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qemu: Allow to plug virtio-net-pci into PCIe slot

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virtio-net-pci adapter is capable to use irqfd with vhost-net only in MSI-X
mode, which appears to be available only on PCIe bus, at least on ARM

Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
This commit is contained in:
Pavel Fedin 2015-07-17 14:27:47 +03:00 committed by Michal Privoznik
parent 8b78ec011c
commit ede34470fd
1 changed files with 8 additions and 0 deletions
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8
src/qemu/qemu_command.c
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@ -1662,6 +1662,14 @@ qemuCollectPCIAddress(virDomainDefPtr def ATTRIBUTE_UNUSED,
*/
flags = VIR_PCI_CONNECT_TYPE_PCI | VIR_PCI_CONNECT_TYPE_PCIE;
break;
case VIR_DOMAIN_DEVICE_NET:
if (STREQ(device->data.net->model, "virtio")) {
/* virtio-net-pci adapter in qemu has to be plugged into PCIe slot
* in order to be able to use irqfds with vhost-net
*/
flags = VIR_PCI_CONNECT_TYPE_PCI | VIR_PCI_CONNECT_TYPE_PCIE;
}
}
/* Ignore implicit controllers on slot 0:0:1.0: