On 1/31/24 22:34, Jonathon Jongsma wrote:
On 1/19/24 10:38 AM, Boris Fiuczynski wrote:
Allow to dump the XML of the persisted mdev when the mdev has been
started instead of the current state only.
Signed-off-by: Boris Fiuczynski <fiuczy@xxxxxxxxxxxxx>
---
docs/manpages/virsh.rst | 7 +++++--
tools/virsh-nodedev.c | 15 ++++++++++++++-
2 files changed, 19 insertions(+), 3 deletions(-)
diff --git a/docs/manpages/virsh.rst b/docs/manpages/virsh.rst
index ed1027e133..3a814dccd2 100644
--- a/docs/manpages/virsh.rst
+++ b/docs/manpages/virsh.rst
@@ -5422,14 +5422,17 @@ nodedev-dumpxml
::
- nodedev-dumpxml [--xpath EXPRESSION] [--wrap] device
+ nodedev-dumpxml [--inactive] [--xpath EXPRESSION] [--wrap] device
Dump a <device> XML representation for the given node device, including
such information as the device name, which bus owns the device, the
vendor and product id, and any capabilities of the device usable by
libvirt (such as whether device reset is supported). *device* can
be either device name or wwn pair in "wwnn,wwpn" format (only works
-for HBA).
+for HBA). An additional option affecting the XML dump may be
+used. *--inactive* tells virsh to dump the node device configuration
+that will be used on next start of the node device as opposed to the
+current node device configuration.
If the **--xpath** argument provides an XPath expression, it will be
evaluated against the output XML and only those matching nodes will
diff --git a/tools/virsh-nodedev.c b/tools/virsh-nodedev.c
index fb38fd7fcc..54e192d619 100644
--- a/tools/virsh-nodedev.c
+++ b/tools/virsh-nodedev.c
@@ -575,6 +575,10 @@ static const vshCmdOptDef
opts_node_device_dumpxml[] = {
.help = N_("device name or wwn pair in 'wwnn,wwpn' format"),
.completer = virshNodeDeviceNameCompleter,
},
+ {.name = "inactive",
+ .type = VSH_OT_BOOL,
+ .help = N_("show inactive defined XML"),
+ },
{.name = "xpath",
.type = VSH_OT_STRING,
.flags = VSH_OFLAG_REQ_OPT,
@@ -594,6 +598,7 @@ cmdNodeDeviceDumpXML(vshControl *ctl, const vshCmd
*cmd)
g_autoptr(virshNodeDevice) device = NULL;
g_autofree char *xml = NULL;
const char *device_value = NULL;
+ unsigned int flags = 0;
bool wrap = vshCommandOptBool(cmd, "wrap");
const char *xpath = NULL;
@@ -608,7 +613,15 @@ cmdNodeDeviceDumpXML(vshControl *ctl, const
vshCmd *cmd)
if (!device)
return false;
- if (!(xml = virNodeDeviceGetXMLDesc(device, 0)))
+ if (vshCommandOptBool(cmd, "inactive")) {
+ flags |= VIR_NODE_DEVICE_GET_XML_DESC_INACTIVE;
+ if (!virNodeDeviceIsPersistent(device)) {
+ vshError(ctl, _("Node device '%1$s' is not persistent"),
device_value);
+ return false;
+ }
I believe you've already handled this within virNodeDeviceGetXMLDesc()
in patch 4. There shouldn't be any need to duplicate that check here.
Without the check in the client the error message looks like this:
# virsh nodedev-dumpxml --inactive
mdev_c60cc60c_c60c_c60c_c60c_c60cc60cc60c_0_0_0008
error: Requested operation is not valid: node device
'mdev_c60cc60c_c60c_c60c_c60c_c60cc60cc60c_0_0_0008' is not persistent
I added the additional check in the virsh client to create a user
friendlier message looking like this:
# virsh nodedev-dumpxml --inactive
mdev_c60cc60c_c60c_c60c_c60c_c60cc60cc60c_0_0_0008
error: Node device 'mdev_c60cc60c_c60c_c60c_c60c_c60cc60cc60c_0_0_0008'
is not persistent
Do you want it removed?
+ }
+
+ if (!(xml = virNodeDeviceGetXMLDesc(device, flags)))
return false;
return virshDumpXML(ctl, xml, "node-device", xpath, wrap);
Reviewed-by: Jonathon Jongsma <jjongsma@xxxxxxxxxx>
Thanks
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--
Mit freundlichen Grüßen/Kind regards
Boris Fiuczynski
IBM Deutschland Research & Development GmbH
Vorsitzender des Aufsichtsrats: Wolfgang Wendt
Geschäftsführung: David Faller
Sitz der Gesellschaft: Böblingen
Registergericht: Amtsgericht Stuttgart, HRB 243294
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