xref: /linux/drivers/scsi/lpfc/lpfc_ct.c (revision e04e2b760ddbe3d7b283a05898c3a029085cd8cd)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017-2024 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 				get_job_ulpstatus(phba, piocbq));
91 	}
92 	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
93 			"0145 Ignoring unsolicited CT HBQ Size:%d "
94 			"status = x%x\n",
95 			size, get_job_ulpstatus(phba, piocbq));
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 = cmdiocb->ndlp;
122 	if (ndlp)
123 		lpfc_nlp_put(ndlp);
124 
125 	mp = cmdiocb->rsp_dmabuf;
126 	bmp = cmdiocb->bpl_dmabuf;
127 	if (mp) {
128 		lpfc_mbuf_free(phba, mp->virt, mp->phys);
129 		kfree(mp);
130 		cmdiocb->rsp_dmabuf = NULL;
131 	}
132 
133 	if (bmp) {
134 		lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
135 		kfree(bmp);
136 		cmdiocb->bpl_dmabuf = 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  * @ulp_context: context of 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 ulp_context, 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 	u8 rc = 0;
165 	u32 tmo;
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_BDE_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 	if (phba->sli_rev == LPFC_SLI_REV4) {
224 		lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp,
225 					 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi],
226 					 ox_id, 1, FC_RCTL_DD_SOL_CTL, 1,
227 					 CMD_XMIT_SEQUENCE64_WQE);
228 	} else {
229 		lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp, 0, ulp_context, 1,
230 					 FC_RCTL_DD_SOL_CTL, 1,
231 					 CMD_XMIT_SEQUENCE64_CX);
232 	}
233 
234 	/* Save for completion so we can release these resources */
235 	cmdiocbq->rsp_dmabuf = mp;
236 	cmdiocbq->bpl_dmabuf = bmp;
237 	cmdiocbq->cmd_cmpl = lpfc_ct_unsol_cmpl;
238 	tmo = (3 * phba->fc_ratov);
239 
240 	cmdiocbq->retry = 0;
241 	cmdiocbq->vport = vport;
242 	cmdiocbq->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
243 
244 	cmdiocbq->ndlp = lpfc_nlp_get(ndlp);
245 	if (!cmdiocbq->ndlp)
246 		goto ct_no_ndlp;
247 
248 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
249 	if (rc) {
250 		lpfc_nlp_put(ndlp);
251 		goto ct_no_ndlp;
252 	}
253 	return;
254 
255 ct_no_ndlp:
256 	rc = 6;
257 	lpfc_sli_release_iocbq(phba, cmdiocbq);
258 ct_free_bmpvirt:
259 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
260 ct_free_bmp:
261 	kfree(bmp);
262 ct_free_mpvirt:
263 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
264 ct_free_mp:
265 	kfree(mp);
266 ct_exit:
267 	lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
268 			 "6440 Unsol CT: Rsp err %d Data: x%lx\n",
269 			 rc, vport->fc_flag);
270 }
271 
272 /**
273  * lpfc_ct_handle_mibreq - Process an unsolicited CT MIB request data buffer
274  * @phba: pointer to lpfc hba data structure.
275  * @ctiocbq: pointer to lpfc CT command iocb data structure.
276  *
277  * This routine is used for processing the IOCB associated with a unsolicited
278  * CT MIB request. It first determines whether there is an existing ndlp that
279  * matches the DID from the unsolicited IOCB. If not, it will return.
280  **/
281 static void
282 lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq)
283 {
284 	struct lpfc_sli_ct_request *ct_req;
285 	struct lpfc_nodelist *ndlp = NULL;
286 	struct lpfc_vport *vport = ctiocbq->vport;
287 	u32 ulp_status = get_job_ulpstatus(phba, ctiocbq);
288 	u32 ulp_word4 = get_job_word4(phba, ctiocbq);
289 	u32 did;
290 	u16 mi_cmd;
291 
292 	did = bf_get(els_rsp64_sid, &ctiocbq->wqe.xmit_els_rsp);
293 	if (ulp_status) {
294 		lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS,
295 			      "6438 Unsol CT: status:x%x/x%x did : x%x\n",
296 			      ulp_status, ulp_word4, did);
297 		return;
298 	}
299 
300 	/* Ignore traffic received during vport shutdown */
301 	if (test_bit(FC_UNLOADING, &vport->load_flag))
302 		return;
303 
304 	ndlp = lpfc_findnode_did(vport, did);
305 	if (!ndlp) {
306 		lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS,
307 			      "6439 Unsol CT: NDLP Not Found for DID : x%x",
308 			      did);
309 		return;
310 	}
311 
312 	ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt;
313 
314 	mi_cmd = be16_to_cpu(ct_req->CommandResponse.bits.CmdRsp);
315 	lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS,
316 		      "6442 MI Cmd : x%x Not Supported\n", mi_cmd);
317 	lpfc_ct_reject_event(ndlp, ct_req,
318 			     bf_get(wqe_ctxt_tag,
319 				    &ctiocbq->wqe.xmit_els_rsp.wqe_com),
320 			     bf_get(wqe_rcvoxid,
321 				    &ctiocbq->wqe.xmit_els_rsp.wqe_com));
322 }
323 
324 /**
325  * lpfc_ct_unsol_event - Process an unsolicited event from a ct sli ring
326  * @phba: pointer to lpfc hba data structure.
327  * @pring: pointer to a SLI ring.
328  * @ctiocbq: pointer to lpfc ct iocb data structure.
329  *
330  * This routine is used to process an unsolicited event received from a SLI
331  * (Service Level Interface) ring. The actual processing of the data buffer
332  * associated with the unsolicited event is done by invoking appropriate routine
333  * after properly set up the iocb buffer from the SLI ring on which the
334  * unsolicited event was received.
335  **/
336 void
337 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
338 		    struct lpfc_iocbq *ctiocbq)
339 {
340 	struct lpfc_dmabuf *mp = NULL;
341 	IOCB_t *icmd = &ctiocbq->iocb;
342 	int i;
343 	struct lpfc_iocbq *iocbq;
344 	struct lpfc_iocbq *iocb;
345 	dma_addr_t dma_addr;
346 	uint32_t size;
347 	struct list_head head;
348 	struct lpfc_sli_ct_request *ct_req;
349 	struct lpfc_dmabuf *bdeBuf1 = ctiocbq->cmd_dmabuf;
350 	struct lpfc_dmabuf *bdeBuf2 = ctiocbq->bpl_dmabuf;
351 	u32 status, parameter, bde_count = 0;
352 	struct lpfc_wcqe_complete *wcqe_cmpl = NULL;
353 
354 	ctiocbq->cmd_dmabuf = NULL;
355 	ctiocbq->rsp_dmabuf = NULL;
356 	ctiocbq->bpl_dmabuf = NULL;
357 
358 	wcqe_cmpl = &ctiocbq->wcqe_cmpl;
359 	status = get_job_ulpstatus(phba, ctiocbq);
360 	parameter = get_job_word4(phba, ctiocbq);
361 	if (phba->sli_rev == LPFC_SLI_REV4)
362 		bde_count = wcqe_cmpl->word3;
363 	else
364 		bde_count = icmd->ulpBdeCount;
365 
366 	if (unlikely(status == IOSTAT_NEED_BUFFER)) {
367 		lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
368 	} else if ((status == IOSTAT_LOCAL_REJECT) &&
369 		   ((parameter & IOERR_PARAM_MASK) ==
370 		   IOERR_RCV_BUFFER_WAITING)) {
371 		/* Not enough posted buffers; Try posting more buffers */
372 		phba->fc_stat.NoRcvBuf++;
373 		if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
374 			lpfc_sli3_post_buffer(phba, pring, 2);
375 		return;
376 	}
377 
378 	/* If there are no BDEs associated
379 	 * with this IOCB, there is nothing to do.
380 	 */
381 	if (bde_count == 0)
382 		return;
383 
384 	ctiocbq->cmd_dmabuf = bdeBuf1;
385 	if (bde_count == 2)
386 		ctiocbq->bpl_dmabuf = bdeBuf2;
387 
388 	ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt;
389 
390 	if (ct_req->FsType == SLI_CT_MANAGEMENT_SERVICE &&
391 	    ct_req->FsSubType == SLI_CT_MIB_Subtypes) {
392 		lpfc_ct_handle_mibreq(phba, ctiocbq);
393 	} else {
394 		if (!lpfc_bsg_ct_unsol_event(phba, pring, ctiocbq))
395 			return;
396 	}
397 
398 	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
399 		INIT_LIST_HEAD(&head);
400 		list_add_tail(&head, &ctiocbq->list);
401 		list_for_each_entry(iocb, &head, list) {
402 			if (phba->sli_rev == LPFC_SLI_REV4)
403 				bde_count = iocb->wcqe_cmpl.word3;
404 			else
405 				bde_count = iocb->iocb.ulpBdeCount;
406 
407 			if (!bde_count)
408 				continue;
409 			bdeBuf1 = iocb->cmd_dmabuf;
410 			iocb->cmd_dmabuf = NULL;
411 			if (phba->sli_rev == LPFC_SLI_REV4)
412 				size = iocb->wqe.gen_req.bde.tus.f.bdeSize;
413 			else
414 				size  = iocb->iocb.un.cont64[0].tus.f.bdeSize;
415 			lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf1, size);
416 			lpfc_in_buf_free(phba, bdeBuf1);
417 			if (bde_count == 2) {
418 				bdeBuf2 = iocb->bpl_dmabuf;
419 				iocb->bpl_dmabuf = NULL;
420 				if (phba->sli_rev == LPFC_SLI_REV4)
421 					size = iocb->unsol_rcv_len;
422 				else
423 					size = iocb->iocb.unsli3.rcvsli3.bde2.tus.f.bdeSize;
424 				lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf2,
425 						     size);
426 				lpfc_in_buf_free(phba, bdeBuf2);
427 			}
428 		}
429 		list_del(&head);
430 	} else {
431 		INIT_LIST_HEAD(&head);
432 		list_add_tail(&head, &ctiocbq->list);
433 		list_for_each_entry(iocbq, &head, list) {
434 			icmd = &iocbq->iocb;
435 			if (icmd->ulpBdeCount == 0)
436 				lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
437 			for (i = 0; i < icmd->ulpBdeCount; i++) {
438 				dma_addr = getPaddr(icmd->un.cont64[i].addrHigh,
439 						    icmd->un.cont64[i].addrLow);
440 				mp = lpfc_sli_ringpostbuf_get(phba, pring,
441 							      dma_addr);
442 				size = icmd->un.cont64[i].tus.f.bdeSize;
443 				lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
444 				lpfc_in_buf_free(phba, mp);
445 			}
446 			lpfc_sli3_post_buffer(phba, pring, i);
447 		}
448 		list_del(&head);
449 	}
450 }
451 
452 /**
453  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
454  * @phba: Pointer to HBA context object.
455  * @dmabuf: pointer to a dmabuf that describes the FC sequence
456  *
457  * This function serves as the upper level protocol abort handler for CT
458  * protocol.
459  *
460  * Return 1 if abort has been handled, 0 otherwise.
461  **/
462 int
463 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
464 {
465 	int handled;
466 
467 	/* CT upper level goes through BSG */
468 	handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
469 
470 	return handled;
471 }
472 
473 static void
474 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
475 {
476 	struct lpfc_dmabuf *mlast, *next_mlast;
477 
478 	list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
479 		list_del(&mlast->list);
480 		lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
481 		kfree(mlast);
482 	}
483 	lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
484 	kfree(mlist);
485 	return;
486 }
487 
488 static struct lpfc_dmabuf *
489 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, __be16 cmdcode, struct ulp_bde64 *bpl,
490 		  uint32_t size, int *entries)
491 {
492 	struct lpfc_dmabuf *mlist = NULL;
493 	struct lpfc_dmabuf *mp;
494 	int cnt, i = 0;
495 
496 	/* We get chunks of FCELSSIZE */
497 	cnt = size > FCELSSIZE ? FCELSSIZE: size;
498 
499 	while (size) {
500 		/* Allocate buffer for rsp payload */
501 		mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
502 		if (!mp) {
503 			if (mlist)
504 				lpfc_free_ct_rsp(phba, mlist);
505 			return NULL;
506 		}
507 
508 		INIT_LIST_HEAD(&mp->list);
509 
510 		if (be16_to_cpu(cmdcode) == SLI_CTNS_GID_FT ||
511 		    be16_to_cpu(cmdcode) == SLI_CTNS_GFF_ID)
512 			mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
513 		else
514 			mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
515 
516 		if (!mp->virt) {
517 			kfree(mp);
518 			if (mlist)
519 				lpfc_free_ct_rsp(phba, mlist);
520 			return NULL;
521 		}
522 
523 		/* Queue it to a linked list */
524 		if (!mlist)
525 			mlist = mp;
526 		else
527 			list_add_tail(&mp->list, &mlist->list);
528 
529 		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
530 		/* build buffer ptr list for IOCB */
531 		bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
532 		bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
533 		bpl->tus.f.bdeSize = (uint16_t) cnt;
534 		bpl->tus.w = le32_to_cpu(bpl->tus.w);
535 		bpl++;
536 
537 		i++;
538 		size -= cnt;
539 	}
540 
541 	*entries = i;
542 	return mlist;
543 }
544 
545 int
546 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
547 {
548 	struct lpfc_dmabuf *buf_ptr;
549 
550 	/* IOCBQ job structure gets cleaned during release.  Just release
551 	 * the dma buffers here.
552 	 */
553 	if (ctiocb->cmd_dmabuf) {
554 		buf_ptr = ctiocb->cmd_dmabuf;
555 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
556 		kfree(buf_ptr);
557 		ctiocb->cmd_dmabuf = NULL;
558 	}
559 	if (ctiocb->rsp_dmabuf) {
560 		lpfc_free_ct_rsp(phba, ctiocb->rsp_dmabuf);
561 		ctiocb->rsp_dmabuf = NULL;
562 	}
563 
564 	if (ctiocb->bpl_dmabuf) {
565 		buf_ptr = ctiocb->bpl_dmabuf;
566 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
567 		kfree(buf_ptr);
568 		ctiocb->bpl_dmabuf = NULL;
569 	}
570 	lpfc_sli_release_iocbq(phba, ctiocb);
571 	return 0;
572 }
573 
574 /*
575  * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
576  * @vport: pointer to a host virtual N_Port data structure.
577  * @bmp: Pointer to BPL for SLI command
578  * @inp: Pointer to data buffer for response data.
579  * @outp: Pointer to data buffer that hold the CT command.
580  * @cmpl: completion routine to call when command completes
581  * @ndlp: Destination NPort nodelist entry
582  *
583  * This function as the final part for issuing a CT command.
584  */
585 static int
586 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
587 	     struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
588 	     void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
589 			  struct lpfc_iocbq *),
590 	     struct lpfc_nodelist *ndlp, uint32_t event_tag, uint32_t num_entry,
591 	     uint32_t tmo, uint8_t retry)
592 {
593 	struct lpfc_hba  *phba = vport->phba;
594 	struct lpfc_iocbq *geniocb;
595 	int rc;
596 	u16 ulp_context;
597 
598 	/* Allocate buffer for  command iocb */
599 	geniocb = lpfc_sli_get_iocbq(phba);
600 
601 	if (geniocb == NULL)
602 		return 1;
603 
604 	/* Update the num_entry bde count */
605 	geniocb->num_bdes = num_entry;
606 
607 	geniocb->bpl_dmabuf = bmp;
608 
609 	/* Save for completion so we can release these resources */
610 	geniocb->cmd_dmabuf = inp;
611 	geniocb->rsp_dmabuf = outp;
612 
613 	geniocb->event_tag = event_tag;
614 
615 	if (!tmo) {
616 		 /* FC spec states we need 3 * ratov for CT requests */
617 		tmo = (3 * phba->fc_ratov);
618 	}
619 
620 	if (phba->sli_rev == LPFC_SLI_REV4)
621 		ulp_context = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
622 	else
623 		ulp_context = ndlp->nlp_rpi;
624 
625 	lpfc_sli_prep_gen_req(phba, geniocb, bmp, ulp_context, num_entry, tmo);
626 
627 	/* Issue GEN REQ IOCB for NPORT <did> */
628 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
629 			 "0119 Issue GEN REQ IOCB to NPORT x%x "
630 			 "Data: x%x x%x\n",
631 			 ndlp->nlp_DID, geniocb->iotag,
632 			 vport->port_state);
633 	geniocb->cmd_cmpl = cmpl;
634 	geniocb->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
635 	geniocb->vport = vport;
636 	geniocb->retry = retry;
637 	geniocb->ndlp = lpfc_nlp_get(ndlp);
638 	if (!geniocb->ndlp)
639 		goto out;
640 
641 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
642 	if (rc == IOCB_ERROR) {
643 		lpfc_nlp_put(ndlp);
644 		goto out;
645 	}
646 
647 	return 0;
648 out:
649 	lpfc_sli_release_iocbq(phba, geniocb);
650 	return 1;
651 }
652 
653 /*
654  * lpfc_ct_cmd - Build and issue a CT command
655  * @vport: pointer to a host virtual N_Port data structure.
