@@ -235,9 +235,9 @@ ETEXI
{
.name = "screendump",
- .args_type = "filename:F",
- .params = "filename",
- .help = "save screen into PPM image 'filename'",
+ .args_type = "filename:F,device:B?",
+ .params = "filename [device]",
+ .help = "save screen from device into PPM image 'filename'",
.mhandler.cmd = hmp_screen_dump,
},
@@ -1322,9 +1322,10 @@ err_out:
void hmp_screen_dump(Monitor *mon, const QDict *qdict)
{
const char *filename = qdict_get_str(qdict, "filename");
+ const char *device = qdict_get_try_str(qdict, "device");
Error *err = NULL;
- qmp_screendump(filename, &err);
+ qmp_screendump(filename, device != NULL, device, &err);
hmp_handle_error(mon, &err);
}
@@ -3096,12 +3096,14 @@
# Write a PPM of the VGA screen to a file.
#
# @filename: the path of a new PPM file to store the image
+# @device: #optional device to take the screenshot from
#
# Returns: Nothing on success
#
# Since: 0.14.0
##
-{ 'command': 'screendump', 'data': {'filename': 'str'} }
+{ 'command': 'screendump', 'data': {'filename': 'str',
+ '*device' : 'str'} }
##
# @nbd-server-start:
@@ -145,7 +145,7 @@ EQMP
{
.name = "screendump",
- .args_type = "filename:F",
+ .args_type = "filename:F,device:B?",
.mhandler.cmd_new = qmp_marshal_input_screendump,
},
@@ -158,6 +158,7 @@ Save screen into PPM image.
Arguments:
- "filename": file path (json-string)
+- "device": video device (json-string, optional)
Example:
@@ -310,10 +310,25 @@ write_err:
goto out;
}
-void qmp_screendump(const char *filename, Error **errp)
+void qmp_screendump(const char *filename,
+ bool has_device, const char *device, Error **errp)
{
QemuConsole *con = qemu_console_lookup_by_index(0);
DisplaySurface *surface;
+ DeviceState *dev;
+
+ if (has_device) {
+ dev = qdev_find_recursive(sysbus_get_default(), device);
+ if (NULL == dev) {
+ error_set(errp, QERR_DEVICE_NOT_FOUND, device);
+ return;
+ }
+ con = qemu_console_lookup_by_device(dev);
+ if (NULL == con) {
+ error_setg(errp, "There is no QemuConsole linked to %s", device);
+ return;
+ }
+ }
if (con == NULL) {
error_setg(errp, "There is no QemuConsole I can screendump from.");
Add an optional device parameter to the screendump command. https://bugzilla.redhat.com/show_bug.cgi?id=903910 Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> --- hmp-commands.hx | 6 +++--- hmp.c | 3 ++- qapi-schema.json | 4 +++- qmp-commands.hx | 3 ++- ui/console.c | 17 ++++++++++++++++- 5 files changed, 26 insertions(+), 7 deletions(-)