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    SubjectRe: [PATCH v5 10/23] irqchip/gic-v4.1: Plumb mask/unmask SGI callbacks
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    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 <maz@kernel.org>
    > Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
    > ---
    > 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 <eric.auger@redhat.com>

    Thanks

    Eric

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