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usb-redir: Ensure our peer has the necessary caps when redirecting to XHCI

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In order for redirection to work properly when redirecting to an emulated
XHCI controller, the usb-redir-host must support both
usb_redir_cap_ep_info_max_packet_size and usb_redir_cap_64bits_ids,
reject any devices redirected to an XHCI controller when these are not
supported.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Hans de Goede 2012-09-03 12:04:49 +02:00 committed by Gerd Hoffmann
parent 910c1e6b14
commit a508cc42e2
1 changed files with 11 additions and 0 deletions
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11
hw/usb/redirect.c
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@ -824,6 +824,17 @@ static void usbredir_do_attach(void *opaque)
{
USBRedirDevice *dev = opaque;
/* In order to work properly with XHCI controllers we need these caps */
if ((dev->dev.port->speedmask & USB_SPEED_MASK_SUPER) && !(
usbredirparser_peer_has_cap(dev->parser,
usb_redir_cap_ep_info_max_packet_size) &&
usbredirparser_peer_has_cap(dev->parser,
usb_redir_cap_64bits_ids))) {
ERROR("usb-redir-host lacks capabilities needed for use with XHCI\n");
usbredir_reject_device(dev);
return;
}
if (usb_device_attach(&dev->dev) != 0) {
usbredir_reject_device(dev);
}