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///
207typedef 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///
221typedef 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///
233typedef 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///
259typedef 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///
279typedef 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
290typedef 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