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IntelSiliconPkg: Add IntelVTdPmrPei.
This PEIM is to produce IOMMU_PPI, so that PEI device driver can have better DAM management. This PEIM will setup VTD PMR register to protect most DRAM. It allocates a big chunk DMA buffer in the entrypoint, and only use this buffer for DMA. Any other region is DMA protected. Cc: Star Zeng <star.zeng@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Jiewen Yao <jiewen.yao@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com>
This commit is contained in:
Jiewen Yao
parent
0b7df50021
commit
3f5ed3fa13
314
IntelSiliconPkg/IntelVTdPmrPei/IntelVTdPmr.c
Normal file
314
IntelSiliconPkg/IntelVTdPmrPei/IntelVTdPmr.c
Normal file
@ -0,0 +1,314 @@
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/** @file
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License which accompanies this distribution.
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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 <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/IoLib.h>
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#include <Library/DebugLib.h>
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#include <IndustryStandard/Vtd.h>
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#include <Ppi/VTdInfo.h>
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#include "IntelVTdPmrPei.h"
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extern EDKII_VTD_INFO_PPI *mVTdInfoPpi;
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/**
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Get protected low memory alignment.
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@param VtdUnitBaseAddress The base address of the VTd engine.
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@return protected low memory alignment.
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**/
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UINT32
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GetPlmrAlignment (
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IN UINTN VtdUnitBaseAddress
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)
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{
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UINT32 Data32;
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MmioWrite32 (VtdUnitBaseAddress + R_PMEN_LOW_BASE_REG, 0xFFFFFFFF);
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Data32 = MmioRead32 (VtdUnitBaseAddress + R_PMEN_LOW_BASE_REG);
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Data32 = ~Data32 + 1;
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return Data32;
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}
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/**
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Get protected high memory alignment.
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@param VtdUnitBaseAddress The base address of the VTd engine.
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@return protected high memory alignment.
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**/
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UINT64
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GetPhmrAlignment (
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IN UINTN VtdUnitBaseAddress
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)
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{
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UINT64 Data64;
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UINT8 HostAddressWidth;
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HostAddressWidth = mVTdInfoPpi->HostAddressWidth;
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MmioWrite64 (VtdUnitBaseAddress + R_PMEN_HIGH_BASE_REG, 0xFFFFFFFFFFFFFFFF);
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Data64 = MmioRead64 (VtdUnitBaseAddress + R_PMEN_HIGH_BASE_REG);
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Data64 = ~Data64 + 1;
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Data64 = Data64 & (LShiftU64 (1, HostAddressWidth) - 1);
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return Data64;
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}
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/**
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Get protected low memory alignment.
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@return protected low memory alignment.
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**/
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UINT32
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GetLowMemoryAlignment (
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VOID
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)
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{
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UINTN Index;
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UINT32 Alignment;
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UINT32 FinalAlignment;
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FinalAlignment = 0;
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for (Index = 0; Index < mVTdInfoPpi->VTdEngineCount; Index++) {
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Alignment = GetPlmrAlignment ((UINTN)mVTdInfoPpi->VTdEngineAddress[Index]);
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if (FinalAlignment < Alignment) {
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FinalAlignment = Alignment;
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}
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}
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return FinalAlignment;
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}
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/**
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Get protected high memory alignment.
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@return protected high memory alignment.
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**/
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UINT64
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GetHighMemoryAlignment (
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VOID
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)
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{
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UINTN Index;
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UINT64 Alignment;
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UINT64 FinalAlignment;
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FinalAlignment = 0;
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for (Index = 0; Index < mVTdInfoPpi->VTdEngineCount; Index++) {
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Alignment = GetPhmrAlignment ((UINTN)mVTdInfoPpi->VTdEngineAddress[Index]);
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if (FinalAlignment < Alignment) {
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FinalAlignment = Alignment;
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}
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}
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return FinalAlignment;
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}
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/**
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Enable PMR in the VTd engine.
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@param VtdUnitBaseAddress The base address of the VTd engine.
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@retval EFI_SUCCESS The PMR is enabled.
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@retval EFI_UNSUPPORTED The PMR is not supported.
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**/
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EFI_STATUS
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EnablePmr (
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IN UINTN VtdUnitBaseAddress
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)
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{
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UINT32 Reg32;
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VTD_CAP_REG CapReg;
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CapReg.Uint64 = MmioRead64 (VtdUnitBaseAddress + R_CAP_REG);
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if (CapReg.Bits.PLMR == 0 || CapReg.Bits.PHMR == 0) {
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return EFI_UNSUPPORTED;
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}
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Reg32 = MmioRead32 (VtdUnitBaseAddress + R_PMEN_ENABLE_REG);
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if ((Reg32 & BIT0) == 0) {
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MmioWrite32 (VtdUnitBaseAddress + R_PMEN_ENABLE_REG, BIT31);
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do {
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Reg32 = MmioRead32 (VtdUnitBaseAddress + R_PMEN_ENABLE_REG);
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} while((Reg32 & BIT0) == 0);
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}
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return EFI_SUCCESS;
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}
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/**
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Disable PMR in the VTd engine.
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@param VtdUnitBaseAddress The base address of the VTd engine.
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@retval EFI_SUCCESS The PMR is disabled.
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@retval EFI_UNSUPPORTED The PMR is not supported.
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**/
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EFI_STATUS
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DisablePmr (
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IN UINTN VtdUnitBaseAddress
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)
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{
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UINT32 Reg32;
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VTD_CAP_REG CapReg;
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CapReg.Uint64 = MmioRead64 (VtdUnitBaseAddress + R_CAP_REG);
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if (CapReg.Bits.PLMR == 0 || CapReg.Bits.PHMR == 0) {
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return EFI_UNSUPPORTED;
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}
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Reg32 = MmioRead32 (VtdUnitBaseAddress + R_PMEN_ENABLE_REG);
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if ((Reg32 & BIT0) != 0) {
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MmioWrite32 (VtdUnitBaseAddress + R_PMEN_ENABLE_REG, 0x0);
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do {
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Reg32 = MmioRead32 (VtdUnitBaseAddress + R_PMEN_ENABLE_REG);
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} while((Reg32 & BIT0) != 0);
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}
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return EFI_SUCCESS;
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}
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/**
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Set PMR region in the VTd engine.
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@param VtdUnitBaseAddress The base address of the VTd engine.
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@param LowMemoryBase The protected low memory region base.
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@param LowMemoryLength The protected low memory region length.
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@param HighMemoryBase The protected high memory region base.
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@param HighMemoryLength The protected high memory region length.
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@retval EFI_SUCCESS The PMR is set to protected region.
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@retval EFI_UNSUPPORTED The PMR is not supported.
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**/
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EFI_STATUS
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SetPmrRegion (
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IN UINTN VtdUnitBaseAddress,
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IN UINT32 LowMemoryBase,
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IN UINT32 LowMemoryLength,
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IN UINT64 HighMemoryBase,
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IN UINT64 HighMemoryLength
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)
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{
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VTD_CAP_REG CapReg;
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UINT32 PlmrAlignment;
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UINT64 PhmrAlignment;
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DEBUG ((DEBUG_INFO, "VtdUnitBaseAddress - 0x%x\n", VtdUnitBaseAddress));
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CapReg.Uint64 = MmioRead64 (VtdUnitBaseAddress + R_CAP_REG);
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if (CapReg.Bits.PLMR == 0 || CapReg.Bits.PHMR == 0) {
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DEBUG ((DEBUG_ERROR, "PLMR/PHMR unsupported\n"));
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return EFI_UNSUPPORTED;
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}
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PlmrAlignment = GetPlmrAlignment (VtdUnitBaseAddress);
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DEBUG ((DEBUG_INFO, "PlmrAlignment - 0x%x\n", PlmrAlignment));
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PhmrAlignment = GetPhmrAlignment (VtdUnitBaseAddress);
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DEBUG ((DEBUG_INFO, "PhmrAlignment - 0x%lx\n", PhmrAlignment));
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if ((LowMemoryBase != ALIGN_VALUE(LowMemoryBase, PlmrAlignment)) ||
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(LowMemoryLength != ALIGN_VALUE(LowMemoryLength, PlmrAlignment)) ||
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(HighMemoryBase != ALIGN_VALUE(HighMemoryBase, PhmrAlignment)) ||
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(HighMemoryLength != ALIGN_VALUE(HighMemoryLength, PhmrAlignment))) {
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DEBUG ((DEBUG_ERROR, "PLMR/PHMR alignment issue\n"));
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return EFI_UNSUPPORTED;
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}
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if (LowMemoryBase == 0 && LowMemoryLength == 0) {
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LowMemoryBase = 0xFFFFFFFF;
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}
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if (HighMemoryBase == 0 && HighMemoryLength == 0) {
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HighMemoryBase = 0xFFFFFFFFFFFFFFFF;
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}
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MmioWrite32 (VtdUnitBaseAddress + R_PMEN_LOW_BASE_REG, LowMemoryBase);
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MmioWrite32 (VtdUnitBaseAddress + R_PMEN_LOW_LIMITE_REG, LowMemoryBase + LowMemoryLength - 1);
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MmioWrite64 (VtdUnitBaseAddress + R_PMEN_HIGH_BASE_REG, HighMemoryBase);
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MmioWrite64 (VtdUnitBaseAddress + R_PMEN_HIGH_LIMITE_REG, HighMemoryBase + HighMemoryLength - 1);
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return EFI_SUCCESS;
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}
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/**
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Set DMA protected region.
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@param LowMemoryBase The protected low memory region base.
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@param LowMemoryLength The protected low memory region length.
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@param HighMemoryBase The protected high memory region base.
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@param HighMemoryLength The protected high memory region length.
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@retval EFI_SUCCESS The DMA protection is set.
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@retval EFI_UNSUPPORTED The DMA protection is not set.
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**/
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EFI_STATUS
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SetDmaProtectedRange (
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IN UINT32 LowMemoryBase,
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IN UINT32 LowMemoryLength,
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IN UINT64 HighMemoryBase,
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IN UINT64 HighMemoryLength
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)
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{
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UINTN Index;
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EFI_STATUS Status;
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DEBUG ((DEBUG_INFO, "SetDmaProtectedRange - [0x%x, 0x%x] [0x%lx, 0x%lx]\n", LowMemoryBase, LowMemoryLength, HighMemoryBase, HighMemoryLength));
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for (Index = 0; Index < mVTdInfoPpi->VTdEngineCount; Index++) {
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DisablePmr ((UINTN)mVTdInfoPpi->VTdEngineAddress[Index]);
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Status = SetPmrRegion (
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(UINTN)mVTdInfoPpi->VTdEngineAddress[Index],
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LowMemoryBase,
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LowMemoryLength,
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HighMemoryBase,
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HighMemoryLength
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);
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if (EFI_ERROR(Status)) {
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return Status;
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}
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Status = EnablePmr ((UINTN)mVTdInfoPpi->VTdEngineAddress[Index]);
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if (EFI_ERROR(Status)) {
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return Status;
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}
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}
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return EFI_SUCCESS;
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}
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/**
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Diable DMA protection.
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@retval DMA protection is disabled.
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**/
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EFI_STATUS
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DisableDmaProtection (
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VOID
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)
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{
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UINTN Index;
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EFI_STATUS Status;
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DEBUG ((DEBUG_INFO, "DisableDmaProtection\n"));
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for (Index = 0; Index < mVTdInfoPpi->VTdEngineCount; Index++) {
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Status = DisablePmr ((UINTN)mVTdInfoPpi->VTdEngineAddress[Index]);
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if (EFI_ERROR(Status)) {
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return Status;
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}
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}
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return EFI_SUCCESS;
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}
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615
IntelSiliconPkg/IntelVTdPmrPei/IntelVTdPmrPei.c
Normal file
615
IntelSiliconPkg/IntelVTdPmrPei/IntelVTdPmrPei.c
Normal file
@ -0,0 +1,615 @@
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/** @file
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License which accompanies this distribution.
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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 <Uefi.h>
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#include <PiPei.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/IoLib.h>
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#include <Library/DebugLib.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/HobLib.h>
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#include <IndustryStandard/Vtd.h>
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#include <Ppi/IoMmu.h>
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#include <Ppi/VTdInfo.h>
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#include "IntelVTdPmrPei.h"
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#define TOTAL_DMA_BUFFER_SIZE SIZE_4MB
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EDKII_VTD_INFO_PPI *mVTdInfoPpi;
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UINTN mDmaBufferBase;
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UINTN mDmaBufferSize = TOTAL_DMA_BUFFER_SIZE;
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UINTN mDmaBufferCurrentTop;
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UINTN mDmaBufferCurrentBottom;
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#define MAP_INFO_SIGNATURE SIGNATURE_32 ('D', 'M', 'A', 'P')
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typedef struct {
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UINT32 Signature;
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EDKII_IOMMU_OPERATION Operation;
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UINTN NumberOfBytes;
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EFI_PHYSICAL_ADDRESS HostAddress;
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EFI_PHYSICAL_ADDRESS DeviceAddress;
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} MAP_INFO;
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/**
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PEI Memory Layout:
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+------------------+ <------- EfiMemoryTop
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| PEI allocated |
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=========== +==================+
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^ | Commom Buf |
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| | -------------- |
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DMA Buffer | * DMA FREE * |
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| | -------------- |
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V | Read/Write Buf |
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=========== +==================+
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| PEI allocated |
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| -------------- | <------- EfiFreeMemoryTop
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| * PEI FREE * |
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| -------------- | <------- EfiFreeMemoryBottom
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| hob |
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| -------------- |
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| Stack |
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+------------------+ <------- EfiMemoryBottom / Stack Bottom
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+------------------+
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| Mem Alloc Hob |
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+------------------+
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**/
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/**
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||||||
|
Set IOMMU attribute for a system memory.
|
||||||
|
|
||||||
|
If the IOMMU PPI exists, the system memory cannot be used
|
||||||
|
for DMA by default.
|
||||||
|
|
||||||
|
When a device requests a DMA access for a system memory,
|
||||||
|
the device driver need use SetAttribute() to update the IOMMU
|
||||||
|
attribute to request DMA access (read and/or write).
|
||||||
|
|
||||||
|
@param[in] This The PPI instance pointer.
|
||||||
|
@param[in] Mapping The mapping value returned from Map().
|
||||||
|
@param[in] IoMmuAccess The IOMMU access.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS The IoMmuAccess is set for the memory range specified by DeviceAddress and Length.
|
||||||
|
@retval EFI_INVALID_PARAMETER Mapping is not a value that was returned by Map().
|
||||||
|
@retval EFI_INVALID_PARAMETER IoMmuAccess specified an illegal combination of access.
|
||||||
|
@retval EFI_UNSUPPORTED The bit mask of IoMmuAccess is not supported by the IOMMU.
|
||||||
|
@retval EFI_UNSUPPORTED The IOMMU does not support the memory range specified by Mapping.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES There are not enough resources available to modify the IOMMU access.
|
||||||
|
@retval EFI_DEVICE_ERROR The IOMMU device reported an error while attempting the operation.
|
||||||
|
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
PeiIoMmuSetAttribute (
|
||||||
|
IN EDKII_IOMMU_PPI *This,
|
||||||
|
IN VOID *Mapping,
|
||||||
|
IN UINT64 IoMmuAccess
|
||||||
|
)
|
||||||
|
{
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Provides the controller-specific addresses required to access system memory from a
|
||||||
|
DMA bus master.
|
||||||
|
|
||||||
|
@param This The PPI instance pointer.
|
||||||
|
@param Operation Indicates if the bus master is going to read or write to system memory.
|
||||||
|
@param HostAddress The system memory address to map to the PCI controller.
|
||||||
|
@param NumberOfBytes On input the number of bytes to map. On output the number of bytes
|
||||||
|
that were mapped.
|
||||||
|
@param DeviceAddress The resulting map address for the bus master PCI controller to use to
|
||||||
|
access the hosts HostAddress.
|
||||||
|
@param Mapping A resulting value to pass to Unmap().
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
|
||||||
|
@retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer.
|
||||||
|
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
|
||||||
|
@retval EFI_DEVICE_ERROR The system hardware could not map the requested address.
