1 /** @file
2   Support for SCSI-2 standard
3 
4   Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
5   This program and the accompanying materials
6   are licensed and made available under the terms and conditions of the BSD License
7   which accompanies this distribution.  The full text of the license may be found at
8   http://opensource.org/licenses/bsd-license.php
9 
10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12 
13 **/
14 
15 #ifndef __SCSI_H__
16 #define __SCSI_H__
17 
18 //
19 // SCSI command OP Code
20 //
21 //
22 // Commands for all device types
23 //
24 #define EFI_SCSI_OP_CHANGE_DEFINITION 0x40
25 #define EFI_SCSI_OP_COMPARE           0x39
26 #define EFI_SCSI_OP_COPY              0x18
27 #define EFI_SCSI_OP_COPY_VERIFY       0x3a
28 #define EFI_SCSI_OP_INQUIRY           0x12
29 #define EFI_SCSI_OP_LOG_SELECT        0x4c
30 #define EFI_SCSI_OP_LOG_SENSE         0x4d
31 #define EFI_SCSI_OP_MODE_SEL6         0x15
32 #define EFI_SCSI_OP_MODE_SEL10        0x55
33 #define EFI_SCSI_OP_MODE_SEN6         0x1a
34 #define EFI_SCSI_OP_MODE_SEN10        0x5a
35 #define EFI_SCSI_OP_READ_BUFFER       0x3c
36 #define EFI_SCSI_OP_RECEIVE_DIAG      0x1c
37 #define EFI_SCSI_OP_REQUEST_SENSE     0x03
38 #define EFI_SCSI_OP_SEND_DIAG         0x1d
39 #define EFI_SCSI_OP_TEST_UNIT_READY   0x00
40 #define EFI_SCSI_OP_WRITE_BUFF        0x3b
41 
42 //
43 // Additional commands for Direct Access Devices
44 //
45 #define EFI_SCSI_OP_FORMAT          0x04
46 #define EFI_SCSI_OP_LOCK_UN_CACHE   0x36
47 #define EFI_SCSI_OP_PREFETCH        0x34
48 #define EFI_SCSI_OP_MEDIA_REMOVAL   0x1e
49 #define EFI_SCSI_OP_READ6           0x08
50 #define EFI_SCSI_OP_READ10          0x28
51 #define EFI_SCSI_OP_READ16          0x88
52 #define EFI_SCSI_OP_READ_CAPACITY   0x25
53 #define EFI_SCSI_OP_READ_CAPACITY16 0x9e
54 #define EFI_SCSI_OP_READ_DEFECT     0x37
55 #define EFI_SCSI_OP_READ_LONG       0x3e
56 #define EFI_SCSI_OP_REASSIGN_BLK    0x07
57 #define EFI_SCSI_OP_RELEASE         0x17
58 #define EFI_SCSI_OP_REZERO          0x01
59 #define EFI_SCSI_OP_SEARCH_DATA_E   0x31
60 #define EFI_SCSI_OP_SEARCH_DATA_H   0x30
61 #define EFI_SCSI_OP_SEARCH_DATA_L   0x32
62 #define EFI_SCSI_OP_SEEK6           0x0b
63 #define EFI_SCSI_OP_SEEK10          0x2b
64 #define EFI_SCSI_OP_SEND_DIAG       0x1d
65 #define EFI_SCSI_OP_SET_LIMIT       0x33
66 #define EFI_SCSI_OP_START_STOP_UNIT 0x1b
67 #define EFI_SCSI_OP_SYNC_CACHE      0x35
68 #define EFI_SCSI_OP_VERIFY          0x2f
69 #define EFI_SCSI_OP_WRITE6          0x0a
70 #define EFI_SCSI_OP_WRITE10         0x2a
71 #define EFI_SCSI_OP_WRITE16         0x8a
72 #define EFI_SCSI_OP_WRITE_VERIFY    0x2e
73 #define EFI_SCSI_OP_WRITE_LONG      0x3f
74 #define EFI_SCSI_OP_WRITE_SAME      0x41
75 
76 //
77 // Additional commands for Sequential Access Devices
78 //
79 #define EFI_SCSI_OP_ERASE             0x19
80 #define EFI_SCSI_OP_LOAD_UNLOAD       0x1b
81 #define EFI_SCSI_OP_LOCATE            0x2b
82 #define EFI_SCSI_OP_READ_BLOCK_LIMIT  0x05
83 #define EFI_SCSI_OP_READ_POS          0x34
84 #define EFI_SCSI_OP_READ_REVERSE      0x0f
85 #define EFI_SCSI_OP_RECOVER_BUF_DATA  0x14
86 #define EFI_SCSI_OP_RESERVE_UNIT      0x16
87 #define EFI_SCSI_OP_REWIND            0x01
88 #define EFI_SCSI_OP_SPACE             0x11
89 #define EFI_SCSI_OP_VERIFY_TAPE       0x13
90 #define EFI_SCSI_OP_WRITE_FILEMARK    0x10
91 
92 //
93 // Additional commands for Printer Devices
94 //
95 #define EFI_SCSI_OP_PRINT       0x0a
96 #define EFI_SCSI_OP_SLEW_PRINT  0x0b
97 #define EFI_SCSI_OP_STOP_PRINT  0x1b
98 #define EFI_SCSI_OP_SYNC_BUFF   0x10
99 
100 //
101 // Additional commands for Processor Devices
102 //
103 #define EFI_SCSI_OP_RECEIVE 0x08
104 #define EFI_SCSI_OP_SEND    0x0a
105 
106 //
107 // Additional commands for Write-Once Devices
108 //
109 #define EFI_SCSI_OP_MEDIUM_SCAN     0x38
110 #define EFI_SCSI_OP_SEARCH_DAT_E10  0x31
111 #define EFI_SCSI_OP_SEARCH_DAT_E12  0xb1
112 #define EFI_SCSI_OP_SEARCH_DAT_H10  0x30
113 #define EFI_SCSI_OP_SEARCH_DAT_H12  0xb0
114 #define EFI_SCSI_OP_SEARCH_DAT_L10  0x32
115 #define EFI_SCSI_OP_SEARCH_DAT_L12  0xb2
116 #define EFI_SCSI_OP_SET_LIMIT10     0x33
117 #define EFI_SCSI_OP_SET_LIMIT12     0xb3
118 #define EFI_SCSI_OP_VERIFY10        0x2f
119 #define EFI_SCSI_OP_VERIFY12        0xaf
120 #define EFI_SCSI_OP_WRITE12         0xaa
121 #define EFI_SCSI_OP_WRITE_VERIFY10  0x2e
122 #define EFI_SCSI_OP_WRITE_VERIFY12  0xae
123 
124 //
125 // Additional commands for CD-ROM Devices
126 //
127 #define EFI_SCSI_OP_PLAY_AUD_10       0x45
128 #define EFI_SCSI_OP_PLAY_AUD_12       0xa5
129 #define EFI_SCSI_OP_PLAY_AUD_MSF      0x47
130 #define EFI_SCSI_OP_PLAY_AUD_TKIN     0x48
131 #define EFI_SCSI_OP_PLAY_TK_REL10     0x49
132 #define EFI_SCSI_OP_PLAY_TK_REL12     0xa9
133 #define EFI_SCSI_OP_READ_CD_CAPACITY  0x25
134 #define EFI_SCSI_OP_READ_HEADER       0x44
135 #define EFI_SCSI_OP_READ_SUB_CHANNEL  0x42
136 #define EFI_SCSI_OP_READ_TOC          0x43
137 
138 //
139 // Additional commands for Scanner Devices
140 //
141 #define EFI_SCSI_OP_GET_DATABUFF_STAT 0x34
142 #define EFI_SCSI_OP_GET_WINDOW        0x25
143 #define EFI_SCSI_OP_OBJECT_POS        0x31
144 #define EFI_SCSI_OP_SCAN              0x1b
145 #define EFI_SCSI_OP_SET_WINDOW        0x24
146 
147 //
148 // Additional commands for Optical Memory Devices
149 //
150 #define EFI_SCSI_OP_UPDATE_BLOCK  0x3d
151 
152 //
153 // Additional commands for Medium Changer Devices
154 //
155 #define EFI_SCSI_OP_EXCHANGE_MEDIUM   0xa6
156 #define EFI_SCSI_OP_INIT_ELEMENT_STAT 0x07
157 #define EFI_SCSI_OP_POS_TO_ELEMENT    0x2b
158 #define EFI_SCSI_OP_REQUEST_VE_ADDR   0xb5
159 #define EFI_SCSI_OP_SEND_VOL_TAG      0xb6
160 
161 //
162 // Additional commands for Communition Devices
163 //
164 #define EFI_SCSI_OP_GET_MESSAGE6    0x08
165 #define EFI_SCSI_OP_GET_MESSAGE10   0x28
166 #define EFI_SCSI_OP_GET_MESSAGE12   0xa8
167 #define EFI_SCSI_OP_SEND_MESSAGE6   0x0a
168 #define EFI_SCSI_OP_SEND_MESSAGE10  0x2a
169 #define EFI_SCSI_OP_SEND_MESSAGE12  0xaa
170 
171 //
172 // SCSI Data Transfer Direction
173 //
174 #define EFI_SCSI_DATA_IN  0
175 #define EFI_SCSI_DATA_OUT 1
176 
177 //
178 // Peripheral Device Type Definitions
179 //
180 #define EFI_SCSI_TYPE_DISK          0x00  ///< Direct-access device (e.g. magnetic disk)
