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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 205CBC433E0 for ; Thu, 4 Feb 2021 19:09:30 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 BF80464F65 for ; Thu, 4 Feb 2021 19:09:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BF80464F65 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=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 silver.osuosl.org (Postfix) with ESMTP id 96854274EE; Thu, 4 Feb 2021 19:09:29 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JEgW5G6aQGaw; Thu, 4 Feb 2021 19:09:28 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id E0AF52043E; Thu, 4 Feb 2021 19:09:28 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id CE077C0174; Thu, 4 Feb 2021 19:09:28 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id B919FC013A for ; Thu, 4 Feb 2021 19:09:26 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id A09DD2034F for ; Thu, 4 Feb 2021 19:09:26 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fFhY+9CdtnPt for ; Thu, 4 Feb 2021 19:09:25 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by silver.osuosl.org (Postfix) with ESMTPS id 4C51A2043E for ; Thu, 4 Feb 2021 19:09:25 +0000 (UTC) IronPort-SDR: +/DIMwg+Qv6cKNGzCSwgknI1fgj+gAp7X7pRm2K8jyS2cce4d72l6JDn6XIROsu1kps8fWBZfU f/t+S4hdRMyQ== X-IronPort-AV: E=McAfee;i="6000,8403,9885"; a="181377669" X-IronPort-AV: E=Sophos;i="5.81,153,1610438400"; d="scan'208";a="181377669" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Feb 2021 11:09:25 -0800 IronPort-SDR: cSP9LJxWRBz7I+yTpMlbQgvzji88bvziFq5UlYJ7uBXK1NOigBGTKnr1rEyV/k3vVzakXpIGAS jCR1V51rpIZw== X-IronPort-AV: E=Sophos;i="5.81,153,1610438400"; d="scan'208";a="434070474" Received: from sgklier-mobl1.amr.corp.intel.com (HELO jderrick-mobl.amr.corp.intel.com) ([10.212.165.190]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Feb 2021 11:09:23 -0800 From: Jon Derrick To: , Subject: [PATCH v2 1/2] iommu/vt-d: Use Real PCI DMA device for IRTE Date: Thu, 4 Feb 2021 12:09:05 -0700 Message-Id: <20210204190906.38515-2-jonathan.derrick@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210204190906.38515-1-jonathan.derrick@intel.com> References: <20210204190906.38515-1-jonathan.derrick@intel.com> MIME-Version: 1.0 Cc: Nirmal Patel , Will Deacon , Kapil Karkra , Bjorn Helgaas , David Woodhouse , Jon Derrick 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" VMD retransmits child device MSI/X with the VMD endpoint's requester-id. In order to support direct interrupt remapping of VMD child devices, ensure that the IRTE is programmed with the VMD endpoint's requester-id using pci_real_dma_dev(). Signed-off-by: Jon Derrick --- drivers/iommu/intel/irq_remapping.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/intel/irq_remapping.c b/drivers/iommu/intel/irq_remapping.c index 685200a5cff0..1939e070eec8 100644 --- a/drivers/iommu/intel/irq_remapping.c +++ b/drivers/iommu/intel/irq_remapping.c @@ -1276,7 +1276,8 @@ static void intel_irq_remapping_prepare_irte(struct intel_ir_data *data, break; case X86_IRQ_ALLOC_TYPE_PCI_MSI: case X86_IRQ_ALLOC_TYPE_PCI_MSIX: - set_msi_sid(irte, msi_desc_to_pci_dev(info->desc)); + set_msi_sid(irte, + pci_real_dma_dev(msi_desc_to_pci_dev(info->desc))); break; default: BUG_ON(1); -- 2.27.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu