xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_crtn.h (revision b62232ba)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term *
5  * “Broadcom” refers to Broadcom Inc. 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 void lpfc_down_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
28 void lpfc_sli_read_link_ste(struct lpfc_hba *);
29 void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t, uint16_t);
30 void lpfc_dump_wakeup_param(struct lpfc_hba *, LPFC_MBOXQ_t *);
31 int lpfc_dump_static_vport(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
32 int lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *, struct lpfcMboxq *);
33 void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
34 void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
35 
36 void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *);
37 int lpfc_read_topology(struct lpfc_hba *, LPFC_MBOXQ_t *, struct lpfc_dmabuf *);
38 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
39 void lpfc_issue_clear_la(struct lpfc_hba *, struct lpfc_vport *);
40 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
41 int lpfc_config_msi(struct lpfc_hba *, LPFC_MBOXQ_t *);
42 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int);
43 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
44 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
45 int lpfc_reg_rpi(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *,
46 		 LPFC_MBOXQ_t *, uint16_t);
47 void lpfc_set_var(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
48 void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
49 void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
50 void lpfc_sli4_unreg_all_rpis(struct lpfc_vport *);
51 
52 void lpfc_reg_vpi(struct lpfc_vport *, LPFC_MBOXQ_t *);
53 void lpfc_register_new_vport(struct lpfc_hba *, struct lpfc_vport *,
54 			struct lpfc_nodelist *);
55 void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
56 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
57 void lpfc_request_features(struct lpfc_hba *, struct lpfcMboxq *);
58 int lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *, struct lpfcMboxq *,
59 			   uint16_t, uint16_t, bool);
60 int lpfc_get_sli4_parameters(struct lpfc_hba *, LPFC_MBOXQ_t *);
61 struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
62 void lpfc_cleanup_rcv_buffers(struct lpfc_vport *);
63 void lpfc_rcv_seq_check_edtov(struct lpfc_vport *);
64 void lpfc_cleanup_rpis(struct lpfc_vport *, int);
65 void lpfc_cleanup_pending_mbox(struct lpfc_vport *);
66 int lpfc_linkdown(struct lpfc_hba *);
67 void lpfc_linkdown_port(struct lpfc_vport *);
68 void lpfc_port_link_failure(struct lpfc_vport *);
69 void lpfc_mbx_cmpl_read_topology(struct lpfc_hba *, LPFC_MBOXQ_t *);
70 void lpfc_init_vpi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
71 void lpfc_cancel_all_vport_retry_delay_timer(struct lpfc_hba *);
72 void lpfc_retry_pport_discovery(struct lpfc_hba *);
73 int lpfc_init_iocb_list(struct lpfc_hba *phba, int cnt);
74 void lpfc_free_iocb_list(struct lpfc_hba *phba);
75 int lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq,
76 			struct lpfc_queue *drq, int count, int idx);
77 
78 void lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
79 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
80 void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
81 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
82 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
83 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
84 void lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *, LPFC_MBOXQ_t *);
85 void lpfc_unregister_vfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
86 void lpfc_enqueue_node(struct lpfc_vport *, struct lpfc_nodelist *);
87 void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *);
88 void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int);
89 void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
90 void lpfc_set_disctmo(struct lpfc_vport *);
91 int  lpfc_can_disctmo(struct lpfc_vport *);
92 int  lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *);
93 void lpfc_unreg_all_rpis(struct lpfc_vport *);
94 void lpfc_unreg_hba_rpis(struct lpfc_hba *);
95 void lpfc_unreg_default_rpis(struct lpfc_vport *);
96 void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
97 
98 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
99 			struct lpfc_iocbq *, struct lpfc_nodelist *);
100 struct lpfc_nodelist *lpfc_nlp_init(struct lpfc_vport *vport, uint32_t did);
101 struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
102 int  lpfc_nlp_put(struct lpfc_nodelist *);
103 void lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
104 			  struct lpfc_iocbq *rspiocb);
105 int  lpfc_nlp_not_used(struct lpfc_nodelist *ndlp);
106 struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t);
107 void lpfc_disc_list_loopmap(struct lpfc_vport *);
108 void lpfc_disc_start(struct lpfc_vport *);
109 void lpfc_cleanup_discovery_resources(struct lpfc_vport *);
110 void lpfc_cleanup(struct lpfc_vport *);
111 void lpfc_disc_timeout(struct timer_list *);
112 
113 int lpfc_unregister_fcf_prep(struct lpfc_hba *);
114 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
115 struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
116 void lpfc_worker_wake_up(struct lpfc_hba *);
117 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
118 int lpfc_do_work(void *);
119 int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *,
120 			    uint32_t);
121 
122 void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
123 int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
124 		     struct serv_parm *, uint32_t, int);
125 void lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
126 void lpfc_more_plogi(struct lpfc_vport *);
127 void lpfc_more_adisc(struct lpfc_vport *);
128 void lpfc_end_rscn(struct lpfc_vport *);
129 int lpfc_els_chk_latt(struct lpfc_vport *);
130 int lpfc_els_abort_flogi(struct lpfc_hba *);
131 int lpfc_initial_flogi(struct lpfc_vport *);
132 void lpfc_issue_init_vfi(struct lpfc_vport *);
133 int lpfc_initial_fdisc(struct lpfc_vport *);
134 int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t);
135 int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
136 int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
137 int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
138 int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
139 int lpfc_issue_els_scr(struct lpfc_vport *vport, uint8_t retry);
140 int lpfc_issue_els_rscn(struct lpfc_vport *vport, uint8_t retry);
141 int lpfc_issue_fabric_reglogin(struct lpfc_vport *);
142 int lpfc_issue_els_rdf(struct lpfc_vport *vport, uint8_t retry);
143 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
144 int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
145 int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
146 		     struct lpfc_nodelist *, LPFC_MBOXQ_t *);
147 int lpfc_els_rsp_reject(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
148 			struct lpfc_nodelist *, LPFC_MBOXQ_t *);
149 int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *,
150 			   struct lpfc_nodelist *);
151 int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *,
152 			  struct lpfc_nodelist *);
153 void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *);
154 void lpfc_els_retry_delay(struct timer_list *);
155 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
156 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
157 			  struct lpfc_iocbq *);
158 int lpfc_els_handle_rscn(struct lpfc_vport *);
159 void lpfc_els_flush_rscn(struct lpfc_vport *);
160 int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t);
161 void lpfc_els_flush_all_cmd(struct lpfc_hba *);
162 void lpfc_els_flush_cmd(struct lpfc_vport *);
