| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * zfcp device driver |
| * |
| * External function declarations. |
| * |
| * Copyright IBM Corp. 2002, 2020 |
| */ |
| |
| #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_adapter_release(struct kref *); |
| extern void zfcp_adapter_unregister(struct zfcp_adapter *); |
| |
| /* zfcp_ccw.c */ |
| 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_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_trig_lock(char *tag, struct zfcp_adapter *adapter, |
| struct zfcp_port *port, |
| struct scsi_device *sdev, u8 want, u8 need); |
| extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *); |
| extern void zfcp_dbf_rec_run_lvl(int level, char *tag, |
| struct zfcp_erp_action *erp); |
| extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64); |
| extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *); |
| extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *); |
| extern void zfcp_dbf_hba_fsf_fces(char *tag, const struct zfcp_fsf_req *req, |
| u64 wwpn, u32 fc_security_old, |
| u32 fc_security_new); |
| extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *); |
| extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **); |
| 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_common(char *tag, int level, struct scsi_device *sdev, |
| struct scsi_cmnd *sc, |
| struct zfcp_fsf_req *fsf); |
| extern void zfcp_dbf_scsi_eh(char *tag, struct zfcp_adapter *adapter, |
| unsigned int scsi_id, int ret); |
| |
| /* 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_port_forced_no_port_dbf(char *dbftag, |
| struct zfcp_adapter *adapter, |
| u64 port_name, u32 port_id); |
| 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 void zfcp_erp_port_reopen(struct zfcp_port *port, int clear, |
| char *dbftag); |
| 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_port_forced_reopen_all(struct zfcp_adapter *adapter, |
| int clear, char *dbftag); |
| 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(struct timer_list *t); |
| extern void zfcp_erp_adapter_reset_sync(struct zfcp_adapter *adapter, |
| char *dbftag); |
| |
| /* 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 bsg_job *); |
| extern int zfcp_fc_timeout_bsg_job(struct bsg_job *); |
| extern void zfcp_fc_sym_name_update(struct work_struct *); |
| extern unsigned int zfcp_fc_port_scan_backoff(void); |
| 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 u32 zfcp_fsf_convert_portspeed(u32 fsf_speed); |
| 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 void zfcp_fsf_fc_host_link_down(struct zfcp_adapter *adapter); |
| extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_device *sdev, |
| u8 tm_flags); |
| extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *); |
| extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int); |
| enum zfcp_fsf_print_fmt { |
| ZFCP_FSF_PRINT_FMT_LIST, |
| ZFCP_FSF_PRINT_FMT_SINGLEITEM, |
| }; |
| extern ssize_t zfcp_fsf_scnprint_fc_security(char *buf, size_t size, |
| u32 fc_security, |
| enum zfcp_fsf_print_fmt fmt); |
| |
| /* 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 void zfcp_qdio_shost_update(struct zfcp_adapter *const adapter, |
| const struct zfcp_qdio *const qdio); |
| extern int zfcp_qdio_open(struct zfcp_qdio *); |
| extern void zfcp_qdio_close(struct zfcp_qdio *); |
| extern void zfcp_qdio_siosl(struct zfcp_adapter *); |
| |
| /* zfcp_scsi.c */ |
| extern bool zfcp_experimental_dix; |
| 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); |
| extern void zfcp_scsi_shost_update_config_data( |
| struct zfcp_adapter *const adapter, |
| const struct fsf_qtcb_bottom_config *const bottom, |
| const bool bottom_incomplete); |
| extern void zfcp_scsi_shost_update_port_data( |
| struct zfcp_adapter *const adapter, |
| const struct fsf_qtcb_bottom_port *const bottom); |
| |
| /* zfcp_sysfs.c */ |
| extern const struct attribute_group *zfcp_unit_attr_groups[]; |
| extern struct attribute_group zfcp_sysfs_adapter_attrs; |
| extern const struct attribute_group *zfcp_port_attr_groups[]; |
| extern struct mutex zfcp_sysfs_port_units_mutex; |
| extern struct device_attribute *zfcp_sysfs_sdev_attrs[]; |
| extern struct device_attribute *zfcp_sysfs_shost_attrs[]; |
| extern const struct attribute_group zfcp_sysfs_diag_attr_group; |
| bool zfcp_sysfs_port_is_removing(const struct zfcp_port *const port); |
| |
| /* 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 */ |
