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
40 extern "C" {
41 #endif /* __cplusplus */
42 #endif /* __cplusplus */
43
44 struct node_info {
45 uint8_t port_no;
46 const char *nameunit; /* Save dev_nameunit address. */
47 };
48
49 typedef 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 */
56 struct usbd_bt_node *usbd_create_bt_node(struct node_info *info);
57 void usbd_free_bt_node(usbd_bt_node *node);
58 int usbd_insert_bt_node(usbd_bt_node *node, usbd_bt_tree tree, struct node_info *parent_info);
59 int usbd_remove_bt_node(usbd_bt_tree tree, struct node_info *p_info, struct node_info *rm_info);
60 int usbd_get_hub_quantity(void);
61 struct usbd_bt_node *usbd_per_order_probe(usbd_bt_tree tree, char *devname, uint8_t *port_num);
62
usbd_atoi(const char * name)63 inline 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