git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9793 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			334 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			334 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   Definition of the command set of USB Mass Storage Specification
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|   for Bootability, Revision 1.0.
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| 
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| Copyright (c) 2007 - 2010, Intel Corporation
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| All rights reserved. This program and the accompanying materials
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| are licensed and made available under the terms and conditions of the BSD License
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| which accompanies this distribution.  The full text of the license may be found at
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| http://opensource.org/licenses/bsd-license.php
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| 
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| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 
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| **/
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| 
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| #ifndef _EFI_USB_MASS_BOOT_H_
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| #define _EFI_USB_MASS_BOOT_H_
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| 
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| #include "UsbMass.h"
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| 
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| //
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| // The opcodes of various USB boot commands:
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| // INQUIRY/REQUEST_SENSE are "No Timeout Commands" as specified
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| // by Multi-Media Commands (MMC) set.
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| // Others are "Group 1 Timeout Commands". That is,
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| // they should be retried if driver is ready. 
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| //
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| #define USB_BOOT_INQUIRY_OPCODE         0x12
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| #define USB_BOOT_REQUEST_SENSE_OPCODE   0x03
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| #define USB_BOOT_MODE_SENSE10_OPCODE    0x5A
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| #define USB_BOOT_READ_CAPACITY_OPCODE   0x25
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| #define USB_BOOT_TEST_UNIT_READY_OPCODE 0x00
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| #define USB_BOOT_READ10_OPCODE          0x28
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| #define USB_BOOT_WRITE10_OPCODE         0x2A
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| 
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| #define USB_SCSI_MODE_SENSE6_OPCODE     0x1A
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| 
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| //
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| // The Sense Key part of the sense data. Sense data has three levels:
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| // Sense key, Additional Sense Code and Additional Sense Code Qualifier
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| //
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| #define USB_BOOT_SENSE_NO_SENSE         0x00 ///< No sense key
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| #define USB_BOOT_SENSE_RECOVERED        0x01 ///< Last command succeed with recovery actions
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| #define USB_BOOT_SENSE_NOT_READY        0x02 ///< Device not ready
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| #define USB_BOOT_SNESE_MEDIUM_ERROR     0X03 ///< Failed probably because flaw in the media
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| #define USB_BOOT_SENSE_HARDWARE_ERROR   0X04 ///< Non-recoverable hardware failure
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| #define USB_BOOT_SENSE_ILLEGAL_REQUEST  0X05 ///< Illegal parameters in the request
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| #define USB_BOOT_SENSE_UNIT_ATTENTION   0X06 ///< Removable medium may have been changed
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| #define USB_BOOT_SENSE_DATA_PROTECT     0X07 ///< Write protected
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| #define USB_BOOT_SENSE_BLANK_CHECK      0X08 ///< Blank/non-blank medium while reading/writing
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| #define USB_BOOT_SENSE_VENDOR           0X09 ///< Vendor specific sense key
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| #define USB_BOOT_SENSE_ABORTED          0X0B ///< Command aborted by the device
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| #define USB_BOOT_SENSE_VOLUME_OVERFLOW  0x0D ///< Partition overflow
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| #define USB_BOOT_SENSE_MISCOMPARE       0x0E ///< Source data mis-match while verfying.
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| 
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| #define USB_BOOT_ASC_NOT_READY          0x04
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| #define USB_BOOT_ASC_NO_MEDIA           0x3A
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| #define USB_BOOT_ASC_MEDIA_CHANGE       0x28
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| 
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| //
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| // Supported PDT codes, or Peripheral Device Type
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| //
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| #define USB_PDT_DIRECT_ACCESS           0x00       ///< Direct access device
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| #define USB_PDT_CDROM                   0x05       ///< CDROM
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| #define USB_PDT_OPTICAL                 0x07       ///< Non-CD optical disks
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| #define USB_PDT_SIMPLE_DIRECT           0x0E       ///< Simplified direct access device
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| 
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| //
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| // Other parameters, Max carried size is 512B * 128 = 64KB
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| //
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| #define USB_BOOT_IO_BLOCKS              128
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| 
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| //
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| // Retry mass command times, set by experience
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| //
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| #define USB_BOOT_COMMAND_RETRY          5
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| #define USB_BOOT_INIT_MEDIA_RETRY       5
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| 
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| //
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| // Wait for unit ready command, set by experience
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| //
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| #define USB_BOOT_RETRY_UNIT_READY_STALL (500 * USB_MASS_1_MILLISECOND)
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| 
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| //
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| // Mass command timeout, refers to specification[USB20-9.2.6.1]
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| //
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| // USB2.0 Spec define the up-limit timeout 5s for all command. USB floppy, 
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| // USB CD-Rom and iPod devices are much slower than USB key when reponse 
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| // most of commands, So we set 5s as timeout here.
