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Re: [PATCH v2 00/13] mpt3sas driver NVMe support:

From Keith Busch <keith.busch@intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 00/13] mpt3sas driver NVMe support:
Date 2017-08-08 06:00 +0200
Message-ID <uc3Qu-2ba-23@gated-at.bofh.it> (permalink)
References (3 earlier) <ub8yR-6hm-7@gated-at.bofh.it> <ubQJA-xP-25@gated-at.bofh.it> <ubR2Z-W5-65@gated-at.bofh.it> <ubRmi-148-13@gated-at.bofh.it> <ubSs3-22w-43@gated-at.bofh.it>
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On Mon, Aug 07, 2017 at 08:45:25AM -0700, James Bottomley wrote:
> On Mon, 2017-08-07 at 20:01 +0530, Kashyap Desai wrote:
> > 
> > We have to attempt this use case and see how it behaves. I have not
> > tried this, so not sure if things are really bad or just some tuning
> > may be helpful. I will revert back to you on this.
> > 
> > I understood request as -  We need some udev rules to be working well
> > for *same* NVME drives if it is behind <mpt3sas> or native <nvme>.
> > Example - If user has OS installed on NVME drive which is behind
> > <mpt3sas> driver as SCSI disk should be able to boot if he/she hooked
> > same NVME drive which is detected by native <nvme> driver (and vice
> > versa.)
> 
> It's not just the udev rules, it's the tools as well; possibly things
> like that nvme-cli toolkit Intel is doing.

It looks like they can make existing nvme tooling work with little
effort if they have the driver implement NVME_IOCTL_ADMIN_COMMAND, and
then have their driver build the MPI NVMe Encapsulated Request from that.

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Re: [PATCH v2 00/13] mpt3sas driver NVMe support: Hannes Reinecke <hare@suse.de> - 2017-08-02 10:20 +0200
  Re: [PATCH v2 00/13] mpt3sas driver NVMe support: Hannes Reinecke <hare@suse.de> - 2017-08-03 08:50 +0200
  Re: [PATCH v2 00/13] mpt3sas driver NVMe support: Christoph Hellwig <hch@infradead.org> - 2017-08-05 16:00 +0200
    Re: [PATCH v2 00/13] mpt3sas driver NVMe support: James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-08-05 16:50 +0200
      RE: [PATCH v2 00/13] mpt3sas driver NVMe support: Kashyap Desai <kashyap.desai@broadcom.com> - 2017-08-07 16:00 +0200
        Re: [PATCH v2 00/13] mpt3sas driver NVMe support: James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-08-07 16:20 +0200
          RE: [PATCH v2 00/13] mpt3sas driver NVMe support: Kashyap Desai <kashyap.desai@broadcom.com> - 2017-08-07 16:40 +0200
            Re: [PATCH v2 00/13] mpt3sas driver NVMe support: James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-08-07 17:50 +0200
              Re: [PATCH v2 00/13] mpt3sas driver NVMe support: Keith Busch <keith.busch@intel.com> - 2017-08-08 06:00 +0200
                Re: [PATCH v2 00/13] mpt3sas driver NVMe support: Sreekanth Reddy <sreekanth.reddy@broadcom.com> - 2017-08-08 09:10 +0200
                Re: [PATCH v2 00/13] mpt3sas driver NVMe support: Keith Busch <keith.busch@intel.com> - 2017-08-08 09:30 +0200

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