196 	mtx_init(&pic_list_lock, "intr pic list", NULL, MTX_DEF);  in intr_irq_init()
550  *  A support function for a PIC to decide if provided ISRC should be inited
658 	 * In NOCPU case, it's up to PIC to either leave ISRC on same CPU or  in intr_isrc_assign_cpu()
660 	 * PIC is expected to change isrc_cpu appropriately to keep us well  in intr_isrc_assign_cpu()
763 	struct intr_pic *pic;  local
770 	/* Note that pic->pic_dev is never NULL on registered PIC. */
771 	SLIST_FOREACH(pic, &pic_list, pic_next) {
772 		if ((pic->pic_flags & FLAG_TYPE_MASK) !=
777 			if (xref == pic->pic_xref)
778 				return (pic);
779 		} else if (xref == 0 || pic->pic_xref == 0) {
780 			if (dev == pic->pic_dev)
781 				return (pic);
782 		} else if (xref == pic->pic_xref && dev == pic->pic_dev)
783 				return (pic);
794 	struct intr_pic *pic;  local
797 	pic = pic_lookup_locked(dev, xref, flags);
799 	return (pic);
808 	struct intr_pic *pic;  local
811 	pic = pic_lookup_locked(dev, xref, flags);
812 	if (pic != NULL) {
814 		return (pic);
816 	pic = malloc(sizeof(*pic), M_INTRNG, M_NOWAIT | M_ZERO);
817 	if (pic == NULL) {
821 	pic->pic_xref = xref;
822 	pic->pic_dev = dev;
823 	pic->pic_flags = flags;
824 	mtx_init(&pic->pic_child_lock, "pic child lock", NULL, MTX_SPIN);
825 	SLIST_INSERT_HEAD(&pic_list, pic, pic_next);
828 	return (pic);
837 	struct intr_pic *pic;  local
840 	pic = pic_lookup_locked(dev, xref, flags);
841 	if (pic == NULL) {
845 	SLIST_REMOVE(&pic_list, pic, intr_pic, pic_next);
848 	free(pic, M_INTRNG);
857 	struct intr_pic *pic;  local
861 	pic = pic_create(dev, xref, FLAG_PIC);
862 	if (pic == NULL)
865 	debugf("PIC %p registered for %s <dev %p, xref %jx>\n", pic,
867 	return (pic);
884  *  in interrupt controller's tree. So root PIC must claim itself as a root.
896 	struct intr_pic *pic;  local
899 	pic = pic_lookup(dev, xref, FLAG_PIC);
900 	if (pic == NULL) {
905 	KASSERT((pic->pic_flags & FLAG_TYPE_MASK) == FLAG_PIC,
906 	    ("%s: Found a non-PIC controller: %s", __func__,
907 	     device_get_name(pic->pic_dev)));
939 intr_pic_add_handler(device_t parent, struct intr_pic *pic,  argument
949 	/* Find the parent PIC */
955 	newchild->pc_pic = pic;
964 		KASSERT(child->pc_pic != pic, ("%s: Adding a child PIC twice",
978 	struct intr_pic *pic;  local
984 	pic = pic_lookup(dev, xref,
986 	if (pic == NULL)
991 		KASSERT((pic->pic_flags & FLAG_TYPE_MASK) == FLAG_MSI,
993 		     device_get_name(pic->pic_dev)));
999 		KASSERT((pic->pic_flags & FLAG_TYPE_MASK) == FLAG_PIC,
1000 		    ("%s: Found a non-PIC controller: %s", __func__,
1001 		     device_get_name(pic->pic_dev)));
1002 		return (PIC_MAP_INTR(pic->pic_dev, data, isrc));
1355 	struct intr_pic *pic;  local
1359 	pic = pic_create(dev, xref, FLAG_MSI);
1360 	if (pic == NULL)
1363 	debugf("PIC %p registered for %s <dev %p, xref %jx>\n", pic,
1374 	struct intr_pic *pic;  local
1379 	pic = pic_lookup(NULL, xref, FLAG_MSI);
1380 	if (pic == NULL)
1383 	KASSERT((pic->pic_flags & FLAG_TYPE_MASK) == FLAG_MSI,
1385 	     device_get_name(pic->pic_dev)));
1391 	err = MSI_IOMMU_INIT(pic->pic_dev, child, &domain);
1396 	err = MSI_ALLOC_MSI(pic->pic_dev, child, count, maxcount, &pdev, isrc);
1408 		irqs[i] = intr_map_irq(pic->pic_dev, xref,
1421 	struct intr_pic *pic;  local
1425 	pic = pic_lookup(NULL, xref, FLAG_MSI);
1426 	if (pic == NULL)
1429 	KASSERT((pic->pic_flags & FLAG_TYPE_MASK) == FLAG_MSI,
1431 	     device_get_name(pic->pic_dev)));
1444 	MSI_IOMMU_DEINIT(pic->pic_dev, child);
1446 	err = MSI_RELEASE_MSI(pic->pic_dev, child, count, isrc);
1462 	struct intr_pic *pic;  local
1467 	pic = pic_lookup(NULL, xref, FLAG_MSI);
1468 	if (pic == NULL)
1471 	KASSERT((pic->pic_flags & FLAG_TYPE_MASK) == FLAG_MSI,
1473 	     device_get_name(pic->pic_dev)));
1479 	err = MSI_IOMMU_INIT(pic->pic_dev, child, &domain);
1483 	err = MSI_ALLOC_MSIX(pic->pic_dev, child, &pdev, &isrc);
1491 	*irq = intr_map_irq(pic->pic_dev, xref, (struct intr_map_data *)msi);
1499 	struct intr_pic *pic;  local
1503 	pic = pic_lookup(NULL, xref, FLAG_MSI);
1504 	if (pic == NULL)
1507 	KASSERT((pic->pic_flags & FLAG_TYPE_MASK) == FLAG_MSI,
1509 	     device_get_name(pic->pic_dev)));
1522 	MSI_IOMMU_DEINIT(pic->pic_dev, child);
1524 	err = MSI_RELEASE_MSIX(pic->pic_dev, child, isrc);
1535 	struct intr_pic *pic;  local
1538 	pic = pic_lookup(NULL, xref, FLAG_MSI);
1539 	if (pic == NULL)
1542 	KASSERT((pic->pic_flags & FLAG_TYPE_MASK) == FLAG_MSI,
1544 	     device_get_name(pic->pic_dev)));
1550 	err = MSI_MAP_MSI(pic->pic_dev, child, isrc, addr, data);
1880 			panic("%s: no IPI PIC attached", __func__);