xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_ct.c (revision 62e59c4e)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017-2019 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_nvme.h"
48 #include "lpfc_logmsg.h"
49 #include "lpfc_crtn.h"
50 #include "lpfc_version.h"
51 #include "lpfc_vport.h"
52 #include "lpfc_debugfs.h"
53 
54 /* FDMI Port Speed definitions - FC-GS-7 */
55 #define HBA_PORTSPEED_1GFC		0x00000001	/* 1G FC */
56 #define HBA_PORTSPEED_2GFC		0x00000002	/* 2G FC */
57 #define HBA_PORTSPEED_4GFC		0x00000008	/* 4G FC */
58 #define HBA_PORTSPEED_10GFC		0x00000004	/* 10G FC */
59 #define HBA_PORTSPEED_8GFC		0x00000010	/* 8G FC */
60 #define HBA_PORTSPEED_16GFC		0x00000020	/* 16G FC */
61 #define HBA_PORTSPEED_32GFC		0x00000040	/* 32G FC */
62 #define HBA_PORTSPEED_20GFC		0x00000080	/* 20G FC */
63 #define HBA_PORTSPEED_40GFC		0x00000100	/* 40G FC */
64 #define HBA_PORTSPEED_128GFC		0x00000200	/* 128G FC */
65 #define HBA_PORTSPEED_64GFC		0x00000400	/* 64G FC */
66 #define HBA_PORTSPEED_256GFC		0x00000800	/* 256G FC */
67 #define HBA_PORTSPEED_UNKNOWN		0x00008000	/* Unknown */
68 #define HBA_PORTSPEED_10GE		0x00010000	/* 10G E */
69 #define HBA_PORTSPEED_40GE		0x00020000	/* 40G E */
70 #define HBA_PORTSPEED_100GE		0x00040000	/* 100G E */
71 #define HBA_PORTSPEED_25GE		0x00080000	/* 25G E */
72 #define HBA_PORTSPEED_50GE		0x00100000	/* 50G E */
73 #define HBA_PORTSPEED_400GE		0x00200000	/* 400G E */
74 
75 #define FOURBYTES	4
76 
77 
78 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
79 
80 static void
81 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
82 			  struct lpfc_dmabuf *mp, uint32_t size)
83 {
84 	if (!mp) {
85 		lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
86 				"0146 Ignoring unsolicited CT No HBQ "
87 				"status = x%x\n",
88 				piocbq->iocb.ulpStatus);
89 	}
90 	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
91 			"0145 Ignoring unsolicted CT HBQ Size:%d "
92 			"status = x%x\n",
93 			size, piocbq->iocb.ulpStatus);
94 }
95 
96 static void
97 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
98 		     struct lpfc_dmabuf *mp, uint32_t size)
99 {
100 	lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
101 }
102 
103 void
104 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
105 		    struct lpfc_iocbq *piocbq)
106 {
107 	struct lpfc_dmabuf *mp = NULL;
108 	IOCB_t *icmd = &piocbq->iocb;
109 	int i;
110 	struct lpfc_iocbq *iocbq;
111 	dma_addr_t paddr;
112 	uint32_t size;
113 	struct list_head head;
114 	struct lpfc_dmabuf *bdeBuf;
115 
116 	if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
117 		return;
118 
119 	if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
120 		lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
121 	} else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
122 		   ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) ==
123 		   IOERR_RCV_BUFFER_WAITING)) {
124 		/* Not enough posted buffers; Try posting more buffers */
125 		phba->fc_stat.NoRcvBuf++;
126 		if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
127 			lpfc_post_buffer(phba, pring, 2);
128 		return;
129 	}
130 
131 	/* If there are no BDEs associated with this IOCB,
132 	 * there is nothing to do.
133 	 */
134 	if (icmd->ulpBdeCount == 0)
135 		return;
136 
137 	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
138 		INIT_LIST_HEAD(&head);
139 		list_add_tail(&head, &piocbq->list);
140 		list_for_each_entry(iocbq, &head, list) {
141 			icmd = &iocbq->iocb;
142 			if (icmd->ulpBdeCount == 0)
143 				continue;
144 			bdeBuf = iocbq->context2;
145 			iocbq->context2 = NULL;
146 			size  = icmd->un.cont64[0].tus.f.bdeSize;
147 			lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
148 			lpfc_in_buf_free(phba, bdeBuf);
149 			if (icmd->ulpBdeCount == 2) {
150 				bdeBuf = iocbq->context3;
151 				iocbq->context3 = NULL;
152 				size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
153 				lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
154 						     size);
155 				lpfc_in_buf_free(phba, bdeBuf);
156 			}
157 		}
158 		list_del(&head);
159 	} else {
160 		INIT_LIST_HEAD(&head);
161 		list_add_tail(&head, &piocbq->list);
162 		list_for_each_entry(iocbq, &head, list) {
163 			icmd = &iocbq->iocb;
164 			if (icmd->ulpBdeCount == 0)
165 				lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
166 			for (i = 0; i < icmd->ulpBdeCount; i++) {
167 				paddr = getPaddr(icmd->un.cont64[i].addrHigh,
168 						 icmd->un.cont64[i].addrLow);
169 				mp = lpfc_sli_ringpostbuf_get(phba, pring,
170 							      paddr);
171 				size = icmd->un.cont64[i].tus.f.bdeSize;
172 				lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
173 				lpfc_in_buf_free(phba, mp);
174 			}
175 			lpfc_post_buffer(phba, pring, i);
176 		}
177 		list_del(&head);
178 	}
179 }
180 
181 /**
182  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
183  * @phba: Pointer to HBA context object.
184  * @dmabuf: pointer to a dmabuf that describes the FC sequence
185  *
186  * This function serves as the upper level protocol abort handler for CT
187  * protocol.
188  *
189  * Return 1 if abort has been handled, 0 otherwise.
190  **/
191 int
192 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
193 {
194 	int handled;
195 
196 	/* CT upper level goes through BSG */
197 	handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
198 
199 	return handled;
200 }
201 
202 static void
203 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
204 {
205 	struct lpfc_dmabuf *mlast, *next_mlast;
206 
207 	list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
208 		lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
209 		list_del(&mlast->list);
210 		kfree(mlast);
211 	}
212 	lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
213 	kfree(mlist);
214 	return;
215 }
216 
217 static struct lpfc_dmabuf *
218 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
219 		  uint32_t size, int *entries)
220 {
221 	struct lpfc_dmabuf *mlist = NULL;
222 	struct lpfc_dmabuf *mp;
223 	int cnt, i = 0;
224 
225 	/* We get chunks of FCELSSIZE */
226 	cnt = size > FCELSSIZE ? FCELSSIZE: size;
227 
228 	while (size) {
229 		/* Allocate buffer for rsp payload */
230 		mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
231 		if (!mp) {
232 			if (mlist)
233 				lpfc_free_ct_rsp(phba, mlist);
234 			return NULL;
235 		}
236 
237 		INIT_LIST_HEAD(&mp->list);
238 
239 		if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
240 		    cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
241 			mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
242 		else
243 			mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
244 
245 		if (!mp->virt) {
246 			kfree(mp);
247 			if (mlist)
248 				lpfc_free_ct_rsp(phba, mlist);
249 			return NULL;
250 		}
251 
252 		/* Queue it to a linked list */
253 		if (!mlist)
254 			mlist = mp;
255 		else
256 			list_add_tail(&mp->list, &mlist->list);
257 
258 		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
259 		/* build buffer ptr list for IOCB */
260 		bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
261 		bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
262 		bpl->tus.f.bdeSize = (uint16_t) cnt;
263 		bpl->tus.w = le32_to_cpu(bpl->tus.w);
264 		bpl++;
265 
266 		i++;
267 		size -= cnt;
268 	}
269 
270 	*entries = i;
271 	return mlist;
272 }
273 
274 int
275 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
276 {
277 	struct lpfc_dmabuf *buf_ptr;
278 
279 	if (ctiocb->context_un.ndlp) {
280 		lpfc_nlp_put(ctiocb->context_un.ndlp);
281 		ctiocb->context_un.ndlp = NULL;
282 	}
283 	if (ctiocb->context1) {
284 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
285 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
286 		kfree(buf_ptr);
287 		ctiocb->context1 = NULL;
288 	}
289 	if (ctiocb->context2) {
290 		lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
291 		ctiocb->context2 = NULL;
292 	}
293 
294 	if (ctiocb->context3) {
295 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
296 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
297 		kfree(buf_ptr);
298 		ctiocb->context3 = NULL;
299 	}
300 	lpfc_sli_release_iocbq(phba, ctiocb);
301 	return 0;
302 }
303 
304 /**
305  * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
306  * @vport: pointer to a host virtual N_Port data structure.
307  * @bmp: Pointer to BPL for SLI command
308  * @inp: Pointer to data buffer for response data.
309  * @outp: Pointer to data buffer that hold the CT command.
310  * @cmpl: completion routine to call when command completes
311  * @ndlp: Destination NPort nodelist entry
312  *
313  * This function as the final part for issuing a CT command.
314  */
315 static int
316 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
317 	     struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
318 	     void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
319 		     struct lpfc_iocbq *),
320 	     struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
321 	     uint32_t tmo, uint8_t retry)
322 {
323 	struct lpfc_hba  *phba = vport->phba;
324 	IOCB_t *icmd;
325 	struct lpfc_iocbq *geniocb;
326 	int rc;
327 
328 	/* Allocate buffer for  command iocb */
329 	geniocb = lpfc_sli_get_iocbq(phba);
330 
331 	if (geniocb == NULL)
332 		return 1;
333 
334 	icmd = &geniocb->iocb;
335 	icmd->un.genreq64.bdl.ulpIoTag32 = 0;
336 	icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
337 	icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
338 	icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
339 	icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64));
340 
341 	if (usr_flg)
342 		geniocb->context3 = NULL;
343 	else
344 		geniocb->context3 = (uint8_t *) bmp;
345 
346 	/* Save for completion so we can release these resources */
347 	geniocb->context1 = (uint8_t *) inp;
348 	geniocb->context2 = (uint8_t *) outp;
349 	geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
350 
351 	/* Fill in payload, bp points to frame payload */
352 	icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
353 
354 	/* Fill in rest of iocb */
355 	icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
356 	icmd->un.genreq64.w5.hcsw.Dfctl = 0;
357 	icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
358 	icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
359 
360 	if (!tmo) {
361 		 /* FC spec states we need 3 * ratov for CT requests */
362 		tmo = (3 * phba->fc_ratov);
363 	}
364 	icmd->ulpTimeout = tmo;
365 	icmd->ulpBdeCount = 1;
366 	icmd->ulpLe = 1;
367 	icmd->ulpClass = CLASS3;
368 	icmd->ulpContext = ndlp->nlp_rpi;
369 	if (phba->sli_rev == LPFC_SLI_REV4)
370 		icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
371 
372 	if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
373 		/* For GEN_REQUEST64_CR, use the RPI */
374 		icmd->ulpCt_h = 0;
375 		icmd->ulpCt_l = 0;
376 	}
377 
378 	/* Issue GEN REQ IOCB for NPORT <did> */
379 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
380 			 "0119 Issue GEN REQ IOCB to NPORT x%x "
381 			 "Data: x%x x%x\n",
382 			 ndlp->nlp_DID, icmd->ulpIoTag,
383 			 vport->port_state);
384 	geniocb->iocb_cmpl = cmpl;
385 	geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
386 	geniocb->vport = vport;
387 	geniocb->retry = retry;
388 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
389 
390 	if (rc == IOCB_ERROR) {
391 		lpfc_sli_release_iocbq(phba, geniocb);
392 		return 1;
393 	}
394 
395 	return 0;
396 }
397 
398 /**
399  * lpfc_ct_cmd - Build and issue a CT command
400  * @vport: pointer to a host virtual N_Port data structure.
401  * @inmp: Pointer to data buffer for response data.
402  * @bmp: Pointer to BPL for SLI command
403  * @ndlp: Destination NPort nodelist entry
404  * @cmpl: completion routine to call when command completes
405  *
406  * This function is called for issuing a CT command.
407  */
408 static int
409 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
410 	    struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
411 	    void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
412 			  struct lpfc_iocbq *),
413 	    uint32_t rsp_size, uint8_t retry)
414 {
415 	struct lpfc_hba  *phba = vport->phba;
416 	struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
417 	struct lpfc_dmabuf *outmp;
418 	int cnt = 0, status;
419 	int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
420 		CommandResponse.bits.CmdRsp;
421 
422 	bpl++;			/* Skip past ct request */
423 
424 	/* Put buffer(s) for ct rsp in bpl */
425 	outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
426 	if (!outmp)
427 		return -ENOMEM;
428 	/*
429 	 * Form the CT IOCB.  The total number of BDEs in this IOCB
430 	 * is the single command plus response count from
431 	 * lpfc_alloc_ct_rsp.
