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From: zwei4 <david.wei@intel.com>
To: edk2-devel@lists.01.org
Cc: David Wei <david.wei@intel.com>, Mang Guo <mang.guo@intel.com>
Subject: [Patch][edk2-platforms/devel-IntelAtomProcessorE3900] Enable VT-d DMA remapping for DMA protection.
Date: Tue, 17 Jul 2018 17:22:08 +0800	[thread overview]
Message-ID: <20180717092208.18764-1-david.wei@intel.com> (raw)

(1) Add VT-d modules into FDF file.
(2) Add Setup option and configuration policy for pre-boot VT-d enabling.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: David Wei <david.wei@intel.com>
CC: Mang Guo <mang.guo@intel.com>
---
 .../Common/Include/Guid/SetupVariable.h            |   4 ++-
 .../Library/PeiPolicyUpdateLib/PeiScPolicyUpdate.c |   2 ++
 .../Common/PlatformSettings/PlatformDxe/Platform.c |  31 +++++++++++++++++++-
 .../PlatformSettings/PlatformDxe/PlatformDxe.inf   |   5 +++-
 .../PlatformSettings/PlatformSetupDxe/Cpu.vfi      |   9 ++++++
 .../PlatformSetupDxe/PlatformSetupDxe.c            |   5 ++++
 .../PlatformSettings/PlatformSetupDxe/UqiList.uni  | Bin 126916 -> 127232 bytes
 .../PlatformSetupDxe/VfrStrings.uni                | Bin 306044 -> 306466 bytes
 .../PlatformVTdInfoPei/PlatformVTdInfoPei.c        |  32 +++++++++++++++++++--
 .../PlatformVTdInfoPei/PlatformVTdInfoPei.inf      |   6 ++++
 Platform/BroxtonPlatformPkg/PlatformPkg.fdf        |   8 ++++++
 .../SouthCluster/Include/ConfigBlock/VtdConfig.h   |   3 +-
 .../SouthCluster/Library/DxeVtdLib/DxeVtdLib.c     |  21 +++++++++++++-
 .../Library/PeiScPolicyLib/ScPrintPolicy.c         |   2 +-
 14 files changed, 120 insertions(+), 8 deletions(-)

diff --git a/Platform/BroxtonPlatformPkg/Common/Include/Guid/SetupVariable.h b/Platform/BroxtonPlatformPkg/Common/Include/Guid/SetupVariable.h
index 60ffb1beb5..4f5eeb1c0f 100644
--- a/Platform/BroxtonPlatformPkg/Common/Include/Guid/SetupVariable.h
+++ b/Platform/BroxtonPlatformPkg/Common/Include/Guid/SetupVariable.h
@@ -1,7 +1,7 @@
 /** @file
   Header file for Setup Variable.
 
-  Copyright (c) 2012 - 2017, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2012 - 2018, 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
@@ -1130,6 +1130,8 @@ typedef struct {
   UINT8         HotThermalTripPointSen2;
   
   UINT8         SueCreekBypass;
+
+  UINT8         PrebootVTdEnable;
 } SYSTEM_CONFIGURATION;
 #pragma pack(pop)
 
diff --git a/Platform/BroxtonPlatformPkg/Common/Library/PeiPolicyUpdateLib/PeiScPolicyUpdate.c b/Platform/BroxtonPlatformPkg/Common/Library/PeiPolicyUpdateLib/PeiScPolicyUpdate.c
index e7714d189a..faf478ace8 100644
--- a/Platform/BroxtonPlatformPkg/Common/Library/PeiPolicyUpdateLib/PeiScPolicyUpdate.c
+++ b/Platform/BroxtonPlatformPkg/Common/Library/PeiPolicyUpdateLib/PeiScPolicyUpdate.c
@@ -640,6 +640,8 @@ UpdatePeiScPolicy (
   }
 
   VtdConfig->VtdEnable = SystemConfiguration.VTdEnable;
+  VtdConfig->PrebootVTdEnable = SystemConfiguration.PrebootVTdEnable;
+  
   //
   // Power management Configuration
   //
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/Platform.c b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/Platform.c
index 712d5cd14f..31f8bedc31 100644
--- a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/Platform.c
+++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/Platform.c
@@ -1,7 +1,7 @@
 /** @file
   Platform Initialization Driver.
 
-  Copyright (c) 1999 - 2017, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 1999 - 2018, 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
@@ -38,6 +38,9 @@
 #include <Library/HeciMsgLib.h>
 #include <Ppi/SiPolicyPpi.h>
 #include <Library/GpioLib.h>
+#include <Private/Guid/ScPolicyHobGuid.h>
+#include <Library/HobLib.h>
+#include <Library/ConfigBlockLib.h>
 
 #if (ENBDT_PF_ENABLE == 1) //BXTP
   #include <Library/PlatformCmosLib.h>
@@ -496,6 +499,31 @@ InitPlatformBootMode (
 
 }
 
+VOID
+InitPlatformVtdDxePolicy (
+  VOID
+  )
+{
+  SC_POLICY_HOB         *ScPolicy;
+  EFI_PEI_HOB_POINTERS  HobPtr;
+  SC_VTD_CONFIG         *VtdConfig;
+  EFI_STATUS            Status;
+
+  //
+  // Get SC VT-d config block
+  //
+  HobPtr.Guid = GetFirstGuidHob (&gScPolicyHobGuid);
+  ASSERT (HobPtr.Guid != NULL);
+  ScPolicy = (SC_POLICY_HOB*) GET_GUID_HOB_DATA (HobPtr.Guid);
+  Status = GetConfigBlock ((VOID *) ScPolicy, &gVtdConfigGuid, (VOID *) &VtdConfig);
+  ASSERT_EFI_ERROR (Status);
+  DEBUG ((DEBUG_INFO, "Set ScPolicy VtdConfig PrebootVTdEnable.\n"));
+  
+  VtdConfig->PrebootVTdEnable = 0;
+  if ((BOOLEAN)(mSystemConfiguration.PrebootVTdEnable) == TRUE) {
+    VtdConfig->PrebootVTdEnable = 1;
+  }
+}
 
 VOID
 InitPlatformUsbPolicy (
@@ -839,6 +867,7 @@ InitializePlatform (
   IoWrite8 (PCAT_RTC_ADDRESS_REGISTER, RTC_ADDRESS_REGISTER_B);
   IoWrite8 (PCAT_RTC_DATA_REGISTER, IoRead8 (PCAT_RTC_DATA_REGISTER) & ~B_RTC_ALARM_INT_ENABLE);
 
+  InitPlatformVtdDxePolicy();
   InitPlatformIdePolicy ();
   InitPlatformUsbPolicy ();
   InitSioPlatformPolicy ();
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PlatformDxe.inf b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PlatformDxe.inf
index 440071fd41..8eb6a7aa82 100644
--- a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PlatformDxe.inf
+++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PlatformDxe.inf
@@ -1,7 +1,7 @@
 ## @file
 #  Component description file for platform DXE driver
 #
-#  Copyright (c) 1999 - 2017, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 1999 - 2018, 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
@@ -43,6 +43,7 @@
   IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
   BroxtonPlatformPkg/PlatformPkg.dec
   BroxtonSiPkg/BroxtonSiPkg.dec
+  BroxtonSiPkg/BroxtonSiPrivate.dec
   SecurityPkg/SecurityPkg.dec
 
 [LibraryClasses]
@@ -89,6 +90,8 @@
   gEfiImageSecurityDatabaseGuid
   gEfiPlatformInfoGuid
   gFdoModeEnabledHobGuid                        ## CONSUMES
+  gScPolicyHobGuid
+  gVtdConfigGuid
 
 [Protocols]
   gDxeSiPolicyProtocolGuid           # PRODUCES
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformSetupDxe/Cpu.vfi b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformSetupDxe/Cpu.vfi
index b2bafa979c..23859e6a3a 100644
--- a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformSetupDxe/Cpu.vfi
+++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformSetupDxe/Cpu.vfi
@@ -45,6 +45,15 @@ form formid = CPU_CONFIGURATION_FORM_ID,
     option text = STRING_TOKEN(STR_DISABLE), value = 0, flags = MANUFACTURING | DEFAULT  | RESET_REQUIRED;
     option text = STRING_TOKEN(STR_ENABLE),  value = 1, flags = RESET_REQUIRED;
   endoneof;
+
+  grayoutif ideqval Setup.VTdEnable == 0;
+  oneof varid     = Setup.PrebootVTdEnable,
+    prompt      = STRING_TOKEN(STR_PREBOOT_VTD_PROMPT),
+    help        = STRING_TOKEN(STR_PREBOOT_VTD_HELP),
+    option text = STRING_TOKEN(STR_DISABLE), value = 0, flags = MANUFACTURING | DEFAULT  | RESET_REQUIRED;
+    option text = STRING_TOKEN(STR_ENABLE),  value = 1, flags = RESET_REQUIRED;
+  endoneof;
+  endif;
   endif;
   
   oneof varid     = Setup.EnableTm,
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformSetupDxe/PlatformSetupDxe.c b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformSetupDxe/PlatformSetupDxe.c
index 7e3beb6116..21fd328fd4 100644
--- a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformSetupDxe/PlatformSetupDxe.c
+++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformSetupDxe/PlatformSetupDxe.c
@@ -477,6 +477,11 @@ SystemConfigCallback (
         if (Private->FakeNvData.IpuEn == 1) {
           Private->FakeNvData.VTdEnable = 0;
         }
+
+        if (Private->FakeNvData.VTdEnable == 0) {
+          Private->FakeNvData.PrebootVTdEnable = 0;
+        }
+        
         //
         // Pass changed uncommitted data back to Form Browser
         //
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformSetupDxe/UqiList.uni b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformSetupDxe/UqiList.uni
index 4666b9a6a5b2b365750f5afdbc1ce1810c62b1e4..c7aa4873575c9f3b933314bdd4717378b8c698a2 100644
GIT binary patch
delta 92
zcmX?dpS|G`d&3sSBk!lDJ!X`eu29Fw!tcu9#NZEvAq?>hVGJRY7dj+P517cv#hk)m
fIoZ%a5naLbjn5cur*EiYQ~@hvOJPW4P+|Z8O6eLR

delta 11
ScmZp8#D3&Hd&3sSBkuts%LV)Z

diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformSetupDxe/VfrStrings.uni b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformSetupDxe/VfrStrings.uni
index df868581ebdda14ee03287bbb2d73bd40e03dbe8..bb53da281824b22ebff1c370df87c7e0409b1fb9 100644
GIT binary patch
delta 156
zcmex!O=!_Ap$&2KIb9i?82o`SWOCzN&*=s|%xZ$E3`q?6Kv=?{z!1g|!k|0ZF<cc%
zq5M40$sgvpP2M+;Lsx+z4XCmRsM3kS6KG5@kQD&rr!wdwnGy^%E0H06dZHea=46Eh
hGLr*(EhZOmDm7o4-+pO6BM>tIG4u9I^I2AL0|00eE)f6#

delta 47
zcmZ2<OX$xvp$&2KryD$EW}AF&p~&QbUW>^EoJ!3V3)?FeG6FFZ5HoMDSje)98vqjM
B6vzMo

diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformVTdInfoPei/PlatformVTdInfoPei.c b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformVTdInfoPei/PlatformVTdInfoPei.c
index b342e99f22..89b0133fd8 100644
--- a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformVTdInfoPei/PlatformVTdInfoPei.c
+++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformVTdInfoPei/PlatformVTdInfoPei.c
@@ -15,12 +15,14 @@
 #include <PiPei.h>
 
 #include <Ppi/VtdInfo.h>
-
+#include <Ppi/ReadOnlyVariable2.h>
 #include <Library/PeiServicesLib.h>
 #include <Library/DebugLib.h>
 #include <Library/PciLib.h>
 #include <Library/IoLib.h>
+#include <Library/BaseMemoryLib.h>
 #include <Library/MemoryAllocationLib.h>
+#include <Guid/SetupVariable.h>
 
