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