drivers/s390/scsi/zfcp_ext.h

   1 /*
   2  * zfcp device driver
   3  *
   4  * External function declarations.
   5  *
   6  * Copyright IBM Corporation 2002, 2010
   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 void zfcp_sg_free_table(struct scatterlist *, int);
  25 extern int zfcp_sg_setup_table(struct scatterlist *, int);
  26 extern void zfcp_device_unregister(struct device *,
  27                                    const struct attribute_group *);
  28 extern void zfcp_adapter_release(struct kref *);
  29 extern void zfcp_adapter_unregister(struct zfcp_adapter *);
  30
  31 /* zfcp_ccw.c */
  32 extern int zfcp_ccw_priv_sch(struct zfcp_adapter *);
  33 extern struct ccw_driver zfcp_ccw_driver;
  34 extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
  35 extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
  36
  37 /* zfcp_cfdc.c */
  38 extern struct miscdevice zfcp_cfdc_misc;
  39
  40 /* zfcp_dbf.c */
  41 extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
  42 extern void zfcp_dbf_adapter_unregister(struct zfcp_dbf *);
  43 extern void zfcp_dbf_rec_thread(char *, struct zfcp_dbf *);
  44 extern void zfcp_dbf_rec_thread_lock(char *, struct zfcp_dbf *);
  45 extern void zfcp_dbf_rec_adapter(char *, void *, struct zfcp_dbf *);
  46 extern void zfcp_dbf_rec_port(char *, void *, struct zfcp_port *);
  47 extern void zfcp_dbf_rec_unit(char *, void *, struct zfcp_unit *);
  48 extern void zfcp_dbf_rec_trigger(char *, void *, u8, u8, void *,
  49                                  struct zfcp_adapter *, struct zfcp_port *,
  50                                  struct zfcp_unit *);
  51 extern void zfcp_dbf_rec_action(char *, struct zfcp_erp_action *);
  52 extern void _zfcp_dbf_hba_fsf_response(const char *, int, struct zfcp_fsf_req *,
  53                                        struct zfcp_dbf *);
  54 extern void _zfcp_dbf_hba_fsf_unsol(const char *, int level, struct zfcp_dbf *,
  55                                           struct fsf_status_read_buffer *);
  56 extern void zfcp_dbf_hba_qdio(struct zfcp_dbf *, unsigned int, int, int);
  57 extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
  58 extern void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *, u32);
  59 extern void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *);
  60 extern void zfcp_dbf_san_els_request(struct zfcp_fsf_req *);
  61 extern void zfcp_dbf_san_els_response(struct zfcp_fsf_req *);
  62 extern void zfcp_dbf_san_incoming_els(struct zfcp_fsf_req *);
  63 extern void _zfcp_dbf_scsi(const char *, const char *, int, struct zfcp_dbf *,
  64                            struct scsi_cmnd *, struct zfcp_fsf_req *,
  65                            unsigned long);
  66
  67 /* zfcp_erp.c */
  68 extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, char *,
  69                                            void *, u32, int);
  70 extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *, void *);
  71 extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *,
  72                                       void *);
  73 extern void zfcp_erp_adapter_failed(struct zfcp_adapter *, char *, void *);
  74 extern void zfcp_erp_modify_port_status(struct zfcp_port *, char *, void *, u32,
  75                                         int);
  76 extern int  zfcp_erp_port_reopen(struct zfcp_port *, int, char *, void *);
  77 extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *, void *);
  78 extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *,
  79                                         void *);
  80 extern void zfcp_erp_port_failed(struct zfcp_port *, char *, void *);
  81 extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, char *, void *, u32,
  82                                         int);
  83 extern void zfcp_erp_unit_reopen(struct zfcp_unit *, int, char *, void *);
  84 extern void zfcp_erp_unit_shutdown(struct zfcp_unit *, int, char *, void *);
  85 extern void zfcp_erp_unit_failed(struct zfcp_unit *, char *, void *);
  86 extern int  zfcp_erp_thread_setup(struct zfcp_adapter *);
  87 extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
  88 extern void zfcp_erp_wait(struct zfcp_adapter *);
  89 extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
  90 extern void zfcp_erp_port_boxed(struct zfcp_port *, char *, void *);
  91 extern void zfcp_erp_unit_boxed(struct zfcp_unit *, char *, void *);
  92 extern void zfcp_erp_port_access_denied(struct zfcp_port *, char *, void *);
  93 extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, char *, void *);
  94 extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, char *,
  95                                             void *);
  96 extern void zfcp_erp_timeout_handler(unsigned long);
  97
  98 /* zfcp_fc.c */
  99 extern void zfcp_fc_scan_ports(struct work_struct *);
 100 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
 101 extern void zfcp_fc_port_did_lookup(struct work_struct *);
 102 extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
 103 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
 104 extern void zfcp_fc_test_link(struct zfcp_port *);
 105 extern void zfcp_fc_link_test_work(struct work_struct *);
 106 extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
 107 extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
 108 extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
 109 extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *);
 110 extern int zfcp_fc_timeout_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 *, unsigned int);
 133 extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
 134                              struct zfcp_fsf_ct_els *, unsigned int);
 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_sbal_get(struct zfcp_qdio *);
 147 extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
 148 extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
 149                                    struct scatterlist *, int);
 150 extern int zfcp_qdio_open(struct zfcp_qdio *);
 151 extern void zfcp_qdio_close(struct zfcp_qdio *);
 152
 153 /* zfcp_scsi.c */
 154 extern struct zfcp_data zfcp_data;
 155 extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
 156 extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
 157 extern struct fc_function_template zfcp_transport_functions;
 158 extern void zfcp_scsi_rport_work(struct work_struct *);
 159 extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
 160 extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
 161 extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
 162 extern void zfcp_scsi_scan(struct work_struct *);
 163
 164 /* zfcp_sysfs.c */
 165 extern struct attribute_group zfcp_sysfs_unit_attrs;
 166 extern struct attribute_group zfcp_sysfs_adapter_attrs;
 167 extern struct attribute_group zfcp_sysfs_port_attrs;
 168 extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
 169 extern struct device_attribute *zfcp_sysfs_shost_attrs[];
 170
 171 #endif  /* ZFCP_EXT_H */