File: /usr/src/linux/drivers/message/fusion/scsi3.h
1 /*
2 * linux/drivers/message/fusion/scsi3.h
3 * SCSI-3 definitions and macros.
4 * (Ultimately) SCSI-3 definitions; for now, inheriting
5 * SCSI-2 definitions.
6 *
7 * Copyright (c) 1996-2001 Steven J. Ralston
8 * Written By: Steven J. Ralston (19960517)
9 * (mailto:Steve.Ralston@lsil.com)
10 *
11 * $Id: scsi3.h,v 1.5 2001/04/06 14:31:32 sralston Exp $
12 */
13
14 #ifndef SCSI3_H_INCLUDED
15 #define SCSI3_H_INCLUDED
16 /***************************************************************************/
17
18 /****************************************************************************
19 *
20 * Includes
21 */
22 #ifdef __KERNEL__
23 #include <linux/types.h>
24 #else
25 #ifndef U_STUFF_DEFINED
26 #define U_STUFF_DEFINED
27 typedef unsigned char u8;
28 typedef unsigned short u16;
29 typedef unsigned int u32;
30 #endif
31 #endif
32
33 /****************************************************************************
34 *
35 * Defines
36 */
37
38 /*
39 * SCSI Commands
40 */
41 #define CMD_TestUnitReady 0x00
42 #define CMD_RezeroUnit 0x01 /* direct-access devices */
43 #define CMD_Rewind 0x01 /* sequential-access devices */
44 #define CMD_RequestSense 0x03
45 #define CMD_FormatUnit 0x04
46 #define CMD_ReassignBlock 0x07
47 #define CMD_Read6 0x08
48 #define CMD_Write6 0x0A
49 #define CMD_WriteFilemark 0x10
50 #define CMD_Space 0x11
51 #define CMD_Inquiry 0x12
52 #define CMD_ModeSelect6 0x15
53 #define CMD_ModeSense6 0x1A
54 #define CMD_Reserve6 0x16
55 #define CMD_Release6 0x17
56 #define CMD_Erase 0x19
57 #define CMD_StartStopUnit 0x1b /* direct-access devices */
58 #define CMD_LoadUnload 0x1b /* sequential-access devices */
59 #define CMD_ReceiveDiagnostic 0x1C
60 #define CMD_SendDiagnostic 0x1D
61 #define CMD_ReadCapacity 0x25
62 #define CMD_Read10 0x28
63 #define CMD_Write10 0x2A
64 #define CMD_WriteVerify 0x2E
65 #define CMD_Verify 0x2F
66 #define CMD_ReadDefectData 0x37
67 #define CMD_ReadLong 0x3E
68 #define CMD_LogSelect 0x4C
69 #define CMD_LogSense 0x4D
70 #define CMD_ModeSelect10 0x55
71 #define CMD_Reserve10 0x56
72 #define CMD_Release10 0x57
73 #define CMD_ModeSense10 0x5A
74 #define CMD_PersistReserveIn 0x5E
75 #define CMD_PersistReserveOut 0x5F
76 #define CMD_ReportLuns 0xA0
77
78 /*
79 * Control byte field
80 */
81 #define CONTROL_BYTE_NACA_BIT 0x04
82 #define CONTROL_BYTE_Flag_BIT 0x02
83 #define CONTROL_BYTE_Link_BIT 0x01
84
85 /*
86 * SCSI Messages
87 */
88 #define MSG_COMPLETE 0x00
89 #define MSG_EXTENDED 0x01
90 #define MSG_SAVE_POINTERS 0x02
91 #define MSG_RESTORE_POINTERS 0x03
92 #define MSG_DISCONNECT 0x04
93 #define MSG_IDERROR 0x05
94 #define MSG_ABORT 0x06
95 #define MSG_REJECT 0x07
96 #define MSG_NOP 0x08
97 #define MSG_PARITY_ERROR 0x09
98 #define MSG_LINKED_CMD_COMPLETE 0x0a
99 #define MSG_LCMD_COMPLETE_W_FLG 0x0b
100 #define MSG_BUS_DEVICE_RESET 0x0c
101 #define MSG_ABORT_TAG 0x0d
102 #define MSG_CLEAR_QUEUE 0x0e
103 #define MSG_INITIATE_RECOVERY 0x0f
104
105 #define MSG_RELEASE_RECOVRY 0x10
106 #define MSG_TERMINATE_IO 0x11
107
108 #define MSG_SIMPLE_QUEUE 0x20
109 #define MSG_HEAD_OF_QUEUE 0x21
110 #define MSG_ORDERED_QUEUE 0x22
111 #define MSG_IGNORE_WIDE_RESIDUE 0x23
112
113 #define MSG_IDENTIFY 0x80
114 #define MSG_IDENTIFY_W_DISC 0xc0
115
116 /*
117 * SCSI Phases
118 */
119 #define PHS_DATA_OUT 0x00
120 #define PHS_DATA_IN 0x01
121 #define PHS_COMMAND 0x02
122 #define PHS_STATUS 0x03
123 #define PHS_MSG_OUT 0x06
124 #define PHS_MSG_IN 0x07
125
126 /*
127 * Statuses
128 */
129 #define STS_GOOD 0x00
130 #define STS_CHECK_CONDITION 0x02
131 #define STS_CONDITION_MET 0x04
132 #define STS_BUSY 0x08
133 #define STS_INTERMEDIATE 0x10
134 #define STS_INTERMEDIATE_CONDITION_MET 0x14
135 #define STS_RESERVATION_CONFLICT 0x18
136 #define STS_COMMAND_TERMINATED 0x22
137 #define STS_TASK_SET_FULL 0x28
138 #define STS_QUEUE_FULL 0x28
139 #define STS_ACA_ACTIVE 0x30
140
141 #define STS_VALID_MASK 0x3e
142
143 #define SCSI_STATUS(x) ((x) & STS_VALID_MASK)
144
145 /*
146 * SCSI QTag Types
147 */
148 #define QTAG_SIMPLE 0x20
149 #define QTAG_HEAD_OF_Q 0x21
150 #define QTAG_ORDERED 0x22
151
152 /*
153 * SCSI Sense Key Definitons
154 */
155 #define SK_NO_SENSE 0x00
156 #define SK_RECOVERED_ERROR 0x01
157 #define SK_NOT_READY 0x02
158 #define SK_MEDIUM_ERROR 0x03
159 #define SK_HARDWARE_ERROR 0x04
160 #define SK_ILLEGAL_REQUEST 0x05
161 #define SK_UNIT_ATTENTION 0x06
162 #define SK_DATA_PROTECT 0x07
163 #define SK_BLANK_CHECK 0x08
164 #define SK_VENDOR_SPECIFIC 0x09
165 #define SK_COPY_ABORTED 0x0a
166 #define SK_ABORTED_COMMAND 0x0b
167 #define SK_EQUAL 0x0c
168 #define SK_VOLUME_OVERFLOW 0x0d
169 #define SK_MISCOMPARE 0x0e
170 #define SK_RESERVED 0x0f
171
172
173
174 #define SCSI_MAX_INQUIRY_BYTES 96
175 #define SCSI_STD_INQUIRY_BYTES 36
176
177 #undef USE_SCSI_COMPLETE_INQDATA
178 /*
179 * Structure definition for SCSI Inquiry Data
180 *
181 * NOTE: The following structure is 96 bytes in size
182 * iff USE_SCSI_COMPLETE_INQDATA IS defined above (i.e. w/ "#define").
183 * If USE_SCSI_COMPLETE_INQDATA is NOT defined above (i.e. w/ "#undef")
184 * then the following structure is only 36 bytes in size.
185 * THE CHOICE IS YOURS!
