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-rw-r--r--include/asm-x86/kvm_host.h4
-rw-r--r--include/linux/kvm_host.h12
-rw-r--r--include/linux/kvm_types.h2
3 files changed, 16 insertions, 2 deletions
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index b9230490d77..de3eccfb767 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -248,8 +248,8 @@ struct kvm_vcpu_arch {
u64 *last_pte_updated;
struct {
- gfn_t gfn; /* presumed gfn during guest pte update */
- struct page *page; /* page corresponding to that gfn */
+ gfn_t gfn; /* presumed gfn during guest pte update */
+ pfn_t pfn; /* pfn corresponding to that gfn */
int largepage;
} update_pte;
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index a2ceb51b427..578c3638bbb 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -150,8 +150,10 @@ static inline int is_error_hpa(hpa_t hpa) { return hpa >> HPA_MSB; }
struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva);
extern struct page *bad_page;
+extern pfn_t bad_pfn;
int is_error_page(struct page *page);
+int is_error_pfn(pfn_t pfn);
int kvm_is_error_hva(unsigned long addr);
int kvm_set_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
@@ -168,6 +170,16 @@ struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn);
unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn);
void kvm_release_page_clean(struct page *page);
void kvm_release_page_dirty(struct page *page);
+void kvm_set_page_dirty(struct page *page);
+void kvm_set_page_accessed(struct page *page);
+
+pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
+void kvm_release_pfn_dirty(pfn_t);
+void kvm_release_pfn_clean(pfn_t pfn);
+void kvm_set_pfn_dirty(pfn_t pfn);
+void kvm_set_pfn_accessed(pfn_t pfn);
+void kvm_get_pfn(pfn_t pfn);
+
int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset,
int len);
int kvm_read_guest_atomic(struct kvm *kvm, gpa_t gpa, void *data,
diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h
index 1c4e46decb2..9b6f395c962 100644
--- a/include/linux/kvm_types.h
+++ b/include/linux/kvm_types.h
@@ -38,6 +38,8 @@ typedef unsigned long hva_t;
typedef u64 hpa_t;
typedef unsigned long hfn_t;
+typedef hfn_t pfn_t;
+
struct kvm_pio_request {
unsigned long count;
int cur_count;