From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Auger Subject: Re: [RFC v5 00/17] KVM PCIe/MSI passthrough on ARM/ARM64 Date: Wed, 2 Mar 2016 13:30:11 +0100 Message-ID: <56D6DCD3.7070004@linaro.org> References: <1456856877-4817-1-git-send-email-eric.auger@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: "Jaggi, Manish" , "eric.auger-qxv4g6HH51o@public.gmane.org" , "robin.murphy-5wv7dgnIgG8@public.gmane.org" , "alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org" , "will.deacon-5wv7dgnIgG8@public.gmane.org" , "joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org" , "tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org" , "jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org" , "marc.zyngier-5wv7dgnIgG8@public.gmane.org" , "christoffer.dall-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "kvmarm-FPEHb7Xf0XXUo1n7N8X6UoWGPAHP3yOg@public.gmane.org" , "kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" Cc: "patches-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org" , "p.fedin-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org" , "pranav.sawargaonkar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org" List-Id: iommu@lists.linux-foundation.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-qxv4g6HH51o@public.gmane.org; eric.auger-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org; robin.murphy-5wv7dgnIgG8@public.gmane.org; alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org; will.deacon-5wv7dgnIgG8@public.gmane.org; joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org; tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org; >>jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org; marc.zyngier-5wv7dgnIgG8@public.gmane.org; christoffer.dall-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org; linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org; kvmarm-FPEHb7Xf0XXUo1n7N8X6UoWGPAHP3yOg@public.gmane.org; kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org >>> Cc: suravee.suthikulpanit-5C7GfCeVMHo@public.gmane.org; patches-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org; linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; Jaggi, Manish; Bharat.Bhushan-KZfg59tc24xl57MIdRCFDg@public.gmane.org; >>pranav.sawargaonkar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org; p.fedin-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org; iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.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 > >