168ea0e0bSAndrew Jones #ifndef _ASMARM_SMP_H_ 268ea0e0bSAndrew Jones #define _ASMARM_SMP_H_ 368ea0e0bSAndrew Jones /* 468ea0e0bSAndrew Jones * Copyright (C) 2015, Red Hat Inc, Andrew Jones <drjones@redhat.com> 568ea0e0bSAndrew Jones * 668ea0e0bSAndrew Jones * This work is licensed under the terms of the GNU LGPL, version 2. 768ea0e0bSAndrew Jones */ 868ea0e0bSAndrew Jones #include <asm/thread_info.h> 968ea0e0bSAndrew Jones #include <asm/cpumask.h> 1068ea0e0bSAndrew Jones 1168ea0e0bSAndrew Jones #define smp_processor_id() (current_thread_info()->cpu) 1268ea0e0bSAndrew Jones 1368ea0e0bSAndrew Jones extern void halt(void); 14*9246de4cSAndrew Jones extern void do_idle(void); 1568ea0e0bSAndrew Jones 1668ea0e0bSAndrew Jones extern cpumask_t cpu_present_mask; 1768ea0e0bSAndrew Jones extern cpumask_t cpu_online_mask; 18*9246de4cSAndrew Jones extern cpumask_t cpu_idle_mask; 1968ea0e0bSAndrew Jones #define cpu_present(cpu) cpumask_test_cpu(cpu, &cpu_present_mask) 2068ea0e0bSAndrew Jones #define cpu_online(cpu) cpumask_test_cpu(cpu, &cpu_online_mask) 21*9246de4cSAndrew Jones #define cpu_idle(cpu) cpumask_test_cpu(cpu, &cpu_idle_mask) 2268ea0e0bSAndrew Jones #define for_each_present_cpu(cpu) for_each_cpu(cpu, &cpu_present_mask) 2368ea0e0bSAndrew Jones #define for_each_online_cpu(cpu) for_each_cpu(cpu, &cpu_online_mask) 2468ea0e0bSAndrew Jones 2568ea0e0bSAndrew Jones static inline void set_cpu_present(int cpu, bool present) 2668ea0e0bSAndrew Jones { 2768ea0e0bSAndrew Jones if (present) 2868ea0e0bSAndrew Jones cpumask_set_cpu(cpu, &cpu_present_mask); 2968ea0e0bSAndrew Jones else 3068ea0e0bSAndrew Jones cpumask_clear_cpu(cpu, &cpu_present_mask); 3168ea0e0bSAndrew Jones } 3268ea0e0bSAndrew Jones 3368ea0e0bSAndrew Jones static inline void set_cpu_online(int cpu, bool online) 3468ea0e0bSAndrew Jones { 3568ea0e0bSAndrew Jones if (online) 3668ea0e0bSAndrew Jones cpumask_set_cpu(cpu, &cpu_online_mask); 3768ea0e0bSAndrew Jones else 3868ea0e0bSAndrew Jones cpumask_clear_cpu(cpu, &cpu_online_mask); 3968ea0e0bSAndrew Jones } 4068ea0e0bSAndrew Jones 41*9246de4cSAndrew Jones static inline void set_cpu_idle(int cpu, bool idle) 42*9246de4cSAndrew Jones { 43*9246de4cSAndrew Jones if (idle) 44*9246de4cSAndrew Jones cpumask_set_cpu(cpu, &cpu_idle_mask); 45*9246de4cSAndrew Jones else 46*9246de4cSAndrew Jones cpumask_clear_cpu(cpu, &cpu_idle_mask); 47*9246de4cSAndrew Jones } 48*9246de4cSAndrew Jones 4968ea0e0bSAndrew Jones typedef void (*secondary_entry_fn)(void); 5068ea0e0bSAndrew Jones extern void smp_boot_secondary(int cpu, secondary_entry_fn entry); 51543ce33cSAndrew Jones extern void smp_run(void (*func)(void)); 5268ea0e0bSAndrew Jones 5368ea0e0bSAndrew Jones #endif /* _ASMARM_SMP_H_ */ 54