181 #define EFI_SCSI_TYPE_TAPE          0x01  ///< Sequential-access device (e.g. magnetic tape)
182 #define EFI_SCSI_TYPE_PRINTER       0x02  ///< Printer device
183 #define EFI_SCSI_TYPE_PROCESSOR     0x03  ///< Processor device
184 #define EFI_SCSI_TYPE_WORM          0x04  ///< Write-once device (e.g. some optical disks)
185 #define EFI_SCSI_TYPE_CDROM         0x05  ///< CD-ROM device
186 #define EFI_SCSI_TYPE_SCANNER       0x06  ///< Scanner device
187 #define EFI_SCSI_TYPE_OPTICAL       0x07  ///< Optical memory device (e.g. some optical disks)
188 #define EFI_SCSI_TYPE_MEDIUMCHANGER 0x08  ///< Medium changer device (e.g. jukeboxes)
189 #define EFI_SCSI_TYPE_COMMUNICATION 0x09  ///< Communications device
190 #define EFI_SCSI_TYPE_ASCIT8_1      0x0A  ///< Defined by ASC IT8 (Graphic arts pre-press devices)
191 #define EFI_SCSI_TYPE_ASCIT8_2      0x0B  ///< Defined by ASC IT8 (Graphic arts pre-press devices)
192 //
193 // 0Ch - 1Eh are reserved
194 //
195 #define EFI_SCSI_TYPE_UNKNOWN       0x1F  ///< Unknown or no device type
196 
197 //
198 // Page Codes for INQUIRY command
199 //
200 #define EFI_SCSI_PAGE_CODE_SUPPORTED_VPD    0x00
201 #define EFI_SCSI_PAGE_CODE_BLOCK_LIMITS_VPD 0xB0
202 
203 #pragma pack(1)
204 ///
205 /// Standard INQUIRY data format
206 ///
207 typedef struct {
208   UINT8 Peripheral_Type : 5;
209   UINT8 Peripheral_Qualifier : 3;
210   UINT8 DeviceType_Modifier : 7;
211   UINT8 Rmb : 1;
212   UINT8 Version;
213   UINT8 Response_Data_Format;
214   UINT8 Addnl_Length;
215   UINT8 Reserved_5_95[95 - 5 + 1];
216 } EFI_SCSI_INQUIRY_DATA;
217 
218 ///
219 /// Supported VPD Pages VPD page
220 ///
221 typedef struct {
222   UINT8 Peripheral_Type : 5;
223   UINT8 Peripheral_Qualifier : 3;
224   UINT8 PageCode;
225   UINT8 PageLength2;
226   UINT8 PageLength1;
227   UINT8 SupportedVpdPageList[0x100];
228 } EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE;
229 
230 ///
231 /// Block Limits VPD page
232 ///
233 typedef struct {
234   UINT8 Peripheral_Type : 5;
235   UINT8 Peripheral_Qualifier : 3;
236   UINT8 PageCode;
237   UINT8 Reserved_2;
238   UINT8 PageLength;
239   UINT8 Reserved_4_5[2];
240   UINT8 OptimalTransferLengthGranularity2;
241   UINT8 OptimalTransferLengthGranularity1;
242   UINT8 MaximumTransferLength4;
243   UINT8 MaximumTransferLength3;
244   UINT8 MaximumTransferLength2;
245   UINT8 MaximumTransferLength1;
246   UINT8 OptimalTransferLength4;
247   UINT8 OptimalTransferLength3;
248   UINT8 OptimalTransferLength2;
249   UINT8 OptimalTransferLength1;
250   UINT8 MaximumPrefetchXdreadXdwriteTransferLength4;
251   UINT8 MaximumPrefetchXdreadXdwriteTransferLength3;
252   UINT8 MaximumPrefetchXdreadXdwriteTransferLength2;
253   UINT8 MaximumPrefetchXdreadXdwriteTransferLength1;
254 } EFI_SCSI_BLOCK_LIMITS_VPD_PAGE;
255 
256 ///
257 /// Error codes 70h and 71h sense data format
258 ///
259 typedef struct {
260   UINT8 Error_Code : 7;
261   UINT8 Valid : 1;
262   UINT8 Segment_Number;
263   UINT8 Sense_Key : 4;
264   UINT8 Reserved_21 : 1;
265   UINT8 Ili : 1;
266   UINT8 Reserved_22 : 2;
267   UINT8 Information_3_6[4];
268   UINT8 Addnl_Sense_Length;           ///< Additional sense length (n-7)
269   UINT8 Vendor_Specific_8_11[4];
270   UINT8 Addnl_Sense_Code;             ///< Additional sense code
271   UINT8 Addnl_Sense_Code_Qualifier;   ///< Additional sense code qualifier
272   UINT8 Field_Replaceable_Unit_Code;  ///< Field replaceable unit code
273   UINT8 Reserved_15_17[3];
274 } EFI_SCSI_SENSE_DATA;
275 
276 ///
277 /// SCSI Disk READ CAPACITY Data
278 ///
279 typedef struct {
280   UINT8 LastLba3;
281   UINT8 LastLba2;
282   UINT8 LastLba1;
283   UINT8 LastLba0;
284   UINT8 BlockSize3;
285   UINT8 BlockSize2;
286   UINT8 BlockSize1;
287   UINT8 BlockSize0;
288 } EFI_SCSI_DISK_CAPACITY_DATA;
289 
290 typedef struct {
291   UINT8 LastLba7;
292   UINT8 LastLba6;
293   UINT8 LastLba5;
294   UINT8 LastLba4;
295   UINT8 LastLba3;
296   UINT8 LastLba2;
297   UINT8 LastLba1;
298   UINT8 LastLba0;
299   UINT8 BlockSize3;
300   UINT8 BlockSize2;
301   UINT8 BlockSize1;
302   UINT8 BlockSize0;
303   UINT8 Protection;
304   UINT8 LogicPerPhysical;
305   UINT8 LowestAlignLogic2;
306   UINT8 LowestAlignLogic1;
307   UINT8 Reserved[16];
308 } EFI_SCSI_DISK_CAPACITY_DATA16;
309 
310 
311 #pragma pack()
312 
313 //
314 // Sense Key
315 //
316 #define EFI_SCSI_SK_NO_SENSE          (0x0)
317 #define EFI_SCSI_SK_RECOVERY_ERROR    (0x1)
318 #define EFI_SCSI_SK_NOT_READY         (0x2)
319 #define EFI_SCSI_SK_MEDIUM_ERROR      (0x3)
320 #define EFI_SCSI_SK_HARDWARE_ERROR    (0x4)
321 #define EFI_SCSI_SK_ILLEGAL_REQUEST   (0x5)
322 #define EFI_SCSI_SK_UNIT_ATTENTION    (0x6)
323 #define EFI_SCSI_SK_DATA_PROTECT      (0x7)
324 #define EFI_SCSI_SK_BLANK_CHECK       (0x8)
325 #define EFI_SCSI_SK_VENDOR_SPECIFIC   (0x9)
326 #define EFI_SCSI_SK_RESERVED_A        (0xA)
327 #define EFI_SCSI_SK_ABORT             (0xB)
328 #define EFI_SCSI_SK_RESERVED_C        (0xC)
329 #define EFI_SCSI_SK_OVERFLOW          (0xD)
330 #define EFI_SCSI_SK_MISCOMPARE        (0xE)
331 #define EFI_SCSI_SK_RESERVED_F        (0xF)
332 
333 //
334 // Additional Sense Codes and Sense Code Qualifiers.
335 // Only some frequently used additional sense codes and qualifiers are
336 // defined here. Please refer to SCSI standard for full value definition.
337 //
338 #define EFI_SCSI_ASC_NOT_READY                    (0x04)
339 #define EFI_SCSI_ASCQ_IN_PROGRESS                 (0x01)
340 
341 #define EFI_SCSI_ASC_MEDIA_ERR1                   (0x10)
342 #define EFI_SCSI_ASC_MEDIA_ERR2                   (0x11)
343 #define EFI_SCSI_ASC_MEDIA_ERR3                   (0x14)
344 #define EFI_SCSI_ASC_MEDIA_ERR4                   (0x30)
345 #define EFI_SCSI_ASC_MEDIA_UPSIDE_DOWN            (0x06)
346 #define EFI_SCSI_ASC_INVALID_CMD                  (0x20)
347 #define EFI_SCSI_ASC_LBA_OUT_OF_RANGE             (0x21)
348 #define EFI_SCSI_ASC_INVALID_FIELD                (0x24)
349 #define EFI_SCSI_ASC_WRITE_PROTECTED              (0x27)
350 #define EFI_SCSI_ASC_MEDIA_CHANGE                 (0x28)
351 #define EFI_SCSI_ASC_RESET                        (0x29)   ///< Power On Reset or Bus Reset occurred
352 #define EFI_SCSI_ASC_ILLEGAL_FIELD                (0x26)
353 #define EFI_SCSI_ASC_NO_MEDIA                     (0x3A)
354 #define EFI_SCSI_ASC_ILLEGAL_MODE_FOR_THIS_TRACK  (0x64)
355 
356 #endif
357