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1/*2 * Copyright © 2012 Intel Corporation3 * Copyright © 2014 The Chromium OS Authors4 *5 * Permission is hereby granted, free of charge, to any person obtaining a6 * copy of this software and associated documentation files (the "Software"),7 * to deal in the Software without restriction, including without limitation8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,9 * and/or sell copies of the Software, and to permit persons to whom the10 * Software is furnished to do so, subject to the following conditions:11 *12 * The above copyright notice and this permission notice (including the next13 * paragraph) shall be included in all copies or substantial portions of the14 * Software.15 *16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS22 * IN THE SOFTWARE.23 *24 * Authors:25 * Ben Widawsky <ben@bwidawsk.net>26 *27 */28 29#ifndef _VGEM_DRV_H_30#define _VGEM_DRV_H_31 32#include <drm/drm_gem.h>33#include <drm/drm_cache.h>34 35#include <uapi/drm/vgem_drm.h>36 37struct vgem_file {38 struct idr fence_idr;39 struct mutex fence_mutex;40};41 42int vgem_fence_open(struct vgem_file *file);43int vgem_fence_attach_ioctl(struct drm_device *dev,44 void *data,45 struct drm_file *file);46int vgem_fence_signal_ioctl(struct drm_device *dev,47 void *data,48 struct drm_file *file);49void vgem_fence_close(struct vgem_file *file);50 51#endif52