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/*
* Copyright © 2012 Intel Corporation
* Copyright © 2014 The Chromium OS Authors
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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:
* Ben Widawsky <ben@bwidawsk.net>
*
*/
#ifndef _VGEM_DRV_H_
#define _VGEM_DRV_H_
#include <drm/drm_gem.h>
#include <drm/drm_cache.h>
#include <uapi/drm/vgem_drm.h>
struct vgem_file {
struct idr fence_idr;
struct mutex fence_mutex;
};
#define to_vgem_bo(x) container_of(x, struct drm_vgem_gem_object, base)
struct drm_vgem_gem_object {
struct drm_gem_object base;
struct page **pages;
unsigned int pages_pin_count;
struct mutex pages_lock;
struct sg_table *table;
};
int vgem_fence_open(struct vgem_file *file);
int vgem_fence_attach_ioctl(struct drm_device *dev,
void *data,
struct drm_file *file);
int vgem_fence_signal_ioctl(struct drm_device *dev,
void *data,
struct drm_file *file);
void vgem_fence_close(struct vgem_file *file);
#endif
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