xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_crtn.h (revision ca481398)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017 Broadcom. All Rights Reserved. The term      *
5  * “Broadcom” refers to Broadcom Limited and/or its subsidiaries.  *
6  * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
7  * EMULEX and SLI are trademarks of Emulex.                        *
8  * www.broadcom.com                                                *
9  *                                                                 *
10  * This program is free software; you can redistribute it and/or   *
11  * modify it under the terms of version 2 of the GNU General       *
12  * Public License as published by the Free Software Foundation.    *
13  * This program is distributed in the hope that it will be useful. *
14  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
15  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
16  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
17  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
18  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
19  * more details, a copy of which can be found in the file COPYING  *
20  * included with this package.                                     *
21  *******************************************************************/
22 
23 typedef int (*node_filter)(struct lpfc_nodelist *, void *);
24 
25 struct fc_rport;
26 struct fc_frame_header;
27 struct lpfc_nvmet_rcv_ctx;
28 void lpfc_down_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
29 void lpfc_sli_read_link_ste(struct lpfc_hba *);
30 void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t, uint16_t);
31 void lpfc_dump_wakeup_param(struct lpfc_hba *, LPFC_MBOXQ_t *);
32 int lpfc_dump_static_vport(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
33 int lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *, struct lpfcMboxq *);
34 void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
35 void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
36 
37 void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *);
38 int lpfc_read_topology(struct lpfc_hba *, LPFC_MBOXQ_t *, struct lpfc_dmabuf *);
39 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
40 void lpfc_issue_clear_la(struct lpfc_hba *, struct lpfc_vport *);
41 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
42 int lpfc_config_msi(struct lpfc_hba *, LPFC_MBOXQ_t *);
43 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int);
44 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
45 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
46 int lpfc_reg_rpi(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *,
47 		 LPFC_MBOXQ_t *, uint16_t);
48 void lpfc_set_var(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
49 void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
50 void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
51 void lpfc_sli4_unreg_all_rpis(struct lpfc_vport *);
52 
53 void lpfc_reg_vpi(struct lpfc_vport *, LPFC_MBOXQ_t *);
54 void lpfc_register_new_vport(struct lpfc_hba *, struct lpfc_vport *,
55 			struct lpfc_nodelist *);
56 void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
57 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
58 void lpfc_request_features(struct lpfc_hba *, struct lpfcMboxq *);
59 void lpfc_supported_pages(struct lpfcMboxq *);
60 void lpfc_pc_sli4_params(struct lpfcMboxq *);
61 int lpfc_pc_sli4_params_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
62 int lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *, struct lpfcMboxq *,
63 			   uint16_t, uint16_t, bool);
64 int lpfc_get_sli4_parameters(struct lpfc_hba *, LPFC_MBOXQ_t *);
65 struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
66 void lpfc_cleanup_rcv_buffers(struct lpfc_vport *);
67 void lpfc_rcv_seq_check_edtov(struct lpfc_vport *);
68 void lpfc_cleanup_rpis(struct lpfc_vport *, int);
69 void lpfc_cleanup_pending_mbox(struct lpfc_vport *);
70 int lpfc_linkdown(struct lpfc_hba *);
71 void lpfc_linkdown_port(struct lpfc_vport *);
72 void lpfc_port_link_failure(struct lpfc_vport *);
73 void lpfc_mbx_cmpl_read_topology(struct lpfc_hba *, LPFC_MBOXQ_t *);
74 void lpfc_init_vpi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
75 void lpfc_cancel_all_vport_retry_delay_timer(struct lpfc_hba *);
76 void lpfc_retry_pport_discovery(struct lpfc_hba *);
77 void lpfc_release_rpi(struct lpfc_hba *, struct lpfc_vport *, uint16_t);
78 int lpfc_init_iocb_list(struct lpfc_hba *phba, int cnt);
79 void lpfc_free_iocb_list(struct lpfc_hba *phba);
80 int lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq,
81 			struct lpfc_queue *drq, int count, int idx);
82 
83 void lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
84 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
85 void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
86 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
87 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
88 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
89 void lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *, LPFC_MBOXQ_t *);
90 void lpfc_unregister_vfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
91 void lpfc_enqueue_node(struct lpfc_vport *, struct lpfc_nodelist *);
92 void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *);
93 struct lpfc_nodelist *lpfc_enable_node(struct lpfc_vport *,
94 					struct lpfc_nodelist *, int);
95 void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int);
96 void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
97 void lpfc_set_disctmo(struct lpfc_vport *);
98 int  lpfc_can_disctmo(struct lpfc_vport *);
99 int  lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *);
100 void lpfc_unreg_all_rpis(struct lpfc_vport *);
101 void lpfc_unreg_hba_rpis(struct lpfc_hba *);
102 void lpfc_unreg_default_rpis(struct lpfc_vport *);
103 void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
104 
105 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
106 			struct lpfc_iocbq *, struct lpfc_nodelist *);
107 struct lpfc_nodelist *lpfc_nlp_init(struct lpfc_vport *vport, uint32_t did);
108 struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
109 int  lpfc_nlp_put(struct lpfc_nodelist *);
110 int  lpfc_nlp_not_used(struct lpfc_nodelist *ndlp);
111 struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t);
112 void lpfc_disc_list_loopmap(struct lpfc_vport *);
113 void lpfc_disc_start(struct lpfc_vport *);
114 void lpfc_cleanup_discovery_resources(struct lpfc_vport *);
115 void lpfc_cleanup(struct lpfc_vport *);
116 void lpfc_disc_timeout(unsigned long);
117 
118 int lpfc_unregister_fcf_prep(struct lpfc_hba *);
119 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
120 struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
121 void lpfc_worker_wake_up(struct lpfc_hba *);
122 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
123 int lpfc_do_work(void *);
124 int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *,
125 			    uint32_t);
126 
127 void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
128 int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
129 		     struct serv_parm *, uint32_t, int);
130 void lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
131 void lpfc_more_plogi(struct lpfc_vport *);
132 void lpfc_more_adisc(struct lpfc_vport *);
133 void lpfc_end_rscn(struct lpfc_vport *);
134 int lpfc_els_chk_latt(struct lpfc_vport *);
135 int lpfc_els_abort_flogi(struct lpfc_hba *);
136 int lpfc_initial_flogi(struct lpfc_vport *);
137 void lpfc_issue_init_vfi(struct lpfc_vport *);
138 int lpfc_initial_fdisc(struct lpfc_vport *);
139 int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t);
140 int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
141 int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
142 int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
143 int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
144 int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t);
145 int lpfc_issue_fabric_reglogin(struct lpfc_vport *);
146 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
147 int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
148 int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
149 		     struct lpfc_nodelist *, LPFC_MBOXQ_t *);
150 int lpfc_els_rsp_reject(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
151 			struct lpfc_nodelist *, LPFC_MBOXQ_t *);
152 int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *,
153 			   struct lpfc_nodelist *);
154 int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *,
155 			  struct lpfc_nodelist *);
156 void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *);
157 void lpfc_els_retry_delay(unsigned long);
158 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
159 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
160 			  struct lpfc_iocbq *);
161 int lpfc_els_handle_rscn(struct lpfc_vport *);
162 void lpfc_els_flush_rscn(struct lpfc_vport *);
163 int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t);
164 void lpfc_els_flush_all_cmd(struct lpfc_hba *);
165 void lpfc_els_flush_cmd(struct lpfc_vport *);
166 int lpfc_els_disc_adisc(struct lpfc_vport *);
167 int lpfc_els_disc_plogi(struct lpfc_vport *);
168 void lpfc_els_timeout(unsigned long);
169 void lpfc_els_timeout_handler(struct lpfc_vport *);
170 struct lpfc_iocbq *lpfc_prep_els_iocb(struct lpfc_vport *, uint8_t, uint16_t,
171 				      uint8_t, struct lpfc_nodelist *,
172 				      uint32_t, uint32_t);
173 void lpfc_hb_timeout_handler(struct lpfc_hba *);
174 
175 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
176 			 struct lpfc_iocbq *);
177 int lpfc_ct_handle_unsol_abort(struct lpfc_hba *, struct hbq_dmabuf *);
178 int lpfc_issue_gidft(struct lpfc_vport *vport);
179 int lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *iocbq);
180 int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
181 int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int, uint32_t);
182 void lpfc_fdmi_num_disc_check(struct lpfc_vport *);
183 void lpfc_delayed_disc_tmo(unsigned long);
184 void lpfc_delayed_disc_timeout_handler(struct lpfc_vport *);
185 
186 int lpfc_config_port_prep(struct lpfc_hba *);
187 void lpfc_update_vport_wwn(struct lpfc_vport *vport);
188 int lpfc_config_port_post(struct lpfc_hba *);
189 int lpfc_hba_down_prep(struct lpfc_hba *);
190 int lpfc_hba_down_post(struct lpfc_hba *);
191 void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
192 int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int);
193 void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
194 int lpfc_online(struct lpfc_hba *);
195 void lpfc_unblock_mgmt_io(struct lpfc_hba *);
196 void lpfc_offline_prep(struct lpfc_hba *, int);
197 void lpfc_offline(struct lpfc_hba *);
198 void lpfc_reset_hba(struct lpfc_hba *);
199 int lpfc_emptyq_wait(struct lpfc_hba *phba, struct list_head *hd,
200 			spinlock_t *slock);
201 
202 int lpfc_fof_queue_create(struct lpfc_hba *);
203 int lpfc_fof_queue_setup(struct lpfc_hba *);
204 int lpfc_fof_queue_destroy(struct lpfc_hba *);
205 irqreturn_t lpfc_sli4_fof_intr_handler(int, void *);
206 
207 int lpfc_sli_setup(struct lpfc_hba *);
208 int lpfc_sli4_setup(struct lpfc_hba *phba);
209 void lpfc_sli_queue_init(struct lpfc_hba *phba);
210 void lpfc_sli4_queue_init(struct lpfc_hba *phba);
211 struct lpfc_sli_ring *lpfc_sli4_calc_ring(struct lpfc_hba *phba,
212 					  struct lpfc_iocbq *iocbq);
213 
214 void lpfc_handle_eratt(struct lpfc_hba *);
215 void lpfc_handle_latt(struct lpfc_hba *);
216 irqreturn_t lpfc_sli_intr_handler(int, void *);
217 irqreturn_t lpfc_sli_sp_intr_handler(int, void *);
218 irqreturn_t lpfc_sli_fp_intr_handler(int, void *);
219 irqreturn_t lpfc_sli4_intr_handler(int, void *);
220 irqreturn_t lpfc_sli4_hba_intr_handler(int, void *);
221 
222 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
223 void lpfc_sli4_swap_str(struct lpfc_hba *, LPFC_MBOXQ_t *);
224 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
225 void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
226 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
227 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
228 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
229 void __lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
230 void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
231 int lpfc_mbox_cmd_check(struct lpfc_hba *, LPFC_MBOXQ_t *);
232 int lpfc_mbox_dev_check(struct lpfc_hba *);
233 int lpfc_mbox_tmo_val(struct lpfc_hba *, LPFC_MBOXQ_t *);
234 void lpfc_init_vfi(struct lpfcMboxq *, struct lpfc_vport *);
235 void lpfc_reg_vfi(struct lpfcMboxq *, struct lpfc_vport *, dma_addr_t);
236 void lpfc_init_vpi(struct lpfc_hba *, struct lpfcMboxq *, uint16_t);
237 void lpfc_unreg_vfi(struct lpfcMboxq *, struct lpfc_vport *);
238 void lpfc_reg_fcfi(struct lpfc_hba *, struct lpfcMboxq *);
239 void lpfc_reg_fcfi_mrq(struct lpfc_hba *phba, struct lpfcMboxq *mbox, int mode);
240 void lpfc_unreg_fcfi(struct lpfcMboxq *, uint16_t);
241 void lpfc_resume_rpi(struct lpfcMboxq *, struct lpfc_nodelist *);
242 int lpfc_check_pending_fcoe_event(struct lpfc_hba *, uint8_t);
243 void lpfc_issue_init_vpi(struct lpfc_vport *);
244 
245 void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *,
246 	uint32_t , LPFC_MBOXQ_t *);
247 struct hbq_dmabuf *lpfc_els_hbq_alloc(struct lpfc_hba *);
248 void lpfc_els_hbq_free(struct lpfc_hba *, struct hbq_dmabuf *);
249 struct hbq_dmabuf *lpfc_sli4_rb_alloc(struct lpfc_hba *);
250 void lpfc_sli4_rb_free(struct lpfc_hba *, struct hbq_dmabuf *);
251 struct rqb_dmabuf *lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba);
252 void lpfc_sli4_nvmet_free(struct lpfc_hba *phba, struct rqb_dmabuf *dmab);
253 void lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba,
254 			    struct lpfc_nvmet_ctxbuf *ctxp);
255 int lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport,
256 			       struct fc_frame_header *fc_hdr);
257 void lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *, struct fcf_record *,
258 			uint16_t);
259 int lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq,
260 		     struct lpfc_rqe *hrqe, struct lpfc_rqe *drqe);
261 int lpfc_free_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hq);
262 void lpfc_unregister_fcf(struct lpfc_hba *);
263 void lpfc_unregister_fcf_rescan(struct lpfc_hba *);
264 void lpfc_unregister_unused_fcf(struct lpfc_hba *);
265 int lpfc_sli4_redisc_fcf_table(struct lpfc_hba *);
266 void lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *);
267 void lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *);
268 uint16_t lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *);
269 void lpfc_sli4_set_fcf_flogi_fail(struct lpfc_hba *, uint16_t);
270 int lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *, uint16_t);
271 void lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *, uint16_t);
272 int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *, uint16_t);
273 void lpfc_sli4_clear_fcf_rr_bmask(struct lpfc_hba *);
274 
275 int lpfc_mem_alloc(struct lpfc_hba *, int align);
276 int lpfc_nvmet_mem_alloc(struct lpfc_hba *phba);
277 int lpfc_mem_alloc_active_rrq_pool_s4(struct lpfc_hba *);
278 void lpfc_mem_free(struct lpfc_hba *);
279 void lpfc_mem_free_all(struct lpfc_hba *);
280 void lpfc_stop_vport_timers(struct lpfc_vport *);
281 
282 void lpfc_poll_timeout(unsigned long ptr);
283 void lpfc_poll_start_timer(struct lpfc_hba *);
284 void lpfc_poll_eratt(unsigned long);
285 int
286 lpfc_sli_handle_fast_ring_event(struct lpfc_hba *,
287 			struct lpfc_sli_ring *, uint32_t);
288 
289 struct lpfc_iocbq *__lpfc_sli_get_iocbq(struct lpfc_hba *);
290 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
291 void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *);
292 uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *);
293 void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t,
294 			   uint32_t);
295 void lpfc_sli_wake_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *);
296 int lpfc_selective_reset(struct lpfc_hba *);
297 void lpfc_reset_barrier(struct lpfc_hba *);
298 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
299 int lpfc_sli_brdkill(struct lpfc_hba *);
300 int lpfc_sli_chipset_init(struct lpfc_hba *phba);
301 int lpfc_sli_brdreset(struct lpfc_hba *);
302 int lpfc_sli_brdrestart(struct lpfc_hba *);
303 int lpfc_sli_hba_setup(struct lpfc_hba *);
304 int lpfc_sli_config_port(struct lpfc_hba *, int);
305 int lpfc_sli_host_down(struct lpfc_vport *);
306 int lpfc_sli_hba_down(struct lpfc_hba *);
307 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
308 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
309 void lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *, int);
310 int lpfc_sli_check_eratt(struct lpfc_hba *);
311 void lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
312 				    struct lpfc_sli_ring *, uint32_t);
313 void lpfc_sli4_handle_received_buffer(struct lpfc_hba *, struct hbq_dmabuf *);
314 void lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport,
315 			     struct fc_frame_header *fc_hdr, bool aborted);
316 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
317 void lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba *, LPFC_MBOXQ_t *);
318 int lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
319 			struct lpfc_iocbq *, uint32_t);
320 int lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t rnum,
321 			struct lpfc_iocbq *iocbq);
322 struct lpfc_sglq *__lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xri);
323 struct lpfc_sglq *__lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba,
324 					    struct lpfc_iocbq *piocbq);
325 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
326 void lpfc_sli_bemem_bcopy(void *, void *, uint32_t);
327 void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
328 void lpfc_sli_abort_fcp_rings(struct lpfc_hba *phba);
329 void lpfc_sli_hba_iocb_abort(struct lpfc_hba *);
330 void lpfc_sli_flush_fcp_rings(struct lpfc_hba *);
331 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
332 			     struct lpfc_dmabuf *);
333 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
334 					     struct lpfc_sli_ring *,
335 					     dma_addr_t);
336 
337 uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba *);
338 struct lpfc_dmabuf * lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *,
339 			struct lpfc_sli_ring *, uint32_t );
340 
341 int lpfc_sli_hbq_count(void);
342 int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t);
343 void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *);
344 int lpfc_sli_hbq_size(void);
345 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
346 			       struct lpfc_iocbq *);
347 int lpfc_sli_sum_iocb(struct lpfc_vport *, uint16_t, uint64_t, lpfc_ctx_cmd);
348 int lpfc_sli_abort_iocb(struct lpfc_vport *, struct lpfc_sli_ring *, uint16_t,
349 			uint64_t, lpfc_ctx_cmd);
350 int
351 lpfc_sli_abort_taskmgmt(struct lpfc_vport *, struct lpfc_sli_ring *,
352 			uint16_t, uint64_t, lpfc_ctx_cmd);
353 
354 void lpfc_mbox_timeout(unsigned long);
355 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
356 
357 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
358 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
359 					 struct lpfc_name *);
360 
361 int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
362 
363 int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, uint32_t,
364 			     struct lpfc_iocbq *, struct lpfc_iocbq *,
365 			     uint32_t);
366 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *,
367 			     struct lpfc_iocbq *);
368 
369 void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
370 
371 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
372 void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
373 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
374 void *lpfc_nvmet_buf_alloc(struct lpfc_hba *phba, int flags,
375 			dma_addr_t *handle);
376 void lpfc_nvmet_buf_free(struct lpfc_hba *phba, void *virtp, dma_addr_t dma);
377 
378 void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);
379 void lpfc_rq_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp);
380 
381 /* Function prototypes. */
382 const char* lpfc_info(struct Scsi_Host *);
383 int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
384 
385 int lpfc_init_api_table_setup(struct lpfc_hba *, uint8_t);
386 int lpfc_sli_api_table_setup(struct lpfc_hba *, uint8_t);
387 int lpfc_scsi_api_table_setup(struct lpfc_hba *, uint8_t);
388 int lpfc_mbox_api_table_setup(struct lpfc_hba *, uint8_t);
389 int lpfc_api_table_setup(struct lpfc_hba *, uint8_t);
390 
391 void lpfc_get_cfgparam(struct lpfc_hba *);
392 void lpfc_get_vport_cfgparam(struct lpfc_vport *);
393 int lpfc_alloc_sysfs_attr(struct lpfc_vport *);
394 void lpfc_free_sysfs_attr(struct lpfc_vport *);
395 extern struct device_attribute *lpfc_hba_attrs[];
396 extern struct device_attribute *lpfc_vport_attrs[];
397 extern struct scsi_host_template lpfc_template;
398 extern struct scsi_host_template lpfc_template_no_hr;
399 extern struct scsi_host_template lpfc_template_nvme;
400 extern struct scsi_host_template lpfc_vport_template;
401 extern struct fc_function_template lpfc_transport_functions;
402 extern struct fc_function_template lpfc_vport_transport_functions;
403 
