+++ /dev/null
-/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 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 disclaim 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_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 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
-
-/** @} */
-
projects / pub / lufa.git / blobdiff