Re: [Xen-devel] [RFC PATCH V2 3/26] VIOMMU: Add irq request callback to deal with irq remapping

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, May 18, 2017 at 01:34:33AM -0400, Lan Tianyu wrote:
> This patch is to add irq request callback for platform implementation
> to deal with irq remapping request.
> 
> Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx>
> ---
>  xen/common/viommu.c          | 15 +++++++++
>  xen/include/asm-x86/viommu.h | 73 
> ++++++++++++++++++++++++++++++++++++++++++++
>  xen/include/xen/viommu.h     |  9 ++++++
>  3 files changed, 97 insertions(+)
>  create mode 100644 xen/include/asm-x86/viommu.h
> 
> diff --git a/xen/common/viommu.c b/xen/common/viommu.c
> index 74afbf5..4e3ecd7 100644
> --- a/xen/common/viommu.c
> +++ b/xen/common/viommu.c
> @@ -194,6 +194,21 @@ int __init viommu_setup(void)
>      return 0;
>  }
>  
> +int viommu_handle_irq_request(struct domain *d, u32 viommu_id,
> +        struct irq_remapping_request *request)

Indentation.

> +{
> +    struct viommu_info *info = &d->viommu;
> +
> +    if ( !info || viommu_id > info->nr_viommu

">=" ?

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