name : kvm_vcpu_vector.h /* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2022 SiFive * * Authors: * Vincent Chen <vincent.chen@sifive.com> * Greentime Hu <greentime.hu@sifive.com> */ #ifndef __KVM_VCPU_RISCV_VECTOR_H #define __KVM_VCPU_RISCV_VECTOR_H #include <linux/types.h> #ifdef CONFIG_RISCV_ISA_V #include <asm/vector.h> #include <asm/kvm_host.h> static __always_inline void __kvm_riscv_vector_save(struct kvm_cpu_context *context) { __riscv_v_vstate_save(&context->vector, context->vector.datap); } static __always_inline void __kvm_riscv_vector_restore(struct kvm_cpu_context *context) { __riscv_v_vstate_restore(&context->vector, context->vector.datap); } void kvm_riscv_vcpu_vector_reset(struct kvm_vcpu *vcpu); void kvm_riscv_vcpu_guest_vector_save(struct kvm_cpu_context *cntx, unsigned long *isa); void kvm_riscv_vcpu_guest_vector_restore(struct kvm_cpu_context *cntx, unsigned long *isa); void kvm_riscv_vcpu_host_vector_save(struct kvm_cpu_context *cntx); void kvm_riscv_vcpu_host_vector_restore(struct kvm_cpu_context *cntx); int kvm_riscv_vcpu_alloc_vector_context(struct kvm_vcpu *vcpu, struct kvm_cpu_context *cntx); void kvm_riscv_vcpu_free_vector_context(struct kvm_vcpu *vcpu); #else struct kvm_cpu_context; static inline void kvm_riscv_vcpu_vector_reset(struct kvm_vcpu *vcpu) { } static inline void kvm_riscv_vcpu_guest_vector_save(struct kvm_cpu_context *cntx, unsigned long *isa) { } static inline void kvm_riscv_vcpu_guest_vector_restore(struct kvm_cpu_context *cntx, unsigned long *isa) { } static inline void kvm_riscv_vcpu_host_vector_save(struct kvm_cpu_context *cntx) { } static inline void kvm_riscv_vcpu_host_vector_restore(struct kvm_cpu_context *cntx) { } static inline int kvm_riscv_vcpu_alloc_vector_context(struct kvm_vcpu *vcpu, struct kvm_cpu_context *cntx) { return 0; } static inline void kvm_riscv_vcpu_free_vector_context(struct kvm_vcpu *vcpu) { } #endif int kvm_riscv_vcpu_get_reg_vector(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg); int kvm_riscv_vcpu_set_reg_vector(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg); #endif