/* * zfcp device driver * * External function declarations. * * Copyright IBM Corp. 2002, 2010 */ #ifndef ZFCP_EXT_H #define ZFCP_EXT_H #include <linux/types.h> #include <scsi/fc/fc_els.h> #include "zfcp_def.h" #include "zfcp_fc.h" /* zfcp_aux.c */ extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64); extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *); extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32, u32); extern void zfcp_sg_free_table(struct scatterlist *, int); extern int zfcp_sg_setup_table(struct scatterlist *, int); extern void zfcp_device_unregister(struct device *, const struct attribute_group *); extern void zfcp_adapter_release(struct kref *); extern void zfcp_adapter_unregister(struct zfcp_adapter *); /* zfcp_ccw.c */ extern int zfcp_ccw_priv_sch(struct zfcp_adapter *); extern struct ccw_driver zfcp_ccw_driver; extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *); extern void zfcp_ccw_adapter_put(struct zfcp_adapter *); /* zfcp_cfdc.c */ extern struct miscdevice zfcp_cfdc_misc; extern void zfcp_cfdc_port_denied(struct zfcp_port *, union fsf_status_qual *); extern void zfcp_cfdc_lun_denied(struct scsi_device *, union fsf_status_qual *); extern void zfcp_cfdc_lun_shrng_vltn(struct scsi_device *, union fsf_status_qual *); extern int zfcp_cfdc_open_lun_eval(struct scsi_device *, struct fsf_qtcb_bottom_support *); extern void zfcp_cfdc_adapter_access_changed(struct zfcp_adapter *); /* zfcp_dbf.c */ extern int zfcp_dbf_adapter_register(struct zfcp_adapter *); extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *); extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *, struct zfcp_port *, struct scsi_device *, u8, u8); extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *); extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *); extern void zfcp_dbf_hba_fsf_res(char *, struct zfcp_fsf_req *); extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *); extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *); extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **); extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *); extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32); extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *); extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *); extern void zfcp_dbf_scsi(char *, struct scsi_cmnd *, struct zfcp_fsf_req *); /* zfcp_erp.c */ extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32); extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32); extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *); extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *); extern void zfcp_erp_set_port_status(struct zfcp_port *, u32); extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32); extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *); extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *); extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *); extern void zfcp_erp_set_lun_status(struct scsi_device *, u32); extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32); extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *); extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *); extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *); extern int zfcp_erp_thread_setup(struct zfcp_adapter *); extern void zfcp_erp_thread_kill(struct zfcp_adapter *); extern void zfcp_erp_wait(struct zfcp_adapter *); extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long); extern void zfcp_erp_timeout_handler(unsigned long); /* zfcp_fc.c */ extern struct kmem_cache *zfcp_fc_req_cache; extern void zfcp_fc_enqueue_event(struct zfcp_adapter *, enum fc_host_event_code event_code, u32); extern void zfcp_fc_post_event(struct work_struct *); extern void zfcp_fc_scan_ports(struct work_struct *); extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *); extern void zfcp_fc_port_did_lookup(struct work_struct *); extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *); extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *); extern void zfcp_fc_test_link(struct zfcp_port *); extern void zfcp_fc_link_test_work(struct work_struct *); extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *); extern int zfcp_fc_gs_setup(struct zfcp_adapter *); extern void zfcp_fc_gs_destroy(struct zfcp_adapter *); extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *); extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *); extern void zfcp_fc_sym_name_update(struct work_struct *); extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *); extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *); /* zfcp_fsf.c */ extern struct kmem_cache *zfcp_fsf_qtcb_cache; extern int zfcp_fsf_open_port(struct zfcp_erp_action *); extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *); extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *); extern int zfcp_fsf_close_port(struct zfcp_erp_action *); extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); extern int zfcp_fsf_open_lun(struct zfcp_erp_action *); extern int zfcp_fsf_close_lun(struct zfcp_erp_action *); extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *, struct fsf_qtcb_bottom_config *); extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *); extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *, struct fsf_qtcb_bottom_port *); extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *, struct zfcp_fsf_cfdc *); extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); extern int zfcp_fsf_status_read(struct zfcp_qdio *); extern int zfcp_status_read_refill(struct zfcp_adapter *adapter); extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *, mempool_t *, unsigned int); extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32, struct zfcp_fsf_ct_els *, unsigned int); extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *); extern void zfcp_fsf_req_free(struct zfcp_fsf_req *); extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8); extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *); extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int); /* zfcp_qdio.c */ extern int zfcp_qdio_setup(struct zfcp_adapter *); extern void zfcp_qdio_destroy(struct zfcp_qdio *); extern int zfcp_qdio_sbal_get(struct zfcp_qdio *); extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *); extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *, struct scatterlist *); extern int zfcp_qdio_open(struct zfcp_qdio *); extern void zfcp_qdio_close(struct zfcp_qdio *); extern void zfcp_qdio_siosl(struct zfcp_adapter *); extern struct zfcp_fsf_req *zfcp_fsf_get_req(struct zfcp_qdio *, struct qdio_buffer *); /* zfcp_scsi.c */ extern struct scsi_transport_template *zfcp_scsi_transport_template; extern int zfcp_scsi_adapter_register(struct zfcp_adapter *); extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *); extern struct fc_function_template zfcp_transport_functions; extern void zfcp_scsi_rport_work(struct work_struct *); extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *); extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *); extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *); extern void zfcp_scsi_set_prot(struct zfcp_adapter *); extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int); /* zfcp_sysfs.c */ extern struct attribute_group zfcp_sysfs_unit_attrs; extern struct attribute_group zfcp_sysfs_adapter_attrs; extern struct attribute_group zfcp_sysfs_port_attrs; extern struct mutex zfcp_sysfs_port_units_mutex; extern struct device_attribute *zfcp_sysfs_sdev_attrs[]; extern struct device_attribute *zfcp_sysfs_shost_attrs[]; /* zfcp_unit.c */ extern int zfcp_unit_add(struct zfcp_port *, u64); extern int zfcp_unit_remove(struct zfcp_port *, u64); extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64); extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit); extern void zfcp_unit_scsi_scan(struct zfcp_unit *); extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *); extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *); #endif /* ZFCP_EXT_H */