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1.1 root 1: /*++
2:
3: Copyright (c) 1989 Microsoft Corporation
4:
5: Module Name:
6:
7: scsi.h
8:
9: Abstract:
10:
11: These are the structures and defines that are used in the
12: SCSI port and class drivers.
13:
14: Authors:
15:
16: John Freeman (johnfr) 28-Mar-90
17: Andre Vachon (andrev) 06-Jun-90
18: Mike Glass (mglass)
19: Jeff Havens (jhavens)
20:
21: Revision History:
22:
23: --*/
24: #ifndef _NTSCSI_
25: #define _NTSCSI_
26:
27: #include "srb.h"
28:
29: //
30: // Define SCSI maximum configuration parameters.
31: //
32:
33: #define SCSI_MAXIMUM_TARGETS 8
34: #define SCSI_MAXIMUM_LOGICAL_UNITS 8
35: #define SCSI_MAXIMUM_TARGETS_PER_BUS 32
36:
37: #define MAXIMUM_CDB_SIZE 12
38:
39: //
40: // Command Descriptor Block. Passed by SCSI controller chip over the SCSI bus
41: //
42:
43: typedef union _CDB {
44:
45: //
46: // Generic 6-Byte CDB
47: //
48:
49: struct _CDB6GENERIC {
50: UCHAR OperationCode;
51: UCHAR Immediate : 1;
52: UCHAR CommandUniqueBits : 4;
53: UCHAR LogicalUnitNumber : 3;
54: UCHAR CommandUniqueBytes[3];
55: UCHAR Link : 1;
56: UCHAR Flag : 1;
57: UCHAR Reserved : 4;
58: UCHAR VendorUnique : 2;
59: } CDB6GENERIC, *PCDB6GENERIC;
60:
61: //
62: // Standard 6-byte CDB
63: //
64:
65: struct _CDB6READWRITE {
66: UCHAR OperationCode;
67: UCHAR LogicalBlockMsb1 : 5;
68: UCHAR LogicalUnitNumber : 3;
69: UCHAR LogicalBlockMsb0;
70: UCHAR LogicalBlockLsb;
71: UCHAR TransferBlocks;
72: UCHAR Control;
73: } CDB6READWRITE, *PCDB6READWRITE;
74:
75:
76: //
77: // SCSI Inquiry CDB
78: //
79:
80: struct _CDB6INQUIRY {
81: UCHAR OperationCode;
82: UCHAR Reserved1 : 5;
83: UCHAR LogicalUnitNumber : 3;
84: UCHAR PageCode;
85: UCHAR IReserved;
86: UCHAR AllocationLength;
87: UCHAR Control;
88: } CDB6INQUIRY, *PCDB6INQUIRY;
89:
90: //
91: // SCSI Format CDB
92: //
93:
94: struct _CDB6FORMAT {
95: UCHAR OperationCode;
96: UCHAR FormatControl : 5;
97: UCHAR LogicalUnitNumber : 3;
98: UCHAR FReserved1;
99: UCHAR InterleaveMsb;
100: UCHAR InterleaveLsb;
101: UCHAR FReserved2;
102: } CDB6FORMAT, *PCDB6FORMAT;
103:
104: //
105: // Standard 10-byte CDB
106:
107: struct _CDB10 {
108: UCHAR OperationCode;
109: UCHAR RelativeAddress : 1;
110: UCHAR Reserved1 : 2;
111: UCHAR ForceUnitAccess : 1;
112: UCHAR DisablePageOut : 1;
113: UCHAR LogicalUnitNumber : 3;
114: UCHAR LogicalBlockByte0;
115: UCHAR LogicalBlockByte1;
116: UCHAR LogicalBlockByte2;
117: UCHAR LogicalBlockByte3;
118: UCHAR Reserved2;
119: UCHAR TransferBlocksMsb;
120: UCHAR TransferBlocksLsb;
121: UCHAR Control;
122: } CDB10, *PCDB10;
123:
124: //
125: // CD Rom Audio CDBs
126: //
127:
128: struct _PAUSE_RESUME {
129: UCHAR OperationCode;
130: UCHAR Reserved1 : 5;
131: UCHAR LogicalUnitNumber : 3;
132: UCHAR Reserved2[6];
133: UCHAR Action;
134: UCHAR Control;
135: } PAUSE_RESUME, *PPAUSE_RESUME;
136:
137: //
138: // Read Table of Contents
139: //
140:
141: struct _READ_TOC {
142: UCHAR OperationCode;
143: UCHAR Reserved0 : 1;
144: UCHAR Msf : 1;
145: UCHAR Reserved1 : 3;
146: UCHAR LogicalUnitNumber : 3;
147: UCHAR Reserved2[4];
148: UCHAR StartingTrack;
149: UCHAR AllocationLength[2];
150: UCHAR Control : 6;
151: UCHAR Format : 2;
152: } READ_TOC, *PREAD_TOC;
153:
154: struct _PLAY_AUDIO_MSF {
155: UCHAR OperationCode;
156: UCHAR Reserved1 : 5;
157: UCHAR LogicalUnitNumber : 3;
158: UCHAR Reserved2;
159: UCHAR StartingM;
160: UCHAR StartingS;
161: UCHAR StartingF;
162: UCHAR EndingM;
163: UCHAR EndingS;
164: UCHAR EndingF;
165: UCHAR Control;
166: } PLAY_AUDIO_MSF, *PPLAY_AUDIO_MSF;
167:
168: //
169: // Read SubChannel Data
170: //
171:
172: struct _SUBCHANNEL {
173: UCHAR OperationCode;
174: UCHAR Reserved0 : 1;
175: UCHAR Msf : 1;
176: UCHAR Reserved1 : 3;
177: UCHAR LogicalUnitNumber : 3;
178: UCHAR Reserved2 : 6;
179: UCHAR SubQ : 1;
180: UCHAR Reserved3 : 1;
181: UCHAR Format;
182: UCHAR Reserved4[2];
183: UCHAR TrackNumber;
184: UCHAR AllocationLength[2];
185: UCHAR Control;
186: } SUBCHANNEL, *PSUBCHANNEL;
187:
188: //
189: // Mode sense
190: //
191:
192: struct _MODE_SENSE {
193: UCHAR OperationCode;
194: UCHAR Reserved1 : 3;
195: UCHAR Dbd : 1;
196: UCHAR Reserved2 : 1;
197: UCHAR LogicalUnitNumber : 3;
198: UCHAR PageCode : 6;
199: UCHAR Pc : 2;
200: UCHAR Reserved3;
201: UCHAR AllocationLength;
202: UCHAR Control;
203: } MODE_SENSE, *PMODE_SENSE;
204:
205: //
206: // Mode select
207: //
208:
209: struct _MODE_SELECT {
210: UCHAR OperationCode;
211: UCHAR SPBit : 1;
212: UCHAR Reserved1 : 3;
213: UCHAR PFBit : 1;
214: UCHAR LogicalUnitNumber : 3;
215: UCHAR Reserved2[2];
216: UCHAR ParameterListLength;
217: UCHAR Control;
218: } MODE_SELECT, *PMODE_SELECT;
219:
220: struct _LOCATE {
221: UCHAR OperationCode;
222: UCHAR Immediate : 1;
223: UCHAR CPBit : 1;
224: UCHAR BTBit : 1;
225: UCHAR Reserved1 : 2;
226: UCHAR LogicalUnitNumber : 3;
227: UCHAR Reserved3;
228: UCHAR LogicalBlockAddress[4];
229: UCHAR Reserved4;
230: UCHAR Partition;
231: UCHAR Control;
232: } LOCATE, *PLOCATE;
233:
234: struct _LOGSENSE {
235: UCHAR OperationCode;
236: UCHAR SPBit : 1;
237: UCHAR PPCBit : 1;
238: UCHAR Reserved1 : 3;
239: UCHAR LogicalUnitNumber : 3;
240: UCHAR PageCode : 6;
241: UCHAR PCBit : 2;
242: UCHAR Reserved2;
243: UCHAR Reserved3;
244: UCHAR ParameterPointer[2]; // [0]=MSB, [1]=LSB
245: UCHAR AllocationLength[2]; // [0]=MSB, [1]=LSB
246: UCHAR Control;
247: } LOGSENSE, *PLOGSENSE;
248:
249: struct _PRINT {
250: UCHAR OperationCode;
251: UCHAR Reserved : 5;
252: UCHAR LogicalUnitNumber : 3;
253: UCHAR TransferLength[3];
254: UCHAR Control;
255: } PRINT, *PPRINT;
256:
257: struct _SEEK {
258: UCHAR OperationCode;
259: UCHAR Reserved1 : 5;
260: UCHAR LogicalUnitNumber : 3;
261: UCHAR LogicalBlockAddress[4];
262: UCHAR Reserved2[3];
263: UCHAR Control;
264: } SEEK, *PSEEK;
265:
266: struct _ERASE {
267: UCHAR OperationCode;
268: UCHAR Long : 1;
269: UCHAR Immediate : 1;
270: UCHAR Reserved1 : 3;
271: UCHAR LogicalUnitNumber : 3;
272: UCHAR Reserved2[3];
273: UCHAR Control;
274: } ERASE, *PERASE;
275:
276: struct _START_STOP {
277: UCHAR OperationCode;
278: UCHAR Immediate: 1;
279: UCHAR Reserved1 : 4;
280: UCHAR LogicalUnitNumber : 3;
281: UCHAR Reserved2[2];
282: UCHAR Start : 1;
283: UCHAR LoadEject : 1;
284: UCHAR Reserved3 : 6;
285: UCHAR Control;
286: } START_STOP, *PSTART_STOP;
287:
288: struct _MEDIA_REMOVAL {
289: UCHAR OperationCode;
290: UCHAR Reserved1 : 5;
291: UCHAR LogicalUnitNumber : 3;
292: UCHAR Reserved2[2];
293: UCHAR Prevent;
294: UCHAR Control;
295: } MEDIA_REMOVAL, *PMEDIA_REMOVAL;
296:
297: //
298: // Tape CDBs
299: //
300:
301: struct _SEEK_BLOCK {
302: UCHAR OperationCode;
303: UCHAR Immediate : 1;
304: UCHAR Reserved1 : 7;
305: UCHAR BlockAddress[3];
306: UCHAR Link : 1;
307: UCHAR Flag : 1;
308: UCHAR Reserved2 : 4;
309: UCHAR VendorUnique : 2;
310: } SEEK_BLOCK, *PSEEK_BLOCK;
311:
312: struct _REQUEST_BLOCK_ADDRESS {
313: UCHAR OperationCode;
314: UCHAR Reserved1[3];
315: UCHAR AllocationLength;
316: UCHAR Link : 1;
317: UCHAR Flag : 1;
318: UCHAR Reserved2 : 4;
319: UCHAR VendorUnique : 2;
320: } REQUEST_BLOCK_ADDRESS, *PREQUEST_BLOCK_ADDRESS;
321:
322: struct _PARTITION {
323: UCHAR OperationCode;
324: UCHAR Immediate : 1;
325: UCHAR Sel: 1;
326: UCHAR PartitionSelect : 6;
327: UCHAR Reserved1[3];
328: UCHAR Control;
329: } PARTITION, *PPARTITION;
330:
331: struct _WRITE_TAPE_MARKS {
332: UCHAR OperationCode;
333: UCHAR Immediate : 1;
334: UCHAR WriteSetMarks: 1;
335: UCHAR Reserved : 3;
336: UCHAR LogicalUnitNumber : 3;
337: UCHAR TransferLength[3];
338: UCHAR Control;
339: } WRITE_TAPE_MARKS, *PWRITE_TAPE_MARKS;
340:
341: struct _SPACE_TAPE_MARKS {
342: UCHAR OperationCode;
343: UCHAR Code : 3;
344: UCHAR Reserved : 2;
345: UCHAR LogicalUnitNumber : 3;
346: UCHAR NumMarksMSB ;
347: UCHAR NumMarks;
348: UCHAR NumMarksLSB;
349: union {
350: UCHAR value;
351: struct {
352: UCHAR Link : 1;
353: UCHAR Flag : 1;
354: UCHAR Reserved : 4;
355: UCHAR VendorUnique : 2;
356: } Fields;
357: } Byte6;
358: } SPACE_TAPE_MARKS, *PSPACE_TAPE_MARKS;
359:
360: //
361: // Read tape position
362: //
363:
364: struct _READ_POSITION {
365: UCHAR Operation;
366: UCHAR BlockType:1;
367: UCHAR Reserved1:4;
368: UCHAR Lun:3;
369: UCHAR Reserved2[7];
370: UCHAR Control;
371: } READ_POSITION, *PREAD_POSITION;
372:
373: //
374: // ReadWrite for Tape
375: //
376:
377: struct _CDB6READWRITETAPE {
378: UCHAR OperationCode;
379: UCHAR VendorSpecific : 5;
380: UCHAR Reserved : 3;
381: UCHAR TransferLenMSB;
382: UCHAR TransferLen;
383: UCHAR TransferLenLSB;
384: UCHAR Link : 1;
385: UCHAR Flag : 1;
386: UCHAR Reserved1 : 4;
387: UCHAR VendorUnique : 2;
388: } CDB6READWRITETAPE, *PCDB6READWRITETAPE;
389:
390: } CDB, *PCDB;
391:
392: //
393: // Command Descriptor Block constants.
394: //
395:
396: #define CDB6GENERIC_LENGTH 6
397: #define CDB10GENERIC_LENGTH 10
398:
399: #define SETBITON 1
400: #define SETBITOFF 0
401: //
402: // Mode Sense/Select page constants.
403: //
404:
405: #define MODE_PAGE_ERROR_RECOVERY 0x01
406: #define MODE_PAGE_DISCONNECT 0x02
407: #define MODE_PAGE_FORMAT_DEVICE 0x03
408: #define MODE_PAGE_RIGID_GEOMETRY 0x04
409: #define MODE_PAGE_FLEXIBILE 0x05
410: #define MODE_PAGE_VERIFY_ERROR 0x07
411: #define MODE_PAGE_CACHING 0x08
412: #define MODE_PAGE_PERIPHERAL 0x09
413: #define MODE_PAGE_CONTROL 0x0A
414: #define MODE_PAGE_MEDIUM_TYPES 0x0B
415: #define MODE_PAGE_NOTCH_PARTITION 0x0C
416: #define MODE_SENSE_RETURN_ALL 0x3f
417: #define MODE_SENSE_CURRENT_VALUES 0x00
418: #define MODE_SENSE_CHANGEABLE_VALUES 0x40
419: #define MODE_SENSE_DEFAULT_VAULES 0x80
420: #define MODE_SENSE_SAVED_VALUES 0xc0
421: #define MODE_PAGE_DEVICE_CONFIG 0x10
422: #define MODE_PAGE_MEDIUM_PARTITION 0x11
423: #define MODE_PAGE_DATA_COMPRESS 0x0f
424:
425: //
426: // SCSI CDB operation codes
427: //
428:
429: #define SCSIOP_TEST_UNIT_READY 0x00
430: #define SCSIOP_REZERO_UNIT 0x01
431: #define SCSIOP_REWIND 0x01
432: #define SCSIOP_REQUEST_BLOCK_ADDR 0x02
433: #define SCSIOP_REQUEST_SENSE 0x03
434: #define SCSIOP_FORMAT_UNIT 0x04
435: #define SCSIOP_READ_BLOCK_LIMITS 0x05
436: #define SCSIOP_REASSIGN_BLOCKS 0x07
437: #define SCSIOP_READ6 0x08
438: #define SCSIOP_RECEIVE 0x08
439: #define SCSIOP_WRITE6 0x0A
440: #define SCSIOP_PRINT 0x0A
441: #define SCSIOP_SEND 0x0A
442: #define SCSIOP_SEEK6 0x0B
443: #define SCSIOP_TRACK_SELECT 0x0B
444: #define SCSIOP_SLEW_PRINT 0x0B
445: #define SCSIOP_SEEK_BLOCK 0x0C
446: #define SCSIOP_PARTITION 0x0D
447: #define SCSIOP_READ_REVERSE 0x0F
448: #define SCSIOP_WRITE_FILEMARKS 0x10
449: #define SCSIOP_FLUSH_BUFFER 0x10
450: #define SCSIOP_SPACE 0x11
451: #define SCSIOP_INQUIRY 0x12
452: #define SCSIOP_VERIFY6 0x13
453: #define SCSIOP_RECOVER_BUF_DATA 0x14
454: #define SCSIOP_MODE_SELECT 0x15
455: #define SCSIOP_RESERVE_UNIT 0x16
456: #define SCSIOP_RELEASE_UNIT 0x17
457: #define SCSIOP_COPY 0x18
458: #define SCSIOP_ERASE 0x19
459: #define SCSIOP_MODE_SENSE 0x1A
460: #define SCSIOP_START_STOP_UNIT 0x1B
461: #define SCSIOP_STOP_PRINT 0x1B
462: #define SCSIOP_LOAD_UNLOAD 0x1B
463: #define SCSIOP_RECEIVE_DIAGNOSTIC 0x1C
464: #define SCSIOP_SEND_DIAGNOSTIC 0x1D
465: #define SCSIOP_MEDIUM_REMOVAL 0x1E
466: #define SCSIOP_READ_CAPACITY 0x25
467: #define SCSIOP_READ 0x28
468: #define SCSIOP_WRITE 0x2A
