linux-kernel - Re: [PATCH v3 09/16] switchtec_ntb: initialize hardware for memory windows

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Message-ID: <20170731202527.GC9303@bhelgaas-glaptop.roam.corp.google.com>
Date:   Mon, 31 Jul 2017 15:25:27 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Logan Gunthorpe <logang@...tatee.com>
Cc:     linux-ntb@...glegroups.com, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jon Mason <jdmason@...zu.us>,
        Dave Jiang <dave.jiang@...el.com>,
        Allen Hubbe <Allen.Hubbe@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kurt Schwemmer <kurt.schwemmer@...rosemi.com>,
        Stephen Bates <sbates@...thlin.com>,
        Serge Semin <fancer.lancer@...il.com>
Subject: Re: [PATCH v3 09/16] switchtec_ntb: initialize hardware for memory
 windows

On Tue, Jul 25, 2017 at 02:57:46PM -0600, Logan Gunthorpe wrote:
> Add the code to initialize the memory windows in the hardware.
> This includes setting up the requester ID table, and figuring out
> which bar corresponds to which memory window. (Seeing the switch
> can be configured with any number of bars.)

s/bar/BAR/ (twice)

> Also, seeing the device doesn't have hardware for scratchpads or
> determining the link status, we create a shared memory window that has
> these features. A magic number with a version copmonent will be used

s/copmonent/component/

> to determine if the otherside's driver is actually up.

s/otherside/other side/

> The shared memory window also informs the other side of the
> size and count of the local memory windows.