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Date: Mon, 27 Apr 2015 07:19:32 +0000 From: Devesh Sharma <Devesh.Sharma@...lex.Com> To: Michael Wang <yun.wang@...fitbricks.com>, Roland Dreier <roland@...nel.org>, Sean Hefty <sean.hefty@...el.com>, Hal Rosenstock <hal@....mellanox.co.il>, "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> CC: Tom Tucker <tom@...ngridcomputing.com>, Steve Wise <swise@...ngridcomputing.com>, Hoang-Nam Nguyen <hnguyen@...ibm.com>, Christoph Raisch <raisch@...ibm.com>, Mike Marciniszyn <infinipath@...el.com>, Eli Cohen <eli@...lanox.com>, Faisal Latif <faisal.latif@...el.com>, Jack Morgenstein <jackm@....mellanox.co.il>, "Or Gerlitz" <ogerlitz@...lanox.com>, Haggai Eran <haggaie@...lanox.com>, "Ira Weiny" <ira.weiny@...el.com>, Tom Talpey <tom@...pey.com>, Jason Gunthorpe <jgunthorpe@...idianresearch.com>, Doug Ledford <dledford@...hat.com>, Liran Liss <liranl@...lanox.com>, Dave Goodell <dgoodell@...co.com> Subject: RE: [PATCH v6 00/26] IB/Verbs: IB Management Helpers Tested-By: Devesh Sharma <Devesh.sharma@...lex.com> I am still in process of reviewing the series. Will respond soon. -Regards Devesh > -----Original Message----- > From: Michael Wang [mailto:yun.wang@...fitbricks.com] > Sent: Friday, April 24, 2015 6:43 PM > To: Roland Dreier; Sean Hefty; Hal Rosenstock; linux-rdma@...r.kernel.org; > linux-kernel@...r.kernel.org > 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; Devesh Sharma; Liran > Liss; Dave Goodell > Subject: Re: [PATCH v6 00/26] IB/Verbs: IB Management Helpers > > Add missing Cc: > Devesh Sharma <Devesh.Sharma@...lex.Com>" > Liran Liss <liranl@...lanox.com>" > Dave Goodell <dgoodell@...co.com>" > > Regards, > Michael Wang > > On 04/24/2015 02:23 PM, Michael Wang wrote: > > Since v5: > > * Thanks to Ira, Devesh for the review and testing :-) > > * Thanks for the comments from Steve, Tom, Jason, Hal, Devesh, Ira, > > Liran, Jason, Dave :-) Please remind me if anything missed :-P > > * Trivial fix for 4# > > * Drop the reform on acquiring link-layer in 9# > > * Drop cap_ipoib() > > > > 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. > > > > we appreciate for those one who have the HW willing to provide > > Tested-by :-) > > > > Doug suggested the bitmask mechanism: > > https://www.mail-archive.com/linux- > rdma@...r.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 ;-) > > > > We now have a repository based on latest infiniband/for-next with this > > series applied: > > git@...hub.com:ywang-pb/infiniband-wy.git > > > > Proposals: > > Sean: > > https://www.mail-archive.com/linux- > rdma@...r.kernel.org/msg23339.html > > Doug: > > https://www.mail-archive.com/linux- > rdma@...r.kernel.org/msg23418.html > > https://www.mail-archive.com/linux- > rdma@...r.kernel.org/msg23765.html > > Jason: > > https://www.mail-archive.com/linux- > rdma@...r.kernel.org/msg23425.html > > > > Michael Wang (26): > > 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 > > 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_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 | 2 +- > > drivers/infiniband/core/cm.c | 20 +- > > drivers/infiniband/core/cma.c | 282 ++++++++++++--------------- > > drivers/infiniband/core/device.c | 1 + > > drivers/infiniband/core/mad.c | 43 ++-- > > drivers/infiniband/core/multicast.c | 12 +- > > drivers/infiniband/core/sa_query.c | 30 +-- > > drivers/infiniband/core/ucm.c | 3 +- > > drivers/infiniband/core/ucma.c | 25 +-- > > drivers/infiniband/core/user_mad.c | 26 ++- > > drivers/infiniband/core/verbs.c | 31 +-- > > 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 | 15 +- > > include/rdma/ib_verbs.h | 169 +++++++++++++++- > > net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 4 +- > > net/sunrpc/xprtrdma/svc_rdma_transport.c | 47 ++--- > > 33 files changed, 503 insertions(+), 301 deletions(-) > > -- To unsubscribe from this list: send the line "unsubscribe 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