Function ciu_setup_intr

freebsd/mips/cavium/ciu.c:206–258

}

static int
ciu_setup_intr(device_t bus, device_t child, struct resource *res, int flags,
	       driver_filter_t *filter, driver_intr_t *intr, void *arg,
	       void **cookiep)
{
	struct intr_event *event, **eventp;
	void (*mask_func)(void *);
	void (*unmask_func)(void *);
	int (*bind_func)(void *, int);
	mips_intrcnt_t intrcnt;
	int error;
	int irq;

	irq = rman_get_start(res);
	if (irq <= CIU_IRQ_EN0_END) {
		eventp = &ciu_en0_intr_events[irq - CIU_IRQ_EN0_BEGIN];
		intrcnt = ciu_en0_intrcnt[irq - CIU_IRQ_EN0_BEGIN];
		mask_func = ciu_en0_intr_mask;
		unmask_func = ciu_en0_intr_unmask;
#ifdef SMP
		bind_func = ciu_en0_intr_bind;
#endif
	} else {
		eventp = &ciu_en1_intr_events[irq - CIU_IRQ_EN1_BEGIN];
		intrcnt = ciu_en1_intrcnt[irq - CIU_IRQ_EN1_BEGIN];
		mask_func = ciu_en1_intr_mask;
		unmask_func = ciu_en1_intr_unmask;
#ifdef SMP
		bind_func = ciu_en1_intr_bind;
#endif
	}
#if !defined(SMP)
	bind_func = NULL;
#endif

	if ((event = *eventp) == NULL) {
		error = intr_event_create(eventp, (void *)(uintptr_t)irq, 0,
		    irq, mask_func, unmask_func, NULL, bind_func, "int%d", irq);
		if (error != 0)
			return (error);

		event = *eventp;

		unmask_func((void *)(uintptr_t)irq);
	}

	intr_event_add_handler(event, device_get_nameunit(child),
	    filter, intr, arg, intr_priority(flags), flags, cookiep);

	mips_intrcnt_setname(intrcnt, event->ie_fullname);

	return (0);
}

static int
ciu_teardown_intr(device_t bus, device_t child, struct resource *res,