From: Yi Liu yi.l.liu@intel.com Sent: Thursday, May 11, 2023 10:39 PM
@@ -66,6 +66,9 @@ struct iommu_domain_geometry {
#define __IOMMU_DOMAIN_SVA (1U << 4) /* Shared process address space */
+#define __IOMMU_DOMAIN_NESTED (1U << 5) /* User-managed IOVA nested on
a stage-2 translation */
s/IOVA/address space/
@@ -346,6 +350,10 @@ struct iommu_ops {
- @iotlb_sync_map: Sync mappings created recently using @map to the
hardware
- @iotlb_sync: Flush all queued ranges from the hardware TLBs and empty
flush
queue
- @cache_invalidate_user: Flush hardware TLBs caching user space IO
mappings
- @cache_invalidate_user_data_len: Defined length of input user data for
the
cache_invalidate_user op, being sizeof the
structure in include/uapi/linux/iommufd.h
same as comment to last patch, can this be merged with @hw_info?