163 int lpfc_els_disc_adisc(struct lpfc_vport *);
164 int lpfc_els_disc_plogi(struct lpfc_vport *);
165 void lpfc_els_timeout(struct timer_list *);
166 void lpfc_els_timeout_handler(struct lpfc_vport *);
167 struct lpfc_iocbq *lpfc_prep_els_iocb(struct lpfc_vport *, uint8_t, uint16_t,
168 				      uint8_t, struct lpfc_nodelist *,
169 				      uint32_t, uint32_t);
170 void lpfc_hb_timeout_handler(struct lpfc_hba *);
171 
172 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
173 			 struct lpfc_iocbq *);
174 int lpfc_ct_handle_unsol_abort(struct lpfc_hba *, struct hbq_dmabuf *);
175 int lpfc_issue_gidpt(struct lpfc_vport *vport);
176 int lpfc_issue_gidft(struct lpfc_vport *vport);
177 int lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *iocbq);
178 int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
179 int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int, uint32_t);
180 void lpfc_fdmi_change_check(struct lpfc_vport *vport);
181 void lpfc_delayed_disc_tmo(struct timer_list *);
182 void lpfc_delayed_disc_timeout_handler(struct lpfc_vport *);
183 
184 int lpfc_config_port_prep(struct lpfc_hba *);
185 void lpfc_update_vport_wwn(struct lpfc_vport *vport);
186 int lpfc_config_port_post(struct lpfc_hba *);
187 int lpfc_hba_down_prep(struct lpfc_hba *);
188 int lpfc_hba_down_post(struct lpfc_hba *);
189 void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
190 int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int);
191 void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
192 int lpfc_online(struct lpfc_hba *);
193 void lpfc_unblock_mgmt_io(struct lpfc_hba *);
194 void lpfc_offline_prep(struct lpfc_hba *, int);
195 void lpfc_offline(struct lpfc_hba *);
196 void lpfc_reset_hba(struct lpfc_hba *);
197 int lpfc_emptyq_wait(struct lpfc_hba *phba, struct list_head *hd,
198 			spinlock_t *slock);
199 
200 int lpfc_sli_setup(struct lpfc_hba *);
201 int lpfc_sli4_setup(struct lpfc_hba *phba);
202 void lpfc_sli_queue_init(struct lpfc_hba *phba);
203 void lpfc_sli4_queue_init(struct lpfc_hba *phba);
204 struct lpfc_sli_ring *lpfc_sli4_calc_ring(struct lpfc_hba *phba,
205 					  struct lpfc_iocbq *iocbq);
206 
207 void lpfc_handle_eratt(struct lpfc_hba *);
208 void lpfc_handle_latt(struct lpfc_hba *);
209 irqreturn_t lpfc_sli_intr_handler(int, void *);
210 irqreturn_t lpfc_sli_sp_intr_handler(int, void *);
211 irqreturn_t lpfc_sli_fp_intr_handler(int, void *);
212 irqreturn_t lpfc_sli4_intr_handler(int, void *);
213 irqreturn_t lpfc_sli4_hba_intr_handler(int, void *);
214 
215 void lpfc_sli4_cleanup_poll_list(struct lpfc_hba *phba);
216 int lpfc_sli4_poll_eq(struct lpfc_queue *q, uint8_t path);
217 void lpfc_sli4_poll_hbtimer(struct timer_list *t);
218 void lpfc_sli4_start_polling(struct lpfc_queue *q);
219 void lpfc_sli4_stop_polling(struct lpfc_queue *q);
220 
221 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
222 void lpfc_sli4_swap_str(struct lpfc_hba *, LPFC_MBOXQ_t *);
223 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
224 void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
225 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
226 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
227 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
228 void __lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
229 void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
230 int lpfc_mbox_cmd_check(struct lpfc_hba *, LPFC_MBOXQ_t *);
231 int lpfc_mbox_dev_check(struct lpfc_hba *);
232 int lpfc_mbox_tmo_val(struct lpfc_hba *, LPFC_MBOXQ_t *);
233 void lpfc_init_vfi(struct lpfcMboxq *, struct lpfc_vport *);
234 void lpfc_reg_vfi(struct lpfcMboxq *, struct lpfc_vport *, dma_addr_t);
235 void lpfc_init_vpi(struct lpfc_hba *, struct lpfcMboxq *, uint16_t);
236 void lpfc_unreg_vfi(struct lpfcMboxq *, struct lpfc_vport *);
237 void lpfc_reg_fcfi(struct lpfc_hba *, struct lpfcMboxq *);
