Messages in this thread Patch in this message | | | From | Liu Yi L <> | Subject | [PATCH v2 07/15] iommu/uapi: Add iommu_gpasid_unbind_data | Date | Thu, 11 Jun 2020 05:15:26 -0700 |
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Existing iommu_gpasid_bind_data is used for binding guest page tables to a specified PASID. While for unwind it, a unbind_data structure is needed.
Cc: Kevin Tian <kevin.tian@intel.com> CC: Jacob Pan <jacob.jun.pan@linux.intel.com> Cc: Alex Williamson <alex.williamson@redhat.com> Cc: Eric Auger <eric.auger@redhat.com> Cc: Jean-Philippe Brucker <jean-philippe@linaro.org> Cc: Joerg Roedel <joro@8bytes.org> Cc: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Liu Yi L <yi.l.liu@intel.com> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> --- include/uapi/linux/iommu.h | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h index 02eac73..46a7c57 100644 --- a/include/uapi/linux/iommu.h +++ b/include/uapi/linux/iommu.h @@ -332,6 +332,19 @@ struct iommu_gpasid_bind_data { }; }; +/** + * struct iommu_gpasid_unbind_data - Information about device and guest PASID + * unbinding + * @argsz: User filled size of this data + * @flags: Additional information on guest unbind request + * @pasid: Process address space ID used for the guest mm in host IOMMU + */ +struct iommu_gpasid_unbind_data { + __u32 argsz; + __u64 flags; + __u64 pasid; +}; + struct iommu_nesting_info { __u32 size; __u32 format; -- 2.7.4
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