56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/* Copyright (C) 2019 Arm Ltd. */
|
|
|
|
#ifndef __KVM_ARM_HYPERCALLS_H
|
|
#define __KVM_ARM_HYPERCALLS_H
|
|
|
|
#include <asm/kvm_emulate.h>
|
|
|
|
int kvm_smccc_call_handler(struct kvm_vcpu *vcpu);
|
|
|
|
static inline u32 smccc_get_function(struct kvm_vcpu *vcpu)
|
|
{
|
|
return vcpu_get_reg(vcpu, 0);
|
|
}
|
|
|
|
static inline unsigned long smccc_get_arg1(struct kvm_vcpu *vcpu)
|
|
{
|
|
return vcpu_get_reg(vcpu, 1);
|
|
}
|
|
|
|
static inline unsigned long smccc_get_arg2(struct kvm_vcpu *vcpu)
|
|
{
|
|
return vcpu_get_reg(vcpu, 2);
|
|
}
|
|
|
|
static inline unsigned long smccc_get_arg3(struct kvm_vcpu *vcpu)
|
|
{
|
|
return vcpu_get_reg(vcpu, 3);
|
|
}
|
|
|
|
static inline void smccc_set_retval(struct kvm_vcpu *vcpu,
|
|
unsigned long a0,
|
|
unsigned long a1,
|
|
unsigned long a2,
|
|
unsigned long a3)
|
|
{
|
|
vcpu_set_reg(vcpu, 0, a0);
|
|
vcpu_set_reg(vcpu, 1, a1);
|
|
vcpu_set_reg(vcpu, 2, a2);
|
|
vcpu_set_reg(vcpu, 3, a3);
|
|
}
|
|
|
|
struct kvm_one_reg;
|
|
|
|
void kvm_arm_init_hypercalls(struct kvm *kvm);
|
|
void kvm_arm_teardown_hypercalls(struct kvm *kvm);
|
|
int kvm_arm_get_fw_num_regs(struct kvm_vcpu *vcpu);
|
|
int kvm_arm_copy_fw_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices);
|
|
int kvm_arm_get_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
|
|
int kvm_arm_set_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
|
|
|
|
int kvm_vm_smccc_has_attr(struct kvm *kvm, struct kvm_device_attr *attr);
|
|
int kvm_vm_smccc_set_attr(struct kvm *kvm, struct kvm_device_attr *attr);
|
|
|
|
#endif
|