From: Roman Pen <roman.penyaev@profitbricks.com>
To: linux-block@vger.kernel.org, linux-rdma@vger.kernel.org
Cc: Jens Axboe <axboe@kernel.dk>,
Christoph Hellwig <hch@infradead.org>,
Sagi Grimberg <sagi@grimberg.me>,
Bart Van Assche <bart.vanassche@sandisk.com>,
Or Gerlitz <ogerlitz@mellanox.com>,
Roman Pen <roman.penyaev@profitbricks.com>,
Danil Kipnis <danil.kipnis@profitbricks.com>,
Jack Wang <jinpu.wang@profitbricks.com>
Subject: [PATCH 18/24] ibnbd: server: private header with server structs and functions
Date: Fri, 2 Feb 2018 15:08:58 +0100 [thread overview]
Message-ID: <20180202140904.2017-19-roman.penyaev@profitbricks.com> (raw)
In-Reply-To: <20180202140904.2017-1-roman.penyaev@profitbricks.com>
This header describes main structs and functions used by ibnbd-server
module, namely structs for managing sessions from different clients
and mapped (opened) devices.
Signed-off-by: Roman Pen <roman.penyaev@profitbricks.com>
Signed-off-by: Danil Kipnis <danil.kipnis@profitbricks.com>
Cc: Jack Wang <jinpu.wang@profitbricks.com>
---
drivers/block/ibnbd/ibnbd-srv.h | 100 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 100 insertions(+)
diff --git a/drivers/block/ibnbd/ibnbd-srv.h b/drivers/block/ibnbd/ibnbd-srv.h
new file mode 100644
index 000000000000..191a1650bc1d
--- /dev/null
+++ b/drivers/block/ibnbd/ibnbd-srv.h
@@ -0,0 +1,100 @@
+/*
+ * InfiniBand Network Block Driver
+ *
+ * Copyright (c) 2014 - 2017 ProfitBricks GmbH. All rights reserved.
+ * Authors: Fabian Holler <mail@fholler.de>
+ * Jack Wang <jinpu.wang@profitbricks.com>
+ * Kleber Souza <kleber.souza@profitbricks.com>
+ * Danil Kipnis <danil.kipnis@profitbricks.com>
+ * Roman Penyaev <roman.penyaev@profitbricks.com>
+ * Milind Dumbare <Milind.dumbare@gmail.com>
+ *
+ * Copyright (c) 2017 - 2018 ProfitBricks GmbH. All rights reserved.
+ * Authors: Danil Kipnis <danil.kipnis@profitbricks.com>
+ * Roman Penyaev <roman.penyaev@profitbricks.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef IBNBD_SRV_H
+#define IBNBD_SRV_H
+
+#include <linux/types.h>
+#include <linux/idr.h>
+#include <linux/kref.h>
+
+#include "ibtrs.h"
+#include "ibnbd-proto.h"
+#include "ibnbd-log.h"
+
+struct ibnbd_srv_session {
+ /* Entry inside global sess_list */
+ struct list_head list;
+ struct ibtrs_srv *ibtrs;
+ char sessname[NAME_MAX];
+ int queue_depth;
+ struct bio_set *sess_bio_set;
+
+ rwlock_t index_lock ____cacheline_aligned;
+ struct idr index_idr;
+ /* List of struct ibnbd_srv_sess_dev */
+ struct list_head sess_dev_list;
+ struct mutex lock;
+ u8 ver;
+};
+
+struct ibnbd_srv_dev {
+ /* Entry inside global dev_list */
+ struct list_head list;
+ struct kobject dev_kobj;
+ struct kobject dev_sessions_kobj;
+ struct kref kref;
+ char id[NAME_MAX];
+ /* List of ibnbd_srv_sess_dev structs */
+ struct list_head sess_dev_list;
+ struct mutex lock;
+ int open_write_cnt;
+ enum ibnbd_io_mode mode;
+};
+
+/* Structure which binds N devices and N sessions */
+struct ibnbd_srv_sess_dev {
+ /* Entry inside ibnbd_srv_dev struct */
+ struct list_head dev_list;
+ /* Entry inside ibnbd_srv_session struct */
+ struct list_head sess_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;
+ fmode_t open_flags;
+ struct kref kref;
+ struct completion *destroy_comp;
+ char pathname[NAME_MAX];
+};
+
+/* ibnbd-srv-sysfs.c */
+
+int ibnbd_srv_create_dev_sysfs(struct ibnbd_srv_dev *dev,
+ struct block_device *bdev,
+ const char *dir_name);
+void ibnbd_srv_destroy_dev_sysfs(struct ibnbd_srv_dev *dev);
+int ibnbd_srv_create_dev_session_sysfs(struct ibnbd_srv_sess_dev *sess_dev);
+void ibnbd_srv_destroy_dev_session_sysfs(struct ibnbd_srv_sess_dev *sess_dev);
+int ibnbd_srv_create_sysfs_files(void);
+void ibnbd_srv_destroy_sysfs_files(void);
+
+#endif /* IBNBD_SRV_H */
--
2.13.1
next prev parent reply other threads:[~2018-02-02 14:11 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-02 14:08 [PATCH 00/24] InfiniBand Transport (IBTRS) and Network Block Device (IBNBD) Roman Pen
2018-02-02 14:08 ` [PATCH 01/24] ibtrs: public interface header to establish RDMA connections Roman Pen
2018-02-02 14:08 ` [PATCH 02/24] ibtrs: private headers with IBTRS protocol structs and helpers Roman Pen
2018-02-02 14:08 ` [PATCH 03/24] ibtrs: core: lib functions shared between client and server modules Roman Pen
2018-02-05 10:52 ` Sagi Grimberg
2018-02-06 12:01 ` Roman Penyaev
2018-02-06 16:10 ` Jason Gunthorpe
2018-02-07 10:34 ` Roman Penyaev
2018-02-02 14:08 ` [PATCH 04/24] ibtrs: client: private header with client structs and functions Roman Pen
2018-02-05 10:59 ` Sagi Grimberg
2018-02-06 12:23 ` Roman Penyaev
2018-02-02 14:08 ` [PATCH 05/24] ibtrs: client: main functionality Roman Pen
2018-02-02 16:54 ` Bart Van Assche
2018-02-05 13:27 ` Roman Penyaev
2018-02-05 14:14 ` Sagi Grimberg
2018-02-05 17:05 ` Roman Penyaev
2018-02-05 11:19 ` Sagi Grimberg
2018-02-05 14:19 ` Roman Penyaev
2018-02-05 16:24 ` Bart Van Assche
2018-02-02 14:08 ` [PATCH 06/24] ibtrs: client: statistics functions Roman Pen
2018-02-02 14:08 ` [PATCH 07/24] ibtrs: client: sysfs interface functions Roman Pen
2018-02-05 11:20 ` Sagi Grimberg
2018-02-06 12:28 ` Roman Penyaev
2018-02-02 14:08 ` [PATCH 08/24] ibtrs: server: private header with server structs and functions Roman Pen
2018-02-02 14:08 ` [PATCH 09/24] ibtrs: server: main functionality Roman Pen
2018-02-05 11:29 ` Sagi Grimberg
2018-02-06 12:46 ` Roman Penyaev
2018-02-02 14:08 ` [PATCH 10/24] ibtrs: server: statistics functions Roman Pen
2018-02-02 14:08 ` [PATCH 11/24] ibtrs: server: sysfs interface functions Roman Pen
2018-02-02 14:08 ` [PATCH 12/24] ibtrs: include client and server modules into kernel compilation Roman Pen
2018-02-02 14:08 ` [PATCH 13/24] ibtrs: a bit of documentation Roman Pen
2018-02-02 14:08 ` [PATCH 14/24] ibnbd: private headers with IBNBD protocol structs and helpers Roman Pen
2018-02-02 14:08 ` [PATCH 15/24] ibnbd: client: private header with client structs and functions Roman Pen
2018-02-02 14:08 ` [PATCH 16/24] ibnbd: client: main functionality Roman Pen
2018-02-02 15:11 ` Jens Axboe
2018-02-05 12:54 ` Roman Penyaev
2018-02-02 14:08 ` [PATCH 17/24] ibnbd: client: sysfs interface functions Roman Pen
2018-02-02 14:08 ` Roman Pen [this message]
2018-02-02 14:08 ` [PATCH 19/24] ibnbd: server: main functionality Roman Pen
2018-02-02 14:09 ` [PATCH 20/24] ibnbd: server: functionality for IO submission to file or block dev Roman Pen
2018-02-02 14:09 ` [PATCH 21/24] ibnbd: server: sysfs interface functions Roman Pen
2018-02-02 14:09 ` [PATCH 22/24] ibnbd: include client and server modules into kernel compilation Roman Pen
2018-02-02 14:09 ` [PATCH 23/24] ibnbd: a bit of documentation Roman Pen
2018-02-02 15:55 ` Bart Van Assche
2018-02-05 13:03 ` Roman Penyaev
2018-02-05 14:16 ` Sagi Grimberg
2018-02-02 14:09 ` [PATCH 24/24] MAINTAINERS: Add maintainer for IBNBD/IBTRS modules Roman Pen
2018-02-02 16:07 ` [PATCH 00/24] InfiniBand Transport (IBTRS) and Network Block Device (IBNBD) Bart Van Assche
2018-02-02 16:40 ` Doug Ledford
2018-02-05 8:45 ` Jinpu Wang
2018-06-04 12:14 ` Danil Kipnis
2018-02-02 17:05 ` Bart Van Assche
2018-02-05 8:56 ` Jinpu Wang
2018-02-05 11:36 ` Sagi Grimberg
2018-02-05 13:38 ` Danil Kipnis
2018-02-05 14:17 ` Sagi Grimberg
2018-02-05 16:40 ` Danil Kipnis
2018-02-05 18:38 ` Bart Van Assche
2018-02-06 9:44 ` Danil Kipnis
2018-02-06 15:35 ` Bart Van Assche
2018-02-05 16:16 ` Bart Van Assche
2018-02-05 16:36 ` Jinpu Wang
2018-02-07 16:35 ` Christopher Lameter
2018-02-07 17:18 ` Roman Penyaev
2018-02-07 17:32 ` Bart Van Assche
2018-02-08 17:38 ` Danil Kipnis
2018-02-08 18:09 ` Bart Van Assche
2018-06-04 12:27 ` Danil Kipnis
2018-02-05 12:16 ` Sagi Grimberg
2018-02-05 12:30 ` Sagi Grimberg
2018-02-07 13:06 ` Roman Penyaev
2018-02-05 16:58 ` Bart Van Assche
2018-02-05 17:16 ` Roman Penyaev
2018-02-05 17:20 ` Bart Van Assche
2018-02-06 11:47 ` Roman Penyaev
2018-02-06 13:12 ` Roman Penyaev
2018-02-06 16:01 ` Bart Van Assche
2018-02-07 12:57 ` Roman Penyaev
2018-02-07 16:35 ` Bart Van Assche
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180202140904.2017-19-roman.penyaev@profitbricks.com \
--to=roman.penyaev@profitbricks.com \
--cc=axboe@kernel.dk \
--cc=bart.vanassche@sandisk.com \
--cc=danil.kipnis@profitbricks.com \
--cc=hch@infradead.org \
--cc=jinpu.wang@profitbricks.com \
--cc=linux-block@vger.kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=ogerlitz@mellanox.com \
--cc=sagi@grimberg.me \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).