libvirt/SOURCES/libvirt-nodedev-transient-m...

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From d993cec578f2bbb121dcacea6728cf34da14e62e Mon Sep 17 00:00:00 2001
Message-ID: <d993cec578f2bbb121dcacea6728cf34da14e62e.1689602377.git.jdenemar@redhat.com>
From: Boris Fiuczynski <fiuczy@linux.ibm.com>
Date: Fri, 30 Jun 2023 13:34:00 +0200
Subject: [PATCH] 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>
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2143158
(cherry picked from commit 37481aa1f15ece6b187b8fa219966f77648c813d)
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
---
src/node_device/node_device_udev.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c
index 4c37ec3189..fce4212728 100644
--- a/src/node_device/node_device_udev.c
+++ b/src/node_device/node_device_udev.c
@@ -1757,12 +1757,20 @@ 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);
--
2.41.0