From: Juergen Gross <jgross@suse.com>
To: Wei Liu <wei.liu2@citrix.com>
Cc: George Dunlap <dunlapg@umich.edu>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
Ian Jackson <ian.jackson@eu.citrix.com>,
Chunyan Liu <cyliu@suse.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: [PATCH 3/3] libxl: add new pvusb backend "qusb" provided by qemu
Date: Fri, 25 Mar 2016 07:09:25 +0100 [thread overview]
Message-ID: <56F4D615.3040107@suse.com> (raw)
In-Reply-To: <20160324200750.GB14940@citrix.com>
On 24/03/16 21:07, Wei Liu wrote:
> On Fri, Mar 18, 2016 at 09:24:26AM +0100, Juergen Gross wrote:
>> On 17/03/16 17:55, George Dunlap wrote:
>>> On Thu, Mar 10, 2016 at 3:00 PM, Juergen Gross <jgross@suse.com> wrote:
>>>> Add a new pvusb backend type "qusb" which is provided by qemu. It can
>>>> be selected either by specifying the type directly in the configuration
>>>> or it is selected automatically by libxl in case there is no "usbback"
>>>> driver loaded.
>>>>
>>>> Signed-off-by: Juergen Gross <jgross@suse.com>
>>>
>>> Oh, last thing -- shouldn't we have a way for libxl to tell whether
>>> qemu can provide a qusb backend before we offer to start it up?
>>
>> How? Is this possible for qdisk? Or for an emulated frame buffer?
>>
>
> I don't think it is possible at the moment. But I think you might be
> able to do it either via qmp command or parsing qemu help string. The
> latter functionality is implemented in Ian's device model deprivilege
> patch series IIRC -- but it is not yet merged either.
Won't help for qusb, as there is no qemu parameter or help text related
to the backend. It would be possible to add a qmp command to print the
supported backend types, of course.
Juergen
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2016-03-25 6:09 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-10 15:00 [PATCH 0/3] libxl: add support for qemu base pvusb backend Juergen Gross
2016-03-10 15:00 ` [PATCH 1/3] libxl: make libxl__need_xenpv_qemu() operate on domain config Juergen Gross
2016-03-17 16:53 ` George Dunlap
2016-03-18 8:23 ` Juergen Gross
2016-03-10 15:00 ` [PATCH 2/3] libxl: add domain config parameter to force start of qemu Juergen Gross
2016-03-17 16:06 ` George Dunlap
2016-03-18 8:11 ` Juergen Gross
2016-03-21 14:28 ` George Dunlap
2016-03-21 14:44 ` Juergen Gross
2016-03-10 15:00 ` [PATCH 3/3] libxl: add new pvusb backend "qusb" provided by qemu Juergen Gross
2016-03-17 16:39 ` George Dunlap
2016-03-18 8:22 ` Juergen Gross
2016-03-17 16:55 ` George Dunlap
2016-03-18 8:24 ` Juergen Gross
2016-03-24 20:07 ` Wei Liu
2016-03-25 6:09 ` Juergen Gross [this message]
2016-03-29 9:45 ` George Dunlap
2016-03-29 10:35 ` Juergen Gross
2016-03-30 4:43 ` Juergen Gross
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=56F4D615.3040107@suse.com \
--to=jgross@suse.com \
--cc=cyliu@suse.com \
--cc=dunlapg@umich.edu \
--cc=ian.jackson@eu.citrix.com \
--cc=stefano.stabellini@eu.citrix.com \
--cc=wei.liu2@citrix.com \
--cc=xen-devel@lists.xen.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).