diff options
Diffstat (limited to 'include/scsi/scsi_driver.h')
| -rw-r--r-- | include/scsi/scsi_driver.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h new file mode 100644 index 000000000..4ce1988b2 --- /dev/null +++ b/include/scsi/scsi_driver.h @@ -0,0 +1,39 @@ +/* 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> +#include <scsi/scsi_cmnd.h> + +struct module; +struct request; + +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) + +/* make sure not to use it with passthrough commands */ +static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd) +{ + return to_scsi_driver(cmd->device->sdev_gendev.driver); +} + +#endif /* _SCSI_SCSI_DRIVER_H */ |