xref: /linux/drivers/scsi/lpfc/lpfc_ct.c (revision e6a901a00822659181c93c86d8bbc2a17779fddc)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017-2024 Broadcom. All Rights Reserved. The term *
5  * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.     *
6  * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
7  * EMULEX and SLI are trademarks of Emulex.                        *
8  * www.broadcom.com                                                *
9  *                                                                 *
10  * This program is free software; you can redistribute it and/or   *
11  * modify it under the terms of version 2 of the GNU General       *
12  * Public License as published by the Free Software Foundation.    *
13  * This program is distributed in the hope that it will be useful. *
14  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
15  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
16  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
17  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
18  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
19  * more details, a copy of which can be found in the file COPYING  *
20  * included with this package.                                     *
21  *******************************************************************/
22 
23 /*
24  * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
25  */
26 
27 #include <linux/blkdev.h>
28 #include <linux/pci.h>
29 #include <linux/interrupt.h>
30 #include <linux/slab.h>
31 #include <linux/utsname.h>
32 
33 #include <scsi/scsi.h>
34 #include <scsi/scsi_device.h>
35 #include <scsi/scsi_host.h>
36 #include <scsi/scsi_transport_fc.h>
37 #include <scsi/fc/fc_fs.h>
38 
39 #include "lpfc_hw4.h"
40 #include "lpfc_hw.h"
41 #include "lpfc_sli.h"
42 #include "lpfc_sli4.h"
43 #include "lpfc_nl.h"
44 #include "lpfc_disc.h"
45 #include "lpfc.h"
46 #include "lpfc_scsi.h"
47 #include "lpfc_logmsg.h"
48 #include "lpfc_crtn.h"
49 #include "lpfc_version.h"
50 #include "lpfc_vport.h"
51 #include "lpfc_debugfs.h"
52 
53 /* FDMI Port Speed definitions - FC-GS-7 */
54 #define HBA_PORTSPEED_1GFC		0x00000001	/* 1G FC */
55 #define HBA_PORTSPEED_2GFC		0x00000002	/* 2G FC */
56 #define HBA_PORTSPEED_4GFC		0x00000008	/* 4G FC */
57 #define HBA_PORTSPEED_10GFC		0x00000004	/* 10G FC */
58 #define HBA_PORTSPEED_8GFC		0x00000010	/* 8G FC */
59 #define HBA_PORTSPEED_16GFC		0x00000020	/* 16G FC */
60 #define HBA_PORTSPEED_32GFC		0x00000040	/* 32G FC */
61 #define HBA_PORTSPEED_20GFC		0x00000080	/* 20G FC */
62 #define HBA_PORTSPEED_40GFC		0x00000100	/* 40G FC */
63 #define HBA_PORTSPEED_128GFC		0x00000200	/* 128G FC */
64 #define HBA_PORTSPEED_64GFC		0x00000400	/* 64G FC */
65 #define HBA_PORTSPEED_256GFC		0x00000800	/* 256G FC */
66 #define HBA_PORTSPEED_UNKNOWN		0x00008000	/* Unknown */
67 #define HBA_PORTSPEED_10GE		0x00010000	/* 10G E */
68 #define HBA_PORTSPEED_40GE		0x00020000	/* 40G E */
69 #define HBA_PORTSPEED_100GE		0x00040000	/* 100G E */
70 #define HBA_PORTSPEED_25GE		0x00080000	/* 25G E */
71 #define HBA_PORTSPEED_50GE		0x00100000	/* 50G E */
72 #define HBA_PORTSPEED_400GE		0x00200000	/* 400G E */
73 
74 #define FOURBYTES	4
75 
76 
77 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
78 static void
79 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
80 		      struct lpfc_iocbq *rspiocb);
81 
82 static void
83 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
84 			  struct lpfc_dmabuf *mp, uint32_t size)
85 {
86 	if (!mp) {
87 		lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
88 				"0146 Ignoring unsolicited CT No HBQ "
89 				"status = x%x\n",
90 				get_job_ulpstatus(phba, piocbq));
91 	}
92 	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
93 			"0145 Ignoring unsolicited CT HBQ Size:%d "
94 			"status = x%x\n",
95 			size, get_job_ulpstatus(phba, piocbq));
96 }
97 
98 static void
99 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
100 		     struct lpfc_dmabuf *mp, uint32_t size)
101 {
102 	lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
103 }
104 
105 /**
106  * lpfc_ct_unsol_cmpl : Completion callback function for unsol ct commands
107  * @phba : pointer to lpfc hba data structure.
108  * @cmdiocb : pointer to lpfc command iocb data structure.
109  * @rspiocb : pointer to lpfc response iocb data structure.
110  *
111  * This routine is the callback function for issuing unsol ct reject command.
112  * The memory allocated in the reject command path is freed up here.
113  **/
114 static void
115 lpfc_ct_unsol_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
116 		   struct lpfc_iocbq *rspiocb)
117 {
118 	struct lpfc_nodelist *ndlp;
119 	struct lpfc_dmabuf *mp, *bmp;
120 
121 	ndlp = cmdiocb->ndlp;
122 	if (ndlp)
123 		lpfc_nlp_put(ndlp);
124 
125 	mp = cmdiocb->rsp_dmabuf;
126 	bmp = cmdiocb->bpl_dmabuf;
127 	if (mp) {
128 		lpfc_mbuf_free(phba, mp->virt, mp->phys);
129 		kfree(mp);
130 		cmdiocb->rsp_dmabuf = NULL;
131 	}
132 
133 	if (bmp) {
134 		lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
135 		kfree(bmp);
136 		cmdiocb->bpl_dmabuf = NULL;
137 	}
138 
139 	lpfc_sli_release_iocbq(phba, cmdiocb);
140 }
141 
142 /**
143  * lpfc_ct_reject_event - Issue reject for unhandled CT MIB commands
144  * @ndlp: pointer to a node-list data structure.
145  * @ct_req: pointer to the CT request data structure.
146  * @ulp_context: context of received UNSOL CT command
147  * @ox_id: ox_id of the UNSOL CT command
148  *
149  * This routine is invoked by the lpfc_ct_handle_mibreq routine for sending
150  * a reject response. Reject response is sent for the unhandled commands.
151  **/
152 static void
153 lpfc_ct_reject_event(struct lpfc_nodelist *ndlp,
154 		     struct lpfc_sli_ct_request *ct_req,
155 		     u16 ulp_context, u16 ox_id)
156 {
157 	struct lpfc_vport *vport = ndlp->vport;
158 	struct lpfc_hba *phba = vport->phba;
159 	struct lpfc_sli_ct_request *ct_rsp;
160 	struct lpfc_iocbq *cmdiocbq = NULL;
161 	struct lpfc_dmabuf *bmp = NULL;
162 	struct lpfc_dmabuf *mp = NULL;
163 	struct ulp_bde64 *bpl;
164 	u8 rc = 0;
165 	u32 tmo;
166 
167 	/* fill in BDEs for command */
168 	mp = kmalloc(sizeof(*mp), GFP_KERNEL);
169 	if (!mp) {
170 		rc = 1;
171 		goto ct_exit;
172 	}
173 
174 	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp->phys);
175 	if (!mp->virt) {
176 		rc = 2;
177 		goto ct_free_mp;
178 	}
179 
180 	/* Allocate buffer for Buffer ptr list */
181 	bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
182 	if (!bmp) {
183 		rc = 3;
184 		goto ct_free_mpvirt;
185 	}
186 
187 	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &bmp->phys);
188 	if (!bmp->virt) {
189 		rc = 4;
190 		goto ct_free_bmp;
191 	}
192 
193 	INIT_LIST_HEAD(&mp->list);
194 	INIT_LIST_HEAD(&bmp->list);
195 
196 	bpl = (struct ulp_bde64 *)bmp->virt;
197 	memset(bpl, 0, sizeof(struct ulp_bde64));
198 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
199 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
200 	bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
201 	bpl->tus.f.bdeSize = (LPFC_CT_PREAMBLE - 4);
202 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
203 
204 	ct_rsp = (struct lpfc_sli_ct_request *)mp->virt;
205 	memset(ct_rsp, 0, sizeof(struct lpfc_sli_ct_request));
206 
207 	ct_rsp->RevisionId.bits.Revision = SLI_CT_REVISION;
208 	ct_rsp->RevisionId.bits.InId = 0;
209 	ct_rsp->FsType = ct_req->FsType;
210 	ct_rsp->FsSubType = ct_req->FsSubType;
211 	ct_rsp->CommandResponse.bits.Size = 0;
212 	ct_rsp->CommandResponse.bits.CmdRsp =
213 		cpu_to_be16(SLI_CT_RESPONSE_FS_RJT);
214 	ct_rsp->ReasonCode = SLI_CT_REQ_NOT_SUPPORTED;
215 	ct_rsp->Explanation = SLI_CT_NO_ADDITIONAL_EXPL;
216 
217 	cmdiocbq = lpfc_sli_get_iocbq(phba);
218 	if (!cmdiocbq) {
219 		rc = 5;
220 		goto ct_free_bmpvirt;
221 	}
222 
223 	if (phba->sli_rev == LPFC_SLI_REV4) {
224 		lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp,
225 					 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi],
226 					 ox_id, 1, FC_RCTL_DD_SOL_CTL, 1,
227 					 CMD_XMIT_SEQUENCE64_WQE);
228 	} else {
229 		lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp, 0, ulp_context, 1,
230 					 FC_RCTL_DD_SOL_CTL, 1,
231 					 CMD_XMIT_SEQUENCE64_CX);
232 	}
233 
234 	/* Save for completion so we can release these resources */
235 	cmdiocbq->rsp_dmabuf = mp;
236 	cmdiocbq->bpl_dmabuf = bmp;
237 	cmdiocbq->cmd_cmpl = lpfc_ct_unsol_cmpl;
238 	tmo = (3 * phba->fc_ratov);
239 
240 	cmdiocbq->retry = 0;
241 	cmdiocbq->vport = vport;
242 	cmdiocbq->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
243 
244 	cmdiocbq->ndlp = lpfc_nlp_get(ndlp);
245 	if (!cmdiocbq->ndlp)
246 		goto ct_no_ndlp;
247 
248 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
249 	if (rc) {
250 		lpfc_nlp_put(ndlp);
251 		goto ct_no_ndlp;
252 	}
253 	return;
254 
255 ct_no_ndlp:
256 	rc = 6;
257 	lpfc_sli_release_iocbq(phba, cmdiocbq);
258 ct_free_bmpvirt:
259 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
260 ct_free_bmp:
261 	kfree(bmp);
262 ct_free_mpvirt:
263 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
264 ct_free_mp:
265 	kfree(mp);
266 ct_exit:
267 	lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
268 			 "6440 Unsol CT: Rsp err %d Data: x%lx\n",
269 			 rc, vport->fc_flag);
270 }
271 
272 /**
273  * lpfc_ct_handle_mibreq - Process an unsolicited CT MIB request data buffer
274  * @phba: pointer to lpfc hba data structure.
275  * @ctiocbq: pointer to lpfc CT command iocb data structure.
276  *
277  * This routine is used for processing the IOCB associated with a unsolicited
278  * CT MIB request. It first determines whether there is an existing ndlp that
279  * matches the DID from the unsolicited IOCB. If not, it will return.
280  **/
281 static void
282 lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq)
283 {
284 	struct lpfc_sli_ct_request *ct_req;
285 	struct lpfc_nodelist *ndlp = NULL;
286 	struct lpfc_vport *vport = ctiocbq->vport;
287 	u32 ulp_status = get_job_ulpstatus(phba, ctiocbq);
288 	u32 ulp_word4 = get_job_word4(phba, ctiocbq);
289 	u32 did;
290 	u16 mi_cmd;
291 
292 	did = bf_get(els_rsp64_sid, &ctiocbq->wqe.xmit_els_rsp);
293 	if (ulp_status) {
294 		lpfc_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 (test_bit(FC_UNLOADING, &vport->load_flag))
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 = be16_to_cpu(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 		list_del(&mlast->list);
480 		lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
481 		kfree(mlast);
482 	}
483 	lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
484 	kfree(mlist);
485 	return;
486 }
487 
488 static struct lpfc_dmabuf *
489 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, __be16 cmdcode, struct ulp_bde64 *bpl,
490 		  uint32_t size, int *entries)
491 {
492 	struct lpfc_dmabuf *mlist = NULL;
493 	struct lpfc_dmabuf *mp;
494 	int cnt, i = 0;
495 
496 	/* We get chunks of FCELSSIZE */
497 	cnt = size > FCELSSIZE ? FCELSSIZE: size;
498 
499 	while (size) {
500 		/* Allocate buffer for rsp payload */
501 		mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
502 		if (!mp) {
503 			if (mlist)
504 				lpfc_free_ct_rsp(phba, mlist);
505 			return NULL;
506 		}
507 
508 		INIT_LIST_HEAD(&mp->list);
509 
510 		if (be16_to_cpu(cmdcode) == SLI_CTNS_GID_FT ||
511 		    be16_to_cpu(cmdcode) == SLI_CTNS_GFF_ID)
512 			mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
513 		else
514 			mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
515 
516 		if (!mp->virt) {
517 			kfree(mp);
518 			if (mlist)
519 				lpfc_free_ct_rsp(phba, mlist);
520 			return NULL;
521 		}
522 
523 		/* Queue it to a linked list */
524 		if (!mlist)
525 			mlist = mp;
526 		else
527 			list_add_tail(&mp->list, &mlist->list);
528 
529 		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
530 		/* build buffer ptr list for IOCB */
531 		bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
532 		bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
533 		bpl->tus.f.bdeSize = (uint16_t) cnt;
534 		bpl->tus.w = le32_to_cpu(bpl->tus.w);
535 		bpl++;
536 
537 		i++;
538 		size -= cnt;
539 	}
540 
541 	*entries = i;
542 	return mlist;
543 }
544 
545 int
546 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
547 {
548 	struct lpfc_dmabuf *buf_ptr;
549 
550 	/* IOCBQ job structure gets cleaned during release.  Just release
551 	 * the dma buffers here.
552 	 */
553 	if (ctiocb->cmd_dmabuf) {
554 		buf_ptr = ctiocb->cmd_dmabuf;
555 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
556 		kfree(buf_ptr);
557 		ctiocb->cmd_dmabuf = NULL;
558 	}
559 	if (ctiocb->rsp_dmabuf) {
560 		lpfc_free_ct_rsp(phba, ctiocb->rsp_dmabuf);
561 		ctiocb->rsp_dmabuf = NULL;
562 	}
563 
564 	if (ctiocb->bpl_dmabuf) {
565 		buf_ptr = ctiocb->bpl_dmabuf;
566 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
567 		kfree(buf_ptr);
568 		ctiocb->bpl_dmabuf = NULL;
569 	}
570 	lpfc_sli_release_iocbq(phba, ctiocb);
571 	return 0;
572 }
573 
574 /*
575  * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
576  * @vport: pointer to a host virtual N_Port data structure.
577  * @bmp: Pointer to BPL for SLI command
578  * @inp: Pointer to data buffer for response data.
579  * @outp: Pointer to data buffer that hold the CT command.
580  * @cmpl: completion routine to call when command completes
581  * @ndlp: Destination NPort nodelist entry
582  *
583  * This function as the final part for issuing a CT command.
584  */
585 static int
586 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
587 	     struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
588 	     void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
589 			  struct lpfc_iocbq *),
590 	     struct lpfc_nodelist *ndlp, uint32_t event_tag, uint32_t num_entry,
591 	     uint32_t tmo, uint8_t retry)
592 {
593 	struct lpfc_hba  *phba = vport->phba;
594 	struct lpfc_iocbq *geniocb;
595 	int rc;
596 	u16 ulp_context;
597 
598 	/* Allocate buffer for  command iocb */
599 	geniocb = lpfc_sli_get_iocbq(phba);
600 
601 	if (geniocb == NULL)
602 		return 1;
603 
604 	/* Update the num_entry bde count */
605 	geniocb->num_bdes = num_entry;
606 
607 	geniocb->bpl_dmabuf = bmp;
608 
609 	/* Save for completion so we can release these resources */
610 	geniocb->cmd_dmabuf = inp;
611 	geniocb->rsp_dmabuf = outp;
612 
613 	geniocb->event_tag = event_tag;
614 
615 	if (!tmo) {
616 		 /* FC spec states we need 3 * ratov for CT requests */
617 		tmo = (3 * phba->fc_ratov);
618 	}
619 
620 	if (phba->sli_rev == LPFC_SLI_REV4)
621 		ulp_context = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
622 	else
623 		ulp_context = ndlp->nlp_rpi;
624 
625 	lpfc_sli_prep_gen_req(phba, geniocb, bmp, ulp_context, num_entry, tmo);
626 
627 	/* Issue GEN REQ IOCB for NPORT <did> */
628 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
629 			 "0119 Issue GEN REQ IOCB to NPORT x%x "
630 			 "Data: x%x x%x\n",
631 			 ndlp->nlp_DID, geniocb->iotag,
632 			 vport->port_state);
633 	geniocb->cmd_cmpl = cmpl;
634 	geniocb->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
635 	geniocb->vport = vport;
636 	geniocb->retry = retry;
637 	geniocb->ndlp = lpfc_nlp_get(ndlp);
638 	if (!geniocb->ndlp)
639 		goto out;
640 
641 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
642 	if (rc == IOCB_ERROR) {
643 		lpfc_nlp_put(ndlp);
644 		goto out;
645 	}
646 
647 	return 0;
648 out:
649 	lpfc_sli_release_iocbq(phba, geniocb);
650 	return 1;
651 }
652 
653 /*
654  * lpfc_ct_cmd - Build and issue a CT command
655  * @vport: pointer to a host virtual N_Port data structure.
656  * @inmp: Pointer to data buffer for response data.
657  * @bmp: Pointer to BPL for SLI command
658  * @ndlp: Destination NPort nodelist entry
659  * @cmpl: completion routine to call when command completes
660  *
661  * This function is called for issuing a CT command.
662  */
663 static int
664 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
665 	    struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
666 	    void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
667 			  struct lpfc_iocbq *),
668 	    uint32_t rsp_size, uint8_t retry)
669 {
670 	struct lpfc_hba  *phba = vport->phba;
671 	struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
672 	struct lpfc_dmabuf *outmp;
673 	int cnt = 0, status;
674 	__be16 cmdcode = ((struct lpfc_sli_ct_request *)inmp->virt)->
675 		CommandResponse.bits.CmdRsp;
676 
677 	bpl++;			/* Skip past ct request */
678 
679 	/* Put buffer(s) for ct rsp in bpl */
680 	outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
681 	if (!outmp)
682 		return -ENOMEM;
683 	/*
684 	 * Form the CT IOCB.  The total number of BDEs in this IOCB
685 	 * is the single command plus response count from
686 	 * lpfc_alloc_ct_rsp.
687 	 */
688 	cnt += 1;
689 	status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp,
690 			phba->fc_eventTag, cnt, 0, retry);
691 	if (status) {
692 		lpfc_free_ct_rsp(phba, outmp);
693 		return -ENOMEM;
694 	}
695 	return 0;
696 }
697 
698 struct lpfc_vport *
699 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
700 	struct lpfc_vport *vport_curr;
701 	unsigned long flags;
702 
703 	spin_lock_irqsave(&phba->port_list_lock, flags);
704 	list_for_each_entry(vport_curr, &phba->port_list, listentry) {
705 		if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
706 			spin_unlock_irqrestore(&phba->port_list_lock, flags);
707 			return vport_curr;
708 		}
709 	}
710 	spin_unlock_irqrestore(&phba->port_list_lock, flags);
711 	return NULL;
712 }
713 
714 static void
715 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
716 {
717 	struct lpfc_nodelist *ndlp;
718 
719 	if ((vport->port_type != LPFC_NPIV_PORT) ||
720 	    !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
721 
722 		ndlp = lpfc_setup_disc_node(vport, Did);
723 
724 		if (ndlp) {
725 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
726 				"Parse GID_FTrsp: did:x%x flg:x%lx x%x",
727 				Did, ndlp->nlp_flag, vport->fc_flag);
728 
729 			/* By default, the driver expects to support FCP FC4 */
730 			if (fc4_type == FC_TYPE_FCP)
731 				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
732 
733 			if (fc4_type == FC_TYPE_NVME)
734 				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
735 
736 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
737 					 "0238 Process x%06x NameServer Rsp "
738 					 "Data: x%x x%x x%x x%lx x%x\n", Did,
739 					 ndlp->nlp_flag, ndlp->nlp_fc4_type,
740 					 ndlp->nlp_state, vport->fc_flag,
741 					 vport->fc_rscn_id_cnt);
742 
743 			/* if ndlp needs to be discovered and prior
744 			 * state of ndlp hit devloss, change state to
745 			 * allow rediscovery.
746 			 */
747 			if (ndlp->nlp_flag & NLP_NPR_2B_DISC &&
748 			    ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
749 				lpfc_nlp_set_state(vport, ndlp,
750 						   NLP_STE_NPR_NODE);
751 			}
752 		} else {
753 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
754 				"Skip1 GID_FTrsp: did:x%x flg:x%lx cnt:%d",
755 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
756 
757 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
758 					 "0239 Skip x%06x NameServer Rsp "
759 					 "Data: x%lx x%x x%px\n",
760 					 Did, vport->fc_flag,
761 					 vport->fc_rscn_id_cnt, ndlp);
762 		}
763 	} else {
764 		if (!test_bit(FC_RSCN_MODE, &vport->fc_flag) ||
765 		    lpfc_rscn_payload_check(vport, Did)) {
766 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
767 				"Query GID_FTrsp: did:x%x flg:x%lx cnt:%d",
768 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
769 
770 			/*
771 			 * This NPortID was previously a FCP/NVMe target,
772 			 * Don't even bother to send GFF_ID.
773 			 */
774 			ndlp = lpfc_findnode_did(vport, Did);
775 			if (ndlp &&
776 			    (ndlp->nlp_type &
777 			    (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
778 				if (fc4_type == FC_TYPE_FCP)
779 					ndlp->nlp_fc4_type |= NLP_FC4_FCP;
780 				if (fc4_type == FC_TYPE_NVME)
781 					ndlp->nlp_fc4_type |= NLP_FC4_NVME;
782 				lpfc_setup_disc_node(vport, Did);
783 			} else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
784 				   0, Did) == 0)
785 				vport->num_disc_nodes++;
786 			else
787 				lpfc_setup_disc_node(vport, Did);
788 		} else {
789 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
790 				"Skip2 GID_FTrsp: did:x%x flg:x%lx cnt:%d",
791 				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
792 
793 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
794 					 "0245 Skip x%06x NameServer Rsp "
795 					 "Data: x%lx x%x\n", Did,
796 					 vport->fc_flag,
797 					 vport->fc_rscn_id_cnt);
798 		}
799 	}
800 }
801 
802 static void
803 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
804 {
805 	struct lpfc_hba *phba = vport->phba;
806 	struct lpfc_nodelist *ndlp = NULL;
807 	char *str;
808 
809 	if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
810 		str = "GID_FT";
811 	else
812 		str = "GID_PT";
813 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
814 			 "6430 Process %s rsp for %08x type %x %s %s\n",
815 			 str, Did, fc4_type,
816 			 (fc4_type == FC_TYPE_FCP) ?  "FCP" : " ",
817 			 (fc4_type == FC_TYPE_NVME) ?  "NVME" : " ");
818 	/*
819 	 * To conserve rpi's, filter out addresses for other
820 	 * vports on the same physical HBAs.
821 	 */
822 	if (Did != vport->fc_myDID &&
823 	    (!lpfc_find_vport_by_did(phba, Did) ||
824 	     vport->cfg_peer_port_login)) {
825 		if (!phba->nvmet_support) {
826 			/* FCPI/NVMEI path. Process Did */
827 			lpfc_prep_node_fc4type(vport, Did, fc4_type);
828 			return;
829 		}
830 		/* NVMET path.  NVMET only cares about NVMEI nodes. */
831 		list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
832 			if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
833 			    ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
834 				continue;
835 			spin_lock_irq(&ndlp->lock);
836 			if (ndlp->nlp_DID == Did)
837 				ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
838 			else
839 				ndlp->nlp_flag |= NLP_NVMET_RECOV;
840 			spin_unlock_irq(&ndlp->lock);
841 		}
842 	}
843 }
844 
845 static int
846 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
847 	    uint32_t Size)
848 {
849 	struct lpfc_sli_ct_request *Response =
850 		(struct lpfc_sli_ct_request *) mp->virt;
851 	struct lpfc_dmabuf *mlast, *next_mp;
852 	uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
853 	uint32_t Did, CTentry;
854 	int Cnt;
855 	struct list_head head;
856 	struct lpfc_nodelist *ndlp = NULL;
857 
858 	lpfc_set_disctmo(vport);
859 	vport->num_disc_nodes = 0;
860 	vport->fc_ns_retry = 0;
861 
862 
863 	list_add_tail(&head, &mp->list);
864 	list_for_each_entry_safe(mp, next_mp, &head, list) {
865 		mlast = mp;
866 
867 		Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
868 
869 		Size -= Cnt;
870 
871 		if (!ctptr) {
872 			ctptr = (uint32_t *) mlast->virt;
873 		} else
874 			Cnt -= 16;	/* subtract length of CT header */
875 
876 		/* Loop through entire NameServer list of DIDs */
877 		while (Cnt >= sizeof(uint32_t)) {
878 			/* Get next DID from NameServer List */
879 			CTentry = *ctptr++;
880 			Did = ((be32_to_cpu(CTentry)) & Mask_DID);
881 			lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
882 			if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
883 				goto nsout1;
884 
885 			Cnt -= sizeof(uint32_t);
886 		}
887 		ctptr = NULL;
888 
889 	}
890 
891 	/* All GID_FT entries processed.  If the driver is running in
892 	 * in target mode, put impacted nodes into recovery and drop
893 	 * the RPI to flush outstanding IO.
894 	 */
895 	if (vport->phba->nvmet_support) {
896 		list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
897 			if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
898 				continue;
899 			lpfc_disc_state_machine(vport, ndlp, NULL,
900 						NLP_EVT_DEVICE_RECOVERY);
901 			spin_lock_irq(&ndlp->lock);
902 			ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
903 			spin_unlock_irq(&ndlp->lock);
904 		}
905 	}
906 
907 nsout1:
908 	list_del(&head);
909 	return 0;
910 }
911 
912 static void
913 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
914 			struct lpfc_iocbq *rspiocb)
915 {
916 	struct lpfc_vport *vport = cmdiocb->vport;
917 	struct lpfc_dmabuf *outp;
918 	struct lpfc_dmabuf *inp;
919 	struct lpfc_sli_ct_request *CTrsp;
920 	struct lpfc_sli_ct_request *CTreq;
921 	struct lpfc_nodelist *ndlp;
922 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
923 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
924 	int rc, type;
925 
926 	/* First save ndlp, before we overwrite it */
927 	ndlp = cmdiocb->ndlp;
928 
929 	/* we pass cmdiocb to state machine which needs rspiocb as well */
930 	cmdiocb->rsp_iocb = rspiocb;
931 	inp = cmdiocb->cmd_dmabuf;
932 	outp = cmdiocb->rsp_dmabuf;
933 
934 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
935 		 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
936 		ulp_status, ulp_word4, vport->fc_ns_retry);
937 
938 	/* Ignore response if link flipped after this request was made */
939 	if (cmdiocb->event_tag != phba->fc_eventTag) {
940 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
941 				 "9043 Event tag mismatch. Ignoring NS rsp\n");
942 		goto out;
943 	}
944 
945 	/* Skip processing response on pport if unloading */
946 	if (vport == phba->pport && test_bit(FC_UNLOADING, &vport->load_flag)) {
947 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
948 			lpfc_els_flush_rscn(vport);
949 		goto out;
950 	}
951 
952 	if (lpfc_els_chk_latt(vport)) {
953 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
954 				 "0216 Link event during NS query\n");
955 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
956 			lpfc_els_flush_rscn(vport);
957 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
958 		goto out;
959 	}
960 	if (lpfc_error_lost_link(vport, ulp_status, ulp_word4)) {
961 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
962 				 "0226 NS query failed due to link event: "
963 				 "ulp_status x%x ulp_word4 x%x fc_flag x%lx "
964 				 "port_state x%x gidft_inp x%x\n",
965 				 ulp_status, ulp_word4, vport->fc_flag,
966 				 vport->port_state, vport->gidft_inp);
967 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
968 			lpfc_els_flush_rscn(vport);
969 		if (vport->gidft_inp)
970 			vport->gidft_inp--;
971 		goto out;
972 	}
973 
974 	if (test_and_clear_bit(FC_RSCN_DEFERRED, &vport->fc_flag)) {
975 		/* This is a GID_FT completing so the gidft_inp counter was
976 		 * incremented before the GID_FT was issued to the wire.
977 		 */
978 		if (vport->gidft_inp)
979 			vport->gidft_inp--;
980 
981 		/*
982 		 * Skip processing the NS response
983 		 * Re-issue the NS cmd
984 		 */
985 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
986 				 "0151 Process Deferred RSCN Data: x%lx x%x\n",
987 				 vport->fc_flag, vport->fc_rscn_id_cnt);
988 		lpfc_els_handle_rscn(vport);
989 
990 		goto out;
991 	}
992 
993 	if (ulp_status) {
994 		/* Check for retry */
995 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
996 			if (ulp_status != IOSTAT_LOCAL_REJECT ||
997 			    (ulp_word4 & IOERR_PARAM_MASK) !=
998 			    IOERR_NO_RESOURCES)
999 				vport->fc_ns_retry++;
1000 
1001 			type = lpfc_get_gidft_type(vport, cmdiocb);
1002 			if (type == 0)
1003 				goto out;
1004 
1005 			/* CT command is being retried */
1006 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
1007 					 vport->fc_ns_retry, type);
1008 			if (rc == 0)
1009 				goto out;
1010 			else { /* Unable to send NS cmd */
1011 				if (vport->gidft_inp)
1012 					vport->gidft_inp--;
1013 			}
1014 		}
1015 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1016 			lpfc_els_flush_rscn(vport);
1017 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1018 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1019 				 "0257 GID_FT Query error: 0x%x 0x%x\n",
1020 				 ulp_status, vport->fc_ns_retry);
1021 	} else {
1022 		/* Good status, continue checking */
1023 		CTreq = (struct lpfc_sli_ct_request *) inp->virt;
1024 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1025 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1026 		    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1027 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1028 					 "0208 NameServer Rsp Data: x%lx x%x "
1029 					 "x%x x%x sz x%x\n",
1030 					 vport->fc_flag,
1031 					 CTreq->un.gid.Fc4Type,
1032 					 vport->num_disc_nodes,
1033 					 vport->gidft_inp,
1034 					 get_job_data_placed(phba, rspiocb));
1035 
1036 			lpfc_ns_rsp(vport,
1037 				    outp,
1038 				    CTreq->un.gid.Fc4Type,
1039 				    get_job_data_placed(phba, rspiocb));
1040 		} else if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1041 			   SLI_CT_RESPONSE_FS_RJT) {
1042 			/* NameServer Rsp Error */
1043 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1044 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1045 				lpfc_printf_vlog(vport, KERN_INFO,
1046 					LOG_DISCOVERY,
1047 					"0269 No NameServer Entries "
1048 					"Data: x%x x%x x%x x%lx\n",
1049 					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1050 					(uint32_t) CTrsp->ReasonCode,
1051 					(uint32_t) CTrsp->Explanation,
1052 					vport->fc_flag);
1053 
1054 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1055 				"GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
1056 				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1057 				(uint32_t) CTrsp->ReasonCode,
1058 				(uint32_t) CTrsp->Explanation);
1059 			} else {
1060 				lpfc_printf_vlog(vport, KERN_INFO,
1061 					LOG_DISCOVERY,
1062 					"0240 NameServer Rsp Error "
1063 					"Data: x%x x%x x%x x%lx\n",
1064 					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1065 					(uint32_t) CTrsp->ReasonCode,
1066 					(uint32_t) CTrsp->Explanation,
1067 					vport->fc_flag);
1068 
1069 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1070 				"GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1071 				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1072 				(uint32_t) CTrsp->ReasonCode,
1073 				(uint32_t) CTrsp->Explanation);
1074 			}
1075 
1076 
1077 		} else {
1078 			/* NameServer Rsp Error */
1079 			lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1080 					"0241 NameServer Rsp Error "
1081 					"Data: x%x x%x x%x x%lx\n",
1082 					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1083 					(uint32_t) CTrsp->ReasonCode,
1084 					(uint32_t) CTrsp->Explanation,
1085 					vport->fc_flag);
1086 
1087 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1088 				"GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1089 				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1090 				(uint32_t) CTrsp->ReasonCode,
1091 				(uint32_t) CTrsp->Explanation);
1092 		}
1093 		if (vport->gidft_inp)
1094 			vport->gidft_inp--;
1095 	}
1096 
1097 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1098 			 "4216 GID_FT cmpl inp %d disc %d\n",
1099 			 vport->gidft_inp, vport->num_disc_nodes);
1100 
1101 	/* Link up / RSCN discovery */
1102 	if ((vport->num_disc_nodes == 0) &&
1103 	    (vport->gidft_inp == 0)) {
1104 		/*
1105 		 * The driver has cycled through all Nports in the RSCN payload.
1106 		 * Complete the handling by cleaning up and marking the
1107 		 * current driver state.