|
||||||
|
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
PeiIoMmuMap (
|
||||||
|
IN EDKII_IOMMU_PPI *This,
|
||||||
|
IN EDKII_IOMMU_OPERATION Operation,
|
||||||
|
IN VOID *HostAddress,
|
||||||
|
IN OUT UINTN *NumberOfBytes,
|
||||||
|
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
|
||||||
|
OUT VOID **Mapping
|
||||||
|
)
|
||||||
|
{
|
||||||
|
MAP_INFO *MapInfo;
|
||||||
|
UINTN Length;
|
||||||
|
|
||||||
|
if (Operation == EdkiiIoMmuOperationBusMasterCommonBuffer ||
|
||||||
|
Operation == EdkiiIoMmuOperationBusMasterCommonBuffer64) {
|
||||||
|
*DeviceAddress = (UINTN)HostAddress;
|
||||||
|
*Mapping = 0;
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
DEBUG ((DEBUG_VERBOSE, "PeiIoMmuMap - HostAddress - 0x%x, NumberOfBytes - %x\n", HostAddress, *NumberOfBytes));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " mDmaBufferCurrentTop - %x\n", mDmaBufferCurrentTop));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " mDmaBufferCurrentBottom - %x\n", mDmaBufferCurrentBottom));
|
||||||
|
|
||||||
|
Length = *NumberOfBytes + sizeof(MAP_INFO);
|
||||||
|
if (Length > mDmaBufferCurrentTop - mDmaBufferCurrentBottom) {
|
||||||
|
DEBUG ((DEBUG_ERROR, "PeiIoMmuMap - OUT_OF_RESOURCE\n"));
|
||||||
|
ASSERT (FALSE);
|
||||||
|
return EFI_OUT_OF_RESOURCES;
|
||||||
|
}
|
||||||
|
|
||||||
|
*DeviceAddress = mDmaBufferCurrentBottom;
|
||||||
|
mDmaBufferCurrentBottom += Length;
|
||||||
|
|
||||||
|
MapInfo = (VOID *)(UINTN)(*DeviceAddress + *NumberOfBytes);
|
||||||
|
MapInfo->Signature = MAP_INFO_SIGNATURE;
|
||||||
|
MapInfo->Operation = Operation;
|
||||||
|
MapInfo->NumberOfBytes = *NumberOfBytes;
|
||||||
|
MapInfo->HostAddress = (UINTN)HostAddress;
|
||||||
|
MapInfo->DeviceAddress = *DeviceAddress;
|
||||||
|
*Mapping = MapInfo;
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " Op(%x):DeviceAddress - %x, Mapping - %x\n", Operation, (UINTN)*DeviceAddress, MapInfo));
|
||||||
|
|
||||||
|
//
|
||||||
|
// If this is a read operation from the Bus Master's point of view,
|
||||||
|
// then copy the contents of the real buffer into the mapped buffer
|
||||||
|
// so the Bus Master can read the contents of the real buffer.
|
||||||
|
//
|
||||||
|
if (Operation == EdkiiIoMmuOperationBusMasterRead ||
|
||||||
|
Operation == EdkiiIoMmuOperationBusMasterRead64) {
|
||||||
|
CopyMem (
|
||||||
|
(VOID *) (UINTN) MapInfo->DeviceAddress,
|
||||||
|
(VOID *) (UINTN) MapInfo->HostAddress,
|
||||||
|
MapInfo->NumberOfBytes
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Completes the Map() operation and releases any corresponding resources.
|
||||||
|
|
||||||
|
@param This The PPI instance pointer.
|
||||||
|
@param Mapping The mapping value returned from Map().
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS The range was unmapped.
|
||||||
|
@retval EFI_INVALID_PARAMETER Mapping is not a value that was returned by Map().
|
||||||
|
@retval EFI_DEVICE_ERROR The data was not committed to the target system memory.
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
PeiIoMmuUnmap (
|
||||||
|
IN EDKII_IOMMU_PPI *This,
|
||||||
|
IN VOID *Mapping
|
||||||
|
)
|
||||||
|
{
|
||||||
|
MAP_INFO *MapInfo;
|
||||||
|
UINTN Length;
|
||||||
|
|
||||||
|
if (Mapping == NULL) {
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
DEBUG ((DEBUG_VERBOSE, "PeiIoMmuUnmap - Mapping - %x\n", Mapping));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " mDmaBufferCurrentTop - %x\n", mDmaBufferCurrentTop));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " mDmaBufferCurrentBottom - %x\n", mDmaBufferCurrentBottom));
|
||||||
|
|
||||||
|
MapInfo = Mapping;
|
||||||
|
ASSERT (MapInfo->Signature == MAP_INFO_SIGNATURE);
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " Op(%x):DeviceAddress - %x, NumberOfBytes - %x\n", MapInfo->Operation, (UINTN)MapInfo->DeviceAddress, MapInfo->NumberOfBytes));
|
||||||
|
|
||||||
|
//
|
||||||
|
// If this is a write operation from the Bus Master's point of view,
|
||||||
|
// then copy the contents of the mapped buffer into the real buffer
|
||||||
|
// so the processor can read the contents of the real buffer.
|
||||||
|
//
|
||||||
|
if (MapInfo->Operation == EdkiiIoMmuOperationBusMasterWrite ||
|
||||||
|
MapInfo->Operation == EdkiiIoMmuOperationBusMasterWrite64) {
|
||||||
|
CopyMem (
|
||||||
|
(VOID *) (UINTN) MapInfo->HostAddress,
|
||||||
|
(VOID *) (UINTN) MapInfo->DeviceAddress,
|
||||||
|
MapInfo->NumberOfBytes
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
Length = MapInfo->NumberOfBytes + sizeof(MAP_INFO);
|
||||||
|
if (mDmaBufferCurrentBottom == MapInfo->DeviceAddress + Length) {
|
||||||
|
mDmaBufferCurrentBottom -= Length;
|
||||||
|
}
|
||||||
|
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Allocates pages that are suitable for an OperationBusMasterCommonBuffer or
|
||||||
|
OperationBusMasterCommonBuffer64 mapping.
|
||||||
|
|
||||||
|
@param This The PPI instance pointer.
|
||||||
|
@param MemoryType The type of memory to allocate, EfiBootServicesData or
|
||||||
|
EfiRuntimeServicesData.
|
||||||
|
@param Pages The number of pages to allocate.
|
||||||
|
@param HostAddress A pointer to store the base system memory address of the
|
||||||
|
allocated range.
|
||||||
|
@param Attributes The requested bit mask of attributes for the allocated range.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS The requested memory pages were allocated.
|
||||||
|
@retval EFI_UNSUPPORTED Attributes is unsupported. The only legal attribute bits are
|
||||||
|
MEMORY_WRITE_COMBINE and MEMORY_CACHED.
|
||||||
|
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.
