drivers/gpu/drm/amd/amdgpu/amdgpu_ioc32.c

   1 /**
   2  * \file amdgpu_ioc32.c
   3  *
   4  * 32-bit ioctl compatibility routines for the AMDGPU DRM.
   5  *
   6  * \author Paul Mackerras <paulus@samba.org>
   7  *
   8  * Copyright (C) Paul Mackerras 2005
   9  * All Rights Reserved.
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a
  12  * copy of this software and associated documentation files (the "Software"),
  13  * to deal in the Software without restriction, including without limitation
  14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  15  * and/or sell copies of the Software, and to permit persons to whom the
  16  * Software is furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice (including the next
  19  * paragraph) shall be included in all copies or substantial portions of the
  20  * Software.
  21  *
  22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  23  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  25  * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  26  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  27  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  28  * IN THE SOFTWARE.
  29  */
  30 #include <linux/compat.h>
  31
  32 #include <drm/drmP.h>
  33 #include <drm/amdgpu_drm.h>
  34 #include "amdgpu_drv.h"
  35
  36 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
  37 {
  38         unsigned int nr = DRM_IOCTL_NR(cmd);
  39         int ret;
  40
  41         if (nr < DRM_COMMAND_BASE)
  42                 return drm_compat_ioctl(filp, cmd, arg);
  43
  44         ret = amdgpu_drm_ioctl(filp, cmd, arg);
  45
  46         return ret;
  47 }