186 */
187 typedef struct SCSI_Inquiry_Data
188 {
189 #ifdef USE_SCSI_COMPLETE_INQDATA
190 u8 InqByte[SCSI_MAX_INQUIRY_BYTES];
191 #else
192 u8 InqByte[SCSI_STD_INQUIRY_BYTES];
193 #endif
194
195 /*
196 * the following structure works only for little-endian (Intel,
197 * LSB first (1234) byte order) systems with 4-byte ints.
198 *
199 u32 Periph_Device_Type : 5,
200 Periph_Qualifier : 3,
201 Device_Type_Modifier : 7,
202 Removable_Media : 1,
203 ANSI_Version : 3,
204 ECMA_Version : 3,
205 ISO_Version : 2,
206 Response_Data_Format : 4,
207 reserved_0 : 3,
208 AERC : 1 ;
209 u32 Additional_Length : 8,
210 reserved_1 :16,
211 SftReset : 1,
212 CmdQue : 1,
213 reserved_2 : 1,
214 Linked : 1,
215 Sync : 1,
216 WBus16 : 1,
217 WBus32 : 1,
218 RelAdr : 1 ;
219 u8 Vendor_ID[8];
220 u8 Product_ID[16];
221 u8 Revision_Level [4];
222 #ifdef USE_SCSI_COMPLETE_INQDATA
223 u8 Vendor_Specific[20];
224 u8 reserved_3[40];
225 #endif
226 *
227 */
228
229 } SCSI_Inquiry_Data_t;
230
231 #define INQ_PERIPHINFO_BYTE 0
232 #define INQ_Periph_Qualifier_MASK 0xe0
233 #define INQ_Periph_Device_Type_MASK 0x1f
234
235 #define INQ_Peripheral_Qualifier(inqp) \
236 (int)((*((u8*)(inqp)+INQ_PERIPHINFO_BYTE) & INQ_Periph_Qualifier_MASK) >> 5)
237 #define INQ_Peripheral_Device_Type(inqp) \
238 (int)(*((u8*)(inqp)+INQ_PERIPHINFO_BYTE) & INQ_Periph_Device_Type_MASK)
239
240
241 #define INQ_DEVTYPEMOD_BYTE 1
242 #define INQ_RMB_BIT 0x80
243 #define INQ_Device_Type_Modifier_MASK 0x7f
244
245 #define INQ_Removable_Medium(inqp) \
246 (int)(*((u8*)(inqp)+INQ_DEVTYPEMOD_BYTE) & INQ_RMB_BIT)
247 #define INQ_Device_Type_Modifier(inqp) \
248 (int)(*((u8*)(inqp)+INQ_DEVTYPEMOD_BYTE) & INQ_Device_Type_Modifier_MASK)
249
250
251 #define INQ_VERSIONINFO_BYTE 2
252 #define INQ_ISO_Version_MASK 0xc0
253 #define INQ_ECMA_Version_MASK 0x38
254 #define INQ_ANSI_Version_MASK 0x07
255
256 #define INQ_ISO_Version(inqp) \
257 (int)(*((u8*)(inqp)+INQ_VERSIONINFO_BYTE) & INQ_ISO_Version_MASK)
258 #define INQ_ECMA_Version(inqp) \
259 (int)(*((u8*)(inqp)+INQ_VERSIONINFO_BYTE) & INQ_ECMA_Version_MASK)
260 #define INQ_ANSI_Version(inqp) \
261 (int)(*((u8*)(inqp)+INQ_VERSIONINFO_BYTE) & INQ_ANSI_Version_MASK)
262
263
264 #define INQ_BYTE3 3
265 #define INQ_AERC_BIT 0x80
266 #define INQ_TrmTsk_BIT 0x40
267 #define INQ_NormACA_BIT 0x20
268 #define INQ_RDF_MASK 0x0F
269
270 #define INQ_AER_Capable(inqp) \
271 (int)(*((u8*)(inqp)+INQ_BYTE3) & INQ_AERC_BIT)
272 #define INQ_TrmTsk(inqp) \
273 (int)(*((u8*)(inqp)+INQ_BYTE3) & INQ_TrmTsk_BIT)
274 #define INQ_NormACA(inqp) \
275 (int)(*((u8*)(inqp)+INQ_BYTE3) & INQ_NormACA_BIT)
276 #define INQ_Response_Data_Format(inqp) \