 
 #define R_SA_MCHBAR               (0x48)
@@ -320,7 +322,33 @@ PlatformVTdInfoInitialize (
 {
   EFI_STATUS               Status;
   EFI_PEI_PPI_DESCRIPTOR   *PpiDesc;
-  
+  UINTN                            VariableSize;
+  EFI_PEI_READ_ONLY_VARIABLE2_PPI  *VariableServices;
+  SYSTEM_CONFIGURATION             SystemConfiguration;
+
+  VariableSize = sizeof (SYSTEM_CONFIGURATION);
+  ZeroMem (&SystemConfiguration, sizeof (SYSTEM_CONFIGURATION));
+
+ Status = (*PeiServices)->LocatePpi (
+                    (CONST EFI_PEI_SERVICES **)PeiServices,
+                    &gEfiPeiReadOnlyVariable2PpiGuid,
+                    0,
+                    NULL,
+                    (VOID **) &VariableServices
+                    );
+
+  Status = VariableServices->GetVariable (
+                      VariableServices,
+                      PLATFORM_SETUP_VARIABLE_NAME,
+                      &gEfiSetupVariableGuid,
+                      NULL,
+                      &VariableSize,
+                      &SystemConfiguration
+                      );
+
+  if ((SystemConfiguration.VTdEnable == FALSE) || (SystemConfiguration.PrebootVTdEnable == FALSE) ) {
+    return EFI_SUCCESS;
+  }
   //
   // This driver assumes VT-d has been enabled by FSP.
   //
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformVTdInfoPei/PlatformVTdInfoPei.inf b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformVTdInfoPei/PlatformVTdInfoPei.inf
index d6a865109c..506cf3d8ea 100644
--- a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformVTdInfoPei/PlatformVTdInfoPei.inf
+++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformVTdInfoPei/PlatformVTdInfoPei.inf
@@ -36,6 +36,7 @@
   MdeModulePkg/MdeModulePkg.dec
   IntelSiliconPkg/IntelSiliconPkg.dec
   BroxtonSiPkg/BroxtonSiPkg.dec
+  BroxtonPlatformPkg/PlatformPkg.dec
 
 [LibraryClasses]
   PeimEntryPoint
@@ -43,9 +44,14 @@
   DebugLib
   PciLib
   IoLib
+  BaseMemoryLib
 
 [Ppis]
   gEdkiiVTdInfoPpiGuid         ## PRODUCES
+  gEfiPeiReadOnlyVariable2PpiGuid
+  
+[Guids]
+  gEfiSetupVariableGuid
 
 [Depex]
   gEfiPeiMasterBootModePpiGuid
diff --git a/Platform/BroxtonPlatformPkg/PlatformPkg.fdf b/Platform/BroxtonPlatformPkg/PlatformPkg.fdf
index ca22f75965..4ad90dc3c8 100644
--- a/Platform/BroxtonPlatformPkg/PlatformPkg.fdf
+++ b/Platform/BroxtonPlatformPkg/PlatformPkg.fdf
@@ -306,6 +306,12 @@
   INF MdeModulePkg/Universal/ReportStatusCodeRouter/Pei/ReportStatusCodeRouterPei.inf
 !endif
 
+  #
+  # VT-d for DMA Protection
+  #
+  INF $(PLATFORM_PACKAGE_COMMON)/PlatformSettings/PlatformVTdInfoPei/PlatformVTdInfoPei.inf
+  INF IntelSiliconPkg/Feature/VTd/IntelVTdPmrPei/IntelVTdPmrPei.inf
+  
 [FV.FVIBBM]
   BlockSize          = $(FLASH_BLOCK_SIZE)
   FvBaseAddress      = 0xFEF45000
@@ -768,6 +774,8 @@ APRIORI DXE {
   # VT-d for MDA Protection
   #
   INF RuleOverride = ACPITABLE $(PLATFORM_SI_PACKAGE)/SouthCluster/AcpiTableDmar/AcpiTableDmar.inf
+  INF $(PLATFORM_PACKAGE_COMMON)/PlatformSettings/PlatformVTdDxe/PlatformVTdDxe.inf
+  INF IntelSiliconPkg/Feature/VTd/IntelVTdDxe/IntelVTdDxe.inf
 
