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 */ 8dfc1fec2SAndrew Jones #include <cpumask.h> 9*b2d54669SAndrew Jones #include <on-cpus.h> 1005a76472SAndrew Jones #include <asm/barrier.h> 1168ea0e0bSAndrew Jones #include <asm/thread_info.h> 1268ea0e0bSAndrew Jones 1368ea0e0bSAndrew Jones #define smp_processor_id() (current_thread_info()->cpu) 1468ea0e0bSAndrew Jones 156afb9481SAlexandru Elisei typedef void (*secondary_entry_fn)(void); 166afb9481SAlexandru Elisei 176afb9481SAlexandru Elisei struct secondary_data { 186afb9481SAlexandru Elisei void *stack; /* must be first member of struct */ 196afb9481SAlexandru Elisei secondary_entry_fn entry; 206afb9481SAlexandru Elisei }; 216afb9481SAlexandru Elisei extern struct secondary_data secondary_data; 226afb9481SAlexandru Elisei 2305a76472SAndrew Jones #define smp_wait_for_event() wfe() 2405a76472SAndrew Jones #define smp_send_event() sev() 2505a76472SAndrew Jones 2668ea0e0bSAndrew Jones extern void halt(void); 2768ea0e0bSAndrew Jones 2801855004SAndrew Jones extern void smp_boot_secondary(int cpu, secondary_entry_fn entry); 2901855004SAndrew Jones extern void smp_boot_secondary_nofail(int cpu, secondary_entry_fn entry); 3001855004SAndrew Jones 3168ea0e0bSAndrew Jones #endif /* _ASMARM_SMP_H_ */ 32