projects / mirror_edk2.git / blame
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1 | /** @file\r |
| 2 | \r | |
| 3 | Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.<BR>\r | |
| 4 | \r | |
| 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 6 | **/\r | |
| 7 | \r | |
| 8 | #ifndef AML_CPC_INFO_H_\r | |
| 9 | #define AML_CPC_INFO_H_\r | |
| 10 | \r | |
| 11 | #include <IndustryStandard/Acpi.h>\r | |
| 12 | \r | |
| 13 | #pragma pack(1)\r | |
| 14 | \r | |
| 15 | /** A structure that describes the Cpc information.\r | |
| 16 | \r | |
| 17 | Continuous Performance Control is described in DSDT/SSDT and associated\r | |
| 18 | to cpus/clusters in the cpu topology.\r | |
| 19 | \r | |
| 20 | Unsupported Optional registers should be encoded with NULL resource\r | |
| 21 | Register {(SystemMemory, 0, 0, 0, 0)}\r | |
| 22 | \r | |
| 23 | For values that support Integer or Buffer, integer will be used\r | |
| 24 | if buffer is NULL resource.\r | |
| 25 | If resource is not NULL then Integer must be 0\r | |
| 26 | \r | |
| 27 | Cf. ACPI 6.4, s8.4.7.1 _CPC (Continuous Performance Control)\r | |
| 28 | \r | |
| 29 | **/\r | |
| 30 | \r | |
| 31 | typedef struct AmlCpcInfo {\r | |
| 32 | /// The revision number of the _CPC package format.\r | |
| 33 | UINT32 Revision;\r | |
| 34 | \r | |
| 35 | /// Indicates the highest level of performance the processor\r | |
| 36 | /// is theoretically capable of achieving.\r | |
| 37 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE HighestPerformanceBuffer;\r | |
| 38 | UINT32 HighestPerformanceInteger;\r | |
| 39 | \r | |
| 40 | /// Indicates the highest sustained performance level of the processor.\r | |
| 41 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE NominalPerformanceBuffer;\r | |
| 42 | UINT32 NominalPerformanceInteger;\r | |
| 43 | \r | |
| 44 | /// Indicates the lowest performance level of the processor with non-linear power savings.\r | |
| 45 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE LowestNonlinearPerformanceBuffer;\r | |
| 46 | UINT32 LowestNonlinearPerformanceInteger;\r | |
| 47 | \r | |
| 48 | /// Indicates the lowest performance level of the processor..\r | |
| 49 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE LowestPerformanceBuffer;\r | |
| 50 | UINT32 LowestPerformanceInteger;\r | |
| 51 | \r | |
| 52 | /// Guaranteed Performance Register Buffer.\r | |
| 53 | /// Optional\r | |
| 54 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE GuaranteedPerformanceRegister;\r | |
| 55 | \r | |
| 56 | /// Desired Performance Register Buffer.\r | |
| 57 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE DesiredPerformanceRegister;\r | |
| 58 | \r | |
| 59 | /// Minimum Performance Register Buffer.\r | |
| 60 | /// Optional\r | |
| 61 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE MinimumPerformanceRegister;\r | |
| 62 | \r | |
| 63 | /// Maximum Performance Register Buffer.\r | |
| 64 | /// Optional\r | |
| 65 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE MaximumPerformanceRegister;\r | |
| 66 | \r | |
| 67 | /// Performance Reduction Tolerance Register.\r | |
| 68 | /// Optional\r | |
| 69 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE PerformanceReductionToleranceRegister;\r | |
| 70 | \r | |
| 71 | /// Time Window Register.\r | |
| 72 | /// Optional\r | |
| 73 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE TimeWindowRegister;\r | |
| 74 | \r | |
| 75 | /// Counter Wraparound Time\r | |
| 76 | /// Optional\r | |
| 77 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE CounterWraparoundTimeBuffer;\r | |
| 78 | UINT32 CounterWraparoundTimeInteger;\r | |
| 79 | \r | |
| 80 | /// Reference Performance Counter Register\r | |
| 81 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE ReferencePerformanceCounterRegister;\r | |
| 82 | \r | |
| 83 | /// Delivered Performance Counter Register\r | |
| 84 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE DeliveredPerformanceCounterRegister;\r | |
| 85 | \r | |
| 86 | /// Performance Limited Register\r | |
| 87 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE PerformanceLimitedRegister;\r | |
| 88 | \r | |
| 89 | /// CPPC EnableRegister\r | |
| 90 | /// Optional\r | |
| 91 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE CPPCEnableRegister;\r | |
| 92 | \r | |
| 93 | /// Autonomous Selection Enable\r | |
| 94 | /// Optional\r | |
| 95 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE AutonomousSelectionEnableBuffer;\r | |
| 96 | UINT32 AutonomousSelectionEnableInteger;\r | |
| 97 | \r | |
| 98 | /// AutonomousActivity-WindowRegister\r | |
| 99 | /// Optional\r | |
| 100 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE AutonomousActivityWindowRegister;\r | |
| 101 | \r | |
| 102 | /// EnergyPerformance-PreferenceRegister\r | |
| 103 | /// Optional\r | |
| 104 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE EnergyPerformancePreferenceRegister;\r | |
| 105 | \r | |
| 106 | /// Reference Performance\r | |
| 107 | /// Optional\r | |
| 108 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE ReferencePerformanceBuffer;\r | |
| 109 | UINT32 ReferencePerformanceInteger;\r | |
| 110 | \r | |
| 111 | /// Lowest Frequency\r | |
| 112 | /// Optional\r | |
| 113 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE LowestFrequencyBuffer;\r | |
| 114 | UINT32 LowestFrequencyInteger;\r | |
| 115 | \r | |
| 116 | /// Nominal Frequency\r | |
| 117 | /// Optional\r | |
| 118 | EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE NominalFrequencyBuffer;\r | |
| 119 | UINT32 NominalFrequencyInteger;\r | |
| 120 | } AML_CPC_INFO;\r | |
| 121 | \r | |
| 122 | #pragma pack()\r | |
| 123 | \r | |
| 124 | #endif //AML_CPC_INFO_H_\r |