1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for         *
3 * Fibre Channel Host Bus Adapters.                                *
4 * Copyright (C) 2017-2019 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
23typedef int (*node_filter)(struct lpfc_nodelist *, void *);
24
25struct fc_rport;
26struct fc_frame_header;
27void lpfc_down_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
28void lpfc_sli_read_link_ste(struct lpfc_hba *);
29void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t, uint16_t);
30void lpfc_dump_wakeup_param(struct lpfc_hba *, LPFC_MBOXQ_t *);
31int lpfc_dump_static_vport(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
32int lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *, struct lpfcMboxq *);
33void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
34void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
35
36void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *);
37int lpfc_read_topology(struct lpfc_hba *, LPFC_MBOXQ_t *, struct lpfc_dmabuf *);
38void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
39void lpfc_issue_clear_la(struct lpfc_hba *, struct lpfc_vport *);
40void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
41int lpfc_config_msi(struct lpfc_hba *, LPFC_MBOXQ_t *);
42int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int);
43void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
44void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
45int lpfc_reg_rpi(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *,
46		 LPFC_MBOXQ_t *, uint16_t);
47void lpfc_set_var(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
48void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
49void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
50void lpfc_sli4_unreg_all_rpis(struct lpfc_vport *);
51
52void lpfc_reg_vpi(struct lpfc_vport *, LPFC_MBOXQ_t *);
53void lpfc_register_new_vport(struct lpfc_hba *, struct lpfc_vport *,
54			struct lpfc_nodelist *);
55void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
56void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
57void lpfc_request_features(struct lpfc_hba *, struct lpfcMboxq *);
58int lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *, struct lpfcMboxq *,
59			   uint16_t, uint16_t, bool);
60int lpfc_get_sli4_parameters(struct lpfc_hba *, LPFC_MBOXQ_t *);
61struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
62void lpfc_cleanup_rcv_buffers(struct lpfc_vport *);
63void lpfc_rcv_seq_check_edtov(struct lpfc_vport *);
64void lpfc_cleanup_rpis(struct lpfc_vport *, int);
65void lpfc_cleanup_pending_mbox(struct lpfc_vport *);
66int lpfc_linkdown(struct lpfc_hba *);
67void lpfc_linkdown_port(struct lpfc_vport *);
68void lpfc_port_link_failure(struct lpfc_vport *);
69void lpfc_mbx_cmpl_read_topology(struct lpfc_hba *, LPFC_MBOXQ_t *);
70void lpfc_init_vpi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
71void lpfc_cancel_all_vport_retry_delay_timer(struct lpfc_hba *);
72void lpfc_retry_pport_discovery(struct lpfc_hba *);
73int lpfc_init_iocb_list(struct lpfc_hba *phba, int cnt);
74void lpfc_free_iocb_list(struct lpfc_hba *phba);
75int lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq,
76			struct lpfc_queue *drq, int count, int idx);
77
78void lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
79void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
80void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
81void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
82void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
83void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
84void lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *, LPFC_MBOXQ_t *);
85void lpfc_unregister_vfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
86void lpfc_enqueue_node(struct lpfc_vport *, struct lpfc_nodelist *);
87void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *);
88struct lpfc_nodelist *lpfc_enable_node(struct lpfc_vport *,
89					struct lpfc_nodelist *, int);
90void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int);
91void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
92void lpfc_set_disctmo(struct lpfc_vport *);
93int  lpfc_can_disctmo(struct lpfc_vport *);
94int  lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *);
95void lpfc_unreg_all_rpis(struct lpfc_vport *);
96void lpfc_unreg_hba_rpis(struct lpfc_hba *);
97void lpfc_unreg_default_rpis(struct lpfc_vport *);
98void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
99
100int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
101			struct lpfc_iocbq *, struct lpfc_nodelist *);
102struct lpfc_nodelist *lpfc_nlp_init(struct lpfc_vport *vport, uint32_t did);
103struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
104int  lpfc_nlp_put(struct lpfc_nodelist *);
105int  lpfc_nlp_not_used(struct lpfc_nodelist *ndlp);
106struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t);
107void lpfc_disc_list_loopmap(struct lpfc_vport *);
108void lpfc_disc_start(struct lpfc_vport *);
109void lpfc_cleanup_discovery_resources(struct lpfc_vport *);
110void lpfc_cleanup(struct lpfc_vport *);
111void lpfc_disc_timeout(struct timer_list *);
112
113int lpfc_unregister_fcf_prep(struct lpfc_hba *);
114struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
115struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
116void lpfc_worker_wake_up(struct lpfc_hba *);
117int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
118int lpfc_do_work(void *);
119int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *,
120			    uint32_t);
121
122void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
123int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
124		     struct serv_parm *, uint32_t, int);
125void lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
126void lpfc_more_plogi(struct lpfc_vport *);
127void lpfc_more_adisc(struct lpfc_vport *);
128void lpfc_end_rscn(struct lpfc_vport *);
129int lpfc_els_chk_latt(struct lpfc_vport *);
130int lpfc_els_abort_flogi(struct lpfc_hba *);
131int lpfc_initial_flogi(struct lpfc_vport *);
132void lpfc_issue_init_vfi(struct lpfc_vport *);
133int lpfc_initial_fdisc(struct lpfc_vport *);
134int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t);
135int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
136int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
137int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
138int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
139int lpfc_issue_els_scr(struct lpfc_vport *vport, uint8_t retry);
140int lpfc_issue_els_rscn(struct lpfc_vport *vport, uint8_t retry);
141int lpfc_issue_fabric_reglogin(struct lpfc_vport *);
142int lpfc_issue_els_rdf(struct lpfc_vport *vport, uint8_t retry);
143int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
144int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
145int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
146		     struct lpfc_nodelist *, LPFC_MBOXQ_t *);
147int lpfc_els_rsp_reject(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
148			struct lpfc_nodelist *, LPFC_MBOXQ_t *);
149int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *,
150			   struct lpfc_nodelist *);
151int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *,
152			  struct lpfc_nodelist *);
153void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *);
154void lpfc_els_retry_delay(struct timer_list *);
155void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
156void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
157			  struct lpfc_iocbq *);
158int lpfc_els_handle_rscn(struct lpfc_vport *);
159void lpfc_els_flush_rscn(struct lpfc_vport *);
160int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t);
161void lpfc_els_flush_all_cmd(struct lpfc_hba *);
162void lpfc_els_flush_cmd(struct lpfc_vport *);
163int lpfc_els_disc_adisc(struct lpfc_vport *);
164int lpfc_els_disc_plogi(struct lpfc_vport *);
165void lpfc_els_timeout(struct timer_list *);
166void lpfc_els_timeout_handler(struct lpfc_vport *);
167struct lpfc_iocbq *lpfc_prep_els_iocb(struct lpfc_vport *, uint8_t, uint16_t,
168				      uint8_t, struct lpfc_nodelist *,
169				      uint32_t, uint32_t);
170void lpfc_hb_timeout_handler(struct lpfc_hba *);
171
172void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
173			 struct lpfc_iocbq *);
174int lpfc_ct_handle_unsol_abort(struct lpfc_hba *, struct hbq_dmabuf *);
175int lpfc_issue_gidpt(struct lpfc_vport *vport);
176int lpfc_issue_gidft(struct lpfc_vport *vport);
177int lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *iocbq);
178int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
179int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int, uint32_t);
180void lpfc_fdmi_change_check(struct lpfc_vport *vport);
181void lpfc_delayed_disc_tmo(struct timer_list *);
182void lpfc_delayed_disc_timeout_handler(struct lpfc_vport *);
183
184int lpfc_config_port_prep(struct lpfc_hba *);
185void lpfc_update_vport_wwn(struct lpfc_vport *vport);
186int lpfc_config_port_post(struct lpfc_hba *);
187int lpfc_hba_down_prep(struct lpfc_hba *);
188int lpfc_hba_down_post(struct lpfc_hba *);
189void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
190int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int);
191void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
192int lpfc_online(struct lpfc_hba *);
193void lpfc_unblock_mgmt_io(struct lpfc_hba *);
194void lpfc_offline_prep(struct lpfc_hba *, int);
195void lpfc_offline(struct lpfc_hba *);
196void lpfc_reset_hba(struct lpfc_hba *);
197int lpfc_emptyq_wait(struct lpfc_hba *phba, struct list_head *hd,
198			spinlock_t *slock);
199
200int lpfc_sli_setup(struct lpfc_hba *);
201int lpfc_sli4_setup(struct lpfc_hba *phba);
202void lpfc_sli_queue_init(struct lpfc_hba *phba);
203void lpfc_sli4_queue_init(struct lpfc_hba *phba);
204struct lpfc_sli_ring *lpfc_sli4_calc_ring(struct lpfc_hba *phba,
205					  struct lpfc_iocbq *iocbq);
206
207void lpfc_handle_eratt(struct lpfc_hba *);
208void lpfc_handle_latt(struct lpfc_hba *);
209irqreturn_t lpfc_sli_intr_handler(int, void *);
210irqreturn_t lpfc_sli_sp_intr_handler(int, void *);
211irqreturn_t lpfc_sli_fp_intr_handler(int, void *);
212irqreturn_t lpfc_sli4_intr_handler(int, void *);
213irqreturn_t lpfc_sli4_hba_intr_handler(int, void *);
214
215void lpfc_sli4_cleanup_poll_list(struct lpfc_hba *phba);
216int lpfc_sli4_poll_eq(struct lpfc_queue *q, uint8_t path);
217void lpfc_sli4_poll_hbtimer(struct timer_list *t);
218void lpfc_sli4_start_polling(struct lpfc_queue *q);
219void lpfc_sli4_stop_polling(struct lpfc_queue *q);
220
221void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
222void lpfc_sli4_swap_str(struct lpfc_hba *, LPFC_MBOXQ_t *);
223void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
224void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
225void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
226void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
227LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
228void __lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
229void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
230int lpfc_mbox_cmd_check(struct lpfc_hba *, LPFC_MBOXQ_t *);
231int lpfc_mbox_dev_check(struct lpfc_hba *);
232int lpfc_mbox_tmo_val(struct lpfc_hba *, LPFC_MBOXQ_t *);
233void lpfc_init_vfi(struct lpfcMboxq *, struct lpfc_vport *);
234void lpfc_reg_vfi(struct lpfcMboxq *, struct lpfc_vport *, dma_addr_t);
235void lpfc_init_vpi(struct lpfc_hba *, struct lpfcMboxq *, uint16_t);
236void lpfc_unreg_vfi(struct lpfcMboxq *, struct lpfc_vport *);
237void lpfc_reg_fcfi(struct lpfc_hba *, struct lpfcMboxq *);
238void lpfc_reg_fcfi_mrq(struct lpfc_hba *phba, struct lpfcMboxq *mbox, int mode);
239void lpfc_unreg_fcfi(struct lpfcMboxq *, uint16_t);
240void lpfc_resume_rpi(struct lpfcMboxq *, struct lpfc_nodelist *);
241int lpfc_check_pending_fcoe_event(struct lpfc_hba *, uint8_t);
242void lpfc_issue_init_vpi(struct lpfc_vport *);
243
244void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *,
245	uint32_t , LPFC_MBOXQ_t *);
246struct hbq_dmabuf *lpfc_els_hbq_alloc(struct lpfc_hba *);
247void lpfc_els_hbq_free(struct lpfc_hba *, struct hbq_dmabuf *);
248struct hbq_dmabuf *lpfc_sli4_rb_alloc(struct lpfc_hba *);
249void lpfc_sli4_rb_free(struct lpfc_hba *, struct hbq_dmabuf *);
250struct rqb_dmabuf *lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba);
251void lpfc_sli4_nvmet_free(struct lpfc_hba *phba, struct rqb_dmabuf *dmab);
252void lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba,
253			    struct lpfc_nvmet_ctxbuf *ctxp);
254int lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport,
255			       struct fc_frame_header *fc_hdr);
256void lpfc_nvmet_wqfull_process(struct lpfc_hba *phba, struct lpfc_queue *wq);
257void lpfc_sli_flush_nvme_rings(struct lpfc_hba *phba);
258void lpfc_nvme_wait_for_io_drain(struct lpfc_hba *phba);
259void lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *, struct fcf_record *,
260			uint16_t);
261int lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq,
262		     struct lpfc_rqe *hrqe, struct lpfc_rqe *drqe);
263int lpfc_free_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hq);
264void lpfc_unregister_fcf(struct lpfc_hba *);
265void lpfc_unregister_fcf_rescan(struct lpfc_hba *);
266void lpfc_unregister_unused_fcf(struct lpfc_hba *);
267int lpfc_sli4_redisc_fcf_table(struct lpfc_hba *);
268void lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *);
269void lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *);
270uint16_t lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *);
271void lpfc_sli4_set_fcf_flogi_fail(struct lpfc_hba *, uint16_t);
272int lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *, uint16_t);
273void lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *, uint16_t);
274int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *, uint16_t);
275void lpfc_sli4_clear_fcf_rr_bmask(struct lpfc_hba *);
276
277int lpfc_mem_alloc(struct lpfc_hba *, int align);
278int lpfc_nvmet_mem_alloc(struct lpfc_hba *phba);
279int lpfc_mem_alloc_active_rrq_pool_s4(struct lpfc_hba *);
280void lpfc_mem_free(struct lpfc_hba *);
281void lpfc_mem_free_all(struct lpfc_hba *);
282void lpfc_stop_vport_timers(struct lpfc_vport *);
283
284void lpfc_poll_timeout(struct timer_list *t);
285void lpfc_poll_start_timer(struct lpfc_hba *);
286void lpfc_poll_eratt(struct timer_list *);
287int
288lpfc_sli_handle_fast_ring_event(struct lpfc_hba *,
289			struct lpfc_sli_ring *, uint32_t);
290
291struct lpfc_iocbq *__lpfc_sli_get_iocbq(struct lpfc_hba *);
292struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
293void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *);
294uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *);
295void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t,
296			   uint32_t);
297void lpfc_sli_wake_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *);
298int lpfc_selective_reset(struct lpfc_hba *);
299void lpfc_reset_barrier(struct lpfc_hba *);
300int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
301int lpfc_sli_brdkill(struct lpfc_hba *);
