Hi all,
maybe I should post this message to [usbredir and qemu devel list] ,
but I just didnt find it :)
By default, spice-gtk filters out 'usb hubs' from redir list, and only show 'non-hub non-interface' usb devs.
But sometime, we want to just simply pass a usb-hub to guest , and dont care about whatever is plugged on it.
So, I tweaked spice-gtk a bit like this:
static void spice_usb_device_manager_add_dev(SpiceUsbDeviceManager *self,
GUdevDevice *udev)
{
...
/* Skip hubs */
devclass = g_udev_device_get_sysfs_attr(udev, "bDeviceClass");
if (!devclass || !strcmp(devclass, "09"))
{
- return;
+ printf(" Yes, it's a hub, and we want it :) \n ");
...
}
Then, something interesting happened after I redired a usb-hub with a usb-disk plugged on it.
1. The hub is successfully redired into guest.
I can see it in 'Window Device Manager' , it is correctly recognized as 'usb hub' with right usb transfer speed (in my case , 480M).
2. The usb-disk is also detected by windows, and addressed under the hub.
But we are not lucky enough to see it as 'usb mass storage', but as 'unknown device'.
3. If I redir the usb-disk rather than the hub, that's OK.
my env:
qemu 1.3.1 ( kvm is enabled )
libusb 1.0.9
libusbredir 0.6
spice-gtk 0.19
spice 0.12.3
So my question is , can we directly redir usb hub to guest?
If not, what hinder us to accomplish this?
Maybe I can modify qemu/libusb/... to enable this ,
but now I need your hint and idea :)
Thanks in advance.
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