irqchip/gic-v3-its: Add GICv4 ITS command definitions

Add the new GICv4 ITS command definitions, most of them, being
defined in terms of their physical counterparts.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
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 19ce99b78042457236894680365268f347cd81c9..dd92a8a4572a772070c4c93b1a532052dec0efc6 100644 (file)
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013, 2014 ARM Limited, All Rights Reserved.
+ * Copyright (C) 2013-2017 ARM Limited, All Rights Reserved.
  * Author: Marc Zyngier <marc.zyngier@arm.com>
  *
  * This program is free software; you can redistribute it and/or modify

diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index af8c55105fc22aa3840efaa4a592d8552009a11c..7c6fd8f3e36c916cb73b5451febd81eda8a7ce95 100644 (file)
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -347,6 +347,18 @@
 #define GITS_CMD_CLEAR                 0x04
 #define GITS_CMD_SYNC                  0x05
 
+/*
+ * GICv4 ITS specific commands
+ */
+#define GITS_CMD_GICv4(x)              ((x) | 0x20)
+#define GITS_CMD_VINVALL               GITS_CMD_GICv4(GITS_CMD_INVALL)
+#define GITS_CMD_VMAPP                 GITS_CMD_GICv4(GITS_CMD_MAPC)
+#define GITS_CMD_VMAPTI                        GITS_CMD_GICv4(GITS_CMD_MAPTI)
+#define GITS_CMD_VMOVI                 GITS_CMD_GICv4(GITS_CMD_MOVI)
+#define GITS_CMD_VSYNC                 GITS_CMD_GICv4(GITS_CMD_SYNC)
+/* VMOVP is the odd one, as it doesn't have a physical counterpart */
+#define GITS_CMD_VMOVP                 GITS_CMD_GICv4(2)
+
 /*
  * ITS error numbers
  */