2 * Copyright (c) 2008, 2009, 2010, 2011 Kernel Drivers, LLC.
3 * Copyright (c) 2009, 2010, 2011 Your File System, Inc.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * - Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 * - Redistributions in binary form must reproduce the above copyright
14 * this list of conditions and the following disclaimer in the
16 * and/or other materials provided with the distribution.
17 * - Neither the names of Kernel Drivers, LLC and Your File System, Inc.
18 * nor the names of their contributors may be used to endorse or promote
19 * products derived from this software without specific prior written
20 * permission from Kernel Drivers, LLC and Your File System, Inc.
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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35 #ifndef _AFS_DEFINES_H
36 #define _AFS_DEFINES_H
42 // Conditional compiled code
45 //#define AFS_FLUSH_PAGES_SYNCHRONOUSLY 1 // Flush pages as we mark them dirty
53 //#define AFS_VALIDATE_EXTENTS 0
65 #ifndef FsRtlSetupAdvancedHeader
67 #define FSRTL_FLAG_ADVANCED_HEADER (0x40)
68 #define FSRTL_FLAG2_SUPPORTS_FILTER_CONTEXTS (0x02)
70 #define FsRtlSetupAdvancedHeader( _advhdr, _fmutx ) \
72 SetFlag( (_advhdr)->Flags, FSRTL_FLAG_ADVANCED_HEADER ); \
73 SetFlag( (_advhdr)->Flags2, FSRTL_FLAG2_SUPPORTS_FILTER_CONTEXTS ); \
74 InitializeListHead( &(_advhdr)->FilterContexts ); \
75 if ((_fmutx) != NULL) { \
76 (_advhdr)->FastMutex = (_fmutx); \
84 (*PAFSRtlSetSaclSecurityDescriptor)( PSECURITY_DESCRIPTOR SecurityDescriptor,
87 BOOLEAN SaclDefaulted);
91 (*PAFSRtlSetGroupSecurityDescriptor)( IN PSECURITY_DESCRIPTOR SecurityDescriptor,
92 IN PSID Group OPTIONAL,
93 IN BOOLEAN GroupDefaulted);
96 // Worker thread count
99 #define AFS_WORKER_COUNT 16
100 #define AFS_IO_WORKER_COUNT 8
103 // Worker thread states
106 #define AFS_WORKER_INITIALIZED 0x0001
107 #define AFS_WORKER_PROCESS_REQUESTS 0x0002
110 // Worker Thread codes
113 #define AFS_WORK_UNUSED_1 0x0001
114 #define AFS_WORK_FLUSH_FCB 0x0002
115 #define AFS_WORK_UNUSED_3 0x0003
116 #define AFS_WORK_UNUSED_4 0x0004
117 #define AFS_WORK_UNUSED_5 0x0005
118 #define AFS_WORK_ENUMERATE_GLOBAL_ROOT 0x0006
119 #define AFS_WORK_INVALIDATE_OBJECT 0x0007
120 #define AFS_WORK_START_IOS 0x0008
121 #define AFS_WORK_DEFERRED_WRITE 0x0009
124 // Worker request flags
127 #define AFS_SYNCHRONOUS_REQUEST 0x00000001
133 #define AFS_FCB_FLAG_FILE_MODIFIED 0x00000001
134 #define AFS_FCB_FILE_CLOSED 0x00000002
135 #define AFS_FCB_FLAG_UPDATE_WRITE_TIME 0x00000004
136 #define AFS_FCB_FLAG_UPDATE_CHANGE_TIME 0x00000008
137 #define AFS_FCB_FLAG_UPDATE_ACCESS_TIME 0x00000010
138 #define AFS_FCB_FLAG_UPDATE_CREATE_TIME 0x00000020
139 #define AFS_FCB_FLAG_UPDATE_LAST_WRITE_TIME 0x00000040
140 #define AFS_FCB_FLAG_PURGE_ON_CLOSE 0x00000080
143 // Object information flags
146 #define AFS_OBJECT_FLAGS_OBJECT_INVALID 0x00000001
147 #define AFS_OBJECT_FLAGS_VERIFY 0x00000002
148 #define AFS_OBJECT_FLAGS_NOT_EVALUATED 0x00000004
149 #define AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED 0x00000008
150 #define AFS_OBJECT_FLAGS_DELETED 0x00000010
151 #define AFS_OBJECT_INSERTED_HASH_TREE 0x00000020
152 #define AFS_OBJECT_INSERTED_VOLUME_LIST 0x00000040
153 #define AFS_OBJECT_HELD_IN_SERVICE 0x00000080
154 #define AFS_OBJECT_ROOT_VOLUME 0x00000100
155 #define AFS_OBJECT_FLAGS_VERIFY_DATA 0x00000200
156 #define AFS_OBJECT_FLAGS_PARENT_FID 0x00000400
159 // Object information reference count reasons
162 #define AFS_OBJECT_REFERENCE_DIRENTRY 0
163 #define AFS_OBJECT_REFERENCE_CHILD 1
164 #define AFS_OBJECT_REFERENCE_INVALIDATION 2
165 #define AFS_OBJECT_REFERENCE_GLOBAL 3
166 #define AFS_OBJECT_REFERENCE_EXTENTS 4
167 #define AFS_OBJECT_REFERENCE_WORKER 5
168 #define AFS_OBJECT_REFERENCE_STATUS 6
169 #define AFS_OBJECT_REFERENCE_FIND 7
170 #define AFS_OBJECT_REFERENCE_MAX 8
173 // Volume reference count reasons
176 #define AFS_VOLUME_REFERENCE_INVALID 0
177 #define AFS_VOLUME_REFERENCE_EXTENTS 1
178 #define AFS_VOLUME_REFERENCE_GLOBAL_ROOT 2
179 #define AFS_VOLUME_REFERENCE_INVALIDATE 3
180 #define AFS_VOLUME_REFERENCE_FILE_ATTRS 4
181 #define AFS_VOLUME_REFERENCE_EVAL_ROOT 5
182 #define AFS_VOLUME_REFERENCE_GET_OBJECT 6
183 #define AFS_VOLUME_REFERENCE_MOUNTPT 7
184 #define AFS_VOLUME_REFERENCE_BUILD_ROOT 8
185 #define AFS_VOLUME_REFERENCE_LOCATE_NAME 9
186 #define AFS_VOLUME_REFERENCE_PARSE_NAME 10
187 #define AFS_VOLUME_REFERENCE_MAX 12
190 // Define one second in terms of 100 nS units
193 #define AFS_ONE_SECOND 10000000
194 #define AFS_ONE_MILLISECOND 10000
195 #define AFS_ONE_MICROSECOND 10
198 // Fcb lifetime in seconds
201 #define AFS_OBJECT_LIFETIME 20 * AFS_ONE_SECOND
203 #define AFS_EXTENT_REQUEST_TIME 10 * AFS_ONE_SECOND
206 // How big to make the runs
208 #define AFS_MAX_STACK_IO_RUNS 5
211 #define FlagOn(_F,_SF) ((_F) & (_SF))
214 #ifndef BooleanFlagOn
215 #define BooleanFlagOn(F,SF) ((BOOLEAN)(((F) & (SF)) != 0))
219 #define SetFlag(_F,_SF) ((_F) |= (_SF))
223 #define ClearFlag(_F,_SF) ((_F) &= ~(_SF))
226 #define QuadAlign(Ptr) ( \
227 ((((ULONG)(Ptr)) + 7) & 0xfffffff8) \
230 #define CRC32_POLYNOMIAL 0xEDB88320L;
232 #define AFS_SERVER_FLUSH_DELAY (5LL * AFS_ONE_SECOND)
233 #define AFS_SERVER_PURGE_DELAY (300LL * AFS_ONE_SECOND)
235 // PURGE_SLEEP is the number of PURGE_DELAYS we wait before we will unilaterally
236 // give back extents.
238 // If the Service asks us, we will start at PURGE_SLEEP of delays and then work back
240 #define AFS_SERVER_PURGE_SLEEP 6
242 #define AFS_DIR_ENUM_BUFFER_LEN (16 * 1024)
245 // IS_BYTE_OFFSET_WRITE_TO_EOF
246 // liOffset - should be from Irp.StackLocation.Parameters.Write.ByteOffset
247 // this macro checks to see if the Offset Large_Integer points to the
248 // special constant value which denotes to start the write at EndOfFile
250 #define IS_BYTE_OFFSET_WRITE_TO_EOF(liOffset) \
251 (((liOffset).LowPart == FILE_WRITE_TO_END_OF_FILE) \
252 && ((liOffset).HighPart == 0xFFFFFFFF))
255 // Ccb Directory enum flags
258 #define CCB_FLAG_DIR_OF_DIRS_ONLY 0x00000001
259 #define CCB_FLAG_FULL_DIRECTORY_QUERY 0x00000002
260 #define CCB_FLAG_MASK_CONTAINS_WILD_CARDS 0x00000004
261 #define CCB_FLAG_FREE_FULL_PATHNAME 0x00000008
262 #define CCB_FLAG_RETURN_RELATIVE_ENTRIES 0x00000010
263 #define CCB_FLAG_DIRECTORY_QUERY_MAPPED 0x00000020
264 #define CCB_FLAG_MASK_PIOCTL_QUERY 0x00000040
265 #define CCB_FLAG_MASK_OPENED_REPARSE_POINT 0x00000080
266 #define CCB_FLAG_INSERTED_CCB_LIST 0x00000100
272 #define AFS_DIR_RELEASE_NAME_BUFFER 0x00000001
274 #define AFS_DIR_ENTRY_CASE_INSENSTIVE_LIST_HEAD 0x00000004
275 #define AFS_DIR_ENTRY_NOT_IN_PARENT_TREE 0x00000008
276 #define AFS_DIR_ENTRY_INSERTED_ENUM_LIST 0x00000010
277 #define AFS_DIR_ENTRY_FAKE 0x00000020
278 #define AFS_DIR_RELEASE_TARGET_NAME_BUFFER 0x00000040
279 #define AFS_DIR_ENTRY_VALID 0x00000080
280 #define AFS_DIR_ENTRY_PENDING_DELETE 0x00000100
281 #define AFS_DIR_ENTRY_DELETED 0x00000200
282 #define AFS_DIR_ENTRY_PIPE_SERVICE 0x00000400
283 #define AFS_DIR_ENTRY_IPC 0x00000800
284 #define AFS_DIR_ENTRY_INSERTED_SHORT_NAME 0x00001000
287 // Network provider errors
290 #define WN_SUCCESS 0L
291 #define WN_ALREADY_CONNECTED 85L
292 #define WN_OUT_OF_MEMORY 8L
293 #define WN_NOT_CONNECTED 2250L
294 #define WN_BAD_NETNAME 67L
296 #define RESOURCE_CONNECTED 0x00000001
297 #define RESOURCE_GLOBALNET 0x00000002
298 #define RESOURCE_REMEMBERED 0x00000003
299 #define RESOURCE_RECENT 0x00000004
300 #define RESOURCE_CONTEXT 0x00000005
302 #define RESOURCETYPE_ANY 0x00000000
303 #define RESOURCETYPE_DISK 0x00000001
304 #define RESOURCETYPE_PRINT 0x00000002
305 #define RESOURCETYPE_RESERVED 0x00000008
306 #define RESOURCETYPE_UNKNOWN 0xFFFFFFFF
308 #define RESOURCEUSAGE_CONNECTABLE 0x00000001
309 #define RESOURCEUSAGE_CONTAINER 0x00000002
310 #define RESOURCEUSAGE_NOLOCALDEVICE 0x00000004
311 #define RESOURCEUSAGE_SIBLING 0x00000008
312 #define RESOURCEUSAGE_ATTACHED 0x00000010
313 #define RESOURCEUSAGE_ALL (RESOURCEUSAGE_CONNECTABLE | RESOURCEUSAGE_CONTAINER | RESOURCEUSAGE_ATTACHED)
314 #define RESOURCEUSAGE_RESERVED 0x80000000
316 #define RESOURCEDISPLAYTYPE_GENERIC 0x00000000
317 #define RESOURCEDISPLAYTYPE_DOMAIN 0x00000001
318 #define RESOURCEDISPLAYTYPE_SERVER 0x00000002
319 #define RESOURCEDISPLAYTYPE_SHARE 0x00000003
320 #define RESOURCEDISPLAYTYPE_FILE 0x00000004
321 #define RESOURCEDISPLAYTYPE_GROUP 0x00000005
322 #define RESOURCEDISPLAYTYPE_NETWORK 0x00000006
323 #define RESOURCEDISPLAYTYPE_ROOT 0x00000007
324 #define RESOURCEDISPLAYTYPE_SHAREADMIN 0x00000008
325 #define RESOURCEDISPLAYTYPE_DIRECTORY 0x00000009
326 #define RESOURCEDISPLAYTYPE_TREE 0x0000000A
327 #define RESOURCEDISPLAYTYPE_NDSCONTAINER 0x0000000B
330 // Method for determining the different control device open requests
333 #define AFS_CONTROL_INSTANCE 0x00000001
334 #define AFS_REDIRECTOR_INSTANCE 0x00000002
340 #define AFS_EXTENT_DIRTY 0x00000001
343 // Extent skip list sizes
345 #define AFS_NUM_EXTENT_LISTS 3
348 // Extents skip lists
350 // We use constant sizes.
352 #define AFS_EXTENT_SIZE (4*1024)
353 #define AFS_EXTENTS_LIST 0
355 // A max of 64 extents in ther first skip list
356 #define AFS_EXTENT_SKIP1_BITS 6
359 // Then 128 bits in the second skip list
360 #define AFS_EXTENT_SKIP2_BITS 7
363 // This means that the top list skips in steps of 2^25 (=12+6+7) which
364 // is 32 Mb. It is to be expected that files which are massively
365 // larger that this will not be fully mapped.
367 #define AFS_EXTENT_SKIP1_SIZE (AFS_EXTENT_SIZE << AFS_EXTENT_SKIP1_BITS)
368 #define AFS_EXTENT_SKIP2_SIZE (AFS_EXTENT_SKIP1_SIZE << AFS_EXTENT_SKIP2_BITS)
370 #define AFS_EXTENTS_MASKS { (AFS_EXTENT_SIZE-1), \
371 (AFS_EXTENT_SKIP1_SIZE-1), \
372 (AFS_EXTENT_SKIP2_SIZE-1) }
375 // Maximum count to release at a time
378 #define AFS_MAXIMUM_EXTENT_RELEASE_COUNT 100
380 #define AFS_DIRTY_CHUNK_THRESHOLD 64
382 // {41966169-3FD7-4392-AFE4-E6A9D0A92C72} - generated using guidgen.exe
383 DEFINE_GUID (GUID_SD_AFS_REDIRECTOR_CONTROL_OBJECT,
384 0x41966169, 0x3fd7, 0x4392, 0xaf, 0xe4, 0xe6, 0xa9, 0xd0, 0xa9, 0x2c, 0x72);
390 #define AFS_DBG_LOG_LENGTH 256
396 #define AFS_DBG_LOG_WRAPPED 0x00000001
402 #define AFS_CONNECTION_FLAG_GLOBAL_SHARE 0x00000001
408 #define AFS_PROCESS_FLAG_IS_64BIT 0x00000001
411 // Maximum number of special share names
414 #define AFS_SPECIAL_SHARE_NAME_COUNT_MAX 10
420 #define AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT 0x00000001
421 #define AFS_NAME_ARRAY_FLAG_REDIRECTION_ELEMENT 0x00000002
424 // Maximum recursion depth
427 #define AFS_MAX_RECURSION_COUNT 20
430 // LocateNameEntry flags
433 #define AFS_LOCATE_FLAGS_SUBSTITUTE_NAME 0x00000001
434 #define AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL 0x00000002
435 #define AFS_LOCATE_FLAGS_NO_SL_TARGET_EVAL 0x00000004
436 #define AFS_LOCATE_FLAGS_NO_DFS_LINK_EVAL 0x00000008
442 #define AFS_PARSE_FLAG_FREE_FILE_BUFFER 0x00000001
443 #define AFS_PARSE_FLAG_ROOT_ACCESS 0x00000002
446 // Reparse tag information
450 // Tag allocated to OpenAFS for DFS by Microsoft
451 // GUID: EF21A155-5C92-4470-AB3B-370403D96369
454 #ifndef IO_REPARSE_TAG_OPENAFS_DFS
455 #define IO_REPARSE_TAG_OPENAFS_DFS 0x00000037L
458 #ifndef IO_REPARSE_TAG_SURROGATE
459 #define IO_REPARSE_TAG_SURROGATE 0x20000000L
462 // {EF21A155-5C92-4470-AB3B-370403D96369}
463 DEFINE_GUID (GUID_AFS_REPARSE_GUID,
464 0xEF21A155, 0x5C92, 0x4470, 0xAB, 0x3B, 0x37, 0x04, 0x03, 0xD9, 0x63, 0x69);
467 // Enumeration constants
470 #define AFS_DIR_ENTRY_INITIAL_DIR_INDEX (ULONG)-3
471 #define AFS_DIR_ENTRY_INITIAL_ROOT_INDEX (ULONG)-1
473 #define AFS_DIR_ENTRY_PIOCTL_INDEX (ULONG)-3
474 #define AFS_DIR_ENTRY_DOT_INDEX (ULONG)-2
475 #define AFS_DIR_ENTRY_DOT_DOT_INDEX (ULONG)-1
478 // Library state flags
481 #define AFS_REDIR_LIB_FLAGS_NONPERSISTENT_CACHE 0x00000001
483 #endif /* _AFS_DEFINES_H */