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/** @file
Definition of USB Mass Storage Class and its value, USB Mass Transport Protocol,
and other common definitions.
Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
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_USBMASS_H_
#define _EFI_USBMASS_H_
#include <Uefi.h>
#include <Protocol/BlockIo.h>
#include <Protocol/UsbIo.h>
#include <Protocol/DevicePath.h>
#include <Protocol/DiskInfo.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/DevicePathLib.h>
typedef struct _USB_MASS_TRANSPORT USB_MASS_TRANSPORT;
typedef struct _USB_MASS_DEVICE USB_MASS_DEVICE;
#include "UsbMassBot.h"
#include "UsbMassCbi.h"
#include "UsbMassBoot.h"
#include "UsbMassDiskInfo.h"
#include "UsbMassImpl.h"
#define USB_IS_IN_ENDPOINT(EndPointAddr) (((EndPointAddr) & BIT7) == BIT7)
#define USB_IS_OUT_ENDPOINT(EndPointAddr) (((EndPointAddr) & BIT7) == 0)
#define USB_IS_BULK_ENDPOINT(Attribute) (((Attribute) & (BIT0 | BIT1)) == USB_ENDPOINT_BULK)
#define USB_IS_INTERRUPT_ENDPOINT(Attribute) (((Attribute) & (BIT0 | BIT1)) == USB_ENDPOINT_INTERRUPT)
#define USB_IS_ERROR(Result, Error) (((Result) & (Error)) != 0)
//
// Usb mass storage class code
//
#define USB_MASS_STORE_CLASS 0x08
//
// Usb mass storage subclass code, specify the command set used.
//
#define USB_MASS_STORE_RBC 0x01 ///< Reduced Block Commands
#define USB_MASS_STORE_8020I 0x02 ///< SFF-8020i, typically a CD/DVD device
#define USB_MASS_STORE_QIC 0x03 ///< Typically a tape device
#define USB_MASS_STORE_UFI 0x04 ///< Typically a floppy disk driver device
#define USB_MASS_STORE_8070I 0x05 ///< SFF-8070i, typically a floppy disk driver device.
#define USB_MASS_STORE_SCSI 0x06 ///< SCSI transparent command set
//
// Usb mass storage protocol code, specify the transport protocol
//
#define USB_MASS_STORE_CBI0 0x00 ///< CBI protocol with command completion interrupt
#define USB_MASS_STORE_CBI1 0x01 ///< CBI protocol without command completion interrupt
#define USB_MASS_STORE_BOT 0x50 ///< Bulk-Only Transport
#define USB_MASS_1_MILLISECOND 1000
#define USB_MASS_1_SECOND (1000 * USB_MASS_1_MILLISECOND)
#define USB_MASS_CMD_SUCCESS 0
#define USB_MASS_CMD_FAIL 1
#define USB_MASS_CMD_PERSISTENT 2
/**
Initializes USB transport protocol.
This function initializes the USB mass storage class transport protocol.
It will save its context in the Context if Context isn't NULL.
@param UsbIo The USB I/O Protocol instance
@param Context The buffer to save the context to
@retval EFI_SUCCESS The device is successfully initialized.
@retval EFI_UNSUPPORTED The transport protocol doesn't support the device.
@retval Other The USB transport initialization fails.
**/
typedef
EFI_STATUS
(*USB_MASS_INIT_TRANSPORT) (
IN EFI_USB_IO_PROTOCOL *Usb,
OUT VOID **Context OPTIONAL
);
/**
Execute USB mass storage command through the transport protocol.
@param Context The USB Transport Protocol.
@param Cmd The command to transfer to device
@param CmdLen The length of the command
@param DataDir The direction of data transfer
@param Data The buffer to hold the data
@param DataLen The length of the buffer
@param Lun Should be 0, this field for bot only
@param Timeout The time to wait
@param CmdStatus The result of the command execution
@retval EFI_SUCCESS The command is executed successfully.
@retval Other Failed to execute the command
**/
typedef
EFI_STATUS
(*USB_MASS_EXEC_COMMAND) (
IN VOID *Context,
IN VOID *Cmd,
IN UINT8 CmdLen,
IN EFI_USB_DATA_DIRECTION DataDir,
IN VOID *Data,
IN UINT32 DataLen,
IN UINT8 Lun,
IN UINT32 Timeout,
OUT UINT32 *CmdStatus
);
/**
Reset the USB mass storage device by Transport protocol.
@param Context The USB Transport Protocol
@param ExtendedVerification The flag controlling the rule of reset.
Not used here.
@retval EFI_SUCCESS The device is reset.
@retval Others Failed to reset the device.
**/
typedef
EFI_STATUS
(*USB_MASS_RESET) (
IN VOID *Context,
IN BOOLEAN ExtendedVerification
);
/**
Get the max LUN (Logical Unit Number) of USB mass storage device.
@param Context The context of the transport protocol.
@param MaxLun Return pointer to the max number of LUN. (e.g. MaxLun=1 means LUN0 and
LUN1 in all.)
@retval EFI_SUCCESS Max LUN is got successfully.
@retval Others Fail to execute this request.
**/
typedef
EFI_STATUS
(*USB_MASS_GET_MAX_LUN) (
IN VOID *Context,
IN UINT8 *MaxLun
);
/**
Clean up the transport protocol's resource.
@param Context The instance of transport protocol.
@retval EFI_SUCCESS The resource is cleaned up.
**/
typedef
EFI_STATUS
(*USB_MASS_CLEAN_UP) (
IN VOID *Context
);
///
/// This structure contains information necessary to select the
/// proper transport protocol. The mass storage class defines
/// two transport protocols. One is the CBI, and the other is BOT.
/// CBI is being obseleted. The design is made modular by this
/// structure so that the CBI protocol can be easily removed when
/// it is no longer necessary.
///
struct _USB_MASS_TRANSPORT {
UINT8 Protocol;
USB_MASS_INIT_TRANSPORT Init; ///< Initialize the mass storage transport protocol
USB_MASS_EXEC_COMMAND ExecCommand; ///< Transport command to the device then get result
USB_MASS_RESET Reset; ///< Reset the device
USB_MASS_GET_MAX_LUN GetMaxLun; ///< Get max lun, only for bot
USB_MASS_CLEAN_UP CleanUp; ///< Clean up the resources.
};
struct _USB_MASS_DEVICE {
UINT32 Signature;
EFI_HANDLE Controller;
EFI_USB_IO_PROTOCOL *UsbIo;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_BLOCK_IO_PROTOCOL BlockIo;
EFI_BLOCK_IO_MEDIA BlockIoMedia;
BOOLEAN OpticalStorage;
UINT8 Lun; ///< Logical Unit Number
UINT8 Pdt; ///< Peripheral Device Type
USB_MASS_TRANSPORT *Transport; ///< USB mass storage transport protocol
VOID *Context;
EFI_DISK_INFO_PROTOCOL DiskInfo;
USB_BOOT_INQUIRY_DATA InquiryData;
};
#endif
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