qemu: add virtio-scsi controller model

Adding a new model for virtio-scsi roughly follows the same scheme
as the previous patch.
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

docs/formatdomain.html.in

@@ -1658,7 +1658,7 @@
       control how many devices can be connected through the
       controller.  A "scsi" controller has an optional
       attribute <code>model</code>, which is one of "auto", "buslogic",
-      "ibmvscsi", "lsilogic", "lsias1068", or "vmpvscsi".
+      "ibmvscsi", "lsilogic", "lsias1068", "virtio-scsi" or "vmpvscsi".
       A "usb" controller has an optional attribute <code>model</code>,
       which is one of "piix3-uhci", "piix4-uhci", "ehci",
       "ich9-ehci1", "ich9-uhci1", "ich9-uhci2", "ich9-uhci3",

docs/schemas/domaincommon.rng

@@ -1121,6 +1121,7 @@
             <value>lsisas1068</value>
             <value>vmpvscsi</value>
             <value>ibmvscsi</value>
+            <value>virtio-scsi</value>
             <value>piix3-uhci</value>
             <value>piix4-uhci</value>
             <value>ehci</value>

src/conf/domain_conf.c

@@ -239,7 +239,8 @@ VIR_ENUM_IMPL(virDomainControllerModelSCSI, VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LAS
               "lsilogic",
               "lsisas1068",
               "vmpvscsi",
-              "ibmvscsi");
+              "ibmvscsi",
+              "virtio-scsi");
 
 VIR_ENUM_IMPL(virDomainControllerModelUSB, VIR_DOMAIN_CONTROLLER_MODEL_USB_LAST,
               "piix3-uhci",

src/conf/domain_conf.h

@@ -453,6 +453,7 @@ enum virDomainControllerModelSCSI {
     VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSISAS1068,
     VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VMPVSCSI,
     VIR_DOMAIN_CONTROLLER_MODEL_SCSI_IBMVSCSI,
+    VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI,
 
     VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LAST
 };

src/qemu/qemu_command.c

@@ -2375,6 +2375,9 @@ qemuBuildControllerDevStr(virDomainDefPtr domainDef,
             model = qemuDefaultScsiControllerModel(domainDef);
         }
         switch (model) {
+        case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI:
+            virBufferAddLit(&buf, "virtio-scsi-pci");
+            break;
         case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC:
             virBufferAddLit(&buf, "lsi");
             break;

src/vmx/vmx.c

@@ -491,7 +491,8 @@ VIR_ENUM_IMPL(virVMXControllerModelSCSI, VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LAST,
               "lsilogic",
               "lsisas1068",
               "pvscsi",
-              "UNUSED ibmvscsi");
+              "UNUSED ibmvscsi",
+              "UNUSED virtio-scsi");