[flashrom] PCI BAR access thru sysfs

[Stefan Tauner]

On Wed, 10 Dec 2014 15:03:39 -0800
Ed Swierk <eswierk at skyportsystems.com> wrote:

> Various kernel options are known to interfere with flashrom's attempts to
> access physical memory through /dev/mem. Some (like CONFIG_STRICT_DEVMEM)
> are important security measures that cannot be disabled without recompiling
> the kernel, and are likely to be used more widely over time.
> 
> However, complete access to physical memory is unnecessary for some use
> cases. For example, the SPI interface on an Intel NIC can be accessed by
> mmapping a BAR resource file in the PCI device directory in sysfs. Has
> anyone considered implementing such an alternative access method for PCI
> devices in flashrom?

Hello Ed,

The issue is on our radar but we have not made any plans how to
approach it. RFCs, PoCs and Patches very welcome ;)

-- 
Kind regards/Mit freundlichen Grüßen, Stefan Tauner