irqchip/gic-v3-its: Add VPE invalidation hook

When a guest issues a INVALL command targetting a collection, it must
be translated into a VINVALL for the VPE that has this collection.

This patch implements a hook that offers this functionallity to the
hypervisor.

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index f482704..21b728d 100644 (file)
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -2232,6 +2232,10 @@ static int its_vpe_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
                its_vpe_deschedule(vpe);
                return 0;
 
+       case INVALL_VPE:
+               its_send_vinvall(vpe);
+               return 0;
+
        default:
                return -EINVAL;
        }