From: "Girish Mahadevan via groups.io" <gmahadevan=nvidia.com@groups.io>
To: <sami.mujawar@arm.com>, <Alexei.Fedorov@arm.com>,
<pierre.gondois@arm.com>, <abner.chang@amd.com>,
<Samer.El-Haj-Mahmoud@arm.com>, <Jose.Marinho@arm.com>
Cc: <gmahadevan@nvidia.com>, <jbrasen@nvidia.com>,
<ashishsingha@nvidia.com>, <nramirez@nvidia.com>,
<devel@edk2.groups.io>
Subject: [edk2-devel] [staging/dynamictables-reorg PATCH v0 12/12] DynamicTablesPkg: Smbios Memory Array Mapped Address (Type 19)
Date: Wed, 5 Feb 2025 15:09:10 -0700 [thread overview]
Message-ID: <58f8eb29f9f98dd6674510557f6543a9250681d2.1738793024.git.gmahadevan@nvidia.com> (raw)
In-Reply-To: <cover.1738793024.git.gmahadevan@nvidia.com>
Add the Generator library for SMBIOS Table Type 19 - Memory Array
Mapped Address.
Signed-off-by: Girish Mahadevan <gmahadevan@nvidia.com>
Reviewed-by: Jeff Brasen <jbrasen@nvidia.com>
---
.../Include/SmbiosNameSpaceObjects.h | 14 +
.../SmbiosType19Lib/SmbiosType19Generator.c | 364 ++++++++++++++++++
.../SmbiosType19Lib/SmbiosType19Lib.inf | 36 ++
3 files changed, 414 insertions(+)
create mode 100644 DynamicTablesPkg/Library/Smbios/SmbiosType19Lib/SmbiosType19Generator.c
create mode 100644 DynamicTablesPkg/Library/Smbios/SmbiosType19Lib/SmbiosType19Lib.inf
diff --git a/DynamicTablesPkg/Include/SmbiosNameSpaceObjects.h b/DynamicTablesPkg/Include/SmbiosNameSpaceObjects.h
index 7e883e1b89..e6c35f1ffd 100644
--- a/DynamicTablesPkg/Include/SmbiosNameSpaceObjects.h
+++ b/DynamicTablesPkg/Include/SmbiosNameSpaceObjects.h
@@ -151,6 +151,20 @@ typedef struct CmSmbiosPhysicalMemoryArray {
CM_OBJECT_TOKEN PhysMemArrayToken;
} CM_SMBIOS_PHYSICAL_MEMORY_ARRAY;
+/** A structure that describes the Memory Array Mapped Address.
+
+ SMBIOS Specification v3.6.0 Type 19
+
+ ID: ESmbiosObjPhysicalMemoryArray
+**/
+typedef struct CmSmbiosMemArrayMappedAddress {
+ EFI_PHYSICAL_ADDRESS StartingAddress;
+ EFI_PHYSICAL_ADDRESS EndingAddress;
+ CM_OBJECT_TOKEN MemoryArrayMappedAddressToken;
+ UINT8 NumMemDevices;
+ CM_OBJECT_TOKEN PhysMemArrayToken;
+} CM_SMBIOS_MEMORY_ARRAY_MAPPED_ADDRESS;
+
#pragma pack()
#endif // SMBIOS_NAMESPACE_OBJECTS_H_
diff --git a/DynamicTablesPkg/Library/Smbios/SmbiosType19Lib/SmbiosType19Generator.c b/DynamicTablesPkg/Library/Smbios/SmbiosType19Lib/SmbiosType19Generator.c
new file mode 100644
index 0000000000..0ca16cb300
--- /dev/null
+++ b/DynamicTablesPkg/Library/Smbios/SmbiosType19Lib/SmbiosType19Generator.c
@@ -0,0 +1,364 @@
+/** @file
+ SMBIOS Type19 Table Generator.
+
+ Copyright (c) 2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ Copyright (c) 2020 - 2021, Arm Limited. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PrintLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/SmbiosStringTableLib.h>
+
+// Module specific include files.
+#include <ConfigurationManagerObject.h>
+#include <ConfigurationManagerHelper.h>
+#include <Protocol/ConfigurationManagerProtocol.h>
+#include <Protocol/DynamicTableFactoryProtocol.h>
+#include <Protocol/Smbios.h>
+#include <IndustryStandard/SmBios.h>
+
+/** This macro expands to a function that retrieves the Memory Device
+ information from the Configuration Manager.
+*/
+GET_OBJECT_LIST (
+ EObjNameSpaceSmbios,
+ ESmbiosObjMemoryArrayMappedAddress,
+ CM_SMBIOS_MEMORY_ARRAY_MAPPED_ADDRESS
+ )
+
+#define EXTENDED_ADDRESS_THRESHOLD (0xFFFFFFFFL)
+
+/**
+ * Free any resources allocated when installing SMBIOS Type19 table.
+ *
+ * @param [in] This Pointer to the SMBIOS table generator.
+ * @param [in] TableFactoryProtocol Pointer to the SMBIOS Table Factory
+ Protocol interface.
+
+ * @param [in] SmbiosTableInfo Pointer to the SMBIOS table information.
+ * @param [in] CfgMgrProtocol Pointer to the Configuration Manager
+ Protocol interface.
+ * @param [in] Table Pointer to the SMBIOS table.
+ * @param [in] CmObjectToken Pointer to the CM ObjectToken Array.
+ * @param [in] TableCount Number of SMBIOS tables.
+
+ * @retval EFI_SUCCESS Table generated successfully.
+ * @retval EFI_BAD_BUFFER_SIZE The size returned by the Configuration
+ Manager is less than the Object size for
+ the requested object.
+ * @retval EFI_INVALID_PARAMETER A parameter is invalid.
+ * @retval EFI_NOT_FOUND Could not find information.
+ * @retval EFI_OUT_OF_RESOURCES Could not allocate memory.
+ * @retval EFI_UNSUPPORTED Unsupported configuration.
+**/
+STATIC
+EFI_STATUS
+FreeSmbiosType19TableEx (
+ IN CONST SMBIOS_TABLE_GENERATOR *CONST This,
+ IN CONST EDKII_DYNAMIC_TABLE_FACTORY_PROTOCOL *CONST TableFactoryProtocol,
+ IN CONST CM_STD_OBJ_SMBIOS_TABLE_INFO *CONST SmbiosTableInfo,
+ IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL *CONST CfgMgrProtocol,
+ IN SMBIOS_STRUCTURE ***CONST Table,
+ IN CM_OBJECT_TOKEN **CmObjectToken,
+ IN CONST UINTN TableCount
+ )
+{
+ UINTN Index;
+ SMBIOS_STRUCTURE **TableList;
+
+ TableList = *Table;
+ for (Index = 0; Index < TableCount; Index++) {
+ if (TableList[Index] != NULL) {
+ FreePool (TableList[Index]);
+ }
+ }
+
+ if (*CmObjectToken != NULL) {
+ FreePool (*CmObjectToken);
+ }
+
+ if (TableList != NULL) {
+ FreePool (TableList);
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ * Add the SMBIOS table handle reference to the Physical Array Table.
+ *
+ * @param [in] TableFactoryProtocol Pointer to the SMBIOS Table Factory.
+ * @param [in] CmObjToken CM Token to lookup..
+ * @param [out] SmbiosRecord SMBIOS record to update.
+**/
+STATIC
+VOID
+AddPhysArrHandle (
+ IN CONST EDKII_DYNAMIC_TABLE_FACTORY_PROTOCOL *CONST TableFactoryProtocol,
+ IN CM_OBJECT_TOKEN CmObjToken,
+ OUT SMBIOS_TABLE_TYPE19 *SmbiosRecord
+ )
+{
+ EFI_SMBIOS_HANDLE PhysMemArrHandle;
+ SMBIOS_HANDLE_MAP *HandleMap;
+
+ HandleMap = TableFactoryProtocol->GetSmbiosHandle (CmObjToken);
+ if (HandleMap == NULL) {
+ DEBUG ((DEBUG_ERROR, "%a:Failed to get SMBIOS Handle\n", __FUNCTION__));
+ PhysMemArrHandle = 0;
+ } else {
+ PhysMemArrHandle = HandleMap->SmbiosTblHandle;
+ }
+
+ SmbiosRecord->MemoryArrayHandle = PhysMemArrHandle;
+}
+
+/**
+ * Update the Address encoding for Type 19.
+ *
+ * @param [in] StartAddress Starting memory address covered by the device.
+ * @param [in] EndAddress Ending memory address covered by the device.
+ * @param [out] SmbiosRecord SMBIOS record to update.
