204 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * zfcp device driver4 *5 * External function declarations.6 *7 * Copyright IBM Corp. 2002, 20238 */9 10#ifndef ZFCP_EXT_H11#define ZFCP_EXT_H12 13#include <linux/types.h>14#include <linux/sysfs.h>15#include <scsi/fc/fc_els.h>16#include "zfcp_def.h"17#include "zfcp_fc.h"18 19/* zfcp_aux.c */20extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);21extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);22extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,23 u32);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_trig_lock(char *tag, struct zfcp_adapter *adapter,38 struct zfcp_port *port,39 struct scsi_device *sdev, u8 want, u8 need);40extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);41extern void zfcp_dbf_rec_run_lvl(int level, char *tag,42 struct zfcp_erp_action *erp);43extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64);44extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);45extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *);46extern void zfcp_dbf_hba_fsf_fces(char *tag, const struct zfcp_fsf_req *req,47 u64 wwpn, u32 fc_security_old,48 u32 fc_security_new);49extern void zfcp_dbf_hba_fsf_reqid(const char *const tag, const int level,50 struct zfcp_adapter *const adapter,51 const u64 req_id);52extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);53extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **);54extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);55extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);56extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);57extern void zfcp_dbf_scsi_common(char *tag, int level, struct scsi_device *sdev,58 struct scsi_cmnd *sc,59 struct zfcp_fsf_req *fsf);60extern void zfcp_dbf_scsi_eh(char *tag, struct zfcp_adapter *adapter,61 unsigned int scsi_id, int ret);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_port_forced_no_port_dbf(char *dbftag,67 struct zfcp_adapter *adapter,68 u64 port_name, u32 port_id);69extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);70extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);71extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);72extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);73extern void zfcp_erp_port_reopen(struct zfcp_port *port, int clear,74 char *dbftag);75extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);76extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);77extern void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter,78 int clear, char *dbftag);79extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);80extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);81extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);82extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *);83extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);84extern int zfcp_erp_thread_setup(struct zfcp_adapter *);85extern void zfcp_erp_thread_kill(struct zfcp_adapter *);86extern void zfcp_erp_wait(struct zfcp_adapter *);87extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);88extern void zfcp_erp_timeout_handler(struct timer_list *t);89extern void zfcp_erp_adapter_reset_sync(struct zfcp_adapter *adapter,90 char *dbftag);91 92/* zfcp_fc.c */93extern struct kmem_cache *zfcp_fc_req_cache;94extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,95 enum fc_host_event_code event_code, u32);96extern void zfcp_fc_post_event(struct work_struct *);97extern void zfcp_fc_scan_ports(struct work_struct *);98extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);99extern void zfcp_fc_port_did_lookup(struct work_struct *);100extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);101extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);102extern void zfcp_fc_test_link(struct zfcp_port *);103extern void zfcp_fc_link_test_work(struct work_struct *);104extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);105extern int zfcp_fc_gs_setup(struct zfcp_adapter *);106extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);107extern int zfcp_fc_exec_bsg_job(struct bsg_job *);108extern int zfcp_fc_timeout_bsg_job(struct bsg_job *);109extern void zfcp_fc_sym_name_update(struct work_struct *);110extern unsigned int zfcp_fc_port_scan_backoff(void);111extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *);112extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *);113 114/* zfcp_fsf.c */115extern struct kmem_cache *zfcp_fsf_qtcb_cache;116extern int zfcp_fsf_open_port(struct zfcp_erp_action *);117extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);118extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);119extern int zfcp_fsf_close_port(struct zfcp_erp_action *);120extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);121extern int zfcp_fsf_open_lun(struct zfcp_erp_action *);122extern int zfcp_fsf_close_lun(struct zfcp_erp_action *);123extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);124extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,125 struct fsf_qtcb_bottom_config *);126extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);127extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,128 struct fsf_qtcb_bottom_port *);129extern u32 zfcp_fsf_convert_portspeed(u32 fsf_speed);130extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);131extern int zfcp_fsf_status_read(struct zfcp_qdio *);132extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);133extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,134 mempool_t *, unsigned int);135extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,136 struct zfcp_fsf_ct_els *, unsigned int);137extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *);138extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);139extern void zfcp_fsf_fc_host_link_down(struct zfcp_adapter *adapter);140extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_device *sdev,141 u8 tm_flags);142extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *);143extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);144enum zfcp_fsf_print_fmt {145 ZFCP_FSF_PRINT_FMT_LIST,146 ZFCP_FSF_PRINT_FMT_SINGLEITEM,147};148extern ssize_t zfcp_fsf_scnprint_fc_security(char *buf, size_t size,149 u32 fc_security,150 enum zfcp_fsf_print_fmt fmt);151 152/* zfcp_qdio.c */153extern int zfcp_qdio_setup(struct zfcp_adapter *);154extern void zfcp_qdio_destroy(struct zfcp_qdio *);155extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);156extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);157extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,158 struct scatterlist *);159extern void zfcp_qdio_shost_update(struct zfcp_adapter *const adapter,160 const struct zfcp_qdio *const qdio);161extern int zfcp_qdio_open(struct zfcp_qdio *);162extern void zfcp_qdio_close(struct zfcp_qdio *);163extern void zfcp_qdio_siosl(struct zfcp_adapter *);164 165/* zfcp_scsi.c */166extern bool zfcp_experimental_dix;167extern struct scsi_transport_template *zfcp_scsi_transport_template;168extern int zfcp_scsi_adapter_register(struct zfcp_adapter *);169extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *);170extern struct fc_function_template zfcp_transport_functions;171extern void zfcp_scsi_rport_work(struct work_struct *);172extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);173extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);174extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);175extern void zfcp_scsi_set_prot(struct zfcp_adapter *);176extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);177extern void zfcp_scsi_shost_update_config_data(178 struct zfcp_adapter *const adapter,179 const struct fsf_qtcb_bottom_config *const bottom,180 const bool bottom_incomplete);181extern void zfcp_scsi_shost_update_port_data(182 struct zfcp_adapter *const adapter,183 const struct fsf_qtcb_bottom_port *const bottom);184 185/* zfcp_sysfs.c */186extern const struct attribute_group *zfcp_sysfs_adapter_attr_groups[];187extern const struct attribute_group *zfcp_unit_attr_groups[];188extern const struct attribute_group *zfcp_port_attr_groups[];189extern struct mutex zfcp_sysfs_port_units_mutex;190extern const struct attribute_group *zfcp_sysfs_sdev_attr_groups[];191extern const struct attribute_group *zfcp_sysfs_shost_attr_groups[];192bool zfcp_sysfs_port_is_removing(const struct zfcp_port *const port);193 194/* zfcp_unit.c */195extern int zfcp_unit_add(struct zfcp_port *, u64);196extern int zfcp_unit_remove(struct zfcp_port *, u64);197extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64);198extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit);199extern void zfcp_unit_scsi_scan(struct zfcp_unit *);200extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *);201extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *);202 203#endif /* ZFCP_EXT_H */204