qemu: Introduce qemuBuildGlobalControllerCommandLine

Add new function to manage adding the -global controller options to
the command line removing that task from the mainline qemuBuildCommandLine.
Signed-off-by: NJohn Ferlan <jferlan@redhat.com>

src/qemu/qemu_command.c

@@ -5246,6 +5246,64 @@ qemuBuildBootCommandLine(virCommandPtr cmd,
 }
 
 
+static int
+qemuBuildGlobalControllerCommandLine(virCommandPtr cmd,
+                                     const virDomainDef *def,
+                                     virQEMUCapsPtr qemuCaps)
+{
+    size_t i;
+
+    for (i = 0; i < def->ncontrollers; i++) {
+        virDomainControllerDefPtr cont = def->controllers[i];
+        if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&
+            cont->opts.pciopts.pcihole64) {
+            const char *hoststr = NULL;
+            bool cap = false;
+            bool machine = false;
+
+            switch (cont->model) {
+            case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT:
+                hoststr = "i440FX-pcihost";
+                cap = virQEMUCapsGet(qemuCaps, QEMU_CAPS_I440FX_PCI_HOLE64_SIZE);
+                machine = qemuDomainMachineIsI440FX(def);
+                break;
+
+            case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
+                hoststr = "q35-pcihost";
+                cap = virQEMUCapsGet(qemuCaps, QEMU_CAPS_Q35_PCI_HOLE64_SIZE);
+                machine = qemuDomainMachineIsQ35(def);
+                break;
+
+            default:
+                virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                               _("64-bit PCI hole setting is only for root"
+                                 " PCI controllers"));
+                return -1;
+            }
+
+            if (!machine) {
+                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                             _("Setting the 64-bit PCI hole size is not "
+                             "supported for machine '%s'"), def->os.machine);
+                return -1;
+            }
+            if (!cap) {
+                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                               _("64-bit PCI hole size setting is not supported "
+                                 "with this QEMU binary"));
+                return -1;
+            }
+
+            virCommandAddArg(cmd, "-global");
+            virCommandAddArgFormat(cmd, "%s.pci-hole64-size=%luK", hoststr,
+                                   cont->opts.pciopts.pcihole64size);
+        }
+    }
+
+    return 0;
+}
+
+
 static int
 qemuBuildCpuModelArgStr(virQEMUDriverPtr driver,
                         const virDomainDef *def,
@@ -7672,52 +7730,8 @@ qemuBuildCommandLine(virConnectPtr conn,
     if (qemuBuildBootCommandLine(cmd, def, qemuCaps, &emitBootindex) < 0)
         goto error;
 
-    for (i = 0; i < def->ncontrollers; i++) {
-        virDomainControllerDefPtr cont = def->controllers[i];
-        if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&
-            cont->opts.pciopts.pcihole64) {
-            const char *hoststr = NULL;
-            bool cap = false;
-            bool machine = false;
-
-            switch (cont->model) {
-            case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT:
-                hoststr = "i440FX-pcihost";
-                cap = virQEMUCapsGet(qemuCaps, QEMU_CAPS_I440FX_PCI_HOLE64_SIZE);
-                machine = qemuDomainMachineIsI440FX(def);
-                break;
-
-            case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
-                hoststr = "q35-pcihost";
-                cap = virQEMUCapsGet(qemuCaps, QEMU_CAPS_Q35_PCI_HOLE64_SIZE);
-                machine = qemuDomainMachineIsQ35(def);
-                break;
-
-            default:
-                virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
-                               _("64-bit PCI hole setting is only for root"
-                                 " PCI controllers"));
-                goto error;
-            }
-
-            if (!machine) {
-                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                             _("Setting the 64-bit PCI hole size is not "
-                             "supported for machine '%s'"), def->os.machine);
-                goto error;
-            }
-            if (!cap) {
-                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                               _("64-bit PCI hole size setting is not supported "
-                                 "with this QEMU binary"));
-                goto error;
-            }
-
-            virCommandAddArg(cmd, "-global");
-            virCommandAddArgFormat(cmd, "%s.pci-hole64-size=%luK", hoststr,
-                                   cont->opts.pciopts.pcihole64size);
-        }
-    }
+    if (qemuBuildGlobalControllerCommandLine(cmd, def, qemuCaps) < 0)
+        goto error;
 
     if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
         for (j = 0; j < ARRAY_CARDINALITY(contOrder); j++) {