Re: [PATCH V1 mlx5-next 13/13] vfio/mlx5: Trap device RESET and update state accordingly

[Jason Gunthorpe <jgg@nvidia.com>]

On Wed, Oct 13, 2021 at 12:47:07PM +0300, Yishai Hadas wrote:
> Trap device RESET and update state accordingly, it's done by registering
> the matching callbacks.
> 
> Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
>  drivers/vfio/pci/mlx5/main.c | 17 ++++++++++++++++-
>  1 file changed, 16 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/vfio/pci/mlx5/main.c b/drivers/vfio/pci/mlx5/main.c
> index e36302b444a6..8fe44ed13552 100644
> +++ b/drivers/vfio/pci/mlx5/main.c
> @@ -613,6 +613,19 @@ static const struct vfio_device_ops mlx5vf_pci_ops = {
>  	.match = vfio_pci_core_match,
>  };
>  
> +static void mlx5vf_reset_done(struct vfio_pci_core_device *core_vdev)
> +{
> +	struct mlx5vf_pci_core_device *mvdev = container_of(
> +			core_vdev, struct mlx5vf_pci_core_device,
> +			core_device);
> +
> +	mvdev->vmig.vfio_dev_state = VFIO_DEVICE_STATE_RUNNING;

This should hold the state mutex too

Jason