mirror of
https://github.com/felis/USB_Host_Shield_2.0.git
synced 2024-03-22 11:31:26 +01:00
554 lines
18 KiB
C++
554 lines
18 KiB
C++
#if !defined(__MASSTORAGE_H__)
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#define __MASSTORAGE_H__
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// Cruft removal, makes driver smaller, faster.
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#ifndef MS_WANT_PARSER
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#define MS_WANT_PARSER 0
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#endif
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#include "Usb.h"
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#define bmREQ_MASSOUT USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_INTERFACE
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#define bmREQ_MASSIN USB_SETUP_DEVICE_TO_HOST|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_INTERFACE
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// Mass Storage Subclass Constants
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#define MASS_SUBCLASS_SCSI_NOT_REPORTED 0x00 // De facto use
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#define MASS_SUBCLASS_RBC 0x01
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#define MASS_SUBCLASS_ATAPI 0x02 // MMC-5 (ATAPI)
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#define MASS_SUBCLASS_OBSOLETE1 0x03 // Was QIC-157
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#define MASS_SUBCLASS_UFI 0x04 // Specifies how to interface Floppy Disk Drives to USB
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#define MASS_SUBCLASS_OBSOLETE2 0x05 // Was SFF-8070i
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#define MASS_SUBCLASS_SCSI 0x06 // SCSI Transparent Command Set
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#define MASS_SUBCLASS_LSDFS 0x07 // Specifies how host has to negotiate access before trying SCSI
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#define MASS_SUBCLASS_IEEE1667 0x08
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// Mass Storage Class Protocols
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#define MASS_PROTO_CBI 0x00 // CBI (with command completion interrupt)
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#define MASS_PROTO_CBI_NO_INT 0x01 // CBI (without command completion interrupt)
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#define MASS_PROTO_OBSOLETE 0x02
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#define MASS_PROTO_BBB 0x50 // Bulk Only Transport
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#define MASS_PROTO_UAS 0x62
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// Request Codes
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#define MASS_REQ_ADSC 0x00
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#define MASS_REQ_GET 0xFC
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#define MASS_REQ_PUT 0xFD
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#define MASS_REQ_GET_MAX_LUN 0xFE
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#define MASS_REQ_BOMSR 0xFF // Bulk-Only Mass Storage Reset
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#define MASS_CBW_SIGNATURE 0x43425355
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#define MASS_CSW_SIGNATURE 0x53425355
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#define MASS_CMD_DIR_OUT 0 // (0 << 7)
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#define MASS_CMD_DIR_IN 0x80 //(1 << 7)
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/*
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* Reference documents from T10 (http://www.t10.org)
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* SCSI Primary Commands - 3 (SPC-3)
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* SCSI Block Commands - 2 (SBC-2)
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* Multi-Media Commands - 5 (MMC-5)
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*/
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/* Group 1 commands (CDB's here are should all be 6-bytes) */
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#define SCSI_CMD_TEST_UNIT_READY 0x00
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#define SCSI_CMD_REQUEST_SENSE 0x03
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#define SCSI_CMD_FORMAT_UNIT 0x04
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#define SCSI_CMD_READ_6 0x08
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#define SCSI_CMD_WRITE_6 0x0A
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#define SCSI_CMD_INQUIRY 0x12
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#define SCSI_CMD_MODE_SELECT_6 0x15
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#define SCSI_CMD_MODE_SENSE_6 0x1A
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#define SCSI_CMD_START_STOP_UNIT 0x1B
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#define SCSI_CMD_PREVENT_REMOVAL 0x1E
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/* Group 2 Commands (CDB's here are 10-bytes) */
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#define SCSI_CMD_READ_FORMAT_CAPACITIES 0x23
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#define SCSI_CMD_READ_CAPACITY_10 0x25
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#define SCSI_CMD_READ_10 0x28
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#define SCSI_CMD_WRITE_10 0x2A
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#define SCSI_CMD_SEEK_10 0x2B
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#define SCSI_CMD_ERASE_10 0x2C
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#define SCSI_CMD_WRITE_AND_VERIFY_10 0x2E
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#define SCSI_CMD_VERIFY_10 0x2F
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#define SCSI_CMD_SYNCHRONIZE_CACHE 0x35
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#define SCSI_CMD_WRITE_BUFFER 0x3B
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#define SCSI_CMD_READ_BUFFER 0x3C
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#define SCSI_CMD_READ_SUBCHANNEL 0x42
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#define SCSI_CMD_READ_TOC 0x43
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#define SCSI_CMD_READ_HEADER 0x44
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#define SCSI_CMD_PLAY_AUDIO_10 0x45
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#define SCSI_CMD_GET_CONFIGURATION 0x46
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#define SCSI_CMD_PLAY_AUDIO_MSF 0x47
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#define SCSI_CMD_PLAY_AUDIO_TI 0x48
