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 7D099C18E5B for ; Tue, 17 Mar 2020 07:05:18 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 39A6620719 for ; Tue, 17 Mar 2020 07:05:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 39A6620719 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 09A20884E0; Tue, 17 Mar 2020 07:05:18 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1xY4yzLPOE2v; Tue, 17 Mar 2020 07:05:16 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id 9CA3688300; Tue, 17 Mar 2020 07:05:16 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 8287AC18DA; Tue, 17 Mar 2020 07:05:16 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id D22FCC013E for ; Tue, 17 Mar 2020 07:05:14 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id C0C7688B15 for ; Tue, 17 Mar 2020 07:05:14 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2cQifdE-WC6o for ; Tue, 17 Mar 2020 07:05:13 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by hemlock.osuosl.org (Postfix) with ESMTPS id 9128188B10 for ; Tue, 17 Mar 2020 07:05:13 +0000 (UTC) IronPort-SDR: GS+SzL7i1WKsbkN85Rioef8yn1MTdIcSgS8msgVn6wCg9d3LMG6o4JU+dQO6xaqOzfTO5ZJqgE xzYTlj4zoEuQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Mar 2020 00:05:13 -0700 IronPort-SDR: KhH0qzyCLlOIhb6zL/i+bFFfzSMHbL5pW7UQ5Cyeq1zAAFRVlKtusqJvUdomuIuad2W5jPRi87 mMiVXz9o5iwg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,563,1574150400"; d="scan'208";a="267867281" Received: from allen-box.sh.intel.com ([10.239.159.139]) by fmsmga004.fm.intel.com with ESMTP; 17 Mar 2020 00:05:10 -0700 From: Lu Baolu To: Joerg Roedel Subject: [PATCH 0/5] iommu/vt-d: Add page request draining support Date: Tue, 17 Mar 2020 15:02:24 +0800 Message-Id: <20200317070229.21131-1-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.17.1 Cc: kevin.tian@intel.com, ashok.raj@intel.com, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" When a PASID is stopped or terminated, there can be pending PRQs (requests that haven't received responses) in remapping hardware. VT-d driver must drain the pending page requests so that the pasid could be reused. The register level interface for page request draining is defined in 7.11 of the VT-d spec. This series adds the support for page requests draining. This functionality was mainly developed and tested by Jacob Pan Liu Yi L . Thanks a lot. Please help to review. Best regards, baolu Jacob Pan (1): iommu/vt-d: Add page request draining support Lu Baolu (4): iommu/vt-d: Add get_domain_info() helper iommu/vt-d: Refactor parameters for qi_submit_sync() iommu/vt-d: Multiple descriptors per qi_submit_sync() iommu/vt-d: Refactor prq_event_thread() drivers/iommu/dmar.c | 50 ++++--- drivers/iommu/intel-iommu.c | 38 +++-- drivers/iommu/intel-pasid.c | 16 +-- drivers/iommu/intel-svm.c | 207 ++++++++++++++++++++++++---- drivers/iommu/intel_irq_remapping.c | 2 +- include/linux/intel-iommu.h | 9 +- 6 files changed, 258 insertions(+), 64 deletions(-) -- 2.17.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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 33335C10F29 for ; Tue, 17 Mar 2020 07:05:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F3B5020719 for ; Tue, 17 Mar 2020 07:05:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725906AbgCQHFN (ORCPT ); Tue, 17 Mar 2020 03:05:13 -0400 Received: from mga12.intel.com ([192.55.52.136]:56620 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725536AbgCQHFN (ORCPT ); Tue, 17 Mar 2020 03:05:13 -0400 IronPort-SDR: 1p1AfAsjooOPLpi+Gf+1K9YNzGPcaUVy9lu2niqrf/TB94YxllO32y9i4/ER/mi6PaJG5P9Cny YEev4YLsBvQg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Mar 2020 00:05:13 -0700 IronPort-SDR: KhH0qzyCLlOIhb6zL/i+bFFfzSMHbL5pW7UQ5Cyeq1zAAFRVlKtusqJvUdomuIuad2W5jPRi87 mMiVXz9o5iwg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,563,1574150400"; d="scan'208";a="267867281" Received: from allen-box.sh.intel.com ([10.239.159.139]) by fmsmga004.fm.intel.com with ESMTP; 17 Mar 2020 00:05:10 -0700 From: Lu Baolu To: Joerg Roedel Cc: ashok.raj@intel.com, jacob.jun.pan@linux.intel.com, Liu Yi L , kevin.tian@intel.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH 0/5] iommu/vt-d: Add page request draining support Date: Tue, 17 Mar 2020 15:02:24 +0800 Message-Id: <20200317070229.21131-1-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 When a PASID is stopped or terminated, there can be pending PRQs (requests that haven't received responses) in remapping hardware. VT-d driver must drain the pending page requests so that the pasid could be reused. The register level interface for page request draining is defined in 7.11 of the VT-d spec. This series adds the support for page requests draining. This functionality was mainly developed and tested by Jacob Pan Liu Yi L . Thanks a lot. Please help to review. Best regards, baolu Jacob Pan (1): iommu/vt-d: Add page request draining support Lu Baolu (4): iommu/vt-d: Add get_domain_info() helper iommu/vt-d: Refactor parameters for qi_submit_sync() iommu/vt-d: Multiple descriptors per qi_submit_sync() iommu/vt-d: Refactor prq_event_thread() drivers/iommu/dmar.c | 50 ++++--- drivers/iommu/intel-iommu.c | 38 +++-- drivers/iommu/intel-pasid.c | 16 +-- drivers/iommu/intel-svm.c | 207 ++++++++++++++++++++++++---- drivers/iommu/intel_irq_remapping.c | 2 +- include/linux/intel-iommu.h | 9 +- 6 files changed, 258 insertions(+), 64 deletions(-) -- 2.17.1