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