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kvm/clock: QOM'ify some more 

Introduce type constant and avoid FROM_SYSBUS().

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
[AF: Renamed parent field]
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Hu Tao 2013-07-01 18:18:38 +08:00 committed by Andreas Färber
parent 02f9a6f5da
commit 98bdc0d7ff
1 changed files with 9 additions and 3 deletions
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12
hw/i386/kvm/clock.c
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@ -22,8 +22,14 @@
#include <linux/kvm.h>
#include <linux/kvm_para.h>
#define TYPE_KVM_CLOCK "kvmclock"
#define KVM_CLOCK(obj) OBJECT_CHECK(KVMClockState, (obj), TYPE_KVM_CLOCK)
typedef struct KVMClockState {
/*< private >*/
SysBusDevice busdev;
/*< public >*/
uint64_t clock;
bool clock_valid;
} KVMClockState;
@ -87,7 +93,7 @@ static void kvmclock_vm_state_change(void *opaque, int running,
static int kvmclock_init(SysBusDevice *dev)
{
KVMClockState *s = FROM_SYSBUS(KVMClockState, dev);
KVMClockState *s = KVM_CLOCK(dev);
qemu_add_vm_change_state_handler(kvmclock_vm_state_change, s);
return 0;
@ -115,7 +121,7 @@ static void kvmclock_class_init(ObjectClass *klass, void *data)
}
static const TypeInfo kvmclock_info = {
.name = "kvmclock",
.name = TYPE_KVM_CLOCK,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(KVMClockState),
.class_init = kvmclock_class_init,
@ -129,7 +135,7 @@ void kvmclock_create(void)
if (kvm_enabled() &&
cpu->env.features[FEAT_KVM] & ((1ULL << KVM_FEATURE_CLOCKSOURCE) |
(1ULL << KVM_FEATURE_CLOCKSOURCE2))) {
sysbus_create_simple("kvmclock", -1, NULL);
sysbus_create_simple(TYPE_KVM_CLOCK, -1, NULL);
}
}