|
||||||
|
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
PeiIoMmuAllocateBuffer (
|
||||||
|
IN EDKII_IOMMU_PPI *This,
|
||||||
|
IN EFI_MEMORY_TYPE MemoryType,
|
||||||
|
IN UINTN Pages,
|
||||||
|
IN OUT VOID **HostAddress,
|
||||||
|
IN UINT64 Attributes
|
||||||
|
)
|
||||||
|
{
|
||||||
|
UINTN Length;
|
||||||
|
|
||||||
|
DEBUG ((DEBUG_VERBOSE, "PeiIoMmuAllocateBuffer - page - %x\n", Pages));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " mDmaBufferCurrentTop - %x\n", mDmaBufferCurrentTop));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " mDmaBufferCurrentBottom - %x\n", mDmaBufferCurrentBottom));
|
||||||
|
|
||||||
|
Length = EFI_PAGES_TO_SIZE(Pages);
|
||||||
|
if (Length > mDmaBufferCurrentTop - mDmaBufferCurrentBottom) {
|
||||||
|
DEBUG ((DEBUG_ERROR, "PeiIoMmuAllocateBuffer - OUT_OF_RESOURCE\n"));
|
||||||
|
ASSERT (FALSE);
|
||||||
|
return EFI_OUT_OF_RESOURCES;
|
||||||
|
}
|
||||||
|
*HostAddress = (VOID *)(UINTN)(mDmaBufferCurrentTop - Length);
|
||||||
|
mDmaBufferCurrentTop -= Length;
|
||||||
|
|
||||||
|
DEBUG ((DEBUG_VERBOSE, "PeiIoMmuAllocateBuffer - allocate - %x\n", *HostAddress));
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Frees memory that was allocated with AllocateBuffer().
|
||||||
|
|
||||||
|
@param This The PPI instance pointer.
|
||||||
|
@param Pages The number of pages to free.
|
||||||
|
@param HostAddress The base system memory address of the allocated range.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS The requested memory pages were freed.
|
||||||
|
@retval EFI_INVALID_PARAMETER The memory range specified by HostAddress and Pages
|
||||||
|
was not allocated with AllocateBuffer().
|
||||||
|
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
PeiIoMmuFreeBuffer (
|
||||||
|
IN EDKII_IOMMU_PPI *This,
|
||||||
|
IN UINTN Pages,
|
||||||
|
IN VOID *HostAddress
|
||||||
|
)
|
||||||
|
{
|
||||||
|
UINTN Length;
|
||||||
|
|
||||||
|
DEBUG ((DEBUG_VERBOSE, "PeiIoMmuFreeBuffer - page - %x, HostAddr - %x\n", Pages, HostAddress));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " mDmaBufferCurrentTop - %x\n", mDmaBufferCurrentTop));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " mDmaBufferCurrentBottom - %x\n", mDmaBufferCurrentBottom));
|
||||||
|
|
||||||
|
Length = EFI_PAGES_TO_SIZE(Pages);
|
||||||
|
if ((UINTN)HostAddress == mDmaBufferCurrentTop) {
|
||||||
|
mDmaBufferCurrentTop += Length;
|
||||||
|
}
|
||||||
|
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
EDKII_IOMMU_PPI mIoMmuPpi = {
|
||||||
|
EDKII_IOMMU_PPI_REVISION,
|
||||||
|
PeiIoMmuSetAttribute,
|
||||||
|
PeiIoMmuMap,
|
||||||
|
PeiIoMmuUnmap,
|
||||||
|
PeiIoMmuAllocateBuffer,
|
||||||
|
PeiIoMmuFreeBuffer,
|
||||||
|
};
|
||||||
|
|
||||||
|
CONST EFI_PEI_PPI_DESCRIPTOR mIoMmuPpiList = {
|
||||||
|
EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
|
||||||
|
&gEdkiiIoMmuPpiGuid,
|
||||||
|
(VOID *) &mIoMmuPpi
|
||||||
|
};
|
||||||
|
|
||||||
|
#define MEMORY_ATTRIBUTE_MASK (EFI_RESOURCE_ATTRIBUTE_PRESENT | \
|
||||||
|
EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \
|
||||||
|
EFI_RESOURCE_ATTRIBUTE_TESTED | \
|
||||||
|
EFI_RESOURCE_ATTRIBUTE_16_BIT_IO | \
|
||||||
|
EFI_RESOURCE_ATTRIBUTE_32_BIT_IO | \
|
||||||
|
EFI_RESOURCE_ATTRIBUTE_64_BIT_IO \
|
||||||
|
)
|
||||||
|
|
||||||
|
#define TESTED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_TESTED)
|
||||||
|
|
||||||
|
#define INITIALIZED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED)
|
||||||
|
|
||||||
|
#define PRESENT_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT)
|
||||||
|
|
||||||
|
GLOBAL_REMOVE_IF_UNREFERENCED CHAR8 *mResourceTypeShortName[] = {
|
||||||
|
"Mem",
|
||||||
|
"MMIO",
|
||||||
|
"I/O",
|
||||||
|
"FD",
|
||||||
|
"MM Port I/O",
|
||||||
|
"Reserved Mem",
|
||||||
|
"Reserved I/O",
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
Return the short name of resource type.
|
||||||
|
|
||||||
|
@param Type resource type.
|
||||||
|
|
||||||
|
@return the short name of resource type.
|
||||||
|
**/
|
||||||
|
CHAR8 *
|
||||||
|
ShortNameOfResourceType (
|
||||||
|
IN UINT32 Type
|
||||||
|
)
|
||||||
|
{
|
||||||
|
if (Type < sizeof(mResourceTypeShortName) / sizeof(mResourceTypeShortName[0])) {
|
||||||
|
return mResourceTypeShortName[Type];
|
||||||
|
} else {
|
||||||
|
return "Unknown";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Dump resource hob.
|
||||||
|
|
||||||
|
@param HobList the HOB list.
