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usb: Deprecate the legacy -usbdevice option 

The '-usbdevice' option is considered as deprecated nowadays and
we might want to remove these options in a future version of QEMU.
So mark this options as deprecated in the documenation and print out
a warning if it is used to tell the user what to use instead.
While we're at it, improve also some other minor USB-related spots
in qemu-options.hx that were not up to date anymore.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1495175716-12735-1-git-send-email-thuth@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Thomas Huth 2017-05-19 08:35:16 +02:00 committed by Gerd Hoffmann
parent 3ae7eb88c4
commit a358a3af45
2 changed files with 7 additions and 4 deletions
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9
qemu-options.hx
View File

@ -980,12 +980,12 @@ STEXI
ETEXI
DEF("usb", 0, QEMU_OPTION_usb,
"-usb enable the USB driver (will be the default soon)\n",
"-usb enable the USB driver (if it is not used by default yet)\n",
QEMU_ARCH_ALL)
STEXI
@item -usb
@findex -usb
Enable the USB driver (will be the default soon)
Enable the USB driver (if it is not used by default yet).
ETEXI
DEF("usbdevice", HAS_ARG, QEMU_OPTION_usbdevice,
@ -995,7 +995,8 @@ STEXI
@item -usbdevice @var{devname}
@findex -usbdevice
Add the USB device @var{devname}. @xref{usb_devices}.
Add the USB device @var{devname}. Note that this option is deprecated,
please use @code{-device usb-...} instead. @xref{usb_devices}.
@table @option
@ -1373,7 +1374,7 @@ output such as guest graphics, guest console, and the QEMU monitor in a
window. With this option, you can have QEMU listen on VNC display
@var{display} and redirect the VGA display over the VNC session. It is
very useful to enable the usb tablet device when using this option
(option @option{-usbdevice tablet}). When using the VNC display, you
(option @option{-device usb-tablet}). When using the VNC display, you
must use the @option{-k} parameter to set the keyboard layout if you are
not using en-us. Valid syntax for the @var{display} is

2
vl.c
View File

@ -3759,6 +3759,8 @@ int main(int argc, char **argv, char **envp)
qemu_opts_parse_noisily(olist, "usb=on", false);
break;
case QEMU_OPTION_usbdevice:
error_report("'-usbdevice' is deprecated, please use "
"'-device usb-...' instead");
olist = qemu_find_opts("machine");
qemu_opts_parse_noisily(olist, "usb=on", false);
add_device_config(DEV_USB, optarg);