1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _LINUX_FCNTL_H 3*4882a593Smuzhiyun #define _LINUX_FCNTL_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <linux/stat.h> 6*4882a593Smuzhiyun #include <uapi/linux/fcntl.h> 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun /* List of all valid flags for the open/openat flags argument: */ 9*4882a593Smuzhiyun #define VALID_OPEN_FLAGS \ 10*4882a593Smuzhiyun (O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC | \ 11*4882a593Smuzhiyun O_APPEND | O_NDELAY | O_NONBLOCK | __O_SYNC | O_DSYNC | \ 12*4882a593Smuzhiyun FASYNC | O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | \ 13*4882a593Smuzhiyun O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE) 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun /* List of all valid flags for the how->upgrade_mask argument: */ 16*4882a593Smuzhiyun #define VALID_UPGRADE_FLAGS \ 17*4882a593Smuzhiyun (UPGRADE_NOWRITE | UPGRADE_NOREAD) 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* List of all valid flags for the how->resolve argument: */ 20*4882a593Smuzhiyun #define VALID_RESOLVE_FLAGS \ 21*4882a593Smuzhiyun (RESOLVE_NO_XDEV | RESOLVE_NO_MAGICLINKS | RESOLVE_NO_SYMLINKS | \ 22*4882a593Smuzhiyun RESOLVE_BENEATH | RESOLVE_IN_ROOT | RESOLVE_CACHED) 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun /* List of all open_how "versions". */ 25*4882a593Smuzhiyun #define OPEN_HOW_SIZE_VER0 24 /* sizeof first published struct */ 26*4882a593Smuzhiyun #define OPEN_HOW_SIZE_LATEST OPEN_HOW_SIZE_VER0 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun #ifndef force_o_largefile 29*4882a593Smuzhiyun #define force_o_largefile() (!IS_ENABLED(CONFIG_ARCH_32BIT_OFF_T)) 30*4882a593Smuzhiyun #endif 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #if BITS_PER_LONG == 32 33*4882a593Smuzhiyun #define IS_GETLK32(cmd) ((cmd) == F_GETLK) 34*4882a593Smuzhiyun #define IS_SETLK32(cmd) ((cmd) == F_SETLK) 35*4882a593Smuzhiyun #define IS_SETLKW32(cmd) ((cmd) == F_SETLKW) 36*4882a593Smuzhiyun #define IS_GETLK64(cmd) ((cmd) == F_GETLK64) 37*4882a593Smuzhiyun #define IS_SETLK64(cmd) ((cmd) == F_SETLK64) 38*4882a593Smuzhiyun #define IS_SETLKW64(cmd) ((cmd) == F_SETLKW64) 39*4882a593Smuzhiyun #else 40*4882a593Smuzhiyun #define IS_GETLK32(cmd) (0) 41*4882a593Smuzhiyun #define IS_SETLK32(cmd) (0) 42*4882a593Smuzhiyun #define IS_SETLKW32(cmd) (0) 43*4882a593Smuzhiyun #define IS_GETLK64(cmd) ((cmd) == F_GETLK) 44*4882a593Smuzhiyun #define IS_SETLK64(cmd) ((cmd) == F_SETLK) 45*4882a593Smuzhiyun #define IS_SETLKW64(cmd) ((cmd) == F_SETLKW) 46*4882a593Smuzhiyun #endif /* BITS_PER_LONG == 32 */ 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun #define IS_GETLK(cmd) (IS_GETLK32(cmd) || IS_GETLK64(cmd)) 49*4882a593Smuzhiyun #define IS_SETLK(cmd) (IS_SETLK32(cmd) || IS_SETLK64(cmd)) 50*4882a593Smuzhiyun #define IS_SETLKW(cmd) (IS_SETLKW32(cmd) || IS_SETLKW64(cmd)) 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun #endif 53