linux/include/scsi/scsi_driver.h
Christoph Hellwig 159b2cbf59 scsi: return blk_status_t from scsi_init_io and ->init_command
Replace the old BLKPREP_* values with the BLK_STS_ ones that they are
converted to later anyway.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-11-09 19:17:14 -07:00

35 lines
897 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SCSI_SCSI_DRIVER_H
#define _SCSI_SCSI_DRIVER_H
#include <linux/blk_types.h>
#include <linux/device.h>
struct module;
struct request;
struct scsi_cmnd;
struct scsi_device;
struct scsi_driver {
struct device_driver gendrv;
void (*rescan)(struct device *);
blk_status_t (*init_command)(struct scsi_cmnd *);
void (*uninit_command)(struct scsi_cmnd *);
int (*done)(struct scsi_cmnd *);
int (*eh_action)(struct scsi_cmnd *, int);
void (*eh_reset)(struct scsi_cmnd *);
};
#define to_scsi_driver(drv) \
container_of((drv), struct scsi_driver, gendrv)
extern int scsi_register_driver(struct device_driver *);
#define scsi_unregister_driver(drv) \
driver_unregister(drv);
extern int scsi_register_interface(struct class_interface *);
#define scsi_unregister_interface(intf) \
class_interface_unregister(intf)
#endif /* _SCSI_SCSI_DRIVER_H */