#ifndef _SYS_MOUNT_H #define _SYS_MOUNT_H #include #include #define _LINUX_CONFIG_H __BEGIN_DECLS #define BLOCK_SIZE 1024 #define BLOCK_SIZE_BITS 10 /* These are the fs-independent mount-flags: up to 16 flags are supported */ enum { MS_RDONLY = 1, /* Mount read-only. */ #define MS_RDONLY MS_RDONLY MS_NOSUID = 2, /* Ignore suid and sgid bits. */ #define MS_NOSUID MS_NOSUID MS_NODEV = 4, /* Disallow access to device special files. */ #define MS_NODEV MS_NODEV MS_NOEXEC = 8, /* Disallow program execution. */ #define MS_NOEXEC MS_NOEXEC MS_SYNCHRONOUS = 16, /* Writes are synced at once. */ #define MS_SYNCHRONOUS MS_SYNCHRONOUS MS_REMOUNT = 32, /* Alter flags of a mounted FS. */ #define MS_REMOUNT MS_REMOUNT MS_MANDLOCK = 64, /* Allow mandatory locks on an FS. */ #define MS_MANDLOCK MS_MANDLOCK S_WRITE = 128, /* Write on file/directory/symlink. */ #define S_WRITE S_WRITE S_APPEND = 256, /* Append-only file. */ #define S_APPEND S_APPEND S_IMMUTABLE = 512, /* Immutable file. */ #define S_IMMUTABLE S_IMMUTABLE MS_NOATIME = 1024, /* Do not update access times. */ #define MS_NOATIME MS_NOATIME MS_NODIRATIME = 2048, /* Do not update directory access times. */ #define MS_NODIRATIME MS_NODIRATIME MS_BIND = 4096, /* Bind directory at different place. */ #define MS_BIND MS_BIND MS_MOVE = 8192, #define MS_MOVE MS_MOVE MS_REC = 16384, #define MS_REC MS_REC MS_SILENT = 32768, #define MS_VERBOSE MS_SILENT #define MS_SILENT MS_SILENT MS_POSIXACL = (1<<16), /* VFS does not apply the umask */ #define MS_POSIXACL MS_POSIXACL MS_UNBINDABLE = (1<<17), /* change to unbindable */ MS_PRIVATE = (1<<18), /* change to private */ #define MS_PRIVATE MS_PRIVATE MS_SLAVE = (1<<19), /* change to slave */ #define MS_SLAVE MS_SLAVE MS_SHARED = (1<<20), /* change to shared */ #define MS_SHARED MS_SHARED MS_RELATIME = (1<<21), /* Update atime relative to mtime/ctime. */ #define MS_RELATIME MS_RELATIME MS_KERNMOUNT = (1<<22), /* this is a kern_mount call */ #define MS_KERNMOUNT MS_KERNMOUNT MS_I_VERSION = (1<<23), /* Update inode I_version field */ #define MS_I_VERSION MS_I_VERSION MS_STRICTATIME = (1<<24), /* Always perform atime updates */ #define MS_STRICTATIME MS_STRICTATIME MS_NOSEC = (1<<28), #define MS_NOSEC MS_NOSEC MS_BORN = (1<<29), #define MS_BORN MS_BORN MS_ACTIVE = (1<<30), #define MS_ACTIVE MS_ACTIVE MS_NOUSER = (1<<31), #define MS_NOUSER MS_NOUSER }; /* Flags that can be altered by MS_REMOUNT */ #define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION) /* Magic mount flag number. Has to be or-ed to the flag values. */ #define MS_MGC_VAL 0xc0ed0000 /* Magic flag number to indicate "new" flags */ #define MS_MGC_MSK 0xffff0000 /* Magic flag number mask */ /* The read-only stuff doesn't really belong here, but any other place is probably as bad and I don't want to create yet another include file. */ #define BLKROSET _IO(0x12, 93) /* Set device read-only (0 = read-write). */ #define BLKROGET _IO(0x12, 94) /* Get read-only status (0 = read_write). */ #define BLKRRPART _IO(0x12, 95) /* Re-read partition table. */ #define BLKGETSIZE _IO(0x12, 96) /* Return device size. */ #define BLKFLSBUF _IO(0x12, 97) /* Flush buffer cache. */ #define BLKRASET _IO(0x12, 98) /* Set read ahead for block device. */ #define BLKRAGET _IO(0x12, 99) /* Get current read ahead setting. */ #define BLKFRASET _IO(0x12,100)/* set filesystem (mm/filemap.c) read-ahead */ #define BLKFRAGET _IO(0x12,101)/* get