162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef __ASM_KVM_BOOK3S_UVMEM_H__ 362306a36Sopenharmony_ci#define __ASM_KVM_BOOK3S_UVMEM_H__ 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#ifdef CONFIG_PPC_UV 662306a36Sopenharmony_ciint kvmppc_uvmem_init(void); 762306a36Sopenharmony_civoid kvmppc_uvmem_free(void); 862306a36Sopenharmony_cibool kvmppc_uvmem_available(void); 962306a36Sopenharmony_ciint kvmppc_uvmem_slot_init(struct kvm *kvm, const struct kvm_memory_slot *slot); 1062306a36Sopenharmony_civoid kvmppc_uvmem_slot_free(struct kvm *kvm, 1162306a36Sopenharmony_ci const struct kvm_memory_slot *slot); 1262306a36Sopenharmony_ciunsigned long kvmppc_h_svm_page_in(struct kvm *kvm, 1362306a36Sopenharmony_ci unsigned long gra, 1462306a36Sopenharmony_ci unsigned long flags, 1562306a36Sopenharmony_ci unsigned long page_shift); 1662306a36Sopenharmony_ciunsigned long kvmppc_h_svm_page_out(struct kvm *kvm, 1762306a36Sopenharmony_ci unsigned long gra, 1862306a36Sopenharmony_ci unsigned long flags, 1962306a36Sopenharmony_ci unsigned long page_shift); 2062306a36Sopenharmony_ciunsigned long kvmppc_h_svm_init_start(struct kvm *kvm); 2162306a36Sopenharmony_ciunsigned long kvmppc_h_svm_init_done(struct kvm *kvm); 2262306a36Sopenharmony_ciint kvmppc_send_page_to_uv(struct kvm *kvm, unsigned long gfn); 2362306a36Sopenharmony_ciunsigned long kvmppc_h_svm_init_abort(struct kvm *kvm); 2462306a36Sopenharmony_civoid kvmppc_uvmem_drop_pages(const struct kvm_memory_slot *free, 2562306a36Sopenharmony_ci struct kvm *kvm, bool skip_page_out); 2662306a36Sopenharmony_ciint kvmppc_uvmem_memslot_create(struct kvm *kvm, 2762306a36Sopenharmony_ci const struct kvm_memory_slot *new); 2862306a36Sopenharmony_civoid kvmppc_uvmem_memslot_delete(struct kvm *kvm, 2962306a36Sopenharmony_ci const struct kvm_memory_slot *old); 3062306a36Sopenharmony_ci#else 3162306a36Sopenharmony_cistatic inline int kvmppc_uvmem_init(void) 3262306a36Sopenharmony_ci{ 3362306a36Sopenharmony_ci return 0; 3462306a36Sopenharmony_ci} 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_cistatic inline void kvmppc_uvmem_free(void) { } 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_cistatic inline bool kvmppc_uvmem_available(void) 3962306a36Sopenharmony_ci{ 4062306a36Sopenharmony_ci return false; 4162306a36Sopenharmony_ci} 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_cistatic inline int 4462306a36Sopenharmony_cikvmppc_uvmem_slot_init(struct kvm *kvm, const struct kvm_memory_slot *slot) 4562306a36Sopenharmony_ci{ 4662306a36Sopenharmony_ci return 0; 4762306a36Sopenharmony_ci} 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_cistatic inline void 5062306a36Sopenharmony_cikvmppc_uvmem_slot_free(struct kvm *kvm, const struct kvm_memory_slot *slot) { } 5162306a36Sopenharmony_ci 5262306a36Sopenharmony_cistatic inline unsigned long 5362306a36Sopenharmony_cikvmppc_h_svm_page_in(struct kvm *kvm, unsigned long gra, 5462306a36Sopenharmony_ci unsigned long flags, unsigned long page_shift) 5562306a36Sopenharmony_ci{ 5662306a36Sopenharmony_ci return H_UNSUPPORTED; 5762306a36Sopenharmony_ci} 5862306a36Sopenharmony_ci 5962306a36Sopenharmony_cistatic inline unsigned long 6062306a36Sopenharmony_cikvmppc_h_svm_page_out(struct kvm *kvm, unsigned long gra, 6162306a36Sopenharmony_ci unsigned long flags, unsigned long page_shift) 6262306a36Sopenharmony_ci{ 6362306a36Sopenharmony_ci return H_UNSUPPORTED; 6462306a36Sopenharmony_ci} 6562306a36Sopenharmony_ci 6662306a36Sopenharmony_cistatic inline unsigned long kvmppc_h_svm_init_start(struct kvm *kvm) 6762306a36Sopenharmony_ci{ 6862306a36Sopenharmony_ci return H_UNSUPPORTED; 6962306a36Sopenharmony_ci} 7062306a36Sopenharmony_ci 7162306a36Sopenharmony_cistatic inline unsigned long kvmppc_h_svm_init_done(struct kvm *kvm) 7262306a36Sopenharmony_ci{ 7362306a36Sopenharmony_ci return H_UNSUPPORTED; 7462306a36Sopenharmony_ci} 7562306a36Sopenharmony_ci 7662306a36Sopenharmony_cistatic inline unsigned long kvmppc_h_svm_init_abort(struct kvm *kvm) 7762306a36Sopenharmony_ci{ 7862306a36Sopenharmony_ci return H_UNSUPPORTED; 7962306a36Sopenharmony_ci} 8062306a36Sopenharmony_ci 8162306a36Sopenharmony_cistatic inline int kvmppc_send_page_to_uv(struct kvm *kvm, unsigned long gfn) 8262306a36Sopenharmony_ci{ 8362306a36Sopenharmony_ci return -EFAULT; 8462306a36Sopenharmony_ci} 8562306a36Sopenharmony_ci 8662306a36Sopenharmony_cistatic inline void 8762306a36Sopenharmony_cikvmppc_uvmem_drop_pages(const struct kvm_memory_slot *free, 8862306a36Sopenharmony_ci struct kvm *kvm, bool skip_page_out) { } 8962306a36Sopenharmony_ci 9062306a36Sopenharmony_cistatic inline int kvmppc_uvmem_memslot_create(struct kvm *kvm, 9162306a36Sopenharmony_ci const struct kvm_memory_slot *new) 9262306a36Sopenharmony_ci{ 9362306a36Sopenharmony_ci return H_UNSUPPORTED; 9462306a36Sopenharmony_ci} 9562306a36Sopenharmony_ci 9662306a36Sopenharmony_cistatic inline void kvmppc_uvmem_memslot_delete(struct kvm *kvm, 9762306a36Sopenharmony_ci const struct kvm_memory_slot *old) { } 9862306a36Sopenharmony_ci 9962306a36Sopenharmony_ci#endif /* CONFIG_PPC_UV */ 10062306a36Sopenharmony_ci#endif /* __ASM_KVM_BOOK3S_UVMEM_H__ */ 101