1 | /* |
2 | BlueZ - Bluetooth protocol stack for Linux |
3 | Copyright (C) 2014 Intel Corporation |
4 | |
5 | This program is free software; you can redistribute it and/or modify |
6 | it under the terms of the GNU General Public License version 2 as |
7 | published by the Free Software Foundation; |
8 | |
9 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
10 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
11 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. |
12 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY |
13 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
14 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
15 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
16 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
17 | |
18 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
19 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS |
20 | SOFTWARE IS DISCLAIMED. |
21 | */ |
22 | |
23 | #include <asm/unaligned.h> |
24 | |
25 | #define HCI_REQ_DONE 0 |
26 | #define HCI_REQ_PEND 1 |
27 | #define HCI_REQ_CANCELED 2 |
28 | |
29 | #define hci_req_sync_lock(hdev) mutex_lock(&hdev->req_lock) |
30 | #define hci_req_sync_unlock(hdev) mutex_unlock(&hdev->req_lock) |
31 | |
32 | #define HCI_REQ_DONE 0 |
33 | #define HCI_REQ_PEND 1 |
34 | #define HCI_REQ_CANCELED 2 |
35 | |
36 | struct hci_request { |
37 | struct hci_dev *hdev; |
38 | struct sk_buff_head cmd_q; |
39 | |
40 | /* If something goes wrong when building the HCI request, the error |
41 | * value is stored in this field. |
42 | */ |
43 | int err; |
44 | }; |
45 | |
46 | void hci_req_init(struct hci_request *req, struct hci_dev *hdev); |
47 | void hci_req_purge(struct hci_request *req); |
48 | bool hci_req_status_pend(struct hci_dev *hdev); |
49 | int hci_req_run(struct hci_request *req, hci_req_complete_t complete); |
50 | int hci_req_run_skb(struct hci_request *req, hci_req_complete_skb_t complete); |
51 | void hci_req_sync_complete(struct hci_dev *hdev, u8 result, u16 opcode, |
52 | struct sk_buff *skb); |
53 | void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, |
54 | const void *param); |
55 | void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, |
56 | const void *param, u8 event); |
57 | void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status, |
58 | hci_req_complete_t *req_complete, |
59 | hci_req_complete_skb_t *req_complete_skb); |
60 | |
61 | int hci_req_sync(struct hci_dev *hdev, int (*req)(struct hci_request *req, |
62 | unsigned long opt), |
63 | unsigned long opt, u32 timeout, u8 *hci_status); |
64 | int __hci_req_sync(struct hci_dev *hdev, int (*func)(struct hci_request *req, |
65 | unsigned long opt), |
66 | unsigned long opt, u32 timeout, u8 *hci_status); |
67 | |
68 | struct sk_buff *hci_prepare_cmd(struct hci_dev *hdev, u16 opcode, u32 plen, |
69 | const void *param); |
70 | |
71 | void hci_req_add_le_scan_disable(struct hci_request *req, bool rpa_le_conn); |
72 | void hci_req_add_le_passive_scan(struct hci_request *req); |
73 | |
74 | void hci_request_setup(struct hci_dev *hdev); |
75 | void hci_request_cancel_all(struct hci_dev *hdev); |
76 | |