| Message ID | 20190902042436.23294-5-parav@mellanox.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Introduce variable length mdev alias | expand |
On Sun, 1 Sep 2019 23:24:35 -0500 Parav Pandit <parav@mellanox.com> wrote: > Introduce an API mdev_alias() to provide access to optionally generated > alias. > > Signed-off-by: Parav Pandit <parav@mellanox.com> > --- > drivers/vfio/mdev/mdev_core.c | 12 ++++++++++++ > include/linux/mdev.h | 1 + > 2 files changed, 13 insertions(+) Reviewed-by: Cornelia Huck <cohuck@redhat.com>
diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c index c8cd40366783..9eec556fbdd4 100644 --- a/drivers/vfio/mdev/mdev_core.c +++ b/drivers/vfio/mdev/mdev_core.c @@ -517,6 +517,18 @@ struct device *mdev_get_iommu_device(struct device *dev) } EXPORT_SYMBOL(mdev_get_iommu_device); +/** + * mdev_alias: Return alias string of a mdev device + * @mdev: Pointer to the mdev device + * mdev_alias() returns alias string of a mdev device if alias is present, + * returns NULL otherwise. + */ +const char *mdev_alias(struct mdev_device *mdev) +{ + return mdev->alias; +} +EXPORT_SYMBOL(mdev_alias); + static int __init mdev_init(void) { int ret; diff --git a/include/linux/mdev.h b/include/linux/mdev.h index f036fe9854ee..6da82213bc4e 100644 --- a/include/linux/mdev.h +++ b/include/linux/mdev.h @@ -148,5 +148,6 @@ void mdev_unregister_driver(struct mdev_driver *drv); struct device *mdev_parent_dev(struct mdev_device *mdev); struct device *mdev_dev(struct mdev_device *mdev); struct mdev_device *mdev_from_dev(struct device *dev); +const char *mdev_alias(struct mdev_device *mdev); #endif /* MDEV_H */
Introduce an API mdev_alias() to provide access to optionally generated alias. Signed-off-by: Parav Pandit <parav@mellanox.com> --- drivers/vfio/mdev/mdev_core.c | 12 ++++++++++++ include/linux/mdev.h | 1 + 2 files changed, 13 insertions(+)