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 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