2 * Copyright (c) 2017 The FreeBSD Foundation
5 * This software was developed by Landon Fuller under sponsorship from
6 * the FreeBSD Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #ifndef _BHND_BHND_PRIVATE_H_
33 #define _BHND_BHND_PRIVATE_H_
35 #include <sys/param.h>
36 #include <sys/queue.h>
38 #include "bhnd_types.h"
41 * Private bhnd(4) driver definitions.
45 * A bhnd(4) service registry entry.
47 struct bhnd_service_entry {
48 device_t provider; /**< service provider */
49 bhnd_service_t service; /**< service implemented */
50 uint32_t flags; /**< entry flags (see BHND_SPF_*) */
51 volatile u_int refs; /**< reference count; updated atomically
52 with only a shared lock held */
54 STAILQ_ENTRY(bhnd_service_entry) link;
57 #endif /* _BHND_BHND_PRIVATE_H_ */