LXR linux/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
  32enum {
  33        INTEL_GVT_HYPERVISOR_XEN = 0,
  34        INTEL_GVT_HYPERVISOR_KVM,
  35};
  36
  37struct intel_gvt_host {
  38        bool initialized;
  39        int hypervisor_type;
  40        struct intel_gvt_mpt *mpt;
  41};
  42
  43extern struct intel_gvt_host intel_gvt_host;
  44
  45/* Describe per-platform limitations. */
  46struct intel_gvt_device_info {
  47        u32 max_support_vgpus;
  48        /* This data structure will grow bigger in GVT device model patches */
  49};
  50
  51struct intel_vgpu {
  52        struct intel_gvt *gvt;
  53        int id;
  54        unsigned long handle; /* vGPU handle used by hypervisor MPT modules */
  55};
  56
  57struct 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
  70