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