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ead09dd3ae
Use the per-device cdev_device_interface to store the bsg data in the char device inode, and thus remove the need to embedd the bsg_class_device structure in the request_queue. Link: https://lore.kernel.org/r/20210729064845.1044147-2-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
25 lines
641 B
C
25 lines
641 B
C
/* 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 bsg_device;
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struct device;
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struct request;
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struct request_queue;
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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_device *bsg_register_queue(struct request_queue *q,
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struct device *parent, const char *name,
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const struct bsg_ops *ops);
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void bsg_unregister_queue(struct bsg_device *bcd);
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#endif /* _LINUX_BSG_H */
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