xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_crtn.h (revision 695a814e)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2004-2008 Emulex.  All rights reserved.           *
5  * EMULEX and SLI are trademarks of Emulex.                        *
6  * www.emulex.com                                                  *
7  *                                                                 *
8  * This program is free software; you can redistribute it and/or   *
9  * modify it under the terms of version 2 of the GNU General       *
10  * Public License as published by the Free Software Foundation.    *
11  * This program is distributed in the hope that it will be useful. *
12  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
13  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
14  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
15  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
16  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
17  * more details, a copy of which can be found in the file COPYING  *
18  * included with this package.                                     *
19  *******************************************************************/
20 
21 typedef int (*node_filter)(struct lpfc_nodelist *, void *);
22 
23 struct fc_rport;
24 void lpfc_down_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
25 void lpfc_sli_read_link_ste(struct lpfc_hba *);
26 void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t, uint16_t);
27 void lpfc_dump_wakeup_param(struct lpfc_hba *, LPFC_MBOXQ_t *);
28 int lpfc_dump_static_vport(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
29 int lpfc_dump_fcoe_param(struct lpfc_hba *, struct lpfcMboxq *);
30 void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
31 void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
32 
33 void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *);
34 int lpfc_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *, struct lpfc_dmabuf *);
35 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
36 void lpfc_issue_clear_la(struct lpfc_hba *, struct lpfc_vport *);
37 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
38 int lpfc_config_msi(struct lpfc_hba *, LPFC_MBOXQ_t *);
39 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int);
40 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
41 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
42 int lpfc_reg_rpi(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *,
43 		 LPFC_MBOXQ_t *, uint32_t);
44 void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
45 void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
46 void lpfc_reg_vpi(struct lpfc_vport *, LPFC_MBOXQ_t *);
47 void lpfc_register_new_vport(struct lpfc_hba *, struct lpfc_vport *,
48 			struct lpfc_nodelist *);
49 void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
50 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
51 void lpfc_request_features(struct lpfc_hba *, struct lpfcMboxq *);
52 
53 struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
54 void lpfc_cleanup_rcv_buffers(struct lpfc_vport *);
55 void lpfc_rcv_seq_check_edtov(struct lpfc_vport *);
56 void lpfc_cleanup_rpis(struct lpfc_vport *, int);
57 void lpfc_cleanup_pending_mbox(struct lpfc_vport *);
58 int lpfc_linkdown(struct lpfc_hba *);
59 void lpfc_linkdown_port(struct lpfc_vport *);
60 void lpfc_port_link_failure(struct lpfc_vport *);
61 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
62 void lpfc_init_vpi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
63 void lpfc_retry_pport_discovery(struct lpfc_hba *);
64 
65 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
66 void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
67 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
68 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
69 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
70 void lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *, LPFC_MBOXQ_t *);
71 void lpfc_enqueue_node(struct lpfc_vport *, struct lpfc_nodelist *);
72 void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *);
73 struct lpfc_nodelist *lpfc_enable_node(struct lpfc_vport *,
74 					struct lpfc_nodelist *, int);
75 void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int);
76 void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
77 void lpfc_set_disctmo(struct lpfc_vport *);
78 int  lpfc_can_disctmo(struct lpfc_vport *);
79 int  lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *);
80 void lpfc_unreg_all_rpis(struct lpfc_vport *);
81 void lpfc_unreg_default_rpis(struct lpfc_vport *);
82 void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
83 
84 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
85 			struct lpfc_iocbq *, struct lpfc_nodelist *);
86 void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t);
87 struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
88 int  lpfc_nlp_put(struct lpfc_nodelist *);
89 int  lpfc_nlp_not_used(struct lpfc_nodelist *ndlp);
90 struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t);
91 void lpfc_disc_list_loopmap(struct lpfc_vport *);
92 void lpfc_disc_start(struct lpfc_vport *);
93 void lpfc_cleanup_discovery_resources(struct lpfc_vport *);
94 void lpfc_cleanup(struct lpfc_vport *);
95 void lpfc_disc_timeout(unsigned long);
96 
97 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
98 
99 void lpfc_worker_wake_up(struct lpfc_hba *);
100 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
101 int lpfc_do_work(void *);
102 int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *,
103 			    uint32_t);
104 
105 void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
106 int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
107 		     struct serv_parm *, uint32_t, int);
108 int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
109 void lpfc_more_plogi(struct lpfc_vport *);
110 void lpfc_more_adisc(struct lpfc_vport *);
111 void lpfc_end_rscn(struct lpfc_vport *);
112 int lpfc_els_chk_latt(struct lpfc_vport *);
113 int lpfc_els_abort_flogi(struct lpfc_hba *);
114 int lpfc_initial_flogi(struct lpfc_vport *);
115 int lpfc_initial_fdisc(struct lpfc_vport *);
116 int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t);
117 int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
118 int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
119 int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
120 int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
121 int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t);
122 int lpfc_issue_fabric_reglogin(struct lpfc_vport *);
123 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
124 int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
125 int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
126 		     struct lpfc_nodelist *, LPFC_MBOXQ_t *);
127 int lpfc_els_rsp_reject(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
128 			struct lpfc_nodelist *, LPFC_MBOXQ_t *);
129 int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *,
130 			   struct lpfc_nodelist *);
131 int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *,
132 			  struct lpfc_nodelist *);
133 void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *);
134 void lpfc_els_retry_delay(unsigned long);
135 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
136 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
137 			  struct lpfc_iocbq *);
138 int lpfc_els_handle_rscn(struct lpfc_vport *);
139 void lpfc_els_flush_rscn(struct lpfc_vport *);
140 int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t);
141 void lpfc_els_flush_all_cmd(struct lpfc_hba *);
142 void lpfc_els_flush_cmd(struct lpfc_vport *);
143 int lpfc_els_disc_adisc(struct lpfc_vport *);
144 int lpfc_els_disc_plogi(struct lpfc_vport *);
145 void lpfc_els_timeout(unsigned long);
146 void lpfc_els_timeout_handler(struct lpfc_vport *);
147 struct lpfc_iocbq *lpfc_prep_els_iocb(struct lpfc_vport *, uint8_t, uint16_t,
148 				      uint8_t, struct lpfc_nodelist *,
149 				      uint32_t, uint32_t);
150 void lpfc_hb_timeout_handler(struct lpfc_hba *);
151 
152 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
153 			 struct lpfc_iocbq *);
154 void lpfc_sli4_ct_abort_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
155 				    struct lpfc_iocbq *);
156 int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
157 int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int);
158 void lpfc_fdmi_tmo(unsigned long);
159 void lpfc_fdmi_timeout_handler(struct lpfc_vport *);
160 
161 int lpfc_config_port_prep(struct lpfc_hba *);
162 int lpfc_config_port_post(struct lpfc_hba *);
163 int lpfc_hba_down_prep(struct lpfc_hba *);
164 int lpfc_hba_down_post(struct lpfc_hba *);
165 void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
166 int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int);
167 void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
168 int lpfc_online(struct lpfc_hba *);
169 void lpfc_unblock_mgmt_io(struct lpfc_hba *);
170 void lpfc_offline_prep(struct lpfc_hba *);
171 void lpfc_offline(struct lpfc_hba *);
172 void lpfc_reset_hba(struct lpfc_hba *);
173 
174 int lpfc_sli_setup(struct lpfc_hba *);
175 int lpfc_sli_queue_setup(struct lpfc_hba *);
176 
177 void lpfc_handle_eratt(struct lpfc_hba *);
178 void lpfc_handle_latt(struct lpfc_hba *);
179 irqreturn_t lpfc_sli_intr_handler(int, void *);
180 irqreturn_t lpfc_sli_sp_intr_handler(int, void *);
181 irqreturn_t lpfc_sli_fp_intr_handler(int, void *);
182 irqreturn_t lpfc_sli4_intr_handler(int, void *);
183 irqreturn_t lpfc_sli4_sp_intr_handler(int, void *);
184 irqreturn_t lpfc_sli4_fp_intr_handler(int, void *);
185 
186 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
187 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
188 void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
189 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
190 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
191 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
192 void __lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
193 void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
194 int lpfc_mbox_cmd_check(struct lpfc_hba *, LPFC_MBOXQ_t *);
195 int lpfc_mbox_dev_check(struct lpfc_hba *);
196 int lpfc_mbox_tmo_val(struct lpfc_hba *, int);
197 void lpfc_init_vfi(struct lpfcMboxq *, struct lpfc_vport *);
198 void lpfc_reg_vfi(struct lpfcMboxq *, struct lpfc_vport *, dma_addr_t);
199 void lpfc_init_vpi(struct lpfc_hba *, struct lpfcMboxq *, uint16_t);
200 void lpfc_unreg_vfi(struct lpfcMboxq *, struct lpfc_vport *);
201 void lpfc_reg_fcfi(struct lpfc_hba *, struct lpfcMboxq *);
202 void lpfc_unreg_fcfi(struct lpfcMboxq *, uint16_t);
203 void lpfc_resume_rpi(struct lpfcMboxq *, struct lpfc_nodelist *);
204 int lpfc_check_pending_fcoe_event(struct lpfc_hba *, uint8_t);
205 
206 void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *,
207 	uint32_t , LPFC_MBOXQ_t *);
208 struct hbq_dmabuf *lpfc_els_hbq_alloc(struct lpfc_hba *);
209 void lpfc_els_hbq_free(struct lpfc_hba *, struct hbq_dmabuf *);
210 struct hbq_dmabuf *lpfc_sli4_rb_alloc(struct lpfc_hba *);
211 void lpfc_sli4_rb_free(struct lpfc_hba *, struct hbq_dmabuf *);
212 void lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *, struct fcf_record *,
213 			uint16_t);
214 void lpfc_unregister_unused_fcf(struct lpfc_hba *);
215 
216 int lpfc_mem_alloc(struct lpfc_hba *, int align);
217 void lpfc_mem_free(struct lpfc_hba *);
218 void lpfc_mem_free_all(struct lpfc_hba *);
219 void lpfc_stop_vport_timers(struct lpfc_vport *);
220 
221 void lpfc_poll_timeout(unsigned long ptr);
222 void lpfc_poll_start_timer(struct lpfc_hba *);
223 void lpfc_poll_eratt(unsigned long);
224 int
225 lpfc_sli_handle_fast_ring_event(struct lpfc_hba *,
226 			struct lpfc_sli_ring *, uint32_t);
227 
228 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
229 void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *);
230 uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *);
231 void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t,
232 			   uint32_t);
233 void lpfc_sli_wake_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *);
234 
235 void lpfc_reset_barrier(struct lpfc_hba * phba);
236 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
237 int lpfc_sli_brdkill(struct lpfc_hba *);
238 int lpfc_sli_brdreset(struct lpfc_hba *);
239 int lpfc_sli_brdrestart(struct lpfc_hba *);
240 int lpfc_sli_hba_setup(struct lpfc_hba *);
241 int lpfc_sli_config_port(struct lpfc_hba *, int);
242 int lpfc_sli_host_down(struct lpfc_vport *);
243 int lpfc_sli_hba_down(struct lpfc_hba *);
244 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
245 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
246 void lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *);
247 int lpfc_sli_check_eratt(struct lpfc_hba *);
248 void lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
249 				    struct lpfc_sli_ring *, uint32_t);
250 void lpfc_sli4_handle_received_buffer(struct lpfc_hba *, struct hbq_dmabuf *);
251 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
252 int lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
253 			struct lpfc_iocbq *, uint32_t);
254 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
255 void lpfc_sli_bemem_bcopy(void *, void *, uint32_t);
256 void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
257 void lpfc_sli_flush_fcp_rings(struct lpfc_hba *);
258 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
259 			     struct lpfc_dmabuf *);
260 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
261 					     struct lpfc_sli_ring *,
262 					     dma_addr_t);
263 
264 uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba *);
265 struct lpfc_dmabuf * lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *,
266 			struct lpfc_sli_ring *, uint32_t );
267 
268 int lpfc_sli_hbq_count(void);
269 int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t);
270 void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *);
271 int lpfc_sli_hbq_size(void);
272 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
273 			       struct lpfc_iocbq *);
274 int lpfc_sli_sum_iocb(struct lpfc_vport *, uint16_t, uint64_t, lpfc_ctx_cmd);
275 int lpfc_sli_abort_iocb(struct lpfc_vport *, struct lpfc_sli_ring *, uint16_t,
276 			uint64_t, lpfc_ctx_cmd);
277 
278 void lpfc_mbox_timeout(unsigned long);
279 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
280 
