Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 30 insertions, 0 deletions

diff --git a/scsi/pr-manager-stub.c b/scsi/pr-manager-stub.c
new file mode 100644
index 000000000..738b6d742
--- /dev/null
+++ b/scsi/pr-manager-stub.c
@@ -0,0 +1,30 @@
+/*
+ * Persistent reservation manager - stub for non-Linux platforms
+ *
+ * Copyright (c) 2018 Red Hat, Inc.
+ *
+ * Author: Paolo Bonzini <pbonzini@redhat.com>
+ *
+ * This code is licensed under the LGPL.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "scsi/pr-manager.h"
+#include "trace.h"
+#include "qapi/qapi-types-block.h"
+#include "qapi/qapi-commands-block.h"
+
+PRManager *pr_manager_lookup(const char *id, Error **errp)
+{
+    /* The classes do not exist at all!  */
+    error_setg(errp, "No persistent reservation manager with id '%s'", id);
+        return NULL;
+}
+
+
+PRManagerInfoList *qmp_query_pr_managers(Error **errp)
+{
+    return NULL;
+}