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Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Library/CpuCacheInfoLib/InternalCpuCacheInfoLib.h')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Library/CpuCacheInfoLib/InternalCpuCacheInfoLib.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Library/CpuCacheInfoLib/InternalCpuCacheInfoLib.h b/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Library/CpuCacheInfoLib/InternalCpuCacheInfoLib.h new file mode 100644 index 00000000..df132e8d --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Library/CpuCacheInfoLib/InternalCpuCacheInfoLib.h @@ -0,0 +1,170 @@ +/** @file + Internal header file for CPU Cache info Library. + + Copyright (c) 2020 - 2021, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _INTERNAL_CPU_CACHE_INFO_LIB_H_ +#define _INTERNAL_CPU_CACHE_INFO_LIB_H_ + +#include <PiPei.h> +#include <Register/Cpuid.h> +#include <Ppi/MpServices2.h> +#include <Protocol/MpService.h> +#include <Library/BaseLib.h> +#include <Library/DebugLib.h> +#include <Library/BaseMemoryLib.h> +#include <Library/MemoryAllocationLib.h> +#include <Library/CpuCacheInfoLib.h> + +typedef struct { + // + // Package ID, the information comes from + // EFI_CPU_PHYSICAL_LOCATION.Package + // + UINT32 Package; + // + // APIC ID, the information comes from + // EFI_PROCESSOR_INFORMATION.ProcessorId + // + UINT32 ApicId; + // + // Core type of logical processor. + // Value = CPUID.1Ah:EAX[31:24] + // + UINT8 CoreType; +} CPUID_PROCESSOR_INFO; + +typedef struct { + // + // Level of the cache. + // Value = CPUID.04h:EAX[07:05] + // + UINT8 CacheLevel : 3; + // + // Type of the cache. + // Value = CPUID.04h:EAX[04:00] + // + UINT8 CacheType : 5; + // + // Ways of associativity. + // Value = CPUID.04h:EBX[31:22] + // + UINT16 CacheWays : 10; + // + // Fully associative cache. + // Value = CPUID.04h:EAX[09] + // + UINT16 FullyAssociativeCache : 1; + // + // Direct mapped cache. + // Value = CPUID.04h:EDX[02] + // + UINT16 DirectMappedCache : 1; + UINT16 Reserved : 4; + // + // Cache share bits. + // Value = CPUID.04h:EAX[25:14] + // + UINT16 CacheShareBits; + // + // Size of single cache. + // Value = (CPUID.04h:EBX[31:22] + 1) * (CPUID.04h:EBX[21:12] + 1) * + // (CPUID.04h:EBX[11:00] + 1) * (CPUID.04h:ECX[31:00] + 1) + // + UINT32 CacheSizeinKB; +} CPUID_CACHE_DATA; + +typedef union { + EDKII_PEI_MP_SERVICES2_PPI *Ppi; + EFI_MP_SERVICES_PROTOCOL *Protocol; +} MP_SERVICES; + +typedef struct { + MP_SERVICES MpServices; + CPUID_PROCESSOR_INFO *ProcessorInfo; + CPUID_CACHE_DATA *CacheData; +} COLLECT_CPUID_CACHE_DATA_CONTEXT; + + +/* + Defines the maximum count of Deterministic Cache Parameters Leaf of all APs and BSP. + To save boot time, skip starting up all APs to calculate each AP's count of Deterministic + Cache Parameters Leaf, so use a definition instead. + Anyway, definition value will be checked in CpuCacheInfoCollectCoreAndCacheData function. +*/ +#define MAX_NUM_OF_CACHE_PARAMS_LEAF 6 + +/* + Defines the maximum count of packages. +*/ +#define MAX_NUM_OF_PACKAGE 100 + +/** + Get EDKII_PEI_MP_SERVICES2_PPI or EFI_MP_SERVICES_PROTOCOL pointer. + + @param[out] MpServices A pointer to the buffer where EDKII_PEI_MP_SERVICES2_PPI or + EFI_MP_SERVICES_PROTOCOL is stored + + @retval EFI_SUCCESS EDKII_PEI_MP_SERVICES2_PPI or EFI_MP_SERVICES_PROTOCOL interface is returned + @retval EFI_NOT_FOUND EDKII_PEI_MP_SERVICES2_PPI or EFI_MP_SERVICES_PROTOCOL interface is not found +**/ +EFI_STATUS +CpuCacheInfoGetMpServices ( + OUT MP_SERVICES *MpServices + ); + +/** + Activate all of the logical processors. + + @param[in] MpServices MP_SERVICES structure. + @param[in] Procedure A pointer to the function to be run on enabled logical processors. + @param[in] ProcedureArgument The parameter passed into Procedure for all enabled logical processors. +**/ +VOID +CpuCacheInfoStartupAllCPUs ( + IN MP_SERVICES MpServices, + IN EFI_AP_PROCEDURE Procedure, + IN VOID *ProcedureArgument + ); + +/** + Get detailed information of the requested logical processor. + + @param[in] MpServices MP_SERVICES structure. + @param[in] ProcessorNum The requested logical processor number. + @param[out] ProcessorInfo A pointer to the buffer where the processor information is stored +**/ +VOID +CpuCacheInfoGetProcessorInfo ( + IN MP_SERVICES MpServices, + IN UINTN ProcessorNum, + OUT EFI_PROCESSOR_INFORMATION *ProcessorInfo + ); + +/** + Get the logical processor number. + + @param[in] MpServices MP_SERVICES structure. + + @retval Return the logical processor number. +**/ +UINT32 +CpuCacheInfoWhoAmI ( + IN MP_SERVICES MpServices + ); + +/** + Get the total number of logical processors in the platform. + + @param[in] MpServices MP_SERVICES structure. + + @retval Return the total number of logical processors. +**/ +UINT32 +CpuCacheInfoGetNumberOfProcessors ( + IN MP_SERVICES MpServices + ); +#endif |