469: #define SCSIOP_SEEK 0x2B
470: #define SCSIOP_LOCATE 0x2B
471: #define SCSIOP_WRITE_VERIFY 0x2E
472: #define SCSIOP_VERIFY 0x2F
473: #define SCSIOP_SEARCH_DATA_HIGH 0x30
474: #define SCSIOP_SEARCH_DATA_EQUAL 0x31
475: #define SCSIOP_SEARCH_DATA_LOW 0x32
476: #define SCSIOP_SET_LIMITS 0x33
477: #define SCSIOP_READ_POSITION 0x34
478: #define SCSIOP_SYNCHRONIZE_CACHE 0x35
479: #define SCSIOP_COMPARE 0x39
480: #define SCSIOP_COPY_COMPARE 0x3A
481: #define SCSIOP_WRITE_DATA_BUFF 0x3B
482: #define SCSIOP_READ_DATA_BUFF 0x3C
483: #define SCSIOP_CHANGE_DEFINITION 0x40
484: #define SCSIOP_READ_SUB_CHANNEL 0x42
485: #define SCSIOP_READ_TOC 0x43
486: #define SCSIOP_READ_HEADER 0x44
487: #define SCSIOP_PLAY_AUDIO 0x45
488: #define SCSIOP_PLAY_AUDIO_MSF 0x47
489: #define SCSIOP_PLAY_TRACK_INDEX 0x48
490: #define SCSIOP_PLAY_TRACK_RELATIVE 0x49
491: #define SCSIOP_PAUSE_RESUME 0x4B
492: #define SCSIOP_LOG_SELECT 0x4C
493: #define SCSIOP_LOG_SENSE 0x4D
494:
495: //
496: // If the IMMED bit is 1, status is returned as soon
497: // as the operation is initiated. If the IMMED bit
498: // is 0, status is not returned until the operation
499: // is completed.
500: //
501:
502: #define CDB_RETURN_ON_COMPLETION 0
503: #define CDB_RETURN_IMMEDIATE 1
504:
505: //
506: // CDB Force media access used in extended read and write commands.
507: //
508:
509: #define CDB_FORCE_MEDIA_ACCESS 0x08
510:
511: //
512: // Denon CD ROM operation codes
513: //
514:
515: #define SCSIOP_DENON_EJECT_DISC 0xE6
516: #define SCSIOP_DENON_STOP_AUDIO 0xE7
517: #define SCSIOP_DENON_PLAY_AUDIO 0xE8
518: #define SCSIOP_DENON_READ_TOC 0xE9
519: #define SCSIOP_DENON_READ_SUBCODE 0xEB
520:
521: //
522: // SCSI Bus Messages
523: //
524:
525: #define SCSIMESS_ABORT 0x06
526: #define SCSIMESS_ABORT_WITH_TAG 0x0D
527: #define SCSIMESS_BUS_DEVICE_RESET 0X0C
528: #define SCSIMESS_CLEAR_QUEUE 0X0E
529: #define SCSIMESS_COMMAND_COMPLETE 0X00
530: #define SCSIMESS_DISCONNECT 0X04
531: #define SCSIMESS_EXTENDED_MESSAGE 0X01
532: #define SCSIMESS_IDENTIFY 0X80
533: #define SCSIMESS_IDENTIFY_WITH_DISCON 0XC0
534: #define SCSIMESS_IGNORE_WIDE_RESIDUE 0X23
535: #define SCSIMESS_INITIATE_RECOVERY 0X0F
536: #define SCSIMESS_INIT_DETECTED_ERROR 0X05
537: #define SCSIMESS_LINK_CMD_COMP 0X0A
538: #define SCSIMESS_LINK_CMD_COMP_W_FLAG 0X0B
539: #define SCSIMESS_MESS_PARITY_ERROR 0X09
540: #define SCSIMESS_MESSAGE_REJECT 0X07
541: #define SCSIMESS_NO_OPERATION 0X08
542: #define SCSIMESS_HEAD_OF_QUEUE_TAG 0X21
543: #define SCSIMESS_ORDERED_QUEUE_TAG 0X22
544: #define SCSIMESS_SIMPLE_QUEUE_TAG 0X20
545: #define SCSIMESS_RELEASE_RECOVERY 0X10
546: #define SCSIMESS_RESTORE_POINTERS 0X03
547: #define SCSIMESS_SAVE_DATA_POINTER 0X02
548: #define SCSIMESS_TERMINATE_IO_PROCESS 0X11
549:
550: //
551: // SCSI Extended Message operation codes
552: //
553:
554: #define SCSIMESS_MODIFY_DATA_POINTER 0X00
555: #define SCSIMESS_SYNCHRONOUS_DATA_REQ 0X01
556: #define SCSIMESS_WIDE_DATA_REQUEST 0X03
557:
558: //
559: // SCSI Extended Message Lengths
560: //
561:
562: #define SCSIMESS_MODIFY_DATA_LENGTH 5
563: #define SCSIMESS_SYNCH_DATA_LENGTH 3
564: #define SCSIMESS_WIDE_DATA_LENGTH 2
565:
566: //
567: // SCSI extended message structure
568: //
569:
570: #pragma pack (1)
571: typedef struct _SCSI_EXTENDED_MESSAGE {
572: UCHAR InitialMessageCode;
573: UCHAR MessageLength;
574: UCHAR MessageType;
575: union _EXTENDED_ARGUMENTS {
576:
577: struct {
578: UCHAR Modifier[4];
579: } Modify;
580:
581: struct {
582: UCHAR TransferPeriod;
583: UCHAR ReqAckOffset;
584: } Synchronous;
585:
586: struct{
587: UCHAR Width;
588: } Wide;
589: }ExtendedArguments;
590: }SCSI_EXTENDED_MESSAGE, *PSCSI_EXTENDED_MESSAGE;
591: #pragma pack ()
592:
593: //
594: // SCSI bus status codes.
