18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci#ifndef __ASM_KVM_BOOK3S_UVMEM_H__ 38c2ecf20Sopenharmony_ci#define __ASM_KVM_BOOK3S_UVMEM_H__ 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci#ifdef CONFIG_PPC_UV 68c2ecf20Sopenharmony_ciint kvmppc_uvmem_init(void); 78c2ecf20Sopenharmony_civoid kvmppc_uvmem_free(void); 88c2ecf20Sopenharmony_cibool kvmppc_uvmem_available(void); 98c2ecf20Sopenharmony_ciint kvmppc_uvmem_slot_init(struct kvm *kvm, const struct kvm_memory_slot *slot); 108c2ecf20Sopenharmony_civoid kvmppc_uvmem_slot_free(struct kvm *kvm, 118c2ecf20Sopenharmony_ci const struct kvm_memory_slot *slot); 128c2ecf20Sopenharmony_ciunsigned long kvmppc_h_svm_page_in(struct kvm *kvm, 138c2ecf20Sopenharmony_ci unsigned long gra, 148c2ecf20Sopenharmony_ci unsigned long flags, 158c2ecf20Sopenharmony_ci unsigned long page_shift); 168c2ecf20Sopenharmony_ciunsigned long kvmppc_h_svm_page_out(struct kvm *kvm, 178c2ecf20Sopenharmony_ci unsigned long gra, 188c2ecf20Sopenharmony_ci unsigned long flags, 198c2ecf20Sopenharmony_ci unsigned long page_shift); 208c2ecf20Sopenharmony_ciunsigned long kvmppc_h_svm_init_start(struct kvm *kvm); 218c2ecf20Sopenharmony_ciunsigned long kvmppc_h_svm_init_done(struct kvm *kvm); 228c2ecf20Sopenharmony_ciint kvmppc_send_page_to_uv(struct kvm *kvm, unsigned long gfn); 238c2ecf20Sopenharmony_ciunsigned long kvmppc_h_svm_init_abort(struct kvm *kvm); 248c2ecf20Sopenharmony_civoid kvmppc_uvmem_drop_pages(const struct kvm_memory_slot *free, 258c2ecf20Sopenharmony_ci struct kvm *kvm, bool skip_page_out); 268c2ecf20Sopenharmony_ciint kvmppc_uvmem_memslot_create(struct kvm *kvm, 278c2ecf20Sopenharmony_ci const struct kvm_memory_slot *new); 288c2ecf20Sopenharmony_civoid kvmppc_uvmem_memslot_delete(struct kvm *kvm, 298c2ecf20Sopenharmony_ci const struct kvm_memory_slot *old); 308c2ecf20Sopenharmony_ci#else 318c2ecf20Sopenharmony_cistatic inline int kvmppc_uvmem_init(void) 328c2ecf20Sopenharmony_ci{ 338c2ecf20Sopenharmony_ci return 0; 348c2ecf20Sopenharmony_ci} 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_cistatic inline void kvmppc_uvmem_free(void) { } 378c2ecf20Sopenharmony_ci 388c2ecf20Sopenharmony_cistatic inline bool kvmppc_uvmem_available(void) 398c2ecf20Sopenharmony_ci{ 408c2ecf20Sopenharmony_ci return false; 418c2ecf20Sopenharmony_ci} 428c2ecf20Sopenharmony_ci 438c2ecf20Sopenharmony_cistatic inline int 448c2ecf20Sopenharmony_cikvmppc_uvmem_slot_init(struct kvm *kvm, const struct kvm_memory_slot *slot) 458c2ecf20Sopenharmony_ci{ 468c2ecf20Sopenharmony_ci return 0; 478c2ecf20Sopenharmony_ci} 488c2ecf20Sopenharmony_ci 498c2ecf20Sopenharmony_cistatic inline void 508c2ecf20Sopenharmony_cikvmppc_uvmem_slot_free(struct kvm *kvm, const struct kvm_memory_slot *slot) { } 518c2ecf20Sopenharmony_ci 528c2ecf20Sopenharmony_cistatic inline unsigned long 538c2ecf20Sopenharmony_cikvmppc_h_svm_page_in(struct kvm *kvm, unsigned long gra, 548c2ecf20Sopenharmony_ci unsigned long flags, unsigned long page_shift) 558c2ecf20Sopenharmony_ci{ 568c2ecf20Sopenharmony_ci return H_UNSUPPORTED; 578c2ecf20Sopenharmony_ci} 588c2ecf20Sopenharmony_ci 598c2ecf20Sopenharmony_cistatic inline unsigned long 608c2ecf20Sopenharmony_cikvmppc_h_svm_page_out(struct kvm *kvm, unsigned long gra, 618c2ecf20Sopenharmony_ci unsigned long flags, unsigned long page_shift) 628c2ecf20Sopenharmony_ci{ 638c2ecf20Sopenharmony_ci return H_UNSUPPORTED; 648c2ecf20Sopenharmony_ci} 658c2ecf20Sopenharmony_ci 668c2ecf20Sopenharmony_cistatic inline unsigned long kvmppc_h_svm_init_start(struct kvm *kvm) 678c2ecf20Sopenharmony_ci{ 688c2ecf20Sopenharmony_ci return H_UNSUPPORTED; 698c2ecf20Sopenharmony_ci} 708c2ecf20Sopenharmony_ci 718c2ecf20Sopenharmony_cistatic inline unsigned long kvmppc_h_svm_init_done(struct kvm *kvm) 728c2ecf20Sopenharmony_ci{ 738c2ecf20Sopenharmony_ci return H_UNSUPPORTED; 748c2ecf20Sopenharmony_ci} 758c2ecf20Sopenharmony_ci 768c2ecf20Sopenharmony_cistatic inline unsigned long kvmppc_h_svm_init_abort(struct kvm *kvm) 778c2ecf20Sopenharmony_ci{ 788c2ecf20Sopenharmony_ci return H_UNSUPPORTED; 798c2ecf20Sopenharmony_ci} 808c2ecf20Sopenharmony_ci 818c2ecf20Sopenharmony_cistatic inline int kvmppc_send_page_to_uv(struct kvm *kvm, unsigned long gfn) 828c2ecf20Sopenharmony_ci{ 838c2ecf20Sopenharmony_ci return -EFAULT; 848c2ecf20Sopenharmony_ci} 858c2ecf20Sopenharmony_ci 868c2ecf20Sopenharmony_cistatic inline void 878c2ecf20Sopenharmony_cikvmppc_uvmem_drop_pages(const struct kvm_memory_slot *free, 888c2ecf20Sopenharmony_ci struct kvm *kvm, bool skip_page_out) { } 898c2ecf20Sopenharmony_ci 908c2ecf20Sopenharmony_cistatic inline int kvmppc_uvmem_memslot_create(struct kvm *kvm, 918c2ecf20Sopenharmony_ci const struct kvm_memory_slot *new) 928c2ecf20Sopenharmony_ci{ 938c2ecf20Sopenharmony_ci return H_UNSUPPORTED; 948c2ecf20Sopenharmony_ci} 958c2ecf20Sopenharmony_ci 968c2ecf20Sopenharmony_cistatic inline void kvmppc_uvmem_memslot_delete(struct kvm *kvm, 978c2ecf20Sopenharmony_ci const struct kvm_memory_slot *old) { } 988c2ecf20Sopenharmony_ci 998c2ecf20Sopenharmony_ci#endif /* CONFIG_PPC_UV */ 1008c2ecf20Sopenharmony_ci#endif /* __ASM_KVM_BOOK3S_UVMEM_H__ */ 101