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 29 struct g_uzip_softc; 30 struct bio; 31 32 DEFINE_RAW_METHOD(g_uzip_do, void, struct g_uzip_softc *, struct bio *); 33 34 struct g_uzip_softc { 35 uint32_t blksz; /* block size */ 36 uint32_t nblocks; /* number of blocks */ 37 struct g_uzip_blk *toc; /* table of contents */ 38 39 struct mtx last_mtx; 40 uint32_t last_blk; /* last blk no */ 41 char *last_buf; /* last blk data */ 42 int req_total; /* total requests */ 43 int req_cached; /* cached requests */ 44 struct g_uzip_dapi *dcp; /* decompressor instance */ 45 46 g_uzip_do_t uzip_do; 47 48 struct proc *procp; 49 struct bio_queue_head bio_queue; 50 struct mtx queue_mtx; 51 unsigned wrkthr_flags; 52 #define GUZ_SHUTDOWN (0x1 << 0) 53 #define GUZ_EXITING (0x1 << 1) 54 }; 55