xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_crtn.h (revision 4d9ab994)
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_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
48 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
49 void lpfc_request_features(struct lpfc_hba *, struct lpfcMboxq *);
50 
51 struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
52 void lpfc_cleanup_rpis(struct lpfc_vport *, int);
53 int lpfc_linkdown(struct lpfc_hba *);
54 void lpfc_linkdown_port(struct lpfc_vport *);
55 void lpfc_port_link_failure(struct lpfc_vport *);
56 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
57 
58 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
59 void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
60 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
61 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
62 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
63 void lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *, LPFC_MBOXQ_t *);
64 void lpfc_enqueue_node(struct lpfc_vport *, struct lpfc_nodelist *);
65 void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *);
66 struct lpfc_nodelist *lpfc_enable_node(struct lpfc_vport *,
67 					struct lpfc_nodelist *, int);
68 void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int);
69 void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
70 void lpfc_set_disctmo(struct lpfc_vport *);
71 int  lpfc_can_disctmo(struct lpfc_vport *);
72 int  lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *);
73 void lpfc_unreg_all_rpis(struct lpfc_vport *);
74 void lpfc_unreg_default_rpis(struct lpfc_vport *);
75 void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
76 
77 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
78 			struct lpfc_iocbq *, struct lpfc_nodelist *);
79 void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t);
80 struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
81 int  lpfc_nlp_put(struct lpfc_nodelist *);
82 int  lpfc_nlp_not_used(struct lpfc_nodelist *ndlp);
83 struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t);
84 void lpfc_disc_list_loopmap(struct lpfc_vport *);
85 void lpfc_disc_start(struct lpfc_vport *);
86 void lpfc_cleanup_discovery_resources(struct lpfc_vport *);
87 void lpfc_cleanup(struct lpfc_vport *);
88 void lpfc_disc_timeout(unsigned long);
89 
90 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
91 
92 void lpfc_worker_wake_up(struct lpfc_hba *);
93 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
94 int lpfc_do_work(void *);
95 int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *,
96 			    uint32_t);
97 
98 void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
99 int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
100 		     struct serv_parm *, uint32_t);
101 int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
102 void lpfc_more_plogi(struct lpfc_vport *);
103 void lpfc_more_adisc(struct lpfc_vport *);
104 void lpfc_end_rscn(struct lpfc_vport *);
105 int lpfc_els_chk_latt(struct lpfc_vport *);
106 int lpfc_els_abort_flogi(struct lpfc_hba *);
107 int lpfc_initial_flogi(struct lpfc_vport *);
108 int lpfc_initial_fdisc(struct lpfc_vport *);
109 int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t);
110 int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
111 int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
112 int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
113 int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
114 int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t);
115 int lpfc_issue_fabric_reglogin(struct lpfc_vport *);
116 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
117 int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
118 int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
119 		     struct lpfc_nodelist *, LPFC_MBOXQ_t *);
120 int lpfc_els_rsp_reject(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
121 			struct lpfc_nodelist *, LPFC_MBOXQ_t *);
122 int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *,
123 			   struct lpfc_nodelist *);
124 int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *,
125 			  struct lpfc_nodelist *);
126 void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *);
127 void lpfc_els_retry_delay(unsigned long);
128 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
129 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
130 			  struct lpfc_iocbq *);
131 int lpfc_els_handle_rscn(struct lpfc_vport *);
132 void lpfc_els_flush_rscn(struct lpfc_vport *);
133 int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t);
134 void lpfc_els_flush_all_cmd(struct lpfc_hba *);
135 void lpfc_els_flush_cmd(struct lpfc_vport *);
136 int lpfc_els_disc_adisc(struct lpfc_vport *);
137 int lpfc_els_disc_plogi(struct lpfc_vport *);
138 void lpfc_els_timeout(unsigned long);
139 void lpfc_els_timeout_handler(struct lpfc_vport *);
140 struct lpfc_iocbq *lpfc_prep_els_iocb(struct lpfc_vport *, uint8_t, uint16_t,
141 				      uint8_t, struct lpfc_nodelist *,
142 				      uint32_t, uint32_t);
143 void lpfc_hb_timeout_handler(struct lpfc_hba *);
144 
145 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
146 			 struct lpfc_iocbq *);
147 int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
148 int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int);
