1 /** @file
2   Support for SCSI-2 standard
3 
4   Copyright (c) 2006 - 2020, Intel Corporation. All rights reserved.<BR>
5   SPDX-License-Identifier: BSD-2-Clause-Patent
6 
7 **/
8 
9 #ifndef __SCSI_H__
10 #define __SCSI_H__
11 
12 //
13 // SCSI command OP Code
14 //
15 //
16 // Commands for all device types
17 //
18 #define EFI_SCSI_OP_CHANGE_DEFINITION 0x40
19 #define EFI_SCSI_OP_COMPARE           0x39
20 #define EFI_SCSI_OP_COPY              0x18
21 #define EFI_SCSI_OP_COPY_VERIFY       0x3a
22 #define EFI_SCSI_OP_INQUIRY           0x12
23 #define EFI_SCSI_OP_LOG_SELECT        0x4c
24 #define EFI_SCSI_OP_LOG_SENSE         0x4d
25 #define EFI_SCSI_OP_MODE_SEL6         0x15
26 #define EFI_SCSI_OP_MODE_SEL10        0x55
27 #define EFI_SCSI_OP_MODE_SEN6         0x1a
28 #define EFI_SCSI_OP_MODE_SEN10        0x5a
29 #define EFI_SCSI_OP_READ_BUFFER       0x3c
30 #define EFI_SCSI_OP_RECEIVE_DIAG      0x1c
31 #define EFI_SCSI_OP_REQUEST_SENSE     0x03
32 #define EFI_SCSI_OP_SEND_DIAG         0x1d
33 #define EFI_SCSI_OP_TEST_UNIT_READY   0x00
34 #define EFI_SCSI_OP_WRITE_BUFF        0x3b
35 
36 //
37 // Additional commands for Direct Access Devices
38 //
39 #define EFI_SCSI_OP_FORMAT          0x04
40 #define EFI_SCSI_OP_LOCK_UN_CACHE   0x36
41 #define EFI_SCSI_OP_PREFETCH        0x34
42 #define EFI_SCSI_OP_MEDIA_REMOVAL   0x1e
43 #define EFI_SCSI_OP_READ6           0x08
44 #define EFI_SCSI_OP_READ10          0x28
45 #define EFI_SCSI_OP_READ16          0x88
46 #define EFI_SCSI_OP_READ_CAPACITY   0x25
47 #define EFI_SCSI_OP_READ_CAPACITY16 0x9e
48 #define EFI_SCSI_OP_READ_DEFECT     0x37
49 #define EFI_SCSI_OP_READ_LONG       0x3e
50 #define EFI_SCSI_OP_REASSIGN_BLK    0x07
51 #define EFI_SCSI_OP_RELEASE         0x17
52 #define EFI_SCSI_OP_REZERO          0x01
53 #define EFI_SCSI_OP_SEARCH_DATA_E   0x31
54 #define EFI_SCSI_OP_SEARCH_DATA_H   0x30
55 #define EFI_SCSI_OP_SEARCH_DATA_L   0x32
56 #define EFI_SCSI_OP_SEEK6           0x0b
57 #define EFI_SCSI_OP_SEEK10          0x2b
58 #define EFI_SCSI_OP_SEND_DIAG       0x1d
59 #define EFI_SCSI_OP_SET_LIMIT       0x33
60 #define EFI_SCSI_OP_START_STOP_UNIT 0x1b
61 #define EFI_SCSI_OP_SYNC_CACHE      0x35
62 #define EFI_SCSI_OP_VERIFY          0x2f
63 #define EFI_SCSI_OP_WRITE6          0x0a
64 #define EFI_SCSI_OP_WRITE10         0x2a
65 #define EFI_SCSI_OP_WRITE16         0x8a
66 #define EFI_SCSI_OP_WRITE_VERIFY    0x2e
67 #define EFI_SCSI_OP_WRITE_LONG      0x3f
68 #define EFI_SCSI_OP_WRITE_SAME      0x41
69 #define EFI_SCSI_OP_UNMAP           0x42
70 
71 //
72 // Additional commands for Sequential Access Devices
73 //
74 #define EFI_SCSI_OP_ERASE             0x19
