diff options
Diffstat (limited to 'arch/mips/include/asm/smp.h')
| -rw-r--r-- | arch/mips/include/asm/smp.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h index d4fb4d852a6..b037334fca2 100644 --- a/arch/mips/include/asm/smp.h +++ b/arch/mips/include/asm/smp.h @@ -26,7 +26,7 @@ extern cpumask_t cpu_sibling_map[]; #define raw_smp_processor_id() (current_thread_info()->cpu) /* Map from cpu id to sequential logical cpu number. This will only - not be idempotent when cpus failed to come on-line. */ + not be idempotent when cpus failed to come on-line. */ extern int __cpu_number_map[NR_CPUS]; #define cpu_number_map(cpu) __cpu_number_map[cpu] @@ -36,13 +36,19 @@ extern int __cpu_logical_map[NR_CPUS]; #define NO_PROC_ID (-1) -#define SMP_RESCHEDULE_YOURSELF 0x1 /* XXX braindead */ +#define SMP_RESCHEDULE_YOURSELF 0x1 /* XXX braindead */ #define SMP_CALL_FUNCTION 0x2 /* Octeon - Tell another core to flush its icache */ #define SMP_ICACHE_FLUSH 0x4 +/* Used by kexec crashdump to save all cpu's state */ +#define SMP_DUMP 0x8 +#define SMP_ASK_C0COUNT 0x10 extern volatile cpumask_t cpu_callin_map; +/* Mask of CPUs which are currently definitely operating coherently */ +extern cpumask_t cpu_coherent_mask; + extern void asmlinkage smp_bootstrap(void); /* @@ -60,14 +66,14 @@ static inline void smp_send_reschedule(int cpu) #ifdef CONFIG_HOTPLUG_CPU static inline int __cpu_disable(void) { - extern struct plat_smp_ops *mp_ops; /* private */ + extern struct plat_smp_ops *mp_ops; /* private */ return mp_ops->cpu_disable(); } static inline void __cpu_die(unsigned int cpu) { - extern struct plat_smp_ops *mp_ops; /* private */ + extern struct plat_smp_ops *mp_ops; /* private */ mp_ops->cpu_die(cpu); } @@ -79,16 +85,20 @@ extern asmlinkage void smp_call_function_interrupt(void); static inline void arch_send_call_function_single_ipi(int cpu) { - extern struct plat_smp_ops *mp_ops; /* private */ + extern struct plat_smp_ops *mp_ops; /* private */ mp_ops->send_ipi_mask(&cpumask_of_cpu(cpu), SMP_CALL_FUNCTION); } static inline void arch_send_call_function_ipi_mask(const struct cpumask *mask) { - extern struct plat_smp_ops *mp_ops; /* private */ + extern struct plat_smp_ops *mp_ops; /* private */ mp_ops->send_ipi_mask(mask, SMP_CALL_FUNCTION); } +#if defined(CONFIG_KEXEC) +extern void (*dump_ipi_function_ptr)(void *); +void dump_send_ipi(void (*dump_ipi_callback)(void *)); +#endif #endif /* __ASM_SMP_H */ |