You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
1.2 KiB
54 lines
1.2 KiB
#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 */
|
|
|