75 #define EFI_SCSI_OP_LOAD_UNLOAD       0x1b
76 #define EFI_SCSI_OP_LOCATE            0x2b
77 #define EFI_SCSI_OP_READ_BLOCK_LIMIT  0x05
78 #define EFI_SCSI_OP_READ_POS          0x34
79 #define EFI_SCSI_OP_READ_REVERSE      0x0f
80 #define EFI_SCSI_OP_RECOVER_BUF_DATA  0x14
81 #define EFI_SCSI_OP_RESERVE_UNIT      0x16
82 #define EFI_SCSI_OP_REWIND            0x01
83 #define EFI_SCSI_OP_SPACE             0x11
84 #define EFI_SCSI_OP_VERIFY_TAPE       0x13
85 #define EFI_SCSI_OP_WRITE_FILEMARK    0x10
86 
87 //
88 // Additional commands for Printer Devices
89 //
90 #define EFI_SCSI_OP_PRINT       0x0a
91 #define EFI_SCSI_OP_SLEW_PRINT  0x0b
92 #define EFI_SCSI_OP_STOP_PRINT  0x1b
93 #define EFI_SCSI_OP_SYNC_BUFF   0x10
94 
95 //
96 // Additional commands for Processor Devices
97 //
98 #define EFI_SCSI_OP_RECEIVE 0x08
99 #define EFI_SCSI_OP_SEND    0x0a
100 
101 //
102 // Additional commands for Write-Once Devices
103 //
104 #define EFI_SCSI_OP_MEDIUM_SCAN     0x38
105 #define EFI_SCSI_OP_SEARCH_DAT_E10  0x31
106 #define EFI_SCSI_OP_SEARCH_DAT_E12  0xb1
107 #define EFI_SCSI_OP_SEARCH_DAT_H10  0x30
108 #define EFI_SCSI_OP_SEARCH_DAT_H12  0xb0
109 #define EFI_SCSI_OP_SEARCH_DAT_L10  0x32
110 #define EFI_SCSI_OP_SEARCH_DAT_L12  0xb2
111 #define EFI_SCSI_OP_SET_LIMIT10     0x33
112 #define EFI_SCSI_OP_SET_LIMIT12     0xb3
113 #define EFI_SCSI_OP_VERIFY10        0x2f
114 #define EFI_SCSI_OP_VERIFY12        0xaf
115 #define EFI_SCSI_OP_WRITE12         0xaa
116 #define EFI_SCSI_OP_WRITE_VERIFY10  0x2e
117 #define EFI_SCSI_OP_WRITE_VERIFY12  0xae
118 
119 //
120 // Additional commands for CD-ROM Devices
121 //
122 #define EFI_SCSI_OP_PLAY_AUD_10       0x45
123 #define EFI_SCSI_OP_PLAY_AUD_12       0xa5
124 #define EFI_SCSI_OP_PLAY_AUD_MSF      0x47
125 #define EFI_SCSI_OP_PLAY_AUD_TKIN     0x48
126 #define EFI_SCSI_OP_PLAY_TK_REL10     0x49
127 #define EFI_SCSI_OP_PLAY_TK_REL12     0xa9
128 #define EFI_SCSI_OP_READ_CD_CAPACITY  0x25
129 #define EFI_SCSI_OP_READ_HEADER       0x44
130 #define EFI_SCSI_OP_READ_SUB_CHANNEL  0x42
131 #define EFI_SCSI_OP_READ_TOC          0x43
132 
133 //
134 // Additional commands for Scanner Devices
135 //
136 #define EFI_SCSI_OP_GET_DATABUFF_STAT 0x34
137 #define EFI_SCSI_OP_GET_WINDOW        0x25
138 #define EFI_SCSI_OP_OBJECT_POS        0x31
139 #define EFI_SCSI_OP_SCAN              0x1b
140 #define EFI_SCSI_OP_SET_WINDOW        0x24
141 
142 //
143 // Additional commands for Optical Memory Devices
144 //
145 #define EFI_SCSI_OP_UPDATE_BLOCK  0x3d
146 
147 //
148 // Additional commands for Medium Changer Devices
149 //
150 #define EFI_SCSI_OP_EXCHANGE_MEDIUM   0xa6
