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/qapi/error.json b/qapi/error.json
new file mode 100644
index 000000000..94a6502de
--- /dev/null
+++ b/qapi/error.json
@@ -0,0 +1,30 @@
+# -*- Mode: Python -*-
+# vim: filetype=python
+
+##
+# = QMP errors
+##
+
+##
+# @QapiErrorClass:
+#
+# QEMU error classes
+#
+# @GenericError: this is used for errors that don't require a specific error
+#                class. This should be the default case for most errors
+#
+# @CommandNotFound: the requested command has not been found
+#
+# @DeviceNotActive: a device has failed to be become active
+#
+# @DeviceNotFound: the requested device has not been found
+#
+# @KVMMissingCap: the requested operation can't be fulfilled because a
+#                 required KVM capability is missing
+#
+# Since: 1.2
+##
+{ 'enum': 'QapiErrorClass',
+  # Keep this in sync with ErrorClass in error.h
+  'data': [ 'GenericError', 'CommandNotFound',
+            'DeviceNotActive', 'DeviceNotFound', 'KVMMissingCap' ] }