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/** @file
Definition of the command set of USB Mass Storage Specification
for Bootability, Revision 1.0.
Copyright (c) 2007 - 2008, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _EFI_USB_MASS_BOOT_H_
#define _EFI_USB_MASS_BOOT_H_
#include "UsbMass.h"
typedef enum {
//
// The opcodes of various USB boot commands:
// INQUIRY/REQUEST_SENSE are "No Timeout Commands" as specified
// by Multi-Media Commands (MMC) set.
// Others are "Group 1 Timeout Commands". That is,
// they should be retried if driver is ready.
//
USB_BOOT_INQUIRY_OPCODE = 0x12,
USB_BOOT_REQUEST_SENSE_OPCODE = 0x03,
USB_BOOT_MODE_SENSE10_OPCODE = 0x5A,
USB_BOOT_READ_CAPACITY_OPCODE = 0x25,
USB_BOOT_TEST_UNIT_READY_OPCODE = 0x00,
USB_BOOT_READ10_OPCODE = 0x28,
USB_BOOT_WRITE10_OPCODE = 0x2A,
USB_SCSI_MODE_SENSE6_OPCODE = 0x1A,
//
// The Sense Key part of the sense data. Sense data has three levels:
// Sense key, Additional Sense Code and Additional Sense Code Qualifier
//
USB_BOOT_SENSE_NO_SENSE = 0x00, ///< No sense key
USB_BOOT_SENSE_RECOVERED = 0x01, ///< Last command succeed with recovery actions
USB_BOOT_SENSE_NOT_READY = 0x02, ///< Device not ready
USB_BOOT_SNESE_MEDIUM_ERROR = 0X03, ///< Failed probably because flaw in the media
USB_BOOT_SENSE_HARDWARE_ERROR = 0X04, ///< Non-recoverable hardware failure
USB_BOOT_SENSE_ILLEGAL_REQUEST = 0X05, ///< Illegal parameters in the request
USB_BOOT_SENSE_UNIT_ATTENTION = 0X06, ///< Removable medium may have been changed
USB_BOOT_SENSE_DATA_PROTECT = 0X07, ///< Write protected
USB_BOOT_SENSE_BLANK_CHECK = 0X08, ///< Blank/non-blank medium while reading/writing
USB_BOOT_SENSE_VENDOR = 0X09, ///< Vendor specific sense key
USB_BOOT_SENSE_ABORTED = 0X0B, ///< Command aborted by the device
USB_BOOT_SENSE_VOLUME_OVERFLOW = 0x0D, ///< Partition overflow
USB_BOOT_SENSE_MISCOMPARE = 0x0E, ///< Source data mis-match while verfying.
USB_BOOT_ASC_NOT_READY = 0x04,
USB_BOOT_ASC_NO_MEDIA = 0x3A,
USB_BOOT_ASC_MEDIA_CHANGE = 0x28,
//
// Supported PDT codes, or Peripheral Device Type
//
USB_PDT_DIRECT_ACCESS = 0x00, ///< Direct access device
USB_PDT_CDROM = 0x05, ///< CDROM
USB_PDT_OPTICAL = 0x07, ///< Non-CD optical disks
USB_PDT_SIMPLE_DIRECT = 0x0E, ///< Simplified direct access device
//
// Other parameters, Max carried size is 512B * 128 = 64KB
//
USB_BOOT_IO_BLOCKS = 128,
//
// Retry mass command times, set by experience
//
USB_BOOT_COMMAND_RETRY = 5,
USB_BOOT_INIT_MEDIA_RETRY = 5,
//
// Wait for unit ready command, set by experience
//
USB_BOOT_RETRY_UNIT_READY_STALL = 500 * USB_MASS_1_MILLISECOND,
//
// Mass command timeout, refers to specification[USB20-9.2.6.1]
//
// USB2.0 Spec define the up-limit timeout 5s for all command. USB floppy,
// USB CD-Rom and iPod devices are much slower than USB key when reponse
// most of commands, So we set 5s as timeout here.
//
USB_BOOT_GENERAL_CMD_TIMEOUT = 5 * USB_MASS_1_SECOND
}USB_BOOT_OPTCODE;
//
// The required commands are INQUIRY, READ CAPACITY, TEST UNIT READY,
// READ10, WRITE10, and REQUEST SENSE. The BLOCK_IO protocol uses LBA
// so it isn't necessary to issue MODE SENSE / READ FORMAT CAPACITY
// command to retrieve the disk gemotrics.
//
#pragma pack(1)
typedef struct {
UINT8 OpCode;
UINT8 Lun; ///< Lun (high 3 bits)
UINT8 Reserved0[2];
UINT8 AllocLen;
UINT8 Reserved1;
UINT8 Pad[6];
} USB_BOOT_INQUIRY_CMD;
typedef struct {
UINT8 Pdt; ///< Peripheral Device Type (low 5 bits)
UINT8 Removable; ///< Removable Media (highest bit)
UINT8 Reserved0[2];
UINT8 AddLen; ///< Additional length
UINT8 Reserved1[3];
UINT8 VendorID[8];
UINT8 ProductID[16];
UINT8 ProductRevision[4];
} USB_BOOT_INQUIRY_DATA;
typedef struct {
UINT8 OpCode;
UINT8 Lun;
UINT8 Reserved0[8];
UINT8 Pad[2];
} USB_BOOT_READ_CAPACITY_CMD;
typedef struct {
UINT8 LastLba[4];
UINT8 BlockLen[4];
} USB_BOOT_READ_CAPACITY_DATA;
typedef struct {
UINT8 OpCode;
UINT8 Lun;
UINT8 Reserved[4];
UINT8 Pad[6];
} USB_BOOT_TEST_UNIT_READY_CMD;
typedef struct {
UINT8 OpCode;
UINT8 Lun;
UINT8 PageCode;
UINT8 Reserved0[4];
UINT8 ParaListLenMsb;
UINT8 ParaListLenLsb;
UINT8 Reserved1;
UINT8 Pad[2];
} USB_BOOT_MODE_SENSE10_CMD;
typedef struct {
UINT8 ModeDataLenMsb;
UINT8 ModeDataLenLsb;
UINT8 Reserved0[4];
UINT8 BlkDesLenMsb;
UINT8 BlkDesLenLsb;
} USB_BOOT_MODE_SENSE10_PARA_HEADER;
typedef struct {
UINT8 OpCode;
UINT8 Lun; ///< Lun (High 3 bits)
UINT8 Lba[4]; ///< Logical block address
UINT8 Reserved0;
UINT8 TransferLen[2]; ///< Transfer length
UINT8 Reserverd1;
UINT8 Pad[2];
} USB_BOOT_READ10_CMD;
typedef struct {
UINT8 OpCode;
UINT8 Lun;
UINT8 Lba[4];
UINT8 Reserved0;
UINT8 TransferLen[2];
UINT8 Reserverd1;
UINT8 Pad[2];
} USB_BOOT_WRITE10_CMD;
typedef struct {
UINT8 OpCode;
UINT8 Lun; ///< Lun (High 3 bits)
UINT8 Reserved0[2];
UINT8 AllocLen; ///< Allocation length
UINT8 Reserved1;
UINT8 Pad[6];
} USB_BOOT_REQUEST_SENSE_CMD;
typedef struct {
UINT8 ErrorCode;
UINT8 Reserved0;
UINT8 SenseKey; ///< Sense key (low 4 bits)
UINT8 Infor[4];
UINT8 AddLen; ///< Additional Sense length, 10
UINT8 Reserved1[4];
UINT8 ASC; ///< Additional Sense Code
UINT8 ASCQ; ///< Additional Sense Code Qualifier
UINT8 Reserverd2[4];
} USB_BOOT_REQUEST_SENSE_DATA;
typedef struct {
UINT8 OpCode;
UINT8 Lun;
UINT8 PageCode;
UINT8 Reserved0;
UINT8 AllocateLen;
UINT8 Control;
} USB_SCSI_MODE_SENSE6_CMD;
typedef struct {
UINT8 ModeDataLen;
UINT8 MediumType;
UINT8 DevicePara;
UINT8 BlkDesLen;
} USB_SCSI_MODE_SENSE6_PARA_HEADER;
#pragma pack()
//
// Convert a LUN number to that in the command
//
#define USB_BOOT_LUN(Lun) ((Lun) << 5)
//
// Get the removable, PDT, and sense key bits from the command data
//
#define USB_BOOT_REMOVABLE(RmbByte) (((RmbByte) & BIT7) != 0)
#define USB_BOOT_PDT(Pdt) ((Pdt) & 0x1f)
#define USB_BOOT_SENSE_KEY(Key) ((Key) & 0x0f)
/**
Get the parameters for the USB mass storage media.
This function get the parameters for the USB mass storage media,
It is used both to initialize the media during the Start() phase
of Driver Binding Protocol and to re-initialize it when the media is
changed. Althought the RemoveableMedia is unlikely to change,
it is also included here.
@param UsbMass The device to retrieve disk gemotric.
@retval EFI_SUCCESS The disk gemotric is successfully retrieved.
@retval Other Failed to get the parameters.
**/
EFI_STATUS
UsbBootGetParams (
IN USB_MASS_DEVICE *UsbMass
);
/**
Execute TEST UNIT READY command to check if the device is ready.
@param UsbMass The device to test
@retval EFI_SUCCESS The device is ready.
@retval Others Device not ready.
**/
EFI_STATUS
UsbBootIsUnitReady (
IN USB_MASS_DEVICE *UsbMass
);
/**
Detect whether the removable media is present and whether it has changed.
@param UsbMass The device to check.
@retval EFI_SUCCESS The media status is successfully checked.
@retval Other Failed to detect media.
**/
EFI_STATUS
UsbBootDetectMedia (
IN USB_MASS_DEVICE *UsbMass
);
/**
Read some blocks from the device.
@param UsbMass The USB mass storage device to read from
@param Lba The start block number
@param TotalBlock Total block number to read
@param Buffer The buffer to read to
@retval EFI_SUCCESS Data are read into the buffer
@retval Others Failed to read all the data
**/
EFI_STATUS
UsbBootReadBlocks (
IN USB_MASS_DEVICE *UsbMass,
IN UINT32 Lba,
IN UINTN TotalBlock,
OUT UINT8 *Buffer
);
/**
Write some blocks to the device.
@param UsbMass The USB mass storage device to write to
@param Lba The start block number
@param TotalBlock Total block number to write
@param Buffer Pointer to the source buffer for the data.
@retval EFI_SUCCESS Data are written into the buffer
@retval Others Failed to write all the data
**/
EFI_STATUS
UsbBootWriteBlocks (
IN USB_MASS_DEVICE *UsbMass,
IN UINT32 Lba,
IN UINTN TotalBlock,
IN UINT8 *Buffer
);
/**
Use the USB clear feature control transfer to clear the endpoint stall condition.
@param UsbIo The USB I/O Protocol instance
@param EndpointAddr The endpoint to clear stall for
@retval EFI_SUCCESS The endpoint stall condition is cleared.
@retval Others Failed to clear the endpoint stall condition.
**/
EFI_STATUS
UsbClearEndpointStall (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 EndpointAddr
);
#endif
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