151 #define EFI_SCSI_OP_INIT_ELEMENT_STAT 0x07
152 #define EFI_SCSI_OP_POS_TO_ELEMENT    0x2b
153 #define EFI_SCSI_OP_REQUEST_VE_ADDR   0xb5
154 #define EFI_SCSI_OP_SEND_VOL_TAG      0xb6
155 
156 //
157 // Additional commands for Communication Devices
158 //
159 #define EFI_SCSI_OP_GET_MESSAGE6    0x08
160 #define EFI_SCSI_OP_GET_MESSAGE10   0x28
161 #define EFI_SCSI_OP_GET_MESSAGE12   0xa8
162 #define EFI_SCSI_OP_SEND_MESSAGE6   0x0a
163 #define EFI_SCSI_OP_SEND_MESSAGE10  0x2a
164 #define EFI_SCSI_OP_SEND_MESSAGE12  0xaa
165 
166 //
167 // Additional commands for Secure Transactions
168 //
169 #define EFI_SCSI_OP_SECURITY_PROTOCOL_IN  0xa2
170 #define EFI_SCSI_OP_SECURITY_PROTOCOL_OUT 0xb5
171 
172 //
173 // SCSI Data Transfer Direction
174 //
175 #define EFI_SCSI_DATA_IN  0
176 #define EFI_SCSI_DATA_OUT 1
177 
178 //
179 // SCSI Block Command Cache Control Parameters
180 //
181 #define EFI_SCSI_BLOCK_FUA  BIT3  ///< Force Unit Access
182 #define EFI_SCSI_BLOCK_DPO  BIT4  ///< Disable Page Out
183 
184 //
185 // Peripheral Device Type Definitions
186 //
187 #define EFI_SCSI_TYPE_DISK            0x00  ///< Direct-access device (e.g. magnetic disk)
188 #define EFI_SCSI_TYPE_TAPE            0x01  ///< Sequential-access device (e.g. magnetic tape)
189 #define EFI_SCSI_TYPE_PRINTER         0x02  ///< Printer device
190 #define EFI_SCSI_TYPE_PROCESSOR       0x03  ///< Processor device
191 #define EFI_SCSI_TYPE_WORM            0x04  ///< Write-once device (e.g. some optical disks)
192 #define EFI_SCSI_TYPE_CDROM           0x05  ///< CD/DVD device
193 #define EFI_SCSI_TYPE_SCANNER         0x06  ///< Scanner device (obsolete)
194 #define EFI_SCSI_TYPE_OPTICAL         0x07  ///< Optical memory device (e.g. some optical disks)
195 #define EFI_SCSI_TYPE_MEDIUMCHANGER   0x08  ///< Medium changer device (e.g. jukeboxes)
196 #define EFI_SCSI_TYPE_COMMUNICATION   0x09  ///< Communications device (obsolete)
197 #define EFI_SCSI_TYPE_ASCIT8_1        0x0A  ///< Defined by ASC IT8 (Graphic arts pre-press devices)
198 #define EFI_SCSI_TYPE_ASCIT8_2        0x0B  ///< Defined by ASC IT8 (Graphic arts pre-press devices)
199 #define EFI_SCSI_TYPE_RAID            0x0C  ///< Storage array controller device (e.g., RAID)
200 #define EFI_SCSI_TYPE_SES             0x0D  ///< Enclosure services device
201 #define EFI_SCSI_TYPE_RBC             0x0E  ///< Simplified direct-access device (e.g., magnetic disk)
202 #define EFI_SCSI_TYPE_OCRW            0x0F  ///< Optical card reader/writer device
203 #define EFI_SCSI_TYPE_BRIDGE          0x10  ///< Bridge Controller Commands
