diff options
Diffstat (limited to 'include/scsi/scsi_dh.h')
| -rw-r--r-- | include/scsi/scsi_dh.h | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/include/scsi/scsi_dh.h b/include/scsi/scsi_dh.h index 620c723ee8ed..85d731746834 100644 --- a/include/scsi/scsi_dh.h +++ b/include/scsi/scsi_dh.h @@ -55,11 +55,26 @@ enum { SCSI_DH_NOSYS, SCSI_DH_DRIVER_MAX, }; -#if defined(CONFIG_SCSI_DH) || defined(CONFIG_SCSI_DH_MODULE) + +typedef void (*activate_complete)(void *, int); +struct scsi_device_handler { + /* Used by the infrastructure */ + struct list_head list; /* list of scsi_device_handlers */ + + /* Filled by the hardware handler */ + struct module *module; + const char *name; + int (*check_sense)(struct scsi_device *, struct scsi_sense_hdr *); + int (*attach)(struct scsi_device *); + void (*detach)(struct scsi_device *); + int (*activate)(struct scsi_device *, activate_complete, void *); + int (*prep_fn)(struct scsi_device *, struct request *); + int (*set_params)(struct scsi_device *, const char *); +}; + +#ifdef CONFIG_SCSI_DH extern int scsi_dh_activate(struct request_queue *, activate_complete, void *); -extern int scsi_dh_handler_exist(const char *); extern int scsi_dh_attach(struct request_queue *, const char *); -extern void scsi_dh_detach(struct request_queue *); extern const char *scsi_dh_attached_handler_name(struct request_queue *, gfp_t); extern int scsi_dh_set_params(struct request_queue *, const char *); #else @@ -69,18 +84,10 @@ static inline int scsi_dh_activate(struct request_queue *req, fn(data, 0); return 0; } -static inline int scsi_dh_handler_exist(const char *name) -{ - return 0; -} static inline int scsi_dh_attach(struct request_queue *req, const char *name) { return SCSI_DH_NOSYS; } -static inline void scsi_dh_detach(struct request_queue *q) -{ - return; -} static inline const char *scsi_dh_attached_handler_name(struct request_queue *q, gfp_t gfp) { |