2 * This file is part of the zfcp device driver for
3 * FCP adapters for IBM System z9 and zSeries.
5 * (C) Copyright IBM Corp. 2002, 2006
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 extern struct zfcp_data zfcp_data;
29 /******************************** SYSFS *************************************/
30 extern int zfcp_sysfs_driver_create_files(struct device_driver *);
31 extern void zfcp_sysfs_driver_remove_files(struct device_driver *);
32 extern int zfcp_sysfs_adapter_create_files(struct device *);
33 extern void zfcp_sysfs_adapter_remove_files(struct device *);
34 extern int zfcp_sysfs_port_create_files(struct device *, u32);
35 extern void zfcp_sysfs_port_remove_files(struct device *, u32);
36 extern int zfcp_sysfs_unit_create_files(struct device *);
37 extern void zfcp_sysfs_unit_remove_files(struct device *);
38 extern void zfcp_sysfs_port_release(struct device *);
39 extern void zfcp_sysfs_unit_release(struct device *);
41 /**************************** CONFIGURATION *********************************/
42 extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, fcp_lun_t);
43 extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, wwn_t);
44 extern struct zfcp_port *zfcp_get_port_by_did(struct zfcp_adapter *, u32);
45 struct zfcp_adapter *zfcp_get_adapter_by_busid(char *);
46 extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
47 extern int zfcp_adapter_debug_register(struct zfcp_adapter *);
48 extern void zfcp_adapter_dequeue(struct zfcp_adapter *);
49 extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *);
50 extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, wwn_t,
52 extern void zfcp_port_dequeue(struct zfcp_port *);
53 extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, fcp_lun_t);
54 extern void zfcp_unit_dequeue(struct zfcp_unit *);
56 /******************************* S/390 IO ************************************/
57 extern int zfcp_ccw_register(void);
58 extern void zfcp_ccw_unregister(void);
60 extern void zfcp_qdio_zero_sbals(struct qdio_buffer **, int, int);
61 extern int zfcp_qdio_allocate(struct zfcp_adapter *);
62 extern int zfcp_qdio_allocate_queues(struct zfcp_adapter *);
63 extern void zfcp_qdio_free_queues(struct zfcp_adapter *);
64 extern int zfcp_qdio_determine_pci(struct zfcp_qdio_queue *,
65 struct zfcp_fsf_req *);
67 extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_req
68 (struct zfcp_fsf_req *, int, int);
69 extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_curr
70 (struct zfcp_fsf_req *);
71 extern int zfcp_qdio_sbals_from_sg
72 (struct zfcp_fsf_req *, unsigned long, struct scatterlist *, int, int);
73 extern int zfcp_qdio_sbals_from_scsicmnd
74 (struct zfcp_fsf_req *, unsigned long, struct scsi_cmnd *);
77 /******************************** FSF ****************************************/
78 extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
79 extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
80 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
82 extern int zfcp_fsf_open_unit(struct zfcp_erp_action *);
83 extern int zfcp_fsf_close_unit(struct zfcp_erp_action *);
85 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
86 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *,
87 struct zfcp_adapter *,
88 struct fsf_qtcb_bottom_port *);
89 extern int zfcp_fsf_control_file(struct zfcp_adapter *, struct zfcp_fsf_req **,
90 u32, u32, struct zfcp_sg_list *);
91 extern void zfcp_fsf_request_timeout_handler(unsigned long);
92 extern void zfcp_fsf_scsi_er_timeout_handler(unsigned long);
93 extern int zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
94 extern int zfcp_fsf_status_read(struct zfcp_adapter *, int);
95 extern int zfcp_fsf_req_create(struct zfcp_adapter *, u32, int, mempool_t *,
96 unsigned long *, struct zfcp_fsf_req **);
97 extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *,
98 struct zfcp_erp_action *);
99 extern int zfcp_fsf_send_els(struct zfcp_send_els *);
100 extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *,
103 struct timer_list*, int);
104 extern int zfcp_fsf_req_complete(struct zfcp_fsf_req *);
105 extern void zfcp_fsf_incoming_els(struct zfcp_fsf_req *);
106 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
107 extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_command_task_management(
108 struct zfcp_adapter *, struct zfcp_unit *, u8, int);
109 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(
110 unsigned long, struct zfcp_adapter *, struct zfcp_unit *, int);