1108 		 */
1109 		if (vport->port_state >= LPFC_DISC_AUTH) {
1110 			if (test_bit(FC_RSCN_MODE, &vport->fc_flag)) {
1111 				lpfc_els_flush_rscn(vport);
1112 				/* RSCN still */
1113 				set_bit(FC_RSCN_MODE, &vport->fc_flag);
1114 			} else {
1115 				lpfc_els_flush_rscn(vport);
1116 			}
1117 		}
1118 
1119 		lpfc_disc_start(vport);
1120 	}
1121 out:
1122 	lpfc_ct_free_iocb(phba, cmdiocb);
1123 	lpfc_nlp_put(ndlp);
1124 	return;
1125 }
1126 
1127 static void
1128 lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1129 			struct lpfc_iocbq *rspiocb)
1130 {
1131 	struct lpfc_vport *vport = cmdiocb->vport;
1132 	struct lpfc_dmabuf *outp;
1133 	struct lpfc_dmabuf *inp;
1134 	struct lpfc_sli_ct_request *CTrsp;
1135 	struct lpfc_sli_ct_request *CTreq;
1136 	struct lpfc_nodelist *ndlp;
1137 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1138 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
1139 	int rc;
1140 
1141 	/* First save ndlp, before we overwrite it */
1142 	ndlp = cmdiocb->ndlp;
1143 
1144 	/* we pass cmdiocb to state machine which needs rspiocb as well */
1145 	cmdiocb->rsp_iocb = rspiocb;
1146 	inp = cmdiocb->cmd_dmabuf;
1147 	outp = cmdiocb->rsp_dmabuf;
1148 
1149 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1150 			      "GID_PT cmpl:     status:x%x/x%x rtry:%d",
1151 			      ulp_status, ulp_word4,
1152 			      vport->fc_ns_retry);
1153 
1154 	/* Ignore response if link flipped after this request was made */
1155 	if (cmdiocb->event_tag != phba->fc_eventTag) {
1156 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1157 				 "9044 Event tag mismatch. Ignoring NS rsp\n");
1158 		goto out;
1159 	}
1160 
1161 	/* Skip processing response on pport if unloading */
1162 	if (vport == phba->pport && test_bit(FC_UNLOADING, &vport->load_flag)) {
1163 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1164 			lpfc_els_flush_rscn(vport);
1165 		goto out;
1166 	}
1167 
1168 	if (lpfc_els_chk_latt(vport)) {
1169 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1170 				 "4108 Link event during NS query\n");
1171 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1172 			lpfc_els_flush_rscn(vport);
1173 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1174 		goto out;
1175 	}
1176 	if (lpfc_error_lost_link(vport, ulp_status, ulp_word4)) {
1177 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1178 				 "4166 NS query failed due to link event: "
1179 				 "ulp_status x%x ulp_word4 x%x fc_flag x%lx "
1180 				 "port_state x%x gidft_inp x%x\n",
1181 				 ulp_status, ulp_word4, vport->fc_flag,
1182 				 vport->port_state, vport->gidft_inp);
1183 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1184 			lpfc_els_flush_rscn(vport);
1185 		if (vport->gidft_inp)
1186 			vport->gidft_inp--;
1187 		goto out;
1188 	}
1189 
1190 	if (test_and_clear_bit(FC_RSCN_DEFERRED, &vport->fc_flag)) {
1191 		/* This is a GID_PT completing so the gidft_inp counter was
1192 		 * incremented before the GID_PT was issued to the wire.
1193 		 */
1194 		if (vport->gidft_inp)
1195 			vport->gidft_inp--;
1196 
1197 		/*
1198 		 * Skip processing the NS response
1199 		 * Re-issue the NS cmd
1200 		 */
1201 		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
1202 				 "4167 Process Deferred RSCN Data: x%lx x%x\n",
1203 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1204 		lpfc_els_handle_rscn(vport);
1205 
1206 		goto out;
1207 	}
1208 
1209 	if (ulp_status) {
1210 		/* Check for retry */
1211 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1212 			if (ulp_status != IOSTAT_LOCAL_REJECT ||
1213 			    (ulp_word4 & IOERR_PARAM_MASK) !=
1214 			    IOERR_NO_RESOURCES)
1215 				vport->fc_ns_retry++;
1216 
1217 			/* CT command is being retried */
1218 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
1219 					 vport->fc_ns_retry, GID_PT_N_PORT);
1220 			if (rc == 0)
1221 				goto out;
1222 			else { /* Unable to send NS cmd */
1223 				if (vport->gidft_inp)
1224 					vport->gidft_inp--;
1225 			}
1226 		}
1227 		if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1228 			lpfc_els_flush_rscn(vport);
1229 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1230 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1231 				 "4103 GID_FT Query error: 0x%x 0x%x\n",
1232 				 ulp_status, vport->fc_ns_retry);
1233 	} else {
1234 		/* Good status, continue checking */
1235 		CTreq = (struct lpfc_sli_ct_request *)inp->virt;
1236 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1237 		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1238 		    SLI_CT_RESPONSE_FS_ACC) {
1239 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1240 					 "4105 NameServer Rsp Data: x%lx x%x "
1241 					 "x%x x%x sz x%x\n",
1242 					 vport->fc_flag,
1243 					 CTreq->un.gid.Fc4Type,
1244 					 vport->num_disc_nodes,
1245 					 vport->gidft_inp,
1246 					 get_job_data_placed(phba, rspiocb));
1247 
1248 			lpfc_ns_rsp(vport,
1249 				    outp,
1250 				    CTreq->un.gid.Fc4Type,
1251 				    get_job_data_placed(phba, rspiocb));
1252 		} else if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1253 			   SLI_CT_RESPONSE_FS_RJT) {
1254 			/* NameServer Rsp Error */
1255 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1256 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1257 				lpfc_printf_vlog(
1258 					vport, KERN_INFO, LOG_DISCOVERY,
1259 					"4106 No NameServer Entries "
1260 					"Data: x%x x%x x%x x%lx\n",
1261 					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1262 					(uint32_t)CTrsp->ReasonCode,
1263 					(uint32_t)CTrsp->Explanation,
1264 					vport->fc_flag);
1265 
1266 				lpfc_debugfs_disc_trc(
1267 				vport, LPFC_DISC_TRC_CT,
1268 				"GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
1269 				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1270 				(uint32_t)CTrsp->ReasonCode,
1271 				(uint32_t)CTrsp->Explanation);
1272 			} else {
1273 				lpfc_printf_vlog(
1274 					vport, KERN_INFO, LOG_DISCOVERY,
1275 					"4107 NameServer Rsp Error "
1276 					"Data: x%x x%x x%x x%lx\n",
1277 					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1278 					(uint32_t)CTrsp->ReasonCode,
1279 					(uint32_t)CTrsp->Explanation,
1280 					vport->fc_flag);
1281 
1282 				lpfc_debugfs_disc_trc(
1283 				vport, LPFC_DISC_TRC_CT,
1284 				"GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1285 				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1286 				(uint32_t)CTrsp->ReasonCode,
1287 				(uint32_t)CTrsp->Explanation);
1288 			}
1289 		} else {
1290 			/* NameServer Rsp Error */
1291 			lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1292 					 "4109 NameServer Rsp Error "
1293 					 "Data: x%x x%x x%x x%lx\n",
1294 					 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1295 					 (uint32_t)CTrsp->ReasonCode,
1296 					 (uint32_t)CTrsp->Explanation,
1297 					 vport->fc_flag);
1298 
1299 			lpfc_debugfs_disc_trc(
1300 				vport, LPFC_DISC_TRC_CT,
1301 				"GID_PT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1302 				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1303 				(uint32_t)CTrsp->ReasonCode,
1304 				(uint32_t)CTrsp->Explanation);
1305 		}
1306 		if (vport->gidft_inp)
1307 			vport->gidft_inp--;
1308 	}
1309 
1310 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1311 			 "6450 GID_PT cmpl inp %d disc %d\n",
1312 			 vport->gidft_inp, vport->num_disc_nodes);
1313 
1314 	/* Link up / RSCN discovery */
1315 	if ((vport->num_disc_nodes == 0) &&
1316 	    (vport->gidft_inp == 0)) {
1317 		/*
1318 		 * The driver has cycled through all Nports in the RSCN payload.
1319 		 * Complete the handling by cleaning up and marking the
1320 		 * current driver state.
1321 		 */
1322 		if (vport->port_state >= LPFC_DISC_AUTH) {
1323 			if (test_bit(FC_RSCN_MODE, &vport->fc_flag)) {
1324 				lpfc_els_flush_rscn(vport);
1325 				/* RSCN still */
1326 				set_bit(FC_RSCN_MODE, &vport->fc_flag);
1327 			} else {
1328 				lpfc_els_flush_rscn(vport);
1329 			}
1330 		}
1331 
1332 		lpfc_disc_start(vport);
1333 	}
1334 out:
1335 	lpfc_ct_free_iocb(phba, cmdiocb);
1336 	lpfc_nlp_put(ndlp);
1337 }
1338 
1339 static void
1340 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1341 			struct lpfc_iocbq *rspiocb)
1342 {
1343 	struct lpfc_vport *vport = cmdiocb->vport;
1344 	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1345 	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1346 	struct lpfc_sli_ct_request *CTrsp;
1347 	int did, rc, retry;
1348 	uint8_t fbits;
1349 	struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL;
1350 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1351 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
1352 
1353 	did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1354 	did = be32_to_cpu(did);
1355 
1356 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1357 		"GFF_ID cmpl:     status:x%x/x%x did:x%x",
1358 		ulp_status, ulp_word4, did);
1359 
1360 	/* Ignore response if link flipped after this request was made */
1361 	if (cmdiocb->event_tag != phba->fc_eventTag) {
1362 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1363 				 "9045 Event tag mismatch. Ignoring NS rsp\n");
1364 		goto iocb_free;
1365 	}
1366 
1367 	if (ulp_status == IOSTAT_SUCCESS) {
1368 		/* Good status, continue checking */
1369 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1370 		fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1371 
1372 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1373 				 "6431 Process GFF_ID rsp for %08x "
1374 				 "fbits %02x %s %s\n",
1375 				 did, fbits,
1376 				 (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1377 				 (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1378 
1379 		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1380 		    SLI_CT_RESPONSE_FS_ACC) {
1381 			if ((fbits & FC4_FEATURE_INIT) &&
1382 			    !(fbits & FC4_FEATURE_TARGET)) {
1383 				lpfc_printf_vlog(vport, KERN_INFO,
1384 						 LOG_DISCOVERY,
1385 						 "0270 Skip x%x GFF "
1386 						 "NameServer Rsp Data: (init) "
1387 						 "x%x x%x\n", did, fbits,
1388 						 vport->fc_rscn_id_cnt);
1389 				goto out;
1390 			}
1391 		}
1392 	}
1393 	else {
1394 		/* Check for retry */
1395 		if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1396 			retry = 1;
1397 			if (ulp_status == IOSTAT_LOCAL_REJECT) {
1398 				switch ((ulp_word4 &
1399 					IOERR_PARAM_MASK)) {
1400 
1401 				case IOERR_NO_RESOURCES:
1402 					/* We don't increment the retry
1403 					 * count for this case.
1404 					 */
1405 					break;
1406 				case IOERR_LINK_DOWN:
1407 				case IOERR_SLI_ABORTED:
1408 				case IOERR_SLI_DOWN:
1409 					retry = 0;
1410 					break;
1411 				default:
1412 					cmdiocb->retry++;
1413 				}
1414 			}
1415 			else
1416 				cmdiocb->retry++;
1417 
1418 			if (retry) {
1419 				/* CT command is being retried */
1420 				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1421 					 cmdiocb->retry, did);
1422 				if (rc == 0) {
1423 					/* success */
1424 					free_ndlp = cmdiocb->ndlp;
1425 					lpfc_ct_free_iocb(phba, cmdiocb);
1426 					lpfc_nlp_put(free_ndlp);
1427 					return;
1428 				}
1429 			}
1430 		}
1431 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1432 				 "0267 NameServer GFF Rsp "
1433 				 "x%x Error (%d %d) Data: x%lx x%x\n",
1434 				 did, ulp_status, ulp_word4,
1435 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1436 	}
1437 
1438 	/* This is a target port, unregistered port, or the GFF_ID failed */
1439 	ndlp = lpfc_setup_disc_node(vport, did);
1440 	if (ndlp) {
1441 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1442 				 "0242 Process x%x GFF "
1443 				 "NameServer Rsp Data: x%x x%lx x%x\n",
1444 				 did, ndlp->nlp_flag, vport->fc_flag,
1445 				 vport->fc_rscn_id_cnt);
1446 	} else {
1447 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1448 				 "0243 Skip x%x GFF "
1449 				 "NameServer Rsp Data: x%lx x%x\n", did,
1450 				 vport->fc_flag, vport->fc_rscn_id_cnt);
1451 	}
1452 out:
1453 	/* Link up / RSCN discovery */
1454 	if (vport->num_disc_nodes)
1455 		vport->num_disc_nodes--;
1456 
1457 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1458 			 "6451 GFF_ID cmpl inp %d disc %d\n",
1459 			 vport->gidft_inp, vport->num_disc_nodes);
1460 
1461 	if (vport->num_disc_nodes == 0) {
1462 		/*
1463 		 * The driver has cycled through all Nports in the RSCN payload.
1464 		 * Complete the handling by cleaning up and marking the
1465 		 * current driver state.
1466 		 */
1467 		if (vport->port_state >= LPFC_DISC_AUTH) {
1468 			if (test_bit(FC_RSCN_MODE, &vport->fc_flag)) {
1469 				lpfc_els_flush_rscn(vport);
1470 				/* RSCN still */
1471 				set_bit(FC_RSCN_MODE, &vport->fc_flag);
1472 			} else {
1473 				lpfc_els_flush_rscn(vport);
1474 			}
1475 		}
1476 		lpfc_disc_start(vport);
1477 	}
1478 
1479 iocb_free:
1480 	free_ndlp = cmdiocb->ndlp;
1481 	lpfc_ct_free_iocb(phba, cmdiocb);
1482 	lpfc_nlp_put(free_ndlp);
1483 	return;
1484 }
1485 
1486 static void
1487 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1488 			struct lpfc_iocbq *rspiocb)
1489 {
1490 	struct lpfc_vport *vport = cmdiocb->vport;
1491 	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1492 	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1493 	struct lpfc_sli_ct_request *CTrsp;
1494 	int did;
1495 	struct lpfc_nodelist *ndlp = NULL;
1496 	struct lpfc_nodelist *ns_ndlp = cmdiocb->ndlp;
1497 	uint32_t fc4_data_0, fc4_data_1;
1498 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1499 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
1500 
1501 	did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1502 	did = be32_to_cpu(did);
1503 
1504 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1505 			      "GFT_ID cmpl: status:x%x/x%x did:x%x",
1506 			      ulp_status, ulp_word4, did);
1507 
1508 	/* Ignore response if link flipped after this request was made */
1509 	if ((uint32_t)cmdiocb->event_tag != phba->fc_eventTag) {
1510 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1511 				 "9046 Event tag mismatch. Ignoring NS rsp\n");
1512 		goto out;
1513 	}
1514 
1515 	if (ulp_status == IOSTAT_SUCCESS) {
1516 		/* Good status, continue checking */
1517 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1518 		fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1519 		fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1520 
1521 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1522 				 "6432 Process GFT_ID rsp for %08x "
1523 				 "Data %08x %08x %s %s\n",
1524 				 did, fc4_data_0, fc4_data_1,
1525 				 (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1526 				  "FCP" : " ",
1527 				 (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1528 				  "NVME" : " ");
1529 
1530 		/* Lookup the NPort_ID queried in the GFT_ID and find the
1531 		 * driver's local node.  It's an error if the driver
1532 		 * doesn't have one.
1533 		 */
1534 		ndlp = lpfc_findnode_did(vport, did);
1535 		if (ndlp) {
1536 			/* The bitmask value for FCP and NVME FCP types is
1537 			 * the same because they are 32 bits distant from
1538 			 * each other in word0 and word0.
1539 			 */
1540 			if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1541 				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1542 			if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1543 				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1544 			lpfc_printf_vlog(vport, KERN_INFO,
1545 					 LOG_DISCOVERY | LOG_NODE,
1546 					 "3064 Setting ndlp x%px, DID x%06x "
1547 					 "with FC4 x%08x, Data: x%08x x%08x "
1548 					 "%d\n",
1549 					 ndlp, did, ndlp->nlp_fc4_type,
1550 					 FC_TYPE_FCP, FC_TYPE_NVME,
1551 					 ndlp->nlp_state);
1552 
1553 			if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
1554 			    ndlp->nlp_fc4_type) {
1555 				ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1556 				/* This is a fabric topology so if discovery
1557 				 * started with an unsolicited PLOGI, don't
1558 				 * send a PRLI.  Targets don't issue PLOGI or
1559 				 * PRLI when acting as a target. Likely this is
1560 				 * an initiator function.
1561 				 */
1562 				if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) {
1563 					lpfc_nlp_set_state(vport, ndlp,
1564 							   NLP_STE_PRLI_ISSUE);
1565 					lpfc_issue_els_prli(vport, ndlp, 0);
1566 				}
1567 			} else if (!ndlp->nlp_fc4_type) {
1568 				/* If fc4 type is still unknown, then LOGO */
1569 				lpfc_printf_vlog(vport, KERN_INFO,
1570 						 LOG_DISCOVERY | LOG_NODE,
1571 						 "6443 Sending LOGO ndlp x%px,"
1572 						 "DID x%06x with fc4_type: "
1573 						 "x%08x, state: %d\n",
1574 						 ndlp, did, ndlp->nlp_fc4_type,
1575 						 ndlp->nlp_state);
1576 				lpfc_issue_els_logo(vport, ndlp, 0);
1577 				ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1578 				lpfc_nlp_set_state(vport, ndlp,
1579 						   NLP_STE_NPR_NODE);
1580 			}
1581 		}
1582 	} else
1583 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1584 				 "3065 GFT_ID failed x%08x\n", ulp_status);
1585 
1586 out:
1587 	lpfc_ct_free_iocb(phba, cmdiocb);
1588 	lpfc_nlp_put(ns_ndlp);
1589 }
1590 
1591 static void
1592 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1593 	     struct lpfc_iocbq *rspiocb)
1594 {
1595 	struct lpfc_vport *vport = cmdiocb->vport;
1596 	struct lpfc_dmabuf *inp;
1597 	struct lpfc_dmabuf *outp;
1598 	struct lpfc_sli_ct_request *CTrsp;
1599 	struct lpfc_nodelist *ndlp;
1600 	int cmdcode, rc;
1601 	uint8_t retry;
1602 	uint32_t latt;
1603 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1604 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
1605 
1606 	/* First save ndlp, before we overwrite it */
1607 	ndlp = cmdiocb->ndlp;
1608 
1609 	/* we pass cmdiocb to state machine which needs rspiocb as well */
1610 	cmdiocb->rsp_iocb = rspiocb;
1611 
1612 	inp = cmdiocb->cmd_dmabuf;
1613 	outp = cmdiocb->rsp_dmabuf;
1614 
1615 	cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1616 					CommandResponse.bits.CmdRsp);
1617 	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1618 
1619 	latt = lpfc_els_chk_latt(vport);
1620 
1621 	/* RFT request completes status <ulp_status> CmdRsp <CmdRsp> */
1622 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1623 			 "0209 CT Request completes, latt %d, "
1624 			 "ulp_status x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1625 			 latt, ulp_status,
1626 			 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1627 			 get_job_ulpcontext(phba, cmdiocb), cmdiocb->iotag);
1628 
1629 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1630 		"CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1631 		ulp_status, ulp_word4, cmdcode);
1632 
1633 	if (ulp_status) {
1634 		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1635 				 "0268 NS cmd x%x Error (x%x x%x)\n",
1636 				 cmdcode, ulp_status, ulp_word4);
1637 
1638 		if (ulp_status == IOSTAT_LOCAL_REJECT &&
1639 		    (((ulp_word4 & IOERR_PARAM_MASK) ==
1640 		      IOERR_SLI_DOWN) ||
1641 		     ((ulp_word4 & IOERR_PARAM_MASK) ==
1642 		      IOERR_SLI_ABORTED)))
1643 			goto out;
1644 
1645 		retry = cmdiocb->retry;
1646 		if (retry >= LPFC_MAX_NS_RETRY)
1647 			goto out;
1648 
1649 		retry++;
1650 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1651 				 "0250 Retrying NS cmd %x\n", cmdcode);
1652 		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1653 		if (rc == 0)
1654 			goto out;
1655 	}
1656 
1657 out:
1658 	lpfc_ct_free_iocb(phba, cmdiocb);
1659 	lpfc_nlp_put(ndlp);
1660 	return;
1661 }
1662 
1663 static void
1664 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1665 			struct lpfc_iocbq *rspiocb)
1666 {
1667 	struct lpfc_vport *vport = cmdiocb->vport;
1668 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1669 
1670 	if (ulp_status == IOSTAT_SUCCESS) {
1671 		struct lpfc_dmabuf *outp;
1672 		struct lpfc_sli_ct_request *CTrsp;
1673 
1674 		outp = cmdiocb->rsp_dmabuf;
1675 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1676 		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1677 		    SLI_CT_RESPONSE_FS_ACC)
1678 			vport->ct_flags |= FC_CT_RFT_ID;
1679 	}
1680 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1681 	return;
1682 }
1683 
1684 static void
1685 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1686 			struct lpfc_iocbq *rspiocb)
1687 {
1688 	struct lpfc_vport *vport = cmdiocb->vport;
1689 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1690 
1691 	if (ulp_status == IOSTAT_SUCCESS) {
1692 		struct lpfc_dmabuf *outp;
1693 		struct lpfc_sli_ct_request *CTrsp;
1694 
1695 		outp = cmdiocb->rsp_dmabuf;
1696 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1697 		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1698 		    SLI_CT_RESPONSE_FS_ACC)
1699 			vport->ct_flags |= FC_CT_RNN_ID;
1700 	}
1701 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1702 	return;
1703 }
1704 
1705 static void
1706 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1707 			 struct lpfc_iocbq *rspiocb)
1708 {
1709 	struct lpfc_vport *vport = cmdiocb->vport;
1710 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1711 
1712 	if (ulp_status == IOSTAT_SUCCESS) {
1713 		struct lpfc_dmabuf *outp;
1714 		struct lpfc_sli_ct_request *CTrsp;
1715 
1716 		outp = cmdiocb->rsp_dmabuf;
1717 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1718 		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1719 		    SLI_CT_RESPONSE_FS_ACC)
1720 			vport->ct_flags |= FC_CT_RSPN_ID;
1721 	}
1722 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1723 	return;
1724 }
1725 
1726 static void
1727 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1728 			 struct lpfc_iocbq *rspiocb)
1729 {
1730 	struct lpfc_vport *vport = cmdiocb->vport;
1731 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1732 
1733 	if (ulp_status == IOSTAT_SUCCESS) {
1734 		struct lpfc_dmabuf *outp;
1735 		struct lpfc_sli_ct_request *CTrsp;
1736 
1737 		outp = cmdiocb->rsp_dmabuf;
1738 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1739 		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1740 		    SLI_CT_RESPONSE_FS_ACC)
1741 			vport->ct_flags |= FC_CT_RSNN_NN;
1742 	}
1743 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1744 	return;
1745 }
1746 
1747 static void
1748 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1749  struct lpfc_iocbq *rspiocb)
1750 {
1751 	struct lpfc_vport *vport = cmdiocb->vport;
1752 
1753 	/* even if it fails we will act as though it succeeded. */
1754 	vport->ct_flags = 0;
1755 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1756 	return;
1757 }
1758 
1759 static void
1760 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1761 			struct lpfc_iocbq *rspiocb)
1762 {
1763 	struct lpfc_vport *vport = cmdiocb->vport;
1764 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1765 
1766 	if (ulp_status == IOSTAT_SUCCESS) {
1767 		struct lpfc_dmabuf *outp;
1768 		struct lpfc_sli_ct_request *CTrsp;
1769 
1770 		outp = cmdiocb->rsp_dmabuf;
1771 		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1772 		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1773 		    SLI_CT_RESPONSE_FS_ACC)
1774 			vport->ct_flags |= FC_CT_RFF_ID;
1775 	}
1776 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1777 	return;
1778 }
1779 
1780 /*
1781  * Although the symbolic port name is thought to be an integer
1782  * as of January 18, 2016, leave it as a string until more of
1783  * the record state becomes defined.
1784  */
1785 int
1786 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1787 	size_t size)
1788 {
1789 	int n;
1790 
1791 	/*
1792 	 * Use the lpfc board number as the Symbolic Port
1793 	 * Name object.  NPIV is not in play so this integer
1794 	 * value is sufficient and unique per FC-ID.
1795 	 */
1796 	n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
1797 	return n;
1798 }
1799 
1800 
1801 int
1802 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1803 	size_t size)
1804 {
1805 	char fwrev[FW_REV_STR_SIZE] = {0};
1806 	char tmp[MAXHOSTNAMELEN] = {0};
1807 
1808 	memset(symbol, 0, size);
1809 
1810 	scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
1811 	if (strlcat(symbol, tmp, size) >= size)
1812 		goto buffer_done;
1813 
1814 	lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1815 	scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
1816 	if (strlcat(symbol, tmp, size) >= size)
1817 		goto buffer_done;
1818 
1819 	scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
1820 	if (strlcat(symbol, tmp, size) >= size)
1821 		goto buffer_done;
1822 
1823 	scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
1824 	if (strlcat(symbol, tmp, size) >= size)
1825 		goto buffer_done;
1826 
1827 	/* Note :- OS name is "Linux" */
1828 	scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
1829 	strlcat(symbol, tmp, size);
1830 
1831 buffer_done:
1832 	return strnlen(symbol, size);
1833 
1834 }
1835 
1836 static uint32_t
1837 lpfc_find_map_node(struct lpfc_vport *vport)
1838 {
1839 	struct lpfc_nodelist *ndlp, *next_ndlp;
1840 	unsigned long iflags;
1841 	uint32_t cnt = 0;
1842 
1843 	spin_lock_irqsave(&vport->fc_nodes_list_lock, iflags);
1844 	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1845 		if (ndlp->nlp_type & NLP_FABRIC)
1846 			continue;
1847 		if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1848 		    (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1849 			cnt++;
1850 	}
1851 	spin_unlock_irqrestore(&vport->fc_nodes_list_lock, iflags);
1852 	return cnt;
1853 }
1854 
1855 /*
1856  * This routine will return the FC4 Type associated with the CT
1857  * GID_FT command.
1858  */
1859 int
1860 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1861 {
1862 	struct lpfc_sli_ct_request *CtReq;
1863 	struct lpfc_dmabuf *mp;
1864 	uint32_t type;
1865 
1866 	mp = cmdiocb->cmd_dmabuf;
1867 	if (mp == NULL)
1868 		return 0;
1869 	CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1870 	type = (uint32_t)CtReq->un.gid.Fc4Type;
1871 	if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1872 		return 0;
1873 	return type;
1874 }
1875 
1876 /*
1877  * lpfc_ns_cmd
1878  * Description:
1879  *    Issue Cmd to NameServer
1880  *       SLI_CTNS_GID_FT
1881  *       LI_CTNS_RFT_ID
1882  */
1883 int
1884 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1885 	    uint8_t retry, uint32_t context)
1886 {
1887 	struct lpfc_nodelist * ndlp;
1888 	struct lpfc_hba *phba = vport->phba;
1889 	struct lpfc_dmabuf *mp, *bmp;
1890 	struct lpfc_sli_ct_request *CtReq;
1891 	struct ulp_bde64 *bpl;
1892 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1893 		      struct lpfc_iocbq *) = NULL;
1894 	uint32_t *ptr;
1895 	uint32_t rsp_size = 1024;
1896 	size_t   size;
1897 	int rc = 0;
1898 
1899 	ndlp = lpfc_findnode_did(vport, NameServer_DID);
1900 	if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1901 		rc=1;
1902 		goto ns_cmd_exit;
1903 	}
1904 
1905 	/* fill in BDEs for command */
1906 	/* Allocate buffer for command payload */
1907 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1908 	if (!mp) {
1909 		rc=2;
1910 		goto ns_cmd_exit;
1911 	}
1912 
1913 	INIT_LIST_HEAD(&mp->list);
1914 	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1915 	if (!mp->virt) {
1916 		rc=3;
1917 		goto ns_cmd_free_mp;
1918 	}
1919 
1920 	/* Allocate buffer for Buffer ptr list */
1921 	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1922 	if (!bmp) {
1923 		rc=4;
1924 		goto ns_cmd_free_mpvirt;
1925 	}
1926 
1927 	INIT_LIST_HEAD(&bmp->list);
1928 	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1929 	if (!bmp->virt) {
1930 		rc=5;
1931 		goto ns_cmd_free_bmp;
1932 	}
1933 
1934 	/* NameServer Req */
1935 	lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1936 			 "0236 NameServer Req Data: x%x x%lx x%x x%x\n",
1937 			 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1938 			 context);
1939 
1940 	bpl = (struct ulp_bde64 *) bmp->virt;
1941 	memset(bpl, 0, sizeof(struct ulp_bde64));
1942 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1943 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1944 	bpl->tus.f.bdeFlags = 0;
1945 	if (cmdcode == SLI_CTNS_GID_FT)
1946 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1947 	else if (cmdcode == SLI_CTNS_GID_PT)
1948 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1949 	else if (cmdcode == SLI_CTNS_GFF_ID)
1950 		bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1951 	else if (cmdcode == SLI_CTNS_GFT_ID)
1952 		bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1953 	else if (cmdcode == SLI_CTNS_RFT_ID)
1954 		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1955 	else if (cmdcode == SLI_CTNS_RNN_ID)
1956 		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1957 	else if (cmdcode == SLI_CTNS_RSPN_ID)
1958 		bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1959 	else if (cmdcode == SLI_CTNS_RSNN_NN)
1960 		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1961 	else if (cmdcode == SLI_CTNS_DA_ID)
1962 		bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1963 	else if (cmdcode == SLI_CTNS_RFF_ID)
1964 		bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1965 	else
1966 		bpl->tus.f.bdeSize = 0;
1967 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1968 
1969 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1970 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1971 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1972 	CtReq->RevisionId.bits.InId = 0;
1973 	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1974 	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1975 	CtReq->CommandResponse.bits.Size = 0;
1976 	switch (cmdcode) {
1977 	case SLI_CTNS_GID_FT:
1978 		CtReq->CommandResponse.bits.CmdRsp =
1979 		    cpu_to_be16(SLI_CTNS_GID_FT);
1980 		CtReq->un.gid.Fc4Type = context;
1981 
1982 		if (vport->port_state < LPFC_NS_QRY)
1983 			vport->port_state = LPFC_NS_QRY;
1984 		lpfc_set_disctmo(vport);
1985 		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1986 		rsp_size = FC_MAX_NS_RSP;
1987 		break;
1988 
1989 	case SLI_CTNS_GID_PT:
1990 		CtReq->CommandResponse.bits.CmdRsp =
1991 		    cpu_to_be16(SLI_CTNS_GID_PT);
1992 		CtReq->un.gid.PortType = 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_pt;
1998 		rsp_size = FC_MAX_NS_RSP;
1999 		break;
2000 
2001 	case SLI_CTNS_GFF_ID:
2002 		CtReq->CommandResponse.bits.CmdRsp =
2003 			cpu_to_be16(SLI_CTNS_GFF_ID);
2004 		CtReq->un.gff.PortId = cpu_to_be32(context);
2005 		cmpl = lpfc_cmpl_ct_cmd_gff_id;
2006 		break;
2007 
2008 	case SLI_CTNS_GFT_ID:
2009 		CtReq->CommandResponse.bits.CmdRsp =
2010 			cpu_to_be16(SLI_CTNS_GFT_ID);
2011 		CtReq->un.gft.PortId = cpu_to_be32(context);
2012 		cmpl = lpfc_cmpl_ct_cmd_gft_id;
2013 		break;
2014 
2015 	case SLI_CTNS_RFT_ID:
2016 		vport->ct_flags &= ~FC_CT_RFT_ID;
2017 		CtReq->CommandResponse.bits.CmdRsp =
2018 		    cpu_to_be16(SLI_CTNS_RFT_ID);
2019 		CtReq->un.rft.port_id = cpu_to_be32(vport->fc_myDID);
2020 
2021 		/* Register Application Services type if vmid enabled. */
2022 		if (phba->cfg_vmid_app_header)
2023 			CtReq->un.rft.app_serv_reg =
2024 				cpu_to_be32(RFT_APP_SERV_REG);
2025 
2026 		/* Register FC4 FCP type if enabled.  */
2027 		if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2028 		    vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
2029 			CtReq->un.rft.fcp_reg = cpu_to_be32(RFT_FCP_REG);
2030 
2031 		/* Register NVME type if enabled. */
2032 		if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2033 		    vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
2034 			CtReq->un.rft.nvme_reg = cpu_to_be32(RFT_NVME_REG);
2035 
2036 		ptr = (uint32_t *)CtReq;
2037 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2038 				 "6433 Issue RFT (%s %s %s): %08x %08x %08x "
2039 				 "%08x %08x %08x %08x %08x\n",
2040 				 CtReq->un.rft.fcp_reg ? "FCP" : " ",
2041 				 CtReq->un.rft.nvme_reg ? "NVME" : " ",
2042 				 CtReq->un.rft.app_serv_reg ? "APPS" : " ",
2043 				 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2044 				 *(ptr + 4), *(ptr + 5),
2045 				 *(ptr + 6), *(ptr + 7));
2046 		cmpl = lpfc_cmpl_ct_cmd_rft_id;
2047 		break;
2048 
2049 	case SLI_CTNS_RNN_ID:
2050 		vport->ct_flags &= ~FC_CT_RNN_ID;
2051 		CtReq->CommandResponse.bits.CmdRsp =
2052 		    cpu_to_be16(SLI_CTNS_RNN_ID);
2053 		CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
2054 		memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
2055 		       sizeof(struct lpfc_name));
2056 		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
2057 		break;
2058 
2059 	case SLI_CTNS_RSPN_ID:
2060 		vport->ct_flags &= ~FC_CT_RSPN_ID;
2061 		CtReq->CommandResponse.bits.CmdRsp =
2062 		    cpu_to_be16(SLI_CTNS_RSPN_ID);
2063 		CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
2064 		size = sizeof(CtReq->un.rspn.symbname);
2065 		CtReq->un.rspn.len =
2066 			lpfc_vport_symbolic_port_name(vport,
2067 			CtReq->un.rspn.symbname, size);
2068 		cmpl = lpfc_cmpl_ct_cmd_rspn_id;
2069 		break;
2070 	case SLI_CTNS_RSNN_NN:
2071 		vport->ct_flags &= ~FC_CT_RSNN_NN;
2072 		CtReq->CommandResponse.bits.CmdRsp =
2073 		    cpu_to_be16(SLI_CTNS_RSNN_NN);
2074 		memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
2075 		       sizeof(struct lpfc_name));
2076 		size = sizeof(CtReq->un.rsnn.symbname);
2077 		CtReq->un.rsnn.len =
2078 			lpfc_vport_symbolic_node_name(vport,
2079 			CtReq->un.rsnn.symbname, size);
2080 		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
2081 		break;
2082 	case SLI_CTNS_DA_ID:
2083 		/* Implement DA_ID Nameserver request */
2084 		CtReq->CommandResponse.bits.CmdRsp =
2085 			cpu_to_be16(SLI_CTNS_DA_ID);
2086 		CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
2087 		cmpl = lpfc_cmpl_ct_cmd_da_id;
2088 		break;
2089 	case SLI_CTNS_RFF_ID:
2090 		vport->ct_flags &= ~FC_CT_RFF_ID;
2091 		CtReq->CommandResponse.bits.CmdRsp =
2092 		    cpu_to_be16(SLI_CTNS_RFF_ID);
2093 		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
2094 		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
2095 
2096 		/* The driver always supports FC_TYPE_FCP.  However, the
2097 		 * caller can specify NVME (type x28) as well.  But only
2098 		 * these that FC4 type is supported.
2099 		 */
2100 		if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2101 		     (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
2102 		    (context == FC_TYPE_NVME)) {
2103 			if ((vport == phba->pport) && phba->nvmet_support) {
2104 				CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
2105 					FC4_FEATURE_NVME_DISC);
2106 				lpfc_nvmet_update_targetport(phba);
2107 			} else {
2108 				lpfc_nvme_update_localport(vport);
2109 			}
2110 			CtReq->un.rff.type_code = context;
2111 
2112 		} else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2113 			    (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
2114 			   (context == FC_TYPE_FCP))
2115 			CtReq->un.rff.type_code = context;
2116 
2117 		else
2118 			goto ns_cmd_free_bmpvirt;
2119 
2120 		ptr = (uint32_t *)CtReq;
2121 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2122 				 "6434 Issue RFF (%s): %08x %08x %08x %08x "
2123 				 "%08x %08x %08x %08x\n",
2124 				 (context == FC_TYPE_NVME) ? "NVME" : "FCP",
2125 				 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2126 				 *(ptr + 4), *(ptr + 5),
2127 				 *(ptr + 6), *(ptr + 7));
2128 		cmpl = lpfc_cmpl_ct_cmd_rff_id;
2129 		break;
2130 	}
2131 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2132 	 * to hold ndlp reference for the corresponding callback function.
2133 	 */
2134 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
2135 		/* On success, The cmpl function will free the buffers */
2136 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2137 			"Issue CT cmd:    cmd:x%x did:x%x",
2138 			cmdcode, ndlp->nlp_DID, 0);
2139 		return 0;
2140 	}
2141 	rc=6;
2142 
2143 ns_cmd_free_bmpvirt:
2144 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2145 ns_cmd_free_bmp:
2146 	kfree(bmp);
2147 ns_cmd_free_mpvirt:
2148 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
2149 ns_cmd_free_mp:
2150 	kfree(mp);
2151 ns_cmd_exit:
2152 	lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
2153 			 "0266 Issue NameServer Req x%x err %d Data: x%lx "
2154 			 "x%x\n",
2155 			 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
2156 	return 1;
2157 }
2158 
2159 /**
2160  * lpfc_fdmi_rprt_defer - Check for any deferred FDMI RPRT commands
2161  * @phba: Pointer to HBA context object.
2162  * @mask: Initial port attributes mask
2163  *
2164  * This function checks to see if any vports have deferred their FDMI RPRT.
2165  * A vports RPRT may be deferred if it is issued before the primary ports
2166  * RHBA completes.
2167  */
2168 static void
2169 lpfc_fdmi_rprt_defer(struct lpfc_hba *phba, uint32_t mask)
2170 {
2171 	struct lpfc_vport **vports;
2172 	struct lpfc_vport *vport;
2173 	struct lpfc_nodelist *ndlp;
2174 	int i;
2175 
2176 	phba->hba_flag |= HBA_RHBA_CMPL;
2177 	vports = lpfc_create_vport_work_array(phba);
2178 	if (vports) {
2179 		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2180 			vport = vports[i];
2181 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2182 			if (!ndlp)
2183 				continue;
2184 			if (vport->ct_flags & FC_CT_RPRT_DEFER) {
2185 				vport->ct_flags &= ~FC_CT_RPRT_DEFER;
2186 				vport->fdmi_port_mask = mask;
2187 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2188 			}
2189 		}
2190 	}
2191 	lpfc_destroy_vport_work_array(phba, vports);
2192 }
2193 
2194 /**
2195  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
2196  * @phba: Pointer to HBA context object.
2197  * @cmdiocb: Pointer to the command IOCBQ.
2198  * @rspiocb: Pointer to the response IOCBQ.
2199  *
2200  * This function to handle the completion of a driver initiated FDMI
2201  * CT command issued during discovery.
2202  */
2203 static void
2204 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
2205 		       struct lpfc_iocbq *rspiocb)
2206 {
2207 	struct lpfc_vport *vport = cmdiocb->vport;
2208 	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
2209 	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
2210 	struct lpfc_sli_ct_request *CTcmd = inp->virt;
2211 	struct lpfc_sli_ct_request *CTrsp = outp->virt;
2212 	__be16 fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
2213 	__be16 fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
2214 	struct lpfc_nodelist *ndlp, *free_ndlp = NULL;
2215 	uint32_t latt, cmd, err;
2216 	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
2217 	u32 ulp_word4 = get_job_word4(phba, rspiocb);
2218 
2219 	latt = lpfc_els_chk_latt(vport);
2220 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2221 		"FDMI cmpl:       status:x%x/x%x latt:%d",
2222 		ulp_status, ulp_word4, latt);
2223 
2224 	if (latt || ulp_status) {
2225 
2226 		/* Look for a retryable error */
2227 		if (ulp_status == IOSTAT_LOCAL_REJECT) {
2228 			switch ((ulp_word4 & IOERR_PARAM_MASK)) {
2229 			case IOERR_SLI_ABORTED:
2230 			case IOERR_SLI_DOWN:
2231 				/* Driver aborted this IO.  No retry as error
2232 				 * is likely Offline->Online or some adapter
2233 				 * error.  Recovery will try again.
2234 				 */
2235 				break;
2236 			case IOERR_ABORT_IN_PROGRESS:
2237 			case IOERR_SEQUENCE_TIMEOUT:
2238 			case IOERR_ILLEGAL_FRAME:
2239 			case IOERR_NO_RESOURCES:
2240 			case IOERR_ILLEGAL_COMMAND:
2241 				cmdiocb->retry++;
2242 				if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
2243 					break;
2244 
2245 				/* Retry the same FDMI command */
2246 				err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
2247 							  cmdiocb, 0);
2248 				if (err == IOCB_ERROR)
2249 					break;
2250 				return;
2251 			default:
2252 				break;
2253 			}
2254 		}
2255 
2256 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2257 				 "0229 FDMI cmd %04x failed, latt = %d "
2258 				 "ulp_status: x%x, rid x%x\n",
2259 				 be16_to_cpu(fdmi_cmd), latt, ulp_status,
2260 				 ulp_word4);
2261 	}
2262 
2263 	free_ndlp = cmdiocb->ndlp;
2264 	lpfc_ct_free_iocb(phba, cmdiocb);
2265 	lpfc_nlp_put(free_ndlp);
2266 
2267 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
2268 	if (!ndlp)
2269 		return;
2270 
2271 	/* Check for a CT LS_RJT response */
2272 	cmd =  be16_to_cpu(fdmi_cmd);
2273 	if (be16_to_cpu(fdmi_rsp) == SLI_CT_RESPONSE_FS_RJT) {
2274 		/* FDMI rsp failed */
2275 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY | LOG_ELS,
2276 				 "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
2277 
2278 		/* Should we fallback to FDMI-2 / FDMI-1 ? */
2279 		switch (cmd) {
2280 		case SLI_MGMT_RHBA:
2281 			if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
2282 				/* Fallback to FDMI-1 for HBA attributes */
2283 				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2284 
2285 				/* If HBA attributes are FDMI1, so should
2286 				 * port attributes be for consistency.
2287 				 */
2288 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2289 				/* Start over */
2290 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2291 			}
2292 			return;
2293 
2294 		case SLI_MGMT_RPRT:
2295 			if (vport->port_type != LPFC_PHYSICAL_PORT) {
2296 				ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2297 				if (!ndlp)
2298 					return;
2299 			}
2300 			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2301 				/* Fallback to FDMI-1 */
2302 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2303 				/* Start over */
2304 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2305 				return;
2306 			}
2307 			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2308 				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2309 				/* Retry the same command */
2310 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2311 			}
2312 			return;
2313 
2314 		case SLI_MGMT_RPA:
2315 			/* No retry on Vendor, RPA only done on physical port */
2316 			if (phba->link_flag & LS_CT_VEN_RPA) {
2317 				phba->link_flag &= ~LS_CT_VEN_RPA;
2318 				if (phba->cmf_active_mode == LPFC_CFG_OFF)
2319 					return;
2320 				lpfc_printf_log(phba, KERN_WARNING,
2321 						LOG_DISCOVERY | LOG_ELS,
2322 						"6460 VEN FDMI RPA RJT\n");
2323 				return;
2324 			}
2325 			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2326 				/* Fallback to FDMI-1 */
2327 				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2328 				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2329 				/* Start over */
2330 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2331 				return;
2332 			}
2333 			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2334 				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2335 				/* Retry the same command */
2336 				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2337 			}
2338 			return;
2339 		}
2340 	}
2341 
2342 	/*
2343 	 * On success, need to cycle thru FDMI registration for discovery
2344 	 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2345 	 * DPRT -> RPRT (vports)
2346 	 */
2347 	switch (cmd) {
2348 	case SLI_MGMT_RHBA:
2349 		/* Check for any RPRTs deferred till after RHBA completes */
2350 		lpfc_fdmi_rprt_defer(phba, vport->fdmi_port_mask);
2351 
2352 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
2353 		break;
2354 
2355 	case SLI_MGMT_DHBA:
2356 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2357 		break;
2358 
2359 	case SLI_MGMT_DPRT:
2360 		if (vport->port_type == LPFC_PHYSICAL_PORT) {
2361 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
2362 		} else {
2363 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2364 			if (!ndlp)
2365 				return;
2366 
2367 			/* Only issue a RPRT for the vport if the RHBA
2368 			 * for the physical port completes successfully.
2369 			 * We may have to defer the RPRT accordingly.
2370 			 */
2371 			if (phba->hba_flag & HBA_RHBA_CMPL) {
2372 				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2373 			} else {
2374 				lpfc_printf_vlog(vport, KERN_INFO,
2375 						 LOG_DISCOVERY,
2376 						 "6078 RPRT deferred\n");
2377 				vport->ct_flags |= FC_CT_RPRT_DEFER;
2378 			}
2379 		}
2380 		break;
2381 	case SLI_MGMT_RPA:
2382 		if (vport->port_type == LPFC_PHYSICAL_PORT &&
2383 		    phba->sli4_hba.pc_sli4_params.mi_ver) {
2384 			/* mi is only for the phyical port, no vports */
2385 			if (phba->link_flag & LS_CT_VEN_RPA) {
2386 				lpfc_printf_vlog(vport, KERN_INFO,
2387 						 LOG_DISCOVERY | LOG_ELS |
2388 						 LOG_CGN_MGMT,
2389 						 "6449 VEN RPA FDMI Success\n");
2390 				phba->link_flag &= ~LS_CT_VEN_RPA;
2391 				break;
2392 			}
2393 
2394 			lpfc_printf_log(phba, KERN_INFO,
2395 					LOG_DISCOVERY | LOG_CGN_MGMT,
2396 					"6210 Issue Vendor MI FDMI %x\n",
2397 					phba->sli4_hba.pc_sli4_params.mi_ver);
2398 
2399 			/* CGN is only for the physical port, no vports */
2400 			if (lpfc_fdmi_cmd(vport, ndlp, cmd,
2401 					  LPFC_FDMI_VENDOR_ATTR_mi) == 0)
2402 				phba->link_flag |= LS_CT_VEN_RPA;
2403 			lpfc_printf_log(phba, KERN_INFO,
2404 					LOG_DISCOVERY | LOG_ELS,
2405 					"6458 Send MI FDMI:%x Flag x%x\n",
2406 					phba->sli4_hba.pc_sli4_params.mi_ver,
2407 					phba->link_flag);
2408 		} else {
2409 			lpfc_printf_log(phba, KERN_INFO,
2410 					LOG_DISCOVERY | LOG_ELS,
2411 					"6459 No FDMI VEN MI support - "
2412 					"RPA Success\n");
2413 		}
2414 		break;
2415 	}
2416 	return;
2417 }
2418 
2419 
2420 /**
2421  * lpfc_fdmi_change_check - Check for changed FDMI parameters
2422  * @vport: pointer to a host virtual N_Port data structure.
2423  *
2424  * Check how many mapped NPorts we are connected to
2425  * Check if our hostname changed
2426  * Called from hbeat timeout routine to check if any FDMI parameters
2427  * changed. If so, re-register those Attributes.
2428  */
2429 void
2430 lpfc_fdmi_change_check(struct lpfc_vport *vport)
2431 {
2432 	struct lpfc_hba *phba = vport->phba;
2433 	struct lpfc_nodelist *ndlp;
2434 	uint16_t cnt;
2435 
2436 	if (!lpfc_is_link_up(phba))
2437 		return;
2438 
2439 	/* Must be connected to a Fabric */
2440 	if (!test_bit(FC_FABRIC, &vport->fc_flag))
2441 		return;
2442 
2443 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
2444 	if (!ndlp)
2445 		return;
2446 
2447 	/* Check if system hostname changed */
2448 	if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
2449 		memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
2450 		scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
2451 			  init_utsname()->nodename);
2452 		lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
2453 
2454 		/* Since this effects multiple HBA and PORT attributes, we need
2455 		 * de-register and go thru the whole FDMI registration cycle.
2456 		 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2457 		 * DPRT -> RPRT (vports)
2458 		 */
2459 		if (vport->port_type == LPFC_PHYSICAL_PORT) {
2460 			/* For extra Vendor RPA */
2461 			phba->link_flag &= ~LS_CT_VEN_RPA;
2462 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2463 		} else {
2464 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2465 			if (!ndlp)
2466 				return;
2467 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2468 		}
2469 
2470 		/* Since this code path registers all the port attributes
2471 		 * we can just return without further checking.
