X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-sh%2Fsmp.h;h=9c8d34b07ebf19cac5a07ce711419410b6209320;hb=13c48c490208d9e70d8d66d56f96c5054db69af7;hp=caa7b93f1bce4f2276e142fff92b081f92425855;hpb=c8d8170feb824875baf68f8aaecb181a6500ce81;p=linux-2.6 diff --git a/include/asm-sh/smp.h b/include/asm-sh/smp.h index caa7b93f1b..9c8d34b07e 100644 --- a/include/asm-sh/smp.h +++ b/include/asm-sh/smp.h @@ -1,12 +1,3 @@ -/* - * include/asm-sh/smp.h - * - * Copyright (C) 2002, 2003 Paul Mundt - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive for - * more details. - */ #ifndef __ASM_SH_SMP_H #define __ASM_SH_SMP_H @@ -20,6 +11,15 @@ #include #define raw_smp_processor_id() (current_thread_info()->cpu) +#define hard_smp_processor_id() plat_smp_processor_id() + +/* Map from cpu id to sequential logical cpu number. */ +extern int __cpu_number_map[NR_CPUS]; +#define cpu_number_map(cpu) __cpu_number_map[cpu] + +/* The reverse map from sequential logical cpu number to cpu id. */ +extern int __cpu_logical_map[NR_CPUS]; +#define cpu_logical_map(cpu) __cpu_logical_map[cpu] /* I've no idea what the real meaning of this is */ #define PROC_CHANGE_PENALTY 20 @@ -35,7 +35,21 @@ struct smp_fn_call_struct { extern struct smp_fn_call_struct smp_fn_call; -#define SMP_MSG_RESCHEDULE 0x0001 +#define SMP_MSG_FUNCTION 0 +#define SMP_MSG_RESCHEDULE 1 +#define SMP_MSG_NR 2 + +void plat_smp_setup(void); +void plat_prepare_cpus(unsigned int max_cpus); +int plat_smp_processor_id(void); +void plat_start_cpu(unsigned int cpu, unsigned long entry_point); +void plat_send_ipi(unsigned int cpu, unsigned int message); +int plat_register_ipi_handler(unsigned int message, + void (*handler)(void *), void *arg); + +#else + +#define hard_smp_processor_id() (0) #endif /* CONFIG_SMP */