X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=IntelSiliconPkg%2FFeature%2FVTd%2FIntelVTdPmrPei%2FVtdReg.c;fp=IntelSiliconPkg%2FFeature%2FVTd%2FIntelVTdPmrPei%2FVtdReg.c;h=0000000000000000000000000000000000000000;hp=4774a2ae5b7c33cd59d2d833629c835c7b47f1f4;hb=77ff7d6aa2710d5e04b0bd14d8556957a3ed0602;hpb=370f16c5489609062d8ee0940f29f6c3393f1b68

diff --git a/IntelSiliconPkg/Feature/VTd/IntelVTdPmrPei/VtdReg.c b/IntelSiliconPkg/Feature/VTd/IntelVTdPmrPei/VtdReg.c
deleted file mode 100644
index 4774a2ae5b..0000000000
--- a/IntelSiliconPkg/Feature/VTd/IntelVTdPmrPei/VtdReg.c
+++ /dev/null
@@ -1,287 +0,0 @@
-/** @file
-
-  Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
-
-  SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include <PiPei.h>
-#include <Library/BaseLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/IoLib.h>
-#include <Library/DebugLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/CacheMaintenanceLib.h>
-#include <IndustryStandard/Vtd.h>
-#include <Ppi/VtdInfo.h>
-
-#include "IntelVTdPmrPei.h"
-
-/**
-  Flush VTD page table and context table memory.
-
-  This action is to make sure the IOMMU engine can get final data in memory.
-
-  @param[in]  Base              The base address of memory to be flushed.
-  @param[in]  Size              The size of memory in bytes to be flushed.
-**/
-VOID
-FlushPageTableMemory (
-  IN UINTN  Base,
-  IN UINTN  Size
-  )
-{
-  WriteBackDataCacheRange ((VOID *)Base, Size);
-}
-
-/**
-  Flush VTd engine write buffer.
-
-  @param VtdUnitBaseAddress The base address of the VTd engine.
-**/
-VOID
-FlushWriteBuffer (
-  IN UINTN  VtdUnitBaseAddress
-  )
-{
-  UINT32      Reg32;
-  VTD_CAP_REG CapReg;
-
-  CapReg.Uint64 = MmioRead64 (VtdUnitBaseAddress + R_CAP_REG);
-
-  if (CapReg.Bits.RWBF != 0) {
-    Reg32 = MmioRead32 (VtdUnitBaseAddress + R_GSTS_REG);
-    MmioWrite32 (VtdUnitBaseAddress + R_GCMD_REG, Reg32 | B_GMCD_REG_WBF);
-    do {
-      Reg32 = MmioRead32 (VtdUnitBaseAddress + R_GSTS_REG);
-    } while ((Reg32 & B_GSTS_REG_WBF) != 0);
-  }
-}
-
-/**
-  Invalidate VTd context cache.
-
-  @param VtdUnitBaseAddress The base address of the VTd engine.
-**/
-EFI_STATUS
-InvalidateContextCache (
-  IN UINTN  VtdUnitBaseAddress
-  )
-{
-  UINT64  Reg64;
-
-  Reg64 = MmioRead64 (VtdUnitBaseAddress + R_CCMD_REG);
-  if ((Reg64 & B_CCMD_REG_ICC) != 0) {
-    DEBUG ((DEBUG_ERROR,"ERROR: InvalidateContextCache: B_CCMD_REG_ICC is set for VTD(%x)\n",VtdUnitBaseAddress));
-    return EFI_DEVICE_ERROR;
-  }
-
-  Reg64 &= ((~B_CCMD_REG_ICC) & (~B_CCMD_REG_CIRG_MASK));
-  Reg64 |= (B_CCMD_REG_ICC | V_CCMD_REG_CIRG_GLOBAL);
-  MmioWrite64 (VtdUnitBaseAddress + R_CCMD_REG, Reg64);
-
-  do {
-    Reg64 = MmioRead64 (VtdUnitBaseAddress + R_CCMD_REG);
-  } while ((Reg64 & B_CCMD_REG_ICC) != 0);
-
-  return EFI_SUCCESS;
-}
-
-/**
-  Invalidate VTd IOTLB.
