diff options
Diffstat (limited to 'hw/s390-virtio-bus.c')
| -rw-r--r-- | hw/s390-virtio-bus.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/hw/s390-virtio-bus.c b/hw/s390-virtio-bus.c index b78d6264fe..7e991755b4 100644 --- a/hw/s390-virtio-bus.c +++ b/hw/s390-virtio-bus.c @@ -138,7 +138,7 @@ static int s390_virtio_device_init(VirtIOS390Device *dev, VirtIODevice *vdev) bus->dev_offs += dev_len; - virtio_bind_device(vdev, &virtio_s390_bindings, dev); + virtio_bind_device(vdev, &virtio_s390_bindings, DEVICE(dev)); dev->host_features = vdev->get_features(vdev, dev->host_features); s390_virtio_device_sync(dev); s390_virtio_reset_idx(dev); @@ -364,18 +364,32 @@ VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem) return NULL; } -static void virtio_s390_notify(void *opaque, uint16_t vector) +/* DeviceState to VirtIOS390Device. Note: used on datapath, + * be careful and test performance if you change this. + */ +static inline VirtIOS390Device *to_virtio_s390_device_fast(DeviceState *d) +{ + return container_of(d, VirtIOS390Device, qdev); +} + +/* DeviceState to VirtIOS390Device. TODO: use QOM. */ +static inline VirtIOS390Device *to_virtio_s390_device(DeviceState *d) +{ + return container_of(d, VirtIOS390Device, qdev); +} + +static void virtio_s390_notify(DeviceState *d, uint16_t vector) { - VirtIOS390Device *dev = (VirtIOS390Device*)opaque; + VirtIOS390Device *dev = to_virtio_s390_device_fast(d); uint64_t token = s390_virtio_device_vq_token(dev, vector); S390CPU *cpu = s390_cpu_addr2state(0); s390_virtio_irq(cpu, 0, token); } -static unsigned virtio_s390_get_features(void *opaque) +static unsigned virtio_s390_get_features(DeviceState *d) { - VirtIOS390Device *dev = (VirtIOS390Device*)opaque; + VirtIOS390Device *dev = to_virtio_s390_device(d); return dev->host_features; } |