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=-8.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,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 DA157C48BE4 for ; Thu, 20 Jun 2019 15:03:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AF49C20673 for ; Thu, 20 Jun 2019 15:03:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="P+GsP0NK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731980AbfFTPDx (ORCPT ); Thu, 20 Jun 2019 11:03:53 -0400 Received: from mail-ed1-f66.google.com ([209.85.208.66]:38251 "EHLO mail-ed1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732010AbfFTPDw (ORCPT ); Thu, 20 Jun 2019 11:03:52 -0400 Received: by mail-ed1-f66.google.com with SMTP id r12so5190510edo.5; Thu, 20 Jun 2019 08:03:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=aXIBGgM8J5V1UAefTH43RF6bmjkdkJpROH50sTQShLs=; b=P+GsP0NKVuXrSC+zmyIsshDo6YarRrpcsNRTURqgtyl5sSsPNZyZZgJuyoBzA6K6hX d1dvVGEDLo0O/mF5lSYgqldxyWIbyDAx7dykcPZuT/op8krnxw5dGoJP+3KjeW1s6QqN zj+71pom3wPbT4kqyZ/3H7mc7haVJdVabTTpsmbt000s/HE586owysJqJlnGLQwR+qZ7 WoPgFcrze6goujwdjXKGsvpkmnBjoihFKdJZW4AueuQSBK1tmrVRm8w916ydIeKXudvL wL2D3Em5toUvmxJs7KDu/6tv+Cp+xWP6kQ5frvZQ7EmvGgAYSLWjbT6ulwm1JTNdlHu0 HKVg== 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:in-reply-to :references; bh=aXIBGgM8J5V1UAefTH43RF6bmjkdkJpROH50sTQShLs=; b=fWt6gQCeaUsa1tOJ90pZ/nkcMKev1SbWECWSUPssLgbI1eB/01CBW1dDI9P9qyOiBQ 85/yVQx2en3tADtGHkBXLdr/BviFOcMFibzULmATMOvwkGV3R2l8CX6eXROiPZq/pQ87 ddR0cCsle/bV89uuIpu/yGKgPYLR46DcJRb53fxjLTbJigvh8vII5VkyaeaMH9c2eqNG BalWweIaJr80WFCwPvCSW85gOvya6/lE5bJVJJ5awWwAHnOCACLa2cGZpAVfH6oiE7tJ ircSDxE9Rr4EXWrcjxvi+c/xMs85ARxNP48Y2naEbbqklxfsPvTrveQYatZWRT+ei9uy hXww== X-Gm-Message-State: APjAAAVOzERewj6A9hN6f6PwuKijpH6ACflQp/w50J1zeS8COWW83D2F PjKTW2SQPI6N4TOsUsYC+qwOz89wOPY= X-Google-Smtp-Source: APXvYqyKw7fyaKI+FlZsJMjV8FJFzT3vXvC19bbr6vbuHJdFod9AXPucbPJun9HPaJerabmc9oHytg== X-Received: by 2002:a50:c9c2:: with SMTP id c2mr101035660edi.183.1561043030904; Thu, 20 Jun 2019 08:03:50 -0700 (PDT) Received: from jwang-Latitude-5491.pb.local ([62.217.45.26]) by smtp.gmail.com with ESMTPSA id a20sm3855817ejj.21.2019.06.20.08.03.49 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 20 Jun 2019 08:03:50 -0700 (PDT) From: Jack Wang To: linux-block@vger.kernel.org, linux-rdma@vger.kernel.org Cc: axboe@kernel.dk, hch@infradead.org, sagi@grimberg.me, bvanassche@acm.org, jgg@mellanox.com, dledford@redhat.com, danil.kipnis@cloud.ionos.com, rpenyaev@suse.de, Roman Pen , Jack Wang Subject: [PATCH v4 09/25] ibtrs: server: private header with server structs and functions Date: Thu, 20 Jun 2019 17:03:21 +0200 Message-Id: <20190620150337.7847-10-jinpuwang@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190620150337.7847-1-jinpuwang@gmail.com> References: <20190620150337.7847-1-jinpuwang@gmail.com> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org From: Roman Pen This header describes main structs and functions used by ibtrs-server module, mainly for accepting IBTRS sessions, creating/destroying sysfs entries, accounting statistics on server side. Signed-off-by: Danil Kipnis Signed-off-by: Jack Wang --- drivers/infiniband/ulp/ibtrs/ibtrs-srv.h | 170 +++++++++++++++++++++++ 1 file changed, 170 insertions(+) create mode 100644 drivers/infiniband/ulp/ibtrs/ibtrs-srv.h diff --git a/drivers/infiniband/ulp/ibtrs/ibtrs-srv.h b/drivers/infiniband/ulp/ibtrs/ibtrs-srv.h new file mode 100644 index 000000000000..6d3b77541d77 --- /dev/null +++ b/drivers/infiniband/ulp/ibtrs/ibtrs-srv.h @@ -0,0 +1,170 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * InfiniBand Transport Layer + * + * Copyright (c) 2014 - 2017 ProfitBricks GmbH. All rights reserved. + * Authors: Fabian Holler + * Jack Wang + * Kleber Souza + * Danil Kipnis + * Roman Penyaev + * Milind Dumbare + * + * Copyright (c) 2017 - 2018 ProfitBricks GmbH. All rights reserved. + * Authors: Danil Kipnis + * Roman Penyaev + * Swapnil Ingle + * + * Copyright (c) 2018 - 2019 1&1 IONOS Cloud GmbH. All rights reserved. + * Authors: Roman Penyaev + * Jack Wang + * Danil Kipnis + */ + +#ifndef IBTRS_SRV_H +#define IBTRS_SRV_H + +#include +#include +#include "ibtrs-pri.h" + +/** + * enum ibtrs_srv_state - Server states. + */ +enum ibtrs_srv_state { + IBTRS_SRV_CONNECTING, + IBTRS_SRV_CONNECTED, + IBTRS_SRV_CLOSING, + IBTRS_SRV_CLOSED, +}; + +static inline const char *ibtrs_srv_state_str(enum ibtrs_srv_state state) +{ + switch (state) { + case IBTRS_SRV_CONNECTING: + return "IBTRS_SRV_CONNECTING"; + case IBTRS_SRV_CONNECTED: + return "IBTRS_SRV_CONNECTED"; + case IBTRS_SRV_CLOSING: + return "IBTRS_SRV_CLOSING"; + case IBTRS_SRV_CLOSED: + return "IBTRS_SRV_CLOSED"; + default: + return "UNKNOWN"; + } +} + +struct ibtrs_stats_wc_comp { + atomic64_t calls; + atomic64_t total_wc_cnt; +}; + +struct ibtrs_srv_stats_rdma_stats { + struct { + atomic64_t cnt; + atomic64_t size_total; + } dir[2]; +}; + +struct ibtrs_srv_stats { + struct ibtrs_srv_stats_rdma_stats rdma_stats; + atomic_t apm_cnt; + struct ibtrs_stats_wc_comp wc_comp; +}; + +struct ibtrs_srv_con { + struct ibtrs_con c; + atomic_t wr_cnt; +}; + +struct ibtrs_srv_op { + struct ibtrs_srv_con *con; + u32 msg_id; + u8 dir; + struct ibtrs_msg_rdma_read *rd_msg; + struct ib_rdma_wr *tx_wr; + struct ib_sge *tx_sg; +}; + +struct ibtrs_srv_mr { + struct ib_mr *mr; + struct sg_table sgt; +}; + +struct ibtrs_srv_sess { + struct ibtrs_sess s; + struct ibtrs_srv *srv; + struct work_struct close_work; + enum ibtrs_srv_state state; + spinlock_t state_lock; + int cur_cq_vector; + struct ibtrs_srv_op **ops_ids; + atomic_t ids_inflight; + wait_queue_head_t ids_waitq; + struct ibtrs_srv_mr *mrs; + unsigned int mrs_num; + dma_addr_t *dma_addr; + bool established; + unsigned int mem_bits; + struct kobject kobj; + struct kobject kobj_stats; + struct ibtrs_srv_stats stats; +}; + +struct ibtrs_srv { + struct list_head paths_list; + int paths_up; + struct mutex paths_ev_mutex; + size_t paths_num; + struct mutex paths_mutex; + uuid_t paths_uuid; + refcount_t refcount; + struct ibtrs_srv_ctx *ctx; + struct list_head ctx_list; + void *priv; + size_t queue_depth; + struct page **chunks; + struct device dev; + u32 dev_ref; + struct kobject kobj_paths; +}; + +struct ibtrs_srv_ctx { + rdma_ev_fn *rdma_ev; + link_ev_fn *link_ev; + struct rdma_cm_id *cm_id_ip; + struct rdma_cm_id *cm_id_ib; + struct mutex srv_mutex; + struct list_head srv_list; +}; + +extern struct class *ibtrs_dev_class; + +/* See ibtrs-log.h */ +#define TYPES_TO_SESSNAME(obj) \ + LIST(CASE(obj, struct ibtrs_srv_sess *, s.sessname)) + +void ibtrs_srv_queue_close(struct ibtrs_srv_sess *sess); + +/* ibtrs-srv-stats.c */ + +void ibtrs_srv_update_rdma_stats(struct ibtrs_srv_stats *s, size_t size, int d); +void ibtrs_srv_update_wc_stats(struct ibtrs_srv_stats *s); + +int ibtrs_srv_reset_rdma_stats(struct ibtrs_srv_stats *stats, bool enable); +ssize_t ibtrs_srv_stats_rdma_to_str(struct ibtrs_srv_stats *stats, + char *page, size_t len); +int ibtrs_srv_reset_wc_completion_stats(struct ibtrs_srv_stats *stats, + bool enable); +int ibtrs_srv_stats_wc_completion_to_str(struct ibtrs_srv_stats *stats, + char *buf, size_t len); +int ibtrs_srv_reset_all_stats(struct ibtrs_srv_stats *stats, bool enable); +ssize_t ibtrs_srv_reset_all_help(struct ibtrs_srv_stats *stats, + char *page, size_t len); + +/* ibtrs-srv-sysfs.c */ + +int ibtrs_srv_create_sess_files(struct ibtrs_srv_sess *sess); +void ibtrs_srv_destroy_sess_files(struct ibtrs_srv_sess *sess); + +#endif /* IBTRS_SRV_H */ -- 2.17.1