root/include/linux/bsg.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_BSG_H
#define _LINUX_BSG_H

#include <uapi/linux/bsg.h>

struct bsg_device;
struct device;
struct request_queue;
struct io_uring_cmd;

typedef int (bsg_sg_io_fn)(struct request_queue *, struct sg_io_v4 *hdr,
                bool open_for_write, unsigned int timeout);

typedef int (bsg_uring_cmd_fn)(struct request_queue *q, struct io_uring_cmd *ioucmd,
                               unsigned int issue_flags, bool open_for_write);

struct bsg_device *bsg_register_queue(struct request_queue *q,
                struct device *parent, const char *name,
                bsg_sg_io_fn *sg_io_fn, bsg_uring_cmd_fn *uring_cmd_fn);
void bsg_unregister_queue(struct bsg_device *bcd);

#endif /* _LINUX_BSG_H */