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HV: CAT: capability enumaration

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Enumarate capability of Cache Allocation Technology(CAT) on X86 platform,
when HV init the primary cpu. If CAT is supported, store its info
to global struct cat_hw_info.

Tracked-On: #2462
Signed-off-by: Tao Yuhong <yuhong.tao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
yuhong.tao@intel.com
2019-01-28 19:48:22 +08:00
committed by Eddie Dong
parent cf524e684d
commit 43ee5590a4
6 changed files with 94 additions and 0 deletions
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1
hypervisor/include/arch/x86/cpufeatures.h
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@@ -73,6 +73,7 @@
#define X86_FEATURE_SMEP ((FEAT_7_0_EBX << 5U) + 7U)
#define X86_FEATURE_ERMS ((FEAT_7_0_EBX << 5U) + 9U)
#define X86_FEATURE_INVPCID ((FEAT_7_0_EBX << 5U) + 10U)
#define X86_FEATURE_CAT ((FEAT_7_0_EBX << 5U) + 15U)
#define X86_FEATURE_SMAP ((FEAT_7_0_EBX << 5U) + 20U)
/* Intel-defined CPU features, CPUID level 0x00000007 (EDX)*/