From: Eric Blake <eblake@redhat.com>
To: "Bryan D. Payne" <bdpayne@acm.org>
Cc: qemu-devel@nongnu.org, lcapitulino@redhat.com
Subject: Re: [Qemu-devel] [PATCH] qmp: extend QMP to provide read/write access to physical memory
Date: Thu, 04 Dec 2014 07:08:03 -0800 [thread overview]
Message-ID: <548078D3.90000@redhat.com> (raw)
In-Reply-To: <CAFpPvXCLOo0weudkD85TTAUr8yaC8ft5U_CO_0Wc4F92AYhSfQ@mail.gmail.com>
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On 12/03/2014 03:07 PM, Bryan D. Payne wrote:
>>
>> In addition to Fam's review, I have a question - does this code properly
>> use qemu_open() so that I can use 'add-fd' to pass in a pre-opened
>> socket fd into fdset 1, then call pmemaccess with '/dev/fdset/1'? If
>> not, can you please fix it to allow this usage?
>>
>
> I'm not familiar with this setup. Could you point me to an example of
> where this is done properly somewhere else in the Qemu code base? Once I
> figure this out, I'll be able to post the v3 patch.
Off the top of my head, I know the -tpm command line options (related to
the 'query-tpm' QMP command) do this; look at hw/tpm/tpm_passthrough.c
for that implementation.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2014-12-04 15:09 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-26 8:41 [Qemu-devel] [PATCH 0/1] qmp: extend QMP to provide read/write access to physical memory Bryan D. Payne
2014-11-26 8:41 ` [Qemu-devel] [PATCH 1/1] " Bryan D. Payne
2014-11-26 15:16 ` Eric Blake
2014-11-26 20:27 ` [Qemu-devel] [PATCH v2] " Bryan D. Payne
2014-11-26 20:27 ` [Qemu-devel] [PATCH] " Bryan D. Payne
2014-11-27 2:04 ` Fam Zheng
2014-12-04 3:37 ` Bryan D. Payne
2014-12-04 4:57 ` Fam Zheng
2014-12-04 6:28 ` Bryan D. Payne
2014-12-04 7:38 ` Fam Zheng
2014-12-04 16:43 ` Bryan D. Payne
2014-12-05 1:20 ` Fam Zheng
2014-12-04 9:08 ` Markus Armbruster
2014-12-04 16:49 ` Bryan D. Payne
2014-12-05 8:44 ` Markus Armbruster
2014-12-05 21:25 ` Bryan D. Payne
2014-12-08 15:06 ` Markus Armbruster
2014-12-09 15:12 ` Bryan D. Payne
2014-12-11 3:33 ` Bryan D. Payne
2014-12-11 5:45 ` Fam Zheng
2014-12-11 6:07 ` Bryan D. Payne
2014-12-12 2:28 ` Bryan D. Payne
2014-12-12 3:29 ` Fam Zheng
2014-12-01 22:10 ` Eric Blake
2014-12-03 23:07 ` Bryan D. Payne
2014-12-04 15:08 ` Eric Blake [this message]
2014-12-04 16:50 ` Bryan D. Payne
2014-12-04 18:40 ` Bryan D. Payne
2014-12-04 22:43 ` Eric Blake
2014-12-01 22:12 ` [Qemu-devel] [PATCH v2] " Eric Blake
2014-12-02 4:36 ` Bryan D. Payne
2014-12-02 5:26 ` Fam Zheng
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