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1 | /* |
2 | * Copyright(c) 2017 Intel Corporation. All rights reserved. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
21 | * SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * Zhiyuan Lv <zhiyuan.lv@intel.com> | |
25 | * | |
26 | * Contributors: | |
27 | * Xiaoguang Chen | |
28 | * Tina Zhang <tina.zhang@intel.com> | |
29 | */ | |
30 | ||
31 | #ifndef _GVT_DMABUF_H_ | |
32 | #define _GVT_DMABUF_H_ | |
33 | #include <linux/vfio.h> | |
34 | ||
35 | struct intel_vgpu_fb_info { | |
36 | __u64 start; | |
37 | __u64 start_gpa; | |
38 | __u64 drm_format_mod; | |
39 | __u32 drm_format; /* drm format of plane */ | |
40 | __u32 width; /* width of plane */ | |
41 | __u32 height; /* height of plane */ | |
42 | __u32 stride; /* stride of plane */ | |
43 | __u32 size; /* size of plane in bytes, align on page */ | |
44 | __u32 x_pos; /* horizontal position of cursor plane */ | |
45 | __u32 y_pos; /* vertical position of cursor plane */ | |
46 | __u32 x_hot; /* horizontal position of cursor hotspot */ | |
47 | __u32 y_hot; /* vertical position of cursor hotspot */ | |
48 | struct intel_vgpu_dmabuf_obj *obj; | |
49 | }; | |
50 | ||
51 | /** | |
52 | * struct intel_vgpu_dmabuf_obj- Intel vGPU device buffer object | |
53 | */ | |
54 | struct intel_vgpu_dmabuf_obj { | |
55 | struct intel_vgpu *vgpu; | |
56 | struct intel_vgpu_fb_info *info; | |
57 | __u32 dmabuf_id; | |
58 | struct kref kref; | |
59 | bool initref; | |
60 | struct list_head list; | |
61 | }; | |
62 | ||
63 | int intel_vgpu_query_plane(struct intel_vgpu *vgpu, void *args); | |
64 | int intel_vgpu_get_dmabuf(struct intel_vgpu *vgpu, unsigned int dmabuf_id); | |
65 | void intel_vgpu_dmabuf_cleanup(struct intel_vgpu *vgpu); | |
66 | ||
67 | #endif |