xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_ct.c (revision 603c09f2)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017-2022 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 unsolicted 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%x\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 	u32 mi_cmd;
291 
292 	did = bf_get(els_rsp64_sid, &ctiocbq->wqe.xmit_els_rsp);
293 	if (ulp_status) {
294 		lpfc_printf_vlog(vport, KERN_INFO, 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 (vport->fc_flag & FC_UNLOADING)
302 		return;
303 
304 	ndlp = lpfc_findnode_did(vport, did);
305 	if (!ndlp) {
306 		lpfc_printf_vlog(vport, KERN_INFO, 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 = ct_req->CommandResponse.bits.CmdRsp;
315 	lpfc_printf_vlog(vport, KERN_INFO, 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 		lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
480 		list_del(&mlast->list);
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, int 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 (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
511 		    cmdcode == be16_to_cpu(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 	int 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%x 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%x 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%x 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%x x%x x%px\n",
760 					 Did, vport->fc_flag,
761 					 vport->fc_rscn_id_cnt, ndlp);
762 		}
763 	} else {
764 		if (!(vport->fc_flag & FC_RSCN_MODE) ||
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%x 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%x 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%x 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 Scsi_Host *shost = lpfc_shost_from_vport(vport);
918 	struct lpfc_dmabuf *outp;
919 	struct lpfc_dmabuf *inp;
920 	struct lpfc_sli_ct_request *CTrsp;
921 	struct lpfc_sli_ct_request *CTreq;
922 	struct lpfc_nodelist *ndlp;
923 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
924 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
925 	int rc, type;
926 
927 	/* First save ndlp, before we overwrite it */
928 	ndlp = cmdiocb->ndlp;
929 
930 	/* we pass cmdiocb to state machine which needs rspiocb as well */
931 	cmdiocb->rsp_iocb = rspiocb;
932 	inp = cmdiocb->cmd_dmabuf;
933 	outp = cmdiocb->rsp_dmabuf;
934 
935 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
936 		 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
937 		ulp_status, ulp_word4, vport->fc_ns_retry);
938 
939 	/* Ignore response if link flipped after this request was made */
940 	if (cmdiocb->event_tag != phba->fc_eventTag) {
941 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
942 				 "9043 Event tag mismatch. Ignoring NS rsp\n");
943 		goto out;
944 	}
945 
946 	/* Don't bother processing response if vport is being torn down. */
947 	if (vport->load_flag & FC_UNLOADING) {
948 		if (vport->fc_flag & FC_RSCN_MODE)
949 			lpfc_els_flush_rscn(vport);
950 		goto out;
951 	}
952 
953 	if (lpfc_els_chk_latt(vport)) {
954 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
955 				 "0216 Link event during NS query\n");
956 		if (vport->fc_flag & FC_RSCN_MODE)
957 			lpfc_els_flush_rscn(vport);
958 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
959 		goto out;
960 	}
961 	if (lpfc_error_lost_link(ulp_status, ulp_word4)) {
962 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
963 				 "0226 NS query failed due to link event: "
964 				 "ulp_status x%x ulp_word4 x%x fc_flag x%x "
965 				 "port_state x%x gidft_inp x%x\n",
966 				 ulp_status, ulp_word4, vport->fc_flag,
967 				 vport->port_state, vport->gidft_inp);
968 		if (vport->fc_flag & FC_RSCN_MODE)
969 			lpfc_els_flush_rscn(vport);
970 		if (vport->gidft_inp)
971 			vport->gidft_inp--;
972 		goto out;
973 	}
974 
975 	spin_lock_irq(shost->host_lock);
976 	if (vport->fc_flag & FC_RSCN_DEFERRED) {
977 		vport->fc_flag &= ~FC_RSCN_DEFERRED;
978 		spin_unlock_irq(shost->host_lock);
979 
980 		/* This is a GID_FT completing so the gidft_inp counter was
981 		 * incremented before the GID_FT was issued to the wire.
982 		 */
983 		if (vport->gidft_inp)
984 			vport->gidft_inp--;
985 
986 		/*
987 		 * Skip processing the NS response
988 		 * Re-issue the NS cmd
989 		 */
990 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
991 				 "0151 Process Deferred RSCN Data: x%x x%x\n",
992 				 vport->fc_flag, vport->fc_rscn_id_cnt);
993 		lpfc_els_handle_rscn(vport);
994 
995 		goto out;
996 	}
997 	spin_unlock_irq(shost->host_lock);
998 
999 	if (ulp_status) {
1000 		/* Check for retry */
1001 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1002 			if (ulp_status != IOSTAT_LOCAL_REJECT ||
1003 			    (ulp_word4 & IOERR_PARAM_MASK) !=
1004 			    IOERR_NO_RESOURCES)
1005 				vport->fc_ns_retry++;
1006 
1007 			type = lpfc_get_gidft_type(vport, cmdiocb);
1008 			if (type == 0)
1009 				goto out;
1010 
1011 			/* CT command is being retried */
1012 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
1013 					 vport->fc_ns_retry, type);
1014 			if (rc == 0)
1015 				goto out;
1016 			else { /* Unable to send NS cmd */
1017 				if (vport->gidft_inp)
1018 					vport->gidft_inp--;
1019 			}
1020 		}
1021 		if (vport->fc_flag & FC_RSCN_MODE)
1022 			lpfc_els_flush_rscn(vport);
1023 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1024 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1025 				 "0257 GID_FT Query error: 0x%x 0x%x\n",
1026 				 ulp_status, vport->fc_ns_retry);
1027 	} else {
1028 		/* Good status, continue checking */
1029 		CTreq = (struct lpfc_sli_ct_request *) inp->virt;
1030 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1031 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1032 		    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1033 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1034 					 "0208 NameServer Rsp Data: x%x x%x "
1035 					 "x%x x%x sz x%x\n",
1036 					 vport->fc_flag,
1037 					 CTreq->un.gid.Fc4Type,
1038 					 vport->num_disc_nodes,
1039 					 vport->gidft_inp,
1040 					 get_job_data_placed(phba, rspiocb));
1041 
1042 			lpfc_ns_rsp(vport,
1043 				    outp,
1044 				    CTreq->un.gid.Fc4Type,
1045 				    get_job_data_placed(phba, rspiocb));
1046 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
1047 			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1048 			/* NameServer Rsp Error */
1049 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1050 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1051 				lpfc_printf_vlog(vport, KERN_INFO,
1052 					LOG_DISCOVERY,
1053 					"0269 No NameServer Entries "
1054 					"Data: x%x x%x x%x x%x\n",
1055 					CTrsp->CommandResponse.bits.CmdRsp,
1056 					(uint32_t) CTrsp->ReasonCode,
1057 					(uint32_t) CTrsp->Explanation,
1058 					vport->fc_flag);
1059 
1060 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1061 				"GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
1062 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1063 				(uint32_t) CTrsp->ReasonCode,
1064 				(uint32_t) CTrsp->Explanation);
1065 			} else {
1066 				lpfc_printf_vlog(vport, KERN_INFO,
1067 					LOG_DISCOVERY,
1068 					"0240 NameServer Rsp Error "
1069 					"Data: x%x x%x x%x x%x\n",
1070 					CTrsp->CommandResponse.bits.CmdRsp,
1071 					(uint32_t) CTrsp->ReasonCode,
1072 					(uint32_t) CTrsp->Explanation,
1073 					vport->fc_flag);
1074 
1075 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1076 				"GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1077 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1078 				(uint32_t) CTrsp->ReasonCode,
1079 				(uint32_t) CTrsp->Explanation);
1080 			}
1081 
1082 
1083 		} else {
1084 			/* NameServer Rsp Error */
1085 			lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1086 					"0241 NameServer Rsp Error "
1087 					"Data: x%x x%x x%x x%x\n",
1088 					CTrsp->CommandResponse.bits.CmdRsp,
1089 					(uint32_t) CTrsp->ReasonCode,
1090 					(uint32_t) CTrsp->Explanation,
1091 					vport->fc_flag);
1092 
1093 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1094 				"GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1095 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1096 				(uint32_t) CTrsp->ReasonCode,
1097 				(uint32_t) CTrsp->Explanation);
1098 		}
1099 		if (vport->gidft_inp)
1100 			vport->gidft_inp--;
1101 	}
1102 
1103 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1104 			 "4216 GID_FT cmpl inp %d disc %d\n",
1105 			 vport->gidft_inp, vport->num_disc_nodes);
1106 
1107 	/* Link up / RSCN discovery */
1108 	if ((vport->num_disc_nodes == 0) &&
1109 	    (vport->gidft_inp == 0)) {
1110 		/*
1111 		 * The driver has cycled through all Nports in the RSCN payload.
1112 		 * Complete the handling by cleaning up and marking the
1113 		 * current driver state.
1114 		 */
1115 		if (vport->port_state >= LPFC_DISC_AUTH) {
1116 			if (vport->fc_flag & FC_RSCN_MODE) {
1117 				lpfc_els_flush_rscn(vport);
1118 				spin_lock_irq(shost->host_lock);
1119 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1120 				spin_unlock_irq(shost->host_lock);
1121 			}
1122 			else
1123 				lpfc_els_flush_rscn(vport);
1124 		}
1125 
1126 		lpfc_disc_start(vport);
1127 	}
1128 out:
1129 	lpfc_ct_free_iocb(phba, cmdiocb);
1130 	lpfc_nlp_put(ndlp);
1131 	return;
1132 }
1133 
1134 static void
1135 lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1136 			struct lpfc_iocbq *rspiocb)
1137 {
1138 	struct lpfc_vport *vport = cmdiocb->vport;
1139 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1140 	struct lpfc_dmabuf *outp;
1141 	struct lpfc_dmabuf *inp;
1142 	struct lpfc_sli_ct_request *CTrsp;
1143 	struct lpfc_sli_ct_request *CTreq;
1144 	struct lpfc_nodelist *ndlp;
1145 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1146 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
1147 	int rc;
1148 
1149 	/* First save ndlp, before we overwrite it */
1150 	ndlp = cmdiocb->ndlp;
1151 
1152 	/* we pass cmdiocb to state machine which needs rspiocb as well */
1153 	cmdiocb->rsp_iocb = rspiocb;
1154 	inp = cmdiocb->cmd_dmabuf;
1155 	outp = cmdiocb->rsp_dmabuf;
1156 
1157 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1158 			      "GID_PT cmpl:     status:x%x/x%x rtry:%d",
1159 			      ulp_status, ulp_word4,
1160 			      vport->fc_ns_retry);
1161 
1162 	/* Ignore response if link flipped after this request was made */
1163 	if (cmdiocb->event_tag != phba->fc_eventTag) {
1164 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1165 				 "9044 Event tag mismatch. Ignoring NS rsp\n");
1166 		goto out;
1167 	}
1168 
1169 	/* Don't bother processing response if vport is being torn down. */
1170 	if (vport->load_flag & FC_UNLOADING) {
1171 		if (vport->fc_flag & FC_RSCN_MODE)
1172 			lpfc_els_flush_rscn(vport);
1173 		goto out;
1174 	}
1175 
1176 	if (lpfc_els_chk_latt(vport)) {
1177 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1178 				 "4108 Link event during NS query\n");
1179 		if (vport->fc_flag & FC_RSCN_MODE)
1180 			lpfc_els_flush_rscn(vport);
1181 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1182 		goto out;
1183 	}
1184 	if (lpfc_error_lost_link(ulp_status, ulp_word4)) {
1185 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1186 				 "4166 NS query failed due to link event: "
1187 				 "ulp_status x%x ulp_word4 x%x fc_flag x%x "
1188 				 "port_state x%x gidft_inp x%x\n",
1189 				 ulp_status, ulp_word4, vport->fc_flag,
1190 				 vport->port_state, vport->gidft_inp);
1191 		if (vport->fc_flag & FC_RSCN_MODE)
1192 			lpfc_els_flush_rscn(vport);
1193 		if (vport->gidft_inp)
1194 			vport->gidft_inp--;
1195 		goto out;
1196 	}
1197 
1198 	spin_lock_irq(shost->host_lock);
1199 	if (vport->fc_flag & FC_RSCN_DEFERRED) {
1200 		vport->fc_flag &= ~FC_RSCN_DEFERRED;
1201 		spin_unlock_irq(shost->host_lock);
1202 
1203 		/* This is a GID_PT completing so the gidft_inp counter was
1204 		 * incremented before the GID_PT was issued to the wire.
1205 		 */
1206 		if (vport->gidft_inp)
1207 			vport->gidft_inp--;
1208 
1209 		/*
1210 		 * Skip processing the NS response
1211 		 * Re-issue the NS cmd
1212 		 */
1213 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
1214 				 "4167 Process Deferred RSCN Data: x%x x%x\n",
1215 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1216 		lpfc_els_handle_rscn(vport);
1217 
1218 		goto out;
1219 	}
1220 	spin_unlock_irq(shost->host_lock);
1221 
1222 	if (ulp_status) {
1223 		/* Check for retry */
1224 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1225 			if (ulp_status != IOSTAT_LOCAL_REJECT ||
1226 			    (ulp_word4 & IOERR_PARAM_MASK) !=
1227 			    IOERR_NO_RESOURCES)
1228 				vport->fc_ns_retry++;
1229 
1230 			/* CT command is being retried */
1231 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
1232 					 vport->fc_ns_retry, GID_PT_N_PORT);
1233 			if (rc == 0)
1234 				goto out;
1235 			else { /* Unable to send NS cmd */
1236 				if (vport->gidft_inp)
1237 					vport->gidft_inp--;
1238 			}
1239 		}
1240 		if (vport->fc_flag & FC_RSCN_MODE)
1241 			lpfc_els_flush_rscn(vport);
1242 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1243 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1244 				 "4103 GID_FT Query error: 0x%x 0x%x\n",
1245 				 ulp_status, vport->fc_ns_retry);
1246 	} else {
1247 		/* Good status, continue checking */
1248 		CTreq = (struct lpfc_sli_ct_request *)inp->virt;
1249 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1250 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1251 		    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1252 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1253 					 "4105 NameServer Rsp Data: x%x x%x "
1254 					 "x%x x%x sz x%x\n",
1255 					 vport->fc_flag,
1256 					 CTreq->un.gid.Fc4Type,
1257 					 vport->num_disc_nodes,
1258 					 vport->gidft_inp,
1259 					 get_job_data_placed(phba, rspiocb));
1260 
1261 			lpfc_ns_rsp(vport,
1262 				    outp,
1263 				    CTreq->un.gid.Fc4Type,
1264 				    get_job_data_placed(phba, rspiocb));
1265 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
1266 			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1267 			/* NameServer Rsp Error */
1268 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1269 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1270 				lpfc_printf_vlog(
1271 					vport, KERN_INFO, LOG_DISCOVERY,
1272 					"4106 No NameServer Entries "
1273 					"Data: x%x x%x x%x x%x\n",
1274 					CTrsp->CommandResponse.bits.CmdRsp,
1275 					(uint32_t)CTrsp->ReasonCode,
1276 					(uint32_t)CTrsp->Explanation,
1277 					vport->fc_flag);
1278 
1279 				lpfc_debugfs_disc_trc(
1280 				vport, LPFC_DISC_TRC_CT,
1281 				"GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
1282 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1283 				(uint32_t)CTrsp->ReasonCode,
1284 				(uint32_t)CTrsp->Explanation);
1285 			} else {
1286 				lpfc_printf_vlog(
1287 					vport, KERN_INFO, LOG_DISCOVERY,
1288 					"4107 NameServer Rsp Error "
1289 					"Data: x%x x%x x%x x%x\n",
1290 					CTrsp->CommandResponse.bits.CmdRsp,
1291 					(uint32_t)CTrsp->ReasonCode,
1292 					(uint32_t)CTrsp->Explanation,
1293 					vport->fc_flag);
1294 
1295 				lpfc_debugfs_disc_trc(
1296 				vport, LPFC_DISC_TRC_CT,
1297 				"GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1298 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1299 				(uint32_t)CTrsp->ReasonCode,
1300 				(uint32_t)CTrsp->Explanation);
1301 			}
1302 		} else {
1303 			/* NameServer Rsp Error */
1304 			lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1305 					 "4109 NameServer Rsp Error "
1306 					 "Data: x%x x%x x%x x%x\n",
1307 					 CTrsp->CommandResponse.bits.CmdRsp,
1308 					 (uint32_t)CTrsp->ReasonCode,
1309 					 (uint32_t)CTrsp->Explanation,
1310 					 vport->fc_flag);
1311 
1312 			lpfc_debugfs_disc_trc(
1313 				vport, LPFC_DISC_TRC_CT,
1314 				"GID_PT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1315 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1316 				(uint32_t)CTrsp->ReasonCode,
1317 				(uint32_t)CTrsp->Explanation);
1318 		}
1319 		if (vport->gidft_inp)
1320 			vport->gidft_inp--;
1321 	}
1322 
1323 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1324 			 "6450 GID_PT cmpl inp %d disc %d\n",
1325 			 vport->gidft_inp, vport->num_disc_nodes);
1326 
1327 	/* Link up / RSCN discovery */
1328 	if ((vport->num_disc_nodes == 0) &&
1329 	    (vport->gidft_inp == 0)) {
1330 		/*
1331 		 * The driver has cycled through all Nports in the RSCN payload.
1332 		 * Complete the handling by cleaning up and marking the
1333 		 * current driver state.
1334 		 */
1335 		if (vport->port_state >= LPFC_DISC_AUTH) {
1336 			if (vport->fc_flag & FC_RSCN_MODE) {
1337 				lpfc_els_flush_rscn(vport);
1338 				spin_lock_irq(shost->host_lock);
1339 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1340 				spin_unlock_irq(shost->host_lock);
1341 			} else {
1342 				lpfc_els_flush_rscn(vport);
1343 			}
1344 		}
1345 
1346 		lpfc_disc_start(vport);
1347 	}
1348 out:
1349 	lpfc_ct_free_iocb(phba, cmdiocb);
1350 	lpfc_nlp_put(ndlp);
1351 }
1352 
1353 static void
1354 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1355 			struct lpfc_iocbq *rspiocb)
1356 {
1357 	struct lpfc_vport *vport = cmdiocb->vport;
1358 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1359 	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1360 	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1361 	struct lpfc_sli_ct_request *CTrsp;
1362 	int did, rc, retry;
1363 	uint8_t fbits;
1364 	struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL;
1365 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1366 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
1367 
1368 	did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1369 	did = be32_to_cpu(did);
1370 
1371 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1372 		"GFF_ID cmpl:     status:x%x/x%x did:x%x",
1373 		ulp_status, ulp_word4, did);
1374 
1375 	/* Ignore response if link flipped after this request was made */
1376 	if (cmdiocb->event_tag != phba->fc_eventTag) {
1377 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1378 				 "9045 Event tag mismatch. Ignoring NS rsp\n");
1379 		goto iocb_free;
1380 	}
1381 
1382 	if (ulp_status == IOSTAT_SUCCESS) {
1383 		/* Good status, continue checking */
1384 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1385 		fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1386 
1387 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1388 				 "6431 Process GFF_ID rsp for %08x "
1389 				 "fbits %02x %s %s\n",
1390 				 did, fbits,
1391 				 (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1392 				 (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1393 
1394 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1395 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
1396 			if ((fbits & FC4_FEATURE_INIT) &&
1397 			    !(fbits & FC4_FEATURE_TARGET)) {
1398 				lpfc_printf_vlog(vport, KERN_INFO,
1399 						 LOG_DISCOVERY,
1400 						 "0270 Skip x%x GFF "
1401 						 "NameServer Rsp Data: (init) "
1402 						 "x%x x%x\n", did, fbits,
1403 						 vport->fc_rscn_id_cnt);
1404 				goto out;
1405 			}
1406 		}
1407 	}
1408 	else {
1409 		/* Check for retry */
1410 		if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1411 			retry = 1;
1412 			if (ulp_status == IOSTAT_LOCAL_REJECT) {
1413 				switch ((ulp_word4 &
1414 					IOERR_PARAM_MASK)) {
1415 
1416 				case IOERR_NO_RESOURCES:
1417 					/* We don't increment the retry
1418 					 * count for this case.
1419 					 */
1420 					break;
1421 				case IOERR_LINK_DOWN:
1422 				case IOERR_SLI_ABORTED:
1423 				case IOERR_SLI_DOWN:
1424 					retry = 0;
1425 					break;
1426 				default:
1427 					cmdiocb->retry++;
1428 				}
1429 			}
1430 			else
1431 				cmdiocb->retry++;
1432 
1433 			if (retry) {
1434 				/* CT command is being retried */
1435 				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1436 					 cmdiocb->retry, did);
1437 				if (rc == 0) {
1438 					/* success */
1439 					free_ndlp = cmdiocb->ndlp;
1440 					lpfc_ct_free_iocb(phba, cmdiocb);
1441 					lpfc_nlp_put(free_ndlp);
1442 					return;
1443 				}
1444 			}
1445 		}
1446 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1447 				 "0267 NameServer GFF Rsp "
1448 				 "x%x Error (%d %d) Data: x%x x%x\n",
1449 				 did, ulp_status, ulp_word4,
1450 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1451 	}
1452 
1453 	/* This is a target port, unregistered port, or the GFF_ID failed */
1454 	ndlp = lpfc_setup_disc_node(vport, did);
1455 	if (ndlp) {
1456 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1457 				 "0242 Process x%x GFF "
1458 				 "NameServer Rsp Data: x%x x%x x%x\n",
1459 				 did, ndlp->nlp_flag, vport->fc_flag,
1460 				 vport->fc_rscn_id_cnt);
1461 	} else {
1462 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1463 				 "0243 Skip x%x GFF "
1464 				 "NameServer Rsp Data: x%x x%x\n", did,
1465 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1466 	}
1467 out:
1468 	/* Link up / RSCN discovery */
1469 	if (vport->num_disc_nodes)
1470 		vport->num_disc_nodes--;
1471 
1472 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1473 			 "6451 GFF_ID cmpl inp %d disc %d\n",
1474 			 vport->gidft_inp, vport->num_disc_nodes);
1475 
1476 	if (vport->num_disc_nodes == 0) {
1477 		/*
1478 		 * The driver has cycled through all Nports in the RSCN payload.
1479 		 * Complete the handling by cleaning up and marking the
1480 		 * current driver state.
1481 		 */
1482 		if (vport->port_state >= LPFC_DISC_AUTH) {
1483 			if (vport->fc_flag & FC_RSCN_MODE) {
1484 				lpfc_els_flush_rscn(vport);
1485 				spin_lock_irq(shost->host_lock);
1486 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1487 				spin_unlock_irq(shost->host_lock);
1488 			}
1489 			else
1490 				lpfc_els_flush_rscn(vport);
1491 		}
1492 		lpfc_disc_start(vport);
1493 	}
1494 
1495 iocb_free:
1496 	free_ndlp = cmdiocb->ndlp;
1497 	lpfc_ct_free_iocb(phba, cmdiocb);
1498 	lpfc_nlp_put(free_ndlp);
1499 	return;
1500 }
1501 
1502 static void
1503 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1504 			struct lpfc_iocbq *rspiocb)
1505 {
1506 	struct lpfc_vport *vport = cmdiocb->vport;
1507 	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1508 	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1509 	struct lpfc_sli_ct_request *CTrsp;
1510 	int did;
1511 	struct lpfc_nodelist *ndlp = NULL;
1512 	struct lpfc_nodelist *ns_ndlp = NULL;
1513 	uint32_t fc4_data_0, fc4_data_1;
1514 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1515 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
1516 
1517 	did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1518 	did = be32_to_cpu(did);
1519 
1520 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1521 			      "GFT_ID cmpl: status:x%x/x%x did:x%x",
1522 			      ulp_status, ulp_word4, did);
1523 
1524 	/* Ignore response if link flipped after this request was made */
1525 	if ((uint32_t) cmdiocb->event_tag != phba->fc_eventTag) {
1526 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1527 				 "9046 Event tag mismatch. Ignoring NS rsp\n");
1528 		goto out;
1529 	}
1530 
1531 	/* Preserve the nameserver node to release the reference. */
1532 	ns_ndlp = cmdiocb->ndlp;
1533 
1534 	if (ulp_status == IOSTAT_SUCCESS) {
1535 		/* Good status, continue checking */
1536 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1537 		fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1538 		fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1539 
1540 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1541 				 "6432 Process GFT_ID rsp for %08x "
1542 				 "Data %08x %08x %s %s\n",
1543 				 did, fc4_data_0, fc4_data_1,
1544 				 (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1545 				  "FCP" : " ",
1546 				 (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1547 				  "NVME" : " ");
1548 
1549 		/* Lookup the NPort_ID queried in the GFT_ID and find the
1550 		 * driver's local node.  It's an error if the driver
1551 		 * doesn't have one.
1552 		 */
1553 		ndlp = lpfc_findnode_did(vport, did);
1554 		if (ndlp) {
1555 			/* The bitmask value for FCP and NVME FCP types is
1556 			 * the same because they are 32 bits distant from
1557 			 * each other in word0 and word0.
1558 			 */
1559 			if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1560 				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1561 			if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1562 				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1563 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1564 					 "3064 Setting ndlp x%px, DID x%06x "
1565 					 "with FC4 x%08x, Data: x%08x x%08x "
1566 					 "%d\n",
1567 					 ndlp, did, ndlp->nlp_fc4_type,
1568 					 FC_TYPE_FCP, FC_TYPE_NVME,
1569 					 ndlp->nlp_state);
1570 
1571 			if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
1572 			    ndlp->nlp_fc4_type) {
1573 				ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1574 
1575 				lpfc_nlp_set_state(vport, ndlp,
1576 						   NLP_STE_PRLI_ISSUE);
1577 				lpfc_issue_els_prli(vport, ndlp, 0);
1578 			} else if (!ndlp->nlp_fc4_type) {
1579 				/* If fc4 type is still unknown, then LOGO */
1580 				lpfc_printf_vlog(vport, KERN_INFO,
1581 						 LOG_DISCOVERY,
1582 						 "6443 Sending LOGO ndlp x%px,"
1583 						 "DID x%06x with fc4_type: "
1584 						 "x%08x, state: %d\n",
1585 						 ndlp, did, ndlp->nlp_fc4_type,
1586 						 ndlp->nlp_state);
1587 				lpfc_issue_els_logo(vport, ndlp, 0);
1588 				ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1589 				lpfc_nlp_set_state(vport, ndlp,
1590 						   NLP_STE_NPR_NODE);
1591 			}
1592 		}
1593 	} else
1594 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1595 				 "3065 GFT_ID failed x%08x\n", ulp_status);
1596 
1597 out:
1598 	lpfc_ct_free_iocb(phba, cmdiocb);
1599 	lpfc_nlp_put(ns_ndlp);
1600 }
1601 
1602 static void
1603 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1604 	     struct lpfc_iocbq *rspiocb)
1605 {
1606 	struct lpfc_vport *vport = cmdiocb->vport;
1607 	struct lpfc_dmabuf *inp;
1608 	struct lpfc_dmabuf *outp;
1609 	struct lpfc_sli_ct_request *CTrsp;
1610 	struct lpfc_nodelist *ndlp;
1611 	int cmdcode, rc;
1612 	uint8_t retry;
1613 	uint32_t latt;
1614 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1615 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
1616 
1617 	/* First save ndlp, before we overwrite it */
1618 	ndlp = cmdiocb->ndlp;
1619 
1620 	/* we pass cmdiocb to state machine which needs rspiocb as well */
1621 	cmdiocb->rsp_iocb = rspiocb;
1622 
1623 	inp = cmdiocb->cmd_dmabuf;
1624 	outp = cmdiocb->rsp_dmabuf;
1625 
1626 	cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1627 					CommandResponse.bits.CmdRsp);
1628 	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1629 
1630 	latt = lpfc_els_chk_latt(vport);
1631 
1632 	/* RFT request completes status <ulp_status> CmdRsp <CmdRsp> */
1633 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1634 			 "0209 CT Request completes, latt %d, "
1635 			 "ulp_status x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1636 			 latt, ulp_status,
1637 			 CTrsp->CommandResponse.bits.CmdRsp,
1638 			 get_job_ulpcontext(phba, cmdiocb), cmdiocb->iotag);
1639 
1640 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1641 		"CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1642 		ulp_status, ulp_word4, cmdcode);
1643 
1644 	if (ulp_status) {
1645 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1646 				 "0268 NS cmd x%x Error (x%x x%x)\n",
1647 				 cmdcode, ulp_status, ulp_word4);
1648 
1649 		if (ulp_status == IOSTAT_LOCAL_REJECT &&
1650 		    (((ulp_word4 & IOERR_PARAM_MASK) ==
1651 		      IOERR_SLI_DOWN) ||
1652 		     ((ulp_word4 & IOERR_PARAM_MASK) ==
1653 		      IOERR_SLI_ABORTED)))
1654 			goto out;
1655 
1656 		retry = cmdiocb->retry;
1657 		if (retry >= LPFC_MAX_NS_RETRY)
1658 			goto out;
1659 
1660 		retry++;
1661 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1662 				 "0250 Retrying NS cmd %x\n", cmdcode);
1663 		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1664 		if (rc == 0)
1665 			goto out;
1666 	}
1667 
1668 out:
1669 	lpfc_ct_free_iocb(phba, cmdiocb);
1670 	lpfc_nlp_put(ndlp);
1671 	return;
1672 }
1673 
1674 static void
1675 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1676 			struct lpfc_iocbq *rspiocb)
1677 {
1678 	struct lpfc_vport *vport = cmdiocb->vport;
1679 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1680 
1681 	if (ulp_status == IOSTAT_SUCCESS) {
1682 		struct lpfc_dmabuf *outp;
1683 		struct lpfc_sli_ct_request *CTrsp;
1684 
1685 		outp = cmdiocb->rsp_dmabuf;
1686 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1687 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1688 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1689 			vport->ct_flags |= FC_CT_RFT_ID;
1690 	}
1691 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1692 	return;
1693 }
1694 
1695 static void
1696 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1697 			struct lpfc_iocbq *rspiocb)
1698 {
1699 	struct lpfc_vport *vport = cmdiocb->vport;
1700 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1701 
1702 	if (ulp_status == IOSTAT_SUCCESS) {
1703 		struct lpfc_dmabuf *outp;
1704 		struct lpfc_sli_ct_request *CTrsp;
1705 
1706 		outp = cmdiocb->rsp_dmabuf;
1707 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1708 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1709 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1710 			vport->ct_flags |= FC_CT_RNN_ID;
1711 	}
1712 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1713 	return;
1714 }
1715 
1716 static void
1717 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1718 			 struct lpfc_iocbq *rspiocb)
1719 {
1720 	struct lpfc_vport *vport = cmdiocb->vport;
1721 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1722 
1723 	if (ulp_status == IOSTAT_SUCCESS) {
1724 		struct lpfc_dmabuf *outp;
1725 		struct lpfc_sli_ct_request *CTrsp;
1726 
1727 		outp = cmdiocb->rsp_dmabuf;
1728 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1729 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1730 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1731 			vport->ct_flags |= FC_CT_RSPN_ID;
1732 	}
1733 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1734 	return;
1735 }
1736 
1737 static void
1738 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1739 			 struct lpfc_iocbq *rspiocb)
1740 {
1741 	struct lpfc_vport *vport = cmdiocb->vport;
1742 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1743 
1744 	if (ulp_status == IOSTAT_SUCCESS) {
1745 		struct lpfc_dmabuf *outp;
1746 		struct lpfc_sli_ct_request *CTrsp;
1747 
1748 		outp = cmdiocb->rsp_dmabuf;
1749 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1750 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1751 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1752 			vport->ct_flags |= FC_CT_RSNN_NN;
1753 	}
1754 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1755 	return;
1756 }
1757 
1758 static void
1759 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1760  struct lpfc_iocbq *rspiocb)
1761 {
1762 	struct lpfc_vport *vport = cmdiocb->vport;
1763 
1764 	/* even if it fails we will act as though it succeeded. */
1765 	vport->ct_flags = 0;
1766 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1767 	return;
1768 }
1769 
1770 static void
1771 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1772 			struct lpfc_iocbq *rspiocb)
1773 {
1774 	struct lpfc_vport *vport = cmdiocb->vport;
1775 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1776 
1777 	if (ulp_status == IOSTAT_SUCCESS) {
1778 		struct lpfc_dmabuf *outp;
1779 		struct lpfc_sli_ct_request *CTrsp;
1780 
1781 		outp = cmdiocb->rsp_dmabuf;
1782 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1783 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1784 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1785 			vport->ct_flags |= FC_CT_RFF_ID;
1786 	}
1787 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1788 	return;
1789 }
1790 
1791 /*
1792  * Although the symbolic port name is thought to be an integer
1793  * as of January 18, 2016, leave it as a string until more of
1794  * the record state becomes defined.
1795  */
1796 int
1797 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1798 	size_t size)
1799 {
1800 	int n;
1801 
1802 	/*
1803 	 * Use the lpfc board number as the Symbolic Port
1804 	 * Name object.  NPIV is not in play so this integer
1805 	 * value is sufficient and unique per FC-ID.
1806 	 */
1807 	n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
1808 	return n;
1809 }
1810 
1811 
1812 int
1813 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1814 	size_t size)
1815 {
1816 	char fwrev[FW_REV_STR_SIZE] = {0};
1817 	char tmp[MAXHOSTNAMELEN] = {0};
1818 
1819 	memset(symbol, 0, size);
1820 
1821 	scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
1822 	if (strlcat(symbol, tmp, size) >= size)
1823 		goto buffer_done;
1824 
1825 	lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1826 	scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
1827 	if (strlcat(symbol, tmp, size) >= size)
1828 		goto buffer_done;
1829 
1830 	scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
1831 	if (strlcat(symbol, tmp, size) >= size)
1832 		goto buffer_done;
1833 
1834 	scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
1835 	if (strlcat(symbol, tmp, size) >= size)
1836 		goto buffer_done;
1837 
1838 	/* Note :- OS name is "Linux" */
1839 	scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
1840 	strlcat(symbol, tmp, size);
1841 
1842 buffer_done:
1843 	return strnlen(symbol, size);
1844 
1845 }
1846 
1847 static uint32_t
1848 lpfc_find_map_node(struct lpfc_vport *vport)
1849 {
1850 	struct lpfc_nodelist *ndlp, *next_ndlp;
1851 	struct Scsi_Host  *shost;
1852 	uint32_t cnt = 0;
1853 
1854 	shost = lpfc_shost_from_vport(vport);
1855 	spin_lock_irq(shost->host_lock);
1856 	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1857 		if (ndlp->nlp_type & NLP_FABRIC)
1858 			continue;
1859 		if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1860 		    (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1861 			cnt++;
1862 	}
1863 	spin_unlock_irq(shost->host_lock);
1864 	return cnt;
1865 }
1866 
1867 /*
1868  * This routine will return the FC4 Type associated with the CT
1869  * GID_FT command.
1870  */
1871 int
1872 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1873 {
1874 	struct lpfc_sli_ct_request *CtReq;
1875 	struct lpfc_dmabuf *mp;
1876 	uint32_t type;
1877 
1878 	mp = cmdiocb->cmd_dmabuf;
1879 	if (mp == NULL)
1880 		return 0;
1881 	CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1882 	type = (uint32_t)CtReq->un.gid.Fc4Type;
1883 	if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1884 		return 0;
1885 	return type;
1886 }
1887 
1888 /*
1889  * lpfc_ns_cmd
1890  * Description:
1891  *    Issue Cmd to NameServer
1892  *       SLI_CTNS_GID_FT
1893  *       LI_CTNS_RFT_ID
1894  */
1895 int
1896 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1897 	    uint8_t retry, uint32_t context)
1898 {
1899 	struct lpfc_nodelist * ndlp;
1900 	struct lpfc_hba *phba = vport->phba;
1901 	struct lpfc_dmabuf *mp, *bmp;
1902 	struct lpfc_sli_ct_request *CtReq;
1903 	struct ulp_bde64 *bpl;
1904 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1905 		      struct lpfc_iocbq *) = NULL;
1906 	uint32_t *ptr;
1907 	uint32_t rsp_size = 1024;
1908 	size_t   size;
1909 	int rc = 0;
1910 
1911 	ndlp = lpfc_findnode_did(vport, NameServer_DID);
1912 	if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1913 		rc=1;
1914 		goto ns_cmd_exit;
1915 	}
1916 
1917 	/* fill in BDEs for command */
1918 	/* Allocate buffer for command payload */
1919 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1920 	if (!mp) {
1921 		rc=2;
1922 		goto ns_cmd_exit;
1923 	}
1924 
1925 	INIT_LIST_HEAD(&mp->list);
1926 	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1927 	if (!mp->virt) {
1928 		rc=3;
1929 		goto ns_cmd_free_mp;
1930 	}
1931 
1932 	/* Allocate buffer for Buffer ptr list */
1933 	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1934 	if (!bmp) {
1935 		rc=4;
1936 		goto ns_cmd_free_mpvirt;
1937 	}
1938 
1939 	INIT_LIST_HEAD(&bmp->list);
1940 	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1941 	if (!bmp->virt) {
1942 		rc=5;
1943 		goto ns_cmd_free_bmp;
1944 	}
1945 
1946 	/* NameServer Req */
1947 	lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1948 			 "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1949 			 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1950 			 context);
1951 
1952 	bpl = (struct ulp_bde64 *) bmp->virt;
1953 	memset(bpl, 0, sizeof(struct ulp_bde64));
1954 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1955 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1956 	bpl->tus.f.bdeFlags = 0;
1957 	if (cmdcode == SLI_CTNS_GID_FT)
1958 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1959 	else if (cmdcode == SLI_CTNS_GID_PT)
1960 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1961 	else if (cmdcode == SLI_CTNS_GFF_ID)
1962 		bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1963 	else if (cmdcode == SLI_CTNS_GFT_ID)
1964 		bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1965 	else if (cmdcode == SLI_CTNS_RFT_ID)
1966 		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1967 	else if (cmdcode == SLI_CTNS_RNN_ID)
1968 		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1969 	else if (cmdcode == SLI_CTNS_RSPN_ID)
1970 		bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1971 	else if (cmdcode == SLI_CTNS_RSNN_NN)
1972 		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1973 	else if (cmdcode == SLI_CTNS_DA_ID)
1974 		bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1975 	else if (cmdcode == SLI_CTNS_RFF_ID)
1976 		bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1977 	else
1978 		bpl->tus.f.bdeSize = 0;
1979 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1980 
1981 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1982 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1983 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1984 	CtReq->RevisionId.bits.InId = 0;
1985 	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1986 	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1987 	CtReq->CommandResponse.bits.Size = 0;
1988 	switch (cmdcode) {
1989 	case SLI_CTNS_GID_FT:
1990 		CtReq->CommandResponse.bits.CmdRsp =
1991 		    cpu_to_be16(SLI_CTNS_GID_FT);
1992 		CtReq->un.gid.Fc4Type = context;
1993 
1994 		if (vport->port_state < LPFC_NS_QRY)
1995 			vport->port_state = LPFC_NS_QRY;
1996 		lpfc_set_disctmo(vport);
1997 		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1998 		rsp_size = FC_MAX_NS_RSP;
1999 		break;
2000 
2001 	case SLI_CTNS_GID_PT:
2002 		CtReq->CommandResponse.bits.CmdRsp =
2003 		    cpu_to_be16(SLI_CTNS_GID_PT);
2004 		CtReq->un.gid.PortType = context;
2005 
2006 		if (vport->port_state < LPFC_NS_QRY)
2007 			vport->port_state = LPFC_NS_QRY;
2008 		lpfc_set_disctmo(vport);
2009 		cmpl = lpfc_cmpl_ct_cmd_gid_pt;
2010 		rsp_size = FC_MAX_NS_RSP;
2011 		break;
2012 
2013 	case SLI_CTNS_GFF_ID:
2014 		CtReq->CommandResponse.bits.CmdRsp =
2015 			cpu_to_be16(SLI_CTNS_GFF_ID);
2016 		CtReq->un.gff.PortId = cpu_to_be32(context);
2017 		cmpl = lpfc_cmpl_ct_cmd_gff_id;
2018 		break;
2019 
2020 	case SLI_CTNS_GFT_ID:
2021 		CtReq->CommandResponse.bits.CmdRsp =
2022 			cpu_to_be16(SLI_CTNS_GFT_ID);
2023 		CtReq->un.gft.PortId = cpu_to_be32(context);
2024 		cmpl = lpfc_cmpl_ct_cmd_gft_id;
2025 		break;
2026 
2027 	case SLI_CTNS_RFT_ID:
2028 		vport->ct_flags &= ~FC_CT_RFT_ID;
2029 		CtReq->CommandResponse.bits.CmdRsp =
2030 		    cpu_to_be16(SLI_CTNS_RFT_ID);
2031 		CtReq->un.rft.port_id = cpu_to_be32(vport->fc_myDID);
2032 
2033 		/* Register Application Services type if vmid enabled. */
2034 		if (phba->cfg_vmid_app_header)
2035 			CtReq->un.rft.app_serv_reg =
2036 				cpu_to_be32(RFT_APP_SERV_REG);
2037 
2038 		/* Register FC4 FCP type if enabled.  */
2039 		if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2040 		    vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
2041 			CtReq->un.rft.fcp_reg = cpu_to_be32(RFT_FCP_REG);
2042 
2043 		/* Register NVME type if enabled. */
2044 		if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2045 		    vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
2046 			CtReq->un.rft.nvme_reg = cpu_to_be32(RFT_NVME_REG);
2047 
2048 		ptr = (uint32_t *)CtReq;
2049 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2050 				 "6433 Issue RFT (%s %s %s): %08x %08x %08x "
2051 				 "%08x %08x %08x %08x %08x\n",
2052 				 CtReq->un.rft.fcp_reg ? "FCP" : " ",
2053 				 CtReq->un.rft.nvme_reg ? "NVME" : " ",
2054 				 CtReq->un.rft.app_serv_reg ? "APPS" : " ",
2055 				 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2056 				 *(ptr + 4), *(ptr + 5),
2057 				 *(ptr + 6), *(ptr + 7));
2058 		cmpl = lpfc_cmpl_ct_cmd_rft_id;
2059 		break;
2060 
2061 	case SLI_CTNS_RNN_ID:
2062 		vport->ct_flags &= ~FC_CT_RNN_ID;
2063 		CtReq->CommandResponse.bits.CmdRsp =
2064 		    cpu_to_be16(SLI_CTNS_RNN_ID);
2065 		CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
2066 		memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
2067 		       sizeof(struct lpfc_name));
2068 		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
2069 		break;
2070 
2071 	case SLI_CTNS_RSPN_ID:
2072 		vport->ct_flags &= ~FC_CT_RSPN_ID;
2073 		CtReq->CommandResponse.bits.CmdRsp =
2074 		    cpu_to_be16(SLI_CTNS_RSPN_ID);
2075 		CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
2076 		size = sizeof(CtReq->un.rspn.symbname);
2077 		CtReq->un.rspn.len =
2078 			lpfc_vport_symbolic_port_name(vport,
2079 			CtReq->un.rspn.symbname, size);
2080 		cmpl = lpfc_cmpl_ct_cmd_rspn_id;
2081 		break;
2082 	case SLI_CTNS_RSNN_NN:
2083 		vport->ct_flags &= ~FC_CT_RSNN_NN;
2084 		CtReq->CommandResponse.bits.CmdRsp =
2085 		    cpu_to_be16(SLI_CTNS_RSNN_NN);
2086 		memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
2087 		       sizeof(struct lpfc_name));
2088 		size = sizeof(CtReq->un.rsnn.symbname);
2089 		CtReq->un.rsnn.len =
2090 			lpfc_vport_symbolic_node_name(vport,
2091 			CtReq->un.rsnn.symbname, size);
2092 		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
2093 		break;
2094 	case SLI_CTNS_DA_ID:
2095 		/* Implement DA_ID Nameserver request */
2096 		CtReq->CommandResponse.bits.CmdRsp =
2097 			cpu_to_be16(SLI_CTNS_DA_ID);
2098 		CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
2099 		cmpl = lpfc_cmpl_ct_cmd_da_id;
2100 		break;
2101 	case SLI_CTNS_RFF_ID:
2102 		vport->ct_flags &= ~FC_CT_RFF_ID;
2103 		CtReq->CommandResponse.bits.CmdRsp =
2104 		    cpu_to_be16(SLI_CTNS_RFF_ID);
2105 		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
2106 		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
2107 
2108 		/* The driver always supports FC_TYPE_FCP.  However, the
2109 		 * caller can specify NVME (type x28) as well.  But only
2110 		 * these that FC4 type is supported.
2111 		 */
2112 		if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2113 		     (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
2114 		    (context == FC_TYPE_NVME)) {
2115 			if ((vport == phba->pport) && phba->nvmet_support) {
2116 				CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
2117 					FC4_FEATURE_NVME_DISC);
2118 				lpfc_nvmet_update_targetport(phba);
2119 			} else {
2120 				lpfc_nvme_update_localport(vport);
2121 			}
2122 			CtReq->un.rff.type_code = context;
2123 
2124 		} else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2125 			    (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
2126 			   (context == FC_TYPE_FCP))
2127 			CtReq->un.rff.type_code = context;
2128 
2129 		else
2130 			goto ns_cmd_free_bmpvirt;
2131 
2132 		ptr = (uint32_t *)CtReq;
2133 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2134 				 "6434 Issue RFF (%s): %08x %08x %08x %08x "
2135 				 "%08x %08x %08x %08x\n",
2136 				 (context == FC_TYPE_NVME) ? "NVME" : "FCP",
2137 				 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2138 				 *(ptr + 4), *(ptr + 5),
2139 				 *(ptr + 6), *(ptr + 7));
2140 		cmpl = lpfc_cmpl_ct_cmd_rff_id;
2141 		break;
2142 	}
2143 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2144 	 * to hold ndlp reference for the corresponding callback function.
2145 	 */
2146 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
2147 		/* On success, The cmpl function will free the buffers */
2148 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2149 			"Issue CT cmd:    cmd:x%x did:x%x",
2150 			cmdcode, ndlp->nlp_DID, 0);
2151 		return 0;
2152 	}
2153 	rc=6;
2154 
2155 ns_cmd_free_bmpvirt:
2156 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2157 ns_cmd_free_bmp:
2158 	kfree(bmp);
2159 ns_cmd_free_mpvirt:
2160 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
2161 ns_cmd_free_mp:
2162 	kfree(mp);
2163 ns_cmd_exit:
2164 	lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
2165 			 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
2166 			 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
2167 	return 1;
2168 }
2169 
2170 /**
2171  * lpfc_fdmi_rprt_defer - Check for any deferred FDMI RPRT commands
2172  * @phba: Pointer to HBA context object.
2173  * @mask: Initial port attributes mask
2174  *
2175  * This function checks to see if any vports have deferred their FDMI RPRT.
2176  * A vports RPRT may be deferred if it is issued before the primary ports
2177  * RHBA completes.
2178  */
2179 static void
2180 lpfc_fdmi_rprt_defer(struct lpfc_hba *phba, uint32_t mask)
2181 {
2182 	struct lpfc_vport **vports;
2183 	struct lpfc_vport *vport;
2184 	struct lpfc_nodelist *ndlp;
2185 	int i;
2186 
2187 	phba->hba_flag |= HBA_RHBA_CMPL;
2188 	vports = lpfc_create_vport_work_array(phba);
2189 	if (vports) {
2190 		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2191 			vport = vports[i];
2192 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2193 			if (!ndlp)
2194 				continue;
2195 			if (vport->ct_flags & FC_CT_RPRT_DEFER) {
2196 				vport->ct_flags &= ~FC_CT_RPRT_DEFER;
2197 				vport->fdmi_port_mask = mask;
2198 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2199 			}
2200 		}
2201 	}
2202 	lpfc_destroy_vport_work_array(phba, vports);
2203 }
2204 
2205 /**
2206  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
2207  * @phba: Pointer to HBA context object.
2208  * @cmdiocb: Pointer to the command IOCBQ.
2209  * @rspiocb: Pointer to the response IOCBQ.
2210  *
2211  * This function to handle the completion of a driver initiated FDMI
2212  * CT command issued during discovery.
2213  */
2214 static void
2215 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
2216 		       struct lpfc_iocbq *rspiocb)
2217 {
2218 	struct lpfc_vport *vport = cmdiocb->vport;
2219 	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
2220 	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
2221 	struct lpfc_sli_ct_request *CTcmd = inp->virt;
2222 	struct lpfc_sli_ct_request *CTrsp = outp->virt;
2223 	uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
2224 	uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
2225 	struct lpfc_nodelist *ndlp, *free_ndlp = NULL;
2226 	uint32_t latt, cmd, err;
2227 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
2228 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
2229 
2230 	latt = lpfc_els_chk_latt(vport);
2231 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2232 		"FDMI cmpl:       status:x%x/x%x latt:%d",
2233 		ulp_status, ulp_word4, latt);
2234 
2235 	if (latt || ulp_status) {
2236 
2237 		/* Look for a retryable error */
2238 		if (ulp_status == IOSTAT_LOCAL_REJECT) {
2239 			switch ((ulp_word4 & IOERR_PARAM_MASK)) {
2240 			case IOERR_SLI_ABORTED:
2241 			case IOERR_SLI_DOWN:
2242 				/* Driver aborted this IO.  No retry as error
2243 				 * is likely Offline->Online or some adapter
2244 				 * error.  Recovery will try again.
2245 				 */
2246 				break;
2247 			case IOERR_ABORT_IN_PROGRESS:
2248 			case IOERR_SEQUENCE_TIMEOUT:
2249 			case IOERR_ILLEGAL_FRAME:
2250 			case IOERR_NO_RESOURCES:
2251 			case IOERR_ILLEGAL_COMMAND:
2252 				cmdiocb->retry++;
2253 				if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
2254 					break;
2255 
2256 				/* Retry the same FDMI command */
2257 				err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
2258 							  cmdiocb, 0);
2259 				if (err == IOCB_ERROR)
2260 					break;
2261 				return;
2262 			default:
2263 				break;
2264 			}
2265 		}
2266 
2267 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2268 				 "0229 FDMI cmd %04x failed, latt = %d "
2269 				 "ulp_status: x%x, rid x%x\n",
2270 				 be16_to_cpu(fdmi_cmd), latt, ulp_status,
2271 				 ulp_word4);
2272 	}
2273 
2274 	free_ndlp = cmdiocb->ndlp;
2275 	lpfc_ct_free_iocb(phba, cmdiocb);
2276 	lpfc_nlp_put(free_ndlp);
2277 
2278 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
2279 	if (!ndlp)
2280 		return;
2281 
2282 	/* Check for a CT LS_RJT response */
2283 	cmd =  be16_to_cpu(fdmi_cmd);
2284 	if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
2285 		/* FDMI rsp failed */
2286 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY | LOG_ELS,
2287 				 "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
2288 
2289 		/* Should we fallback to FDMI-2 / FDMI-1 ? */
2290 		switch (cmd) {
2291 		case SLI_MGMT_RHBA:
2292 			if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
2293 				/* Fallback to FDMI-1 for HBA attributes */
2294 				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2295 
2296 				/* If HBA attributes are FDMI1, so should
2297 				 * port attributes be for consistency.
2298 				 */
2299 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2300 				/* Start over */
2301 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2302 			}
2303 			return;
2304 
2305 		case SLI_MGMT_RPRT:
2306 			if (vport->port_type != LPFC_PHYSICAL_PORT) {
2307 				ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2308 				if (!ndlp)
2309 					return;
2310 			}
2311 			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2312 				/* Fallback to FDMI-1 */
2313 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2314 				/* Start over */
2315 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2316 				return;
2317 			}
2318 			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2319 				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2320 				/* Retry the same command */
2321 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2322 			}
2323 			return;
2324 
2325 		case SLI_MGMT_RPA:
2326 			/* No retry on Vendor, RPA only done on physical port */
2327 			if (phba->link_flag & LS_CT_VEN_RPA) {
2328 				phba->link_flag &= ~LS_CT_VEN_RPA;
2329 				if (phba->cmf_active_mode == LPFC_CFG_OFF)
2330 					return;
2331 				lpfc_printf_log(phba, KERN_WARNING,
2332 						LOG_DISCOVERY | LOG_ELS,
2333 						"6460 VEN FDMI RPA RJT\n");
2334 				return;
2335 			}
2336 			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2337 				/* Fallback to FDMI-1 */
2338 				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2339 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2340 				/* Start over */
2341 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2342 				return;
2343 			}
2344 			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2345 				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2346 				/* Retry the same command */
2347 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2348 			}
2349 			return;
2350 		}
2351 	}
2352 
2353 	/*
2354 	 * On success, need to cycle thru FDMI registration for discovery
2355 	 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2356 	 * DPRT -> RPRT (vports)
2357 	 */
2358 	switch (cmd) {
2359 	case SLI_MGMT_RHBA:
2360 		/* Check for any RPRTs deferred till after RHBA completes */
2361 		lpfc_fdmi_rprt_defer(phba, vport->fdmi_port_mask);
2362 
2363 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
2364 		break;
2365 
2366 	case SLI_MGMT_DHBA:
2367 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2368 		break;
2369 
2370 	case SLI_MGMT_DPRT:
2371 		if (vport->port_type == LPFC_PHYSICAL_PORT) {
2372 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
2373 		} else {
2374 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2375 			if (!ndlp)
2376 				return;
2377 
2378 			/* Only issue a RPRT for the vport if the RHBA
2379 			 * for the physical port completes successfully.
2380 			 * We may have to defer the RPRT accordingly.
2381 			 */
2382 			if (phba->hba_flag & HBA_RHBA_CMPL) {
2383 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2384 			} else {
2385 				lpfc_printf_vlog(vport, KERN_INFO,
2386 						 LOG_DISCOVERY,
2387 						 "6078 RPRT deferred\n");
2388 				vport->ct_flags |= FC_CT_RPRT_DEFER;
2389 			}
2390 		}
2391 		break;
2392 	case SLI_MGMT_RPA:
2393 		if (vport->port_type == LPFC_PHYSICAL_PORT &&
2394 		    phba->sli4_hba.pc_sli4_params.mi_ver) {
2395 			/* mi is only for the phyical port, no vports */
2396 			if (phba->link_flag & LS_CT_VEN_RPA) {
2397 				lpfc_printf_vlog(vport, KERN_INFO,
2398 						 LOG_DISCOVERY | LOG_ELS |
2399 						 LOG_CGN_MGMT,
2400 						 "6449 VEN RPA FDMI Success\n");
2401 				phba->link_flag &= ~LS_CT_VEN_RPA;
2402 				break;
2403 			}
2404 
2405 			lpfc_printf_log(phba, KERN_INFO,
2406 					LOG_DISCOVERY | LOG_CGN_MGMT,
2407 					"6210 Issue Vendor MI FDMI %x\n",
2408 					phba->sli4_hba.pc_sli4_params.mi_ver);
2409 
2410 			/* CGN is only for the physical port, no vports */
2411 			if (lpfc_fdmi_cmd(vport, ndlp, cmd,
2412 					  LPFC_FDMI_VENDOR_ATTR_mi) == 0)
2413 				phba->link_flag |= LS_CT_VEN_RPA;
2414 			lpfc_printf_log(phba, KERN_INFO,
2415 					LOG_DISCOVERY | LOG_ELS,
2416 					"6458 Send MI FDMI:%x Flag x%x\n",
2417 					phba->sli4_hba.pc_sli4_params.mi_ver,
2418 					phba->link_flag);
2419 		} else {
2420 			lpfc_printf_log(phba, KERN_INFO,
2421 					LOG_DISCOVERY | LOG_ELS,
2422 					"6459 No FDMI VEN MI support - "
2423 					"RPA Success\n");
2424 		}
2425 		break;
2426 	}
2427 	return;
2428 }
2429 
2430 
2431 /**
2432  * lpfc_fdmi_change_check - Check for changed FDMI parameters
2433  * @vport: pointer to a host virtual N_Port data structure.
2434  *
2435  * Check how many mapped NPorts we are connected to
2436  * Check if our hostname changed
2437  * Called from hbeat timeout routine to check if any FDMI parameters
2438  * changed. If so, re-register those Attributes.
2439  */
2440 void
2441 lpfc_fdmi_change_check(struct lpfc_vport *vport)
2442 {
2443 	struct lpfc_hba *phba = vport->phba;
2444 	struct lpfc_nodelist *ndlp;
2445 	uint16_t cnt;
2446 
2447 	if (!lpfc_is_link_up(phba))
2448 		return;
2449 
2450 	/* Must be connected to a Fabric */
2451 	if (!(vport->fc_flag & FC_FABRIC))
2452 		return;
2453 
2454 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
2455 	if (!ndlp)
2456 		return;
2457 
2458 	/* Check if system hostname changed */
2459 	if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
2460 		memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
2461 		scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
2462 			  init_utsname()->nodename);
2463 		lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
2464 
2465 		/* Since this effects multiple HBA and PORT attributes, we need
2466 		 * de-register and go thru the whole FDMI registration cycle.
2467 		 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2468 		 * DPRT -> RPRT (vports)
2469 		 */
2470 		if (vport->port_type == LPFC_PHYSICAL_PORT) {
2471 			/* For extra Vendor RPA */
2472 			phba->link_flag &= ~LS_CT_VEN_RPA;
2473 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2474 		} else {
2475 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2476 			if (!ndlp)
2477 				return;
2478 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2479 		}
2480 
2481 		/* Since this code path registers all the port attributes
2482 		 * we can just return without further checking.
2483 		 */
2484 		return;
2485 	}
2486 
2487 	if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
2488 		return;
2489 
2490 	/* Check if the number of mapped NPorts changed */
2491 	cnt = lpfc_find_map_node(vport);
2492 	if (cnt == vport->fdmi_num_disc)
2493 		return;
2494 
2495 	if (vport->port_type == LPFC_PHYSICAL_PORT) {
2496 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
2497 			      LPFC_FDMI_PORT_ATTR_num_disc);
2498 	} else {
2499 		ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2500 		if (!ndlp)
2501 			return;
2502 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
2503 			      LPFC_FDMI_PORT_ATTR_num_disc);
2504 	}
2505 }
2506 
2507 /* Routines for all individual HBA attributes */
2508 static int
2509 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2510 {
2511 	struct lpfc_fdmi_attr_entry *ae;
2512 	uint32_t size;
2513 
2514 	ae = &ad->AttrValue;
2515 	memset(ae, 0, sizeof(*ae));
2516 
2517 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2518 	       sizeof(struct lpfc_name));
2519 	size = FOURBYTES + sizeof(struct lpfc_name);
2520 	ad->AttrLen = cpu_to_be16(size);
2521 	ad->AttrType = cpu_to_be16(RHBA_NODENAME);
2522 	return size;
2523 }
2524 static int
2525 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
2526 				struct lpfc_fdmi_attr_def *ad)
2527 {
2528 	struct lpfc_fdmi_attr_entry *ae;
2529 	uint32_t len, size;
2530 
2531 	ae = &ad->AttrValue;
2532 	memset(ae, 0, sizeof(*ae));
2533 
2534 	/* This string MUST be consistent with other FC platforms
2535 	 * supported by Broadcom.
