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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no 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 9DA09C433E0 for ; Mon, 6 Jul 2020 00:30:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 808F220737 for ; Mon, 6 Jul 2020 00:30:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728259AbgGFAaL (ORCPT ); Sun, 5 Jul 2020 20:30:11 -0400 Received: from mga07.intel.com ([134.134.136.100]:32284 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728214AbgGFAaL (ORCPT ); Sun, 5 Jul 2020 20:30:11 -0400 IronPort-SDR: QWFlGMfW8VRyK3F9pTdv6QN3W5kUJSkrN0yYMpBydH4DECJk19ZDY8OWYzu4j7c4JPBad7DGqT 0InHt1rWQ+Lg== X-IronPort-AV: E=McAfee;i="6000,8403,9673"; a="212331317" X-IronPort-AV: E=Sophos;i="5.75,318,1589266800"; d="scan'208";a="212331317" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jul 2020 17:30:10 -0700 IronPort-SDR: Iics2lKfEiEEFtnVFe3qwfMztH0gnI+NifAvr9us7R8JwdBerX7Lw7q/YmSGTB542tYs22Xg/A MOMBvnMoYjiA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,318,1589266800"; d="scan'208";a="266404912" Received: from allen-box.sh.intel.com ([10.239.159.139]) by fmsmga007.fm.intel.com with ESMTP; 05 Jul 2020 17:30:07 -0700 From: Lu Baolu To: iommu@lists.linux-foundation.org Cc: Joerg Roedel , Jacob Pan , Kevin Tian , Ashok Raj , Liu Yi L , linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH v2 0/4] iommu/vt-d: Add prq report and response support Date: Mon, 6 Jul 2020 08:25:31 +0800 Message-Id: <20200706002535.9381-1-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, This series adds page request event reporting and response support to the Intel IOMMU driver. This is necessary when the page requests must be processed by any component other than the vendor IOMMU driver. For example, when a guest page table was bound to a PASID through the iommu_ops->sva_bind_gpasid() api, the page requests should be routed to the guest, and after the page is served, the device should be responded with the result. Your review comments are very appreciated. Best regards, baolu Change log: v1->v2: - v1 posted at https://lkml.org/lkml/2020/6/27/387 - Remove unnecessary pci_get_domain_bus_and_slot() - Return error when sdev == NULL in intel_svm_page_response() Lu Baolu (4): iommu/vt-d: Refactor device_to_iommu() helper iommu/vt-d: Add a helper to get svm and sdev for pasid iommu/vt-d: Report page request faults for guest SVA iommu/vt-d: Add page response ops support drivers/iommu/intel/iommu.c | 56 ++----- drivers/iommu/intel/svm.c | 302 +++++++++++++++++++++++++++--------- include/linux/intel-iommu.h | 6 +- 3 files changed, 248 insertions(+), 116 deletions(-) -- 2.17.1