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https://github.com/CloverHackyColor/CloverBootloader.git
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127 lines
4.2 KiB
C
127 lines
4.2 KiB
C
/** @file
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BDS Lib functions which relate with connect the device
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Copyright (c) 2004 - 2008, 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 PLATFORM_BDSCONNECT_H_
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#define PLATFORM_BDSCONNECT_H_
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#include <Platform.h> // Only use angled for Platform, else, xcode project won't compile
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//#include "../include/Handle.h"
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//#include "../Platform/Settings.h"
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/**
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This function will create all handles associate with every device
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path node. If the handle associate with one device path node can not
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be created success, then still give one chance to do the dispatch,
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which load the missing drivers if possible.
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@param DevicePathToConnect The device path which will be connected, it can be
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a multi-instance device path
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@retval EFI_SUCCESS All handles associate with every device path node
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have been created
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@retval EFI_OUT_OF_RESOURCES There is no resource to create new handles
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@retval EFI_NOT_FOUND Create the handle associate with one device path
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node failed
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**/
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EFI_STATUS
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EFIAPI
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BdsLibConnectDevicePath (
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IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect
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);
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/**
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This function will connect all current system handles recursively.
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gBS->ConnectController() service is invoked for each handle exist in system handler buffer.
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If the handle is bus type handler, all childrens also will be connected recursively
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by gBS->ConnectController().
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@retval EFI_SUCCESS All handles and it's child handle have been connected
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@retval EFI_STATUS Error status returned by of gBS->LocateHandleBuffer().
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**/
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EFI_STATUS
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EFIAPI
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BdsLibConnectAllEfi (
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void
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);
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/**
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This function will disconnect all current system handles.
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gBS->DisconnectController() is invoked for each handle exists in system handle buffer.
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If handle is a bus type handle, all childrens also are disconnected recursively by
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gBS->DisconnectController().
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@retval EFI_SUCCESS All handles have been disconnected
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@retval EFI_STATUS Error status returned by of gBS->LocateHandleBuffer().
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**/
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EFI_STATUS
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EFIAPI
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BdsLibDisconnectAllEfi (
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void
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);
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EFI_STATUS ScanDeviceHandles(EFI_HANDLE ControllerHandle,
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UINTN *HandleCount,
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EFI_HANDLE **HandleBuffer,
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UINT32 **HandleType);
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EFI_STATUS BdsLibConnectMostlyAllEfi();
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/**
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Connects all drivers to all controllers.
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This function make sure all the current system driver will manage
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the corresponding controllers if have. And at the same time, make
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sure all the system controllers have driver to manage it if have.
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**/
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void
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EFIAPI
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BdsLibConnectAllDriversToAllControllers (
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void
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);
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/**
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Connect the specific Usb device which match the short form device path,
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and whose bus is determined by Host Controller (Uhci or Ehci).
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@param HostControllerPI Uhci (0x00) or Ehci (0x20) or Both uhci and ehci
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(0xFF)
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@param RemainingDevicePath a short-form device path that starts with the first
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element being a USB WWID or a USB Class device
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path
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@return EFI_INVALID_PARAMETER RemainingDevicePath is NULL pointer.
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RemainingDevicePath is not a USB device path.
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Invalid HostControllerPI type.
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@return EFI_SUCCESS Success to connect USB device
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@return EFI_NOT_FOUND Fail to find handle for USB controller to connect.
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**/
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EFI_STATUS
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EFIAPI
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BdsLibConnectUsbDevByShortFormDP(
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IN UINT8 HostControllerPI,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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