From patchwork Tue Jan 17 17:25:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bob Pearson X-Patchwork-Id: 13104929 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 919ECC54E76 for ; Tue, 17 Jan 2023 17:32:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232754AbjAQRch (ORCPT ); Tue, 17 Jan 2023 12:32:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235320AbjAQR2S (ORCPT ); Tue, 17 Jan 2023 12:28:18 -0500 Received: from mail-oa1-x2a.google.com (mail-oa1-x2a.google.com [IPv6:2001:4860:4864:20::2a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 343AE49002 for ; Tue, 17 Jan 2023 09:27:02 -0800 (PST) Received: by mail-oa1-x2a.google.com with SMTP id 586e51a60fabf-15eec491b40so11753678fac.12 for ; Tue, 17 Jan 2023 09:27:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=MSc+ZeVhmJVAyrOad5GEnPdKs11Mmr6EK22kGWHehxY=; b=S0jxHlN9znCy3t3w9k126stS5Ohj1zO7XikB/+mF9v9N1ni0RX/s2imK5pOv5pjjJ1 /C4Ri9B4laSdmpaWSzakHNHqcIhqwyzo4IQuUddun6384CfxWWexoz/cL79zUtxFrzl0 /Yie/qXYLFoXBJIZSXwhAV3gkdm7J9LUGsfLcqaa6pw8J9KYmxRRmtEsJAIzplUY8abW WJD9rAkJ2YdNCrsYuVeo5kexn1J9eDFEwAH61jH7W5lh5IKQ67MK9KJMUecYX+Ewhe63 X5WJVISZtLTx939lB4XELV3C/7u1WyCvZaTfyjxFb2yZXp/hnTMY/+KtzP7qhcgl+gxp nR4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=MSc+ZeVhmJVAyrOad5GEnPdKs11Mmr6EK22kGWHehxY=; b=xaHcwHmvAYLJwuhKorYuibXdG7Pih05r1rRHlyKBZUT23IeBcohIwP80oMBYcN5uL1 cSa0byka5qVu4bpqZrGv+pqS3mC6h/d26b5izVtInKN+Dm0DFQZDtx71LVGzQGiQoN7E t+2RMLKcOlyLdHy+vtdTEeeUx4/adnXXbnCf64HmmNj2bgtmv3aug8LuCj2aBjZoxWA/ gZ5TxXi98q9TJyofRfeFE32wMbg+krG1tkKFLT7Ei023itgHhUEUGTdOZ0RKaySNyV0C ZEZWGWa4PoqIMo342PtNJpIz/Xm/RFx2ub07O2qShX2V/HUaXUL7cUp8aaWP6QEe6fLS hdqg== X-Gm-Message-State: AFqh2kreM7WxJ23C7SjlFhaGgO6kO1bMzyBty/bkvFj0fSoewXXpITF7 2H94O1Ib/0bZpKUYTaF+VRY= X-Google-Smtp-Source: AMrXdXsWkvap8bkP/77/M7cK5O3ijVXC1L6iPZpencWvlgxmbfchGQI75cMxJl5gB8Edsa7wvRUjcg== X-Received: by 2002:a05:6870:44c7:b0:150:329c:84f0 with SMTP id t7-20020a05687044c700b00150329c84f0mr2379365oai.45.1673976421993; Tue, 17 Jan 2023 09:27:01 -0800 (PST) Received: from rpearson-X570-AORUS-PRO-WIFI.tx.rr.com (2603-8081-140c-1a00-ea18-3ee9-26d1-7526.res6.spectrum.com. [2603:8081:140c:1a00:ea18:3ee9:26d1:7526]) by smtp.gmail.com with ESMTPSA id l3-20020a056870218300b00152c52608dbsm16936489oae.34.2023.01.17.09.27.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Jan 2023 09:27:01 -0800 (PST) From: Bob Pearson To: jgg@nvidia.com, zyjzyj2000@gmail.com, leonro@nvidia.com, yangx.jy@fujitsu.com, linux-rdma@vger.kernel.org Cc: Bob Pearson Subject: [PATCH for-next v6 2/6] RDMA/rxe: Move rxe_map_mr_sg to rxe_mr.c Date: Tue, 17 Jan 2023 11:25:37 -0600 Message-Id: <20230117172540.33205-3-rpearsonhpe@gmail.