fs/orangefs/orangefs-dev-proto.h

   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