[edk2] [PATCH edk2-platforms v1 30/38] Hisilicon/D06: add apei driver

Ming Huang posted 38 patches 7 years, 6 months ago
There is a newer version of this series
[edk2] [PATCH edk2-platforms v1 30/38] Hisilicon/D06: add apei driver
Posted by Ming Huang 7 years, 6 months ago
From: Luqi Jiang <jiangluqi@huawei.com>

This driver provide a means for the platform to
convey error information to OSPM.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Luqi Jiang <jiangluqi@huawei.com>
Signed-off-by: Ming Huang <ming.huang@linaro.org>
Signed-off-by: Heyi Guo <heyi.guo@linaro.org>
---
 Platform/Hisilicon/D06/D06.dsc                           |   1 +
 Platform/Hisilicon/D06/D06.fdf                           |   1 +
 Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.c             |  92 +++++
 Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.h             |  48 +++
 Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf           |  63 ++++
 Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.c        |  86 +++++
 Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.h        |  42 +++
 Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.c        | 326 +++++++++++++++++
 Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h        | 154 ++++++++
 Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.c | 320 +++++++++++++++++
 Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.h | 100 ++++++
 Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.c        | 379 ++++++++++++++++++++
 Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.h        | 145 ++++++++
 Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.c        |  98 +++++
 Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.h        |  58 +++
 Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.c    | 303 ++++++++++++++++
 Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.h    |  28 ++
 17 files changed, 2244 insertions(+)

diff --git a/Platform/Hisilicon/D06/D06.dsc b/Platform/Hisilicon/D06/D06.dsc
index 28dd7926f4..0a7681915c 100644
--- a/Platform/Hisilicon/D06/D06.dsc
+++ b/Platform/Hisilicon/D06/D06.dsc
@@ -344,6 +344,7 @@
   Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/AcpiTablesHi1620.inf
   Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
 
+  Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf
   Silicon/Hisilicon/Hi1620/Pptt/Pptt.inf
   #
   # Usb Support
diff --git a/Platform/Hisilicon/D06/D06.fdf b/Platform/Hisilicon/D06/D06.fdf
index ec424d49ed..264f717d9d 100644
--- a/Platform/Hisilicon/D06/D06.fdf
+++ b/Platform/Hisilicon/D06/D06.fdf
@@ -251,6 +251,7 @@ READ_LOCK_STATUS   = TRUE
 
   INF RuleOverride=ACPITABLE Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/AcpiTablesHi1620.inf
   INF Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
+  INF Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf
 
   INF Silicon/Hisilicon/Hi1620/Pptt/Pptt.inf
 
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.c
new file mode 100644
index 0000000000..1b108c9881
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.c
@@ -0,0 +1,92 @@
+/** @file
+*
+*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
+*
+*  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.
+*
+**/
+#include <Library/OemConfigData.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include "Apei.h"
+#include "Bert/bert.h"
+#include "Einj/einj.h"
+#include "Erst/erst.h"
+#include "Hest/hest.h"
+
+EFI_ACPI_TABLE_PROTOCOL        *mAcpiTableProtocol = NULL;
+EFI_ACPI_SDT_PROTOCOL          *mAcpiSdtProtocol = NULL;
+APEI_TRUSTFIRMWARE_STRUCTURE   *mApeiTrustfirmwareStruc;
+
+EFI_STATUS
+EFIAPI
+ApeiEntryPoint(
+  IN EFI_HANDLE          ImageHandle,
+  IN EFI_SYSTEM_TABLE    *SystemTable
+)
+{
+  EFI_STATUS              Status;
+  ARM_SMC_ARGS            SmcRegs = {0};
+  UINTN                   Size = sizeof (OEM_CONFIG_DATA);
+  OEM_CONFIG_DATA         SetupData;
+
+  Status = gRT->GetVariable (
+             OEM_CONFIG_NAME,
+             &gOemConfigGuid,
+             NULL,
+             &Size,
+             &SetupData
+             );
+  if (EFI_ERROR (Status)) {
+    SetupData.EnRasSupport = 1;
+    DEBUG ((DEBUG_ERROR, "[%a]GetVariable %r.Get default variable value\n", __FUNCTION__, Status));
+  }
+  if (!SetupData.EnRasSupport) {
+    return EFI_ABORTED;
+  }
+  if (PcdGet64 (PcdTrustedFirmwareEnable) == 0) {
+    return EFI_ABORTED;
+  }
+  Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID**)&mAcpiTableProtocol);
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+  Status = gBS->LocateProtocol (&gEfiAcpiSdtProtocolGuid, NULL, (VOID**) &mAcpiSdtProtocol);
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+  Status = gBS->AllocatePool (
+             EfiReservedMemoryType,
+             sizeof(APEI_TRUSTFIRMWARE_STRUCTURE),
+             (VOID**)&mApeiTrustfirmwareStruc
+           );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+  gBS->SetMem (
+    mApeiTrustfirmwareStruc,
+    sizeof (APEI_TRUSTFIRMWARE_STRUCTURE),
+    0
+  );
+  Status = EFI_SUCCESS;
+  Status |= OemInitBertTable (ImageHandle);
+  Status |= OemInitHestTable (ImageHandle);
+  Status |= OemInitErstTable ();
+  Status |= OemInitEinjTable ();
+  // smc call
+  DEBUG ((DEBUG_INFO, "[%a]:[%dL]: %r\n", __FUNCTION__, __LINE__, Status));
+  if (Status == EFI_SUCCESS) {
+    SmcRegs.Arg0 = PRIVATE_ARM_SMC_ID_APEI;
+    SmcRegs.Arg1 = (UINTN)mApeiTrustfirmwareStruc;
+    ArmCallSmc (&SmcRegs);
+  }
+  DEBUG ((DEBUG_INFO, "Acpi Apei init done.\n"));
+  return EFI_SUCCESS;
+}
+
+
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.h
new file mode 100644
index 0000000000..39f028b203
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.h
@@ -0,0 +1,48 @@
+/** @file
+*
+*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
+*
+*  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 _APEI_H_
+#define _APEI_H_
+
+#include <Hi1620Platform.h>
+#include <IndustryStandard/Acpi.h>
+#include <Library/ArmSmcLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+#include <Protocol/AcpiSystemDescriptionTable.h>
+#include <Protocol/AcpiTable.h>
+
+#define EFI_ACPI_MAX_NUM_TABLES         20
+#define PRIVATE_ARM_SMC_ID_APEI         0x83000100
+#define PRIVATE_ARM_SMC_ID_APEI_S       0x83000101
+
+typedef struct {
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *HestCorrectedErrorGhesV2;
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *HestFatalErrorGhesV2;
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *HestRecoverableErrorGhesV2;
+  EFI_PHYSICAL_ADDRESS                                            HestTableAddress;
+  EFI_PHYSICAL_ADDRESS                                            EinjTableAddress;
+  EFI_PHYSICAL_ADDRESS                                            EinjDataStruct;
+  VOID                                                            *ErstContext;
+} APEI_TRUSTFIRMWARE_STRUCTURE;
+
+extern EFI_ACPI_TABLE_PROTOCOL       *mAcpiTableProtocol;
+extern EFI_ACPI_SDT_PROTOCOL         *mAcpiSdtProtocol;
+extern APEI_TRUSTFIRMWARE_STRUCTURE  *mApeiTrustfirmwareStruc;
+
+
+#endif    // _APEI_H_
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf
new file mode 100644
index 0000000000..c80bcbcacc
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf
@@ -0,0 +1,63 @@
+/** @file
+*
+*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
+*
+*  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                    = 0x0001001A
+  BASE_NAME                      = AcpiApei
+  FILE_GUID                      = E9570C39-EF68-4fc6-B921-C1954A87CCD2
+  MODULE_TYPE                    = DXE_DRIVER
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = ApeiEntryPoint
+
+[sources.common]
+  Apei.c
+  Bert/bert.c
+  Bert/bert.h
+  Einj/einj.c
+  Einj/einj.h
+  Erst/erst.c
+  Erst/erst.h
+  Hest/hest.c
+  Hest/hest.h
+  ErrorSource/Ghes.c
+  ErrorSource/Ghes.h
+  OemApeiHi1620.c
+
+[Packages]
+  ArmPkg/ArmPkg.dec
+  MdePkg/MdePkg.dec
+  Silicon/Hisilicon/HisiPkg.dec
+
+[LibraryClasses]
+  ArmSmcLib
+  BaseMemoryLib
+  DebugLib
+  HobLib
+  TimerLib
+  UefiDriverEntryPoint
+  UefiRuntimeServicesTableLib
+
+[Guids]
+  gOemConfigGuid
+
+[Protocols]
+  gEfiAcpiSdtProtocolGuid
+  gEfiAcpiTableProtocolGuid                     # PROTOCOL ALWAYS_CONSUMED
+
+[Pcd]
+  gHisiTokenSpaceGuid.PcdCpldBaseAddress
+  gHisiTokenSpaceGuid.PcdTrustedFirmwareEnable
+
+[Depex]
+  gEfiAcpiTableProtocolGuid AND gEfiAcpiSdtProtocolGuid
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.c
new file mode 100644
index 0000000000..ff87e56cf5
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.c
@@ -0,0 +1,86 @@
+/** @file
+*
+*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
+*
+*  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.
+*
+**/
+
+#include "bert.h"
+#include "./ErrorSource/Ghes.h"
+
+VOID
+BertSetAcpiTable (
+  IN BERT_CONTEXT *Context
+)
+{
+  UINTN          AcpiTableHandle;
+  EFI_STATUS     Status;
+  if (Context == NULL) {
+    return;
+  }
+  EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER* Bert = Context->BertHeader;
+  Bert->Header.Checksum = CalculateCheckSum8 ((UINT8*)(Bert), Bert->Header.Length);
+  AcpiTableHandle = 0;
+  Status = mAcpiTableProtocol->InstallAcpiTable (
+                                 mAcpiTableProtocol,
+                                 Bert,
+                                 Bert->Header.Length,
+                                 &AcpiTableHandle);
+  ASSERT_EFI_ERROR (Status);
+  return;
+}
+
+BOOLEAN
+BertAddGenericErrorData (
+  IN EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER *Bert,
+  IN EFI_CPER_SECTION_TYPE                       TypeOfErrorData,
+  IN VOID                                        *GenericErrorData,
+  IN UINT32                                      SizeOfGenericErrorData,
+  IN ERROR_SEVERITY                              ErrorSeverity,
+  IN BOOLEAN                                     Correctable
+)
+{
+  DEBUG((DEBUG_ERROR, "[%a]:[%dL]: \n", __FUNCTION__, __LINE__));
+  BOOLEAN Status = ErrorBlockAddErrorData (
+                     (VOID*)Bert->BootErrorRegion,
+                     Bert->BootErrorRegionLength,
+                     TypeOfErrorData,
+                     GenericErrorData,
+                     SizeOfGenericErrorData,
+                     ErrorSeverity,
+                     Correctable);
+  return Status;
+}
+
+EFI_STATUS
+BertHeaderCreator (
+  IN BERT_CONTEXT  *Context,
+  IN UINT32        ErrorBlockSize
+)
+{
+  if (Context == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+  Context->BertHeader = AllocateZeroPool (sizeof (EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER));
+  Context->Block = AllocateReservedZeroPool (ErrorBlockSize);
+  Context->BlockSize = ErrorBlockSize;
+  *Context->BertHeader = (EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER) {
+    ARM_ACPI_HEADER (
+      EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_SIGNATURE,
+      EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER,
+      EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_REVISION
+      ),
+    Context->BlockSize,
+    (UINT64)Context->Block
+  };
+  return EFI_SUCCESS;
+}
+
+
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.h
new file mode 100644
index 0000000000..af38a765bd
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.h
@@ -0,0 +1,42 @@
+/** @file
+*
+*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
+*
+*  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 _BERT_H_
+#define _BERT_H_
+
+#include "Apei.h"
+#include <Guid/Cper.h>
+
+typedef struct _BERT_CONTEXT {
+  EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER   *BertHeader;         // pointer to best header
+  VOID                                          *Block;
+  UINT32                                        BlockSize; // allocated memory size for bert's error block
+} BERT_CONTEXT;
+
+EFI_STATUS
+OemInitBertTable (
+  IN EFI_HANDLE    ImageHandle
+);
+VOID
+BertSetAcpiTable (
+  IN BERT_CONTEXT *Context
+);
+EFI_STATUS
+BertHeaderCreator (
+  BERT_CONTEXT  *Context,
+  UINT32        ErrorBlockSize
+);
+
+
+#endif    // _BERT_H_
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.c
new file mode 100644
index 0000000000..898863718b
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.c
@@ -0,0 +1,326 @@
+/** @file
+*
+*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
+*
+*  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.
+*
+**/
+#include "einj.h"
+#include "OemApeiHi1620.h"
+
+
+EINJ_TABLE mEinj = {
+  {
+    ARM_ACPI_HEADER(
+      EFI_ACPI_6_0_ERROR_INJECTION_TABLE_SIGNATURE,
+      EFI_ACPI_6_0_ERROR_INJECTION_TABLE_HEADER,
+      EFI_ACPI_6_0_ERROR_INJECTION_TABLE_REVISION
+    ),
+    sizeof(EFI_ACPI_6_0_ERROR_INJECTION_TABLE_HEADER),
+    0x0,
+    {
+      0x0,
+      0x0,
+      0x0
+    },
+    EINJ_ACTION_NO
+  },
+  {
+    {
+      // 0 EFI_ACPI_6_0_EINJ_BEGIN_INJECTION_OPERATION
+      EFI_ACPI_6_0_EINJ_BEGIN_INJECTION_OPERATION,
+      EFI_ACPI_6_0_EINJ_WRITE_REGISTER_VALUE,
+      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      EINJ_BEGIN_OPERATION_VALUE,
+      EINJ_WRITE_MASK
+    },
+    {
+      // 1 EFI_ACPI_6_0_EINJ_GET_TRIGGER_ERROR_ACTION_TABLE
+      EFI_ACPI_6_0_EINJ_GET_TRIGGER_ERROR_ACTION_TABLE,
+      EFI_ACPI_6_0_EINJ_READ_REGISTER,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      EINJ_READ_MASK
+    },
+    {
+      // 2 EFI_ACPI_6_0_EINJ_SET_ERROR_TYPE
+      EFI_ACPI_6_0_EINJ_SET_ERROR_TYPE,
+      EFI_ACPI_6_0_EINJ_WRITE_REGISTER,
+      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      EINJ_WRITE_MASK
+    },
+    {
+      // 3 EFI_ACPI_6_0_EINJ_GET_ERROR_TYPE
+      EFI_ACPI_6_0_EINJ_GET_ERROR_TYPE,
+      EFI_ACPI_6_0_EINJ_READ_REGISTER,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      0xFFFFFFFF
+    },
+    {
+      // 4 EFI_ACPI_6_0_EINJ_END_OPERATION
+      EFI_ACPI_6_0_EINJ_END_OPERATION,
+      EFI_ACPI_6_0_EINJ_WRITE_REGISTER_VALUE,
+      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      EINJ_END_OPERATION_VALUE,
+      0xFFFFFFFF
+    },
+    {
+      // 5 EFI_ACPI_6_0_EINJ_EXECUTE_OPERATION
+      EFI_ACPI_6_0_EINJ_EXECUTE_OPERATION,
+      EFI_ACPI_6_0_EINJ_WRITE_REGISTER_VALUE,
+      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        32,
+        0,
+        EFI_ACPI_6_0_DWORD,
+        GPIO1_BASE + GPIO_INT_MASK //0x40070008//0x4d000F00//GPIO0_BASE + GPIO0_SWPORT_DR_OFFSET
+      },
+      0,
+      0xFFFFFFFF //BIT0
+    },
+    {
+      // 6 EFI_ACPI_6_0_EINJ_CHECK_BUSY_STATUS
+      EFI_ACPI_6_0_EINJ_CHECK_BUSY_STATUS,
+      EFI_ACPI_6_0_EINJ_READ_REGISTER_VALUE,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0x01,
+      0x01
+    },
+    {
+      // 7 EFI_ACPI_6_0_EINJ_GET_COMMAND_STATUS
+      EFI_ACPI_6_0_EINJ_GET_COMMAND_STATUS,
+      EFI_ACPI_6_0_EINJ_READ_REGISTER,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      0x3
+    },
+    {
+      // 8 EFI_ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS
+      EFI_ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS,
+      EFI_ACPI_6_0_EINJ_WRITE_REGISTER,
+      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      0xFFFFFF
+    },
+    {
+      // 9 EFI_ACPI_EINJ_GET_EXCUTE_OPERATION_TIMINGS
+      EFI_ACPI_EINJ_GET_EXCUTE_OPERATION_TIMINGS,
+      EFI_ACPI_6_0_EINJ_WRITE_REGISTER,
+      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      0xFFFFFF
+    }
+  }
+};
+
+EINJ_TRIGGER_ERROR_ACTION mEinjTriggerErrorAction = {
+  {
+    sizeof(EFI_ACPI_6_0_EINJ_TRIGGER_ACTION_TABLE),
+    0,
+    sizeof(EINJ_TRIGGER_ERROR_ACTION),
+    EINJ_TRIGGER_ERROR_ACTION_NO
+  },
+  {
+    {
+      EFI_ACPI_6_0_EINJ_TRIGGER_ERROR,
+      EFI_ACPI_6_0_EINJ_NOOP,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_DWORD,
+        0
+      },
+      0,
+      0
+    }
+  }
+};
+
+
+VOID
+EinjSetAcpiTable(
+  EINJ_CONTEXT *Context
+)
+{
+  UINTN                   AcpiTableHandle;
+  EFI_STATUS              Status;
+  UINT8                   Checksum;
+  EFI_ACPI_SDT_HEADER     *Table;
+  EFI_ACPI_TABLE_VERSION  TableVersion;
+  UINTN                   TableKey;
+  UINTN                   i;
+  //gBS->CloseEvent(Event);
+  Context->EINJ->EinjTableHeader.Header.Length = sizeof (EINJ_TABLE); //mEinj.EinjTableHeader.Header.Length = sizeof(EINJ_TABLE);
+  Checksum = CalculateCheckSum8 ((UINT8*)(Context->EINJ), Context->EINJ->EinjTableHeader.Header.Length);
+  Context->EINJ->EinjTableHeader.Header.Checksum = Checksum;
+  AcpiTableHandle = 0;
+  Status = mAcpiTableProtocol->InstallAcpiTable (
+             mAcpiTableProtocol,
+             Context->EINJ,
+             Context->EINJ->EinjTableHeader.Header.Length,
+             &AcpiTableHandle
+           );
+  for (i = 0; i < EFI_ACPI_MAX_NUM_TABLES; i++) {
+    Status = mAcpiSdtProtocol->GetAcpiTable(i, &Table, &TableVersion, &TableKey);
+    if (EFI_ERROR (Status)) {
+      break;
+    }
+    if (Table->Signature != EFI_ACPI_6_0_ERROR_INJECTION_TABLE_SIGNATURE) {
+      continue;
+    }
+    mApeiTrustfirmwareStruc->EinjTableAddress = (EFI_PHYSICAL_ADDRESS)Table;
+    mApeiTrustfirmwareStruc->EinjDataStruct = (EFI_PHYSICAL_ADDRESS)Context->EinjData;
+  }
+  ASSERT_EFI_ERROR (Status) ;
+}
+//V2
+EFI_STATUS
+EinjHeaderCreator(
+  EINJ_CONTEXT *Context
+)
+{
+  EFI_STATUS           Status;
+  EINJ_DATA_STRUCTURE  *EinjData = NULL;
+  Status = gBS->AllocatePool (
+             EfiReservedMemoryType,
+             sizeof (EINJ_DATA_STRUCTURE),
+             (VOID**)(&EinjData)
+           );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+  gBS->SetMem (
+    EinjData,
+    sizeof (EINJ_DATA_STRUCTURE),
+    0
+  );
+
+  DEBUG ((DEBUG_INFO, "EINJ EinjData is at 0x%X,size =0x%x\n", EinjData, sizeof (EINJ_DATA_STRUCTURE)));
+  EinjData->TriggerErrorActionTablePtr = (EINJ_TRIGGER_ERROR_ACTION*)(&(EinjData->TriggerErrorActionTable));
+  gBS->CopyMem (EinjData->TriggerErrorActionTablePtr, &mEinjTriggerErrorAction, sizeof (EINJ_TRIGGER_ERROR_ACTION));
+  EinjData->OperationBegin = 0;
+  EinjData->ErrorType = 0;
+  EinjData->ErrorCapabilities = 0xFFF;
+  EinjData->BusyStatus = 0;
+  EinjData->CommandStatus = 0;
+  mEinj.EinjInstructionEntry[0].RegisterRegion.Address = (UINT64)(&(EinjData->OperationBegin));
+  mEinj.EinjInstructionEntry[1].RegisterRegion.Address = (UINT64)(&(EinjData->TriggerErrorActionTablePtr));
+  mEinj.EinjInstructionEntry[2].RegisterRegion.Address = (UINT64)(&(EinjData->ErrorType));
+  mEinj.EinjInstructionEntry[3].RegisterRegion.Address = (UINT64)(&(EinjData->ErrorCapabilities));
+  mEinj.EinjInstructionEntry[4].RegisterRegion.Address = (UINT64)(&(EinjData->OperationBegin));
+  mEinj.EinjInstructionEntry[6].RegisterRegion.Address = (UINT64)(&(EinjData->BusyStatus));
+  mEinj.EinjInstructionEntry[7].RegisterRegion.Address = (UINT64)(&(EinjData->CommandStatus));
+  mEinj.EinjInstructionEntry[8].RegisterRegion.Address = (UINT64)(&(EinjData->ErrorTypeWithAddress));
+  mEinj.EinjInstructionEntry[9].RegisterRegion.Address = (UINT64)(&(EinjData->Timming));
+  EinjData->ErrorTypeWithAddress.VendorErrorTypeOffset
+    = (UINT32)((UINTN) & (EinjData->VendorErrorTypeExtension) - (UINTN) & (EinjData->ErrorTypeWithAddress));
+  //
+  Context->EinjData = EinjData;
+  Context->EINJ = &mEinj;
+  Context->ExecuteOperationEntry = &mEinj.EinjInstructionEntry[5];
+  Context->GetErrorTypeEntry = &mEinj.EinjInstructionEntry[3];
+  return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+EinjConfigErrorInjectCapability(
+  EINJ_CONTEXT* Context,
+  UINT32        BitsSupportedErrorType
+)
+{
+  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY* KeyEntry;
+  UINT32*                                        EinjCapablity;
+
+  KeyEntry = Context->GetErrorTypeEntry;
+  EinjCapablity = (UINT32*)KeyEntry->RegisterRegion.Address;
+  *EinjCapablity = BitsSupportedErrorType;
+  KeyEntry->Value = BitsSupportedErrorType;
+  return EFI_SUCCESS;
+}
+
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h
new file mode 100644
index 0000000000..a5342b600f
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h
@@ -0,0 +1,154 @@
+/** @file
+*
+*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
+*
+*  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 _EINJ_H_
+#define _EINJ_H_
+
+#include "Apei.h"
+
+#define EINJ_ACTION_NO             10
+#define EINJ_BEGIN_OPERATION_VALUE 0xFFFF
+#define EINJ_END_OPERATION_VALUE   0
+#define EINJ_WRITE_MASK            0xFFFFFFFF
+#define EINJ_READ_VALUE            0xFFFF
+#define EINJ_READ_MASK             0xFFFFFFFF
+
+#define EINJ_TRIGGER_ERROR_ACTION_NO                                    1
+
+#define EFI_ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS                       0x08
+#define EFI_ACPI_EINJ_GET_EXCUTE_OPERATION_TIMINGS                      0x09
+
+
+extern EFI_ACPI_TABLE_PROTOCOL            *mAcpiTableProtocol;
+extern EFI_ACPI_SDT_PROTOCOL              *mAcpiSdtProtocol;
+extern APEI_TRUSTFIRMWARE_STRUCTURE       *mApeiTrustfirmwareStruc;
+
+//
+// Error Type Definition
+//
+#define EINJ_PROCESSOR_CORRECTABLE                                      BIT0
+#define EINJ_PROCESSOR_UNCORRECTABLE_NONFATAL                           BIT1
+#define EINJ_PROCESSOR_UNCORRECTABLE_FATAL                              BIT2
+#define EINJ_MEMORY_CORRECTABLE                                         BIT3
+#define EINJ_MEMORY_UNCORRECTABLE_NONFATAL                              BIT4
+#define EINJ_MEMORY_UNCORRECTABLE_FATAL                                 BIT5
+#define EINJ_PCIE_CORRECTABLE                                           BIT6
+#define EINJ_PCIE_UNCORRECTABLE_NONFATAL                                BIT7
+#define EINJ_PCIE_UNCORRECTABLE_FATAL                                   BIT8
+#define EINJ_PLATFORM_CORRECTABLE                                       BIT9
+#define EINJ_PLATFORM_UNCORRECTABLE_NONFATAL                            BIT10
+#define EINJ_PLATFORM_UNCORRECTABLE_FATAL                               BIT11
+#define EINJ_VENDOR_DEFINED_ERROR_TYPE                                  BIT31
+
+//
+#define EINJ_PROCESSOR_APIC_VALID                                       BIT0
+#define EINJ_MEMORY_ADDRESS_VALID                                       BIT1
+#define EINJ_PCIE_SBDF_VALID                                            BIT2
+
+//CPER
+#define EFI_GENERIC_ERROR_PROC_TYPE_ARM                                 0x02
+
+#define EFI_GENERIC_ERROR_PROC_ISA_ARM32                                0x03
+#define EFI_GENERIC_ERROR_PROC_ISA_ARM64                                0x04
+
+///
+/// EINJ Table
+///
+
+
+typedef struct {
+  EFI_ACPI_6_0_ERROR_INJECTION_TABLE_HEADER        EinjTableHeader;
+  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY    EinjInstructionEntry[EINJ_ACTION_NO];
+} EINJ_TABLE;
+
+typedef struct {
+  EFI_ACPI_6_0_EINJ_TRIGGER_ACTION_TABLE           TriggerErrorHeader;
+  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY    ErrorInstructionEntry[EINJ_TRIGGER_ERROR_ACTION_NO];
+} EINJ_TRIGGER_ERROR_ACTION;
+
+typedef struct {
+  UINT32 Reserved: 8;
+  UINT32 Function: 3;
+  UINT32 Device: 5;
+  UINT32 PrimaryOrDeviceBus: 8;
+  UINT32 Segment: 8;
+} EINJ_PCIE_SBDF;
+
+typedef struct {
+  UINT32         ErrorType;
+  UINT32         VendorErrorTypeOffset;
+  UINT32         Flags;
+  UINT32         ApicId;
+  UINT64         MemAddress;
+  UINT64         MemAddressRange;
+  EINJ_PCIE_SBDF PcieSBDF;
+} EINJ_SET_ERROR_TYPE_WITH_ADDRESS;
+
+typedef struct {
+  UINT32 Length;
+  UINT32 SBDF;
+  UINT16 VendorId;
+  UINT16 DeviceId;
+  UINT8  RevId;
+  UINT8  Reserved[3];
+} EINJ_VENDOR_ERROR_TYPE;
+
+typedef struct {
+  UINT64                           OperationBegin;
+  UINT64                           ErrorType;
+  UINT64                           ErrorCapabilities;// TODO: modified to uint32
+  UINT64                           BusyStatus;
+  UINT64                           CommandStatus;
+  UINT64                           Timming;
+  EINJ_TRIGGER_ERROR_ACTION        *TriggerErrorActionTablePtr;
+  EINJ_SET_ERROR_TYPE_WITH_ADDRESS ErrorTypeWithAddress;
+  EINJ_VENDOR_ERROR_TYPE           VendorErrorTypeExtension;
+  EINJ_TRIGGER_ERROR_ACTION        TriggerErrorActionTable;
+} EINJ_DATA_STRUCTURE;
+
+// V2
+typedef struct _EINJ_CONTEXT {
+  EINJ_TABLE                                    *EINJ;         // pointer to EINJ header
+  EINJ_DATA_STRUCTURE                           *EinjData;
+  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY *GetErrorTypeEntry;// error injection capabilities
+  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY *ExecuteOperationEntry;
+} EINJ_CONTEXT;
+
+
+EFI_STATUS
+InitEinjTable(VOID);
+// Version2
+EFI_STATUS
+EinjConfigErrorInjectCapability(
+  EINJ_CONTEXT  *Context,
+  UINT32        BitsSupportedErrorType
+);
+EFI_STATUS
+EinjHeaderCreator(
+  EINJ_CONTEXT  *Context
+);
+/***OEM***/
+EFI_STATUS
+OemInitEinjTable(VOID);
+EFI_STATUS
+OemEinjConfigExecuteOperationEntry(
+  EINJ_CONTEXT *Context
+);
+VOID
+EinjSetAcpiTable(
+  EINJ_CONTEXT *Context
+);
+
+
+#endif    // _EINJ_H_
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.c
new file mode 100644
index 0000000000..338f56c0a2
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.c
@@ -0,0 +1,320 @@
+/** @file
+*
+*  Copyright (c) 2018 Hisilicon Limited. All rights reserved.
+*
+*  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.
+*
+**/
+
+#include <Uefi/UefiBaseType.h>
+#include <Guid/Cper.h>
+#include "Ghes.h"
+
+#define READ_ACK_PRESERVE 0xFFFFFFFE
+#define READ_ACK_WRITE 0x1
+
+EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE*
+ErrorBlockInitial(
+  VOID   *Block,
+  UINT32 Severity
+)
+{
+  EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE* BlockHeader = Block;
+  BlockHeader->BlockStatus = (EFI_ACPI_6_1_ERROR_BLOCK_STATUS) {0, 0, 0, 0, 0};
+  BlockHeader->RawDataOffset = 0;
+  BlockHeader->RawDataLength = 0;
+  BlockHeader->DataLength = 0;//sizeof(EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE);
+  BlockHeader->ErrorSeverity = Severity;
+  return BlockHeader;
+}
+
+
+BOOLEAN
+ErrorBlockUpdateStatusStructure(
+  VOID *ErrorBlock
+)
+{
+  if (ErrorBlock == NULL) {
+    return FALSE;
+  }
+  IN EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE *BlockHeader =  ErrorBlock;
+  VOID *EntriesBegin = ErrorBlock + sizeof(EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE);
+  if (BlockHeader->BlockStatus.ErrorDataEntryCount == 0) {
+    //memset(EntriesBegin, 0, BlockHeader->DataLength);
+    gBS->SetMem(EntriesBegin, BlockHeader->DataLength, 0);
+    BlockHeader->RawDataLength = 0;
+    BlockHeader->RawDataOffset = 0;
+    BlockHeader->DataLength = 0;
+  }
+  return TRUE;
+}
+
+
+BOOLEAN
+ErrorBlockAddErrorData(
+  IN VOID                  *ErrorBlock,
+  IN UINT32                MaxBlockLength,
+  IN EFI_CPER_SECTION_TYPE TypeOfErrorData,
+  IN VOID                  *GenericErrorData,
+  IN UINT32                SizeOfGenericErrorData,
+  IN ERROR_SEVERITY        ErrorSeverity,
+  IN BOOLEAN               Correctable
+)
+{
+  if (ErrorBlock == NULL || GenericErrorData == NULL) {
+    DEBUG ((DEBUG_ERROR, "[%a]:[%dL]Invalid Param \n", __FUNCTION__, __LINE__));
+    return FALSE;
+  }
+  EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE*  Entry;
+  EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE* BlockHeader = ErrorBlock;
+  EFI_ACPI_6_1_ERROR_BLOCK_STATUS* BlockStatus = &BlockHeader->BlockStatus;
+  (VOID)ErrorBlockUpdateStatusStructure(ErrorBlock);
+  UINT32 ExpectedNewDataLength = BlockHeader->DataLength + sizeof(EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE) + SizeOfGenericErrorData;
+  if (sizeof(EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE) + ExpectedNewDataLength > MaxBlockLength) {
+    DEBUG ((DEBUG_ERROR, "[%a]:[%dL]Out of BlockSize \n", __FUNCTION__, __LINE__));
+    return FALSE;
+  }
+  // guid
+  EFI_GUID Guid;
+  switch (TypeOfErrorData) {
+    case PROCESSOR_GENERIC:
+      Guid = (EFI_GUID)EFI_ERROR_SECTION_PROCESSOR_GENERIC_GUID;
+      break;
+    case PROCESSOR_ARM:
+      Guid = (EFI_GUID)EFI_ERROR_SECTION_PROCESSOR_SPECIFIC_ARM_GUID;
+      break;
+    case PLATFORM_MEMORY:
+      Guid = (EFI_GUID)EFI_ERROR_SECTION_PLATFORM_MEMORY_GUID;
+      break;
+    case PLATFORM_MEMORY2:
+      Guid = (EFI_GUID)EFI_ERROR_SECTION_PLATFORM_MEMORY2_GUID;
+      break;
+    case PCIE_EXPRESS:
+      Guid = (EFI_GUID)EFI_ERROR_SECTION_PCIE_GUID;
+      break;
+    case FIRMWARE_ERROR:
+      Guid = (EFI_GUID)EFI_ERROR_SECTION_FW_ERROR_RECORD_GUID;
+      break;
+    case PCI_BUS:
+      Guid = (EFI_GUID)EFI_ERROR_SECTION_PCI_PCIX_BUS_GUID;
+      break;
+    case PCI_COMPONENT:
+      Guid = (EFI_GUID)EFI_ERROR_SECTION_PCI_DEVICE_GUID;
+      break;
+    default:
+      return FALSE;
+  }
+  //Block Status
+  if (Correctable == TRUE) {
+    if (BlockStatus->CorrectableErrorValid == 0) {
+      BlockStatus->CorrectableErrorValid = 1;
+    } else {
+      BlockStatus->MultipleCorrectableErrors = 1;
+    }
+  } else {
+    if (BlockStatus->UncorrectableErrorValid == 0) {
+      BlockStatus->UncorrectableErrorValid = 1;
+    } else {
+      BlockStatus->MultipleUncorrectableErrors = 1;
+    }
+  }
+  BlockStatus->ErrorDataEntryCount++;
+  // Entry
+  Entry = (EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE*)(ErrorBlock + sizeof(EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE) + BlockHeader->DataLength);
+  gBS->SetMem(Entry, sizeof(EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE), 0);
+  gBS->CopyMem(&Entry->SectionType, &Guid, sizeof(EFI_GUID));
+  Entry->ErrorSeverity = ErrorSeverity;
+  Entry->Revision = EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_REVISION;
+  Entry->ErrorDataLength = SizeOfGenericErrorData;
+  VOID*  GenericErrorDataFollowEntry = (VOID*)Entry + sizeof(EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE);
+  gBS->CopyMem(GenericErrorDataFollowEntry, GenericErrorData, SizeOfGenericErrorData);
+  // BlockHeader
+  BlockHeader->RawDataOffset = 0;
+  BlockHeader->RawDataLength = 0;
+  BlockHeader->DataLength = ExpectedNewDataLength;
+  return TRUE;
+}
+
+VOID
+GhesV2Initial(
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE *GhesV2,
+  UINT32                                                         BlockLength
+)
+{
+  if (GhesV2 == NULL) {
+    return;
+  }
+  *GhesV2 = (EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE) {
+    .Type = EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_VERSION_2,
+    .SourceId = 0,
+    .RelatedSourceId = 0xFFFF,
+    .Flags = 0,
+    .Enabled = 1,
+    .NumberOfRecordsToPreAllocate = 1,//ERROR BLOCK
+    .MaxSectionsPerRecord = 1,// Num Entries(section)
+    .MaxRawDataLength = BlockLength, // Max Size Of a Raw Data
+    .ErrorStatusAddress = {
+      .AddressSpaceId = EFI_ACPI_6_1_SYSTEM_MEMORY,
+      .RegisterBitWidth = 64,
+      .RegisterBitOffset = 0,
+      .AccessSize = EFI_ACPI_6_1_QWORD,
+      .Address = 0
+    },
+    .NotificationStructure = {
+      .Type = EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_GSIV,
+      .Length = sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE),
+      .ConfigurationWriteEnable = {0, 0, 0, 0, 0, 0, 0} ,
+      .PollInterval = 0,
+      .Vector = 0,
+      .SwitchToPollingThresholdValue = 0,
+      .SwitchToPollingThresholdWindow = 0,
+      .ErrorThresholdValue = 0,
+      .ErrorThresholdWindow = 0
+    },
+    .ErrorStatusBlockLength = BlockLength,
+    .ReadAckRegister = {
+      .AddressSpaceId = EFI_ACPI_6_1_SYSTEM_MEMORY,
+      .RegisterBitWidth = 64,
+      .RegisterBitOffset = 0,
+      .AccessSize = EFI_ACPI_6_1_QWORD,
+      .Address = 0
+    },
+    .ReadAckPreserve = READ_ACK_PRESERVE,
+    .ReadAckWrite = READ_ACK_WRITE
+  };
+  return;
+}
+
+VOID
+GhesV2AddNotification(
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *This,
+  UINT8                                                           Type
+)
+{
+  This->NotificationStructure = (EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_STRUCTURE) {
+    .Type = Type,
+    .Length = sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE),
+    .ConfigurationWriteEnable = {
+      .Type = 0,
+      .PollInterval = 1,
+      .SwitchToPollingThresholdValue = 1,
+      .SwitchToPollingThresholdWindow = 1,
+      .ErrorThresholdValue = 1,
+      .ErrorThresholdWindow = 1
+    },
+    .PollInterval = 20,
+    .Vector = 0,
+    .SwitchToPollingThresholdValue = 0,
+    .SwitchToPollingThresholdWindow = 0,
+    .ErrorThresholdValue = 0,
+    .ErrorThresholdWindow = 0
+  };
+  return;
+}
+
+EFI_STATUS
+GhesV2LinkErrorBlock(
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE *GhesV2,
+  GHES_REGISTER                                                  *Register,
+  VOID                                                           *ErrorBlock
+)
+{
+  if (ErrorBlock == NULL || Register == NULL || GhesV2 == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  Register->ErrorStatusBlockAddress = (UINTN)ErrorBlock;
+  GhesV2->ErrorStatusAddress.Address = (UINTN) & (Register->ErrorStatusBlockAddress);
+  Register->AckRegister = READ_ACK_WRITE;
+  GhesV2->ReadAckRegister.Address = (UINT64) & (Register->AckRegister);
+  return EFI_SUCCESS;
+}
+
+
+VOID GhesV1Initial(
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *GhesV1,
+  UINT32 BlockLength
+)
+{
+  if (GhesV1 == NULL) {
+    return;
+  }
+  *GhesV1 = (EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE) {
+    .Type = EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR,
+    .SourceId = 0,
+    .RelatedSourceId = 0xFFFF,
+    .Flags = 0,
+    .Enabled = 1,
+    .NumberOfRecordsToPreAllocate = 1,//ERROR BLOCK
+    .MaxSectionsPerRecord = 1,// Num Entries(section)
+    .MaxRawDataLength = BlockLength, // Max Size Of a Raw Data
+    .ErrorStatusAddress = {
+      .AddressSpaceId = EFI_ACPI_6_1_SYSTEM_MEMORY,
+      .RegisterBitWidth = 64,
+      .RegisterBitOffset = 0,
+      .AccessSize = EFI_ACPI_6_1_QWORD,
+      .Address = 0
+    },
+    .NotificationStructure = {
+      .Type = EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_GSIV,
+      .Length = sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE),
+      .ConfigurationWriteEnable = {0, 0, 0, 0, 0, 0, 0},
+      .PollInterval = 0,
+      .Vector = 0,
+      .SwitchToPollingThresholdValue = 0,
+      .SwitchToPollingThresholdWindow = 0,
+      .ErrorThresholdValue = 0,
+      .ErrorThresholdWindow = 0
+    },
+    .ErrorStatusBlockLength = BlockLength,
+  };
+  return;
+}
+
+VOID
+GhesV1AddNotification(
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *This,
+  UINT8                                                Type
+)
+{
+  This->NotificationStructure = (EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_STRUCTURE) {
+    .Type = Type,
+    .Length = sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE),
+    .ConfigurationWriteEnable = {
+      .Type = 0,
+      .PollInterval = 1,
+      .SwitchToPollingThresholdValue = 1,
+      .SwitchToPollingThresholdWindow = 1,
+      .ErrorThresholdValue = 1,
+      .ErrorThresholdWindow = 1
+    },
+    .PollInterval = 20,
+    .Vector = 0,
+    .SwitchToPollingThresholdValue = 0,
+    .SwitchToPollingThresholdWindow = 0,
+    .ErrorThresholdValue = 0,
+    .ErrorThresholdWindow = 0
+  };
+  return;
+}
+
+EFI_STATUS GhesV1LinkErrorBlock(
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *This,
+  UINT64                                               *ptrBlockAddress,
+  VOID                                                 *ErrorBlock
+)
+{
+  if (ErrorBlock == NULL || ptrBlockAddress == NULL || This == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+  *ptrBlockAddress = (UINTN)ErrorBlock;
+  This->ErrorStatusAddress.Address = (UINTN) ptrBlockAddress;
+  return EFI_SUCCESS;
+}
+
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.h
new file mode 100644
index 0000000000..20d9e55e7f
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.h
@@ -0,0 +1,100 @@
+
+#ifndef GENERIC_HARDWARE_ERROR_SOURCE
+#define GENERIC_HARDWARE_ERROR_SOURCE
+#include "Apei.h"
+
+
+typedef struct {
+  UINT64 AckRegister;
+  UINT64 ErrorStatusBlockAddress;
+} GHES_REGISTER;
+
+typedef enum {
+  PROCESSOR_GENERIC   = 0,
+  PROCESSOR_IA32_X64  = 1,
+  PROCESSOR_IPF       = 2,
+  PROCESSOR_ARM       = 3,
+  PLATFORM_MEMORY     = 4,
+  PLATFORM_MEMORY2    = 5,
+  PCIE_EXPRESS        = 6,
+  FIRMWARE_ERROR      = 7,
+  PCI_BUS             = 8,
+  PCI_COMPONENT       = 9
+} EFI_CPER_SECTION_TYPE;
+typedef enum {
+  RECOVERABLE = 0,
+  FATAL = 1,
+  CORRECTED = 2,
+  NONE = 3
+} ERROR_SEVERITY;
+#define ERROR_SEVERITY_RECOVERABLE 0
+#define ERROR_SEVERITY_FATAL       1
+#define ERROR_SEVERITY_CORRECTED   2
+#define ERROR_SEVERITY_NONE        3
+
+EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE*
+ErrorBlockInitial(
+  VOID   *Block,
+  UINT32 Severity
+);
+BOOLEAN ErrorBlockAddErrorData (
+  IN VOID                  *ErrorBlock,
+  IN UINT32                MaxBlockLength,
+  IN EFI_CPER_SECTION_TYPE TypeOfErrorData,
+  IN VOID                  *GenericErrorData,
+  IN UINT32                SizeOfGenericErrorData,
+  IN ERROR_SEVERITY        ErrorSeverity,
+  IN BOOLEAN               Correctable
+);
+BOOLEAN ErrorBlockAddErrorData (
+  IN VOID                  *ErrorBlock,
+  IN UINT32                MaxBlockLength,
+  IN EFI_CPER_SECTION_TYPE TypeOfErrorData,
+  IN VOID                  *GenericErrorData,
+  IN UINT32                SizeOfGenericErrorData,
+  IN ERROR_SEVERITY        ErrorSeverity,
+  IN BOOLEAN               Correctable
+);
+
+VOID
+GhesV2Initial (
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *GhesV2,
+  UINT32                                                          BlockLength
+);
+
+/**
+@param type - one of HARDWARE_ERROR_NOTIFICATION Type, GSIV For ARM,and SCI for X86,
+              Notice: Windows OS hadn't support to GSIV, 20171026
+*/
+VOID
+GhesV2AddNotification (
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *This,
+  UINT8                                                           Type
+);
+
+
+EFI_STATUS
+GhesV2LinkErrorBlock (
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE *GhesV2,
+  GHES_REGISTER                                                  *Register,
+  VOID                                                           *ErrorBlock
+);
+VOID
+GhesV1Initial (
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *GhesV1,
+  UINT32                                               BlockLength
+);
+VOID
+GhesV1AddNotification (
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *This,
+  UINT8                                                Type
+);
+EFI_STATUS
+GhesV1LinkErrorBlock (
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *This,
+  UINT64                                               *ptrBlockAddress,
+  VOID                                                 *ErrorBlock
+);
+
+
+#endif
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.c
new file mode 100644
index 0000000000..514a259a54
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.c
@@ -0,0 +1,379 @@
+/** @file
+*
+*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
+*
+*  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.
+*
+**/
+#include "erst.h"
+#include <Guid/Cper.h>
+
+typedef struct {
+  EFI_ACPI_6_1_ERROR_RECORD_SERIALIZATION_TABLE_HEADER ErstTableHeader;
+  EFI_ACPI_6_1_ERST_SERIALIZATION_INSTRUCTION_ENTRY    ErstInstructionEntry[ERST_ACTION_NO];
+} ERST_TABLE;
+
+ERST_TABLE mErst = {
+  {
+    ARM_ACPI_HEADER(
+      EFI_ACPI_6_0_ERROR_RECORD_SERIALIZATION_TABLE_SIGNATURE,
+      EFI_ACPI_6_0_ERROR_RECORD_SERIALIZATION_TABLE_HEADER,
+      EFI_ACPI_6_0_ERROR_RECORD_SERIALIZATION_TABLE_REVISION
+    ),
+    sizeof(EFI_ACPI_6_0_ERROR_RECORD_SERIALIZATION_TABLE_HEADER),
+    {
+      0x0,
+      0x0,
+      0x0,
+      0x0
+    },
+    ERST_ACTION_NO,
+  },
+  {
+    {
+      // 0 EFI_ACPI_6_0_ERST_BEGIN_WRITE_OPERATION
+      EFI_ACPI_6_0_ERST_BEGIN_WRITE_OPERATION,
+      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      ERST_BEGIN_WRITE_VALUE,
+      ERST_BEGIN_WRITE_MASK
+    },
+    {
+      // 1 EFI_ACPI_6_0_ERST_BEGIN_READ_OPERATION
+      EFI_ACPI_6_0_ERST_BEGIN_READ_OPERATION,
+      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      ERST_BEGIN_READ_VALUE,
+      ERST_BEGIN_READ_MASK
+    },
+    {
+      // 2 EFI_ACPI_6_0_ERST_BEGIN_CLEAR_OPERATION
+      EFI_ACPI_6_0_ERST_BEGIN_CLEAR_OPERATION,
+      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      ERST_BEGIN_CLEAR_VALUE,
+      ERST_BEGIN_CLEAR_MASK
+    },
+    {
+      // 3 EFI_ACPI_6_0_ERST_END_OPERATION
+      EFI_ACPI_6_0_ERST_END_OPERATION,
+      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
+      EFI_ACPI_6_0_ERST_PRESERVE_REGISTER,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      ERST_END_OPERATION_VALUE,
+      ERST_END_OPERATION_MASK
+    },
+    {
+      // 4 EFI_ACPI_6_0_ERST_SET_RECORD_OFFSET
+      EFI_ACPI_6_0_ERST_SET_RECORD_OFFSET,
+      EFI_ACPI_6_0_ERST_WRITE_REGISTER,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      ERST_MASK
+    },
+    {
+      // 5 EFI_ACPI_6_0_ERST_EXECUTE_OPERATION
+      EFI_ACPI_6_0_ERST_EXECUTE_OPERATION,
+      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_DWORD,
+        0x94730000
+      },
+      0x0002,
+      0x0002
+    },
+    {
+      // 6 EFI_ACPI_6_0_ERST_CHECK_BUSY_STATUS
+      EFI_ACPI_6_0_ERST_CHECK_BUSY_STATUS,
+      EFI_ACPI_6_0_ERST_READ_REGISTER_VALUE,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0x00000001,
+      0x00000001
+    },
+    {
+      // 7 EFI_ACPI_6_0_ERST_GET_COMMAND_STATUS
+      EFI_ACPI_6_0_ERST_GET_COMMAND_STATUS,
+      EFI_ACPI_6_0_ERST_READ_REGISTER,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      ERST_MASK
+    },
+    {
+      // 8 EFI_ACPI_6_0_ERST_GET_RECORD_IDENTIFIER
+      EFI_ACPI_6_0_ERST_GET_RECORD_IDENTIFIER,
+      EFI_ACPI_6_0_ERST_READ_REGISTER,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      ERST_MASK
+    },
+    {
+      // 9 EFI_ACPI_6_0_ERST_SET_RECORD_IDENTIFIER
+      EFI_ACPI_6_0_ERST_SET_RECORD_IDENTIFIER,
+      EFI_ACPI_6_0_ERST_WRITE_REGISTER,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      ERST_MASK
+    },
+    {
+      // A EFI_ACPI_6_0_ERST_GET_RECORD_COUNT
+      EFI_ACPI_6_0_ERST_GET_RECORD_COUNT,
+      EFI_ACPI_6_0_ERST_READ_REGISTER,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      ERST_MASK
+    },
+    {
+      // B EFI_ACPI_6_0_ERST_BEGIN_DUMMY_WRITE_OPERATION
+      EFI_ACPI_6_0_ERST_BEGIN_DUMMY_WRITE_OPERATION,
+      EFI_ACPI_6_0_ERST_WRITE_REGISTER,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      ERST_MASK
+    },
+    {
+      // C RESERVED
+      0x0C,
+      EFI_ACPI_6_0_ERST_WRITE_REGISTER,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      ERST_MASK
+    },
+    {
+      // D EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE
+      EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE,
+      EFI_ACPI_6_0_ERST_READ_REGISTER,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      ERST_MASK
+    },
+    {
+      // E EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE_LENGTH
+      EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE_LENGTH,
+      EFI_ACPI_6_0_ERST_READ_REGISTER,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      ERST_MASK
+    },
+    {
+      // F EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE_ATTRIBUTES
+      EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE_ATTRIBUTES,
+      EFI_ACPI_6_0_ERST_READ_REGISTER,
+      0,
+      0,
+      {
+        EFI_ACPI_6_0_SYSTEM_MEMORY,
+        64,
+        0,
+        EFI_ACPI_6_0_QWORD,
+        0
+      },
+      0,
+      ERST_MASK
+    }
+  }
+};
+
+VOID
+ErstSetAcpiTable (
+  ERST_BOOT_CONTEXT *Context
+)
+{
+  UINTN                     AcpiTableHandle;
+  EFI_STATUS                Status;
+  UINT8                     Checksum;
+  mErst.ErstTableHeader.Header.Length = sizeof (ERST_TABLE);
+  Checksum = CalculateCheckSum8((UINT8*)(&mErst), mErst.ErstTableHeader.Header.Length);
+  mErst.ErstTableHeader.Header.Checksum = Checksum;
+  AcpiTableHandle = 0;
+  Status = mAcpiTableProtocol->InstallAcpiTable (
+             mAcpiTableProtocol,
+             &mErst,
+             mErst.ErstTableHeader.Header.Length,
+             &AcpiTableHandle
+             );
+  ASSERT_EFI_ERROR (Status) ;
+}
+
+EFI_STATUS
+ErstHeaderCreator (
+  ERST_BOOT_CONTEXT  *Context,
+  UINT64             BufferSize,//ERST_DATASTORE_SIZE
+  VOID               *NvRamAddrRange,
+  UINT64             NvRamAllRecordLength,
+  UINT64             NvRamAddrRangeLength
+)
+{
+  EFI_STATUS            Status = EFI_SUCCESS;
+  ERST_RT_CONTEXT       *ErstRtCtx;
+  //
+  ErstRtCtx = AllocateReservedZeroPool (sizeof (ERST_RT_CONTEXT));
+  ErstRtCtx->Operation = ERST_END_OPERATION;
+  ErstRtCtx->RecordOffset = 0;
+  ErstRtCtx->BusyStatus = 0;
+  ErstRtCtx->CommandStatus = 0;
+  ErstRtCtx->KeyRecordId = 0;
+  ErstRtCtx->MaxTimeOfExecuteOperation = (UINT64)(-1);
+  ErstRtCtx->RecordCount = 0;
+  ErstRtCtx->ErrorLogAddressRange = (UINT64) AllocateReservedZeroPool (BufferSize);
+  ErstRtCtx->ErrorLogAddressRangeLength = BufferSize;
+  ErstRtCtx->ErrorLogAttributes = 0;
+  ErstRtCtx->NvRamLogAddrRange = NvRamAddrRange;
+  ErstRtCtx->NvRamLogAddrRangeLength = NvRamAddrRangeLength;
+  ErstRtCtx->NvRamRecordOffset = 0;
+  ErstRtCtx->NvRamNextVallidRecordId = (UINT64)(-1);
+  ErstRtCtx->NvRamNextValidRecordOffset = 0;
+  ErstRtCtx->NvRamAllRecordLength = NvRamAllRecordLength;
+  mErst.ErstInstructionEntry[0].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->Operation));
+  mErst.ErstInstructionEntry[1].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->Operation));
+  mErst.ErstInstructionEntry[2].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->Operation));
+  mErst.ErstInstructionEntry[3].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->Operation));
+  mErst.ErstInstructionEntry[4].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->RecordOffset));
+  mErst.ErstInstructionEntry[6].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->BusyStatus));
+  mErst.ErstInstructionEntry[7].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->CommandStatus));
+  mErst.ErstInstructionEntry[8].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->NvRamNextVallidRecordId));
+  mErst.ErstInstructionEntry[9].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->KeyRecordId));
+  mErst.ErstInstructionEntry[10].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->RecordCount));
+  mErst.ErstInstructionEntry[11].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->DummyWrite));
+  mErst.ErstInstructionEntry[12].RegisterRegion.Address = 0;
+  mErst.ErstInstructionEntry[13].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->ErrorLogAddressRange));
+  mErst.ErstInstructionEntry[14].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->ErrorLogAddressRangeLength));
+  mErst.ErstInstructionEntry[15].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->ErrorLogAttributes));
+  Context->ErstHeader = (EFI_ACPI_6_1_ERROR_RECORD_SERIALIZATION_TABLE_HEADER*)&mErst;
+  Context->ExecuteOperationEntry = &(mErst.ErstInstructionEntry[5]);
+  Context->GetErrorLogAddrRangeAttributes = &(mErst.ErstInstructionEntry[15]);
+  Context->Rt = ErstRtCtx;
+  return Status;
+};
+
+VOID
+SetAttributeOfErrorLogAddressRange (
+  ERST_BOOT_CONTEXT  *Context,
+  UINT64             Attribute
+)
+{
+  Context->Rt->ErrorLogAttributes = Attribute & 0x7;
+  return;
+}
+
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.h
new file mode 100644
index 0000000000..1dfa4f4245
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.h
@@ -0,0 +1,145 @@
+/** @file
+*
+*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
+*
+*  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 _ERST_H_
+#define _ERST_H_
+
+#include "Apei.h"
+
+#define ERST_STATUS_SUCCESS                 EFI_ACPI_6_1_ERST_STATUS_SUCCESS
+#define ERST_STATUS_NOT_ENOUGH_SPACE        EFI_ACPI_6_1_ERST_STATUS_NOT_ENOUGH_SPACE
+#define ERST_STATUS_HARDWARE_NOT_AVAILABLE  EFI_ACPI_6_1_ERST_STATUS_HARDWARE_NOT_AVAILABLE
+#define ERST_STATUS_FAILED                  EFI_ACPI_6_1_ERST_STATUS_FAILED
+#define ERST_STATUS_RECORD_STORE_EMPTY      EFI_ACPI_6_1_ERST_STATUS_RECORD_STORE_EMPTY
+#define ERST_STATUS_RECORD_NOT_FOUND        EFI_ACPI_6_1_ERST_STATUS_RECORD_NOT_FOUND
+
+#define ERST_BEGIN_WRITE_VALUE              0x01
+#define ERST_BEGIN_WRITE_MASK               0xFFFFFFFFFFFFFFFF
+#define ERST_BEGIN_READ_VALUE               0x02
+#define ERST_BEGIN_READ_MASK                0xFFFFFFFFFFFFFFFF
+#define ERST_BEGIN_CLEAR_VALUE              0x03
+#define ERST_BEGIN_CLEAR_MASK               0xFFFFFFFFFFFFFFFF
+#define ERST_END_OPERATION_VALUE            0x04
+#define ERST_END_OPERATION_MASK             0xFFFFFFFFFFFFFFFF
+#define ERST_MASK                           0xFFFFFFFFFFFFFFFF
+
+#define ERST_BEGIN_WRITE_OPERATION          EFI_ACPI_6_1_ERST_BEGIN_WRITE_OPERATION
+#define ERST_BEGIN_READ_OPERATION           EFI_ACPI_6_1_ERST_BEGIN_READ_OPERATION
+#define ERST_BEGIN_CLEAR_OPERATION          EFI_ACPI_6_1_ERST_BEGIN_CLEAR_OPERATION
+#define ERST_END_OPERATION                  EFI_ACPI_6_1_ERST_END_OPERATION
+#define ERST_BEGIN_DUMMY_WRITE_OPERATION    EFI_ACPI_6_1_ERST_BEGIN_DUMMY_WRITE_OPERATION
+
+#define ERST_ACTION_NO                      16
+
+#define ERST_RECORD_FREE                    0x00
+#define ERST_RECORD_INUSE                   0x01
+
+#define ERST_RECORD_STORE_IN_NVRAM          0
+#define ERST_RECORD_STORE_IN_MEM            1
+#define ERST_RECORD_STORE_IN_SPI_FLASH      2
+
+#define ERST_LOG_ATTR_NVRAM                 0x02
+
+typedef struct {
+  UINT64 OperationId;
+  UINT64 RecordOffset;
+  UINT64 BusyStatus;
+  UINT64 CommandStatus;
+  UINT64 GetRecordId;
+  UINT64 SetRecordId;
+  UINT64 RecordCount;
+  UINT64 DummyWrite;
+  UINT64 Reserved;
+  UINT64 ErrorLogAddrRange;
+  UINT64 ErrorLogAddrRangeLength;
+  UINT64 ErrorLogAttributes;
+  UINT64 NvRamLogAddrNext;
+  UINT64 NvRamLogSizeRemain;
+} ERST_DATA_STRUCTURE;
+
+typedef struct {
+  UINT16 Signature;
+  UINT16 Data0;
+  UINT16 Data1;
+  UINT8  Data2;
+  UINT8  Attributes; //0: free
+} ERST_ERROR_RECORD_INFO;
+
+///
+/// ERST Table
+///
+
+
+
+typedef struct _ERST_CONTEXT {
+  UINT64 Operation;                 // WRITE,READ,CLEAR,END,
+  UINT64 DummyWrite;//DUMMY_WRITE_OPEATION
+  UINT64 RecordOffset;              // Offset form the buffer(error log  adress range)
+  UINT32 BusyStatus;
+  UINT32 CommandStatus;
+  UINT64 KeyRecordId;              //OS Set the Record ID To Read/Write/Search
+  UINT64 MaxTimeOfExecuteOperation;
+  UINT64 RecordCount;              // Num of Record In NVRAM
+  UINT64 ErrorLogAddressRange;     // Address Of Range Top
+  UINT64 ErrorLogAddressRangeLength;     // Address Of Range Top
+  UINT64 ErrorLogAttributes;
+  VOID   *NvRamLogAddrRange;
+  UINT64 NvRamLogAddrRangeLength;
+  UINT64 NvRamRecordOffset;
+  UINT64 NvRamNextVallidRecordId;    //Get RecordId entry
+  UINT64 NvRamNextValidRecordOffset;
+  UINT64 NvRamAllRecordLength;
+} ERST_RT_CONTEXT;
+
+typedef struct _ERST_BOOT_CONTEXT {
+  EFI_ACPI_6_1_ERROR_RECORD_SERIALIZATION_TABLE_HEADER *ErstHeader;
+  EFI_ACPI_6_1_ERST_SERIALIZATION_INSTRUCTION_ENTRY    *ExecuteOperationEntry;
+  EFI_ACPI_6_1_ERST_SERIALIZATION_INSTRUCTION_ENTRY    *GetErrorLogAddrRangeAttributes;
+  ERST_RT_CONTEXT                                      *Rt;
+} ERST_BOOT_CONTEXT;
+
+extern EFI_ACPI_TABLE_PROTOCOL              *mAcpiTableProtocol;
+extern APEI_TRUSTFIRMWARE_STRUCTURE         *mApeiTrustfirmwareStruc;
+
+EFI_STATUS
+ErstHeaderCreator(
+  ERST_BOOT_CONTEXT  *Context,
+  UINT64             BufferSize,//ERST_DATASTORE_SIZE
+  VOID               *NvRamAddrRange,
+  UINT64             NvRamAllRecordLength,
+  UINT64             NvRamAddrRangeLength
+);
+
+VOID
+SetAttributeOfErrorLogAddressRange (
+  ERST_BOOT_CONTEXT  *Context,
+  UINT64             Attribute
+);
+
+/***OEM***/
+EFI_STATUS
+OemInitErstTable (VOID);
+
+EFI_STATUS
+OemErstConfigExecuteOperationEntry (
+  ERST_BOOT_CONTEXT *Context
+);
+
+VOID
+ErstSetAcpiTable (
+  ERST_BOOT_CONTEXT *Context
+);
+
+
+#endif    // _ERST_H_
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.c
new file mode 100644
index 0000000000..76296de95d
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.c
@@ -0,0 +1,98 @@
+#include "ErrorSource/Ghes.h"
+#include "hest.h"
+
+EFI_STATUS HestAddErrorSourceDescriptor (
+  IN OUT HEST_CONTEXT  *Context,
+  IN VOID              *ErrorSourceDescriptor,
+  IN UINT32            SizeOfDescriptor
+)
+{
+  UINT16                                          *pSourceId;
+  VOID                                            *Descriptor;
+  EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER *HestHeader;
+
+  if ((Context == NULL) || (ErrorSourceDescriptor == NULL)) {
+    return EFI_INVALID_PARAMETER;
+  }
+  HestHeader = Context->HestHeader;
+  if (HestHeader->Header.Length + SizeOfDescriptor > Context->OccupiedMemorySize) {
+    DEBUG ((DEBUG_ERROR, "[%a]:[%dL]: Hest Size Too small\n", __FUNCTION__, __LINE__));
+    return EFI_BUFFER_TOO_SMALL;
+  }
+  Descriptor = (UINT8*)HestHeader + HestHeader->Header.Length;
+  gBS->CopyMem ((VOID*)Descriptor , ErrorSourceDescriptor, SizeOfDescriptor);
+  pSourceId = Descriptor + sizeof (UINT16);
+  *pSourceId = HestHeader->ErrorSourceCount;
+  HestHeader->Header.Length += SizeOfDescriptor;
+  HestHeader->ErrorSourceCount++;
+  Context->KeyErrorSource = Descriptor;
+  return EFI_SUCCESS;
+}
+
+VOID
+HestSetAcpiTable(
+  IN HEST_CONTEXT  *Context
+)
+{
+  UINTN                     AcpiTableHandle;
+  EFI_STATUS                Status;
+  UINT8                     Checksum;
+  EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER *HestHeader;
+  EFI_ACPI_SDT_HEADER       *Table;
+  EFI_ACPI_TABLE_VERSION    TableVersion;
+  UINTN                     TableKey;
+  UINT32                    i;
+  if (Context == NULL) {
+    DEBUG ((DEBUG_ERROR, "[%a]:[%dL]: ERROR\n", __FUNCTION__, __LINE__));
+    return;
+  }
+
+  HestHeader = Context->HestHeader;
+  Checksum = CalculateCheckSum8 ((UINT8*)(HestHeader),  HestHeader->Header.Length);
+  HestHeader->Header.Checksum = Checksum;
+  AcpiTableHandle = 0;
+  // see AcpiTableProtocol.c InstallAcpiTable
+  Status = mAcpiTableProtocol->InstallAcpiTable (
+                                  mAcpiTableProtocol,
+                                  HestHeader,
+                                  HestHeader->Header.Length,
+                                  &AcpiTableHandle);
+  for (i = 0; i < EFI_ACPI_MAX_NUM_TABLES; i++) {
+    Status = mAcpiSdtProtocol->GetAcpiTable (i, &Table, &TableVersion, &TableKey);
+    if (EFI_ERROR (Status)) {
+      break;
+    }
+    if (Table->Signature != EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_SIGNATURE) {
+      continue;
+    }
+    mApeiTrustfirmwareStruc->HestTableAddress = (EFI_PHYSICAL_ADDRESS)Table;
+    DEBUG ((DEBUG_ERROR, "Acpi HestSetAcpiTable Table = 0x%x.\n", (EFI_PHYSICAL_ADDRESS)Table));
+  }
+  DEBUG ((DEBUG_ERROR, "[%a]:[%dL]:OUT %llx, IN %llx \n", __FUNCTION__, __LINE__, AcpiTableHandle, Context->HestHeader));
+  // TBD free Hest Buffer
+  return;
+}
+
+EFI_STATUS
+HestHeaderCreator(
+  HEST_CONTEXT  *Context,
+  UINT32        PreAllocatedHestSize
+)
+{
+  DEBUG ((DEBUG_ERROR, "[%a]:[%dL]: \n", __FUNCTION__, __LINE__));
+  if (PreAllocatedHestSize < sizeof (EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER)) {
+    return EFI_BUFFER_TOO_SMALL;
+  }
+  Context->HestHeader = AllocateReservedZeroPool (PreAllocatedHestSize);
+  *Context->HestHeader = (EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER) {
+   ARM_ACPI_HEADER (
+      EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_SIGNATURE,
+      EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER,
+      EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_REVISION
+    ),
+    0x0
+  };
+  Context->KeyErrorSource = Context->HestHeader + 1;
+  Context->OccupiedMemorySize = PreAllocatedHestSize;
+  return EFI_SUCCESS;
+}
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.h
new file mode 100644
index 0000000000..09fe985025
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.h
@@ -0,0 +1,58 @@
+/** @file
+*
+*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
+*
+*  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 _HEST_H_
+#define _HEST_H_
+
+#include "Apei.h"
+
+
+typedef struct _HEST_CONTEXT {
+  EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER  *HestHeader;         // pointer to hest header
+  UINT32                                           OccupiedMemorySize; // allocated memory size for hest
+  VOID                                             *KeyErrorSource;     // key error source, valtile
+} HEST_CONTEXT;
+
+EFI_STATUS
+HestAddErrorSourceDescriptor (
+  IN OUT HEST_CONTEXT  *Context,
+  IN VOID              *ErrorSourceDescriptor,
+  IN UINT32            SizeOfDescriptor
+);
+VOID
+HestSetAcpiTable (
+  IN HEST_CONTEXT *Context
+);
+EFI_STATUS
+HestHeaderCreator (
+  HEST_CONTEXT  *Context,
+  UINT32        PreAllocatedHestSize
+);
+
+/**
+* OEM Interface declaration
+* 1.Interface is not realized default
+* 2.OEM should implement this interface
+*/
+extern
+VOID
+OemHestInitialNotification (VOID);
+
+extern
+EFI_STATUS
+OemInitHestTable(
+  IN EFI_HANDLE ImageHandle
+);
+
+#endif    // _HEST_H_
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.c
new file mode 100644
index 0000000000..3eb28b9549
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.c
@@ -0,0 +1,303 @@
+#include <Guid/Cper.h>
+#include <Uefi/UefiBaseType.h>
+#include "Bert/bert.h"
+#include "Einj/einj.h"
+#include "ErrorSource/Ghes.h"
+#include "Erst/erst.h"
+#include "Hest/hest.h"
+#include "OemApeiHi1620.h"
+
+VOID
+GpioCombInit (
+  UINTN  Base,
+  UINT32 Pin
+)
+{
+  UINT32 Val = MmioRead32 (Base + GPIO_INT_MASK);
+  MmioWrite32 (Base + GPIO_INT_MASK, Val | Pin);
+  Val = MmioRead32 (Base + GPIO_INT_EN);
+  MmioWrite32 (Base + GPIO_INT_EN, Val | Pin);
+  Val = MmioRead32 (Base + GPIO_SWPORT_DDR);
+  MmioWrite32 (Base + GPIO_SWPORT_DDR, Val & (~Pin));
+  Val = MmioRead32 (Base + GPIO_INT_TYPE);
+  MmioWrite32 (Base + GPIO_INT_TYPE, Val & (~Pin));
+  Val = MmioRead32 (Base + GPIO_INT_POLARITY);
+  MmioWrite32 (Base + GPIO_INT_POLARITY, Val | Pin);
+  Val = MmioRead32 (Base + GPIO_LS_SYNC);
+  MmioWrite32 (Base + GPIO_LS_SYNC, Val & (~Pin));
+  MmioWrite32 (Base + GPIO_INT_COMB, 1);
+  return;
+}
+/************************************************
+*************** HEST ***************
+************************************************/
+
+/*****************************************************************************
+* @param EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE* GhesV2,Vector of GhesV2
+* @param UINT8 NumOfGhesV2
+* @param_out
+* @retval EFI_STATUS
+*****************************************************************************/
+EFI_STATUS
+GhesV2ContextForHest (
+  IN EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE GhesV2[MAX_GHES],
+  IN UINT8                                                          NumOfGhesV2
+)
+{
+  // ensuce the size is expected
+  if ((GhesV2 == NULL) || (NumOfGhesV2 != MAX_GHES)) {
+    return EFI_INVALID_PARAMETER;
+  }
+  //current�� only  1 block per ghes is supported
+  UINT8  NumOfBlockPerGhes = 1;
+  UINT8  iter = 0;
+  UINT32 BlockMemorySize = MAX_GHES * (sizeof (GHES_REGISTER) + NumOfBlockPerGhes * GENERIC_HARDWARE_ERROR_BLOCK_SIZE);
+  UINT32 ErrorSeverityArray[MAX_GHES] = {ERROR_SEVERITY_RECOVERABLE, ERROR_SEVERITY_FATAL, ERROR_SEVERITY_CORRECTED};
+  VOID   *ErrorBlockHead;
+  VOID   *ErrorBlock;
+  VOID   *BlockMemory;
+  GHES_REGISTER  *GhesRegisters;
+  EFI_STATUS     Status = EFI_SUCCESS;
+  Status = gBS->AllocatePool (
+             EfiReservedMemoryType,
+             BlockMemorySize,
+             & BlockMemory
+           );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+  gBS->SetMem (
+    BlockMemory,
+    BlockMemorySize,
+    0
+    );
+  GhesRegisters = BlockMemory;
+  ErrorBlockHead = BlockMemory + MAX_GHES * sizeof (GHES_REGISTER);
+  ErrorBlock = ErrorBlockHead;
+  for (iter = 0; iter < MAX_GHES; iter++) {
+    GhesV2Initial (&GhesV2[iter], GENERIC_HARDWARE_ERROR_BLOCK_SIZE);
+    GhesV2AddNotification (&GhesV2[iter], EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_GSIV);
+    ErrorBlockInitial (ErrorBlock, ErrorSeverityArray[iter]);
+    GhesV2LinkErrorBlock (&GhesV2[iter], &GhesRegisters[iter], ErrorBlock);
+    ErrorBlock += GhesV2[iter].ErrorStatusBlockLength;
+  }
+  return EFI_SUCCESS;
+}
+/*****************************************************************************
+* @param EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE* GhesV2,Vector of GhesV2
+* @param UINT8 NumOfGhesV2
+* @param_out
+* @retval EFI_STATUS
+*****************************************************************************/
+
+EFI_STATUS
+GhesV1ContextForHest(
+  IN EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE GhesV1[MAX_GHES],
+  IN UINT8                                                NumOfGhesV1
+)
+{
+  // ensuce the size is expected
+  if ((GhesV1 == NULL) || (NumOfGhesV1 != MAX_GHES)) {
+    return EFI_INVALID_PARAMETER;
+  }
+  //current�� only  1 block per ghes is supported
+  UINT8      NumOfBlockPerGhes = 1;
+  UINT8      iter = 0;
+  UINT32     BlockMemorySize = MAX_GHES * (sizeof (UINT64) + NumOfBlockPerGhes * GENERIC_HARDWARE_ERROR_BLOCK_SIZE);
+  UINT32     ErrorSeverityArray[MAX_GHES] = {ERROR_SEVERITY_RECOVERABLE, ERROR_SEVERITY_FATAL, ERROR_SEVERITY_CORRECTED};
+  VOID       *ErrorBlockHead;
+  VOID       *ErrorBlock;
+  VOID       *BlockMemory;
+  UINT64     *ptrBlockAddress;
+  EFI_STATUS Status = EFI_SUCCESS;
+  Status = gBS->AllocatePool (
+             EfiReservedMemoryType,
+             BlockMemorySize,
+             & BlockMemory
+           );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+  gBS->SetMem (
+    BlockMemory,
+    BlockMemorySize,
+    0
+  );
+  ptrBlockAddress = BlockMemory;
+  ErrorBlockHead = BlockMemory + MAX_GHES * sizeof (UINT64);
+  ErrorBlock = ErrorBlockHead;
+  for (iter = 0; iter < MAX_GHES; iter++) {
+    GhesV1Initial (&GhesV1[iter], GENERIC_HARDWARE_ERROR_BLOCK_SIZE);
+    GhesV1AddNotification (&GhesV1[iter], EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_GSIV);
+    ErrorBlockInitial (ErrorBlock, ErrorSeverityArray[iter]);
+    GhesV1LinkErrorBlock (&GhesV1[iter], &ptrBlockAddress[iter], ErrorBlock);
+    ErrorBlock += GhesV1[iter].ErrorStatusBlockLength;
+  }
+  return EFI_SUCCESS;
+}
+
+VOID
+OemHestInitialNotification ()
+{
+  // GPIO init
+  // use int_msk to simulate
+  UINTN Base = IOMUX_REG_BASE;
+  //GPIO9, in document 'PhosphorV680 Totemiomux' iomg051,
+  //Set GPIO9 to pad_ex_int1
+  MmioWrite32(Base + IOMG051, PAD_EX_INT1);
+  return;
+}
+
+VOID
+OemEinjInitialNotification ()
+{
+  UINTN Base = IOMUX_REG_BASE;
+  //use TB_GPIO_PIN10 for EINJ
+  MmioWrite32 (Base + IOMG052, PAD_EX_INT1);
+  return;
+}
+
+EFI_STATUS
+OemInitHestTable(
+  IN EFI_HANDLE         ImageHandle
+)
+{
+  EFI_STATUS                                                     Status = EFI_SUCCESS;
+  HEST_CONTEXT                                                   HestContext;
+  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE GhesV2[MAX_GHES];
+  Status = HestHeaderCreator (&HestContext, HEST_TABLE_SIZE);
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+  Status = GhesV2ContextForHest(GhesV2, MAX_GHES);
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+  Status |= HestAddErrorSourceDescriptor (&HestContext, &GhesV2[0], sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE));
+  mApeiTrustfirmwareStruc->HestRecoverableErrorGhesV2 = HestContext.KeyErrorSource;
+  Status |= HestAddErrorSourceDescriptor (&HestContext, &GhesV2[1], sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE));
+  mApeiTrustfirmwareStruc->HestFatalErrorGhesV2 = HestContext.KeyErrorSource;
+  Status |= HestAddErrorSourceDescriptor (&HestContext, &GhesV2[2], sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE));
+  mApeiTrustfirmwareStruc->HestCorrectedErrorGhesV2 = HestContext.KeyErrorSource;
+  OemHestInitialNotification ();
+  HestSetAcpiTable (&HestContext);
+  return Status;
+}
+/************************************************
+*************** BERT ***************
+************************************************/
+
+EFI_STATUS
+OemInitBertTable (
+  IN EFI_HANDLE ImageHandle
+)
+{
+  BERT_CONTEXT Context;
+  BOOLEAN      Status;
+  Status = BertHeaderCreator (&Context, BOOT_ERROR_REGION_SIZE);
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+  ErrorBlockInitial (Context.Block, ERROR_SEVERITY_NONE);
+  BertSetAcpiTable (&Context);
+  DEBUG((DEBUG_ERROR, "[%a]:[%dL]: %r\n", __FUNCTION__, __LINE__, Status));
+  return EFI_SUCCESS;
+}
+/************************************************
+*************** EINJ ***************
+************************************************/
+EFI_STATUS
+OemEinjConfigExecuteOperationEntry (
+  EINJ_CONTEXT *Context
+)
+{
+  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY* KeyEntry = Context->ExecuteOperationEntry;
+  OemEinjInitialNotification ();
+  //use TB_GPIO_PIN10 for EINJ
+  KeyEntry->RegisterRegion.Address = PcdGet64 (PcdCpldBaseAddress) + CPLD_GPIO10_INT_OFFSET;
+  KeyEntry->Mask = CPLD_MASK;
+  KeyEntry->Value = CPLD_VALUE;
+  return EFI_SUCCESS;
+}
+
+EFI_STATUS
+OemInitEinjTable(
+)
+{
+  EFI_STATUS    Status;
+  EINJ_CONTEXT  Context;
+  Status = EinjHeaderCreator (&Context);
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+  (VOID)EinjConfigErrorInjectCapability (&Context, 0xFFF);// TBD
+  (VOID)OemEinjConfigExecuteOperationEntry (&Context);
+  EinjSetAcpiTable (&Context);
+  DEBUG((DEBUG_ERROR, "[%a]:[%dL]: %d\n", __FUNCTION__, __LINE__, Status));
+  return EFI_SUCCESS;
+}
+/************************************************
+*************** ERST ***************
+************************************************/
+
+EFI_STATUS
+OemErstConfigExecuteOperationEntry(
+  ERST_BOOT_CONTEXT *Context
+)
+{
+  EFI_ACPI_6_1_ERST_SERIALIZATION_INSTRUCTION_ENTRY *KeyEntry;
+  KeyEntry = Context->ExecuteOperationEntry;
+  KeyEntry->RegisterRegion.Address = GPIO1_BASE + GPIO_INT_MASK; //GPIO0_BASE + GPIO0_SWPORT_DR_OFFSET
+  KeyEntry->Value = 0x10;
+  KeyEntry->Mask = 0xFFFFFFFF;
+  GpioCombInit (GPIO1_BASE, 0xFFFF);
+  return EFI_SUCCESS;
+}
+
+BOOLEAN
+GetNvRamRegion(
+  OUT  VOID  **NvRamAddrRange,
+  OUT UINT64 *NvRamAddrRangeLength
+)
+{
+  /***TODO:
+  *1. Search ER Record In
+  *2. if found, return addr and length
+  *3. if not found, allocal new space for record
+  ***/
+  UINT32 Store = ERST_RECORD_STORE_IN_MEM;
+  switch (Store) {
+    case (ERST_RECORD_STORE_IN_NVRAM):
+      break;
+    case (ERST_RECORD_STORE_IN_MEM):
+      * NvRamAddrRangeLength = ERST_DATASTORE_SIZE;
+      * NvRamAddrRange = AllocateReservedZeroPool (ERST_DATASTORE_SIZE);// TODO should be real no-volatile ram
+      break;
+    case (ERST_RECORD_STORE_IN_SPI_FLASH):
+      break;
+    default:
+      ;
+  }
+  return TRUE;
+}
+
+/***OEM***/
+EFI_STATUS
+OemInitErstTable(
+)
+{
+  EFI_STATUS        Status = ERST_STATUS_SUCCESS;
+  ERST_BOOT_CONTEXT Context;
+  UINT64            BufferSize = ERST_DATASTORE_SIZE;
+  VOID              *NvRamAddrRange;
+  UINT64            NvRamAddrRangeLength;
+  UINT64            NvRamAllRecordLength;
+
+  GetNvRamRegion (&NvRamAddrRange, &NvRamAddrRangeLength);// TODO
+  NvRamAllRecordLength = 0; //TODO get length of exist records In NvRam
+  Status = ErstHeaderCreator (&Context, BufferSize , NvRamAddrRange,  NvRamAllRecordLength, NvRamAddrRangeLength);
+  OemErstConfigExecuteOperationEntry (&Context);
+  mApeiTrustfirmwareStruc->ErstContext = (VOID*)Context.Rt;
+  ErstSetAcpiTable (&Context);
+  return Status;
+};
diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.h
new file mode 100644
index 0000000000..0488bdc050
--- /dev/null
+++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.h
@@ -0,0 +1,28 @@
+#ifndef OEM_APEI_HI1620_H_H
+#define OEM_APEI_HI1620_H_H
+#define GPIO0_BASE             0x94100000
+#define GPIO1_BASE             0x94110000
+#define GPIO_INT_MASK          0x34
+#define GPIO_INT_EN            0x30
+#define GPIO_SWPORT_DDR        0x04
+#define GPIO_INT_TYPE          0x38
+#define GPIO_INT_POLARITY      0x3c
+#define GPIO_LS_SYNC           0x60
+#define GPIO_INT_COMB          0xffc
+#define IOMUX_REG_BASE         0x94190000
+#define IOMG051                0xCC
+#define IOMG052                0xD0
+#define PAD_EX_INT1            0x4
+#define CPLD_GPIO10_INT_OFFSET 0xfc
+#define CPLD_BASE_ADDR         0x80000000
+#define CPLD_MASK              0x01030000
+#define CPLD_VALUE             0x01020000
+
+#define MAX_GHES                          3
+#define GENERIC_HARDWARE_ERROR_BLOCK_SIZE 0x1000
+#define HEST_TABLE_SIZE                   0x2000
+#define BOOT_ERROR_REGION_SIZE            0x1000
+#define GPIO_HEST_NOTIFIED_PIN            BIT8
+
+#define ERST_DATASTORE_SIZE               0x2000
+#endif
-- 
2.17.0

_______________________________________________
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Re: [edk2] [PATCH edk2-platforms v1 30/38] Hisilicon/D06: add apei driver
Posted by Leif Lindholm 7 years, 6 months ago
On Tue, Jul 24, 2018 at 03:09:14PM +0800, Ming Huang wrote:
> From: Luqi Jiang <jiangluqi@huawei.com>
> 
> This driver provide a means for the platform to
> convey error information to OSPM.
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Luqi Jiang <jiangluqi@huawei.com>
> Signed-off-by: Ming Huang <ming.huang@linaro.org>
> Signed-off-by: Heyi Guo <heyi.guo@linaro.org>
> ---
>  Platform/Hisilicon/D06/D06.dsc                           |   1 +
>  Platform/Hisilicon/D06/D06.fdf                           |   1 +
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.c             |  92 +++++
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.h             |  48 +++
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf           |  63 ++++
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.c        |  86 +++++
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.h        |  42 +++
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.c        | 326 +++++++++++++++++
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h        | 154 ++++++++
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.c | 320 +++++++++++++++++
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.h | 100 ++++++
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.c        | 379 ++++++++++++++++++++
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.h        | 145 ++++++++
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.c        |  98 +++++
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.h        |  58 +++
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.c    | 303 ++++++++++++++++
>  Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.h    |  28 ++
>  17 files changed, 2244 insertions(+)
> 
> diff --git a/Platform/Hisilicon/D06/D06.dsc b/Platform/Hisilicon/D06/D06.dsc
> index 28dd7926f4..0a7681915c 100644
> --- a/Platform/Hisilicon/D06/D06.dsc
> +++ b/Platform/Hisilicon/D06/D06.dsc
> @@ -344,6 +344,7 @@
>    Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/AcpiTablesHi1620.inf
>    Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
>  
> +  Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf
>    Silicon/Hisilicon/Hi1620/Pptt/Pptt.inf
>    #
>    # Usb Support
> diff --git a/Platform/Hisilicon/D06/D06.fdf b/Platform/Hisilicon/D06/D06.fdf
> index ec424d49ed..264f717d9d 100644
> --- a/Platform/Hisilicon/D06/D06.fdf
> +++ b/Platform/Hisilicon/D06/D06.fdf
> @@ -251,6 +251,7 @@ READ_LOCK_STATUS   = TRUE
>  
>    INF RuleOverride=ACPITABLE Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/AcpiTablesHi1620.inf
>    INF Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
> +  INF Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf
>  
>    INF Silicon/Hisilicon/Hi1620/Pptt/Pptt.inf
>  
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.c
> new file mode 100644
> index 0000000000..1b108c9881
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.c
> @@ -0,0 +1,92 @@
> +/** @file
> +*
> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
> +*
> +*  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.
> +*
> +**/
> +#include <Library/OemConfigData.h>
> +#include <Library/UefiRuntimeServicesTableLib.h>
> +#include "Apei.h"
> +#include "Bert/bert.h"

Bert.h.

> +#include "Einj/einj.h"

Einj.h.

> +#include "Erst/erst.h"

Erst.h.

> +#include "Hest/hest.h"

Hest.h.

> +
> +EFI_ACPI_TABLE_PROTOCOL        *mAcpiTableProtocol = NULL;
> +EFI_ACPI_SDT_PROTOCOL          *mAcpiSdtProtocol = NULL;
> +APEI_TRUSTFIRMWARE_STRUCTURE   *mApeiTrustfirmwareStruc;

TrustedFirmware.
Struct, rather than Struc.
But also, Struct isn't a very descriptive name. We already know it's
some form of struct. What about Context? Data?

> +
> +EFI_STATUS
> +EFIAPI
> +ApeiEntryPoint(
> +  IN EFI_HANDLE          ImageHandle,
> +  IN EFI_SYSTEM_TABLE    *SystemTable
> +)
> +{
> +  EFI_STATUS              Status;
> +  ARM_SMC_ARGS            SmcRegs = {0};
> +  UINTN                   Size = sizeof (OEM_CONFIG_DATA);
> +  OEM_CONFIG_DATA         SetupData;
> +
> +  Status = gRT->GetVariable (
> +             OEM_CONFIG_NAME,
> +             &gOemConfigGuid,
> +             NULL,
> +             &Size,
> +             &SetupData
> +             );
> +  if (EFI_ERROR (Status)) {
> +    SetupData.EnRasSupport = 1;
> +    DEBUG ((DEBUG_ERROR, "[%a]GetVariable %r.Get default variable value\n", __FUNCTION__, Status));

Quite long lines in this function. Please wrap at 80.

> +  }
> +  if (!SetupData.EnRasSupport) {
> +    return EFI_ABORTED;
> +  }
> +  if (PcdGet64 (PcdTrustedFirmwareEnable) == 0) {
> +    return EFI_ABORTED;
> +  }
> +  Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID**)&mAcpiTableProtocol);
> +  if (EFI_ERROR (Status)) {
> +    return Status;
> +  }
> +  Status = gBS->LocateProtocol (&gEfiAcpiSdtProtocolGuid, NULL, (VOID**) &mAcpiSdtProtocol);
> +  if (EFI_ERROR (Status)) {
> +    return Status;
> +  }
> +  Status = gBS->AllocatePool (
> +             EfiReservedMemoryType,
> +             sizeof(APEI_TRUSTFIRMWARE_STRUCTURE),

Space before (. Please search and replace throughout this patch.

> +             (VOID**)&mApeiTrustfirmwareStruc
> +           );
> +  if (EFI_ERROR (Status)) {
> +    return Status;
> +  }
> +  gBS->SetMem (
> +    mApeiTrustfirmwareStruc,
> +    sizeof (APEI_TRUSTFIRMWARE_STRUCTURE),
> +    0
> +  );
> +  Status = EFI_SUCCESS;
> +  Status |= OemInitBertTable (ImageHandle);
> +  Status |= OemInitHestTable (ImageHandle);
> +  Status |= OemInitErstTable ();
> +  Status |= OemInitEinjTable ();
> +  // smc call
> +  DEBUG ((DEBUG_INFO, "[%a]:[%dL]: %r\n", __FUNCTION__, __LINE__, Status));
> +  if (Status == EFI_SUCCESS) {
> +    SmcRegs.Arg0 = PRIVATE_ARM_SMC_ID_APEI;
> +    SmcRegs.Arg1 = (UINTN)mApeiTrustfirmwareStruc;
> +    ArmCallSmc (&SmcRegs);
> +  }
> +  DEBUG ((DEBUG_INFO, "Acpi Apei init done.\n"));
> +  return EFI_SUCCESS;
> +}
> +
> +
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.h
> new file mode 100644
> index 0000000000..39f028b203
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.h
> @@ -0,0 +1,48 @@
> +/** @file
> +*
> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
> +*
> +*  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 _APEI_H_
> +#define _APEI_H_
> +
> +#include <Hi1620Platform.h>
> +#include <IndustryStandard/Acpi.h>
> +#include <Library/ArmSmcLib.h>
> +#include <Library/BaseMemoryLib.h>
> +#include <Library/DebugLib.h>
> +#include <Library/IoLib.h>
> +#include <Library/MemoryAllocationLib.h>
> +#include <Library/UefiBootServicesTableLib.h>
> +#include <Library/UefiLib.h>
> +#include <Protocol/AcpiSystemDescriptionTable.h>
> +#include <Protocol/AcpiTable.h>

I am not generally a fan of including header files not needed by the
header file itself. Please move those to the individual .c files.

This includes including _this_ file in all of the xxxx.h files, where
not needed.

> +
> +#define EFI_ACPI_MAX_NUM_TABLES         20
> +#define PRIVATE_ARM_SMC_ID_APEI         0x83000100
> +#define PRIVATE_ARM_SMC_ID_APEI_S       0x83000101
> +
> +typedef struct {
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *HestCorrectedErrorGhesV2;
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *HestFatalErrorGhesV2;
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *HestRecoverableErrorGhesV2;
> +  EFI_PHYSICAL_ADDRESS                                            HestTableAddress;
> +  EFI_PHYSICAL_ADDRESS                                            EinjTableAddress;
> +  EFI_PHYSICAL_ADDRESS                                            EinjDataStruct;
> +  VOID                                                            *ErstContext;
> +} APEI_TRUSTFIRMWARE_STRUCTURE;

This really ought to be APEI_TRUSTED_FIRMWARE_STRUCTURE.
(And this is where the orderFile comes in handy: letting struct
definitions be reviewed before their use.)

> +
> +extern EFI_ACPI_TABLE_PROTOCOL       *mAcpiTableProtocol;
> +extern EFI_ACPI_SDT_PROTOCOL         *mAcpiSdtProtocol;
> +extern APEI_TRUSTFIRMWARE_STRUCTURE  *mApeiTrustfirmwareStruc;
> +
> +
> +#endif    // _APEI_H_
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf
> new file mode 100644
> index 0000000000..c80bcbcacc
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf
> @@ -0,0 +1,63 @@
> +/** @file
> +*
> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.

2018? Please update throughout.

> +*
> +*  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                    = 0x0001001A
> +  BASE_NAME                      = AcpiApei
> +  FILE_GUID                      = E9570C39-EF68-4fc6-B921-C1954A87CCD2
> +  MODULE_TYPE                    = DXE_DRIVER
> +  VERSION_STRING                 = 1.0
> +  ENTRY_POINT                    = ApeiEntryPoint
> +
> +[sources.common]
> +  Apei.c

Apei.h?

> +  Bert/bert.c
> +  Bert/bert.h
> +  Einj/einj.c
> +  Einj/einj.h
> +  Erst/erst.c
> +  Erst/erst.h
> +  Hest/hest.c
> +  Hest/hest.h
> +  ErrorSource/Ghes.c
> +  ErrorSource/Ghes.h
> +  OemApeiHi1620.c
> +
> +[Packages]
> +  ArmPkg/ArmPkg.dec
> +  MdePkg/MdePkg.dec
> +  Silicon/Hisilicon/HisiPkg.dec
> +
> +[LibraryClasses]
> +  ArmSmcLib
> +  BaseMemoryLib
> +  DebugLib
> +  HobLib
> +  TimerLib
> +  UefiDriverEntryPoint
> +  UefiRuntimeServicesTableLib
> +
> +[Guids]
> +  gOemConfigGuid
> +
> +[Protocols]
> +  gEfiAcpiSdtProtocolGuid
> +  gEfiAcpiTableProtocolGuid                     # PROTOCOL ALWAYS_CONSUMED
> +
> +[Pcd]
> +  gHisiTokenSpaceGuid.PcdCpldBaseAddress
> +  gHisiTokenSpaceGuid.PcdTrustedFirmwareEnable
> +
> +[Depex]
> +  gEfiAcpiTableProtocolGuid AND gEfiAcpiSdtProtocolGuid
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.c
> new file mode 100644
> index 0000000000..ff87e56cf5
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.c
> @@ -0,0 +1,86 @@
> +/** @file
> +*
> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
> +*
> +*  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.
> +*
> +**/
> +
> +#include "bert.h"
> +#include "./ErrorSource/Ghes.h"

Drop the "./".

> +
> +VOID
> +BertSetAcpiTable (
> +  IN BERT_CONTEXT *Context
> +)
> +{
> +  UINTN          AcpiTableHandle;
> +  EFI_STATUS     Status;
> +  if (Context == NULL) {
> +    return;
> +  }
> +  EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER* Bert = Context->BertHeader;
> +  Bert->Header.Checksum = CalculateCheckSum8 ((UINT8*)(Bert), Bert->Header.Length);
> +  AcpiTableHandle = 0;
> +  Status = mAcpiTableProtocol->InstallAcpiTable (
> +                                 mAcpiTableProtocol,
> +                                 Bert,
> +                                 Bert->Header.Length,
> +                                 &AcpiTableHandle);
> +  ASSERT_EFI_ERROR (Status);
> +  return;
> +}
> +
> +BOOLEAN
> +BertAddGenericErrorData (
> +  IN EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER *Bert,
> +  IN EFI_CPER_SECTION_TYPE                       TypeOfErrorData,
> +  IN VOID                                        *GenericErrorData,
> +  IN UINT32                                      SizeOfGenericErrorData,
> +  IN ERROR_SEVERITY                              ErrorSeverity,
> +  IN BOOLEAN                                     Correctable
> +)
> +{
> +  DEBUG((DEBUG_ERROR, "[%a]:[%dL]: \n", __FUNCTION__, __LINE__));
> +  BOOLEAN Status = ErrorBlockAddErrorData (
> +                     (VOID*)Bert->BootErrorRegion,
> +                     Bert->BootErrorRegionLength,
> +                     TypeOfErrorData,
> +                     GenericErrorData,
> +                     SizeOfGenericErrorData,
> +                     ErrorSeverity,
> +                     Correctable);
> +  return Status;
> +}
> +
> +EFI_STATUS
> +BertHeaderCreator (
> +  IN BERT_CONTEXT  *Context,
> +  IN UINT32        ErrorBlockSize
> +)
> +{
> +  if (Context == NULL) {
> +    return EFI_INVALID_PARAMETER;
> +  }
> +  Context->BertHeader = AllocateZeroPool (sizeof (EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER));
> +  Context->Block = AllocateReservedZeroPool (ErrorBlockSize);
> +  Context->BlockSize = ErrorBlockSize;
> +  *Context->BertHeader = (EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER) {
> +    ARM_ACPI_HEADER (
> +      EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_SIGNATURE,
> +      EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER,
> +      EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_REVISION
> +      ),
> +    Context->BlockSize,
> +    (UINT64)Context->Block
> +  };
> +  return EFI_SUCCESS;
> +}
> +
> +
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.h
> new file mode 100644
> index 0000000000..af38a765bd
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.h
> @@ -0,0 +1,42 @@
> +/** @file
> +*
> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
> +*
> +*  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 _BERT_H_
> +#define _BERT_H_
> +
> +#include "Apei.h"
> +#include <Guid/Cper.h>
> +
> +typedef struct _BERT_CONTEXT {
> +  EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER   *BertHeader;         // pointer to best header

'best headr' -> 'bert header'?
But anyway, the variable name is descriptive enough that the comment
is not needed.

> +  VOID                                          *Block;
> +  UINT32                                        BlockSize; // allocated memory size for bert's error block
> +} BERT_CONTEXT;
> +
> +EFI_STATUS
> +OemInitBertTable (
> +  IN EFI_HANDLE    ImageHandle
> +);
> +VOID
> +BertSetAcpiTable (
> +  IN BERT_CONTEXT *Context
> +);
> +EFI_STATUS
> +BertHeaderCreator (
> +  BERT_CONTEXT  *Context,
> +  UINT32        ErrorBlockSize
> +);
> +
> +
> +#endif    // _BERT_H_
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.c
> new file mode 100644
> index 0000000000..898863718b
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.c
> @@ -0,0 +1,326 @@
> +/** @file
> +*
> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
> +*
> +*  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.
> +*
> +**/
> +#include "einj.h"
> +#include "OemApeiHi1620.h"
> +
> +
> +EINJ_TABLE mEinj = {
> +  {
> +    ARM_ACPI_HEADER(
> +      EFI_ACPI_6_0_ERROR_INJECTION_TABLE_SIGNATURE,
> +      EFI_ACPI_6_0_ERROR_INJECTION_TABLE_HEADER,
> +      EFI_ACPI_6_0_ERROR_INJECTION_TABLE_REVISION
> +    ),
> +    sizeof(EFI_ACPI_6_0_ERROR_INJECTION_TABLE_HEADER),
> +    0x0,
> +    {
> +      0x0,
> +      0x0,
> +      0x0
> +    },
> +    EINJ_ACTION_NO
> +  },
> +  {
> +    {
> +      // 0 EFI_ACPI_6_0_EINJ_BEGIN_INJECTION_OPERATION
> +      EFI_ACPI_6_0_EINJ_BEGIN_INJECTION_OPERATION,
> +      EFI_ACPI_6_0_EINJ_WRITE_REGISTER_VALUE,
> +      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      EINJ_BEGIN_OPERATION_VALUE,
> +      EINJ_WRITE_MASK
> +    },
> +    {
> +      // 1 EFI_ACPI_6_0_EINJ_GET_TRIGGER_ERROR_ACTION_TABLE
> +      EFI_ACPI_6_0_EINJ_GET_TRIGGER_ERROR_ACTION_TABLE,
> +      EFI_ACPI_6_0_EINJ_READ_REGISTER,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      EINJ_READ_MASK
> +    },
> +    {
> +      // 2 EFI_ACPI_6_0_EINJ_SET_ERROR_TYPE
> +      EFI_ACPI_6_0_EINJ_SET_ERROR_TYPE,
> +      EFI_ACPI_6_0_EINJ_WRITE_REGISTER,
> +      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      EINJ_WRITE_MASK
> +    },
> +    {
> +      // 3 EFI_ACPI_6_0_EINJ_GET_ERROR_TYPE
> +      EFI_ACPI_6_0_EINJ_GET_ERROR_TYPE,
> +      EFI_ACPI_6_0_EINJ_READ_REGISTER,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      0xFFFFFFFF
> +    },
> +    {
> +      // 4 EFI_ACPI_6_0_EINJ_END_OPERATION
> +      EFI_ACPI_6_0_EINJ_END_OPERATION,
> +      EFI_ACPI_6_0_EINJ_WRITE_REGISTER_VALUE,
> +      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      EINJ_END_OPERATION_VALUE,
> +      0xFFFFFFFF
> +    },
> +    {
> +      // 5 EFI_ACPI_6_0_EINJ_EXECUTE_OPERATION
> +      EFI_ACPI_6_0_EINJ_EXECUTE_OPERATION,
> +      EFI_ACPI_6_0_EINJ_WRITE_REGISTER_VALUE,
> +      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        32,
> +        0,
> +        EFI_ACPI_6_0_DWORD,
> +        GPIO1_BASE + GPIO_INT_MASK //0x40070008//0x4d000F00//GPIO0_BASE + GPIO0_SWPORT_DR_OFFSET
> +      },
> +      0,
> +      0xFFFFFFFF //BIT0
> +    },
> +    {
> +      // 6 EFI_ACPI_6_0_EINJ_CHECK_BUSY_STATUS
> +      EFI_ACPI_6_0_EINJ_CHECK_BUSY_STATUS,
> +      EFI_ACPI_6_0_EINJ_READ_REGISTER_VALUE,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0x01,
> +      0x01
> +    },
> +    {
> +      // 7 EFI_ACPI_6_0_EINJ_GET_COMMAND_STATUS
> +      EFI_ACPI_6_0_EINJ_GET_COMMAND_STATUS,
> +      EFI_ACPI_6_0_EINJ_READ_REGISTER,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      0x3
> +    },
> +    {
> +      // 8 EFI_ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS
> +      EFI_ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS,
> +      EFI_ACPI_6_0_EINJ_WRITE_REGISTER,
> +      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      0xFFFFFF
> +    },
> +    {
> +      // 9 EFI_ACPI_EINJ_GET_EXCUTE_OPERATION_TIMINGS
> +      EFI_ACPI_EINJ_GET_EXCUTE_OPERATION_TIMINGS,
> +      EFI_ACPI_6_0_EINJ_WRITE_REGISTER,
> +      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      0xFFFFFF
> +    }
> +  }
> +};
> +
> +EINJ_TRIGGER_ERROR_ACTION mEinjTriggerErrorAction = {
> +  {
> +    sizeof(EFI_ACPI_6_0_EINJ_TRIGGER_ACTION_TABLE),
> +    0,
> +    sizeof(EINJ_TRIGGER_ERROR_ACTION),
> +    EINJ_TRIGGER_ERROR_ACTION_NO
> +  },
> +  {
> +    {
> +      EFI_ACPI_6_0_EINJ_TRIGGER_ERROR,
> +      EFI_ACPI_6_0_EINJ_NOOP,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_DWORD,
> +        0
> +      },
> +      0,
> +      0
> +    }
> +  }
> +};
> +
> +
> +VOID
> +EinjSetAcpiTable(
> +  EINJ_CONTEXT *Context
> +)
> +{
> +  UINTN                   AcpiTableHandle;
> +  EFI_STATUS              Status;
> +  UINT8                   Checksum;
> +  EFI_ACPI_SDT_HEADER     *Table;
> +  EFI_ACPI_TABLE_VERSION  TableVersion;
> +  UINTN                   TableKey;
> +  UINTN                   i;
> +  //gBS->CloseEvent(Event);
> +  Context->EINJ->EinjTableHeader.Header.Length = sizeof (EINJ_TABLE); //mEinj.EinjTableHeader.Header.Length = sizeof(EINJ_TABLE);

Delete the commented out code.

> +  Checksum = CalculateCheckSum8 ((UINT8*)(Context->EINJ), Context->EINJ->EinjTableHeader.Header.Length);

Wrap.

> +  Context->EINJ->EinjTableHeader.Header.Checksum = Checksum;
> +  AcpiTableHandle = 0;
> +  Status = mAcpiTableProtocol->InstallAcpiTable (
> +             mAcpiTableProtocol,
> +             Context->EINJ,
> +             Context->EINJ->EinjTableHeader.Header.Length,
> +             &AcpiTableHandle
> +           );
> +  for (i = 0; i < EFI_ACPI_MAX_NUM_TABLES; i++) {
> +    Status = mAcpiSdtProtocol->GetAcpiTable(i, &Table, &TableVersion, &TableKey);
> +    if (EFI_ERROR (Status)) {
> +      break;
> +    }
> +    if (Table->Signature != EFI_ACPI_6_0_ERROR_INJECTION_TABLE_SIGNATURE) {
> +      continue;
> +    }
> +    mApeiTrustfirmwareStruc->EinjTableAddress = (EFI_PHYSICAL_ADDRESS)Table;
> +    mApeiTrustfirmwareStruc->EinjDataStruct = (EFI_PHYSICAL_ADDRESS)Context->EinjData;
> +  }
> +  ASSERT_EFI_ERROR (Status) ;
> +}
> +//V2
> +EFI_STATUS
> +EinjHeaderCreator(
> +  EINJ_CONTEXT *Context
> +)
> +{
> +  EFI_STATUS           Status;
> +  EINJ_DATA_STRUCTURE  *EinjData = NULL;
> +  Status = gBS->AllocatePool (
> +             EfiReservedMemoryType,
> +             sizeof (EINJ_DATA_STRUCTURE),
> +             (VOID**)(&EinjData)
> +           );

Drop the redundant parentheses.

