]> Git Repo - linux.git/blob - include/scsi/scsi_driver.h
Merge patch series "riscv: Extension parsing fixes"
[linux.git] / include / scsi / scsi_driver.h
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
9 struct module;
10 struct request;
11
12 struct scsi_driver {
13         struct device_driver    gendrv;
14
15         int (*resume)(struct device *);
16         void (*rescan)(struct device *);
17         blk_status_t (*init_command)(struct scsi_cmnd *);
18         void (*uninit_command)(struct scsi_cmnd *);
19         int (*done)(struct scsi_cmnd *);
20         int (*eh_action)(struct scsi_cmnd *, int);
21         void (*eh_reset)(struct scsi_cmnd *);
22 };
23 #define to_scsi_driver(drv) \
24         container_of((drv), struct scsi_driver, gendrv)
25
26 #define scsi_register_driver(drv) \
27         __scsi_register_driver(drv, THIS_MODULE)
28 int __scsi_register_driver(struct device_driver *, struct module *);
29 #define scsi_unregister_driver(drv) \
30         driver_unregister(drv);
31
32 extern int scsi_register_interface(struct class_interface *);
33 #define scsi_unregister_interface(intf) \
34         class_interface_unregister(intf)
35
36 /* make sure not to use it with passthrough commands */
37 static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
38 {
39         return to_scsi_driver(cmd->device->sdev_gendev.driver);
40 }
41
42 #endif /* _SCSI_SCSI_DRIVER_H */
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