1*e8643b01SKonstantin Belousov /*-
2*e8643b01SKonstantin Belousov * Copyright (c) 2010-2012 Aleksandr Rybalko
3*e8643b01SKonstantin Belousov * Copyright (c) 2019 Mellanox Technologies
4*e8643b01SKonstantin Belousov * All rights reserved.
5*e8643b01SKonstantin Belousov *
6*e8643b01SKonstantin Belousov * Redistribution and use in source and binary forms, with or without
7*e8643b01SKonstantin Belousov * modification, are permitted provided that the following conditions
8*e8643b01SKonstantin Belousov * are met:
9*e8643b01SKonstantin Belousov * 1. Redistributions of source code must retain the above copyright
10*e8643b01SKonstantin Belousov * notice, this list of conditions and the following disclaimer.
11*e8643b01SKonstantin Belousov * 2. Redistributions in binary form must reproduce the above copyright
12*e8643b01SKonstantin Belousov * notice, this list of conditions and the following disclaimer in the
13*e8643b01SKonstantin Belousov * documentation and/or other materials provided with the distribution.
14*e8643b01SKonstantin Belousov *
15*e8643b01SKonstantin Belousov * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16*e8643b01SKonstantin Belousov * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17*e8643b01SKonstantin Belousov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18*e8643b01SKonstantin Belousov * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19*e8643b01SKonstantin Belousov * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20*e8643b01SKonstantin Belousov * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21*e8643b01SKonstantin Belousov * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22*e8643b01SKonstantin Belousov * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23*e8643b01SKonstantin Belousov * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24*e8643b01SKonstantin Belousov * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25*e8643b01SKonstantin Belousov * SUCH DAMAGE.
26*e8643b01SKonstantin Belousov */
27*e8643b01SKonstantin Belousov
28*e8643b01SKonstantin Belousov #include <sys/cdefs.h>
29*e8643b01SKonstantin Belousov #include <sys/malloc.h>
30*e8643b01SKonstantin Belousov #include <sys/kernel.h>
31*e8643b01SKonstantin Belousov #include <sys/module.h>
32*e8643b01SKonstantin Belousov #include "xz.h"
33*e8643b01SKonstantin Belousov #include "xz_malloc.h"
34*e8643b01SKonstantin Belousov
35*e8643b01SKonstantin Belousov /* Wraper for XZ decompressor memory pool */
36*e8643b01SKonstantin Belousov
37*e8643b01SKonstantin Belousov static MALLOC_DEFINE(XZ_DEC, "XZ_DEC", "XZ decompressor data");
38*e8643b01SKonstantin Belousov
39*e8643b01SKonstantin Belousov void *
xz_malloc(unsigned long size)40*e8643b01SKonstantin Belousov xz_malloc(unsigned long size)
41*e8643b01SKonstantin Belousov {
42*e8643b01SKonstantin Belousov void *addr;
43*e8643b01SKonstantin Belousov
44*e8643b01SKonstantin Belousov addr = malloc(size, XZ_DEC, M_NOWAIT);
45*e8643b01SKonstantin Belousov return (addr);
46*e8643b01SKonstantin Belousov }
47*e8643b01SKonstantin Belousov
48*e8643b01SKonstantin Belousov void
xz_free(void * addr)49*e8643b01SKonstantin Belousov xz_free(void *addr)
50*e8643b01SKonstantin Belousov {
51*e8643b01SKonstantin Belousov
52*e8643b01SKonstantin Belousov free(addr, XZ_DEC);
53*e8643b01SKonstantin Belousov }
54*e8643b01SKonstantin Belousov
55*e8643b01SKonstantin Belousov static int
xz_module_event_handler(module_t mod,int what,void * arg)56*e8643b01SKonstantin Belousov xz_module_event_handler(module_t mod, int what, void *arg)
57*e8643b01SKonstantin Belousov {
58*e8643b01SKonstantin Belousov int error;
59*e8643b01SKonstantin Belousov
60*e8643b01SKonstantin Belousov switch (what) {
61*e8643b01SKonstantin Belousov case MOD_LOAD:
62*e8643b01SKonstantin Belousov #if XZ_INTERNAL_CRC32
63*e8643b01SKonstantin Belousov xz_crc32_init();
64*e8643b01SKonstantin Belousov #endif
65*e8643b01SKonstantin Belousov #if XZ_INTERNAL_CRC64
66*e8643b01SKonstantin Belousov xz_crc64_init();
67*e8643b01SKonstantin Belousov #endif
68*e8643b01SKonstantin Belousov error = 0;
69*e8643b01SKonstantin Belousov break;
70*e8643b01SKonstantin Belousov case MOD_UNLOAD:
71*e8643b01SKonstantin Belousov error = 0;
72*e8643b01SKonstantin Belousov break;
73*e8643b01SKonstantin Belousov default:
74*e8643b01SKonstantin Belousov error = EOPNOTSUPP;
75*e8643b01SKonstantin Belousov break;
76*e8643b01SKonstantin Belousov }
77*e8643b01SKonstantin Belousov
78*e8643b01SKonstantin Belousov return (error);
79*e8643b01SKonstantin Belousov }
80*e8643b01SKonstantin Belousov
81*e8643b01SKonstantin Belousov static moduledata_t xz_moduledata = {
82*e8643b01SKonstantin Belousov "xz",
83*e8643b01SKonstantin Belousov xz_module_event_handler,
84*e8643b01SKonstantin Belousov NULL
85*e8643b01SKonstantin Belousov };
86*e8643b01SKonstantin Belousov
87*e8643b01SKonstantin Belousov DECLARE_MODULE(xz, xz_moduledata, SI_SUB_INIT_IF, SI_ORDER_ANY);
88*e8643b01SKonstantin Belousov MODULE_VERSION(xz, 1);
89