From: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: "Hefty, Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Jason Gunthorpe
<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>,
Matan Barak
<matanb-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
"dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org"
<dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [RFC ABI 0/8] Netlink-based IOCTLs RDMA ABI
Date: Tue, 31 May 2016 21:10:12 +0300 [thread overview]
Message-ID: <20160531181012.GD7477@leon.nu> (raw)
In-Reply-To: <1828884A29C6694DAF28B7E6B8A82373AB05CA92-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
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On Tue, May 31, 2016 at 05:56:29PM +0000, Hefty, Sean wrote:
> > > I am referring to the creation of an ioctl handling framework that is suitable for use by the rdma
> > cm, ib cm (if kept), verb devices, and non-verbs drivers that do not plug into the kernel verbs
> > framework. The kernel clients are the items I mentioned. Having a common ioctl handling framework
> > will maximize code reuse.
> >
> > It looks too generic for RDMA subsystem. What does it make this IOCTL framework specific to RDMA?
>
> I'm not sure how something can be too generic. Everything I mentioned above exists as part of the RDMA subsystem.
If I understand your proposal correctly, the proposed IOCTL framework will be
able to handle all types of objects without any limitations in order and locking,
everything is going to be processed by the driver, which will decide if
such object/method is supported or not.
What will stop the GPU with DRMs to use it?
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next prev parent reply other threads:[~2016-05-31 18:10 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-24 14:35 [RFC ABI 0/8] Netlink-based IOCTLs RDMA ABI Leon Romanovsky
[not found] ` <1464100526-31730-1-git-send-email-leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-05-24 14:35 ` [RFC ABI 1/8] IB/core: Export RDMA IOCTL declarations Leon Romanovsky
[not found] ` <1464100526-31730-2-git-send-email-leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-05-24 19:46 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05008A-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-24 19:49 ` Leon Romanovsky
2016-05-24 14:35 ` [RFC ABI 2/8] lib/nlattr: Add parsing netlink and validate using callback Leon Romanovsky
2016-05-24 14:35 ` [RFC ABI 3/8] IB/core: Adding netlink based udata Leon Romanovsky
2016-05-24 14:35 ` [RFC ABI 4/8] IB/core: Add DIRECT ioctl call to vendor Leon Romanovsky
2016-05-24 14:35 ` [RFC ABI 5/8] IB/core: Add new ioctl for VERBS commands with netlink style parsing Leon Romanovsky
2016-05-24 14:35 ` [RFC ABI 6/8] IB/core: Add outptr to udata in order to track the output size Leon Romanovsky
2016-05-24 14:35 ` [RFC ABI 7/8] IB/core: Refactor idr to a shared file Leon Romanovsky
2016-05-24 14:35 ` [RFC ABI 8/8] IB/core: Implement device_create with the new ABI Leon Romanovsky
[not found] ` <1464100526-31730-9-git-send-email-leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-05-24 20:04 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB0500F1-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-24 21:53 ` Jason Gunthorpe
[not found] ` <20160524215335.GE7950-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-24 22:02 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05024F-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-24 22:11 ` Jason Gunthorpe
[not found] ` <20160524221118.GG7950-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-24 22:24 ` Hefty, Sean
2016-05-24 22:07 ` Jason Gunthorpe
[not found] ` <20160524220720.GF7950-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-26 6:00 ` Leon Romanovsky
2016-05-26 13:24 ` Matan Barak
[not found] ` <CAAKD3BDVFs4rivq1qEih-Z5uOMSVp=OuwDaVroK=UjAhcj6wsg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-26 17:30 ` Jason Gunthorpe
2016-05-24 19:37 ` [RFC ABI 0/8] Netlink-based IOCTLs RDMA ABI Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05004F-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-24 21:01 ` Jason Gunthorpe
[not found] ` <20160524210132.GB7950-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-24 21:16 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB0501E2-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-24 21:31 ` Steve Wise
2016-05-24 21:49 ` Jason Gunthorpe
[not found] ` <20160524214951.GC7950-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-24 21:59 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05023F-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-24 22:30 ` Jason Gunthorpe
[not found] ` <20160524223052.GI7950-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-24 22:44 ` Hefty, Sean
2016-05-26 15:18 ` Matan Barak
[not found] ` <CAAKD3BA3fxgHwSXg__9LAPo7E4-7NY7h7Gea5+1GCg11ydn2kQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-26 17:22 ` Jason Gunthorpe
[not found] ` <20160526172244.GC27115-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-26 22:53 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05BB5D-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-26 23:36 ` Jason Gunthorpe
[not found] ` <20160526233612.GA4396-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-27 0:46 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05BC0C-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-27 13:19 ` Leon Romanovsky
[not found] ` <20160527131956.GY25500-2ukJVAZIZ/Y@public.gmane.org>
2016-05-27 15:04 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05BD12-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-29 8:16 ` Leon Romanovsky
[not found] ` <20160529081646.GA25500-2ukJVAZIZ/Y@public.gmane.org>
2016-05-31 17:56 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05CA92-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-31 18:10 ` Leon Romanovsky [this message]
[not found] ` <20160531181012.GD7477-2ukJVAZIZ/Y@public.gmane.org>
2016-05-31 20:01 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05CBD5-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-06-01 11:18 ` Leon Romanovsky
2016-05-25 13:14 ` Leon Romanovsky
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