1/*-
2 * Copyright (c) 2004 Max Khon
3 * Copyright (c) 2014 Juniper Networks, Inc.
4 * Copyright (c) 2006-2016 Maxim Sobolev <sobomax@FreeBSD.org>
5 * All rights reserved.
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 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: releng/11.0/sys/geom/uzip/g_uzip_softc.h 295943 2016-02-23 23:59:08Z sobomax $
29 */
30
31struct g_uzip_softc;
32struct bio;
33
34DEFINE_RAW_METHOD(g_uzip_do, void, struct g_uzip_softc *, struct bio *);
35
36struct g_uzip_softc {
37	uint32_t blksz;                 /* block size */
38	uint32_t nblocks;               /* number of blocks */
39	struct g_uzip_blk *toc;         /* table of contents */
40
41	struct mtx last_mtx;
42	uint32_t last_blk;              /* last blk no */
43	char *last_buf;                 /* last blk data */
44	int req_total;                  /* total requests */
45	int req_cached;                 /* cached requests */
46	struct g_uzip_dapi *dcp;        /* decompressor instance */
47
48	g_uzip_do_t uzip_do;
49
50	struct proc *procp;
51	struct bio_queue_head bio_queue;
52	struct mtx queue_mtx;
53	unsigned wrkthr_flags;
54#define	GUZ_SHUTDOWN	(0x1 << 0)
55#define	GUZ_EXITING	(0x1 << 1)
56};
57