1 /*
2 * zfcp device driver
3 *
4 * External function declarations.
5 *
6 * Copyright IBM Corporation 2002, 2009
7 */
8
9 #ifndef ZFCP_EXT_H
10 #define ZFCP_EXT_H
11
12 #include "zfcp_def.h"
13
14 /* zfcp_aux.c */
15 extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, u64);
16 extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);
17 extern int zfcp_adapter_enqueue(struct ccw_device *);
18 extern void zfcp_adapter_dequeue(struct zfcp_adapter *);
19 extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
20 u32);
21 extern void zfcp_port_dequeue(struct zfcp_port *);
22 extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, u64);
23 extern void zfcp_unit_dequeue(struct zfcp_unit *);
24 extern int zfcp_reqlist_isempty(struct zfcp_adapter *);
25 extern void zfcp_sg_free_table(struct scatterlist *, int);
26 extern int zfcp_sg_setup_table(struct scatterlist *, int);
27
28 /* zfcp_ccw.c */
29 extern int zfcp_ccw_register(void);
30 extern int zfcp_ccw_priv_sch(struct zfcp_adapter *);
31 extern struct zfcp_adapter *zfcp_get_adapter_by_busid(char *);
32
33 /* zfcp_cfdc.c */
34 extern struct miscdevice zfcp_cfdc_misc;
35
36 /* zfcp_dbf.c */
37 extern int zfcp_adapter_debug_register(struct zfcp_adapter *);
38 extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *);
39 extern void zfcp_rec_dbf_event_thread(char *, struct zfcp_adapter *);
40 extern void zfcp_rec_dbf_event_thread_lock(char *, struct zfcp_adapter *);
41 extern void zfcp_rec_dbf_event_adapter(char *, void *, struct zfcp_adapter *);
42 extern void zfcp_rec_dbf_event_port(char *, void *, struct zfcp_port *);
43 extern void zfcp_rec_dbf_event_unit(char *, void *, struct zfcp_unit *);
44 extern void zfcp_rec_dbf_event_trigger(char *, void *, u8, u8, void *,
45 struct zfcp_adapter *,
46 struct zfcp_port *, struct zfcp_unit *);
47 extern void zfcp_rec_dbf_event_action(char *, struct zfcp_erp_action *);
48 extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *);
49 extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *,
50 struct fsf_status_read_buffer *);
51 extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *, unsigned int, int,
52 int);
53 extern void zfcp_hba_dbf_event_berr(struct zfcp_adapter *,
54 struct zfcp_fsf_req *);
55 extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *);
56 extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *);
57 extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *);
58 extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *);
59 extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *);
60 extern void zfcp_scsi_dbf_event_result(const char *, int, struct zfcp_adapter *,
61 struct scsi_cmnd *,
62 struct zfcp_fsf_req *);
63 extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter *,
64 struct scsi_cmnd *, struct zfcp_fsf_req *,
65 unsigned long);
66 extern void zfcp_scsi_dbf_event_devreset(const char *, u8, struct zfcp_unit *,
67 struct scsi_cmnd *);
68
69 /* zfcp_erp.c */
70 extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, char *,
71 void *, u32, int);
72 extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *, void *);
73 extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *,
74 void *);
75 extern void zfcp_erp_adapter_failed(struct zfcp_adapter *, char *, void *);
76 extern void zfcp_erp_modify_port_status(struct zfcp_port *, char *, void *, u32,
77 int);
78 extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *, void *);
79 extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *, void *);
80 extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *,
81 void *);
82 extern void zfcp_erp_port_failed(struct zfcp_port *, char *, void *);
83 extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, char *, void *, u32,
84 int);
85 extern void zfcp_erp_unit_reopen(struct zfcp_unit *, int, char *, void *);
86 extern void zfcp_erp_unit_shutdown(struct zfcp_unit *, int, char *, void *);
87 extern void zfcp_erp_unit_failed(struct zfcp_unit *, char *, void *);
88 extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
89 extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
90 extern void zfcp_erp_wait(struct zfcp_adapter *);
91 extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
92 extern void zfcp_erp_port_boxed(struct zfcp_port *, char *, void *);
93 extern void zfcp_erp_unit_boxed(struct zfcp_unit *, char *, void *);
