On Fri, Jan 15, 2021 at 05:43:36PM +0530, Vivek Gautam wrote:
> Add info about asid_bits and additional flags to table format
> probing header.
>
> Signed-off-by: Vivek Gautam <vivek.gautam@xxxxxxx>
> Cc: Joerg Roedel <joro@xxxxxxxxxx>
> Cc: Will Deacon <will.deacon@xxxxxxx>
> Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
> Cc: Robin Murphy <robin.murphy@xxxxxxx>
> Cc: Jean-Philippe Brucker <jean-philippe@xxxxxxxxxx>
> Cc: Eric Auger <eric.auger@xxxxxxxxxx>
> Cc: Alex Williamson <alex.williamson@xxxxxxxxxx>
> Cc: Kevin Tian <kevin.tian@xxxxxxxxx>
> Cc: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
> Cc: Liu Yi L <yi.l.liu@xxxxxxxxx>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
> Cc: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@xxxxxxxxxx>
> ---
> include/uapi/linux/virtio_iommu.h | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/include/uapi/linux/virtio_iommu.h b/include/uapi/linux/virtio_iommu.h
> index 43821e33e7af..8a0624bab4b2 100644
> --- a/include/uapi/linux/virtio_iommu.h
> +++ b/include/uapi/linux/virtio_iommu.h
> @@ -169,7 +169,10 @@ struct virtio_iommu_probe_pasid_size {
> struct virtio_iommu_probe_table_format {
> struct virtio_iommu_probe_property head;
> __le16 format;
> - __u8 reserved[2];
> + __le16 asid_bits;
> +
> + __le32 flags;
This struct should only contain the head and format fields. asid and flags
should go in a specialized structure - virtio_iommu_probe_pgt_arm64 in the
latest spec draft, where I dropped the asid_bits field in favor of an
"ASID16" flag.
Thanks,
Jean
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