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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 B73CBC47420 for ; Thu, 1 Oct 2020 07:26:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5AEDC21481 for ; Thu, 1 Oct 2020 07:26:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=cloud.ionos.com header.i=@cloud.ionos.com header.b="HMB3bWup" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731248AbgJAH0n (ORCPT ); Thu, 1 Oct 2020 03:26:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49204 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725878AbgJAH0m (ORCPT ); Thu, 1 Oct 2020 03:26:42 -0400 Received: from mail-ed1-x544.google.com (mail-ed1-x544.google.com [IPv6:2a00:1450:4864:20::544]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EA3ABC0613E2 for ; Thu, 1 Oct 2020 00:26:40 -0700 (PDT) Received: by mail-ed1-x544.google.com with SMTP id g3so223575edu.6 for ; Thu, 01 Oct 2020 00:26:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloud.ionos.com; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=+ZKtKXKnlI9OQcR2INMab6gGaMD1rqgWs4v7ImAsS28=; b=HMB3bWupFtyFqFrornu8LUPR+eKE69dlVbICTJOY/SqNpN9xiYB9o2yv7Dyv2mTPG7 i+x+eA1ISs5n2Kdg19TcVbecjGO9xtOPQ8mB4bKmOs/2TxZHCw+qb5n+nX3i9uAkUOsz wRHKepAKszXXpvWU1Unj958sPuv9hyUurzV+6qvDxRzUqNXezxDbGZbAsuV+fQdmCU9g NEHtqSC0fZ/OwZy9spmtR8K616SlJdzqB8CdnfjFXVF1ovF6AlB1EdmQgOfDfvg9F9PG ZMfTszWQeX9dv7DxB8cwt+4HlnepN6xH9pH8X25lr/koji5cJVuKRKPshDcrZgL/FHBh u0bw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=+ZKtKXKnlI9OQcR2INMab6gGaMD1rqgWs4v7ImAsS28=; b=U0GnaKciXCb2NE7KfmkmYk5nR3CEj3EW7ZnFJZhzXhpMZBgPE+uyQu6BzKzwgmPQ5m 93bqDnQ1iHkpn5s1/Q7aMPZnav+cpJ6yRkCct8MrujwiDtif7DksgnF7Pkpw1ScxfZxt Rp/lvNILYJjbdkSQHR1AErzonJYU4kpSYz+aHxFUly9vZSiE9zgd8mH5QONQ7K5EGOlX QUorqeS9/Z5X4Ns3X8AXFSw+UTnl7W0ZXz0K25AThwhSclGTlrWIUYPPirSjCSAA4XDW jowIxdHiQMC5AVVqjNtmLZQuhd+AWeFO25C5/d9Br+7U3FI5R/NFYlJFd7zoaI3sJTdX LPyg== X-Gm-Message-State: AOAM533vjYolorvEKMb7YNYGfq8ynp/FamX28M+70s64Ueb5ivGDZEe3 8vlxCo7r7dAd7gye1kBvohcpvr6kEclXCg== X-Google-Smtp-Source: ABdhPJxyKpDexrlR5gMm/WeckDH1ZOsNlTfR/gExRTc2c1FoTc2vsFAzyR5/OatKyVjOnxHleBRPuw== X-Received: by 2002:a50:ee10:: with SMTP id g16mr7114902eds.258.1601537199589; Thu, 01 Oct 2020 00:26:39 -0700 (PDT) Received: from gkim-laptop.pb.local ([2001:1438:4010:2558:4cea:8c37:1548:493c]) by smtp.googlemail.com with ESMTPSA id jr9sm3436230ejb.87.2020.10.01.00.26.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 00:26:39 -0700 (PDT) From: Gioh Kim X-Google-Original-From: Gioh Kim To: danil.kipnis@cloud.ionos.com, jinpu.wang@cloud.ionos.com Cc: linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, Gioh Kim Subject: [PATCH 1/2] RDMA/rtrs: remove unnecessary argument dir of rtrs_iu_free Date: Thu, 1 Oct 2020 09:26:37 +0200 Message-Id: <20201001072637.16121-1-gi-oh.kim@clous.ionos.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Gioh Kim The direction of DMA operation is already in the rtrs_iu. Signed-off-by: Gioh Kim --- drivers/infiniband/ulp/rtrs/rtrs-clt.c | 14 ++++++-------- drivers/infiniband/ulp/rtrs/rtrs-pri.h | 3 +-- drivers/infiniband/ulp/rtrs/rtrs-srv.c | 14 ++++++-------- drivers/infiniband/ulp/rtrs/rtrs.c | 10 +++++----- 4 files changed, 18 insertions(+), 23 deletions(-) diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c index 776e89231c52..7af5f1559451 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c @@ -1236,8 +1236,7 @@ static void free_sess_reqs(struct rtrs_clt_sess *sess) if (req->mr) ib_dereg_mr(req->mr); kfree(req->sge); - rtrs_iu_free(req->iu, DMA_TO_DEVICE, - sess->s.dev->ib_dev, 1); + rtrs_iu_free(req->iu, sess->s.dev->ib_dev, 1); } kfree(sess->reqs); sess->reqs = NULL; @@ -1605,8 +1604,7 @@ static void destroy_con_cq_qp(struct rtrs_clt_con *con) rtrs_cq_qp_destroy(&con->c); if (con->rsp_ius) { - rtrs_iu_free(con->rsp_ius, DMA_FROM_DEVICE, - sess->s.dev->ib_dev, con->queue_size); + rtrs_iu_free(con->rsp_ius, sess->s.dev->ib_dev, con->queue_size); con->rsp_ius = NULL; con->queue_size = 0; } @@ -2245,7 +2243,7 @@ static void rtrs_clt_info_req_done(struct ib_cq *cq, struct ib_wc *wc) struct rtrs_iu *iu; iu = container_of(wc->wr_cqe, struct rtrs_iu, cqe); - rtrs_iu_free(iu, DMA_TO_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(iu, sess->s.dev->ib_dev, 1); if (unlikely(wc->status != IB_WC_SUCCESS)) { rtrs_err(sess->clt, "Sess info request send failed: %s\n", @@ -2374,7 +2372,7 @@ static void rtrs_clt_info_rsp_done(struct ib_cq *cq, struct ib_wc *wc) out: rtrs_clt_update_wc_stats(con); - rtrs_iu_free(iu, DMA_FROM_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(iu, sess->s.dev->ib_dev, 1); rtrs_clt_change_state(sess, state); } @@ -2436,9 +2434,9 @@ static int rtrs_send_sess_info(struct rtrs_clt_sess *sess) out: if (tx_iu) - rtrs_iu_free(tx_iu, DMA_TO_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(tx_iu, sess->s.dev->ib_dev, 1); if (rx_iu) - rtrs_iu_free(rx_iu, DMA_FROM_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(rx_iu, sess->s.dev->ib_dev, 1); if (unlikely(err)) /* If we've never taken async path because of malloc problems */ rtrs_clt_change_state(sess, RTRS_CLT_CONNECTING_ERR); diff --git a/drivers/infiniband/ulp/rtrs/rtrs-pri.h b/drivers/infiniband/ulp/rtrs/rtrs-pri.h index 0a93c87ef92b..63b128c6eb04 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-pri.h +++ b/drivers/infiniband/ulp/rtrs/rtrs-pri.h @@ -288,8 +288,7 @@ struct rtrs_msg_rdma_hdr { struct rtrs_iu *rtrs_iu_alloc(u32 queue_size, size_t size, gfp_t t, struct ib_device *dev, enum dma_data_direction, void (*done)(struct ib_cq *cq, struct ib_wc *wc)); -void rtrs_iu_free(struct rtrs_iu *iu, enum dma_data_direction dir, - struct ib_device *dev, u32 queue_size); +void rtrs_iu_free(struct rtrs_iu *iu, struct ib_device *dev, u32 queue_size); int rtrs_iu_post_recv(struct rtrs_con *con, struct rtrs_iu *iu); int rtrs_iu_post_send(struct rtrs_con *con, struct rtrs_iu *iu, size_t size, struct ib_send_wr *head); diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c index a219bd1bdbc2..b8763fe9152f 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c @@ -575,8 +575,7 @@ static void unmap_cont_bufs(struct rtrs_srv_sess *sess) struct rtrs_srv_mr *srv_mr; srv_mr = &sess->mrs[i]; - rtrs_iu_free(srv_mr->iu, DMA_TO_DEVICE, - sess->s.dev->ib_dev, 1); + rtrs_iu_free(srv_mr->iu, sess->s.dev->ib_dev, 1); ib_dereg_mr(srv_mr->mr); ib_dma_unmap_sg(sess->s.dev->ib_dev, srv_mr->sgt.sgl, srv_mr->sgt.nents, DMA_BIDIRECTIONAL); @@ -680,8 +679,7 @@ static int map_cont_bufs(struct rtrs_srv_sess *sess) sgt = &srv_mr->sgt; mr = srv_mr->mr; free_iu: - rtrs_iu_free(srv_mr->iu, DMA_TO_DEVICE, - sess->s.dev->ib_dev, 1); + rtrs_iu_free(srv_mr->iu, sess->s.dev->ib_dev, 1); dereg_mr: ib_dereg_mr(mr); unmap_sg: @@ -733,7 +731,7 @@ static void rtrs_srv_info_rsp_done(struct ib_cq *cq, struct ib_wc *wc) struct rtrs_iu *iu; iu = container_of(wc->wr_cqe, struct rtrs_iu, cqe); - rtrs_iu_free(iu, DMA_TO_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(iu, sess->s.dev->ib_dev, 1); if (unlikely(wc->status != IB_WC_SUCCESS)) { rtrs_err(s, "Sess info response send failed: %s\n", @@ -859,7 +857,7 @@ static int process_info_req(struct rtrs_srv_con *con, if (unlikely(err)) { rtrs_err(s, "rtrs_iu_post_send(), err: %d\n", err); iu_free: - rtrs_iu_free(tx_iu, DMA_TO_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(tx_iu, sess->s.dev->ib_dev, 1); } rwr_free: kfree(rwr); @@ -904,7 +902,7 @@ static void rtrs_srv_info_req_done(struct ib_cq *cq, struct ib_wc *wc) goto close; out: - rtrs_iu_free(iu, DMA_FROM_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(iu, sess->s.dev->ib_dev, 1); return; close: close_sess(sess); @@ -927,7 +925,7 @@ static int post_recv_info_req(struct rtrs_srv_con *con) err = rtrs_iu_post_recv(&con->c, rx_iu); if (unlikely(err)) { rtrs_err(s, "rtrs_iu_post_recv(), err: %d\n", err); - rtrs_iu_free(rx_iu, DMA_FROM_DEVICE, sess->s.dev->ib_dev, 1); + rtrs_iu_free(rx_iu, sess->s.dev->ib_dev, 1); return err; } diff --git a/drivers/infiniband/ulp/rtrs/rtrs.c b/drivers/infiniband/ulp/rtrs/rtrs.c index ff1093d6e4bc..5163e662f86f 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs.c +++ b/drivers/infiniband/ulp/rtrs/rtrs.c @@ -31,6 +31,8 @@ struct rtrs_iu *rtrs_iu_alloc(u32 queue_size, size_t size, gfp_t gfp_mask, return NULL; for (i = 0; i < queue_size; i++) { iu = &ius[i]; + iu->direction = dir; + iu->buf = kzalloc(size, gfp_mask); if (!iu->buf) goto err; @@ -41,17 +43,15 @@ struct rtrs_iu *rtrs_iu_alloc(u32 queue_size, size_t size, gfp_t gfp_mask, iu->cqe.done = done; iu->size = size; - iu->direction = dir; } return ius; err: - rtrs_iu_free(ius, dir, dma_dev, i); + rtrs_iu_free(ius, dma_dev, i); return NULL; } EXPORT_SYMBOL_GPL(rtrs_iu_alloc); -void rtrs_iu_free(struct rtrs_iu *ius, enum dma_data_direction dir, - struct ib_device *ibdev, u32 queue_size) +void rtrs_iu_free(struct rtrs_iu *ius, struct ib_device *ibdev, u32 queue_size) { struct rtrs_iu *iu; int i; @@ -61,7 +61,7 @@ void rtrs_iu_free(struct rtrs_iu *ius, enum dma_data_direction dir, for (i = 0; i < queue_size; i++) { iu = &ius[i]; - ib_dma_unmap_single(ibdev, iu->dma_addr, iu->size, dir); + ib_dma_unmap_single(ibdev, iu->dma_addr, iu->size, iu->direction); kfree(iu->buf); } kfree(ius); -- 2.20.1