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 11/12] DynamicTablesPkg: Smbios Physical Memory Array (Type 16)
Date: Wed, 5 Feb 2025 15:09:09 -0700 [thread overview]
Message-ID: <7db0fc68bb33cbf2abbfee031411a6203dd5ca1e.1738793024.git.gmahadevan@nvidia.com> (raw)
In-Reply-To: <cover.1738793024.git.gmahadevan@nvidia.com>
Add the Generator library for SMBIOS Table Type 16 - Physical
Memory Array.
Signed-off-by: Girish Mahadevan <gmahadevan@nvidia.com>
Reviewed-by: Jeff Brasen <jbrasen@nvidia.com>
Reviewed-by: Nick Ramirez <nramirez@nvidia.com>
---
.../SmbiosTableBuilder.c | 3 -
.../Include/SmbiosNameSpaceObjects.h | 19 +
.../SmbiosType16Lib/SmbiosType16Generator.c | 361 ++++++++++++++++++
.../SmbiosType16Lib/SmbiosType16Lib.inf | 35 ++
4 files changed, 415 insertions(+), 3 deletions(-)
create mode 100644 DynamicTablesPkg/Library/Smbios/SmbiosType16Lib/SmbiosType16Generator.c
create mode 100644 DynamicTablesPkg/Library/Smbios/SmbiosType16Lib/SmbiosType16Lib.inf
diff --git a/DynamicTablesPkg/Drivers/DynamicTableManagerDxe/SmbiosTableBuilder.c b/DynamicTablesPkg/Drivers/DynamicTableManagerDxe/SmbiosTableBuilder.c
index bf6e657bcf..f33213f061 100644
--- a/DynamicTablesPkg/Drivers/DynamicTableManagerDxe/SmbiosTableBuilder.c
+++ b/DynamicTablesPkg/Drivers/DynamicTableManagerDxe/SmbiosTableBuilder.c
@@ -311,7 +311,6 @@ exit_handler:
}
}
- DEBUG ((DEBUG_ERROR, "%a: Returning %r\n", __FUNCTION__, Status));
return Status;
}
@@ -431,7 +430,6 @@ BuildAndInstallSmbiosTable (
));
}
- DEBUG ((DEBUG_ERROR, "%a: Returning %r\n", __FUNCTION__, Status));
return Status;
}
@@ -515,7 +513,6 @@ ProcessSmbiosTables (
));
}
- DEBUG ((DEBUG_ERROR, "%a: Returning %r\n", __FUNCTION__, Status));
return Status;
}
diff --git a/DynamicTablesPkg/Include/SmbiosNameSpaceObjects.h b/DynamicTablesPkg/Include/SmbiosNameSpaceObjects.h
index e9bde2a712..7e883e1b89 100644
--- a/DynamicTablesPkg/Include/SmbiosNameSpaceObjects.h
+++ b/DynamicTablesPkg/Include/SmbiosNameSpaceObjects.h
@@ -132,6 +132,25 @@ typedef struct {
SMBIOS_TABLE_GENERATOR_ID GeneratorId;
} CONTAINED_CM_OBJECTS;
+/** A structure that describes the Physical Memory Array.
+
+ SMBIOS Specification v3.6.0 Type 16
+
+ ID: ESmbiosObjPhysicalMemoryArray
+**/
+typedef struct CmSmbiosPhysicalMemoryArray {
+ UINT8 Use;
+ UINT8 Location;
+ UINT16 MemoryErrorCorrection;
+ UINT16 MemoryErrorInformationHandle;
+ UINT16 NumberOfMemoryDevices;
+ UINT8 MemoryErrorCorrectionType;
+ UINT64 Size;
+ UINT8 NumMemDevices;
+ CM_OBJECT_TOKEN MemoryErrInfoToken;
+ CM_OBJECT_TOKEN PhysMemArrayToken;
+} CM_SMBIOS_PHYSICAL_MEMORY_ARRAY;
+
#pragma pack()
#endif // SMBIOS_NAMESPACE_OBJECTS_H_
diff --git a/DynamicTablesPkg/Library/Smbios/SmbiosType16Lib/SmbiosType16Generator.c b/DynamicTablesPkg/Library/Smbios/SmbiosType16Lib/SmbiosType16Generator.c
new file mode 100644
index 0000000000..37592ee560
--- /dev/null
+++ b/DynamicTablesPkg/Library/Smbios/SmbiosType16Lib/SmbiosType16Generator.c
@@ -0,0 +1,361 @@
+/** @file
+ SMBIOS Type16 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,
+ ESmbiosObjPhysicalMemoryArray,
+ CM_SMBIOS_PHYSICAL_MEMORY_ARRAY
+ )
+
+#define EXTENDED_SIZE_THRESHOLD (SIZE_2TB)
+
+/**
+ * Free any resources allocated when installing SMBIOS Type16 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
+FreeSmbiosType16TableEx (
+ 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;
+}
+
+/**
+ * Update the Size encoding for Type 16.
