KVM: x2apic interface to lapic
This patch implements MSR interface to local apic as defines by x2apic
Intel specification.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 086f9313..a50c832 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -867,6 +867,8 @@
case MSR_IA32_APICBASE:
kvm_set_apic_base(vcpu, data);
break;
+ case APIC_BASE_MSR ... APIC_BASE_MSR + 0x3ff:
+ return kvm_x2apic_msr_write(vcpu, msr, data);
case MSR_IA32_MISC_ENABLE:
vcpu->arch.ia32_misc_enable_msr = data;
break;
@@ -1065,6 +1067,9 @@
case MSR_IA32_APICBASE:
data = kvm_get_apic_base(vcpu);
break;
+ case APIC_BASE_MSR ... APIC_BASE_MSR + 0x3ff:
+ return kvm_x2apic_msr_read(vcpu, msr, pdata);
+ break;
case MSR_IA32_MISC_ENABLE:
data = vcpu->arch.ia32_misc_enable_msr;
break;
@@ -1469,7 +1474,7 @@
0 /* TM2 */ | F(SSSE3) | 0 /* CNXT-ID */ | 0 /* Reserved */ |
0 /* Reserved */ | F(CX16) | 0 /* xTPR Update, PDCM */ |
0 /* Reserved, DCA */ | F(XMM4_1) |
- F(XMM4_2) | 0 /* x2APIC */ | F(MOVBE) | F(POPCNT) |
+ F(XMM4_2) | F(X2APIC) | F(MOVBE) | F(POPCNT) |
0 /* Reserved, XSAVE, OSXSAVE */;
/* cpuid 0x80000001.ecx */
const u32 kvm_supported_word6_x86_features =