[libvirt] [PATCH 04/13] qemu: restructure qemuAssignDeviceControllerAlias
No functional change, just rearrange this function and pass in full
domain definition to make it simpler to add exceptions.
---
src/qemu/qemu_command.c | 32 ++++++++++++++++++++++----------
src/qemu/qemu_command.h | 2 +-
src/qemu/qemu_hotplug.c | 4 ++--
3 files changed, 25 insertions(+), 13 deletions(-)
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index b76bd98..340478c 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -1031,22 +1031,34 @@ qemuAssignDeviceRedirdevAlias(virDomainDefPtr def,
virDomainRedirdevDefPtr redir
int
-qemuAssignDeviceControllerAlias(virDomainControllerDefPtr controller)
+qemuAssignDeviceControllerAlias(ATTRIBUTE_UNUSED virDomainDefPtr def,
+ virDomainControllerDefPtr controller)
{
- const char *prefix = virDomainControllerTypeToString(controller->type);
+ int ret = 0;
+
+ VIR_FREE(controller->info.alias);
- if (controller->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI) {
- /* only pcie-root uses a different naming convention
- * ("pcie.0"), because it is hardcoded that way in qemu. All
- * other buses use the consistent "pci.%u".
+ switch (controller->type) {
+ case VIR_DOMAIN_CONTROLLER_TYPE_PCI:
+ /* pcie-root uses a different naming convention ("pcie.0"),
+ * because it is hardcoded that way in qemu. All other PCI
+ * buses use the consistent "pci.%u".
*/
if (controller->model == VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT)
- return virAsprintf(&controller->info.alias, "pcie.%d",
controller->idx);
+ ret = virAsprintf(&controller->info.alias, "pcie.%d",
controller->idx);
else
- return virAsprintf(&controller->info.alias, "pci.%d",
controller->idx);
+ ret = virAsprintf(&controller->info.alias, "pci.%d",
controller->idx);
+ break;
+ default:
+ break;
}
- return virAsprintf(&controller->info.alias, "%s%d", prefix,
controller->idx);
+ /* catchall for anything that wasn't an exception */
+ if (ret == 0 && !controller->info.alias)
+ ret = virAsprintf(&controller->info.alias, "%s%d",
+ virDomainControllerTypeToString(controller->type),
+ controller->idx);
+ return ret;
}
static ssize_t
@@ -1174,7 +1186,7 @@ qemuAssignDeviceAliases(virDomainDefPtr def, virQEMUCapsPtr
qemuCaps)
return -1;
}
for (i = 0; i < def->ncontrollers; i++) {
- if (qemuAssignDeviceControllerAlias(def->controllers[i]) < 0)
+ if (qemuAssignDeviceControllerAlias(def, def->controllers[i]) < 0)
return -1;
}
for (i = 0; i < def->ninputs; i++) {
diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h
index 675eb62..d066953 100644
--- a/src/qemu/qemu_command.h
+++ b/src/qemu/qemu_command.h
@@ -287,7 +287,7 @@ int qemuAssignDeviceDiskAlias(virDomainDefPtr vmdef,
virDomainDiskDefPtr def,
virQEMUCapsPtr qemuCaps);
int qemuAssignDeviceHostdevAlias(virDomainDefPtr def, virDomainHostdevDefPtr hostdev, int
idx);
-int qemuAssignDeviceControllerAlias(virDomainControllerDefPtr controller);
+int qemuAssignDeviceControllerAlias(virDomainDefPtr def, virDomainControllerDefPtr
controller);
int qemuAssignDeviceRedirdevAlias(virDomainDefPtr def, virDomainRedirdevDefPtr redirdev,
int idx);
int qemuAssignDeviceChrAlias(virDomainDefPtr def,
virDomainChrDefPtr chr,
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 613b728..24a5f51 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -465,7 +465,7 @@ int qemuDomainAttachControllerDevice(virQEMUDriverPtr driver,
goto cleanup;
}
releaseaddr = true;
- if (qemuAssignDeviceControllerAlias(controller) < 0)
+ if (qemuAssignDeviceControllerAlias(vm->def, controller) < 0)
goto cleanup;
if (controller->type == VIR_DOMAIN_CONTROLLER_TYPE_USB &&
@@ -3631,7 +3631,7 @@ int qemuDomainDetachControllerDevice(virQEMUDriverPtr driver,
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE) &&
!detach->info.alias) {
- if (qemuAssignDeviceControllerAlias(detach) < 0)
+ if (qemuAssignDeviceControllerAlias(vm->def, detach) < 0)
goto cleanup;
}
--
2.1.0