+ *
+ * @param [in] SizeBytes Size of the Memory device.
+ * @param [out] SmbiosRecord SMBIOS record to update.
+**/
+STATIC
+VOID
+UpdateSmbiosType16Size (
+ IN UINT64 SizeBytes,
+ IN OUT SMBIOS_TABLE_TYPE16 *SmbiosRecord
+ )
+{
+ UINT64 SizeKb = SizeBytes / SIZE_1KB;
+
+ if (SizeBytes < EXTENDED_SIZE_THRESHOLD) {
+ SmbiosRecord->MaximumCapacity = SizeKb;
+ } else {
+ SmbiosRecord->MaximumCapacity = 0x80000000;
+ SmbiosRecord->ExtendedMaximumCapacity = SizeKb;
+ }
+}
+
+/**
+ * Add the SMBIOS table handle reference to the Error Tables.
+ *
+ * @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
+AddMemErrDeviceHandle (
+ IN CONST EDKII_DYNAMIC_TABLE_FACTORY_PROTOCOL *CONST TableFactoryProtocol,
+ IN CM_OBJECT_TOKEN CmObjToken,
+ OUT SMBIOS_TABLE_TYPE16 *SmbiosRecord
+ )
+{
+ EFI_SMBIOS_HANDLE Handle;
+ SMBIOS_HANDLE_MAP *HandleMap;
+
+ HandleMap = TableFactoryProtocol->GetSmbiosHandle (CmObjToken);
+ if (HandleMap == NULL) {
+ DEBUG ((DEBUG_ERROR, "%a:Failed to get SMBIOS Handle\n", __FUNCTION__));
+ Handle = 0xFFFF;
+ } else {
+ Handle = HandleMap->SmbiosTblHandle;
+ }
+
+ SmbiosRecord->MemoryErrorInformationHandle = Handle;
+}
+
+/** Construct SMBIOS Type16 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] 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 [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
+BuildSmbiosType16TableEx (
+ 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;
+ SMBIOS_STRUCTURE **TableList;
+ SMBIOS_TABLE_TYPE16 *SmbiosRecord;
+ CM_OBJECT_TOKEN *CmObjectList;
+ CM_SMBIOS_PHYSICAL_MEMORY_ARRAY *PhysMemoryArray;
+ UINT32 NumObj;
+ 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 = GetESmbiosObjPhysicalMemoryArray (
+ CfgMgrProtocol,
+ CM_NULL_TOKEN,
+ &PhysMemoryArray,
+ &NumObj
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "%a: Failed to get Memory Devices CM Object %r\n",
+ __FUNCTION__,
+ Status
+ ));
+ return Status;
+ }
+
+ TableList = (SMBIOS_STRUCTURE **)AllocateZeroPool (sizeof (SMBIOS_STRUCTURE *) * NumObj);
+ if (TableList == NULL) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "%a: Failed to alloc memory for %u devices table\n",
+ __FUNCTION__,
+ NumObj
+ ));
+ Status = EFI_OUT_OF_RESOURCES;
+ goto exitBuildSmbiosType16Table;
+ }
+
+ CmObjectList = (CM_OBJECT_TOKEN *)AllocateZeroPool (sizeof (CM_OBJECT_TOKEN *) * NumObj);
+ if (CmObjectList == NULL) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "%a: Failed to alloc memory for %u CM Objects.\n",
+ __FUNCTION__,
+ NumObj
+ ));
+ Status = EFI_OUT_OF_RESOURCES;
+ goto exitBuildSmbiosType16Table;
+ }
+
+ for (Index = 0; Index < NumObj; Index++) {
+ /**
+ * Per Spec each structure is terminated by a double-NULL if there are no
+ * strings.
