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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _SCSI_SCSI_DRIVER_H
3#define _SCSI_SCSI_DRIVER_H
4
5#include <linux/blk_types.h>
6#include <linux/device.h>
7#include <scsi/scsi_cmnd.h>
8
9struct module;
10struct request;
11
12struct scsi_driver {
13 struct device_driver gendrv;
14
15 void (*rescan)(struct device *);
16 blk_status_t (*init_command)(struct scsi_cmnd *);
17 void (*uninit_command)(struct scsi_cmnd *);
18 int (*done)(struct scsi_cmnd *);
19 int (*eh_action)(struct scsi_cmnd *, int);
20 void (*eh_reset)(struct scsi_cmnd *);
21};
22#define to_scsi_driver(drv) \
23 container_of((drv), struct scsi_driver, gendrv)
24
25extern int scsi_register_driver(struct device_driver *);
26#define scsi_unregister_driver(drv) \
27 driver_unregister(drv);
28
29extern int scsi_register_interface(struct class_interface *);
30#define scsi_unregister_interface(intf) \
31 class_interface_unregister(intf)
32
33/* make sure not to use it with passthrough commands */
34static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
35{
36 return to_scsi_driver(cmd->device->sdev_gendev.driver);
37}
38
39#endif /* _SCSI_SCSI_DRIVER_H */
1#ifndef _SCSI_SCSI_DRIVER_H
2#define _SCSI_SCSI_DRIVER_H
3
4#include <linux/device.h>
5
6struct module;
7struct scsi_cmnd;
8struct scsi_device;
9struct request;
10struct request_queue;
11
12
13struct scsi_driver {
14 struct module *owner;
15 struct device_driver gendrv;
16
17 void (*rescan)(struct device *);
18 int (*done)(struct scsi_cmnd *);
19 int (*eh_action)(struct scsi_cmnd *, int);
20};
21#define to_scsi_driver(drv) \
22 container_of((drv), struct scsi_driver, gendrv)
23
24extern int scsi_register_driver(struct device_driver *);
25#define scsi_unregister_driver(drv) \
26 driver_unregister(drv);
27
28extern int scsi_register_interface(struct class_interface *);
29#define scsi_unregister_interface(intf) \
30 class_interface_unregister(intf)
31
32int scsi_setup_blk_pc_cmnd(struct scsi_device *sdev, struct request *req);
33int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req);
34int scsi_prep_state_check(struct scsi_device *sdev, struct request *req);
35int scsi_prep_return(struct request_queue *q, struct request *req, int ret);
36int scsi_prep_fn(struct request_queue *, struct request *);
37
38#endif /* _SCSI_SCSI_DRIVER_H */