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-rw-r--r--arch/s390/include/asm/kvm_host.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 426614a882a9..a8cafed79eb4 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -45,6 +45,8 @@
#define KVM_REQ_ENABLE_IBS 8
#define KVM_REQ_DISABLE_IBS 9
#define KVM_REQ_ICPT_OPEREXC 10
+#define KVM_REQ_START_MIGRATION 11
+#define KVM_REQ_STOP_MIGRATION 12
#define SIGP_CTRL_C 0x80
#define SIGP_CTRL_SCN_MASK 0x3f
@@ -691,6 +693,12 @@ struct kvm_s390_vsie {
struct page *pages[KVM_MAX_VCPUS];
};
+struct kvm_s390_migration_state {
+ unsigned long bitmap_size; /* in bits (number of guest pages) */
+ atomic64_t dirty_pages; /* number of dirty pages */
+ unsigned long *pgste_bitmap;
+};
+
struct kvm_arch{
void *sca;
int use_esca;
@@ -718,6 +726,7 @@ struct kvm_arch{
struct kvm_s390_crypto crypto;
struct kvm_s390_vsie vsie;
u64 epoch;
+ struct kvm_s390_migration_state *migration_state;
/* subset of available cpu features enabled by user space */
DECLARE_BITMAP(cpu_feat, KVM_S390_VM_CPU_FEAT_NR_BITS);
};