diff options
Diffstat (limited to 'sys/cam/cam_xpt.h')
| -rw-r--r-- | sys/cam/cam_xpt.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sys/cam/cam_xpt.h b/sys/cam/cam_xpt.h index 26ca65769d12..283cad1c34e6 100644 --- a/sys/cam/cam_xpt.h +++ b/sys/cam/cam_xpt.h @@ -48,7 +48,45 @@ struct cam_path; #ifdef _KERNEL +/* + * Definition of an async handler callback block. These are used to add + * SIMs and peripherals to the async callback lists. + */ +struct async_node { + SLIST_ENTRY(async_node) links; + u_int32_t event_enable; /* Async Event enables */ + void (*callback)(void *arg, u_int32_t code, + struct cam_path *path, void *args); + void *callback_arg; +}; + +SLIST_HEAD(async_list, async_node); +SLIST_HEAD(periph_list, cam_periph); + +#if defined(CAM_DEBUG_FLAGS) && !defined(CAMDEBUG) +#error "You must have options CAMDEBUG to use options CAM_DEBUG_FLAGS" +#endif + +/* + * In order to enable the CAM_DEBUG_* options, the user must have CAMDEBUG + * enabled. Also, the user must have either none, or all of CAM_DEBUG_BUS, + * CAM_DEBUG_TARGET, and CAM_DEBUG_LUN specified. + */ +#if defined(CAM_DEBUG_BUS) || defined(CAM_DEBUG_TARGET) \ + || defined(CAM_DEBUG_LUN) +#ifdef CAMDEBUG +#if !defined(CAM_DEBUG_BUS) || !defined(CAM_DEBUG_TARGET) \ + || !defined(CAM_DEBUG_LUN) +#error "You must define all or none of CAM_DEBUG_BUS, CAM_DEBUG_TARGET \ + and CAM_DEBUG_LUN" +#endif /* !CAM_DEBUG_BUS || !CAM_DEBUG_TARGET || !CAM_DEBUG_LUN */ +#else /* !CAMDEBUG */ +#error "You must use options CAMDEBUG if you use the CAM_DEBUG_* options" +#endif /* CAMDEBUG */ +#endif /* CAM_DEBUG_BUS || CAM_DEBUG_TARGET || CAM_DEBUG_LUN */ + void xpt_action(union ccb *new_ccb); +void xpt_action_default(union ccb *new_ccb); void xpt_setup_ccb(struct ccb_hdr *ccb_h, struct cam_path *path, u_int32_t priority); @@ -81,6 +119,14 @@ void xpt_lock_buses(void); void xpt_unlock_buses(void); cam_status xpt_register_async(int event, ac_callback_t *cbfunc, void *cbarg, struct cam_path *path); +cam_status xpt_compile_path(struct cam_path *new_path, + struct cam_periph *perph, + path_id_t path_id, + target_id_t target_id, + lun_id_t lun_id); + +void xpt_release_path(struct cam_path *path); + #endif /* _KERNEL */ #endif /* _CAM_CAM_XPT_H */ |