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SubjectRE: [PATCH v3 01/17] iommu: Add new iommu op to create domains owned by userspace
Date
> From: Yi Liu <yi.l.liu@intel.com>
> Sent: Monday, July 24, 2023 7:04 PM
>
> + * @domain_alloc_user: allocate a user iommu domain corresponding to
> the input
> + * @hwpt_type that is defined as enum iommu_hwpt_type in the
> + * include/uapi/linux/iommufd.h. A returning domain will be
> + * set to an IOMMU_DOMAIN_NESTED type, upon valid
> @user_data
> + * and @parent that is a kernel-managed domain. Otherwise,
> + * it will be set to an IOMMU_DOMAIN_UNMANAGED type.
> Return
> + * ERR_PTR on allocation failure.

"If @user_data is valid and @parent points to a kernel-managed domain,
the returning domain is set to IOMMU_DOMAIN_NESTED type. Otherwise
it is set to IOMMU_DOMAIN_UNMANAGED type."

Reviewed-by: Kevin Tian <kevin.tian@intel.com>

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