The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/dev/tdfx/tdfx_linux.c

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) 2006 The FreeBSD Project
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  */
   26 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD: releng/11.1/sys/dev/tdfx/tdfx_linux.c 263233 2014-03-16 10:55:57Z rwatson $");
   29 
   30 #include <sys/param.h>
   31 #include <sys/capsicum.h>
   32 #include <sys/file.h>
   33 #include <sys/kernel.h>
   34 #include <sys/module.h>
   35 #include <sys/proc.h>
   36 #include <sys/systm.h>
   37 
   38 #include <dev/tdfx/tdfx_linux.h>
   39 
   40 LINUX_IOCTL_SET(tdfx, LINUX_IOCTL_TDFX_MIN, LINUX_IOCTL_TDFX_MAX);
   41 
   42 /*
   43  * Linux emulation IOCTL for /dev/tdfx
   44  */
   45 static int
   46 linux_ioctl_tdfx(struct thread *td, struct linux_ioctl_args* args)
   47 {
   48    cap_rights_t rights;
   49    int error = 0;
   50    u_long cmd = args->cmd & 0xffff;
   51 
   52    /* The structure passed to ioctl has two shorts, one int
   53       and one void*. */
   54    char d_pio[2*sizeof(short) + sizeof(int) + sizeof(void*)];
   55 
   56    struct file *fp;
   57 
   58    error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
   59    if (error != 0)
   60            return (error);
   61    /* We simply copy the data and send it right to ioctl */
   62    copyin((caddr_t)args->arg, &d_pio, sizeof(d_pio));
   63    error = fo_ioctl(fp, cmd, (caddr_t)&d_pio, td->td_ucred, td);
   64    fdrop(fp, td);
   65    return error;
   66 }
   67 
   68 static int
   69 tdfx_linux_modevent(struct module *mod __unused, int what, void *arg __unused)
   70 {
   71 
   72         switch (what) {
   73         case MOD_LOAD:
   74         case MOD_UNLOAD:
   75                 return (0);
   76         }
   77         return (EOPNOTSUPP);
   78 }
   79 
   80 static moduledata_t tdfx_linux_mod = {
   81         "tdfx_linux",
   82         tdfx_linux_modevent,
   83         0
   84 };
   85 
   86 /* As in SYSCALL_MODULE */
   87 DECLARE_MODULE(tdfx_linux, tdfx_linux_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
   88 MODULE_VERSION(tdfx_linux, 1);
   89 MODULE_DEPEND(tdfx_linux, tdfx, 1, 1, 1);
   90 MODULE_DEPEND(tdfx_linux, linux, 1, 1, 1);

Cache object: e2cf5e5776b2eefc415a41cb82ada8f8


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.