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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 C8CFCC433DF for ; Tue, 16 Jun 2020 10:46:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A476820767 for ; Tue, 16 Jun 2020 10:46:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592304387; bh=PWBw8T+Yg5YvJEDOQJefOHqDj1t96Gq39JpYBGTomjY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=o/pyn+HPhhzndSO8ENZA80/bSEjiDPn7u9fBvh7DpZvIJ5M7kmLZzucXTL6MMx9Xp HinGynkv3CT6HAos1G3zWDTtk2y+Ck24sPZsZf86+UKQe3ZCWlIcsjPq7v7pN0eM+L alAk2mFRPSd68qFFxakSf99o9SzNi8Zg3xTVvT1o= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728154AbgFPKq1 (ORCPT ); Tue, 16 Jun 2020 06:46:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:59868 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725775AbgFPKq0 (ORCPT ); Tue, 16 Jun 2020 06:46:26 -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 A17AD20734; Tue, 16 Jun 2020 10:46:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592304386; bh=PWBw8T+Yg5YvJEDOQJefOHqDj1t96Gq39JpYBGTomjY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cER0nPup6iqYPdH6BWFp5C/Ig5M2a6oGCp4Ky2xyugvv8ghRxAVhqqLv2+Ve/7xz8 RdPSb76sqejrRVkEIkpMxfwhgTr/0qzR6iV6sYNPqWGwT40p5iVPEd0mt/8by6GjTH Fw/pOJdgIKH50cj4TLYQEJ0oIfLVwYJRldtO3GOk= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Maor Gottlieb , linux-rdma@vger.kernel.org Subject: [PATCH rdma-next v2 09/11] RDMA/mlx5: Add support to get QP resource in RAW format Date: Tue, 16 Jun 2020 13:40:04 +0300 Message-Id: <20200616104006.2425549-10-leon@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200616104006.2425549-1-leon@kernel.org> References: <20200616104006.2425549-1-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: Maor Gottlieb Add a generic function that use the resource dump mechanism to get the resource data. This patch adds the support to QP. Signed-off-by: Maor Gottlieb Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/main.c | 1 + drivers/infiniband/hw/mlx5/mlx5_ib.h | 1 + drivers/infiniband/hw/mlx5/restrack.c | 77 +++++++++++++++++++++++++++ 3 files changed, 79 insertions(+) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index fa9237a10ed8..7ac75935d3c2 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -6599,6 +6599,7 @@ static const struct ib_device_ops mlx5_ib_dev_ops = { .drain_sq = mlx5_ib_drain_sq, .enable_driver = mlx5_ib_enable_driver, .fill_res_mr_entry = mlx5_ib_fill_res_mr_entry, + .fill_res_qp_entry_raw = mlx5_ib_fill_res_qp_entry_raw, .fill_stat_mr_entry = mlx5_ib_fill_stat_mr_entry, .get_dev_fw_str = get_dev_fw_str, .get_dma_mr = mlx5_ib_get_dma_mr, diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 37ead14eb317..7285c00e474d 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -1376,6 +1376,7 @@ struct mlx5_core_dev *mlx5_ib_get_native_port_mdev(struct mlx5_ib_dev *dev, void mlx5_ib_put_native_port_mdev(struct mlx5_ib_dev *dev, u8 port_num); int mlx5_ib_fill_res_mr_entry(struct sk_buff *msg, struct ib_mr *ib_mr); +int mlx5_ib_fill_res_qp_entry_raw(struct sk_buff *msg, struct ib_qp *ibqp); int mlx5_ib_fill_stat_mr_entry(struct sk_buff *msg, struct ib_mr *ib_mr); extern const struct uapi_definition mlx5_ib_devx_defs[]; diff --git a/drivers/infiniband/hw/mlx5/restrack.c b/drivers/infiniband/hw/mlx5/restrack.c index 598a09796d09..c8b91d8e0f42 100644 --- a/drivers/infiniband/hw/mlx5/restrack.c +++ b/drivers/infiniband/hw/mlx5/restrack.c @@ -4,10 +4,79 @@ */ #include +#include #include #include #include "mlx5_ib.h" +#define MAX_DUMP_SIZE 1024 + +static int dump_rsc(struct mlx5_core_dev *dev, enum mlx5_sgmt_type type, + int index, void *data, int *data_len) +{ + struct mlx5_core_dev *mdev = dev; + struct mlx5_rsc_dump_cmd *cmd; + struct mlx5_rsc_key key = {}; + struct page *page; + int offset = 0; + int err = 0; + int cmd_err; + int size; + + page = alloc_page(GFP_KERNEL); + if (!page) + return -ENOMEM; + + key.size = PAGE_SIZE; + key.rsc = type; + key.index1 = index; + key.num_of_obj1 = 1; + + cmd = mlx5_rsc_dump_cmd_create(mdev, &key); + if (IS_ERR(cmd)) { + err = PTR_ERR(cmd); + goto free_page; + } + + do { + cmd_err = mlx5_rsc_dump_next(mdev, cmd, page, &size); + if (cmd_err < 0 || size + offset > MAX_DUMP_SIZE) { + err = cmd_err; + goto destroy_cmd; + } + memcpy(data + offset, page_address(page), size); + offset += size; + } while (cmd_err > 0); + *data_len = offset; + +destroy_cmd: + mlx5_rsc_dump_cmd_destroy(cmd); +free_page: + __free_page(page); + return err; +} + +static int fill_res_raw(struct sk_buff *msg, struct mlx5_ib_dev *dev, + enum mlx5_sgmt_type type, u32 key) +{ + int len = 0; + void *data; + int err; + + data = kzalloc(MAX_DUMP_SIZE, GFP_KERNEL); + if (!data) + return -ENOMEM; + + err = dump_rsc(dev->mdev, type, key, data, &len); + if (err) + goto out; + + err = nla_put(msg, RDMA_NLDEV_ATTR_RES_RAW, len, data); +out: + kfree(data); + return err; +} + int mlx5_ib_fill_stat_mr_entry(struct sk_buff *msg, struct ib_mr *ibmr) { @@ -68,3 +137,11 @@ int mlx5_ib_fill_res_mr_entry(struct sk_buff *msg, nla_nest_cancel(msg, table_attr); return -EMSGSIZE; } + +int mlx5_ib_fill_res_qp_entry_raw(struct sk_buff *msg, struct ib_qp *ibqp) +{ + struct mlx5_ib_dev *dev = to_mdev(ibqp->device); + + return fill_res_raw(msg, dev, MLX5_SGMT_TYPE_PRM_QUERY_QP, + ibqp->qp_num); +} -- 2.26.2