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: Paolo Bonzini <pbonzini@redhat.com>

docs/formatdomain.html.in

@@ -1542,7 +1542,7 @@
       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

@@ -1082,6 +1082,7 @@
             <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

@@ -235,7 +235,8 @@ 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

@@ -423,6 +423,7 @@ 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

@@ -2302,6 +2302,9 @@ qemuBuildControllerDevStr(virDomainDefPtr domainDef,
             }
         }
         switch (model) {
+        case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI:
+            virBufferAddLit(&buf, "virtio-scsi");
+            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");
 
 
 

tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-virtio-scsi.args

@@ -0,0 +1,9 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M \
+pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults -monitor \
+unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -device \
+virtio-scsi,id=scsi0,bus=pci.0,addr=0x3 -drive file=/dev/HostVG/QEMUGuest1,\
+if=none,id=drive-ide0-0-0 -device ide-drive,bus=ide.0,unit=0,\
+drive=drive-ide0-0-0,id=ide0-0-0 -drive file=/tmp/scsidisk.img,if=none,\
+id=drive-scsi0-0-0 -device scsi-disk,bus=scsi0.0,scsi-id=0,\
+drive=drive-scsi0-0-0,id=scsi0-0-0 -usb -device virtio-balloon-pci,\
+id=balloon0,bus=pci.0,addr=0x4

tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-virtio-scsi.xml

@@ -0,0 +1,31 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory>219136</memory>
+  <currentMemory>219136</currentMemory>
+  <vcpu>1</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu</emulator>
+    <disk type='block' device='disk'>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='hda' bus='ide'/>
+      <address type='drive' controller='0' bus='0' unit='0'/>
+    </disk>
+    <disk type='file' device='disk'>
+      <source file='/tmp/scsidisk.img'/>
+      <target dev='sda' bus='scsi'/>
+      <address type='drive' controller='0' bus='0' unit='0'/>
+    </disk>
+    <controller type='ide' index='0'/>
+    <controller type='scsi' index='0' model='virtio-scsi'/>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>

tests/qemuxml2argvtest.c

@@ -431,6 +431,8 @@ mymain(void)
             QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG);
     DO_TEST("disk-scsi-vscsi", false,
             QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG);
+    DO_TEST("disk-scsi-virtio-scsi", false,
+            QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG);
     DO_TEST("disk-sata-device", false,
             QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE,
             QEMU_CAPS_NODEFCONFIG, QEMU_CAPS_ICH9_AHCI);

tests/qemuxml2xmltest.c

@@ -140,6 +140,7 @@ mymain(void)
     DO_TEST("disk-drive-cache-v1-none");
     DO_TEST("disk-scsi-device");
     DO_TEST("disk-scsi-vscsi");
+    DO_TEST("disk-scsi-virtio-scsi");
     DO_TEST("graphics-listen-network");
     DO_TEST("graphics-vnc");
     DO_TEST("graphics-vnc-sasl");