[RFC PATCH 02/12] qemu: Tweak index number checking

[Andrea Bolognani <abologna@xxxxxxxxxx>]

Moving the check and rewriting it this way doesn't alter
the current behavior, but will allow us to special-case
pci-root down the line.
---
 src/qemu/qemu_command.c | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 73767fb..462a598 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -2680,6 +2680,26 @@ qemuBuildControllerDevStr(const virDomainDef *domainDef,
     case VIR_DOMAIN_CONTROLLER_TYPE_PCI:
         switch ((virDomainControllerModelPCI) def->model) {
         case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE:
+        case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE:
+        case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT_PORT:
+        case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_UPSTREAM_PORT:
+        case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_DOWNSTREAM_PORT:
+        case VIR_DOMAIN_CONTROLLER_MODEL_PCI_EXPANDER_BUS:
+        case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_EXPANDER_BUS:
+            if (def->idx == 0) {
+                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                               _("index for pci controllers of model '%s' must be > 0"),
+                               virDomainControllerModelPCITypeToString(def->model));
+                goto error;
+            }
+            break;
+        case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT:
+        case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
+        case VIR_DOMAIN_CONTROLLER_MODEL_PCI_LAST:
+            break;
+        }
+        switch ((virDomainControllerModelPCI) def->model) {
+        case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE:
             if (def->opts.pciopts.modelName
                 == VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_NONE ||
                 def->opts.pciopts.chassisNr == -1) {
@@ -2926,12 +2946,6 @@ qemuBuildControllerDevStr(const virDomainDef *domainDef,
                            _("wrong function called"));
             goto error;
         }
-        if (def->idx == 0) {
-            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                           _("index for pci controllers of model '%s' must be > 0"),
-                           virDomainControllerModelPCITypeToString(def->model));
-            goto error;
-        }
         break;
 
     case VIR_DOMAIN_CONTROLLER_TYPE_IDE:
-- 
2.7.4

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