Cregit: bsg.h

Contributors: 8
Author	Tokens	Token Proportion	Commits	Commit Proportion
Christoph Hellwig	102	52.85%	1	9.09%
Jens Axboe	39	20.21%	1	9.09%
James Bottomley	25	12.95%	2	18.18%
FUJITA Tomonori	22	11.40%	3	27.27%
Douglas Gilbert	2	1.04%	1	9.09%
Greg Kroah-Hartman	1	0.52%	1	9.09%
David Howells	1	0.52%	1	9.09%
Tony Jones	1	0.52%	1	9.09%
Total	193		11

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_BSG_H
#define _LINUX_BSG_H

#include <uapi/linux/bsg.h>

struct request;

#ifdef CONFIG_BLK_DEV_BSG
struct bsg_ops {
	int	(*check_proto)(struct sg_io_v4 *hdr);
	int	(*fill_hdr)(struct request *rq, struct sg_io_v4 *hdr,
				fmode_t mode);
	int	(*complete_rq)(struct request *rq, struct sg_io_v4 *hdr);
	void	(*free_rq)(struct request *rq);
};

struct bsg_class_device {
	struct device *class_dev;
	int minor;
	struct request_queue *queue;
	const struct bsg_ops *ops;
};

int bsg_register_queue(struct request_queue *q, struct device *parent,
		const char *name, const struct bsg_ops *ops);
int bsg_scsi_register_queue(struct request_queue *q, struct device *parent);
void bsg_unregister_queue(struct request_queue *q);
#else
static inline int bsg_scsi_register_queue(struct request_queue *q,
		struct device *parent)
{
	return 0;
}
static inline void bsg_unregister_queue(struct request_queue *q)
{
}
#endif /* CONFIG_BLK_DEV_BSG */
#endif /* _LINUX_BSG_H */