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| author | Gleb Natapov <gleb@redhat.com> | 2009-07-05 17:39:36 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 08:33:08 +0300 |
| commit | 0105d1a526404cfc9779552a6198bfd0e5fc937a (patch) | |
| tree | edf269da022574fe380b73473daef4b763b25672 /arch/x86/kvm/x86.c | |
| parent | fc61b800f9506ca47bf1439342a79847f2353562 (diff) | |
| download | linux-0105d1a526404cfc9779552a6198bfd0e5fc937a.tar.bz2 | |
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>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 086f93137e3c..a50c83232e76 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -867,6 +867,8 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data) 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 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) 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 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, 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 = |