1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for         *
3 * Fibre Channel Host Bus Adapters.                                *
4 * Copyright (C) 2004-2010 Emulex.  All rights reserved.           *
5 * EMULEX and SLI are trademarks of Emulex.                        *
6 * www.emulex.com                                                  *
7 *                                                                 *
8 * This program is free software; you can redistribute it and/or   *
9 * modify it under the terms of version 2 of the GNU General       *
10 * Public License as published by the Free Software Foundation.    *
11 * This program is distributed in the hope that it will be useful. *
12 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
13 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
14 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
15 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
16 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
17 * more details, a copy of which can be found in the file COPYING  *
18 * included with this package.                                     *
19 *******************************************************************/
20
21/*
22 * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
23 */
24
25#include <linux/blkdev.h>
26#include <linux/pci.h>
27#include <linux/interrupt.h>
28#include <linux/slab.h>
29#include <linux/utsname.h>
30
31#include <scsi/scsi.h>
32#include <scsi/scsi_device.h>
33#include <scsi/scsi_host.h>
34#include <scsi/scsi_transport_fc.h>
35#include <scsi/fc/fc_fs.h>
36
37#include "lpfc_hw4.h"
38#include "lpfc_hw.h"
39#include "lpfc_sli.h"
40#include "lpfc_sli4.h"
41#include "lpfc_nl.h"
42#include "lpfc_disc.h"
43#include "lpfc_scsi.h"
44#include "lpfc.h"
45#include "lpfc_logmsg.h"
46#include "lpfc_crtn.h"
47#include "lpfc_version.h"
48#include "lpfc_vport.h"
49#include "lpfc_debugfs.h"
50
51/* FDMI Port Speed definitions */
52#define HBA_PORTSPEED_1GBIT		0x0001	/* 1 GBit/sec */
53#define HBA_PORTSPEED_2GBIT		0x0002	/* 2 GBit/sec */
54#define HBA_PORTSPEED_4GBIT		0x0008	/* 4 GBit/sec */
55#define HBA_PORTSPEED_10GBIT		0x0004	/* 10 GBit/sec */
56#define HBA_PORTSPEED_8GBIT		0x0010	/* 8 GBit/sec */
57#define HBA_PORTSPEED_16GBIT		0x0020	/* 16 GBit/sec */
58#define HBA_PORTSPEED_UNKNOWN		0x0800	/* Unknown */
59
60#define FOURBYTES	4
61
62
63static char *lpfc_release_version = LPFC_DRIVER_VERSION;
64
65static void
66lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
67			  struct lpfc_dmabuf *mp, uint32_t size)
68{
69	if (!mp) {
70		lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
71				"0146 Ignoring unsolicited CT No HBQ "
72				"status = x%x\n",
73				piocbq->iocb.ulpStatus);
74	}
75	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
76			"0145 Ignoring unsolicted CT HBQ Size:%d "
77			"status = x%x\n",
78			size, piocbq->iocb.ulpStatus);
79}
80
81static void
82lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
83		     struct lpfc_dmabuf *mp, uint32_t size)
84{
85	lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
86}
87
88void
89lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
90		    struct lpfc_iocbq *piocbq)
91{
92	struct lpfc_dmabuf *mp = NULL;
93	IOCB_t *icmd = &piocbq->iocb;
94	int i;
95	struct lpfc_iocbq *iocbq;
96	dma_addr_t paddr;
97	uint32_t size;
98	struct list_head head;
99	struct lpfc_dmabuf *bdeBuf;
100
101	if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
102		return;
103
104	if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
105		lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
106	} else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
107		((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
108		/* Not enough posted buffers; Try posting more buffers */
109		phba->fc_stat.NoRcvBuf++;
110		if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
111			lpfc_post_buffer(phba, pring, 2);
112		return;
113	}
114
115	/* If there are no BDEs associated with this IOCB,
116	 * there is nothing to do.
