linux/include/asm-x86/mach-default/mach_ipi.h
Thomas Gleixner 96a388de5d i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-10-11 11:20:03 +02:00

55 lines
1.2 KiB
C

#ifndef __ASM_MACH_IPI_H
#define __ASM_MACH_IPI_H
/* Avoid include hell */
#define NMI_VECTOR 0x02
void send_IPI_mask_bitmask(cpumask_t mask, int vector);
void __send_IPI_shortcut(unsigned int shortcut, int vector);
extern int no_broadcast;
static inline void send_IPI_mask(cpumask_t mask, int vector)
{
send_IPI_mask_bitmask(mask, vector);
}
static inline void __local_send_IPI_allbutself(int vector)
{
if (no_broadcast || vector == NMI_VECTOR) {
cpumask_t mask = cpu_online_map;
cpu_clear(smp_processor_id(), mask);
send_IPI_mask(mask, vector);
} else
__send_IPI_shortcut(APIC_DEST_ALLBUT, vector);
}
static inline void __local_send_IPI_all(int vector)
{
if (no_broadcast || vector == NMI_VECTOR)
send_IPI_mask(cpu_online_map, vector);
else
__send_IPI_shortcut(APIC_DEST_ALLINC, vector);
}
static inline void send_IPI_allbutself(int vector)
{
/*
* if there are no other CPUs in the system then we get an APIC send
* error if we try to broadcast, thus avoid sending IPIs in this case.
*/
if (!(num_online_cpus() > 1))
return;
__local_send_IPI_allbutself(vector);
return;
}
static inline void send_IPI_all(int vector)
{
__local_send_IPI_all(vector);
}
#endif /* __ASM_MACH_IPI_H */