1/*
2 * Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 *    conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 *    of conditions and the following disclaimer in the documentation and/or other materials
13 *    provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 *    to endorse or promote products derived from this software without specific prior written
17 *    permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef __USB_BTREE_H__
33#define	__USB_BTREE_H__
34
35#include <los_typedef.h>
36#include <securec.h>
37
38#ifdef __cplusplus
39#if __cplusplus
40extern "C" {
41#endif /* __cplusplus */
42#endif /* __cplusplus */
43
44struct node_info {
45	uint8_t port_no;
46	const char *nameunit;  /* Save dev_nameunit address. */
47};
48
49typedef struct usbd_bt_node {
50	struct node_info info;
51	struct usbd_bt_node *lbt_node;
52	struct usbd_bt_node *rbt_node;
53}usbd_bt_node,*usbd_bt_tree;
54
55/* External API interface */
56struct usbd_bt_node *usbd_create_bt_node(struct node_info *info);
57void usbd_free_bt_node(usbd_bt_node *node);
58int usbd_insert_bt_node(usbd_bt_node *node, usbd_bt_tree tree, struct node_info *parent_info);
59int usbd_remove_bt_node(usbd_bt_tree tree, struct node_info *p_info, struct node_info *rm_info);
60int usbd_get_hub_quantity(void);
61struct usbd_bt_node *usbd_per_order_probe(usbd_bt_tree tree, char *devname, uint8_t *port_num);
62
63inline int usbd_atoi(const char *name)
64{
65	int num = 0;
66	if (name == NULL) {
67		return -1;
68	}
69
70	while(*name) {
71		num *= 10;
72		num += *name++ - '0';
73	}
74	return num;
75}
76
77
78#ifdef __cplusplus
79#if __cplusplus
80}
81#endif /* __cplusplus */
82#endif /* __cplusplus */
83
84#endif /* __USB_BTREE_H__ */
85
86