1 /* SPDX-License-Identifier: GPL-2.0 */
5 * External function declarations.
7 * Copyright IBM Corp. 2002, 2016
13 #include <linux/types.h>
14 #include <scsi/fc/fc_els.h>
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,
23 extern void zfcp_sg_free_table(struct scatterlist *, int);
24 extern int zfcp_sg_setup_table(struct scatterlist *, int);
25 extern void zfcp_adapter_release(struct kref *);
26 extern void zfcp_adapter_unregister(struct zfcp_adapter *);
29 extern struct ccw_driver zfcp_ccw_driver;
30 extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
31 extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
34 extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
35 extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *);
36 extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
37 struct zfcp_port *, struct scsi_device *, u8, u8);
38 extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
39 extern void zfcp_dbf_rec_run_lvl(int level, char *tag,
40 struct zfcp_erp_action *erp);
41 extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64);
42 extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);
43 extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *);
44 extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
45 extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **);
46 extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *);
47 extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
48 extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
49 extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
50 extern void zfcp_dbf_scsi_common(char *tag, int level, struct scsi_device *sdev,
52 struct zfcp_fsf_req *fsf);
53 extern void zfcp_dbf_scsi_eh(char *tag, struct zfcp_adapter *adapter,
54 unsigned int scsi_id, int ret);
57 extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
58 extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
59 extern void zfcp_erp_port_forced_no_port_dbf(char *id,
60 struct zfcp_adapter *adapter,
61 u64 port_name, u32 port_id);
62 extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);
63 extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);
64 extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
65 extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
66 extern void zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id);
67 extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
68 extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
69 extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
70 extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
71 extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);
72 extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *);
73 extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
74 extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
75 extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
76 extern void zfcp_erp_wait(struct zfcp_adapter *);
77 extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
78 extern void zfcp_erp_timeout_handler(struct timer_list *t);
81 extern struct kmem_cache *zfcp_fc_req_cache;
82 extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
83 enum fc_host_event_code event_code, u32);
84 extern void zfcp_fc_post_event(struct work_struct *);
85 extern void zfcp_fc_scan_ports(struct work_struct *);
86 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
87 extern void zfcp_fc_port_did_lookup(struct work_struct *);
88 extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
89 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
90 extern void zfcp_fc_test_link(struct zfcp_port *);
91 extern void zfcp_fc_link_test_work(struct work_struct *);
92 extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
93 extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
94 extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
95 extern int zfcp_fc_exec_bsg_job(struct bsg_job *);
96 extern int zfcp_fc_timeout_bsg_job(struct bsg_job *);
97 extern void zfcp_fc_sym_name_update(struct work_struct *);
98 extern unsigned int zfcp_fc_port_scan_backoff(void);
99 extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *);
100 extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *);
103 extern struct kmem_cache *zfcp_fsf_qtcb_cache;
104 extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
105 extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
106 extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
107 extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
108 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
109 extern int zfcp_fsf_open_lun(struct zfcp_erp_action *);
110 extern int zfcp_fsf_close_lun(struct zfcp_erp_action *);
111 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
112 extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
113 struct fsf_qtcb_bottom_config *);
114 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
115 extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
116 struct fsf_qtcb_bottom_port *);
117 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
118 extern int zfcp_fsf_status_read(struct zfcp_qdio *);
119 extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
120 extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,
121 mempool_t *, unsigned int);
122 extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
123 struct zfcp_fsf_ct_els *, unsigned int);
124 extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *);
125 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
126 extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_device *sdev,
128 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *);
129 extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
132 extern int zfcp_qdio_setup(struct zfcp_adapter *);
133 extern void zfcp_qdio_destroy(struct zfcp_qdio *);
134 extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
135 extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
136 extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
137 struct scatterlist *);
138 extern int zfcp_qdio_open(struct zfcp_qdio *);
139 extern void zfcp_qdio_close(struct zfcp_qdio *);
140 extern void zfcp_qdio_siosl(struct zfcp_adapter *);
143 extern struct scsi_transport_template *zfcp_scsi_transport_template;
144 extern int zfcp_scsi_adapter_register(struct zfcp_adapter *);
145 extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *);
146 extern struct fc_function_template zfcp_transport_functions;
147 extern void zfcp_scsi_rport_work(struct work_struct *);
148 extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
149 extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
150 extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
151 extern void zfcp_scsi_set_prot(struct zfcp_adapter *);
152 extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
155 extern const struct attribute_group *zfcp_unit_attr_groups[];
156 extern struct attribute_group zfcp_sysfs_adapter_attrs;
157 extern const struct attribute_group *zfcp_port_attr_groups[];
158 extern struct mutex zfcp_sysfs_port_units_mutex;
159 extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
160 extern struct device_attribute *zfcp_sysfs_shost_attrs[];
163 extern int zfcp_unit_add(struct zfcp_port *, u64);
164 extern int zfcp_unit_remove(struct zfcp_port *, u64);
165 extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64);
166 extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit);
167 extern void zfcp_unit_scsi_scan(struct zfcp_unit *);
168 extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *);
169 extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *);
171 #endif /* ZFCP_EXT_H */