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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT 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 C13DEC2D0E6 for ; Wed, 25 Mar 2020 17:49:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AA59A208D6 for ; Wed, 25 Mar 2020 17:49:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728066AbgCYRtt (ORCPT ); Wed, 25 Mar 2020 13:49:49 -0400 Received: from mga12.intel.com ([192.55.52.136]:57497 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727990AbgCYRts (ORCPT ); Wed, 25 Mar 2020 13:49:48 -0400 IronPort-SDR: cJjIF9QEACyFsAIHpasBWWMsKuIzA3gMpOHx4hWun0Wdd4Cg9dgZ9L64g1gJ+iTWb3NRV0nAUm CGAgEI8FiQiw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Mar 2020 10:49:48 -0700 IronPort-SDR: cF83dfIgW1RVQVXjhq4Kiv2mBaXLykCXpd14UY8suQRx/Y4N7GYkG7z8LNPsHynEUzb3embvJC c5QKQuDOxnrQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,305,1580803200"; d="scan'208";a="393702193" Received: from jacob-builder.jf.intel.com ([10.7.199.155]) by orsmga004.jf.intel.com with ESMTP; 25 Mar 2020 10:49:48 -0700 From: Jacob Pan To: Joerg Roedel , Alex Williamson , "Lu Baolu" , iommu@lists.linux-foundation.org, LKML , David Woodhouse , Jean-Philippe Brucker Cc: "Yi Liu" , "Tian, Kevin" , Raj Ashok , "Christoph Hellwig" , Jonathan Cameron , Eric Auger , Jacob Pan Subject: [PATCH 02/10] iommu/vt-d: Set IOASID capacity when SVM is enabled Date: Wed, 25 Mar 2020 10:55:23 -0700 Message-Id: <1585158931-1825-3-git-send-email-jacob.jun.pan@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1585158931-1825-1-git-send-email-jacob.jun.pan@linux.intel.com> References: <1585158931-1825-1-git-send-email-jacob.jun.pan@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Assign system-wide PASID capacity with enumerated max value. Currently, all Intel SVM capable devices should support full 20 bits of PASID value. Signed-off-by: Jacob Pan --- drivers/iommu/intel-iommu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a699a765c983..ec3fc121744a 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -3510,6 +3510,10 @@ static int __init init_dmars(void) if (ret) goto free_iommu; + /* PASID is needed for scalable mode irrespective to SVM */ + if (intel_iommu_sm) + ioasid_install_capacity(intel_pasid_max_id); + /* * for each drhd * enable fault log -- 2.7.4 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT 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 DD445C2D0E6 for ; Wed, 25 Mar 2020 17:49:59 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 C18C52078E for ; Wed, 25 Mar 2020 17:49:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C18C52078E 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 fraxinus.osuosl.org (Postfix) with ESMTP id B488186CF5; Wed, 25 Mar 2020 17:49:59 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Pa46DVC_cdu0; Wed, 25 Mar 2020 17:49:55 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id 1AD1286D62; Wed, 25 Mar 2020 17:49:55 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 09E8CC1D89; Wed, 25 Mar 2020 17:49:55 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 77777C0177 for ; Wed, 25 Mar 2020 17:49:52 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 657AD86D41 for ; Wed, 25 Mar 2020 17:49:52 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HEvQlOqEwgUj for ; Wed, 25 Mar 2020 17:49:49 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 1211786CA5 for ; Wed, 25 Mar 2020 17:49:49 +0000 (UTC) IronPort-SDR: kJOa29b84EUACzSMQqYB7U8UvCaIQ3KbURP1PxYKAe20vZ4x8E1of55W4ygtNm+X0nXTCEpDIm LZOlM7zEbFJA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Mar 2020 10:49:48 -0700 IronPort-SDR: cF83dfIgW1RVQVXjhq4Kiv2mBaXLykCXpd14UY8suQRx/Y4N7GYkG7z8LNPsHynEUzb3embvJC c5QKQuDOxnrQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,305,1580803200"; d="scan'208";a="393702193" Received: from jacob-builder.jf.intel.com ([10.7.199.155]) by orsmga004.jf.intel.com with ESMTP; 25 Mar 2020 10:49:48 -0700 From: Jacob Pan To: Joerg Roedel , Alex Williamson , "Lu Baolu" , iommu@lists.linux-foundation.org, LKML , David Woodhouse , Jean-Philippe Brucker Subject: [PATCH 02/10] iommu/vt-d: Set IOASID capacity when SVM is enabled Date: Wed, 25 Mar 2020 10:55:23 -0700 Message-Id: <1585158931-1825-3-git-send-email-jacob.jun.pan@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1585158931-1825-1-git-send-email-jacob.jun.pan@linux.intel.com> References: <1585158931-1825-1-git-send-email-jacob.jun.pan@linux.intel.com> Cc: "Tian, Kevin" , Raj Ashok , Jonathan Cameron 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" Assign system-wide PASID capacity with enumerated max value. Currently, all Intel SVM capable devices should support full 20 bits of PASID value. Signed-off-by: Jacob Pan --- drivers/iommu/intel-iommu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a699a765c983..ec3fc121744a 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -3510,6 +3510,10 @@ static int __init init_dmars(void) if (ret) goto free_iommu; + /* PASID is needed for scalable mode irrespective to SVM */ + if (intel_iommu_sm) + ioasid_install_capacity(intel_pasid_max_id); + /* * for each drhd * enable fault log -- 2.7.4 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu