Re: [Qemu-devel] [RFC PATCH v1 2/4] bitops: Add UInt32StateInfo and helper functions

[Gerd Hoffmann]

  Hi,

>>> + * @nw0: bits that cant be written with a 0 by the guest (sticky 1)
>>> + * @nw1: bits that cant be written with a 1 by the guest (sticky 0)
>>
>> Why these?
>>
>> reset=0 + ro=1 equals nw1=1
>> reset=1 + ro=1 equals nw0=1
>>
> 
> Some bits in my devices can only be written one-way they are either
> "stuck on" once they are written, or only the hardware is allowed to
> write the other way.

Ah, ok.  Makes sense.  Can you make the description a bit more verbose
to clarify this?

cheers,
  Gerd