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1.1 root 1: /*++ BUILD Version: 0011 // Increment this if a change has global effects
2:
3: Copyright (c) 1990-1992 Microsoft Corporation
4:
5: Module Name:
6:
7: winioctl.h
8:
9: Abstract:
10:
11: This module defines the 32-Bit Windows Device I/O control codes.
12:
13: Revision History:
14:
15: --*/
16:
17: #ifndef _WINIOCTL_
18: #define _WINIOCTL_
19:
20:
21: #ifndef _DEVIOCTL_
22: #define _DEVIOCTL_
23:
24: //
25: // Define the various device type values. Note that values used by Microsoft
26: // Corporation are in the range 0-32767, and 32768-65535 are reserved for use
27: // by customers.
28: //
29:
30: #define DEVICE_TYPE DWORD
31:
32: #define FILE_DEVICE_BEEP 0x00000001
33: #define FILE_DEVICE_CD_ROM 0x00000002
34: #define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003
35: #define FILE_DEVICE_CONTROLLER 0x00000004
36: #define FILE_DEVICE_DATALINK 0x00000005
37: #define FILE_DEVICE_DFS 0x00000006
38: #define FILE_DEVICE_DISK 0x00000007
39: #define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008
40: #define FILE_DEVICE_FILE_SYSTEM 0x00000009
41: #define FILE_DEVICE_INPORT_PORT 0x0000000a
42: #define FILE_DEVICE_KEYBOARD 0x0000000b
43: #define FILE_DEVICE_MAILSLOT 0x0000000c
44: #define FILE_DEVICE_MIDI_IN 0x0000000d
45: #define FILE_DEVICE_MIDI_OUT 0x0000000e
46: #define FILE_DEVICE_MOUSE 0x0000000f
47: #define FILE_DEVICE_MULTI_UNC_PROVIDER 0x00000010
48: #define FILE_DEVICE_NAMED_PIPE 0x00000011
49: #define FILE_DEVICE_NETWORK 0x00000012
50: #define FILE_DEVICE_NETWORK_BROWSER 0x00000013
51: #define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014
52: #define FILE_DEVICE_NULL 0x00000015
53: #define FILE_DEVICE_PARALLEL_PORT 0x00000016
54: #define FILE_DEVICE_PHYSICAL_NETCARD 0x00000017
55: #define FILE_DEVICE_PRINTER 0x00000018
56: #define FILE_DEVICE_SCANNER 0x00000019
57: #define FILE_DEVICE_SERIAL_MOUSE_PORT 0x0000001a
58: #define FILE_DEVICE_SERIAL_PORT 0x0000001b
59: #define FILE_DEVICE_SCREEN 0x0000001c
60: #define FILE_DEVICE_SOUND 0x0000001d
61: #define FILE_DEVICE_STREAMS 0x0000001e
62: #define FILE_DEVICE_TAPE 0x0000001f
63: #define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020
64: #define FILE_DEVICE_TRANSPORT 0x00000021
65: #define FILE_DEVICE_UNKNOWN 0x00000022
66: #define FILE_DEVICE_VIDEO 0x00000023
67: #define FILE_DEVICE_VIRTUAL_DISK 0x00000024
68: #define FILE_DEVICE_WAVE_IN 0x00000025
69: #define FILE_DEVICE_WAVE_OUT 0x00000026
70: #define FILE_DEVICE_8042_PORT 0x00000027
71:
72: //
73: // Macro definition for defining IOCTL and FSCTL function control codes. Note
74: // that function codes 0-2047 are reserved for Microsoft Corporation, and
75: // 2048-4095 are reserved for customers.
76: //
77:
78: #define CTL_CODE( DeviceType, Function, Method, Access ) ( \
79: ((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method) \
80: )
81:
82: //
83: // Define the method codes for how buffers are passed for I/O and FS controls
84: //
85:
86: #define METHOD_BUFFERED 0
87: #define METHOD_IN_DIRECT 1
88: #define METHOD_OUT_DIRECT 2
89: #define METHOD_NEITHER 3
90:
91: //
92: // Define the access check value for any access
93: //
94: //
95: // The FILE_READ_ACCESS and FILE_WRITE_ACCESS constants are also defined in
96: // ntioapi.h as FILE_READ_DATA and FILE_WRITE_DATA. The values for these
97: // constants *MUST* always be in sync.
98: //
99:
100:
101: #define FILE_ANY_ACCESS 0
102: #define FILE_READ_ACCESS ( 0x0001 ) // file & pipe
103: #define FILE_WRITE_ACCESS ( 0x0002 ) // file & pipe
104:
105: #endif // _DEVIOCTL_
106:
107:
108: //
109: // IoControlCode values for this device.
110: //
111: // Warning: Remember that the low two bits of the code specify how the
112: // buffers are passed to the driver!
113: //
114:
115: #define IOCTL_DISK_BASE FILE_DEVICE_DISK
116: #define IOCTL_DISK_GET_DRIVE_GEOMETRY CTL_CODE(IOCTL_DISK_BASE, 0x0000, METHOD_BUFFERED, FILE_ANY_ACCESS)
117: #define IOCTL_DISK_GET_PARTITION_INFO CTL_CODE(IOCTL_DISK_BASE, 0x0001, METHOD_BUFFERED, FILE_READ_ACCESS)
118: #define IOCTL_DISK_SET_PARTITION_INFO CTL_CODE(IOCTL_DISK_BASE, 0x0002, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
119: #define IOCTL_DISK_GET_DRIVE_LAYOUT CTL_CODE(IOCTL_DISK_BASE, 0x0003, METHOD_BUFFERED, FILE_READ_ACCESS)
120: #define IOCTL_DISK_SET_DRIVE_LAYOUT CTL_CODE(IOCTL_DISK_BASE, 0x0004, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
121: #define IOCTL_DISK_VERIFY CTL_CODE(IOCTL_DISK_BASE, 0x0005, METHOD_BUFFERED, FILE_ANY_ACCESS)
122: #define IOCTL_DISK_FORMAT_TRACKS CTL_CODE(IOCTL_DISK_BASE, 0x0006, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
123: #define IOCTL_DISK_REASSIGN_BLOCKS CTL_CODE(IOCTL_DISK_BASE, 0x0007, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
124: #define IOCTL_DISK_PERFORMANCE CTL_CODE(IOCTL_DISK_BASE, 0x0008, METHOD_BUFFERED, FILE_ANY_ACCESS)
125: #define IOCTL_DISK_GET_DRIVE_LETTERS CTL_CODE(IOCTL_DISK_BASE, 0x0009, METHOD_BUFFERED, FILE_ANY_ACCESS)
126:
127: //
128: // The following device control codes are common for all class drivers. The
129: // functions codes defined here must match all of the other class drivers.
130: //
131:
132: #define IOCTL_DISK_CHECK_VERIFY CTL_CODE(IOCTL_DISK_BASE, 0x0201, METHOD_BUFFERED, FILE_READ_ACCESS)
133: #define IOCTL_DISK_RESERVE CTL_CODE(IOCTL_DISK_BASE, 0x0203, METHOD_BUFFERED, FILE_READ_ACCESS)
134: #define IOCTL_DISK_RELEASE CTL_CODE(IOCTL_DISK_BASE, 0x0204, METHOD_BUFFERED, FILE_READ_ACCESS)
135: #define IOCTL_DISK_MEDIA_REMOVAL CTL_CODE(IOCTL_DISK_BASE, 0x0205, METHOD_BUFFERED, FILE_READ_ACCESS)
136: #define IOCTL_DISK_EJECT_MEDIA CTL_CODE(IOCTL_DISK_BASE, 0x0206, METHOD_BUFFERED, FILE_READ_ACCESS)
137: #define IOCTL_DISK_LOAD_MEDIA CTL_CODE(IOCTL_DISK_BASE, 0x0207, METHOD_BUFFERED, FILE_READ_ACCESS)
138:
139: #define IOCTL_DISK_GET_MEDIA_TYPES CTL_CODE(IOCTL_DISK_BASE, 0x0401, METHOD_BUFFERED, FILE_READ_ACCESS)
140: #define IOCTL_DISK_UNLOAD_DRIVER CTL_CODE(IOCTL_DISK_BASE, 0x0402, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
141:
142: #define IOCTL_DISK_DBG_GET_STATISTICS CTL_CODE(IOCTL_DISK_BASE, 0x1000, METHOD_BUFFERED, FILE_ANY_ACCESS)
143: #define IOCTL_DISK_DBG_FIFO_TUNING CTL_CODE(IOCTL_DISK_BASE, 0x1001, METHOD_BUFFERED, FILE_ANY_ACCESS)
144: #define IOCTL_DISK_DBG_POWER_RECOVERY CTL_CODE(IOCTL_DISK_BASE, 0x1002, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
145:
146: //
147: // The following device control code is for the SIMBAD simulated bad
148: // sector facility. See SIMBAD.H in this directory for related structures.
