diff options
Diffstat (limited to 'virt/kvm/kvm_mm.h')
| -rw-r--r-- | virt/kvm/kvm_mm.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/virt/kvm/kvm_mm.h b/virt/kvm/kvm_mm.h index 51f3fee4ca3f..d5a215958f06 100644 --- a/virt/kvm/kvm_mm.h +++ b/virt/kvm/kvm_mm.h @@ -20,8 +20,24 @@ #define KVM_MMU_UNLOCK(kvm) spin_unlock(&(kvm)->mmu_lock) #endif /* KVM_HAVE_MMU_RWLOCK */ -kvm_pfn_t hva_to_pfn(unsigned long addr, bool interruptible, bool no_wait, - bool write_fault, bool *writable); + +struct kvm_follow_pfn { + const struct kvm_memory_slot *slot; + const gfn_t gfn; + + unsigned long hva; + + /* FOLL_* flags modifying lookup behavior, e.g. FOLL_WRITE. */ + unsigned int flags; + + /* + * If non-NULL, try to get a writable mapping even for a read fault. + * Set to true if a writable mapping was obtained. + */ + bool *map_writable; +}; + +kvm_pfn_t hva_to_pfn(struct kvm_follow_pfn *kfp); #ifdef CONFIG_HAVE_KVM_PFNCACHE void gfn_to_pfn_cache_invalidate_start(struct kvm *kvm, |