From: Li Zhang <zhlcindy@linux.vnet.ibm.com>
To: Benjamin Herrenschmidt <benh@au1.ibm.com>
Cc: Hans de Goede <hdegoede@redhat.com>,
Anthony Liguori <aliguori@us.ibm.com>,
li zhang <zhlcindy@gmail.com>, Gerd Hoffmann <kraxel@redhat.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options
Date: Thu, 07 Jun 2012 17:29:37 +0800 [thread overview]
Message-ID: <4FD07481.3000605@linux.vnet.ibm.com> (raw)
In-Reply-To: <1339060648.24838.20.camel@pasglop>
On 06/07/2012 05:17 PM, Benjamin Herrenschmidt wrote:
> On Thu, 2012-06-07 at 11:05 +0200, Gerd Hoffmann wrote:
>>> We (me and Gerd Hoffmann) have investigated that, and experimented with it.
>>> It will work for simply devices, but isochronous devices break. The real
>>> solution at least for x86 vms is to get the XHCI emulation finished, as
>>> the XHCI controller has a much nicer hw interface from an emulation pov,
>>> and it can handle usb 1-3 devices.
>>
>> xhci emulation (in qemu-1.1) is good enougth to handle usb-tablet, so
>> feel free to play with it today :)
>
> I don't think we've tried it on big-endian yet :-) Li, is that something
> you team can have a look at (separately from these patches).
>
Sure, we can have a look at it. :)
> Cheers,
> Ben.
>
>
--
Best Regards
Li
IBM LTC, China System&Technology Lab, Beijing
next prev parent reply other threads:[~2012-06-07 9:30 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-05 9:48 [Qemu-devel] [qemu-devel][RFC] Enable usb with default options li zhang
2012-06-06 2:52 ` li zhang
2012-06-06 3:31 ` Benjamin Herrenschmidt
2012-06-06 5:42 ` Anthony Liguori
2012-06-06 6:03 ` li zhang
2012-06-06 21:13 ` Benjamin Herrenschmidt
2012-06-07 1:15 ` Anthony Liguori
2012-06-07 3:00 ` Benjamin Herrenschmidt
2012-06-07 3:03 ` Anthony Liguori
2012-06-07 4:52 ` li zhang
2012-06-07 4:39 ` li zhang
2012-06-07 4:43 ` Anthony Liguori
2012-06-07 4:53 ` li zhang
2012-06-07 8:07 ` Markus Armbruster
2012-06-07 9:19 ` Anthony Liguori
2012-06-07 10:05 ` Markus Armbruster
2012-06-07 11:51 ` Anthony Liguori
2012-06-12 8:06 ` Markus Armbruster
2012-06-07 8:32 ` Hans de Goede
2012-06-07 8:40 ` Benjamin Herrenschmidt
2012-06-07 8:49 ` Paolo Bonzini
2012-06-07 8:52 ` Hans de Goede
2012-06-07 9:05 ` Gerd Hoffmann
2012-06-07 9:17 ` Benjamin Herrenschmidt
2012-06-07 9:29 ` Li Zhang [this message]
2012-06-07 9:16 ` Benjamin Herrenschmidt
2012-06-07 9:50 ` Hans de Goede
2012-06-07 11:19 ` Benjamin Herrenschmidt
2012-06-07 11:35 ` Gerd Hoffmann
2012-06-07 8:54 ` Gerd Hoffmann
2012-06-06 22:14 ` Andreas Färber
-- strict thread matches above, loose matches on Subject: below --
2012-06-05 7:19 Li Zhang
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