inline void send_IPI_mask_sequence(cpumask_t mask, int vector)
{
unsigned long cfg, flags;
unsigned int query_cpu;
/*
* Hack. The clustered APIC addressing mode doesn't allow us to send
* to an arbitrary mask, so I do a unicasts to each CPU instead. This
* should be modified to do 1 message per cluster ID - mbligh
*/
local_irq_save(flags);
for (query_cpu = 0; query_cpu < NR_CPUS; ++query_cpu) {
if (cpu_isset(query_cpu, mask)) {
/*
* Wait for idle.
*/
apic_wait_icr_idle();
/*
* prepare target chip field
*/
cfg = __prepare_ICR2(cpu_to_logical_apicid(query_cpu));
apic_write_around(APIC_ICR2, cfg);
/*
* program the ICR
*/
cfg = __prepare_ICR(0, vector);
#ifdef CONFIG_KDB
if (vector == KDB_VECTOR) {
/*
* Setup KDB IPI to be delivered as an NMI
*/
cfg = (cfg&~APIC_VECTOR_MASK)|APIC_DM_NMI;
}
#endif /* CONFIG_KDB */
/*
* Send the IPI. The write to APIC_ICR fires this off.
*/
apic_write_around(APIC_ICR, cfg);
}
}
local_irq_restore(flags);
}
static inline void send_IPI_mask_sequence(int mask, int vector)
{
unsigned long cfg, flags;
unsigned int query_cpu, query_mask;
/*
* Hack. The clustered APIC addressing mode doesn't allow us to send
* to an arbitrary mask, so I do a unicasts to each CPU instead. This
* should be modified to do 1 message per cluster ID - mbligh
*/
__save_flags(flags);
__cli();
for (query_cpu = 0; query_cpu < NR_CPUS; ++query_cpu) {
query_mask = 1 << query_cpu;
if (query_mask & mask) {
/*
* Wait for idle.
*/
apic_wait_icr_idle();
/*
* prepare target chip field
*/
if(clustered_apic_mode == CLUSTERED_APIC_XAPIC)
cfg = __prepare_ICR2(cpu_to_physical_apicid(query_cpu));
else
cfg = __prepare_ICR2(cpu_to_logical_apicid(query_cpu));
apic_write_around(APIC_ICR2, cfg);
/*
* program the ICR
*/
cfg = __prepare_ICR(0, vector);
/*
* Send the IPI. The write to APIC_ICR fires this off.
*/
apic_write_around(APIC_ICR, cfg);
}
}
__restore_flags(flags);
}
void send_IPI_mask_sequence(cpumask_t mask, int vector)
{
unsigned long flags;
unsigned int query_cpu;
/*
* Hack. The clustered APIC addressing mode doesn't allow us to send
* to an arbitrary mask, so I do a unicasts to each CPU instead. This
* should be modified to do 1 message per cluster ID - mbligh
*/
local_irq_save(flags);
for (query_cpu = 0; query_cpu < NR_CPUS; ++query_cpu) {
if (cpu_isset(query_cpu, mask)) {
__send_IPI_dest_field(cpu_to_logical_apicid(query_cpu),
vector);
}
}
local_irq_restore(flags);
}