On Tue, 2007-01-30 at 17:38 -0800, Greg KH wrote:
> On Tue, Jan 30, 2007 at 06:33:43PM -0500, Rick Scott wrote:
> > On Tue, 2007-01-30 at 05:05 -0500, Chris Frey wrote:
> > > On Mon, Jan 29, 2007 at 05:21:39PM -0800, Greg KH wrote:
> > > > Also, would it make sense to provide a userspace "pipe" to this device,
> > > > so that the userspace tools can just open a device node, instead of
> > > > messing around with usbfs?
> > 
> > I would like to see this, then we could treat the usb device the same as
> > the serial/bluetooth device, however, the main problem I've seen with
> > this so far is the authentication process. The serial/bluetooth make you
> > authenticate on the device, the usb authenticates on the host :( With
> > the kernel driver you could create a device for sync/backup, and one for
> > the GPRS access, as well as setting the power level. In the end, I would
> > like to be able to "cat </dev/blackberry/20098fa9/Address Book/Rick
> > Scott/PIN" to retrieve my pin, similarly to set new entries. In other
> > words, treat the various databases like a filesystem that you could
> > browse.
> 
> That would be cool to do.  I always like writing driver-based
> filesystems :)
> 
> > > I don't think a kernel driver for the Blackberry is needed, but even if
> > > we do decide to go that route someday, I think it is too soon at this 
> > > point.
> > > The database access protocol is mostly reverse engineered and working,
> > > but things like Java program uploads I haven't gotten to, and I'm not
> > > aware of anyone else who has reverse engineered that yet.  Even the
> > > database protocol has had new discoveries as recent as last week.  Once 
> > > the
> > > Barry library is stable, I could see designing a proper kernel driver
> > > for it if there was a need, but at the moment, it seems early to me.
> > 
> > Being a little early, I fully agree with. We haven't even decided
> > whether Barry, or XmBlackBerry is the way to go :) If RIM takes up
> > Greg's offer, that I saw on /. today, this all may become crystal clear.
> 
> Actually I've already been talking to RIM about this, and am waiting on
> some company lawyers to sign off on the NDA before they will answer my
> questions.  Hopefully that will only be a day or two, but you know how
> lawyers are at times...

I got that impression :) I had some dealing with them way back about
their mobitex oem modems. They were very helpful, but I don't think the
lawyers got involved :)

> 
> > But at the moment, even pushing the power switch stuff into the kernel
> > seems a little dangerous to me. There is a lot we do not know about the
> > myriad of devices RIM has out there ....
> 
> Hopefully I can help out here, but any guidence you might have would be
> greatly appreciated.
> 
> thanks,
> 
> greg k-h

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