595: //
596:
597: #define SCSISTAT_GOOD 0x00
598: #define SCSISTAT_CHECK_CONDITION 0x02
599: #define SCSISTAT_CONDITION_MET 0x04
600: #define SCSISTAT_BUSY 0x08
601: #define SCSISTAT_INTERMEDIATE 0x10
602: #define SCSISTAT_INTERMEDIATE_COND_MET 0x14
603: #define SCSISTAT_RESERVATION_CONFLICT 0x18
604: #define SCSISTAT_COMMAND_TERMINATED 0x22
605: #define SCSISTAT_QUEUE_FULL 0x28
606:
607: //
608: // Enable Vital Product Data Flag (EVPD)
609: // used with INQUIRY command.
610: //
611:
612: #define CDB_INQUIRY_EVPD 0x01
613:
614: //
615: // Defines for format CDB
616: //
617:
618: #define LUN0_FORMAT_SAVING_DEFECT_LIST 0
619: #define USE_DEFAULTMSB 0
620: #define USE_DEFAULTLSB 0
621:
622: #define START_UNIT_CODE 0x01
623: #define STOP_UNIT_CODE 0x00
624:
625: //
626: // Inquiry buffer structure. This is the data returned from the target
627: // after it receives an inquiry.
628: //
629: // This structure may be extended by the number of bytes specified
630: // in the field AdditionalLength. The defined size constant only
631: // includes fields through ProductRevisionLevel.
632: //
633: // The NT SCSI drivers are only interested in the first 36 bytes of data.
634: //
635:
636: #define INQUIRYDATABUFFERSIZE 36
637:
638: typedef struct _INQUIRYDATA {
639: UCHAR DeviceType : 5;
640: UCHAR DeviceTypeQualifier : 3;
641: UCHAR DeviceTypeModifier : 7;
642: UCHAR RemovableMedia : 1;
643: UCHAR Versions;
644: UCHAR ResponseDataFormat;
645: UCHAR AdditionalLength;
646: UCHAR Reserved[2];
647: UCHAR SoftReset : 1;
648: UCHAR CommandQueue : 1;
649: UCHAR Reserved2 : 1;
650: UCHAR LinkedCommands : 1;
651: UCHAR Synchronous : 1;
652: UCHAR Wide16Bit : 1;
653: UCHAR Wide32Bit : 1;
654: UCHAR RelativeAddressing : 1;
655: UCHAR VendorId[8];
656: UCHAR ProductId[16];
657: UCHAR ProductRevisionLevel[4];
658: UCHAR VendorSpecific[20];
659: UCHAR Reserved3[40];
660: } INQUIRYDATA, *PINQUIRYDATA;
661:
662: //
663: // Inquiry defines. Used to interpret data returned from target as result
664: // of inquiry command.
665: //
666: // DeviceType field
667: //
668:
669: #define DIRECT_ACCESS_DEVICE 0x00 // disks
670: #define SEQUENTIAL_ACCESS_DEVICE 0x01 // tapes
671: #define PRINTER_DEVICE 0x02 // printers
672: #define PROCESSOR_DEVICE 0x03 // scanners, printers, etc
673: #define WRITE_ONCE_READ_MULTIPLE_DEVICE 0x04 // worms
674: #define READ_ONLY_DIRECT_ACCESS_DEVICE 0x05 // cdroms
675: #define SCANNER_DEVICE 0x06 // scanners
676: #define OPTICAL_DEVICE 0x07 // optical disks
677: #define MEDIUM_CHANGER 0x08 // jukebox
678: #define COMMUNICATION_DEVICE 0x09 // network
679: #define LOGICAL_UNIT_NOT_PRESENT_DEVICE 0x7F
680: #define DEVICE_QUALIFIER_NOT_SUPPORTED 0x03
681:
682: //
683: // DeviceTypeQualifier field
684: //
685:
686: #define DEVICE_CONNECTED 0x00
687:
688: //
689: // Sense Data Format
690: //
691:
692: typedef struct _SENSE_DATA {
693: UCHAR ErrorCode:7;
694: UCHAR Valid:1;
695: UCHAR SegmentNumber;
696: UCHAR SenseKey:4;
697: UCHAR Reserved:1;
698: UCHAR IncorrectLength:1;
699: UCHAR EndOfMedia:1;
700: UCHAR FileMark:1;
701: UCHAR Information[4];
702: UCHAR AdditionalSenseLength;
703: UCHAR CommandSpecificInformation[4];
704: UCHAR AdditionalSenseCode;
705: UCHAR AdditionalSenseCodeQualifier;
706: UCHAR FieldReplaceableUnitCode;
707: UCHAR SenseKeySpecific[3];
708: } SENSE_DATA, *PSENSE_DATA;
709:
710: //
711: // Default request sense buffer size
712: //
713:
714: #define SENSE_BUFFER_SIZE 18
715:
716: //
717: // Sense codes
718: //
719:
720: #define SCSI_SENSE_NO_SENSE 0x00
721: #define SCSI_SENSE_RECOVERED_ERROR 0x01
722: #define SCSI_SENSE_NOT_READY 0x02
723: #define SCSI_SENSE_MEDIUM_ERROR 0x03
724: #define SCSI_SENSE_HARDWARE_ERROR 0x04
725: #define SCSI_SENSE_ILLEGAL_REQUEST 0x05
726: #define SCSI_SENSE_UNIT_ATTENTION 0x06
727: #define SCSI_SENSE_DATA_PROTECT 0x07
728: #define SCSI_SENSE_BLANK_CHECK 0x08
729: #define SCSI_SENSE_UNIQUE 0x09
730: #define SCSI_SENSE_COPY_ABORTED 0x0A
731: #define SCSI_SENSE_ABORTED_COMMAND 0x0B
732: #define SCSI_SENSE_EQUAL 0x0C
733: #define SCSI_SENSE_VOL_OVERFLOW 0x0D
734: #define SCSI_SENSE_MISCOMPARE 0x0E
735: #define SCSI_SENSE_RESERVED 0x0F
736:
737: //
738: // Additional tape bit
739: //
740:
741: #define SCSI_ILLEGAL_LENGTH 0x20
742: #define SCSI_EOM 0x40
743: #define SCSI_FILE_MARK 0x80
744:
745: //
746: // Additional Sense codes
747: //
748:
749: #define SCSI_ADSENSE_NO_SENSE 0x00
750: #define SCSI_ADSENSE_LUN_NOT_READY 0x04
751: #define SCSI_ADSENSE_ILLEGAL_COMMAND 0x20
752: #define SCSI_ADSENSE_ILLEGAL_BLOCK 0x21
753: #define SCSI_ADSENSE_INVALID_LUN 0x25
754: #define SCSI_ADSENSE_MUSIC_AREA 0xA0
755: #define SCSI_ADSENSE_DATA_AREA 0xA1
756: #define SCSI_ADSENSE_VOLUME_OVERFLOW 0xA7
757:
758: #define SCSI_ADSENSE_NO_MEDIA_IN_DEVICE 0x3a
759: #define SCSI_ADWRITE_PROTECT 0x27
760: #define SCSI_ADSENSE_MEDIUM_CHANGED 0x28
761: #define SCSI_ADSENSE_BUS_RESET 0x29
762: #define SCSI_ADSENSE_TRACK_ERROR 0x14
763: #define SCSI_ADSENSE_SEEK_ERROR 0x15
764: #define SCSI_ADSENSE_REC_DATA_NOECC 0x17
765: #define SCSI_ADSENSE_REC_DATA_ECC 0x18
766:
767: //
768: // Additional sense code qualifier
769: //
770:
771: #define SCSI_SENSEQ_FORMAT_IN_PROGRESS 0x04
772: #define SCSI_SENSEQ_INIT_COMMAND_REQUIRED 0x02
773: #define SCSI_SENSEQ_MANUAL_INTERVENTION_REQUIRED 0x03
774: #define SCSI_SENSEQ_BECOMING_READY 0x01
775: #define SCSI_SENSEQ_FILEMARK_DETECTED 0x01
776: #define SCSI_SENSEQ_SETMARK_DETECTED 0x03
777: #define SCSI_SENSEQ_END_OF_MEDIA_DETECTED 0x02
778: #define SCSI_SENSEQ_BEGINNING_OF_MEDIA_DETECTED 0x04
779:
780: //
781: // SCSI IO Device Control Codes
782: //
783:
784: #define FILE_DEVICE_SCSI 0x0000001b
785:
786: #define IOCTL_SCSI_EXECUTE_IN ((FILE_DEVICE_SCSI << 16) + 0x0011)
787: #define IOCTL_SCSI_EXECUTE_OUT ((FILE_DEVICE_SCSI << 16) + 0x0012)
788: #define IOCTL_SCSI_EXECUTE_NONE ((FILE_DEVICE_SCSI << 16) + 0x0013)
789:
790: //
791: // Read Capacity Data - returned in Big Endian format
792: //
793:
794: typedef struct _READ_CAPACITY_DATA {
795: ULONG LogicalBlockAddress;
796: ULONG BytesPerBlock;
797: } READ_CAPACITY_DATA, *PREAD_CAPACITY_DATA;
798:
799:
800: //
801: // Read Block Limits Data - returned in Big Endian format
802: // This structure returns the maximum and minimum block
803: // size for a TAPE device.
804: //
805:
806: typedef struct _READ_BLOCK_LIMITS {
807: UCHAR Reserved;
808: UCHAR BlockMaximumSize[3];
809: UCHAR BlockMinimumSize[2];
810: } READ_BLOCK_LIMITS_DATA, *PREAD_BLOCK_LIMITS_DATA;
811:
812: //
813: // Mode data structures.
814: //
815:
816: //
817: // Define Mode parameter header.
818: //
819:
820: typedef struct _MODE_PARAMETER_HEADER {
821: UCHAR ModeDataLength;
822: UCHAR MediumType;
823: UCHAR DeviceSpecificParameter;
824: UCHAR BlockDescriptorLength;
825: }MODE_PARAMETER_HEADER, *PMODE_PARAMETER_HEADER;
826:
827: #define MODE_FD_SINGLE_SIDE 0x01
828: #define MODE_FD_DOUBLE_SIDE 0x02
829: #define MODE_FD_MAXIMUM_TYPE 0x1E
830: #define MODE_DSP_FUA_SUPPORTED 0x10
831: #define MODE_DSP_WRITE_PROTECT 0x80
832:
833: //
834: // Define the mode parameter block.
