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=-13.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 09532C433EB for ; Tue, 28 Jul 2020 20:07:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC46620656 for ; Tue, 28 Jul 2020 20:07:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728871AbgG1UHM (ORCPT ); Tue, 28 Jul 2020 16:07:12 -0400 Received: from mga03.intel.com ([134.134.136.65]:63202 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728706AbgG1UHI (ORCPT ); Tue, 28 Jul 2020 16:07:08 -0400 IronPort-SDR: lPHTDD/HWHsIxct83nthN577ev17ntMbojdJuCF5UeTMBWZqoUdhDaNM7oJ774mpw46hLZxXt8 w5ZeZaD7RSSA== X-IronPort-AV: E=McAfee;i="6000,8403,9696"; a="151287342" X-IronPort-AV: E=Sophos;i="5.75,407,1589266800"; d="scan'208";a="151287342" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jul 2020 13:07:05 -0700 IronPort-SDR: Fq4gMepYuWN6M0hm96kpzt8hMhQKMAh5cShDgNCNJINrLWJZArgcc2ohwC5TtMl3y8sK6Rh8qf Omi3lCixh21g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,407,1589266800"; d="scan'208";a="312756390" Received: from unknown (HELO nsgsw-wilsonpoint.lm.intel.com) ([10.232.116.124]) by fmsmga004.fm.intel.com with ESMTP; 28 Jul 2020 13:07:05 -0700 From: Jon Derrick To: , Lorenzo Pieralisi Cc: Bjorn Helgaas , Christoph Hellwig , Andrzej Jakowski , Sushma Kalakota , , , Jon Derrick , Andy Shevchenko Subject: [PATCH 5/6] x86/apic/msi: Use Real PCI DMA device when configuring IRTE Date: Tue, 28 Jul 2020 13:49:44 -0600 Message-Id: <20200728194945.14126-6-jonathan.derrick@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200728194945.14126-1-jonathan.derrick@intel.com> References: <20200728194945.14126-1-jonathan.derrick@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org 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(). Reviewed-by: Andy Shevchenko Signed-off-by: Jon Derrick --- arch/x86/kernel/apic/msi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c index c2b2911feeef..7ca271b8d891 100644 --- a/arch/x86/kernel/apic/msi.c +++ b/arch/x86/kernel/apic/msi.c @@ -189,7 +189,7 @@ int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) init_irq_alloc_info(&info, NULL); info.type = X86_IRQ_ALLOC_TYPE_MSI; - info.msi_dev = dev; + info.msi_dev = pci_real_dma_dev(dev); domain = irq_remapping_get_irq_domain(&info); if (domain == NULL) -- 2.27.0