mirror of https://github.com/acidanthera/audk.git
1197 lines
42 KiB
C
1197 lines
42 KiB
C
/** @file
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Driver Binding functions implementation for UEFI HTTP boot.
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Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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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 "HttpBootDxe.h"
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///
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/// Driver Binding Protocol instance
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///
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EFI_DRIVER_BINDING_PROTOCOL gHttpBootIp4DxeDriverBinding = {
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HttpBootIp4DxeDriverBindingSupported,
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HttpBootIp4DxeDriverBindingStart,
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HttpBootIp4DxeDriverBindingStop,
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HTTP_BOOT_DXE_VERSION,
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NULL,
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NULL
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};
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EFI_DRIVER_BINDING_PROTOCOL gHttpBootIp6DxeDriverBinding = {
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HttpBootIp6DxeDriverBindingSupported,
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HttpBootIp6DxeDriverBindingStart,
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HttpBootIp6DxeDriverBindingStop,
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HTTP_BOOT_DXE_VERSION,
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NULL,
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NULL
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};
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/**
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Destroy the HTTP child based on IPv4 stack.
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@param[in] This Pointer to the EFI_DRIVER_BINDING_PROTOCOL.
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@param[in] Private Pointer to HTTP_BOOT_PRIVATE_DATA.
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**/
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VOID
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HttpBootDestroyIp4Children (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN HTTP_BOOT_PRIVATE_DATA *Private
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)
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{
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ASSERT (This != NULL);
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ASSERT (Private != NULL);
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if (Private->Dhcp4Child != NULL) {
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gBS->CloseProtocol (
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Private->Dhcp4Child,
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&gEfiDhcp4ProtocolGuid,
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This->DriverBindingHandle,
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Private->Controller
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);
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NetLibDestroyServiceChild (
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Private->Controller,
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This->DriverBindingHandle,
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&gEfiDhcp4ServiceBindingProtocolGuid,
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Private->Dhcp4Child
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);
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}
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if (Private->HttpCreated) {
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HttpIoDestroyIo (&Private->HttpIo);
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Private->HttpCreated = FALSE;
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}
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if (Private->Ip4Nic != NULL) {
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gBS->CloseProtocol (
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Private->Controller,
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&gEfiCallerIdGuid,
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This->DriverBindingHandle,
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Private->Ip4Nic->Controller
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);
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gBS->UninstallMultipleProtocolInterfaces (
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Private->Ip4Nic->Controller,
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&gEfiLoadFileProtocolGuid,
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&Private->Ip4Nic->LoadFile,
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&gEfiDevicePathProtocolGuid,
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Private->Ip4Nic->DevicePath,
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NULL
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);
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FreePool (Private->Ip4Nic);
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Private->Ip4Nic = NULL;
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}
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}
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/**
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Destroy the HTTP child based on IPv6 stack.
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@param[in] This Pointer to the EFI_DRIVER_BINDING_PROTOCOL.
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@param[in] Private Pointer to HTTP_BOOT_PRIVATE_DATA.
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**/
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VOID
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HttpBootDestroyIp6Children (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN HTTP_BOOT_PRIVATE_DATA *Private
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)
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{
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ASSERT (This != NULL);
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ASSERT (Private != NULL);
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if (Private->Ip6Child != NULL) {
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gBS->CloseProtocol (
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Private->Ip6Child,
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&gEfiIp6ProtocolGuid,
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This->DriverBindingHandle,
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Private->Controller
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);
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NetLibDestroyServiceChild (
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Private->Controller,
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This->DriverBindingHandle,
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&gEfiIp6ServiceBindingProtocolGuid,
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Private->Ip6Child
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);
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}
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if (Private->Dhcp6Child != NULL) {
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gBS->CloseProtocol (
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Private->Dhcp6Child,
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&gEfiDhcp6ProtocolGuid,
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This->DriverBindingHandle,
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Private->Controller
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);
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NetLibDestroyServiceChild (
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Private->Controller,
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This->DriverBindingHandle,
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&gEfiDhcp6ServiceBindingProtocolGuid,
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Private->Dhcp6Child
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);
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}
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if (Private->HttpCreated) {
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HttpIoDestroyIo(&Private->HttpIo);
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Private->HttpCreated = FALSE;
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}
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if (Private->Ip6Nic != NULL) {
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gBS->CloseProtocol (
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Private->Controller,
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&gEfiCallerIdGuid,
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This->DriverBindingHandle,
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Private->Ip6Nic->Controller
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);
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gBS->UninstallMultipleProtocolInterfaces (
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Private->Ip6Nic->Controller,
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&gEfiLoadFileProtocolGuid,
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&Private->Ip6Nic->LoadFile,
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&gEfiDevicePathProtocolGuid,
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Private->Ip6Nic->DevicePath,
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NULL
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);
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FreePool (Private->Ip6Nic);
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Private->Ip6Nic = NULL;
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}
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}
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/**
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Tests to see if this driver supports a given controller. If a child device is provided,
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it further tests to see if this driver supports creating a handle for the specified child device.
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This function checks to see if the driver specified by This supports the device specified by
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ControllerHandle. Drivers will typically use the device path attached to
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ControllerHandle and/or the services from the bus I/O abstraction attached to
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ControllerHandle to determine if the driver supports ControllerHandle. This function
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may be called many times during platform initialization. In order to reduce boot times, the tests
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performed by this function must be very small, and take as little time as possible to execute. This
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function must not change the state of any hardware devices, and this function must be aware that the
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device specified by ControllerHandle may already be managed by the same driver or a
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different driver. This function must match its calls to AllocatePages() with FreePages(),
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AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
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Because ControllerHandle may have been previously started by the same driver, if a protocol is
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already in the opened state, then it must not be closed with CloseProtocol(). This is required
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to guarantee the state of ControllerHandle is not modified by this function.
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@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
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@param[in] ControllerHandle The handle of the controller to test. This handle
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must support a protocol interface that supplies
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an I/O abstraction to the driver.
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@param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
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parameter is ignored by device drivers, and is optional for bus
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drivers. For bus drivers, if this parameter is not NULL, then
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the bus driver must determine if the bus controller specified
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by ControllerHandle and the child controller specified
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by RemainingDevicePath are both supported by this
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bus driver.
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@retval EFI_SUCCESS The device specified by ControllerHandle and
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RemainingDevicePath is supported by the driver specified by This.
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@retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
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RemainingDevicePath is already being managed by the driver
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specified by This.
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@retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
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RemainingDevicePath is already being managed by a different
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driver or an application that requires exclusive access.
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Currently not implemented.
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@retval EFI_UNSUPPORTED The device specified by ControllerHandle and
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RemainingDevicePath is not supported by the driver specified by This.
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**/
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EFI_STATUS
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EFIAPI
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HttpBootIp4DxeDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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)
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{
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EFI_STATUS Status;
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//
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// Try to open the DHCP4, HTTP4 and Device Path protocol.
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//
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiDhcp4ServiceBindingProtocolGuid,
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NULL,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_TEST_PROTOCOL
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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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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiHttpServiceBindingProtocolGuid,
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NULL,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_TEST_PROTOCOL
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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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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiDevicePathProtocolGuid,
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NULL,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_TEST_PROTOCOL
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);
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return Status;
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}
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/**
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Starts a device controller or a bus controller.
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The Start() function is designed to be invoked from the EFI boot service ConnectController().
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As a result, much of the error checking on the parameters to Start() has been moved into this
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common boot service. It is legal to call Start() from other locations,
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but the following calling restrictions must be followed, or the system behavior will not be deterministic.
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1. ControllerHandle must be a valid EFI_HANDLE.
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2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned
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EFI_DEVICE_PATH_PROTOCOL.
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3. Prior to calling Start(), the Supported() function for the driver specified by This must
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have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.
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@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
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@param[in] ControllerHandle The handle of the controller to start. This handle
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must support a protocol interface that supplies
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an I/O abstraction to the driver.
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@param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
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parameter is ignored by device drivers, and is optional for bus
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drivers. For a bus driver, if this parameter is NULL, then handles
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for all the children of Controller are created by this driver.
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If this parameter is not NULL and the first Device Path Node is
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not the End of Device Path Node, then only the handle for the
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child device specified by the first Device Path Node of
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RemainingDevicePath is created by this driver.
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If the first Device Path Node of RemainingDevicePath is
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the End of Device Path Node, no child handle is created by this
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driver.
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@retval EFI_SUCCESS The device was started.
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@retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
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@retval Others The driver failded to start the device.
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**/
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EFI_STATUS
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EFIAPI
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HttpBootIp4DxeDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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)
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{
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EFI_STATUS Status;
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HTTP_BOOT_PRIVATE_DATA *Private;
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EFI_DEV_PATH *Node;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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UINT32 *Id;
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiCallerIdGuid,
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(VOID **) &Id,
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This->DriverBindingHandle,
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ControllerHandle,
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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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Private = HTTP_BOOT_PRIVATE_DATA_FROM_ID(Id);
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} else {
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//
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// Initialize the private data structure.
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//
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Private = AllocateZeroPool (sizeof (HTTP_BOOT_PRIVATE_DATA));
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if (Private == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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Private->Signature = HTTP_BOOT_PRIVATE_DATA_SIGNATURE;
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Private->Controller = ControllerHandle;
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Private->Image = This->ImageHandle;
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InitializeListHead (&Private->CacheList);
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//
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// Get the NII interface if it exists, it's not required.
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//
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
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(VOID **) &Private->Nii,
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This->DriverBindingHandle,
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ControllerHandle,
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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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Private->Nii = NULL;
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}
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|
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//
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// Open Device Path Protocol to prepare for appending IP and URI node.
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//
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiDevicePathProtocolGuid,
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(VOID **) &Private->ParentDevicePath,
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This->DriverBindingHandle,
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ControllerHandle,
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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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goto ON_ERROR;
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}
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|
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//
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// Initialize the HII configuration form.
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//
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Status = HttpBootConfigFormInit (Private);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
|
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|
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//
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// Install a protocol with Caller Id Guid to the NIC, this is just to build the relationship between
|
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// NIC handle and the private data.
|
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//
|
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Status = gBS->InstallProtocolInterface (
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&ControllerHandle,
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&gEfiCallerIdGuid,
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EFI_NATIVE_INTERFACE,
|
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&Private->Id
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);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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|
|
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}
|
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|
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if (Private->Ip4Nic != NULL) {
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//
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// Already created before
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//
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return EFI_SUCCESS;
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}
|
|
|
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Private->Ip4Nic = AllocateZeroPool (sizeof (HTTP_BOOT_VIRTUAL_NIC));
|
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if (Private->Ip4Nic == NULL) {
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return EFI_OUT_OF_RESOURCES;
|
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}
|
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Private->Ip4Nic->Private = Private;
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Private->Ip4Nic->Signature = HTTP_BOOT_VIRTUAL_NIC_SIGNATURE;
|
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|
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//
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// Create DHCP4 child instance.
|
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//
|
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Status = NetLibCreateServiceChild (
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ControllerHandle,
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This->DriverBindingHandle,
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&gEfiDhcp4ServiceBindingProtocolGuid,
|
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&Private->Dhcp4Child
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);
|
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
|
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}
|
|
|
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Status = gBS->OpenProtocol (
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Private->Dhcp4Child,
|
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&gEfiDhcp4ProtocolGuid,
|
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(VOID **) &Private->Dhcp4,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
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EFI_OPEN_PROTOCOL_BY_DRIVER
|
|
);
|
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if (EFI_ERROR (Status)) {
|
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goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// Get the Ip4Config2 protocol, it's required to configure the default gateway address.
|
|
//
|
|
Status = gBS->OpenProtocol (
|
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ControllerHandle,
|
|
&gEfiIp4Config2ProtocolGuid,
|
|
(VOID **) &Private->Ip4Config2,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// Append IPv4 device path node.
|
|
//
|
|
Node = AllocateZeroPool (sizeof (IPv4_DEVICE_PATH));
|
|
if (Node == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
goto ON_ERROR;
|
|
}
|
|
Node->Ipv4.Header.Type = MESSAGING_DEVICE_PATH;
|
|
Node->Ipv4.Header.SubType = MSG_IPv4_DP;
|
|
SetDevicePathNodeLength (Node, sizeof (IPv4_DEVICE_PATH));
|
|
Node->Ipv4.StaticIpAddress = FALSE;
|
|
DevicePath = AppendDevicePathNode (Private->ParentDevicePath, (EFI_DEVICE_PATH_PROTOCOL*) Node);
|
|
FreePool (Node);
|
|
if (DevicePath == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// Append URI device path node.
|
|
//
|
|
Node = AllocateZeroPool (sizeof (EFI_DEVICE_PATH_PROTOCOL));
|
|
if (Node == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
goto ON_ERROR;
|
|
}
|
|
Node->DevPath.Type = MESSAGING_DEVICE_PATH;
|
|
Node->DevPath.SubType = MSG_URI_DP;
|
|
SetDevicePathNodeLength (Node, sizeof (EFI_DEVICE_PATH_PROTOCOL));
|
|
Private->Ip4Nic->DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL*) Node);
|
|
FreePool (Node);
|
|
FreePool (DevicePath);
|
|
if (Private->Ip4Nic->DevicePath == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// Create a child handle for the HTTP boot and install DevPath and Load file protocol on it.
|
|
//
|
|
CopyMem (&Private->Ip4Nic->LoadFile, &gHttpBootDxeLoadFile, sizeof (EFI_LOAD_FILE_PROTOCOL));
|
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
|
&Private->Ip4Nic->Controller,
|
|
&gEfiLoadFileProtocolGuid,
|
|
&Private->Ip4Nic->LoadFile,
|
|
&gEfiDevicePathProtocolGuid,
|
|
Private->Ip4Nic->DevicePath,
|
|
NULL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// Open the Caller Id child to setup a parent-child relationship between
|
|
// real NIC handle and the HTTP boot Ipv4 NIC handle.
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiCallerIdGuid,
|
|
(VOID **) &Id,
|
|
This->DriverBindingHandle,
|
|
Private->Ip4Nic->Controller,
|
|
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
|
|
|
|
ON_ERROR:
|
|
|
|
HttpBootDestroyIp4Children (This, Private);
|
|
HttpBootConfigFormUnload (Private);
|
|
FreePool (Private);
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
/**
|
|
Stops a device controller or a bus controller.
|
|
|
|
The Stop() function is designed to be invoked from the EFI boot service DisconnectController().
|
|
As a result, much of the error checking on the parameters to Stop() has been moved
|
|
into this common boot service. It is legal to call Stop() from other locations,
|
|
but the following calling restrictions must be followed, or the system behavior will not be deterministic.
|
|
1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this
|
|
same driver's Start() function.
|
|
2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid
|
|
EFI_HANDLE. In addition, all of these handles must have been created in this driver's
|
|
Start() function, and the Start() function must have called OpenProtocol() on
|
|
ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
|
|
|
|
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
|
|
@param[in] ControllerHandle A handle to the device being stopped. The handle must
|
|
support a bus specific I/O protocol for the driver
|
|
to use to stop the device.
|
|
@param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
|
|
@param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
|
|
if NumberOfChildren is 0.
|
|
|
|
@retval EFI_SUCCESS The device was stopped.
|
|
@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
HttpBootIp4DxeDriverBindingStop (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE ControllerHandle,
|
|
IN UINTN NumberOfChildren,
|
|
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_LOAD_FILE_PROTOCOL *LoadFile;
|
|
HTTP_BOOT_PRIVATE_DATA *Private;
|
|
EFI_HANDLE NicHandle;
|
|
UINT32 *Id;
|
|
|
|
//
|
|
// Try to get the Load File Protocol from the controller handle.
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiLoadFileProtocolGuid,
|
|
(VOID **) &LoadFile,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
//
|
|
// If failed, try to find the NIC handle for this controller.
|
|
//
|
|
NicHandle = HttpBootGetNicByIp4Children (ControllerHandle);
|
|
if (NicHandle == NULL) {
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
//
|
|
// Try to retrieve the private data by the Caller Id Guid.
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
NicHandle,
|
|
&gEfiCallerIdGuid,
|
|
(VOID **) &Id,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
Private = HTTP_BOOT_PRIVATE_DATA_FROM_ID (Id);
|
|
} else {
|
|
Private = HTTP_BOOT_PRIVATE_DATA_FROM_LOADFILE (LoadFile);
|
|
NicHandle = Private->Controller;
|
|
}
|
|
|
|
//
|
|
// Disable the HTTP boot function.
|
|
//
|
|
Status = HttpBootStop (Private);
|
|
if (Status != EFI_SUCCESS && Status != EFI_NOT_STARTED) {
|
|
return Status;
|
|
}
|
|
|
|
//
|
|
// Destory all child instance and uninstall protocol interface.
|
|
//
|
|
HttpBootDestroyIp4Children (This, Private);
|
|
|
|
if (Private->Ip4Nic == NULL && Private->Ip6Nic == NULL) {
|
|
//
|
|
// Release the cached data.
|
|
//
|
|
HttpBootFreeCacheList (Private);
|
|
|
|
//
|
|
// Unload the config form.
|
|
//
|
|
HttpBootConfigFormUnload (Private);
|
|
|
|
gBS->UninstallProtocolInterface (
|
|
NicHandle,
|
|
&gEfiCallerIdGuid,
|
|
&Private->Id
|
|
);
|
|
FreePool (Private);
|
|
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Tests to see if this driver supports a given controller. If a child device is provided,
|
|
it further tests to see if this driver supports creating a handle for the specified child device.
|
|
|
|
This function checks to see if the driver specified by This supports the device specified by
|
|
ControllerHandle. Drivers will typically use the device path attached to
|
|
ControllerHandle and/or the services from the bus I/O abstraction attached to
|
|
ControllerHandle to determine if the driver supports ControllerHandle. This function
|
|
may be called many times during platform initialization. In order to reduce boot times, the tests
|
|
performed by this function must be very small, and take as little time as possible to execute. This
|
|
function must not change the state of any hardware devices, and this function must be aware that the
|
|
device specified by ControllerHandle may already be managed by the same driver or a
|
|
different driver. This function must match its calls to AllocatePages() with FreePages(),
|
|
AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
|
|
Because ControllerHandle may have been previously started by the same driver, if a protocol is
|
|
already in the opened state, then it must not be closed with CloseProtocol(). This is required
|
|
to guarantee the state of ControllerHandle is not modified by this function.
|
|
|
|
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
|
|
@param[in] ControllerHandle The handle of the controller to test. This handle
|
|
must support a protocol interface that supplies
|
|
an I/O abstraction to the driver.
|
|
@param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
|
|
parameter is ignored by device drivers, and is optional for bus
|
|
drivers. For bus drivers, if this parameter is not NULL, then
|
|
the bus driver must determine if the bus controller specified
|
|
by ControllerHandle and the child controller specified
|
|
by RemainingDevicePath are both supported by this
|
|
bus driver.
|
|
|
|
@retval EFI_SUCCESS The device specified by ControllerHandle and
|
|
RemainingDevicePath is supported by the driver specified by This.
|
|
@retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
|
|
RemainingDevicePath is already being managed by the driver
|
|
specified by This.
|
|
@retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
|
|
RemainingDevicePath is already being managed by a different
|
|
driver or an application that requires exclusive access.
|
|
Currently not implemented.
|
|
@retval EFI_UNSUPPORTED The device specified by ControllerHandle and
|
|
RemainingDevicePath is not supported by the driver specified by This.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
HttpBootIp6DxeDriverBindingSupported (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE ControllerHandle,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
//
|
|
// Try to open the DHCP6, HTTP and Device Path protocol.
