[pve-devel] [PATCH] usb-tablet : always use uhci controller

Dietmar Maurer dietmar at proxmox.com
Fri Feb 22 10:59:02 CET 2013



> -----Original Message-----
> From: pve-devel-bounces at pve.proxmox.com [mailto:pve-devel-
> bounces at pve.proxmox.com] On Behalf Of Alexandre Derumier
> Sent: Freitag, 22. Februar 2013 10:41
> To: pve-devel at pve.proxmox.com
> Subject: [pve-devel] [PATCH] usb-tablet : always use uhci controller
> 
> usb-tablet on ehci is buggy
> 
> also convert uhci controller -usb syntax to -device syntax, to allow hotplug of
> usb-tablet
> 
> Signed-off-by: Alexandre Derumier <aderumier at odiso.com>
> ---
>  PVE/QemuServer.pm |   15 ++++++---------
>  1 file changed, 6 insertions(+), 9 deletions(-)
> 
> diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm index 14735d2..451efda
> 100644
> --- a/PVE/QemuServer.pm
> +++ b/PVE/QemuServer.pm
> @@ -2192,6 +2192,9 @@ sub config_to_command {
> 
>      push @$cmd, '-daemonize';
> 
> +    $pciaddr = print_pci_addr("piix3", $bridges);
> +    push @$devices, '-device', "piix3-usb-uhci,id=uhci$pciaddr.0x2";
> +
>      my $use_usb2 = 0;
>      for (my $i = 0; $i < $MAX_USB_DEVICES; $i++)  {
>  	next if !$conf->{"usb$i"};
> @@ -2202,13 +2205,7 @@ sub config_to_command {
> 
>      # enable absolute mouse coordinates (needed by vnc)
>      my $tablet = defined($conf->{tablet}) ? $conf->{tablet} : $defaults->{tablet};
> -    if ($tablet) {
> -	if ($use_usb2) {
> -	    push @$devices, '-device', 'usb-tablet,bus=ehci.0,port=6';
> -	} else {
> -	    push @$devices, '-usbdevice', 'tablet';
> -	}
> -    }
> +    push @$devices, '-device', 'usb-tablet,id=tablet,bus=uhci.0,port=2'
> + if $tablet;
> 
>      # host pci devices
>      for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++)  { @@ -2526,7 +2523,7
> @@ sub vm_deviceplug {
>      return 1 if !check_running($vmid);
> 
>      if ($deviceid eq 'tablet') {
> -	my $devicefull = "usb-tablet,id=tablet,bus=ehci.0,port=6";
> +	my $devicefull = "usb-tablet,id=tablet,bus=uhci.0,port=2";
>  	qemu_deviceadd($vmid, $devicefull);
>  	return 1;
>      }
> @@ -3356,7 +3353,7 @@ sub print_pci_addr {
> 
>      my $res = '';
>      my $devices = {
> -	#addr1 : ide,parallel,serial (motherboard)
> +	piix3 => { bus => 0, addr => 1 },
>  	#addr2 : first videocard
>  	balloon0 => { bus => 0, addr => 3 },
>  	watchdog => { bus => 0, addr => 4 },
> --
> 1.7.10.4
> 
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