Re: [PATCH v3 0/6] vfio: Make emulated devices prepared for vfio device cdev

[Jason Gunthorpe <jgg@nvidia.com>]

On Mon, Mar 27, 2023 at 02:33:45AM -0700, Yi Liu wrote:
> Nicolin Chen (1):
>   iommufd: Create access in vfio_iommufd_emulated_bind()
> 
> Yi Liu (5):
>   iommu/iommufd: Pass iommufd_ctx pointer in iommufd_get_ioas()
>   vfio-iommufd: No need to record iommufd_ctx in vfio_device
>   vfio-iommufd: Make vfio_iommufd_emulated_bind() return iommufd_access
>     ID
>   vfio/mdev: Uses the vfio emulated iommufd ops set in the mdev sample
>     drivers
>   vfio: Check the presence for iommufd callbacks in
>     __vfio_register_dev()
> 
>  drivers/iommu/iommufd/device.c          | 55 +++++++++++++++----------
>  drivers/iommu/iommufd/ioas.c            | 14 +++----
>  drivers/iommu/iommufd/iommufd_private.h |  4 +-
>  drivers/iommu/iommufd/selftest.c        | 14 ++++---
>  drivers/iommu/iommufd/vfio_compat.c     |  2 +-
>  drivers/vfio/iommufd.c                  | 37 ++++++++---------
>  drivers/vfio/vfio_main.c                |  5 ++-
>  include/linux/iommufd.h                 |  5 ++-
>  include/linux/vfio.h                    |  1 -
>  samples/vfio-mdev/mbochs.c              |  3 ++
>  samples/vfio-mdev/mdpy.c                |  3 ++
>  samples/vfio-mdev/mtty.c                |  3 ++
>  12 files changed, 85 insertions(+), 61 deletions(-)

It looks like most of this is iommufd so I will take it - Ok Alex?

The following cdev patch needs it so I'll stick it on its own branch
and we can sort it out after the reset series is done

Thanls,
Jason