xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_ct.c (revision b6dcefde)
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 #include <scsi/fc/fc_fs.h>
35 
36 #include "lpfc_hw4.h"
37 #include "lpfc_hw.h"
38 #include "lpfc_sli.h"
39 #include "lpfc_sli4.h"
40 #include "lpfc_nl.h"
41 #include "lpfc_disc.h"
42 #include "lpfc_scsi.h"
43 #include "lpfc.h"
44 #include "lpfc_logmsg.h"
45 #include "lpfc_crtn.h"
46 #include "lpfc_version.h"
47 #include "lpfc_vport.h"
48 #include "lpfc_debugfs.h"
49 
50 #define HBA_PORTSPEED_UNKNOWN               0	/* Unknown - transceiver
51 						 * incapable of reporting */
52 #define HBA_PORTSPEED_1GBIT                 1	/* 1 GBit/sec */
53 #define HBA_PORTSPEED_2GBIT                 2	/* 2 GBit/sec */
54 #define HBA_PORTSPEED_4GBIT                 8   /* 4 GBit/sec */
55 #define HBA_PORTSPEED_8GBIT                16   /* 8 GBit/sec */
56 #define HBA_PORTSPEED_10GBIT                4	/* 10 GBit/sec */
57 #define HBA_PORTSPEED_NOT_NEGOTIATED        5	/* Speed not established */
58 
59 #define FOURBYTES	4
60 
61 
62 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
63 
64 static void
65 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
66 			  struct lpfc_dmabuf *mp, uint32_t size)
67 {
68 	if (!mp) {
69 		lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
70 				"0146 Ignoring unsolicited CT No HBQ "
71 				"status = x%x\n",
72 				piocbq->iocb.ulpStatus);
73 	}
74 	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
75 			"0145 Ignoring unsolicted CT HBQ Size:%d "
76 			"status = x%x\n",
77 			size, piocbq->iocb.ulpStatus);
78 }
79 
80 static void
81 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
82 		     struct lpfc_dmabuf *mp, uint32_t size)
83 {
84 	lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
85 }
86 
87 void
88 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
89 		    struct lpfc_iocbq *piocbq)
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 	lpfc_bsg_ct_unsol_event(phba, pring, piocbq);
101 
102 	if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
103 		lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
104 	} else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
105 		((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
106 		/* Not enough posted buffers; Try posting more buffers */
107 		phba->fc_stat.NoRcvBuf++;
108 		if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
109 			lpfc_post_buffer(phba, pring, 2);
110 		return;
111 	}
112 
113 	/* If there are no BDEs associated with this IOCB,
114 	 * there is nothing to do.
115 	 */
116 	if (icmd->ulpBdeCount == 0)
117 		return;
118 
119 	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
120 		INIT_LIST_HEAD(&head);
121 		list_add_tail(&head, &piocbq->list);
122 		list_for_each_entry(iocbq, &head, list) {
123 			icmd = &iocbq->iocb;
124 			if (icmd->ulpBdeCount == 0)
125 				continue;
126 			bdeBuf = iocbq->context2;
127 			iocbq->context2 = NULL;
128 			size  = icmd->un.cont64[0].tus.f.bdeSize;
129 			lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
130 			lpfc_in_buf_free(phba, bdeBuf);
131 			if (icmd->ulpBdeCount == 2) {
132 				bdeBuf = iocbq->context3;
133 				iocbq->context3 = NULL;
134 				size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
135 				lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
136 						     size);
137 				lpfc_in_buf_free(phba, bdeBuf);
138 			}
139 		}
140 		list_del(&head);
141 	} else {
142 		INIT_LIST_HEAD(&head);
143 		list_add_tail(&head, &piocbq->list);
144 		list_for_each_entry(iocbq, &head, list) {
145 			icmd = &iocbq->iocb;
146 			if (icmd->ulpBdeCount == 0)
147 				lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
148 			for (i = 0; i < icmd->ulpBdeCount; i++) {
149 				paddr = getPaddr(icmd->un.cont64[i].addrHigh,
150 						 icmd->un.cont64[i].addrLow);
151 				mp = lpfc_sli_ringpostbuf_get(phba, pring,
152 							      paddr);
153 				size = icmd->un.cont64[i].tus.f.bdeSize;
154 				lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
155 				lpfc_in_buf_free(phba, mp);
156 			}
157 			lpfc_post_buffer(phba, pring, i);
158 		}
159 		list_del(&head);
160 	}
161 }
162 
163 /**
164  * lpfc_sli4_ct_abort_unsol_event - Default handle for sli4 unsol abort
165  * @phba: Pointer to HBA context object.
166  * @pring: Pointer to the driver internal I/O ring.
167  * @piocbq: Pointer to the IOCBQ.
168  *
169  * This function serves as the default handler for the sli4 unsolicited
170  * abort event. It shall be invoked when there is no application interface
171  * registered unsolicited abort handler. This handler does nothing but
172  * just simply releases the dma buffer used by the unsol abort event.
173  **/
174 void
175 lpfc_sli4_ct_abort_unsol_event(struct lpfc_hba *phba,
176 			       struct lpfc_sli_ring *pring,
177 			       struct lpfc_iocbq *piocbq)
178 {
179 	IOCB_t *icmd = &piocbq->iocb;
180 	struct lpfc_dmabuf *bdeBuf;
181 	uint32_t size;
182 
183 	/* Forward abort event to any process registered to receive ct event */
184 	lpfc_bsg_ct_unsol_event(phba, pring, piocbq);
185 
186 	/* If there is no BDE associated with IOCB, there is nothing to do */
187 	if (icmd->ulpBdeCount == 0)
188 		return;
189 	bdeBuf = piocbq->context2;
190 	piocbq->context2 = NULL;
191 	size  = icmd->un.cont64[0].tus.f.bdeSize;
192 	lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
193 	lpfc_in_buf_free(phba, bdeBuf);
194 }
195 
196 static void
197 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
198 {
199 	struct lpfc_dmabuf *mlast, *next_mlast;
200 
201 	list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
202 		lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
203 		list_del(&mlast->list);
204 		kfree(mlast);
205 	}
206 	lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
207 	kfree(mlist);
208 	return;
209 }
210 
211 static struct lpfc_dmabuf *
212 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
213 		  uint32_t size, int *entries)
214 {
215 	struct lpfc_dmabuf *mlist = NULL;
216 	struct lpfc_dmabuf *mp;
217 	int cnt, i = 0;
218 
219 	/* We get chunks of FCELSSIZE */
220 	cnt = size > FCELSSIZE ? FCELSSIZE: size;
221 
222 	while (size) {
223 		/* Allocate buffer for rsp payload */
224 		mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
225 		if (!mp) {
226 			if (mlist)
227 				lpfc_free_ct_rsp(phba, mlist);
228 			return NULL;
229 		}
230 
231 		INIT_LIST_HEAD(&mp->list);
232 
233 		if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
234 		    cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
235 			mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
236 		else
237 			mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
238 
239 		if (!mp->virt) {
240 			kfree(mp);
241 			if (mlist)
242 				lpfc_free_ct_rsp(phba, mlist);
243 			return NULL;
244 		}
245 
246 		/* Queue it to a linked list */
247 		if (!mlist)
248 			mlist = mp;
249 		else
250 			list_add_tail(&mp->list, &mlist->list);
251 
252 		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
253 		/* build buffer ptr list for IOCB */
254 		bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
255 		bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
256 		bpl->tus.f.bdeSize = (uint16_t) cnt;
257 		bpl->tus.w = le32_to_cpu(bpl->tus.w);
258 		bpl++;
259 
260 		i++;
261 		size -= cnt;
262 	}
263 
264 	*entries = i;
265 	return mlist;
266 }
267 
268 int
269 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
270 {
271 	struct lpfc_dmabuf *buf_ptr;
272 
273 	if (ctiocb->context_un.ndlp) {
274 		lpfc_nlp_put(ctiocb->context_un.ndlp);
275 		ctiocb->context_un.ndlp = NULL;
276 	}
277 	if (ctiocb->context1) {
278 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
279 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
280 		kfree(buf_ptr);
281 		ctiocb->context1 = NULL;
282 	}
283 	if (ctiocb->context2) {
284 		lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
285 		ctiocb->context2 = NULL;
286 	}
287 
288 	if (ctiocb->context3) {
289 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
290 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
291 		kfree(buf_ptr);
292 		ctiocb->context1 = NULL;
293 	}
294 	lpfc_sli_release_iocbq(phba, ctiocb);
295 	return 0;
296 }
297 
298 static int
299 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
300 	     struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
301 	     void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
302 		     struct lpfc_iocbq *),
303 	     struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
304 	     uint32_t tmo, uint8_t retry)
305 {
306 	struct lpfc_hba  *phba = vport->phba;
307 	IOCB_t *icmd;
308 	struct lpfc_iocbq *geniocb;
309 	int rc;
310 
311 	/* Allocate buffer for  command iocb */
312 	geniocb = lpfc_sli_get_iocbq(phba);
313 
314 	if (geniocb == NULL)
315 		return 1;
316 
317 	icmd = &geniocb->iocb;
318 	icmd->un.genreq64.bdl.ulpIoTag32 = 0;
319 	icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
320 	icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
321 	icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
322 	icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
323 
324 	if (usr_flg)
325 		geniocb->context3 = NULL;
326 	else
327 		geniocb->context3 = (uint8_t *) bmp;
328 
329 	/* Save for completion so we can release these resources */
330 	geniocb->context1 = (uint8_t *) inp;
331 	geniocb->context2 = (uint8_t *) outp;
332 	geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
333 
334 	/* Fill in payload, bp points to frame payload */
335 	icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
336 
337 	/* Fill in rest of iocb */
338 	icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
339 	icmd->un.genreq64.w5.hcsw.Dfctl = 0;
340 	icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
341 	icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
342 
343 	if (!tmo) {
344 		 /* FC spec states we need 3 * ratov for CT requests */
345 		tmo = (3 * phba->fc_ratov);
346 	}
347 	icmd->ulpTimeout = tmo;
348 	icmd->ulpBdeCount = 1;
349 	icmd->ulpLe = 1;
350 	icmd->ulpClass = CLASS3;
351 	icmd->ulpContext = ndlp->nlp_rpi;
352 
353 	if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
354 		/* For GEN_REQUEST64_CR, use the RPI */
355 		icmd->ulpCt_h = 0;
356 		icmd->ulpCt_l = 0;
357 	}
358 
359 	/* Issue GEN REQ IOCB for NPORT <did> */
360 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
361 			 "0119 Issue GEN REQ IOCB to NPORT x%x "
362 			 "Data: x%x x%x\n",
363 			 ndlp->nlp_DID, icmd->ulpIoTag,
364 			 vport->port_state);
365 	geniocb->iocb_cmpl = cmpl;
366 	geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
367 	geniocb->vport = vport;
368 	geniocb->retry = retry;
369 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
370 
371 	if (rc == IOCB_ERROR) {
372 		lpfc_sli_release_iocbq(phba, geniocb);
373 		return 1;
374 	}
375 
376 	return 0;
377 }
378 
379 static int
380 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
381 	    struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
382 	    void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
383 			  struct lpfc_iocbq *),
384 	    uint32_t rsp_size, uint8_t retry)
385 {
386 	struct lpfc_hba  *phba = vport->phba;
387 	struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
388 	struct lpfc_dmabuf *outmp;
389 	int cnt = 0, status;
390 	int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
391 		CommandResponse.bits.CmdRsp;
392 
393 	bpl++;			/* Skip past ct request */
394 
395 	/* Put buffer(s) for ct rsp in bpl */
396 	outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
397 	if (!outmp)
398 		return -ENOMEM;
399 	/*
400 	 * Form the CT IOCB.  The total number of BDEs in this IOCB
401 	 * is the single command plus response count from
402 	 * lpfc_alloc_ct_rsp.
403 	 */
404 	cnt += 1;
405 	status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
406 			      cnt, 0, retry);
407 	if (status) {
408 		lpfc_free_ct_rsp(phba, outmp);
409 		return -ENOMEM;
410 	}
411 	return 0;
412 }
413 
414 struct lpfc_vport *
415 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
416 	struct lpfc_vport *vport_curr;
417 	unsigned long flags;
418 
419 	spin_lock_irqsave(&phba->hbalock, flags);
420 	list_for_each_entry(vport_curr, &phba->port_list, listentry) {
421 		if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
422 			spin_unlock_irqrestore(&phba->hbalock, flags);
423 			return vport_curr;
424 		}
425 	}
426 	spin_unlock_irqrestore(&phba->hbalock, flags);
427 	return NULL;
428 }
429 
430 static int
431 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
432 {
433 	struct lpfc_hba  *phba = vport->phba;
434 	struct lpfc_sli_ct_request *Response =
435 		(struct lpfc_sli_ct_request *) mp->virt;
436 	struct lpfc_nodelist *ndlp = NULL;
437 	struct lpfc_dmabuf *mlast, *next_mp;
438 	uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
439 	uint32_t Did, CTentry;
440 	int Cnt;
441 	struct list_head head;
442 
443 	lpfc_set_disctmo(vport);
444 	vport->num_disc_nodes = 0;
445 	vport->fc_ns_retry = 0;
446 
447 
448 	list_add_tail(&head, &mp->list);
449 	list_for_each_entry_safe(mp, next_mp, &head, list) {
450 		mlast = mp;
451 
452 		Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
453 
454 		Size -= Cnt;
455 
456 		if (!ctptr) {
457 			ctptr = (uint32_t *) mlast->virt;
458 		} else
459 			Cnt -= 16;	/* subtract length of CT header */
460 
461 		/* Loop through entire NameServer list of DIDs */
462 		while (Cnt >= sizeof (uint32_t)) {
463 			/* Get next DID from NameServer List */
464 			CTentry = *ctptr++;
465 			Did = ((be32_to_cpu(CTentry)) & Mask_DID);
466 
467 			ndlp = NULL;
468 
469 			/*
470 			 * Check for rscn processing or not
471 			 * To conserve rpi's, filter out addresses for other
472 			 * vports on the same physical HBAs.
473 			 */
474 			if ((Did != vport->fc_myDID) &&
475 			    ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
476 			     vport->cfg_peer_port_login)) {
477 				if ((vport->port_type != LPFC_NPIV_PORT) ||
478 				    (!(vport->ct_flags & FC_CT_RFF_ID)) ||
479 				    (!vport->cfg_restrict_login)) {
480 					ndlp = lpfc_setup_disc_node(vport, Did);
481 					if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
482 						lpfc_debugfs_disc_trc(vport,
483 						LPFC_DISC_TRC_CT,
484 						"Parse GID_FTrsp: "
485 						"did:x%x flg:x%x x%x",
486 						Did, ndlp->nlp_flag,
487 						vport->fc_flag);
488 
489 						lpfc_printf_vlog(vport,
490 							KERN_INFO,
491 							LOG_DISCOVERY,
492 							"0238 Process "
493 							"x%x NameServer Rsp"
494 							"Data: x%x x%x x%x\n",
495 							Did, ndlp->nlp_flag,
496 							vport->fc_flag,
497 							vport->fc_rscn_id_cnt);
498 					} else {
499 						lpfc_debugfs_disc_trc(vport,
500 						LPFC_DISC_TRC_CT,
501 						"Skip1 GID_FTrsp: "
502 						"did:x%x flg:x%x cnt:%d",
503 						Did, vport->fc_flag,
504 						vport->fc_rscn_id_cnt);
505 
506 						lpfc_printf_vlog(vport,
507 							KERN_INFO,
508 							LOG_DISCOVERY,
509 							"0239 Skip x%x "
510 							"NameServer Rsp Data: "
511 							"x%x x%x\n",
512 							Did, vport->fc_flag,
513 							vport->fc_rscn_id_cnt);
514 					}
515 
516 				} else {
517 					if (!(vport->fc_flag & FC_RSCN_MODE) ||
518 					(lpfc_rscn_payload_check(vport, Did))) {
519 						lpfc_debugfs_disc_trc(vport,
520 						LPFC_DISC_TRC_CT,
521 						"Query GID_FTrsp: "
522 						"did:x%x flg:x%x cnt:%d",
523 						Did, vport->fc_flag,
524 						vport->fc_rscn_id_cnt);
525 
526 						/* This NPortID was previously
527 						 * a FCP target, * Don't even
528 						 * bother to send GFF_ID.
529 						 */
530 						ndlp = lpfc_findnode_did(vport,
531 							Did);
532 						if (ndlp &&
533 						    NLP_CHK_NODE_ACT(ndlp)
534 						    && (ndlp->nlp_type &
535 						     NLP_FCP_TARGET))
536 							lpfc_setup_disc_node
537 								(vport, Did);
538 						else if (lpfc_ns_cmd(vport,
539 							SLI_CTNS_GFF_ID,
540 							0, Did) == 0)
541 							vport->num_disc_nodes++;
542 						else
543 							lpfc_setup_disc_node
544 								(vport, Did);
545 					}
546 					else {
547 						lpfc_debugfs_disc_trc(vport,
548 						LPFC_DISC_TRC_CT,
549 						"Skip2 GID_FTrsp: "
550 						"did:x%x flg:x%x cnt:%d",
551 						Did, vport->fc_flag,
552 						vport->fc_rscn_id_cnt);
553 
554 						lpfc_printf_vlog(vport,
555 							KERN_INFO,
556 							LOG_DISCOVERY,
557 							"0245 Skip x%x "
558 							"NameServer Rsp Data: "
559 							"x%x x%x\n",
560 							Did, vport->fc_flag,
561 							vport->fc_rscn_id_cnt);
562 					}
563 				}
564 			}
565 			if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY)))
566 				goto nsout1;
567 			Cnt -= sizeof (uint32_t);
568 		}
569 		ctptr = NULL;
570 
571 	}
572 
573 nsout1:
574 	list_del(&head);
575 	return 0;
576 }
577 
578 static void
579 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
580 			struct lpfc_iocbq *rspiocb)
581 {
582 	struct lpfc_vport *vport = cmdiocb->vport;
583 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
584 	IOCB_t *irsp;
585 	struct lpfc_dmabuf *bmp;
586 	struct lpfc_dmabuf *outp;
587 	struct lpfc_sli_ct_request *CTrsp;
588 	struct lpfc_nodelist *ndlp;
589 	int rc;
590 
591 	/* First save ndlp, before we overwrite it */
592 	ndlp = cmdiocb->context_un.ndlp;
593 
594 	/* we pass cmdiocb to state machine which needs rspiocb as well */
595 	cmdiocb->context_un.rsp_iocb = rspiocb;
596 
597 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
598 	bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
599 	irsp = &rspiocb->iocb;
600 
601 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
602 		 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
603 		irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
604 
605 	/* Don't bother processing response if vport is being torn down. */
606 	if (vport->load_flag & FC_UNLOADING) {
607 		if (vport->fc_flag & FC_RSCN_MODE)
608 			lpfc_els_flush_rscn(vport);
609 		goto out;
610 	}
611 
612 	if (lpfc_els_chk_latt(vport)) {
613 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
614 				 "0216 Link event during NS query\n");
615 		if (vport->fc_flag & FC_RSCN_MODE)
616 			lpfc_els_flush_rscn(vport);
617 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
618 		goto out;
619 	}
620 	if (lpfc_error_lost_link(irsp)) {
621 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
622 				 "0226 NS query failed due to link event\n");
623 		if (vport->fc_flag & FC_RSCN_MODE)
624 			lpfc_els_flush_rscn(vport);
625 		goto out;
626 	}
627 	if (irsp->ulpStatus) {
628 		/* Check for retry */
629 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
630 			if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
631 			    irsp->un.ulpWord[4] != IOERR_NO_RESOURCES)
632 				vport->fc_ns_retry++;
633 
634 			/* CT command is being retried */
635 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
636 					 vport->fc_ns_retry, 0);
637 			if (rc == 0)
638 				goto out;
639 		}
640 		if (vport->fc_flag & FC_RSCN_MODE)
641 			lpfc_els_flush_rscn(vport);
642 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
643 		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
644 				 "0257 GID_FT Query error: 0x%x 0x%x\n",
645 				 irsp->ulpStatus, vport->fc_ns_retry);
646 	} else {
647 		/* Good status, continue checking */
648 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
649 		if (CTrsp->CommandResponse.bits.CmdRsp ==
650 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
651 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
652 					 "0208 NameServer Rsp Data: x%x\n",
653 					 vport->fc_flag);
654 			lpfc_ns_rsp(vport, outp,
655 				    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
656 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
657 			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
658 			/* NameServer Rsp Error */
659 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
660 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
661 				lpfc_printf_vlog(vport, KERN_INFO,
662 					LOG_DISCOVERY,
663 					"0269 No NameServer Entries "
664 					"Data: x%x x%x x%x x%x\n",
665 					CTrsp->CommandResponse.bits.CmdRsp,
666 					(uint32_t) CTrsp->ReasonCode,
667 					(uint32_t) CTrsp->Explanation,
668 					vport->fc_flag);
669 
670 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
671 				"GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
672 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
673 				(uint32_t) CTrsp->ReasonCode,
674 				(uint32_t) CTrsp->Explanation);
675 			} else {
676 				lpfc_printf_vlog(vport, KERN_INFO,
677 					LOG_DISCOVERY,
678 					"0240 NameServer Rsp Error "
679 					"Data: x%x x%x x%x x%x\n",
680 					CTrsp->CommandResponse.bits.CmdRsp,
681 					(uint32_t) CTrsp->ReasonCode,
682 					(uint32_t) CTrsp->Explanation,
683 					vport->fc_flag);
684 
685 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
686 				"GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
687 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
688 				(uint32_t) CTrsp->ReasonCode,
689 				(uint32_t) CTrsp->Explanation);
690 			}
691 
692 
693 		} else {
694 			/* NameServer Rsp Error */
695 			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
696 					"0241 NameServer Rsp Error "
697 					"Data: x%x x%x x%x x%x\n",
698 					CTrsp->CommandResponse.bits.CmdRsp,
699 					(uint32_t) CTrsp->ReasonCode,
700 					(uint32_t) CTrsp->Explanation,
701 					vport->fc_flag);
702 
703 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
704 				"GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
705 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
706 				(uint32_t) CTrsp->ReasonCode,
707 				(uint32_t) CTrsp->Explanation);
708 		}
709 	}
710 	/* Link up / RSCN discovery */
711 	if (vport->num_disc_nodes == 0) {
712 		/*
713 		 * The driver has cycled through all Nports in the RSCN payload.
714 		 * Complete the handling by cleaning up and marking the
715 		 * current driver state.
716 		 */
717 		if (vport->port_state >= LPFC_DISC_AUTH) {
718 			if (vport->fc_flag & FC_RSCN_MODE) {
719 				lpfc_els_flush_rscn(vport);
720 				spin_lock_irq(shost->host_lock);
721 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
722 				spin_unlock_irq(shost->host_lock);
723 			}
724 			else
725 				lpfc_els_flush_rscn(vport);
726 		}
727 
728 		lpfc_disc_start(vport);
729 	}
730 out:
731 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
732 	lpfc_ct_free_iocb(phba, cmdiocb);
733 	return;
734 }
735 
736 static void
737 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
738 			struct lpfc_iocbq *rspiocb)
739 {
740 	struct lpfc_vport *vport = cmdiocb->vport;
741 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
742 	IOCB_t *irsp = &rspiocb->iocb;
743 	struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
744 	struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
745 	struct lpfc_sli_ct_request *CTrsp;
746 	int did, rc, retry;
747 	uint8_t fbits;
748 	struct lpfc_nodelist *ndlp;
749 
750 	did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
751 	did = be32_to_cpu(did);
752 
753 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
754 		"GFF_ID cmpl:     status:x%x/x%x did:x%x",
755 		irsp->ulpStatus, irsp->un.ulpWord[4], did);
756 
757 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
758 		/* Good status, continue checking */
759 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
760 		fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
761 
762 		if (CTrsp->CommandResponse.bits.CmdRsp ==
763 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
764 			if ((fbits & FC4_FEATURE_INIT) &&
765 			    !(fbits & FC4_FEATURE_TARGET)) {
766 				lpfc_printf_vlog(vport, KERN_INFO,
767 						 LOG_DISCOVERY,
768 						 "0270 Skip x%x GFF "
769 						 "NameServer Rsp Data: (init) "
770 						 "x%x x%x\n", did, fbits,
771 						 vport->fc_rscn_id_cnt);
772 				goto out;
773 			}
774 		}
775 	}
776 	else {
777 		/* Check for retry */
778 		if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
779 			retry = 1;
780 			if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
781 				switch (irsp->un.ulpWord[4]) {
782 				case IOERR_NO_RESOURCES:
783 					/* We don't increment the retry
784 					 * count for this case.
785 					 */
786 					break;
787 				case IOERR_LINK_DOWN:
788 				case IOERR_SLI_ABORTED:
789 				case IOERR_SLI_DOWN:
790 					retry = 0;
791 					break;
792 				default:
793 					cmdiocb->retry++;
794 				}
795 			}
796 			else
797 				cmdiocb->retry++;
798 
799 			if (retry) {
800 				/* CT command is being retried */
801 				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
802 					 cmdiocb->retry, did);
803 				if (rc == 0) {
804 					/* success */
805 					lpfc_ct_free_iocb(phba, cmdiocb);
806 					return;
807 				}
808 			}
809 		}
810 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
811 				 "0267 NameServer GFF Rsp "
812 				 "x%x Error (%d %d) Data: x%x x%x\n",
813 				 did, irsp->ulpStatus, irsp->un.ulpWord[4],
814 				 vport->fc_flag, vport->fc_rscn_id_cnt);
815 	}
816 
817 	/* This is a target port, unregistered port, or the GFF_ID failed */
818 	ndlp = lpfc_setup_disc_node(vport, did);
819 	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
820 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
821 				 "0242 Process x%x GFF "
822 				 "NameServer Rsp Data: x%x x%x x%x\n",
823 				 did, ndlp->nlp_flag, vport->fc_flag,
824 				 vport->fc_rscn_id_cnt);
825 	} else {
826 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
827 				 "0243 Skip x%x GFF "
828 				 "NameServer Rsp Data: x%x x%x\n", did,
829 				 vport->fc_flag, vport->fc_rscn_id_cnt);
830 	}
831 out:
832 	/* Link up / RSCN discovery */
833 	if (vport->num_disc_nodes)
834 		vport->num_disc_nodes--;
835 	if (vport->num_disc_nodes == 0) {
836 		/*
837 		 * The driver has cycled through all Nports in the RSCN payload.
838 		 * Complete the handling by cleaning up and marking the
839 		 * current driver state.
840 		 */
841 		if (vport->port_state >= LPFC_DISC_AUTH) {
842 			if (vport->fc_flag & FC_RSCN_MODE) {
843 				lpfc_els_flush_rscn(vport);
844 				spin_lock_irq(shost->host_lock);
845 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
846 				spin_unlock_irq(shost->host_lock);
847 			}
848 			else
849 				lpfc_els_flush_rscn(vport);
850 		}
851 		lpfc_disc_start(vport);
852 	}
853 	lpfc_ct_free_iocb(phba, cmdiocb);
854 	return;
855 }
856 
857 
858 static void
859 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
860 	     struct lpfc_iocbq *rspiocb)
861 {
862 	struct lpfc_vport *vport = cmdiocb->vport;
863 	struct lpfc_dmabuf *inp;
864 	struct lpfc_dmabuf *outp;
865 	IOCB_t *irsp;
866 	struct lpfc_sli_ct_request *CTrsp;
867 	struct lpfc_nodelist *ndlp;
868 	int cmdcode, rc;
869 	uint8_t retry;
870 	uint32_t latt;
871 
872 	/* First save ndlp, before we overwrite it */
873 	ndlp = cmdiocb->context_un.ndlp;
874 
875 	/* we pass cmdiocb to state machine which needs rspiocb as well */
876 	cmdiocb->context_un.rsp_iocb = rspiocb;
877 
878 	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
879 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
880 	irsp = &rspiocb->iocb;
881 
882 	cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
883 					CommandResponse.bits.CmdRsp);
884 	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
885 
886 	latt = lpfc_els_chk_latt(vport);
887 
888 	/* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
889 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
890 			 "0209 CT Request completes, latt %d, "
891 			 "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
892 			 latt, irsp->ulpStatus,
893 			 CTrsp->CommandResponse.bits.CmdRsp,
894 			 cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
895 
896 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
897 		"CT cmd cmpl:     status:x%x/x%x cmd:x%x",
898 		irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
899 
900 	if (irsp->ulpStatus) {
901 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
902 				 "0268 NS cmd %x Error (%d %d)\n",
903 				 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
904 
905 		if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
906 			((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) ||
907 			 (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED)))
908 			goto out;
909 
910 		retry = cmdiocb->retry;
911 		if (retry >= LPFC_MAX_NS_RETRY)
912 			goto out;
913 
914 		retry++;
915 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
916 				 "0250 Retrying NS cmd %x\n", cmdcode);
917 		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
918 		if (rc == 0)
919 			goto out;
920 	}
921 
922 out:
923 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
924 	lpfc_ct_free_iocb(phba, cmdiocb);
925 	return;
926 }
927 
928 static void
929 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
930 			struct lpfc_iocbq *rspiocb)
931 {
932 	IOCB_t *irsp = &rspiocb->iocb;
933 	struct lpfc_vport *vport = cmdiocb->vport;
934 
935 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
936 		struct lpfc_dmabuf *outp;
937 		struct lpfc_sli_ct_request *CTrsp;
938 
939 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
940 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
941 		if (CTrsp->CommandResponse.bits.CmdRsp ==
942 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
943 			vport->ct_flags |= FC_CT_RFT_ID;
944 	}
945 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
946 	return;
947 }
948 
949 static void
950 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
951 			struct lpfc_iocbq *rspiocb)
952 {
953 	IOCB_t *irsp = &rspiocb->iocb;
954 	struct lpfc_vport *vport = cmdiocb->vport;
955 
956 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
957 		struct lpfc_dmabuf *outp;
958 		struct lpfc_sli_ct_request *CTrsp;
959 
960 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
961 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
962 		if (CTrsp->CommandResponse.bits.CmdRsp ==
963 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
964 			vport->ct_flags |= FC_CT_RNN_ID;
965 	}
966 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
967 	return;
968 }
969 
970 static void
971 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
972 			 struct lpfc_iocbq *rspiocb)
973 {
974 	IOCB_t *irsp = &rspiocb->iocb;
975 	struct lpfc_vport *vport = cmdiocb->vport;
976 
977 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
978 		struct lpfc_dmabuf *outp;
979 		struct lpfc_sli_ct_request *CTrsp;
980 
981 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
982 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
983 		if (CTrsp->CommandResponse.bits.CmdRsp ==
984 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
985 			vport->ct_flags |= FC_CT_RSPN_ID;
986 	}
987 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
988 	return;
989 }
990 
991 static void
992 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
993 			 struct lpfc_iocbq *rspiocb)
994 {
995 	IOCB_t *irsp = &rspiocb->iocb;
996 	struct lpfc_vport *vport = cmdiocb->vport;
997 
998 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
999 		struct lpfc_dmabuf *outp;
1000 		struct lpfc_sli_ct_request *CTrsp;
1001 
1002 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1003 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1004 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1005 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1006 			vport->ct_flags |= FC_CT_RSNN_NN;
1007 	}
1008 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1009 	return;
1010 }
1011 
1012 static void
1013 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1014  struct lpfc_iocbq *rspiocb)
1015 {
1016 	struct lpfc_vport *vport = cmdiocb->vport;
1017 
1018 	/* even if it fails we will act as though it succeeded. */
1019 	vport->ct_flags = 0;
1020 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1021 	return;
1022 }
1023 
1024 static void
1025 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1026 			struct lpfc_iocbq *rspiocb)
1027 {
1028 	IOCB_t *irsp = &rspiocb->iocb;
1029 	struct lpfc_vport *vport = cmdiocb->vport;
1030 
1031 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1032 		struct lpfc_dmabuf *outp;
1033 		struct lpfc_sli_ct_request *CTrsp;
1034 
1035 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1036 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1037 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1038 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1039 			vport->ct_flags |= FC_CT_RFF_ID;
1040 	}
1041 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1042 	return;
1043 }
1044 
1045 int
1046 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1047 	size_t size)
1048 {
1049 	int n;
1050 	uint8_t *wwn = vport->phba->wwpn;
1051 
1052 	n = snprintf(symbol, size,
1053 		     "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
1054 		     wwn[0], wwn[1], wwn[2], wwn[3],
1055 		     wwn[4], wwn[5], wwn[6], wwn[7]);
1056 
1057 	if (vport->port_type == LPFC_PHYSICAL_PORT)
1058 		return n;
1059 
1060 	if (n < size)
1061 		n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
1062 
1063 	if (n < size &&
1064 	    strlen(vport->fc_vport->symbolic_name))
1065 		n += snprintf(symbol + n, size - n, " VName-%s",
1066 			      vport->fc_vport->symbolic_name);
1067 	return n;
1068 }
1069 
1070 int
1071 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1072 	size_t size)
1073 {
1074 	char fwrev[16];
1075 	int n;
1076 
1077 	lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1078 
1079 	n = snprintf(symbol, size, "Emulex %s FV%s DV%s",
1080 		vport->phba->ModelName, fwrev, lpfc_release_version);
1081 	return n;
1082 }
1083 
1084 /*
1085  * lpfc_ns_cmd
1086  * Description:
1087  *    Issue Cmd to NameServer
1088  *       SLI_CTNS_GID_FT
1089  *       LI_CTNS_RFT_ID
1090  */
1091 int
1092 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1093 	    uint8_t retry, uint32_t context)
1094 {
1095 	struct lpfc_nodelist * ndlp;
1096 	struct lpfc_hba *phba = vport->phba;
1097 	struct lpfc_dmabuf *mp, *bmp;
1098 	struct lpfc_sli_ct_request *CtReq;
1099 	struct ulp_bde64 *bpl;
1100 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1101 		      struct lpfc_iocbq *) = NULL;
1102 	uint32_t rsp_size = 1024;
1103 	size_t   size;
1104 	int rc = 0;
1105 
1106 	ndlp = lpfc_findnode_did(vport, NameServer_DID);
1107 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1108 	    || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1109 		rc=1;
1110 		goto ns_cmd_exit;
1111 	}
1112 
1113 	/* fill in BDEs for command */
1114 	/* Allocate buffer for command payload */
1115 	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1116 	if (!mp) {
1117 		rc=2;
1118 		goto ns_cmd_exit;
1119 	}
1120 
1121 	INIT_LIST_HEAD(&mp->list);
1122 	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1123 	if (!mp->virt) {
1124 		rc=3;
1125 		goto ns_cmd_free_mp;
1126 	}
1127 
1128 	/* Allocate buffer for Buffer ptr list */
1129 	bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1130 	if (!bmp) {
1131 		rc=4;
1132 		goto ns_cmd_free_mpvirt;
1133 	}
1134 
1135 	INIT_LIST_HEAD(&bmp->list);
1136 	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1137 	if (!bmp->virt) {
1138 		rc=5;
1139 		goto ns_cmd_free_bmp;
1140 	}
1141 
1142 	/* NameServer Req */
1143 	lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1144 			 "0236 NameServer Req Data: x%x x%x x%x\n",
1145 			 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
1146 
1147 	bpl = (struct ulp_bde64 *) bmp->virt;
1148 	memset(bpl, 0, sizeof(struct ulp_bde64));
1149 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1150 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1151 	bpl->tus.f.bdeFlags = 0;
1152 	if (cmdcode == SLI_CTNS_GID_FT)
1153 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1154 	else if (cmdcode == SLI_CTNS_GFF_ID)
1155 		bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1156 	else if (cmdcode == SLI_CTNS_RFT_ID)
1157 		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1158 	else if (cmdcode == SLI_CTNS_RNN_ID)
1159 		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1160 	else if (cmdcode == SLI_CTNS_RSPN_ID)
1161 		bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1162 	else if (cmdcode == SLI_CTNS_RSNN_NN)
1163 		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1164 	else if (cmdcode == SLI_CTNS_DA_ID)
1165 		bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1166 	else if (cmdcode == SLI_CTNS_RFF_ID)
1167 		bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1168 	else
1169 		bpl->tus.f.bdeSize = 0;
1170 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1171 
1172 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1173 	memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
1174 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1175 	CtReq->RevisionId.bits.InId = 0;
1176 	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1177 	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1178 	CtReq->CommandResponse.bits.Size = 0;
1179 	switch (cmdcode) {
1180 	case SLI_CTNS_GID_FT:
1181 		CtReq->CommandResponse.bits.CmdRsp =
1182 		    be16_to_cpu(SLI_CTNS_GID_FT);
1183 		CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
1184 		if (vport->port_state < LPFC_NS_QRY)
1185 			vport->port_state = LPFC_NS_QRY;
1186 		lpfc_set_disctmo(vport);
1187 		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1188 		rsp_size = FC_MAX_NS_RSP;
1189 		break;
1190 
1191 	case SLI_CTNS_GFF_ID:
1192 		CtReq->CommandResponse.bits.CmdRsp =
1193 			be16_to_cpu(SLI_CTNS_GFF_ID);
1194 		CtReq->un.gff.PortId = cpu_to_be32(context);
1195 		cmpl = lpfc_cmpl_ct_cmd_gff_id;
1196 		break;
1197 
1198 	case SLI_CTNS_RFT_ID:
1199 		vport->ct_flags &= ~FC_CT_RFT_ID;
1200 		CtReq->CommandResponse.bits.CmdRsp =
1201 		    be16_to_cpu(SLI_CTNS_RFT_ID);
1202 		CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1203 		CtReq->un.rft.fcpReg = 1;
1204 		cmpl = lpfc_cmpl_ct_cmd_rft_id;
1205 		break;
1206 
1207 	case SLI_CTNS_RNN_ID:
1208 		vport->ct_flags &= ~FC_CT_RNN_ID;
1209 		CtReq->CommandResponse.bits.CmdRsp =
1210 		    be16_to_cpu(SLI_CTNS_RNN_ID);
1211 		CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1212 		memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1213 		       sizeof (struct lpfc_name));
1214 		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1215 		break;
1216 
1217 	case SLI_CTNS_RSPN_ID:
1218 		vport->ct_flags &= ~FC_CT_RSPN_ID;
1219 		CtReq->CommandResponse.bits.CmdRsp =
1220 		    be16_to_cpu(SLI_CTNS_RSPN_ID);
1221 		CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1222 		size = sizeof(CtReq->un.rspn.symbname);
1223 		CtReq->un.rspn.len =
1224 			lpfc_vport_symbolic_port_name(vport,
1225 			CtReq->un.rspn.symbname, size);
1226 		cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1227 		break;
1228 	case SLI_CTNS_RSNN_NN:
1229 		vport->ct_flags &= ~FC_CT_RSNN_NN;
1230 		CtReq->CommandResponse.bits.CmdRsp =
1231 		    be16_to_cpu(SLI_CTNS_RSNN_NN);
1232 		memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1233 		       sizeof (struct lpfc_name));
1234 		size = sizeof(CtReq->un.rsnn.symbname);
1235 		CtReq->un.rsnn.len =
1236 			lpfc_vport_symbolic_node_name(vport,
1237 			CtReq->un.rsnn.symbname, size);
1238 		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1239 		break;
1240 	case SLI_CTNS_DA_ID:
1241 		/* Implement DA_ID Nameserver request */
1242 		CtReq->CommandResponse.bits.CmdRsp =
1243 			be16_to_cpu(SLI_CTNS_DA_ID);
1244 		CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1245 		cmpl = lpfc_cmpl_ct_cmd_da_id;
1246 		break;
1247 	case SLI_CTNS_RFF_ID:
1248 		vport->ct_flags &= ~FC_CT_RFF_ID;
1249 		CtReq->CommandResponse.bits.CmdRsp =
1250 		    be16_to_cpu(SLI_CTNS_RFF_ID);
1251 		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1252 		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1253 		CtReq->un.rff.type_code = FC_TYPE_FCP;
1254 		cmpl = lpfc_cmpl_ct_cmd_rff_id;
1255 		break;
1256 	}
1257 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1258 	 * to hold ndlp reference for the corresponding callback function.
1259 	 */
1260 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1261 		/* On success, The cmpl function will free the buffers */
1262 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1263 			"Issue CT cmd:    cmd:x%x did:x%x",
1264 			cmdcode, ndlp->nlp_DID, 0);
1265 		return 0;
1266 	}
1267 	rc=6;
1268 
1269 	/* Decrement ndlp reference count to release ndlp reference held
1270 	 * for the failed command's callback function.
1271 	 */
1272 	lpfc_nlp_put(ndlp);
1273 
1274 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1275 ns_cmd_free_bmp:
1276 	kfree(bmp);
1277 ns_cmd_free_mpvirt:
1278 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
1279 ns_cmd_free_mp:
1280 	kfree(mp);
1281 ns_cmd_exit:
1282 	lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1283 			 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1284 			 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1285 	return 1;
1286 }
1287 
1288 static void
1289 lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1290 		      struct lpfc_iocbq * rspiocb)
1291 {
1292 	struct lpfc_dmabuf *inp = cmdiocb->context1;
1293 	struct lpfc_dmabuf *outp = cmdiocb->context2;
1294 	struct lpfc_sli_ct_request *CTrsp = outp->virt;
1295 	struct lpfc_sli_ct_request *CTcmd = inp->virt;
1296 	struct lpfc_nodelist *ndlp;
1297 	uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1298 	uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1299 	struct lpfc_vport *vport = cmdiocb->vport;
1300 	IOCB_t *irsp = &rspiocb->iocb;
1301 	uint32_t latt;
1302 
1303 	latt = lpfc_els_chk_latt(vport);
1304 
1305 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1306 		"FDMI cmpl:       status:x%x/x%x latt:%d",
1307 		irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1308 
1309 	if (latt || irsp->ulpStatus) {
1310 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1311 				 "0229 FDMI cmd %04x failed, latt = %d "
1312 				 "ulpStatus: x%x, rid x%x\n",
1313 				 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1314 				 irsp->un.ulpWord[4]);
1315 		lpfc_ct_free_iocb(phba, cmdiocb);
1316 		return;
1317 	}
1318 
1319 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1320 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1321 		goto fail_out;
1322 
1323 	if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1324 		/* FDMI rsp failed */
1325 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1326 				 "0220 FDMI rsp failed Data: x%x\n",
1327 				 be16_to_cpu(fdmi_cmd));
1328 	}
1329 
1330 	switch (be16_to_cpu(fdmi_cmd)) {
1331 	case SLI_MGMT_RHBA:
1332 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA);
1333 		break;
1334 
1335 	case SLI_MGMT_RPA:
1336 		break;
1337 
1338 	case SLI_MGMT_DHBA:
1339 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT);
1340 		break;
1341 
1342 	case SLI_MGMT_DPRT:
1343 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
1344 		break;
1345 	}
1346 
1347 fail_out:
1348 	lpfc_ct_free_iocb(phba, cmdiocb);
1349 	return;
1350 }
1351 
1352 int
1353 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
1354 {
1355 	struct lpfc_hba *phba = vport->phba;
1356 	struct lpfc_dmabuf *mp, *bmp;
1357 	struct lpfc_sli_ct_request *CtReq;
1358 	struct ulp_bde64 *bpl;
1359 	uint32_t size;
1360 	REG_HBA *rh;
1361 	PORT_ENTRY *pe;
1362 	REG_PORT_ATTRIBUTE *pab;
1363 	ATTRIBUTE_BLOCK *ab;
1364 	ATTRIBUTE_ENTRY *ae;
1365 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1366 		      struct lpfc_iocbq *);
1367 
1368 
1369 	/* fill in BDEs for command */
1370 	/* Allocate buffer for command payload */
1371 	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1372 	if (!mp)
1373 		goto fdmi_cmd_exit;
1374 
1375 	mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
1376 	if (!mp->virt)
1377 		goto fdmi_cmd_free_mp;
1378 
1379 	/* Allocate buffer for Buffer ptr list */
1380 	bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1381 	if (!bmp)
1382 		goto fdmi_cmd_free_mpvirt;
1383 
1384 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
1385 	if (!bmp->virt)
1386 		goto fdmi_cmd_free_bmp;
1387 
1388 	INIT_LIST_HEAD(&mp->list);
1389 	INIT_LIST_HEAD(&bmp->list);
1390 
1391 	/* FDMI request */
1392 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1393 			 "0218 FDMI Request Data: x%x x%x x%x\n",
1394 			 vport->fc_flag, vport->port_state, cmdcode);
1395 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1396 
1397 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1398 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1399 	CtReq->RevisionId.bits.InId = 0;
1400 
1401 	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
1402 	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
1403 	size = 0;
1404 
1405 	switch (cmdcode) {
1406 	case SLI_MGMT_RHBA:
1407 		{
1408 			lpfc_vpd_t *vp = &phba->vpd;
1409 			uint32_t i, j, incr;
1410 			int len;
1411 
1412 			CtReq->CommandResponse.bits.CmdRsp =
1413 			    be16_to_cpu(SLI_MGMT_RHBA);
1414 			CtReq->CommandResponse.bits.Size = 0;
1415 			rh = (REG_HBA *) & CtReq->un.PortID;
1416 			memcpy(&rh->hi.PortName, &vport->fc_sparam.portName,
1417 			       sizeof (struct lpfc_name));
1418 			/* One entry (port) per adapter */
1419 			rh->rpl.EntryCnt = be32_to_cpu(1);
1420 			memcpy(&rh->rpl.pe, &vport->fc_sparam.portName,
1421 			       sizeof (struct lpfc_name));
1422 
1423 			/* point to the HBA attribute block */
1424 			size = 2 * sizeof (struct lpfc_name) + FOURBYTES;
1425 			ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size);
1426 			ab->EntryCnt = 0;
1427 
1428 			/* Point to the beginning of the first HBA attribute
1429 			   entry */
1430 			/* #1 HBA attribute entry */
1431 			size += FOURBYTES;
1432 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1433 			ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME);
1434 			ae->ad.bits.AttrLen =  be16_to_cpu(FOURBYTES
1435 						+ sizeof (struct lpfc_name));
1436 			memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1437 			       sizeof (struct lpfc_name));
1438 			ab->EntryCnt++;
1439 			size += FOURBYTES + sizeof (struct lpfc_name);
1440 
1441 			/* #2 HBA attribute entry */
1442 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1443 			ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER);
1444 			strcpy(ae->un.Manufacturer, "Emulex Corporation");
1445 			len = strlen(ae->un.Manufacturer);
1446 			len += (len & 3) ? (4 - (len & 3)) : 4;
1447 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1448 			ab->EntryCnt++;
1449 			size += FOURBYTES + len;
1450 
1451 			/* #3 HBA attribute entry */
1452 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1453 			ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER);
1454 			strcpy(ae->un.SerialNumber, phba->SerialNumber);
1455 			len = strlen(ae->un.SerialNumber);
1456 			len += (len & 3) ? (4 - (len & 3)) : 4;
1457 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1458 			ab->EntryCnt++;
1459 			size += FOURBYTES + len;
1460 
1461 			/* #4 HBA attribute entry */
1462 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1463 			ae->ad.bits.AttrType = be16_to_cpu(MODEL);
1464 			strcpy(ae->un.Model, phba->ModelName);
1465 			len = strlen(ae->un.Model);
1466 			len += (len & 3) ? (4 - (len & 3)) : 4;
1467 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1468 			ab->EntryCnt++;
1469 			size += FOURBYTES + len;
1470 
1471 			/* #5 HBA attribute entry */
1472 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1473 			ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION);
1474 			strcpy(ae->un.ModelDescription, phba->ModelDesc);
1475 			len = strlen(ae->un.ModelDescription);
1476 			len += (len & 3) ? (4 - (len & 3)) : 4;
1477 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1478 			ab->EntryCnt++;
1479 			size += FOURBYTES + len;
1480 
1481 			/* #6 HBA attribute entry */
1482 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1483 			ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION);
1484 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8);
1485 			/* Convert JEDEC ID to ascii for hardware version */
1486 			incr = vp->rev.biuRev;
1487 			for (i = 0; i < 8; i++) {
1488 				j = (incr & 0xf);
1489 				if (j <= 9)
1490 					ae->un.HardwareVersion[7 - i] =
1491 					    (char)((uint8_t) 0x30 +
1492 						   (uint8_t) j);
1493 				else
1494 					ae->un.HardwareVersion[7 - i] =
1495 					    (char)((uint8_t) 0x61 +
1496 						   (uint8_t) (j - 10));
1497 				incr = (incr >> 4);
1498 			}
1499 			ab->EntryCnt++;
1500 			size += FOURBYTES + 8;
1501 
1502 			/* #7 HBA attribute entry */
1503 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1504 			ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION);
1505 			strcpy(ae->un.DriverVersion, lpfc_release_version);
1506 			len = strlen(ae->un.DriverVersion);
1507 			len += (len & 3) ? (4 - (len & 3)) : 4;
1508 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1509 			ab->EntryCnt++;
1510 			size += FOURBYTES + len;
1511 
1512 			/* #8 HBA attribute entry */
1513 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1514 			ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION);
1515 			strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion);
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_10Gb)
1594 				ae->un.SupportSpeed = HBA_PORTSPEED_10GBIT;
1595 			if (phba->lmt & LMT_8Gb)
1596 				ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT;
1597 			if (phba->lmt & LMT_4Gb)
1598 				ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT;
1599 			if (phba->lmt & LMT_2Gb)
1600 				ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT;
1601 			if (phba->lmt & LMT_1Gb)
1602 				ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT;
1603 
1604 			pab->ab.EntryCnt++;
1605 			size += FOURBYTES + 4;
1606 
1607 			/* #3 Port attribute entry */
1608 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1609 			ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED);
1610 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1611 			switch(phba->fc_linkspeed) {
1612 				case LA_1GHZ_LINK:
1613 					ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
1614 				break;
1615 				case LA_2GHZ_LINK:
1616 					ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
1617 				break;
1618 				case LA_4GHZ_LINK:
1619 					ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
1620 				break;
1621 				case LA_8GHZ_LINK:
1622 					ae->un.PortSpeed = HBA_PORTSPEED_8GBIT;
1623 				break;
1624 				case LA_10GHZ_LINK:
1625 					ae->un.PortSpeed = HBA_PORTSPEED_10GBIT;
1626 				break;
1627 				default:
1628 					ae->un.PortSpeed =
1629 						HBA_PORTSPEED_UNKNOWN;
1630 				break;
1631 			}
1632 			pab->ab.EntryCnt++;
1633 			size += FOURBYTES + 4;
1634 
1635 			/* #4 Port attribute entry */
1636 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1637 			ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE);
1638 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1639 			hsp = (struct serv_parm *) & vport->fc_sparam;
1640 			ae->un.MaxFrameSize =
1641 			    (((uint32_t) hsp->cmn.