112 /******************************* FC/FCP **************************************/
113 extern int zfcp_nameserver_enqueue(struct zfcp_adapter *);
114 extern int zfcp_ns_gid_pn_request(struct zfcp_erp_action *);
115 extern int zfcp_check_ct_response(struct ct_hdr *);
116 extern int zfcp_handle_els_rjt(u32, struct zfcp_ls_rjt_par *);
117 extern void zfcp_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
119 /******************************* SCSI ****************************************/
120 extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
121 extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
122 extern void zfcp_set_fcp_dl(struct fcp_cmnd_iu *, fcp_dl_t);
123 extern char *zfcp_get_fcp_rsp_info_ptr(struct fcp_rsp_iu *);
124 extern void set_host_byte(u32 *, char);
125 extern void set_driver_byte(u32 *, char);
126 extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *);
127 extern void zfcp_fsf_start_scsi_er_timer(struct zfcp_adapter *);
128 extern fcp_dl_t zfcp_get_fcp_dl(struct fcp_cmnd_iu *);
130 extern int zfcp_scsi_command_async(struct zfcp_adapter *,struct zfcp_unit *,
131 struct scsi_cmnd *, struct timer_list *);
132 extern int zfcp_scsi_command_sync(struct zfcp_unit *, struct scsi_cmnd *,
133 struct timer_list *);
134 extern struct scsi_transport_template *zfcp_transport_template;
135 extern struct fc_function_template zfcp_transport_functions;
137 /******************************** ERP ****************************************/
138 extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, u32, int);
139 extern int zfcp_erp_adapter_reopen(struct zfcp_adapter *, int);
140 extern int zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int);
141 extern void zfcp_erp_adapter_failed(struct zfcp_adapter *);
142 extern void zfcp_erp_action_dismiss_adapter(struct zfcp_adapter *);
144 extern void zfcp_erp_modify_port_status(struct zfcp_port *, u32, int);
145 extern int zfcp_erp_port_reopen(struct zfcp_port *, int);
146 extern int zfcp_erp_port_shutdown(struct zfcp_port *, int);
147 extern int zfcp_erp_port_forced_reopen(struct zfcp_port *, int);
148 extern void zfcp_erp_port_failed(struct zfcp_port *);
149 extern int zfcp_erp_port_reopen_all(struct zfcp_adapter *, int);
151 extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, u32, int);
152 extern int zfcp_erp_unit_reopen(struct zfcp_unit *, int);
153 extern int zfcp_erp_unit_shutdown(struct zfcp_unit *, int);
154 extern void zfcp_erp_unit_failed(struct zfcp_unit *);
156 extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
157 extern int zfcp_erp_thread_kill(struct zfcp_adapter *);
158 extern int zfcp_erp_wait(struct zfcp_adapter *);
159 extern void zfcp_erp_async_handler(struct zfcp_erp_action *, unsigned long);
161 extern int zfcp_test_link(struct zfcp_port *);
163 extern void zfcp_erp_port_boxed(struct zfcp_port *);
164 extern void zfcp_erp_unit_boxed(struct zfcp_unit *);
165 extern void zfcp_erp_port_access_denied(struct zfcp_port *);
166 extern void zfcp_erp_unit_access_denied(struct zfcp_unit *);
167 extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *);
168 extern void zfcp_erp_port_access_changed(struct zfcp_port *);
169 extern void zfcp_erp_unit_access_changed(struct zfcp_unit *);
171 /******************************** AUX ****************************************/
172 extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *);
173 extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *,
174 struct fsf_status_read_buffer *);
175 extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *,
176 unsigned int, unsigned int, unsigned int,
179 extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *);
180 extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *);
181 extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *);
182 extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *);
183 extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *);
185 extern void zfcp_scsi_dbf_event_result(const char *, int, struct zfcp_adapter *,
187 struct zfcp_fsf_req *);
188 extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter *,
189 struct scsi_cmnd *, struct zfcp_fsf_req *,
190 struct zfcp_fsf_req *);
191 extern void zfcp_scsi_dbf_event_devreset(const char *, u8, struct zfcp_unit *,
193 extern void zfcp_reqlist_add(struct zfcp_adapter *, struct zfcp_fsf_req *);
194 extern void zfcp_reqlist_remove(struct zfcp_adapter *, unsigned long);
195 extern struct zfcp_fsf_req *zfcp_reqlist_ismember(struct zfcp_adapter *,
197 extern int zfcp_reqlist_isempty(struct zfcp_adapter *);
199 #endif /* ZFCP_EXT_H */