void qemuDomainReAttachHostdevDevices(struct qemud_driver *driver,
const char *name,
virDomainHostdevDefPtr *hostdevs,
int nhostdevs)
{
pciDeviceList *pcidevs;
int i;
if (!(pcidevs = qemuGetActivePciHostDeviceList(driver,
hostdevs,
nhostdevs))) {
virErrorPtr err = virGetLastError();
VIR_ERROR(_("Failed to allocate pciDeviceList: %s"),
err ? err->message : _("unknown error"));
virResetError(err);
return;
}
/* Again 3 loops; mark all devices as inactive before reset
* them and reset all the devices before re-attach */
for (i = 0; i < pciDeviceListCount(pcidevs); i++) {
pciDevice *dev = pciDeviceListGet(pcidevs, i);
pciDevice *activeDev = NULL;
/* Never delete the dev from list driver->activePciHostdevs
* if it's used by other domain.
*/
activeDev = pciDeviceListFind(driver->activePciHostdevs, dev);
if (activeDev &&
STRNEQ_NULLABLE(name, pciDeviceGetUsedBy(activeDev))) {
pciDeviceListSteal(pcidevs, dev);
continue;
}
/* pciDeviceListFree() will take care of freeing the dev. */
pciDeviceListSteal(driver->activePciHostdevs, dev);
}
for (i = 0; i < pciDeviceListCount(pcidevs); i++) {
pciDevice *dev = pciDeviceListGet(pcidevs, i);
if (pciResetDevice(dev, driver->activePciHostdevs,
driver->inactivePciHostdevs) < 0) {
virErrorPtr err = virGetLastError();
VIR_ERROR(_("Failed to reset PCI device: %s"),
err ? err->message : _("unknown error"));
virResetError(err);
}
}
for (i = 0; i < pciDeviceListCount(pcidevs); i++) {
pciDevice *dev = pciDeviceListGet(pcidevs, i);
qemuReattachPciDevice(dev, driver);
}
pciDeviceListFree(pcidevs);
}
void qemuDomainReAttachHostdevDevices(struct qemud_driver *driver,
const char *name,
virDomainHostdevDefPtr *hostdevs,
int nhostdevs)
{
pciDeviceList *pcidevs;
int i;
if (!(pcidevs = qemuGetActivePciHostDeviceList(driver,
hostdevs,
nhostdevs))) {
virErrorPtr err = virGetLastError();
VIR_ERROR(_("Failed to allocate pciDeviceList: %s"),
err ? err->message : _("unknown error"));
virResetError(err);
return;
}
/* Again 4 loops; mark all devices as inactive before reset
* them and reset all the devices before re-attach.
* Attach mac and port profile parameters to devices
*/
for (i = 0; i < pciDeviceListCount(pcidevs); i++) {
pciDevice *dev = pciDeviceListGet(pcidevs, i);
pciDevice *activeDev = NULL;
/* Never delete the dev from list driver->activePciHostdevs
* if it's used by other domain.
*/
activeDev = pciDeviceListFind(driver->activePciHostdevs, dev);
if (activeDev &&
STRNEQ_NULLABLE(name, pciDeviceGetUsedBy(activeDev))) {
pciDeviceListSteal(pcidevs, dev);
continue;
}
/* pciDeviceListFree() will take care of freeing the dev. */
pciDeviceListSteal(driver->activePciHostdevs, dev);
}
/*
* For SRIOV net host devices, unset mac and port profile before
* reset and reattach device
*/
for (i = 0; i < nhostdevs; i++) {
virDomainHostdevDefPtr hostdev = hostdevs[i];
if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS)
continue;
if (hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI)
continue;
if (hostdev->parent.type == VIR_DOMAIN_DEVICE_NET &&
hostdev->parent.data.net) {
qemuDomainHostdevNetConfigRestore(hostdev, driver->stateDir);
}
}
for (i = 0; i < pciDeviceListCount(pcidevs); i++) {
pciDevice *dev = pciDeviceListGet(pcidevs, i);
if (pciResetDevice(dev, driver->activePciHostdevs,
driver->inactivePciHostdevs) < 0) {
virErrorPtr err = virGetLastError();
VIR_ERROR(_("Failed to reset PCI device: %s"),
err ? err->message : _("unknown error"));
virResetError(err);
}
}
while (pciDeviceListCount(pcidevs) > 0) {
pciDevice *dev = pciDeviceListStealIndex(pcidevs, 0);
qemuReattachPciDevice(dev, driver);
}
pciDeviceListFree(pcidevs);
}
void
qemuDomainReAttachHostdevDevices(virQEMUDriverPtr driver,
const char *name,
virDomainHostdevDefPtr *hostdevs,
int nhostdevs)
{
virPCIDeviceListPtr pcidevs;
size_t i;
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
virObjectLock(driver->activePciHostdevs);
virObjectLock(driver->inactivePciHostdevs);
if (!(pcidevs = qemuGetActivePciHostDeviceList(driver,
hostdevs,
nhostdevs))) {
virErrorPtr err = virGetLastError();
VIR_ERROR(_("Failed to allocate PCI device list: %s"),
err ? err->message : _("unknown error"));
virResetError(err);
goto cleanup;
}
/* Again 4 loops; mark all devices as inactive before reset
* them and reset all the devices before re-attach.
* Attach mac and port profile parameters to devices
*/
for (i = 0; i < virPCIDeviceListCount(pcidevs); i++) {
virPCIDevicePtr dev = virPCIDeviceListGet(pcidevs, i);
virPCIDevicePtr activeDev = NULL;
/* delete the copy of the dev from pcidevs if it's used by
* other domain. Or delete it from activePciHostDevs if it had
* been used by this domain.
*/
activeDev = virPCIDeviceListFind(driver->activePciHostdevs, dev);
if (activeDev &&
STRNEQ_NULLABLE(name, virPCIDeviceGetUsedBy(activeDev))) {
virPCIDeviceListDel(pcidevs, dev);
continue;
}
virPCIDeviceListDel(driver->activePciHostdevs, dev);
}
/* At this point, any device that had been used by the guest is in
* pcidevs, but has been removed from activePciHostdevs.
*/
/*
* For SRIOV net host devices, unset mac and port profile before
* reset and reattach device
*/
for (i = 0; i < nhostdevs; i++) {
virDomainHostdevDefPtr hostdev = hostdevs[i];
if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS)
continue;
if (hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI)
continue;
if (hostdev->parent.type == VIR_DOMAIN_DEVICE_NET &&
hostdev->parent.data.net) {
qemuDomainHostdevNetConfigRestore(hostdev, cfg->stateDir);
}
}
for (i = 0; i < virPCIDeviceListCount(pcidevs); i++) {
virPCIDevicePtr dev = virPCIDeviceListGet(pcidevs, i);
if (virPCIDeviceReset(dev, driver->activePciHostdevs,
driver->inactivePciHostdevs) < 0) {
virErrorPtr err = virGetLastError();
VIR_ERROR(_("Failed to reset PCI device: %s"),
err ? err->message : _("unknown error"));
virResetError(err);
}
}
while (virPCIDeviceListCount(pcidevs) > 0) {
virPCIDevicePtr dev = virPCIDeviceListStealIndex(pcidevs, 0);
qemuReattachPciDevice(dev, driver);
}
virObjectUnref(pcidevs);
cleanup:
virObjectUnlock(driver->activePciHostdevs);
virObjectUnlock(driver->inactivePciHostdevs);
virObjectUnref(cfg);
}