302int lpfc_sli_chipset_init(struct lpfc_hba *phba);
303int lpfc_sli_brdreset(struct lpfc_hba *);
304int lpfc_sli_brdrestart(struct lpfc_hba *);
305int lpfc_sli_hba_setup(struct lpfc_hba *);
306int lpfc_sli_config_port(struct lpfc_hba *, int);
307int lpfc_sli_host_down(struct lpfc_vport *);
308int lpfc_sli_hba_down(struct lpfc_hba *);
309int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
310int lpfc_sli_handle_mb_event(struct lpfc_hba *);
311void lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *, int);
312int lpfc_sli_check_eratt(struct lpfc_hba *);
313void lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
314				    struct lpfc_sli_ring *, uint32_t);
315void lpfc_sli4_handle_received_buffer(struct lpfc_hba *, struct hbq_dmabuf *);
316void lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport,
317			     struct fc_frame_header *fc_hdr, bool aborted);
318void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
319void lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba *, LPFC_MBOXQ_t *);
320int lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
321			struct lpfc_iocbq *, uint32_t);
322int lpfc_sli4_issue_wqe(struct lpfc_hba *phba, struct lpfc_sli4_hdw_queue *qp,
323			struct lpfc_iocbq *pwqe);
324struct lpfc_sglq *__lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xri);
325struct lpfc_sglq *__lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba,
326					    struct lpfc_iocbq *piocbq);
327void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
328void lpfc_sli_bemem_bcopy(void *, void *, uint32_t);
329void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
330void lpfc_sli_abort_fcp_rings(struct lpfc_hba *phba);
331void lpfc_sli_hba_iocb_abort(struct lpfc_hba *);
332void lpfc_sli_flush_io_rings(struct lpfc_hba *phba);
333int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
334			     struct lpfc_dmabuf *);
335struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
336					     struct lpfc_sli_ring *,
337					     dma_addr_t);
338
339uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba *);
340struct lpfc_dmabuf * lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *,
341			struct lpfc_sli_ring *, uint32_t );
342
343int lpfc_sli_hbq_count(void);
344int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t);
345void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *);
346int lpfc_sli_hbq_size(void);
347int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
348			       struct lpfc_iocbq *);
349int lpfc_sli_sum_iocb(struct lpfc_vport *, uint16_t, uint64_t, lpfc_ctx_cmd);
350int lpfc_sli_abort_iocb(struct lpfc_vport *, struct lpfc_sli_ring *, uint16_t,
351			uint64_t, lpfc_ctx_cmd);
352int
353lpfc_sli_abort_taskmgmt(struct lpfc_vport *, struct lpfc_sli_ring *,
354			uint16_t, uint64_t, lpfc_ctx_cmd);
355
356void lpfc_mbox_timeout(struct timer_list *t);
357void lpfc_mbox_timeout_handler(struct lpfc_hba *);
358
359struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
360struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
361					 struct lpfc_name *);
362struct lpfc_nodelist *lpfc_findnode_mapped(struct lpfc_vport *vport);
363
364int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
365
366int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, uint32_t,
367			     struct lpfc_iocbq *, struct lpfc_iocbq *,
368			     uint32_t);
369void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *,
370			     struct lpfc_iocbq *);
371
372void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
373
374void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
375void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
376void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
377void *lpfc_nvmet_buf_alloc(struct lpfc_hba *phba, int flags,
378			dma_addr_t *handle);
379void lpfc_nvmet_buf_free(struct lpfc_hba *phba, void *virtp, dma_addr_t dma);
380
381void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);
382void lpfc_rq_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp);
383int lpfc_link_reset(struct lpfc_vport *vport);
384
385/* Function prototypes. */
386int lpfc_check_pci_resettable(struct lpfc_hba *phba);
387const char* lpfc_info(struct Scsi_Host *);
388int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
389
390int lpfc_init_api_table_setup(struct lpfc_hba *, uint8_t);
391int lpfc_sli_api_table_setup(struct lpfc_hba *, uint8_t);
392int lpfc_scsi_api_table_setup(struct lpfc_hba *, uint8_t);
393int lpfc_mbox_api_table_setup(struct lpfc_hba *, uint8_t);
394int lpfc_api_table_setup(struct lpfc_hba *, uint8_t);
395
396void lpfc_get_cfgparam(struct lpfc_hba *);
397void lpfc_get_vport_cfgparam(struct lpfc_vport *);
398int lpfc_alloc_sysfs_attr(struct lpfc_vport *);
399void lpfc_free_sysfs_attr(struct lpfc_vport *);
400extern struct device_attribute *lpfc_hba_attrs[];
401extern struct device_attribute *lpfc_vport_attrs[];
402extern struct scsi_host_template lpfc_template;
403extern struct scsi_host_template lpfc_template_nvme;
404extern struct fc_function_template lpfc_transport_functions;
405extern struct fc_function_template lpfc_vport_transport_functions;
406
407int  lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t);
408int  lpfc_vport_symbolic_port_name(struct lpfc_vport *, char *,	size_t);
409void lpfc_terminate_rport_io(struct fc_rport *);
410void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
411
412struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *);
413int  lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
414int lpfc_mbx_unreg_vpi(struct lpfc_vport *);
415void destroy_port(struct lpfc_vport *);
416int lpfc_get_instance(void);
417void lpfc_host_attrib_init(struct Scsi_Host *);
418
419extern void lpfc_debugfs_initialize(struct lpfc_vport *);
420extern void lpfc_debugfs_terminate(struct lpfc_vport *);
421extern void lpfc_debugfs_disc_trc(struct lpfc_vport *, int, char *, uint32_t,
422				  uint32_t, uint32_t);
423extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t,
424				       uint32_t, uint32_t);
425extern void lpfc_debugfs_nvme_trc(struct lpfc_hba *phba, char *fmt,
426				uint16_t data1, uint16_t data2, uint32_t data3);
427extern struct lpfc_hbq_init *lpfc_hbq_defs[];
428
429/* SLI4 if_type 2 externs. */
430int lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *);
431int lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *);
432int lpfc_sli4_get_allocated_extnts(struct lpfc_hba *, uint16_t,
433				   uint16_t *, uint16_t *);
434int lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *, uint16_t,
435					  uint16_t *, uint16_t *);
436
437/* Interface exported by fabric iocb scheduler */
438void lpfc_fabric_abort_nport(struct lpfc_nodelist *);
439void lpfc_fabric_abort_hba(struct lpfc_hba *);
440void lpfc_fabric_block_timeout(struct timer_list *);
441void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
442void lpfc_rampdown_queue_depth(struct lpfc_hba *);
443void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
444void lpfc_scsi_dev_block(struct lpfc_hba *);
445
446void
447lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *,
448				struct lpfc_iocbq *);
449struct lpfc_fast_path_event *lpfc_alloc_fast_evt(struct lpfc_hba *);
450void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *);
451void lpfc_create_static_vport(struct lpfc_hba *);
452void lpfc_stop_hba_timers(struct lpfc_hba *);
453void lpfc_stop_port(struct lpfc_hba *);
454void __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *);
455void lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *);
456void lpfc_parse_fcoe_conf(struct lpfc_hba *, uint8_t *, uint32_t);
457int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
458void lpfc_start_fdiscs(struct lpfc_hba *phba);
459struct lpfc_vport *lpfc_find_vport_by_vpid(struct lpfc_hba *, uint16_t);
460struct lpfc_sglq *__lpfc_get_active_sglq(struct lpfc_hba *, uint16_t);
461#define HBA_EVENT_RSCN                   5
462#define HBA_EVENT_LINK_UP                2
463#define HBA_EVENT_LINK_DOWN              3
464
465/* functions to support SGIOv4/bsg interface */
466int lpfc_bsg_request(struct bsg_job *);
467int lpfc_bsg_timeout(struct bsg_job *);
468int lpfc_bsg_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
469			     struct lpfc_iocbq *);
470int lpfc_bsg_ct_unsol_abort(struct lpfc_hba *, struct hbq_dmabuf *);
471void __lpfc_sli_ringtx_put(struct lpfc_hba *, struct lpfc_sli_ring *,
472	struct lpfc_iocbq *);
473struct lpfc_iocbq *lpfc_sli_ringtx_get(struct lpfc_hba *,
474	struct lpfc_sli_ring *);
475int __lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
476	struct lpfc_iocbq *, uint32_t);
477uint32_t lpfc_drain_txq(struct lpfc_hba *);
478void lpfc_clr_rrq_active(struct lpfc_hba *, uint16_t, struct lpfc_node_rrq *);
479int lpfc_test_rrq_active(struct lpfc_hba *, struct lpfc_nodelist *, uint16_t);
480void lpfc_handle_rrq_active(struct lpfc_hba *);
481int lpfc_send_rrq(struct lpfc_hba *, struct lpfc_node_rrq *);
482int lpfc_set_rrq_active(struct lpfc_hba *, struct lpfc_nodelist *,
483	uint16_t, uint16_t, uint16_t);
484uint16_t lpfc_sli4_xri_inrange(struct lpfc_hba *, uint16_t);
485void lpfc_cleanup_vports_rrqs(struct lpfc_vport *, struct lpfc_nodelist *);
486struct lpfc_node_rrq *lpfc_get_active_rrq(struct lpfc_vport *, uint16_t,
487	uint32_t);
488void lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba *, enum nemb_type,
489	enum mbox_type, enum dma_type, enum sta_type,
490	struct lpfc_dmabuf *, uint32_t);
491void lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba *, MAILBOX_t *);
492int lpfc_wr_object(struct lpfc_hba *, struct list_head *, uint32_t, uint32_t *);
493/* functions to support SR-IOV */
494int lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *, int);
495uint16_t lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *);
496int lpfc_sli4_queue_create(struct lpfc_hba *);
497void lpfc_sli4_queue_destroy(struct lpfc_hba *);
498void lpfc_sli4_abts_err_handler(struct lpfc_hba *, struct lpfc_nodelist *,
499				struct sli4_wcqe_xri_aborted *);
500void lpfc_sli_abts_recover_port(struct lpfc_vport *,
501				struct lpfc_nodelist *);
502int lpfc_hba_init_link_fc_topology(struct lpfc_hba *, uint32_t, uint32_t);
503int lpfc_issue_reg_vfi(struct lpfc_vport *);
504int lpfc_issue_unreg_vfi(struct lpfc_vport *);
505int lpfc_selective_reset(struct lpfc_hba *);
506int lpfc_sli4_read_config(struct lpfc_hba *);
507void lpfc_sli4_node_prep(struct lpfc_hba *);
508int lpfc_sli4_els_sgl_update(struct lpfc_hba *phba);
509int lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba);
510int lpfc_io_buf_flush(struct lpfc_hba *phba, struct list_head *sglist);
511int lpfc_io_buf_replenish(struct lpfc_hba *phba, struct list_head *cbuf);
512int lpfc_sli4_io_sgl_update(struct lpfc_hba *phba);
513int lpfc_sli4_post_io_sgl_list(struct lpfc_hba *phba,
514		struct list_head *blist, int xricnt);
515int lpfc_new_io_buf(struct lpfc_hba *phba, int num_to_alloc);
516void lpfc_io_free(struct lpfc_hba *phba);
517void lpfc_free_sgl_list(struct lpfc_hba *, struct list_head *);
518uint32_t lpfc_sli_port_speed_get(struct lpfc_hba *);
519int lpfc_sli4_request_firmware_update(struct lpfc_hba *, uint8_t);
520void lpfc_sli4_offline_eratt(struct lpfc_hba *);
521
522struct lpfc_device_data *lpfc_create_device_data(struct lpfc_hba *,
523						struct lpfc_name *,
524						struct lpfc_name *,
525						uint64_t, uint32_t,  bool);
526void lpfc_delete_device_data(struct lpfc_hba *, struct lpfc_device_data*);
527struct lpfc_device_data *__lpfc_get_device_data(struct lpfc_hba *,
528					struct list_head *list,
529					struct lpfc_name *,
530					struct lpfc_name *, uint64_t);
531bool lpfc_enable_oas_lun(struct lpfc_hba *, struct lpfc_name *,
532			 struct lpfc_name *, uint64_t, uint8_t);
533bool lpfc_disable_oas_lun(struct lpfc_hba *, struct lpfc_name *,
534			  struct lpfc_name *, uint64_t, uint8_t);
535bool lpfc_find_next_oas_lun(struct lpfc_hba *, struct lpfc_name *,
536			    struct lpfc_name *, uint64_t *, struct lpfc_name *,
537			    struct lpfc_name *, uint64_t *,
538			    uint32_t *, uint32_t *);
539int lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox);
540void lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb);
541
542/* RAS Interface */
543void lpfc_sli4_ras_init(struct lpfc_hba *phba);
544void lpfc_sli4_ras_setup(struct lpfc_hba *phba);
545int  lpfc_sli4_ras_fwlog_init(struct lpfc_hba *phba, uint32_t fwlog_level,
546			 uint32_t fwlog_enable);
547void lpfc_ras_stop_fwlog(struct lpfc_hba *phba);
548int lpfc_check_fwlog_support(struct lpfc_hba *phba);
549
550/* NVME interfaces. */
551void lpfc_nvme_rescan_port(struct lpfc_vport *vport,
552			   struct lpfc_nodelist *ndlp);
553void lpfc_nvme_unregister_port(struct lpfc_vport *vport,
554			struct lpfc_nodelist *ndlp);
555int lpfc_nvme_register_port(struct lpfc_vport *vport,
556			struct lpfc_nodelist *ndlp);
557int lpfc_nvme_create_localport(struct lpfc_vport *vport);
558void lpfc_nvme_destroy_localport(struct lpfc_vport *vport);
559void lpfc_nvme_update_localport(struct lpfc_vport *vport);
560int lpfc_nvmet_create_targetport(struct lpfc_hba *phba);
561int lpfc_nvmet_update_targetport(struct lpfc_hba *phba);
562void lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba);
563int lpfc_nvme_handle_lsreq(struct lpfc_hba *phba,
564			struct lpfc_async_xchg_ctx *axchg);
565int lpfc_nvmet_handle_lsreq(struct lpfc_hba *phba,
566			struct lpfc_async_xchg_ctx *axchg);
567void lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, uint32_t idx,
568				struct rqb_dmabuf *nvmebuf, uint64_t isr_ts,
569				uint8_t cqflag);
570void lpfc_nvme_mod_param_dep(struct lpfc_hba *phba);
571void lpfc_nvmet_invalidate_host(struct lpfc_hba *phba,
572			struct lpfc_nodelist *ndlp);
573void lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba,
574				struct lpfc_iocbq *cmdiocb,
575				struct lpfc_wcqe_complete *abts_cmpl);
576void lpfc_create_multixri_pools(struct lpfc_hba *phba);
577void lpfc_create_destroy_pools(struct lpfc_hba *phba);
578void lpfc_move_xri_pvt_to_pbl(struct lpfc_hba *phba, u32 hwqid);
579void lpfc_move_xri_pbl_to_pvt(struct lpfc_hba *phba, u32 hwqid, u32 cnt);
580void lpfc_adjust_high_watermark(struct lpfc_hba *phba, u32 hwqid);
581void lpfc_keep_pvt_pool_above_lowwm(struct lpfc_hba *phba, u32 hwqid);
582void lpfc_adjust_pvt_pool_count(struct lpfc_hba *phba, u32 hwqid);
583#ifdef LPFC_MXP_STAT
584void lpfc_snapshot_mxp(struct lpfc_hba *, u32);
585#endif
586struct lpfc_io_buf *lpfc_get_io_buf(struct lpfc_hba *phba,
587				struct lpfc_nodelist *ndlp, u32 hwqid,
588				int);
589void lpfc_release_io_buf(struct lpfc_hba *phba, struct lpfc_io_buf *ncmd,
590			 struct lpfc_sli4_hdw_queue *qp);
591void lpfc_io_ktime(struct lpfc_hba *phba, struct lpfc_io_buf *ncmd);
592void lpfc_nvme_cmd_template(void);
593void lpfc_nvmet_cmd_template(void);
594void lpfc_nvme_cancel_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn);
595void lpfc_nvme_prep_abort_wqe(struct lpfc_iocbq *pwqeq, u16 xritag, u8 opt);
596extern int lpfc_enable_nvmet_cnt;
597extern unsigned long long lpfc_enable_nvmet[];
598extern int lpfc_no_hba_reset_cnt;
599extern unsigned long lpfc_no_hba_reset[];
600