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Diffstat (limited to 'drivers/kvm/kvm.h')
-rw-r--r--drivers/kvm/kvm.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index d19985a5508a..fceeb840a255 100644
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -51,6 +51,7 @@
#define UNMAPPED_GVA (~(gpa_t)0)
#define KVM_MAX_VCPUS 1
+#define KVM_ALIAS_SLOTS 4
#define KVM_MEMORY_SLOTS 4
#define KVM_NUM_MMU_PAGES 256
#define KVM_MIN_FREE_MMU_PAGES 5
@@ -312,6 +313,12 @@ struct kvm_vcpu {
struct kvm_cpuid_entry cpuid_entries[KVM_MAX_CPUID_ENTRIES];
};
+struct kvm_mem_alias {
+ gfn_t base_gfn;
+ unsigned long npages;
+ gfn_t target_gfn;
+};
+
struct kvm_memory_slot {
gfn_t base_gfn;
unsigned long npages;
@@ -322,6 +329,8 @@ struct kvm_memory_slot {
struct kvm {
spinlock_t lock; /* protects everything except vcpus */
+ int naliases;
+ struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS];
int nmemslots;
struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS];
/*