1 /* 2 * zfcp device driver 3 * 4 * External function declarations. 5 * 6 * Copyright IBM Corporation 2002, 2008 7 */ 8 9 #ifndef ZFCP_EXT_H 10 #define ZFCP_EXT_H 11 12 #include "zfcp_def.h" 13 14 /* zfcp_aux.c */ 15 extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, u64); 16 extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64); 17 extern int zfcp_adapter_enqueue(struct ccw_device *); 18 extern void zfcp_adapter_dequeue(struct zfcp_adapter *); 19 extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32, 20 u32); 21 extern void zfcp_port_dequeue(struct zfcp_port *); 22 extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, u64); 23 extern void zfcp_unit_dequeue(struct zfcp_unit *); 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 28 /* zfcp_ccw.c */ 29 extern int zfcp_ccw_register(void); 30 extern struct zfcp_adapter *zfcp_get_adapter_by_busid(char *); 31 32 /* zfcp_cfdc.c */ 33 extern struct miscdevice zfcp_cfdc_misc; 34 35 /* zfcp_dbf.c */ 36 extern int zfcp_adapter_debug_register(struct zfcp_adapter *); 37 extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *); 38 extern void zfcp_rec_dbf_event_thread(u8, struct zfcp_adapter *); 39 extern void zfcp_rec_dbf_event_thread_lock(u8, struct zfcp_adapter *); 40 extern void zfcp_rec_dbf_event_adapter(u8, void *, struct zfcp_adapter *); 41 extern void zfcp_rec_dbf_event_port(u8, void *, struct zfcp_port *); 42 extern void zfcp_rec_dbf_event_unit(u8, void *, struct zfcp_unit *); 43 extern void zfcp_rec_dbf_event_trigger(u8, void *, u8, u8, void *, 44 struct zfcp_adapter *, 45 struct zfcp_port *, struct zfcp_unit *); 46 extern void zfcp_rec_dbf_event_action(u8, struct zfcp_erp_action *); 47 extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *); 48 extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *, 49 struct fsf_status_read_buffer *); 50 extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *, unsigned int, int, 51 int); 52 extern void zfcp_hba_dbf_event_berr(struct zfcp_adapter *, 53 struct zfcp_fsf_req *); 54 extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *); 55 extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *); 56 extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *); 57 extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *); 58 extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *); 59 extern void zfcp_scsi_dbf_event_result(const char *, int, struct zfcp_adapter *, 60 struct scsi_cmnd *, 61 struct zfcp_fsf_req *); 62 extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter *, 63 struct scsi_cmnd *, struct zfcp_fsf_req *, 64 unsigned long); 65 extern void zfcp_scsi_dbf_event_devreset(const char *, u8, struct zfcp_unit *, 66 struct scsi_cmnd *); 67 68 /* zfcp_erp.c */ 69 extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, u8, void *, 70 u32, int); 71 extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, u8, void *); 72 extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, u8, void *); 73 extern void zfcp_erp_adapter_failed(struct zfcp_adapter *, u8, void *); 74 extern void zfcp_erp_modify_port_status(struct zfcp_port *, u8, void *, u32, 75 int); 76 extern int zfcp_erp_port_reopen(struct zfcp_port *, int, u8, void *); 77 extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, u8, void *); 78 extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, u8, void *); 79 extern void zfcp_erp_port_failed(struct zfcp_port *, u8, void *); 80 extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, u8, void *, u32, 81 int); 82 extern void zfcp_erp_unit_reopen(struct zfcp_unit *, int, u8, void *); 83 extern void zfcp_erp_unit_shutdown(struct zfcp_unit *, int, u8, void *); 84 extern void zfcp_erp_unit_failed(struct zfcp_unit *, u8, void *); 85 extern int zfcp_erp_thread_setup(struct zfcp_adapter *); 86 extern void zfcp_erp_thread_kill(struct zfcp_adapter *); 87 extern void zfcp_erp_wait(struct zfcp_adapter *); 88 extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long); 89 extern void zfcp_erp_port_boxed(struct zfcp_port *, u8, void *); 90 extern void zfcp_erp_unit_boxed(struct zfcp_unit *, u8, void *); 91 extern void zfcp_erp_port_access_denied(struct zfcp_port *, u8, void *); 92 extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, u8, void *); 93 extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, u8, void *); 94 extern void zfcp_erp_timeout_handler(unsigned long); 95 extern void zfcp_erp_port_strategy_open_lookup(struct work_struct *); 96 97 /* zfcp_fc.c */ 98 extern int zfcp_scan_ports(struct zfcp_adapter *); 99 extern void _zfcp_scan_ports_later(struct work_struct *); 100 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *); 101 extern int zfcp_fc_ns_gid_pn(struct zfcp_erp_action *); 102 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *); 103 extern void zfcp_test_link(struct zfcp_port *); 104 extern void zfcp_fc_nameserver_init(struct zfcp_adapter *); 105 106 /* zfcp_fsf.c */ 107 extern int zfcp_fsf_open_port(struct zfcp_erp_action *); 108 extern int zfcp_fsf_open_wka_port(struct zfcp_wka_port *); 109 extern int zfcp_fsf_close_wka_port(struct zfcp_wka_port *); 110 extern int zfcp_fsf_close_port(struct zfcp_erp_action *); 111 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); 112 extern int zfcp_fsf_open_unit(struct zfcp_erp_action *); 113 extern int zfcp_fsf_close_unit(struct zfcp_erp_action *); 114 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); 115 extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *, 116 struct fsf_qtcb_bottom_config *); 117 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *); 118 extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *, 119 struct fsf_qtcb_bottom_port *); 120 extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *, 121 struct zfcp_fsf_cfdc *); 122 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); 123 extern int zfcp_fsf_status_read(struct zfcp_adapter *); 124 extern int zfcp_status_read_refill(struct zfcp_adapter *adapter); 125 extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *, 126 struct zfcp_erp_action *); 127 extern int zfcp_fsf_send_els(struct zfcp_send_els *); 128 extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *, 129 struct zfcp_unit *, 130 struct scsi_cmnd *, int, int); 131 extern void zfcp_fsf_req_complete(struct zfcp_fsf_req *); 132 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *); 133 extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_adapter *, 134 struct zfcp_unit *, u8, int); 135 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long, 136 struct zfcp_adapter *, 137 struct zfcp_unit *, int); 138 139 /* zfcp_qdio.c */ 140 extern int zfcp_qdio_allocate(struct zfcp_adapter *); 141 extern void zfcp_qdio_free(struct zfcp_adapter *); 142 extern int zfcp_qdio_send(struct zfcp_fsf_req *); 143 extern struct qdio_buffer_element *zfcp_qdio_sbale_req(struct zfcp_fsf_req *); 144 extern struct qdio_buffer_element *zfcp_qdio_sbale_curr(struct zfcp_fsf_req *); 145 extern int zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *, unsigned long, 146 struct scatterlist *, int); 147 extern int zfcp_qdio_open(struct zfcp_adapter *); 148 extern void zfcp_qdio_close(struct zfcp_adapter *); 149 150 /* zfcp_scsi.c */ 151 extern struct zfcp_data zfcp_data; 152 extern int zfcp_adapter_scsi_register(struct zfcp_adapter *); 153 extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *); 154 extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *); 155 extern struct fc_function_template zfcp_transport_functions; 156 157 /* zfcp_sysfs.c */ 158 extern struct attribute_group zfcp_sysfs_unit_attrs; 159 extern struct attribute_group zfcp_sysfs_adapter_attrs; 160 extern struct attribute_group zfcp_sysfs_port_attrs; 161 extern struct device_attribute *zfcp_sysfs_sdev_attrs[]; 162 extern struct device_attribute *zfcp_sysfs_shost_attrs[]; 163 164 #endif /* ZFCP_EXT_H */ 165