-
-  @param VtdUnitBaseAddress The base address of the VTd engine.
-**/
-EFI_STATUS
-InvalidateIOTLB (
-  IN UINTN  VtdUnitBaseAddress
-  )
-{
-  UINT64       Reg64;
-  VTD_ECAP_REG ECapReg;
-
-  ECapReg.Uint64 = MmioRead64 (VtdUnitBaseAddress + R_ECAP_REG);
-
-  Reg64 = MmioRead64 (VtdUnitBaseAddress + (ECapReg.Bits.IRO * 16) + R_IOTLB_REG);
-  if ((Reg64 & B_IOTLB_REG_IVT) != 0) {
-    DEBUG ((DEBUG_ERROR,"ERROR: InvalidateIOTLB: B_IOTLB_REG_IVT is set for VTD(%x)\n", VtdUnitBaseAddress));
-    return EFI_DEVICE_ERROR;
-  }
-
-  Reg64 &= ((~B_IOTLB_REG_IVT) & (~B_IOTLB_REG_IIRG_MASK));
-  Reg64 |= (B_IOTLB_REG_IVT | V_IOTLB_REG_IIRG_GLOBAL);
-  MmioWrite64 (VtdUnitBaseAddress + (ECapReg.Bits.IRO * 16) + R_IOTLB_REG, Reg64);
-
-  do {
-    Reg64 = MmioRead64 (VtdUnitBaseAddress + (ECapReg.Bits.IRO * 16) + R_IOTLB_REG);
-  } while ((Reg64 & B_IOTLB_REG_IVT) != 0);
-
-  return EFI_SUCCESS;
-}
-
-/**
-  Enable DMAR translation.
-
-  @param VtdUnitBaseAddress The base address of the VTd engine.
-  @param RootEntryTable     The address of the VTd RootEntryTable.
-
-  @retval EFI_SUCCESS           DMAR translation is enabled.
-  @retval EFI_DEVICE_ERROR      DMAR translation is not enabled.
-**/
-EFI_STATUS
-EnableDmar (
-  IN UINTN  VtdUnitBaseAddress,
-  IN UINTN  RootEntryTable
-  )
-{
-  UINT32    Reg32;
-
-  DEBUG((DEBUG_INFO, ">>>>>>EnableDmar() for engine [%x] \n", VtdUnitBaseAddress));
-
-  DEBUG((DEBUG_INFO, "RootEntryTable 0x%x \n", RootEntryTable));
-  MmioWrite64 (VtdUnitBaseAddress + R_RTADDR_REG, (UINT64)(UINTN)RootEntryTable);
-
-  MmioWrite32 (VtdUnitBaseAddress + R_GCMD_REG, B_GMCD_REG_SRTP);
-
-  DEBUG((DEBUG_INFO, "EnableDmar: waiting for RTPS bit to be set... \n"));
-  do {
-    Reg32 = MmioRead32 (VtdUnitBaseAddress + R_GSTS_REG);
-  } while((Reg32 & B_GSTS_REG_RTPS) == 0);
-
-  //
-  // Init DMAr Fault Event and Data registers
-  //
-  Reg32 = MmioRead32 (VtdUnitBaseAddress + R_FEDATA_REG);
-
-  //
-  // Write Buffer Flush before invalidation
-  //
-  FlushWriteBuffer (VtdUnitBaseAddress);
-
-  //
-  // Invalidate the context cache
-  //
-  InvalidateContextCache (VtdUnitBaseAddress);
-
-  //
-  // Invalidate the IOTLB cache
-  //
-  InvalidateIOTLB (VtdUnitBaseAddress);
-
-  //
-  // Enable VTd
-  //
-  MmioWrite32 (VtdUnitBaseAddress + R_GCMD_REG, B_GMCD_REG_TE);
-  DEBUG((DEBUG_INFO, "EnableDmar: Waiting B_GSTS_REG_TE ...\n"));
-  do {
-    Reg32 = MmioRead32 (VtdUnitBaseAddress + R_GSTS_REG);
-  } while ((Reg32 & B_GSTS_REG_TE) == 0);
-
-  DEBUG ((DEBUG_INFO,"VTD () enabled!<<<<<<\n"));
-
-  return EFI_SUCCESS;
-}
-
-/**
-  Disable DMAR translation.
