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