From: Jack Wang <jinpuwang@gmail.com>
To: linux-block@vger.kernel.org, linux-rdma@vger.kernel.org
Cc: axboe@kernel.dk, hch@infradead.org, sagi@grimberg.me,
bvanassche@acm.org, leon@kernel.org, dledford@redhat.com,
danil.kipnis@cloud.ionos.com, jinpu.wang@cloud.ionos.com,
rpenyaev@suse.de
Subject: [PATCH v6 09/25] rtrs: server: private header with server structs and functions
Date: Mon, 30 Dec 2019 11:29:26 +0100 [thread overview]
Message-ID: <20191230102942.18395-10-jinpuwang@gmail.com> (raw)
In-Reply-To: <20191230102942.18395-1-jinpuwang@gmail.com>
From: Jack Wang <jinpu.wang@cloud.ionos.com>
This header describes main structs and functions used by rtrs-server
module, mainly for accepting rtrs sessions, creating/destroying
sysfs entries, accounting statistics on server side.
Signed-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
---
drivers/infiniband/ulp/rtrs/rtrs-srv.h | 141 +++++++++++++++++++++++++
1 file changed, 141 insertions(+)
create mode 100644 drivers/infiniband/ulp/rtrs/rtrs-srv.h
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.h b/drivers/infiniband/ulp/rtrs/rtrs-srv.h
new file mode 100644
index 000000000000..6ab6e2d3f564
--- /dev/null
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.h
@@ -0,0 +1,141 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * InfiniBand Transport Layer
+ *
+ * Copyright (c) 2014 - 2018 ProfitBricks GmbH. All rights reserved.
+ *
+ * Copyright (c) 2018 - 2019 1&1 IONOS Cloud GmbH. All rights reserved.
+ *
+ * Copyright (c) 2019 1&1 IONOS SE. All rights reserved.
+ */
+
+#ifndef RTRS_SRV_H
+#define RTRS_SRV_H
+
+#include <linux/device.h>
+#include <linux/refcount.h>
+#include "rtrs-pri.h"
+
+/**
+ * enum rtrs_srv_state - Server states.
+ */
+enum rtrs_srv_state {
+ RTRS_SRV_CONNECTING,
+ RTRS_SRV_CONNECTED,
+ RTRS_SRV_CLOSING,
+ RTRS_SRV_CLOSED,
+};
+
+struct rtrs_stats_wc_comp {
+ atomic64_t calls;
+ atomic64_t total_wc_cnt;
+};
+
+struct rtrs_srv_stats_rdma_stats {
+ struct {
+ atomic64_t cnt;
+ atomic64_t size_total;
+ } dir[2];
+};
+
+struct rtrs_srv_stats {
+ struct rtrs_srv_stats_rdma_stats rdma_stats;
+ struct rtrs_stats_wc_comp wc_comp;
+};
+
+struct rtrs_srv_con {
+ struct rtrs_con c;
+ atomic_t wr_cnt;
+};
+
+struct rtrs_srv_op {
+ struct rtrs_srv_con *con;
+ u32 msg_id;
+ u8 dir;
+ struct rtrs_msg_rdma_read *rd_msg;
+ struct ib_rdma_wr *tx_wr;
+ struct ib_sge *tx_sg;
+};
+
+struct rtrs_srv_mr {
+ struct ib_mr *mr;
+ struct sg_table sgt;
+ struct ib_cqe inv_cqe; /* only for always_invalidate=true */
+ u32 msg_id; /* only for always_invalidate=true */
+ u32 msg_off; /* only for always_invalidate=true */
+ struct rtrs_iu *iu; /* send buffer for new rkey msg */
+};
+
+struct rtrs_srv_sess {
+ struct rtrs_sess s;
+ struct rtrs_srv *srv;
+ struct work_struct close_work;
+ enum rtrs_srv_state state;
+ spinlock_t state_lock;
+ int cur_cq_vector;
+ struct rtrs_srv_op **ops_ids;
+ atomic_t ids_inflight;
+ wait_queue_head_t ids_waitq;
+ struct rtrs_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 rtrs_srv_stats stats;
+};
+
+struct rtrs_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 rtrs_srv_ctx *ctx;
+ struct list_head ctx_list;
+ void *priv;
+ size_t queue_depth;
+ struct page **chunks;
+ struct device dev;
+ unsigned int dev_ref;
+ struct kobject kobj_paths;
+};
+
+struct rtrs_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 *rtrs_dev_class;
+
+void close_sess(struct rtrs_srv_sess *sess);
+
+/* rtrs-srv-stats.c */
+
+void rtrs_srv_update_rdma_stats(struct rtrs_srv_stats *s, size_t size, int d);
+void rtrs_srv_update_wc_stats(struct rtrs_srv_stats *s);
+
+int rtrs_srv_reset_rdma_stats(struct rtrs_srv_stats *stats, bool enable);
+ssize_t rtrs_srv_stats_rdma_to_str(struct rtrs_srv_stats *stats,
+ char *page, size_t len);
+int rtrs_srv_reset_wc_completion_stats(struct rtrs_srv_stats *stats,
+ bool enable);
+int rtrs_srv_stats_wc_completion_to_str(struct rtrs_srv_stats *stats, char *buf,
+ size_t len);
+int rtrs_srv_reset_all_stats(struct rtrs_srv_stats *stats, bool enable);
+ssize_t rtrs_srv_reset_all_help(struct rtrs_srv_stats *stats,
+ char *page, size_t len);
+
+/* rtrs-srv-sysfs.c */
+
+int rtrs_srv_create_sess_files(struct rtrs_srv_sess *sess);
+void rtrs_srv_destroy_sess_files(struct rtrs_srv_sess *sess);
+
+#endif /* RTRS_SRV_H */
--
2.17.1
next prev parent reply other threads:[~2019-12-30 10:29 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-30 10:29 [PATCH v6 00/25] RTRS (former IBTRS) rdma transport library and RNBD (former IBNBD) rdma network block device Jack Wang
2019-12-30 10:29 ` [PATCH v6 01/25] sysfs: export sysfs_remove_file_self() Jack Wang
