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_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);
  19 extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
  20 extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
  21                                            u32);
  22 extern void zfcp_sg_free_table(struct scatterlist *, int);
  23 extern int zfcp_sg_setup_table(struct scatterlist *, int);
  24 extern void zfcp_device_unregister(struct device *,
  25                                    const struct attribute_group *);
  26 extern void zfcp_adapter_release(struct kref *);
  27 extern void zfcp_adapter_unregister(struct zfcp_adapter *);
  28
  29 /* zfcp_ccw.c */
  30 extern int zfcp_ccw_priv_sch(struct zfcp_adapter *);
  31 extern struct ccw_driver zfcp_ccw_driver;
  32 extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
  33 extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
  34
  35 /* zfcp_cfdc.c */
  36 extern struct miscdevice zfcp_cfdc_misc;
  37 extern void zfcp_cfdc_port_denied(struct zfcp_port *, union fsf_status_qual *);
  38 extern void zfcp_cfdc_lun_denied(struct scsi_device *, union fsf_status_qual *);
  39 extern void zfcp_cfdc_lun_shrng_vltn(struct scsi_device *,
  40                                      union fsf_status_qual *);
  41 extern int zfcp_cfdc_open_lun_eval(struct scsi_device *,
  42                                    struct fsf_qtcb_bottom_support *);
  43 extern void zfcp_cfdc_adapter_access_changed(struct zfcp_adapter *);
  44
  45
  46 /* zfcp_dbf.c */
  47 extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
  48 extern void zfcp_dbf_adapter_unregister(struct zfcp_dbf *);
  49 extern void zfcp_dbf_rec_thread(char *, struct zfcp_dbf *);
  50 extern void zfcp_dbf_rec_thread_lock(char *, struct zfcp_dbf *);
  51 extern void zfcp_dbf_rec_adapter(char *, void *, struct zfcp_dbf *);
  52 extern void zfcp_dbf_rec_port(char *, void *, struct zfcp_port *);
  53 extern void zfcp_dbf_rec_lun(char *, void *, struct scsi_device *);
  54 extern void zfcp_dbf_rec_trigger(char *, void *, u8, u8, void *,
  55                                  struct zfcp_adapter *, struct zfcp_port *,
  56                                  struct scsi_device *);
  57 extern void zfcp_dbf_rec_action(char *, struct zfcp_erp_action *);
  58 extern void _zfcp_dbf_hba_fsf_response(const char *, int, struct zfcp_fsf_req *,
  59                                        struct zfcp_dbf *);
  60 extern void _zfcp_dbf_hba_fsf_unsol(const char *, int level, struct zfcp_dbf *,
  61                                           struct fsf_status_read_buffer *);
  62 extern void zfcp_dbf_hba_qdio(struct zfcp_dbf *, unsigned int, int, int);
  63 extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
  64 extern void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *, u32);
  65 extern void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *);
  66 extern void zfcp_dbf_san_els_request(struct zfcp_fsf_req *);
  67 extern void zfcp_dbf_san_els_response(struct zfcp_fsf_req *);
  68 extern void zfcp_dbf_san_incoming_els(struct zfcp_fsf_req *);
  69 extern void _zfcp_dbf_scsi(const char *, const char *, int, struct zfcp_dbf *,
  70                            struct scsi_cmnd *, struct zfcp_fsf_req *,
  71                            unsigned long);
  72
  73 /* zfcp_erp.c */
  74 extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
  75 extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
  76 extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *, void *);
  77 extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *,
  78                                       void *);
  79 extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
  80 extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
  81 extern int  zfcp_erp_port_reopen(struct zfcp_port *, int, char *, void *);
  82 extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *, void *);
  83 extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *,
  84                                         void *);
  85 extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
  86 extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
  87 extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *, void *);
  88 extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *, void *);
  89 extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
  90 extern int  zfcp_erp_thread_setup(struct zfcp_adapter *);
  91 extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
  92 extern void zfcp_erp_wait(struct zfcp_adapter *);
  93 extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
  94 extern void zfcp_erp_timeout_handler(unsigned long);
  95
  96 /* zfcp_fc.c */
  97 extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
  98                                 enum fc_host_event_code event_code, u32);
  99 extern void zfcp_fc_post_event(struct work_struct *);
 100 extern void zfcp_fc_scan_ports(struct work_struct *);
 101 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
 102 extern void zfcp_fc_port_did_lookup(struct work_struct *);
 103 extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
 104 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
 105 extern void zfcp_fc_test_link(struct zfcp_port *);
 106 extern void zfcp_fc_link_test_work(struct work_struct *);
 107 extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
 108 extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
 109 extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
 110 extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *);
 111 extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *);
 112
 113 /* zfcp_fsf.c */
 114 extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
 115 extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
 116 extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
 117 extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
 118 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
 119 extern int zfcp_fsf_open_lun(struct zfcp_erp_action *);
 120 extern int zfcp_fsf_close_lun(struct zfcp_erp_action *);
 121 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
 122 extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
 123                                               struct fsf_qtcb_bottom_config *);
 124 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
 125 extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
 126                                             struct fsf_qtcb_bottom_port *);
 127 extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *,
 128                                                   struct zfcp_fsf_cfdc *);
 129 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
 130 extern int zfcp_fsf_status_read(struct zfcp_qdio *);
 131 extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
 132 extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,
 133                             mempool_t *, unsigned int);
 134 extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
 135                              struct zfcp_fsf_ct_els *, unsigned int);
 136 extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *);
 137 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
 138 extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8);
 139 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *);
 140 extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
 141
 142 /* zfcp_qdio.c */
 143 extern int zfcp_qdio_setup(struct zfcp_adapter *);
 144 extern void zfcp_qdio_destroy(struct zfcp_qdio *);
 145 extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
 146 extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
 147 extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
 148                                    struct scatterlist *);
 149 extern int zfcp_qdio_open(struct zfcp_qdio *);
 150 extern void zfcp_qdio_close(struct zfcp_qdio *);
 151 extern void zfcp_qdio_siosl(struct zfcp_adapter *);
 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_set_prot(struct zfcp_adapter *);
 163 extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
 164
 165 /* zfcp_sysfs.c */
 166 extern struct attribute_group zfcp_sysfs_unit_attrs;
 167 extern struct attribute_group zfcp_sysfs_adapter_attrs;
 168 extern struct attribute_group zfcp_sysfs_port_attrs;
 169 extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
 170 extern struct device_attribute *zfcp_sysfs_shost_attrs[];
 171
 172 /* zfcp_unit.c */
 173 extern int zfcp_unit_add(struct zfcp_port *, u64);
 174 extern int zfcp_unit_remove(struct zfcp_port *, u64);
 175 extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64);
 176 extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit);
 177 extern void zfcp_unit_scsi_scan(struct zfcp_unit *);
 178 extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *);
 179 extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *);
 180
 181 #endif  /* ZFCP_EXT_H */