include/sysemu/whpx.h

   1 /*
   2  * QEMU Windows Hypervisor Platform accelerator (WHPX) support
   3  *
   4  * Copyright Microsoft, Corp. 2017
   5  *
   6  * Authors:
   7  *
   8  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   9  * See the COPYING file in the top-level directory.
  10  *
  11  */
  12
  13 #ifndef QEMU_WHPX_H
  14 #define QEMU_WHPX_H
  15
  16 #ifdef CONFIG_WHPX
  17
  18 #include "whp-dispatch.h"
  19
  20 struct whpx_state {
  21     uint64_t mem_quota;
  22     WHV_PARTITION_HANDLE partition;
  23     bool kernel_irqchip_allowed;
  24     bool kernel_irqchip_required;
  25     bool apic_in_platform;
  26 };
  27
  28 struct whpx_lapic_state {
  29     struct {
  30         uint32_t data;
  31         uint32_t padding[3];
  32     } fields[256];
  33 };
  34
  35 extern struct whpx_state whpx_global;
  36 int whpx_enabled(void);
  37
  38 void whpx_apic_get(DeviceState *s);
  39 #define whpx_apic_in_platform() (whpx_global.apic_in_platform)
  40
  41 #else /* CONFIG_WHPX */
  42
  43 #define whpx_enabled() (0)
  44 #define whpx_apic_in_platform() (0)
  45
  46 #endif /* CONFIG_WHPX */
  47
  48 #endif /* QEMU_WHPX_H */