277 (int)(*((u8*)(inqp)+INQ_BYTE3) & INQ_RDF_MASK)
278
279
280 #define INQ_CAPABILITY_BYTE 7
281 #define INQ_RelAdr_BIT 0x80
282 #define INQ_WBus32_BIT 0x40
283 #define INQ_WBus16_BIT 0x20
284 #define INQ_Sync_BIT 0x10
285 #define INQ_Linked_BIT 0x08
286 /* INQ_Reserved BIT 0x40 */
287 #define INQ_CmdQue_BIT 0x02
288 #define INQ_SftRe_BIT 0x01
289
290 #define IS_RelAdr_DEV(inqp) \
291 (int)(*((u8*)(inqp)+INQ_CAPABILITY_BYTE) & INQ_RelAdr_BIT)
292 #define IS_WBus32_DEV(inqp) \
293 (int)(*((u8*)(inqp)+INQ_CAPABILITY_BYTE) & INQ_WBus32_BIT)
294 #define IS_WBus16_DEV(inqp) \
295 (int)(*((u8*)(inqp)+INQ_CAPABILITY_BYTE) & INQ_WBus16_BIT)
296 #define IS_Sync_DEV(inqp) \
297 (int)(*((u8*)(inqp)+INQ_CAPABILITY_BYTE) & INQ_Sync_BIT)
298 #define IS_Linked_DEV(inqp) \
299 (int)(*((u8*)(inqp)+INQ_CAPABILITY_BYTE) & INQ_Linked_BIT)
300 #define IS_CmdQue_DEV(inqp) \
301 (int)(*((u8*)(inqp)+INQ_CAPABILITY_BYTE) & INQ_CmdQue_BIT)
302 #define IS_SftRe_DEV(inqp) \
303 (int)(*((u8*)(inqp)+INQ_CAPABILITY_BYTE) & INQ_SftRe_BIT)
304
305 #define INQ_Width_BITS \
306 (INQ_WBus32_BIT | INQ_WBus16_BIT)
307 #define IS_Wide_DEV(inqp) \
308 (int)(*((u8*)(inqp)+INQ_CAPABILITY_BYTE) & INQ_Width_BITS)
309
310
311 /*
312 * SCSI peripheral device types
313 */
314 #define SCSI_TYPE_DAD 0x00 /* Direct Access Device */
315 #define SCSI_TYPE_SAD 0x01 /* Sequential Access Device */
316 #define SCSI_TYPE_TAPE SCSI_TYPE_SAD
317 #define SCSI_TYPE_PRT 0x02 /* Printer */
318 #define SCSI_TYPE_PROC 0x03 /* Processor */
319 #define SCSI_TYPE_WORM 0x04
320 #define SCSI_TYPE_CDROM 0x05
321 #define SCSI_TYPE_SCAN 0x06 /* Scanner */
322 #define SCSI_TYPE_OPTICAL 0x07 /* Magneto/Optical */
323 #define SCSI_TYPE_CHANGER 0x08
324 #define SCSI_TYPE_COMM 0x09 /* Communications device */
325 #define SCSI_TYPE_UNKNOWN 0x1f
326 #define SCSI_TYPE_UNCONFIGURED_LUN 0x7f
327
328 #define SCSI_TYPE_MAX_KNOWN SCSI_TYPE_COMM
329
330 /*
331 * Peripheral Qualifiers
332 */
333 #define DEVICE_PRESENT 0x00
334 #define LUN_NOT_PRESENT 0x01
335 #define LUN_NOT_SUPPORTED 0x03
336
337 /*
338 * ANSI Versions
339 */
340 #ifndef SCSI_1
341 #define SCSI_1 0x01
342 #endif
343 #ifndef SCSI_2
344 #define SCSI_2 0x02
345 #endif
346 #ifndef SCSI_3
347 #define SCSI_3 0x03
348 #endif
349
350
351 #define SCSI_MAX_SENSE_BYTES 255
352 #define SCSI_STD_SENSE_BYTES 18
353 #define SCSI_PAD_SENSE_BYTES (SCSI_MAX_SENSE_BYTES - SCSI_STD_SENSE_BYTES)
354
355 #undef USE_SCSI_COMPLETE_SENSE
356 /*
357 * Structure definition for SCSI Sense Data
358 *
359 * NOTE: The following structure is 255 bytes in size
360 * iiff USE_SCSI_COMPLETE_SENSE IS defined above (i.e. w/ "#define").
