usb_msc.h File Reference

USB Mass Storage Class public header. More...

Go to the source code of this file.

Data Structures
struct	CBW
struct	CSW

Macros
#define	SCSI_TRANSPARENT_SUBCLASS   0x06
#define	BULK_ONLY_TRANSPORT_PROTOCOL   0x50
#define	MSC_REQUEST_GET_MAX_LUN   0xFE
#define	MSC_REQUEST_RESET   0xFF
#define	CBW_Signature   0x43425355
#define	CBW_DIRECTION_DATA_IN   0x80
#define	CSW_Signature   0x53425355
#define	CSW_STATUS_CMD_PASSED   0x00
#define	CSW_STATUS_CMD_FAILED   0x01
#define	CSW_STATUS_PHASE_ERROR   0x02
#define	TEST_UNIT_READY   0x00
#define	REQUEST_SENSE   0x03
#define	FORMAT_UNIT   0x04
#define	INQUIRY   0x12
#define	MODE_SELECT6   0x15
#define	MODE_SENSE6   0x1A
#define	START_STOP_UNIT   0x1B
#define	MEDIA_REMOVAL   0x1E
#define	READ_FORMAT_CAPACITIES   0x23
#define	READ_CAPACITY   0x25
#define	READ10   0x28
#define	WRITE10   0x2A
#define	VERIFY10   0x2F
#define	READ12   0xA8
#define	WRITE12   0xAA
#define	MODE_SELECT10   0x55
#define	MODE_SENSE10   0x5A

Detailed Description

USB Mass Storage Class public header.

Header follows the Mass Storage Class Specification (Mass_Storage_Specification_Overview_v1.4_2-19-2010.pdf) and Mass Storage Class Bulk-Only Transport Specification (usbmassbulk_10.pdf). Header is limited to Bulk-Only Transfer protocol.

Macro Definition Documentation

BULK_ONLY_TRANSPORT_PROTOCOL

#define BULK_ONLY_TRANSPORT_PROTOCOL   0x50

CBW_DIRECTION_DATA_IN

#define CBW_DIRECTION_DATA_IN   0x80

MSC Command Block Wrapper Flags

CBW_Signature

#define CBW_Signature   0x43425355

MSC Command Block Wrapper (CBW) Signature

CSW_Signature

#define CSW_Signature   0x53425355

MSC Command Status Wrapper (CBW) Signature

CSW_STATUS_CMD_FAILED

#define CSW_STATUS_CMD_FAILED   0x01

CSW_STATUS_CMD_PASSED

#define CSW_STATUS_CMD_PASSED   0x00

MSC Command Block Status Values

CSW_STATUS_PHASE_ERROR

#define CSW_STATUS_PHASE_ERROR   0x02

FORMAT_UNIT

#define FORMAT_UNIT   0x04

INQUIRY

#define INQUIRY   0x12

MEDIA_REMOVAL

#define MEDIA_REMOVAL   0x1E

MODE_SELECT10

#define MODE_SELECT10   0x55

MODE_SELECT6

#define MODE_SELECT6   0x15

MODE_SENSE10

#define MODE_SENSE10   0x5A

MODE_SENSE6

#define MODE_SENSE6   0x1A

MSC_REQUEST_GET_MAX_LUN

#define MSC_REQUEST_GET_MAX_LUN   0xFE

MSC Request Codes for Bulk-Only Transport

MSC_REQUEST_RESET

#define MSC_REQUEST_RESET   0xFF

READ10

#define READ10   0x28

READ12

#define READ12   0xA8

READ_CAPACITY

#define READ_CAPACITY   0x25

READ_FORMAT_CAPACITIES

#define READ_FORMAT_CAPACITIES   0x23

REQUEST_SENSE

#define REQUEST_SENSE   0x03

SCSI_TRANSPARENT_SUBCLASS

#define SCSI_TRANSPARENT_SUBCLASS   0x06

MSC Subclass and Protocol Codes

START_STOP_UNIT

#define START_STOP_UNIT   0x1B

TEST_UNIT_READY

#define TEST_UNIT_READY   0x00

SCSI transparent command set used by MSC

VERIFY10

#define VERIFY10   0x2F

WRITE10

#define WRITE10   0x2A

WRITE12

#define WRITE12   0xAA