diff options
Diffstat (limited to 'drivers/vfio/mdev/mdev_core.c')
| -rw-r--r-- | drivers/vfio/mdev/mdev_core.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c index ae23151442cb..b558d4cfd082 100644 --- a/drivers/vfio/mdev/mdev_core.c +++ b/drivers/vfio/mdev/mdev_core.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Mediated device Core Driver * * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. * Author: Neo Jia <cjia@nvidia.com> * Kirti Wankhede <kwankhede@nvidia.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> @@ -146,6 +143,8 @@ int mdev_register_device(struct device *dev, const struct mdev_parent_ops *ops) { int ret; struct mdev_parent *parent; + char *env_string = "MDEV_STATE=registered"; + char *envp[] = { env_string, NULL }; /* check for mandatory ops */ if (!ops || !ops->create || !ops->remove || !ops->supported_type_groups) @@ -197,6 +196,8 @@ int mdev_register_device(struct device *dev, const struct mdev_parent_ops *ops) mutex_unlock(&parent_list_lock); dev_info(dev, "MDEV: Registered\n"); + kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp); + return 0; add_dev_err: @@ -220,6 +221,8 @@ EXPORT_SYMBOL(mdev_register_device); void mdev_unregister_device(struct device *dev) { struct mdev_parent *parent; + char *env_string = "MDEV_STATE=unregistered"; + char *envp[] = { env_string, NULL }; mutex_lock(&parent_list_lock); parent = __find_parent_device(dev); @@ -243,6 +246,9 @@ void mdev_unregister_device(struct device *dev) up_write(&parent->unreg_sem); mdev_put_parent(parent); + + /* We still have the caller's reference to use for the uevent */ + kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp); } EXPORT_SYMBOL(mdev_unregister_device); |