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 *, 16 fcp_lun_t); 17 extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, 18 wwn_t); 19 extern int zfcp_adapter_enqueue(struct ccw_device *); 20 extern void zfcp_adapter_dequeue(struct zfcp_adapter *); 21 extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, wwn_t, u32, 22 u32); 23 extern void zfcp_port_dequeue(struct zfcp_port *); 24 extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, fcp_lun_t); 25 extern void zfcp_unit_dequeue(struct zfcp_unit *); 26 extern int zfcp_reqlist_isempty(struct zfcp_adapter *); 27 extern void zfcp_sg_free_table(struct scatterlist *, int); 28 extern int zfcp_sg_setup_table(struct scatterlist *, int); 29 30 /* zfcp_ccw.c */ 31 extern int zfcp_ccw_register(void); 32 33 /* zfcp_cfdc.c */ 34 extern struct miscdevice zfcp_cfdc_misc; 35 36 /* zfcp_dbf.c */ 37 extern int zfcp_adapter_debug_register(struct zfcp_adapter *); 38 extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *); 39 extern void zfcp_rec_dbf_event_thread(u8, struct zfcp_adapter *); 40 extern void zfcp_rec_dbf_event_thread_lock(u8, struct zfcp_adapter *); 41 extern void zfcp_rec_dbf_event_adapter(u8, void *, struct zfcp_adapter *); 42 extern void zfcp_rec_dbf_event_port(u8, void *, struct zfcp_port *); 43 extern void zfcp_rec_dbf_event_unit(u8, void *, struct zfcp_unit *); 44 extern void zfcp_rec_dbf_event_trigger(u8, void *, u8, u8, void *, 45 struct zfcp_adapter *, 46 struct zfcp_port *, struct zfcp_unit *); 47 extern void zfcp_rec_dbf_event_action(u8, struct zfcp_erp_action *); 48 extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *); 49 extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *, 50 struct fsf_status_read_buffer *); 51 extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *, unsigned int, int, 52 int); 53 extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *); 54 extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *); 55 extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *); 56 extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *); 57 extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *); 58 extern void zfcp_scsi_dbf_event_result(const char *, int, struct zfcp_adapter *, 59 struct scsi_cmnd *, 60 struct zfcp_fsf_req *); 61 extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter *, 62 struct scsi_cmnd *, struct zfcp_fsf_req *, 63 unsigned long); 64 extern void zfcp_scsi_dbf_event_devreset(const char *, u8, struct zfcp_unit *, 65 struct scsi_cmnd *); 66 67 /* zfcp_erp.c */ 68 extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, u8, void *, 69 u32, int); 70 extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, u8, void *); 71 extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, u8, void *); 72 extern void zfcp_erp_adapter_failed(struct zfcp_adapter *, u8, void *); 73 extern void zfcp_erp_modify_port_status(struct zfcp_port *, u8, void *, u32, 74 int); 75 extern int zfcp_erp_port_reopen(struct zfcp_port *, int, u8, void *); 76 extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, u8, void *); 77 extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, u8, void *); 78 extern void zfcp_erp_port_failed(struct zfcp_port *, u8, void *); 79 extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, u8, void *, u32, 80 int); 81 extern void zfcp_erp_unit_reopen(struct zfcp_unit *, int, u8, void *); 82 extern void zfcp_erp_unit_shutdown(struct zfcp_unit *, int, u8, void *); 83 extern void zfcp_erp_unit_failed(struct zfcp_unit *, u8, void *); 84 extern int zfcp_erp_thread_setup(struct zfcp_adapter *); 85 extern void zfcp_erp_thread_kill(struct zfcp_adapter *); 86 extern void zfcp_erp_wait(struct zfcp_adapter *); 87 extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long); 88 extern void zfcp_erp_port_boxed(struct zfcp_port *, u8, void *); 89 extern void zfcp_erp_unit_boxed(struct zfcp_unit *, u8, void *); 90 extern void zfcp_erp_port_access_denied(struct zfcp_port *, u8, void *); 91 extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, u8, void *); 92 extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, u8, void *); 93 extern void zfcp_erp_timeout_handler(unsigned long); 94 95 /* zfcp_fc.c */ 96 extern int zfcp_scan_ports(struct zfcp_adapter *); 97 extern void _zfcp_scan_ports_later(struct work_struct *); 98 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *); 99 extern int zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *); 100 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *); 101 extern void zfcp_test_link(struct zfcp_port *); 102 103 /* zfcp_fsf.c */ 104 extern int zfcp_fsf_open_port(struct zfcp_erp_action *); 105 extern int zfcp_fsf_close_port(struct zfcp_erp_action *); 106 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); 107 extern int zfcp_fsf_open_unit(struct zfcp_erp_action *); 108 extern int zfcp_fsf_close_unit(struct zfcp_erp_action *); 109 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); 110 extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *, 111 struct fsf_qtcb_bottom_config *); 112 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *); 113 extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *, 114 struct fsf_qtcb_bottom_port *); 115 extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *, 116 struct zfcp_fsf_cfdc *); 117 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); 118 extern int zfcp_fsf_status_read(struct zfcp_adapter *); 119 extern int zfcp_status_read_refill(struct zfcp_adapter *adapter); 120 extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *, 121 struct zfcp_erp_action *); 122 extern int zfcp_fsf_send_els(struct zfcp_send_els *); 123 extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *, 124 struct zfcp_unit *, 125 struct scsi_cmnd *, int, int); 126 extern void zfcp_fsf_req_complete(struct zfcp_fsf_req *); 127 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *); 128 extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_adapter *, 129 struct zfcp_unit *, u8, int); 130 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long, 131 struct zfcp_adapter *, 132 struct zfcp_unit *, int); 133 134 /* zfcp_qdio.c */ 135 extern int zfcp_qdio_allocate(struct zfcp_adapter *); 136 extern void zfcp_qdio_free(struct zfcp_adapter *); 137 extern int zfcp_qdio_send(struct zfcp_fsf_req *); 138 extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_req( 139 struct zfcp_fsf_req *); 140 extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_curr( 141 struct zfcp_fsf_req *); 142 extern int zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *, unsigned long, 143 struct scatterlist *, int); 144 extern int zfcp_qdio_open(struct zfcp_adapter *); 145 extern void zfcp_qdio_close(struct zfcp_adapter *); 146 147 /* zfcp_scsi.c */ 148 extern struct zfcp_data zfcp_data; 149 extern int zfcp_adapter_scsi_register(struct zfcp_adapter *); 150 extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *); 151 extern void zfcp_set_fcp_dl(struct fcp_cmnd_iu *, fcp_dl_t); 152 extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *); 153 extern struct fc_function_template zfcp_transport_functions; 154 155 /* zfcp_sysfs.c */ 156 extern struct attribute_group zfcp_sysfs_unit_attrs; 157 extern struct attribute_group zfcp_sysfs_adapter_attrs; 158 extern struct attribute_group zfcp_sysfs_ns_port_attrs; 159 extern struct attribute_group zfcp_sysfs_port_attrs; 160 extern struct device_attribute *zfcp_sysfs_sdev_attrs[]; 161 extern struct device_attribute *zfcp_sysfs_shost_attrs[]; 162 163 #endif /* ZFCP_EXT_H */ 164