Re: [PATCH v5 03/19] vfio: Accept vfio device file in the KVM facing kAPI

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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



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