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- pin mapped operation descriptor buffers during task submission - get operation descriptors handle from user and pass its IOVA to engine - pin API returns IOVA for given mem handle - unpin operation descriptors buffers in task cleanup Jira DLA-93 Change-Id: I78fb22301ab472685c3bae7c424d75140b814887 Signed-off-by: Shridhar Rasal <srasal@nvidia.com> Reviewed-on: http://git-master/r/1213761 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Prashant Gaikwad <pgaikwad@nvidia.com> GVS: Gerrit_Virtual_Submit