1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * (C) 2001 Clemson University and The University of Chicago
4  *
5  * See COPYING in top-level directory.
6  */
7 
8 #ifndef _ORANGEFS_DEV_PROTO_H
9 #define _ORANGEFS_DEV_PROTO_H
10 
11 /*
12  * types and constants shared between user space and kernel space for
13  * device interaction using a common protocol
14  */
15 
16 /*
17  * valid orangefs kernel operation types
18  */
19 #define ORANGEFS_VFS_OP_INVALID           0xFF000000
20 #define ORANGEFS_VFS_OP_FILE_IO        0xFF000001
21 #define ORANGEFS_VFS_OP_LOOKUP         0xFF000002
22 #define ORANGEFS_VFS_OP_CREATE         0xFF000003
23 #define ORANGEFS_VFS_OP_GETATTR        0xFF000004
24 #define ORANGEFS_VFS_OP_REMOVE         0xFF000005
25 #define ORANGEFS_VFS_OP_MKDIR          0xFF000006
26 #define ORANGEFS_VFS_OP_READDIR        0xFF000007
27 #define ORANGEFS_VFS_OP_SETATTR        0xFF000008
28 #define ORANGEFS_VFS_OP_SYMLINK        0xFF000009
29 #define ORANGEFS_VFS_OP_RENAME         0xFF00000A
30 #define ORANGEFS_VFS_OP_STATFS         0xFF00000B
31 #define ORANGEFS_VFS_OP_TRUNCATE       0xFF00000C
32 #define ORANGEFS_VFS_OP_RA_FLUSH       0xFF00000D
33 #define ORANGEFS_VFS_OP_FS_MOUNT       0xFF00000E
34 #define ORANGEFS_VFS_OP_FS_UMOUNT      0xFF00000F
35 #define ORANGEFS_VFS_OP_GETXATTR       0xFF000010
36 #define ORANGEFS_VFS_OP_SETXATTR          0xFF000011
37 #define ORANGEFS_VFS_OP_LISTXATTR         0xFF000012
38 #define ORANGEFS_VFS_OP_REMOVEXATTR       0xFF000013
39 #define ORANGEFS_VFS_OP_PARAM          0xFF000014
40 #define ORANGEFS_VFS_OP_PERF_COUNT     0xFF000015
41 #define ORANGEFS_VFS_OP_CANCEL            0xFF00EE00
42 #define ORANGEFS_VFS_OP_FSYNC          0xFF00EE01
43 #define ORANGEFS_VFS_OP_FSKEY             0xFF00EE02
44 #define ORANGEFS_VFS_OP_READDIRPLUS       0xFF00EE03
45 #define ORANGEFS_VFS_OP_FEATURES	0xFF00EE05 /* 2.9.6 */
46 
47 /* features is a 64-bit unsigned bitmask */
48 #define ORANGEFS_FEATURE_READAHEAD 1
49 
50 /*
51  * Misc constants. Please retain them as multiples of 8!
52  * Otherwise 32-64 bit interactions will be messed up :)
53  */
54 #define ORANGEFS_MAX_DEBUG_STRING_LEN	0x00000800
55 
56 #define ORANGEFS_MAX_DIRENT_COUNT_READDIR 512
57 
58 #include "upcall.h"
59 #include "downcall.h"
60 
61 #endif
62