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230117172540.33205-1-rpearsonhpe@gmail.com> References: <20230117172540.33205-1-rpearsonhpe@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Move rxe_map_mr_sg() to rxe_mr.c where it makes a little more sense. Signed-off-by: Bob Pearson --- drivers/infiniband/sw/rxe/rxe_loc.h | 2 ++ drivers/infiniband/sw/rxe/rxe_mr.c | 36 +++++++++++++++++++++++++++ drivers/infiniband/sw/rxe/rxe_verbs.c | 36 --------------------------- 3 files changed, 38 insertions(+), 36 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h b/drivers/infiniband/sw/rxe/rxe_loc.h index 948ce4902b10..29b6c2143045 100644 --- a/drivers/infiniband/sw/rxe/rxe_loc.h +++ b/drivers/infiniband/sw/rxe/rxe_loc.h @@ -69,6 +69,8 @@ int rxe_mr_copy(struct rxe_mr *mr, u64 iova, void *addr, int length, enum rxe_mr_copy_dir dir); int copy_data(struct rxe_pd *pd, int access, struct rxe_dma_info *dma, void *addr, int length, enum rxe_mr_copy_dir dir); +int rxe_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, + int sg_nents, unsigned int *sg_offset); void *iova_to_vaddr(struct rxe_mr *mr, u64 iova, int length); struct rxe_mr *lookup_mr(struct rxe_pd *pd, int access, u32 key, enum rxe_mr_lookup_type type); diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c index 632ee1e516a1..229c7259644c 100644 --- a/drivers/infiniband/sw/rxe/rxe_mr.c +++ b/drivers/infiniband/sw/rxe/rxe_mr.c @@ -223,6 +223,42 @@ int rxe_mr_init_fast(int max_pages, struct rxe_mr *mr) return err; } +static int rxe_set_page(struct ib_mr *ibmr, u64 addr) +{ + struct rxe_mr *mr = to_rmr(ibmr); + struct rxe_map *map; + struct rxe_phys_buf *buf; + + if (unlikely(mr->nbuf == mr->num_buf)) + return -ENOMEM; + + map = mr->map[mr->nbuf / RXE_BUF_PER_MAP]; + buf = &map->buf[mr->nbuf % RXE_BUF_PER_MAP]; + + buf->addr = addr; + buf->size = ibmr->page_size; + mr->nbuf++; + + return 0; +} + +int rxe_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, + int sg_nents, unsigned int *sg_offset) +{ + struct rxe_mr *mr = to_rmr(ibmr); + int n; + + mr->nbuf = 0; + + n = ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, rxe_set_page); + + mr->page_shift = ilog2(ibmr->page_size); + mr->page_mask = ibmr->page_size - 1; + mr->offset = ibmr->iova & mr->page_mask; + + return n; +} + static void lookup_iova(struct rxe_mr *mr, u64 iova, int *m_out, int *n_out, size_t *offset_out) { diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index 025b35bf014e..7a902e0a0607 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -948,42 +948,6 @@ static struct ib_mr *rxe_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type, return ERR_PTR(err); } -static int rxe_set_page(struct ib_mr *ibmr, u64 addr) -{ - struct rxe_mr *mr = to_rmr(ibmr); - struct rxe_map *map; - struct rxe_phys_buf *buf; - - if (unlikely(mr->nbuf == mr->num_buf)) - return -ENOMEM; - - map = mr->map[mr->nbuf / RXE_BUF_PER_MAP]; - buf = &map->buf[mr->nbuf % RXE_BUF_PER_MAP]; - - buf->addr = addr; - buf->size = ibmr->page_size; - mr->nbuf++; - - return 0; -} - -static int rxe_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, - int sg_nents, unsigned int *sg_offset) -{ - struct rxe_mr *mr = to_rmr(ibmr); - int n; - - mr->nbuf = 0; - - n = ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, rxe_set_page); - - mr->page_shift = ilog2(ibmr->page_size); - mr->page_mask = ibmr->page_size - 1; - mr->offset = ibmr->iova & mr->page_mask; - - return n; -} - static ssize_t parent_show(struct device *device, struct device_attribute *attr, char *buf) {