Re: [PATCH v8 26/58] hw/xen: Add xen_evtchn device for event channel emulation

[Paul Durrant]

On 20/01/2023 13:13, David Woodhouse wrote:
> From: David Woodhouse <dwmw@amazon.co.uk>
>
> Include basic support for setting HVM_PARAM_CALLBACK_IRQ to the global
> vector method HVM_PARAM_CALLBACK_TYPE_VECTOR, which is handled in-kernel
> by raising the vector whenever the vCPU's vcpu_info->evtchn_upcall_pending
> flag is set.
>
> Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
> ---
>   hw/i386/kvm/meson.build   |   5 +-
>   hw/i386/kvm/xen_evtchn.c  | 155 ++++++++++++++++++++++++++++++++++++++
>   hw/i386/kvm/xen_evtchn.h  |  18 +++++
>   hw/i386/pc.c              |   2 +
>   target/i386/kvm/xen-emu.c |  15 ++++
>   5 files changed, 194 insertions(+), 1 deletion(-)
>   create mode 100644 hw/i386/kvm/xen_evtchn.c
>   create mode 100644 hw/i386/kvm/xen_evtchn.h

Reviewed-by: Paul Durrant <paul@xen.org>