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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2005 Paul Saab
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/capsicum.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/file.h>
#include <sys/proc.h>
#if defined(__amd64__) /* Assume amd64 wants 32 bit Linux */
#include <machine/../linux32/linux.h>
#include <machine/../linux32/linux32_proto.h>
#else
#include <machine/../linux/linux.h>
#include <machine/../linux/linux_proto.h>
#endif
#include <compat/linux/linux_ioctl.h>
/* There are multiple ioctl number ranges that need to be handled */
#define AMR_LINUX_IOCTL_MIN 0x6d00
#define AMR_LINUX_IOCTL_MAX 0x6d01
static linux_ioctl_function_t amr_linux_ioctl;
static struct linux_ioctl_handler amr_linux_handler = {amr_linux_ioctl,
AMR_LINUX_IOCTL_MIN,
AMR_LINUX_IOCTL_MAX};
SYSINIT (amr_register, SI_SUB_KLD, SI_ORDER_MIDDLE,
linux_ioctl_register_handler, &amr_linux_handler);
SYSUNINIT(amr_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE,
linux_ioctl_unregister_handler, &amr_linux_handler);
static int
amr_linux_modevent(module_t mod, int cmd, void *data)
{
return (0);
}
DEV_MODULE(amr_linux, amr_linux_modevent, NULL);
MODULE_DEPEND(amr, linux, 1, 1, 1);
static int
amr_linux_ioctl(struct thread *p, struct linux_ioctl_args *args)
{
cap_rights_t rights;
struct file *fp;
int error;
error = fget(p, args->fd, cap_rights_init_one(&rights, CAP_IOCTL), &fp);
if (error != 0)
return (error);
error = fo_ioctl(fp, args->cmd, (caddr_t)args->arg, p->td_ucred, p);
fdrop(fp, p);
return (error);
}
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