-
-  @param VtdUnitBaseAddress The base address of the VTd engine.
-
-  @retval EFI_SUCCESS           DMAR translation is disabled.
-  @retval EFI_DEVICE_ERROR      DMAR translation is not disabled.
-**/
-EFI_STATUS
-DisableDmar (
-  IN UINTN  VtdUnitBaseAddress
-  )
-{
-  UINT32    Reg32;
-
-  DEBUG((DEBUG_INFO, ">>>>>>DisableDmar() for engine [%x] \n", VtdUnitBaseAddress));
-
-  //
-  // Write Buffer Flush before invalidation
-  //
-  FlushWriteBuffer (VtdUnitBaseAddress);
-
-  //
-  // Disable VTd
-  //
-  MmioWrite32 (VtdUnitBaseAddress + R_GCMD_REG, B_GMCD_REG_SRTP);
-  do {
-    Reg32 = MmioRead32 (VtdUnitBaseAddress + R_GSTS_REG);
-  } while((Reg32 & B_GSTS_REG_RTPS) == 0);
-
-  Reg32 = MmioRead32 (VtdUnitBaseAddress + R_GSTS_REG);
-  DEBUG((DEBUG_INFO, "DisableDmar: GSTS_REG - 0x%08x\n", Reg32));
-
-  MmioWrite64 (VtdUnitBaseAddress + R_RTADDR_REG, 0);
-
-  DEBUG ((DEBUG_INFO,"VTD () Disabled!<<<<<<\n"));
-
-  return EFI_SUCCESS;
-}
-
-/**
-  Enable VTd translation table protection.
-
-  @param VTdInfo            The VTd engine context information.
-  @param EngineMask         The mask of the VTd engine to be accessed.
-**/
-VOID
-EnableVTdTranslationProtection (
-  IN VTD_INFO      *VTdInfo,
-  IN UINT64        EngineMask
-  )
-{
-  UINTN       Index;
-  VOID        *RootEntryTable;
-
-  DEBUG ((DEBUG_INFO, "EnableVTdTranslationProtection - 0x%lx\n", EngineMask));
-
-  RootEntryTable = AllocatePages (1);
-  ASSERT (RootEntryTable != NULL);
-  if (RootEntryTable == NULL) {
-    DEBUG ((DEBUG_INFO, " EnableVTdTranslationProtection : OutOfResource\n"));
-    return ;
-  }
-
-  ZeroMem (RootEntryTable, EFI_PAGES_TO_SIZE(1));
-  FlushPageTableMemory ((UINTN)RootEntryTable, EFI_PAGES_TO_SIZE(1));
-
-  for (Index = 0; Index < VTdInfo->VTdEngineCount; Index++) {
-    if ((EngineMask & LShiftU64(1, Index)) == 0) {
-      continue;
-    }
-    EnableDmar ((UINTN)VTdInfo->VTdEngineAddress[Index], (UINTN)RootEntryTable);
-  }
-
-  return ;
-}
-
-/**
-  Disable VTd translation table protection.
-
-  @param VTdInfo            The VTd engine context information.
-  @param EngineMask         The mask of the VTd engine to be accessed.
-**/
-VOID
-DisableVTdTranslationProtection (
-  IN VTD_INFO      *VTdInfo,
-  IN UINT64        EngineMask
-  )
-{
-  UINTN       Index;
-
-  DEBUG ((DEBUG_INFO, "DisableVTdTranslationProtection - 0x%lx\n", EngineMask));
-
-  for (Index = 0; Index < VTdInfo->VTdEngineCount; Index++) {
-    if ((EngineMask & LShiftU64(1, Index)) == 0) {
-      continue;
-    }
-    DisableDmar ((UINTN)VTdInfo->VTdEngineAddress[Index]);
-  }
-
-  return ;
-}