2017-04-24 14:47 GMT+03:00 Leon Romanovsky <leon@xxxxxxxxxx>: > On Mon, Apr 24, 2017 at 02:07:14PM +0300, Vasiliy Tolstov wrote: >> 2017-04-24 13:42 GMT+03:00 Leon Romanovsky <leon@xxxxxxxxxx>: >> > 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@xxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html