2472 		 */
2473 		return;
2474 	}
2475 
2476 	if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
2477 		return;
2478 
2479 	/* Check if the number of mapped NPorts changed */
2480 	cnt = lpfc_find_map_node(vport);
2481 	if (cnt == vport->fdmi_num_disc)
2482 		return;
2483 
2484 	if (vport->port_type == LPFC_PHYSICAL_PORT) {
2485 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
2486 			      LPFC_FDMI_PORT_ATTR_num_disc);
2487 	} else {
2488 		ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2489 		if (!ndlp)
2490 			return;
2491 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
2492 			      LPFC_FDMI_PORT_ATTR_num_disc);
2493 	}
2494 }
2495 
2496 static inline int
2497 lpfc_fdmi_set_attr_u32(void *attr, uint16_t attrtype, uint32_t attrval)
2498 {
2499 	struct lpfc_fdmi_attr_u32 *ae = attr;
2500 	int size = sizeof(*ae);
2501 
2502 	ae->type = cpu_to_be16(attrtype);
2503 	ae->len = cpu_to_be16(size);
2504 	ae->value_u32 = cpu_to_be32(attrval);
2505 
2506 	return size;
2507 }
2508 
2509 static inline int
2510 lpfc_fdmi_set_attr_wwn(void *attr, uint16_t attrtype, struct lpfc_name *wwn)
2511 {
2512 	struct lpfc_fdmi_attr_wwn *ae = attr;
2513 	int size = sizeof(*ae);
2514 
2515 	ae->type = cpu_to_be16(attrtype);
2516 	ae->len = cpu_to_be16(size);
2517 	/* WWN's assumed to be bytestreams - Big Endian presentation */
2518 	memcpy(ae->name, wwn,
2519 	       min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2520 
2521 	return size;
2522 }
2523 
2524 static inline int
2525 lpfc_fdmi_set_attr_fullwwn(void *attr, uint16_t attrtype,
2526 			   struct lpfc_name *wwnn, struct lpfc_name *wwpn)
2527 {
2528 	struct lpfc_fdmi_attr_fullwwn *ae = attr;
2529 	u8 *nname = ae->nname;
2530 	u8 *pname = ae->pname;
2531 	int size = sizeof(*ae);
2532 
2533 	ae->type = cpu_to_be16(attrtype);
2534 	ae->len = cpu_to_be16(size);
2535 	/* WWN's assumed to be bytestreams - Big Endian presentation */
2536 	memcpy(nname, wwnn,
2537 	       min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2538 	memcpy(pname, wwpn,
2539 	       min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2540 
2541 	return size;
2542 }
2543 
2544 static inline int
2545 lpfc_fdmi_set_attr_string(void *attr, uint16_t attrtype, char *attrstring)
2546 {
2547 	struct lpfc_fdmi_attr_string *ae = attr;
2548 	int len, size;
2549 
2550 	/*
2551 	 * We are trusting the caller that if a fdmi string field
2552 	 * is capped at 64 bytes, the caller passes in a string of
2553 	 * 64 bytes or less.
2554 	 */
2555 
2556 	strscpy(ae->value_string, attrstring, sizeof(ae->value_string));
2557 	len = strnlen(ae->value_string, sizeof(ae->value_string));
2558 	/* round string length to a 32bit boundary */
2559 	len += (len & 3) ? (4 - (len & 3)) : 4;
2560 	/* size is Type/Len (4 bytes) plus string length */
2561 	size = FOURBYTES + len;
2562 
2563 	ae->type = cpu_to_be16(attrtype);
2564 	ae->len = cpu_to_be16(size);
2565 
2566 	return size;
2567 }
2568 
2569 /* Bitfields for FC4 Types that can be reported */
2570 #define ATTR_FC4_CT	0x00000001
2571 #define ATTR_FC4_FCP	0x00000002
2572 #define ATTR_FC4_NVME	0x00000004
2573 
2574 static inline int
2575 lpfc_fdmi_set_attr_fc4types(void *attr, uint16_t attrtype, uint32_t typemask)
2576 {
2577 	struct lpfc_fdmi_attr_fc4types *ae = attr;
2578 	int size = sizeof(*ae);
2579 
2580 	ae->type = cpu_to_be16(attrtype);
2581 	ae->len = cpu_to_be16(size);
2582 
2583 	if (typemask & ATTR_FC4_FCP)
2584 		ae->value_types[2] = 0x01; /* Type 0x8 - FCP */
2585 
2586 	if (typemask & ATTR_FC4_CT)
2587 		ae->value_types[7] = 0x01; /* Type 0x20 - CT */
2588 
2589 	if (typemask & ATTR_FC4_NVME)
2590 		ae->value_types[6] = 0x01; /* Type 0x28 - NVME */
2591 
2592 	return size;
2593 }
2594 
2595 /* Routines for all individual HBA attributes */
2596 static int
2597 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, void *attr)
2598 {
2599 	return lpfc_fdmi_set_attr_wwn(attr, RHBA_NODENAME,
2600 			&vport->fc_sparam.nodeName);
2601 }
2602 
2603 static int
2604 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport, void *attr)
2605 {
2606 	/* This string MUST be consistent with other FC platforms
2607 	 * supported by Broadcom.
2608 	 */
2609 	return lpfc_fdmi_set_attr_string(attr, RHBA_MANUFACTURER,
2610 			"Emulex Corporation");
2611 }
2612 
2613 static int
2614 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, void *attr)
2615 {
2616 	struct lpfc_hba *phba = vport->phba;
2617 
2618 	return lpfc_fdmi_set_attr_string(attr, RHBA_SERIAL_NUMBER,
2619 			phba->SerialNumber);
2620 }
2621 
2622 static int
2623 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport, void *attr)
2624 {
2625 	struct lpfc_hba *phba = vport->phba;
2626 
2627 	return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL,
2628 			phba->ModelName);
2629 }
2630 
2631 static int
2632 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport, void *attr)
2633 {
2634 	struct lpfc_hba *phba = vport->phba;
2635 
2636 	return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL_DESCRIPTION,
2637 			phba->ModelDesc);
2638 }
2639 
2640 static int
2641 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport, void *attr)
2642 {
2643 	struct lpfc_hba *phba = vport->phba;
2644 	lpfc_vpd_t *vp = &phba->vpd;
2645 	char buf[16] = { 0 };
2646 
2647 	snprintf(buf, sizeof(buf), "%08x", vp->rev.biuRev);
2648 
2649 	return lpfc_fdmi_set_attr_string(attr, RHBA_HARDWARE_VERSION, buf);
2650 }
2651 
2652 static int
2653 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport, void *attr)
2654 {
2655 	return lpfc_fdmi_set_attr_string(attr, RHBA_DRIVER_VERSION,
2656 			lpfc_release_version);
2657 }
2658 
2659 static int
2660 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport, void *attr)
2661 {
2662 	struct lpfc_hba *phba = vport->phba;
2663 	char buf[64] = { 0 };
2664 
2665 	if (phba->sli_rev == LPFC_SLI_REV4) {
2666 		lpfc_decode_firmware_rev(phba, buf, 1);
2667 
2668 		return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION,
2669 				buf);
2670 	}
2671 
2672 	return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION,
2673 			phba->OptionROMVersion);
2674 }
2675 
2676 static int
2677 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport, void *attr)
2678 {
2679 	struct lpfc_hba *phba = vport->phba;
2680 	char buf[64] = { 0 };
2681 
2682 	lpfc_decode_firmware_rev(phba, buf, 1);
2683 
2684 	return lpfc_fdmi_set_attr_string(attr, RHBA_FIRMWARE_VERSION, buf);
2685 }
2686 
2687 static int
2688 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport, void *attr)
2689 {
2690 	char buf[256] = { 0 };
2691 
2692 	snprintf(buf, sizeof(buf), "%s %s %s",
2693 		 init_utsname()->sysname,
2694 		 init_utsname()->release,
2695 		 init_utsname()->version);
2696 
2697 	return lpfc_fdmi_set_attr_string(attr, RHBA_OS_NAME_VERSION, buf);
2698 }
2699 
2700 static int
2701 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport, void *attr)
2702 {
2703 	return lpfc_fdmi_set_attr_u32(attr, RHBA_MAX_CT_PAYLOAD_LEN,
2704 			LPFC_MAX_CT_SIZE);
2705 }
2706 
2707 static int
2708 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport, void *attr)
2709 {
2710 	char buf[256] = { 0 };
2711 
2712 	lpfc_vport_symbolic_node_name(vport, buf, sizeof(buf));
2713 
2714 	return lpfc_fdmi_set_attr_string(attr, RHBA_SYM_NODENAME, buf);
2715 }
2716 
2717 static int
2718 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport, void *attr)
2719 {
2720 	return lpfc_fdmi_set_attr_u32(attr, RHBA_VENDOR_INFO, 0);
2721 }
2722 
2723 static int
2724 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport, void *attr)
2725 {
2726 	/* Each driver instance corresponds to a single port */
2727 	return lpfc_fdmi_set_attr_u32(attr, RHBA_NUM_PORTS, 1);
2728 }
2729 
2730 static int
2731 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport, void *attr)
2732 {
2733 	return lpfc_fdmi_set_attr_wwn(attr, RHBA_FABRIC_WWNN,
2734 			&vport->fabric_nodename);
2735 }
2736 
2737 static int
2738 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport, void *attr)
2739 {
2740 	struct lpfc_hba *phba = vport->phba;
2741 
2742 	return lpfc_fdmi_set_attr_string(attr, RHBA_BIOS_VERSION,
2743 			phba->BIOSVersion);
2744 }
2745 
2746 static int
2747 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport, void *attr)
2748 {
2749 	/* Driver doesn't have access to this information */
2750 	return lpfc_fdmi_set_attr_u32(attr, RHBA_BIOS_STATE, 0);
2751 }
2752 
2753 static int
2754 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport, void *attr)
2755 {
2756 	return lpfc_fdmi_set_attr_string(attr, RHBA_VENDOR_ID, "EMULEX");
2757 }
2758 
2759 /*
2760  * Routines for all individual PORT attributes
2761  */
2762 
2763 static int
2764 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport, void *attr)
2765 {
2766 	struct lpfc_hba   *phba = vport->phba;
2767 	u32 fc4types;
2768 
2769 	fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP);
2770 
2771 	/* Check to see if Firmware supports NVME and on physical port */
2772 	if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
2773 	    phba->sli4_hba.pc_sli4_params.nvme)
2774 		fc4types |= ATTR_FC4_NVME;
2775 
2776 	return lpfc_fdmi_set_attr_fc4types(attr, RPRT_SUPPORTED_FC4_TYPES,
2777 			fc4types);
2778 }
2779 
2780 static int
2781 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport, void *attr)
2782 {
2783 	struct lpfc_hba *phba = vport->phba;
2784 	u32 speeds = 0;
2785 	u32 tcfg;
2786 	u8 i, cnt;
2787 
2788 	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2789 		cnt = 0;
2790 		if (phba->sli_rev == LPFC_SLI_REV4) {
2791 			tcfg = phba->sli4_hba.conf_trunk;
2792 			for (i = 0; i < 4; i++, tcfg >>= 1)
2793 				if (tcfg & 1)
2794 					cnt++;
2795 		}
2796 
2797 		if (cnt > 2) { /* 4 lane trunk group */
2798 			if (phba->lmt & LMT_64Gb)
2799 				speeds |= HBA_PORTSPEED_256GFC;
2800 			if (phba->lmt & LMT_32Gb)
2801 				speeds |= HBA_PORTSPEED_128GFC;
2802 			if (phba->lmt & LMT_16Gb)
2803 				speeds |= HBA_PORTSPEED_64GFC;
2804 		} else if (cnt) { /* 2 lane trunk group */
2805 			if (phba->lmt & LMT_128Gb)
2806 				speeds |= HBA_PORTSPEED_256GFC;
2807 			if (phba->lmt & LMT_64Gb)
2808 				speeds |= HBA_PORTSPEED_128GFC;
2809 			if (phba->lmt & LMT_32Gb)
2810 				speeds |= HBA_PORTSPEED_64GFC;
2811 			if (phba->lmt & LMT_16Gb)
2812 				speeds |= HBA_PORTSPEED_32GFC;
2813 		} else {
2814 			if (phba->lmt & LMT_256Gb)
2815 				speeds |= HBA_PORTSPEED_256GFC;
2816 			if (phba->lmt & LMT_128Gb)
2817 				speeds |= HBA_PORTSPEED_128GFC;
2818 			if (phba->lmt & LMT_64Gb)
2819 				speeds |= HBA_PORTSPEED_64GFC;
2820 			if (phba->lmt & LMT_32Gb)
2821 				speeds |= HBA_PORTSPEED_32GFC;
2822 			if (phba->lmt & LMT_16Gb)
2823 				speeds |= HBA_PORTSPEED_16GFC;
2824 			if (phba->lmt & LMT_10Gb)
2825 				speeds |= HBA_PORTSPEED_10GFC;
2826 			if (phba->lmt & LMT_8Gb)
2827 				speeds |= HBA_PORTSPEED_8GFC;
2828 			if (phba->lmt & LMT_4Gb)
2829 				speeds |= HBA_PORTSPEED_4GFC;
2830 			if (phba->lmt & LMT_2Gb)
2831 				speeds |= HBA_PORTSPEED_2GFC;
2832 			if (phba->lmt & LMT_1Gb)
2833 				speeds |= HBA_PORTSPEED_1GFC;
2834 		}
2835 	} else {
2836 		/* FCoE links support only one speed */
2837 		switch (phba->fc_linkspeed) {
2838 		case LPFC_ASYNC_LINK_SPEED_10GBPS:
2839 			speeds = HBA_PORTSPEED_10GE;
2840 			break;
2841 		case LPFC_ASYNC_LINK_SPEED_25GBPS:
2842 			speeds = HBA_PORTSPEED_25GE;
2843 			break;
2844 		case LPFC_ASYNC_LINK_SPEED_40GBPS:
2845 			speeds = HBA_PORTSPEED_40GE;
2846 			break;
2847 		case LPFC_ASYNC_LINK_SPEED_100GBPS:
2848 			speeds = HBA_PORTSPEED_100GE;
2849 			break;
2850 		}
2851 	}
2852 
2853 	return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_SPEED, speeds);
2854 }
2855 
2856 static int
2857 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport, void *attr)
2858 {
2859 	struct lpfc_hba   *phba = vport->phba;
2860 	u32 speeds = 0;
2861 
2862 	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2863 		switch (phba->fc_linkspeed) {
2864 		case LPFC_LINK_SPEED_1GHZ:
2865 			speeds = HBA_PORTSPEED_1GFC;
2866 			break;
2867 		case LPFC_LINK_SPEED_2GHZ:
2868 			speeds = HBA_PORTSPEED_2GFC;
2869 			break;
2870 		case LPFC_LINK_SPEED_4GHZ:
2871 			speeds = HBA_PORTSPEED_4GFC;
2872 			break;
2873 		case LPFC_LINK_SPEED_8GHZ:
2874 			speeds = HBA_PORTSPEED_8GFC;
2875 			break;
2876 		case LPFC_LINK_SPEED_10GHZ:
2877 			speeds = HBA_PORTSPEED_10GFC;
2878 			break;
2879 		case LPFC_LINK_SPEED_16GHZ:
2880 			speeds = HBA_PORTSPEED_16GFC;
2881 			break;
2882 		case LPFC_LINK_SPEED_32GHZ:
2883 			speeds = HBA_PORTSPEED_32GFC;
2884 			break;
2885 		case LPFC_LINK_SPEED_64GHZ:
2886 			speeds = HBA_PORTSPEED_64GFC;
2887 			break;
2888 		case LPFC_LINK_SPEED_128GHZ:
2889 			speeds = HBA_PORTSPEED_128GFC;
2890 			break;
2891 		case LPFC_LINK_SPEED_256GHZ:
2892 			speeds = HBA_PORTSPEED_256GFC;
2893 			break;
2894 		default:
2895 			speeds = HBA_PORTSPEED_UNKNOWN;
2896 			break;
2897 		}
2898 	} else {
2899 		switch (phba->fc_linkspeed) {
2900 		case LPFC_ASYNC_LINK_SPEED_10GBPS:
2901 			speeds = HBA_PORTSPEED_10GE;
2902 			break;
2903 		case LPFC_ASYNC_LINK_SPEED_25GBPS:
2904 			speeds = HBA_PORTSPEED_25GE;
2905 			break;
2906 		case LPFC_ASYNC_LINK_SPEED_40GBPS:
2907 			speeds = HBA_PORTSPEED_40GE;
2908 			break;
2909 		case LPFC_ASYNC_LINK_SPEED_100GBPS:
2910 			speeds = HBA_PORTSPEED_100GE;
2911 			break;
2912 		default:
2913 			speeds = HBA_PORTSPEED_UNKNOWN;
2914 			break;
2915 		}
2916 	}
2917 
2918 	return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_SPEED, speeds);
2919 }
2920 
2921 static int
2922 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport, void *attr)
2923 {
2924 	struct serv_parm *hsp = (struct serv_parm *)&vport->fc_sparam;
2925 
2926 	return lpfc_fdmi_set_attr_u32(attr, RPRT_MAX_FRAME_SIZE,
2927 			(((uint32_t)hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
2928 			  (uint32_t)hsp->cmn.bbRcvSizeLsb);
2929 }
2930 
2931 static int
2932 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport, void *attr)
2933 {
2934 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2935 	char buf[64] = { 0 };
2936 
2937 	snprintf(buf, sizeof(buf), "/sys/class/scsi_host/host%d",
2938 		 shost->host_no);
2939 
2940 	return lpfc_fdmi_set_attr_string(attr, RPRT_OS_DEVICE_NAME, buf);
2941 }
2942 
2943 static int
2944 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport, void *attr)
2945 {
2946 	char buf[64] = { 0 };
2947 
2948 	scnprintf(buf, sizeof(buf), "%s", vport->phba->os_host_name);
2949 
2950 	return lpfc_fdmi_set_attr_string(attr, RPRT_HOST_NAME, buf);
2951 }
2952 
2953 static int
2954 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport, void *attr)
2955 {
2956 	return lpfc_fdmi_set_attr_wwn(attr, RPRT_NODENAME,
2957 			&vport->fc_sparam.nodeName);
2958 }
2959 
2960 static int
2961 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport, void *attr)
2962 {
2963 	return lpfc_fdmi_set_attr_wwn(attr, RPRT_PORTNAME,
2964 			&vport->fc_sparam.portName);
2965 }
2966 
2967 static int
2968 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport, void *attr)
2969 {
2970 	char buf[256] = { 0 };
2971 
2972 	lpfc_vport_symbolic_port_name(vport, buf, sizeof(buf));
2973 
2974 	return lpfc_fdmi_set_attr_string(attr, RPRT_SYM_PORTNAME, buf);
2975 }
2976 
2977 static int
2978 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport, void *attr)
2979 {
2980 	struct lpfc_hba *phba = vport->phba;
2981 
2982 	return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_TYPE,
2983 			(phba->fc_topology == LPFC_TOPOLOGY_LOOP) ?
2984 				LPFC_FDMI_PORTTYPE_NLPORT :
2985 				LPFC_FDMI_PORTTYPE_NPORT);
2986 }
2987 
2988 static int
2989 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport, void *attr)
2990 {
2991 	return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_CLASS,
2992 			FC_COS_CLASS2 | FC_COS_CLASS3);
2993 }
2994 
2995 static int
2996 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport, void *attr)
2997 {
2998 	return lpfc_fdmi_set_attr_wwn(attr, RPRT_FABRICNAME,
2999 			&vport->fabric_portname);
3000 }
3001 
3002 static int
3003 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport, void *attr)
3004 {
3005 	struct lpfc_hba *phba = vport->phba;
3006 	u32 fc4types;
3007 
3008 	fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP);
3009 
3010 	/* Check to see if NVME is configured or not */
3011 	if (vport == phba->pport &&
3012 	    phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
3013 		fc4types |= ATTR_FC4_NVME;
3014 
3015 	return lpfc_fdmi_set_attr_fc4types(attr, RPRT_ACTIVE_FC4_TYPES,
3016 			fc4types);
3017 }
3018 
3019 static int
3020 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport, void *attr)
3021 {
3022 	return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_STATE,
3023 			LPFC_FDMI_PORTSTATE_ONLINE);
3024 }
3025 
3026 static int
3027 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport, void *attr)
3028 {
3029 	vport->fdmi_num_disc = lpfc_find_map_node(vport);
3030 
3031 	return lpfc_fdmi_set_attr_u32(attr, RPRT_DISC_PORT,
3032 			vport->fdmi_num_disc);
3033 }
3034 
3035 static int
3036 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport, void *attr)
3037 {
3038 	return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_ID, vport->fc_myDID);
3039 }
3040 
3041 static int
3042 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport, void *attr)
3043 {
3044 	return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_SERVICE,
3045 			"Smart SAN Initiator");
3046 }
3047 
3048 static int
3049 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport, void *attr)
3050 {
3051 	return lpfc_fdmi_set_attr_fullwwn(attr, RPRT_SMART_GUID,
3052 			&vport->fc_sparam.nodeName,
3053 			&vport->fc_sparam.portName);
3054 }
3055 
3056 static int
3057 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport, void *attr)
3058 {
3059 	return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_VERSION,
3060 			"Smart SAN Version 2.0");
3061 }
3062 
3063 static int
3064 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport, void *attr)
3065 {
3066 	struct lpfc_hba *phba = vport->phba;
3067 
3068 	return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_MODEL,
3069 			phba->ModelName);
3070 }
3071 
3072 static int
3073 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport, void *attr)
3074 {
3075 	/* SRIOV (type 3) is not supported */
3076 
3077 	return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_PORT_INFO,
3078 			(vport->vpi) ?  2 /* NPIV */ : 1 /* Physical */);
3079 }
3080 
3081 static int
3082 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport, void *attr)
3083 {
3084 	return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_QOS, 0);
3085 }
3086 
3087 static int
3088 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport, void *attr)
3089 {
3090 	return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_SECURITY, 1);
3091 }
3092 
3093 static int
3094 lpfc_fdmi_vendor_attr_mi(struct lpfc_vport *vport, void *attr)
3095 {
3096 	struct lpfc_hba *phba = vport->phba;
3097 	char buf[32] = { 0 };
3098 
3099 	sprintf(buf, "ELXE2EM:%04d", phba->sli4_hba.pc_sli4_params.mi_ver);
3100 
3101 	return lpfc_fdmi_set_attr_string(attr, RPRT_VENDOR_MI, buf);
3102 }
3103 
3104 /* RHBA attribute jump table */
3105 static int (*lpfc_fdmi_hba_action[])
3106 	(struct lpfc_vport *vport, void *attrbuf) = {
3107 	/* Action routine                 Mask bit     Attribute type */
3108 	lpfc_fdmi_hba_attr_wwnn,	  /* bit0     RHBA_NODENAME           */
3109 	lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
3110 	lpfc_fdmi_hba_attr_sn,		  /* bit2     RHBA_SERIAL_NUMBER      */
3111 	lpfc_fdmi_hba_attr_model,	  /* bit3     RHBA_MODEL              */
3112 	lpfc_fdmi_hba_attr_description,	  /* bit4     RHBA_MODEL_DESCRIPTION  */
3113 	lpfc_fdmi_hba_attr_hdw_ver,	  /* bit5     RHBA_HARDWARE_VERSION   */
3114 	lpfc_fdmi_hba_attr_drvr_ver,	  /* bit6     RHBA_DRIVER_VERSION     */
3115 	lpfc_fdmi_hba_attr_rom_ver,	  /* bit7     RHBA_OPTION_ROM_VERSION */
3116 	lpfc_fdmi_hba_attr_fmw_ver,	  /* bit8     RHBA_FIRMWARE_VERSION   */
3117 	lpfc_fdmi_hba_attr_os_ver,	  /* bit9     RHBA_OS_NAME_VERSION    */
3118 	lpfc_fdmi_hba_attr_ct_len,	  /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
3119 	lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
3120 	lpfc_fdmi_hba_attr_vendor_info,	  /* bit12    RHBA_VENDOR_INFO        */
3121 	lpfc_fdmi_hba_attr_num_ports,	  /* bit13    RHBA_NUM_PORTS          */
3122 	lpfc_fdmi_hba_attr_fabric_wwnn,	  /* bit14    RHBA_FABRIC_WWNN        */
3123 	lpfc_fdmi_hba_attr_bios_ver,	  /* bit15    RHBA_BIOS_VERSION       */
3124 	lpfc_fdmi_hba_attr_bios_state,	  /* bit16    RHBA_BIOS_STATE         */
3125 	lpfc_fdmi_hba_attr_vendor_id,	  /* bit17    RHBA_VENDOR_ID          */
3126 };
3127 
3128 /* RPA / RPRT attribute jump table */
3129 static int (*lpfc_fdmi_port_action[])
3130 	(struct lpfc_vport *vport, void *attrbuf) = {
3131 	/* Action routine                   Mask bit   Attribute type */
3132 	lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
3133 	lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
3134 	lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
3135 	lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
3136 	lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
3137 	lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
3138 	lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
3139 	lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
3140 	lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
3141 	lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
3142 	lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
3143 	lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
3144 	lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
3145 	lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
3146 	lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
3147 	lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
3148 	lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
3149 	lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
3150 	lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
3151 	lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
3152 	lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
3153 	lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
3154 	lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
3155 	lpfc_fdmi_vendor_attr_mi,           /* bit23  RPRT_VENDOR_MI          */
3156 };
3157 
3158 /**
3159  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
3160  * @vport: pointer to a host virtual N_Port data structure.
3161  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3162  * @cmdcode: FDMI command to send
3163  * @new_mask: Mask of HBA or PORT Attributes to send
3164  *
3165  * Builds and sends a FDMI command using the CT subsystem.
3166  */
3167 int
3168 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3169 	      int cmdcode, uint32_t new_mask)
3170 {
3171 	struct lpfc_hba *phba = vport->phba;
3172 	struct lpfc_dmabuf *rq, *rsp;
3173 	struct lpfc_sli_ct_request *CtReq;
3174 	struct ulp_bde64_le *bde;
3175 	uint32_t bit_pos;
3176 	uint32_t size, addsz;
3177 	uint32_t rsp_size;
3178 	uint32_t mask;
3179 	struct lpfc_fdmi_reg_hba *rh;
3180 	struct lpfc_fdmi_port_entry *pe;
3181 	struct lpfc_fdmi_reg_portattr *pab = NULL, *base = NULL;
3182 	struct lpfc_fdmi_attr_block *ab = NULL;
3183 	int  (*func)(struct lpfc_vport *vport, void *attrbuf);
3184 	void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3185 		     struct lpfc_iocbq *rspiocb);
3186 
3187 	if (!ndlp)
3188 		return 0;
3189 
3190 	cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
3191 
3192 	/* fill in BDEs for command */
3193 	/* Allocate buffer for command payload */
3194 	rq = kmalloc(sizeof(*rq), GFP_KERNEL);
3195 	if (!rq)
3196 		goto fdmi_cmd_exit;
3197 
3198 	rq->virt = lpfc_mbuf_alloc(phba, 0, &rq->phys);
3199 	if (!rq->virt)
3200 		goto fdmi_cmd_free_rq;
3201 
3202 	/* Allocate buffer for Buffer ptr list */
3203 	rsp = kmalloc(sizeof(*rsp), GFP_KERNEL);
3204 	if (!rsp)
3205 		goto fdmi_cmd_free_rqvirt;
3206 
3207 	rsp->virt = lpfc_mbuf_alloc(phba, 0, &rsp->phys);
3208 	if (!rsp->virt)
3209 		goto fdmi_cmd_free_rsp;
3210 
3211 	INIT_LIST_HEAD(&rq->list);
3212 	INIT_LIST_HEAD(&rsp->list);
3213 
3214 	/* mbuf buffers are 1K in length - aka LPFC_BPL_SIZE */
3215 	memset(rq->virt, 0, LPFC_BPL_SIZE);
3216 	rsp_size = LPFC_BPL_SIZE;
3217 
3218 	/* FDMI request */
3219 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3220 			 "0218 FDMI Request x%x mask x%x Data: x%x x%lx x%x\n",
3221 			 cmdcode, new_mask, vport->fdmi_port_mask,
3222 			 vport->fc_flag, vport->port_state);
3223 
3224 	CtReq = (struct lpfc_sli_ct_request *)rq->virt;
3225 
3226 	/* First populate the CT_IU preamble */
3227 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
3228 	CtReq->RevisionId.bits.InId = 0;
3229 
3230 	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3231 	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
3232 
3233 	CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3234 
3235 	size = 0;
3236 
3237 	/* Next fill in the specific FDMI cmd information */
3238 	switch (cmdcode) {
3239 	case SLI_MGMT_RHAT:
3240 	case SLI_MGMT_RHBA:
3241 		rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un;
3242 		/* HBA Identifier */
3243 		memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3244 		       sizeof(struct lpfc_name));
3245 		size += sizeof(struct lpfc_fdmi_hba_ident);
3246 
3247 		if (cmdcode == SLI_MGMT_RHBA) {
3248 			/* Registered Port List */
3249 			/* One entry (port) per adapter */
3250 			rh->rpl.EntryCnt = cpu_to_be32(1);
3251 			memcpy(&rh->rpl.pe.PortName,
3252 			       &phba->pport->fc_sparam.portName,
3253 			       sizeof(struct lpfc_name));
3254 			size += sizeof(struct lpfc_fdmi_reg_port_list);
3255 		}
3256 
3257 		ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3258 		ab->EntryCnt = 0;
3259 		size += FOURBYTES;	/* add length of EntryCnt field */
3260 
3261 		bit_pos = 0;
3262 		if (new_mask)
3263 			mask = new_mask;
3264 		else
3265 			mask = vport->fdmi_hba_mask;
3266 
3267 		/* Mask will dictate what attributes to build in the request */
3268 		while (mask) {
3269 			if (mask & 0x1) {
3270 				func = lpfc_fdmi_hba_action[bit_pos];
3271 				addsz = func(vport, ((uint8_t *)rh + size));
3272 				if (addsz) {
3273 					ab->EntryCnt++;
3274 					size += addsz;
3275 				}
3276 				/* check if another attribute fits */
3277 				if ((size + FDMI_MAX_ATTRLEN) >
3278 				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3279 					goto hba_out;
3280 			}
3281 			mask = mask >> 1;
3282 			bit_pos++;
3283 		}
3284 hba_out:
3285 		ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3286 		/* Total size */
3287 		size += GID_REQUEST_SZ - 4;
3288 		break;
3289 
3290 	case SLI_MGMT_RPRT:
3291 		if (vport->port_type != LPFC_PHYSICAL_PORT) {
3292 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3293 			if (!ndlp)
3294 				return 0;
3295 		}
3296 		fallthrough;
3297 	case SLI_MGMT_RPA:
3298 		/* Store base ptr right after preamble */
3299 		base = (struct lpfc_fdmi_reg_portattr *)&CtReq->un;
3300 
3301 		if (cmdcode == SLI_MGMT_RPRT) {
3302 			rh = (struct lpfc_fdmi_reg_hba *)base;
3303 			/* HBA Identifier */
3304 			memcpy(&rh->hi.PortName,
3305 			       &phba->pport->fc_sparam.portName,
3306 			       sizeof(struct lpfc_name));
3307 			pab = (struct lpfc_fdmi_reg_portattr *)
3308 				((uint8_t *)base + sizeof(struct lpfc_name));
3309 			size += sizeof(struct lpfc_name);
3310 		} else {
3311 			pab = base;
3312 		}
3313 
3314 		memcpy((uint8_t *)&pab->PortName,
3315 		       (uint8_t *)&vport->fc_sparam.portName,
3316 		       sizeof(struct lpfc_name));
3317 		pab->ab.EntryCnt = 0;
3318 		/* add length of name and EntryCnt field */
3319 		size += sizeof(struct lpfc_name) + FOURBYTES;
3320 
3321 		bit_pos = 0;
3322 		if (new_mask)
3323 			mask = new_mask;
3324 		else
3325 			mask = vport->fdmi_port_mask;
3326 
3327 		/* Mask will dictate what attributes to build in the request */
3328 		while (mask) {
3329 			if (mask & 0x1) {
3330 				func = lpfc_fdmi_port_action[bit_pos];
3331 				addsz = func(vport, ((uint8_t *)base + size));
3332 				if (addsz) {
3333 					pab->ab.EntryCnt++;
3334 					size += addsz;
3335 				}
3336 				/* check if another attribute fits */
3337 				if ((size + FDMI_MAX_ATTRLEN) >
3338 				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3339 					goto port_out;
3340 			}
3341 			mask = mask >> 1;
3342 			bit_pos++;
3343 		}
3344 port_out:
3345 		pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3346 		size += GID_REQUEST_SZ - 4;
3347 		break;
3348 
3349 	case SLI_MGMT_GHAT:
3350 	case SLI_MGMT_GRPL:
3351 		rsp_size = FC_MAX_NS_RSP;
3352 		fallthrough;
3353 	case SLI_MGMT_DHBA:
3354 	case SLI_MGMT_DHAT:
3355 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un;
3356 		memcpy((uint8_t *)&pe->PortName,
3357 		       (uint8_t *)&vport->fc_sparam.portName,
3358 		       sizeof(struct lpfc_name));
3359 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3360 		break;
3361 
3362 	case SLI_MGMT_GPAT:
3363 	case SLI_MGMT_GPAS:
3364 		rsp_size = FC_MAX_NS_RSP;
3365 		fallthrough;
3366 	case SLI_MGMT_DPRT:
3367 		if (vport->port_type != LPFC_PHYSICAL_PORT) {
3368 			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3369 			if (!ndlp)
3370 				return 0;
3371 		}
3372 		fallthrough;
3373 	case SLI_MGMT_DPA:
3374 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un;
3375 		memcpy((uint8_t *)&pe->PortName,
3376 		       (uint8_t *)&vport->fc_sparam.portName,
3377 		       sizeof(struct lpfc_name));
3378 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3379 		break;
3380 	case SLI_MGMT_GRHL:
3381 		size = GID_REQUEST_SZ - 4;
3382 		break;
3383 	default:
3384 		lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3385 				 "0298 FDMI cmdcode x%x not supported\n",
3386 				 cmdcode);
3387 		goto fdmi_cmd_free_rspvirt;
3388 	}
3389 	CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3390 
3391 	bde = (struct ulp_bde64_le *)rsp->virt;
3392 	bde->addr_high = cpu_to_le32(putPaddrHigh(rq->phys));
3393 	bde->addr_low = cpu_to_le32(putPaddrLow(rq->phys));
3394 	bde->type_size = cpu_to_le32(ULP_BDE64_TYPE_BDE_64 <<
3395 				     ULP_BDE64_TYPE_SHIFT);
3396 	bde->type_size |= cpu_to_le32(size);
3397 
3398 	/*
3399 	 * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3400 	 * to hold ndlp reference for the corresponding callback function.
