| 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 | 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 | |
| 25 | extern int scsi_register_driver(struct device_driver *); |
| 26 | #define scsi_unregister_driver(drv) \ |
| 27 | driver_unregister(drv); |
| 28 | |
| 29 | extern 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 */ |
| 34 | static 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 */ |
| 40 |