1 /*
2  * (C) 2001 Clemson University and The University of Chicago
3  *
4  * See COPYING in top-level directory.
5  */
6 
7 #ifndef _ORANGEFS_DEV_PROTO_H
8 #define _ORANGEFS_DEV_PROTO_H
9 
10 /*
11  * types and constants shared between user space and kernel space for
12  * device interaction using a common protocol
13  */
14 
15 /*
16  * valid orangefs kernel operation types
17  */
18 #define ORANGEFS_VFS_OP_INVALID           0xFF000000
19 #define ORANGEFS_VFS_OP_FILE_IO        0xFF000001
20 #define ORANGEFS_VFS_OP_LOOKUP         0xFF000002
21 #define ORANGEFS_VFS_OP_CREATE         0xFF000003
22 #define ORANGEFS_VFS_OP_GETATTR        0xFF000004
23 #define ORANGEFS_VFS_OP_REMOVE         0xFF000005
24 #define ORANGEFS_VFS_OP_MKDIR          0xFF000006
25 #define ORANGEFS_VFS_OP_READDIR        0xFF000007
26 #define ORANGEFS_VFS_OP_SETATTR        0xFF000008
27 #define ORANGEFS_VFS_OP_SYMLINK        0xFF000009
28 #define ORANGEFS_VFS_OP_RENAME         0xFF00000A
29 #define ORANGEFS_VFS_OP_STATFS         0xFF00000B
30 #define ORANGEFS_VFS_OP_TRUNCATE       0xFF00000C
31 #define ORANGEFS_VFS_OP_MMAP_RA_FLUSH  0xFF00000D
32 #define ORANGEFS_VFS_OP_FS_MOUNT       0xFF00000E
33 #define ORANGEFS_VFS_OP_FS_UMOUNT      0xFF00000F
34 #define ORANGEFS_VFS_OP_GETXATTR       0xFF000010
35 #define ORANGEFS_VFS_OP_SETXATTR          0xFF000011
36 #define ORANGEFS_VFS_OP_LISTXATTR         0xFF000012
37 #define ORANGEFS_VFS_OP_REMOVEXATTR       0xFF000013
38 #define ORANGEFS_VFS_OP_PARAM          0xFF000014
39 #define ORANGEFS_VFS_OP_PERF_COUNT     0xFF000015
40 #define ORANGEFS_VFS_OP_CANCEL            0xFF00EE00
41 #define ORANGEFS_VFS_OP_FSYNC          0xFF00EE01
42 #define ORANGEFS_VFS_OP_FSKEY             0xFF00EE02
43 #define ORANGEFS_VFS_OP_READDIRPLUS       0xFF00EE03
44 
45 /*
46  * Misc constants. Please retain them as multiples of 8!
47  * Otherwise 32-64 bit interactions will be messed up :)
48  */
49 #define ORANGEFS_MAX_DEBUG_STRING_LEN	0x00000400
50 #define ORANGEFS_MAX_DEBUG_ARRAY_LEN	0x00000800
51 
52 /*
53  * The maximum number of directory entries in a single request is 96.
54  * XXX: Why can this not be higher. The client-side code can handle up to 512.
55  * XXX: What happens if we expect more than the client can return?
56  */
57 #define ORANGEFS_MAX_DIRENT_COUNT_READDIR 96
58 
59 #include "upcall.h"
60 #include "downcall.h"
61 
62 #endif
63