[PATCH v6 02/24] KVM: arm/arm64: Add GICV3 pending table save API documentation

[Christoffer Dall]

On Thu, May 04, 2017 at 01:44:22PM +0200, Eric Auger wrote:
> Add description for how to save GICV3 LPI pending bit into
> guest RAM pending tables.
> 
> Signed-off-by: Eric Auger <eric.auger at redhat.com>
> 

Acked-by: Christoffer Dall <cdall at linaro.org>

> ---
> v5: creation
> ---
>  Documentation/virtual/kvm/devices/arm-vgic-v3.txt | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/virtual/kvm/devices/arm-vgic-v3.txt b/Documentation/virtual/kvm/devices/arm-vgic-v3.txt
> index c1a2461..9293b45 100644
> --- a/Documentation/virtual/kvm/devices/arm-vgic-v3.txt
> +++ b/Documentation/virtual/kvm/devices/arm-vgic-v3.txt
> @@ -167,11 +167,17 @@ Groups:
>      KVM_DEV_ARM_VGIC_CTRL_INIT
>        request the initialization of the VGIC, no additional parameter in
>        kvm_device_attr.addr.
> +    KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES
> +      save all LPI pending bits into guest RAM pending tables.
> +
> +      The first kB of the pending table is not altered by this operation.
>    Errors:
>      -ENXIO: VGIC not properly configured as required prior to calling
>       this attribute
>      -ENODEV: no online VCPU
>      -ENOMEM: memory shortage when allocating vgic internal data
> +    -EFAULT: Invalid guest ram access
> +    -EBUSY:  One or more VCPUS are running
>  
>  
>    KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO
> -- 
> 2.5.5
>