| /* 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_hvc_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); |
| 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); |
| |
| #endif |
