irqchip/gic-v4.1: Allow direct invalidation of VLPIs

Just like for INVALL, GICv4.1 has grown a VPE-aware INVLPI register.
Let's plumb it in and make use of the DirectLPI code in that case.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20191224111055.11836-16-maz@kernel.org
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index 49ed6fa..f0b8ca7 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -247,6 +247,7 @@
 #define GICR_TYPER_COMMON_LPI_AFF	GENMASK_ULL(25, 24)
 #define GICR_TYPER_AFFINITY		GENMASK_ULL(63, 32)
 
+#define GICR_INVLPIR_INTID		GENMASK_ULL(31, 0)
 #define GICR_INVLPIR_VPEID		GENMASK_ULL(47, 32)
 #define GICR_INVLPIR_V			GENMASK_ULL(63, 63)