X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Ffuse.h;h=d48282197696fdf1644820a121ce75cd5571bd67;hb=c010b2f76c3032e48097a6eef291d8593d5d79a6;hp=61f34636ffbcc2777c104972af102cb061bf480f;hpb=b6aeadeda22a9aa322fdfcd3f4c69ccf0da5cbdd;p=safe%2Fjmp%2Flinux-2.6 diff --git a/include/linux/fuse.h b/include/linux/fuse.h index 61f3463..d482821 100644 --- a/include/linux/fuse.h +++ b/include/linux/fuse.h @@ -1,30 +1,45 @@ /* FUSE: Filesystem in Userspace - Copyright (C) 2001-2005 Miklos Szeredi + Copyright (C) 2001-2006 Miklos Szeredi This program can be distributed under the terms of the GNU GPL. See the file COPYING. */ -/* This file defines the kernel interface of FUSE */ +/* + * This file defines the kernel interface of FUSE + * + * Protocol changelog: + * + * 7.9: + * - new fuse_getattr_in input argument of GETATTR + * - add lk_flags in fuse_lk_in + * - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in + * - add blksize field to fuse_attr + * - add file flags field to fuse_read_in and fuse_write_in + */ #include +#include /** Version number of this interface */ #define FUSE_KERNEL_VERSION 7 /** Minor version number of this interface */ -#define FUSE_KERNEL_MINOR_VERSION 1 +#define FUSE_KERNEL_MINOR_VERSION 9 /** The node ID of the root inode */ #define FUSE_ROOT_ID 1 /** The major number of the fuse character device */ -#define FUSE_MAJOR 10 +#define FUSE_MAJOR MISC_MAJOR /** The minor number of the fuse character device */ #define FUSE_MINOR 229 +/* Make sure all structures are padded to 64bit boundary, so 32bit + userspace works under 64bit kernels */ + struct fuse_attr { __u64 ino; __u64 size; @@ -40,6 +55,8 @@ struct fuse_attr { __u32 uid; __u32 gid; __u32 rdev; + __u32 blksize; + __u32 padding; }; struct fuse_kstatfs { @@ -50,15 +67,78 @@ struct fuse_kstatfs { __u64 ffree; __u32 bsize; __u32 namelen; + __u32 frsize; + __u32 padding; + __u32 spare[6]; +}; + +struct fuse_file_lock { + __u64 start; + __u64 end; + __u32 type; + __u32 pid; /* tgid */ }; +/** + * Bitmasks for fuse_setattr_in.valid + */ #define FATTR_MODE (1 << 0) #define FATTR_UID (1 << 1) #define FATTR_GID (1 << 2) #define FATTR_SIZE (1 << 3) #define FATTR_ATIME (1 << 4) #define FATTR_MTIME (1 << 5) -#define FATTR_CTIME (1 << 6) +#define FATTR_FH (1 << 6) +#define FATTR_ATIME_NOW (1 << 7) +#define FATTR_MTIME_NOW (1 << 8) +#define FATTR_LOCKOWNER (1 << 9) + +/** + * Flags returned by the OPEN request + * + * FOPEN_DIRECT_IO: bypass page cache for this open file + * FOPEN_KEEP_CACHE: don't invalidate the data cache on open + */ +#define FOPEN_DIRECT_IO (1 << 0) +#define FOPEN_KEEP_CACHE (1 << 1) + +/** + * INIT request/reply flags + */ +#define FUSE_ASYNC_READ (1 << 0) +#define FUSE_POSIX_LOCKS (1 << 1) +#define FUSE_FILE_OPS (1 << 2) +#define FUSE_ATOMIC_O_TRUNC (1 << 3) +#define FUSE_BIG_WRITES (1 << 5) + +/** + * Release flags + */ +#define FUSE_RELEASE_FLUSH (1 << 0) + +/** + * Getattr flags + */ +#define FUSE_GETATTR_FH (1 << 0) + +/** + * Lock flags + */ +#define FUSE_LK_FLOCK (1 << 0) + +/** + * WRITE flags + * + * FUSE_WRITE_CACHE: delayed write from page cache, file handle is guessed + * FUSE_WRITE_LOCKOWNER: lock_owner field is valid + */ +#define FUSE_WRITE_CACHE (1 << 0) +#define FUSE_WRITE_LOCKOWNER (1 << 1) + +/** + * Read flags + */ +#define FUSE_READ_LOCKOWNER (1 << 1) enum fuse_opcode { FUSE_LOOKUP = 1, @@ -67,7 +147,6 @@ enum fuse_opcode { FUSE_SETATTR = 4, FUSE_READLINK = 5, FUSE_SYMLINK = 6, - FUSE_GETDIR = 7, FUSE_MKNOD = 8, FUSE_MKDIR = 9, FUSE_UNLINK = 10, @@ -80,15 +159,30 @@ enum fuse_opcode { FUSE_STATFS = 17, FUSE_RELEASE = 18, FUSE_FSYNC = 20, + FUSE_SETXATTR = 21, + FUSE_GETXATTR = 22, + FUSE_LISTXATTR = 23, + FUSE_REMOVEXATTR = 24, FUSE_FLUSH = 25, - FUSE_INIT = 26 + FUSE_INIT = 