/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2025 Ventana Micro Systems Inc. */ #ifndef __RISCV_KVM_TLB_H_ #define __RISCV_KVM_TLB_H_ #include <linux/kvm_types.h> enum kvm_riscv_hfence_type { KVM_RISCV_HFENCE_UNKNOWN = 0, KVM_RISCV_HFENCE_GVMA_VMID_GPA, KVM_RISCV_HFENCE_GVMA_VMID_ALL, KVM_RISCV_HFENCE_VVMA_ASID_GVA, KVM_RISCV_HFENCE_VVMA_ASID_ALL, KVM_RISCV_HFENCE_VVMA_GVA, KVM_RISCV_HFENCE_VVMA_ALL }; struct kvm_riscv_hfence { enum kvm_riscv_hfence_type type; unsigned long asid; unsigned long vmid; unsigned long order; gpa_t addr; gpa_t size; }; #define KVM_RISCV_VCPU_MAX_HFENCE 64 #define KVM_RISCV_GSTAGE_TLB_MIN_ORDER 12 void kvm_riscv_local_hfence_gvma_vmid_gpa(unsigned long vmid, gpa_t gpa, gpa_t gpsz, unsigned long order); void kvm_riscv_local_hfence_gvma_vmid_all(unsigned long vmid); void kvm_riscv_local_hfence_gvma_gpa(gpa_t gpa, gpa_t gpsz, unsigned long order); void kvm_riscv_local_hfence_gvma_all(void); void kvm_riscv_local_hfence_vvma_asid_gva(unsigned long vmid, unsigned long asid, unsigned long gva, unsigned long gvsz, unsigned long order); void kvm_riscv_local_hfence_vvma_asid_all(unsigned long vmid, unsigned long asid); void kvm_riscv_local_hfence_vvma_gva(unsigned long vmid, unsigned long gva, unsigned long gvsz, unsigned long order); void kvm_riscv_local_hfence_vvma_all(unsigned long vmid); void kvm_riscv_tlb_flush_process(struct kvm_vcpu *vcpu); void kvm_riscv_fence_i_process(struct kvm_vcpu *vcpu); void kvm_riscv_hfence_vvma_all_process(struct kvm_vcpu *vcpu); void kvm_riscv_hfence_process(struct kvm_vcpu *vcpu); void kvm_riscv_fence_i(struct kvm *kvm, unsigned long hbase, unsigned long hmask); void kvm_riscv_hfence_gvma_vmid_gpa(struct kvm *kvm, unsigned long hbase, unsigned long hmask, gpa_t gpa, gpa_t gpsz, unsigned long order, unsigned long vmid); void kvm_riscv_hfence_gvma_vmid_all(struct kvm *kvm, unsigned long hbase, unsigned long hmask, unsigned long vmid); void kvm_riscv_hfence_vvma_asid_gva(struct kvm *kvm, unsigned long hbase, unsigned long hmask, unsigned long gva, unsigned long gvsz, unsigned long order, unsigned long asid, unsigned long vmid); void kvm_riscv_hfence_vvma_asid_all(struct kvm *kvm, unsigned long hbase, unsigned long hmask, unsigned long asid, unsigned long vmid); void kvm_riscv_hfence_vvma_gva(struct kvm *kvm, unsigned long hbase, unsigned long hmask, unsigned long gva, unsigned long gvsz, unsigned long order, unsigned long vmid); void kvm_riscv_hfence_vvma_all(struct kvm *kvm, unsigned long hbase, unsigned long hmask, unsigned long vmid); #endif