1642 			      bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn.
1643 			    bbRcvSizeLsb;
1644 			pab->ab.EntryCnt++;
1645 			size += FOURBYTES + 4;
1646 
1647 			/* #5 Port attribute entry */
1648 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1649 			ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME);
1650 			strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME);
1651 			len = strlen((char *)ae->un.OsDeviceName);
1652 			len += (len & 3) ? (4 - (len & 3)) : 4;
1653 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1654 			pab->ab.EntryCnt++;
1655 			size += FOURBYTES + len;
1656 
1657 			if (vport->cfg_fdmi_on == 2) {
1658 				/* #6 Port attribute entry */
1659 				ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab +
1660 							  size);
1661 				ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME);
1662 				sprintf(ae->un.HostName, "%s",
1663 					init_utsname()->nodename);
1664 				len = strlen(ae->un.HostName);
1665 				len += (len & 3) ? (4 - (len & 3)) : 4;
1666 				ae->ad.bits.AttrLen =
1667 				    be16_to_cpu(FOURBYTES + len);
1668 				pab->ab.EntryCnt++;
1669 				size += FOURBYTES + len;
1670 			}
1671 
1672 			pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt);
1673 			/* Total size */
1674 			size = GID_REQUEST_SZ - 4 + size;
1675 		}
1676 		break;
1677 
1678 	case SLI_MGMT_DHBA:
1679 		CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA);
1680 		CtReq->CommandResponse.bits.Size = 0;
1681 		pe = (PORT_ENTRY *) & CtReq->un.PortID;
1682 		memcpy((uint8_t *) & pe->PortName,
1683 		       (uint8_t *) & vport->fc_sparam.portName,
1684 		       sizeof (struct lpfc_name));
1685 		size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1686 		break;
1687 
1688 	case SLI_MGMT_DPRT:
1689 		CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT);
1690 		CtReq->CommandResponse.bits.Size = 0;
1691 		pe = (PORT_ENTRY *) & CtReq->un.PortID;
1692 		memcpy((uint8_t *) & pe->PortName,
1693 		       (uint8_t *) & vport->fc_sparam.portName,
1694 		       sizeof (struct lpfc_name));
1695 		size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1696 		break;
1697 	}
1698 
1699 	bpl = (struct ulp_bde64 *) bmp->virt;
1700 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1701 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1702 	bpl->tus.f.bdeFlags = 0;
1703 	bpl->tus.f.bdeSize = size;
1704 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1705 
1706 	cmpl = lpfc_cmpl_ct_cmd_fdmi;
1707 
1708 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1709 	 * to hold ndlp reference for the corresponding callback function.
1710 	 */
1711 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0))
1712 		return 0;
1713 
1714 	/* Decrement ndlp reference count to release ndlp reference held
1715 	 * for the failed command's callback function.
1716 	 */
1717 	lpfc_nlp_put(ndlp);
1718 
1719 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1720 fdmi_cmd_free_bmp:
1721 	kfree(bmp);
1722 fdmi_cmd_free_mpvirt:
1723 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
1724 fdmi_cmd_free_mp:
1725 	kfree(mp);
1726 fdmi_cmd_exit:
1727 	/* Issue FDMI request failed */
1728 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1729 			 "0244 Issue FDMI request failed Data: x%x\n",
1730 			 cmdcode);
1731 	return 1;
1732 }
1733 
1734 void
1735 lpfc_fdmi_tmo(unsigned long ptr)
1736 {
1737 	struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
1738 	struct lpfc_hba   *phba = vport->phba;
1739 	uint32_t tmo_posted;
1740 	unsigned long iflag;
1741 
1742 	spin_lock_irqsave(&vport->work_port_lock, iflag);
1743 	tmo_posted = vport->work_port_events & WORKER_FDMI_TMO;
1744 	if (!tmo_posted)
1745 		vport->work_port_events |= WORKER_FDMI_TMO;
1746 	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1747 
1748 	if (!tmo_posted)
1749 		lpfc_worker_wake_up(phba);
1750 	return;
1751 }
1752 
1753 void
1754 lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
1755 {
1756 	struct lpfc_nodelist *ndlp;
1757 
1758 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1759 	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1760 		if (init_utsname()->nodename[0] != '\0')
1761 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
1762 		else
1763 			mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60);
1764 	}
1765 	return;
1766 }
1767 
1768 void
1769 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
1770 {
1771 	struct lpfc_sli *psli = &phba->sli;
1772 	lpfc_vpd_t *vp = &phba->vpd;
1773 	uint32_t b1, b2, b3, b4, i, rev;
1774 	char c;
1775 	uint32_t *ptr, str[4];
1776 	uint8_t *fwname;
1777 
1778 	if (phba->sli_rev == LPFC_SLI_REV4)
1779 		sprintf(fwrevision, "%s", vp->rev.opFwName);
1780 	else if (vp->rev.rBit) {
1781 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
1782 			rev = vp->rev.sli2FwRev;
1783 		else
1784 			rev = vp->rev.sli1FwRev;
1785 
1786 		b1 = (rev & 0x0000f000) >> 12;
1787 		b2 = (rev & 0x00000f00) >> 8;
1788 		b3 = (rev & 0x000000c0) >> 6;
1789 		b4 = (rev & 0x00000030) >> 4;
1790 
1791 		switch (b4) {
1792 		case 0:
1793 			c = 'N';
1794 			break;
1795 		case 1:
1796 			c = 'A';
1797 			break;
1798 		case 2:
1799 			c = 'B';
1800 			break;
1801 		default:
1802 			c = 0;
1803 			break;
1804 		}
1805 		b4 = (rev & 0x0000000f);
1806 
1807 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
1808 			fwname = vp->rev.sli2FwName;
1809 		else
1810 			fwname = vp->rev.sli1FwName;
1811 
1812 		for (i = 0; i < 16; i++)
1813 			if (fwname[i] == 0x20)
1814 				fwname[i] = 0;
1815 
1816 		ptr = (uint32_t*)fwname;
1817 
1818 		for (i = 0; i < 3; i++)
1819 			str[i] = be32_to_cpu(*ptr++);
1820 
1821 		if (c == 0) {
1822 			if (flag)
1823 				sprintf(fwrevision, "%d.%d%d (%s)",
1824 					b1, b2, b3, (char *)str);
1825 			else
1826 				sprintf(fwrevision, "%d.%d%d", b1,
1827 					b2, b3);
1828 		} else {
1829 			if (flag)
1830 				sprintf(fwrevision, "%d.%d%d%c%d (%s)",
1831 					b1, b2, b3, c,
1832 					b4, (char *)str);
1833 			else
1834 				sprintf(fwrevision, "%d.%d%d%c%d",
1835 					b1, b2, b3, c, b4);
1836 		}
1837 	} else {
1838 		rev = vp->rev.smFwRev;
1839 
1840 		b1 = (rev & 0xff000000) >> 24;
1841 		b2 = (rev & 0x00f00000) >> 20;
1842 		b3 = (rev & 0x000f0000) >> 16;
1843 		c  = (rev & 0x0000ff00) >> 8;
1844 		b4 = (rev & 0x000000ff);
1845 
1846 		if (flag)
1847 			sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1848 				b2, b3, c, b4);
1849 		else
1850 			sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1851 				b2, b3, c, b4);
1852 	}
1853 	return;
1854 }
1855