1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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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 | extern int scsi_register_driver(struct device_driver *); |
27 | #define scsi_unregister_driver(drv) \ |
28 | driver_unregister(drv); |
29 | |
30 | extern int scsi_register_interface(struct class_interface *); |
31 | #define scsi_unregister_interface(intf) \ |
32 | class_interface_unregister(intf) |
33 | |
34 | /* make sure not to use it with passthrough commands */ |
35 | static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd) |
36 | { |
37 | return to_scsi_driver(cmd->device->sdev_gendev.driver); |
38 | } |
39 | |
40 | #endif /* _SCSI_SCSI_DRIVER_H */ |
41 |