Signed-off-by: Andrea Bolognani <abologna@xxxxxxxxxx>
Reviewed-by: Laine Stump <laine@xxxxxxxxx>
---
src/qemu/qemu_domain.c | 190 ++++++++++++++++++++-----------------------------
1 file changed, 77 insertions(+), 113 deletions(-)
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index f0eb30d248..bb0ae72db7 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -4270,11 +4270,8 @@ qemuDomainDeviceDefValidateControllerSCSI(const virDomainControllerDef *controll
static int
qemuDomainDeviceDefValidateControllerPCIOld(const virDomainControllerDef *controller,
const virDomainDef *def,
- virQEMUCapsPtr qemuCaps)
+ virQEMUCapsPtr qemuCaps ATTRIBUTE_UNUSED)
{
- virDomainControllerModelPCI model = controller->model;
- const virDomainPCIControllerOpts *pciopts;
-
/* skip pcie-root */
if (controller->model == VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT)
return 0;
@@ -4285,119 +4282,50 @@ qemuDomainDeviceDefValidateControllerPCIOld(const virDomainControllerDef *contro
controller->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT)
return 0;
- pciopts = &controller->opts.pciopts;
-
- /* Second pass - now the model specific checks */
- switch (model) {
- case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE:
- if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PCI_BRIDGE)) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("the pci-bridge controller is not supported "
- "in this QEMU binary"));
- return -1;
- }
-
- break;
-
- case VIR_DOMAIN_CONTROLLER_MODEL_PCI_EXPANDER_BUS:
- if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PXB)) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("the pxb controller is not supported in this "
- "QEMU binary"));
- return -1;
- }
-
- break;
-
- case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE:
- if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_DMI_TO_PCI_BRIDGE)) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("the dmi-to-pci-bridge (i82801b11-bridge) "
- "controller is not supported in this QEMU binary"));
- return -1;
- }
-
- break;
-
- case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT_PORT:
- if ((pciopts->modelName == VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_IOH3420) &&
- !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_IOH3420)) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("the pcie-root-port (ioh3420) controller "
- "is not supported in this QEMU binary"));
- return -1;
- }
-
- if ((pciopts->modelName == VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PCIE_ROOT_PORT) &&
- !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PCIE_ROOT_PORT)) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("the pcie-root-port (pcie-root-port) controller "
- "is not supported in this QEMU binary"));
- return -1;
- }
-
- break;
-
- case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_UPSTREAM_PORT:
- if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_X3130_UPSTREAM)) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("the pcie-switch-upstream-port (x3130-upstream) "
- "controller is not supported in this QEMU binary"));
- return -1;
- }
-
- break;
-
- case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_DOWNSTREAM_PORT:
- if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_XIO3130_DOWNSTREAM)) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("The pcie-switch-downstream-port "
- "(xio3130-downstream) controller is not "
- "supported in this QEMU binary"));
- return -1;
- }
-
- break;
-
- case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_EXPANDER_BUS:
- if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PXB_PCIE)) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("the pxb-pcie controller is not supported "
- "in this QEMU binary"));
- return -1;
- }
-
- break;
-
- case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT:
- /* Skip the implicit one */
- if (pciopts->targetIndex == 0)
- return 0;
-
- if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE)) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("the spapr-pci-host-bridge controller is not "
- "supported in this QEMU binary"));
- return -1;
- }
-
- if (pciopts->numaNode != -1 &&
- !virQEMUCapsGet(qemuCaps, QEMU_CAPS_SPAPR_PCI_HOST_BRIDGE_NUMA_NODE)) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("the spapr-pci-host-bridge controller doesn't "
- "support numa_node in this QEMU binary"));
- return -1;
- }
+ return 0;
+}
- break;
- case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
- case VIR_DOMAIN_CONTROLLER_MODEL_PCI_LAST:
- case VIR_DOMAIN_CONTROLLER_MODEL_PCI_DEFAULT:
- break;
+/**
+ * virDomainControllerPCIModelNameToQEMUCaps:
+ * @modelName: model name
+ *
+ * Maps model names for PCI controllers (virDomainControllerPCIModelName)
+ * to the QEMU capabilities required to use them (virQEMUCapsFlags).
+ *
+ * Returns: the QEMU capability itself (>0) on success; 0 if no QEMU
+ * capability is needed; <0 on error.
+ */
+static int
+virDomainControllerPCIModelNameToQEMUCaps(int modelName)
+{
+ switch ((virDomainControllerPCIModelName) modelName) {
+ case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PCI_BRIDGE:
+ return QEMU_CAPS_DEVICE_PCI_BRIDGE;
+ case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_I82801B11_BRIDGE:
+ return QEMU_CAPS_DEVICE_DMI_TO_PCI_BRIDGE;
+ case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_IOH3420:
+ return QEMU_CAPS_DEVICE_IOH3420;
+ case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_X3130_UPSTREAM:
+ return QEMU_CAPS_DEVICE_X3130_UPSTREAM;
+ case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_XIO3130_DOWNSTREAM:
+ return QEMU_CAPS_DEVICE_XIO3130_DOWNSTREAM;
+ case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PXB:
+ return QEMU_CAPS_DEVICE_PXB;
+ case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PXB_PCIE:
+ return QEMU_CAPS_DEVICE_PXB_PCIE;
+ case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PCIE_ROOT_PORT:
+ return QEMU_CAPS_DEVICE_PCIE_ROOT_PORT;
+ case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_SPAPR_PCI_HOST_BRIDGE:
+ return QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE;
+ case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_NONE:
+ return 0;
+ case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_LAST:
+ default:
+ return -1;
}
- return 0;
+ return -1;
}
@@ -4427,6 +4355,7 @@ qemuDomainDeviceDefValidateControllerPCI(const virDomainControllerDef *cont,
const virDomainPCIControllerOpts *pciopts = &cont->opts.pciopts;
const char *model = virDomainControllerModelPCITypeToString(cont->model);
const char *modelName = virDomainControllerPCIModelNameTypeToString(pciopts->modelName);
+ int cap = virDomainControllerPCIModelNameToQEMUCaps(pciopts->modelName);
if (!model) {
virReportEnumRangeError(virDomainControllerModelPCI, cont->model);
@@ -4815,6 +4744,41 @@ qemuDomainDeviceDefValidateControllerPCI(const virDomainControllerDef *cont,
virReportEnumRangeError(virDomainControllerModelPCI, cont->model);
}
+ /* The default PHB for pSeries guests doesn't need any QEMU capability
+ * to be used, so we should skip the capabilities check altogether */
+ if (cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT &&
+ pciopts->modelName == VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_SPAPR_PCI_HOST_BRIDGE &&
+ pciopts->targetIndex == 0) {
+ goto done;
+ }
+
+ /* QEMU device availability */
+ if (cap < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Unknown QEMU device for '%s' controller"),
+ modelName);
+ return -1;
+ }
+ if (cap > 0 && !virQEMUCapsGet(qemuCaps, cap)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("The '%s' device is not supported by this QEMU binary"),
+ modelName);
+ return -1;
+ }
+
+ /* PHBs didn't support numaNode from the very beginning, so an extra
+ * capability check is required */
+ if (cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT &&
+ pciopts->modelName == VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_SPAPR_PCI_HOST_BRIDGE &&
+ pciopts->numaNode != -1 &&
+ !virQEMUCapsGet(qemuCaps, QEMU_CAPS_SPAPR_PCI_HOST_BRIDGE_NUMA_NODE)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("Option '%s' is not supported by '%s' device with this QEMU binary"),
+ "numaNode", modelName);
+ return -1;
+ }
+
+ done:
return qemuDomainDeviceDefValidateControllerPCIOld(cont, def, qemuCaps);
}
--
2.14.3
--
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