From: Don Brace <don.brace@microsemi.com>
To: Hannes Reinecke <hare@suse.de>, Jens Axboe <axboe@kernel.dk>,
        "Christoph Hellwig" <hch@infradead.org>, Meelis Roos <mroos@linux.ee>
CC: Linux Kernel list <linux-kernel@vger.kernel.org>,
        "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
        Scott Benesh <scott.benesh@microsemi.com>,
        Scott Teel <scott.teel@microsemi.com>,
        "Kevin Barnett" <kevin.barnett@microsemi.com>,
        "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>
Subject: RE: device support in hpasa, was: Re: OOPS from cciss_ioctl in
 4.12+git
Thread-Topic: device support in hpasa, was: Re: OOPS from cciss_ioctl in
 4.12+git
Thread-Index: AQHS9zHTWIgNWCpAS0G8oWLNuQzOiKJI6zyAgAARXgD//7XFEA==
Date: Fri, 7 Jul 2017 19:15:58 +0000
Message-ID: <4993A297653ECB4581FA5C3C31323D19533CD866@avsrvexchmbx2.microsemi.net>
References: <alpine.LRH.2.20.1707051555130.20086@math.ut.ee>
 <20170705225134.GA31786@infradead.org>
 <alpine.LRH.2.20.1707061236010.6514@math.ut.ee>
 <20170707150042.GA15445@infradead.org>
 <799cf0d6-658d-4124-1ba0-3962671e3f1e@kernel.dk>
 <248a8eed-84b2-ddbf-793b-76cfdf9f6f21@suse.de>
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> -----Original Message-----
> From: Hannes Reinecke [mailto:hare@suse.de]
> Sent: Friday, July 07, 2017 11:05 AM
> To: Jens Axboe <axboe@kernel.dk>; Christoph Hellwig
> <hch@infradead.org>; Meelis Roos <mroos@linux.ee>
> Cc: Linux Kernel list <linux-kernel@vger.kernel.org>; linux-
> block@vger.kernel.org; Don Brace <don.brace@microsemi.com>; Scott
> Benesh <scott.benesh@microsemi.com>; Scott Teel
> <scott.teel@microsemi.com>; Kevin Barnett
> <kevin.barnett@microsemi.com>; linux-scsi@vger.kernel.org
> Subject: Re: device support in hpasa, was: Re: OOPS from cciss_ioctl in
> 4.12+git
> 
> EXTERNAL EMAIL
> 
> 
> On 07/07/2017 05:03 PM, Jens Axboe wrote:
> > On 07/07/2017 09:00 AM, Christoph Hellwig wrote:
> >> On Thu, Jul 06, 2017 at 12:55:04PM +0300, Meelis Roos wrote:
> >>>> Also we're trying to move people away from the cciss driver, can you
> >>>> check if the hpsa SCSI driver works for you as well?
> >>>
> >>> I have older adapter:
> >>>
> >>> Compaq Computer Corporation Smart Array 64xx [0e11:0046] (rev 01)
> >>>
> >>> That does not seem to be supported by hpsa AFAICS.
> >>
> >> Looks like.  Although hpsa has support for various SA5 controllers
> >> it seems like it decided to skip all Compaq branded controllers.
> >>
> >> As far as I can tell we could simply add support for those to
> >> hpsa.  Ccing hpsa folks to figure out if that's the case.
> >
> > Pretty sure Hannes had a patch he tested for that, he talked about
> > that back at LSFMM earlier this year. Hannes?
> >
> Oh, I do.
> hpsa is working happily on SLES for _all_ SmartArray controllers.
> You need to enable 'hpsa_allow_any=1', though.
> But I'm perfectly happy with making that the default and drop cciss
> completely.
> 
> Cheers,
> 
> Hannes
> --
> Dr. Hannes Reinecke                Teamlead Storage & Networking
> hare@suse.de                                   +49 911 74053 688
> SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
> GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
> HRB 21284 (AG Nürnberg)

The 6400 controllers are quite old and are no longer tested. 
So, it would be nice to deprecate the cciss driver, but we would not support those formerly cciss devices with hpsa.
I do not recall seeing a cciss_ioctl issue, what was the issue?

Thanks,
Don Brace
ESC - Smart Storage
Microsemi Corporation