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Split qemuDomainDetachDeviceFlags in two
Previously, qemuDomainDetachDeviceFlags was doing two things: handling the job and detaching devices. Now the second part is in a new function.
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8bad904865
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@ -8324,6 +8324,100 @@ static int qemuDomainUpdateDeviceFlags(virDomainPtr dom,
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return ret;
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}
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static int
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qemuDomainDetachDeviceLiveAndConfig(virQEMUDriverPtr driver,
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virDomainObjPtr vm,
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const char *xml,
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unsigned int flags)
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{
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virCapsPtr caps = NULL;
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virQEMUDriverConfigPtr cfg = NULL;
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virDomainDeviceDefPtr dev = NULL, dev_copy = NULL;
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unsigned int parse_flags = VIR_DOMAIN_DEF_PARSE_SKIP_VALIDATE;
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virDomainDefPtr vmdef = NULL;
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int ret = -1;
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virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
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VIR_DOMAIN_AFFECT_CONFIG, -1);
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if (!(caps = virQEMUDriverGetCapabilities(driver, false)))
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goto cleanup;
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cfg = virQEMUDriverGetConfig(driver);
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if ((flags & VIR_DOMAIN_AFFECT_CONFIG) &&
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!(flags & VIR_DOMAIN_AFFECT_LIVE))
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parse_flags |= VIR_DOMAIN_DEF_PARSE_INACTIVE;
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dev = dev_copy = virDomainDeviceDefParse(xml, vm->def,
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caps, driver->xmlopt,
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parse_flags);
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if (dev == NULL)
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goto cleanup;
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if (flags & VIR_DOMAIN_AFFECT_CONFIG &&
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flags & VIR_DOMAIN_AFFECT_LIVE) {
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/* If we are affecting both CONFIG and LIVE
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* create a deep copy of device as adding
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* to CONFIG takes one instance.
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*/
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dev_copy = virDomainDeviceDefCopy(dev, vm->def, caps, driver->xmlopt);
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if (!dev_copy)
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goto cleanup;
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}
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if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
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/* Make a copy for updated domain. */
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vmdef = virDomainObjCopyPersistentDef(vm, caps, driver->xmlopt);
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if (!vmdef)
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goto cleanup;
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if (virDomainDefCompatibleDevice(vmdef, dev,
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VIR_DOMAIN_DEVICE_ACTION_DETACH) < 0)
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goto cleanup;
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if ((ret = qemuDomainDetachDeviceConfig(vmdef, dev, caps,
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parse_flags,
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driver->xmlopt)) < 0)
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goto cleanup;
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}
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if (flags & VIR_DOMAIN_AFFECT_LIVE) {
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if (virDomainDefCompatibleDevice(vm->def, dev_copy,
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VIR_DOMAIN_DEVICE_ACTION_DETACH) < 0)
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goto cleanup;
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if ((ret = qemuDomainDetachDeviceLive(vm, dev_copy, driver)) < 0)
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goto cleanup;
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/*
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* update domain status forcibly because the domain status may be
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* changed even if we failed to attach the device. For example,
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* a new controller may be created.
