arm64: kernel: build MPIDR_EL1 hash function data structure

[deliverable/linux.git] / arch / arm64 / include / asm / smp_plat.h

diff --git a/arch/arm64/include/asm/smp_plat.h b/arch/arm64/include/asm/smp_plat.h
index ed43a0d2b1b2c19aaf4e3d2ecca6eecc655bea94..59e282311b582b76b975fa5fe5520090a3f3687d 100644 (file)
--- 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.
  */