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/* SPDX-License-Identifier: GPL-2.0 */
/*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2021 Intel Corporation
*/
typedef int (*hci_cmd_sync_work_func_t)(struct hci_dev *hdev, void *data);
typedef void (*hci_cmd_sync_work_destroy_t)(struct hci_dev *hdev, void *data,
int err);
struct hci_cmd_sync_work_entry {
struct list_head list;
hci_cmd_sync_work_func_t func;
void *data;
hci_cmd_sync_work_destroy_t destroy;
};
/* Function with sync suffix shall not be called with hdev->lock held as they
* wait the command to complete and in the meantime an event could be received
* which could attempt to acquire hdev->lock causing a deadlock.
*/
struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param, u32 timeout);
struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param, u32 timeout);
struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param, u8 event, u32 timeout);
struct sk_buff *__hci_cmd_sync_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param, u8 event, u32 timeout,
struct sock *sk);
int __hci_cmd_sync_status(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param, u32 timeout);
int __hci_cmd_sync_status_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param, u8 event, u32 timeout,
struct sock *sk);
void hci_cmd_sync_init(struct hci_dev *hdev);
void hci_cmd_sync_clear(struct hci_dev *hdev);
int hci_cmd_sync_queue(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
void *data, hci_cmd_sync_work_destroy_t destroy);
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