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Add virtio-scsi disk bus option

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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.
If there is no SCSI controller existed, a new SCSI controller by
model 'virtio-scsi' will be added automatically.

Signed-off-by: ChenHanxiao <chenhanxiao@cn.fujitsu.com>

(crobinso: add Chen to AUTHORS, some cosmetic tweaks)
This commit is contained in:
ChenHanxiao 2012-12-07 18:21:38 +08:00 committed by Cole Robinson
parent b2a7c396de
commit ad1b24e885
2 changed files with 27 additions and 0 deletions
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1
AUTHORS
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@ -85,6 +85,7 @@ Further patches have been submitted by:
Marcus Karlsson <mk-at-acc.umu.se>
Michal Privoznik <mprivozn-at-redhat-dot-com>
Martin Kletzander <mkletzan-at-redhat-dot-com>
ChenHanxiao <chenhanxiao-at-cn-dot-fujitsu-dot-com>
<...send a patch & get your name here...>

26
src/virtManager/addhardware.py
View File

@ -28,6 +28,7 @@ from virtinst import (VirtualCharDevice, VirtualDevice,
VirtualVideoDevice, VirtualWatchdog,
VirtualFilesystem, VirtualSmartCardDevice,
VirtualRedirDevice)
from virtinst.VirtualController import VirtualControllerSCSI
import virtManager.util as util
import virtManager.uihelpers as uihelpers
@ -543,6 +544,8 @@ class vmmAddHardware(vmmGObjectUI):
_("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() or self.conn.is_test_conn():
add_dev("xen", virtinst.VirtualDisk.DEVICE_DISK,
_("Xen virtual disk"))
@ -1154,9 +1157,15 @@ class vmmAddHardware(vmmGObjectUI):
self._dev.get_xml_config()
logging.debug("Adding device:\n" + self._dev.get_xml_config())
controller = getattr(self._dev, "vmm_controller", None)
if controller is not None:
logging.debug("Adding controller:\n%s",
self._dev.vmm_controller.get_xml_config())
# Hotplug device
attach_err = False
try:
if controller is not None:
self.vm.attach_device(self._dev.vmm_controller)
self.vm.attach_device(self._dev)
except Exception, e:
logging.debug("Device could not be hotplugged: %s", str(e))
@ -1179,6 +1188,8 @@ class vmmAddHardware(vmmGObjectUI):
# Alter persistent config
try:
if controller is not None:
self.vm.add_device(self._dev.vmm_controller)
self.vm.add_device(self._dev)
except Exception, e:
self.err.show_err(_("Error adding device: %s" % str(e)))
@ -1224,6 +1235,10 @@ class vmmAddHardware(vmmGObjectUI):
bus, device = self.get_config_disk_target()
cache = self.get_config_disk_cache()
fmt = self.get_config_disk_format()
controller_model = None
if bus == "virtio-scsi":
bus = "scsi"
controller_model = "virtio-scsi"
# Make sure default pool is running
if self.is_default_storage():
@ -1318,6 +1333,17 @@ class vmmAddHardware(vmmGObjectUI):
uihelpers.check_path_search_for_qemu(self.topwin,
self.conn, disk.path)
# Add a SCSI controller with model virtio-scsi if needed
disk.vmm_controller = None
if (controller_model == "virtio-scsi") and (bus == "scsi"):
controllers = self.vm.get_controller_devices()
controller = VirtualControllerSCSI(conn = self.conn.vmm)
controller.set_model(controller_model)
disk.vmm_controller = controller
for d in controllers:
if controller_model == d.model:
disk.vmm_controller = None
self._dev = disk
return True