xref: /openbmc/linux/include/net/bluetooth/hci_sync.h (revision ad383c2c)
16a98e383SMarcel Holtmann /* SPDX-License-Identifier: GPL-2.0 */
26a98e383SMarcel Holtmann /*
36a98e383SMarcel Holtmann  * BlueZ - Bluetooth protocol stack for Linux
46a98e383SMarcel Holtmann  *
56a98e383SMarcel Holtmann  * Copyright (C) 2021 Intel Corporation
66a98e383SMarcel Holtmann  */
76a98e383SMarcel Holtmann 
86a98e383SMarcel Holtmann typedef int (*hci_cmd_sync_work_func_t)(struct hci_dev *hdev, void *data);
96a98e383SMarcel Holtmann typedef void (*hci_cmd_sync_work_destroy_t)(struct hci_dev *hdev, void *data,
106a98e383SMarcel Holtmann 					    int err);
116a98e383SMarcel Holtmann 
126a98e383SMarcel Holtmann struct hci_cmd_sync_work_entry {
136a98e383SMarcel Holtmann 	struct list_head list;
146a98e383SMarcel Holtmann 	hci_cmd_sync_work_func_t func;
156a98e383SMarcel Holtmann 	void *data;
166a98e383SMarcel Holtmann 	hci_cmd_sync_work_destroy_t destroy;
176a98e383SMarcel Holtmann };
186a98e383SMarcel Holtmann 
196a98e383SMarcel Holtmann /* Function with sync suffix shall not be called with hdev->lock held as they
206a98e383SMarcel Holtmann  * wait the command to complete and in the meantime an event could be received
216a98e383SMarcel Holtmann  * which could attempt to acquire hdev->lock causing a deadlock.
226a98e383SMarcel Holtmann  */
236a98e383SMarcel Holtmann struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
246a98e383SMarcel Holtmann 			       const void *param, u32 timeout);
256a98e383SMarcel Holtmann struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
266a98e383SMarcel Holtmann 			     const void *param, u32 timeout);
276a98e383SMarcel Holtmann struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen,
286a98e383SMarcel Holtmann 				  const void *param, u8 event, u32 timeout);
296a98e383SMarcel Holtmann struct sk_buff *__hci_cmd_sync_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
306a98e383SMarcel Holtmann 				  const void *param, u8 event, u32 timeout,
316a98e383SMarcel Holtmann 				  struct sock *sk);
326a98e383SMarcel Holtmann int __hci_cmd_sync_status(struct hci_dev *hdev, u16 opcode, u32 plen,
336a98e383SMarcel Holtmann 			  const void *param, u32 timeout);
346a98e383SMarcel Holtmann int __hci_cmd_sync_status_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
356a98e383SMarcel Holtmann 			     const void *param, u8 event, u32 timeout,
366a98e383SMarcel Holtmann 			     struct sock *sk);
376a98e383SMarcel Holtmann 
386a98e383SMarcel Holtmann void hci_cmd_sync_init(struct hci_dev *hdev);
396a98e383SMarcel Holtmann void hci_cmd_sync_clear(struct hci_dev *hdev);
406a98e383SMarcel Holtmann 
416a98e383SMarcel Holtmann int hci_cmd_sync_queue(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
426a98e383SMarcel Holtmann 		       void *data, hci_cmd_sync_work_destroy_t destroy);
43161510ccSLuiz Augusto von Dentz 
44161510ccSLuiz Augusto von Dentz int hci_update_eir_sync(struct hci_dev *hdev);
45161510ccSLuiz Augusto von Dentz int hci_update_class_sync(struct hci_dev *hdev);
46cba6b758SLuiz Augusto von Dentz 
47cba6b758SLuiz Augusto von Dentz int hci_update_eir_sync(struct hci_dev *hdev);
48cba6b758SLuiz Augusto von Dentz int hci_update_class_sync(struct hci_dev *hdev);
49cba6b758SLuiz Augusto von Dentz 
50cba6b758SLuiz Augusto von Dentz int hci_update_random_address_sync(struct hci_dev *hdev, bool require_privacy,
51cba6b758SLuiz Augusto von Dentz 				   bool rpa, u8 *own_addr_type);
52cba6b758SLuiz Augusto von Dentz 
53cba6b758SLuiz Augusto von Dentz int hci_update_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance);
54cba6b758SLuiz Augusto von Dentz int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance);
55cba6b758SLuiz Augusto von Dentz int hci_schedule_adv_instance_sync(struct hci_dev *hdev, u8 instance,
56cba6b758SLuiz Augusto von Dentz 				   bool force);
57cba6b758SLuiz Augusto von Dentz 
58cba6b758SLuiz Augusto von Dentz int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance);
59cba6b758SLuiz Augusto von Dentz int hci_start_ext_adv_sync(struct hci_dev *hdev, u8 instance);
60cba6b758SLuiz Augusto von Dentz int hci_enable_ext_advertising_sync(struct hci_dev *hdev, u8 instance);
61cba6b758SLuiz Augusto von Dentz int hci_enable_advertising_sync(struct hci_dev *hdev);
62cba6b758SLuiz Augusto von Dentz 
63cba6b758SLuiz Augusto von Dentz int hci_remove_advertising_sync(struct hci_dev *hdev, struct sock *sk,
64cba6b758SLuiz Augusto von Dentz 				u8 instance, bool force);
65cba6b758SLuiz Augusto von Dentz int hci_disable_advertising_sync(struct hci_dev *hdev);
66e8907f76SLuiz Augusto von Dentz 
67e8907f76SLuiz Augusto von Dentz int hci_update_passive_scan_sync(struct hci_dev *hdev);
68*ad383c2cSLuiz Augusto von Dentz int hci_update_passive_scan(struct hci_dev *hdev);
69