361 * If USE_SCSI_COMPLETE_SENSE is NOT defined above (i.e. w/ "#undef")
362 * then the following structure is only 19 bytes in size.
363 * THE CHOICE IS YOURS!
364 *
365 */
366 typedef struct SCSI_Sense_Data
367 {
368 #ifdef USE_SCSI_COMPLETE_SENSE
369 u8 SenseByte[SCSI_MAX_SENSE_BYTES];
370 #else
371 u8 SenseByte[SCSI_STD_SENSE_BYTES];
372 #endif
373
374 /*
375 * the following structure works only for little-endian (Intel,
376 * LSB first (1234) byte order) systems with 4-byte ints.
377 *
378 u8 Error_Code :4, // 0x00
379 Error_Class :3,
380 Valid :1
381 ;
382 u8 Segment_Number // 0x01
383 ;
384 u8 Sense_Key :4, // 0x02
385 Reserved :1,
386 Incorrect_Length_Indicator:1,
387 End_Of_Media :1,
388 Filemark :1
389 ;
390 u8 Information_MSB; // 0x03
391 u8 Information_Byte2; // 0x04
392 u8 Information_Byte1; // 0x05
393 u8 Information_LSB; // 0x06
394 u8 Additional_Length; // 0x07
395
396 u32 Command_Specific_Information; // 0x08 - 0x0b
397
398 u8 Additional_Sense_Code; // 0x0c
399 u8 Additional_Sense_Code_Qualifier; // 0x0d
400 u8 Field_Replaceable_Unit_Code; // 0x0e
401 u8 Illegal_Req_Bit_Pointer :3, // 0x0f
402 Illegal_Req_Bit_Valid :1,
403 Illegal_Req_Reserved :2,
404 Illegal_Req_Cmd_Data :1,
405 Sense_Key_Specific_Valid :1
406 ;
407 u16 Sense_Key_Specific_Data; // 0x10 - 0x11
408
409 #ifdef USE_SCSI_COMPLETE_SENSE
410 u8 Additional_Sense_Data[SCSI_PAD_SENSE_BYTES];
411 #else
412 u8 Additional_Sense_Data[1];
413 #endif
414 *
415 */
416
417 } SCSI_Sense_Data_t;
418
419
420 #define SD_ERRCODE_BYTE 0
421 #define SD_Valid_BIT 0x80
422 #define SD_Error_Code_MASK 0x7f
423 #define SD_Valid(sdp) \
424 (int)(*((u8*)(sdp)+SD_ERRCODE_BYTE) & SD_Valid_BIT)
425 #define SD_Error_Code(sdp) \
426 (int)(*((u8*)(sdp)+SD_ERRCODE_BYTE) & SD_Error_Code_MASK)
427
428
429 #define SD_SEGNUM_BYTE 1
430 #define SD_Segment_Number(sdp) (int)(*((u8*)(sdp)+SD_SEGNUM_BYTE))
431
432
433 #define SD_SENSEKEY_BYTE 2
434 #define SD_Filemark_BIT 0x80
435 #define SD_EOM_BIT 0x40
436 #define SD_ILI_BIT 0x20
437 #define SD_Sense_Key_MASK 0x0f
438 #define SD_Filemark(sdp) \
439 (int)(*((u8*)(sdp)+SD_SENSEKEY_BYTE) & SD_Filemark_BIT)
440 #define SD_EOM(sdp) \