656  * @inmp: Pointer to data buffer for response data.
657  * @bmp: Pointer to BPL for SLI command
658  * @ndlp: Destination NPort nodelist entry
659  * @cmpl: completion routine to call when command completes
660  *
661  * This function is called for issuing a CT command.
662  */
663 static int
664 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
665 	    struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
666 	    void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
667 			  struct lpfc_iocbq *),
668 	    uint32_t rsp_size, uint8_t retry)
669 {
670 	struct lpfc_hba  *phba = vport->phba;
671 	struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
672 	struct lpfc_dmabuf *outmp;
673 	int cnt = 0, status;
674 	__be16 cmdcode = ((struct lpfc_sli_ct_request *)inmp->virt)->
675 		CommandResponse.bits.CmdRsp;
676 
677 	bpl++;			/* Skip past ct request */
678 
679 	/* Put buffer(s) for ct rsp in bpl */
680 	outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
681 	if (!outmp)
682 		return -ENOMEM;
683 	/*
684 	 * Form the CT IOCB.  The total number of BDEs in this IOCB
685 	 * is the single command plus response count from
686 	 * lpfc_alloc_ct_rsp.
687 	 */
688 	cnt += 1;
689 	status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp,
690 			phba->fc_eventTag, cnt, 0, retry);
691 	if (status) {
692 		lpfc_free_ct_rsp(phba, outmp);
693 		return -ENOMEM;
694 	}
695 	return 0;
696 }
697 
698 struct lpfc_vport *
699 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
700 	struct lpfc_vport *vport_curr;
701 	unsigned long flags;
702 
703 	spin_lock_irqsave(&phba->port_list_lock, flags);
704 	list_for_each_entry(vport_curr, &phba->port_list, listentry) {
705 		if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
706 			spin_unlock_irqrestore(&phba->port_list_lock, flags);
707 			return vport_curr;
708 		}
709 	}
710 	spin_unlock_irqrestore(&phba->port_list_lock, flags);
711 	return NULL;
712 }
713 
714 static void
715 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
716 {
717 	struct lpfc_nodelist *ndlp;
718 
719 	if ((vport->port_type != LPFC_NPIV_PORT) ||
720 	    !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
721 
722 		ndlp = lpfc_setup_disc_node(vport, Did);
723 
724 		if (ndlp) {
725 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
726 				"Parse GID_FTrsp: did:x%x flg:x%lx x%x",
727 				Did, ndlp->nlp_flag, vport->fc_flag);
728 
729 			/* By default, the driver expects to support FCP FC4 */
730 			if (fc4_type == FC_TYPE_FCP)
731 				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
732 
733 			if (fc4_type == FC_TYPE_NVME)
734 				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
735 
736 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
737 					 "0238 Process x%06x NameServer Rsp "
738 					 "Data: x%x x%x x%x x%lx x%x\n", Did,
739 					 ndlp->nlp_flag, ndlp->nlp_fc4_type,
740 					 ndlp->nlp_state, vport->fc_flag,
741 					 vport->fc_rscn_id_cnt);
742 
743 			/* if ndlp needs to be discovered and prior
744 			 * state of ndlp hit devloss, change state to
745 			 * allow rediscovery.
746 			 */
747 			if (ndlp->nlp_flag & NLP_NPR_2B_DISC &&
748 			    ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
749 				lpfc_nlp_set_state(vport, ndlp,
750 						   NLP_STE_NPR_NODE);
751 			}
752 		} else {
753 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
754 				"Skip1 GID_FTrsp: did:x%x flg:x%lx cnt:%d",
755 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
756 
757 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
758 					 "0239 Skip x%06x NameServer Rsp "
759 					 "Data: x%lx x%x x%px\n",
760 					 Did, vport->fc_flag,
761 					 vport->fc_rscn_id_cnt, ndlp);
762 		}
763 	} else {
764 		if (!test_bit(FC_RSCN_MODE, &vport->fc_flag) ||
765 		    lpfc_rscn_payload_check(vport, Did)) {
766 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
767 				"Query GID_FTrsp: did:x%x flg:x%lx cnt:%d",
768 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
769 
770 			/*
771 			 * This NPortID was previously a FCP/NVMe target,
772 			 * Don't even bother to send GFF_ID.
773 			 */
774 			ndlp = lpfc_findnode_did(vport, Did);
775 			if (ndlp &&
776 			    (ndlp->nlp_type &
777 			    (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
778 				if (fc4_type == FC_TYPE_FCP)
779 					ndlp->nlp_fc4_type |= NLP_FC4_FCP;
780 				if (fc4_type == FC_TYPE_NVME)
781 					ndlp->nlp_fc4_type |= NLP_FC4_NVME;
782 				lpfc_setup_disc_node(vport, Did);
783 			} else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
784 				   0, Did) == 0)
785 				vport->num_disc_nodes++;
786 			else
787 				lpfc_setup_disc_node(vport, Did);
788 		} else {
789 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
790 				"Skip2 GID_FTrsp: did:x%x flg:x%lx cnt:%d",
791 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
792 
793 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
794 					 "0245 Skip x%06x NameServer Rsp "
795 					 "Data: x%lx x%x\n", Did,
796 					 vport->fc_flag,
797 					 vport->fc_rscn_id_cnt);
798 		}
799 	}
800 }
801 
802 static void
803 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
804 {
805 	struct lpfc_hba *phba = vport->phba;
806 	struct lpfc_nodelist *ndlp = NULL;
807 	char *str;
808 
809 	if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
810 		str = "GID_FT";
811 	else
812 		str = "GID_PT";
813 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
814 			 "6430 Process %s rsp for %08x type %x %s %s\n",
815 			 str, Did, fc4_type,
816 			 (fc4_type == FC_TYPE_FCP) ?  "FCP" : " ",
817 			 (fc4_type == FC_TYPE_NVME) ?  "NVME" : " ");
818 	/*
819 	 * To conserve rpi's, filter out addresses for other
820 	 * vports on the same physical HBAs.
821 	 */
822 	if (Did != vport->fc_myDID &&
823 	    (!lpfc_find_vport_by_did(phba, Did) ||
824 	     vport->cfg_peer_port_login)) {
825 		if (!phba->nvmet_support) {
826 			/* FCPI/NVMEI path. Process Did */
827 			lpfc_prep_node_fc4type(vport, Did, fc4_type);
828 			return;
829 		}
830 		/* NVMET path.  NVMET only cares about NVMEI nodes. */
831 		list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
832 			if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
833 			    ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
834 				continue;
835 			spin_lock_irq(&ndlp->lock);
836 			if (ndlp->nlp_DID == Did)
837 				ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
838 			else
839 				ndlp->nlp_flag |= NLP_NVMET_RECOV;
840 			spin_unlock_irq(&ndlp->lock);
841 		}
842 	}
843 }
844 
845 static int
846 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
847 	    uint32_t Size)
848 {
849 	struct lpfc_sli_ct_request *Response =
850 		(struct lpfc_sli_ct_request *) mp->virt;
851 	struct lpfc_dmabuf *mlast, *next_mp;
852 	uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
853 	uint32_t Did, CTentry;
854 	int Cnt;
855 	struct list_head head;
856 	struct lpfc_nodelist *ndlp = NULL;
857 
858 	lpfc_set_disctmo(vport);
859 	vport->num_disc_nodes = 0;
860 	vport->fc_ns_retry = 0;
861 
862 
863 	list_add_tail(&head, &mp->list);
864 	list_for_each_entry_safe(mp, next_mp, &head, list) {
865 		mlast = mp;
866 
867 		Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
868 
869 		Size -= Cnt;
870 
871 		if (!ctptr) {
872 			ctptr = (uint32_t *) mlast->virt;
873 		} else
874 			Cnt -= 16;	/* subtract length of CT header */
875 
876 		/* Loop through entire NameServer list of DIDs */
877 		while (Cnt >= sizeof(uint32_t)) {
878 			/* Get next DID from NameServer List */
879 			CTentry = *ctptr++;
880 			Did = ((be32_to_cpu(CTentry)) & Mask_DID);
881 			lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
882 			if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
883 				goto nsout1;
884 
885 			Cnt -= sizeof(uint32_t);
886 		}
887 		ctptr = NULL;
888 
889 	}
890 
891 	/* All GID_FT entries processed.  If the driver is running in
892 	 * in target mode, put impacted nodes into recovery and drop
893 	 * the RPI to flush outstanding IO.
894 	 */
895 	if (vport->phba->nvmet_support) {
896 		list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
897 			if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
898 				continue;
899 			lpfc_disc_state_machine(vport, ndlp, NULL,
900 						NLP_EVT_DEVICE_RECOVERY);
901 			spin_lock_irq(&ndlp->lock);
902 			ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
903 			spin_unlock_irq(&ndlp->lock);
904 		}
905 	}
906 
907 nsout1:
908 	list_del(&head);
909 	return 0;
910 }
911 
912 static void
913 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
914 			struct lpfc_iocbq *rspiocb)
915 {
916 	struct lpfc_vport *vport = cmdiocb->vport;
917 	struct lpfc_dmabuf *outp;
918 	struct lpfc_dmabuf *inp;
919 	struct lpfc_sli_ct_request *CTrsp;
920 	struct lpfc_sli_ct_request *CTreq;
921 	struct lpfc_nodelist *ndlp;
922 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
923 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
924 	int rc, type;
925 
926 	/* First save ndlp, before we overwrite it */
927 	ndlp = cmdiocb->ndlp;
928 
929 	/* we pass cmdiocb to state machine which needs rspiocb as well */
930 	cmdiocb->rsp_iocb = rspiocb;
931 	inp = cmdiocb->cmd_dmabuf;
932 	outp = cmdiocb->rsp_dmabuf;
933 
934 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
935 		 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
936 		ulp_status, ulp_word4, vport->fc_ns_retry);
937 
938 	/* Ignore response if link flipped after this request was made */
939 	if (cmdiocb->event_tag != phba->fc_eventTag) {
940 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
941 				 "9043 Event tag mismatch. Ignoring NS rsp\n");
942 		goto out;
943 	}
944 
945 	/* Skip processing response on pport if unloading */
946 	if (vport == phba->pport && test_bit(FC_UNLOADING, &vport->load_flag)) {
947 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
948 			lpfc_els_flush_rscn(vport);
949 		goto out;
950 	}
951 
952 	if (lpfc_els_chk_latt(vport)) {
953 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
954 				 "0216 Link event during NS query\n");
955 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
956 			lpfc_els_flush_rscn(vport);
957 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
958 		goto out;
959 	}
960 	if (lpfc_error_lost_link(vport, ulp_status, ulp_word4)) {
961 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
962 				 "0226 NS query failed due to link event: "
963 				 "ulp_status x%x ulp_word4 x%x fc_flag x%lx "
964 				 "port_state x%x gidft_inp x%x\n",
965 				 ulp_status, ulp_word4, vport->fc_flag,
966 				 vport->port_state, vport->gidft_inp);
967 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
968 			lpfc_els_flush_rscn(vport);
969 		if (vport->gidft_inp)
970 			vport->gidft_inp--;
971 		goto out;
972 	}
973 
974 	if (test_and_clear_bit(FC_RSCN_DEFERRED, &vport->fc_flag)) {
975 		/* This is a GID_FT completing so the gidft_inp counter was
976 		 * incremented before the GID_FT was issued to the wire.
977 		 */
978 		if (vport->gidft_inp)
979 			vport->gidft_inp--;
980 
981 		/*
982 		 * Skip processing the NS response
983 		 * Re-issue the NS cmd
984 		 */
985 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
986 				 "0151 Process Deferred RSCN Data: x%lx x%x\n",
987 				 vport->fc_flag, vport->fc_rscn_id_cnt);
988 		lpfc_els_handle_rscn(vport);
989 
990 		goto out;
991 	}
992 
993 	if (ulp_status) {
994 		/* Check for retry */
995 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
996 			if (ulp_status != IOSTAT_LOCAL_REJECT ||
997 			    (ulp_word4 & IOERR_PARAM_MASK) !=
998 			    IOERR_NO_RESOURCES)
999 				vport->fc_ns_retry++;
1000 
1001 			type = lpfc_get_gidft_type(vport, cmdiocb);
1002 			if (type == 0)
1003 				goto out;
1004 
1005 			/* CT command is being retried */
1006 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
1007 					 vport->fc_ns_retry, type);
1008 			if (rc == 0)
1009 				goto out;
1010 			else { /* Unable to send NS cmd */
1011 				if (vport->gidft_inp)
1012 					vport->gidft_inp--;
1013 			}
1014 		}
1015 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1016 			lpfc_els_flush_rscn(vport);
1017 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1018 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1019 				 "0257 GID_FT Query error: 0x%x 0x%x\n",
1020 				 ulp_status, vport->fc_ns_retry);
1021 	} else {
1022 		/* Good status, continue checking */
1023 		CTreq = (struct lpfc_sli_ct_request *) inp->virt;
1024 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1025 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1026 		    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1027 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1028 					 "0208 NameServer Rsp Data: x%lx x%x "
1029 					 "x%x x%x sz x%x\n",
1030 					 vport->fc_flag,
1031 					 CTreq->un.gid.Fc4Type,
1032 					 vport->num_disc_nodes,
1033 					 vport->gidft_inp,
1034 					 get_job_data_placed(phba, rspiocb));
1035 
1036 			lpfc_ns_rsp(vport,
1037 				    outp,
1038 				    CTreq->un.gid.Fc4Type,
1039 				    get_job_data_placed(phba, rspiocb));
1040 		} else if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1041 			   SLI_CT_RESPONSE_FS_RJT) {
1042 			/* NameServer Rsp Error */
1043 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1044 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1045 				lpfc_printf_vlog(vport, KERN_INFO,
1046 					LOG_DISCOVERY,
1047 					"0269 No NameServer Entries "
1048 					"Data: x%x x%x x%x x%lx\n",
1049 					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1050 					(uint32_t) CTrsp->ReasonCode,
1051 					(uint32_t) CTrsp->Explanation,
1052 					vport->fc_flag);
1053 
1054 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1055 				"GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
1056 				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1057 				(uint32_t) CTrsp->ReasonCode,
1058 				(uint32_t) CTrsp->Explanation);
1059 			} else {
1060 				lpfc_printf_vlog(vport, KERN_INFO,
1061 					LOG_DISCOVERY,
1062 					"0240 NameServer Rsp Error "
1063 					"Data: x%x x%x x%x x%lx\n",
1064 					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1065 					(uint32_t) CTrsp->ReasonCode,
1066 					(uint32_t) CTrsp->Explanation,
1067 					vport->fc_flag);
1068 
1069 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1070 				"GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1071 				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1072 				(uint32_t) CTrsp->ReasonCode,
1073 				(uint32_t) CTrsp->Explanation);
1074 			}
1075 
1076 
1077 		} else {
1078 			/* NameServer Rsp Error */
1079 			lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1080 					"0241 NameServer Rsp Error "
1081 					"Data: x%x x%x x%x x%lx\n",
1082 					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1083 					(uint32_t) CTrsp->ReasonCode,
1084 					(uint32_t) CTrsp->Explanation,
1085 					vport->fc_flag);
1086 
1087 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1088 				"GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1089 				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1090 				(uint32_t) CTrsp->ReasonCode,
1091 				(uint32_t) CTrsp->Explanation);
1092 		}
1093 		if (vport->gidft_inp)
1094 			vport->gidft_inp--;
1095 	}
1096 
1097 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1098 			 "4216 GID_FT cmpl inp %d disc %d\n",
1099 			 vport->gidft_inp, vport->num_disc_nodes);
1100 
1101 	/* Link up / RSCN discovery */
1102 	if ((vport->num_disc_nodes == 0) &&
1103 	    (vport->gidft_inp == 0)) {
1104 		/*
1105 		 * The driver has cycled through all Nports in the RSCN payload.
1106 		 * Complete the handling by cleaning up and marking the
1107 		 * current driver state.
