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[Qemu-devel] [PATCH 5/9] qapi: add unplug primary event


From: Jens Freimann
Subject: [Qemu-devel] [PATCH 5/9] qapi: add unplug primary event
Date: Fri, 2 Aug 2019 17:06:01 +0200

Add new qmp event to send the device id of a device that was
requested to be unplugged by the guest OS.
 
Signed-off-by: Jens Freimann <address@hidden>
---
 qapi/migration.json | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/qapi/migration.json b/qapi/migration.json
index 9cfbaf8c6c..d567ac9fc3 100644
--- a/qapi/migration.json
+++ b/qapi/migration.json
@@ -1445,3 +1445,22 @@
 # Since: 3.0
 ##
 { 'command': 'migrate-pause', 'allow-oob': true }
+
+##
+# @UNPLUG_PRIMARY:
+#
+# Emitted from source side of a migration when migration state is
+# WAIT_UNPLUG. Device was unplugged by guest operating system.
+# Device resources in QEMU are kept on standby to be able to re-plug it in case
+# of migration failure.
+#
+# @device_id: QEMU device id of the unplugged device
+#
+# Since: 4.2
+#
+# Example:
+#   {"event": "UNPLUG_PRIMARY", "data": {"device_id": "hostdev0"} }
+#
+##
+{ 'event': 'UNPLUG_PRIMARY',
+  'data': { 'device_id': 'str' } }
-- 
2.21.0




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