369 lines
15 KiB
C
369 lines
15 KiB
C
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2019.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.lufa-lib.org
|
|
*/
|
|
|
|
/*
|
|
Copyright 2019 Dean Camera (dean [at] fourwalledcubicle [dot] com)
|
|
|
|
Permission to use, copy, modify, distribute, and sell this
|
|
software and its documentation for any purpose is hereby granted
|
|
without fee, provided that the above copyright notice appear in
|
|
all copies and that both that the copyright notice and this
|
|
permission notice and warranty disclaimer appear in supporting
|
|
documentation, and that the name of the author not be used in
|
|
advertising or publicity pertaining to distribution of the
|
|
software without specific, written prior permission.
|
|
|
|
The author disclaims all warranties with regard to this
|
|
software, including all implied warranties of merchantability
|
|
and fitness. In no event shall the author be liable for any
|
|
special, indirect or consequential damages or any damages
|
|
whatsoever resulting from loss of use, data or profits, whether
|
|
in an action of contract, negligence or other tortious action,
|
|
arising out of or in connection with the use or performance of
|
|
this software.
|
|
*/
|
|
|
|
/** \file
|
|
* \brief Common definitions and declarations for the library USB Mass Storage Class driver.
|
|
*
|
|
* Common definitions and declarations for the library USB Mass Storage Class driver.
|
|
*
|
|
* \note This file should not be included directly. It is automatically included as needed by the USB module driver
|
|
* dispatch header located in LUFA/Drivers/USB.h.
|
|
*/
|
|
|
|
/** \ingroup Group_USBClassMS
|
|
* \defgroup Group_USBClassMSCommon Common Class Definitions
|
|
*
|
|
* \section Sec_USBClassMSCommon_ModDescription Module Description
|
|
* Constants, Types and Enum definitions that are common to both Device and Host modes for the USB
|
|
* Mass Storage Class.
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
#ifndef _MS_CLASS_COMMON_H_
|
|
#define _MS_CLASS_COMMON_H_
|
|
|
|
/* Includes: */
|
|
#include "../../Core/StdDescriptors.h"
|
|
|
|
/* Enable C linkage for C++ Compilers: */
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Preprocessor Checks: */
|
|
#if !defined(__INCLUDE_FROM_MS_DRIVER)
|
|
#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
|
|
#endif
|
|
|
|
/* Macros: */
|
|
/** Magic signature for a Command Block Wrapper used in the Mass Storage Bulk-Only transport protocol. */
|
|
#define MS_CBW_SIGNATURE 0x43425355UL
|
|
|
|
/** Magic signature for a Command Status Wrapper used in the Mass Storage Bulk-Only transport protocol. */
|
|
#define MS_CSW_SIGNATURE 0x53425355UL
|
|
|
|
/** Mask for a Command Block Wrapper's flags attribute to specify a command with data sent from host-to-device. */
|
|
#define MS_COMMAND_DIR_DATA_OUT (0 << 7)
|
|
|
|
/** Mask for a Command Block Wrapper's flags attribute to specify a command with data sent from device-to-host. */
|
|
#define MS_COMMAND_DIR_DATA_IN (1 << 7)
|
|
|
|
/** \name SCSI Commands*/
|
|
//@{
|
|
/** SCSI Command Code for an INQUIRY command. */
|
|
#define SCSI_CMD_INQUIRY 0x12
|
|
|
|
/** SCSI Command Code for a REQUEST SENSE command. */
|
|
#define SCSI_CMD_REQUEST_SENSE 0x03
|
|
|
|
/** SCSI Command Code for a TEST UNIT READY command. */
|
|
#define SCSI_CMD_TEST_UNIT_READY 0x00
|
|
|
|
/** SCSI Command Code for a READ CAPACITY (10) command. */
|
|
#define SCSI_CMD_READ_CAPACITY_10 0x25
|
|
|
|
/** SCSI Command Code for a START STOP UNIT command. */
|
|
#define SCSI_CMD_START_STOP_UNIT 0x1B
|
|
|
|
