From patchwork Wed Jan 6 18:04:23 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dennis Dalessandro X-Patchwork-Id: 7969551 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E9EE5BEEE5 for ; Wed, 6 Jan 2016 18:04:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 196C02011E for ; Wed, 6 Jan 2016 18:04:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2A86320122 for ; Wed, 6 Jan 2016 18:04:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751582AbcAFSE0 (ORCPT ); Wed, 6 Jan 2016 13:04:26 -0500 Received: from mga04.intel.com ([192.55.52.120]:48114 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752359AbcAFSEY (ORCPT ); Wed, 6 Jan 2016 13:04:24 -0500 Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga104.fm.intel.com with ESMTP; 06 Jan 2016 10:04:23 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,530,1444719600"; d="scan'208";a="629024072" Received: from scymds02.sc.intel.com ([10.82.195.37]) by FMSMGA003.fm.intel.com with ESMTP; 06 Jan 2016 10:04:24 -0800 Received: from scvm10.sc.intel.com (scvm10.sc.intel.com [10.82.195.27]) by scymds02.sc.intel.com with ESMTP id u06I4NK8031723; Wed, 6 Jan 2016 10:04:23 -0800 Received: from scvm10.sc.intel.com (localhost [127.0.0.1]) by scvm10.sc.intel.com with ESMTP id u06I4NN6015367; Wed, 6 Jan 2016 10:04:23 -0800 Subject: [PATCH v3 32/36] IB/rdmavt: Add driver notification for new AH To: dledford@redhat.com From: Dennis Dalessandro Cc: linux-rdma@vger.kernel.org, Harish Chegondi , Mike Marciniszyn , Ira Weiny Date: Wed, 06 Jan 2016 10:04:23 -0800 Message-ID: <20160106180418.8747.56232.stgit@scvm10.sc.intel.com> In-Reply-To: <20160106174638.8747.47197.stgit@scvm10.sc.intel.com> References: <20160106174638.8747.47197.stgit@scvm10.sc.intel.com> User-Agent: StGit/0.16 MIME-Version: 1.0 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Drivers may need to do some work once an address handle has been created. Add a driver function for this purpose. Reviewed-by: Ira Weiny Reviewed-by: Mike Marciniszyn Reviewed-by: Harish Chegondi Signed-off-by: Dennis Dalessandro --- drivers/infiniband/sw/rdmavt/ah.c | 7 +++++- include/rdma/rdma_vt.h | 41 +++++++++++++++++++++++-------------- 2 files changed, 30 insertions(+), 18 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/infiniband/sw/rdmavt/ah.c b/drivers/infiniband/sw/rdmavt/ah.c index 2519db9..621afc3 100644 --- a/drivers/infiniband/sw/rdmavt/ah.c +++ b/drivers/infiniband/sw/rdmavt/ah.c @@ -83,8 +83,8 @@ int rvt_check_ah(struct ib_device *ibdev, !(ah_attr->ah_flags & IB_AH_GRH)) return -EINVAL; } - if (rdi->driver_f.check_ah(ibdev, ah_attr)) - return -EINVAL; + if (rdi->driver_f.check_ah) + return rdi->driver_f.check_ah(ibdev, ah_attr); return 0; } EXPORT_SYMBOL(rvt_check_ah); @@ -123,6 +123,9 @@ struct ib_ah *rvt_create_ah(struct ib_pd *pd, ah->attr = *ah_attr; atomic_set(&ah->refcount, 0); + if (dev->driver_f.notify_new_ah) + dev->driver_f.notify_new_ah(pd->device, ah_attr, ah); + return &ah->ibah; } diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h index a3d6a5b..ef66d2b 100644 --- a/include/rdma/rdma_vt.h +++ b/include/rdma/rdma_vt.h @@ -467,9 +467,21 @@ struct rvt_driver_params { int nports; }; -/* - * Functions that drivers are required to support - */ +/* Protection domain */ +struct rvt_pd { + struct ib_pd ibpd; + int user; /* non-zero if created from user space */ +}; + +/* Address handle */ +struct rvt_ah { + struct ib_ah ibah; + struct ib_ah_attr attr; + atomic_t refcount; + u8 vl; + u8 log_pmtu; +}; + struct rvt_dev_info; struct rvt_driver_provided { /* @@ -478,23 +490,20 @@ struct rvt_driver_provided { * instead drivers are responsible for setting the correct callback for * this. */ + + /* -------------------*/ + /* Required functions */ + /* -------------------*/ int (*port_callback)(struct ib_device *, u8, struct kobject *); const char * (*get_card_name)(struct rvt_dev_info *rdi); struct pci_dev * (*get_pci_dev)(struct rvt_dev_info *rdi); - int (*check_ah)(struct ib_device *, struct ib_ah_attr *); -}; -/* Protection domain */ -struct rvt_pd { - struct ib_pd ibpd; - int user; /* non-zero if created from user space */ -}; - -/* Address handle */ -struct rvt_ah { - struct ib_ah ibah; - struct ib_ah_attr attr; - atomic_t refcount; + /*--------------------*/ + /* Optional functions */ + /*--------------------*/ + int (*check_ah)(struct ib_device *, struct ib_ah_attr *); + void (*notify_new_ah)(struct ib_device *, struct ib_ah_attr *, + struct rvt_ah *); }; struct rvt_dev_info {