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      1  1.3  pgoyette /*	$NetBSD: compat_30_mod.c,v 1.3 2019/12/28 15:39:52 pgoyette Exp $	*/
      2  1.2  pgoyette 
      3  1.2  pgoyette /*-
      4  1.2  pgoyette  * Copyright (c) 2018 The NetBSD Foundation, Inc.
      5  1.2  pgoyette  * All rights reserved.
      6  1.2  pgoyette  *
      7  1.2  pgoyette  * This code is derived from software developed for The NetBSD Foundation
      8  1.2  pgoyette  * by Paul Goyette
      9  1.2  pgoyette  *
     10  1.2  pgoyette  * Redistribution and use in source and binary forms, with or without
     11  1.2  pgoyette  * modification, are permitted provided that the following conditions
     12  1.2  pgoyette  * are met:
     13  1.2  pgoyette  * 1. Redistributions of source code must retain the above copyright
     14  1.2  pgoyette  *    notice, this list of conditions and the following disclaimer.
     15  1.2  pgoyette  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.2  pgoyette  *    notice, this list of conditions and the following disclaimer in the
     17  1.2  pgoyette  *    documentation and/or other materials provided with the distribution.
     18  1.2  pgoyette  *
     19  1.2  pgoyette  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.2  pgoyette  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.2  pgoyette  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.2  pgoyette  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.2  pgoyette  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.2  pgoyette  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.2  pgoyette  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.2  pgoyette  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.2  pgoyette  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.2  pgoyette  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.2  pgoyette  * POSSIBILITY OF SUCH DAMAGE.
     30  1.2  pgoyette  */
     31  1.2  pgoyette 
     32  1.2  pgoyette /*
     33  1.2  pgoyette  * Linkage for the compat module: spaghetti.
     34  1.2  pgoyette  */
     35  1.2  pgoyette 
     36  1.2  pgoyette #include <sys/cdefs.h>
     37  1.3  pgoyette __KERNEL_RCSID(0, "$NetBSD: compat_30_mod.c,v 1.3 2019/12/28 15:39:52 pgoyette Exp $");
     38  1.2  pgoyette 
     39  1.2  pgoyette #if defined(_KERNEL_OPT)
     40  1.2  pgoyette #include "opt_compat_netbsd.h"
     41  1.2  pgoyette #endif
     42  1.2  pgoyette 
     43  1.2  pgoyette #include <sys/systm.h>
     44  1.2  pgoyette #include <sys/module.h>
     45  1.2  pgoyette #include <sys/sysctl.h>
     46  1.2  pgoyette #include <sys/syscall.h>
     47  1.2  pgoyette #include <sys/syscallvar.h>
     48  1.2  pgoyette #include <sys/syscallargs.h>
     49  1.2  pgoyette 
     50  1.2  pgoyette #include <dev/biovar.h>
     51  1.2  pgoyette 
     52  1.2  pgoyette #include <compat/common/compat_util.h>
     53  1.2  pgoyette #include <compat/common/compat_mod.h>
     54  1.2  pgoyette 
     55  1.2  pgoyette int
     56  1.2  pgoyette compat_30_init(void)
     57  1.2  pgoyette {
     58  1.2  pgoyette 	int error = 0;
     59  1.2  pgoyette 
     60  1.2  pgoyette 	error = vfs_syscalls_30_init();
     61  1.2  pgoyette 	if (error != 0)
     62  1.2  pgoyette 		return error;
     63  1.2  pgoyette 
     64  1.2  pgoyette 	error = kern_time_30_init();
     65  1.2  pgoyette 	if (error != 0) {
     66  1.2  pgoyette 		vfs_syscalls_30_fini();
     67  1.2  pgoyette 		return error;
     68  1.2  pgoyette 	}
     69  1.3  pgoyette 	error = uipc_syscalls_30_init();
     70  1.3  pgoyette 	if (error != 0) {
     71  1.3  pgoyette 		kern_time_30_fini();
     72  1.3  pgoyette 		vfs_syscalls_30_fini();
     73  1.3  pgoyette 		return error;
     74  1.3  pgoyette 	}
     75  1.2  pgoyette 	bio_30_init();
     76  1.2  pgoyette 	vnd_30_init();
     77  1.2  pgoyette 	usb_30_init();
     78  1.2  pgoyette 
     79  1.2  pgoyette 	return error;
     80  1.2  pgoyette }
     81  1.2  pgoyette 
     82  1.2  pgoyette int
     83  1.2  pgoyette compat_30_fini(void)
     84  1.2  pgoyette {
     85  1.2  pgoyette 	int error = 0;
     86  1.2  pgoyette 
     87  1.2  pgoyette 	usb_30_fini();
     88  1.2  pgoyette 	vnd_30_fini();
     89  1.2  pgoyette 	bio_30_fini();
     90  1.2  pgoyette 
     91  1.3  pgoyette 	error = uipc_syscalls_30_fini();
     92  1.3  pgoyette 	if (error != 0)
     93  1.3  pgoyette 		goto err1;
     94  1.3  pgoyette 
     95  1.2  pgoyette 	error = kern_time_30_fini();
     96  1.2  pgoyette 	if (error != 0)
     97  1.3  pgoyette 		goto err2;
     98  1.2  pgoyette 
     99  1.2  pgoyette 	error = vfs_syscalls_30_fini();
    100  1.2  pgoyette 	if (error != 0)
    101  1.3  pgoyette 		goto err3;
    102  1.2  pgoyette 
    103  1.2  pgoyette 	return 0;
    104  1.2  pgoyette 
    105  1.3  pgoyette  err3:
    106  1.3  pgoyette 	kern_time_30_init();
    107  1.2  pgoyette  err2:
    108  1.3  pgoyette 	uipc_syscalls_30_init();
    109  1.2  pgoyette  err1:
    110  1.2  pgoyette 	bio_30_init();
    111  1.2  pgoyette 	vnd_30_init();
    112  1.2  pgoyette 	usb_30_init();
    113  1.2  pgoyette 
    114  1.2  pgoyette 	return error;
    115  1.2  pgoyette }
    116  1.2  pgoyette 
    117  1.2  pgoyette MODULE(MODULE_CLASS_EXEC, compat_30, "compat_util,compat_40");
    118  1.2  pgoyette 
    119  1.2  pgoyette static int
    120  1.2  pgoyette compat_30_modcmd(modcmd_t cmd, void *arg)
    121  1.2  pgoyette {
    122  1.2  pgoyette 
    123  1.2  pgoyette 	switch (cmd) {
    124  1.2  pgoyette 	case MODULE_CMD_INIT:
    125  1.2  pgoyette 		return compat_30_init();
    126  1.2  pgoyette 	case MODULE_CMD_FINI:
    127  1.2  pgoyette 		return compat_30_fini();
    128  1.2  pgoyette 	default:
    129  1.2  pgoyette 		return ENOTTY;
    130  1.2  pgoyette 	}
    131  1.2  pgoyette }
    132