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From: Vasiliy Tolstov <v.tolstov-+9FY0jupvH6HXe+LvDLADg@public.gmane.org>
To: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: linux-rdma <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: dedicated list for rdma userspace programming
Date: Mon, 24 Apr 2017 14:58:57 +0300	[thread overview]
Message-ID: <CACaajQs=04be-QDFgqjXj4u=qp4wC6KFU8y5g=kR7vkV0QkbdQ@mail.gmail.com> (raw)
In-Reply-To: <20170424114733.GI14088-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>

2017-04-24 14:47 GMT+03:00 Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>:
> On Mon, Apr 24, 2017 at 02:07:14PM +0300, Vasiliy Tolstov wrote:
>> 2017-04-24 13:42 GMT+03:00 Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>:
>> > There are number of char devices exported by infiniband subsystem
>> > (/dev/infiniband/*) and the communication is performed with read/write
>> > interfaces to uverbs file [1].
>> >
>> > Right now, we are in process of migration from these interfaces to ioctl
>> > based, see Matan's latest RFC [2].
>>
>>
>> Where i can find tree with commits from [2] ?
>
> https://github.com/matanb10/linux tag: abi-devel-latest

Thanks!

>
>> And how much work needs to be done to get this work upstream? (1
>> month, 6 months, years...) ?
>
> At least one kernel cycle, and after transition read/write will be
> obsolete and will be dropped.
>

So 4.12-4.13 ?

>> If i want to try working with uverbs without C librarary, where i can
>> find some info about format of messages reader and writed to uverbs
>> device?
>
> Did you see Documentation/infiniband/user_verbs.txt?


https://www.kernel.org/doc/Documentation/infiniband/user_verbs.txt as
i see this nothing says about format of data writed/readed...

-- 
Vasiliy Tolstov,
e-mail: v.tolstov-+9FY0jupvH6HXe+LvDLADg@public.gmane.org
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  parent reply	other threads:[~2017-04-24 11:58 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-24  9:58 dedicated list for rdma userspace programming Vasiliy Tolstov
     [not found] ` <CACaajQu1jvvCYJk82_oGOGH7jbjXzbkw_YoggqvW7TZhXj4VBw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-04-24 10:42   ` Leon Romanovsky
     [not found]     ` <20170424104259.GH14088-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-04-24 11:07       ` Vasiliy Tolstov
     [not found]         ` <CACaajQu9y2HawOjeuwjYSHeFmYfhWreQORB5_61nPiEspoQ2JA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-04-24 11:47           ` Leon Romanovsky
     [not found]             ` <20170424114733.GI14088-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-04-24 11:58               ` Vasiliy Tolstov [this message]
     [not found]                 ` <CACaajQs=04be-QDFgqjXj4u=qp4wC6KFU8y5g=kR7vkV0QkbdQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-04-24 12:34                   ` Leon Romanovsky
     [not found]                     ` <20170424123413.GJ14088-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-04-24 12:45                       ` Vasiliy Tolstov
     [not found]                         ` <CACaajQueUDeiqb0jyPPT-OFL=sgEn=apffC2SpLFZR2pbi04fg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-04-24 18:13                           ` Leon Romanovsky
     [not found]                             ` <20170424181351.GM14088-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-04-24 18:26                               ` Vasiliy Tolstov
     [not found]                                 ` <CACaajQvf4fioVGoYqJexhOAbNFJPK0aYGbFW+52z3NFU9RKQcA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-04-24 18:31                                   ` Jason Gunthorpe
     [not found]                                     ` <20170424183137.GA27506-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-04-24 19:49                                       ` Vasiliy Tolstov
     [not found]                                         ` <CACaajQt8WZrCWXN5-JGovCcknwV9TKiy5gntzNmTjpmdxf6PJg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-04-24 20:10                                           ` Jason Gunthorpe
     [not found]                                             ` <20170424201033.GA28656-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-04-25 11:29                                               ` Vasiliy Tolstov
     [not found]                                                 ` <CACaajQsMdNt++M=DStZ+27km04xNRRxpbcrSGS9av_qtUgPJHA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-04-25 17:13                                                   ` Hefty, Sean
2017-04-25 17:39                                                   ` Jason Gunthorpe
     [not found]                                                     ` <20170425173912.GA6242-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-04-25 20:41                                                       ` Vasiliy Tolstov
2017-04-25 17:56                                                   ` Leon Romanovsky

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