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From: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: RDMA mailing list <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Cc: Ram Amrani <ram.amrani-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>,
	Jason Gunthorpe
	<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>,
	Christoph Lameter <cl-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>,
	Don Dutile <ddutile-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Liran Liss <liranl-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	Yaron Gepstein <yarong-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	Tal Alon <talal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	Matan Barak <matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	Marcel Apfelbaum <marcel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Knut Omang <knut.omang-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
	Bart Van Assche
	<bart.vanassche-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>,
	Yuval Shaia <yuval.shaia-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
	"LWN.net" <lwn-T1hC0tSOHrs@public.gmane.org>
Subject: Re: 2nd RDMA Miniconference Summary
Date: Mon, 18 Sep 2017 08:41:16 +0300	[thread overview]
Message-ID: <20170918054116.GD5788@mtr-leonro.local> (raw)
In-Reply-To: <20170917125603.GA5788-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>

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On Sun, Sep 17, 2017 at 03:56:03PM +0300, Leon Romanovsky wrote:

<...>

> *  uABI Update - Matan Barak

And this is the presentation: http://linux-rdma.org/docs/lpc-2017-kabi-matan-barak.pdf

> 	* main purpose: enable it by default
> 	* goals of uABI
> 		* resolve write() security issue
> 		* an extensible approach
> 			* #1 - extensible verbs
> 			* #2 - vendor specific - objects, methods and attributes
> 		* and more: automatic syntatic check, backward compatability, efficiency
> 	* The approach is similar to object oriented programming
> 		* Objects - cq, qp, ...
> 		* Methods- create qp, modify qp, create cq, ...
> 		* Attributes - qp handle, qp type, ...
> 	* Parsing trees types
> 		* Common feature-set - QP, CQ, MW, MR, PD
> 		* specific feature - device, CQ
> 		* driver-specific feature - e.g., MLX object, CQ, QP
> 	* The consolidated driver specific parsing tree will be created from the *supported* common/specific/driver-specific features listed above
> 	* user-space passes an ID that is a 16bit unique number to identify the operation
> 	* Method = name + ID + handler + attributes
> 	* Next
> 		* try the accepted patches yourself. already two verbs are implemented (cq create/destroy)
> 		* transition -
> 			* will need to move *all* verbs to resolve the security issue; will need to recode RDMA CM,...
> 			* But can start transition now to enjoy the extensibility and vendor specific perk
> 			* hopefully we could remove the "experimental" before we transition everything (will take time to convert all..., more than 2 years)
> 			* Red Hat won't take anything in experimental...
> 			* force new features to use the new API?
> 			* choose minimal verb list before removing the 'experimental'?
> 			* compat suggestion: have the old API actually use the new API under the hood
>

Thanks

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  parent reply	other threads:[~2017-09-18  5:41 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-17 12:56 2nd RDMA Miniconference Summary Leon Romanovsky
     [not found] ` <20170917125603.GA5788-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-09-18  5:41   ` Leon Romanovsky [this message]
2017-09-18 10:40   ` Dennis Dalessandro
     [not found]     ` <4c96300a-0e1c-daf9-36bd-906eb3f68065-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-09-20 20:54       ` Jason Gunthorpe
     [not found]         ` <20170920205432.GB20190-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-09-21 21:43           ` Jason Gunthorpe

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