Re: [PATCH v3 06/10] fwctl: Add documentation

Jason Gunthorpe
2024-08-27T14:58:42Z

On Fri, Aug 23, 2024 at 03:35:13PM +0100, Jonathan Cameron wrote:

> > +Modern devices contain extensive amounts of FW, and in many cases, are largely
> > +software-defined pieces of hardware. The evolution of this approach is largely a
> > +reaction to Moore's Law where a chip tape out is now highly expensive, and the
> > +chip design is extremely large. Replacing fixed HW logic with a flexible and
> > +tightly coupled FW/HW combination is an effective risk mitigation against chip
> > +respin. Problems in the HW design can be counteracted in device FW. This is
> > +especially true for devices which present a stable and backwards compatible
> > +interface to the operating system driver (such as NVMe).
> > +
> > +The FW layer in devices has grown to incredible sizes and devices frequently
> incredible size
> (tricky to get the plurals right in this sentence, but currently its a mixture)

Okay I trust your english!

Thanks,
Jason