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 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 92AD2C433E1 for ; Wed, 26 Aug 2020 12:01:31 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 665CD208A9 for ; Wed, 26 Aug 2020 12:01:31 +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="bXkpbg7v"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="76R9Kmzn" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 665CD208A9 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 whitealder.osuosl.org (Postfix) with ESMTP id 477B486D95; Wed, 26 Aug 2020 12:01:31 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id oXyZIXrE7Akb; Wed, 26 Aug 2020 12:01:30 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id 55CAC86BB7; Wed, 26 Aug 2020 12:01:30 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 21C3DC0051; Wed, 26 Aug 2020 12:01:30 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 8994BC07FF for ; Wed, 26 Aug 2020 12:01:27 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 7A13D861F1 for ; Wed, 26 Aug 2020 12:01:27 +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 Psx-txIStAWo for ; Wed, 26 Aug 2020 12:01:27 +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 fraxinus.osuosl.org (Postfix) with ESMTPS id 0019E8685B for ; Wed, 26 Aug 2020 12:01:26 +0000 (UTC) Message-Id: <20200826112333.047315047@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1598443285; 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=gJ39OSf8ktRSnZ6d/j2dt7j1z3jbrcZeNgc5pz/l+zo=; b=bXkpbg7vXId4cgEooAI1FievWWwmsWknAPlKYWOt0b+qx11d6yLu/cHswt1gghrWpZ0y4p OogEoTISMfdsGaFQxwDXrjdAYV7fpbl7lvN/Pd44ye1NPulELZ2AqG1QXNidbTS8fOA5sL dE3Y8y7zSGoykO/A2Y22PidwXvE2JmTcJZeBM4X/WVvRopmoxh4QM75ngWUvhGD6Z5gADH gci/2TvWnj96j4gOq2pSHxN+ruog7JhGi9PrN4oUyN6tdWzBYuXFlgatiELb5NOVmhIxLT pZSsmjLUAlQLuIYIzZR1g1BAjfSl89NRHKJ81TQT0IphVjr1Ly4j2bBA/Y6TTg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1598443285; 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=gJ39OSf8ktRSnZ6d/j2dt7j1z3jbrcZeNgc5pz/l+zo=; b=76R9KmznGw62pNG68AAqA66n9MVIAIb93ShPM0bCT14jdPK4KCpjLcWq25+24lkdJtIMrv D9oyizCmcUVt66Dg== Date: Wed, 26 Aug 2020 13:16:52 +0200 From: Thomas Gleixner To: LKML Subject: [patch V2 24/46] PCI: vmd: Mark VMD irqdomain with DOMAIN_BUS_VMD_MSI References: <20200826111628.794979401@linutronix.de> MIME-Version: 1.0 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" From: Thomas Gleixner 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 Acked-by: Bjorn Helgaas --- 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