SCSI protocol definitions for USBUS. More...

Detailed Description

SCSI protocol definitions for USBUS.

Author: Dylan Laduranty dylan.nosp@m..lad.nosp@m.urant.nosp@m.y@me.nosp@m.sotic.nosp@m..com

Definition in file scsi.h.

#include "byteorder.h"

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Data Structures
struct	msc_test_unit_pkt_t
	Packet structure to answer (SCSI_TEST_UNIT_READY) request. More...

struct	msc_mode_parameter_pkt_t
	Packet structure to answer (SCSI_MODE_SELECT6) and (SCSI_MODE_SENSE6) requests. More...

struct	msc_cbw_rw10_pkt_t
	CBW Packet structure for (SCSI_READ10) and (SCSI_WRITE10) requests. More...

struct	msc_inquiry_pkt_t
	Packet structure to answer (SCSI_INQUIRY) request. More...

struct	msc_read_fmt_capa_pkt_t
	Packet structure to answer (SCSI_READ_FORMAT_CAPACITIES) request. More...

struct	msc_request_sense_pkt_t
	Packet structure to answer (SCSI_REQUEST_SENSE) request. More...

struct	msc_read_capa_pkt_t
	Packet structure to answer (SCSI_READ_CAPACITY) request. More...

struct	msc_cbw_buf_t
	Command Block Wrapper packet structure. More...

struct	msc_csw_buf_t
	Command Status Wrapper packet structure. More...

struct	cbw_info_t
	USBUS Command Block Wrapper information. More...

Macros
#define	SCSI_CBW_SIGNATURE 0x43425355
	Command Block Wrapper signature.

#define	SCSI_CSW_SIGNATURE 0x53425355
	Command Status Wrapper signature.

#define	SCSI_REQUEST_SENSE_ERROR 0x70
	SCSI Request Sense error type.

Functions
void	usbus_msc_scsi_process_cmd (usbus_t usbus, usbus_handler_t handler, usbdev_ep_t *ep, size_t len)
	Process incoming Command Block Wrapper buffer.

void	scsi_gen_csw (usbus_handler_t handler, cbw_info_t cmd)
	Generate Command Status Wrapper and send it to the host.

#define	USBUS_MSC_VENDOR_ID "RIOT-OS"

#define	USBUS_MSC_PRODUCT_ID "RIOT_MSC_DISK "

#define	USBUS_MSC_PRODUCT_REV " 1.0"

USB SCSI Commands
See also Table 9 - Packet Commands Supported by ATAPI Block Devices from INF-8070i draft published by SFF
#define	SCSI_TEST_UNIT_READY 0x00
	SCSI Test Unit Ready.

#define	SCSI_REQUEST_SENSE 0x03
	SCSI Request Sense.

#define	SCSI_FORMAT_UNIT 0x04
	SCSI Format Unit.

#define	SCSI_INQUIRY 0x12
	SCSI Inquiry.

#define	SCSI_MODE_SELECT6 0x15
	SCSI Mode Select6.

#define	SCSI_MODE_SENSE6 0x1A
	SCSI Mode Sense6.

#define	SCSI_START_STOP_UNIT 0x1B
	SCSI Start Stop Unit.

#define	SCSI_MEDIA_REMOVAL 0x1E
	SCSI Media Removal.

#define	SCSI_READ_FORMAT_CAPACITIES 0x23
	SCSI Read Format Capacities.

#define	SCSI_READ_CAPACITY 0x25
	SCSI Read Capacity.

#define	SCSI_READ10 0x28
	SCSI Read10.

#define	SCCI_READ12 0xA8
	SCSI Read12.

#define	SCSI_WRITE10 0x2A
	SCSI Write10.

#define	SCSI_WRITE12 0xAA
	SCSI Write12.

#define	SCSI_SEEK 0x2B
	SCSI Seek.

#define	SCSI_WRITE_AND_VERIFY 0x2E
	SCSI Write and Verify.

#define	SCSI_VERIFY10 0x2F
	SCSI Verify10.

#define	SCSI_MODE_SELECT10 0x55
	SCSI Mode Select10.

#define	SCSI_MODE_SENSE10 0x5A
	SCSI Mode Sense10.

USB SCSI Version list
#define	SCSI_VERSION_NONE 0x0000

#define	SCSI_VERSION_SCSI1 0x0001

#define	SCSI_VERSION_SCSI2 0x0002

USB SCSI Read format capacities descriptor type
See also ( msc_read_fmt_capa_pkt_t )
#define	SCSI_READ_FMT_CAPA_TYPE_RESERVED 0x00

#define	SCSI_READ_FMT_CAPA_TYPE_UNFORMATTED 0x01

#define	SCSI_READ_FMT_CAPA_TYPE_FORMATTED 0x02

#define	SCSI_READ_FMT_CAPA_TYPE_NO_MEDIA 0x03

USB SCSI Request Sense Sense Key type
#define	SCSI_SENSE_KEY_NO_SENSE 0x00

#define	SCSI_SENSE_KEY_RECOVERED_ERROR 0x01

#define	SCSI_SENSE_KEY_NOT_READY 0x02

#define	SCSI_SENSE_KEY_MEDIUM_ERROR 0x03

#define	SCSI_SENSE_KEY_HARDWARE_ERROR 0x04

#define	SCSI_SENSE_KEY_ILLEGAL_REQUEST 0x05

#define	SCSI_SENSE_KEY_UNIT_ATTENTION 0x06

#define	SCSI_SENSE_KEY_DATA_PROTECT 0x07

#define	SCSI_SENSE_KEY_BLANK_CHECK 0x08

#define	SCSI_SENSE_KEY_VENDOR_SPECIFIC 0x09

#define	SCSI_SENSE_KEY_ABORTED_COMMAND 0x0B

#define	SCSI_SENSE_KEY_VOLUME_OVERFLOW 0x0D

#define	SCSI_SENSE_KEY_MISCOMPARE 0x0E

Macro Definition Documentation

◆ SCCI_READ12

#define SCCI_READ12 0xA8

SCSI Read12.

Definition at line 59 of file scsi.h.

◆ SCSI_CBW_SIGNATURE

#define SCSI_CBW_SIGNATURE 0x43425355

Command Block Wrapper signature.

Definition at line 72 of file scsi.h.

◆ SCSI_CSW_SIGNATURE

#define SCSI_CSW_SIGNATURE 0x53425355

Command Status Wrapper signature.

Definition at line 77 of file scsi.h.

◆ SCSI_FORMAT_UNIT

#define SCSI_FORMAT_UNIT 0x04

SCSI Format Unit.

Definition at line 50 of file scsi.h.

◆ SCSI_INQUIRY

#define SCSI_INQUIRY 0x12

SCSI Inquiry.

Definition at line 51 of file scsi.h.

◆ SCSI_MEDIA_REMOVAL

#define SCSI_MEDIA_REMOVAL 0x1E

SCSI Media Removal.

Definition at line 55 of file scsi.h.

◆ SCSI_MODE_SELECT10

#define SCSI_MODE_SELECT10 0x55

SCSI Mode Select10.

Definition at line 65 of file scsi.h.

◆ SCSI_MODE_SELECT6

#define SCSI_MODE_SELECT6 0x15

SCSI Mode Select6.

Definition at line 52 of file scsi.h.

◆ SCSI_MODE_SENSE10

#define SCSI_MODE_SENSE10 0x5A

SCSI Mode Sense10.

Definition at line 66 of file scsi.h.

◆ SCSI_MODE_SENSE6

#define SCSI_MODE_SENSE6 0x1A

SCSI Mode Sense6.

Definition at line 53 of file scsi.h.

◆ SCSI_READ10

#define SCSI_READ10 0x28

SCSI Read10.

Definition at line 58 of file scsi.h.

◆ SCSI_READ_CAPACITY

#define SCSI_READ_CAPACITY 0x25

SCSI Read Capacity.

Definition at line 57 of file scsi.h.

◆ SCSI_READ_FMT_CAPA_TYPE_FORMATTED

#define SCSI_READ_FMT_CAPA_TYPE_FORMATTED 0x02

Definition at line 96 of file scsi.h.

◆ SCSI_READ_FMT_CAPA_TYPE_NO_MEDIA

#define SCSI_READ_FMT_CAPA_TYPE_NO_MEDIA 0x03

Definition at line 97 of file scsi.h.

◆ SCSI_READ_FMT_CAPA_TYPE_RESERVED

#define SCSI_READ_FMT_CAPA_TYPE_RESERVED 0x00

Definition at line 94 of file scsi.h.

◆ SCSI_READ_FMT_CAPA_TYPE_UNFORMATTED

#define SCSI_READ_FMT_CAPA_TYPE_UNFORMATTED 0x01

Definition at line 95 of file scsi.h.

◆ SCSI_READ_FORMAT_CAPACITIES

#define SCSI_READ_FORMAT_CAPACITIES 0x23

SCSI Read Format Capacities.

Definition at line 56 of file scsi.h.

◆ SCSI_REQUEST_SENSE

#define SCSI_REQUEST_SENSE 0x03

SCSI Request Sense.

Definition at line 49 of file scsi.h.

◆ SCSI_REQUEST_SENSE_ERROR

#define SCSI_REQUEST_SENSE_ERROR 0x70

SCSI Request Sense error type.

Definition at line 103 of file scsi.h.

◆ SCSI_SEEK

#define SCSI_SEEK 0x2B

SCSI Seek.

Definition at line 62 of file scsi.h.

◆ SCSI_SENSE_KEY_ABORTED_COMMAND

#define SCSI_SENSE_KEY_ABORTED_COMMAND 0x0B

Definition at line 120 of file scsi.h.

◆ SCSI_SENSE_KEY_BLANK_CHECK

#define SCSI_SENSE_KEY_BLANK_CHECK 0x08

Definition at line 118 of file scsi.h.

◆ SCSI_SENSE_KEY_DATA_PROTECT

#define SCSI_SENSE_KEY_DATA_PROTECT 0x07

Definition at line 117 of file scsi.h.

◆ SCSI_SENSE_KEY_HARDWARE_ERROR

#define SCSI_SENSE_KEY_HARDWARE_ERROR 0x04

Definition at line 114 of file scsi.h.

◆ SCSI_SENSE_KEY_ILLEGAL_REQUEST

#define SCSI_SENSE_KEY_ILLEGAL_REQUEST 0x05

Definition at line 115 of file scsi.h.

◆ SCSI_SENSE_KEY_MEDIUM_ERROR

#define SCSI_SENSE_KEY_MEDIUM_ERROR 0x03

Definition at line 113 of file scsi.h.

◆ SCSI_SENSE_KEY_MISCOMPARE

#define SCSI_SENSE_KEY_MISCOMPARE 0x0E

Definition at line 122 of file scsi.h.

◆ SCSI_SENSE_KEY_NO_SENSE

#define SCSI_SENSE_KEY_NO_SENSE 0x00

Definition at line 110 of file scsi.h.

◆ SCSI_SENSE_KEY_NOT_READY

#define SCSI_SENSE_KEY_NOT_READY 0x02

Definition at line 112 of file scsi.h.

◆ SCSI_SENSE_KEY_RECOVERED_ERROR

#define SCSI_SENSE_KEY_RECOVERED_ERROR 0x01

Definition at line 111 of file scsi.h.

◆ SCSI_SENSE_KEY_UNIT_ATTENTION

#define SCSI_SENSE_KEY_UNIT_ATTENTION 0x06

Definition at line 116 of file scsi.h.

◆ SCSI_SENSE_KEY_VENDOR_SPECIFIC

#define SCSI_SENSE_KEY_VENDOR_SPECIFIC 0x09

Definition at line 119 of file scsi.h.

◆ SCSI_SENSE_KEY_VOLUME_OVERFLOW

#define SCSI_SENSE_KEY_VOLUME_OVERFLOW 0x0D

Definition at line 121 of file scsi.h.

◆ SCSI_START_STOP_UNIT

#define SCSI_START_STOP_UNIT 0x1B

SCSI Start Stop Unit.

Definition at line 54 of file scsi.h.

◆ SCSI_TEST_UNIT_READY

#define SCSI_TEST_UNIT_READY 0x00

SCSI Test Unit Ready.

Definition at line 48 of file scsi.h.

◆ SCSI_VERIFY10

#define SCSI_VERIFY10 0x2F

SCSI Verify10.

Definition at line 64 of file scsi.h.

◆ SCSI_VERSION_NONE

#define SCSI_VERSION_NONE 0x0000

Definition at line 83 of file scsi.h.

◆ SCSI_VERSION_SCSI1

#define SCSI_VERSION_SCSI1 0x0001

Definition at line 84 of file scsi.h.

◆ SCSI_VERSION_SCSI2

#define SCSI_VERSION_SCSI2 0x0002

Definition at line 85 of file scsi.h.

◆ SCSI_WRITE10

#define SCSI_WRITE10 0x2A

SCSI Write10.

Definition at line 60 of file scsi.h.

◆ SCSI_WRITE12

#define SCSI_WRITE12 0xAA

SCSI Write12.

Definition at line 61 of file scsi.h.

◆ SCSI_WRITE_AND_VERIFY

#define SCSI_WRITE_AND_VERIFY 0x2E

SCSI Write and Verify.

Definition at line 63 of file scsi.h.

◆ USBUS_MSC_PRODUCT_ID

#define USBUS_MSC_PRODUCT_ID "RIOT_MSC_DISK "

Definition at line 34 of file scsi.h.

◆ USBUS_MSC_PRODUCT_REV

#define USBUS_MSC_PRODUCT_REV " 1.0"

Definition at line 38 of file scsi.h.

◆ USBUS_MSC_VENDOR_ID

#define USBUS_MSC_VENDOR_ID "RIOT-OS"

Definition at line 30 of file scsi.h.

Function Documentation

◆ scsi_gen_csw()

void scsi_gen_csw	(	usbus_handler_t *	handler,
		cbw_info_t *	cmd
	)

Generate Command Status Wrapper and send it to the host.

Parameters

handler	MSC device struct
cmd	struct containing needed information to generate CBW response

◆ usbus_msc_scsi_process_cmd()

void usbus_msc_scsi_process_cmd	(	usbus_t *	usbus,
		usbus_handler_t *	handler,
		usbdev_ep_t *	ep,
		size_t	len
	)

Process incoming Command Block Wrapper buffer.