|
||||||
|
**/
|
||||||
|
VOID
|
||||||
|
DumpResourceHob (
|
||||||
|
IN VOID *HobList
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_PEI_HOB_POINTERS Hob;
|
||||||
|
EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;
|
||||||
|
|
||||||
|
DEBUG ((DEBUG_VERBOSE, "Resource Descriptor HOBs\n"));
|
||||||
|
for (Hob.Raw = HobList; !END_OF_HOB_LIST (Hob); Hob.Raw = GET_NEXT_HOB (Hob)) {
|
||||||
|
if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
|
||||||
|
ResourceHob = Hob.ResourceDescriptor;
|
||||||
|
DEBUG ((DEBUG_VERBOSE,
|
||||||
|
" BA=%016lx L=%016lx Attr=%08x ",
|
||||||
|
ResourceHob->PhysicalStart,
|
||||||
|
ResourceHob->ResourceLength,
|
||||||
|
ResourceHob->ResourceAttribute
|
||||||
|
));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, ShortNameOfResourceType(ResourceHob->ResourceType)));
|
||||||
|
switch (ResourceHob->ResourceType) {
|
||||||
|
case EFI_RESOURCE_SYSTEM_MEMORY:
|
||||||
|
if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_PERSISTENT) != 0) {
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " (Persistent)"));
|
||||||
|
} else if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) != 0) {
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " (MoreReliable)"));
|
||||||
|
} else if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES) {
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " (Tested)"));
|
||||||
|
} else if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == INITIALIZED_MEMORY_ATTRIBUTES) {
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " (Init)"));
|
||||||
|
} else if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == PRESENT_MEMORY_ATTRIBUTES) {
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " (Present)"));
|
||||||
|
} else {
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " (Unknown)"));
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
DEBUG ((DEBUG_VERBOSE, "\n"));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Dump PHIT hob.
|
||||||
|
|
||||||
|
@param HobList the HOB list.
|
||||||
|
**/
|
||||||
|
VOID
|
||||||
|
DumpPhitHob (
|
||||||
|
IN VOID *HobList
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;
|
||||||
|
|
||||||
|
PhitHob = HobList;
|
||||||
|
ASSERT(GET_HOB_TYPE(HobList) == EFI_HOB_TYPE_HANDOFF);
|
||||||
|
DEBUG ((DEBUG_VERBOSE, "PHIT HOB\n"));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " PhitHob - 0x%x\n", PhitHob));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " BootMode - 0x%x\n", PhitHob->BootMode));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " EfiMemoryTop - 0x%016lx\n", PhitHob->EfiMemoryTop));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " EfiMemoryBottom - 0x%016lx\n", PhitHob->EfiMemoryBottom));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " EfiFreeMemoryTop - 0x%016lx\n", PhitHob->EfiFreeMemoryTop));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " EfiFreeMemoryBottom - 0x%016lx\n", PhitHob->EfiFreeMemoryBottom));
|
||||||
|
DEBUG ((DEBUG_VERBOSE, " EfiEndOfHobList - 0x%lx\n", PhitHob->EfiEndOfHobList));
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Get the highest memory.
|
||||||
|
|
||||||
|
@param HobList the HOB list.
|
||||||
|
|
||||||
|
@return the highest memory.
|
||||||
|
**/
|
||||||
|
UINT64
|
||||||
|
GetTopMemory (
|
||||||
|
IN VOID *HobList
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_PEI_HOB_POINTERS Hob;
|
||||||
|
EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;
|
||||||
|
UINT64 TopMemory;
|
||||||
|
UINT64 ResourceTop;
|
||||||
|
|
||||||
|
TopMemory = 0;
|
||||||
|
for (Hob.Raw = HobList; !END_OF_HOB_LIST (Hob); Hob.Raw = GET_NEXT_HOB (Hob)) {
|
||||||
|
if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
|
||||||
|
ResourceHob = Hob.ResourceDescriptor;
|
||||||
|
switch (ResourceHob->ResourceType) {
|
||||||
|
case EFI_RESOURCE_SYSTEM_MEMORY:
|
||||||
|
ResourceTop = ResourceHob->PhysicalStart + ResourceHob->ResourceLength;
|
||||||
|
if (TopMemory < ResourceTop) {
|
||||||
|
TopMemory = ResourceTop;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
DEBUG ((DEBUG_VERBOSE, "\n"));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return TopMemory;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Initialize DMA protection.
|
||||||
|
|
||||||
|
@param DmaBufferSize the DMA buffer size
|
||||||
|
@param DmaBufferBase the DMA buffer base
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS the DMA protection is initialized.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES no enough resource to initialize DMA protection.
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
InitDmaProtection (
|
||||||
|
IN UINTN DmaBufferSize,
|
||||||
|
OUT UINTN *DmaBufferBase
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_STATUS Status;
|
||||||
|
VOID *HobList;
|
||||||
|
EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;
|
||||||
|
UINT32 LowMemoryAlignment;
|
||||||
|
UINT64 HighMemoryAlignment;
|
||||||
|
UINTN MemoryAlignment;
|
||||||
|
UINTN LowBottom;
|
||||||
|
UINTN LowTop;
|
||||||
|
UINTN HighBottom;
|
||||||
|
UINT64 HighTop;
|
||||||
|
|
||||||
|
HobList = GetHobList ();
|
||||||
|
DumpPhitHob (HobList);
|
||||||
|
DumpResourceHob (HobList);
|
||||||
|
|
||||||
|
PhitHob = HobList;
|
||||||
|
|
||||||
|
ASSERT (PhitHob->EfiMemoryBottom < PhitHob->EfiMemoryTop);
|
||||||
|
|
||||||
|
LowMemoryAlignment = GetLowMemoryAlignment ();
|
||||||
|
HighMemoryAlignment = GetHighMemoryAlignment ();
|
||||||
|
if (LowMemoryAlignment < HighMemoryAlignment) {
|
||||||
|
MemoryAlignment = (UINTN)HighMemoryAlignment;
|
||||||
|
} else {
|
||||||
|
MemoryAlignment = LowMemoryAlignment;
|
||||||
|
}
|
||||||
|
ASSERT (DmaBufferSize == ALIGN_VALUE(DmaBufferSize, MemoryAlignment));
|
||||||
|
*DmaBufferBase = (UINTN)AllocateAlignedPages (EFI_SIZE_TO_PAGES(DmaBufferSize), MemoryAlignment);
|
||||||
|
if (*DmaBufferBase == 0) {
|
||||||
|
DEBUG ((DEBUG_INFO, " InitDmaProtection : OutOfResource\n"));
|
||||||
|
return EFI_OUT_OF_RESOURCES;
|
||||||
|
}
|
||||||
|
|
||||||
|
LowBottom = 0;
|
||||||
|
LowTop = *DmaBufferBase;
|
||||||
|
HighBottom = *DmaBufferBase + DmaBufferSize;
|
||||||
|
HighTop = GetTopMemory (HobList);
|
||||||
|
|
||||||
|
Status = SetDmaProtectedRange (
|
||||||
|
(UINT32)LowBottom,
|
||||||
|
(UINT32)(LowTop - LowBottom),
|
||||||
|
HighBottom,
|
||||||
|
HighTop - HighBottom
|
||||||
|
);
|
||||||
|
|
||||||
|
if (EFI_ERROR(Status)) {
|
||||||
|
FreePages ((VOID *)*DmaBufferBase, EFI_SIZE_TO_PAGES(DmaBufferSize));
|
||||||
|
}
|
||||||
|
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Initializes the Intel VTd PMR PEIM.