149 void lpfc_fdmi_tmo(unsigned long);
150 void lpfc_fdmi_timeout_handler(struct lpfc_vport *);
151 
152 int lpfc_config_port_prep(struct lpfc_hba *);
153 int lpfc_config_port_post(struct lpfc_hba *);
154 int lpfc_hba_down_prep(struct lpfc_hba *);
155 int lpfc_hba_down_post(struct lpfc_hba *);
156 void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
157 int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int);
158 void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
159 int lpfc_online(struct lpfc_hba *);
160 void lpfc_unblock_mgmt_io(struct lpfc_hba *);
161 void lpfc_offline_prep(struct lpfc_hba *);
162 void lpfc_offline(struct lpfc_hba *);
163 void lpfc_reset_hba(struct lpfc_hba *);
164 
165 int lpfc_sli_setup(struct lpfc_hba *);
166 int lpfc_sli_queue_setup(struct lpfc_hba *);
167 
168 void lpfc_handle_eratt(struct lpfc_hba *);
169 void lpfc_handle_latt(struct lpfc_hba *);
170 irqreturn_t lpfc_sli_intr_handler(int, void *);
171 irqreturn_t lpfc_sli_sp_intr_handler(int, void *);
172 irqreturn_t lpfc_sli_fp_intr_handler(int, void *);
173 irqreturn_t lpfc_sli4_intr_handler(int, void *);
174 irqreturn_t lpfc_sli4_sp_intr_handler(int, void *);
175 irqreturn_t lpfc_sli4_fp_intr_handler(int, void *);
176 
177 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
178 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
179 void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
180 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
181 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
182 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
183 void __lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
184 void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
185 int lpfc_mbox_cmd_check(struct lpfc_hba *, LPFC_MBOXQ_t *);
186 int lpfc_mbox_dev_check(struct lpfc_hba *);
187 int lpfc_mbox_tmo_val(struct lpfc_hba *, int);
188 void lpfc_init_vfi(struct lpfcMboxq *, struct lpfc_vport *);
189 void lpfc_reg_vfi(struct lpfcMboxq *, struct lpfc_vport *, dma_addr_t);
190 void lpfc_init_vpi(struct lpfc_hba *, struct lpfcMboxq *, uint16_t);
191 void lpfc_unreg_vfi(struct lpfcMboxq *, uint16_t);
192 void lpfc_reg_fcfi(struct lpfc_hba *, struct lpfcMboxq *);
193 void lpfc_unreg_fcfi(struct lpfcMboxq *, uint16_t);
194 void lpfc_resume_rpi(struct lpfcMboxq *, struct lpfc_nodelist *);
195 int lpfc_check_pending_fcoe_event(struct lpfc_hba *, uint8_t);
196 
197 void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *,
198 	uint32_t , LPFC_MBOXQ_t *);
199 struct hbq_dmabuf *lpfc_els_hbq_alloc(struct lpfc_hba *);
200 void lpfc_els_hbq_free(struct lpfc_hba *, struct hbq_dmabuf *);
201 struct hbq_dmabuf *lpfc_sli4_rb_alloc(struct lpfc_hba *);
202 void lpfc_sli4_rb_free(struct lpfc_hba *, struct hbq_dmabuf *);
203 void lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *, struct fcf_record *,
204 			uint16_t);
205 void lpfc_unregister_unused_fcf(struct lpfc_hba *);
206 
207 int lpfc_mem_alloc(struct lpfc_hba *, int align);
208 void lpfc_mem_free(struct lpfc_hba *);
209 void lpfc_mem_free_all(struct lpfc_hba *);
210 void lpfc_stop_vport_timers(struct lpfc_vport *);
211 
212 void lpfc_poll_timeout(unsigned long ptr);
213 void lpfc_poll_start_timer(struct lpfc_hba *);
214 void lpfc_poll_eratt(unsigned long);
215 void lpfc_sli_poll_fcp_ring(struct lpfc_hba *);
216 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
217 void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *);
218 uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *);
219 void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t,
220 			   uint32_t);
221 void lpfc_sli_wake_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *);
222 
223 void lpfc_reset_barrier(struct lpfc_hba * phba);
224 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
225 int lpfc_sli_brdkill(struct lpfc_hba *);
226 int lpfc_sli_brdreset(struct lpfc_hba *);
227 int lpfc_sli_brdrestart(struct lpfc_hba *);
228 int lpfc_sli_hba_setup(struct lpfc_hba *);
229 int lpfc_sli_config_port(struct lpfc_hba *, int);
230 int lpfc_sli_host_down(struct lpfc_vport *);
231 int lpfc_sli_hba_down(struct lpfc_hba *);
232 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
233 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
234 void lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *);
235 int lpfc_sli_check_eratt(struct lpfc_hba *);
236 void lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
237 				    struct lpfc_sli_ring *, uint32_t);
238 void lpfc_sli4_handle_received_buffer(struct lpfc_hba *, struct hbq_dmabuf *);
239 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
240 int lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
241 			struct lpfc_iocbq *, uint32_t);
242 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
243 void lpfc_sli_bemem_bcopy(void *, void *, uint32_t);
244 void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
245 void lpfc_sli_flush_fcp_rings(struct lpfc_hba *);
246 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
247 			     struct lpfc_dmabuf *);
248 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
249 					     struct lpfc_sli_ring *,
250 					     dma_addr_t);
251 
252 uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba *);
253 struct lpfc_dmabuf * lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *,
254 			struct lpfc_sli_ring *, uint32_t );
255 
256 int lpfc_sli_hbq_count(void);
257 int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t);
258 void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *);
259 int lpfc_sli_hbq_size(void);
260 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
261 			       struct lpfc_iocbq *);
262 int lpfc_sli_sum_iocb(struct lpfc_vport *, uint16_t, uint64_t, lpfc_ctx_cmd);
263 int lpfc_sli_abort_iocb(struct lpfc_vport *, struct lpfc_sli_ring *, uint16_t,
264 			uint64_t, lpfc_ctx_cmd);
265 
266 void lpfc_mbox_timeout(unsigned long);
267 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
268 
269 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
270 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
271 					 struct lpfc_name *);
272 
273 int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
274 
275 int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, uint32_t,
276 			     struct lpfc_iocbq *, struct lpfc_iocbq *,
277 			     uint32_t);
278 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *,
279 			     struct lpfc_iocbq *);
280 
281 void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
282 
283 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
284 void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
285 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
286 
287 void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);
288 /* Function prototypes. */
289 const char* lpfc_info(struct Scsi_Host *);
290 int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
291 
292 int lpfc_init_api_table_setup(struct lpfc_hba *, uint8_t);
293 int lpfc_sli_api_table_setup(struct lpfc_hba *, uint8_t);
294 int lpfc_scsi_api_table_setup(struct lpfc_hba *, uint8_t);
295 int lpfc_mbox_api_table_setup(struct lpfc_hba *, uint8_t);
296 int lpfc_api_table_setup(struct lpfc_hba *, uint8_t);
297 
298 void lpfc_get_cfgparam(struct lpfc_hba *);
299 void lpfc_get_vport_cfgparam(struct lpfc_vport *);
300 int lpfc_alloc_sysfs_attr(struct lpfc_vport *);
301 void lpfc_free_sysfs_attr(struct lpfc_vport *);
302 extern struct device_attribute *lpfc_hba_attrs[];
303 extern struct device_attribute *lpfc_vport_attrs[];
304 extern struct scsi_host_template lpfc_template;
305 extern struct scsi_host_template lpfc_vport_template;
306 extern struct fc_function_template lpfc_transport_functions;
307 extern struct fc_function_template lpfc_vport_transport_functions;
308 extern int lpfc_sli_mode;
309 extern int lpfc_enable_npiv;
310 
311 int  lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t);
312 int  lpfc_vport_symbolic_port_name(struct lpfc_vport *, char *,	size_t);
313 void lpfc_terminate_rport_io(struct fc_rport *);
314 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
315 
316 struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *);
317 int  lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
318 int lpfc_mbx_unreg_vpi(struct lpfc_vport *);
319 void destroy_port(struct lpfc_vport *);
320 int lpfc_get_instance(void);
321 void lpfc_host_attrib_init(struct Scsi_Host *);
322 
323 extern void lpfc_debugfs_initialize(struct lpfc_vport *);
324 extern void lpfc_debugfs_terminate(struct lpfc_vport *);
325 extern void lpfc_debugfs_disc_trc(struct lpfc_vport *, int, char *, uint32_t,
326 	uint32_t, uint32_t);
327 extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t,
328 	uint32_t, uint32_t);
329 extern struct lpfc_hbq_init *lpfc_hbq_defs[];
330 
331 /* externs BlockGuard */
332 extern char *_dump_buf_data;
333 extern unsigned long _dump_buf_data_order;
334 extern char *_dump_buf_dif;
335 extern unsigned long _dump_buf_dif_order;
336 extern spinlock_t _dump_buf_lock;
337 extern int _dump_buf_done;
338 extern spinlock_t pgcnt_lock;
339 extern unsigned int pgcnt;
340 extern unsigned int lpfc_prot_mask;
341 extern unsigned char lpfc_prot_guard;
342 
343 /* Interface exported by fabric iocb scheduler */
344 void lpfc_fabric_abort_nport(struct lpfc_nodelist *);
345 void lpfc_fabric_abort_hba(struct lpfc_hba *);
346 void lpfc_fabric_block_timeout(unsigned long);
347 void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
348 void lpfc_rampdown_queue_depth(struct lpfc_hba *);
349 void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
350 void lpfc_ramp_up_queue_handler(struct lpfc_hba *);
351 void lpfc_scsi_dev_block(struct lpfc_hba *);
352 
353 void
354 lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *,
355 				struct lpfc_iocbq *);
356 struct lpfc_fast_path_event *lpfc_alloc_fast_evt(struct lpfc_hba *);
357 void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *);
358 void lpfc_create_static_vport(struct lpfc_hba *);
359 void lpfc_stop_hba_timers(struct lpfc_hba *);
360 void lpfc_stop_port(struct lpfc_hba *);
361 void lpfc_parse_fcoe_conf(struct lpfc_hba *, uint8_t *, uint32_t);
362 int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
363 void lpfc_start_fdiscs(struct lpfc_hba *phba);
364 
365 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
366 #define HBA_EVENT_RSCN                   5
367 #define HBA_EVENT_LINK_UP                2
368 #define HBA_EVENT_LINK_DOWN              3
369 
370 /* functions to support SGIOv4/bsg interface */
371 int lpfc_bsg_request(struct fc_bsg_job *);
372 int lpfc_bsg_timeout(struct fc_bsg_job *);
373 void lpfc_bsg_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
374 			     struct lpfc_iocbq *);
375