Re: [Qemu-devel] [RFC 00/10]: QMP/HMP: Introduce tray handling commands

[Osier Yang <jyang@redhat.com>]

On 2011年06月04日 03:03, Luiz Capitulino wrote:
> In a recent discussion on the mailing list regarding the introduction of
> the BLOCK_TRAY_OPEN and BLOCK_TRAY_CLOSE events[1], it was mentioned that
> we need to fix the eject command and maybe introduce new commands first.
>
> Here's a my proposal.
>
> This series introduces three new commands:
>
>   o blockdev-tray-open: opens the drive tray. Also Supports removing the inserted
>     media. The BLOCK_TRAY_OPEN event is emitted if this command succeeds.
>   o blockdev-tray-close: closes a drive tray. The BLOCK_TRAY_CLOSE event is
>     emitted.
>   o blockdev-media-insert: Inserts a media in the tray. The tray must empty
>     and already opened. No event is emitted.
>
> The existing 'eject' and 'change' commands are completely rewriten in terms
> of the new commands. Besides fixing some bad behaviors, this also makes it
> possible for the events to be automtically emitted.
>
> Ejecting a device inside the guest (or closing its tray) also causes the
> events to be emitted.
>
> Everything which applies for the virtual tray seems to work as expected for
> the host's tray. But more testing is needed.
>

Hi, Luiz

Does it still plan to introduce new commands for tray & media
management? and by the way, I'd agree with Markus more for
seperating the commands for tray and media management. It
makes thing simpler and more clear from a user's point of
view.

Regards,
Osier