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