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 int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
27 struct lpfc_dmabuf *mp);
28 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
29 void lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport);
30 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
31 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int);
32 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
33 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
34 int lpfc_reg_login(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *,
35 LPFC_MBOXQ_t *, uint32_t);
36 void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
37 void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
38 void lpfc_reg_vpi(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
39 void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
40 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
42 void lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove);
43 int lpfc_linkdown(struct lpfc_hba *);
44 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
46 void lpfc_mbx_cmpl_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
47 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
48 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
49 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
50 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
51 void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *);
52 void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int);
53 void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
54 void lpfc_set_disctmo(struct lpfc_vport *);
55 int lpfc_can_disctmo(struct lpfc_vport *);
56 int lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *);
57 void lpfc_unreg_all_rpis(struct lpfc_vport *);
58 void lpfc_unreg_default_rpis(struct lpfc_vport *);
59 void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
61 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
62 struct lpfc_iocbq *, struct lpfc_nodelist *);
63 void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t);
64 struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
65 int lpfc_nlp_put(struct lpfc_nodelist *);
66 struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t);
67 void lpfc_disc_list_loopmap(struct lpfc_vport *);
68 void lpfc_disc_start(struct lpfc_vport *);
69 void lpfc_disc_flush_list(struct lpfc_vport *);
70 void lpfc_cleanup_discovery_resources(struct lpfc_vport *);
71 void lpfc_disc_timeout(unsigned long);
73 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
74 struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
76 void lpfc_worker_wake_up(struct lpfc_hba *);
77 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
78 int lpfc_do_work(void *);
79 int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *,
82 void lpfc_register_new_vport(struct lpfc_hba *, struct lpfc_vport *,
83 struct lpfc_nodelist *);
84 void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
85 int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
86 struct serv_parm *, uint32_t);
87 int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
88 int lpfc_els_abort_flogi(struct lpfc_hba *);
89 int lpfc_initial_flogi(struct lpfc_vport *);
90 int lpfc_initial_fdisc(struct lpfc_vport *);
91 int lpfc_issue_els_fdisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
92 int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t);
93 int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
94 int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
95 int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
96 int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
97 int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t);
98 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
99 int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
100 struct lpfc_nodelist *, LPFC_MBOXQ_t *, uint8_t);
101 int lpfc_els_rsp_reject(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
102 struct lpfc_nodelist *);
103 int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *,
104 struct lpfc_nodelist *);
105 int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *,
106 struct lpfc_nodelist *);
107 void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *);
108 void lpfc_els_retry_delay(unsigned long);
109 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
110 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
111 struct lpfc_iocbq *);
112 int lpfc_els_handle_rscn(struct lpfc_vport *);
113 void lpfc_els_flush_rscn(struct lpfc_vport *);
114 int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t);
115 void lpfc_els_flush_cmd(struct lpfc_vport *);
116 int lpfc_els_disc_adisc(struct lpfc_vport *);
117 int lpfc_els_disc_plogi(struct lpfc_vport *);
118 void lpfc_els_timeout(unsigned long);
119 void lpfc_els_timeout_handler(struct lpfc_vport *);
121 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
122 struct lpfc_iocbq *);
123 int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
124 int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int);
125 void lpfc_fdmi_tmo(unsigned long);
126 void lpfc_fdmi_timeout_handler(struct lpfc_vport *vport);
128 int lpfc_config_port_prep(struct lpfc_hba *);
129 int lpfc_config_port_post(struct lpfc_hba *);
130 int lpfc_hba_down_prep(struct lpfc_hba *);
131 int lpfc_hba_down_post(struct lpfc_hba *);
132 void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
133 int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int, int);
134 void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
135 int lpfc_online(struct lpfc_hba *);
136 void lpfc_block_mgmt_io(struct lpfc_hba *);
137 void lpfc_unblock_mgmt_io(struct lpfc_hba *);
138 void lpfc_offline_prep(struct lpfc_hba *);
139 void lpfc_offline(struct lpfc_hba *);
141 int lpfc_sli_setup(struct lpfc_hba *);
142 int lpfc_sli_queue_setup(struct lpfc_hba *);
144 void lpfc_handle_eratt(struct lpfc_hba *);
145 void lpfc_handle_latt(struct lpfc_hba *);
146 irqreturn_t lpfc_intr_handler(int, void *);
148 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
149 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
150 void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
151 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
152 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
153 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
154 void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
155 int lpfc_mbox_tmo_val(struct lpfc_hba *, int);
157 void lpfc_config_hbq(struct lpfc_hba *, struct lpfc_hbq_init *, uint32_t ,
159 struct lpfc_hbq_entry * lpfc_sli_next_hbq_slot(struct lpfc_hba *, uint32_t);
161 int lpfc_mem_alloc(struct lpfc_hba *);
162 void lpfc_mem_free(struct lpfc_hba *);
163 void lpfc_stop_vport_timers(struct lpfc_vport *);
165 void lpfc_poll_timeout(unsigned long ptr);
166 void lpfc_poll_start_timer(struct lpfc_hba * phba);
167 void lpfc_sli_poll_fcp_ring(struct lpfc_hba * hba);
168 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
169 void lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
170 void __lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
171 uint16_t lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
173 void lpfc_reset_barrier(struct lpfc_hba * phba);
174 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
175 int lpfc_sli_brdkill(struct lpfc_hba *);
176 int lpfc_sli_brdreset(struct lpfc_hba *);
177 int lpfc_sli_brdrestart(struct lpfc_hba *);
178 int lpfc_sli_hba_setup(struct lpfc_hba *);
179 int lpfc_sli_host_down(struct lpfc_vport *);
180 int lpfc_sli_hba_down(struct lpfc_hba *);
181 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
182 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
183 int lpfc_sli_flush_mbox_queue(struct lpfc_hba *);
184 int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
185 struct lpfc_sli_ring *, uint32_t);
186 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
187 int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *,
188 struct lpfc_iocbq *, uint32_t);
189 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
190 void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
191 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
192 struct lpfc_dmabuf *);
193 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
194 struct lpfc_sli_ring *,
196 int lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *, uint32_t);
197 int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t);
198 void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *);
199 struct hbq_dmabuf *lpfc_sli_hbqbuf_find(struct lpfc_hba *, uint32_t);
200 int lpfc_sli_hbq_size(void);
201 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
202 struct lpfc_iocbq *);
203 int lpfc_sli_sum_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t,
204 uint64_t, lpfc_ctx_cmd);
205 int lpfc_sli_abort_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t,
206 uint64_t, uint32_t, lpfc_ctx_cmd);
208 void lpfc_mbox_timeout(unsigned long);
209 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
211 struct lpfc_nodelist *__lpfc_find_node(struct lpfc_vport *, node_filter,
213 struct lpfc_nodelist *lpfc_find_node(struct lpfc_vport *, node_filter, void *);
214 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
215 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
218 int lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq,
221 int lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba,
222 struct lpfc_sli_ring * pring,
223 struct lpfc_iocbq * piocb,
224 struct lpfc_iocbq * prspiocbq,
226 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba * phba,
227 struct lpfc_iocbq * cmdiocb,
228 struct lpfc_iocbq * rspiocb);
230 void *lpfc_hbq_alloc(struct lpfc_hba *, int, dma_addr_t *);
231 void lpfc_hbq_free(struct lpfc_hba *, void *, dma_addr_t);
232 void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
234 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
235 void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
236 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
238 void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);
239 /* Function prototypes. */
240 const char* lpfc_info(struct Scsi_Host *);
241 void lpfc_scan_start(struct Scsi_Host *);
242 int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
244 void lpfc_get_cfgparam(struct lpfc_hba *);
245 int lpfc_alloc_sysfs_attr(struct lpfc_vport *);
246 void lpfc_free_sysfs_attr(struct lpfc_vport *);
247 extern struct class_device_attribute *lpfc_hba_attrs[];
248 extern struct scsi_host_template lpfc_template;
249 extern struct fc_function_template lpfc_transport_functions;
250 extern struct fc_function_template lpfc_vport_transport_functions;
251 extern int lpfc_sli_mode;
252 extern int lpfc_npiv_enable;
254 int lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t);
255 void lpfc_terminate_rport_io(struct fc_rport *);
256 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
258 struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct fc_vport *);
259 int lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
260 void lpfc_mbx_unreg_vpi(struct lpfc_vport *);
261 void destroy_port(struct lpfc_vport *);
262 int lpfc_get_instance(void);
263 void lpfc_host_attrib_init(struct Scsi_Host *);
265 /* Interface exported by fabric iocb scheduler */
266 int lpfc_issue_fabric_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
267 void lpfc_fabric_abort_vport(struct lpfc_vport *);
268 void lpfc_fabric_abort_nport(struct lpfc_nodelist *);
269 void lpfc_fabric_abort_hba(struct lpfc_hba *);
270 void lpfc_fabric_abort_flogi(struct lpfc_hba *);
271 void lpfc_fabric_block_timeout(unsigned long);
272 void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
273 void lpfc_adjust_queue_depth(struct lpfc_hba *);
274 void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
275 void lpfc_ramp_up_queue_handler(struct lpfc_hba *);
277 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
278 #define HBA_EVENT_RSCN 5
279 #define HBA_EVENT_LINK_UP 2
280 #define HBA_EVENT_LINK_DOWN 3