441 (int)(*((u8*)(sdp)+SD_SENSEKEY_BYTE) & SD_EOM_BIT)
442 #define SD_ILI(sdp) \
443 (int)(*((u8*)(sdp)+SD_SENSEKEY_BYTE) & SD_ILI_BIT)
444 #define SD_Sense_Key(sdp) \
445 (int)(*((u8*)(sdp)+SD_SENSEKEY_BYTE) & SD_Sense_Key_MASK)
446
447
448 #define SD_INFO3_BYTE 3
449 #define SD_INFO2_BYTE 4
450 #define SD_INFO1_BYTE 5
451 #define SD_INFO0_BYTE 6
452 #define SD_Information3(sdp) (int)(*((u8*)(sdp)+SD_INFO3_BYTE))
453 #define SD_Information2(sdp) (int)(*((u8*)(sdp)+SD_INFO2_BYTE))
454 #define SD_Information1(sdp) (int)(*((u8*)(sdp)+SD_INFO1_BYTE))
455 #define SD_Information0(sdp) (int)(*((u8*)(sdp)+SD_INFO0_BYTE))
456
457
458 #define SD_ADDL_LEN_BYTE 7
459 #define SD_Additional_Sense_Length(sdp) \
460 (int)(*((u8*)(sdp)+SD_ADDL_LEN_BYTE))
461 #define SD_Addl_Sense_Len SD_Additional_Sense_Length
462
463
464 #define SD_CMD_SPECIFIC3_BYTE 8
465 #define SD_CMD_SPECIFIC2_BYTE 9
466 #define SD_CMD_SPECIFIC1_BYTE 10
467 #define SD_CMD_SPECIFIC0_BYTE 11
468 #define SD_Cmd_Specific_Info3(sdp) (int)(*((u8*)(sdp)+SD_CMD_SPECIFIC3_BYTE))
469 #define SD_Cmd_Specific_Info2(sdp) (int)(*((u8*)(sdp)+SD_CMD_SPECIFIC2_BYTE))
470 #define SD_Cmd_Specific_Info1(sdp) (int)(*((u8*)(sdp)+SD_CMD_SPECIFIC1_BYTE))
471 #define SD_Cmd_Specific_Info0(sdp) (int)(*((u8*)(sdp)+SD_CMD_SPECIFIC0_BYTE))
472
473
474 #define SD_ADDL_SENSE_CODE_BYTE 12
475 #define SD_Additional_Sense_Code(sdp) \
476 (int)(*((u8*)(sdp)+SD_ADDL_SENSE_CODE_BYTE))
477 #define SD_Addl_Sense_Code SD_Additional_Sense_Code
478 #define SD_ASC SD_Additional_Sense_Code
479
480
481 #define SD_ADDL_SENSE_CODE_QUAL_BYTE 13
482 #define SD_Additional_Sense_Code_Qualifier(sdp) \
483 (int)(*((u8*)(sdp)+SD_ADDL_SENSE_CODE_QUAL_BYTE))
484 #define SD_Addl_Sense_Code_Qual SD_Additional_Sense_Code_Qualifier
485 #define SD_ASCQ SD_Additional_Sense_Code_Qualifier
486
487
488 #define SD_FIELD_REPL_UNIT_CODE_BYTE 14
489 #define SD_Field_Replaceable_Unit_Code(sdp) \
490 (int)(*((u8*)(sdp)+SD_FIELD_REPL_UNIT_CODE_BYTE))
491 #define SD_Field_Repl_Unit_Code SD_Field_Replaceable_Unit_Code
492 #define SD_FRUC SD_Field_Replaceable_Unit_Code
493 #define SD_FRU SD_Field_Replaceable_Unit_Code
494
495
496 /*
497 * Sense-Key Specific offsets and macros.
