Hi Jean, Steven, > On Dec 2, 2024, at 19:26, Jean-Philippe Brucker <jean-philippe@xxxxxxxxxx> wrote: > > On Mon, Dec 02, 2024 at 08:54:11AM +0000, Steven Price wrote: >> Hi Itaru, >> >> On 02/12/2024 05:10, Itaru Kitayama wrote: >>> On Fri, Oct 04, 2024 at 04:27:21PM +0100, Steven Price wrote: >>>> This series adds support for running protected VMs using KVM under the >>>> Arm Confidential Compute Architecture (CCA). >> ... >>> >>> On FVP, the v5+v7 kernel is unable to execute virt-manager: >>> >>> Starting install... >>> Allocating 'test9.qcow2' | 0 B 00:00 ... >>> Removing disk 'test9.qcow2' | 0 B 00:00 >>> ERROR internal error: process exited while connecting to monitor: 2024-12-04T18:56:11.646168Z qemu-system-aarch64: -accel kvm: ioctl(KVM_CREATE_VM) failed: Invalid argument >>> 2024-12-04T18:56:11.646520Z qemu-system-aarch64: -accel kvm: failed to initialize kvm: Invalid argument >>> Domain installation does not appear to have been successful. >> >> Can you check that the kernel has detected the RMM being available, you >> should have a message like below when the host kernel is booting: >> >> kvm [1]: RMI ABI version 1.0 >> >> My guess is that you've got mismatched versions of the RMM and TF-A. The >> interface between those two components isn't stable and there were >> breaking changes fairly recently. And obviously if the RMM hasn't >> initialised successfully then confidential VMs won't be available. >> >>> Below is my virt-manager options: >>> >>> virt-install --machine=virt --arch=aarch64 --name=test9 --memory=2048 --vcpu=1 --nographic --check all=off --features acpi=off --virt-type kvm --boot kernel=Image-cca,initrd=rootfs.cpio,kernel_args='earlycon console=ttyAMA0 rdinit=/sbin/init rw root=/dev/vda acpi=off' --qemu-commandline='-M virt,confidential-guest-support=rme0,gic-version=3 -cpu host -object rme-guest,id=rme0 -nodefaults' --disk size=4 --import --osinfo detect=on,require=off >>> >>> Userland is Ubuntu 24.10, the VMM is Linaro's cca/2024-11-20: >>> >>> https://git.codelinaro.org/linaro/dcap/qemu/-/tree/cca/2024-11-20?ref_type=heads > > Indeed, QEMU branch 2024-11-20 has to be used with an older version of the > KVM patch and older RMM. For KVM v5+v7 you need the most recent QEMU > branch, confusingly called cca/v3 (because it's the third patch series). > > Thanks, > Jean I wasn’t applying with the updated Shrinkwrap’s overlay file when building TF-RMM. With the correct VMM as you guys mentioned (cca/v3) I was able to start the installation via the virt-install interacting with the Ubuntu 24.10’s monolitihc libvirtd. Thanks, Itaru. > >> >> I don't think this is the latest QEMU tree, Jean-Philippe posted an >> update last week: >> >> https://lore.kernel.org/qemu-devel/20241125195626.856992-2-jean-philippe@xxxxxxxxxx/ >> >> I'm not sure if there were any important updates there, but there are >> detailed instructions that might help. >> >> Regards, >> Steve
