ui/vdagent: add clipboard support

This patch adds support for clipboard messages to the qemu vdagent implementation, which allows the guest exchange clipboard data with qemu. Clipboard support can be enabled/disabled using the new 'clipboard' parameter for the vdagent chardev. Default is off. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-id: 20210519053940.1888907-1-kraxel@redhat.com Message-Id: <20210519053940.1888907-7-kraxel@redhat.com>
qemu · May 21, 2021 · f0349f4 · f0349f4
1 parent 5608191
commit f0349f4
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Showing 4 changed files with 301 additions and 1 deletion.
diff --git a/chardev/char.c b/chardev/char.c
@@ -934,6 +934,9 @@ QemuOptsList qemu_chardev_opts = {
         },{
             .name = "mouse",
             .type = QEMU_OPT_BOOL,
+        },{
+            .name = "clipboard",
+            .type = QEMU_OPT_BOOL,
 #ifdef CONFIG_LINUX
         },{
             .name = "tight",

diff --git a/qapi/char.json b/qapi/char.json
@@ -396,12 +396,14 @@
 # Configuration info for qemu vdagent implementation.
 #
 # @mouse: enable/disable mouse, default is enabled.
+# @clipboard: enable/disable clipboard, default is disabled.
 #
 # Since: 6.1
 #
 ##
 { 'struct': 'ChardevQemuVDAgent',
-  'data': { '*mouse': 'bool' },
+  'data': { '*mouse': 'bool',
+            '*clipboard': 'bool' },
   'base': 'ChardevCommon',
   'if': 'defined(CONFIG_SPICE_PROTOCOL)' }
 

diff --git a/ui/trace-events b/ui/trace-events
@@ -132,3 +132,5 @@ vdagent_send(const char *name) "msg %s"
 vdagent_recv_chunk(uint32_t size) "size %d"
 vdagent_recv_msg(const char *name, uint32_t size) "msg %s, size %d"
 vdagent_peer_cap(const char *name) "cap %s"
+vdagent_cb_grab_selection(const char *name) "selection %s"
+vdagent_cb_grab_type(const char *name) "type %s"