Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
18struct 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
28typedef int (*hci_cmd_sync_work_func_t)(struct hci_dev *hdev, void *data);
29typedef void (*hci_cmd_sync_work_destroy_t)(struct hci_dev *hdev, void *data,
30 int err);
31
32struct 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
39struct adv_info;
40
41struct 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 */
48struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
49 const void *param, u32 timeout);
50struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
51 const void *param, u32 timeout);
52struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen,
53 const void *param, u8 event, u32 timeout);
54struct 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);
57int __hci_cmd_sync_status(struct hci_dev *hdev, u16 opcode, u32 plen,
58 const void *param, u32 timeout);
59int __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);
62int hci_cmd_sync_status(struct hci_dev *hdev, u16 opcode, u32 plen,
63 const void *param, u32 timeout);
64
65void hci_cmd_sync_init(struct hci_dev *hdev);
66void hci_cmd_sync_clear(struct hci_dev *hdev);
67void hci_cmd_sync_cancel(struct hci_dev *hdev, int err);
68void hci_cmd_sync_cancel_sync(struct hci_dev *hdev, int err);
69
70int 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);
72int 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);
74int 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);
76int 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);
78int 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);
80struct hci_cmd_sync_work_entry *
81hci_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);
83void hci_cmd_sync_cancel_entry(struct hci_dev *hdev,
84 struct hci_cmd_sync_work_entry *entry);
85bool 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);
87bool 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
91int hci_update_eir_sync(struct hci_dev *hdev);
92int hci_update_class_sync(struct hci_dev *hdev);
93
94int hci_update_eir_sync(struct hci_dev *hdev);
95int hci_update_class_sync(struct hci_dev *hdev);
96int hci_update_name_sync(struct hci_dev *hdev, const u8 *name);
97int hci_write_ssp_mode_sync(struct hci_dev *hdev, u8 mode);
98
99int 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
103int hci_update_random_address_sync(struct hci_dev *hdev, bool require_privacy,
104 bool rpa, u8 *own_addr_type);
105
106int hci_update_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance);
107int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance);
108int hci_update_adv_data(struct hci_dev *hdev, u8 instance);
109int hci_schedule_adv_instance_sync(struct hci_dev *hdev, u8 instance,
110 bool force);
111
112int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance);
113int hci_start_ext_adv_sync(struct hci_dev *hdev, u8 instance);
114int hci_enable_ext_advertising_sync(struct hci_dev *hdev, u8 instance);
115int hci_enable_advertising_sync(struct hci_dev *hdev);
116int hci_enable_advertising(struct hci_dev *hdev);
117
118int hci_start_per_adv_sync(struct hci_dev *hdev, u8 instance, u8 sid,
119 u8 data_len, u8 *data, u32 flags, u16 min_interval,
120 u16 max_interval, u16 sync_interval);
121
122int hci_disable_per_advertising_sync(struct hci_dev *hdev, u8 instance);
123
124int hci_remove_advertising_sync(struct hci_dev *hdev, struct sock *sk,
125 u8 instance, bool force);
126int hci_disable_advertising_sync(struct hci_dev *hdev);
127int hci_clear_adv_instance_sync(struct hci_dev *hdev, struct sock *sk,
128 u8 instance, bool force);
129int hci_update_passive_scan_sync(struct hci_dev *hdev);
130int hci_update_passive_scan(struct hci_dev *hdev);
131int hci_read_rssi_sync(struct hci_dev *hdev, __le16 handle);
132int hci_read_tx_power_sync(struct hci_dev *hdev, __le16 handle, u8 type);
133int hci_write_sc_support_sync(struct hci_dev *hdev, u8 val);
134int hci_read_clock_sync(struct hci_dev *hdev, struct hci_cp_read_clock *cp);
135
136int hci_write_fast_connectable_sync(struct hci_dev *hdev, bool enable);
137int hci_update_scan_sync(struct hci_dev *hdev);
138int hci_update_scan(struct hci_dev *hdev);
139
140int hci_write_le_host_supported_sync(struct hci_dev *hdev, u8 le, u8 simul);
141int hci_remove_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance,
142 struct sock *sk);
143struct sk_buff *hci_read_local_oob_data_sync(struct hci_dev *hdev, bool ext,
144 struct sock *sk);
145
146int hci_reset_sync(struct hci_dev *hdev);
147int hci_dev_open_sync(struct hci_dev *hdev);
148int hci_dev_close_sync(struct hci_dev *hdev);
149
150int hci_powered_update_sync(struct hci_dev *hdev);
151int hci_set_powered_sync(struct hci_dev *hdev, u8 val);
152
153int hci_update_discoverable_sync(struct hci_dev *hdev);
154int hci_update_discoverable(struct hci_dev *hdev);
155
156int hci_update_connectable_sync(struct hci_dev *hdev);
157
158int hci_inquiry_sync(struct hci_dev *hdev, u8 length, u8 num_rsp);
159
160int hci_start_discovery_sync(struct hci_dev *hdev);
161int hci_stop_discovery_sync(struct hci_dev *hdev);
162
163int hci_suspend_sync(struct hci_dev *hdev);
164int hci_resume_sync(struct hci_dev *hdev);
165
166struct hci_conn;
167struct hci_conn_params;
168
169int hci_abort_conn_sync(struct hci_dev *hdev, struct hci_conn *conn, u8 reason);
170
171int hci_le_create_cis_sync(struct hci_dev *hdev);
172
173int hci_le_remove_cig_sync(struct hci_dev *hdev, u8 handle);
174
175int hci_le_terminate_big_sync(struct hci_dev *hdev, u8 handle, u8 reason);
176
177int hci_le_big_terminate_sync(struct hci_dev *hdev, u8 handle);
178
179int hci_le_pa_terminate_sync(struct hci_dev *hdev, u16 handle);
180
181int hci_connect_acl_sync(struct hci_dev *hdev, struct hci_conn *conn);
182
183int hci_connect_le_sync(struct hci_dev *hdev, struct hci_conn *conn);
184
185int hci_cancel_connect_sync(struct hci_dev *hdev, struct hci_conn *conn);
186int hci_le_conn_update_sync(struct hci_dev *hdev, struct hci_conn *conn,
187 struct hci_conn_params *params);
188
189int hci_connect_pa_sync(struct hci_dev *hdev, struct hci_conn *conn);
190int hci_connect_big_sync(struct hci_dev *hdev, struct hci_conn *conn);
191int hci_past_sync(struct hci_conn *conn, struct hci_conn *le);
192
193int hci_le_read_remote_features(struct hci_conn *conn);