diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/block/rnbd/rnbd-srv.h | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/block/rnbd/rnbd-srv.h')
| -rw-r--r-- | drivers/block/rnbd/rnbd-srv.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/block/rnbd/rnbd-srv.h b/drivers/block/rnbd/rnbd-srv.h new file mode 100644 index 0000000000..1027656ded --- /dev/null +++ b/drivers/block/rnbd/rnbd-srv.h @@ -0,0 +1,75 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * RDMA Network Block Driver + * + * Copyright (c) 2014 - 2018 ProfitBricks GmbH. All rights reserved. + * Copyright (c) 2018 - 2019 1&1 IONOS Cloud GmbH. All rights reserved. + * Copyright (c) 2019 - 2020 1&1 IONOS SE. All rights reserved. + */ +#ifndef RNBD_SRV_H +#define RNBD_SRV_H + +#include <linux/types.h> +#include <linux/idr.h> +#include <linux/kref.h> + +#include <rtrs.h> +#include "rnbd-proto.h" +#include "rnbd-log.h" + +struct rnbd_srv_session { + /* Entry inside global sess_list */ + struct list_head list; + struct rtrs_srv_sess *rtrs; + char sessname[NAME_MAX]; + int queue_depth; + + struct xarray index_idr; + struct mutex lock; + u8 ver; +}; + +struct rnbd_srv_dev { + /* Entry inside global dev_list */ + struct list_head list; + struct kobject dev_kobj; + struct kobject *dev_sessions_kobj; + struct kref kref; + char name[NAME_MAX]; + /* List of rnbd_srv_sess_dev structs */ + struct list_head sess_dev_list; + struct mutex lock; + int open_write_cnt; +}; + +/* Structure which binds N devices and N sessions */ +struct rnbd_srv_sess_dev { + /* Entry inside rnbd_srv_dev struct */ + struct list_head dev_list; + struct block_device *bdev; + struct rnbd_srv_session *sess; + struct rnbd_srv_dev *dev; + struct kobject kobj; + u32 device_id; + bool keep_id; + bool readonly; + struct kref kref; + struct completion *destroy_comp; + char pathname[NAME_MAX]; + enum rnbd_access_mode access_mode; +}; + +void rnbd_srv_sess_dev_force_close(struct rnbd_srv_sess_dev *sess_dev, + struct kobj_attribute *attr); +/* rnbd-srv-sysfs.c */ + +int rnbd_srv_create_dev_sysfs(struct rnbd_srv_dev *dev, + struct block_device *bdev); +void rnbd_srv_destroy_dev_sysfs(struct rnbd_srv_dev *dev); +int rnbd_srv_create_dev_session_sysfs(struct rnbd_srv_sess_dev *sess_dev); +void rnbd_srv_destroy_dev_session_sysfs(struct rnbd_srv_sess_dev *sess_dev); +int rnbd_srv_create_sysfs_files(void); +void rnbd_srv_destroy_sysfs_files(void); +void rnbd_destroy_sess_dev(struct rnbd_srv_sess_dev *sess_dev, bool keep_id); + +#endif /* RNBD_SRV_H */ |