[linux-2.6-block.git] / drivers / gpu / drm / vgem / vgem_drv.h

/*
 * 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/drmP.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
Commit	Line	Data
502e95c6 ZR	1	/*
	2	* Copyright © 2012 Intel Corporation
	3	* Copyright © 2014 The Chromium OS Authors
	4	*
	5	* Permission is hereby granted, free of charge, to any person obtaining a
	6	* copy of this software and associated documentation files (the "Software"),
	7	* to deal in the Software without restriction, including without limitation
	8	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	9	* and/or sell copies of the Software, and to permit persons to whom the
	10	* Software is furnished to do so, subject to the following conditions:
	11	*
	12	* The above copyright notice and this permission notice (including the next
	13	* paragraph) shall be included in all copies or substantial portions of the
	14	* Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	21	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
	22	* 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/drmP.h>
	33	#include <drm/drm_gem.h>
f9a87bd7	34	#include <drm/drm_cache.h>
502e95c6	35
40777984 CW	36	#include <uapi/drm/vgem_drm.h>
	37
	38	struct vgem_file {
	39	struct idr fence_idr;
	40	struct mutex fence_mutex;
	41	};
	42
502e95c6 ZR	43	#define to_vgem_bo(x) container_of(x, struct drm_vgem_gem_object, base)
	44	struct drm_vgem_gem_object {
	45	struct drm_gem_object base;
71bb23c7	46
af33a919	47	struct page **pages;
71bb23c7 CW	48	unsigned int pages_pin_count;
	49	struct mutex pages_lock;
	50
af33a919	51	struct sg_table *table;
502e95c6 ZR	52	};
502e95c6 ZR	53
40777984 CW	54	int vgem_fence_open(struct vgem_file *file);
	55	int vgem_fence_attach_ioctl(struct drm_device *dev,
	56	void *data,
	57	struct drm_file *file);
	58	int vgem_fence_signal_ioctl(struct drm_device *dev,
	59	void *data,
	60	struct drm_file *file);
	61	void vgem_fence_close(struct vgem_file *file);
	62
502e95c6	63	#endif