> +  if (EFI_ERROR (Status)) {
> +    return Status;
> +  }
> +  gBS->SetMem (
> +    EinjData,
> +    sizeof (EINJ_DATA_STRUCTURE),
> +    0
> +  );
> +
> +  DEBUG ((DEBUG_INFO, "EINJ EinjData is at 0x%X,size =0x%x\n", EinjData, sizeof (EINJ_DATA_STRUCTURE)));
> +  EinjData->TriggerErrorActionTablePtr = (EINJ_TRIGGER_ERROR_ACTION*)(&(EinjData->TriggerErrorActionTable));
> +  gBS->CopyMem (EinjData->TriggerErrorActionTablePtr, &mEinjTriggerErrorAction, sizeof (EINJ_TRIGGER_ERROR_ACTION));

Many very long lines in this function. Please wrap.

> +  EinjData->OperationBegin = 0;
> +  EinjData->ErrorType = 0;
> +  EinjData->ErrorCapabilities = 0xFFF;
> +  EinjData->BusyStatus = 0;
> +  EinjData->CommandStatus = 0;
> +  mEinj.EinjInstructionEntry[0].RegisterRegion.Address = (UINT64)(&(EinjData->OperationBegin));
> +  mEinj.EinjInstructionEntry[1].RegisterRegion.Address = (UINT64)(&(EinjData->TriggerErrorActionTablePtr));
> +  mEinj.EinjInstructionEntry[2].RegisterRegion.Address = (UINT64)(&(EinjData->ErrorType));
> +  mEinj.EinjInstructionEntry[3].RegisterRegion.Address = (UINT64)(&(EinjData->ErrorCapabilities));
> +  mEinj.EinjInstructionEntry[4].RegisterRegion.Address = (UINT64)(&(EinjData->OperationBegin));
> +  mEinj.EinjInstructionEntry[6].RegisterRegion.Address = (UINT64)(&(EinjData->BusyStatus));
> +  mEinj.EinjInstructionEntry[7].RegisterRegion.Address = (UINT64)(&(EinjData->CommandStatus));
> +  mEinj.EinjInstructionEntry[8].RegisterRegion.Address = (UINT64)(&(EinjData->ErrorTypeWithAddress));
> +  mEinj.EinjInstructionEntry[9].RegisterRegion.Address = (UINT64)(&(EinjData->Timming));
> +  EinjData->ErrorTypeWithAddress.VendorErrorTypeOffset
> +    = (UINT32)((UINTN) & (EinjData->VendorErrorTypeExtension) - (UINTN) & (EinjData->ErrorTypeWithAddress));

No spaces around '&'.

> +  //

Drop empty comment. (But do leave a blank line.)

> +  Context->EinjData = EinjData;
> +  Context->EINJ = &mEinj;
> +  Context->ExecuteOperationEntry = &mEinj.EinjInstructionEntry[5];
> +  Context->GetErrorTypeEntry = &mEinj.EinjInstructionEntry[3];
> +  return EFI_SUCCESS;
> +}
> +
> +
> +EFI_STATUS
> +EinjConfigErrorInjectCapability(
> +  EINJ_CONTEXT* Context,
> +  UINT32        BitsSupportedErrorType
> +)
> +{
> +  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY* KeyEntry;
> +  UINT32*                                        EinjCapablity;
> +
> +  KeyEntry = Context->GetErrorTypeEntry;
> +  EinjCapablity = (UINT32*)KeyEntry->RegisterRegion.Address;
> +  *EinjCapablity = BitsSupportedErrorType;
> +  KeyEntry->Value = BitsSupportedErrorType;
> +  return EFI_SUCCESS;
> +}
> +
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h
> new file mode 100644
> index 0000000000..a5342b600f
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h
> @@ -0,0 +1,154 @@
> +/** @file
> +*
> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
> +*
> +*  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 _EINJ_H_
> +#define _EINJ_H_
> +
> +#include "Apei.h"
> +
> +#define EINJ_ACTION_NO             10
> +#define EINJ_BEGIN_OPERATION_VALUE 0xFFFF
> +#define EINJ_END_OPERATION_VALUE   0
> +#define EINJ_WRITE_MASK            0xFFFFFFFF
> +#define EINJ_READ_VALUE            0xFFFF
> +#define EINJ_READ_MASK             0xFFFFFFFF
> +
> +#define EINJ_TRIGGER_ERROR_ACTION_NO                                    1
> +
> +#define EFI_ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS                       0x08
> +#define EFI_ACPI_EINJ_GET_EXCUTE_OPERATION_TIMINGS                      0x09
> +
> +
> +extern EFI_ACPI_TABLE_PROTOCOL            *mAcpiTableProtocol;
> +extern EFI_ACPI_SDT_PROTOCOL              *mAcpiSdtProtocol;
> +extern APEI_TRUSTFIRMWARE_STRUCTURE       *mApeiTrustfirmwareStruc;
> +
> +//
> +// Error Type Definition
> +//
> +#define EINJ_PROCESSOR_CORRECTABLE                                      BIT0
> +#define EINJ_PROCESSOR_UNCORRECTABLE_NONFATAL                           BIT1
> +#define EINJ_PROCESSOR_UNCORRECTABLE_FATAL                              BIT2
> +#define EINJ_MEMORY_CORRECTABLE                                         BIT3
> +#define EINJ_MEMORY_UNCORRECTABLE_NONFATAL                              BIT4
> +#define EINJ_MEMORY_UNCORRECTABLE_FATAL                                 BIT5
> +#define EINJ_PCIE_CORRECTABLE                                           BIT6
> +#define EINJ_PCIE_UNCORRECTABLE_NONFATAL                                BIT7
> +#define EINJ_PCIE_UNCORRECTABLE_FATAL                                   BIT8
> +#define EINJ_PLATFORM_CORRECTABLE                                       BIT9
> +#define EINJ_PLATFORM_UNCORRECTABLE_NONFATAL                            BIT10
> +#define EINJ_PLATFORM_UNCORRECTABLE_FATAL                               BIT11
> +#define EINJ_VENDOR_DEFINED_ERROR_TYPE                                  BIT31
> +
> +//
> +#define EINJ_PROCESSOR_APIC_VALID                                       BIT0
> +#define EINJ_MEMORY_ADDRESS_VALID                                       BIT1
> +#define EINJ_PCIE_SBDF_VALID                                            BIT2
> +
> +//CPER
> +#define EFI_GENERIC_ERROR_PROC_TYPE_ARM                                 0x02
> +
> +#define EFI_GENERIC_ERROR_PROC_ISA_ARM32                                0x03
> +#define EFI_GENERIC_ERROR_PROC_ISA_ARM64                                0x04

Surely these should be added to MdePkg/Include/Guid/Cper.h instead?
Please submit a patch.

> +
> +///
> +/// EINJ Table
> +///
> +
> +
> +typedef struct {
> +  EFI_ACPI_6_0_ERROR_INJECTION_TABLE_HEADER        EinjTableHeader;
> +  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY    EinjInstructionEntry[EINJ_ACTION_NO];
> +} EINJ_TABLE;
> +
> +typedef struct {
> +  EFI_ACPI_6_0_EINJ_TRIGGER_ACTION_TABLE           TriggerErrorHeader;
> +  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY    ErrorInstructionEntry[EINJ_TRIGGER_ERROR_ACTION_NO];
> +} EINJ_TRIGGER_ERROR_ACTION;
> +
> +typedef struct {
> +  UINT32 Reserved: 8;
> +  UINT32 Function: 3;
> +  UINT32 Device: 5;
> +  UINT32 PrimaryOrDeviceBus: 8;
> +  UINT32 Segment: 8;
> +} EINJ_PCIE_SBDF;
> +
> +typedef struct {
> +  UINT32         ErrorType;
> +  UINT32         VendorErrorTypeOffset;
> +  UINT32         Flags;
> +  UINT32         ApicId;
> +  UINT64         MemAddress;
> +  UINT64         MemAddressRange;
> +  EINJ_PCIE_SBDF PcieSBDF;
> +} EINJ_SET_ERROR_TYPE_WITH_ADDRESS;
> +
> +typedef struct {
> +  UINT32 Length;
> +  UINT32 SBDF;
> +  UINT16 VendorId;
> +  UINT16 DeviceId;
> +  UINT8  RevId;
> +  UINT8  Reserved[3];
> +} EINJ_VENDOR_ERROR_TYPE;
> +
> +typedef struct {
> +  UINT64                           OperationBegin;
> +  UINT64                           ErrorType;
> +  UINT64                           ErrorCapabilities;// TODO: modified to uint32

Is it 32-bit or 64-bit? If it needs to be 32-bit, make it so - don't
say you intend to do so in future.

> +  UINT64                           BusyStatus;
> +  UINT64                           CommandStatus;
> +  UINT64                           Timming;
> +  EINJ_TRIGGER_ERROR_ACTION        *TriggerErrorActionTablePtr;
> +  EINJ_SET_ERROR_TYPE_WITH_ADDRESS ErrorTypeWithAddress;
> +  EINJ_VENDOR_ERROR_TYPE           VendorErrorTypeExtension;
> +  EINJ_TRIGGER_ERROR_ACTION        TriggerErrorActionTable;
> +} EINJ_DATA_STRUCTURE;
> +
> +// V2
> +typedef struct _EINJ_CONTEXT {
> +  EINJ_TABLE                                    *EINJ;         // pointer to EINJ header
> +  EINJ_DATA_STRUCTURE                           *EinjData;
> +  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY *GetErrorTypeEntry;// error injection capabilities
> +  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY *ExecuteOperationEntry;
> +} EINJ_CONTEXT;
> +
> +
> +EFI_STATUS
> +InitEinjTable(VOID);
> +// Version2
> +EFI_STATUS
> +EinjConfigErrorInjectCapability(
> +  EINJ_CONTEXT  *Context,
> +  UINT32        BitsSupportedErrorType
> +);
> +EFI_STATUS
> +EinjHeaderCreator(
> +  EINJ_CONTEXT  *Context
> +);
> +/***OEM***/
> +EFI_STATUS
> +OemInitEinjTable(VOID);
> +EFI_STATUS
> +OemEinjConfigExecuteOperationEntry(
> +  EINJ_CONTEXT *Context
> +);
> +VOID
> +EinjSetAcpiTable(
> +  EINJ_CONTEXT *Context
> +);
> +
> +
> +#endif    // _EINJ_H_
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.c
> new file mode 100644
> index 0000000000..338f56c0a2
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.c
> @@ -0,0 +1,320 @@
> +/** @file
> +*
> +*  Copyright (c) 2018 Hisilicon Limited. All rights reserved.
> +*
> +*  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.
> +*
> +**/
> +
> +#include <Uefi/UefiBaseType.h>
> +#include <Guid/Cper.h>
> +#include "Ghes.h"
> +
> +#define READ_ACK_PRESERVE 0xFFFFFFFE
> +#define READ_ACK_WRITE 0x1
> +
> +EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE*
> +ErrorBlockInitial(
> +  VOID   *Block,
> +  UINT32 Severity
> +)
> +{
> +  EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE* BlockHeader = Block;
> +  BlockHeader->BlockStatus = (EFI_ACPI_6_1_ERROR_BLOCK_STATUS) {0, 0, 0, 0, 0};
> +  BlockHeader->RawDataOffset = 0;
> +  BlockHeader->RawDataLength = 0;
> +  BlockHeader->DataLength = 0;//sizeof(EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE);
> +  BlockHeader->ErrorSeverity = Severity;
> +  return BlockHeader;
> +}
> +
> +
> +BOOLEAN
> +ErrorBlockUpdateStatusStructure(
> +  VOID *ErrorBlock
> +)
> +{
> +  if (ErrorBlock == NULL) {
> +    return FALSE;
> +  }
> +  IN EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE *BlockHeader =  ErrorBlock;
> +  VOID *EntriesBegin = ErrorBlock + sizeof(EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE);
> +  if (BlockHeader->BlockStatus.ErrorDataEntryCount == 0) {
> +    //memset(EntriesBegin, 0, BlockHeader->DataLength);
> +    gBS->SetMem(EntriesBegin, BlockHeader->DataLength, 0);
> +    BlockHeader->RawDataLength = 0;
> +    BlockHeader->RawDataOffset = 0;
> +    BlockHeader->DataLength = 0;
> +  }
> +  return TRUE;
> +}
> +
> +
> +BOOLEAN
> +ErrorBlockAddErrorData(
> +  IN VOID                  *ErrorBlock,
> +  IN UINT32                MaxBlockLength,
> +  IN EFI_CPER_SECTION_TYPE TypeOfErrorData,
> +  IN VOID                  *GenericErrorData,
> +  IN UINT32                SizeOfGenericErrorData,
> +  IN ERROR_SEVERITY        ErrorSeverity,
> +  IN BOOLEAN               Correctable
> +)
> +{
> +  if (ErrorBlock == NULL || GenericErrorData == NULL) {
> +    DEBUG ((DEBUG_ERROR, "[%a]:[%dL]Invalid Param \n", __FUNCTION__, __LINE__));
> +    return FALSE;
> +  }
> +  EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE*  Entry;
> +  EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE* BlockHeader = ErrorBlock;
> +  EFI_ACPI_6_1_ERROR_BLOCK_STATUS* BlockStatus = &BlockHeader->BlockStatus;
> +  (VOID)ErrorBlockUpdateStatusStructure(ErrorBlock);
> +  UINT32 ExpectedNewDataLength = BlockHeader->DataLength + sizeof(EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE) + SizeOfGenericErrorData;
> +  if (sizeof(EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE) + ExpectedNewDataLength > MaxBlockLength) {

Wrap long lines.

> +    DEBUG ((DEBUG_ERROR, "[%a]:[%dL]Out of BlockSize \n", __FUNCTION__, __LINE__));
> +    return FALSE;
> +  }
> +  // guid
> +  EFI_GUID Guid;
> +  switch (TypeOfErrorData) {
> +    case PROCESSOR_GENERIC:
> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_PROCESSOR_GENERIC_GUID;
> +      break;
> +    case PROCESSOR_ARM:
> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_PROCESSOR_SPECIFIC_ARM_GUID;
> +      break;
> +    case PLATFORM_MEMORY:
> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_PLATFORM_MEMORY_GUID;
> +      break;
> +    case PLATFORM_MEMORY2:
> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_PLATFORM_MEMORY2_GUID;
> +      break;
> +    case PCIE_EXPRESS:
> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_PCIE_GUID;
> +      break;
> +    case FIRMWARE_ERROR:
> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_FW_ERROR_RECORD_GUID;
> +      break;
> +    case PCI_BUS:
> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_PCI_PCIX_BUS_GUID;
> +      break;
> +    case PCI_COMPONENT:
> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_PCI_DEVICE_GUID;
> +      break;
> +    default:
> +      return FALSE;
> +  }
> +  //Block Status
> +  if (Correctable == TRUE) {
> +    if (BlockStatus->CorrectableErrorValid == 0) {
> +      BlockStatus->CorrectableErrorValid = 1;
> +    } else {
> +      BlockStatus->MultipleCorrectableErrors = 1;
> +    }
> +  } else {
> +    if (BlockStatus->UncorrectableErrorValid == 0) {
> +      BlockStatus->UncorrectableErrorValid = 1;
> +    } else {
> +      BlockStatus->MultipleUncorrectableErrors = 1;
> +    }
> +  }
> +  BlockStatus->ErrorDataEntryCount++;
> +  // Entry
> +  Entry = (EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE*)(ErrorBlock + sizeof(EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE) + BlockHeader->DataLength);
> +  gBS->SetMem(Entry, sizeof(EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE), 0);
> +  gBS->CopyMem(&Entry->SectionType, &Guid, sizeof(EFI_GUID));
> +  Entry->ErrorSeverity = ErrorSeverity;
> +  Entry->Revision = EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_REVISION;
> +  Entry->ErrorDataLength = SizeOfGenericErrorData;
> +  VOID*  GenericErrorDataFollowEntry = (VOID*)Entry + sizeof(EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE);

Wrap long lines.

> +  gBS->CopyMem(GenericErrorDataFollowEntry, GenericErrorData, SizeOfGenericErrorData);
> +  // BlockHeader
> +  BlockHeader->RawDataOffset = 0;
> +  BlockHeader->RawDataLength = 0;
> +  BlockHeader->DataLength = ExpectedNewDataLength;
> +  return TRUE;
> +}
> +
> +VOID
> +GhesV2Initial(
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE *GhesV2,
> +  UINT32                                                         BlockLength
> +)
> +{
> +  if (GhesV2 == NULL) {
> +    return;
> +  }
> +  *GhesV2 = (EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE) {
> +    .Type = EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_VERSION_2,
> +    .SourceId = 0,
> +    .RelatedSourceId = 0xFFFF,
> +    .Flags = 0,
> +    .Enabled = 1,
> +    .NumberOfRecordsToPreAllocate = 1,//ERROR BLOCK
> +    .MaxSectionsPerRecord = 1,// Num Entries(section)
> +    .MaxRawDataLength = BlockLength, // Max Size Of a Raw Data
> +    .ErrorStatusAddress = {
> +      .AddressSpaceId = EFI_ACPI_6_1_SYSTEM_MEMORY,
> +      .RegisterBitWidth = 64,
> +      .RegisterBitOffset = 0,
> +      .AccessSize = EFI_ACPI_6_1_QWORD,
> +      .Address = 0
> +    },
> +    .NotificationStructure = {
> +      .Type = EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_GSIV,
> +      .Length = sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE),
> +      .ConfigurationWriteEnable = {0, 0, 0, 0, 0, 0, 0} ,
> +      .PollInterval = 0,
> +      .Vector = 0,
> +      .SwitchToPollingThresholdValue = 0,
> +      .SwitchToPollingThresholdWindow = 0,
> +      .ErrorThresholdValue = 0,
> +      .ErrorThresholdWindow = 0
> +    },
> +    .ErrorStatusBlockLength = BlockLength,
> +    .ReadAckRegister = {
> +      .AddressSpaceId = EFI_ACPI_6_1_SYSTEM_MEMORY,
> +      .RegisterBitWidth = 64,
> +      .RegisterBitOffset = 0,
> +      .AccessSize = EFI_ACPI_6_1_QWORD,
> +      .Address = 0
> +    },
> +    .ReadAckPreserve = READ_ACK_PRESERVE,
> +    .ReadAckWrite = READ_ACK_WRITE
> +  };
> +  return;
> +}
> +
> +VOID
> +GhesV2AddNotification(
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *This,
> +  UINT8                                                           Type
> +)
> +{
> +  This->NotificationStructure = (EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_STRUCTURE) {
> +    .Type = Type,
> +    .Length = sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE),
> +    .ConfigurationWriteEnable = {
> +      .Type = 0,
> +      .PollInterval = 1,
> +      .SwitchToPollingThresholdValue = 1,
> +      .SwitchToPollingThresholdWindow = 1,
> +      .ErrorThresholdValue = 1,
> +      .ErrorThresholdWindow = 1
> +    },
> +    .PollInterval = 20,
> +    .Vector = 0,
> +    .SwitchToPollingThresholdValue = 0,
> +    .SwitchToPollingThresholdWindow = 0,
> +    .ErrorThresholdValue = 0,
> +    .ErrorThresholdWindow = 0
> +  };
> +  return;
> +}
> +
> +EFI_STATUS
> +GhesV2LinkErrorBlock(
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE *GhesV2,
> +  GHES_REGISTER                                                  *Register,
> +  VOID                                                           *ErrorBlock
> +)
> +{
> +  if (ErrorBlock == NULL || Register == NULL || GhesV2 == NULL) {
> +    return EFI_INVALID_PARAMETER;
> +  }
> +
> +  Register->ErrorStatusBlockAddress = (UINTN)ErrorBlock;
> +  GhesV2->ErrorStatusAddress.Address = (UINTN) & (Register->ErrorStatusBlockAddress);
> +  Register->AckRegister = READ_ACK_WRITE;
> +  GhesV2->ReadAckRegister.Address = (UINT64) & (Register->AckRegister);

No spaces around '&' when used as the addressof operator.

> +  return EFI_SUCCESS;
> +}
> +
> +
> +VOID GhesV1Initial(
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *GhesV1,
> +  UINT32 BlockLength
> +)
> +{
> +  if (GhesV1 == NULL) {
> +    return;
> +  }
> +  *GhesV1 = (EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE) {
> +    .Type = EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR,
> +    .SourceId = 0,
> +    .RelatedSourceId = 0xFFFF,
> +    .Flags = 0,
> +    .Enabled = 1,
> +    .NumberOfRecordsToPreAllocate = 1,//ERROR BLOCK
> +    .MaxSectionsPerRecord = 1,// Num Entries(section)
> +    .MaxRawDataLength = BlockLength, // Max Size Of a Raw Data
> +    .ErrorStatusAddress = {
> +      .AddressSpaceId = EFI_ACPI_6_1_SYSTEM_MEMORY,
> +      .RegisterBitWidth = 64,
> +      .RegisterBitOffset = 0,
> +      .AccessSize = EFI_ACPI_6_1_QWORD,
> +      .Address = 0
> +    },
> +    .NotificationStructure = {
> +      .Type = EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_GSIV,
> +      .Length = sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE),
> +      .ConfigurationWriteEnable = {0, 0, 0, 0, 0, 0, 0},
> +      .PollInterval = 0,
> +      .Vector = 0,
> +      .SwitchToPollingThresholdValue = 0,
> +      .SwitchToPollingThresholdWindow = 0,
> +      .ErrorThresholdValue = 0,
> +      .ErrorThresholdWindow = 0
> +    },
> +    .ErrorStatusBlockLength = BlockLength,
> +  };
> +  return;
> +}
> +
> +VOID
> +GhesV1AddNotification(
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *This,
> +  UINT8                                                Type
> +)
> +{
> +  This->NotificationStructure = (EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_STRUCTURE) {
> +    .Type = Type,
> +    .Length = sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE),
> +    .ConfigurationWriteEnable = {
> +      .Type = 0,
> +      .PollInterval = 1,
> +      .SwitchToPollingThresholdValue = 1,
> +      .SwitchToPollingThresholdWindow = 1,
> +      .ErrorThresholdValue = 1,
> +      .ErrorThresholdWindow = 1
> +    },
> +    .PollInterval = 20,
> +    .Vector = 0,
> +    .SwitchToPollingThresholdValue = 0,
> +    .SwitchToPollingThresholdWindow = 0,
> +    .ErrorThresholdValue = 0,
> +    .ErrorThresholdWindow = 0
> +  };
> +  return;
> +}
> +
> +EFI_STATUS GhesV1LinkErrorBlock(
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *This,
> +  UINT64                                               *ptrBlockAddress,
> +  VOID                                                 *ErrorBlock
> +)
> +{
> +  if (ErrorBlock == NULL || ptrBlockAddress == NULL || This == NULL) {
> +    return EFI_INVALID_PARAMETER;
> +  }
> +  *ptrBlockAddress = (UINTN)ErrorBlock;
> +  This->ErrorStatusAddress.Address = (UINTN) ptrBlockAddress;
> +  return EFI_SUCCESS;
> +}
> +
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.h
> new file mode 100644
> index 0000000000..20d9e55e7f
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.h
> @@ -0,0 +1,100 @@
> +
> +#ifndef GENERIC_HARDWARE_ERROR_SOURCE
> +#define GENERIC_HARDWARE_ERROR_SOURCE
> +#include "Apei.h"
> +
> +
> +typedef struct {
> +  UINT64 AckRegister;
> +  UINT64 ErrorStatusBlockAddress;
> +} GHES_REGISTER;
> +
> +typedef enum {
> +  PROCESSOR_GENERIC   = 0,
> +  PROCESSOR_IA32_X64  = 1,
> +  PROCESSOR_IPF       = 2,
> +  PROCESSOR_ARM       = 3,
> +  PLATFORM_MEMORY     = 4,
> +  PLATFORM_MEMORY2    = 5,
> +  PCIE_EXPRESS        = 6,
> +  FIRMWARE_ERROR      = 7,
> +  PCI_BUS             = 8,
> +  PCI_COMPONENT       = 9
> +} EFI_CPER_SECTION_TYPE;
> +typedef enum {
> +  RECOVERABLE = 0,
> +  FATAL = 1,
> +  CORRECTED = 2,
> +  NONE = 3
> +} ERROR_SEVERITY;
> +#define ERROR_SEVERITY_RECOVERABLE 0
> +#define ERROR_SEVERITY_FATAL       1
> +#define ERROR_SEVERITY_CORRECTED   2
> +#define ERROR_SEVERITY_NONE        3

Why not use the ones defined by <IndustryStandard/Acpi##.h> ?

> +
> +EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE*
> +ErrorBlockInitial(
> +  VOID   *Block,
> +  UINT32 Severity
> +);
> +BOOLEAN ErrorBlockAddErrorData (
> +  IN VOID                  *ErrorBlock,
> +  IN UINT32                MaxBlockLength,
> +  IN EFI_CPER_SECTION_TYPE TypeOfErrorData,
> +  IN VOID                  *GenericErrorData,
> +  IN UINT32                SizeOfGenericErrorData,
> +  IN ERROR_SEVERITY        ErrorSeverity,
> +  IN BOOLEAN               Correctable
> +);
> +BOOLEAN ErrorBlockAddErrorData (
> +  IN VOID                  *ErrorBlock,
> +  IN UINT32                MaxBlockLength,
> +  IN EFI_CPER_SECTION_TYPE TypeOfErrorData,
> +  IN VOID                  *GenericErrorData,
> +  IN UINT32                SizeOfGenericErrorData,
> +  IN ERROR_SEVERITY        ErrorSeverity,
> +  IN BOOLEAN               Correctable
> +);
> +
> +VOID
> +GhesV2Initial (
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *GhesV2,
> +  UINT32                                                          BlockLength
> +);
> +
> +/**
> +@param type - one of HARDWARE_ERROR_NOTIFICATION Type, GSIV For ARM,and SCI for X86,
> +              Notice: Windows OS hadn't support to GSIV, 20171026
> +*/
> +VOID
> +GhesV2AddNotification (
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *This,
> +  UINT8                                                           Type
> +);
> +
> +
> +EFI_STATUS
> +GhesV2LinkErrorBlock (
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE *GhesV2,
> +  GHES_REGISTER                                                  *Register,
> +  VOID                                                           *ErrorBlock
> +);
> +VOID
> +GhesV1Initial (
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *GhesV1,
> +  UINT32                                               BlockLength
> +);
> +VOID
> +GhesV1AddNotification (
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *This,
> +  UINT8                                                Type
> +);
> +EFI_STATUS
> +GhesV1LinkErrorBlock (
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *This,
> +  UINT64                                               *ptrBlockAddress,
> +  VOID                                                 *ErrorBlock
> +);
> +
> +
> +#endif
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.c
> new file mode 100644
> index 0000000000..514a259a54
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.c
> @@ -0,0 +1,379 @@
> +/** @file
> +*
> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
> +*
> +*  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.
> +*
> +**/
> +#include "erst.h"
> +#include <Guid/Cper.h>
> +
> +typedef struct {
> +  EFI_ACPI_6_1_ERROR_RECORD_SERIALIZATION_TABLE_HEADER ErstTableHeader;
> +  EFI_ACPI_6_1_ERST_SERIALIZATION_INSTRUCTION_ENTRY    ErstInstructionEntry[ERST_ACTION_NO];
> +} ERST_TABLE;
> +
> +ERST_TABLE mErst = {
> +  {
> +    ARM_ACPI_HEADER(
> +      EFI_ACPI_6_0_ERROR_RECORD_SERIALIZATION_TABLE_SIGNATURE,
> +      EFI_ACPI_6_0_ERROR_RECORD_SERIALIZATION_TABLE_HEADER,
> +      EFI_ACPI_6_0_ERROR_RECORD_SERIALIZATION_TABLE_REVISION
> +    ),
> +    sizeof(EFI_ACPI_6_0_ERROR_RECORD_SERIALIZATION_TABLE_HEADER),
> +    {
> +      0x0,
> +      0x0,
> +      0x0,
> +      0x0
> +    },
> +    ERST_ACTION_NO,
> +  },
> +  {
> +    {
> +      // 0 EFI_ACPI_6_0_ERST_BEGIN_WRITE_OPERATION
> +      EFI_ACPI_6_0_ERST_BEGIN_WRITE_OPERATION,
> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      ERST_BEGIN_WRITE_VALUE,
> +      ERST_BEGIN_WRITE_MASK
> +    },
> +    {
> +      // 1 EFI_ACPI_6_0_ERST_BEGIN_READ_OPERATION
> +      EFI_ACPI_6_0_ERST_BEGIN_READ_OPERATION,
> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      ERST_BEGIN_READ_VALUE,
> +      ERST_BEGIN_READ_MASK
> +    },
> +    {
> +      // 2 EFI_ACPI_6_0_ERST_BEGIN_CLEAR_OPERATION
> +      EFI_ACPI_6_0_ERST_BEGIN_CLEAR_OPERATION,
> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      ERST_BEGIN_CLEAR_VALUE,
> +      ERST_BEGIN_CLEAR_MASK
> +    },
> +    {
> +      // 3 EFI_ACPI_6_0_ERST_END_OPERATION
> +      EFI_ACPI_6_0_ERST_END_OPERATION,
> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
> +      EFI_ACPI_6_0_ERST_PRESERVE_REGISTER,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      ERST_END_OPERATION_VALUE,
> +      ERST_END_OPERATION_MASK
> +    },
> +    {
> +      // 4 EFI_ACPI_6_0_ERST_SET_RECORD_OFFSET
> +      EFI_ACPI_6_0_ERST_SET_RECORD_OFFSET,
> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      ERST_MASK
> +    },
> +    {
> +      // 5 EFI_ACPI_6_0_ERST_EXECUTE_OPERATION
> +      EFI_ACPI_6_0_ERST_EXECUTE_OPERATION,
> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_DWORD,
> +        0x94730000
> +      },
> +      0x0002,
> +      0x0002
> +    },
> +    {
> +      // 6 EFI_ACPI_6_0_ERST_CHECK_BUSY_STATUS
> +      EFI_ACPI_6_0_ERST_CHECK_BUSY_STATUS,
> +      EFI_ACPI_6_0_ERST_READ_REGISTER_VALUE,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0x00000001,
> +      0x00000001
> +    },
> +    {
> +      // 7 EFI_ACPI_6_0_ERST_GET_COMMAND_STATUS
> +      EFI_ACPI_6_0_ERST_GET_COMMAND_STATUS,
> +      EFI_ACPI_6_0_ERST_READ_REGISTER,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      ERST_MASK
> +    },
> +    {
> +      // 8 EFI_ACPI_6_0_ERST_GET_RECORD_IDENTIFIER
> +      EFI_ACPI_6_0_ERST_GET_RECORD_IDENTIFIER,
> +      EFI_ACPI_6_0_ERST_READ_REGISTER,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      ERST_MASK
> +    },
> +    {
> +      // 9 EFI_ACPI_6_0_ERST_SET_RECORD_IDENTIFIER
> +      EFI_ACPI_6_0_ERST_SET_RECORD_IDENTIFIER,
> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      ERST_MASK
> +    },
> +    {
> +      // A EFI_ACPI_6_0_ERST_GET_RECORD_COUNT
> +      EFI_ACPI_6_0_ERST_GET_RECORD_COUNT,
> +      EFI_ACPI_6_0_ERST_READ_REGISTER,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      ERST_MASK
> +    },
> +    {
> +      // B EFI_ACPI_6_0_ERST_BEGIN_DUMMY_WRITE_OPERATION
> +      EFI_ACPI_6_0_ERST_BEGIN_DUMMY_WRITE_OPERATION,
> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      ERST_MASK
> +    },
> +    {
> +      // C RESERVED
> +      0x0C,
> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      ERST_MASK
> +    },
> +    {
> +      // D EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE
> +      EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE,
> +      EFI_ACPI_6_0_ERST_READ_REGISTER,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      ERST_MASK
> +    },
> +    {
> +      // E EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE_LENGTH
> +      EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE_LENGTH,
> +      EFI_ACPI_6_0_ERST_READ_REGISTER,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      ERST_MASK
> +    },
> +    {
> +      // F EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE_ATTRIBUTES
> +      EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE_ATTRIBUTES,
> +      EFI_ACPI_6_0_ERST_READ_REGISTER,
> +      0,
> +      0,
> +      {
> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
> +        64,
> +        0,
> +        EFI_ACPI_6_0_QWORD,
> +        0
> +      },
> +      0,
> +      ERST_MASK
> +    }
> +  }
> +};
> +
> +VOID
> +ErstSetAcpiTable (
> +  ERST_BOOT_CONTEXT *Context
> +)
> +{
> +  UINTN                     AcpiTableHandle;
> +  EFI_STATUS                Status;
> +  UINT8                     Checksum;
> +  mErst.ErstTableHeader.Header.Length = sizeof (ERST_TABLE);
> +  Checksum = CalculateCheckSum8((UINT8*)(&mErst), mErst.ErstTableHeader.Header.Length);
> +  mErst.ErstTableHeader.Header.Checksum = Checksum;
> +  AcpiTableHandle = 0;
> +  Status = mAcpiTableProtocol->InstallAcpiTable (
> +             mAcpiTableProtocol,
> +             &mErst,
> +             mErst.ErstTableHeader.Header.Length,
> +             &AcpiTableHandle
> +             );
> +  ASSERT_EFI_ERROR (Status) ;
> +}
> +
> +EFI_STATUS
> +ErstHeaderCreator (
> +  ERST_BOOT_CONTEXT  *Context,
> +  UINT64             BufferSize,//ERST_DATASTORE_SIZE
> +  VOID               *NvRamAddrRange,
> +  UINT64             NvRamAllRecordLength,
> +  UINT64             NvRamAddrRangeLength
> +)
> +{
> +  EFI_STATUS            Status = EFI_SUCCESS;
> +  ERST_RT_CONTEXT       *ErstRtCtx;
> +  //
> +  ErstRtCtx = AllocateReservedZeroPool (sizeof (ERST_RT_CONTEXT));
> +  ErstRtCtx->Operation = ERST_END_OPERATION;
> +  ErstRtCtx->RecordOffset = 0;
> +  ErstRtCtx->BusyStatus = 0;
> +  ErstRtCtx->CommandStatus = 0;
> +  ErstRtCtx->KeyRecordId = 0;
> +  ErstRtCtx->MaxTimeOfExecuteOperation = (UINT64)(-1);

Better to use MAX_UINT64.

> +  ErstRtCtx->RecordCount = 0;
> +  ErstRtCtx->ErrorLogAddressRange = (UINT64) AllocateReservedZeroPool (BufferSize);

No space after (UINT64).

