6b3a9a0f3d
semantic patch: @@ expression rights, r; @@ - cap_rights_init(&rights, r) + cap_rights_init_one(&rights, r)
93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
|
*
|
|
* Copyright (c) 2006 The FreeBSD Project
|
|
* 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/capsicum.h>
|
|
#include <sys/file.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/systm.h>
|
|
|
|
#include <dev/tdfx/tdfx_linux.h>
|
|
|
|
LINUX_IOCTL_SET(tdfx, LINUX_IOCTL_TDFX_MIN, LINUX_IOCTL_TDFX_MAX);
|
|
|
|
/*
|
|
* Linux emulation IOCTL for /dev/tdfx
|
|
*/
|
|
static int
|
|
linux_ioctl_tdfx(struct thread *td, struct linux_ioctl_args* args)
|
|
{
|
|
cap_rights_t rights;
|
|
int error = 0;
|
|
u_long cmd = args->cmd & 0xffff;
|
|
|
|
/* The structure passed to ioctl has two shorts, one int
|
|
and one void*. */
|
|
char d_pio[2*sizeof(short) + sizeof(int) + sizeof(void*)];
|
|
|
|
struct file *fp;
|
|
|
|
error = fget(td, args->fd, cap_rights_init_one(&rights, CAP_IOCTL), &fp);
|
|
if (error != 0)
|
|
return (error);
|
|
/* We simply copy the data and send it right to ioctl */
|
|
copyin((caddr_t)args->arg, &d_pio, sizeof(d_pio));
|
|
error = fo_ioctl(fp, cmd, (caddr_t)&d_pio, td->td_ucred, td);
|
|
fdrop(fp, td);
|
|
return error;
|
|
}
|
|
|
|
static int
|
|
tdfx_linux_modevent(struct module *mod __unused, int what, void *arg __unused)
|
|
{
|
|
|
|
switch (what) {
|
|
case MOD_LOAD:
|
|
case MOD_UNLOAD:
|
|
return (0);
|
|
}
|
|
return (EOPNOTSUPP);
|
|
}
|
|
|
|
static moduledata_t tdfx_linux_mod = {
|
|
"tdfx_linux",
|
|
tdfx_linux_modevent,
|
|
0
|
|
};
|
|
|
|
/* As in SYSCALL_MODULE */
|
|
DECLARE_MODULE(tdfx_linux, tdfx_linux_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
|
|
MODULE_VERSION(tdfx_linux, 1);
|
|
MODULE_DEPEND(tdfx_linux, tdfx, 1, 1, 1);
|
|
MODULE_DEPEND(tdfx_linux, linux, 1, 1, 1);
|