1 /*
2 * Copyright(c) 2011-2016 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
24 #ifndef _INTEL_GVT_H_
25 #define _INTEL_GVT_H_
26
27 #include <linux/types.h>
28
29 struct drm_i915_private;
30
31 #ifdef CONFIG_DRM_I915_GVT
32
33 struct intel_gvt_mmio_table_iter {
34 struct drm_i915_private *i915;
35 void *data;
36 int (*handle_mmio_cb)(struct intel_gvt_mmio_table_iter *iter,
37 u32 offset, u32 size);
38 };
39
40 int intel_gvt_init(struct drm_i915_private *dev_priv);
41 void intel_gvt_driver_remove(struct drm_i915_private *dev_priv);
42 int intel_gvt_init_host(void);
43 void intel_gvt_resume(struct drm_i915_private *dev_priv);
44 int intel_gvt_iterate_mmio_table(struct intel_gvt_mmio_table_iter *iter);
45
46 struct intel_vgpu_ops {
47 int (*init_device)(struct drm_i915_private *dev_priv);
48 void (*clean_device)(struct drm_i915_private *dev_priv);
49 void (*pm_resume)(struct drm_i915_private *i915);
50 };
51
52 int intel_gvt_set_ops(const struct intel_vgpu_ops *ops);
53 void intel_gvt_clear_ops(const struct intel_vgpu_ops *ops);
54
55 #else
intel_gvt_init(struct drm_i915_private * dev_priv)56 static inline int intel_gvt_init(struct drm_i915_private *dev_priv)
57 {
58 return 0;
59 }
60
intel_gvt_driver_remove(struct drm_i915_private * dev_priv)61 static inline void intel_gvt_driver_remove(struct drm_i915_private *dev_priv)
62 {
63 }
64
intel_gvt_resume(struct drm_i915_private * dev_priv)65 static inline void intel_gvt_resume(struct drm_i915_private *dev_priv)
66 {
67 }
68
69 struct intel_gvt_mmio_table_iter {
70 };
71
intel_gvt_iterate_mmio_table(struct intel_gvt_mmio_table_iter * iter)72 static inline int intel_gvt_iterate_mmio_table(struct intel_gvt_mmio_table_iter *iter)
73 {
74 return 0;
75 }
76 #endif
77
78 #endif /* _INTEL_GVT_H_ */
79