1 /* 2 * Definitions specific to SMP platforms. 3 * 4 * Copyright (C) 2013 ARM Ltd. 5 * 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #ifndef __ASM_SMP_PLAT_H 20 #define __ASM_SMP_PLAT_H 21 22 #include <asm/types.h> 23 24 struct mpidr_hash { 25 u64 mask; 26 u32 shift_aff[4]; 27 u32 bits; 28 }; 29 30 extern struct mpidr_hash mpidr_hash; 31 32 static inline u32 mpidr_hash_size(void) 33 { 34 return 1 << mpidr_hash.bits; 35 } 36 37 /* 38 * Logical CPU mapping. 39 */ 40 extern u64 __cpu_logical_map[NR_CPUS]; 41 #define cpu_logical_map(cpu) __cpu_logical_map[cpu] 42 43 #endif /* __ASM_SMP_PLAT_H */ 44