From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755300AbcCBMaz (ORCPT ); Wed, 2 Mar 2016 07:30:55 -0500 Received: from mail-wm0-f54.google.com ([74.125.82.54]:37406 "EHLO mail-wm0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752873AbcCBMaw (ORCPT ); Wed, 2 Mar 2016 07:30:52 -0500 Subject: Re: [RFC v5 00/17] KVM PCIe/MSI passthrough on ARM/ARM64 To: "Jaggi, Manish" , "eric.auger@st.com" , "robin.murphy@arm.com" , "alex.williamson@redhat.com" , "will.deacon@arm.com" , "joro@8bytes.org" , "tglx@linutronix.de" , "jason@lakedaemon.net" , "marc.zyngier@arm.com" , "christoffer.dall@linaro.org" , "linux-arm-kernel@lists.infradead.org" , "kvmarm@lists.cs.columbia.edu" , "kvm@vger.kernel.org" References: <1456856877-4817-1-git-send-email-eric.auger@linaro.org> Cc: "suravee.suthikulpanit@amd.com" , "patches@linaro.org" , "linux-kernel@vger.kernel.org" , "Bharat.Bhushan@freescale.com" , "pranav.sawargaonkar@gmail.com" , "p.fedin@samsung.com" , "iommu@lists.linux-foundation.org" From: Eric Auger Message-ID: <56D6DCD3.7070004@linaro.org> Date: Wed, 2 Mar 2016 13:30:11 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Manish, On 03/02/2016 09:11 AM, Jaggi, Manish wrote: > > >>> From: Eric Auger >>> Sent: Tuesday, March 1, 2016 11:57 PM >>> To: eric.auger@st.com; eric.auger@linaro.org; robin.murphy@arm.com; alex.williamson@redhat.com; will.deacon@arm.com; joro@8bytes.org; tglx@linutronix.de; >>jason@lakedaemon.net; marc.zyngier@arm.com; christoffer.dall@linaro.org; linux-arm-kernel@lists.infradead.org; kvmarm@lists.cs.columbia.edu; kvm@vger.kernel.org >>> Cc: suravee.suthikulpanit@amd.com; patches@linaro.org; linux-kernel@vger.kernel.org; Jaggi, Manish; Bharat.Bhushan@freescale.com; >>pranav.sawargaonkar@gmail.com; p.fedin@samsung.com; iommu@lists.linux-foundation.org >>> Subject: [RFC v5 00/17] KVM PCIe/MSI passthrough on ARM/ARM64 > >>> This series addresses KVM PCIe passthrough with MSI enabled on ARM/ARM64. >>> It pursues the efforts done on [1], [2], [3]. It also aims at covering the >>> same need on PowerPC platforms although the same kind of integration >>> .should be carried out. >>> > [snip] >>> - Not tested: ARM GICv3 ITS > > [snip] >>> QEMU Integration: >>> [RFC v2 0/8] KVM PCI/MSI passthrough with mach-virt >>> (http://lists.gnu.org/archive/html/qemu-arm/2016-01/msg00444.html) >>> https://git.linaro.org/people/eric.auger/qemu.git/shortlog/refs/heads/v2.5.0-pci-passthrough-rfc-v2 > > For gicv3 its, I believe, the below series for qemu and kernel is required for gicv3-its > > [RFC PATCH v3 0/5] vITS support > https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg05197.html > > and in kernel CONFIG_HAVE_KVM_MSI must be enabled so that qemu sees MSI capability KVM_CAP_SIGNAL_MSI > > This has a dependency on gsi routing support > KVM: arm/arm64: gsi routing support > https://lkml.org/lkml/2015/6/29/290 which has a dependency on Andre's ITS emulation series too. The Kernel series will be resent soon on top on new vgic design. > > I had both the above series in 4.2 in my local 4.2 tree. Did you have a chance to test with GICv3 ITS already? Best Regards Eric > > BR > -Manish > >