diff options
| author | Yi Liu <yi.l.liu@intel.com> | 2025-03-21 10:19:36 -0700 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2025-03-25 10:18:31 -0300 |
| commit | dbc5f37b4f8ad833132f77c1f67e68bb11ca9b9e (patch) | |
| tree | 838b64b607b1cc7a180e3f270554025e54ac0aeb /include/uapi/linux | |
| parent | ce15c13e7a1423cf418f825d33ab1747b151cfd6 (diff) | |
iommufd: Allow allocating PASID-compatible domain
The underlying infrastructure has supported the PASID attach and related
enforcement per the requirement of the IOMMU_HWPT_ALLOC_PASID flag. This
extends iommufd to support PASID compatible domain requested by userspace.
Link: https://patch.msgid.link/r/20250321171940.7213-15-yi.l.liu@intel.com
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/iommufd.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/iommufd.h b/include/uapi/linux/iommufd.h index 8719d4f5d618..6901804ec736 100644 --- a/include/uapi/linux/iommufd.h +++ b/include/uapi/linux/iommufd.h @@ -393,6 +393,9 @@ struct iommu_vfio_ioas { * Any domain attached to the non-PASID part of the * device must also be flagged, otherwise attaching a * PASID will blocked. + * For the user that wants to attach PASID, ioas is + * not recommended for both the non-PASID part + * and PASID part of the device. * If IOMMU does not support PASID it will return * error (-EOPNOTSUPP). */ |