204 #define EFI_SCSI_TYPE_OSD             0x11  ///< Object-based Storage Device
205 #define EFI_SCSI_TYPE_AUTOMATION      0x12  ///< Automation/Drive Interface
206 #define EFI_SCSI_TYPE_SECURITYMANAGER 0x13  ///< Security manager device
207 #define EFI_SCSI_TYPE_RESERVED_LOW    0x14  ///< Reserved (low)
208 #define EFI_SCSI_TYPE_RESERVED_HIGH   0x1D  ///< Reserved (high)
209 #define EFI_SCSI_TYPE_WLUN            0x1E  ///< Well known logical unit
210 #define EFI_SCSI_TYPE_UNKNOWN         0x1F  ///< Unknown or no device type
211 
212 //
213 // Page Codes for INQUIRY command
214 //
215 #define EFI_SCSI_PAGE_CODE_SUPPORTED_VPD    0x00
216 #define EFI_SCSI_PAGE_CODE_BLOCK_LIMITS_VPD 0xB0
217 
218 #pragma pack(1)
219 ///
220 /// Standard INQUIRY data format
221 ///
222 typedef struct {
223   UINT8 Peripheral_Type : 5;
224   UINT8 Peripheral_Qualifier : 3;
225   UINT8 DeviceType_Modifier : 7;
226   UINT8 Rmb : 1;
227   UINT8 Version;
228   UINT8 Response_Data_Format;
229   UINT8 Addnl_Length;
230   UINT8 Reserved_5_95[95 - 5 + 1];
231 } EFI_SCSI_INQUIRY_DATA;
232 
233 ///
234 /// Supported VPD Pages VPD page
235 ///
236 typedef struct {
237   UINT8 Peripheral_Type : 5;
238   UINT8 Peripheral_Qualifier : 3;
239   UINT8 PageCode;
240   UINT8 PageLength2;
241   UINT8 PageLength1;
242   UINT8 SupportedVpdPageList[0x100];
243 } EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE;
244 
245 ///
246 /// Block Limits VPD page
247 ///
248 typedef struct {
249   UINT8 Peripheral_Type : 5;
250   UINT8 Peripheral_Qualifier : 3;
251   UINT8 PageCode;
252   UINT8 PageLength2;
253   UINT8 PageLength1;
254   UINT8 WriteSameNonZero : 1;
255   UINT8 Reserved_4 : 7;
256   UINT8 MaximumCompareAndWriteLength;
257   UINT8 OptimalTransferLengthGranularity2;
258   UINT8 OptimalTransferLengthGranularity1;
259   UINT8 MaximumTransferLength4;
260   UINT8 MaximumTransferLength3;
261   UINT8 MaximumTransferLength2;
262   UINT8 MaximumTransferLength1;
263   UINT8 OptimalTransferLength4;
264   UINT8 OptimalTransferLength3;
265   UINT8 OptimalTransferLength2;
266   UINT8 OptimalTransferLength1;
267   UINT8 MaximumPrefetchXdreadXdwriteTransferLength4;
268   UINT8 MaximumPrefetchXdreadXdwriteTransferLength3;
269   UINT8 MaximumPrefetchXdreadXdwriteTransferLength2;
270   UINT8 MaximumPrefetchXdreadXdwriteTransferLength1;
271   UINT8 MaximumUnmapLbaCount4;
272   UINT8 MaximumUnmapLbaCount3;
273   UINT8 MaximumUnmapLbaCount2;
274   UINT8 MaximumUnmapLbaCount1;
275   UINT8 MaximumUnmapBlockDescriptorCount4;
276   UINT8 MaximumUnmapBlockDescriptorCount3;
277   UINT8 MaximumUnmapBlockDescriptorCount2;
278   UINT8 MaximumUnmapBlockDescriptorCount1;
279   UINT8 OptimalUnmapGranularity4;
280   UINT8 OptimalUnmapGranularity3;
281   UINT8 OptimalUnmapGranularity2;
282   UINT8 OptimalUnmapGranularity1;
283   UINT8 UnmapGranularityAlignment4 : 7;
284   UINT8 UnmapGranularityAlignmentValid : 1;
285   UINT8 UnmapGranularityAlignment3;
286   UINT8 UnmapGranularityAlignment2;
287   UINT8 UnmapGranularityAlignment1;
288   UINT8 MaximumWriteSameLength4;
289   UINT8 MaximumWriteSameLength3;
290   UINT8 MaximumWriteSameLength2;
291   UINT8 MaximumWriteSameLength1;
292   UINT8 MaximumAtomicTransferLength4;
293   UINT8 MaximumAtomicTransferLength3;
294   UINT8 MaximumAtomicTransferLength2;
295   UINT8 MaximumAtomicTransferLength1;
296   UINT8 AtomicAlignment4;
297   UINT8 AtomicAlignment3;
298   UINT8 AtomicAlignment2;
299   UINT8 AtomicAlignment1;
300   UINT8 AtomicTransferLengthGranularity4;
301   UINT8 AtomicTransferLengthGranularity3;
302   UINT8 AtomicTransferLengthGranularity2;
303   UINT8 AtomicTransferLengthGranularity1;
304   UINT8 MaximumAtomicTransferLengthWithAtomicBoundary4;
305   UINT8 MaximumAtomicTransferLengthWithAtomicBoundary3;
306   UINT8 MaximumAtomicTransferLengthWithAtomicBoundary2;
307   UINT8 MaximumAtomicTransferLengthWithAtomicBoundary1;
308   UINT8 MaximumAtomicBoundarySize4;
309   UINT8 MaximumAtomicBoundarySize3;
310   UINT8 MaximumAtomicBoundarySize2;
311   UINT8 MaximumAtomicBoundarySize1;
312 } EFI_SCSI_BLOCK_LIMITS_VPD_PAGE;
313 
314 ///
315 /// Error codes 70h and 71h sense data format
316 ///
317 typedef struct {
318   UINT8 Error_Code : 7;
319   UINT8 Valid : 1;
320   UINT8 Segment_Number;
321   UINT8 Sense_Key : 4;
322   UINT8 Reserved_21 : 1;
323   UINT8 Ili : 1;
324   UINT8 Reserved_22 : 2;
325   UINT8 Information_3_6[4];
326   UINT8 Addnl_Sense_Length;           ///< Additional sense length (n-7)
327   UINT8 Vendor_Specific_8_11[4];
328   UINT8 Addnl_Sense_Code;             ///< Additional sense code
329   UINT8 Addnl_Sense_Code_Qualifier;   ///< Additional sense code qualifier
330   UINT8 Field_Replaceable_Unit_Code;  ///< Field replaceable unit code
331   UINT8 Reserved_15_17[3];
332 } EFI_SCSI_SENSE_DATA;
333 
334 ///
335 /// SCSI Disk READ CAPACITY Data
336 ///
337 typedef struct {
338   UINT8 LastLba3;
339   UINT8 LastLba2;
340   UINT8 LastLba1;
341   UINT8 LastLba0;
342   UINT8 BlockSize3;
343   UINT8 BlockSize2;
344   UINT8 BlockSize1;
345   UINT8 BlockSize0;
346 } EFI_SCSI_DISK_CAPACITY_DATA;
347 
348 typedef struct {
349   UINT8 LastLba7;
350   UINT8 LastLba6;
351   UINT8 LastLba5;
352   UINT8 LastLba4;
353   UINT8 LastLba3;
354   UINT8 LastLba2;
355   UINT8 LastLba1;
356   UINT8 LastLba0;
357   UINT8 BlockSize3;
