xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_ct.c (revision c819e2cf)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2004-2013 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/slab.h>
29 #include <linux/utsname.h>
30 
31 #include <scsi/scsi.h>
32 #include <scsi/scsi_device.h>
33 #include <scsi/scsi_host.h>
34 #include <scsi/scsi_transport_fc.h>
35 #include <scsi/fc/fc_fs.h>
36 
37 #include "lpfc_hw4.h"
38 #include "lpfc_hw.h"
39 #include "lpfc_sli.h"
40 #include "lpfc_sli4.h"
41 #include "lpfc_nl.h"
42 #include "lpfc_disc.h"
43 #include "lpfc_scsi.h"
44 #include "lpfc.h"
45 #include "lpfc_logmsg.h"
46 #include "lpfc_crtn.h"
47 #include "lpfc_version.h"
48 #include "lpfc_vport.h"
49 #include "lpfc_debugfs.h"
50 
51 /* FDMI Port Speed definitions */
52 #define HBA_PORTSPEED_1GBIT		0x0001	/* 1 GBit/sec */
53 #define HBA_PORTSPEED_2GBIT		0x0002	/* 2 GBit/sec */
54 #define HBA_PORTSPEED_4GBIT		0x0008	/* 4 GBit/sec */
55 #define HBA_PORTSPEED_10GBIT		0x0004	/* 10 GBit/sec */
56 #define HBA_PORTSPEED_8GBIT		0x0010	/* 8 GBit/sec */
57 #define HBA_PORTSPEED_16GBIT		0x0020	/* 16 GBit/sec */
58 #define HBA_PORTSPEED_UNKNOWN		0x0800	/* Unknown */
59 
60 #define FOURBYTES	4
61 
62 
63 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
64 
65 static void
66 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
67 			  struct lpfc_dmabuf *mp, uint32_t size)
68 {
69 	if (!mp) {
70 		lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
71 				"0146 Ignoring unsolicited CT No HBQ "
72 				"status = x%x\n",
73 				piocbq->iocb.ulpStatus);
74 	}
75 	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
76 			"0145 Ignoring unsolicted CT HBQ Size:%d "
77 			"status = x%x\n",
78 			size, piocbq->iocb.ulpStatus);
79 }
80 
81 static void
82 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
83 		     struct lpfc_dmabuf *mp, uint32_t size)
84 {
85 	lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
86 }
87 
88 void
89 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
90 		    struct lpfc_iocbq *piocbq)
91 {
92 	struct lpfc_dmabuf *mp = NULL;
93 	IOCB_t *icmd = &piocbq->iocb;
94 	int i;
95 	struct lpfc_iocbq *iocbq;
96 	dma_addr_t paddr;
97 	uint32_t size;
98 	struct list_head head;
99 	struct lpfc_dmabuf *bdeBuf;
100 
101 	if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
102 		return;
103 
104 	if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
105 		lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
106 	} else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
107 		   ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) ==
108 		   IOERR_RCV_BUFFER_WAITING)) {
109 		/* Not enough posted buffers; Try posting more buffers */
110 		phba->fc_stat.NoRcvBuf++;
111 		if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
112 			lpfc_post_buffer(phba, pring, 2);
113 		return;
114 	}
115 
116 	/* If there are no BDEs associated with this IOCB,
117 	 * there is nothing to do.
118 	 */
119 	if (icmd->ulpBdeCount == 0)
120 		return;
121 
122 	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
123 		INIT_LIST_HEAD(&head);
124 		list_add_tail(&head, &piocbq->list);
125 		list_for_each_entry(iocbq, &head, list) {
126 			icmd = &iocbq->iocb;
127 			if (icmd->ulpBdeCount == 0)
128 				continue;
129 			bdeBuf = iocbq->context2;
130 			iocbq->context2 = NULL;
131 			size  = icmd->un.cont64[0].tus.f.bdeSize;
132 			lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
133 			lpfc_in_buf_free(phba, bdeBuf);
134 			if (icmd->ulpBdeCount == 2) {
135 				bdeBuf = iocbq->context3;
136 				iocbq->context3 = NULL;
137 				size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
138 				lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
139 						     size);
140 				lpfc_in_buf_free(phba, bdeBuf);
141 			}
142 		}
143 		list_del(&head);
144 	} else {
145 		INIT_LIST_HEAD(&head);
146 		list_add_tail(&head, &piocbq->list);
147 		list_for_each_entry(iocbq, &head, list) {
148 			icmd = &iocbq->iocb;
149 			if (icmd->ulpBdeCount == 0)
150 				lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
151 			for (i = 0; i < icmd->ulpBdeCount; i++) {
152 				paddr = getPaddr(icmd->un.cont64[i].addrHigh,
153 						 icmd->un.cont64[i].addrLow);
154 				mp = lpfc_sli_ringpostbuf_get(phba, pring,
155 							      paddr);
156 				size = icmd->un.cont64[i].tus.f.bdeSize;
157 				lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
158 				lpfc_in_buf_free(phba, mp);
159 			}
160 			lpfc_post_buffer(phba, pring, i);
161 		}
162 		list_del(&head);
163 	}
164 }
165 
166 /**
167  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
168  * @phba: Pointer to HBA context object.
169  * @dmabuf: pointer to a dmabuf that describes the FC sequence
170  *
171  * This function serves as the upper level protocol abort handler for CT
172  * protocol.
173  *
174  * Return 1 if abort has been handled, 0 otherwise.
175  **/
176 int
177 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
178 {
179 	int handled;
180 
181 	/* CT upper level goes through BSG */
182 	handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
183 
184 	return handled;
185 }
186 
187 static void
188 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
189 {
190 	struct lpfc_dmabuf *mlast, *next_mlast;
191 
192 	list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
193 		lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
194 		list_del(&mlast->list);
195 		kfree(mlast);
196 	}
197 	lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
198 	kfree(mlist);
199 	return;
200 }
201 
202 static struct lpfc_dmabuf *
203 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
204 		  uint32_t size, int *entries)
205 {
206 	struct lpfc_dmabuf *mlist = NULL;
207 	struct lpfc_dmabuf *mp;
208 	int cnt, i = 0;
209 
210 	/* We get chunks of FCELSSIZE */
211 	cnt = size > FCELSSIZE ? FCELSSIZE: size;
212 
213 	while (size) {
214 		/* Allocate buffer for rsp payload */
215 		mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
216 		if (!mp) {
217 			if (mlist)
218 				lpfc_free_ct_rsp(phba, mlist);
219 			return NULL;
220 		}
221 
222 		INIT_LIST_HEAD(&mp->list);
223 
224 		if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
225 		    cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
226 			mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
227 		else
228 			mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
229 
230 		if (!mp->virt) {
231 			kfree(mp);
232 			if (mlist)
233 				lpfc_free_ct_rsp(phba, mlist);
234 			return NULL;
235 		}
236 
237 		/* Queue it to a linked list */
238 		if (!mlist)
239 			mlist = mp;
240 		else
241 			list_add_tail(&mp->list, &mlist->list);
242 
243 		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
244 		/* build buffer ptr list for IOCB */
245 		bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
246 		bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
247 		bpl->tus.f.bdeSize = (uint16_t) cnt;
248 		bpl->tus.w = le32_to_cpu(bpl->tus.w);
249 		bpl++;
250 
251 		i++;
252 		size -= cnt;
253 	}
254 
255 	*entries = i;
256 	return mlist;
257 }
258 
259 int
260 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
261 {
262 	struct lpfc_dmabuf *buf_ptr;
263 
264 	if (ctiocb->context_un.ndlp) {
265 		lpfc_nlp_put(ctiocb->context_un.ndlp);
266 		ctiocb->context_un.ndlp = NULL;
267 	}
268 	if (ctiocb->context1) {
269 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
270 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
271 		kfree(buf_ptr);
272 		ctiocb->context1 = NULL;
273 	}
274 	if (ctiocb->context2) {
275 		lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
276 		ctiocb->context2 = NULL;
277 	}
278 
279 	if (ctiocb->context3) {
280 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
281 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
282 		kfree(buf_ptr);
283 		ctiocb->context3 = NULL;
284 	}
285 	lpfc_sli_release_iocbq(phba, ctiocb);
286 	return 0;
287 }
288 
289 static int
290 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
291 	     struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
292 	     void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
293 		     struct lpfc_iocbq *),
294 	     struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
295 	     uint32_t tmo, uint8_t retry)
296 {
297 	struct lpfc_hba  *phba = vport->phba;
298 	IOCB_t *icmd;
299 	struct lpfc_iocbq *geniocb;
300 	int rc;
301 
302 	/* Allocate buffer for  command iocb */
303 	geniocb = lpfc_sli_get_iocbq(phba);
304 
305 	if (geniocb == NULL)
306 		return 1;
307 
308 	icmd = &geniocb->iocb;
309 	icmd->un.genreq64.bdl.ulpIoTag32 = 0;
310 	icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
311 	icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
312 	icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
313 	icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
314 
315 	if (usr_flg)
316 		geniocb->context3 = NULL;
317 	else
318 		geniocb->context3 = (uint8_t *) bmp;
319 
320 	/* Save for completion so we can release these resources */
321 	geniocb->context1 = (uint8_t *) inp;
322 	geniocb->context2 = (uint8_t *) outp;
323 	geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
324 
325 	/* Fill in payload, bp points to frame payload */
326 	icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
327 
328 	/* Fill in rest of iocb */
329 	icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
330 	icmd->un.genreq64.w5.hcsw.Dfctl = 0;
331 	icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
332 	icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
333 
334 	if (!tmo) {
335 		 /* FC spec states we need 3 * ratov for CT requests */
336 		tmo = (3 * phba->fc_ratov);
337 	}
338 	icmd->ulpTimeout = tmo;
339 	icmd->ulpBdeCount = 1;
340 	icmd->ulpLe = 1;
341 	icmd->ulpClass = CLASS3;
342 	icmd->ulpContext = ndlp->nlp_rpi;
343 	if (phba->sli_rev == LPFC_SLI_REV4)
344 		icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
345 
346 	if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
347 		/* For GEN_REQUEST64_CR, use the RPI */
348 		icmd->ulpCt_h = 0;
349 		icmd->ulpCt_l = 0;
350 	}
351 
352 	/* Issue GEN REQ IOCB for NPORT <did> */
353 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
354 			 "0119 Issue GEN REQ IOCB to NPORT x%x "
355 			 "Data: x%x x%x\n",
356 			 ndlp->nlp_DID, icmd->ulpIoTag,
357 			 vport->port_state);
358 	geniocb->iocb_cmpl = cmpl;
359 	geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
360 	geniocb->vport = vport;
361 	geniocb->retry = retry;
362 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
363 
364 	if (rc == IOCB_ERROR) {
365 		lpfc_sli_release_iocbq(phba, geniocb);
366 		return 1;
367 	}
368 
369 	return 0;
370 }
371 
372 static int
373 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
374 	    struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
375 	    void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
376 			  struct lpfc_iocbq *),
377 	    uint32_t rsp_size, uint8_t retry)
378 {
379 	struct lpfc_hba  *phba = vport->phba;
380 	struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
381 	struct lpfc_dmabuf *outmp;
382 	int cnt = 0, status;
383 	int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
384 		CommandResponse.bits.CmdRsp;
385 
386 	bpl++;			/* Skip past ct request */
387 
388 	/* Put buffer(s) for ct rsp in bpl */
389 	outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
390 	if (!outmp)
391 		return -ENOMEM;
392 	/*
393 	 * Form the CT IOCB.  The total number of BDEs in this IOCB
394 	 * is the single command plus response count from
395 	 * lpfc_alloc_ct_rsp.
396 	 */
397 	cnt += 1;
398 	status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
399 			      cnt, 0, retry);
400 	if (status) {
401 		lpfc_free_ct_rsp(phba, outmp);
402 		return -ENOMEM;
403 	}
404 	return 0;
405 }
406 
407 struct lpfc_vport *
408 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
409 	struct lpfc_vport *vport_curr;
410 	unsigned long flags;
411 
412 	spin_lock_irqsave(&phba->hbalock, flags);
413 	list_for_each_entry(vport_curr, &phba->port_list, listentry) {
414 		if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
415 			spin_unlock_irqrestore(&phba->hbalock, flags);
416 			return vport_curr;
417 		}
418 	}
419 	spin_unlock_irqrestore(&phba->hbalock, flags);
420 	return NULL;
421 }
422 
423 static int
424 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
425 {
426 	struct lpfc_hba  *phba = vport->phba;
427 	struct lpfc_sli_ct_request *Response =
428 		(struct lpfc_sli_ct_request *) mp->virt;
429 	struct lpfc_nodelist *ndlp = NULL;
430 	struct lpfc_dmabuf *mlast, *next_mp;
431 	uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
432 	uint32_t Did, CTentry;
433 	int Cnt;
434 	struct list_head head;
435 
436 	lpfc_set_disctmo(vport);
437 	vport->num_disc_nodes = 0;
438 	vport->fc_ns_retry = 0;
439 
440 
441 	list_add_tail(&head, &mp->list);
442 	list_for_each_entry_safe(mp, next_mp, &head, list) {
443 		mlast = mp;
444 
445 		Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
446 
447 		Size -= Cnt;
448 
449 		if (!ctptr) {
450 			ctptr = (uint32_t *) mlast->virt;
451 		} else
452 			Cnt -= 16;	/* subtract length of CT header */
453 
454 		/* Loop through entire NameServer list of DIDs */
455 		while (Cnt >= sizeof (uint32_t)) {
456 			/* Get next DID from NameServer List */
457 			CTentry = *ctptr++;
458 			Did = ((be32_to_cpu(CTentry)) & Mask_DID);
459 
460 			ndlp = NULL;
461 
462 			/*
463 			 * Check for rscn processing or not
464 			 * To conserve rpi's, filter out addresses for other
465 			 * vports on the same physical HBAs.
466 			 */
467 			if ((Did != vport->fc_myDID) &&
468 			    ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
469 			     vport->cfg_peer_port_login)) {
470 				if ((vport->port_type != LPFC_NPIV_PORT) ||
471 				    (!(vport->ct_flags & FC_CT_RFF_ID)) ||
472 				    (!vport->cfg_restrict_login)) {
473 					ndlp = lpfc_setup_disc_node(vport, Did);
474 					if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
475 						lpfc_debugfs_disc_trc(vport,
476 						LPFC_DISC_TRC_CT,
477 						"Parse GID_FTrsp: "
478 						"did:x%x flg:x%x x%x",
479 						Did, ndlp->nlp_flag,
480 						vport->fc_flag);
481 
482 						lpfc_printf_vlog(vport,
483 							KERN_INFO,
484 							LOG_DISCOVERY,
485 							"0238 Process "
486 							"x%x NameServer Rsp"
487 							"Data: x%x x%x x%x\n",
488 							Did, ndlp->nlp_flag,
489 							vport->fc_flag,
490 							vport->fc_rscn_id_cnt);
491 					} else {
492 						lpfc_debugfs_disc_trc(vport,
493 						LPFC_DISC_TRC_CT,
494 						"Skip1 GID_FTrsp: "
495 						"did:x%x flg:x%x cnt:%d",
496 						Did, vport->fc_flag,
497 						vport->fc_rscn_id_cnt);
498 
499 						lpfc_printf_vlog(vport,
500 							KERN_INFO,
501 							LOG_DISCOVERY,
502 							"0239 Skip x%x "
503 							"NameServer Rsp Data: "
504 							"x%x x%x\n",
505 							Did, vport->fc_flag,
506 							vport->fc_rscn_id_cnt);
507 					}
508 
509 				} else {
510 					if (!(vport->fc_flag & FC_RSCN_MODE) ||
511 					(lpfc_rscn_payload_check(vport, Did))) {
512 						lpfc_debugfs_disc_trc(vport,
513 						LPFC_DISC_TRC_CT,
514 						"Query GID_FTrsp: "
515 						"did:x%x flg:x%x cnt:%d",
516 						Did, vport->fc_flag,
517 						vport->fc_rscn_id_cnt);
518 
519 						/* This NPortID was previously
520 						 * a FCP target, * Don't even
521 						 * bother to send GFF_ID.
522 						 */
523 						ndlp = lpfc_findnode_did(vport,
524 							Did);
525 						if (ndlp &&
526 						    NLP_CHK_NODE_ACT(ndlp)
527 						    && (ndlp->nlp_type &
528 						     NLP_FCP_TARGET))
529 							lpfc_setup_disc_node
530 								(vport, Did);
531 						else if (lpfc_ns_cmd(vport,
532 							SLI_CTNS_GFF_ID,
533 							0, Did) == 0)
534 							vport->num_disc_nodes++;
535 						else
536 							lpfc_setup_disc_node
537 								(vport, Did);
538 					}
539 					else {
540 						lpfc_debugfs_disc_trc(vport,
541 						LPFC_DISC_TRC_CT,
542 						"Skip2 GID_FTrsp: "
543 						"did:x%x flg:x%x cnt:%d",
544 						Did, vport->fc_flag,
545 						vport->fc_rscn_id_cnt);
546 
547 						lpfc_printf_vlog(vport,
548 							KERN_INFO,
549 							LOG_DISCOVERY,
550 							"0245 Skip x%x "
551 							"NameServer Rsp Data: "
552 							"x%x x%x\n",
553 							Did, vport->fc_flag,
554 							vport->fc_rscn_id_cnt);
555 					}
556 				}
557 			}
558 			if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY)))
559 				goto nsout1;
560 			Cnt -= sizeof (uint32_t);
561 		}
562 		ctptr = NULL;
563 
564 	}
565 
566 nsout1:
567 	list_del(&head);
568 	return 0;
569 }
570 
571 static void
572 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
573 			struct lpfc_iocbq *rspiocb)
574 {
575 	struct lpfc_vport *vport = cmdiocb->vport;
576 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
577 	IOCB_t *irsp;
578 	struct lpfc_dmabuf *bmp;
579 	struct lpfc_dmabuf *outp;
580 	struct lpfc_sli_ct_request *CTrsp;
581 	struct lpfc_nodelist *ndlp;
582 	int rc;
583 
584 	/* First save ndlp, before we overwrite it */
585 	ndlp = cmdiocb->context_un.ndlp;
586 
587 	/* we pass cmdiocb to state machine which needs rspiocb as well */
588 	cmdiocb->context_un.rsp_iocb = rspiocb;
589 
590 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
591 	bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
592 	irsp = &rspiocb->iocb;
593 
594 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
595 		 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
596 		irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
597 
598 	/* Don't bother processing response if vport is being torn down. */
599 	if (vport->load_flag & FC_UNLOADING) {
600 		if (vport->fc_flag & FC_RSCN_MODE)
601 			lpfc_els_flush_rscn(vport);
602 		goto out;
603 	}
604 
605 	if (lpfc_els_chk_latt(vport)) {
606 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
607 				 "0216 Link event during NS query\n");
608 		if (vport->fc_flag & FC_RSCN_MODE)
609 			lpfc_els_flush_rscn(vport);
610 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
611 		goto out;
612 	}
613 	if (lpfc_error_lost_link(irsp)) {
614 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
615 				 "0226 NS query failed due to link event\n");
616 		if (vport->fc_flag & FC_RSCN_MODE)
617 			lpfc_els_flush_rscn(vport);
618 		goto out;
619 	}
620 	if (irsp->ulpStatus) {
621 		/* Check for retry */
622 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
623 			if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
624 			    (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
625 			    IOERR_NO_RESOURCES)
626 				vport->fc_ns_retry++;
627 
628 			/* CT command is being retried */
629 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
630 					 vport->fc_ns_retry, 0);
631 			if (rc == 0)
632 				goto out;
633 		}
634 		if (vport->fc_flag & FC_RSCN_MODE)
635 			lpfc_els_flush_rscn(vport);
636 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
637 		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
638 				 "0257 GID_FT Query error: 0x%x 0x%x\n",
639 				 irsp->ulpStatus, vport->fc_ns_retry);
640 	} else {
641 		/* Good status, continue checking */
642 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
643 		if (CTrsp->CommandResponse.bits.CmdRsp ==
644 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
645 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
646 					 "0208 NameServer Rsp Data: x%x\n",
647 					 vport->fc_flag);
648 			lpfc_ns_rsp(vport, outp,
649 				    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
650 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
651 			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
652 			/* NameServer Rsp Error */
653 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
654 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
655 				lpfc_printf_vlog(vport, KERN_INFO,
656 					LOG_DISCOVERY,
657 					"0269 No NameServer Entries "
658 					"Data: x%x x%x x%x x%x\n",
659 					CTrsp->CommandResponse.bits.CmdRsp,
660 					(uint32_t) CTrsp->ReasonCode,
661 					(uint32_t) CTrsp->Explanation,
662 					vport->fc_flag);
663 
664 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
665 				"GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
666 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
667 				(uint32_t) CTrsp->ReasonCode,
668 				(uint32_t) CTrsp->Explanation);
669 			} else {
670 				lpfc_printf_vlog(vport, KERN_INFO,
671 					LOG_DISCOVERY,
672 					"0240 NameServer Rsp Error "
673 					"Data: x%x x%x x%x x%x\n",
674 					CTrsp->CommandResponse.bits.CmdRsp,
675 					(uint32_t) CTrsp->ReasonCode,
676 					(uint32_t) CTrsp->Explanation,
677 					vport->fc_flag);
678 
679 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
680 				"GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
681 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
682 				(uint32_t) CTrsp->ReasonCode,
683 				(uint32_t) CTrsp->Explanation);
684 			}
685 
686 
687 		} else {
688 			/* NameServer Rsp Error */
689 			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
690 					"0241 NameServer Rsp Error "
691 					"Data: x%x x%x x%x x%x\n",
692 					CTrsp->CommandResponse.bits.CmdRsp,
693 					(uint32_t) CTrsp->ReasonCode,
694 					(uint32_t) CTrsp->Explanation,
695 					vport->fc_flag);
696 
697 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
698 				"GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
699 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
700 				(uint32_t) CTrsp->ReasonCode,
701 				(uint32_t) CTrsp->Explanation);
702 		}
703 	}
704 	/* Link up / RSCN discovery */
705 	if (vport->num_disc_nodes == 0) {
706 		/*
707 		 * The driver has cycled through all Nports in the RSCN payload.
708 		 * Complete the handling by cleaning up and marking the
709 		 * current driver state.
710 		 */
711 		if (vport->port_state >= LPFC_DISC_AUTH) {
712 			if (vport->fc_flag & FC_RSCN_MODE) {
713 				lpfc_els_flush_rscn(vport);
714 				spin_lock_irq(shost->host_lock);
715 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
716 				spin_unlock_irq(shost->host_lock);
717 			}
718 			else
719 				lpfc_els_flush_rscn(vport);
720 		}
721 
722 		lpfc_disc_start(vport);
723 	}
724 out:
725 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
726 	lpfc_ct_free_iocb(phba, cmdiocb);
727 	return;
728 }
729 
730 static void
731 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
732 			struct lpfc_iocbq *rspiocb)
733 {
734 	struct lpfc_vport *vport = cmdiocb->vport;
735 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
736 	IOCB_t *irsp = &rspiocb->iocb;
737 	struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
738 	struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
739 	struct lpfc_sli_ct_request *CTrsp;
740 	int did, rc, retry;
741 	uint8_t fbits;
742 	struct lpfc_nodelist *ndlp;
743 
744 	did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
745 	did = be32_to_cpu(did);
746 
747 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
748 		"GFF_ID cmpl:     status:x%x/x%x did:x%x",
749 		irsp->ulpStatus, irsp->un.ulpWord[4], did);
750 
751 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
752 		/* Good status, continue checking */
753 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
754 		fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
755 
756 		if (CTrsp->CommandResponse.bits.CmdRsp ==
757 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
758 			if ((fbits & FC4_FEATURE_INIT) &&
759 			    !(fbits & FC4_FEATURE_TARGET)) {
760 				lpfc_printf_vlog(vport, KERN_INFO,
761 						 LOG_DISCOVERY,
762 						 "0270 Skip x%x GFF "
763 						 "NameServer Rsp Data: (init) "
764 						 "x%x x%x\n", did, fbits,
765 						 vport->fc_rscn_id_cnt);
766 				goto out;
767 			}
768 		}
769 	}
770 	else {
771 		/* Check for retry */
772 		if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
773 			retry = 1;
774 			if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
775 				switch ((irsp->un.ulpWord[4] &
776 					IOERR_PARAM_MASK)) {
777 
778 				case IOERR_NO_RESOURCES:
779 					/* We don't increment the retry
780 					 * count for this case.
781 					 */
782 					break;
783 				case IOERR_LINK_DOWN:
784 				case IOERR_SLI_ABORTED:
785 				case IOERR_SLI_DOWN:
786 					retry = 0;
787 					break;
788 				default:
789 					cmdiocb->retry++;
790 				}
791 			}
792 			else
793 				cmdiocb->retry++;
794 
795 			if (retry) {
796 				/* CT command is being retried */
797 				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
798 					 cmdiocb->retry, did);
799 				if (rc == 0) {
800 					/* success */
801 					lpfc_ct_free_iocb(phba, cmdiocb);
802 					return;
803 				}
804 			}
805 		}
806 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
807 				 "0267 NameServer GFF Rsp "
808 				 "x%x Error (%d %d) Data: x%x x%x\n",
809 				 did, irsp->ulpStatus, irsp->un.ulpWord[4],
810 				 vport->fc_flag, vport->fc_rscn_id_cnt);
811 	}
812 
813 	/* This is a target port, unregistered port, or the GFF_ID failed */
814 	ndlp = lpfc_setup_disc_node(vport, did);
815 	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
816 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
817 				 "0242 Process x%x GFF "
818 				 "NameServer Rsp Data: x%x x%x x%x\n",
819 				 did, ndlp->nlp_flag, vport->fc_flag,
820 				 vport->fc_rscn_id_cnt);
821 	} else {
822 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
823 				 "0243 Skip x%x GFF "
824 				 "NameServer Rsp Data: x%x x%x\n", did,
825 				 vport->fc_flag, vport->fc_rscn_id_cnt);
826 	}
827 out:
828 	/* Link up / RSCN discovery */
829 	if (vport->num_disc_nodes)
830 		vport->num_disc_nodes--;
831 	if (vport->num_disc_nodes == 0) {
832 		/*
833 		 * The driver has cycled through all Nports in the RSCN payload.
834 		 * Complete the handling by cleaning up and marking the
835 		 * current driver state.
836 		 */
837 		if (vport->port_state >= LPFC_DISC_AUTH) {
838 			if (vport->fc_flag & FC_RSCN_MODE) {
839 				lpfc_els_flush_rscn(vport);
840 				spin_lock_irq(shost->host_lock);
841 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
842 				spin_unlock_irq(shost->host_lock);
843 			}
844 			else
845 				lpfc_els_flush_rscn(vport);
846 		}
847 		lpfc_disc_start(vport);
848 	}
849 	lpfc_ct_free_iocb(phba, cmdiocb);
850 	return;
851 }
852 
853 
854 static void
855 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
856 	     struct lpfc_iocbq *rspiocb)
857 {
858 	struct lpfc_vport *vport = cmdiocb->vport;
859 	struct lpfc_dmabuf *inp;
860 	struct lpfc_dmabuf *outp;
861 	IOCB_t *irsp;
862 	struct lpfc_sli_ct_request *CTrsp;
863 	struct lpfc_nodelist *ndlp;
864 	int cmdcode, rc;
865 	uint8_t retry;
866 	uint32_t latt;
867 
868 	/* First save ndlp, before we overwrite it */
869 	ndlp = cmdiocb->context_un.ndlp;
870 
871 	/* we pass cmdiocb to state machine which needs rspiocb as well */
872 	cmdiocb->context_un.rsp_iocb = rspiocb;
873 
874 	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
875 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
876 	irsp = &rspiocb->iocb;
877 
878 	cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
879 					CommandResponse.bits.CmdRsp);
880 	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
881 
882 	latt = lpfc_els_chk_latt(vport);
883 
884 	/* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
885 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
886 			 "0209 CT Request completes, latt %d, "
887 			 "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
888 			 latt, irsp->ulpStatus,
889 			 CTrsp->CommandResponse.bits.CmdRsp,
890 			 cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
891 
892 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
893 		"CT cmd cmpl:     status:x%x/x%x cmd:x%x",
894 		irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
895 
896 	if (irsp->ulpStatus) {
897 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
898 				 "0268 NS cmd x%x Error (x%x x%x)\n",
899 				 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
900 
901 		if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
902 			(((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
903 			  IOERR_SLI_DOWN) ||
904 			 ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
905 			  IOERR_SLI_ABORTED)))
906 			goto out;
907 
908 		retry = cmdiocb->retry;
909 		if (retry >= LPFC_MAX_NS_RETRY)
910 			goto out;
911 
912 		retry++;
913 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
914 				 "0250 Retrying NS cmd %x\n", cmdcode);
915 		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
916 		if (rc == 0)
917 			goto out;
918 	}
919 
920 out:
921 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
922 	lpfc_ct_free_iocb(phba, cmdiocb);
923 	return;
924 }
925 
926 static void
927 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
928 			struct lpfc_iocbq *rspiocb)
929 {
930 	IOCB_t *irsp = &rspiocb->iocb;
931 	struct lpfc_vport *vport = cmdiocb->vport;
932 
933 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
934 		struct lpfc_dmabuf *outp;
935 		struct lpfc_sli_ct_request *CTrsp;
936 
937 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
938 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
939 		if (CTrsp->CommandResponse.bits.CmdRsp ==
940 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
941 			vport->ct_flags |= FC_CT_RFT_ID;
942 	}
943 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
944 	return;
945 }
946 
947 static void
948 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
949 			struct lpfc_iocbq *rspiocb)
950 {
951 	IOCB_t *irsp = &rspiocb->iocb;
952 	struct lpfc_vport *vport = cmdiocb->vport;
953 
954 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
955 		struct lpfc_dmabuf *outp;
956 		struct lpfc_sli_ct_request *CTrsp;
957 
958 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
959 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
960 		if (CTrsp->CommandResponse.bits.CmdRsp ==
961 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
962 			vport->ct_flags |= FC_CT_RNN_ID;
963 	}
964 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
965 	return;
966 }
967 
968 static void
969 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
970 			 struct lpfc_iocbq *rspiocb)
971 {
972 	IOCB_t *irsp = &rspiocb->iocb;
973 	struct lpfc_vport *vport = cmdiocb->vport;
974 
975 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
976 		struct lpfc_dmabuf *outp;
977 		struct lpfc_sli_ct_request *CTrsp;
978 
979 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
980 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
981 		if (CTrsp->CommandResponse.bits.CmdRsp ==
982 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
983 			vport->ct_flags |= FC_CT_RSPN_ID;
984 	}
985 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
986 	return;
987 }
988 
989 static void
990 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
991 			 struct lpfc_iocbq *rspiocb)
992 {
993 	IOCB_t *irsp = &rspiocb->iocb;
994 	struct lpfc_vport *vport = cmdiocb->vport;
995 
996 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
997 		struct lpfc_dmabuf *outp;
998 		struct lpfc_sli_ct_request *CTrsp;
999 
1000 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1001 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1002 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1003 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1004 			vport->ct_flags |= FC_CT_RSNN_NN;
1005 	}
1006 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1007 	return;
1008 }
1009 
1010 static void
1011 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1012  struct lpfc_iocbq *rspiocb)
1013 {
1014 	struct lpfc_vport *vport = cmdiocb->vport;
1015 
1016 	/* even if it fails we will act as though it succeeded. */
1017 	vport->ct_flags = 0;
1018 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1019 	return;
1020 }
1021 
1022 static void
1023 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1024 			struct lpfc_iocbq *rspiocb)
1025 {
1026 	IOCB_t *irsp = &rspiocb->iocb;
1027 	struct lpfc_vport *vport = cmdiocb->vport;
1028 
1029 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1030 		struct lpfc_dmabuf *outp;
1031 		struct lpfc_sli_ct_request *CTrsp;
1032 
1033 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1034 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1035 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1036 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1037 			vport->ct_flags |= FC_CT_RFF_ID;
1038 	}
1039 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1040 	return;
1041 }
1042 
1043 int
1044 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1045 	size_t size)
1046 {
1047 	int n;
1048 	uint8_t *wwn = vport->phba->wwpn;
1049 
1050 	n = snprintf(symbol, size,
1051 		     "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
1052 		     wwn[0], wwn[1], wwn[2], wwn[3],
1053 		     wwn[4], wwn[5], wwn[6], wwn[7]);
1054 
1055 	if (vport->port_type == LPFC_PHYSICAL_PORT)
1056 		return n;
1057 
1058 	if (n < size)
1059 		n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
1060 
1061 	if (n < size &&
1062 	    strlen(vport->fc_vport->symbolic_name))
1063 		n += snprintf(symbol + n, size - n, " VName-%s",
1064 			      vport->fc_vport->symbolic_name);
1065 	return n;
1066 }
1067 
1068 int
1069 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1070 	size_t size)
1071 {
1072 	char fwrev[FW_REV_STR_SIZE];
1073 	int n;
1074 
1075 	lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1076 
1077 	n = snprintf(symbol, size, "Emulex %s FV%s DV%s",
1078 		vport->phba->ModelName, fwrev, lpfc_release_version);
1079 	return n;
1080 }
1081 
1082 /*
1083  * lpfc_ns_cmd
1084  * Description:
1085  *    Issue Cmd to NameServer
1086  *       SLI_CTNS_GID_FT
1087  *       LI_CTNS_RFT_ID
1088  */
1089 int
1090 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1091 	    uint8_t retry, uint32_t context)
1092 {
1093 	struct lpfc_nodelist * ndlp;
1094 	struct lpfc_hba *phba = vport->phba;
1095 	struct lpfc_dmabuf *mp, *bmp;
1096 	struct lpfc_sli_ct_request *CtReq;
1097 	struct ulp_bde64 *bpl;
1098 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1099 		      struct lpfc_iocbq *) = NULL;
1100 	uint32_t rsp_size = 1024;
1101 	size_t   size;
1102 	int rc = 0;
1103 
1104 	ndlp = lpfc_findnode_did(vport, NameServer_DID);
1105 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1106 	    || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1107 		rc=1;
1108 		goto ns_cmd_exit;
1109 	}
1110 
1111 	/* fill in BDEs for command */
1112 	/* Allocate buffer for command payload */
1113 	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1114 	if (!mp) {
1115 		rc=2;
1116 		goto ns_cmd_exit;
1117 	}
1118 
1119 	INIT_LIST_HEAD(&mp->list);
1120 	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1121 	if (!mp->virt) {
1122 		rc=3;
1123 		goto ns_cmd_free_mp;
1124 	}
1125 
1126 	/* Allocate buffer for Buffer ptr list */
1127 	bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1128 	if (!bmp) {
1129 		rc=4;
1130 		goto ns_cmd_free_mpvirt;
1131 	}
1132 
1133 	INIT_LIST_HEAD(&bmp->list);
1134 	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1135 	if (!bmp->virt) {
1136 		rc=5;
1137 		goto ns_cmd_free_bmp;
1138 	}
1139 
1140 	/* NameServer Req */
1141 	lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1142 			 "0236 NameServer Req Data: x%x x%x x%x\n",
1143 			 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
1144 
1145 	bpl = (struct ulp_bde64 *) bmp->virt;
1146 	memset(bpl, 0, sizeof(struct ulp_bde64));
1147 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1148 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1149 	bpl->tus.f.bdeFlags = 0;
1150 	if (cmdcode == SLI_CTNS_GID_FT)
1151 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1152 	else if (cmdcode == SLI_CTNS_GFF_ID)
1153 		bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1154 	else if (cmdcode == SLI_CTNS_RFT_ID)
1155 		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1156 	else if (cmdcode == SLI_CTNS_RNN_ID)
1157 		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1158 	else if (cmdcode == SLI_CTNS_RSPN_ID)
1159 		bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1160 	else if (cmdcode == SLI_CTNS_RSNN_NN)
1161 		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1162 	else if (cmdcode == SLI_CTNS_DA_ID)
1163 		bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1164 	else if (cmdcode == SLI_CTNS_RFF_ID)
1165 		bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1166 	else
1167 		bpl->tus.f.bdeSize = 0;
1168 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1169 
1170 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1171 	memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
1172 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1173 	CtReq->RevisionId.bits.InId = 0;
1174 	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1175 	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1176 	CtReq->CommandResponse.bits.Size = 0;
1177 	switch (cmdcode) {
1178 	case SLI_CTNS_GID_FT:
1179 		CtReq->CommandResponse.bits.CmdRsp =
1180 		    be16_to_cpu(SLI_CTNS_GID_FT);
1181 		CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
1182 		if (vport->port_state < LPFC_NS_QRY)
1183 			vport->port_state = LPFC_NS_QRY;
1184 		lpfc_set_disctmo(vport);
1185 		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1186 		rsp_size = FC_MAX_NS_RSP;
1187 		break;
1188 
1189 	case SLI_CTNS_GFF_ID:
1190 		CtReq->CommandResponse.bits.CmdRsp =
1191 			be16_to_cpu(SLI_CTNS_GFF_ID);
1192 		CtReq->un.gff.PortId = cpu_to_be32(context);
1193 		cmpl = lpfc_cmpl_ct_cmd_gff_id;
1194 		break;
1195 
1196 	case SLI_CTNS_RFT_ID:
1197 		vport->ct_flags &= ~FC_CT_RFT_ID;
1198 		CtReq->CommandResponse.bits.CmdRsp =
1199 		    be16_to_cpu(SLI_CTNS_RFT_ID);
1200 		CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1201 		CtReq->un.rft.fcpReg = 1;
1202 		cmpl = lpfc_cmpl_ct_cmd_rft_id;
1203 		break;
1204 
1205 	case SLI_CTNS_RNN_ID:
1206 		vport->ct_flags &= ~FC_CT_RNN_ID;
1207 		CtReq->CommandResponse.bits.CmdRsp =
1208 		    be16_to_cpu(SLI_CTNS_RNN_ID);
1209 		CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1210 		memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1211 		       sizeof (struct lpfc_name));
1212 		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1213 		break;
1214 
1215 	case SLI_CTNS_RSPN_ID:
1216 		vport->ct_flags &= ~FC_CT_RSPN_ID;
1217 		CtReq->CommandResponse.bits.CmdRsp =
1218 		    be16_to_cpu(SLI_CTNS_RSPN_ID);
1219 		CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1220 		size = sizeof(CtReq->un.rspn.symbname);
1221 		CtReq->un.rspn.len =
1222 			lpfc_vport_symbolic_port_name(vport,
1223 			CtReq->un.rspn.symbname, size);
1224 		cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1225 		break;
1226 	case SLI_CTNS_RSNN_NN:
1227 		vport->ct_flags &= ~FC_CT_RSNN_NN;
1228 		CtReq->CommandResponse.bits.CmdRsp =
1229 		    be16_to_cpu(SLI_CTNS_RSNN_NN);
1230 		memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1231 		       sizeof (struct lpfc_name));
1232 		size = sizeof(CtReq->un.rsnn.symbname);
1233 		CtReq->un.rsnn.len =
1234 			lpfc_vport_symbolic_node_name(vport,
1235 			CtReq->un.rsnn.symbname, size);
1236 		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1237 		break;
1238 	case SLI_CTNS_DA_ID:
1239 		/* Implement DA_ID Nameserver request */
1240 		CtReq->CommandResponse.bits.CmdRsp =
1241 			be16_to_cpu(SLI_CTNS_DA_ID);
1242 		CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1243 		cmpl = lpfc_cmpl_ct_cmd_da_id;
1244 		break;
1245 	case SLI_CTNS_RFF_ID:
1246 		vport->ct_flags &= ~FC_CT_RFF_ID;
1247 		CtReq->CommandResponse.bits.CmdRsp =
1248 		    be16_to_cpu(SLI_CTNS_RFF_ID);
1249 		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1250 		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1251 		CtReq->un.rff.type_code = FC_TYPE_FCP;
1252 		cmpl = lpfc_cmpl_ct_cmd_rff_id;
1253 		break;
1254 	}
1255 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1256 	 * to hold ndlp reference for the corresponding callback function.
1257 	 */
1258 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1259 		/* On success, The cmpl function will free the buffers */
1260 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1261 			"Issue CT cmd:    cmd:x%x did:x%x",
1262 			cmdcode, ndlp->nlp_DID, 0);
1263 		return 0;
1264 	}
1265 	rc=6;
1266 
1267 	/* Decrement ndlp reference count to release ndlp reference held
1268 	 * for the failed command's callback function.
1269 	 */
1270 	lpfc_nlp_put(ndlp);
1271 
1272 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1273 ns_cmd_free_bmp:
1274 	kfree(bmp);
1275 ns_cmd_free_mpvirt:
1276 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
1277 ns_cmd_free_mp:
1278 	kfree(mp);
1279 ns_cmd_exit:
1280 	lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1281 			 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1282 			 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1283 	return 1;
1284 }
1285 
1286 static void
1287 lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1288 		      struct lpfc_iocbq * rspiocb)
1289 {
1290 	struct lpfc_dmabuf *inp = cmdiocb->context1;
1291 	struct lpfc_dmabuf *outp = cmdiocb->context2;
1292 	struct lpfc_sli_ct_request *CTrsp = outp->virt;
1293 	struct lpfc_sli_ct_request *CTcmd = inp->virt;
1294 	struct lpfc_nodelist *ndlp;
1295 	uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1296 	uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1297 	struct lpfc_vport *vport = cmdiocb->vport;
1298 	IOCB_t *irsp = &rspiocb->iocb;
1299 	uint32_t latt;
1300 
1301 	latt = lpfc_els_chk_latt(vport);
1302 
1303 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1304 		"FDMI cmpl:       status:x%x/x%x latt:%d",
1305 		irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1306 
1307 	if (latt || irsp->ulpStatus) {
1308 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1309 				 "0229 FDMI cmd %04x failed, latt = %d "
1310 				 "ulpStatus: x%x, rid x%x\n",
1311 				 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1312 				 irsp->un.ulpWord[4]);
1313 		lpfc_ct_free_iocb(phba, cmdiocb);
1314 		return;
1315 	}
1316 
1317 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1318 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1319 		goto fail_out;
1320 
1321 	if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1322 		/* FDMI rsp failed */
1323 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1324 				 "0220 FDMI rsp failed Data: x%x\n",
1325 				 be16_to_cpu(fdmi_cmd));
1326 	}
1327 
1328 	switch (be16_to_cpu(fdmi_cmd)) {
1329 	case SLI_MGMT_RHBA:
1330 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA);
1331 		break;
1332 
1333 	case SLI_MGMT_RPA:
1334 		break;
1335 
1336 	case SLI_MGMT_DHBA:
1337 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT);
1338 		break;
1339 
1340 	case SLI_MGMT_DPRT:
1341 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
1342 		break;
1343 	}
1344 
1345 fail_out:
1346 	lpfc_ct_free_iocb(phba, cmdiocb);
1347 	return;
1348 }
1349 
1350 int
1351 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
1352 {
1353 	struct lpfc_hba *phba = vport->phba;
1354 	struct lpfc_dmabuf *mp, *bmp;
1355 	struct lpfc_sli_ct_request *CtReq;
1356 	struct ulp_bde64 *bpl;
1357 	uint32_t size;
1358 	REG_HBA *rh;
1359 	PORT_ENTRY *pe;
1360 	REG_PORT_ATTRIBUTE *pab;
1361 	ATTRIBUTE_BLOCK *ab;
1362 	ATTRIBUTE_ENTRY *ae;
1363 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1364 		      struct lpfc_iocbq *);
1365 
1366 
1367 	/* fill in BDEs for command */
1368 	/* Allocate buffer for command payload */
1369 	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1370 	if (!mp)
1371 		goto fdmi_cmd_exit;
1372 
1373 	mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
1374 	if (!mp->virt)
1375 		goto fdmi_cmd_free_mp;
1376 
1377 	/* Allocate buffer for Buffer ptr list */
1378 	bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1379 	if (!bmp)
1380 		goto fdmi_cmd_free_mpvirt;
1381 
1382 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
1383 	if (!bmp->virt)
1384 		goto fdmi_cmd_free_bmp;
1385 
1386 	INIT_LIST_HEAD(&mp->list);
1387 	INIT_LIST_HEAD(&bmp->list);
1388 
1389 	/* FDMI request */
1390 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1391 			 "0218 FDMI Request Data: x%x x%x x%x\n",
1392 			 vport->fc_flag, vport->port_state, cmdcode);
1393 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1394 
1395 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1396 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1397 	CtReq->RevisionId.bits.InId = 0;
1398 
1399 	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
1400 	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
1401 	size = 0;
1402 
1403 	switch (cmdcode) {
1404 	case SLI_MGMT_RHBA:
1405 		{
1406 			lpfc_vpd_t *vp = &phba->vpd;
1407 			uint32_t i, j, incr;
1408 			int len;
1409 
1410 			CtReq->CommandResponse.bits.CmdRsp =
1411 			    be16_to_cpu(SLI_MGMT_RHBA);
1412 			CtReq->CommandResponse.bits.Size = 0;
1413 			rh = (REG_HBA *) & CtReq->un.PortID;
1414 			memcpy(&rh->hi.PortName, &vport->fc_sparam.portName,
1415 			       sizeof (struct lpfc_name));
1416 			/* One entry (port) per adapter */
1417 			rh->rpl.EntryCnt = be32_to_cpu(1);
1418 			memcpy(&rh->rpl.pe, &vport->fc_sparam.portName,
1419 			       sizeof (struct lpfc_name));
1420 
1421 			/* point to the HBA attribute block */
1422 			size = 2 * sizeof (struct lpfc_name) + FOURBYTES;
1423 			ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size);
1424 			ab->EntryCnt = 0;
1425 
1426 			/* Point to the beginning of the first HBA attribute
1427 			   entry */
1428 			/* #1 HBA attribute entry */
1429 			size += FOURBYTES;
1430 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1431 			ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME);
1432 			ae->ad.bits.AttrLen =  be16_to_cpu(FOURBYTES
1433 						+ sizeof (struct lpfc_name));
1434 			memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1435 			       sizeof (struct lpfc_name));
1436 			ab->EntryCnt++;
1437 			size += FOURBYTES + sizeof (struct lpfc_name);
1438 
1439 			/* #2 HBA attribute entry */
1440 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1441 			ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER);
1442 			strncpy(ae->un.Manufacturer, "Emulex Corporation", 64);
1443 			len = strlen(ae->un.Manufacturer);
1444 			len += (len & 3) ? (4 - (len & 3)) : 4;
1445 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1446 			ab->EntryCnt++;
1447 			size += FOURBYTES + len;
1448 
1449 			/* #3 HBA attribute entry */
1450 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1451 			ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER);
1452 			strncpy(ae->un.SerialNumber, phba->SerialNumber, 64);
1453 			len = strlen(ae->un.SerialNumber);
1454 			len += (len & 3) ? (4 - (len & 3)) : 4;
1455 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1456 			ab->EntryCnt++;
1457 			size += FOURBYTES + len;
1458 
1459 			/* #4 HBA attribute entry */
1460 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1461 			ae->ad.bits.AttrType = be16_to_cpu(MODEL);
1462 			strncpy(ae->un.Model, phba->ModelName, 256);
1463 			len = strlen(ae->un.Model);
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 			/* #5 HBA attribute entry */
1470 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1471 			ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION);
1472 			strncpy(ae->un.ModelDescription, phba->ModelDesc, 256);
1473 			len = strlen(ae->un.ModelDescription);
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 			/* #6 HBA attribute entry */
1480 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1481 			ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION);
1482 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8);
1483 			/* Convert JEDEC ID to ascii for hardware version */
1484 			incr = vp->rev.biuRev;
1485 			for (i = 0; i < 8; i++) {
1486 				j = (incr & 0xf);
1487 				if (j <= 9)
1488 					ae->un.HardwareVersion[7 - i] =
1489 					    (char)((uint8_t) 0x30 +
1490 						   (uint8_t) j);
1491 				else
1492 					ae->un.HardwareVersion[7 - i] =
1493 					    (char)((uint8_t) 0x61 +
1494 						   (uint8_t) (j - 10));
1495 				incr = (incr >> 4);
1496 			}
1497 			ab->EntryCnt++;
1498 			size += FOURBYTES + 8;
1499 
1500 			/* #7 HBA attribute entry */
1501 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1502 			ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION);
1503 			strncpy(ae->un.DriverVersion,
1504 				lpfc_release_version, 256);
1505 			len = strlen(ae->un.DriverVersion);
1506 			len += (len & 3) ? (4 - (len & 3)) : 4;
1507 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1508 			ab->EntryCnt++;
1509 			size += FOURBYTES + len;
1510 
1511 			/* #8 HBA attribute entry */
1512 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1513 			ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION);
1514 			strncpy(ae->un.OptionROMVersion,
1515 				phba->OptionROMVersion, 256);
1516 			len = strlen(ae->un.OptionROMVersion);
1517 			len += (len & 3) ? (4 - (len & 3)) : 4;
1518 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1519 			ab->EntryCnt++;
1520 			size += FOURBYTES + len;
1521 
1522 			/* #9 HBA attribute entry */
1523 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1524 			ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION);
1525 			lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion,
1526 				1);
1527 			len = strlen(ae->un.FirmwareVersion);
1528 			len += (len & 3) ? (4 - (len & 3)) : 4;
1529 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1530 			ab->EntryCnt++;
1531 			size += FOURBYTES + len;
1532 
1533 			/* #10 HBA attribute entry */
1534 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1535 			ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION);
1536 			sprintf(ae->un.OsNameVersion, "%s %s %s",
1537 				init_utsname()->sysname,
1538 				init_utsname()->release,
1539 				init_utsname()->version);
1540 			len = strlen(ae->un.OsNameVersion);
1541 			len += (len & 3) ? (4 - (len & 3)) : 4;
1542 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1543 			ab->EntryCnt++;
1544 			size += FOURBYTES + len;
1545 
1546 			/* #11 HBA attribute entry */
1547 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1548 			ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN);
1549 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1550 			ae->un.MaxCTPayloadLen = (65 * 4096);
1551 			ab->EntryCnt++;
1552 			size += FOURBYTES + 4;
1553 
1554 			ab->EntryCnt = be32_to_cpu(ab->EntryCnt);
1555 			/* Total size */
1556 			size = GID_REQUEST_SZ - 4 + size;
1557 		}
1558 		break;
1559 
1560 	case SLI_MGMT_RPA:
1561 		{
1562 			lpfc_vpd_t *vp;
1563 			struct serv_parm *hsp;
1564 			int len;
1565 
1566 			vp = &phba->vpd;
1567 
1568 			CtReq->CommandResponse.bits.CmdRsp =
1569 			    be16_to_cpu(SLI_MGMT_RPA);
1570 			CtReq->CommandResponse.bits.Size = 0;
1571 			pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID;
1572 			size = sizeof (struct lpfc_name) + FOURBYTES;
1573 			memcpy((uint8_t *) & pab->PortName,
1574 			       (uint8_t *) & vport->fc_sparam.portName,
1575 			       sizeof (struct lpfc_name));
1576 			pab->ab.EntryCnt = 0;
1577 
1578 			/* #1 Port attribute entry */
1579 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1580 			ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES);
1581 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32);
1582 			ae->un.SupportFC4Types[2] = 1;
1583 			ae->un.SupportFC4Types[7] = 1;
1584 			pab->ab.EntryCnt++;
1585 			size += FOURBYTES + 32;
1586 
1587 			/* #2 Port attribute entry */
1588 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1589 			ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED);
1590 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1591 
1592 			ae->un.SupportSpeed = 0;
1593 			if (phba->lmt & LMT_16Gb)
1594 				ae->un.SupportSpeed |= HBA_PORTSPEED_16GBIT;
1595 			if (phba->lmt & LMT_10Gb)
1596 				ae->un.SupportSpeed |= HBA_PORTSPEED_10GBIT;
1597 			if (phba->lmt & LMT_8Gb)
1598 				ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT;
1599 			if (phba->lmt & LMT_4Gb)
1600 				ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT;
1601 			if (phba->lmt & LMT_2Gb)
1602 				ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT;
1603 			if (phba->lmt & LMT_1Gb)
1604 				ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT;
1605 
1606 			pab->ab.EntryCnt++;
1607 			size += FOURBYTES + 4;
1608 
1609 			/* #3 Port attribute entry */
1610 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1611 			ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED);
1612 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1613 			switch(phba->fc_linkspeed) {
1614 			case LPFC_LINK_SPEED_1GHZ:
1615 				ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
1616 				break;
1617 			case LPFC_LINK_SPEED_2GHZ:
1618 				ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
1619 				break;
1620 			case LPFC_LINK_SPEED_4GHZ:
1621 				ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
1622 				break;
1623 			case LPFC_LINK_SPEED_8GHZ:
1624 				ae->un.PortSpeed = HBA_PORTSPEED_8GBIT;
1625 				break;
1626 			case LPFC_LINK_SPEED_10GHZ:
1627 				ae->un.PortSpeed = HBA_PORTSPEED_10GBIT;
1628 				break;
1629 			case LPFC_LINK_SPEED_16GHZ:
1630 				ae->un.PortSpeed = HBA_PORTSPEED_16GBIT;
1631 				break;
1632 			default:
1633 				ae->un.PortSpeed = HBA_PORTSPEED_UNKNOWN;
1634 				break;
1635 			}
1636 			pab->ab.EntryCnt++;
1637 			size += FOURBYTES + 4;
1638 
1639 			/* #4 Port attribute entry */
1640 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1641 			ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE);
1642 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1643 			hsp = (struct serv_parm *) & vport->fc_sparam;
1644 			ae->un.MaxFrameSize =
1645 			    (((uint32_t) hsp->cmn.
1646 			      bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn.
1647 			    bbRcvSizeLsb;
1648 			pab->ab.EntryCnt++;
1649 			size += FOURBYTES + 4;
1650 
1651 			/* #5 Port attribute entry */
1652 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1653 			ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME);
1654 			strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME);
1655 			len = strlen((char *)ae->un.OsDeviceName);
1656 			len += (len & 3) ? (4 - (len & 3)) : 4;
1657 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1658 			pab->ab.EntryCnt++;
1659 			size += FOURBYTES + len;
1660 
1661 			if (vport->cfg_fdmi_on == 2) {
1662 				/* #6 Port attribute entry */
1663 				ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab +
1664 							  size);
1665 				ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME);
1666 				sprintf(ae->un.HostName, "%s",
1667 					init_utsname()->nodename);
1668 				len = strlen(ae->un.HostName);
1669 				len += (len & 3) ? (4 - (len & 3)) : 4;
1670 				ae->ad.bits.AttrLen =
1671 				    be16_to_cpu(FOURBYTES + len);
1672 				pab->ab.EntryCnt++;
1673 				size += FOURBYTES + len;
1674 			}
1675 
1676 			pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt);
1677 			/* Total size */
1678 			size = GID_REQUEST_SZ - 4 + size;
1679 		}
1680 		break;
1681 
1682 	case SLI_MGMT_DHBA:
1683 		CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA);
1684 		CtReq->CommandResponse.bits.Size = 0;
1685 		pe = (PORT_ENTRY *) & CtReq->un.PortID;
1686 		memcpy((uint8_t *) & pe->PortName,
1687 		       (uint8_t *) & vport->fc_sparam.portName,
1688 		       sizeof (struct lpfc_name));
1689 		size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1690 		break;
1691 
1692 	case SLI_MGMT_DPRT:
1693 		CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT);
1694 		CtReq->CommandResponse.bits.Size = 0;
1695 		pe = (PORT_ENTRY *) & CtReq->un.PortID;
1696 		memcpy((uint8_t *) & pe->PortName,
1697 		       (uint8_t *) & vport->fc_sparam.portName,
1698 		       sizeof (struct lpfc_name));
1699 		size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1700 		break;
1701 	}
1702 
1703 	bpl = (struct ulp_bde64 *) bmp->virt;
1704 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1705 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1706 	bpl->tus.f.bdeFlags = 0;
1707 	bpl->tus.f.bdeSize = size;
1708 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1709 
1710 	cmpl = lpfc_cmpl_ct_cmd_fdmi;
1711 
1712 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1713 	 * to hold ndlp reference for the corresponding callback function.
1714 	 */
1715 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0))
1716 		return 0;
1717 
1718 	/* Decrement ndlp reference count to release ndlp reference held
1719 	 * for the failed command's callback function.
1720 	 */
1721 	lpfc_nlp_put(ndlp);
1722 
1723 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1724 fdmi_cmd_free_bmp:
1725 	kfree(bmp);
1726 fdmi_cmd_free_mpvirt:
1727 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
1728 fdmi_cmd_free_mp:
1729 	kfree(mp);
1730 fdmi_cmd_exit:
1731 	/* Issue FDMI request failed */
1732 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1733 			 "0244 Issue FDMI request failed Data: x%x\n",
1734 			 cmdcode);
1735 	return 1;
1736 }
1737 
1738 /**
1739  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
1740  * @ptr - Context object of the timer.
1741  *
1742  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
1743  * the worker thread.
1744  **/
1745 void
1746 lpfc_delayed_disc_tmo(unsigned long ptr)
1747 {
1748 	struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
1749 	struct lpfc_hba   *phba = vport->phba;
1750 	uint32_t tmo_posted;
1751 	unsigned long iflag;
1752 
1753 	spin_lock_irqsave(&vport->work_port_lock, iflag);
1754 	tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
1755 	if (!tmo_posted)
1756 		vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
1757 	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1758 
1759 	if (!tmo_posted)
1760 		lpfc_worker_wake_up(phba);
1761 	return;
1762 }
1763 
1764 /**
1765  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
1766  *      handle delayed discovery.
1767  * @vport: pointer to a host virtual N_Port data structure.
1768  *
1769  * This function start nport discovery of the vport.
1770  **/
1771 void
1772 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
1773 {
1774 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1775 
1776 	spin_lock_irq(shost->host_lock);
1777 	if (!(vport->fc_flag & FC_DISC_DELAYED)) {
1778 		spin_unlock_irq(shost->host_lock);
1779 		return;
1780 	}
1781 	vport->fc_flag &= ~FC_DISC_DELAYED;
1782 	spin_unlock_irq(shost->host_lock);
1783 
1784 	lpfc_do_scr_ns_plogi(vport->phba, vport);
1785 }
1786 
1787 void
1788 lpfc_fdmi_tmo(unsigned long ptr)
1789 {
1790 	struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
1791 	struct lpfc_hba   *phba = vport->phba;
1792 	uint32_t tmo_posted;
1793 	unsigned long iflag;
1794 
1795 	spin_lock_irqsave(&vport->work_port_lock, iflag);
1796 	tmo_posted = vport->work_port_events & WORKER_FDMI_TMO;
1797 	if (!tmo_posted)
1798 		vport->work_port_events |= WORKER_FDMI_TMO;
1799 	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1800 
1801 	if (!tmo_posted)
1802 		lpfc_worker_wake_up(phba);
1803 	return;
1804 }
1805 
1806 void
1807 lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
1808 {
1809 	struct lpfc_nodelist *ndlp;
1810 
1811 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1812 	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1813 		if (init_utsname()->nodename[0] != '\0')
1814 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
1815 		else
1816 			mod_timer(&vport->fc_fdmitmo, jiffies +
1817 				  msecs_to_jiffies(1000 * 60));
1818 	}
1819 	return;
1820 }
1821 
1822 void
1823 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
1824 {
1825 	struct lpfc_sli *psli = &phba->sli;
1826 	lpfc_vpd_t *vp = &phba->vpd;
1827 	uint32_t b1, b2, b3, b4, i, rev;
1828 	char c;
1829 	uint32_t *ptr, str[4];
1830 	uint8_t *fwname;
1831 
1832 	if (phba->sli_rev == LPFC_SLI_REV4)
1833 		snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
1834 	else if (vp->rev.rBit) {
1835 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
1836 			rev = vp->rev.sli2FwRev;
1837 		else
1838 			rev = vp->rev.sli1FwRev;
1839 
1840 		b1 = (rev & 0x0000f000) >> 12;
1841 		b2 = (rev & 0x00000f00) >> 8;
1842 		b3 = (rev & 0x000000c0) >> 6;
1843 		b4 = (rev & 0x00000030) >> 4;
1844 
1845 		switch (b4) {
1846 		case 0:
1847 			c = 'N';
1848 			break;
1849 		case 1:
1850 			c = 'A';
1851 			break;
1852 		case 2:
1853 			c = 'B';
1854 			break;
1855 		case 3:
1856 			c = 'X';
1857 			break;
1858 		default:
1859 			c = 0;
1860 			break;
1861 		}
1862 		b4 = (rev & 0x0000000f);
1863 
1864 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
1865 			fwname = vp->rev.sli2FwName;
1866 		else
1867 			fwname = vp->rev.sli1FwName;
1868 
1869 		for (i = 0; i < 16; i++)
1870 			if (fwname[i] == 0x20)
1871 				fwname[i] = 0;
1872 
1873 		ptr = (uint32_t*)fwname;
1874 
1875 		for (i = 0; i < 3; i++)
1876 			str[i] = be32_to_cpu(*ptr++);
1877 
1878 		if (c == 0) {
1879 			if (flag)
1880 				sprintf(fwrevision, "%d.%d%d (%s)",
1881 					b1, b2, b3, (char *)str);
1882 			else
1883 				sprintf(fwrevision, "%d.%d%d", b1,
1884 					b2, b3);
1885 		} else {
1886 			if (flag)
1887 				sprintf(fwrevision, "%d.%d%d%c%d (%s)",
1888 					b1, b2, b3, c,
1889 					b4, (char *)str);
1890 			else
1891 				sprintf(fwrevision, "%d.%d%d%c%d",
1892 					b1, b2, b3, c, b4);
1893 		}
1894 	} else {
1895 		rev = vp->rev.smFwRev;
1896 
1897 		b1 = (rev & 0xff000000) >> 24;
1898 		b2 = (rev & 0x00f00000) >> 20;
1899 		b3 = (rev & 0x000f0000) >> 16;
1900 		c  = (rev & 0x0000ff00) >> 8;
1901 		b4 = (rev & 0x000000ff);
1902 
1903 		sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
1904 	}
1905 	return;
1906 }
1907