2536 	 */
2537 	strncpy(ae->un.AttrString,
2538 		"Emulex Corporation",
2539 		       sizeof(ae->un.AttrString));
2540 	len = strnlen(ae->un.AttrString,
2541 			  sizeof(ae->un.AttrString));
2542 	len += (len & 3) ? (4 - (len & 3)) : 4;
2543 	size = FOURBYTES + len;
2544 	ad->AttrLen = cpu_to_be16(size);
2545 	ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
2546 	return size;
2547 }
2548 
2549 static int
2550 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2551 {
2552 	struct lpfc_hba *phba = vport->phba;
2553 	struct lpfc_fdmi_attr_entry *ae;
2554 	uint32_t len, size;
2555 
2556 	ae = &ad->AttrValue;
2557 	memset(ae, 0, sizeof(*ae));
2558 
2559 	strncpy(ae->un.AttrString, phba->SerialNumber,
2560 		sizeof(ae->un.AttrString));
2561 	len = strnlen(ae->un.AttrString,
2562 			  sizeof(ae->un.AttrString));
2563 	len += (len & 3) ? (4 - (len & 3)) : 4;
2564 	size = FOURBYTES + len;
2565 	ad->AttrLen = cpu_to_be16(size);
2566 	ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
2567 	return size;
2568 }
2569 
2570 static int
2571 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
2572 			 struct lpfc_fdmi_attr_def *ad)
2573 {
2574 	struct lpfc_hba *phba = vport->phba;
2575 	struct lpfc_fdmi_attr_entry *ae;
2576 	uint32_t len, size;
2577 
2578 	ae = &ad->AttrValue;
2579 	memset(ae, 0, sizeof(*ae));
2580 
2581 	strncpy(ae->un.AttrString, phba->ModelName,
2582 		sizeof(ae->un.AttrString));
2583 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2584 	len += (len & 3) ? (4 - (len & 3)) : 4;
2585 	size = FOURBYTES + len;
2586 	ad->AttrLen = cpu_to_be16(size);
2587 	ad->AttrType = cpu_to_be16(RHBA_MODEL);
2588 	return size;
2589 }
2590 
2591 static int
2592 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
2593 			       struct lpfc_fdmi_attr_def *ad)
2594 {
2595 	struct lpfc_hba *phba = vport->phba;
2596 	struct lpfc_fdmi_attr_entry *ae;
2597 	uint32_t len, size;
2598 
2599 	ae = &ad->AttrValue;
2600 	memset(ae, 0, sizeof(*ae));
2601 
2602 	strncpy(ae->un.AttrString, phba->ModelDesc,
2603 		sizeof(ae->un.AttrString));
2604 	len = strnlen(ae->un.AttrString,
2605 				  sizeof(ae->un.AttrString));
2606 	len += (len & 3) ? (4 - (len & 3)) : 4;
2607 	size = FOURBYTES + len;
2608 	ad->AttrLen = cpu_to_be16(size);
2609 	ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
2610 	return size;
2611 }
2612 
2613 static int
2614 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
2615 			   struct lpfc_fdmi_attr_def *ad)
2616 {
2617 	struct lpfc_hba *phba = vport->phba;
2618 	lpfc_vpd_t *vp = &phba->vpd;
2619 	struct lpfc_fdmi_attr_entry *ae;
2620 	uint32_t i, j, incr, size;
2621 
2622 	ae = &ad->AttrValue;
2623 	memset(ae, 0, sizeof(*ae));
2624 
2625 	/* Convert JEDEC ID to ascii for hardware version */
2626 	incr = vp->rev.biuRev;
2627 	for (i = 0; i < 8; i++) {
2628 		j = (incr & 0xf);
2629 		if (j <= 9)
2630 			ae->un.AttrString[7 - i] =
2631 			    (char)((uint8_t) 0x30 +
2632 				   (uint8_t) j);
2633 		else
2634 			ae->un.AttrString[7 - i] =
2635 			    (char)((uint8_t) 0x61 +
2636 				   (uint8_t) (j - 10));
2637 		incr = (incr >> 4);
2638 	}
2639 	size = FOURBYTES + 8;
2640 	ad->AttrLen = cpu_to_be16(size);
2641 	ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
2642 	return size;
2643 }
2644 
2645 static int
2646 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
2647 			    struct lpfc_fdmi_attr_def *ad)
2648 {
2649 	struct lpfc_fdmi_attr_entry *ae;
2650 	uint32_t len, size;
2651 
2652 	ae = &ad->AttrValue;
2653 	memset(ae, 0, sizeof(*ae));
2654 
2655 	strncpy(ae->un.AttrString, lpfc_release_version,
2656 		sizeof(ae->un.AttrString));
2657 	len = strnlen(ae->un.AttrString,
2658 			  sizeof(ae->un.AttrString));
2659 	len += (len & 3) ? (4 - (len & 3)) : 4;
2660 	size = FOURBYTES + len;
2661 	ad->AttrLen = cpu_to_be16(size);
2662 	ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
2663 	return size;
2664 }
2665 
2666 static int
2667 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
2668 			   struct lpfc_fdmi_attr_def *ad)
2669 {
2670 	struct lpfc_hba *phba = vport->phba;
2671 	struct lpfc_fdmi_attr_entry *ae;
2672 	uint32_t len, size;
2673 
2674 	ae = &ad->AttrValue;
2675 	memset(ae, 0, sizeof(*ae));
2676 
2677 	if (phba->sli_rev == LPFC_SLI_REV4)
2678 		lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2679 	else
2680 		strncpy(ae->un.AttrString, phba->OptionROMVersion,
2681 			sizeof(ae->un.AttrString));
2682 	len = strnlen(ae->un.AttrString,
2683 			  sizeof(ae->un.AttrString));
2684 	len += (len & 3) ? (4 - (len & 3)) : 4;
2685 	size = FOURBYTES + len;
2686 	ad->AttrLen = cpu_to_be16(size);
2687 	ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
2688 	return size;
2689 }
2690 
2691 static int
2692 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
2693 			   struct lpfc_fdmi_attr_def *ad)
2694 {
2695 	struct lpfc_hba *phba = vport->phba;
2696 	struct lpfc_fdmi_attr_entry *ae;
2697 	uint32_t len, size;
2698 
2699 	ae = &ad->AttrValue;
2700 	memset(ae, 0, sizeof(*ae));
2701 
2702 	lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2703 	len = strnlen(ae->un.AttrString,
2704 			  sizeof(ae->un.AttrString));
2705 	len += (len & 3) ? (4 - (len & 3)) : 4;
2706 	size = FOURBYTES + len;
2707 	ad->AttrLen = cpu_to_be16(size);
2708 	ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
2709 	return size;
2710 }
2711 
2712 static int
2713 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
2714 			  struct lpfc_fdmi_attr_def *ad)
2715 {
2716 	struct lpfc_fdmi_attr_entry *ae;
2717 	uint32_t len, size;
2718 
2719 	ae = &ad->AttrValue;
2720 	memset(ae, 0, sizeof(*ae));
2721 
2722 	snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
2723 		 init_utsname()->sysname,
2724 		 init_utsname()->release,
2725 		 init_utsname()->version);
2726 
2727 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2728 	len += (len & 3) ? (4 - (len & 3)) : 4;
2729 	size = FOURBYTES + len;
2730 	ad->AttrLen = cpu_to_be16(size);
2731 	ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
2732 	return size;
2733 }
2734 
2735 static int
2736 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
2737 			  struct lpfc_fdmi_attr_def *ad)
2738 {
2739 	struct lpfc_fdmi_attr_entry *ae;
2740 	uint32_t size;
2741 
2742 	ae = &ad->AttrValue;
2743 
2744 	ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
2745 	size = FOURBYTES + sizeof(uint32_t);
2746 	ad->AttrLen = cpu_to_be16(size);
2747 	ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
2748 	return size;
2749 }
2750 
2751 static int
2752 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
2753 				 struct lpfc_fdmi_attr_def *ad)
2754 {
2755 	struct lpfc_fdmi_attr_entry *ae;
2756 	uint32_t len, size;
2757 
2758 	ae = &ad->AttrValue;
2759 	memset(ae, 0, sizeof(*ae));
2760 
2761 	len = lpfc_vport_symbolic_node_name(vport,
2762 				ae->un.AttrString, 256);
2763 	len += (len & 3) ? (4 - (len & 3)) : 4;
2764 	size = FOURBYTES + len;
2765 	ad->AttrLen = cpu_to_be16(size);
2766 	ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
2767 	return size;
2768 }
2769 
2770 static int
2771 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
2772 			       struct lpfc_fdmi_attr_def *ad)
2773 {
2774 	struct lpfc_fdmi_attr_entry *ae;
2775 	uint32_t size;
2776 
2777 	ae = &ad->AttrValue;
2778 
2779 	/* Nothing is defined for this currently */
2780 	ae->un.AttrInt =  cpu_to_be32(0);
2781 	size = FOURBYTES + sizeof(uint32_t);
2782 	ad->AttrLen = cpu_to_be16(size);
2783 	ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
2784 	return size;
2785 }
2786 
2787 static int
2788 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
2789 			     struct lpfc_fdmi_attr_def *ad)
2790 {
2791 	struct lpfc_fdmi_attr_entry *ae;
2792 	uint32_t size;
2793 
2794 	ae = &ad->AttrValue;
2795 
2796 	/* Each driver instance corresponds to a single port */
2797 	ae->un.AttrInt =  cpu_to_be32(1);
2798 	size = FOURBYTES + sizeof(uint32_t);
2799 	ad->AttrLen = cpu_to_be16(size);
2800 	ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2801 	return size;
2802 }
2803 
2804 static int
2805 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2806 			       struct lpfc_fdmi_attr_def *ad)
2807 {
2808 	struct lpfc_fdmi_attr_entry *ae;
2809 	uint32_t size;
2810 
2811 	ae = &ad->AttrValue;
2812 	memset(ae, 0, sizeof(*ae));
2813 
2814 	memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2815 	       sizeof(struct lpfc_name));
2816 	size = FOURBYTES + sizeof(struct lpfc_name);
2817 	ad->AttrLen = cpu_to_be16(size);
2818 	ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2819 	return size;
2820 }
2821 
2822 static int
2823 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2824 			    struct lpfc_fdmi_attr_def *ad)
2825 {
2826 	struct lpfc_hba *phba = vport->phba;
2827 	struct lpfc_fdmi_attr_entry *ae;
2828 	uint32_t len, size;
2829 
2830 	ae = &ad->AttrValue;
2831 	memset(ae, 0, sizeof(*ae));
2832 
2833 	strlcat(ae->un.AttrString, phba->BIOSVersion,
2834 		sizeof(ae->un.AttrString));
2835 	len = strnlen(ae->un.AttrString,
2836 			  sizeof(ae->un.AttrString));
2837 	len += (len & 3) ? (4 - (len & 3)) : 4;
2838 	size = FOURBYTES + len;
2839 	ad->AttrLen = cpu_to_be16(size);
2840 	ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2841 	return size;
2842 }
2843 
2844 static int
2845 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2846 			      struct lpfc_fdmi_attr_def *ad)
2847 {
2848 	struct lpfc_fdmi_attr_entry *ae;
2849 	uint32_t size;
2850 
2851 	ae = &ad->AttrValue;
2852 
2853 	/* Driver doesn't have access to this information */
2854 	ae->un.AttrInt =  cpu_to_be32(0);
2855 	size = FOURBYTES + sizeof(uint32_t);
2856 	ad->AttrLen = cpu_to_be16(size);
2857 	ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2858 	return size;
2859 }
2860 
2861 static int
2862 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2863 			     struct lpfc_fdmi_attr_def *ad)
2864 {
2865 	struct lpfc_fdmi_attr_entry *ae;
2866 	uint32_t len, size;
2867 
2868 	ae = &ad->AttrValue;
2869 	memset(ae, 0, sizeof(*ae));
2870 
2871 	strncpy(ae->un.AttrString, "EMULEX",
2872 		sizeof(ae->un.AttrString));
2873 	len = strnlen(ae->un.AttrString,
2874 			  sizeof(ae->un.AttrString));
2875 	len += (len & 3) ? (4 - (len & 3)) : 4;
2876 	size = FOURBYTES + len;
2877 	ad->AttrLen = cpu_to_be16(size);
2878 	ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2879 	return size;
2880 }
2881 
2882 /* Routines for all individual PORT attributes */
2883 static int
2884 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2885 			    struct lpfc_fdmi_attr_def *ad)
2886 {
2887 	struct lpfc_hba   *phba = vport->phba;
2888 	struct lpfc_fdmi_attr_entry *ae;
2889 	uint32_t size;
2890 
2891 	ae = &ad->AttrValue;
2892 	memset(ae, 0, sizeof(*ae));
2893 
2894 	ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
2895 	ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
2896 
2897 	/* Check to see if Firmware supports NVME and on physical port */
2898 	if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
2899 	    phba->sli4_hba.pc_sli4_params.nvme)
2900 		ae->un.AttrTypes[6] = 0x01; /* Type 0x28 - NVME */
2901 
2902 	size = FOURBYTES + 32;
2903 	ad->AttrLen = cpu_to_be16(size);
2904 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2905 	return size;
2906 }
2907 
2908 static int
2909 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2910 				  struct lpfc_fdmi_attr_def *ad)
2911 {
2912 	struct lpfc_hba   *phba = vport->phba;
2913 	struct lpfc_fdmi_attr_entry *ae;
2914 	uint32_t size;
2915 	u32 tcfg;
2916 	u8 i, cnt;
2917 
2918 	ae = &ad->AttrValue;
2919 
2920 	ae->un.AttrInt = 0;
2921 	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2922 		cnt = 0;
2923 		if (phba->sli_rev == LPFC_SLI_REV4) {
2924 			tcfg = phba->sli4_hba.conf_trunk;
2925 			for (i = 0; i < 4; i++, tcfg >>= 1)
2926 				if (tcfg & 1)
2927 					cnt++;
2928 		}
2929 
2930 		if (cnt > 2) { /* 4 lane trunk group */
2931 			if (phba->lmt & LMT_64Gb)
2932 				ae->un.AttrInt |= HBA_PORTSPEED_256GFC;
2933 			if (phba->lmt & LMT_32Gb)
2934 				ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2935 			if (phba->lmt & LMT_16Gb)
2936 				ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2937 		} else if (cnt) { /* 2 lane trunk group */
2938 			if (phba->lmt & LMT_128Gb)
2939 				ae->un.AttrInt |= HBA_PORTSPEED_256GFC;
2940 			if (phba->lmt & LMT_64Gb)
2941 				ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2942 			if (phba->lmt & LMT_32Gb)
2943 				ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2944 			if (phba->lmt & LMT_16Gb)
2945 				ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2946 		} else {
2947 			if (phba->lmt & LMT_256Gb)
2948 				ae->un.AttrInt |= HBA_PORTSPEED_256GFC;
2949 			if (phba->lmt & LMT_128Gb)
2950 				ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2951 			if (phba->lmt & LMT_64Gb)
2952 				ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2953 			if (phba->lmt & LMT_32Gb)
2954 				ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2955 			if (phba->lmt & LMT_16Gb)
2956 				ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2957 			if (phba->lmt & LMT_10Gb)
2958 				ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2959 			if (phba->lmt & LMT_8Gb)
2960 				ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2961 			if (phba->lmt & LMT_4Gb)
2962 				ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2963 			if (phba->lmt & LMT_2Gb)
2964 				ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2965 			if (phba->lmt & LMT_1Gb)