1108 		 */
1109 		if (vport->port_state >= LPFC_DISC_AUTH) {
1110 			if (test_bit(FC_RSCN_MODE, &vport->fc_flag)) {
1111 				lpfc_els_flush_rscn(vport);
1112 				/* RSCN still */
1113 				set_bit(FC_RSCN_MODE, &vport->fc_flag);
1114 			} else {
1115 				lpfc_els_flush_rscn(vport);
1116 			}
1117 		}
1118 
1119 		lpfc_disc_start(vport);
1120 	}
1121 out:
1122 	lpfc_ct_free_iocb(phba, cmdiocb);
1123 	lpfc_nlp_put(ndlp);
1124 	return;
1125 }
1126 
1127 static void
1128 lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1129 			struct lpfc_iocbq *rspiocb)
1130 {
1131 	struct lpfc_vport *vport = cmdiocb->vport;
1132 	struct lpfc_dmabuf *outp;
1133 	struct lpfc_dmabuf *inp;
1134 	struct lpfc_sli_ct_request *CTrsp;
1135 	struct lpfc_sli_ct_request *CTreq;
1136 	struct lpfc_nodelist *ndlp;
1137 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1138 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
1139 	int rc;
1140 
1141 	/* First save ndlp, before we overwrite it */
1142 	ndlp = cmdiocb->ndlp;
1143 
1144 	/* we pass cmdiocb to state machine which needs rspiocb as well */
1145 	cmdiocb->rsp_iocb = rspiocb;
1146 	inp = cmdiocb->cmd_dmabuf;
1147 	outp = cmdiocb->rsp_dmabuf;
1148 
1149 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1150 			      "GID_PT cmpl:     status:x%x/x%x rtry:%d",
1151 			      ulp_status, ulp_word4,
1152 			      vport->fc_ns_retry);
1153 
1154 	/* Ignore response if link flipped after this request was made */
1155 	if (cmdiocb->event_tag != phba->fc_eventTag) {
1156 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1157 				 "9044 Event tag mismatch. Ignoring NS rsp\n");
1158 		goto out;
1159 	}
1160 
1161 	/* Skip processing response on pport if unloading */
1162 	if (vport == phba->pport && test_bit(FC_UNLOADING, &vport->load_flag)) {
1163 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1164 			lpfc_els_flush_rscn(vport);
1165 		goto out;
1166 	}
1167 
1168 	if (lpfc_els_chk_latt(vport)) {
1169 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1170 				 "4108 Link event during NS query\n");
1171 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1172 			lpfc_els_flush_rscn(vport);
1173 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1174 		goto out;
1175 	}
1176 	if (lpfc_error_lost_link(vport, ulp_status, ulp_word4)) {
1177 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1178 				 "4166 NS query failed due to link event: "
1179 				 "ulp_status x%x ulp_word4 x%x fc_flag x%lx "
1180 				 "port_state x%x gidft_inp x%x\n",
1181 				 ulp_status, ulp_word4, vport->fc_flag,
1182 				 vport->port_state, vport->gidft_inp);
1183 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1184 			lpfc_els_flush_rscn(vport);
1185 		if (vport->gidft_inp)
1186 			vport->gidft_inp--;
1187 		goto out;
1188 	}
1189 
1190 	if (test_and_clear_bit(FC_RSCN_DEFERRED, &vport->fc_flag)) {
1191 		/* This is a GID_PT completing so the gidft_inp counter was
1192 		 * incremented before the GID_PT was issued to the wire.
1193 		 */
1194 		if (vport->gidft_inp)
1195 			vport->gidft_inp--;
1196 
1197 		/*
1198 		 * Skip processing the NS response
1199 		 * Re-issue the NS cmd
1200 		 */
1201 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
1202 				 "4167 Process Deferred RSCN Data: x%lx x%x\n",
1203 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1204 		lpfc_els_handle_rscn(vport);
1205 
1206 		goto out;
1207 	}
1208 
1209 	if (ulp_status) {
1210 		/* Check for retry */
1211 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1212 			if (ulp_status != IOSTAT_LOCAL_REJECT ||
1213 			    (ulp_word4 & IOERR_PARAM_MASK) !=
1214 			    IOERR_NO_RESOURCES)
1215 				vport->fc_ns_retry++;
1216 
1217 			/* CT command is being retried */
1218 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
1219 					 vport->fc_ns_retry, GID_PT_N_PORT);
1220 			if (rc == 0)
1221 				goto out;
1222 			else { /* Unable to send NS cmd */
1223 				if (vport->gidft_inp)
1224 					vport->gidft_inp--;
1225 			}
1226 		}
1227 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1228 			lpfc_els_flush_rscn(vport);
1229 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1230 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1231 				 "4103 GID_FT Query error: 0x%x 0x%x\n",
1232 				 ulp_status, vport->fc_ns_retry);
1233 	} else {
1234 		/* Good status, continue checking */
1235 		CTreq = (struct lpfc_sli_ct_request *)inp->virt;
1236 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1237 		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1238 		    SLI_CT_RESPONSE_FS_ACC) {
1239 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1240 					 "4105 NameServer Rsp Data: x%lx x%x "
1241 					 "x%x x%x sz x%x\n",
1242 					 vport->fc_flag,
1243 					 CTreq->un.gid.Fc4Type,
1244 					 vport->num_disc_nodes,
1245 					 vport->gidft_inp,
1246 					 get_job_data_placed(phba, rspiocb));
1247 
1248 			lpfc_ns_rsp(vport,
1249 				    outp,
1250 				    CTreq->un.gid.Fc4Type,
1251 				    get_job_data_placed(phba, rspiocb));
1252 		} else if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1253 			   SLI_CT_RESPONSE_FS_RJT) {
1254 			/* NameServer Rsp Error */
1255 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1256 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1257 				lpfc_printf_vlog(
1258 					vport, KERN_INFO, LOG_DISCOVERY,
1259 					"4106 No NameServer Entries "
1260 					"Data: x%x x%x x%x x%lx\n",
1261 					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1262 					(uint32_t)CTrsp->ReasonCode,
1263 					(uint32_t)CTrsp->Explanation,
1264 					vport->fc_flag);
1265 
1266 				lpfc_debugfs_disc_trc(
1267 				vport, LPFC_DISC_TRC_CT,
1268 				"GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
1269 				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1270 				(uint32_t)CTrsp->ReasonCode,
1271 				(uint32_t)CTrsp->Explanation);
1272 			} else {
1273 				lpfc_printf_vlog(
1274 					vport, KERN_INFO, LOG_DISCOVERY,
1275 					"4107 NameServer Rsp Error "
1276 					"Data: x%x x%x x%x x%lx\n",
1277 					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1278 					(uint32_t)CTrsp->ReasonCode,
1279 					(uint32_t)CTrsp->Explanation,
1280 					vport->fc_flag);
1281 
1282 				lpfc_debugfs_disc_trc(
1283 				vport, LPFC_DISC_TRC_CT,
1284 				"GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1285 				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1286 				(uint32_t)CTrsp->ReasonCode,
1287 				(uint32_t)CTrsp->Explanation);
1288 			}
1289 		} else {
1290 			/* NameServer Rsp Error */
1291 			lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1292 					 "4109 NameServer Rsp Error "
1293 					 "Data: x%x x%x x%x x%lx\n",
1294 					 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1295 					 (uint32_t)CTrsp->ReasonCode,
1296 					 (uint32_t)CTrsp->Explanation,
1297 					 vport->fc_flag);
1298 
1299 			lpfc_debugfs_disc_trc(
1300 				vport, LPFC_DISC_TRC_CT,
1301 				"GID_PT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1302 				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1303 				(uint32_t)CTrsp->ReasonCode,
1304 				(uint32_t)CTrsp->Explanation);
1305 		}
1306 		if (vport->gidft_inp)
1307 			vport->gidft_inp--;
1308 	}
1309 
1310 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1311 			 "6450 GID_PT cmpl inp %d disc %d\n",
1312 			 vport->gidft_inp, vport->num_disc_nodes);
1313 
1314 	/* Link up / RSCN discovery */
1315 	if ((vport->num_disc_nodes == 0) &&
1316 	    (vport->gidft_inp == 0)) {
1317 		/*
1318 		 * The driver has cycled through all Nports in the RSCN payload.
1319 		 * Complete the handling by cleaning up and marking the
1320 		 * current driver state.
1321 		 */
1322 		if (vport->port_state >= LPFC_DISC_AUTH) {
1323 			if (test_bit(FC_RSCN_MODE, &vport->fc_flag)) {
1324 				lpfc_els_flush_rscn(vport);
1325 				/* RSCN still */
1326 				set_bit(FC_RSCN_MODE, &vport->fc_flag);
1327 			} else {
1328 				lpfc_els_flush_rscn(vport);
1329 			}
1330 		}
1331 
1332 		lpfc_disc_start(vport);
1333 	}
1334 out:
1335 	lpfc_ct_free_iocb(phba, cmdiocb);
1336 	lpfc_nlp_put(ndlp);
1337 }
1338 
1339 static void
1340 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1341 			struct lpfc_iocbq *rspiocb)
1342 {
1343 	struct lpfc_vport *vport = cmdiocb->vport;
1344 	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1345 	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1346 	struct lpfc_sli_ct_request *CTrsp;
1347 	int did, rc, retry;
1348 	uint8_t fbits;
1349 	struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL;
1350 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1351 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
1352 
1353 	did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1354 	did = be32_to_cpu(did);
1355 
1356 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1357 		"GFF_ID cmpl:     status:x%x/x%x did:x%x",
1358 		ulp_status, ulp_word4, did);
1359 
1360 	/* Ignore response if link flipped after this request was made */
1361 	if (cmdiocb->event_tag != phba->fc_eventTag) {
1362 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1363 				 "9045 Event tag mismatch. Ignoring NS rsp\n");
1364 		goto iocb_free;
1365 	}
1366 
1367 	if (ulp_status == IOSTAT_SUCCESS) {
1368 		/* Good status, continue checking */
1369 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1370 		fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1371 
1372 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1373 				 "6431 Process GFF_ID rsp for %08x "
1374 				 "fbits %02x %s %s\n",
1375 				 did, fbits,
1376 				 (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1377 				 (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1378 
1379 		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1380 		    SLI_CT_RESPONSE_FS_ACC) {
1381 			if ((fbits & FC4_FEATURE_INIT) &&
1382 			    !(fbits & FC4_FEATURE_TARGET)) {
1383 				lpfc_printf_vlog(vport, KERN_INFO,
1384 						 LOG_DISCOVERY,
1385 						 "0270 Skip x%x GFF "
1386 						 "NameServer Rsp Data: (init) "
1387 						 "x%x x%x\n", did, fbits,
1388 						 vport->fc_rscn_id_cnt);
1389 				goto out;
1390 			}
1391 		}
1392 	}
1393 	else {
1394 		/* Check for retry */
1395 		if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1396 			retry = 1;
1397 			if (ulp_status == IOSTAT_LOCAL_REJECT) {
1398 				switch ((ulp_word4 &
1399 					IOERR_PARAM_MASK)) {
1400 
1401 				case IOERR_NO_RESOURCES:
1402 					/* We don't increment the retry
1403 					 * count for this case.
1404 					 */
1405 					break;
1406 				case IOERR_LINK_DOWN:
1407 				case IOERR_SLI_ABORTED:
1408 				case IOERR_SLI_DOWN:
1409 					retry = 0;
1410 					break;
1411 				default:
1412 					cmdiocb->retry++;
1413 				}
1414 			}
1415 			else
1416 				cmdiocb->retry++;
1417 
1418 			if (retry) {
1419 				/* CT command is being retried */
1420 				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1421 					 cmdiocb->retry, did);
1422 				if (rc == 0) {
1423 					/* success */
1424 					free_ndlp = cmdiocb->ndlp;
1425 					lpfc_ct_free_iocb(phba, cmdiocb);
1426 					lpfc_nlp_put(free_ndlp);
1427 					return;
1428 				}
1429 			}
1430 		}
1431 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1432 				 "0267 NameServer GFF Rsp "
1433 				 "x%x Error (%d %d) Data: x%lx x%x\n",
1434 				 did, ulp_status, ulp_word4,
1435 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1436 	}
1437 
1438 	/* This is a target port, unregistered port, or the GFF_ID failed */
1439 	ndlp = lpfc_setup_disc_node(vport, did);
1440 	if (ndlp) {
1441 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1442 				 "0242 Process x%x GFF "
1443 				 "NameServer Rsp Data: x%x x%lx x%x\n",
1444 				 did, ndlp->nlp_flag, vport->fc_flag,
1445 				 vport->fc_rscn_id_cnt);
1446 	} else {
1447 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1448 				 "0243 Skip x%x GFF "
1449 				 "NameServer Rsp Data: x%lx x%x\n", did,
1450 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1451 	}
1452 out:
1453 	/* Link up / RSCN discovery */
1454 	if (vport->num_disc_nodes)
1455 		vport->num_disc_nodes--;
1456 
1457 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1458 			 "6451 GFF_ID cmpl inp %d disc %d\n",
1459 			 vport->gidft_inp, vport->num_disc_nodes);
1460 
1461 	if (vport->num_disc_nodes == 0) {
1462 		/*
1463 		 * The driver has cycled through all Nports in the RSCN payload.
1464 		 * Complete the handling by cleaning up and marking the
1465 		 * current driver state.
1466 		 */
1467 		if (vport->port_state >= LPFC_DISC_AUTH) {
1468 			if (test_bit(FC_RSCN_MODE, &vport->fc_flag)) {
1469 				lpfc_els_flush_rscn(vport);
1470 				/* RSCN still */
1471 				set_bit(FC_RSCN_MODE, &vport->fc_flag);
1472 			} else {
1473 				lpfc_els_flush_rscn(vport);
1474 			}
1475 		}
1476 		lpfc_disc_start(vport);
1477 	}
1478 
1479 iocb_free:
1480 	free_ndlp = cmdiocb->ndlp;
1481 	lpfc_ct_free_iocb(phba, cmdiocb);
1482 	lpfc_nlp_put(free_ndlp);
1483 	return;
1484 }
1485 
1486 static void
1487 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1488 			struct lpfc_iocbq *rspiocb)
1489 {
1490 	struct lpfc_vport *vport = cmdiocb->vport;
1491 	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1492 	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1493 	struct lpfc_sli_ct_request *CTrsp;
1494 	int did;
1495 	struct lpfc_nodelist *ndlp = NULL;
1496 	struct lpfc_nodelist *ns_ndlp = cmdiocb->ndlp;
1497 	uint32_t fc4_data_0, fc4_data_1;
1498 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1499 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
1500 
1501 	did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1502 	did = be32_to_cpu(did);
1503 
1504 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1505 			      "GFT_ID cmpl: status:x%x/x%x did:x%x",
1506 			      ulp_status, ulp_word4, did);
1507 
1508 	/* Ignore response if link flipped after this request was made */
1509 	if ((uint32_t)cmdiocb->event_tag != phba->fc_eventTag) {
1510 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1511 				 "9046 Event tag mismatch. Ignoring NS rsp\n");
1512 		goto out;
1513 	}
1514 
1515 	if (ulp_status == IOSTAT_SUCCESS) {
1516 		/* Good status, continue checking */
1517 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1518 		fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1519 		fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1520 
1521 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1522 				 "6432 Process GFT_ID rsp for %08x "
1523 				 "Data %08x %08x %s %s\n",
1524 				 did, fc4_data_0, fc4_data_1,
1525 				 (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1526 				  "FCP" : " ",
1527 				 (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1528 				  "NVME" : " ");
1529 
1530 		/* Lookup the NPort_ID queried in the GFT_ID and find the
1531 		 * driver's local node.  It's an error if the driver
1532 		 * doesn't have one.
1533 		 */
1534 		ndlp = lpfc_findnode_did(vport, did);
1535 		if (ndlp) {
1536 			/* The bitmask value for FCP and NVME FCP types is
1537 			 * the same because they are 32 bits distant from
1538 			 * each other in word0 and word0.
1539 			 */
1540 			if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1541 				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1542 			if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1543 				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1544 			lpfc_printf_vlog(vport, KERN_INFO,
1545 					 LOG_DISCOVERY | LOG_NODE,
1546 					 "3064 Setting ndlp x%px, DID x%06x "
1547 					 "with FC4 x%08x, Data: x%08x x%08x "
1548 					 "%d\n",
1549 					 ndlp, did, ndlp->nlp_fc4_type,
1550 					 FC_TYPE_FCP, FC_TYPE_NVME,
1551 					 ndlp->nlp_state);
1552 
1553 			if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
1554 			    ndlp->nlp_fc4_type) {
1555 				ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1556 				lpfc_nlp_set_state(vport, ndlp,
1557 						   NLP_STE_PRLI_ISSUE);
1558 				lpfc_issue_els_prli(vport, ndlp, 0);
1559 			} else if (!ndlp->nlp_fc4_type) {
1560 				/* If fc4 type is still unknown, then LOGO */
1561 				lpfc_printf_vlog(vport, KERN_INFO,
1562 						 LOG_DISCOVERY | LOG_NODE,
1563 						 "6443 Sending LOGO ndlp x%px, "
1564 						 "DID x%06x with fc4_type: "
1565 						 "x%08x, state: %d\n",
1566 						 ndlp, did, ndlp->nlp_fc4_type,
1567 						 ndlp->nlp_state);
1568 				lpfc_issue_els_logo(vport, ndlp, 0);
1569 				ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1570 				lpfc_nlp_set_state(vport, ndlp,
1571 						   NLP_STE_NPR_NODE);
1572 			}
1573 		}
1574 	} else
1575 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1576 				 "3065 GFT_ID failed x%08x\n", ulp_status);
1577 
1578 out:
1579 	lpfc_ct_free_iocb(phba, cmdiocb);
1580 	lpfc_nlp_put(ns_ndlp);
1581 }
1582 
1583 static void
1584 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1585 	     struct lpfc_iocbq *rspiocb)
1586 {
1587 	struct lpfc_vport *vport = cmdiocb->vport;
1588 	struct lpfc_dmabuf *inp;
1589 	struct lpfc_dmabuf *outp;
1590 	struct lpfc_sli_ct_request *CTrsp;
1591 	struct lpfc_nodelist *ndlp;
1592 	int cmdcode, rc;
1593 	uint8_t retry;
1594 	uint32_t latt;
1595 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1596 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
1597 
1598 	/* First save ndlp, before we overwrite it */
1599 	ndlp = cmdiocb->ndlp;
1600 
1601 	/* we pass cmdiocb to state machine which needs rspiocb as well */
1602 	cmdiocb->rsp_iocb = rspiocb;
1603 
1604 	inp = cmdiocb->cmd_dmabuf;
1605 	outp = cmdiocb->rsp_dmabuf;
1606 
1607 	cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1608 					CommandResponse.bits.CmdRsp);
1609 	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1610 
1611 	latt = lpfc_els_chk_latt(vport);
1612 
1613 	/* RFT request completes status <ulp_status> CmdRsp <CmdRsp> */
1614 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1615 			 "0209 CT Request completes, latt %d, "
1616 			 "ulp_status x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1617 			 latt, ulp_status,
1618 			 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1619 			 get_job_ulpcontext(phba, cmdiocb), cmdiocb->iotag);
1620 
1621 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1622 		"CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1623 		ulp_status, ulp_word4, cmdcode);
1624 
1625 	if (ulp_status) {
1626 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1627 				 "0268 NS cmd x%x Error (x%x x%x)\n",
1628 				 cmdcode, ulp_status, ulp_word4);
1629 
1630 		if (ulp_status == IOSTAT_LOCAL_REJECT &&
1631 		    (((ulp_word4 & IOERR_PARAM_MASK) ==
1632 		      IOERR_SLI_DOWN) ||
1633 		     ((ulp_word4 & IOERR_PARAM_MASK) ==
1634 		      IOERR_SLI_ABORTED)))
1635 			goto out;
1636 
1637 		retry = cmdiocb->retry;
1638 		if (retry >= LPFC_MAX_NS_RETRY)
1639 			goto out;
1640 
1641 		retry++;
1642 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1643 				 "0250 Retrying NS cmd %x\n", cmdcode);
1644 		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1645 		if (rc == 0)
1646 			goto out;
1647 	}
1648 
1649 out:
1650 	lpfc_ct_free_iocb(phba, cmdiocb);
1651 	lpfc_nlp_put(ndlp);
1652 	return;
1653 }
1654 
1655 static void
1656 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1657 			struct lpfc_iocbq *rspiocb)
1658 {
1659 	struct lpfc_vport *vport = cmdiocb->vport;
1660 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1661 
1662 	if (ulp_status == IOSTAT_SUCCESS) {
1663 		struct lpfc_dmabuf *outp;
1664 		struct lpfc_sli_ct_request *CTrsp;
1665 
1666 		outp = cmdiocb->rsp_dmabuf;
1667 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1668 		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1669 		    SLI_CT_RESPONSE_FS_ACC)
1670 			vport->ct_flags |= FC_CT_RFT_ID;
1671 	}
1672 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1673 	return;
1674 }
1675 
1676 static void
1677 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1678 			struct lpfc_iocbq *rspiocb)
1679 {
1680 	struct lpfc_vport *vport = cmdiocb->vport;
1681 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1682 
1683 	if (ulp_status == IOSTAT_SUCCESS) {
1684 		struct lpfc_dmabuf *outp;
1685 		struct lpfc_sli_ct_request *CTrsp;
1686 
1687 		outp = cmdiocb->rsp_dmabuf;
1688 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1689 		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1690 		    SLI_CT_RESPONSE_FS_ACC)
1691 			vport->ct_flags |= FC_CT_RNN_ID;
1692 	}
1693 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1694 	return;
1695 }
1696 
1697 static void
1698 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1699 			 struct lpfc_iocbq *rspiocb)
1700 {
1701 	struct lpfc_vport *vport = cmdiocb->vport;
1702 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1703 
1704 	if (ulp_status == IOSTAT_SUCCESS) {
1705 		struct lpfc_dmabuf *outp;
1706 		struct lpfc_sli_ct_request *CTrsp;
1707 
1708 		outp = cmdiocb->rsp_dmabuf;
1709 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1710 		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1711 		    SLI_CT_RESPONSE_FS_ACC)
1712 			vport->ct_flags |= FC_CT_RSPN_ID;
1713 	}
1714 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1715 	return;
1716 }
1717 
1718 static void
1719 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1720 			 struct lpfc_iocbq *rspiocb)
1721 {
1722 	struct lpfc_vport *vport = cmdiocb->vport;
1723 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1724 
1725 	if (ulp_status == IOSTAT_SUCCESS) {
1726 		struct lpfc_dmabuf *outp;
1727 		struct lpfc_sli_ct_request *CTrsp;
1728 
1729 		outp = cmdiocb->rsp_dmabuf;
1730 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1731 		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1732 		    SLI_CT_RESPONSE_FS_ACC)
1733 			vport->ct_flags |= FC_CT_RSNN_NN;
1734 	}
1735 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1736 	return;
1737 }
1738 
1739 static void
1740 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1741  struct lpfc_iocbq *rspiocb)
1742 {
1743 	struct lpfc_vport *vport = cmdiocb->vport;
1744 
1745 	/* even if it fails we will act as though it succeeded. */
1746 	vport->ct_flags = 0;
1747 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1748 	return;
1749 }
1750 
1751 static void
1752 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1753 			struct lpfc_iocbq *rspiocb)
1754 {
1755 	struct lpfc_vport *vport = cmdiocb->vport;
1756 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1757 
1758 	if (ulp_status == IOSTAT_SUCCESS) {
1759 		struct lpfc_dmabuf *outp;
1760 		struct lpfc_sli_ct_request *CTrsp;
1761 
1762 		outp = cmdiocb->rsp_dmabuf;
1763 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1764 		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1765 		    SLI_CT_RESPONSE_FS_ACC)
1766 			vport->ct_flags |= FC_CT_RFF_ID;
1767 	}
1768 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1769 	return;
1770 }
1771 
1772 /*
1773  * Although the symbolic port name is thought to be an integer
1774  * as of January 18, 2016, leave it as a string until more of
1775  * the record state becomes defined.
1776  */
1777 int
1778 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1779 	size_t size)
1780 {
1781 	int n;
1782 
1783 	/*
1784 	 * Use the lpfc board number as the Symbolic Port
1785 	 * Name object.  NPIV is not in play so this integer
1786 	 * value is sufficient and unique per FC-ID.
1787 	 */
1788 	n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
1789 	return n;
1790 }
1791 
1792 
1793 int
1794 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1795 	size_t size)
1796 {
1797 	char fwrev[FW_REV_STR_SIZE] = {0};
1798 	char tmp[MAXHOSTNAMELEN] = {0};
1799 
1800 	memset(symbol, 0, size);
1801 
1802 	scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
1803 	if (strlcat(symbol, tmp, size) >= size)
1804 		goto buffer_done;
1805 
1806 	lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1807 	scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
1808 	if (strlcat(symbol, tmp, size) >= size)
1809 		goto buffer_done;
1810 
1811 	scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
1812 	if (strlcat(symbol, tmp, size) >= size)
1813 		goto buffer_done;
1814 
1815 	scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
1816 	if (strlcat(symbol, tmp, size) >= size)
1817 		goto buffer_done;
1818 
1819 	/* Note :- OS name is "Linux" */
1820 	scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
1821 	strlcat(symbol, tmp, size);
1822 
1823 buffer_done:
1824 	return strnlen(symbol, size);
1825 
1826 }
1827 
1828 static uint32_t
1829 lpfc_find_map_node(struct lpfc_vport *vport)
1830 {
1831 	struct lpfc_nodelist *ndlp, *next_ndlp;
1832 	unsigned long iflags;
1833 	uint32_t cnt = 0;
1834 
1835 	spin_lock_irqsave(&vport->fc_nodes_list_lock, iflags);
1836 	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1837 		if (ndlp->nlp_type & NLP_FABRIC)
1838 			continue;
1839 		if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1840 		    (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1841 			cnt++;
1842 	}
1843 	spin_unlock_irqrestore(&vport->fc_nodes_list_lock, iflags);
1844 	return cnt;
1845 }
1846 
1847 /*
1848  * This routine will return the FC4 Type associated with the CT
1849  * GID_FT command.
1850  */
1851 int
1852 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1853 {
1854 	struct lpfc_sli_ct_request *CtReq;
1855 	struct lpfc_dmabuf *mp;
1856 	uint32_t type;
1857 
1858 	mp = cmdiocb->cmd_dmabuf;
1859 	if (mp == NULL)
1860 		return 0;
1861 	CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1862 	type = (uint32_t)CtReq->un.gid.Fc4Type;
1863 	if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1864 		return 0;
1865 	return type;
1866 }
1867 
1868 /*
1869  * lpfc_ns_cmd
1870  * Description:
1871  *    Issue Cmd to NameServer
1872  *       SLI_CTNS_GID_FT
1873  *       LI_CTNS_RFT_ID
1874  */
1875 int
1876 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1877 	    uint8_t retry, uint32_t context)
1878 {
1879 	struct lpfc_nodelist * ndlp;
1880 	struct lpfc_hba *phba = vport->phba;
1881 	struct lpfc_dmabuf *mp, *bmp;
1882 	struct lpfc_sli_ct_request *CtReq;
1883 	struct ulp_bde64 *bpl;
1884 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1885 		      struct lpfc_iocbq *) = NULL;
1886 	uint32_t *ptr;
1887 	uint32_t rsp_size = 1024;
1888 	size_t   size;
1889 	int rc = 0;
1890 
1891 	ndlp = lpfc_findnode_did(vport, NameServer_DID);
1892 	if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1893 		rc=1;
1894 		goto ns_cmd_exit;
1895 	}
1896 
1897 	/* fill in BDEs for command */
1898 	/* Allocate buffer for command payload */
1899 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1900 	if (!mp) {
1901 		rc=2;
1902 		goto ns_cmd_exit;
1903 	}
1904 
1905 	INIT_LIST_HEAD(&mp->list);
1906 	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1907 	if (!mp->virt) {
1908 		rc=3;
1909 		goto ns_cmd_free_mp;
1910 	}
1911 
1912 	/* Allocate buffer for Buffer ptr list */
1913 	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1914 	if (!bmp) {
1915 		rc=4;
1916 		goto ns_cmd_free_mpvirt;
1917 	}
1918 
1919 	INIT_LIST_HEAD(&bmp->list);
1920 	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1921 	if (!bmp->virt) {
1922 		rc=5;
1923 		goto ns_cmd_free_bmp;
1924 	}
1925 
1926 	/* NameServer Req */
1927 	lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1928 			 "0236 NameServer Req Data: x%x x%lx x%x x%x\n",
1929 			 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1930 			 context);
1931 
1932 	bpl = (struct ulp_bde64 *) bmp->virt;
1933 	memset(bpl, 0, sizeof(struct ulp_bde64));
1934 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1935 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1936 	bpl->tus.f.bdeFlags = 0;
1937 	if (cmdcode == SLI_CTNS_GID_FT)
1938 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1939 	else if (cmdcode == SLI_CTNS_GID_PT)
1940 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1941 	else if (cmdcode == SLI_CTNS_GFF_ID)
1942 		bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1943 	else if (cmdcode == SLI_CTNS_GFT_ID)
1944 		bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1945 	else if (cmdcode == SLI_CTNS_RFT_ID)
1946 		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1947 	else if (cmdcode == SLI_CTNS_RNN_ID)
1948 		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1949 	else if (cmdcode == SLI_CTNS_RSPN_ID)
1950 		bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1951 	else if (cmdcode == SLI_CTNS_RSNN_NN)
1952 		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1953 	else if (cmdcode == SLI_CTNS_DA_ID)
1954 		bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1955 	else if (cmdcode == SLI_CTNS_RFF_ID)
1956 		bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1957 	else
1958 		bpl->tus.f.bdeSize = 0;
1959 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1960 
1961 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1962 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1963 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1964 	CtReq->RevisionId.bits.InId = 0;
1965 	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1966 	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1967 	CtReq->CommandResponse.bits.Size = 0;
1968 	switch (cmdcode) {
1969 	case SLI_CTNS_GID_FT:
1970 		CtReq->CommandResponse.bits.CmdRsp =
1971 		    cpu_to_be16(SLI_CTNS_GID_FT);
1972 		CtReq->un.gid.Fc4Type = context;
1973 
1974 		if (vport->port_state < LPFC_NS_QRY)
1975 			vport->port_state = LPFC_NS_QRY;
1976 		lpfc_set_disctmo(vport);
1977 		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1978 		rsp_size = FC_MAX_NS_RSP;
1979 		break;
1980 
1981 	case SLI_CTNS_GID_PT:
1982 		CtReq->CommandResponse.bits.CmdRsp =
1983 		    cpu_to_be16(SLI_CTNS_GID_PT);
1984 		CtReq->un.gid.PortType = context;
1985 
1986 		if (vport->port_state < LPFC_NS_QRY)
1987 			vport->port_state = LPFC_NS_QRY;
1988 		lpfc_set_disctmo(vport);
1989 		cmpl = lpfc_cmpl_ct_cmd_gid_pt;
1990 		rsp_size = FC_MAX_NS_RSP;
1991 		break;
1992 
1993 	case SLI_CTNS_GFF_ID:
1994 		CtReq->CommandResponse.bits.CmdRsp =
1995 			cpu_to_be16(SLI_CTNS_GFF_ID);
1996 		CtReq->un.gff.PortId = cpu_to_be32(context);
1997 		cmpl = lpfc_cmpl_ct_cmd_gff_id;
1998 		break;
1999 
2000 	case SLI_CTNS_GFT_ID:
2001 		CtReq->CommandResponse.bits.CmdRsp =
2002 			cpu_to_be16(SLI_CTNS_GFT_ID);
2003 		CtReq->un.gft.PortId = cpu_to_be32(context);
2004 		cmpl = lpfc_cmpl_ct_cmd_gft_id;
2005 		break;
2006 
2007 	case SLI_CTNS_RFT_ID:
2008 		vport->ct_flags &= ~FC_CT_RFT_ID;
2009 		CtReq->CommandResponse.bits.CmdRsp =
2010 		    cpu_to_be16(SLI_CTNS_RFT_ID);
2011 		CtReq->un.rft.port_id = cpu_to_be32(vport->fc_myDID);
2012 
2013 		/* Register Application Services type if vmid enabled. */
2014 		if (phba->cfg_vmid_app_header)
2015 			CtReq->un.rft.app_serv_reg =
2016 				cpu_to_be32(RFT_APP_SERV_REG);
2017 
2018 		/* Register FC4 FCP type if enabled.  */
2019 		if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2020 		    vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
2021 			CtReq->un.rft.fcp_reg = cpu_to_be32(RFT_FCP_REG);
2022 
2023 		/* Register NVME type if enabled. */
2024 		if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2025 		    vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
2026 			CtReq->un.rft.nvme_reg = cpu_to_be32(RFT_NVME_REG);
2027 
2028 		ptr = (uint32_t *)CtReq;
2029 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2030 				 "6433 Issue RFT (%s %s %s): %08x %08x %08x "
2031 				 "%08x %08x %08x %08x %08x\n",
2032 				 CtReq->un.rft.fcp_reg ? "FCP" : " ",
2033 				 CtReq->un.rft.nvme_reg ? "NVME" : " ",
2034 				 CtReq->un.rft.app_serv_reg ? "APPS" : " ",
2035 				 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2036 				 *(ptr + 4), *(ptr + 5),
2037 				 *(ptr + 6), *(ptr + 7));
2038 		cmpl = lpfc_cmpl_ct_cmd_rft_id;
2039 		break;
2040 
2041 	case SLI_CTNS_RNN_ID:
2042 		vport->ct_flags &= ~FC_CT_RNN_ID;
2043 		CtReq->CommandResponse.bits.CmdRsp =
2044 		    cpu_to_be16(SLI_CTNS_RNN_ID);
2045 		CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
2046 		memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
2047 		       sizeof(struct lpfc_name));
2048 		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
2049 		break;
2050 
2051 	case SLI_CTNS_RSPN_ID:
2052 		vport->ct_flags &= ~FC_CT_RSPN_ID;
2053 		CtReq->CommandResponse.bits.CmdRsp =
2054 		    cpu_to_be16(SLI_CTNS_RSPN_ID);
2055 		CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
2056 		size = sizeof(CtReq->un.rspn.symbname);
2057 		CtReq->un.rspn.len =
2058 			lpfc_vport_symbolic_port_name(vport,
2059 			CtReq->un.rspn.symbname, size);
2060 		cmpl = lpfc_cmpl_ct_cmd_rspn_id;
2061 		break;
2062 	case SLI_CTNS_RSNN_NN:
2063 		vport->ct_flags &= ~FC_CT_RSNN_NN;
2064 		CtReq->CommandResponse.bits.CmdRsp =
2065 		    cpu_to_be16(SLI_CTNS_RSNN_NN);
2066 		memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
2067 		       sizeof(struct lpfc_name));
2068 		size = sizeof(CtReq->un.rsnn.symbname);
2069 		CtReq->un.rsnn.len =
2070 			lpfc_vport_symbolic_node_name(vport,
2071 			CtReq->un.rsnn.symbname, size);
2072 		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
2073 		break;
2074 	case SLI_CTNS_DA_ID:
2075 		/* Implement DA_ID Nameserver request */
2076 		CtReq->CommandResponse.bits.CmdRsp =
2077 			cpu_to_be16(SLI_CTNS_DA_ID);
2078 		CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
2079 		cmpl = lpfc_cmpl_ct_cmd_da_id;
2080 		break;
2081 	case SLI_CTNS_RFF_ID:
2082 		vport->ct_flags &= ~FC_CT_RFF_ID;
2083 		CtReq->CommandResponse.bits.CmdRsp =
2084 		    cpu_to_be16(SLI_CTNS_RFF_ID);
2085 		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
2086 		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
2087 
2088 		/* The driver always supports FC_TYPE_FCP.  However, the
2089 		 * caller can specify NVME (type x28) as well.  But only
2090 		 * these that FC4 type is supported.