/** SCSI Command Code for a SEND DIAGNOSTIC command. */
|
|
#define SCSI_CMD_SEND_DIAGNOSTIC 0x1D
|
|
|
|
/** SCSI Command Code for a PREVENT ALLOW MEDIUM REMOVAL command. */
|
|
#define SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1E
|
|
|
|
/** SCSI Command Code for a WRITE (10) command. */
|
|
#define SCSI_CMD_WRITE_10 0x2A
|
|
|
|
/** SCSI Command Code for a READ (10) command. */
|
|
#define SCSI_CMD_READ_10 0x28
|
|
|
|
/** SCSI Command Code for a WRITE (6) command. */
|
|
#define SCSI_CMD_WRITE_6 0x0A
|
|
|
|
/** SCSI Command Code for a READ (6) command. */
|
|
#define SCSI_CMD_READ_6 0x08
|
|
|
|
/** SCSI Command Code for a VERIFY (10) command. */
|
|
#define SCSI_CMD_VERIFY_10 0x2F
|
|
|
|
/** SCSI Command Code for a MODE SENSE (6) command. */
|
|
#define SCSI_CMD_MODE_SENSE_6 0x1A
|
|
|
|
/** SCSI Command Code for a MODE SENSE (10) command. */
|
|
#define SCSI_CMD_MODE_SENSE_10 0x5A
|
|
//@}
|
|
|
|
/** \name SCSI Sense Key Values */
|
|
//@{
|
|
/** SCSI Sense Code to indicate no error has occurred. */
|
|
#define SCSI_SENSE_KEY_GOOD 0x00
|
|
|
|
/** SCSI Sense Code to indicate that the device has recovered from an error. */
|
|
#define SCSI_SENSE_KEY_RECOVERED_ERROR 0x01
|
|
|
|
/** SCSI Sense Code to indicate that the device is not ready for a new command. */
|
|
#define SCSI_SENSE_KEY_NOT_READY 0x02
|
|
|
|
/** SCSI Sense Code to indicate an error whilst accessing the medium. */
|
|
#define SCSI_SENSE_KEY_MEDIUM_ERROR 0x03
|
|
|
|
/** SCSI Sense Code to indicate a hardware error has occurred. */
|
|
#define SCSI_SENSE_KEY_HARDWARE_ERROR 0x04
|
|
|
|
/** SCSI Sense Code to indicate that an illegal request has been issued. */
|
|
#define SCSI_SENSE_KEY_ILLEGAL_REQUEST 0x05
|
|
|
|
/** SCSI Sense Code to indicate that the unit requires attention from the host to indicate
|
|
* a reset event, medium removal or other condition.
|
|
*/
|
|
#define SCSI_SENSE_KEY_UNIT_ATTENTION 0x06
|
|
|
|
/** SCSI Sense Code to indicate that a write attempt on a protected block has been made. */
|
|
#define SCSI_SENSE_KEY_DATA_PROTECT 0x07
|
|
|
|
/** SCSI Sense Code to indicate an error while trying to write to a write-once medium. */
|
|
#define SCSI_SENSE_KEY_BLANK_CHECK 0x08
|
|
|
|
/** SCSI Sense Code to indicate a vendor specific error has occurred. */
|
|
#define SCSI_SENSE_KEY_VENDOR_SPECIFIC 0x09
|
|
|
|
/** SCSI Sense Code to indicate that an EXTENDED COPY command has aborted due to an error. */
|
|
#define SCSI_SENSE_KEY_COPY_ABORTED 0x0A
|
|
|
|
/** SCSI Sense Code to indicate that the device has aborted the issued command. */
|
|
#define SCSI_SENSE_KEY_ABORTED_COMMAND 0x0B
|
|
|
|
/** SCSI Sense Code to indicate an attempt to write past the end of a partition has been made. */
|
|
#define SCSI_SENSE_KEY_VOLUME_OVERFLOW 0x0D
|
|
|
|
/** SCSI Sense Code to indicate that the source data did not match the data read from the medium. */
|
|
#define SCSI_SENSE_KEY_MISCOMPARE 0x0E
|
|
//@}
|
|
|
|
/** \name SCSI Additional Sense Codes */
|
|
//@{
|
|
/** SCSI Additional Sense Code to indicate no additional sense information is available. */
|
|
#define SCSI_ASENSE_NO_ADDITIONAL_INFORMATION 0x00
|
|
|
|
/** SCSI Additional Sense Code to indicate that the logical unit (LUN) addressed is not ready. */
|
|
#define SCSI_ASENSE_LOGICAL_UNIT_NOT_READY 0x04
|
|
|
|
/** SCSI Additional Sense Code to indicate an invalid field was encountered while processing the issued command. */
|
|
#define SCSI_ASENSE_INVALID_FIELD_IN_CDB 0x24
|
|
|
|
/** SCSI Additional Sense Code to indicate that a medium that was previously indicated as not ready has now
|
|
* become ready for use.
|
|
*/
|
|
#define SCSI_ASENSE_NOT_READY_TO_READY_CHANGE 0x28
|
|
|
|
/** SCSI Additional Sense Code to indicate that an attempt to write to a protected area was made. */
|
|
#define SCSI_ASENSE_WRITE_PROTECTED 0x27
|
|
|
|
/** SCSI Additional Sense Code to indicate an error whilst formatting the device medium. */
|
|
#define SCSI_ASENSE_FORMAT_ERROR 0x31
|
|
|
|
/** SCSI Additional Sense Code to indicate an invalid command was issued. */
|
|
#define SCSI_ASENSE_INVALID_COMMAND 0x20
|
|
|
|
/** SCSI Additional Sense Code to indicate a write to a block out outside of the medium's range was issued. */
|
|
#define SCSI_ASENSE_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE 0x21
|
|
|
|
/** SCSI Additional Sense Code to indicate that no removable medium is inserted into the device. */
|
|
#define SCSI_ASENSE_MEDIUM_NOT_PRESENT 0x3A
|
|
//@}
|
|
|
|
/** \name SCSI Additional Sense Key Code Qualifiers */
|
|
//@{
|
|
/** SCSI Additional Sense Qualifier Code to indicate no additional sense qualifier information is available. */
|
|
#define SCSI_ASENSEQ_NO_QUALIFIER 0x00
|
|
|
|
/** SCSI Additional Sense Qualifier Code to indicate that a medium format command failed to complete. */
|
|
#define SCSI_ASENSEQ_FORMAT_COMMAND_FAILED 0x01
|
|
|
|
/** SCSI Additional Sense Qualifier Code to indicate that an initializing command must be issued before the issued
|
|
* command can be executed.
|
|
*/
|
|
#define SCSI_ASENSEQ_INITIALIZING_COMMAND_REQUIRED 0x02
|
|
|
|
/** SCSI Additional Sense Qualifier Code to indicate that an operation is currently in progress. */
|
|
#define SCSI_ASENSEQ_OPERATION_IN_PROGRESS 0x07
|
|
//@}
|
|
|
|
/* Enums: */
|
|
/** Enum for possible Class, Subclass and Protocol values of device and interface descriptors relating to the Mass
|
|
* Storage device class.
|
|
*/
|
|
enum MS_Descriptor_ClassSubclassProtocol_t
|
|
{
|
|
MS_CSCP_MassStorageClass = 0x08, /**< Descriptor Class value indicating that the device or interface
|
|
* belongs to the Mass Storage class.
|
|
*/
|
|
MS_CSCP_SCSITransparentSubclass = 0x06, /**< Descriptor Subclass value indicating that the device or interface
|
|
* belongs to the SCSI Transparent Command Set subclass of the Mass
|
|
* storage class.
|
|
*/
|
|
MS_CSCP_BulkOnlyTransportProtocol = 0x50, /**< Descriptor Protocol value indicating that the device or interface
|
|
* belongs to the Bulk Only Transport protocol of the Mass Storage class.
|
|
*/
|
|
};
|
|
|
|
/** Enum for the Mass Storage class specific control requests that can be issued by the USB bus host. */
|
|
enum MS_ClassRequests_t
|
|
{
|
|
MS_REQ_GetMaxLUN = 0xFE, /**< Mass Storage class-specific request to retrieve the total number of Logical
|
|
* Units (drives) in the SCSI device.
|
|
*/
|
|
MS_REQ_MassStorageReset = 0xFF, /**< Mass Storage class-specific request to reset the Mass Storage interface,
|
|
* ready for the next command.
|
|
*/
|
|
};
|
|
|
|
/** Enum for the possible command status wrapper return status codes. */
|
|
enum MS_CommandStatusCodes_t
|
|
{
|
|
MS_SCSI_COMMAND_Pass = 0, /**< Command completed with no error */
|
|
MS_SCSI_COMMAND_Fail = 1, /**< Command failed to complete - host may check the exact error via a
|
|
* SCSI REQUEST SENSE command.
|
|
*/
|
|
MS_SCSI_COMMAND_PhaseError = 2, /**< Command failed due to being invalid in the current phase. */
|
|
};
|
|
|
|
/* Type Defines: */
|
|
/** \brief Mass Storage Class Command Block Wrapper.
|
|
*
|
|
* Type define for a Command Block Wrapper, used in the Mass Storage Bulk-Only Transport protocol.
|
|
*
|
|
* \note Regardless of CPU architecture, these values should be stored as little endian.
