scsi: core: Store owner from modules with scsi_register_driver()
[linux-2.6-block.git] / include / scsi / scsi_driver.h
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b2441318 1/* SPDX-License-Identifier: GPL-2.0 */
1da177e4
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2#ifndef _SCSI_SCSI_DRIVER_H
3#define _SCSI_SCSI_DRIVER_H
4
159b2cbf 5#include <linux/blk_types.h>
1da177e4 6#include <linux/device.h>
e7f76552 7#include <scsi/scsi_cmnd.h>
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8
9struct module;
a1b73fc1 10struct request;
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11
12struct scsi_driver {
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13 struct device_driver gendrv;
14
1da177e4 15 void (*rescan)(struct device *);
159b2cbf 16 blk_status_t (*init_command)(struct scsi_cmnd *);
a1b73fc1 17 void (*uninit_command)(struct scsi_cmnd *);
7b3d9545 18 int (*done)(struct scsi_cmnd *);
2451079b 19 int (*eh_action)(struct scsi_cmnd *, int);
7a38dc0b 20 void (*eh_reset)(struct scsi_cmnd *);
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21};
22#define to_scsi_driver(drv) \
23 container_of((drv), struct scsi_driver, gendrv)
24
65a09ba2
KK
25#define scsi_register_driver(drv) \
26 __scsi_register_driver(drv, THIS_MODULE)
27int __scsi_register_driver(struct device_driver *, struct module *);
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28#define scsi_unregister_driver(drv) \
29 driver_unregister(drv);
30
31extern int scsi_register_interface(struct class_interface *);
32#define scsi_unregister_interface(intf) \
33 class_interface_unregister(intf)
34
e7f76552
CH
35/* make sure not to use it with passthrough commands */
36static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
37{
38 return to_scsi_driver(cmd->device->sdev_gendev.driver);
39}
40
1da177e4 41#endif /* _SCSI_SCSI_DRIVER_H */