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=-6.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 D56E0C433DF for ; Fri, 21 Aug 2020 02:17:08 +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 A92B022CBE for ; Fri, 21 Aug 2020 02:17:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="ZHPMzYaP"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="JYv5Wl4U" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A92B022CBE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linutronix.de 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 9658D86CD4; Fri, 21 Aug 2020 02:17:08 +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 kx4ZMzhc5RCG; Fri, 21 Aug 2020 02:17:07 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id 8869886CF3; Fri, 21 Aug 2020 02:17:07 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 72A36C0895; Fri, 21 Aug 2020 02:17:07 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 589ADC0889 for ; Fri, 21 Aug 2020 02:17:05 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 47C24885E7 for ; Fri, 21 Aug 2020 02:17:05 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2Rx+W3CRHd3E for ; Fri, 21 Aug 2020 02:17:04 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by hemlock.osuosl.org (Postfix) with ESMTPS id A93F2877B3 for ; Fri, 21 Aug 2020 02:17:04 +0000 (UTC) Message-Id: <20200821002947.263753263@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1597976223; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: references:references; bh=xhbFdhsCsQ5VSYCUiVy99pvX2yN4idfA0I7XlvTQakE=; b=ZHPMzYaPzfOECo836sQFsUmCX7TFv2uj13sv98D4bI8o6iI6WKZs1U7pYv9brD8a4az4fs NyW2wBNkPya+ae9bCFjp09So5OeSSAX52C6juW+HKgm4ymvYeCx/IfVgaDhjbZBDHJN2Y7 N3Ga0P6rEMZqQTiiVOkR3j0KsFCD4vhJzcH9tjRPhCUvVfZb3FJIfpw8yH5bG9MqEf/Vfx HtYfBOCZj0F8653MC9JjGiUq1BCATOsRuRbgl0R92oj6nP6xijsr8QEAN3xNC7i6G9hIwj 93+5AhgyK99DgKHmu6NAF2r5clFidEeEDceyitr+J6fyYTJp9z6GKMouFgvM/g== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1597976223; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: references:references; bh=xhbFdhsCsQ5VSYCUiVy99pvX2yN4idfA0I7XlvTQakE=; b=JYv5Wl4UiPVl3hvzKT1TU9FbgMyvxpUxxeVQ/q1ta3fiBXM7WdZyhJVHsfCIDihr82ihZJ mZtv6aJHBV8/OEAQ== Date: Fri, 21 Aug 2020 02:24:44 +0200 From: Thomas Gleixner To: LKML Subject: [patch RFC 20/38] PCI: vmd: Mark VMD irqdomain with DOMAIN_BUS_VMD_MSI References: <20200821002424.119492231@linutronix.de> MIME-Version: 1.0 Content-Disposition: inline; filename="PCI--vmd--Mark-VMD-irqdomain-with-DOMAIN_BUS_VMD_PCI.patch" Cc: Dimitri Sivanich , linux-hyperv@vger.kernel.org, Steve Wahl , linux-pci@vger.kernel.org, "K. Y. Srinivasan" , Dan Williams , Wei Liu , Stephen Hemminger , Baolu Lu , Marc Zyngier , x86@kernel.org, Jason Gunthorpe , Megha Dey , xen-devel@lists.xenproject.org, Kevin Tian , Konrad Rzeszutek Wilk , Haiyang Zhang , Alex Williamson , Stefano Stabellini , Bjorn Helgaas , Dave Jiang , Boris Ostrovsky , Jon Derrick , Juergen Gross , Russ Anderson , Greg Kroah-Hartman , iommu@lists.linux-foundation.org, Jacob Pan , "Rafael J. Wysocki" 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" Devices on the VMD bus use their own MSI irq domain, but it is not distinguishable from regular PCI/MSI irq domains. This is required to exclude VMD devices from getting the irq domain pointer set by interrupt remapping. Override the default bus token. Signed-off-by: Thomas Gleixner Cc: Bjorn Helgaas Cc: Lorenzo Pieralisi Cc: Jonathan Derrick Cc: linux-pci@vger.kernel.org --- drivers/pci/controller/vmd.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/pci/controller/vmd.c +++ b/drivers/pci/controller/vmd.c @@ -579,6 +579,12 @@ static int vmd_enable_domain(struct vmd_ return -ENODEV; } + /* + * Override the irq domain bus token so the domain can be distinguished + * from a regular PCI/MSI domain. + */ + irq_domain_update_bus_token(vmd->irq_domain, DOMAIN_BUS_VMD_MSI); + pci_add_resource(&resources, &vmd->resources[0]); pci_add_resource_offset(&resources, &vmd->resources[1], offset[0]); pci_add_resource_offset(&resources, &vmd->resources[2], offset[1]); _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu