diff options
| -rw-r--r-- | drivers/iommu/iommufd/hw_pagetable.c | 4 | ||||
| -rw-r--r-- | include/uapi/linux/iommufd.h | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/iommu/iommufd/hw_pagetable.c b/drivers/iommu/iommufd/hw_pagetable.c index 8b3d2875d642..dd50ca9e2c09 100644 --- a/drivers/iommu/iommufd/hw_pagetable.c +++ b/drivers/iommu/iommufd/hw_pagetable.c @@ -157,7 +157,9 @@ int iommufd_hwpt_alloc(struct iommufd_ucmd *ucmd) struct iommufd_ioas *ioas; int rc; - if ((cmd->flags & (~IOMMU_HWPT_ALLOC_NEST_PARENT)) || cmd->__reserved) + if ((cmd->flags & ~(IOMMU_HWPT_ALLOC_NEST_PARENT | + IOMMU_HWPT_ALLOC_DIRTY_TRACKING)) || + cmd->__reserved) return -EOPNOTSUPP; idev = iommufd_get_device(ucmd, cmd->dev_id); diff --git a/include/uapi/linux/iommufd.h b/include/uapi/linux/iommufd.h index be7a95042677..c76248410120 100644 --- a/include/uapi/linux/iommufd.h +++ b/include/uapi/linux/iommufd.h @@ -351,9 +351,12 @@ struct iommu_vfio_ioas { * enum iommufd_hwpt_alloc_flags - Flags for HWPT allocation * @IOMMU_HWPT_ALLOC_NEST_PARENT: If set, allocate a HWPT that can serve as * the parent HWPT in a nesting configuration. + * @IOMMU_HWPT_ALLOC_DIRTY_TRACKING: Dirty tracking support for device IOMMU is + * enforced on device attachment */ enum iommufd_hwpt_alloc_flags { IOMMU_HWPT_ALLOC_NEST_PARENT = 1 << 0, + IOMMU_HWPT_ALLOC_DIRTY_TRACKING = 1 << 1, }; /** |