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=-8.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 F2D78C433EC for ; Fri, 24 Jul 2020 08:49:12 +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 A6D9B2068F for ; Fri, 24 Jul 2020 08:49:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A6D9B2068F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org 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 6C5D786D55; Fri, 24 Jul 2020 08:49:12 +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 gBB8Z8Sx2IOP; Fri, 24 Jul 2020 08:49:12 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id F3B0486199; Fri, 24 Jul 2020 08:49:11 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id E60C3C004E; Fri, 24 Jul 2020 08:49:11 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id EDB89C004C for ; Fri, 24 Jul 2020 08:49:09 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id D619686D1E for ; Fri, 24 Jul 2020 08:49:09 +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 lnwE7VtvL6Nl for ; Fri, 24 Jul 2020 08:49:06 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from theia.8bytes.org (8bytes.org [81.169.241.247]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 1827986F52 for ; Fri, 24 Jul 2020 08:49:05 +0000 (UTC) Received: by theia.8bytes.org (Postfix, from userid 1000) id 63D2F46A; Fri, 24 Jul 2020 10:49:02 +0200 (CEST) Date: Fri, 24 Jul 2020 10:48:59 +0200 From: Joerg Roedel To: Ashok Raj Subject: Re: [PATCH v3 1/1] PCI/ATS: Check PRI supported on the PF device when SRIOV is enabled Message-ID: <20200724084859.GQ27672@8bytes.org> References: <1595543849-19692-1-git-send-email-ashok.raj@intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1595543849-19692-1-git-send-email-ashok.raj@intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Cc: Lu Baolu , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, iommu@lists.linux-foundation.org, Bjorn Helgaas 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Thu, Jul 23, 2020 at 03:37:29PM -0700, Ashok Raj wrote: > PASID and PRI capabilities are only enumerated in PF devices. VF devices > do not enumerate these capabilites. IOMMU drivers also need to enumerate > them before enabling features in the IOMMU. Extending the same support as > PASID feature discovery (pci_pasid_features) for PRI. > > Fixes: b16d0cb9e2fc ("iommu/vt-d: Always enable PASID/PRI PCI capabilities before ATS") > Signed-off-by: Ashok Raj Acked-by: Joerg Roedel _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu