LXR linux/arch/powerpc/include/asm/kvm

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 *
   4 * Copyright IBM Corp. 2008
   5 *
   6 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
   7 */
   8#ifndef __POWERPC_KVM_PARA_H__
   9#define __POWERPC_KVM_PARA_H__
  10
  11#include <asm/firmware.h>
  12
  13#include <uapi/asm/kvm_para.h>
  14
  15static inline int kvm_para_available(void)
  16{
  17        return IS_ENABLED(CONFIG_KVM_GUEST) && is_kvm_guest();
  18}
  19
  20static inline unsigned int kvm_arch_para_features(void)
  21{
  22        unsigned long r;
  23
  24        if (!kvm_para_available())
  25                return 0;
  26
  27        if(epapr_hypercall0_1(KVM_HCALL_TOKEN(KVM_HC_FEATURES), &r))
  28                return 0;
  29
  30        return r;
  31}
  32
  33static inline unsigned int kvm_arch_para_hints(void)
  34{
  35        return 0;
  36}
  37
  38static inline bool kvm_check_and_clear_guest_paused(void)
  39{
  40        return false;
  41}
  42
  43#endif /* __POWERPC_KVM_PARA_H__ */
  44