CpuCacheInfoLib.h File Reference

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Data Structures
struct	CPU_CACHE_INFO

Functions
EFI_STATUS EFIAPI	GetCpuCacheInfo (IN OUT CPU_CACHE_INFO *CpuCacheInfo, IN OUT UINTN *CpuCacheInfoCount)

Detailed Description

Header file for CPU Cache info Library.

Copyright (c) 2020 - 2021, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file CpuCacheInfoLib.h.

Function Documentation

GetCpuCacheInfo()

EFI_STATUS EFIAPI GetCpuCacheInfo	(	IN OUT CPU_CACHE_INFO *	CpuCacheInfo,
		IN OUT UINTN *	CpuCacheInfoCount
	)

Get CpuCacheInfo data array. The array is sorted by CPU package ID, core type, cache level and cache type.

Parameters

[in,out]	CpuCacheInfo	Pointer to the CpuCacheInfo array.
[in,out]	CpuCacheInfoCount	As input, point to the length of response CpuCacheInfo array. As output, point to the actual length of response CpuCacheInfo array.

Return values

EFI_SUCCESS	Function completed successfully.
EFI_INVALID_PARAMETER	CpuCacheInfoCount is NULL.
EFI_INVALID_PARAMETER	CpuCacheInfo is NULL while CpuCacheInfoCount contains the value greater than zero.
EFI_UNSUPPORTED	Processor does not support CPUID_CACHE_PARAMS Leaf.
EFI_OUT_OF_RESOURCES	Required resources could not be allocated.
EFI_BUFFER_TOO_SMALL	CpuCacheInfoCount is too small to hold the response CpuCacheInfo array. CpuCacheInfoCount has been updated with the length needed to complete the request.

Definition at line 420 of file CpuCacheInfoLib.c.