645     idm_idpool_t	*pool)  in idm_idpool_increment()  argument
650 	ASSERT(pool->id_magic == IDM_IDPOOL_MAGIC);  in idm_idpool_increment()
652 	new_size = pool->id_size * 2;  in idm_idpool_increment()
657 			bcopy(pool->id_pool, new_pool, pool->id_size / 8);  in idm_idpool_increment()
658 			kmem_free(pool->id_pool, pool->id_size / 8);  in idm_idpool_increment()
659 			pool->id_pool = new_pool;  in idm_idpool_increment()
660 			pool->id_free_counter += new_size - pool->id_size;  in idm_idpool_increment()
661 			pool->id_max_free_counter += new_size - pool->id_size;  in idm_idpool_increment()
662 			pool->id_size = new_size;  in idm_idpool_increment()
663 			pool->id_idx_msk = (new_size / 8) - 1;  in idm_idpool_increment()
666 				pool->id_pool[pool->id_idx_msk] = 0x80;  in idm_idpool_increment()
667 				pool->id_free_counter--;  in idm_idpool_increment()
668 				pool->id_max_free_counter--;  in idm_idpool_increment()
683 idm_idpool_create(idm_idpool_t *pool)  in idm_idpool_create()  argument
686 	ASSERT(pool->id_magic != IDM_IDPOOL_MAGIC);  in idm_idpool_create()
688 	pool->id_size = IDM_IDPOOL_MIN_SIZE;  in idm_idpool_create()
689 	pool->id_idx_msk = (IDM_IDPOOL_MIN_SIZE / 8) - 1;  in idm_idpool_create()
690 	pool->id_free_counter = IDM_IDPOOL_MIN_SIZE - 1;  in idm_idpool_create()
691 	pool->id_max_free_counter = IDM_IDPOOL_MIN_SIZE - 1;  in idm_idpool_create()
692 	pool->id_bit = 0x02;  in idm_idpool_create()
693 	pool->id_bit_idx = 1;  in idm_idpool_create()
694 	pool->id_idx = 0;  in idm_idpool_create()
695 	pool->id_pool = (uint8_t *)kmem_alloc((IDM_IDPOOL_MIN_SIZE / 8),  in idm_idpool_create()
697 	bzero(pool->id_pool, (IDM_IDPOOL_MIN_SIZE / 8));  in idm_idpool_create()
699 	pool->id_pool[0] = 0x01;		/* id 0 made unavailable */  in idm_idpool_create()
700 	mutex_init(&pool->id_mutex, NULL, MUTEX_DEFAULT, NULL);  in idm_idpool_create()
701 	pool->id_magic = IDM_IDPOOL_MAGIC;  in idm_idpool_create()
713 idm_idpool_destroy(idm_idpool_t *pool)  in idm_idpool_destroy()  argument
715 	ASSERT(pool->id_magic == IDM_IDPOOL_MAGIC);  in idm_idpool_destroy()
716 	ASSERT(pool->id_free_counter == pool->id_max_free_counter);  in idm_idpool_destroy()
717 	pool->id_magic = (uint32_t)~IDM_IDPOOL_MAGIC;  in idm_idpool_destroy()
718 	mutex_destroy(&pool->id_mutex);  in idm_idpool_destroy()
719 	kmem_free(pool->id_pool, (size_t)(pool->id_size / 8));  in idm_idpool_destroy()
728 idm_idpool_alloc(idm_idpool_t *pool, uint16_t *id)  in idm_idpool_alloc()  argument
735 	ASSERT(pool->id_magic == IDM_IDPOOL_MAGIC);  in idm_idpool_alloc()
737 	mutex_enter(&pool->id_mutex);  in idm_idpool_alloc()
738 	if ((pool->id_free_counter == 0) && idm_idpool_increment(pool)) {  in idm_idpool_alloc()
739 		mutex_exit(&pool->id_mutex);  in idm_idpool_alloc()
743 	i = pool->id_size;  in idm_idpool_alloc()
745 		bit = pool->id_bit;  in idm_idpool_alloc()
746 		bit_idx = pool->id_bit_idx;  in idm_idpool_alloc()
747 		byte = pool->id_pool[pool->id_idx];  in idm_idpool_alloc()
754 			pool->id_pool[pool->id_idx] |= bit;  in idm_idpool_alloc()
755 			*id = (uint16_t)(pool->id_idx * 8 + (uint32_t)bit_idx);  in idm_idpool_alloc()
756 			pool->id_free_counter--;  in idm_idpool_alloc()
757 			pool->id_bit = bit;  in idm_idpool_alloc()
758 			pool->id_bit_idx = bit_idx;  in idm_idpool_alloc()
759 			mutex_exit(&pool->id_mutex);  in idm_idpool_alloc()
762 		pool->id_bit = 1;  in idm_idpool_alloc()
763 		pool->id_bit_idx = 0;  in idm_idpool_alloc()
764 		pool->id_idx++;  in idm_idpool_alloc()
765 		pool->id_idx &= pool->id_idx_msk;  in idm_idpool_alloc()
773 	mutex_exit(&pool->id_mutex);  in idm_idpool_alloc()
783 idm_idpool_free(idm_idpool_t *pool, uint16_t id)  in idm_idpool_free()  argument
785 	ASSERT(pool->id_magic == IDM_IDPOOL_MAGIC);  in idm_idpool_free()
789 	mutex_enter(&pool->id_mutex);  in idm_idpool_free()
790 	if (pool->id_pool[id >> 3] & (1 << (id & 7))) {  in idm_idpool_free()
791 		pool->id_pool[id >> 3] &= ~(1 << (id & 7));  in idm_idpool_free()
792 		pool->id_free_counter++;  in idm_idpool_free()
793 		ASSERT(pool->id_free_counter <= pool->id_max_free_counter);  in idm_idpool_free()
794 		mutex_exit(&pool->id_mutex);  in idm_idpool_free()
799 	mutex_exit(&pool->id_mutex);  in idm_idpool_free()