281 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
282 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
283 					 struct lpfc_name *);
284 
285 int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
286 
287 int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, uint32_t,
288 			     struct lpfc_iocbq *, struct lpfc_iocbq *,
289 			     uint32_t);
290 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *,
291 			     struct lpfc_iocbq *);
292 
293 void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
294 
295 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
296 void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
297 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
298 
299 void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);
300 /* Function prototypes. */
301 const char* lpfc_info(struct Scsi_Host *);
302 int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
303 
304 int lpfc_init_api_table_setup(struct lpfc_hba *, uint8_t);
305 int lpfc_sli_api_table_setup(struct lpfc_hba *, uint8_t);
306 int lpfc_scsi_api_table_setup(struct lpfc_hba *, uint8_t);
307 int lpfc_mbox_api_table_setup(struct lpfc_hba *, uint8_t);
308 int lpfc_api_table_setup(struct lpfc_hba *, uint8_t);
309 
310 void lpfc_get_cfgparam(struct lpfc_hba *);
311 void lpfc_get_vport_cfgparam(struct lpfc_vport *);
312 int lpfc_alloc_sysfs_attr(struct lpfc_vport *);
313 void lpfc_free_sysfs_attr(struct lpfc_vport *);
314 extern struct device_attribute *lpfc_hba_attrs[];
315 extern struct device_attribute *lpfc_vport_attrs[];
316 extern struct scsi_host_template lpfc_template;
317 extern struct scsi_host_template lpfc_vport_template;
318 extern struct fc_function_template lpfc_transport_functions;
319 extern struct fc_function_template lpfc_vport_transport_functions;
320 extern int lpfc_sli_mode;
321 extern int lpfc_enable_npiv;
322 
323 int  lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t);
324 int  lpfc_vport_symbolic_port_name(struct lpfc_vport *, char *,	size_t);
325 void lpfc_terminate_rport_io(struct fc_rport *);
326 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
327 
328 struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *);
329 int  lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
330 int lpfc_mbx_unreg_vpi(struct lpfc_vport *);
331 void destroy_port(struct lpfc_vport *);
332 int lpfc_get_instance(void);
333 void lpfc_host_attrib_init(struct Scsi_Host *);
334 
335 extern void lpfc_debugfs_initialize(struct lpfc_vport *);
336 extern void lpfc_debugfs_terminate(struct lpfc_vport *);
337 extern void lpfc_debugfs_disc_trc(struct lpfc_vport *, int, char *, uint32_t,
338 	uint32_t, uint32_t);
339 extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t,
340 	uint32_t, uint32_t);
341 extern struct lpfc_hbq_init *lpfc_hbq_defs[];
342 
343 /* externs BlockGuard */
344 extern char *_dump_buf_data;
345 extern unsigned long _dump_buf_data_order;
346 extern char *_dump_buf_dif;
347 extern unsigned long _dump_buf_dif_order;
348 extern spinlock_t _dump_buf_lock;
349 extern int _dump_buf_done;
350 extern spinlock_t pgcnt_lock;
351 extern unsigned int pgcnt;
352 extern unsigned int lpfc_prot_mask;
353 extern unsigned char lpfc_prot_guard;
354 
355 /* Interface exported by fabric iocb scheduler */
356 void lpfc_fabric_abort_nport(struct lpfc_nodelist *);
357 void lpfc_fabric_abort_hba(struct lpfc_hba *);
358 void lpfc_fabric_block_timeout(unsigned long);
359 void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
360 void lpfc_rampdown_queue_depth(struct lpfc_hba *);
361 void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
362 void lpfc_ramp_up_queue_handler(struct lpfc_hba *);
363 void lpfc_scsi_dev_block(struct lpfc_hba *);
364 
365 void
366 lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *,
367 				struct lpfc_iocbq *);
368 struct lpfc_fast_path_event *lpfc_alloc_fast_evt(struct lpfc_hba *);
369 void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *);
370 void lpfc_create_static_vport(struct lpfc_hba *);
371 void lpfc_stop_hba_timers(struct lpfc_hba *);
372 void lpfc_stop_port(struct lpfc_hba *);
373 void lpfc_parse_fcoe_conf(struct lpfc_hba *, uint8_t *, uint32_t);
374 int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
375 void lpfc_start_fdiscs(struct lpfc_hba *phba);
376 struct lpfc_vport *lpfc_find_vport_by_vpid(struct lpfc_hba *, uint16_t);
377 
378 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
379 #define HBA_EVENT_RSCN                   5
380 #define HBA_EVENT_LINK_UP                2
381 #define HBA_EVENT_LINK_DOWN              3
382 
383 /* functions to support SGIOv4/bsg interface */
384 int lpfc_bsg_request(struct fc_bsg_job *);
385 int lpfc_bsg_timeout(struct fc_bsg_job *);
386 void lpfc_bsg_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
387 			     struct lpfc_iocbq *);
388