From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DBCC3C433E6 for ; Sun, 30 Aug 2020 08:40:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BB1562098B for ; Sun, 30 Aug 2020 08:40:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598776856; bh=MLx6OPSmCNGzWVCrCmjkb//h0dzcDikeIuEsGxYGkIs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=RCg6XzK1Xp/tSDf6bvsKdqLq5ou43iPHoV1472z1snCTR7RRXVE1rwbNdlsl1OsIX xIlqwp4CXBFcOZk043xS1+zJZqKOIZlF7Uy43Ow1LBxEBdfDwjkEiztjDTuMo8fS8v 0cGz/lDmN0tLFJu5SNlDBV33YYGdxz98Y7QnD0VI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726984AbgH3Ikx (ORCPT ); Sun, 30 Aug 2020 04:40:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:44906 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726013AbgH3Ikp (ORCPT ); Sun, 30 Aug 2020 04:40:45 -0400 Received: from localhost (unknown [213.57.247.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9B72F20BED; Sun, 30 Aug 2020 08:40:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598776844; bh=MLx6OPSmCNGzWVCrCmjkb//h0dzcDikeIuEsGxYGkIs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GB/d0QLvKEBcDulkJpGe27dLrOEZa0y4KMGfLSur9ZeZOkOq8qieuIu30uR1ju/e/ 6n+7BWrxpWWrl8vJgoG5DfmHviMxgxbh9cM0pAkA7buE5IV+R+XqTFkFjAEzm4Gw9o QFqcbYQAKcti1HlqDAnFL0ACbFRaTUu/FwC7wnyQ= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Leon Romanovsky , linux-rdma@vger.kernel.org, Yishai Hadas Subject: [PATCH rdma-next v1 08/10] RDMA: Change XRCD destroy return value Date: Sun, 30 Aug 2020 11:40:08 +0300 Message-Id: <20200830084010.102381-9-leon@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200830084010.102381-1-leon@kernel.org> References: <20200830084010.102381-1-leon@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Leon Romanovsky Update XRCD destroy flow to allow command failure. Fixes: 28ad5f65c314 ("RDMA: Move XRCD to be under ib_core responsibility") Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/verbs.c | 8 ++++++-- drivers/infiniband/hw/mlx4/main.c | 3 ++- drivers/infiniband/hw/mlx5/mlx5_ib.h | 2 +- drivers/infiniband/hw/mlx5/qp.c | 4 ++-- include/rdma/ib_verbs.h | 2 +- 5 files changed, 12 insertions(+), 7 deletions(-) diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 80154be9390a..0dec1c8d6744 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -2345,13 +2345,17 @@ EXPORT_SYMBOL(ib_alloc_xrcd_user); */ int ib_dealloc_xrcd_user(struct ib_xrcd *xrcd, struct ib_udata *udata) { + int ret; + if (atomic_read(&xrcd->usecnt)) return -EBUSY; WARN_ON(!xa_empty(&xrcd->tgt_qps)); - xrcd->device->ops.dealloc_xrcd(xrcd, udata); + ret = xrcd->device->ops.dealloc_xrcd(xrcd, udata); + if (ret && udata) + return ret; kfree(xrcd); - return 0; + return ret; } EXPORT_SYMBOL(ib_dealloc_xrcd_user); diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 1be0108db992..8e1e3b8a5a0d 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -1256,11 +1256,12 @@ static int mlx4_ib_alloc_xrcd(struct ib_xrcd *ibxrcd, struct ib_udata *udata) return err; } -static void mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) +static int mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) { ib_destroy_cq(to_mxrcd(xrcd)->cq); ib_dealloc_pd(to_mxrcd(xrcd)->pd); mlx4_xrcd_free(to_mdev(xrcd->device)->dev, to_mxrcd(xrcd)->xrcdn); + return 0; } static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid) diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 0a65f7ba40c4..041f9d1d696b 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -1196,7 +1196,7 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, const struct ib_mad *in, struct ib_mad *out, size_t *out_mad_size, u16 *out_mad_pkey_index); int mlx5_ib_alloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata); -void mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata); +int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata); int mlx5_ib_get_buf_offset(u64 addr, int page_shift, u32 *offset); int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port); int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev, diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 98abb8606f0e..fea837cb2ec4 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -4745,12 +4745,12 @@ int mlx5_ib_alloc_xrcd(struct ib_xrcd *ibxrcd, struct ib_udata *udata) return mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); } -void mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) +int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) { struct mlx5_ib_dev *dev = to_mdev(xrcd->device); u32 xrcdn = to_mxrcd(xrcd)->xrcdn; - mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); + return mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); } static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 335189bddbef..1161e18d948a 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -2458,7 +2458,7 @@ struct ib_device_ops { int (*attach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid); int (*detach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid); int (*alloc_xrcd)(struct ib_xrcd *xrcd, struct ib_udata *udata); - void (*dealloc_xrcd)(struct ib_xrcd *xrcd, struct ib_udata *udata); + int (*dealloc_xrcd)(struct ib_xrcd *xrcd, struct ib_udata *udata); struct ib_flow *(*create_flow)(struct ib_qp *qp, struct ib_flow_attr *flow_attr, struct ib_udata *udata); -- 2.26.2