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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/scsi/scsi_driver.h
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/* SPDX-License-Identifier: GPL-2.0 */

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#ifndef _SCSI_SCSI_DRIVER_H

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#define _SCSI_SCSI_DRIVER_H

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#include <linux/blk_types.h>

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#include <linux/device.h>

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#include <scsi/scsi_cmnd.h>

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struct module;

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struct request;

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struct scsi_driver {

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	struct device_driver	gendrv;

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	int (*resume)(struct device *);

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	void (*rescan)(struct device *);

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	blk_status_t (*init_command)(struct scsi_cmnd *);

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	void (*uninit_command)(struct scsi_cmnd *);

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	int (*done)(struct scsi_cmnd *);

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	int (*eh_action)(struct scsi_cmnd *, int);

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	void (*eh_reset)(struct scsi_cmnd *);

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};

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#define to_scsi_driver(drv) \

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	container_of((drv), struct scsi_driver, gendrv)

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#define scsi_register_driver(drv) \

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	__scsi_register_driver(drv, THIS_MODULE)

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int __scsi_register_driver(struct device_driver *, struct module *);

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#define scsi_unregister_driver(drv) \

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	driver_unregister(drv);

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extern int scsi_register_interface(struct class_interface *);

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#define scsi_unregister_interface(intf) \

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	class_interface_unregister(intf)

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/* make sure not to use it with passthrough commands */

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static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)

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{

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	return to_scsi_driver(cmd->device->sdev_gendev.driver);

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}

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#endif /* _SCSI_SCSI_DRIVER_H */

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