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/*
* (C) 2001 Clemson University and The University of Chicago
*
* See COPYING in top-level directory.
*/
#ifndef _PVFS2_DEV_PROTO_H
#define _PVFS2_DEV_PROTO_H
/*
* types and constants shared between user space and kernel space for
* device interaction using a common protocol
*/
/*
* valid pvfs2 kernel operation types
*/
#define PVFS2_VFS_OP_INVALID 0xFF000000
#define PVFS2_VFS_OP_FILE_IO 0xFF000001
#define PVFS2_VFS_OP_LOOKUP 0xFF000002
#define PVFS2_VFS_OP_CREATE 0xFF000003
#define PVFS2_VFS_OP_GETATTR 0xFF000004
#define PVFS2_VFS_OP_REMOVE 0xFF000005
#define PVFS2_VFS_OP_MKDIR 0xFF000006
#define PVFS2_VFS_OP_READDIR 0xFF000007
#define PVFS2_VFS_OP_SETATTR 0xFF000008
#define PVFS2_VFS_OP_SYMLINK 0xFF000009
#define PVFS2_VFS_OP_RENAME 0xFF00000A
#define PVFS2_VFS_OP_STATFS 0xFF00000B
#define PVFS2_VFS_OP_TRUNCATE 0xFF00000C
#define PVFS2_VFS_OP_MMAP_RA_FLUSH 0xFF00000D
#define PVFS2_VFS_OP_FS_MOUNT 0xFF00000E
#define PVFS2_VFS_OP_FS_UMOUNT 0xFF00000F
#define PVFS2_VFS_OP_GETXATTR 0xFF000010
#define PVFS2_VFS_OP_SETXATTR 0xFF000011
#define PVFS2_VFS_OP_LISTXATTR 0xFF000012
#define PVFS2_VFS_OP_REMOVEXATTR 0xFF000013
#define PVFS2_VFS_OP_PARAM 0xFF000014
#define PVFS2_VFS_OP_PERF_COUNT 0xFF000015
#define PVFS2_VFS_OP_CANCEL 0xFF00EE00
#define PVFS2_VFS_OP_FSYNC 0xFF00EE01
#define PVFS2_VFS_OP_FSKEY 0xFF00EE02
#define PVFS2_VFS_OP_READDIRPLUS 0xFF00EE03
#define PVFS2_VFS_OP_FILE_IOX 0xFF00EE04
/*
* Misc constants. Please retain them as multiples of 8!
* Otherwise 32-64 bit interactions will be messed up :)
*/
#define PVFS2_NAME_LEN 0x00000100
#define PVFS2_MAX_DEBUG_STRING_LEN 0x00000400
#define PVFS2_MAX_DEBUG_ARRAY_LEN 0x00000800
/*
* MAX_DIRENT_COUNT cannot be larger than PVFS_REQ_LIMIT_LISTATTR.
* The value of PVFS_REQ_LIMIT_LISTATTR has been changed from 113 to 60
* to accomodate an attribute object with mirrored handles.
* MAX_DIRENT_COUNT is replaced by MAX_DIRENT_COUNT_READDIR and
* MAX_DIRENT_COUNT_READDIRPLUS, since readdir doesn't trigger a listattr
* but readdirplus might.
*/
#define MAX_DIRENT_COUNT_READDIR 0x00000060
#define MAX_DIRENT_COUNT_READDIRPLUS 0x0000003C
#include "upcall.h"
#include "downcall.h"
/*
* These macros differ from proto macros in that they don't do any
* byte-swappings and are used to ensure that kernel-clientcore interactions
* don't cause any unaligned accesses etc on 64 bit machines
*/
#ifndef roundup4
#define roundup4(x) (((x)+3) & ~3)
#endif
#ifndef roundup8
#define roundup8(x) (((x)+7) & ~7)
#endif
struct read_write_x {
__s64 off;
__s64 len;
};
#endif
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