RE: [PATCH] scsi:storvsc enable reading from VPD pages on SPC-2

From: KY Srinivasan
Date: Thu Dec 11 2014 - 14:05:54 EST




> -----Original Message-----
> From: Sitsofe Wheeler [mailto:sitsofe@xxxxxxxxx]
> Sent: Thursday, December 11, 2014 2:54 AM
> To: KY Srinivasan
> Cc: Long Li; Martin K. Petersen; Haiyang Zhang; JBottomley@xxxxxxxxxxxxx;
> linux-scsi@xxxxxxxxxxxxxxx; devel@xxxxxxxxxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH] scsi:storvsc enable reading from VPD pages on SPC-2
>
> On Wed, Dec 10, 2014 at 11:30:30PM +0000, KY Srinivasan wrote:
> >
> > > >
> > > > + {"Msft", "Virtual Disk", "1.0", BLIST_TRY_VPD_PAGES},
> > > >
> > > > Is that version field meaningful or is it safe for us to inquire
> > > > about VPD pages without problems on older versions?
> > >
> > > This version is used in all current Hyper-V hosts: Windows 2008 R2,
> > > 2012 and
> > > 2012 R2. However it may change in future Windows releases.
> >
> > The next version of the host will be claiming conformance to SPC-3
>
> Will the version number ("1.0") of Virtual Disks also be changed? Part of me
> hopes it will as it will mean certain quirks for virtual disks will be easier to
> apply and won't need host version (are you 2008, 2012,
> 2016) version logic...

Spoke to the folks on Windows side of the house. They currently don't have plans to
Change the version number ("1.0").

K. Y
>
> --
> Sitsofe | http://sucs.org/~sits/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/