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39 lines
1012 B
39 lines
1012 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _LINUX_BSG_H |
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#define _LINUX_BSG_H |
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#include <uapi/linux/bsg.h> |
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struct request; |
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#ifdef CONFIG_BLK_DEV_BSG |
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struct bsg_ops { |
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int (*check_proto)(struct sg_io_v4 *hdr); |
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int (*fill_hdr)(struct request *rq, struct sg_io_v4 *hdr, |
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fmode_t mode); |
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int (*complete_rq)(struct request *rq, struct sg_io_v4 *hdr); |
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void (*free_rq)(struct request *rq); |
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}; |
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struct bsg_class_device { |
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struct device *class_dev; |
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int minor; |
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struct request_queue *queue; |
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const struct bsg_ops *ops; |
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}; |
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int bsg_register_queue(struct request_queue *q, struct device *parent, |
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const char *name, const struct bsg_ops *ops); |
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int bsg_scsi_register_queue(struct request_queue *q, struct device *parent); |
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void bsg_unregister_queue(struct request_queue *q); |
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#else |
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static inline int bsg_scsi_register_queue(struct request_queue *q, |
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struct device *parent) |
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{ |
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return 0; |
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} |
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static inline void bsg_unregister_queue(struct request_queue *q) |
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{ |
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} |
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#endif /* CONFIG_BLK_DEV_BSG */ |
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#endif /* _LINUX_BSG_H */
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