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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 6/23/25 18:09, Mark Cave-Ayland wrote: > On 22/06/2025 13:57, Cédric Le Goater wrote: > >> Hello, >> >> On 6/21/25 14:22, John Levon wrote: >>> On Fri, Jun 20, 2025 at 10:32:10AM +0200, Cédric Le Goater wrote: >>> >>>> Before merging, I would like to be able to experiment a minimum. >>>> >>>> Does a dummy device (server side) implementation exist ? and a >>>> GH repo I could pull the code from. >>>> >>>> John, >>>> >>>> How do you test ? >>> >>> I use these scripts for smoke-testing: >>> >>> https://urldefense.proofpoint.com/v2/url? u=https-3A__github.com_jlevon_grot_blob_master_tests_vfio-2Duser_run.sh&d=DwIDaQ&c=s883GpUCOChKOHiocYtGcg&r=c23RpsaH4D2MKyD3EPJTDa0BAxz6tV8aUJqVSoytEiY&m=V-sTFYIBuNsRDS6PAkkLHCjd5V2lvtIYfbhCV4BsWHxVWzLB_Dj21kOCZ_00B8wZ&s=ZZtYgH13tGNzKPUfKumHJno3qZjfUTg5z6GMJ_9o5so&e= is easiest - you just need to compile libvfio-user and qemu >>> and you should be good if you have a suitable Linux image. >> >> PCI enumeration work but the kernel module won't load on ubuntu 24.04 >> and 25.04 : >> >> root@ubuntu:~# lspci -s 00:0d.0 -k -vv >> 00:0d.0 Non-VGA unclassified device: ACCES I/O Products, Inc. PCI- IDIO-16 Isolated Digital Input / FET Output Card >>      Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- >>      Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- >      Interrupt: pin A routed to IRQ 21 >>      Region 2: I/O ports at 6000 [size=256] >>      Kernel modules: gpio_pci_idio_16 >> >> root@ubuntu:~# dmesg | grep 0000:00:0d.0 >> [    0.381550] pci 0000:00:0d.0: [494f:0dc8] type 00 class 0x000000 conventional PCI endpoint >> [    0.382696] pci 0000:00:0d.0: BAR 2 [io  0x6000-0x60ff] >> [    4.017654] pci-idio-16 0000:00:0d.0: error -EINVAL: Unable to initialize register map >> [    4.027063] pci-idio-16 0000:00:0d.0: probe with driver pci-idio-16 failed with error -22 >> >> Any idea why ? > > Annoyingly this is because the gpio_pci_idio_16 module is currently > broken upstream :( Is is a known issue ? the gpio_pci_idio_16 module seems well maintained. > The last LTS I was able to able to successfully test here was 6.1, > and so that's what I've used to generate my functional test images. All seems to work fine with the debian-12-nocloud-amd64.qcow2 imageand the gpio-pci-idio-16 kmod is even provided by default. It would be nice to be able generate some interrupts Thanks, C.