> +  ErstRtCtx->ErrorLogAddressRangeLength = BufferSize;
> +  ErstRtCtx->ErrorLogAttributes = 0;
> +  ErstRtCtx->NvRamLogAddrRange = NvRamAddrRange;
> +  ErstRtCtx->NvRamLogAddrRangeLength = NvRamAddrRangeLength;
> +  ErstRtCtx->NvRamRecordOffset = 0;
> +  ErstRtCtx->NvRamNextVallidRecordId = (UINT64)(-1);

Better to use MAX_UINT64.

> +  ErstRtCtx->NvRamNextValidRecordOffset = 0;
> +  ErstRtCtx->NvRamAllRecordLength = NvRamAllRecordLength;
> +  mErst.ErstInstructionEntry[0].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->Operation));
> +  mErst.ErstInstructionEntry[1].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->Operation));
> +  mErst.ErstInstructionEntry[2].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->Operation));
> +  mErst.ErstInstructionEntry[3].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->Operation));
> +  mErst.ErstInstructionEntry[4].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->RecordOffset));
> +  mErst.ErstInstructionEntry[6].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->BusyStatus));
> +  mErst.ErstInstructionEntry[7].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->CommandStatus));
> +  mErst.ErstInstructionEntry[8].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->NvRamNextVallidRecordId));
> +  mErst.ErstInstructionEntry[9].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->KeyRecordId));
> +  mErst.ErstInstructionEntry[10].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->RecordCount));
> +  mErst.ErstInstructionEntry[11].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->DummyWrite));
> +  mErst.ErstInstructionEntry[12].RegisterRegion.Address = 0;
> +  mErst.ErstInstructionEntry[13].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->ErrorLogAddressRange));
> +  mErst.ErstInstructionEntry[14].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->ErrorLogAddressRangeLength));
> +  mErst.ErstInstructionEntry[15].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->ErrorLogAttributes));
> +  Context->ErstHeader = (EFI_ACPI_6_1_ERROR_RECORD_SERIALIZATION_TABLE_HEADER*)&mErst;
> +  Context->ExecuteOperationEntry = &(mErst.ErstInstructionEntry[5]);
> +  Context->GetErrorLogAddrRangeAttributes = &(mErst.ErstInstructionEntry[15]);
> +  Context->Rt = ErstRtCtx;
> +  return Status;
> +};
> +
> +VOID
> +SetAttributeOfErrorLogAddressRange (
> +  ERST_BOOT_CONTEXT  *Context,
> +  UINT64             Attribute
> +)
> +{
> +  Context->Rt->ErrorLogAttributes = Attribute & 0x7;

What's that 0x7?

> +  return;
> +}
> +
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.h
> new file mode 100644
> index 0000000000..1dfa4f4245
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.h
> @@ -0,0 +1,145 @@
> +/** @file
> +*
> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
> +*
> +*  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 _ERST_H_
> +#define _ERST_H_
> +
> +#include "Apei.h"
> +
> +#define ERST_STATUS_SUCCESS                 EFI_ACPI_6_1_ERST_STATUS_SUCCESS
> +#define ERST_STATUS_NOT_ENOUGH_SPACE        EFI_ACPI_6_1_ERST_STATUS_NOT_ENOUGH_SPACE
> +#define ERST_STATUS_HARDWARE_NOT_AVAILABLE  EFI_ACPI_6_1_ERST_STATUS_HARDWARE_NOT_AVAILABLE
> +#define ERST_STATUS_FAILED                  EFI_ACPI_6_1_ERST_STATUS_FAILED
> +#define ERST_STATUS_RECORD_STORE_EMPTY      EFI_ACPI_6_1_ERST_STATUS_RECORD_STORE_EMPTY
> +#define ERST_STATUS_RECORD_NOT_FOUND        EFI_ACPI_6_1_ERST_STATUS_RECORD_NOT_FOUND
> +
> +#define ERST_BEGIN_WRITE_VALUE              0x01
> +#define ERST_BEGIN_WRITE_MASK               0xFFFFFFFFFFFFFFFF
> +#define ERST_BEGIN_READ_VALUE               0x02
> +#define ERST_BEGIN_READ_MASK                0xFFFFFFFFFFFFFFFF
> +#define ERST_BEGIN_CLEAR_VALUE              0x03
> +#define ERST_BEGIN_CLEAR_MASK               0xFFFFFFFFFFFFFFFF
> +#define ERST_END_OPERATION_VALUE            0x04
> +#define ERST_END_OPERATION_MASK             0xFFFFFFFFFFFFFFFF
> +#define ERST_MASK                           0xFFFFFFFFFFFFFFFF
> +
> +#define ERST_BEGIN_WRITE_OPERATION          EFI_ACPI_6_1_ERST_BEGIN_WRITE_OPERATION
> +#define ERST_BEGIN_READ_OPERATION           EFI_ACPI_6_1_ERST_BEGIN_READ_OPERATION
> +#define ERST_BEGIN_CLEAR_OPERATION          EFI_ACPI_6_1_ERST_BEGIN_CLEAR_OPERATION
> +#define ERST_END_OPERATION                  EFI_ACPI_6_1_ERST_END_OPERATION
> +#define ERST_BEGIN_DUMMY_WRITE_OPERATION    EFI_ACPI_6_1_ERST_BEGIN_DUMMY_WRITE_OPERATION
> +
> +#define ERST_ACTION_NO                      16
> +
> +#define ERST_RECORD_FREE                    0x00
> +#define ERST_RECORD_INUSE                   0x01
> +
> +#define ERST_RECORD_STORE_IN_NVRAM          0
> +#define ERST_RECORD_STORE_IN_MEM            1
> +#define ERST_RECORD_STORE_IN_SPI_FLASH      2
> +
> +#define ERST_LOG_ATTR_NVRAM                 0x02
> +
> +typedef struct {
> +  UINT64 OperationId;
> +  UINT64 RecordOffset;
> +  UINT64 BusyStatus;
> +  UINT64 CommandStatus;
> +  UINT64 GetRecordId;
> +  UINT64 SetRecordId;
> +  UINT64 RecordCount;
> +  UINT64 DummyWrite;
> +  UINT64 Reserved;
> +  UINT64 ErrorLogAddrRange;
> +  UINT64 ErrorLogAddrRangeLength;
> +  UINT64 ErrorLogAttributes;
> +  UINT64 NvRamLogAddrNext;
> +  UINT64 NvRamLogSizeRemain;
> +} ERST_DATA_STRUCTURE;
> +
> +typedef struct {
> +  UINT16 Signature;
> +  UINT16 Data0;
> +  UINT16 Data1;
> +  UINT8  Data2;
> +  UINT8  Attributes; //0: free
> +} ERST_ERROR_RECORD_INFO;
> +
> +///
> +/// ERST Table
> +///
> +
> +
> +
> +typedef struct _ERST_CONTEXT {
> +  UINT64 Operation;                 // WRITE,READ,CLEAR,END,
> +  UINT64 DummyWrite;//DUMMY_WRITE_OPEATION
> +  UINT64 RecordOffset;              // Offset form the buffer(error log  adress range)
> +  UINT32 BusyStatus;
> +  UINT32 CommandStatus;
> +  UINT64 KeyRecordId;              //OS Set the Record ID To Read/Write/Search
> +  UINT64 MaxTimeOfExecuteOperation;
> +  UINT64 RecordCount;              // Num of Record In NVRAM
> +  UINT64 ErrorLogAddressRange;     // Address Of Range Top
> +  UINT64 ErrorLogAddressRangeLength;     // Address Of Range Top
> +  UINT64 ErrorLogAttributes;
> +  VOID   *NvRamLogAddrRange;
> +  UINT64 NvRamLogAddrRangeLength;
> +  UINT64 NvRamRecordOffset;
> +  UINT64 NvRamNextVallidRecordId;    //Get RecordId entry
> +  UINT64 NvRamNextValidRecordOffset;
> +  UINT64 NvRamAllRecordLength;
> +} ERST_RT_CONTEXT;

Please align the comments a bit better.

> +
> +typedef struct _ERST_BOOT_CONTEXT {
> +  EFI_ACPI_6_1_ERROR_RECORD_SERIALIZATION_TABLE_HEADER *ErstHeader;
> +  EFI_ACPI_6_1_ERST_SERIALIZATION_INSTRUCTION_ENTRY    *ExecuteOperationEntry;
> +  EFI_ACPI_6_1_ERST_SERIALIZATION_INSTRUCTION_ENTRY    *GetErrorLogAddrRangeAttributes;
> +  ERST_RT_CONTEXT                                      *Rt;
> +} ERST_BOOT_CONTEXT;
> +
> +extern EFI_ACPI_TABLE_PROTOCOL              *mAcpiTableProtocol;
> +extern APEI_TRUSTFIRMWARE_STRUCTURE         *mApeiTrustfirmwareStruc;
> +
> +EFI_STATUS
> +ErstHeaderCreator(
> +  ERST_BOOT_CONTEXT  *Context,
> +  UINT64             BufferSize,//ERST_DATASTORE_SIZE
> +  VOID               *NvRamAddrRange,
> +  UINT64             NvRamAllRecordLength,
> +  UINT64             NvRamAddrRangeLength
> +);
> +
> +VOID
> +SetAttributeOfErrorLogAddressRange (
> +  ERST_BOOT_CONTEXT  *Context,
> +  UINT64             Attribute
> +);
> +
> +/***OEM***/
> +EFI_STATUS
> +OemInitErstTable (VOID);
> +
> +EFI_STATUS
> +OemErstConfigExecuteOperationEntry (
> +  ERST_BOOT_CONTEXT *Context
> +);
> +
> +VOID
> +ErstSetAcpiTable (
> +  ERST_BOOT_CONTEXT *Context
> +);
> +
> +
> +#endif    // _ERST_H_
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.c
> new file mode 100644
> index 0000000000..76296de95d
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.c
> @@ -0,0 +1,98 @@
> +#include "ErrorSource/Ghes.h"
> +#include "hest.h"
> +
> +EFI_STATUS HestAddErrorSourceDescriptor (
> +  IN OUT HEST_CONTEXT  *Context,
> +  IN VOID              *ErrorSourceDescriptor,
> +  IN UINT32            SizeOfDescriptor
> +)
> +{
> +  UINT16                                          *pSourceId;
> +  VOID                                            *Descriptor;
> +  EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER *HestHeader;
> +
> +  if ((Context == NULL) || (ErrorSourceDescriptor == NULL)) {
> +    return EFI_INVALID_PARAMETER;
> +  }
> +  HestHeader = Context->HestHeader;
> +  if (HestHeader->Header.Length + SizeOfDescriptor > Context->OccupiedMemorySize) {
> +    DEBUG ((DEBUG_ERROR, "[%a]:[%dL]: Hest Size Too small\n", __FUNCTION__, __LINE__));
> +    return EFI_BUFFER_TOO_SMALL;
> +  }
> +  Descriptor = (UINT8*)HestHeader + HestHeader->Header.Length;
> +  gBS->CopyMem ((VOID*)Descriptor , ErrorSourceDescriptor, SizeOfDescriptor);
> +  pSourceId = Descriptor + sizeof (UINT16);
> +  *pSourceId = HestHeader->ErrorSourceCount;
> +  HestHeader->Header.Length += SizeOfDescriptor;
> +  HestHeader->ErrorSourceCount++;
> +  Context->KeyErrorSource = Descriptor;
> +  return EFI_SUCCESS;
> +}
> +
> +VOID
> +HestSetAcpiTable(
> +  IN HEST_CONTEXT  *Context
> +)
> +{
> +  UINTN                     AcpiTableHandle;
> +  EFI_STATUS                Status;
> +  UINT8                     Checksum;
> +  EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER *HestHeader;
> +  EFI_ACPI_SDT_HEADER       *Table;
> +  EFI_ACPI_TABLE_VERSION    TableVersion;
> +  UINTN                     TableKey;
> +  UINT32                    i;

I.

> +  if (Context == NULL) {
> +    DEBUG ((DEBUG_ERROR, "[%a]:[%dL]: ERROR\n", __FUNCTION__, __LINE__));
> +    return;
> +  }
> +
> +  HestHeader = Context->HestHeader;
> +  Checksum = CalculateCheckSum8 ((UINT8*)(HestHeader),  HestHeader->Header.Length);
> +  HestHeader->Header.Checksum = Checksum;
> +  AcpiTableHandle = 0;
> +  // see AcpiTableProtocol.c InstallAcpiTable
> +  Status = mAcpiTableProtocol->InstallAcpiTable (
> +                                  mAcpiTableProtocol,
> +                                  HestHeader,
> +                                  HestHeader->Header.Length,
> +                                  &AcpiTableHandle);
> +  for (i = 0; i < EFI_ACPI_MAX_NUM_TABLES; i++) {
> +    Status = mAcpiSdtProtocol->GetAcpiTable (i, &Table, &TableVersion, &TableKey);
> +    if (EFI_ERROR (Status)) {
> +      break;
> +    }
> +    if (Table->Signature != EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_SIGNATURE) {
> +      continue;
> +    }
> +    mApeiTrustfirmwareStruc->HestTableAddress = (EFI_PHYSICAL_ADDRESS)Table;
> +    DEBUG ((DEBUG_ERROR, "Acpi HestSetAcpiTable Table = 0x%x.\n", (EFI_PHYSICAL_ADDRESS)Table));
> +  }
> +  DEBUG ((DEBUG_ERROR, "[%a]:[%dL]:OUT %llx, IN %llx \n", __FUNCTION__, __LINE__, AcpiTableHandle, Context->HestHeader));
> +  // TBD free Hest Buffer

If the buffer needs freeing, free it. Don't talk about it.

> +  return;
> +}
> +
> +EFI_STATUS
> +HestHeaderCreator(
> +  HEST_CONTEXT  *Context,
> +  UINT32        PreAllocatedHestSize
> +)
> +{
> +  DEBUG ((DEBUG_ERROR, "[%a]:[%dL]: \n", __FUNCTION__, __LINE__));
> +  if (PreAllocatedHestSize < sizeof (EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER)) {
> +    return EFI_BUFFER_TOO_SMALL;
> +  }
> +  Context->HestHeader = AllocateReservedZeroPool (PreAllocatedHestSize);
> +  *Context->HestHeader = (EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER) {
> +   ARM_ACPI_HEADER (
> +      EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_SIGNATURE,
> +      EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER,
> +      EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_REVISION
> +    ),
> +    0x0
> +  };
> +  Context->KeyErrorSource = Context->HestHeader + 1;
> +  Context->OccupiedMemorySize = PreAllocatedHestSize;
> +  return EFI_SUCCESS;
> +}
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.h
> new file mode 100644
> index 0000000000..09fe985025
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.h
> @@ -0,0 +1,58 @@
> +/** @file
> +*
> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
> +*
> +*  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 _HEST_H_
> +#define _HEST_H_
> +
> +#include "Apei.h"
> +
> +
> +typedef struct _HEST_CONTEXT {
> +  EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER  *HestHeader;         // pointer to hest header
> +  UINT32                                           OccupiedMemorySize; // allocated memory size for hest
> +  VOID                                             *KeyErrorSource;     // key error source, valtile
> +} HEST_CONTEXT;
> +
> +EFI_STATUS
> +HestAddErrorSourceDescriptor (
> +  IN OUT HEST_CONTEXT  *Context,
> +  IN VOID              *ErrorSourceDescriptor,
> +  IN UINT32            SizeOfDescriptor
> +);
> +VOID
> +HestSetAcpiTable (
> +  IN HEST_CONTEXT *Context
> +);
> +EFI_STATUS
> +HestHeaderCreator (
> +  HEST_CONTEXT  *Context,
> +  UINT32        PreAllocatedHestSize
> +);
> +
> +/**
> +* OEM Interface declaration
> +* 1.Interface is not realized default
> +* 2.OEM should implement this interface
> +*/
> +extern
> +VOID
> +OemHestInitialNotification (VOID);
> +
> +extern
> +EFI_STATUS
> +OemInitHestTable(
> +  IN EFI_HANDLE ImageHandle
> +);
> +
> +#endif    // _HEST_H_
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.c
> new file mode 100644
> index 0000000000..3eb28b9549
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.c
> @@ -0,0 +1,303 @@
> +#include <Guid/Cper.h>
> +#include <Uefi/UefiBaseType.h>
> +#include "Bert/bert.h"
> +#include "Einj/einj.h"
> +#include "ErrorSource/Ghes.h"
> +#include "Erst/erst.h"
> +#include "Hest/hest.h"
> +#include "OemApeiHi1620.h"
> +
> +VOID
> +GpioCombInit (
> +  UINTN  Base,
> +  UINT32 Pin
> +)
> +{
> +  UINT32 Val = MmioRead32 (Base + GPIO_INT_MASK);
> +  MmioWrite32 (Base + GPIO_INT_MASK, Val | Pin);
> +  Val = MmioRead32 (Base + GPIO_INT_EN);
> +  MmioWrite32 (Base + GPIO_INT_EN, Val | Pin);
> +  Val = MmioRead32 (Base + GPIO_SWPORT_DDR);
> +  MmioWrite32 (Base + GPIO_SWPORT_DDR, Val & (~Pin));
> +  Val = MmioRead32 (Base + GPIO_INT_TYPE);
> +  MmioWrite32 (Base + GPIO_INT_TYPE, Val & (~Pin));
> +  Val = MmioRead32 (Base + GPIO_INT_POLARITY);
> +  MmioWrite32 (Base + GPIO_INT_POLARITY, Val | Pin);
> +  Val = MmioRead32 (Base + GPIO_LS_SYNC);
> +  MmioWrite32 (Base + GPIO_LS_SYNC, Val & (~Pin));
> +  MmioWrite32 (Base + GPIO_INT_COMB, 1);
> +  return;
> +}
> +/************************************************
> +*************** HEST ***************
> +************************************************/
> +
> +/*****************************************************************************
> +* @param EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE* GhesV2,Vector of GhesV2
> +* @param UINT8 NumOfGhesV2
> +* @param_out
> +* @retval EFI_STATUS
> +*****************************************************************************/
> +EFI_STATUS
> +GhesV2ContextForHest (
> +  IN EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE GhesV2[MAX_GHES],
> +  IN UINT8                                                          NumOfGhesV2
> +)
> +{
> +  // ensuce the size is expected
> +  if ((GhesV2 == NULL) || (NumOfGhesV2 != MAX_GHES)) {
> +    return EFI_INVALID_PARAMETER;
> +  }
> +  //current?? only  1 block per ghes is supported
> +  UINT8  NumOfBlockPerGhes = 1;

When are you intending to add support for more?
If not imminently, just leave this overhead out for now.

> +  UINT8  iter = 0;

I.

> +  UINT32 BlockMemorySize = MAX_GHES * (sizeof (GHES_REGISTER) + NumOfBlockPerGhes * GENERIC_HARDWARE_ERROR_BLOCK_SIZE);
> +  UINT32 ErrorSeverityArray[MAX_GHES] = {ERROR_SEVERITY_RECOVERABLE, ERROR_SEVERITY_FATAL, ERROR_SEVERITY_CORRECTED};

Wrap long lines.

> +  VOID   *ErrorBlockHead;
> +  VOID   *ErrorBlock;
> +  VOID   *BlockMemory;
> +  GHES_REGISTER  *GhesRegisters;
> +  EFI_STATUS     Status = EFI_SUCCESS;
> +  Status = gBS->AllocatePool (
> +             EfiReservedMemoryType,
> +             BlockMemorySize,
> +             & BlockMemory

No space after '&'.

> +           );
> +  if (EFI_ERROR (Status)) {
> +    return Status;
> +  }
> +  gBS->SetMem (
> +    BlockMemory,
> +    BlockMemorySize,
> +    0
> +    );

Above call would easily fit on a single line.

> +  GhesRegisters = BlockMemory;
> +  ErrorBlockHead = BlockMemory + MAX_GHES * sizeof (GHES_REGISTER);
> +  ErrorBlock = ErrorBlockHead;
> +  for (iter = 0; iter < MAX_GHES; iter++) {
> +    GhesV2Initial (&GhesV2[iter], GENERIC_HARDWARE_ERROR_BLOCK_SIZE);
> +    GhesV2AddNotification (&GhesV2[iter], EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_GSIV);
> +    ErrorBlockInitial (ErrorBlock, ErrorSeverityArray[iter]);
> +    GhesV2LinkErrorBlock (&GhesV2[iter], &GhesRegisters[iter], ErrorBlock);
> +    ErrorBlock += GhesV2[iter].ErrorStatusBlockLength;
> +  }
> +  return EFI_SUCCESS;
> +}
> +/*****************************************************************************
> +* @param EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE* GhesV2,Vector of GhesV2
> +* @param UINT8 NumOfGhesV2
> +* @param_out
> +* @retval EFI_STATUS
> +*****************************************************************************/
> +
> +EFI_STATUS
> +GhesV1ContextForHest(
> +  IN EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE GhesV1[MAX_GHES],
> +  IN UINT8                                                NumOfGhesV1
> +)
> +{
> +  // ensuce the size is expected
> +  if ((GhesV1 == NULL) || (NumOfGhesV1 != MAX_GHES)) {
> +    return EFI_INVALID_PARAMETER;
> +  }
> +  //current?? only  1 block per ghes is supported
> +  UINT8      NumOfBlockPerGhes = 1;

Same as for previous function.

> +  UINT8      iter = 0;

I.

> +  UINT32     BlockMemorySize = MAX_GHES * (sizeof (UINT64) + NumOfBlockPerGhes * GENERIC_HARDWARE_ERROR_BLOCK_SIZE);
> +  UINT32     ErrorSeverityArray[MAX_GHES] = {ERROR_SEVERITY_RECOVERABLE, ERROR_SEVERITY_FATAL, ERROR_SEVERITY_CORRECTED};

Wrap long lines.

> +  VOID       *ErrorBlockHead;
> +  VOID       *ErrorBlock;
> +  VOID       *BlockMemory;
> +  UINT64     *ptrBlockAddress;
> +  EFI_STATUS Status = EFI_SUCCESS;
> +  Status = gBS->AllocatePool (
> +             EfiReservedMemoryType,
> +             BlockMemorySize,
> +             & BlockMemory

No space after '&'.

> +           );
> +  if (EFI_ERROR (Status)) {
> +    return Status;
> +  }
> +  gBS->SetMem (
> +    BlockMemory,
> +    BlockMemorySize,
> +    0
> +  );

Unwrap short lone.

> +  ptrBlockAddress = BlockMemory;
> +  ErrorBlockHead = BlockMemory + MAX_GHES * sizeof (UINT64);
> +  ErrorBlock = ErrorBlockHead;
> +  for (iter = 0; iter < MAX_GHES; iter++) {
> +    GhesV1Initial (&GhesV1[iter], GENERIC_HARDWARE_ERROR_BLOCK_SIZE);
> +    GhesV1AddNotification (&GhesV1[iter], EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_GSIV);
> +    ErrorBlockInitial (ErrorBlock, ErrorSeverityArray[iter]);
> +    GhesV1LinkErrorBlock (&GhesV1[iter], &ptrBlockAddress[iter], ErrorBlock);
> +    ErrorBlock += GhesV1[iter].ErrorStatusBlockLength;
> +  }
> +  return EFI_SUCCESS;
> +}
> +
> +VOID
> +OemHestInitialNotification ()
> +{
> +  // GPIO init
> +  // use int_msk to simulate
> +  UINTN Base = IOMUX_REG_BASE;
> +  //GPIO9, in document 'PhosphorV680 Totemiomux' iomg051,
> +  //Set GPIO9 to pad_ex_int1
> +  MmioWrite32(Base + IOMG051, PAD_EX_INT1);

Spave before '('.

> +  return;
> +}
> +
> +VOID
> +OemEinjInitialNotification ()
> +{
> +  UINTN Base = IOMUX_REG_BASE;
> +  //use TB_GPIO_PIN10 for EINJ
> +  MmioWrite32 (Base + IOMG052, PAD_EX_INT1);
> +  return;
> +}
> +
> +EFI_STATUS
> +OemInitHestTable(
> +  IN EFI_HANDLE         ImageHandle
> +)
> +{
> +  EFI_STATUS                                                     Status = EFI_SUCCESS;
> +  HEST_CONTEXT                                                   HestContext;
> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE GhesV2[MAX_GHES];
> +  Status = HestHeaderCreator (&HestContext, HEST_TABLE_SIZE);
> +  if (EFI_ERROR (Status)) {
> +    return Status;
> +  }
> +  Status = GhesV2ContextForHest(GhesV2, MAX_GHES);
> +  if (EFI_ERROR (Status)) {
> +    return Status;
> +  }
> +  Status |= HestAddErrorSourceDescriptor (&HestContext, &GhesV2[0], sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE));
> +  mApeiTrustfirmwareStruc->HestRecoverableErrorGhesV2 = HestContext.KeyErrorSource;
> +  Status |= HestAddErrorSourceDescriptor (&HestContext, &GhesV2[1], sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE));
> +  mApeiTrustfirmwareStruc->HestFatalErrorGhesV2 = HestContext.KeyErrorSource;
> +  Status |= HestAddErrorSourceDescriptor (&HestContext, &GhesV2[2], sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE));

Very long lines. Pelase wrap. (space after sizeof - apply throughout)

> +  mApeiTrustfirmwareStruc->HestCorrectedErrorGhesV2 = HestContext.KeyErrorSource;
> +  OemHestInitialNotification ();
> +  HestSetAcpiTable (&HestContext);
> +  return Status;
> +}
> +/************************************************
> +*************** BERT ***************
> +************************************************/
> +
> +EFI_STATUS
> +OemInitBertTable (
> +  IN EFI_HANDLE ImageHandle
> +)
> +{
> +  BERT_CONTEXT Context;
> +  BOOLEAN      Status;
> +  Status = BertHeaderCreator (&Context, BOOT_ERROR_REGION_SIZE);
> +  if (EFI_ERROR (Status)) {
> +    return Status;
> +  }
> +  ErrorBlockInitial (Context.Block, ERROR_SEVERITY_NONE);
> +  BertSetAcpiTable (&Context);
> +  DEBUG((DEBUG_ERROR, "[%a]:[%dL]: %r\n", __FUNCTION__, __LINE__, Status));
> +  return EFI_SUCCESS;
> +}
> +/************************************************
> +*************** EINJ ***************
> +************************************************/
> +EFI_STATUS
> +OemEinjConfigExecuteOperationEntry (
> +  EINJ_CONTEXT *Context
> +)
> +{
> +  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY* KeyEntry = Context->ExecuteOperationEntry;
> +  OemEinjInitialNotification ();
> +  //use TB_GPIO_PIN10 for EINJ
> +  KeyEntry->RegisterRegion.Address = PcdGet64 (PcdCpldBaseAddress) + CPLD_GPIO10_INT_OFFSET;
> +  KeyEntry->Mask = CPLD_MASK;
> +  KeyEntry->Value = CPLD_VALUE;
> +  return EFI_SUCCESS;
> +}
> +
> +EFI_STATUS
> +OemInitEinjTable(
> +)
> +{
> +  EFI_STATUS    Status;
> +  EINJ_CONTEXT  Context;
> +  Status = EinjHeaderCreator (&Context);
> +  if (EFI_ERROR (Status)) {
> +    return Status;
> +  }
> +  (VOID)EinjConfigErrorInjectCapability (&Context, 0xFFF);// TBD
> +  (VOID)OemEinjConfigExecuteOperationEntry (&Context);
> +  EinjSetAcpiTable (&Context);
> +  DEBUG((DEBUG_ERROR, "[%a]:[%dL]: %d\n", __FUNCTION__, __LINE__, Status));
> +  return EFI_SUCCESS;
> +}
> +/************************************************
> +*************** ERST ***************
> +************************************************/
> +
> +EFI_STATUS
> +OemErstConfigExecuteOperationEntry(
> +  ERST_BOOT_CONTEXT *Context
> +)
> +{
> +  EFI_ACPI_6_1_ERST_SERIALIZATION_INSTRUCTION_ENTRY *KeyEntry;
> +  KeyEntry = Context->ExecuteOperationEntry;
> +  KeyEntry->RegisterRegion.Address = GPIO1_BASE + GPIO_INT_MASK; //GPIO0_BASE + GPIO0_SWPORT_DR_OFFSET

I don't understand the purpose of the comment.

> +  KeyEntry->Value = 0x10;
> +  KeyEntry->Mask = 0xFFFFFFFF;
> +  GpioCombInit (GPIO1_BASE, 0xFFFF);
> +  return EFI_SUCCESS;
> +}
> +
> +BOOLEAN
> +GetNvRamRegion(
> +  OUT  VOID  **NvRamAddrRange,
> +  OUT UINT64 *NvRamAddrRangeLength
> +)
> +{
> +  /***TODO:
> +  *1. Search ER Record In
> +  *2. if found, return addr and length
> +  *3. if not found, allocal new space for record
> +  ***/

This isn't a wiki.
Feel free to write a (much more) detailed comment describing the
function and its current shortcomings.
However, comments in functions should describe what the code is
doing. Not what it is not doing.

> +  UINT32 Store = ERST_RECORD_STORE_IN_MEM;
> +  switch (Store) {
> +    case (ERST_RECORD_STORE_IN_NVRAM):
> +      break;
> +    case (ERST_RECORD_STORE_IN_MEM):
> +      * NvRamAddrRangeLength = ERST_DATASTORE_SIZE;
> +      * NvRamAddrRange = AllocateReservedZeroPool (ERST_DATASTORE_SIZE);// TODO should be real no-volatile ram

See above.

> +      break;
> +    case (ERST_RECORD_STORE_IN_SPI_FLASH):
> +      break;
> +    default:
> +      ;
> +  }
> +  return TRUE;
> +}
> +
> +/***OEM***/
> +EFI_STATUS
> +OemInitErstTable(
> +)
> +{
> +  EFI_STATUS        Status = ERST_STATUS_SUCCESS;
> +  ERST_BOOT_CONTEXT Context;
> +  UINT64            BufferSize = ERST_DATASTORE_SIZE;
> +  VOID              *NvRamAddrRange;
> +  UINT64            NvRamAddrRangeLength;
> +  UINT64            NvRamAllRecordLength;
> +
> +  GetNvRamRegion (&NvRamAddrRange, &NvRamAddrRangeLength);// TODO
> +  NvRamAllRecordLength = 0; //TODO get length of exist records In NvRam

No TODO. See previous function.

> +  Status = ErstHeaderCreator (&Context, BufferSize , NvRamAddrRange,  NvRamAllRecordLength, NvRamAddrRangeLength);

Wrap long line.

/
    Leif

> +  OemErstConfigExecuteOperationEntry (&Context);
> +  mApeiTrustfirmwareStruc->ErstContext = (VOID*)Context.Rt;
> +  ErstSetAcpiTable (&Context);
> +  return Status;
> +};
> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.h
> new file mode 100644
> index 0000000000..0488bdc050
> --- /dev/null
> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.h
> @@ -0,0 +1,28 @@
> +#ifndef OEM_APEI_HI1620_H_H
> +#define OEM_APEI_HI1620_H_H
> +#define GPIO0_BASE             0x94100000
> +#define GPIO1_BASE             0x94110000
> +#define GPIO_INT_MASK          0x34
> +#define GPIO_INT_EN            0x30
> +#define GPIO_SWPORT_DDR        0x04
> +#define GPIO_INT_TYPE          0x38
> +#define GPIO_INT_POLARITY      0x3c
> +#define GPIO_LS_SYNC           0x60
> +#define GPIO_INT_COMB          0xffc
> +#define IOMUX_REG_BASE         0x94190000
> +#define IOMG051                0xCC
> +#define IOMG052                0xD0
> +#define PAD_EX_INT1            0x4
> +#define CPLD_GPIO10_INT_OFFSET 0xfc
> +#define CPLD_BASE_ADDR         0x80000000
> +#define CPLD_MASK              0x01030000
> +#define CPLD_VALUE             0x01020000
> +
> +#define MAX_GHES                          3
> +#define GENERIC_HARDWARE_ERROR_BLOCK_SIZE 0x1000
> +#define HEST_TABLE_SIZE                   0x2000
> +#define BOOT_ERROR_REGION_SIZE            0x1000
> +#define GPIO_HEST_NOTIFIED_PIN            BIT8
> +
> +#define ERST_DATASTORE_SIZE               0x2000
> +#endif
> -- 
> 2.17.0
> 
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Re: [edk2] [PATCH edk2-platforms v1 30/38] Hisilicon/D06: add apei driver
Posted by Ming 7 years, 6 months ago

在 8/4/2018 10:47 PM, Leif Lindholm 写道:
> On Tue, Jul 24, 2018 at 03:09:14PM +0800, Ming Huang wrote:
>> From: Luqi Jiang <jiangluqi@huawei.com>
>>
>> This driver provide a means for the platform to
>> convey error information to OSPM.
>>
>> Contributed-under: TianoCore Contribution Agreement 1.1
>> Signed-off-by: Luqi Jiang <jiangluqi@huawei.com>
>> Signed-off-by: Ming Huang <ming.huang@linaro.org>
>> Signed-off-by: Heyi Guo <heyi.guo@linaro.org>
>> ---
>>  Platform/Hisilicon/D06/D06.dsc                           |   1 +
>>  Platform/Hisilicon/D06/D06.fdf                           |   1 +
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.c             |  92 +++++
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.h             |  48 +++
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf           |  63 ++++
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.c        |  86 +++++
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.h        |  42 +++
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.c        | 326 +++++++++++++++++
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h        | 154 ++++++++
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.c | 320 +++++++++++++++++
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.h | 100 ++++++
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.c        | 379 ++++++++++++++++++++
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.h        | 145 ++++++++
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.c        |  98 +++++
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.h        |  58 +++
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.c    | 303 ++++++++++++++++
>>  Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.h    |  28 ++
>>  17 files changed, 2244 insertions(+)
>>
>> diff --git a/Platform/Hisilicon/D06/D06.dsc b/Platform/Hisilicon/D06/D06.dsc
>> index 28dd7926f4..0a7681915c 100644
>> --- a/Platform/Hisilicon/D06/D06.dsc
>> +++ b/Platform/Hisilicon/D06/D06.dsc
>> @@ -344,6 +344,7 @@
>>    Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/AcpiTablesHi1620.inf
>>    Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
>>  
>> +  Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf
>>    Silicon/Hisilicon/Hi1620/Pptt/Pptt.inf
>>    #
>>    # Usb Support
>> diff --git a/Platform/Hisilicon/D06/D06.fdf b/Platform/Hisilicon/D06/D06.fdf
>> index ec424d49ed..264f717d9d 100644
>> --- a/Platform/Hisilicon/D06/D06.fdf
>> +++ b/Platform/Hisilicon/D06/D06.fdf
>> @@ -251,6 +251,7 @@ READ_LOCK_STATUS   = TRUE
>>  
>>    INF RuleOverride=ACPITABLE Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/AcpiTablesHi1620.inf
>>    INF Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
>> +  INF Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf
>>  
>>    INF Silicon/Hisilicon/Hi1620/Pptt/Pptt.inf
>>  
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.c
>> new file mode 100644
>> index 0000000000..1b108c9881
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.c
>> @@ -0,0 +1,92 @@
>> +/** @file
>> +*
>> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
>> +*
>> +*  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.
>> +*
>> +**/
>> +#include <Library/OemConfigData.h>
>> +#include <Library/UefiRuntimeServicesTableLib.h>
>> +#include "Apei.h"
>> +#include "Bert/bert.h"
> 
> Bert.h.
> 
>> +#include "Einj/einj.h"
> 
> Einj.h.
> 
>> +#include "Erst/erst.h"
> 
> Erst.h.
> 
>> +#include "Hest/hest.h"
> 
> Hest.h.