2091 		 */
2092 		if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2093 		     (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
2094 		    (context == FC_TYPE_NVME)) {
2095 			if ((vport == phba->pport) && phba->nvmet_support) {
2096 				CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
2097 					FC4_FEATURE_NVME_DISC);
2098 				lpfc_nvmet_update_targetport(phba);
2099 			} else {
2100 				lpfc_nvme_update_localport(vport);
2101 			}
2102 			CtReq->un.rff.type_code = context;
2103 
2104 		} else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2105 			    (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
2106 			   (context == FC_TYPE_FCP))
2107 			CtReq->un.rff.type_code = context;
2108 
2109 		else
2110 			goto ns_cmd_free_bmpvirt;
2111 
2112 		ptr = (uint32_t *)CtReq;
2113 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2114 				 "6434 Issue RFF (%s): %08x %08x %08x %08x "
2115 				 "%08x %08x %08x %08x\n",
2116 				 (context == FC_TYPE_NVME) ? "NVME" : "FCP",
2117 				 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2118 				 *(ptr + 4), *(ptr + 5),
2119 				 *(ptr + 6), *(ptr + 7));
2120 		cmpl = lpfc_cmpl_ct_cmd_rff_id;
2121 		break;
2122 	}
2123 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2124 	 * to hold ndlp reference for the corresponding callback function.
2125 	 */
2126 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
2127 		/* On success, The cmpl function will free the buffers */
2128 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2129 			"Issue CT cmd:    cmd:x%x did:x%x",
2130 			cmdcode, ndlp->nlp_DID, 0);
2131 		return 0;
2132 	}
2133 	rc=6;
2134 
2135 ns_cmd_free_bmpvirt:
2136 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2137 ns_cmd_free_bmp:
2138 	kfree(bmp);
2139 ns_cmd_free_mpvirt:
2140 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
2141 ns_cmd_free_mp:
2142 	kfree(mp);
2143 ns_cmd_exit:
2144 	lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
2145 			 "0266 Issue NameServer Req x%x err %d Data: x%lx "
2146 			 "x%x\n",
2147 			 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
2148 	return 1;
2149 }
2150 
2151 /**
2152  * lpfc_fdmi_rprt_defer - Check for any deferred FDMI RPRT commands
2153  * @phba: Pointer to HBA context object.
2154  * @mask: Initial port attributes mask
2155  *
2156  * This function checks to see if any vports have deferred their FDMI RPRT.
2157  * A vports RPRT may be deferred if it is issued before the primary ports
2158  * RHBA completes.
2159  */
2160 static void
2161 lpfc_fdmi_rprt_defer(struct lpfc_hba *phba, uint32_t mask)
2162 {
2163 	struct lpfc_vport **vports;
2164 	struct lpfc_vport *vport;
2165 	struct lpfc_nodelist *ndlp;
2166 	int i;
2167 
2168 	set_bit(HBA_RHBA_CMPL, &phba->hba_flag);
2169 	vports = lpfc_create_vport_work_array(phba);
2170 	if (vports) {
2171 		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2172 			vport = vports[i];
2173 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2174 			if (!ndlp)
2175 				continue;
2176 			if (vport->ct_flags & FC_CT_RPRT_DEFER) {
2177 				vport->ct_flags &= ~FC_CT_RPRT_DEFER;
2178 				vport->fdmi_port_mask = mask;
2179 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2180 			}
2181 		}
2182 	}
2183 	lpfc_destroy_vport_work_array(phba, vports);
2184 }
2185 
2186 /**
2187  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
2188  * @phba: Pointer to HBA context object.
2189  * @cmdiocb: Pointer to the command IOCBQ.
2190  * @rspiocb: Pointer to the response IOCBQ.
2191  *
2192  * This function to handle the completion of a driver initiated FDMI
2193  * CT command issued during discovery.
2194  */
2195 static void
2196 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
2197 		       struct lpfc_iocbq *rspiocb)
2198 {
2199 	struct lpfc_vport *vport = cmdiocb->vport;
2200 	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
2201 	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
2202 	struct lpfc_sli_ct_request *CTcmd = inp->virt;
2203 	struct lpfc_sli_ct_request *CTrsp = outp->virt;
2204 	__be16 fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
2205 	__be16 fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
2206 	struct lpfc_nodelist *ndlp, *free_ndlp = NULL;
2207 	uint32_t latt, cmd, err;
2208 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
2209 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
2210 
2211 	latt = lpfc_els_chk_latt(vport);
2212 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2213 		"FDMI cmpl:       status:x%x/x%x latt:%d",
2214 		ulp_status, ulp_word4, latt);
2215 
2216 	if (latt || ulp_status) {
2217 
2218 		/* Look for a retryable error */
2219 		if (ulp_status == IOSTAT_LOCAL_REJECT) {
2220 			switch ((ulp_word4 & IOERR_PARAM_MASK)) {
2221 			case IOERR_SLI_ABORTED:
2222 			case IOERR_SLI_DOWN:
2223 				/* Driver aborted this IO.  No retry as error
2224 				 * is likely Offline->Online or some adapter
2225 				 * error.  Recovery will try again.
2226 				 */
2227 				break;
2228 			case IOERR_ABORT_IN_PROGRESS:
2229 			case IOERR_SEQUENCE_TIMEOUT:
2230 			case IOERR_ILLEGAL_FRAME:
2231 			case IOERR_NO_RESOURCES:
2232 			case IOERR_ILLEGAL_COMMAND:
2233 				cmdiocb->retry++;
2234 				if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
2235 					break;
2236 
2237 				/* Retry the same FDMI command */
2238 				err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
2239 							  cmdiocb, 0);
2240 				if (err == IOCB_ERROR)
2241 					break;
2242 				return;
2243 			default:
2244 				break;
2245 			}
2246 		}
2247 
2248 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2249 				 "0229 FDMI cmd %04x failed, latt = %d "
2250 				 "ulp_status: x%x, rid x%x\n",
2251 				 be16_to_cpu(fdmi_cmd), latt, ulp_status,
2252 				 ulp_word4);
2253 	}
2254 
2255 	free_ndlp = cmdiocb->ndlp;
2256 	lpfc_ct_free_iocb(phba, cmdiocb);
2257 	lpfc_nlp_put(free_ndlp);
2258 
2259 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
2260 	if (!ndlp)
2261 		return;
2262 
2263 	/* Check for a CT LS_RJT response */
2264 	cmd =  be16_to_cpu(fdmi_cmd);
2265 	if (be16_to_cpu(fdmi_rsp) == SLI_CT_RESPONSE_FS_RJT) {
2266 		/* FDMI rsp failed */
2267 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY | LOG_ELS,
2268 				 "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
2269 
2270 		/* Should we fallback to FDMI-2 / FDMI-1 ? */
2271 		switch (cmd) {
2272 		case SLI_MGMT_RHBA:
2273 			if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
2274 				/* Fallback to FDMI-1 for HBA attributes */
2275 				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2276 
2277 				/* If HBA attributes are FDMI1, so should
2278 				 * port attributes be for consistency.
2279 				 */
2280 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2281 				/* Start over */
2282 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2283 			}
2284 			return;
2285 
2286 		case SLI_MGMT_RPRT:
2287 			if (vport->port_type != LPFC_PHYSICAL_PORT) {
2288 				ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2289 				if (!ndlp)
2290 					return;
2291 			}
2292 			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2293 				/* Fallback to FDMI-1 */
2294 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2295 				/* Start over */
2296 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2297 				return;
2298 			}
2299 			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2300 				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2301 				/* Retry the same command */
2302 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2303 			}
2304 			return;
2305 
2306 		case SLI_MGMT_RPA:
2307 			/* No retry on Vendor, RPA only done on physical port */
2308 			if (phba->link_flag & LS_CT_VEN_RPA) {
2309 				phba->link_flag &= ~LS_CT_VEN_RPA;
2310 				if (phba->cmf_active_mode == LPFC_CFG_OFF)
2311 					return;
2312 				lpfc_printf_log(phba, KERN_WARNING,
2313 						LOG_DISCOVERY | LOG_ELS,
2314 						"6460 VEN FDMI RPA RJT\n");
2315 				return;
2316 			}
2317 			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2318 				/* Fallback to FDMI-1 */
2319 				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2320 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2321 				/* Start over */
2322 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2323 				return;
2324 			}
2325 			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2326 				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2327 				/* Retry the same command */
2328 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2329 			}
2330 			return;
2331 		}
2332 	}
2333 
2334 	/*
2335 	 * On success, need to cycle thru FDMI registration for discovery
2336 	 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2337 	 * DPRT -> RPRT (vports)
2338 	 */
2339 	switch (cmd) {
2340 	case SLI_MGMT_RHBA:
2341 		/* Check for any RPRTs deferred till after RHBA completes */
2342 		lpfc_fdmi_rprt_defer(phba, vport->fdmi_port_mask);
2343 
2344 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
2345 		break;
2346 
2347 	case SLI_MGMT_DHBA:
2348 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2349 		break;
2350 
2351 	case SLI_MGMT_DPRT:
2352 		if (vport->port_type == LPFC_PHYSICAL_PORT) {
2353 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
2354 		} else {
2355 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2356 			if (!ndlp)
2357 				return;
2358 
2359 			/* Only issue a RPRT for the vport if the RHBA
2360 			 * for the physical port completes successfully.
2361 			 * We may have to defer the RPRT accordingly.
2362 			 */
2363 			if (test_bit(HBA_RHBA_CMPL, &phba->hba_flag)) {
2364 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2365 			} else {
2366 				lpfc_printf_vlog(vport, KERN_INFO,
2367 						 LOG_DISCOVERY,
2368 						 "6078 RPRT deferred\n");
2369 				vport->ct_flags |= FC_CT_RPRT_DEFER;
2370 			}
2371 		}
2372 		break;
2373 	case SLI_MGMT_RPA:
2374 		if (vport->port_type == LPFC_PHYSICAL_PORT &&
2375 		    phba->sli4_hba.pc_sli4_params.mi_ver) {
2376 			/* mi is only for the phyical port, no vports */
2377 			if (phba->link_flag & LS_CT_VEN_RPA) {
2378 				lpfc_printf_vlog(vport, KERN_INFO,
2379 						 LOG_DISCOVERY | LOG_ELS |
2380 						 LOG_CGN_MGMT,
2381 						 "6449 VEN RPA FDMI Success\n");
2382 				phba->link_flag &= ~LS_CT_VEN_RPA;
2383 				break;
2384 			}
2385 
2386 			lpfc_printf_log(phba, KERN_INFO,
2387 					LOG_DISCOVERY | LOG_CGN_MGMT,
2388 					"6210 Issue Vendor MI FDMI %x\n",
2389 					phba->sli4_hba.pc_sli4_params.mi_ver);
2390 
2391 			/* CGN is only for the physical port, no vports */
2392 			if (lpfc_fdmi_cmd(vport, ndlp, cmd,
2393 					  LPFC_FDMI_VENDOR_ATTR_mi) == 0)
2394 				phba->link_flag |= LS_CT_VEN_RPA;
2395 			lpfc_printf_log(phba, KERN_INFO,
2396 					LOG_DISCOVERY | LOG_ELS,
2397 					"6458 Send MI FDMI:%x Flag x%x\n",
2398 					phba->sli4_hba.pc_sli4_params.mi_ver,
2399 					phba->link_flag);
2400 		} else {
2401 			lpfc_printf_log(phba, KERN_INFO,
2402 					LOG_DISCOVERY | LOG_ELS,
2403 					"6459 No FDMI VEN MI support - "
2404 					"RPA Success\n");
2405 		}
2406 		break;
2407 	}
2408 	return;
2409 }
2410 
2411 
2412 /**
2413  * lpfc_fdmi_change_check - Check for changed FDMI parameters
2414  * @vport: pointer to a host virtual N_Port data structure.
2415  *
2416  * Check how many mapped NPorts we are connected to
2417  * Check if our hostname changed
2418  * Called from hbeat timeout routine to check if any FDMI parameters
2419  * changed. If so, re-register those Attributes.
2420  */
2421 void
2422 lpfc_fdmi_change_check(struct lpfc_vport *vport)
2423 {
2424 	struct lpfc_hba *phba = vport->phba;
2425 	struct lpfc_nodelist *ndlp;
2426 	uint16_t cnt;
2427 
2428 	if (!lpfc_is_link_up(phba))
2429 		return;
2430 
2431 	/* Must be connected to a Fabric */
2432 	if (!test_bit(FC_FABRIC, &vport->fc_flag))
2433 		return;
2434 
2435 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
2436 	if (!ndlp)
2437 		return;
2438 
2439 	/* Check if system hostname changed */
2440 	if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
2441 		memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
2442 		scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
2443 			  init_utsname()->nodename);
2444 		lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
2445 
2446 		/* Since this effects multiple HBA and PORT attributes, we need
2447 		 * de-register and go thru the whole FDMI registration cycle.
2448 		 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2449 		 * DPRT -> RPRT (vports)
2450 		 */
2451 		if (vport->port_type == LPFC_PHYSICAL_PORT) {
2452 			/* For extra Vendor RPA */
2453 			phba->link_flag &= ~LS_CT_VEN_RPA;
2454 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2455 		} else {
2456 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2457 			if (!ndlp)
2458 				return;
2459 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2460 		}
2461 
2462 		/* Since this code path registers all the port attributes
2463 		 * we can just return without further checking.
2464 		 */
2465 		return;
2466 	}
2467 
2468 	if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
2469 		return;
2470 
2471 	/* Check if the number of mapped NPorts changed */
2472 	cnt = lpfc_find_map_node(vport);
2473 	if (cnt == vport->fdmi_num_disc)
2474 		return;
2475 
2476 	if (vport->port_type == LPFC_PHYSICAL_PORT) {
2477 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
2478 			      LPFC_FDMI_PORT_ATTR_num_disc);
2479 	} else {
2480 		ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2481 		if (!ndlp)
2482 			return;
2483 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
2484 			      LPFC_FDMI_PORT_ATTR_num_disc);
2485 	}
2486 }
2487 
2488 static inline int
2489 lpfc_fdmi_set_attr_u32(void *attr, uint16_t attrtype, uint32_t attrval)
2490 {
2491 	struct lpfc_fdmi_attr_u32 *ae = attr;
2492 	int size = sizeof(*ae);
2493 
2494 	ae->type = cpu_to_be16(attrtype);
2495 	ae->len = cpu_to_be16(size);
2496 	ae->value_u32 = cpu_to_be32(attrval);
2497 
2498 	return size;
2499 }
2500 
2501 static inline int
2502 lpfc_fdmi_set_attr_wwn(void *attr, uint16_t attrtype, struct lpfc_name *wwn)
2503 {
2504 	struct lpfc_fdmi_attr_wwn *ae = attr;
2505 	int size = sizeof(*ae);
2506 
2507 	ae->type = cpu_to_be16(attrtype);
2508 	ae->len = cpu_to_be16(size);
2509 	/* WWN's assumed to be bytestreams - Big Endian presentation */
2510 	memcpy(ae->name, wwn,
2511 	       min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2512 
2513 	return size;
2514 }
2515 
2516 static inline int
2517 lpfc_fdmi_set_attr_fullwwn(void *attr, uint16_t attrtype,
2518 			   struct lpfc_name *wwnn, struct lpfc_name *wwpn)
2519 {
2520 	struct lpfc_fdmi_attr_fullwwn *ae = attr;
2521 	u8 *nname = ae->nname;
2522 	u8 *pname = ae->pname;
2523 	int size = sizeof(*ae);
2524 
2525 	ae->type = cpu_to_be16(attrtype);
2526 	ae->len = cpu_to_be16(size);
2527 	/* WWN's assumed to be bytestreams - Big Endian presentation */
2528 	memcpy(nname, wwnn,
2529 	       min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2530 	memcpy(pname, wwpn,
2531 	       min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2532 
2533 	return size;
2534 }
2535 
2536 static inline int
2537 lpfc_fdmi_set_attr_string(void *attr, uint16_t attrtype, char *attrstring)
2538 {
2539 	struct lpfc_fdmi_attr_string *ae = attr;
2540 	int len, size;
2541 
2542 	/*
2543 	 * We are trusting the caller that if a fdmi string field
2544 	 * is capped at 64 bytes, the caller passes in a string of
2545 	 * 64 bytes or less.
2546 	 */
2547 
2548 	strscpy(ae->value_string, attrstring, sizeof(ae->value_string));
2549 	len = strnlen(ae->value_string, sizeof(ae->value_string));
2550 	/* round string length to a 32bit boundary */
2551 	len += (len & 3) ? (4 - (len & 3)) : 4;
2552 	/* size is Type/Len (4 bytes) plus string length */
2553 	size = FOURBYTES + len;
2554 
2555 	ae->type = cpu_to_be16(attrtype);
2556 	ae->len = cpu_to_be16(size);
2557 
2558 	return size;
2559 }
2560 
2561 /* Bitfields for FC4 Types that can be reported */
2562 #define ATTR_FC4_CT	0x00000001
2563 #define ATTR_FC4_FCP	0x00000002
2564 #define ATTR_FC4_NVME	0x00000004
2565 
2566 static inline int
2567 lpfc_fdmi_set_attr_fc4types(void *attr, uint16_t attrtype, uint32_t typemask)
2568 {
2569 	struct lpfc_fdmi_attr_fc4types *ae = attr;
2570 	int size = sizeof(*ae);
2571 
2572 	ae->type = cpu_to_be16(attrtype);
2573 	ae->len = cpu_to_be16(size);
2574 
2575 	if (typemask & ATTR_FC4_FCP)
2576 		ae->value_types[2] = 0x01; /* Type 0x8 - FCP */
2577 
2578 	if (typemask & ATTR_FC4_CT)
2579 		ae->value_types[7] = 0x01; /* Type 0x20 - CT */
2580 
2581 	if (typemask & ATTR_FC4_NVME)
2582 		ae->value_types[6] = 0x01; /* Type 0x28 - NVME */
2583 
2584 	return size;
2585 }
2586 
2587 /* Routines for all individual HBA attributes */
2588 static int
2589 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, void *attr)
2590 {
2591 	return lpfc_fdmi_set_attr_wwn(attr, RHBA_NODENAME,
2592 			&vport->fc_sparam.nodeName);
2593 }
2594 
2595 static int
2596 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport, void *attr)
2597 {
2598 	/* This string MUST be consistent with other FC platforms
2599 	 * supported by Broadcom.
2600 	 */
2601 	return lpfc_fdmi_set_attr_string(attr, RHBA_MANUFACTURER,
2602 			"Emulex Corporation");
2603 }
2604 
2605 static int
2606 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, void *attr)
2607 {
2608 	struct lpfc_hba *phba = vport->phba;
2609 
2610 	return lpfc_fdmi_set_attr_string(attr, RHBA_SERIAL_NUMBER,
2611 			phba->SerialNumber);
2612 }
2613 
2614 static int
2615 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport, void *attr)
2616 {
2617 	struct lpfc_hba *phba = vport->phba;
2618 
2619 	return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL,
2620 			phba->ModelName);
2621 }
2622 
2623 static int
2624 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport, void *attr)
2625 {
2626 	struct lpfc_hba *phba = vport->phba;
2627 
2628 	return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL_DESCRIPTION,
2629 			phba->ModelDesc);
2630 }
2631 
2632 static int
2633 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport, void *attr)
2634 {
2635 	struct lpfc_hba *phba = vport->phba;
2636 	lpfc_vpd_t *vp = &phba->vpd;
2637 	char buf[16] = { 0 };
2638 
2639 	snprintf(buf, sizeof(buf), "%08x", vp->rev.biuRev);
2640 
2641 	return lpfc_fdmi_set_attr_string(attr, RHBA_HARDWARE_VERSION, buf);
2642 }
2643 
2644 static int
2645 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport, void *attr)
2646 {
2647 	return lpfc_fdmi_set_attr_string(attr, RHBA_DRIVER_VERSION,
2648 			lpfc_release_version);
2649 }
2650 
2651 static int
2652 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport, void *attr)
2653 {
2654 	struct lpfc_hba *phba = vport->phba;
2655 	char buf[64] = { 0 };
2656 
2657 	if (phba->sli_rev == LPFC_SLI_REV4) {
2658 		lpfc_decode_firmware_rev(phba, buf, 1);
2659 
2660 		return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION,
2661 				buf);
2662 	}
2663 
2664 	return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION,
2665 			phba->OptionROMVersion);
2666 }
2667 
2668 static int
2669 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport, void *attr)
2670 {
2671 	struct lpfc_hba *phba = vport->phba;
2672 	char buf[64] = { 0 };
2673 
2674 	lpfc_decode_firmware_rev(phba, buf, 1);
2675 
2676 	return lpfc_fdmi_set_attr_string(attr, RHBA_FIRMWARE_VERSION, buf);
2677 }
2678 
2679 static int
2680 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport, void *attr)
2681 {
2682 	char buf[256] = { 0 };
2683 
2684 	snprintf(buf, sizeof(buf), "%s %s %s",
2685 		 init_utsname()->sysname,
2686 		 init_utsname()->release,
2687 		 init_utsname()->version);
2688 
2689 	return lpfc_fdmi_set_attr_string(attr, RHBA_OS_NAME_VERSION, buf);
2690 }
2691 
2692 static int
2693 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport, void *attr)
2694 {
2695 	return lpfc_fdmi_set_attr_u32(attr, RHBA_MAX_CT_PAYLOAD_LEN,
2696 			LPFC_MAX_CT_SIZE);
2697 }
2698 
2699 static int
2700 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport, void *attr)
2701 {
2702 	char buf[256] = { 0 };
2703 
2704 	lpfc_vport_symbolic_node_name(vport, buf, sizeof(buf));
2705 
2706 	return lpfc_fdmi_set_attr_string(attr, RHBA_SYM_NODENAME, buf);
2707 }
2708 
2709 static int
2710 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport, void *attr)
2711 {
2712 	return lpfc_fdmi_set_attr_u32(attr, RHBA_VENDOR_INFO, 0);
2713 }
2714 
2715 static int
2716 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport, void *attr)
2717 {
2718 	/* Each driver instance corresponds to a single port */
2719 	return lpfc_fdmi_set_attr_u32(attr, RHBA_NUM_PORTS, 1);
2720 }
2721 
2722 static int
2723 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport, void *attr)
2724 {
2725 	return lpfc_fdmi_set_attr_wwn(attr, RHBA_FABRIC_WWNN,
2726 			&vport->fabric_nodename);
2727 }
2728 
2729 static int
2730 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport, void *attr)
2731 {
2732 	struct lpfc_hba *phba = vport->phba;
2733 
2734 	return lpfc_fdmi_set_attr_string(attr, RHBA_BIOS_VERSION,
2735 			phba->BIOSVersion);
2736 }
2737 
2738 static int
2739 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport, void *attr)
2740 {
2741 	/* Driver doesn't have access to this information */
2742 	return lpfc_fdmi_set_attr_u32(attr, RHBA_BIOS_STATE, 0);
2743 }
2744 
2745 static int
2746 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport, void *attr)
2747 {
2748 	return lpfc_fdmi_set_attr_string(attr, RHBA_VENDOR_ID, "EMULEX");
2749 }
2750 
2751 /*
2752  * Routines for all individual PORT attributes
2753  */
2754 
2755 static int
2756 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport, void *attr)
2757 {
2758 	struct lpfc_hba   *phba = vport->phba;
2759 	u32 fc4types;
2760 
2761 	fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP);
2762 
2763 	/* Check to see if Firmware supports NVME and on physical port */
2764 	if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
2765 	    phba->sli4_hba.pc_sli4_params.nvme)
2766 		fc4types |= ATTR_FC4_NVME;
2767 
2768 	return lpfc_fdmi_set_attr_fc4types(attr, RPRT_SUPPORTED_FC4_TYPES,
2769 			fc4types);
2770 }
2771 
2772 static int
2773 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport, void *attr)
2774 {
2775 	struct lpfc_hba *phba = vport->phba;
2776 	u32 speeds = 0;
2777 	u32 tcfg;
2778 	u8 i, cnt;
2779 
2780 	if (!test_bit(HBA_FCOE_MODE, &phba->hba_flag)) {
2781 		cnt = 0;
2782 		if (phba->sli_rev == LPFC_SLI_REV4) {
2783 			tcfg = phba->sli4_hba.conf_trunk;
2784 			for (i = 0; i < 4; i++, tcfg >>= 1)
2785 				if (tcfg & 1)
2786 					cnt++;
2787 		}
2788 
2789 		if (cnt > 2) { /* 4 lane trunk group */
2790 			if (phba->lmt & LMT_64Gb)
2791 				speeds |= HBA_PORTSPEED_256GFC;
2792 			if (phba->lmt & LMT_32Gb)
2793 				speeds |= HBA_PORTSPEED_128GFC;
2794 			if (phba->lmt & LMT_16Gb)
2795 				speeds |= HBA_PORTSPEED_64GFC;
2796 		} else if (cnt) { /* 2 lane trunk group */
2797 			if (phba->lmt & LMT_128Gb)
2798 				speeds |= HBA_PORTSPEED_256GFC;
2799 			if (phba->lmt & LMT_64Gb)
2800 				speeds |= HBA_PORTSPEED_128GFC;
2801 			if (phba->lmt & LMT_32Gb)
2802 				speeds |= HBA_PORTSPEED_64GFC;
2803 			if (phba->lmt & LMT_16Gb)
2804 				speeds |= HBA_PORTSPEED_32GFC;
2805 		} else {
2806 			if (phba->lmt & LMT_256Gb)
2807 				speeds |= HBA_PORTSPEED_256GFC;
2808 			if (phba->lmt & LMT_128Gb)
2809 				speeds |= HBA_PORTSPEED_128GFC;
2810 			if (phba->lmt & LMT_64Gb)
2811 				speeds |= HBA_PORTSPEED_64GFC;
2812 			if (phba->lmt & LMT_32Gb)
2813 				speeds |= HBA_PORTSPEED_32GFC;
2814 			if (phba->lmt & LMT_16Gb)
2815 				speeds |= HBA_PORTSPEED_16GFC;
2816 			if (phba->lmt & LMT_10Gb)
2817 				speeds |= HBA_PORTSPEED_10GFC;
2818 			if (phba->lmt & LMT_8Gb)
2819 				speeds |= HBA_PORTSPEED_8GFC;
2820 			if (phba->lmt & LMT_4Gb)
2821 				speeds |= HBA_PORTSPEED_4GFC;
2822 			if (phba->lmt & LMT_2Gb)
2823 				speeds |= HBA_PORTSPEED_2GFC;
2824 			if (phba->lmt & LMT_1Gb)
2825 				speeds |= HBA_PORTSPEED_1GFC;
2826 		}
2827 	} else {
2828 		/* FCoE links support only one speed */
2829 		switch (phba->fc_linkspeed) {
2830 		case LPFC_ASYNC_LINK_SPEED_10GBPS:
2831 			speeds = HBA_PORTSPEED_10GE;
2832 			break;
2833 		case LPFC_ASYNC_LINK_SPEED_25GBPS:
2834 			speeds = HBA_PORTSPEED_25GE;
2835 			break;
2836 		case LPFC_ASYNC_LINK_SPEED_40GBPS:
2837 			speeds = HBA_PORTSPEED_40GE;
2838 			break;
2839 		case LPFC_ASYNC_LINK_SPEED_100GBPS:
2840 			speeds = HBA_PORTSPEED_100GE;
2841 			break;
2842 		}
2843 	}
2844 
2845 	return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_SPEED, speeds);
2846 }
2847 
2848 static int
2849 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport, void *attr)
2850 {
2851 	struct lpfc_hba   *phba = vport->phba;
2852 	u32 speeds = 0;
2853 
2854 	if (!test_bit(HBA_FCOE_MODE, &phba->hba_flag)) {
2855 		switch (phba->fc_linkspeed) {
2856 		case LPFC_LINK_SPEED_1GHZ:
2857 			speeds = HBA_PORTSPEED_1GFC;
2858 			break;
2859 		case LPFC_LINK_SPEED_2GHZ:
2860 			speeds = HBA_PORTSPEED_2GFC;
2861 			break;
2862 		case LPFC_LINK_SPEED_4GHZ:
2863 			speeds = HBA_PORTSPEED_4GFC;
2864 			break;
2865 		case LPFC_LINK_SPEED_8GHZ:
2866 			speeds = HBA_PORTSPEED_8GFC;
2867 			break;
2868 		case LPFC_LINK_SPEED_10GHZ:
2869 			speeds = HBA_PORTSPEED_10GFC;
2870 			break;
2871 		case LPFC_LINK_SPEED_16GHZ:
2872 			speeds = HBA_PORTSPEED_16GFC;
2873 			break;
2874 		case LPFC_LINK_SPEED_32GHZ:
2875 			speeds = HBA_PORTSPEED_32GFC;
2876 			break;
2877 		case LPFC_LINK_SPEED_64GHZ:
2878 			speeds = HBA_PORTSPEED_64GFC;
2879 			break;
2880 		case LPFC_LINK_SPEED_128GHZ:
2881 			speeds = HBA_PORTSPEED_128GFC;
2882 			break;
2883 		case LPFC_LINK_SPEED_256GHZ:
2884 			speeds = HBA_PORTSPEED_256GFC;
2885 			break;
2886 		default:
2887 			speeds = HBA_PORTSPEED_UNKNOWN;
2888 			break;
2889 		}
2890 	} else {
2891 		switch (phba->fc_linkspeed) {
2892 		case LPFC_ASYNC_LINK_SPEED_10GBPS:
2893 			speeds = HBA_PORTSPEED_10GE;
2894 			break;
2895 		case LPFC_ASYNC_LINK_SPEED_25GBPS:
2896 			speeds = HBA_PORTSPEED_25GE;
2897 			break;
2898 		case LPFC_ASYNC_LINK_SPEED_40GBPS:
2899 			speeds = HBA_PORTSPEED_40GE;
2900 			break;
2901 		case LPFC_ASYNC_LINK_SPEED_100GBPS:
2902 			speeds = HBA_PORTSPEED_100GE;
2903 			break;
2904 		default:
2905 			speeds = HBA_PORTSPEED_UNKNOWN;
2906 			break;
2907 		}
2908 	}
2909 
2910 	return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_SPEED, speeds);
2911 }
2912 
2913 static int
2914 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport, void *attr)
2915 {
2916 	struct serv_parm *hsp = (struct serv_parm *)&vport->fc_sparam;
2917 
2918 	return lpfc_fdmi_set_attr_u32(attr, RPRT_MAX_FRAME_SIZE,
2919 			(((uint32_t)hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
2920 			  (uint32_t)hsp->cmn.bbRcvSizeLsb);
2921 }
2922 
2923 static int
2924 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport, void *attr)
2925 {
2926 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2927 	char buf[64] = { 0 };
2928 
2929 	snprintf(buf, sizeof(buf), "/sys/class/scsi_host/host%d",
2930 		 shost->host_no);
2931 
2932 	return lpfc_fdmi_set_attr_string(attr, RPRT_OS_DEVICE_NAME, buf);
2933 }
2934 
2935 static int
2936 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport, void *attr)
2937 {
2938 	char buf[64] = { 0 };
2939 
2940 	scnprintf(buf, sizeof(buf), "%s", vport->phba->os_host_name);
2941 
2942 	return lpfc_fdmi_set_attr_string(attr, RPRT_HOST_NAME, buf);
2943 }
2944 
2945 static int
2946 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport, void *attr)
2947 {
2948 	return lpfc_fdmi_set_attr_wwn(attr, RPRT_NODENAME,
2949 			&vport->fc_sparam.nodeName);
2950 }
2951 
2952 static int
2953 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport, void *attr)
2954 {
2955 	return lpfc_fdmi_set_attr_wwn(attr, RPRT_PORTNAME,
2956 			&vport->fc_sparam.portName);
2957 }
2958 
2959 static int
2960 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport, void *attr)
2961 {
2962 	char buf[256] = { 0 };
2963 
2964 	lpfc_vport_symbolic_port_name(vport, buf, sizeof(buf));
2965 
2966 	return lpfc_fdmi_set_attr_string(attr, RPRT_SYM_PORTNAME, buf);
2967 }
2968 
2969 static int
2970 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport, void *attr)
2971 {
2972 	struct lpfc_hba *phba = vport->phba;
2973 
2974 	return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_TYPE,
2975 			(phba->fc_topology == LPFC_TOPOLOGY_LOOP) ?
2976 				LPFC_FDMI_PORTTYPE_NLPORT :
2977 				LPFC_FDMI_PORTTYPE_NPORT);
2978 }
2979 
2980 static int
2981 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport, void *attr)
2982 {
2983 	return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_CLASS,
2984 			FC_COS_CLASS2 | FC_COS_CLASS3);
2985 }
2986 
2987 static int
2988 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport, void *attr)
2989 {
2990 	return lpfc_fdmi_set_attr_wwn(attr, RPRT_FABRICNAME,
2991 			&vport->fabric_portname);
2992 }
2993 
2994 static int
2995 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport, void *attr)
2996 {
2997 	struct lpfc_hba *phba = vport->phba;
2998 	u32 fc4types;
2999 
3000 	fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP);
3001 
3002 	/* Check to see if NVME is configured or not */
3003 	if (vport == phba->pport &&
3004 	    phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
3005 		fc4types |= ATTR_FC4_NVME;
3006 
3007 	return lpfc_fdmi_set_attr_fc4types(attr, RPRT_ACTIVE_FC4_TYPES,
3008 			fc4types);
3009 }
3010 
3011 static int
3012 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport, void *attr)
3013 {
3014 	return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_STATE,
3015 			LPFC_FDMI_PORTSTATE_ONLINE);
3016 }
3017 
3018 static int
3019 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport, void *attr)
3020 {
3021 	vport->fdmi_num_disc = lpfc_find_map_node(vport);
3022 
3023 	return lpfc_fdmi_set_attr_u32(attr, RPRT_DISC_PORT,
3024 			vport->fdmi_num_disc);
3025 }
3026 
3027 static int
3028 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport, void *attr)
3029 {
3030 	return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_ID, vport->fc_myDID);
3031 }
3032 
3033 static int
3034 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport, void *attr)
3035 {
3036 	return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_SERVICE,
3037 			"Smart SAN Initiator");
3038 }
3039 
3040 static int
3041 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport, void *attr)
3042 {
3043 	return lpfc_fdmi_set_attr_fullwwn(attr, RPRT_SMART_GUID,
3044 			&vport->fc_sparam.nodeName,
3045 			&vport->fc_sparam.portName);
3046 }
3047 
3048 static int
3049 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport, void *attr)
3050 {
3051 	return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_VERSION,
3052 			"Smart SAN Version 2.0");
3053 }
3054 
3055 static int
3056 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport, void *attr)
3057 {
3058 	struct lpfc_hba *phba = vport->phba;
3059 
3060 	return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_MODEL,
3061 			phba->ModelName);
3062 }
3063 
3064 static int
3065 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport, void *attr)
3066 {
3067 	/* SRIOV (type 3) is not supported */
3068 
3069 	return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_PORT_INFO,
3070 			(vport->vpi) ?  2 /* NPIV */ : 1 /* Physical */);
3071 }
3072 
3073 static int
3074 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport, void *attr)
3075 {
3076 	return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_QOS, 0);
3077 }
3078 
3079 static int
3080 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport, void *attr)
3081 {
3082 	return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_SECURITY, 1);
3083 }
3084 
3085 static int
3086 lpfc_fdmi_vendor_attr_mi(struct lpfc_vport *vport, void *attr)
3087 {
3088 	struct lpfc_hba *phba = vport->phba;
3089 	char buf[32] = { 0 };
3090 
3091 	sprintf(buf, "ELXE2EM:%04d", phba->sli4_hba.pc_sli4_params.mi_ver);
3092 
3093 	return lpfc_fdmi_set_attr_string(attr, RPRT_VENDOR_MI, buf);
3094 }
3095 
3096 /* RHBA attribute jump table */
3097 static int (*lpfc_fdmi_hba_action[])
3098 	(struct lpfc_vport *vport, void *attrbuf) = {
3099 	/* Action routine                 Mask bit     Attribute type */
3100 	lpfc_fdmi_hba_attr_wwnn,	  /* bit0     RHBA_NODENAME           */
3101 	lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
3102 	lpfc_fdmi_hba_attr_sn,		  /* bit2     RHBA_SERIAL_NUMBER      */
3103 	lpfc_fdmi_hba_attr_model,	  /* bit3     RHBA_MODEL              */
3104 	lpfc_fdmi_hba_attr_description,	  /* bit4     RHBA_MODEL_DESCRIPTION  */
3105 	lpfc_fdmi_hba_attr_hdw_ver,	  /* bit5     RHBA_HARDWARE_VERSION   */
3106 	lpfc_fdmi_hba_attr_drvr_ver,	  /* bit6     RHBA_DRIVER_VERSION     */
3107 	lpfc_fdmi_hba_attr_rom_ver,	  /* bit7     RHBA_OPTION_ROM_VERSION */
3108 	lpfc_fdmi_hba_attr_fmw_ver,	  /* bit8     RHBA_FIRMWARE_VERSION   */
3109 	lpfc_fdmi_hba_attr_os_ver,	  /* bit9     RHBA_OS_NAME_VERSION    */
3110 	lpfc_fdmi_hba_attr_ct_len,	  /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
3111 	lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
3112 	lpfc_fdmi_hba_attr_vendor_info,	  /* bit12    RHBA_VENDOR_INFO        */
3113 	lpfc_fdmi_hba_attr_num_ports,	  /* bit13    RHBA_NUM_PORTS          */
3114 	lpfc_fdmi_hba_attr_fabric_wwnn,	  /* bit14    RHBA_FABRIC_WWNN        */
3115 	lpfc_fdmi_hba_attr_bios_ver,	  /* bit15    RHBA_BIOS_VERSION       */
3116 	lpfc_fdmi_hba_attr_bios_state,	  /* bit16    RHBA_BIOS_STATE         */
3117 	lpfc_fdmi_hba_attr_vendor_id,	  /* bit17    RHBA_VENDOR_ID          */
3118 };
3119 
3120 /* RPA / RPRT attribute jump table */
3121 static int (*lpfc_fdmi_port_action[])
3122 	(struct lpfc_vport *vport, void *attrbuf) = {
3123 	/* Action routine                   Mask bit   Attribute type */
3124 	lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
3125 	lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
3126 	lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
3127 	lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
3128 	lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
3129 	lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
3130 	lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
3131 	lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
3132 	lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
3133 	lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
3134 	lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
3135 	lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
3136 	lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
3137 	lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
3138 	lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
3139 	lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
3140 	lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
3141 	lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
3142 	lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
3143 	lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
3144 	lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
3145 	lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
3146 	lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
3147 	lpfc_fdmi_vendor_attr_mi,           /* bit23  RPRT_VENDOR_MI          */
3148 };
3149 
3150 /**
3151  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
3152  * @vport: pointer to a host virtual N_Port data structure.
3153  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3154  * @cmdcode: FDMI command to send
3155  * @new_mask: Mask of HBA or PORT Attributes to send
3156  *
3157  * Builds and sends a FDMI command using the CT subsystem.
3158  */
3159 int
3160 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3161 	      int cmdcode, uint32_t new_mask)
3162 {
3163 	struct lpfc_hba *phba = vport->phba;
3164 	struct lpfc_dmabuf *rq, *rsp;
3165 	struct lpfc_sli_ct_request *CtReq;
3166 	struct ulp_bde64_le *bde;
3167 	uint32_t bit_pos;
3168 	uint32_t size, addsz;
3169 	uint32_t rsp_size;
3170 	uint32_t mask;
3171 	struct lpfc_fdmi_reg_hba *rh;
3172 	struct lpfc_fdmi_port_entry *pe;
3173 	struct lpfc_fdmi_reg_portattr *pab = NULL, *base = NULL;
3174 	struct lpfc_fdmi_attr_block *ab = NULL;
3175 	int  (*func)(struct lpfc_vport *vport, void *attrbuf);
3176 	void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3177 		     struct lpfc_iocbq *rspiocb);
3178 
3179 	if (!ndlp)
3180 		return 0;
3181 
3182 	cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
3183 
3184 	/* fill in BDEs for command */
3185 	/* Allocate buffer for command payload */
3186 	rq = kmalloc(sizeof(*rq), GFP_KERNEL);
3187 	if (!rq)
3188 		goto fdmi_cmd_exit;
3189 
3190 	rq->virt = lpfc_mbuf_alloc(phba, 0, &rq->phys);
3191 	if (!rq->virt)
3192 		goto fdmi_cmd_free_rq;
3193 
3194 	/* Allocate buffer for Buffer ptr list */
3195 	rsp = kmalloc(sizeof(*rsp), GFP_KERNEL);
3196 	if (!rsp)
3197 		goto fdmi_cmd_free_rqvirt;
3198 
3199 	rsp->virt = lpfc_mbuf_alloc(phba, 0, &rsp->phys);
3200 	if (!rsp->virt)
3201 		goto fdmi_cmd_free_rsp;
3202 
3203 	INIT_LIST_HEAD(&rq->list);
3204 	INIT_LIST_HEAD(&rsp->list);
3205 
3206 	/* mbuf buffers are 1K in length - aka LPFC_BPL_SIZE */
3207 	memset(rq->virt, 0, LPFC_BPL_SIZE);
3208 	rsp_size = LPFC_BPL_SIZE;
3209 
3210 	/* FDMI request */
3211 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3212 			 "0218 FDMI Request x%x mask x%x Data: x%x x%lx x%x\n",
3213 			 cmdcode, new_mask, vport->fdmi_port_mask,
3214 			 vport->fc_flag, vport->port_state);
3215 
3216 	CtReq = (struct lpfc_sli_ct_request *)rq->virt;
3217 
3218 	/* First populate the CT_IU preamble */
3219 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
3220 	CtReq->RevisionId.bits.InId = 0;
3221 
3222 	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3223 	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
3224 
3225 	CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3226 
3227 	size = 0;
3228 
3229 	/* Next fill in the specific FDMI cmd information */
3230 	switch (cmdcode) {
3231 	case SLI_MGMT_RHAT:
3232 	case SLI_MGMT_RHBA:
3233 		rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un;
3234 		/* HBA Identifier */
3235 		memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3236 		       sizeof(struct lpfc_name));
3237 		size += sizeof(struct lpfc_fdmi_hba_ident);
3238 
3239 		if (cmdcode == SLI_MGMT_RHBA) {
3240 			/* Registered Port List */
3241 			/* One entry (port) per adapter */
3242 			rh->rpl.EntryCnt = cpu_to_be32(1);
3243 			memcpy(&rh->rpl.pe.PortName,
3244 			       &phba->pport->fc_sparam.portName,
3245 			       sizeof(struct lpfc_name));
3246 			size += sizeof(struct lpfc_fdmi_reg_port_list);
3247 		}
3248 
3249 		ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3250 		ab->EntryCnt = 0;
3251 		size += FOURBYTES;	/* add length of EntryCnt field */
3252 
3253 		bit_pos = 0;
3254 		if (new_mask)
3255 			mask = new_mask;
3256 		else
3257 			mask = vport->fdmi_hba_mask;
3258 
3259 		/* Mask will dictate what attributes to build in the request */
3260 		while (mask) {
3261 			if (mask & 0x1) {
3262 				func = lpfc_fdmi_hba_action[bit_pos];
3263 				addsz = func(vport, ((uint8_t *)rh + size));
3264 				if (addsz) {
3265 					ab->EntryCnt++;
3266 					size += addsz;
3267 				}
3268 				/* check if another attribute fits */
3269 				if ((size + FDMI_MAX_ATTRLEN) >
3270 				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3271 					goto hba_out;
3272 			}
3273 			mask = mask >> 1;
3274 			bit_pos++;
3275 		}
3276 hba_out:
3277 		ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3278 		/* Total size */
3279 		size += GID_REQUEST_SZ - 4;
3280 		break;
3281 
3282 	case SLI_MGMT_RPRT:
3283 		if (vport->port_type != LPFC_PHYSICAL_PORT) {
3284 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3285 			if (!ndlp)
3286 				return 0;
3287 		}
3288 		fallthrough;
3289 	case SLI_MGMT_RPA:
3290 		/* Store base ptr right after preamble */
3291 		base = (struct lpfc_fdmi_reg_portattr *)&CtReq->un;
3292 
3293 		if (cmdcode == SLI_MGMT_RPRT) {
3294 			rh = (struct lpfc_fdmi_reg_hba *)base;
3295 			/* HBA Identifier */
3296 			memcpy(&rh->hi.PortName,
3297 			       &phba->pport->fc_sparam.portName,
3298 			       sizeof(struct lpfc_name));
3299 			pab = (struct lpfc_fdmi_reg_portattr *)
3300 				((uint8_t *)base + sizeof(struct lpfc_name));
3301 			size += sizeof(struct lpfc_name);
3302 		} else {
3303 			pab = base;
3304 		}
3305 
3306 		memcpy((uint8_t *)&pab->PortName,
3307 		       (uint8_t *)&vport->fc_sparam.portName,
3308 		       sizeof(struct lpfc_name));
3309 		pab->ab.EntryCnt = 0;
3310 		/* add length of name and EntryCnt field */
3311 		size += sizeof(struct lpfc_name) + FOURBYTES;
3312 
3313 		bit_pos = 0;
3314 		if (new_mask)
3315 			mask = new_mask;
3316 		else
3317 			mask = vport->fdmi_port_mask;
3318 
3319 		/* Mask will dictate what attributes to build in the request */
3320 		while (mask) {
3321 			if (mask & 0x1) {
3322 				func = lpfc_fdmi_port_action[bit_pos];
3323 				addsz = func(vport, ((uint8_t *)base + size));
3324 				if (addsz) {
3325 					pab->ab.EntryCnt++;
3326 					size += addsz;
3327 				}
3328 				/* check if another attribute fits */
3329 				if ((size + FDMI_MAX_ATTRLEN) >
3330 				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3331 					goto port_out;
3332 			}
3333 			mask = mask >> 1;
3334 			bit_pos++;
3335 		}
3336 port_out:
3337 		pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3338 		size += GID_REQUEST_SZ - 4;
3339 		break;
3340 
3341 	case SLI_MGMT_GHAT:
3342 	case SLI_MGMT_GRPL:
3343 		rsp_size = FC_MAX_NS_RSP;
3344 		fallthrough;
3345 	case SLI_MGMT_DHBA:
3346 	case SLI_MGMT_DHAT:
3347 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un;
3348 		memcpy((uint8_t *)&pe->PortName,
3349 		       (uint8_t *)&vport->fc_sparam.portName,
3350 		       sizeof(struct lpfc_name));
3351 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3352 		break;
3353 
3354 	case SLI_MGMT_GPAT:
3355 	case SLI_MGMT_GPAS:
3356 		rsp_size = FC_MAX_NS_RSP;
3357 		fallthrough;
3358 	case SLI_MGMT_DPRT:
3359 		if (vport->port_type != LPFC_PHYSICAL_PORT) {
3360 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3361 			if (!ndlp)
3362 				return 0;
3363 		}
3364 		fallthrough;
3365 	case SLI_MGMT_DPA:
3366 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un;
3367 		memcpy((uint8_t *)&pe->PortName,
3368 		       (uint8_t *)&vport->fc_sparam.portName,
3369 		       sizeof(struct lpfc_name));
3370 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3371 		break;
3372 	case SLI_MGMT_GRHL:
3373 		size = GID_REQUEST_SZ - 4;
3374 		break;
3375 	default:
3376 		lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3377 				 "0298 FDMI cmdcode x%x not supported\n",
3378 				 cmdcode);
3379 		goto fdmi_cmd_free_rspvirt;
3380 	}
3381 	CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3382 
3383 	bde = (struct ulp_bde64_le *)rsp->virt;
3384 	bde->addr_high = cpu_to_le32(putPaddrHigh(rq->phys));
3385 	bde->addr_low = cpu_to_le32(putPaddrLow(rq->phys));
3386 	bde->type_size = cpu_to_le32(ULP_BDE64_TYPE_BDE_64 <<
3387 				     ULP_BDE64_TYPE_SHIFT);
3388 	bde->type_size |= cpu_to_le32(size);
3389 
3390 	/*
3391 	 * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3392 	 * to hold ndlp reference for the corresponding callback function.
3393 	 */
3394 	if (!lpfc_ct_cmd(vport, rq, rsp, ndlp, cmpl, rsp_size, 0))
3395 		return 0;
3396 
3397 fdmi_cmd_free_rspvirt:
3398 	lpfc_mbuf_free(phba, rsp->virt, rsp->phys);
3399 fdmi_cmd_free_rsp:
3400 	kfree(rsp);
3401 fdmi_cmd_free_rqvirt:
3402 	lpfc_mbuf_free(phba, rq->virt, rq->phys);
3403 fdmi_cmd_free_rq:
3404 	kfree(rq);
3405 fdmi_cmd_exit:
3406 	/* Issue FDMI request failed */
3407 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3408 			 "0244 Issue FDMI request failed Data: x%x\n",
3409 			 cmdcode);
3410 	return 1;
3411 }
3412 
3413 /**
3414  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3415  * @t: Context object of the timer.
3416  *
3417  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3418  * the worker thread.
3419  **/
3420 void
3421 lpfc_delayed_disc_tmo(struct timer_list *t)
3422 {
3423 	struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3424 	struct lpfc_hba   *phba = vport->phba;
3425 	uint32_t tmo_posted;
3426 	unsigned long iflag;
3427 
3428 	spin_lock_irqsave(&vport->work_port_lock, iflag);
3429 	tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3430 	if (!tmo_posted)
3431 		vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3432 	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3433 
3434 	if (!tmo_posted)
3435 		lpfc_worker_wake_up(phba);
3436 	return;
3437 }
3438 
3439 /**
3440  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3441  *      handle delayed discovery.
3442  * @vport: pointer to a host virtual N_Port data structure.
3443  *
3444  * This function start nport discovery of the vport.
3445  **/
3446 void
3447 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3448 {
3449 	if (!test_and_clear_bit(FC_DISC_DELAYED, &vport->fc_flag))
3450 		return;
3451 
3452 	lpfc_do_scr_ns_plogi(vport->phba, vport);
3453 }
3454 
3455 void
3456 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3457 {
3458 	struct lpfc_sli *psli = &phba->sli;
3459 	lpfc_vpd_t *vp = &phba->vpd;
3460 	uint32_t b1, b2, b3, b4, i, rev;
3461 	char c;
3462 	uint32_t *ptr, str[4];
3463 	uint8_t *fwname;
3464 
3465 	if (phba->sli_rev == LPFC_SLI_REV4)
3466 		snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3467 	else if (vp->rev.rBit) {
3468 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
3469 			rev = vp->rev.sli2FwRev;
3470 		else
3471 			rev = vp->rev.sli1FwRev;
3472 
3473 		b1 = (rev & 0x0000f000) >> 12;
3474 		b2 = (rev & 0x00000f00) >> 8;
3475 		b3 = (rev & 0x000000c0) >> 6;
3476 		b4 = (rev & 0x00000030) >> 4;
3477 
3478 		switch (b4) {
3479 		case 0:
3480 			c = 'N';
3481 			break;
3482 		case 1:
3483 			c = 'A';
3484 			break;
3485 		case 2:
3486 			c = 'B';
3487 			break;
3488 		case 3:
3489 			c = 'X';
3490 			break;
3491 		default:
3492 			c = 0;
3493 			break;
3494 		}
3495 		b4 = (rev & 0x0000000f);
3496 
3497 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
3498 			fwname = vp->rev.sli2FwName;
3499 		else
3500 			fwname = vp->rev.sli1FwName;
3501 
3502 		for (i = 0; i < 16; i++)
3503 			if (fwname[i] == 0x20)
3504 				fwname[i] = 0;
3505 
3506 		ptr = (uint32_t*)fwname;
3507 
3508 		for (i = 0; i < 3; i++)
3509 			str[i] = be32_to_cpu(*ptr++);
3510 
3511 		if (c == 0) {
3512 			if (flag)
3513 				sprintf(fwrevision, "%d.%d%d (%s)",
3514 					b1, b2, b3, (char *)str);
3515 			else
3516 				sprintf(fwrevision, "%d.%d%d", b1,
3517 					b2, b3);
3518 		} else {
3519 			if (flag)
3520 				sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3521 					b1, b2, b3, c,
3522 					b4, (char *)str);
3523 			else
3524 				sprintf(fwrevision, "%d.%d%d%c%d",
3525 					b1, b2, b3, c, b4);
3526 		}
3527 	} else {
3528 		rev = vp->rev.smFwRev;
3529 
3530 		b1 = (rev & 0xff000000) >> 24;
3531 		b2 = (rev & 0x00f00000) >> 20;
3532 		b3 = (rev & 0x000f0000) >> 16;
3533 		c  = (rev & 0x0000ff00) >> 8;
3534 		b4 = (rev & 0x000000ff);
3535 
3536 		sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3537 	}
3538 	return;
3539 }
3540 
3541 static void
3542 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3543 		      struct lpfc_iocbq *rspiocb)
3544 {
3545 	struct lpfc_vport *vport = cmdiocb->vport;
3546 	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
3547 	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
3548 	struct lpfc_sli_ct_request *ctcmd = inp->virt;
3549 	struct lpfc_sli_ct_request *ctrsp = outp->virt;
3550 	__be16 rsp = ctrsp->CommandResponse.bits.CmdRsp;
3551 	struct app_id_object *app;
3552 	struct lpfc_nodelist *ndlp = cmdiocb->ndlp;
3553 	u32 cmd, hash, bucket;
3554 	struct lpfc_vmid *vmp, *cur;
3555 	u8 *data = outp->virt;
3556 	int i;
3557 
3558 	cmd = be16_to_cpu(ctcmd->CommandResponse.bits.CmdRsp);
3559 	if (cmd == SLI_CTAS_DALLAPP_ID)
3560 		lpfc_ct_free_iocb(phba, cmdiocb);
3561 
3562 	if (lpfc_els_chk_latt(vport) || get_job_ulpstatus(phba, rspiocb)) {
3563 		if (cmd != SLI_CTAS_DALLAPP_ID)
3564 			goto free_res;
3565 	}
3566 	/* Check for a CT LS_RJT response */
3567 	if (be16_to_cpu(rsp) == SLI_CT_RESPONSE_FS_RJT) {
3568 		if (cmd != SLI_CTAS_DALLAPP_ID)
3569 			lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3570 					 "3306 VMID FS_RJT Data: x%x x%x x%x\n",
3571 					 cmd, ctrsp->ReasonCode,
3572 					 ctrsp->Explanation);
3573 		if ((cmd != SLI_CTAS_DALLAPP_ID) ||
3574 		    (ctrsp->ReasonCode != SLI_CT_UNABLE_TO_PERFORM_REQ) ||
3575 		    (ctrsp->Explanation != SLI_CT_APP_ID_NOT_AVAILABLE)) {
3576 			/* If DALLAPP_ID failed retry later */
3577 			if (cmd == SLI_CTAS_DALLAPP_ID)
3578 				set_bit(FC_DEREGISTER_ALL_APP_ID,
3579 					&vport->load_flag);
3580 			goto free_res;
3581 		}
3582 	}
3583 
3584 	switch (cmd) {
3585 	case SLI_CTAS_RAPP_IDENT:
3586 		app = (struct app_id_object *)(RAPP_IDENT_OFFSET + data);
3587 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3588 				 "6712 RAPP_IDENT app id %d  port id x%x id "
3589 				 "len %d\n", be32_to_cpu(app->app_id),
3590 				 be32_to_cpu(app->port_id),
3591 				 app->obj.entity_id_len);
3592 
3593 		if (app->obj.entity_id_len == 0 || app->port_id == 0)
3594 			goto free_res;
3595 
3596 		hash = lpfc_vmid_hash_fn(app->obj.entity_id,
3597 					 app->obj.entity_id_len);
3598 		vmp = lpfc_get_vmid_from_hashtable(vport, hash,
3599 						  app->obj.entity_id);
3600 		if (vmp) {
3601 			write_lock(&vport->vmid_lock);
3602 			vmp->un.app_id = be32_to_cpu(app->app_id);
3603 			vmp->flag |= LPFC_VMID_REGISTERED;
3604 			vmp->flag &= ~LPFC_VMID_REQ_REGISTER;
3605 			write_unlock(&vport->vmid_lock);
3606 			/* Set IN USE flag */
3607 			vport->vmid_flag |= LPFC_VMID_IN_USE;
3608 		} else {
3609 			lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3610 					 "6901 No entry found %s hash %d\n",
3611 					 app->obj.entity_id, hash);
3612 		}
3613 		break;
3614 	case SLI_CTAS_DAPP_IDENT:
3615 		app = (struct app_id_object *)(DAPP_IDENT_OFFSET + data);
3616 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3617 				 "6713 DAPP_IDENT app id %d  port id x%x\n",
3618 				 be32_to_cpu(app->app_id),
3619 				 be32_to_cpu(app->port_id));
3620 		break;
3621 	case SLI_CTAS_DALLAPP_ID:
3622 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3623 				 "8856 Deregistered all app ids\n");
3624 		read_lock(&vport->vmid_lock);
3625 		for (i = 0; i < phba->cfg_max_vmid; i++) {
3626 			vmp = &vport->vmid[i];
3627 			if (vmp->flag != LPFC_VMID_SLOT_FREE)
3628 				memset(vmp, 0, sizeof(struct lpfc_vmid));
3629 		}
3630 		read_unlock(&vport->vmid_lock);
3631 		/* for all elements in the hash table */
3632 		if (!hash_empty(vport->hash_table))
3633 			hash_for_each(vport->hash_table, bucket, cur, hnode)
3634 				hash_del(&cur->hnode);
3635 		set_bit(FC_ALLOW_VMID, &vport->load_flag);
3636 		break;
3637 	default:
3638 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3639 				 "8857 Invalid command code\n");
3640 	}
3641 free_res:
3642 	lpfc_ct_free_iocb(phba, cmdiocb);
3643 	lpfc_nlp_put(ndlp);
3644 }
3645 
3646 /**
3647  * lpfc_vmid_cmd - Build and send a FDMI cmd to the specified NPort
3648  * @vport: pointer to a host virtual N_Port data structure.
3649  * @cmdcode: application server command code to send
3650  * @vmid: pointer to vmid info structure
3651  *
3652  * Builds and sends a FDMI command using the CT subsystem.
3653  */
3654 int
3655 lpfc_vmid_cmd(struct lpfc_vport *vport,
3656 	      int cmdcode, struct lpfc_vmid *vmid)
3657 {
3658 	struct lpfc_hba *phba = vport->phba;
3659 	struct lpfc_dmabuf *mp, *bmp;
3660 	struct lpfc_sli_ct_request *ctreq;
3661 	struct ulp_bde64 *bpl;
3662 	u32 size;
3663 	u32 rsp_size;
3664 	u8 *data;
3665 	struct lpfc_vmid_rapp_ident_list *rap;
3666 	struct lpfc_vmid_dapp_ident_list *dap;
3667 	u8 retry = 0;
3668 	struct lpfc_nodelist *ndlp;
3669 
3670 	void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3671 		     struct lpfc_iocbq *rspiocb);
3672 
3673 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
3674 	if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
3675 		return 0;
3676 
3677 	cmpl = lpfc_cmpl_ct_cmd_vmid;
3678 
3679 	/* fill in BDEs for command */
3680 	/* Allocate buffer for command payload */
3681 	mp = kmalloc(sizeof(*mp), GFP_KERNEL);
3682 	if (!mp)
3683 		goto vmid_free_mp_exit;
3684 
3685 	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3686 	if (!mp->virt)
3687 		goto vmid_free_mp_virt_exit;
3688 
3689 	/* Allocate buffer for Buffer ptr list */
3690 	bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
3691 	if (!bmp)
3692 		goto vmid_free_bmp_exit;
3693 
3694 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
3695 	if (!bmp->virt)
3696 		goto vmid_free_bmp_virt_exit;
3697 
3698 	INIT_LIST_HEAD(&mp->list);
3699 	INIT_LIST_HEAD(&bmp->list);
3700 
3701 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3702 			 "3275 VMID Request Data: x%lx x%x x%x\n",
3703 			 vport->fc_flag, vport->port_state, cmdcode);
3704 	ctreq = (struct lpfc_sli_ct_request *)mp->virt;
3705 	data = mp->virt;
3706 	/* First populate the CT_IU preamble */
3707 	memset(data, 0, LPFC_BPL_SIZE);
3708 	ctreq->RevisionId.bits.Revision = SLI_CT_REVISION;
3709 	ctreq->RevisionId.bits.InId = 0;
3710 
3711 	ctreq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3712 	ctreq->FsSubType = SLI_CT_APP_SEV_Subtypes;
3713 
3714 	ctreq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3715 	rsp_size = LPFC_BPL_SIZE;
3716 	size = 0;
3717 
3718 	switch (cmdcode) {
3719 	case SLI_CTAS_RAPP_IDENT:
3720 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3721 				 "1329 RAPP_IDENT for %s\n", vmid->host_vmid);
3722 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3723 		rap = (struct lpfc_vmid_rapp_ident_list *)
3724 			(DAPP_IDENT_OFFSET + data);
3725 		rap->no_of_objects = cpu_to_be32(1);
3726 		rap->obj[0].entity_id_len = vmid->vmid_len;
3727 		memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
3728 		size = RAPP_IDENT_OFFSET +
3729 		       struct_size(rap, obj, be32_to_cpu(rap->no_of_objects));
3730 		retry = 1;
3731 		break;
3732 
3733 	case SLI_CTAS_GALLAPPIA_ID:
3734 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3735 		size = GALLAPPIA_ID_SIZE;
3736 		break;
3737 
3738 	case SLI_CTAS_DAPP_IDENT:
3739 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3740 				 "1469 DAPP_IDENT for %s\n", vmid->host_vmid);
3741 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3742 		dap = (struct lpfc_vmid_dapp_ident_list *)
3743 			(DAPP_IDENT_OFFSET + data);
3744 		dap->no_of_objects = cpu_to_be32(1);
3745 		dap->obj[0].entity_id_len = vmid->vmid_len;
3746 		memcpy(dap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
3747 		size = DAPP_IDENT_OFFSET +
3748 		       struct_size(dap, obj, be32_to_cpu(dap->no_of_objects));
3749 		write_lock(&vport->vmid_lock);
3750 		vmid->flag &= ~LPFC_VMID_REGISTERED;
3751 		write_unlock(&vport->vmid_lock);
3752 		retry = 1;
3753 		break;
3754 
3755 	case SLI_CTAS_DALLAPP_ID:
3756 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3757 		size = DALLAPP_ID_SIZE;
3758 		break;
3759 
3760 	default:
3761 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3762 				 "7062 VMID cmdcode x%x not supported\n",
3763 				 cmdcode);
3764 		goto vmid_free_all_mem;
3765 	}
3766 
3767 	ctreq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3768 
3769 	bpl = (struct ulp_bde64 *)bmp->virt;
3770 	bpl->addrHigh = putPaddrHigh(mp->phys);
3771 	bpl->addrLow = putPaddrLow(mp->phys);
3772 	bpl->tus.f.bdeFlags = 0;
3773 	bpl->tus.f.bdeSize = size;
3774 
3775 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3776 	 * to hold ndlp reference for the corresponding callback function.
3777 	 */
3778 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry))
3779 		return 0;
3780 
3781  vmid_free_all_mem:
3782 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3783  vmid_free_bmp_virt_exit:
3784 	kfree(bmp);
3785  vmid_free_bmp_exit:
3786 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
3787  vmid_free_mp_virt_exit:
3788 	kfree(mp);
3789  vmid_free_mp_exit:
3790 
3791 	/* Issue CT request failed */
3792 	lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3793 			 "3276 VMID CT request failed Data: x%x\n", cmdcode);
3794 	return -EIO;
3795 }
3796