| 1 | #ifndef BSG_H |
| 2 | #define BSG_H |
| 3 | |
| 4 | #include <uapi/linux/bsg.h> |
| 5 | |
| 6 | |
| 7 | #if defined(CONFIG_BLK_DEV_BSG) |
| 8 | struct bsg_class_device { |
| 9 | struct device *class_dev; |
| 10 | struct device *parent; |
| 11 | int minor; |
| 12 | struct request_queue *queue; |
| 13 | struct kref ref; |
| 14 | void (*release)(struct device *); |
| 15 | }; |
| 16 | |
| 17 | extern int bsg_register_queue(struct request_queue *q, |
| 18 | struct device *parent, const char *name, |
| 19 | void (*release)(struct device *)); |
| 20 | extern void bsg_unregister_queue(struct request_queue *); |
| 21 | #else |
| 22 | static inline int bsg_register_queue(struct request_queue *q, |
| 23 | struct device *parent, const char *name, |
| 24 | void (*release)(struct device *)) |
| 25 | { |
| 26 | return 0; |
| 27 | } |
| 28 | static inline void bsg_unregister_queue(struct request_queue *q) |
| 29 | { |
| 30 | } |
| 31 | #endif |
| 32 | |
| 33 | #endif |