+ */
+ SmbiosRecord = (SMBIOS_TABLE_TYPE16 *)AllocateZeroPool (sizeof (SMBIOS_TABLE_TYPE16) + 1 + 1);
+ if (SmbiosRecord == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto exitBuildSmbiosType16Table;
+ }
+
+ UpdateSmbiosType16Size (PhysMemoryArray->Size, SmbiosRecord);
+ SmbiosRecord->Location = PhysMemoryArray[Index].Location;
+ SmbiosRecord->Use = PhysMemoryArray[Index].Use;
+ SmbiosRecord->MemoryErrorCorrection = PhysMemoryArray[Index].MemoryErrorCorrectionType;
+ SmbiosRecord->NumberOfMemoryDevices = PhysMemoryArray->NumMemDevices;
+ if (PhysMemoryArray[Index].MemoryErrInfoToken != CM_NULL_TOKEN) {
+ AddMemErrDeviceHandle (
+ TableFactoryProtocol,
+ PhysMemoryArray[Index].MemoryErrInfoToken,
+ SmbiosRecord
+ );
+ } else {
+ SmbiosRecord->MemoryErrorInformationHandle = 0xFFFF;
+ }
+
+ // Setup the header
+ SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_PHYSICAL_MEMORY_ARRAY;
+ SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE16);
+
+ TableList[Index] = (SMBIOS_STRUCTURE *)SmbiosRecord;
+ CmObjectList[Index] = PhysMemoryArray[Index].PhysMemArrayToken;
+ }
+
+ *Table = TableList;
+ *CmObjectToken = CmObjectList;
+ *TableCount = NumObj;
+exitBuildSmbiosType16Table:
+ return Status;
+}
+
+/** The interface for the SMBIOS Type16 Table Generator.
+*/
+STATIC
+CONST
+SMBIOS_TABLE_GENERATOR SmbiosType16Generator = {
+ // Generator ID
+ CREATE_STD_SMBIOS_TABLE_GEN_ID (EStdSmbiosTableIdType16),
+ // Generator Description
+ L"SMBIOS.TYPE16.GENERATOR",
+ // SMBIOS Table Type
+ EFI_SMBIOS_TYPE_PHYSICAL_MEMORY_ARRAY,
+ NULL,
+ NULL,
+ // Build table function.
+ BuildSmbiosType16TableEx,
+ // Free function.
+ FreeSmbiosType16TableEx,
+};
+
+/** 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
+SmbiosType16LibConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ Status = RegisterSmbiosTableGenerator (&SmbiosType16Generator);
+ DEBUG ((
+ DEBUG_INFO,
+ "SMBIOS Type 16: 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
+SmbiosType16LibDestructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ Status = DeregisterSmbiosTableGenerator (&SmbiosType16Generator);
+ DEBUG ((
+ DEBUG_INFO,
+ "SMBIOS Type16: Deregister Generator. Status = %r\n",
+ Status
+ ));
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+}
diff --git a/DynamicTablesPkg/Library/Smbios/SmbiosType16Lib/SmbiosType16Lib.inf b/DynamicTablesPkg/Library/Smbios/SmbiosType16Lib/SmbiosType16Lib.inf
new file mode 100644
index 0000000000..4d85c88d7f
--- /dev/null
+++ b/DynamicTablesPkg/Library/Smbios/SmbiosType16Lib/SmbiosType16Lib.inf
@@ -0,0 +1,35 @@
+## @file
+# SMBIOS Type16 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 = SmbiosType16LibArm
+ FILE_GUID = a256956a-de0b-4aa7-8eac-5ce13bbfbb1f
+ VERSION_STRING = 1.0
+ MODULE_TYPE = DXE_DRIVER
+ LIBRARY_CLASS = NULL|DXE_DRIVER
+ CONSTRUCTOR = SmbiosType16LibConstructor
+ DESTRUCTOR = SmbiosType16LibDestructor
+
+[Sources]
+ SmbiosType16Generator.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
--
2.25.1
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next 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 ` Girish Mahadevan via groups.io [this message]
2025-02-05 22:09 ` [edk2-devel] [staging/dynamictables-reorg PATCH v0 12/12] DynamicTablesPkg: Smbios Memory Array Mapped Address (Type 19) Girish Mahadevan via groups.io
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