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-rw-r--r--include/linux/irqchip/arm-gic-v4.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/irqchip/arm-gic-v4.h b/include/linux/irqchip/arm-gic-v4.h
index 58a4d89aa82c..e26a668826e6 100644
--- a/include/linux/irqchip/arm-gic-v4.h
+++ b/include/linux/irqchip/arm-gic-v4.h
@@ -20,6 +20,12 @@
struct its_vpe;
+/*
+ * Maximum number of ITTs when GITS_TYPER.VMOVP == 0, using the
+ * ITSList mechanism to perform inter-ITS synchronization.
+ */
+#define GICv4_ITS_LIST_MAX 16
+
/* Embedded in kvm.arch */
struct its_vm {
struct fwnode_handle *fwnode;