1 /* 2 * zfcp device driver 3 * 4 * External function declarations. 5 * 6 * Copyright IBM Corp. 2002, 2010 7 */ 8 9 #ifndef ZFCP_EXT_H 10 #define ZFCP_EXT_H 11 12 #include <linux/types.h> 13 #include <scsi/fc/fc_els.h> 14 #include "zfcp_def.h" 15 #include "zfcp_fc.h" 16 17 /* zfcp_aux.c */ 18 extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64); 19 extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *); 20 extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32, 21 u32); 22 extern void zfcp_sg_free_table(struct scatterlist *, int); 23 extern int zfcp_sg_setup_table(struct scatterlist *, int); 24 extern void zfcp_adapter_release(struct kref *); 25 extern void zfcp_adapter_unregister(struct zfcp_adapter *); 26 27 /* zfcp_ccw.c */ 28 extern struct ccw_driver zfcp_ccw_driver; 29 extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *); 30 extern void zfcp_ccw_adapter_put(struct zfcp_adapter *); 31 32 /* zfcp_dbf.c */ 33 extern int zfcp_dbf_adapter_register(struct zfcp_adapter *); 34 extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *); 35 extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *, 36 struct zfcp_port *, struct scsi_device *, u8, u8); 37 extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *); 38 extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *); 39 extern void zfcp_dbf_hba_fsf_res(char *, struct zfcp_fsf_req *); 40 extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *); 41 extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *); 42 extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **); 43 extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *); 44 extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32); 45 extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *); 46 extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *); 47 extern void zfcp_dbf_scsi(char *, struct scsi_cmnd *, struct zfcp_fsf_req *); 48 49 /* zfcp_erp.c */ 50 extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32); 51 extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32); 52 extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *); 53 extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *); 54 extern void zfcp_erp_set_port_status(struct zfcp_port *, u32); 55 extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32); 56 extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *); 57 extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *); 58 extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *); 59 extern void zfcp_erp_set_lun_status(struct scsi_device *, u32); 60 extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32); 61 extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *); 62 extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *); 63 extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *); 64 extern int zfcp_erp_thread_setup(struct zfcp_adapter *); 65 extern void zfcp_erp_thread_kill(struct zfcp_adapter *); 66 extern void zfcp_erp_wait(struct zfcp_adapter *); 67 extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long); 68 extern void zfcp_erp_timeout_handler(unsigned long); 69 70 /* zfcp_fc.c */ 71 extern struct kmem_cache *zfcp_fc_req_cache; 72 extern void zfcp_fc_enqueue_event(struct zfcp_adapter *, 73 enum fc_host_event_code event_code, u32); 74 extern void zfcp_fc_post_event(struct work_struct *); 75 extern void zfcp_fc_scan_ports(struct work_struct *); 76 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *); 77 extern void zfcp_fc_port_did_lookup(struct work_struct *); 78 extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *); 79 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *); 80 extern void zfcp_fc_test_link(struct zfcp_port *); 81 extern void zfcp_fc_link_test_work(struct work_struct *); 82 extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *); 83 extern int zfcp_fc_gs_setup(struct zfcp_adapter *); 84 extern void zfcp_fc_gs_destroy(struct zfcp_adapter *); 85 extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *); 86 extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *); 87 extern void zfcp_fc_sym_name_update(struct work_struct *); 88 extern unsigned int zfcp_fc_port_scan_backoff(void); 89 extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *); 90 extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *); 91 92 /* zfcp_fsf.c */ 93 extern struct kmem_cache *zfcp_fsf_qtcb_cache; 94 extern int zfcp_fsf_open_port(struct zfcp_erp_action *); 95 extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *); 96 extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *); 97 extern int zfcp_fsf_close_port(struct zfcp_erp_action *); 98 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); 99 extern int zfcp_fsf_open_lun(struct zfcp_erp_action *); 100 extern int zfcp_fsf_close_lun(struct zfcp_erp_action *); 101 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); 102 extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *, 103 struct fsf_qtcb_bottom_config *); 104 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *); 105 extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *, 106 struct fsf_qtcb_bottom_port *); 107 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); 108 extern int zfcp_fsf_status_read(struct zfcp_qdio *); 109 extern int zfcp_status_read_refill(struct zfcp_adapter *adapter); 110 extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *, 111 mempool_t *, unsigned int); 112 extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32, 113 struct zfcp_fsf_ct_els *, unsigned int); 114 extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *); 115 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *); 116 extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8); 117 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *); 118 extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int); 119 120 /* zfcp_qdio.c */ 121 extern int zfcp_qdio_setup(struct zfcp_adapter *); 122 extern void zfcp_qdio_destroy(struct zfcp_qdio *); 123 extern int zfcp_qdio_sbal_get(struct zfcp_qdio *); 124 extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *); 125 extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *, 126 struct scatterlist *); 127 extern int zfcp_qdio_open(struct zfcp_qdio *); 128 extern void zfcp_qdio_close(struct zfcp_qdio *); 129 extern void zfcp_qdio_siosl(struct zfcp_adapter *); 130 131 /* zfcp_scsi.c */ 132 extern struct scsi_transport_template *zfcp_scsi_transport_template; 133 extern int zfcp_scsi_adapter_register(struct zfcp_adapter *); 134 extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *); 135 extern struct fc_function_template zfcp_transport_functions; 136 extern void zfcp_scsi_rport_work(struct work_struct *); 137 extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *); 138 extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *); 139 extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *); 140 extern void zfcp_scsi_set_prot(struct zfcp_adapter *); 141 extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int); 142 143 /* zfcp_sysfs.c */ 144 extern const struct attribute_group *zfcp_unit_attr_groups[]; 145 extern struct attribute_group zfcp_sysfs_adapter_attrs; 146 extern const struct attribute_group *zfcp_port_attr_groups[]; 147 extern struct mutex zfcp_sysfs_port_units_mutex; 148 extern struct device_attribute *zfcp_sysfs_sdev_attrs[]; 149 extern struct device_attribute *zfcp_sysfs_shost_attrs[]; 150 151 /* zfcp_unit.c */ 152 extern int zfcp_unit_add(struct zfcp_port *, u64); 153 extern int zfcp_unit_remove(struct zfcp_port *, u64); 154 extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64); 155 extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit); 156 extern void zfcp_unit_scsi_scan(struct zfcp_unit *); 157 extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *); 158 extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *); 159 160 #endif /* ZFCP_EXT_H */ 161