3 files changed, 12 insertions, 2 deletions
diff --git a/usr/src/lib/libvmmapi/common/mapfile-vers b/usr/src/lib/libvmmapi/common/mapfile-vers
index be0a055490..e6468c36fb 100644
--- a/usr/src/lib/libvmmapi/common/mapfile-vers
+++ b/usr/src/lib/libvmmapi/common/mapfile-vers
@@ -11,7 +11,7 @@
 
 #
 # Copyright 2013 Pluribus Networks Inc.
-# Copyright 2019 Joyent, Inc.
+# Copyright 2020 Joyent, Inc.
 # Copyright 2020 Oxide Computer Company
 #
 
@@ -37,6 +37,7 @@ SYMBOL_VERSION ILLUMOSprivate {
 		vm_activate_cpu;
 		vm_active_cpus;
 		vm_apicid2vcpu;
+		vm_arc_resv;
 		vm_assign_pptdev;
 		vm_capability_name2type;
 		vm_capability_type2name;
diff --git a/usr/src/lib/libvmmapi/common/vmmapi.c b/usr/src/lib/libvmmapi/common/vmmapi.c
index fcb098a74f..0d084b9cd5 100644
--- a/usr/src/lib/libvmmapi/common/vmmapi.c
+++ b/usr/src/lib/libvmmapi/common/vmmapi.c
@@ -1909,6 +1909,14 @@ vm_set_run_state(struct vmctx *ctx, int vcpu, enum vcpu_run_state state,
 	return (0);
 }
 
+int
+vm_arc_resv(struct vmctx *ctx, size_t len)
+{
+	if (ioctl(ctx->fd, VM_ARC_RESV, (uint64_t)len) != 0) {
+		return (errno);
+	}
+	return (0);
+}
 #endif /* __FreeBSD__ */
 
 #ifdef __FreeBSD__
diff --git a/usr/src/lib/libvmmapi/common/vmmapi.h b/usr/src/lib/libvmmapi/common/vmmapi.h
index 72e43a4e3d..cad555e498 100644
--- a/usr/src/lib/libvmmapi/common/vmmapi.h
+++ b/usr/src/lib/libvmmapi/common/vmmapi.h
@@ -38,7 +38,7 @@
  * http://www.illumos.org/license/CDDL.
  *
  * Copyright 2015 Pluribus Networks Inc.
- * Copyright 2019 Joyent, Inc.
+ * Copyright 2020 Joyent, Inc.
  * Copyright 2020 Oxide Computer Company
  */
 
@@ -310,6 +310,7 @@ int vm_get_run_state(struct vmctx *ctx, int vcpu, enum vcpu_run_state *state,
     uint8_t *sipi_vector);
 int vm_set_run_state(struct vmctx *ctx, int vcpu, enum vcpu_run_state state,
     uint8_t sipi_vector);
+int	vm_arc_resv(struct vmctx *ctx, size_t);
 #endif	/* __FreeBSD__ */
 
 #ifdef	__FreeBSD__