149: //
150:
151: #define IOCTL_DISK_SIMBAD CTL_CODE(IOCTL_DISK_BASE, 0x1003, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
152:
153: //
154: // Define the partition types returnable by known disk drivers.
155: //
156:
157: #define PARTITION_ENTRY_UNUSED 0x00 // Entry unused
158: #define PARTITION_FAT_12 0x01 // 12-bit FAT entries
159: #define PARTITION_XENIX_1 0x02 // Xenix
160: #define PARTITION_XENIX_2 0x03 // Xenix
161: #define PARTITION_FAT_16 0x04 // 16-bit FAT entries
162: #define PARTITION_EXTENDED 0x05 // Extended partition entry
163: #define PARTITION_HUGE 0x06 // Huge partition MS-DOS V4
164: #define PARTITION_IFS 0x07 // IFS Partition
165: #define PARTITION_UNIX 0x63 // Unix
166:
167: #define VALID_NTFT 0xC0 // NTFT uses high order bits
168:
169: //
170: // The following macro is used to determine which partitions should be
171: // assigned drive letters.
172: //
173:
174: //++
175: //
176: // BOOLEAN
177: // IsRecognizedPartition(
178: // IN DWORD PartitionType
179: // )
180: //
181: // Routine Description:
182: //
183: // This macro is used to determine to which partitions drive letters
184: // should be assigned.
185: //
186: // Arguments:
187: //
188: // PartitionType - Supplies the type of the partition being examined.
189: //
190: // Return Value:
191: //
192: // The return value is TRUE if the partition type is recognized,
193: // otherwise FALSE is returned.
194: //
195: //--
196:
197: #define IsRecognizedPartition( PartitionType ) ( \
198: (((PartitionType & ~0xC0) == PARTITION_FAT_12) || \
199: ((PartitionType & ~0xC0) == PARTITION_FAT_16) || \
200: ((PartitionType & ~0xC0) == PARTITION_IFS) || \
201: ((PartitionType & ~0xC0) == PARTITION_HUGE)) )
202:
203: //
204: // The high bit of the partition type code indicates that a partition
205: // is part of an NTFT mirror or striped array.
206: //
207:
208: #define PARTITION_NTFT 0x80 // NTFT partition
209:
210: //
211: // Define the media types supported by the driver.
212: //
213:
214: typedef enum _MEDIA_TYPE {
215: Unknown, // Format is unknown
216: F5_1Pt2_512, // 5.25", 1.2MB, 512 bytes/sector
217: F3_1Pt44_512, // 3.5", 1.44MB, 512 bytes/sector
218: F3_2Pt88_512, // 3.5", 2.88MB, 512 bytes/sector
219: F3_20Pt8_512, // 3.5", 20.8MB, 512 bytes/sector
220: F3_720_512, // 3.5", 720KB, 512 bytes/sector
221: F5_360_512, // 5.25", 360KB, 512 bytes/sector
222: F5_320_512, // 5.25", 320KB, 512 bytes/sector
223: F5_320_1024, // 5.25", 320KB, 1024 bytes/sector
224: F5_180_512, // 5.25", 180KB, 512 bytes/sector
225: F5_160_512, // 5.25", 160KB, 512 bytes/sector
226: RemovableMedia, // Removable media other than floppy
227: FixedMedia // Fixed hard disk media
228: } MEDIA_TYPE, *PMEDIA_TYPE;
229:
230: //
231: // Define the input buffer structure for the driver, when
232: // it is called with IOCTL_DISK_FORMAT_TRACKS.
233: //
234:
235: typedef struct _FORMAT_PARAMETERS {
236: MEDIA_TYPE MediaType;
237: DWORD StartCylinderNumber;
238: DWORD EndCylinderNumber;
239: DWORD StartHeadNumber;
240: DWORD EndHeadNumber;
241: } FORMAT_PARAMETERS, *PFORMAT_PARAMETERS;
242:
243: //
244: // Define the BAD_TRACK_NUMBER type. An array of elements of this type is
245: // returned by the driver on IOCTL_DISK_FORMAT_TRACKS requests, to indicate
246: // what tracks were bad during formatting. The length of that array is
247: // reported in the `Information' field of the I/O Status Block.