|
|
*/
|
|
typedef struct
|
|
{
|
|
uint32_t Signature; /**< Command block signature, must be \ref MS_CBW_SIGNATURE to indicate a valid Command Block. */
|
|
uint32_t Tag; /**< Unique command ID value, to associate a command block wrapper with its command status wrapper. */
|
|
uint32_t DataTransferLength; /**< Length of the optional data portion of the issued command, in bytes. */
|
|
uint8_t Flags; /**< Command block flags, indicating command data direction. */
|
|
uint8_t LUN; /**< Logical Unit number this command is issued to. */
|
|
uint8_t SCSICommandLength; /**< Length of the issued SCSI command within the SCSI command data array. */
|
|
uint8_t SCSICommandData[16]; /**< Issued SCSI command in the Command Block. */
|
|
} ATTR_PACKED MS_CommandBlockWrapper_t;
|
|
|
|
/** \brief Mass Storage Class Command Status Wrapper.
|
|
*
|
|
* Type define for a Command Status Wrapper, used in the Mass Storage Bulk-Only Transport protocol.
|
|
*
|
|
* \note Regardless of CPU architecture, these values should be stored as little endian.
|
|
*/
|
|
typedef struct
|
|
{
|
|
uint32_t Signature; /**< Status block signature, must be \ref MS_CSW_SIGNATURE to indicate a valid Command Status. */
|
|
uint32_t Tag; /**< Unique command ID value, to associate a command block wrapper with its command status wrapper. */
|
|
uint32_t DataTransferResidue; /**< Number of bytes of data not processed in the SCSI command. */
|
|
uint8_t Status; /**< Status code of the issued command - a value from the \ref MS_CommandStatusCodes_t enum. */
|
|
} ATTR_PACKED MS_CommandStatusWrapper_t;
|
|
|
|
/** \brief Mass Storage Class SCSI Sense Structure
|
|
*
|
|
* Type define for a SCSI Sense structure. Structures of this type are filled out by the
|
|
* device via the \ref MS_Host_RequestSense() function, indicating the current sense data of the
|
|
* device (giving explicit error codes for the last issued command). For details of the
|
|
* structure contents, refer to the SCSI specifications.
|
|
*/
|
|
typedef struct
|
|
{
|
|
uint8_t ResponseCode;
|
|
|
|
uint8_t SegmentNumber;
|
|
|
|
unsigned SenseKey : 4;
|
|
unsigned Reserved : 1;
|
|
unsigned ILI : 1;
|
|
unsigned EOM : 1;
|
|
unsigned FileMark : 1;
|
|
|
|
uint8_t Information[4];
|
|
uint8_t AdditionalLength;
|
|
uint8_t CmdSpecificInformation[4];
|
|
uint8_t AdditionalSenseCode;
|
|
uint8_t AdditionalSenseQualifier;
|
|
uint8_t FieldReplaceableUnitCode;
|
|
uint8_t SenseKeySpecific[3];
|
|
} ATTR_PACKED SCSI_Request_Sense_Response_t;
|
|
|
|
/** \brief Mass Storage Class SCSI Inquiry Structure.
|
|
*
|
|
* Type define for a SCSI Inquiry structure. Structures of this type are filled out by the
|
|
* device via the \ref MS_Host_GetInquiryData() function, retrieving the attached device's
|
|
* information.
|
|
*
|
|
* For details of the structure contents, refer to the SCSI specifications.
|
|
*/
|
|
typedef struct
|
|
{
|
|
unsigned DeviceType : 5;
|
|
unsigned PeripheralQualifier : 3;
|
|
|
|
unsigned Reserved : 7;
|
|
unsigned Removable : 1;
|
|
|
|
uint8_t Version;
|
|
|
|
unsigned ResponseDataFormat : 4;
|
|
unsigned Reserved2 : 1;
|
|
unsigned NormACA : 1;
|
|
unsigned TrmTsk : 1;
|
|
unsigned AERC : 1;
|
|
|
|
uint8_t AdditionalLength;
|
|
uint8_t Reserved3[2];
|
|
|
|
unsigned SoftReset : 1;
|
|
unsigned CmdQue : 1;
|
|
unsigned Reserved4 : 1;
|
|
unsigned Linked : 1;
|
|
unsigned Sync : 1;
|
|
unsigned WideBus16Bit : 1;
|
|
unsigned WideBus32Bit : 1;
|
|
unsigned RelAddr : 1;
|
|
|
|
uint8_t VendorID[8];
|
|
uint8_t ProductID[16];
|
|
uint8_t RevisionID[4];
|
|
} ATTR_PACKED SCSI_Inquiry_Response_t;
|
|
|
|
/* Disable C linkage for C++ Compilers: */
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/** @} */
|
|
|