498 */
499 #define SD_SKS2_BYTE 15
500 #define SD_SKS_Valid_BIT 0x80
501 #define SD_SKS_Cmd_Data_BIT 0x40
502 #define SD_SKS_Bit_Ptr_Valid_BIT 0x08
503 #define SD_SKS_Bit_Ptr_MASK 0x07
504 #define SD_SKS1_BYTE 16
505 #define SD_SKS0_BYTE 17
506 #define SD_Sense_Key_Specific_Valid(sdp) \
507 (int)(*((u8*)(sdp)+SD_SKS2_BYTE) & SD_SKS_Valid_BIT)
508 #define SD_SKS_Valid SD_Sense_Key_Specific_Valid
509 #define SD_SKS_CDB_Error(sdp) \
510 (int)(*((u8*)(sdp)+SD_SKS2_BYTE) & SD_SKS_Cmd_Data_BIT)
511 #define SD_Was_Illegal_Request SD_SKS_CDB_Error
512 #define SD_SKS_Bit_Pointer_Valid(sdp) \
513 (int)(*((u8*)(sdp)+SD_SKS2_BYTE) & SD_SKS_Bit_Ptr_Valid_BIT)
514 #define SD_SKS_Bit_Pointer(sdp) \
515 (int)(*((u8*)(sdp)+SD_SKS2_BYTE) & SD_SKS_Bit_Ptr_MASK)
516 #define SD_Field_Pointer(sdp) \
517 (int)( ((u16)(*((u8*)(sdp)+SD_SKS1_BYTE)) << 8) \
518 + *((u8*)(sdp)+SD_SKS0_BYTE) )
519 #define SD_Bad_Byte SD_Field_Pointer
520 #define SD_Actual_Retry_Count SD_Field_Pointer
521 #define SD_Progress_Indication SD_Field_Pointer
522
523 /*
524 * Mode Sense Write Protect Mask
525 */
526 #define WRITE_PROTECT_MASK 0X80
527
528 /*
529 * Medium Type Codes
530 */
531 #define OPTICAL_DEFAULT 0x00
532 #define OPTICAL_READ_ONLY_MEDIUM 0x01
533 #define OPTICAL_WRITE_ONCE_MEDIUM 0x02
534 #define OPTICAL_READ_WRITABLE_MEDIUM 0x03
535 #define OPTICAL_RO_OR_WO_MEDIUM 0x04
536 #define OPTICAL_RO_OR_RW_MEDIUM 0x05
537 #define OPTICAL_WO_OR_RW_MEDIUM 0x06
538
539
540
541 /*
542 * Structure definition for READ6, WRITE6 (6-byte CDB)
543 */
544 typedef struct SCSI_RW6_CDB
545 {
546 u32 OpCode :8,
547 LBA_HI :5, /* 5 MSBit's of the LBA */
548 Lun :3,
549 LBA_MID :8, /* NOTE: total of 21 bits in LBA */
550 LBA_LO :8 ; /* Max LBA = 0x001fffff */
551 u8 BlockCount;
552 u8 Control;
553 } SCSI_RW6_t;
554
555 #define MAX_RW6_LBA ((u32)0x001fffff)
556
557 /*
558 * Structure definition for READ10, WRITE10 (10-byte CDB)
559 *
560 * NOTE: ParityCheck bit is applicable only for VERIFY and WRITE VERIFY for
561 * the ADP-92 DAC only. In the SCSI2 spec. this same bit is defined as a
562 * FUA (forced unit access) bit for READs and WRITEs. Since this driver
563 * does not use the FUA, this bit is defined as it is used by the ADP-92.
564 * Also, for READ CAPACITY, only the OpCode field is used.
