mirror of https://github.com/acidanthera/audk.git
659 lines
19 KiB
C
659 lines
19 KiB
C
/** @file
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Implement the driver binding protocol for Asix AX88772 Ethernet driver.
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Copyright (c) 2011-2013, Intel Corporation
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All rights reserved. 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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#include "Ax88772.h"
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/**
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Verify the controller type
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@param [in] pThis Protocol instance pointer.
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@param [in] Controller Handle of device to test.
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@param [in] pRemainingDevicePath Not used.
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@retval EFI_SUCCESS This driver supports this device.
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@retval other This driver does not support this device.
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**/
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EFI_STATUS
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EFIAPI
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DriverSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL * pThis,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL * pRemainingDevicePath
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)
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{
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EFI_USB_DEVICE_DESCRIPTOR Device;
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EFI_USB_IO_PROTOCOL * pUsbIo;
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EFI_STATUS Status;
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//
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// Connect to the USB stack
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//
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiUsbIoProtocolGuid,
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(VOID **) &pUsbIo,
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pThis->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (!EFI_ERROR ( Status )) {
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//
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// Get the interface descriptor to check the USB class and find a transport
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// protocol handler.
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//
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Status = pUsbIo->UsbGetDeviceDescriptor ( pUsbIo, &Device );
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if (EFI_ERROR ( Status )) {
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Status = EFI_UNSUPPORTED;
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}
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else {
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//
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// Validate the adapter
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//
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if ( VENDOR_ID == Device.IdVendor ) {
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if (PRODUCT_ID == Device.IdProduct) {
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DEBUG ((EFI_D_INFO, "Found the AX88772B\r\n"));
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}
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else {
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Status = EFI_UNSUPPORTED;
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}
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}
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else {
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Status = EFI_UNSUPPORTED;
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}
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}
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//
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// Done with the USB stack
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//
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gBS->CloseProtocol (
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Controller,
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&gEfiUsbIoProtocolGuid,
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pThis->DriverBindingHandle,
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Controller
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);
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}
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return Status;
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}
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/**
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Start this driver on Controller by opening UsbIo and DevicePath protocols.
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Initialize PXE structures, create a copy of the Controller Device Path with the
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NIC's MAC address appended to it, install the NetworkInterfaceIdentifier protocol
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on the newly created Device Path.
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@param [in] pThis Protocol instance pointer.
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@param [in] Controller Handle of device to work with.
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@param [in] pRemainingDevicePath Not used, always produce all possible children.
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@retval EFI_SUCCESS This driver is added to Controller.
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@retval other This driver does not support this device.
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**/
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EFI_STATUS
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EFIAPI
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DriverStart (
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IN EFI_DRIVER_BINDING_PROTOCOL * pThis,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL * pRemainingDevicePath
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)
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{
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EFI_STATUS Status;
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NIC_DEVICE *pNicDevice;
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UINTN LengthInBytes;
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EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath = NULL;
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MAC_ADDR_DEVICE_PATH MacDeviceNode;
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//
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// Allocate the device structure
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//
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LengthInBytes = sizeof ( *pNicDevice );
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Status = gBS->AllocatePool (
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EfiRuntimeServicesData,
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LengthInBytes,
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(VOID **) &pNicDevice
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);
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if (EFI_ERROR (Status)) {
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DEBUG ((EFI_D_ERROR, "gBS->AllocatePool:pNicDevice ERROR Status = %r\n", Status));
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goto EXIT;
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}
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//
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// Set the structure signature
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//
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ZeroMem ( pNicDevice, LengthInBytes );
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pNicDevice->Signature = DEV_SIGNATURE;
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiUsbIoProtocolGuid,
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(VOID **) &pNicDevice->pUsbIo,
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pThis->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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DEBUG ((EFI_D_ERROR, "gBS->OpenProtocol:EFI_USB_IO_PROTOCOL ERROR Status = %r\n", Status));
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gBS->FreePool ( pNicDevice );
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goto EXIT;
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}
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//
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// Initialize the simple network protocol
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//
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Status = SN_Setup ( pNicDevice );
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if (EFI_ERROR(Status)){
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DEBUG ((EFI_D_ERROR, "SN_Setup ERROR Status = %r\n", Status));
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gBS->CloseProtocol (
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Controller,
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&gEfiUsbIoProtocolGuid,
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pThis->DriverBindingHandle,
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Controller
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);
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gBS->FreePool ( pNicDevice );
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goto EXIT;
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}
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//
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// Set Device Path
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//
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiDevicePathProtocolGuid,
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(VOID **) &ParentDevicePath,
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pThis->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR(Status)) {
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DEBUG ((EFI_D_ERROR, "gBS->OpenProtocol:EFI_DEVICE_PATH_PROTOCOL error. Status = %r\n",
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Status));
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gBS->CloseProtocol (
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Controller,
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&gEfiUsbIoProtocolGuid,
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pThis->DriverBindingHandle,
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Controller
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);
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gBS->FreePool ( pNicDevice );
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goto EXIT;
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}
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ZeroMem (&MacDeviceNode, sizeof (MAC_ADDR_DEVICE_PATH));
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MacDeviceNode.Header.Type = MESSAGING_DEVICE_PATH;
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MacDeviceNode.Header.SubType = MSG_MAC_ADDR_DP;
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SetDevicePathNodeLength (&MacDeviceNode.Header, sizeof (MAC_ADDR_DEVICE_PATH));
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CopyMem (&MacDeviceNode.MacAddress,
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&pNicDevice->SimpleNetworkData.CurrentAddress,
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PXE_HWADDR_LEN_ETHER);
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MacDeviceNode.IfType = pNicDevice->SimpleNetworkData.IfType;
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pNicDevice->MyDevPath = AppendDevicePathNode (
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ParentDevicePath,
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(EFI_DEVICE_PATH_PROTOCOL *) &MacDeviceNode
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);
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pNicDevice->Controller = NULL;
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//
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// Install both the simple network and device path protocols.
