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qemu_hostdev: move netconfig file location to virhostdev stateDir

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This commit is contained in:
Chunyan Liu 2014-03-05 19:15:59 +08:00 committed by Daniel P. Berrange
parent e3c9e3a35b
commit 2c71d38269
1 changed files with 20 additions and 9 deletions
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29
src/qemu/qemu_hostdev.c
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@ -467,10 +467,17 @@ cleanup:
return ret;
}
/* @oldStateDir:
* For upgrade purpose:
* To an existing VM on QEMU, the hostdev netconfig file is originally stored
* in cfg->stateDir (/var/run/libvirt/qemu). Switch to new version, it uses new
* location (hostdev_mgr->stateDir) but certainly will not find it. In this
* case, try to find in the old state dir.
*/
static int
qemuDomainHostdevNetConfigRestore(virDomainHostdevDefPtr hostdev,
char *stateDir)
char *stateDir,
char *oldStateDir)
{
char *linkdev = NULL;
virNetDevVPortProfilePtr virtPort;
@ -501,12 +508,15 @@ qemuDomainHostdevNetConfigRestore(virDomainHostdevDefPtr hostdev,
virtPort = virDomainNetGetActualVirtPortProfile(
hostdev->parent.data.net);
if (virtPort)
if (virtPort) {
ret = qemuDomainHostdevNetConfigVirtPortProfile(linkdev, vf, virtPort,
&hostdev->parent.data.net->mac, NULL,
port_profile_associate);
else
} else {
ret = virNetDevRestoreNetConfig(linkdev, vf, stateDir);
if (ret < 0 && oldStateDir != NULL)
ret = virNetDevRestoreNetConfig(linkdev, vf, oldStateDir);
}
VIR_FREE(linkdev);
@ -660,7 +670,6 @@ qemuPrepareHostdevPCIDevices(virQEMUDriverPtr driver,
int last_processed_hostdev_vf = -1;
size_t i;
int ret = -1;
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
virHostdevManagerPtr hostdev_mgr = driver->hostdevMgr;
if (!qemuPrepareHostdevPCICheckSupport(hostdevs, nhostdevs, qemuCaps))
@ -746,7 +755,7 @@ qemuPrepareHostdevPCIDevices(virQEMUDriverPtr driver,
if (hostdev->parent.type == VIR_DOMAIN_DEVICE_NET &&
hostdev->parent.data.net) {
if (qemuDomainHostdevNetConfigReplace(hostdev, uuid,
cfg->stateDir) < 0) {
hostdev_mgr->stateDir) < 0) {
goto resetvfnetconfig;
}
}
@ -830,7 +839,8 @@ inactivedevs:
resetvfnetconfig:
for (i = 0;
last_processed_hostdev_vf != -1 && i < last_processed_hostdev_vf; i++)
qemuDomainHostdevNetConfigRestore(hostdevs[i], cfg->stateDir);
qemuDomainHostdevNetConfigRestore(hostdevs[i], hostdev_mgr->stateDir,
NULL);
reattachdevs:
for (i = 0; i < virPCIDeviceListCount(pcidevs); i++) {
@ -848,7 +858,6 @@ cleanup:
virObjectUnlock(hostdev_mgr->inactivePciHostdevs);
virObjectUnref(pcidevs);
out:
virObjectUnref(cfg);
return ret;
}
@ -1268,6 +1277,7 @@ qemuDomainReAttachHostdevDevices(virQEMUDriverPtr driver,
virPCIDeviceListPtr pcidevs;
size_t i;
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
char *oldStateDir = cfg->stateDir;
virHostdevManagerPtr hostdev_mgr = driver->hostdevMgr;
virObjectLock(hostdev_mgr->activePciHostdevs);
@ -1319,7 +1329,8 @@ qemuDomainReAttachHostdevDevices(virQEMUDriverPtr driver,
* reset and reattach device
*/
for (i = 0; i < nhostdevs; i++)
qemuDomainHostdevNetConfigRestore(hostdevs[i], cfg->stateDir);
qemuDomainHostdevNetConfigRestore(hostdevs[i], hostdev_mgr->stateDir,
oldStateDir);
for (i = 0; i < virPCIDeviceListCount(pcidevs); i++) {
virPCIDevicePtr dev = virPCIDeviceListGet(pcidevs, i);