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#define SCSI_CMD_PLAY_TRACK_REL_10 0x49
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#define SCSI_CMD_GET_EVENT_STATUS 0x4A
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#define SCSI_CMD_PAUSE_RESUME 0x4B
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#define SCSI_CMD_READ_DISC_INFORMATION 0x51
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#define SCSI_CMD_READ_TRACK_INFORMATION 0x52
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#define SCSI_CMD_RESERVE_TRACK 0x53
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#define SCSI_CMD_SEND_OPC_INFORMATION 0x54
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#define SCSI_CMD_MODE_SELECT_10 0x55
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#define SCSI_CMD_REPAIR_TRACK 0x58
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#define SCSI_CMD_MODE_SENSE_10 0x5A
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#define SCSI_CMD_CLOSE_TRACK_SESSION 0x5B
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#define SCSI_CMD_READ_BUFFER_CAPACITY 0x5C
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#define SCSI_CMD_SEND_CUE_SHEET 0x5D
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/* Group 5 Commands (CDB's here are 12-bytes) */
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#define SCSI_CMD_REPORT_LUNS 0xA0
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#define SCSI_CMD_BLANK 0xA1
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#define SCSI_CMD_SECURITY_PROTOCOL_IN 0xA2
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#define SCSI_CMD_SEND_KEY 0xA3
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#define SCSI_CMD_REPORT_KEY 0xA4
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#define SCSI_CMD_PLAY_AUDIO_12 0xA5
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#define SCSI_CMD_LOAD_UNLOAD 0xA6
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#define SCSI_CMD_SET_READ_AHEAD 0xA7
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#define SCSI_CMD_READ_12 0xA8
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#define SCSI_CMD_PLAY_TRACK_REL_12 0xA9
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#define SCSI_CMD_WRITE_12 0xAA
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#define SCSI_CMD_READ_MEDIA_SERIAL_12 0xAB
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#define SCSI_CMD_GET_PERFORMANCE 0xAC
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#define SCSI_CMD_READ_DVD_STRUCTURE 0xAD
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#define SCSI_CMD_SECURITY_PROTOCOL_OUT 0xB5
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#define SCSI_CMD_SET_STREAMING 0xB6
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#define SCSI_CMD_READ_MSF 0xB9
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#define SCSI_CMD_SET_SPEED 0xBB
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#define SCSI_CMD_MECHANISM_STATUS 0xBD
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#define SCSI_CMD_READ_CD 0xBE
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#define SCSI_CMD_SEND_DISC_STRUCTURE 0xBF
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/* Vendor-unique Commands, included for completeness */
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#define SCSI_CMD_CD_PLAYBACK_STATUS 0xC4 /* SONY unique */
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#define SCSI_CMD_PLAYBACK_CONTROL 0xC9 /* SONY unique */
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#define SCSI_CMD_READ_CDDA 0xD8 /* Vendor unique */
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#define SCSI_CMD_READ_CDXA 0xDB /* Vendor unique */
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#define SCSI_CMD_READ_ALL_SUBCODES 0xDF /* Vendor unique */
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/* SCSI error codes */
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#define SCSI_S_NOT_READY 0x02
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#define SCSI_S_MEDIUM_ERROR 0x03
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#define SCSI_S_ILLEGAL_REQUEST 0x05
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#define SCSI_S_UNIT_ATTENTION 0x06
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#define SCSI_ASC_LBA_OUT_OF_RANGE 0x21
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#define SCSI_ASC_MEDIA_CHANGED 0x28
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#define SCSI_ASC_MEDIUM_NOT_PRESENT 0x3A
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/* USB error codes */
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#define MASS_ERR_SUCCESS 0x00
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#define MASS_ERR_PHASE_ERROR 0x02
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#define MASS_ERR_UNIT_NOT_READY 0x03
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#define MASS_ERR_UNIT_BUSY 0x04
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#define MASS_ERR_STALL 0x05
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#define MASS_ERR_CMD_NOT_SUPPORTED 0x06
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#define MASS_ERR_INVALID_CSW 0x07
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#define MASS_ERR_NO_MEDIA 0x08
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#define MASS_ERR_BAD_LBA 0x09
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#define MASS_ERR_MEDIA_CHANGED 0x0A
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#define MASS_ERR_DEVICE_DISCONNECTED 0x11
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#define MASS_ERR_UNABLE_TO_RECOVER 0x12 // Reset recovery error
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#define MASS_ERR_INVALID_LUN 0x13
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#define MASS_ERR_WRITE_STALL 0x14
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#define MASS_ERR_READ_NAKS 0x15
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#define MASS_ERR_WRITE_NAKS 0x16
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#define MASS_ERR_WRITE_PROTECTED 0x17
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#define MASS_ERR_NOT_IMPLEMENTED 0xFD
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#define MASS_ERR_GENERAL_SCSI_ERROR 0xFE
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#define MASS_ERR_GENERAL_USB_ERROR 0xFF
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#define MASS_ERR_USER 0xA0 // For subclasses to define their own error codes
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#define MASS_TRANS_FLG_CALLBACK 0x01 // Callback is involved
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#define MASS_TRANS_FLG_NO_STALL_CHECK 0x02 // STALL condition is not checked
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#define MASS_TRANS_FLG_NO_PHASE_CHECK 0x04 // PHASE_ERROR is not checked
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#define MASS_MAX_ENDPOINTS 3
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struct Capacity {
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uint8_t data[8];
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//uint32_t dwBlockAddress;
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//uint32_t dwBlockLength;
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} __attribute__((packed));
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struct BASICCDB {
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uint8_t Opcode;
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unsigned unused : 5;
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unsigned LUN : 3;
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uint8_t info[12];
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} __attribute__((packed));
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typedef BASICCDB BASICCDB_t;
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struct CDB6 {
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uint8_t Opcode;
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unsigned LBAMSB : 5;
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unsigned LUN : 3;
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uint8_t LBAHB;
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uint8_t LBALB;
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uint8_t AllocationLength;
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uint8_t Control;
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public:
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CDB6(uint8_t _Opcode, uint8_t _LUN, uint32_t LBA, uint8_t _AllocationLength, uint8_t _Control) :
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Opcode(_Opcode), LBAMSB(BGRAB2(LBA) & 0x1f), LUN(_LUN), LBAHB(BGRAB1(LBA)), LBALB(BGRAB0(LBA)),
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AllocationLength(_AllocationLength), Control(_Control) {
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}
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CDB6(uint8_t _Opcode, uint8_t _LUN, uint8_t _AllocationLength, uint8_t _Control) :
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Opcode(_Opcode), LBAMSB(0), LUN(_LUN), LBAHB(0), LBALB(0),
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AllocationLength(_AllocationLength), Control(_Control) {
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}
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} __attribute__((packed));
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typedef CDB6 CDB6_t;
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struct CDB10 {
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uint8_t Opcode;
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unsigned Service_Action : 5;
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unsigned LUN : 3;
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uint8_t LBA_L_M_MB;
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uint8_t LBA_L_M_LB;
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uint8_t LBA_L_L_MB;
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uint8_t LBA_L_L_LB;
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uint8_t Misc2;
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uint8_t ALC_MB;
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uint8_t ALC_LB;
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uint8_t Control;
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public:
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CDB10(uint8_t _Opcode, uint8_t _LUN) :
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Opcode(_Opcode), Service_Action(0), LUN(_LUN),
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LBA_L_M_MB(0), LBA_L_M_LB(0), LBA_L_L_MB(0), LBA_L_L_LB(0),
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Misc2(0), ALC_MB(0), ALC_LB(0), Control(0) {
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}
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CDB10(uint8_t _Opcode, uint8_t _LUN, uint16_t xflen, uint32_t _LBA) :
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Opcode(_Opcode), Service_Action(0), LUN(_LUN),
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LBA_L_M_MB(BGRAB3(_LBA)), LBA_L_M_LB(BGRAB2(_LBA)), LBA_L_L_MB(BGRAB1(_LBA)), LBA_L_L_LB(BGRAB0(_LBA)),
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Misc2(0), ALC_MB(BGRAB1(xflen)), ALC_LB(BGRAB0(xflen)), Control(0) {
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}
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} __attribute__((packed));
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typedef CDB10 CDB10_t;
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struct CDB12 {
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uint8_t Opcode;
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unsigned Service_Action : 5;
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unsigned Misc : 3;
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uint8_t LBA_L_M_LB;
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uint8_t LBA_L_L_MB;
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uint8_t LBA_L_L_LB;
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uint8_t ALC_M_LB;
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uint8_t ALC_L_MB;
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uint8_t ALC_L_LB;
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uint8_t Control;
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} __attribute__((packed));
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typedef CDB12 CDB12_t;
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struct CDB_LBA32_16 {
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uint8_t Opcode;
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unsigned Service_Action : 5;
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unsigned Misc : 3;
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uint8_t LBA_L_M_MB;
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uint8_t LBA_L_M_LB;
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uint8_t LBA_L_L_MB;
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uint8_t LBA_L_L_LB;
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uint8_t A_M_M_MB;
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uint8_t A_M_M_LB;
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uint8_t A_M_L_MB;
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uint8_t A_M_L_LB;
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uint8_t ALC_M_MB;
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uint8_t ALC_M_LB;
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uint8_t ALC_L_MB;
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uint8_t ALC_L_LB;
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uint8_t Misc2;
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uint8_t Control;
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} __attribute__((packed));
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struct CDB_LBA64_16 {
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uint8_t Opcode;
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uint8_t Misc;
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uint8_t LBA_M_M_MB;
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uint8_t LBA_M_M_LB;
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uint8_t LBA_M_L_MB;
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uint8_t LBA_M_L_LB;
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uint8_t LBA_L_M_MB;
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uint8_t LBA_L_M_LB;
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uint8_t LBA_L_L_MB;
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uint8_t LBA_L_L_LB;
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uint8_t ALC_M_MB;
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uint8_t ALC_M_LB;
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uint8_t ALC_L_MB;
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uint8_t ALC_L_LB;
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uint8_t Misc2;
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uint8_t Control;
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} __attribute__((packed));
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struct InquiryResponse {
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uint8_t DeviceType : 5;
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uint8_t PeripheralQualifier : 3;
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unsigned Reserved : 7;
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unsigned Removable : 1;
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uint8_t Version;
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unsigned ResponseDataFormat : 4;
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unsigned HISUP : 1;
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unsigned NormACA : 1;
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unsigned TrmTsk : 1;
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unsigned AERC : 1;
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uint8_t AdditionalLength;
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//uint8_t Reserved3[2];
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unsigned PROTECT : 1;
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unsigned Res : 2;
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unsigned ThreePC : 1;
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unsigned TPGS : 2;
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unsigned ACC : 1;
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unsigned SCCS : 1;
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unsigned ADDR16 : 1;
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unsigned R1 : 1;
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unsigned R2 : 1;
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unsigned MCHNGR : 1;
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unsigned MULTIP : 1;
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unsigned VS : 1;
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unsigned ENCSERV : 1;
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unsigned BQUE : 1;
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unsigned SoftReset : 1;
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unsigned CmdQue : 1;
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unsigned Reserved4 : 1;
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unsigned Linked : 1;
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unsigned Sync : 1;
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unsigned WideBus16Bit : 1;
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unsigned WideBus32Bit : 1;
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unsigned RelAddr : 1;
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uint8_t VendorID[8];
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uint8_t ProductID[16];
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uint8_t RevisionID[4];
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} __attribute__((packed));
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struct CommandBlockWrapperBase {
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uint32_t dCBWSignature;
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uint32_t dCBWTag;
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uint32_t dCBWDataTransferLength;
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uint8_t bmCBWFlags;
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public:
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CommandBlockWrapperBase() {
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}
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CommandBlockWrapperBase(uint32_t tag, uint32_t xflen, uint8_t flgs) :
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dCBWSignature(MASS_CBW_SIGNATURE), dCBWTag(tag), dCBWDataTransferLength(xflen), bmCBWFlags(flgs) {
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}
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} __attribute__((packed));
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struct CommandBlockWrapper : public CommandBlockWrapperBase {
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struct {
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uint8_t bmCBWLUN : 4;
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uint8_t bmReserved1 : 4;
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};
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struct {
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uint8_t bmCBWCBLength : 4;
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uint8_t bmReserved2 : 4;
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};
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uint8_t CBWCB[16];
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public:
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// All zeroed.
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CommandBlockWrapper() :
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CommandBlockWrapperBase(0, 0, 0), bmReserved1(0), bmReserved2(0) {
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for(int i = 0; i < 16; i++) CBWCB[i] = 0;
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}
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// Generic Wrap, CDB zeroed.
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CommandBlockWrapper(uint32_t tag, uint32_t xflen, uint8_t flgs, uint8_t lu, uint8_t cmdlen, uint8_t cmd) :
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CommandBlockWrapperBase(tag, xflen, flgs),
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bmCBWLUN(lu), bmReserved1(0), bmCBWCBLength(cmdlen), bmReserved2(0) {
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for(int i = 0; i < 16; i++) CBWCB[i] = 0;
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// Type punning can cause optimization problems and bugs.
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// Using reinterpret_cast to a dreinterpretifferent object is the proper way to do this.
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//(((BASICCDB_t *) CBWCB)->LUN) = cmd;
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BASICCDB_t *x = reinterpret_cast<BASICCDB_t *>(CBWCB);
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x->LUN = cmd;
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}
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// Wrap for CDB of 6
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CommandBlockWrapper(uint32_t tag, uint32_t xflen, CDB6_t *cdb, uint8_t dir) :
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CommandBlockWrapperBase(tag, xflen, dir),
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bmCBWLUN(cdb->LUN), bmReserved1(0), bmCBWCBLength(6), bmReserved2(0) {
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memcpy(&CBWCB, cdb, 6);
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}
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// Wrap for CDB of 10
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CommandBlockWrapper(uint32_t tag, uint32_t xflen, CDB10_t *cdb, uint8_t dir) :
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CommandBlockWrapperBase(tag, xflen, dir),
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bmCBWLUN(cdb->LUN), bmReserved1(0), bmCBWCBLength(10), bmReserved2(0) {
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memcpy(&CBWCB, cdb, 10);
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}
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} __attribute__((packed));
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struct CommandStatusWrapper {
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uint32_t dCSWSignature;
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uint32_t dCSWTag;
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uint32_t dCSWDataResidue;
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uint8_t bCSWStatus;
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} __attribute__((packed));
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struct RequestSenseResponce {
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uint8_t bResponseCode;
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uint8_t bSegmentNumber;
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uint8_t bmSenseKey : 4;
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uint8_t bmReserved : 1;
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uint8_t bmILI : 1;
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uint8_t bmEOM : 1;
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uint8_t bmFileMark : 1;
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uint8_t Information[4];
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uint8_t bAdditionalLength;
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uint8_t CmdSpecificInformation[4];
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uint8_t bAdditionalSenseCode;
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uint8_t bAdditionalSenseQualifier;
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uint8_t bFieldReplaceableUnitCode;
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uint8_t SenseKeySpecific[3];
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} __attribute__((packed));
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class BulkOnly : public USBDeviceConfig, public UsbConfigXtracter {
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protected:
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static const uint8_t epDataInIndex; // DataIn endpoint index
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static const uint8_t epDataOutIndex; // DataOUT endpoint index
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static const uint8_t epInterruptInIndex; // InterruptIN endpoint index
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USB *pUsb;
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uint8_t bAddress;
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uint8_t bConfNum; // configuration number
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uint8_t bIface; // interface value
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uint8_t bNumEP; // total number of EP in the configuration
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uint32_t qNextPollTime; // next poll time
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bool bPollEnable; // poll enable flag
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|
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EpInfo epInfo[MASS_MAX_ENDPOINTS];
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uint32_t dCBWTag; // Tag
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//uint32_t dCBWDataTransferLength; // Data Transfer Length
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uint8_t bLastUsbError; // Last USB error
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uint8_t bMaxLUN; // Max LUN
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uint8_t bTheLUN; // Active LUN
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uint32_t CurrentCapacity[MASS_MAX_SUPPORTED_LUN]; // Total sectors
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|
uint16_t CurrentSectorSize[MASS_MAX_SUPPORTED_LUN]; // Sector size, clipped to 16 bits
|
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bool LUNOk[MASS_MAX_SUPPORTED_LUN]; // use this to check for media changes.