565 */
566 typedef struct SCSI_RW10_CDB
567 {
568 u8 OpCode;
569 u8 Reserved1;
570 u32 LBA;
571 u8 Reserved2;
572 u16 BlockCount;
573 u8 Control;
574 } SCSI_RW10_t;
575
576 #define PARITY_CHECK 0x08 /* parity check bit - byte[1], bit 3 */
577
578 /*
579 * Structure definition for data returned by READ CAPACITY cmd;
580 * READ CAPACITY data
581 */
582 typedef struct READ_CAP_DATA
583 {
584 u32 MaxLBA;
585 u32 BlockBytes;
586 } SCSI_READ_CAP_DATA_t, *pSCSI_READ_CAP_DATA_t;
587
588
589 /*
590 * Structure definition for FORMAT UNIT CDB (6-byte CDB)
591 */
592 typedef struct _SCSI_FORMAT_UNIT
593 {
594 u8 OpCode;
595 u8 Reserved1;
596 u8 VendorSpecific;
597 u16 Interleave;
598 u8 Control;
599 } SCSI_FORMAT_UNIT_t;
600
601 /*
602 * Structure definition for REQUEST SENSE (6-byte CDB)
603 */
604 typedef struct _SCSI_REQUEST_SENSE
605 {
606 u8 OpCode;
607 u8 Reserved1;
608 u8 Reserved2;
609 u8 Reserved3;
610 u8 AllocLength;
611 u8 Control;
612 } SCSI_REQ_SENSE_t;
613
614 /*
615 * Structure definition for REPORT LUNS (12-byte CDB)
616 */
617 typedef struct _SCSI_REPORT_LUNS
618 {
619 u8 OpCode;
620 u8 Reserved1[5];
621 u32 AllocationLength;
622 u8 Reserved2;
623 u8 Control;
624 } SCSI_REPORT_LUNS_t, *pSCSI_REPORT_LUNS_t;
625
626 /*
627 * (per-level) LUN information bytes
628 */
629 /*
630 * Following doesn't work on ARMCC compiler
631 * [apparently] because it pads every struct
632 * to be multiple of 4 bytes!
633 * So SCSI_LUN_LEVELS_t winds up being 16
634 * bytes instead of 8!
635 *
636 typedef struct LUN_INFO
637 {
638 u8 AddrMethod_plus_LunOrBusNumber;
639 u8 LunOrTarget;
640 } SCSI_LUN_INFO_t, *pSCSI_LUN_INFO_t;
641
642 typedef struct LUN_LEVELS
643 {
644 SCSI_LUN_INFO_t LUN_0;
645 SCSI_LUN_INFO_t LUN_1;
646 SCSI_LUN_INFO_t LUN_2;
647 SCSI_LUN_INFO_t LUN_3;
648 } SCSI_LUN_LEVELS_t, *pSCSI_LUN_LEVELS_t;
649 */
650 /*
651 * All 4 levels (8 bytes) of LUN information
652 */
653 typedef struct LUN_LEVELS
654 {
655 u8 LVL1_AddrMethod_plus_LunOrBusNumber;
656 u8 LVL1_LunOrTarget;
657 u8 LVL2_AddrMethod_plus_LunOrBusNumber;
658 u8 LVL2_LunOrTarget;
659 u8 LVL3_AddrMethod_plus_LunOrBusNumber;
660 u8 LVL3_LunOrTarget;
661 u8 LVL4_AddrMethod_plus_LunOrBusNumber;
662 u8 LVL4_LunOrTarget;
663 } SCSI_LUN_LEVELS_t, *pSCSI_LUN_LEVELS_t;
664
665 /*
666 * Structure definition for data returned by REPORT LUNS cmd;
667 * LUN reporting parameter list format
668 */
669 typedef struct LUN_REPORT
670 {
671 u32 LunListLength;
672 u32 Reserved;
673 SCSI_LUN_LEVELS_t LunInfo[1];
674 } SCSI_LUN_REPORT_t, *pSCSI_LUN_REPORT_t;
675
676 /****************************************************************************
677 *
678 * Externals
679 */
680
681 /****************************************************************************
682 *
683 * Public Typedefs & Related Defines
684 */
685
686 /****************************************************************************
687 *
688 * Macros (embedded, above)
689 */
690
691 /****************************************************************************
692 *
693 * Public Variables
694 */
695
696 /****************************************************************************
697 *
698 * Public Prototypes (module entry points)
699 */
700
701
702 /***************************************************************************/
703 #endif
704