On Mon, Feb 27, 2023 at 03:11:19AM -0800, Yi Liu wrote: > This makes the vfio file kAPIs to accepte vfio device files, also a > preparation for vfio device cdev support. > > For the kvm set with vfio device file, kvm pointer is stored in struct > vfio_device_file, and use kvm_ref_lock to protect kvm set and kvm > pointer usage within VFIO. This kvm pointer will be set to vfio_device > after device file is bound to iommufd in the cdev path. > > Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx> > Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx> > --- > drivers/vfio/vfio.h | 2 ++ > drivers/vfio/vfio_main.c | 42 +++++++++++++++++++++++++++++++++++++--- > 2 files changed, 41 insertions(+), 3 deletions(-) Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason