From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: "Dave Goodell (dgoodell)"
<dgoodell-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
Cc: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Liran Liss <liranl-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
"Hefty,
Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"Weiny, Ira" <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [RFC PATCH 1/5] IB/core: Add Core Capability flags to ib_device
Date: Tue, 12 May 2015 12:08:15 -0600 [thread overview]
Message-ID: <20150512180815.GB15891@obsidianresearch.com> (raw)
In-Reply-To: <DC760F33-F704-4763-AEA3-6DE9016D0687-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
On Tue, May 12, 2015 at 05:41:14PM +0000, Dave Goodell (dgoodell) wrote:
> > I'd then guess the entire point of this is to hack some non-RDMA
> > device to export it's interface via uverbs?
>
> If by "non-RDMA", you mean "does not currently support hardware
> offload of direct data placement", then yes. There are a couple of
> things to keep in mind:
I actually mean 'does not provide RDMA services to the kernel'.
What actually happens if you, for instance, load the iser module and
try and use it with usnic?
What parts of the RDMA core code does usnic actually use beyond
command marshaling through uverbs?
Would things be easier for you if usnic lived within DPDK?
Jason
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next prev parent reply other threads:[~2015-05-12 18:08 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-04 6:14 [RFC PATCH 0/5] Add Core Capability Bits to use in Management helpers ira.weiny-ral2JQCrhuEAvxtiuMwx3w
[not found] ` <1430720099-32512-1-git-send-email-ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-05-04 6:14 ` [RFC PATCH 1/5] IB/core: Add Core Capability flags to ib_device ira.weiny-ral2JQCrhuEAvxtiuMwx3w
[not found] ` <1430720099-32512-2-git-send-email-ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-05-04 14:41 ` Doug Ledford
[not found] ` <1430750492.2407.9.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-05-04 16:40 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A8FCA17C-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-05-04 17:38 ` Doug Ledford
[not found] ` <1430761111.2407.85.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-05-04 18:26 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A8FCA2F1-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-05-04 19:40 ` Doug Ledford
[not found] ` <1430768425.2407.143.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-05-04 21:07 ` Jason Gunthorpe
[not found] ` <20150504210741.GA20839-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-05-05 19:59 ` Liran Liss
2015-05-04 20:21 ` Dave Goodell (dgoodell)
2015-05-05 19:51 ` Liran Liss
[not found] ` <HE1PR05MB1418DF0669B6E6CABE1D9F1EB1D10-eBadYZ65MZ87O8BmmlM1zNqRiQSDpxhJvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2015-05-05 20:22 ` Dave Goodell (dgoodell)
[not found] ` <20BA79B2-9DA5-49B3-8455-BD4021CB882C-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2015-05-05 20:29 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A8FCAEFD-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-05-06 14:25 ` Liran Liss
2015-05-09 3:32 ` Doug Ledford
[not found] ` <1431142328.2407.488.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-05-11 22:19 ` Dave Goodell (dgoodell)
[not found] ` <CCC397F5-31B6-4A35-94E0-7EAAE6C4803F-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2015-05-11 22:39 ` Jason Gunthorpe
[not found] ` <20150511223930.GA15628-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-05-12 17:41 ` Dave Goodell (dgoodell)
[not found] ` <DC760F33-F704-4763-AEA3-6DE9016D0687-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2015-05-12 18:08 ` Jason Gunthorpe [this message]
2015-05-11 6:42 ` ira.weiny
[not found] ` <20150511064232.GA3042-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2015-05-11 22:26 ` Dave Goodell (dgoodell)
[not found] ` <D72B89F6-B333-4DC2-9BA7-CB45EBC31843-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2015-05-12 2:13 ` Weiny, Ira
[not found] ` <2807E5FD2F6FDA4886F6618EAC48510E1107C20E-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-05-12 17:56 ` Dave Goodell (dgoodell)
2015-05-05 19:27 ` Liran Liss
[not found] ` <HE1PR05MB1418E58A6EB92D92B78C76A0B1D10-eBadYZ65MZ87O8BmmlM1zNqRiQSDpxhJvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2015-05-08 18:56 ` Doug Ledford
[not found] ` <1431111412.2407.463.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-05-08 20:06 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A8FCD719-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-05-08 20:30 ` Doug Ledford
[not found] ` <1431117051.2407.468.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-05-08 20:56 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A8FCD78C-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-05-08 21:48 ` Jason Gunthorpe
[not found] ` <20150508214855.GA3917-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-05-13 20:41 ` Liran Liss
2015-05-04 16:42 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A8FCA192-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-05-04 16:48 ` Doug Ledford
[not found] ` <1430758097.2407.59.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-05-04 16:53 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A8FCA1D9-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-05-04 16:56 ` Doug Ledford
[not found] ` <1430758566.2407.62.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-05-04 17:25 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A8FCA217-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-05-04 17:31 ` Weiny, Ira
[not found] ` <2807E5FD2F6FDA4886F6618EAC48510E11069818-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-05-04 17:34 ` Hefty, Sean
2015-05-04 18:36 ` Jason Gunthorpe
[not found] ` <20150504183657.GA20586-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-05-04 22:32 ` ira.weiny
[not found] ` <20150504223234.GB10115-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2015-05-04 23:16 ` ira.weiny
[not found] ` <20150504231622.GE10115-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2015-05-04 23:52 ` Jason Gunthorpe
2015-05-04 6:14 ` [RFC PATCH 2/5] IB/core: Replace query_protocol callback with Core Capability flags check ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2015-05-04 6:14 ` [RFC PATCH 3/5] IB/core: Convert cap_ib_mad to core_cap_flags bit mask ira.weiny-ral2JQCrhuEAvxtiuMwx3w
[not found] ` <1430720099-32512-4-git-send-email-ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-05-04 16:49 ` Hefty, Sean
2015-05-04 18:46 ` Jason Gunthorpe
[not found] ` <20150504184610.GB20586-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-05-04 22:43 ` ira.weiny
[not found] ` <20150504224342.GD10115-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2015-05-05 8:00 ` Michael Wang
2015-05-05 8:26 ` Michael Wang
2015-05-04 6:14 ` [RFC PATCH 4/5] IB/core: Add rdma_dev_max_mad_size call ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2015-05-04 6:14 ` [RFC PATCH 5/5] IB/core: Add cap_opa_mad helper using RDMA_CORE_CAP_OPA_MAD flag ira.weiny-ral2JQCrhuEAvxtiuMwx3w
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