[PATCH v4 04/12] KVM: arm64: handle ITS related GICv3 redistributor registers

Marc Zyngier marc.zyngier at arm.com
Thu Apr 7 06:54:10 PDT 2016


On 26/03/16 02:14, Andre Przywara wrote:
> In the GICv3 redistributor there are the PENDBASER and PROPBASER
> registers which we did not emulate so far, as they only make sense
> when having an ITS. In preparation for that emulate those MMIO
> accesses by storing the 64-bit data written into it into a variable
> which we later read in the ITS emulation.
> 
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
> ---
>  include/kvm/vgic/vgic.h       |  8 ++++++++
>  virt/kvm/arm/vgic/vgic_mmio.c | 26 ++++++++++++++++++++++----
>  2 files changed, 30 insertions(+), 4 deletions(-)
> 
> diff --git a/include/kvm/vgic/vgic.h b/include/kvm/vgic/vgic.h
> index 11344e6..8ea5dd7 100644
> --- a/include/kvm/vgic/vgic.h
> +++ b/include/kvm/vgic/vgic.h
> @@ -145,6 +145,14 @@ struct vgic_dist {
>  
>  	struct vgic_io_device	*dist_iodevs;
>  	struct vgic_io_device	*redist_iodevs;
> +
> +	/* Address of LPI configuration table shared by all redistributors */
> +	u64			propbaser;
> +
> +	/* Addresses of LPI pending tables per redistributor */
> +	u64			*pendbaser;

All these should probably either be phys_addr_t or gpa_t.

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...



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