Am 04.12.2010 01:18, Gerd Hoffmann wrote: > Hi, > >> as you may know, there is an experimental git repository at >> >> git://git.kiszka.org/qemu.git ehci > > Looking into this right now as I'm busy with various usb issues anyway. > Current state: > http://cgit.freedesktop.org/spice/qemu/log/?h=usb.1 > >> - lacks integration with UHCI (currently, only EHCI is provided by >> that tree, breaking USB 1.1 devices) > > Sort-of fixed (see docs/usb2.txt).
Very nice. Some remarks:
- command line must look like this:
...
-drive if=none,id=usbstick,file=/path/to/image \
-device usb-storage,bus=ehci.0,drive=usbstick
ie. register driver device referencing it, and there was a typo id->if
- long-term, "-usb" should become a shorthand for "-device
usb-uhci,id=uhci -device usb-ehci,id=ehci" (at least for x86)
Unfortunately, msd is not yet magically healed:
non queue head request in async schedule
processing error - resetting ehci HC
>
>> David furthermore provided the following to-dos:
>> - lacks periodic frames support
>> - lacks isochronous traffic support
>
> --verbose please. There seems to be some code for that?
>
>> - lacks split transactions support
>
> That would need a USB 2.0 HUB emulation to be useful.
> We lack that one too ;)
>
>> - NAK/reload support is kludgy at best
>
> --verbose please.
>
Those are questions for David.
Jan
PS: Your tree lacks conversion of usb-musb.c.
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