432 	 */
433 	cnt += 1;
434 	status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
435 			      cnt, 0, retry);
436 	if (status) {
437 		lpfc_free_ct_rsp(phba, outmp);
438 		return -ENOMEM;
439 	}
440 	return 0;
441 }
442 
443 struct lpfc_vport *
444 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
445 	struct lpfc_vport *vport_curr;
446 	unsigned long flags;
447 
448 	spin_lock_irqsave(&phba->port_list_lock, flags);
449 	list_for_each_entry(vport_curr, &phba->port_list, listentry) {
450 		if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
451 			spin_unlock_irqrestore(&phba->port_list_lock, flags);
452 			return vport_curr;
453 		}
454 	}
455 	spin_unlock_irqrestore(&phba->port_list_lock, flags);
456 	return NULL;
457 }
458 
459 static void
460 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
461 {
462 	struct lpfc_nodelist *ndlp;
463 
464 	if ((vport->port_type != LPFC_NPIV_PORT) ||
465 	    !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
466 
467 		ndlp = lpfc_setup_disc_node(vport, Did);
468 
469 		if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
470 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
471 				"Parse GID_FTrsp: did:x%x flg:x%x x%x",
472 				Did, ndlp->nlp_flag, vport->fc_flag);
473 
474 			/* By default, the driver expects to support FCP FC4 */
475 			if (fc4_type == FC_TYPE_FCP)
476 				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
477 
478 			if (fc4_type == FC_TYPE_NVME)
479 				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
480 
481 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
482 					 "0238 Process x%06x NameServer Rsp "
483 					 "Data: x%x x%x x%x x%x\n", Did,
484 					 ndlp->nlp_flag, ndlp->nlp_fc4_type,
485 					 vport->fc_flag,
486 					 vport->fc_rscn_id_cnt);
487 		} else {
488 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
489 				"Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
490 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
491 
492 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
493 					 "0239 Skip x%06x NameServer Rsp "
494 					 "Data: x%x x%x\n", Did,
495 					 vport->fc_flag,
496 					 vport->fc_rscn_id_cnt);
497 		}
498 	} else {
499 		if (!(vport->fc_flag & FC_RSCN_MODE) ||
500 		    lpfc_rscn_payload_check(vport, Did)) {
501 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
502 				"Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
503 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
504 
505 			/*
506 			 * This NPortID was previously a FCP/NVMe target,
507 			 * Don't even bother to send GFF_ID.
508 			 */
509 			ndlp = lpfc_findnode_did(vport, Did);
510 			if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
511 			    (ndlp->nlp_type &
512 			    (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
513 				if (fc4_type == FC_TYPE_FCP)
514 					ndlp->nlp_fc4_type |= NLP_FC4_FCP;
515 				if (fc4_type == FC_TYPE_NVME)
516 					ndlp->nlp_fc4_type |= NLP_FC4_NVME;
517 				lpfc_setup_disc_node(vport, Did);
518 			} else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
519 				   0, Did) == 0)
520 				vport->num_disc_nodes++;
521 			else
522 				lpfc_setup_disc_node(vport, Did);
523 		} else {
524 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
525 				"Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
526 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
527 
528 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
529 					 "0245 Skip x%06x NameServer Rsp "
530 					 "Data: x%x x%x\n", Did,
531 					 vport->fc_flag,
532 					 vport->fc_rscn_id_cnt);
533 		}
534 	}
535 }
536 
537 static void
538 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
539 {
540 	struct lpfc_hba *phba = vport->phba;
541 	struct lpfc_nodelist *ndlp = NULL;
542 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
543 	char *str;
544 
545 	if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
546 		str = "GID_FT";
547 	else
548 		str = "GID_PT";
549 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
550 			 "6430 Process %s rsp for %08x type %x %s %s\n",
551 			 str, Did, fc4_type,
552 			 (fc4_type == FC_TYPE_FCP) ?  "FCP" : " ",
553 			 (fc4_type == FC_TYPE_NVME) ?  "NVME" : " ");
554 	/*
555 	 * To conserve rpi's, filter out addresses for other
556 	 * vports on the same physical HBAs.
557 	 */
558 	if (Did != vport->fc_myDID &&
559 	    (!lpfc_find_vport_by_did(phba, Did) ||
560 	     vport->cfg_peer_port_login)) {
561 		if (!phba->nvmet_support) {
562 			/* FCPI/NVMEI path. Process Did */
563 			lpfc_prep_node_fc4type(vport, Did, fc4_type);
564 			return;
565 		}
566 		/* NVMET path.  NVMET only cares about NVMEI nodes. */
567 		list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
568 			if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
569 			    ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
570 				continue;
571 			spin_lock_irq(shost->host_lock);
572 			if (ndlp->nlp_DID == Did)
573 				ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
574 			else
575 				ndlp->nlp_flag |= NLP_NVMET_RECOV;
576 			spin_unlock_irq(shost->host_lock);
577 		}
578 	}
579 }
580 
581 static int
582 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
583 	    uint32_t Size)
584 {
585 	struct lpfc_sli_ct_request *Response =
586 		(struct lpfc_sli_ct_request *) mp->virt;
587 	struct lpfc_dmabuf *mlast, *next_mp;
588 	uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
589 	uint32_t Did, CTentry;
590 	int Cnt;
591 	struct list_head head;
592 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
593 	struct lpfc_nodelist *ndlp = NULL;
594 
595 	lpfc_set_disctmo(vport);
596 	vport->num_disc_nodes = 0;
597 	vport->fc_ns_retry = 0;
598 
599 
600 	list_add_tail(&head, &mp->list);
601 	list_for_each_entry_safe(mp, next_mp, &head, list) {
602 		mlast = mp;
603 
604 		Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
605 
606 		Size -= Cnt;
607 
608 		if (!ctptr) {
609 			ctptr = (uint32_t *) mlast->virt;
610 		} else
611 			Cnt -= 16;	/* subtract length of CT header */
612 
613 		/* Loop through entire NameServer list of DIDs */
614 		while (Cnt >= sizeof(uint32_t)) {
615 			/* Get next DID from NameServer List */
616 			CTentry = *ctptr++;
617 			Did = ((be32_to_cpu(CTentry)) & Mask_DID);
618 			lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
619 			if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
620 				goto nsout1;
621 
622 			Cnt -= sizeof(uint32_t);
623 		}
624 		ctptr = NULL;
625 
626 	}
627 
628 	/* All GID_FT entries processed.  If the driver is running in
629 	 * in target mode, put impacted nodes into recovery and drop
630 	 * the RPI to flush outstanding IO.
631 	 */
632 	if (vport->phba->nvmet_support) {
633 		list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
634 			if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
635 				continue;
636 			lpfc_disc_state_machine(vport, ndlp, NULL,
637 						NLP_EVT_DEVICE_RECOVERY);
638 			spin_lock_irq(shost->host_lock);
639 			ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
640 			spin_unlock_irq(shost->host_lock);
641 		}
642 	}
643 
644 nsout1:
645 	list_del(&head);
646 	return 0;
647 }
648 
649 static void
650 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
651 			struct lpfc_iocbq *rspiocb)
652 {
653 	struct lpfc_vport *vport = cmdiocb->vport;
654 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
655 	IOCB_t *irsp;
656 	struct lpfc_dmabuf *outp;
657 	struct lpfc_dmabuf *inp;
658 	struct lpfc_sli_ct_request *CTrsp;
659 	struct lpfc_sli_ct_request *CTreq;
660 	struct lpfc_nodelist *ndlp;
661 	int rc, type;
662 
663 	/* First save ndlp, before we overwrite it */
664 	ndlp = cmdiocb->context_un.ndlp;
665 
666 	/* we pass cmdiocb to state machine which needs rspiocb as well */
667 	cmdiocb->context_un.rsp_iocb = rspiocb;
668 	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
669 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
670 	irsp = &rspiocb->iocb;
671 
672 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
673 		 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
674 		irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
675 
676 	/* Don't bother processing response if vport is being torn down. */
677 	if (vport->load_flag & FC_UNLOADING) {
678 		if (vport->fc_flag & FC_RSCN_MODE)
679 			lpfc_els_flush_rscn(vport);
680 		goto out;
681 	}
682 
683 	if (lpfc_els_chk_latt(vport)) {
684 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
685 				 "0216 Link event during NS query\n");
686 		if (vport->fc_flag & FC_RSCN_MODE)
687 			lpfc_els_flush_rscn(vport);
688 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
689 		goto out;
690 	}
691 	if (lpfc_error_lost_link(irsp)) {
692 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
693 				 "0226 NS query failed due to link event\n");
694 		if (vport->fc_flag & FC_RSCN_MODE)
695 			lpfc_els_flush_rscn(vport);
696 		goto out;
697 	}
698 
699 	spin_lock_irq(shost->host_lock);
700 	if (vport->fc_flag & FC_RSCN_DEFERRED) {
701 		vport->fc_flag &= ~FC_RSCN_DEFERRED;
702 		spin_unlock_irq(shost->host_lock);
703 
704 		/* This is a GID_FT completing so the gidft_inp counter was
705 		 * incremented before the GID_FT was issued to the wire.
706 		 */
707 		vport->gidft_inp--;
708 
709 		/*
710 		 * Skip processing the NS response
711 		 * Re-issue the NS cmd
712 		 */
713 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
714 				 "0151 Process Deferred RSCN Data: x%x x%x\n",
715 				 vport->fc_flag, vport->fc_rscn_id_cnt);
716 		lpfc_els_handle_rscn(vport);
717 
718 		goto out;
719 	}
720 	spin_unlock_irq(shost->host_lock);
721 
722 	if (irsp->ulpStatus) {
723 		/* Check for retry */
724 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
725 			if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
726 			    (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
727 			    IOERR_NO_RESOURCES)
728 				vport->fc_ns_retry++;
729 
730 			type = lpfc_get_gidft_type(vport, cmdiocb);
731 			if (type == 0)
732 				goto out;
733 
734 			/* CT command is being retried */
735 			vport->gidft_inp--;
736 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
737 					 vport->fc_ns_retry, type);
738 			if (rc == 0)
739 				goto out;
740 		}
741 		if (vport->fc_flag & FC_RSCN_MODE)
742 			lpfc_els_flush_rscn(vport);
743 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
744 		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
745 				 "0257 GID_FT Query error: 0x%x 0x%x\n",
746 				 irsp->ulpStatus, vport->fc_ns_retry);
747 	} else {
748 		/* Good status, continue checking */
749 		CTreq = (struct lpfc_sli_ct_request *) inp->virt;
750 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
751 		if (CTrsp->CommandResponse.bits.CmdRsp ==
752 		    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
753 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
754 					 "0208 NameServer Rsp Data: x%x x%x\n",
755 					 vport->fc_flag,
756 					 CTreq->un.gid.Fc4Type);
757 
758 			lpfc_ns_rsp(vport,
759 				    outp,
760 				    CTreq->un.gid.Fc4Type,
761 				    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
762 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
763 			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
764 			/* NameServer Rsp Error */
765 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
766 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
767 				lpfc_printf_vlog(vport, KERN_INFO,
768 					LOG_DISCOVERY,
769 					"0269 No NameServer Entries "
770 					"Data: x%x x%x x%x x%x\n",
771 					CTrsp->CommandResponse.bits.CmdRsp,
772 					(uint32_t) CTrsp->ReasonCode,
773 					(uint32_t) CTrsp->Explanation,
774 					vport->fc_flag);
775 
776 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
777 				"GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
778 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
779 				(uint32_t) CTrsp->ReasonCode,
780 				(uint32_t) CTrsp->Explanation);
781 			} else {
782 				lpfc_printf_vlog(vport, KERN_INFO,
783 					LOG_DISCOVERY,
784 					"0240 NameServer Rsp Error "
785 					"Data: x%x x%x x%x x%x\n",
786 					CTrsp->CommandResponse.bits.CmdRsp,
787 					(uint32_t) CTrsp->ReasonCode,
788 					(uint32_t) CTrsp->Explanation,
789 					vport->fc_flag);
790 
791 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
792 				"GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
793 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
794 				(uint32_t) CTrsp->ReasonCode,
795 				(uint32_t) CTrsp->Explanation);
796 			}
797 
798 
799 		} else {
800 			/* NameServer Rsp Error */
801 			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
802 					"0241 NameServer Rsp Error "
803 					"Data: x%x x%x x%x x%x\n",
804 					CTrsp->CommandResponse.bits.CmdRsp,
805 					(uint32_t) CTrsp->ReasonCode,
806 					(uint32_t) CTrsp->Explanation,
807 					vport->fc_flag);
808 
809 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
810 				"GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
811 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
812 				(uint32_t) CTrsp->ReasonCode,
813 				(uint32_t) CTrsp->Explanation);
814 		}
815 		vport->gidft_inp--;
816 	}
817 	/* Link up / RSCN discovery */
818 	if ((vport->num_disc_nodes == 0) &&
819 	    (vport->gidft_inp == 0)) {
820 		/*
821 		 * The driver has cycled through all Nports in the RSCN payload.
822 		 * Complete the handling by cleaning up and marking the
823 		 * current driver state.
824 		 */
825 		if (vport->port_state >= LPFC_DISC_AUTH) {
826 			if (vport->fc_flag & FC_RSCN_MODE) {
827 				lpfc_els_flush_rscn(vport);
828 				spin_lock_irq(shost->host_lock);
829 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
830 				spin_unlock_irq(shost->host_lock);
831 			}
832 			else
833 				lpfc_els_flush_rscn(vport);
834 		}
835 
836 		lpfc_disc_start(vport);
837 	}
838 out:
839 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
840 	lpfc_ct_free_iocb(phba, cmdiocb);
841 	return;
842 }
843 
844 static void
845 lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
846 			struct lpfc_iocbq *rspiocb)
847 {
848 	struct lpfc_vport *vport = cmdiocb->vport;
849 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
850 	IOCB_t *irsp;
851 	struct lpfc_dmabuf *outp;
852 	struct lpfc_dmabuf *inp;
853 	struct lpfc_sli_ct_request *CTrsp;
854 	struct lpfc_sli_ct_request *CTreq;
855 	struct lpfc_nodelist *ndlp;
856 	int rc;
857 
858 	/* First save ndlp, before we overwrite it */
859 	ndlp = cmdiocb->context_un.ndlp;
860 
861 	/* we pass cmdiocb to state machine which needs rspiocb as well */
862 	cmdiocb->context_un.rsp_iocb = rspiocb;
863 	inp = (struct lpfc_dmabuf *)cmdiocb->context1;
864 	outp = (struct lpfc_dmabuf *)cmdiocb->context2;
865 	irsp = &rspiocb->iocb;
866 
867 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
868 			      "GID_PT cmpl:     status:x%x/x%x rtry:%d",
869 			      irsp->ulpStatus, irsp->un.ulpWord[4],
870 			      vport->fc_ns_retry);
871 
872 	/* Don't bother processing response if vport is being torn down. */
873 	if (vport->load_flag & FC_UNLOADING) {
874 		if (vport->fc_flag & FC_RSCN_MODE)
875 			lpfc_els_flush_rscn(vport);
876 		goto out;
877 	}
878 
879 	if (lpfc_els_chk_latt(vport)) {
880 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
881 				 "4108 Link event during NS query\n");
882 		if (vport->fc_flag & FC_RSCN_MODE)
883 			lpfc_els_flush_rscn(vport);
884 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
885 		goto out;
886 	}
887 	if (lpfc_error_lost_link(irsp)) {
888 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
889 				 "4101 NS query failed due to link event\n");
890 		if (vport->fc_flag & FC_RSCN_MODE)
891 			lpfc_els_flush_rscn(vport);
892 		goto out;
893 	}
894 
895 	spin_lock_irq(shost->host_lock);
896 	if (vport->fc_flag & FC_RSCN_DEFERRED) {
897 		vport->fc_flag &= ~FC_RSCN_DEFERRED;
898 		spin_unlock_irq(shost->host_lock);
899 
900 		/* This is a GID_PT completing so the gidft_inp counter was
901 		 * incremented before the GID_PT was issued to the wire.
902 		 */
903 		vport->gidft_inp--;
904 
905 		/*
906 		 * Skip processing the NS response
907 		 * Re-issue the NS cmd
908 		 */
909 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
910 				 "4102 Process Deferred RSCN Data: x%x x%x\n",
911 				 vport->fc_flag, vport->fc_rscn_id_cnt);
912 		lpfc_els_handle_rscn(vport);
913 
914 		goto out;
915 	}
916 	spin_unlock_irq(shost->host_lock);
917 
918 	if (irsp->ulpStatus) {
919 		/* Check for retry */
920 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
921 			if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
922 			    (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
923 			    IOERR_NO_RESOURCES)
924 				vport->fc_ns_retry++;
925 
926 			/* CT command is being retried */
927 			vport->gidft_inp--;
928 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
929 					 vport->fc_ns_retry, GID_PT_N_PORT);
930 			if (rc == 0)
931 				goto out;
932 		}
933 		if (vport->fc_flag & FC_RSCN_MODE)
934 			lpfc_els_flush_rscn(vport);
935 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
936 		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
937 				 "4103 GID_FT Query error: 0x%x 0x%x\n",
938 				 irsp->ulpStatus, vport->fc_ns_retry);
939 	} else {
940 		/* Good status, continue checking */
941 		CTreq = (struct lpfc_sli_ct_request *)inp->virt;
942 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
943 		if (CTrsp->CommandResponse.bits.CmdRsp ==
944 		    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
945 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
946 					 "4105 NameServer Rsp Data: x%x x%x\n",
947 					 vport->fc_flag,
948 					 CTreq->un.gid.Fc4Type);
949 
950 			lpfc_ns_rsp(vport,
951 				    outp,
952 				    CTreq->un.gid.Fc4Type,
953 				    (uint32_t)(irsp->un.genreq64.bdl.bdeSize));
954 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
955 			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
956 			/* NameServer Rsp Error */
957 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
958 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
959 				lpfc_printf_vlog(
960 					vport, KERN_INFO, LOG_DISCOVERY,
961 					"4106 No NameServer Entries "
962 					"Data: x%x x%x x%x x%x\n",
963 					CTrsp->CommandResponse.bits.CmdRsp,
964 					(uint32_t)CTrsp->ReasonCode,
965 					(uint32_t)CTrsp->Explanation,
966 					vport->fc_flag);
967 
968 				lpfc_debugfs_disc_trc(
969 				vport, LPFC_DISC_TRC_CT,
970 				"GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
971 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
972 				(uint32_t)CTrsp->ReasonCode,
973 				(uint32_t)CTrsp->Explanation);
974 			} else {
975 				lpfc_printf_vlog(
976 					vport, KERN_INFO, LOG_DISCOVERY,
977 					"4107 NameServer Rsp Error "
978 					"Data: x%x x%x x%x x%x\n",
979 					CTrsp->CommandResponse.bits.CmdRsp,
980 					(uint32_t)CTrsp->ReasonCode,
981 					(uint32_t)CTrsp->Explanation,
982 					vport->fc_flag);
983 
984 				lpfc_debugfs_disc_trc(
985 				vport, LPFC_DISC_TRC_CT,
986 				"GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
987 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
988 				(uint32_t)CTrsp->ReasonCode,
989 				(uint32_t)CTrsp->Explanation);
990 			}
991 		} else {
992 			/* NameServer Rsp Error */
993 			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
994 					 "4109 NameServer Rsp Error "
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 rsp err2  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 		}
1008 		vport->gidft_inp--;
1009 	}
1010 	/* Link up / RSCN discovery */
1011 	if ((vport->num_disc_nodes == 0) &&
1012 	    (vport->gidft_inp == 0)) {
1013 		/*
1014 		 * The driver has cycled through all Nports in the RSCN payload.
1015 		 * Complete the handling by cleaning up and marking the
1016 		 * current driver state.
1017 		 */
1018 		if (vport->port_state >= LPFC_DISC_AUTH) {
1019 			if (vport->fc_flag & FC_RSCN_MODE) {
1020 				lpfc_els_flush_rscn(vport);
1021 				spin_lock_irq(shost->host_lock);
1022 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1023 				spin_unlock_irq(shost->host_lock);
1024 			} else {
1025 				lpfc_els_flush_rscn(vport);
1026 			}
1027 		}
1028 
1029 		lpfc_disc_start(vport);
1030 	}
1031 out:
1032 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
1033 	lpfc_ct_free_iocb(phba, cmdiocb);
1034 }
1035 
1036 static void
1037 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1038 			struct lpfc_iocbq *rspiocb)
1039 {
1040 	struct lpfc_vport *vport = cmdiocb->vport;
1041 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1042 	IOCB_t *irsp = &rspiocb->iocb;
1043 	struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1044 	struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1045 	struct lpfc_sli_ct_request *CTrsp;
1046 	int did, rc, retry;
1047 	uint8_t fbits;
1048 	struct lpfc_nodelist *ndlp;
1049 
1050 	did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1051 	did = be32_to_cpu(did);
1052 
1053 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1054 		"GFF_ID cmpl:     status:x%x/x%x did:x%x",
1055 		irsp->ulpStatus, irsp->un.ulpWord[4], did);
1056 
1057 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1058 		/* Good status, continue checking */
1059 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1060 		fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1061 
1062 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1063 				 "6431 Process GFF_ID rsp for %08x "
1064 				 "fbits %02x %s %s\n",
1065 				 did, fbits,
1066 				 (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1067 				 (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1068 
1069 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1070 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
1071 			if ((fbits & FC4_FEATURE_INIT) &&
1072 			    !(fbits & FC4_FEATURE_TARGET)) {
1073 				lpfc_printf_vlog(vport, KERN_INFO,
1074 						 LOG_DISCOVERY,
1075 						 "0270 Skip x%x GFF "
1076 						 "NameServer Rsp Data: (init) "
1077 						 "x%x x%x\n", did, fbits,
1078 						 vport->fc_rscn_id_cnt);
1079 				goto out;
1080 			}
1081 		}
1082 	}
1083 	else {
1084 		/* Check for retry */
1085 		if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1086 			retry = 1;
1087 			if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1088 				switch ((irsp->un.ulpWord[4] &
1089 					IOERR_PARAM_MASK)) {
1090 
1091 				case IOERR_NO_RESOURCES:
1092 					/* We don't increment the retry
1093 					 * count for this case.
1094 					 */
1095 					break;
1096 				case IOERR_LINK_DOWN:
1097 				case IOERR_SLI_ABORTED:
1098 				case IOERR_SLI_DOWN:
1099 					retry = 0;
1100 					break;
1101 				default:
1102 					cmdiocb->retry++;
1103 				}
1104 			}
1105 			else
1106 				cmdiocb->retry++;
1107 
1108 			if (retry) {
1109 				/* CT command is being retried */
1110 				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1111 					 cmdiocb->retry, did);
1112 				if (rc == 0) {
1113 					/* success */
1114 					lpfc_ct_free_iocb(phba, cmdiocb);
1115 					return;
1116 				}
1117 			}
1118 		}
1119 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1120 				 "0267 NameServer GFF Rsp "
1121 				 "x%x Error (%d %d) Data: x%x x%x\n",
1122 				 did, irsp->ulpStatus, irsp->un.ulpWord[4],
1123 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1124 	}
1125 
1126 	/* This is a target port, unregistered port, or the GFF_ID failed */
1127 	ndlp = lpfc_setup_disc_node(vport, did);
1128 	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1129 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1130 				 "0242 Process x%x GFF "
1131 				 "NameServer Rsp Data: x%x x%x x%x\n",
1132 				 did, ndlp->nlp_flag, vport->fc_flag,
1133 				 vport->fc_rscn_id_cnt);
1134 	} else {
1135 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1136 				 "0243 Skip x%x GFF "
1137 				 "NameServer Rsp Data: x%x x%x\n", did,
1138 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1139 	}
1140 out:
1141 	/* Link up / RSCN discovery */
1142 	if (vport->num_disc_nodes)
1143 		vport->num_disc_nodes--;
1144 	if (vport->num_disc_nodes == 0) {
1145 		/*
1146 		 * The driver has cycled through all Nports in the RSCN payload.
1147 		 * Complete the handling by cleaning up and marking the
1148 		 * current driver state.
1149 		 */
1150 		if (vport->port_state >= LPFC_DISC_AUTH) {
1151 			if (vport->fc_flag & FC_RSCN_MODE) {
1152 				lpfc_els_flush_rscn(vport);
1153 				spin_lock_irq(shost->host_lock);
1154 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1155 				spin_unlock_irq(shost->host_lock);
1156 			}
1157 			else
1158 				lpfc_els_flush_rscn(vport);
1159 		}
1160 		lpfc_disc_start(vport);
1161 	}
1162 	lpfc_ct_free_iocb(phba, cmdiocb);
1163 	return;
1164 }
1165 
1166 static void
1167 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1168 				struct lpfc_iocbq *rspiocb)
1169 {
1170 	struct lpfc_vport *vport = cmdiocb->vport;
1171 	IOCB_t *irsp = &rspiocb->iocb;
1172 	struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
1173 	struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
1174 	struct lpfc_sli_ct_request *CTrsp;
1175 	int did;
1176 	struct lpfc_nodelist *ndlp;
1177 	uint32_t fc4_data_0, fc4_data_1;
1178 
1179 	did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1180 	did = be32_to_cpu(did);
1181 
1182 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1183 			      "GFT_ID cmpl: status:x%x/x%x did:x%x",
1184 			      irsp->ulpStatus, irsp->un.ulpWord[4], did);
1185 
1186 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1187 		/* Good status, continue checking */
1188 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1189 		fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1190 		fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1191 
1192 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1193 				 "6432 Process GFT_ID rsp for %08x "
1194 				 "Data %08x %08x %s %s\n",
1195 				 did, fc4_data_0, fc4_data_1,
1196 				 (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1197 				  "FCP" : " ",
1198 				 (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1199 				  "NVME" : " ");
1200 
1201 		ndlp = lpfc_findnode_did(vport, did);
1202 		if (ndlp) {
1203 			/* The bitmask value for FCP and NVME FCP types is
1204 			 * the same because they are 32 bits distant from
1205 			 * each other in word0 and word0.
1206 			 */
1207 			if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1208 				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1209 			if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1210 				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1211 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1212 					 "3064 Setting ndlp %p, DID x%06x with "
1213 					 "FC4 x%08x, Data: x%08x x%08x\n",
1214 					 ndlp, did, ndlp->nlp_fc4_type,
1215 					 FC_TYPE_FCP, FC_TYPE_NVME);
1216 			ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1217 
1218 			lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
1219 			lpfc_issue_els_prli(vport, ndlp, 0);
1220 		}
1221 	} else
1222 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1223 				 "3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
1224 
1225 	lpfc_ct_free_iocb(phba, cmdiocb);
1226 }
1227 
1228 static void
1229 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1230 	     struct lpfc_iocbq *rspiocb)
1231 {
1232 	struct lpfc_vport *vport = cmdiocb->vport;
1233 	struct lpfc_dmabuf *inp;
1234 	struct lpfc_dmabuf *outp;
1235 	IOCB_t *irsp;
1236 	struct lpfc_sli_ct_request *CTrsp;
1237 	struct lpfc_nodelist *ndlp;
1238 	int cmdcode, rc;
1239 	uint8_t retry;
1240 	uint32_t latt;
1241 
1242 	/* First save ndlp, before we overwrite it */
1243 	ndlp = cmdiocb->context_un.ndlp;
1244 
1245 	/* we pass cmdiocb to state machine which needs rspiocb as well */
1246 	cmdiocb->context_un.rsp_iocb = rspiocb;
1247 
1248 	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1249 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1250 	irsp = &rspiocb->iocb;
1251 
1252 	cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1253 					CommandResponse.bits.CmdRsp);
1254 	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1255 
1256 	latt = lpfc_els_chk_latt(vport);
1257 
1258 	/* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
1259 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1260 			 "0209 CT Request completes, latt %d, "
1261 			 "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1262 			 latt, irsp->ulpStatus,
1263 			 CTrsp->CommandResponse.bits.CmdRsp,
1264 			 cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
1265 
1266 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1267 		"CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1268 		irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
1269 
1270 	if (irsp->ulpStatus) {
1271 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1272 				 "0268 NS cmd x%x Error (x%x x%x)\n",
1273 				 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
1274 
1275 		if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1276 			(((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1277 			  IOERR_SLI_DOWN) ||
1278 			 ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1279 			  IOERR_SLI_ABORTED)))
1280 			goto out;
1281 
1282 		retry = cmdiocb->retry;
1283 		if (retry >= LPFC_MAX_NS_RETRY)
1284 			goto out;
1285 
1286 		retry++;
1287 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1288 				 "0250 Retrying NS cmd %x\n", cmdcode);
1289 		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1290 		if (rc == 0)
1291 			goto out;
1292 	}
1293 
1294 out:
1295 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
1296 	lpfc_ct_free_iocb(phba, cmdiocb);
1297 	return;
1298 }
1299 
1300 static void
1301 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1302 			struct lpfc_iocbq *rspiocb)
1303 {
1304 	IOCB_t *irsp = &rspiocb->iocb;
1305 	struct lpfc_vport *vport = cmdiocb->vport;
1306 
1307 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1308 		struct lpfc_dmabuf *outp;
1309 		struct lpfc_sli_ct_request *CTrsp;
1310 
1311 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1312 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1313 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1314 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1315 			vport->ct_flags |= FC_CT_RFT_ID;
1316 	}
1317 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1318 	return;
1319 }
1320 
1321 static void
1322 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1323 			struct lpfc_iocbq *rspiocb)
1324 {
1325 	IOCB_t *irsp = &rspiocb->iocb;
1326 	struct lpfc_vport *vport = cmdiocb->vport;
1327 
1328 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1329 		struct lpfc_dmabuf *outp;
1330 		struct lpfc_sli_ct_request *CTrsp;
1331 
1332 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1333 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1334 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1335 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1336 			vport->ct_flags |= FC_CT_RNN_ID;
1337 	}
1338 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1339 	return;
1340 }
1341 
1342 static void
1343 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1344 			 struct lpfc_iocbq *rspiocb)
1345 {
1346 	IOCB_t *irsp = &rspiocb->iocb;
1347 	struct lpfc_vport *vport = cmdiocb->vport;
1348 
1349 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1350 		struct lpfc_dmabuf *outp;
1351 		struct lpfc_sli_ct_request *CTrsp;
1352 
1353 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1354 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1355 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1356 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1357 			vport->ct_flags |= FC_CT_RSPN_ID;
1358 	}
1359 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1360 	return;
1361 }
1362 
1363 static void
1364 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1365 			 struct lpfc_iocbq *rspiocb)
1366 {
1367 	IOCB_t *irsp = &rspiocb->iocb;
1368 	struct lpfc_vport *vport = cmdiocb->vport;
1369 
1370 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1371 		struct lpfc_dmabuf *outp;
1372 		struct lpfc_sli_ct_request *CTrsp;
1373 
1374 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1375 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1376 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1377 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1378 			vport->ct_flags |= FC_CT_RSNN_NN;
1379 	}
1380 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1381 	return;
1382 }
1383 
1384 static void
1385 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1386  struct lpfc_iocbq *rspiocb)
1387 {
1388 	struct lpfc_vport *vport = cmdiocb->vport;
1389 
1390 	/* even if it fails we will act as though it succeeded. */
1391 	vport->ct_flags = 0;
1392 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1393 	return;
1394 }
1395 
1396 static void
1397 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1398 			struct lpfc_iocbq *rspiocb)
1399 {
1400 	IOCB_t *irsp = &rspiocb->iocb;
1401 	struct lpfc_vport *vport = cmdiocb->vport;
1402 
1403 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1404 		struct lpfc_dmabuf *outp;
1405 		struct lpfc_sli_ct_request *CTrsp;
1406 
1407 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1408 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1409 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1410 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1411 			vport->ct_flags |= FC_CT_RFF_ID;
1412 	}
1413 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1414 	return;
1415 }
1416 
1417 /*
1418  * Although the symbolic port name is thought to be an integer
1419  * as of January 18, 2016, leave it as a string until more of
1420  * the record state becomes defined.
1421  */
1422 int
1423 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1424 	size_t size)
1425 {
1426 	int n;
1427 
1428 	/*
1429 	 * Use the lpfc board number as the Symbolic Port
1430 	 * Name object.  NPIV is not in play so this integer
1431 	 * value is sufficient and unique per FC-ID.
1432 	 */
1433 	n = snprintf(symbol, size, "%d", vport->phba->brd_no);
1434 	return n;
1435 }
1436 
1437 
1438 int
1439 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1440 	size_t size)
1441 {
1442 	char fwrev[FW_REV_STR_SIZE];
1443 	int n;
1444 
1445 	lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1446 
1447 	n = snprintf(symbol, size, "Emulex %s", vport->phba->ModelName);
1448 	if (size < n)
1449 		return n;
1450 
1451 	n += snprintf(symbol + n, size - n, " FV%s", fwrev);
1452 	if (size < n)
1453 		return n;
1454 
1455 	n += snprintf(symbol + n, size - n, " DV%s.",
1456 		      lpfc_release_version);
1457 	if (size < n)
1458 		return n;
1459 
1460 	n += snprintf(symbol + n, size - n, " HN:%s.",
1461 		      init_utsname()->nodename);
1462 	if (size < n)
1463 		return n;
1464 
1465 	/* Note :- OS name is "Linux" */
1466 	n += snprintf(symbol + n, size - n, " OS:%s\n",
1467 		      init_utsname()->sysname);
1468 	return n;
1469 }
1470 
1471 static uint32_t
1472 lpfc_find_map_node(struct lpfc_vport *vport)
1473 {
1474 	struct lpfc_nodelist *ndlp, *next_ndlp;
1475 	struct Scsi_Host  *shost;
1476 	uint32_t cnt = 0;
1477 
1478 	shost = lpfc_shost_from_vport(vport);
1479 	spin_lock_irq(shost->host_lock);
1480 	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1481 		if (ndlp->nlp_type & NLP_FABRIC)
1482 			continue;
1483 		if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1484 		    (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1485 			cnt++;
1486 	}
1487 	spin_unlock_irq(shost->host_lock);
1488 	return cnt;
1489 }
1490 
1491 /*
1492  * This routine will return the FC4 Type associated with the CT
1493  * GID_FT command.
1494  */
1495 int
1496 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1497 {
1498 	struct lpfc_sli_ct_request *CtReq;
1499 	struct lpfc_dmabuf *mp;
1500 	uint32_t type;
1501 
1502 	mp = cmdiocb->context1;
1503 	if (mp == NULL)
1504 		return 0;
1505 	CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1506 	type = (uint32_t)CtReq->un.gid.Fc4Type;
1507 	if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1508 		return 0;
1509 	return type;
1510 }
1511 
1512 /*
1513  * lpfc_ns_cmd
1514  * Description:
1515  *    Issue Cmd to NameServer
1516  *       SLI_CTNS_GID_FT
1517  *       LI_CTNS_RFT_ID
1518  */
1519 int
1520 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1521 	    uint8_t retry, uint32_t context)
1522 {
1523 	struct lpfc_nodelist * ndlp;
1524 	struct lpfc_hba *phba = vport->phba;
1525 	struct lpfc_dmabuf *mp, *bmp;
1526 	struct lpfc_sli_ct_request *CtReq;
1527 	struct ulp_bde64 *bpl;
1528 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1529 		      struct lpfc_iocbq *) = NULL;
1530 	uint32_t *ptr;
1531 	uint32_t rsp_size = 1024;
1532 	size_t   size;
1533 	int rc = 0;
1534 
1535 	ndlp = lpfc_findnode_did(vport, NameServer_DID);
1536 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1537 	    || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1538 		rc=1;
1539 		goto ns_cmd_exit;
1540 	}
1541 
1542 	/* fill in BDEs for command */
1543 	/* Allocate buffer for command payload */
1544 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1545 	if (!mp) {
1546 		rc=2;
1547 		goto ns_cmd_exit;
1548 	}
1549 
1550 	INIT_LIST_HEAD(&mp->list);
1551 	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1552 	if (!mp->virt) {
1553 		rc=3;
1554 		goto ns_cmd_free_mp;
1555 	}
1556 
1557 	/* Allocate buffer for Buffer ptr list */
1558 	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1559 	if (!bmp) {
1560 		rc=4;
1561 		goto ns_cmd_free_mpvirt;
1562 	}
1563 
1564 	INIT_LIST_HEAD(&bmp->list);
1565 	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1566 	if (!bmp->virt) {
1567 		rc=5;
1568 		goto ns_cmd_free_bmp;
1569 	}
1570 
1571 	/* NameServer Req */
1572 	lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1573 			 "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1574 			 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1575 			 context);
1576 
1577 	bpl = (struct ulp_bde64 *) bmp->virt;
1578 	memset(bpl, 0, sizeof(struct ulp_bde64));
1579 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1580 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1581 	bpl->tus.f.bdeFlags = 0;
1582 	if (cmdcode == SLI_CTNS_GID_FT)
1583 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1584 	else if (cmdcode == SLI_CTNS_GID_PT)
1585 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1586 	else if (cmdcode == SLI_CTNS_GFF_ID)
1587 		bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1588 	else if (cmdcode == SLI_CTNS_GFT_ID)
1589 		bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1590 	else if (cmdcode == SLI_CTNS_RFT_ID)
1591 		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1592 	else if (cmdcode == SLI_CTNS_RNN_ID)
1593 		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1594 	else if (cmdcode == SLI_CTNS_RSPN_ID)
1595 		bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1596 	else if (cmdcode == SLI_CTNS_RSNN_NN)
1597 		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1598 	else if (cmdcode == SLI_CTNS_DA_ID)
1599 		bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1600 	else if (cmdcode == SLI_CTNS_RFF_ID)
1601 		bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1602 	else
1603 		bpl->tus.f.bdeSize = 0;
1604 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1605 
1606 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1607 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1608 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1609 	CtReq->RevisionId.bits.InId = 0;
1610 	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1611 	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1612 	CtReq->CommandResponse.bits.Size = 0;
1613 	switch (cmdcode) {
1614 	case SLI_CTNS_GID_FT:
1615 		CtReq->CommandResponse.bits.CmdRsp =
1616 		    cpu_to_be16(SLI_CTNS_GID_FT);
1617 		CtReq->un.gid.Fc4Type = context;
1618 
1619 		if (vport->port_state < LPFC_NS_QRY)
1620 			vport->port_state = LPFC_NS_QRY;
1621 		lpfc_set_disctmo(vport);
1622 		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1623 		rsp_size = FC_MAX_NS_RSP;
1624 		break;
1625 
1626 	case SLI_CTNS_GID_PT:
1627 		CtReq->CommandResponse.bits.CmdRsp =
1628 		    cpu_to_be16(SLI_CTNS_GID_PT);
1629 		CtReq->un.gid.PortType = context;
1630 
1631 		if (vport->port_state < LPFC_NS_QRY)
1632 			vport->port_state = LPFC_NS_QRY;
1633 		lpfc_set_disctmo(vport);
1634 		cmpl = lpfc_cmpl_ct_cmd_gid_pt;
1635 		rsp_size = FC_MAX_NS_RSP;
1636 		break;
1637 
1638 	case SLI_CTNS_GFF_ID:
1639 		CtReq->CommandResponse.bits.CmdRsp =
1640 			cpu_to_be16(SLI_CTNS_GFF_ID);
1641 		CtReq->un.gff.PortId = cpu_to_be32(context);
1642 		cmpl = lpfc_cmpl_ct_cmd_gff_id;
1643 		break;
1644 
1645 	case SLI_CTNS_GFT_ID:
1646 		CtReq->CommandResponse.bits.CmdRsp =
1647 			cpu_to_be16(SLI_CTNS_GFT_ID);
1648 		CtReq->un.gft.PortId = cpu_to_be32(context);
1649 		cmpl = lpfc_cmpl_ct_cmd_gft_id;
1650 		break;
1651 
1652 	case SLI_CTNS_RFT_ID:
1653 		vport->ct_flags &= ~FC_CT_RFT_ID;
1654 		CtReq->CommandResponse.bits.CmdRsp =
1655 		    cpu_to_be16(SLI_CTNS_RFT_ID);
1656 		CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1657 
1658 		/* Register FC4 FCP type if enabled.  */
1659 		if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
1660 		    vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
1661 			CtReq->un.rft.fcpReg = 1;
1662 
1663 		/* Register NVME type if enabled.  Defined LE and swapped.
1664 		 * rsvd[0] is used as word1 because of the hard-coded
1665 		 * word0 usage in the ct_request data structure.
1666 		 */
1667 		if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
1668 		    vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
1669 			CtReq->un.rft.rsvd[0] =
1670 				cpu_to_be32(LPFC_FC4_TYPE_BITMASK);
1671 
1672 		ptr = (uint32_t *)CtReq;
1673 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1674 				 "6433 Issue RFT (%s %s): %08x %08x %08x %08x "
1675 				 "%08x %08x %08x %08x\n",
1676 				 CtReq->un.rft.fcpReg ? "FCP" : " ",
1677 				 CtReq->un.rft.rsvd[0] ? "NVME" : " ",
1678 				 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
1679 				 *(ptr + 4), *(ptr + 5),
1680 				 *(ptr + 6), *(ptr + 7));
1681 		cmpl = lpfc_cmpl_ct_cmd_rft_id;
1682 		break;
1683 
1684 	case SLI_CTNS_RNN_ID:
1685 		vport->ct_flags &= ~FC_CT_RNN_ID;
1686 		CtReq->CommandResponse.bits.CmdRsp =
1687 		    cpu_to_be16(SLI_CTNS_RNN_ID);
1688 		CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1689 		memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1690 		       sizeof(struct lpfc_name));
1691 		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1692 		break;
1693 
1694 	case SLI_CTNS_RSPN_ID:
1695 		vport->ct_flags &= ~FC_CT_RSPN_ID;
1696 		CtReq->CommandResponse.bits.CmdRsp =
1697 		    cpu_to_be16(SLI_CTNS_RSPN_ID);
1698 		CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1699 		size = sizeof(CtReq->un.rspn.symbname);
1700 		CtReq->un.rspn.len =
1701 			lpfc_vport_symbolic_port_name(vport,
1702 			CtReq->un.rspn.symbname, size);
1703 		cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1704 		break;
1705 	case SLI_CTNS_RSNN_NN:
1706 		vport->ct_flags &= ~FC_CT_RSNN_NN;
1707 		CtReq->CommandResponse.bits.CmdRsp =
1708 		    cpu_to_be16(SLI_CTNS_RSNN_NN);
1709 		memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1710 		       sizeof(struct lpfc_name));
1711 		size = sizeof(CtReq->un.rsnn.symbname);
1712 		CtReq->un.rsnn.len =
1713 			lpfc_vport_symbolic_node_name(vport,
1714 			CtReq->un.rsnn.symbname, size);
1715 		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1716 		break;
1717 	case SLI_CTNS_DA_ID:
1718 		/* Implement DA_ID Nameserver request */
1719 		CtReq->CommandResponse.bits.CmdRsp =
1720 			cpu_to_be16(SLI_CTNS_DA_ID);
1721 		CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1722 		cmpl = lpfc_cmpl_ct_cmd_da_id;
1723 		break;
1724 	case SLI_CTNS_RFF_ID:
1725 		vport->ct_flags &= ~FC_CT_RFF_ID;
1726 		CtReq->CommandResponse.bits.CmdRsp =
1727 		    cpu_to_be16(SLI_CTNS_RFF_ID);
1728 		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1729 		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1730 
1731 		/* The driver always supports FC_TYPE_FCP.  However, the
1732 		 * caller can specify NVME (type x28) as well.  But only
1733 		 * these that FC4 type is supported.
1734 		 */
1735 		if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1736 		     (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
1737 		    (context == FC_TYPE_NVME)) {
1738 			if ((vport == phba->pport) && phba->nvmet_support) {
1739 				CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
1740 					FC4_FEATURE_NVME_DISC);
1741 				lpfc_nvmet_update_targetport(phba);
1742 			} else {
1743 				lpfc_nvme_update_localport(vport);
1744 			}
1745 			CtReq->un.rff.type_code = context;
1746 
1747 		} else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1748 			    (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
1749 			   (context == FC_TYPE_FCP))
1750 			CtReq->un.rff.type_code = context;
1751 
1752 		else
1753 			goto ns_cmd_free_bmpvirt;
1754 
1755 		ptr = (uint32_t *)CtReq;
1756 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1757 				 "6434 Issue RFF (%s): %08x %08x %08x %08x "
1758 				 "%08x %08x %08x %08x\n",
1759 				 (context == FC_TYPE_NVME) ? "NVME" : "FCP",
1760 				 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
1761 				 *(ptr + 4), *(ptr + 5),
1762 				 *(ptr + 6), *(ptr + 7));
1763 		cmpl = lpfc_cmpl_ct_cmd_rff_id;
1764 		break;
1765 	}
1766 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1767 	 * to hold ndlp reference for the corresponding callback function.
1768 	 */
1769 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1770 		/* On success, The cmpl function will free the buffers */
1771 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1772 			"Issue CT cmd:    cmd:x%x did:x%x",
1773 			cmdcode, ndlp->nlp_DID, 0);
1774 		return 0;
1775 	}
1776 	rc=6;
1777 
1778 	/* Decrement ndlp reference count to release ndlp reference held
1779 	 * for the failed command's callback function.
1780 	 */
1781 	lpfc_nlp_put(ndlp);
1782 
1783 ns_cmd_free_bmpvirt:
1784 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1785 ns_cmd_free_bmp:
1786 	kfree(bmp);
1787 ns_cmd_free_mpvirt:
1788 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
1789 ns_cmd_free_mp:
1790 	kfree(mp);
1791 ns_cmd_exit:
1792 	lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1793 			 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1794 			 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1795 	return 1;
1796 }
1797 
1798 /**
1799  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
1800  * @phba: Pointer to HBA context object.
1801  * @cmdiocb: Pointer to the command IOCBQ.
1802  * @rspiocb: Pointer to the response IOCBQ.
1803  *
1804  * This function to handle the completion of a driver initiated FDMI
1805  * CT command issued during discovery.
1806  */
1807 static void
1808 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1809 		       struct lpfc_iocbq *rspiocb)
1810 {
1811 	struct lpfc_vport *vport = cmdiocb->vport;
1812 	struct lpfc_dmabuf *inp = cmdiocb->context1;
1813 	struct lpfc_dmabuf *outp = cmdiocb->context2;
1814 	struct lpfc_sli_ct_request *CTcmd = inp->virt;
1815 	struct lpfc_sli_ct_request *CTrsp = outp->virt;
1816 	uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1817 	uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1818 	IOCB_t *irsp = &rspiocb->iocb;
1819 	struct lpfc_nodelist *ndlp;
1820 	uint32_t latt, cmd, err;
1821 
1822 	latt = lpfc_els_chk_latt(vport);
1823 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1824 		"FDMI cmpl:       status:x%x/x%x latt:%d",
1825 		irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1826 
1827 	if (latt || irsp->ulpStatus) {
1828 
1829 		/* Look for a retryable error */
1830 		if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1831 			switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) {
1832 			case IOERR_SLI_ABORTED:
1833 			case IOERR_ABORT_IN_PROGRESS:
1834 			case IOERR_SEQUENCE_TIMEOUT:
1835 			case IOERR_ILLEGAL_FRAME:
1836 			case IOERR_NO_RESOURCES:
1837 			case IOERR_ILLEGAL_COMMAND:
1838 				cmdiocb->retry++;
1839 				if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
1840 					break;
1841 
1842 				/* Retry the same FDMI command */
1843 				err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
1844 							  cmdiocb, 0);
1845 				if (err == IOCB_ERROR)
1846 					break;
1847 				return;
1848 			default:
1849 				break;
1850 			}
1851 		}
1852 
1853 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1854 				 "0229 FDMI cmd %04x failed, latt = %d "
1855 				 "ulpStatus: x%x, rid x%x\n",
1856 				 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1857 				 irsp->un.ulpWord[4]);
1858 	}
1859 	lpfc_ct_free_iocb(phba, cmdiocb);
1860 
1861 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1862 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1863 		return;
1864 
1865 	/* Check for a CT LS_RJT response */
1866 	cmd =  be16_to_cpu(fdmi_cmd);
1867 	if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
1868 		/* FDMI rsp failed */
1869 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1870 				 "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
1871 
1872 		/* Should we fallback to FDMI-2 / FDMI-1 ? */
1873 		switch (cmd) {
1874 		case SLI_MGMT_RHBA:
1875 			if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
1876 				/* Fallback to FDMI-1 */
1877 				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1878 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1879 				/* Start over */
1880 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1881 			}
1882 			return;
1883 
1884 		case SLI_MGMT_RPRT:
1885 			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1886 				/* Fallback to FDMI-1 */
1887 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1888 				/* Start over */
1889 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1890 			}
1891 			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1892 				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1893 				/* Retry the same command */
1894 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1895 			}
1896 			return;
1897 
1898 		case SLI_MGMT_RPA:
1899 			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1900 				/* Fallback to FDMI-1 */
1901 				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1902 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1903 				/* Start over */
1904 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1905 			}
1906 			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1907 				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1908 				/* Retry the same command */
1909 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1910 			}
1911 			return;
1912 		}
1913 	}
1914 
1915 	/*
1916 	 * On success, need to cycle thru FDMI registration for discovery
1917 	 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
1918 	 * DPRT -> RPRT (vports)
1919 	 */
1920 	switch (cmd) {
1921 	case SLI_MGMT_RHBA:
1922 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
1923 		break;
1924 
1925 	case SLI_MGMT_DHBA:
1926 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
1927 		break;
1928 
1929 	case SLI_MGMT_DPRT:
1930 		if (vport->port_type == LPFC_PHYSICAL_PORT)
1931 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
1932 		else
1933 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
1934 		break;
1935 	}
1936 	return;
1937 }
1938 
1939 
1940 /**
1941  * lpfc_fdmi_num_disc_check - Check how many mapped NPorts we are connected to
1942  * @vport: pointer to a host virtual N_Port data structure.
1943  *
1944  * Called from hbeat timeout routine to check if the number of discovered
1945  * ports has changed. If so, re-register thar port Attribute.
1946  */
1947 void
1948 lpfc_fdmi_num_disc_check(struct lpfc_vport *vport)
1949 {
1950 	struct lpfc_hba *phba = vport->phba;
1951 	struct lpfc_nodelist *ndlp;
1952 	uint16_t cnt;
1953 
1954 	if (!lpfc_is_link_up(phba))
1955 		return;
1956 
1957 	/* Must be connected to a Fabric */
1958 	if (!(vport->fc_flag & FC_FABRIC))
1959 		return;
1960 
1961 	if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
1962 		return;
1963 
1964 	cnt = lpfc_find_map_node(vport);
1965 	if (cnt == vport->fdmi_num_disc)
1966 		return;
1967 
1968 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1969 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1970 		return;
1971 
1972 	if (vport->port_type == LPFC_PHYSICAL_PORT) {
1973 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
1974 			      LPFC_FDMI_PORT_ATTR_num_disc);
1975 	} else {
1976 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
1977 			      LPFC_FDMI_PORT_ATTR_num_disc);
1978 	}
1979 }
1980 
1981 /* Routines for all individual HBA attributes */
1982 static int
1983 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
1984 {
1985 	struct lpfc_fdmi_attr_entry *ae;
1986 	uint32_t size;
1987 
1988 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1989 	memset(ae, 0, sizeof(struct lpfc_name));
1990 
1991 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
1992 	       sizeof(struct lpfc_name));
1993 	size = FOURBYTES + sizeof(struct lpfc_name);
1994 	ad->AttrLen = cpu_to_be16(size);
1995 	ad->AttrType = cpu_to_be16(RHBA_NODENAME);
1996 	return size;
1997 }
1998 static int
1999 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
2000 				struct lpfc_fdmi_attr_def *ad)
2001 {
2002 	struct lpfc_fdmi_attr_entry *ae;
2003 	uint32_t len, size;
2004 
2005 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2006 	memset(ae, 0, 256);
2007 
2008 	strncpy(ae->un.AttrString,
2009 		"Broadcom Inc.",
2010 		       sizeof(ae->un.AttrString));
2011 	len = strnlen(ae->un.AttrString,
2012 			  sizeof(ae->un.AttrString));
2013 	len += (len & 3) ? (4 - (len & 3)) : 4;
2014 	size = FOURBYTES + len;
2015 	ad->AttrLen = cpu_to_be16(size);
2016 	ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
2017 	return size;
2018 }
2019 
2020 static int
2021 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2022 {
2023 	struct lpfc_hba *phba = vport->phba;
2024 	struct lpfc_fdmi_attr_entry *ae;
2025 	uint32_t len, size;
2026 
2027 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2028 	memset(ae, 0, 256);
2029 
2030 	strncpy(ae->un.AttrString, phba->SerialNumber,
2031 		sizeof(ae->un.AttrString));
2032 	len = strnlen(ae->un.AttrString,
2033 			  sizeof(ae->un.AttrString));
2034 	len += (len & 3) ? (4 - (len & 3)) : 4;
2035 	size = FOURBYTES + len;
2036 	ad->AttrLen = cpu_to_be16(size);
2037 	ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
2038 	return size;
2039 }
2040 
2041 static int
2042 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
2043 			 struct lpfc_fdmi_attr_def *ad)
2044 {
2045 	struct lpfc_hba *phba = vport->phba;
2046 	struct lpfc_fdmi_attr_entry *ae;
2047 	uint32_t len, size;
2048 
2049 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2050 	memset(ae, 0, 256);
2051 
2052 	strncpy(ae->un.AttrString, phba->ModelName,
2053 		sizeof(ae->un.AttrString));
2054 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2055 	len += (len & 3) ? (4 - (len & 3)) : 4;
2056 	size = FOURBYTES + len;
2057 	ad->AttrLen = cpu_to_be16(size);
2058 	ad->AttrType = cpu_to_be16(RHBA_MODEL);
2059 	return size;
2060 }
2061 
2062 static int
2063 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
2064 			       struct lpfc_fdmi_attr_def *ad)
2065 {
2066 	struct lpfc_hba *phba = vport->phba;
2067 	struct lpfc_fdmi_attr_entry *ae;
2068 	uint32_t len, size;
2069 
2070 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2071 	memset(ae, 0, 256);
2072 
2073 	strncpy(ae->un.AttrString, phba->ModelDesc,
2074 		sizeof(ae->un.AttrString));
2075 	len = strnlen(ae->un.AttrString,
2076 				  sizeof(ae->un.AttrString));
2077 	len += (len & 3) ? (4 - (len & 3)) : 4;
2078 	size = FOURBYTES + len;
2079 	ad->AttrLen = cpu_to_be16(size);
2080 	ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
2081 	return size;
2082 }
2083 
2084 static int
2085 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
2086 			   struct lpfc_fdmi_attr_def *ad)
2087 {
2088 	struct lpfc_hba *phba = vport->phba;
2089 	lpfc_vpd_t *vp = &phba->vpd;
2090 	struct lpfc_fdmi_attr_entry *ae;
2091 	uint32_t i, j, incr, size;
2092 
2093 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2094 	memset(ae, 0, 256);
2095 
2096 	/* Convert JEDEC ID to ascii for hardware version */
2097 	incr = vp->rev.biuRev;
2098 	for (i = 0; i < 8; i++) {
2099 		j = (incr & 0xf);
2100 		if (j <= 9)
2101 			ae->un.AttrString[7 - i] =
2102 			    (char)((uint8_t) 0x30 +
2103 				   (uint8_t) j);
2104 		else
2105 			ae->un.AttrString[7 - i] =
2106 			    (char)((uint8_t) 0x61 +
2107 				   (uint8_t) (j - 10));
2108 		incr = (incr >> 4);
2109 	}
2110 	size = FOURBYTES + 8;
2111 	ad->AttrLen = cpu_to_be16(size);
2112 	ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
2113 	return size;
2114 }
2115 
2116 static int
2117 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
2118 			    struct lpfc_fdmi_attr_def *ad)
2119 {
2120 	struct lpfc_fdmi_attr_entry *ae;
2121 	uint32_t len, size;
2122 
2123 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2124 	memset(ae, 0, 256);
2125 
2126 	strncpy(ae->un.AttrString, lpfc_release_version,
2127 		sizeof(ae->un.AttrString));
2128 	len = strnlen(ae->un.AttrString,
2129 			  sizeof(ae->un.AttrString));
2130 	len += (len & 3) ? (4 - (len & 3)) : 4;
2131 	size = FOURBYTES + len;
2132 	ad->AttrLen = cpu_to_be16(size);
2133 	ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
2134 	return size;
2135 }
2136 
2137 static int
2138 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
2139 			   struct lpfc_fdmi_attr_def *ad)
2140 {
2141 	struct lpfc_hba *phba = vport->phba;
2142 	struct lpfc_fdmi_attr_entry *ae;
2143 	uint32_t len, size;
2144 
2145 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2146 	memset(ae, 0, 256);
2147 
2148 	if (phba->sli_rev == LPFC_SLI_REV4)
2149 		lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2150 	else
2151 		strncpy(ae->un.AttrString, phba->OptionROMVersion,
2152 			sizeof(ae->un.AttrString));
2153 	len = strnlen(ae->un.AttrString,
2154 			  sizeof(ae->un.AttrString));
2155 	len += (len & 3) ? (4 - (len & 3)) : 4;
2156 	size = FOURBYTES + len;
2157 	ad->AttrLen = cpu_to_be16(size);
2158 	ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
2159 	return size;
2160 }
2161 
2162 static int
2163 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
2164 			   struct lpfc_fdmi_attr_def *ad)
2165 {
2166 	struct lpfc_hba *phba = vport->phba;
2167 	struct lpfc_fdmi_attr_entry *ae;
2168 	uint32_t len, size;
2169 
2170 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2171 	memset(ae, 0, 256);
2172 
2173 	lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2174 	len = strnlen(ae->un.AttrString,
2175 			  sizeof(ae->un.AttrString));
2176 	len += (len & 3) ? (4 - (len & 3)) : 4;
2177 	size = FOURBYTES + len;
2178 	ad->AttrLen = cpu_to_be16(size);
2179 	ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
2180 	return size;
2181 }
2182 
2183 static int
2184 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
2185 			  struct lpfc_fdmi_attr_def *ad)
2186 {
2187 	struct lpfc_fdmi_attr_entry *ae;
2188 	uint32_t len, size;
2189 
2190 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2191 	memset(ae, 0, 256);
2192 
2193 	snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
2194 		 init_utsname()->sysname,
2195 		 init_utsname()->release,
2196 		 init_utsname()->version);
2197 
2198 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2199 	len += (len & 3) ? (4 - (len & 3)) : 4;
2200 	size = FOURBYTES + len;
2201 	ad->AttrLen = cpu_to_be16(size);
2202 	ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
2203 	return size;
2204 }
2205 
2206 static int
2207 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
2208 			  struct lpfc_fdmi_attr_def *ad)
2209 {
2210 	struct lpfc_fdmi_attr_entry *ae;
2211 	uint32_t size;
2212 
2213 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2214 
2215 	ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
2216 	size = FOURBYTES + sizeof(uint32_t);
2217 	ad->AttrLen = cpu_to_be16(size);
2218 	ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
2219 	return size;
2220 }
2221 
2222 static int
2223 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
2224 				 struct lpfc_fdmi_attr_def *ad)
2225 {
2226 	struct lpfc_fdmi_attr_entry *ae;
2227 	uint32_t len, size;
2228 
2229 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2230 	memset(ae, 0, 256);
2231 
2232 	len = lpfc_vport_symbolic_node_name(vport,
2233 				ae->un.AttrString, 256);
2234 	len += (len & 3) ? (4 - (len & 3)) : 4;
2235 	size = FOURBYTES + len;
2236 	ad->AttrLen = cpu_to_be16(size);
2237 	ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
2238 	return size;
2239 }
2240 
2241 static int
2242 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
2243 			       struct lpfc_fdmi_attr_def *ad)
2244 {
2245 	struct lpfc_fdmi_attr_entry *ae;
2246 	uint32_t size;
2247 
2248 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2249 
2250 	/* Nothing is defined for this currently */
2251 	ae->un.AttrInt =  cpu_to_be32(0);
2252 	size = FOURBYTES + sizeof(uint32_t);
2253 	ad->AttrLen = cpu_to_be16(size);
2254 	ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
2255 	return size;
2256 }
2257 
2258 static int
2259 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
2260 			     struct lpfc_fdmi_attr_def *ad)
2261 {
2262 	struct lpfc_fdmi_attr_entry *ae;
2263 	uint32_t size;
2264 
2265 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2266 
2267 	/* Each driver instance corresponds to a single port */
2268 	ae->un.AttrInt =  cpu_to_be32(1);
2269 	size = FOURBYTES + sizeof(uint32_t);
2270 	ad->AttrLen = cpu_to_be16(size);
2271 	ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2272 	return size;
2273 }
2274 
2275 static int
2276 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2277 			       struct lpfc_fdmi_attr_def *ad)
2278 {
2279 	struct lpfc_fdmi_attr_entry *ae;
2280 	uint32_t size;
2281 
2282 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2283 	memset(ae, 0, sizeof(struct lpfc_name));
2284 
2285 	memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2286 	       sizeof(struct lpfc_name));
2287 	size = FOURBYTES + sizeof(struct lpfc_name);
2288 	ad->AttrLen = cpu_to_be16(size);
2289 	ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2290 	return size;
2291 }
2292 
2293 static int
2294 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2295 			    struct lpfc_fdmi_attr_def *ad)
2296 {
2297 	struct lpfc_hba *phba = vport->phba;
2298 	struct lpfc_fdmi_attr_entry *ae;
2299 	uint32_t len, size;
2300 
2301 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2302 	memset(ae, 0, 256);
2303 
2304 	lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2305 	len = strnlen(ae->un.AttrString,
2306 			  sizeof(ae->un.AttrString));
2307 	len += (len & 3) ? (4 - (len & 3)) : 4;
2308 	size = FOURBYTES + len;
2309 	ad->AttrLen = cpu_to_be16(size);
2310 	ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2311 	return size;
2312 }
2313 
2314 static int
2315 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2316 			      struct lpfc_fdmi_attr_def *ad)
2317 {
2318 	struct lpfc_fdmi_attr_entry *ae;
2319 	uint32_t size;
2320 
2321 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2322 
2323 	/* Driver doesn't have access to this information */
2324 	ae->un.AttrInt =  cpu_to_be32(0);
2325 	size = FOURBYTES + sizeof(uint32_t);
2326 	ad->AttrLen = cpu_to_be16(size);
2327 	ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2328 	return size;
2329 }
2330 
2331 static int
2332 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2333 			     struct lpfc_fdmi_attr_def *ad)
2334 {
2335 	struct lpfc_fdmi_attr_entry *ae;
2336 	uint32_t len, size;
2337 
2338 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2339 	memset(ae, 0, 256);
2340 
2341 	strncpy(ae->un.AttrString, "EMULEX",
2342 		sizeof(ae->un.AttrString));
2343 	len = strnlen(ae->un.AttrString,
2344 			  sizeof(ae->un.AttrString));
2345 	len += (len & 3) ? (4 - (len & 3)) : 4;
2346 	size = FOURBYTES + len;
2347 	ad->AttrLen = cpu_to_be16(size);
2348 	ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2349 	return size;
2350 }
2351 
2352 /* Routines for all individual PORT attributes */
2353 static int
2354 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2355 			    struct lpfc_fdmi_attr_def *ad)
2356 {
2357 	struct lpfc_fdmi_attr_entry *ae;
2358 	uint32_t size;
2359 
2360 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2361 	memset(ae, 0, 32);
2362 
2363 	ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
2364 	ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
2365 	ae->un.AttrTypes[6] = 0x01; /* Type 40 - NVME */
2366 	ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
2367 	size = FOURBYTES + 32;
2368 	ad->AttrLen = cpu_to_be16(size);
2369 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2370 	return size;
2371 }
2372 
2373 static int
2374 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2375 				  struct lpfc_fdmi_attr_def *ad)
2376 {
2377 	struct lpfc_hba   *phba = vport->phba;
2378 	struct lpfc_fdmi_attr_entry *ae;
2379 	uint32_t size;
2380 
2381 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2382 
2383 	ae->un.AttrInt = 0;
2384 	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2385 		if (phba->lmt & LMT_128Gb)
2386 			ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2387 		if (phba->lmt & LMT_64Gb)
2388 			ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2389 		if (phba->lmt & LMT_32Gb)
2390 			ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2391 		if (phba->lmt & LMT_16Gb)
2392 			ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2393 		if (phba->lmt & LMT_10Gb)
2394 			ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2395 		if (phba->lmt & LMT_8Gb)
2396 			ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2397 		if (phba->lmt & LMT_4Gb)
2398 			ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2399 		if (phba->lmt & LMT_2Gb)
2400 			ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2401 		if (phba->lmt & LMT_1Gb)
2402 			ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2403 	} else {
2404 		/* FCoE links support only one speed */
2405 		switch (phba->fc_linkspeed) {
2406 		case LPFC_ASYNC_LINK_SPEED_10GBPS:
2407 			ae->un.AttrInt = HBA_PORTSPEED_10GE;
2408 			break;
2409 		case LPFC_ASYNC_LINK_SPEED_25GBPS:
2410 			ae->un.AttrInt = HBA_PORTSPEED_25GE;
2411 			break;
2412 		case LPFC_ASYNC_LINK_SPEED_40GBPS:
2413 			ae->un.AttrInt = HBA_PORTSPEED_40GE;
2414 			break;
2415 		case LPFC_ASYNC_LINK_SPEED_100GBPS:
2416 			ae->un.AttrInt = HBA_PORTSPEED_100GE;
2417 			break;
2418 		}
2419 	}
2420 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2421 	size = FOURBYTES + sizeof(uint32_t);
2422 	ad->AttrLen = cpu_to_be16(size);
2423 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2424 	return size;
2425 }
2426 
2427 static int
2428 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2429 			  struct lpfc_fdmi_attr_def *ad)
2430 {
2431 	struct lpfc_hba   *phba = vport->phba;
2432 	struct lpfc_fdmi_attr_entry *ae;
2433 	uint32_t size;
2434 
2435 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2436 
2437 	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2438 		switch (phba->fc_linkspeed) {
2439 		case LPFC_LINK_SPEED_1GHZ:
2440 			ae->un.AttrInt = HBA_PORTSPEED_1GFC;
2441 			break;
2442 		case LPFC_LINK_SPEED_2GHZ:
2443 			ae->un.AttrInt = HBA_PORTSPEED_2GFC;
2444 			break;
2445 		case LPFC_LINK_SPEED_4GHZ:
2446 			ae->un.AttrInt = HBA_PORTSPEED_4GFC;
2447 			break;
2448 		case LPFC_LINK_SPEED_8GHZ:
2449 			ae->un.AttrInt = HBA_PORTSPEED_8GFC;
2450 			break;
2451 		case LPFC_LINK_SPEED_10GHZ:
2452 			ae->un.AttrInt = HBA_PORTSPEED_10GFC;
2453 			break;
2454 		case LPFC_LINK_SPEED_16GHZ:
2455 			ae->un.AttrInt = HBA_PORTSPEED_16GFC;
2456 			break;
2457 		case LPFC_LINK_SPEED_32GHZ:
2458 			ae->un.AttrInt = HBA_PORTSPEED_32GFC;
2459 			break;
2460 		case LPFC_LINK_SPEED_64GHZ:
2461 			ae->un.AttrInt = HBA_PORTSPEED_64GFC;
2462 			break;
2463 		case LPFC_LINK_SPEED_128GHZ:
2464 			ae->un.AttrInt = HBA_PORTSPEED_128GFC;
2465 			break;
2466 		default:
2467 			ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2468 			break;
2469 		}
2470 	} else {
2471 		switch (phba->fc_linkspeed) {
2472 		case LPFC_ASYNC_LINK_SPEED_10GBPS:
2473 			ae->un.AttrInt = HBA_PORTSPEED_10GE;
2474 			break;
2475 		case LPFC_ASYNC_LINK_SPEED_25GBPS:
2476 			ae->un.AttrInt = HBA_PORTSPEED_25GE;
2477 			break;
2478 		case LPFC_ASYNC_LINK_SPEED_40GBPS:
2479 			ae->un.AttrInt = HBA_PORTSPEED_40GE;
2480 			break;
2481 		case LPFC_ASYNC_LINK_SPEED_100GBPS:
2482 			ae->un.AttrInt = HBA_PORTSPEED_100GE;
2483 			break;
2484 		default:
2485 			ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2486 			break;
2487 		}
2488 	}
2489 
2490 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2491 	size = FOURBYTES + sizeof(uint32_t);
2492 	ad->AttrLen = cpu_to_be16(size);
2493 	ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
2494 	return size;
2495 }
2496 
2497 static int
2498 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
2499 			      struct lpfc_fdmi_attr_def *ad)
2500 {
2501 	struct serv_parm *hsp;
2502 	struct lpfc_fdmi_attr_entry *ae;
2503 	uint32_t size;
2504 
2505 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2506 
2507 	hsp = (struct serv_parm *)&vport->fc_sparam;
2508 	ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb) << 8) |
2509 			  (uint32_t) hsp->cmn.bbRcvSizeLsb;
2510 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2511 	size = FOURBYTES + sizeof(uint32_t);
2512 	ad->AttrLen = cpu_to_be16(size);
2513 	ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
2514 	return size;
2515 }
2516 
2517 static int
2518 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
2519 			       struct lpfc_fdmi_attr_def *ad)
2520 {
2521 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2522 	struct lpfc_fdmi_attr_entry *ae;
2523 	uint32_t len, size;
2524 
2525 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2526 	memset(ae, 0, 256);
2527 
2528 	snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
2529 		 "/sys/class/scsi_host/host%d", shost->host_no);
2530 	len = strnlen((char *)ae->un.AttrString,
2531 			  sizeof(ae->un.AttrString));
2532 	len += (len & 3) ? (4 - (len & 3)) : 4;
2533 	size = FOURBYTES + len;
2534 	ad->AttrLen = cpu_to_be16(size);
2535 	ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
2536 	return size;
2537 }
2538 
2539 static int
2540 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
2541 			      struct lpfc_fdmi_attr_def *ad)
2542 {
2543 	struct lpfc_fdmi_attr_entry *ae;
2544 	uint32_t len, size;
2545 
2546 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2547 	memset(ae, 0, 256);
2548 
2549 	snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
2550 		 init_utsname()->nodename);
2551 
2552 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2553 	len += (len & 3) ? (4 - (len & 3)) : 4;
2554 	size = FOURBYTES + len;
2555 	ad->AttrLen = cpu_to_be16(size);
2556 	ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
2557 	return size;
2558 }
2559 
2560 static int
2561 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
2562 			 struct lpfc_fdmi_attr_def *ad)
2563 {
2564 	struct lpfc_fdmi_attr_entry *ae;
2565 	uint32_t size;
2566 
2567 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2568 	memset(ae, 0,  sizeof(struct lpfc_name));
2569 
2570 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2571 	       sizeof(struct lpfc_name));
2572 	size = FOURBYTES + sizeof(struct lpfc_name);
2573 	ad->AttrLen = cpu_to_be16(size);
2574 	ad->AttrType = cpu_to_be16(RPRT_NODENAME);
2575 	return size;
2576 }
2577 
2578 static int
2579 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
2580 			 struct lpfc_fdmi_attr_def *ad)
2581 {
2582 	struct lpfc_fdmi_attr_entry *ae;
2583 	uint32_t size;
2584 
2585 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2586 	memset(ae, 0,  sizeof(struct lpfc_name));
2587 
2588 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
2589 	       sizeof(struct lpfc_name));
2590 	size = FOURBYTES + sizeof(struct lpfc_name);
2591 	ad->AttrLen = cpu_to_be16(size);
2592 	ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
2593 	return size;
2594 }
2595 
2596 static int
2597 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
2598 				  struct lpfc_fdmi_attr_def *ad)
2599 {
2600 	struct lpfc_fdmi_attr_entry *ae;
2601 	uint32_t len, size;
2602 
2603 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2604 	memset(ae, 0, 256);
2605 
2606 	len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
2607 	len += (len & 3) ? (4 - (len & 3)) : 4;
2608 	size = FOURBYTES + len;
2609 	ad->AttrLen = cpu_to_be16(size);
2610 	ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
2611 	return size;
2612 }
2613 
2614 static int
2615 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
2616 			      struct lpfc_fdmi_attr_def *ad)
2617 {
2618 	struct lpfc_hba *phba = vport->phba;
2619 	struct lpfc_fdmi_attr_entry *ae;
2620 	uint32_t size;
2621 
2622 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2623 	if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
2624 		ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
2625 	else
2626 		ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
2627 	size = FOURBYTES + sizeof(uint32_t);
2628 	ad->AttrLen = cpu_to_be16(size);
2629 	ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
2630 	return size;
2631 }
2632 
2633 static int
2634 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
2635 			  struct lpfc_fdmi_attr_def *ad)
2636 {
2637 	struct lpfc_fdmi_attr_entry *ae;
2638 	uint32_t size;
2639 
2640 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2641 	ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
2642 	size = FOURBYTES + sizeof(uint32_t);
2643 	ad->AttrLen = cpu_to_be16(size);
2644 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
2645 	return size;
2646 }
2647 
2648 static int
2649 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
2650 				struct lpfc_fdmi_attr_def *ad)
2651 {
2652 	struct lpfc_fdmi_attr_entry *ae;
2653 	uint32_t size;
2654 
2655 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2656 	memset(ae, 0,  sizeof(struct lpfc_name));
2657 
2658 	memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
2659 	       sizeof(struct lpfc_name));
2660 	size = FOURBYTES + sizeof(struct lpfc_name);
2661 	ad->AttrLen = cpu_to_be16(size);
2662 	ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
2663 	return size;
2664 }
2665 
2666 static int
2667 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
2668 				   struct lpfc_fdmi_attr_def *ad)
2669 {
2670 	struct lpfc_fdmi_attr_entry *ae;
2671 	uint32_t size;
2672 
2673 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2674 	memset(ae, 0, 32);
2675 
2676 	ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
2677 	ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
2678 	ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
2679 	size = FOURBYTES + 32;
2680 	ad->AttrLen = cpu_to_be16(size);
2681 	ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
2682 	return size;
2683 }
2684 
2685 static int
2686 lpfc_fdmi_port_attr_port_state(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 = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2693 	/* Link Up - operational */
2694 	ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
2695 	size = FOURBYTES + sizeof(uint32_t);
2696 	ad->AttrLen = cpu_to_be16(size);
2697 	ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
2698 	return size;
2699 }
2700 
2701 static int
2702 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
2703 			     struct lpfc_fdmi_attr_def *ad)
2704 {
2705 	struct lpfc_fdmi_attr_entry *ae;
2706 	uint32_t size;
2707 
2708 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2709 	vport->fdmi_num_disc = lpfc_find_map_node(vport);
2710 	ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
2711 	size = FOURBYTES + sizeof(uint32_t);
2712 	ad->AttrLen = cpu_to_be16(size);
2713 	ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
2714 	return size;
2715 }
2716 
2717 static int
2718 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
2719 			    struct lpfc_fdmi_attr_def *ad)
2720 {
2721 	struct lpfc_fdmi_attr_entry *ae;
2722 	uint32_t size;
2723 
2724 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2725 	ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
2726 	size = FOURBYTES + sizeof(uint32_t);
2727 	ad->AttrLen = cpu_to_be16(size);
2728 	ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
2729 	return size;
2730 }
2731 
2732 static int
2733 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
2734 			     struct lpfc_fdmi_attr_def *ad)
2735 {
2736 	struct lpfc_fdmi_attr_entry *ae;
2737 	uint32_t len, size;
2738 
2739 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2740 	memset(ae, 0, 256);
2741 
2742 	strncpy(ae->un.AttrString, "Smart SAN Initiator",
2743 		sizeof(ae->un.AttrString));
2744 	len = strnlen(ae->un.AttrString,
2745 			  sizeof(ae->un.AttrString));
2746 	len += (len & 3) ? (4 - (len & 3)) : 4;
2747 	size = FOURBYTES + len;
2748 	ad->AttrLen = cpu_to_be16(size);
2749 	ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
2750 	return size;
2751 }
2752 
2753 static int
2754 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
2755 			  struct lpfc_fdmi_attr_def *ad)
2756 {
2757 	struct lpfc_fdmi_attr_entry *ae;
2758 	uint32_t size;
2759 
2760 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2761 	memset(ae, 0, 256);
2762 
2763 	memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
2764 	       sizeof(struct lpfc_name));
2765 	memcpy((((uint8_t *)&ae->un.AttrString) +
2766 		sizeof(struct lpfc_name)),
2767 		&vport->fc_sparam.portName, sizeof(struct lpfc_name));
2768 	size = FOURBYTES + (2 * sizeof(struct lpfc_name));
2769 	ad->AttrLen =  cpu_to_be16(size);
2770 	ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
2771 	return size;
2772 }
2773 
2774 static int
2775 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
2776 			     struct lpfc_fdmi_attr_def *ad)
2777 {
2778 	struct lpfc_fdmi_attr_entry *ae;
2779 	uint32_t len, size;
2780 
2781 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2782 	memset(ae, 0, 256);
2783 
2784 	strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
2785 		sizeof(ae->un.AttrString));
2786 	len = strnlen(ae->un.AttrString,
2787 			  sizeof(ae->un.AttrString));
2788 	len += (len & 3) ? (4 - (len & 3)) : 4;
2789 	size = FOURBYTES + len;
2790 	ad->AttrLen =  cpu_to_be16(size);
2791 	ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
2792 	return size;
2793 }
2794 
2795 static int
2796 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
2797 			   struct lpfc_fdmi_attr_def *ad)
2798 {
2799 	struct lpfc_hba *phba = vport->phba;
2800 	struct lpfc_fdmi_attr_entry *ae;
2801 	uint32_t len, size;
2802 
2803 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2804 	memset(ae, 0, 256);
2805 
2806 	strncpy(ae->un.AttrString, phba->ModelName,
2807 		sizeof(ae->un.AttrString));
2808 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2809 	len += (len & 3) ? (4 - (len & 3)) : 4;
2810 	size = FOURBYTES + len;
2811 	ad->AttrLen = cpu_to_be16(size);
2812 	ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
2813 	return size;
2814 }
2815 
2816 static int
2817 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
2818 			       struct lpfc_fdmi_attr_def *ad)
2819 {
2820 	struct lpfc_fdmi_attr_entry *ae;
2821 	uint32_t size;
2822 
2823 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2824 
2825 	/* SRIOV (type 3) is not supported */
2826 	if (vport->vpi)
2827 		ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
2828 	else
2829 		ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
2830 	size = FOURBYTES + sizeof(uint32_t);
2831 	ad->AttrLen = cpu_to_be16(size);
2832 	ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
2833 	return size;
2834 }
2835 
2836 static int
2837 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
2838 			 struct lpfc_fdmi_attr_def *ad)
2839 {
2840 	struct lpfc_fdmi_attr_entry *ae;
2841 	uint32_t size;
2842 
2843 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2844 	ae->un.AttrInt =  cpu_to_be32(0);
2845 	size = FOURBYTES + sizeof(uint32_t);
2846 	ad->AttrLen = cpu_to_be16(size);
2847 	ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
2848 	return size;
2849 }
2850 
2851 static int
2852 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
2853 			      struct lpfc_fdmi_attr_def *ad)
2854 {
2855 	struct lpfc_fdmi_attr_entry *ae;
2856 	uint32_t size;
2857 
2858 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2859 	ae->un.AttrInt =  cpu_to_be32(1);
2860 	size = FOURBYTES + sizeof(uint32_t);
2861 	ad->AttrLen = cpu_to_be16(size);
2862 	ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
2863 	return size;
2864 }
2865 
2866 /* RHBA attribute jump table */
2867 int (*lpfc_fdmi_hba_action[])
2868 	(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2869 	/* Action routine                 Mask bit     Attribute type */
2870 	lpfc_fdmi_hba_attr_wwnn,	  /* bit0     RHBA_NODENAME           */
2871 	lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
2872 	lpfc_fdmi_hba_attr_sn,		  /* bit2     RHBA_SERIAL_NUMBER      */
2873 	lpfc_fdmi_hba_attr_model,	  /* bit3     RHBA_MODEL              */
2874 	lpfc_fdmi_hba_attr_description,	  /* bit4     RHBA_MODEL_DESCRIPTION  */
2875 	lpfc_fdmi_hba_attr_hdw_ver,	  /* bit5     RHBA_HARDWARE_VERSION   */
2876 	lpfc_fdmi_hba_attr_drvr_ver,	  /* bit6     RHBA_DRIVER_VERSION     */
2877 	lpfc_fdmi_hba_attr_rom_ver,	  /* bit7     RHBA_OPTION_ROM_VERSION */
2878 	lpfc_fdmi_hba_attr_fmw_ver,	  /* bit8     RHBA_FIRMWARE_VERSION   */
2879 	lpfc_fdmi_hba_attr_os_ver,	  /* bit9     RHBA_OS_NAME_VERSION    */
2880 	lpfc_fdmi_hba_attr_ct_len,	  /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
2881 	lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
2882 	lpfc_fdmi_hba_attr_vendor_info,	  /* bit12    RHBA_VENDOR_INFO        */
2883 	lpfc_fdmi_hba_attr_num_ports,	  /* bit13    RHBA_NUM_PORTS          */
2884 	lpfc_fdmi_hba_attr_fabric_wwnn,	  /* bit14    RHBA_FABRIC_WWNN        */
2885 	lpfc_fdmi_hba_attr_bios_ver,	  /* bit15    RHBA_BIOS_VERSION       */
2886 	lpfc_fdmi_hba_attr_bios_state,	  /* bit16    RHBA_BIOS_STATE         */
2887 	lpfc_fdmi_hba_attr_vendor_id,	  /* bit17    RHBA_VENDOR_ID          */
2888 };
2889 
2890 /* RPA / RPRT attribute jump table */
2891 int (*lpfc_fdmi_port_action[])
2892 	(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2893 	/* Action routine                   Mask bit   Attribute type */
2894 	lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
2895 	lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
2896 	lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
2897 	lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
2898 	lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
2899 	lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
2900 	lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
2901 	lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
2902 	lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
2903 	lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
2904 	lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
2905 	lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
2906 	lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
2907 	lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
2908 	lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
2909 	lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
2910 	lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
2911 	lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
2912 	lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
2913 	lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
2914 	lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
2915 	lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
2916 	lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
2917 };
2918 
2919 /**
2920  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
2921  * @vport: pointer to a host virtual N_Port data structure.
