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>
 
 
 
 
 
 
 
 
34
35#define to_vgem_bo(x) container_of(x, struct drm_vgem_gem_object, base)
36struct drm_vgem_gem_object {
37	struct drm_gem_object base;
 
38	struct page **pages;
39	bool use_dma_buf;
 
 
 
40};
41
42/* vgem_drv.c */
43extern void vgem_gem_put_pages(struct drm_vgem_gem_object *obj);
44extern int vgem_gem_get_pages(struct drm_vgem_gem_object *obj);
 
 
 
 
 
45
46#endif

 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/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
42#define to_vgem_bo(x) container_of(x, struct drm_vgem_gem_object, base)
43struct drm_vgem_gem_object {
44	struct drm_gem_object base;
45
46	struct page **pages;
47	unsigned int pages_pin_count;
48	struct mutex pages_lock;
49
50	struct sg_table *table;
51};
52
53int vgem_fence_open(struct vgem_file *file);
54int vgem_fence_attach_ioctl(struct drm_device *dev,
55			    void *data,
56			    struct drm_file *file);
57int vgem_fence_signal_ioctl(struct drm_device *dev,
58			    void *data,
59			    struct drm_file *file);
60void vgem_fence_close(struct vgem_file *file);
61
62#endif