On 3/3/21 10:51 PM, Jean-Philippe Brucker wrote:
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 <[email protected]>
Cc: Joerg Roedel <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: Michael S. Tsirkin <[email protected]>
Cc: Robin Murphy <[email protected]>
Cc: Jean-Philippe Brucker <[email protected]>
Cc: Eric Auger <[email protected]>
Cc: Alex Williamson <[email protected]>
Cc: Kevin Tian <[email protected]>
Cc: Jacob Pan <[email protected]>
Cc: Liu Yi L <[email protected]>
Cc: Lorenzo Pieralisi <[email protected]>
Cc: Shameerali Kolothum Thodi <[email protected]>
---
  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.

Right, will take care of this looking at the spec draft.

Best regards
Vivek


Thanks,
Jean

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