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qemu: Implement pcie-to-pci-bridge controller
The new controller will not yet be used automatically by libvirt, but at this point it's already possible to configure a guest to use it. Signed-off-by: Andrea Bolognani <abologna@redhat.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
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@ -3956,6 +3956,10 @@
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<code>pci-expander-bus</code>, <code>pcie-expander-bus</code>
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(<span class="since">since 1.3.4</span>)
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</li>
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<li>
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<code>pcie-to-pci-bridge</code>
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(<span class="since">since 4.3.0</span>)
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</li>
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</ul>
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<p>
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The root controllers (<code>pci-root</code>
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@ -2102,6 +2102,8 @@
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<value>pci-bridge</value>
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<!-- implementations of 'dmi-to-pci-bridge' -->
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<value>i82801b11-bridge</value>
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<!-- implementations of 'pcie-to-pci-bridge' -->
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<value>pcie-pci-bridge</value>
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<!-- implementations of 'pcie-root-port' -->
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<value>ioh3420</value>
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<value>pcie-root-port</value>
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@ -2172,6 +2174,7 @@
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<choice>
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<value>pci-bridge</value>
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<value>dmi-to-pci-bridge</value>
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<value>pcie-to-pci-bridge</value>
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<value>pcie-root-port</value>
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<value>pcie-switch-upstream-port</value>
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<value>pcie-switch-downstream-port</value>
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@ -62,6 +62,9 @@ virDomainPCIControllerModelToConnectType(virDomainControllerModelPCI model)
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case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE:
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return VIR_PCI_CONNECT_TYPE_DMI_TO_PCI_BRIDGE;
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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return VIR_PCI_CONNECT_TYPE_PCIE_TO_PCI_BRIDGE;
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT_PORT:
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return VIR_PCI_CONNECT_TYPE_PCIE_ROOT_PORT | VIR_PCI_CONNECT_AGGREGATE_SLOT;
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@ -160,6 +163,8 @@ virDomainPCIAddressFlagsCompatible(virPCIDeviceAddressPtr addr,
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connectStr = "pci-switch-downstream-port";
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} else if (devFlags & VIR_PCI_CONNECT_TYPE_DMI_TO_PCI_BRIDGE) {
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connectStr = "dmi-to-pci-bridge";
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} else if (devFlags & VIR_PCI_CONNECT_TYPE_PCIE_TO_PCI_BRIDGE) {
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connectStr = "pcie-to-pci-bridge";
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} else if (devFlags & VIR_PCI_CONNECT_TYPE_PCI_EXPANDER_BUS) {
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connectStr = "pci-expander-bus";
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} else if (devFlags & VIR_PCI_CONNECT_TYPE_PCIE_EXPANDER_BUS) {
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@ -316,14 +321,24 @@ virDomainPCIAddressBusSetModel(virDomainPCIAddressBusPtr bus,
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bus->minSlot = 0;
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bus->maxSlot = VIR_PCI_ADDRESS_SLOT_LAST;
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break;
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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/* Same as pci-bridge: 32 hotpluggable traditional PCI slots (0-31),
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* the first of which is not usable because of the SHPC */
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bus->flags = (VIR_PCI_CONNECT_HOTPLUGGABLE |
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VIR_PCI_CONNECT_TYPE_PCI_DEVICE |
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VIR_PCI_CONNECT_TYPE_PCI_BRIDGE);
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bus->minSlot = 1;
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bus->maxSlot = VIR_PCI_ADDRESS_SLOT_LAST;
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break;
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT_PORT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_DOWNSTREAM_PORT:
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/* provides one slot which is pcie, can be used by endpoint
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* devices and pcie-switch-upstream-ports, and is hotpluggable
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*/
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bus->flags = VIR_PCI_CONNECT_TYPE_PCIE_DEVICE
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| VIR_PCI_CONNECT_TYPE_PCIE_SWITCH_UPSTREAM_PORT
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| VIR_PCI_CONNECT_HOTPLUGGABLE;
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* devices, pcie-switch-upstream-ports or pcie-to-pci-bridges,
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* and is hotpluggable */
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bus->flags = (VIR_PCI_CONNECT_HOTPLUGGABLE |
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VIR_PCI_CONNECT_TYPE_PCIE_DEVICE |
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VIR_PCI_CONNECT_TYPE_PCIE_SWITCH_UPSTREAM_PORT |
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VIR_PCI_CONNECT_TYPE_PCIE_TO_PCI_BRIDGE);
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bus->minSlot = 0;
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bus->maxSlot = 0;
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break;
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@ -49,6 +49,7 @@ typedef enum {
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VIR_PCI_CONNECT_TYPE_PCI_EXPANDER_BUS = 1 << 8,
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VIR_PCI_CONNECT_TYPE_PCIE_EXPANDER_BUS = 1 << 9,
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VIR_PCI_CONNECT_TYPE_PCI_BRIDGE = 1 << 10,
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VIR_PCI_CONNECT_TYPE_PCIE_TO_PCI_BRIDGE = 1 << 11,
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} virDomainPCIConnectFlags;
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/* a combination of all bits that describe the type of connections
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@ -62,7 +63,8 @@ typedef enum {
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VIR_PCI_CONNECT_TYPE_DMI_TO_PCI_BRIDGE | \
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VIR_PCI_CONNECT_TYPE_PCI_EXPANDER_BUS | \
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VIR_PCI_CONNECT_TYPE_PCIE_EXPANDER_BUS | \
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VIR_PCI_CONNECT_TYPE_PCI_BRIDGE)
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VIR_PCI_CONNECT_TYPE_PCI_BRIDGE | \
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VIR_PCI_CONNECT_TYPE_PCIE_TO_PCI_BRIDGE)
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/* combination of all bits that could be used to connect a normal
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* endpoint device (i.e. excluding the connection possible between an
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@ -335,6 +335,7 @@ VIR_ENUM_IMPL(virDomainControllerModelPCI, VIR_DOMAIN_CONTROLLER_MODEL_PCI_LAST,
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"pcie-root",
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"pci-bridge",
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"dmi-to-pci-bridge",
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"pcie-to-pci-bridge",
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"pcie-root-port",
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"pcie-switch-upstream-port",
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"pcie-switch-downstream-port",
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@ -353,6 +354,7 @@ VIR_ENUM_IMPL(virDomainControllerPCIModelName,
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"pxb-pcie",
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"pcie-root-port",
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"spapr-pci-host-bridge",
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"pcie-pci-bridge",
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);
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VIR_ENUM_IMPL(virDomainControllerModelSCSI, VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LAST,
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@ -10188,6 +10190,7 @@ virDomainControllerDefParseXML(virDomainXMLOptionPtr xmlopt,
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}
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case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE:
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case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT_PORT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_UPSTREAM_PORT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_DOWNSTREAM_PORT:
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@ -690,6 +690,7 @@ typedef enum {
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VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT,
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VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE,
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VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE,
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VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE,
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VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT_PORT,
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VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_UPSTREAM_PORT,
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VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_DOWNSTREAM_PORT,
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@ -710,6 +711,7 @@ typedef enum {
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VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PXB_PCIE,
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VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PCIE_ROOT_PORT,
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VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_SPAPR_PCI_HOST_BRIDGE,
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VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PCIE_PCI_BRIDGE,
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VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_LAST
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} virDomainControllerPCIModelName;
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@ -2795,6 +2795,7 @@ qemuBuildControllerDevStr(const virDomainDef *domainDef,
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break;
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case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_UPSTREAM_PORT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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virBufferAsprintf(&buf, "%s,id=%s", modelName, def->info.alias);
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break;
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT_PORT:
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@ -4400,6 +4400,8 @@ virDomainControllerPCIModelNameToQEMUCaps(int modelName)
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return QEMU_CAPS_DEVICE_PCIE_ROOT_PORT;
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case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_SPAPR_PCI_HOST_BRIDGE:
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return QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE;
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case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PCIE_PCI_BRIDGE:
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return QEMU_CAPS_DEVICE_PCIE_PCI_BRIDGE;
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case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_NONE:
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return 0;
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case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_LAST:
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@ -4457,6 +4459,7 @@ qemuDomainDeviceDefValidateControllerPCI(const virDomainControllerDef *cont,
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_DOWNSTREAM_PORT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCI_EXPANDER_BUS:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_EXPANDER_BUS:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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/* modelName should have been set automatically */
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if (pciopts->modelName == VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_NONE) {
