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kvm: Add kvm_has_pit_state2 helper

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To be used for in-kernel PIT emulation.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Jan Kiszka
2012-03-02 20:28:48 +01:00
committed by Avi Kivity
parent 3fbc1c0c13
commit 8a7c73932e
3 changed files with 16 additions and 0 deletions
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10
kvm-all.c
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@@ -76,6 +76,7 @@ struct KVMState
struct kvm_sw_breakpoint_head kvm_sw_breakpoints;
#endif
int pit_in_kernel;
int pit_state2;
int xsave, xcrs;
int many_ioeventfds;
int irqchip_inject_ioctl;
@@ -1058,6 +1059,10 @@ int kvm_init(void)
s->xcrs = kvm_check_extension(s, KVM_CAP_XCRS);
#endif
#ifdef KVM_CAP_PIT_STATE2
s->pit_state2 = kvm_check_extension(s, KVM_CAP_PIT_STATE2);
#endif
ret = kvm_arch_init(s);
if (ret < 0) {
goto err;
@@ -1390,6 +1395,11 @@ int kvm_has_xcrs(void)
return kvm_state->xcrs;
}
int kvm_has_pit_state2(void)
{
return kvm_state->pit_state2;
}
int kvm_has_many_ioeventfds(void)
{
if (!kvm_enabled()) {