2922  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
2923  * cmdcode: FDMI command to send
2924  * mask: Mask of HBA or PORT Attributes to send
2925  *
2926  * Builds and sends a FDMI command using the CT subsystem.
2927  */
2928 int
2929 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2930 	      int cmdcode, uint32_t new_mask)
2931 {
2932 	struct lpfc_hba *phba = vport->phba;
2933 	struct lpfc_dmabuf *mp, *bmp;
2934 	struct lpfc_sli_ct_request *CtReq;
2935 	struct ulp_bde64 *bpl;
2936 	uint32_t bit_pos;
2937 	uint32_t size;
2938 	uint32_t rsp_size;
2939 	uint32_t mask;
2940 	struct lpfc_fdmi_reg_hba *rh;
2941 	struct lpfc_fdmi_port_entry *pe;
2942 	struct lpfc_fdmi_reg_portattr *pab = NULL;
2943 	struct lpfc_fdmi_attr_block *ab = NULL;
2944 	int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
2945 	void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
2946 		     struct lpfc_iocbq *);
2947 
2948 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
2949 		return 0;
2950 
2951 	cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
2952 
2953 	/* fill in BDEs for command */
2954 	/* Allocate buffer for command payload */
2955 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2956 	if (!mp)
2957 		goto fdmi_cmd_exit;
2958 
2959 	mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
2960 	if (!mp->virt)
2961 		goto fdmi_cmd_free_mp;
2962 
2963 	/* Allocate buffer for Buffer ptr list */
2964 	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2965 	if (!bmp)
2966 		goto fdmi_cmd_free_mpvirt;
2967 
2968 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
2969 	if (!bmp->virt)
2970 		goto fdmi_cmd_free_bmp;
2971 
2972 	INIT_LIST_HEAD(&mp->list);
2973 	INIT_LIST_HEAD(&bmp->list);
2974 
2975 	/* FDMI request */
2976 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2977 			 "0218 FDMI Request Data: x%x x%x x%x\n",
2978 			 vport->fc_flag, vport->port_state, cmdcode);
2979 	CtReq = (struct lpfc_sli_ct_request *)mp->virt;
2980 
2981 	/* First populate the CT_IU preamble */
2982 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
2983 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
2984 	CtReq->RevisionId.bits.InId = 0;
2985 
2986 	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
2987 	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
2988 
2989 	CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
2990 	rsp_size = LPFC_BPL_SIZE;
2991 	size = 0;
2992 
2993 	/* Next fill in the specific FDMI cmd information */
2994 	switch (cmdcode) {
2995 	case SLI_MGMT_RHAT:
2996 	case SLI_MGMT_RHBA:
2997 		rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
2998 		/* HBA Identifier */
2999 		memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3000 		       sizeof(struct lpfc_name));
3001 
3002 		if (cmdcode == SLI_MGMT_RHBA) {
3003 			/* Registered Port List */
3004 			/* One entry (port) per adapter */
3005 			rh->rpl.EntryCnt = cpu_to_be32(1);
3006 			memcpy(&rh->rpl.pe, &phba->pport->fc_sparam.portName,
3007 			       sizeof(struct lpfc_name));
3008 
3009 			/* point to the HBA attribute block */
3010 			size = 2 * sizeof(struct lpfc_name) +
3011 				FOURBYTES;
3012 		} else {
3013 			size = sizeof(struct lpfc_name);
3014 		}
3015 		ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3016 		ab->EntryCnt = 0;
3017 		size += FOURBYTES;
3018 		bit_pos = 0;
3019 		if (new_mask)
3020 			mask = new_mask;
3021 		else
3022 			mask = vport->fdmi_hba_mask;
3023 
3024 		/* Mask will dictate what attributes to build in the request */
3025 		while (mask) {
3026 			if (mask & 0x1) {
3027 				func = lpfc_fdmi_hba_action[bit_pos];
3028 				size += func(vport,
3029 					     (struct lpfc_fdmi_attr_def *)
3030 					     ((uint8_t *)rh + size));
3031 				ab->EntryCnt++;
3032 				if ((size + 256) >
3033 				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3034 					goto hba_out;
3035 			}
3036 			mask = mask >> 1;
3037 			bit_pos++;
3038 		}
3039 hba_out:
3040 		ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3041 		/* Total size */
3042 		size = GID_REQUEST_SZ - 4 + size;
3043 		break;
3044 
3045 	case SLI_MGMT_RPRT:
3046 	case SLI_MGMT_RPA:
3047 		pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
3048 		if (cmdcode == SLI_MGMT_RPRT) {
3049 			rh = (struct lpfc_fdmi_reg_hba *)pab;
3050 			/* HBA Identifier */
3051 			memcpy(&rh->hi.PortName,
3052 			       &phba->pport->fc_sparam.portName,
3053 			       sizeof(struct lpfc_name));
3054 			pab = (struct lpfc_fdmi_reg_portattr *)
3055 				((uint8_t *)pab +  sizeof(struct lpfc_name));
3056 		}
3057 
3058 		memcpy((uint8_t *)&pab->PortName,
3059 		       (uint8_t *)&vport->fc_sparam.portName,
3060 		       sizeof(struct lpfc_name));
3061 		size += sizeof(struct lpfc_name) + FOURBYTES;
3062 		pab->ab.EntryCnt = 0;
3063 		bit_pos = 0;
3064 		if (new_mask)
3065 			mask = new_mask;
3066 		else
3067 			mask = vport->fdmi_port_mask;
3068 
3069 		/* Mask will dictate what attributes to build in the request */
3070 		while (mask) {
3071 			if (mask & 0x1) {
3072 				func = lpfc_fdmi_port_action[bit_pos];
3073 				size += func(vport,
3074 					     (struct lpfc_fdmi_attr_def *)
3075 					     ((uint8_t *)pab + size));
3076 				pab->ab.EntryCnt++;
3077 				if ((size + 256) >
3078 				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3079 					goto port_out;
3080 			}
3081 			mask = mask >> 1;
3082 			bit_pos++;
3083 		}
3084 port_out:
3085 		pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3086 		/* Total size */
3087 		if (cmdcode == SLI_MGMT_RPRT)
3088 			size += sizeof(struct lpfc_name);
3089 		size = GID_REQUEST_SZ - 4 + size;
3090 		break;
3091 
3092 	case SLI_MGMT_GHAT:
3093 	case SLI_MGMT_GRPL:
3094 		rsp_size = FC_MAX_NS_RSP;
3095 	case SLI_MGMT_DHBA:
3096 	case SLI_MGMT_DHAT:
3097 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3098 		memcpy((uint8_t *)&pe->PortName,
3099 		       (uint8_t *)&vport->fc_sparam.portName,
3100 		       sizeof(struct lpfc_name));
3101 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3102 		break;
3103 
3104 	case SLI_MGMT_GPAT:
3105 	case SLI_MGMT_GPAS:
3106 		rsp_size = FC_MAX_NS_RSP;
3107 	case SLI_MGMT_DPRT:
3108 	case SLI_MGMT_DPA:
3109 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3110 		memcpy((uint8_t *)&pe->PortName,
3111 		       (uint8_t *)&vport->fc_sparam.portName,
3112 		       sizeof(struct lpfc_name));
3113 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3114 		break;
3115 	case SLI_MGMT_GRHL:
3116 		size = GID_REQUEST_SZ - 4;
3117 		break;
3118 	default:
3119 		lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3120 				 "0298 FDMI cmdcode x%x not supported\n",
3121 				 cmdcode);
3122 		goto fdmi_cmd_free_bmpvirt;
3123 	}
3124 	CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3125 
3126 	bpl = (struct ulp_bde64 *)bmp->virt;
3127 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
3128 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
3129 	bpl->tus.f.bdeFlags = 0;
3130 	bpl->tus.f.bdeSize = size;
3131 
3132 	/*
3133 	 * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3134 	 * to hold ndlp reference for the corresponding callback function.
3135 	 */
3136 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
3137 		return 0;
3138 
3139 	/*
3140 	 * Decrement ndlp reference count to release ndlp reference held
3141 	 * for the failed command's callback function.
3142 	 */
3143 	lpfc_nlp_put(ndlp);
3144 
3145 fdmi_cmd_free_bmpvirt:
3146 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3147 fdmi_cmd_free_bmp:
3148 	kfree(bmp);
3149 fdmi_cmd_free_mpvirt:
3150 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
3151 fdmi_cmd_free_mp:
3152 	kfree(mp);
3153 fdmi_cmd_exit:
3154 	/* Issue FDMI request failed */
3155 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3156 			 "0244 Issue FDMI request failed Data: x%x\n",
3157 			 cmdcode);
3158 	return 1;
3159 }
3160 
3161 /**
3162  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3163  * @ptr - Context object of the timer.
3164  *
3165  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3166  * the worker thread.
3167  **/
3168 void
3169 lpfc_delayed_disc_tmo(struct timer_list *t)
3170 {
3171 	struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3172 	struct lpfc_hba   *phba = vport->phba;
3173 	uint32_t tmo_posted;
3174 	unsigned long iflag;
3175 
3176 	spin_lock_irqsave(&vport->work_port_lock, iflag);
3177 	tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3178 	if (!tmo_posted)
3179 		vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3180 	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3181 
3182 	if (!tmo_posted)
3183 		lpfc_worker_wake_up(phba);
3184 	return;
3185 }
3186 
3187 /**
3188  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3189  *      handle delayed discovery.
3190  * @vport: pointer to a host virtual N_Port data structure.
3191  *
3192  * This function start nport discovery of the vport.
3193  **/
3194 void
3195 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3196 {
3197 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3198 
3199 	spin_lock_irq(shost->host_lock);
3200 	if (!(vport->fc_flag & FC_DISC_DELAYED)) {
3201 		spin_unlock_irq(shost->host_lock);
3202 		return;
3203 	}
3204 	vport->fc_flag &= ~FC_DISC_DELAYED;
3205 	spin_unlock_irq(shost->host_lock);
3206 
3207 	lpfc_do_scr_ns_plogi(vport->phba, vport);
3208 }
3209 
3210 void
3211 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3212 {
3213 	struct lpfc_sli *psli = &phba->sli;
3214 	lpfc_vpd_t *vp = &phba->vpd;
3215 	uint32_t b1, b2, b3, b4, i, rev;
3216 	char c;
3217 	uint32_t *ptr, str[4];
3218 	uint8_t *fwname;
3219 
3220 	if (phba->sli_rev == LPFC_SLI_REV4)
3221 		snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3222 	else if (vp->rev.rBit) {
3223 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
3224 			rev = vp->rev.sli2FwRev;
3225 		else
3226 			rev = vp->rev.sli1FwRev;
3227 
3228 		b1 = (rev & 0x0000f000) >> 12;
3229 		b2 = (rev & 0x00000f00) >> 8;
3230 		b3 = (rev & 0x000000c0) >> 6;
3231 		b4 = (rev & 0x00000030) >> 4;
3232 
3233 		switch (b4) {
3234 		case 0:
3235 			c = 'N';
3236 			break;
3237 		case 1:
3238 			c = 'A';
3239 			break;
3240 		case 2:
3241 			c = 'B';
3242 			break;
3243 		case 3:
3244 			c = 'X';
3245 			break;
3246 		default:
3247 			c = 0;
3248 			break;
3249 		}
3250 		b4 = (rev & 0x0000000f);
3251 
3252 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
3253 			fwname = vp->rev.sli2FwName;
3254 		else
3255 			fwname = vp->rev.sli1FwName;
3256 
3257 		for (i = 0; i < 16; i++)
3258 			if (fwname[i] == 0x20)
3259 				fwname[i] = 0;
3260 
3261 		ptr = (uint32_t*)fwname;
3262 
3263 		for (i = 0; i < 3; i++)
3264 			str[i] = be32_to_cpu(*ptr++);
3265 
3266 		if (c == 0) {
3267 			if (flag)
3268 				sprintf(fwrevision, "%d.%d%d (%s)",
3269 					b1, b2, b3, (char *)str);
3270 			else
3271 				sprintf(fwrevision, "%d.%d%d", b1,
3272 					b2, b3);
3273 		} else {
3274 			if (flag)
3275 				sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3276 					b1, b2, b3, c,
3277 					b4, (char *)str);
3278 			else
3279 				sprintf(fwrevision, "%d.%d%d%c%d",
3280 					b1, b2, b3, c, b4);
3281 		}
3282 	} else {
3283 		rev = vp->rev.smFwRev;
3284 
3285 		b1 = (rev & 0xff000000) >> 24;
3286 		b2 = (rev & 0x00f00000) >> 20;
3287 		b3 = (rev & 0x000f0000) >> 16;
3288 		c  = (rev & 0x0000ff00) >> 8;
3289 		b4 = (rev & 0x000000ff);
3290 
3291 		sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3292 	}
3293 	return;
3294 }
3295