2966 				ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2967 		}
2968 	} else {
2969 		/* FCoE links support only one speed */
2970 		switch (phba->fc_linkspeed) {
2971 		case LPFC_ASYNC_LINK_SPEED_10GBPS:
2972 			ae->un.AttrInt = HBA_PORTSPEED_10GE;
2973 			break;
2974 		case LPFC_ASYNC_LINK_SPEED_25GBPS:
2975 			ae->un.AttrInt = HBA_PORTSPEED_25GE;
2976 			break;
2977 		case LPFC_ASYNC_LINK_SPEED_40GBPS:
2978 			ae->un.AttrInt = HBA_PORTSPEED_40GE;
2979 			break;
2980 		case LPFC_ASYNC_LINK_SPEED_100GBPS:
2981 			ae->un.AttrInt = HBA_PORTSPEED_100GE;
2982 			break;
2983 		}
2984 	}
2985 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2986 	size = FOURBYTES + sizeof(uint32_t);
2987 	ad->AttrLen = cpu_to_be16(size);
2988 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2989 	return size;
2990 }
2991 
2992 static int
2993 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2994 			  struct lpfc_fdmi_attr_def *ad)
2995 {
2996 	struct lpfc_hba   *phba = vport->phba;
2997 	struct lpfc_fdmi_attr_entry *ae;
2998 	uint32_t size;
2999 
3000 	ae = &ad->AttrValue;
3001 
3002 	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
3003 		switch (phba->fc_linkspeed) {
3004 		case LPFC_LINK_SPEED_1GHZ:
3005 			ae->un.AttrInt = HBA_PORTSPEED_1GFC;
3006 			break;
3007 		case LPFC_LINK_SPEED_2GHZ:
3008 			ae->un.AttrInt = HBA_PORTSPEED_2GFC;
3009 			break;
3010 		case LPFC_LINK_SPEED_4GHZ:
3011 			ae->un.AttrInt = HBA_PORTSPEED_4GFC;
3012 			break;
3013 		case LPFC_LINK_SPEED_8GHZ:
3014 			ae->un.AttrInt = HBA_PORTSPEED_8GFC;
3015 			break;
3016 		case LPFC_LINK_SPEED_10GHZ:
3017 			ae->un.AttrInt = HBA_PORTSPEED_10GFC;
3018 			break;
3019 		case LPFC_LINK_SPEED_16GHZ:
3020 			ae->un.AttrInt = HBA_PORTSPEED_16GFC;
3021 			break;
3022 		case LPFC_LINK_SPEED_32GHZ:
3023 			ae->un.AttrInt = HBA_PORTSPEED_32GFC;
3024 			break;
3025 		case LPFC_LINK_SPEED_64GHZ:
3026 			ae->un.AttrInt = HBA_PORTSPEED_64GFC;
3027 			break;
3028 		case LPFC_LINK_SPEED_128GHZ:
3029 			ae->un.AttrInt = HBA_PORTSPEED_128GFC;
3030 			break;
3031 		case LPFC_LINK_SPEED_256GHZ:
3032 			ae->un.AttrInt = HBA_PORTSPEED_256GFC;
3033 			break;
3034 		default:
3035 			ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
3036 			break;
3037 		}
3038 	} else {
3039 		switch (phba->fc_linkspeed) {
3040 		case LPFC_ASYNC_LINK_SPEED_10GBPS:
3041 			ae->un.AttrInt = HBA_PORTSPEED_10GE;
3042 			break;
3043 		case LPFC_ASYNC_LINK_SPEED_25GBPS:
3044 			ae->un.AttrInt = HBA_PORTSPEED_25GE;
3045 			break;
3046 		case LPFC_ASYNC_LINK_SPEED_40GBPS:
3047 			ae->un.AttrInt = HBA_PORTSPEED_40GE;
3048 			break;
3049 		case LPFC_ASYNC_LINK_SPEED_100GBPS:
3050 			ae->un.AttrInt = HBA_PORTSPEED_100GE;
3051 			break;
3052 		default:
3053 			ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
3054 			break;
3055 		}
3056 	}
3057 
3058 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
3059 	size = FOURBYTES + sizeof(uint32_t);
3060 	ad->AttrLen = cpu_to_be16(size);
3061 	ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
3062 	return size;
3063 }
3064 
3065 static int
3066 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
3067 			      struct lpfc_fdmi_attr_def *ad)
3068 {
3069 	struct serv_parm *hsp;
3070 	struct lpfc_fdmi_attr_entry *ae;
3071 	uint32_t size;
3072 
3073 	ae = &ad->AttrValue;
3074 
3075 	hsp = (struct serv_parm *)&vport->fc_sparam;
3076 	ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
3077 			  (uint32_t) hsp->cmn.bbRcvSizeLsb;
3078 	ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
3079 	size = FOURBYTES + sizeof(uint32_t);
3080 	ad->AttrLen = cpu_to_be16(size);
3081 	ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
3082 	return size;
3083 }
3084 
3085 static int
3086 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
3087 			       struct lpfc_fdmi_attr_def *ad)
3088 {
3089 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3090 	struct lpfc_fdmi_attr_entry *ae;
3091 	uint32_t len, size;
3092 
3093 	ae = &ad->AttrValue;
3094 	memset(ae, 0, sizeof(*ae));
3095 
3096 	snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
3097 		 "/sys/class/scsi_host/host%d", shost->host_no);
3098 	len = strnlen((char *)ae->un.AttrString,
3099 			  sizeof(ae->un.AttrString));
3100 	len += (len & 3) ? (4 - (len & 3)) : 4;
3101 	size = FOURBYTES + len;
3102 	ad->AttrLen = cpu_to_be16(size);
3103 	ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
3104 	return size;
3105 }
3106 
3107 static int
3108 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
3109 			      struct lpfc_fdmi_attr_def *ad)
3110 {
3111 	struct lpfc_fdmi_attr_entry *ae;
3112 	uint32_t len, size;
3113 
3114 	ae = &ad->AttrValue;
3115 	memset(ae, 0, sizeof(*ae));
3116 
3117 	scnprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
3118 		  vport->phba->os_host_name);
3119 
3120 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3121 	len += (len & 3) ? (4 - (len & 3)) : 4;
3122 	size = FOURBYTES + len;
3123 	ad->AttrLen = cpu_to_be16(size);
3124 	ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
3125 	return size;
3126 }
3127 
3128 static int
3129 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
3130 			 struct lpfc_fdmi_attr_def *ad)
3131 {
3132 	struct lpfc_fdmi_attr_entry *ae;
3133 	uint32_t size;
3134 
3135 	ae = &ad->AttrValue;
3136 	memset(ae, 0, sizeof(*ae));
3137 
3138 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
3139 	       sizeof(struct lpfc_name));
3140 	size = FOURBYTES + sizeof(struct lpfc_name);
3141 	ad->AttrLen = cpu_to_be16(size);
3142 	ad->AttrType = cpu_to_be16(RPRT_NODENAME);
3143 	return size;
3144 }
3145 
3146 static int
3147 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
3148 			 struct lpfc_fdmi_attr_def *ad)
3149 {
3150 	struct lpfc_fdmi_attr_entry *ae;
3151 	uint32_t size;
3152 
3153 	ae = &ad->AttrValue;
3154 	memset(ae, 0, sizeof(*ae));
3155 
3156 	memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
3157 	       sizeof(struct lpfc_name));
3158 	size = FOURBYTES + sizeof(struct lpfc_name);
3159 	ad->AttrLen = cpu_to_be16(size);
3160 	ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
3161 	return size;
3162 }
3163 
3164 static int
3165 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
3166 				  struct lpfc_fdmi_attr_def *ad)
3167 {
3168 	struct lpfc_fdmi_attr_entry *ae;
3169 	uint32_t len, size;
3170 
3171 	ae = &ad->AttrValue;
3172 	memset(ae, 0, sizeof(*ae));
3173 
3174 	len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
3175 	len += (len & 3) ? (4 - (len & 3)) : 4;
3176 	size = FOURBYTES + len;
3177 	ad->AttrLen = cpu_to_be16(size);
3178 	ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
3179 	return size;
3180 }
3181 
3182 static int
3183 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
3184 			      struct lpfc_fdmi_attr_def *ad)
3185 {
3186 	struct lpfc_hba *phba = vport->phba;
3187 	struct lpfc_fdmi_attr_entry *ae;
3188 	uint32_t size;
3189 
3190 	ae = &ad->AttrValue;
3191 	if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
3192 		ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
3193 	else
3194 		ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
3195 	size = FOURBYTES + sizeof(uint32_t);
3196 	ad->AttrLen = cpu_to_be16(size);
3197 	ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
3198 	return size;
3199 }
3200 
3201 static int
3202 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
3203 			  struct lpfc_fdmi_attr_def *ad)
3204 {
3205 	struct lpfc_fdmi_attr_entry *ae;
3206 	uint32_t size;
3207 
3208 	ae = &ad->AttrValue;
3209 	ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
3210 	size = FOURBYTES + sizeof(uint32_t);
3211 	ad->AttrLen = cpu_to_be16(size);
3212 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
3213 	return size;
3214 }
3215 
3216 static int
3217 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
3218 				struct lpfc_fdmi_attr_def *ad)
3219 {
3220 	struct lpfc_fdmi_attr_entry *ae;
3221 	uint32_t size;
3222 
3223 	ae = &ad->AttrValue;
3224 	memset(ae, 0, sizeof(*ae));
3225 
3226 	memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
3227 	       sizeof(struct lpfc_name));
3228 	size = FOURBYTES + sizeof(struct lpfc_name);
3229 	ad->AttrLen = cpu_to_be16(size);
3230 	ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
3231 	return size;
3232 }
3233 
3234 static int
3235 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
3236 				   struct lpfc_fdmi_attr_def *ad)
3237 {
3238 	struct lpfc_hba *phba = vport->phba;
3239 	struct lpfc_fdmi_attr_entry *ae;
3240 	uint32_t size;
3241 
3242 	ae = &ad->AttrValue;
3243 	memset(ae, 0, sizeof(*ae));
3244 
3245 	ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
3246 	ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
3247 
3248 	/* Check to see if NVME is configured or not */
3249 	if (vport == phba->pport &&
3250 	    phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
3251 		ae->un.AttrTypes[6] = 0x1; /* Type 0x28 - NVME */
3252 
3253 	size = FOURBYTES + 32;
3254 	ad->AttrLen = cpu_to_be16(size);
3255 	ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
3256 	return size;
3257 }
3258 
3259 static int
3260 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
3261 			       struct lpfc_fdmi_attr_def *ad)
3262 {
3263 	struct lpfc_fdmi_attr_entry *ae;
3264 	uint32_t size;
3265 
3266 	ae = &ad->AttrValue;
3267 	/* Link Up - operational */
3268 	ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
3269 	size = FOURBYTES + sizeof(uint32_t);
3270 	ad->AttrLen = cpu_to_be16(size);
3271 	ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
3272 	return size;
3273 }
3274 
3275 static int
3276 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
3277 			     struct lpfc_fdmi_attr_def *ad)
3278 {
3279 	struct lpfc_fdmi_attr_entry *ae;
3280 	uint32_t size;
3281 
3282 	ae = &ad->AttrValue;
3283 	vport->fdmi_num_disc = lpfc_find_map_node(vport);
3284 	ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
3285 	size = FOURBYTES + sizeof(uint32_t);
3286 	ad->AttrLen = cpu_to_be16(size);
3287 	ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
3288 	return size;
3289 }
3290 
3291 static int
3292 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
3293 			    struct lpfc_fdmi_attr_def *ad)
3294 {
3295 	struct lpfc_fdmi_attr_entry *ae;
3296 	uint32_t size;
3297 
3298 	ae = &ad->AttrValue;
3299 	ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
3300 	size = FOURBYTES + sizeof(uint32_t);
3301 	ad->AttrLen = cpu_to_be16(size);
3302 	ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
3303 	return size;
3304 }
3305 
3306 static int
3307 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
3308 			     struct lpfc_fdmi_attr_def *ad)
3309 {
3310 	struct lpfc_fdmi_attr_entry *ae;
3311 	uint32_t len, size;
3312 
3313 	ae = &ad->AttrValue;
3314 	memset(ae, 0, sizeof(*ae));
3315 
3316 	strncpy(ae->un.AttrString, "Smart SAN Initiator",
3317 		sizeof(ae->un.AttrString));
3318 	len = strnlen(ae->un.AttrString,
3319 			  sizeof(ae->un.AttrString));
3320 	len += (len & 3) ? (4 - (len & 3)) : 4;
3321 	size = FOURBYTES + len;
3322 	ad->AttrLen = cpu_to_be16(size);
3323 	ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
3324 	return size;
3325 }
3326 
3327 static int
3328 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
3329 			  struct lpfc_fdmi_attr_def *ad)
3330 {
3331 	struct lpfc_fdmi_attr_entry *ae;
3332 	uint32_t size;
3333 
3334 	ae = &ad->AttrValue;
3335 	memset(ae, 0, sizeof(*ae));
3336 
3337 	memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
3338 	       sizeof(struct lpfc_name));
3339 	memcpy((((uint8_t *)&ae->un.AttrString) +
3340 		sizeof(struct lpfc_name)),
3341 		&vport->fc_sparam.portName, sizeof(struct lpfc_name));
3342 	size = FOURBYTES + (2 * sizeof(struct lpfc_name));
3343 	ad->AttrLen =  cpu_to_be16(size);
3344 	ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
3345 	return size;
3346 }
3347 
3348 static int
3349 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
3350 			     struct lpfc_fdmi_attr_def *ad)
3351 {
3352 	struct lpfc_fdmi_attr_entry *ae;
3353 	uint32_t len, size;
3354 
3355 	ae = &ad->AttrValue;
3356 	memset(ae, 0, sizeof(*ae));
3357 
3358 	strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
3359 		sizeof(ae->un.AttrString));
3360 	len = strnlen(ae->un.AttrString,
3361 			  sizeof(ae->un.AttrString));
3362 	len += (len & 3) ? (4 - (len & 3)) : 4;
3363 	size = FOURBYTES + len;
3364 	ad->AttrLen =  cpu_to_be16(size);
3365 	ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
3366 	return size;
3367 }
3368 
3369 static int
3370 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
3371 			   struct lpfc_fdmi_attr_def *ad)
3372 {
3373 	struct lpfc_hba *phba = vport->phba;
3374 	struct lpfc_fdmi_attr_entry *ae;
3375 	uint32_t len, size;
3376 
3377 	ae = &ad->AttrValue;
3378 	memset(ae, 0, sizeof(*ae));
3379 
3380 	strncpy(ae->un.AttrString, phba->ModelName,
3381 		sizeof(ae->un.AttrString));
3382 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3383 	len += (len & 3) ? (4 - (len & 3)) : 4;
3384 	size = FOURBYTES + len;
3385 	ad->AttrLen = cpu_to_be16(size);
3386 	ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
3387 	return size;
3388 }
3389 
3390 static int
3391 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
3392 			       struct lpfc_fdmi_attr_def *ad)
3393 {
3394 	struct lpfc_fdmi_attr_entry *ae;
3395 	uint32_t size;
3396 
3397 	ae = &ad->AttrValue;
3398 
3399 	/* SRIOV (type 3) is not supported */
3400 	if (vport->vpi)
3401 		ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
3402 	else
3403 		ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
3404 	size = FOURBYTES + sizeof(uint32_t);
3405 	ad->AttrLen = cpu_to_be16(size);
3406 	ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
3407 	return size;
3408 }
3409 
3410 static int
3411 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
3412 			 struct lpfc_fdmi_attr_def *ad)
3413 {
3414 	struct lpfc_fdmi_attr_entry *ae;
3415 	uint32_t size;
3416 
3417 	ae = &ad->AttrValue;
3418 	ae->un.AttrInt =  cpu_to_be32(0);
3419 	size = FOURBYTES + sizeof(uint32_t);
3420 	ad->AttrLen = cpu_to_be16(size);
3421 	ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
3422 	return size;
3423 }
3424 
3425 static int
3426 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
3427 			      struct lpfc_fdmi_attr_def *ad)
3428 {
3429 	struct lpfc_fdmi_attr_entry *ae;
3430 	uint32_t size;
3431 
3432 	ae = &ad->AttrValue;
3433 	ae->un.AttrInt =  cpu_to_be32(1);
3434 	size = FOURBYTES + sizeof(uint32_t);
3435 	ad->AttrLen = cpu_to_be16(size);
3436 	ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
3437 	return size;
3438 }
3439 
3440 static int
3441 lpfc_fdmi_vendor_attr_mi(struct lpfc_vport *vport,
3442 			  struct lpfc_fdmi_attr_def *ad)
3443 {
3444 	struct lpfc_hba *phba = vport->phba;
3445 	struct lpfc_fdmi_attr_entry *ae;
3446 	uint32_t len, size;
3447 	char mibrevision[16];
3448 
3449 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
3450 	memset(ae, 0, 256);
3451 	sprintf(mibrevision, "ELXE2EM:%04d",
3452 		phba->sli4_hba.pc_sli4_params.mi_ver);
3453 	strncpy(ae->un.AttrString, &mibrevision[0], sizeof(ae->un.AttrString));
3454 	len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3455 	len += (len & 3) ? (4 - (len & 3)) : 4;
3456 	size = FOURBYTES + len;
3457 	ad->AttrLen = cpu_to_be16(size);
3458 	ad->AttrType = cpu_to_be16(RPRT_VENDOR_MI);
3459 	return size;
3460 }
3461 
3462 /* RHBA attribute jump table */
3463 int (*lpfc_fdmi_hba_action[])
3464 	(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3465 	/* Action routine                 Mask bit     Attribute type */
3466 	lpfc_fdmi_hba_attr_wwnn,	  /* bit0     RHBA_NODENAME           */
3467 	lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
3468 	lpfc_fdmi_hba_attr_sn,		  /* bit2     RHBA_SERIAL_NUMBER      */
3469 	lpfc_fdmi_hba_attr_model,	  /* bit3     RHBA_MODEL              */
3470 	lpfc_fdmi_hba_attr_description,	  /* bit4     RHBA_MODEL_DESCRIPTION  */
3471 	lpfc_fdmi_hba_attr_hdw_ver,	  /* bit5     RHBA_HARDWARE_VERSION   */
3472 	lpfc_fdmi_hba_attr_drvr_ver,	  /* bit6     RHBA_DRIVER_VERSION     */
3473 	lpfc_fdmi_hba_attr_rom_ver,	  /* bit7     RHBA_OPTION_ROM_VERSION */
3474 	lpfc_fdmi_hba_attr_fmw_ver,	  /* bit8     RHBA_FIRMWARE_VERSION   */
3475 	lpfc_fdmi_hba_attr_os_ver,	  /* bit9     RHBA_OS_NAME_VERSION    */
3476 	lpfc_fdmi_hba_attr_ct_len,	  /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
3477 	lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
3478 	lpfc_fdmi_hba_attr_vendor_info,	  /* bit12    RHBA_VENDOR_INFO        */
3479 	lpfc_fdmi_hba_attr_num_ports,	  /* bit13    RHBA_NUM_PORTS          */
3480 	lpfc_fdmi_hba_attr_fabric_wwnn,	  /* bit14    RHBA_FABRIC_WWNN        */
3481 	lpfc_fdmi_hba_attr_bios_ver,	  /* bit15    RHBA_BIOS_VERSION       */
3482 	lpfc_fdmi_hba_attr_bios_state,	  /* bit16    RHBA_BIOS_STATE         */
3483 	lpfc_fdmi_hba_attr_vendor_id,	  /* bit17    RHBA_VENDOR_ID          */
3484 };
3485 
3486 /* RPA / RPRT attribute jump table */
3487 int (*lpfc_fdmi_port_action[])
3488 	(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3489 	/* Action routine                   Mask bit   Attribute type */
3490 	lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
3491 	lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
3492 	lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
3493 	lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
3494 	lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
3495 	lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
3496 	lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
3497 	lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
3498 	lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
3499 	lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
3500 	lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
3501 	lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
3502 	lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
3503 	lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
3504 	lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
3505 	lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
3506 	lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
3507 	lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
3508 	lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
3509 	lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
3510 	lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
3511 	lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
3512 	lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
3513 	lpfc_fdmi_vendor_attr_mi,           /* bit23  RPRT_VENDOR_MI          */
3514 };
3515 
3516 /**
3517  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
3518  * @vport: pointer to a host virtual N_Port data structure.
3519  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3520  * @cmdcode: FDMI command to send
3521  * @new_mask: Mask of HBA or PORT Attributes to send
3522  *
3523  * Builds and sends a FDMI command using the CT subsystem.
3524  */
3525 int
3526 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3527 	      int cmdcode, uint32_t new_mask)
3528 {
3529 	struct lpfc_hba *phba = vport->phba;
3530 	struct lpfc_dmabuf *mp, *bmp;
3531 	struct lpfc_sli_ct_request *CtReq;
3532 	struct ulp_bde64 *bpl;
3533 	uint32_t bit_pos;
3534 	uint32_t size;
3535 	uint32_t rsp_size;
3536 	uint32_t mask;
3537 	struct lpfc_fdmi_reg_hba *rh;
3538 	struct lpfc_fdmi_port_entry *pe;
3539 	struct lpfc_fdmi_reg_portattr *pab = NULL;
3540 	struct lpfc_fdmi_attr_block *ab = NULL;
3541 	int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
3542 	void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
3543 		     struct lpfc_iocbq *);
3544 
3545 	if (!ndlp)
3546 		return 0;
3547 
3548 	cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
3549 
3550 	/* fill in BDEs for command */
3551 	/* Allocate buffer for command payload */
3552 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3553 	if (!mp)
3554 		goto fdmi_cmd_exit;
3555 
3556 	mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
3557 	if (!mp->virt)
3558 		goto fdmi_cmd_free_mp;
3559 
3560 	/* Allocate buffer for Buffer ptr list */
3561 	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3562 	if (!bmp)
3563 		goto fdmi_cmd_free_mpvirt;
3564 
3565 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
3566 	if (!bmp->virt)
3567 		goto fdmi_cmd_free_bmp;
3568 
3569 	INIT_LIST_HEAD(&mp->list);
3570 	INIT_LIST_HEAD(&bmp->list);
3571 
3572 	/* FDMI request */
3573 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3574 			 "0218 FDMI Request x%x mask x%x Data: x%x x%x x%x\n",
3575 			 cmdcode, new_mask, vport->fdmi_port_mask,
3576 			 vport->fc_flag, vport->port_state);
3577 
3578 	CtReq = (struct lpfc_sli_ct_request *)mp->virt;
3579 
3580 	/* First populate the CT_IU preamble */
3581 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
3582 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
3583 	CtReq->RevisionId.bits.InId = 0;
3584 
3585 	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3586 	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
3587 
3588 	CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3589 	rsp_size = LPFC_BPL_SIZE;
3590 	size = 0;
3591 
3592 	/* Next fill in the specific FDMI cmd information */
3593 	switch (cmdcode) {
3594 	case SLI_MGMT_RHAT:
3595 	case SLI_MGMT_RHBA:
3596 		rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
3597 		/* HBA Identifier */
3598 		memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3599 		       sizeof(struct lpfc_name));
3600 
3601 		if (cmdcode == SLI_MGMT_RHBA) {
3602 			/* Registered Port List */
3603 			/* One entry (port) per adapter */
3604 			rh->rpl.EntryCnt = cpu_to_be32(1);
3605 			memcpy(&rh->rpl.pe.PortName,
3606 			       &phba->pport->fc_sparam.portName,
3607 			       sizeof(struct lpfc_name));
3608 
3609 			/* point to the HBA attribute block */
3610 			size = 2 * sizeof(struct lpfc_name) +
3611 				FOURBYTES;
3612 		} else {
3613 			size = sizeof(struct lpfc_name);
3614 		}
3615 		ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3616 		ab->EntryCnt = 0;
3617 		size += FOURBYTES;
3618 		bit_pos = 0;
3619 		if (new_mask)
3620 			mask = new_mask;
3621 		else
3622 			mask = vport->fdmi_hba_mask;
3623 
3624 		/* Mask will dictate what attributes to build in the request */
3625 		while (mask) {
3626 			if (mask & 0x1) {
3627 				func = lpfc_fdmi_hba_action[bit_pos];
3628 				size += func(vport,
3629 					     (struct lpfc_fdmi_attr_def *)
3630 					     ((uint8_t *)rh + size));
3631 				ab->EntryCnt++;
3632 				if ((size + 256) >
3633 				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3634 					goto hba_out;
3635 			}
3636 			mask = mask >> 1;
3637 			bit_pos++;
3638 		}
3639 hba_out:
3640 		ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3641 		/* Total size */
3642 		size = GID_REQUEST_SZ - 4 + size;
3643 		break;
3644 
3645 	case SLI_MGMT_RPRT:
3646 		if (vport->port_type != LPFC_PHYSICAL_PORT) {
3647 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3648 			if (!ndlp)
3649 				return 0;
3650 		}
3651 		fallthrough;
3652 	case SLI_MGMT_RPA:
3653 		pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
3654 		if (cmdcode == SLI_MGMT_RPRT) {
3655 			rh = (struct lpfc_fdmi_reg_hba *)pab;
3656 			/* HBA Identifier */
3657 			memcpy(&rh->hi.PortName,
3658 			       &phba->pport->fc_sparam.portName,
3659 			       sizeof(struct lpfc_name));
3660 			pab = (struct lpfc_fdmi_reg_portattr *)
3661 				((uint8_t *)pab +  sizeof(struct lpfc_name));
3662 		}
3663 
3664 		memcpy((uint8_t *)&pab->PortName,
3665 		       (uint8_t *)&vport->fc_sparam.portName,
3666 		       sizeof(struct lpfc_name));
3667 		size += sizeof(struct lpfc_name) + FOURBYTES;
3668 		pab->ab.EntryCnt = 0;
3669 		bit_pos = 0;
3670 		if (new_mask)
3671 			mask = new_mask;
3672 		else
3673 			mask = vport->fdmi_port_mask;
3674 
3675 		/* Mask will dictate what attributes to build in the request */
3676 		while (mask) {
3677 			if (mask & 0x1) {
3678 				func = lpfc_fdmi_port_action[bit_pos];
3679 				size += func(vport,
3680 					     (struct lpfc_fdmi_attr_def *)
3681 					     ((uint8_t *)pab + size));
3682 				pab->ab.EntryCnt++;
3683 				if ((size + 256) >
3684 				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3685 					goto port_out;
3686 			}
3687 			mask = mask >> 1;
3688 			bit_pos++;
3689 		}
3690 port_out:
3691 		pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3692 		/* Total size */
3693 		if (cmdcode == SLI_MGMT_RPRT)
3694 			size += sizeof(struct lpfc_name);
3695 		size = GID_REQUEST_SZ - 4 + size;
3696 		break;
3697 
3698 	case SLI_MGMT_GHAT:
3699 	case SLI_MGMT_GRPL:
3700 		rsp_size = FC_MAX_NS_RSP;
3701 		fallthrough;
3702 	case SLI_MGMT_DHBA:
3703 	case SLI_MGMT_DHAT:
3704 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3705 		memcpy((uint8_t *)&pe->PortName,
3706 		       (uint8_t *)&vport->fc_sparam.portName,
3707 		       sizeof(struct lpfc_name));
3708 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3709 		break;
3710 
3711 	case SLI_MGMT_GPAT:
3712 	case SLI_MGMT_GPAS:
3713 		rsp_size = FC_MAX_NS_RSP;
3714 		fallthrough;
3715 	case SLI_MGMT_DPRT:
3716 		if (vport->port_type != LPFC_PHYSICAL_PORT) {
3717 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3718 			if (!ndlp)
3719 				return 0;
3720 		}
3721 		fallthrough;
3722 	case SLI_MGMT_DPA:
3723 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3724 		memcpy((uint8_t *)&pe->PortName,
3725 		       (uint8_t *)&vport->fc_sparam.portName,
3726 		       sizeof(struct lpfc_name));
3727 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3728 		break;
3729 	case SLI_MGMT_GRHL:
3730 		size = GID_REQUEST_SZ - 4;
3731 		break;
3732 	default:
3733 		lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3734 				 "0298 FDMI cmdcode x%x not supported\n",
3735 				 cmdcode);
3736 		goto fdmi_cmd_free_bmpvirt;
3737 	}
3738 	CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3739 
3740 	bpl = (struct ulp_bde64 *)bmp->virt;
3741 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
3742 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
3743 	bpl->tus.f.bdeFlags = 0;
3744 	bpl->tus.f.bdeSize = size;
3745 
3746 	/*
3747 	 * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3748 	 * to hold ndlp reference for the corresponding callback function.
3749 	 */
3750 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
3751 		return 0;
3752 
3753 fdmi_cmd_free_bmpvirt:
3754 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3755 fdmi_cmd_free_bmp:
3756 	kfree(bmp);
3757 fdmi_cmd_free_mpvirt:
3758 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
3759 fdmi_cmd_free_mp:
3760 	kfree(mp);
3761 fdmi_cmd_exit:
3762 	/* Issue FDMI request failed */
3763 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3764 			 "0244 Issue FDMI request failed Data: x%x\n",
3765 			 cmdcode);
3766 	return 1;
3767 }
3768 
3769 /**
3770  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3771  * @t: Context object of the timer.
3772  *
3773  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3774  * the worker thread.
3775  **/
3776 void
3777 lpfc_delayed_disc_tmo(struct timer_list *t)
3778 {
3779 	struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3780 	struct lpfc_hba   *phba = vport->phba;
3781 	uint32_t tmo_posted;
3782 	unsigned long iflag;
3783 
3784 	spin_lock_irqsave(&vport->work_port_lock, iflag);
3785 	tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3786 	if (!tmo_posted)
3787 		vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3788 	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3789 
3790 	if (!tmo_posted)
3791 		lpfc_worker_wake_up(phba);
3792 	return;
3793 }
3794 
3795 /**
3796  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3797  *      handle delayed discovery.
3798  * @vport: pointer to a host virtual N_Port data structure.
3799  *
3800  * This function start nport discovery of the vport.
3801  **/
3802 void
3803 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3804 {
3805 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3806 
3807 	spin_lock_irq(shost->host_lock);
3808 	if (!(vport->fc_flag & FC_DISC_DELAYED)) {
3809 		spin_unlock_irq(shost->host_lock);
3810 		return;
3811 	}
3812 	vport->fc_flag &= ~FC_DISC_DELAYED;
3813 	spin_unlock_irq(shost->host_lock);
3814 
3815 	lpfc_do_scr_ns_plogi(vport->phba, vport);
3816 }
3817 
3818 void
3819 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3820 {
3821 	struct lpfc_sli *psli = &phba->sli;
3822 	lpfc_vpd_t *vp = &phba->vpd;
3823 	uint32_t b1, b2, b3, b4, i, rev;
3824 	char c;
3825 	uint32_t *ptr, str[4];
3826 	uint8_t *fwname;
3827 
3828 	if (phba->sli_rev == LPFC_SLI_REV4)
3829 		snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3830 	else if (vp->rev.rBit) {
3831 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
3832 			rev = vp->rev.sli2FwRev;
3833 		else
3834 			rev = vp->rev.sli1FwRev;
3835 
3836 		b1 = (rev & 0x0000f000) >> 12;
3837 		b2 = (rev & 0x00000f00) >> 8;
3838 		b3 = (rev & 0x000000c0) >> 6;
3839 		b4 = (rev & 0x00000030) >> 4;
3840 
3841 		switch (b4) {
3842 		case 0:
3843 			c = 'N';
3844 			break;
3845 		case 1:
3846 			c = 'A';
3847 			break;
3848 		case 2:
3849 			c = 'B';
3850 			break;
3851 		case 3:
3852 			c = 'X';
3853 			break;
3854 		default:
3855 			c = 0;
3856 			break;
3857 		}
3858 		b4 = (rev & 0x0000000f);
3859 
3860 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
3861 			fwname = vp->rev.sli2FwName;
3862 		else
3863 			fwname = vp->rev.sli1FwName;
3864 
3865 		for (i = 0; i < 16; i++)
3866 			if (fwname[i] == 0x20)
3867 				fwname[i] = 0;
3868 
3869 		ptr = (uint32_t*)fwname;
3870 
3871 		for (i = 0; i < 3; i++)
3872 			str[i] = be32_to_cpu(*ptr++);
3873 
3874 		if (c == 0) {
3875 			if (flag)
3876 				sprintf(fwrevision, "%d.%d%d (%s)",
3877 					b1, b2, b3, (char *)str);
3878 			else
3879 				sprintf(fwrevision, "%d.%d%d", b1,
3880 					b2, b3);
3881 		} else {
3882 			if (flag)
3883 				sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3884 					b1, b2, b3, c,
3885 					b4, (char *)str);
3886 			else
3887 				sprintf(fwrevision, "%d.%d%d%c%d",
3888 					b1, b2, b3, c, b4);
3889 		}
3890 	} else {
3891 		rev = vp->rev.smFwRev;
3892 
3893 		b1 = (rev & 0xff000000) >> 24;
3894 		b2 = (rev & 0x00f00000) >> 20;
3895 		b3 = (rev & 0x000f0000) >> 16;
3896 		c  = (rev & 0x0000ff00) >> 8;
3897 		b4 = (rev & 0x000000ff);
3898 
3899 		sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3900 	}
3901 	return;
3902 }
3903 
3904 static void
3905 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3906 		      struct lpfc_iocbq *rspiocb)
3907 {
3908 	struct lpfc_vport *vport = cmdiocb->vport;
3909 	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
3910 	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
3911 	struct lpfc_sli_ct_request *ctcmd = inp->virt;
3912 	struct lpfc_sli_ct_request *ctrsp = outp->virt;
3913 	u16 rsp = ctrsp->CommandResponse.bits.CmdRsp;
3914 	struct app_id_object *app;
3915 	u32 cmd, hash, bucket;
3916 	struct lpfc_vmid *vmp, *cur;
3917 	u8 *data = outp->virt;
3918 	int i;
3919 
3920 	cmd = be16_to_cpu(ctcmd->CommandResponse.bits.CmdRsp);
3921 	if (cmd == SLI_CTAS_DALLAPP_ID)
3922 		lpfc_ct_free_iocb(phba, cmdiocb);
3923 
3924 	if (lpfc_els_chk_latt(vport) || get_job_ulpstatus(phba, rspiocb)) {
3925 		if (cmd != SLI_CTAS_DALLAPP_ID)
3926 			return;
3927 	}
3928 	/* Check for a CT LS_RJT response */
3929 	if (rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
3930 		if (cmd != SLI_CTAS_DALLAPP_ID)
3931 			lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3932 					 "3306 VMID FS_RJT Data: x%x x%x x%x\n",
3933 					 cmd, ctrsp->ReasonCode,
3934 					 ctrsp->Explanation);
3935 		if ((cmd != SLI_CTAS_DALLAPP_ID) ||
3936 		    (ctrsp->ReasonCode != SLI_CT_UNABLE_TO_PERFORM_REQ) ||
3937 		    (ctrsp->Explanation != SLI_CT_APP_ID_NOT_AVAILABLE)) {
3938 			/* If DALLAPP_ID failed retry later */
3939 			if (cmd == SLI_CTAS_DALLAPP_ID)
3940 				vport->load_flag |= FC_DEREGISTER_ALL_APP_ID;
3941 			return;
3942 		}
3943 	}
3944 
3945 	switch (cmd) {
3946 	case SLI_CTAS_RAPP_IDENT:
3947 		app = (struct app_id_object *)(RAPP_IDENT_OFFSET + data);
3948 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3949 				 "6712 RAPP_IDENT app id %d  port id x%x id "
3950 				 "len %d\n", be32_to_cpu(app->app_id),
3951 				 be32_to_cpu(app->port_id),
3952 				 app->obj.entity_id_len);
3953 
3954 		if (app->obj.entity_id_len == 0 || app->port_id == 0)
3955 			return;
3956 
3957 		hash = lpfc_vmid_hash_fn(app->obj.entity_id,
3958 					 app->obj.entity_id_len);
3959 		vmp = lpfc_get_vmid_from_hashtable(vport, hash,
3960 						  app->obj.entity_id);
3961 		if (vmp) {
3962 			write_lock(&vport->vmid_lock);
3963 			vmp->un.app_id = be32_to_cpu(app->app_id);
3964 			vmp->flag |= LPFC_VMID_REGISTERED;
3965 			vmp->flag &= ~LPFC_VMID_REQ_REGISTER;
3966 			write_unlock(&vport->vmid_lock);
3967 			/* Set IN USE flag */
3968 			vport->vmid_flag |= LPFC_VMID_IN_USE;
3969 		} else {
3970 			lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3971 					 "6901 No entry found %s hash %d\n",
3972 					 app->obj.entity_id, hash);
3973 		}
3974 		break;
3975 	case SLI_CTAS_DAPP_IDENT:
3976 		app = (struct app_id_object *)(DAPP_IDENT_OFFSET + data);
3977 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3978 				 "6713 DAPP_IDENT app id %d  port id x%x\n",
3979 				 be32_to_cpu(app->app_id),
3980 				 be32_to_cpu(app->port_id));
3981 		break;
3982 	case SLI_CTAS_DALLAPP_ID:
3983 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3984 				 "8856 Deregistered all app ids\n");
3985 		read_lock(&vport->vmid_lock);
3986 		for (i = 0; i < phba->cfg_max_vmid; i++) {
3987 			vmp = &vport->vmid[i];
3988 			if (vmp->flag != LPFC_VMID_SLOT_FREE)
3989 				memset(vmp, 0, sizeof(struct lpfc_vmid));
3990 		}
3991 		read_unlock(&vport->vmid_lock);
3992 		/* for all elements in the hash table */
3993 		if (!hash_empty(vport->hash_table))
3994 			hash_for_each(vport->hash_table, bucket, cur, hnode)
3995 				hash_del(&cur->hnode);
3996 		vport->load_flag |= FC_ALLOW_VMID;
3997 		break;
3998 	default:
3999 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4000 				 "8857 Invalid command code\n");
4001 	}
4002 }
4003 
4004 /**
4005  * lpfc_vmid_cmd - Build and send a FDMI cmd to the specified NPort
4006  * @vport: pointer to a host virtual N_Port data structure.
4007  * @cmdcode: application server command code to send
4008  * @vmid: pointer to vmid info structure
4009  *
4010  * Builds and sends a FDMI command using the CT subsystem.
4011  */
4012 int
4013 lpfc_vmid_cmd(struct lpfc_vport *vport,
4014 	      int cmdcode, struct lpfc_vmid *vmid)
4015 {
4016 	struct lpfc_hba *phba = vport->phba;
4017 	struct lpfc_dmabuf *mp, *bmp;
4018 	struct lpfc_sli_ct_request *ctreq;
4019 	struct ulp_bde64 *bpl;
4020 	u32 size;
4021 	u32 rsp_size;
4022 	u8 *data;
4023 	struct lpfc_vmid_rapp_ident_list *rap;
4024 	struct lpfc_vmid_dapp_ident_list *dap;
4025 	u8 retry = 0;
4026 	struct lpfc_nodelist *ndlp;
4027 
4028 	void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
4029 		     struct lpfc_iocbq *rspiocb);
4030 
4031 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
4032 	if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
4033 		return 0;
4034 
4035 	cmpl = lpfc_cmpl_ct_cmd_vmid;
4036 
4037 	/* fill in BDEs for command */
4038 	/* Allocate buffer for command payload */
4039 	mp = kmalloc(sizeof(*mp), GFP_KERNEL);
4040 	if (!mp)
4041 		goto vmid_free_mp_exit;
4042 
4043 	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
4044 	if (!mp->virt)
4045 		goto vmid_free_mp_virt_exit;
4046 
4047 	/* Allocate buffer for Buffer ptr list */
4048 	bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
4049 	if (!bmp)
4050 		goto vmid_free_bmp_exit;
4051 
4052 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
4053 	if (!bmp->virt)
4054 		goto vmid_free_bmp_virt_exit;
4055 
4056 	INIT_LIST_HEAD(&mp->list);
4057 	INIT_LIST_HEAD(&bmp->list);
4058 
4059 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
4060 			 "3275 VMID Request Data: x%x x%x x%x\n",
4061 			 vport->fc_flag, vport->port_state, cmdcode);
4062 	ctreq = (struct lpfc_sli_ct_request *)mp->virt;
4063 	data = mp->virt;
4064 	/* First populate the CT_IU preamble */
4065 	memset(data, 0, LPFC_BPL_SIZE);
4066 	ctreq->RevisionId.bits.Revision = SLI_CT_REVISION;
4067 	ctreq->RevisionId.bits.InId = 0;
4068 
4069 	ctreq->FsType = SLI_CT_MANAGEMENT_SERVICE;
4070 	ctreq->FsSubType = SLI_CT_APP_SEV_Subtypes;
4071 
4072 	ctreq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
4073 	rsp_size = LPFC_BPL_SIZE;
4074 	size = 0;
4075 
4076 	switch (cmdcode) {
4077 	case SLI_CTAS_RAPP_IDENT:
4078 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4079 				 "1329 RAPP_IDENT for %s\n", vmid->host_vmid);
4080 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
4081 		rap = (struct lpfc_vmid_rapp_ident_list *)
4082 			(DAPP_IDENT_OFFSET + data);
4083 		rap->no_of_objects = cpu_to_be32(1);
4084 		rap->obj[0].entity_id_len = vmid->vmid_len;
4085 		memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
4086 		size = RAPP_IDENT_OFFSET +
4087 			sizeof(struct lpfc_vmid_rapp_ident_list);
4088 		retry = 1;
4089 		break;
4090 
4091 	case SLI_CTAS_GALLAPPIA_ID:
4092 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
4093 		size = GALLAPPIA_ID_SIZE;
4094 		break;
4095 
4096 	case SLI_CTAS_DAPP_IDENT:
4097 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4098 				 "1469 DAPP_IDENT for %s\n", vmid->host_vmid);
4099 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
4100 		dap = (struct lpfc_vmid_dapp_ident_list *)
4101 			(DAPP_IDENT_OFFSET + data);
4102 		dap->no_of_objects = cpu_to_be32(1);
4103 		dap->obj[0].entity_id_len = vmid->vmid_len;
4104 		memcpy(dap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
4105 		size = DAPP_IDENT_OFFSET +
4106 			sizeof(struct lpfc_vmid_dapp_ident_list);
4107 		write_lock(&vport->vmid_lock);
4108 		vmid->flag &= ~LPFC_VMID_REGISTERED;
4109 		write_unlock(&vport->vmid_lock);
4110 		retry = 1;
4111 		break;
4112 
4113 	case SLI_CTAS_DALLAPP_ID:
4114 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
4115 		size = DALLAPP_ID_SIZE;
4116 		break;
4117 
4118 	default:
4119 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4120 				 "7062 VMID cmdcode x%x not supported\n",
4121 				 cmdcode);
4122 		goto vmid_free_all_mem;
4123 	}
4124 
4125 	ctreq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
4126 
4127 	bpl = (struct ulp_bde64 *)bmp->virt;
4128 	bpl->addrHigh = putPaddrHigh(mp->phys);
4129 	bpl->addrLow = putPaddrLow(mp->phys);
4130 	bpl->tus.f.bdeFlags = 0;
4131 	bpl->tus.f.bdeSize = size;
4132 
4133 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
4134 	 * to hold ndlp reference for the corresponding callback function.
4135 	 */
4136 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry))
4137 		return 0;
4138 
4139  vmid_free_all_mem:
4140 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
4141  vmid_free_bmp_virt_exit:
4142 	kfree(bmp);
4143  vmid_free_bmp_exit:
4144 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
4145  vmid_free_mp_virt_exit:
4146 	kfree(mp);
4147  vmid_free_mp_exit:
4148 
4149 	/* Issue CT request failed */
4150 	lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4151 			 "3276 VMID CT request failed Data: x%x\n", cmdcode);
4152 	return -EIO;
4153 }
4154