name : kvm_book3s_uvmem.h /* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_KVM_BOOK3S_UVMEM_H__ #define __ASM_KVM_BOOK3S_UVMEM_H__ #ifdef CONFIG_PPC_UV int kvmppc_uvmem_init(void); void kvmppc_uvmem_free(void); bool kvmppc_uvmem_available(void); int kvmppc_uvmem_slot_init(struct kvm *kvm, const struct kvm_memory_slot *slot); void kvmppc_uvmem_slot_free(struct kvm *kvm, const struct kvm_memory_slot *slot); unsigned long kvmppc_h_svm_page_in(struct kvm *kvm, unsigned long gra, unsigned long flags, unsigned long page_shift); unsigned long kvmppc_h_svm_page_out(struct kvm *kvm, unsigned long gra, unsigned long flags, unsigned long page_shift); unsigned long kvmppc_h_svm_init_start(struct kvm *kvm); unsigned long kvmppc_h_svm_init_done(struct kvm *kvm); int kvmppc_send_page_to_uv(struct kvm *kvm, unsigned long gfn); unsigned long kvmppc_h_svm_init_abort(struct kvm *kvm); void kvmppc_uvmem_drop_pages(const struct kvm_memory_slot *free, struct kvm *kvm, bool skip_page_out); int kvmppc_uvmem_memslot_create(struct kvm *kvm, const struct kvm_memory_slot *new); void kvmppc_uvmem_memslot_delete(struct kvm *kvm, const struct kvm_memory_slot *old); #else static inline int kvmppc_uvmem_init(void) { return 0; } static inline void kvmppc_uvmem_free(void) { } static inline bool kvmppc_uvmem_available(void) { return false; } static inline int kvmppc_uvmem_slot_init(struct kvm *kvm, const struct kvm_memory_slot *slot) { return 0; } static inline void kvmppc_uvmem_slot_free(struct kvm *kvm, const struct kvm_memory_slot *slot) { } static inline unsigned long kvmppc_h_svm_page_in(struct kvm *kvm, unsigned long gra, unsigned long flags, unsigned long page_shift) { return H_UNSUPPORTED; } static inline unsigned long kvmppc_h_svm_page_out(struct kvm *kvm, unsigned long gra, unsigned long flags, unsigned long page_shift) { return H_UNSUPPORTED; } static inline unsigned long kvmppc_h_svm_init_start(struct kvm *kvm) { return H_UNSUPPORTED; } static inline unsigned long kvmppc_h_svm_init_done(struct kvm *kvm) { return H_UNSUPPORTED; } static inline unsigned long kvmppc_h_svm_init_abort(struct kvm *kvm) { return H_UNSUPPORTED; } static inline int kvmppc_send_page_to_uv(struct kvm *kvm, unsigned long gfn) { return -EFAULT; } static inline void kvmppc_uvmem_drop_pages(const struct kvm_memory_slot *free, struct kvm *kvm, bool skip_page_out) { } static inline int kvmppc_uvmem_memslot_create(struct kvm *kvm, const struct kvm_memory_slot *new) { return H_UNSUPPORTED; } static inline void kvmppc_uvmem_memslot_delete(struct kvm *kvm, const struct kvm_memory_slot *old) { } #endif /* CONFIG_PPC_UV */ #endif /* __ASM_KVM_BOOK3S_UVMEM_H__ */