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[virt-tools-list] [virt-manager] Add virtio-scsi disk bus option



From: ChenHanxiao <chenhanxiao cn fujitsu com>

This patch will add virtio-scsi bus option on "Add New Virtual
Hardware" GUI page. It will support users to add a virtual disk
using SCSI bus with a controller model virtio-scsi.
In virt-manager, we will provide virtio-scsi disk XML for libvirt:

<disk type='block' device='disk'>
  <driver name='qemu'/>
  <source dev='/dev/sdb'/>
  <target dev='sda' bus='scsi' model='virtio-scsi'/>
</disk>

We provided tag 'model' for libvirt to determine which SCSI
controller model to use.

Signed-off-by: ChenHanxiao <chenhanxiao cn fujitsu com>
---
 src/virtManager/addhardware.py |    7 +++++++
 src/virtManager/details.py     |    6 +++++-
 2 files changed, 12 insertions(+), 1 deletions(-)

diff --git a/src/virtManager/addhardware.py b/src/virtManager/addhardware.py
index 4d894eb..9a7602c 100644
--- a/src/virtManager/addhardware.py
+++ b/src/virtManager/addhardware.py
@@ -539,6 +539,8 @@ class vmmAddHardware(vmmGObjectUI):
         if self.vm.get_hv_type() == "kvm":
             add_dev("sata", virtinst.VirtualDisk.DEVICE_DISK, "SATA disk")
             add_dev("virtio", virtinst.VirtualDisk.DEVICE_DISK, "Virtio disk")
+            add_dev("virtio-scsi", virtinst.VirtualDisk.DEVICE_DISK, 
+                "Virtio-scsi disk")
         if self.conn.is_xen():
             add_dev("xen", virtinst.VirtualDisk.DEVICE_DISK, "Virtual disk")
 
@@ -1222,6 +1224,10 @@ class vmmAddHardware(vmmGObjectUI):
         bus, device = self.get_config_disk_target()
         cache = self.get_config_disk_cache()
         fmt = self.get_config_disk_format()
+        model = None
+        if bus == "virtio-scsi":
+           bus = "scsi"
+           model = "virtio-scsi"
 
         # Make sure default pool is running
         if self.is_default_storage():
@@ -1271,6 +1277,7 @@ class vmmAddHardware(vmmGObjectUI):
                                         device=device,
                                         bus=bus,
                                         driverCache=cache,
+                                        model=model,
                                         format=fmt)
 
             if not fmt:
diff --git a/src/virtManager/details.py b/src/virtManager/details.py
index d20e748..0e86648 100644
--- a/src/virtManager/details.py
+++ b/src/virtManager/details.py
@@ -2219,7 +2219,11 @@ class vmmDetails(vmmGObjectUI):
             if bus == "spapr-vscsi":
                 bus = "scsi"
                 addr = "spapr-vio"
-            add_define(self.vm.define_disk_bus, dev_id_info, bus, addr)
+            if bus == "virtio-scsi":
+                bus = "scsi"
+                model = "virtio-scsi"
+            add_define(self.vm.define_disk_bus, dev_id_info, bus, 
+                addr, model)
 
         return self._change_config_helper(df, da, hf, ha)
 
-- 
1.7.1


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