drivers/s390/scsi/zfcp_ext.h

   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 */