drm - Fix kldload issue
[dragonfly.git] / sys / kern / dsched / bfq / bfq_helper_thread.h
CommitLineData
aabeb187
BP
1/*
2 * Copyright (c) 2011 The DragonFly Project. All rights reserved.
3 *
4 * This code is derived from software contributed to The DragonFly Project
5 * by Brills Peng <brillsp@gmail.com>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
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
15 * the documentation and/or other materials provided with the
16 * distribution.
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35
36#ifndef _DSCHED_BFQ_HELPER_THREAD_H_
37#define _DSCHED_BFQ_HELPER_THREAD_H_
38#include <kern/dsched/bfq/bfq.h>
39
40typedef struct helper_msg {
41 struct lwkt_msg hdr;
42 struct bfq_disk_ctx *bfq_diskctx;
43 struct dsched_thread_io *tdio;
44} *helper_msg_t;
45
46enum helper_msg_cmd {
47 BFQ_MSG_DEQUEUE = 1,
48 BFQ_MSG_AS_TIMEOUT,
49 BFQ_MSG_DESTROY_TDIO,
50 BFQ_MSG_KILL
51};
52
53void helper_init_global(void);
54void helper_init(struct bfq_disk_ctx *bfq_diskctx);
55void helper_uninit(struct bfq_disk_ctx *bfq_diskctx);
56void helper_msg_dequeue(struct bfq_disk_ctx *bfq_diskctx);
57void helper_msg_as_timeout(struct bfq_disk_ctx *bfq_diskctx);
58void helper_msg_destroy_tdio(struct bfq_disk_ctx *bfq_diskctx, struct dsched_thread_io *tdio);
59void helper_msg_kill(struct bfq_disk_ctx *bfq_diskctx);
60
61#endif
62