drawable.c
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上传日期:2013-04-10
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- /* drawable.c -- IOCTLs for drawables -*- linux-c -*-
- * Created: Tue Feb 2 08:37:54 1999 by faith@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
- *
- * Authors:
- * Rickard E. (Rik) Faith <faith@valinux.com>
- *
- */
- #define __NO_VERSION__
- #include "drmP.h"
- int drm_adddraw(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
- {
- drm_draw_t draw;
- draw.handle = 0; /* NOOP */
- DRM_DEBUG("%dn", draw.handle);
- if (copy_to_user((drm_draw_t *)arg, &draw, sizeof(draw)))
- return -EFAULT;
- return 0;
- }
- int drm_rmdraw(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
- {
- return 0; /* NOOP */
- }