4 * External function declarations.
6 * Copyright IBM Corporation 2002, 2008
14 extern struct zfcp_data zfcp_data
;
17 extern struct attribute_group zfcp_sysfs_unit_attrs
;
18 extern struct attribute_group zfcp_sysfs_adapter_attrs
;
19 extern struct attribute_group zfcp_sysfs_ns_port_attrs
;
20 extern struct attribute_group zfcp_sysfs_port_attrs
;
21 extern struct device_attribute
*zfcp_sysfs_sdev_attrs
[];
22 extern struct device_attribute
*zfcp_sysfs_shost_attrs
[];
24 /**************************** CONFIGURATION *********************************/
25 extern struct zfcp_unit
*zfcp_get_unit_by_lun(struct zfcp_port
*, fcp_lun_t
);
26 extern struct zfcp_port
*zfcp_get_port_by_wwpn(struct zfcp_adapter
*, wwn_t
);
27 extern int zfcp_adapter_enqueue(struct ccw_device
*);
28 extern int zfcp_adapter_debug_register(struct zfcp_adapter
*);
29 extern void zfcp_adapter_dequeue(struct zfcp_adapter
*);
30 extern void zfcp_adapter_debug_unregister(struct zfcp_adapter
*);
31 extern struct zfcp_port
*zfcp_port_enqueue(struct zfcp_adapter
*, wwn_t
,
33 extern void zfcp_port_dequeue(struct zfcp_port
*);
34 extern struct zfcp_unit
*zfcp_unit_enqueue(struct zfcp_port
*, fcp_lun_t
);
35 extern void zfcp_unit_dequeue(struct zfcp_unit
*);
36 extern int zfcp_scan_ports(struct zfcp_adapter
*);
37 extern void _zfcp_scan_ports_later(struct work_struct
*work
);
39 /******************************* S/390 IO ************************************/
40 extern int zfcp_ccw_register(void);
42 extern int zfcp_qdio_allocate(struct zfcp_adapter
*);
43 extern void zfcp_qdio_free(struct zfcp_adapter
*);
44 extern int zfcp_qdio_send(struct zfcp_fsf_req
*fsf_req
);
46 extern volatile struct qdio_buffer_element
*zfcp_qdio_sbale_req
47 (struct zfcp_fsf_req
*);
48 extern volatile struct qdio_buffer_element
*zfcp_qdio_sbale_curr
49 (struct zfcp_fsf_req
*);
50 extern int zfcp_qdio_sbals_from_sg
51 (struct zfcp_fsf_req
*, unsigned long, struct scatterlist
*, int);
52 extern int zfcp_qdio_open(struct zfcp_adapter
*adapter
);
53 extern void zfcp_qdio_close(struct zfcp_adapter
*adapter
);
54 /******************************** FSF ****************************************/
55 extern int zfcp_fsf_open_port(struct zfcp_erp_action
*);
56 extern int zfcp_fsf_close_port(struct zfcp_erp_action
*);
57 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action
*);
59 extern int zfcp_fsf_open_unit(struct zfcp_erp_action
*);
60 extern int zfcp_fsf_close_unit(struct zfcp_erp_action
*);
62 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action
*);
63 extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter
*,
64 struct fsf_qtcb_bottom_config
*);
65 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action
*);
66 extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter
*,
67 struct fsf_qtcb_bottom_port
*);
68 extern struct zfcp_fsf_req
*zfcp_fsf_control_file(struct zfcp_adapter
*adapter
,
69 struct zfcp_fsf_cfdc
*fsf_cfdc
);
70 extern void zfcp_fsf_start_timer(struct zfcp_fsf_req
*, unsigned long);
71 extern void zfcp_erp_start_timer(struct zfcp_fsf_req
*);
72 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter
*);
73 extern int zfcp_fsf_status_read(struct zfcp_adapter
*, int);
74 extern int zfcp_status_read_refill(struct zfcp_adapter
*adapter
);
75 extern int zfcp_fsf_req_create(struct zfcp_adapter
*, u32
, int, mempool_t
*,
76 unsigned long *, struct zfcp_fsf_req
**)
77 __acquires(adapter
->req_q
.lock
);
78 extern int zfcp_fsf_send_ct(struct zfcp_send_ct
*, mempool_t
*,
79 struct zfcp_erp_action
*);
80 extern int zfcp_fsf_send_els(struct zfcp_send_els
*);
81 extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter
*,
83 struct scsi_cmnd
*, int, int);
84 extern int zfcp_fsf_req_complete(struct zfcp_fsf_req
*);
85 extern void zfcp_fsf_req_free(struct zfcp_fsf_req
*);
86 extern struct zfcp_fsf_req
*zfcp_fsf_send_fcp_command_task_management(
87 struct zfcp_adapter
*, struct zfcp_unit
*, u8
, int);
88 extern struct zfcp_fsf_req
*zfcp_fsf_abort_fcp_command(
89 unsigned long, struct zfcp_adapter
*, struct zfcp_unit
*, int);
91 /******************************* FC/FCP **************************************/
92 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req
*);
93 extern int zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action
*);
94 extern void zfcp_fc_plogi_evaluate(struct zfcp_port
*, struct fsf_plogi
*);
95 extern void zfcp_test_link(struct zfcp_port
*);
97 /******************************* SCSI ****************************************/
98 extern int zfcp_adapter_scsi_register(struct zfcp_adapter
*);
99 extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter
*);
100 extern void zfcp_set_fcp_dl(struct fcp_cmnd_iu
*, fcp_dl_t
);
101 extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu
*);
103 extern struct fc_function_template zfcp_transport_functions
;
105 /******************************** ERP ****************************************/
106 extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter
*, u8
, void *,
108 extern int zfcp_erp_adapter_reopen(struct zfcp_adapter
*, int, u8
, void *);
109 extern int zfcp_erp_adapter_shutdown(struct zfcp_adapter
*, int, u8
, void *);
110 extern void zfcp_erp_adapter_failed(struct zfcp_adapter
*, u8
, void *);
112 extern void zfcp_erp_modify_port_status(struct zfcp_port
*, u8
, void *, u32
,
114 extern int zfcp_erp_port_reopen(struct zfcp_port
*, int, u8
, void *);
115 extern int zfcp_erp_port_shutdown(struct zfcp_port
*, int, u8
, void *);
116 extern int zfcp_erp_port_forced_reopen(struct zfcp_port
*, int, u8
, void *);
117 extern void zfcp_erp_port_failed(struct zfcp_port
*, u8
, void *);
118 extern int zfcp_erp_port_reopen_all(struct zfcp_adapter
*, int, u8
, void *);
120 extern void zfcp_erp_modify_unit_status(struct zfcp_unit
*, u8
, void *, u32
,
122 extern int zfcp_erp_unit_reopen(struct zfcp_unit
*, int, u8
, void *);
123 extern int zfcp_erp_unit_shutdown(struct zfcp_unit
*, int, u8
, void *);
124 extern void zfcp_erp_unit_failed(struct zfcp_unit
*, u8
, void *);
126 extern int zfcp_erp_thread_setup(struct zfcp_adapter
*);
127 extern int zfcp_erp_thread_kill(struct zfcp_adapter
*);
128 extern int zfcp_erp_wait(struct zfcp_adapter
*);
129 extern void zfcp_erp_async_handler(struct zfcp_erp_action
*, unsigned long);
131 extern void zfcp_erp_port_boxed(struct zfcp_port
*, u8 id
, void *ref
);
132 extern void zfcp_erp_unit_boxed(struct zfcp_unit
*, u8 id
, void *ref
);
133 extern void zfcp_erp_port_access_denied(struct zfcp_port
*, u8 id
, void *ref
);
134 extern void zfcp_erp_unit_access_denied(struct zfcp_unit
*, u8 id
, void *ref
);
135 extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter
*, u8
, void *);
136 extern void zfcp_erp_port_access_changed(struct zfcp_port
*, u8
, void *);
137 extern void zfcp_erp_unit_access_changed(struct zfcp_unit
*, u8
, void *);
139 /******************************** AUX ****************************************/
140 extern void zfcp_sg_free_table(struct scatterlist
*sg
, int count
);
141 extern int zfcp_sg_setup_table(struct scatterlist
*sg
, int count
);
142 extern void zfcp_rec_dbf_event_thread(u8 id
, struct zfcp_adapter
*adapter
);
143 extern void zfcp_rec_dbf_event_thread_lock(u8 id
, struct zfcp_adapter
*adapter
);
144 extern void zfcp_rec_dbf_event_adapter(u8 id
, void *ref
, struct zfcp_adapter
*);
145 extern void zfcp_rec_dbf_event_port(u8 id
, void *ref
, struct zfcp_port
*port
);
146 extern void zfcp_rec_dbf_event_unit(u8 id
, void *ref
, struct zfcp_unit
*unit
);
147 extern void zfcp_rec_dbf_event_trigger(u8 id
, void *ref
, u8 want
, u8 need
,
148 void *action
, struct zfcp_adapter
*,
149 struct zfcp_port
*, struct zfcp_unit
*);
150 extern void zfcp_rec_dbf_event_action(u8 id
, struct zfcp_erp_action
*);
152 extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req
*);
153 extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter
*,
154 struct fsf_status_read_buffer
*);
155 extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter
*,
156 unsigned int, unsigned int, unsigned int,
159 extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req
*);
160 extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req
*);
161 extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req
*);
162 extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req
*);
163 extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req
*);
165 extern void zfcp_scsi_dbf_event_result(const char *, int, struct zfcp_adapter
*,
167 struct zfcp_fsf_req
*);
168 extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter
*,
169 struct scsi_cmnd
*, struct zfcp_fsf_req
*,
171 extern void zfcp_scsi_dbf_event_devreset(const char *, u8
, struct zfcp_unit
*,
173 extern int zfcp_reqlist_isempty(struct zfcp_adapter
*);
175 extern struct miscdevice zfcp_cfdc_misc
;
177 #endif /* ZFCP_EXT_H */