Current Path : /sys/dev/tdfx/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/tdfx/tdfx_linux.c |
/*- * 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: release/9.1.0/sys/dev/tdfx/tdfx_linux.c 224778 2011-08-11 12:30:23Z rwatson $"); #include <sys/param.h> #include <sys/capability.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) { 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; if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 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);