| /* 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 */ |