vfio: Move vfio_iommu_group_get() to vfio_register_group_dev()

We don't need to hold a reference to the group in the driver as well as
obtain a reference to the same group as the first thing
vfio_register_group_dev() does.

Since the drivers never use the group move this all into the core code.

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210924155705.4258-2-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Jason Gunthorpe 2021-09-24 17:56:51 +02:00 committed by Alex Williamson
parent 5816b3e657
commit 38a68934aa
5 changed files with 19 additions and 63 deletions

View file

@ -71,9 +71,6 @@ struct vfio_device_ops {
int (*match)(struct vfio_device *vdev, char *buf);
};
extern struct iommu_group *vfio_iommu_group_get(struct device *dev);
extern void vfio_iommu_group_put(struct iommu_group *group, struct device *dev);
void vfio_init_group_dev(struct vfio_device *device, struct device *dev,
const struct vfio_device_ops *ops);
void vfio_uninit_group_dev(struct vfio_device *device);