1 /* $NetBSD: compat_30_mod.c,v 1.3 2019/12/28 15:39:52 pgoyette Exp $ */ 2 3 /*- 4 * Copyright (c) 2018 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software developed for The NetBSD Foundation 8 * by Paul Goyette 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Linkage for the compat module: spaghetti. 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: compat_30_mod.c,v 1.3 2019/12/28 15:39:52 pgoyette Exp $"); 38 39 #if defined(_KERNEL_OPT) 40 #include "opt_compat_netbsd.h" 41 #endif 42 43 #include <sys/systm.h> 44 #include <sys/module.h> 45 #include <sys/sysctl.h> 46 #include <sys/syscall.h> 47 #include <sys/syscallvar.h> 48 #include <sys/syscallargs.h> 49 50 #include <dev/biovar.h> 51 52 #include <compat/common/compat_util.h> 53 #include <compat/common/compat_mod.h> 54 55 int 56 compat_30_init(void) 57 { 58 int error = 0; 59 60 error = vfs_syscalls_30_init(); 61 if (error != 0) 62 return error; 63 64 error = kern_time_30_init(); 65 if (error != 0) { 66 vfs_syscalls_30_fini(); 67 return error; 68 } 69 error = uipc_syscalls_30_init(); 70 if (error != 0) { 71 kern_time_30_fini(); 72 vfs_syscalls_30_fini(); 73 return error; 74 } 75 bio_30_init(); 76 vnd_30_init(); 77 usb_30_init(); 78 79 return error; 80 } 81 82 int 83 compat_30_fini(void) 84 { 85 int error = 0; 86 87 usb_30_fini(); 88 vnd_30_fini(); 89 bio_30_fini(); 90 91 error = uipc_syscalls_30_fini(); 92 if (error != 0) 93 goto err1; 94 95 error = kern_time_30_fini(); 96 if (error != 0) 97 goto err2; 98 99 error = vfs_syscalls_30_fini(); 100 if (error != 0) 101 goto err3; 102 103 return 0; 104 105 err3: 106 kern_time_30_init(); 107 err2: 108 uipc_syscalls_30_init(); 109 err1: 110 bio_30_init(); 111 vnd_30_init(); 112 usb_30_init(); 113 114 return error; 115 } 116 117 MODULE(MODULE_CLASS_EXEC, compat_30, "compat_util,compat_40"); 118 119 static int 120 compat_30_modcmd(modcmd_t cmd, void *arg) 121 { 122 123 switch (cmd) { 124 case MODULE_CMD_INIT: 125 return compat_30_init(); 126 case MODULE_CMD_FINI: 127 return compat_30_fini(); 128 default: 129 return ENOTTY; 130 } 131 } 132