diff options
Diffstat (limited to 'tools/include/uapi')
| -rw-r--r-- | tools/include/uapi/linux/mount.h | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/tools/include/uapi/linux/mount.h b/tools/include/uapi/linux/mount.h deleted file mode 100644 index ad5478dbad00..000000000000 --- a/tools/include/uapi/linux/mount.h +++ /dev/null @@ -1,211 +0,0 @@ -#ifndef _UAPI_LINUX_MOUNT_H -#define _UAPI_LINUX_MOUNT_H - -#include <linux/types.h> - -/* - * These are the fs-independent mount-flags: up to 32 flags are supported - * - * Usage of these is restricted within the kernel to core mount(2) code and - * callers of sys_mount() only. Filesystems should be using the SB_* - * equivalent instead. - */ -#define MS_RDONLY 1 /* Mount read-only */ -#define MS_NOSUID 2 /* Ignore suid and sgid bits */ -#define MS_NODEV 4 /* Disallow access to device special files */ -#define MS_NOEXEC 8 /* Disallow program execution */ -#define MS_SYNCHRONOUS 16 /* Writes are synced at once */ -#define MS_REMOUNT 32 /* Alter flags of a mounted FS */ -#define MS_MANDLOCK 64 /* Allow mandatory locks on an FS */ -#define MS_DIRSYNC 128 /* Directory modifications are synchronous */ -#define MS_NOSYMFOLLOW 256 /* Do not follow symlinks */ -#define MS_NOATIME 1024 /* Do not update access times. */ -#define MS_NODIRATIME 2048 /* Do not update directory access times */ -#define MS_BIND 4096 -#define MS_MOVE 8192 -#define MS_REC 16384 -#define MS_VERBOSE 32768 /* War is peace. Verbosity is silence. - MS_VERBOSE is deprecated. */ -#define MS_SILENT 32768 -#define MS_POSIXACL (1<<16) /* VFS does not apply the umask */ -#define MS_UNBINDABLE (1<<17) /* change to unbindable */ -#define MS_PRIVATE (1<<18) /* change to private */ -#define MS_SLAVE (1<<19) /* change to slave */ -#define MS_SHARED (1<<20) /* change to shared */ -#define MS_RELATIME (1<<21) /* Update atime relative to mtime/ctime. */ -#define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */ -#define MS_I_VERSION (1<<23) /* Update inode I_version field */ -#define MS_STRICTATIME (1<<24) /* Always perform atime updates */ -#define MS_LAZYTIME (1<<25) /* Update the on-disk [acm]times lazily */ - -/* These sb flags are internal to the kernel */ -#define MS_SUBMOUNT (1<<26) -#define MS_NOREMOTELOCK (1<<27) -#define MS_NOSEC (1<<28) -#define MS_BORN (1<<29) -#define MS_ACTIVE (1<<30) -#define MS_NOUSER (1<<31) - -/* - * Superblock flags that can be altered by MS_REMOUNT - */ -#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION|\ - MS_LAZYTIME) - -/* - * Old magic mount flag and mask - */ -#define MS_MGC_VAL 0xC0ED0000 -#define MS_MGC_MSK 0xffff0000 - -/* - * open_tree() flags. - */ -#define OPEN_TREE_CLONE 1 /* Clone the target tree and attach the clone */ -#define OPEN_TREE_CLOEXEC O_CLOEXEC /* Close the file on execve() */ - -/* - * move_mount() flags. - */ -#define MOVE_MOUNT_F_SYMLINKS 0x00000001 /* Follow symlinks on from path */ -#define MOVE_MOUNT_F_AUTOMOUNTS 0x00000002 /* Follow automounts on from path */ -#define MOVE_MOUNT_F_EMPTY_PATH 0x00000004 /* Empty from path permitted */ -#define MOVE_MOUNT_T_SYMLINKS 0x00000010 /* Follow symlinks on to path */ -#define MOVE_MOUNT_T_AUTOMOUNTS 0x00000020 /* Follow automounts on to path */ -#define MOVE_MOUNT_T_EMPTY_PATH 0x00000040 /* Empty to path permitted */ -#define MOVE_MOUNT_SET_GROUP 0x00000100 /* Set sharing group instead */ -#define MOVE_MOUNT_BENEATH 0x00000200 /* Mount beneath top mount */ -#define MOVE_MOUNT__MASK 0x00000377 - -/* - * fsopen() flags. - */ -#define FSOPEN_CLOEXEC 0x00000001 - -/* - * fspick() flags. - */ -#define FSPICK_CLOEXEC 0x00000001 -#define FSPICK_SYMLINK_NOFOLLOW 0x00000002 -#define FSPICK_NO_AUTOMOUNT 0x00000004 -#define FSPICK_EMPTY_PATH 0x00000008 - -/* - * The type of fsconfig() call made. - */ -enum fsconfig_command { - FSCONFIG_SET_FLAG = 0, /* Set parameter, supplying no value */ - FSCONFIG_SET_STRING = 1, /* Set parameter, supplying a string value */ - FSCONFIG_SET_BINARY = 2, /* Set parameter, supplying a binary blob value */ - FSCONFIG_SET_PATH = 3, /* Set parameter, supplying an object by path */ - FSCONFIG_SET_PATH_EMPTY = 4, /* Set parameter, supplying an object by (empty) path */ - FSCONFIG_SET_FD = 5, /* Set parameter, supplying