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hv: vlapic: add combined constraint for APICv

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Add two functions to combine constraint for APICv:
is_apicv_basic_feature_supported: check the physical platform whether support
"Use TPR shadow", "Virtualize APIC accesses" and "Virtualize x2APIC mode"
is_apicv_advanced_feature_supported: check the physical platform whether support
"APIC-register virtualization", "Virtual-interrupt delivery" and
"Process posted interrupts".

If the physical platform only support APICv basic feature, enable "Use TPR shadow"
and "Virtualize APIC accesses" for xAPIC mode; enable "Use TPR shadow" and
"Virtualize x2APIC mode" for x2APIC. Otherwise, if the physical platform support
APICv advanced feature, enable APICv feature for xAPIC mode and x2APIC mode.

Tracked-On: #1842
Signed-off-by: Li, Fei1 <fei1.li@intel.com>
This commit is contained in:
Li, Fei1
2019-03-08 23:51:29 +08:00
committed by Eddie Dong
parent 6f482b8856
commit f769f7457b
7 changed files with 31 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
hypervisor/include/arch/x86/cpu_caps.h
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@@ -37,9 +37,7 @@ struct cpuinfo_x86 {
};
bool has_monitor_cap(void);
bool is_apicv_reg_virtualization_supported(void);
bool is_apicv_intr_delivery_supported(void);
bool is_apicv_posted_intr_supported(void);
bool is_apicv_advanced_feature_supported(void);
bool cpu_has_cap(uint32_t bit);
bool cpu_has_vmx_ept_cap(uint32_t bit_mask);
bool cpu_has_vmx_vpid_cap(uint32_t bit_mask);