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hv: vlapic: add apic register offset check API

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Add apic rgister offset check before do vlapic read/write.

Tracked-On: #1842
Signed-off-by: Li, Fei1 <fei1.li@intel.com>
This commit is contained in:
Li, Fei1
2019-04-18 22:40:44 +08:00
committed by wenlingz
parent 70dd254456
commit 28d50f1b96
3 changed files with 65 additions and 31 deletions
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25
hypervisor/include/arch/x86/msr.h
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@@ -567,31 +567,6 @@ static inline bool is_x2apic_msr(uint32_t msr)
return ((msr >= 0x800U) && (msr < 0x900U));
}
static inline bool is_x2apic_read_only_msr(uint32_t msr)
{
bool ret = false;
if ((msr == MSR_IA32_EXT_XAPICID) ||
(msr == MSR_IA32_EXT_APIC_VERSION) ||
(msr == MSR_IA32_EXT_APIC_PPR) ||
(msr == MSR_IA32_EXT_APIC_LDR) ||
((msr >= MSR_IA32_EXT_APIC_ISR0) &&
(msr <= MSR_IA32_EXT_APIC_IRR7)) ||
(msr == MSR_IA32_EXT_APIC_CUR_COUNT)) {
ret = true;
}
return ret;
}
static inline bool is_x2apic_write_only_msr(uint32_t msr)
{
bool ret = false;
if ((msr == MSR_IA32_EXT_APIC_EOI) || (msr == MSR_IA32_EXT_APIC_SELF_IPI)) {
ret = true;
}
return ret;
}
struct acrn_vcpu;
void init_msr_emulation(struct acrn_vcpu *vcpu);