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Re: [Qemu-devel] [PATCH 3/4] usb-bot: hotplug support


From: Markus Armbruster
Subject: Re: [Qemu-devel] [PATCH 3/4] usb-bot: hotplug support
Date: Tue, 02 Feb 2016 14:36:45 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)

Gerd Hoffmann <address@hidden> writes:

> This patch marks usb-bot as hot-pluggable device, makes attached
> property settable and turns off auto-attach in case the device
> was hotplugged.
>
> Hot-plugging a usb-bot device with one or more scsi devices can be
> done this way now:
>
>   (1) device-add usb-bot,id=foo
>   (2) device-add scsi-{hd,cd},bus=foo.0,lun=0
>   (2b) optionally add more devices (luns 0 ... 15).
>   (3) qom-set foo.attached = true

This isn't exactly pretty, but it beats no hot plug.

A general solution for hot plugging composite devices could perhaps be
prettier, but I'm not aware of any recent work in the area.  Andreas,
Paolo?

> Signed-off-by: Gerd Hoffmann <address@hidden>

Assuming we want this because we can't have a general solution now:

Reviewed-by: Markus Armbruster <address@hidden>



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