Re: [Xen-devel] [RFC PATCH V2 4/26] VIOMMU: Add get irq info callback to convert irq remapping request

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, May 18, 2017 at 01:34:34AM -0400, Lan Tianyu wrote:
> This patch is to add get_irq_info callback for platform implementation
> to convert irq remapping request to irq info (E,G vector, dest, dest_mode
> and so on).
> 
> Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx>
> ---
>  xen/common/viommu.c          | 16 ++++++++++++++++
>  xen/include/asm-x86/viommu.h |  8 ++++++++
>  xen/include/xen/viommu.h     |  9 +++++++++
>  3 files changed, 33 insertions(+)
> 
> diff --git a/xen/common/viommu.c b/xen/common/viommu.c
> index 4e3ecd7..c6c9589 100644
> --- a/xen/common/viommu.c
> +++ b/xen/common/viommu.c
> @@ -209,6 +209,22 @@ int viommu_handle_irq_request(struct domain *d, u32 
> viommu_id,
>      return info->viommu[viommu_id]->ops->handle_irq_request(d, request);
>  }
>  
> +int viommu_get_irq_info(struct domain *d, u32 viommu_id,
> +                        struct irq_remapping_request *request,
> +                        struct irq_remapping_info *irq_info)
> +{
> +    struct viommu_info *info = &d->viommu;
> +
> +    if ( !info || viommu_id > info->nr_viommu

>= again?

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