[mirror_ubuntu-jammy-kernel.git] / include / kvm / arm_hypercalls.h

/* 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);
}

#endif
Commit	Line	Data
55009c6e CD	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
	9	int kvm_hvc_call_handler(struct kvm_vcpu *vcpu);
	10
	11	static inline u32 smccc_get_function(struct kvm_vcpu *vcpu)
	12	{
	13	return vcpu_get_reg(vcpu, 0);
	14	}
	15
	16	static inline unsigned long smccc_get_arg1(struct kvm_vcpu *vcpu)
	17	{
	18	return vcpu_get_reg(vcpu, 1);
	19	}
	20
	21	static inline unsigned long smccc_get_arg2(struct kvm_vcpu *vcpu)
	22	{
	23	return vcpu_get_reg(vcpu, 2);
	24	}
	25
	26	static inline unsigned long smccc_get_arg3(struct kvm_vcpu *vcpu)
	27	{
	28	return vcpu_get_reg(vcpu, 3);
	29	}
	30
	31	static 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