/* 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 */