[PATCH v3 24/59] irqchip/gic-v3-its: Add VPE invalidation hook

Marc Zyngier
2017-07-31T17:26:25Z

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>
---
drivers/irqchip/irq-gic-v3-its.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index d94a51489f6c..16cdd1f60ebf 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -2226,6 +2226,10 @@ 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;
}
--
2.11.0