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/** @file
Copyright (c) 2007, 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.
Module Name:
UsbMassBoot.h
Abstract:
The definition of command and data of the USB mass storage for
bootability command set.
Revision History
**/
#ifndef _EFI_USB_MASS_BOOT_H_
#define _EFI_USB_MASS_BOOT_H_
enum {
//
// The opcodes of various usb boot commands:
// INQUIRY/REQUEST_SENSE are "No Timeout Commands" as specified
// by MMC command set. Others are "Group 1 Timeout Commands". That
// is they should be retried if driver is ready.
// We can't use the Peripheral Device Type in Inquiry data to
// determine the timeout used. For example, both floppy and flash
// are likely set their PDT to 0, or Direct Access Device.
//
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,
//
// 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_SNESE_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_MEDIA_UPSIDE_DOWN = 0x06,
USB_BOOT_ASC_NO_MEDIA = 0x3A,
USB_BOOT_ASC_MEDIA_CHANGE = 0x28,
USB_BOOT_ASCQ_IN_PROGRESS = 0x01,
USB_BOOT_ASCQ_DEVICE_BUSY = 0xFF,
//
// Other parameters
//
USB_BOOT_IO_BLOCKS = 64,
//
// Boot Retry times
//
USB_BOOT_COMMAND_RETRY = 5,
USB_BOOT_WAIT_RETRY = 5,
//
// Boot Stall time
//
USB_BOOT_UNIT_READY_STALL = 50 * USB_MASS_STALL_1_MS,
//
// Boot Transfer timeout
//
USB_BOOT_GENERAL_BLOCK_TIMEOUT = 200 * USB_MASS_STALL_1_MS,
USB_BOOT_OPTICAL_BLOCK_TIMEOUT = 1 * USB_MASS_STALL_1_S,
USB_BOOT_GENERAL_CMD_TIMEOUT = 1 * USB_MASS_STALL_1_S,
USB_BOOT_INQUIRY_CMD_TIMEOUT = 3 * USB_MASS_STALL_1_S,
//
// 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
};
//
// 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_SENSE_CMD;
typedef struct {
UINT8 ModeDataLenMsb;
UINT8 ModeDataLenLsb;
UINT8 Reserved0[4];
UINT8 BlkDesLenMsb;
UINT8 BlkDesLenLsb;
} USB_BOOT_MODE_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;
#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) & 0x80) != 0)
#define USB_BOOT_PDT(Pdt) ((Pdt) & 0x1f)
#define USB_BOOT_SENSE_KEY(Key) ((Key) & 0x0f)
//
// Swap the byte sequence of a UINT32. Intel CPU uses little endian
// in UEFI environment, but USB boot uses big endian.
//
#define USB_BOOT_SWAP32(Data32) \
((((Data32) & 0x000000ff) << 24) | (((Data32) & 0xff000000) >> 24) | \
(((Data32) & 0x0000ff00) << 8) | (((Data32) & 0x00ff0000) >> 8))
#define USB_BOOT_SWAP16(Data16) \
((((Data16) & 0x00ff) << 8) | (((Data16) & 0xff00) >> 8))
EFI_STATUS
UsbBootGetParams (
IN USB_MASS_DEVICE *UsbMass
);
EFI_STATUS
UsbBootIsUnitReady (
IN USB_MASS_DEVICE *UsbMass
);
EFI_STATUS
UsbBootDetectMedia (
IN USB_MASS_DEVICE *UsbMass
);
EFI_STATUS
UsbBootReadBlocks (
IN USB_MASS_DEVICE *UsbMass,
IN UINT32 Lba,
IN UINTN TotalBlock,
OUT UINT8 *Buffer
);
EFI_STATUS
UsbBootWriteBlocks (
IN USB_MASS_DEVICE *UsbMass,
IN UINT32 Lba,
IN UINTN TotalBlock,
OUT UINT8 *Buffer
);
#endif
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