From: Boris Fiuczynski <fiuczy@linux.ibm.com>
Date: Fri, 30 Jun 2023 11:34:00 +0000 (+0200)
Subject: nodedev: transient mdev update on nodeDeviceCreateXML
X-Git-Tag: v9.6.0-rc1~87
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=37481aa1f15ece6b187b8fa219966f77648c813d;p=thirdparty%2Flibvirt.git

nodedev: transient mdev update on nodeDeviceCreateXML

Update the optional mdev attributes by running an mdevctl update on a
new created nodedev object representing an mdev.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2143158
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Jonathon Jongsma <jjongsma@redhat.com>
---

diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c
index 960f3fd942..9211865353 100644
--- a/src/node_device/node_device_udev.c
+++ b/src/node_device/node_device_udev.c
@@ -1765,12 +1765,20 @@ nodeStateCleanup(void)
 static int
 udevHandleOneDevice(struct udev_device *device)
 {
+    virNodeDevCapType dev_cap_type;
     const char *action = udev_device_get_action(device);
 
     VIR_DEBUG("udev action: '%s': %s", action, udev_device_get_syspath(device));
 
-    if (STREQ(action, "add") || STREQ(action, "change"))
-        return udevAddOneDevice(device);
+    if (STREQ(action, "add") || STREQ(action, "change")) {
+        int ret = udevAddOneDevice(device);
+        if (ret == 0 &&
+            udevGetDeviceType(device, &dev_cap_type) == 0 &&
+            dev_cap_type == VIR_NODE_DEV_CAP_MDEV)
+            if (nodeDeviceUpdateMediatedDevices() < 0)
+                VIR_WARN("mdevctl failed to update mediated devices");
+        return ret;
+    }
 
     if (STREQ(action, "remove"))
         return udevRemoveOneDevice(device);