In my mind, it will fail to build by delete Hest/,
but it work. I will delete them in v2.

> 
>> +
>> +EFI_ACPI_TABLE_PROTOCOL        *mAcpiTableProtocol = NULL;
>> +EFI_ACPI_SDT_PROTOCOL          *mAcpiSdtProtocol = NULL;
>> +APEI_TRUSTFIRMWARE_STRUCTURE   *mApeiTrustfirmwareStruc;
> 
> TrustedFirmware.
> Struct, rather than Struc.
> But also, Struct isn't a very descriptive name. We already know it's
> some form of struct. What about Context? Data?

I think Data is good.

> 
>> +
>> +EFI_STATUS
>> +EFIAPI
>> +ApeiEntryPoint(
>> +  IN EFI_HANDLE          ImageHandle,
>> +  IN EFI_SYSTEM_TABLE    *SystemTable
>> +)
>> +{
>> +  EFI_STATUS              Status;
>> +  ARM_SMC_ARGS            SmcRegs = {0};
>> +  UINTN                   Size = sizeof (OEM_CONFIG_DATA);
>> +  OEM_CONFIG_DATA         SetupData;
>> +
>> +  Status = gRT->GetVariable (
>> +             OEM_CONFIG_NAME,
>> +             &gOemConfigGuid,
>> +             NULL,
>> +             &Size,
>> +             &SetupData
>> +             );
>> +  if (EFI_ERROR (Status)) {
>> +    SetupData.EnRasSupport = 1;
>> +    DEBUG ((DEBUG_ERROR, "[%a]GetVariable %r.Get default variable value\n", __FUNCTION__, Status));
> 
> Quite long lines in this function. Please wrap at 80.
> 
>> +  }
>> +  if (!SetupData.EnRasSupport) {
>> +    return EFI_ABORTED;
>> +  }
>> +  if (PcdGet64 (PcdTrustedFirmwareEnable) == 0) {
>> +    return EFI_ABORTED;
>> +  }
>> +  Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID**)&mAcpiTableProtocol);
>> +  if (EFI_ERROR (Status)) {
>> +    return Status;
>> +  }
>> +  Status = gBS->LocateProtocol (&gEfiAcpiSdtProtocolGuid, NULL, (VOID**) &mAcpiSdtProtocol);
>> +  if (EFI_ERROR (Status)) {
>> +    return Status;
>> +  }
>> +  Status = gBS->AllocatePool (
>> +             EfiReservedMemoryType,
>> +             sizeof(APEI_TRUSTFIRMWARE_STRUCTURE),
> 
> Space before (. Please search and replace throughout this patch.

OK

> 
>> +             (VOID**)&mApeiTrustfirmwareStruc
>> +           );
>> +  if (EFI_ERROR (Status)) {
>> +    return Status;
>> +  }
>> +  gBS->SetMem (
>> +    mApeiTrustfirmwareStruc,
>> +    sizeof (APEI_TRUSTFIRMWARE_STRUCTURE),
>> +    0
>> +  );
>> +  Status = EFI_SUCCESS;
>> +  Status |= OemInitBertTable (ImageHandle);
>> +  Status |= OemInitHestTable (ImageHandle);
>> +  Status |= OemInitErstTable ();
>> +  Status |= OemInitEinjTable ();
>> +  // smc call
>> +  DEBUG ((DEBUG_INFO, "[%a]:[%dL]: %r\n", __FUNCTION__, __LINE__, Status));
>> +  if (Status == EFI_SUCCESS) {
>> +    SmcRegs.Arg0 = PRIVATE_ARM_SMC_ID_APEI;
>> +    SmcRegs.Arg1 = (UINTN)mApeiTrustfirmwareStruc;
>> +    ArmCallSmc (&SmcRegs);
>> +  }
>> +  DEBUG ((DEBUG_INFO, "Acpi Apei init done.\n"));
>> +  return EFI_SUCCESS;
>> +}
>> +
>> +
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.h
>> new file mode 100644
>> index 0000000000..39f028b203
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.h
>> @@ -0,0 +1,48 @@
>> +/** @file
>> +*
>> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
>> +*
>> +*  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 _APEI_H_
>> +#define _APEI_H_
>> +
>> +#include <Hi1620Platform.h>
>> +#include <IndustryStandard/Acpi.h>
>> +#include <Library/ArmSmcLib.h>
>> +#include <Library/BaseMemoryLib.h>
>> +#include <Library/DebugLib.h>
>> +#include <Library/IoLib.h>
>> +#include <Library/MemoryAllocationLib.h>
>> +#include <Library/UefiBootServicesTableLib.h>
>> +#include <Library/UefiLib.h>
>> +#include <Protocol/AcpiSystemDescriptionTable.h>
>> +#include <Protocol/AcpiTable.h>
> 
> I am not generally a fan of including header files not needed by the
> header file itself. Please move those to the individual .c files>
> This includes including _this_ file in all of the xxxx.h files, where
> not needed.

OK

> 
>> +
>> +#define EFI_ACPI_MAX_NUM_TABLES         20
>> +#define PRIVATE_ARM_SMC_ID_APEI         0x83000100
>> +#define PRIVATE_ARM_SMC_ID_APEI_S       0x83000101
>> +
>> +typedef struct {
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *HestCorrectedErrorGhesV2;
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *HestFatalErrorGhesV2;
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *HestRecoverableErrorGhesV2;
>> +  EFI_PHYSICAL_ADDRESS                                            HestTableAddress;
>> +  EFI_PHYSICAL_ADDRESS                                            EinjTableAddress;
>> +  EFI_PHYSICAL_ADDRESS                                            EinjDataStruct;
>> +  VOID                                                            *ErstContext;
>> +} APEI_TRUSTFIRMWARE_STRUCTURE;
> 
> This really ought to be APEI_TRUSTED_FIRMWARE_STRUCTURE.
> (And this is where the orderFile comes in handy: letting struct
> definitions be reviewed before their use.)

Change it to APEI_TRUSTED_FIRMWARE_STRUCTURE in v2.

> 
>> +
>> +extern EFI_ACPI_TABLE_PROTOCOL       *mAcpiTableProtocol;
>> +extern EFI_ACPI_SDT_PROTOCOL         *mAcpiSdtProtocol;
>> +extern APEI_TRUSTFIRMWARE_STRUCTURE  *mApeiTrustfirmwareStruc;
>> +
>> +
>> +#endif    // _APEI_H_
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf
>> new file mode 100644
>> index 0000000000..c80bcbcacc
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf
>> @@ -0,0 +1,63 @@
>> +/** @file
>> +*
>> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
> 
> 2018? Please update throughout.

OK

> 
>> +*
>> +*  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                    = 0x0001001A
>> +  BASE_NAME                      = AcpiApei
>> +  FILE_GUID                      = E9570C39-EF68-4fc6-B921-C1954A87CCD2
>> +  MODULE_TYPE                    = DXE_DRIVER
>> +  VERSION_STRING                 = 1.0
>> +  ENTRY_POINT                    = ApeiEntryPoint
>> +
>> +[sources.common]
>> +  Apei.c
> 
> Apei.h?

As Apei.h is included by Apei.c, so I think Apei.h
is no need to add here.

> 
>> +  Bert/bert.c
>> +  Bert/bert.h
>> +  Einj/einj.c
>> +  Einj/einj.h
>> +  Erst/erst.c
>> +  Erst/erst.h
>> +  Hest/hest.c
>> +  Hest/hest.h
>> +  ErrorSource/Ghes.c
>> +  ErrorSource/Ghes.h
>> +  OemApeiHi1620.c
>> +
>> +[Packages]
>> +  ArmPkg/ArmPkg.dec
>> +  MdePkg/MdePkg.dec
>> +  Silicon/Hisilicon/HisiPkg.dec
>> +
>> +[LibraryClasses]
>> +  ArmSmcLib
>> +  BaseMemoryLib
>> +  DebugLib
>> +  HobLib
>> +  TimerLib
>> +  UefiDriverEntryPoint
>> +  UefiRuntimeServicesTableLib
>> +
>> +[Guids]
>> +  gOemConfigGuid
>> +
>> +[Protocols]
>> +  gEfiAcpiSdtProtocolGuid
>> +  gEfiAcpiTableProtocolGuid                     # PROTOCOL ALWAYS_CONSUMED
>> +
>> +[Pcd]
>> +  gHisiTokenSpaceGuid.PcdCpldBaseAddress
>> +  gHisiTokenSpaceGuid.PcdTrustedFirmwareEnable
>> +
>> +[Depex]
>> +  gEfiAcpiTableProtocolGuid AND gEfiAcpiSdtProtocolGuid
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.c
>> new file mode 100644
>> index 0000000000..ff87e56cf5
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.c
>> @@ -0,0 +1,86 @@
>> +/** @file
>> +*
>> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
>> +*
>> +*  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.
>> +*
>> +**/
>> +
>> +#include "bert.h"
>> +#include "./ErrorSource/Ghes.h"
> 
> Drop the "./".
> 
>> +
>> +VOID
>> +BertSetAcpiTable (
>> +  IN BERT_CONTEXT *Context
>> +)
>> +{
>> +  UINTN          AcpiTableHandle;
>> +  EFI_STATUS     Status;
>> +  if (Context == NULL) {
>> +    return;
>> +  }
>> +  EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER* Bert = Context->BertHeader;
>> +  Bert->Header.Checksum = CalculateCheckSum8 ((UINT8*)(Bert), Bert->Header.Length);
>> +  AcpiTableHandle = 0;
>> +  Status = mAcpiTableProtocol->InstallAcpiTable (
>> +                                 mAcpiTableProtocol,
>> +                                 Bert,
>> +                                 Bert->Header.Length,
>> +                                 &AcpiTableHandle);
>> +  ASSERT_EFI_ERROR (Status);
>> +  return;
>> +}
>> +
>> +BOOLEAN
>> +BertAddGenericErrorData (
>> +  IN EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER *Bert,
>> +  IN EFI_CPER_SECTION_TYPE                       TypeOfErrorData,
>> +  IN VOID                                        *GenericErrorData,
>> +  IN UINT32                                      SizeOfGenericErrorData,
>> +  IN ERROR_SEVERITY                              ErrorSeverity,
>> +  IN BOOLEAN                                     Correctable
>> +)
>> +{
>> +  DEBUG((DEBUG_ERROR, "[%a]:[%dL]: \n", __FUNCTION__, __LINE__));
>> +  BOOLEAN Status = ErrorBlockAddErrorData (
>> +                     (VOID*)Bert->BootErrorRegion,
>> +                     Bert->BootErrorRegionLength,
>> +                     TypeOfErrorData,
>> +                     GenericErrorData,
>> +                     SizeOfGenericErrorData,
>> +                     ErrorSeverity,
>> +                     Correctable);
>> +  return Status;
>> +}
>> +
>> +EFI_STATUS
>> +BertHeaderCreator (
>> +  IN BERT_CONTEXT  *Context,
>> +  IN UINT32        ErrorBlockSize
>> +)
>> +{
>> +  if (Context == NULL) {
>> +    return EFI_INVALID_PARAMETER;
>> +  }
>> +  Context->BertHeader = AllocateZeroPool (sizeof (EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER));
>> +  Context->Block = AllocateReservedZeroPool (ErrorBlockSize);
>> +  Context->BlockSize = ErrorBlockSize;
>> +  *Context->BertHeader = (EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER) {
>> +    ARM_ACPI_HEADER (
>> +      EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_SIGNATURE,
>> +      EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER,
>> +      EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_REVISION
>> +      ),
>> +    Context->BlockSize,
>> +    (UINT64)Context->Block
>> +  };
>> +  return EFI_SUCCESS;
>> +}
>> +
>> +
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.h
>> new file mode 100644
>> index 0000000000..af38a765bd
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Bert/bert.h
>> @@ -0,0 +1,42 @@
>> +/** @file
>> +*
>> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
>> +*
>> +*  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 _BERT_H_
>> +#define _BERT_H_
>> +
>> +#include "Apei.h"
>> +#include <Guid/Cper.h>
>> +
>> +typedef struct _BERT_CONTEXT {
>> +  EFI_ACPI_6_0_BOOT_ERROR_RECORD_TABLE_HEADER   *BertHeader;         // pointer to best header
> 
> 'best headr' -> 'bert header'?
> But anyway, the variable name is descriptive enough that the comment
> is not needed.

OK, delete it in v2

> 
>> +  VOID                                          *Block;
>> +  UINT32                                        BlockSize; // allocated memory size for bert's error block
>> +} BERT_CONTEXT;
>> +
>> +EFI_STATUS
>> +OemInitBertTable (
>> +  IN EFI_HANDLE    ImageHandle
>> +);
>> +VOID
>> +BertSetAcpiTable (
>> +  IN BERT_CONTEXT *Context
>> +);
>> +EFI_STATUS
>> +BertHeaderCreator (
>> +  BERT_CONTEXT  *Context,
>> +  UINT32        ErrorBlockSize
>> +);
>> +
>> +
>> +#endif    // _BERT_H_
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.c
>> new file mode 100644
>> index 0000000000..898863718b
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.c
>> @@ -0,0 +1,326 @@
>> +/** @file
>> +*
>> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
>> +*
>> +*  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.
>> +*
>> +**/
>> +#include "einj.h"
>> +#include "OemApeiHi1620.h"
>> +
>> +
>> +EINJ_TABLE mEinj = {
>> +  {
>> +    ARM_ACPI_HEADER(
>> +      EFI_ACPI_6_0_ERROR_INJECTION_TABLE_SIGNATURE,
>> +      EFI_ACPI_6_0_ERROR_INJECTION_TABLE_HEADER,
>> +      EFI_ACPI_6_0_ERROR_INJECTION_TABLE_REVISION
>> +    ),
>> +    sizeof(EFI_ACPI_6_0_ERROR_INJECTION_TABLE_HEADER),
>> +    0x0,
>> +    {
>> +      0x0,
>> +      0x0,
>> +      0x0
>> +    },
>> +    EINJ_ACTION_NO
>> +  },
>> +  {
>> +    {
>> +      // 0 EFI_ACPI_6_0_EINJ_BEGIN_INJECTION_OPERATION
>> +      EFI_ACPI_6_0_EINJ_BEGIN_INJECTION_OPERATION,
>> +      EFI_ACPI_6_0_EINJ_WRITE_REGISTER_VALUE,
>> +      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      EINJ_BEGIN_OPERATION_VALUE,
>> +      EINJ_WRITE_MASK
>> +    },
>> +    {
>> +      // 1 EFI_ACPI_6_0_EINJ_GET_TRIGGER_ERROR_ACTION_TABLE
>> +      EFI_ACPI_6_0_EINJ_GET_TRIGGER_ERROR_ACTION_TABLE,
>> +      EFI_ACPI_6_0_EINJ_READ_REGISTER,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      EINJ_READ_MASK
>> +    },
>> +    {
>> +      // 2 EFI_ACPI_6_0_EINJ_SET_ERROR_TYPE
>> +      EFI_ACPI_6_0_EINJ_SET_ERROR_TYPE,
>> +      EFI_ACPI_6_0_EINJ_WRITE_REGISTER,
>> +      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      EINJ_WRITE_MASK
>> +    },
>> +    {
>> +      // 3 EFI_ACPI_6_0_EINJ_GET_ERROR_TYPE
>> +      EFI_ACPI_6_0_EINJ_GET_ERROR_TYPE,
>> +      EFI_ACPI_6_0_EINJ_READ_REGISTER,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      0xFFFFFFFF
>> +    },
>> +    {
>> +      // 4 EFI_ACPI_6_0_EINJ_END_OPERATION
>> +      EFI_ACPI_6_0_EINJ_END_OPERATION,
>> +      EFI_ACPI_6_0_EINJ_WRITE_REGISTER_VALUE,
>> +      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      EINJ_END_OPERATION_VALUE,
>> +      0xFFFFFFFF
>> +    },
>> +    {
>> +      // 5 EFI_ACPI_6_0_EINJ_EXECUTE_OPERATION
>> +      EFI_ACPI_6_0_EINJ_EXECUTE_OPERATION,
>> +      EFI_ACPI_6_0_EINJ_WRITE_REGISTER_VALUE,
>> +      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        32,
>> +        0,
>> +        EFI_ACPI_6_0_DWORD,
>> +        GPIO1_BASE + GPIO_INT_MASK //0x40070008//0x4d000F00//GPIO0_BASE + GPIO0_SWPORT_DR_OFFSET
>> +      },
>> +      0,
>> +      0xFFFFFFFF //BIT0
>> +    },
>> +    {
>> +      // 6 EFI_ACPI_6_0_EINJ_CHECK_BUSY_STATUS
>> +      EFI_ACPI_6_0_EINJ_CHECK_BUSY_STATUS,
>> +      EFI_ACPI_6_0_EINJ_READ_REGISTER_VALUE,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0x01,
>> +      0x01
>> +    },
>> +    {
>> +      // 7 EFI_ACPI_6_0_EINJ_GET_COMMAND_STATUS
>> +      EFI_ACPI_6_0_EINJ_GET_COMMAND_STATUS,
>> +      EFI_ACPI_6_0_EINJ_READ_REGISTER,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      0x3
>> +    },
>> +    {
>> +      // 8 EFI_ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS
>> +      EFI_ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS,
>> +      EFI_ACPI_6_0_EINJ_WRITE_REGISTER,
>> +      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      0xFFFFFF
>> +    },
>> +    {
>> +      // 9 EFI_ACPI_EINJ_GET_EXCUTE_OPERATION_TIMINGS
>> +      EFI_ACPI_EINJ_GET_EXCUTE_OPERATION_TIMINGS,
>> +      EFI_ACPI_6_0_EINJ_WRITE_REGISTER,
>> +      EFI_ACPI_6_0_EINJ_PRESERVE_REGISTER,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      0xFFFFFF
>> +    }
>> +  }
>> +};
>> +
>> +EINJ_TRIGGER_ERROR_ACTION mEinjTriggerErrorAction = {
>> +  {
>> +    sizeof(EFI_ACPI_6_0_EINJ_TRIGGER_ACTION_TABLE),
>> +    0,
>> +    sizeof(EINJ_TRIGGER_ERROR_ACTION),
>> +    EINJ_TRIGGER_ERROR_ACTION_NO
>> +  },
>> +  {
>> +    {
>> +      EFI_ACPI_6_0_EINJ_TRIGGER_ERROR,
>> +      EFI_ACPI_6_0_EINJ_NOOP,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_DWORD,
>> +        0
>> +      },
>> +      0,
>> +      0
>> +    }
>> +  }
>> +};
>> +
>> +
>> +VOID
>> +EinjSetAcpiTable(
>> +  EINJ_CONTEXT *Context
>> +)
>> +{
>> +  UINTN                   AcpiTableHandle;
>> +  EFI_STATUS              Status;
>> +  UINT8                   Checksum;
>> +  EFI_ACPI_SDT_HEADER     *Table;
>> +  EFI_ACPI_TABLE_VERSION  TableVersion;
>> +  UINTN                   TableKey;
>> +  UINTN                   i;
>> +  //gBS->CloseEvent(Event);
>> +  Context->EINJ->EinjTableHeader.Header.Length = sizeof (EINJ_TABLE); //mEinj.EinjTableHeader.Header.Length = sizeof(EINJ_TABLE);
> 
> Delete the commented out code.

OK

> 
>> +  Checksum = CalculateCheckSum8 ((UINT8*)(Context->EINJ), Context->EINJ->EinjTableHeader.Header.Length);
> 
> Wrap.
> 
>> +  Context->EINJ->EinjTableHeader.Header.Checksum = Checksum;
>> +  AcpiTableHandle = 0;
>> +  Status = mAcpiTableProtocol->InstallAcpiTable (
>> +             mAcpiTableProtocol,
>> +             Context->EINJ,
>> +             Context->EINJ->EinjTableHeader.Header.Length,
>> +             &AcpiTableHandle
>> +           );
>> +  for (i = 0; i < EFI_ACPI_MAX_NUM_TABLES; i++) {
>> +    Status = mAcpiSdtProtocol->GetAcpiTable(i, &Table, &TableVersion, &TableKey);
>> +    if (EFI_ERROR (Status)) {
>> +      break;
>> +    }
>> +    if (Table->Signature != EFI_ACPI_6_0_ERROR_INJECTION_TABLE_SIGNATURE) {
>> +      continue;
>> +    }
>> +    mApeiTrustfirmwareStruc->EinjTableAddress = (EFI_PHYSICAL_ADDRESS)Table;
>> +    mApeiTrustfirmwareStruc->EinjDataStruct = (EFI_PHYSICAL_ADDRESS)Context->EinjData;
>> +  }
>> +  ASSERT_EFI_ERROR (Status) ;
>> +}
>> +//V2
>> +EFI_STATUS
>> +EinjHeaderCreator(
>> +  EINJ_CONTEXT *Context
>> +)
>> +{
>> +  EFI_STATUS           Status;
>> +  EINJ_DATA_STRUCTURE  *EinjData = NULL;
>> +  Status = gBS->AllocatePool (
>> +             EfiReservedMemoryType,
>> +             sizeof (EINJ_DATA_STRUCTURE),
>> +             (VOID**)(&EinjData)
>> +           );
> 
> Drop the redundant parentheses.
> 
>> +  if (EFI_ERROR (Status)) {
>> +    return Status;
>> +  }
>> +  gBS->SetMem (
>> +    EinjData,
>> +    sizeof (EINJ_DATA_STRUCTURE),
>> +    0
>> +  );
>> +
>> +  DEBUG ((DEBUG_INFO, "EINJ EinjData is at 0x%X,size =0x%x\n", EinjData, sizeof (EINJ_DATA_STRUCTURE)));
>> +  EinjData->TriggerErrorActionTablePtr = (EINJ_TRIGGER_ERROR_ACTION*)(&(EinjData->TriggerErrorActionTable));
>> +  gBS->CopyMem (EinjData->TriggerErrorActionTablePtr, &mEinjTriggerErrorAction, sizeof (EINJ_TRIGGER_ERROR_ACTION));
> 
> Many very long lines in this function. Please wrap.

OK, modify it in v2.

> 
>> +  EinjData->OperationBegin = 0;
>> +  EinjData->ErrorType = 0;
>> +  EinjData->ErrorCapabilities = 0xFFF;
>> +  EinjData->BusyStatus = 0;
>> +  EinjData->CommandStatus = 0;
>> +  mEinj.EinjInstructionEntry[0].RegisterRegion.Address = (UINT64)(&(EinjData->OperationBegin));
>> +  mEinj.EinjInstructionEntry[1].RegisterRegion.Address = (UINT64)(&(EinjData->TriggerErrorActionTablePtr));
>> +  mEinj.EinjInstructionEntry[2].RegisterRegion.Address = (UINT64)(&(EinjData->ErrorType));
>> +  mEinj.EinjInstructionEntry[3].RegisterRegion.Address = (UINT64)(&(EinjData->ErrorCapabilities));
>> +  mEinj.EinjInstructionEntry[4].RegisterRegion.Address = (UINT64)(&(EinjData->OperationBegin));
>> +  mEinj.EinjInstructionEntry[6].RegisterRegion.Address = (UINT64)(&(EinjData->BusyStatus));
>> +  mEinj.EinjInstructionEntry[7].RegisterRegion.Address = (UINT64)(&(EinjData->CommandStatus));
>> +  mEinj.EinjInstructionEntry[8].RegisterRegion.Address = (UINT64)(&(EinjData->ErrorTypeWithAddress));
>> +  mEinj.EinjInstructionEntry[9].RegisterRegion.Address = (UINT64)(&(EinjData->Timming));
>> +  EinjData->ErrorTypeWithAddress.VendorErrorTypeOffset
>> +    = (UINT32)((UINTN) & (EinjData->VendorErrorTypeExtension) - (UINTN) & (EinjData->ErrorTypeWithAddress));
> 
> No spaces around '&'.
> 
>> +  //
> 
> Drop empty comment. (But do leave a blank line.)
> 
>> +  Context->EinjData = EinjData;
>> +  Context->EINJ = &mEinj;
>> +  Context->ExecuteOperationEntry = &mEinj.EinjInstructionEntry[5];
>> +  Context->GetErrorTypeEntry = &mEinj.EinjInstructionEntry[3];
>> +  return EFI_SUCCESS;
>> +}
>> +
>> +
>> +EFI_STATUS
>> +EinjConfigErrorInjectCapability(
>> +  EINJ_CONTEXT* Context,
>> +  UINT32        BitsSupportedErrorType
>> +)
>> +{
>> +  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY* KeyEntry;
>> +  UINT32*                                        EinjCapablity;
>> +
>> +  KeyEntry = Context->GetErrorTypeEntry;
>> +  EinjCapablity = (UINT32*)KeyEntry->RegisterRegion.Address;
>> +  *EinjCapablity = BitsSupportedErrorType;
>> +  KeyEntry->Value = BitsSupportedErrorType;
>> +  return EFI_SUCCESS;
>> +}
>> +
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h
>> new file mode 100644
>> index 0000000000..a5342b600f
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h
>> @@ -0,0 +1,154 @@
>> +/** @file
>> +*
>> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
>> +*
>> +*  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 _EINJ_H_
>> +#define _EINJ_H_
>> +
>> +#include "Apei.h"
>> +
>> +#define EINJ_ACTION_NO             10
>> +#define EINJ_BEGIN_OPERATION_VALUE 0xFFFF
>> +#define EINJ_END_OPERATION_VALUE   0
>> +#define EINJ_WRITE_MASK            0xFFFFFFFF
>> +#define EINJ_READ_VALUE            0xFFFF
>> +#define EINJ_READ_MASK             0xFFFFFFFF
>> +
>> +#define EINJ_TRIGGER_ERROR_ACTION_NO                                    1
>> +
>> +#define EFI_ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS                       0x08
>> +#define EFI_ACPI_EINJ_GET_EXCUTE_OPERATION_TIMINGS                      0x09
>> +
>> +
>> +extern EFI_ACPI_TABLE_PROTOCOL            *mAcpiTableProtocol;
>> +extern EFI_ACPI_SDT_PROTOCOL              *mAcpiSdtProtocol;
>> +extern APEI_TRUSTFIRMWARE_STRUCTURE       *mApeiTrustfirmwareStruc;
>> +
>> +//
>> +// Error Type Definition
>> +//
>> +#define EINJ_PROCESSOR_CORRECTABLE                                      BIT0
>> +#define EINJ_PROCESSOR_UNCORRECTABLE_NONFATAL                           BIT1
>> +#define EINJ_PROCESSOR_UNCORRECTABLE_FATAL                              BIT2
>> +#define EINJ_MEMORY_CORRECTABLE                                         BIT3
>> +#define EINJ_MEMORY_UNCORRECTABLE_NONFATAL                              BIT4
>> +#define EINJ_MEMORY_UNCORRECTABLE_FATAL                                 BIT5
>> +#define EINJ_PCIE_CORRECTABLE                                           BIT6
>> +#define EINJ_PCIE_UNCORRECTABLE_NONFATAL                                BIT7
>> +#define EINJ_PCIE_UNCORRECTABLE_FATAL                                   BIT8
>> +#define EINJ_PLATFORM_CORRECTABLE                                       BIT9
>> +#define EINJ_PLATFORM_UNCORRECTABLE_NONFATAL                            BIT10
>> +#define EINJ_PLATFORM_UNCORRECTABLE_FATAL                               BIT11
>> +#define EINJ_VENDOR_DEFINED_ERROR_TYPE                                  BIT31
>> +
>> +//
>> +#define EINJ_PROCESSOR_APIC_VALID                                       BIT0
>> +#define EINJ_MEMORY_ADDRESS_VALID                                       BIT1
>> +#define EINJ_PCIE_SBDF_VALID                                            BIT2
>> +
>> +//CPER
>> +#define EFI_GENERIC_ERROR_PROC_TYPE_ARM                                 0x02
>> +
>> +#define EFI_GENERIC_ERROR_PROC_ISA_ARM32                                0x03
>> +#define EFI_GENERIC_ERROR_PROC_ISA_ARM64                                0x04
> 
> Surely these should be added to MdePkg/Include/Guid/Cper.h instead?
> Please submit a patch.

OK, should this macro be add to MdePkg/Include/Guid/Cper.h ?
EFI_GENERIC_ERROR_PROC_TYPE_ARM

> 
>> +
>> +///
>> +/// EINJ Table
>> +///
>> +
>> +
>> +typedef struct {
>> +  EFI_ACPI_6_0_ERROR_INJECTION_TABLE_HEADER        EinjTableHeader;
>> +  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY    EinjInstructionEntry[EINJ_ACTION_NO];
>> +} EINJ_TABLE;
>> +
>> +typedef struct {
>> +  EFI_ACPI_6_0_EINJ_TRIGGER_ACTION_TABLE           TriggerErrorHeader;
>> +  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY    ErrorInstructionEntry[EINJ_TRIGGER_ERROR_ACTION_NO];
>> +} EINJ_TRIGGER_ERROR_ACTION;
>> +
>> +typedef struct {
>> +  UINT32 Reserved: 8;
>> +  UINT32 Function: 3;
>> +  UINT32 Device: 5;
>> +  UINT32 PrimaryOrDeviceBus: 8;
>> +  UINT32 Segment: 8;
>> +} EINJ_PCIE_SBDF;
>> +
>> +typedef struct {
>> +  UINT32         ErrorType;
>> +  UINT32         VendorErrorTypeOffset;
>> +  UINT32         Flags;
>> +  UINT32         ApicId;
>> +  UINT64         MemAddress;
>> +  UINT64         MemAddressRange;
>> +  EINJ_PCIE_SBDF PcieSBDF;
>> +} EINJ_SET_ERROR_TYPE_WITH_ADDRESS;
>> +
>> +typedef struct {
>> +  UINT32 Length;
>> +  UINT32 SBDF;
>> +  UINT16 VendorId;
>> +  UINT16 DeviceId;
>> +  UINT8  RevId;
>> +  UINT8  Reserved[3];
>> +} EINJ_VENDOR_ERROR_TYPE;
>> +
>> +typedef struct {
>> +  UINT64                           OperationBegin;
>> +  UINT64                           ErrorType;
>> +  UINT64                           ErrorCapabilities;// TODO: modified to uint32
> 
> Is it 32-bit or 64-bit? If it needs to be 32-bit, make it so - don't
> say you intend to do so in future.

It is 64-bit, I will delete the comment.

