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_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
* phba
, LPFC_MBOXQ_t
* pmb
,
30 struct lpfc_dmabuf
*mp
);
31 void lpfc_clear_la(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
32 void lpfc_issue_clear_la(struct lpfc_hba
*phba
, struct lpfc_vport
*vport
);
33 void lpfc_config_link(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
*vport
, int remove
);
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_dequeue_node(struct lpfc_vport
*, struct lpfc_nodelist
*);
57 void lpfc_nlp_set_state(struct lpfc_vport
*, struct lpfc_nodelist
*, int);
58 void lpfc_drop_node(struct lpfc_vport
*, struct lpfc_nodelist
*);
59 void lpfc_set_disctmo(struct lpfc_vport
*);
60 int lpfc_can_disctmo(struct lpfc_vport
*);
61 int lpfc_unreg_rpi(struct lpfc_vport
*, struct lpfc_nodelist
*);
62 void lpfc_unreg_all_rpis(struct lpfc_vport
*);
63 void lpfc_unreg_default_rpis(struct lpfc_vport
*);
64 void lpfc_issue_reg_vpi(struct lpfc_hba
*, struct lpfc_vport
*);
66 int lpfc_check_sli_ndlp(struct lpfc_hba
*, struct lpfc_sli_ring
*,
67 struct lpfc_iocbq
*, struct lpfc_nodelist
*);
68 void lpfc_nlp_init(struct lpfc_vport
*, struct lpfc_nodelist
*, uint32_t);
69 struct lpfc_nodelist
*lpfc_nlp_get(struct lpfc_nodelist
*);
70 int lpfc_nlp_put(struct lpfc_nodelist
*);
71 int lpfc_nlp_not_used(struct lpfc_nodelist
*ndlp
);
72 struct lpfc_nodelist
*lpfc_setup_disc_node(struct lpfc_vport
*, uint32_t);
73 void lpfc_disc_list_loopmap(struct lpfc_vport
*);
74 void lpfc_disc_start(struct lpfc_vport
*);
75 void lpfc_cleanup_discovery_resources(struct lpfc_vport
*);
76 void lpfc_cleanup(struct lpfc_vport
*);
77 void lpfc_disc_timeout(unsigned long);
79 struct lpfc_nodelist
*__lpfc_findnode_rpi(struct lpfc_vport
*, uint16_t);
81 void lpfc_worker_wake_up(struct lpfc_hba
*);
82 int lpfc_workq_post_event(struct lpfc_hba
*, void *, void *, uint32_t);
83 int lpfc_do_work(void *);
84 int lpfc_disc_state_machine(struct lpfc_vport
*, struct lpfc_nodelist
*, void *,
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 void lpfc_more_plogi(struct lpfc_vport
*);
92 void lpfc_end_rscn(struct lpfc_vport
*);
93 int lpfc_els_chk_latt(struct lpfc_vport
*);
94 int lpfc_els_abort_flogi(struct lpfc_hba
*);
95 int lpfc_initial_flogi(struct lpfc_vport
*);
96 int lpfc_initial_fdisc(struct lpfc_vport
*);
97 int lpfc_issue_els_plogi(struct lpfc_vport
*, uint32_t, uint8_t);
98 int lpfc_issue_els_prli(struct lpfc_vport
*, struct lpfc_nodelist
*, uint8_t);
99 int lpfc_issue_els_adisc(struct lpfc_vport
*, struct lpfc_nodelist
*, uint8_t);
100 int lpfc_issue_els_logo(struct lpfc_vport
*, struct lpfc_nodelist
*, uint8_t);
101 int lpfc_issue_els_npiv_logo(struct lpfc_vport
*, struct lpfc_nodelist
*);
102 int lpfc_issue_els_scr(struct lpfc_vport
*, uint32_t, uint8_t);
103 int lpfc_els_free_iocb(struct lpfc_hba
*, struct lpfc_iocbq
*);
104 int lpfc_ct_free_iocb(struct lpfc_hba
*, struct lpfc_iocbq
*);
105 int lpfc_els_rsp_acc(struct lpfc_vport
*, uint32_t, struct lpfc_iocbq
*,
106 struct lpfc_nodelist
*, LPFC_MBOXQ_t
*);
107 int lpfc_els_rsp_reject(struct lpfc_vport
*, uint32_t, struct lpfc_iocbq
*,
108 struct lpfc_nodelist
*, LPFC_MBOXQ_t
*);
109 int lpfc_els_rsp_adisc_acc(struct lpfc_vport
*, struct lpfc_iocbq
*,
110 struct lpfc_nodelist
*);
111 int lpfc_els_rsp_prli_acc(struct lpfc_vport
*, struct lpfc_iocbq
*,
112 struct lpfc_nodelist
*);
113 void lpfc_cancel_retry_delay_tmo(struct lpfc_vport
*, struct lpfc_nodelist
*);
114 void lpfc_els_retry_delay(unsigned long);
115 void lpfc_els_retry_delay_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_handler(struct lpfc_hba
*);
129 void lpfc_ct_unsol_event(struct lpfc_hba
*, struct lpfc_sli_ring
*,
130 struct lpfc_iocbq
*);
131 int lpfc_ns_cmd(struct lpfc_vport
*, int, uint8_t, uint32_t);
132 int lpfc_fdmi_cmd(struct lpfc_vport
*, struct lpfc_nodelist
*, int);
133 void lpfc_fdmi_tmo(unsigned long);
134 void lpfc_fdmi_timeout_handler(struct lpfc_vport
*vport
);
136 int lpfc_config_port_prep(struct lpfc_hba
*);
137 int lpfc_config_port_post(struct lpfc_hba
*);
138 int lpfc_hba_down_prep(struct lpfc_hba
*);
139 int lpfc_hba_down_post(struct lpfc_hba
*);
140 void lpfc_hba_init(struct lpfc_hba
*, uint32_t *);
141 int lpfc_post_buffer(struct lpfc_hba
*, struct lpfc_sli_ring
*, int, int);
142 void lpfc_decode_firmware_rev(struct lpfc_hba
*, char *, int);
143 int lpfc_online(struct lpfc_hba
*);
144 void lpfc_unblock_mgmt_io(struct lpfc_hba
*);
145 void lpfc_offline_prep(struct lpfc_hba
*);
146 void lpfc_offline(struct lpfc_hba
*);
148 int lpfc_sli_setup(struct lpfc_hba
*);
149 int lpfc_sli_queue_setup(struct lpfc_hba
*);
151 void lpfc_handle_eratt(struct lpfc_hba
*);
152 void lpfc_handle_latt(struct lpfc_hba
*);
153 irqreturn_t
lpfc_intr_handler(int, void *);
155 void lpfc_read_rev(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
156 void lpfc_config_ring(struct lpfc_hba
*, int, LPFC_MBOXQ_t
*);
157 void lpfc_config_port(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
158 void lpfc_kill_board(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
159 void lpfc_mbox_put(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
160 LPFC_MBOXQ_t
*lpfc_mbox_get(struct lpfc_hba
*);
161 void lpfc_mbox_cmpl_put(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
162 int lpfc_mbox_tmo_val(struct lpfc_hba
*, int);
164 void lpfc_config_hbq(struct lpfc_hba
*, uint32_t, struct lpfc_hbq_init
*,
165 uint32_t , LPFC_MBOXQ_t
*);
166 struct hbq_dmabuf
*lpfc_els_hbq_alloc(struct lpfc_hba
*);
167 void lpfc_els_hbq_free(struct lpfc_hba
*, struct hbq_dmabuf
*);
169 int lpfc_mem_alloc(struct lpfc_hba
*);
170 void lpfc_mem_free(struct lpfc_hba
*);
171 void lpfc_stop_vport_timers(struct lpfc_vport
*);
173 void lpfc_poll_timeout(unsigned long ptr
);
174 void lpfc_poll_start_timer(struct lpfc_hba
* phba
);
175 void lpfc_sli_poll_fcp_ring(struct lpfc_hba
* hba
);
176 struct lpfc_iocbq
* lpfc_sli_get_iocbq(struct lpfc_hba
*);
177 void lpfc_sli_release_iocbq(struct lpfc_hba
* phba
, struct lpfc_iocbq
* iocb
);
178 uint16_t lpfc_sli_next_iotag(struct lpfc_hba
* phba
, struct lpfc_iocbq
* iocb
);
180 void lpfc_reset_barrier(struct lpfc_hba
* phba
);
181 int lpfc_sli_brdready(struct lpfc_hba
*, uint32_t);
182 int lpfc_sli_brdkill(struct lpfc_hba
*);
183 int lpfc_sli_brdreset(struct lpfc_hba
*);
184 int lpfc_sli_brdrestart(struct lpfc_hba
*);
185 int lpfc_sli_hba_setup(struct lpfc_hba
*);
186 int lpfc_sli_host_down(struct lpfc_vport
*);
187 int lpfc_sli_hba_down(struct lpfc_hba
*);
188 int lpfc_sli_issue_mbox(struct lpfc_hba
*, LPFC_MBOXQ_t
*, uint32_t);
189 int lpfc_sli_handle_mb_event(struct lpfc_hba
*);
190 int lpfc_sli_flush_mbox_queue(struct lpfc_hba
*);
191 int lpfc_sli_handle_slow_ring_event(struct lpfc_hba
*,
192 struct lpfc_sli_ring
*, uint32_t);
193 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
194 int lpfc_sli_issue_iocb(struct lpfc_hba
*, struct lpfc_sli_ring
*,
195 struct lpfc_iocbq
*, uint32_t);
196 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
197 void lpfc_sli_abort_iocb_ring(struct lpfc_hba
*, struct lpfc_sli_ring
*);
198 int lpfc_sli_ringpostbuf_put(struct lpfc_hba
*, struct lpfc_sli_ring
*,
199 struct lpfc_dmabuf
*);
200 struct lpfc_dmabuf
*lpfc_sli_ringpostbuf_get(struct lpfc_hba
*,
201 struct lpfc_sli_ring
*,
204 uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba
*);
205 struct lpfc_dmabuf
* lpfc_sli_ring_taggedbuf_get(struct lpfc_hba
*,
206 struct lpfc_sli_ring
*, uint32_t );
208 int lpfc_sli_hbq_count(void);
209 int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba
*, uint32_t);
210 void lpfc_sli_hbqbuf_free_all(struct lpfc_hba
*);
211 int lpfc_sli_hbq_size(void);
212 int lpfc_sli_issue_abort_iotag(struct lpfc_hba
*, struct lpfc_sli_ring
*,
213 struct lpfc_iocbq
*);
214 int lpfc_sli_sum_iocb(struct lpfc_vport
*, uint16_t, uint64_t, lpfc_ctx_cmd
);
215 int lpfc_sli_abort_iocb(struct lpfc_vport
*, struct lpfc_sli_ring
*, uint16_t,
216 uint64_t, lpfc_ctx_cmd
);
218 void lpfc_mbox_timeout(unsigned long);
219 void lpfc_mbox_timeout_handler(struct lpfc_hba
*);
221 struct lpfc_nodelist
*lpfc_findnode_did(struct lpfc_vport
*, uint32_t);
222 struct lpfc_nodelist
*lpfc_findnode_wwpn(struct lpfc_vport
*,
225 int lpfc_sli_issue_mbox_wait(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
,
228 int lpfc_sli_issue_iocb_wait(struct lpfc_hba
* phba
,
229 struct lpfc_sli_ring
* pring
,
230 struct lpfc_iocbq
* piocb
,
231 struct lpfc_iocbq
* prspiocbq
,
233 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba
* phba
,
234 struct lpfc_iocbq
* cmdiocb
,
235 struct lpfc_iocbq
* rspiocb
);
237 void lpfc_sli_free_hbq(struct lpfc_hba
*, struct hbq_dmabuf
*);
239 void *lpfc_mbuf_alloc(struct lpfc_hba
*, int, dma_addr_t
*);
240 void __lpfc_mbuf_free(struct lpfc_hba
*, void *, dma_addr_t
);
241 void lpfc_mbuf_free(struct lpfc_hba
*, void *, dma_addr_t
);
243 void lpfc_in_buf_free(struct lpfc_hba
*, struct lpfc_dmabuf
*);
244 /* Function prototypes. */
245 const char* lpfc_info(struct Scsi_Host
*);
246 int lpfc_scan_finished(struct Scsi_Host
*, unsigned long);
248 void lpfc_get_cfgparam(struct lpfc_hba
*);
249 void lpfc_get_vport_cfgparam(struct lpfc_vport
*);
250 int lpfc_alloc_sysfs_attr(struct lpfc_vport
*);
251 void lpfc_free_sysfs_attr(struct lpfc_vport
*);
252 extern struct class_device_attribute
*lpfc_hba_attrs
[];
253 extern struct class_device_attribute
*lpfc_vport_attrs
[];
254 extern struct scsi_host_template lpfc_template
;
255 extern struct scsi_host_template lpfc_vport_template
;
256 extern struct fc_function_template lpfc_transport_functions
;
257 extern struct fc_function_template lpfc_vport_transport_functions
;
258 extern int lpfc_sli_mode
;
259 extern int lpfc_enable_npiv
;
261 int lpfc_vport_symbolic_node_name(struct lpfc_vport
*, char *, size_t);
262 void lpfc_terminate_rport_io(struct fc_rport
*);
263 void lpfc_dev_loss_tmo_callbk(struct fc_rport
*rport
);
265 struct lpfc_vport
*lpfc_create_port(struct lpfc_hba
*, int, struct device
*);
266 int lpfc_vport_disable(struct fc_vport
*fc_vport
, bool disable
);
267 void lpfc_mbx_unreg_vpi(struct lpfc_vport
*);
268 void destroy_port(struct lpfc_vport
*);
269 int lpfc_get_instance(void);
270 void lpfc_host_attrib_init(struct Scsi_Host
*);
272 extern void lpfc_debugfs_initialize(struct lpfc_vport
*);
273 extern void lpfc_debugfs_terminate(struct lpfc_vport
*);
274 extern void lpfc_debugfs_disc_trc(struct lpfc_vport
*, int, char *, uint32_t,
276 extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba
*, char *, uint32_t,
278 extern struct lpfc_hbq_init
*lpfc_hbq_defs
[];
280 /* Interface exported by fabric iocb scheduler */
281 void lpfc_fabric_abort_nport(struct lpfc_nodelist
*);
282 void lpfc_fabric_abort_hba(struct lpfc_hba
*);
283 void lpfc_fabric_block_timeout(unsigned long);
284 void lpfc_unblock_fabric_iocbs(struct lpfc_hba
*);
285 void lpfc_adjust_queue_depth(struct lpfc_hba
*);
286 void lpfc_ramp_down_queue_handler(struct lpfc_hba
*);
287 void lpfc_ramp_up_queue_handler(struct lpfc_hba
*);
289 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
290 #define HBA_EVENT_RSCN 5
291 #define HBA_EVENT_LINK_UP 2
292 #define HBA_EVENT_LINK_DOWN 3