 [FV.FVOBB]
   BlockSize          = $(FLASH_BLOCK_SIZE)
diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/ConfigBlock/VtdConfig.h b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/ConfigBlock/VtdConfig.h
index e6fb1a24ec..b38d34a4a1 100644
--- a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/ConfigBlock/VtdConfig.h
+++ b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/ConfigBlock/VtdConfig.h
@@ -28,8 +28,9 @@ extern EFI_GUID gVtdConfigGuid;
 typedef struct {
   CONFIG_BLOCK_HEADER  Header;                      ///< Config Block Header
   UINT32               VtdEnable           :  1;    ///< 1: Enable, <b>0: Disable</b> VT-d
+  UINT32               PrebootVTdEnable    :  1;
   UINT8                x2ApicEnabled       :  1;
-  UINT32               RsvdBits            :  30;   ///< Reserved bits
+  UINT32               RsvdBits            :  29;   ///< Reserved bits
   UINT64               RmrrUsbBaseAddr;
   UINT64               RmrrUsbLimit;
 } SC_VTD_CONFIG;
diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/DxeVtdLib/DxeVtdLib.c b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/DxeVtdLib/DxeVtdLib.c
index 80f37a664b..abcfee2998 100644
--- a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/DxeVtdLib/DxeVtdLib.c
+++ b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/DxeVtdLib/DxeVtdLib.c
@@ -542,11 +542,24 @@ UpdateDmarOnReadyToBoot (
   UINTN                           AcpiTableHandle;
   EFI_FIRMWARE_VOLUME2_PROTOCOL   *FwVol;
   EFI_ACPI_DESCRIPTION_HEADER     *DmarAcpiTable;
+  SC_POLICY_HOB                   *ScPolicy;
+  EFI_PEI_HOB_POINTERS            HobPtr;
+  SC_VTD_CONFIG                   *VtdConfig;
 
   AcpiTableProtocol = NULL;
   DmarAcpiTable = NULL;
   Index       = 0;
 
+  //
+  // Get SC VT-d config block
+  //
+  HobPtr.Guid = GetFirstGuidHob (&gScPolicyHobGuid);
+  ASSERT (HobPtr.Guid != NULL);
+  ScPolicy = (SC_POLICY_HOB*) GET_GUID_HOB_DATA (HobPtr.Guid);
+  Status = GetConfigBlock ((VOID *) ScPolicy, &gVtdConfigGuid, (VOID *) &VtdConfig);
+  ASSERT_EFI_ERROR (Status);
+  DEBUG ((DEBUG_INFO, "ScPolicy PrebootVTdEnable = %x\n", VtdConfig->PrebootVTdEnable));
+
   //
   // Locate ACPI support protocol
   //
@@ -684,7 +697,13 @@ UpdateDmarOnReadyToBoot (
     DEBUG ((DEBUG_ERROR, "Error updating the DMAR ACPI table\n"));
   }
 
-  EfiEventGroupSignal (&gEfiAcpi10TableGuid);
+  //
+  // Only notify IntelVtdDxe driver to setup pre-boot VT-d if pre-boot VT-d has been enabled by BIOS Setup option.
+  //
+  if ((BOOLEAN)(VtdConfig->PrebootVTdEnable) == TRUE) {
+    DEBUG ((DEBUG_INFO, "VT-d signal gEfiAcpi10TableGuid.\n"));
+    EfiEventGroupSignal (&gEfiAcpi10TableGuid);
+  }
 }
 
 
diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/PeiScPolicyLib/ScPrintPolicy.c b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/PeiScPolicyLib/ScPrintPolicy.c
index 7ccf1d2495..7ccaac8f7e 100644
--- a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/PeiScPolicyLib/ScPrintPolicy.c
+++ b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/PeiScPolicyLib/ScPrintPolicy.c
@@ -500,7 +500,7 @@ PrintVtdConfig (
 {
   DEBUG ((DEBUG_INFO, "------------------ Vtd Config ------------------\n"));
   DEBUG ((DEBUG_INFO, " VtdEnable    = %x\n", VtdConfig->VtdEnable));
-
+  DEBUG ((DEBUG_INFO, " PrebootVTdEnable = %x\n", VtdConfig->PrebootVTdEnable));
   return;
 }
 
-- 
2.14.1.windows.1



                 reply	other threads:[~2018-07-17  9:22 UTC|newest]

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