404 int  lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t);
405 int  lpfc_vport_symbolic_port_name(struct lpfc_vport *, char *,	size_t);
406 void lpfc_terminate_rport_io(struct fc_rport *);
407 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
408 
409 struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *);
410 int  lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
411 int lpfc_mbx_unreg_vpi(struct lpfc_vport *);
412 void destroy_port(struct lpfc_vport *);
413 int lpfc_get_instance(void);
414 void lpfc_host_attrib_init(struct Scsi_Host *);
415 
416 extern void lpfc_debugfs_initialize(struct lpfc_vport *);
417 extern void lpfc_debugfs_terminate(struct lpfc_vport *);
418 extern void lpfc_debugfs_disc_trc(struct lpfc_vport *, int, char *, uint32_t,
419 				  uint32_t, uint32_t);
420 extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t,
421 				       uint32_t, uint32_t);
422 extern void lpfc_debugfs_nvme_trc(struct lpfc_hba *phba, char *fmt,
423 				uint16_t data1, uint16_t data2, uint32_t data3);
424 extern struct lpfc_hbq_init *lpfc_hbq_defs[];
425 
426 /* SLI4 if_type 2 externs. */
427 int lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *);
428 int lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *);
429 int lpfc_sli4_get_allocated_extnts(struct lpfc_hba *, uint16_t,
430 				   uint16_t *, uint16_t *);
431 int lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *, uint16_t,
432 					  uint16_t *, uint16_t *);
433 
434 /* externs BlockGuard */
435 extern char *_dump_buf_data;
436 extern unsigned long _dump_buf_data_order;
437 extern char *_dump_buf_dif;
438 extern unsigned long _dump_buf_dif_order;
439 extern spinlock_t _dump_buf_lock;
440 extern int _dump_buf_done;
441 extern spinlock_t pgcnt_lock;
442 extern unsigned int pgcnt;
443 extern unsigned int lpfc_fcp_look_ahead;
444 
445 /* Interface exported by fabric iocb scheduler */
446 void lpfc_fabric_abort_nport(struct lpfc_nodelist *);
447 void lpfc_fabric_abort_hba(struct lpfc_hba *);
448 void lpfc_fabric_block_timeout(unsigned long);
449 void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
450 void lpfc_rampdown_queue_depth(struct lpfc_hba *);
451 void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
452 void lpfc_scsi_dev_block(struct lpfc_hba *);
453 
454 void
455 lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *,
456 				struct lpfc_iocbq *);
457 struct lpfc_fast_path_event *lpfc_alloc_fast_evt(struct lpfc_hba *);
458 void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *);
459 void lpfc_create_static_vport(struct lpfc_hba *);
460 void lpfc_stop_hba_timers(struct lpfc_hba *);
461 void lpfc_stop_port(struct lpfc_hba *);
462 void __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *);
463 void lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *);
464 void lpfc_parse_fcoe_conf(struct lpfc_hba *, uint8_t *, uint32_t);
465 int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
466 void lpfc_start_fdiscs(struct lpfc_hba *phba);
467 struct lpfc_vport *lpfc_find_vport_by_vpid(struct lpfc_hba *, uint16_t);
468 struct lpfc_sglq *__lpfc_get_active_sglq(struct lpfc_hba *, uint16_t);
469 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
470 #define HBA_EVENT_RSCN                   5
471 #define HBA_EVENT_LINK_UP                2
472 #define HBA_EVENT_LINK_DOWN              3
473 
474 /* functions to support SGIOv4/bsg interface */
475 int lpfc_bsg_request(struct bsg_job *);
476 int lpfc_bsg_timeout(struct bsg_job *);
477 int lpfc_bsg_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
478 			     struct lpfc_iocbq *);
479 int lpfc_bsg_ct_unsol_abort(struct lpfc_hba *, struct hbq_dmabuf *);
480 void __lpfc_sli_ringtx_put(struct lpfc_hba *, struct lpfc_sli_ring *,
481 	struct lpfc_iocbq *);
482 struct lpfc_iocbq *lpfc_sli_ringtx_get(struct lpfc_hba *,
483 	struct lpfc_sli_ring *);
484 int __lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
485 	struct lpfc_iocbq *, uint32_t);
486 uint32_t lpfc_drain_txq(struct lpfc_hba *);
487 void lpfc_clr_rrq_active(struct lpfc_hba *, uint16_t, struct lpfc_node_rrq *);
488 int lpfc_test_rrq_active(struct lpfc_hba *, struct lpfc_nodelist *, uint16_t);
489 void lpfc_handle_rrq_active(struct lpfc_hba *);
490 int lpfc_send_rrq(struct lpfc_hba *, struct lpfc_node_rrq *);
