1 /* 2 * zfcp device driver 3 * 4 * External function declarations. 5 * 6 * Copyright IBM Corporation 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_device_unregister(struct device *, 25 const struct attribute_group *); 26 extern void zfcp_adapter_release(struct kref *); 27 extern void zfcp_adapter_unregister(struct zfcp_adapter *); 28 29 /* zfcp_ccw.c */ 30 extern int zfcp_ccw_priv_sch(struct zfcp_adapter *); 31 extern struct ccw_driver zfcp_ccw_driver; 32 extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *); 33 extern void zfcp_ccw_adapter_put(struct zfcp_adapter *); 34 35 /* zfcp_cfdc.c */ 36 extern struct miscdevice zfcp_cfdc_misc; 37 extern void zfcp_cfdc_port_denied(struct zfcp_port *, union fsf_status_qual *); 38 extern void zfcp_cfdc_lun_denied(struct scsi_device *, union fsf_status_qual *); 39 extern void zfcp_cfdc_lun_shrng_vltn(struct scsi_device *, 40 union fsf_status_qual *); 41 extern int zfcp_cfdc_open_lun_eval(struct scsi_device *, 42 struct fsf_qtcb_bottom_support *); 43 extern void zfcp_cfdc_adapter_access_changed(struct zfcp_adapter *); 44 45 46 /* zfcp_dbf.c */ 47 extern int zfcp_dbf_adapter_register(struct zfcp_adapter *); 48 extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *); 49 extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *, 50 struct zfcp_port *, struct scsi_device *, u8, u8); 51 extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *); 52 extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *); 53 extern void zfcp_dbf_hba_fsf_res(char *, struct zfcp_fsf_req *); 54 extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *); 55 extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *); 56 extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32); 57 extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *); 58 extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *); 59 extern void zfcp_dbf_scsi(char *, struct scsi_cmnd *, struct zfcp_fsf_req *); 60 61 /* zfcp_erp.c */ 62 extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32); 63 extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32); 64 extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *); 65 extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *); 66 extern void zfcp_erp_set_port_status(struct zfcp_port *, u32); 67 extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32); 68 extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *); 69 extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *); 70 extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *); 71 extern void zfcp_erp_set_lun_status(struct scsi_device *, u32); 72 extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32); 73 extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *); 74 extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *); 75 extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *); 76 extern int zfcp_erp_thread_setup(struct zfcp_adapter *); 77 extern void zfcp_erp_thread_kill(struct zfcp_adapter *); 78 extern void zfcp_erp_wait(struct zfcp_adapter *); 79 extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long); 80 extern void zfcp_erp_timeout_handler(unsigned long); 81 82 /* zfcp_fc.c */ 83 extern void zfcp_fc_enqueue_event(struct zfcp_adapter *, 84 enum fc_host_event_code event_code, u32); 85 extern void zfcp_fc_post_event(struct work_struct *); 86 extern void zfcp_fc_scan_ports(struct work_struct *); 87 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *); 88 extern void zfcp_fc_port_did_lookup(struct work_struct *); 89 extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *); 90 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *); 91 extern void zfcp_fc_test_link(struct zfcp_port *); 92 extern void zfcp_fc_link_test_work(struct work_struct *); 93 extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *); 94 extern int zfcp_fc_gs_setup(struct zfcp_adapter *); 95 extern void zfcp_fc_gs_destroy(struct zfcp_adapter *); 96 extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *); 97 extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *); 98 99 /* zfcp_fsf.c */ 100 extern int zfcp_fsf_open_port(struct zfcp_erp_action *); 101 extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *); 102 extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *); 103 extern int zfcp_fsf_close_port(struct zfcp_erp_action *); 104 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); 105 extern int zfcp_fsf_open_lun(struct zfcp_erp_action *); 106 extern int zfcp_fsf_close_lun(struct zfcp_erp_action *); 107 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); 108 extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *, 109 struct fsf_qtcb_bottom_config *); 110 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *); 111 extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *, 112 struct fsf_qtcb_bottom_port *); 113 extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *, 114 struct zfcp_fsf_cfdc *); 115 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); 116 extern int zfcp_fsf_status_read(struct zfcp_qdio *); 117 extern int zfcp_status_read_refill(struct zfcp_adapter *adapter); 118 extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *, 119 mempool_t *, unsigned int); 120 extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32, 121 struct zfcp_fsf_ct_els *, unsigned int); 122 extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *); 123 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *); 124 extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8); 125 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *); 126 extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int); 127 128 /* zfcp_qdio.c */ 129 extern int zfcp_qdio_setup(struct zfcp_adapter *); 130 extern void zfcp_qdio_destroy(struct zfcp_qdio *); 131 extern int zfcp_qdio_sbal_get(struct zfcp_qdio *); 132 extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *); 133 extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *, 134 struct scatterlist *); 135 extern int zfcp_qdio_open(struct zfcp_qdio *); 136 extern void zfcp_qdio_close(struct zfcp_qdio *); 137 extern void zfcp_qdio_siosl(struct zfcp_adapter *); 138 extern struct zfcp_fsf_req *zfcp_fsf_get_req(struct zfcp_qdio *, 139 struct qdio_buffer *); 140 141 /* zfcp_scsi.c */ 142 extern struct zfcp_data zfcp_data; 143 extern int zfcp_adapter_scsi_register(struct zfcp_adapter *); 144 extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *); 145 extern struct fc_function_template zfcp_transport_functions; 146 extern void zfcp_scsi_rport_work(struct work_struct *); 147 extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *); 148 extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *); 149 extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *); 150 extern void zfcp_scsi_set_prot(struct zfcp_adapter *); 151 extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int); 152 153 /* zfcp_sysfs.c */ 154 extern struct attribute_group zfcp_sysfs_unit_attrs; 155 extern struct attribute_group zfcp_sysfs_adapter_attrs; 156 extern struct attribute_group zfcp_sysfs_port_attrs; 157 extern struct device_attribute *zfcp_sysfs_sdev_attrs[]; 158 extern struct device_attribute *zfcp_sysfs_shost_attrs[]; 159 160 /* zfcp_unit.c */ 161 extern int zfcp_unit_add(struct zfcp_port *, u64); 162 extern int zfcp_unit_remove(struct zfcp_port *, u64); 163 extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64); 164 extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit); 165 extern void zfcp_unit_scsi_scan(struct zfcp_unit *); 166 extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *); 167 extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *); 168 169 #endif /* ZFCP_EXT_H */ 170