[RFC REPOST 6/7] qemu: implement virDomainSetFibreChannelAppid API

[Pavel Hrdina]

Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
---
 src/qemu/qemu_driver.c | 75 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index bd41ddbc3c..872dedeafe 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -20428,6 +20428,80 @@ qemuDomainStartDirtyRateCalc(virDomainPtr dom,
 }
 
 
+static void
+qemuDomainUpdateFibreChannelAppid(virDomainDef *def,
+                                  const char *appid)
+{
+    if (!def->resource) {
+        def->resource = g_new0(virDomainResourceDef, 1);
+    } else {
+        g_free(def->resource->appid);
+    }
+
+    def->resource->appid = g_strdup(appid);
+}
+
+
+static int
+qemuDomainSetFibreChannelAppid(virDomainPtr dom,
+                               const char *appid,
+                               unsigned int flags)
+{
+    virQEMUDriver *driver = dom->conn->privateData;
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
+    virDomainObj *vm = NULL;
+    virDomainDef *def = NULL;
+    virDomainDef *persistentDef = NULL;
+    int ret = -1;
+
+    virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
+                  VIR_DOMAIN_AFFECT_CONFIG, -1);
+
+    if (appid && virDomainDefResourceAppidValidate(appid) < 0)
+        return -1;
+
+    if (!(vm = qemuDomainObjFromDomain(dom)))
+        goto cleanup;
+
+    if (virDomainSetFibreChannelAppidEnsureACL(dom->conn, vm->def) < 0)
+        goto cleanup;
+
+    if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0)
+        goto cleanup;
+
+    if (virDomainObjGetDefs(vm, flags, &def, &persistentDef) < 0)
+        goto endjob;
+
+    if (def) {
+        qemuDomainObjPrivate *priv = vm->privateData;
+
+        if (virCgroupSetFCAppid(priv->cgroup, appid) < 0)
+            goto endjob;
+
+        qemuDomainUpdateFibreChannelAppid(def, appid);
+
+        if (virDomainObjSave(vm, driver->xmlopt, cfg->stateDir) < 0)
+            goto endjob;
+    }
+
+    if (persistentDef) {
+        qemuDomainUpdateFibreChannelAppid(persistentDef, appid);
+
+        if (virDomainDefSave(persistentDef, driver->xmlopt, cfg->configDir) < 0)
+            goto endjob;
+    }
+
+    ret = 0;
+
+ endjob:
+    qemuDomainObjEndJob(driver, vm);
+
+ cleanup:
+    virDomainObjEndAPI(&vm);
+    return ret;
+}
+
+
 static virHypervisorDriver qemuHypervisorDriver = {
     .name = QEMU_DRIVER_NAME,
     .connectURIProbe = qemuConnectURIProbe,
@@ -20671,6 +20745,7 @@ static virHypervisorDriver qemuHypervisorDriver = {
     .domainAuthorizedSSHKeysSet = qemuDomainAuthorizedSSHKeysSet, /* 6.10.0 */
     .domainGetMessages = qemuDomainGetMessages, /* 7.1.0 */
     .domainStartDirtyRateCalc = qemuDomainStartDirtyRateCalc, /* 7.2.0 */
+    .domainSetFibreChannelAppid = qemuDomainSetFibreChannelAppid, /* 7.7.0 */
 };
 
 
-- 
2.31.1