Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965570AbbDVAJo (ORCPT ); Tue, 21 Apr 2015 20:09:44 -0400 Received: from mga14.intel.com ([192.55.52.115]:2037 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965253AbbDVAJj (ORCPT ); Tue, 21 Apr 2015 20:09:39 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,619,1422950400"; d="scan'208";a="713248537" Date: Tue, 21 Apr 2015 20:09:30 -0400 From: "ira.weiny" To: Michael Wang Cc: Roland Dreier , Sean Hefty , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, hal@dev.mellanox.co.il, Tom Tucker , Steve Wise , Hoang-Nam Nguyen , Christoph Raisch , Mike Marciniszyn , Eli Cohen , Faisal Latif , Jack Morgenstein , Or Gerlitz , Haggai Eran , Tom Talpey , Jason Gunthorpe , Doug Ledford Subject: Re: [PATCH v5 18/27] IB/Verbs: Use management helper cap_ib_cm() Message-ID: <20150422000930.GR15893@phlsvsds.ph.intel.com> References: <5534B8C9.506@profitbricks.com> <5534BB64.10402@profitbricks.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5534BB64.10402@profitbricks.com> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6892 Lines: 186 On Mon, Apr 20, 2015 at 10:40:04AM +0200, Michael Wang wrote: > > Introduce helper cap_ib_cm() to help us check if the port of an > IB device support Infiniband Communication Manager. > > Cc: Hal Rosenstock > Cc: Steve Wise > Cc: Tom Talpey > Cc: Jason Gunthorpe > Cc: Doug Ledford > Cc: Ira Weiny > Cc: Sean Hefty > Signed-off-by: Michael Wang Reviewed-by: Ira Weiny > --- > drivers/infiniband/core/cm.c | 6 +++--- > drivers/infiniband/core/cma.c | 19 +++++++++---------- > drivers/infiniband/core/ucm.c | 2 +- > include/rdma/ib_verbs.h | 15 +++++++++++++++ > 4 files changed, 28 insertions(+), 14 deletions(-) > > diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c > index 3c10b75..eae4c9f 100644 > --- a/drivers/infiniband/core/cm.c > +++ b/drivers/infiniband/core/cm.c > @@ -3781,7 +3781,7 @@ static void cm_add_one(struct ib_device *ib_device) > > set_bit(IB_MGMT_METHOD_SEND, reg_req.method_mask); > for (i = 1; i <= ib_device->phys_port_cnt; i++) { > - if (!rdma_ib_or_iboe(ib_device, i)) > + if (!cap_ib_cm(ib_device, i)) > continue; > > port = kzalloc(sizeof *port, GFP_KERNEL); > @@ -3832,7 +3832,7 @@ error1: > port_modify.set_port_cap_mask = 0; > port_modify.clr_port_cap_mask = IB_PORT_CM_SUP; > while (--i) { > - if (!rdma_ib_or_iboe(ib_device, i)) > + if (!cap_ib_cm(ib_device, i)) > continue; > > port = cm_dev->port[i-1]; > @@ -3864,7 +3864,7 @@ static void cm_remove_one(struct ib_device *ib_device) > write_unlock_irqrestore(&cm.device_lock, flags); > > for (i = 1; i <= ib_device->phys_port_cnt; i++) { > - if (!rdma_ib_or_iboe(ib_device, i)) > + if (!cap_ib_cm(ib_device, i)) > continue; > > port = cm_dev->port[i-1]; > diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c > index ec64b97..ff59dbc 100644 > --- a/drivers/infiniband/core/cma.c > +++ b/drivers/infiniband/core/cma.c > @@ -766,7 +766,7 @@ int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr, > int ret = 0; > > id_priv = container_of(id, struct rdma_id_private, id); > - if (rdma_ib_or_iboe(id->device, id->port_num)) { > + if (cap_ib_cm(id->device, id->port_num)) { > if (!id_priv->cm_id.ib || (id_priv->id.qp_type == IB_QPT_UD)) > ret = cma_ib_init_qp_attr(id_priv, qp_attr, qp_attr_mask); > else > @@ -1054,7 +1054,7 @@ void rdma_destroy_id(struct rdma_cm_id *id) > mutex_unlock(&id_priv->handler_mutex); > > if (id_priv->cma_dev) { > - if (rdma_ib_or_iboe(id_priv->id.device, 1)) { > + if (cap_ib_cm(id_priv->id.device, 1)) { > if (id_priv->cm_id.ib) > ib_destroy_cm_id(id_priv->cm_id.ib); > } else if (rdma_tech_iwarp(id_priv->id.device, 1)) { > @@ -1637,8 +1637,7 @@ static void cma_listen_on_dev(struct rdma_id_private *id_priv, > struct rdma_cm_id *id; > int ret; > > - if (cma_family(id_priv) == AF_IB && > - !rdma_ib_or_iboe(cma_dev->device, 1)) > + if (cma_family(id_priv) == AF_IB && !cap_ib_cm(cma_dev->device, 1)) > return; > > id = rdma_create_id(cma_listen_handler, id_priv, id_priv->id.ps, > @@ -2029,7 +2028,7 @@ static int cma_bind_loopback(struct rdma_id_private *id_priv) > mutex_lock(&lock); > list_for_each_entry(cur_dev, &dev_list, list) { > if (cma_family(id_priv) == AF_IB && > - !rdma_ib_or_iboe(cur_dev->device, 1)) > + !cap_ib_cm(cur_dev->device, 1)) > continue; > > if (!cma_dev) > @@ -2538,7 +2537,7 @@ int rdma_listen(struct rdma_cm_id *id, int backlog) > > id_priv->backlog = backlog; > if (id->device) { > - if (rdma_ib_or_iboe(id->device, 1)) { > + if (cap_ib_cm(id->device, 1)) { > ret = cma_ib_listen(id_priv); > if (ret) > goto err; > @@ -2882,7 +2881,7 @@ int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param) > id_priv->srq = conn_param->srq; > } > > - if (rdma_ib_or_iboe(id->device, id->port_num)) { > + if (cap_ib_cm(id->device, id->port_num)) { > if (id->qp_type == IB_QPT_UD) > ret = cma_resolve_ib_udp(id_priv, conn_param); > else > @@ -2993,7 +2992,7 @@ int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param) > id_priv->srq = conn_param->srq; > } > > - if (rdma_ib_or_iboe(id->device, id->port_num)) { > + if (cap_ib_cm(id->device, id->port_num)) { > if (id->qp_type == IB_QPT_UD) { > if (conn_param) > ret = cma_send_sidr_rep(id_priv, IB_SIDR_SUCCESS, > @@ -3056,7 +3055,7 @@ int rdma_reject(struct rdma_cm_id *id, const void *private_data, > if (!id_priv->cm_id.ib) > return -EINVAL; > > - if (rdma_ib_or_iboe(id->device, id->port_num)) { > + if (cap_ib_cm(id->device, id->port_num)) { > if (id->qp_type == IB_QPT_UD) > ret = cma_send_sidr_rep(id_priv, IB_SIDR_REJECT, 0, > private_data, private_data_len); > @@ -3083,7 +3082,7 @@ int rdma_disconnect(struct rdma_cm_id *id) > if (!id_priv->cm_id.ib) > return -EINVAL; > > - if (rdma_ib_or_iboe(id->device, id->port_num)) { > + if (cap_ib_cm(id->device, id->port_num)) { > ret = cma_modify_qp_err(id_priv); > if (ret) > goto out; > diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c > index 70e0ccb..f7290c8 100644 > --- a/drivers/infiniband/core/ucm.c > +++ b/drivers/infiniband/core/ucm.c > @@ -1253,7 +1253,7 @@ static void ib_ucm_add_one(struct ib_device *device) > dev_t base; > struct ib_ucm_device *ucm_dev; > > - if (!device->alloc_ucontext || !rdma_ib_or_iboe(device, 1)) > + if (!device->alloc_ucontext || !cap_ib_cm(device, 1)) > return; > > ucm_dev = kzalloc(sizeof *ucm_dev, GFP_KERNEL); > diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h > index 873b9a6..6805e3e 100644 > --- a/include/rdma/ib_verbs.h > +++ b/include/rdma/ib_verbs.h > @@ -1803,6 +1803,21 @@ static inline int cap_ib_smi(struct ib_device *device, u8 port_num) > return rdma_tech_ib(device, port_num); > } > > +/** > + * cap_ib_cm - Check if the port of device has the capability Infiniband > + * Communication Manager. > + * > + * @device: Device to be checked > + * @port_num: Port number of the device > + * > + * Return 0 when port of the device don't support Infiniband > + * Communication Manager. > + */ > +static inline int cap_ib_cm(struct ib_device *device, u8 port_num) > +{ > + return rdma_ib_or_iboe(device, port_num); > +} > + > int ib_query_gid(struct ib_device *device, > u8 port_num, int index, union ib_gid *gid); > > -- > 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/