From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB622C4CECF for ; Mon, 23 Sep 2019 20:31:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8878F20673 for ; Mon, 23 Sep 2019 20:31:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2502642AbfIWUbD (ORCPT ); Mon, 23 Sep 2019 16:31:03 -0400 Received: from mga09.intel.com ([134.134.136.24]:30585 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2502627AbfIWUbD (ORCPT ); Mon, 23 Sep 2019 16:31:03 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Sep 2019 13:31:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,541,1559545200"; d="scan'208";a="363749806" Received: from araj-mobl1.jf.intel.com ([10.24.10.67]) by orsmga005.jf.intel.com with ESMTP; 23 Sep 2019 13:31:02 -0700 Date: Mon, 23 Sep 2019 13:31:02 -0700 From: "Raj, Ashok" To: Lu Baolu Cc: Joerg Roedel , David Woodhouse , Alex Williamson , sanjay.k.kumar@intel.com, jacob.jun.pan@linux.intel.com, kevin.tian@intel.com, yi.l.liu@intel.com, yi.y.sun@intel.com, iommu@lists.linux-foundation.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Yi Sun , Ashok Raj Subject: Re: [RFC PATCH 2/4] iommu/vt-d: Add first level page table interfaces Message-ID: <20190923203102.GB21816@araj-mobl1.jf.intel.com> References: <20190923122454.9888-1-baolu.lu@linux.intel.com> <20190923122454.9888-3-baolu.lu@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190923122454.9888-3-baolu.lu@linux.intel.com> User-Agent: Mutt/1.9.1 (2017-09-22) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 23, 2019 at 08:24:52PM +0800, Lu Baolu wrote: > This adds functions to manipulate first level page tables > which could be used by a scalale mode capable IOMMU unit. s/scalale/scalable > > intel_mmmap_range(domain, addr, end, phys_addr, prot) Maybe think of a different name..? mmmap seems a bit weird :-) > - Map an iova range of [addr, end) to the physical memory > started at @phys_addr with the @prot permissions. > > intel_mmunmap_range(domain, addr, end) > - Tear down the map of an iova range [addr, end). A page > list will be returned which will be freed after iotlb > flushing. > > Cc: Ashok Raj > Cc: Jacob Pan > Cc: Kevin Tian > Cc: Liu Yi L > Cc: Yi Sun > Signed-off-by: Lu Baolu