xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_crtn.h (revision da2ef666)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017-2018 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 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(struct timer_list *);
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(struct timer_list *);
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(struct timer_list *);
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(struct timer_list *);
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_nvmet_wqfull_process(struct lpfc_hba *phba, struct lpfc_queue *wq);
258 void lpfc_sli_flush_nvme_rings(struct lpfc_hba *phba);
259 void lpfc_nvme_wait_for_io_drain(struct lpfc_hba *phba);
260 void lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *, struct fcf_record *,
261 			uint16_t);
262 int lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq,
263 		     struct lpfc_rqe *hrqe, struct lpfc_rqe *drqe);
264 int lpfc_free_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hq);
265 void lpfc_unregister_fcf(struct lpfc_hba *);
266 void lpfc_unregister_fcf_rescan(struct lpfc_hba *);
267 void lpfc_unregister_unused_fcf(struct lpfc_hba *);
268 int lpfc_sli4_redisc_fcf_table(struct lpfc_hba *);
269 void lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *);
270 void lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *);
271 uint16_t lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *);
272 void lpfc_sli4_set_fcf_flogi_fail(struct lpfc_hba *, uint16_t);
273 int lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *, uint16_t);
274 void lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *, uint16_t);
275 int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *, uint16_t);
276 void lpfc_sli4_clear_fcf_rr_bmask(struct lpfc_hba *);
277 
278 int lpfc_mem_alloc(struct lpfc_hba *, int align);
279 int lpfc_nvmet_mem_alloc(struct lpfc_hba *phba);
280 int lpfc_mem_alloc_active_rrq_pool_s4(struct lpfc_hba *);
281 void lpfc_mem_free(struct lpfc_hba *);
282 void lpfc_mem_free_all(struct lpfc_hba *);
283 void lpfc_stop_vport_timers(struct lpfc_vport *);
284 
285 void lpfc_poll_timeout(struct timer_list *t);
286 void lpfc_poll_start_timer(struct lpfc_hba *);
287 void lpfc_poll_eratt(struct timer_list *);
288 int
289 lpfc_sli_handle_fast_ring_event(struct lpfc_hba *,
290 			struct lpfc_sli_ring *, uint32_t);
291 
292 struct lpfc_iocbq *__lpfc_sli_get_iocbq(struct lpfc_hba *);
293 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
294 void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *);
295 uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *);
296 void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t,
297 			   uint32_t);
298 void lpfc_sli_wake_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *);
299 int lpfc_selective_reset(struct lpfc_hba *);
300 void lpfc_reset_barrier(struct lpfc_hba *);
301 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
302 int lpfc_sli_brdkill(struct lpfc_hba *);
303 int lpfc_sli_chipset_init(struct lpfc_hba *phba);
304 int lpfc_sli_brdreset(struct lpfc_hba *);
305 int lpfc_sli_brdrestart(struct lpfc_hba *);
306 int lpfc_sli_hba_setup(struct lpfc_hba *);
307 int lpfc_sli_config_port(struct lpfc_hba *, int);
308 int lpfc_sli_host_down(struct lpfc_vport *);
309 int lpfc_sli_hba_down(struct lpfc_hba *);
310 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
311 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
312 void lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *, int);
313 int lpfc_sli_check_eratt(struct lpfc_hba *);
314 void lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
315 				    struct lpfc_sli_ring *, uint32_t);
316 void lpfc_sli4_handle_received_buffer(struct lpfc_hba *, struct hbq_dmabuf *);
317 void lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport,
318 			     struct fc_frame_header *fc_hdr, bool aborted);
319 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
320 void lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba *, LPFC_MBOXQ_t *);
321 int lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
322 			struct lpfc_iocbq *, uint32_t);
323 int lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t rnum,
324 			struct lpfc_iocbq *iocbq);
325 struct lpfc_sglq *__lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xri);
326 struct lpfc_sglq *__lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba,
327 					    struct lpfc_iocbq *piocbq);
328 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
329 void lpfc_sli_bemem_bcopy(void *, void *, uint32_t);
330 void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
331 void lpfc_sli_abort_fcp_rings(struct lpfc_hba *phba);
332 void lpfc_sli_hba_iocb_abort(struct lpfc_hba *);
333 void lpfc_sli_flush_fcp_rings(struct lpfc_hba *);
334 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
335 			     struct lpfc_dmabuf *);
336 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
337 					     struct lpfc_sli_ring *,
338 					     dma_addr_t);
339 
340 uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba *);
341 struct lpfc_dmabuf * lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *,
342 			struct lpfc_sli_ring *, uint32_t );
343 
344 int lpfc_sli_hbq_count(void);
345 int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t);
346 void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *);
347 int lpfc_sli_hbq_size(void);
348 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
349 			       struct lpfc_iocbq *);
350 int lpfc_sli_sum_iocb(struct lpfc_vport *, uint16_t, uint64_t, lpfc_ctx_cmd);
351 int lpfc_sli_abort_iocb(struct lpfc_vport *, struct lpfc_sli_ring *, uint16_t,
352 			uint64_t, lpfc_ctx_cmd);
353 int
354 lpfc_sli_abort_taskmgmt(struct lpfc_vport *, struct lpfc_sli_ring *,
355 			uint16_t, uint64_t, lpfc_ctx_cmd);
356 
357 void lpfc_mbox_timeout(struct timer_list *t);
358 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
359 
360 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
361 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
362 					 struct lpfc_name *);
363 
364 int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
365 
366 int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, uint32_t,
367 			     struct lpfc_iocbq *, struct lpfc_iocbq *,
368 			     uint32_t);
369 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *,
370 			     struct lpfc_iocbq *);
371 
372 void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
373 
374 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
375 void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
376 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
377 void *lpfc_nvmet_buf_alloc(struct lpfc_hba *phba, int flags,
378 			dma_addr_t *handle);
379 void lpfc_nvmet_buf_free(struct lpfc_hba *phba, void *virtp, dma_addr_t dma);
380 
381 void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);
382 void lpfc_rq_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp);
383 
384 /* Function prototypes. */
385 const char* lpfc_info(struct Scsi_Host *);
386 int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
387 
388 int lpfc_init_api_table_setup(struct lpfc_hba *, uint8_t);
389 int lpfc_sli_api_table_setup(struct lpfc_hba *, uint8_t);
390 int lpfc_scsi_api_table_setup(struct lpfc_hba *, uint8_t);
391 int lpfc_mbox_api_table_setup(struct lpfc_hba *, uint8_t);
392 int lpfc_api_table_setup(struct lpfc_hba *, uint8_t);
393 
394 void lpfc_get_cfgparam(struct lpfc_hba *);
395 void lpfc_get_vport_cfgparam(struct lpfc_vport *);
396 int lpfc_alloc_sysfs_attr(struct lpfc_vport *);
397 void lpfc_free_sysfs_attr(struct lpfc_vport *);
398 extern struct device_attribute *lpfc_hba_attrs[];
399 extern struct device_attribute *lpfc_vport_attrs[];
400 extern struct scsi_host_template lpfc_template;
401 extern struct scsi_host_template lpfc_template_no_hr;
402 extern struct scsi_host_template lpfc_template_nvme;
403 extern struct scsi_host_template lpfc_vport_template;
404 extern struct fc_function_template lpfc_transport_functions;
405 extern struct fc_function_template lpfc_vport_transport_functions;
406 
407 int  lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t);
408 int  lpfc_vport_symbolic_port_name(struct lpfc_vport *, char *,	size_t);
409 void lpfc_terminate_rport_io(struct fc_rport *);
410 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
411 
412 struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *);
413 int  lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
414 int lpfc_mbx_unreg_vpi(struct lpfc_vport *);
415 void destroy_port(struct lpfc_vport *);
416 int lpfc_get_instance(void);
417 void lpfc_host_attrib_init(struct Scsi_Host *);
418 
419 extern void lpfc_debugfs_initialize(struct lpfc_vport *);
420 extern void lpfc_debugfs_terminate(struct lpfc_vport *);
421 extern void lpfc_debugfs_disc_trc(struct lpfc_vport *, int, char *, uint32_t,
422 				  uint32_t, uint32_t);
423 extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t,
424 				       uint32_t, uint32_t);
425 extern void lpfc_debugfs_nvme_trc(struct lpfc_hba *phba, char *fmt,
426 				uint16_t data1, uint16_t data2, uint32_t data3);
427 extern struct lpfc_hbq_init *lpfc_hbq_defs[];
428 
429 /* SLI4 if_type 2 externs. */
430 int lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *);
431 int lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *);
432 int lpfc_sli4_get_allocated_extnts(struct lpfc_hba *, uint16_t,
433 				   uint16_t *, uint16_t *);
434 int lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *, uint16_t,
435 					  uint16_t *, uint16_t *);
436 
437 /* externs BlockGuard */
438 extern char *_dump_buf_data;
439 extern unsigned long _dump_buf_data_order;
440 extern char *_dump_buf_dif;
441 extern unsigned long _dump_buf_dif_order;
442 extern spinlock_t _dump_buf_lock;
443 extern int _dump_buf_done;
444 extern spinlock_t pgcnt_lock;
445 extern unsigned int pgcnt;
446 extern unsigned int lpfc_fcp_look_ahead;
447 
448 /* Interface exported by fabric iocb scheduler */
449 void lpfc_fabric_abort_nport(struct lpfc_nodelist *);
450 void lpfc_fabric_abort_hba(struct lpfc_hba *);
451 void lpfc_fabric_block_timeout(struct timer_list *);
452 void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
453 void lpfc_rampdown_queue_depth(struct lpfc_hba *);
454 void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
455 void lpfc_scsi_dev_block(struct lpfc_hba *);
456 
457 void
458 lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *,
459 				struct lpfc_iocbq *);
460 struct lpfc_fast_path_event *lpfc_alloc_fast_evt(struct lpfc_hba *);
461 void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *);
462 void lpfc_create_static_vport(struct lpfc_hba *);
463 void lpfc_stop_hba_timers(struct lpfc_hba *);
464 void lpfc_stop_port(struct lpfc_hba *);
465 void __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *);
466 void lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *);
467 void lpfc_parse_fcoe_conf(struct lpfc_hba *, uint8_t *, uint32_t);
468 int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
469 void lpfc_start_fdiscs(struct lpfc_hba *phba);
470 struct lpfc_vport *lpfc_find_vport_by_vpid(struct lpfc_hba *, uint16_t);
471 struct lpfc_sglq *__lpfc_get_active_sglq(struct lpfc_hba *, uint16_t);
472 #define HBA_EVENT_RSCN                   5
473 #define HBA_EVENT_LINK_UP                2
474 #define HBA_EVENT_LINK_DOWN              3
475 
476 /* functions to support SGIOv4/bsg interface */
477 int lpfc_bsg_request(struct bsg_job *);
478 int lpfc_bsg_timeout(struct bsg_job *);
479 int lpfc_bsg_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
480 			     struct lpfc_iocbq *);
481 int lpfc_bsg_ct_unsol_abort(struct lpfc_hba *, struct hbq_dmabuf *);
482 void __lpfc_sli_ringtx_put(struct lpfc_hba *, struct lpfc_sli_ring *,
483 	struct lpfc_iocbq *);
484 struct lpfc_iocbq *lpfc_sli_ringtx_get(struct lpfc_hba *,
485 	struct lpfc_sli_ring *);
486 int __lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
487 	struct lpfc_iocbq *, uint32_t);
488 uint32_t lpfc_drain_txq(struct lpfc_hba *);
489 void lpfc_clr_rrq_active(struct lpfc_hba *, uint16_t, struct lpfc_node_rrq *);
490 int lpfc_test_rrq_active(struct lpfc_hba *, struct lpfc_nodelist *, uint16_t);
491 void lpfc_handle_rrq_active(struct lpfc_hba *);
492 int lpfc_send_rrq(struct lpfc_hba *, struct lpfc_node_rrq *);
493 int lpfc_set_rrq_active(struct lpfc_hba *, struct lpfc_nodelist *,
494 	uint16_t, uint16_t, uint16_t);
495 uint16_t lpfc_sli4_xri_inrange(struct lpfc_hba *, uint16_t);
496 void lpfc_cleanup_vports_rrqs(struct lpfc_vport *, struct lpfc_nodelist *);
497 struct lpfc_node_rrq *lpfc_get_active_rrq(struct lpfc_vport *, uint16_t,
498 	uint32_t);
499 void lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba *, enum nemb_type,
500 	enum mbox_type, enum dma_type, enum sta_type,
501 	struct lpfc_dmabuf *, uint32_t);
502 void lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba *, MAILBOX_t *);
503 int lpfc_wr_object(struct lpfc_hba *, struct list_head *, uint32_t, uint32_t *);
504 /* functions to support SR-IOV */
505 int lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *, int);
506 uint16_t lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *);
507 int lpfc_sli4_queue_create(struct lpfc_hba *);
508 void lpfc_sli4_queue_destroy(struct lpfc_hba *);
509 void lpfc_sli4_abts_err_handler(struct lpfc_hba *, struct lpfc_nodelist *,
510 				struct sli4_wcqe_xri_aborted *);
511 void lpfc_sli_abts_recover_port(struct lpfc_vport *,
512 				struct lpfc_nodelist *);
513 int lpfc_hba_init_link_fc_topology(struct lpfc_hba *, uint32_t, uint32_t);
514 int lpfc_issue_reg_vfi(struct lpfc_vport *);
515 int lpfc_issue_unreg_vfi(struct lpfc_vport *);
516 int lpfc_selective_reset(struct lpfc_hba *);
517 int lpfc_sli4_read_config(struct lpfc_hba *);
518 void lpfc_sli4_node_prep(struct lpfc_hba *);
519 int lpfc_sli4_els_sgl_update(struct lpfc_hba *phba);
520 int lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba);
521 int lpfc_sli4_scsi_sgl_update(struct lpfc_hba *phba);
522 int lpfc_sli4_nvme_sgl_update(struct lpfc_hba *phba);
523 void lpfc_free_sgl_list(struct lpfc_hba *, struct list_head *);
524 uint32_t lpfc_sli_port_speed_get(struct lpfc_hba *);
525 int lpfc_sli4_request_firmware_update(struct lpfc_hba *, uint8_t);
526 void lpfc_sli4_offline_eratt(struct lpfc_hba *);
527 
528 struct lpfc_device_data *lpfc_create_device_data(struct lpfc_hba *,
529 						struct lpfc_name *,
530 						struct lpfc_name *,
531 						uint64_t, uint32_t,  bool);
532 void lpfc_delete_device_data(struct lpfc_hba *, struct lpfc_device_data*);
533 struct lpfc_device_data *__lpfc_get_device_data(struct lpfc_hba *,
534 					struct list_head *list,
535 					struct lpfc_name *,
536 					struct lpfc_name *, uint64_t);
537 bool lpfc_enable_oas_lun(struct lpfc_hba *, struct lpfc_name *,
538 			 struct lpfc_name *, uint64_t, uint8_t);
539 bool lpfc_disable_oas_lun(struct lpfc_hba *, struct lpfc_name *,
540 			  struct lpfc_name *, uint64_t, uint8_t);
541 bool lpfc_find_next_oas_lun(struct lpfc_hba *, struct lpfc_name *,
542 			    struct lpfc_name *, uint64_t *, struct lpfc_name *,
543 			    struct lpfc_name *, uint64_t *,
544 			    uint32_t *, uint32_t *);
545 int lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox);
546 void lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb);
547 
548 /* NVME interfaces. */
549 void lpfc_nvme_unregister_port(struct lpfc_vport *vport,
550 			struct lpfc_nodelist *ndlp);
551 int lpfc_nvme_register_port(struct lpfc_vport *vport,
552 			struct lpfc_nodelist *ndlp);
553 int lpfc_nvme_create_localport(struct lpfc_vport *vport);
554 void lpfc_nvme_destroy_localport(struct lpfc_vport *vport);
555 void lpfc_nvme_update_localport(struct lpfc_vport *vport);
556 int lpfc_nvmet_create_targetport(struct lpfc_hba *phba);
557 int lpfc_nvmet_update_targetport(struct lpfc_hba *phba);
558 void lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba);
559 void lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba,
560 			struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocb);
561 void lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, uint32_t idx,
562 				struct rqb_dmabuf *nvmebuf, uint64_t isr_ts);
563 void lpfc_nvme_mod_param_dep(struct lpfc_hba *phba);
564 void lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba,
565 				struct lpfc_iocbq *cmdiocb,
566 				struct lpfc_wcqe_complete *abts_cmpl);
567 void lpfc_nvme_cmd_template(void);
568 void lpfc_nvmet_cmd_template(void);
569 extern int lpfc_enable_nvmet_cnt;
570 extern unsigned long long lpfc_enable_nvmet[];
571 extern int lpfc_no_hba_reset_cnt;
572 extern unsigned long lpfc_no_hba_reset[];
573