/** @file
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PCH SPI Async SMI handler.
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Copyright (c) 2017, 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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#include "PchInitSmm.h"
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///
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/// Global variables
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///
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GLOBAL_REMOVE_IF_UNREFERENCED PCH_SMI_DISPATCH_PROTOCOL *mPchSmiDispatchProtocol;
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/**
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This hardware SMI handler will be run every time the flash write/earse happens.
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@param[in] DispatchHandle Not used
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**/
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VOID
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EFIAPI
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PchSpiAsyncCallback (
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IN EFI_HANDLE DispatchHandle
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)
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{
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//
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// Dummy SMI handler
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//
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}
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/**
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This fuction install SPI ASYNC SMI handler.
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@retval EFI_SUCCESS Initialization complete.
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**/
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EFI_STATUS
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EFIAPI
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InstallPchSpiAsyncSmiHandler (
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VOID
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)
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{
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EFI_STATUS Status;
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EFI_HANDLE Handle;
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DEBUG ((DEBUG_INFO, "InstallPchSpiAsyncSmiHandler()\n"));
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///
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/// Get the PCH SMM dispatch protocol
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///
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mPchSmiDispatchProtocol = NULL;
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Status = gSmst->SmmLocateProtocol (&gPchSmiDispatchProtocolGuid, NULL, (VOID **) &mPchSmiDispatchProtocol);
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ASSERT_EFI_ERROR (Status);
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///
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/// Register an SpiAsync callback function
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///
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Handle = NULL;
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Status = mPchSmiDispatchProtocol->SpiAsyncRegister (
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mPchSmiDispatchProtocol,
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PchSpiAsyncCallback,
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&Handle
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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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