[RFC PATCH 25/33] irqchip/gic-v3-its: Add VPE invalidation hook

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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.

Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
---
 drivers/irqchip/irq-gic-v3-its.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index f918d59..51a1930 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -2090,6 +2090,12 @@ static int its_vpe_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
 		return 0;
 	}
 
+	case INVALL_VPE:
+	{
+		its_send_vinvall(vpe);
+		return 0;
+	}
+
 	default:
 		return -EINVAL;
 	}
-- 
2.1.4

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