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331 lines
11 KiB
C
331 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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Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
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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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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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#ifndef _EFI_USB_MASS_BOOT_H_
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#define _EFI_USB_MASS_BOOT_H_
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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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#define USB_SCSI_MODE_SENSE6_OPCODE 0x1A
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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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#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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// 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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// 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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// 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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//
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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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// 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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// 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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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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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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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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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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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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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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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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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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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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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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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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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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// 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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// 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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Get the parameters for the USB mass storage media.
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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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@param UsbMass The device to retrieve disk gemotric.
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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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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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Execute TEST UNIT READY command to check if the device is ready.
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@param UsbMass The device to test
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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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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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Detect whether the removable media is present and whether it has changed.
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@param UsbMass The device to check.
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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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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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Read some blocks from the device.
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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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@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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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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Write some blocks to the device.
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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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@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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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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Use the USB clear feature control transfer to clear the endpoint stall condition.
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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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@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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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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#endif
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