OpenCloudOS-Kernel/fs/orangefs/orangefs-dev-proto.h

67 lines
2.3 KiB
C

/*
* (C) 2001 Clemson University and The University of Chicago
*
* See COPYING in top-level directory.
*/
#ifndef _ORANGEFS_DEV_PROTO_H
#define _ORANGEFS_DEV_PROTO_H
/*
* types and constants shared between user space and kernel space for
* device interaction using a common protocol
*/
/*
* valid orangefs kernel operation types
*/
#define ORANGEFS_VFS_OP_INVALID 0xFF000000
#define ORANGEFS_VFS_OP_FILE_IO 0xFF000001
#define ORANGEFS_VFS_OP_LOOKUP 0xFF000002
#define ORANGEFS_VFS_OP_CREATE 0xFF000003
#define ORANGEFS_VFS_OP_GETATTR 0xFF000004
#define ORANGEFS_VFS_OP_REMOVE 0xFF000005
#define ORANGEFS_VFS_OP_MKDIR 0xFF000006
#define ORANGEFS_VFS_OP_READDIR 0xFF000007
#define ORANGEFS_VFS_OP_SETATTR 0xFF000008
#define ORANGEFS_VFS_OP_SYMLINK 0xFF000009
#define ORANGEFS_VFS_OP_RENAME 0xFF00000A
#define ORANGEFS_VFS_OP_STATFS 0xFF00000B
#define ORANGEFS_VFS_OP_TRUNCATE 0xFF00000C
#define ORANGEFS_VFS_OP_RA_FLUSH 0xFF00000D
#define ORANGEFS_VFS_OP_FS_MOUNT 0xFF00000E
#define ORANGEFS_VFS_OP_FS_UMOUNT 0xFF00000F
#define ORANGEFS_VFS_OP_GETXATTR 0xFF000010
#define ORANGEFS_VFS_OP_SETXATTR 0xFF000011
#define ORANGEFS_VFS_OP_LISTXATTR 0xFF000012
#define ORANGEFS_VFS_OP_REMOVEXATTR 0xFF000013
#define ORANGEFS_VFS_OP_PARAM 0xFF000014
#define ORANGEFS_VFS_OP_PERF_COUNT 0xFF000015
#define ORANGEFS_VFS_OP_CANCEL 0xFF00EE00
#define ORANGEFS_VFS_OP_FSYNC 0xFF00EE01
#define ORANGEFS_VFS_OP_FSKEY 0xFF00EE02
#define ORANGEFS_VFS_OP_READDIRPLUS 0xFF00EE03
#define ORANGEFS_VFS_OP_FEATURES 0xFF00EE05 /* 2.9.6 */
/* features is a 64-bit unsigned bitmask */
#define ORANGEFS_FEATURE_READAHEAD 1
/*
* Misc constants. Please retain them as multiples of 8!
* Otherwise 32-64 bit interactions will be messed up :)
*/
#define ORANGEFS_MAX_DEBUG_STRING_LEN 0x00000400
#define ORANGEFS_MAX_DEBUG_ARRAY_LEN 0x00000800
/*
* The maximum number of directory entries in a single request is 96.
* XXX: Why can this not be higher. The client-side code can handle up to 512.
* XXX: What happens if we expect more than the client can return?
*/
#define ORANGEFS_MAX_DIRENT_COUNT_READDIR 96
#include "upcall.h"
#include "downcall.h"
#endif