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-rw-r--r--accel/kvm/kvm-all.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index f0f5ab8..e3cf728 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -87,6 +87,7 @@ struct KVMState
#ifdef KVM_CAP_SET_GUEST_DEBUG
QTAILQ_HEAD(, kvm_sw_breakpoint) kvm_sw_breakpoints;
#endif
+ int max_nested_state_len;
int many_ioeventfds;
int intx_set_mask;
bool sync_mmu;
@@ -1681,6 +1682,8 @@ static int kvm_init(MachineState *ms)
s->debugregs = kvm_check_extension(s, KVM_CAP_DEBUGREGS);
#endif
+ s->max_nested_state_len = kvm_check_extension(s, KVM_CAP_NESTED_STATE);
+
#ifdef KVM_CAP_IRQ_ROUTING
kvm_direct_msi_allowed = (kvm_check_extension(s, KVM_CAP_SIGNAL_MSI) > 0);
#endif
@@ -2248,6 +2251,11 @@ int kvm_has_debugregs(void)
return kvm_state->debugregs;
}
+int kvm_max_nested_state_length(void)
+{
+ return kvm_state->max_nested_state_len;
+}
+
int kvm_has_many_ioeventfds(void)
{
if (!kvm_enabled()) {