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pc: add SMM property

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The property can take values on, off or auto.  The default is "off"
for KVM and pre-2.4 machines, otherwise "auto" (which makes it
available on TCG or on new-enough kernels).

Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-06-18 18:30:52 +02:00
parent fba72476c6
commit 355023f201
7 changed files with 76 additions and 2 deletions
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5
target-i386/kvm.c
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@ -86,6 +86,11 @@ static bool has_msr_xss;
static bool has_msr_architectural_pmu;
static uint32_t num_architectural_pmu_counters;
bool kvm_has_smm(void)
{
return kvm_check_extension(kvm_state, KVM_CAP_X86_SMM);
}
bool kvm_allows_irq0_override(void)
{
return !kvm_irqchip_in_kernel() || kvm_has_gsi_routing();