4a14441044
further refinement is required as some device drivers intended to be portable over FreeBSD versions rely on __FreeBSD_version to decide whether to include capability.h. MFC after: 3 weeks
86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/*-
|
|
* 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(&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);
|
|
}
|