117	 */
118	if (icmd->ulpBdeCount == 0)
119		return;
120
121	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
122		INIT_LIST_HEAD(&head);
123		list_add_tail(&head, &piocbq->list);
124		list_for_each_entry(iocbq, &head, list) {
125			icmd = &iocbq->iocb;
126			if (icmd->ulpBdeCount == 0)
127				continue;
128			bdeBuf = iocbq->context2;
129			iocbq->context2 = NULL;
130			size  = icmd->un.cont64[0].tus.f.bdeSize;
131			lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
132			lpfc_in_buf_free(phba, bdeBuf);
133			if (icmd->ulpBdeCount == 2) {
134				bdeBuf = iocbq->context3;
135				iocbq->context3 = NULL;
136				size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
137				lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
138						     size);
139				lpfc_in_buf_free(phba, bdeBuf);
140			}
141		}
142		list_del(&head);
143	} else {
144		INIT_LIST_HEAD(&head);
145		list_add_tail(&head, &piocbq->list);
146		list_for_each_entry(iocbq, &head, list) {
147			icmd = &iocbq->iocb;
148			if (icmd->ulpBdeCount == 0)
149				lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
150			for (i = 0; i < icmd->ulpBdeCount; i++) {
151				paddr = getPaddr(icmd->un.cont64[i].addrHigh,
152						 icmd->un.cont64[i].addrLow);
153				mp = lpfc_sli_ringpostbuf_get(phba, pring,
154							      paddr);
155				size = icmd->un.cont64[i].tus.f.bdeSize;
156				lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
157				lpfc_in_buf_free(phba, mp);
158			}
159			lpfc_post_buffer(phba, pring, i);
160		}
161		list_del(&head);
162	}
163}
164
165/**
166 * lpfc_sli4_ct_abort_unsol_event - Default handle for sli4 unsol abort
167 * @phba: Pointer to HBA context object.
168 * @pring: Pointer to the driver internal I/O ring.
169 * @piocbq: Pointer to the IOCBQ.
170 *
171 * This function serves as the default handler for the sli4 unsolicited
172 * abort event. It shall be invoked when there is no application interface
173 * registered unsolicited abort handler. This handler does nothing but
174 * just simply releases the dma buffer used by the unsol abort event.
175 **/
176void
177lpfc_sli4_ct_abort_unsol_event(struct lpfc_hba *phba,
178			       struct lpfc_sli_ring *pring,
179			       struct lpfc_iocbq *piocbq)
180{
181	IOCB_t *icmd = &piocbq->iocb;
182	struct lpfc_dmabuf *bdeBuf;
183	uint32_t size;
184
185	/* Forward abort event to any process registered to receive ct event */
186	if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
187		return;
188
189	/* If there is no BDE associated with IOCB, there is nothing to do */
190	if (icmd->ulpBdeCount == 0)
191		return;
192	bdeBuf = piocbq->context2;
193	piocbq->context2 = NULL;
194	size  = icmd->un.cont64[0].tus.f.bdeSize;
195	lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
196	lpfc_in_buf_free(phba, bdeBuf);
197}
198
199static void
200lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
201{
202	struct lpfc_dmabuf *mlast, *next_mlast;
203
204	list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
205		lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
206		list_del(&mlast->list);
207		kfree(mlast);
208	}
209	lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
210	kfree(mlist);
211	return;
212}
213
214static struct lpfc_dmabuf *
215lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
216		  uint32_t size, int *entries)
217{
218	struct lpfc_dmabuf *mlist = NULL;
219	struct lpfc_dmabuf *mp;
220	int cnt, i = 0;
221
222	/* We get chunks of FCELSSIZE */
223	cnt = size > FCELSSIZE ? FCELSSIZE: size;
224
225	while (size) {
226		/* Allocate buffer for rsp payload */
227		mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
228		if (!mp) {
229			if (mlist)
230				lpfc_free_ct_rsp(phba, mlist);
231			return NULL;
232		}
233
234		INIT_LIST_HEAD(&mp->list);
235
236		if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
237		    cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
238			mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
239		else
240			mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
241
242		if (!mp->virt) {
243			kfree(mp);
244			if (mlist)
245				lpfc_free_ct_rsp(phba, mlist);
246			return NULL;
247		}
248
249		/* Queue it to a linked list */
250		if (!mlist)
251			mlist = mp;
252		else
253			list_add_tail(&mp->list, &mlist->list);
254
255		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
256		/* build buffer ptr list for IOCB */
257		bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
258		bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
259		bpl->tus.f.bdeSize = (uint16_t) cnt;
