blob: 57ab4d8f41f92b083299d786d62f0ebca00577a1 [file] [log] [blame]
Zach Reizner502e95c2015-03-04 16:33:41 -08001/*
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/* vgem_dma_buf.c */
47extern struct sg_table *vgem_gem_prime_get_sg_table(
48 struct drm_gem_object *gobj);
49extern int vgem_gem_prime_pin(struct drm_gem_object *gobj);
50extern void vgem_gem_prime_unpin(struct drm_gem_object *gobj);
51extern void *vgem_gem_prime_vmap(struct drm_gem_object *gobj);
52extern void vgem_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
53extern struct drm_gem_object *vgem_gem_prime_import(struct drm_device *dev,
54 struct dma_buf *dma_buf);
55
56
57#endif