1/* $NetBSD: opencrypto_component.c,v 1.6 2020/01/27 17:10:23 pgoyette Exp $ */ 2 3/* 4 * Copyright (c) 2009 Antti Kantee. 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 ``AS IS'' AND ANY EXPRESS 16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * 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 OR 21 * 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__KERNEL_RCSID(0, "$NetBSD: opencrypto_component.c,v 1.6 2020/01/27 17:10:23 pgoyette Exp $"); 30 31#include <sys/param.h> 32#include <sys/conf.h> 33#include <sys/device.h> 34#include <sys/stat.h> 35#include <sys/module.h> 36 37#include <rump-sys/kern.h> 38#include <rump-sys/dev.h> 39#include <rump-sys/vfs.h> 40 41#include "ioconf.h" 42 43void crypto_init(void); 44 45RUMP_COMPONENT(RUMP_COMPONENT_DEV) 46{ 47 extern const struct cdevsw crypto_cdevsw; 48 devmajor_t bmaj, cmaj; 49 int error; 50 51 /* go, mydevfs */ 52 bmaj = cmaj = -1; 53 54 if ((error = devsw_attach("crypto", NULL, &bmaj, 55 &crypto_cdevsw, &cmaj)) != 0) 56 panic("cannot attach crypto: %d", error); 57 58 if ((error = rump_vfs_makeonedevnode(S_IFCHR, "/dev/crypto", 59 cmaj, 0)) != 0) 60 panic("cannot create /dev/crypto: %d", error); 61 62 /* 63 * Initialize OpenCrypto and its pseudo-devices here 64 */ 65 crypto_init(); 66 rump_pdev_add(cryptoattach, 1); 67#if 0 68 /* 69 * rump defines "_MODULE" in spite of using built-in module 70 * initialization(module_init_class()). So, swcryptoattach_internal() 71 * is called by two functions, one is swcryptoattach() and the other is 72 * swcrypto_modcmd(). 73 * That causes "builtin module `swcrypto' failed to init" WARNING message. 74 * To suppress this warning, we let rump use swcrypto_modcmd() call-path 75 * only. 76 * 77 * TODO: 78 * There is still "crypto: unable to register devsw, error 17" message. 79 * it should be suppressed. 80 */ 81 rump_pdev_add(swcryptoattach, 0); 82#endif 83} 84