xref: /linux/drivers/scsi/lpfc/lpfc_ct.c (revision 2277ab4a1df50e05bc732fe9488d4e902bb8399a)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2004-2009 Emulex.  All rights reserved.           *
5  * EMULEX and SLI are trademarks of Emulex.                        *
6  * www.emulex.com                                                  *
7  *                                                                 *
8  * This program is free software; you can redistribute it and/or   *
9  * modify it under the terms of version 2 of the GNU General       *
10  * Public License as published by the Free Software Foundation.    *
11  * This program is distributed in the hope that it will be useful. *
12  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
13  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
14  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
15  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
16  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
17  * more details, a copy of which can be found in the file COPYING  *
18  * included with this package.                                     *
19  *******************************************************************/
20 
21 /*
22  * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
23  */
24 
25 #include <linux/blkdev.h>
26 #include <linux/pci.h>
27 #include <linux/interrupt.h>
28 #include <linux/utsname.h>
29 
30 #include <scsi/scsi.h>
31 #include <scsi/scsi_device.h>
32 #include <scsi/scsi_host.h>
33 #include <scsi/scsi_transport_fc.h>
34 
35 #include "lpfc_hw4.h"
36 #include "lpfc_hw.h"
37 #include "lpfc_sli.h"
38 #include "lpfc_sli4.h"
39 #include "lpfc_nl.h"
40 #include "lpfc_disc.h"
41 #include "lpfc_scsi.h"
42 #include "lpfc.h"
43 #include "lpfc_logmsg.h"
44 #include "lpfc_crtn.h"
45 #include "lpfc_version.h"
46 #include "lpfc_vport.h"
47 #include "lpfc_debugfs.h"
48 
49 #define HBA_PORTSPEED_UNKNOWN               0	/* Unknown - transceiver
50 						 * incapable of reporting */
51 #define HBA_PORTSPEED_1GBIT                 1	/* 1 GBit/sec */
52 #define HBA_PORTSPEED_2GBIT                 2	/* 2 GBit/sec */
53 #define HBA_PORTSPEED_4GBIT                 8   /* 4 GBit/sec */
54 #define HBA_PORTSPEED_8GBIT                16   /* 8 GBit/sec */
55 #define HBA_PORTSPEED_10GBIT                4	/* 10 GBit/sec */
56 #define HBA_PORTSPEED_NOT_NEGOTIATED        5	/* Speed not established */
57 
58 #define FOURBYTES	4
59 
60 
61 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
62 
63 static void
64 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
65 			  struct lpfc_dmabuf *mp, uint32_t size)
66 {
67 	if (!mp) {
68 		lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
69 				"0146 Ignoring unsolicited CT No HBQ "
70 				"status = x%x\n",
71 				piocbq->iocb.ulpStatus);
72 	}
73 	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
74 			"0145 Ignoring unsolicted CT HBQ Size:%d "
75 			"status = x%x\n",
76 			size, piocbq->iocb.ulpStatus);
77 }
78 
79 static void
80 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
81 		     struct lpfc_dmabuf *mp, uint32_t size)
82 {
83 	lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
84 }
85 
86 void
87 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
88 		    struct lpfc_iocbq *piocbq)
89 {
90 
91 	struct lpfc_dmabuf *mp = NULL;
92 	IOCB_t *icmd = &piocbq->iocb;
93 	int i;
94 	struct lpfc_iocbq *iocbq;
95 	dma_addr_t paddr;
96 	uint32_t size;
97 	struct list_head head;
98 	struct lpfc_dmabuf *bdeBuf;
99 
100 	if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
101 		lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
102 	} else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
103 		((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
104 		/* Not enough posted buffers; Try posting more buffers */
105 		phba->fc_stat.NoRcvBuf++;
106 		if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
107 			lpfc_post_buffer(phba, pring, 2);
108 		return;
109 	}
110 
111 	/* If there are no BDEs associated with this IOCB,
112 	 * there is nothing to do.
113 	 */
114 	if (icmd->ulpBdeCount == 0)
115 		return;
116 
117 	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
118 		INIT_LIST_HEAD(&head);
119 		list_add_tail(&head, &piocbq->list);
120 		list_for_each_entry(iocbq, &head, list) {
121 			icmd = &iocbq->iocb;
122 			if (icmd->ulpBdeCount == 0)
123 				continue;
124 			bdeBuf = iocbq->context2;
125 			iocbq->context2 = NULL;
126 			size  = icmd->un.cont64[0].tus.f.bdeSize;
127 			lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
128 			lpfc_in_buf_free(phba, bdeBuf);
129 			if (icmd->ulpBdeCount == 2) {
130 				bdeBuf = iocbq->context3;
131 				iocbq->context3 = NULL;
132 				size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
133 				lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
134 						     size);
135 				lpfc_in_buf_free(phba, bdeBuf);
136 			}
137 		}
138 		list_del(&head);
139 	} else {
140 		INIT_LIST_HEAD(&head);
141 		list_add_tail(&head, &piocbq->list);
142 		list_for_each_entry(iocbq, &head, list) {
143 			icmd = &iocbq->iocb;
144 			if (icmd->ulpBdeCount == 0)
145 				lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
146 			for (i = 0; i < icmd->ulpBdeCount; i++) {
147 				paddr = getPaddr(icmd->un.cont64[i].addrHigh,
148 						 icmd->un.cont64[i].addrLow);
149 				mp = lpfc_sli_ringpostbuf_get(phba, pring,
150 							      paddr);
151 				size = icmd->un.cont64[i].tus.f.bdeSize;
152 				lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
153 				lpfc_in_buf_free(phba, mp);
154 			}
155 			lpfc_post_buffer(phba, pring, i);
156 		}
157 		list_del(&head);
158 	}
159 }
160 
161 static void
162 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
163 {
164 	struct lpfc_dmabuf *mlast, *next_mlast;
165 
166 	list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
167 		lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
168 		list_del(&mlast->list);
169 		kfree(mlast);
170 	}
171 	lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
172 	kfree(mlist);
173 	return;
174 }
175 
176 static struct lpfc_dmabuf *
177 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
178 		  uint32_t size, int *entries)
179 {
180 	struct lpfc_dmabuf *mlist = NULL;
181 	struct lpfc_dmabuf *mp;
182 	int cnt, i = 0;
183 
184 	/* We get chunks of FCELSSIZE */
185 	cnt = size > FCELSSIZE ? FCELSSIZE: size;
186 
187 	while (size) {
188 		/* Allocate buffer for rsp payload */
189 		mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
190 		if (!mp) {
191 			if (mlist)
192 				lpfc_free_ct_rsp(phba, mlist);
193 			return NULL;
194 		}
195 
196 		INIT_LIST_HEAD(&mp->list);
197 
198 		if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
199 		    cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
200 			mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
201 		else
202 			mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
203 
204 		if (!mp->virt) {
205 			kfree(mp);
206 			if (mlist)
207 				lpfc_free_ct_rsp(phba, mlist);
208 			return NULL;
209 		}
210 
211 		/* Queue it to a linked list */
212 		if (!mlist)
213 			mlist = mp;
214 		else
215 			list_add_tail(&mp->list, &mlist->list);
216 
217 		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
218 		/* build buffer ptr list for IOCB */
219 		bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
220 		bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
221 		bpl->tus.f.bdeSize = (uint16_t) cnt;
222 		bpl->tus.w = le32_to_cpu(bpl->tus.w);
223 		bpl++;
224 
225 		i++;
226 		size -= cnt;
227 	}
228 
229 	*entries = i;
230 	return mlist;
231 }
232 
233 int
234 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
235 {
236 	struct lpfc_dmabuf *buf_ptr;
237 
238 	if (ctiocb->context_un.ndlp) {
239 		lpfc_nlp_put(ctiocb->context_un.ndlp);
240 		ctiocb->context_un.ndlp = NULL;
241 	}
242 	if (ctiocb->context1) {
243 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
244 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
245 		kfree(buf_ptr);
246 		ctiocb->context1 = NULL;
247 	}
248 	if (ctiocb->context2) {
249 		lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
250 		ctiocb->context2 = NULL;
251 	}
252 
253 	if (ctiocb->context3) {
254 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
255 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
256 		kfree(buf_ptr);
257 		ctiocb->context1 = NULL;
258 	}
259 	lpfc_sli_release_iocbq(phba, ctiocb);
260 	return 0;
261 }
262 
263 static int
264 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
265 	     struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
266 	     void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
267 		     struct lpfc_iocbq *),
268 	     struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
269 	     uint32_t tmo, uint8_t retry)
270 {
271 	struct lpfc_hba  *phba = vport->phba;
272 	IOCB_t *icmd;
273 	struct lpfc_iocbq *geniocb;
274 	int rc;
275 
276 	/* Allocate buffer for  command iocb */
277 	geniocb = lpfc_sli_get_iocbq(phba);
278 
279 	if (geniocb == NULL)
280 		return 1;
281 
282 	icmd = &geniocb->iocb;
283 	icmd->un.genreq64.bdl.ulpIoTag32 = 0;
284 	icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
285 	icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
286 	icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
287 	icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
288 
289 	if (usr_flg)
290 		geniocb->context3 = NULL;
291 	else
292 		geniocb->context3 = (uint8_t *) bmp;
293 
294 	/* Save for completion so we can release these resources */
295 	geniocb->context1 = (uint8_t *) inp;
296 	geniocb->context2 = (uint8_t *) outp;
297 	geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
298 
299 	/* Fill in payload, bp points to frame payload */
300 	icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
301 
302 	/* Fill in rest of iocb */
303 	icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
304 	icmd->un.genreq64.w5.hcsw.Dfctl = 0;
305 	icmd->un.genreq64.w5.hcsw.Rctl = FC_UNSOL_CTL;
306 	icmd->un.genreq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
307 
308 	if (!tmo) {
309 		 /* FC spec states we need 3 * ratov for CT requests */
310 		tmo = (3 * phba->fc_ratov);
311 	}
312 	icmd->ulpTimeout = tmo;
313 	icmd->ulpBdeCount = 1;
314 	icmd->ulpLe = 1;
315 	icmd->ulpClass = CLASS3;
316 	icmd->ulpContext = ndlp->nlp_rpi;
317 
318 	if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
319 		/* For GEN_REQUEST64_CR, use the RPI */
320 		icmd->ulpCt_h = 0;
321 		icmd->ulpCt_l = 0;
322 	}
323 
324 	/* Issue GEN REQ IOCB for NPORT <did> */
325 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
326 			 "0119 Issue GEN REQ IOCB to NPORT x%x "
327 			 "Data: x%x x%x\n",
328 			 ndlp->nlp_DID, icmd->ulpIoTag,
329 			 vport->port_state);
330 	geniocb->iocb_cmpl = cmpl;
331 	geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
332 	geniocb->vport = vport;
333 	geniocb->retry = retry;
334 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
335 
336 	if (rc == IOCB_ERROR) {
337 		lpfc_sli_release_iocbq(phba, geniocb);
338 		return 1;
339 	}
340 
341 	return 0;
342 }
343 
344 static int
345 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
346 	    struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
347 	    void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
348 			  struct lpfc_iocbq *),
349 	    uint32_t rsp_size, uint8_t retry)
350 {
351 	struct lpfc_hba  *phba = vport->phba;
352 	struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
353 	struct lpfc_dmabuf *outmp;
354 	int cnt = 0, status;
355 	int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
356 		CommandResponse.bits.CmdRsp;
357 
358 	bpl++;			/* Skip past ct request */
359 
360 	/* Put buffer(s) for ct rsp in bpl */
361 	outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
362 	if (!outmp)
363 		return -ENOMEM;
364 
365 	status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
366 			      cnt+1, 0, retry);
367 	if (status) {
368 		lpfc_free_ct_rsp(phba, outmp);
369 		return -ENOMEM;
370 	}
371 	return 0;
372 }
373 
374 struct lpfc_vport *
375 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
376 	struct lpfc_vport *vport_curr;
377 	unsigned long flags;
378 
379 	spin_lock_irqsave(&phba->hbalock, flags);
380 	list_for_each_entry(vport_curr, &phba->port_list, listentry) {
381 		if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
382 			spin_unlock_irqrestore(&phba->hbalock, flags);
383 			return vport_curr;
384 		}
385 	}
386 	spin_unlock_irqrestore(&phba->hbalock, flags);
387 	return NULL;
388 }
389 
390 static int
391 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
392 {
393 	struct lpfc_hba  *phba = vport->phba;
394 	struct lpfc_sli_ct_request *Response =
395 		(struct lpfc_sli_ct_request *) mp->virt;
396 	struct lpfc_nodelist *ndlp = NULL;
397 	struct lpfc_dmabuf *mlast, *next_mp;
398 	uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
399 	uint32_t Did, CTentry;
400 	int Cnt;
401 	struct list_head head;
402 
403 	lpfc_set_disctmo(vport);
404 	vport->num_disc_nodes = 0;
405 	vport->fc_ns_retry = 0;
406 
407 
408 	list_add_tail(&head, &mp->list);
409 	list_for_each_entry_safe(mp, next_mp, &head, list) {
410 		mlast = mp;
411 
412 		Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
413 
414 		Size -= Cnt;
415 
416 		if (!ctptr) {
417 			ctptr = (uint32_t *) mlast->virt;
418 		} else
419 			Cnt -= 16;	/* subtract length of CT header */
420 
421 		/* Loop through entire NameServer list of DIDs */
422 		while (Cnt >= sizeof (uint32_t)) {
423 			/* Get next DID from NameServer List */
424 			CTentry = *ctptr++;
425 			Did = ((be32_to_cpu(CTentry)) & Mask_DID);
426 
427 			ndlp = NULL;
428 
429 			/*
430 			 * Check for rscn processing or not
431 			 * To conserve rpi's, filter out addresses for other
432 			 * vports on the same physical HBAs.
433 			 */
434 			if ((Did != vport->fc_myDID) &&
435 			    ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
436 			     vport->cfg_peer_port_login)) {
437 				if ((vport->port_type != LPFC_NPIV_PORT) ||
438 				    (!(vport->ct_flags & FC_CT_RFF_ID)) ||
439 				    (!vport->cfg_restrict_login)) {
440 					ndlp = lpfc_setup_disc_node(vport, Did);
441 					if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
442 						lpfc_debugfs_disc_trc(vport,
443 						LPFC_DISC_TRC_CT,
444 						"Parse GID_FTrsp: "
445 						"did:x%x flg:x%x x%x",
446 						Did, ndlp->nlp_flag,
447 						vport->fc_flag);
448 
449 						lpfc_printf_vlog(vport,
450 							KERN_INFO,
451 							LOG_DISCOVERY,
452 							"0238 Process "
453 							"x%x NameServer Rsp"
454 							"Data: x%x x%x x%x\n",
455 							Did, ndlp->nlp_flag,
456 							vport->fc_flag,
457 							vport->fc_rscn_id_cnt);
458 					} else {
459 						lpfc_debugfs_disc_trc(vport,
460 						LPFC_DISC_TRC_CT,
461 						"Skip1 GID_FTrsp: "
462 						"did:x%x flg:x%x cnt:%d",
463 						Did, vport->fc_flag,
464 						vport->fc_rscn_id_cnt);
465 
466 						lpfc_printf_vlog(vport,
467 							KERN_INFO,
468 							LOG_DISCOVERY,
469 							"0239 Skip x%x "
470 							"NameServer Rsp Data: "
471 							"x%x x%x\n",
472 							Did, vport->fc_flag,
473 							vport->fc_rscn_id_cnt);
474 					}
475 
476 				} else {
477 					if (!(vport->fc_flag & FC_RSCN_MODE) ||
478 					(lpfc_rscn_payload_check(vport, Did))) {
479 						lpfc_debugfs_disc_trc(vport,
480 						LPFC_DISC_TRC_CT,
481 						"Query GID_FTrsp: "
482 						"did:x%x flg:x%x cnt:%d",
483 						Did, vport->fc_flag,
484 						vport->fc_rscn_id_cnt);
485 
486 						/* This NPortID was previously
487 						 * a FCP target, * Don't even
488 						 * bother to send GFF_ID.
489 						 */
490 						ndlp = lpfc_findnode_did(vport,
491 							Did);
492 						if (ndlp &&
493 						    NLP_CHK_NODE_ACT(ndlp)
494 						    && (ndlp->nlp_type &
495 						     NLP_FCP_TARGET))
496 							lpfc_setup_disc_node
497 								(vport, Did);
498 						else if (lpfc_ns_cmd(vport,
499 							SLI_CTNS_GFF_ID,
500 							0, Did) == 0)
501 							vport->num_disc_nodes++;
502 					}
503 					else {
504 						lpfc_debugfs_disc_trc(vport,
505 						LPFC_DISC_TRC_CT,
506 						"Skip2 GID_FTrsp: "
507 						"did:x%x flg:x%x cnt:%d",
508 						Did, vport->fc_flag,
509 						vport->fc_rscn_id_cnt);
510 
511 						lpfc_printf_vlog(vport,
512 							KERN_INFO,
513 							LOG_DISCOVERY,
514 							"0245 Skip x%x "
515 							"NameServer Rsp Data: "
516 							"x%x x%x\n",
517 							Did, vport->fc_flag,
518 							vport->fc_rscn_id_cnt);
519 					}
520 				}
521 			}
522 			if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY)))
523 				goto nsout1;
524 			Cnt -= sizeof (uint32_t);
525 		}
526 		ctptr = NULL;
527 
528 	}
529 
530 nsout1:
531 	list_del(&head);
532 	return 0;
533 }
534 
535 static void
536 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
537 			struct lpfc_iocbq *rspiocb)
538 {
539 	struct lpfc_vport *vport = cmdiocb->vport;
540 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
541 	IOCB_t *irsp;
542 	struct lpfc_dmabuf *bmp;
543 	struct lpfc_dmabuf *outp;
544 	struct lpfc_sli_ct_request *CTrsp;
545 	struct lpfc_nodelist *ndlp;
546 	int rc;
547 
548 	/* First save ndlp, before we overwrite it */
549 	ndlp = cmdiocb->context_un.ndlp;
550 
551 	/* we pass cmdiocb to state machine which needs rspiocb as well */
552 	cmdiocb->context_un.rsp_iocb = rspiocb;
553 
554 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
555 	bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
556 	irsp = &rspiocb->iocb;
557 
558 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
559 		 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
560 		irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
561 
562 	/* Don't bother processing response if vport is being torn down. */
563 	if (vport->load_flag & FC_UNLOADING) {
564 		if (vport->fc_flag & FC_RSCN_MODE)
565 			lpfc_els_flush_rscn(vport);
566 		goto out;
567 	}
568 
569 	if (lpfc_els_chk_latt(vport)) {
570 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
571 				 "0216 Link event during NS query\n");
572 		if (vport->fc_flag & FC_RSCN_MODE)
573 			lpfc_els_flush_rscn(vport);
574 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
575 		goto out;
576 	}
577 	if (lpfc_error_lost_link(irsp)) {
578 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
579 				 "0226 NS query failed due to link event\n");
580 		if (vport->fc_flag & FC_RSCN_MODE)
581 			lpfc_els_flush_rscn(vport);
582 		goto out;
583 	}
584 	if (irsp->ulpStatus) {
585 		/* Check for retry */
586 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
587 			if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
588 			    irsp->un.ulpWord[4] != IOERR_NO_RESOURCES)
589 				vport->fc_ns_retry++;
590 
591 			/* CT command is being retried */
592 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
593 					 vport->fc_ns_retry, 0);
594 			if (rc == 0)
595 				goto out;
596 		}
597 		if (vport->fc_flag & FC_RSCN_MODE)
598 			lpfc_els_flush_rscn(vport);
599 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
600 		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
601 				 "0257 GID_FT Query error: 0x%x 0x%x\n",
602 				 irsp->ulpStatus, vport->fc_ns_retry);
603 	} else {
604 		/* Good status, continue checking */
605 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
606 		if (CTrsp->CommandResponse.bits.CmdRsp ==
607 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
608 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
609 					 "0208 NameServer Rsp Data: x%x\n",
610 					 vport->fc_flag);
611 			lpfc_ns_rsp(vport, outp,
612 				    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
613 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
614 			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
615 			/* NameServer Rsp Error */
616 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
617 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
618 				lpfc_printf_vlog(vport, KERN_INFO,
619 					LOG_DISCOVERY,
620 					"0269 No NameServer Entries "
621 					"Data: x%x x%x x%x x%x\n",
622 					CTrsp->CommandResponse.bits.CmdRsp,
623 					(uint32_t) CTrsp->ReasonCode,
624 					(uint32_t) CTrsp->Explanation,
625 					vport->fc_flag);
626 
627 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
628 				"GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
629 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
630 				(uint32_t) CTrsp->ReasonCode,
631 				(uint32_t) CTrsp->Explanation);
632 			} else {
633 				lpfc_printf_vlog(vport, KERN_INFO,
634 					LOG_DISCOVERY,
635 					"0240 NameServer Rsp Error "
636 					"Data: x%x x%x x%x x%x\n",
637 					CTrsp->CommandResponse.bits.CmdRsp,
638 					(uint32_t) CTrsp->ReasonCode,
639 					(uint32_t) CTrsp->Explanation,
640 					vport->fc_flag);
641 
642 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
643 				"GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
644 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
645 				(uint32_t) CTrsp->ReasonCode,
646 				(uint32_t) CTrsp->Explanation);
647 			}
648 
649 
650 		} else {
651 			/* NameServer Rsp Error */
652 			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
653 					"0241 NameServer Rsp Error "
654 					"Data: x%x x%x x%x x%x\n",
655 					CTrsp->CommandResponse.bits.CmdRsp,
656 					(uint32_t) CTrsp->ReasonCode,
657 					(uint32_t) CTrsp->Explanation,
658 					vport->fc_flag);
659 
660 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
661 				"GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
662 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
663 				(uint32_t) CTrsp->ReasonCode,
664 				(uint32_t) CTrsp->Explanation);
665 		}
666 	}
667 	/* Link up / RSCN discovery */
668 	if (vport->num_disc_nodes == 0) {
669 		/*
670 		 * The driver has cycled through all Nports in the RSCN payload.
671 		 * Complete the handling by cleaning up and marking the
672 		 * current driver state.
673 		 */
674 		if (vport->port_state >= LPFC_DISC_AUTH) {
675 			if (vport->fc_flag & FC_RSCN_MODE) {
676 				lpfc_els_flush_rscn(vport);
677 				spin_lock_irq(shost->host_lock);
678 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
679 				spin_unlock_irq(shost->host_lock);
680 			}
681 			else
682 				lpfc_els_flush_rscn(vport);
683 		}
684 
685 		lpfc_disc_start(vport);
686 	}
687 out:
688 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
689 	lpfc_ct_free_iocb(phba, cmdiocb);
690 	return;
691 }
692 
693 static void
694 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
695 			struct lpfc_iocbq *rspiocb)
696 {
697 	struct lpfc_vport *vport = cmdiocb->vport;
698 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
699 	IOCB_t *irsp = &rspiocb->iocb;
700 	struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
701 	struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
702 	struct lpfc_sli_ct_request *CTrsp;
703 	int did, rc, retry;
704 	uint8_t fbits;
705 	struct lpfc_nodelist *ndlp;
706 
707 	did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
708 	did = be32_to_cpu(did);
709 
710 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
711 		"GFF_ID cmpl:     status:x%x/x%x did:x%x",
712 		irsp->ulpStatus, irsp->un.ulpWord[4], did);
713 
714 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
715 		/* Good status, continue checking */
716 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
717 		fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
718 
719 		if (CTrsp->CommandResponse.bits.CmdRsp ==
720 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
721 			if ((fbits & FC4_FEATURE_INIT) &&
722 			    !(fbits & FC4_FEATURE_TARGET)) {
723 				lpfc_printf_vlog(vport, KERN_INFO,
724 						 LOG_DISCOVERY,
725 						 "0270 Skip x%x GFF "
726 						 "NameServer Rsp Data: (init) "
727 						 "x%x x%x\n", did, fbits,
728 						 vport->fc_rscn_id_cnt);
729 				goto out;
730 			}
731 		}
732 	}
733 	else {
734 		/* Check for retry */
735 		if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
736 			retry = 1;
737 			if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
738 				switch (irsp->un.ulpWord[4]) {
739 				case IOERR_NO_RESOURCES:
740 					/* We don't increment the retry
741 					 * count for this case.
742 					 */
743 					break;
744 				case IOERR_LINK_DOWN:
745 				case IOERR_SLI_ABORTED:
746 				case IOERR_SLI_DOWN:
747 					retry = 0;
748 					break;
749 				default:
750 					cmdiocb->retry++;
751 				}
752 			}
753 			else
754 				cmdiocb->retry++;
755 
756 			if (retry) {
757 				/* CT command is being retried */
758 				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
759 					 cmdiocb->retry, did);
760 				if (rc == 0) {
761 					/* success */
762 					lpfc_ct_free_iocb(phba, cmdiocb);
763 					return;
764 				}
765 			}
766 		}
767 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
768 				 "0267 NameServer GFF Rsp "
769 				 "x%x Error (%d %d) Data: x%x x%x\n",
770 				 did, irsp->ulpStatus, irsp->un.ulpWord[4],
771 				 vport->fc_flag, vport->fc_rscn_id_cnt);
772 	}
773 
774 	/* This is a target port, unregistered port, or the GFF_ID failed */
775 	ndlp = lpfc_setup_disc_node(vport, did);
776 	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
777 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
778 				 "0242 Process x%x GFF "
779 				 "NameServer Rsp Data: x%x x%x x%x\n",
780 				 did, ndlp->nlp_flag, vport->fc_flag,
781 				 vport->fc_rscn_id_cnt);
782 	} else {
783 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
784 				 "0243 Skip x%x GFF "
785 				 "NameServer Rsp Data: x%x x%x\n", did,
786 				 vport->fc_flag, vport->fc_rscn_id_cnt);
787 	}
788 out:
789 	/* Link up / RSCN discovery */
790 	if (vport->num_disc_nodes)
791 		vport->num_disc_nodes--;
792 	if (vport->num_disc_nodes == 0) {
793 		/*
794 		 * The driver has cycled through all Nports in the RSCN payload.
795 		 * Complete the handling by cleaning up and marking the
796 		 * current driver state.
797 		 */
798 		if (vport->port_state >= LPFC_DISC_AUTH) {
799 			if (vport->fc_flag & FC_RSCN_MODE) {
800 				lpfc_els_flush_rscn(vport);
801 				spin_lock_irq(shost->host_lock);
802 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
803 				spin_unlock_irq(shost->host_lock);
804 			}
805 			else
806 				lpfc_els_flush_rscn(vport);
807 		}
808 		lpfc_disc_start(vport);
809 	}
810 	lpfc_ct_free_iocb(phba, cmdiocb);
811 	return;
812 }
813 
814 
815 static void
816 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
817 	     struct lpfc_iocbq *rspiocb)
818 {
819 	struct lpfc_vport *vport = cmdiocb->vport;
820 	struct lpfc_dmabuf *inp;
821 	struct lpfc_dmabuf *outp;
822 	IOCB_t *irsp;
823 	struct lpfc_sli_ct_request *CTrsp;
824 	struct lpfc_nodelist *ndlp;
825 	int cmdcode, rc;
826 	uint8_t retry;
827 	uint32_t latt;
828 
829 	/* First save ndlp, before we overwrite it */
830 	ndlp = cmdiocb->context_un.ndlp;
831 
832 	/* we pass cmdiocb to state machine which needs rspiocb as well */
833 	cmdiocb->context_un.rsp_iocb = rspiocb;
834 
835 	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
836 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
837 	irsp = &rspiocb->iocb;
838 
839 	cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
840 					CommandResponse.bits.CmdRsp);
841 	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
842 
843 	latt = lpfc_els_chk_latt(vport);
844 
845 	/* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
846 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
847 			 "0209 CT Request completes, latt %d, "
848 			 "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
849 			 latt, irsp->ulpStatus,
850 			 CTrsp->CommandResponse.bits.CmdRsp,
851 			 cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
852 
853 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
854 		"CT cmd cmpl:     status:x%x/x%x cmd:x%x",
855 		irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
856 
857 	if (irsp->ulpStatus) {
858 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
859 				 "0268 NS cmd %x Error (%d %d)\n",
860 				 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
861 
862 		if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
863 			((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) ||
864 			 (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED)))
865 			goto out;
866 
867 		retry = cmdiocb->retry;
868 		if (retry >= LPFC_MAX_NS_RETRY)
869 			goto out;
870 
871 		retry++;
872 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
873 				 "0250 Retrying NS cmd %x\n", cmdcode);
874 		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
875 		if (rc == 0)
876 			goto out;
877 	}
878 
879 out:
880 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
881 	lpfc_ct_free_iocb(phba, cmdiocb);
882 	return;
883 }
884 
885 static void
886 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
887 			struct lpfc_iocbq *rspiocb)
888 {
889 	IOCB_t *irsp = &rspiocb->iocb;
890 	struct lpfc_vport *vport = cmdiocb->vport;
891 
892 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
893 		struct lpfc_dmabuf *outp;
894 		struct lpfc_sli_ct_request *CTrsp;
895 
896 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
897 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
898 		if (CTrsp->CommandResponse.bits.CmdRsp ==
899 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
900 			vport->ct_flags |= FC_CT_RFT_ID;
901 	}
902 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
903 	return;
904 }
905 
906 static void
907 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
908 			struct lpfc_iocbq *rspiocb)
909 {
910 	IOCB_t *irsp = &rspiocb->iocb;
911 	struct lpfc_vport *vport = cmdiocb->vport;
912 
913 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
914 		struct lpfc_dmabuf *outp;
915 		struct lpfc_sli_ct_request *CTrsp;
916 
917 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
918 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
919 		if (CTrsp->CommandResponse.bits.CmdRsp ==
920 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
921 			vport->ct_flags |= FC_CT_RNN_ID;
922 	}
923 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
924 	return;
925 }
926 
927 static void
928 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
929 			 struct lpfc_iocbq *rspiocb)
930 {
931 	IOCB_t *irsp = &rspiocb->iocb;
932 	struct lpfc_vport *vport = cmdiocb->vport;
933 
934 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
935 		struct lpfc_dmabuf *outp;
936 		struct lpfc_sli_ct_request *CTrsp;
937 
938 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
939 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
940 		if (CTrsp->CommandResponse.bits.CmdRsp ==
941 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
942 			vport->ct_flags |= FC_CT_RSPN_ID;
943 	}
944 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
945 	return;
946 }
947 
948 static void
949 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
950 			 struct lpfc_iocbq *rspiocb)
951 {
952 	IOCB_t *irsp = &rspiocb->iocb;
953 	struct lpfc_vport *vport = cmdiocb->vport;
954 
955 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
956 		struct lpfc_dmabuf *outp;
957 		struct lpfc_sli_ct_request *CTrsp;
958 
959 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
960 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
961 		if (CTrsp->CommandResponse.bits.CmdRsp ==
962 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
963 			vport->ct_flags |= FC_CT_RSNN_NN;
964 	}
965 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
966 	return;
967 }
968 
969 static void
970 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
971  struct lpfc_iocbq *rspiocb)
972 {
973 	struct lpfc_vport *vport = cmdiocb->vport;
974 
975 	/* even if it fails we will act as though it succeeded. */
976 	vport->ct_flags = 0;
977 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
978 	return;
979 }
980 
981 static void
982 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
983 			struct lpfc_iocbq *rspiocb)
984 {
985 	IOCB_t *irsp = &rspiocb->iocb;
986 	struct lpfc_vport *vport = cmdiocb->vport;
987 
988 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
989 		struct lpfc_dmabuf *outp;
990 		struct lpfc_sli_ct_request *CTrsp;
991 
992 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
993 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
994 		if (CTrsp->CommandResponse.bits.CmdRsp ==
995 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
996 			vport->ct_flags |= FC_CT_RFF_ID;
997 	}
998 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
999 	return;
1000 }
1001 
1002 int
1003 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1004 	size_t size)
1005 {
1006 	int n;
1007 	uint8_t *wwn = vport->phba->wwpn;
1008 
1009 	n = snprintf(symbol, size,
1010 		     "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
1011 		     wwn[0], wwn[1], wwn[2], wwn[3],
1012 		     wwn[4], wwn[5], wwn[6], wwn[7]);
1013 
1014 	if (vport->port_type == LPFC_PHYSICAL_PORT)
1015 		return n;
1016 
1017 	if (n < size)
1018 		n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
1019 
1020 	if (n < size &&
1021 	    strlen(vport->fc_vport->symbolic_name))
1022 		n += snprintf(symbol + n, size - n, " VName-%s",
1023 			      vport->fc_vport->symbolic_name);
1024 	return n;
1025 }
1026 
1027 int
1028 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1029 	size_t size)
1030 {
1031 	char fwrev[16];
1032 	int n;
1033 
1034 	lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1035 
1036 	n = snprintf(symbol, size, "Emulex %s FV%s DV%s",
1037 		vport->phba->ModelName, fwrev, lpfc_release_version);
1038 	return n;
1039 }
1040 
1041 /*
1042  * lpfc_ns_cmd
1043  * Description:
1044  *    Issue Cmd to NameServer
1045  *       SLI_CTNS_GID_FT
1046  *       LI_CTNS_RFT_ID
1047  */
1048 int
1049 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1050 	    uint8_t retry, uint32_t context)
1051 {
1052 	struct lpfc_nodelist * ndlp;
1053 	struct lpfc_hba *phba = vport->phba;
1054 	struct lpfc_dmabuf *mp, *bmp;
1055 	struct lpfc_sli_ct_request *CtReq;
1056 	struct ulp_bde64 *bpl;
1057 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1058 		      struct lpfc_iocbq *) = NULL;
1059 	uint32_t rsp_size = 1024;
1060 	size_t   size;
1061 	int rc = 0;
1062 
1063 	ndlp = lpfc_findnode_did(vport, NameServer_DID);
1064 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1065 	    || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1066 		rc=1;
1067 		goto ns_cmd_exit;
1068 	}
1069 
1070 	/* fill in BDEs for command */
1071 	/* Allocate buffer for command payload */
1072 	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1073 	if (!mp) {
1074 		rc=2;
1075 		goto ns_cmd_exit;
1076 	}
1077 
1078 	INIT_LIST_HEAD(&mp->list);
1079 	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1080 	if (!mp->virt) {
1081 		rc=3;
1082 		goto ns_cmd_free_mp;
1083 	}
1084 
1085 	/* Allocate buffer for Buffer ptr list */
1086 	bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1087 	if (!bmp) {
1088 		rc=4;
1089 		goto ns_cmd_free_mpvirt;
1090 	}
1091 
1092 	INIT_LIST_HEAD(&bmp->list);
1093 	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1094 	if (!bmp->virt) {
1095 		rc=5;
1096 		goto ns_cmd_free_bmp;
1097 	}
1098 
1099 	/* NameServer Req */
1100 	lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1101 			 "0236 NameServer Req Data: x%x x%x x%x\n",
1102 			 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
1103 
1104 	bpl = (struct ulp_bde64 *) bmp->virt;
1105 	memset(bpl, 0, sizeof(struct ulp_bde64));
1106 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1107 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1108 	bpl->tus.f.bdeFlags = 0;
1109 	if (cmdcode == SLI_CTNS_GID_FT)
1110 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1111 	else if (cmdcode == SLI_CTNS_GFF_ID)
1112 		bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1113 	else if (cmdcode == SLI_CTNS_RFT_ID)
1114 		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1115 	else if (cmdcode == SLI_CTNS_RNN_ID)
1116 		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1117 	else if (cmdcode == SLI_CTNS_RSPN_ID)
1118 		bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1119 	else if (cmdcode == SLI_CTNS_RSNN_NN)
1120 		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1121 	else if (cmdcode == SLI_CTNS_DA_ID)
1122 		bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1123 	else if (cmdcode == SLI_CTNS_RFF_ID)
1124 		bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1125 	else
1126 		bpl->tus.f.bdeSize = 0;
1127 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1128 
1129 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1130 	memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
1131 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1132 	CtReq->RevisionId.bits.InId = 0;
1133 	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1134 	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1135 	CtReq->CommandResponse.bits.Size = 0;
1136 	switch (cmdcode) {
1137 	case SLI_CTNS_GID_FT:
1138 		CtReq->CommandResponse.bits.CmdRsp =
1139 		    be16_to_cpu(SLI_CTNS_GID_FT);
1140 		CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
1141 		if (vport->port_state < LPFC_NS_QRY)
1142 			vport->port_state = LPFC_NS_QRY;
1143 		lpfc_set_disctmo(vport);
1144 		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1145 		rsp_size = FC_MAX_NS_RSP;
1146 		break;
1147 
1148 	case SLI_CTNS_GFF_ID:
1149 		CtReq->CommandResponse.bits.CmdRsp =
1150 			be16_to_cpu(SLI_CTNS_GFF_ID);
1151 		CtReq->un.gff.PortId = cpu_to_be32(context);
1152 		cmpl = lpfc_cmpl_ct_cmd_gff_id;
1153 		break;
1154 
1155 	case SLI_CTNS_RFT_ID:
1156 		vport->ct_flags &= ~FC_CT_RFT_ID;
1157 		CtReq->CommandResponse.bits.CmdRsp =
1158 		    be16_to_cpu(SLI_CTNS_RFT_ID);
1159 		CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1160 		CtReq->un.rft.fcpReg = 1;
1161 		cmpl = lpfc_cmpl_ct_cmd_rft_id;
1162 		break;
1163 
1164 	case SLI_CTNS_RNN_ID:
1165 		vport->ct_flags &= ~FC_CT_RNN_ID;
1166 		CtReq->CommandResponse.bits.CmdRsp =
1167 		    be16_to_cpu(SLI_CTNS_RNN_ID);
1168 		CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1169 		memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1170 		       sizeof (struct lpfc_name));
1171 		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1172 		break;
1173 
1174 	case SLI_CTNS_RSPN_ID:
1175 		vport->ct_flags &= ~FC_CT_RSPN_ID;
1176 		CtReq->CommandResponse.bits.CmdRsp =
1177 		    be16_to_cpu(SLI_CTNS_RSPN_ID);
1178 		CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1179 		size = sizeof(CtReq->un.rspn.symbname);
1180 		CtReq->un.rspn.len =
1181 			lpfc_vport_symbolic_port_name(vport,
1182 			CtReq->un.rspn.symbname, size);
1183 		cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1184 		break;
1185 	case SLI_CTNS_RSNN_NN:
1186 		vport->ct_flags &= ~FC_CT_RSNN_NN;
1187 		CtReq->CommandResponse.bits.CmdRsp =
1188 		    be16_to_cpu(SLI_CTNS_RSNN_NN);
1189 		memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1190 		       sizeof (struct lpfc_name));
1191 		size = sizeof(CtReq->un.rsnn.symbname);
1192 		CtReq->un.rsnn.len =
1193 			lpfc_vport_symbolic_node_name(vport,
1194 			CtReq->un.rsnn.symbname, size);
1195 		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1196 		break;
1197 	case SLI_CTNS_DA_ID:
1198 		/* Implement DA_ID Nameserver request */
1199 		CtReq->CommandResponse.bits.CmdRsp =
1200 			be16_to_cpu(SLI_CTNS_DA_ID);
1201 		CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1202 		cmpl = lpfc_cmpl_ct_cmd_da_id;
1203 		break;
1204 	case SLI_CTNS_RFF_ID:
1205 		vport->ct_flags &= ~FC_CT_RFF_ID;
1206 		CtReq->CommandResponse.bits.CmdRsp =
1207 		    be16_to_cpu(SLI_CTNS_RFF_ID);
1208 		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);;
1209 		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1210 		CtReq->un.rff.type_code = FC_FCP_DATA;
1211 		cmpl = lpfc_cmpl_ct_cmd_rff_id;
1212 		break;
1213 	}
1214 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1215 	 * to hold ndlp reference for the corresponding callback function.
1216 	 */
1217 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1218 		/* On success, The cmpl function will free the buffers */
1219 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1220 			"Issue CT cmd:    cmd:x%x did:x%x",
1221 			cmdcode, ndlp->nlp_DID, 0);
1222 		return 0;
1223 	}
1224 	rc=6;
1225 
1226 	/* Decrement ndlp reference count to release ndlp reference held
1227 	 * for the failed command's callback function.
1228 	 */
1229 	lpfc_nlp_put(ndlp);
1230 
1231 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1232 ns_cmd_free_bmp:
1233 	kfree(bmp);
1234 ns_cmd_free_mpvirt:
1235 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
1236 ns_cmd_free_mp:
1237 	kfree(mp);
1238 ns_cmd_exit:
1239 	lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1240 			 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1241 			 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1242 	return 1;
1243 }
1244 
1245 static void
1246 lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1247 		      struct lpfc_iocbq * rspiocb)
1248 {
1249 	struct lpfc_dmabuf *inp = cmdiocb->context1;
1250 	struct lpfc_dmabuf *outp = cmdiocb->context2;
1251 	struct lpfc_sli_ct_request *CTrsp = outp->virt;
1252 	struct lpfc_sli_ct_request *CTcmd = inp->virt;
1253 	struct lpfc_nodelist *ndlp;
1254 	uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1255 	uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1256 	struct lpfc_vport *vport = cmdiocb->vport;
1257 	IOCB_t *irsp = &rspiocb->iocb;
1258 	uint32_t latt;
1259 
1260 	latt = lpfc_els_chk_latt(vport);
1261 
1262 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1263 		"FDMI cmpl:       status:x%x/x%x latt:%d",
1264 		irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1265 
1266 	if (latt || irsp->ulpStatus) {
1267 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1268 				 "0229 FDMI cmd %04x failed, latt = %d "
1269 				 "ulpStatus: x%x, rid x%x\n",
1270 				 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1271 				 irsp->un.ulpWord[4]);
1272 		lpfc_ct_free_iocb(phba, cmdiocb);
1273 		return;
1274 	}
1275 
1276 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1277 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1278 		goto fail_out;
1279 
1280 	if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1281 		/* FDMI rsp failed */
1282 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1283 				 "0220 FDMI rsp failed Data: x%x\n",
1284 				 be16_to_cpu(fdmi_cmd));
1285 	}
1286 
1287 	switch (be16_to_cpu(fdmi_cmd)) {
1288 	case SLI_MGMT_RHBA:
1289 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA);
1290 		break;
1291 
1292 	case SLI_MGMT_RPA:
1293 		break;
1294 
1295 	case SLI_MGMT_DHBA:
1296 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT);
1297 		break;
1298 
1299 	case SLI_MGMT_DPRT:
1300 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
1301 		break;
1302 	}
1303 
1304 fail_out:
1305 	lpfc_ct_free_iocb(phba, cmdiocb);
1306 	return;
1307 }
1308 
1309 int
1310 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
1311 {
1312 	struct lpfc_hba *phba = vport->phba;
1313 	struct lpfc_dmabuf *mp, *bmp;
1314 	struct lpfc_sli_ct_request *CtReq;
1315 	struct ulp_bde64 *bpl;
1316 	uint32_t size;
1317 	REG_HBA *rh;
1318 	PORT_ENTRY *pe;
1319 	REG_PORT_ATTRIBUTE *pab;
1320 	ATTRIBUTE_BLOCK *ab;
1321 	ATTRIBUTE_ENTRY *ae;
1322 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1323 		      struct lpfc_iocbq *);
1324 
1325 
1326 	/* fill in BDEs for command */
1327 	/* Allocate buffer for command payload */
1328 	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1329 	if (!mp)
1330 		goto fdmi_cmd_exit;
1331 
1332 	mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
1333 	if (!mp->virt)
1334 		goto fdmi_cmd_free_mp;
1335 
1336 	/* Allocate buffer for Buffer ptr list */
1337 	bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1338 	if (!bmp)
1339 		goto fdmi_cmd_free_mpvirt;
1340 
1341 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
1342 	if (!bmp->virt)
1343 		goto fdmi_cmd_free_bmp;
1344 
1345 	INIT_LIST_HEAD(&mp->list);
1346 	INIT_LIST_HEAD(&bmp->list);
1347 
1348 	/* FDMI request */
1349 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1350 			 "0218 FDMI Request Data: x%x x%x x%x\n",
1351 			 vport->fc_flag, vport->port_state, cmdcode);
1352 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1353 
1354 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1355 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1356 	CtReq->RevisionId.bits.InId = 0;
1357 
1358 	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
1359 	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
1360 	size = 0;
1361 
1362 	switch (cmdcode) {
1363 	case SLI_MGMT_RHBA:
1364 		{
1365 			lpfc_vpd_t *vp = &phba->vpd;
1366 			uint32_t i, j, incr;
1367 			int len;
1368 
1369 			CtReq->CommandResponse.bits.CmdRsp =
1370 			    be16_to_cpu(SLI_MGMT_RHBA);
1371 			CtReq->CommandResponse.bits.Size = 0;
1372 			rh = (REG_HBA *) & CtReq->un.PortID;
1373 			memcpy(&rh->hi.PortName, &vport->fc_sparam.portName,
1374 			       sizeof (struct lpfc_name));
1375 			/* One entry (port) per adapter */
1376 			rh->rpl.EntryCnt = be32_to_cpu(1);
1377 			memcpy(&rh->rpl.pe, &vport->fc_sparam.portName,
1378 			       sizeof (struct lpfc_name));
1379 
1380 			/* point to the HBA attribute block */
1381 			size = 2 * sizeof (struct lpfc_name) + FOURBYTES;
1382 			ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size);
1383 			ab->EntryCnt = 0;
1384 
1385 			/* Point to the beginning of the first HBA attribute
1386 			   entry */
1387 			/* #1 HBA attribute entry */
1388 			size += FOURBYTES;
1389 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1390 			ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME);
1391 			ae->ad.bits.AttrLen =  be16_to_cpu(FOURBYTES
1392 						+ sizeof (struct lpfc_name));
1393 			memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1394 			       sizeof (struct lpfc_name));
1395 			ab->EntryCnt++;
1396 			size += FOURBYTES + sizeof (struct lpfc_name);
1397 
1398 			/* #2 HBA attribute entry */
1399 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1400 			ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER);
1401 			strcpy(ae->un.Manufacturer, "Emulex Corporation");
1402 			len = strlen(ae->un.Manufacturer);
1403 			len += (len & 3) ? (4 - (len & 3)) : 4;
1404 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1405 			ab->EntryCnt++;
1406 			size += FOURBYTES + len;
1407 
1408 			/* #3 HBA attribute entry */
1409 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1410 			ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER);
1411 			strcpy(ae->un.SerialNumber, phba->SerialNumber);
1412 			len = strlen(ae->un.SerialNumber);
1413 			len += (len & 3) ? (4 - (len & 3)) : 4;
1414 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1415 			ab->EntryCnt++;
1416 			size += FOURBYTES + len;
1417 
1418 			/* #4 HBA attribute entry */
1419 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1420 			ae->ad.bits.AttrType = be16_to_cpu(MODEL);
1421 			strcpy(ae->un.Model, phba->ModelName);
1422 			len = strlen(ae->un.Model);
1423 			len += (len & 3) ? (4 - (len & 3)) : 4;
1424 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1425 			ab->EntryCnt++;
1426 			size += FOURBYTES + len;
1427 
1428 			/* #5 HBA attribute entry */
1429 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1430 			ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION);
1431 			strcpy(ae->un.ModelDescription, phba->ModelDesc);
1432 			len = strlen(ae->un.ModelDescription);
1433 			len += (len & 3) ? (4 - (len & 3)) : 4;
1434 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1435 			ab->EntryCnt++;
1436 			size += FOURBYTES + len;
1437 
1438 			/* #6 HBA attribute entry */
1439 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1440 			ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION);
1441 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8);
1442 			/* Convert JEDEC ID to ascii for hardware version */
1443 			incr = vp->rev.biuRev;
1444 			for (i = 0; i < 8; i++) {
1445 				j = (incr & 0xf);
1446 				if (j <= 9)
1447 					ae->un.HardwareVersion[7 - i] =
1448 					    (char)((uint8_t) 0x30 +
1449 						   (uint8_t) j);
1450 				else
1451 					ae->un.HardwareVersion[7 - i] =
1452 					    (char)((uint8_t) 0x61 +
1453 						   (uint8_t) (j - 10));
1454 				incr = (incr >> 4);
1455 			}
1456 			ab->EntryCnt++;
1457 			size += FOURBYTES + 8;
1458 
1459 			/* #7 HBA attribute entry */
1460 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1461 			ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION);
1462 			strcpy(ae->un.DriverVersion, lpfc_release_version);
1463 			len = strlen(ae->un.DriverVersion);
1464 			len += (len & 3) ? (4 - (len & 3)) : 4;
1465 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1466 			ab->EntryCnt++;
1467 			size += FOURBYTES + len;
1468 
1469 			/* #8 HBA attribute entry */
1470 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1471 			ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION);
1472 			strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion);
1473 			len = strlen(ae->un.OptionROMVersion);
1474 			len += (len & 3) ? (4 - (len & 3)) : 4;
1475 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1476 			ab->EntryCnt++;
1477 			size += FOURBYTES + len;
1478 
1479 			/* #9 HBA attribute entry */
1480 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1481 			ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION);
1482 			lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion,
1483 				1);
1484 			len = strlen(ae->un.FirmwareVersion);
1485 			len += (len & 3) ? (4 - (len & 3)) : 4;
1486 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1487 			ab->EntryCnt++;
1488 			size += FOURBYTES + len;
1489 
1490 			/* #10 HBA attribute entry */
1491 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1492 			ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION);
1493 			sprintf(ae->un.OsNameVersion, "%s %s %s",
1494 				init_utsname()->sysname,
1495 				init_utsname()->release,
1496 				init_utsname()->version);
1497 			len = strlen(ae->un.OsNameVersion);
1498 			len += (len & 3) ? (4 - (len & 3)) : 4;
1499 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1500 			ab->EntryCnt++;
1501 			size += FOURBYTES + len;
1502 
1503 			/* #11 HBA attribute entry */
1504 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1505 			ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN);
1506 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1507 			ae->un.MaxCTPayloadLen = (65 * 4096);
1508 			ab->EntryCnt++;
1509 			size += FOURBYTES + 4;
1510 
1511 			ab->EntryCnt = be32_to_cpu(ab->EntryCnt);
1512 			/* Total size */
1513 			size = GID_REQUEST_SZ - 4 + size;
1514 		}
1515 		break;
1516 
1517 	case SLI_MGMT_RPA:
1518 		{
1519 			lpfc_vpd_t *vp;
1520 			struct serv_parm *hsp;
1521 			int len;
1522 
1523 			vp = &phba->vpd;
1524 
1525 			CtReq->CommandResponse.bits.CmdRsp =
1526 			    be16_to_cpu(SLI_MGMT_RPA);
1527 			CtReq->CommandResponse.bits.Size = 0;
1528 			pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID;
1529 			size = sizeof (struct lpfc_name) + FOURBYTES;
1530 			memcpy((uint8_t *) & pab->PortName,
1531 			       (uint8_t *) & vport->fc_sparam.portName,
1532 			       sizeof (struct lpfc_name));
1533 			pab->ab.EntryCnt = 0;
1534 
1535 			/* #1 Port attribute entry */
1536 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1537 			ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES);
1538 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32);
1539 			ae->un.SupportFC4Types[2] = 1;
1540 			ae->un.SupportFC4Types[7] = 1;
1541 			pab->ab.EntryCnt++;
1542 			size += FOURBYTES + 32;
1543 
1544 			/* #2 Port attribute entry */
1545 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1546 			ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED);
1547 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1548 
1549 			ae->un.SupportSpeed = 0;
1550 			if (phba->lmt & LMT_10Gb)
1551 				ae->un.SupportSpeed = HBA_PORTSPEED_10GBIT;
1552 			if (phba->lmt & LMT_8Gb)
1553 				ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT;
1554 			if (phba->lmt & LMT_4Gb)
1555 				ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT;
1556 			if (phba->lmt & LMT_2Gb)
1557 				ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT;
1558 			if (phba->lmt & LMT_1Gb)
1559 				ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT;
1560 
1561 			pab->ab.EntryCnt++;
1562 			size += FOURBYTES + 4;
1563 
1564 			/* #3 Port attribute entry */
1565 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1566 			ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED);
1567 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1568 			switch(phba->fc_linkspeed) {
1569 				case LA_1GHZ_LINK:
1570 					ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
1571 				break;
1572 				case LA_2GHZ_LINK:
1573 					ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
1574 				break;
1575 				case LA_4GHZ_LINK:
1576 					ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
1577 				break;
1578 				case LA_8GHZ_LINK:
1579 					ae->un.PortSpeed = HBA_PORTSPEED_8GBIT;
1580 				break;
1581 				case LA_10GHZ_LINK:
1582 					ae->un.PortSpeed = HBA_PORTSPEED_10GBIT;
1583 				break;
1584 				default:
1585 					ae->un.PortSpeed =
1586 						HBA_PORTSPEED_UNKNOWN;
1587 				break;
1588 			}
1589 			pab->ab.EntryCnt++;
1590 			size += FOURBYTES + 4;
1591 
1592 			/* #4 Port attribute entry */
1593 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1594 			ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE);
1595 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1596 			hsp = (struct serv_parm *) & vport->fc_sparam;
1597 			ae->un.MaxFrameSize =
1598 			    (((uint32_t) hsp->cmn.
1599 			      bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn.
1600 			    bbRcvSizeLsb;
1601 			pab->ab.EntryCnt++;
1602 			size += FOURBYTES + 4;
1603 
1604 			/* #5 Port attribute entry */
1605 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1606 			ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME);
1607 			strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME);
1608 			len = strlen((char *)ae->un.OsDeviceName);
1609 			len += (len & 3) ? (4 - (len & 3)) : 4;
1610 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1611 			pab->ab.EntryCnt++;
1612 			size += FOURBYTES + len;
1613 
1614 			if (vport->cfg_fdmi_on == 2) {
1615 				/* #6 Port attribute entry */
1616 				ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab +
1617 							  size);
1618 				ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME);
1619 				sprintf(ae->un.HostName, "%s",
1620 					init_utsname()->nodename);
1621 				len = strlen(ae->un.HostName);
1622 				len += (len & 3) ? (4 - (len & 3)) : 4;
1623 				ae->ad.bits.AttrLen =
1624 				    be16_to_cpu(FOURBYTES + len);
1625 				pab->ab.EntryCnt++;
1626 				size += FOURBYTES + len;
1627 			}
1628 
1629 			pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt);
1630 			/* Total size */
1631 			size = GID_REQUEST_SZ - 4 + size;
1632 		}
1633 		break;
1634 
1635 	case SLI_MGMT_DHBA:
1636 		CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA);
1637 		CtReq->CommandResponse.bits.Size = 0;
1638 		pe = (PORT_ENTRY *) & CtReq->un.PortID;
1639 		memcpy((uint8_t *) & pe->PortName,
1640 		       (uint8_t *) & vport->fc_sparam.portName,
1641 		       sizeof (struct lpfc_name));
1642 		size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1643 		break;
1644 
1645 	case SLI_MGMT_DPRT:
1646 		CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT);
1647 		CtReq->CommandResponse.bits.Size = 0;
1648 		pe = (PORT_ENTRY *) & CtReq->un.PortID;
1649 		memcpy((uint8_t *) & pe->PortName,
1650 		       (uint8_t *) & vport->fc_sparam.portName,
1651 		       sizeof (struct lpfc_name));
1652 		size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1653 		break;
1654 	}
1655 
1656 	bpl = (struct ulp_bde64 *) bmp->virt;
1657 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1658 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1659 	bpl->tus.f.bdeFlags = 0;
1660 	bpl->tus.f.bdeSize = size;
1661 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1662 
1663 	cmpl = lpfc_cmpl_ct_cmd_fdmi;
1664 
1665 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1666 	 * to hold ndlp reference for the corresponding callback function.
1667 	 */
1668 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0))
1669 		return 0;
1670 
1671 	/* Decrement ndlp reference count to release ndlp reference held
1672 	 * for the failed command's callback function.
1673 	 */
1674 	lpfc_nlp_put(ndlp);
1675 
1676 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1677 fdmi_cmd_free_bmp:
1678 	kfree(bmp);
1679 fdmi_cmd_free_mpvirt:
1680 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
1681 fdmi_cmd_free_mp:
1682 	kfree(mp);
1683 fdmi_cmd_exit:
1684 	/* Issue FDMI request failed */
1685 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1686 			 "0244 Issue FDMI request failed Data: x%x\n",
1687 			 cmdcode);
1688 	return 1;
1689 }
1690 
1691 void
1692 lpfc_fdmi_tmo(unsigned long ptr)
1693 {
1694 	struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
1695 	struct lpfc_hba   *phba = vport->phba;
1696 	uint32_t tmo_posted;
1697 	unsigned long iflag;
1698 
1699 	spin_lock_irqsave(&vport->work_port_lock, iflag);
1700 	tmo_posted = vport->work_port_events & WORKER_FDMI_TMO;
1701 	if (!tmo_posted)
1702 		vport->work_port_events |= WORKER_FDMI_TMO;
1703 	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1704 
1705 	if (!tmo_posted)
1706 		lpfc_worker_wake_up(phba);
1707 	return;
1708 }
1709 
1710 void
1711 lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
1712 {
1713 	struct lpfc_nodelist *ndlp;
1714 
1715 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1716 	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1717 		if (init_utsname()->nodename[0] != '\0')
1718 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
1719 		else
1720 			mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60);
1721 	}
1722 	return;
1723 }
1724 
1725 void
1726 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
1727 {
1728 	struct lpfc_sli *psli = &phba->sli;
1729 	lpfc_vpd_t *vp = &phba->vpd;
1730 	uint32_t b1, b2, b3, b4, i, rev;
1731 	char c;
1732 	uint32_t *ptr, str[4];
1733 	uint8_t *fwname;
1734 
1735 	if (phba->sli_rev == LPFC_SLI_REV4)
1736 		sprintf(fwrevision, "%s", vp->rev.opFwName);
1737 	else if (vp->rev.rBit) {
1738 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
1739 			rev = vp->rev.sli2FwRev;
1740 		else
1741 			rev = vp->rev.sli1FwRev;
1742 
1743 		b1 = (rev & 0x0000f000) >> 12;
1744 		b2 = (rev & 0x00000f00) >> 8;
1745 		b3 = (rev & 0x000000c0) >> 6;
1746 		b4 = (rev & 0x00000030) >> 4;
1747 
1748 		switch (b4) {
1749 		case 0:
1750 			c = 'N';
1751 			break;
1752 		case 1:
1753 			c = 'A';
1754 			break;
1755 		case 2:
1756 			c = 'B';
1757 			break;
1758 		default:
1759 			c = 0;
1760 			break;
1761 		}
1762 		b4 = (rev & 0x0000000f);
1763 
1764 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
1765 			fwname = vp->rev.sli2FwName;
1766 		else
1767 			fwname = vp->rev.sli1FwName;
1768 
1769 		for (i = 0; i < 16; i++)
1770 			if (fwname[i] == 0x20)
1771 				fwname[i] = 0;
1772 
1773 		ptr = (uint32_t*)fwname;
1774 
1775 		for (i = 0; i < 3; i++)
1776 			str[i] = be32_to_cpu(*ptr++);
1777 
1778 		if (c == 0) {
1779 			if (flag)
1780 				sprintf(fwrevision, "%d.%d%d (%s)",
1781 					b1, b2, b3, (char *)str);
1782 			else
1783 				sprintf(fwrevision, "%d.%d%d", b1,
1784 					b2, b3);
1785 		} else {
1786 			if (flag)
1787 				sprintf(fwrevision, "%d.%d%d%c%d (%s)",
1788 					b1, b2, b3, c,
1789 					b4, (char *)str);
1790 			else
1791 				sprintf(fwrevision, "%d.%d%d%c%d",
1792 					b1, b2, b3, c, b4);
1793 		}
1794 	} else {
1795 		rev = vp->rev.smFwRev;
1796 
1797 		b1 = (rev & 0xff000000) >> 24;
1798 		b2 = (rev & 0x00f00000) >> 20;
1799 		b3 = (rev & 0x000f0000) >> 16;
1800 		c  = (rev & 0x0000ff00) >> 8;
1801 		b4 = (rev & 0x000000ff);
1802 
1803 		if (flag)
1804 			sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1805 				b2, b3, c, b4);
1806 		else
1807 			sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1808 				b2, b3, c, b4);
1809 	}
1810 	return;
1811 }
1812