From patchwork Wed Jan 6 18:15:00 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dennis Dalessandro X-Patchwork-Id: 7969771 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E59FB9F32E for ; Wed, 6 Jan 2016 18:15:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2D1B720142 for ; Wed, 6 Jan 2016 18:15:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3BB6720123 for ; Wed, 6 Jan 2016 18:15:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751966AbcAFSPV (ORCPT ); Wed, 6 Jan 2016 13:15:21 -0500 Received: from mga09.intel.com ([134.134.136.24]:22019 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751863AbcAFSPV (ORCPT ); Wed, 6 Jan 2016 13:15:21 -0500 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga102.jf.intel.com with ESMTP; 06 Jan 2016 10:15:02 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,530,1444719600"; d="scan'208";a="721447100" Received: from scymds02.sc.intel.com ([10.82.195.37]) by orsmga003.jf.intel.com with ESMTP; 06 Jan 2016 10:15:01 -0800 Received: from scvm10.sc.intel.com (scvm10.sc.intel.com [10.82.195.27]) by scymds02.sc.intel.com with ESMTP id u06IF0Zc024728; Wed, 6 Jan 2016 10:15:00 -0800 Received: from scvm10.sc.intel.com (localhost [127.0.0.1]) by scvm10.sc.intel.com with ESMTP id u06IF05R004249; Wed, 6 Jan 2016 10:15:00 -0800 Subject: [PATCH 1/6] IB/rdmavt: Add IB user context allocation and de-alloction functions To: dledford@redhat.com From: Dennis Dalessandro Cc: linux-rdma@vger.kernel.org, Harish Chegondi , Ira Weiny Date: Wed, 06 Jan 2016 10:15:00 -0800 Message-ID: <20160106181500.3238.75268.stgit@scvm10.sc.intel.com> In-Reply-To: <20160106181226.3238.98769.stgit@scvm10.sc.intel.com> References: <20160106181226.3238.98769.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=unavailable 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 From: Harish Chegondi Adding IB user context alloc and dealloc functions to rdmavt so that the drivers that use rdmavt can use these functions instead of defining their own functions. Reviewed-by: Ira Weiny Signed-off-by: Harish Chegondi --- drivers/infiniband/sw/rdmavt/vt.c | 20 ++++++++++++++++++-- 1 files changed, 18 insertions(+), 2 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/vt.c b/drivers/infiniband/sw/rdmavt/vt.c index 18b5f43..df2df36 100644 --- a/drivers/infiniband/sw/rdmavt/vt.c +++ b/drivers/infiniband/sw/rdmavt/vt.c @@ -189,6 +189,16 @@ static int rvt_query_gid(struct ib_device *ibdev, u8 port, return -EOPNOTSUPP; } +struct rvt_ucontext { + struct ib_ucontext ibucontext; +}; + +static inline struct rvt_ucontext *to_iucontext(struct ib_ucontext + *ibucontext) +{ + return container_of(ibucontext, struct rvt_ucontext, ibucontext); +} + /** * rvt_alloc_ucontext - Allocate a user context * @ibdev: Vers IB dev @@ -197,7 +207,12 @@ static int rvt_query_gid(struct ib_device *ibdev, u8 port, static struct ib_ucontext *rvt_alloc_ucontext(struct ib_device *ibdev, struct ib_udata *udata) { - return ERR_PTR(-EOPNOTSUPP); + struct rvt_ucontext *context; + + context = kmalloc(sizeof(*context), GFP_KERNEL); + if (!context) + return ERR_PTR(-ENOMEM); + return &context->ibucontext; } /** @@ -206,7 +221,8 @@ static struct ib_ucontext *rvt_alloc_ucontext(struct ib_device *ibdev, */ static int rvt_dealloc_ucontext(struct ib_ucontext *context) { - return -EOPNOTSUPP; + kfree(to_iucontext(context)); + return 0; } static int rvt_get_port_immutable(struct ib_device *ibdev, u8 port_num,