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From: willy@linux.intel.com (Matthew Wilcox)
Subject: [PATCH] NVMe: Update SCSI Inquiry VPD 83 translation
Date: Tue, 2 Dec 2014 16:32:44 -0500	[thread overview]
Message-ID: <20141202213244.GX11522@wil.cx> (raw)
In-Reply-To: <CANvN+emyvT5MEsyOmY2XG=4j4Yq+Hp93oEtyXbooGp9qJWNfTw@mail.gmail.com>

On Tue, Dec 02, 2014@11:57:50PM +0300, Andrey Kuzmin wrote:
> On Dec 2, 2014 11:51 PM, "Matthew Wilcox" <willy@linux.intel.com> wrote:
> >
> > On Tue, Dec 02, 2014@12:56:16PM -0700, Keith Busch wrote:
> > > +     if (readl(&dev->bar->vs) >= 0x10100) {
> >
> > I think we want an NVME_VERSION() macro that maybe looks something like
> this:
> >
> > #define NVME_VERSION(major, minor) (((major) << 16) | ((minor) << 8))
> >
> > Then you can make this:
> >
> >         if (readl(&dev->bar->vs) >= NVME_VERSION(1, 1))
> 
> Adding #define for NVME_VERSION_MAJOR/MINOR would make it easier to
> maintain than (1,1).

I don't quite understand what you're arguing for.  Could you demonstrate?

  parent reply	other threads:[~2014-12-02 21:32 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-02 19:56 [PATCH] NVMe: Update SCSI Inquiry VPD 83 translation Keith Busch
2014-12-02 20:50 ` Matthew Wilcox
2014-12-02 21:13   ` Keith Busch
2014-12-02 21:36     ` Matthew Wilcox
     [not found]   ` <CANvN+emyvT5MEsyOmY2XG=4j4Yq+Hp93oEtyXbooGp9qJWNfTw@mail.gmail.com>
2014-12-02 21:32     ` Matthew Wilcox [this message]
2014-12-03 11:41   ` Zakaria Abushima (zabushima)
2014-12-03 17:36     ` James R. Bergsten

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