835: //
836:
837: typedef struct _MODE_PARAMETER_BLOCK {
838: UCHAR DensityCode;
839: UCHAR NumberOfBlocks[3];
840: UCHAR Reserved;
841: UCHAR BlockLength[3];
842: }MODE_PARAMETER_BLOCK, *PMODE_PARAMETER_BLOCK;
843:
844: //
845: // Define Disconnect-Reconnect page.
846: //
847:
848: typedef struct _MODE_DISCONNECT_PAGE {
849: UCHAR PageCode : 6;
850: UCHAR Reserved : 1;
851: UCHAR PageSavable : 1;
852: UCHAR PageLength;
853: UCHAR BufferFullRatio;
854: UCHAR BufferEmptyRatio;
855: UCHAR BusInactivityLimit[2];
856: UCHAR BusDisconnectTime[2];
857: UCHAR BusConnectTime[2];
858: UCHAR MaximumBurstSize[2];
859: UCHAR DataTransferDisconnect : 2;
860: UCHAR Reserved2[3];
861: }MODE_DISCONNECT_PAGE, *PMODE_DISCONNECT_PAGE;
862:
863: //
864: // Define mode caching page.
865: //
866:
867: typedef struct _MODE_CACHING_PAGE {
868: UCHAR PageCode : 6;
869: UCHAR Reserved : 1;
870: UCHAR PageSavable : 1;
871: UCHAR PageLength;
872: UCHAR ReadDisableCache : 1;
873: UCHAR MultiplicationFactor : 1;
874: UCHAR WriteCacheEnable : 1;
875: UCHAR Reserved2 : 5;
876: UCHAR WriteRetensionPriority : 4;
877: UCHAR ReadRetensionPriority : 4;
878: UCHAR DisablePrefetchTransfer[2];
879: UCHAR MinimumPrefectch[2];
880: UCHAR MaximumPrefectch[2];
881: UCHAR MaximumPrefectchCeil[2];
882: }MODE_CACHING_PAGE, *PMODE_CACHING_PAGE;
883:
884: //
885: // Define mode flexible disk page.
886: //
887:
888: typedef struct _MODE_FLEXIBLE_DISK_PAGE {
889: UCHAR PageCode : 6;
890: UCHAR Reserved : 1;
891: UCHAR PageSavable : 1;
892: UCHAR PageLength;
893: UCHAR TransferRate[2];
894: UCHAR NumberOfHeads;
895: UCHAR SectorsPerTrack;
896: UCHAR BytesPerSector[2];
897: UCHAR NumberOfCylinders[2];
898: UCHAR StartWritePrecom[2];
899: UCHAR StartReducedCurrent[2];
900: UCHAR StepRate[2];
901: UCHAR StepPluseWidth;
902: UCHAR HeadSettleDelay[2];
903: UCHAR MotorOnDelay;
904: UCHAR MotorOffDelay;
905: UCHAR Reserved2 : 5;
906: UCHAR MotorOnAsserted : 1;
907: UCHAR StartSectorNumber : 1;
908: UCHAR TrueReadySignal : 1;
909: UCHAR StepPlusePerCyclynder : 4;
910: UCHAR Reserved3 : 4;
911: UCHAR WriteCompenstation;
912: UCHAR HeadLoadDelay;
913: UCHAR HeadUnloadDelay;
914: UCHAR Pin2Usage : 4;
915: UCHAR Pin34Usage : 4;
916: UCHAR Pin1Usage : 4;
917: UCHAR Pin4Usage : 4;
918: UCHAR MediumRotationRate[2];
919: UCHAR Reserved4[2];
920: }MODE_FLEXIBLE_DISK_PAGE, *PMODE_FLEXIBLE_DISK_PAGE;
921:
922: //
923: // Define mode format page.
924: //
925:
926: typedef struct _MODE_FORMAT_PAGE {
927: UCHAR PageCode : 6;
928: UCHAR Reserved : 1;
929: UCHAR PageSavable : 1;
930: UCHAR PageLength;
931: UCHAR TracksPerZone[2];
932: UCHAR AlternetSectorsPerZone[2];
933: UCHAR AlternetTracksPerZone[2];
934: UCHAR SectorsPerTrack[2];
935: UCHAR BytesPerPhysicalSector[2];
936: UCHAR Interleave[2];
937: UCHAR TrackSkewFactor[2];
938: UCHAR CylinderSkewFactor[2];
939: UCHAR Reserved2 : 4;
940: UCHAR SurfaceFirst : 1;
941: UCHAR RemovableMedia : 1;
942: UCHAR HardSectorFormating : 1;
943: UCHAR SoftSectorFormating : 1;
944: UCHAR Reserved3[2];
945: }MODE_FORMAT_PAGE, *PMODE_FORMAT_PAGE;
946:
947: //
948: // Define rigid disk driver geometry page.
