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[Qemu-devel] deprecating/removing bluetooth (was: Re: List of files cont
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] deprecating/removing bluetooth (was: Re: List of files containing devices which have not been QOMified) |
Date: |
Fri, 9 Nov 2018 15:03:54 +0100 |
User-agent: |
NeoMutt/20180716 |
On Fri, Nov 09, 2018 at 02:16:53PM +0100, Paolo Bonzini wrote:
> On 09/11/2018 13:39, Thomas Huth wrote:
> > On 2018-11-09 12:29, Gerd Hoffmann wrote:
> >>
> >> Tried this after studying docs:
> >>
> >> qemu -usb -device usb-bt-dongle -bt hci,vlan=0 -bt device:keyboard
> >>
> >> Segfaults right anway on first keypress.
> >> I guess that qualifies as "broken and obviously unused".
> >
> > Thanks for checking! I guess that means we could even get rid of it
> > without deprecating it first if it is broken already for more than two
> > releases...?
>
> I think what others were using bluetooth passthrough. But it's
> certainly possible that it's broken.
That code is in bt-*.c (toplevel dir). Likewise no actual code changes
since ages. Comes in two variants, host + vhci. vhci commit says:
commit ab2b6f507ded382df734fe6a237ec56e2f421de4
Author: balrog <address@hidden>
Date: Mon Sep 29 00:31:41 2008 +0000
Use VHCI to allow the host os to participate in a qemu bluetooth "vlan".
This does the reverse of bt-host.c, proxying from guest to host.
Appears to be more reliable.
Hmm. Not much of a clue. Also ten years old.
There is also a null hci, not connecting to anything. Probably useful as
dummy when your board has bluetooth (see arm/nseries) but you don't want
hook up any bluetooth devices.
Anyone has used bluetooth passthrough and can report what the state is?
I guess the keyboard can be dropped right away no matter what.
cheers,
Gerd
- Re: [Qemu-devel] List of files containing devices which have not been QOMified, (continued)