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libxl: fix hot add/remove VF from a pool 

For those VF allocated from a network pool, we need to set its backend
to be VIR_DOMAIN_HOSTDEV_PCI_BACKEND_XEN so that later work can be
correct.

Signed-off-by: Chunyan Liu <cyliu@suse.com>
This commit is contained in:
Chunyan Liu 2016-03-21 16:11:40 +08:00 committed by Jim Fehlig
parent 289f37ea81
commit 373b9e9f00
1 changed files with 12 additions and 2 deletions
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14
src/libxl/libxl_driver.c
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@ -3145,13 +3145,23 @@ libxlDomainAttachNetDevice(libxlDriverPrivatePtr driver,
}
if (actualType == VIR_DOMAIN_NET_TYPE_HOSTDEV) {
virDomainHostdevDefPtr hostdev = virDomainNetGetActualHostdev(net);
virDomainHostdevSubsysPCIPtr pcisrc = &hostdev->source.subsys.u.pci;
/* For those just allocated from a network pool whose backend is
* still VIR_DOMAIN_HOSTDEV_PCI_BACKEND_DEFAULT, we need to set
* backend correctly.
*/
if (hostdev->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI)
pcisrc->backend = VIR_DOMAIN_HOSTDEV_PCI_BACKEND_XEN;
/* This is really a "smart hostdev", so it should be attached
* as a hostdev (the hostdev code will reach over into the
* netdev-specific code as appropriate), then also added to
* the nets list (see out:) if successful.
*/
ret = libxlDomainAttachHostDevice(driver, vm,
virDomainNetGetActualHostdev(net));
ret = libxlDomainAttachHostDevice(driver, vm, hostdev);
goto cleanup;
}