/*      $NetBSD: compat_43_mod.c,v 1.3 2019/01/28 15:46:49 christos Exp $       */

/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software developed for The NetBSD Foundation
* by Paul Goyette
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: compat_43_mod.c,v 1.3 2019/01/28 15:46:49 christos Exp $");

#if defined(_KERNEL_OPT)
#include "opt_compat_netbsd.h"
#endif

#include <sys/systm.h>
#include <sys/module.h>
#include <sys/sysctl.h>
#include <sys/syscall.h>
#include <sys/syscallvar.h>
#include <sys/syscallargs.h>

#include <compat/common/compat_util.h>
#include <compat/common/compat_mod.h>

int
compat_43_init(void)
{
       int error;

       error = kern_exit_43_init();
       if (error != 0)
               return error;

       error = kern_info_43_init();
       if (error != 0)
               goto out8;

       error = kern_resource_43_init();
       if (error != 0)
               goto out7;

       error = kern_sig_43_init();
       if (error != 0)
               goto out6;

       error = kern_tty_43_init();
       if (error != 0)
               goto out5;

       error = uipc_syscalls_43_init();
       if (error != 0)
               goto out4;

       error = vfs_syscalls_43_init();
       if (error != 0)
               goto out3;

       error = vm_43_init();
       if (error != 0)
               goto out2;

       error = if_43_init();
       if (error != 0)
               goto out1;

       return 0;

out1:
       vm_43_fini();
out2:
       vfs_syscalls_43_fini();
out3:
       uipc_syscalls_43_fini();
out4:
       kern_tty_43_fini();
out5:
       kern_sig_43_fini();
out6:
       kern_resource_43_fini();
out7:
       kern_info_43_fini();
out8:
       kern_exit_43_fini();

       return error;
}

int
compat_43_fini(void)
{
       int error;

       error = if_43_fini();
       if (error != 0)
               return error;

       error = vm_43_fini();
       if (error != 0)
               goto out8;

       error = vfs_syscalls_43_fini();
       if (error != 0)
               goto out7;

       error = uipc_syscalls_43_fini();
       if (error != 0)
               goto out6;

       error = kern_tty_43_fini();
       if (error != 0)
               goto out5;

       error = kern_sig_43_fini();
       if (error != 0)
               goto out4;

       error = kern_resource_43_fini();
       if (error != 0)
               goto out3;

       error = kern_info_43_fini();
       if (error != 0)
               goto out2;

       error = kern_exit_43_fini();
       if (error != 0)
               goto out1;

       return 0;

out1:
       kern_info_43_init();
out2:
       kern_resource_43_init();
out3:
       kern_sig_43_init();
out4:
       kern_tty_43_init();
out5:
       uipc_syscalls_43_init();
out6:
       vfs_syscalls_43_init();
out7:
       vm_43_init();
out8:
       if_43_init();

       return error;
}

/*
* XXX We "require" the compat_60 module to ensure proper ordering of
* XXX vectoring the ttcompatvec replacement routine!
*/
MODULE(MODULE_CLASS_EXEC, compat_43,
   "compat_sysctl_09_43,compat_util,compat_60");

static int
compat_43_modcmd(modcmd_t cmd, void *arg)
{

       switch (cmd) {
       case MODULE_CMD_INIT:
               return compat_43_init();
       case MODULE_CMD_FINI:
               return compat_43_fini();
       default:
               return ENOTTY;
       }
}