1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * BlueZ - Bluetooth protocol stack for Linux
4  *
5  * Copyright (C) 2021 Intel Corporation
6  */
7 
8 typedef int (*hci_cmd_sync_work_func_t)(struct hci_dev *hdev, void *data);
9 typedef void (*hci_cmd_sync_work_destroy_t)(struct hci_dev *hdev, void *data,
10 					    int err);
11 
12 struct hci_cmd_sync_work_entry {
13 	struct list_head list;
14 	hci_cmd_sync_work_func_t func;
15 	void *data;
16 	hci_cmd_sync_work_destroy_t destroy;
17 };
18 
19 /* Function with sync suffix shall not be called with hdev->lock held as they
20  * wait the command to complete and in the meantime an event could be received
21  * which could attempt to acquire hdev->lock causing a deadlock.
22  */
23 struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
24 			       const void *param, u32 timeout);
25 struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
26 			     const void *param, u32 timeout);
27 struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen,
28 				  const void *param, u8 event, u32 timeout);
29 struct sk_buff *__hci_cmd_sync_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
30 				  const void *param, u8 event, u32 timeout,
31 				  struct sock *sk);
32 int __hci_cmd_sync_status(struct hci_dev *hdev, u16 opcode, u32 plen,
33 			  const void *param, u32 timeout);
34 int __hci_cmd_sync_status_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
35 			     const void *param, u8 event, u32 timeout,
36 			     struct sock *sk);
37 
38 void hci_cmd_sync_init(struct hci_dev *hdev);
39 void hci_cmd_sync_clear(struct hci_dev *hdev);
40 void hci_cmd_sync_cancel(struct hci_dev *hdev, int err);
41 void __hci_cmd_sync_cancel(struct hci_dev *hdev, int err);
42 
43 int hci_cmd_sync_queue(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
44 		       void *data, hci_cmd_sync_work_destroy_t destroy);
45 
46 int hci_update_eir_sync(struct hci_dev *hdev);
47 int hci_update_class_sync(struct hci_dev *hdev);
48 
49 int hci_update_eir_sync(struct hci_dev *hdev);
50 int hci_update_class_sync(struct hci_dev *hdev);
51 int hci_update_name_sync(struct hci_dev *hdev);
52 int hci_write_ssp_mode_sync(struct hci_dev *hdev, u8 mode);
53 
54 int hci_update_random_address_sync(struct hci_dev *hdev, bool require_privacy,
55 				   bool rpa, u8 *own_addr_type);
56 
57 int hci_update_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance);
58 int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance);
59 int hci_schedule_adv_instance_sync(struct hci_dev *hdev, u8 instance,
60 				   bool force);
61 
62 int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance);
63 int hci_start_ext_adv_sync(struct hci_dev *hdev, u8 instance);
64 int hci_enable_ext_advertising_sync(struct hci_dev *hdev, u8 instance);
65 int hci_enable_advertising_sync(struct hci_dev *hdev);
66 int hci_enable_advertising(struct hci_dev *hdev);
67 
68 int hci_remove_advertising_sync(struct hci_dev *hdev, struct sock *sk,
69 				u8 instance, bool force);
70 int hci_disable_advertising_sync(struct hci_dev *hdev);
71 
72 int hci_update_passive_scan_sync(struct hci_dev *hdev);
73 int hci_update_passive_scan(struct hci_dev *hdev);
74 int hci_read_rssi_sync(struct hci_dev *hdev, __le16 handle);
75 int hci_read_tx_power_sync(struct hci_dev *hdev, __le16 handle, u8 type);
76 int hci_write_sc_support_sync(struct hci_dev *hdev, u8 val);
77 int hci_read_clock_sync(struct hci_dev *hdev, struct hci_cp_read_clock *cp);
78 
79 int hci_write_fast_connectable_sync(struct hci_dev *hdev, bool enable);
80 int hci_update_scan_sync(struct hci_dev *hdev);
81 
82 int hci_write_le_host_supported_sync(struct hci_dev *hdev, u8 le, u8 simul);
83 int hci_remove_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance,
84 				     struct sock *sk);
85 struct sk_buff *hci_read_local_oob_data_sync(struct hci_dev *hdev, bool ext,
86 					     struct sock *sk);
87 
88 int hci_reset_sync(struct hci_dev *hdev);
89 int hci_dev_open_sync(struct hci_dev *hdev);
90 int hci_dev_close_sync(struct hci_dev *hdev);
91 
92 int hci_powered_update_sync(struct hci_dev *hdev);
93 int hci_set_powered_sync(struct hci_dev *hdev, u8 val);
94 
95 int hci_update_discoverable_sync(struct hci_dev *hdev);
96 int hci_update_discoverable(struct hci_dev *hdev);
97 
98 int hci_update_connectable_sync(struct hci_dev *hdev);
99 
100 int hci_start_discovery_sync(struct hci_dev *hdev);
101 int hci_stop_discovery_sync(struct hci_dev *hdev);
102 
103 int hci_suspend_sync(struct hci_dev *hdev);
104 int hci_resume_sync(struct hci_dev *hdev);
105 
106 struct hci_conn;
107 
108 int hci_le_create_conn_sync(struct hci_dev *hdev, struct hci_conn *conn);
109