Re: [Xen-devel] [RFC 11/29] xen/arm: Introduce gic_route_dt_irq

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Mon, 2013-04-29 at 00:01 +0100, Julien Grall wrote:
> This function routes an IRQ to a specific cpu. The IRQ is retrieved via
> the device tree.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

> ---
>  xen/arch/arm/gic.c        |   11 +++++++++++
>  xen/include/asm-arm/gic.h |    5 +++++
>  2 files changed, 16 insertions(+)
> 
> diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c
> index bac2af2..e03bb67 100644
> --- a/xen/arch/arm/gic.c
> +++ b/xen/arch/arm/gic.c
> @@ -238,6 +238,17 @@ static int gic_route_irq(unsigned int irq, bool_t level,
>      return 0;
>  }
>  
> +/* Program the GIC to route an interrupt with a dt_irq */
> +void gic_route_dt_irq(const struct dt_irq *irq, unsigned int cpu_mask,
> +                      unsigned int priority)
> +{
> +    bool_t level;
> +
> +    level = irq_is_level_trigger(irq);
> +
> +    gic_route_irq(irq->irq, level, cpu_mask, priority);
> +}
> +
>  static void __init gic_dist_init(void)
>  {
>      uint32_t type;
> diff --git a/xen/include/asm-arm/gic.h b/xen/include/asm-arm/gic.h
> index c3f87e1..2fac673 100644
> --- a/xen/include/asm-arm/gic.h
> +++ b/xen/include/asm-arm/gic.h
> @@ -133,6 +133,8 @@
>  #define VGIC_IRQ_EVTCHN_CALLBACK 31
>  
>  #ifndef __ASSEMBLY__
> +#include <xen/device_tree.h>
> +
>  extern int domain_vgic_init(struct domain *d);
>  extern void domain_vgic_free(struct domain *d);
>  
> @@ -141,6 +143,9 @@ extern int vcpu_vgic_init(struct vcpu *v);
>  extern void vgic_vcpu_inject_irq(struct vcpu *v, unsigned int irq,int 
> virtual);
>  extern struct pending_irq *irq_to_pending(struct vcpu *v, unsigned int irq);
>  
> +/* Program the GIC to route an interrupt with a dt_irq */
> +extern void gic_route_dt_irq(const struct dt_irq *irq, unsigned int cpu_mask,
> +                             unsigned int priority);
>  extern void gic_route_ppis(void);
>  extern void gic_route_spis(void);
>  



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