Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752376AbbDUFmB (ORCPT ); Tue, 21 Apr 2015 01:42:01 -0400 Received: from cmexedge1.emulex.com ([138.239.224.99]:37320 "EHLO CMEXEDGE1.ext.emulex.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750751AbbDUFlz (ORCPT ); Tue, 21 Apr 2015 01:41:55 -0400 From: Devesh Sharma To: Michael Wang , Roland Dreier , Sean Hefty , Hal Rosenstock , "linux-rdma@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "hal@dev.mellanox.co.il" CC: Tom Tucker , Steve Wise , Hoang-Nam Nguyen , Christoph Raisch , Mike Marciniszyn , Eli Cohen , Faisal Latif , Jack Morgenstein , "Or Gerlitz" , Haggai Eran , "Ira Weiny" , Tom Talpey , Jason Gunthorpe , Doug Ledford Subject: RE: [PATCH v5 00/27] IB/Verbs: IB Management Helpers Thread-Topic: [PATCH v5 00/27] IB/Verbs: IB Management Helpers Thread-Index: AQHQe0QVcOugEWrHzUWYyuh4/xMtaZ1W9HCA Date: Tue, 21 Apr 2015 05:41:20 +0000 Message-ID: References: <5534B8C9.506@profitbricks.com> In-Reply-To: <5534B8C9.506@profitbricks.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.226.252.225] Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by nfs id t3L5gCMT012117 Content-Length: 7540 Lines: 166 Hi Michael, is there a specific git branch available to pull out all the patches? -Regards Devesh > -----Original Message----- > From: linux-rdma-owner@vger.kernel.org [mailto:linux-rdma- > owner@vger.kernel.org] On Behalf Of Michael Wang > Sent: Monday, April 20, 2015 1:59 PM > To: Roland Dreier; Sean Hefty; Hal Rosenstock; linux-rdma@vger.kernel.org; > linux-kernel@vger.kernel.org; hal@dev.mellanox.co.il > Cc: Tom Tucker; Steve Wise; Hoang-Nam Nguyen; Christoph Raisch; Mike > Marciniszyn; Eli Cohen; Faisal Latif; Jack Morgenstein; Or Gerlitz; Haggai Eran; > Ira Weiny; Tom Talpey; Jason Gunthorpe; Doug Ledford; Michael Wang > Subject: [PATCH v5 00/27] IB/Verbs: IB Management Helpers > > > Since v4: > * Thanks for the comments from Hal, Sean, Tom, Or Gerlitz, Jason, > Roland, Ira and Steve :-) Please remind me if anything missed :-P > * Fix logical issue inside 3#, 14# > * Refine 3#, 4#, 5# with label 'free' > * Rework 10# to stop using port 1 when port already assigned > > There are plenty of lengthy code to check the transport type of IB device, or the > link layer type of it's port, but actually we are just speculating whether a > particular management/feature is supported by the device/port. > > Thus instead of inferring, we should have our own mechanism for IB > management capability/protocol/feature checking, several proposals below. > > This patch set will reform the method of getting transport type, we will now > using query_transport() instead of inferring from transport and link layer > respectively, also we defined the new transport type to make the concept more > reasonable. > > Mapping List: > node-type link-layer old-transport new-transport > nes RNIC ETH IWARP IWARP > amso1100 RNIC ETH IWARP IWARP > cxgb3 RNIC ETH IWARP IWARP > cxgb4 RNIC ETH IWARP IWARP > usnic USNIC_UDP ETH USNIC_UDP USNIC_UDP > ocrdma IB_CA ETH IB IBOE > mlx4 IB_CA IB/ETH IB IB/IBOE > mlx5 IB_CA IB IB IB > ehca IB_CA IB IB IB > ipath IB_CA IB IB IB > mthca IB_CA IB IB IB > qib IB_CA IB IB IB > > For example: > if (transport == IB) && (link-layer == ETH) will now become: > if (query_transport() == IBOE) > > Thus we will be able to get rid of the respective transport and link-layer > checking, and it will help us to add new protocol/Technology (like OPA) more > easier, also with the introduced management helpers, IB management logical > will be more clear and easier for extending. > > Highlights: > The patch set covered a wide range of IB stuff, thus for those who are > familiar with the particular part, your suggestion would be invaluable ;-) > > Patch 1#~15# included all the logical reform, 16#~25# introduced the > management helpers, 26#~27# do clean up. > > Patches haven't been tested yet, we appreciate if any one who have these > HW willing to provide his Tested-by :-) > > Doug suggested the bitmask mechanism: > https://www.mail-archive.com/linux- > rdma@vger.kernel.org/msg23765.html > which could be the plan for future reforming, we prefer that to be another > series which focus on semantic and performance. > > This patch-set is somewhat 'bloated' now and it may be a good timing for > staging, I'd like to suggest we focus on improving existed helpers and push > all the further reforms into next series ;-) > > Proposals: > Sean: > https://www.mail-archive.com/linux- > rdma@vger.kernel.org/msg23339.html > Doug: > https://www.mail-archive.com/linux- > rdma@vger.kernel.org/msg23418.html > https://www.mail-archive.com/linux- > rdma@vger.kernel.org/msg23765.html > Jason: > https://www.mail-archive.com/linux- > rdma@vger.kernel.org/msg23425.html > > Michael Wang (27): > IB/Verbs: Implement new callback query_transport() > IB/Verbs: Implement raw management helpers > IB/Verbs: Reform IB-core mad/agent/user_mad > IB/Verbs: Reform IB-core cm > IB/Verbs: Reform IB-core sa_query > IB/Verbs: Reform IB-core multicast > IB/Verbs: Reform IB-ulp ipoib > IB/Verbs: Reform IB-ulp xprtrdma > IB/Verbs: Reform IB-core verbs/uverbs_cmd/sysfs > IB/Verbs: Reform cm related part in IB-core cma/ucm > IB/Verbs: Reform route related part in IB-core cma > IB/Verbs: Reform mcast related part in IB-core cma > IB/Verbs: Reserve legacy transport type in 'dev_addr' > IB/Verbs: Reform cma_acquire_dev() > IB/Verbs: Reform rest part in IB-core cma > IB/Verbs: Use management helper cap_ib_mad() > IB/Verbs: Use management helper cap_ib_smi() > IB/Verbs: Use management helper cap_ib_cm() > IB/Verbs: Use management helper cap_iw_cm() > IB/Verbs: Use management helper cap_ib_sa() > IB/Verbs: Use management helper cap_ib_mcast() > IB/Verbs: Use management helper cap_ipoib() > IB/Verbs: Use management helper cap_read_multi_sge() > IB/Verbs: Use management helper cap_af_ib() > IB/Verbs: Use management helper cap_eth_ah() > IB/Verbs: Clean up rdma_ib_or_iboe() > IB/Verbs: Cleanup rdma_node_get_transport() > > --- > drivers/infiniband/core/agent.c | 4 > drivers/infiniband/core/cm.c | 26 +- > drivers/infiniband/core/cma.c | 328 ++++++++++++--------------- > drivers/infiniband/core/device.c | 1 > drivers/infiniband/core/mad.c | 51 ++-- > drivers/infiniband/core/multicast.c | 18 - > drivers/infiniband/core/sa_query.c | 41 +-- > drivers/infiniband/core/sysfs.c | 8 > drivers/infiniband/core/ucm.c | 5 > drivers/infiniband/core/ucma.c | 27 -- > drivers/infiniband/core/user_mad.c | 32 +- > drivers/infiniband/core/uverbs_cmd.c | 6 > drivers/infiniband/core/verbs.c | 33 -- > drivers/infiniband/hw/amso1100/c2_provider.c | 7 > drivers/infiniband/hw/cxgb3/iwch_provider.c | 7 > drivers/infiniband/hw/cxgb4/provider.c | 7 > drivers/infiniband/hw/ehca/ehca_hca.c | 6 > drivers/infiniband/hw/ehca/ehca_iverbs.h | 3 > drivers/infiniband/hw/ehca/ehca_main.c | 1 > drivers/infiniband/hw/ipath/ipath_verbs.c | 7 > drivers/infiniband/hw/mlx4/main.c | 10 > drivers/infiniband/hw/mlx5/main.c | 7 > drivers/infiniband/hw/mthca/mthca_provider.c | 7 > drivers/infiniband/hw/nes/nes_verbs.c | 6 > drivers/infiniband/hw/ocrdma/ocrdma_main.c | 1 > drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 6 > drivers/infiniband/hw/ocrdma/ocrdma_verbs.h | 3 > drivers/infiniband/hw/qib/qib_verbs.c | 7 > drivers/infiniband/hw/usnic/usnic_ib_main.c | 1 > drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 6 > drivers/infiniband/hw/usnic/usnic_ib_verbs.h | 2 > drivers/infiniband/ulp/ipoib/ipoib_main.c | 17 - > include/rdma/ib_verbs.h | 204 +++++++++++++++- > net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 6 > net/sunrpc/xprtrdma/svc_rdma_transport.c | 51 +--- > 35 files changed, 584 insertions(+), 368 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