@@ -75,6 +75,7 @@ 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;
@@ -954,6 +955,10 @@ 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;
@@ -1291,6 +1296,11 @@ 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()) {
@@ -78,6 +78,11 @@ int kvm_allows_irq0_override(void)
return 1;
}
+int kvm_has_pit_state2(void)
+{
+ return 0;
+}
+
void kvm_setup_guest_memory(void *start, size_t size)
{
}
@@ -54,6 +54,7 @@ int kvm_has_robust_singlestep(void);
int kvm_has_debugregs(void);
int kvm_has_xsave(void);
int kvm_has_xcrs(void);
+int kvm_has_pit_state2(void);
int kvm_has_many_ioeventfds(void);
int kvm_has_gsi_routing(void);
To be used for in-kernel PIT emulation. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> --- kvm-all.c | 10 ++++++++++ kvm-stub.c | 5 +++++ kvm.h | 1 + 3 files changed, 16 insertions(+), 0 deletions(-)