Re: [Qemu-arm] [PATCH v7 5/8] hw/intc/arm_gicv3_its: Implement support for in-kernel ITS emulation

[Peter Maydell]

On 23 September 2016 at 00:43, Eric Auger <address@hidden> wrote:
> From: Pavel Fedin <address@hidden>
>
> The ITS control frame is in-kernel emulated while accesses to the
> GITS_TRANSLATER are mediated through the KVM_SIGNAL_MSI ioctl (MSI
> direct MSI injection advertised by the CAP_SIGNAL_MSI capability)
>
> the kvm_gsi_direct_mapping is explicitly set to false to emphasize the
> difference with GICv2M. Direct mapping cannot work with ITS since
> the content of the MSI data is not the target interrupt ID but an
> eventd id.
>
> GSI routing is advertised (kvm_gsi_routing_allowed) as well as
> msi/irqfd signaling (kvm_msi_via_irqfd_allowed).
>
> The MSI frame (GITS_TRANSLATER) absolute GPA is computed on first
> kvm_its_send_msi() call. It is then passed through KVM_SIGNAL_MSI
> ioctl.
>
> Signed-off-by: Pavel Fedin <address@hidden>
> Signed-off-by: Eric Auger <address@hidden>



Applied to target-arm.next, thanks.

-- PMM