diff options
Diffstat (limited to 'arch/powerpc/include/asm/smp.h')
| -rw-r--r-- | arch/powerpc/include/asm/smp.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index 6f7c95c0027a..26f861560c51 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -20,6 +20,7 @@ #include <linux/threads.h> #include <linux/cpumask.h> #include <linux/kernel.h> +#include <linux/irqreturn.h> #ifndef __ASSEMBLY__ @@ -37,6 +38,7 @@ extern void cpu_die(void); struct smp_ops_t { void (*message_pass)(int cpu, int msg); + void (*cause_ipi)(int cpu, unsigned long data); int (*probe)(void); int (*kick_cpu)(int nr); void (*setup_cpu)(int nr); @@ -49,7 +51,6 @@ struct smp_ops_t { }; extern void smp_send_debugger_break(void); -extern void smp_message_recv(int); extern void start_secondary_resume(void); extern void __devinit smp_generic_give_timebase(void); extern void __devinit smp_generic_take_timebase(void); @@ -109,13 +110,16 @@ extern int cpu_to_core_id(int cpu); #define PPC_MSG_CALL_FUNC_SINGLE 2 #define PPC_MSG_DEBUGGER_BREAK 3 -/* - * irq controllers that have dedicated ipis per message and don't - * need additional code in the action handler may use this - */ +/* for irq controllers that have dedicated ipis per message (4) */ extern int smp_request_message_ipi(int virq, int message); extern const char *smp_ipi_name[]; +/* for irq controllers with only a single ipi */ +extern void smp_muxed_ipi_set_data(int cpu, unsigned long data); +extern void smp_muxed_ipi_message_pass(int cpu, int msg); +extern void smp_muxed_ipi_resend(void); +extern irqreturn_t smp_ipi_demux(void); + void smp_init_iSeries(void); void smp_init_pSeries(void); void smp_init_cell(void); @@ -185,6 +189,8 @@ extern unsigned long __secondary_hold_spinloop; extern unsigned long __secondary_hold_acknowledge; extern char __secondary_hold; +extern irqreturn_t debug_ipi_action(int irq, void *data); + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ |