xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_ct.c (revision 8dda2eac)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term *
5  * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.     *
6  * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
7  * EMULEX and SLI are trademarks of Emulex.                        *
8  * www.broadcom.com                                                *
9  *                                                                 *
10  * This program is free software; you can redistribute it and/or   *
11  * modify it under the terms of version 2 of the GNU General       *
12  * Public License as published by the Free Software Foundation.    *
13  * This program is distributed in the hope that it will be useful. *
14  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
15  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
16  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
17  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
18  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
19  * more details, a copy of which can be found in the file COPYING  *
20  * included with this package.                                     *
21  *******************************************************************/
22 
23 /*
24  * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
25  */
26 
27 #include <linux/blkdev.h>
28 #include <linux/pci.h>
29 #include <linux/interrupt.h>
30 #include <linux/slab.h>
31 #include <linux/utsname.h>
32 
33 #include <scsi/scsi.h>
34 #include <scsi/scsi_device.h>
35 #include <scsi/scsi_host.h>
36 #include <scsi/scsi_transport_fc.h>
37 #include <scsi/fc/fc_fs.h>
38 
39 #include "lpfc_hw4.h"
40 #include "lpfc_hw.h"
41 #include "lpfc_sli.h"
42 #include "lpfc_sli4.h"
43 #include "lpfc_nl.h"
44 #include "lpfc_disc.h"
45 #include "lpfc.h"
46 #include "lpfc_scsi.h"
47 #include "lpfc_logmsg.h"
48 #include "lpfc_crtn.h"
49 #include "lpfc_version.h"
50 #include "lpfc_vport.h"
51 #include "lpfc_debugfs.h"
52 
53 /* FDMI Port Speed definitions - FC-GS-7 */
54 #define HBA_PORTSPEED_1GFC		0x00000001	/* 1G FC */
55 #define HBA_PORTSPEED_2GFC		0x00000002	/* 2G FC */
56 #define HBA_PORTSPEED_4GFC		0x00000008	/* 4G FC */
57 #define HBA_PORTSPEED_10GFC		0x00000004	/* 10G FC */
58 #define HBA_PORTSPEED_8GFC		0x00000010	/* 8G FC */
59 #define HBA_PORTSPEED_16GFC		0x00000020	/* 16G FC */
60 #define HBA_PORTSPEED_32GFC		0x00000040	/* 32G FC */
61 #define HBA_PORTSPEED_20GFC		0x00000080	/* 20G FC */
62 #define HBA_PORTSPEED_40GFC		0x00000100	/* 40G FC */
63 #define HBA_PORTSPEED_128GFC		0x00000200	/* 128G FC */
64 #define HBA_PORTSPEED_64GFC		0x00000400	/* 64G FC */
65 #define HBA_PORTSPEED_256GFC		0x00000800	/* 256G FC */
66 #define HBA_PORTSPEED_UNKNOWN		0x00008000	/* Unknown */
67 #define HBA_PORTSPEED_10GE		0x00010000	/* 10G E */
68 #define HBA_PORTSPEED_40GE		0x00020000	/* 40G E */
69 #define HBA_PORTSPEED_100GE		0x00040000	/* 100G E */
70 #define HBA_PORTSPEED_25GE		0x00080000	/* 25G E */
71 #define HBA_PORTSPEED_50GE		0x00100000	/* 50G E */
72 #define HBA_PORTSPEED_400GE		0x00200000	/* 400G E */
73 
74 #define FOURBYTES	4
75 
76 
77 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
78 static void
79 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
80 		      struct lpfc_iocbq *rspiocb);
81 
82 static void
83 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
84 			  struct lpfc_dmabuf *mp, uint32_t size)
85 {
86 	if (!mp) {
87 		lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
88 				"0146 Ignoring unsolicited CT No HBQ "
89 				"status = x%x\n",
90 				piocbq->iocb.ulpStatus);
91 	}
92 	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
93 			"0145 Ignoring unsolicted CT HBQ Size:%d "
94 			"status = x%x\n",
95 			size, piocbq->iocb.ulpStatus);
96 }
97 
98 static void
99 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
100 		     struct lpfc_dmabuf *mp, uint32_t size)
101 {
102 	lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
103 }
104 
105 /**
106  * lpfc_ct_unsol_cmpl : Completion callback function for unsol ct commands
107  * @phba : pointer to lpfc hba data structure.
108  * @cmdiocb : pointer to lpfc command iocb data structure.
109  * @rspiocb : pointer to lpfc response iocb data structure.
110  *
111  * This routine is the callback function for issuing unsol ct reject command.
112  * The memory allocated in the reject command path is freed up here.
113  **/
114 static void
115 lpfc_ct_unsol_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
116 		   struct lpfc_iocbq *rspiocb)
117 {
118 	struct lpfc_nodelist *ndlp;
119 	struct lpfc_dmabuf *mp, *bmp;
120 
121 	ndlp = (struct lpfc_nodelist *)cmdiocb->context1;
122 	if (ndlp)
123 		lpfc_nlp_put(ndlp);
124 
125 	mp = cmdiocb->context2;
126 	bmp = cmdiocb->context3;
127 	if (mp) {
128 		lpfc_mbuf_free(phba, mp->virt, mp->phys);
129 		kfree(mp);
130 		cmdiocb->context2 = NULL;
131 	}
132 
133 	if (bmp) {
134 		lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
135 		kfree(bmp);
136 		cmdiocb->context3 = NULL;
137 	}
138 
139 	lpfc_sli_release_iocbq(phba, cmdiocb);
140 }
141 
142 /**
143  * lpfc_ct_reject_event - Issue reject for unhandled CT MIB commands
144  * @ndlp: pointer to a node-list data structure.
145  * @ct_req: pointer to the CT request data structure.
146  * @rx_id: rx_id of the received UNSOL CT command
147  * @ox_id: ox_id of the UNSOL CT command
148  *
149  * This routine is invoked by the lpfc_ct_handle_mibreq routine for sending
150  * a reject response. Reject response is sent for the unhandled commands.
151  **/
152 static void
153 lpfc_ct_reject_event(struct lpfc_nodelist *ndlp,
154 		     struct lpfc_sli_ct_request *ct_req,
155 		     u16 rx_id, u16 ox_id)
156 {
157 	struct lpfc_vport *vport = ndlp->vport;
158 	struct lpfc_hba *phba = vport->phba;
159 	struct lpfc_sli_ct_request *ct_rsp;
160 	struct lpfc_iocbq *cmdiocbq = NULL;
161 	struct lpfc_dmabuf *bmp = NULL;
162 	struct lpfc_dmabuf *mp = NULL;
163 	struct ulp_bde64 *bpl;
164 	IOCB_t *icmd;
165 	u8 rc = 0;
166 
167 	/* fill in BDEs for command */
168 	mp = kmalloc(sizeof(*mp), GFP_KERNEL);
169 	if (!mp) {
170 		rc = 1;
171 		goto ct_exit;
172 	}
173 
174 	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp->phys);
175 	if (!mp->virt) {
176 		rc = 2;
177 		goto ct_free_mp;
178 	}
179 
180 	/* Allocate buffer for Buffer ptr list */
181 	bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
182 	if (!bmp) {
183 		rc = 3;
184 		goto ct_free_mpvirt;
185 	}
186 
187 	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &bmp->phys);
188 	if (!bmp->virt) {
189 		rc = 4;
190 		goto ct_free_bmp;
191 	}
192 
193 	INIT_LIST_HEAD(&mp->list);
194 	INIT_LIST_HEAD(&bmp->list);
195 
196 	bpl = (struct ulp_bde64 *)bmp->virt;
197 	memset(bpl, 0, sizeof(struct ulp_bde64));
198 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
199 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
200 	bpl->tus.f.bdeFlags = BUFF_TYPE_BLP_64;
201 	bpl->tus.f.bdeSize = (LPFC_CT_PREAMBLE - 4);
202 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
203 
204 	ct_rsp = (struct lpfc_sli_ct_request *)mp->virt;
205 	memset(ct_rsp, 0, sizeof(struct lpfc_sli_ct_request));
206 
207 	ct_rsp->RevisionId.bits.Revision = SLI_CT_REVISION;
208 	ct_rsp->RevisionId.bits.InId = 0;
209 	ct_rsp->FsType = ct_req->FsType;
210 	ct_rsp->FsSubType = ct_req->FsSubType;
211 	ct_rsp->CommandResponse.bits.Size = 0;
212 	ct_rsp->CommandResponse.bits.CmdRsp =
213 		cpu_to_be16(SLI_CT_RESPONSE_FS_RJT);
214 	ct_rsp->ReasonCode = SLI_CT_REQ_NOT_SUPPORTED;
215 	ct_rsp->Explanation = SLI_CT_NO_ADDITIONAL_EXPL;
216 
217 	cmdiocbq = lpfc_sli_get_iocbq(phba);
218 	if (!cmdiocbq) {
219 		rc = 5;
220 		goto ct_free_bmpvirt;
221 	}
222 
223 	icmd = &cmdiocbq->iocb;
224 	icmd->un.genreq64.bdl.ulpIoTag32 = 0;
225 	icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
226 	icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
227 	icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
228 	icmd->un.genreq64.bdl.bdeSize = sizeof(struct ulp_bde64);
229 	icmd->un.genreq64.w5.hcsw.Fctl = (LS | LA);
230 	icmd->un.genreq64.w5.hcsw.Dfctl = 0;
231 	icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_SOL_CTL;
232 	icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
233 	icmd->ulpCommand = CMD_XMIT_SEQUENCE64_CX;
234 	icmd->ulpBdeCount = 1;
235 	icmd->ulpLe = 1;
236 	icmd->ulpClass = CLASS3;
237 
238 	/* Save for completion so we can release these resources */
239 	cmdiocbq->context1 = lpfc_nlp_get(ndlp);
240 	cmdiocbq->context2 = (uint8_t *)mp;
241 	cmdiocbq->context3 = (uint8_t *)bmp;
242 	cmdiocbq->iocb_cmpl = lpfc_ct_unsol_cmpl;
243 	icmd->ulpContext = rx_id;  /* Xri / rx_id */
244 	icmd->unsli3.rcvsli3.ox_id = ox_id;
245 	icmd->un.ulpWord[3] =
246 		phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
247 	icmd->ulpTimeout = (3 * phba->fc_ratov);
248 
249 	cmdiocbq->retry = 0;
250 	cmdiocbq->vport = vport;
251 	cmdiocbq->context_un.ndlp = NULL;
252 	cmdiocbq->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
253 
254 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
255 	if (!rc)
256 		return;
257 
258 	rc = 6;
259 	lpfc_nlp_put(ndlp);
260 	lpfc_sli_release_iocbq(phba, cmdiocbq);
261 ct_free_bmpvirt:
262 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
263 ct_free_bmp:
264 	kfree(bmp);
265 ct_free_mpvirt:
266 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
267 ct_free_mp:
268 	kfree(mp);
269 ct_exit:
270 	lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
271 			 "6440 Unsol CT: Rsp err %d Data: x%x\n",
272 			 rc, vport->fc_flag);
273 }
274 
275 /**
276  * lpfc_ct_handle_mibreq - Process an unsolicited CT MIB request data buffer
277  * @phba: pointer to lpfc hba data structure.
278  * @ctiocbq: pointer to lpfc CT command iocb data structure.
279  *
280  * This routine is used for processing the IOCB associated with a unsolicited
281  * CT MIB request. It first determines whether there is an existing ndlp that
282  * matches the DID from the unsolicited IOCB. If not, it will return.
283  **/
284 static void
285 lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq)
286 {
287 	struct lpfc_sli_ct_request *ct_req;
288 	struct lpfc_nodelist *ndlp = NULL;
289 	struct lpfc_vport *vport = NULL;
290 	IOCB_t *icmd = &ctiocbq->iocb;
291 	u32 mi_cmd, vpi;
292 	u32 did = 0;
293 
294 	vpi = ctiocbq->iocb.unsli3.rcvsli3.vpi;
295 	vport = lpfc_find_vport_by_vpid(phba, vpi);
296 	if (!vport) {
297 		lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
298 				"6437 Unsol CT: VPORT NULL vpi : x%x\n",
299 				vpi);
300 		return;
301 	}
302 
303 	did = ctiocbq->iocb.un.rcvels.remoteID;
304 	if (icmd->ulpStatus) {
305 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
306 				 "6438 Unsol CT: status:x%x/x%x did : x%x\n",
307 				 icmd->ulpStatus, icmd->un.ulpWord[4], did);
308 		return;
309 	}
310 
311 	/* Ignore traffic received during vport shutdown */
312 	if (vport->fc_flag & FC_UNLOADING)
313 		return;
314 
315 	ndlp = lpfc_findnode_did(vport, did);
316 	if (!ndlp) {
317 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
318 				 "6439 Unsol CT: NDLP Not Found for DID : x%x",
319 				 did);
320 		return;
321 	}
322 
323 	ct_req = ((struct lpfc_sli_ct_request *)
324 		 (((struct lpfc_dmabuf *)ctiocbq->context2)->virt));
325 
326 	mi_cmd = ct_req->CommandResponse.bits.CmdRsp;
327 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
328 			 "6442 : MI Cmd : x%x Not Supported\n", mi_cmd);
329 	lpfc_ct_reject_event(ndlp, ct_req,
330 			     ctiocbq->iocb.ulpContext,
331 			     ctiocbq->iocb.unsli3.rcvsli3.ox_id);
332 }
333 
334 /**
335  * lpfc_ct_unsol_event - Process an unsolicited event from a ct sli ring
336  * @phba: pointer to lpfc hba data structure.
337  * @pring: pointer to a SLI ring.
338  * @ctiocbq: pointer to lpfc ct iocb data structure.
339  *
340  * This routine is used to process an unsolicited event received from a SLI
341  * (Service Level Interface) ring. The actual processing of the data buffer
342  * associated with the unsolicited event is done by invoking appropriate routine
343  * after properly set up the iocb buffer from the SLI ring on which the
344  * unsolicited event was received.
345  **/
346 void
347 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
348 		    struct lpfc_iocbq *ctiocbq)
349 {
350 	struct lpfc_dmabuf *mp = NULL;
351 	IOCB_t *icmd = &ctiocbq->iocb;
352 	int i;
353 	struct lpfc_iocbq *iocbq;
354 	dma_addr_t dma_addr;
355 	uint32_t size;
356 	struct list_head head;
357 	struct lpfc_sli_ct_request *ct_req;
358 	struct lpfc_dmabuf *bdeBuf1 = ctiocbq->context2;
359 	struct lpfc_dmabuf *bdeBuf2 = ctiocbq->context3;
360 
361 	ctiocbq->context1 = NULL;
362 	ctiocbq->context2 = NULL;
363 	ctiocbq->context3 = NULL;
364 
365 	if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
366 		lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
367 	} else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
368 		   ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) ==
369 		   IOERR_RCV_BUFFER_WAITING)) {
370 		/* Not enough posted buffers; Try posting more buffers */
371 		phba->fc_stat.NoRcvBuf++;
372 		if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
373 			lpfc_post_buffer(phba, pring, 2);
374 		return;
375 	}
376 
377 	/* If there are no BDEs associated
378 	 * with this IOCB, there is nothing to do.
379 	 */
380 	if (icmd->ulpBdeCount == 0)
381 		return;
382 
383 	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
384 		ctiocbq->context2 = bdeBuf1;
385 		if (icmd->ulpBdeCount == 2)
386 			ctiocbq->context3 = bdeBuf2;
387 	} else {
388 		dma_addr = getPaddr(icmd->un.cont64[0].addrHigh,
389 				    icmd->un.cont64[0].addrLow);
390 		ctiocbq->context2 = lpfc_sli_ringpostbuf_get(phba, pring,
391 							     dma_addr);
392 		if (icmd->ulpBdeCount == 2) {
393 			dma_addr = getPaddr(icmd->un.cont64[1].addrHigh,
394 					    icmd->un.cont64[1].addrLow);
395 			ctiocbq->context3 = lpfc_sli_ringpostbuf_get(phba,
396 								     pring,
397 								     dma_addr);
398 		}
399 	}
400 
401 	ct_req = ((struct lpfc_sli_ct_request *)
402 		 (((struct lpfc_dmabuf *)ctiocbq->context2)->virt));
403 
404 	if (ct_req->FsType == SLI_CT_MANAGEMENT_SERVICE &&
405 	    ct_req->FsSubType == SLI_CT_MIB_Subtypes) {
406 		lpfc_ct_handle_mibreq(phba, ctiocbq);
407 	} else {
408 		if (!lpfc_bsg_ct_unsol_event(phba, pring, ctiocbq))
409 			return;
410 	}
411 
412 	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
413 		INIT_LIST_HEAD(&head);
414 		list_add_tail(&head, &ctiocbq->list);
415 		list_for_each_entry(iocbq, &head, list) {
416 			icmd = &iocbq->iocb;
417 			if (icmd->ulpBdeCount == 0)
418 				continue;
419 			bdeBuf1 = iocbq->context2;
420 			iocbq->context2 = NULL;
421 			size  = icmd->un.cont64[0].tus.f.bdeSize;
422 			lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf1, size);
423 			lpfc_in_buf_free(phba, bdeBuf1);
424 			if (icmd->ulpBdeCount == 2) {
425 				bdeBuf2 = iocbq->context3;
426 				iocbq->context3 = NULL;
427 				size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
428 				lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf2,
429 						     size);
430 				lpfc_in_buf_free(phba, bdeBuf2);
431 			}
432 		}
433 		list_del(&head);
434 	} else {
435 		INIT_LIST_HEAD(&head);
436 		list_add_tail(&head, &ctiocbq->list);
437 		list_for_each_entry(iocbq, &head, list) {
438 			icmd = &iocbq->iocb;
439 			if (icmd->ulpBdeCount == 0)
440 				lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
441 			for (i = 0; i < icmd->ulpBdeCount; i++) {
442 				dma_addr = getPaddr(icmd->un.cont64[i].addrHigh,
443 						    icmd->un.cont64[i].addrLow);
444 				mp = lpfc_sli_ringpostbuf_get(phba, pring,
445 							      dma_addr);
446 				size = icmd->un.cont64[i].tus.f.bdeSize;
447 				lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
448 				lpfc_in_buf_free(phba, mp);
449 			}
450 			lpfc_post_buffer(phba, pring, i);
451 		}
452 		list_del(&head);
453 	}
454 }
455 
456 /**
457  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
458  * @phba: Pointer to HBA context object.
459  * @dmabuf: pointer to a dmabuf that describes the FC sequence
460  *
461  * This function serves as the upper level protocol abort handler for CT
462  * protocol.
463  *
464  * Return 1 if abort has been handled, 0 otherwise.
465  **/
466 int
467 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
468 {
469 	int handled;
470 
471 	/* CT upper level goes through BSG */
472 	handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
473 
474 	return handled;
475 }
476 
477 static void
478 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
479 {
480 	struct lpfc_dmabuf *mlast, *next_mlast;
481 
482 	list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
483 		lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
484 		list_del(&mlast->list);
485 		kfree(mlast);
486 	}
487 	lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
488 	kfree(mlist);
489 	return;
490 }
491 
492 static struct lpfc_dmabuf *
493 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
494 		  uint32_t size, int *entries)
495 {
496 	struct lpfc_dmabuf *mlist = NULL;
497 	struct lpfc_dmabuf *mp;
498 	int cnt, i = 0;
499 
500 	/* We get chunks of FCELSSIZE */
501 	cnt = size > FCELSSIZE ? FCELSSIZE: size;
502 
503 	while (size) {
504 		/* Allocate buffer for rsp payload */
505 		mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
506 		if (!mp) {
507 			if (mlist)
508 				lpfc_free_ct_rsp(phba, mlist);
509 			return NULL;
510 		}
511 
512 		INIT_LIST_HEAD(&mp->list);
513 
514 		if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
515 		    cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
516 			mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
517 		else
518 			mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
519 
520 		if (!mp->virt) {
521 			kfree(mp);
522 			if (mlist)
523 				lpfc_free_ct_rsp(phba, mlist);
524 			return NULL;
525 		}
526 
527 		/* Queue it to a linked list */
528 		if (!mlist)
529 			mlist = mp;
530 		else
531 			list_add_tail(&mp->list, &mlist->list);
532 
533 		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
534 		/* build buffer ptr list for IOCB */
535 		bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
536 		bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
537 		bpl->tus.f.bdeSize = (uint16_t) cnt;
538 		bpl->tus.w = le32_to_cpu(bpl->tus.w);
539 		bpl++;
540 
541 		i++;
542 		size -= cnt;
543 	}
544 
545 	*entries = i;
546 	return mlist;
547 }
548 
549 int
550 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
551 {
552 	struct lpfc_dmabuf *buf_ptr;
553 
554 	/* I/O job is complete so context is now invalid*/
555 	ctiocb->context_un.ndlp = NULL;
556 	if (ctiocb->context1) {
557 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
558 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
559 		kfree(buf_ptr);
560 		ctiocb->context1 = NULL;
561 	}
562 	if (ctiocb->context2) {
563 		lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
564 		ctiocb->context2 = NULL;
565 	}
566 
567 	if (ctiocb->context3) {
568 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
569 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
570 		kfree(buf_ptr);
571 		ctiocb->context3 = NULL;
572 	}
573 	lpfc_sli_release_iocbq(phba, ctiocb);
574 	return 0;
575 }
576 
577 /*
578  * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
579  * @vport: pointer to a host virtual N_Port data structure.
580  * @bmp: Pointer to BPL for SLI command
581  * @inp: Pointer to data buffer for response data.
582  * @outp: Pointer to data buffer that hold the CT command.
583  * @cmpl: completion routine to call when command completes
584  * @ndlp: Destination NPort nodelist entry
585  *
586  * This function as the final part for issuing a CT command.
587  */
588 static int
589 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
590 	     struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
591 	     void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
592 		     struct lpfc_iocbq *),
593 	     struct lpfc_nodelist *ndlp, uint32_t event_tag, uint32_t num_entry,
594 	     uint32_t tmo, uint8_t retry)
595 {
596 	struct lpfc_hba  *phba = vport->phba;
597 	IOCB_t *icmd;
598 	struct lpfc_iocbq *geniocb;
599 	int rc;
600 
601 	/* Allocate buffer for  command iocb */
602 	geniocb = lpfc_sli_get_iocbq(phba);
603 
604 	if (geniocb == NULL)
605 		return 1;
606 
607 	icmd = &geniocb->iocb;
608 	icmd->un.genreq64.bdl.ulpIoTag32 = 0;
609 	icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
610 	icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
611 	icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
612 	icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64));
613 
614 	geniocb->context3 = (uint8_t *) bmp;
615 
616 	/* Save for completion so we can release these resources */
617 	geniocb->context1 = (uint8_t *) inp;
618 	geniocb->context2 = (uint8_t *) outp;
619 
620 	geniocb->event_tag = event_tag;
621 
622 	/* Fill in payload, bp points to frame payload */
623 	icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
624 
625 	/* Fill in rest of iocb */
626 	icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
627 	icmd->un.genreq64.w5.hcsw.Dfctl = 0;
628 	icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
629 	icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
630 
631 	if (!tmo) {
632 		 /* FC spec states we need 3 * ratov for CT requests */
633 		tmo = (3 * phba->fc_ratov);
634 	}
635 	icmd->ulpTimeout = tmo;
636 	icmd->ulpBdeCount = 1;
637 	icmd->ulpLe = 1;
638 	icmd->ulpClass = CLASS3;
639 	icmd->ulpContext = ndlp->nlp_rpi;
640 	if (phba->sli_rev == LPFC_SLI_REV4)
641 		icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
642 
643 	if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
644 		/* For GEN_REQUEST64_CR, use the RPI */
645 		icmd->ulpCt_h = 0;
646 		icmd->ulpCt_l = 0;
647 	}
648 
649 	/* Issue GEN REQ IOCB for NPORT <did> */
650 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
651 			 "0119 Issue GEN REQ IOCB to NPORT x%x "
652 			 "Data: x%x x%x\n",
653 			 ndlp->nlp_DID, icmd->ulpIoTag,
654 			 vport->port_state);
655 	geniocb->iocb_cmpl = cmpl;
656 	geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
657 	geniocb->vport = vport;
658 	geniocb->retry = retry;
659 	geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
660 	if (!geniocb->context_un.ndlp)
661 		goto out;
662 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
663 
664 	if (rc == IOCB_ERROR) {
665 		geniocb->context_un.ndlp = NULL;
666 		lpfc_nlp_put(ndlp);
667 		goto out;
668 	}
669 
670 	return 0;
671 out:
672 	lpfc_sli_release_iocbq(phba, geniocb);
673 	return 1;
674 }
675 
676 /*
677  * lpfc_ct_cmd - Build and issue a CT command
678  * @vport: pointer to a host virtual N_Port data structure.
679  * @inmp: Pointer to data buffer for response data.
680  * @bmp: Pointer to BPL for SLI command
681  * @ndlp: Destination NPort nodelist entry
682  * @cmpl: completion routine to call when command completes
683  *
684  * This function is called for issuing a CT command.
685  */
686 static int
687 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
688 	    struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
689 	    void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
690 			  struct lpfc_iocbq *),
691 	    uint32_t rsp_size, uint8_t retry)
692 {
693 	struct lpfc_hba  *phba = vport->phba;
694 	struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
695 	struct lpfc_dmabuf *outmp;
696 	int cnt = 0, status;
697 	int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
698 		CommandResponse.bits.CmdRsp;
699 
700 	bpl++;			/* Skip past ct request */
701 
702 	/* Put buffer(s) for ct rsp in bpl */
703 	outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
704 	if (!outmp)
705 		return -ENOMEM;
706 	/*
707 	 * Form the CT IOCB.  The total number of BDEs in this IOCB
708 	 * is the single command plus response count from
709 	 * lpfc_alloc_ct_rsp.
710 	 */
711 	cnt += 1;
712 	status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp,
713 			phba->fc_eventTag, cnt, 0, retry);
714 	if (status) {
715 		lpfc_free_ct_rsp(phba, outmp);
716 		return -ENOMEM;
717 	}
718 	return 0;
719 }
720 
721 struct lpfc_vport *
722 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
723 	struct lpfc_vport *vport_curr;
724 	unsigned long flags;
725 
726 	spin_lock_irqsave(&phba->port_list_lock, flags);
727 	list_for_each_entry(vport_curr, &phba->port_list, listentry) {
728 		if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
729 			spin_unlock_irqrestore(&phba->port_list_lock, flags);
730 			return vport_curr;
731 		}
732 	}
733 	spin_unlock_irqrestore(&phba->port_list_lock, flags);
734 	return NULL;
735 }
736 
737 static void
738 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
739 {
740 	struct lpfc_nodelist *ndlp;
741 
742 	if ((vport->port_type != LPFC_NPIV_PORT) ||
743 	    !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
744 
745 		ndlp = lpfc_setup_disc_node(vport, Did);
746 
747 		if (ndlp) {
748 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
749 				"Parse GID_FTrsp: did:x%x flg:x%x x%x",
750 				Did, ndlp->nlp_flag, vport->fc_flag);
751 
752 			/* By default, the driver expects to support FCP FC4 */
753 			if (fc4_type == FC_TYPE_FCP)
754 				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
755 
756 			if (fc4_type == FC_TYPE_NVME)
757 				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
758 
759 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
760 					 "0238 Process x%06x NameServer Rsp "
761 					 "Data: x%x x%x x%x x%x x%x\n", Did,
762 					 ndlp->nlp_flag, ndlp->nlp_fc4_type,
763 					 ndlp->nlp_state, vport->fc_flag,
764 					 vport->fc_rscn_id_cnt);
765 
766 			/* if ndlp needs to be discovered and prior
767 			 * state of ndlp hit devloss, change state to
768 			 * allow rediscovery.
769 			 */
770 			if (ndlp->nlp_flag & NLP_NPR_2B_DISC &&
771 			    ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
772 				lpfc_nlp_set_state(vport, ndlp,
773 						   NLP_STE_NPR_NODE);
774 			}
775 		} else {
776 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
777 				"Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
778 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
779 
780 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
781 					 "0239 Skip x%06x NameServer Rsp "
782 					 "Data: x%x x%x x%px\n",
783 					 Did, vport->fc_flag,
784 					 vport->fc_rscn_id_cnt, ndlp);
785 		}
786 	} else {
787 		if (!(vport->fc_flag & FC_RSCN_MODE) ||
788 		    lpfc_rscn_payload_check(vport, Did)) {
789 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
790 				"Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
791 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
792 
793 			/*
794 			 * This NPortID was previously a FCP/NVMe target,
795 			 * Don't even bother to send GFF_ID.
796 			 */
797 			ndlp = lpfc_findnode_did(vport, Did);
798 			if (ndlp &&
799 			    (ndlp->nlp_type &
800 			    (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
801 				if (fc4_type == FC_TYPE_FCP)
802 					ndlp->nlp_fc4_type |= NLP_FC4_FCP;
803 				if (fc4_type == FC_TYPE_NVME)
804 					ndlp->nlp_fc4_type |= NLP_FC4_NVME;
805 				lpfc_setup_disc_node(vport, Did);
806 			} else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
807 				   0, Did) == 0)
808 				vport->num_disc_nodes++;
809 			else
810 				lpfc_setup_disc_node(vport, Did);
811 		} else {
812 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
813 				"Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
814 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
815 
816 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
817 					 "0245 Skip x%06x NameServer Rsp "
818 					 "Data: x%x x%x\n", Did,
819 					 vport->fc_flag,
820 					 vport->fc_rscn_id_cnt);
821 		}
822 	}
823 }
824 
825 static void
826 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
827 {
828 	struct lpfc_hba *phba = vport->phba;
829 	struct lpfc_nodelist *ndlp = NULL;
830 	char *str;
831 
832 	if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
833 		str = "GID_FT";
834 	else
835 		str = "GID_PT";
836 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
837 			 "6430 Process %s rsp for %08x type %x %s %s\n",
838 			 str, Did, fc4_type,
839 			 (fc4_type == FC_TYPE_FCP) ?  "FCP" : " ",
840 			 (fc4_type == FC_TYPE_NVME) ?  "NVME" : " ");
841 	/*
842 	 * To conserve rpi's, filter out addresses for other
843 	 * vports on the same physical HBAs.
844 	 */
845 	if (Did != vport->fc_myDID &&
846 	    (!lpfc_find_vport_by_did(phba, Did) ||
847 	     vport->cfg_peer_port_login)) {
848 		if (!phba->nvmet_support) {
849 			/* FCPI/NVMEI path. Process Did */
850 			lpfc_prep_node_fc4type(vport, Did, fc4_type);
851 			return;
852 		}
853 		/* NVMET path.  NVMET only cares about NVMEI nodes. */
854 		list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
855 			if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
856 			    ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
857 				continue;
858 			spin_lock_irq(&ndlp->lock);
859 			if (ndlp->nlp_DID == Did)
860 				ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
861 			else
862 				ndlp->nlp_flag |= NLP_NVMET_RECOV;
863 			spin_unlock_irq(&ndlp->lock);
864 		}
865 	}
866 }
867 
868 static int
869 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
870 	    uint32_t Size)
871 {
872 	struct lpfc_sli_ct_request *Response =
873 		(struct lpfc_sli_ct_request *) mp->virt;
874 	struct lpfc_dmabuf *mlast, *next_mp;
875 	uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
876 	uint32_t Did, CTentry;
877 	int Cnt;
878 	struct list_head head;
879 	struct lpfc_nodelist *ndlp = NULL;
880 
881 	lpfc_set_disctmo(vport);
882 	vport->num_disc_nodes = 0;
883 	vport->fc_ns_retry = 0;
884 
885 
886 	list_add_tail(&head, &mp->list);
887 	list_for_each_entry_safe(mp, next_mp, &head, list) {
888 		mlast = mp;
889 
890 		Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
891 
892 		Size -= Cnt;
893 
894 		if (!ctptr) {
895 			ctptr = (uint32_t *) mlast->virt;
896 		} else
897 			Cnt -= 16;	/* subtract length of CT header */
898 
899 		/* Loop through entire NameServer list of DIDs */
900 		while (Cnt >= sizeof(uint32_t)) {
901 			/* Get next DID from NameServer List */
902 			CTentry = *ctptr++;
903 			Did = ((be32_to_cpu(CTentry)) & Mask_DID);
904 			lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
905 			if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
906 				goto nsout1;
907 
908 			Cnt -= sizeof(uint32_t);
909 		}
910 		ctptr = NULL;
911 
912 	}
913 
914 	/* All GID_FT entries processed.  If the driver is running in
915 	 * in target mode, put impacted nodes into recovery and drop
916 	 * the RPI to flush outstanding IO.
917 	 */
918 	if (vport->phba->nvmet_support) {
919 		list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
920 			if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
921 				continue;
922 			lpfc_disc_state_machine(vport, ndlp, NULL,
923 						NLP_EVT_DEVICE_RECOVERY);
924 			spin_lock_irq(&ndlp->lock);
925 			ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
926 			spin_unlock_irq(&ndlp->lock);
927 		}
928 	}
929 
930 nsout1:
931 	list_del(&head);
932 	return 0;
933 }
934 
935 static void
936 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
937 			struct lpfc_iocbq *rspiocb)
938 {
939 	struct lpfc_vport *vport = cmdiocb->vport;
940 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
941 	IOCB_t *irsp;
942 	struct lpfc_dmabuf *outp;
943 	struct lpfc_dmabuf *inp;
944 	struct lpfc_sli_ct_request *CTrsp;
945 	struct lpfc_sli_ct_request *CTreq;
946 	struct lpfc_nodelist *ndlp;
947 	int rc, type;
948 
949 	/* First save ndlp, before we overwrite it */
950 	ndlp = cmdiocb->context_un.ndlp;
951 
952 	/* we pass cmdiocb to state machine which needs rspiocb as well */
953 	cmdiocb->context_un.rsp_iocb = rspiocb;
954 	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
955 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
956 	irsp = &rspiocb->iocb;
957 
958 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
959 		 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
960 		irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
961 
962 	/* Ignore response if link flipped after this request was made */
963 	if (cmdiocb->event_tag != phba->fc_eventTag) {
964 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
965 				 "9043 Event tag mismatch. Ignoring NS rsp\n");
966 		goto out;
967 	}
968 
969 	/* Don't bother processing response if vport is being torn down. */
970 	if (vport->load_flag & FC_UNLOADING) {
971 		if (vport->fc_flag & FC_RSCN_MODE)
972 			lpfc_els_flush_rscn(vport);
973 		goto out;
974 	}
975 
976 	if (lpfc_els_chk_latt(vport)) {
977 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
978 				 "0216 Link event during NS query\n");
979 		if (vport->fc_flag & FC_RSCN_MODE)
980 			lpfc_els_flush_rscn(vport);
981 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
982 		goto out;
983 	}
984 	if (lpfc_error_lost_link(irsp)) {
985 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
986 				 "0226 NS query failed due to link event\n");
987 		if (vport->fc_flag & FC_RSCN_MODE)
988 			lpfc_els_flush_rscn(vport);
989 		goto out;
990 	}
991 
992 	spin_lock_irq(shost->host_lock);
993 	if (vport->fc_flag & FC_RSCN_DEFERRED) {
994 		vport->fc_flag &= ~FC_RSCN_DEFERRED;
995 		spin_unlock_irq(shost->host_lock);
996 
997 		/* This is a GID_FT completing so the gidft_inp counter was
998 		 * incremented before the GID_FT was issued to the wire.
999 		 */
1000 		if (vport->gidft_inp)
1001 			vport->gidft_inp--;
1002 
1003 		/*
1004 		 * Skip processing the NS response
1005 		 * Re-issue the NS cmd
1006 		 */
1007 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
1008 				 "0151 Process Deferred RSCN Data: x%x x%x\n",
1009 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1010 		lpfc_els_handle_rscn(vport);
1011 
1012 		goto out;
1013 	}
1014 	spin_unlock_irq(shost->host_lock);
1015 
1016 	if (irsp->ulpStatus) {
1017 		/* Check for retry */
1018 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1019 			if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
1020 			    (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
1021 			    IOERR_NO_RESOURCES)
1022 				vport->fc_ns_retry++;
1023 
1024 			type = lpfc_get_gidft_type(vport, cmdiocb);
1025 			if (type == 0)
1026 				goto out;
1027 
1028 			/* CT command is being retried */
1029 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
1030 					 vport->fc_ns_retry, type);
1031 			if (rc == 0)
1032 				goto out;
1033 			else { /* Unable to send NS cmd */
1034 				if (vport->gidft_inp)
1035 					vport->gidft_inp--;
1036 			}
1037 		}
1038 		if (vport->fc_flag & FC_RSCN_MODE)
1039 			lpfc_els_flush_rscn(vport);
1040 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1041 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1042 				 "0257 GID_FT Query error: 0x%x 0x%x\n",
1043 				 irsp->ulpStatus, vport->fc_ns_retry);
1044 	} else {
1045 		/* Good status, continue checking */
1046 		CTreq = (struct lpfc_sli_ct_request *) inp->virt;
1047 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1048 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1049 		    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1050 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1051 					 "0208 NameServer Rsp Data: x%x x%x "
1052 					 "x%x x%x sz x%x\n",
1053 					 vport->fc_flag,
1054 					 CTreq->un.gid.Fc4Type,
1055 					 vport->num_disc_nodes,
1056 					 vport->gidft_inp,
1057 					 irsp->un.genreq64.bdl.bdeSize);
1058 
1059 			lpfc_ns_rsp(vport,
1060 				    outp,
1061 				    CTreq->un.gid.Fc4Type,
1062 				    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
1063 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
1064 			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1065 			/* NameServer Rsp Error */
1066 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1067 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1068 				lpfc_printf_vlog(vport, KERN_INFO,
1069 					LOG_DISCOVERY,
1070 					"0269 No NameServer Entries "
1071 					"Data: x%x x%x x%x x%x\n",
1072 					CTrsp->CommandResponse.bits.CmdRsp,
1073 					(uint32_t) CTrsp->ReasonCode,
1074 					(uint32_t) CTrsp->Explanation,
1075 					vport->fc_flag);
1076 
1077 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1078 				"GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
1079 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1080 				(uint32_t) CTrsp->ReasonCode,
1081 				(uint32_t) CTrsp->Explanation);
1082 			} else {
1083 				lpfc_printf_vlog(vport, KERN_INFO,
1084 					LOG_DISCOVERY,
1085 					"0240 NameServer Rsp Error "
1086 					"Data: x%x x%x x%x x%x\n",
1087 					CTrsp->CommandResponse.bits.CmdRsp,
1088 					(uint32_t) CTrsp->ReasonCode,
1089 					(uint32_t) CTrsp->Explanation,
1090 					vport->fc_flag);
1091 
1092 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1093 				"GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1094 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1095 				(uint32_t) CTrsp->ReasonCode,
1096 				(uint32_t) CTrsp->Explanation);
1097 			}
1098 
1099 
1100 		} else {
1101 			/* NameServer Rsp Error */
1102 			lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1103 					"0241 NameServer Rsp Error "
1104 					"Data: x%x x%x x%x x%x\n",
1105 					CTrsp->CommandResponse.bits.CmdRsp,
1106 					(uint32_t) CTrsp->ReasonCode,
1107 					(uint32_t) CTrsp->Explanation,
1108 					vport->fc_flag);
1109 
1110 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1111 				"GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1112 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1113 				(uint32_t) CTrsp->ReasonCode,
1114 				(uint32_t) CTrsp->Explanation);
1115 		}
1116 		if (vport->gidft_inp)
1117 			vport->gidft_inp--;
1118 	}
1119 
1120 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1121 			 "4216 GID_FT cmpl inp %d disc %d\n",
1122 			 vport->gidft_inp, vport->num_disc_nodes);
1123 
1124 	/* Link up / RSCN discovery */
1125 	if ((vport->num_disc_nodes == 0) &&
1126 	    (vport->gidft_inp == 0)) {
1127 		/*
1128 		 * The driver has cycled through all Nports in the RSCN payload.
1129 		 * Complete the handling by cleaning up and marking the
1130 		 * current driver state.
1131 		 */
1132 		if (vport->port_state >= LPFC_DISC_AUTH) {
1133 			if (vport->fc_flag & FC_RSCN_MODE) {
1134 				lpfc_els_flush_rscn(vport);
1135 				spin_lock_irq(shost->host_lock);
1136 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1137 				spin_unlock_irq(shost->host_lock);
1138 			}
1139 			else
1140 				lpfc_els_flush_rscn(vport);
1141 		}
1142 
1143 		lpfc_disc_start(vport);
1144 	}
1145 out:
1146 	lpfc_ct_free_iocb(phba, cmdiocb);
1147 	lpfc_nlp_put(ndlp);
1148 	return;
1149 }
1150 
1151 static void
1152 lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1153 			struct lpfc_iocbq *rspiocb)
1154 {
1155 	struct lpfc_vport *vport = cmdiocb->vport;
1156 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1157 	IOCB_t *irsp;
1158 	struct lpfc_dmabuf *outp;
1159 	struct lpfc_dmabuf *inp;
1160 	struct lpfc_sli_ct_request *CTrsp;
1161 	struct lpfc_sli_ct_request *CTreq;
1162 	struct lpfc_nodelist *ndlp;
1163 	int rc;
1164 
1165 	/* First save ndlp, before we overwrite it */
1166 	ndlp = cmdiocb->context_un.ndlp;
1167 
1168 	/* we pass cmdiocb to state machine which needs rspiocb as well */
1169 	cmdiocb->context_un.rsp_iocb = rspiocb;
1170 	inp = (struct lpfc_dmabuf *)cmdiocb->context1;
1171 	outp = (struct lpfc_dmabuf *)cmdiocb->context2;
1172 	irsp = &rspiocb->iocb;
1173 
1174 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1175 			      "GID_PT cmpl:     status:x%x/x%x rtry:%d",
1176 			      irsp->ulpStatus, irsp->un.ulpWord[4],
1177 			      vport->fc_ns_retry);
1178 
1179 	/* Ignore response if link flipped after this request was made */
1180 	if (cmdiocb->event_tag != phba->fc_eventTag) {
1181 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1182 				 "9044 Event tag mismatch. Ignoring NS rsp\n");
1183 		goto out;
1184 	}
1185 
1186 	/* Don't bother processing response if vport is being torn down. */
1187 	if (vport->load_flag & FC_UNLOADING) {
1188 		if (vport->fc_flag & FC_RSCN_MODE)
1189 			lpfc_els_flush_rscn(vport);
1190 		goto out;
1191 	}
1192 
1193 	if (lpfc_els_chk_latt(vport)) {
1194 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1195 				 "4108 Link event during NS query\n");
1196 		if (vport->fc_flag & FC_RSCN_MODE)
1197 			lpfc_els_flush_rscn(vport);
1198 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1199 		goto out;
1200 	}
1201 	if (lpfc_error_lost_link(irsp)) {
1202 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1203 				 "4166 NS query failed due to link event\n");
1204 		if (vport->fc_flag & FC_RSCN_MODE)
1205 			lpfc_els_flush_rscn(vport);
1206 		goto out;
1207 	}
1208 
1209 	spin_lock_irq(shost->host_lock);
1210 	if (vport->fc_flag & FC_RSCN_DEFERRED) {
1211 		vport->fc_flag &= ~FC_RSCN_DEFERRED;
1212 		spin_unlock_irq(shost->host_lock);
1213 
1214 		/* This is a GID_PT completing so the gidft_inp counter was
1215 		 * incremented before the GID_PT was issued to the wire.
1216 		 */
1217 		if (vport->gidft_inp)
1218 			vport->gidft_inp--;
1219 
1220 		/*
1221 		 * Skip processing the NS response
1222 		 * Re-issue the NS cmd
1223 		 */
1224 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
1225 				 "4167 Process Deferred RSCN Data: x%x x%x\n",
1226 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1227 		lpfc_els_handle_rscn(vport);
1228 
1229 		goto out;
1230 	}
1231 	spin_unlock_irq(shost->host_lock);
1232 
1233 	if (irsp->ulpStatus) {
1234 		/* Check for retry */
1235 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1236 			if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
1237 			    (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
1238 			    IOERR_NO_RESOURCES)
1239 				vport->fc_ns_retry++;
1240 
1241 			/* CT command is being retried */
1242 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
1243 					 vport->fc_ns_retry, GID_PT_N_PORT);
1244 			if (rc == 0)
1245 				goto out;
1246 			else { /* Unable to send NS cmd */
1247 				if (vport->gidft_inp)
1248 					vport->gidft_inp--;
1249 			}
1250 		}
1251 		if (vport->fc_flag & FC_RSCN_MODE)
1252 			lpfc_els_flush_rscn(vport);
1253 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1254 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1255 				 "4103 GID_FT Query error: 0x%x 0x%x\n",
1256 				 irsp->ulpStatus, vport->fc_ns_retry);
1257 	} else {
1258 		/* Good status, continue checking */
1259 		CTreq = (struct lpfc_sli_ct_request *)inp->virt;
1260 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1261 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1262 		    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1263 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1264 					 "4105 NameServer Rsp Data: x%x x%x "
1265 					 "x%x x%x sz x%x\n",
1266 					 vport->fc_flag,
1267 					 CTreq->un.gid.Fc4Type,
1268 					 vport->num_disc_nodes,
1269 					 vport->gidft_inp,
1270 					 irsp->un.genreq64.bdl.bdeSize);
1271 
1272 			lpfc_ns_rsp(vport,
1273 				    outp,
1274 				    CTreq->un.gid.Fc4Type,
1275 				    (uint32_t)(irsp->un.genreq64.bdl.bdeSize));
1276 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
1277 			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1278 			/* NameServer Rsp Error */
1279 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1280 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1281 				lpfc_printf_vlog(
1282 					vport, KERN_INFO, LOG_DISCOVERY,
1283 					"4106 No NameServer Entries "
1284 					"Data: x%x x%x x%x x%x\n",
1285 					CTrsp->CommandResponse.bits.CmdRsp,
1286 					(uint32_t)CTrsp->ReasonCode,
1287 					(uint32_t)CTrsp->Explanation,
1288 					vport->fc_flag);
1289 
1290 				lpfc_debugfs_disc_trc(
1291 				vport, LPFC_DISC_TRC_CT,
1292 				"GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
1293 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1294 				(uint32_t)CTrsp->ReasonCode,
1295 				(uint32_t)CTrsp->Explanation);
1296 			} else {
1297 				lpfc_printf_vlog(
1298 					vport, KERN_INFO, LOG_DISCOVERY,
1299 					"4107 NameServer Rsp Error "
1300 					"Data: x%x x%x x%x x%x\n",
1301 					CTrsp->CommandResponse.bits.CmdRsp,
1302 					(uint32_t)CTrsp->ReasonCode,
1303 					(uint32_t)CTrsp->Explanation,
1304 					vport->fc_flag);
1305 
1306 				lpfc_debugfs_disc_trc(
1307 				vport, LPFC_DISC_TRC_CT,
1308 				"GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1309 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1310 				(uint32_t)CTrsp->ReasonCode,
1311 				(uint32_t)CTrsp->Explanation);
1312 			}
1313 		} else {
1314 			/* NameServer Rsp Error */
1315 			lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1316 					 "4109 NameServer Rsp Error "
1317 					 "Data: x%x x%x x%x x%x\n",
1318 					 CTrsp->CommandResponse.bits.CmdRsp,
1319 					 (uint32_t)CTrsp->ReasonCode,
1320 					 (uint32_t)CTrsp->Explanation,
1321 					 vport->fc_flag);
1322 
1323 			lpfc_debugfs_disc_trc(
1324 				vport, LPFC_DISC_TRC_CT,
1325 				"GID_PT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1326 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1327 				(uint32_t)CTrsp->ReasonCode,
1328 				(uint32_t)CTrsp->Explanation);
1329 		}
1330 		if (vport->gidft_inp)
1331 			vport->gidft_inp--;
1332 	}
1333 
1334 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1335 			 "6450 GID_PT cmpl inp %d disc %d\n",
1336 			 vport->gidft_inp, vport->num_disc_nodes);
1337 
1338 	/* Link up / RSCN discovery */
1339 	if ((vport->num_disc_nodes == 0) &&
1340 	    (vport->gidft_inp == 0)) {
1341 		/*
1342 		 * The driver has cycled through all Nports in the RSCN payload.
1343 		 * Complete the handling by cleaning up and marking the
1344 		 * current driver state.
1345 		 */
1346 		if (vport->port_state >= LPFC_DISC_AUTH) {
1347 			if (vport->fc_flag & FC_RSCN_MODE) {
1348 				lpfc_els_flush_rscn(vport);
1349 				spin_lock_irq(shost->host_lock);
1350 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1351 				spin_unlock_irq(shost->host_lock);
1352 			} else {
1353 				lpfc_els_flush_rscn(vport);
1354 			}
1355 		}
1356 
1357 		lpfc_disc_start(vport);
1358 	}
1359 out:
1360 	lpfc_ct_free_iocb(phba, cmdiocb);
1361 	lpfc_nlp_put(ndlp);
1362 }
1363 
1364 static void
1365 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1366 			struct lpfc_iocbq *rspiocb)
1367 {
1368 	struct lpfc_vport *vport = cmdiocb->vport;
1369 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1370 	IOCB_t *irsp = &rspiocb->iocb;
1371 	struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1372 	struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1373 	struct lpfc_sli_ct_request *CTrsp;
1374 	int did, rc, retry;
1375 	uint8_t fbits;
1376 	struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL;
1377 
1378 	did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1379 	did = be32_to_cpu(did);
1380 
1381 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1382 		"GFF_ID cmpl:     status:x%x/x%x did:x%x",
1383 		irsp->ulpStatus, irsp->un.ulpWord[4], did);
1384 
1385 	/* Ignore response if link flipped after this request was made */
1386 	if (cmdiocb->event_tag != phba->fc_eventTag) {
1387 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1388 				 "9045 Event tag mismatch. Ignoring NS rsp\n");
1389 		goto iocb_free;
1390 	}
1391 
1392 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1393 		/* Good status, continue checking */
1394 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1395 		fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1396 
1397 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1398 				 "6431 Process GFF_ID rsp for %08x "
1399 				 "fbits %02x %s %s\n",
1400 				 did, fbits,
1401 				 (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1402 				 (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1403 
1404 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1405 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
1406 			if ((fbits & FC4_FEATURE_INIT) &&
1407 			    !(fbits & FC4_FEATURE_TARGET)) {
1408 				lpfc_printf_vlog(vport, KERN_INFO,
1409 						 LOG_DISCOVERY,
1410 						 "0270 Skip x%x GFF "
1411 						 "NameServer Rsp Data: (init) "
1412 						 "x%x x%x\n", did, fbits,
1413 						 vport->fc_rscn_id_cnt);
1414 				goto out;
1415 			}
1416 		}
1417 	}
1418 	else {
1419 		/* Check for retry */
1420 		if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1421 			retry = 1;
1422 			if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1423 				switch ((irsp->un.ulpWord[4] &
1424 					IOERR_PARAM_MASK)) {
1425 
1426 				case IOERR_NO_RESOURCES:
1427 					/* We don't increment the retry
1428 					 * count for this case.
1429 					 */
1430 					break;
1431 				case IOERR_LINK_DOWN:
1432 				case IOERR_SLI_ABORTED:
1433 				case IOERR_SLI_DOWN:
1434 					retry = 0;
1435 					break;
1436 				default:
1437 					cmdiocb->retry++;
1438 				}
1439 			}
1440 			else
1441 				cmdiocb->retry++;
1442 
1443 			if (retry) {
1444 				/* CT command is being retried */
1445 				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1446 					 cmdiocb->retry, did);
1447 				if (rc == 0) {
1448 					/* success */
1449 					free_ndlp = cmdiocb->context_un.ndlp;
1450 					lpfc_ct_free_iocb(phba, cmdiocb);
1451 					lpfc_nlp_put(free_ndlp);
1452 					return;
1453 				}
1454 			}
1455 		}
1456 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1457 				 "0267 NameServer GFF Rsp "
1458 				 "x%x Error (%d %d) Data: x%x x%x\n",
1459 				 did, irsp->ulpStatus, irsp->un.ulpWord[4],
1460 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1461 	}
1462 
1463 	/* This is a target port, unregistered port, or the GFF_ID failed */
1464 	ndlp = lpfc_setup_disc_node(vport, did);
1465 	if (ndlp) {
1466 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1467 				 "0242 Process x%x GFF "
1468 				 "NameServer Rsp Data: x%x x%x x%x\n",
1469 				 did, ndlp->nlp_flag, vport->fc_flag,
1470 				 vport->fc_rscn_id_cnt);
1471 	} else {
1472 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1473 				 "0243 Skip x%x GFF "
1474 				 "NameServer Rsp Data: x%x x%x\n", did,
1475 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1476 	}
1477 out:
1478 	/* Link up / RSCN discovery */
1479 	if (vport->num_disc_nodes)
1480 		vport->num_disc_nodes--;
1481 
1482 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1483 			 "6451 GFF_ID cmpl inp %d disc %d\n",
1484 			 vport->gidft_inp, vport->num_disc_nodes);
1485 
1486 	if (vport->num_disc_nodes == 0) {
1487 		/*
1488 		 * The driver has cycled through all Nports in the RSCN payload.
1489 		 * Complete the handling by cleaning up and marking the
1490 		 * current driver state.
1491 		 */
1492 		if (vport->port_state >= LPFC_DISC_AUTH) {
1493 			if (vport->fc_flag & FC_RSCN_MODE) {
1494 				lpfc_els_flush_rscn(vport);
1495 				spin_lock_irq(shost->host_lock);
1496 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1497 				spin_unlock_irq(shost->host_lock);
1498 			}
1499 			else
1500 				lpfc_els_flush_rscn(vport);
1501 		}
1502 		lpfc_disc_start(vport);
1503 	}
1504 
1505 iocb_free:
1506 	free_ndlp = cmdiocb->context_un.ndlp;
1507 	lpfc_ct_free_iocb(phba, cmdiocb);
1508 	lpfc_nlp_put(free_ndlp);
1509 	return;
1510 }
1511 
1512 static void
1513 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1514 				struct lpfc_iocbq *rspiocb)
1515 {
1516 	struct lpfc_vport *vport = cmdiocb->vport;
1517 	IOCB_t *irsp = &rspiocb->iocb;
1518 	struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
1519 	struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
1520 	struct lpfc_sli_ct_request *CTrsp;
1521 	int did;
1522 	struct lpfc_nodelist *ndlp = NULL;
1523 	struct lpfc_nodelist *ns_ndlp = NULL;
1524 	uint32_t fc4_data_0, fc4_data_1;
1525 
1526 	did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1527 	did = be32_to_cpu(did);
1528 
1529 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1530 			      "GFT_ID cmpl: status:x%x/x%x did:x%x",
1531 			      irsp->ulpStatus, irsp->un.ulpWord[4], did);
1532 
1533 	/* Ignore response if link flipped after this request was made */
1534 	if ((uint32_t) cmdiocb->event_tag != phba->fc_eventTag) {
1535 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1536 				 "9046 Event tag mismatch. Ignoring NS rsp\n");
1537 		goto out;
1538 	}
1539 
1540 	/* Preserve the nameserver node to release the reference. */
1541 	ns_ndlp = cmdiocb->context_un.ndlp;
1542 
1543 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1544 		/* Good status, continue checking */
1545 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1546 		fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1547 		fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1548 
1549 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1550 				 "6432 Process GFT_ID rsp for %08x "
1551 				 "Data %08x %08x %s %s\n",
1552 				 did, fc4_data_0, fc4_data_1,
1553 				 (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1554 				  "FCP" : " ",
1555 				 (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1556 				  "NVME" : " ");
1557 
1558 		/* Lookup the NPort_ID queried in the GFT_ID and find the
1559 		 * driver's local node.  It's an error if the driver
1560 		 * doesn't have one.
1561 		 */
1562 		ndlp = lpfc_findnode_did(vport, did);
1563 		if (ndlp) {
1564 			/* The bitmask value for FCP and NVME FCP types is
1565 			 * the same because they are 32 bits distant from
1566 			 * each other in word0 and word0.
1567 			 */
1568 			if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1569 				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1570 			if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1571 				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1572 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1573 					 "3064 Setting ndlp x%px, DID x%06x "
1574 					 "with FC4 x%08x, Data: x%08x x%08x "
1575 					 "%d\n",
1576 					 ndlp, did, ndlp->nlp_fc4_type,
1577 					 FC_TYPE_FCP, FC_TYPE_NVME,
1578 					 ndlp->nlp_state);
1579 
1580 			if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
1581 			    ndlp->nlp_fc4_type) {
1582 				ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1583 
1584 				lpfc_nlp_set_state(vport, ndlp,
1585 						   NLP_STE_PRLI_ISSUE);
1586 				lpfc_issue_els_prli(vport, ndlp, 0);
1587 			} else if (!ndlp->nlp_fc4_type) {
1588 				/* If fc4 type is still unknown, then LOGO */
1589 				lpfc_printf_vlog(vport, KERN_INFO,
1590 						 LOG_DISCOVERY,
1591 						 "6443 Sending LOGO ndlp x%px,"
1592 						 "DID x%06x with fc4_type: "
1593 						 "x%08x, state: %d\n",
1594 						 ndlp, did, ndlp->nlp_fc4_type,
1595 						 ndlp->nlp_state);
1596 				lpfc_issue_els_logo(vport, ndlp, 0);
1597 				ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1598 				lpfc_nlp_set_state(vport, ndlp,
1599 						   NLP_STE_NPR_NODE);
1600 			}
1601 		}
1602 	} else
1603 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1604 				 "3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
1605 
1606 out:
1607 	lpfc_ct_free_iocb(phba, cmdiocb);
1608 	lpfc_nlp_put(ns_ndlp);
1609 }
1610 
1611 static void
1612 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1613 	     struct lpfc_iocbq *rspiocb)
1614 {
1615 	struct lpfc_vport *vport = cmdiocb->vport;
1616 	struct lpfc_dmabuf *inp;
1617 	struct lpfc_dmabuf *outp;
1618 	IOCB_t *irsp;
1619 	struct lpfc_sli_ct_request *CTrsp;
1620 	struct lpfc_nodelist *ndlp;
1621 	int cmdcode, rc;
1622 	uint8_t retry;
1623 	uint32_t latt;
1624 
1625 	/* First save ndlp, before we overwrite it */
1626 	ndlp = cmdiocb->context_un.ndlp;
1627 
1628 	/* we pass cmdiocb to state machine which needs rspiocb as well */
1629 	cmdiocb->context_un.rsp_iocb = rspiocb;
1630 
1631 	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1632 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1633 	irsp = &rspiocb->iocb;
1634 
1635 	cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1636 					CommandResponse.bits.CmdRsp);
1637 	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1638 
1639 	latt = lpfc_els_chk_latt(vport);
1640 
1641 	/* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
1642 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1643 			 "0209 CT Request completes, latt %d, "
1644 			 "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1645 			 latt, irsp->ulpStatus,
1646 			 CTrsp->CommandResponse.bits.CmdRsp,
1647 			 cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
1648 
1649 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1650 		"CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1651 		irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
1652 
1653 	if (irsp->ulpStatus) {
1654 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1655 				 "0268 NS cmd x%x Error (x%x x%x)\n",
1656 				 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
1657 
1658 		if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1659 			(((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1660 			  IOERR_SLI_DOWN) ||
1661 			 ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1662 			  IOERR_SLI_ABORTED)))
1663 			goto out;
1664 
1665 		retry = cmdiocb->retry;
1666 		if (retry >= LPFC_MAX_NS_RETRY)
1667 			goto out;
1668 
1669 		retry++;
1670 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1671 				 "0250 Retrying NS cmd %x\n", cmdcode);
1672 		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1673 		if (rc == 0)
1674 			goto out;
1675 	}
1676 
1677 out:
1678 	lpfc_ct_free_iocb(phba, cmdiocb);
1679 	lpfc_nlp_put(ndlp);
1680 	return;
1681 }
1682 
1683 static void
1684 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1685 			struct lpfc_iocbq *rspiocb)
1686 {
1687 	IOCB_t *irsp = &rspiocb->iocb;
1688 	struct lpfc_vport *vport = cmdiocb->vport;
1689 
1690 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1691 		struct lpfc_dmabuf *outp;
1692 		struct lpfc_sli_ct_request *CTrsp;
1693 
1694 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1695 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1696 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1697 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1698 			vport->ct_flags |= FC_CT_RFT_ID;
1699 	}
1700 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1701 	return;
1702 }
1703 
1704 static void
1705 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1706 			struct lpfc_iocbq *rspiocb)
1707 {
1708 	IOCB_t *irsp = &rspiocb->iocb;
1709 	struct lpfc_vport *vport = cmdiocb->vport;
1710 
1711 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1712 		struct lpfc_dmabuf *outp;
1713 		struct lpfc_sli_ct_request *CTrsp;
1714 
1715 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1716 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1717 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1718 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1719 			vport->ct_flags |= FC_CT_RNN_ID;
1720 	}
1721 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1722 	return;
1723 }
1724 
1725 static void
1726 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1727 			 struct lpfc_iocbq *rspiocb)
1728 {
1729 	IOCB_t *irsp = &rspiocb->iocb;
1730 	struct lpfc_vport *vport = cmdiocb->vport;
1731 
1732 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1733 		struct lpfc_dmabuf *outp;
1734 		struct lpfc_sli_ct_request *CTrsp;
1735 
1736 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1737 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1738 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1739 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1740 			vport->ct_flags |= FC_CT_RSPN_ID;
1741 	}
1742 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1743 	return;
1744 }
1745 
1746 static void
1747 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1748 			 struct lpfc_iocbq *rspiocb)
1749 {
1750 	IOCB_t *irsp = &rspiocb->iocb;
1751 	struct lpfc_vport *vport = cmdiocb->vport;
1752 
1753 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1754 		struct lpfc_dmabuf *outp;
1755 		struct lpfc_sli_ct_request *CTrsp;
1756 
1757 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1758 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1759 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1760 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1761 			vport->ct_flags |= FC_CT_RSNN_NN;
1762 	}
1763 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1764 	return;
1765 }
1766 
1767 static void
1768 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1769  struct lpfc_iocbq *rspiocb)
1770 {
1771 	struct lpfc_vport *vport = cmdiocb->vport;
1772 
1773 	/* even if it fails we will act as though it succeeded. */
1774 	vport->ct_flags = 0;
1775 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1776 	return;
1777 }
1778 
1779 static void
1780 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1781 			struct lpfc_iocbq *rspiocb)
1782 {
1783 	IOCB_t *irsp = &rspiocb->iocb;
1784 	struct lpfc_vport *vport = cmdiocb->vport;
1785 
1786 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1787 		struct lpfc_dmabuf *outp;
1788 		struct lpfc_sli_ct_request *CTrsp;
1789 
1790 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1791 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1792 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1793 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1794 			vport->ct_flags |= FC_CT_RFF_ID;
1795 	}
1796 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1797 	return;
1798 }
1799 
1800 /*
1801  * Although the symbolic port name is thought to be an integer
1802  * as of January 18, 2016, leave it as a string until more of
1803  * the record state becomes defined.
1804  */
1805 int
1806 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1807 	size_t size)
1808 {
1809 	int n;
1810 
1811 	/*
1812 	 * Use the lpfc board number as the Symbolic Port
1813 	 * Name object.  NPIV is not in play so this integer
1814 	 * value is sufficient and unique per FC-ID.
1815 	 */
1816 	n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
1817 	return n;
1818 }
1819 
1820 
1821 int
1822 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1823 	size_t size)
1824 {
1825 	char fwrev[FW_REV_STR_SIZE] = {0};
1826 	char tmp[MAXHOSTNAMELEN] = {0};
1827 
1828 	memset(symbol, 0, size);
1829 
1830 	scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
1831 	if (strlcat(symbol, tmp, size) >= size)
1832 		goto buffer_done;
1833 
1834 	lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1835 	scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
1836 	if (strlcat(symbol, tmp, size) >= size)
1837 		goto buffer_done;
1838 
1839 	scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
1840 	if (strlcat(symbol, tmp, size) >= size)
1841 		goto buffer_done;
1842 
1843 	scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
1844 	if (strlcat(symbol, tmp, size) >= size)
1845 		goto buffer_done;
1846 
1847 	/* Note :- OS name is "Linux" */
1848 	scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
1849 	strlcat(symbol, tmp, size);
1850 
1851 buffer_done:
1852 	return strnlen(symbol, size);
1853 
1854 }
1855 
1856 static uint32_t
1857 lpfc_find_map_node(struct lpfc_vport *vport)
1858 {
1859 	struct lpfc_nodelist *ndlp, *next_ndlp;
1860 	struct Scsi_Host  *shost;
1861 	uint32_t cnt = 0;
1862 
1863 	shost = lpfc_shost_from_vport(vport);
1864 	spin_lock_irq(shost->host_lock);
1865 	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1866 		if (ndlp->nlp_type & NLP_FABRIC)
1867 			continue;
1868 		if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1869 		    (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1870 			cnt++;
1871 	}
1872 	spin_unlock_irq(shost->host_lock);
1873 	return cnt;
1874 }
1875 
1876 /*
1877  * This routine will return the FC4 Type associated with the CT
1878  * GID_FT command.
1879  */
1880 int
1881 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1882 {
1883 	struct lpfc_sli_ct_request *CtReq;
1884 	struct lpfc_dmabuf *mp;
1885 	uint32_t type;
1886 
1887 	mp = cmdiocb->context1;
1888 	if (mp == NULL)
1889 		return 0;
1890 	CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1891 	type = (uint32_t)CtReq->un.gid.Fc4Type;
1892 	if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1893 		return 0;
1894 	return type;
1895 }
1896 
1897 /*
1898  * lpfc_ns_cmd
1899  * Description:
1900  *    Issue Cmd to NameServer
1901  *       SLI_CTNS_GID_FT
1902  *       LI_CTNS_RFT_ID
1903  */
1904 int
1905 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1906 	    uint8_t retry, uint32_t context)
1907 {
1908 	struct lpfc_nodelist * ndlp;
1909 	struct lpfc_hba *phba = vport->phba;
1910 	struct lpfc_dmabuf *mp, *bmp;
1911 	struct lpfc_sli_ct_request *CtReq;
1912 	struct ulp_bde64 *bpl;
1913 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1914 		      struct lpfc_iocbq *) = NULL;
1915 	uint32_t *ptr;
1916 	uint32_t rsp_size = 1024;
1917 	size_t   size;
1918 	int rc = 0;
1919 
1920 	ndlp = lpfc_findnode_did(vport, NameServer_DID);
1921 	if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1922 		rc=1;
1923 		goto ns_cmd_exit;
1924 	}
1925 
1926 	/* fill in BDEs for command */
1927 	/* Allocate buffer for command payload */
1928 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1929 	if (!mp) {
1930 		rc=2;
1931 		goto ns_cmd_exit;
1932 	}
1933 
1934 	INIT_LIST_HEAD(&mp->list);
1935 	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1936 	if (!mp->virt) {
1937 		rc=3;
1938 		goto ns_cmd_free_mp;
1939 	}
1940 
1941 	/* Allocate buffer for Buffer ptr list */
1942 	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1943 	if (!bmp) {
1944 		rc=4;
1945 		goto ns_cmd_free_mpvirt;
1946 	}
1947 
1948 	INIT_LIST_HEAD(&bmp->list);
1949 	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1950 	if (!bmp->virt) {
1951 		rc=5;
1952 		goto ns_cmd_free_bmp;
1953 	}
1954 
1955 	/* NameServer Req */
1956 	lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1957 			 "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1958 			 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1959 			 context);
1960 
1961 	bpl = (struct ulp_bde64 *) bmp->virt;
1962 	memset(bpl, 0, sizeof(struct ulp_bde64));
1963 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1964 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1965 	bpl->tus.f.bdeFlags = 0;
1966 	if (cmdcode == SLI_CTNS_GID_FT)
1967 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1968 	else if (cmdcode == SLI_CTNS_GID_PT)
1969 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1970 	else if (cmdcode == SLI_CTNS_GFF_ID)
1971 		bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1972 	else if (cmdcode == SLI_CTNS_GFT_ID)
1973 		bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1974 	else if (cmdcode == SLI_CTNS_RFT_ID)
1975 		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1976 	else if (cmdcode == SLI_CTNS_RNN_ID)
1977 		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1978 	else if (cmdcode == SLI_CTNS_RSPN_ID)
1979 		bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1980 	else if (cmdcode == SLI_CTNS_RSNN_NN)
1981 		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1982 	else if (cmdcode == SLI_CTNS_DA_ID)
1983 		bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1984 	else if (cmdcode == SLI_CTNS_RFF_ID)
1985 		bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1986 	else
1987 		bpl->tus.f.bdeSize = 0;
1988 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1989 
1990 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1991 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1992 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1993 	CtReq->RevisionId.bits.InId = 0;
1994 	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1995 	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1996 	CtReq->CommandResponse.bits.Size = 0;
1997 	switch (cmdcode) {
1998 	case SLI_CTNS_GID_FT:
1999 		CtReq->CommandResponse.bits.CmdRsp =
2000 		    cpu_to_be16(SLI_CTNS_GID_FT);
2001 		CtReq->un.gid.Fc4Type = context;
2002 
2003 		if (vport->port_state < LPFC_NS_QRY)
2004 			vport->port_state = LPFC_NS_QRY;
2005 		lpfc_set_disctmo(vport);
2006 		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
2007 		rsp_size = FC_MAX_NS_RSP;
2008 		break;
2009 
2010 	case SLI_CTNS_GID_PT:
2011 		CtReq->CommandResponse.bits.CmdRsp =
2012 		    cpu_to_be16(SLI_CTNS_GID_PT);
2013 		CtReq->un.gid.PortType = context;
2014 
2015 		if (vport->port_state < LPFC_NS_QRY)
2016 			vport->port_state = LPFC_NS_QRY;
2017 		lpfc_set_disctmo(vport);
2018 		cmpl = lpfc_cmpl_ct_cmd_gid_pt;
2019 		rsp_size = FC_MAX_NS_RSP;
2020 		break;
2021 
2022 	case SLI_CTNS_GFF_ID:
2023 		CtReq->CommandResponse.bits.CmdRsp =
2024 			cpu_to_be16(SLI_CTNS_GFF_ID);
2025 		CtReq->un.gff.PortId = cpu_to_be32(context);
2026 		cmpl = lpfc_cmpl_ct_cmd_gff_id;
2027 		break;
2028 
2029 	case SLI_CTNS_GFT_ID:
2030 		CtReq->CommandResponse.bits.CmdRsp =
2031 			cpu_to_be16(SLI_CTNS_GFT_ID);
2032 		CtReq->un.gft.PortId = cpu_to_be32(context);
2033 		cmpl = lpfc_cmpl_ct_cmd_gft_id;
2034 		break;
2035 
2036 	case SLI_CTNS_RFT_ID:
2037 		vport->ct_flags &= ~FC_CT_RFT_ID;
2038 		CtReq->CommandResponse.bits.CmdRsp =
2039 		    cpu_to_be16(SLI_CTNS_RFT_ID);
2040 		CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
2041 
2042 		/* Register FC4 FCP type if enabled.  */
2043 		if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2044 		    vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
2045 			CtReq->un.rft.fcpReg = 1;
2046 
2047 		/* Register NVME type if enabled.  Defined LE and swapped.
2048 		 * rsvd[0] is used as word1 because of the hard-coded
2049 		 * word0 usage in the ct_request data structure.
2050 		 */
2051 		if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2052 		    vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
2053 			CtReq->un.rft.rsvd[0] =
2054 				cpu_to_be32(LPFC_FC4_TYPE_BITMASK);
2055 
2056 		ptr = (uint32_t *)CtReq;
2057 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2058 				 "6433 Issue RFT (%s %s): %08x %08x %08x %08x "
2059 				 "%08x %08x %08x %08x\n",
2060 				 CtReq->un.rft.fcpReg ? "FCP" : " ",
2061 				 CtReq->un.rft.rsvd[0] ? "NVME" : " ",
2062 				 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2063 				 *(ptr + 4), *(ptr + 5),
2064 				 *(ptr + 6), *(ptr + 7));
2065 		cmpl = lpfc_cmpl_ct_cmd_rft_id;
2066 		break;
2067 
2068 	case SLI_CTNS_RNN_ID:
2069 		vport->ct_flags &= ~FC_CT_RNN_ID;
2070 		CtReq->CommandResponse.bits.CmdRsp =
2071 		    cpu_to_be16(SLI_CTNS_RNN_ID);
2072 		CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
2073 		memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
2074 		       sizeof(struct lpfc_name));
2075 		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
2076 		break;
2077 
2078 	case SLI_CTNS_RSPN_ID:
2079 		vport->ct_flags &= ~FC_CT_RSPN_ID;
2080 		CtReq->CommandResponse.bits.CmdRsp =
2081 		    cpu_to_be16(SLI_CTNS_RSPN_ID);
2082 		CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
2083 		size = sizeof(CtReq->un.rspn.symbname);
2084 		CtReq->un.rspn.len =
2085 			lpfc_vport_symbolic_port_name(vport,
2086 			CtReq->un.rspn.symbname, size);
2087 		cmpl = lpfc_cmpl_ct_cmd_rspn_id;
2088 		break;
2089 	case SLI_CTNS_RSNN_NN:
2090 		vport->ct_flags &= ~FC_CT_RSNN_NN;
2091 		CtReq->CommandResponse.bits.CmdRsp =
2092 		    cpu_to_be16(SLI_CTNS_RSNN_NN);
2093 		memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
2094 		       sizeof(struct lpfc_name));
2095 		size = sizeof(CtReq->un.rsnn.symbname);
2096 		CtReq->un.rsnn.len =
2097 			lpfc_vport_symbolic_node_name(vport,
2098 			CtReq->un.rsnn.symbname, size);
2099 		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
2100 		break;
2101 	case SLI_CTNS_DA_ID:
2102 		/* Implement DA_ID Nameserver request */
2103 		CtReq->CommandResponse.bits.CmdRsp =
2104 			cpu_to_be16(SLI_CTNS_DA_ID);
2105 		CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
2106 		cmpl = lpfc_cmpl_ct_cmd_da_id;
2107 		break;
2108 	case SLI_CTNS_RFF_ID:
2109 		vport->ct_flags &= ~FC_CT_RFF_ID;
2110 		CtReq->CommandResponse.bits.CmdRsp =
2111 		    cpu_to_be16(SLI_CTNS_RFF_ID);
2112 		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
2113 		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
2114 
2115 		/* The driver always supports FC_TYPE_FCP.  However, the
2116 		 * caller can specify NVME (type x28) as well.  But only
2117 		 * these that FC4 type is supported.
2118 		 */
2119 		if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2120 		     (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
2121 		    (context == FC_TYPE_NVME)) {
2122 			if ((vport == phba->pport) && phba->nvmet_support) {
2123 				CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
2124 					FC4_FEATURE_NVME_DISC);
2125 				lpfc_nvmet_update_targetport(phba);
2126 			} else {
2127 				lpfc_nvme_update_localport(vport);
2128 			}
2129 			CtReq->un.rff.type_code = context;
2130 
2131 		} else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2132 			    (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
2133 			   (context == FC_TYPE_FCP))
2134 			CtReq->un.rff.type_code = context;
2135 
2136 		else
2137 			goto ns_cmd_free_bmpvirt;
2138 
2139 		ptr = (uint32_t *)CtReq;
2140 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2141 				 "6434 Issue RFF (%s): %08x %08x %08x %08x "
2142 				 "%08x %08x %08x %08x\n",
2143 				 (context == FC_TYPE_NVME) ? "NVME" : "FCP",
2144 				 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2145 				 *(ptr + 4), *(ptr + 5),
2146 				 *(ptr + 6), *(ptr + 7));
2147 		cmpl = lpfc_cmpl_ct_cmd_rff_id;
2148 		break;
2149 	}
2150 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2151 	 * to hold ndlp reference for the corresponding callback function.
2152 	 */
2153 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
2154 		/* On success, The cmpl function will free the buffers */
2155 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2156 			"Issue CT cmd:    cmd:x%x did:x%x",
2157 			cmdcode, ndlp->nlp_DID, 0);
2158 		return 0;
2159 	}
2160 	rc=6;
2161 
2162 ns_cmd_free_bmpvirt:
2163 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2164 ns_cmd_free_bmp:
2165 	kfree(bmp);
2166 ns_cmd_free_mpvirt:
2167 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
2168 ns_cmd_free_mp:
2169 	kfree(mp);
2170 ns_cmd_exit:
2171 	lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
2172 			 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
2173 			 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
2174 	return 1;
2175 }
2176 
2177 /**
2178  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
2179  * @phba: Pointer to HBA context object.
2180  * @cmdiocb: Pointer to the command IOCBQ.
2181  * @rspiocb: Pointer to the response IOCBQ.
2182  *
2183  * This function to handle the completion of a driver initiated FDMI
2184  * CT command issued during discovery.
2185  */
2186 static void
2187 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
2188 		       struct lpfc_iocbq *rspiocb)
2189 {
2190 	struct lpfc_vport *vport = cmdiocb->vport;
2191 	struct lpfc_dmabuf *inp = cmdiocb->context1;
2192 	struct lpfc_dmabuf *outp = cmdiocb->context2;
2193 	struct lpfc_sli_ct_request *CTcmd = inp->virt;
2194 	struct lpfc_sli_ct_request *CTrsp = outp->virt;
2195 	uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
2196 	uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
2197 	IOCB_t *irsp = &rspiocb->iocb;
2198 	struct lpfc_nodelist *ndlp, *free_ndlp = NULL;
2199 	uint32_t latt, cmd, err;
2200 
2201 	latt = lpfc_els_chk_latt(vport);
2202 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2203 		"FDMI cmpl:       status:x%x/x%x latt:%d",
2204 		irsp->ulpStatus, irsp->un.ulpWord[4], latt);
2205 
2206 	if (latt || irsp->ulpStatus) {
2207 
2208 		/* Look for a retryable error */
2209 		if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
2210 			switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) {
2211 			case IOERR_SLI_ABORTED:
2212 			case IOERR_SLI_DOWN:
2213 				/* Driver aborted this IO.  No retry as error
2214 				 * is likely Offline->Online or some adapter
2215 				 * error.  Recovery will try again.
2216 				 */
2217 				break;
2218 			case IOERR_ABORT_IN_PROGRESS:
2219 			case IOERR_SEQUENCE_TIMEOUT:
2220 			case IOERR_ILLEGAL_FRAME:
2221 			case IOERR_NO_RESOURCES:
2222 			case IOERR_ILLEGAL_COMMAND:
2223 				cmdiocb->retry++;
2224 				if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
2225 					break;
2226 
2227 				/* Retry the same FDMI command */
2228 				err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
2229 							  cmdiocb, 0);
2230 				if (err == IOCB_ERROR)
2231 					break;
2232 				return;
2233 			default:
2234 				break;
2235 			}
2236 		}
2237 
2238 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2239 				 "0229 FDMI cmd %04x failed, latt = %d "
2240 				 "ulpStatus: x%x, rid x%x\n",
2241 				 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
2242 				 irsp->un.ulpWord[4]);
2243 	}
2244 
2245 	free_ndlp = cmdiocb->context_un.ndlp;
2246 	lpfc_ct_free_iocb(phba, cmdiocb);
2247 	lpfc_nlp_put(free_ndlp);
2248 
2249 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
2250 	if (!ndlp)
2251 		return;
2252 
2253 	/* Check for a CT LS_RJT response */
2254 	cmd =  be16_to_cpu(fdmi_cmd);
2255 	if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
2256 		/* FDMI rsp failed */
2257 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2258 				 "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
2259 
2260 		/* Should we fallback to FDMI-2 / FDMI-1 ? */
2261 		switch (cmd) {
2262 		case SLI_MGMT_RHBA:
2263 			if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
2264 				/* Fallback to FDMI-1 */
2265 				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2266 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2267 				/* Start over */
2268 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2269 			}
2270 			return;
2271 
2272 		case SLI_MGMT_RPRT:
2273 			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2274 				/* Fallback to FDMI-1 */
2275 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2276 				/* Start over */
2277 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2278 				return;
2279 			}
2280 			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2281 				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2282 				/* Retry the same command */
2283 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2284 			}
2285 			return;
2286 
2287 		case SLI_MGMT_RPA:
2288 			/* No retry on Vendor, RPA only done on physical port */
2289 			if (phba->link_flag & LS_CT_VEN_RPA) {
2290 				phba->link_flag &= ~LS_CT_VEN_RPA;
2291 				lpfc_printf_log(phba, KERN_ERR,
2292 						LOG_DISCOVERY | LOG_ELS,
2293 						"6460 VEN FDMI RPA failure\n");
2294 				return;
2295 			}
2296 			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2297 				/* Fallback to FDMI-1 */
2298 				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2299 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2300 				/* Start over */
2301 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2302 				return;
2303 			}
2304 			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2305 				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2306 				/* Retry the same command */
2307 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2308 			}
2309 			return;
2310 		}
2311 	}
2312 
2313 	/*
2314 	 * On success, need to cycle thru FDMI registration for discovery
2315 	 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2316 	 * DPRT -> RPRT (vports)
2317 	 */
2318 	switch (cmd) {
2319 	case SLI_MGMT_RHBA:
2320 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
2321 		break;
2322 
2323 	case SLI_MGMT_DHBA:
2324 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2325 		break;
2326 
2327 	case SLI_MGMT_DPRT:
2328 		if (vport->port_type == LPFC_PHYSICAL_PORT)
2329 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
2330 		else
2331 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2332 		break;
2333 	case SLI_MGMT_RPA:
2334 		if (vport->port_type == LPFC_PHYSICAL_PORT &&
2335 		    phba->cfg_enable_mi &&
2336 		    phba->sli4_hba.pc_sli4_params.mi_ver > LPFC_MIB1_SUPPORT) {
2337 			/* mi is only for the phyical port, no vports */
2338 			if (phba->link_flag & LS_CT_VEN_RPA) {
2339 				lpfc_printf_vlog(vport, KERN_INFO,
2340 						 LOG_DISCOVERY | LOG_ELS,
2341 						 "6449 VEN RPA FDMI Success\n");
2342 				phba->link_flag &= ~LS_CT_VEN_RPA;
2343 				break;
2344 			}
2345 
2346 			if (lpfc_fdmi_cmd(vport, ndlp, cmd,
2347 					  LPFC_FDMI_VENDOR_ATTR_mi) == 0)
2348 				phba->link_flag |= LS_CT_VEN_RPA;
2349 			lpfc_printf_log(phba, KERN_INFO,
2350 					LOG_DISCOVERY | LOG_ELS,
2351 					"6458 Send MI FDMI:%x Flag x%x\n",
2352 					phba->sli4_hba.pc_sli4_params.mi_value,
2353 					phba->link_flag);
2354 		} else {
2355 			lpfc_printf_log(phba, KERN_INFO,
2356 					LOG_DISCOVERY | LOG_ELS,
2357 					"6459 No FDMI VEN MI support - "
2358 					"RPA Success\n");
2359 		}
2360 		break;
2361 	}
2362 	return;
2363 }
2364 
2365 
2366 /**
2367  * lpfc_fdmi_change_check - Check for changed FDMI parameters
2368  * @vport: pointer to a host virtual N_Port data structure.
2369  *
2370  * Check how many mapped NPorts we are connected to
2371  * Check if our hostname changed
2372  * Called from hbeat timeout routine to check if any FDMI parameters
2373  * changed. If so, re-register those Attributes.
2374  */
2375 void
2376 lpfc_fdmi_change_check(struct lpfc_vport *vport)
2377 {
2378 	struct lpfc_hba *phba = vport->phba;
2379 	struct lpfc_nodelist *ndlp;
2380 	uint16_t cnt;
2381 
2382 	if (!lpfc_is_link_up(phba))
2383 		return;
2384 
2385 	/* Must be connected to a Fabric */
2386 	if (!(vport->fc_flag & FC_FABRIC))
2387 		return;
2388 
2389 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
2390 	if (!ndlp)
2391 		return;
2392 
2393 	/* Check if system hostname changed */
2394 	if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
2395 		memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
2396 		scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
2397 			  init_utsname()->nodename);
2398 		lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
2399 
2400 		/* Since this effects multiple HBA and PORT attributes, we need
2401 		 * de-register and go thru the whole FDMI registration cycle.
2402 		 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2403 		 * DPRT -> RPRT (vports)
2404 		 */
2405 		if (vport->port_type == LPFC_PHYSICAL_PORT) {
2406 			/* For extra Vendor RPA */
2407 			phba->link_flag &= ~LS_CT_VEN_RPA;
2408 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2409 		} else {
2410 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2411 		}
2412 
2413 		/* Since this code path registers all the port attributes
2414 		 * we can just return without further checking.
2415 		 */
2416 		return;
2417 	}
2418 
2419 	if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
2420 		return;
2421 
2422 	/* Check if the number of mapped NPorts changed */
2423 	cnt = lpfc_find_map_node(vport);
2424 	if (cnt == vport->fdmi_num_disc)
2425 		return;
2426 
2427 	if (vport->port_type == LPFC_PHYSICAL_PORT) {
2428 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
2429 			      LPFC_FDMI_PORT_ATTR_num_disc);
2430 	} else {
2431 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
2432 			      LPFC_FDMI_PORT_ATTR_num_disc);
2433 	}
2434 }
2435 
2436 /* Routines for all individual HBA attributes */
2437 static int
2438 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2439 {
2440 	struct lpfc_fdmi_attr_entry *ae;
2441 	uint32_t size;
2442 
2443 	ae = &ad->AttrValue;
2444 	memset(ae, 0, sizeof(*ae));
2445 
2446 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2447 	       sizeof(struct lpfc_name));
2448 	size = FOURBYTES + sizeof(struct lpfc_name);
2449 	ad->AttrLen = cpu_to_be16(size);
2450 	ad->AttrType = cpu_to_be16(RHBA_NODENAME);
2451 	return size;
2452 }
2453 static int
2454 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
2455 				struct lpfc_fdmi_attr_def *ad)
2456 {
2457 	struct lpfc_fdmi_attr_entry *ae;
2458 	uint32_t len, size;
2459 
2460 	ae = &ad->AttrValue;
2461 	memset(ae, 0, sizeof(*ae));
2462 
2463 	/* This string MUST be consistent with other FC platforms
2464 	 * supported by Broadcom.
2465 	 */
2466 	strncpy(ae->un.AttrString,
2467 		"Emulex Corporation",
2468 		       sizeof(ae->un.AttrString));
2469 	len = strnlen(ae->un.AttrString,
2470 			  sizeof(ae->un.AttrString));
2471 	len += (len & 3) ? (4 - (len & 3)) : 4;
2472 	size = FOURBYTES + len;
2473 	ad->AttrLen = cpu_to_be16(size);
2474 	ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
2475 	return size;
2476 }
2477 
2478 static int
2479 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2480 {
2481 	struct lpfc_hba *phba = vport->phba;
2482 	struct lpfc_fdmi_attr_entry *ae;
2483 	uint32_t len, size;
2484 
2485 	ae = &ad->AttrValue;
2486 	memset(ae, 0, sizeof(*ae));
2487 
2488 	strncpy(ae->un.AttrString, phba->SerialNumber,
2489 		sizeof(ae->un.AttrString));
2490 	len = strnlen(ae->un.AttrString,
2491 			  sizeof(ae->un.AttrString));
2492 	len += (len & 3) ? (4 - (len & 3)) : 4;
2493 	size = FOURBYTES + len;
2494 	ad->AttrLen = cpu_to_be16(size);
2495 	ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
2496 	return size;
2497 }
2498 
2499 static int
2500 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
2501 			 struct lpfc_fdmi_attr_def *ad)
2502 {
2503 	struct lpfc_hba *phba = vport->phba;
2504 	struct lpfc_fdmi_attr_entry *ae;
2505 	uint32_t len, size;
2506 
2507 	ae = &ad->AttrValue;
2508 	memset(ae, 0, sizeof(*ae));
2509 
2510 	strncpy(ae->un.AttrString, phba->ModelName,
2511 		sizeof(ae->un.AttrString));
2512 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2513 	len += (len & 3) ? (4 - (len & 3)) : 4;
2514 	size = FOURBYTES + len;
2515 	ad->AttrLen = cpu_to_be16(size);
2516 	ad->AttrType = cpu_to_be16(RHBA_MODEL);
2517 	return size;
2518 }
2519 
2520 static int
2521 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
2522 			       struct lpfc_fdmi_attr_def *ad)
2523 {
2524 	struct lpfc_hba *phba = vport->phba;
2525 	struct lpfc_fdmi_attr_entry *ae;
2526 	uint32_t len, size;
2527 
2528 	ae = &ad->AttrValue;
2529 	memset(ae, 0, sizeof(*ae));
2530 
2531 	strncpy(ae->un.AttrString, phba->ModelDesc,
2532 		sizeof(ae->un.AttrString));
2533 	len = strnlen(ae->un.AttrString,
2534 				  sizeof(ae->un.AttrString));
2535 	len += (len & 3) ? (4 - (len & 3)) : 4;
2536 	size = FOURBYTES + len;
2537 	ad->AttrLen = cpu_to_be16(size);
2538 	ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
2539 	return size;
2540 }
2541 
2542 static int
2543 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
2544 			   struct lpfc_fdmi_attr_def *ad)
2545 {
2546 	struct lpfc_hba *phba = vport->phba;
2547 	lpfc_vpd_t *vp = &phba->vpd;
2548 	struct lpfc_fdmi_attr_entry *ae;
2549 	uint32_t i, j, incr, size;
2550 
2551 	ae = &ad->AttrValue;
2552 	memset(ae, 0, sizeof(*ae));
2553 
2554 	/* Convert JEDEC ID to ascii for hardware version */
2555 	incr = vp->rev.biuRev;
2556 	for (i = 0; i < 8; i++) {
2557 		j = (incr & 0xf);
2558 		if (j <= 9)
2559 			ae->un.AttrString[7 - i] =
2560 			    (char)((uint8_t) 0x30 +
2561 				   (uint8_t) j);
2562 		else
2563 			ae->un.AttrString[7 - i] =
2564 			    (char)((uint8_t) 0x61 +
2565 				   (uint8_t) (j - 10));
2566 		incr = (incr >> 4);
2567 	}
2568 	size = FOURBYTES + 8;
2569 	ad->AttrLen = cpu_to_be16(size);
2570 	ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
2571 	return size;
2572 }
2573 
2574 static int
2575 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
2576 			    struct lpfc_fdmi_attr_def *ad)
2577 {
2578 	struct lpfc_fdmi_attr_entry *ae;
2579 	uint32_t len, size;
2580 
2581 	ae = &ad->AttrValue;
2582 	memset(ae, 0, sizeof(*ae));
2583 
2584 	strncpy(ae->un.AttrString, lpfc_release_version,
2585 		sizeof(ae->un.AttrString));
2586 	len = strnlen(ae->un.AttrString,
2587 			  sizeof(ae->un.AttrString));
2588 	len += (len & 3) ? (4 - (len & 3)) : 4;
2589 	size = FOURBYTES + len;
2590 	ad->AttrLen = cpu_to_be16(size);
2591 	ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
2592 	return size;
2593 }
2594 
2595 static int
2596 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
2597 			   struct lpfc_fdmi_attr_def *ad)
2598 {
2599 	struct lpfc_hba *phba = vport->phba;
2600 	struct lpfc_fdmi_attr_entry *ae;
2601 	uint32_t len, size;
2602 
2603 	ae = &ad->AttrValue;
2604 	memset(ae, 0, sizeof(*ae));
2605 
2606 	if (phba->sli_rev == LPFC_SLI_REV4)
2607 		lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2608 	else
2609 		strncpy(ae->un.AttrString, phba->OptionROMVersion,
2610 			sizeof(ae->un.AttrString));
2611 	len = strnlen(ae->un.AttrString,
2612 			  sizeof(ae->un.AttrString));
2613 	len += (len & 3) ? (4 - (len & 3)) : 4;
2614 	size = FOURBYTES + len;
2615 	ad->AttrLen = cpu_to_be16(size);
2616 	ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
2617 	return size;
2618 }
2619 
2620 static int
2621 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
2622 			   struct lpfc_fdmi_attr_def *ad)
2623 {
2624 	struct lpfc_hba *phba = vport->phba;
2625 	struct lpfc_fdmi_attr_entry *ae;
2626 	uint32_t len, size;
2627 
2628 	ae = &ad->AttrValue;
2629 	memset(ae, 0, sizeof(*ae));
2630 
2631 	lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2632 	len = strnlen(ae->un.AttrString,
2633 			  sizeof(ae->un.AttrString));
2634 	len += (len & 3) ? (4 - (len & 3)) : 4;
2635 	size = FOURBYTES + len;
2636 	ad->AttrLen = cpu_to_be16(size);
2637 	ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
2638 	return size;
2639 }
2640 
2641 static int
2642 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
2643 			  struct lpfc_fdmi_attr_def *ad)
2644 {
2645 	struct lpfc_fdmi_attr_entry *ae;
2646 	uint32_t len, size;
2647 
2648 	ae = &ad->AttrValue;
2649 	memset(ae, 0, sizeof(*ae));
2650 
2651 	snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
2652 		 init_utsname()->sysname,
2653 		 init_utsname()->release,
2654 		 init_utsname()->version);
2655 
2656 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2657 	len += (len & 3) ? (4 - (len & 3)) : 4;
2658 	size = FOURBYTES + len;
2659 	ad->AttrLen = cpu_to_be16(size);
2660 	ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
2661 	return size;
2662 }
2663 
2664 static int
2665 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
2666 			  struct lpfc_fdmi_attr_def *ad)
2667 {
2668 	struct lpfc_fdmi_attr_entry *ae;
2669 	uint32_t size;
2670 
2671 	ae = &ad->AttrValue;
2672 
2673 	ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
2674 	size = FOURBYTES + sizeof(uint32_t);
2675 	ad->AttrLen = cpu_to_be16(size);
2676 	ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
2677 	return size;
2678 }
2679 
2680 static int
2681 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
2682 				 struct lpfc_fdmi_attr_def *ad)
2683 {
2684 	struct lpfc_fdmi_attr_entry *ae;
2685 	uint32_t len, size;
2686 
2687 	ae = &ad->AttrValue;
2688 	memset(ae, 0, sizeof(*ae));
2689 
2690 	len = lpfc_vport_symbolic_node_name(vport,
2691 				ae->un.AttrString, 256);
2692 	len += (len & 3) ? (4 - (len & 3)) : 4;
2693 	size = FOURBYTES + len;
2694 	ad->AttrLen = cpu_to_be16(size);
2695 	ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
2696 	return size;
2697 }
2698 
2699 static int
2700 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
2701 			       struct lpfc_fdmi_attr_def *ad)
2702 {
2703 	struct lpfc_fdmi_attr_entry *ae;
2704 	uint32_t size;
2705 
2706 	ae = &ad->AttrValue;
2707 
2708 	/* Nothing is defined for this currently */
2709 	ae->un.AttrInt =  cpu_to_be32(0);
2710 	size = FOURBYTES + sizeof(uint32_t);
2711 	ad->AttrLen = cpu_to_be16(size);
2712 	ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
2713 	return size;
2714 }
2715 
2716 static int
2717 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
2718 			     struct lpfc_fdmi_attr_def *ad)
2719 {
2720 	struct lpfc_fdmi_attr_entry *ae;
2721 	uint32_t size;
2722 
2723 	ae = &ad->AttrValue;
2724 
2725 	/* Each driver instance corresponds to a single port */
2726 	ae->un.AttrInt =  cpu_to_be32(1);
2727 	size = FOURBYTES + sizeof(uint32_t);
2728 	ad->AttrLen = cpu_to_be16(size);
2729 	ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2730 	return size;
2731 }
2732 
2733 static int
2734 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2735 			       struct lpfc_fdmi_attr_def *ad)
2736 {
2737 	struct lpfc_fdmi_attr_entry *ae;
2738 	uint32_t size;
2739 
2740 	ae = &ad->AttrValue;
2741 	memset(ae, 0, sizeof(*ae));
2742 
2743 	memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2744 	       sizeof(struct lpfc_name));
2745 	size = FOURBYTES + sizeof(struct lpfc_name);
2746 	ad->AttrLen = cpu_to_be16(size);
2747 	ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2748 	return size;
2749 }
2750 
2751 static int
2752 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2753 			    struct lpfc_fdmi_attr_def *ad)
2754 {
2755 	struct lpfc_hba *phba = vport->phba;
2756 	struct lpfc_fdmi_attr_entry *ae;
2757 	uint32_t len, size;
2758 
2759 	ae = &ad->AttrValue;
2760 	memset(ae, 0, sizeof(*ae));
2761 
2762 	strlcat(ae->un.AttrString, phba->BIOSVersion,
2763 		sizeof(ae->un.AttrString));
2764 	len = strnlen(ae->un.AttrString,
2765 			  sizeof(ae->un.AttrString));
2766 	len += (len & 3) ? (4 - (len & 3)) : 4;
2767 	size = FOURBYTES + len;
2768 	ad->AttrLen = cpu_to_be16(size);
2769 	ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2770 	return size;
2771 }
2772 
2773 static int
2774 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2775 			      struct lpfc_fdmi_attr_def *ad)
2776 {
2777 	struct lpfc_fdmi_attr_entry *ae;
2778 	uint32_t size;
2779 
2780 	ae = &ad->AttrValue;
2781 
2782 	/* Driver doesn't have access to this information */
2783 	ae->un.AttrInt =  cpu_to_be32(0);
2784 	size = FOURBYTES + sizeof(uint32_t);
2785 	ad->AttrLen = cpu_to_be16(size);
2786 	ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2787 	return size;
2788 }
2789 
2790 static int
2791 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2792 			     struct lpfc_fdmi_attr_def *ad)
2793 {
2794 	struct lpfc_fdmi_attr_entry *ae;
2795 	uint32_t len, size;
2796 
2797 	ae = &ad->AttrValue;
2798 	memset(ae, 0, sizeof(*ae));
2799 
2800 	strncpy(ae->un.AttrString, "EMULEX",
2801 		sizeof(ae->un.AttrString));
2802 	len = strnlen(ae->un.AttrString,
2803 			  sizeof(ae->un.AttrString));
2804 	len += (len & 3) ? (4 - (len & 3)) : 4;
2805 	size = FOURBYTES + len;
2806 	ad->AttrLen = cpu_to_be16(size);
2807 	ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2808 	return size;
2809 }
2810 
2811 /* Routines for all individual PORT attributes */
2812 static int
2813 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2814 			    struct lpfc_fdmi_attr_def *ad)
2815 {
2816 	struct lpfc_hba   *phba = vport->phba;
2817 	struct lpfc_fdmi_attr_entry *ae;
2818 	uint32_t size;
2819 
2820 	ae = &ad->AttrValue;
2821 	memset(ae, 0, sizeof(*ae));
2822 
2823 	ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
2824 	ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
2825 
2826 	/* Check to see if Firmware supports NVME and on physical port */
2827 	if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
2828 	    phba->sli4_hba.pc_sli4_params.nvme)
2829 		ae->un.AttrTypes[6] = 0x01; /* Type 0x28 - NVME */
2830 
2831 	size = FOURBYTES + 32;
2832 	ad->AttrLen = cpu_to_be16(size);
2833 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2834 	return size;
2835 }
2836 
2837 static int
2838 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2839 				  struct lpfc_fdmi_attr_def *ad)
2840 {
2841 	struct lpfc_hba   *phba = vport->phba;
2842 	struct lpfc_fdmi_attr_entry *ae;
2843 	uint32_t size;
2844 
2845 	ae = &ad->AttrValue;
2846 
2847 	ae->un.AttrInt = 0;
2848 	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2849 		if (phba->lmt & LMT_128Gb)
2850 			ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2851 		if (phba->lmt & LMT_64Gb)
2852 			ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2853 		if (phba->lmt & LMT_32Gb)
2854 			ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2855 		if (phba->lmt & LMT_16Gb)
2856 			ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2857 		if (phba->lmt & LMT_10Gb)
2858 			ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2859 		if (phba->lmt & LMT_8Gb)
2860 			ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2861 		if (phba->lmt & LMT_4Gb)
2862 			ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2863 		if (phba->lmt & LMT_2Gb)
2864 			ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2865 		if (phba->lmt & LMT_1Gb)
2866 			ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2867 	} else {
2868 		/* FCoE links support only one speed */
2869 		switch (phba->fc_linkspeed) {
2870 		case LPFC_ASYNC_LINK_SPEED_10GBPS:
2871 			ae->un.AttrInt = HBA_PORTSPEED_10GE;
2872 			break;
2873 		case LPFC_ASYNC_LINK_SPEED_25GBPS:
2874 			ae->un.AttrInt = HBA_PORTSPEED_25GE;
2875 			break;
2876 		case LPFC_ASYNC_LINK_SPEED_40GBPS:
2877 			ae->un.AttrInt = HBA_PORTSPEED_40GE;
2878 			break;
2879 		case LPFC_ASYNC_LINK_SPEED_100GBPS:
2880 			ae->un.AttrInt = HBA_PORTSPEED_100GE;
2881 			break;
2882 		}
2883 	}
2884 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2885 	size = FOURBYTES + sizeof(uint32_t);
2886 	ad->AttrLen = cpu_to_be16(size);
2887 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2888 	return size;
2889 }
2890 
2891 static int
2892 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2893 			  struct lpfc_fdmi_attr_def *ad)
2894 {
2895 	struct lpfc_hba   *phba = vport->phba;
2896 	struct lpfc_fdmi_attr_entry *ae;
2897 	uint32_t size;
2898 
2899 	ae = &ad->AttrValue;
2900 
2901 	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2902 		switch (phba->fc_linkspeed) {
2903 		case LPFC_LINK_SPEED_1GHZ:
2904 			ae->un.AttrInt = HBA_PORTSPEED_1GFC;
2905 			break;
2906 		case LPFC_LINK_SPEED_2GHZ:
2907 			ae->un.AttrInt = HBA_PORTSPEED_2GFC;
2908 			break;
2909 		case LPFC_LINK_SPEED_4GHZ:
2910 			ae->un.AttrInt = HBA_PORTSPEED_4GFC;
2911 			break;
2912 		case LPFC_LINK_SPEED_8GHZ:
2913 			ae->un.AttrInt = HBA_PORTSPEED_8GFC;
2914 			break;
2915 		case LPFC_LINK_SPEED_10GHZ:
2916 			ae->un.AttrInt = HBA_PORTSPEED_10GFC;
2917 			break;
2918 		case LPFC_LINK_SPEED_16GHZ:
2919 			ae->un.AttrInt = HBA_PORTSPEED_16GFC;
2920 			break;
2921 		case LPFC_LINK_SPEED_32GHZ:
2922 			ae->un.AttrInt = HBA_PORTSPEED_32GFC;
2923 			break;
2924 		case LPFC_LINK_SPEED_64GHZ:
2925 			ae->un.AttrInt = HBA_PORTSPEED_64GFC;
2926 			break;
2927 		case LPFC_LINK_SPEED_128GHZ:
2928 			ae->un.AttrInt = HBA_PORTSPEED_128GFC;
2929 			break;
2930 		default:
2931 			ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2932 			break;
2933 		}
2934 	} else {
2935 		switch (phba->fc_linkspeed) {
2936 		case LPFC_ASYNC_LINK_SPEED_10GBPS:
2937 			ae->un.AttrInt = HBA_PORTSPEED_10GE;
2938 			break;
2939 		case LPFC_ASYNC_LINK_SPEED_25GBPS:
2940 			ae->un.AttrInt = HBA_PORTSPEED_25GE;
2941 			break;
2942 		case LPFC_ASYNC_LINK_SPEED_40GBPS:
2943 			ae->un.AttrInt = HBA_PORTSPEED_40GE;
2944 			break;
2945 		case LPFC_ASYNC_LINK_SPEED_100GBPS:
2946 			ae->un.AttrInt = HBA_PORTSPEED_100GE;
2947 			break;
2948 		default:
2949 			ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2950 			break;
2951 		}
2952 	}
2953 
2954 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2955 	size = FOURBYTES + sizeof(uint32_t);
2956 	ad->AttrLen = cpu_to_be16(size);
2957 	ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
2958 	return size;
2959 }
2960 
2961 static int
2962 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
2963 			      struct lpfc_fdmi_attr_def *ad)
2964 {
2965 	struct serv_parm *hsp;
2966 	struct lpfc_fdmi_attr_entry *ae;
2967 	uint32_t size;
2968 
2969 	ae = &ad->AttrValue;
2970 
2971 	hsp = (struct serv_parm *)&vport->fc_sparam;
2972 	ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
2973 			  (uint32_t) hsp->cmn.bbRcvSizeLsb;
2974 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2975 	size = FOURBYTES + sizeof(uint32_t);
2976 	ad->AttrLen = cpu_to_be16(size);
2977 	ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
2978 	return size;
2979 }
2980 
2981 static int
2982 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
2983 			       struct lpfc_fdmi_attr_def *ad)
2984 {
2985 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2986 	struct lpfc_fdmi_attr_entry *ae;
2987 	uint32_t len, size;
2988 
2989 	ae = &ad->AttrValue;
2990 	memset(ae, 0, sizeof(*ae));
2991 
2992 	snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
2993 		 "/sys/class/scsi_host/host%d", shost->host_no);
2994 	len = strnlen((char *)ae->un.AttrString,
2995 			  sizeof(ae->un.AttrString));
2996 	len += (len & 3) ? (4 - (len & 3)) : 4;
2997 	size = FOURBYTES + len;
2998 	ad->AttrLen = cpu_to_be16(size);
2999 	ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
3000 	return size;
3001 }
3002 
3003 static int
3004 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
3005 			      struct lpfc_fdmi_attr_def *ad)
3006 {
3007 	struct lpfc_fdmi_attr_entry *ae;
3008 	uint32_t len, size;
3009 
3010 	ae = &ad->AttrValue;
3011 	memset(ae, 0, sizeof(*ae));
3012 
3013 	scnprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
3014 		  vport->phba->os_host_name);
3015 
3016 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3017 	len += (len & 3) ? (4 - (len & 3)) : 4;
3018 	size = FOURBYTES + len;
3019 	ad->AttrLen = cpu_to_be16(size);
3020 	ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
3021 	return size;
3022 }
3023 
3024 static int
3025 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
3026 			 struct lpfc_fdmi_attr_def *ad)
3027 {
3028 	struct lpfc_fdmi_attr_entry *ae;
3029 	uint32_t size;
3030 
3031 	ae = &ad->AttrValue;
3032 	memset(ae, 0, sizeof(*ae));
3033 
3034 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
3035 	       sizeof(struct lpfc_name));
3036 	size = FOURBYTES + sizeof(struct lpfc_name);
3037 	ad->AttrLen = cpu_to_be16(size);
3038 	ad->AttrType = cpu_to_be16(RPRT_NODENAME);
3039 	return size;
3040 }
3041 
3042 static int
3043 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
3044 			 struct lpfc_fdmi_attr_def *ad)
3045 {
3046 	struct lpfc_fdmi_attr_entry *ae;
3047 	uint32_t size;
3048 
3049 	ae = &ad->AttrValue;
3050 	memset(ae, 0, sizeof(*ae));
3051 
3052 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
3053 	       sizeof(struct lpfc_name));
3054 	size = FOURBYTES + sizeof(struct lpfc_name);
3055 	ad->AttrLen = cpu_to_be16(size);
3056 	ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
3057 	return size;
3058 }
3059 
3060 static int
3061 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
3062 				  struct lpfc_fdmi_attr_def *ad)
3063 {
3064 	struct lpfc_fdmi_attr_entry *ae;
3065 	uint32_t len, size;
3066 
3067 	ae = &ad->AttrValue;
3068 	memset(ae, 0, sizeof(*ae));
3069 
3070 	len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
3071 	len += (len & 3) ? (4 - (len & 3)) : 4;
3072 	size = FOURBYTES + len;
3073 	ad->AttrLen = cpu_to_be16(size);
3074 	ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
3075 	return size;
3076 }
3077 
3078 static int
3079 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
3080 			      struct lpfc_fdmi_attr_def *ad)
3081 {
3082 	struct lpfc_hba *phba = vport->phba;
3083 	struct lpfc_fdmi_attr_entry *ae;
3084 	uint32_t size;
3085 
3086 	ae = &ad->AttrValue;
3087 	if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
3088 		ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
3089 	else
3090 		ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
3091 	size = FOURBYTES + sizeof(uint32_t);
3092 	ad->AttrLen = cpu_to_be16(size);
3093 	ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
3094 	return size;
3095 }
3096 
3097 static int
3098 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
3099 			  struct lpfc_fdmi_attr_def *ad)
3100 {
3101 	struct lpfc_fdmi_attr_entry *ae;
3102 	uint32_t size;
3103 
3104 	ae = &ad->AttrValue;
3105 	ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
3106 	size = FOURBYTES + sizeof(uint32_t);
3107 	ad->AttrLen = cpu_to_be16(size);
3108 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
3109 	return size;
3110 }
3111 
3112 static int
3113 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
3114 				struct lpfc_fdmi_attr_def *ad)
3115 {
3116 	struct lpfc_fdmi_attr_entry *ae;
3117 	uint32_t size;
3118 
3119 	ae = &ad->AttrValue;
3120 	memset(ae, 0, sizeof(*ae));
3121 
3122 	memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
3123 	       sizeof(struct lpfc_name));
3124 	size = FOURBYTES + sizeof(struct lpfc_name);
3125 	ad->AttrLen = cpu_to_be16(size);
3126 	ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
3127 	return size;
3128 }
3129 
3130 static int
3131 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
3132 				   struct lpfc_fdmi_attr_def *ad)
3133 {
3134 	struct lpfc_fdmi_attr_entry *ae;
3135 	uint32_t size;
3136 
3137 	ae = &ad->AttrValue;
3138 	memset(ae, 0, sizeof(*ae));
3139 
3140 	ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
3141 	ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
3142 
3143 	/* Check to see if NVME is configured or not */
3144 	if (vport->phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
3145 		ae->un.AttrTypes[6] = 0x1; /* Type 0x28 - NVME */
3146 
3147 	size = FOURBYTES + 32;
3148 	ad->AttrLen = cpu_to_be16(size);
3149 	ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
3150 	return size;
3151 }
3152 
3153 static int
3154 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
3155 			       struct lpfc_fdmi_attr_def *ad)
3156 {
3157 	struct lpfc_fdmi_attr_entry *ae;
3158 	uint32_t size;
3159 
3160 	ae = &ad->AttrValue;
3161 	/* Link Up - operational */
3162 	ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
3163 	size = FOURBYTES + sizeof(uint32_t);
3164 	ad->AttrLen = cpu_to_be16(size);
3165 	ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
3166 	return size;
3167 }
3168 
3169 static int
3170 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
3171 			     struct lpfc_fdmi_attr_def *ad)
3172 {
3173 	struct lpfc_fdmi_attr_entry *ae;
3174 	uint32_t size;
3175 
3176 	ae = &ad->AttrValue;
3177 	vport->fdmi_num_disc = lpfc_find_map_node(vport);
3178 	ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
3179 	size = FOURBYTES + sizeof(uint32_t);
3180 	ad->AttrLen = cpu_to_be16(size);
3181 	ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
3182 	return size;
3183 }
3184 
3185 static int
3186 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
3187 			    struct lpfc_fdmi_attr_def *ad)
3188 {
3189 	struct lpfc_fdmi_attr_entry *ae;
3190 	uint32_t size;
3191 
3192 	ae = &ad->AttrValue;
3193 	ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
3194 	size = FOURBYTES + sizeof(uint32_t);
3195 	ad->AttrLen = cpu_to_be16(size);
3196 	ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
3197 	return size;
3198 }
3199 
3200 static int
3201 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
3202 			     struct lpfc_fdmi_attr_def *ad)
3203 {
3204 	struct lpfc_fdmi_attr_entry *ae;
3205 	uint32_t len, size;
3206 
3207 	ae = &ad->AttrValue;
3208 	memset(ae, 0, sizeof(*ae));
3209 
3210 	strncpy(ae->un.AttrString, "Smart SAN Initiator",
3211 		sizeof(ae->un.AttrString));
3212 	len = strnlen(ae->un.AttrString,
3213 			  sizeof(ae->un.AttrString));
3214 	len += (len & 3) ? (4 - (len & 3)) : 4;
3215 	size = FOURBYTES + len;
3216 	ad->AttrLen = cpu_to_be16(size);
3217 	ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
3218 	return size;
3219 }
3220 
3221 static int
3222 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
3223 			  struct lpfc_fdmi_attr_def *ad)
3224 {
3225 	struct lpfc_fdmi_attr_entry *ae;
3226 	uint32_t size;
3227 
3228 	ae = &ad->AttrValue;
3229 	memset(ae, 0, sizeof(*ae));
3230 
3231 	memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
3232 	       sizeof(struct lpfc_name));
3233 	memcpy((((uint8_t *)&ae->un.AttrString) +
3234 		sizeof(struct lpfc_name)),
3235 		&vport->fc_sparam.portName, sizeof(struct lpfc_name));
3236 	size = FOURBYTES + (2 * sizeof(struct lpfc_name));
3237 	ad->AttrLen =  cpu_to_be16(size);
3238 	ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
3239 	return size;
3240 }
3241 
3242 static int
3243 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
3244 			     struct lpfc_fdmi_attr_def *ad)
3245 {
3246 	struct lpfc_fdmi_attr_entry *ae;
3247 	uint32_t len, size;
3248 
3249 	ae = &ad->AttrValue;
3250 	memset(ae, 0, sizeof(*ae));
3251 
3252 	strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
3253 		sizeof(ae->un.AttrString));
3254 	len = strnlen(ae->un.AttrString,
3255 			  sizeof(ae->un.AttrString));
3256 	len += (len & 3) ? (4 - (len & 3)) : 4;
3257 	size = FOURBYTES + len;
3258 	ad->AttrLen =  cpu_to_be16(size);
3259 	ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
3260 	return size;
3261 }
3262 
3263 static int
3264 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
3265 			   struct lpfc_fdmi_attr_def *ad)
3266 {
3267 	struct lpfc_hba *phba = vport->phba;
3268 	struct lpfc_fdmi_attr_entry *ae;
3269 	uint32_t len, size;
3270 
3271 	ae = &ad->AttrValue;
3272 	memset(ae, 0, sizeof(*ae));
3273 
3274 	strncpy(ae->un.AttrString, phba->ModelName,
3275 		sizeof(ae->un.AttrString));
3276 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3277 	len += (len & 3) ? (4 - (len & 3)) : 4;
3278 	size = FOURBYTES + len;
3279 	ad->AttrLen = cpu_to_be16(size);
3280 	ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
3281 	return size;
3282 }
3283 
3284 static int
3285 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
3286 			       struct lpfc_fdmi_attr_def *ad)
3287 {
3288 	struct lpfc_fdmi_attr_entry *ae;
3289 	uint32_t size;
3290 
3291 	ae = &ad->AttrValue;
3292 
3293 	/* SRIOV (type 3) is not supported */
3294 	if (vport->vpi)
3295 		ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
3296 	else
3297 		ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
3298 	size = FOURBYTES + sizeof(uint32_t);
3299 	ad->AttrLen = cpu_to_be16(size);
3300 	ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
3301 	return size;
3302 }
3303 
3304 static int
3305 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
3306 			 struct lpfc_fdmi_attr_def *ad)
3307 {
3308 	struct lpfc_fdmi_attr_entry *ae;
3309 	uint32_t size;
3310 
3311 	ae = &ad->AttrValue;
3312 	ae->un.AttrInt =  cpu_to_be32(0);
3313 	size = FOURBYTES + sizeof(uint32_t);
3314 	ad->AttrLen = cpu_to_be16(size);
3315 	ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
3316 	return size;
3317 }
3318 
3319 static int
3320 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
3321 			      struct lpfc_fdmi_attr_def *ad)
3322 {
3323 	struct lpfc_fdmi_attr_entry *ae;
3324 	uint32_t size;
3325 
3326 	ae = &ad->AttrValue;
3327 	ae->un.AttrInt =  cpu_to_be32(1);
3328 	size = FOURBYTES + sizeof(uint32_t);
3329 	ad->AttrLen = cpu_to_be16(size);
3330 	ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
3331 	return size;
3332 }
3333 
3334 static int
3335 lpfc_fdmi_vendor_attr_mi(struct lpfc_vport *vport,
3336 			  struct lpfc_fdmi_attr_def *ad)
3337 {
3338 	struct lpfc_hba *phba = vport->phba;
3339 	struct lpfc_fdmi_attr_entry *ae;
3340 	uint32_t len, size;
3341 	char mibrevision[16];
3342 
3343 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
3344 	memset(ae, 0, 256);
3345 	sprintf(mibrevision, "ELXE2EM:%04d",
3346 		phba->sli4_hba.pc_sli4_params.mi_value);
3347 	strncpy(ae->un.AttrString, &mibrevision[0], sizeof(ae->un.AttrString));
3348 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3349 	len += (len & 3) ? (4 - (len & 3)) : 4;
3350 	size = FOURBYTES + len;
3351 	ad->AttrLen = cpu_to_be16(size);
3352 	ad->AttrType = cpu_to_be16(RPRT_VENDOR_MI);
3353 	return size;
3354 }
3355 
3356 /* RHBA attribute jump table */
3357 int (*lpfc_fdmi_hba_action[])
3358 	(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3359 	/* Action routine                 Mask bit     Attribute type */
3360 	lpfc_fdmi_hba_attr_wwnn,	  /* bit0     RHBA_NODENAME           */
3361 	lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
3362 	lpfc_fdmi_hba_attr_sn,		  /* bit2     RHBA_SERIAL_NUMBER      */
3363 	lpfc_fdmi_hba_attr_model,	  /* bit3     RHBA_MODEL              */
3364 	lpfc_fdmi_hba_attr_description,	  /* bit4     RHBA_MODEL_DESCRIPTION  */
3365 	lpfc_fdmi_hba_attr_hdw_ver,	  /* bit5     RHBA_HARDWARE_VERSION   */
3366 	lpfc_fdmi_hba_attr_drvr_ver,	  /* bit6     RHBA_DRIVER_VERSION     */
3367 	lpfc_fdmi_hba_attr_rom_ver,	  /* bit7     RHBA_OPTION_ROM_VERSION */
3368 	lpfc_fdmi_hba_attr_fmw_ver,	  /* bit8     RHBA_FIRMWARE_VERSION   */
3369 	lpfc_fdmi_hba_attr_os_ver,	  /* bit9     RHBA_OS_NAME_VERSION    */
3370 	lpfc_fdmi_hba_attr_ct_len,	  /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
3371 	lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
3372 	lpfc_fdmi_hba_attr_vendor_info,	  /* bit12    RHBA_VENDOR_INFO        */
3373 	lpfc_fdmi_hba_attr_num_ports,	  /* bit13    RHBA_NUM_PORTS          */
3374 	lpfc_fdmi_hba_attr_fabric_wwnn,	  /* bit14    RHBA_FABRIC_WWNN        */
3375 	lpfc_fdmi_hba_attr_bios_ver,	  /* bit15    RHBA_BIOS_VERSION       */
3376 	lpfc_fdmi_hba_attr_bios_state,	  /* bit16    RHBA_BIOS_STATE         */
3377 	lpfc_fdmi_hba_attr_vendor_id,	  /* bit17    RHBA_VENDOR_ID          */
3378 };
3379 
3380 /* RPA / RPRT attribute jump table */
3381 int (*lpfc_fdmi_port_action[])
3382 	(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3383 	/* Action routine                   Mask bit   Attribute type */
3384 	lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
3385 	lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
3386 	lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
3387 	lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
3388 	lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
3389 	lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
3390 	lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
3391 	lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
3392 	lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
3393 	lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
3394 	lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
3395 	lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
3396 	lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
3397 	lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
3398 	lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
3399 	lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
3400 	lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
3401 	lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
3402 	lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
3403 	lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
3404 	lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
3405 	lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
3406 	lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
3407 	lpfc_fdmi_vendor_attr_mi,           /* bit23  RPRT_VENDOR_MI          */
3408 };
3409 
3410 /**
3411  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
3412  * @vport: pointer to a host virtual N_Port data structure.
3413  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3414  * @cmdcode: FDMI command to send
3415  * @new_mask: Mask of HBA or PORT Attributes to send
3416  *
3417  * Builds and sends a FDMI command using the CT subsystem.
3418  */
3419 int
3420 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3421 	      int cmdcode, uint32_t new_mask)
3422 {
3423 	struct lpfc_hba *phba = vport->phba;
3424 	struct lpfc_dmabuf *mp, *bmp;
3425 	struct lpfc_sli_ct_request *CtReq;
3426 	struct ulp_bde64 *bpl;
3427 	uint32_t bit_pos;
3428 	uint32_t size;
3429 	uint32_t rsp_size;
3430 	uint32_t mask;
3431 	struct lpfc_fdmi_reg_hba *rh;
3432 	struct lpfc_fdmi_port_entry *pe;
3433 	struct lpfc_fdmi_reg_portattr *pab = NULL;
3434 	struct lpfc_fdmi_attr_block *ab = NULL;
3435 	int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
3436 	void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
3437 		     struct lpfc_iocbq *);
3438 
3439 	if (!ndlp)
3440 		return 0;
3441 
3442 	cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
3443 
3444 	/* fill in BDEs for command */
3445 	/* Allocate buffer for command payload */
3446 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3447 	if (!mp)
3448 		goto fdmi_cmd_exit;
3449 
3450 	mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
3451 	if (!mp->virt)
3452 		goto fdmi_cmd_free_mp;
3453 
3454 	/* Allocate buffer for Buffer ptr list */
3455 	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3456 	if (!bmp)
3457 		goto fdmi_cmd_free_mpvirt;
3458 
3459 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
3460 	if (!bmp->virt)
3461 		goto fdmi_cmd_free_bmp;
3462 
3463 	INIT_LIST_HEAD(&mp->list);
3464 	INIT_LIST_HEAD(&bmp->list);
3465 
3466 	/* FDMI request */
3467 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3468 			 "0218 FDMI Request Data: x%x x%x x%x\n",
3469 			 vport->fc_flag, vport->port_state, cmdcode);
3470 	CtReq = (struct lpfc_sli_ct_request *)mp->virt;
3471 
3472 	/* First populate the CT_IU preamble */
3473 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
3474 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
3475 	CtReq->RevisionId.bits.InId = 0;
3476 
3477 	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3478 	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
3479 
3480 	CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3481 	rsp_size = LPFC_BPL_SIZE;
3482 	size = 0;
3483 
3484 	/* Next fill in the specific FDMI cmd information */
3485 	switch (cmdcode) {
3486 	case SLI_MGMT_RHAT:
3487 	case SLI_MGMT_RHBA:
3488 		rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
3489 		/* HBA Identifier */
3490 		memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3491 		       sizeof(struct lpfc_name));
3492 
3493 		if (cmdcode == SLI_MGMT_RHBA) {
3494 			/* Registered Port List */
3495 			/* One entry (port) per adapter */
3496 			rh->rpl.EntryCnt = cpu_to_be32(1);
3497 			memcpy(&rh->rpl.pe.PortName,
3498 			       &phba->pport->fc_sparam.portName,
3499 			       sizeof(struct lpfc_name));
3500 
3501 			/* point to the HBA attribute block */
3502 			size = 2 * sizeof(struct lpfc_name) +
3503 				FOURBYTES;
3504 		} else {
3505 			size = sizeof(struct lpfc_name);
3506 		}
3507 		ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3508 		ab->EntryCnt = 0;
3509 		size += FOURBYTES;
3510 		bit_pos = 0;
3511 		if (new_mask)
3512 			mask = new_mask;
3513 		else
3514 			mask = vport->fdmi_hba_mask;
3515 
3516 		/* Mask will dictate what attributes to build in the request */
3517 		while (mask) {
3518 			if (mask & 0x1) {
3519 				func = lpfc_fdmi_hba_action[bit_pos];
3520 				size += func(vport,
3521 					     (struct lpfc_fdmi_attr_def *)
3522 					     ((uint8_t *)rh + size));
3523 				ab->EntryCnt++;
3524 				if ((size + 256) >
3525 				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3526 					goto hba_out;
3527 			}
3528 			mask = mask >> 1;
3529 			bit_pos++;
3530 		}
3531 hba_out:
3532 		ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3533 		/* Total size */
3534 		size = GID_REQUEST_SZ - 4 + size;
3535 		break;
3536 
3537 	case SLI_MGMT_RPRT:
3538 	case SLI_MGMT_RPA:
3539 		pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
3540 		if (cmdcode == SLI_MGMT_RPRT) {
3541 			rh = (struct lpfc_fdmi_reg_hba *)pab;
3542 			/* HBA Identifier */
3543 			memcpy(&rh->hi.PortName,
3544 			       &phba->pport->fc_sparam.portName,
3545 			       sizeof(struct lpfc_name));
3546 			pab = (struct lpfc_fdmi_reg_portattr *)
3547 				((uint8_t *)pab +  sizeof(struct lpfc_name));
3548 		}
3549 
3550 		memcpy((uint8_t *)&pab->PortName,
3551 		       (uint8_t *)&vport->fc_sparam.portName,
3552 		       sizeof(struct lpfc_name));
3553 		size += sizeof(struct lpfc_name) + FOURBYTES;
3554 		pab->ab.EntryCnt = 0;
3555 		bit_pos = 0;
3556 		if (new_mask)
3557 			mask = new_mask;
3558 		else
3559 			mask = vport->fdmi_port_mask;
3560 
3561 		/* Mask will dictate what attributes to build in the request */
3562 		while (mask) {
3563 			if (mask & 0x1) {
3564 				func = lpfc_fdmi_port_action[bit_pos];
3565 				size += func(vport,
3566 					     (struct lpfc_fdmi_attr_def *)
3567 					     ((uint8_t *)pab + size));
3568 				pab->ab.EntryCnt++;
3569 				if ((size + 256) >
3570 				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3571 					goto port_out;
3572 			}
3573 			mask = mask >> 1;
3574 			bit_pos++;
3575 		}
3576 port_out:
3577 		pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3578 		/* Total size */
3579 		if (cmdcode == SLI_MGMT_RPRT)
3580 			size += sizeof(struct lpfc_name);
3581 		size = GID_REQUEST_SZ - 4 + size;
3582 		break;
3583 
3584 	case SLI_MGMT_GHAT:
3585 	case SLI_MGMT_GRPL:
3586 		rsp_size = FC_MAX_NS_RSP;
3587 		fallthrough;
3588 	case SLI_MGMT_DHBA:
3589 	case SLI_MGMT_DHAT:
3590 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3591 		memcpy((uint8_t *)&pe->PortName,
3592 		       (uint8_t *)&vport->fc_sparam.portName,
3593 		       sizeof(struct lpfc_name));
3594 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3595 		break;
3596 
3597 	case SLI_MGMT_GPAT:
3598 	case SLI_MGMT_GPAS:
3599 		rsp_size = FC_MAX_NS_RSP;
3600 		fallthrough;
3601 	case SLI_MGMT_DPRT:
3602 	case SLI_MGMT_DPA:
3603 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3604 		memcpy((uint8_t *)&pe->PortName,
3605 		       (uint8_t *)&vport->fc_sparam.portName,
3606 		       sizeof(struct lpfc_name));
3607 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3608 		break;
3609 	case SLI_MGMT_GRHL:
3610 		size = GID_REQUEST_SZ - 4;
3611 		break;
3612 	default:
3613 		lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3614 				 "0298 FDMI cmdcode x%x not supported\n",
3615 				 cmdcode);
3616 		goto fdmi_cmd_free_bmpvirt;
3617 	}
3618 	CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3619 
3620 	bpl = (struct ulp_bde64 *)bmp->virt;
3621 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
3622 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
3623 	bpl->tus.f.bdeFlags = 0;
3624 	bpl->tus.f.bdeSize = size;
3625 
3626 	/*
3627 	 * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3628 	 * to hold ndlp reference for the corresponding callback function.
3629 	 */
3630 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
3631 		return 0;
3632 
3633 fdmi_cmd_free_bmpvirt:
3634 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3635 fdmi_cmd_free_bmp:
3636 	kfree(bmp);
3637 fdmi_cmd_free_mpvirt:
3638 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
3639 fdmi_cmd_free_mp:
3640 	kfree(mp);
3641 fdmi_cmd_exit:
3642 	/* Issue FDMI request failed */
3643 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3644 			 "0244 Issue FDMI request failed Data: x%x\n",
3645 			 cmdcode);
3646 	return 1;
3647 }
3648 
3649 /**
3650  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3651  * @t: Context object of the timer.
3652  *
3653  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3654  * the worker thread.
3655  **/
3656 void
3657 lpfc_delayed_disc_tmo(struct timer_list *t)
3658 {
3659 	struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3660 	struct lpfc_hba   *phba = vport->phba;
3661 	uint32_t tmo_posted;
3662 	unsigned long iflag;
3663 
3664 	spin_lock_irqsave(&vport->work_port_lock, iflag);
3665 	tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3666 	if (!tmo_posted)
3667 		vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3668 	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3669 
3670 	if (!tmo_posted)
3671 		lpfc_worker_wake_up(phba);
3672 	return;
3673 }
3674 
3675 /**
3676  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3677  *      handle delayed discovery.
3678  * @vport: pointer to a host virtual N_Port data structure.
3679  *
3680  * This function start nport discovery of the vport.
3681  **/
3682 void
3683 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3684 {
3685 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3686 
3687 	spin_lock_irq(shost->host_lock);
3688 	if (!(vport->fc_flag & FC_DISC_DELAYED)) {
3689 		spin_unlock_irq(shost->host_lock);
3690 		return;
3691 	}
3692 	vport->fc_flag &= ~FC_DISC_DELAYED;
3693 	spin_unlock_irq(shost->host_lock);
3694 
3695 	lpfc_do_scr_ns_plogi(vport->phba, vport);
3696 }
3697 
3698 void
3699 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3700 {
3701 	struct lpfc_sli *psli = &phba->sli;
3702 	lpfc_vpd_t *vp = &phba->vpd;
3703 	uint32_t b1, b2, b3, b4, i, rev;
3704 	char c;
3705 	uint32_t *ptr, str[4];
3706 	uint8_t *fwname;
3707 
3708 	if (phba->sli_rev == LPFC_SLI_REV4)
3709 		snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3710 	else if (vp->rev.rBit) {
3711 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
3712 			rev = vp->rev.sli2FwRev;
3713 		else
3714 			rev = vp->rev.sli1FwRev;
3715 
3716 		b1 = (rev & 0x0000f000) >> 12;
3717 		b2 = (rev & 0x00000f00) >> 8;
3718 		b3 = (rev & 0x000000c0) >> 6;
3719 		b4 = (rev & 0x00000030) >> 4;
3720 
3721 		switch (b4) {
3722 		case 0:
3723 			c = 'N';
3724 			break;
3725 		case 1:
3726 			c = 'A';
3727 			break;
3728 		case 2:
3729 			c = 'B';
3730 			break;
3731 		case 3:
3732 			c = 'X';
3733 			break;
3734 		default:
3735 			c = 0;
3736 			break;
3737 		}
3738 		b4 = (rev & 0x0000000f);
3739 
3740 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
3741 			fwname = vp->rev.sli2FwName;
3742 		else
3743 			fwname = vp->rev.sli1FwName;
3744 
3745 		for (i = 0; i < 16; i++)
3746 			if (fwname[i] == 0x20)
3747 				fwname[i] = 0;
3748 
3749 		ptr = (uint32_t*)fwname;
3750 
3751 		for (i = 0; i < 3; i++)
3752 			str[i] = be32_to_cpu(*ptr++);
3753 
3754 		if (c == 0) {
3755 			if (flag)
3756 				sprintf(fwrevision, "%d.%d%d (%s)",
3757 					b1, b2, b3, (char *)str);
3758 			else
3759 				sprintf(fwrevision, "%d.%d%d", b1,
3760 					b2, b3);
3761 		} else {
3762 			if (flag)
3763 				sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3764 					b1, b2, b3, c,
3765 					b4, (char *)str);
3766 			else
3767 				sprintf(fwrevision, "%d.%d%d%c%d",
3768 					b1, b2, b3, c, b4);
3769 		}
3770 	} else {
3771 		rev = vp->rev.smFwRev;
3772 
3773 		b1 = (rev & 0xff000000) >> 24;
3774 		b2 = (rev & 0x00f00000) >> 20;
3775 		b3 = (rev & 0x000f0000) >> 16;
3776 		c  = (rev & 0x0000ff00) >> 8;
3777 		b4 = (rev & 0x000000ff);
3778 
3779 		sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3780 	}
3781 	return;
3782 }
3783 
3784 static void
3785 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3786 		      struct lpfc_iocbq *rspiocb)
3787 {
3788 	struct lpfc_vport *vport = cmdiocb->vport;
3789 	struct lpfc_dmabuf *inp = cmdiocb->context1;
3790 	struct lpfc_dmabuf *outp = cmdiocb->context2;
3791 	struct lpfc_sli_ct_request *ctcmd = inp->virt;
3792 	struct lpfc_sli_ct_request *ctrsp = outp->virt;
3793 	u16 rsp = ctrsp->CommandResponse.bits.CmdRsp;
3794 	struct app_id_object *app;
3795 	u32 cmd, hash, bucket;
3796 	struct lpfc_vmid *vmp, *cur;
3797 	u8 *data = outp->virt;
3798 	int i;
3799 
3800 	cmd = be16_to_cpu(ctcmd->CommandResponse.bits.CmdRsp);
3801 	if (cmd == SLI_CTAS_DALLAPP_ID)
3802 		lpfc_ct_free_iocb(phba, cmdiocb);
3803 
3804 	if (lpfc_els_chk_latt(vport) || rspiocb->iocb.ulpStatus) {
3805 		if (cmd != SLI_CTAS_DALLAPP_ID)
3806 			return;
3807 	}
3808 	/* Check for a CT LS_RJT response */
3809 	if (rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
3810 		if (cmd != SLI_CTAS_DALLAPP_ID)
3811 			lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3812 					 "3306 VMID FS_RJT Data: x%x x%x x%x\n",
3813 					 cmd, ctrsp->ReasonCode,
3814 					 ctrsp->Explanation);
3815 		if ((cmd != SLI_CTAS_DALLAPP_ID) ||
3816 		    (ctrsp->ReasonCode != SLI_CT_UNABLE_TO_PERFORM_REQ) ||
3817 		    (ctrsp->Explanation != SLI_CT_APP_ID_NOT_AVAILABLE)) {
3818 			/* If DALLAPP_ID failed retry later */
3819 			if (cmd == SLI_CTAS_DALLAPP_ID)
3820 				vport->load_flag |= FC_DEREGISTER_ALL_APP_ID;
3821 			return;
3822 		}
3823 	}
3824 
3825 	switch (cmd) {
3826 	case SLI_CTAS_RAPP_IDENT:
3827 		app = (struct app_id_object *)(RAPP_IDENT_OFFSET + data);
3828 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3829 				 "6712 RAPP_IDENT app id %d  port id x%x id "
3830 				 "len %d\n", be32_to_cpu(app->app_id),
3831 				 be32_to_cpu(app->port_id),
3832 				 app->obj.entity_id_len);
3833 
3834 		if (app->obj.entity_id_len == 0 || app->port_id == 0)
3835 			return;
3836 
3837 		hash = lpfc_vmid_hash_fn(app->obj.entity_id,
3838 					 app->obj.entity_id_len);
3839 		vmp = lpfc_get_vmid_from_hashtable(vport, hash,
3840 						  app->obj.entity_id);
3841 		if (vmp) {
3842 			write_lock(&vport->vmid_lock);
3843 			vmp->un.app_id = be32_to_cpu(app->app_id);
3844 			vmp->flag |= LPFC_VMID_REGISTERED;
3845 			vmp->flag &= ~LPFC_VMID_REQ_REGISTER;
3846 			write_unlock(&vport->vmid_lock);
3847 			/* Set IN USE flag */
3848 			vport->vmid_flag |= LPFC_VMID_IN_USE;
3849 		} else {
3850 			lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3851 					 "6901 No entry found %s hash %d\n",
3852 					 app->obj.entity_id, hash);
3853 		}
3854 		break;
3855 	case SLI_CTAS_DAPP_IDENT:
3856 		app = (struct app_id_object *)(DAPP_IDENT_OFFSET + data);
3857 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3858 				 "6713 DAPP_IDENT app id %d  port id x%x\n",
3859 				 be32_to_cpu(app->app_id),
3860 				 be32_to_cpu(app->port_id));
3861 		break;
3862 	case SLI_CTAS_DALLAPP_ID:
3863 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3864 				 "8856 Deregistered all app ids\n");
3865 		read_lock(&vport->vmid_lock);
3866 		for (i = 0; i < phba->cfg_max_vmid; i++) {
3867 			vmp = &vport->vmid[i];
3868 			if (vmp->flag != LPFC_VMID_SLOT_FREE)
3869 				memset(vmp, 0, sizeof(struct lpfc_vmid));
3870 		}
3871 		read_unlock(&vport->vmid_lock);
3872 		/* for all elements in the hash table */
3873 		if (!hash_empty(vport->hash_table))
3874 			hash_for_each(vport->hash_table, bucket, cur, hnode)
3875 				hash_del(&cur->hnode);
3876 		vport->load_flag |= FC_ALLOW_VMID;
3877 		break;
3878 	default:
3879 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3880 				 "8857 Invalid command code\n");
3881 	}
3882 }
3883 
3884 /**
3885  * lpfc_vmid_cmd - Build and send a FDMI cmd to the specified NPort
3886  * @vport: pointer to a host virtual N_Port data structure.
3887  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3888  * cmdcode: FDMI command to send
3889  * mask: Mask of HBA or PORT Attributes to send
3890  *
3891  * Builds and sends a FDMI command using the CT subsystem.
3892  */
3893 int
3894 lpfc_vmid_cmd(struct lpfc_vport *vport,
3895 	      int cmdcode, struct lpfc_vmid *vmid)
3896 {
3897 	struct lpfc_hba *phba = vport->phba;
3898 	struct lpfc_dmabuf *mp, *bmp;
3899 	struct lpfc_sli_ct_request *ctreq;
3900 	struct ulp_bde64 *bpl;
3901 	u32 size;
3902 	u32 rsp_size;
3903 	u8 *data;
3904 	struct lpfc_vmid_rapp_ident_list *rap;
3905 	struct lpfc_vmid_dapp_ident_list *dap;
3906 	u8 retry = 0;
3907 	struct lpfc_nodelist *ndlp;
3908 
3909 	void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3910 		     struct lpfc_iocbq *rspiocb);
3911 
3912 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
3913 	if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
3914 		return 0;
3915 
3916 	cmpl = lpfc_cmpl_ct_cmd_vmid;
3917 
3918 	/* fill in BDEs for command */
3919 	/* Allocate buffer for command payload */
3920 	mp = kmalloc(sizeof(*mp), GFP_KERNEL);
3921 	if (!mp)
3922 		goto vmid_free_mp_exit;
3923 
3924 	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3925 	if (!mp->virt)
3926 		goto vmid_free_mp_virt_exit;
3927 
3928 	/* Allocate buffer for Buffer ptr list */
3929 	bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
3930 	if (!bmp)
3931 		goto vmid_free_bmp_exit;
3932 
3933 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
3934 	if (!bmp->virt)
3935 		goto vmid_free_bmp_virt_exit;
3936 
3937 	INIT_LIST_HEAD(&mp->list);
3938 	INIT_LIST_HEAD(&bmp->list);
3939 
3940 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3941 			 "3275 VMID Request Data: x%x x%x x%x\n",
3942 			 vport->fc_flag, vport->port_state, cmdcode);
3943 	ctreq = (struct lpfc_sli_ct_request *)mp->virt;
3944 	data = mp->virt;
3945 	/* First populate the CT_IU preamble */
3946 	memset(data, 0, LPFC_BPL_SIZE);
3947 	ctreq->RevisionId.bits.Revision = SLI_CT_REVISION;
3948 	ctreq->RevisionId.bits.InId = 0;
3949 
3950 	ctreq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3951 	ctreq->FsSubType = SLI_CT_APP_SEV_Subtypes;
3952 
3953 	ctreq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3954 	rsp_size = LPFC_BPL_SIZE;
3955 	size = 0;
3956 
3957 	switch (cmdcode) {
3958 	case SLI_CTAS_RAPP_IDENT:
3959 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3960 				 "1329 RAPP_IDENT for %s\n", vmid->host_vmid);
3961 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3962 		rap = (struct lpfc_vmid_rapp_ident_list *)
3963 			(DAPP_IDENT_OFFSET + data);
3964 		rap->no_of_objects = cpu_to_be32(1);
3965 		rap->obj[0].entity_id_len = vmid->vmid_len;
3966 		memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
3967 		size = RAPP_IDENT_OFFSET +
3968 			sizeof(struct lpfc_vmid_rapp_ident_list);
3969 		retry = 1;
3970 		break;
3971 
3972 	case SLI_CTAS_GALLAPPIA_ID:
3973 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3974 		size = GALLAPPIA_ID_SIZE;
3975 		break;
3976 
3977 	case SLI_CTAS_DAPP_IDENT:
3978 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3979 				 "1469 DAPP_IDENT for %s\n", vmid->host_vmid);
3980 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3981 		dap = (struct lpfc_vmid_dapp_ident_list *)
3982 			(DAPP_IDENT_OFFSET + data);
3983 		dap->no_of_objects = cpu_to_be32(1);
3984 		dap->obj[0].entity_id_len = vmid->vmid_len;
3985 		memcpy(dap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
3986 		size = DAPP_IDENT_OFFSET +
3987 			sizeof(struct lpfc_vmid_dapp_ident_list);
3988 		write_lock(&vport->vmid_lock);
3989 		vmid->flag &= ~LPFC_VMID_REGISTERED;
3990 		write_unlock(&vport->vmid_lock);
3991 		retry = 1;
3992 		break;
3993 
3994 	case SLI_CTAS_DALLAPP_ID:
3995 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3996 		size = DALLAPP_ID_SIZE;
3997 		break;
3998 
3999 	default:
4000 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4001 				 "7062 VMID cmdcode x%x not supported\n",
4002 				 cmdcode);
4003 		goto vmid_free_all_mem;
4004 	}
4005 
4006 	ctreq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
4007 
4008 	bpl = (struct ulp_bde64 *)bmp->virt;
4009 	bpl->addrHigh = putPaddrHigh(mp->phys);
4010 	bpl->addrLow = putPaddrLow(mp->phys);
4011 	bpl->tus.f.bdeFlags = 0;
4012 	bpl->tus.f.bdeSize = size;
4013 
4014 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
4015 	 * to hold ndlp reference for the corresponding callback function.
4016 	 */
4017 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry))
4018 		return 0;
4019 
4020  vmid_free_all_mem:
4021 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
4022  vmid_free_bmp_virt_exit:
4023 	kfree(bmp);
4024  vmid_free_bmp_exit:
4025 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
4026  vmid_free_mp_virt_exit:
4027 	kfree(mp);
4028  vmid_free_mp_exit:
4029 
4030 	/* Issue CT request failed */
4031 	lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4032 			 "3276 VMID CT request failed Data: x%x\n", cmdcode);
4033 	return -EIO;
4034 }
4035