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/* 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 */