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| author | Alexander Graf <agraf@suse.de> | 2011-04-15 17:32:49 +0200 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2011-04-18 21:00:27 +0200 |
| commit | 8103b4d161d7c00ea3ff89ffe66bb2bc2c67de5d (patch) | |
| tree | 3a318f664aab4b3a707ddd061f5b02e80bb007cc /hw/s390-virtio-bus.c | |
| parent | 3110e2925489c571901e945e315942ce84fe696f (diff) | |
| download | qemu-8103b4d161d7c00ea3ff89ffe66bb2bc2c67de5d.zip qemu-8103b4d161d7c00ea3ff89ffe66bb2bc2c67de5d.tar.gz qemu-8103b4d161d7c00ea3ff89ffe66bb2bc2c67de5d.tar.bz2 | |
s390x: Dispatch interrupts to KVM or the real CPU
The KVM interrupt injection path is non-generic for now. So we need to push
knowledge of how to inject a device interrupt using KVM into the actual device
code.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'hw/s390-virtio-bus.c')
| -rw-r--r-- | hw/s390-virtio-bus.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/hw/s390-virtio-bus.c b/hw/s390-virtio-bus.c index 175e5cb..bb49e39 100644 --- a/hw/s390-virtio-bus.c +++ b/hw/s390-virtio-bus.c @@ -43,6 +43,8 @@ do { } while (0) #endif +#define VIRTIO_EXT_CODE 0x2603 + struct BusInfo s390_virtio_bus_info = { .name = "s390-virtio", .size = sizeof(VirtIOS390Bus), @@ -305,9 +307,13 @@ static void virtio_s390_notify(void *opaque, uint16_t vector) { VirtIOS390Device *dev = (VirtIOS390Device*)opaque; uint64_t token = s390_virtio_device_vq_token(dev, vector); + CPUState *env = s390_cpu_addr2state(0); - /* XXX kvm dependency! */ - kvm_s390_virtio_irq(s390_cpu_addr2state(0), 0, token); + if (kvm_enabled()) { + kvm_s390_virtio_irq(env, 0, token); + } else { + cpu_inject_ext(env, VIRTIO_EXT_CODE, 0, token); + } } static unsigned virtio_s390_get_features(void *opaque) |