+**/
+STATIC
+VOID
+UpdateSmbiosType19Address (
+ IN UINT64 StartAddress,
+ IN UINT64 EndAddress,
+ OUT SMBIOS_TABLE_TYPE19 *SmbiosRecord
+ )
+{
+ UINT64 StartingAddressKb = StartAddress / SIZE_1KB;
+ UINT64 EndingAddressKb = EndAddress / SIZE_1KB;
+
+ if (StartingAddressKb >= EXTENDED_ADDRESS_THRESHOLD) {
+ SmbiosRecord->StartingAddress = EXTENDED_ADDRESS_THRESHOLD;
+ SmbiosRecord->EndingAddress = EXTENDED_ADDRESS_THRESHOLD;
+ SmbiosRecord->ExtendedStartingAddress = StartAddress;
+ SmbiosRecord->ExtendedEndingAddress = EndAddress;
+ } else {
+ SmbiosRecord->StartingAddress = StartingAddressKb;
+ SmbiosRecord->EndingAddress = EndingAddressKb;
+ }
+}
+
+/** Construct SMBIOS Type19 Table describing memory devices.
+
+ If this function allocates any resources then they must be freed
+ in the FreeXXXXTableResources function.
+
+ @param [in] This Pointer to the SMBIOS table generator.
+ @param [in] SmbiosTableInfo Pointer to the SMBIOS table information.
+ @param [in] CfgMgrProtocol Pointer to the Configuration Manager
+ Protocol interface.
+ @param [out] Table Pointer to the SMBIOS table.
+ @param [out] CmObjectToken Pointer to the CM Object Token Array.
+ @param [out] TableCount Number of tables installed.
+
+ @retval EFI_SUCCESS Table generated successfully.
+ @retval EFI_BAD_BUFFER_SIZE The size returned by the Configuration
+ Manager is less than the Object size for
+ the requested object.
+ @retval EFI_INVALID_PARAMETER A parameter is invalid.
+ @retval EFI_NOT_FOUND Could not find information.
+ @retval EFI_OUT_OF_RESOURCES Could not allocate memory.
+ @retval EFI_UNSUPPORTED Unsupported configuration.
+**/
+STATIC
+EFI_STATUS
+BuildSmbiosType19TableEx (
+ IN CONST SMBIOS_TABLE_GENERATOR *This,
+ IN CONST EDKII_DYNAMIC_TABLE_FACTORY_PROTOCOL *CONST TableFactoryProtocol,
+ IN CM_STD_OBJ_SMBIOS_TABLE_INFO *CONST SmbiosTableInfo,
+ IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL *CONST CfgMgrProtocol,
+ OUT SMBIOS_STRUCTURE ***Table,
+ OUT CM_OBJECT_TOKEN **CmObjectToken,
+ OUT UINTN *CONST TableCount
+ )
+{
+ EFI_STATUS Status;
+ UINT32 NumMemMap;
+ SMBIOS_STRUCTURE **TableList;
+ CM_OBJECT_TOKEN *CmObjectList;
+ CM_SMBIOS_MEMORY_ARRAY_MAPPED_ADDRESS *MemoryMapInfo;
+ SMBIOS_TABLE_TYPE19 *SmbiosRecord;
+ UINTN Index;
+
+ ASSERT (This != NULL);
+ ASSERT (SmbiosTableInfo != NULL);
+ ASSERT (CfgMgrProtocol != NULL);
+ ASSERT (Table != NULL);
+ ASSERT (TableCount != NULL);
+ ASSERT (SmbiosTableInfo->TableGeneratorId == This->GeneratorID);
+
+ if ((This == NULL) || (SmbiosTableInfo == NULL) || (CfgMgrProtocol == NULL) ||
+ (Table == NULL) || (TableCount == NULL) ||
+ (SmbiosTableInfo->TableGeneratorId != This->GeneratorID))
+ {
+ DEBUG ((DEBUG_ERROR, "%a:Invalid Paramater\n ", __FUNCTION__));
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *Table = NULL;
+ Status = GetESmbiosObjMemoryArrayMappedAddress (
+ CfgMgrProtocol,
+ CM_NULL_TOKEN,
+ &MemoryMapInfo,
+ &NumMemMap
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "Failed to get Memory Devices CM Object %r\n",
+ Status
+ ));
+ return Status;
+ }
+
+ TableList = (SMBIOS_STRUCTURE **)AllocateZeroPool (sizeof (SMBIOS_STRUCTURE *) * NumMemMap);
+ if (TableList == NULL) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "%a: Failed to alloc memory for %u devices table\n",
+ __FUNCTION__,
+ NumMemMap
+ ));
+ Status = EFI_OUT_OF_RESOURCES;
+ goto exitBuildSmbiosType19TableEx;
+ }
+
+ CmObjectList = (CM_OBJECT_TOKEN *)AllocateZeroPool (sizeof (CM_OBJECT_TOKEN *) * NumMemMap);
+ if (CmObjectList == NULL) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "%a: Failed to alloc memory for %u CMObjects\n",
+ __FUNCTION__,
+ NumMemMap
+ ));
+ Status = EFI_OUT_OF_RESOURCES;
+ goto exitBuildSmbiosType19TableEx;
+ }
+
+ for (Index = 0; Index < NumMemMap; Index++) {
+ /**
+ * Per Spec each structure is terminated by a double-NULL if there are no
+ * strings.
