Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp853369ybb; Wed, 25 Mar 2020 10:52:11 -0700 (PDT) X-Google-Smtp-Source: ADFU+vs4a5y0gL90E8FIADkRNniIBtt7DgHQ5PECrt2OpwSGFXtZf7mB4bGt4jCt53cEMjUHjYR6 X-Received: by 2002:a4a:3ed7:: with SMTP id t206mr2200433oot.61.1585158730985; Wed, 25 Mar 2020 10:52:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1585158730; cv=none; d=google.com; s=arc-20160816; b=Tlyglv/+Unnia2WTGXq1tGfQvXdG1xf3/sVjlmlOdPJVdD2bZInCXLTE4Ygf0P1QZ+ EthfVz1KuUW/H3be+dIGELKvOETAdBu4FfwHNv0FYSywCI6noBQVN7Gj9WXWZhU2O0dg SUJKieTA5RZuK161kWuCpT7kkehDIhB/71XVg1LD75sYUt8eMYb1mUf2x+p8+Khm+PrT +g/gSPxClm8gAR66vFKOJ7RXZnXLBPhEgq6lA7kfFbGukNdkPlnQepedwxrIb3Fiockh tjWWzRx5S4ZELSv+5RvVapuUAagx93ALS5qJ5ueCpu3Q2VsEb94YhjaGwIkdMx9bBZV0 HKaA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:ironport-sdr:ironport-sdr; bh=ODs7swMwmyKvXsNrX22AKmUkYAx5XXSL05nIIJiTYJ4=; b=l20UUwy+WNo10CH2c448Xwu2kqUK8CfL3NbqdJ1UN7A77a2hqu0kPiM9JK8N3OYVSS tBXTkfr+otioztiRJsLi/jctHkkin3LlZcWlFMJmdRiItHWsUZgt4WBGRDgdShU/vyRP uqUhQKxc26xBWV7e+zinxx28c3ob8SrB6kGODOgCDYuvxD5u+6Mp0uIKwtNZuMzNs7l2 SF4zL8D0JqBmd1r79rKhr6Z6j/8hZwmc4HstBDbs67Av42x884A5eNv5cWDebOdwk351 G1KvHW+3D+OnPOB5n68nDOfyU5fCkAqnKLFTuuWCEcw3Rvi8UUzz99Tmiaa9jTow+NkM /TCQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id c125si1812098ooc.50.2020.03.25.10.51.58; Wed, 25 Mar 2020 10:52:10 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728044AbgCYRtt (ORCPT + 99 others); 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