From patchwork Fri Sep 8 06:26:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Daisuke Matsuda (Fujitsu)" X-Patchwork-Id: 13377127 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 DBCC5EE57D1 for ; Fri, 8 Sep 2023 06:27:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241142AbjIHG1P (ORCPT ); Fri, 8 Sep 2023 02:27:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241855AbjIHG1O (ORCPT ); Fri, 8 Sep 2023 02:27:14 -0400 Received: from esa6.hc1455-7.c3s2.iphmx.com (esa6.hc1455-7.c3s2.iphmx.com [68.232.139.139]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C9E4C19A6; Thu, 7 Sep 2023 23:27:07 -0700 (PDT) X-IronPort-AV: E=McAfee;i="6600,9927,10826"; a="132651174" X-IronPort-AV: E=Sophos;i="6.02,236,1688396400"; d="scan'208";a="132651174" Received: from unknown (HELO yto-r3.gw.nic.fujitsu.com) ([218.44.52.219]) by esa6.hc1455-7.c3s2.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Sep 2023 15:27:04 +0900 Received: from yto-m4.gw.nic.fujitsu.com (yto-nat-yto-m4.gw.nic.fujitsu.com [192.168.83.67]) by yto-r3.gw.nic.fujitsu.com (Postfix) with ESMTP id 38D76C3F80; Fri, 8 Sep 2023 15:27:01 +0900 (JST) Received: from m3002.s.css.fujitsu.com (msm3.b.css.fujitsu.com [10.128.233.104]) by yto-m4.gw.nic.fujitsu.com (Postfix) with ESMTP id 820BFE67AE; Fri, 8 Sep 2023 15:27:00 +0900 (JST) Received: from localhost.localdomain (unknown [10.118.237.107]) by m3002.s.css.fujitsu.com (Postfix) with ESMTP id 4F8B92005B08; Fri, 8 Sep 2023 15:27:00 +0900 (JST) From: Daisuke Matsuda To: linux-rdma@vger.kernel.org, leon@kernel.org, jgg@ziepe.ca, zyjzyj2000@gmail.com Cc: linux-kernel@vger.kernel.org, rpearsonhpe@gmail.com, yangx.jy@fujitsu.com, lizhijian@fujitsu.com, y-goto@fujitsu.com, Daisuke Matsuda Subject: [PATCH for-next v6 2/7] RDMA/rxe: Make MR functions accessible from other rxe source code Date: Fri, 8 Sep 2023 15:26:43 +0900 Message-Id: <78a170cbd55fce11f455968016cd3a161822ccd0.1694153251.git.matsuda-daisuke@fujitsu.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 X-TM-AS-GCONF: 00 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Some functions in rxe_mr.c are going to be used in rxe_odp.c, which is to be created in the subsequent patch. List the declarations of the functions in rxe_loc.h. Signed-off-by: Daisuke Matsuda --- drivers/infiniband/sw/rxe/rxe_loc.h | 8 ++++++++ drivers/infiniband/sw/rxe/rxe_mr.c | 11 +++-------- 2 files changed, 11 insertions(+), 8 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h b/drivers/infiniband/sw/rxe/rxe_loc.h index 4d2a8ef52c85..eb867f7d0d36 100644 --- a/drivers/infiniband/sw/rxe/rxe_loc.h +++ b/drivers/infiniband/sw/rxe/rxe_loc.h @@ -58,6 +58,7 @@ int rxe_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); /* rxe_mr.c */ u8 rxe_get_next_key(u32 last_key); +void rxe_mr_init(int access, struct rxe_mr *mr); void rxe_mr_init_dma(int access, struct rxe_mr *mr); int rxe_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length, u64 iova, int access, struct rxe_mr *mr); @@ -69,6 +70,8 @@ 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); +int rxe_mr_copy_xarray(struct rxe_mr *mr, u64 iova, void *addr, + unsigned int length, enum rxe_mr_copy_dir dir); int rxe_mr_do_atomic_op(struct rxe_mr *mr, u64 iova, int opcode, u64 compare, u64 swap_add, u64 *orig_val); int rxe_mr_do_atomic_write(struct rxe_mr *mr, u64 iova, u64 value); @@ -80,6 +83,11 @@ int rxe_invalidate_mr(struct rxe_qp *qp, u32 key); int rxe_reg_fast_mr(struct rxe_qp *qp, struct rxe_send_wqe *wqe); void rxe_mr_cleanup(struct rxe_pool_elem *elem); +static inline unsigned long rxe_mr_iova_to_index(struct rxe_mr *mr, u64 iova) +{ + return (iova >> mr->page_shift) - (mr->ibmr.iova >> mr->page_shift); +} + /* rxe_mw.c */ int rxe_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata); int rxe_dealloc_mw(struct ib_mw *ibmw); diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c index f54042e9aeb2..86b1908d304b 100644 --- a/drivers/infiniband/sw/rxe/rxe_mr.c +++ b/drivers/infiniband/sw/rxe/rxe_mr.c @@ -45,7 +45,7 @@ int mr_check_range(struct rxe_mr *mr, u64 iova, size_t length) } } -static void rxe_mr_init(int access, struct rxe_mr *mr) +void rxe_mr_init(int access, struct rxe_mr *mr) { u32 key = mr->elem.index << 8 | rxe_get_next_key(-1); @@ -72,11 +72,6 @@ void rxe_mr_init_dma(int access, struct rxe_mr *mr) mr->ibmr.type = IB_MR_TYPE_DMA; } -static unsigned long rxe_mr_iova_to_index(struct rxe_mr *mr, u64 iova) -{ - return (iova >> mr->page_shift) - (mr->ibmr.iova >> mr->page_shift); -} - static unsigned long rxe_mr_iova_to_page_offset(struct rxe_mr *mr, u64 iova) { return iova & (mr_page_size(mr) - 1); @@ -242,8 +237,8 @@ int rxe_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sgl, return ib_sg_to_pages(ibmr, sgl, sg_nents, sg_offset, rxe_set_page); } -static int rxe_mr_copy_xarray(struct rxe_mr *mr, u64 iova, void *addr, - unsigned int length, enum rxe_mr_copy_dir dir) +int rxe_mr_copy_xarray(struct rxe_mr *mr, u64 iova, void *addr, + unsigned int length, enum rxe_mr_copy_dir dir) { unsigned int page_offset = rxe_mr_iova_to_page_offset(mr, iova); unsigned long index = rxe_mr_iova_to_index(mr, iova);