1 /* 2 * zfcp device driver 3 * 4 * External function declarations. 5 * 6 * Copyright IBM Corporation 2002, 2009 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_unit *zfcp_get_unit_by_lun(struct zfcp_port *, u64); 19 extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64); 20 extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *); 21 extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32, 22 u32); 23 extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, u64); 24 extern int zfcp_reqlist_isempty(struct zfcp_adapter *); 25 extern void zfcp_sg_free_table(struct scatterlist *, int); 26 extern int zfcp_sg_setup_table(struct scatterlist *, int); 27 extern void zfcp_device_unregister(struct device *, 28 const struct attribute_group *); 29 extern void zfcp_adapter_release(struct kref *); 30 extern void zfcp_adapter_unregister(struct zfcp_adapter *); 31 32 /* zfcp_ccw.c */ 33 extern int zfcp_ccw_priv_sch(struct zfcp_adapter *); 34 extern struct ccw_driver zfcp_ccw_driver; 35 extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *); 36 extern void zfcp_ccw_adapter_put(struct zfcp_adapter *); 37 38 /* zfcp_cfdc.c */ 39 extern struct miscdevice zfcp_cfdc_misc; 40 41 /* zfcp_dbf.c */ 42 extern int zfcp_dbf_adapter_register(struct zfcp_adapter *); 43 extern void zfcp_dbf_adapter_unregister(struct zfcp_dbf *); 44 extern void zfcp_dbf_rec_thread(char *, struct zfcp_dbf *); 45 extern void zfcp_dbf_rec_thread_lock(char *, struct zfcp_dbf *); 46 extern void zfcp_dbf_rec_adapter(char *, void *, struct zfcp_dbf *); 47 extern void zfcp_dbf_rec_port(char *, void *, struct zfcp_port *); 48 extern void zfcp_dbf_rec_unit(char *, void *, struct zfcp_unit *); 49 extern void zfcp_dbf_rec_trigger(char *, void *, u8, u8, void *, 50 struct zfcp_adapter *, struct zfcp_port *, 51 struct zfcp_unit *); 52 extern void zfcp_dbf_rec_action(char *, struct zfcp_erp_action *); 53 extern void _zfcp_dbf_hba_fsf_response(const char *, int, struct zfcp_fsf_req *, 54 struct zfcp_dbf *); 55 extern void _zfcp_dbf_hba_fsf_unsol(const char *, int level, struct zfcp_dbf *, 56 struct fsf_status_read_buffer *); 57 extern void zfcp_dbf_hba_qdio(struct zfcp_dbf *, unsigned int, int, int); 58 extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *); 59 extern void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *, u32); 60 extern void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *); 61 extern void zfcp_dbf_san_els_request(struct zfcp_fsf_req *); 62 extern void zfcp_dbf_san_els_response(struct zfcp_fsf_req *); 63 extern void zfcp_dbf_san_incoming_els(struct zfcp_fsf_req *); 64 extern void _zfcp_dbf_scsi(const char *, const char *, int, struct zfcp_dbf *, 65 struct scsi_cmnd *, struct zfcp_fsf_req *, 66 unsigned long); 67 68 /* zfcp_erp.c */ 69 extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, char *, 70 void *, u32, int); 71 extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *, void *); 72 extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *, 73 void *); 74 extern void zfcp_erp_adapter_failed(struct zfcp_adapter *, char *, void *); 75 extern void zfcp_erp_modify_port_status(struct zfcp_port *, char *, void *, u32, 76 int); 77 extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *, void *); 78 extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *, void *); 79 extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *, 80 void *); 81 extern void zfcp_erp_port_failed(struct zfcp_port *, char *, void *); 82 extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, char *, void *, u32, 83 int); 84 extern void zfcp_erp_unit_reopen(struct zfcp_unit *, int, char *, void *); 85 extern void zfcp_erp_unit_shutdown(struct zfcp_unit *, int, char *, void *); 86 extern void zfcp_erp_unit_failed(struct zfcp_unit *, char *, void *); 87 extern int zfcp_erp_thread_setup(struct zfcp_adapter *); 88 extern void zfcp_erp_thread_kill(struct zfcp_adapter *); 89 extern void zfcp_erp_wait(struct zfcp_adapter *); 90 extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long); 91 extern void zfcp_erp_port_boxed(struct zfcp_port *, char *, void *); 92 extern void zfcp_erp_unit_boxed(struct zfcp_unit *, char *, void *); 93 extern