diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 44b09b366782..1a7b6834797e 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -269,6 +269,7 @@ struct kvm_s390_sie_block {
 	__u8	reserved1c0[8];		/* 0x01c0 */
 #define ECD_HOSTREGMGMT	0x20000000
 #define ECD_MEF		0x08000000
+#define ECD_ETOKENF	0x02000000
 	__u32	ecd;			/* 0x01c8 */
 	__u8	reserved1cc[18];	/* 0x01cc */
 	__u64	pp;			/* 0x01de */
diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h
index 4cdaa55fabfe..9a50f02b9894 100644
--- a/arch/s390/include/uapi/asm/kvm.h
+++ b/arch/s390/include/uapi/asm/kvm.h
@@ -4,7 +4,7 @@
 /*
  * KVM s390 specific structures and definitions
  *
- * Copyright IBM Corp. 2008
+ * Copyright IBM Corp. 2008, 2018
  *
  *    Author(s): Carsten Otte <cotte@de.ibm.com>
  *               Christian Borntraeger <borntraeger@de.ibm.com>
@@ -225,6 +225,7 @@ struct kvm_guest_debug_arch {
 #define KVM_SYNC_FPRS   (1UL << 8)
 #define KVM_SYNC_GSCB   (1UL << 9)
 #define KVM_SYNC_BPBC   (1UL << 10)
+#define KVM_SYNC_ETOKEN (1UL << 11)
 /* length and alignment of the sdnx as a power of two */
 #define SDNXC 8
 #define SDNXL (1UL << SDNXC)
@@ -258,6 +259,8 @@ struct kvm_sync_regs {
 		struct {
 			__u64 reserved1[2];
 			__u64 gscb[4];
+			__u64 etoken;
+			__u64 etoken_extension;
 		};
 	};
 };
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index b350ec14d882..0cc8a48fc732 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -2355,6 +2355,8 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
 		vcpu->run->kvm_valid_regs |= KVM_SYNC_BPBC;
 	if (test_kvm_facility(vcpu->kvm, 133))
 		vcpu->run->kvm_valid_regs |= KVM_SYNC_GSCB;
+	if (test_kvm_facility(vcpu->kvm, 156))
+		vcpu->run->kvm_valid_regs |= KVM_SYNC_ETOKEN;
 	/* fprs can be synchronized via vrs, even if the guest has no vx. With
 	 * MACHINE_HAS_VX, (load|store)_fpu_regs() will work with vrs format.
 	 */
@@ -2604,7 +2606,8 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
 	}
 	if (test_kvm_facility(vcpu->kvm, 139))
 		vcpu->arch.sie_block->ecd |= ECD_MEF;
-
+	if (test_kvm_facility(vcpu->kvm, 156))
+		vcpu->arch.sie_block->ecd |= ECD_ETOKENF;
 	if (vcpu->arch.sie_block->gd) {
 		vcpu->arch.sie_block->eca |= ECA_AIV;
 		VCPU_EVENT(vcpu, 3, "AIV gisa format-%u enabled for cpu %03u",
@@ -3522,6 +3525,7 @@ static void sync_regs(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 		}
 		preempt_enable();
 	}
+	/* SIE will load etoken directly from SDNX and therefore kvm_run */
 
 	kvm_run->kvm_dirty_regs = 0;
 }
@@ -3561,7 +3565,7 @@ static void store_regs(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 			__ctl_clear_bit(2, 4);
 		vcpu->arch.host_gscb = NULL;
 	}
-
+	/* SIE will save etoken directly into SDNX and therefore kvm_run */
 }
 
 int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index 5539df037f91..63844b95c22c 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -2,7 +2,7 @@
 /*
  * kvm nested virtualization support for s390x
  *
- * Copyright IBM Corp. 2016
+ * Copyright IBM Corp. 2016, 2018
  *
  *    Author(s): David Hildenbrand <dahi@linux.vnet.ibm.com>
  */
@@ -378,6 +378,10 @@ static int shadow_scb(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
 	if (test_kvm_facility(vcpu->kvm, 139))
 		scb_s->ecd |= scb_o->ecd & ECD_MEF;
 
+	/* etoken */
+	if (test_kvm_facility(vcpu->kvm, 156))
+		scb_s->ecd |= scb_o->ecd & ECD_ETOKENF;
+
 	prepare_ibc(vcpu, vsie_page);
 	rc = shadow_crycb(vcpu, vsie_page);
 out:
@@ -627,7 +631,8 @@ static int pin_blocks(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
 		vsie_page->riccbd_gpa = gpa;
 		scb_s->riccbd = hpa;
 	}
-	if ((scb_s->ecb & ECB_GS) && !(scb_s->ecd & ECD_HOSTREGMGMT)) {
+	if (((scb_s->ecb & ECB_GS) && !(scb_s->ecd & ECD_HOSTREGMGMT)) ||
+	    (scb_s->ecd & ECD_ETOKENF)) {
 		unsigned long sdnxc;
 
 		gpa = READ_ONCE(scb_o->sdnxo) & ~0xfUL;
diff --git a/arch/s390/tools/gen_facilities.c b/arch/s390/tools/gen_facilities.c
index 90a8c9e84ca6..0c85aedcf9b3 100644
--- a/arch/s390/tools/gen_facilities.c
+++ b/arch/s390/tools/gen_facilities.c
@@ -4,7 +4,7 @@
  * numbering scheme from the Princples of Operations: most significant bit
  * has bit number 0.
  *
- *    Copyright IBM Corp. 2015
+ *    Copyright IBM Corp. 2015, 2018
  *
  */
 
@@ -106,6 +106,7 @@ static struct facility_def facility_defs[] = {
 
 		.name = "FACILITIES_KVM_CPUMODEL",
 		.bits = (int[]){
+			156, /* etoken facility */
 			-1  /* END */
 		}
 	},