filesystem (mm/filemap.c) read-ahead */ #define BLKSECTSET _IO(0x12,102)/* set max sectors per request (ll_rw_blk.c) */ #define BLKSECTGET _IO(0x12,103)/* get max sectors per request (ll_rw_blk.c) */ #define BLKSSZGET _IO(0x12,104)/* get block device sector size */ /* A jump here: 108-111 have been used for various private purposes. */ #define BLKBSZGET _IOR(0x12,112,size_t) #define BLKBSZSET _IOW(0x12,113,size_t) #define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size in bytes (u64 *arg) */ #define BLKTRACESETUP _IOWR(0x12,115,struct blk_user_trace_setup) #define BLKTRACESTART _IO(0x12,116) #define BLKTRACESTOP _IO(0x12,117) #define BLKTRACETEARDOWN _IO(0x12,118) #define BLKDISCARD _IO(0x12,119) #define BLKIOMIN _IO(0x12,120) #define BLKIOOPT _IO(0x12,121) #define BLKALIGNOFF _IO(0x12,122) #define BLKPBSZGET _IO(0x12,123) #define BLKDISCARDZEROES _IO(0x12,124) #define BLKSECDISCARD _IO(0x12,125) #define BLKROTATIONAL _IO(0x12,126) #define BLKZEROOUT _IO(0x12,127) /* * A jump here: 130-131 are reserved for zoned block devices * (see uapi/linux/blkzoned.h) */ #define BMAP_IOCTL 1 /* obsolete - kept for compatibility */ #define FIBMAP _IO(0x00,1) /* bmap access */ #define FIGETBSZ _IO(0x00,2) /* get the block size used for bmap */ #define FIFREEZE _IOWR('X', 119, int) /* Freeze */ #define FITHAW _IOWR('X', 120, int) /* Thaw */ #define FITRIM _IOWR('X', 121, struct fstrim_range) /* Trim */ #define FICLONE _IOW(0x94, 9, int) #define FICLONERANGE _IOW(0x94, 13, struct file_clone_range) #define FIDEDUPERANGE _IOWR(0x94, 54, struct file_dedupe_range) #define FS_IOC_GETFLAGS _IOR('f', 1, long) #define FS_IOC_SETFLAGS _IOW('f', 2, long) #define FS_IOC_GETVERSION _IOR('v', 1, long) #define FS_IOC_SETVERSION _IOW('v', 2, long) #define FS_IOC_FIEMAP _IOWR('f', 11, struct fiemap) #define FS_IOC32_GETFLAGS _IOR('f', 1, int) #define FS_IOC32_SETFLAGS _IOW('f', 2, int) #define FS_IOC32_GETVERSION _IOR('v', 1, int) #define FS_IOC32_SETVERSION _IOW('v', 2, int) #define FS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr) #define FS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr) /* * File system encryption support */ /* Policy provided via an ioctl on the topmost directory */ #define FS_KEY_DESCRIPTOR_SIZE 8 #define FS_POLICY_FLAGS_PAD_4 0x00 #define FS_POLICY_FLAGS_PAD_8 0x01 #define FS_POLICY_FLAGS_PAD_16 0x02 #define FS_POLICY_FLAGS_PAD_32 0x03 #define FS_POLICY_FLAGS_PAD_MASK 0x03 #define FS_POLICY_FLAGS_VALID 0x03 /* Encryption algorithms */ #define FS_ENCRYPTION_MODE_INVALID 0 #define FS_ENCRYPTION_MODE_AES_256_XTS 1 #define FS_ENCRYPTION_MODE_AES_256_GCM 2 #define FS_ENCRYPTION_MODE_AES_256_CBC 3 #define FS_ENCRYPTION_MODE_AES_256_CTS 4 #define FS_ENCRYPTION_MODE_AES_128_CBC 5 #define FS_ENCRYPTION_MODE_AES_128_CTS 6 /* Possible value for FLAGS parameter of `umount2'. */ enum { MNT_FORCE = 1, /* Force unmounting. */ #define MNT_FORCE MNT_FORCE MNT_DETACH = 2, /* Just detach, unmount when last reference dies. */ #define MNT_DETACH MNT_DETACH MNT_EXPIRE = 4, /* Mark for expiry. */ #define MNT_EXPIRE MNT_EXPIRE UMOUNT_NOFOLLOW = 8 /* Don't follow symlink on umount. */ #define UMOUNT_NOFOLLOW UMOUNT_NOFOLLOW }; int mount(const char* specialfile, const char* dir, const char* filesystemtype, unsigned long rwflag, const void * data) __THROW; int umount(const char *specialfile) __THROW; int umount2(const char *specialfile, int mflag) __THROW; __END_DECLS #endif