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Date: Thu, 02 Aug 2012 15:46:48 +0200
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH 13/34] hmp: hmp_change(): don't rely on
	QERR_DEVICE_ENCRYPTED
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To: Markus Armbruster <armbru@redhat.com>
Cc: kwolf@redhat.com, aliguori@us.ibm.com, mdroth@linux.vnet.ibm.com, qemu-devel@nongnu.org, Luiz Capitulino <lcapitulino@redhat.com>, eblake@redhat.com

Il 02/08/2012 15:27, Markus Armbruster ha scritto:
>> > +        bdev_list = qmp_query_block(NULL);
>> > +        for (bdev = bdev_list; bdev; bdev = bdev->next) {
>> > +            if (!strcmp(bdev->value->device, device) &&
>> > +                blockinfo_is_encrypted(bdev->value) &&
>> > +                !blockinfo_key_is_set(bdev->value)) {
>> > +                hmp_change_ask_user_key(mon, bdev->value);
>> > +                break;
>> > +            }
>> > +        }

Is this anything that an external application can reproduce?

Perhaps we need to keep QERR_DEVICE_ENCRYPTED even if libvirt does not
use it, or at least provide an alternative mechanism (e.g. an event) to
realize its effect.

Paolo