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//
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Status = gBS->InstallMultipleProtocolInterfaces (
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&pNicDevice->Controller,
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&gEfiCallerIdGuid,
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pNicDevice,
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&gEfiSimpleNetworkProtocolGuid,
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&pNicDevice->SimpleNetwork,
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&gEfiDevicePathProtocolGuid,
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pNicDevice->MyDevPath,
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NULL
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);
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if (EFI_ERROR(Status)){
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DEBUG ((EFI_D_ERROR, "gBS->InstallMultipleProtocolInterfaces error. Status = %r\n",
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Status));
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gBS->CloseProtocol (
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Controller,
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&gEfiDevicePathProtocolGuid,
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pThis->DriverBindingHandle,
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Controller);
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gBS->CloseProtocol (
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Controller,
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&gEfiUsbIoProtocolGuid,
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pThis->DriverBindingHandle,
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Controller
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);
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gBS->FreePool ( pNicDevice );
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goto EXIT;
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}
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//
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// Open For Child Device
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//
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiUsbIoProtocolGuid,
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(VOID **) &pNicDevice->pUsbIo,
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pThis->DriverBindingHandle,
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pNicDevice->Controller,
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EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
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);
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if (EFI_ERROR(Status)){
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gBS->UninstallMultipleProtocolInterfaces (
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&pNicDevice->Controller,
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&gEfiCallerIdGuid,
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pNicDevice,
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&gEfiSimpleNetworkProtocolGuid,
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&pNicDevice->SimpleNetwork,
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&gEfiDevicePathProtocolGuid,
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pNicDevice->MyDevPath,
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NULL
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);
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gBS->CloseProtocol (
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Controller,
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&gEfiDevicePathProtocolGuid,
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pThis->DriverBindingHandle,
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Controller);
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gBS->CloseProtocol (
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Controller,
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&gEfiUsbIoProtocolGuid,
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pThis->DriverBindingHandle,
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Controller
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);
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gBS->FreePool ( pNicDevice );
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}
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EXIT:
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return Status;
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}
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/**
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Stop this driver on Controller by removing NetworkInterfaceIdentifier protocol and
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closing the DevicePath and PciIo protocols on Controller.
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@param [in] pThis Protocol instance pointer.
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@param [in] Controller Handle of device to stop driver on.
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@param [in] NumberOfChildren How many children need to be stopped.
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@param [in] pChildHandleBuffer Not used.
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@retval EFI_SUCCESS This driver is removed Controller.
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@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
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@retval other This driver was not removed from this device.
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**/
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EFI_STATUS
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EFIAPI
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DriverStop (
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IN EFI_DRIVER_BINDING_PROTOCOL * pThis,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE * ChildHandleBuffer
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)
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{
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BOOLEAN AllChildrenStopped;
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UINTN Index;
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EFI_SIMPLE_NETWORK_PROTOCOL *SimpleNetwork;
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EFI_STATUS Status = EFI_SUCCESS;
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NIC_DEVICE *pNicDevice;
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//
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// Complete all outstanding transactions to Controller.
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// Don't allow any new transaction to Controller to be started.
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//
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if (NumberOfChildren == 0) {
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiSimpleNetworkProtocolGuid,
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(VOID **) &SimpleNetwork,
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pThis->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR(Status)) {
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//
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// This is a 2nd type handle(multi-lun root), it needs to close devicepath
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// and usbio protocol.
