On 3/4/20 9:33 PM, Marc Zyngier wrote:
> Implement mask/unmask for virtual SGIs by calling into the
> configuration helper.
>
> Signed-off-by: Marc Zyngier <[email protected]>
> Reviewed-by: Zenghui Yu <[email protected]>
> ---
> drivers/irqchip/irq-gic-v3-its.c | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/drivers/irqchip/irq-gic-v3-its.c
> b/drivers/irqchip/irq-gic-v3-its.c
> index e0db3f906f87..c93f178914ee 100644
> --- a/drivers/irqchip/irq-gic-v3-its.c
> +++ b/drivers/irqchip/irq-gic-v3-its.c
> @@ -3939,6 +3939,22 @@ static void its_configure_sgi(struct irq_data *d, bool
> clear)
> its_send_single_vcommand(find_4_1_its(), its_build_vsgi_cmd, &desc);
> }
>
> +static void its_sgi_mask_irq(struct irq_data *d)
> +{
> + struct its_vpe *vpe = irq_data_get_irq_chip_data(d);
> +
> + vpe->sgi_config[d->hwirq].enabled = false;
> + its_configure_sgi(d, false);
> +}
> +
> +static void its_sgi_unmask_irq(struct irq_data *d)
> +{
> + struct its_vpe *vpe = irq_data_get_irq_chip_data(d);
> +
> + vpe->sgi_config[d->hwirq].enabled = true;
> + its_configure_sgi(d, false);
> +}
> +
> static int its_sgi_set_affinity(struct irq_data *d,
> const struct cpumask *mask_val,
> bool force)
> @@ -3948,6 +3964,8 @@ static int its_sgi_set_affinity(struct irq_data *d,
>
> static struct irq_chip its_sgi_irq_chip = {
> .name = "GICv4.1-sgi",
> + .irq_mask = its_sgi_mask_irq,
> + .irq_unmask = its_sgi_unmask_irq,
> .irq_set_affinity = its_sgi_set_affinity,
> };
>
>
Reviewed-by: Eric Auger <[email protected]>
Thanks
Eric
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