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=-8.6 required=3.0 tests=DATE_IN_PAST_06_12, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 E2CEAC2D0CE for ; Wed, 1 Jan 2020 02:27:08 +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 BE3BA206E6 for ; Wed, 1 Jan 2020 02:27:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BE3BA206E6 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 A9629204D0; Wed, 1 Jan 2020 02:27:08 +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 cuDgXRUWFKuL; Wed, 1 Jan 2020 02:27:07 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id ED58A20014; Wed, 1 Jan 2020 02:27:07 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id E8A23C18DC; Wed, 1 Jan 2020 02:27:07 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 39277C077D for ; Wed, 1 Jan 2020 02:27:05 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 256672046B for ; Wed, 1 Jan 2020 02:27:05 +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 azVmRQMwN2cQ for ; Wed, 1 Jan 2020 02:27:03 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by silver.osuosl.org (Postfix) with ESMTPS id 19BDE204B8 for ; Wed, 1 Jan 2020 02:27:03 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 31 Dec 2019 18:27:02 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,381,1571727600"; d="scan'208";a="221068072" Received: from unknown (HELO nsgsw-rhel7p6.lm.intel.com) ([10.232.116.83]) by orsmga006.jf.intel.com with ESMTP; 31 Dec 2019 18:27:02 -0800 From: Jon Derrick To: , Subject: [RFC 3/5] x86/PCI: Expose VMD's device in pci_sysdata Date: Tue, 31 Dec 2019 13:24:21 -0700 Message-Id: <1577823863-3303-4-git-send-email-jonathan.derrick@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1577823863-3303-1-git-send-email-jonathan.derrick@intel.com> References: <1577823863-3303-1-git-send-email-jonathan.derrick@intel.com> Cc: Bjorn Helgaas , Keith Busch , David Woodhouse , Christoph Hellwig , 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: , 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" To be used by intel-iommu code to find the correct domain. Signed-off-by: Jon Derrick --- arch/x86/include/asm/pci.h | 4 ++-- drivers/pci/controller/vmd.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 90d0731..7656807 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -25,7 +25,7 @@ struct pci_sysdata { void *fwnode; /* IRQ domain for MSI assignment */ #endif #if IS_ENABLED(CONFIG_VMD) - bool vmd_domain; /* True if in Intel VMD domain */ + struct device *vmd_dev; /* Non-null if in Intel VMD domain */ #endif }; @@ -65,7 +65,7 @@ static inline bool is_vmd(struct pci_bus *bus) #if IS_ENABLED(CONFIG_VMD) struct pci_sysdata *sd = bus->sysdata; - return sd->vmd_domain; + return !!sd->vmd_dev; #else return false; #endif diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c index 2128422..907b5bd 100644 --- a/drivers/pci/controller/vmd.c +++ b/drivers/pci/controller/vmd.c @@ -679,7 +679,7 @@ static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features) .parent = res, }; - sd->vmd_domain = true; + sd->vmd_dev = &vmd->dev->dev; sd->domain = vmd_find_free_domain(); if (sd->domain < 0) return sd->domain; -- 1.8.3.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu