RE: [PATCH V10 02/11] iommu/uapi: Define a mask for bind data

[Tian, Kevin]

> From: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
> Sent: Saturday, March 21, 2020 7:28 AM
> 
> Memory type related flags can be grouped together for one simple check.
> 
> ---
> v9 renamed from EMT to MTS since these are memory type support flags.
> ---
> 
> Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
> ---
>  include/uapi/linux/iommu.h | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h
> index 4ad3496e5c43..d7bcbc5f79b0 100644
> --- a/include/uapi/linux/iommu.h
> +++ b/include/uapi/linux/iommu.h
> @@ -284,7 +284,10 @@ struct iommu_gpasid_bind_data_vtd {
>  	__u32 pat;
>  	__u32 emt;
>  };
> -
> +#define IOMMU_SVA_VTD_GPASID_MTS_MASK
> 	(IOMMU_SVA_VTD_GPASID_CD | \
> +					 IOMMU_SVA_VTD_GPASID_EMTE | \
> +					 IOMMU_SVA_VTD_GPASID_PCD |  \
> +					 IOMMU_SVA_VTD_GPASID_PWT)
>  /**
>   * struct iommu_gpasid_bind_data - Information about device and guest
> PASID binding
>   * @version:	Version of this data structure
> --
> 2.7.4

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>