238 void lpfc_reg_fcfi_mrq(struct lpfc_hba *phba, struct lpfcMboxq *mbox, int mode);
239 void lpfc_unreg_fcfi(struct lpfcMboxq *, uint16_t);
240 void lpfc_resume_rpi(struct lpfcMboxq *, struct lpfc_nodelist *);
241 int lpfc_check_pending_fcoe_event(struct lpfc_hba *, uint8_t);
242 void lpfc_issue_init_vpi(struct lpfc_vport *);
243 
244 void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *,
245 	uint32_t , LPFC_MBOXQ_t *);
246 struct hbq_dmabuf *lpfc_els_hbq_alloc(struct lpfc_hba *);
247 void lpfc_els_hbq_free(struct lpfc_hba *, struct hbq_dmabuf *);
248 struct hbq_dmabuf *lpfc_sli4_rb_alloc(struct lpfc_hba *);
249 void lpfc_sli4_rb_free(struct lpfc_hba *, struct hbq_dmabuf *);
250 struct rqb_dmabuf *lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba);
251 void lpfc_sli4_nvmet_free(struct lpfc_hba *phba, struct rqb_dmabuf *dmab);
252 void lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba,
253 			    struct lpfc_nvmet_ctxbuf *ctxp);
254 int lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport,
255 			       struct fc_frame_header *fc_hdr);
256 void lpfc_nvmet_wqfull_process(struct lpfc_hba *phba, struct lpfc_queue *wq);
257 void lpfc_nvme_wait_for_io_drain(struct lpfc_hba *phba);
258 void lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *, struct fcf_record *,
259 			uint16_t);
260 int lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq,
261 		     struct lpfc_rqe *hrqe, struct lpfc_rqe *drqe);
262 int lpfc_free_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hq);
263 void lpfc_unregister_fcf(struct lpfc_hba *);
264 void lpfc_unregister_fcf_rescan(struct lpfc_hba *);
265 void lpfc_unregister_unused_fcf(struct lpfc_hba *);
266 int lpfc_sli4_redisc_fcf_table(struct lpfc_hba *);
267 void lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *);
268 void lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *);
269 uint16_t lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *);
270 void lpfc_sli4_set_fcf_flogi_fail(struct lpfc_hba *, uint16_t);
271 int lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *, uint16_t);
272 void lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *, uint16_t);
273 int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *, uint16_t);
274 void lpfc_sli4_clear_fcf_rr_bmask(struct lpfc_hba *);
275 
276 int lpfc_mem_alloc(struct lpfc_hba *, int align);
277 int lpfc_nvmet_mem_alloc(struct lpfc_hba *phba);
278 int lpfc_mem_alloc_active_rrq_pool_s4(struct lpfc_hba *);
279 void lpfc_mem_free(struct lpfc_hba *);
280 void lpfc_mem_free_all(struct lpfc_hba *);
281 void lpfc_stop_vport_timers(struct lpfc_vport *);
282 
283 void lpfc_poll_timeout(struct timer_list *t);
284 void lpfc_poll_start_timer(struct lpfc_hba *);
285 void lpfc_poll_eratt(struct timer_list *);
286 int
287 lpfc_sli_handle_fast_ring_event(struct lpfc_hba *,
288 			struct lpfc_sli_ring *, uint32_t);
289 
290 struct lpfc_iocbq *__lpfc_sli_get_iocbq(struct lpfc_hba *);
291 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
292 void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *);
293 uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *);
294 void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t,
295 			   uint32_t);
296 void lpfc_sli_wake_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *);
297 int lpfc_selective_reset(struct lpfc_hba *);
298 void lpfc_reset_barrier(struct lpfc_hba *);
299 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
300 int lpfc_sli_brdkill(struct lpfc_hba *);
301 int lpfc_sli_chipset_init(struct lpfc_hba *phba);
302 int lpfc_sli_brdreset(struct lpfc_hba *);
303 int lpfc_sli_brdrestart(struct lpfc_hba *);
304 int lpfc_sli_hba_setup(struct lpfc_hba *);
305 int lpfc_sli_config_port(struct lpfc_hba *, int);
306 int lpfc_sli_host_down(struct lpfc_vport *);
307 int lpfc_sli_hba_down(struct lpfc_hba *);
308 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
