From patchwork Mon Sep 18 13:11:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Junxian Huang X-Patchwork-Id: 13390136 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1029FCD13D2 for ; Mon, 18 Sep 2023 16:56:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230264AbjIRQ4s (ORCPT ); Mon, 18 Sep 2023 12:56:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46734 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231180AbjIRQ4p (ORCPT ); Mon, 18 Sep 2023 12:56:45 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4DA3F9D; Mon, 18 Sep 2023 09:56:39 -0700 (PDT) Received: from kwepemi500006.china.huawei.com (unknown [172.30.72.57]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4Rq4tN1qJgzMl74; Mon, 18 Sep 2023 21:11:08 +0800 (CST) Received: from localhost.localdomain (10.67.165.2) by kwepemi500006.china.huawei.com (7.221.188.68) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Mon, 18 Sep 2023 21:14:40 +0800 From: Junxian Huang To: , CC: , , , Subject: [PATCH RFC] rdma: Add support to dump SRQ resource in raw format Date: Mon, 18 Sep 2023 21:11:40 +0800 Message-ID: <20230918131140.4037213-1-huangjunxian6@hisilicon.com> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 X-Originating-IP: [10.67.165.2] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemi500006.china.huawei.com (7.221.188.68) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: wenglianfa Add support to dump SRQ resource in raw format. This patch relies on the corresponding kernel patch: RDMA/core: Add support to dump SRQ resource in RAW format Example: $ rdma res show srq -r dev hns3 149000... $ rdma res show srq -j -r [{"ifindex":0,"ifname":"hns3","data":[149,0,0,...]}] Signed-off-by: wenglianfa --- rdma/include/uapi/rdma/rdma_netlink.h | 2 ++ rdma/res-srq.c | 17 ++++++++++++++++- rdma/res.h | 2 ++ 3 files changed, 20 insertions(+), 1 deletion(-) diff --git a/rdma/include/uapi/rdma/rdma_netlink.h b/rdma/include/uapi/rdma/rdma_netlink.h index 92c528a0..84f775be 100644 --- a/rdma/include/uapi/rdma/rdma_netlink.h +++ b/rdma/include/uapi/rdma/rdma_netlink.h @@ -299,6 +299,8 @@ enum rdma_nldev_command { RDMA_NLDEV_CMD_STAT_GET_STATUS, + RDMA_NLDEV_CMD_RES_SRQ_GET_RAW, + RDMA_NLDEV_NUM_OPS }; diff --git a/rdma/res-srq.c b/rdma/res-srq.c index 186ae281..d2581a3f 100644 --- a/rdma/res-srq.c +++ b/rdma/res-srq.c @@ -162,6 +162,20 @@ out: return -EINVAL; } +static int res_srq_line_raw(struct rd *rd, const char *name, int idx, + struct nlattr **nla_line) +{ + if (!nla_line[RDMA_NLDEV_ATTR_RES_RAW]) + return MNL_CB_ERROR; + + open_json_object(NULL); + print_dev(rd, idx, name); + print_raw_data(rd, nla_line); + newline(rd); + + return MNL_CB_OK; +} + static int res_srq_line(struct rd *rd, const char *name, int idx, struct nlattr **nla_line) { @@ -276,7 +290,8 @@ int res_srq_parse_cb(const struct nlmsghdr *nlh, void *data) if (ret != MNL_CB_OK) break; - ret = res_srq_line(rd, name, idx, nla_line); + ret = (rd->show_raw) ? res_srq_line_raw(rd, name, idx, nla_line) : + res_srq_line(rd, name, idx, nla_line); if (ret != MNL_CB_OK) break; } diff --git a/rdma/res.h b/rdma/res.h index 70e51acd..e880c28b 100644 --- a/rdma/res.h +++ b/rdma/res.h @@ -39,6 +39,8 @@ static inline uint32_t res_get_command(uint32_t command, struct rd *rd) return RDMA_NLDEV_CMD_RES_CQ_GET_RAW; case RDMA_NLDEV_CMD_RES_MR_GET: return RDMA_NLDEV_CMD_RES_MR_GET_RAW; + case RDMA_NLDEV_CMD_RES_SRQ_GET: + return RDMA_NLDEV_CMD_RES_SRQ_GET_RAW; default: return command; }