Re: [PATCH RFC v1 09/15] iommu/virtio: Update table format probing header
From: Jean-Philippe Brucker <hidden>
Date: 2021-03-03 20:55:26
Also in:
linux-iommu, lkml, virtualization
On Fri, Jan 15, 2021 at 05:43:36PM +0530, Vivek Gautam wrote:
quoted hunk ↗ jump to hunk
Add info about asid_bits and additional flags to table format probing header. Signed-off-by: Vivek Gautam <redacted> Cc: Joerg Roedel <joro@8bytes.org> Cc: Will Deacon <redacted> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Robin Murphy <robin.murphy@arm.com> Cc: Jean-Philippe Brucker <redacted> Cc: Eric Auger <eric.auger@redhat.com> Cc: Alex Williamson <redacted> Cc: Kevin Tian <kevin.tian@intel.com> Cc: Jacob Pan <redacted> Cc: Liu Yi L <redacted> Cc: Lorenzo Pieralisi <redacted> Cc: Shameerali Kolothum Thodi <redacted> --- 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel