Enable virt-manager GUI to support add, edit, remove, hot-plug and
hot-unplug of mediated devices (like DASDs, APQNs and PCIs) in virtual
server.
It is not possible to edit MDEV when a virtual server is in
running state, as this is not supported by libvirt.
Signed-off-by: Shalini Chellathurai Saroja <shalini@xxxxxxxxxxxxx>
---
tests/data/testdriver/testdriver.xml | 39 ++++++++++++++++++++++++++++
tests/uitests/test_addhardware.py | 6 +++++
virtManager/addhardware.py | 19 +++++++++++++-
3 files changed, 63 insertions(+), 1 deletion(-)
diff --git a/tests/data/testdriver/testdriver.xml b/tests/data/testdriver/testdriver.xml
index b8d67bac..5875732a 100644
--- a/tests/data/testdriver/testdriver.xml
+++ b/tests/data/testdriver/testdriver.xml
@@ -3645,6 +3645,27 @@ ba</description>
</capability>
</device>
+<device>
+ <name>css_0_0_0023</name>
+ <path>/sys/devices/css0/0.0.0023</path>
+ <parent>computer</parent>
+ <driver>
+ <name>vfio_ccw</name>
+ </driver>
+ <capability type='css'>
+ <cssid>0x0</cssid>
+ <ssid>0x0</ssid>
+ <devno>0x0023</devno>
+ <capability type='mdev_types'>
+ <type id='vfio_ccw-io'>
+ <name>I/O subchannel (Non-QDIO)</name>
+ <deviceAPI>vfio-ccw</deviceAPI>
+ <availableInstances>0</availableInstances>
+ </type>
+ </capability>
+ </capability>
+</device>
+
<device>
<name>mdev_8e37ee90_2b51_45e3_9b25_bf8283c03110</name>
<path>/sys/devices/css0/0.0.0023/8e37ee90-2b51-45e3-9b25-bf8283c03110</path>
@@ -3658,6 +3679,24 @@ ba</description>
</capability>
</device>
+<device>
+ <name>ap_matrix</name>
+ <path>/sys/devices/vfio_ap/matrix</path>
+ <parent>computer</parent>
+ <driver>
+ <name>vfio_ap</name>
+ </driver>
+ <capability type='ap_matrix'>
+ <capability type='mdev_types'>
+ <type id='vfio_ap-passthrough'>
+ <name>VFIO AP Passthrough Device</name>
+ <deviceAPI>vfio-ap</deviceAPI>
+ <availableInstances>65536</availableInstances>
+ </type>
+ </capability>
+ </capability>
+</device>
+
<device>
<name>mdev_11f92c9d_b0b0_4016_b306_a8071277f8b9</name>
<path>/sys/devices/vfio_ap/matrix/11f92c9d-b0b0-4016-b306-a8071277f8b9</path>
diff --git a/tests/uitests/test_addhardware.py b/tests/uitests/test_addhardware.py
index ce3da57c..56acc2fa 100644
--- a/tests/uitests/test_addhardware.py
+++ b/tests/uitests/test_addhardware.py
@@ -459,6 +459,12 @@ def testAddHosts(app):
app.click_alert_button("device is already in use by", "Yes")
lib.utils.check(lambda: details.active)
+ # Add MDEV device
+ _open_addhw(app, details)
+ tab = _select_hw(addhw, "MDEV Host Device", "host-tab")
+ tab.find_fuzzy("mdev_8e37ee90_2b51_45e3_9b25_bf8283c03110",
+ "table cell").click()
+ _finish(addhw, check=details)
def testAddChars(app):
diff --git a/virtManager/addhardware.py b/virtManager/addhardware.py
index cbf19f58..13b899c3 100644
--- a/virtManager/addhardware.py
+++ b/virtManager/addhardware.py
@@ -249,6 +249,10 @@ class vmmAddHardware(vmmGObjectUI):
add_hw_option(_("PCI Host Device"), "system-run", PAGE_HOSTDEV,
nodedev_enabled, nodedev_errstr, "pci")
+ add_hw_option(_("MDEV Host Device"), "system-run", PAGE_HOSTDEV,
+ self.conn.support.conn_nodedev(),
+ _("Connection does not support host device enumeration"),
+ "mdev")
add_hw_option(_("Video"), "video-display", PAGE_VIDEO, True,
_("Libvirt version does not support video devices."))
add_hw_option(_("Watchdog"), "device_pci", PAGE_WATCHDOG,
@@ -656,6 +660,9 @@ class vmmAddHardware(vmmGObjectUI):
(dehex(hostdev.domain), dehex(hostdev.bus),
dehex(hostdev.slot), dehex(hostdev.function)))
+ elif hostdev.uuid:
+ label += " %s" % (str(hostdev.uuid))
+
return label
@@ -775,6 +782,12 @@ class vmmAddHardware(vmmGObjectUI):
if dev.xmlobj.name == subdev.xmlobj.parent:
prettyname += " (%s)" % subdev.pretty_name()
+ if devtype == "mdev":
+ for parentdev in self.conn.list_nodedevs():
+ if dev.xmlobj.parent == parentdev.xmlobj.name:
+ prettyname = "%s %s" % (
+ parentdev.pretty_name(), prettyname)
+
model.append([dev.xmlobj, prettyname])
if len(model) == 0:
@@ -981,11 +994,13 @@ class vmmAddHardware(vmmGObjectUI):
if page == PAGE_HOSTDEV:
# Need to do this here, since we share the hostdev page
- # between two different HW options
+ # between different HW options
row = self._get_hw_selection()
devtype = "usb_device"
if row and row[5] == "pci":
devtype = "pci"
+ if row and row[5] == "mdev":
+ devtype = "mdev"
self._populate_hostdev_model(devtype)
if page == PAGE_CONTROLLER:
@@ -1036,6 +1051,8 @@ class vmmAddHardware(vmmGObjectUI):
row = self._get_hw_selection()
if row and row[5] == "pci":
return _("PCI Device")
+ if row and row[5] == "mdev":
+ return _("MDEV Device")
return _("USB Device")
raise RuntimeError("Unknown page %s" % page) # pragma: no cover
--
2.30.2