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//
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gBS->CloseProtocol (
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Controller,
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&gEfiDevicePathProtocolGuid,
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pThis->DriverBindingHandle,
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Controller
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);
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gBS->CloseProtocol (
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Controller,
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&gEfiUsbIoProtocolGuid,
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pThis->DriverBindingHandle,
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Controller
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);
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return EFI_SUCCESS;
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}
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pNicDevice = DEV_FROM_SIMPLE_NETWORK ( SimpleNetwork );
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Status = gBS->UninstallMultipleProtocolInterfaces (
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Controller,
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&gEfiCallerIdGuid,
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pNicDevice,
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&gEfiSimpleNetworkProtocolGuid,
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&pNicDevice->SimpleNetwork,
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&gEfiDevicePathProtocolGuid,
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pNicDevice->MyDevPath,
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NULL
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Close the bus driver
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//
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Status = gBS->CloseProtocol (
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Controller,
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&gEfiDevicePathProtocolGuid,
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pThis->DriverBindingHandle,
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Controller
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);
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if (EFI_ERROR(Status)){
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DEBUG ((EFI_D_ERROR, "driver stop: gBS->CloseProtocol:EfiDevicePathProtocol error. Status %r\n", Status));
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}
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Status = gBS->CloseProtocol (
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Controller,
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&gEfiUsbIoProtocolGuid,
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pThis->DriverBindingHandle,
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Controller
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);
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if (EFI_ERROR(Status)){
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DEBUG ((EFI_D_ERROR, "driver stop: gBS->CloseProtocol:EfiUsbIoProtocol error. Status %r\n", Status));
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}
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return EFI_SUCCESS;
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}
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AllChildrenStopped = TRUE;
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for (Index = 0; Index < NumberOfChildren; Index++) {
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Status = gBS->OpenProtocol (
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ChildHandleBuffer[Index],
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&gEfiSimpleNetworkProtocolGuid,
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(VOID **) &SimpleNetwork,
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pThis->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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AllChildrenStopped = FALSE;
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DEBUG ((EFI_D_ERROR, "Fail to stop No.%d multi-lun child handle when opening SimpleNetwork\n", (UINT32)Index));
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continue;
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}
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pNicDevice = DEV_FROM_SIMPLE_NETWORK ( SimpleNetwork );
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gBS->CloseProtocol (
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Controller,
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&gEfiUsbIoProtocolGuid,
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pThis->DriverBindingHandle,
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ChildHandleBuffer[Index]
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);
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Status = gBS->UninstallMultipleProtocolInterfaces (
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ChildHandleBuffer[Index],
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&gEfiCallerIdGuid,
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pNicDevice,
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&gEfiSimpleNetworkProtocolGuid,
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&pNicDevice->SimpleNetwork,
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&gEfiDevicePathProtocolGuid,
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pNicDevice->MyDevPath,
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NULL
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);
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if (EFI_ERROR (Status)) {
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiUsbIoProtocolGuid,
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(VOID **) &pNicDevice->pUsbIo,
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pThis->DriverBindingHandle,
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ChildHandleBuffer[Index],
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EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
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);
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}
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else {
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int i;
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RX_PKT * pCurr = pNicDevice->QueueHead;
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RX_PKT * pFree;
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for ( i = 0 ; i < MAX_QUEUE_SIZE ; i++) {
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if ( NULL != pCurr ) {
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pFree = pCurr;
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pCurr = pCurr->pNext;
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gBS->FreePool (pFree);
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}
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}
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if ( NULL != pNicDevice->pRxTest)
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gBS->FreePool (pNicDevice->pRxTest);
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if ( NULL != pNicDevice->pTxTest)
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gBS->FreePool (pNicDevice->pTxTest);
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if ( NULL != pNicDevice->MyDevPath)
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gBS->FreePool (pNicDevice->MyDevPath);
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if ( NULL != pNicDevice)
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gBS->FreePool (pNicDevice);
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}
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}
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if (!AllChildrenStopped) {
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return EFI_DEVICE_ERROR;
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}
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return EFI_SUCCESS;
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}
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/**
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Driver binding protocol declaration
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**/
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EFI_DRIVER_BINDING_PROTOCOL gDriverBinding = {
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DriverSupported,
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DriverStart,
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DriverStop,
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0xa,
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NULL,
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NULL
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};
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|
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/**
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Ax88772 driver unload routine.
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@param [in] ImageHandle Handle for the image.
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@retval EFI_SUCCESS Image may be unloaded
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**/
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EFI_STATUS
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EFIAPI
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DriverUnload (
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IN EFI_HANDLE ImageHandle
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)
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{
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UINTN BufferSize;
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UINTN Index;
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UINTN Max;
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EFI_HANDLE * pHandle;
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EFI_STATUS Status;
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|
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//
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// Determine which devices are using this driver
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//
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BufferSize = 0;
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pHandle = NULL;
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Status = gBS->LocateHandle (
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ByProtocol,
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&gEfiCallerIdGuid,
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NULL,
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&BufferSize,
|
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NULL );
|
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if ( EFI_BUFFER_TOO_SMALL == Status ) {
|
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for ( ; ; ) {
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//
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// One or more block IO devices are present
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//
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Status = gBS->AllocatePool (
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EfiRuntimeServicesData,
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BufferSize,
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(VOID **) &pHandle
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);
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if ( EFI_ERROR ( Status )) {
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DEBUG ((EFI_D_ERROR, "Insufficient memory, failed handle buffer allocation\r\n"));
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break;
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}
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//
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// Locate the block IO devices
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//
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Status = gBS->LocateHandle (
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ByProtocol,
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&gEfiCallerIdGuid,
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NULL,
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&BufferSize,
|
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pHandle );
|
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if ( EFI_ERROR ( Status )) {
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//
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// Error getting handles
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//
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break;
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}
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//
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// Remove any use of the driver
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//
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Max = BufferSize / sizeof ( pHandle[ 0 ]);
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for ( Index = 0; Max > Index; Index++ ) {
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Status = DriverStop ( &gDriverBinding,
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pHandle[ Index ],
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0,
|
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NULL );
|
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if ( EFI_ERROR ( Status )) {
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DEBUG ((EFI_D_ERROR, "WARNING - Failed to shutdown the driver on handle %08x\r\n", pHandle[ Index ]));
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break;
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}
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}
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break;
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}
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}
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else {
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if ( EFI_NOT_FOUND == Status ) {
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//
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|
// No devices were found
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//
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Status = EFI_SUCCESS;
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}
|
|
}
|
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|
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//
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// Free the handle array
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|
//
|
|
if ( NULL != pHandle ) {
|
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gBS->FreePool ( pHandle );
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}
|
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|
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//
|
|
// Remove the protocols installed by the EntryPoint routine.
|
|
//
|
|
if ( !EFI_ERROR ( Status )) {
|
|
gBS->UninstallMultipleProtocolInterfaces (
|
|
ImageHandle,
|
|
&gEfiDriverBindingProtocolGuid,
|
|
&gDriverBinding,
|
|
&gEfiComponentNameProtocolGuid,
|
|
&gComponentName,
|
|
&gEfiComponentName2ProtocolGuid,
|
|
&gComponentName2,
|
|
NULL
|
|
);
|
|
|
|
DEBUG (( DEBUG_POOL | DEBUG_INIT | DEBUG_INFO,
|
|
"Removed: gEfiComponentName2ProtocolGuid from 0x%08x\r\n",
|
|
ImageHandle ));
|
|
DEBUG (( DEBUG_POOL | DEBUG_INIT | DEBUG_INFO,
|
|
"Removed: gEfiComponentNameProtocolGuid from 0x%08x\r\n",
|
|
ImageHandle ));
|
|
DEBUG (( DEBUG_POOL | DEBUG_INIT | DEBUG_INFO,
|
|
"Removed: gEfiDriverBindingProtocolGuid from 0x%08x\r\n",
|
|
ImageHandle ));
|
|
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
/**
|
|
Ax88772 driver entry point.
|
|
|
|
@param [in] ImageHandle Handle for the image.
|
|
@param [in] pSystemTable Address of the system table.
|
|
|
|
@retval EFI_SUCCESS Image successfully loaded.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EntryPoint (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE * pSystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
//
|
|
// Add the driver to the list of drivers
|
|
//
|
|
Status = EfiLibInstallDriverBindingComponentName2 (
|
|
ImageHandle,
|
|
pSystemTable,
|
|
&gDriverBinding,
|
|
ImageHandle,
|
|
&gComponentName,
|
|
&gComponentName2
|
|
);
|
|
if ( !EFI_ERROR ( Status )) {
|
|
DEBUG ((EFI_D_INFO, "Installed: gEfiDriverBindingProtocolGuid on 0x%08x\r\n",
|
|
ImageHandle));
|
|
DEBUG ((EFI_D_INFO, "Installed: gEfiComponentNameProtocolGuid on 0x%08x\r\n",
|
|
ImageHandle));
|
|
DEBUG ((EFI_D_INFO,"Installed: gEfiComponentName2ProtocolGuid on 0x%08x\r\n",
|
|
ImageHandle ));
|
|
|
|
}
|
|
return Status;
|
|
}
|