/** @file
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Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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//
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// Statements that include other files
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//
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#include "IioUdsDataDxe.h"
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#define STRING_WIDTH_40 40
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//
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// Instantiation of Driver's private data.
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//
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EFI_IIO_UDS_DRIVER_PRIVATE mIioUdsPrivateData;
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IIO_UDS *IioUdsData; // Pointer to UDS in Allocated Memory Pool
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/**
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Entry point for the driver.
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@param ImageHandle - Image Handle.
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@param SystemTable - EFI System Table.
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@retval EFI_SUCCESS - Function has completed successfully.
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**/
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EFI_STATUS
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EFIAPI
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IioUdsDataInit (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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EFI_HOB_GUID_TYPE *GuidHob;
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IIO_UDS *UdsHobPtr;
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EFI_GUID UniversalDataGuid = IIO_UNIVERSAL_DATA_GUID;
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//
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// Time to get the IIO_UDS HOB data stored in the PEI driver
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//
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GuidHob = GetFirstGuidHob (&UniversalDataGuid);
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ASSERT (GuidHob != NULL);
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if (GuidHob == NULL) {
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return EFI_NOT_FOUND;
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}
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UdsHobPtr = GET_GUID_HOB_DATA(GuidHob);
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//
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// Allocate Memory Pool for Universal Data Storage so that protocol can expose it
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//
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Status = gBS->AllocatePool ( EfiReservedMemoryType, sizeof (IIO_UDS), (VOID **) &IioUdsData );
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ASSERT_EFI_ERROR (Status);
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//
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// Initialize the Pool Memory with the data from the Hand-Off-Block
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//
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CopyMem(IioUdsData, UdsHobPtr, sizeof(IIO_UDS));
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//
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// Build the IIO_UDS driver instance for protocol publishing
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//
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ZeroMem (&mIioUdsPrivateData, sizeof (mIioUdsPrivateData));
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mIioUdsPrivateData.Signature = EFI_IIO_UDS_DRIVER_PRIVATE_SIGNATURE;
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mIioUdsPrivateData.IioUds.IioUdsPtr = IioUdsData;
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mIioUdsPrivateData.IioUds.EnableVc = NULL;
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//
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// Install the IioUds Protocol.
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//
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Status = gBS->InstallMultipleProtocolInterfaces (
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&mIioUdsPrivateData.Handle,
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&gEfiIioUdsProtocolGuid,
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&mIioUdsPrivateData.IioUds,
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NULL
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);
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ASSERT_EFI_ERROR (Status);
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return EFI_SUCCESS;
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}
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