LXR linux/include/kvm/arm

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* Copyright (C) 2019 Arm Ltd. */
   3
   4#ifndef __KVM_ARM_HYPERCALLS_H
   5#define __KVM_ARM_HYPERCALLS_H
   6
   7#include <asm/kvm_emulate.h>
   8
   9int kvm_hvc_call_handler(struct kvm_vcpu *vcpu);
  10
  11static inline u32 smccc_get_function(struct kvm_vcpu *vcpu)
  12{
  13        return vcpu_get_reg(vcpu, 0);
  14}
  15
  16static inline unsigned long smccc_get_arg1(struct kvm_vcpu *vcpu)
  17{
  18        return vcpu_get_reg(vcpu, 1);
  19}
  20
  21static inline unsigned long smccc_get_arg2(struct kvm_vcpu *vcpu)
  22{
  23        return vcpu_get_reg(vcpu, 2);
  24}
  25
  26static inline unsigned long smccc_get_arg3(struct kvm_vcpu *vcpu)
  27{
  28        return vcpu_get_reg(vcpu, 3);
  29}
  30
  31static inline void smccc_set_retval(struct kvm_vcpu *vcpu,
  32                                    unsigned long a0,
  33                                    unsigned long a1,
  34                                    unsigned long a2,
  35                                    unsigned long a3)
  36{
  37        vcpu_set_reg(vcpu, 0, a0);
  38        vcpu_set_reg(vcpu, 1, a1);
  39        vcpu_set_reg(vcpu, 2, a2);
  40        vcpu_set_reg(vcpu, 3, a3);
  41}
  42
  43#endif
  44