+ */
+ SmbiosRecord = (SMBIOS_TABLE_TYPE19 *)AllocateZeroPool (sizeof (SMBIOS_TABLE_TYPE19) + 1 + 1);
+ if (SmbiosRecord == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto exitBuildSmbiosType19TableEx;
+ }
+
+ UpdateSmbiosType19Address (
+ MemoryMapInfo[Index].StartingAddress,
+ MemoryMapInfo[Index].EndingAddress,
+ SmbiosRecord
+ );
+ SmbiosRecord->PartitionWidth = MemoryMapInfo[Index].NumMemDevices;
+ // Is there a reference to a Physical Array Device.
+ if (MemoryMapInfo[Index].PhysMemArrayToken != CM_NULL_TOKEN) {
+ AddPhysArrHandle (
+ TableFactoryProtocol,
+ MemoryMapInfo[Index].PhysMemArrayToken,
+ SmbiosRecord
+ );
+ }
+
+ // setup the header
+ SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_MEMORY_ARRAY_MAPPED_ADDRESS;
+ SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE19);
+ TableList[Index] = (SMBIOS_STRUCTURE *)SmbiosRecord;
+ CmObjectList[Index] = MemoryMapInfo[Index].MemoryArrayMappedAddressToken;
+ }
+
+ *Table = TableList;
+ *CmObjectToken = CmObjectList;
+ *TableCount = NumMemMap;
+
+exitBuildSmbiosType19TableEx:
+ return Status;
+}
+
+/** The interface for the SMBIOS Type17 Table Generator.
+*/
+STATIC
+CONST
+SMBIOS_TABLE_GENERATOR SmbiosType19Generator = {
+ // Generator ID
+ CREATE_STD_SMBIOS_TABLE_GEN_ID (EStdSmbiosTableIdType19),
+ // Generator Description
+ L"SMBIOS.TYPE19.GENERATOR",
+ // SMBIOS Table Type
+ EFI_SMBIOS_TYPE_MEMORY_DEVICE,
+ NULL,
+ NULL,
+ // Build table function Extended.
+ BuildSmbiosType19TableEx,
+ // Free function Extended.
+ FreeSmbiosType19TableEx
+};
+
+/** Register the Generator with the SMBIOS Table Factory.
+
+ @param [in] ImageHandle The handle to the image.
+ @param [in] SystemTable Pointer to the System Table.
+
+ @retval EFI_SUCCESS The Generator is registered.
+ @retval EFI_INVALID_PARAMETER A parameter is invalid.
+ @retval EFI_ALREADY_STARTED The Generator for the Table ID
+ is already registered.
+**/
+EFI_STATUS
+EFIAPI
+SmbiosType19LibConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ Status = RegisterSmbiosTableGenerator (&SmbiosType19Generator);
+ DEBUG ((
+ DEBUG_INFO,
+ "SMBIOS Type 19: Register Generator. Status = %r\n",
+ Status
+ ));
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
+
+/** Deregister the Generator from the SMBIOS Table Factory.
+
+ @param [in] ImageHandle The handle to the image.
+ @param [in] SystemTable Pointer to the System Table.
+
+ @retval EFI_SUCCESS The Generator is deregistered.
+ @retval EFI_INVALID_PARAMETER A parameter is invalid.
+ @retval EFI_NOT_FOUND The Generator is not registered.
+**/
+EFI_STATUS
+EFIAPI
+SmbiosType19LibDestructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ Status = DeregisterSmbiosTableGenerator (&SmbiosType19Generator);
+ DEBUG ((
+ DEBUG_INFO,
+ "SMBIOS Type19: Deregister Generator. Status = %r\n",
+ Status
+ ));
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+}
diff --git a/DynamicTablesPkg/Library/Smbios/SmbiosType19Lib/SmbiosType19Lib.inf b/DynamicTablesPkg/Library/Smbios/SmbiosType19Lib/SmbiosType19Lib.inf
new file mode 100644
index 0000000000..0043e71d1c
--- /dev/null
+++ b/DynamicTablesPkg/Library/Smbios/SmbiosType19Lib/SmbiosType19Lib.inf
@@ -0,0 +1,36 @@
+## @file
+# SMBIOS Type19 Table Generator
+#
+# Copyright (c) 2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# Copyright (c) 2019 - 2021, Arm Limited. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+
+[Defines]
+ INF_VERSION = 0x0001001B
+ BASE_NAME = SmbiosType19LibArm
+ FILE_GUID = 36da84ff-2c7d-4983-99a0-c9e1a8675fb4
+ VERSION_STRING = 1.0
+ MODULE_TYPE = DXE_DRIVER
+ LIBRARY_CLASS = NULL|DXE_DRIVER
+ CONSTRUCTOR = SmbiosType19LibConstructor
+ DESTRUCTOR = SmbiosType19LibDestructor
+
+[Sources]
+ SmbiosType19Generator.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
+ ArmPlatformPkg/ArmPlatformPkg.dec
+ DynamicTablesPkg/DynamicTablesPkg.dec
+
+[Protocols]
+ gEfiSmbiosProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+
+[LibraryClasses]
+ BaseLib
+ DebugLib
+ SmbiosStringTableLib
--
2.25.1
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prev parent reply other threads:[~2025-02-05 22:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-05 22:08 [edk2-devel] [staging/dynamictables-reorg PATCH v0 00/12] DynamicTablesPkg: Add SMBIOS table generation support Girish Mahadevan via groups.io
2025-02-05 22:08 ` [edk2-devel] [staging/dynamictables-reorg PATCH v0 01/12] DynamicTablesPkg: SmbiosStringLib: Add new helper macro Girish Mahadevan via groups.io
2025-02-05 22:09 ` [edk2-devel] [staging/dynamictables-reorg PATCH v0 02/12] DynamicTablesPkg: Define a SMBIOS Structure/Table type Girish Mahadevan via groups.io
2025-02-05 22:09 ` [edk2-devel] [staging/dynamictables-reorg PATCH v0 03/12] DynamicTablesPkg: Add SMBIOS table dispatcher Girish Mahadevan via groups.io
2025-02-05 22:09 ` [edk2-devel] [staging/dynamictables-reorg PATCH v0 04/12] DynamicTablesPkg: Add extern call to build SMBIOS table Girish Mahadevan via groups.io
2025-02-05 22:09 ` [edk2-devel] [staging/dynamictables-reorg PATCH v0 05/12] DynamicTablesPkg: Update SMBIOS dispatcher dependency table Girish Mahadevan via groups.io
2025-02-05 22:09 ` [edk2-devel] [staging/dynamictables-reorg PATCH v0 06/12] DynamicTablesPkg: Add Ordered dispatch support for SMBIOS tables Girish Mahadevan via groups.io
2025-02-05 22:09 ` [edk2-devel] [staging/dynamictables-reorg PATCH v0 07/12] DynamicTablesPkg: Add SMBIOS table generation Girish Mahadevan via groups.io
2025-02-05 22:09 ` [edk2-devel] [staging/dynamictables-reorg PATCH v0 08/12] DynamicTablesPkg: Split the ACPI and SMBIOS table generators Girish Mahadevan via groups.io
2025-02-05 22:09 ` [edk2-devel] [staging/dynamictables-reorg PATCH v0 09/12] DynamicTablesPkg: Introduce new namespace for SMBIOS Objects Girish Mahadevan via groups.io
2025-02-05 22:09 ` [edk2-devel] [staging/dynamictables-reorg PATCH v0 10/12] DynamicTablesPkg: Smbios Memory Device (Type 17) Girish Mahadevan via groups.io
2025-02-05 22:09 ` [edk2-devel] [staging/dynamictables-reorg PATCH v0 11/12] DynamicTablesPkg: Smbios Physical Memory Array (Type 16) Girish Mahadevan via groups.io
2025-02-05 22:09 ` Girish Mahadevan via groups.io [this message]
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