1 /* $NetBSD: compat_43_mod.c,v 1.3 2019/01/28 15:46:49 christos 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 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: compat_43_mod.c,v 1.3 2019/01/28 15:46:49 christos Exp $"); 34 35 #if defined(_KERNEL_OPT) 36 #include "opt_compat_netbsd.h" 37 #endif 38 39 #include <sys/systm.h> 40 #include <sys/module.h> 41 #include <sys/sysctl.h> 42 #include <sys/syscall.h> 43 #include <sys/syscallvar.h> 44 #include <sys/syscallargs.h> 45 46 #include <compat/common/compat_util.h> 47 #include <compat/common/compat_mod.h> 48 49 int 50 compat_43_init(void) 51 { 52 int error; 53 54 error = kern_exit_43_init(); 55 if (error != 0) 56 return error; 57 58 error = kern_info_43_init(); 59 if (error != 0) 60 goto out8; 61 62 error = kern_resource_43_init(); 63 if (error != 0) 64 goto out7; 65 66 error = kern_sig_43_init(); 67 if (error != 0) 68 goto out6; 69 70 error = kern_tty_43_init(); 71 if (error != 0) 72 goto out5; 73 74 error = uipc_syscalls_43_init(); 75 if (error != 0) 76 goto out4; 77 78 error = vfs_syscalls_43_init(); 79 if (error != 0) 80 goto out3; 81 82 error = vm_43_init(); 83 if (error != 0) 84 goto out2; 85 86 error = if_43_init(); 87 if (error != 0) 88 goto out1; 89 90 return 0; 91 92 out1: 93 vm_43_fini(); 94 out2: 95 vfs_syscalls_43_fini(); 96 out3: 97 uipc_syscalls_43_fini(); 98 out4: 99 kern_tty_43_fini(); 100 out5: 101 kern_sig_43_fini(); 102 out6: 103 kern_resource_43_fini(); 104 out7: 105 kern_info_43_fini(); 106 out8: 107 kern_exit_43_fini(); 108 109 return error; 110 } 111 112 int 113 compat_43_fini(void) 114 { 115 int error; 116 117 error = if_43_fini(); 118 if (error != 0) 119 return error; 120 121 error = vm_43_fini(); 122 if (error != 0) 123 goto out8; 124 125 error = vfs_syscalls_43_fini(); 126 if (error != 0) 127 goto out7; 128 129 error = uipc_syscalls_43_fini(); 130 if (error != 0) 131 goto out6; 132 133 error = kern_tty_43_fini(); 134 if (error != 0) 135 goto out5; 136 137 error = kern_sig_43_fini(); 138 if (error != 0) 139 goto out4; 140 141 error = kern_resource_43_fini(); 142 if (error != 0) 143 goto out3; 144 145 error = kern_info_43_fini(); 146 if (error != 0) 147 goto out2; 148 149 error = kern_exit_43_fini(); 150 if (error != 0) 151 goto out1; 152 153 return 0; 154 155 out1: 156 kern_info_43_init(); 157 out2: 158 kern_resource_43_init(); 159 out3: 160 kern_sig_43_init(); 161 out4: 162 kern_tty_43_init(); 163 out5: 164 uipc_syscalls_43_init(); 165 out6: 166 vfs_syscalls_43_init(); 167 out7: 168 vm_43_init(); 169 out8: 170 if_43_init(); 171 172 return error; 173 } 174 175 /* 176 * XXX We "require" the compat_60 module to ensure proper ordering of 177 * XXX vectoring the ttcompatvec replacement routine! 178 */ 179 MODULE(MODULE_CLASS_EXEC, compat_43, 180 "compat_sysctl_09_43,compat_util,compat_60"); 181 182 static int 183 compat_43_modcmd(modcmd_t cmd, void *arg) 184 { 185 186 switch (cmd) { 187 case MODULE_CMD_INIT: 188 return compat_43_init(); 189 case MODULE_CMD_FINI: 190 return compat_43_fini(); 191 default: 192 return ENOTTY; 193 } 194 } 195