Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/** @file
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Platform VTd Info Sample PEI driver.
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. 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 <PiPei.h>
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#include <Ppi/VtdInfo.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/DebugLib.h>
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typedef struct {
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UINT64 Revision;
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UINT8 HostAddressWidth;
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UINT8 Reserved[3];
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UINT32 VTdEngineCount;
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UINT64 VTdEngineAddress[2];
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} MY_VTD_INFO_PPI;
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MY_VTD_INFO_PPI mPlatformVTdSample = {
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EDKII_VTD_INFO_PPI_REVISION,
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0x26,
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{0},
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2,
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{0xFED90000, 0xFED91000},
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};
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EFI_PEI_PPI_DESCRIPTOR mPlatformVTdInfoSampleDesc = {
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(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
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&gEdkiiVTdInfoPpiGuid,
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&mPlatformVTdSample
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};
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/**
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Platform VTd Info sample driver.
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@param[in] FileHandle Handle of the file being invoked.
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@param[in] PeiServices Describes the list of possible PEI Services.
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@retval EFI_SUCCESS if it completed successfully.
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**/
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EFI_STATUS
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EFIAPI
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PlatformVTdInfoSampleInitialize (
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IN EFI_PEI_FILE_HANDLE FileHandle,
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IN CONST EFI_PEI_SERVICES **PeiServices
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)
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{
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EFI_STATUS Status;
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Status = PeiServicesInstallPpi (&mPlatformVTdInfoSampleDesc);
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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