26, + FUSE_OPENDIR = 27, + FUSE_READDIR = 28, + FUSE_RELEASEDIR = 29, + FUSE_FSYNCDIR = 30, + FUSE_GETLK = 31, + FUSE_SETLK = 32, + FUSE_SETLKW = 33, + FUSE_ACCESS = 34, + FUSE_CREATE = 35, + FUSE_INTERRUPT = 36, + FUSE_BMAP = 37, + FUSE_DESTROY = 38, }; -/* Conservative buffer size for the client */ -#define FUSE_MAX_IN 8192 +/* The read buffer is required to be at least 8k, but may be much larger */ +#define FUSE_MIN_READ_BUFFER 8192 -#define FUSE_NAME_MAX 1024 -#define FUSE_SYMLINK_MAX 4096 +#define FUSE_COMPAT_ENTRY_OUT_SIZE 120 struct fuse_entry_out { __u64 nodeid; /* Inode ID */ @@ -105,6 +199,14 @@ struct fuse_forget_in { __u64 nlookup; }; +struct fuse_getattr_in { + __u32 getattr_flags; + __u32 dummy; + __u64 fh; +}; + +#define FUSE_COMPAT_ATTR_OUT_SIZE 96 + struct fuse_attr_out { __u64 attr_valid; /* Cache timeout for the attributes */ __u32 attr_valid_nsec; @@ -112,10 +214,6 @@ struct fuse_attr_out { struct fuse_attr attr; }; -struct fuse_getdir_out { - __u32 fd; -}; - struct fuse_mknod_in { __u32 mode; __u32 rdev; @@ -123,6 +221,7 @@ struct fuse_mknod_in { struct fuse_mkdir_in { __u32 mode; + __u32 padding; }; struct fuse_rename_in { @@ -135,45 +234,77 @@ struct fuse_link_in { struct fuse_setattr_in { __u32 valid; - struct fuse_attr attr; + __u32 padding; + __u64 fh; + __u64 size; + __u64 lock_owner; + __u64 atime; + __u64 mtime; + __u64 unused2; + __u32 atimensec; + __u32 mtimensec; + __u32 unused3; + __u32 mode; + __u32 unused4; + __u32 uid; + __u32 gid; + __u32 unused5; }; struct fuse_open_in { __u32 flags; + __u32 mode; }; struct fuse_open_out { __u64 fh; __u32 open_flags; + __u32 padding; }; struct fuse_release_in { __u64 fh; __u32 flags; + __u32 release_flags; + __u64 lock_owner; }; struct fuse_flush_in { __u64 fh; - __u32 flush_flags; + __u32 unused; + __u32 padding; + __u64 lock_owner; }; struct fuse_read_in { __u64 fh; __u64 offset; __u32 size; + __u32 read_flags; + __u64 lock_owner; + __u32 flags; + __u32 padding; }; +#define FUSE_COMPAT_WRITE_IN_SIZE 24 + struct fuse_write_in { __u64 fh; __u64 offset; __u32 size; __u32 write_flags; + __u64 lock_owner; + __u32 flags; + __u32 padding; }; struct fuse_write_out { __u32 size; + __u32 padding; }; +#define FUSE_COMPAT_STATFS_SIZE 48 + struct fuse_statfs_out { struct fuse_kstatfs st; }; @@ -181,11 +312,69 @@ struct fuse_statfs_out { struct fuse_fsync_in { __u64 fh; __u32 fsync_flags; + __u32 padding; }; -struct fuse_init_in_out { +struct fuse_setxattr_in { + __u32 size; + __u32 flags; +}; + +struct fuse_getxattr_in { + __u32 size; + __u32 padding; +}; + +struct fuse_getxattr_out { + __u32 size; + __u32 padding; +}; + +struct fuse_lk_in { + __u64 fh; + __u64 owner; + struct fuse_file_lock lk; + __u32 lk_flags; + __u32 padding; +}; + +struct fuse_lk_out { + struct fuse_file_lock lk; +}; + +struct fuse_access_in { + __u32 mask; + __u32 padding; +}; + +struct fuse_init_in { __u32 major; __u32 minor; + __u32 max_readahead; + __u32 flags; +}; + +struct fuse_init_out { + __u32 major; + __u32 minor; + __u32 max_readahead; + __u32 flags; + __u32 unused; + __u32 max_write; +}; + +struct fuse_interrupt_in { + __u64 unique; +}; + +struct fuse_bmap_in { + __u64 block; + __u32 blocksize; + __u32 padding; +}; + +struct fuse_bmap_out { + __u64 block; }; struct fuse_in_header { @@ -196,6 +385,7 @@ struct fuse_in_header { __u32 uid; __u32 gid; __u32 pid; + __u32 padding; }; struct fuse_out_header { @@ -212,7 +402,7 @@ struct fuse_dirent { char name[0]; }; -#define FUSE_NAME_OFFSET ((unsigned) ((struct fuse_dirent *) 0)->name) +#define FUSE_NAME_OFFSET offsetof(struct fuse_dirent, name) #define FUSE_DIRENT_ALIGN(x) (((x) + sizeof(__u64) - 1) & ~(sizeof(__u64) - 1)) #define FUSE_DIRENT_SIZE(d) \ FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen)