1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
8 * This program is free software; you can redistribute it and/or *
9 * modify it under the terms of version 2 of the GNU General *
10 * Public License as published by the Free Software Foundation. *
11 * This program is distributed in the hope that it will be useful. *
12 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
13 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
14 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
15 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
16 * TO BE LEGALLY INVALID. See the GNU General Public License for *
17 * more details, a copy of which can be found in the file COPYING *
18 * included with this package. *
19 *******************************************************************/
21 typedef int (*node_filter)(struct lpfc_nodelist *ndlp, void *param);
24 void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
25 void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
26 void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *);
27 int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
28 struct lpfc_dmabuf *mp);
29 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
30 void lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport);
31 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
32 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int);
33 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
34 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
35 int lpfc_reg_login(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *,
36 LPFC_MBOXQ_t *, uint32_t);
37 void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
38 void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
39 void lpfc_reg_vpi(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
40 void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
41 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
43 struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
44 void lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove);
45 int lpfc_linkdown(struct lpfc_hba *);
46 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
48 void lpfc_mbx_cmpl_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
49 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
50 void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
51 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
52 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
53 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
54 void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *);
55 void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int);
56 void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
57 void lpfc_set_disctmo(struct lpfc_vport *);
58 int lpfc_can_disctmo(struct lpfc_vport *);
59 int lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *);
60 void lpfc_unreg_all_rpis(struct lpfc_vport *);
61 void lpfc_unreg_default_rpis(struct lpfc_vport *);
62 void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
64 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
65 struct lpfc_iocbq *, struct lpfc_nodelist *);
66 void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t);
67 struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
68 int lpfc_nlp_put(struct lpfc_nodelist *);
69 struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t);
70 void lpfc_disc_list_loopmap(struct lpfc_vport *);
71 void lpfc_disc_start(struct lpfc_vport *);
72 void lpfc_disc_flush_list(struct lpfc_vport *);
73 void lpfc_cleanup_discovery_resources(struct lpfc_vport *);
74 void lpfc_disc_timeout(unsigned long);
76 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
77 struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
79 void lpfc_worker_wake_up(struct lpfc_hba *);
80 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
81 int lpfc_do_work(void *);
82 int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *,
85 void lpfc_register_new_vport(struct lpfc_hba *, struct lpfc_vport *,
86 struct lpfc_nodelist *);
87 void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
88 int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
89 struct serv_parm *, uint32_t);
90 int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
91 int lpfc_els_chk_latt(struct lpfc_vport *);
92 int lpfc_els_abort_flogi(struct lpfc_hba *);
93 int lpfc_initial_flogi(struct lpfc_vport *);
94 int lpfc_initial_fdisc(struct lpfc_vport *);
95 int lpfc_issue_els_fdisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
96 int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t);
97 int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
98 int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
99 int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
100 int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
101 int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t);
102 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
103 int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
104 int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
105 struct lpfc_nodelist *, LPFC_MBOXQ_t *);
106 int lpfc_els_rsp_reject(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
107 struct lpfc_nodelist *, LPFC_MBOXQ_t *);
108 int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *,
109 struct lpfc_nodelist *);
110 int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *,
111 struct lpfc_nodelist *);
112 void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *);
113 void lpfc_els_retry_delay(unsigned long);
114 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
115 void lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *);
116 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
117 struct lpfc_iocbq *);
118 int lpfc_els_handle_rscn(struct lpfc_vport *);
119 void lpfc_els_flush_rscn(struct lpfc_vport *);
120 int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t);
121 void lpfc_els_flush_all_cmd(struct lpfc_hba *);
122 void lpfc_els_flush_cmd(struct lpfc_vport *);
123 int lpfc_els_disc_adisc(struct lpfc_vport *);
124 int lpfc_els_disc_plogi(struct lpfc_vport *);
125 void lpfc_els_timeout(unsigned long);
126 void lpfc_els_timeout_handler(struct lpfc_vport *);
127 void lpfc_hb_timeout(unsigned long);
128 void lpfc_hb_timeout_handler(struct lpfc_hba *);
130 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
131 struct lpfc_iocbq *);
132 int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
133 int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int);
134 void lpfc_fdmi_tmo(unsigned long);
135 void lpfc_fdmi_timeout_handler(struct lpfc_vport *vport);
137 int lpfc_config_port_prep(struct lpfc_hba *);
138 int lpfc_config_port_post(struct lpfc_hba *);
139 int lpfc_hba_down_prep(struct lpfc_hba *);
140 int lpfc_hba_down_post(struct lpfc_hba *);
141 void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
142 int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int, int);
143 void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
144 int lpfc_online(struct lpfc_hba *);
145 void lpfc_block_mgmt_io(struct lpfc_hba *);
146 void lpfc_unblock_mgmt_io(struct lpfc_hba *);
147 void lpfc_offline_prep(struct lpfc_hba *);
148 void lpfc_offline(struct lpfc_hba *);
150 int lpfc_sli_setup(struct lpfc_hba *);
151 int lpfc_sli_queue_setup(struct lpfc_hba *);
153 void lpfc_handle_eratt(struct lpfc_hba *);
154 void lpfc_handle_latt(struct lpfc_hba *);
155 irqreturn_t lpfc_intr_handler(int, void *);
157 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
158 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
159 void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
160 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
161 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
162 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
163 void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
164 int lpfc_mbox_tmo_val(struct lpfc_hba *, int);
166 void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *,
167 uint32_t , LPFC_MBOXQ_t *);
168 struct lpfc_hbq_entry * lpfc_sli_next_hbq_slot(struct lpfc_hba *, uint32_t);
169 struct hbq_dmabuf *lpfc_els_hbq_alloc(struct lpfc_hba *);
170 void lpfc_els_hbq_free(struct lpfc_hba *, struct hbq_dmabuf *);
172 int lpfc_mem_alloc(struct lpfc_hba *);
173 void lpfc_mem_free(struct lpfc_hba *);
174 void lpfc_stop_vport_timers(struct lpfc_vport *);
176 void lpfc_poll_timeout(unsigned long ptr);
177 void lpfc_poll_start_timer(struct lpfc_hba * phba);
178 void lpfc_sli_poll_fcp_ring(struct lpfc_hba * hba);
179 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
180 void lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
181 void __lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
182 uint16_t lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
184 void lpfc_reset_barrier(struct lpfc_hba * phba);
185 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
186 int lpfc_sli_brdkill(struct lpfc_hba *);
187 int lpfc_sli_brdreset(struct lpfc_hba *);
188 int lpfc_sli_brdrestart(struct lpfc_hba *);
189 int lpfc_sli_hba_setup(struct lpfc_hba *);
190 int lpfc_sli_host_down(struct lpfc_vport *);
191 int lpfc_sli_hba_down(struct lpfc_hba *);
192 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
193 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
194 int lpfc_sli_flush_mbox_queue(struct lpfc_hba *);
195 int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
196 struct lpfc_sli_ring *, uint32_t);
197 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
198 int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *,
199 struct lpfc_iocbq *, uint32_t);
200 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
201 void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
202 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
203 struct lpfc_dmabuf *);
204 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
205 struct lpfc_sli_ring *,
207 int lpfc_sli_hbq_count(void);
208 int lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *, uint32_t);
209 int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t);
210 void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *);
211 struct hbq_dmabuf *lpfc_sli_hbqbuf_find(struct lpfc_hba *, uint32_t);
212 int lpfc_sli_hbq_size(void);
213 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
214 struct lpfc_iocbq *);
215 int lpfc_sli_sum_iocb(struct lpfc_vport *, uint16_t, uint64_t, lpfc_ctx_cmd);
216 int lpfc_sli_abort_iocb(struct lpfc_vport *, struct lpfc_sli_ring *, uint16_t,
217 uint64_t, lpfc_ctx_cmd);
219 void lpfc_mbox_timeout(unsigned long);
220 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
222 struct lpfc_nodelist *__lpfc_find_node(struct lpfc_vport *, node_filter,
224 struct lpfc_nodelist *lpfc_find_node(struct lpfc_vport *, node_filter, void *);
225 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
226 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
229 int lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq,
232 int lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba,
233 struct lpfc_sli_ring * pring,
234 struct lpfc_iocbq * piocb,
235 struct lpfc_iocbq * prspiocbq,
237 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba * phba,
238 struct lpfc_iocbq * cmdiocb,
239 struct lpfc_iocbq * rspiocb);
241 void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
243 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
244 void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
245 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
247 void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);
248 /* Function prototypes. */
249 const char* lpfc_info(struct Scsi_Host *);
250 int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
252 void lpfc_get_cfgparam(struct lpfc_hba *);
253 void lpfc_get_vport_cfgparam(struct lpfc_vport *);
254 int lpfc_alloc_sysfs_attr(struct lpfc_vport *);
255 void lpfc_free_sysfs_attr(struct lpfc_vport *);
256 extern struct class_device_attribute *lpfc_hba_attrs[];
257 extern struct class_device_attribute *lpfc_vport_attrs[];
258 extern struct scsi_host_template lpfc_template;
259 extern struct scsi_host_template lpfc_vport_template;
260 extern struct fc_function_template lpfc_transport_functions;
261 extern struct fc_function_template lpfc_vport_transport_functions;
262 extern int lpfc_sli_mode;
264 int lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t);
265 void lpfc_terminate_rport_io(struct fc_rport *);
266 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
268 struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *);
269 int lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
270 void lpfc_mbx_unreg_vpi(struct lpfc_vport *);
271 void destroy_port(struct lpfc_vport *);
272 int lpfc_get_instance(void);
273 void lpfc_host_attrib_init(struct Scsi_Host *);
275 extern void lpfc_debugfs_initialize(struct lpfc_vport *);
276 extern void lpfc_debugfs_terminate(struct lpfc_vport *);
277 extern void lpfc_debugfs_disc_trc(struct lpfc_vport *, int, char *, uint32_t,
279 extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t,
282 /* Interface exported by fabric iocb scheduler */
283 int lpfc_issue_fabric_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
284 void lpfc_fabric_abort_vport(struct lpfc_vport *);
285 void lpfc_fabric_abort_nport(struct lpfc_nodelist *);
286 void lpfc_fabric_abort_hba(struct lpfc_hba *);
287 void lpfc_fabric_abort_flogi(struct lpfc_hba *);
288 void lpfc_fabric_block_timeout(unsigned long);
289 void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
290 void lpfc_adjust_queue_depth(struct lpfc_hba *);
291 void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
292 void lpfc_ramp_up_queue_handler(struct lpfc_hba *);
294 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
295 #define HBA_EVENT_RSCN 5
296 #define HBA_EVENT_LINK_UP 2
297 #define HBA_EVENT_LINK_DOWN 3