[Qemu-devel] [RFC PATCH v2 18/23] COLO nic: add command line switch

[Yang Hongyang <yanghy@cn.fujitsu.com>]

add command line switch

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Cc: Anthony Liguori <aliguori@amazon.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
---
 qapi-schema.json |  8 +++++++-
 qemu-options.hx  | 10 +++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/qapi-schema.json b/qapi-schema.json
index 7dcfb90..e53a571 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -2008,6 +2008,10 @@
 #
 # @queues: #optional number of queues to be created for multiqueue capable tap
 #
+# @colo_nicname: #optional the host physical nic for QEMU (Since 2.2)
+#
+# @colo_script: #optional the script file which used by COLO (Since 2.2)
+#
 # Since 1.2
 ##
 { 'type': 'NetdevTapOptions',
@@ -2024,7 +2028,9 @@
     '*vhostfd':    'str',
     '*vhostfds':   'str',
     '*vhostforce': 'bool',
-    '*queues':     'uint32'} }
+    '*queues':     'uint32',
+    '*colo_nicname':  'str',
+    '*colo_script':   'str'} }
 
 ##
 # @NetdevSocketOptions
diff --git a/qemu-options.hx b/qemu-options.hx
index 365b56c..9f31dcc 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -1412,7 +1412,11 @@ DEF("net", HAS_ARG, QEMU_OPTION_net,
     "-net tap[,vlan=n][,name=str],ifname=name\n"
     "                connect the host TAP network interface to VLAN 'n'\n"
 #else
-    "-net tap[,vlan=n][,name=str][,fd=h][,fds=x:y:...:z][,ifname=name][,script=file][,downscript=dfile][,helper=helper][,sndbuf=nbytes][,vnet_hdr=on|off][,vhost=on|off][,vhostfd=h][,vhostfds=x:y:...:z][,vhostforce=on|off][,queues=n]\n"
+    "-net tap[,vlan=n][,name=str][,fd=h][,fds=x:y:...:z][,ifname=name][,script=file][,downscript=dfile][,helper=helper][,sndbuf=nbytes][,vnet_hdr=on|off][,vhost=on|off][,vhostfd=h][,vhostfds=x:y:...:z][,vhostforce=on|off][,queues=n]"
+#ifdef CONFIG_COLO
+    "[,colo_nicname=nicname][,colo_script=scriptfile]"
+#endif
+    "\n"
     "                connect the host TAP network interface to VLAN 'n'\n"
     "                use network scripts 'file' (default=" DEFAULT_NETWORK_SCRIPT ")\n"
     "                to configure it and 'dfile' (default=" DEFAULT_NETWORK_DOWN_SCRIPT ")\n"
@@ -1432,6 +1436,10 @@ DEF("net", HAS_ARG, QEMU_OPTION_net,
     "                use 'vhostfd=h' to connect to an already opened vhost net device\n"
     "                use 'vhostfds=x:y:...:z to connect to multiple already opened vhost net devices\n"
     "                use 'queues=n' to specify the number of queues to be created for multiqueue TAP\n"
+#ifdef CONFIG_COLO
+    "                use 'colo_nicname=nicname' to specify the host physical nic for QEMU\n"
+    "                use 'colo_script=scriptfile' to specify script file when colo is enabled\n"
+#endif
     "-net bridge[,vlan=n][,name=str][,br=bridge][,helper=helper]\n"
     "                connects a host TAP network interface to a host bridge device 'br'\n"
     "                (default=" DEFAULT_BRIDGE_INTERFACE ") using the program 'helper'\n"
-- 
1.9.1