1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/*
* 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>
#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;
bool use_dma_buf;
};
/* vgem_drv.c */
extern void vgem_gem_put_pages(struct drm_vgem_gem_object *obj);
extern int vgem_gem_get_pages(struct drm_vgem_gem_object *obj);
/* vgem_dma_buf.c */
extern struct sg_table *vgem_gem_prime_get_sg_table(
struct drm_gem_object *gobj);
extern int vgem_gem_prime_pin(struct drm_gem_object *gobj);
extern void vgem_gem_prime_unpin(struct drm_gem_object *gobj);
extern void *vgem_gem_prime_vmap(struct drm_gem_object *gobj);
extern void vgem_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
extern struct drm_gem_object *vgem_gem_prime_import(struct drm_device *dev,
struct dma_buf *dma_buf);
#endif
|