491 int lpfc_set_rrq_active(struct lpfc_hba *, struct lpfc_nodelist *,
492 	uint16_t, uint16_t, uint16_t);
493 uint16_t lpfc_sli4_xri_inrange(struct lpfc_hba *, uint16_t);
494 void lpfc_cleanup_vports_rrqs(struct lpfc_vport *, struct lpfc_nodelist *);
495 struct lpfc_node_rrq *lpfc_get_active_rrq(struct lpfc_vport *, uint16_t,
496 	uint32_t);
497 void lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba *, enum nemb_type,
498 	enum mbox_type, enum dma_type, enum sta_type,
499 	struct lpfc_dmabuf *, uint32_t);
500 void lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba *, MAILBOX_t *);
501 int lpfc_wr_object(struct lpfc_hba *, struct list_head *, uint32_t, uint32_t *);
502 /* functions to support SR-IOV */
503 int lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *, int);
504 uint16_t lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *);
505 int lpfc_sli4_queue_create(struct lpfc_hba *);
506 void lpfc_sli4_queue_destroy(struct lpfc_hba *);
507 void lpfc_sli4_abts_err_handler(struct lpfc_hba *, struct lpfc_nodelist *,
508 				struct sli4_wcqe_xri_aborted *);
509 void lpfc_sli_abts_recover_port(struct lpfc_vport *,
510 				struct lpfc_nodelist *);
511 int lpfc_hba_init_link_fc_topology(struct lpfc_hba *, uint32_t, uint32_t);
512 int lpfc_issue_reg_vfi(struct lpfc_vport *);
513 int lpfc_issue_unreg_vfi(struct lpfc_vport *);
514 int lpfc_selective_reset(struct lpfc_hba *);
515 int lpfc_sli4_read_config(struct lpfc_hba *);
516 void lpfc_sli4_node_prep(struct lpfc_hba *);
517 int lpfc_sli4_els_sgl_update(struct lpfc_hba *phba);
518 int lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba);
519 int lpfc_sli4_scsi_sgl_update(struct lpfc_hba *phba);
520 int lpfc_sli4_nvme_sgl_update(struct lpfc_hba *phba);
521 void lpfc_free_sgl_list(struct lpfc_hba *, struct list_head *);
522 uint32_t lpfc_sli_port_speed_get(struct lpfc_hba *);
523 int lpfc_sli4_request_firmware_update(struct lpfc_hba *, uint8_t);
524 void lpfc_sli4_offline_eratt(struct lpfc_hba *);
525 
526 struct lpfc_device_data *lpfc_create_device_data(struct lpfc_hba *,
527 						struct lpfc_name *,
528 						struct lpfc_name *,
529 						uint64_t, uint32_t,  bool);
530 void lpfc_delete_device_data(struct lpfc_hba *, struct lpfc_device_data*);
531 struct lpfc_device_data *__lpfc_get_device_data(struct lpfc_hba *,
532 					struct list_head *list,
533 					struct lpfc_name *,
534 					struct lpfc_name *, uint64_t);
535 bool lpfc_enable_oas_lun(struct lpfc_hba *, struct lpfc_name *,
536 			 struct lpfc_name *, uint64_t, uint8_t);
537 bool lpfc_disable_oas_lun(struct lpfc_hba *, struct lpfc_name *,
538 			  struct lpfc_name *, uint64_t, uint8_t);
539 bool lpfc_find_next_oas_lun(struct lpfc_hba *, struct lpfc_name *,
540 			    struct lpfc_name *, uint64_t *, struct lpfc_name *,
541 			    struct lpfc_name *, uint64_t *,
542 			    uint32_t *, uint32_t *);
543 int lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox);
544 void lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb);
545 
546 /* NVME interfaces. */
547 void lpfc_nvme_unregister_port(struct lpfc_vport *vport,
548 			struct lpfc_nodelist *ndlp);
549 int lpfc_nvme_register_port(struct lpfc_vport *vport,
550 			struct lpfc_nodelist *ndlp);
551 int lpfc_nvme_create_localport(struct lpfc_vport *vport);
552 void lpfc_nvme_destroy_localport(struct lpfc_vport *vport);
553 void lpfc_nvme_update_localport(struct lpfc_vport *vport);
554 int lpfc_nvmet_create_targetport(struct lpfc_hba *phba);
555 int lpfc_nvmet_update_targetport(struct lpfc_hba *phba);
556 void lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba);
557 void lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba,
558 			struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocb);
559 void lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, uint32_t idx,
560 				struct rqb_dmabuf *nvmebuf, uint64_t isr_ts);
561 void lpfc_nvme_mod_param_dep(struct lpfc_hba *phba);
562 void lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba,
563 				struct lpfc_iocbq *cmdiocb,
564 				struct lpfc_wcqe_complete *abts_cmpl);
565 extern int lpfc_enable_nvmet_cnt;
566 extern unsigned long long lpfc_enable_nvmet[];
567 extern int lpfc_no_hba_reset_cnt;
568 extern unsigned long lpfc_no_hba_reset[];
569