248: //
249:
250: typedef WORD BAD_TRACK_NUMBER;
251: typedef WORD *PBAD_TRACK_NUMBER;
252:
253: //
254: // The following structure is returned on an IOCTL_DISK_GET_DRIVE_GEOMETRY
255: // request and an array of them is returned on an IOCTL_DISK_GET_MEDIA_TYPES
256: // request.
257: //
258:
259: typedef struct _DISK_GEOMETRY {
260: MEDIA_TYPE MediaType;
261: LARGE_INTEGER Cylinders;
262: DWORD TracksPerCylinder;
263: DWORD SectorsPerTrack;
264: DWORD BytesPerSector;
265: } DISK_GEOMETRY, *PDISK_GEOMETRY;
266:
267: //
268: // The following structure is returned on an IOCTL_DISK_GET_PARTITION_INFO
269: // and an IOCTL_DISK_GET_DRIVE_LAYOUT request. It is also used in a request
270: // to change the drive layout, IOCTL_DISK_SET_DRIVE_LAYOUT.
271: //
272:
273: typedef struct _PARTITION_INFORMATION {
274: BYTE PartitionType;
275: BOOLEAN BootIndicator;
276: BOOLEAN RecognizedPartition;
277: BOOLEAN RewritePartition;
278: LARGE_INTEGER StartingOffset;
279: LARGE_INTEGER PartitionLength;
280: LARGE_INTEGER HiddenSectors;
281: } PARTITION_INFORMATION, *PPARTITION_INFORMATION;
282:
283: //
284: // The following structure is used to change the partition type of a
285: // specified disk partition using an IOCTL_DISK_SET_PARTITION_INFO
286: // request.
287: //
288:
289: typedef struct _SET_PARTITION_INFORMATION {
290: BYTE PartitionType;
291: } SET_PARTITION_INFORMATION, *PSET_PARTITION_INFORMATION;
292:
293: //
294: // The following structures is returned on an IOCTL_DISK_GET_DRIVE_LAYOUT
295: // request and given as input to an IOCTL_DISK_SET_DRIVE_LAYOUT request.
296: //
297:
298: typedef struct _DRIVE_LAYOUT_INFORMATION {
299: DWORD PartitionCount;
300: DWORD Signature;
301: PARTITION_INFORMATION PartitionEntry[1];
302: } DRIVE_LAYOUT_INFORMATION, *PDRIVE_LAYOUT_INFORMATION;
303:
304: //
305: // The following structure is passed in on an IOCTL_DISK_VERIFY request.
306: // The offset and length parameters are both given in bytes.
307: //
308:
309: typedef struct _VERIFY_INFORMATION {
310: LARGE_INTEGER StartingOffset;
311: DWORD Length;
312: } VERIFY_INFORMATION, *PVERIFY_INFORMATION;
313:
314: //
315: // The following structure is passed in on an IOCTL_DISK_REASSIGN_BLOCKS
316: // request.
317: //
318:
319: typedef struct _REASSIGN_BLOCKS {
320: WORD Reserved;
321: WORD Count;
322: DWORD BlockNumber[1];
323: } REASSIGN_BLOCKS, *PREASSIGN_BLOCKS;
324:
325: //
326: // The following structure is exchanged on an IOCTL_DISK_GET_PERFORMANCE
327: // request.
328: //
329:
330: typedef struct _DISK_PERFORMANCE {
331: LARGE_INTEGER BytesRead;
332: LARGE_INTEGER BytesWritten;
333: LARGE_INTEGER ReadTime;
334: LARGE_INTEGER WriteTime;
335: DWORD ReadCount;
336: DWORD WriteCount;
337: DWORD QueueDepth;
338: } DISK_PERFORMANCE, *PDISK_PERFORMANCE;
339:
340:
341: #define FSCTL_LOCK_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 6, METHOD_BUFFERED, FILE_ANY_ACCESS)
342: #define FSCTL_UNLOCK_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 7, METHOD_BUFFERED, FILE_ANY_ACCESS)
343: #define FSCTL_DISMOUNT_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 8, METHOD_BUFFERED, FILE_ANY_ACCESS)
344:
345:
346: #endif // _WINIOCTL_
347:
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