|
||||||
|
|
||||||
|
@param FileHandle Handle of the file being invoked.
|
||||||
|
@param PeiServices Describes the list of possible PEI Services.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS Usb bot driver is successfully initialized.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES Can't initialize the driver.
|
||||||
|
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
IntelVTdPmrInitialize (
|
||||||
|
IN EFI_PEI_FILE_HANDLE FileHandle,
|
||||||
|
IN CONST EFI_PEI_SERVICES **PeiServices
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_STATUS Status;
|
||||||
|
|
||||||
|
if ((PcdGet8(PcdVTdPolicyPropertyMask) & BIT0) == 0) {
|
||||||
|
return EFI_UNSUPPORTED;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = PeiServicesLocatePpi (
|
||||||
|
&gEdkiiVTdInfoPpiGuid,
|
||||||
|
0,
|
||||||
|
NULL,
|
||||||
|
(VOID **)&mVTdInfoPpi
|
||||||
|
);
|
||||||
|
ASSERT_EFI_ERROR(Status);
|
||||||
|
|
||||||
|
//
|
||||||
|
// Find a pre-memory in resource hob as DMA buffer
|
||||||
|
// Mark PEI memory to be DMA protected.
|
||||||
|
//
|
||||||
|
Status = InitDmaProtection (mDmaBufferSize, &mDmaBufferBase);
|
||||||
|
if (EFI_ERROR(Status)) {
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
DEBUG ((DEBUG_INFO, " DmaBufferBase : 0x%x\n", mDmaBufferBase));
|
||||||
|
DEBUG ((DEBUG_INFO, " DmaBufferSize : 0x%x\n", mDmaBufferSize));
|
||||||
|
|
||||||
|
mDmaBufferCurrentTop = mDmaBufferBase + mDmaBufferSize;
|
||||||
|
mDmaBufferCurrentBottom = mDmaBufferBase;
|
||||||
|
|
||||||
|
//
|
||||||
|
// Install PPI.
|
||||||
|
//
|
||||||
|
Status = PeiServicesInstallPpi (&mIoMmuPpiList);
|
||||||
|
ASSERT_EFI_ERROR(Status);
|
||||||
|
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
68
IntelSiliconPkg/IntelVTdPmrPei/IntelVTdPmrPei.h
Normal file
68
IntelSiliconPkg/IntelVTdPmrPei/IntelVTdPmrPei.h
Normal file
@ -0,0 +1,68 @@
|
|||||||
|
/** @file
|
||||||
|
The definition for DMA access Library.
|
||||||
|
|
||||||
|
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
|
||||||
|
This program and the accompanying materials
|
||||||
|
are licensed and made available under the terms and conditions of the BSD License
|
||||||
|
which accompanies this distribution. The full text of the license may be found at
|
||||||
|
http://opensource.org/licenses/bsd-license.php.
|
||||||
|
|
||||||
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
**/
|
||||||
|
|
||||||
|
#ifndef __DMA_ACCESS_LIB_H__
|
||||||
|
#define __DMA_ACCESS_LIB_H__
|
||||||
|
|
||||||
|
/**
|
||||||
|
Set DMA protected region.
|
||||||
|
|
||||||
|
@param LowMemoryBase The protected low memory region base.
|
||||||
|
@param LowMemoryLength The protected low memory region length.
|
||||||
|
@param HighMemoryBase The protected high memory region base.
|
||||||
|
@param HighMemoryLength The protected high memory region length.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS The DMA protection is set.
|
||||||
|
@retval EFI_UNSUPPORTED The DMA protection is not set.
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
SetDmaProtectedRange (
|
||||||
|
IN UINT32 LowMemoryBase,
|
||||||
|
IN UINT32 LowMemoryLength,
|
||||||
|
IN UINT64 HighMemoryBase,
|
||||||
|
IN UINT64 HighMemoryLength
|
||||||
|
);
|
||||||
|
|
||||||
|
/**
|
||||||
|
Diable DMA protection.
|
||||||
|
|
||||||
|
@retval DMA protection is disabled.