void zfcp_erp_port_access_denied(struct zfcp_port *, char *, void *); 94 extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, char *, void *); 95 extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, char *, 96 void *); 97 extern void zfcp_erp_timeout_handler(unsigned long); 98 99 /* zfcp_fc.c */ 100 extern void zfcp_fc_scan_ports(struct work_struct *); 101 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *); 102 extern void zfcp_fc_port_did_lookup(struct work_struct *); 103 extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *); 104 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *); 105 extern void zfcp_fc_test_link(struct zfcp_port *); 106 extern void zfcp_fc_link_test_work(struct work_struct *); 107 extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *); 108 extern int zfcp_fc_gs_setup(struct zfcp_adapter *); 109 extern void zfcp_fc_gs_destroy(struct zfcp_adapter *); 110 extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *); 111 112 /* zfcp_fsf.c */ 113 extern int zfcp_fsf_open_port(struct zfcp_erp_action *); 114 extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *); 115 extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *); 116 extern int zfcp_fsf_close_port(struct zfcp_erp_action *); 117 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); 118 extern int zfcp_fsf_open_unit(struct zfcp_erp_action *); 119 extern int zfcp_fsf_close_unit(struct zfcp_erp_action *); 120 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); 121 extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *, 122 struct fsf_qtcb_bottom_config *); 123 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *); 124 extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *, 125 struct fsf_qtcb_bottom_port *); 126 extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *, 127 struct zfcp_fsf_cfdc *); 128 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); 129 extern int zfcp_fsf_status_read(struct zfcp_qdio *); 130 extern int zfcp_status_read_refill(struct zfcp_adapter *adapter); 131 extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *, 132 mempool_t *); 133 extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32, 134 struct zfcp_fsf_ct_els *); 135 extern int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *, 136 struct scsi_cmnd *); 137 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *); 138 extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *, u8); 139 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long, 140 struct zfcp_unit *); 141 extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int); 142 143 /* zfcp_qdio.c */ 144 extern int zfcp_qdio_setup(struct zfcp_adapter *); 145 extern void zfcp_qdio_destroy(struct zfcp_qdio *); 146 extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_queue_req *); 147 extern struct qdio_buffer_element 148 *zfcp_qdio_sbale_req(struct zfcp_qdio *, struct zfcp_queue_req *); 149 extern struct qdio_buffer_element 150 *zfcp_qdio_sbale_curr(struct zfcp_qdio *, struct zfcp_queue_req *); 151 extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, 152 struct zfcp_queue_req *, unsigned long, 153 struct scatterlist *, int); 154 extern int zfcp_qdio_open(struct zfcp_qdio *); 155 extern void zfcp_qdio_close(struct zfcp_qdio *); 156 157 /* zfcp_scsi.c */ 158 extern struct zfcp_data zfcp_data; 159 extern int zfcp_adapter_scsi_register(struct zfcp_adapter *); 160 extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *); 161 extern struct fc_function_template zfcp_transport_functions; 162 extern void zfcp_scsi_rport_work(struct work_struct *); 163 extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *); 164 extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *); 165 extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *); 166 extern void zfcp_scsi_scan(struct work_struct *); 167 168 /* zfcp_sysfs.c */ 169 extern struct attribute_group zfcp_sysfs_unit_attrs; 170 extern struct attribute_group zfcp_sysfs_adapter_attrs; 171 extern struct attribute_group zfcp_sysfs_port_attrs; 172 extern struct device_attribute *zfcp_sysfs_sdev_attrs[]; 173 extern struct device_attribute *zfcp_sysfs_shost_attrs[]; 174 175 #endif /* ZFCP_EXT_H */ 176