1 /*
2 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
3 * Copyright (c) 2014- QLogic Corporation.
4 * All rights reserved
5 * www.qlogic.com
6 *
7 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License (GPL) Version 2 as
11 * published by the Free Software Foundation
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 */
18
19 #ifndef __BFA_FCS_H__
20 #define __BFA_FCS_H__
21
22 #include "bfa_cs.h"
23 #include "bfa_defs.h"
24 #include "bfa_defs_fcs.h"
25 #include "bfa_modules.h"
26 #include "bfa_fc.h"
27
28 #define BFA_FCS_OS_STR_LEN 64
29
30 /*
31 * lps_pvt BFA LPS private functions
32 */
33
34 enum bfa_lps_event {
35 BFA_LPS_SM_LOGIN = 1, /* login request from user */
36 BFA_LPS_SM_LOGOUT = 2, /* logout request from user */
37 BFA_LPS_SM_FWRSP = 3, /* f/w response to login/logout */
38 BFA_LPS_SM_RESUME = 4, /* space present in reqq queue */
39 BFA_LPS_SM_DELETE = 5, /* lps delete from user */
40 BFA_LPS_SM_OFFLINE = 6, /* Link is offline */
41 BFA_LPS_SM_RX_CVL = 7, /* Rx clear virtual link */
42 BFA_LPS_SM_SET_N2N_PID = 8, /* Set assigned PID for n2n */
43 };
44
45
46 /*
47 * !!! Only append to the enums defined here to avoid any versioning
48 * !!! needed between trace utility and driver version
49 */
50 enum {
51 BFA_TRC_FCS_FCS = 1,
52 BFA_TRC_FCS_PORT = 2,
53 BFA_TRC_FCS_RPORT = 3,
54 BFA_TRC_FCS_FCPIM = 4,
55 };
56
57
58 struct bfa_fcs_s;
59
60 #define __fcs_min_cfg(__fcs) ((__fcs)->min_cfg)
61
62 #define BFA_FCS_BRCD_SWITCH_OUI 0x051e
63 #define N2N_LOCAL_PID 0x010000
64 #define N2N_REMOTE_PID 0x020000
65 #define BFA_FCS_RETRY_TIMEOUT 2000
66 #define BFA_FCS_MAX_NS_RETRIES 5
67 #define BFA_FCS_PID_IS_WKA(pid) ((bfa_ntoh3b(pid) > 0xFFF000) ? 1 : 0)
68 #define BFA_FCS_MAX_RPORT_LOGINS 1024
69
70 struct bfa_fcs_lport_ns_s {
71 bfa_sm_t sm; /* state machine */
72 struct bfa_timer_s timer;
73 struct bfa_fcs_lport_s *port; /* parent port */
74 struct bfa_fcxp_s *fcxp;
75 struct bfa_fcxp_wqe_s fcxp_wqe;
76 u8 num_rnnid_retries;
77 u8 num_rsnn_nn_retries;
78 };
79
80
81 struct bfa_fcs_lport_scn_s {
82 bfa_sm_t sm; /* state machine */
83 struct bfa_timer_s timer;
84 struct bfa_fcs_lport_s *port; /* parent port */
85 struct bfa_fcxp_s *fcxp;
86 struct bfa_fcxp_wqe_s fcxp_wqe;
87 };
88
89
90 struct bfa_fcs_lport_fdmi_s {
91 bfa_sm_t sm; /* state machine */
92 struct bfa_timer_s timer;
93 struct bfa_fcs_lport_ms_s *ms; /* parent ms */
94 struct bfa_fcxp_s *fcxp;
95 struct bfa_fcxp_wqe_s fcxp_wqe;
96 u8 retry_cnt; /* retry count */
97 u8 rsvd[3];
98 };
99
100
101 struct bfa_fcs_lport_ms_s {
102 bfa_sm_t sm; /* state machine */
103 struct bfa_timer_s timer;
104 struct bfa_fcs_lport_s *port; /* parent port */
105 struct bfa_fcxp_s *fcxp;
106 struct bfa_fcxp_wqe_s fcxp_wqe;
107 struct bfa_fcs_lport_fdmi_s fdmi; /* FDMI component of MS */
108 u8 retry_cnt; /* retry count */
109 u8 rsvd[3];
110 };
111
112
113 struct bfa_fcs_lport_fab_s {
114 struct bfa_fcs_lport_ns_s ns; /* NS component of port */
115 struct bfa_fcs_lport_scn_s scn; /* scn component of port */
116 struct bfa_fcs_lport_ms_s ms; /* MS component of port */
117 };
118
119 #define MAX_ALPA_COUNT 127
120
121 struct bfa_fcs_lport_loop_s {
122 u8 num_alpa; /* Num of ALPA entries in the map */
123 u8 alpabm_valid; /* alpa bitmap valid or not (1 or 0) */
124 u8 alpa_pos_map[MAX_ALPA_COUNT]; /* ALPA Positional Map */
125 struct bfa_fcs_lport_s *port; /* parent port */
126 };
127
128 struct bfa_fcs_lport_n2n_s {
129 u32 rsvd;
130 __be16 reply_oxid; /* ox_id from the req flogi to be
131 *used in flogi acc */
132 wwn_t rem_port_wwn; /* Attached port's wwn */
133 };
134
135
136 union bfa_fcs_lport_topo_u {
137 struct bfa_fcs_lport_fab_s pfab;
138 struct bfa_fcs_lport_loop_s ploop;
139 struct bfa_fcs_lport_n2n_s pn2n;
140 };
141
142
143 struct bfa_fcs_lport_s {
144 struct list_head qe; /* used by port/vport */
145 bfa_sm_t sm; /* state machine */
146 struct bfa_fcs_fabric_s *fabric; /* parent fabric */
147 struct bfa_lport_cfg_s port_cfg; /* port configuration */
148 struct bfa_timer_s link_timer; /* timer for link offline */
149 u32 pid:24; /* FC address */
150 u8 lp_tag; /* lport tag */
151 u16 num_rports; /* Num of r-ports */
152 struct list_head rport_q; /* queue of discovered r-ports */
153 struct bfa_fcs_s *fcs; /* FCS instance */
154 union bfa_fcs_lport_topo_u port_topo; /* fabric/loop/n2n details */
155 struct bfad_port_s *bfad_port; /* driver peer instance */
156 struct bfa_fcs_vport_s *vport; /* NULL for base ports */
157 struct bfa_fcxp_s *fcxp;
158 struct bfa_fcxp_wqe_s fcxp_wqe;
159 struct bfa_lport_stats_s stats;
160 struct bfa_wc_s wc; /* waiting counter for events */
161 };
162 #define BFA_FCS_GET_HAL_FROM_PORT(port) (port->fcs->bfa)
163 #define BFA_FCS_GET_NS_FROM_PORT(port) (&port->port_topo.pfab.ns)
164 #define BFA_FCS_GET_SCN_FROM_PORT(port) (&port->port_topo.pfab.scn)
165 #define BFA_FCS_GET_MS_FROM_PORT(port) (&port->port_topo.pfab.ms)
166 #define BFA_FCS_GET_FDMI_FROM_PORT(port) (&port->port_topo.pfab.ms.fdmi)
167 #define BFA_FCS_VPORT_IS_INITIATOR_MODE(port) \
168 (port->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM)
169
170 /*
171 * forward declaration
172 */
173 struct bfad_vf_s;
174
175 enum bfa_fcs_fabric_type {
176 BFA_FCS_FABRIC_UNKNOWN = 0,
177 BFA_FCS_FABRIC_SWITCHED = 1,
178 BFA_FCS_FABRIC_N2N = 2,
179 BFA_FCS_FABRIC_LOOP = 3,
180 };
181
182
183 struct bfa_fcs_fabric_s {
184 struct list_head qe; /* queue element */
185 bfa_sm_t sm; /* state machine */
186 struct bfa_fcs_s *fcs; /* FCS instance */
187 struct bfa_fcs_lport_s bport; /* base logical port */
188 enum bfa_fcs_fabric_type fab_type; /* fabric type */
189 enum bfa_port_type oper_type; /* current link topology */
190 u8 is_vf; /* is virtual fabric? */
191 u8 is_npiv; /* is NPIV supported ? */
192 u8 is_auth; /* is Security/Auth supported ? */
193 u16 bb_credit; /* BB credit from fabric */
194 u16 vf_id; /* virtual fabric ID */
195 u16 num_vports; /* num vports */
196 u16 rsvd;
197 struct list_head vport_q; /* queue of virtual ports */
198 struct list_head vf_q; /* queue of virtual fabrics */
199 struct bfad_vf_s *vf_drv; /* driver vf structure */
200 struct bfa_timer_s link_timer; /* Link Failure timer. Vport */
201 wwn_t fabric_name; /* attached fabric name */
202 bfa_boolean_t auth_reqd; /* authentication required */
203 struct bfa_timer_s delay_timer; /* delay timer */
204 union {
205 u16 swp_vfid;/* switch port VF id */
206 } event_arg;
207 struct bfa_wc_s wc; /* wait counter for delete */
208 struct bfa_vf_stats_s stats; /* fabric/vf stats */
209 struct bfa_lps_s *lps; /* lport login services */
210 u8 fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ];
211 /* attached fabric's ip addr */
212 struct bfa_wc_s stop_wc; /* wait counter for stop */
213 };
214
215 #define bfa_fcs_fabric_npiv_capable(__f) ((__f)->is_npiv)
216 #define bfa_fcs_fabric_is_switched(__f) \
217 ((__f)->fab_type == BFA_FCS_FABRIC_SWITCHED)
218
219 /*
220 * The design calls for a single implementation of base fabric and vf.
221 */
222 #define bfa_fcs_vf_t struct bfa_fcs_fabric_s
223
224 struct bfa_vf_event_s {
225 u32 undefined;
226 };
227
228 struct bfa_fcs_s;
229 struct bfa_fcs_fabric_s;
230
231 /*
232 * @todo : need to move to a global config file.
233 * Maximum Rports supported per port (physical/logical).
234 */
235 #define BFA_FCS_MAX_RPORTS_SUPP 256 /* @todo : tentative value */
236
237 #define bfa_fcs_lport_t struct bfa_fcs_lport_s
238
239 /*
240 * Symbolic Name related defines
241 * Total bytes 255.
242 * Physical Port's symbolic name 128 bytes.
243 * For Vports, Vport's symbolic name is appended to the Physical port's
244 * Symbolic Name.
245 *
246 * Physical Port's symbolic name Format : (Total 128 bytes)
247 * Adapter Model number/name : 16 bytes
248 * Driver Version : 10 bytes
249 * Host Machine Name : 30 bytes
250 * Host OS Info : 44 bytes
251 * Host OS PATCH Info : 16 bytes
252 * ( remaining 12 bytes reserved to be used for separator)
253 */
254 #define BFA_FCS_PORT_SYMBNAME_SEPARATOR " | "
255
256 #define BFA_FCS_PORT_SYMBNAME_MODEL_SZ 16
257 #define BFA_FCS_PORT_SYMBNAME_VERSION_SZ 10
258 #define BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ 30
259 #define BFA_FCS_PORT_SYMBNAME_OSINFO_SZ 44
260 #define BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ 16
261
262 /*
263 * Get FC port ID for a logical port.
264 */
265 #define bfa_fcs_lport_get_fcid(_lport) ((_lport)->pid)
266 #define bfa_fcs_lport_get_pwwn(_lport) ((_lport)->port_cfg.pwwn)
267 #define bfa_fcs_lport_get_nwwn(_lport) ((_lport)->port_cfg.nwwn)
268 #define bfa_fcs_lport_get_psym_name(_lport) ((_lport)->port_cfg.sym_name)
269 #define bfa_fcs_lport_get_nsym_name(_lport) ((_lport)->port_cfg.node_sym_name)
270 #define bfa_fcs_lport_is_initiator(_lport) \
271 ((_lport)->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM)
272 #define bfa_fcs_lport_get_nrports(_lport) \
273 ((_lport) ? (_lport)->num_rports : 0)
274
275 static inline struct bfad_port_s *
bfa_fcs_lport_get_drvport(struct bfa_fcs_lport_s * port)276 bfa_fcs_lport_get_drvport(struct bfa_fcs_lport_s *port)
277 {
278 return port->bfad_port;
279 }
280
281 #define bfa_fcs_lport_get_opertype(_lport) ((_lport)->fabric->oper_type)
282 #define bfa_fcs_lport_get_fabric_name(_lport) ((_lport)->fabric->fabric_name)
283 #define bfa_fcs_lport_get_fabric_ipaddr(_lport) \
284 ((_lport)->fabric->fabric_ip_addr)
285
286 /*
287 * bfa fcs port public functions
288 */
289
290 bfa_boolean_t bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port);
291 struct bfa_fcs_lport_s *bfa_fcs_get_base_port(struct bfa_fcs_s *fcs);
292 void bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port,
293 struct bfa_rport_qualifier_s rport[], int *nrports);
294 wwn_t bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn,
295 int index, int nrports, bfa_boolean_t bwwn);
296
297 struct bfa_fcs_lport_s *bfa_fcs_lookup_port(struct bfa_fcs_s *fcs,
298 u16 vf_id, wwn_t lpwwn);
299
300 void bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port, char *symname);
301 void bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
302 struct bfa_lport_info_s *port_info);
303 void bfa_fcs_lport_get_attr(struct bfa_fcs_lport_s *port,
304 struct bfa_lport_attr_s *port_attr);
305 void bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
306 struct bfa_lport_stats_s *port_stats);
307 void bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port);
308 enum bfa_port_speed bfa_fcs_lport_get_rport_max_speed(
309 struct bfa_fcs_lport_s *port);
310
311 /* MS FCS routines */
312 void bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port);
313 void bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port);
314 void bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port);
315 void bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port);
316
317 /* FDMI FCS routines */
318 void bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms);
319 void bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms);
320 void bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms);
321 void bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport, struct fchs_s *fchs,
322 u16 len);
323 void bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
324 u16 vf_id, struct bfa_fcs_vport_s *vport);
325 void bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
326 struct bfa_lport_cfg_s *port_cfg);
327 void bfa_fcs_lport_online(struct bfa_fcs_lport_s *port);
328 void bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port);
329 void bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port);
330 void bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port);
331 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pid(
332 struct bfa_fcs_lport_s *port, u32 pid);
333 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_old_pid(
334 struct bfa_fcs_lport_s *port, u32 pid);
335 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pwwn(
336 struct bfa_fcs_lport_s *port, wwn_t pwwn);
337 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_nwwn(
338 struct bfa_fcs_lport_s *port, wwn_t nwwn);
339 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_qualifier(
340 struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 pid);
341 void bfa_fcs_lport_add_rport(struct bfa_fcs_lport_s *port,
342 struct bfa_fcs_rport_s *rport);
343 void bfa_fcs_lport_del_rport(struct bfa_fcs_lport_s *port,
344 struct bfa_fcs_rport_s *rport);
345 void bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *vport);
346 void bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *vport);
347 void bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *vport);
348 void bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port);
349 void bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg,
350 struct bfa_fcxp_s *fcxp_alloced);
351 void bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *vport);
352 void bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *vport);
353 void bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *vport);
354 void bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
355 struct fchs_s *rx_frame, u32 len);
356 void bfa_fcs_lport_lip_scn_online(bfa_fcs_lport_t *port);
357
358 struct bfa_fcs_vport_s {
359 struct list_head qe; /* queue elem */
360 bfa_sm_t sm; /* state machine */
361 bfa_fcs_lport_t lport; /* logical port */
362 struct bfa_timer_s timer;
363 struct bfad_vport_s *vport_drv; /* Driver private */
364 struct bfa_vport_stats_s vport_stats; /* vport statistics */
365 struct bfa_lps_s *lps; /* Lport login service*/
366 int fdisc_retries;
367 };
368
369 #define bfa_fcs_vport_get_port(vport) \
370 ((struct bfa_fcs_lport_s *)(&vport->port))
371
372 /*
373 * bfa fcs vport public functions
374 */
375 bfa_status_t bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport,
376 struct bfa_fcs_s *fcs, u16 vf_id,
377 struct bfa_lport_cfg_s *port_cfg,
378 struct bfad_vport_s *vport_drv);
379 bfa_status_t bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport,
380 struct bfa_fcs_s *fcs, u16 vf_id,
381 struct bfa_lport_cfg_s *port_cfg,
382 struct bfad_vport_s *vport_drv);
383 bfa_boolean_t bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport);
384 bfa_status_t bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport);
385 bfa_status_t bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport);
386 bfa_status_t bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport);
387 void bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
388 struct bfa_vport_attr_s *vport_attr);
389 struct bfa_fcs_vport_s *bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs,
390 u16 vf_id, wwn_t vpwwn);
391 void bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport);
392 void bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport);
393 void bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport);
394 void bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport);
395 void bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport);
396 void bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport);
397 void bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport);
398
399 #define BFA_FCS_RPORT_DEF_DEL_TIMEOUT 90 /* in secs */
400 #define BFA_FCS_RPORT_MAX_RETRIES (5)
401
402 /*
403 * forward declarations
404 */
405 struct bfad_rport_s;
406
407 struct bfa_fcs_itnim_s;
408 struct bfa_fcs_tin_s;
409 struct bfa_fcs_iprp_s;
410
411 /* Rport Features (RPF) */
412 struct bfa_fcs_rpf_s {
413 bfa_sm_t sm; /* state machine */
414 struct bfa_fcs_rport_s *rport; /* parent rport */
415 struct bfa_timer_s timer; /* general purpose timer */
416 struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */
417 struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */
418 int rpsc_retries; /* max RPSC retry attempts */
419 enum bfa_port_speed rpsc_speed;
420 /* Current Speed from RPSC. O if RPSC fails */
421 enum bfa_port_speed assigned_speed;
422 /*
423 * Speed assigned by the user. will be used if RPSC is
424 * not supported by the rport.
425 */
426 };
427
428 struct bfa_fcs_rport_s {
429 struct list_head qe; /* used by port/vport */
430 struct bfa_fcs_lport_s *port; /* parent FCS port */
431 struct bfa_fcs_s *fcs; /* fcs instance */
432 struct bfad_rport_s *rp_drv; /* driver peer instance */
433 u32 pid; /* port ID of rport */
434 u32 old_pid; /* PID before rport goes offline */
435 u16 maxfrsize; /* maximum frame size */
436 __be16 reply_oxid; /* OX_ID of inbound requests */
437 enum fc_cos fc_cos; /* FC classes of service supp */
438 bfa_boolean_t cisc; /* CISC capable device */
439 bfa_boolean_t prlo; /* processing prlo or LOGO */
440 bfa_boolean_t plogi_pending; /* Rx Plogi Pending */
441 wwn_t pwwn; /* port wwn of rport */
442 wwn_t nwwn; /* node wwn of rport */
443 struct bfa_rport_symname_s psym_name; /* port symbolic name */
444 bfa_sm_t sm; /* state machine */
445 struct bfa_timer_s timer; /* general purpose timer */
446 struct bfa_fcs_itnim_s *itnim; /* ITN initiator mode role */
447 struct bfa_fcs_tin_s *tin; /* ITN initiator mode role */
448 struct bfa_fcs_iprp_s *iprp; /* IP/FC role */
449 struct bfa_rport_s *bfa_rport; /* BFA Rport */
450 struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */
451 int plogi_retries; /* max plogi retry attempts */
452 int ns_retries; /* max NS query retry attempts */
453 struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */
454 struct bfa_rport_stats_s stats; /* rport stats */
455 enum bfa_rport_function scsi_function; /* Initiator/Target */
456 struct bfa_fcs_rpf_s rpf; /* Rport features module */
457 bfa_boolean_t scn_online; /* SCN online flag */
458 };
459
460 static inline struct bfa_rport_s *
bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s * rport)461 bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s *rport)
462 {
463 return rport->bfa_rport;
464 }
465
466 /*
467 * bfa fcs rport API functions
468 */
469 void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport,
470 struct bfa_rport_attr_s *attr);
471 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port,
472 wwn_t rpwwn);
473 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup_by_nwwn(
474 struct bfa_fcs_lport_s *port, wwn_t rnwwn);
475 void bfa_fcs_rport_set_del_timeout(u8 rport_tmo);
476 void bfa_fcs_rport_set_max_logins(u32 max_logins);
477 void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport,
478 struct fchs_s *fchs, u16 len);
479 void bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport);
480
481 struct bfa_fcs_rport_s *bfa_fcs_rport_create(struct bfa_fcs_lport_s *port,
482 u32 pid);
483 void bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
484 struct fc_logi_s *plogi_rsp);
485 void bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port,
486 struct fchs_s *rx_fchs,
487 struct fc_logi_s *plogi);
488 void bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs,
489 struct fc_logi_s *plogi);
490 void bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id);
491
492 void bfa_fcs_rport_itntm_ack(struct bfa_fcs_rport_s *rport);
493 void bfa_fcs_rport_fcptm_offline_done(struct bfa_fcs_rport_s *rport);
494 int bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport);
495 struct bfa_fcs_rport_s *bfa_fcs_rport_create_by_wwn(
496 struct bfa_fcs_lport_s *port, wwn_t wwn);
497 void bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport);
498 void bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport);
499 void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport);
500
501 /*
502 * forward declarations
503 */
504 struct bfad_itnim_s;
505
506 struct bfa_fcs_itnim_s {
507 bfa_sm_t sm; /* state machine */
508 struct bfa_fcs_rport_s *rport; /* parent remote rport */
509 struct bfad_itnim_s *itnim_drv; /* driver peer instance */
510 struct bfa_fcs_s *fcs; /* fcs instance */
511 struct bfa_timer_s timer; /* timer functions */
512 struct bfa_itnim_s *bfa_itnim; /* BFA itnim struct */
513 u32 prli_retries; /* max prli retry attempts */
514 bfa_boolean_t seq_rec; /* seq recovery support */
515 bfa_boolean_t rec_support; /* REC supported */
516 bfa_boolean_t conf_comp; /* FCP_CONF support */
517 bfa_boolean_t task_retry_id; /* task retry id supp */
518 struct bfa_fcxp_wqe_s fcxp_wqe; /* wait qelem for fcxp */
519 struct bfa_fcxp_s *fcxp; /* FCXP in use */
520 struct bfa_itnim_stats_s stats; /* itn statistics */
521 };
522 #define bfa_fcs_fcxp_alloc(__fcs, __req) \
523 bfa_fcxp_req_rsp_alloc(NULL, (__fcs)->bfa, 0, 0, \
524 NULL, NULL, NULL, NULL, __req)
525 #define bfa_fcs_fcxp_alloc_wait(__bfa, __wqe, __alloc_cbfn, \
526 __alloc_cbarg, __req) \
527 bfa_fcxp_req_rsp_alloc_wait(__bfa, __wqe, __alloc_cbfn, \
528 __alloc_cbarg, NULL, 0, 0, NULL, NULL, NULL, NULL, __req)
529
530 static inline struct bfad_port_s *
bfa_fcs_itnim_get_drvport(struct bfa_fcs_itnim_s * itnim)531 bfa_fcs_itnim_get_drvport(struct bfa_fcs_itnim_s *itnim)
532 {
533 return itnim->rport->port->bfad_port;
534 }
535
536
537 static inline struct bfa_fcs_lport_s *
bfa_fcs_itnim_get_port(struct bfa_fcs_itnim_s * itnim)538 bfa_fcs_itnim_get_port(struct bfa_fcs_itnim_s *itnim)
539 {
540 return itnim->rport->port;
541 }
542
543
544 static inline wwn_t
bfa_fcs_itnim_get_nwwn(struct bfa_fcs_itnim_s * itnim)545 bfa_fcs_itnim_get_nwwn(struct bfa_fcs_itnim_s *itnim)
546 {
547 return itnim->rport->nwwn;
548 }
549
550
551 static inline wwn_t
bfa_fcs_itnim_get_pwwn(struct bfa_fcs_itnim_s * itnim)552 bfa_fcs_itnim_get_pwwn(struct bfa_fcs_itnim_s *itnim)
553 {
554 return itnim->rport->pwwn;
555 }
556
557
558 static inline u32
bfa_fcs_itnim_get_fcid(struct bfa_fcs_itnim_s * itnim)559 bfa_fcs_itnim_get_fcid(struct bfa_fcs_itnim_s *itnim)
560 {
561 return itnim->rport->pid;
562 }
563
564
565 static inline u32
bfa_fcs_itnim_get_maxfrsize(struct bfa_fcs_itnim_s * itnim)566 bfa_fcs_itnim_get_maxfrsize(struct bfa_fcs_itnim_s *itnim)
567 {
568 return itnim->rport->maxfrsize;
569 }
570
571
572 static inline enum fc_cos
bfa_fcs_itnim_get_cos(struct bfa_fcs_itnim_s * itnim)573 bfa_fcs_itnim_get_cos(struct bfa_fcs_itnim_s *itnim)
574 {
575 return itnim->rport->fc_cos;
576 }
577
578
579 static inline struct bfad_itnim_s *
bfa_fcs_itnim_get_drvitn(struct bfa_fcs_itnim_s * itnim)580 bfa_fcs_itnim_get_drvitn(struct bfa_fcs_itnim_s *itnim)
581 {
582 return itnim->itnim_drv;
583 }
584
585
586 static inline struct bfa_itnim_s *
bfa_fcs_itnim_get_halitn(struct bfa_fcs_itnim_s * itnim)587 bfa_fcs_itnim_get_halitn(struct bfa_fcs_itnim_s *itnim)
588 {
589 return itnim->bfa_itnim;
590 }
591
592 /*
593 * bfa fcs FCP Initiator mode API functions
594 */
595 void bfa_fcs_itnim_get_attr(struct bfa_fcs_itnim_s *itnim,
596 struct bfa_itnim_attr_s *attr);
597 void bfa_fcs_itnim_get_stats(struct bfa_fcs_itnim_s *itnim,
598 struct bfa_itnim_stats_s *stats);
599 struct bfa_fcs_itnim_s *bfa_fcs_itnim_lookup(struct bfa_fcs_lport_s *port,
600 wwn_t rpwwn);
601 bfa_status_t bfa_fcs_itnim_attr_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn,
602 struct bfa_itnim_attr_s *attr);
603 bfa_status_t bfa_fcs_itnim_stats_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn,
604 struct bfa_itnim_stats_s *stats);
605 bfa_status_t bfa_fcs_itnim_stats_clear(struct bfa_fcs_lport_s *port,
606 wwn_t rpwwn);
607 struct bfa_fcs_itnim_s *bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport);
608 void bfa_fcs_itnim_delete(struct bfa_fcs_itnim_s *itnim);
609 void bfa_fcs_itnim_rport_offline(struct bfa_fcs_itnim_s *itnim);
610 void bfa_fcs_itnim_brp_online(struct bfa_fcs_itnim_s *itnim);
611 bfa_status_t bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim);
612 void bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim);
613 void bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim,
614 struct fchs_s *fchs, u16 len);
615
616 #define BFA_FCS_FDMI_SUPP_SPEEDS_4G (FDMI_TRANS_SPEED_1G | \
617 FDMI_TRANS_SPEED_2G | \
618 FDMI_TRANS_SPEED_4G)
619
620 #define BFA_FCS_FDMI_SUPP_SPEEDS_8G (FDMI_TRANS_SPEED_1G | \
621 FDMI_TRANS_SPEED_2G | \
622 FDMI_TRANS_SPEED_4G | \
623 FDMI_TRANS_SPEED_8G)
624
625 #define BFA_FCS_FDMI_SUPP_SPEEDS_16G (FDMI_TRANS_SPEED_2G | \
626 FDMI_TRANS_SPEED_4G | \
627 FDMI_TRANS_SPEED_8G | \
628 FDMI_TRANS_SPEED_16G)
629
630 #define BFA_FCS_FDMI_SUPP_SPEEDS_10G FDMI_TRANS_SPEED_10G
631
632 #define BFA_FCS_FDMI_VENDOR_INFO_LEN 8
633 #define BFA_FCS_FDMI_FC4_TYPE_LEN 32
634
635 /*
636 * HBA Attribute Block : BFA internal representation. Note : Some variable
637 * sizes have been trimmed to suit BFA For Ex : Model will be "QLogic ". Based
638 * on this the size has been reduced to 16 bytes from the standard's 64 bytes.
639 */
640 struct bfa_fcs_fdmi_hba_attr_s {
641 wwn_t node_name;
642 u8 manufacturer[64];
643 u8 serial_num[64];
644 u8 model[16];
645 u8 model_desc[128];
646 u8 hw_version[8];
647 u8 driver_version[BFA_VERSION_LEN];
648 u8 option_rom_ver[BFA_VERSION_LEN];
649 u8 fw_version[BFA_VERSION_LEN];
650 u8 os_name[256];
651 __be32 max_ct_pyld;
652 struct bfa_lport_symname_s node_sym_name;
653 u8 vendor_info[BFA_FCS_FDMI_VENDOR_INFO_LEN];
654 __be32 num_ports;
655 wwn_t fabric_name;
656 u8 bios_ver[BFA_VERSION_LEN];
657 };
658
659 /*
660 * Port Attribute Block
661 */
662 struct bfa_fcs_fdmi_port_attr_s {
663 u8 supp_fc4_types[BFA_FCS_FDMI_FC4_TYPE_LEN];
664 __be32 supp_speed; /* supported speed */
665 __be32 curr_speed; /* current Speed */
666 __be32 max_frm_size; /* max frame size */
667 u8 os_device_name[256]; /* OS device Name */
668 u8 host_name[256]; /* host name */
669 wwn_t port_name;
670 wwn_t node_name;
671 struct bfa_lport_symname_s port_sym_name;
672 __be32 port_type;
673 enum fc_cos scos;
674 wwn_t port_fabric_name;
675 u8 port_act_fc4_type[BFA_FCS_FDMI_FC4_TYPE_LEN];
676 __be32 port_state;
677 __be32 num_ports;
678 };
679
680 struct bfa_fcs_stats_s {
681 struct {
682 u32 untagged; /* untagged receive frames */
683 u32 tagged; /* tagged receive frames */
684 u32 vfid_unknown; /* VF id is unknown */
685 } uf;
686 };
687
688 struct bfa_fcs_driver_info_s {
689 u8 version[BFA_VERSION_LEN]; /* Driver Version */
690 u8 host_machine_name[BFA_FCS_OS_STR_LEN];
691 u8 host_os_name[BFA_FCS_OS_STR_LEN]; /* OS name and version */
692 u8 host_os_patch[BFA_FCS_OS_STR_LEN]; /* patch or service pack */
693 u8 os_device_name[BFA_FCS_OS_STR_LEN]; /* Driver Device Name */
694 };
695
696 struct bfa_fcs_s {
697 struct bfa_s *bfa; /* corresponding BFA bfa instance */
698 struct bfad_s *bfad; /* corresponding BDA driver instance */
699 struct bfa_trc_mod_s *trcmod; /* tracing module */
700 bfa_boolean_t vf_enabled; /* VF mode is enabled */
701 bfa_boolean_t fdmi_enabled; /* FDMI is enabled */
702 bfa_boolean_t min_cfg; /* min cfg enabled/disabled */
703 u16 port_vfid; /* port default VF ID */
704 struct bfa_fcs_driver_info_s driver_info;
705 struct bfa_fcs_fabric_s fabric; /* base fabric state machine */
706 struct bfa_fcs_stats_s stats; /* FCS statistics */
707 struct bfa_wc_s wc; /* waiting counter */
708 int fcs_aen_seq;
709 u32 num_rport_logins;
710 };
711
712 /*
713 * fcs_fabric_sm fabric state machine functions
714 */
715
716 /*
717 * Fabric state machine events
718 */
719 enum bfa_fcs_fabric_event {
720 BFA_FCS_FABRIC_SM_CREATE = 1, /* create from driver */
721 BFA_FCS_FABRIC_SM_DELETE = 2, /* delete from driver */
722 BFA_FCS_FABRIC_SM_LINK_DOWN = 3, /* link down from port */
723 BFA_FCS_FABRIC_SM_LINK_UP = 4, /* link up from port */
724 BFA_FCS_FABRIC_SM_CONT_OP = 5, /* flogi/auth continue op */
725 BFA_FCS_FABRIC_SM_RETRY_OP = 6, /* flogi/auth retry op */
726 BFA_FCS_FABRIC_SM_NO_FABRIC = 7, /* from flogi/auth */
727 BFA_FCS_FABRIC_SM_PERF_EVFP = 8, /* from flogi/auth */
728 BFA_FCS_FABRIC_SM_ISOLATE = 9, /* from EVFP processing */
729 BFA_FCS_FABRIC_SM_NO_TAGGING = 10, /* no VFT tagging from EVFP */
730 BFA_FCS_FABRIC_SM_DELAYED = 11, /* timeout delay event */
731 BFA_FCS_FABRIC_SM_AUTH_FAILED = 12, /* auth failed */
732 BFA_FCS_FABRIC_SM_AUTH_SUCCESS = 13, /* auth successful */
733 BFA_FCS_FABRIC_SM_DELCOMP = 14, /* all vports deleted event */
734 BFA_FCS_FABRIC_SM_LOOPBACK = 15, /* Received our own FLOGI */
735 BFA_FCS_FABRIC_SM_START = 16, /* from driver */
736 BFA_FCS_FABRIC_SM_STOP = 17, /* Stop from driver */
737 BFA_FCS_FABRIC_SM_STOPCOMP = 18, /* Stop completion */
738 BFA_FCS_FABRIC_SM_LOGOCOMP = 19, /* FLOGO completion */
739 };
740
741 /*
742 * fcs_rport_sm FCS rport state machine events
743 */
744
745 enum rport_event {
746 RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */
747 RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */
748 RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */
749 RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */
750 RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */
751 RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */
752 RPSM_EVENT_DELETE = 7, /* RPORT delete request */
753 RPSM_EVENT_FAB_SCN = 8, /* state change notification */
754 RPSM_EVENT_ACCEPTED = 9, /* Good response from remote device */
755 RPSM_EVENT_FAILED = 10, /* Request to rport failed. */
756 RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */
757 RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */
758 RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */
759 RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */
760 RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */
761 RPSM_EVENT_ADDRESS_DISC = 16, /* Need to Discover rport's PID */
762 RPSM_EVENT_PRLO_RCVD = 17, /* PRLO from remote device */
763 RPSM_EVENT_PLOGI_RETRY = 18, /* Retry PLOGI continuously */
764 RPSM_EVENT_SCN_OFFLINE = 19, /* loop scn offline */
765 RPSM_EVENT_SCN_ONLINE = 20, /* loop scn online */
766 RPSM_EVENT_FC4_FCS_ONLINE = 21, /* FC-4 FCS online complete */
767 };
768
769 /*
770 * fcs_itnim_sm FCS itnim state machine events
771 */
772 enum bfa_fcs_itnim_event {
773 BFA_FCS_ITNIM_SM_FCS_ONLINE = 1, /* rport online event */
774 BFA_FCS_ITNIM_SM_OFFLINE = 2, /* rport offline */
775 BFA_FCS_ITNIM_SM_FRMSENT = 3, /* prli frame is sent */
776 BFA_FCS_ITNIM_SM_RSP_OK = 4, /* good response */
777 BFA_FCS_ITNIM_SM_RSP_ERROR = 5, /* error response */
778 BFA_FCS_ITNIM_SM_TIMEOUT = 6, /* delay timeout */
779 BFA_FCS_ITNIM_SM_HCB_OFFLINE = 7, /* BFA online callback */
780 BFA_FCS_ITNIM_SM_HCB_ONLINE = 8, /* BFA offline callback */
781 BFA_FCS_ITNIM_SM_INITIATOR = 9, /* rport is initiator */
782 BFA_FCS_ITNIM_SM_DELETE = 10, /* delete event from rport */
783 BFA_FCS_ITNIM_SM_PRLO = 11, /* delete event from rport */
784 BFA_FCS_ITNIM_SM_RSP_NOT_SUPP = 12, /* cmd not supported rsp */
785 BFA_FCS_ITNIM_SM_HAL_ONLINE = 13, /* bfa rport online event */
786 };
787
788 /*
789 * bfa fcs API functions
790 */
791 void bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa,
792 struct bfad_s *bfad,
793 bfa_boolean_t min_cfg);
794 void bfa_fcs_init(struct bfa_fcs_s *fcs);
795 void bfa_fcs_pbc_vport_init(struct bfa_fcs_s *fcs);
796 void bfa_fcs_update_cfg(struct bfa_fcs_s *fcs);
797 void bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs,
798 struct bfa_fcs_driver_info_s *driver_info);
799 void bfa_fcs_exit(struct bfa_fcs_s *fcs);
800 void bfa_fcs_stop(struct bfa_fcs_s *fcs);
801
802 /*
803 * bfa fcs vf public functions
804 */
805 bfa_fcs_vf_t *bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id);
806 void bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t vpwwn[], int *nports);
807
808 /*
809 * fabric protected interface functions
810 */
811 void bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs);
812 void bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric);
813 void bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric);
814 void bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric,
815 struct bfa_fcs_vport_s *vport);
816 void bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric,
817 struct bfa_fcs_vport_s *vport);
818 struct bfa_fcs_vport_s *bfa_fcs_fabric_vport_lookup(
819 struct bfa_fcs_fabric_s *fabric, wwn_t pwwn);
820 void bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs);
821 void bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric,
822 struct fchs_s *fchs, u16 len);
823 void bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric);
824 void bfa_fcs_fabric_nsymb_init(struct bfa_fcs_fabric_s *fabric);
825 void bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric,
826 wwn_t fabric_name);
827 u16 bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric);
828 void bfa_fcs_fabric_modstop(struct bfa_fcs_s *fcs);
829 void bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric,
830 enum bfa_fcs_fabric_event event);
831 void bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric,
832 enum bfa_fcs_fabric_event event);
833 void bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric,
834 enum bfa_fcs_fabric_event event);
835
836 /*
837 * BFA FCS callback interfaces
838 */
839
840 /*
841 * fcb Main fcs callbacks
842 */
843
844 struct bfad_port_s;
845 struct bfad_vf_s;
846 struct bfad_vport_s;
847 struct bfad_rport_s;
848
849 /*
850 * lport callbacks
851 */
852 struct bfad_port_s *bfa_fcb_lport_new(struct bfad_s *bfad,
853 struct bfa_fcs_lport_s *port,
854 enum bfa_lport_role roles,
855 struct bfad_vf_s *vf_drv,
856 struct bfad_vport_s *vp_drv);
857
858 /*
859 * vport callbacks
860 */
861 void bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s);
862
863 /*
864 * rport callbacks
865 */
866 bfa_status_t bfa_fcb_rport_alloc(struct bfad_s *bfad,
867 struct bfa_fcs_rport_s **rport,
868 struct bfad_rport_s **rport_drv);
869
870 /*
871 * itnim callbacks
872 */
873 int bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim,
874 struct bfad_itnim_s **itnim_drv);
875 void bfa_fcb_itnim_free(struct bfad_s *bfad,
876 struct bfad_itnim_s *itnim_drv);
877 void bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv);
878 void bfa_fcb_itnim_offline(struct bfad_itnim_s *itnim_drv);
879
880 #endif /* __BFA_FCS_H__ */
881