260		bpl->tus.w = le32_to_cpu(bpl->tus.w);
261		bpl++;
262
263		i++;
264		size -= cnt;
265	}
266
267	*entries = i;
268	return mlist;
269}
270
271int
272lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
273{
274	struct lpfc_dmabuf *buf_ptr;
275
276	if (ctiocb->context_un.ndlp) {
277		lpfc_nlp_put(ctiocb->context_un.ndlp);
278		ctiocb->context_un.ndlp = NULL;
279	}
280	if (ctiocb->context1) {
281		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
282		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
283		kfree(buf_ptr);
284		ctiocb->context1 = NULL;
285	}
286	if (ctiocb->context2) {
287		lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
288		ctiocb->context2 = NULL;
289	}
290
291	if (ctiocb->context3) {
292		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
293		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
294		kfree(buf_ptr);
295		ctiocb->context1 = NULL;
296	}
297	lpfc_sli_release_iocbq(phba, ctiocb);
298	return 0;
299}
300
301static int
302lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
303	     struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
304	     void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
305		     struct lpfc_iocbq *),
306	     struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
307	     uint32_t tmo, uint8_t retry)
308{
309	struct lpfc_hba  *phba = vport->phba;
310	IOCB_t *icmd;
311	struct lpfc_iocbq *geniocb;
312	int rc;
313
314	/* Allocate buffer for  command iocb */
315	geniocb = lpfc_sli_get_iocbq(phba);
316
317	if (geniocb == NULL)
318		return 1;
319
320	icmd = &geniocb->iocb;
321	icmd->un.genreq64.bdl.ulpIoTag32 = 0;
322	icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
323	icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
324	icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
325	icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
326
327	if (usr_flg)
328		geniocb->context3 = NULL;
329	else
330		geniocb->context3 = (uint8_t *) bmp;
331
332	/* Save for completion so we can release these resources */
333	geniocb->context1 = (uint8_t *) inp;
334	geniocb->context2 = (uint8_t *) outp;
335	geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
336
337	/* Fill in payload, bp points to frame payload */
338	icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
339
340	/* Fill in rest of iocb */
341	icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
342	icmd->un.genreq64.w5.hcsw.Dfctl = 0;
343	icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
344	icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
345
346	if (!tmo) {
347		 /* FC spec states we need 3 * ratov for CT requests */
348		tmo = (3 * phba->fc_ratov);
349	}
350	icmd->ulpTimeout = tmo;
351	icmd->ulpBdeCount = 1;
352	icmd->ulpLe = 1;
353	icmd->ulpClass = CLASS3;
354	icmd->ulpContext = ndlp->nlp_rpi;
355	if (phba->sli_rev == LPFC_SLI_REV4)
356		icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
357
358	if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
359		/* For GEN_REQUEST64_CR, use the RPI */
360		icmd->ulpCt_h = 0;
361		icmd->ulpCt_l = 0;
362	}
363
364	/* Issue GEN REQ IOCB for NPORT <did> */
365	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
366			 "0119 Issue GEN REQ IOCB to NPORT x%x "
367			 "Data: x%x x%x\n",
368			 ndlp->nlp_DID, icmd->ulpIoTag,
369			 vport->port_state);
370	geniocb->iocb_cmpl = cmpl;
371	geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
372	geniocb->vport = vport;
373	geniocb->retry = retry;
374	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
375
376	if (rc == IOCB_ERROR) {
377		lpfc_sli_release_iocbq(phba, geniocb);
378		return 1;
379	}
380
381	return 0;
382}
383
384static int
385lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
386	    struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
387	    void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
388			  struct lpfc_iocbq *),
389	    uint32_t rsp_size, uint8_t retry)
390{
391	struct lpfc_hba  *phba = vport->phba;
392	struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
393	struct lpfc_dmabuf *outmp;
394	int cnt = 0, status;
395	int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
396		CommandResponse.bits.CmdRsp;
397
398	bpl++;			/* Skip past ct request */
399
400	/* Put buffer(s) for ct rsp in bpl */
401	outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
402	if (!outmp)
403		return -ENOMEM;
404	/*
405	 * Form the CT IOCB.  The total number of BDEs in this IOCB
406	 * is the single command plus response count from
407	 * lpfc_alloc_ct_rsp.
