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TOMOYO Linux Cross Reference
Linux/include/linux/bsg.h

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  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef _LINUX_BSG_H
  3 #define _LINUX_BSG_H
  4 
  5 #include <uapi/linux/bsg.h>
  6 
  7 struct request;
  8 
  9 #ifdef CONFIG_BLK_DEV_BSG
 10 struct bsg_ops {
 11         int     (*check_proto)(struct sg_io_v4 *hdr);
 12         int     (*fill_hdr)(struct request *rq, struct sg_io_v4 *hdr,
 13                                 fmode_t mode);
 14         int     (*complete_rq)(struct request *rq, struct sg_io_v4 *hdr);
 15         void    (*free_rq)(struct request *rq);
 16 };
 17 
 18 struct bsg_class_device {
 19         struct device *class_dev;
 20         int minor;
 21         struct request_queue *queue;
 22         const struct bsg_ops *ops;
 23 };
 24 
 25 int bsg_register_queue(struct request_queue *q, struct device *parent,
 26                 const char *name, const struct bsg_ops *ops);
 27 int bsg_scsi_register_queue(struct request_queue *q, struct device *parent);
 28 void bsg_unregister_queue(struct request_queue *q);
 29 #else
 30 static inline int bsg_scsi_register_queue(struct request_queue *q,
 31                 struct device *parent)
 32 {
 33         return 0;
 34 }
 35 static inline void bsg_unregister_queue(struct request_queue *q)
 36 {
 37 }
 38 #endif /* CONFIG_BLK_DEV_BSG */
 39 #endif /* _LINUX_BSG_H */
 40 

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