hci_sync.h source code [linux/include/net/bluetooth/hci_sync.h]

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	#define UINT_PTR(_handle) ((void *)((uintptr_t)_handle))
9	#define PTR_UINT(_ptr) ((uintptr_t)((void *)_ptr))
10
11	#define HCI_REQ_DONE 0
12	#define HCI_REQ_PEND 1
13	#define HCI_REQ_CANCELED 2
14
15	#define hci_req_sync_lock(hdev) mutex_lock(&hdev->req_lock)
16	#define hci_req_sync_unlock(hdev) mutex_unlock(&hdev->req_lock)
17
18	struct hci_request {
19	struct hci_dev *hdev;
20	struct sk_buff_head cmd_q;
21
22	/ If something goes wrong when building the HCI request, the error*
23	* value is stored in this field.
24	*/
25	int err;
26	};
27
28	typedef int (hci_cmd_sync_work_func_t)(struct* hci_dev hdev, void* *data);
29	typedef void (hci_cmd_sync_work_destroy_t)(struct* hci_dev hdev, void* *data,
30	int err);
31
32	struct hci_cmd_sync_work_entry {
33	struct list_head list;
34	hci_cmd_sync_work_func_t func;
35	void *data;
36	hci_cmd_sync_work_destroy_t destroy;
37	};
38
39	struct adv_info;
40
41	struct sk_buff hci_cmd_sync_alloc(struct* hci_dev *hdev, u16 opcode, u32 plen,
42	const void param, struct* sock *sk);
43
44	/ Function with sync suffix shall not be called with hdev->lock held as they*
45	* wait the command to complete and in the meantime an event could be received
46	* which could attempt to acquire hdev->lock causing a deadlock.
47	*/
48	struct sk_buff __hci_cmd_sync(struct* hci_dev *hdev, u16 opcode, u32 plen,
49	const void *param, u32 timeout);
50	struct sk_buff hci_cmd_sync(struct* hci_dev *hdev, u16 opcode, u32 plen,
51	const void *param, u32 timeout);
52	struct sk_buff __hci_cmd_sync_ev(struct* hci_dev *hdev, u16 opcode, u32 plen,
53	const void *param, u8 event, u32 timeout);
54	struct sk_buff __hci_cmd_sync_sk(struct* hci_dev *hdev, u16 opcode, u32 plen,
55	const void *param, u8 event, u32 timeout,
56	struct sock *sk);
57	int __hci_cmd_sync_status(struct hci_dev *hdev, u16 opcode, u32 plen,
58	const void *param, u32 timeout);
59	int __hci_cmd_sync_status_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
60	const void *param, u8 event, u32 timeout,
61	struct sock *sk);
62	int hci_cmd_sync_status(struct hci_dev *hdev, u16 opcode, u32 plen,
63	const void *param, u32 timeout);
64
65	void hci_cmd_sync_init(struct hci_dev *hdev);
66	void hci_cmd_sync_clear(struct hci_dev *hdev);
67	void hci_cmd_sync_cancel(struct hci_dev hdev, int* err);
68	void hci_cmd_sync_cancel_sync(struct hci_dev hdev, int* err);
69
70	int hci_cmd_sync_submit(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
71	void *data, hci_cmd_sync_work_destroy_t destroy);
72	int hci_cmd_sync_queue(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
73	void *data, hci_cmd_sync_work_destroy_t destroy);
74	int hci_cmd_sync_queue_once(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
75	void *data, hci_cmd_sync_work_destroy_t destroy);
76	int hci_cmd_sync_run(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
77	void *data, hci_cmd_sync_work_destroy_t destroy);
78	int hci_cmd_sync_run_once(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
79	void *data, hci_cmd_sync_work_destroy_t destroy);
80	struct hci_cmd_sync_work_entry *
81	hci_cmd_sync_lookup_entry(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
82	void *data, hci_cmd_sync_work_destroy_t destroy);
83	void hci_cmd_sync_cancel_entry(struct hci_dev *hdev,
84	struct hci_cmd_sync_work_entry *entry);
85	bool hci_cmd_sync_dequeue(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
86	void *data, hci_cmd_sync_work_destroy_t destroy);
87	bool hci_cmd_sync_dequeue_once(struct hci_dev *hdev,
88	hci_cmd_sync_work_func_t func, void *data,
89	hci_cmd_sync_work_destroy_t destroy);
90
91	int hci_update_eir_sync(struct hci_dev *hdev);
92	int hci_update_class_sync(struct hci_dev *hdev);
93
94	int hci_update_eir_sync(struct hci_dev *hdev);
95	int hci_update_class_sync(struct hci_dev *hdev);
96	int hci_update_name_sync(struct hci_dev *hdev);
97	int hci_write_ssp_mode_sync(struct hci_dev *hdev, u8 mode);
98
99	int hci_get_random_address(struct hci_dev *hdev, bool require_privacy,
100	bool use_rpa, struct adv_info *adv_instance,
101	u8 own_addr_type, bdaddr_t rand_addr);
102
103	int hci_update_random_address_sync(struct hci_dev *hdev, bool require_privacy,
104	bool rpa, u8 *own_addr_type);
105
106	int hci_update_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance);
107	int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance);
108	int hci_update_adv_data(struct hci_dev *hdev, u8 instance);
109	int hci_schedule_adv_instance_sync(struct hci_dev *hdev, u8 instance,
110	bool force);
111
112	int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance);
113	int hci_start_ext_adv_sync(struct hci_dev *hdev, u8 instance);
114	int hci_enable_ext_advertising_sync(struct hci_dev *hdev, u8 instance);
115	int hci_enable_advertising_sync(struct hci_dev *hdev);
116	int hci_enable_advertising(struct hci_dev *hdev);
117
118	int hci_start_per_adv_sync(struct hci_dev *hdev, u8 instance, u8 data_len,
119	u8 *data, u32 flags, u16 min_interval,
120	u16 max_interval, u16 sync_interval);
121
122	int hci_disable_per_advertising_sync(struct hci_dev *hdev, u8 instance);
123
124	int hci_remove_advertising_sync(struct hci_dev hdev, struct* sock *sk,
125	u8 instance, bool force);
126	int hci_disable_advertising_sync(struct hci_dev *hdev);
127	int hci_clear_adv_instance_sync(struct hci_dev hdev, struct* sock *sk,
128	u8 instance, bool force);
129	int hci_update_passive_scan_sync(struct hci_dev *hdev);
130	int hci_update_passive_scan(struct hci_dev *hdev);
131	int hci_read_rssi_sync(struct hci_dev *hdev, __le16 handle);
132	int hci_read_tx_power_sync(struct hci_dev *hdev, __le16 handle, u8 type);
133	int hci_write_sc_support_sync(struct hci_dev *hdev, u8 val);
134	int hci_read_clock_sync(struct hci_dev hdev, struct* hci_cp_read_clock *cp);
135
136	int hci_write_fast_connectable_sync(struct hci_dev *hdev, bool enable);
137	int hci_update_scan_sync(struct hci_dev *hdev);
138	int hci_update_scan(struct hci_dev *hdev);
139
140	int hci_write_le_host_supported_sync(struct hci_dev *hdev, u8 le, u8 simul);
141	int hci_remove_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance,
142	struct sock *sk);
143	struct sk_buff hci_read_local_oob_data_sync(struct* hci_dev *hdev, bool ext,
144	struct sock *sk);
145
146	int hci_reset_sync(struct hci_dev *hdev);
147	int hci_dev_open_sync(struct hci_dev *hdev);
148	int hci_dev_close_sync(struct hci_dev *hdev);
149
150	int hci_powered_update_sync(struct hci_dev *hdev);
151	int hci_set_powered_sync(struct hci_dev *hdev, u8 val);
152
153	int hci_update_discoverable_sync(struct hci_dev *hdev);
154	int hci_update_discoverable(struct hci_dev *hdev);
155
156	int hci_update_connectable_sync(struct hci_dev *hdev);
157
158	int hci_inquiry_sync(struct hci_dev *hdev, u8 length, u8 num_rsp);
159
160	int hci_start_discovery_sync(struct hci_dev *hdev);
161	int hci_stop_discovery_sync(struct hci_dev *hdev);
162
163	int hci_suspend_sync(struct hci_dev *hdev);
164	int hci_resume_sync(struct hci_dev *hdev);
165
166	struct hci_conn;
167	struct hci_conn_params;
168
169	int hci_abort_conn_sync(struct hci_dev hdev, struct* hci_conn *conn, u8 reason);
170
171	int hci_le_create_cis_sync(struct hci_dev *hdev);
172
173	int hci_le_remove_cig_sync(struct hci_dev *hdev, u8 handle);
174
175	int hci_le_terminate_big_sync(struct hci_dev *hdev, u8 handle, u8 reason);
176
177	int hci_le_big_terminate_sync(struct hci_dev *hdev, u8 handle);
178
179	int hci_le_pa_terminate_sync(struct hci_dev *hdev, u16 handle);
180
181	int hci_connect_acl_sync(struct hci_dev hdev, struct* hci_conn *conn);
182
183	int hci_connect_le_sync(struct hci_dev hdev, struct* hci_conn *conn);
184
185	int hci_cancel_connect_sync(struct hci_dev hdev, struct* hci_conn *conn);
186	int hci_le_conn_update_sync(struct hci_dev hdev, struct* hci_conn *conn,
187	struct hci_conn_params *params);
188
189	int hci_connect_pa_sync(struct hci_dev hdev, struct* hci_conn *conn);
190	int hci_connect_big_sync(struct hci_dev hdev, struct* hci_conn *conn);
191

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source code of linux/include/net/bluetooth/hci_sync.h