linux-kernel - RE: [EXTERNAL] Re: [PATCH v6 1/1] misc: mrvl-cn10k-dpi: add Octeon CN10K DPI administrative driver

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Date: Sat, 27 Apr 2024 11:59:00 +0000
From: Vamsi Krishna Attunuru <vattunuru@...vell.com>
To: Greg KH <gregkh@...uxfoundation.org>
CC: "arnd@...db.de" <arnd@...db.de>, Jerin Jacob <jerinj@...vell.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [EXTERNAL] Re: [PATCH v6 1/1] misc: mrvl-cn10k-dpi: add Octeon
 CN10K DPI administrative driver



> -----Original Message-----
> From: Greg KH <gregkh@...uxfoundation.org>
> Sent: Saturday, April 27, 2024 4:37 PM
> To: Vamsi Krishna Attunuru <vattunuru@...vell.com>
> Cc: arnd@...db.de; Jerin Jacob <jerinj@...vell.com>; linux-
> kernel@...r.kernel.org
> Subject: [EXTERNAL] Re: [PATCH v6 1/1] misc: mrvl-cn10k-dpi: add Octeon
> CN10K DPI administrative driver
> 
> Prioritize security for external emails: Confirm sender and content safety
> before clicking links or opening attachments
> 
> ----------------------------------------------------------------------
> On Fri, Apr 26, 2024 at 11:20:11AM -0700, Vamsi Attunuru wrote:
> > Adds a misc driver for Marvell CN10K DPI(DMA Engine) device's physical
> > function which initializes DPI DMA hardware's global configuration and
> > enables hardware mailbox channels between physical function (PF) and
> > it's virtual functions (VF). VF device drivers (User space drivers)
> > use this hw mailbox to communicate any required device configuration
> > on it's respective VF device. Accordingly, this DPI PF driver
> > provisions the VF device resources.
> >
> > At the hardware level, the DPI physical function (PF) acts as a
> > management interface to setup the VF device resources, VF devices are
> > only provisioned to handle or control the actual DMA Engine's data transfer
> capabilities.
> >
> > Signed-off-by: Vamsi Attunuru <vattunuru@...vell.com>
> > ---
> > Changes V5 -> V6:
> > - Updated documentation
> 
> The documentation for where to find the userspace code needs to be in the
> documentation file, not buried in a comment here in a changelog section that
> will never show up anywhere.

Sure, I will add the details in documentation file and resend. I assumed like you wanted the user space code references for the review purpose, so mentioned as separately.

Thanks
Vamsi
> 
> thanks,
> 
> greg k-h