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Re: [Qemu-devel] libvirt/QEMU/SEV interaction
From: |
Laszlo Ersek |
Subject: |
Re: [Qemu-devel] libvirt/QEMU/SEV interaction |
Date: |
Fri, 8 Sep 2017 18:11:42 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 |
On 09/08/17 17:51, Daniel P. Berrange wrote:
> On Fri, Sep 08, 2017 at 10:48:10AM -0500, Brijesh Singh wrote:
>> I am looking at [1] to get the feel for how do we model it in the XML.
>> As you can see I am using ad-hoc <qemu:args> to create the sev-guest
>> object. Currently, sev-guest object accepts the following properties:
>>
>> dh-cert-file: <file containing the GO DH key>
>> session-info-file: <file contain the GO session info>
>> policy: <int32 GO policy>
>>
>> I believe the new XML model will influence the property input type,
>> Any recommendation on how do model this part ? thank you so much.
>
> That looks ok to me - even if QEMU wants the data provided in
> files on disk, libvirt can just create the files on the fly
> from the data it has in the <sev> element in the XML file.
> Since they're only needed during startup, libvirt can then
> easily delete the files the moment QEMU has completed its
> startup.
/dev/fd/N filenames could be used for poor man's fd passing, I think.
(/dev/fd is a symlink to the /proc/self/fd directory)
proc(5) has documentation on this.
Thanks,
Laszlo
- [Qemu-devel] libvirt/QEMU/SEV interaction, Brijesh Singh, 2017/09/08
- Re: [Qemu-devel] libvirt/QEMU/SEV interaction, Daniel P. Berrange, 2017/09/08
- Re: [Qemu-devel] [libvirt] libvirt/QEMU/SEV interaction, Erik Skultety, 2017/09/18
- Re: [Qemu-devel] [libvirt] libvirt/QEMU/SEV interaction, Daniel P. Berrange, 2017/09/18
- Re: [Qemu-devel] [libvirt] libvirt/QEMU/SEV interaction, Richard Relph, 2017/09/18
- Re: [Qemu-devel] [libvirt] libvirt/QEMU/SEV interaction, Erik Skultety, 2017/09/18
Re: [Qemu-devel] libvirt/QEMU/SEV interaction, Michael S. Tsirkin, 2017/09/26