Introduce the CM_ARM_CPC_INFO CmObj in the ArmNameSpaceObjects.
This allows to describe CPC information, as described in ACPI 6.4,
s8.4.7.1 "_CPC (Continuous Performance Control)".
Signed-off-by: Jeff Brasen <jbra...@nvidia.com>
---
.../Include/ArmNameSpaceObjects.h | 60 ++++++---
DynamicTablesPkg/Include/Library/AmlCpcInfo.h | 124 ++++++++++++++++++
.../ConfigurationManagerObjectParser.c | 80 +++++++++++
3 files changed, 247 insertions(+), 17 deletions(-)
create mode 100644 DynamicTablesPkg/Include/Library/AmlCpcInfo.h
diff --git a/DynamicTablesPkg/Include/ArmNameSpaceObjects.h
b/DynamicTablesPkg/Include/ArmNameSpaceObjects.h
index 102e0f96be..ea5bf81070 100644
--- a/DynamicTablesPkg/Include/ArmNameSpaceObjects.h
+++ b/DynamicTablesPkg/Include/ArmNameSpaceObjects.h
@@ -14,6 +14,7 @@
#define ARM_NAMESPACE_OBJECTS_H_
#include <StandardNameSpaceObjects.h>
+#include <Library/AmlCpcInfo.h>
#pragma pack(1)
@@ -63,6 +64,7 @@ typedef enum ArmObjectID {
EArmObjPciInterruptMapInfo, ///< 39 - Pci Interrupt Map Info
EArmObjRmr, ///< 40 - Reserved Memory Range Node
EArmObjMemoryRangeDescriptor, ///< 41 - Memory Range Descriptor
+ EArmObjCpcInfo, ///< 42 - Continuous Performance
Control Info
EArmObjMax
} EARM_OBJECT_ID;
@@ -97,99 +99,105 @@ typedef struct CmArmPowerManagementProfileInfo {
*/
typedef struct CmArmGicCInfo {
/// The GIC CPU Interface number.
- UINT32 CPUInterfaceNumber;
+ UINT32 CPUInterfaceNumber;
/** The ACPI Processor UID. This must match the
_UID of the CPU Device object information described
in the DSDT/SSDT for the CPU.
*/
- UINT32 AcpiProcessorUid;
+ UINT32 AcpiProcessorUid;
/** The flags field as described by the GICC structure
in the ACPI Specification.
*/
- UINT32 Flags;
+ UINT32 Flags;
/** The parking protocol version field as described by
the GICC structure in the ACPI Specification.
*/
- UINT32 ParkingProtocolVersion;
+ UINT32 ParkingProtocolVersion;
/** The Performance Interrupt field as described by
the GICC structure in the ACPI Specification.
*/
- UINT32 PerformanceInterruptGsiv;
+ UINT32 PerformanceInterruptGsiv;
/** The CPU Parked address field as described by
the GICC structure in the ACPI Specification.
*/
- UINT64 ParkedAddress;
+ UINT64 ParkedAddress;
/** The base address for the GIC CPU Interface
as described by the GICC structure in the
ACPI Specification.
*/
- UINT64 PhysicalBaseAddress;
+ UINT64 PhysicalBaseAddress;
/** The base address for GICV interface
as described by the GICC structure in the
ACPI Specification.
*/
- UINT64 GICV;
+ UINT64 GICV;
/** The base address for GICH interface
as described by the GICC structure in the
ACPI Specification.
*/
- UINT64 GICH;
+ UINT64 GICH;
/** The GICV maintenance interrupt
as described by the GICC structure in the
ACPI Specification.
*/
- UINT32 VGICMaintenanceInterrupt;
+ UINT32 VGICMaintenanceInterrupt;
/** The base address for GICR interface
as described by the GICC structure in the
ACPI Specification.
*/
- UINT64 GICRBaseAddress;
+ UINT64 GICRBaseAddress;
/** The MPIDR for the CPU
as described by the GICC structure in the
ACPI Specification.
*/
- UINT64 MPIDR;
+ UINT64 MPIDR;
/** The Processor Power Efficiency class
as described by the GICC structure in the
ACPI Specification.
*/
- UINT8 ProcessorPowerEfficiencyClass;
+ UINT8 ProcessorPowerEfficiencyClass;
/** Statistical Profiling Extension buffer overflow GSIV. Zero if
unsupported by this processor. This field was introduced in
ACPI 6.3 (MADT revision 5) and is therefore ignored when
generating MADT revision 4 or lower.
*/
- UINT16 SpeOverflowInterrupt;
+ UINT16 SpeOverflowInterrupt;
/** The proximity domain to which the logical processor belongs.
This field is used to populate the GICC affinity structure
in the SRAT table.
*/
- UINT32 ProximityDomain;
+ UINT32 ProximityDomain;
/** The clock domain to which the logical processor belongs.
This field is used to populate the GICC affinity structure
in the SRAT table.
*/
- UINT32 ClockDomain;
+ UINT32 ClockDomain;
/** The GICC Affinity flags field as described by the GICC Affinity structure
in the SRAT table.
*/
- UINT32 AffinityFlags;
+ UINT32 AffinityFlags;
+
+ /** Optional field: Reference Token for the Cpc info of this processor.
+ Token identifying a CM_ARM_OBJ_REF structure, itself referencing
+ CM_ARM_CPC_INFO objects.
+ */
+ CM_OBJECT_TOKEN CpcToken;