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