3401 	 */
3402 	if (!lpfc_ct_cmd(vport, rq, rsp, ndlp, cmpl, rsp_size, 0))
3403 		return 0;
3404 
3405 fdmi_cmd_free_rspvirt:
3406 	lpfc_mbuf_free(phba, rsp->virt, rsp->phys);
3407 fdmi_cmd_free_rsp:
3408 	kfree(rsp);
3409 fdmi_cmd_free_rqvirt:
3410 	lpfc_mbuf_free(phba, rq->virt, rq->phys);
3411 fdmi_cmd_free_rq:
3412 	kfree(rq);
3413 fdmi_cmd_exit:
3414 	/* Issue FDMI request failed */
3415 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3416 			 "0244 Issue FDMI request failed Data: x%x\n",
3417 			 cmdcode);
3418 	return 1;
3419 }
3420 
3421 /**
3422  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3423  * @t: Context object of the timer.
3424  *
3425  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3426  * the worker thread.
3427  **/
3428 void
3429 lpfc_delayed_disc_tmo(struct timer_list *t)
3430 {
3431 	struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3432 	struct lpfc_hba   *phba = vport->phba;
3433 	uint32_t tmo_posted;
3434 	unsigned long iflag;
3435 
3436 	spin_lock_irqsave(&vport->work_port_lock, iflag);
3437 	tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3438 	if (!tmo_posted)
3439 		vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3440 	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3441 
3442 	if (!tmo_posted)
3443 		lpfc_worker_wake_up(phba);
3444 	return;
3445 }
3446 
3447 /**
3448  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3449  *      handle delayed discovery.
3450  * @vport: pointer to a host virtual N_Port data structure.
3451  *
3452  * This function start nport discovery of the vport.
3453  **/
3454 void
3455 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3456 {
3457 	if (!test_and_clear_bit(FC_DISC_DELAYED, &vport->fc_flag))
3458 		return;
3459 
3460 	lpfc_do_scr_ns_plogi(vport->phba, vport);
3461 }
3462 
3463 void
3464 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3465 {
3466 	struct lpfc_sli *psli = &phba->sli;
3467 	lpfc_vpd_t *vp = &phba->vpd;
3468 	uint32_t b1, b2, b3, b4, i, rev;
3469 	char c;
3470 	uint32_t *ptr, str[4];
3471 	uint8_t *fwname;
3472 
3473 	if (phba->sli_rev == LPFC_SLI_REV4)
3474 		snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3475 	else if (vp->rev.rBit) {
3476 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
3477 			rev = vp->rev.sli2FwRev;
3478 		else
3479 			rev = vp->rev.sli1FwRev;
3480 
3481 		b1 = (rev & 0x0000f000) >> 12;
3482 		b2 = (rev & 0x00000f00) >> 8;
3483 		b3 = (rev & 0x000000c0) >> 6;
3484 		b4 = (rev & 0x00000030) >> 4;
3485 
3486 		switch (b4) {
3487 		case 0:
3488 			c = 'N';
3489 			break;
3490 		case 1:
3491 			c = 'A';
3492 			break;
3493 		case 2:
3494 			c = 'B';
3495 			break;
3496 		case 3:
3497 			c = 'X';
3498 			break;
3499 		default:
3500 			c = 0;
3501 			break;
3502 		}
3503 		b4 = (rev & 0x0000000f);
3504 
3505 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
3506 			fwname = vp->rev.sli2FwName;
3507 		else
3508 			fwname = vp->rev.sli1FwName;
3509 
3510 		for (i = 0; i < 16; i++)
3511 			if (fwname[i] == 0x20)
3512 				fwname[i] = 0;
3513 
3514 		ptr = (uint32_t*)fwname;
3515 
3516 		for (i = 0; i < 3; i++)
3517 			str[i] = be32_to_cpu(*ptr++);
3518 
3519 		if (c == 0) {
3520 			if (flag)
3521 				sprintf(fwrevision, "%d.%d%d (%s)",
3522 					b1, b2, b3, (char *)str);
3523 			else
3524 				sprintf(fwrevision, "%d.%d%d", b1,
3525 					b2, b3);
3526 		} else {
3527 			if (flag)
3528 				sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3529 					b1, b2, b3, c,
3530 					b4, (char *)str);
3531 			else
3532 				sprintf(fwrevision, "%d.%d%d%c%d",
3533 					b1, b2, b3, c, b4);
3534 		}
3535 	} else {
3536 		rev = vp->rev.smFwRev;
3537 
3538 		b1 = (rev & 0xff000000) >> 24;
3539 		b2 = (rev & 0x00f00000) >> 20;
3540 		b3 = (rev & 0x000f0000) >> 16;
3541 		c  = (rev & 0x0000ff00) >> 8;
3542 		b4 = (rev & 0x000000ff);
3543 
3544 		sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3545 	}
3546 	return;
3547 }
3548 
3549 static void
3550 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3551 		      struct lpfc_iocbq *rspiocb)
3552 {
3553 	struct lpfc_vport *vport = cmdiocb->vport;
3554 	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
3555 	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
3556 	struct lpfc_sli_ct_request *ctcmd = inp->virt;
3557 	struct lpfc_sli_ct_request *ctrsp = outp->virt;
3558 	__be16 rsp = ctrsp->CommandResponse.bits.CmdRsp;
3559 	struct app_id_object *app;
3560 	struct lpfc_nodelist *ndlp = cmdiocb->ndlp;
3561 	u32 cmd, hash, bucket;
3562 	struct lpfc_vmid *vmp, *cur;
3563 	u8 *data = outp->virt;
3564 	int i;
3565 
3566 	cmd = be16_to_cpu(ctcmd->CommandResponse.bits.CmdRsp);
3567 	if (cmd == SLI_CTAS_DALLAPP_ID)
3568 		lpfc_ct_free_iocb(phba, cmdiocb);
3569 
3570 	if (lpfc_els_chk_latt(vport) || get_job_ulpstatus(phba, rspiocb)) {
3571 		if (cmd != SLI_CTAS_DALLAPP_ID)
3572 			goto free_res;
3573 	}
3574 	/* Check for a CT LS_RJT response */
3575 	if (be16_to_cpu(rsp) == SLI_CT_RESPONSE_FS_RJT) {
3576 		if (cmd != SLI_CTAS_DALLAPP_ID)
3577 			lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3578 					 "3306 VMID FS_RJT Data: x%x x%x x%x\n",
3579 					 cmd, ctrsp->ReasonCode,
3580 					 ctrsp->Explanation);
3581 		if ((cmd != SLI_CTAS_DALLAPP_ID) ||
3582 		    (ctrsp->ReasonCode != SLI_CT_UNABLE_TO_PERFORM_REQ) ||
3583 		    (ctrsp->Explanation != SLI_CT_APP_ID_NOT_AVAILABLE)) {
3584 			/* If DALLAPP_ID failed retry later */
3585 			if (cmd == SLI_CTAS_DALLAPP_ID)
3586 				set_bit(FC_DEREGISTER_ALL_APP_ID,
3587 					&vport->load_flag);
3588 			goto free_res;
3589 		}
3590 	}
3591 
3592 	switch (cmd) {
3593 	case SLI_CTAS_RAPP_IDENT:
3594 		app = (struct app_id_object *)(RAPP_IDENT_OFFSET + data);
3595 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3596 				 "6712 RAPP_IDENT app id %d  port id x%x id "
3597 				 "len %d\n", be32_to_cpu(app->app_id),
3598 				 be32_to_cpu(app->port_id),
3599 				 app->obj.entity_id_len);
3600 
3601 		if (app->obj.entity_id_len == 0 || app->port_id == 0)
3602 			goto free_res;
3603 
3604 		hash = lpfc_vmid_hash_fn(app->obj.entity_id,
3605 					 app->obj.entity_id_len);
3606 		vmp = lpfc_get_vmid_from_hashtable(vport, hash,
3607 						  app->obj.entity_id);
3608 		if (vmp) {
3609 			write_lock(&vport->vmid_lock);
3610 			vmp->un.app_id = be32_to_cpu(app->app_id);
3611 			vmp->flag |= LPFC_VMID_REGISTERED;
3612 			vmp->flag &= ~LPFC_VMID_REQ_REGISTER;
3613 			write_unlock(&vport->vmid_lock);
3614 			/* Set IN USE flag */
3615 			vport->vmid_flag |= LPFC_VMID_IN_USE;
3616 		} else {
3617 			lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3618 					 "6901 No entry found %s hash %d\n",
3619 					 app->obj.entity_id, hash);
3620 		}
3621 		break;
3622 	case SLI_CTAS_DAPP_IDENT:
3623 		app = (struct app_id_object *)(DAPP_IDENT_OFFSET + data);
3624 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3625 				 "6713 DAPP_IDENT app id %d  port id x%x\n",
3626 				 be32_to_cpu(app->app_id),
3627 				 be32_to_cpu(app->port_id));
3628 		break;
3629 	case SLI_CTAS_DALLAPP_ID:
3630 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3631 				 "8856 Deregistered all app ids\n");
3632 		read_lock(&vport->vmid_lock);
3633 		for (i = 0; i < phba->cfg_max_vmid; i++) {
3634 			vmp = &vport->vmid[i];
3635 			if (vmp->flag != LPFC_VMID_SLOT_FREE)
3636 				memset(vmp, 0, sizeof(struct lpfc_vmid));
3637 		}
3638 		read_unlock(&vport->vmid_lock);
3639 		/* for all elements in the hash table */
3640 		if (!hash_empty(vport->hash_table))
3641 			hash_for_each(vport->hash_table, bucket, cur, hnode)
3642 				hash_del(&cur->hnode);
3643 		set_bit(FC_ALLOW_VMID, &vport->load_flag);
3644 		break;
3645 	default:
3646 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3647 				 "8857 Invalid command code\n");
3648 	}
3649 free_res:
3650 	lpfc_ct_free_iocb(phba, cmdiocb);
3651 	lpfc_nlp_put(ndlp);
3652 }
3653 
3654 /**
3655  * lpfc_vmid_cmd - Build and send a FDMI cmd to the specified NPort
3656  * @vport: pointer to a host virtual N_Port data structure.
3657  * @cmdcode: application server command code to send
3658  * @vmid: pointer to vmid info structure
3659  *
3660  * Builds and sends a FDMI command using the CT subsystem.
3661  */
3662 int
3663 lpfc_vmid_cmd(struct lpfc_vport *vport,
3664 	      int cmdcode, struct lpfc_vmid *vmid)
3665 {
3666 	struct lpfc_hba *phba = vport->phba;
3667 	struct lpfc_dmabuf *mp, *bmp;
3668 	struct lpfc_sli_ct_request *ctreq;
3669 	struct ulp_bde64 *bpl;
3670 	u32 size;
3671 	u32 rsp_size;
3672 	u8 *data;
3673 	struct lpfc_vmid_rapp_ident_list *rap;
3674 	struct lpfc_vmid_dapp_ident_list *dap;
3675 	u8 retry = 0;
3676 	struct lpfc_nodelist *ndlp;
3677 
3678 	void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3679 		     struct lpfc_iocbq *rspiocb);
3680 
3681 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
3682 	if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
3683 		return 0;
3684 
3685 	cmpl = lpfc_cmpl_ct_cmd_vmid;
3686 
3687 	/* fill in BDEs for command */
3688 	/* Allocate buffer for command payload */
3689 	mp = kmalloc(sizeof(*mp), GFP_KERNEL);
3690 	if (!mp)
3691 		goto vmid_free_mp_exit;
3692 
3693 	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3694 	if (!mp->virt)
3695 		goto vmid_free_mp_virt_exit;
3696 
3697 	/* Allocate buffer for Buffer ptr list */
3698 	bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
3699 	if (!bmp)
3700 		goto vmid_free_bmp_exit;
3701 
3702 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
3703 	if (!bmp->virt)
3704 		goto vmid_free_bmp_virt_exit;
3705 
3706 	INIT_LIST_HEAD(&mp->list);
3707 	INIT_LIST_HEAD(&bmp->list);
3708 
3709 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3710 			 "3275 VMID Request Data: x%lx x%x x%x\n",
3711 			 vport->fc_flag, vport->port_state, cmdcode);
3712 	ctreq = (struct lpfc_sli_ct_request *)mp->virt;
3713 	data = mp->virt;
3714 	/* First populate the CT_IU preamble */
3715 	memset(data, 0, LPFC_BPL_SIZE);
3716 	ctreq->RevisionId.bits.Revision = SLI_CT_REVISION;
3717 	ctreq->RevisionId.bits.InId = 0;
3718 
3719 	ctreq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3720 	ctreq->FsSubType = SLI_CT_APP_SEV_Subtypes;
3721 
3722 	ctreq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3723 	rsp_size = LPFC_BPL_SIZE;
3724 	size = 0;
3725 
3726 	switch (cmdcode) {
3727 	case SLI_CTAS_RAPP_IDENT:
3728 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3729 				 "1329 RAPP_IDENT for %s\n", vmid->host_vmid);
3730 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3731 		rap = (struct lpfc_vmid_rapp_ident_list *)
3732 			(DAPP_IDENT_OFFSET + data);
3733 		rap->no_of_objects = cpu_to_be32(1);
3734 		rap->obj[0].entity_id_len = vmid->vmid_len;
3735 		memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
3736 		size = RAPP_IDENT_OFFSET +
3737 		       struct_size(rap, obj, be32_to_cpu(rap->no_of_objects));
3738 		retry = 1;
3739 		break;
3740 
3741 	case SLI_CTAS_GALLAPPIA_ID:
3742 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3743 		size = GALLAPPIA_ID_SIZE;
3744 		break;
3745 
3746 	case SLI_CTAS_DAPP_IDENT:
3747 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3748 				 "1469 DAPP_IDENT for %s\n", vmid->host_vmid);
3749 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3750 		dap = (struct lpfc_vmid_dapp_ident_list *)
3751 			(DAPP_IDENT_OFFSET + data);
3752 		dap->no_of_objects = cpu_to_be32(1);
3753 		dap->obj[0].entity_id_len = vmid->vmid_len;
3754 		memcpy(dap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
3755 		size = DAPP_IDENT_OFFSET +
3756 		       struct_size(dap, obj, be32_to_cpu(dap->no_of_objects));
3757 		write_lock(&vport->vmid_lock);
3758 		vmid->flag &= ~LPFC_VMID_REGISTERED;
3759 		write_unlock(&vport->vmid_lock);
3760 		retry = 1;
3761 		break;
3762 
3763 	case SLI_CTAS_DALLAPP_ID:
3764 		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3765 		size = DALLAPP_ID_SIZE;
3766 		break;
3767 
3768 	default:
3769 		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3770 				 "7062 VMID cmdcode x%x not supported\n",
3771 				 cmdcode);
3772 		goto vmid_free_all_mem;
3773 	}
3774 
3775 	ctreq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3776 
3777 	bpl = (struct ulp_bde64 *)bmp->virt;
3778 	bpl->addrHigh = putPaddrHigh(mp->phys);
3779 	bpl->addrLow = putPaddrLow(mp->phys);
3780 	bpl->tus.f.bdeFlags = 0;
3781 	bpl->tus.f.bdeSize = size;
3782 
3783 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3784 	 * to hold ndlp reference for the corresponding callback function.
3785 	 */
3786 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry))
3787 		return 0;
3788 
3789  vmid_free_all_mem:
3790 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3791  vmid_free_bmp_virt_exit:
3792 	kfree(bmp);
3793  vmid_free_bmp_exit:
3794 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
3795  vmid_free_mp_virt_exit:
3796 	kfree(mp);
3797  vmid_free_mp_exit:
3798 
3799 	/* Issue CT request failed */
3800 	lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3801 			 "3276 VMID CT request failed Data: x%x\n", cmdcode);
3802 	return -EIO;
3803 }
3804