MdePkg/Include/IndustryStandard/ArmPerformanceMonitoringUnitTable.h

   1 /** @file
   2   ACPI Arm Performance Monitoring Unit (APMT) table
   3   as specified in ARM spec DEN0117
   4
   5   Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
   6   Copyright (c) 2022, ARM Limited. All rights reserved.
   7   SPDX-License-Identifier: BSD-2-Clause-Patent
   8 **/
   9
  10 #ifndef ARM_PERFORMANCE_MONITORING_UNIT_TABLE_H_
  11 #define ARM_PERFORMANCE_MONITORING_UNIT_TABLE_H_
  12
  13 #include <IndustryStandard/Acpi.h>
  14
  15 #pragma pack(1)
  16
  17 ///
  18 /// Arm Performance Monitoring Unit (APMT) tabl
  19 ///
  20 typedef struct {
  21   EFI_ACPI_DESCRIPTION_HEADER    Header;
  22 } EFI_ACPI_ARM_PERFORMANCE_MONITORING_UNIT_TABLE_HEADER;
  23
  24 ///
  25 /// APMT Revision (as defined in DEN0117.)
  26 ///
  27 #define EFI_ACPI_ARM_PERFORMANCE_MONITORING_UNIT_TABLE_REVISION  0x00
  28
  29 ///
  30 /// Arm PMU Node Structure
  31 ///
  32
  33 // Node Flags
  34 #define EFI_ACPI_APMT_DUAL_PAGE_EXTENSION_SUPPORTED          BIT0
  35 #define EFI_ACPI_APMT_PROCESSOR_AFFINITY_TYPE_CONTAINER      BIT1
  36 #define EFI_ACPI_APMT_PROCESSOR_AFFINITY_TYPE_PROCESSOR      0 // BIT 1
  37 #define EFI_ACPI_APMT_64BIT_SINGLE_COPY_ATOMICITY_SUPPORTED  BIT2
  38
  39 // Interrupt Flags
  40 #define EFI_ACPI_APMT_INTERRUPT_MODE_EDGE_TRIGGERED   BIT0
  41 #define EFI_ACPI_APMT_INTERRUPT_MODE_LEVEL_TRIGGERED  0 // BIT 0
  42 #define EFI_ACPI_APMT_INTERRUPT_TYPE_WIRED            0 // BIT 1
  43
  44 // Node Type
  45 #define EFI_ACPI_APMT_NODE_TYPE_MEMORY_CONTROLLER  0x00
  46 #define EFI_ACPI_APMT_NODE_TYPE_SMMU               0x01
  47 #define EFI_ACPI_APMT_NODE_TYPE_PCIE_ROOT_COMPLEX  0x02
  48 #define EFI_ACPI_APMT_NODE_TYPE_ACPI_DEVICE        0x03
  49 #define EFI_ACPI_APMT_NODE_TYPE_CPU_CACHE          0x04
  50
  51 typedef struct {
  52   UINT16    Length;
  53   UINT8     NodeFlags;
  54   UINT8     NodeType;
  55   UINT32    Identifier;
  56   UINT64    NodeInstancePrimary;
  57   UINT32    NodeInstanceSecondary;
  58   UINT64    BaseAddress0;
  59   UINT64    BaseAddress1;
  60   UINT32    OverflowInterrupt;
  61   UINT32    Reserved1;
  62   UINT32    OverflowInterruptFlags;
  63   UINT32    ProcessorAffinity;
  64   UINT32    ImplementationId;
  65 } EFI_ACPI_ARM_PERFORMANCE_MONITORING_UNIT_NODE;
  66
  67 #pragma pack()
  68
  69 #endif