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perf record: Fix segfault with --no-mmap-pages
[linux/fpc-iii.git] / drivers / scsi / bfa / bfa_fcbuild.c
blobdce787f6cca2e421169e8f80b4f9a228b0f1bf4f
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 * fcbuild.c - FC link service frame building and parsing routines
19 */
20
21 #include "bfad_drv.h"
22 #include "bfa_fcbuild.h"
23
24 /*
25 * static build functions
26 */
27 static void fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
28 __be16 ox_id);
29 static void fc_bls_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
30 __be16 ox_id);
31 static struct fchs_s fc_els_req_tmpl;
32 static struct fchs_s fc_els_rsp_tmpl;
33 static struct fchs_s fc_bls_req_tmpl;
34 static struct fchs_s fc_bls_rsp_tmpl;
35 static struct fc_ba_acc_s ba_acc_tmpl;
36 static struct fc_logi_s plogi_tmpl;
37 static struct fc_prli_s prli_tmpl;
38 static struct fc_rrq_s rrq_tmpl;
39 static struct fchs_s fcp_fchs_tmpl;
40
41 void
42 fcbuild_init(void)
43 {
44 /*
45 * fc_els_req_tmpl
46 */
47 fc_els_req_tmpl.routing = FC_RTG_EXT_LINK;
48 fc_els_req_tmpl.cat_info = FC_CAT_LD_REQUEST;
49 fc_els_req_tmpl.type = FC_TYPE_ELS;
50 fc_els_req_tmpl.f_ctl =
51 bfa_hton3b(FCTL_SEQ_INI | FCTL_FS_EXCH | FCTL_END_SEQ |
52 FCTL_SI_XFER);
53 fc_els_req_tmpl.rx_id = FC_RXID_ANY;
54
55 /*
56 * fc_els_rsp_tmpl
57 */
58 fc_els_rsp_tmpl.routing = FC_RTG_EXT_LINK;
59 fc_els_rsp_tmpl.cat_info = FC_CAT_LD_REPLY;
60 fc_els_rsp_tmpl.type = FC_TYPE_ELS;
61 fc_els_rsp_tmpl.f_ctl =
62 bfa_hton3b(FCTL_EC_RESP | FCTL_SEQ_INI | FCTL_LS_EXCH |
63 FCTL_END_SEQ | FCTL_SI_XFER);
64 fc_els_rsp_tmpl.rx_id = FC_RXID_ANY;
65
66 /*
67 * fc_bls_req_tmpl
68 */
69 fc_bls_req_tmpl.routing = FC_RTG_BASIC_LINK;
70 fc_bls_req_tmpl.type = FC_TYPE_BLS;
71 fc_bls_req_tmpl.f_ctl = bfa_hton3b(FCTL_END_SEQ | FCTL_SI_XFER);
72 fc_bls_req_tmpl.rx_id = FC_RXID_ANY;
73
74 /*
75 * fc_bls_rsp_tmpl
76 */
77 fc_bls_rsp_tmpl.routing = FC_RTG_BASIC_LINK;
78 fc_bls_rsp_tmpl.cat_info = FC_CAT_BA_ACC;
79 fc_bls_rsp_tmpl.type = FC_TYPE_BLS;
80 fc_bls_rsp_tmpl.f_ctl =
81 bfa_hton3b(FCTL_EC_RESP | FCTL_SEQ_INI | FCTL_LS_EXCH |
82 FCTL_END_SEQ | FCTL_SI_XFER);
83 fc_bls_rsp_tmpl.rx_id = FC_RXID_ANY;
84
85 /*
86 * ba_acc_tmpl
87 */
88 ba_acc_tmpl.seq_id_valid = 0;
89 ba_acc_tmpl.low_seq_cnt = 0;
90 ba_acc_tmpl.high_seq_cnt = 0xFFFF;
91
92 /*
93 * plogi_tmpl
94 */
95 plogi_tmpl.csp.verhi = FC_PH_VER_PH_3;
96 plogi_tmpl.csp.verlo = FC_PH_VER_4_3;
97 plogi_tmpl.csp.ciro = 0x1;
98 plogi_tmpl.csp.cisc = 0x0;
99 plogi_tmpl.csp.altbbcred = 0x0;
100 plogi_tmpl.csp.conseq = cpu_to_be16(0x00FF);
101 plogi_tmpl.csp.ro_bitmap = cpu_to_be16(0x0002);
102 plogi_tmpl.csp.e_d_tov = cpu_to_be32(2000);
103
104 plogi_tmpl.class3.class_valid = 1;
105 plogi_tmpl.class3.sequential = 1;
106 plogi_tmpl.class3.conseq = 0xFF;
107 plogi_tmpl.class3.ospx = 1;
108
109 /*
110 * prli_tmpl
111 */
112 prli_tmpl.command = FC_ELS_PRLI;
113 prli_tmpl.pglen = 0x10;
114 prli_tmpl.pagebytes = cpu_to_be16(0x0014);
115 prli_tmpl.parampage.type = FC_TYPE_FCP;
116 prli_tmpl.parampage.imagepair = 1;
117 prli_tmpl.parampage.servparams.rxrdisab = 1;
118
119 /*
120 * rrq_tmpl
121 */
122 rrq_tmpl.els_cmd.els_code = FC_ELS_RRQ;
123
124 /*
125 * fcp_struct fchs_s mpl
126 */
127 fcp_fchs_tmpl.routing = FC_RTG_FC4_DEV_DATA;
128 fcp_fchs_tmpl.cat_info = FC_CAT_UNSOLICIT_CMD;
129 fcp_fchs_tmpl.type = FC_TYPE_FCP;
130 fcp_fchs_tmpl.f_ctl =
131 bfa_hton3b(FCTL_FS_EXCH | FCTL_END_SEQ | FCTL_SI_XFER);
132 fcp_fchs_tmpl.seq_id = 1;
133 fcp_fchs_tmpl.rx_id = FC_RXID_ANY;
134 }
135
136 static void
137 fc_gs_fchdr_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u32 ox_id)
138 {
139 memset(fchs, 0, sizeof(struct fchs_s));
140
141 fchs->routing = FC_RTG_FC4_DEV_DATA;
142 fchs->cat_info = FC_CAT_UNSOLICIT_CTRL;
143 fchs->type = FC_TYPE_SERVICES;
144 fchs->f_ctl =
145 bfa_hton3b(FCTL_SEQ_INI | FCTL_FS_EXCH | FCTL_END_SEQ |
146 FCTL_SI_XFER);
147 fchs->rx_id = FC_RXID_ANY;
148 fchs->d_id = (d_id);
149 fchs->s_id = (s_id);
150 fchs->ox_id = cpu_to_be16(ox_id);
151
152 /*
153 * @todo no need to set ox_id for request
154 * no need to set rx_id for response
155 */
156 }
157
158 static void
159 fc_gsresp_fchdr_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id)
160 {
161 memset(fchs, 0, sizeof(struct fchs_s));
162
163 fchs->routing = FC_RTG_FC4_DEV_DATA;
164 fchs->cat_info = FC_CAT_SOLICIT_CTRL;
165 fchs->type = FC_TYPE_SERVICES;
166 fchs->f_ctl =
167 bfa_hton3b(FCTL_EC_RESP | FCTL_SEQ_INI | FCTL_LS_EXCH |
168 FCTL_END_SEQ | FCTL_SI_XFER);
169 fchs->d_id = d_id;
170 fchs->s_id = s_id;
171 fchs->ox_id = ox_id;
172 }
173
174 void
175 fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id, __be16 ox_id)
176 {
177 memcpy(fchs, &fc_els_req_tmpl, sizeof(struct fchs_s));
178 fchs->d_id = (d_id);
179 fchs->s_id = (s_id);
180 fchs->ox_id = cpu_to_be16(ox_id);
181 }
182
183 static void
184 fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, __be16 ox_id)
185 {
186 memcpy(fchs, &fc_els_rsp_tmpl, sizeof(struct fchs_s));
187 fchs->d_id = d_id;
188 fchs->s_id = s_id;
189 fchs->ox_id = ox_id;
190 }
191
192 enum fc_parse_status
193 fc_els_rsp_parse(struct fchs_s *fchs, int len)
194 {
195 struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
196 struct fc_ls_rjt_s *ls_rjt = (struct fc_ls_rjt_s *) els_cmd;
197
198 len = len;
199
200 switch (els_cmd->els_code) {
201 case FC_ELS_LS_RJT:
202 if (ls_rjt->reason_code == FC_LS_RJT_RSN_LOGICAL_BUSY)
203 return FC_PARSE_BUSY;
204 else
205 return FC_PARSE_FAILURE;
206
207 case FC_ELS_ACC:
208 return FC_PARSE_OK;
209 }
210 return FC_PARSE_OK;
211 }
212
213 static void
214 fc_bls_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, __be16 ox_id)
215 {
216 memcpy(fchs, &fc_bls_rsp_tmpl, sizeof(struct fchs_s));
217 fchs->d_id = d_id;
218 fchs->s_id = s_id;
219 fchs->ox_id = ox_id;
220 }
221
222 static u16
223 fc_plogi_x_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
224 __be16 ox_id, wwn_t port_name, wwn_t node_name,
225 u16 pdu_size, u16 bb_cr, u8 els_code)
226 {
227 struct fc_logi_s *plogi = (struct fc_logi_s *) (pld);
228
229 memcpy(plogi, &plogi_tmpl, sizeof(struct fc_logi_s));
230
231 /* For FC AL bb_cr is 0 and altbbcred is 1 */
232 if (!bb_cr)
233 plogi->csp.altbbcred = 1;
234
235 plogi->els_cmd.els_code = els_code;
236 if (els_code == FC_ELS_PLOGI)
237 fc_els_req_build(fchs, d_id, s_id, ox_id);
238 else
239 fc_els_rsp_build(fchs, d_id, s_id, ox_id);
240
241 plogi->csp.rxsz = plogi->class3.rxsz = cpu_to_be16(pdu_size);
242 plogi->csp.bbcred = cpu_to_be16(bb_cr);
243
244 memcpy(&plogi->port_name, &port_name, sizeof(wwn_t));
245 memcpy(&plogi->node_name, &node_name, sizeof(wwn_t));
246
247 return sizeof(struct fc_logi_s);
248 }
249
250 u16
251 fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id,
252 u16 ox_id, wwn_t port_name, wwn_t node_name, u16 pdu_size,
253 u8 set_npiv, u8 set_auth, u16 local_bb_credits)
254 {
255 u32 d_id = bfa_hton3b(FC_FABRIC_PORT);
256 __be32 *vvl_info;
257
258 memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s));
259
260 flogi->els_cmd.els_code = FC_ELS_FLOGI;
261 fc_els_req_build(fchs, d_id, s_id, ox_id);
262
263 flogi->csp.rxsz = flogi->class3.rxsz = cpu_to_be16(pdu_size);
264 flogi->port_name = port_name;
265 flogi->node_name = node_name;
266
267 /*
268 * Set the NPIV Capability Bit ( word 1, bit 31) of Common
269 * Service Parameters.
270 */
271 flogi->csp.ciro = set_npiv;
272
273 /* set AUTH capability */
274 flogi->csp.security = set_auth;
275
276 flogi->csp.bbcred = cpu_to_be16(local_bb_credits);
277
278 /* Set brcd token in VVL */
279 vvl_info = (u32 *)&flogi->vvl[0];
280
281 /* set the flag to indicate the presence of VVL */
282 flogi->csp.npiv_supp = 1; /* @todo. field name is not correct */
283 vvl_info[0] = cpu_to_be32(FLOGI_VVL_BRCD);
284
285 return sizeof(struct fc_logi_s);
286 }
287
288 u16
289 fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id,
290 __be16 ox_id, wwn_t port_name, wwn_t node_name,
291 u16 pdu_size, u16 local_bb_credits, u8 bb_scn)
292 {
293 u32 d_id = 0;
294 u16 bbscn_rxsz = (bb_scn << 12) | pdu_size;
295
296 memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s));
297 fc_els_rsp_build(fchs, d_id, s_id, ox_id);
298
299 flogi->els_cmd.els_code = FC_ELS_ACC;
300 flogi->class3.rxsz = cpu_to_be16(pdu_size);
301 flogi->csp.rxsz = cpu_to_be16(bbscn_rxsz); /* bb_scn/rxsz */
302 flogi->port_name = port_name;
303 flogi->node_name = node_name;
304
305 flogi->csp.bbcred = cpu_to_be16(local_bb_credits);
306
307 return sizeof(struct fc_logi_s);
308 }
309
310 u16
311 fc_fdisc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id,
312 u16 ox_id, wwn_t port_name, wwn_t node_name, u16 pdu_size)
313 {
314 u32 d_id = bfa_hton3b(FC_FABRIC_PORT);
315
316 memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s));
317
318 flogi->els_cmd.els_code = FC_ELS_FDISC;
319 fc_els_req_build(fchs, d_id, s_id, ox_id);
320
321 flogi->csp.rxsz = flogi->class3.rxsz = cpu_to_be16(pdu_size);
322 flogi->port_name = port_name;
323 flogi->node_name = node_name;
324
325 return sizeof(struct fc_logi_s);
326 }
327
328 u16
329 fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
330 u16 ox_id, wwn_t port_name, wwn_t node_name,
331 u16 pdu_size, u16 bb_cr)
332 {
333 return fc_plogi_x_build(fchs, pld, d_id, s_id, ox_id, port_name,
334 node_name, pdu_size, bb_cr, FC_ELS_PLOGI);
335 }
336
337 u16
338 fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
339 u16 ox_id, wwn_t port_name, wwn_t node_name,
340 u16 pdu_size, u16 bb_cr)
341 {
342 return fc_plogi_x_build(fchs, pld, d_id, s_id, ox_id, port_name,
343 node_name, pdu_size, bb_cr, FC_ELS_ACC);
344 }
345
346 enum fc_parse_status
347 fc_plogi_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name)
348 {
349 struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
350 struct fc_logi_s *plogi;
351 struct fc_ls_rjt_s *ls_rjt;
352
353 switch (els_cmd->els_code) {
354 case FC_ELS_LS_RJT:
355 ls_rjt = (struct fc_ls_rjt_s *) (fchs + 1);
356 if (ls_rjt->reason_code == FC_LS_RJT_RSN_LOGICAL_BUSY)
357 return FC_PARSE_BUSY;
358 else
359 return FC_PARSE_FAILURE;
360 case FC_ELS_ACC:
361 plogi = (struct fc_logi_s *) (fchs + 1);
362 if (len < sizeof(struct fc_logi_s))
363 return FC_PARSE_FAILURE;
364
365 if (!wwn_is_equal(plogi->port_name, port_name))
366 return FC_PARSE_FAILURE;
367
368 if (!plogi->class3.class_valid)
369 return FC_PARSE_FAILURE;
370
371 if (be16_to_cpu(plogi->class3.rxsz) < (FC_MIN_PDUSZ))
372 return FC_PARSE_FAILURE;
373
374 return FC_PARSE_OK;
375 default:
376 return FC_PARSE_FAILURE;
377 }
378 }
379
380 enum fc_parse_status
381 fc_plogi_parse(struct fchs_s *fchs)
382 {
383 struct fc_logi_s *plogi = (struct fc_logi_s *) (fchs + 1);
384
385 if (plogi->class3.class_valid != 1)
386 return FC_PARSE_FAILURE;
387
388 if ((be16_to_cpu(plogi->class3.rxsz) < FC_MIN_PDUSZ)
389 || (be16_to_cpu(plogi->class3.rxsz) > FC_MAX_PDUSZ)
390 || (plogi->class3.rxsz == 0))
391 return FC_PARSE_FAILURE;
392
393 return FC_PARSE_OK;
394 }
395
396 u16
397 fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
398 u16 ox_id)
399 {
400 struct fc_prli_s *prli = (struct fc_prli_s *) (pld);
401
402 fc_els_req_build(fchs, d_id, s_id, ox_id);
403 memcpy(prli, &prli_tmpl, sizeof(struct fc_prli_s));
404
405 prli->command = FC_ELS_PRLI;
406 prli->parampage.servparams.initiator = 1;
407 prli->parampage.servparams.retry = 1;
408 prli->parampage.servparams.rec_support = 1;
409 prli->parampage.servparams.task_retry_id = 0;
410 prli->parampage.servparams.confirm = 1;
411
412 return sizeof(struct fc_prli_s);
413 }
414
415 u16
416 fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
417 __be16 ox_id, enum bfa_lport_role role)
418 {
419 struct fc_prli_s *prli = (struct fc_prli_s *) (pld);
420
421 fc_els_rsp_build(fchs, d_id, s_id, ox_id);
422 memcpy(prli, &prli_tmpl, sizeof(struct fc_prli_s));
423
424 prli->command = FC_ELS_ACC;
425
426 prli->parampage.servparams.initiator = 1;
427
428 prli->parampage.rspcode = FC_PRLI_ACC_XQTD;
429
430 return sizeof(struct fc_prli_s);
431 }
432
433 enum fc_parse_status
434 fc_prli_rsp_parse(struct fc_prli_s *prli, int len)
435 {
436 if (len < sizeof(struct fc_prli_s))
437 return FC_PARSE_FAILURE;
438
439 if (prli->command != FC_ELS_ACC)
440 return FC_PARSE_FAILURE;
441
442 if ((prli->parampage.rspcode != FC_PRLI_ACC_XQTD)
443 && (prli->parampage.rspcode != FC_PRLI_ACC_PREDEF_IMG))
444 return FC_PARSE_FAILURE;
445
446 if (prli->parampage.servparams.target != 1)
447 return FC_PARSE_FAILURE;
448
449 return FC_PARSE_OK;
450 }
451
452 enum fc_parse_status
453 fc_prli_parse(struct fc_prli_s *prli)
454 {
455 if (prli->parampage.type != FC_TYPE_FCP)
456 return FC_PARSE_FAILURE;
457
458 if (!prli->parampage.imagepair)
459 return FC_PARSE_FAILURE;
460
461 if (!prli->parampage.servparams.initiator)
462 return FC_PARSE_FAILURE;
463
464 return FC_PARSE_OK;
465 }
466
467 u16
468 fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id, u32 s_id,
469 u16 ox_id, wwn_t port_name)
470 {
471 fc_els_req_build(fchs, d_id, s_id, ox_id);
472
473 memset(logo, '\0', sizeof(struct fc_logo_s));
474 logo->els_cmd.els_code = FC_ELS_LOGO;
475 logo->nport_id = (s_id);
476 logo->orig_port_name = port_name;
477
478 return sizeof(struct fc_logo_s);
479 }
480
481 static u16
482 fc_adisc_x_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id,
483 u32 s_id, __be16 ox_id, wwn_t port_name,
484 wwn_t node_name, u8 els_code)
485 {
486 memset(adisc, '\0', sizeof(struct fc_adisc_s));
487
488 adisc->els_cmd.els_code = els_code;
489
490 if (els_code == FC_ELS_ADISC)
491 fc_els_req_build(fchs, d_id, s_id, ox_id);
492 else
493 fc_els_rsp_build(fchs, d_id, s_id, ox_id);
494
495 adisc->orig_HA = 0;
496 adisc->orig_port_name = port_name;
497 adisc->orig_node_name = node_name;
498 adisc->nport_id = (s_id);
499
500 return sizeof(struct fc_adisc_s);
501 }
502
503 u16
504 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id,
505 u32 s_id, __be16 ox_id, wwn_t port_name, wwn_t node_name)
506 {
507 return fc_adisc_x_build(fchs, adisc, d_id, s_id, ox_id, port_name,
508 node_name, FC_ELS_ADISC);
509 }
510
511 u16
512 fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id,
513 u32 s_id, __be16 ox_id, wwn_t port_name,
514 wwn_t node_name)
515 {
516 return fc_adisc_x_build(fchs, adisc, d_id, s_id, ox_id, port_name,
517 node_name, FC_ELS_ACC);
518 }
519
520 enum fc_parse_status
521 fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len, wwn_t port_name,
522 wwn_t node_name)
523 {
524
525 if (len < sizeof(struct fc_adisc_s))
526 return FC_PARSE_FAILURE;
527
528 if (adisc->els_cmd.els_code != FC_ELS_ACC)
529 return FC_PARSE_FAILURE;
530
531 if (!wwn_is_equal(adisc->orig_port_name, port_name))
532 return FC_PARSE_FAILURE;
533
534 return FC_PARSE_OK;
535 }
536
537 enum fc_parse_status
538 fc_adisc_parse(struct fchs_s *fchs, void *pld, u32 host_dap, wwn_t node_name,
539 wwn_t port_name)
540 {
541 struct fc_adisc_s *adisc = (struct fc_adisc_s *) pld;
542
543 if (adisc->els_cmd.els_code != FC_ELS_ACC)
544 return FC_PARSE_FAILURE;
545
546 if ((adisc->nport_id == (host_dap))
547 && wwn_is_equal(adisc->orig_port_name, port_name)
548 && wwn_is_equal(adisc->orig_node_name, node_name))
549 return FC_PARSE_OK;
550
551 return FC_PARSE_FAILURE;
552 }
553
554 enum fc_parse_status
555 fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name, wwn_t port_name)
556 {
557 struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1);
558
559 if (pdisc->class3.class_valid != 1)
560 return FC_PARSE_FAILURE;
561
562 if ((be16_to_cpu(pdisc->class3.rxsz) <
563 (FC_MIN_PDUSZ - sizeof(struct fchs_s)))
564 || (pdisc->class3.rxsz == 0))
565 return FC_PARSE_FAILURE;
566
567 if (!wwn_is_equal(pdisc->port_name, port_name))
568 return FC_PARSE_FAILURE;
569
570 if (!wwn_is_equal(pdisc->node_name, node_name))
571 return FC_PARSE_FAILURE;
572
573 return FC_PARSE_OK;
574 }
575
576 u16
577 fc_abts_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id)
578 {
579 memcpy(fchs, &fc_bls_req_tmpl, sizeof(struct fchs_s));
580 fchs->cat_info = FC_CAT_ABTS;
581 fchs->d_id = (d_id);
582 fchs->s_id = (s_id);
583 fchs->ox_id = cpu_to_be16(ox_id);
584
585 return sizeof(struct fchs_s);
586 }
587
588 enum fc_parse_status
589 fc_abts_rsp_parse(struct fchs_s *fchs, int len)
590 {
591 if ((fchs->cat_info == FC_CAT_BA_ACC)
592 || (fchs->cat_info == FC_CAT_BA_RJT))
593 return FC_PARSE_OK;
594
595 return FC_PARSE_FAILURE;
596 }
597
598 u16
599 fc_rrq_build(struct fchs_s *fchs, struct fc_rrq_s *rrq, u32 d_id, u32 s_id,
600 u16 ox_id, u16 rrq_oxid)
601 {
602 fc_els_req_build(fchs, d_id, s_id, ox_id);
603
604 /*
605 * build rrq payload
606 */
607 memcpy(rrq, &rrq_tmpl, sizeof(struct fc_rrq_s));
608 rrq->s_id = (s_id);
609 rrq->ox_id = cpu_to_be16(rrq_oxid);
610 rrq->rx_id = FC_RXID_ANY;
611
612 return sizeof(struct fc_rrq_s);
613 }
614
615 u16
616 fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
617 __be16 ox_id)
618 {
619 struct fc_els_cmd_s *acc = pld;
620
621 fc_els_rsp_build(fchs, d_id, s_id, ox_id);
622
623 memset(acc, 0, sizeof(struct fc_els_cmd_s));
624 acc->els_code = FC_ELS_ACC;
625
626 return sizeof(struct fc_els_cmd_s);
627 }
628
629 u16
630 fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt, u32 d_id,
631 u32 s_id, __be16 ox_id, u8 reason_code,
632 u8 reason_code_expl)
633 {
634 fc_els_rsp_build(fchs, d_id, s_id, ox_id);
635 memset(ls_rjt, 0, sizeof(struct fc_ls_rjt_s));
636
637 ls_rjt->els_cmd.els_code = FC_ELS_LS_RJT;
638 ls_rjt->reason_code = reason_code;
639 ls_rjt->reason_code_expl = reason_code_expl;
640 ls_rjt->vendor_unique = 0x00;
641
642 return sizeof(struct fc_ls_rjt_s);
643 }
644
645 u16
646 fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, u32 d_id,
647 u32 s_id, __be16 ox_id, u16 rx_id)
648 {
649 fc_bls_rsp_build(fchs, d_id, s_id, ox_id);
650
651 memcpy(ba_acc, &ba_acc_tmpl, sizeof(struct fc_ba_acc_s));
652
653 fchs->rx_id = rx_id;
654
655 ba_acc->ox_id = fchs->ox_id;
656 ba_acc->rx_id = fchs->rx_id;
657
658 return sizeof(struct fc_ba_acc_s);
659 }
660
661 u16
662 fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd, u32 d_id,
663 u32 s_id, __be16 ox_id)
664 {
665 fc_els_rsp_build(fchs, d_id, s_id, ox_id);
666 memset(els_cmd, 0, sizeof(struct fc_els_cmd_s));
667 els_cmd->els_code = FC_ELS_ACC;
668
669 return sizeof(struct fc_els_cmd_s);
670 }
671
672 int
673 fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code)
674 {
675 int num_pages = 0;
676 struct fc_prlo_s *prlo;
677 struct fc_tprlo_s *tprlo;
678
679 if (els_code == FC_ELS_PRLO) {
680 prlo = (struct fc_prlo_s *) (fc_frame + 1);
681 num_pages = (be16_to_cpu(prlo->payload_len) - 4) / 16;
682 } else {
683 tprlo = (struct fc_tprlo_s *) (fc_frame + 1);
684 num_pages = (be16_to_cpu(tprlo->payload_len) - 4) / 16;
685 }
686 return num_pages;
687 }
688
689 u16
690 fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc,
691 u32 d_id, u32 s_id, __be16 ox_id, int num_pages)
692 {
693 int page;
694
695 fc_els_rsp_build(fchs, d_id, s_id, ox_id);
696
697 memset(tprlo_acc, 0, (num_pages * 16) + 4);
698 tprlo_acc->command = FC_ELS_ACC;
699
700 tprlo_acc->page_len = 0x10;
701 tprlo_acc->payload_len = cpu_to_be16((num_pages * 16) + 4);
702
703 for (page = 0; page < num_pages; page++) {
704 tprlo_acc->tprlo_acc_params[page].opa_valid = 0;
705 tprlo_acc->tprlo_acc_params[page].rpa_valid = 0;
706 tprlo_acc->tprlo_acc_params[page].fc4type_csp = FC_TYPE_FCP;
707 tprlo_acc->tprlo_acc_params[page].orig_process_assc = 0;
708 tprlo_acc->tprlo_acc_params[page].resp_process_assc = 0;
709 }
710 return be16_to_cpu(tprlo_acc->payload_len);
711 }
712
713 u16
714 fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc, u32 d_id,
715 u32 s_id, __be16 ox_id, int num_pages)
716 {
717 int page;
718
719 fc_els_rsp_build(fchs, d_id, s_id, ox_id);
720
721 memset(prlo_acc, 0, (num_pages * 16) + 4);
722 prlo_acc->command = FC_ELS_ACC;
723 prlo_acc->page_len = 0x10;
724 prlo_acc->payload_len = cpu_to_be16((num_pages * 16) + 4);
725
726 for (page = 0; page < num_pages; page++) {
727 prlo_acc->prlo_acc_params[page].opa_valid = 0;
728 prlo_acc->prlo_acc_params[page].rpa_valid = 0;
729 prlo_acc->prlo_acc_params[page].fc4type_csp = FC_TYPE_FCP;
730 prlo_acc->prlo_acc_params[page].orig_process_assc = 0;
731 prlo_acc->prlo_acc_params[page].resp_process_assc = 0;
732 }
733
734 return be16_to_cpu(prlo_acc->payload_len);
735 }
736
737 u16
738 fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid, u32 d_id,
739 u32 s_id, u16 ox_id, u32 data_format)
740 {
741 fc_els_req_build(fchs, d_id, s_id, ox_id);
742
743 memset(rnid, 0, sizeof(struct fc_rnid_cmd_s));
744
745 rnid->els_cmd.els_code = FC_ELS_RNID;
746 rnid->node_id_data_format = data_format;
747
748 return sizeof(struct fc_rnid_cmd_s);
749 }
750
751 u16
752 fc_rnid_acc_build(struct fchs_s *fchs, struct fc_rnid_acc_s *rnid_acc, u32 d_id,
753 u32 s_id, __be16 ox_id, u32 data_format,
754 struct fc_rnid_common_id_data_s *common_id_data,
755 struct fc_rnid_general_topology_data_s *gen_topo_data)
756 {
757 memset(rnid_acc, 0, sizeof(struct fc_rnid_acc_s));
758
759 fc_els_rsp_build(fchs, d_id, s_id, ox_id);
760
761 rnid_acc->els_cmd.els_code = FC_ELS_ACC;
762 rnid_acc->node_id_data_format = data_format;
763 rnid_acc->common_id_data_length =
764 sizeof(struct fc_rnid_common_id_data_s);
765 rnid_acc->common_id_data = *common_id_data;
766
767 if (data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
768 rnid_acc->specific_id_data_length =
769 sizeof(struct fc_rnid_general_topology_data_s);
770 rnid_acc->gen_topology_data = *gen_topo_data;
771 return sizeof(struct fc_rnid_acc_s);
772 } else {
773 return sizeof(struct fc_rnid_acc_s) -
774 sizeof(struct fc_rnid_general_topology_data_s);
775 }
776
777 }
778
779 u16
780 fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc, u32 d_id,
781 u32 s_id, u16 ox_id)
782 {
783 fc_els_req_build(fchs, d_id, s_id, ox_id);
784
785 memset(rpsc, 0, sizeof(struct fc_rpsc_cmd_s));
786
787 rpsc->els_cmd.els_code = FC_ELS_RPSC;
788 return sizeof(struct fc_rpsc_cmd_s);
789 }
790
791 u16
792 fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rpsc2, u32 d_id,
793 u32 s_id, u32 *pid_list, u16 npids)
794 {
795 u32 dctlr_id = FC_DOMAIN_CTRLR(bfa_hton3b(d_id));
796 int i = 0;
797
798 fc_els_req_build(fchs, bfa_hton3b(dctlr_id), s_id, 0);
799
800 memset(rpsc2, 0, sizeof(struct fc_rpsc2_cmd_s));
801
802 rpsc2->els_cmd.els_code = FC_ELS_RPSC;
803 rpsc2->token = cpu_to_be32(FC_BRCD_TOKEN);
804 rpsc2->num_pids = cpu_to_be16(npids);
805 for (i = 0; i < npids; i++)
806 rpsc2->pid_list[i].pid = pid_list[i];
807
808 return sizeof(struct fc_rpsc2_cmd_s) + ((npids - 1) * (sizeof(u32)));
809 }
810
811 u16
812 fc_rpsc_acc_build(struct fchs_s *fchs, struct fc_rpsc_acc_s *rpsc_acc,
813 u32 d_id, u32 s_id, __be16 ox_id,
814 struct fc_rpsc_speed_info_s *oper_speed)
815 {
816 memset(rpsc_acc, 0, sizeof(struct fc_rpsc_acc_s));
817
818 fc_els_rsp_build(fchs, d_id, s_id, ox_id);
819
820 rpsc_acc->command = FC_ELS_ACC;
821 rpsc_acc->num_entries = cpu_to_be16(1);
822
823 rpsc_acc->speed_info[0].port_speed_cap =
824 cpu_to_be16(oper_speed->port_speed_cap);
825
826 rpsc_acc->speed_info[0].port_op_speed =
827 cpu_to_be16(oper_speed->port_op_speed);
828
829 return sizeof(struct fc_rpsc_acc_s);
830 }
831
832 u16
833 fc_logo_rsp_parse(struct fchs_s *fchs, int len)
834 {
835 struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
836
837 len = len;
838 if (els_cmd->els_code != FC_ELS_ACC)
839 return FC_PARSE_FAILURE;
840
841 return FC_PARSE_OK;
842 }
843
844 u16
845 fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id,
846 wwn_t port_name, wwn_t node_name, u16 pdu_size)
847 {
848 struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1);
849
850 memcpy(pdisc, &plogi_tmpl, sizeof(struct fc_logi_s));
851
852 pdisc->els_cmd.els_code = FC_ELS_PDISC;
853 fc_els_req_build(fchs, d_id, s_id, ox_id);
854
855 pdisc->csp.rxsz = pdisc->class3.rxsz = cpu_to_be16(pdu_size);
856 pdisc->port_name = port_name;
857 pdisc->node_name = node_name;
858
859 return sizeof(struct fc_logi_s);
860 }
861
862 u16
863 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name)
864 {
865 struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1);
866
867 if (len < sizeof(struct fc_logi_s))
868 return FC_PARSE_LEN_INVAL;
869
870 if (pdisc->els_cmd.els_code != FC_ELS_ACC)
871 return FC_PARSE_ACC_INVAL;
872
873 if (!wwn_is_equal(pdisc->port_name, port_name))
874 return FC_PARSE_PWWN_NOT_EQUAL;
875
876 if (!pdisc->class3.class_valid)
877 return FC_PARSE_NWWN_NOT_EQUAL;
878
879 if (be16_to_cpu(pdisc->class3.rxsz) < (FC_MIN_PDUSZ))
880 return FC_PARSE_RXSZ_INVAL;
881
882 return FC_PARSE_OK;
883 }
884
885 u16
886 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id,
887 int num_pages)
888 {
889 struct fc_prlo_s *prlo = (struct fc_prlo_s *) (fchs + 1);
890 int page;
891
892 fc_els_req_build(fchs, d_id, s_id, ox_id);
893 memset(prlo, 0, (num_pages * 16) + 4);
894 prlo->command = FC_ELS_PRLO;
895 prlo->page_len = 0x10;
896 prlo->payload_len = cpu_to_be16((num_pages * 16) + 4);
897
898 for (page = 0; page < num_pages; page++) {
899 prlo->prlo_params[page].type = FC_TYPE_FCP;
900 prlo->prlo_params[page].opa_valid = 0;
901 prlo->prlo_params[page].rpa_valid = 0;
902 prlo->prlo_params[page].orig_process_assc = 0;
903 prlo->prlo_params[page].resp_process_assc = 0;
904 }
905
906 return be16_to_cpu(prlo->payload_len);
907 }
908
909 u16
910 fc_prlo_rsp_parse(struct fchs_s *fchs, int len)
911 {
912 struct fc_prlo_acc_s *prlo = (struct fc_prlo_acc_s *) (fchs + 1);
913 int num_pages = 0;
914 int page = 0;
915
916 len = len;
917
918 if (prlo->command != FC_ELS_ACC)
919 return FC_PARSE_FAILURE;
920
921 num_pages = ((be16_to_cpu(prlo->payload_len)) - 4) / 16;
922
923 for (page = 0; page < num_pages; page++) {
924 if (prlo->prlo_acc_params[page].type != FC_TYPE_FCP)
925 return FC_PARSE_FAILURE;
926
927 if (prlo->prlo_acc_params[page].opa_valid != 0)
928 return FC_PARSE_FAILURE;
929
930 if (prlo->prlo_acc_params[page].rpa_valid != 0)
931 return FC_PARSE_FAILURE;
932
933 if (prlo->prlo_acc_params[page].orig_process_assc != 0)
934 return FC_PARSE_FAILURE;
935
936 if (prlo->prlo_acc_params[page].resp_process_assc != 0)
937 return FC_PARSE_FAILURE;
938 }
939 return FC_PARSE_OK;
940
941 }
942
943 u16
944 fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id,
945 int num_pages, enum fc_tprlo_type tprlo_type, u32 tpr_id)
946 {
947 struct fc_tprlo_s *tprlo = (struct fc_tprlo_s *) (fchs + 1);
948 int page;
949
950 fc_els_req_build(fchs, d_id, s_id, ox_id);
951 memset(tprlo, 0, (num_pages * 16) + 4);
952 tprlo->command = FC_ELS_TPRLO;
953 tprlo->page_len = 0x10;
954 tprlo->payload_len = cpu_to_be16((num_pages * 16) + 4);
955
956 for (page = 0; page < num_pages; page++) {
957 tprlo->tprlo_params[page].type = FC_TYPE_FCP;
958 tprlo->tprlo_params[page].opa_valid = 0;
959 tprlo->tprlo_params[page].rpa_valid = 0;
960 tprlo->tprlo_params[page].orig_process_assc = 0;
961 tprlo->tprlo_params[page].resp_process_assc = 0;
962 if (tprlo_type == FC_GLOBAL_LOGO) {
963 tprlo->tprlo_params[page].global_process_logout = 1;
964 } else if (tprlo_type == FC_TPR_LOGO) {
965 tprlo->tprlo_params[page].tpo_nport_valid = 1;
966 tprlo->tprlo_params[page].tpo_nport_id = (tpr_id);
967 }
968 }
969
970 return be16_to_cpu(tprlo->payload_len);
971 }
972
973 u16
974 fc_tprlo_rsp_parse(struct fchs_s *fchs, int len)
975 {
976 struct fc_tprlo_acc_s *tprlo = (struct fc_tprlo_acc_s *) (fchs + 1);
977 int num_pages = 0;
978 int page = 0;
979
980 len = len;
981
982 if (tprlo->command != FC_ELS_ACC)
983 return FC_PARSE_ACC_INVAL;
984
985 num_pages = (be16_to_cpu(tprlo->payload_len) - 4) / 16;
986
987 for (page = 0; page < num_pages; page++) {
988 if (tprlo->tprlo_acc_params[page].type != FC_TYPE_FCP)
989 return FC_PARSE_NOT_FCP;
990 if (tprlo->tprlo_acc_params[page].opa_valid != 0)
991 return FC_PARSE_OPAFLAG_INVAL;
992 if (tprlo->tprlo_acc_params[page].rpa_valid != 0)
993 return FC_PARSE_RPAFLAG_INVAL;
994 if (tprlo->tprlo_acc_params[page].orig_process_assc != 0)
995 return FC_PARSE_OPA_INVAL;
996 if (tprlo->tprlo_acc_params[page].resp_process_assc != 0)
997 return FC_PARSE_RPA_INVAL;
998 }
999 return FC_PARSE_OK;
1000 }
1001
1002 enum fc_parse_status
1003 fc_rrq_rsp_parse(struct fchs_s *fchs, int len)
1004 {
1005 struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
1006
1007 len = len;
1008 if (els_cmd->els_code != FC_ELS_ACC)
1009 return FC_PARSE_FAILURE;
1010
1011 return FC_PARSE_OK;
1012 }
1013
1014 u16
1015 fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id, __be16 ox_id,
1016 u32 reason_code, u32 reason_expl)
1017 {
1018 struct fc_ba_rjt_s *ba_rjt = (struct fc_ba_rjt_s *) (fchs + 1);
1019
1020 fc_bls_rsp_build(fchs, d_id, s_id, ox_id);
1021
1022 fchs->cat_info = FC_CAT_BA_RJT;
1023 ba_rjt->reason_code = reason_code;
1024 ba_rjt->reason_expl = reason_expl;
1025 return sizeof(struct fc_ba_rjt_s);
1026 }
1027
1028 static void
1029 fc_gs_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code)
1030 {
1031 memset(cthdr, 0, sizeof(struct ct_hdr_s));
1032 cthdr->rev_id = CT_GS3_REVISION;
1033 cthdr->gs_type = CT_GSTYPE_DIRSERVICE;
1034 cthdr->gs_sub_type = CT_GSSUBTYPE_NAMESERVER;
1035 cthdr->cmd_rsp_code = cpu_to_be16(cmd_code);
1036 }
1037
1038 static void
1039 fc_gs_fdmi_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code)
1040 {
1041 memset(cthdr, 0, sizeof(struct ct_hdr_s));
1042 cthdr->rev_id = CT_GS3_REVISION;
1043 cthdr->gs_type = CT_GSTYPE_MGMTSERVICE;
1044 cthdr->gs_sub_type = CT_GSSUBTYPE_HBA_MGMTSERVER;
1045 cthdr->cmd_rsp_code = cpu_to_be16(cmd_code);
1046 }
1047
1048 static void
1049 fc_gs_ms_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code,
1050 u8 sub_type)
1051 {
1052 memset(cthdr, 0, sizeof(struct ct_hdr_s));
1053 cthdr->rev_id = CT_GS3_REVISION;
1054 cthdr->gs_type = CT_GSTYPE_MGMTSERVICE;
1055 cthdr->gs_sub_type = sub_type;
1056 cthdr->cmd_rsp_code = cpu_to_be16(cmd_code);
1057 }
1058
1059 u16
1060 fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1061 wwn_t port_name)
1062 {
1063 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1064 struct fcgs_gidpn_req_s *gidpn = (struct fcgs_gidpn_req_s *)(cthdr + 1);
1065 u32 d_id = bfa_hton3b(FC_NAME_SERVER);
1066
1067 fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1068 fc_gs_cthdr_build(cthdr, s_id, GS_GID_PN);
1069
1070 memset(gidpn, 0, sizeof(struct fcgs_gidpn_req_s));
1071 gidpn->port_name = port_name;
1072 return sizeof(struct fcgs_gidpn_req_s) + sizeof(struct ct_hdr_s);
1073 }
1074
1075 u16
1076 fc_gpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1077 u32 port_id)
1078 {
1079 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1080 fcgs_gpnid_req_t *gpnid = (fcgs_gpnid_req_t *) (cthdr + 1);
1081 u32 d_id = bfa_hton3b(FC_NAME_SERVER);
1082
1083 fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1084 fc_gs_cthdr_build(cthdr, s_id, GS_GPN_ID);
1085
1086 memset(gpnid, 0, sizeof(fcgs_gpnid_req_t));
1087 gpnid->dap = port_id;
1088 return sizeof(fcgs_gpnid_req_t) + sizeof(struct ct_hdr_s);
1089 }
1090
1091 u16
1092 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1093 u32 port_id)
1094 {
1095 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1096 fcgs_gnnid_req_t *gnnid = (fcgs_gnnid_req_t *) (cthdr + 1);
1097 u32 d_id = bfa_hton3b(FC_NAME_SERVER);
1098
1099 fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1100 fc_gs_cthdr_build(cthdr, s_id, GS_GNN_ID);
1101
1102 memset(gnnid, 0, sizeof(fcgs_gnnid_req_t));
1103 gnnid->dap = port_id;
1104 return sizeof(fcgs_gnnid_req_t) + sizeof(struct ct_hdr_s);
1105 }
1106
1107 u16
1108 fc_ct_rsp_parse(struct ct_hdr_s *cthdr)
1109 {
1110 if (be16_to_cpu(cthdr->cmd_rsp_code) != CT_RSP_ACCEPT) {
1111 if (cthdr->reason_code == CT_RSN_LOGICAL_BUSY)
1112 return FC_PARSE_BUSY;
1113 else
1114 return FC_PARSE_FAILURE;
1115 }
1116
1117 return FC_PARSE_OK;
1118 }
1119
1120 u16
1121 fc_gs_rjt_build(struct fchs_s *fchs, struct ct_hdr_s *cthdr,
1122 u32 d_id, u32 s_id, u16 ox_id, u8 reason_code,
1123 u8 reason_code_expl)
1124 {
1125 fc_gsresp_fchdr_build(fchs, d_id, s_id, ox_id);
1126
1127 cthdr->cmd_rsp_code = cpu_to_be16(CT_RSP_REJECT);
1128 cthdr->rev_id = CT_GS3_REVISION;
1129
1130 cthdr->reason_code = reason_code;
1131 cthdr->exp_code = reason_code_expl;
1132 return sizeof(struct ct_hdr_s);
1133 }
1134
1135 u16
1136 fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr,
1137 u8 set_br_reg, u32 s_id, u16 ox_id)
1138 {
1139 u32 d_id = bfa_hton3b(FC_FABRIC_CONTROLLER);
1140
1141 fc_els_req_build(fchs, d_id, s_id, ox_id);
1142
1143 memset(scr, 0, sizeof(struct fc_scr_s));
1144 scr->command = FC_ELS_SCR;
1145 scr->reg_func = FC_SCR_REG_FUNC_FULL;
1146 if (set_br_reg)
1147 scr->vu_reg_func = FC_VU_SCR_REG_FUNC_FABRIC_NAME_CHANGE;
1148
1149 return sizeof(struct fc_scr_s);
1150 }
1151
1152 u16
1153 fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn,
1154 u32 s_id, u16 ox_id)
1155 {
1156 u32 d_id = bfa_hton3b(FC_FABRIC_CONTROLLER);
1157 u16 payldlen;
1158
1159 fc_els_req_build(fchs, d_id, s_id, ox_id);
1160 rscn->command = FC_ELS_RSCN;
1161 rscn->pagelen = sizeof(rscn->event[0]);
1162
1163 payldlen = sizeof(u32) + rscn->pagelen;
1164 rscn->payldlen = cpu_to_be16(payldlen);
1165
1166 rscn->event[0].format = FC_RSCN_FORMAT_PORTID;
1167 rscn->event[0].portid = s_id;
1168
1169 return sizeof(struct fc_rscn_pl_s);
1170 }
1171
1172 u16
1173 fc_rftid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1174 enum bfa_lport_role roles)
1175 {
1176 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1177 struct fcgs_rftid_req_s *rftid = (struct fcgs_rftid_req_s *)(cthdr + 1);
1178 u32 type_value, d_id = bfa_hton3b(FC_NAME_SERVER);
1179 u8 index;
1180
1181 fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1182 fc_gs_cthdr_build(cthdr, s_id, GS_RFT_ID);
1183
1184 memset(rftid, 0, sizeof(struct fcgs_rftid_req_s));
1185
1186 rftid->dap = s_id;
1187
1188 /* By default, FCP FC4 Type is registered */
1189 index = FC_TYPE_FCP >> 5;
1190 type_value = 1 << (FC_TYPE_FCP % 32);
1191 rftid->fc4_type[index] = cpu_to_be32(type_value);
1192
1193 return sizeof(struct fcgs_rftid_req_s) + sizeof(struct ct_hdr_s);
1194 }
1195
1196 u16
1197 fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1198 u8 *fc4_bitmap, u32 bitmap_size)
1199 {
1200 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1201 struct fcgs_rftid_req_s *rftid = (struct fcgs_rftid_req_s *)(cthdr + 1);
1202 u32 d_id = bfa_hton3b(FC_NAME_SERVER);
1203
1204 fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1205 fc_gs_cthdr_build(cthdr, s_id, GS_RFT_ID);
1206
1207 memset(rftid, 0, sizeof(struct fcgs_rftid_req_s));
1208
1209 rftid->dap = s_id;
1210 memcpy((void *)rftid->fc4_type, (void *)fc4_bitmap,
1211 (bitmap_size < 32 ? bitmap_size : 32));
1212
1213 return sizeof(struct fcgs_rftid_req_s) + sizeof(struct ct_hdr_s);
1214 }
1215
1216 u16
1217 fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1218 u8 fc4_type, u8 fc4_ftrs)
1219 {
1220 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1221 struct fcgs_rffid_req_s *rffid = (struct fcgs_rffid_req_s *)(cthdr + 1);
1222 u32 d_id = bfa_hton3b(FC_NAME_SERVER);
1223
1224 fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1225 fc_gs_cthdr_build(cthdr, s_id, GS_RFF_ID);
1226
1227 memset(rffid, 0, sizeof(struct fcgs_rffid_req_s));
1228
1229 rffid->dap = s_id;
1230 rffid->fc4ftr_bits = fc4_ftrs;
1231 rffid->fc4_type = fc4_type;
1232
1233 return sizeof(struct fcgs_rffid_req_s) + sizeof(struct ct_hdr_s);
1234 }
1235
1236 u16
1237 fc_rspnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1238 u8 *name)
1239 {
1240
1241 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1242 struct fcgs_rspnid_req_s *rspnid =
1243 (struct fcgs_rspnid_req_s *)(cthdr + 1);
1244 u32 d_id = bfa_hton3b(FC_NAME_SERVER);
1245
1246 fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1247 fc_gs_cthdr_build(cthdr, s_id, GS_RSPN_ID);
1248
1249 memset(rspnid, 0, sizeof(struct fcgs_rspnid_req_s));
1250
1251 rspnid->dap = s_id;
1252 rspnid->spn_len = (u8) strlen((char *)name);
1253 strncpy((char *)rspnid->spn, (char *)name, rspnid->spn_len);
1254
1255 return sizeof(struct fcgs_rspnid_req_s) + sizeof(struct ct_hdr_s);
1256 }
1257
1258 u16
1259 fc_rsnn_nn_build(struct fchs_s *fchs, void *pyld, u32 s_id,
1260 wwn_t node_name, u8 *name)
1261 {
1262 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1263 struct fcgs_rsnn_nn_req_s *rsnn_nn =
1264 (struct fcgs_rsnn_nn_req_s *) (cthdr + 1);
1265 u32 d_id = bfa_hton3b(FC_NAME_SERVER);
1266
1267 fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1268 fc_gs_cthdr_build(cthdr, s_id, GS_RSNN_NN);
1269
1270 memset(rsnn_nn, 0, sizeof(struct fcgs_rsnn_nn_req_s));
1271
1272 rsnn_nn->node_name = node_name;
1273 rsnn_nn->snn_len = (u8) strlen((char *)name);
1274 strncpy((char *)rsnn_nn->snn, (char *)name, rsnn_nn->snn_len);
1275
1276 return sizeof(struct fcgs_rsnn_nn_req_s) + sizeof(struct ct_hdr_s);
1277 }
1278
1279 u16
1280 fc_gid_ft_build(struct fchs_s *fchs, void *pyld, u32 s_id, u8 fc4_type)
1281 {
1282
1283 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1284 struct fcgs_gidft_req_s *gidft = (struct fcgs_gidft_req_s *)(cthdr + 1);
1285 u32 d_id = bfa_hton3b(FC_NAME_SERVER);
1286
1287 fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1288
1289 fc_gs_cthdr_build(cthdr, s_id, GS_GID_FT);
1290
1291 memset(gidft, 0, sizeof(struct fcgs_gidft_req_s));
1292 gidft->fc4_type = fc4_type;
1293 gidft->domain_id = 0;
1294 gidft->area_id = 0;
1295
1296 return sizeof(struct fcgs_gidft_req_s) + sizeof(struct ct_hdr_s);
1297 }
1298
1299 u16
1300 fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id,
1301 wwn_t port_name)
1302 {
1303 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1304 struct fcgs_rpnid_req_s *rpnid = (struct fcgs_rpnid_req_s *)(cthdr + 1);
1305 u32 d_id = bfa_hton3b(FC_NAME_SERVER);
1306
1307 fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1308 fc_gs_cthdr_build(cthdr, s_id, GS_RPN_ID);
1309
1310 memset(rpnid, 0, sizeof(struct fcgs_rpnid_req_s));
1311 rpnid->port_id = port_id;
1312 rpnid->port_name = port_name;
1313
1314 return sizeof(struct fcgs_rpnid_req_s) + sizeof(struct ct_hdr_s);
1315 }
1316
1317 u16
1318 fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id,
1319 wwn_t node_name)
1320 {
1321 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1322 struct fcgs_rnnid_req_s *rnnid = (struct fcgs_rnnid_req_s *)(cthdr + 1);
1323 u32 d_id = bfa_hton3b(FC_NAME_SERVER);
1324
1325 fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1326 fc_gs_cthdr_build(cthdr, s_id, GS_RNN_ID);
1327
1328 memset(rnnid, 0, sizeof(struct fcgs_rnnid_req_s));
1329 rnnid->port_id = port_id;
1330 rnnid->node_name = node_name;
1331
1332 return sizeof(struct fcgs_rnnid_req_s) + sizeof(struct ct_hdr_s);
1333 }
1334
1335 u16
1336 fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id,
1337 u32 cos)
1338 {
1339 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1340 struct fcgs_rcsid_req_s *rcsid =
1341 (struct fcgs_rcsid_req_s *) (cthdr + 1);
1342 u32 d_id = bfa_hton3b(FC_NAME_SERVER);
1343
1344 fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1345 fc_gs_cthdr_build(cthdr, s_id, GS_RCS_ID);
1346
1347 memset(rcsid, 0, sizeof(struct fcgs_rcsid_req_s));
1348 rcsid->port_id = port_id;
1349 rcsid->cos = cos;
1350
1351 return sizeof(struct fcgs_rcsid_req_s) + sizeof(struct ct_hdr_s);
1352 }
1353
1354 u16
1355 fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id,
1356 u8 port_type)
1357 {
1358 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1359 struct fcgs_rptid_req_s *rptid = (struct fcgs_rptid_req_s *)(cthdr + 1);
1360 u32 d_id = bfa_hton3b(FC_NAME_SERVER);
1361
1362 fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1363 fc_gs_cthdr_build(cthdr, s_id, GS_RPT_ID);
1364
1365 memset(rptid, 0, sizeof(struct fcgs_rptid_req_s));
1366 rptid->port_id = port_id;
1367 rptid->port_type = port_type;
1368
1369 return sizeof(struct fcgs_rptid_req_s) + sizeof(struct ct_hdr_s);
1370 }
1371
1372 u16
1373 fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id)
1374 {
1375 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1376 struct fcgs_ganxt_req_s *ganxt = (struct fcgs_ganxt_req_s *)(cthdr + 1);
1377 u32 d_id = bfa_hton3b(FC_NAME_SERVER);
1378
1379 fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1380 fc_gs_cthdr_build(cthdr, s_id, GS_GA_NXT);
1381
1382 memset(ganxt, 0, sizeof(struct fcgs_ganxt_req_s));
1383 ganxt->port_id = port_id;
1384
1385 return sizeof(struct ct_hdr_s) + sizeof(struct fcgs_ganxt_req_s);
1386 }
1387
1388 /*
1389 * Builds fc hdr and ct hdr for FDMI requests.
1390 */
1391 u16
1392 fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id,
1393 u16 cmd_code)
1394 {
1395
1396 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1397 u32 d_id = bfa_hton3b(FC_MGMT_SERVER);
1398
1399 fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1400 fc_gs_fdmi_cthdr_build(cthdr, s_id, cmd_code);
1401
1402 return sizeof(struct ct_hdr_s);
1403 }
1404
1405 /*
1406 * Given a FC4 Type, this function returns a fc4 type bitmask
1407 */
1408 void
1409 fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask)
1410 {
1411 u8 index;
1412 __be32 *ptr = (__be32 *) bit_mask;
1413 u32 type_value;
1414
1415 /*
1416 * @todo : Check for bitmask size
1417 */
1418
1419 index = fc4_type >> 5;
1420 type_value = 1 << (fc4_type % 32);
1421 ptr[index] = cpu_to_be32(type_value);
1422
1423 }
1424
1425 /*
1426 * GMAL Request
1427 */
1428 u16
1429 fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn)
1430 {
1431 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1432 fcgs_gmal_req_t *gmal = (fcgs_gmal_req_t *) (cthdr + 1);
1433 u32 d_id = bfa_hton3b(FC_MGMT_SERVER);
1434
1435 fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1436 fc_gs_ms_cthdr_build(cthdr, s_id, GS_FC_GMAL_CMD,
1437 CT_GSSUBTYPE_CFGSERVER);
1438
1439 memset(gmal, 0, sizeof(fcgs_gmal_req_t));
1440 gmal->wwn = wwn;
1441
1442 return sizeof(struct ct_hdr_s) + sizeof(fcgs_gmal_req_t);
1443 }
1444
1445 /*
1446 * GFN (Get Fabric Name) Request
1447 */
1448 u16
1449 fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn)
1450 {
1451 struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1452 fcgs_gfn_req_t *gfn = (fcgs_gfn_req_t *) (cthdr + 1);
1453 u32 d_id = bfa_hton3b(FC_MGMT_SERVER);
1454
1455 fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1456 fc_gs_ms_cthdr_build(cthdr, s_id, GS_FC_GFN_CMD,
1457 CT_GSSUBTYPE_CFGSERVER);
1458
1459 memset(gfn, 0, sizeof(fcgs_gfn_req_t));
1460 gfn->wwn = wwn;
1461
1462 return sizeof(struct ct_hdr_s) + sizeof(fcgs_gfn_req_t);
1463 }
Linux with added FPC-III support