408	 */
409	cnt += 1;
410	status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
411			      cnt, 0, retry);
412	if (status) {
413		lpfc_free_ct_rsp(phba, outmp);
414		return -ENOMEM;
415	}
416	return 0;
417}
418
419struct lpfc_vport *
420lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
421	struct lpfc_vport *vport_curr;
422	unsigned long flags;
423
424	spin_lock_irqsave(&phba->hbalock, flags);
425	list_for_each_entry(vport_curr, &phba->port_list, listentry) {
426		if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
427			spin_unlock_irqrestore(&phba->hbalock, flags);
428			return vport_curr;
429		}
430	}
431	spin_unlock_irqrestore(&phba->hbalock, flags);
432	return NULL;
433}
434
435static int
436lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
437{
438	struct lpfc_hba  *phba = vport->phba;
439	struct lpfc_sli_ct_request *Response =
440		(struct lpfc_sli_ct_request *) mp->virt;
441	struct lpfc_nodelist *ndlp = NULL;
442	struct lpfc_dmabuf *mlast, *next_mp;
443	uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
444	uint32_t Did, CTentry;
445	int Cnt;
446	struct list_head head;
447
448	lpfc_set_disctmo(vport);
449	vport->num_disc_nodes = 0;
450	vport->fc_ns_retry = 0;
451
452
453	list_add_tail(&head, &mp->list);
454	list_for_each_entry_safe(mp, next_mp, &head, list) {
455		mlast = mp;
456
457		Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
458
459		Size -= Cnt;
460
461		if (!ctptr) {
462			ctptr = (uint32_t *) mlast->virt;
463		} else
464			Cnt -= 16;	/* subtract length of CT header */
465
466		/* Loop through entire NameServer list of DIDs */
467		while (Cnt >= sizeof (uint32_t)) {
468			/* Get next DID from NameServer List */
469			CTentry = *ctptr++;
470			Did = ((be32_to_cpu(CTentry)) & Mask_DID);
471
472			ndlp = NULL;
473
474			/*
475			 * Check for rscn processing or not
476			 * To conserve rpi's, filter out addresses for other
477			 * vports on the same physical HBAs.
