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 int hci_remove_ext_adv_instance(struct hci_dev *hdev, u8 instance); 144 struct sk_buff *hci_read_local_oob_data_sync(struct hci_dev *hdev, bool ext, 145 struct sock *sk); 146 147 int hci_reset_sync(struct hci_dev *hdev); 148 int hci_dev_open_sync(struct hci_dev *hdev); 149 int hci_dev_close_sync(struct hci_dev *hdev); 150 151 int hci_powered_update_sync(struct hci_dev *hdev); 152 int hci_set_powered_sync(struct hci_dev *hdev, u8 val); 153 154 int hci_update_discoverable_sync(struct hci_dev *hdev); 155 int hci_update_discoverable(struct hci_dev *hdev); 156 157 int hci_update_connectable_sync(struct hci_dev *hdev); 158 159 int hci_inquiry_sync(struct hci_dev *hdev, u8 length, u8 num_rsp); 160 161 int hci_start_discovery_sync(struct hci_dev *hdev); 162 int hci_stop_discovery_sync(struct hci_dev *hdev); 163 164 int hci_suspend_sync(struct hci_dev *hdev); 165 int hci_resume_sync(struct hci_dev *hdev); 166 167 struct hci_conn; 168 struct hci_conn_params; 169 170 int hci_abort_conn_sync(struct hci_dev *hdev, struct hci_conn *conn, u8 reason); 171 172 int hci_le_create_cis_sync(struct hci_dev *hdev); 173 174 int hci_le_remove_cig_sync(struct hci_dev *hdev, u8 handle); 175 176 int hci_le_terminate_big_sync(struct hci_dev *hdev, u8 handle, u8 reason); 177 178 int hci_le_big_terminate_sync(struct hci_dev *hdev, u8 handle); 179 180 int hci_le_pa_terminate_sync(struct hci_dev *hdev, u16 handle); 181 182 int hci_connect_acl_sync(struct hci_dev *hdev, struct hci_conn *conn); 183 184 int hci_connect_le_sync(struct hci_dev *hdev, struct hci_conn *conn); 185 186 int hci_cancel_connect_sync(struct hci_dev *hdev, struct hci_conn *conn); 187 int hci_le_conn_update_sync(struct hci_dev *hdev, struct hci_conn *conn, 188 struct hci_conn_params *params); 189