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
DisableDmaProtection (
|
||||||
|
VOID
|
||||||
|
);
|
||||||
|
|
||||||
|
/**
|
||||||
|
Get protected low memory alignment.
|
||||||
|
|
||||||
|
@return protected low memory alignment.
|
||||||
|
**/
|
||||||
|
UINT32
|
||||||
|
GetLowMemoryAlignment (
|
||||||
|
VOID
|
||||||
|
);
|
||||||
|
|
||||||
|
/**
|
||||||
|
Get protected high memory alignment.
|
||||||
|
|
||||||
|
@return protected high memory alignment.
|
||||||
|
**/
|
||||||
|
UINT64
|
||||||
|
GetHighMemoryAlignment (
|
||||||
|
VOID
|
||||||
|
);
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
||||||
59
IntelSiliconPkg/IntelVTdPmrPei/IntelVTdPmrPei.inf
Normal file
59
IntelSiliconPkg/IntelVTdPmrPei/IntelVTdPmrPei.inf
Normal file
@ -0,0 +1,59 @@
|
|||||||
|
## @file
|
||||||
|
# Component INF file for the Intel VTd PMR PEIM.
|
||||||
|
#
|
||||||
|
# This driver initializes VTd engine based upon EDKII_VTD_INFO_PPI
|
||||||
|
# and provide DMA protection in PEI.
|
||||||
|
#
|
||||||
|
# Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
|
||||||
|
# This program and the accompanying materials
|
||||||
|
# are licensed and made available under the terms and conditions of the BSD License
|
||||||
|
# which accompanies this distribution. The full text of the license may be found at
|
||||||
|
# http://opensource.org/licenses/bsd-license.php
|
||||||
|
#
|
||||||
|
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
|
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
#
|
||||||
|
##
|
||||||
|
|
||||||
|
[Defines]
|
||||||
|
INF_VERSION = 0x00010017
|
||||||
|
BASE_NAME = IntelVTdPmrPei
|
||||||
|
MODULE_UNI_FILE = IntelVTdPmrPei.uni
|
||||||
|
FILE_GUID = F906769F-4AED-4A0D-8C7C-FF21B9D1051A
|
||||||
|
MODULE_TYPE = PEIM
|
||||||
|
VERSION_STRING = 1.0
|
||||||
|
ENTRY_POINT = IntelVTdPmrInitialize
|
||||||
|
|
||||||
|
[Packages]
|
||||||
|
MdePkg/MdePkg.dec
|
||||||
|
MdeModulePkg/MdeModulePkg.dec
|
||||||
|
IntelSiliconPkg/IntelSiliconPkg.dec
|
||||||
|
|
||||||
|
[Sources]
|
||||||
|
IntelVTdPmrPei.c
|
||||||
|
IntelVTdPmrPei.h
|
||||||
|
IntelVTdPmr.c
|
||||||
|
|
||||||
|
[LibraryClasses]
|
||||||
|
DebugLib
|
||||||
|
BaseMemoryLib
|
||||||
|
BaseLib
|
||||||
|
PeimEntryPoint
|
||||||
|
PeiServicesLib
|
||||||
|
HobLib
|
||||||
|
IoLib
|
||||||
|
|
||||||
|
[Ppis]
|
||||||
|
gEdkiiIoMmuPpiGuid ## PRODUCES
|
||||||
|
gEdkiiVTdInfoPpiGuid ## CONSUMES
|
||||||
|
|
||||||
|
[Pcd]
|
||||||
|
gIntelSiliconPkgTokenSpaceGuid.PcdVTdPolicyPropertyMask ## CONSUMES
|
||||||
|
|
||||||
|
[Depex]
|
||||||
|
gEfiPeiMemoryDiscoveredPpiGuid AND
|
||||||
|
gEdkiiVTdInfoPpiGuid
|
||||||
|
|
||||||
|
[UserExtensions.TianoCore."ExtraFiles"]
|
||||||
|
IntelVTdPmrPeiExtra.uni
|
||||||
|
|
||||||
20
IntelSiliconPkg/IntelVTdPmrPei/IntelVTdPmrPei.uni
Normal file
20
IntelSiliconPkg/IntelVTdPmrPei/IntelVTdPmrPei.uni
Normal file
@ -0,0 +1,20 @@
|
|||||||
|
// /** @file
|
||||||
|
// IntelVTdPmrPei Module Localized Abstract and Description Content
|
||||||
|
//
|
||||||
|
// Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
|
||||||
|
//
|
||||||
|
// This program and the accompanying materials are
|
||||||
|
// licensed and made available under the terms and conditions of the BSD License
|
||||||
|
// which accompanies this distribution. The full text of the license may be found at
|
||||||
|
// http://opensource.org/licenses/bsd-license.php
|
||||||
|
//
|
||||||
|
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
|
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
//
|
||||||
|
// **/
|
||||||
|
|
||||||
|
|
||||||
|
#string STR_MODULE_ABSTRACT #language en-US "Intel VTd PMR PEI Driver."
|
||||||
|
|
||||||
|
#string STR_MODULE_DESCRIPTION #language en-US "This driver initializes VTd engine based upon EDKII_VTD_INFO_PPI and provide DMA protection to device in PEI."
|
||||||
|
|
||||||
20
IntelSiliconPkg/IntelVTdPmrPei/IntelVTdPmrPeiExtra.uni
Normal file
20
IntelSiliconPkg/IntelVTdPmrPei/IntelVTdPmrPeiExtra.uni
Normal file
@ -0,0 +1,20 @@
|
|||||||
|
// /** @file
|
||||||
|
// IntelVTdPmrPei Localized Strings and Content
|
||||||
|
//
|
||||||
|
// Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
|
||||||
|
//
|
||||||
|
// This program and the accompanying materials are
|
||||||
|
// licensed and made available under the terms and conditions of the BSD License
|
||||||
|
// which accompanies this distribution. The full text of the license may be found at
|
||||||
|
// http://opensource.org/licenses/bsd-license.php
|
||||||
|
//
|
||||||
|
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
|
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
//
|
||||||
|
// **/
|
||||||
|
|
||||||
|
#string STR_PROPERTIES_MODULE_NAME
|
||||||
|
#language en-US
|
||||||
|
"Intel VTd PMR PEI Driver"
|
||||||
|
|
||||||
|
|
||||||
Loading…
x
Reference in New Issue
Block a user