| */ |
| #define RWF_WRITE_LIFE_NOT_SET RWH_WRITE_LIFE_NOT_SET |
| |
| /* |
| * Types of directory notifications that may be requested. |
| */ |
| #define DN_ACCESS 0x00000001 /* File accessed */ |
| #define DN_MODIFY 0x00000002 /* File modified */ |
| #define DN_CREATE 0x00000004 /* File created */ |
| #define DN_DELETE 0x00000008 /* File removed */ |
| #define DN_RENAME 0x00000010 /* File renamed */ |
| #define DN_ATTRIB 0x00000020 /* File changed attibutes */ |
| #define DN_MULTISHOT 0x80000000 /* Don't remove notifier */ |
| |
| /* |
| * The constants AT_REMOVEDIR and AT_EACCESS have the same value. AT_EACCESS is |
| * meaningful only to faccessat, while AT_REMOVEDIR is meaningful only to |
| * unlinkat. The two functions do completely different things and therefore, |
| * the flags can be allowed to overlap. For example, passing AT_REMOVEDIR to |
| * faccessat would be undefined behavior and thus treating it equivalent to |
| * AT_EACCESS is valid undefined behavior. |
| */ |
| #define AT_FDCWD -100 /* Special value used to indicate |
| openat should use the current |
| working directory. */ |
| #define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic links. */ |
| #define AT_EACCESS 0x200 /* Test access permitted for |
| effective IDs, not real IDs. */ |
| #define AT_REMOVEDIR 0x200 /* Remove directory instead of |
| unlinking file. */ |
| #define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */ |
| #define AT_NO_AUTOMOUNT 0x800 /* Suppress terminal automount traversal */ |
| #define AT_EMPTY_PATH 0x1000 /* Allow empty relative pathname */ |
| |
| #define AT_STATX_SYNC_TYPE 0x6000 /* Type of synchronisation required from statx() */ |
| #define AT_STATX_SYNC_AS_STAT 0x0000 /* - Do whatever stat() does */ |
| #define AT_STATX_FORCE_SYNC 0x2000 /* - Force the attributes to be sync'd with the server */ |
| #define AT_STATX_DONT_SYNC 0x4000 /* - Don't sync attributes with the server */ |
| |
| #define AT_RECURSIVE 0x8000 /* Apply to the entire subtree */ |
| #if defined(__KERNEL__) |
| #define AT_GETATTR_NOSEC 0x80000000 |
| #endif |
| |
| #endif /* _UAPI_LINUX_FCNTL_H */ |