309 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
310 void lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *, int);
311 int lpfc_sli_check_eratt(struct lpfc_hba *);
312 void lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
313 				    struct lpfc_sli_ring *, uint32_t);
314 void lpfc_sli4_handle_received_buffer(struct lpfc_hba *, struct hbq_dmabuf *);
315 void lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport,
316 			     struct fc_frame_header *fc_hdr, bool aborted);
317 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
318 void lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba *, LPFC_MBOXQ_t *);
319 int lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
320 			struct lpfc_iocbq *, uint32_t);
321 int lpfc_sli_issue_fcp_io(struct lpfc_hba *phba, uint32_t ring_number,
322 			  struct lpfc_iocbq *piocb, uint32_t flag);
323 int lpfc_sli4_issue_wqe(struct lpfc_hba *phba, struct lpfc_sli4_hdw_queue *qp,
324 			struct lpfc_iocbq *pwqe);
325 int lpfc_sli4_issue_abort_iotag(struct lpfc_hba *phba,
326 			struct lpfc_iocbq *cmdiocb, void *cmpl);
327 struct lpfc_sglq *__lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xri);
328 struct lpfc_sglq *__lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba,
329 					    struct lpfc_iocbq *piocbq);
330 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
331 void lpfc_sli_bemem_bcopy(void *, void *, uint32_t);
332 void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
333 void lpfc_sli_abort_fcp_rings(struct lpfc_hba *phba);
334 void lpfc_sli_hba_iocb_abort(struct lpfc_hba *);
335 void lpfc_sli_flush_io_rings(struct lpfc_hba *phba);
336 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
337 			     struct lpfc_dmabuf *);
338 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
339 					     struct lpfc_sli_ring *,
340 					     dma_addr_t);
341 
342 uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba *);
343 struct lpfc_dmabuf * lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *,
344 			struct lpfc_sli_ring *, uint32_t );
345 
346 int lpfc_sli_hbq_count(void);
347 int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t);
348 void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *);
349 int lpfc_sli_hbq_size(void);
350 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
351 			       struct lpfc_iocbq *, void *);
352 int lpfc_sli_sum_iocb(struct lpfc_vport *, uint16_t, uint64_t, lpfc_ctx_cmd);
353 int lpfc_sli_abort_iocb(struct lpfc_vport *vport, u16 tgt_id, u64 lun_id,
354 			lpfc_ctx_cmd abort_cmd);
355 int
356 lpfc_sli_abort_taskmgmt(struct lpfc_vport *, struct lpfc_sli_ring *,
357 			uint16_t, uint64_t, lpfc_ctx_cmd);
358 
359 void lpfc_mbox_timeout(struct timer_list *t);
360 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
361 int lpfc_issue_hb_mbox(struct lpfc_hba *phba);
362 void lpfc_issue_hb_tmo(struct lpfc_hba *phba);
363 
364 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
365 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
366 					 struct lpfc_name *);
367 struct lpfc_nodelist *lpfc_findnode_mapped(struct lpfc_vport *vport);
368 
369 int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
370 
371 int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, uint32_t,
372 			     struct lpfc_iocbq *, struct lpfc_iocbq *,
373 			     uint32_t);
374 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *,
375 			     struct lpfc_iocbq *);
376 void lpfc_sli4_abort_fcp_cmpl(struct lpfc_hba *h, struct lpfc_iocbq *i,
377 			      struct lpfc_wcqe_complete *w);
378 
379 void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
380 
381 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
382 void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
383 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
384 void *lpfc_nvmet_buf_alloc(struct lpfc_hba *phba, int flags,
385 			dma_addr_t *handle);
