/*      $NetBSD: kern_cpu_60.c,v 1.4 2019/01/27 02:08:39 pgoyette Exp $ */

/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* 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: kern_cpu_60.c,v 1.4 2019/01/27 02:08:39 pgoyette Exp $");

#ifdef _KERNEL_OPT
#include "opt_cpu_ucode.h"
#include "opt_compat_netbsd.h"
#endif

#ifdef _KERNEL_OPT
#include "opt_cpu_ucode.h"
#include "opt_compat_netbsd.h"
#endif

#include <sys/param.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/kauth.h>
#include <sys/lwp.h>
#include <sys/cpu.h>

#include <compat/sys/cpuio.h>

static int
compat6_cpuctl_ioctl(struct lwp *l, u_long cmd, void *data)
{

       switch (cmd) {
#if defined(CPU_UCODE) && defined(COMPAT_60)
       case OIOC_CPU_UCODE_GET_VERSION:
               return compat6_cpu_ucode_get_version(data);

       case OIOC_CPU_UCODE_APPLY:
           {
               int error;

               error = kauth_authorize_machdep(l->l_cred,
                   KAUTH_MACHDEP_CPU_UCODE_APPLY, NULL, NULL, NULL, NULL);
               if (error)
                       return error;
               return compat6_cpu_ucode_apply(data);
           }
#endif
       default:
               return ENOTTY;
       }
}

void
kern_cpu_60_init(void)
{

       compat_cpuctl_ioctl = compat6_cpuctl_ioctl;
}

void
kern_cpu_60_fini(void)
{

       compat_cpuctl_ioctl = (void *)enosys;
}