| /* |
| * (C) 2001 Clemson University and The University of Chicago |
| * |
| * See COPYING in top-level directory. |
| */ |
| |
| #ifndef _ORANGEFS_DEV_PROTO_H |
| #define _ORANGEFS_DEV_PROTO_H |
| |
| /* |
| * types and constants shared between user space and kernel space for |
| * device interaction using a common protocol |
| */ |
| |
| /* |
| * valid orangefs kernel operation types |
| */ |
| #define ORANGEFS_VFS_OP_INVALID 0xFF000000 |
| #define ORANGEFS_VFS_OP_FILE_IO 0xFF000001 |
| #define ORANGEFS_VFS_OP_LOOKUP 0xFF000002 |
| #define ORANGEFS_VFS_OP_CREATE 0xFF000003 |
| #define ORANGEFS_VFS_OP_GETATTR 0xFF000004 |
| #define ORANGEFS_VFS_OP_REMOVE 0xFF000005 |
| #define ORANGEFS_VFS_OP_MKDIR 0xFF000006 |
| #define ORANGEFS_VFS_OP_READDIR 0xFF000007 |
| #define ORANGEFS_VFS_OP_SETATTR 0xFF000008 |
| #define ORANGEFS_VFS_OP_SYMLINK 0xFF000009 |
| #define ORANGEFS_VFS_OP_RENAME 0xFF00000A |
| #define ORANGEFS_VFS_OP_STATFS 0xFF00000B |
| #define ORANGEFS_VFS_OP_TRUNCATE 0xFF00000C |
| #define ORANGEFS_VFS_OP_MMAP_RA_FLUSH 0xFF00000D |
| #define ORANGEFS_VFS_OP_FS_MOUNT 0xFF00000E |
| #define ORANGEFS_VFS_OP_FS_UMOUNT 0xFF00000F |
| #define ORANGEFS_VFS_OP_GETXATTR 0xFF000010 |
| #define ORANGEFS_VFS_OP_SETXATTR 0xFF000011 |
| #define ORANGEFS_VFS_OP_LISTXATTR 0xFF000012 |
| #define ORANGEFS_VFS_OP_REMOVEXATTR 0xFF000013 |
| #define ORANGEFS_VFS_OP_PARAM 0xFF000014 |
| #define ORANGEFS_VFS_OP_PERF_COUNT 0xFF000015 |
| #define ORANGEFS_VFS_OP_CANCEL 0xFF00EE00 |
| #define ORANGEFS_VFS_OP_FSYNC 0xFF00EE01 |
| #define ORANGEFS_VFS_OP_FSKEY 0xFF00EE02 |
| #define ORANGEFS_VFS_OP_READDIRPLUS 0xFF00EE03 |
| |
| /* |
| * Misc constants. Please retain them as multiples of 8! |
| * Otherwise 32-64 bit interactions will be messed up :) |
| */ |
| #define ORANGEFS_NAME_LEN 0x00000100 |
| #define ORANGEFS_MAX_DEBUG_STRING_LEN 0x00000400 |
| #define ORANGEFS_MAX_DEBUG_ARRAY_LEN 0x00000800 |
| |
| /* |
| * MAX_DIRENT_COUNT cannot be larger than ORANGEFS_REQ_LIMIT_LISTATTR. |
| * The value of ORANGEFS_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 |