From: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxxx>
Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxxx>
Signed-off-by: Kleber Souza <kleber.souza@xxxxxxxxxxxxxxxx>
Signed-off-by: Danil Kipnis <danil.kipnis@xxxxxxxxxxxxxxxx>
Signed-off-by: Roman Pen <roman.penyaev@xxxxxxxxxxxxxxxx>
---
drivers/block/ibnbd_server/ibnbd_srv.h | 115 +++++++++++++++++++++++++++++++++
1 file changed, 115 insertions(+)
create mode 100644 drivers/block/ibnbd_server/ibnbd_srv.h
diff --git a/drivers/block/ibnbd_server/ibnbd_srv.h b/drivers/block/ibnbd_server/ibnbd_srv.h
new file mode 100644
index 0000000..764a31f
--- /dev/null
+++ b/drivers/block/ibnbd_server/ibnbd_srv.h
@@ -0,0 +1,115 @@
+/*
+ * InfiniBand Network Block Driver
+ *
+ * Copyright (c) 2014 - 2017 ProfitBricks GmbH. All rights reserved.
+ * Authors: Fabian Holler < mail@xxxxxxxxxx>
+ * Jack Wang <jinpu.wang@xxxxxxxxxxxxxxxx>
+ * Kleber Souza <kleber.souza@xxxxxxxxxxxxxxxx>
+ * Danil Kipnis <danil.kipnis@xxxxxxxxxxxxxxxx>
+ * Roman Pen <roman.penyaev@xxxxxxxxxxxxxxxx>
+ * Milind Dumbare <Milind.dumbare@xxxxxxxxx>
+ *
+ *
+ * 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 _IBNBD_SRV_H
+#define _IBNBD_SRV_H
+
+#include <linux/types.h>
+#include <linux/idr.h>
+#include <linux/kref.h>
+#include "../ibnbd_inc/ibnbd.h"
+#include "../ibnbd_inc/ibnbd-proto.h"
+#include <rdma/ibtrs.h>
+
+enum sess_state {
+ SESS_STATE_CONNECTED,
+ SESS_STATE_DISCONNECTED
+};
+
+struct ibnbd_srv_session {
+ struct list_head list; /* for the global sess_list */
+ struct ibtrs_session *ibtrs_sess;
+ char str_addr[IBTRS_ADDRLEN];
+ char hostname[MAXHOSTNAMELEN];
+ int queue_depth;
+ enum sess_state state;
+ struct bio_set *sess_bio_set;
+
+ rwlock_t index_lock ____cacheline_aligned;
+ struct idr index_idr;
+ struct mutex lock; /* protects sess_dev_list */
+ struct list_head sess_dev_list; /* list of struct ibnbd_srv_sess_dev */
+ u8 ver; /* IBNBD protocol version */
+};
+
+struct ibnbd_srv_dev {
+ struct list_head list; /* global dev_list */
+
+ struct kobject dev_kobj;
+ struct kobject dev_clients_kobj;
+
+ struct kref kref;
+ char id[NAME_MAX];
+
+ struct mutex lock; /* protects sess_dev_list and open_write_cnt */
+ struct list_head sess_dev_list; /* list of struct ibnbd_srv_sess_dev */
+ int open_write_cnt;
+ enum ibnbd_io_mode mode;
+};
+
+struct ibnbd_srv_sess_dev {
+ struct list_head dev_list; /* for struct ibnbd_srv_dev->sess_dev_list */
+ struct list_head sess_list; /* for struct ibnbd_srv_session->sess_dev_list */
+
+ struct ibnbd_dev *ibnbd_dev;
+ struct ibnbd_srv_session *sess;
+ struct ibnbd_srv_dev *dev;
+ struct kobject kobj;
+ struct completion *sysfs_release_compl;
+
+ u32 device_id;
+ u32 clt_device_id;
+ fmode_t open_flags;
+ struct kref kref;
+ struct completion *destroy_comp;
+ char pathname[NAME_MAX];
+ size_t nsectors;
+ bool is_visible;
+};
+
+int ibnbd_srv_revalidate_dev(struct ibnbd_srv_dev *dev);
+
+#endif
--
2.7.4