94 extern void zfcp_erp_port_access_denied(struct zfcp_port *, char *, void *);
95 extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, char *, void *);
96 extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, char *,
97 void *);
98 extern void zfcp_erp_timeout_handler(unsigned long);
99 extern void zfcp_erp_port_strategy_open_lookup(struct work_struct *);
100
101 /* zfcp_fc.c */
102 extern int zfcp_scan_ports(struct zfcp_adapter *);
103 extern void _zfcp_scan_ports_later(struct work_struct *);
104 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
105 extern int zfcp_fc_ns_gid_pn(struct zfcp_erp_action *);
106 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
107 extern void zfcp_test_link(struct zfcp_port *);
108 extern void zfcp_fc_link_test_work(struct work_struct *);
109 extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *);
110 extern void zfcp_fc_wka_ports_init(struct zfcp_adapter *);
111 extern int zfcp_fc_execute_els_fc_job(struct fc_bsg_job *);
112 extern int zfcp_fc_execute_ct_fc_job(struct fc_bsg_job *);
113 extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *);
114
115
116 /* zfcp_fsf.c */
117 extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
118 extern int zfcp_fsf_open_wka_port(struct zfcp_wka_port *);
119 extern int zfcp_fsf_close_wka_port(struct zfcp_wka_port *);
120 extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
121 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
122 extern int zfcp_fsf_open_unit(struct zfcp_erp_action *);
123 extern int zfcp_fsf_close_unit(struct zfcp_erp_action *);
124 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
125 extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *,
126 struct fsf_qtcb_bottom_config *);
127 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
128 extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *,
129 struct fsf_qtcb_bottom_port *);
130 extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *,
131 struct zfcp_fsf_cfdc *);
132 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
133 extern int zfcp_fsf_status_read(struct zfcp_adapter *);
134 extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
135 extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *,
136 struct zfcp_erp_action *);
137 extern int zfcp_fsf_send_els(struct zfcp_send_els *);
138 extern int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *,
139 struct scsi_cmnd *);
140 extern void zfcp_fsf_req_complete(struct zfcp_fsf_req *);
141 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
142 extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *, u8);
143 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long,
144 struct zfcp_unit *);
145
146 /* zfcp_qdio.c */
147 extern int zfcp_qdio_allocate(struct zfcp_adapter *);
148 extern void zfcp_qdio_free(struct zfcp_adapter *);
149 extern int zfcp_qdio_send(struct zfcp_fsf_req *);
150 extern struct qdio_buffer_element *zfcp_qdio_sbale_req(struct zfcp_fsf_req *);
151 extern struct qdio_buffer_element *zfcp_qdio_sbale_curr(struct zfcp_fsf_req *);
152 extern int zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *, unsigned long,
153 struct scatterlist *, int);
154 extern int zfcp_qdio_open(struct zfcp_adapter *);
155 extern void zfcp_qdio_close(struct zfcp_adapter *);
156
157 /* zfcp_scsi.c */
158 extern struct zfcp_data zfcp_data;
159 extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
160 extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
161 extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *);
162 extern struct fc_function_template zfcp_transport_functions;
163 extern void zfcp_scsi_rport_work(struct work_struct *);
164 extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
165 extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
166 extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
167 extern void zfcp_scsi_scan(struct work_struct *);
168
169 /* zfcp_sysfs.c */
170 extern struct attribute_group zfcp_sysfs_unit_attrs;
171 extern struct attribute_group zfcp_sysfs_adapter_attrs;
172 extern struct attribute_group zfcp_sysfs_port_attrs;
173 extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
174 extern struct device_attribute *zfcp_sysfs_shost_attrs[];
175
176 #endif /* ZFCP_EXT_H */
177
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