From: Jack Wang <jinpu.w...@profitbricks.com>
Signed-off-by: Jack Wang <jinpu.w...@profitbricks.com>
Signed-off-by: Kleber Souza <kleber.so...@profitbricks.com>
Signed-off-by: Danil Kipnis <danil.kip...@profitbricks.com>
Signed-off-by: Roman Pen <roman.peny...@profitbricks.com>
---
.../ulp/ibtrs_server/ibtrs_srv_internal.h | 201 +++++++++++++++++++++
1 file changed, 201 insertions(+)
create mode 100644 drivers/infiniband/ulp/ibtrs_server/ibtrs_srv_internal.h
diff --git a/drivers/infiniband/ulp/ibtrs_server/ibtrs_srv_internal.h
b/drivers/infiniband/ulp/ibtrs_server/ibtrs_srv_internal.h
new file mode 100644
index 0000000..79130a1
--- /dev/null
+++ b/drivers/infiniband/ulp/ibtrs_server/ibtrs_srv_internal.h
@@ -0,0 +1,201 @@
+/*
+ * InfiniBand Transport Layer
+ *
+ * Copyright (c) 2014 - 2017 ProfitBricks GmbH. All rights reserved.
+ * Authors: Fabian Holler < m...@fholler.de>
+ * Jack Wang <jinpu.w...@profitbricks.com>
+ * Kleber Souza <kleber.so...@profitbricks.com>
+ * Danil Kipnis <danil.kip...@profitbricks.com>
+ * Roman Pen <roman.peny...@profitbricks.com>
+ * Milind Dumbare <milind.dumb...@gmail.com>
+ *
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ */
+
+#ifndef _IBTRS_SRV_INTERNAL_H
+#define _IBTRS_SRV_INTERNAL_H
+
+#include <rdma/ibtrs.h>
+
+enum ssm_state {
+ SSM_STATE_IDLE,
+ SSM_STATE_CONNECTED,
+ SSM_STATE_CLOSING,
+ SSM_STATE_CLOSED
+};
+
+/*
+ * Describes the rdma buffer managed by client and used for his rdma writes
+ * Rdma info has to be sent in OPEN_RESP message to the client.
+ */
+struct ibtrs_rcv_buf {
+ dma_addr_t rdma_addr;
+ void *buf;
+};
+
+/* to indicate that memory chunk was not allocated from a N-order contiguous
+ * pages area
+ */
+#define IBTRS_MEM_CHUNK_NOORDER -1
+
+struct ibtrs_mem_chunk {
+ struct list_head list;
+ int order;
+ void *addr;
+};
+
+struct ibtrs_rcv_buf_pool {
+ struct list_head list;
+ struct list_head chunk_list;
+ struct ibtrs_rcv_buf *rcv_bufs;
+};
+
+struct ibtrs_stats_wc_comp {
+ atomic_t max_wc_cnt;
+ atomic64_t calls;
+ atomic64_t total_wc_cnt;
+};
+
+struct ibtrs_srv_stats_rdma_stats {
+ atomic64_t cnt_read;
+ atomic64_t size_total_read;
+ atomic64_t cnt_write;
+ atomic64_t size_total_write;
+
+ atomic_t inflight;
+ atomic64_t inflight_total;
+};
+
+struct ibtrs_srv_stats_user_ib_msgs {
+ atomic64_t recv_msg_cnt;
+ atomic64_t sent_msg_cnt;
+ atomic64_t recv_size;
+ atomic64_t sent_size;
+};
+
+struct ibtrs_srv_stats {
+ struct ibtrs_srv_stats_rdma_stats rdma_stats;
+ struct ibtrs_srv_stats_user_ib_msgs user_ib_msgs;
+ atomic_t apm_cnt;
+ struct ibtrs_stats_wc_comp wc_comp;
+};
+
+struct ibtrs_session {
+ struct list_head list;
+ enum ssm_state state;
+ struct kref kref;
+ struct workqueue_struct *sm_wq; /* event processing */
+ struct workqueue_struct *msg_wq;
+ struct ibtrs_device *dev; /* ib dev with mempool */
+ struct rdma_cm_id *cm_id; /* cm_id used to create the session */
+ struct mutex lock; /* to protect con_list */
+ int cur_cq_vector;
+ struct list_head con_list;
+ struct ibtrs_iu *rdma_info_iu;
+ struct ibtrs_iu *dummy_rx_iu;
+ struct ibtrs_iu **usr_rx_ring;
+ struct ibtrs_ops_id **ops_ids;
+ /* lock for tx_bufs */
+ spinlock_t tx_bufs_lock ____cacheline_aligned;
+ struct list_head tx_bufs;
+ u16 tx_bufs_used;
+ unsigned int est_cnt; /* number of established connections */
+ unsigned int active_cnt; /* number of active (not closed)
+ * connections
+ */
+ u8 con_cnt;
+ u8 ver;
+ bool state_in_sysfs;
+ bool session_announced_to_user;
+ struct ibtrs_rcv_buf_pool *rcv_buf_pool;
+ wait_queue_head_t bufs_wait;
+ u8 off_len; /* number of bits for offset in
+ * one client buffer.
