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autostart for running Xen domains
* src/xen_unified.c src/xend_internal.c src/xend_internal.h: patch from Cole Robinson implementing autostart for running Xen domains Daniel
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@ -1,3 +1,8 @@
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Fri May 9 10:10:28 CEST 2008 Daniel Veillard <veillard@redhat.com>
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* src/xen_unified.c src/xend_internal.c src/xend_internal.h: patch
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from Cole Robinson implementing autostart for running Xen domains
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Fri May 9 10:01:34 EST 2008 Jim Meyering <meyering@redhat.com>
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sytnax-check: add a check for risky ctype macro use
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@ -1128,6 +1128,34 @@ xenUnifiedDomainDetachDevice (virDomainPtr dom, const char *xml)
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return -1;
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}
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static int
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xenUnifiedDomainGetAutostart (virDomainPtr dom, int *autostart)
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{
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GET_PRIVATE(dom->conn);
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int i;
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for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
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if (priv->opened[i] && drivers[i]->domainGetAutostart &&
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drivers[i]->domainGetAutostart (dom, autostart) == 0)
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return 0;
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return -1;
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}
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static int
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xenUnifiedDomainSetAutostart (virDomainPtr dom, int autostart)
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{
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GET_PRIVATE(dom->conn);
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int i;
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for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
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if (priv->opened[i] && drivers[i]->domainSetAutostart &&
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drivers[i]->domainSetAutostart (dom, autostart) == 0)
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return 0;
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return -1;
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}
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static char *
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xenUnifiedDomainGetSchedulerType (virDomainPtr dom, int *nparams)
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{
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@ -1291,6 +1319,8 @@ static virDriver xenUnifiedDriver = {
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.domainUndefine = xenUnifiedDomainUndefine,
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.domainAttachDevice = xenUnifiedDomainAttachDevice,
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.domainDetachDevice = xenUnifiedDomainDetachDevice,
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.domainGetAutostart = xenUnifiedDomainGetAutostart,
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.domainSetAutostart = xenUnifiedDomainSetAutostart,
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.domainGetSchedulerType = xenUnifiedDomainGetSchedulerType,
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.domainGetSchedulerParameters = xenUnifiedDomainGetSchedulerParameters,
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.domainSetSchedulerParameters = xenUnifiedDomainSetSchedulerParameters,
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@ -115,8 +115,8 @@ struct xenUnifiedDriver xenDaemonDriver = {
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xenDaemonDomainUndefine, /* domainUndefine */
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xenDaemonAttachDevice, /* domainAttachDevice */
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xenDaemonDetachDevice, /* domainDetachDevice */
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NULL, /* domainGetAutostart */
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NULL, /* domainSetAutostart */
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xenDaemonDomainGetAutostart, /* domainGetAutostart */
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xenDaemonDomainSetAutostart, /* domainSetAutostart */
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xenDaemonGetSchedulerType, /* domainGetSchedulerType */
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xenDaemonGetSchedulerParameters, /* domainGetSchedulerParameters */
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xenDaemonSetSchedulerParameters, /* domainSetSchedulerParameters */
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@ -3728,6 +3728,115 @@ xenDaemonDetachDevice(virDomainPtr domain, const char *xml)
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"type", class, "dev", ref, "force", "0", "rm_cfg", "1", NULL));
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}
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int
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xenDaemonDomainGetAutostart(virDomainPtr domain,
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int *autostart)
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{
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struct sexpr *root;
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const char *tmp;
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xenUnifiedPrivatePtr priv;
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if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)) {
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virXendError((domain ? domain->conn : NULL), VIR_ERR_INVALID_ARG,
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__FUNCTION__);
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return (-1);
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}
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/* xm_internal.c (the support for defined domains from /etc/xen
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* config files used by old Xen) will handle this.
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*/
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priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
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if (priv->xendConfigVersion < 3)
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return(-1);
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root = sexpr_get(domain->conn, "/xend/domain/%s?detail=1", domain->name);
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if (root == NULL) {
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virXendError (domain->conn, VIR_ERR_XEN_CALL,
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_("xenDaemonGetAutostart failed to find this domain"));
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return (-1);
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}
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*autostart = 0;
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tmp = sexpr_node(root, "domain/on_xend_start");
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if (tmp && STREQ(tmp, "start")) {
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*autostart = 1;
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}
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sexpr_free(root);
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return 0;
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}
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int
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xenDaemonDomainSetAutostart(virDomainPtr domain,
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int autostart)
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{
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struct sexpr *root, *autonode;
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const char *autostr;
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char buf[4096];
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int ret = -1;
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xenUnifiedPrivatePtr priv;
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if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)) {
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virXendError((domain ? domain->conn : NULL), VIR_ERR_INTERNAL_ERROR,
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__FUNCTION__);
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return (-1);
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}
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/* xm_internal.c (the support for defined domains from /etc/xen
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* config files used by old Xen) will handle this.
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*/
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priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
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if (priv->xendConfigVersion < 3)
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return(-1);
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root = sexpr_get(domain->conn, "/xend/domain/%s?detail=1", domain->name);
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if (root == NULL) {
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virXendError (domain->conn, VIR_ERR_XEN_CALL,
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_("xenDaemonSetAutostart failed to find this domain"));
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return (-1);
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}
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autostr = sexpr_node(root, "domain/on_xend_start");
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if (autostr) {
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if (!STREQ(autostr, "ignore") && !STREQ(autostr, "start")) {
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virXendError(domain->conn, VIR_ERR_INTERNAL_ERROR,
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_("unexpected value from on_xend_start"));
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goto error;
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}
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// Change the autostart value in place, then define the new sexpr
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autonode = sexpr_lookup(root, "domain/on_xend_start");
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free(autonode->u.s.car->u.value);
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autonode->u.s.car->u.value = (autostart ? strdup("start")
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: strdup("ignore"));
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if (!(autonode->u.s.car->u.value)) {
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virXendError(domain->conn, VIR_ERR_INTERNAL_ERROR,
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_("no memory"));
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goto error;
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}
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if (sexpr2string(root, buf, sizeof(buf)) == 0) {
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virXendError(domain->conn, VIR_ERR_INTERNAL_ERROR,
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_("sexpr2string failed"));
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goto error;
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}
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if (xend_op(domain->conn, "", "op", "new", "config", buf, NULL) != 0) {
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virXendError(domain->conn, VIR_ERR_XEN_CALL,
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_("Failed to redefine sexpr"));
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goto error;
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}
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} else {
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virXendError(domain->conn, VIR_ERR_INTERNAL_ERROR,
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_("on_xend_start not present in sexpr"));
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goto error;
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}
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ret = 0;
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error:
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sexpr_free(root);
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return ret;
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}
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int
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xenDaemonDomainMigratePrepare (virConnectPtr dconn,
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@ -229,6 +229,10 @@ int xenDaemonDomainGetVcpus (virDomainPtr domain,
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int maxinfo,
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unsigned char *cpumaps,
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int maplen);
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int xenDaemonDomainGetAutostart (virDomainPtr dom,
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int *autostart);
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int xenDaemonDomainSetAutostart (virDomainPtr domain,
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int autostart);
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/* xen_unified calls through here. */
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extern struct xenUnifiedDriver xenDaemonDriver;
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