1 /*
2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
3 * All rights reserved
4 * www.brocade.com
5 *
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 */
17
18 #ifndef __BFA_FCS_H__
19 #define __BFA_FCS_H__
20
21 #include "bfa_cs.h"
22 #include "bfa_defs.h"
23 #include "bfa_defs_fcs.h"
24 #include "bfa_modules.h"
25 #include "bfa_fc.h"
26
27 #define BFA_FCS_OS_STR_LEN 64
28
29 /*
30 * lps_pvt BFA LPS private functions
31 */
32
33 enum bfa_lps_event {
34 BFA_LPS_SM_LOGIN = 1, /* login request from user */
35 BFA_LPS_SM_LOGOUT = 2, /* logout request from user */
36 BFA_LPS_SM_FWRSP = 3, /* f/w response to login/logout */
37 BFA_LPS_SM_RESUME = 4, /* space present in reqq queue */
38 BFA_LPS_SM_DELETE = 5, /* lps delete from user */
39 BFA_LPS_SM_OFFLINE = 6, /* Link is offline */
40 BFA_LPS_SM_RX_CVL = 7, /* Rx clear virtual link */
41 BFA_LPS_SM_SET_N2N_PID = 8, /* Set assigned PID for n2n */
42 };
43
44
45 /*
46 * !!! Only append to the enums defined here to avoid any versioning
47 * !!! needed between trace utility and driver version
48 */
49 enum {
50 BFA_TRC_FCS_FCS = 1,
51 BFA_TRC_FCS_PORT = 2,
52 BFA_TRC_FCS_RPORT = 3,
53 BFA_TRC_FCS_FCPIM = 4,
54 };
55
56
57 struct bfa_fcs_s;
58
59 #define __fcs_min_cfg(__fcs) ((__fcs)->min_cfg)
60
61 #define BFA_FCS_BRCD_SWITCH_OUI 0x051e
62 #define N2N_LOCAL_PID 0x010000
63 #define N2N_REMOTE_PID 0x020000
64 #define BFA_FCS_RETRY_TIMEOUT 2000
65 #define BFA_FCS_PID_IS_WKA(pid) ((bfa_ntoh3b(pid) > 0xFFF000) ? 1 : 0)
66
67
68
69 struct bfa_fcs_lport_ns_s {
70 bfa_sm_t sm; /* state machine */
71 struct bfa_timer_s timer;
72 struct bfa_fcs_lport_s *port; /* parent port */
73 struct bfa_fcxp_s *fcxp;
74 struct bfa_fcxp_wqe_s fcxp_wqe;
75 };
76
77
78 struct bfa_fcs_lport_scn_s {
79 bfa_sm_t sm; /* state machine */
80 struct bfa_timer_s timer;
81 struct bfa_fcs_lport_s *port; /* parent port */
82 struct bfa_fcxp_s *fcxp;
83 struct bfa_fcxp_wqe_s fcxp_wqe;
84 };
85
86
87 struct bfa_fcs_lport_fdmi_s {
88 bfa_sm_t sm; /* state machine */
89 struct bfa_timer_s timer;
90 struct bfa_fcs_lport_ms_s *ms; /* parent ms */
91 struct bfa_fcxp_s *fcxp;
92 struct bfa_fcxp_wqe_s fcxp_wqe;
93 u8 retry_cnt; /* retry count */
94 u8 rsvd[3];
95 };
96
97
98 struct bfa_fcs_lport_ms_s {
99 bfa_sm_t sm; /* state machine */
100 struct bfa_timer_s timer;
101 struct bfa_fcs_lport_s *port; /* parent port */
102 struct bfa_fcxp_s *fcxp;
103 struct bfa_fcxp_wqe_s fcxp_wqe;
104 struct bfa_fcs_lport_fdmi_s fdmi; /* FDMI component of MS */
105 u8 retry_cnt; /* retry count */
106 u8 rsvd[3];
107 };
108
109
110 struct bfa_fcs_lport_fab_s {
111 struct bfa_fcs_lport_ns_s ns; /* NS component of port */
112 struct bfa_fcs_lport_scn_s scn; /* scn component of port */
113 struct bfa_fcs_lport_ms_s ms; /* MS component of port */
114 };
115
116 #define MAX_ALPA_COUNT 127
117
118 struct bfa_fcs_lport_loop_s {
119 u8 num_alpa; /* Num of ALPA entries in the map */
120 u8 alpa_pos_map[MAX_ALPA_COUNT]; /* ALPA Positional
121 *Map */
122 struct bfa_fcs_lport_s *port; /* parent port */
123 };
124
125 struct bfa_fcs_lport_n2n_s {
126 u32 rsvd;
127 __be16 reply_oxid; /* ox_id from the req flogi to be
128 *used in flogi acc */
129 wwn_t rem_port_wwn; /* Attached port's wwn */
130 };
131
132
133 union bfa_fcs_lport_topo_u {
134 struct bfa_fcs_lport_fab_s pfab;
135 struct bfa_fcs_lport_loop_s ploop;
136 struct bfa_fcs_lport_n2n_s pn2n;
137 };
138
139
140 struct bfa_fcs_lport_s {
141 struct list_head qe; /* used by port/vport */
142 bfa_sm_t sm; /* state machine */
143 struct bfa_fcs_fabric_s *fabric; /* parent fabric */
144 struct bfa_lport_cfg_s port_cfg; /* port configuration */
145 struct bfa_timer_s link_timer; /* timer for link offline */
146 u32 pid:24; /* FC address */
147 u8 lp_tag; /* lport tag */
148 u16 num_rports; /* Num of r-ports */
149 struct list_head rport_q; /* queue of discovered r-ports */
150 struct bfa_fcs_s *fcs; /* FCS instance */
151 union bfa_fcs_lport_topo_u port_topo; /* fabric/loop/n2n details */
152 struct bfad_port_s *bfad_port; /* driver peer instance */
153 struct bfa_fcs_vport_s *vport; /* NULL for base ports */
154 struct bfa_fcxp_s *fcxp;
155 struct bfa_fcxp_wqe_s fcxp_wqe;
156 struct bfa_lport_stats_s stats;
157 struct bfa_wc_s wc; /* waiting counter for events */
158 };
159 #define BFA_FCS_GET_HAL_FROM_PORT(port) (port->fcs->bfa)
160 #define BFA_FCS_GET_NS_FROM_PORT(port) (&port->port_topo.pfab.ns)
161 #define BFA_FCS_GET_SCN_FROM_PORT(port) (&port->port_topo.pfab.scn)
162 #define BFA_FCS_GET_MS_FROM_PORT(port) (&port->port_topo.pfab.ms)
163 #define BFA_FCS_GET_FDMI_FROM_PORT(port) (&port->port_topo.pfab.ms.fdmi)
164 #define BFA_FCS_VPORT_IS_INITIATOR_MODE(port) \
165 (port->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM)
166
167 /*
168 * forward declaration
169 */
170 struct bfad_vf_s;
171
172 enum bfa_fcs_fabric_type {
173 BFA_FCS_FABRIC_UNKNOWN = 0,
174 BFA_FCS_FABRIC_SWITCHED = 1,
175 BFA_FCS_FABRIC_N2N = 2,
176 };
177
178
179 struct bfa_fcs_fabric_s {
180 struct list_head qe; /* queue element */
181 bfa_sm_t sm; /* state machine */
182 struct bfa_fcs_s *fcs; /* FCS instance */
183 struct bfa_fcs_lport_s bport; /* base logical port */
184 enum bfa_fcs_fabric_type fab_type; /* fabric type */
185 enum bfa_port_type oper_type; /* current link topology */
186 u8 is_vf; /* is virtual fabric? */
187 u8 is_npiv; /* is NPIV supported ? */
188 u8 is_auth; /* is Security/Auth supported ? */
189 u16 bb_credit; /* BB credit from fabric */
190 u16 vf_id; /* virtual fabric ID */
191 u16 num_vports; /* num vports */
192 u16 rsvd;
193 struct list_head vport_q; /* queue of virtual ports */
194 struct list_head vf_q; /* queue of virtual fabrics */
195 struct bfad_vf_s *vf_drv; /* driver vf structure */
196 struct bfa_timer_s link_timer; /* Link Failure timer. Vport */
197 wwn_t fabric_name; /* attached fabric name */
198 bfa_boolean_t auth_reqd; /* authentication required */
199 struct bfa_timer_s delay_timer; /* delay timer */
200 union {
201 u16 swp_vfid;/* switch port VF id */
202 } event_arg;
203 struct bfa_wc_s wc; /* wait counter for delete */
204 struct bfa_vf_stats_s stats; /* fabric/vf stats */
205 struct bfa_lps_s *lps; /* lport login services */
206 u8 fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ];
207 /* attached fabric's ip addr */
208 };
209
210 #define bfa_fcs_fabric_npiv_capable(__f) ((__f)->is_npiv)
211 #define bfa_fcs_fabric_is_switched(__f) \
212 ((__f)->fab_type == BFA_FCS_FABRIC_SWITCHED)
213
214 /*
215 * The design calls for a single implementation of base fabric and vf.
216 */
217 #define bfa_fcs_vf_t struct bfa_fcs_fabric_s
218
219 struct bfa_vf_event_s {
220 u32 undefined;
221 };
222
223 struct bfa_fcs_s;
224 struct bfa_fcs_fabric_s;
225
226 /*
227 * @todo : need to move to a global config file.
228 * Maximum Rports supported per port (physical/logical).
229 */
230 #define BFA_FCS_MAX_RPORTS_SUPP 256 /* @todo : tentative value */
231
232 #define bfa_fcs_lport_t struct bfa_fcs_lport_s
233
234 /*
235 * Symbolic Name related defines
236 * Total bytes 255.
237 * Physical Port's symbolic name 128 bytes.
238 * For Vports, Vport's symbolic name is appended to the Physical port's
239 * Symbolic Name.
240 *
241 * Physical Port's symbolic name Format : (Total 128 bytes)
242 * Adapter Model number/name : 12 bytes
243 * Driver Version : 10 bytes
244 * Host Machine Name : 30 bytes
245 * Host OS Info : 48 bytes
246 * Host OS PATCH Info : 16 bytes
247 * ( remaining 12 bytes reserved to be used for separator)
248 */
249 #define BFA_FCS_PORT_SYMBNAME_SEPARATOR " | "
250
251 #define BFA_FCS_PORT_SYMBNAME_MODEL_SZ 12
252 #define BFA_FCS_PORT_SYMBNAME_VERSION_SZ 10
253 #define BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ 30
254 #define BFA_FCS_PORT_SYMBNAME_OSINFO_SZ 48
255 #define BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ 16
256
257 /* bb_scn value in 2^bb_scn */
258 #define BFA_FCS_PORT_DEF_BB_SCN 3
259
260 /*
261 * Get FC port ID for a logical port.
262 */
263 #define bfa_fcs_lport_get_fcid(_lport) ((_lport)->pid)
264 #define bfa_fcs_lport_get_pwwn(_lport) ((_lport)->port_cfg.pwwn)
265 #define bfa_fcs_lport_get_nwwn(_lport) ((_lport)->port_cfg.nwwn)
266 #define bfa_fcs_lport_get_psym_name(_lport) ((_lport)->port_cfg.sym_name)
267 #define bfa_fcs_lport_is_initiator(_lport) \
268 ((_lport)->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM)
269 #define bfa_fcs_lport_get_nrports(_lport) \
270 ((_lport) ? (_lport)->num_rports : 0)
271
272 static inline struct bfad_port_s *
bfa_fcs_lport_get_drvport(struct bfa_fcs_lport_s * port)273 bfa_fcs_lport_get_drvport(struct bfa_fcs_lport_s *port)
274 {
275 return port->bfad_port;
276 }
277
278 #define bfa_fcs_lport_get_opertype(_lport) ((_lport)->fabric->oper_type)
279 #define bfa_fcs_lport_get_fabric_name(_lport) ((_lport)->fabric->fabric_name)
280 #define bfa_fcs_lport_get_fabric_ipaddr(_lport) \
281 ((_lport)->fabric->fabric_ip_addr)
282
283 /*
284 * bfa fcs port public functions
285 */
286
287 bfa_boolean_t bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port);
288 struct bfa_fcs_lport_s *bfa_fcs_get_base_port(struct bfa_fcs_s *fcs);
289 void bfa_fcs_lport_get_rports(struct bfa_fcs_lport_s *port,
290 wwn_t rport_wwns[], int *nrports);
291
292 wwn_t bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn,
293 int index, int nrports, bfa_boolean_t bwwn);
294
295 struct bfa_fcs_lport_s *bfa_fcs_lookup_port(struct bfa_fcs_s *fcs,
296 u16 vf_id, wwn_t lpwwn);
297
298 void bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
299 struct bfa_lport_info_s *port_info);
300 void bfa_fcs_lport_get_attr(struct bfa_fcs_lport_s *port,
301 struct bfa_lport_attr_s *port_attr);
302 void bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
303 struct bfa_lport_stats_s *port_stats);
304 void bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port);
305 enum bfa_port_speed bfa_fcs_lport_get_rport_max_speed(
306 struct bfa_fcs_lport_s *port);
307
308 /* MS FCS routines */
309 void bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port);
310 void bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port);
311 void bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port);
312 void bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port);
313
314 /* FDMI FCS routines */
315 void bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms);
316 void bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms);
317 void bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms);
318 void bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport, struct fchs_s *fchs,
319 u16 len);
320 void bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
321 u16 vf_id, struct bfa_fcs_vport_s *vport);
322 void bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
323 struct bfa_lport_cfg_s *port_cfg);
324 void bfa_fcs_lport_online(struct bfa_fcs_lport_s *port);
325 void bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port);
326 void bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port);
327 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pid(
328 struct bfa_fcs_lport_s *port, u32 pid);
329 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pwwn(
330 struct bfa_fcs_lport_s *port, wwn_t pwwn);
331 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_nwwn(
332 struct bfa_fcs_lport_s *port, wwn_t nwwn);
333 void bfa_fcs_lport_add_rport(struct bfa_fcs_lport_s *port,
334 struct bfa_fcs_rport_s *rport);
335 void bfa_fcs_lport_del_rport(struct bfa_fcs_lport_s *port,
336 struct bfa_fcs_rport_s *rport);
337 void bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *vport);
338 void bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *vport);
339 void bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *vport);
340 void bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port);
341 void bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *vport);
342 void bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *vport);
343 void bfa_fcs_lport_scn_online(struct bfa_fcs_lport_s *vport);
344 void bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
345 struct fchs_s *rx_frame, u32 len);
346
347 struct bfa_fcs_vport_s {
348 struct list_head qe; /* queue elem */
349 bfa_sm_t sm; /* state machine */
350 bfa_fcs_lport_t lport; /* logical port */
351 struct bfa_timer_s timer;
352 struct bfad_vport_s *vport_drv; /* Driver private */
353 struct bfa_vport_stats_s vport_stats; /* vport statistics */
354 struct bfa_lps_s *lps; /* Lport login service*/
355 int fdisc_retries;
356 };
357
358 #define bfa_fcs_vport_get_port(vport) \
359 ((struct bfa_fcs_lport_s *)(&vport->port))
360
361 /*
362 * bfa fcs vport public functions
363 */
364 bfa_status_t bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport,
365 struct bfa_fcs_s *fcs, u16 vf_id,
366 struct bfa_lport_cfg_s *port_cfg,
367 struct bfad_vport_s *vport_drv);
368 bfa_status_t bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport,
369 struct bfa_fcs_s *fcs, u16 vf_id,
370 struct bfa_lport_cfg_s *port_cfg,
371 struct bfad_vport_s *vport_drv);
372 bfa_boolean_t bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport);
373 bfa_status_t bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport);
374 bfa_status_t bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport);
375 bfa_status_t bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport);
376 void bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
377 struct bfa_vport_attr_s *vport_attr);
378 struct bfa_fcs_vport_s *bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs,
379 u16 vf_id, wwn_t vpwwn);
380 void bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport);
381 void bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport);
382 void bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport);
383 void bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport);
384 void bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport);
385 void bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport);
386
387 #define BFA_FCS_RPORT_DEF_DEL_TIMEOUT 90 /* in secs */
388 #define BFA_FCS_RPORT_MAX_RETRIES (5)
389
390 /*
391 * forward declarations
392 */
393 struct bfad_rport_s;
394
395 struct bfa_fcs_itnim_s;
396 struct bfa_fcs_tin_s;
397 struct bfa_fcs_iprp_s;
398
399 /* Rport Features (RPF) */
400 struct bfa_fcs_rpf_s {
401 bfa_sm_t sm; /* state machine */
402 struct bfa_fcs_rport_s *rport; /* parent rport */
403 struct bfa_timer_s timer; /* general purpose timer */
404 struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */
405 struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */
406 int rpsc_retries; /* max RPSC retry attempts */
407 enum bfa_port_speed rpsc_speed;
408 /* Current Speed from RPSC. O if RPSC fails */
409 enum bfa_port_speed assigned_speed;
410 /*
411 * Speed assigned by the user. will be used if RPSC is
412 * not supported by the rport.
413 */
414 };
415
416 struct bfa_fcs_rport_s {
417 struct list_head qe; /* used by port/vport */
418 struct bfa_fcs_lport_s *port; /* parent FCS port */
419 struct bfa_fcs_s *fcs; /* fcs instance */
420 struct bfad_rport_s *rp_drv; /* driver peer instance */
421 u32 pid; /* port ID of rport */
422 u16 maxfrsize; /* maximum frame size */
423 __be16 reply_oxid; /* OX_ID of inbound requests */
424 enum fc_cos fc_cos; /* FC classes of service supp */
425 bfa_boolean_t cisc; /* CISC capable device */
426 bfa_boolean_t prlo; /* processing prlo or LOGO */
427 bfa_boolean_t plogi_pending; /* Rx Plogi Pending */
428 wwn_t pwwn; /* port wwn of rport */
429 wwn_t nwwn; /* node wwn of rport */
430 struct bfa_rport_symname_s psym_name; /* port symbolic name */
431 bfa_sm_t sm; /* state machine */
432 struct bfa_timer_s timer; /* general purpose timer */
433 struct bfa_fcs_itnim_s *itnim; /* ITN initiator mode role */
434 struct bfa_fcs_tin_s *tin; /* ITN initiator mode role */
435 struct bfa_fcs_iprp_s *iprp; /* IP/FC role */
436 struct bfa_rport_s *bfa_rport; /* BFA Rport */
437 struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */
438 int plogi_retries; /* max plogi retry attempts */
439 int ns_retries; /* max NS query retry attempts */
440 struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */
441 struct bfa_rport_stats_s stats; /* rport stats */
442 enum bfa_rport_function scsi_function; /* Initiator/Target */
443 struct bfa_fcs_rpf_s rpf; /* Rport features module */
444 };
445
446 static inline struct bfa_rport_s *
bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s * rport)447 bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s *rport)
448 {
449 return rport->bfa_rport;
450 }
451
452 /*
453 * bfa fcs rport API functions
454 */
455 void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport,
456 struct bfa_rport_attr_s *attr);
457 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port,
458 wwn_t rpwwn);
459 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup_by_nwwn(
460 struct bfa_fcs_lport_s *port, wwn_t rnwwn);
461 void bfa_fcs_rport_set_del_timeout(u8 rport_tmo);
462
463 void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport,
464 struct fchs_s *fchs, u16 len);
465 void bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport);
466
467 struct bfa_fcs_rport_s *bfa_fcs_rport_create(struct bfa_fcs_lport_s *port,
468 u32 pid);
469 void bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
470 struct fc_logi_s *plogi_rsp);
471 void bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port,
472 struct fchs_s *rx_fchs,
473 struct fc_logi_s *plogi);
474 void bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs,
475 struct fc_logi_s *plogi);
476 void bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id);
477
478 void bfa_fcs_rport_itntm_ack(struct bfa_fcs_rport_s *rport);
479 void bfa_fcs_rport_fcptm_offline_done(struct bfa_fcs_rport_s *rport);
480 int bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport);
481 struct bfa_fcs_rport_s *bfa_fcs_rport_create_by_wwn(
482 struct bfa_fcs_lport_s *port, wwn_t wwn);
483 void bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport);
484 void bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport);
485 void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport);
486
487 /*
488 * forward declarations
489 */
490 struct bfad_itnim_s;
491
492 struct bfa_fcs_itnim_s {
493 bfa_sm_t sm; /* state machine */
494 struct bfa_fcs_rport_s *rport; /* parent remote rport */
495 struct bfad_itnim_s *itnim_drv; /* driver peer instance */
496 struct bfa_fcs_s *fcs; /* fcs instance */
497 struct bfa_timer_s timer; /* timer functions */
498 struct bfa_itnim_s *bfa_itnim; /* BFA itnim struct */
499 u32 prli_retries; /* max prli retry attempts */
500 bfa_boolean_t seq_rec; /* seq recovery support */
501 bfa_boolean_t rec_support; /* REC supported */
502 bfa_boolean_t conf_comp; /* FCP_CONF support */
503 bfa_boolean_t task_retry_id; /* task retry id supp */
504 struct bfa_fcxp_wqe_s fcxp_wqe; /* wait qelem for fcxp */
505 struct bfa_fcxp_s *fcxp; /* FCXP in use */
506 struct bfa_itnim_stats_s stats; /* itn statistics */
507 };
508 #define bfa_fcs_fcxp_alloc(__fcs) \
509 bfa_fcxp_alloc(NULL, (__fcs)->bfa, 0, 0, NULL, NULL, NULL, NULL)
510
511 #define bfa_fcs_fcxp_alloc_wait(__bfa, __wqe, __alloc_cbfn, __alloc_cbarg) \
512 bfa_fcxp_alloc_wait(__bfa, __wqe, __alloc_cbfn, __alloc_cbarg, \
513 NULL, 0, 0, NULL, NULL, NULL, NULL)
514
515 static inline struct bfad_port_s *
bfa_fcs_itnim_get_drvport(struct bfa_fcs_itnim_s * itnim)516 bfa_fcs_itnim_get_drvport(struct bfa_fcs_itnim_s *itnim)
517 {
518 return itnim->rport->port->bfad_port;
519 }
520
521
522 static inline struct bfa_fcs_lport_s *
bfa_fcs_itnim_get_port(struct bfa_fcs_itnim_s * itnim)523 bfa_fcs_itnim_get_port(struct bfa_fcs_itnim_s *itnim)
524 {
525 return itnim->rport->port;
526 }
527
528
529 static inline wwn_t
bfa_fcs_itnim_get_nwwn(struct bfa_fcs_itnim_s * itnim)530 bfa_fcs_itnim_get_nwwn(struct bfa_fcs_itnim_s *itnim)
531 {
532 return itnim->rport->nwwn;
533 }
534
535
536 static inline wwn_t
bfa_fcs_itnim_get_pwwn(struct bfa_fcs_itnim_s * itnim)537 bfa_fcs_itnim_get_pwwn(struct bfa_fcs_itnim_s *itnim)
538 {
539 return itnim->rport->pwwn;
540 }
541
542
543 static inline u32
bfa_fcs_itnim_get_fcid(struct bfa_fcs_itnim_s * itnim)544 bfa_fcs_itnim_get_fcid(struct bfa_fcs_itnim_s *itnim)
545 {
546 return itnim->rport->pid;
547 }
548
549
550 static inline u32
bfa_fcs_itnim_get_maxfrsize(struct bfa_fcs_itnim_s * itnim)551 bfa_fcs_itnim_get_maxfrsize(struct bfa_fcs_itnim_s *itnim)
552 {
553 return itnim->rport->maxfrsize;
554 }
555
556
557 static inline enum fc_cos
bfa_fcs_itnim_get_cos(struct bfa_fcs_itnim_s * itnim)558 bfa_fcs_itnim_get_cos(struct bfa_fcs_itnim_s *itnim)
559 {
560 return itnim->rport->fc_cos;
561 }
562
563
564 static inline struct bfad_itnim_s *
bfa_fcs_itnim_get_drvitn(struct bfa_fcs_itnim_s * itnim)565 bfa_fcs_itnim_get_drvitn(struct bfa_fcs_itnim_s *itnim)
566 {
567 return itnim->itnim_drv;
568 }
569
570
571 static inline struct bfa_itnim_s *
bfa_fcs_itnim_get_halitn(struct bfa_fcs_itnim_s * itnim)572 bfa_fcs_itnim_get_halitn(struct bfa_fcs_itnim_s *itnim)
573 {
574 return itnim->bfa_itnim;
575 }
576
577 /*
578 * bfa fcs FCP Initiator mode API functions
579 */
580 void bfa_fcs_itnim_get_attr(struct bfa_fcs_itnim_s *itnim,
581 struct bfa_itnim_attr_s *attr);
582 void bfa_fcs_itnim_get_stats(struct bfa_fcs_itnim_s *itnim,
583 struct bfa_itnim_stats_s *stats);
584 struct bfa_fcs_itnim_s *bfa_fcs_itnim_lookup(struct bfa_fcs_lport_s *port,
585 wwn_t rpwwn);
586 bfa_status_t bfa_fcs_itnim_attr_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn,
587 struct bfa_itnim_attr_s *attr);
588 bfa_status_t bfa_fcs_itnim_stats_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn,
589 struct bfa_itnim_stats_s *stats);
590 bfa_status_t bfa_fcs_itnim_stats_clear(struct bfa_fcs_lport_s *port,
591 wwn_t rpwwn);
592 struct bfa_fcs_itnim_s *bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport);
593 void bfa_fcs_itnim_delete(struct bfa_fcs_itnim_s *itnim);
594 void bfa_fcs_itnim_rport_offline(struct bfa_fcs_itnim_s *itnim);
595 void bfa_fcs_itnim_rport_online(struct bfa_fcs_itnim_s *itnim);
596 bfa_status_t bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim);
597 void bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim);
598 void bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim,
599 struct fchs_s *fchs, u16 len);
600
601 #define BFA_FCS_FDMI_SUPP_SPEEDS_4G (FDMI_TRANS_SPEED_1G | \
602 FDMI_TRANS_SPEED_2G | \
603 FDMI_TRANS_SPEED_4G)
604
605 #define BFA_FCS_FDMI_SUPP_SPEEDS_8G (FDMI_TRANS_SPEED_1G | \
606 FDMI_TRANS_SPEED_2G | \
607 FDMI_TRANS_SPEED_4G | \
608 FDMI_TRANS_SPEED_8G)
609
610 #define BFA_FCS_FDMI_SUPP_SPEEDS_16G (FDMI_TRANS_SPEED_2G | \
611 FDMI_TRANS_SPEED_4G | \
612 FDMI_TRANS_SPEED_8G | \
613 FDMI_TRANS_SPEED_16G)
614
615 #define BFA_FCS_FDMI_SUPP_SPEEDS_10G FDMI_TRANS_SPEED_10G
616
617 /*
618 * HBA Attribute Block : BFA internal representation. Note : Some variable
619 * sizes have been trimmed to suit BFA For Ex : Model will be "Brocade". Based
620 * on this the size has been reduced to 16 bytes from the standard's 64 bytes.
621 */
622 struct bfa_fcs_fdmi_hba_attr_s {
623 wwn_t node_name;
624 u8 manufacturer[64];
625 u8 serial_num[64];
626 u8 model[16];
627 u8 model_desc[256];
628 u8 hw_version[8];
629 u8 driver_version[8];
630 u8 option_rom_ver[BFA_VERSION_LEN];
631 u8 fw_version[8];
632 u8 os_name[256];
633 __be32 max_ct_pyld;
634 };
635
636 /*
637 * Port Attribute Block
638 */
639 struct bfa_fcs_fdmi_port_attr_s {
640 u8 supp_fc4_types[32]; /* supported FC4 types */
641 __be32 supp_speed; /* supported speed */
642 __be32 curr_speed; /* current Speed */
643 __be32 max_frm_size; /* max frame size */
644 u8 os_device_name[256]; /* OS device Name */
645 u8 host_name[256]; /* host name */
646 };
647
648 struct bfa_fcs_stats_s {
649 struct {
650 u32 untagged; /* untagged receive frames */
651 u32 tagged; /* tagged receive frames */
652 u32 vfid_unknown; /* VF id is unknown */
653 } uf;
654 };
655
656 struct bfa_fcs_driver_info_s {
657 u8 version[BFA_VERSION_LEN]; /* Driver Version */
658 u8 host_machine_name[BFA_FCS_OS_STR_LEN];
659 u8 host_os_name[BFA_FCS_OS_STR_LEN]; /* OS name and version */
660 u8 host_os_patch[BFA_FCS_OS_STR_LEN]; /* patch or service pack */
661 u8 os_device_name[BFA_FCS_OS_STR_LEN]; /* Driver Device Name */
662 };
663
664 struct bfa_fcs_s {
665 struct bfa_s *bfa; /* corresponding BFA bfa instance */
666 struct bfad_s *bfad; /* corresponding BDA driver instance */
667 struct bfa_trc_mod_s *trcmod; /* tracing module */
668 bfa_boolean_t vf_enabled; /* VF mode is enabled */
669 bfa_boolean_t fdmi_enabled; /* FDMI is enabled */
670 bfa_boolean_t bbscn_enabled; /* Driver Config Parameter */
671 bfa_boolean_t bbscn_flogi_rjt;/* FLOGI reject due to BB_SCN */
672 bfa_boolean_t min_cfg; /* min cfg enabled/disabled */
673 u16 port_vfid; /* port default VF ID */
674 struct bfa_fcs_driver_info_s driver_info;
675 struct bfa_fcs_fabric_s fabric; /* base fabric state machine */
676 struct bfa_fcs_stats_s stats; /* FCS statistics */
677 struct bfa_wc_s wc; /* waiting counter */
678 int fcs_aen_seq;
679 };
680
681 /*
682 * fcs_fabric_sm fabric state machine functions
683 */
684
685 /*
686 * Fabric state machine events
687 */
688 enum bfa_fcs_fabric_event {
689 BFA_FCS_FABRIC_SM_CREATE = 1, /* create from driver */
690 BFA_FCS_FABRIC_SM_DELETE = 2, /* delete from driver */
691 BFA_FCS_FABRIC_SM_LINK_DOWN = 3, /* link down from port */
692 BFA_FCS_FABRIC_SM_LINK_UP = 4, /* link up from port */
693 BFA_FCS_FABRIC_SM_CONT_OP = 5, /* flogi/auth continue op */
694 BFA_FCS_FABRIC_SM_RETRY_OP = 6, /* flogi/auth retry op */
695 BFA_FCS_FABRIC_SM_NO_FABRIC = 7, /* from flogi/auth */
696 BFA_FCS_FABRIC_SM_PERF_EVFP = 8, /* from flogi/auth */
697 BFA_FCS_FABRIC_SM_ISOLATE = 9, /* from EVFP processing */
698 BFA_FCS_FABRIC_SM_NO_TAGGING = 10, /* no VFT tagging from EVFP */
699 BFA_FCS_FABRIC_SM_DELAYED = 11, /* timeout delay event */
700 BFA_FCS_FABRIC_SM_AUTH_FAILED = 12, /* auth failed */
701 BFA_FCS_FABRIC_SM_AUTH_SUCCESS = 13, /* auth successful */
702 BFA_FCS_FABRIC_SM_DELCOMP = 14, /* all vports deleted event */
703 BFA_FCS_FABRIC_SM_LOOPBACK = 15, /* Received our own FLOGI */
704 BFA_FCS_FABRIC_SM_START = 16, /* from driver */
705 };
706
707 /*
708 * fcs_rport_sm FCS rport state machine events
709 */
710
711 enum rport_event {
712 RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */
713 RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */
714 RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */
715 RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */
716 RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */
717 RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */
718 RPSM_EVENT_DELETE = 7, /* RPORT delete request */
719 RPSM_EVENT_SCN = 8, /* state change notification */
720 RPSM_EVENT_ACCEPTED = 9, /* Good response from remote device */
721 RPSM_EVENT_FAILED = 10, /* Request to rport failed. */
722 RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */
723 RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */
724 RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */
725 RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */
726 RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */
727 RPSM_EVENT_ADDRESS_DISC = 16, /* Need to Discover rport's PID */
728 RPSM_EVENT_PRLO_RCVD = 17, /* PRLO from remote device */
729 RPSM_EVENT_PLOGI_RETRY = 18, /* Retry PLOGI continuously */
730 };
731
732 /*
733 * bfa fcs API functions
734 */
735 void bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa,
736 struct bfad_s *bfad,
737 bfa_boolean_t min_cfg);
738 void bfa_fcs_init(struct bfa_fcs_s *fcs);
739 void bfa_fcs_pbc_vport_init(struct bfa_fcs_s *fcs);
740 void bfa_fcs_update_cfg(struct bfa_fcs_s *fcs);
741 void bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs,
742 struct bfa_fcs_driver_info_s *driver_info);
743 void bfa_fcs_exit(struct bfa_fcs_s *fcs);
744
745 /*
746 * bfa fcs vf public functions
747 */
748 bfa_fcs_vf_t *bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id);
749 void bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t vpwwn[], int *nports);
750
751 /*
752 * fabric protected interface functions
753 */
754 void bfa_fcs_fabric_attach(struct bfa_fcs_s *fcs);
755 void bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs);
756 void bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs);
757 void bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric);
758 void bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric);
759 void bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric,
760 struct bfa_fcs_vport_s *vport);
761 void bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric,
762 struct bfa_fcs_vport_s *vport);
763 struct bfa_fcs_vport_s *bfa_fcs_fabric_vport_lookup(
764 struct bfa_fcs_fabric_s *fabric, wwn_t pwwn);
765 void bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs);
766 void bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric,
767 struct fchs_s *fchs, u16 len);
768 void bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric);
769 void bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric,
770 wwn_t fabric_name);
771 u16 bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric);
772 void bfa_fcs_uf_attach(struct bfa_fcs_s *fcs);
773 void bfa_fcs_port_attach(struct bfa_fcs_s *fcs);
774 void bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric,
775 enum bfa_fcs_fabric_event event);
776 void bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric,
777 enum bfa_fcs_fabric_event event);
778 void bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric,
779 enum bfa_fcs_fabric_event event);
780
781 /*
782 * BFA FCS callback interfaces
783 */
784
785 /*
786 * fcb Main fcs callbacks
787 */
788
789 struct bfad_port_s;
790 struct bfad_vf_s;
791 struct bfad_vport_s;
792 struct bfad_rport_s;
793
794 /*
795 * lport callbacks
796 */
797 struct bfad_port_s *bfa_fcb_lport_new(struct bfad_s *bfad,
798 struct bfa_fcs_lport_s *port,
799 enum bfa_lport_role roles,
800 struct bfad_vf_s *vf_drv,
801 struct bfad_vport_s *vp_drv);
802 void bfa_fcb_lport_delete(struct bfad_s *bfad, enum bfa_lport_role roles,
803 struct bfad_vf_s *vf_drv,
804 struct bfad_vport_s *vp_drv);
805
806 /*
807 * vport callbacks
808 */
809 void bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s);
810
811 /*
812 * rport callbacks
813 */
814 bfa_status_t bfa_fcb_rport_alloc(struct bfad_s *bfad,
815 struct bfa_fcs_rport_s **rport,
816 struct bfad_rport_s **rport_drv);
817
818 /*
819 * itnim callbacks
820 */
821 void bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim,
822 struct bfad_itnim_s **itnim_drv);
823 void bfa_fcb_itnim_free(struct bfad_s *bfad,
824 struct bfad_itnim_s *itnim_drv);
825 void bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv);
826 void bfa_fcb_itnim_offline(struct bfad_itnim_s *itnim_drv);
827
828 #endif /* __BFA_FCS_H__ */
829