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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2025 Ventana Micro Systems Inc.
*/
#ifndef __RISCV_KVM_VMID_H_
#define __RISCV_KVM_VMID_H_
#include <linux/kvm_types.h>
struct kvm_vmid {
/*
* Writes to vmid_version and vmid happen with vmid_lock held
* whereas reads happen without any lock held.
*/
unsigned long vmid_version;
unsigned long vmid;
};
void __init kvm_riscv_gstage_vmid_detect(void);
unsigned long kvm_riscv_gstage_vmid_bits(void);
int kvm_riscv_gstage_vmid_init(struct kvm *kvm);
bool kvm_riscv_gstage_vmid_ver_changed(struct kvm_vmid *vmid);
void kvm_riscv_gstage_vmid_update(struct kvm_vcpu *vcpu);
void kvm_riscv_gstage_vmid_sanitize(struct kvm_vcpu *vcpu);
#endif
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