drivers/s390/scsi/zfcp_ext.h

   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 "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 int zfcp_ccw_priv_sch(struct zfcp_adapter *);
  31 extern struct zfcp_adapter *zfcp_get_adapter_by_busid(char *);
  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(char *, struct zfcp_adapter *);
  40 extern void zfcp_rec_dbf_event_thread_lock(char *, struct zfcp_adapter *);
  41 extern void zfcp_rec_dbf_event_adapter(char *, void *, struct zfcp_adapter *);
  42 extern void zfcp_rec_dbf_event_port(char *, void *, struct zfcp_port *);
  43 extern void zfcp_rec_dbf_event_unit(char *, void *, struct zfcp_unit *);
  44 extern void zfcp_rec_dbf_event_trigger(char *, void *, u8, u8, void *,
  45                                        struct zfcp_adapter *,
  46                                        struct zfcp_port *, struct zfcp_unit *);
  47 extern void zfcp_rec_dbf_event_action(char *, 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_hba_dbf_event_berr(struct zfcp_adapter *,
  54                                     struct zfcp_fsf_req *);
  55 extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *);
  56 extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *);
  57 extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *);
  58 extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *);
  59 extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *);
  60 extern void zfcp_scsi_dbf_event_result(const char *, int, struct zfcp_adapter *,
  61                                        struct scsi_cmnd *,
  62                                        struct zfcp_fsf_req *);
  63 extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter *,
  64                                       struct scsi_cmnd *, struct zfcp_fsf_req *,
  65                                       unsigned long);
  66 extern void zfcp_scsi_dbf_event_devreset(const char *, u8, struct zfcp_unit *,
  67                                          struct scsi_cmnd *);
  68
  69 /* zfcp_erp.c */
  70 extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, char *,
  71                                            void *, u32, int);
  72 extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *, void *);
  73 extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *,
  74                                       void *);
  75 extern void zfcp_erp_adapter_failed(struct zfcp_adapter *, char *, void *);
  76 extern void zfcp_erp_modify_port_status(struct zfcp_port *, char *, void *, u32,
  77                                         int);
  78 extern int  zfcp_erp_port_reopen(struct zfcp_port *, int, char *, void *);
  79 extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *, void *);
  80 extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *,
  81                                         void *);
  82 extern void zfcp_erp_port_failed(struct zfcp_port *, char *, void *);
  83 extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, char *, void *, u32,
  84                                         int);
  85 extern void zfcp_erp_unit_reopen(struct zfcp_unit *, int, char *, void *);
  86 extern void zfcp_erp_unit_shutdown(struct zfcp_unit *, int, char *, void *);
  87 extern void zfcp_erp_unit_failed(struct zfcp_unit *, char *, void *);
  88 extern int  zfcp_erp_thread_setup(struct zfcp_adapter *);
  89 extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
  90 extern void zfcp_erp_wait(struct zfcp_adapter *);
  91 extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
  92 extern void zfcp_erp_port_boxed(struct zfcp_port *, char *, void *);
  93 extern void zfcp_erp_unit_boxed(struct zfcp_unit *, char *, void *);
  94 extern void zfcp_erp_port_access_denied(struct zfcp_port *, char *, void *);
  95 extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, char *, void *);
  96 extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, char *,
  97                                             void *);
  98 extern void zfcp_erp_timeout_handler(unsigned long);
  99 extern void zfcp_erp_port_strategy_open_lookup(struct work_struct *);
 100
 101 /* zfcp_fc.c */
 102 extern int zfcp_scan_ports(struct zfcp_adapter *);
 103 extern void _zfcp_scan_ports_later(struct work_struct *);
 104 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
 105 extern int zfcp_fc_ns_gid_pn(struct zfcp_erp_action *);
 106 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
 107 extern void zfcp_test_link(struct zfcp_port *);
 108 extern void zfcp_fc_link_test_work(struct work_struct *);
 109 extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *);
 110 extern void zfcp_fc_wka_ports_init(struct zfcp_adapter *);
 111 extern int zfcp_fc_execute_els_fc_job(struct fc_bsg_job *);
 112 extern int zfcp_fc_execute_ct_fc_job(struct fc_bsg_job *);
 113 extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *);
 114
 115
 116 /* zfcp_fsf.c */
 117 extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
 118 extern int zfcp_fsf_open_wka_port(struct zfcp_wka_port *);
 119 extern int zfcp_fsf_close_wka_port(struct zfcp_wka_port *);
 120 extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
 121 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
 122 extern int zfcp_fsf_open_unit(struct zfcp_erp_action *);
 123 extern int zfcp_fsf_close_unit(struct zfcp_erp_action *);
 124 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
 125 extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *,
 126                                               struct fsf_qtcb_bottom_config *);
 127 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
 128 extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *,
 129                                             struct fsf_qtcb_bottom_port *);
 130 extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *,
 131                                                   struct zfcp_fsf_cfdc *);
 132 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
 133 extern int zfcp_fsf_status_read(struct zfcp_adapter *);
 134 extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
 135 extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *,
 136                             struct zfcp_erp_action *);
 137 extern int zfcp_fsf_send_els(struct zfcp_send_els *);
 138 extern int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *,
 139                                           struct scsi_cmnd *);
 140 extern void zfcp_fsf_req_complete(struct zfcp_fsf_req *);
 141 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
 142 extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *, u8);
 143 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long,
 144                                                        struct zfcp_unit *);
 145
 146 /* zfcp_qdio.c */
 147 extern int zfcp_qdio_allocate(struct zfcp_adapter *);
 148 extern void zfcp_qdio_free(struct zfcp_adapter *);
 149 extern int zfcp_qdio_send(struct zfcp_fsf_req *);
 150 extern struct qdio_buffer_element *zfcp_qdio_sbale_req(struct zfcp_fsf_req *);
 151 extern struct qdio_buffer_element *zfcp_qdio_sbale_curr(struct zfcp_fsf_req *);
 152 extern int zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *, unsigned long,
 153                                    struct scatterlist *, int);
 154 extern int zfcp_qdio_open(struct zfcp_adapter *);
 155 extern void zfcp_qdio_close(struct zfcp_adapter *);
 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 char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *);
 162 extern struct fc_function_template zfcp_transport_functions;
 163 extern void zfcp_scsi_rport_work(struct work_struct *);
 164 extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
 165 extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
 166 extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
 167 extern void zfcp_scsi_scan(struct work_struct *);
 168
 169 /* zfcp_sysfs.c */
 170 extern struct attribute_group zfcp_sysfs_unit_attrs;
 171 extern struct attribute_group zfcp_sysfs_adapter_attrs;
 172 extern struct attribute_group zfcp_sysfs_port_attrs;
 173 extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
 174 extern struct device_attribute *zfcp_sysfs_shost_attrs[];
 175
 176 #endif  /* ZFCP_EXT_H */