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiDhcp6ServiceBindingProtocolGuid,
|
|
NULL,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiHttpServiceBindingProtocolGuid,
|
|
NULL,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiDevicePathProtocolGuid,
|
|
NULL,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
|
|
);
|
|
|
|
return Status;
|
|
|
|
}
|
|
|
|
/**
|
|
Starts a device controller or a bus controller.
|
|
|
|
The Start() function is designed to be invoked from the EFI boot service ConnectController().
|
|
As a result, much of the error checking on the parameters to Start() has been moved into this
|
|
common boot service. It is legal to call Start() from other locations,
|
|
but the following calling restrictions must be followed, or the system behavior will not be deterministic.
|
|
1. ControllerHandle must be a valid EFI_HANDLE.
|
|
2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned
|
|
EFI_DEVICE_PATH_PROTOCOL.
|
|
3. Prior to calling Start(), the Supported() function for the driver specified by This must
|
|
have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.
|
|
|
|
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
|
|
@param[in] ControllerHandle The handle of the controller to start. This handle
|
|
must support a protocol interface that supplies
|
|
an I/O abstraction to the driver.
|
|
@param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
|
|
parameter is ignored by device drivers, and is optional for bus
|
|
drivers. For a bus driver, if this parameter is NULL, then handles
|
|
for all the children of Controller are created by this driver.
|
|
If this parameter is not NULL and the first Device Path Node is
|
|
not the End of Device Path Node, then only the handle for the
|
|
child device specified by the first Device Path Node of
|
|
RemainingDevicePath is created by this driver.
|
|
If the first Device Path Node of RemainingDevicePath is
|
|
the End of Device Path Node, no child handle is created by this
|
|
driver.
|
|
|
|
@retval EFI_SUCCESS The device was started.
|
|
@retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.
|
|
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
|
|
@retval Others The driver failded to start the device.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
HttpBootIp6DxeDriverBindingStart (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE ControllerHandle,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
HTTP_BOOT_PRIVATE_DATA *Private;
|
|
EFI_DEV_PATH *Node;
|
|
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
|
|
UINT32 *Id;
|
|
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiCallerIdGuid,
|
|
(VOID **) &Id,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
|
|
if (!EFI_ERROR (Status)) {
|
|
Private = HTTP_BOOT_PRIVATE_DATA_FROM_ID(Id);
|
|
} else {
|
|
//
|
|
// Initialize the private data structure.
|
|
//
|
|
Private = AllocateZeroPool (sizeof (HTTP_BOOT_PRIVATE_DATA));
|
|
if (Private == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
Private->Signature = HTTP_BOOT_PRIVATE_DATA_SIGNATURE;
|
|
Private->Controller = ControllerHandle;
|
|
Private->Image = This->ImageHandle;
|
|
InitializeListHead (&Private->CacheList);
|
|
//
|
|
// Get the NII interface if it exists, it's not required.
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
|
|
(VOID **) &Private->Nii,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
Private->Nii = NULL;
|
|
}
|
|
|
|
//
|
|
// Open Device Path Protocol to prepare for appending IP and URI node.
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiDevicePathProtocolGuid,
|
|
(VOID **) &Private->ParentDevicePath,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// Initialize the HII configuration form.
|
|
//
|
|
Status = HttpBootConfigFormInit (Private);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// Install a protocol with Caller Id Guid to the NIC, this is just to build the relationship between
|
|
// NIC handle and the private data.
|
|
//
|
|
Status = gBS->InstallProtocolInterface (
|
|
&ControllerHandle,
|
|
&gEfiCallerIdGuid,
|
|
EFI_NATIVE_INTERFACE,
|
|
&Private->Id
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
}
|
|
|
|
if (Private->Ip6Nic != NULL) {
|
|
//
|
|
// Already created before
|
|
//
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
Private->Ip6Nic = AllocateZeroPool (sizeof (HTTP_BOOT_VIRTUAL_NIC));
|
|
if (Private->Ip6Nic == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
Private->Ip6Nic->Private = Private;
|
|
Private->Ip6Nic->Signature = HTTP_BOOT_VIRTUAL_NIC_SIGNATURE;
|
|
|
|
//
|
|
// Create Dhcp6 child and open Dhcp6 protocol
|
|
Status = NetLibCreateServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiDhcp6ServiceBindingProtocolGuid,
|
|
&Private->Dhcp6Child
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
Status = gBS->OpenProtocol (
|
|
Private->Dhcp6Child,
|
|
&gEfiDhcp6ProtocolGuid,
|
|
(VOID **) &Private->Dhcp6,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_BY_DRIVER
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// Create Ip6 child and open Ip6 protocol for background ICMP packets.
