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Re: [Xen-devel] Guidelines for new PV protocol submission

El 05/02/15 a les 11.42, Ian Campbell ha escrit:
> On Tue, 2015-01-20 at 13:47 +0100, Roger Pau Monnà wrote:
>> Hello,
>> I should probably have done this earlier because I've been aware of this
>> issue for a long time (since I've started dealing with the PV blk protocol).
>> The current way to describe PV protocols in Xen is very inefficient
>> IMHO. Using C structs as "the description" of a binary protocol seems
>> very wrong, specially taking into account that different ABIs can
>> generate different layouts for the same C struct. This is for example a
>> problem in the PV blk protocol, since the binary layout of the
>> structures change depending on the bitness.
>> In order to avoid this, I would like to request that any new PV protocol
>> that's added to Xen be described in binary terms, just like it's
>> normally done with other protocols. As a reference see for example the
>> following section from the TCP RFC:
>> http://tools.ietf.org/html/rfc793#page-15
> How about on the next doc day I'll convert netif.h and you do blkif.h?

Sounds like a plan, although I think I got the short straw ;).


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