diff options
Diffstat (limited to 'qemu-kvm-x86.c')
| -rw-r--r-- | qemu-kvm-x86.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/qemu-kvm-x86.c b/qemu-kvm-x86.c index aa123defb..fb70edeb5 100644 --- a/qemu-kvm-x86.c +++ b/qemu-kvm-x86.c @@ -767,6 +767,37 @@ int kvm_qemu_destroy_memory_alias(uint64_t phys_start) return kvm_destroy_memory_alias(kvm_context, phys_start); } +#ifdef KVM_CAP_ADJUST_CLOCK +static struct kvm_clock_data kvmclock_data; + +static void kvmclock_pre_save(void *opaque) +{ + struct kvm_clock_data *cl = opaque; + + kvm_vm_ioctl(kvm_state, KVM_GET_CLOCK, cl); +} + +static int kvmclock_post_load(void *opaque, int version_id) +{ + struct kvm_clock_data *cl = opaque; + + return kvm_vm_ioctl(kvm_state, KVM_SET_CLOCK, cl); +} + +static const VMStateDescription vmstate_kvmclock= { + .name = "kvmclock", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 1, + .pre_save = kvmclock_pre_save, + .post_load = kvmclock_post_load, + .fields = (VMStateField []) { + VMSTATE_U64(clock, struct kvm_clock_data), + VMSTATE_END_OF_LIST() + } +}; +#endif + int kvm_arch_qemu_create_context(void) { int i; @@ -788,6 +819,10 @@ int kvm_arch_qemu_create_context(void) kvm_has_vm_hsave_pa = 1; } +#ifdef KVM_CAP_ADJUST_CLOCK + if (kvm_check_extension(kvm_state, KVM_CAP_ADJUST_CLOCK)) + vmstate_register(0, &vmstate_kvmclock, &kvmclock_data); +#endif return 0; } |