2019-12-30 10:29 ` [PATCH v6 02/25] rtrs: public interface header to establish RDMA connections Jack Wang
2019-12-30 19:25 ` Bart Van Assche
2020-01-02 13:35 ` Jinpu Wang
2020-01-02 16:36 ` Bart Van Assche
2020-01-02 16:47 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 03/25] rtrs: private headers with rtrs protocol structs and helpers Jack Wang
2019-12-30 19:48 ` Bart Van Assche
2020-01-02 15:27 ` Jinpu Wang
2020-01-02 17:00 ` Bart Van Assche
2020-01-02 18:26 ` Jason Gunthorpe
2020-01-03 12:31 ` Jinpu Wang
2020-01-03 12:27 ` Jinpu Wang
2019-12-31 0:07 ` Bart Van Assche
2020-01-03 13:48 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 04/25] rtrs: core: lib functions shared between client and server modules Jack Wang
2019-12-30 22:25 ` Bart Van Assche
2020-01-07 12:22 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 05/25] rtrs: client: private header with client structs and functions Jack Wang
2019-12-30 22:51 ` Bart Van Assche
2020-01-07 12:39 ` Jinpu Wang
2019-12-30 23:03 ` Bart Van Assche
2020-01-07 12:39 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 06/25] rtrs: client: main functionality Jack Wang
2019-12-30 23:53 ` Bart Van Assche
2020-01-02 18:23 ` Jason Gunthorpe
2020-01-03 14:30 ` Jinpu Wang
2020-01-03 16:12 ` Bart Van Assche
2019-12-30 10:29 ` [PATCH v6 07/25] rtrs: client: statistics functions Jack Wang
2020-01-02 21:07 ` Bart Van Assche
2020-01-03 14:39 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 08/25] rtrs: client: sysfs interface functions Jack Wang
2020-01-02 21:14 ` Bart Van Assche
2020-01-03 14:59 ` Jinpu Wang
2019-12-30 10:29 ` Jack Wang [this message]
2020-01-02 21:24 ` [PATCH v6 09/25] rtrs: server: private header with server structs and functions Bart Van Assche
2020-01-08 16:33 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 10/25] rtrs: server: main functionality Jack Wang
2020-01-02 22:03 ` Bart Van Assche
2020-01-07 13:19 ` Jinpu Wang
2020-01-07 18:25 ` Jason Gunthorpe
2020-01-10 17:38 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 11/25] rtrs: server: statistics functions Jack Wang
2020-01-02 22:02 ` Bart Van Assche
2020-01-08 12:55 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 12/25] rtrs: server: sysfs interface functions Jack Wang
2020-01-02 22:06 ` Bart Van Assche
2020-01-07 14:40 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 13/25] rtrs: include client and server modules into kernel compilation Jack Wang
2020-01-02 22:11 ` Bart Van Assche
2020-01-03 16:19 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 14/25] rtrs: a bit of documentation Jack Wang
2019-12-30 23:19 ` Bart Van Assche
2020-01-07 14:48 ` Jinpu Wang
2020-01-02 22:21 ` Bart Van Assche
2020-01-07 15:49 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 15/25] rnbd: private headers with rnbd protocol structs and helpers Jack Wang
2020-01-02 22:34 ` Bart Van Assche
2020-01-07 16:53 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 16/25] rnbd: client: private header with client structs and functions Jack Wang
2020-01-02 22:37 ` Bart Van Assche
2020-01-07 17:09 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 17/25] rnbd: client: main functionality Jack Wang
2020-01-02 23:55 ` Bart Van Assche
2020-01-08 14:22 ` Jinpu Wang
2020-01-10 14:45 ` Jinpu Wang
2020-01-10 15:09 ` Roman Penyaev
2020-01-10 15:29 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 18/25] rnbd: client: sysfs interface functions Jack Wang
2020-01-03 0:03 ` Bart Van Assche
2020-01-08 13:06 ` Jinpu Wang
2020-01-08 16:39 ` Bart Van Assche
2020-01-08 16:51 ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 19/25] rnbd: server: private header with server structs and functions Jack Wang
2019-12-30 10:29 ` [PATCH v6 20/25] rnbd: server: main functionality Jack Wang
2019-12-30 10:29 ` [PATCH v6 21/25] rnbd: server: functionality for IO submission to file or block dev Jack Wang
2019-12-30 10:29 ` [PATCH v6 22/25] rnbd: server: sysfs interface functions Jack Wang
2019-12-30 10:29 ` [PATCH v6 23/25] rnbd: include client and server modules into kernel compilation Jack Wang
2019-12-30 10:29 ` [PATCH v6 24/25] rnbd: a bit of documentation Jack Wang
2019-12-30 10:29 ` [PATCH v6 25/25] MAINTAINERS: Add maintainers for RNBD/RTRS modules Jack Wang
2019-12-30 12:22 ` Gal Pressman
2020-01-02 8:41 ` Jinpu Wang
2019-12-31 0:11 ` [PATCH v6 00/25] RTRS (former IBTRS) rdma transport library and RNBD (former IBNBD) rdma network block device Bart Van Assche
2020-01-02 8:48 ` Jinpu Wang
2019-12-31 2:39 ` Bart Van Assche
2020-01-02 9:20 ` Jinpu Wang
2020-01-02 18:28 ` Jason Gunthorpe
2020-01-03 12:34 ` Jinpu Wang
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