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virReportControllerMissingOption(cont, model, modelName, "modelName");
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@ -4561,6 +4564,13 @@ qemuDomainDeviceDefValidateControllerPCI(const virDomainControllerDef *cont,
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}
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break;
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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if (pciopts->modelName != VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PCIE_PCI_BRIDGE) {
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virReportControllerInvalidValue(cont, model, modelName, "modelName");
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return -1;
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}
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break;
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case VIR_DOMAIN_CONTROLLER_MODEL_PCI_DEFAULT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCI_LAST:
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default:
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@ -4577,6 +4587,7 @@ qemuDomainDeviceDefValidateControllerPCI(const virDomainControllerDef *cont,
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_DOWNSTREAM_PORT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCI_EXPANDER_BUS:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_EXPANDER_BUS:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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if (cont->idx == 0) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
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_("Index for '%s' controllers must be > 0"),
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@ -4638,6 +4649,7 @@ qemuDomainDeviceDefValidateControllerPCI(const virDomainControllerDef *cont,
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case VIR_DOMAIN_CONTROLLER_MODEL_PCI_EXPANDER_BUS:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_EXPANDER_BUS:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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if (pciopts->targetIndex != -1) {
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virReportControllerInvalidOption(cont, model, modelName, "targetIndex");
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return -1;
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@ -4671,6 +4683,7 @@ qemuDomainDeviceDefValidateControllerPCI(const virDomainControllerDef *cont,
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_DOWNSTREAM_PORT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCI_EXPANDER_BUS:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_EXPANDER_BUS:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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if (pciopts->pcihole64 ||
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pciopts->pcihole64size != 0) {
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virReportControllerInvalidOption(cont, model, modelName, "pcihole64");
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@ -4702,6 +4715,7 @@ qemuDomainDeviceDefValidateControllerPCI(const virDomainControllerDef *cont,
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_UPSTREAM_PORT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_DOWNSTREAM_PORT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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if (pciopts->busNr != -1) {
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virReportControllerInvalidOption(cont, model, modelName, "busNr");
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return -1;
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@ -4746,6 +4760,7 @@ qemuDomainDeviceDefValidateControllerPCI(const virDomainControllerDef *cont,
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_UPSTREAM_PORT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_DOWNSTREAM_PORT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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if (pciopts->numaNode != -1) {
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virReportControllerInvalidOption(cont, model, modelName, "numaNode");
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return -1;
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@ -4776,6 +4791,7 @@ qemuDomainDeviceDefValidateControllerPCI(const virDomainControllerDef *cont,
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case VIR_DOMAIN_CONTROLLER_MODEL_PCI_EXPANDER_BUS:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_EXPANDER_BUS:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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if (pciopts->chassisNr != -1) {
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virReportControllerInvalidOption(cont, model, modelName, "chassisNr");
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return -1;
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@ -4810,6 +4826,7 @@ qemuDomainDeviceDefValidateControllerPCI(const virDomainControllerDef *cont,
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case VIR_DOMAIN_CONTROLLER_MODEL_PCI_EXPANDER_BUS:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_EXPANDER_BUS:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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if (pciopts->chassis != -1) {
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virReportControllerInvalidOption(cont, model, modelName, "chassis");
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return -1;
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@ -2171,6 +2171,9 @@ qemuDomainPCIControllerSetDefaultModelName(virDomainControllerDefPtr cont,
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case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE:
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*modelName = VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_I82801B11_BRIDGE;
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break;
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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*modelName = VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PCIE_PCI_BRIDGE;
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break;
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT_PORT:
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/* Use generic PCIe Root Ports if available, falling back to
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* ioh3420 otherwise */
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@ -2582,6 +2585,7 @@ qemuDomainAssignPCIAddresses(virDomainDefPtr def,
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}
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break;
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case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_UPSTREAM_PORT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
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case VIR_DOMAIN_CONTROLLER_MODEL_PCI_DEFAULT:
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