diff options
| author | Jason Gunthorpe <jgg@nvidia.com> | 2021-04-06 16:40:29 -0300 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2021-04-07 15:39:17 -0600 |
| commit | a9f8111d0b5f445d853345e6917c1781573e4ba9 (patch) | |
| tree | be45a0d1ab2ba79c501eb3fe2d8cff05a12d09e2 /drivers/vfio/mdev/mdev_private.h | |
| parent | 417fd5bf242d7691c15fe0bd705ab76c69276572 (diff) | |
| download | linux-a9f8111d0b5f445d853345e6917c1781573e4ba9.tar.gz linux-a9f8111d0b5f445d853345e6917c1781573e4ba9.tar.bz2 linux-a9f8111d0b5f445d853345e6917c1781573e4ba9.zip | |
vfio/mdev: Expose mdev_get/put_parent to mdev_private.h
The next patch will use these in mdev_sysfs.c
While here remove the now dead code checks for NULL, a mdev_type can never
have a NULL parent.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Message-Id: <6-v2-d36939638fc6+d54-vfio2_jgg@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio/mdev/mdev_private.h')
| -rw-r--r-- | drivers/vfio/mdev/mdev_private.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/vfio/mdev/mdev_private.h b/drivers/vfio/mdev/mdev_private.h index f12e34e16ab9..fddab240ccc3 100644 --- a/drivers/vfio/mdev/mdev_private.h +++ b/drivers/vfio/mdev/mdev_private.h @@ -46,4 +46,16 @@ void mdev_remove_sysfs_files(struct mdev_device *mdev); int mdev_device_create(struct mdev_type *kobj, const guid_t *uuid); int mdev_device_remove(struct mdev_device *dev); +void mdev_release_parent(struct kref *kref); + +static inline void mdev_get_parent(struct mdev_parent *parent) +{ + kref_get(&parent->ref); +} + +static inline void mdev_put_parent(struct mdev_parent *parent) +{ + kref_put(&parent->ref, mdev_release_parent); +} + #endif /* MDEV_PRIVATE_H */ |