an object by fd */ - FSCONFIG_CMD_CREATE = 6, /* Create new or reuse existing superblock */ - FSCONFIG_CMD_RECONFIGURE = 7, /* Invoke superblock reconfiguration */ - FSCONFIG_CMD_CREATE_EXCL = 8, /* Create new superblock, fail if reusing existing superblock */ -}; - -/* - * fsmount() flags. - */ -#define FSMOUNT_CLOEXEC 0x00000001 - -/* - * Mount attributes. - */ -#define MOUNT_ATTR_RDONLY 0x00000001 /* Mount read-only */ -#define MOUNT_ATTR_NOSUID 0x00000002 /* Ignore suid and sgid bits */ -#define MOUNT_ATTR_NODEV 0x00000004 /* Disallow access to device special files */ -#define MOUNT_ATTR_NOEXEC 0x00000008 /* Disallow program execution */ -#define MOUNT_ATTR__ATIME 0x00000070 /* Setting on how atime should be updated */ -#define MOUNT_ATTR_RELATIME 0x00000000 /* - Update atime relative to mtime/ctime. */ -#define MOUNT_ATTR_NOATIME 0x00000010 /* - Do not update access times. */ -#define MOUNT_ATTR_STRICTATIME 0x00000020 /* - Always perform atime updates */ -#define MOUNT_ATTR_NODIRATIME 0x00000080 /* Do not update directory access times */ -#define MOUNT_ATTR_IDMAP 0x00100000 /* Idmap mount to @userns_fd in struct mount_attr. */ -#define MOUNT_ATTR_NOSYMFOLLOW 0x00200000 /* Do not follow symlinks */ - -/* - * mount_setattr() - */ -struct mount_attr { - __u64 attr_set; - __u64 attr_clr; - __u64 propagation; - __u64 userns_fd; -}; - -/* List of all mount_attr versions. */ -#define MOUNT_ATTR_SIZE_VER0 32 /* sizeof first published struct */ - - -/* - * Structure for getting mount/superblock/filesystem info with statmount(2). - * - * The interface is similar to statx(2): individual fields or groups can be - * selected with the @mask argument of statmount(). Kernel will set the @mask - * field according to the supported fields. - * - * If string fields are selected, then the caller needs to pass a buffer that - * has space after the fixed part of the structure. Nul terminated strings are - * copied there and offsets relative to @str are stored in the relevant fields. - * If the buffer is too small, then EOVERFLOW is returned. The actually used - * size is returned in @size. - */ -struct statmount { - __u32 size; /* Total size, including strings */ - __u32 __spare1; - __u64 mask; /* What results were written */ - __u32 sb_dev_major; /* Device ID */ - __u32 sb_dev_minor; - __u64 sb_magic; /* ..._SUPER_MAGIC */ - __u32 sb_flags; /* SB_{RDONLY,SYNCHRONOUS,DIRSYNC,LAZYTIME} */ - __u32 fs_type; /* [str] Filesystem type */ - __u64 mnt_id; /* Unique ID of mount */ - __u64 mnt_parent_id; /* Unique ID of parent (for root == mnt_id) */ - __u32 mnt_id_old; /* Reused IDs used in proc/.../mountinfo */ - __u32 mnt_parent_id_old; - __u64 mnt_attr; /* MOUNT_ATTR_... */ - __u64 mnt_propagation; /* MS_{SHARED,SLAVE,PRIVATE,UNBINDABLE} */ - __u64 mnt_peer_group; /* ID of shared peer group */ - __u64 mnt_master; /* Mount receives propagation from this ID */ - __u64 propagate_from; /* Propagation from in current namespace */ - __u32 mnt_root; /* [str] Root of mount relative to root of fs */ - __u32 mnt_point; /* [str] Mountpoint relative to current root */ - __u64 __spare2[50]; - char str[]; /* Variable size part containing strings */ -}; - -/* - * Structure for passing mount ID and miscellaneous parameters to statmount(2) - * and listmount(2). - * - * For statmount(2) @param represents the request mask. - * For listmount(2) @param represents the last listed mount id (or zero). - */ -struct mnt_id_req { - __u32 size; - __u32 spare; - __u64 mnt_id; - __u64 param; -}; - -/* List of all mnt_id_req versions. */ -#define MNT_ID_REQ_SIZE_VER0 24 /* sizeof first published struct */ - -/* - * @mask bits for statmount(2) - */ -#define STATMOUNT_SB_BASIC 0x00000001U /* Want/got sb_... */ -#define STATMOUNT_MNT_BASIC 0x00000002U /* Want/got mnt_... */ -#define STATMOUNT_PROPAGATE_FROM 0x00000004U /* Want/got propagate_from */ -#define STATMOUNT_MNT_ROOT 0x00000008U /* Want/got mnt_root */ -#define STATMOUNT_MNT_POINT 0x00000010U /* Want/got mnt_point */ -#define STATMOUNT_FS_TYPE 0x00000020U /* Want/got fs_type */ - -/* - * Special @mnt_id values that can be passed to listmount - */ -#define LSMT_ROOT 0xffffffffffffffff /* root mount */ - -#endif /* _UAPI_LINUX_MOUNT_H */ |