On Tue, Jul 18, 2023 at 06:55:47AM -0700, Yi Liu wrote: > This adds ioctl for userspace to bind device cdev fd to iommufd. > > VFIO_DEVICE_BIND_IOMMUFD: bind device to an iommufd, hence gain DMA > control provided by the iommufd. open_device > op is called after bind_iommufd op. > > Tested-by: Nicolin Chen <nicolinc@xxxxxxxxxx> > Tested-by: Matthew Rosato <mjrosato@xxxxxxxxxxxxx> > Tested-by: Yanting Jiang <yanting.jiang@xxxxxxxxx> > Tested-by: Shameer Kolothum <shameerali.kolothum.thodi@xxxxxxxxxx> > Tested-by: Terrence Xu <terrence.xu@xxxxxxxxx> > Tested-by: Zhenzhong Duan <zhenzhong.duan@xxxxxxxxx> > Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx> > --- > drivers/vfio/device_cdev.c | 107 +++++++++++++++++++++++++++++++++++++ > drivers/vfio/vfio.h | 13 +++++ > drivers/vfio/vfio_main.c | 5 ++ > include/linux/vfio.h | 5 +- > include/uapi/linux/vfio.h | 27 ++++++++++ > 5 files changed, 155 insertions(+), 2 deletions(-) Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason
