LXR linux/drivers/s390/scsi/zfcp

   1/*
   2 * zfcp device driver
   3 *
   4 * External function declarations.
   5 *
   6 * Copyright IBM Corp. 2002, 2016
   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_adapter_release(struct kref *);
  25extern void zfcp_adapter_unregister(struct zfcp_adapter *);
  26
  27/* zfcp_ccw.c */
  28extern struct ccw_driver zfcp_ccw_driver;
  29extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
  30extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
  31
  32/* zfcp_dbf.c */
  33extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
  34extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *);
  35extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
  36                              struct zfcp_port *, struct scsi_device *, u8, u8);
  37extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
  38extern void zfcp_dbf_rec_run_lvl(int level, char *tag,
  39                                 struct zfcp_erp_action *erp);
  40extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64);
  41extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);
  42extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *);
  43extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
  44extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
  45extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **);
  46extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *);
  47extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
  48extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
  49extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
  50extern void zfcp_dbf_scsi(char *, int, struct scsi_cmnd *,
  51                          struct zfcp_fsf_req *);
  52
  53/* zfcp_erp.c */
  54extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
  55extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
  56extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);
  57extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);
  58extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
  59extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
  60extern int  zfcp_erp_port_reopen(struct zfcp_port *, int, char *);
  61extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
  62extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
  63extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
  64extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
  65extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);
  66extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *);
  67extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
  68extern int  zfcp_erp_thread_setup(struct zfcp_adapter *);
  69extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
  70extern void zfcp_erp_wait(struct zfcp_adapter *);
  71extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
  72extern void zfcp_erp_timeout_handler(unsigned long);
  73
  74/* zfcp_fc.c */
  75extern struct kmem_cache *zfcp_fc_req_cache;
  76extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
  77                                enum fc_host_event_code event_code, u32);
  78extern void zfcp_fc_post_event(struct work_struct *);
  79extern void zfcp_fc_scan_ports(struct work_struct *);
  80extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
  81extern void zfcp_fc_port_did_lookup(struct work_struct *);
  82extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
  83extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
  84extern void zfcp_fc_test_link(struct zfcp_port *);
  85extern void zfcp_fc_link_test_work(struct work_struct *);
  86extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
  87extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
  88extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
  89extern int zfcp_fc_exec_bsg_job(struct bsg_job *);
  90extern int zfcp_fc_timeout_bsg_job(struct bsg_job *);
  91extern void zfcp_fc_sym_name_update(struct work_struct *);
  92extern unsigned int zfcp_fc_port_scan_backoff(void);
  93extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *);
  94extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *);
  95
  96/* zfcp_fsf.c */
  97extern struct kmem_cache *zfcp_fsf_qtcb_cache;
  98extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
  99extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
 100extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
 101extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
 102extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
 103extern int zfcp_fsf_open_lun(struct zfcp_erp_action *);
 104extern int zfcp_fsf_close_lun(struct zfcp_erp_action *);
 105extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
 106extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
 107                                              struct fsf_qtcb_bottom_config *);
 108extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
 109extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
 110                                            struct fsf_qtcb_bottom_port *);
 111extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
 112extern int zfcp_fsf_status_read(struct zfcp_qdio *);
 113extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
 114extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,
 115                            mempool_t *, unsigned int);
 116extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
 117                             struct zfcp_fsf_ct_els *, unsigned int);
 118extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *);
 119extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
 120extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8);
 121extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *);
 122extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
 123
 124/* zfcp_qdio.c */
 125extern int zfcp_qdio_setup(struct zfcp_adapter *);
 126extern void zfcp_qdio_destroy(struct zfcp_qdio *);
 127extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
 128extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
 129extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
 130                                   struct scatterlist *);
 131extern int zfcp_qdio_open(struct zfcp_qdio *);
 132extern void zfcp_qdio_close(struct zfcp_qdio *);
 133extern void zfcp_qdio_siosl(struct zfcp_adapter *);
 134
 135/* zfcp_scsi.c */
 136extern struct scsi_transport_template *zfcp_scsi_transport_template;
 137extern int zfcp_scsi_adapter_register(struct zfcp_adapter *);
 138extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *);
 139extern struct fc_function_template zfcp_transport_functions;
 140extern void zfcp_scsi_rport_work(struct work_struct *);
 141extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
 142extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
 143extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
 144extern void zfcp_scsi_set_prot(struct zfcp_adapter *);
 145extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
 146
 147/* zfcp_sysfs.c */
 148extern const struct attribute_group *zfcp_unit_attr_groups[];
 149extern struct attribute_group zfcp_sysfs_adapter_attrs;
 150extern const struct attribute_group *zfcp_port_attr_groups[];
 151extern struct mutex zfcp_sysfs_port_units_mutex;
 152extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
 153extern struct device_attribute *zfcp_sysfs_shost_attrs[];
 154
 155/* zfcp_unit.c */
 156extern int zfcp_unit_add(struct zfcp_port *, u64);
 157extern int zfcp_unit_remove(struct zfcp_port *, u64);
 158extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64);
 159extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit);
 160extern void zfcp_unit_scsi_scan(struct zfcp_unit *);
 161extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *);
 162extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *);
 163
 164#endif  /* ZFCP_EXT_H */
 165