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 9D557C4360C for ; Fri, 26 Feb 2021 20:11:28 +0000 (UTC) Received: from smtp4.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 48B7A64F30 for ; Fri, 26 Feb 2021 20:11:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 48B7A64F30 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 smtp4.osuosl.org (Postfix) with ESMTP id 3E96B4F093; Fri, 26 Feb 2021 20:11:27 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2u7LN5W4PSkp; Fri, 26 Feb 2021 20:11:26 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp4.osuosl.org (Postfix) with ESMTP id 0C83C4F0AA; Fri, 26 Feb 2021 20:11:25 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id DAA81C000A; Fri, 26 Feb 2021 20:11:25 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 11C38C0001 for ; Fri, 26 Feb 2021 20:11:21 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 5E70C842D2 for ; Fri, 26 Feb 2021 20:11:15 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ldmxcBajrTOB for ; Fri, 26 Feb 2021 20:11:14 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by smtp1.osuosl.org (Postfix) with ESMTPS id 96E3584314 for ; Fri, 26 Feb 2021 20:11:14 +0000 (UTC) IronPort-SDR: g6Vf/yMy7AwSVTHJU5hMzvKrDdE5qeK9Zp0+DXFmIAcP/GxJI3DXkF62XNj5SvPiUNkjhQ6SLS 7ZXpdgvb+o8A== X-IronPort-AV: E=McAfee;i="6000,8403,9907"; a="247407457" X-IronPort-AV: E=Sophos;i="5.81,209,1610438400"; d="scan'208";a="247407457" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2021 12:11:14 -0800 IronPort-SDR: 6eRWXMxbkZk4WWg4nf7WXCqgFHHUePNl/a+OsdoHo0lhY7FNfjLnXXfa+jiMWeI1DTvbAaSBUE 8iojhtQHcn6Q== X-IronPort-AV: E=Sophos;i="5.81,209,1610438400"; d="scan'208";a="405109447" Received: from megha-z97x-ud7-th.sc.intel.com ([143.183.85.154]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-SHA; 26 Feb 2021 12:11:13 -0800 From: Megha Dey To: tglx@linutronix.de Subject: [Patch V2 09/13] iommu/vt-d: Add DEV-MSI support Date: Fri, 26 Feb 2021 12:11:13 -0800 Message-Id: <1614370277-23235-10-git-send-email-megha.dey@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1614370277-23235-1-git-send-email-megha.dey@intel.com> References: <1614370277-23235-1-git-send-email-megha.dey@intel.com> Cc: alex.williamson@redhat.com, kevin.tian@intel.com, tony.luck@intel.com, dave.jiang@intel.com, ashok.raj@intel.com, kvm@vger.kernel.org, ravi.v.shankar@intel.com, maz@kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, jgg@mellanox.com, megha.dey@intel.com, linux-pci@vger.kernel.org, bhelgaas@google.com, dan.j.williams@intel.com, dwmw@amazon.co.uk 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" Add required support in the interrupt remapping driver for devices which generate dev-msi interrupts and use the intel remapping domain as the parent domain. Set the source-id of all dev-msi interrupt requests to the parent PCI device associated with it. Reviewed-by: Tony Luck Signed-off-by: Megha Dey --- drivers/iommu/intel/irq_remapping.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/intel/irq_remapping.c b/drivers/iommu/intel/irq_remapping.c index 611ef52..2a55e54 100644 --- a/drivers/iommu/intel/irq_remapping.c +++ b/drivers/iommu/intel/irq_remapping.c @@ -1282,6 +1282,9 @@ static void intel_irq_remapping_prepare_irte(struct intel_ir_data *data, case X86_IRQ_ALLOC_TYPE_PCI_MSIX: set_msi_sid(irte, msi_desc_to_pci_dev(info->desc)); break; + case X86_IRQ_ALLOC_TYPE_DEV_MSI: + set_msi_sid(irte, to_pci_dev(info->desc->dev->parent)); + break; default: BUG_ON(1); break; @@ -1325,7 +1328,8 @@ static int intel_irq_remapping_alloc(struct irq_domain *domain, if (!info || !iommu) return -EINVAL; if (nr_irqs > 1 && info->type != X86_IRQ_ALLOC_TYPE_PCI_MSI && - info->type != X86_IRQ_ALLOC_TYPE_PCI_MSIX) + info->type != X86_IRQ_ALLOC_TYPE_PCI_MSIX && + info->type != X86_IRQ_ALLOC_TYPE_DEV_MSI) return -EINVAL; /* -- 2.7.4 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu