1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2008 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 *, void *);
24 void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
25 void lpfc_dump_wakeup_param(struct lpfc_hba *, LPFC_MBOXQ_t *);
26 void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
27 void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
29 void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *);
30 int lpfc_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *, struct lpfc_dmabuf *);
31 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
32 void lpfc_issue_clear_la(struct lpfc_hba *, struct lpfc_vport *);
33 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
34 int lpfc_config_msi(struct lpfc_hba *, LPFC_MBOXQ_t *);
35 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int);
36 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
37 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
38 int lpfc_reg_login(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *,
39 LPFC_MBOXQ_t *, uint32_t);
40 void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
41 void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
42 void lpfc_reg_vpi(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
43 void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
44 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
46 struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
47 void lpfc_cleanup_rpis(struct lpfc_vport *, int);
48 int lpfc_linkdown(struct lpfc_hba *);
49 void lpfc_port_link_failure(struct lpfc_vport *);
50 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
52 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
53 void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
54 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
55 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
56 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
57 void lpfc_enqueue_node(struct lpfc_vport *, struct lpfc_nodelist *);
58 void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *);
59 struct lpfc_nodelist *lpfc_enable_node(struct lpfc_vport *,
60 struct lpfc_nodelist *, int);
61 void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int);
62 void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
63 void lpfc_set_disctmo(struct lpfc_vport *);
64 int lpfc_can_disctmo(struct lpfc_vport *);
65 int lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *);
66 void lpfc_unreg_all_rpis(struct lpfc_vport *);
67 void lpfc_unreg_default_rpis(struct lpfc_vport *);
68 void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
70 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
71 struct lpfc_iocbq *, struct lpfc_nodelist *);
72 void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t);
73 struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
74 int lpfc_nlp_put(struct lpfc_nodelist *);
75 int lpfc_nlp_not_used(struct lpfc_nodelist *ndlp);
76 struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t);
77 void lpfc_disc_list_loopmap(struct lpfc_vport *);
78 void lpfc_disc_start(struct lpfc_vport *);
79 void lpfc_cleanup_discovery_resources(struct lpfc_vport *);
80 void lpfc_cleanup(struct lpfc_vport *);
81 void lpfc_disc_timeout(unsigned long);
83 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
85 void lpfc_worker_wake_up(struct lpfc_hba *);
86 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
87 int lpfc_do_work(void *);
88 int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *,
91 void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
92 int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
93 struct serv_parm *, uint32_t);
94 int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
95 void lpfc_more_plogi(struct lpfc_vport *);
96 void lpfc_more_adisc(struct lpfc_vport *);
97 void lpfc_end_rscn(struct lpfc_vport *);
98 int lpfc_els_chk_latt(struct lpfc_vport *);
99 int lpfc_els_abort_flogi(struct lpfc_hba *);
100 int lpfc_initial_flogi(struct lpfc_vport *);
101 int lpfc_initial_fdisc(struct lpfc_vport *);
102 int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t);
103 int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
104 int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
105 int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
106 int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
107 int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t);
108 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
109 int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
110 int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
111 struct lpfc_nodelist *, LPFC_MBOXQ_t *);
112 int lpfc_els_rsp_reject(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
113 struct lpfc_nodelist *, LPFC_MBOXQ_t *);
114 int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *,
115 struct lpfc_nodelist *);
116 int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *,
117 struct lpfc_nodelist *);
118 void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *);
119 void lpfc_els_retry_delay(unsigned long);
120 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
121 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
122 struct lpfc_iocbq *);
123 int lpfc_els_handle_rscn(struct lpfc_vport *);
124 void lpfc_els_flush_rscn(struct lpfc_vport *);
125 int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t);
126 void lpfc_els_flush_all_cmd(struct lpfc_hba *);
127 void lpfc_els_flush_cmd(struct lpfc_vport *);
128 int lpfc_els_disc_adisc(struct lpfc_vport *);
129 int lpfc_els_disc_plogi(struct lpfc_vport *);
130 void lpfc_els_timeout(unsigned long);
131 void lpfc_els_timeout_handler(struct lpfc_vport *);
132 void lpfc_hb_timeout_handler(struct lpfc_hba *);
134 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
135 struct lpfc_iocbq *);
136 int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
137 int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int);
138 void lpfc_fdmi_tmo(unsigned long);
139 void lpfc_fdmi_timeout_handler(struct lpfc_vport *);
141 int lpfc_config_port_prep(struct lpfc_hba *);
142 int lpfc_config_port_post(struct lpfc_hba *);
143 int lpfc_hba_down_prep(struct lpfc_hba *);
144 int lpfc_hba_down_post(struct lpfc_hba *);
145 void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
146 int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int);
147 void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
148 int lpfc_online(struct lpfc_hba *);
149 void lpfc_unblock_mgmt_io(struct lpfc_hba *);
150 void lpfc_offline_prep(struct lpfc_hba *);
151 void lpfc_offline(struct lpfc_hba *);
153 int lpfc_sli_setup(struct lpfc_hba *);
154 int lpfc_sli_queue_setup(struct lpfc_hba *);
156 void lpfc_handle_eratt(struct lpfc_hba *);
157 void lpfc_handle_latt(struct lpfc_hba *);
158 irqreturn_t lpfc_intr_handler(int, void *);
159 irqreturn_t lpfc_sp_intr_handler(int, void *);
160 irqreturn_t lpfc_fp_intr_handler(int, void *);
162 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
163 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
164 void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
165 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
166 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
167 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
168 void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
169 int lpfc_mbox_tmo_val(struct lpfc_hba *, int);
171 void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *,
172 uint32_t , LPFC_MBOXQ_t *);
173 struct hbq_dmabuf *lpfc_els_hbq_alloc(struct lpfc_hba *);
174 void lpfc_els_hbq_free(struct lpfc_hba *, struct hbq_dmabuf *);
176 int lpfc_mem_alloc(struct lpfc_hba *);
177 void lpfc_mem_free(struct lpfc_hba *);
178 void lpfc_stop_vport_timers(struct lpfc_vport *);
180 void lpfc_poll_timeout(unsigned long ptr);
181 void lpfc_poll_start_timer(struct lpfc_hba *);
182 void lpfc_poll_eratt(unsigned long);
183 void lpfc_sli_poll_fcp_ring(struct lpfc_hba *);
184 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
185 void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *);
186 uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *);
187 void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t,
190 void lpfc_reset_barrier(struct lpfc_hba * phba);
191 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
192 int lpfc_sli_brdkill(struct lpfc_hba *);
193 int lpfc_sli_brdreset(struct lpfc_hba *);
194 int lpfc_sli_brdrestart(struct lpfc_hba *);
195 int lpfc_sli_hba_setup(struct lpfc_hba *);
196 int lpfc_sli_config_port(struct lpfc_hba *, int);
197 int lpfc_sli_host_down(struct lpfc_vport *);
198 int lpfc_sli_hba_down(struct lpfc_hba *);
199 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
200 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
201 int lpfc_sli_flush_mbox_queue(struct lpfc_hba *);
202 int lpfc_sli_check_eratt(struct lpfc_hba *);
203 int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
204 struct lpfc_sli_ring *, uint32_t);
205 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
206 int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *,
207 struct lpfc_iocbq *, uint32_t);
208 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
209 void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
210 void lpfc_sli_flush_fcp_rings(struct lpfc_hba *);
211 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
212 struct lpfc_dmabuf *);
213 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
214 struct lpfc_sli_ring *,
217 uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba *);
218 struct lpfc_dmabuf * lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *,
219 struct lpfc_sli_ring *, uint32_t );
221 int lpfc_sli_hbq_count(void);
222 int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t);
223 void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *);
224 int lpfc_sli_hbq_size(void);
225 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
226 struct lpfc_iocbq *);
227 int lpfc_sli_sum_iocb(struct lpfc_vport *, uint16_t, uint64_t, lpfc_ctx_cmd);
228 int lpfc_sli_abort_iocb(struct lpfc_vport *, struct lpfc_sli_ring *, uint16_t,
229 uint64_t, lpfc_ctx_cmd);
231 void lpfc_mbox_timeout(unsigned long);
232 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
234 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
235 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
238 int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
240 int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, struct lpfc_sli_ring *,
241 struct lpfc_iocbq *, struct lpfc_iocbq *,
243 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *,
244 struct lpfc_iocbq *);
246 void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
248 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
249 void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
250 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
252 void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);
253 /* Function prototypes. */
254 const char* lpfc_info(struct Scsi_Host *);
255 int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
257 void lpfc_get_cfgparam(struct lpfc_hba *);
258 void lpfc_get_vport_cfgparam(struct lpfc_vport *);
259 int lpfc_alloc_sysfs_attr(struct lpfc_vport *);
260 void lpfc_free_sysfs_attr(struct lpfc_vport *);
261 extern struct device_attribute *lpfc_hba_attrs[];
262 extern struct device_attribute *lpfc_vport_attrs[];
263 extern struct scsi_host_template lpfc_template;
264 extern struct scsi_host_template lpfc_vport_template;
265 extern struct fc_function_template lpfc_transport_functions;
266 extern struct fc_function_template lpfc_vport_transport_functions;
267 extern int lpfc_sli_mode;
268 extern int lpfc_enable_npiv;
270 int lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t);
271 int lpfc_vport_symbolic_port_name(struct lpfc_vport *, char *, size_t);
272 void lpfc_terminate_rport_io(struct fc_rport *);
273 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
275 struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *);
276 int lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
277 int lpfc_mbx_unreg_vpi(struct lpfc_vport *);
278 void destroy_port(struct lpfc_vport *);
279 int lpfc_get_instance(void);
280 void lpfc_host_attrib_init(struct Scsi_Host *);
282 extern void lpfc_debugfs_initialize(struct lpfc_vport *);
283 extern void lpfc_debugfs_terminate(struct lpfc_vport *);
284 extern void lpfc_debugfs_disc_trc(struct lpfc_vport *, int, char *, uint32_t,
286 extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t,
288 extern struct lpfc_hbq_init *lpfc_hbq_defs[];
290 /* externs BlockGuard */
291 extern char *_dump_buf_data;
292 extern unsigned long _dump_buf_data_order;
293 extern char *_dump_buf_dif;
294 extern unsigned long _dump_buf_dif_order;
295 extern spinlock_t _dump_buf_lock;
296 extern int _dump_buf_done;
297 extern spinlock_t pgcnt_lock;
298 extern unsigned int pgcnt;
299 extern unsigned int lpfc_prot_mask;
300 extern unsigned char lpfc_prot_guard;
302 /* Interface exported by fabric iocb scheduler */
303 void lpfc_fabric_abort_nport(struct lpfc_nodelist *);
304 void lpfc_fabric_abort_hba(struct lpfc_hba *);
305 void lpfc_fabric_block_timeout(unsigned long);
306 void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
307 void lpfc_rampdown_queue_depth(struct lpfc_hba *);
308 void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
309 void lpfc_ramp_up_queue_handler(struct lpfc_hba *);
310 void lpfc_scsi_dev_block(struct lpfc_hba *);
313 lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *,
314 struct lpfc_iocbq *);
315 struct lpfc_fast_path_event *lpfc_alloc_fast_evt(struct lpfc_hba *);
316 void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *);
318 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
319 #define HBA_EVENT_RSCN 5
320 #define HBA_EVENT_LINK_UP 2
321 #define HBA_EVENT_LINK_DOWN 3