LXR linux/drivers/s390/scsi/zfcp

   1/*
   2 * zfcp device driver
   3 *
   4 * External function declarations.
   5 *
   6 * Copyright IBM Corp. 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 */
  18extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);
  19extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
  20extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
  21                                           u32);
  22extern void zfcp_sg_free_table(struct scatterlist *, int);
  23extern int zfcp_sg_setup_table(struct scatterlist *, int);
  24extern void zfcp_device_unregister(struct device *,
  25                                   const struct attribute_group *);
  26extern void zfcp_adapter_release(struct kref *);
  27extern void zfcp_adapter_unregister(struct zfcp_adapter *);
  28
  29/* zfcp_ccw.c */
  30extern int zfcp_ccw_priv_sch(struct zfcp_adapter *);
  31extern struct ccw_driver zfcp_ccw_driver;
  32extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
  33extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
  34
  35/* zfcp_cfdc.c */
  36extern struct miscdevice zfcp_cfdc_misc;
  37extern void zfcp_cfdc_port_denied(struct zfcp_port *, union fsf_status_qual *);
  38extern void zfcp_cfdc_lun_denied(struct scsi_device *, union fsf_status_qual *);
  39extern void zfcp_cfdc_lun_shrng_vltn(struct scsi_device *,
  40                                     union fsf_status_qual *);
  41extern int zfcp_cfdc_open_lun_eval(struct scsi_device *,
  42                                   struct fsf_qtcb_bottom_support *);
  43extern void zfcp_cfdc_adapter_access_changed(struct zfcp_adapter *);
  44
  45
  46/* zfcp_dbf.c */
  47extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
  48extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *);
  49extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
  50                              struct zfcp_port *, struct scsi_device *, u8, u8);
  51extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
  52extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);
  53extern void zfcp_dbf_hba_fsf_res(char *, struct zfcp_fsf_req *);
  54extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
  55extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
  56extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **);
  57extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *);
  58extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
  59extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
  60extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
  61extern void zfcp_dbf_scsi(char *, struct scsi_cmnd *, struct zfcp_fsf_req *);
  62
  63/* zfcp_erp.c */
  64extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
  65extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
  66extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);
  67extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);
  68extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
  69extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
  70extern int  zfcp_erp_port_reopen(struct zfcp_port *, int, char *);
  71extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
  72extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
  73extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
  74extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
  75extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);
  76extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *);
  77extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
  78extern int  zfcp_erp_thread_setup(struct zfcp_adapter *);
  79extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
  80extern void zfcp_erp_wait(struct zfcp_adapter *);
  81extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
  82extern void zfcp_erp_timeout_handler(unsigned long);
  83
  84/* zfcp_fc.c */
  85extern struct kmem_cache *zfcp_fc_req_cache;
  86extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
  87                                enum fc_host_event_code event_code, u32);
  88extern void zfcp_fc_post_event(struct work_struct *);
  89extern void zfcp_fc_scan_ports(struct work_struct *);
  90extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
  91extern void zfcp_fc_port_did_lookup(struct work_struct *);
  92extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
  93extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
  94extern void zfcp_fc_test_link(struct zfcp_port *);
  95extern void zfcp_fc_link_test_work(struct work_struct *);
  96extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
  97extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
  98extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
  99extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *);
 100extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *);
 101extern void zfcp_fc_sym_name_update(struct work_struct *);
 102extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *);
 103extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *);
 104
 105/* zfcp_fsf.c */
 106extern struct kmem_cache *zfcp_fsf_qtcb_cache;
 107extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
 108extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
 109extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
 110extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
 111extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
 112extern int zfcp_fsf_open_lun(struct zfcp_erp_action *);
 113extern int zfcp_fsf_close_lun(struct zfcp_erp_action *);
 114extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
 115extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
 116                                              struct fsf_qtcb_bottom_config *);
 117extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
 118extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
 119                                            struct fsf_qtcb_bottom_port *);
 120extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *,
 121                                                  struct zfcp_fsf_cfdc *);
 122extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
 123extern int zfcp_fsf_status_read(struct zfcp_qdio *);
 124extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
 125extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,
 126                            mempool_t *, unsigned int);
 127extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
 128                             struct zfcp_fsf_ct_els *, unsigned int);
 129extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *);
 130extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
 131extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8);
 132extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *);
 133extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
 134
 135/* zfcp_qdio.c */
 136extern int zfcp_qdio_setup(struct zfcp_adapter *);
 137extern void zfcp_qdio_destroy(struct zfcp_qdio *);
 138extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
 139extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
 140extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
 141                                   struct scatterlist *);
 142extern int zfcp_qdio_open(struct zfcp_qdio *);
 143extern void zfcp_qdio_close(struct zfcp_qdio *);
 144extern void zfcp_qdio_siosl(struct zfcp_adapter *);
 145extern struct zfcp_fsf_req *zfcp_fsf_get_req(struct zfcp_qdio *,
 146                                             struct qdio_buffer *);
 147
 148/* zfcp_scsi.c */
 149extern struct scsi_transport_template *zfcp_scsi_transport_template;
 150extern int zfcp_scsi_adapter_register(struct zfcp_adapter *);
 151extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *);
 152extern struct fc_function_template zfcp_transport_functions;
 153extern void zfcp_scsi_rport_work(struct work_struct *);
 154extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
 155extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
 156extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
 157extern void zfcp_scsi_set_prot(struct zfcp_adapter *);
 158extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
 159
 160/* zfcp_sysfs.c */
 161extern struct attribute_group zfcp_sysfs_unit_attrs;
 162extern struct attribute_group zfcp_sysfs_adapter_attrs;
 163extern struct attribute_group zfcp_sysfs_port_attrs;
 164extern struct mutex zfcp_sysfs_port_units_mutex;
 165extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
 166extern struct device_attribute *zfcp_sysfs_shost_attrs[];
 167
 168/* zfcp_unit.c */
 169extern int zfcp_unit_add(struct zfcp_port *, u64);
 170extern int zfcp_unit_remove(struct zfcp_port *, u64);
 171extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64);
 172extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit);
 173extern void zfcp_unit_scsi_scan(struct zfcp_unit *);
 174extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *);
 175extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *);
 176
 177#endif  /* ZFCP_EXT_H */
 178