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Re: [Qemu-block] [Qemu-devel] [RFC v4 08/13] ide: enumerate_slots implem
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-block] [Qemu-devel] [RFC v4 08/13] ide: enumerate_slots implementation |
Date: |
Thu, 17 Aug 2017 06:54:10 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) |
John Snow <address@hidden> writes:
> On 08/14/2017 05:57 PM, Eduardo Habkost wrote:
>> Example output when using "-machine q35":
>>
>> {
>> "available": true,
>> "count": 1,
>> "device-types": [
>> "ide-device"
>> ],
>> "hotpluggable": false,
>> "opts": [
>> { "option": "unit", "values": 0 },
>> { "option": "bus", "values": "ide.2" }
>> ],
>> "opts-complete": true
>> }
>> {
>> "available": false,
>> "count": 1,
>> "device": "/machine/unattached/device[19]",
>> "device-types": [
>> "ide-device"
>> ],
>> "hotpluggable": false,
>> "opts": [
>> { "option": "unit", "values": 1 },
>> { "option": "bus", "values": "ide.2" } ],
>> "opts-complete": true
>> }
>> {
>> "available": true,
>> "count": 10,
>> "device-types": [
>> "ide-device"
>> ],
>> "hotpluggable": false,
>> "opts": [
>> { "option": "unit", "values": [ [ 0, 1 ] ] },
>
> Hm, these unit values aren't really correct -- we do not support
> primary/secondary semantics for IDE buses on the AHCI device. I guess
> they technically exist, but you cannot use them for anything.
>
> Should I do something to "disable" or otherwise hide the unusable
> secondary unit slots for AHCI devices?
I think that would make this introspection more useful.