src: Introduce and use virDomainDefHasOldStyleUEFI() and virDomainDefHasOldStyleROUEFI()

These functions are meant to replace verbose check for the old
style of specifying UEFI with a simple function call.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>

src/bhyve/bhyve_driver.c

@@ -704,8 +704,7 @@ bhyveConnectDomainXMLToNative(virConnectPtr conn,
     if (def->os.bootloader == NULL &&
         def->os.loader) {
 
-        if ((def->os.loader->readonly != VIR_TRISTATE_BOOL_YES) ||
-            (def->os.loader->type != VIR_DOMAIN_LOADER_TYPE_PFLASH)) {
+        if (!virDomainDefHasOldStyleROUEFI(def)) {
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                            _("Only read-only pflash is supported."));
             goto cleanup;

src/conf/domain_conf.c

@@ -31526,6 +31526,22 @@ virDomainDefHasMdevHostdev(const virDomainDef *def)
 }
 
 
+bool
+virDomainDefHasOldStyleUEFI(const virDomainDef *def)
+{
+    return def->os.loader &&
+           def->os.loader->type == VIR_DOMAIN_LOADER_TYPE_PFLASH;
+}
+
+
+bool
+virDomainDefHasOldStyleROUEFI(const virDomainDef *def)
+{
+    return virDomainDefHasOldStyleUEFI(def) &&
+           def->os.loader->readonly == VIR_TRISTATE_BOOL_YES;
+}
+
+
 /**
  * virDomainGraphicsDefHasOpenGL:
  * @def: domain definition

src/conf/domain_conf.h

@@ -3673,6 +3673,12 @@ virDomainDefHasVFIOHostdev(const virDomainDef *def);
 bool
 virDomainDefHasMdevHostdev(const virDomainDef *def);
 
+bool
+virDomainDefHasOldStyleUEFI(const virDomainDef *def);
+
+bool
+virDomainDefHasOldStyleROUEFI(const virDomainDef *def);
+
 bool
 virDomainGraphicsDefHasOpenGL(const virDomainDef *def);
 

src/libvirt_private.syms

@@ -311,6 +311,8 @@ virDomainDefHasMdevHostdev;
 virDomainDefHasMemballoon;
 virDomainDefHasMemoryHotplug;
 virDomainDefHasNVMeDisk;
+virDomainDefHasOldStyleROUEFI;
+virDomainDefHasOldStyleUEFI;
 virDomainDefHasUSB;
 virDomainDefHasVcpusOffline;
 virDomainDefHasVFIOHostdev;

src/libxl/libxl_conf.c

@@ -545,8 +545,7 @@ libxlMakeDomBuildInfo(virDomainDefPtr def,
          * future, Xen will support a user-specified firmware path. See
          * http://lists.xenproject.org/archives/html/xen-devel/2016-03/msg01628.html
          */
-        if (def->os.loader &&
-            def->os.loader->type == VIR_DOMAIN_LOADER_TYPE_PFLASH)
+        if (virDomainDefHasOldStyleUEFI(def))
             b_info->u.hvm.bios = LIBXL_BIOS_TYPE_OVMF;
 
         if (def->emulator) {

src/libxl/xen_xl.c

@@ -1228,11 +1228,9 @@ xenFormatXLOS(virConfPtr conf, virDomainDefPtr def)
         if (xenConfigSetString(conf, "builder", "hvm") < 0)
             return -1;
 
-        if (def->os.loader &&
-            def->os.loader->type == VIR_DOMAIN_LOADER_TYPE_PFLASH) {
-            if (xenConfigSetString(conf, "bios", "ovmf") < 0)
-                return -1;
-        }
+        if (virDomainDefHasOldStyleUEFI(def) &&
+            xenConfigSetString(conf, "bios", "ovmf") < 0)
+            return -1;
 
         if (def->os.slic_table &&
             xenConfigSetString(conf, "acpi_firmware", def->os.slic_table) < 0)

src/qemu/qemu_domain.c

@@ -5697,8 +5697,7 @@ qemuDomainDefValidate(const virDomainDef *def,
 
     /* On x86, UEFI requires ACPI */
     if ((def->os.firmware == VIR_DOMAIN_OS_DEF_FIRMWARE_EFI ||
-         (def->os.loader &&
-          def->os.loader->type == VIR_DOMAIN_LOADER_TYPE_PFLASH)) &&
+         virDomainDefHasOldStyleUEFI(def)) &&
         ARCH_IS_X86(def->os.arch) &&
         def->features[VIR_DOMAIN_FEATURE_ACPI] != VIR_TRISTATE_SWITCH_ON) {
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
@@ -5710,8 +5709,7 @@ qemuDomainDefValidate(const virDomainDef *def,
     if (def->features[VIR_DOMAIN_FEATURE_ACPI] == VIR_TRISTATE_SWITCH_ON &&
         def->os.arch == VIR_ARCH_AARCH64 &&
         (def->os.firmware != VIR_DOMAIN_OS_DEF_FIRMWARE_EFI &&
-         (!def->os.loader ||
-          def->os.loader->type != VIR_DOMAIN_LOADER_TYPE_PFLASH))) {
+         !virDomainDefHasOldStyleUEFI(def))) {
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                        _("ACPI requires UEFI on this architecture"));
         goto cleanup;
@@ -16608,12 +16606,9 @@ void
 qemuDomainNVRAMPathGenerate(virQEMUDriverConfigPtr cfg,
                             virDomainDefPtr def)
 {
-    if (def->os.loader &&
-        def->os.loader->type == VIR_DOMAIN_LOADER_TYPE_PFLASH &&
-        def->os.loader->readonly == VIR_TRISTATE_BOOL_YES &&
+    if (virDomainDefHasOldStyleROUEFI(def) &&
         !def->os.loader->nvram)
         qemuDomainNVRAMPathFormat(cfg, def, &def->os.loader->nvram);
-
 }
 
 
@@ -16740,8 +16735,7 @@ qemuDomainInitializePflashStorageSource(virDomainObjPtr vm)
     if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV))
         return 0;
 
-    if (!def->os.loader ||
-        def->os.loader->type != VIR_DOMAIN_LOADER_TYPE_PFLASH)
+    if (!virDomainDefHasOldStyleUEFI(def))
         return 0;
 
     if (!(pflash0 = virStorageSourceNew()))

src/qemu/qemu_driver.c

@@ -15218,8 +15218,7 @@ qemuDomainSnapshotPrepare(virDomainObjPtr vm,
      * Avoid the issues by forbidding internal snapshot with pflash completely.
      */
     if (found_internal &&
-        vm->def->os.loader &&
-        vm->def->os.loader->type == VIR_DOMAIN_LOADER_TYPE_PFLASH) {
+        virDomainDefHasOldStyleUEFI(vm->def)) {
         virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
                        _("internal snapshots of a VM with pflash based "
                          "firmware are not supported"));