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bool WriteOk[MASS_MAX_SUPPORTED_LUN];
|
|
void PrintEndpointDescriptor(const USB_ENDPOINT_DESCRIPTOR* ep_ptr);
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|
|
|
|
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// Additional Initialization Method for Subclasses
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|
|
|
virtual uint8_t OnInit() {
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|
return 0;
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|
};
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public:
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|
BulkOnly(USB *p);
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|
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uint8_t GetLastUsbError() {
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|
return bLastUsbError;
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};
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|
|
|
uint8_t GetbMaxLUN() {
|
|
return bMaxLUN; // Max LUN
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|
}
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|
|
|
uint8_t GetbTheLUN() {
|
|
return bTheLUN; // Active LUN
|
|
}
|
|
|
|
boolean WriteProtected(uint8_t lun);
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|
uint8_t MediaCTL(uint8_t lun, uint8_t ctl);
|
|
uint8_t Read(uint8_t lun, uint32_t addr, uint16_t bsize, uint8_t blocks, uint8_t *buf);
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|
uint8_t Read(uint8_t lun, uint32_t addr, uint16_t bsize, uint8_t blocks, USBReadParser *prs);
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|
uint8_t Write(uint8_t lun, uint32_t addr, uint16_t bsize, uint8_t blocks, const uint8_t *buf);
|
|
uint8_t LockMedia(uint8_t lun, uint8_t lock);
|
|
|
|
bool LUNIsGood(uint8_t lun);
|
|
uint32_t GetCapacity(uint8_t lun);
|
|
uint16_t GetSectorSize(uint8_t lun);
|
|
|
|
// USBDeviceConfig implementation
|
|
virtual uint8_t Init(uint8_t parent, uint8_t port, bool lowspeed);
|
|
virtual uint8_t ConfigureDevice(uint8_t parent, uint8_t port, bool lowspeed);
|
|
|
|
virtual uint8_t Release();
|
|
virtual uint8_t Poll();
|
|
|
|
virtual uint8_t GetAddress() {
|
|
return bAddress;
|
|
};
|
|
|
|
// UsbConfigXtracter implementation
|
|
virtual void EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *ep);
|
|
|
|
virtual boolean DEVCLASSOK(uint8_t klass) {
|
|
return (klass == USB_CLASS_MASS_STORAGE);
|
|
}
|
|
|
|
uint8_t SCSITransaction6(CDB6_t *cdb, uint16_t buf_size, void *buf, uint8_t dir);
|
|
uint8_t SCSITransaction10(CDB10_t *cdb, uint16_t buf_size, void *buf, uint8_t dir);
|
|
|
|
private:
|
|
uint8_t Inquiry(uint8_t lun, uint16_t size, uint8_t *buf);
|
|
uint8_t TestUnitReady(uint8_t lun);
|
|
uint8_t RequestSense(uint8_t lun, uint16_t size, uint8_t *buf);
|
|
uint8_t ModeSense6(uint8_t lun, uint8_t pc, uint8_t page, uint8_t subpage, uint8_t len, uint8_t *buf);
|
|
uint8_t GetMaxLUN(uint8_t *max_lun);
|
|
uint8_t SetCurLUN(uint8_t lun);
|
|
void Reset();
|
|
uint8_t ResetRecovery();
|
|
uint8_t ReadCapacity10(uint8_t lun, uint8_t *buf);
|
|
void ClearAllEP();
|
|
void CheckMedia();
|
|
boolean CheckLUN(uint8_t lun);
|
|
uint8_t Page3F(uint8_t lun);
|
|
bool IsValidCBW(uint8_t size, uint8_t *pcbw);
|
|
bool IsMeaningfulCBW(uint8_t size, uint8_t *pcbw);
|
|
|
|
bool IsValidCSW(CommandStatusWrapper *pcsw, CommandBlockWrapperBase *pcbw);
|
|
|
|
uint8_t ClearEpHalt(uint8_t index);
|
|
#if MS_WANT_PARSER
|
|
uint8_t Transaction(CommandBlockWrapper *cbw, uint16_t bsize, void *buf, uint8_t flags);
|
|
#endif
|
|
uint8_t Transaction(CommandBlockWrapper *cbw, uint16_t bsize, void *buf);
|
|
uint8_t HandleUsbError(uint8_t error, uint8_t index);
|
|
uint8_t HandleSCSIError(uint8_t status);
|
|
|
|
};
|
|
|
|
#endif // __MASSTORAGE_H__
|