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When a MAC address matching interface is found, a RestEx child will be created to provide the Redfish communication on that interface. Currently, It will try to locate all RestEx binding services and choose the first satisfied instance without taking care about current selected interface. This might raise an issue on the system with multiple network devices that the RestEx child was installed on wrong interface. Signed-off-by: Minh Nguyen <minhnguyen1@os.amperecomputing.com> Cc: Abner Chang <abner.chang@amd.com> Cc: Igor Kulchytskyy <igork@ami.com> Cc: Nick Ramirez <nramirez@nvidia.com> Reviewed-by: Abner Chang <Abner.Chang@amd.com>
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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