From: "David S. Ahern" <daahern@cisco.com>
To: Taimoor Mirza <mooni_mirza@hotmail.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Isochronous devices support in QEMU
Date: Mon, 22 Feb 2010 15:47:57 -0700 [thread overview]
Message-ID: <4B83099D.8040106@cisco.com> (raw)
In-Reply-To: <COL102-W61156E88AD36CEC980C07B97430@phx.gbl>
David Ahern
On 02/22/2010 12:32 AM, Taimoor Mirza wrote:
> Hi all,
>
> I've few questions about QEMU:
>
> 1) I read in QEMU's official documentation that in case of using host
> system devices "USB devices requiring real time streaming (i.e. USB
> Video Cameras) are not supported yet". Also there is no isochronous
> transfer based virtual USB device in QEMU. I want to know what is
> current status of Iso. support in QEMU? Can I test my Linux based USB
As of commit 8e65b7c04965c8355e4ce43211582b6b83054e3d I have been able
to pass audio devices to a VM with good success (though I use qemu-kvm,
not just qemu).
I just started looking at web cameras and not having much luck yet.
David
> host application for ARM with physical iso devices in host USB port?
>
> 2) I found a function "ohci_service_iso_td" in usb-ohci.c file in QEMU
> source code.
>
> 3) I am developing a Linux based USB device using Gadget API. Does QEMU
> provide USB function controller emulation in such a way that I can run
> plug this USB device at run time with host machine and can test it?
>
> Regards,
> Taimoor
>
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prev parent reply other threads:[~2010-02-22 22:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-22 7:32 [Qemu-devel] Isochronous devices support in QEMU Taimoor Mirza
2010-02-22 22:47 ` David S. Ahern [this message]
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