MdePkg/IndustryStandard: add definitions for ACPI MPAM table

add definitions, macros and types for elements associated with MPAM ACPI 1.0 specification. Signed-off-by: Rohit Mathew <[email protected]> Change-Id: Idc2764fcbf666af105731c43c00027562c37fee0 (cherry picked from commit 1bc8e89eb566ff8094670a8f5f740cbcf172040f)
microsoft · May 9, 2023 · 822d50e · 822d50e
1 parent f5165ab
commit 822d50e
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diff --git a/MdePkg/Include/IndustryStandard/Acpi64.h b/MdePkg/Include/IndustryStandard/Acpi64.h
@@ -2,7 +2,7 @@
   ACPI 6.4 definitions from the ACPI Specification Revision 6.4 Jan, 2021.
 
   Copyright (c) 2017 - 2022, Intel Corporation. All rights reserved.<BR>
-  Copyright (c) 2019 - 2021, ARM Ltd. All rights reserved.<BR>
+  Copyright (c) 2019 - 2022, ARM Ltd. All rights reserved.<BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
@@ -3156,6 +3156,10 @@ typedef struct {
 /// "XENV" Xen Project Table
 ///
 #define EFI_ACPI_6_4_XEN_PROJECT_TABLE_SIGNATURE  SIGNATURE_32('X', 'E', 'N', 'V')
+///
+/// "MPAM" Memory System Resource Partitioning and Monitoring Table
+///
+#define EFI_ACPI_6_4_MEMORY_SYSTEM_RESOURCE_PARTITIONING_AND_MONITORING_TABLE_SIGNATURE  SIGNATURE_32('M', 'P', 'A', 'M')
 
 #pragma pack()
 

diff --git a/MdePkg/Include/IndustryStandard/Mpam.h b/MdePkg/Include/IndustryStandard/Mpam.h
@@ -0,0 +1,119 @@
+/** @file
+  ACPI for Memory System Resource Partitioning and Monitoring (MPAM) as
+  specified in ARM spec DEN0065A
+
+  Copyright (c) 2022, Arm Limited. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef __MPAM_H__
+#define __MPAM_H__
+
+#include <IndustryStandard/Acpi.h>
+
+///
+/// PPTT Revision (as defined in ACPI 6.4 spec.)
+///
+#define EFI_ACPI_6_4_MEMORY_SYSTEM_RESOURCE_PARTITIONING_AND_MONITORING_TABLE_REVISION  (0x01)
+
+///
+/// MPAM Interrupt trigger types
+///
+#define MPAM_INTERRUPT_LEVEL_TRIGGERED  (0x0)
+#define MPAM_INTERRUPT_EDGE_TRIGGERED   (0x1)
+
+///
+/// MPAM Interrupt wired/non-wired
+///
+#define MPAM_WIRED_INTERRUPT  (0x0)
+
+///
+/// MPAM MSC affinity
+///
+#define MPAM_PROCESSOR_AFFINITY            (0x0)
+#define MPAM_PROCESSOR_CONTAINER_AFFINITY  (0x1)
+
+///
+/// MPAM MSC affinity validity
+///
+#define MPAM_AFFINITY_NOT_VALID  (0x0)
+#define MPAM_AFFINITY_VALID      (0x1)
+
+///
+/// Location types
+///
+#define MPAM_PROCESSOR_CACHE  (0x0)
+#define MPAM_MEMORY           (0x1)
+#define MPAM_SMMU             (0x2)
+#define MPAM_MEMORY_CACHE     (0x3)
+#define MPAM_ACPI_DEVICE      (0x4)
+#define MPAM_UNKNOWN          (0xff)
+
+#pragma pack(1)
+
+///
+/// MPAM Interrupt Flags
+///
+typedef struct {
+  UINT32    InterruptMode : 1;
+  UINT32    InterruptType : 2;
+  UINT32    AffinityType  : 1;
+  UINT32    AffinityValid : 1;
+  UINT32    Reserved      : 27;
+} MPAM_MSC_INTERRUPT_FLAGS;
+
+///
+/// MPAM MSC node type
+///
+typedef struct {
+  UINT16                      Length;
+  UINT16                      Reserved;
+  UINT32                      Identifier;
+  UINT64                      BaseAddress;
+  UINT32                      MmioSize;
+  UINT32                      OverflowInterrupt;
+  MPAM_MSC_INTERRUPT_FLAGS    OverflowInterruptFlags;
+  UINT32                      Reserved1;
+  UINT32                      OverflowInterruptAffinity;
+  UINT32                      ErrorInterrupt;
+  MPAM_MSC_INTERRUPT_FLAGS    ErrorInterruptFlags;
+  UINT32                      Reserved2;
+  UINT32                      ErrorInterruptAffinity;
+  UINT32                      MaxNrdyUsec;
+  UINT64                      PmLinkHID;
+  UINT32                      PmLinkUID;
+  UINT32                      NumMpamResources;
+} MPAM_MSC_NODE;
+
+///
+/// MPAM MSC Locator field
+///
+typedef struct {
+  UINT64    Descriptor1;
+  UINT32    Descriptor2;
+} MPAM_LOCATOR;
+
+///
+/// MPAM MSC Node resource type
+///
+typedef struct {
+  UINT32          Identifier;
+  UINT8           RisIndex;
+  UINT16          Reserved1;
+  UINT8           LocatorType;
+  MPAM_LOCATOR    Locator;
+  UINT32          NumDependencies;
+} MPAM_MSC_RESOURCE;
+
+///
+/// MPAM Function dependency descriptor
+///
+typedef struct {
+  UINT32    Producer;
+  UINT32    Reserved;
+} MPAM_FUNCTIONAL_DEPENDENCY_DESCRIPTOR;
+
+#pragma pack()
+
+#endif