diff options
Diffstat (limited to 'drivers/kvm/kvm.h')
| -rw-r--r-- | drivers/kvm/kvm.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index f3dda088e34b..82c3b13e5d0a 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -41,6 +41,8 @@ #define KVM_MAX_VCPUS 4 #define KVM_ALIAS_SLOTS 4 #define KVM_MEMORY_SLOTS 8 +/* memory slots that does not exposed to userspace */ +#define KVM_PRIVATE_MEM_SLOTS 4 #define KVM_PERMILLE_MMU_PAGES 20 #define KVM_MIN_ALLOC_MMU_PAGES 64 #define KVM_NUM_MMU_PAGES 1024 @@ -361,7 +363,8 @@ struct kvm { int naliases; struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS]; int nmemslots; - struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS]; + struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS + + KVM_PRIVATE_MEM_SLOTS]; /* * Hash table of struct kvm_mmu_page. */ @@ -529,6 +532,7 @@ int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data, int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len); int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len); struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn); +int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn); void mark_page_dirty(struct kvm *kvm, gfn_t gfn); enum emulation_result { |