/*
* Setup and invoke a run of 'trigger_softirq' on the given cpu.
*/
static int raise_blk_irq(int cpu, struct request *rq)
{
if (cpu_online(cpu)) {
call_single_data_t *data = &rq->csd;
data->func = trigger_softirq;
data->info = rq;
data->flags = 0;
smp_call_function_single_async(cpu, data);
return 0;
}
return 1;
}
/**
* \brief callback when receive interrupt occurs and we are in NAPI mode
* @param arg pointer to octeon output queue
*/
static void liquidio_napi_drv_callback(void *arg)
{
struct octeon_device *oct;
struct octeon_droq *droq = arg;
int this_cpu = smp_processor_id();
oct = droq->oct_dev;
if (OCTEON_CN23XX_PF(oct) || OCTEON_CN23XX_VF(oct) ||
droq->cpu_id == this_cpu) {
napi_schedule_irqoff(&droq->napi);
} else {
call_single_data_t *csd = &droq->csd;
csd->func = napi_schedule_wrapper;
csd->info = &droq->napi;
csd->flags = 0;
smp_call_function_single_async(droq->cpu_id, csd);
}
}
