_iflib_irq_alloc
return (_iflib_irq_alloc(ctx, irq, rid, filter, handler, arg, name));
err = _iflib_irq_alloc(ctx, irq, rid, intr_fast, NULL, info, name);
err = _iflib_irq_alloc(ctx, irq, rid, intr_fast, NULL, info, name);
err = _iflib_irq_alloc(ctx, irq, tqrid, rx_only ? iflib_fast_intr :