+ * 32 - ilog2(sess->queue_depth)
+ */
+ u32 off_mask; /* mask to get offset in client buf
+ * out of the imm field
+ */
+ u16 queue_depth;
+ u16 wq_size;
+ u8 uuid[IBTRS_UUID_SIZE];
+ struct ibtrs_heartbeat heartbeat;
+ struct delayed_work check_heartbeat_dwork;
+ struct delayed_work send_heartbeat_dwork;
+ void *priv;
+ struct kobject kobj;
+ struct kobject kobj_stats;
+ char addr[IBTRS_ADDRLEN]; /* client address */
+ char hostname[MAXHOSTNAMELEN];
+ u8 primary_port_num;
+ struct ibtrs_srv_stats stats;
+ wait_queue_head_t mu_iu_wait_q;
+ wait_queue_head_t mu_buf_wait_q;
+ atomic_t peer_usr_msg_bufs;
+};
+
+void ibtrs_srv_queue_close(struct ibtrs_session *sess);
+
+u8 ibtrs_srv_get_sess_primary_port_num(struct ibtrs_session *sess);
+
+int ibtrs_srv_current_hca_port_to_str(struct ibtrs_session *sess,
+ char *buf, size_t len);
+int ibtrs_srv_failover_hca_port_to_str(struct ibtrs_session *sess,
+ char *buf, size_t len);
+const char *ibtrs_srv_get_sess_hca_name(struct ibtrs_session *sess);
+int ibtrs_srv_migrate(struct ibtrs_session *sess, u8 port_num);
+int ibtrs_srv_reset_rdma_stats(struct ibtrs_session *sess, bool enable);
+ssize_t ibtrs_srv_stats_rdma_to_str(struct ibtrs_session *sess,
+ char *page, size_t len);
+int ibtrs_srv_reset_user_ib_msgs_stats(struct ibtrs_session *sess, bool
enable);
+int ibtrs_srv_stats_user_ib_msgs_to_str(struct ibtrs_session *sess, char *buf,
+ size_t len);
+int ibtrs_srv_reset_apm_stats(struct ibtrs_session *sess, bool enable);
+int ibtrs_srv_stats_apm_to_str(struct ibtrs_session *sess, char *buf,
+ size_t len);
+int ibtrs_srv_reset_wc_completion_stats(struct ibtrs_session *sess,
+ bool enable);
+int ibtrs_srv_stats_wc_completion_to_str(struct ibtrs_session *sess, char *buf,
+ size_t len);
+int ibtrs_srv_reset_all_stats(struct ibtrs_session *sess, bool enable);
+ssize_t ibtrs_srv_reset_all_help(struct ibtrs_session *sess,
+ char *page, size_t len);
+int heartbeat_timeout_validate(int timeout);
+
+int ibtrs_srv_sess_get(struct ibtrs_session *sess);
+
+void ibtrs_srv_sess_put(struct ibtrs_session *sess);
+
+#endif
--
2.7.4
