xref: /openbmc/linux/drivers/gpu/drm/i915/i915_vgpu.h (revision b830f94f)
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_pvinfo.h"
28 
29 void i915_check_vgpu(struct drm_i915_private *dev_priv);
30 
31 bool intel_vgpu_has_full_ppgtt(struct drm_i915_private *dev_priv);
32 
33 static inline bool
34 intel_vgpu_has_hwsp_emulation(struct drm_i915_private *dev_priv)
35 {
36 	return dev_priv->vgpu.caps & VGT_CAPS_HWSP_EMULATION;
37 }
38 
39 static inline bool
40 intel_vgpu_has_huge_gtt(struct drm_i915_private *dev_priv)
41 {
42 	return dev_priv->vgpu.caps & VGT_CAPS_HUGE_GTT;
43 }
44 
45 int intel_vgt_balloon(struct drm_i915_private *dev_priv);
46 void intel_vgt_deballoon(struct drm_i915_private *dev_priv);
47 
48 #endif /* _I915_VGPU_H_ */
49