linux/drivers/block/rnbd/rnbd-clt.h

/* 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_CLT_H
#define RNBD_CLT_H

#include <linux/wait.h>
#include <linux/in.h>
#include <linux/inet.h>
#include <linux/blk-mq.h>
#include <linux/refcount.h>

#include <rtrs.h>
#include "rnbd-proto.h"
#include "rnbd-log.h"

/*  time in seconds between reconnect tries, default to 30 s */
#define RECONNECT_DELAY …
/*
 * Number of times to reconnect on error before giving up, 0 for * disabled,
 * -1 for forever
 */
#define MAX_RECONNECTS …

enum rnbd_clt_dev_state { … };

struct rnbd_iu_comp { … };

#ifdef CONFIG_ARCH_NO_SG_CHAIN
#define RNBD_INLINE_SG_CNT …
#else
#define RNBD_INLINE_SG_CNT …
#endif
#define RNBD_RDMA_SGL_SIZE …

struct rnbd_iu { … };

struct rnbd_cpu_qlist { … };

struct rnbd_clt_session { … };

/**
 * Submission queues.
 */
struct rnbd_queue { … };

struct rnbd_clt_dev { … };

/* rnbd-clt.c */

struct rnbd_clt_dev *rnbd_clt_map_device(const char *sessname,
					   struct rtrs_addr *paths,
					   size_t path_cnt, u16 port_nr,
					   const char *pathname,
					   enum rnbd_access_mode access_mode,
					   u32 nr_poll_queues);
int rnbd_clt_unmap_device(struct rnbd_clt_dev *dev, bool force,
			   const struct attribute *sysfs_self);

int rnbd_clt_remap_device(struct rnbd_clt_dev *dev);
int rnbd_clt_resize_disk(struct rnbd_clt_dev *dev, sector_t newsize);

/* rnbd-clt-sysfs.c */

int rnbd_clt_create_sysfs_files(void);

void rnbd_clt_destroy_sysfs_files(void);

void rnbd_clt_remove_dev_symlink(struct rnbd_clt_dev *dev);

#endif /* RNBD_CLT_H */