358   UINT8 BlockSize2;
359   UINT8 BlockSize1;
360   UINT8 BlockSize0;
361   UINT8 Protection;
362   UINT8 LogicPerPhysical;
363   UINT8 LowestAlignLogic2;
364   UINT8 LowestAlignLogic1;
365   UINT8 Reserved[16];
366 } EFI_SCSI_DISK_CAPACITY_DATA16;
367 
368 typedef struct {
369   UINT16 DataLen;
370   UINT16 BlkDespDataLen;
371   UINT8  Reserved[4];
372 } EFI_SCSI_DISK_UNMAP_PARAM_LIST_HEADER;
373 
374 typedef struct {
375   UINT64 Lba;
376   UINT32 BlockNum;
377   UINT8  Reserved[4];
378 } EFI_SCSI_DISK_UNMAP_BLOCK_DESP;
379 
380 
381 #pragma pack()
382 
383 //
384 // Sense Key
385 //
386 #define EFI_SCSI_SK_NO_SENSE          (0x0)
387 #define EFI_SCSI_SK_RECOVERY_ERROR    (0x1)
388 #define EFI_SCSI_SK_NOT_READY         (0x2)
389 #define EFI_SCSI_SK_MEDIUM_ERROR      (0x3)
390 #define EFI_SCSI_SK_HARDWARE_ERROR    (0x4)
391 #define EFI_SCSI_SK_ILLEGAL_REQUEST   (0x5)
392 #define EFI_SCSI_SK_UNIT_ATTENTION    (0x6)
393 #define EFI_SCSI_SK_DATA_PROTECT      (0x7)
394 #define EFI_SCSI_SK_BLANK_CHECK       (0x8)
395 #define EFI_SCSI_SK_VENDOR_SPECIFIC   (0x9)
396 #define EFI_SCSI_SK_RESERVED_A        (0xA)
397 #define EFI_SCSI_SK_ABORT             (0xB)
398 #define EFI_SCSI_SK_RESERVED_C        (0xC)
399 #define EFI_SCSI_SK_OVERFLOW          (0xD)
400 #define EFI_SCSI_SK_MISCOMPARE        (0xE)
401 #define EFI_SCSI_SK_RESERVED_F        (0xF)
402 
403 //
404 // Additional Sense Codes and Sense Code Qualifiers.
405 // Only some frequently used additional sense codes and qualifiers are
406 // defined here. Please refer to SCSI standard for full value definition.
407 //
408 #define EFI_SCSI_ASC_NOT_READY                    (0x04)
409 #define EFI_SCSI_ASCQ_IN_PROGRESS                 (0x01)
410 
411 #define EFI_SCSI_ASC_MEDIA_ERR1                   (0x10)
412 #define EFI_SCSI_ASC_MEDIA_ERR2                   (0x11)
413 #define EFI_SCSI_ASC_MEDIA_ERR3                   (0x14)
414 #define EFI_SCSI_ASC_MEDIA_ERR4                   (0x30)
415 #define EFI_SCSI_ASC_MEDIA_UPSIDE_DOWN            (0x06)
416 #define EFI_SCSI_ASC_INVALID_CMD                  (0x20)
417 #define EFI_SCSI_ASC_LBA_OUT_OF_RANGE             (0x21)
418 #define EFI_SCSI_ASC_INVALID_FIELD                (0x24)
419 #define EFI_SCSI_ASC_WRITE_PROTECTED              (0x27)
420 #define EFI_SCSI_ASC_MEDIA_CHANGE                 (0x28)
421 #define EFI_SCSI_ASC_RESET                        (0x29)   ///< Power On Reset or Bus Reset occurred
422 #define EFI_SCSI_ASC_ILLEGAL_FIELD                (0x26)
423 #define EFI_SCSI_ASC_NO_MEDIA                     (0x3A)
424 #define EFI_SCSI_ASC_ILLEGAL_MODE_FOR_THIS_TRACK  (0x64)
425 
426 #endif
427