|
|
//
|
|
Status = NetLibCreateServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiIp6ServiceBindingProtocolGuid,
|
|
&Private->Ip6Child
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
Status = gBS->OpenProtocol (
|
|
Private->Ip6Child,
|
|
&gEfiIp6ProtocolGuid,
|
|
(VOID **) &Private->Ip6,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_BY_DRIVER
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// Locate Ip6Config protocol, it's required to configure the default gateway address.
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiIp6ConfigProtocolGuid,
|
|
(VOID **) &Private->Ip6Config,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// Append IPv6 device path node.
|
|
//
|
|
Node = AllocateZeroPool (sizeof (IPv6_DEVICE_PATH));
|
|
if (Node == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
goto ON_ERROR;
|
|
}
|
|
Node->Ipv6.Header.Type = MESSAGING_DEVICE_PATH;
|
|
Node->Ipv6.Header.SubType = MSG_IPv6_DP;
|
|
Node->Ipv6.PrefixLength = IP6_PREFIX_LENGTH;
|
|
SetDevicePathNodeLength (Node, sizeof (IPv6_DEVICE_PATH));
|
|
DevicePath = AppendDevicePathNode(Private->ParentDevicePath, (EFI_DEVICE_PATH*) Node);
|
|
FreePool(Node);
|
|
if (DevicePath == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// Append URI device path node.
|
|
//
|
|
Node = AllocateZeroPool (sizeof (EFI_DEVICE_PATH_PROTOCOL));
|
|
if (Node == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
goto ON_ERROR;
|
|
}
|
|
Node->DevPath.Type = MESSAGING_DEVICE_PATH;
|
|
Node->DevPath.SubType = MSG_URI_DP;
|
|
SetDevicePathNodeLength (Node, sizeof (EFI_DEVICE_PATH_PROTOCOL));
|
|
Private->Ip6Nic->DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL*) Node);
|
|
FreePool (Node);
|
|
FreePool (DevicePath);
|
|
if (Private->Ip6Nic->DevicePath == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// Create a child handle for the HTTP boot and install DevPath and Load file protocol on it.
|
|
//
|
|
CopyMem (&Private->Ip6Nic->LoadFile, &gHttpBootDxeLoadFile, sizeof (Private->LoadFile));
|
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
|
&Private->Ip6Nic->Controller,
|
|
&gEfiLoadFileProtocolGuid,
|
|
&Private->Ip6Nic->LoadFile,
|
|
&gEfiDevicePathProtocolGuid,
|
|
Private->Ip6Nic->DevicePath,
|
|
NULL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// Open the Caller Id child to setup a parent-child relationship between
|
|
// real NIC handle and the HTTP boot child handle.
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiCallerIdGuid,
|
|
(VOID **) &Id,
|
|
This->DriverBindingHandle,
|
|
Private->Ip6Nic->Controller,
|
|
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
|
|
ON_ERROR:
|
|
|
|
HttpBootDestroyIp6Children(This, Private);
|
|
HttpBootConfigFormUnload (Private);
|
|
FreePool (Private);
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Stops a device controller or a bus controller.
|
|
|
|
The Stop() function is designed to be invoked from the EFI boot service DisconnectController().
|
|
As a result, much of the error checking on the parameters to Stop() has been moved
|
|
into this common boot service. It is legal to call Stop() from other locations,
|
|
but the following calling restrictions must be followed, or the system behavior will not be deterministic.
|
|
1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this
|
|
same driver's Start() function.
|
|
2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid
|
|
EFI_HANDLE. In addition, all of these handles must have been created in this driver's
|
|
Start() function, and the Start() function must have called OpenProtocol() on
|
|
ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
|
|
|
|
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
|
|
@param[in] ControllerHandle A handle to the device being stopped. The handle must
|
|
support a bus specific I/O protocol for the driver
|
|
to use to stop the device.
|
|
@param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
|
|
@param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
|
|
if NumberOfChildren is 0.
|
|
|
|
@retval EFI_SUCCESS The device was stopped.
|
|
@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
HttpBootIp6DxeDriverBindingStop (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE ControllerHandle,
|
|
IN UINTN NumberOfChildren,
|
|
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_LOAD_FILE_PROTOCOL *LoadFile;
|
|
HTTP_BOOT_PRIVATE_DATA *Private;
|
|
EFI_HANDLE NicHandle;
|
|
UINT32 *Id;
|
|
|
|
//
|
|
// Try to get the Load File Protocol from the controller handle.
