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