[Intel-wired-lan] [e1000-patches] [PATCH] igb: read flash with iomem=strict

Loktionov, Aleksandr aleksandr.loktionov at intel.com
Wed Nov 13 10:51:04 UTC 2019



-----Original Message-----
From: Jesse Brandeburg <jesse.brandeburg at intel.com> 
Sent: Tuesday, November 12, 2019 8:45 PM
To: Kirsher, Jeffrey T <jeffrey.t.kirsher at intel.com>
Cc: Loktionov, Aleksandr <aleksandr.loktionov at intel.com>; Michael, Alice <alice.michael at intel.com>; intel-wired-lan at lists.osuosl.org; Ludkiewicz, Adam <adam.ludkiewicz at intel.com>; Brandeburg, Jesse <jesse.brandeburg at intel.com>
Subject: Re: [Intel-wired-lan] [e1000-patches] [PATCH] igb: read flash with iomem=strict

On Tue, 12 Nov 2019 11:05:38 -0800 Jeff wrote:
> On Tue, 2019-11-12 at 13:03 +0000, Loktionov, Aleksandr wrote:
> > When Secure Boot is enabled access to the /dev/mem is forbidden for 
> > user- space applications and clients are reporting inability to use 
> > tools in Secure Boot Mode. The way to perform NVM update is to use igb driver.
> > Currently 1G Linux Base Driver has API which allows only EEPROM access.
> > There is a need to extend IOCTL API to allow NVM and registers access.
> > These defines are necessary for NVM access functions.
> > 
> > Signed-off-by: Adam Ludkiewicz <adam.ludkiewicz at intel.com>
> > ---
> 
> This patch only adds defines and macros which are not being used in 
> the driver currently.  It appears you are missing the code to actually 
> use these defines.  Your missing the changes that Adam made to 
> igb_ethtool.c, which are currently being reviewed internally.
> 
> Since this is an incomplete patch, I will drop it from the queue and 
> will await a v2 of the patch that has the complete changes needed in the driver.

Not only that, but this is the same code that was just rejected for the ice driver. I think we should NOT be trying to push this upstream, knowing that it will likely be rejected.

But it's almost the same code tat was already accepted and upstreamed for ixbge.

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