mirror of https://github.com/acidanthera/audk.git
235 lines
8.9 KiB
C
235 lines
8.9 KiB
C
/** @file
|
|
|
|
The implementation of USB mass storage class device driver.
|
|
|
|
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_USBMASS_IMPL_H_
|
|
#define _EFI_USBMASS_IMPL_H_
|
|
|
|
typedef struct _USB_MASS_DEVICE USB_MASS_DEVICE;
|
|
|
|
#include "UsbMass.h"
|
|
#include "UsbMassBot.h"
|
|
#include "UsbMassCbi.h"
|
|
#include "UsbMassBoot.h"
|
|
|
|
#define USB_MASS_SIGNATURE SIGNATURE_32 ('U', 's', 'b', 'M')
|
|
|
|
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; // Opaque storage for mass transport
|
|
};
|
|
|
|
#define USB_MASS_DEVICE_FROM_BLOCK_IO(a) \
|
|
CR (a, USB_MASS_DEVICE, BlockIo, USB_MASS_SIGNATURE)
|
|
|
|
extern EFI_COMPONENT_NAME_PROTOCOL gUsbMassStorageComponentName;
|
|
extern EFI_COMPONENT_NAME2_PROTOCOL gUsbMassStorageComponentName2;
|
|
|
|
//
|
|
// Functions for Driver Binding Protocol
|
|
//
|
|
|
|
/**
|
|
Check whether the controller is a supported USB mass storage.
|
|
|
|
@param This The USB mass storage driver binding protocol.
|
|
@param Controller The controller handle to check.
|
|
@param RemainingDevicePath The remaining device path.
|
|
|
|
@retval EFI_SUCCESS The driver supports this controller.
|
|
@retval other This device isn't supported.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBMassDriverBindingSupported (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
|
);
|
|
|
|
/**
|
|
Starts the USB mass storage device with this driver.
|
|
|
|
This function consumes USB I/O Portocol, intializes USB mass storage device,
|
|
installs Block I/O Protocol, and submits Asynchronous Interrupt
|
|
Transfer to manage the USB mass storage device.
|
|
|
|
@param This The USB mass storage driver binding protocol.
|
|
@param Controller The USB mass storage device to start on
|
|
@param RemainingDevicePath The remaining device path.
|
|
|
|
@retval EFI_SUCCESS This driver supports this device.
|
|
@retval EFI_UNSUPPORTED This driver does not support this device.
|
|
@retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.
|
|
@retval EFI_OUT_OF_RESOURCES Can't allocate memory resources.
|
|
@retval EFI_ALREADY_STARTED This driver has been started.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBMassDriverBindingStart (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
|
);
|
|
|
|
/**
|
|
Stop controlling the device.
|
|
|
|
@param This The USB mass storage driver binding
|
|
@param Controller The device controller controlled by the driver.
|
|
@param NumberOfChildren The number of children of this device
|
|
@param ChildHandleBuffer The buffer of children handle.
|
|
|
|
@retval EFI_SUCCESS The driver stopped from controlling the device.
|
|
@retval Others Failed to stop the driver
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBMassDriverBindingStop (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN UINTN NumberOfChildren,
|
|
IN EFI_HANDLE *ChildHandleBuffer
|
|
);
|
|
|
|
//
|
|
// Functions for Block I/O Protocol
|
|
//
|
|
|
|
/**
|
|
Reset the block device.
|
|
|
|
This function implements EFI_BLOCK_IO_PROTOCOL.Reset().
|
|
It resets the block device hardware.
|
|
ExtendedVerification is ignored in this implementation.
|
|
|
|
@param This Indicates a pointer to the calling context.
|
|
@param ExtendedVerification Indicates that the driver may perform a more exhaustive
|
|
verification operation of the device during reset.
|
|
|
|
@retval EFI_SUCCESS The block device was reset.
|
|
@retval EFI_DEVICE_ERROR The block device is not functioning correctly and could not be reset.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
UsbMassReset (
|
|
IN EFI_BLOCK_IO_PROTOCOL *This,
|
|
IN BOOLEAN ExtendedVerification
|
|
);
|
|
|
|
/**
|
|
Reads the requested number of blocks from the device.
|
|
|
|
This function implements EFI_BLOCK_IO_PROTOCOL.ReadBlocks().
|
|
It reads the requested number of blocks from the device.
|
|
All the blocks are read, or an error is returned.
|
|
|
|
@param This Indicates a pointer to the calling context.
|
|
@param MediaId The media ID that the read request is for.
|
|
@param Lba The starting logical block address to read from on the device.
|
|
@param BufferSize The size of the Buffer in bytes.
|
|
This must be a multiple of the intrinsic block size of the device.
|
|
@param Buffer A pointer to the destination buffer for the data. The caller is
|
|
responsible for either having implicit or explicit ownership of the buffer.
|
|
|
|
@retval EFI_SUCCESS The data was read correctly from the device.
|
|
@retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the read operation.
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
|
@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
|
|
@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic block size of the device.
|
|
@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
|
|
or the buffer is not on proper alignment.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
UsbMassReadBlocks (
|
|
IN EFI_BLOCK_IO_PROTOCOL *This,
|
|
IN UINT32 MediaId,
|
|
IN EFI_LBA Lba,
|
|
IN UINTN BufferSize,
|
|
OUT VOID *Buffer
|
|
);
|
|
|
|
/**
|
|
Writes a specified number of blocks to the device.
|
|
|
|
This function implements EFI_BLOCK_IO_PROTOCOL.WriteBlocks().
|
|
It writes a specified number of blocks to the device.
|
|
All blocks are written, or an error is returned.
|
|
|
|
@param This Indicates a pointer to the calling context.
|
|
@param MediaId The media ID that the write request is for.
|
|
@param Lba The starting logical block address to be written.
|
|
@param BufferSize The size of the Buffer in bytes.
|
|
This must be a multiple of the intrinsic block size of the device.
|
|
@param Buffer Pointer to the source buffer for the data.
|
|
|
|
@retval EFI_SUCCESS The data were written correctly to the device.
|
|
@retval EFI_WRITE_PROTECTED The device cannot be written to.
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
|
@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
|
|
@retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the write operation.
|
|
@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic
|
|
block size of the device.
|
|
@retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
|
|
or the buffer is not on proper alignment.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
UsbMassWriteBlocks (
|
|
IN EFI_BLOCK_IO_PROTOCOL *This,
|
|
IN UINT32 MediaId,
|
|
IN EFI_LBA Lba,
|
|
IN UINTN BufferSize,
|
|
IN VOID *Buffer
|
|
);
|
|
|
|
/**
|
|
Flushes all modified data to a physical block device.
|
|
|
|
This function implements EFI_BLOCK_IO_PROTOCOL.FlushBlocks().
|
|
USB mass storage device doesn't support write cache,
|
|
so return EFI_SUCCESS directly.
|
|
|
|
@param This Indicates a pointer to the calling context.
|
|
|
|
@retval EFI_SUCCESS All outstanding data were written correctly to the device.
|
|
@retval EFI_DEVICE_ERROR The device reported an error while attempting to write data.
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
UsbMassFlushBlocks (
|
|
IN EFI_BLOCK_IO_PROTOCOL *This
|
|
);
|
|
|
|
|
|
#endif
|