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=-6.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 BA95EC433E3 for ; Tue, 25 Aug 2020 20:04:29 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 9041B2074A for ; Tue, 25 Aug 2020 20:04:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="cKrsE5aH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9041B2074A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 3B343882A4; Tue, 25 Aug 2020 20:04:29 +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 ZZS7JjCcUeRb; Tue, 25 Aug 2020 20:04:28 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by hemlock.osuosl.org (Postfix) with ESMTP id BF1EC8829D; Tue, 25 Aug 2020 20:04:28 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id AB13DC07FF; Tue, 25 Aug 2020 20:04:28 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 82F62C0051 for ; Tue, 25 Aug 2020 20:04:27 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 712E7882A4 for ; Tue, 25 Aug 2020 20:04:27 +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 HJ+MV39SRlnP for ; Tue, 25 Aug 2020 20:04:27 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by hemlock.osuosl.org (Postfix) with ESMTPS id 009688829D for ; Tue, 25 Aug 2020 20:04:26 +0000 (UTC) Received: from localhost (104.sub-72-107-126.myvzw.com [72.107.126.104]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7118A2072D; Tue, 25 Aug 2020 20:04:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598385866; bh=dTMuBfpKgtEYOt9p2Rn3qpf/VvcSbFu+JYG5Bh8kmyA=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=cKrsE5aH9KEYT64296qE0G5KVNFvq5DVTB2yGKvHtiT3unhAr1XB6ZHkLDbMCuiDT 8DZix0IP8SqTBX4wL/zrtUQGVB7Ol9qfyAtIzmySuOVj4QsGoYhYhUC+8gCfgXeDAx LOglK+g2f0nZ29h0rIpk2nBkTgJ5E2NHxftE1KkY= Date: Tue, 25 Aug 2020 15:04:25 -0500 From: Bjorn Helgaas To: Thomas Gleixner Subject: Re: [patch RFC 20/38] PCI: vmd: Mark VMD irqdomain with DOMAIN_BUS_VMD_MSI Message-ID: <20200825200425.GA1924566@bjorn-Precision-5520> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200821002947.263753263@linutronix.de> 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 , Jonathan Derrick , Juergen Gross , Russ Anderson , Greg Kroah-Hartman , LKML , 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" On Fri, Aug 21, 2020 at 02:24:44AM +0200, Thomas Gleixner wrote: > 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 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