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| // 
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| #define USB_BOOT_GENERAL_CMD_TIMEOUT    (5 * USB_MASS_1_SECOND)
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| 
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| //
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| // The required commands are INQUIRY, READ CAPACITY, TEST UNIT READY,
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| // READ10, WRITE10, and REQUEST SENSE. The BLOCK_IO protocol uses LBA
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| // so it isn't necessary to issue MODE SENSE / READ FORMAT CAPACITY
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| // command to retrieve the disk gemotrics. 
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| //
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| #pragma pack(1)
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| typedef struct {
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|   UINT8             OpCode;
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|   UINT8             Lun;            ///< Lun (high 3 bits)
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|   UINT8             Reserved0[2];
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|   UINT8             AllocLen;
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|   UINT8             Reserved1;
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|   UINT8             Pad[6];
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| } USB_BOOT_INQUIRY_CMD;
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| 
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| typedef struct {
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|   UINT8             Pdt;            ///< Peripheral Device Type (low 5 bits)
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|   UINT8             Removable;      ///< Removable Media (highest bit)
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|   UINT8             Reserved0[2];
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|   UINT8             AddLen;         ///< Additional length
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|   UINT8             Reserved1[3];
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|   UINT8             VendorID[8];
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|   UINT8             ProductID[16];
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|   UINT8             ProductRevision[4];
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| } USB_BOOT_INQUIRY_DATA;
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| 
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| typedef struct {
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|   UINT8             OpCode;
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|   UINT8             Lun;
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|   UINT8             Reserved0[8];
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|   UINT8             Pad[2];
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| } USB_BOOT_READ_CAPACITY_CMD;
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| 
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| typedef struct {
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|   UINT8             LastLba[4];
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|   UINT8             BlockLen[4];
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| } USB_BOOT_READ_CAPACITY_DATA;
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| 
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| typedef struct {
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|   UINT8             OpCode;
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|   UINT8             Lun;
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|   UINT8             Reserved[4];
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|   UINT8             Pad[6];
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| } USB_BOOT_TEST_UNIT_READY_CMD;
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| 
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| typedef struct {
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|   UINT8             OpCode;
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|   UINT8             Lun;
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|   UINT8             PageCode;
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|   UINT8             Reserved0[4];
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|   UINT8             ParaListLenMsb;
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|   UINT8             ParaListLenLsb;
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|   UINT8             Reserved1;
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|   UINT8             Pad[2];
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| } USB_BOOT_MODE_SENSE10_CMD;
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| 
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| typedef struct {
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|   UINT8             ModeDataLenMsb;
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|   UINT8             ModeDataLenLsb;
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|   UINT8             Reserved0[4];
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|   UINT8             BlkDesLenMsb;
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|   UINT8             BlkDesLenLsb;
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| } USB_BOOT_MODE_SENSE10_PARA_HEADER;
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| 
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| typedef struct {
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|   UINT8             OpCode;
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|   UINT8             Lun;            ///< Lun (High 3 bits)
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|   UINT8             Lba[4];         ///< Logical block address
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|   UINT8             Reserved0;
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|   UINT8             TransferLen[2]; ///< Transfer length
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|   UINT8             Reserverd1;
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|   UINT8             Pad[2];
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| } USB_BOOT_READ10_CMD;
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| 
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| typedef struct {
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|   UINT8             OpCode;
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|   UINT8             Lun;
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|   UINT8             Lba[4];
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|   UINT8             Reserved0;
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|   UINT8             TransferLen[2];
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|   UINT8             Reserverd1;
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|   UINT8             Pad[2];
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| } USB_BOOT_WRITE10_CMD;
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| 
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| typedef struct {
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|   UINT8             OpCode;
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|   UINT8             Lun;            ///< Lun (High 3 bits)
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|   UINT8             Reserved0[2];
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|   UINT8             AllocLen;       ///< Allocation length
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|   UINT8             Reserved1;
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|   UINT8             Pad[6];
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| } USB_BOOT_REQUEST_SENSE_CMD;
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| 
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| typedef struct {
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|   UINT8             ErrorCode;
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|   UINT8             Reserved0;
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|   UINT8             SenseKey;       ///< Sense key (low 4 bits)
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|   UINT8             Infor[4];
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|   UINT8             AddLen;         ///< Additional Sense length, 10
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|   UINT8             Reserved1[4];
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|   UINT8             Asc;            ///< Additional Sense Code
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|   UINT8             Ascq;           ///< Additional Sense Code Qualifier
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|   UINT8             Reserverd2[4];
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| } USB_BOOT_REQUEST_SENSE_DATA;
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| 
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| typedef struct {
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|   UINT8             OpCode;
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|   UINT8             Lun;
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|   UINT8             PageCode;
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|   UINT8             Reserved0;
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|   UINT8             AllocateLen;
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|   UINT8             Control;
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| } USB_SCSI_MODE_SENSE6_CMD;
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| 
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| typedef struct {
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|   UINT8             ModeDataLen;
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|   UINT8             MediumType;
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|   UINT8             DevicePara;
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|   UINT8             BlkDesLen;
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| } USB_SCSI_MODE_SENSE6_PARA_HEADER;
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| #pragma pack()
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| 
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| //
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| // Convert a LUN number to that in the command
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| //
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| #define USB_BOOT_LUN(Lun) ((Lun) << 5)
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| 
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| //
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| // Get the removable, PDT, and sense key bits from the command data
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| //
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| #define USB_BOOT_REMOVABLE(RmbByte) (((RmbByte) & BIT7) != 0)
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| #define USB_BOOT_PDT(Pdt)           ((Pdt) & 0x1f)
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| #define USB_BOOT_SENSE_KEY(Key)     ((Key) & 0x0f)
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| 
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| /**
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|   Get the parameters for the USB mass storage media.
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| 
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|   This function get the parameters for the USB mass storage media,
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|   It is used both to initialize the media during the Start() phase
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|   of Driver Binding Protocol and to re-initialize it when the media is
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|   changed. Althought the RemoveableMedia is unlikely to change,
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|   it is also included here.
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| 
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|   @param  UsbMass                The device to retrieve disk gemotric.
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| 
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|   @retval EFI_SUCCESS            The disk gemotric is successfully retrieved.
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|   @retval Other                  Failed to get the parameters.
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| 
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| **/
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| EFI_STATUS
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| UsbBootGetParams (
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|   IN USB_MASS_DEVICE          *UsbMass
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|   );
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| 
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| /**
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|   Execute TEST UNIT READY command to check if the device is ready.
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| 
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|   @param  UsbMass                The device to test
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| 
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|   @retval EFI_SUCCESS            The device is ready.
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|   @retval Others                 Device not ready.
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| 
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| **/
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| EFI_STATUS
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| UsbBootIsUnitReady (
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|   IN USB_MASS_DEVICE          *UsbMass
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|   );
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| 
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| /**
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|   Detect whether the removable media is present and whether it has changed.
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| 
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|   @param  UsbMass                The device to check.
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| 
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|   @retval EFI_SUCCESS            The media status is successfully checked.
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|   @retval Other                  Failed to detect media.
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| 
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| **/
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| EFI_STATUS
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| UsbBootDetectMedia (
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|   IN  USB_MASS_DEVICE       *UsbMass
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|   );
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| 
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| /**
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|   Read some blocks from the device.
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| 
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|   @param  UsbMass                The USB mass storage device to read from
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|   @param  Lba                    The start block number
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|   @param  TotalBlock             Total block number to read
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|   @param  Buffer                 The buffer to read to
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| 
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|   @retval EFI_SUCCESS            Data are read into the buffer
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|   @retval Others                 Failed to read all the data
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| 
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| **/
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| EFI_STATUS
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| UsbBootReadBlocks (
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|   IN  USB_MASS_DEVICE         *UsbMass,
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|   IN  UINT32                  Lba,
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|   IN  UINTN                   TotalBlock,
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|   OUT UINT8                   *Buffer
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|   );
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| 
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| /**
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|   Write some blocks to the device.
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| 
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|   @param  UsbMass                The USB mass storage device to write to
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|   @param  Lba                    The start block number
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|   @param  TotalBlock             Total block number to write
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|   @param  Buffer                 Pointer to the source buffer for the data.
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| 
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|   @retval EFI_SUCCESS            Data are written into the buffer
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|   @retval Others                 Failed to write all the data
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| 
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| **/
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| EFI_STATUS
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| UsbBootWriteBlocks (
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|   IN  USB_MASS_DEVICE         *UsbMass,
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|   IN  UINT32                  Lba,
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|   IN  UINTN                   TotalBlock,
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|   IN  UINT8                   *Buffer
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|   );
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| 
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| /**
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|   Use the USB clear feature control transfer to clear the endpoint stall condition.
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| 
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|   @param  UsbIo                  The USB I/O Protocol instance
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|   @param  EndpointAddr           The endpoint to clear stall for
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| 
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|   @retval EFI_SUCCESS            The endpoint stall condition is cleared.
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|   @retval Others                 Failed to clear the endpoint stall condition.
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| 
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| **/
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| EFI_STATUS
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| UsbClearEndpointStall (
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|   IN EFI_USB_IO_PROTOCOL    *UsbIo,
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|   IN UINT8                  EndpointAddr
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|   );
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| 
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| #endif
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| 
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