386 void lpfc_nvmet_buf_free(struct lpfc_hba *phba, void *virtp, dma_addr_t dma);
387 
388 void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);
389 void lpfc_rq_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp);
390 int lpfc_link_reset(struct lpfc_vport *vport);
391 
392 /* Function prototypes. */
393 int lpfc_check_pci_resettable(struct lpfc_hba *phba);
394 const char* lpfc_info(struct Scsi_Host *);
395 int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
396 
397 int lpfc_init_api_table_setup(struct lpfc_hba *, uint8_t);
398 int lpfc_sli_api_table_setup(struct lpfc_hba *, uint8_t);
399 int lpfc_scsi_api_table_setup(struct lpfc_hba *, uint8_t);
400 int lpfc_mbox_api_table_setup(struct lpfc_hba *, uint8_t);
401 int lpfc_api_table_setup(struct lpfc_hba *, uint8_t);
402 
403 void lpfc_get_cfgparam(struct lpfc_hba *);
404 void lpfc_get_vport_cfgparam(struct lpfc_vport *);
405 int lpfc_alloc_sysfs_attr(struct lpfc_vport *);
406 void lpfc_free_sysfs_attr(struct lpfc_vport *);
407 extern struct device_attribute *lpfc_hba_attrs[];
408 extern struct device_attribute *lpfc_vport_attrs[];
409 extern struct scsi_host_template lpfc_template;
410 extern struct scsi_host_template lpfc_template_nvme;
411 extern struct fc_function_template lpfc_transport_functions;
412 extern struct fc_function_template lpfc_vport_transport_functions;
413 
414 int  lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t);
415 int  lpfc_vport_symbolic_port_name(struct lpfc_vport *, char *,	size_t);
416 void lpfc_terminate_rport_io(struct fc_rport *);
417 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
418 
419 struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *);
420 int  lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
421 int lpfc_mbx_unreg_vpi(struct lpfc_vport *);
422 void destroy_port(struct lpfc_vport *);
423 int lpfc_get_instance(void);
424 void lpfc_host_attrib_init(struct Scsi_Host *);
425 
426 extern void lpfc_debugfs_initialize(struct lpfc_vport *);
427 extern void lpfc_debugfs_terminate(struct lpfc_vport *);
428 extern void lpfc_debugfs_disc_trc(struct lpfc_vport *, int, char *, uint32_t,
429 				  uint32_t, uint32_t);
430 extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t,
431 				       uint32_t, uint32_t);
432 extern void lpfc_debugfs_nvme_trc(struct lpfc_hba *phba, char *fmt,
433 				uint16_t data1, uint16_t data2, uint32_t data3);
434 extern struct lpfc_hbq_init *lpfc_hbq_defs[];
435 
436 /* SLI4 if_type 2 externs. */
437 int lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *);
438 int lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *);
439 int lpfc_sli4_get_allocated_extnts(struct lpfc_hba *, uint16_t,
440 				   uint16_t *, uint16_t *);
441 int lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *, uint16_t,
442 					  uint16_t *, uint16_t *);
443 
444 /* Interface exported by fabric iocb scheduler */
445 void lpfc_fabric_abort_nport(struct lpfc_nodelist *);
446 void lpfc_fabric_abort_hba(struct lpfc_hba *);
447 void lpfc_fabric_block_timeout(struct timer_list *);
448 void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
449 void lpfc_rampdown_queue_depth(struct lpfc_hba *);
450 void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
451 void lpfc_scsi_dev_block(struct lpfc_hba *);
452 
453 void
454 lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *,
455 				struct lpfc_iocbq *);
456 struct lpfc_fast_path_event *lpfc_alloc_fast_evt(struct lpfc_hba *);
457 void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *);
458 void lpfc_create_static_vport(struct lpfc_hba *);
459 void lpfc_stop_hba_timers(struct lpfc_hba *);
460 void lpfc_stop_port(struct lpfc_hba *);
461 void __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *);
462 void lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *);
463 void lpfc_parse_fcoe_conf(struct lpfc_hba *, uint8_t *, uint32_t);
464 int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
465 void lpfc_start_fdiscs(struct lpfc_hba *phba);
466 struct lpfc_vport *lpfc_find_vport_by_vpid(struct lpfc_hba *, uint16_t);
467 struct lpfc_sglq *__lpfc_get_active_sglq(struct lpfc_hba *, uint16_t);
468 #define HBA_EVENT_RSCN                   5
469 #define HBA_EVENT_LINK_UP                2
470 #define HBA_EVENT_LINK_DOWN              3
471 
472 /* functions to support SGIOv4/bsg interface */
473 int lpfc_bsg_request(struct bsg_job *);
474 int lpfc_bsg_timeout(struct bsg_job *);
475 int lpfc_bsg_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
476 			     struct lpfc_iocbq *);
477 int lpfc_bsg_ct_unsol_abort(struct lpfc_hba *, struct hbq_dmabuf *);
478 void __lpfc_sli_ringtx_put(struct lpfc_hba *, struct lpfc_sli_ring *,
479 	struct lpfc_iocbq *);
480 struct lpfc_iocbq *lpfc_sli_ringtx_get(struct lpfc_hba *,
481 	struct lpfc_sli_ring *);
482 int __lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
483 	struct lpfc_iocbq *, uint32_t);
484 uint32_t lpfc_drain_txq(struct lpfc_hba *);
485 void lpfc_clr_rrq_active(struct lpfc_hba *, uint16_t, struct lpfc_node_rrq *);
486 int lpfc_test_rrq_active(struct lpfc_hba *, struct lpfc_nodelist *, uint16_t);
487 void lpfc_handle_rrq_active(struct lpfc_hba *);
488 int lpfc_send_rrq(struct lpfc_hba *, struct lpfc_node_rrq *);
489 int lpfc_set_rrq_active(struct lpfc_hba *, struct lpfc_nodelist *,
490 	uint16_t, uint16_t, uint16_t);
491 uint16_t lpfc_sli4_xri_inrange(struct lpfc_hba *, uint16_t);
492 void lpfc_cleanup_vports_rrqs(struct lpfc_vport *, struct lpfc_nodelist *);
493 struct lpfc_node_rrq *lpfc_get_active_rrq(struct lpfc_vport *, uint16_t,
494 	uint32_t);
495 void lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba *, enum nemb_type,
496 	enum mbox_type, enum dma_type, enum sta_type,
497 	struct lpfc_dmabuf *, uint32_t);
498 void lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba *, MAILBOX_t *);
499 int lpfc_wr_object(struct lpfc_hba *, struct list_head *, uint32_t, uint32_t *);
500 /* functions to support SR-IOV */
501 int lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *, int);
502 uint16_t lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *);
503 int lpfc_sli4_queue_create(struct lpfc_hba *);
504 void lpfc_sli4_queue_destroy(struct lpfc_hba *);
505 void lpfc_sli4_abts_err_handler(struct lpfc_hba *, struct lpfc_nodelist *,
506 				struct sli4_wcqe_xri_aborted *);
507 void lpfc_sli_abts_recover_port(struct lpfc_vport *,
508 				struct lpfc_nodelist *);
509 int lpfc_hba_init_link_fc_topology(struct lpfc_hba *, uint32_t, uint32_t);
510 int lpfc_issue_reg_vfi(struct lpfc_vport *);
511 int lpfc_issue_unreg_vfi(struct lpfc_vport *);
512 int lpfc_selective_reset(struct lpfc_hba *);
513 int lpfc_sli4_read_config(struct lpfc_hba *);
514 void lpfc_sli4_node_prep(struct lpfc_hba *);
515 int lpfc_sli4_els_sgl_update(struct lpfc_hba *phba);
516 int lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba);
517 int lpfc_io_buf_flush(struct lpfc_hba *phba, struct list_head *sglist);
518 int lpfc_io_buf_replenish(struct lpfc_hba *phba, struct list_head *cbuf);
519 int lpfc_sli4_io_sgl_update(struct lpfc_hba *phba);
520 int lpfc_sli4_post_io_sgl_list(struct lpfc_hba *phba,
521 		struct list_head *blist, int xricnt);
522 int lpfc_new_io_buf(struct lpfc_hba *phba, int num_to_alloc);
523 void lpfc_io_free(struct lpfc_hba *phba);
524 void lpfc_free_sgl_list(struct lpfc_hba *, struct list_head *);
525 uint32_t lpfc_sli_port_speed_get(struct lpfc_hba *);
526 int lpfc_sli4_request_firmware_update(struct lpfc_hba *, uint8_t);
527 void lpfc_sli4_offline_eratt(struct lpfc_hba *);
528 
529 struct lpfc_device_data *lpfc_create_device_data(struct lpfc_hba *,
530 						struct lpfc_name *,
531 						struct lpfc_name *,
532 						uint64_t, uint32_t,  bool);
533 void lpfc_delete_device_data(struct lpfc_hba *, struct lpfc_device_data*);
534 struct lpfc_device_data *__lpfc_get_device_data(struct lpfc_hba *,
535 					struct list_head *list,
536 					struct lpfc_name *,
537 					struct lpfc_name *, uint64_t);
538 bool lpfc_enable_oas_lun(struct lpfc_hba *, struct lpfc_name *,
539 			 struct lpfc_name *, uint64_t, uint8_t);
540 bool lpfc_disable_oas_lun(struct lpfc_hba *, struct lpfc_name *,
541 			  struct lpfc_name *, uint64_t, uint8_t);
542 bool lpfc_find_next_oas_lun(struct lpfc_hba *, struct lpfc_name *,
543 			    struct lpfc_name *, uint64_t *, struct lpfc_name *,
544 			    struct lpfc_name *, uint64_t *,
545 			    uint32_t *, uint32_t *);
546 int lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox);
547 void lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb);
548 
549 /* RAS Interface */
550 void lpfc_sli4_ras_init(struct lpfc_hba *phba);
551 void lpfc_sli4_ras_setup(struct lpfc_hba *phba);
552 int  lpfc_sli4_ras_fwlog_init(struct lpfc_hba *phba, uint32_t fwlog_level,
553 			 uint32_t fwlog_enable);
554 void lpfc_ras_stop_fwlog(struct lpfc_hba *phba);
555 int lpfc_check_fwlog_support(struct lpfc_hba *phba);
556 
557 /* NVME interfaces. */
558 void lpfc_nvme_rescan_port(struct lpfc_vport *vport,
559 			   struct lpfc_nodelist *ndlp);
560 void lpfc_nvme_unregister_port(struct lpfc_vport *vport,
561 			struct lpfc_nodelist *ndlp);
562 int lpfc_nvme_register_port(struct lpfc_vport *vport,
563 			struct lpfc_nodelist *ndlp);
564 int lpfc_nvme_create_localport(struct lpfc_vport *vport);
565 void lpfc_nvme_destroy_localport(struct lpfc_vport *vport);
566 void lpfc_nvme_update_localport(struct lpfc_vport *vport);
567 int lpfc_nvmet_create_targetport(struct lpfc_hba *phba);
568 int lpfc_nvmet_update_targetport(struct lpfc_hba *phba);
569 void lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba);
570 int lpfc_nvme_handle_lsreq(struct lpfc_hba *phba,
571 			struct lpfc_async_xchg_ctx *axchg);
572 int lpfc_nvmet_handle_lsreq(struct lpfc_hba *phba,
573 			struct lpfc_async_xchg_ctx *axchg);
574 void lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, uint32_t idx,
575 				struct rqb_dmabuf *nvmebuf, uint64_t isr_ts,
576 				uint8_t cqflag);
577 void lpfc_nvme_mod_param_dep(struct lpfc_hba *phba);
578 void lpfc_nvmet_invalidate_host(struct lpfc_hba *phba,
579 			struct lpfc_nodelist *ndlp);
580 void lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba,
581 				struct lpfc_iocbq *cmdiocb,
582 				struct lpfc_wcqe_complete *abts_cmpl);
583 void lpfc_create_multixri_pools(struct lpfc_hba *phba);
584 void lpfc_create_destroy_pools(struct lpfc_hba *phba);
585 void lpfc_move_xri_pvt_to_pbl(struct lpfc_hba *phba, u32 hwqid);
586 void lpfc_move_xri_pbl_to_pvt(struct lpfc_hba *phba, u32 hwqid, u32 cnt);
587 void lpfc_adjust_high_watermark(struct lpfc_hba *phba, u32 hwqid);
588 void lpfc_keep_pvt_pool_above_lowwm(struct lpfc_hba *phba, u32 hwqid);
589 void lpfc_adjust_pvt_pool_count(struct lpfc_hba *phba, u32 hwqid);
590 #ifdef LPFC_MXP_STAT
591 void lpfc_snapshot_mxp(struct lpfc_hba *, u32);
592 #endif
593 struct lpfc_io_buf *lpfc_get_io_buf(struct lpfc_hba *phba,
594 				struct lpfc_nodelist *ndlp, u32 hwqid,
595 				int);
596 void lpfc_release_io_buf(struct lpfc_hba *phba, struct lpfc_io_buf *ncmd,
597 			 struct lpfc_sli4_hdw_queue *qp);
598 void lpfc_io_ktime(struct lpfc_hba *phba, struct lpfc_io_buf *ncmd);
599 void lpfc_wqe_cmd_template(void);
600 void lpfc_nvmet_cmd_template(void);
601 void lpfc_nvme_cancel_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn,
602 			   uint32_t stat, uint32_t param);
603 extern int lpfc_enable_nvmet_cnt;
604 extern unsigned long long lpfc_enable_nvmet[];
605 extern int lpfc_no_hba_reset_cnt;
606 extern unsigned long lpfc_no_hba_reset[];
607 extern union lpfc_wqe128 lpfc_iread_cmd_template;
608 extern union lpfc_wqe128 lpfc_iwrite_cmd_template;
609 extern union lpfc_wqe128 lpfc_icmnd_cmd_template;
610