Revision 26b9b5fe hw/virtio-pci.c
| b/hw/virtio-pci.c | ||
|---|---|---|
| 160 | 160 |
} |
| 161 | 161 |
|
| 162 | 162 |
static int virtio_pci_set_host_notifier_internal(VirtIOPCIProxy *proxy, |
| 163 |
int n, bool assign) |
|
| 163 |
int n, bool assign, bool set_handler)
|
|
| 164 | 164 |
{
|
| 165 | 165 |
VirtQueue *vq = virtio_get_queue(proxy->vdev, n); |
| 166 | 166 |
EventNotifier *notifier = virtio_queue_get_host_notifier(vq); |
| ... | ... | |
| 173 | 173 |
__func__, r); |
| 174 | 174 |
return r; |
| 175 | 175 |
} |
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virtio_queue_set_host_notifier_fd_handler(vq, true); |
|
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virtio_queue_set_host_notifier_fd_handler(vq, true, set_handler);
|
|
| 177 | 177 |
memory_region_add_eventfd(&proxy->bar, VIRTIO_PCI_QUEUE_NOTIFY, 2, |
| 178 | 178 |
true, n, notifier); |
| 179 | 179 |
} else {
|
| 180 | 180 |
memory_region_del_eventfd(&proxy->bar, VIRTIO_PCI_QUEUE_NOTIFY, 2, |
| 181 | 181 |
true, n, notifier); |
| 182 |
virtio_queue_set_host_notifier_fd_handler(vq, false); |
|
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virtio_queue_set_host_notifier_fd_handler(vq, false, false);
|
|
| 183 | 183 |
event_notifier_cleanup(notifier); |
| 184 | 184 |
} |
| 185 | 185 |
return r; |
| ... | ... | |
| 200 | 200 |
continue; |
| 201 | 201 |
} |
| 202 | 202 |
|
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r = virtio_pci_set_host_notifier_internal(proxy, n, true); |
|
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r = virtio_pci_set_host_notifier_internal(proxy, n, true, true);
|
|
| 204 | 204 |
if (r < 0) {
|
| 205 | 205 |
goto assign_error; |
| 206 | 206 |
} |
| ... | ... | |
| 214 | 214 |
continue; |
| 215 | 215 |
} |
| 216 | 216 |
|
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r = virtio_pci_set_host_notifier_internal(proxy, n, false); |
|
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r = virtio_pci_set_host_notifier_internal(proxy, n, false, false);
|
|
| 218 | 218 |
assert(r >= 0); |
| 219 | 219 |
} |
| 220 | 220 |
proxy->ioeventfd_started = false; |
| ... | ... | |
| 235 | 235 |
continue; |
| 236 | 236 |
} |
| 237 | 237 |
|
| 238 |
r = virtio_pci_set_host_notifier_internal(proxy, n, false); |
|
| 238 |
r = virtio_pci_set_host_notifier_internal(proxy, n, false, false);
|
|
| 239 | 239 |
assert(r >= 0); |
| 240 | 240 |
} |
| 241 | 241 |
proxy->ioeventfd_started = false; |
| ... | ... | |
| 683 | 683 |
* currently only stops on status change away from ok, |
| 684 | 684 |
* reset, vmstop and such. If we do add code to start here, |
| 685 | 685 |
* need to check vmstate, device state etc. */ |
| 686 |
return virtio_pci_set_host_notifier_internal(proxy, n, assign); |
|
| 686 |
return virtio_pci_set_host_notifier_internal(proxy, n, assign, false);
|
|
| 687 | 687 |
} |
| 688 | 688 |
|
| 689 | 689 |
static void virtio_pci_vmstate_change(void *opaque, bool running) |
Also available in: Unified diff