xref: /linux/drivers/gpu/drm/i915/i915_vgpu.h (revision b8d312aa075f33282565467662c4628dae0a2aff)
1 /*
2  * Copyright(c) 2011-2015 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 _I915_VGPU_H_
25 #define _I915_VGPU_H_
26 
27 #include "i915_drv.h"
28 #include "i915_pvinfo.h"
29 
30 void i915_detect_vgpu(struct drm_i915_private *dev_priv);
31 
32 bool intel_vgpu_has_full_ppgtt(struct drm_i915_private *dev_priv);
33 
34 static inline bool
35 intel_vgpu_has_hwsp_emulation(struct drm_i915_private *dev_priv)
36 {
37 	return dev_priv->vgpu.caps & VGT_CAPS_HWSP_EMULATION;
38 }
39 
40 static inline bool
41 intel_vgpu_has_huge_gtt(struct drm_i915_private *dev_priv)
42 {
43 	return dev_priv->vgpu.caps & VGT_CAPS_HUGE_GTT;
44 }
45 
46 int intel_vgt_balloon(struct i915_ggtt *ggtt);
47 void intel_vgt_deballoon(struct i915_ggtt *ggtt);
48 
49 #endif /* _I915_VGPU_H_ */
50