- Update to 3.3-rc3.

[linux-flexiantxendom0-3.2.10.git] / arch / x86 / kvm / x86.c

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 1067651..a391fd6 100644 (file)
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1495,6 +1495,8 @@ static void record_steal_time(struct kvm_vcpu *vcpu)
 
 int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
 {
+       bool pr = false;
+
        switch (msr) {
        case MSR_EFER:
                return set_efer(vcpu, data);
@@ -1636,6 +1638,18 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
                pr_unimpl(vcpu, "unimplemented perfctr wrmsr: "
                        "0x%x data 0x%llx\n", msr, data);
                break;
+       case MSR_P6_PERFCTR0:
+       case MSR_P6_PERFCTR1:
+               pr = true;
+       case MSR_P6_EVNTSEL0:
+       case MSR_P6_EVNTSEL1:
+               if (kvm_pmu_msr(vcpu, msr))
+                       return kvm_pmu_set_msr(vcpu, msr, data);
+
+               if (pr || data != 0)
+                       pr_unimpl(vcpu, "disabled perfctr wrmsr: "
+                               "0x%x data 0x%llx\n", msr, data);
+               break;
        case MSR_K7_CLK_CTL:
                /*
                 * Ignore all writes to this no longer documented MSR.
@@ -1837,6 +1851,14 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
        case MSR_NHM_SNB_PKG_CST_CFG_CTL: /* 0xe2 */
                data = 0;
                break;
+       case MSR_P6_PERFCTR0:
+       case MSR_P6_PERFCTR1:
+       case MSR_P6_EVNTSEL0:
+       case MSR_P6_EVNTSEL1:
+               if (kvm_pmu_msr(vcpu, msr))
+                       return kvm_pmu_get_msr(vcpu, msr, pdata);
+               data = 0;
+               break;
        case MSR_IA32_UCODE_REV:
                data = 0x100000000ULL;
                break;
@@ -4182,6 +4204,28 @@ static int emulator_intercept(struct x86_emulate_ctxt *ctxt,
        return kvm_x86_ops->check_intercept(emul_to_vcpu(ctxt), info, stage);
 }
 
+static bool emulator_get_cpuid(struct x86_emulate_ctxt *ctxt,
+                              u32 *eax, u32 *ebx, u32 *ecx, u32 *edx)
+{
+       struct kvm_cpuid_entry2 *cpuid = NULL;
+
+       if (eax && ecx)
+               cpuid = kvm_find_cpuid_entry(emul_to_vcpu(ctxt),
+                                           *eax, *ecx);
+
+       if (cpuid) {
+               *eax = cpuid->eax;
+               *ecx = cpuid->ecx;
+               if (ebx)
+                       *ebx = cpuid->ebx;
+               if (edx)
+                       *edx = cpuid->edx;
+               return true;
+       }
+
+       return false;
+}
+
 static struct x86_emulate_ops emulate_ops = {
        .read_std            = kvm_read_guest_virt_system,
        .write_std           = kvm_write_guest_virt_system,
@@ -4213,6 +4257,7 @@ static struct x86_emulate_ops emulate_ops = {
        .get_fpu             = emulator_get_fpu,
        .put_fpu             = emulator_put_fpu,
        .intercept           = emulator_intercept,
+       .get_cpuid           = emulator_get_cpuid,
 };
 
 static void cache_all_regs(struct kvm_vcpu *vcpu)