drivers/gpu/drm/i915/gvt/gvt.h

   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 _GVT_H_
  25 #define _GVT_H_
  26
  27 #include "debug.h"
  28 #include "hypercall.h"
  29
  30 #define GVT_MAX_VGPU 8
  31
  32 enum {
  33         INTEL_GVT_HYPERVISOR_XEN = 0,
  34         INTEL_GVT_HYPERVISOR_KVM,
  35 };
  36
  37 struct intel_gvt_host {
  38         bool initialized;
  39         int hypervisor_type;
  40         struct intel_gvt_mpt *mpt;
  41 };
  42
  43 extern struct intel_gvt_host intel_gvt_host;
  44
  45 /* Describe per-platform limitations. */
  46 struct intel_gvt_device_info {
  47         u32 max_support_vgpus;
  48         /* This data structure will grow bigger in GVT device model patches */
  49 };
  50
  51 struct intel_vgpu {
  52         struct intel_gvt *gvt;
  53         int id;
  54         unsigned long handle; /* vGPU handle used by hypervisor MPT modules */
  55 };
  56
  57 struct intel_gvt {
  58         struct mutex lock;
  59         bool initialized;
  60
  61         struct drm_i915_private *dev_priv;
  62         struct idr vgpu_idr;    /* vGPU IDR pool */
  63
  64         struct intel_gvt_device_info device_info;
  65 };
  66
  67 #include "mpt.h"
  68
  69 #endif