> 
>> +  UINT64                           BusyStatus;
>> +  UINT64                           CommandStatus;
>> +  UINT64                           Timming;
>> +  EINJ_TRIGGER_ERROR_ACTION        *TriggerErrorActionTablePtr;
>> +  EINJ_SET_ERROR_TYPE_WITH_ADDRESS ErrorTypeWithAddress;
>> +  EINJ_VENDOR_ERROR_TYPE           VendorErrorTypeExtension;
>> +  EINJ_TRIGGER_ERROR_ACTION        TriggerErrorActionTable;
>> +} EINJ_DATA_STRUCTURE;
>> +
>> +// V2
>> +typedef struct _EINJ_CONTEXT {
>> +  EINJ_TABLE                                    *EINJ;         // pointer to EINJ header
>> +  EINJ_DATA_STRUCTURE                           *EinjData;
>> +  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY *GetErrorTypeEntry;// error injection capabilities
>> +  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY *ExecuteOperationEntry;
>> +} EINJ_CONTEXT;
>> +
>> +
>> +EFI_STATUS
>> +InitEinjTable(VOID);
>> +// Version2
>> +EFI_STATUS
>> +EinjConfigErrorInjectCapability(
>> +  EINJ_CONTEXT  *Context,
>> +  UINT32        BitsSupportedErrorType
>> +);
>> +EFI_STATUS
>> +EinjHeaderCreator(
>> +  EINJ_CONTEXT  *Context
>> +);
>> +/***OEM***/
>> +EFI_STATUS
>> +OemInitEinjTable(VOID);
>> +EFI_STATUS
>> +OemEinjConfigExecuteOperationEntry(
>> +  EINJ_CONTEXT *Context
>> +);
>> +VOID
>> +EinjSetAcpiTable(
>> +  EINJ_CONTEXT *Context
>> +);
>> +
>> +
>> +#endif    // _EINJ_H_
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.c
>> new file mode 100644
>> index 0000000000..338f56c0a2
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.c
>> @@ -0,0 +1,320 @@
>> +/** @file
>> +*
>> +*  Copyright (c) 2018 Hisilicon Limited. All rights reserved.
>> +*
>> +*  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.
>> +*
>> +**/
>> +
>> +#include <Uefi/UefiBaseType.h>
>> +#include <Guid/Cper.h>
>> +#include "Ghes.h"
>> +
>> +#define READ_ACK_PRESERVE 0xFFFFFFFE
>> +#define READ_ACK_WRITE 0x1
>> +
>> +EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE*
>> +ErrorBlockInitial(
>> +  VOID   *Block,
>> +  UINT32 Severity
>> +)
>> +{
>> +  EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE* BlockHeader = Block;
>> +  BlockHeader->BlockStatus = (EFI_ACPI_6_1_ERROR_BLOCK_STATUS) {0, 0, 0, 0, 0};
>> +  BlockHeader->RawDataOffset = 0;
>> +  BlockHeader->RawDataLength = 0;
>> +  BlockHeader->DataLength = 0;//sizeof(EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE);
>> +  BlockHeader->ErrorSeverity = Severity;
>> +  return BlockHeader;
>> +}
>> +
>> +
>> +BOOLEAN
>> +ErrorBlockUpdateStatusStructure(
>> +  VOID *ErrorBlock
>> +)
>> +{
>> +  if (ErrorBlock == NULL) {
>> +    return FALSE;
>> +  }
>> +  IN EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE *BlockHeader =  ErrorBlock;
>> +  VOID *EntriesBegin = ErrorBlock + sizeof(EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE);
>> +  if (BlockHeader->BlockStatus.ErrorDataEntryCount == 0) {
>> +    //memset(EntriesBegin, 0, BlockHeader->DataLength);
>> +    gBS->SetMem(EntriesBegin, BlockHeader->DataLength, 0);
>> +    BlockHeader->RawDataLength = 0;
>> +    BlockHeader->RawDataOffset = 0;
>> +    BlockHeader->DataLength = 0;
>> +  }
>> +  return TRUE;
>> +}
>> +
>> +
>> +BOOLEAN
>> +ErrorBlockAddErrorData(
>> +  IN VOID                  *ErrorBlock,
>> +  IN UINT32                MaxBlockLength,
>> +  IN EFI_CPER_SECTION_TYPE TypeOfErrorData,
>> +  IN VOID                  *GenericErrorData,
>> +  IN UINT32                SizeOfGenericErrorData,
>> +  IN ERROR_SEVERITY        ErrorSeverity,
>> +  IN BOOLEAN               Correctable
>> +)
>> +{
>> +  if (ErrorBlock == NULL || GenericErrorData == NULL) {
>> +    DEBUG ((DEBUG_ERROR, "[%a]:[%dL]Invalid Param \n", __FUNCTION__, __LINE__));
>> +    return FALSE;
>> +  }
>> +  EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE*  Entry;
>> +  EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE* BlockHeader = ErrorBlock;
>> +  EFI_ACPI_6_1_ERROR_BLOCK_STATUS* BlockStatus = &BlockHeader->BlockStatus;
>> +  (VOID)ErrorBlockUpdateStatusStructure(ErrorBlock);
>> +  UINT32 ExpectedNewDataLength = BlockHeader->DataLength + sizeof(EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE) + SizeOfGenericErrorData;
>> +  if (sizeof(EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE) + ExpectedNewDataLength > MaxBlockLength) {
> 
> Wrap long lines.
> 
>> +    DEBUG ((DEBUG_ERROR, "[%a]:[%dL]Out of BlockSize \n", __FUNCTION__, __LINE__));
>> +    return FALSE;
>> +  }
>> +  // guid
>> +  EFI_GUID Guid;
>> +  switch (TypeOfErrorData) {
>> +    case PROCESSOR_GENERIC:
>> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_PROCESSOR_GENERIC_GUID;
>> +      break;
>> +    case PROCESSOR_ARM:
>> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_PROCESSOR_SPECIFIC_ARM_GUID;
>> +      break;
>> +    case PLATFORM_MEMORY:
>> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_PLATFORM_MEMORY_GUID;
>> +      break;
>> +    case PLATFORM_MEMORY2:
>> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_PLATFORM_MEMORY2_GUID;
>> +      break;
>> +    case PCIE_EXPRESS:
>> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_PCIE_GUID;
>> +      break;
>> +    case FIRMWARE_ERROR:
>> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_FW_ERROR_RECORD_GUID;
>> +      break;
>> +    case PCI_BUS:
>> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_PCI_PCIX_BUS_GUID;
>> +      break;
>> +    case PCI_COMPONENT:
>> +      Guid = (EFI_GUID)EFI_ERROR_SECTION_PCI_DEVICE_GUID;
>> +      break;
>> +    default:
>> +      return FALSE;
>> +  }
>> +  //Block Status
>> +  if (Correctable == TRUE) {
>> +    if (BlockStatus->CorrectableErrorValid == 0) {
>> +      BlockStatus->CorrectableErrorValid = 1;
>> +    } else {
>> +      BlockStatus->MultipleCorrectableErrors = 1;
>> +    }
>> +  } else {
>> +    if (BlockStatus->UncorrectableErrorValid == 0) {
>> +      BlockStatus->UncorrectableErrorValid = 1;
>> +    } else {
>> +      BlockStatus->MultipleUncorrectableErrors = 1;
>> +    }
>> +  }
>> +  BlockStatus->ErrorDataEntryCount++;
>> +  // Entry
>> +  Entry = (EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE*)(ErrorBlock + sizeof(EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE) + BlockHeader->DataLength);
>> +  gBS->SetMem(Entry, sizeof(EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE), 0);
>> +  gBS->CopyMem(&Entry->SectionType, &Guid, sizeof(EFI_GUID));
>> +  Entry->ErrorSeverity = ErrorSeverity;
>> +  Entry->Revision = EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_REVISION;
>> +  Entry->ErrorDataLength = SizeOfGenericErrorData;
>> +  VOID*  GenericErrorDataFollowEntry = (VOID*)Entry + sizeof(EFI_ACPI_6_1_GENERIC_ERROR_DATA_ENTRY_STRUCTURE);
> 
> Wrap long lines.
> 
>> +  gBS->CopyMem(GenericErrorDataFollowEntry, GenericErrorData, SizeOfGenericErrorData);
>> +  // BlockHeader
>> +  BlockHeader->RawDataOffset = 0;
>> +  BlockHeader->RawDataLength = 0;
>> +  BlockHeader->DataLength = ExpectedNewDataLength;
>> +  return TRUE;
>> +}
>> +
>> +VOID
>> +GhesV2Initial(
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE *GhesV2,
>> +  UINT32                                                         BlockLength
>> +)
>> +{
>> +  if (GhesV2 == NULL) {
>> +    return;
>> +  }
>> +  *GhesV2 = (EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE) {
>> +    .Type = EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_VERSION_2,
>> +    .SourceId = 0,
>> +    .RelatedSourceId = 0xFFFF,
>> +    .Flags = 0,
>> +    .Enabled = 1,
>> +    .NumberOfRecordsToPreAllocate = 1,//ERROR BLOCK
>> +    .MaxSectionsPerRecord = 1,// Num Entries(section)
>> +    .MaxRawDataLength = BlockLength, // Max Size Of a Raw Data
>> +    .ErrorStatusAddress = {
>> +      .AddressSpaceId = EFI_ACPI_6_1_SYSTEM_MEMORY,
>> +      .RegisterBitWidth = 64,
>> +      .RegisterBitOffset = 0,
>> +      .AccessSize = EFI_ACPI_6_1_QWORD,
>> +      .Address = 0
>> +    },
>> +    .NotificationStructure = {
>> +      .Type = EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_GSIV,
>> +      .Length = sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE),
>> +      .ConfigurationWriteEnable = {0, 0, 0, 0, 0, 0, 0} ,
>> +      .PollInterval = 0,
>> +      .Vector = 0,
>> +      .SwitchToPollingThresholdValue = 0,
>> +      .SwitchToPollingThresholdWindow = 0,
>> +      .ErrorThresholdValue = 0,
>> +      .ErrorThresholdWindow = 0
>> +    },
>> +    .ErrorStatusBlockLength = BlockLength,
>> +    .ReadAckRegister = {
>> +      .AddressSpaceId = EFI_ACPI_6_1_SYSTEM_MEMORY,
>> +      .RegisterBitWidth = 64,
>> +      .RegisterBitOffset = 0,
>> +      .AccessSize = EFI_ACPI_6_1_QWORD,
>> +      .Address = 0
>> +    },
>> +    .ReadAckPreserve = READ_ACK_PRESERVE,
>> +    .ReadAckWrite = READ_ACK_WRITE
>> +  };
>> +  return;
>> +}
>> +
>> +VOID
>> +GhesV2AddNotification(
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *This,
>> +  UINT8                                                           Type
>> +)
>> +{
>> +  This->NotificationStructure = (EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_STRUCTURE) {
>> +    .Type = Type,
>> +    .Length = sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE),
>> +    .ConfigurationWriteEnable = {
>> +      .Type = 0,
>> +      .PollInterval = 1,
>> +      .SwitchToPollingThresholdValue = 1,
>> +      .SwitchToPollingThresholdWindow = 1,
>> +      .ErrorThresholdValue = 1,
>> +      .ErrorThresholdWindow = 1
>> +    },
>> +    .PollInterval = 20,
>> +    .Vector = 0,
>> +    .SwitchToPollingThresholdValue = 0,
>> +    .SwitchToPollingThresholdWindow = 0,
>> +    .ErrorThresholdValue = 0,
>> +    .ErrorThresholdWindow = 0
>> +  };
>> +  return;
>> +}
>> +
>> +EFI_STATUS
>> +GhesV2LinkErrorBlock(
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE *GhesV2,
>> +  GHES_REGISTER                                                  *Register,
>> +  VOID                                                           *ErrorBlock
>> +)
>> +{
>> +  if (ErrorBlock == NULL || Register == NULL || GhesV2 == NULL) {
>> +    return EFI_INVALID_PARAMETER;
>> +  }
>> +
>> +  Register->ErrorStatusBlockAddress = (UINTN)ErrorBlock;
>> +  GhesV2->ErrorStatusAddress.Address = (UINTN) & (Register->ErrorStatusBlockAddress);
>> +  Register->AckRegister = READ_ACK_WRITE;
>> +  GhesV2->ReadAckRegister.Address = (UINT64) & (Register->AckRegister);
> 
> No spaces around '&' when used as the addressof operator.
> 
>> +  return EFI_SUCCESS;
>> +}
>> +
>> +
>> +VOID GhesV1Initial(
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *GhesV1,
>> +  UINT32 BlockLength
>> +)
>> +{
>> +  if (GhesV1 == NULL) {
>> +    return;
>> +  }
>> +  *GhesV1 = (EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE) {
>> +    .Type = EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR,
>> +    .SourceId = 0,
>> +    .RelatedSourceId = 0xFFFF,
>> +    .Flags = 0,
>> +    .Enabled = 1,
>> +    .NumberOfRecordsToPreAllocate = 1,//ERROR BLOCK
>> +    .MaxSectionsPerRecord = 1,// Num Entries(section)
>> +    .MaxRawDataLength = BlockLength, // Max Size Of a Raw Data
>> +    .ErrorStatusAddress = {
>> +      .AddressSpaceId = EFI_ACPI_6_1_SYSTEM_MEMORY,
>> +      .RegisterBitWidth = 64,
>> +      .RegisterBitOffset = 0,
>> +      .AccessSize = EFI_ACPI_6_1_QWORD,
>> +      .Address = 0
>> +    },
>> +    .NotificationStructure = {
>> +      .Type = EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_GSIV,
>> +      .Length = sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE),
>> +      .ConfigurationWriteEnable = {0, 0, 0, 0, 0, 0, 0},
>> +      .PollInterval = 0,
>> +      .Vector = 0,
>> +      .SwitchToPollingThresholdValue = 0,
>> +      .SwitchToPollingThresholdWindow = 0,
>> +      .ErrorThresholdValue = 0,
>> +      .ErrorThresholdWindow = 0
>> +    },
>> +    .ErrorStatusBlockLength = BlockLength,
>> +  };
>> +  return;
>> +}
>> +
>> +VOID
>> +GhesV1AddNotification(
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *This,
>> +  UINT8                                                Type
>> +)
>> +{
>> +  This->NotificationStructure = (EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_STRUCTURE) {
>> +    .Type = Type,
>> +    .Length = sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE),
>> +    .ConfigurationWriteEnable = {
>> +      .Type = 0,
>> +      .PollInterval = 1,
>> +      .SwitchToPollingThresholdValue = 1,
>> +      .SwitchToPollingThresholdWindow = 1,
>> +      .ErrorThresholdValue = 1,
>> +      .ErrorThresholdWindow = 1
>> +    },
>> +    .PollInterval = 20,
>> +    .Vector = 0,
>> +    .SwitchToPollingThresholdValue = 0,
>> +    .SwitchToPollingThresholdWindow = 0,
>> +    .ErrorThresholdValue = 0,
>> +    .ErrorThresholdWindow = 0
>> +  };
>> +  return;
>> +}
>> +
>> +EFI_STATUS GhesV1LinkErrorBlock(
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *This,
>> +  UINT64                                               *ptrBlockAddress,
>> +  VOID                                                 *ErrorBlock
>> +)
>> +{
>> +  if (ErrorBlock == NULL || ptrBlockAddress == NULL || This == NULL) {
>> +    return EFI_INVALID_PARAMETER;
>> +  }
>> +  *ptrBlockAddress = (UINTN)ErrorBlock;
>> +  This->ErrorStatusAddress.Address = (UINTN) ptrBlockAddress;
>> +  return EFI_SUCCESS;
>> +}
>> +
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.h
>> new file mode 100644
>> index 0000000000..20d9e55e7f
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/ErrorSource/Ghes.h
>> @@ -0,0 +1,100 @@
>> +
>> +#ifndef GENERIC_HARDWARE_ERROR_SOURCE
>> +#define GENERIC_HARDWARE_ERROR_SOURCE
>> +#include "Apei.h"
>> +
>> +
>> +typedef struct {
>> +  UINT64 AckRegister;
>> +  UINT64 ErrorStatusBlockAddress;
>> +} GHES_REGISTER;
>> +
>> +typedef enum {
>> +  PROCESSOR_GENERIC   = 0,
>> +  PROCESSOR_IA32_X64  = 1,
>> +  PROCESSOR_IPF       = 2,
>> +  PROCESSOR_ARM       = 3,
>> +  PLATFORM_MEMORY     = 4,
>> +  PLATFORM_MEMORY2    = 5,
>> +  PCIE_EXPRESS        = 6,
>> +  FIRMWARE_ERROR      = 7,
>> +  PCI_BUS             = 8,
>> +  PCI_COMPONENT       = 9
>> +} EFI_CPER_SECTION_TYPE;
>> +typedef enum {
>> +  RECOVERABLE = 0,
>> +  FATAL = 1,
>> +  CORRECTED = 2,
>> +  NONE = 3
>> +} ERROR_SEVERITY;
>> +#define ERROR_SEVERITY_RECOVERABLE 0
>> +#define ERROR_SEVERITY_FATAL       1
>> +#define ERROR_SEVERITY_CORRECTED   2
>> +#define ERROR_SEVERITY_NONE        3
> 
> Why not use the ones defined by <IndustryStandard/Acpi##.h> ?

Good idea, modify it in v2.

> 
>> +
>> +EFI_ACPI_6_1_GENERIC_ERROR_STATUS_STRUCTURE*
>> +ErrorBlockInitial(
>> +  VOID   *Block,
>> +  UINT32 Severity
>> +);
>> +BOOLEAN ErrorBlockAddErrorData (
>> +  IN VOID                  *ErrorBlock,
>> +  IN UINT32                MaxBlockLength,
>> +  IN EFI_CPER_SECTION_TYPE TypeOfErrorData,
>> +  IN VOID                  *GenericErrorData,
>> +  IN UINT32                SizeOfGenericErrorData,
>> +  IN ERROR_SEVERITY        ErrorSeverity,
>> +  IN BOOLEAN               Correctable
>> +);
>> +BOOLEAN ErrorBlockAddErrorData (
>> +  IN VOID                  *ErrorBlock,
>> +  IN UINT32                MaxBlockLength,
>> +  IN EFI_CPER_SECTION_TYPE TypeOfErrorData,
>> +  IN VOID                  *GenericErrorData,
>> +  IN UINT32                SizeOfGenericErrorData,
>> +  IN ERROR_SEVERITY        ErrorSeverity,
>> +  IN BOOLEAN               Correctable
>> +);
>> +
>> +VOID
>> +GhesV2Initial (
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *GhesV2,
>> +  UINT32                                                          BlockLength
>> +);
>> +
>> +/**
>> +@param type - one of HARDWARE_ERROR_NOTIFICATION Type, GSIV For ARM,and SCI for X86,
>> +              Notice: Windows OS hadn't support to GSIV, 20171026
>> +*/
>> +VOID
>> +GhesV2AddNotification (
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE  *This,
>> +  UINT8                                                           Type
>> +);
>> +
>> +
>> +EFI_STATUS
>> +GhesV2LinkErrorBlock (
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE *GhesV2,
>> +  GHES_REGISTER                                                  *Register,
>> +  VOID                                                           *ErrorBlock
>> +);
>> +VOID
>> +GhesV1Initial (
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *GhesV1,
>> +  UINT32                                               BlockLength
>> +);
>> +VOID
>> +GhesV1AddNotification (
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *This,
>> +  UINT8                                                Type
>> +);
>> +EFI_STATUS
>> +GhesV1LinkErrorBlock (
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE *This,
>> +  UINT64                                               *ptrBlockAddress,
>> +  VOID                                                 *ErrorBlock
>> +);
>> +
>> +
>> +#endif
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.c
>> new file mode 100644
>> index 0000000000..514a259a54
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.c
>> @@ -0,0 +1,379 @@
>> +/** @file
>> +*
>> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
>> +*
>> +*  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.
>> +*
>> +**/
>> +#include "erst.h"
>> +#include <Guid/Cper.h>
>> +
>> +typedef struct {
>> +  EFI_ACPI_6_1_ERROR_RECORD_SERIALIZATION_TABLE_HEADER ErstTableHeader;
>> +  EFI_ACPI_6_1_ERST_SERIALIZATION_INSTRUCTION_ENTRY    ErstInstructionEntry[ERST_ACTION_NO];
>> +} ERST_TABLE;
>> +
>> +ERST_TABLE mErst = {
>> +  {
>> +    ARM_ACPI_HEADER(
>> +      EFI_ACPI_6_0_ERROR_RECORD_SERIALIZATION_TABLE_SIGNATURE,
>> +      EFI_ACPI_6_0_ERROR_RECORD_SERIALIZATION_TABLE_HEADER,
>> +      EFI_ACPI_6_0_ERROR_RECORD_SERIALIZATION_TABLE_REVISION
>> +    ),
>> +    sizeof(EFI_ACPI_6_0_ERROR_RECORD_SERIALIZATION_TABLE_HEADER),
>> +    {
>> +      0x0,
>> +      0x0,
>> +      0x0,
>> +      0x0
>> +    },
>> +    ERST_ACTION_NO,
>> +  },
>> +  {
>> +    {
>> +      // 0 EFI_ACPI_6_0_ERST_BEGIN_WRITE_OPERATION
>> +      EFI_ACPI_6_0_ERST_BEGIN_WRITE_OPERATION,
>> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      ERST_BEGIN_WRITE_VALUE,
>> +      ERST_BEGIN_WRITE_MASK
>> +    },
>> +    {
>> +      // 1 EFI_ACPI_6_0_ERST_BEGIN_READ_OPERATION
>> +      EFI_ACPI_6_0_ERST_BEGIN_READ_OPERATION,
>> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      ERST_BEGIN_READ_VALUE,
>> +      ERST_BEGIN_READ_MASK
>> +    },
>> +    {
>> +      // 2 EFI_ACPI_6_0_ERST_BEGIN_CLEAR_OPERATION
>> +      EFI_ACPI_6_0_ERST_BEGIN_CLEAR_OPERATION,
>> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      ERST_BEGIN_CLEAR_VALUE,
>> +      ERST_BEGIN_CLEAR_MASK
>> +    },
>> +    {
>> +      // 3 EFI_ACPI_6_0_ERST_END_OPERATION
>> +      EFI_ACPI_6_0_ERST_END_OPERATION,
>> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
>> +      EFI_ACPI_6_0_ERST_PRESERVE_REGISTER,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      ERST_END_OPERATION_VALUE,
>> +      ERST_END_OPERATION_MASK
>> +    },
>> +    {
>> +      // 4 EFI_ACPI_6_0_ERST_SET_RECORD_OFFSET
>> +      EFI_ACPI_6_0_ERST_SET_RECORD_OFFSET,
>> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      ERST_MASK
>> +    },
>> +    {
>> +      // 5 EFI_ACPI_6_0_ERST_EXECUTE_OPERATION
>> +      EFI_ACPI_6_0_ERST_EXECUTE_OPERATION,
>> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER_VALUE,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_DWORD,
>> +        0x94730000
>> +      },
>> +      0x0002,
>> +      0x0002
>> +    },
>> +    {
>> +      // 6 EFI_ACPI_6_0_ERST_CHECK_BUSY_STATUS
>> +      EFI_ACPI_6_0_ERST_CHECK_BUSY_STATUS,
>> +      EFI_ACPI_6_0_ERST_READ_REGISTER_VALUE,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0x00000001,
>> +      0x00000001
>> +    },
>> +    {
>> +      // 7 EFI_ACPI_6_0_ERST_GET_COMMAND_STATUS
>> +      EFI_ACPI_6_0_ERST_GET_COMMAND_STATUS,
>> +      EFI_ACPI_6_0_ERST_READ_REGISTER,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      ERST_MASK
>> +    },
>> +    {
>> +      // 8 EFI_ACPI_6_0_ERST_GET_RECORD_IDENTIFIER
>> +      EFI_ACPI_6_0_ERST_GET_RECORD_IDENTIFIER,
>> +      EFI_ACPI_6_0_ERST_READ_REGISTER,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      ERST_MASK
>> +    },
>> +    {
>> +      // 9 EFI_ACPI_6_0_ERST_SET_RECORD_IDENTIFIER
>> +      EFI_ACPI_6_0_ERST_SET_RECORD_IDENTIFIER,
>> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      ERST_MASK
>> +    },
>> +    {
>> +      // A EFI_ACPI_6_0_ERST_GET_RECORD_COUNT
>> +      EFI_ACPI_6_0_ERST_GET_RECORD_COUNT,
>> +      EFI_ACPI_6_0_ERST_READ_REGISTER,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      ERST_MASK
>> +    },
>> +    {
>> +      // B EFI_ACPI_6_0_ERST_BEGIN_DUMMY_WRITE_OPERATION
>> +      EFI_ACPI_6_0_ERST_BEGIN_DUMMY_WRITE_OPERATION,
>> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      ERST_MASK
>> +    },
>> +    {
>> +      // C RESERVED
>> +      0x0C,
>> +      EFI_ACPI_6_0_ERST_WRITE_REGISTER,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      ERST_MASK
>> +    },
>> +    {
>> +      // D EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE
>> +      EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE,
>> +      EFI_ACPI_6_0_ERST_READ_REGISTER,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      ERST_MASK
>> +    },
>> +    {
>> +      // E EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE_LENGTH
>> +      EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE_LENGTH,
>> +      EFI_ACPI_6_0_ERST_READ_REGISTER,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      ERST_MASK
>> +    },
>> +    {
>> +      // F EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE_ATTRIBUTES
>> +      EFI_ACPI_6_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE_ATTRIBUTES,
>> +      EFI_ACPI_6_0_ERST_READ_REGISTER,
>> +      0,
>> +      0,
>> +      {
>> +        EFI_ACPI_6_0_SYSTEM_MEMORY,
>> +        64,
>> +        0,
>> +        EFI_ACPI_6_0_QWORD,
>> +        0
>> +      },
>> +      0,
>> +      ERST_MASK
>> +    }
>> +  }
>> +};
>> +
>> +VOID
>> +ErstSetAcpiTable (
>> +  ERST_BOOT_CONTEXT *Context
>> +)
>> +{
>> +  UINTN                     AcpiTableHandle;
>> +  EFI_STATUS                Status;
>> +  UINT8                     Checksum;
>> +  mErst.ErstTableHeader.Header.Length = sizeof (ERST_TABLE);
>> +  Checksum = CalculateCheckSum8((UINT8*)(&mErst), mErst.ErstTableHeader.Header.Length);
>> +  mErst.ErstTableHeader.Header.Checksum = Checksum;
>> +  AcpiTableHandle = 0;
>> +  Status = mAcpiTableProtocol->InstallAcpiTable (
>> +             mAcpiTableProtocol,
>> +             &mErst,
>> +             mErst.ErstTableHeader.Header.Length,
>> +             &AcpiTableHandle
>> +             );
>> +  ASSERT_EFI_ERROR (Status) ;
>> +}
>> +
>> +EFI_STATUS
>> +ErstHeaderCreator (
>> +  ERST_BOOT_CONTEXT  *Context,
>> +  UINT64             BufferSize,//ERST_DATASTORE_SIZE
>> +  VOID               *NvRamAddrRange,
>> +  UINT64             NvRamAllRecordLength,
>> +  UINT64             NvRamAddrRangeLength
>> +)
>> +{
>> +  EFI_STATUS            Status = EFI_SUCCESS;
>> +  ERST_RT_CONTEXT       *ErstRtCtx;
>> +  //
>> +  ErstRtCtx = AllocateReservedZeroPool (sizeof (ERST_RT_CONTEXT));
>> +  ErstRtCtx->Operation = ERST_END_OPERATION;
>> +  ErstRtCtx->RecordOffset = 0;
>> +  ErstRtCtx->BusyStatus = 0;
>> +  ErstRtCtx->CommandStatus = 0;
>> +  ErstRtCtx->KeyRecordId = 0;
>> +  ErstRtCtx->MaxTimeOfExecuteOperation = (UINT64)(-1);
> 
> Better to use MAX_UINT64.

OK

> 
>> +  ErstRtCtx->RecordCount = 0;
>> +  ErstRtCtx->ErrorLogAddressRange = (UINT64) AllocateReservedZeroPool (BufferSize);
> 
> No space after (UINT64).
> 
>> +  ErstRtCtx->ErrorLogAddressRangeLength = BufferSize;
>> +  ErstRtCtx->ErrorLogAttributes = 0;
>> +  ErstRtCtx->NvRamLogAddrRange = NvRamAddrRange;
>> +  ErstRtCtx->NvRamLogAddrRangeLength = NvRamAddrRangeLength;
>> +  ErstRtCtx->NvRamRecordOffset = 0;
>> +  ErstRtCtx->NvRamNextVallidRecordId = (UINT64)(-1);
> 
> Better to use MAX_UINT64.
> 
>> +  ErstRtCtx->NvRamNextValidRecordOffset = 0;
>> +  ErstRtCtx->NvRamAllRecordLength = NvRamAllRecordLength;
>> +  mErst.ErstInstructionEntry[0].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->Operation));
>> +  mErst.ErstInstructionEntry[1].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->Operation));
>> +  mErst.ErstInstructionEntry[2].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->Operation));
>> +  mErst.ErstInstructionEntry[3].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->Operation));
>> +  mErst.ErstInstructionEntry[4].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->RecordOffset));
>> +  mErst.ErstInstructionEntry[6].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->BusyStatus));
>> +  mErst.ErstInstructionEntry[7].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->CommandStatus));
>> +  mErst.ErstInstructionEntry[8].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->NvRamNextVallidRecordId));
>> +  mErst.ErstInstructionEntry[9].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->KeyRecordId));
>> +  mErst.ErstInstructionEntry[10].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->RecordCount));
>> +  mErst.ErstInstructionEntry[11].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->DummyWrite));
>> +  mErst.ErstInstructionEntry[12].RegisterRegion.Address = 0;
>> +  mErst.ErstInstructionEntry[13].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->ErrorLogAddressRange));
>> +  mErst.ErstInstructionEntry[14].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->ErrorLogAddressRangeLength));
>> +  mErst.ErstInstructionEntry[15].RegisterRegion.Address = (UINT64)(&(ErstRtCtx->ErrorLogAttributes));
>> +  Context->ErstHeader = (EFI_ACPI_6_1_ERROR_RECORD_SERIALIZATION_TABLE_HEADER*)&mErst;
>> +  Context->ExecuteOperationEntry = &(mErst.ErstInstructionEntry[5]);
>> +  Context->GetErrorLogAddrRangeAttributes = &(mErst.ErstInstructionEntry[15]);
>> +  Context->Rt = ErstRtCtx;
>> +  return Status;
>> +};
>> +
>> +VOID
>> +SetAttributeOfErrorLogAddressRange (
>> +  ERST_BOOT_CONTEXT  *Context,
>> +  UINT64             Attribute
>> +)
>> +{
>> +  Context->Rt->ErrorLogAttributes = Attribute & 0x7;
> 
> What's that 0x7?

I do't know really. This function is not called anywhere,
so I will drop this function.

> 
>> +  return;
>> +}
>> +
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.h
>> new file mode 100644
>> index 0000000000..1dfa4f4245
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Erst/erst.h
>> @@ -0,0 +1,145 @@
>> +/** @file
>> +*
>> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
>> +*
>> +*  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 _ERST_H_
>> +#define _ERST_H_
>> +
>> +#include "Apei.h"
>> +
>> +#define ERST_STATUS_SUCCESS                 EFI_ACPI_6_1_ERST_STATUS_SUCCESS
>> +#define ERST_STATUS_NOT_ENOUGH_SPACE        EFI_ACPI_6_1_ERST_STATUS_NOT_ENOUGH_SPACE
>> +#define ERST_STATUS_HARDWARE_NOT_AVAILABLE  EFI_ACPI_6_1_ERST_STATUS_HARDWARE_NOT_AVAILABLE
>> +#define ERST_STATUS_FAILED                  EFI_ACPI_6_1_ERST_STATUS_FAILED
>> +#define ERST_STATUS_RECORD_STORE_EMPTY      EFI_ACPI_6_1_ERST_STATUS_RECORD_STORE_EMPTY
>> +#define ERST_STATUS_RECORD_NOT_FOUND        EFI_ACPI_6_1_ERST_STATUS_RECORD_NOT_FOUND
>> +
>> +#define ERST_BEGIN_WRITE_VALUE              0x01
>> +#define ERST_BEGIN_WRITE_MASK               0xFFFFFFFFFFFFFFFF
>> +#define ERST_BEGIN_READ_VALUE               0x02
>> +#define ERST_BEGIN_READ_MASK                0xFFFFFFFFFFFFFFFF
>> +#define ERST_BEGIN_CLEAR_VALUE              0x03
>> +#define ERST_BEGIN_CLEAR_MASK               0xFFFFFFFFFFFFFFFF
>> +#define ERST_END_OPERATION_VALUE            0x04
>> +#define ERST_END_OPERATION_MASK             0xFFFFFFFFFFFFFFFF
>> +#define ERST_MASK                           0xFFFFFFFFFFFFFFFF
>> +
>> +#define ERST_BEGIN_WRITE_OPERATION          EFI_ACPI_6_1_ERST_BEGIN_WRITE_OPERATION
>> +#define ERST_BEGIN_READ_OPERATION           EFI_ACPI_6_1_ERST_BEGIN_READ_OPERATION
>> +#define ERST_BEGIN_CLEAR_OPERATION          EFI_ACPI_6_1_ERST_BEGIN_CLEAR_OPERATION
>> +#define ERST_END_OPERATION                  EFI_ACPI_6_1_ERST_END_OPERATION
>> +#define ERST_BEGIN_DUMMY_WRITE_OPERATION    EFI_ACPI_6_1_ERST_BEGIN_DUMMY_WRITE_OPERATION
>> +
>> +#define ERST_ACTION_NO                      16
>> +
>> +#define ERST_RECORD_FREE                    0x00
>> +#define ERST_RECORD_INUSE                   0x01
>> +
>> +#define ERST_RECORD_STORE_IN_NVRAM          0
>> +#define ERST_RECORD_STORE_IN_MEM            1
>> +#define ERST_RECORD_STORE_IN_SPI_FLASH      2
>> +
>> +#define ERST_LOG_ATTR_NVRAM                 0x02
>> +
>> +typedef struct {
>> +  UINT64 OperationId;
>> +  UINT64 RecordOffset;
>> +  UINT64 BusyStatus;
>> +  UINT64 CommandStatus;
>> +  UINT64 GetRecordId;
>> +  UINT64 SetRecordId;
>> +  UINT64 RecordCount;
>> +  UINT64 DummyWrite;
>> +  UINT64 Reserved;
>> +  UINT64 ErrorLogAddrRange;
>> +  UINT64 ErrorLogAddrRangeLength;
>> +  UINT64 ErrorLogAttributes;
>> +  UINT64 NvRamLogAddrNext;
>> +  UINT64 NvRamLogSizeRemain;
>> +} ERST_DATA_STRUCTURE;
>> +
>> +typedef struct {
>> +  UINT16 Signature;
>> +  UINT16 Data0;
>> +  UINT16 Data1;
>> +  UINT8  Data2;
>> +  UINT8  Attributes; //0: free
>> +} ERST_ERROR_RECORD_INFO;
>> +
>> +///
>> +/// ERST Table
>> +///
>> +
>> +
>> +
>> +typedef struct _ERST_CONTEXT {
>> +  UINT64 Operation;                 // WRITE,READ,CLEAR,END,
>> +  UINT64 DummyWrite;//DUMMY_WRITE_OPEATION
>> +  UINT64 RecordOffset;              // Offset form the buffer(error log  adress range)
>> +  UINT32 BusyStatus;
>> +  UINT32 CommandStatus;
>> +  UINT64 KeyRecordId;              //OS Set the Record ID To Read/Write/Search
>> +  UINT64 MaxTimeOfExecuteOperation;
>> +  UINT64 RecordCount;              // Num of Record In NVRAM
>> +  UINT64 ErrorLogAddressRange;     // Address Of Range Top
>> +  UINT64 ErrorLogAddressRangeLength;     // Address Of Range Top
>> +  UINT64 ErrorLogAttributes;
>> +  VOID   *NvRamLogAddrRange;
>> +  UINT64 NvRamLogAddrRangeLength;
>> +  UINT64 NvRamRecordOffset;
>> +  UINT64 NvRamNextVallidRecordId;    //Get RecordId entry
>> +  UINT64 NvRamNextValidRecordOffset;
>> +  UINT64 NvRamAllRecordLength;
>> +} ERST_RT_CONTEXT;
> 
> Please align the comments a bit better.

OK

> 
>> +
>> +typedef struct _ERST_BOOT_CONTEXT {
>> +  EFI_ACPI_6_1_ERROR_RECORD_SERIALIZATION_TABLE_HEADER *ErstHeader;
>> +  EFI_ACPI_6_1_ERST_SERIALIZATION_INSTRUCTION_ENTRY    *ExecuteOperationEntry;
>> +  EFI_ACPI_6_1_ERST_SERIALIZATION_INSTRUCTION_ENTRY    *GetErrorLogAddrRangeAttributes;
>> +  ERST_RT_CONTEXT                                      *Rt;
>> +} ERST_BOOT_CONTEXT;
>> +
>> +extern EFI_ACPI_TABLE_PROTOCOL              *mAcpiTableProtocol;
>> +extern APEI_TRUSTFIRMWARE_STRUCTURE         *mApeiTrustfirmwareStruc;
>> +
>> +EFI_STATUS
>> +ErstHeaderCreator(
>> +  ERST_BOOT_CONTEXT  *Context,
>> +  UINT64             BufferSize,//ERST_DATASTORE_SIZE
>> +  VOID               *NvRamAddrRange,
>> +  UINT64             NvRamAllRecordLength,
>> +  UINT64             NvRamAddrRangeLength
>> +);
>> +
>> +VOID
>> +SetAttributeOfErrorLogAddressRange (
>> +  ERST_BOOT_CONTEXT  *Context,
>> +  UINT64             Attribute
>> +);
>> +
>> +/***OEM***/
>> +EFI_STATUS
>> +OemInitErstTable (VOID);
>> +
>> +EFI_STATUS
>> +OemErstConfigExecuteOperationEntry (
>> +  ERST_BOOT_CONTEXT *Context
>> +);
>> +
>> +VOID
>> +ErstSetAcpiTable (
>> +  ERST_BOOT_CONTEXT *Context
>> +);
>> +
>> +
>> +#endif    // _ERST_H_
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.c
>> new file mode 100644
>> index 0000000000..76296de95d
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.c
>> @@ -0,0 +1,98 @@
>> +#include "ErrorSource/Ghes.h"
>> +#include "hest.h"
>> +
>> +EFI_STATUS HestAddErrorSourceDescriptor (
>> +  IN OUT HEST_CONTEXT  *Context,
>> +  IN VOID              *ErrorSourceDescriptor,
>> +  IN UINT32            SizeOfDescriptor
>> +)
>> +{
>> +  UINT16                                          *pSourceId;
>> +  VOID                                            *Descriptor;
>> +  EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER *HestHeader;
>> +
>> +  if ((Context == NULL) || (ErrorSourceDescriptor == NULL)) {
>> +    return EFI_INVALID_PARAMETER;
>> +  }
>> +  HestHeader = Context->HestHeader;
>> +  if (HestHeader->Header.Length + SizeOfDescriptor > Context->OccupiedMemorySize) {
>> +    DEBUG ((DEBUG_ERROR, "[%a]:[%dL]: Hest Size Too small\n", __FUNCTION__, __LINE__));
>> +    return EFI_BUFFER_TOO_SMALL;
>> +  }
>> +  Descriptor = (UINT8*)HestHeader + HestHeader->Header.Length;
>> +  gBS->CopyMem ((VOID*)Descriptor , ErrorSourceDescriptor, SizeOfDescriptor);
>> +  pSourceId = Descriptor + sizeof (UINT16);
>> +  *pSourceId = HestHeader->ErrorSourceCount;
>> +  HestHeader->Header.Length += SizeOfDescriptor;
>> +  HestHeader->ErrorSourceCount++;
>> +  Context->KeyErrorSource = Descriptor;
>> +  return EFI_SUCCESS;
>> +}
>> +
>> +VOID
>> +HestSetAcpiTable(
>> +  IN HEST_CONTEXT  *Context
>> +)
>> +{
>> +  UINTN                     AcpiTableHandle;
>> +  EFI_STATUS                Status;
>> +  UINT8                     Checksum;
>> +  EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER *HestHeader;
>> +  EFI_ACPI_SDT_HEADER       *Table;
>> +  EFI_ACPI_TABLE_VERSION    TableVersion;
>> +  UINTN                     TableKey;
>> +  UINT32                    i;
> 
> I.
> 
>> +  if (Context == NULL) {
>> +    DEBUG ((DEBUG_ERROR, "[%a]:[%dL]: ERROR\n", __FUNCTION__, __LINE__));
>> +    return;
>> +  }
>> +
>> +  HestHeader = Context->HestHeader;
>> +  Checksum = CalculateCheckSum8 ((UINT8*)(HestHeader),  HestHeader->Header.Length);
>> +  HestHeader->Header.Checksum = Checksum;
>> +  AcpiTableHandle = 0;
>> +  // see AcpiTableProtocol.c InstallAcpiTable
>> +  Status = mAcpiTableProtocol->InstallAcpiTable (
>> +                                  mAcpiTableProtocol,
>> +                                  HestHeader,
>> +                                  HestHeader->Header.Length,
>> +                                  &AcpiTableHandle);
>> +  for (i = 0; i < EFI_ACPI_MAX_NUM_TABLES; i++) {
>> +    Status = mAcpiSdtProtocol->GetAcpiTable (i, &Table, &TableVersion, &TableKey);
>> +    if (EFI_ERROR (Status)) {
>> +      break;
>> +    }
>> +    if (Table->Signature != EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_SIGNATURE) {
>> +      continue;
>> +    }
>> +    mApeiTrustfirmwareStruc->HestTableAddress = (EFI_PHYSICAL_ADDRESS)Table;
>> +    DEBUG ((DEBUG_ERROR, "Acpi HestSetAcpiTable Table = 0x%x.\n", (EFI_PHYSICAL_ADDRESS)Table));
>> +  }
>> +  DEBUG ((DEBUG_ERROR, "[%a]:[%dL]:OUT %llx, IN %llx \n", __FUNCTION__, __LINE__, AcpiTableHandle, Context->HestHeader));
>> +  // TBD free Hest Buffer
> 
> If the buffer needs freeing, free it. Don't talk about it.

No buffer need to free, I will drop the comment.

> 
>> +  return;
>> +}
>> +
>> +EFI_STATUS
>> +HestHeaderCreator(
>> +  HEST_CONTEXT  *Context,
>> +  UINT32        PreAllocatedHestSize
>> +)
>> +{
>> +  DEBUG ((DEBUG_ERROR, "[%a]:[%dL]: \n", __FUNCTION__, __LINE__));
>> +  if (PreAllocatedHestSize < sizeof (EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER)) {
>> +    return EFI_BUFFER_TOO_SMALL;
>> +  }
>> +  Context->HestHeader = AllocateReservedZeroPool (PreAllocatedHestSize);
>> +  *Context->HestHeader = (EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER) {
>> +   ARM_ACPI_HEADER (
>> +      EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_SIGNATURE,
>> +      EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER,
>> +      EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_REVISION
>> +    ),
>> +    0x0
>> +  };
>> +  Context->KeyErrorSource = Context->HestHeader + 1;
>> +  Context->OccupiedMemorySize = PreAllocatedHestSize;
>> +  return EFI_SUCCESS;
>> +}
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.h
>> new file mode 100644
>> index 0000000000..09fe985025
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Hest/hest.h
>> @@ -0,0 +1,58 @@
>> +/** @file
>> +*
>> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
>> +*
>> +*  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 _HEST_H_
>> +#define _HEST_H_
>> +
>> +#include "Apei.h"
>> +
>> +
>> +typedef struct _HEST_CONTEXT {
>> +  EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER  *HestHeader;         // pointer to hest header
>> +  UINT32                                           OccupiedMemorySize; // allocated memory size for hest
>> +  VOID                                             *KeyErrorSource;     // key error source, valtile
>> +} HEST_CONTEXT;
>> +
>> +EFI_STATUS
>> +HestAddErrorSourceDescriptor (
>> +  IN OUT HEST_CONTEXT  *Context,
>> +  IN VOID              *ErrorSourceDescriptor,
>> +  IN UINT32            SizeOfDescriptor
>> +);
>> +VOID
>> +HestSetAcpiTable (
>> +  IN HEST_CONTEXT *Context
>> +);
>> +EFI_STATUS
>> +HestHeaderCreator (
>> +  HEST_CONTEXT  *Context,
>> +  UINT32        PreAllocatedHestSize
>> +);
>> +
>> +/**
>> +* OEM Interface declaration
>> +* 1.Interface is not realized default
>> +* 2.OEM should implement this interface
>> +*/
>> +extern
>> +VOID
>> +OemHestInitialNotification (VOID);
>> +
>> +extern
>> +EFI_STATUS
>> +OemInitHestTable(
>> +  IN EFI_HANDLE ImageHandle
>> +);
>> +
>> +#endif    // _HEST_H_
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.c b/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.c
>> new file mode 100644
>> index 0000000000..3eb28b9549
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.c
>> @@ -0,0 +1,303 @@
>> +#include <Guid/Cper.h>
>> +#include <Uefi/UefiBaseType.h>
>> +#include "Bert/bert.h"
>> +#include "Einj/einj.h"
>> +#include "ErrorSource/Ghes.h"
>> +#include "Erst/erst.h"
>> +#include "Hest/hest.h"
>> +#include "OemApeiHi1620.h"
>> +
>> +VOID
>> +GpioCombInit (
>> +  UINTN  Base,
>> +  UINT32 Pin
>> +)
>> +{
>> +  UINT32 Val = MmioRead32 (Base + GPIO_INT_MASK);
>> +  MmioWrite32 (Base + GPIO_INT_MASK, Val | Pin);
>> +  Val = MmioRead32 (Base + GPIO_INT_EN);
>> +  MmioWrite32 (Base + GPIO_INT_EN, Val | Pin);
>> +  Val = MmioRead32 (Base + GPIO_SWPORT_DDR);
>> +  MmioWrite32 (Base + GPIO_SWPORT_DDR, Val & (~Pin));
>> +  Val = MmioRead32 (Base + GPIO_INT_TYPE);
>> +  MmioWrite32 (Base + GPIO_INT_TYPE, Val & (~Pin));
>> +  Val = MmioRead32 (Base + GPIO_INT_POLARITY);
>> +  MmioWrite32 (Base + GPIO_INT_POLARITY, Val | Pin);
>> +  Val = MmioRead32 (Base + GPIO_LS_SYNC);
>> +  MmioWrite32 (Base + GPIO_LS_SYNC, Val & (~Pin));
>> +  MmioWrite32 (Base + GPIO_INT_COMB, 1);
>> +  return;
>> +}
>> +/************************************************
>> +*************** HEST ***************
>> +************************************************/
>> +
>> +/*****************************************************************************
>> +* @param EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE* GhesV2,Vector of GhesV2
>> +* @param UINT8 NumOfGhesV2
>> +* @param_out
>> +* @retval EFI_STATUS
>> +*****************************************************************************/
>> +EFI_STATUS
>> +GhesV2ContextForHest (
>> +  IN EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE GhesV2[MAX_GHES],
>> +  IN UINT8                                                          NumOfGhesV2
>> +)
>> +{
>> +  // ensuce the size is expected
>> +  if ((GhesV2 == NULL) || (NumOfGhesV2 != MAX_GHES)) {
>> +    return EFI_INVALID_PARAMETER;
>> +  }
>> +  //current?? only  1 block per ghes is supported
>> +  UINT8  NumOfBlockPerGhes = 1;
> 
> When are you intending to add support for more?
> If not imminently, just leave this overhead out for now.

I think we have no plan to add support for more.
So, drop that comment.

> 
>> +  UINT8  iter = 0;
> 
> I.
> 
>> +  UINT32 BlockMemorySize = MAX_GHES * (sizeof (GHES_REGISTER) + NumOfBlockPerGhes * GENERIC_HARDWARE_ERROR_BLOCK_SIZE);
>> +  UINT32 ErrorSeverityArray[MAX_GHES] = {ERROR_SEVERITY_RECOVERABLE, ERROR_SEVERITY_FATAL, ERROR_SEVERITY_CORRECTED};
> 
> Wrap long lines.
> 
>> +  VOID   *ErrorBlockHead;
>> +  VOID   *ErrorBlock;
>> +  VOID   *BlockMemory;
>> +  GHES_REGISTER  *GhesRegisters;
>> +  EFI_STATUS     Status = EFI_SUCCESS;
>> +  Status = gBS->AllocatePool (
>> +             EfiReservedMemoryType,
>> +             BlockMemorySize,
>> +             & BlockMemory
> 
> No space after '&'.
> 
>> +           );
>> +  if (EFI_ERROR (Status)) {
>> +    return Status;
>> +  }
>> +  gBS->SetMem (
>> +    BlockMemory,
>> +    BlockMemorySize,
>> +    0
>> +    );
> 
> Above call would easily fit on a single line.
> 
>> +  GhesRegisters = BlockMemory;
>> +  ErrorBlockHead = BlockMemory + MAX_GHES * sizeof (GHES_REGISTER);
>> +  ErrorBlock = ErrorBlockHead;
>> +  for (iter = 0; iter < MAX_GHES; iter++) {
>> +    GhesV2Initial (&GhesV2[iter], GENERIC_HARDWARE_ERROR_BLOCK_SIZE);
>> +    GhesV2AddNotification (&GhesV2[iter], EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_GSIV);
>> +    ErrorBlockInitial (ErrorBlock, ErrorSeverityArray[iter]);
>> +    GhesV2LinkErrorBlock (&GhesV2[iter], &GhesRegisters[iter], ErrorBlock);
>> +    ErrorBlock += GhesV2[iter].ErrorStatusBlockLength;
>> +  }
>> +  return EFI_SUCCESS;
>> +}
>> +/*****************************************************************************
>> +* @param EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE* GhesV2,Vector of GhesV2
>> +* @param UINT8 NumOfGhesV2
>> +* @param_out
>> +* @retval EFI_STATUS
>> +*****************************************************************************/
>> +
>> +EFI_STATUS
>> +GhesV1ContextForHest(
>> +  IN EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE GhesV1[MAX_GHES],
>> +  IN UINT8                                                NumOfGhesV1
>> +)
>> +{
>> +  // ensuce the size is expected
>> +  if ((GhesV1 == NULL) || (NumOfGhesV1 != MAX_GHES)) {
>> +    return EFI_INVALID_PARAMETER;
>> +  }
>> +  //current?? only  1 block per ghes is supported
>> +  UINT8      NumOfBlockPerGhes = 1;
> 
> Same as for previous function.
> 
>> +  UINT8      iter = 0;
> 
> I.
> 
>> +  UINT32     BlockMemorySize = MAX_GHES * (sizeof (UINT64) + NumOfBlockPerGhes * GENERIC_HARDWARE_ERROR_BLOCK_SIZE);
>> +  UINT32     ErrorSeverityArray[MAX_GHES] = {ERROR_SEVERITY_RECOVERABLE, ERROR_SEVERITY_FATAL, ERROR_SEVERITY_CORRECTED};
> 
> Wrap long lines.
> 
>> +  VOID       *ErrorBlockHead;
>> +  VOID       *ErrorBlock;
>> +  VOID       *BlockMemory;
>> +  UINT64     *ptrBlockAddress;
>> +  EFI_STATUS Status = EFI_SUCCESS;
>> +  Status = gBS->AllocatePool (
>> +             EfiReservedMemoryType,
>> +             BlockMemorySize,
>> +             & BlockMemory
> 
> No space after '&'.
> 
>> +           );
>> +  if (EFI_ERROR (Status)) {
>> +    return Status;
>> +  }
>> +  gBS->SetMem (
>> +    BlockMemory,
>> +    BlockMemorySize,
>> +    0
>> +  );
> 
> Unwrap short lone.
> 
>> +  ptrBlockAddress = BlockMemory;
>> +  ErrorBlockHead = BlockMemory + MAX_GHES * sizeof (UINT64);
>> +  ErrorBlock = ErrorBlockHead;
>> +  for (iter = 0; iter < MAX_GHES; iter++) {
>> +    GhesV1Initial (&GhesV1[iter], GENERIC_HARDWARE_ERROR_BLOCK_SIZE);
>> +    GhesV1AddNotification (&GhesV1[iter], EFI_ACPI_6_1_HARDWARE_ERROR_NOTIFICATION_GSIV);
>> +    ErrorBlockInitial (ErrorBlock, ErrorSeverityArray[iter]);
>> +    GhesV1LinkErrorBlock (&GhesV1[iter], &ptrBlockAddress[iter], ErrorBlock);
>> +    ErrorBlock += GhesV1[iter].ErrorStatusBlockLength;
>> +  }
>> +  return EFI_SUCCESS;
>> +}
>> +
>> +VOID
>> +OemHestInitialNotification ()
>> +{
>> +  // GPIO init
>> +  // use int_msk to simulate
>> +  UINTN Base = IOMUX_REG_BASE;
>> +  //GPIO9, in document 'PhosphorV680 Totemiomux' iomg051,
>> +  //Set GPIO9 to pad_ex_int1
>> +  MmioWrite32(Base + IOMG051, PAD_EX_INT1);
> 
> Spave before '('.
> 
>> +  return;
>> +}
>> +
>> +VOID
>> +OemEinjInitialNotification ()
>> +{
>> +  UINTN Base = IOMUX_REG_BASE;
>> +  //use TB_GPIO_PIN10 for EINJ
>> +  MmioWrite32 (Base + IOMG052, PAD_EX_INT1);
>> +  return;
>> +}
>> +
>> +EFI_STATUS
>> +OemInitHestTable(
>> +  IN EFI_HANDLE         ImageHandle
>> +)
>> +{
>> +  EFI_STATUS                                                     Status = EFI_SUCCESS;
>> +  HEST_CONTEXT                                                   HestContext;
>> +  EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE GhesV2[MAX_GHES];
>> +  Status = HestHeaderCreator (&HestContext, HEST_TABLE_SIZE);
>> +  if (EFI_ERROR (Status)) {
>> +    return Status;
>> +  }
>> +  Status = GhesV2ContextForHest(GhesV2, MAX_GHES);
>> +  if (EFI_ERROR (Status)) {
>> +    return Status;
>> +  }
>> +  Status |= HestAddErrorSourceDescriptor (&HestContext, &GhesV2[0], sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE));
>> +  mApeiTrustfirmwareStruc->HestRecoverableErrorGhesV2 = HestContext.KeyErrorSource;
>> +  Status |= HestAddErrorSourceDescriptor (&HestContext, &GhesV2[1], sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE));
>> +  mApeiTrustfirmwareStruc->HestFatalErrorGhesV2 = HestContext.KeyErrorSource;
>> +  Status |= HestAddErrorSourceDescriptor (&HestContext, &GhesV2[2], sizeof(EFI_ACPI_6_1_GENERIC_HARDWARE_ERROR_SOURCE_VERSION_2_STRUCTURE));
> 
> Very long lines. Pelase wrap. (space after sizeof - apply throughout)
> 
>> +  mApeiTrustfirmwareStruc->HestCorrectedErrorGhesV2 = HestContext.KeyErrorSource;
>> +  OemHestInitialNotification ();
>> +  HestSetAcpiTable (&HestContext);
>> +  return Status;
>> +}
>> +/************************************************
>> +*************** BERT ***************
>> +************************************************/
>> +
>> +EFI_STATUS
>> +OemInitBertTable (
>> +  IN EFI_HANDLE ImageHandle
>> +)
>> +{
>> +  BERT_CONTEXT Context;
>> +  BOOLEAN      Status;
>> +  Status = BertHeaderCreator (&Context, BOOT_ERROR_REGION_SIZE);
>> +  if (EFI_ERROR (Status)) {
>> +    return Status;
>> +  }
>> +  ErrorBlockInitial (Context.Block, ERROR_SEVERITY_NONE);
>> +  BertSetAcpiTable (&Context);
>> +  DEBUG((DEBUG_ERROR, "[%a]:[%dL]: %r\n", __FUNCTION__, __LINE__, Status));
>> +  return EFI_SUCCESS;
>> +}
>> +/************************************************
>> +*************** EINJ ***************
>> +************************************************/
>> +EFI_STATUS
>> +OemEinjConfigExecuteOperationEntry (
>> +  EINJ_CONTEXT *Context
>> +)
>> +{
>> +  EFI_ACPI_6_0_EINJ_INJECTION_INSTRUCTION_ENTRY* KeyEntry = Context->ExecuteOperationEntry;
>> +  OemEinjInitialNotification ();
>> +  //use TB_GPIO_PIN10 for EINJ
>> +  KeyEntry->RegisterRegion.Address = PcdGet64 (PcdCpldBaseAddress) + CPLD_GPIO10_INT_OFFSET;
>> +  KeyEntry->Mask = CPLD_MASK;
>> +  KeyEntry->Value = CPLD_VALUE;
>> +  return EFI_SUCCESS;
>> +}
>> +
>> +EFI_STATUS
>> +OemInitEinjTable(
>> +)
>> +{
>> +  EFI_STATUS    Status;
>> +  EINJ_CONTEXT  Context;
>> +  Status = EinjHeaderCreator (&Context);
>> +  if (EFI_ERROR (Status)) {
>> +    return Status;
>> +  }
>> +  (VOID)EinjConfigErrorInjectCapability (&Context, 0xFFF);// TBD
>> +  (VOID)OemEinjConfigExecuteOperationEntry (&Context);
>> +  EinjSetAcpiTable (&Context);
>> +  DEBUG((DEBUG_ERROR, "[%a]:[%dL]: %d\n", __FUNCTION__, __LINE__, Status));
>> +  return EFI_SUCCESS;
>> +}
>> +/************************************************
>> +*************** ERST ***************
>> +************************************************/
>> +
>> +EFI_STATUS
>> +OemErstConfigExecuteOperationEntry(
>> +  ERST_BOOT_CONTEXT *Context
>> +)
>> +{
>> +  EFI_ACPI_6_1_ERST_SERIALIZATION_INSTRUCTION_ENTRY *KeyEntry;
>> +  KeyEntry = Context->ExecuteOperationEntry;
>> +  KeyEntry->RegisterRegion.Address = GPIO1_BASE + GPIO_INT_MASK; //GPIO0_BASE + GPIO0_SWPORT_DR_OFFSET
> 
> I don't understand the purpose of the comment.

It is useless and drop it in v2.

> 
>> +  KeyEntry->Value = 0x10;
>> +  KeyEntry->Mask = 0xFFFFFFFF;
>> +  GpioCombInit (GPIO1_BASE, 0xFFFF);
>> +  return EFI_SUCCESS;
>> +}
>> +
>> +BOOLEAN
>> +GetNvRamRegion(
>> +  OUT  VOID  **NvRamAddrRange,
>> +  OUT UINT64 *NvRamAddrRangeLength
>> +)
>> +{
>> +  /***TODO:
>> +  *1. Search ER Record In
>> +  *2. if found, return addr and length
>> +  *3. if not found, allocal new space for record
>> +  ***/
> 
> This isn't a wiki.
> Feel free to write a (much more) detailed comment describing the
> function and its current shortcomings.
> However, comments in functions should describe what the code is
> doing. Not what it is not doing.

I will all TODO comments in v2.

> 
>> +  UINT32 Store = ERST_RECORD_STORE_IN_MEM;
>> +  switch (Store) {
>> +    case (ERST_RECORD_STORE_IN_NVRAM):
>> +      break;
>> +    case (ERST_RECORD_STORE_IN_MEM):
>> +      * NvRamAddrRangeLength = ERST_DATASTORE_SIZE;
>> +      * NvRamAddrRange = AllocateReservedZeroPool (ERST_DATASTORE_SIZE);// TODO should be real no-volatile ram
> 
> See above.
> 
>> +      break;
>> +    case (ERST_RECORD_STORE_IN_SPI_FLASH):
>> +      break;
>> +    default:
>> +      ;
>> +  }
>> +  return TRUE;
>> +}
>> +
>> +/***OEM***/
>> +EFI_STATUS
>> +OemInitErstTable(
>> +)
>> +{
>> +  EFI_STATUS        Status = ERST_STATUS_SUCCESS;
>> +  ERST_BOOT_CONTEXT Context;
>> +  UINT64            BufferSize = ERST_DATASTORE_SIZE;
>> +  VOID              *NvRamAddrRange;
>> +  UINT64            NvRamAddrRangeLength;
>> +  UINT64            NvRamAllRecordLength;
>> +
>> +  GetNvRamRegion (&NvRamAddrRange, &NvRamAddrRangeLength);// TODO
>> +  NvRamAllRecordLength = 0; //TODO get length of exist records In NvRam
> 
> No TODO. See previous function.
> 
>> +  Status = ErstHeaderCreator (&Context, BufferSize , NvRamAddrRange,  NvRamAllRecordLength, NvRamAddrRangeLength);
> 
> Wrap long line.

OK, all comments will apply in v2.
Thanks.

> 
> /
>     Leif
> 
>> +  OemErstConfigExecuteOperationEntry (&Context);
>> +  mApeiTrustfirmwareStruc->ErstContext = (VOID*)Context.Rt;
>> +  ErstSetAcpiTable (&Context);
>> +  return Status;
>> +};
>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.h
>> new file mode 100644
>> index 0000000000..0488bdc050
>> --- /dev/null
>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/OemApeiHi1620.h
>> @@ -0,0 +1,28 @@
>> +#ifndef OEM_APEI_HI1620_H_H
>> +#define OEM_APEI_HI1620_H_H
>> +#define GPIO0_BASE             0x94100000
>> +#define GPIO1_BASE             0x94110000
>> +#define GPIO_INT_MASK          0x34
>> +#define GPIO_INT_EN            0x30
>> +#define GPIO_SWPORT_DDR        0x04
>> +#define GPIO_INT_TYPE          0x38
>> +#define GPIO_INT_POLARITY      0x3c
>> +#define GPIO_LS_SYNC           0x60
>> +#define GPIO_INT_COMB          0xffc
>> +#define IOMUX_REG_BASE         0x94190000
>> +#define IOMG051                0xCC
>> +#define IOMG052                0xD0
>> +#define PAD_EX_INT1            0x4
>> +#define CPLD_GPIO10_INT_OFFSET 0xfc
>> +#define CPLD_BASE_ADDR         0x80000000
>> +#define CPLD_MASK              0x01030000
>> +#define CPLD_VALUE             0x01020000
>> +
>> +#define MAX_GHES                          3
>> +#define GENERIC_HARDWARE_ERROR_BLOCK_SIZE 0x1000
>> +#define HEST_TABLE_SIZE                   0x2000
>> +#define BOOT_ERROR_REGION_SIZE            0x1000
>> +#define GPIO_HEST_NOTIFIED_PIN            BIT8
>> +
>> +#define ERST_DATASTORE_SIZE               0x2000
>> +#endif
>> -- 
>> 2.17.0
>>
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Re: [edk2] [PATCH edk2-platforms v1 30/38] Hisilicon/D06: add apei driver
Posted by Leif Lindholm 7 years, 5 months ago
On Fri, Aug 10, 2018 at 10:46:34AM +0800, Ming wrote:
> >> --- /dev/null
> >> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf

> >> +[sources.common]
> >> +  Apei.c
> > 
> > Apei.h?
> 
> As Apei.h is included by Apei.c, so I think Apei.h
> is no need to add here.

Will the build system still generate correct build dependencies if
Apei.h is modified?

> >> +  Bert/bert.c
> >> +  Bert/bert.h

And if so, why are these other .h files explicitly specified?

> >> +  Einj/einj.c
> >> +  Einj/einj.h
> >> +  Erst/erst.c
> >> +  Erst/erst.h
> >> +  Hest/hest.c
> >> +  Hest/hest.h
> >> +  ErrorSource/Ghes.c
> >> +  ErrorSource/Ghes.h
> >> +  OemApeiHi1620.c

> >> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h
> >> new file mode 100644
> >> index 0000000000..a5342b600f
> >> --- /dev/null
> >> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h
> >> @@ -0,0 +1,154 @@
> >> +/** @file
> >> +*
> >> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
> >> +*
> >> +*  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 _EINJ_H_
> >> +#define _EINJ_H_
> >> +
> >> +#include "Apei.h"
> >> +
> >> +#define EINJ_ACTION_NO             10
> >> +#define EINJ_BEGIN_OPERATION_VALUE 0xFFFF
> >> +#define EINJ_END_OPERATION_VALUE   0
> >> +#define EINJ_WRITE_MASK            0xFFFFFFFF
> >> +#define EINJ_READ_VALUE            0xFFFF
> >> +#define EINJ_READ_MASK             0xFFFFFFFF
> >> +
> >> +#define EINJ_TRIGGER_ERROR_ACTION_NO                                    1
> >> +
> >> +#define EFI_ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS                       0x08
> >> +#define EFI_ACPI_EINJ_GET_EXCUTE_OPERATION_TIMINGS                      0x09
> >> +
> >> +
> >> +extern EFI_ACPI_TABLE_PROTOCOL            *mAcpiTableProtocol;
> >> +extern EFI_ACPI_SDT_PROTOCOL              *mAcpiSdtProtocol;
> >> +extern APEI_TRUSTFIRMWARE_STRUCTURE       *mApeiTrustfirmwareStruc;
> >> +
> >> +//
> >> +// Error Type Definition
> >> +//
> >> +#define EINJ_PROCESSOR_CORRECTABLE                                      BIT0
> >> +#define EINJ_PROCESSOR_UNCORRECTABLE_NONFATAL                           BIT1
> >> +#define EINJ_PROCESSOR_UNCORRECTABLE_FATAL                              BIT2
> >> +#define EINJ_MEMORY_CORRECTABLE                                         BIT3
> >> +#define EINJ_MEMORY_UNCORRECTABLE_NONFATAL                              BIT4
> >> +#define EINJ_MEMORY_UNCORRECTABLE_FATAL                                 BIT5
> >> +#define EINJ_PCIE_CORRECTABLE                                           BIT6
> >> +#define EINJ_PCIE_UNCORRECTABLE_NONFATAL                                BIT7
> >> +#define EINJ_PCIE_UNCORRECTABLE_FATAL                                   BIT8
> >> +#define EINJ_PLATFORM_CORRECTABLE                                       BIT9
> >> +#define EINJ_PLATFORM_UNCORRECTABLE_NONFATAL                            BIT10
> >> +#define EINJ_PLATFORM_UNCORRECTABLE_FATAL                               BIT11
> >> +#define EINJ_VENDOR_DEFINED_ERROR_TYPE                                  BIT31
> >> +
> >> +//
> >> +#define EINJ_PROCESSOR_APIC_VALID                                       BIT0
> >> +#define EINJ_MEMORY_ADDRESS_VALID                                       BIT1
> >> +#define EINJ_PCIE_SBDF_VALID                                            BIT2
> >> +
> >> +//CPER
> >> +#define EFI_GENERIC_ERROR_PROC_TYPE_ARM                                 0x02
> >> +
> >> +#define EFI_GENERIC_ERROR_PROC_ISA_ARM32                                0x03
> >> +#define EFI_GENERIC_ERROR_PROC_ISA_ARM64                                0x04
> > 
> > Surely these should be added to MdePkg/Include/Guid/Cper.h instead?
> > Please submit a patch.
> 
> OK, should this macro be add to MdePkg/Include/Guid/Cper.h ?
> EFI_GENERIC_ERROR_PROC_TYPE_ARM

Yes please - I could have been more clear on that.

/
    Leif
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Re: [edk2] [PATCH edk2-platforms v1 30/38] Hisilicon/D06: add apei driver
Posted by Ming 7 years, 5 months ago

在 8/14/2018 11:39 PM, Leif Lindholm 写道:
> On Fri, Aug 10, 2018 at 10:46:34AM +0800, Ming wrote:
>>>> --- /dev/null
>>>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Apei.inf
> 
>>>> +[sources.common]
>>>> +  Apei.c
>>>
>>> Apei.h?
>>
>> As Apei.h is included by Apei.c, so I think Apei.h
>> is no need to add here.
> 
> Will the build system still generate correct build dependencies if
> Apei.h is modified?

Yes

> 
>>>> +  Bert/bert.c
>>>> +  Bert/bert.h
> 
> And if so, why are these other .h files explicitly specified?

I will remove these .h files in v3.

> 
>>>> +  Einj/einj.c
>>>> +  Einj/einj.h
>>>> +  Erst/erst.c
>>>> +  Erst/erst.h
>>>> +  Hest/hest.c
>>>> +  Hest/hest.h
>>>> +  ErrorSource/Ghes.c
>>>> +  ErrorSource/Ghes.h
>>>> +  OemApeiHi1620.c
> 
>>>> diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h
>>>> new file mode 100644
>>>> index 0000000000..a5342b600f
>>>> --- /dev/null
>>>> +++ b/Silicon/Hisilicon/Hi1620/Drivers/Apei/Einj/einj.h
>>>> @@ -0,0 +1,154 @@
>>>> +/** @file
>>>> +*
>>>> +*  Copyright (c) 2017 Hisilicon Limited. All rights reserved.
>>>> +*
>>>> +*  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 _EINJ_H_
>>>> +#define _EINJ_H_
>>>> +
>>>> +#include "Apei.h"
>>>> +
>>>> +#define EINJ_ACTION_NO             10
>>>> +#define EINJ_BEGIN_OPERATION_VALUE 0xFFFF
>>>> +#define EINJ_END_OPERATION_VALUE   0
>>>> +#define EINJ_WRITE_MASK            0xFFFFFFFF
>>>> +#define EINJ_READ_VALUE            0xFFFF
>>>> +#define EINJ_READ_MASK             0xFFFFFFFF
>>>> +
>>>> +#define EINJ_TRIGGER_ERROR_ACTION_NO                                    1
>>>> +
>>>> +#define EFI_ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS                       0x08
>>>> +#define EFI_ACPI_EINJ_GET_EXCUTE_OPERATION_TIMINGS                      0x09
>>>> +
>>>> +
>>>> +extern EFI_ACPI_TABLE_PROTOCOL            *mAcpiTableProtocol;
>>>> +extern EFI_ACPI_SDT_PROTOCOL              *mAcpiSdtProtocol;
>>>> +extern APEI_TRUSTFIRMWARE_STRUCTURE       *mApeiTrustfirmwareStruc;
>>>> +
>>>> +//
>>>> +// Error Type Definition
>>>> +//
>>>> +#define EINJ_PROCESSOR_CORRECTABLE                                      BIT0
>>>> +#define EINJ_PROCESSOR_UNCORRECTABLE_NONFATAL                           BIT1
>>>> +#define EINJ_PROCESSOR_UNCORRECTABLE_FATAL                              BIT2
>>>> +#define EINJ_MEMORY_CORRECTABLE                                         BIT3
>>>> +#define EINJ_MEMORY_UNCORRECTABLE_NONFATAL                              BIT4
>>>> +#define EINJ_MEMORY_UNCORRECTABLE_FATAL                                 BIT5
>>>> +#define EINJ_PCIE_CORRECTABLE                                           BIT6
>>>> +#define EINJ_PCIE_UNCORRECTABLE_NONFATAL                                BIT7
>>>> +#define EINJ_PCIE_UNCORRECTABLE_FATAL                                   BIT8
>>>> +#define EINJ_PLATFORM_CORRECTABLE                                       BIT9
>>>> +#define EINJ_PLATFORM_UNCORRECTABLE_NONFATAL                            BIT10
>>>> +#define EINJ_PLATFORM_UNCORRECTABLE_FATAL                               BIT11
>>>> +#define EINJ_VENDOR_DEFINED_ERROR_TYPE                                  BIT31
>>>> +
>>>> +//
>>>> +#define EINJ_PROCESSOR_APIC_VALID                                       BIT0
>>>> +#define EINJ_MEMORY_ADDRESS_VALID                                       BIT1
>>>> +#define EINJ_PCIE_SBDF_VALID                                            BIT2
>>>> +
>>>> +//CPER
>>>> +#define EFI_GENERIC_ERROR_PROC_TYPE_ARM                                 0x02
>>>> +
>>>> +#define EFI_GENERIC_ERROR_PROC_ISA_ARM32                                0x03
>>>> +#define EFI_GENERIC_ERROR_PROC_ISA_ARM64                                0x04
>>>
>>> Surely these should be added to MdePkg/Include/Guid/Cper.h instead?
>>> Please submit a patch.
>>
>> OK, should this macro be add to MdePkg/Include/Guid/Cper.h ?
>> EFI_GENERIC_ERROR_PROC_TYPE_ARM
> 
> Yes please - I could have been more clear on that.
> 
> /
>     Leif
> 
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