Just a reminder to provide feedback on this patch. Thanks, Swati swatisrik@nvidia.com ________________________________ From: Name Sent: Tuesday, August 16, 2022 2:18 PM To: devel@edk2.groups.io ; Sami.Mujawar@arm.com ; Alexei.Fedorov@arm.com ; michael.d.kinney@intel.com ; gaoliming@byosoft.com.cn ; zhiguang.liu@intel.com Cc: Swatisri Kantamsetti Subject: [PATCH 1/2] Mde Pkg: Support for MPAM ACPI Table From: Swatisri Kantamsetti Added MPAM table header, MSC and Resource Node info structures Signed-off-by: Swatisri Kantamsetti --- MdePkg/Include/IndustryStandard/Acpi64.h | 5 ++ MdePkg/Include/IndustryStandard/Mpam.h | 69 ++++++++++++++++++++++++ 2 files changed, 74 insertions(+) create mode 100644 MdePkg/Include/IndustryStandard/Mpam.h diff --git a/MdePkg/Include/IndustryStandard/Acpi64.h b/MdePkg/Include/IndustryStandard/Acpi64.h index fe5ebfac2b..e54f631186 100644 --- a/MdePkg/Include/IndustryStandard/Acpi64.h +++ b/MdePkg/Include/IndustryStandard/Acpi64.h @@ -2952,6 +2952,11 @@ typedef struct { /// #define EFI_ACPI_6_4_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_STRUCTURE_SIGNATURE SIGNATURE_32('P', 'P', 'T', 'T') +/// +/// "MPAM" Memory System Resource Partitioning And Monitoring Table +/// +#define EFI_ACPI_6_4_MEMORY_SYSTEM_RESOURCE_PARTITIONING_MONITORING_TABLE_STRUCTURE_SIGNATURE SIGNATURE_32('M', 'P', 'A', 'M') + /// /// "PSDT" Persistent System Description Table /// diff --git a/MdePkg/Include/IndustryStandard/Mpam.h b/MdePkg/Include/IndustryStandard/Mpam.h new file mode 100644 index 0000000000..e0f75f0114 --- /dev/null +++ b/MdePkg/Include/IndustryStandard/Mpam.h @@ -0,0 +1,69 @@ +/** @file + ACPI Memory System Resource Partitioning And Monitoring (MPAM) + as specified in ARM spec DEN0065 + + Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved. + Copyright (c) 2022, ARM Limited. All rights reserved. + SPDX-License-Identifier: BSD-2-Clause-Patent +**/ + +#ifndef _MPAM_H_ +#define _MPAM_H_ + +#pragma pack(1) + +/// +/// Memory System Resource Partitioning and Monitoring Table (MPAM) +/// +typedef struct { + EFI_ACPI_DESCRIPTION_HEADER Header; + UINT32 NumNodes; + UINT32 NodeOffset; + UINT32 Reserved; +} EFI_ACPI_6_4_MEMORY_SYSTEM_RESOURCE_PARTITIONING_MONITORING_TABLE_HEADER; + +/// +/// MPAM Revision (as defined in ACPI 6.4 spec.) +/// +#define EFI_ACPI_6_4_MEMORY_SYSTEM_RESOURCE_PARTITIONING_MONITORING_TABLE_REVISION 0x01 + +/// +/// Memory System Controller Node Structure +/// + +typedef struct { + UINT16 Length; + UINT16 Reserved; + UINT32 Identifier; + UINT64 BaseAddress; + UINT32 MmioSize; + UINT32 OverflowInterrupt; + UINT32 OverflowInterruptFlags; + UINT32 Reserved1; + UINT32 OverflowInterruptAff; + UINT32 ErrorInterrupt; + UINT32 ErrorInterruptFlags; + UINT32 Reserved2; + UINT32 ErrorInterruptAff; + UINT32 MaxNRdyUsec; + UINT64 LinkedDeviceHwId; + UINT32 LinkedDeviceInstanceHwId; + UINT32 NumResourceNodes; +} EFI_ACPI_6_4_MPAM_MSC_NODE; + +/// +/// Resource Node Structure +/// + +typedef struct { + UINT32 Identifier; + UINT8 RisIndex; + UINT16 Reserved1; + UINT8 LocatorType; + UINT64 Locator; + UINT32 NumFuncDep; +} EFI_ACPI_6_4_MPAM_RESOURCE_NODE; + +#pragma pack() + +#endif -- 2.17.1