]> git.donarmstrong.com Git - qmk_firmware.git/blob - lib/lufa/Demos/Device/LowLevel/MassStorage/Lib/SCSI.h
Merge commit '60b30c036397cb5627fa374bb930794b225daa29' as 'lib/lufa'
[qmk_firmware.git] / lib / lufa / Demos / Device / LowLevel / MassStorage / Lib / SCSI.h
1 /*
2              LUFA Library
3      Copyright (C) Dean Camera, 2017.
4
5   dean [at] fourwalledcubicle [dot] com
6            www.lufa-lib.org
7 */
8
9 /*
10   Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)
11
12   Permission to use, copy, modify, distribute, and sell this
13   software and its documentation for any purpose is hereby granted
14   without fee, provided that the above copyright notice appear in
15   all copies and that both that the copyright notice and this
16   permission notice and warranty disclaimer appear in supporting
17   documentation, and that the name of the author not be used in
18   advertising or publicity pertaining to distribution of the
19   software without specific, written prior permission.
20
21   The author disclaims all warranties with regard to this
22   software, including all implied warranties of merchantability
23   and fitness.  In no event shall the author be liable for any
24   special, indirect or consequential damages or any damages
25   whatsoever resulting from loss of use, data or profits, whether
26   in an action of contract, negligence or other tortious action,
27   arising out of or in connection with the use or performance of
28   this software.
29 */
30
31 /** \file
32  *
33  *  Header file for SCSI.c.
34  */
35
36 #ifndef _SCSI_H_
37 #define _SCSI_H_
38
39         /* Includes: */
40                 #include <avr/io.h>
41                 #include <avr/pgmspace.h>
42
43                 #include <LUFA/Common/Common.h>
44                 #include <LUFA/Drivers/USB/USB.h>
45                 #include <LUFA/Drivers/Board/LEDs.h>
46
47                 #include "../MassStorage.h"
48                 #include "../Descriptors.h"
49                 #include "DataflashManager.h"
50
51         /* Macros: */
52                 /** Macro to set the current SCSI sense data to the given key, additional sense code and additional sense qualifier. This
53                  *  is for convenience, as it allows for all three sense values (returned upon request to the host to give information about
54                  *  the last command failure) in a quick and easy manner.
55                  *
56                  *  \param[in] Key    New SCSI sense key to set the sense code to
57                  *  \param[in] Acode  New SCSI additional sense key to set the additional sense code to
58                  *  \param[in] Aqual  New SCSI additional sense key qualifier to set the additional sense qualifier code to
59                  */
60                 #define SCSI_SET_SENSE(Key, Acode, Aqual)  do { SenseData.SenseKey                 = (Key);   \
61                                                                 SenseData.AdditionalSenseCode      = (Acode); \
62                                                                 SenseData.AdditionalSenseQualifier = (Aqual); } while (0)
63
64                 /** Macro for the \ref SCSI_Command_ReadWrite_10() function, to indicate that data is to be read from the storage medium. */
65                 #define DATA_READ           true
66
67                 /** Macro for the \ref SCSI_Command_ReadWrite_10() function, to indicate that data is to be written to the storage medium. */
68                 #define DATA_WRITE          false
69
70                 /** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a Block Media device. */
71                 #define DEVICE_TYPE_BLOCK   0x00
72
73                 /** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a CD-ROM device. */
74                 #define DEVICE_TYPE_CDROM   0x05
75
76         /* Type Defines: */
77                 /** Type define for a SCSI response structure to a SCSI INQUIRY command. For details of the
78                  *  structure contents, refer to the SCSI specifications.
79                  */
80                 typedef struct
81                 {
82                         unsigned DeviceType          : 5;
83                         unsigned PeripheralQualifier : 3;
84
85                         unsigned Reserved            : 7;
86                         unsigned Removable           : 1;
87
88                         uint8_t  Version;
89
90                         unsigned ResponseDataFormat  : 4;
91                         unsigned Reserved2           : 1;
92                         unsigned NormACA             : 1;
93                         unsigned TrmTsk              : 1;
94                         unsigned AERC                : 1;
95
96                         uint8_t  AdditionalLength;
97                         uint8_t  Reserved3[2];
98
99                         unsigned SoftReset           : 1;
100                         unsigned CmdQue              : 1;
101                         unsigned Reserved4           : 1;
102                         unsigned Linked              : 1;
103                         unsigned Sync                : 1;
104                         unsigned WideBus16Bit        : 1;
105                         unsigned WideBus32Bit        : 1;
106                         unsigned RelAddr             : 1;
107
108                         uint8_t  VendorID[8];
109                         uint8_t  ProductID[16];
110                         uint8_t  RevisionID[4];
111                 } MS_SCSI_Inquiry_Response_t;
112
113                 /** Type define for a SCSI sense structure to a SCSI REQUEST SENSE command. For details of the
114                  *  structure contents, refer to the SCSI specifications.
115                  */
116                 typedef struct
117                 {
118                         uint8_t  ResponseCode;
119
120                         uint8_t  SegmentNumber;
121
122                         unsigned SenseKey            : 4;
123                         unsigned Reserved            : 1;
124                         unsigned ILI                 : 1;
125                         unsigned EOM                 : 1;
126                         unsigned FileMark            : 1;
127
128                         uint8_t  Information[4];
129                         uint8_t  AdditionalLength;
130                         uint8_t  CmdSpecificInformation[4];
131                         uint8_t  AdditionalSenseCode;
132                         uint8_t  AdditionalSenseQualifier;
133                         uint8_t  FieldReplaceableUnitCode;
134                         uint8_t  SenseKeySpecific[3];
135                 } MS_SCSI_Request_Sense_Response_t;
136
137         /* Function Prototypes: */
138                 bool SCSI_DecodeSCSICommand(void);
139
140                 #if defined(INCLUDE_FROM_SCSI_C)
141                         static bool SCSI_Command_Inquiry(void);
142                         static bool SCSI_Command_Request_Sense(void);
143                         static bool SCSI_Command_Read_Capacity_10(void);
144                         static bool SCSI_Command_Send_Diagnostic(void);
145                         static bool SCSI_Command_ReadWrite_10(const bool IsDataRead);
146                         static bool SCSI_Command_ModeSense_6(void);
147                 #endif
148
149 #endif
150