xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_ct.c (revision e15a5365)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017-2020 Broadcom. All Rights Reserved. The term *
5  * “Broadcom” refers to Broadcom Inc. 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_logmsg.h"
48 #include "lpfc_crtn.h"
49 #include "lpfc_version.h"
50 #include "lpfc_vport.h"
51 #include "lpfc_debugfs.h"
52 
53 /* FDMI Port Speed definitions - FC-GS-7 */
54 #define HBA_PORTSPEED_1GFC		0x00000001	/* 1G FC */
55 #define HBA_PORTSPEED_2GFC		0x00000002	/* 2G FC */
56 #define HBA_PORTSPEED_4GFC		0x00000008	/* 4G FC */
57 #define HBA_PORTSPEED_10GFC		0x00000004	/* 10G FC */
58 #define HBA_PORTSPEED_8GFC		0x00000010	/* 8G FC */
59 #define HBA_PORTSPEED_16GFC		0x00000020	/* 16G FC */
60 #define HBA_PORTSPEED_32GFC		0x00000040	/* 32G FC */
61 #define HBA_PORTSPEED_20GFC		0x00000080	/* 20G FC */
62 #define HBA_PORTSPEED_40GFC		0x00000100	/* 40G FC */
63 #define HBA_PORTSPEED_128GFC		0x00000200	/* 128G FC */
64 #define HBA_PORTSPEED_64GFC		0x00000400	/* 64G FC */
65 #define HBA_PORTSPEED_256GFC		0x00000800	/* 256G FC */
66 #define HBA_PORTSPEED_UNKNOWN		0x00008000	/* Unknown */
67 #define HBA_PORTSPEED_10GE		0x00010000	/* 10G E */
68 #define HBA_PORTSPEED_40GE		0x00020000	/* 40G E */
69 #define HBA_PORTSPEED_100GE		0x00040000	/* 100G E */
70 #define HBA_PORTSPEED_25GE		0x00080000	/* 25G E */
71 #define HBA_PORTSPEED_50GE		0x00100000	/* 50G E */
72 #define HBA_PORTSPEED_400GE		0x00200000	/* 400G E */
73 
74 #define FOURBYTES	4
75 
76 
77 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
78 
79 static void
80 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
81 			  struct lpfc_dmabuf *mp, uint32_t size)
82 {
83 	if (!mp) {
84 		lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
85 				"0146 Ignoring unsolicited CT No HBQ "
86 				"status = x%x\n",
87 				piocbq->iocb.ulpStatus);
88 	}
89 	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
90 			"0145 Ignoring unsolicted CT HBQ Size:%d "
91 			"status = x%x\n",
92 			size, piocbq->iocb.ulpStatus);
93 }
94 
95 static void
96 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
97 		     struct lpfc_dmabuf *mp, uint32_t size)
98 {
99 	lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
100 }
101 
102 void
103 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
104 		    struct lpfc_iocbq *piocbq)
105 {
106 	struct lpfc_dmabuf *mp = NULL;
107 	IOCB_t *icmd = &piocbq->iocb;
108 	int i;
109 	struct lpfc_iocbq *iocbq;
110 	dma_addr_t paddr;
111 	uint32_t size;
112 	struct list_head head;
113 	struct lpfc_dmabuf *bdeBuf;
114 
115 	if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
116 		return;
117 
118 	if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
119 		lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
120 	} else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
121 		   ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) ==
122 		   IOERR_RCV_BUFFER_WAITING)) {
123 		/* Not enough posted buffers; Try posting more buffers */
124 		phba->fc_stat.NoRcvBuf++;
125 		if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
126 			lpfc_post_buffer(phba, pring, 2);
127 		return;
128 	}
129 
130 	/* If there are no BDEs associated with this IOCB,
131 	 * there is nothing to do.
132 	 */
133 	if (icmd->ulpBdeCount == 0)
134 		return;
135 
136 	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
137 		INIT_LIST_HEAD(&head);
138 		list_add_tail(&head, &piocbq->list);
139 		list_for_each_entry(iocbq, &head, list) {
140 			icmd = &iocbq->iocb;
141 			if (icmd->ulpBdeCount == 0)
142 				continue;
143 			bdeBuf = iocbq->context2;
144 			iocbq->context2 = NULL;
145 			size  = icmd->un.cont64[0].tus.f.bdeSize;
146 			lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
147 			lpfc_in_buf_free(phba, bdeBuf);
148 			if (icmd->ulpBdeCount == 2) {
149 				bdeBuf = iocbq->context3;
150 				iocbq->context3 = NULL;
151 				size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
152 				lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
153 						     size);
154 				lpfc_in_buf_free(phba, bdeBuf);
155 			}
156 		}
157 		list_del(&head);
158 	} else {
159 		INIT_LIST_HEAD(&head);
160 		list_add_tail(&head, &piocbq->list);
161 		list_for_each_entry(iocbq, &head, list) {
162 			icmd = &iocbq->iocb;
163 			if (icmd->ulpBdeCount == 0)
164 				lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
165 			for (i = 0; i < icmd->ulpBdeCount; i++) {
166 				paddr = getPaddr(icmd->un.cont64[i].addrHigh,
167 						 icmd->un.cont64[i].addrLow);
168 				mp = lpfc_sli_ringpostbuf_get(phba, pring,
169 							      paddr);
170 				size = icmd->un.cont64[i].tus.f.bdeSize;
171 				lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
172 				lpfc_in_buf_free(phba, mp);
173 			}
174 			lpfc_post_buffer(phba, pring, i);
175 		}
176 		list_del(&head);
177 	}
178 }
179 
180 /**
181  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
182  * @phba: Pointer to HBA context object.
183  * @dmabuf: pointer to a dmabuf that describes the FC sequence
184  *
185  * This function serves as the upper level protocol abort handler for CT
186  * protocol.
187  *
188  * Return 1 if abort has been handled, 0 otherwise.
189  **/
190 int
191 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
192 {
193 	int handled;
194 
195 	/* CT upper level goes through BSG */
196 	handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
197 
198 	return handled;
199 }
200 
201 static void
202 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
203 {
204 	struct lpfc_dmabuf *mlast, *next_mlast;
205 
206 	list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
207 		lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
208 		list_del(&mlast->list);
209 		kfree(mlast);
210 	}
211 	lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
212 	kfree(mlist);
213 	return;
214 }
215 
216 static struct lpfc_dmabuf *
217 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
218 		  uint32_t size, int *entries)
219 {
220 	struct lpfc_dmabuf *mlist = NULL;
221 	struct lpfc_dmabuf *mp;
222 	int cnt, i = 0;
223 
224 	/* We get chunks of FCELSSIZE */
225 	cnt = size > FCELSSIZE ? FCELSSIZE: size;
226 
227 	while (size) {
228 		/* Allocate buffer for rsp payload */
229 		mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
230 		if (!mp) {
231 			if (mlist)
232 				lpfc_free_ct_rsp(phba, mlist);
233 			return NULL;
234 		}
235 
236 		INIT_LIST_HEAD(&mp->list);
237 
238 		if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
239 		    cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
240 			mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
241 		else
242 			mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
243 
244 		if (!mp->virt) {
245 			kfree(mp);
246 			if (mlist)
247 				lpfc_free_ct_rsp(phba, mlist);
248 			return NULL;
249 		}
250 
251 		/* Queue it to a linked list */
252 		if (!mlist)
253 			mlist = mp;
254 		else
255 			list_add_tail(&mp->list, &mlist->list);
256 
257 		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
258 		/* build buffer ptr list for IOCB */
259 		bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
260 		bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
261 		bpl->tus.f.bdeSize = (uint16_t) cnt;
262 		bpl->tus.w = le32_to_cpu(bpl->tus.w);
263 		bpl++;
264 
265 		i++;
266 		size -= cnt;
267 	}
268 
269 	*entries = i;
270 	return mlist;
271 }
272 
273 int
274 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
275 {
276 	struct lpfc_dmabuf *buf_ptr;
277 
278 	if (ctiocb->context_un.ndlp) {
279 		lpfc_nlp_put(ctiocb->context_un.ndlp);
280 		ctiocb->context_un.ndlp = NULL;
281 	}
282 	if (ctiocb->context1) {
283 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
284 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
285 		kfree(buf_ptr);
286 		ctiocb->context1 = NULL;
287 	}
288 	if (ctiocb->context2) {
289 		lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
290 		ctiocb->context2 = NULL;
291 	}
292 
293 	if (ctiocb->context3) {
294 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
295 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
296 		kfree(buf_ptr);
297 		ctiocb->context3 = NULL;
298 	}
299 	lpfc_sli_release_iocbq(phba, ctiocb);
300 	return 0;
301 }
302 
303 /*
304  * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
305  * @vport: pointer to a host virtual N_Port data structure.
306  * @bmp: Pointer to BPL for SLI command
307  * @inp: Pointer to data buffer for response data.
308  * @outp: Pointer to data buffer that hold the CT command.
309  * @cmpl: completion routine to call when command completes
310  * @ndlp: Destination NPort nodelist entry
311  *
312  * This function as the final part for issuing a CT command.
313  */
314 static int
315 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
316 	     struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
317 	     void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
318 		     struct lpfc_iocbq *),
319 	     struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
320 	     uint32_t tmo, uint8_t retry)
321 {
322 	struct lpfc_hba  *phba = vport->phba;
323 	IOCB_t *icmd;
324 	struct lpfc_iocbq *geniocb;
325 	int rc;
326 
327 	/* Allocate buffer for  command iocb */
328 	geniocb = lpfc_sli_get_iocbq(phba);
329 
330 	if (geniocb == NULL)
331 		return 1;
332 
333 	icmd = &geniocb->iocb;
334 	icmd->un.genreq64.bdl.ulpIoTag32 = 0;
335 	icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
336 	icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
337 	icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
338 	icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64));
339 
340 	if (usr_flg)
341 		geniocb->context3 = NULL;
342 	else
343 		geniocb->context3 = (uint8_t *) bmp;
344 
345 	/* Save for completion so we can release these resources */
346 	geniocb->context1 = (uint8_t *) inp;
347 	geniocb->context2 = (uint8_t *) outp;
348 	geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
349 
350 	/* Fill in payload, bp points to frame payload */
351 	icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
352 
353 	/* Fill in rest of iocb */
354 	icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
355 	icmd->un.genreq64.w5.hcsw.Dfctl = 0;
356 	icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
357 	icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
358 
359 	if (!tmo) {
360 		 /* FC spec states we need 3 * ratov for CT requests */
361 		tmo = (3 * phba->fc_ratov);
362 	}
363 	icmd->ulpTimeout = tmo;
364 	icmd->ulpBdeCount = 1;
365 	icmd->ulpLe = 1;
366 	icmd->ulpClass = CLASS3;
367 	icmd->ulpContext = ndlp->nlp_rpi;
368 	if (phba->sli_rev == LPFC_SLI_REV4)
369 		icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
370 
371 	if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
372 		/* For GEN_REQUEST64_CR, use the RPI */
373 		icmd->ulpCt_h = 0;
374 		icmd->ulpCt_l = 0;
375 	}
376 
377 	/* Issue GEN REQ IOCB for NPORT <did> */
378 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
379 			 "0119 Issue GEN REQ IOCB to NPORT x%x "
380 			 "Data: x%x x%x\n",
381 			 ndlp->nlp_DID, icmd->ulpIoTag,
382 			 vport->port_state);
383 	geniocb->iocb_cmpl = cmpl;
384 	geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
385 	geniocb->vport = vport;
386 	geniocb->retry = retry;
387 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
388 
389 	if (rc == IOCB_ERROR) {
390 		geniocb->context_un.ndlp = NULL;
391 		lpfc_nlp_put(ndlp);
392 		lpfc_sli_release_iocbq(phba, geniocb);
393 		return 1;
394 	}
395 
396 	return 0;
397 }
398 
399 /*
400  * lpfc_ct_cmd - Build and issue a CT command
401  * @vport: pointer to a host virtual N_Port data structure.
402  * @inmp: Pointer to data buffer for response data.
403  * @bmp: Pointer to BPL for SLI command
404  * @ndlp: Destination NPort nodelist entry
405  * @cmpl: completion routine to call when command completes
406  *
407  * This function is called for issuing a CT command.
408  */
409 static int
410 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
411 	    struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
412 	    void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
413 			  struct lpfc_iocbq *),
414 	    uint32_t rsp_size, uint8_t retry)
415 {
416 	struct lpfc_hba  *phba = vport->phba;
417 	struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
418 	struct lpfc_dmabuf *outmp;
419 	int cnt = 0, status;
420 	int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
421 		CommandResponse.bits.CmdRsp;
422 
423 	bpl++;			/* Skip past ct request */
424 
425 	/* Put buffer(s) for ct rsp in bpl */
426 	outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
427 	if (!outmp)
428 		return -ENOMEM;
429 	/*
430 	 * Form the CT IOCB.  The total number of BDEs in this IOCB
431 	 * is the single command plus response count from
432 	 * lpfc_alloc_ct_rsp.
433 	 */
434 	cnt += 1;
435 	status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
436 			      cnt, 0, retry);
437 	if (status) {
438 		lpfc_free_ct_rsp(phba, outmp);
439 		return -ENOMEM;
440 	}
441 	return 0;
442 }
443 
444 struct lpfc_vport *
445 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
446 	struct lpfc_vport *vport_curr;
447 	unsigned long flags;
448 
449 	spin_lock_irqsave(&phba->port_list_lock, flags);
450 	list_for_each_entry(vport_curr, &phba->port_list, listentry) {
451 		if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
452 			spin_unlock_irqrestore(&phba->port_list_lock, flags);
453 			return vport_curr;
454 		}
455 	}
456 	spin_unlock_irqrestore(&phba->port_list_lock, flags);
457 	return NULL;
458 }
459 
460 static void
461 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
462 {
463 	struct lpfc_nodelist *ndlp;
464 
465 	if ((vport->port_type != LPFC_NPIV_PORT) ||
466 	    !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
467 
468 		ndlp = lpfc_setup_disc_node(vport, Did);
469 
470 		if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
471 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
472 				"Parse GID_FTrsp: did:x%x flg:x%x x%x",
473 				Did, ndlp->nlp_flag, vport->fc_flag);
474 
475 			/* By default, the driver expects to support FCP FC4 */
476 			if (fc4_type == FC_TYPE_FCP)
477 				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
478 
479 			if (fc4_type == FC_TYPE_NVME)
480 				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
481 
482 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
483 					 "0238 Process x%06x NameServer Rsp "
484 					 "Data: x%x x%x x%x x%x x%x\n", Did,
485 					 ndlp->nlp_flag, ndlp->nlp_fc4_type,
486 					 ndlp->nlp_state, vport->fc_flag,
487 					 vport->fc_rscn_id_cnt);
488 
489 			/* if ndlp needs to be discovered and prior
490 			 * state of ndlp hit devloss, change state to
491 			 * allow rediscovery.
492 			 */
493 			if (ndlp->nlp_flag & NLP_NPR_2B_DISC &&
494 			    ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
495 				lpfc_nlp_set_state(vport, ndlp,
496 						   NLP_STE_NPR_NODE);
497 			}
498 		} else {
499 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
500 				"Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
501 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
502 
503 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
504 					 "0239 Skip x%06x NameServer Rsp "
505 					 "Data: x%x x%x %p\n",
506 					 Did, vport->fc_flag,
507 					 vport->fc_rscn_id_cnt, ndlp);
508 		}
509 	} else {
510 		if (!(vport->fc_flag & FC_RSCN_MODE) ||
511 		    lpfc_rscn_payload_check(vport, Did)) {
512 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
513 				"Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
514 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
515 
516 			/*
517 			 * This NPortID was previously a FCP/NVMe target,
518 			 * Don't even bother to send GFF_ID.
519 			 */
520 			ndlp = lpfc_findnode_did(vport, Did);
521 			if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
522 			    (ndlp->nlp_type &
523 			    (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
524 				if (fc4_type == FC_TYPE_FCP)
525 					ndlp->nlp_fc4_type |= NLP_FC4_FCP;
526 				if (fc4_type == FC_TYPE_NVME)
527 					ndlp->nlp_fc4_type |= NLP_FC4_NVME;
528 				lpfc_setup_disc_node(vport, Did);
529 			} else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
530 				   0, Did) == 0)
531 				vport->num_disc_nodes++;
532 			else
533 				lpfc_setup_disc_node(vport, Did);
534 		} else {
535 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
536 				"Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
537 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
538 
539 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
540 					 "0245 Skip x%06x NameServer Rsp "
541 					 "Data: x%x x%x\n", Did,
542 					 vport->fc_flag,
543 					 vport->fc_rscn_id_cnt);
544 		}
545 	}
546 }
547 
548 static void
549 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
550 {
551 	struct lpfc_hba *phba = vport->phba;
552 	struct lpfc_nodelist *ndlp = NULL;
553 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
554 	char *str;
555 
556 	if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
557 		str = "GID_FT";
558 	else
559 		str = "GID_PT";
560 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
561 			 "6430 Process %s rsp for %08x type %x %s %s\n",
562 			 str, Did, fc4_type,
563 			 (fc4_type == FC_TYPE_FCP) ?  "FCP" : " ",
564 			 (fc4_type == FC_TYPE_NVME) ?  "NVME" : " ");
565 	/*
566 	 * To conserve rpi's, filter out addresses for other
567 	 * vports on the same physical HBAs.
568 	 */
569 	if (Did != vport->fc_myDID &&
570 	    (!lpfc_find_vport_by_did(phba, Did) ||
571 	     vport->cfg_peer_port_login)) {
572 		if (!phba->nvmet_support) {
573 			/* FCPI/NVMEI path. Process Did */
574 			lpfc_prep_node_fc4type(vport, Did, fc4_type);
575 			return;
576 		}
577 		/* NVMET path.  NVMET only cares about NVMEI nodes. */
578 		list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
579 			if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
580 			    ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
581 				continue;
582 			spin_lock_irq(shost->host_lock);
583 			if (ndlp->nlp_DID == Did)
584 				ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
585 			else
586 				ndlp->nlp_flag |= NLP_NVMET_RECOV;
587 			spin_unlock_irq(shost->host_lock);
588 		}
589 	}
590 }
591 
592 static int
593 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
594 	    uint32_t Size)
595 {
596 	struct lpfc_sli_ct_request *Response =
597 		(struct lpfc_sli_ct_request *) mp->virt;
598 	struct lpfc_dmabuf *mlast, *next_mp;
599 	uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
600 	uint32_t Did, CTentry;
601 	int Cnt;
602 	struct list_head head;
603 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
604 	struct lpfc_nodelist *ndlp = NULL;
605 
606 	lpfc_set_disctmo(vport);
607 	vport->num_disc_nodes = 0;
608 	vport->fc_ns_retry = 0;
609 
610 
611 	list_add_tail(&head, &mp->list);
612 	list_for_each_entry_safe(mp, next_mp, &head, list) {
613 		mlast = mp;
614 
615 		Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
616 
617 		Size -= Cnt;
618 
619 		if (!ctptr) {
620 			ctptr = (uint32_t *) mlast->virt;
621 		} else
622 			Cnt -= 16;	/* subtract length of CT header */
623 
624 		/* Loop through entire NameServer list of DIDs */
625 		while (Cnt >= sizeof(uint32_t)) {
626 			/* Get next DID from NameServer List */
627 			CTentry = *ctptr++;
628 			Did = ((be32_to_cpu(CTentry)) & Mask_DID);
629 			lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
630 			if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
631 				goto nsout1;
632 
633 			Cnt -= sizeof(uint32_t);
634 		}
635 		ctptr = NULL;
636 
637 	}
638 
639 	/* All GID_FT entries processed.  If the driver is running in
640 	 * in target mode, put impacted nodes into recovery and drop
641 	 * the RPI to flush outstanding IO.
642 	 */
643 	if (vport->phba->nvmet_support) {
644 		list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
645 			if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
646 				continue;
647 			lpfc_disc_state_machine(vport, ndlp, NULL,
648 						NLP_EVT_DEVICE_RECOVERY);
649 			spin_lock_irq(shost->host_lock);
650 			ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
651 			spin_unlock_irq(shost->host_lock);
652 		}
653 	}
654 
655 nsout1:
656 	list_del(&head);
657 	return 0;
658 }
659 
660 static void
661 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
662 			struct lpfc_iocbq *rspiocb)
663 {
664 	struct lpfc_vport *vport = cmdiocb->vport;
665 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
666 	IOCB_t *irsp;
667 	struct lpfc_dmabuf *outp;
668 	struct lpfc_dmabuf *inp;
669 	struct lpfc_sli_ct_request *CTrsp;
670 	struct lpfc_sli_ct_request *CTreq;
671 	struct lpfc_nodelist *ndlp;
672 	int rc, type;
673 
674 	/* First save ndlp, before we overwrite it */
675 	ndlp = cmdiocb->context_un.ndlp;
676 
677 	/* we pass cmdiocb to state machine which needs rspiocb as well */
678 	cmdiocb->context_un.rsp_iocb = rspiocb;
679 	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
680 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
681 	irsp = &rspiocb->iocb;
682 
683 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
684 		 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
685 		irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
686 
687 	/* Don't bother processing response if vport is being torn down. */
688 	if (vport->load_flag & FC_UNLOADING) {
689 		if (vport->fc_flag & FC_RSCN_MODE)
690 			lpfc_els_flush_rscn(vport);
691 		goto out;
692 	}
693 
694 	if (lpfc_els_chk_latt(vport)) {
695 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
696 				 "0216 Link event during NS query\n");
697 		if (vport->fc_flag & FC_RSCN_MODE)
698 			lpfc_els_flush_rscn(vport);
699 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
700 		goto out;
701 	}
702 	if (lpfc_error_lost_link(irsp)) {
703 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
704 				 "0226 NS query failed due to link event\n");
705 		if (vport->fc_flag & FC_RSCN_MODE)
706 			lpfc_els_flush_rscn(vport);
707 		goto out;
708 	}
709 
710 	spin_lock_irq(shost->host_lock);
711 	if (vport->fc_flag & FC_RSCN_DEFERRED) {
712 		vport->fc_flag &= ~FC_RSCN_DEFERRED;
713 		spin_unlock_irq(shost->host_lock);
714 
715 		/* This is a GID_FT completing so the gidft_inp counter was
716 		 * incremented before the GID_FT was issued to the wire.
717 		 */
718 		if (vport->gidft_inp)
719 			vport->gidft_inp--;
720 
721 		/*
722 		 * Skip processing the NS response
723 		 * Re-issue the NS cmd
724 		 */
725 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
726 				 "0151 Process Deferred RSCN Data: x%x x%x\n",
727 				 vport->fc_flag, vport->fc_rscn_id_cnt);
728 		lpfc_els_handle_rscn(vport);
729 
730 		goto out;
731 	}
732 	spin_unlock_irq(shost->host_lock);
733 
734 	if (irsp->ulpStatus) {
735 		/* Check for retry */
736 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
737 			if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
738 			    (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
739 			    IOERR_NO_RESOURCES)
740 				vport->fc_ns_retry++;
741 
742 			type = lpfc_get_gidft_type(vport, cmdiocb);
743 			if (type == 0)
744 				goto out;
745 
746 			/* CT command is being retried */
747 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
748 					 vport->fc_ns_retry, type);
749 			if (rc == 0)
750 				goto out;
751 			else { /* Unable to send NS cmd */
752 				if (vport->gidft_inp)
753 					vport->gidft_inp--;
754 			}
755 		}
756 		if (vport->fc_flag & FC_RSCN_MODE)
757 			lpfc_els_flush_rscn(vport);
758 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
759 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
760 				 "0257 GID_FT Query error: 0x%x 0x%x\n",
761 				 irsp->ulpStatus, vport->fc_ns_retry);
762 	} else {
763 		/* Good status, continue checking */
764 		CTreq = (struct lpfc_sli_ct_request *) inp->virt;
765 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
766 		if (CTrsp->CommandResponse.bits.CmdRsp ==
767 		    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
768 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
769 					 "0208 NameServer Rsp Data: x%x x%x "
770 					 "x%x x%x sz x%x\n",
771 					 vport->fc_flag,
772 					 CTreq->un.gid.Fc4Type,
773 					 vport->num_disc_nodes,
774 					 vport->gidft_inp,
775 					 irsp->un.genreq64.bdl.bdeSize);
776 
777 			lpfc_ns_rsp(vport,
778 				    outp,
779 				    CTreq->un.gid.Fc4Type,
780 				    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
781 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
782 			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
783 			/* NameServer Rsp Error */
784 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
785 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
786 				lpfc_printf_vlog(vport, KERN_INFO,
787 					LOG_DISCOVERY,
788 					"0269 No NameServer Entries "
789 					"Data: x%x x%x x%x x%x\n",
790 					CTrsp->CommandResponse.bits.CmdRsp,
791 					(uint32_t) CTrsp->ReasonCode,
792 					(uint32_t) CTrsp->Explanation,
793 					vport->fc_flag);
794 
795 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
796 				"GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
797 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
798 				(uint32_t) CTrsp->ReasonCode,
799 				(uint32_t) CTrsp->Explanation);
800 			} else {
801 				lpfc_printf_vlog(vport, KERN_INFO,
802 					LOG_DISCOVERY,
803 					"0240 NameServer Rsp Error "
804 					"Data: x%x x%x x%x x%x\n",
805 					CTrsp->CommandResponse.bits.CmdRsp,
806 					(uint32_t) CTrsp->ReasonCode,
807 					(uint32_t) CTrsp->Explanation,
808 					vport->fc_flag);
809 
810 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
811 				"GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
812 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
813 				(uint32_t) CTrsp->ReasonCode,
814 				(uint32_t) CTrsp->Explanation);
815 			}
816 
817 
818 		} else {
819 			/* NameServer Rsp Error */
820 			lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
821 					"0241 NameServer Rsp Error "
822 					"Data: x%x x%x x%x x%x\n",
823 					CTrsp->CommandResponse.bits.CmdRsp,
824 					(uint32_t) CTrsp->ReasonCode,
825 					(uint32_t) CTrsp->Explanation,
826 					vport->fc_flag);
827 
828 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
829 				"GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
830 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
831 				(uint32_t) CTrsp->ReasonCode,
832 				(uint32_t) CTrsp->Explanation);
833 		}
834 		if (vport->gidft_inp)
835 			vport->gidft_inp--;
836 	}
837 
838 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
839 			 "4216 GID_FT cmpl inp %d disc %d\n",
840 			 vport->gidft_inp, vport->num_disc_nodes);
841 
842 	/* Link up / RSCN discovery */
843 	if ((vport->num_disc_nodes == 0) &&
844 	    (vport->gidft_inp == 0)) {
845 		/*
846 		 * The driver has cycled through all Nports in the RSCN payload.
847 		 * Complete the handling by cleaning up and marking the
848 		 * current driver state.
849 		 */
850 		if (vport->port_state >= LPFC_DISC_AUTH) {
851 			if (vport->fc_flag & FC_RSCN_MODE) {
852 				lpfc_els_flush_rscn(vport);
853 				spin_lock_irq(shost->host_lock);
854 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
855 				spin_unlock_irq(shost->host_lock);
856 			}
857 			else
858 				lpfc_els_flush_rscn(vport);
859 		}
860 
861 		lpfc_disc_start(vport);
862 	}
863 out:
864 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
865 	lpfc_ct_free_iocb(phba, cmdiocb);
866 	return;
867 }
868 
869 static void
870 lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
871 			struct lpfc_iocbq *rspiocb)
872 {
873 	struct lpfc_vport *vport = cmdiocb->vport;
874 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
875 	IOCB_t *irsp;
876 	struct lpfc_dmabuf *outp;
877 	struct lpfc_dmabuf *inp;
878 	struct lpfc_sli_ct_request *CTrsp;
879 	struct lpfc_sli_ct_request *CTreq;
880 	struct lpfc_nodelist *ndlp;
881 	int rc;
882 
883 	/* First save ndlp, before we overwrite it */
884 	ndlp = cmdiocb->context_un.ndlp;
885 
886 	/* we pass cmdiocb to state machine which needs rspiocb as well */
887 	cmdiocb->context_un.rsp_iocb = rspiocb;
888 	inp = (struct lpfc_dmabuf *)cmdiocb->context1;
889 	outp = (struct lpfc_dmabuf *)cmdiocb->context2;
890 	irsp = &rspiocb->iocb;
891 
892 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
893 			      "GID_PT cmpl:     status:x%x/x%x rtry:%d",
894 			      irsp->ulpStatus, irsp->un.ulpWord[4],
895 			      vport->fc_ns_retry);
896 
897 	/* Don't bother processing response if vport is being torn down. */
898 	if (vport->load_flag & FC_UNLOADING) {
899 		if (vport->fc_flag & FC_RSCN_MODE)
900 			lpfc_els_flush_rscn(vport);
901 		goto out;
902 	}
903 
904 	if (lpfc_els_chk_latt(vport)) {
905 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
906 				 "4108 Link event during NS query\n");
907 		if (vport->fc_flag & FC_RSCN_MODE)
908 			lpfc_els_flush_rscn(vport);
909 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
910 		goto out;
911 	}
912 	if (lpfc_error_lost_link(irsp)) {
913 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
914 				 "4166 NS query failed due to link event\n");
915 		if (vport->fc_flag & FC_RSCN_MODE)
916 			lpfc_els_flush_rscn(vport);
917 		goto out;
918 	}
919 
920 	spin_lock_irq(shost->host_lock);
921 	if (vport->fc_flag & FC_RSCN_DEFERRED) {
922 		vport->fc_flag &= ~FC_RSCN_DEFERRED;
923 		spin_unlock_irq(shost->host_lock);
924 
925 		/* This is a GID_PT completing so the gidft_inp counter was
926 		 * incremented before the GID_PT was issued to the wire.
927 		 */
928 		if (vport->gidft_inp)
929 			vport->gidft_inp--;
930 
931 		/*
932 		 * Skip processing the NS response
933 		 * Re-issue the NS cmd
934 		 */
935 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
936 				 "4167 Process Deferred RSCN Data: x%x x%x\n",
937 				 vport->fc_flag, vport->fc_rscn_id_cnt);
938 		lpfc_els_handle_rscn(vport);
939 
940 		goto out;
941 	}
942 	spin_unlock_irq(shost->host_lock);
943 
944 	if (irsp->ulpStatus) {
945 		/* Check for retry */
946 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
947 			if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
948 			    (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
949 			    IOERR_NO_RESOURCES)
950 				vport->fc_ns_retry++;
951 
952 			/* CT command is being retried */
953 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
954 					 vport->fc_ns_retry, GID_PT_N_PORT);
955 			if (rc == 0)
956 				goto out;
957 			else { /* Unable to send NS cmd */
958 				if (vport->gidft_inp)
959 					vport->gidft_inp--;
960 			}
961 		}
962 		if (vport->fc_flag & FC_RSCN_MODE)
963 			lpfc_els_flush_rscn(vport);
964 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
965 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
966 				 "4103 GID_FT Query error: 0x%x 0x%x\n",
967 				 irsp->ulpStatus, vport->fc_ns_retry);
968 	} else {
969 		/* Good status, continue checking */
970 		CTreq = (struct lpfc_sli_ct_request *)inp->virt;
971 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
972 		if (CTrsp->CommandResponse.bits.CmdRsp ==
973 		    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
974 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
975 					 "4105 NameServer Rsp Data: x%x x%x "
976 					 "x%x x%x sz x%x\n",
977 					 vport->fc_flag,
978 					 CTreq->un.gid.Fc4Type,
979 					 vport->num_disc_nodes,
980 					 vport->gidft_inp,
981 					 irsp->un.genreq64.bdl.bdeSize);
982 
983 			lpfc_ns_rsp(vport,
984 				    outp,
985 				    CTreq->un.gid.Fc4Type,
986 				    (uint32_t)(irsp->un.genreq64.bdl.bdeSize));
987 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
988 			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
989 			/* NameServer Rsp Error */
990 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
991 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
992 				lpfc_printf_vlog(
993 					vport, KERN_INFO, LOG_DISCOVERY,
994 					"4106 No NameServer Entries "
995 					"Data: x%x x%x x%x x%x\n",
996 					CTrsp->CommandResponse.bits.CmdRsp,
997 					(uint32_t)CTrsp->ReasonCode,
998 					(uint32_t)CTrsp->Explanation,
999 					vport->fc_flag);
1000 
1001 				lpfc_debugfs_disc_trc(
1002 				vport, LPFC_DISC_TRC_CT,
1003 				"GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
1004 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1005 				(uint32_t)CTrsp->ReasonCode,
1006 				(uint32_t)CTrsp->Explanation);
1007 			} else {
1008 				lpfc_printf_vlog(
1009 					vport, KERN_INFO, LOG_DISCOVERY,
1010 					"4107 NameServer Rsp Error "
1011 					"Data: x%x x%x x%x x%x\n",
1012 					CTrsp->CommandResponse.bits.CmdRsp,
1013 					(uint32_t)CTrsp->ReasonCode,
1014 					(uint32_t)CTrsp->Explanation,
1015 					vport->fc_flag);
1016 
1017 				lpfc_debugfs_disc_trc(
1018 				vport, LPFC_DISC_TRC_CT,
1019 				"GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1020 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1021 				(uint32_t)CTrsp->ReasonCode,
1022 				(uint32_t)CTrsp->Explanation);
1023 			}
1024 		} else {
1025 			/* NameServer Rsp Error */
1026 			lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1027 					 "4109 NameServer Rsp Error "
1028 					 "Data: x%x x%x x%x x%x\n",
1029 					 CTrsp->CommandResponse.bits.CmdRsp,
1030 					 (uint32_t)CTrsp->ReasonCode,
1031 					 (uint32_t)CTrsp->Explanation,
1032 					 vport->fc_flag);
1033 
1034 			lpfc_debugfs_disc_trc(
1035 				vport, LPFC_DISC_TRC_CT,
1036 				"GID_PT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1037 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1038 				(uint32_t)CTrsp->ReasonCode,
1039 				(uint32_t)CTrsp->Explanation);
1040 		}
1041 		if (vport->gidft_inp)
1042 			vport->gidft_inp--;
1043 	}
1044 
1045 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1046 			 "6450 GID_PT cmpl inp %d disc %d\n",
1047 			 vport->gidft_inp, vport->num_disc_nodes);
1048 
1049 	/* Link up / RSCN discovery */
1050 	if ((vport->num_disc_nodes == 0) &&
1051 	    (vport->gidft_inp == 0)) {
1052 		/*
1053 		 * The driver has cycled through all Nports in the RSCN payload.
1054 		 * Complete the handling by cleaning up and marking the
1055 		 * current driver state.
1056 		 */
1057 		if (vport->port_state >= LPFC_DISC_AUTH) {
1058 			if (vport->fc_flag & FC_RSCN_MODE) {
1059 				lpfc_els_flush_rscn(vport);
1060 				spin_lock_irq(shost->host_lock);
1061 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1062 				spin_unlock_irq(shost->host_lock);
1063 			} else {
1064 				lpfc_els_flush_rscn(vport);
1065 			}
1066 		}
1067 
1068 		lpfc_disc_start(vport);
1069 	}
1070 out:
1071 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
1072 	lpfc_ct_free_iocb(phba, cmdiocb);
1073 }
1074 
1075 static void
1076 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1077 			struct lpfc_iocbq *rspiocb)
1078 {
1079 	struct lpfc_vport *vport = cmdiocb->vport;
1080 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1081 	IOCB_t *irsp = &rspiocb->iocb;
1082 	struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1083 	struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1084 	struct lpfc_sli_ct_request *CTrsp;
1085 	int did, rc, retry;
1086 	uint8_t fbits;
1087 	struct lpfc_nodelist *ndlp;
1088 
1089 	did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1090 	did = be32_to_cpu(did);
1091 
1092 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1093 		"GFF_ID cmpl:     status:x%x/x%x did:x%x",
1094 		irsp->ulpStatus, irsp->un.ulpWord[4], did);
1095 
1096 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1097 		/* Good status, continue checking */
1098 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1099 		fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1100 
1101 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1102 				 "6431 Process GFF_ID rsp for %08x "
1103 				 "fbits %02x %s %s\n",
1104 				 did, fbits,
1105 				 (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1106 				 (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1107 
1108 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1109 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
1110 			if ((fbits & FC4_FEATURE_INIT) &&
1111 			    !(fbits & FC4_FEATURE_TARGET)) {
1112 				lpfc_printf_vlog(vport, KERN_INFO,
1113 						 LOG_DISCOVERY,
1114 						 "0270 Skip x%x GFF "
1115 						 "NameServer Rsp Data: (init) "
1116 						 "x%x x%x\n", did, fbits,
1117 						 vport->fc_rscn_id_cnt);
1118 				goto out;
1119 			}
1120 		}
1121 	}
1122 	else {
1123 		/* Check for retry */
1124 		if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1125 			retry = 1;
1126 			if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1127 				switch ((irsp->un.ulpWord[4] &
1128 					IOERR_PARAM_MASK)) {
1129 
1130 				case IOERR_NO_RESOURCES:
1131 					/* We don't increment the retry
1132 					 * count for this case.
1133 					 */
1134 					break;
1135 				case IOERR_LINK_DOWN:
1136 				case IOERR_SLI_ABORTED:
1137 				case IOERR_SLI_DOWN:
1138 					retry = 0;
1139 					break;
1140 				default:
1141 					cmdiocb->retry++;
1142 				}
1143 			}
1144 			else
1145 				cmdiocb->retry++;
1146 
1147 			if (retry) {
1148 				/* CT command is being retried */
1149 				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1150 					 cmdiocb->retry, did);
1151 				if (rc == 0) {
1152 					/* success */
1153 					lpfc_ct_free_iocb(phba, cmdiocb);
1154 					return;
1155 				}
1156 			}
1157 		}
1158 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1159 				 "0267 NameServer GFF Rsp "
1160 				 "x%x Error (%d %d) Data: x%x x%x\n",
1161 				 did, irsp->ulpStatus, irsp->un.ulpWord[4],
1162 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1163 	}
1164 
1165 	/* This is a target port, unregistered port, or the GFF_ID failed */
1166 	ndlp = lpfc_setup_disc_node(vport, did);
1167 	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1168 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1169 				 "0242 Process x%x GFF "
1170 				 "NameServer Rsp Data: x%x x%x x%x\n",
1171 				 did, ndlp->nlp_flag, vport->fc_flag,
1172 				 vport->fc_rscn_id_cnt);
1173 	} else {
1174 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1175 				 "0243 Skip x%x GFF "
1176 				 "NameServer Rsp Data: x%x x%x\n", did,
1177 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1178 	}
1179 out:
1180 	/* Link up / RSCN discovery */
1181 	if (vport->num_disc_nodes)
1182 		vport->num_disc_nodes--;
1183 
1184 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1185 			 "6451 GFF_ID cmpl inp %d disc %d\n",
1186 			 vport->gidft_inp, vport->num_disc_nodes);
1187 
1188 	if (vport->num_disc_nodes == 0) {
1189 		/*
1190 		 * The driver has cycled through all Nports in the RSCN payload.
1191 		 * Complete the handling by cleaning up and marking the
1192 		 * current driver state.
1193 		 */
1194 		if (vport->port_state >= LPFC_DISC_AUTH) {
1195 			if (vport->fc_flag & FC_RSCN_MODE) {
1196 				lpfc_els_flush_rscn(vport);
1197 				spin_lock_irq(shost->host_lock);
1198 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1199 				spin_unlock_irq(shost->host_lock);
1200 			}
1201 			else
1202 				lpfc_els_flush_rscn(vport);
1203 		}
1204 		lpfc_disc_start(vport);
1205 	}
1206 	lpfc_ct_free_iocb(phba, cmdiocb);
1207 	return;
1208 }
1209 
1210 static void
1211 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1212 				struct lpfc_iocbq *rspiocb)
1213 {
1214 	struct lpfc_vport *vport = cmdiocb->vport;
1215 	IOCB_t *irsp = &rspiocb->iocb;
1216 	struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
1217 	struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
1218 	struct lpfc_sli_ct_request *CTrsp;
1219 	int did;
1220 	struct lpfc_nodelist *ndlp;
1221 	uint32_t fc4_data_0, fc4_data_1;
1222 
1223 	did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1224 	did = be32_to_cpu(did);
1225 
1226 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1227 			      "GFT_ID cmpl: status:x%x/x%x did:x%x",
1228 			      irsp->ulpStatus, irsp->un.ulpWord[4], did);
1229 
1230 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1231 		/* Good status, continue checking */
1232 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1233 		fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1234 		fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1235 
1236 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1237 				 "6432 Process GFT_ID rsp for %08x "
1238 				 "Data %08x %08x %s %s\n",
1239 				 did, fc4_data_0, fc4_data_1,
1240 				 (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1241 				  "FCP" : " ",
1242 				 (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1243 				  "NVME" : " ");
1244 
1245 		ndlp = lpfc_findnode_did(vport, did);
1246 		if (ndlp) {
1247 			/* The bitmask value for FCP and NVME FCP types is
1248 			 * the same because they are 32 bits distant from
1249 			 * each other in word0 and word0.
1250 			 */
1251 			if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1252 				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1253 			if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1254 				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1255 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1256 					 "3064 Setting ndlp x%px, DID x%06x "
1257 					 "with FC4 x%08x, Data: x%08x x%08x "
1258 					 "%d\n",
1259 					 ndlp, did, ndlp->nlp_fc4_type,
1260 					 FC_TYPE_FCP, FC_TYPE_NVME,
1261 					 ndlp->nlp_state);
1262 
1263 			if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
1264 			    ndlp->nlp_fc4_type) {
1265 				ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1266 
1267 				lpfc_nlp_set_state(vport, ndlp,
1268 						   NLP_STE_PRLI_ISSUE);
1269 				lpfc_issue_els_prli(vport, ndlp, 0);
1270 			} else if (!ndlp->nlp_fc4_type) {
1271 				/* If fc4 type is still unknown, then LOGO */
1272 				lpfc_printf_vlog(vport, KERN_INFO,
1273 						 LOG_DISCOVERY,
1274 						 "6443 Sending LOGO ndlp x%px,"
1275 						 "DID x%06x with fc4_type: "
1276 						 "x%08x, state: %d\n",
1277 						 ndlp, did, ndlp->nlp_fc4_type,
1278 						 ndlp->nlp_state);
1279 				lpfc_issue_els_logo(vport, ndlp, 0);
1280 				ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1281 				lpfc_nlp_set_state(vport, ndlp,
1282 						   NLP_STE_NPR_NODE);
1283 			}
1284 		}
1285 	} else
1286 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1287 				 "3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
1288 
1289 	lpfc_ct_free_iocb(phba, cmdiocb);
1290 }
1291 
1292 static void
1293 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1294 	     struct lpfc_iocbq *rspiocb)
1295 {
1296 	struct lpfc_vport *vport = cmdiocb->vport;
1297 	struct lpfc_dmabuf *inp;
1298 	struct lpfc_dmabuf *outp;
1299 	IOCB_t *irsp;
1300 	struct lpfc_sli_ct_request *CTrsp;
1301 	struct lpfc_nodelist *ndlp;
1302 	int cmdcode, rc;
1303 	uint8_t retry;
1304 	uint32_t latt;
1305 
1306 	/* First save ndlp, before we overwrite it */
1307 	ndlp = cmdiocb->context_un.ndlp;
1308 
1309 	/* we pass cmdiocb to state machine which needs rspiocb as well */
1310 	cmdiocb->context_un.rsp_iocb = rspiocb;
1311 
1312 	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1313 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1314 	irsp = &rspiocb->iocb;
1315 
1316 	cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1317 					CommandResponse.bits.CmdRsp);
1318 	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1319 
1320 	latt = lpfc_els_chk_latt(vport);
1321 
1322 	/* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
1323 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1324 			 "0209 CT Request completes, latt %d, "
1325 			 "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1326 			 latt, irsp->ulpStatus,
1327 			 CTrsp->CommandResponse.bits.CmdRsp,
1328 			 cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
1329 
1330 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1331 		"CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1332 		irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
1333 
1334 	if (irsp->ulpStatus) {
1335 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1336 				 "0268 NS cmd x%x Error (x%x x%x)\n",
1337 				 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
1338 
1339 		if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1340 			(((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1341 			  IOERR_SLI_DOWN) ||
1342 			 ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1343 			  IOERR_SLI_ABORTED)))
1344 			goto out;
1345 
1346 		retry = cmdiocb->retry;
1347 		if (retry >= LPFC_MAX_NS_RETRY)
1348 			goto out;
1349 
1350 		retry++;
1351 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1352 				 "0250 Retrying NS cmd %x\n", cmdcode);
1353 		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1354 		if (rc == 0)
1355 			goto out;
1356 	}
1357 
1358 out:
1359 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
1360 	lpfc_ct_free_iocb(phba, cmdiocb);
1361 	return;
1362 }
1363 
1364 static void
1365 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1366 			struct lpfc_iocbq *rspiocb)
1367 {
1368 	IOCB_t *irsp = &rspiocb->iocb;
1369 	struct lpfc_vport *vport = cmdiocb->vport;
1370 
1371 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1372 		struct lpfc_dmabuf *outp;
1373 		struct lpfc_sli_ct_request *CTrsp;
1374 
1375 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1376 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1377 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1378 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1379 			vport->ct_flags |= FC_CT_RFT_ID;
1380 	}
1381 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1382 	return;
1383 }
1384 
1385 static void
1386 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1387 			struct lpfc_iocbq *rspiocb)
1388 {
1389 	IOCB_t *irsp = &rspiocb->iocb;
1390 	struct lpfc_vport *vport = cmdiocb->vport;
1391 
1392 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1393 		struct lpfc_dmabuf *outp;
1394 		struct lpfc_sli_ct_request *CTrsp;
1395 
1396 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1397 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1398 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1399 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1400 			vport->ct_flags |= FC_CT_RNN_ID;
1401 	}
1402 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1403 	return;
1404 }
1405 
1406 static void
1407 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1408 			 struct lpfc_iocbq *rspiocb)
1409 {
1410 	IOCB_t *irsp = &rspiocb->iocb;
1411 	struct lpfc_vport *vport = cmdiocb->vport;
1412 
1413 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1414 		struct lpfc_dmabuf *outp;
1415 		struct lpfc_sli_ct_request *CTrsp;
1416 
1417 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1418 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1419 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1420 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1421 			vport->ct_flags |= FC_CT_RSPN_ID;
1422 	}
1423 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1424 	return;
1425 }
1426 
1427 static void
1428 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1429 			 struct lpfc_iocbq *rspiocb)
1430 {
1431 	IOCB_t *irsp = &rspiocb->iocb;
1432 	struct lpfc_vport *vport = cmdiocb->vport;
1433 
1434 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1435 		struct lpfc_dmabuf *outp;
1436 		struct lpfc_sli_ct_request *CTrsp;
1437 
1438 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1439 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1440 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1441 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1442 			vport->ct_flags |= FC_CT_RSNN_NN;
1443 	}
1444 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1445 	return;
1446 }
1447 
1448 static void
1449 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1450  struct lpfc_iocbq *rspiocb)
1451 {
1452 	struct lpfc_vport *vport = cmdiocb->vport;
1453 
1454 	/* even if it fails we will act as though it succeeded. */
1455 	vport->ct_flags = 0;
1456 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1457 	return;
1458 }
1459 
1460 static void
1461 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1462 			struct lpfc_iocbq *rspiocb)
1463 {
1464 	IOCB_t *irsp = &rspiocb->iocb;
1465 	struct lpfc_vport *vport = cmdiocb->vport;
1466 
1467 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1468 		struct lpfc_dmabuf *outp;
1469 		struct lpfc_sli_ct_request *CTrsp;
1470 
1471 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1472 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1473 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1474 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1475 			vport->ct_flags |= FC_CT_RFF_ID;
1476 	}
1477 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1478 	return;
1479 }
1480 
1481 /*
1482  * Although the symbolic port name is thought to be an integer
1483  * as of January 18, 2016, leave it as a string until more of
1484  * the record state becomes defined.
1485  */
1486 int
1487 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1488 	size_t size)
1489 {
1490 	int n;
1491 
1492 	/*
1493 	 * Use the lpfc board number as the Symbolic Port
1494 	 * Name object.  NPIV is not in play so this integer
1495 	 * value is sufficient and unique per FC-ID.
1496 	 */
1497 	n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
1498 	return n;
1499 }
1500 
1501 
1502 int
1503 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1504 	size_t size)
1505 {
1506 	char fwrev[FW_REV_STR_SIZE] = {0};
1507 	char tmp[MAXHOSTNAMELEN] = {0};
1508 
1509 	memset(symbol, 0, size);
1510 
1511 	scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
1512 	if (strlcat(symbol, tmp, size) >= size)
1513 		goto buffer_done;
1514 
1515 	lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1516 	scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
1517 	if (strlcat(symbol, tmp, size) >= size)
1518 		goto buffer_done;
1519 
1520 	scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
1521 	if (strlcat(symbol, tmp, size) >= size)
1522 		goto buffer_done;
1523 
1524 	scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
1525 	if (strlcat(symbol, tmp, size) >= size)
1526 		goto buffer_done;
1527 
1528 	/* Note :- OS name is "Linux" */
1529 	scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
1530 	strlcat(symbol, tmp, size);
1531 
1532 buffer_done:
1533 	return strnlen(symbol, size);
1534 
1535 }
1536 
1537 static uint32_t
1538 lpfc_find_map_node(struct lpfc_vport *vport)
1539 {
1540 	struct lpfc_nodelist *ndlp, *next_ndlp;
1541 	struct Scsi_Host  *shost;
1542 	uint32_t cnt = 0;
1543 
1544 	shost = lpfc_shost_from_vport(vport);
1545 	spin_lock_irq(shost->host_lock);
1546 	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1547 		if (ndlp->nlp_type & NLP_FABRIC)
1548 			continue;
1549 		if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1550 		    (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1551 			cnt++;
1552 	}
1553 	spin_unlock_irq(shost->host_lock);
1554 	return cnt;
1555 }
1556 
1557 /*
1558  * This routine will return the FC4 Type associated with the CT
1559  * GID_FT command.
1560  */
1561 int
1562 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1563 {
1564 	struct lpfc_sli_ct_request *CtReq;
1565 	struct lpfc_dmabuf *mp;
1566 	uint32_t type;
1567 
1568 	mp = cmdiocb->context1;
1569 	if (mp == NULL)
1570 		return 0;
1571 	CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1572 	type = (uint32_t)CtReq->un.gid.Fc4Type;
1573 	if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1574 		return 0;
1575 	return type;
1576 }
1577 
1578 /*
1579  * lpfc_ns_cmd
1580  * Description:
1581  *    Issue Cmd to NameServer
1582  *       SLI_CTNS_GID_FT
1583  *       LI_CTNS_RFT_ID
1584  */
1585 int
1586 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1587 	    uint8_t retry, uint32_t context)
1588 {
1589 	struct lpfc_nodelist * ndlp;
1590 	struct lpfc_hba *phba = vport->phba;
1591 	struct lpfc_dmabuf *mp, *bmp;
1592 	struct lpfc_sli_ct_request *CtReq;
1593 	struct ulp_bde64 *bpl;
1594 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1595 		      struct lpfc_iocbq *) = NULL;
1596 	uint32_t *ptr;
1597 	uint32_t rsp_size = 1024;
1598 	size_t   size;
1599 	int rc = 0;
1600 
1601 	ndlp = lpfc_findnode_did(vport, NameServer_DID);
1602 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1603 	    || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1604 		rc=1;
1605 		goto ns_cmd_exit;
1606 	}
1607 
1608 	/* fill in BDEs for command */
1609 	/* Allocate buffer for command payload */
1610 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1611 	if (!mp) {
1612 		rc=2;
1613 		goto ns_cmd_exit;
1614 	}
1615 
1616 	INIT_LIST_HEAD(&mp->list);
1617 	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1618 	if (!mp->virt) {
1619 		rc=3;
1620 		goto ns_cmd_free_mp;
1621 	}
1622 
1623 	/* Allocate buffer for Buffer ptr list */
1624 	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1625 	if (!bmp) {
1626 		rc=4;
1627 		goto ns_cmd_free_mpvirt;
1628 	}
1629 
1630 	INIT_LIST_HEAD(&bmp->list);
1631 	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1632 	if (!bmp->virt) {
1633 		rc=5;
1634 		goto ns_cmd_free_bmp;
1635 	}
1636 
1637 	/* NameServer Req */
1638 	lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1639 			 "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1640 			 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1641 			 context);
1642 
1643 	bpl = (struct ulp_bde64 *) bmp->virt;
1644 	memset(bpl, 0, sizeof(struct ulp_bde64));
1645 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1646 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1647 	bpl->tus.f.bdeFlags = 0;
1648 	if (cmdcode == SLI_CTNS_GID_FT)
1649 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1650 	else if (cmdcode == SLI_CTNS_GID_PT)
1651 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1652 	else if (cmdcode == SLI_CTNS_GFF_ID)
1653 		bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1654 	else if (cmdcode == SLI_CTNS_GFT_ID)
1655 		bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1656 	else if (cmdcode == SLI_CTNS_RFT_ID)
1657 		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1658 	else if (cmdcode == SLI_CTNS_RNN_ID)
1659 		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1660 	else if (cmdcode == SLI_CTNS_RSPN_ID)
1661 		bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1662 	else if (cmdcode == SLI_CTNS_RSNN_NN)
1663 		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1664 	else if (cmdcode == SLI_CTNS_DA_ID)
1665 		bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1666 	else if (cmdcode == SLI_CTNS_RFF_ID)
1667 		bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1668 	else
1669 		bpl->tus.f.bdeSize = 0;
1670 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1671 
1672 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1673 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1674 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1675 	CtReq->RevisionId.bits.InId = 0;
1676 	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1677 	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1678 	CtReq->CommandResponse.bits.Size = 0;
1679 	switch (cmdcode) {
1680 	case SLI_CTNS_GID_FT:
1681 		CtReq->CommandResponse.bits.CmdRsp =
1682 		    cpu_to_be16(SLI_CTNS_GID_FT);
1683 		CtReq->un.gid.Fc4Type = context;
1684 
1685 		if (vport->port_state < LPFC_NS_QRY)
1686 			vport->port_state = LPFC_NS_QRY;
1687 		lpfc_set_disctmo(vport);
1688 		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1689 		rsp_size = FC_MAX_NS_RSP;
1690 		break;
1691 
1692 	case SLI_CTNS_GID_PT:
1693 		CtReq->CommandResponse.bits.CmdRsp =
1694 		    cpu_to_be16(SLI_CTNS_GID_PT);
1695 		CtReq->un.gid.PortType = context;
1696 
1697 		if (vport->port_state < LPFC_NS_QRY)
1698 			vport->port_state = LPFC_NS_QRY;
1699 		lpfc_set_disctmo(vport);
1700 		cmpl = lpfc_cmpl_ct_cmd_gid_pt;
1701 		rsp_size = FC_MAX_NS_RSP;
1702 		break;
1703 
1704 	case SLI_CTNS_GFF_ID:
1705 		CtReq->CommandResponse.bits.CmdRsp =
1706 			cpu_to_be16(SLI_CTNS_GFF_ID);
1707 		CtReq->un.gff.PortId = cpu_to_be32(context);
1708 		cmpl = lpfc_cmpl_ct_cmd_gff_id;
1709 		break;
1710 
1711 	case SLI_CTNS_GFT_ID:
1712 		CtReq->CommandResponse.bits.CmdRsp =
1713 			cpu_to_be16(SLI_CTNS_GFT_ID);
1714 		CtReq->un.gft.PortId = cpu_to_be32(context);
1715 		cmpl = lpfc_cmpl_ct_cmd_gft_id;
1716 		break;
1717 
1718 	case SLI_CTNS_RFT_ID:
1719 		vport->ct_flags &= ~FC_CT_RFT_ID;
1720 		CtReq->CommandResponse.bits.CmdRsp =
1721 		    cpu_to_be16(SLI_CTNS_RFT_ID);
1722 		CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1723 
1724 		/* Register FC4 FCP type if enabled.  */
1725 		if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
1726 		    vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
1727 			CtReq->un.rft.fcpReg = 1;
1728 
1729 		/* Register NVME type if enabled.  Defined LE and swapped.
1730 		 * rsvd[0] is used as word1 because of the hard-coded
1731 		 * word0 usage in the ct_request data structure.
1732 		 */
1733 		if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
1734 		    vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
1735 			CtReq->un.rft.rsvd[0] =
1736 				cpu_to_be32(LPFC_FC4_TYPE_BITMASK);
1737 
1738 		ptr = (uint32_t *)CtReq;
1739 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1740 				 "6433 Issue RFT (%s %s): %08x %08x %08x %08x "
1741 				 "%08x %08x %08x %08x\n",
1742 				 CtReq->un.rft.fcpReg ? "FCP" : " ",
1743 				 CtReq->un.rft.rsvd[0] ? "NVME" : " ",
1744 				 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
1745 				 *(ptr + 4), *(ptr + 5),
1746 				 *(ptr + 6), *(ptr + 7));
1747 		cmpl = lpfc_cmpl_ct_cmd_rft_id;
1748 		break;
1749 
1750 	case SLI_CTNS_RNN_ID:
1751 		vport->ct_flags &= ~FC_CT_RNN_ID;
1752 		CtReq->CommandResponse.bits.CmdRsp =
1753 		    cpu_to_be16(SLI_CTNS_RNN_ID);
1754 		CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1755 		memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1756 		       sizeof(struct lpfc_name));
1757 		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1758 		break;
1759 
1760 	case SLI_CTNS_RSPN_ID:
1761 		vport->ct_flags &= ~FC_CT_RSPN_ID;
1762 		CtReq->CommandResponse.bits.CmdRsp =
1763 		    cpu_to_be16(SLI_CTNS_RSPN_ID);
1764 		CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1765 		size = sizeof(CtReq->un.rspn.symbname);
1766 		CtReq->un.rspn.len =
1767 			lpfc_vport_symbolic_port_name(vport,
1768 			CtReq->un.rspn.symbname, size);
1769 		cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1770 		break;
1771 	case SLI_CTNS_RSNN_NN:
1772 		vport->ct_flags &= ~FC_CT_RSNN_NN;
1773 		CtReq->CommandResponse.bits.CmdRsp =
1774 		    cpu_to_be16(SLI_CTNS_RSNN_NN);
1775 		memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1776 		       sizeof(struct lpfc_name));
1777 		size = sizeof(CtReq->un.rsnn.symbname);
1778 		CtReq->un.rsnn.len =
1779 			lpfc_vport_symbolic_node_name(vport,
1780 			CtReq->un.rsnn.symbname, size);
1781 		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1782 		break;
1783 	case SLI_CTNS_DA_ID:
1784 		/* Implement DA_ID Nameserver request */
1785 		CtReq->CommandResponse.bits.CmdRsp =
1786 			cpu_to_be16(SLI_CTNS_DA_ID);
1787 		CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1788 		cmpl = lpfc_cmpl_ct_cmd_da_id;
1789 		break;
1790 	case SLI_CTNS_RFF_ID:
1791 		vport->ct_flags &= ~FC_CT_RFF_ID;
1792 		CtReq->CommandResponse.bits.CmdRsp =
1793 		    cpu_to_be16(SLI_CTNS_RFF_ID);
1794 		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1795 		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1796 
1797 		/* The driver always supports FC_TYPE_FCP.  However, the
1798 		 * caller can specify NVME (type x28) as well.  But only
1799 		 * these that FC4 type is supported.
1800 		 */
1801 		if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1802 		     (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
1803 		    (context == FC_TYPE_NVME)) {
1804 			if ((vport == phba->pport) && phba->nvmet_support) {
1805 				CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
1806 					FC4_FEATURE_NVME_DISC);
1807 				lpfc_nvmet_update_targetport(phba);
1808 			} else {
1809 				lpfc_nvme_update_localport(vport);
1810 			}
1811 			CtReq->un.rff.type_code = context;
1812 
1813 		} else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1814 			    (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
1815 			   (context == FC_TYPE_FCP))
1816 			CtReq->un.rff.type_code = context;
1817 
1818 		else
1819 			goto ns_cmd_free_bmpvirt;
1820 
1821 		ptr = (uint32_t *)CtReq;
1822 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1823 				 "6434 Issue RFF (%s): %08x %08x %08x %08x "
1824 				 "%08x %08x %08x %08x\n",
1825 				 (context == FC_TYPE_NVME) ? "NVME" : "FCP",
1826 				 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
1827 				 *(ptr + 4), *(ptr + 5),
1828 				 *(ptr + 6), *(ptr + 7));
1829 		cmpl = lpfc_cmpl_ct_cmd_rff_id;
1830 		break;
1831 	}
1832 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1833 	 * to hold ndlp reference for the corresponding callback function.
1834 	 */
1835 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1836 		/* On success, The cmpl function will free the buffers */
1837 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1838 			"Issue CT cmd:    cmd:x%x did:x%x",
1839 			cmdcode, ndlp->nlp_DID, 0);
1840 		return 0;
1841 	}
1842 	rc=6;
1843 
1844 	/* Decrement ndlp reference count to release ndlp reference held
1845 	 * for the failed command's callback function.
1846 	 */
1847 	lpfc_nlp_put(ndlp);
1848 
1849 ns_cmd_free_bmpvirt:
1850 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1851 ns_cmd_free_bmp:
1852 	kfree(bmp);
1853 ns_cmd_free_mpvirt:
1854 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
1855 ns_cmd_free_mp:
1856 	kfree(mp);
1857 ns_cmd_exit:
1858 	lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1859 			 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1860 			 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1861 	return 1;
1862 }
1863 
1864 /**
1865  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
1866  * @phba: Pointer to HBA context object.
1867  * @cmdiocb: Pointer to the command IOCBQ.
1868  * @rspiocb: Pointer to the response IOCBQ.
1869  *
1870  * This function to handle the completion of a driver initiated FDMI
1871  * CT command issued during discovery.
1872  */
1873 static void
1874 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1875 		       struct lpfc_iocbq *rspiocb)
1876 {
1877 	struct lpfc_vport *vport = cmdiocb->vport;
1878 	struct lpfc_dmabuf *inp = cmdiocb->context1;
1879 	struct lpfc_dmabuf *outp = cmdiocb->context2;
1880 	struct lpfc_sli_ct_request *CTcmd = inp->virt;
1881 	struct lpfc_sli_ct_request *CTrsp = outp->virt;
1882 	uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1883 	uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1884 	IOCB_t *irsp = &rspiocb->iocb;
1885 	struct lpfc_nodelist *ndlp;
1886 	uint32_t latt, cmd, err;
1887 
1888 	latt = lpfc_els_chk_latt(vport);
1889 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1890 		"FDMI cmpl:       status:x%x/x%x latt:%d",
1891 		irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1892 
1893 	if (latt || irsp->ulpStatus) {
1894 
1895 		/* Look for a retryable error */
1896 		if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1897 			switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) {
1898 			case IOERR_SLI_ABORTED:
1899 			case IOERR_SLI_DOWN:
1900 				/* Driver aborted this IO.  No retry as error
1901 				 * is likely Offline->Online or some adapter
1902 				 * error.  Recovery will try again.
1903 				 */
1904 				break;
1905 			case IOERR_ABORT_IN_PROGRESS:
1906 			case IOERR_SEQUENCE_TIMEOUT:
1907 			case IOERR_ILLEGAL_FRAME:
1908 			case IOERR_NO_RESOURCES:
1909 			case IOERR_ILLEGAL_COMMAND:
1910 				cmdiocb->retry++;
1911 				if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
1912 					break;
1913 
1914 				/* Retry the same FDMI command */
1915 				err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
1916 							  cmdiocb, 0);
1917 				if (err == IOCB_ERROR)
1918 					break;
1919 				return;
1920 			default:
1921 				break;
1922 			}
1923 		}
1924 
1925 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1926 				 "0229 FDMI cmd %04x failed, latt = %d "
1927 				 "ulpStatus: x%x, rid x%x\n",
1928 				 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1929 				 irsp->un.ulpWord[4]);
1930 	}
1931 	lpfc_ct_free_iocb(phba, cmdiocb);
1932 
1933 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1934 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1935 		return;
1936 
1937 	/* Check for a CT LS_RJT response */
1938 	cmd =  be16_to_cpu(fdmi_cmd);
1939 	if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
1940 		/* FDMI rsp failed */
1941 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1942 				 "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
1943 
1944 		/* Should we fallback to FDMI-2 / FDMI-1 ? */
1945 		switch (cmd) {
1946 		case SLI_MGMT_RHBA:
1947 			if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
1948 				/* Fallback to FDMI-1 */
1949 				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1950 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1951 				/* Start over */
1952 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1953 			}
1954 			return;
1955 
1956 		case SLI_MGMT_RPRT:
1957 			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1958 				/* Fallback to FDMI-1 */
1959 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1960 				/* Start over */
1961 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1962 			}
1963 			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1964 				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1965 				/* Retry the same command */
1966 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1967 			}
1968 			return;
1969 
1970 		case SLI_MGMT_RPA:
1971 			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1972 				/* Fallback to FDMI-1 */
1973 				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1974 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1975 				/* Start over */
1976 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1977 			}
1978 			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1979 				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1980 				/* Retry the same command */
1981 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1982 			}
1983 			return;
1984 		}
1985 	}
1986 
1987 	/*
1988 	 * On success, need to cycle thru FDMI registration for discovery
1989 	 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
1990 	 * DPRT -> RPRT (vports)
1991 	 */
1992 	switch (cmd) {
1993 	case SLI_MGMT_RHBA:
1994 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
1995 		break;
1996 
1997 	case SLI_MGMT_DHBA:
1998 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
1999 		break;
2000 
2001 	case SLI_MGMT_DPRT:
2002 		if (vport->port_type == LPFC_PHYSICAL_PORT)
2003 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
2004 		else
2005 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2006 		break;
2007 	}
2008 	return;
2009 }
2010 
2011 
2012 /**
2013  * lpfc_fdmi_change_check - Check for changed FDMI parameters
2014  * @vport: pointer to a host virtual N_Port data structure.
2015  *
2016  * Check how many mapped NPorts we are connected to
2017  * Check if our hostname changed
2018  * Called from hbeat timeout routine to check if any FDMI parameters
2019  * changed. If so, re-register those Attributes.
2020  */
2021 void
2022 lpfc_fdmi_change_check(struct lpfc_vport *vport)
2023 {
2024 	struct lpfc_hba *phba = vport->phba;
2025 	struct lpfc_nodelist *ndlp;
2026 	uint16_t cnt;
2027 
2028 	if (!lpfc_is_link_up(phba))
2029 		return;
2030 
2031 	/* Must be connected to a Fabric */
2032 	if (!(vport->fc_flag & FC_FABRIC))
2033 		return;
2034 
2035 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
2036 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
2037 		return;
2038 
2039 	/* Check if system hostname changed */
2040 	if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
2041 		memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
2042 		scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
2043 			  init_utsname()->nodename);
2044 		lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
2045 
2046 		/* Since this effects multiple HBA and PORT attributes, we need
2047 		 * de-register and go thru the whole FDMI registration cycle.
2048 		 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2049 		 * DPRT -> RPRT (vports)
2050 		 */
2051 		if (vport->port_type == LPFC_PHYSICAL_PORT)
2052 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2053 		else
2054 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2055 
2056 		/* Since this code path registers all the port attributes
2057 		 * we can just return without further checking.
2058 		 */
2059 		return;
2060 	}
2061 
2062 	if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
2063 		return;
2064 
2065 	/* Check if the number of mapped NPorts changed */
2066 	cnt = lpfc_find_map_node(vport);
2067 	if (cnt == vport->fdmi_num_disc)
2068 		return;
2069 
2070 	if (vport->port_type == LPFC_PHYSICAL_PORT) {
2071 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
2072 			      LPFC_FDMI_PORT_ATTR_num_disc);
2073 	} else {
2074 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
2075 			      LPFC_FDMI_PORT_ATTR_num_disc);
2076 	}
2077 }
2078 
2079 /* Routines for all individual HBA attributes */
2080 static int
2081 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2082 {
2083 	struct lpfc_fdmi_attr_entry *ae;
2084 	uint32_t size;
2085 
2086 	ae = &ad->AttrValue;
2087 	memset(ae, 0, sizeof(*ae));
2088 
2089 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2090 	       sizeof(struct lpfc_name));
2091 	size = FOURBYTES + sizeof(struct lpfc_name);
2092 	ad->AttrLen = cpu_to_be16(size);
2093 	ad->AttrType = cpu_to_be16(RHBA_NODENAME);
2094 	return size;
2095 }
2096 static int
2097 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
2098 				struct lpfc_fdmi_attr_def *ad)
2099 {
2100 	struct lpfc_fdmi_attr_entry *ae;
2101 	uint32_t len, size;
2102 
2103 	ae = &ad->AttrValue;
2104 	memset(ae, 0, sizeof(*ae));
2105 
2106 	/* This string MUST be consistent with other FC platforms
2107 	 * supported by Broadcom.
2108 	 */
2109 	strncpy(ae->un.AttrString,
2110 		"Emulex Corporation",
2111 		       sizeof(ae->un.AttrString));
2112 	len = strnlen(ae->un.AttrString,
2113 			  sizeof(ae->un.AttrString));
2114 	len += (len & 3) ? (4 - (len & 3)) : 4;
2115 	size = FOURBYTES + len;
2116 	ad->AttrLen = cpu_to_be16(size);
2117 	ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
2118 	return size;
2119 }
2120 
2121 static int
2122 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2123 {
2124 	struct lpfc_hba *phba = vport->phba;
2125 	struct lpfc_fdmi_attr_entry *ae;
2126 	uint32_t len, size;
2127 
2128 	ae = &ad->AttrValue;
2129 	memset(ae, 0, sizeof(*ae));
2130 
2131 	strncpy(ae->un.AttrString, phba->SerialNumber,
2132 		sizeof(ae->un.AttrString));
2133 	len = strnlen(ae->un.AttrString,
2134 			  sizeof(ae->un.AttrString));
2135 	len += (len & 3) ? (4 - (len & 3)) : 4;
2136 	size = FOURBYTES + len;
2137 	ad->AttrLen = cpu_to_be16(size);
2138 	ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
2139 	return size;
2140 }
2141 
2142 static int
2143 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
2144 			 struct lpfc_fdmi_attr_def *ad)
2145 {
2146 	struct lpfc_hba *phba = vport->phba;
2147 	struct lpfc_fdmi_attr_entry *ae;
2148 	uint32_t len, size;
2149 
2150 	ae = &ad->AttrValue;
2151 	memset(ae, 0, sizeof(*ae));
2152 
2153 	strncpy(ae->un.AttrString, phba->ModelName,
2154 		sizeof(ae->un.AttrString));
2155 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2156 	len += (len & 3) ? (4 - (len & 3)) : 4;
2157 	size = FOURBYTES + len;
2158 	ad->AttrLen = cpu_to_be16(size);
2159 	ad->AttrType = cpu_to_be16(RHBA_MODEL);
2160 	return size;
2161 }
2162 
2163 static int
2164 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
2165 			       struct lpfc_fdmi_attr_def *ad)
2166 {
2167 	struct lpfc_hba *phba = vport->phba;
2168 	struct lpfc_fdmi_attr_entry *ae;
2169 	uint32_t len, size;
2170 
2171 	ae = &ad->AttrValue;
2172 	memset(ae, 0, sizeof(*ae));
2173 
2174 	strncpy(ae->un.AttrString, phba->ModelDesc,
2175 		sizeof(ae->un.AttrString));
2176 	len = strnlen(ae->un.AttrString,
2177 				  sizeof(ae->un.AttrString));
2178 	len += (len & 3) ? (4 - (len & 3)) : 4;
2179 	size = FOURBYTES + len;
2180 	ad->AttrLen = cpu_to_be16(size);
2181 	ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
2182 	return size;
2183 }
2184 
2185 static int
2186 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
2187 			   struct lpfc_fdmi_attr_def *ad)
2188 {
2189 	struct lpfc_hba *phba = vport->phba;
2190 	lpfc_vpd_t *vp = &phba->vpd;
2191 	struct lpfc_fdmi_attr_entry *ae;
2192 	uint32_t i, j, incr, size;
2193 
2194 	ae = &ad->AttrValue;
2195 	memset(ae, 0, sizeof(*ae));
2196 
2197 	/* Convert JEDEC ID to ascii for hardware version */
2198 	incr = vp->rev.biuRev;
2199 	for (i = 0; i < 8; i++) {
2200 		j = (incr & 0xf);
2201 		if (j <= 9)
2202 			ae->un.AttrString[7 - i] =
2203 			    (char)((uint8_t) 0x30 +
2204 				   (uint8_t) j);
2205 		else
2206 			ae->un.AttrString[7 - i] =
2207 			    (char)((uint8_t) 0x61 +
2208 				   (uint8_t) (j - 10));
2209 		incr = (incr >> 4);
2210 	}
2211 	size = FOURBYTES + 8;
2212 	ad->AttrLen = cpu_to_be16(size);
2213 	ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
2214 	return size;
2215 }
2216 
2217 static int
2218 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
2219 			    struct lpfc_fdmi_attr_def *ad)
2220 {
2221 	struct lpfc_fdmi_attr_entry *ae;
2222 	uint32_t len, size;
2223 
2224 	ae = &ad->AttrValue;
2225 	memset(ae, 0, sizeof(*ae));
2226 
2227 	strncpy(ae->un.AttrString, lpfc_release_version,
2228 		sizeof(ae->un.AttrString));
2229 	len = strnlen(ae->un.AttrString,
2230 			  sizeof(ae->un.AttrString));
2231 	len += (len & 3) ? (4 - (len & 3)) : 4;
2232 	size = FOURBYTES + len;
2233 	ad->AttrLen = cpu_to_be16(size);
2234 	ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
2235 	return size;
2236 }
2237 
2238 static int
2239 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
2240 			   struct lpfc_fdmi_attr_def *ad)
2241 {
2242 	struct lpfc_hba *phba = vport->phba;
2243 	struct lpfc_fdmi_attr_entry *ae;
2244 	uint32_t len, size;
2245 
2246 	ae = &ad->AttrValue;
2247 	memset(ae, 0, sizeof(*ae));
2248 
2249 	if (phba->sli_rev == LPFC_SLI_REV4)
2250 		lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2251 	else
2252 		strncpy(ae->un.AttrString, phba->OptionROMVersion,
2253 			sizeof(ae->un.AttrString));
2254 	len = strnlen(ae->un.AttrString,
2255 			  sizeof(ae->un.AttrString));
2256 	len += (len & 3) ? (4 - (len & 3)) : 4;
2257 	size = FOURBYTES + len;
2258 	ad->AttrLen = cpu_to_be16(size);
2259 	ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
2260 	return size;
2261 }
2262 
2263 static int
2264 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
2265 			   struct lpfc_fdmi_attr_def *ad)
2266 {
2267 	struct lpfc_hba *phba = vport->phba;
2268 	struct lpfc_fdmi_attr_entry *ae;
2269 	uint32_t len, size;
2270 
2271 	ae = &ad->AttrValue;
2272 	memset(ae, 0, sizeof(*ae));
2273 
2274 	lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2275 	len = strnlen(ae->un.AttrString,
2276 			  sizeof(ae->un.AttrString));
2277 	len += (len & 3) ? (4 - (len & 3)) : 4;
2278 	size = FOURBYTES + len;
2279 	ad->AttrLen = cpu_to_be16(size);
2280 	ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
2281 	return size;
2282 }
2283 
2284 static int
2285 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
2286 			  struct lpfc_fdmi_attr_def *ad)
2287 {
2288 	struct lpfc_fdmi_attr_entry *ae;
2289 	uint32_t len, size;
2290 
2291 	ae = &ad->AttrValue;
2292 	memset(ae, 0, sizeof(*ae));
2293 
2294 	snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
2295 		 init_utsname()->sysname,
2296 		 init_utsname()->release,
2297 		 init_utsname()->version);
2298 
2299 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2300 	len += (len & 3) ? (4 - (len & 3)) : 4;
2301 	size = FOURBYTES + len;
2302 	ad->AttrLen = cpu_to_be16(size);
2303 	ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
2304 	return size;
2305 }
2306 
2307 static int
2308 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
2309 			  struct lpfc_fdmi_attr_def *ad)
2310 {
2311 	struct lpfc_fdmi_attr_entry *ae;
2312 	uint32_t size;
2313 
2314 	ae = &ad->AttrValue;
2315 
2316 	ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
2317 	size = FOURBYTES + sizeof(uint32_t);
2318 	ad->AttrLen = cpu_to_be16(size);
2319 	ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
2320 	return size;
2321 }
2322 
2323 static int
2324 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
2325 				 struct lpfc_fdmi_attr_def *ad)
2326 {
2327 	struct lpfc_fdmi_attr_entry *ae;
2328 	uint32_t len, size;
2329 
2330 	ae = &ad->AttrValue;
2331 	memset(ae, 0, sizeof(*ae));
2332 
2333 	len = lpfc_vport_symbolic_node_name(vport,
2334 				ae->un.AttrString, 256);
2335 	len += (len & 3) ? (4 - (len & 3)) : 4;
2336 	size = FOURBYTES + len;
2337 	ad->AttrLen = cpu_to_be16(size);
2338 	ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
2339 	return size;
2340 }
2341 
2342 static int
2343 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
2344 			       struct lpfc_fdmi_attr_def *ad)
2345 {
2346 	struct lpfc_fdmi_attr_entry *ae;
2347 	uint32_t size;
2348 
2349 	ae = &ad->AttrValue;
2350 
2351 	/* Nothing is defined for this currently */
2352 	ae->un.AttrInt =  cpu_to_be32(0);
2353 	size = FOURBYTES + sizeof(uint32_t);
2354 	ad->AttrLen = cpu_to_be16(size);
2355 	ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
2356 	return size;
2357 }
2358 
2359 static int
2360 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
2361 			     struct lpfc_fdmi_attr_def *ad)
2362 {
2363 	struct lpfc_fdmi_attr_entry *ae;
2364 	uint32_t size;
2365 
2366 	ae = &ad->AttrValue;
2367 
2368 	/* Each driver instance corresponds to a single port */
2369 	ae->un.AttrInt =  cpu_to_be32(1);
2370 	size = FOURBYTES + sizeof(uint32_t);
2371 	ad->AttrLen = cpu_to_be16(size);
2372 	ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2373 	return size;
2374 }
2375 
2376 static int
2377 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2378 			       struct lpfc_fdmi_attr_def *ad)
2379 {
2380 	struct lpfc_fdmi_attr_entry *ae;
2381 	uint32_t size;
2382 
2383 	ae = &ad->AttrValue;
2384 	memset(ae, 0, sizeof(*ae));
2385 
2386 	memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2387 	       sizeof(struct lpfc_name));
2388 	size = FOURBYTES + sizeof(struct lpfc_name);
2389 	ad->AttrLen = cpu_to_be16(size);
2390 	ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2391 	return size;
2392 }
2393 
2394 static int
2395 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2396 			    struct lpfc_fdmi_attr_def *ad)
2397 {
2398 	struct lpfc_hba *phba = vport->phba;
2399 	struct lpfc_fdmi_attr_entry *ae;
2400 	uint32_t len, size;
2401 
2402 	ae = &ad->AttrValue;
2403 	memset(ae, 0, sizeof(*ae));
2404 
2405 	strlcat(ae->un.AttrString, phba->BIOSVersion,
2406 		sizeof(ae->un.AttrString));
2407 	len = strnlen(ae->un.AttrString,
2408 			  sizeof(ae->un.AttrString));
2409 	len += (len & 3) ? (4 - (len & 3)) : 4;
2410 	size = FOURBYTES + len;
2411 	ad->AttrLen = cpu_to_be16(size);
2412 	ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2413 	return size;
2414 }
2415 
2416 static int
2417 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2418 			      struct lpfc_fdmi_attr_def *ad)
2419 {
2420 	struct lpfc_fdmi_attr_entry *ae;
2421 	uint32_t size;
2422 
2423 	ae = &ad->AttrValue;
2424 
2425 	/* Driver doesn't have access to this information */
2426 	ae->un.AttrInt =  cpu_to_be32(0);
2427 	size = FOURBYTES + sizeof(uint32_t);
2428 	ad->AttrLen = cpu_to_be16(size);
2429 	ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2430 	return size;
2431 }
2432 
2433 static int
2434 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2435 			     struct lpfc_fdmi_attr_def *ad)
2436 {
2437 	struct lpfc_fdmi_attr_entry *ae;
2438 	uint32_t len, size;
2439 
2440 	ae = &ad->AttrValue;
2441 	memset(ae, 0, sizeof(*ae));
2442 
2443 	strncpy(ae->un.AttrString, "EMULEX",
2444 		sizeof(ae->un.AttrString));
2445 	len = strnlen(ae->un.AttrString,
2446 			  sizeof(ae->un.AttrString));
2447 	len += (len & 3) ? (4 - (len & 3)) : 4;
2448 	size = FOURBYTES + len;
2449 	ad->AttrLen = cpu_to_be16(size);
2450 	ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2451 	return size;
2452 }
2453 
2454 /* Routines for all individual PORT attributes */
2455 static int
2456 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2457 			    struct lpfc_fdmi_attr_def *ad)
2458 {
2459 	struct lpfc_hba   *phba = vport->phba;
2460 	struct lpfc_fdmi_attr_entry *ae;
2461 	uint32_t size;
2462 
2463 	ae = &ad->AttrValue;
2464 	memset(ae, 0, sizeof(*ae));
2465 
2466 	ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
2467 	ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
2468 
2469 	/* Check to see if Firmware supports NVME and on physical port */
2470 	if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
2471 	    phba->sli4_hba.pc_sli4_params.nvme)
2472 		ae->un.AttrTypes[6] = 0x01; /* Type 0x28 - NVME */
2473 
2474 	size = FOURBYTES + 32;
2475 	ad->AttrLen = cpu_to_be16(size);
2476 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2477 	return size;
2478 }
2479 
2480 static int
2481 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2482 				  struct lpfc_fdmi_attr_def *ad)
2483 {
2484 	struct lpfc_hba   *phba = vport->phba;
2485 	struct lpfc_fdmi_attr_entry *ae;
2486 	uint32_t size;
2487 
2488 	ae = &ad->AttrValue;
2489 
2490 	ae->un.AttrInt = 0;
2491 	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2492 		if (phba->lmt & LMT_128Gb)
2493 			ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2494 		if (phba->lmt & LMT_64Gb)
2495 			ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2496 		if (phba->lmt & LMT_32Gb)
2497 			ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2498 		if (phba->lmt & LMT_16Gb)
2499 			ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2500 		if (phba->lmt & LMT_10Gb)
2501 			ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2502 		if (phba->lmt & LMT_8Gb)
2503 			ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2504 		if (phba->lmt & LMT_4Gb)
2505 			ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2506 		if (phba->lmt & LMT_2Gb)
2507 			ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2508 		if (phba->lmt & LMT_1Gb)
2509 			ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2510 	} else {
2511 		/* FCoE links support only one speed */
2512 		switch (phba->fc_linkspeed) {
2513 		case LPFC_ASYNC_LINK_SPEED_10GBPS:
2514 			ae->un.AttrInt = HBA_PORTSPEED_10GE;
2515 			break;
2516 		case LPFC_ASYNC_LINK_SPEED_25GBPS:
2517 			ae->un.AttrInt = HBA_PORTSPEED_25GE;
2518 			break;
2519 		case LPFC_ASYNC_LINK_SPEED_40GBPS:
2520 			ae->un.AttrInt = HBA_PORTSPEED_40GE;
2521 			break;
2522 		case LPFC_ASYNC_LINK_SPEED_100GBPS:
2523 			ae->un.AttrInt = HBA_PORTSPEED_100GE;
2524 			break;
2525 		}
2526 	}
2527 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2528 	size = FOURBYTES + sizeof(uint32_t);
2529 	ad->AttrLen = cpu_to_be16(size);
2530 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2531 	return size;
2532 }
2533 
2534 static int
2535 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2536 			  struct lpfc_fdmi_attr_def *ad)
2537 {
2538 	struct lpfc_hba   *phba = vport->phba;
2539 	struct lpfc_fdmi_attr_entry *ae;
2540 	uint32_t size;
2541 
2542 	ae = &ad->AttrValue;
2543 
2544 	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2545 		switch (phba->fc_linkspeed) {
2546 		case LPFC_LINK_SPEED_1GHZ:
2547 			ae->un.AttrInt = HBA_PORTSPEED_1GFC;
2548 			break;
2549 		case LPFC_LINK_SPEED_2GHZ:
2550 			ae->un.AttrInt = HBA_PORTSPEED_2GFC;
2551 			break;
2552 		case LPFC_LINK_SPEED_4GHZ:
2553 			ae->un.AttrInt = HBA_PORTSPEED_4GFC;
2554 			break;
2555 		case LPFC_LINK_SPEED_8GHZ:
2556 			ae->un.AttrInt = HBA_PORTSPEED_8GFC;
2557 			break;
2558 		case LPFC_LINK_SPEED_10GHZ:
2559 			ae->un.AttrInt = HBA_PORTSPEED_10GFC;
2560 			break;
2561 		case LPFC_LINK_SPEED_16GHZ:
2562 			ae->un.AttrInt = HBA_PORTSPEED_16GFC;
2563 			break;
2564 		case LPFC_LINK_SPEED_32GHZ:
2565 			ae->un.AttrInt = HBA_PORTSPEED_32GFC;
2566 			break;
2567 		case LPFC_LINK_SPEED_64GHZ:
2568 			ae->un.AttrInt = HBA_PORTSPEED_64GFC;
2569 			break;
2570 		case LPFC_LINK_SPEED_128GHZ:
2571 			ae->un.AttrInt = HBA_PORTSPEED_128GFC;
2572 			break;
2573 		default:
2574 			ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2575 			break;
2576 		}
2577 	} else {
2578 		switch (phba->fc_linkspeed) {
2579 		case LPFC_ASYNC_LINK_SPEED_10GBPS:
2580 			ae->un.AttrInt = HBA_PORTSPEED_10GE;
2581 			break;
2582 		case LPFC_ASYNC_LINK_SPEED_25GBPS:
2583 			ae->un.AttrInt = HBA_PORTSPEED_25GE;
2584 			break;
2585 		case LPFC_ASYNC_LINK_SPEED_40GBPS:
2586 			ae->un.AttrInt = HBA_PORTSPEED_40GE;
2587 			break;
2588 		case LPFC_ASYNC_LINK_SPEED_100GBPS:
2589 			ae->un.AttrInt = HBA_PORTSPEED_100GE;
2590 			break;
2591 		default:
2592 			ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2593 			break;
2594 		}
2595 	}
2596 
2597 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2598 	size = FOURBYTES + sizeof(uint32_t);
2599 	ad->AttrLen = cpu_to_be16(size);
2600 	ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
2601 	return size;
2602 }
2603 
2604 static int
2605 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
2606 			      struct lpfc_fdmi_attr_def *ad)
2607 {
2608 	struct serv_parm *hsp;
2609 	struct lpfc_fdmi_attr_entry *ae;
2610 	uint32_t size;
2611 
2612 	ae = &ad->AttrValue;
2613 
2614 	hsp = (struct serv_parm *)&vport->fc_sparam;
2615 	ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
2616 			  (uint32_t) hsp->cmn.bbRcvSizeLsb;
2617 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2618 	size = FOURBYTES + sizeof(uint32_t);
2619 	ad->AttrLen = cpu_to_be16(size);
2620 	ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
2621 	return size;
2622 }
2623 
2624 static int
2625 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
2626 			       struct lpfc_fdmi_attr_def *ad)
2627 {
2628 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2629 	struct lpfc_fdmi_attr_entry *ae;
2630 	uint32_t len, size;
2631 
2632 	ae = &ad->AttrValue;
2633 	memset(ae, 0, sizeof(*ae));
2634 
2635 	snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
2636 		 "/sys/class/scsi_host/host%d", shost->host_no);
2637 	len = strnlen((char *)ae->un.AttrString,
2638 			  sizeof(ae->un.AttrString));
2639 	len += (len & 3) ? (4 - (len & 3)) : 4;
2640 	size = FOURBYTES + len;
2641 	ad->AttrLen = cpu_to_be16(size);
2642 	ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
2643 	return size;
2644 }
2645 
2646 static int
2647 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
2648 			      struct lpfc_fdmi_attr_def *ad)
2649 {
2650 	struct lpfc_fdmi_attr_entry *ae;
2651 	uint32_t len, size;
2652 
2653 	ae = &ad->AttrValue;
2654 	memset(ae, 0, sizeof(*ae));
2655 
2656 	scnprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
2657 		  vport->phba->os_host_name);
2658 
2659 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2660 	len += (len & 3) ? (4 - (len & 3)) : 4;
2661 	size = FOURBYTES + len;
2662 	ad->AttrLen = cpu_to_be16(size);
2663 	ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
2664 	return size;
2665 }
2666 
2667 static int
2668 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
2669 			 struct lpfc_fdmi_attr_def *ad)
2670 {
2671 	struct lpfc_fdmi_attr_entry *ae;
2672 	uint32_t size;
2673 
2674 	ae = &ad->AttrValue;
2675 	memset(ae, 0, sizeof(*ae));
2676 
2677 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2678 	       sizeof(struct lpfc_name));
2679 	size = FOURBYTES + sizeof(struct lpfc_name);
2680 	ad->AttrLen = cpu_to_be16(size);
2681 	ad->AttrType = cpu_to_be16(RPRT_NODENAME);
2682 	return size;
2683 }
2684 
2685 static int
2686 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
2687 			 struct lpfc_fdmi_attr_def *ad)
2688 {
2689 	struct lpfc_fdmi_attr_entry *ae;
2690 	uint32_t size;
2691 
2692 	ae = &ad->AttrValue;
2693 	memset(ae, 0, sizeof(*ae));
2694 
2695 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
2696 	       sizeof(struct lpfc_name));
2697 	size = FOURBYTES + sizeof(struct lpfc_name);
2698 	ad->AttrLen = cpu_to_be16(size);
2699 	ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
2700 	return size;
2701 }
2702 
2703 static int
2704 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
2705 				  struct lpfc_fdmi_attr_def *ad)
2706 {
2707 	struct lpfc_fdmi_attr_entry *ae;
2708 	uint32_t len, size;
2709 
2710 	ae = &ad->AttrValue;
2711 	memset(ae, 0, sizeof(*ae));
2712 
2713 	len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
2714 	len += (len & 3) ? (4 - (len & 3)) : 4;
2715 	size = FOURBYTES + len;
2716 	ad->AttrLen = cpu_to_be16(size);
2717 	ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
2718 	return size;
2719 }
2720 
2721 static int
2722 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
2723 			      struct lpfc_fdmi_attr_def *ad)
2724 {
2725 	struct lpfc_hba *phba = vport->phba;
2726 	struct lpfc_fdmi_attr_entry *ae;
2727 	uint32_t size;
2728 
2729 	ae = &ad->AttrValue;
2730 	if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
2731 		ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
2732 	else
2733 		ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
2734 	size = FOURBYTES + sizeof(uint32_t);
2735 	ad->AttrLen = cpu_to_be16(size);
2736 	ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
2737 	return size;
2738 }
2739 
2740 static int
2741 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
2742 			  struct lpfc_fdmi_attr_def *ad)
2743 {
2744 	struct lpfc_fdmi_attr_entry *ae;
2745 	uint32_t size;
2746 
2747 	ae = &ad->AttrValue;
2748 	ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
2749 	size = FOURBYTES + sizeof(uint32_t);
2750 	ad->AttrLen = cpu_to_be16(size);
2751 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
2752 	return size;
2753 }
2754 
2755 static int
2756 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
2757 				struct lpfc_fdmi_attr_def *ad)
2758 {
2759 	struct lpfc_fdmi_attr_entry *ae;
2760 	uint32_t size;
2761 
2762 	ae = &ad->AttrValue;
2763 	memset(ae, 0, sizeof(*ae));
2764 
2765 	memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
2766 	       sizeof(struct lpfc_name));
2767 	size = FOURBYTES + sizeof(struct lpfc_name);
2768 	ad->AttrLen = cpu_to_be16(size);
2769 	ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
2770 	return size;
2771 }
2772 
2773 static int
2774 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
2775 				   struct lpfc_fdmi_attr_def *ad)
2776 {
2777 	struct lpfc_fdmi_attr_entry *ae;
2778 	uint32_t size;
2779 
2780 	ae = &ad->AttrValue;
2781 	memset(ae, 0, sizeof(*ae));
2782 
2783 	ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
2784 	ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
2785 
2786 	/* Check to see if NVME is configured or not */
2787 	if (vport->phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
2788 		ae->un.AttrTypes[6] = 0x1; /* Type 0x28 - NVME */
2789 
2790 	size = FOURBYTES + 32;
2791 	ad->AttrLen = cpu_to_be16(size);
2792 	ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
2793 	return size;
2794 }
2795 
2796 static int
2797 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
2798 			       struct lpfc_fdmi_attr_def *ad)
2799 {
2800 	struct lpfc_fdmi_attr_entry *ae;
2801 	uint32_t size;
2802 
2803 	ae = &ad->AttrValue;
2804 	/* Link Up - operational */
2805 	ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
2806 	size = FOURBYTES + sizeof(uint32_t);
2807 	ad->AttrLen = cpu_to_be16(size);
2808 	ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
2809 	return size;
2810 }
2811 
2812 static int
2813 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
2814 			     struct lpfc_fdmi_attr_def *ad)
2815 {
2816 	struct lpfc_fdmi_attr_entry *ae;
2817 	uint32_t size;
2818 
2819 	ae = &ad->AttrValue;
2820 	vport->fdmi_num_disc = lpfc_find_map_node(vport);
2821 	ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
2822 	size = FOURBYTES + sizeof(uint32_t);
2823 	ad->AttrLen = cpu_to_be16(size);
2824 	ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
2825 	return size;
2826 }
2827 
2828 static int
2829 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
2830 			    struct lpfc_fdmi_attr_def *ad)
2831 {
2832 	struct lpfc_fdmi_attr_entry *ae;
2833 	uint32_t size;
2834 
2835 	ae = &ad->AttrValue;
2836 	ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
2837 	size = FOURBYTES + sizeof(uint32_t);
2838 	ad->AttrLen = cpu_to_be16(size);
2839 	ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
2840 	return size;
2841 }
2842 
2843 static int
2844 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
2845 			     struct lpfc_fdmi_attr_def *ad)
2846 {
2847 	struct lpfc_fdmi_attr_entry *ae;
2848 	uint32_t len, size;
2849 
2850 	ae = &ad->AttrValue;
2851 	memset(ae, 0, sizeof(*ae));
2852 
2853 	strncpy(ae->un.AttrString, "Smart SAN Initiator",
2854 		sizeof(ae->un.AttrString));
2855 	len = strnlen(ae->un.AttrString,
2856 			  sizeof(ae->un.AttrString));
2857 	len += (len & 3) ? (4 - (len & 3)) : 4;
2858 	size = FOURBYTES + len;
2859 	ad->AttrLen = cpu_to_be16(size);
2860 	ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
2861 	return size;
2862 }
2863 
2864 static int
2865 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
2866 			  struct lpfc_fdmi_attr_def *ad)
2867 {
2868 	struct lpfc_fdmi_attr_entry *ae;
2869 	uint32_t size;
2870 
2871 	ae = &ad->AttrValue;
2872 	memset(ae, 0, sizeof(*ae));
2873 
2874 	memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
2875 	       sizeof(struct lpfc_name));
2876 	memcpy((((uint8_t *)&ae->un.AttrString) +
2877 		sizeof(struct lpfc_name)),
2878 		&vport->fc_sparam.portName, sizeof(struct lpfc_name));
2879 	size = FOURBYTES + (2 * sizeof(struct lpfc_name));
2880 	ad->AttrLen =  cpu_to_be16(size);
2881 	ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
2882 	return size;
2883 }
2884 
2885 static int
2886 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
2887 			     struct lpfc_fdmi_attr_def *ad)
2888 {
2889 	struct lpfc_fdmi_attr_entry *ae;
2890 	uint32_t len, size;
2891 
2892 	ae = &ad->AttrValue;
2893 	memset(ae, 0, sizeof(*ae));
2894 
2895 	strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
2896 		sizeof(ae->un.AttrString));
2897 	len = strnlen(ae->un.AttrString,
2898 			  sizeof(ae->un.AttrString));
2899 	len += (len & 3) ? (4 - (len & 3)) : 4;
2900 	size = FOURBYTES + len;
2901 	ad->AttrLen =  cpu_to_be16(size);
2902 	ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
2903 	return size;
2904 }
2905 
2906 static int
2907 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
2908 			   struct lpfc_fdmi_attr_def *ad)
2909 {
2910 	struct lpfc_hba *phba = vport->phba;
2911 	struct lpfc_fdmi_attr_entry *ae;
2912 	uint32_t len, size;
2913 
2914 	ae = &ad->AttrValue;
2915 	memset(ae, 0, sizeof(*ae));
2916 
2917 	strncpy(ae->un.AttrString, phba->ModelName,
2918 		sizeof(ae->un.AttrString));
2919 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2920 	len += (len & 3) ? (4 - (len & 3)) : 4;
2921 	size = FOURBYTES + len;
2922 	ad->AttrLen = cpu_to_be16(size);
2923 	ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
2924 	return size;
2925 }
2926 
2927 static int
2928 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
2929 			       struct lpfc_fdmi_attr_def *ad)
2930 {
2931 	struct lpfc_fdmi_attr_entry *ae;
2932 	uint32_t size;
2933 
2934 	ae = &ad->AttrValue;
2935 
2936 	/* SRIOV (type 3) is not supported */
2937 	if (vport->vpi)
2938 		ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
2939 	else
2940 		ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
2941 	size = FOURBYTES + sizeof(uint32_t);
2942 	ad->AttrLen = cpu_to_be16(size);
2943 	ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
2944 	return size;
2945 }
2946 
2947 static int
2948 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
2949 			 struct lpfc_fdmi_attr_def *ad)
2950 {
2951 	struct lpfc_fdmi_attr_entry *ae;
2952 	uint32_t size;
2953 
2954 	ae = &ad->AttrValue;
2955 	ae->un.AttrInt =  cpu_to_be32(0);
2956 	size = FOURBYTES + sizeof(uint32_t);
2957 	ad->AttrLen = cpu_to_be16(size);
2958 	ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
2959 	return size;
2960 }
2961 
2962 static int
2963 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
2964 			      struct lpfc_fdmi_attr_def *ad)
2965 {
2966 	struct lpfc_fdmi_attr_entry *ae;
2967 	uint32_t size;
2968 
2969 	ae = &ad->AttrValue;
2970 	ae->un.AttrInt =  cpu_to_be32(1);
2971 	size = FOURBYTES + sizeof(uint32_t);
2972 	ad->AttrLen = cpu_to_be16(size);
2973 	ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
2974 	return size;
2975 }
2976 
2977 /* RHBA attribute jump table */
2978 int (*lpfc_fdmi_hba_action[])
2979 	(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2980 	/* Action routine                 Mask bit     Attribute type */
2981 	lpfc_fdmi_hba_attr_wwnn,	  /* bit0     RHBA_NODENAME           */
2982 	lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
2983 	lpfc_fdmi_hba_attr_sn,		  /* bit2     RHBA_SERIAL_NUMBER      */
2984 	lpfc_fdmi_hba_attr_model,	  /* bit3     RHBA_MODEL              */
2985 	lpfc_fdmi_hba_attr_description,	  /* bit4     RHBA_MODEL_DESCRIPTION  */
2986 	lpfc_fdmi_hba_attr_hdw_ver,	  /* bit5     RHBA_HARDWARE_VERSION   */
2987 	lpfc_fdmi_hba_attr_drvr_ver,	  /* bit6     RHBA_DRIVER_VERSION     */
2988 	lpfc_fdmi_hba_attr_rom_ver,	  /* bit7     RHBA_OPTION_ROM_VERSION */
2989 	lpfc_fdmi_hba_attr_fmw_ver,	  /* bit8     RHBA_FIRMWARE_VERSION   */
2990 	lpfc_fdmi_hba_attr_os_ver,	  /* bit9     RHBA_OS_NAME_VERSION    */
2991 	lpfc_fdmi_hba_attr_ct_len,	  /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
2992 	lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
2993 	lpfc_fdmi_hba_attr_vendor_info,	  /* bit12    RHBA_VENDOR_INFO        */
2994 	lpfc_fdmi_hba_attr_num_ports,	  /* bit13    RHBA_NUM_PORTS          */
2995 	lpfc_fdmi_hba_attr_fabric_wwnn,	  /* bit14    RHBA_FABRIC_WWNN        */
2996 	lpfc_fdmi_hba_attr_bios_ver,	  /* bit15    RHBA_BIOS_VERSION       */
2997 	lpfc_fdmi_hba_attr_bios_state,	  /* bit16    RHBA_BIOS_STATE         */
2998 	lpfc_fdmi_hba_attr_vendor_id,	  /* bit17    RHBA_VENDOR_ID          */
2999 };
3000 
3001 /* RPA / RPRT attribute jump table */
3002 int (*lpfc_fdmi_port_action[])
3003 	(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3004 	/* Action routine                   Mask bit   Attribute type */
3005 	lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
3006 	lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
3007 	lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
3008 	lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
3009 	lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
3010 	lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
3011 	lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
3012 	lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
3013 	lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
3014 	lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
3015 	lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
3016 	lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
3017 	lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
3018 	lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
3019 	lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
3020 	lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
3021 	lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
3022 	lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
3023 	lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
3024 	lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
3025 	lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
3026 	lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
3027 	lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
3028 };
3029 
3030 /**
3031  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
3032  * @vport: pointer to a host virtual N_Port data structure.
3033  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3034  * @cmdcode: FDMI command to send
3035  * @new_mask: Mask of HBA or PORT Attributes to send
3036  *
3037  * Builds and sends a FDMI command using the CT subsystem.
3038  */
3039 int
3040 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3041 	      int cmdcode, uint32_t new_mask)
3042 {
3043 	struct lpfc_hba *phba = vport->phba;
3044 	struct lpfc_dmabuf *mp, *bmp;
3045 	struct lpfc_sli_ct_request *CtReq;
3046 	struct ulp_bde64 *bpl;
3047 	uint32_t bit_pos;
3048 	uint32_t size;
3049 	uint32_t rsp_size;
3050 	uint32_t mask;
3051 	struct lpfc_fdmi_reg_hba *rh;
3052 	struct lpfc_fdmi_port_entry *pe;
3053 	struct lpfc_fdmi_reg_portattr *pab = NULL;
3054 	struct lpfc_fdmi_attr_block *ab = NULL;
3055 	int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
3056 	void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
3057 		     struct lpfc_iocbq *);
3058 
3059 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
3060 		return 0;
3061 
3062 	cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
3063 
3064 	/* fill in BDEs for command */
3065 	/* Allocate buffer for command payload */
3066 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3067 	if (!mp)
3068 		goto fdmi_cmd_exit;
3069 
3070 	mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
3071 	if (!mp->virt)
3072 		goto fdmi_cmd_free_mp;
3073 
3074 	/* Allocate buffer for Buffer ptr list */
3075 	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3076 	if (!bmp)
3077 		goto fdmi_cmd_free_mpvirt;
3078 
3079 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
3080 	if (!bmp->virt)
3081 		goto fdmi_cmd_free_bmp;
3082 
3083 	INIT_LIST_HEAD(&mp->list);
3084 	INIT_LIST_HEAD(&bmp->list);
3085 
3086 	/* FDMI request */
3087 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3088 			 "0218 FDMI Request Data: x%x x%x x%x\n",
3089 			 vport->fc_flag, vport->port_state, cmdcode);
3090 	CtReq = (struct lpfc_sli_ct_request *)mp->virt;
3091 
3092 	/* First populate the CT_IU preamble */
3093 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
3094 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
3095 	CtReq->RevisionId.bits.InId = 0;
3096 
3097 	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3098 	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
3099 
3100 	CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3101 	rsp_size = LPFC_BPL_SIZE;
3102 	size = 0;
3103 
3104 	/* Next fill in the specific FDMI cmd information */
3105 	switch (cmdcode) {
3106 	case SLI_MGMT_RHAT:
3107 	case SLI_MGMT_RHBA:
3108 		rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
3109 		/* HBA Identifier */
3110 		memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3111 		       sizeof(struct lpfc_name));
3112 
3113 		if (cmdcode == SLI_MGMT_RHBA) {
3114 			/* Registered Port List */
3115 			/* One entry (port) per adapter */
3116 			rh->rpl.EntryCnt = cpu_to_be32(1);
3117 			memcpy(&rh->rpl.pe.PortName,
3118 			       &phba->pport->fc_sparam.portName,
3119 			       sizeof(struct lpfc_name));
3120 
3121 			/* point to the HBA attribute block */
3122 			size = 2 * sizeof(struct lpfc_name) +
3123 				FOURBYTES;
3124 		} else {
3125 			size = sizeof(struct lpfc_name);
3126 		}
3127 		ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3128 		ab->EntryCnt = 0;
3129 		size += FOURBYTES;
3130 		bit_pos = 0;
3131 		if (new_mask)
3132 			mask = new_mask;
3133 		else
3134 			mask = vport->fdmi_hba_mask;
3135 
3136 		/* Mask will dictate what attributes to build in the request */
3137 		while (mask) {
3138 			if (mask & 0x1) {
3139 				func = lpfc_fdmi_hba_action[bit_pos];
3140 				size += func(vport,
3141 					     (struct lpfc_fdmi_attr_def *)
3142 					     ((uint8_t *)rh + size));
3143 				ab->EntryCnt++;
3144 				if ((size + 256) >
3145 				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3146 					goto hba_out;
3147 			}
3148 			mask = mask >> 1;
3149 			bit_pos++;
3150 		}
3151 hba_out:
3152 		ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3153 		/* Total size */
3154 		size = GID_REQUEST_SZ - 4 + size;
3155 		break;
3156 
3157 	case SLI_MGMT_RPRT:
3158 	case SLI_MGMT_RPA:
3159 		pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
3160 		if (cmdcode == SLI_MGMT_RPRT) {
3161 			rh = (struct lpfc_fdmi_reg_hba *)pab;
3162 			/* HBA Identifier */
3163 			memcpy(&rh->hi.PortName,
3164 			       &phba->pport->fc_sparam.portName,
3165 			       sizeof(struct lpfc_name));
3166 			pab = (struct lpfc_fdmi_reg_portattr *)
3167 				((uint8_t *)pab +  sizeof(struct lpfc_name));
3168 		}
3169 
3170 		memcpy((uint8_t *)&pab->PortName,
3171 		       (uint8_t *)&vport->fc_sparam.portName,
3172 		       sizeof(struct lpfc_name));
3173 		size += sizeof(struct lpfc_name) + FOURBYTES;
3174 		pab->ab.EntryCnt = 0;
3175 		bit_pos = 0;
3176 		if (new_mask)
3177 			mask = new_mask;
3178 		else
3179 			mask = vport->fdmi_port_mask;
3180 
3181 		/* Mask will dictate what attributes to build in the request */
3182 		while (mask) {
3183 			if (mask & 0x1) {
3184 				func = lpfc_fdmi_port_action[bit_pos];
3185 				size += func(vport,
3186 					     (struct lpfc_fdmi_attr_def *)
3187 					     ((uint8_t *)pab + size));
3188 				pab->ab.EntryCnt++;
3189 				if ((size + 256) >
3190 				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3191 					goto port_out;
3192 			}
3193 			mask = mask >> 1;
3194 			bit_pos++;
3195 		}
3196 port_out:
3197 		pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3198 		/* Total size */
3199 		if (cmdcode == SLI_MGMT_RPRT)
3200 			size += sizeof(struct lpfc_name);
3201 		size = GID_REQUEST_SZ - 4 + size;
3202 		break;
3203 
3204 	case SLI_MGMT_GHAT:
3205 	case SLI_MGMT_GRPL:
3206 		rsp_size = FC_MAX_NS_RSP;
3207 		fallthrough;
3208 	case SLI_MGMT_DHBA:
3209 	case SLI_MGMT_DHAT:
3210 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3211 		memcpy((uint8_t *)&pe->PortName,
3212 		       (uint8_t *)&vport->fc_sparam.portName,
3213 		       sizeof(struct lpfc_name));
3214 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3215 		break;
3216 
3217 	case SLI_MGMT_GPAT:
3218 	case SLI_MGMT_GPAS:
3219 		rsp_size = FC_MAX_NS_RSP;
3220 		fallthrough;
3221 	case SLI_MGMT_DPRT:
3222 	case SLI_MGMT_DPA:
3223 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3224 		memcpy((uint8_t *)&pe->PortName,
3225 		       (uint8_t *)&vport->fc_sparam.portName,
3226 		       sizeof(struct lpfc_name));
3227 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3228 		break;
3229 	case SLI_MGMT_GRHL:
3230 		size = GID_REQUEST_SZ - 4;
3231 		break;
3232 	default:
3233 		lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3234 				 "0298 FDMI cmdcode x%x not supported\n",
3235 				 cmdcode);
3236 		goto fdmi_cmd_free_bmpvirt;
3237 	}
3238 	CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3239 
3240 	bpl = (struct ulp_bde64 *)bmp->virt;
3241 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
3242 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
3243 	bpl->tus.f.bdeFlags = 0;
3244 	bpl->tus.f.bdeSize = size;
3245 
3246 	/*
3247 	 * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3248 	 * to hold ndlp reference for the corresponding callback function.
3249 	 */
3250 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
3251 		return 0;
3252 
3253 	/*
3254 	 * Decrement ndlp reference count to release ndlp reference held
3255 	 * for the failed command's callback function.
3256 	 */
3257 	lpfc_nlp_put(ndlp);
3258 
3259 fdmi_cmd_free_bmpvirt:
3260 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3261 fdmi_cmd_free_bmp:
3262 	kfree(bmp);
3263 fdmi_cmd_free_mpvirt:
3264 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
3265 fdmi_cmd_free_mp:
3266 	kfree(mp);
3267 fdmi_cmd_exit:
3268 	/* Issue FDMI request failed */
3269 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3270 			 "0244 Issue FDMI request failed Data: x%x\n",
3271 			 cmdcode);
3272 	return 1;
3273 }
3274 
3275 /**
3276  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3277  * @t: Context object of the timer.
3278  *
3279  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3280  * the worker thread.
3281  **/
3282 void
3283 lpfc_delayed_disc_tmo(struct timer_list *t)
3284 {
3285 	struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3286 	struct lpfc_hba   *phba = vport->phba;
3287 	uint32_t tmo_posted;
3288 	unsigned long iflag;
3289 
3290 	spin_lock_irqsave(&vport->work_port_lock, iflag);
3291 	tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3292 	if (!tmo_posted)
3293 		vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3294 	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3295 
3296 	if (!tmo_posted)
3297 		lpfc_worker_wake_up(phba);
3298 	return;
3299 }
3300 
3301 /**
3302  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3303  *      handle delayed discovery.
3304  * @vport: pointer to a host virtual N_Port data structure.
3305  *
3306  * This function start nport discovery of the vport.
3307  **/
3308 void
3309 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3310 {
3311 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3312 
3313 	spin_lock_irq(shost->host_lock);
3314 	if (!(vport->fc_flag & FC_DISC_DELAYED)) {
3315 		spin_unlock_irq(shost->host_lock);
3316 		return;
3317 	}
3318 	vport->fc_flag &= ~FC_DISC_DELAYED;
3319 	spin_unlock_irq(shost->host_lock);
3320 
3321 	lpfc_do_scr_ns_plogi(vport->phba, vport);
3322 }
3323 
3324 void
3325 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3326 {
3327 	struct lpfc_sli *psli = &phba->sli;
3328 	lpfc_vpd_t *vp = &phba->vpd;
3329 	uint32_t b1, b2, b3, b4, i, rev;
3330 	char c;
3331 	uint32_t *ptr, str[4];
3332 	uint8_t *fwname;
3333 
3334 	if (phba->sli_rev == LPFC_SLI_REV4)
3335 		snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3336 	else if (vp->rev.rBit) {
3337 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
3338 			rev = vp->rev.sli2FwRev;
3339 		else
3340 			rev = vp->rev.sli1FwRev;
3341 
3342 		b1 = (rev & 0x0000f000) >> 12;
3343 		b2 = (rev & 0x00000f00) >> 8;
3344 		b3 = (rev & 0x000000c0) >> 6;
3345 		b4 = (rev & 0x00000030) >> 4;
3346 
3347 		switch (b4) {
3348 		case 0:
3349 			c = 'N';
3350 			break;
3351 		case 1:
3352 			c = 'A';
3353 			break;
3354 		case 2:
3355 			c = 'B';
3356 			break;
3357 		case 3:
3358 			c = 'X';
3359 			break;
3360 		default:
3361 			c = 0;
3362 			break;
3363 		}
3364 		b4 = (rev & 0x0000000f);
3365 
3366 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
3367 			fwname = vp->rev.sli2FwName;
3368 		else
3369 			fwname = vp->rev.sli1FwName;
3370 
3371 		for (i = 0; i < 16; i++)
3372 			if (fwname[i] == 0x20)
3373 				fwname[i] = 0;
3374 
3375 		ptr = (uint32_t*)fwname;
3376 
3377 		for (i = 0; i < 3; i++)
3378 			str[i] = be32_to_cpu(*ptr++);
3379 
3380 		if (c == 0) {
3381 			if (flag)
3382 				sprintf(fwrevision, "%d.%d%d (%s)",
3383 					b1, b2, b3, (char *)str);
3384 			else
3385 				sprintf(fwrevision, "%d.%d%d", b1,
3386 					b2, b3);
3387 		} else {
3388 			if (flag)
3389 				sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3390 					b1, b2, b3, c,
3391 					b4, (char *)str);
3392 			else
3393 				sprintf(fwrevision, "%d.%d%d%c%d",
3394 					b1, b2, b3, c, b4);
3395 		}
3396 	} else {
3397 		rev = vp->rev.smFwRev;
3398 
3399 		b1 = (rev & 0xff000000) >> 24;
3400 		b2 = (rev & 0x00f00000) >> 20;
3401 		b3 = (rev & 0x000f0000) >> 16;
3402 		c  = (rev & 0x0000ff00) >> 8;
3403 		b4 = (rev & 0x000000ff);
3404 
3405 		sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3406 	}
3407 	return;
3408 }
3409