2 * Copyright © 2012 Intel Corporation
3 * Copyright © 2014 The Chromium OS Authors
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:
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
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
25 * Ben Widawsky <ben@bwidawsk.net>
33 #include <drm/drm_gem.h>
34 #include <drm/drm_cache.h>
36 #include <uapi/drm/vgem_drm.h>
40 struct mutex fence_mutex
;
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
;
48 unsigned int pages_pin_count
;
49 struct mutex pages_lock
;
51 struct sg_table
*table
;
54 int vgem_fence_open(struct vgem_file
*file
);
55 int vgem_fence_attach_ioctl(struct drm_device
*dev
,
57 struct drm_file
*file
);
58 int vgem_fence_signal_ioctl(struct drm_device
*dev
,
60 struct drm_file
*file
);
61 void vgem_fence_close(struct vgem_file
*file
);