Re: [openib-general] comments on DAT registry in OpenIB

2005-07-01 Thread James Lentini
On Thu, 30 Jun 2005, Roland Dreier wrote: Robert> I think that your suggestion to s/DAT/RDMA makes sense, Robert> since this code is quickly becoming "the" RDMA transport Robert> independent interface for Linux, rather than trying to Robert> RNIC-PI unionize the IB core layer to ma

Re: [openib-general] comments on DAT registry in OpenIB

2005-07-01 Thread James Lentini
On Thu, 30 Jun 2005, Christoph Hellwig wrote: Could you please stop that comitte crap? James, what do you think about doing an s/DAT/RDMA/ and s/dat/rdma/ on the code so we can stop this endless mess? If we explain the changes we're making, there should be no need to do that. In the end

RE: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Bob Woodruff
Carlin wrote, >True. >My assumption is that each transport would have its >own CM module with similar, but not identical APIs. >An application wants to go direct it could do the >if/else ifs on its own. If the application will have to have if/else for some functions, then it already has to be

Re: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Caitlin Bestler
On 6/30/05, Bob Woodruff <[EMAIL PROTECTED]> wrote: > Catlin wrote, > >application -> DAT Layer ---> RDMA Verbs > > >model-specific code > > \ ^ > > \ / > >

Re: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Sean Hefty
Sean Hefty wrote: Caitlin Bestler wrote: We have to keep in mind that DAT was designed for a broader purpose than what is proposed for "RDMA verbs". It was designed to support transport *and* OS neutral applications that could be migrated easily in a number of ways: transport, form OS to OS, fr

RE: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Bob Woodruff
Catlin wrote, >application -> DAT Layer ---> RDMA Verbs > >model-specific code > \ ^ > \ / > \/ Tell me how y

Re: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Sean Hefty
Caitlin Bestler wrote: We have to keep in mind that DAT was designed for a broader purpose than what is proposed for "RDMA verbs". It was designed to support transport *and* OS neutral applications that could be migrated easily in a number of ways: transport, form OS to OS, from user to kernel, e

Re: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Caitlin Bestler
We have to keep in mind that DAT was designed for a broader purpose than what is proposed for "RDMA verbs". It was designed to support transport *and* OS neutral applications that could be migrated easily in a number of ways: transport, form OS to OS, from user to kernel, etc. So in some ways DAT

RE: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Woodruff, Robert J
Christoph wrote, >Well, the plan was to take the parts of the DAT API that make sense >and put them into that generic RDMA layer. DAT advocates claimed there >were such useful higherlevel abstractions, but the more I look at >the dat/dat-provider codebase I doubt there's a lot of them. One exampl

RE: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Bob Woodruff
Roland wrote, >I disagree. It doesn't make sense to me for us to add an abstraction >layer on top of another abstraction layer -- let's just fix the first >abstraction layer. >If we follow the approach of changing the name of DAT to RDMA and then >putting it in the kernel, we end up with a stack

Re: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Roland Dreier
Christoph> Well, the plan was to take the parts of the DAT API Christoph> that make sense and put them into that generic RDMA Christoph> layer. DAT advocates claimed there were such useful Christoph> higherlevel abstractions, but the more I look at the Christoph> dat/dat-provid

Re: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Christoph Hellwig
On Thu, Jun 30, 2005 at 09:18:20AM -0700, Roland Dreier wrote: > Robert> I think that your suggestion to s/DAT/RDMA makes sense, > Robert> since this code is quickly becoming "the" RDMA transport > Robert> independent interface for Linux, rather than trying to > Robert> RNIC-PI unio

Re: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Roland Dreier
Robert> I think that your suggestion to s/DAT/RDMA makes sense, Robert> since this code is quickly becoming "the" RDMA transport Robert> independent interface for Linux, rather than trying to Robert> RNIC-PI unionize the IB core layer to make it support both Robert> IB and iWarp

RE: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Woodruff, Robert J
Christoph wrote, >On Thu, Jun 30, 2005 at 08:38:45AM -0700, Caitlin Bestler wrote: >> actual code requirements makes no sense. If you >> can't come up with something that remains acceptable >> to the broader community of DAT users then you should >> refrain from using the "dat_" symbols and their a

Re: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Christoph Hellwig
On Thu, Jun 30, 2005 at 08:38:45AM -0700, Caitlin Bestler wrote: > actual code requirements makes no sense. If you > can't come up with something that remains acceptable > to the broader community of DAT users then you should > refrain from using the "dat_" symbols and their already > established m

Re: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Caitlin Bestler
Taking an interface because it has a user base, and then ignoring that user base is just plain idiotic. If you want to design your own RDMA interface do so. But changing DAT to meet your whims rather than actual code requirements makes no sense. If you can't come up with something that remains ac

Re: [openib-general] comments on DAT registry in OpenIB

2005-06-30 Thread Christoph Hellwig
Could you please stop that comitte crap? James, what do you think about doing an s/DAT/RDMA/ and s/dat/rdma/ on the code so we can stop this endless mess? In the end it won't look like dat anyway, and the sooner why make that absolutely clear that less idiocy like this is going to happen. __

[openib-general] comments on DAT registry in OpenIB

2005-06-29 Thread Kanevsky, Arkady
Title: Message Dear DAT and OpenIB members, There is a debate going on on OpenIB and DAT reflectors which is going around about kDAT registry for Linux.   I would like to review the requirements we had agreed at DAT collaborative and captured in the kDAT and uDAT specs and review DAT regi