xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/i915/i915_vgpu.h (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: i915_vgpu.h,v 1.4 2021/12/18 23:45:28 riastradh Exp $	*/
2 
3 /*
4  * Copyright(c) 2011-2015 Intel Corporation. All rights reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice (including the next
14  * paragraph) shall be included in all copies or substantial portions of the
15  * Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
24  */
25 
26 #ifndef _I915_VGPU_H_
27 #define _I915_VGPU_H_
28 
29 #include "i915_drv.h"
30 #include "i915_pvinfo.h"
31 
32 void i915_detect_vgpu(struct drm_i915_private *dev_priv);
33 
34 bool intel_vgpu_has_full_ppgtt(struct drm_i915_private *dev_priv);
35 
36 static inline bool
intel_vgpu_has_hwsp_emulation(struct drm_i915_private * dev_priv)37 intel_vgpu_has_hwsp_emulation(struct drm_i915_private *dev_priv)
38 {
39 	return dev_priv->vgpu.caps & VGT_CAPS_HWSP_EMULATION;
40 }
41 
42 static inline bool
intel_vgpu_has_huge_gtt(struct drm_i915_private * dev_priv)43 intel_vgpu_has_huge_gtt(struct drm_i915_private *dev_priv)
44 {
45 	return dev_priv->vgpu.caps & VGT_CAPS_HUGE_GTT;
46 }
47 
48 int intel_vgt_balloon(struct i915_ggtt *ggtt);
49 void intel_vgt_deballoon(struct i915_ggtt *ggtt);
50 
51 #endif /* _I915_VGPU_H_ */
52