mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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144 lines
4.1 KiB
C
144 lines
4.1 KiB
C
/** @file
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This library provides help functions for REST EX Protocol.
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(C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
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Copyright (c) 2023, Ampere Computing LLC. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Uefi.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/NetLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Protocol/Http.h>
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#include <Protocol/RestEx.h>
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#define REST_EX_CONFIG_DATA_LEN_UNKNOWN 0xff
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/**
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This function allows the caller to create child handle for specific
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REST server.
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@param[in] Controller The controller handle used of selected interface.
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@param[in] Image The image handle used to open service.
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@param[in] AccessMode Access mode of REST server.
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@param[in] ConfigType Underlying configuration to communicate with REST server.
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@param[in] ServiceType REST service type.
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@param[out] ChildInstanceHandle The handle to receive the create child.
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@retval EFI_SUCCESS Can't create the corresponding REST EX child instance.
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@retval EFI_INVALID_PARAMETERS Any of input parameters is improper.
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**/
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EFI_STATUS
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RestExLibCreateChild (
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IN EFI_HANDLE Controller,
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IN EFI_HANDLE Image,
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IN EFI_REST_EX_SERVICE_ACCESS_MODE AccessMode,
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IN EFI_REST_EX_CONFIG_TYPE ConfigType,
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IN EFI_REST_EX_SERVICE_TYPE ServiceType,
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OUT EFI_HANDLE *ChildInstanceHandle
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)
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{
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EFI_STATUS Status;
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EFI_HANDLE ChildHandle;
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EFI_REST_EX_PROTOCOL *RestEx;
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EFI_REST_EX_SERVICE_INFO *RestExServiceInfo;
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UINT8 LenOfConfig;
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if ((Image == NULL) ||
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(AccessMode >= EfiRestExServiceModeMax) ||
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(ConfigType >= EfiRestExConfigTypeMax) ||
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(ServiceType >= EfiRestExServiceTypeMax) ||
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(ChildInstanceHandle == NULL)
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)
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{
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return EFI_INVALID_PARAMETER;
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}
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*ChildInstanceHandle = NULL;
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ChildHandle = NULL;
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Status = NetLibCreateServiceChild (
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Controller,
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Image,
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&gEfiRestExServiceBindingProtocolGuid,
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&ChildHandle
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);
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if (EFI_ERROR (Status)) {
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DEBUG ((
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DEBUG_ERROR,
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"%a: Failed to create service child - %r \n",
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__func__,
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Status
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));
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return Status;
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}
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Status = gBS->OpenProtocol (
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ChildHandle,
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&gEfiRestExProtocolGuid,
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(VOID **)&RestEx,
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Image,
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NULL,
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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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// Get the information of REST service provided by this EFI REST EX driver
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//
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Status = RestEx->GetService (
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RestEx,
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&RestExServiceInfo
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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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// Check REST EX property.
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//
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switch (ConfigType) {
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case EfiRestExConfigHttp:
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LenOfConfig = sizeof (EFI_REST_EX_HTTP_CONFIG_DATA);
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break;
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case EfiRestExConfigUnspecific:
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LenOfConfig = REST_EX_CONFIG_DATA_LEN_UNKNOWN;
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break;
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default:
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goto ON_ERROR;
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}
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if ((RestExServiceInfo->EfiRestExServiceInfoV10.RestServiceAccessMode != AccessMode) ||
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(RestExServiceInfo->EfiRestExServiceInfoV10.RestServiceType != ServiceType) ||
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(RestExServiceInfo->EfiRestExServiceInfoV10.RestExConfigType != ConfigType) ||
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((LenOfConfig != REST_EX_CONFIG_DATA_LEN_UNKNOWN) && (RestExServiceInfo->EfiRestExServiceInfoV10.RestExConfigDataLength != LenOfConfig)))
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{
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goto ON_ERROR;
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}
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//
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// This is proper REST EX instance.
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//
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*ChildInstanceHandle = ChildHandle;
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return EFI_SUCCESS;
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ON_ERROR:;
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NetLibDestroyServiceChild (
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Controller,
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Image,
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&gEfiRestExServiceBindingProtocolGuid,
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ChildHandle
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);
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return EFI_NOT_FOUND;
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}
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