949: //
950:
951: typedef struct _MODE_RIGID_GEOMETRY_PAGE {
952: UCHAR PageCode : 6;
953: UCHAR Reserved : 1;
954: UCHAR PageSavable : 1;
955: UCHAR PageLength;
956: UCHAR NumberOfCylinders[2];
957: UCHAR NumberOfHeads;
958: UCHAR StartWritePrecom[2];
959: UCHAR StartReducedCurrent[2];
960: UCHAR DriveStepRate[2];
961: UCHAR LandZoneCyclinder[2];
962: UCHAR RotationalPositionLock : 2;
963: UCHAR Reserved2 : 6;
964: UCHAR RotationOffset;
965: UCHAR Reserved3;
966: UCHAR RoataionRate[2];
967: UCHAR Reserved4[2];
968: }MODE_RIGID_GEOMETRY_PAGE, *PMODE_RIGID_GEOMETRY_PAGE;
969:
970: //
971: // Define read write recovery page
972: //
973:
974: typedef struct _MODE_READ_WRITE_RECOVERY_PAGE {
975:
976: UCHAR PageCode : 6;
977: UCHAR Reserved1 : 1;
978: UCHAR PSBit : 1;
979: UCHAR PageLength;
980: UCHAR DCRBit : 1;
981: UCHAR DTEBit : 1;
982: UCHAR PERBit : 1;
983: UCHAR EERBit : 1;
984: UCHAR Reserved2 : 1;
985: UCHAR TBBit : 1;
986: UCHAR Reserved3 : 2;
987: UCHAR ReadRetryCount;
988: UCHAR Reserved4[4];
989: UCHAR WriteRetryCount;
990: UCHAR Reserved5[3];
991:
992: } MODE_READ_WRITE_RECOVERY_PAGE, *PMODE_READ_WRITE_RECOVERY_PAGE;
993:
994: //
995: // Mode parameter list block descriptor -
996: // set the block length for reading/writing
997: //
998: //
999:
1000: #define MODE_BLOCK_DESC_LENGTH 8
1001:
1002: typedef struct _MODE_PARM_READ_WRITE {
1003:
1004: MODE_PARAMETER_HEADER ParameterListHeader; // List Header Format
1005: MODE_PARAMETER_BLOCK ParameterListBlock; // List Block Descriptor
1006:
1007: } MODE_PARM_READ_WRITE_DATA, *PMODE_PARM_READ_WRITE_DATA;
1008:
1009: //
1010: // CDROM audio control (0x0E)
1011: //
1012:
1013: #define CDB_AUDIO_PAUSE 0
1014: #define CDB_AUDIO_RESUME 1
1015:
1016: #define CDB_DEVICE_START 0x11
1017: #define CDB_DEVICE_STOP 0x10
1018:
1019: #define CDB_EJECT_MEDIA 0x10
1020: #define CDB_LOAD_MEDIA 0x01
1021:
1022: #define CDB_SUBCHANNEL_HEADER 0x00
1023: #define CDB_SUBCHANNEL_BLOCK 0x01
1024:
1025: #define CDROM_AUDIO_CONTROL_PAGE 0x0E
1026: #define MODE_SELECT_IMMEDIATE 0x04
1027: #define MODE_SELECT_PFBIT 0x10
1028:
1029: #define CDB_USE_MSF 0x01
1030:
1031: typedef struct _PORT_OUTPUT {
1032: UCHAR ChannelSelection;
1033: UCHAR Volume;
1034: } PORT_OUTPUT, *PPORT_OUTPUT;
1035:
1036: typedef struct _AUDIO_OUTPUT {
1037: UCHAR CodePage;
1038: UCHAR ParameterLength;
1039: UCHAR Immediate;
1040: UCHAR Reserved[2];
1041: UCHAR LbaFormat;
1042: UCHAR LogicalBlocksPerSecond[2];
1043: PORT_OUTPUT PortOutput[4];
1044: } AUDIO_OUTPUT, *PAUDIO_OUTPUT;
1045:
1046: //
1047: // Multisession CDROM
1048: //
1049:
1050: #define GET_LAST_SESSION 0x01
1051: #define GET_SESSION_DATA 0x02;
1052:
1053: //
1054: // Tape definitions
1055: //
1056:
1057: typedef struct _TAPE_POSITION_DATA {
1058: UCHAR Reserved1:2;
1059: UCHAR BlockPositionUnsupported:1;
1060: UCHAR Reserved2:3;
1061: UCHAR EndOfPartition:1;
1062: UCHAR BeginningOfPartition:1;
1063: UCHAR PartitionNumber;
1064: USHORT Reserved3;
1065: UCHAR FirstBlock[4];
1066: UCHAR LastBlock[4];
1067: UCHAR Reserved4;
1068: UCHAR NumberOfBlocks[3];
1069: UCHAR NumberOfBytes[4];
1070: } TAPE_POSITION_DATA, *PTAPE_POSITION_DATA;
1071:
1072: //
1073: // Byte reversing macro for converting
1074: // between big- and little-endian formats
1075: //
1076:
1077: #define REVERSE_BYTES(Destination, Source) { \
1078: (Destination)->Byte3 = (Source)->Byte0; \
1079: (Destination)->Byte2 = (Source)->Byte1; \
1080: (Destination)->Byte1 = (Source)->Byte2; \
1081: (Destination)->Byte0 = (Source)->Byte3; \
1082: }
1083:
1084: //
1085: // This structure is used to convert little endian
1086: // ULONGs to SCSI CDB 4 byte big endians values.
1087: //
1088:
1089: typedef struct _FOUR_BYTE {
1090: UCHAR Byte0;
1091: UCHAR Byte1;
1092: UCHAR Byte2;
1093: UCHAR Byte3;
1094: } FOUR_BYTE, *PFOUR_BYTE;
1095:
1096: //
1097: // This macro has the effect of Bit = log2(Data)
1098: //
1099:
1100: #define WHICH_BIT(Data, Bit) { \
1101: for (Bit = 0; Bit < 32; Bit++) { \
1102: if ((Data >> Bit) == 1) { \
1103: break; \
1104: } \
1105: } \
1106: }
1107:
1108: #endif
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