xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_ct.c (revision 98ddec80)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term *
5  * “Broadcom” refers to Broadcom Limited and/or its subsidiaries.  *
6  * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
7  * EMULEX and SLI are trademarks of Emulex.                        *
8  * www.broadcom.com                                                *
9  *                                                                 *
10  * This program is free software; you can redistribute it and/or   *
11  * modify it under the terms of version 2 of the GNU General       *
12  * Public License as published by the Free Software Foundation.    *
13  * This program is distributed in the hope that it will be useful. *
14  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
15  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
16  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
17  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
18  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
19  * more details, a copy of which can be found in the file COPYING  *
20  * included with this package.                                     *
21  *******************************************************************/
22 
23 /*
24  * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
25  */
26 
27 #include <linux/blkdev.h>
28 #include <linux/pci.h>
29 #include <linux/interrupt.h>
30 #include <linux/slab.h>
31 #include <linux/utsname.h>
32 
33 #include <scsi/scsi.h>
34 #include <scsi/scsi_device.h>
35 #include <scsi/scsi_host.h>
36 #include <scsi/scsi_transport_fc.h>
37 #include <scsi/fc/fc_fs.h>
38 
39 #include "lpfc_hw4.h"
40 #include "lpfc_hw.h"
41 #include "lpfc_sli.h"
42 #include "lpfc_sli4.h"
43 #include "lpfc_nl.h"
44 #include "lpfc_disc.h"
45 #include "lpfc.h"
46 #include "lpfc_scsi.h"
47 #include "lpfc_nvme.h"
48 #include "lpfc_logmsg.h"
49 #include "lpfc_crtn.h"
50 #include "lpfc_version.h"
51 #include "lpfc_vport.h"
52 #include "lpfc_debugfs.h"
53 
54 /* FDMI Port Speed definitions - FC-GS-7 */
55 #define HBA_PORTSPEED_1GFC		0x00000001	/* 1G FC */
56 #define HBA_PORTSPEED_2GFC		0x00000002	/* 2G FC */
57 #define HBA_PORTSPEED_4GFC		0x00000008	/* 4G FC */
58 #define HBA_PORTSPEED_10GFC		0x00000004	/* 10G FC */
59 #define HBA_PORTSPEED_8GFC		0x00000010	/* 8G FC */
60 #define HBA_PORTSPEED_16GFC		0x00000020	/* 16G FC */
61 #define HBA_PORTSPEED_32GFC		0x00000040	/* 32G FC */
62 #define HBA_PORTSPEED_20GFC		0x00000080	/* 20G FC */
63 #define HBA_PORTSPEED_40GFC		0x00000100	/* 40G FC */
64 #define HBA_PORTSPEED_128GFC		0x00000200	/* 128G FC */
65 #define HBA_PORTSPEED_64GFC		0x00000400	/* 64G FC */
66 #define HBA_PORTSPEED_256GFC		0x00000800	/* 256G FC */
67 #define HBA_PORTSPEED_UNKNOWN		0x00008000	/* Unknown */
68 #define HBA_PORTSPEED_10GE		0x00010000	/* 10G E */
69 #define HBA_PORTSPEED_40GE		0x00020000	/* 40G E */
70 #define HBA_PORTSPEED_100GE		0x00040000	/* 100G E */
71 #define HBA_PORTSPEED_25GE		0x00080000	/* 25G E */
72 #define HBA_PORTSPEED_50GE		0x00100000	/* 50G E */
73 #define HBA_PORTSPEED_400GE		0x00200000	/* 400G E */
74 
75 #define FOURBYTES	4
76 
77 
78 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
79 
80 static void
81 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
82 			  struct lpfc_dmabuf *mp, uint32_t size)
83 {
84 	if (!mp) {
85 		lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
86 				"0146 Ignoring unsolicited CT No HBQ "
87 				"status = x%x\n",
88 				piocbq->iocb.ulpStatus);
89 	}
90 	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
91 			"0145 Ignoring unsolicted CT HBQ Size:%d "
92 			"status = x%x\n",
93 			size, piocbq->iocb.ulpStatus);
94 }
95 
96 static void
97 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
98 		     struct lpfc_dmabuf *mp, uint32_t size)
99 {
100 	lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
101 }
102 
103 void
104 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
105 		    struct lpfc_iocbq *piocbq)
106 {
107 	struct lpfc_dmabuf *mp = NULL;
108 	IOCB_t *icmd = &piocbq->iocb;
109 	int i;
110 	struct lpfc_iocbq *iocbq;
111 	dma_addr_t paddr;
112 	uint32_t size;
113 	struct list_head head;
114 	struct lpfc_dmabuf *bdeBuf;
115 
116 	if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
117 		return;
118 
119 	if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
120 		lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
121 	} else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
122 		   ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) ==
123 		   IOERR_RCV_BUFFER_WAITING)) {
124 		/* Not enough posted buffers; Try posting more buffers */
125 		phba->fc_stat.NoRcvBuf++;
126 		if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
127 			lpfc_post_buffer(phba, pring, 2);
128 		return;
129 	}
130 
131 	/* If there are no BDEs associated with this IOCB,
132 	 * there is nothing to do.
133 	 */
134 	if (icmd->ulpBdeCount == 0)
135 		return;
136 
137 	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
138 		INIT_LIST_HEAD(&head);
139 		list_add_tail(&head, &piocbq->list);
140 		list_for_each_entry(iocbq, &head, list) {
141 			icmd = &iocbq->iocb;
142 			if (icmd->ulpBdeCount == 0)
143 				continue;
144 			bdeBuf = iocbq->context2;
145 			iocbq->context2 = NULL;
146 			size  = icmd->un.cont64[0].tus.f.bdeSize;
147 			lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
148 			lpfc_in_buf_free(phba, bdeBuf);
149 			if (icmd->ulpBdeCount == 2) {
150 				bdeBuf = iocbq->context3;
151 				iocbq->context3 = NULL;
152 				size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
153 				lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
154 						     size);
155 				lpfc_in_buf_free(phba, bdeBuf);
156 			}
157 		}
158 		list_del(&head);
159 	} else {
160 		INIT_LIST_HEAD(&head);
161 		list_add_tail(&head, &piocbq->list);
162 		list_for_each_entry(iocbq, &head, list) {
163 			icmd = &iocbq->iocb;
164 			if (icmd->ulpBdeCount == 0)
165 				lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
166 			for (i = 0; i < icmd->ulpBdeCount; i++) {
167 				paddr = getPaddr(icmd->un.cont64[i].addrHigh,
168 						 icmd->un.cont64[i].addrLow);
169 				mp = lpfc_sli_ringpostbuf_get(phba, pring,
170 							      paddr);
171 				size = icmd->un.cont64[i].tus.f.bdeSize;
172 				lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
173 				lpfc_in_buf_free(phba, mp);
174 			}
175 			lpfc_post_buffer(phba, pring, i);
176 		}
177 		list_del(&head);
178 	}
179 }
180 
181 /**
182  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
183  * @phba: Pointer to HBA context object.
184  * @dmabuf: pointer to a dmabuf that describes the FC sequence
185  *
186  * This function serves as the upper level protocol abort handler for CT
187  * protocol.
188  *
189  * Return 1 if abort has been handled, 0 otherwise.
190  **/
191 int
192 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
193 {
194 	int handled;
195 
196 	/* CT upper level goes through BSG */
197 	handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
198 
199 	return handled;
200 }
201 
202 static void
203 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
204 {
205 	struct lpfc_dmabuf *mlast, *next_mlast;
206 
207 	list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
208 		lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
209 		list_del(&mlast->list);
210 		kfree(mlast);
211 	}
212 	lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
213 	kfree(mlist);
214 	return;
215 }
216 
217 static struct lpfc_dmabuf *
218 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
219 		  uint32_t size, int *entries)
220 {
221 	struct lpfc_dmabuf *mlist = NULL;
222 	struct lpfc_dmabuf *mp;
223 	int cnt, i = 0;
224 
225 	/* We get chunks of FCELSSIZE */
226 	cnt = size > FCELSSIZE ? FCELSSIZE: size;
227 
228 	while (size) {
229 		/* Allocate buffer for rsp payload */
230 		mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
231 		if (!mp) {
232 			if (mlist)
233 				lpfc_free_ct_rsp(phba, mlist);
234 			return NULL;
235 		}
236 
237 		INIT_LIST_HEAD(&mp->list);
238 
239 		if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
240 		    cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
241 			mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
242 		else
243 			mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
244 
245 		if (!mp->virt) {
246 			kfree(mp);
247 			if (mlist)
248 				lpfc_free_ct_rsp(phba, mlist);
249 			return NULL;
250 		}
251 
252 		/* Queue it to a linked list */
253 		if (!mlist)
254 			mlist = mp;
255 		else
256 			list_add_tail(&mp->list, &mlist->list);
257 
258 		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
259 		/* build buffer ptr list for IOCB */
260 		bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
261 		bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
262 		bpl->tus.f.bdeSize = (uint16_t) cnt;
263 		bpl->tus.w = le32_to_cpu(bpl->tus.w);
264 		bpl++;
265 
266 		i++;
267 		size -= cnt;
268 	}
269 
270 	*entries = i;
271 	return mlist;
272 }
273 
274 int
275 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
276 {
277 	struct lpfc_dmabuf *buf_ptr;
278 
279 	if (ctiocb->context_un.ndlp) {
280 		lpfc_nlp_put(ctiocb->context_un.ndlp);
281 		ctiocb->context_un.ndlp = NULL;
282 	}
283 	if (ctiocb->context1) {
284 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
285 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
286 		kfree(buf_ptr);
287 		ctiocb->context1 = NULL;
288 	}
289 	if (ctiocb->context2) {
290 		lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
291 		ctiocb->context2 = NULL;
292 	}
293 
294 	if (ctiocb->context3) {
295 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
296 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
297 		kfree(buf_ptr);
298 		ctiocb->context3 = NULL;
299 	}
300 	lpfc_sli_release_iocbq(phba, ctiocb);
301 	return 0;
302 }
303 
304 /**
305  * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
306  * @vport: pointer to a host virtual N_Port data structure.
307  * @bmp: Pointer to BPL for SLI command
308  * @inp: Pointer to data buffer for response data.
309  * @outp: Pointer to data buffer that hold the CT command.
310  * @cmpl: completion routine to call when command completes
311  * @ndlp: Destination NPort nodelist entry
312  *
313  * This function as the final part for issuing a CT command.
314  */
315 static int
316 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
317 	     struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
318 	     void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
319 		     struct lpfc_iocbq *),
320 	     struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
321 	     uint32_t tmo, uint8_t retry)
322 {
323 	struct lpfc_hba  *phba = vport->phba;
324 	IOCB_t *icmd;
325 	struct lpfc_iocbq *geniocb;
326 	int rc;
327 
328 	/* Allocate buffer for  command iocb */
329 	geniocb = lpfc_sli_get_iocbq(phba);
330 
331 	if (geniocb == NULL)
332 		return 1;
333 
334 	icmd = &geniocb->iocb;
335 	icmd->un.genreq64.bdl.ulpIoTag32 = 0;
336 	icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
337 	icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
338 	icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
339 	icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64));
340 
341 	if (usr_flg)
342 		geniocb->context3 = NULL;
343 	else
344 		geniocb->context3 = (uint8_t *) bmp;
345 
346 	/* Save for completion so we can release these resources */
347 	geniocb->context1 = (uint8_t *) inp;
348 	geniocb->context2 = (uint8_t *) outp;
349 	geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
350 
351 	/* Fill in payload, bp points to frame payload */
352 	icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
353 
354 	/* Fill in rest of iocb */
355 	icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
356 	icmd->un.genreq64.w5.hcsw.Dfctl = 0;
357 	icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
358 	icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
359 
360 	if (!tmo) {
361 		 /* FC spec states we need 3 * ratov for CT requests */
362 		tmo = (3 * phba->fc_ratov);
363 	}
364 	icmd->ulpTimeout = tmo;
365 	icmd->ulpBdeCount = 1;
366 	icmd->ulpLe = 1;
367 	icmd->ulpClass = CLASS3;
368 	icmd->ulpContext = ndlp->nlp_rpi;
369 	if (phba->sli_rev == LPFC_SLI_REV4)
370 		icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
371 
372 	if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
373 		/* For GEN_REQUEST64_CR, use the RPI */
374 		icmd->ulpCt_h = 0;
375 		icmd->ulpCt_l = 0;
376 	}
377 
378 	/* Issue GEN REQ IOCB for NPORT <did> */
379 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
380 			 "0119 Issue GEN REQ IOCB to NPORT x%x "
381 			 "Data: x%x x%x\n",
382 			 ndlp->nlp_DID, icmd->ulpIoTag,
383 			 vport->port_state);
384 	geniocb->iocb_cmpl = cmpl;
385 	geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
386 	geniocb->vport = vport;
387 	geniocb->retry = retry;
388 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
389 
390 	if (rc == IOCB_ERROR) {
391 		lpfc_sli_release_iocbq(phba, geniocb);
392 		return 1;
393 	}
394 
395 	return 0;
396 }
397 
398 /**
399  * lpfc_ct_cmd - Build and issue a CT command
400  * @vport: pointer to a host virtual N_Port data structure.
401  * @inmp: Pointer to data buffer for response data.
402  * @bmp: Pointer to BPL for SLI command
403  * @ndlp: Destination NPort nodelist entry
404  * @cmpl: completion routine to call when command completes
405  *
406  * This function is called for issuing a CT command.
407  */
408 static int
409 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
410 	    struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
411 	    void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
412 			  struct lpfc_iocbq *),
413 	    uint32_t rsp_size, uint8_t retry)
414 {
415 	struct lpfc_hba  *phba = vport->phba;
416 	struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
417 	struct lpfc_dmabuf *outmp;
418 	int cnt = 0, status;
419 	int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
420 		CommandResponse.bits.CmdRsp;
421 
422 	bpl++;			/* Skip past ct request */
423 
424 	/* Put buffer(s) for ct rsp in bpl */
425 	outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
426 	if (!outmp)
427 		return -ENOMEM;
428 	/*
429 	 * Form the CT IOCB.  The total number of BDEs in this IOCB
430 	 * is the single command plus response count from
431 	 * lpfc_alloc_ct_rsp.
432 	 */
433 	cnt += 1;
434 	status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
435 			      cnt, 0, retry);
436 	if (status) {
437 		lpfc_free_ct_rsp(phba, outmp);
438 		return -ENOMEM;
439 	}
440 	return 0;
441 }
442 
443 struct lpfc_vport *
444 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
445 	struct lpfc_vport *vport_curr;
446 	unsigned long flags;
447 
448 	spin_lock_irqsave(&phba->hbalock, flags);
449 	list_for_each_entry(vport_curr, &phba->port_list, listentry) {
450 		if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
451 			spin_unlock_irqrestore(&phba->hbalock, flags);
452 			return vport_curr;
453 		}
454 	}
455 	spin_unlock_irqrestore(&phba->hbalock, flags);
456 	return NULL;
457 }
458 
459 static void
460 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
461 {
462 	struct lpfc_nodelist *ndlp;
463 
464 	if ((vport->port_type != LPFC_NPIV_PORT) ||
465 	    !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
466 
467 		ndlp = lpfc_setup_disc_node(vport, Did);
468 
469 		if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
470 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
471 				"Parse GID_FTrsp: did:x%x flg:x%x x%x",
472 				Did, ndlp->nlp_flag, vport->fc_flag);
473 
474 			/* Don't assume the rport is always the previous
475 			 * FC4 type.
476 			 */
477 			ndlp->nlp_fc4_type &= ~(NLP_FC4_FCP | NLP_FC4_NVME);
478 
479 			/* By default, the driver expects to support FCP FC4 */
480 			if (fc4_type == FC_TYPE_FCP)
481 				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
482 
483 			if (fc4_type == FC_TYPE_NVME)
484 				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
485 
486 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
487 					 "0238 Process x%06x NameServer Rsp "
488 					 "Data: x%x x%x x%x x%x\n", Did,
489 					 ndlp->nlp_flag, ndlp->nlp_fc4_type,
490 					 vport->fc_flag,
491 					 vport->fc_rscn_id_cnt);
492 		} else {
493 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
494 				"Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
495 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
496 
497 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
498 					 "0239 Skip x%06x NameServer Rsp "
499 					 "Data: x%x x%x\n", Did,
500 					 vport->fc_flag,
501 					 vport->fc_rscn_id_cnt);
502 		}
503 	} else {
504 		if (!(vport->fc_flag & FC_RSCN_MODE) ||
505 		    lpfc_rscn_payload_check(vport, Did)) {
506 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
507 				"Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
508 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
509 
510 			/*
511 			 * This NPortID was previously a FCP/NVMe target,
512 			 * Don't even bother to send GFF_ID.
513 			 */
514 			ndlp = lpfc_findnode_did(vport, Did);
515 			if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
516 			    (ndlp->nlp_type &
517 			    (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
518 				if (fc4_type == FC_TYPE_FCP)
519 					ndlp->nlp_fc4_type |= NLP_FC4_FCP;
520 				if (fc4_type == FC_TYPE_NVME)
521 					ndlp->nlp_fc4_type |= NLP_FC4_NVME;
522 				lpfc_setup_disc_node(vport, Did);
523 			} else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
524 				   0, Did) == 0)
525 				vport->num_disc_nodes++;
526 			else
527 				lpfc_setup_disc_node(vport, Did);
528 		} else {
529 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
530 				"Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
531 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
532 
533 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
534 					 "0245 Skip x%06x NameServer Rsp "
535 					 "Data: x%x x%x\n", Did,
536 					 vport->fc_flag,
537 					 vport->fc_rscn_id_cnt);
538 		}
539 	}
540 }
541 
542 static void
543 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
544 {
545 	struct lpfc_hba *phba = vport->phba;
546 	struct lpfc_nodelist *ndlp = NULL;
547 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
548 
549 	/*
550 	 * To conserve rpi's, filter out addresses for other
551 	 * vports on the same physical HBAs.
552 	 */
553 	if (Did != vport->fc_myDID &&
554 	    (!lpfc_find_vport_by_did(phba, Did) ||
555 	     vport->cfg_peer_port_login)) {
556 		if (!phba->nvmet_support) {
557 			/* FCPI/NVMEI path. Process Did */
558 			lpfc_prep_node_fc4type(vport, Did, fc4_type);
559 			return;
560 		}
561 		/* NVMET path.  NVMET only cares about NVMEI nodes. */
562 		list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
563 			if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
564 			    ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
565 				continue;
566 			spin_lock_irq(shost->host_lock);
567 			if (ndlp->nlp_DID == Did)
568 				ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
569 			else
570 				ndlp->nlp_flag |= NLP_NVMET_RECOV;
571 			spin_unlock_irq(shost->host_lock);
572 		}
573 	}
574 }
575 
576 static int
577 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
578 	    uint32_t Size)
579 {
580 	struct lpfc_sli_ct_request *Response =
581 		(struct lpfc_sli_ct_request *) mp->virt;
582 	struct lpfc_dmabuf *mlast, *next_mp;
583 	uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
584 	uint32_t Did, CTentry;
585 	int Cnt;
586 	struct list_head head;
587 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
588 	struct lpfc_nodelist *ndlp = NULL;
589 
590 	lpfc_set_disctmo(vport);
591 	vport->num_disc_nodes = 0;
592 	vport->fc_ns_retry = 0;
593 
594 
595 	list_add_tail(&head, &mp->list);
596 	list_for_each_entry_safe(mp, next_mp, &head, list) {
597 		mlast = mp;
598 
599 		Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
600 
601 		Size -= Cnt;
602 
603 		if (!ctptr) {
604 			ctptr = (uint32_t *) mlast->virt;
605 		} else
606 			Cnt -= 16;	/* subtract length of CT header */
607 
608 		/* Loop through entire NameServer list of DIDs */
609 		while (Cnt >= sizeof(uint32_t)) {
610 			/* Get next DID from NameServer List */
611 			CTentry = *ctptr++;
612 			Did = ((be32_to_cpu(CTentry)) & Mask_DID);
613 			lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
614 			if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
615 				goto nsout1;
616 
617 			Cnt -= sizeof(uint32_t);
618 		}
619 		ctptr = NULL;
620 
621 	}
622 
623 	/* All GID_FT entries processed.  If the driver is running in
624 	 * in target mode, put impacted nodes into recovery and drop
625 	 * the RPI to flush outstanding IO.
626 	 */
627 	if (vport->phba->nvmet_support) {
628 		list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
629 			if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
630 				continue;
631 			lpfc_disc_state_machine(vport, ndlp, NULL,
632 						NLP_EVT_DEVICE_RECOVERY);
633 			spin_lock_irq(shost->host_lock);
634 			ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
635 			spin_unlock_irq(shost->host_lock);
636 		}
637 	}
638 
639 nsout1:
640 	list_del(&head);
641 	return 0;
642 }
643 
644 static void
645 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
646 			struct lpfc_iocbq *rspiocb)
647 {
648 	struct lpfc_vport *vport = cmdiocb->vport;
649 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
650 	IOCB_t *irsp;
651 	struct lpfc_dmabuf *outp;
652 	struct lpfc_dmabuf *inp;
653 	struct lpfc_sli_ct_request *CTrsp;
654 	struct lpfc_sli_ct_request *CTreq;
655 	struct lpfc_nodelist *ndlp;
656 	int rc, type;
657 
658 	/* First save ndlp, before we overwrite it */
659 	ndlp = cmdiocb->context_un.ndlp;
660 
661 	/* we pass cmdiocb to state machine which needs rspiocb as well */
662 	cmdiocb->context_un.rsp_iocb = rspiocb;
663 	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
664 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
665 	irsp = &rspiocb->iocb;
666 
667 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
668 		 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
669 		irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
670 
671 	/* Don't bother processing response if vport is being torn down. */
672 	if (vport->load_flag & FC_UNLOADING) {
673 		if (vport->fc_flag & FC_RSCN_MODE)
674 			lpfc_els_flush_rscn(vport);
675 		goto out;
676 	}
677 
678 	if (lpfc_els_chk_latt(vport)) {
679 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
680 				 "0216 Link event during NS query\n");
681 		if (vport->fc_flag & FC_RSCN_MODE)
682 			lpfc_els_flush_rscn(vport);
683 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
684 		goto out;
685 	}
686 	if (lpfc_error_lost_link(irsp)) {
687 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
688 				 "0226 NS query failed due to link event\n");
689 		if (vport->fc_flag & FC_RSCN_MODE)
690 			lpfc_els_flush_rscn(vport);
691 		goto out;
692 	}
693 
694 	spin_lock_irq(shost->host_lock);
695 	if (vport->fc_flag & FC_RSCN_DEFERRED) {
696 		vport->fc_flag &= ~FC_RSCN_DEFERRED;
697 		spin_unlock_irq(shost->host_lock);
698 
699 		/* This is a GID_FT completing so the gidft_inp counter was
700 		 * incremented before the GID_FT was issued to the wire.
701 		 */
702 		vport->gidft_inp--;
703 
704 		/*
705 		 * Skip processing the NS response
706 		 * Re-issue the NS cmd
707 		 */
708 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
709 				 "0151 Process Deferred RSCN Data: x%x x%x\n",
710 				 vport->fc_flag, vport->fc_rscn_id_cnt);
711 		lpfc_els_handle_rscn(vport);
712 
713 		goto out;
714 	}
715 	spin_unlock_irq(shost->host_lock);
716 
717 	if (irsp->ulpStatus) {
718 		/* Check for retry */
719 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
720 			if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
721 			    (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
722 			    IOERR_NO_RESOURCES)
723 				vport->fc_ns_retry++;
724 
725 			type = lpfc_get_gidft_type(vport, cmdiocb);
726 			if (type == 0)
727 				goto out;
728 
729 			/* CT command is being retried */
730 			vport->gidft_inp--;
731 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
732 					 vport->fc_ns_retry, type);
733 			if (rc == 0)
734 				goto out;
735 		}
736 		if (vport->fc_flag & FC_RSCN_MODE)
737 			lpfc_els_flush_rscn(vport);
738 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
739 		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
740 				 "0257 GID_FT Query error: 0x%x 0x%x\n",
741 				 irsp->ulpStatus, vport->fc_ns_retry);
742 	} else {
743 		/* Good status, continue checking */
744 		CTreq = (struct lpfc_sli_ct_request *) inp->virt;
745 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
746 		if (CTrsp->CommandResponse.bits.CmdRsp ==
747 		    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
748 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
749 					 "0208 NameServer Rsp Data: x%x x%x\n",
750 					 vport->fc_flag,
751 					 CTreq->un.gid.Fc4Type);
752 
753 			lpfc_ns_rsp(vport,
754 				    outp,
755 				    CTreq->un.gid.Fc4Type,
756 				    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
757 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
758 			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
759 			/* NameServer Rsp Error */
760 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
761 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
762 				lpfc_printf_vlog(vport, KERN_INFO,
763 					LOG_DISCOVERY,
764 					"0269 No NameServer Entries "
765 					"Data: x%x x%x x%x x%x\n",
766 					CTrsp->CommandResponse.bits.CmdRsp,
767 					(uint32_t) CTrsp->ReasonCode,
768 					(uint32_t) CTrsp->Explanation,
769 					vport->fc_flag);
770 
771 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
772 				"GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
773 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
774 				(uint32_t) CTrsp->ReasonCode,
775 				(uint32_t) CTrsp->Explanation);
776 			} else {
777 				lpfc_printf_vlog(vport, KERN_INFO,
778 					LOG_DISCOVERY,
779 					"0240 NameServer Rsp Error "
780 					"Data: x%x x%x x%x x%x\n",
781 					CTrsp->CommandResponse.bits.CmdRsp,
782 					(uint32_t) CTrsp->ReasonCode,
783 					(uint32_t) CTrsp->Explanation,
784 					vport->fc_flag);
785 
786 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
787 				"GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
788 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
789 				(uint32_t) CTrsp->ReasonCode,
790 				(uint32_t) CTrsp->Explanation);
791 			}
792 
793 
794 		} else {
795 			/* NameServer Rsp Error */
796 			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
797 					"0241 NameServer Rsp Error "
798 					"Data: x%x x%x x%x x%x\n",
799 					CTrsp->CommandResponse.bits.CmdRsp,
800 					(uint32_t) CTrsp->ReasonCode,
801 					(uint32_t) CTrsp->Explanation,
802 					vport->fc_flag);
803 
804 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
805 				"GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
806 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
807 				(uint32_t) CTrsp->ReasonCode,
808 				(uint32_t) CTrsp->Explanation);
809 		}
810 		vport->gidft_inp--;
811 	}
812 	/* Link up / RSCN discovery */
813 	if ((vport->num_disc_nodes == 0) &&
814 	    (vport->gidft_inp == 0)) {
815 		/*
816 		 * The driver has cycled through all Nports in the RSCN payload.
817 		 * Complete the handling by cleaning up and marking the
818 		 * current driver state.
819 		 */
820 		if (vport->port_state >= LPFC_DISC_AUTH) {
821 			if (vport->fc_flag & FC_RSCN_MODE) {
822 				lpfc_els_flush_rscn(vport);
823 				spin_lock_irq(shost->host_lock);
824 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
825 				spin_unlock_irq(shost->host_lock);
826 			}
827 			else
828 				lpfc_els_flush_rscn(vport);
829 		}
830 
831 		lpfc_disc_start(vport);
832 	}
833 out:
834 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
835 	lpfc_ct_free_iocb(phba, cmdiocb);
836 	return;
837 }
838 
839 static void
840 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
841 			struct lpfc_iocbq *rspiocb)
842 {
843 	struct lpfc_vport *vport = cmdiocb->vport;
844 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
845 	IOCB_t *irsp = &rspiocb->iocb;
846 	struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
847 	struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
848 	struct lpfc_sli_ct_request *CTrsp;
849 	int did, rc, retry;
850 	uint8_t fbits;
851 	struct lpfc_nodelist *ndlp;
852 
853 	did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
854 	did = be32_to_cpu(did);
855 
856 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
857 		"GFF_ID cmpl:     status:x%x/x%x did:x%x",
858 		irsp->ulpStatus, irsp->un.ulpWord[4], did);
859 
860 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
861 		/* Good status, continue checking */
862 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
863 		fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
864 
865 		if (CTrsp->CommandResponse.bits.CmdRsp ==
866 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
867 			if ((fbits & FC4_FEATURE_INIT) &&
868 			    !(fbits & FC4_FEATURE_TARGET)) {
869 				lpfc_printf_vlog(vport, KERN_INFO,
870 						 LOG_DISCOVERY,
871 						 "0270 Skip x%x GFF "
872 						 "NameServer Rsp Data: (init) "
873 						 "x%x x%x\n", did, fbits,
874 						 vport->fc_rscn_id_cnt);
875 				goto out;
876 			}
877 		}
878 	}
879 	else {
880 		/* Check for retry */
881 		if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
882 			retry = 1;
883 			if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
884 				switch ((irsp->un.ulpWord[4] &
885 					IOERR_PARAM_MASK)) {
886 
887 				case IOERR_NO_RESOURCES:
888 					/* We don't increment the retry
889 					 * count for this case.
890 					 */
891 					break;
892 				case IOERR_LINK_DOWN:
893 				case IOERR_SLI_ABORTED:
894 				case IOERR_SLI_DOWN:
895 					retry = 0;
896 					break;
897 				default:
898 					cmdiocb->retry++;
899 				}
900 			}
901 			else
902 				cmdiocb->retry++;
903 
904 			if (retry) {
905 				/* CT command is being retried */
906 				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
907 					 cmdiocb->retry, did);
908 				if (rc == 0) {
909 					/* success */
910 					lpfc_ct_free_iocb(phba, cmdiocb);
911 					return;
912 				}
913 			}
914 		}
915 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
916 				 "0267 NameServer GFF Rsp "
917 				 "x%x Error (%d %d) Data: x%x x%x\n",
918 				 did, irsp->ulpStatus, irsp->un.ulpWord[4],
919 				 vport->fc_flag, vport->fc_rscn_id_cnt);
920 	}
921 
922 	/* This is a target port, unregistered port, or the GFF_ID failed */
923 	ndlp = lpfc_setup_disc_node(vport, did);
924 	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
925 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
926 				 "0242 Process x%x GFF "
927 				 "NameServer Rsp Data: x%x x%x x%x\n",
928 				 did, ndlp->nlp_flag, vport->fc_flag,
929 				 vport->fc_rscn_id_cnt);
930 	} else {
931 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
932 				 "0243 Skip x%x GFF "
933 				 "NameServer Rsp Data: x%x x%x\n", did,
934 				 vport->fc_flag, vport->fc_rscn_id_cnt);
935 	}
936 out:
937 	/* Link up / RSCN discovery */
938 	if (vport->num_disc_nodes)
939 		vport->num_disc_nodes--;
940 	if (vport->num_disc_nodes == 0) {
941 		/*
942 		 * The driver has cycled through all Nports in the RSCN payload.
943 		 * Complete the handling by cleaning up and marking the
944 		 * current driver state.
945 		 */
946 		if (vport->port_state >= LPFC_DISC_AUTH) {
947 			if (vport->fc_flag & FC_RSCN_MODE) {
948 				lpfc_els_flush_rscn(vport);
949 				spin_lock_irq(shost->host_lock);
950 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
951 				spin_unlock_irq(shost->host_lock);
952 			}
953 			else
954 				lpfc_els_flush_rscn(vport);
955 		}
956 		lpfc_disc_start(vport);
957 	}
958 	lpfc_ct_free_iocb(phba, cmdiocb);
959 	return;
960 }
961 
962 static void
963 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
964 				struct lpfc_iocbq *rspiocb)
965 {
966 	struct lpfc_vport *vport = cmdiocb->vport;
967 	IOCB_t *irsp = &rspiocb->iocb;
968 	struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
969 	struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
970 	struct lpfc_sli_ct_request *CTrsp;
971 	int did;
972 	struct lpfc_nodelist *ndlp;
973 	uint32_t fc4_data_0, fc4_data_1;
974 
975 	did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
976 	did = be32_to_cpu(did);
977 
978 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
979 			      "GFT_ID cmpl: status:x%x/x%x did:x%x",
980 			      irsp->ulpStatus, irsp->un.ulpWord[4], did);
981 
982 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
983 		/* Good status, continue checking */
984 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
985 		fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
986 		fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
987 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
988 				 "3062 DID x%06x GFT Wd0 x%08x Wd1 x%08x\n",
989 				 did, fc4_data_0, fc4_data_1);
990 
991 		ndlp = lpfc_findnode_did(vport, did);
992 		if (ndlp) {
993 			/* The bitmask value for FCP and NVME FCP types is
994 			 * the same because they are 32 bits distant from
995 			 * each other in word0 and word0.
996 			 */
997 			if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
998 				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
999 			if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1000 				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1001 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1002 					 "3064 Setting ndlp %p, DID x%06x with "
1003 					 "FC4 x%08x, Data: x%08x x%08x\n",
1004 					 ndlp, did, ndlp->nlp_fc4_type,
1005 					 FC_TYPE_FCP, FC_TYPE_NVME);
1006 			ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1007 
1008 			lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
1009 			lpfc_issue_els_prli(vport, ndlp, 0);
1010 		}
1011 	} else
1012 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1013 				 "3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
1014 
1015 	lpfc_ct_free_iocb(phba, cmdiocb);
1016 }
1017 
1018 static void
1019 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1020 	     struct lpfc_iocbq *rspiocb)
1021 {
1022 	struct lpfc_vport *vport = cmdiocb->vport;
1023 	struct lpfc_dmabuf *inp;
1024 	struct lpfc_dmabuf *outp;
1025 	IOCB_t *irsp;
1026 	struct lpfc_sli_ct_request *CTrsp;
1027 	struct lpfc_nodelist *ndlp;
1028 	int cmdcode, rc;
1029 	uint8_t retry;
1030 	uint32_t latt;
1031 
1032 	/* First save ndlp, before we overwrite it */
1033 	ndlp = cmdiocb->context_un.ndlp;
1034 
1035 	/* we pass cmdiocb to state machine which needs rspiocb as well */
1036 	cmdiocb->context_un.rsp_iocb = rspiocb;
1037 
1038 	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1039 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1040 	irsp = &rspiocb->iocb;
1041 
1042 	cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1043 					CommandResponse.bits.CmdRsp);
1044 	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1045 
1046 	latt = lpfc_els_chk_latt(vport);
1047 
1048 	/* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
1049 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1050 			 "0209 CT Request completes, latt %d, "
1051 			 "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1052 			 latt, irsp->ulpStatus,
1053 			 CTrsp->CommandResponse.bits.CmdRsp,
1054 			 cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
1055 
1056 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1057 		"CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1058 		irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
1059 
1060 	if (irsp->ulpStatus) {
1061 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1062 				 "0268 NS cmd x%x Error (x%x x%x)\n",
1063 				 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
1064 
1065 		if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1066 			(((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1067 			  IOERR_SLI_DOWN) ||
1068 			 ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1069 			  IOERR_SLI_ABORTED)))
1070 			goto out;
1071 
1072 		retry = cmdiocb->retry;
1073 		if (retry >= LPFC_MAX_NS_RETRY)
1074 			goto out;
1075 
1076 		retry++;
1077 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1078 				 "0250 Retrying NS cmd %x\n", cmdcode);
1079 		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1080 		if (rc == 0)
1081 			goto out;
1082 	}
1083 
1084 out:
1085 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
1086 	lpfc_ct_free_iocb(phba, cmdiocb);
1087 	return;
1088 }
1089 
1090 static void
1091 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1092 			struct lpfc_iocbq *rspiocb)
1093 {
1094 	IOCB_t *irsp = &rspiocb->iocb;
1095 	struct lpfc_vport *vport = cmdiocb->vport;
1096 
1097 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1098 		struct lpfc_dmabuf *outp;
1099 		struct lpfc_sli_ct_request *CTrsp;
1100 
1101 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1102 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1103 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1104 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1105 			vport->ct_flags |= FC_CT_RFT_ID;
1106 	}
1107 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1108 	return;
1109 }
1110 
1111 static void
1112 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1113 			struct lpfc_iocbq *rspiocb)
1114 {
1115 	IOCB_t *irsp = &rspiocb->iocb;
1116 	struct lpfc_vport *vport = cmdiocb->vport;
1117 
1118 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1119 		struct lpfc_dmabuf *outp;
1120 		struct lpfc_sli_ct_request *CTrsp;
1121 
1122 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1123 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1124 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1125 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1126 			vport->ct_flags |= FC_CT_RNN_ID;
1127 	}
1128 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1129 	return;
1130 }
1131 
1132 static void
1133 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1134 			 struct lpfc_iocbq *rspiocb)
1135 {
1136 	IOCB_t *irsp = &rspiocb->iocb;
1137 	struct lpfc_vport *vport = cmdiocb->vport;
1138 
1139 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1140 		struct lpfc_dmabuf *outp;
1141 		struct lpfc_sli_ct_request *CTrsp;
1142 
1143 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1144 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1145 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1146 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1147 			vport->ct_flags |= FC_CT_RSPN_ID;
1148 	}
1149 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1150 	return;
1151 }
1152 
1153 static void
1154 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1155 			 struct lpfc_iocbq *rspiocb)
1156 {
1157 	IOCB_t *irsp = &rspiocb->iocb;
1158 	struct lpfc_vport *vport = cmdiocb->vport;
1159 
1160 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1161 		struct lpfc_dmabuf *outp;
1162 		struct lpfc_sli_ct_request *CTrsp;
1163 
1164 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1165 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1166 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1167 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1168 			vport->ct_flags |= FC_CT_RSNN_NN;
1169 	}
1170 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1171 	return;
1172 }
1173 
1174 static void
1175 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1176  struct lpfc_iocbq *rspiocb)
1177 {
1178 	struct lpfc_vport *vport = cmdiocb->vport;
1179 
1180 	/* even if it fails we will act as though it succeeded. */
1181 	vport->ct_flags = 0;
1182 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1183 	return;
1184 }
1185 
1186 static void
1187 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1188 			struct lpfc_iocbq *rspiocb)
1189 {
1190 	IOCB_t *irsp = &rspiocb->iocb;
1191 	struct lpfc_vport *vport = cmdiocb->vport;
1192 
1193 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1194 		struct lpfc_dmabuf *outp;
1195 		struct lpfc_sli_ct_request *CTrsp;
1196 
1197 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1198 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1199 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1200 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1201 			vport->ct_flags |= FC_CT_RFF_ID;
1202 	}
1203 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1204 	return;
1205 }
1206 
1207 /*
1208  * Although the symbolic port name is thought to be an integer
1209  * as of January 18, 2016, leave it as a string until more of
1210  * the record state becomes defined.
1211  */
1212 int
1213 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1214 	size_t size)
1215 {
1216 	int n;
1217 
1218 	/*
1219 	 * Use the lpfc board number as the Symbolic Port
1220 	 * Name object.  NPIV is not in play so this integer
1221 	 * value is sufficient and unique per FC-ID.
1222 	 */
1223 	n = snprintf(symbol, size, "%d", vport->phba->brd_no);
1224 	return n;
1225 }
1226 
1227 
1228 int
1229 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1230 	size_t size)
1231 {
1232 	char fwrev[FW_REV_STR_SIZE];
1233 	int n;
1234 
1235 	lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1236 
1237 	n = snprintf(symbol, size, "Emulex %s", vport->phba->ModelName);
1238 	if (size < n)
1239 		return n;
1240 
1241 	n += snprintf(symbol + n, size - n, " FV%s", fwrev);
1242 	if (size < n)
1243 		return n;
1244 
1245 	n += snprintf(symbol + n, size - n, " DV%s.",
1246 		      lpfc_release_version);
1247 	if (size < n)
1248 		return n;
1249 
1250 	n += snprintf(symbol + n, size - n, " HN:%s.",
1251 		      init_utsname()->nodename);
1252 	if (size < n)
1253 		return n;
1254 
1255 	/* Note :- OS name is "Linux" */
1256 	n += snprintf(symbol + n, size - n, " OS:%s\n",
1257 		      init_utsname()->sysname);
1258 	return n;
1259 }
1260 
1261 static uint32_t
1262 lpfc_find_map_node(struct lpfc_vport *vport)
1263 {
1264 	struct lpfc_nodelist *ndlp, *next_ndlp;
1265 	struct Scsi_Host  *shost;
1266 	uint32_t cnt = 0;
1267 
1268 	shost = lpfc_shost_from_vport(vport);
1269 	spin_lock_irq(shost->host_lock);
1270 	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1271 		if (ndlp->nlp_type & NLP_FABRIC)
1272 			continue;
1273 		if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1274 		    (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1275 			cnt++;
1276 	}
1277 	spin_unlock_irq(shost->host_lock);
1278 	return cnt;
1279 }
1280 
1281 /*
1282  * This routine will return the FC4 Type associated with the CT
1283  * GID_FT command.
1284  */
1285 int
1286 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1287 {
1288 	struct lpfc_sli_ct_request *CtReq;
1289 	struct lpfc_dmabuf *mp;
1290 	uint32_t type;
1291 
1292 	mp = cmdiocb->context1;
1293 	if (mp == NULL)
1294 		return 0;
1295 	CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1296 	type = (uint32_t)CtReq->un.gid.Fc4Type;
1297 	if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1298 		return 0;
1299 	return type;
1300 }
1301 
1302 /*
1303  * lpfc_ns_cmd
1304  * Description:
1305  *    Issue Cmd to NameServer
1306  *       SLI_CTNS_GID_FT
1307  *       LI_CTNS_RFT_ID
1308  */
1309 int
1310 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1311 	    uint8_t retry, uint32_t context)
1312 {
1313 	struct lpfc_nodelist * ndlp;
1314 	struct lpfc_hba *phba = vport->phba;
1315 	struct lpfc_dmabuf *mp, *bmp;
1316 	struct lpfc_sli_ct_request *CtReq;
1317 	struct ulp_bde64 *bpl;
1318 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1319 		      struct lpfc_iocbq *) = NULL;
1320 	uint32_t rsp_size = 1024;
1321 	size_t   size;
1322 	int rc = 0;
1323 
1324 	ndlp = lpfc_findnode_did(vport, NameServer_DID);
1325 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1326 	    || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1327 		rc=1;
1328 		goto ns_cmd_exit;
1329 	}
1330 
1331 	/* fill in BDEs for command */
1332 	/* Allocate buffer for command payload */
1333 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1334 	if (!mp) {
1335 		rc=2;
1336 		goto ns_cmd_exit;
1337 	}
1338 
1339 	INIT_LIST_HEAD(&mp->list);
1340 	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1341 	if (!mp->virt) {
1342 		rc=3;
1343 		goto ns_cmd_free_mp;
1344 	}
1345 
1346 	/* Allocate buffer for Buffer ptr list */
1347 	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1348 	if (!bmp) {
1349 		rc=4;
1350 		goto ns_cmd_free_mpvirt;
1351 	}
1352 
1353 	INIT_LIST_HEAD(&bmp->list);
1354 	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1355 	if (!bmp->virt) {
1356 		rc=5;
1357 		goto ns_cmd_free_bmp;
1358 	}
1359 
1360 	/* NameServer Req */
1361 	lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1362 			 "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1363 			 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1364 			 context);
1365 
1366 	bpl = (struct ulp_bde64 *) bmp->virt;
1367 	memset(bpl, 0, sizeof(struct ulp_bde64));
1368 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1369 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1370 	bpl->tus.f.bdeFlags = 0;
1371 	if (cmdcode == SLI_CTNS_GID_FT)
1372 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1373 	else if (cmdcode == SLI_CTNS_GFF_ID)
1374 		bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1375 	else if (cmdcode == SLI_CTNS_GFT_ID)
1376 		bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1377 	else if (cmdcode == SLI_CTNS_RFT_ID)
1378 		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1379 	else if (cmdcode == SLI_CTNS_RNN_ID)
1380 		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1381 	else if (cmdcode == SLI_CTNS_RSPN_ID)
1382 		bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1383 	else if (cmdcode == SLI_CTNS_RSNN_NN)
1384 		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1385 	else if (cmdcode == SLI_CTNS_DA_ID)
1386 		bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1387 	else if (cmdcode == SLI_CTNS_RFF_ID)
1388 		bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1389 	else
1390 		bpl->tus.f.bdeSize = 0;
1391 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1392 
1393 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1394 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1395 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1396 	CtReq->RevisionId.bits.InId = 0;
1397 	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1398 	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1399 	CtReq->CommandResponse.bits.Size = 0;
1400 	switch (cmdcode) {
1401 	case SLI_CTNS_GID_FT:
1402 		CtReq->CommandResponse.bits.CmdRsp =
1403 		    cpu_to_be16(SLI_CTNS_GID_FT);
1404 		CtReq->un.gid.Fc4Type = context;
1405 
1406 		if (vport->port_state < LPFC_NS_QRY)
1407 			vport->port_state = LPFC_NS_QRY;
1408 		lpfc_set_disctmo(vport);
1409 		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1410 		rsp_size = FC_MAX_NS_RSP;
1411 		break;
1412 
1413 	case SLI_CTNS_GFF_ID:
1414 		CtReq->CommandResponse.bits.CmdRsp =
1415 			cpu_to_be16(SLI_CTNS_GFF_ID);
1416 		CtReq->un.gff.PortId = cpu_to_be32(context);
1417 		cmpl = lpfc_cmpl_ct_cmd_gff_id;
1418 		break;
1419 
1420 	case SLI_CTNS_GFT_ID:
1421 		CtReq->CommandResponse.bits.CmdRsp =
1422 			cpu_to_be16(SLI_CTNS_GFT_ID);
1423 		CtReq->un.gft.PortId = cpu_to_be32(context);
1424 		cmpl = lpfc_cmpl_ct_cmd_gft_id;
1425 		break;
1426 
1427 	case SLI_CTNS_RFT_ID:
1428 		vport->ct_flags &= ~FC_CT_RFT_ID;
1429 		CtReq->CommandResponse.bits.CmdRsp =
1430 		    cpu_to_be16(SLI_CTNS_RFT_ID);
1431 		CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1432 
1433 		/* Register FC4 FCP type if enabled.  */
1434 		if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1435 		    (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP))
1436 			CtReq->un.rft.fcpReg = 1;
1437 
1438 		/* Register NVME type if enabled.  Defined LE and swapped.
1439 		 * rsvd[0] is used as word1 because of the hard-coded
1440 		 * word0 usage in the ct_request data structure.
1441 		 */
1442 		if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1443 		    (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME))
1444 			CtReq->un.rft.rsvd[0] = cpu_to_be32(0x00000100);
1445 
1446 		cmpl = lpfc_cmpl_ct_cmd_rft_id;
1447 		break;
1448 
1449 	case SLI_CTNS_RNN_ID:
1450 		vport->ct_flags &= ~FC_CT_RNN_ID;
1451 		CtReq->CommandResponse.bits.CmdRsp =
1452 		    cpu_to_be16(SLI_CTNS_RNN_ID);
1453 		CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1454 		memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1455 		       sizeof(struct lpfc_name));
1456 		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1457 		break;
1458 
1459 	case SLI_CTNS_RSPN_ID:
1460 		vport->ct_flags &= ~FC_CT_RSPN_ID;
1461 		CtReq->CommandResponse.bits.CmdRsp =
1462 		    cpu_to_be16(SLI_CTNS_RSPN_ID);
1463 		CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1464 		size = sizeof(CtReq->un.rspn.symbname);
1465 		CtReq->un.rspn.len =
1466 			lpfc_vport_symbolic_port_name(vport,
1467 			CtReq->un.rspn.symbname, size);
1468 		cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1469 		break;
1470 	case SLI_CTNS_RSNN_NN:
1471 		vport->ct_flags &= ~FC_CT_RSNN_NN;
1472 		CtReq->CommandResponse.bits.CmdRsp =
1473 		    cpu_to_be16(SLI_CTNS_RSNN_NN);
1474 		memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1475 		       sizeof(struct lpfc_name));
1476 		size = sizeof(CtReq->un.rsnn.symbname);
1477 		CtReq->un.rsnn.len =
1478 			lpfc_vport_symbolic_node_name(vport,
1479 			CtReq->un.rsnn.symbname, size);
1480 		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1481 		break;
1482 	case SLI_CTNS_DA_ID:
1483 		/* Implement DA_ID Nameserver request */
1484 		CtReq->CommandResponse.bits.CmdRsp =
1485 			cpu_to_be16(SLI_CTNS_DA_ID);
1486 		CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1487 		cmpl = lpfc_cmpl_ct_cmd_da_id;
1488 		break;
1489 	case SLI_CTNS_RFF_ID:
1490 		vport->ct_flags &= ~FC_CT_RFF_ID;
1491 		CtReq->CommandResponse.bits.CmdRsp =
1492 		    cpu_to_be16(SLI_CTNS_RFF_ID);
1493 		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1494 		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1495 
1496 		/* The driver always supports FC_TYPE_FCP.  However, the
1497 		 * caller can specify NVME (type x28) as well.  But only
1498 		 * these that FC4 type is supported.
1499 		 */
1500 		if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1501 		     (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
1502 		    (context == FC_TYPE_NVME)) {
1503 			if ((vport == phba->pport) && phba->nvmet_support) {
1504 				CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
1505 					FC4_FEATURE_NVME_DISC);
1506 				lpfc_nvmet_update_targetport(phba);
1507 			} else {
1508 				lpfc_nvme_update_localport(vport);
1509 			}
1510 			CtReq->un.rff.type_code = context;
1511 
1512 		} else if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1513 			    (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
1514 			   (context == FC_TYPE_FCP))
1515 			CtReq->un.rff.type_code = context;
1516 
1517 		else
1518 			goto ns_cmd_free_bmpvirt;
1519 
1520 		cmpl = lpfc_cmpl_ct_cmd_rff_id;
1521 		break;
1522 	}
1523 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1524 	 * to hold ndlp reference for the corresponding callback function.
1525 	 */
1526 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1527 		/* On success, The cmpl function will free the buffers */
1528 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1529 			"Issue CT cmd:    cmd:x%x did:x%x",
1530 			cmdcode, ndlp->nlp_DID, 0);
1531 		return 0;
1532 	}
1533 	rc=6;
1534 
1535 	/* Decrement ndlp reference count to release ndlp reference held
1536 	 * for the failed command's callback function.
1537 	 */
1538 	lpfc_nlp_put(ndlp);
1539 
1540 ns_cmd_free_bmpvirt:
1541 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1542 ns_cmd_free_bmp:
1543 	kfree(bmp);
1544 ns_cmd_free_mpvirt:
1545 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
1546 ns_cmd_free_mp:
1547 	kfree(mp);
1548 ns_cmd_exit:
1549 	lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1550 			 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1551 			 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1552 	return 1;
1553 }
1554 
1555 /**
1556  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
1557  * @phba: Pointer to HBA context object.
1558  * @cmdiocb: Pointer to the command IOCBQ.
1559  * @rspiocb: Pointer to the response IOCBQ.
1560  *
1561  * This function to handle the completion of a driver initiated FDMI
1562  * CT command issued during discovery.
1563  */
1564 static void
1565 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1566 		       struct lpfc_iocbq *rspiocb)
1567 {
1568 	struct lpfc_vport *vport = cmdiocb->vport;
1569 	struct lpfc_dmabuf *inp = cmdiocb->context1;
1570 	struct lpfc_dmabuf *outp = cmdiocb->context2;
1571 	struct lpfc_sli_ct_request *CTcmd = inp->virt;
1572 	struct lpfc_sli_ct_request *CTrsp = outp->virt;
1573 	uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1574 	uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1575 	IOCB_t *irsp = &rspiocb->iocb;
1576 	struct lpfc_nodelist *ndlp;
1577 	uint32_t latt, cmd, err;
1578 
1579 	latt = lpfc_els_chk_latt(vport);
1580 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1581 		"FDMI cmpl:       status:x%x/x%x latt:%d",
1582 		irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1583 
1584 	if (latt || irsp->ulpStatus) {
1585 
1586 		/* Look for a retryable error */
1587 		if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1588 			switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) {
1589 			case IOERR_SLI_ABORTED:
1590 			case IOERR_ABORT_IN_PROGRESS:
1591 			case IOERR_SEQUENCE_TIMEOUT:
1592 			case IOERR_ILLEGAL_FRAME:
1593 			case IOERR_NO_RESOURCES:
1594 			case IOERR_ILLEGAL_COMMAND:
1595 				cmdiocb->retry++;
1596 				if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
1597 					break;
1598 
1599 				/* Retry the same FDMI command */
1600 				err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
1601 							  cmdiocb, 0);
1602 				if (err == IOCB_ERROR)
1603 					break;
1604 				return;
1605 			default:
1606 				break;
1607 			}
1608 		}
1609 
1610 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1611 				 "0229 FDMI cmd %04x failed, latt = %d "
1612 				 "ulpStatus: x%x, rid x%x\n",
1613 				 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1614 				 irsp->un.ulpWord[4]);
1615 	}
1616 	lpfc_ct_free_iocb(phba, cmdiocb);
1617 
1618 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1619 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1620 		return;
1621 
1622 	/* Check for a CT LS_RJT response */
1623 	cmd =  be16_to_cpu(fdmi_cmd);
1624 	if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
1625 		/* FDMI rsp failed */
1626 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1627 				 "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
1628 
1629 		/* Should we fallback to FDMI-2 / FDMI-1 ? */
1630 		switch (cmd) {
1631 		case SLI_MGMT_RHBA:
1632 			if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
1633 				/* Fallback to FDMI-1 */
1634 				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1635 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1636 				/* Start over */
1637 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1638 			}
1639 			return;
1640 
1641 		case SLI_MGMT_RPRT:
1642 			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1643 				/* Fallback to FDMI-1 */
1644 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1645 				/* Start over */
1646 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1647 			}
1648 			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1649 				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1650 				/* Retry the same command */
1651 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1652 			}
1653 			return;
1654 
1655 		case SLI_MGMT_RPA:
1656 			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1657 				/* Fallback to FDMI-1 */
1658 				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1659 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1660 				/* Start over */
1661 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1662 			}
1663 			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1664 				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1665 				/* Retry the same command */
1666 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1667 			}
1668 			return;
1669 		}
1670 	}
1671 
1672 	/*
1673 	 * On success, need to cycle thru FDMI registration for discovery
1674 	 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
1675 	 * DPRT -> RPRT (vports)
1676 	 */
1677 	switch (cmd) {
1678 	case SLI_MGMT_RHBA:
1679 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
1680 		break;
1681 
1682 	case SLI_MGMT_DHBA:
1683 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
1684 		break;
1685 
1686 	case SLI_MGMT_DPRT:
1687 		if (vport->port_type == LPFC_PHYSICAL_PORT)
1688 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
1689 		else
1690 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
1691 		break;
1692 	}
1693 	return;
1694 }
1695 
1696 
1697 /**
1698  * lpfc_fdmi_num_disc_check - Check how many mapped NPorts we are connected to
1699  * @vport: pointer to a host virtual N_Port data structure.
1700  *
1701  * Called from hbeat timeout routine to check if the number of discovered
1702  * ports has changed. If so, re-register thar port Attribute.
1703  */
1704 void
1705 lpfc_fdmi_num_disc_check(struct lpfc_vport *vport)
1706 {
1707 	struct lpfc_hba *phba = vport->phba;
1708 	struct lpfc_nodelist *ndlp;
1709 	uint16_t cnt;
1710 
1711 	if (!lpfc_is_link_up(phba))
1712 		return;
1713 
1714 	/* Must be connected to a Fabric */
1715 	if (!(vport->fc_flag & FC_FABRIC))
1716 		return;
1717 
1718 	if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
1719 		return;
1720 
1721 	cnt = lpfc_find_map_node(vport);
1722 	if (cnt == vport->fdmi_num_disc)
1723 		return;
1724 
1725 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1726 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1727 		return;
1728 
1729 	if (vport->port_type == LPFC_PHYSICAL_PORT) {
1730 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
1731 			      LPFC_FDMI_PORT_ATTR_num_disc);
1732 	} else {
1733 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
1734 			      LPFC_FDMI_PORT_ATTR_num_disc);
1735 	}
1736 }
1737 
1738 /* Routines for all individual HBA attributes */
1739 static int
1740 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
1741 {
1742 	struct lpfc_fdmi_attr_entry *ae;
1743 	uint32_t size;
1744 
1745 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1746 	memset(ae, 0, sizeof(struct lpfc_name));
1747 
1748 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
1749 	       sizeof(struct lpfc_name));
1750 	size = FOURBYTES + sizeof(struct lpfc_name);
1751 	ad->AttrLen = cpu_to_be16(size);
1752 	ad->AttrType = cpu_to_be16(RHBA_NODENAME);
1753 	return size;
1754 }
1755 static int
1756 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
1757 				struct lpfc_fdmi_attr_def *ad)
1758 {
1759 	struct lpfc_fdmi_attr_entry *ae;
1760 	uint32_t len, size;
1761 
1762 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1763 	memset(ae, 0, 256);
1764 
1765 	strncpy(ae->un.AttrString,
1766 		"Emulex Corporation",
1767 		       sizeof(ae->un.AttrString));
1768 	len = strnlen(ae->un.AttrString,
1769 			  sizeof(ae->un.AttrString));
1770 	len += (len & 3) ? (4 - (len & 3)) : 4;
1771 	size = FOURBYTES + len;
1772 	ad->AttrLen = cpu_to_be16(size);
1773 	ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
1774 	return size;
1775 }
1776 
1777 static int
1778 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
1779 {
1780 	struct lpfc_hba *phba = vport->phba;
1781 	struct lpfc_fdmi_attr_entry *ae;
1782 	uint32_t len, size;
1783 
1784 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1785 	memset(ae, 0, 256);
1786 
1787 	strncpy(ae->un.AttrString, phba->SerialNumber,
1788 		sizeof(ae->un.AttrString));
1789 	len = strnlen(ae->un.AttrString,
1790 			  sizeof(ae->un.AttrString));
1791 	len += (len & 3) ? (4 - (len & 3)) : 4;
1792 	size = FOURBYTES + len;
1793 	ad->AttrLen = cpu_to_be16(size);
1794 	ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
1795 	return size;
1796 }
1797 
1798 static int
1799 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
1800 			 struct lpfc_fdmi_attr_def *ad)
1801 {
1802 	struct lpfc_hba *phba = vport->phba;
1803 	struct lpfc_fdmi_attr_entry *ae;
1804 	uint32_t len, size;
1805 
1806 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1807 	memset(ae, 0, 256);
1808 
1809 	strncpy(ae->un.AttrString, phba->ModelName,
1810 		sizeof(ae->un.AttrString));
1811 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
1812 	len += (len & 3) ? (4 - (len & 3)) : 4;
1813 	size = FOURBYTES + len;
1814 	ad->AttrLen = cpu_to_be16(size);
1815 	ad->AttrType = cpu_to_be16(RHBA_MODEL);
1816 	return size;
1817 }
1818 
1819 static int
1820 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
1821 			       struct lpfc_fdmi_attr_def *ad)
1822 {
1823 	struct lpfc_hba *phba = vport->phba;
1824 	struct lpfc_fdmi_attr_entry *ae;
1825 	uint32_t len, size;
1826 
1827 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1828 	memset(ae, 0, 256);
1829 
1830 	strncpy(ae->un.AttrString, phba->ModelDesc,
1831 		sizeof(ae->un.AttrString));
1832 	len = strnlen(ae->un.AttrString,
1833 				  sizeof(ae->un.AttrString));
1834 	len += (len & 3) ? (4 - (len & 3)) : 4;
1835 	size = FOURBYTES + len;
1836 	ad->AttrLen = cpu_to_be16(size);
1837 	ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
1838 	return size;
1839 }
1840 
1841 static int
1842 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
1843 			   struct lpfc_fdmi_attr_def *ad)
1844 {
1845 	struct lpfc_hba *phba = vport->phba;
1846 	lpfc_vpd_t *vp = &phba->vpd;
1847 	struct lpfc_fdmi_attr_entry *ae;
1848 	uint32_t i, j, incr, size;
1849 
1850 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1851 	memset(ae, 0, 256);
1852 
1853 	/* Convert JEDEC ID to ascii for hardware version */
1854 	incr = vp->rev.biuRev;
1855 	for (i = 0; i < 8; i++) {
1856 		j = (incr & 0xf);
1857 		if (j <= 9)
1858 			ae->un.AttrString[7 - i] =
1859 			    (char)((uint8_t) 0x30 +
1860 				   (uint8_t) j);
1861 		else
1862 			ae->un.AttrString[7 - i] =
1863 			    (char)((uint8_t) 0x61 +
1864 				   (uint8_t) (j - 10));
1865 		incr = (incr >> 4);
1866 	}
1867 	size = FOURBYTES + 8;
1868 	ad->AttrLen = cpu_to_be16(size);
1869 	ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
1870 	return size;
1871 }
1872 
1873 static int
1874 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
1875 			    struct lpfc_fdmi_attr_def *ad)
1876 {
1877 	struct lpfc_fdmi_attr_entry *ae;
1878 	uint32_t len, size;
1879 
1880 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1881 	memset(ae, 0, 256);
1882 
1883 	strncpy(ae->un.AttrString, lpfc_release_version,
1884 		sizeof(ae->un.AttrString));
1885 	len = strnlen(ae->un.AttrString,
1886 			  sizeof(ae->un.AttrString));
1887 	len += (len & 3) ? (4 - (len & 3)) : 4;
1888 	size = FOURBYTES + len;
1889 	ad->AttrLen = cpu_to_be16(size);
1890 	ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
1891 	return size;
1892 }
1893 
1894 static int
1895 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
1896 			   struct lpfc_fdmi_attr_def *ad)
1897 {
1898 	struct lpfc_hba *phba = vport->phba;
1899 	struct lpfc_fdmi_attr_entry *ae;
1900 	uint32_t len, size;
1901 
1902 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1903 	memset(ae, 0, 256);
1904 
1905 	if (phba->sli_rev == LPFC_SLI_REV4)
1906 		lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
1907 	else
1908 		strncpy(ae->un.AttrString, phba->OptionROMVersion,
1909 			sizeof(ae->un.AttrString));
1910 	len = strnlen(ae->un.AttrString,
1911 			  sizeof(ae->un.AttrString));
1912 	len += (len & 3) ? (4 - (len & 3)) : 4;
1913 	size = FOURBYTES + len;
1914 	ad->AttrLen = cpu_to_be16(size);
1915 	ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
1916 	return size;
1917 }
1918 
1919 static int
1920 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
1921 			   struct lpfc_fdmi_attr_def *ad)
1922 {
1923 	struct lpfc_hba *phba = vport->phba;
1924 	struct lpfc_fdmi_attr_entry *ae;
1925 	uint32_t len, size;
1926 
1927 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1928 	memset(ae, 0, 256);
1929 
1930 	lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
1931 	len = strnlen(ae->un.AttrString,
1932 			  sizeof(ae->un.AttrString));
1933 	len += (len & 3) ? (4 - (len & 3)) : 4;
1934 	size = FOURBYTES + len;
1935 	ad->AttrLen = cpu_to_be16(size);
1936 	ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
1937 	return size;
1938 }
1939 
1940 static int
1941 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
1942 			  struct lpfc_fdmi_attr_def *ad)
1943 {
1944 	struct lpfc_fdmi_attr_entry *ae;
1945 	uint32_t len, size;
1946 
1947 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1948 	memset(ae, 0, 256);
1949 
1950 	snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
1951 		 init_utsname()->sysname,
1952 		 init_utsname()->release,
1953 		 init_utsname()->version);
1954 
1955 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
1956 	len += (len & 3) ? (4 - (len & 3)) : 4;
1957 	size = FOURBYTES + len;
1958 	ad->AttrLen = cpu_to_be16(size);
1959 	ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
1960 	return size;
1961 }
1962 
1963 static int
1964 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
1965 			  struct lpfc_fdmi_attr_def *ad)
1966 {
1967 	struct lpfc_fdmi_attr_entry *ae;
1968 	uint32_t size;
1969 
1970 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1971 
1972 	ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
1973 	size = FOURBYTES + sizeof(uint32_t);
1974 	ad->AttrLen = cpu_to_be16(size);
1975 	ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
1976 	return size;
1977 }
1978 
1979 static int
1980 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
1981 				 struct lpfc_fdmi_attr_def *ad)
1982 {
1983 	struct lpfc_fdmi_attr_entry *ae;
1984 	uint32_t len, size;
1985 
1986 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1987 	memset(ae, 0, 256);
1988 
1989 	len = lpfc_vport_symbolic_node_name(vport,
1990 				ae->un.AttrString, 256);
1991 	len += (len & 3) ? (4 - (len & 3)) : 4;
1992 	size = FOURBYTES + len;
1993 	ad->AttrLen = cpu_to_be16(size);
1994 	ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
1995 	return size;
1996 }
1997 
1998 static int
1999 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
2000 			       struct lpfc_fdmi_attr_def *ad)
2001 {
2002 	struct lpfc_fdmi_attr_entry *ae;
2003 	uint32_t size;
2004 
2005 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2006 
2007 	/* Nothing is defined for this currently */
2008 	ae->un.AttrInt =  cpu_to_be32(0);
2009 	size = FOURBYTES + sizeof(uint32_t);
2010 	ad->AttrLen = cpu_to_be16(size);
2011 	ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
2012 	return size;
2013 }
2014 
2015 static int
2016 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
2017 			     struct lpfc_fdmi_attr_def *ad)
2018 {
2019 	struct lpfc_fdmi_attr_entry *ae;
2020 	uint32_t size;
2021 
2022 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2023 
2024 	/* Each driver instance corresponds to a single port */
2025 	ae->un.AttrInt =  cpu_to_be32(1);
2026 	size = FOURBYTES + sizeof(uint32_t);
2027 	ad->AttrLen = cpu_to_be16(size);
2028 	ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2029 	return size;
2030 }
2031 
2032 static int
2033 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2034 			       struct lpfc_fdmi_attr_def *ad)
2035 {
2036 	struct lpfc_fdmi_attr_entry *ae;
2037 	uint32_t size;
2038 
2039 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2040 	memset(ae, 0, sizeof(struct lpfc_name));
2041 
2042 	memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2043 	       sizeof(struct lpfc_name));
2044 	size = FOURBYTES + sizeof(struct lpfc_name);
2045 	ad->AttrLen = cpu_to_be16(size);
2046 	ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2047 	return size;
2048 }
2049 
2050 static int
2051 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2052 			    struct lpfc_fdmi_attr_def *ad)
2053 {
2054 	struct lpfc_hba *phba = vport->phba;
2055 	struct lpfc_fdmi_attr_entry *ae;
2056 	uint32_t len, size;
2057 
2058 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2059 	memset(ae, 0, 256);
2060 
2061 	lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2062 	len = strnlen(ae->un.AttrString,
2063 			  sizeof(ae->un.AttrString));
2064 	len += (len & 3) ? (4 - (len & 3)) : 4;
2065 	size = FOURBYTES + len;
2066 	ad->AttrLen = cpu_to_be16(size);
2067 	ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2068 	return size;
2069 }
2070 
2071 static int
2072 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2073 			      struct lpfc_fdmi_attr_def *ad)
2074 {
2075 	struct lpfc_fdmi_attr_entry *ae;
2076 	uint32_t size;
2077 
2078 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2079 
2080 	/* Driver doesn't have access to this information */
2081 	ae->un.AttrInt =  cpu_to_be32(0);
2082 	size = FOURBYTES + sizeof(uint32_t);
2083 	ad->AttrLen = cpu_to_be16(size);
2084 	ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2085 	return size;
2086 }
2087 
2088 static int
2089 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2090 			     struct lpfc_fdmi_attr_def *ad)
2091 {
2092 	struct lpfc_fdmi_attr_entry *ae;
2093 	uint32_t len, size;
2094 
2095 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2096 	memset(ae, 0, 256);
2097 
2098 	strncpy(ae->un.AttrString, "EMULEX",
2099 		sizeof(ae->un.AttrString));
2100 	len = strnlen(ae->un.AttrString,
2101 			  sizeof(ae->un.AttrString));
2102 	len += (len & 3) ? (4 - (len & 3)) : 4;
2103 	size = FOURBYTES + len;
2104 	ad->AttrLen = cpu_to_be16(size);
2105 	ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2106 	return size;
2107 }
2108 
2109 /* Routines for all individual PORT attributes */
2110 static int
2111 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2112 			    struct lpfc_fdmi_attr_def *ad)
2113 {
2114 	struct lpfc_fdmi_attr_entry *ae;
2115 	uint32_t size;
2116 
2117 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2118 	memset(ae, 0, 32);
2119 
2120 	ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
2121 	ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
2122 	ae->un.AttrTypes[6] = 0x01; /* Type 40 - NVME */
2123 	ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
2124 	size = FOURBYTES + 32;
2125 	ad->AttrLen = cpu_to_be16(size);
2126 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2127 	return size;
2128 }
2129 
2130 static int
2131 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2132 				  struct lpfc_fdmi_attr_def *ad)
2133 {
2134 	struct lpfc_hba   *phba = vport->phba;
2135 	struct lpfc_fdmi_attr_entry *ae;
2136 	uint32_t size;
2137 
2138 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2139 
2140 	ae->un.AttrInt = 0;
2141 	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2142 		if (phba->lmt & LMT_64Gb)
2143 			ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2144 		if (phba->lmt & LMT_32Gb)
2145 			ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2146 		if (phba->lmt & LMT_16Gb)
2147 			ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2148 		if (phba->lmt & LMT_10Gb)
2149 			ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2150 		if (phba->lmt & LMT_8Gb)
2151 			ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2152 		if (phba->lmt & LMT_4Gb)
2153 			ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2154 		if (phba->lmt & LMT_2Gb)
2155 			ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2156 		if (phba->lmt & LMT_1Gb)
2157 			ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2158 	} else {
2159 		/* FCoE links support only one speed */
2160 		switch (phba->fc_linkspeed) {
2161 		case LPFC_ASYNC_LINK_SPEED_10GBPS:
2162 			ae->un.AttrInt = HBA_PORTSPEED_10GE;
2163 			break;
2164 		case LPFC_ASYNC_LINK_SPEED_25GBPS:
2165 			ae->un.AttrInt = HBA_PORTSPEED_25GE;
2166 			break;
2167 		case LPFC_ASYNC_LINK_SPEED_40GBPS:
2168 			ae->un.AttrInt = HBA_PORTSPEED_40GE;
2169 			break;
2170 		case LPFC_ASYNC_LINK_SPEED_100GBPS:
2171 			ae->un.AttrInt = HBA_PORTSPEED_100GE;
2172 			break;
2173 		}
2174 	}
2175 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2176 	size = FOURBYTES + sizeof(uint32_t);
2177 	ad->AttrLen = cpu_to_be16(size);
2178 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2179 	return size;
2180 }
2181 
2182 static int
2183 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2184 			  struct lpfc_fdmi_attr_def *ad)
2185 {
2186 	struct lpfc_hba   *phba = vport->phba;
2187 	struct lpfc_fdmi_attr_entry *ae;
2188 	uint32_t size;
2189 
2190 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2191 
2192 	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2193 		switch (phba->fc_linkspeed) {
2194 		case LPFC_LINK_SPEED_1GHZ:
2195 			ae->un.AttrInt = HBA_PORTSPEED_1GFC;
2196 			break;
2197 		case LPFC_LINK_SPEED_2GHZ:
2198 			ae->un.AttrInt = HBA_PORTSPEED_2GFC;
2199 			break;
2200 		case LPFC_LINK_SPEED_4GHZ:
2201 			ae->un.AttrInt = HBA_PORTSPEED_4GFC;
2202 			break;
2203 		case LPFC_LINK_SPEED_8GHZ:
2204 			ae->un.AttrInt = HBA_PORTSPEED_8GFC;
2205 			break;
2206 		case LPFC_LINK_SPEED_10GHZ:
2207 			ae->un.AttrInt = HBA_PORTSPEED_10GFC;
2208 			break;
2209 		case LPFC_LINK_SPEED_16GHZ:
2210 			ae->un.AttrInt = HBA_PORTSPEED_16GFC;
2211 			break;
2212 		case LPFC_LINK_SPEED_32GHZ:
2213 			ae->un.AttrInt = HBA_PORTSPEED_32GFC;
2214 			break;
2215 		case LPFC_LINK_SPEED_64GHZ:
2216 			ae->un.AttrInt = HBA_PORTSPEED_64GFC;
2217 			break;
2218 		default:
2219 			ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2220 			break;
2221 		}
2222 	} else {
2223 		switch (phba->fc_linkspeed) {
2224 		case LPFC_ASYNC_LINK_SPEED_10GBPS:
2225 			ae->un.AttrInt = HBA_PORTSPEED_10GE;
2226 			break;
2227 		case LPFC_ASYNC_LINK_SPEED_25GBPS:
2228 			ae->un.AttrInt = HBA_PORTSPEED_25GE;
2229 			break;
2230 		case LPFC_ASYNC_LINK_SPEED_40GBPS:
2231 			ae->un.AttrInt = HBA_PORTSPEED_40GE;
2232 			break;
2233 		case LPFC_ASYNC_LINK_SPEED_100GBPS:
2234 			ae->un.AttrInt = HBA_PORTSPEED_100GE;
2235 			break;
2236 		default:
2237 			ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2238 			break;
2239 		}
2240 	}
2241 
2242 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2243 	size = FOURBYTES + sizeof(uint32_t);
2244 	ad->AttrLen = cpu_to_be16(size);
2245 	ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
2246 	return size;
2247 }
2248 
2249 static int
2250 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
2251 			      struct lpfc_fdmi_attr_def *ad)
2252 {
2253 	struct serv_parm *hsp;
2254 	struct lpfc_fdmi_attr_entry *ae;
2255 	uint32_t size;
2256 
2257 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2258 
2259 	hsp = (struct serv_parm *)&vport->fc_sparam;
2260 	ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb) << 8) |
2261 			  (uint32_t) hsp->cmn.bbRcvSizeLsb;
2262 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2263 	size = FOURBYTES + sizeof(uint32_t);
2264 	ad->AttrLen = cpu_to_be16(size);
2265 	ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
2266 	return size;
2267 }
2268 
2269 static int
2270 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
2271 			       struct lpfc_fdmi_attr_def *ad)
2272 {
2273 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2274 	struct lpfc_fdmi_attr_entry *ae;
2275 	uint32_t len, size;
2276 
2277 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2278 	memset(ae, 0, 256);
2279 
2280 	snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
2281 		 "/sys/class/scsi_host/host%d", shost->host_no);
2282 	len = strnlen((char *)ae->un.AttrString,
2283 			  sizeof(ae->un.AttrString));
2284 	len += (len & 3) ? (4 - (len & 3)) : 4;
2285 	size = FOURBYTES + len;
2286 	ad->AttrLen = cpu_to_be16(size);
2287 	ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
2288 	return size;
2289 }
2290 
2291 static int
2292 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
2293 			      struct lpfc_fdmi_attr_def *ad)
2294 {
2295 	struct lpfc_fdmi_attr_entry *ae;
2296 	uint32_t len, size;
2297 
2298 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2299 	memset(ae, 0, 256);
2300 
2301 	snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
2302 		 init_utsname()->nodename);
2303 
2304 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2305 	len += (len & 3) ? (4 - (len & 3)) : 4;
2306 	size = FOURBYTES + len;
2307 	ad->AttrLen = cpu_to_be16(size);
2308 	ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
2309 	return size;
2310 }
2311 
2312 static int
2313 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
2314 			 struct lpfc_fdmi_attr_def *ad)
2315 {
2316 	struct lpfc_fdmi_attr_entry *ae;
2317 	uint32_t size;
2318 
2319 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2320 	memset(ae, 0,  sizeof(struct lpfc_name));
2321 
2322 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2323 	       sizeof(struct lpfc_name));
2324 	size = FOURBYTES + sizeof(struct lpfc_name);
2325 	ad->AttrLen = cpu_to_be16(size);
2326 	ad->AttrType = cpu_to_be16(RPRT_NODENAME);
2327 	return size;
2328 }
2329 
2330 static int
2331 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
2332 			 struct lpfc_fdmi_attr_def *ad)
2333 {
2334 	struct lpfc_fdmi_attr_entry *ae;
2335 	uint32_t size;
2336 
2337 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2338 	memset(ae, 0,  sizeof(struct lpfc_name));
2339 
2340 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
2341 	       sizeof(struct lpfc_name));
2342 	size = FOURBYTES + sizeof(struct lpfc_name);
2343 	ad->AttrLen = cpu_to_be16(size);
2344 	ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
2345 	return size;
2346 }
2347 
2348 static int
2349 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
2350 				  struct lpfc_fdmi_attr_def *ad)
2351 {
2352 	struct lpfc_fdmi_attr_entry *ae;
2353 	uint32_t len, size;
2354 
2355 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2356 	memset(ae, 0, 256);
2357 
2358 	len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
2359 	len += (len & 3) ? (4 - (len & 3)) : 4;
2360 	size = FOURBYTES + len;
2361 	ad->AttrLen = cpu_to_be16(size);
2362 	ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
2363 	return size;
2364 }
2365 
2366 static int
2367 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
2368 			      struct lpfc_fdmi_attr_def *ad)
2369 {
2370 	struct lpfc_hba *phba = vport->phba;
2371 	struct lpfc_fdmi_attr_entry *ae;
2372 	uint32_t size;
2373 
2374 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2375 	if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
2376 		ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
2377 	else
2378 		ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
2379 	size = FOURBYTES + sizeof(uint32_t);
2380 	ad->AttrLen = cpu_to_be16(size);
2381 	ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
2382 	return size;
2383 }
2384 
2385 static int
2386 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
2387 			  struct lpfc_fdmi_attr_def *ad)
2388 {
2389 	struct lpfc_fdmi_attr_entry *ae;
2390 	uint32_t size;
2391 
2392 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2393 	ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
2394 	size = FOURBYTES + sizeof(uint32_t);
2395 	ad->AttrLen = cpu_to_be16(size);
2396 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
2397 	return size;
2398 }
2399 
2400 static int
2401 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
2402 				struct lpfc_fdmi_attr_def *ad)
2403 {
2404 	struct lpfc_fdmi_attr_entry *ae;
2405 	uint32_t size;
2406 
2407 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2408 	memset(ae, 0,  sizeof(struct lpfc_name));
2409 
2410 	memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
2411 	       sizeof(struct lpfc_name));
2412 	size = FOURBYTES + sizeof(struct lpfc_name);
2413 	ad->AttrLen = cpu_to_be16(size);
2414 	ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
2415 	return size;
2416 }
2417 
2418 static int
2419 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
2420 				   struct lpfc_fdmi_attr_def *ad)
2421 {
2422 	struct lpfc_fdmi_attr_entry *ae;
2423 	uint32_t size;
2424 
2425 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2426 	memset(ae, 0, 32);
2427 
2428 	ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
2429 	ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
2430 	ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
2431 	size = FOURBYTES + 32;
2432 	ad->AttrLen = cpu_to_be16(size);
2433 	ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
2434 	return size;
2435 }
2436 
2437 static int
2438 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
2439 			       struct lpfc_fdmi_attr_def *ad)
2440 {
2441 	struct lpfc_fdmi_attr_entry *ae;
2442 	uint32_t size;
2443 
2444 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2445 	/* Link Up - operational */
2446 	ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
2447 	size = FOURBYTES + sizeof(uint32_t);
2448 	ad->AttrLen = cpu_to_be16(size);
2449 	ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
2450 	return size;
2451 }
2452 
2453 static int
2454 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
2455 			     struct lpfc_fdmi_attr_def *ad)
2456 {
2457 	struct lpfc_fdmi_attr_entry *ae;
2458 	uint32_t size;
2459 
2460 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2461 	vport->fdmi_num_disc = lpfc_find_map_node(vport);
2462 	ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
2463 	size = FOURBYTES + sizeof(uint32_t);
2464 	ad->AttrLen = cpu_to_be16(size);
2465 	ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
2466 	return size;
2467 }
2468 
2469 static int
2470 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
2471 			    struct lpfc_fdmi_attr_def *ad)
2472 {
2473 	struct lpfc_fdmi_attr_entry *ae;
2474 	uint32_t size;
2475 
2476 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2477 	ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
2478 	size = FOURBYTES + sizeof(uint32_t);
2479 	ad->AttrLen = cpu_to_be16(size);
2480 	ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
2481 	return size;
2482 }
2483 
2484 static int
2485 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
2486 			     struct lpfc_fdmi_attr_def *ad)
2487 {
2488 	struct lpfc_fdmi_attr_entry *ae;
2489 	uint32_t len, size;
2490 
2491 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2492 	memset(ae, 0, 256);
2493 
2494 	strncpy(ae->un.AttrString, "Smart SAN Initiator",
2495 		sizeof(ae->un.AttrString));
2496 	len = strnlen(ae->un.AttrString,
2497 			  sizeof(ae->un.AttrString));
2498 	len += (len & 3) ? (4 - (len & 3)) : 4;
2499 	size = FOURBYTES + len;
2500 	ad->AttrLen = cpu_to_be16(size);
2501 	ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
2502 	return size;
2503 }
2504 
2505 static int
2506 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
2507 			  struct lpfc_fdmi_attr_def *ad)
2508 {
2509 	struct lpfc_fdmi_attr_entry *ae;
2510 	uint32_t size;
2511 
2512 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2513 	memset(ae, 0, 256);
2514 
2515 	memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
2516 	       sizeof(struct lpfc_name));
2517 	memcpy((((uint8_t *)&ae->un.AttrString) +
2518 		sizeof(struct lpfc_name)),
2519 		&vport->fc_sparam.portName, sizeof(struct lpfc_name));
2520 	size = FOURBYTES + (2 * sizeof(struct lpfc_name));
2521 	ad->AttrLen =  cpu_to_be16(size);
2522 	ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
2523 	return size;
2524 }
2525 
2526 static int
2527 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
2528 			     struct lpfc_fdmi_attr_def *ad)
2529 {
2530 	struct lpfc_fdmi_attr_entry *ae;
2531 	uint32_t len, size;
2532 
2533 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2534 	memset(ae, 0, 256);
2535 
2536 	strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
2537 		sizeof(ae->un.AttrString));
2538 	len = strnlen(ae->un.AttrString,
2539 			  sizeof(ae->un.AttrString));
2540 	len += (len & 3) ? (4 - (len & 3)) : 4;
2541 	size = FOURBYTES + len;
2542 	ad->AttrLen =  cpu_to_be16(size);
2543 	ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
2544 	return size;
2545 }
2546 
2547 static int
2548 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
2549 			   struct lpfc_fdmi_attr_def *ad)
2550 {
2551 	struct lpfc_hba *phba = vport->phba;
2552 	struct lpfc_fdmi_attr_entry *ae;
2553 	uint32_t len, size;
2554 
2555 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2556 	memset(ae, 0, 256);
2557 
2558 	strncpy(ae->un.AttrString, phba->ModelName,
2559 		sizeof(ae->un.AttrString));
2560 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2561 	len += (len & 3) ? (4 - (len & 3)) : 4;
2562 	size = FOURBYTES + len;
2563 	ad->AttrLen = cpu_to_be16(size);
2564 	ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
2565 	return size;
2566 }
2567 
2568 static int
2569 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
2570 			       struct lpfc_fdmi_attr_def *ad)
2571 {
2572 	struct lpfc_fdmi_attr_entry *ae;
2573 	uint32_t size;
2574 
2575 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2576 
2577 	/* SRIOV (type 3) is not supported */
2578 	if (vport->vpi)
2579 		ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
2580 	else
2581 		ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
2582 	size = FOURBYTES + sizeof(uint32_t);
2583 	ad->AttrLen = cpu_to_be16(size);
2584 	ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
2585 	return size;
2586 }
2587 
2588 static int
2589 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
2590 			 struct lpfc_fdmi_attr_def *ad)
2591 {
2592 	struct lpfc_fdmi_attr_entry *ae;
2593 	uint32_t size;
2594 
2595 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2596 	ae->un.AttrInt =  cpu_to_be32(0);
2597 	size = FOURBYTES + sizeof(uint32_t);
2598 	ad->AttrLen = cpu_to_be16(size);
2599 	ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
2600 	return size;
2601 }
2602 
2603 static int
2604 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
2605 			      struct lpfc_fdmi_attr_def *ad)
2606 {
2607 	struct lpfc_fdmi_attr_entry *ae;
2608 	uint32_t size;
2609 
2610 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2611 	ae->un.AttrInt =  cpu_to_be32(1);
2612 	size = FOURBYTES + sizeof(uint32_t);
2613 	ad->AttrLen = cpu_to_be16(size);
2614 	ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
2615 	return size;
2616 }
2617 
2618 /* RHBA attribute jump table */
2619 int (*lpfc_fdmi_hba_action[])
2620 	(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2621 	/* Action routine                 Mask bit     Attribute type */
2622 	lpfc_fdmi_hba_attr_wwnn,	  /* bit0     RHBA_NODENAME           */
2623 	lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
2624 	lpfc_fdmi_hba_attr_sn,		  /* bit2     RHBA_SERIAL_NUMBER      */
2625 	lpfc_fdmi_hba_attr_model,	  /* bit3     RHBA_MODEL              */
2626 	lpfc_fdmi_hba_attr_description,	  /* bit4     RHBA_MODEL_DESCRIPTION  */
2627 	lpfc_fdmi_hba_attr_hdw_ver,	  /* bit5     RHBA_HARDWARE_VERSION   */
2628 	lpfc_fdmi_hba_attr_drvr_ver,	  /* bit6     RHBA_DRIVER_VERSION     */
2629 	lpfc_fdmi_hba_attr_rom_ver,	  /* bit7     RHBA_OPTION_ROM_VERSION */
2630 	lpfc_fdmi_hba_attr_fmw_ver,	  /* bit8     RHBA_FIRMWARE_VERSION   */
2631 	lpfc_fdmi_hba_attr_os_ver,	  /* bit9     RHBA_OS_NAME_VERSION    */
2632 	lpfc_fdmi_hba_attr_ct_len,	  /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
2633 	lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
2634 	lpfc_fdmi_hba_attr_vendor_info,	  /* bit12    RHBA_VENDOR_INFO        */
2635 	lpfc_fdmi_hba_attr_num_ports,	  /* bit13    RHBA_NUM_PORTS          */
2636 	lpfc_fdmi_hba_attr_fabric_wwnn,	  /* bit14    RHBA_FABRIC_WWNN        */
2637 	lpfc_fdmi_hba_attr_bios_ver,	  /* bit15    RHBA_BIOS_VERSION       */
2638 	lpfc_fdmi_hba_attr_bios_state,	  /* bit16    RHBA_BIOS_STATE         */
2639 	lpfc_fdmi_hba_attr_vendor_id,	  /* bit17    RHBA_VENDOR_ID          */
2640 };
2641 
2642 /* RPA / RPRT attribute jump table */
2643 int (*lpfc_fdmi_port_action[])
2644 	(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2645 	/* Action routine                   Mask bit   Attribute type */
2646 	lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
2647 	lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
2648 	lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
2649 	lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
2650 	lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
2651 	lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
2652 	lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
2653 	lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
2654 	lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
2655 	lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
2656 	lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
2657 	lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
2658 	lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
2659 	lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
2660 	lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
2661 	lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
2662 	lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
2663 	lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
2664 	lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
2665 	lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
2666 	lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
2667 	lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
2668 	lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
2669 };
2670 
2671 /**
2672  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
2673  * @vport: pointer to a host virtual N_Port data structure.
2674  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
2675  * cmdcode: FDMI command to send
2676  * mask: Mask of HBA or PORT Attributes to send
2677  *
2678  * Builds and sends a FDMI command using the CT subsystem.
2679  */
2680 int
2681 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2682 	      int cmdcode, uint32_t new_mask)
2683 {
2684 	struct lpfc_hba *phba = vport->phba;
2685 	struct lpfc_dmabuf *mp, *bmp;
2686 	struct lpfc_sli_ct_request *CtReq;
2687 	struct ulp_bde64 *bpl;
2688 	uint32_t bit_pos;
2689 	uint32_t size;
2690 	uint32_t rsp_size;
2691 	uint32_t mask;
2692 	struct lpfc_fdmi_reg_hba *rh;
2693 	struct lpfc_fdmi_port_entry *pe;
2694 	struct lpfc_fdmi_reg_portattr *pab = NULL;
2695 	struct lpfc_fdmi_attr_block *ab = NULL;
2696 	int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
2697 	void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
2698 		     struct lpfc_iocbq *);
2699 
2700 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
2701 		return 0;
2702 
2703 	cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
2704 
2705 	/* fill in BDEs for command */
2706 	/* Allocate buffer for command payload */
2707 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2708 	if (!mp)
2709 		goto fdmi_cmd_exit;
2710 
2711 	mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
2712 	if (!mp->virt)
2713 		goto fdmi_cmd_free_mp;
2714 
2715 	/* Allocate buffer for Buffer ptr list */
2716 	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2717 	if (!bmp)
2718 		goto fdmi_cmd_free_mpvirt;
2719 
2720 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
2721 	if (!bmp->virt)
2722 		goto fdmi_cmd_free_bmp;
2723 
2724 	INIT_LIST_HEAD(&mp->list);
2725 	INIT_LIST_HEAD(&bmp->list);
2726 
2727 	/* FDMI request */
2728 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2729 			 "0218 FDMI Request Data: x%x x%x x%x\n",
2730 			 vport->fc_flag, vport->port_state, cmdcode);
2731 	CtReq = (struct lpfc_sli_ct_request *)mp->virt;
2732 
2733 	/* First populate the CT_IU preamble */
2734 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
2735 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
2736 	CtReq->RevisionId.bits.InId = 0;
2737 
2738 	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
2739 	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
2740 
2741 	CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
2742 	rsp_size = LPFC_BPL_SIZE;
2743 	size = 0;
2744 
2745 	/* Next fill in the specific FDMI cmd information */
2746 	switch (cmdcode) {
2747 	case SLI_MGMT_RHAT:
2748 	case SLI_MGMT_RHBA:
2749 		rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
2750 		/* HBA Identifier */
2751 		memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
2752 		       sizeof(struct lpfc_name));
2753 
2754 		if (cmdcode == SLI_MGMT_RHBA) {
2755 			/* Registered Port List */
2756 			/* One entry (port) per adapter */
2757 			rh->rpl.EntryCnt = cpu_to_be32(1);
2758 			memcpy(&rh->rpl.pe, &phba->pport->fc_sparam.portName,
2759 			       sizeof(struct lpfc_name));
2760 
2761 			/* point to the HBA attribute block */
2762 			size = 2 * sizeof(struct lpfc_name) +
2763 				FOURBYTES;
2764 		} else {
2765 			size = sizeof(struct lpfc_name);
2766 		}
2767 		ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
2768 		ab->EntryCnt = 0;
2769 		size += FOURBYTES;
2770 		bit_pos = 0;
2771 		if (new_mask)
2772 			mask = new_mask;
2773 		else
2774 			mask = vport->fdmi_hba_mask;
2775 
2776 		/* Mask will dictate what attributes to build in the request */
2777 		while (mask) {
2778 			if (mask & 0x1) {
2779 				func = lpfc_fdmi_hba_action[bit_pos];
2780 				size += func(vport,
2781 					     (struct lpfc_fdmi_attr_def *)
2782 					     ((uint8_t *)rh + size));
2783 				ab->EntryCnt++;
2784 				if ((size + 256) >
2785 				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2786 					goto hba_out;
2787 			}
2788 			mask = mask >> 1;
2789 			bit_pos++;
2790 		}
2791 hba_out:
2792 		ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
2793 		/* Total size */
2794 		size = GID_REQUEST_SZ - 4 + size;
2795 		break;
2796 
2797 	case SLI_MGMT_RPRT:
2798 	case SLI_MGMT_RPA:
2799 		pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
2800 		if (cmdcode == SLI_MGMT_RPRT) {
2801 			rh = (struct lpfc_fdmi_reg_hba *)pab;
2802 			/* HBA Identifier */
2803 			memcpy(&rh->hi.PortName,
2804 			       &phba->pport->fc_sparam.portName,
2805 			       sizeof(struct lpfc_name));
2806 			pab = (struct lpfc_fdmi_reg_portattr *)
2807 				((uint8_t *)pab +  sizeof(struct lpfc_name));
2808 		}
2809 
2810 		memcpy((uint8_t *)&pab->PortName,
2811 		       (uint8_t *)&vport->fc_sparam.portName,
2812 		       sizeof(struct lpfc_name));
2813 		size += sizeof(struct lpfc_name) + FOURBYTES;
2814 		pab->ab.EntryCnt = 0;
2815 		bit_pos = 0;
2816 		if (new_mask)
2817 			mask = new_mask;
2818 		else
2819 			mask = vport->fdmi_port_mask;
2820 
2821 		/* Mask will dictate what attributes to build in the request */
2822 		while (mask) {
2823 			if (mask & 0x1) {
2824 				func = lpfc_fdmi_port_action[bit_pos];
2825 				size += func(vport,
2826 					     (struct lpfc_fdmi_attr_def *)
2827 					     ((uint8_t *)pab + size));
2828 				pab->ab.EntryCnt++;
2829 				if ((size + 256) >
2830 				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2831 					goto port_out;
2832 			}
2833 			mask = mask >> 1;
2834 			bit_pos++;
2835 		}
2836 port_out:
2837 		pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
2838 		/* Total size */
2839 		if (cmdcode == SLI_MGMT_RPRT)
2840 			size += sizeof(struct lpfc_name);
2841 		size = GID_REQUEST_SZ - 4 + size;
2842 		break;
2843 
2844 	case SLI_MGMT_GHAT:
2845 	case SLI_MGMT_GRPL:
2846 		rsp_size = FC_MAX_NS_RSP;
2847 	case SLI_MGMT_DHBA:
2848 	case SLI_MGMT_DHAT:
2849 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2850 		memcpy((uint8_t *)&pe->PortName,
2851 		       (uint8_t *)&vport->fc_sparam.portName,
2852 		       sizeof(struct lpfc_name));
2853 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2854 		break;
2855 
2856 	case SLI_MGMT_GPAT:
2857 	case SLI_MGMT_GPAS:
2858 		rsp_size = FC_MAX_NS_RSP;
2859 	case SLI_MGMT_DPRT:
2860 	case SLI_MGMT_DPA:
2861 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2862 		memcpy((uint8_t *)&pe->PortName,
2863 		       (uint8_t *)&vport->fc_sparam.portName,
2864 		       sizeof(struct lpfc_name));
2865 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2866 		break;
2867 	case SLI_MGMT_GRHL:
2868 		size = GID_REQUEST_SZ - 4;
2869 		break;
2870 	default:
2871 		lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
2872 				 "0298 FDMI cmdcode x%x not supported\n",
2873 				 cmdcode);
2874 		goto fdmi_cmd_free_bmpvirt;
2875 	}
2876 	CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
2877 
2878 	bpl = (struct ulp_bde64 *)bmp->virt;
2879 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
2880 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
2881 	bpl->tus.f.bdeFlags = 0;
2882 	bpl->tus.f.bdeSize = size;
2883 
2884 	/*
2885 	 * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2886 	 * to hold ndlp reference for the corresponding callback function.
2887 	 */
2888 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
2889 		return 0;
2890 
2891 	/*
2892 	 * Decrement ndlp reference count to release ndlp reference held
2893 	 * for the failed command's callback function.
2894 	 */
2895 	lpfc_nlp_put(ndlp);
2896 
2897 fdmi_cmd_free_bmpvirt:
2898 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2899 fdmi_cmd_free_bmp:
2900 	kfree(bmp);
2901 fdmi_cmd_free_mpvirt:
2902 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
2903 fdmi_cmd_free_mp:
2904 	kfree(mp);
2905 fdmi_cmd_exit:
2906 	/* Issue FDMI request failed */
2907 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2908 			 "0244 Issue FDMI request failed Data: x%x\n",
2909 			 cmdcode);
2910 	return 1;
2911 }
2912 
2913 /**
2914  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
2915  * @ptr - Context object of the timer.
2916  *
2917  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
2918  * the worker thread.
2919  **/
2920 void
2921 lpfc_delayed_disc_tmo(struct timer_list *t)
2922 {
2923 	struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
2924 	struct lpfc_hba   *phba = vport->phba;
2925 	uint32_t tmo_posted;
2926 	unsigned long iflag;
2927 
2928 	spin_lock_irqsave(&vport->work_port_lock, iflag);
2929 	tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
2930 	if (!tmo_posted)
2931 		vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
2932 	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
2933 
2934 	if (!tmo_posted)
2935 		lpfc_worker_wake_up(phba);
2936 	return;
2937 }
2938 
2939 /**
2940  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
2941  *      handle delayed discovery.
2942  * @vport: pointer to a host virtual N_Port data structure.
2943  *
2944  * This function start nport discovery of the vport.
2945  **/
2946 void
2947 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
2948 {
2949 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2950 
2951 	spin_lock_irq(shost->host_lock);
2952 	if (!(vport->fc_flag & FC_DISC_DELAYED)) {
2953 		spin_unlock_irq(shost->host_lock);
2954 		return;
2955 	}
2956 	vport->fc_flag &= ~FC_DISC_DELAYED;
2957 	spin_unlock_irq(shost->host_lock);
2958 
2959 	lpfc_do_scr_ns_plogi(vport->phba, vport);
2960 }
2961 
2962 void
2963 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
2964 {
2965 	struct lpfc_sli *psli = &phba->sli;
2966 	lpfc_vpd_t *vp = &phba->vpd;
2967 	uint32_t b1, b2, b3, b4, i, rev;
2968 	char c;
2969 	uint32_t *ptr, str[4];
2970 	uint8_t *fwname;
2971 
2972 	if (phba->sli_rev == LPFC_SLI_REV4)
2973 		snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
2974 	else if (vp->rev.rBit) {
2975 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
2976 			rev = vp->rev.sli2FwRev;
2977 		else
2978 			rev = vp->rev.sli1FwRev;
2979 
2980 		b1 = (rev & 0x0000f000) >> 12;
2981 		b2 = (rev & 0x00000f00) >> 8;
2982 		b3 = (rev & 0x000000c0) >> 6;
2983 		b4 = (rev & 0x00000030) >> 4;
2984 
2985 		switch (b4) {
2986 		case 0:
2987 			c = 'N';
2988 			break;
2989 		case 1:
2990 			c = 'A';
2991 			break;
2992 		case 2:
2993 			c = 'B';
2994 			break;
2995 		case 3:
2996 			c = 'X';
2997 			break;
2998 		default:
2999 			c = 0;
3000 			break;
3001 		}
3002 		b4 = (rev & 0x0000000f);
3003 
3004 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
3005 			fwname = vp->rev.sli2FwName;
3006 		else
3007 			fwname = vp->rev.sli1FwName;
3008 
3009 		for (i = 0; i < 16; i++)
3010 			if (fwname[i] == 0x20)
3011 				fwname[i] = 0;
3012 
3013 		ptr = (uint32_t*)fwname;
3014 
3015 		for (i = 0; i < 3; i++)
3016 			str[i] = be32_to_cpu(*ptr++);
3017 
3018 		if (c == 0) {
3019 			if (flag)
3020 				sprintf(fwrevision, "%d.%d%d (%s)",
3021 					b1, b2, b3, (char *)str);
3022 			else
3023 				sprintf(fwrevision, "%d.%d%d", b1,
3024 					b2, b3);
3025 		} else {
3026 			if (flag)
3027 				sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3028 					b1, b2, b3, c,
3029 					b4, (char *)str);
3030 			else
3031 				sprintf(fwrevision, "%d.%d%d%c%d",
3032 					b1, b2, b3, c, b4);
3033 		}
3034 	} else {
3035 		rev = vp->rev.smFwRev;
3036 
3037 		b1 = (rev & 0xff000000) >> 24;
3038 		b2 = (rev & 0x00f00000) >> 20;
3039 		b3 = (rev & 0x000f0000) >> 16;
3040 		c  = (rev & 0x0000ff00) >> 8;
3041 		b4 = (rev & 0x000000ff);
3042 
3043 		sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3044 	}
3045 	return;
3046 }
3047