1 files changed, 22 insertions, 3 deletions

diff --git a/net/bluetooth/hci_request.h b/net/bluetooth/hci_request.h
index 25c7f1305dcb..6b9e59f7f7a9 100644
--- a/net/bluetooth/hci_request.h
+++ b/net/bluetooth/hci_request.h
@@ -20,6 +20,9 @@
    SOFTWARE IS DISCLAIMED.
 */
 
+#define hci_req_sync_lock(hdev)   mutex_lock(&hdev->req_lock)
+#define hci_req_sync_unlock(hdev) mutex_unlock(&hdev->req_lock)
+
 struct hci_request {
         struct hci_dev          *hdev;
         struct sk_buff_head     cmd_q;
@@ -41,21 +44,37 @@ void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status,
                           hci_req_complete_t *req_complete,
                           hci_req_complete_skb_t *req_complete_skb);
 
+int hci_req_sync(struct hci_dev *hdev, int (*req)(struct hci_request *req,
+                                                  unsigned long opt),
+                 unsigned long opt, u32 timeout, u8 *hci_status);
+int __hci_req_sync(struct hci_dev *hdev, int (*func)(struct hci_request *req,
+                                                     unsigned long opt),
+                   unsigned long opt, u32 timeout, u8 *hci_status);
+void hci_req_sync_cancel(struct hci_dev *hdev, int err);
+
 struct sk_buff *hci_prepare_cmd(struct hci_dev *hdev, u16 opcode, u32 plen,
                                 const void *param);
 
 void hci_req_add_le_scan_disable(struct hci_request *req);
 void hci_req_add_le_passive_scan(struct hci_request *req);
 
+/* Returns true if HCI commands were queued */
+bool hci_req_stop_discovery(struct hci_request *req);
+
 void hci_update_page_scan(struct hci_dev *hdev);
 void __hci_update_page_scan(struct hci_request *req);
 
 int hci_update_random_address(struct hci_request *req, bool require_privacy,
                               u8 *own_addr_type);
 
-void hci_update_background_scan(struct hci_dev *hdev);
-void __hci_update_background_scan(struct hci_request *req);
-
 int hci_abort_conn(struct hci_conn *conn, u8 reason);
 void __hci_abort_conn(struct hci_request *req, struct hci_conn *conn,
                       u8 reason);
+
+static inline void hci_update_background_scan(struct hci_dev *hdev)
+{
+        queue_work(hdev->req_workqueue, &hdev->bg_scan_update);
+}
+
+void hci_request_setup(struct hci_dev *hdev);
+void hci_request_cancel_all(struct hci_dev *hdev);