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiLoadFileProtocolGuid,
|
|
(VOID **) &LoadFile,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
//
|
|
// If failed, try to find the NIC handle for this controller.
|
|
//
|
|
NicHandle = HttpBootGetNicByIp6Children (ControllerHandle);
|
|
if (NicHandle == NULL) {
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
//
|
|
// Try to retrieve the private data by the Caller Id Guid.
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
NicHandle,
|
|
&gEfiCallerIdGuid,
|
|
(VOID **) &Id,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
Private = HTTP_BOOT_PRIVATE_DATA_FROM_ID (Id);
|
|
} else {
|
|
Private = HTTP_BOOT_PRIVATE_DATA_FROM_LOADFILE (LoadFile);
|
|
NicHandle = Private->Controller;
|
|
}
|
|
|
|
//
|
|
// Disable the HTTP boot function.
|
|
//
|
|
Status = HttpBootStop (Private);
|
|
if (Status != EFI_SUCCESS && Status != EFI_NOT_STARTED) {
|
|
return Status;
|
|
}
|
|
|
|
//
|
|
// Destory all child instance and uninstall protocol interface.
|
|
//
|
|
HttpBootDestroyIp6Children (This, Private);
|
|
|
|
if (Private->Ip4Nic == NULL && Private->Ip6Nic == NULL) {
|
|
//
|
|
// Release the cached data.
|
|
//
|
|
HttpBootFreeCacheList (Private);
|
|
|
|
//
|
|
// Unload the config form.
|
|
//
|
|
HttpBootConfigFormUnload (Private);
|
|
|
|
gBS->UninstallProtocolInterface (
|
|
NicHandle,
|
|
&gEfiCallerIdGuid,
|
|
&Private->Id
|
|
);
|
|
FreePool (Private);
|
|
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
/**
|
|
This is the declaration of an EFI image entry point. This entry point is
|
|
the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including
|
|
both device drivers and bus drivers.
|
|
|
|
@param[in] ImageHandle The firmware allocated handle for the UEFI image.
|
|
@param[in] SystemTable A pointer to the EFI System Table.
|
|
|
|
@retval EFI_SUCCESS The operation completed successfully.
|
|
@retval Others An unexpected error occurred.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
HttpBootDxeDriverEntryPoint (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
//
|
|
// Install UEFI Driver Model protocol(s).
|
|
//
|
|
Status = EfiLibInstallDriverBindingComponentName2 (
|
|
ImageHandle,
|
|
SystemTable,
|
|
&gHttpBootIp4DxeDriverBinding,
|
|
ImageHandle,
|
|
&gHttpBootDxeComponentName,
|
|
&gHttpBootDxeComponentName2
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
Status = EfiLibInstallDriverBindingComponentName2 (
|
|
ImageHandle,
|
|
SystemTable,
|
|
&gHttpBootIp6DxeDriverBinding,
|
|
NULL,
|
|
&gHttpBootDxeComponentName,
|
|
&gHttpBootDxeComponentName2
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
gBS->UninstallMultipleProtocolInterfaces(
|
|
ImageHandle,
|
|
&gEfiDriverBindingProtocolGuid,
|
|
&gHttpBootIp4DxeDriverBinding,
|
|
&gEfiComponentName2ProtocolGuid,
|
|
&gHttpBootDxeComponentName2,
|
|
&gEfiComponentNameProtocolGuid,
|
|
&gHttpBootDxeComponentName,
|
|
NULL
|
|
);
|
|
}
|
|
return Status;
|
|
}
|
|
|