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-rw-r--r--arch/arm64/include/asm/smp_plat.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/smp_plat.h b/arch/arm64/include/asm/smp_plat.h
index ed43a0d2b1b..59e282311b5 100644
--- a/arch/arm64/include/asm/smp_plat.h
+++ b/arch/arm64/include/asm/smp_plat.h
@@ -21,6 +21,19 @@
#include <asm/types.h>
+struct mpidr_hash {
+ u64 mask;
+ u32 shift_aff[4];
+ u32 bits;
+};
+
+extern struct mpidr_hash mpidr_hash;
+
+static inline u32 mpidr_hash_size(void)
+{
+ return 1 << mpidr_hash.bits;
+}
+
/*
* Logical CPU mapping.
*/