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 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