/*
* \ file mga_ioc32 . c
*
* 32 - bit ioctl compatibility routines for the MGA DRM .
*
* \ author Dave Airlie < airlied @ linux . ie > with code from patches by Egbert Eich
*
*
* Copyright ( C ) Paul Mackerras 2005
* Copyright ( C ) Egbert Eich 2003 , 2004
* Copyright ( C ) Dave Airlie 2005
* All Rights Reserved .
*
* Permission is hereby granted , free of charge , to any person obtaining a
* copy of this software and associated documentation files ( the " Software " ) ,
* to deal in the Software without restriction , including without limitation
* the rights to use , copy , modify , merge , publish , distribute , sublicense ,
* and / or sell copies of the Software , and to permit persons to whom the
* Software is furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice ( including the next
* paragraph ) shall be included in all copies or substantial portions of the
* Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL
* THE AUTHOR BE LIABLE FOR ANY CLAIM , DAMAGES OR OTHER LIABILITY ,
* WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE , ARISING FROM ,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE .
*/
#include <linux/compat.h>
#include <drm/drm.h>
#include <drm/drm_ioctl.h>
#include "nouveau_ioctl.h"
/*
* Called whenever a 32 - bit process running under a 64 - bit kernel
* performs an ioctl on / dev / dri / card < n > .
*
* \ param filp file pointer .
* \ param cmd command .
* \ param arg user argument .
* \ return zero on success or negative number on failure .
*/
long nouveau_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg)
{
unsigned int nr = DRM_IOCTL_NR(cmd);
drm_ioctl_compat_t *fn = NULL;
int ret;
if (nr < DRM_COMMAND_BASE)
return drm_compat_ioctl(filp, cmd, arg);
#if 0
if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(mga_compat_ioctls))
fn = nouveau_compat_ioctls[nr - DRM_COMMAND_BASE];
#endif
if (fn != NULL)
ret = (*fn)(filp, cmd, arg);
else
ret = nouveau_drm_ioctl(filp, cmd, arg);
return ret;
}
Messung V0.5 in Prozent C=98 H=100 G=98
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-02)
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