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218 lines
6.1 KiB
218 lines
6.1 KiB
/*
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* ioctl.h - f2fs ioctl header
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*
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* Authors: Jaegeuk Kim <jaegeuk@kernel.org>
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*/
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#ifdef HAVE_LINUX_TYPES_H
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#include <linux/types.h>
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#endif
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#ifdef HAVE_LINUX_FIEMAP_H
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#include <linux/fiemap.h>
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#endif
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#ifdef HAVE_LINUX_FS_H
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#include <linux/fs.h>
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#endif
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#include <sys/types.h>
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#ifdef UNUSED
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#elif defined(__GNUC__)
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# define UNUSED(x) UNUSED_ ## x __attribute__((unused))
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#elif defined(__LCLINT__)
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# define UNUSED(x) x
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#elif defined(__cplusplus)
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# define UNUSED(x)
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#else
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# define UNUSED(x) x
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#endif
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typedef u_int64_t u64;
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typedef u_int32_t u32;
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typedef u_int16_t u16;
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typedef u_int8_t u8;
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#ifndef HAVE_LINUX_TYPES_H
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typedef u8 __u8;
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typedef u16 __u16;
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typedef u32 __u32;
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typedef u16 __le16;
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typedef u32 __le32;
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typedef u16 __be16;
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typedef u32 __be32;
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#endif
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#define F2FS_BLKSIZE 4096
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#define NEW_ADDR 0xFFFFFFFF
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#ifndef FS_IOC_GETFLAGS
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#define FS_IOC_GETFLAGS _IOR('f', 1, long)
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#endif
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#ifndef FS_IOC_SETFLAGS
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#define FS_IOC_SETFLAGS _IOW('f', 2, long)
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#endif
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#define F2FS_IOCTL_MAGIC 0xf5
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#define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS
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#define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS
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#define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)
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#define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)
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#define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3)
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#define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4)
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#define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5)
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#define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32)
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#define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7)
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#define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \
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struct f2fs_defragment)
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#define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \
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struct f2fs_move_range)
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#define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \
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struct f2fs_flush_device)
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#define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \
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struct f2fs_gc_range)
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#define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32)
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#define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32)
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#define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32)
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#define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15)
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#define F2FS_IOC_RESIZE_FS _IOW(F2FS_IOCTL_MAGIC, 16, __u64)
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#define F2FS_IOC_GET_COMPRESS_BLOCKS _IOR(F2FS_IOCTL_MAGIC, 17, __u64)
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#define F2FS_IOC_RELEASE_COMPRESS_BLOCKS \
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_IOR(F2FS_IOCTL_MAGIC, 18, __u64)
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#define F2FS_IOC_RESERVE_COMPRESS_BLOCKS \
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_IOR(F2FS_IOCTL_MAGIC, 19, __u64)
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#define F2FS_IOC_GET_COMPRESS_OPTION _IOR(F2FS_IOCTL_MAGIC, 21, \
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struct f2fs_comp_option)
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#define F2FS_IOC_SET_COMPRESS_OPTION _IOW(F2FS_IOCTL_MAGIC, 22, \
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struct f2fs_comp_option)
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#define F2FS_IOC_DECOMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 23)
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#define F2FS_IOC_COMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 24)
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#ifndef FSCRYPT_POLICY_V1
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#define FSCRYPT_POLICY_V1 0
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#define FSCRYPT_KEY_DESCRIPTOR_SIZE 8
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struct fscrypt_policy_v1 {
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__u8 version;
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__u8 contents_encryption_mode;
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__u8 filenames_encryption_mode;
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__u8 flags;
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__u8 master_key_descriptor[FSCRYPT_KEY_DESCRIPTOR_SIZE];
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};
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#endif
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#ifndef FS_IOC_GET_ENCRYPTION_POLICY
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#define FS_IOC_GET_ENCRYPTION_POLICY _IOW('f', 21, struct fscrypt_policy_v1)
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#endif
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#ifndef FSCRYPT_POLICY_V2
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#define FSCRYPT_POLICY_V2 2
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#define FSCRYPT_KEY_IDENTIFIER_SIZE 16
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struct fscrypt_policy_v2 {
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__u8 version;
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__u8 contents_encryption_mode;
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__u8 filenames_encryption_mode;
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__u8 flags;
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__u8 __reserved[4];
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__u8 master_key_identifier[FSCRYPT_KEY_IDENTIFIER_SIZE];
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};
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/* Struct passed to FS_IOC_GET_ENCRYPTION_POLICY_EX */
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struct fscrypt_get_policy_ex_arg {
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__u64 policy_size; /* input/output */
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union {
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__u8 version;
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struct fscrypt_policy_v1 v1;
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struct fscrypt_policy_v2 v2;
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} policy; /* output */
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};
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#endif
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#ifndef FS_IOC_GET_ENCRYPTION_POLICY_EX
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#define FS_IOC_GET_ENCRYPTION_POLICY_EX _IOWR('f', 22, __u8[9]) /* size + version */
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#endif
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#define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY
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#define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY
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#define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT
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#define FS_IOC_ENABLE_VERITY _IO('f', 133)
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/*
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* Inode flags
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*/
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#define F2FS_NOCOW_FL 0x00800000 /* Do not cow file */
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/*
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* should be same as XFS_IOC_GOINGDOWN.
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* Flags for going down operation used by FS_IOC_GOINGDOWN
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*/
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#define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */
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#define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */
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#define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */
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#define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */
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#define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */
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#define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */
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#define F2FS_GOING_DOWN_MAX 0x5
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#if defined(__KERNEL__) && defined(CONFIG_COMPAT)
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/*
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* ioctl commands in 32 bit emulation
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*/
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#define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS
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#define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS
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#define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION
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#endif
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#define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
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#define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
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#ifndef FS_ENCRYPT_FL
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#define FS_ENCRYPT_FL 0x00000800 /* Encrypted file */
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#endif
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#ifndef FS_VERITY_FL
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#define FS_VERITY_FL 0x00100000 /* Verity protected inode */
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#endif
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#ifndef FS_INLINE_DATA_FL
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#define FS_INLINE_DATA_FL 0x10000000 /* Inline data for regular/symlink files */
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#endif
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#ifndef FS_NOCOW_FL
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#define FS_NOCOW_FL 0x00800000 /* Do not cow file */
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#endif
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#ifndef FS_NOCOMP_FL
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#define FS_NOCOMP_FL 0x00000400 /* Don't compress */
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#endif
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#ifndef FS_COMPR_FL
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#define FS_COMPR_FL 0x00000004 /* Compress file */
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#endif
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#ifndef FS_CASEFOLD_FL
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#define FS_CASEFOLD_FL 0x40000000 /* Folder is case insensitive */
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#endif
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struct f2fs_gc_range {
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u32 sync;
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u64 start;
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u64 len;
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};
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struct f2fs_defragment {
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u64 start;
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u64 len;
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};
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struct f2fs_move_range {
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u32 dst_fd; /* destination fd */
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u64 pos_in; /* start position in src_fd */
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u64 pos_out; /* start position in dst_fd */
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u64 len; /* size to move */
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};
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struct f2fs_flush_device {
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u32 dev_num; /* device number to flush */
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u32 segments; /* # of segments to flush */
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};
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struct f2fs_comp_option {
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u8 algorithm;
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u8 log_cluster_size;
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};
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