Re: [Qemu-devel] [RFC PATCH v3 0/5] vITS support

[Auger Eric <eric.auger@redhat.com>]

Dear all,

On 24/11/2015 11:13, Pavel Fedin wrote:
> This series introduces support for in-kernel GICv3 ITS emulation.
> It is based on kernel API which is not released yet, therefore i post
> it as an RFC.
> 
> Kernel patch sets which implement this functionality are:
> - [PATCH v3 00/16] KVM: arm64: GICv3 ITS emulation
>   http://www.spinics.net/lists/kvm/msg121878.html
> - [PATCH v3 0/7] KVM: arm/arm64: gsi routing support
>   http://www.spinics.net/lists/kvm/msg119567.html

For testing KVM/ARM gsi routing and KVM ARM PCIe/MSI passthrough with
GICv3 ITS I intend to work on the respin of this series. I now have
access to a host featuring GICv3 ITS. Does anyone currently work on this
topic or intend to do so in short term or can I proceed?

Best Regards

Eric
> 
> v2 => v3:
> - Really added unmigratable flag, was overlooked in v2
> - Fixed checkpatch issue with initializing static variable to zero
> 
> v1 => v2:
> - Added registers and reset method
> - Added unmigratable flag
> - Rebased on top of current master, use kvm_arch_fixup_msi_route() now
> 
> Pavel Fedin (5):
>   hw/intc: Implement ITS base class
>   kernel: Add vGICv3 ITS definitions
>   kvm_arm: Pass requester ID to MSI routing functions
>   kvm_arm: Implement support for ITS emulation by KVM
>   arm/virt: Add ITS to the virt board
> 
>  hw/arm/virt.c                          |  47 ++++++++--
>  hw/intc/Makefile.objs                  |   2 +
>  hw/intc/arm_gicv3_its_common.c         | 155 +++++++++++++++++++++++++++++++++
>  hw/intc/arm_gicv3_its_kvm.c            |  88 +++++++++++++++++++
>  include/hw/intc/arm_gicv3_its_common.h |  72 +++++++++++++++
>  linux-headers/asm-arm64/kvm.h          |   1 +
>  linux-headers/linux/kvm.h              |   9 +-
>  target-arm/kvm.c                       |   6 ++
>  target-arm/kvm_arm.h                   |  13 +++
>  target-arm/machine.c                   |  16 ++++
>  10 files changed, 401 insertions(+), 8 deletions(-)
>  create mode 100644 hw/intc/arm_gicv3_its_common.c
>  create mode 100644 hw/intc/arm_gicv3_its_kvm.c
>  create mode 100644 include/hw/intc/arm_gicv3_its_common.h
>