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*/
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if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm, driver->caps) < 0) {
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ret = -1;
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goto cleanup;
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}
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}
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/* Finally, if no error until here, we can save config. */
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if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
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ret = virDomainSaveConfig(cfg->configDir, driver->caps, vmdef);
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if (!ret) {
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virDomainObjAssignDef(vm, vmdef, false, NULL);
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vmdef = NULL;
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}
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}
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cleanup:
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virObjectUnref(caps);
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virObjectUnref(cfg);
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if (dev != dev_copy)
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virDomainDeviceDefFree(dev_copy);
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virDomainDeviceDefFree(dev);
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virDomainDefFree(vmdef);
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return ret;
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}
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static int
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qemuDomainDetachDeviceFlags(virDomainPtr dom,
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@ -8332,20 +8426,7 @@ qemuDomainDetachDeviceFlags(virDomainPtr dom,
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{
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virQEMUDriverPtr driver = dom->conn->privateData;
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virDomainObjPtr vm = NULL;
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virDomainDefPtr vmdef = NULL;
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virDomainDeviceDefPtr dev = NULL, dev_copy = NULL;
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int ret = -1;
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unsigned int parse_flags = VIR_DOMAIN_DEF_PARSE_SKIP_VALIDATE;
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virQEMUDriverConfigPtr cfg = NULL;
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virCapsPtr caps = NULL;
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virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
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VIR_DOMAIN_AFFECT_CONFIG, -1);
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cfg = virQEMUDriverGetConfig(driver);
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if (!(caps = virQEMUDriverGetCapabilities(driver, false)))
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goto cleanup;
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if (!(vm = qemuDomObjFromDomain(dom)))
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goto cleanup;
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@ -8359,81 +8440,16 @@ qemuDomainDetachDeviceFlags(virDomainPtr dom,
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if (virDomainObjUpdateModificationImpact(vm, &flags) < 0)
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goto endjob;
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if ((flags & VIR_DOMAIN_AFFECT_CONFIG) &&
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!(flags & VIR_DOMAIN_AFFECT_LIVE))
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parse_flags |= VIR_DOMAIN_DEF_PARSE_INACTIVE;
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dev = dev_copy = virDomainDeviceDefParse(xml, vm->def,
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caps, driver->xmlopt,
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parse_flags);
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if (dev == NULL)
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if (qemuDomainDetachDeviceLiveAndConfig(driver, vm, xml, flags) < 0)
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goto endjob;
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if (flags & VIR_DOMAIN_AFFECT_CONFIG &&
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flags & VIR_DOMAIN_AFFECT_LIVE) {
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/* If we are affecting both CONFIG and LIVE
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* create a deep copy of device as adding
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* to CONFIG takes one instance.
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*/
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dev_copy = virDomainDeviceDefCopy(dev, vm->def, caps, driver->xmlopt);
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if (!dev_copy)
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goto endjob;
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}
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if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
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/* Make a copy for updated domain. */
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vmdef = virDomainObjCopyPersistentDef(vm, caps, driver->xmlopt);
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if (!vmdef)
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goto endjob;
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if (virDomainDefCompatibleDevice(vmdef, dev,
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VIR_DOMAIN_DEVICE_ACTION_DETACH) < 0)
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goto endjob;
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if ((ret = qemuDomainDetachDeviceConfig(vmdef, dev, caps,
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parse_flags,
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driver->xmlopt)) < 0)
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goto endjob;
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}
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if (flags & VIR_DOMAIN_AFFECT_LIVE) {
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if (virDomainDefCompatibleDevice(vm->def, dev_copy,
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VIR_DOMAIN_DEVICE_ACTION_DETACH) < 0)
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goto endjob;
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if ((ret = qemuDomainDetachDeviceLive(vm, dev_copy, driver)) < 0)
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goto endjob;
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/*
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* update domain status forcibly because the domain status may be
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* changed even if we failed to attach the device. For example,
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* a new controller may be created.
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*/
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if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm, driver->caps) < 0) {
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ret = -1;
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goto endjob;
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}
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}
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/* Finally, if no error until here, we can save config. */
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if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
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ret = virDomainSaveConfig(cfg->configDir, driver->caps, vmdef);
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if (!ret) {
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virDomainObjAssignDef(vm, vmdef, false, NULL);
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vmdef = NULL;
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}
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}
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ret = 0;
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endjob:
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qemuDomainObjEndJob(driver, vm);
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cleanup:
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virDomainDefFree(vmdef);
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if (dev != dev_copy)
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virDomainDeviceDefFree(dev_copy);
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virDomainDeviceDefFree(dev);
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virDomainObjEndAPI(&vm);
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virObjectUnref(caps);
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virObjectUnref(cfg);
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return ret;
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}
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