478			 */
479			if ((Did != vport->fc_myDID) &&
480			    ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
481			     vport->cfg_peer_port_login)) {
482				if ((vport->port_type != LPFC_NPIV_PORT) ||
483				    (!(vport->ct_flags & FC_CT_RFF_ID)) ||
484				    (!vport->cfg_restrict_login)) {
485					ndlp = lpfc_setup_disc_node(vport, Did);
486					if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
487						lpfc_debugfs_disc_trc(vport,
488						LPFC_DISC_TRC_CT,
489						"Parse GID_FTrsp: "
490						"did:x%x flg:x%x x%x",
491						Did, ndlp->nlp_flag,
492						vport->fc_flag);
493
494						lpfc_printf_vlog(vport,
495							KERN_INFO,
496							LOG_DISCOVERY,
497							"0238 Process "
498							"x%x NameServer Rsp"
499							"Data: x%x x%x x%x\n",
500							Did, ndlp->nlp_flag,
501							vport->fc_flag,
502							vport->fc_rscn_id_cnt);
503					} else {
504						lpfc_debugfs_disc_trc(vport,
505						LPFC_DISC_TRC_CT,
506						"Skip1 GID_FTrsp: "
507						"did:x%x flg:x%x cnt:%d",
508						Did, vport->fc_flag,
509						vport->fc_rscn_id_cnt);
510
511						lpfc_printf_vlog(vport,
512							KERN_INFO,
513							LOG_DISCOVERY,
514							"0239 Skip x%x "
515							"NameServer Rsp Data: "
516							"x%x x%x\n",
517							Did, vport->fc_flag,
518							vport->fc_rscn_id_cnt);
519					}
520
521				} else {
522					if (!(vport->fc_flag & FC_RSCN_MODE) ||
523					(lpfc_rscn_payload_check(vport, Did))) {
524						lpfc_debugfs_disc_trc(vport,
525						LPFC_DISC_TRC_CT,
526						"Query GID_FTrsp: "
527						"did:x%x flg:x%x cnt:%d",
528						Did, vport->fc_flag,
529						vport->fc_rscn_id_cnt);
530
531						/* This NPortID was previously
532						 * a FCP target, * Don't even
533						 * bother to send GFF_ID.
534						 */
535						ndlp = lpfc_findnode_did(vport,
536							Did);
537						if (ndlp &&
538						    NLP_CHK_NODE_ACT(ndlp)
539						    && (ndlp->nlp_type &
540						     NLP_FCP_TARGET))
541							lpfc_setup_disc_node
542								(vport, Did);
543						else if (lpfc_ns_cmd(vport,
544							SLI_CTNS_GFF_ID,
545							0, Did) == 0)
546							vport->num_disc_nodes++;
547						else
548							lpfc_setup_disc_node
549								(vport, Did);
550					}
551					else {
552						lpfc_debugfs_disc_trc(vport,
553						LPFC_DISC_TRC_CT,
554						"Skip2 GID_FTrsp: "
555						"did:x%x flg:x%x cnt:%d",
556						Did, vport->fc_flag,
557						vport->fc_rscn_id_cnt);
558
559						lpfc_printf_vlog(vport,
560							KERN_INFO,
561							LOG_DISCOVERY,
562							"0245 Skip x%x "
563							"NameServer Rsp Data: "
564							"x%x x%x\n",
565							Did, vport->fc_flag,
566							vport->fc_rscn_id_cnt);
567					}
568				}
569			}
570			if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY)))
571				goto nsout1;
572			Cnt -= sizeof (uint32_t);
573		}
574		ctptr = NULL;
575
576	}
577
578nsout1:
579	list_del(&head);
580	return 0;
581}
582
583static void
584lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
585			struct lpfc_iocbq *rspiocb)
586{
587	struct lpfc_vport *vport = cmdiocb->vport;
588	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
589	IOCB_t *irsp;
590	struct lpfc_dmabuf *bmp;
591	struct lpfc_dmabuf *outp;
592	struct lpfc_sli_ct_request *CTrsp;
593	struct lpfc_nodelist *ndlp;
594	int rc;
595
596	/* First save ndlp, before we overwrite it */
597	ndlp = cmdiocb->context_un.ndlp;
598
599	/* we pass cmdiocb to state machine which needs rspiocb as well */
600	cmdiocb->context_un.rsp_iocb = rspiocb;
601
602	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
603	bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
604	irsp = &rspiocb->iocb;
605
606	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
607		 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
608		irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
609
610	/* Don't bother processing response if vport is being torn down. */
611	if (vport->load_flag & FC_UNLOADING) {
612		if (vport->fc_flag & FC_RSCN_MODE)
613			lpfc_els_flush_rscn(vport);
614		goto out;
615	}
616
617	if (lpfc_els_chk_latt(vport)) {
618		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
619				 "0216 Link event during NS query\n");
620		if (vport->fc_flag & FC_RSCN_MODE)
621			lpfc_els_flush_rscn(vport);
622		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
623		goto out;
624	}
625	if (lpfc_error_lost_link(irsp)) {
626		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
627				 "0226 NS query failed due to link event\n");
628		if (vport->fc_flag & FC_RSCN_MODE)
629			lpfc_els_flush_rscn(vport);
630		goto out;
631	}
632	if (irsp->ulpStatus) {
633		/* Check for retry */
634		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
635			if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
636			    irsp->un.ulpWord[4] != IOERR_NO_RESOURCES)
637				vport->fc_ns_retry++;
638
639			/* CT command is being retried */
640			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
641					 vport->fc_ns_retry, 0);
642			if (rc == 0)
643				goto out;
644		}
645		if (vport->fc_flag & FC_RSCN_MODE)
646			lpfc_els_flush_rscn(vport);
647		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
648		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
649				 "0257 GID_FT Query error: 0x%x 0x%x\n",
650				 irsp->ulpStatus, vport->fc_ns_retry);
651	} else {
652		/* Good status, continue checking */
653		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
654		if (CTrsp->CommandResponse.bits.CmdRsp ==
655		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
656			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
657					 "0208 NameServer Rsp Data: x%x\n",
658					 vport->fc_flag);
659			lpfc_ns_rsp(vport, outp,
660				    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
661		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
662			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
663			/* NameServer Rsp Error */
664			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
665			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
666				lpfc_printf_vlog(vport, KERN_INFO,
667					LOG_DISCOVERY,
668					"0269 No NameServer Entries "
669					"Data: x%x x%x x%x x%x\n",
670					CTrsp->CommandResponse.bits.CmdRsp,
671					(uint32_t) CTrsp->ReasonCode,
672					(uint32_t) CTrsp->Explanation,
673					vport->fc_flag);
674
675				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
676				"GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
677				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
678				(uint32_t) CTrsp->ReasonCode,
679				(uint32_t) CTrsp->Explanation);
680			} else {
681				lpfc_printf_vlog(vport, KERN_INFO,
682					LOG_DISCOVERY,
683					"0240 NameServer Rsp Error "
684					"Data: x%x x%x x%x x%x\n",
685					CTrsp->CommandResponse.bits.CmdRsp,
686					(uint32_t) CTrsp->ReasonCode,
687					(uint32_t) CTrsp->Explanation,
688					vport->fc_flag);
689
690				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
691				"GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
692				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
693				(uint32_t) CTrsp->ReasonCode,
694				(uint32_t) CTrsp->Explanation);
695			}
696
697
698		} else {
699			/* NameServer Rsp Error */
700			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
701					"0241 NameServer Rsp Error "
702					"Data: x%x x%x x%x x%x\n",
703					CTrsp->CommandResponse.bits.CmdRsp,
704					(uint32_t) CTrsp->ReasonCode,
705					(uint32_t) CTrsp->Explanation,
706					vport->fc_flag);
707
708			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
709				"GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
710				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
711				(uint32_t) CTrsp->ReasonCode,
712				(uint32_t) CTrsp->Explanation);
713		}
714	}
715	/* Link up / RSCN discovery */
716	if (vport->num_disc_nodes == 0) {
717		/*
718		 * The driver has cycled through all Nports in the RSCN payload.
719		 * Complete the handling by cleaning up and marking the
720		 * current driver state.
721		 */
722		if (vport->port_state >= LPFC_DISC_AUTH) {
723			if (vport->fc_flag & FC_RSCN_MODE) {
724				lpfc_els_flush_rscn(vport);
725				spin_lock_irq(shost->host_lock);
726				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
727				spin_unlock_irq(shost->host_lock);
728			}
729			else
730				lpfc_els_flush_rscn(vport);
731		}
732
733		lpfc_disc_start(vport);
734	}
735out:
736	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
737	lpfc_ct_free_iocb(phba, cmdiocb);
738	return;
739}
740
741static void
742lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
743			struct lpfc_iocbq *rspiocb)
744{
745	struct lpfc_vport *vport = cmdiocb->vport;
746	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
747	IOCB_t *irsp = &rspiocb->iocb;
748	struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
749	struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
750	struct lpfc_sli_ct_request *CTrsp;
751	int did, rc, retry;
752	uint8_t fbits;
753	struct lpfc_nodelist *ndlp;
754
755	did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
756	did = be32_to_cpu(did);
757
758	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
759		"GFF_ID cmpl:     status:x%x/x%x did:x%x",
760		irsp->ulpStatus, irsp->un.ulpWord[4], did);
761
762	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
763		/* Good status, continue checking */
764		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
765		fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
766
767		if (CTrsp->CommandResponse.bits.CmdRsp ==
768		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
769			if ((fbits & FC4_FEATURE_INIT) &&
770			    !(fbits & FC4_FEATURE_TARGET)) {
771				lpfc_printf_vlog(vport, KERN_INFO,
772						 LOG_DISCOVERY,
773						 "0270 Skip x%x GFF "
774						 "NameServer Rsp Data: (init) "
775						 "x%x x%x\n", did, fbits,
776						 vport->fc_rscn_id_cnt);
777				goto out;
778			}
779		}
780	}
781	else {
782		/* Check for retry */
783		if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
784			retry = 1;
785			if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
786				switch (irsp->un.ulpWord[4]) {
787				case IOERR_NO_RESOURCES:
788					/* We don't increment the retry
789					 * count for this case.
790					 */
791					break;
792				case IOERR_LINK_DOWN:
793				case IOERR_SLI_ABORTED:
794				case IOERR_SLI_DOWN:
795					retry = 0;
796					break;
797				default:
798					cmdiocb->retry++;
799				}
800			}
801			else
802				cmdiocb->retry++;
803
804			if (retry) {
805				/* CT command is being retried */
806				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
807					 cmdiocb->retry, did);
808				if (rc == 0) {
809					/* success */
810					lpfc_ct_free_iocb(phba, cmdiocb);
811					return;
812				}
813			}
814		}
815		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
816				 "0267 NameServer GFF Rsp "
817				 "x%x Error (%d %d) Data: x%x x%x\n",
818				 did, irsp->ulpStatus, irsp->un.ulpWord[4],
819				 vport->fc_flag, vport->fc_rscn_id_cnt);
820	}
821
822	/* This is a target port, unregistered port, or the GFF_ID failed */
823	ndlp = lpfc_setup_disc_node(vport, did);
824	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
825		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
826				 "0242 Process x%x GFF "
827				 "NameServer Rsp Data: x%x x%x x%x\n",
828				 did, ndlp->nlp_flag, vport->fc_flag,
829				 vport->fc_rscn_id_cnt);
830	} else {
831		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
832				 "0243 Skip x%x GFF "
833				 "NameServer Rsp Data: x%x x%x\n", did,
834				 vport->fc_flag, vport->fc_rscn_id_cnt);
835	}
836out:
837	/* Link up / RSCN discovery */
838	if (vport->num_disc_nodes)
839		vport->num_disc_nodes--;
840	if (vport->num_disc_nodes == 0) {
841		/*
842		 * The driver has cycled through all Nports in the RSCN payload.
843		 * Complete the handling by cleaning up and marking the
844		 * current driver state.
845		 */
846		if (vport->port_state >= LPFC_DISC_AUTH) {
847			if (vport->fc_flag & FC_RSCN_MODE) {
848				lpfc_els_flush_rscn(vport);
849				spin_lock_irq(shost->host_lock);
850				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
851				spin_unlock_irq(shost->host_lock);
852			}
853			else
854				lpfc_els_flush_rscn(vport);
855		}
856		lpfc_disc_start(vport);
857	}
858	lpfc_ct_free_iocb(phba, cmdiocb);
859	return;
860}
861
862
863static void
864lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
865	     struct lpfc_iocbq *rspiocb)
866{
867	struct lpfc_vport *vport = cmdiocb->vport;
868	struct lpfc_dmabuf *inp;
869	struct lpfc_dmabuf *outp;
870	IOCB_t *irsp;
871	struct lpfc_sli_ct_request *CTrsp;
872	struct lpfc_nodelist *ndlp;
873	int cmdcode, rc;
874	uint8_t retry;
875	uint32_t latt;
876
877	/* First save ndlp, before we overwrite it */
878	ndlp = cmdiocb->context_un.ndlp;
879
880	/* we pass cmdiocb to state machine which needs rspiocb as well */
881	cmdiocb->context_un.rsp_iocb = rspiocb;
882
883	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
884	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
885	irsp = &rspiocb->iocb;
886
887	cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
888					CommandResponse.bits.CmdRsp);
889	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
890
891	latt = lpfc_els_chk_latt(vport);
892
893	/* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
894	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
895			 "0209 CT Request completes, latt %d, "
896			 "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
897			 latt, irsp->ulpStatus,
898			 CTrsp->CommandResponse.bits.CmdRsp,
899			 cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
900
901	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
902		"CT cmd cmpl:     status:x%x/x%x cmd:x%x",
903		irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
904
905	if (irsp->ulpStatus) {
906		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
907				 "0268 NS cmd %x Error (%d %d)\n",
908				 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
909
910		if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
911			((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) ||
912			 (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED)))
913			goto out;
914
915		retry = cmdiocb->retry;
916		if (retry >= LPFC_MAX_NS_RETRY)
917			goto out;
918
919		retry++;
920		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
921				 "0250 Retrying NS cmd %x\n", cmdcode);
922		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
923		if (rc == 0)
924			goto out;
925	}
926
927out:
928	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
929	lpfc_ct_free_iocb(phba, cmdiocb);
930	return;
931}
932
933static void
934lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
935			struct lpfc_iocbq *rspiocb)
936{
937	IOCB_t *irsp = &rspiocb->iocb;
938	struct lpfc_vport *vport = cmdiocb->vport;
939
940	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
941		struct lpfc_dmabuf *outp;
942		struct lpfc_sli_ct_request *CTrsp;
943
944		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
945		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
946		if (CTrsp->CommandResponse.bits.CmdRsp ==
947		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
948			vport->ct_flags |= FC_CT_RFT_ID;
949	}
950	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
951	return;
952}
953
954static void
955lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
956			struct lpfc_iocbq *rspiocb)
957{
958	IOCB_t *irsp = &rspiocb->iocb;
959	struct lpfc_vport *vport = cmdiocb->vport;
960
961	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
962		struct lpfc_dmabuf *outp;
963		struct lpfc_sli_ct_request *CTrsp;
964
965		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
966		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
967		if (CTrsp->CommandResponse.bits.CmdRsp ==
968		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
969			vport->ct_flags |= FC_CT_RNN_ID;
970	}
971	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
972	return;
973}
974
975static void
976lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
977			 struct lpfc_iocbq *rspiocb)
978{
979	IOCB_t *irsp = &rspiocb->iocb;
980	struct lpfc_vport *vport = cmdiocb->vport;
981
982	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
983		struct lpfc_dmabuf *outp;
984		struct lpfc_sli_ct_request *CTrsp;
985
986		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
987		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
988		if (CTrsp->CommandResponse.bits.CmdRsp ==
989		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
990			vport->ct_flags |= FC_CT_RSPN_ID;
991	}
992	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
993	return;
994}
995
996static void
997lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
998			 struct lpfc_iocbq *rspiocb)
999{
1000	IOCB_t *irsp = &rspiocb->iocb;
1001	struct lpfc_vport *vport = cmdiocb->vport;
1002
1003	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1004		struct lpfc_dmabuf *outp;
1005		struct lpfc_sli_ct_request *CTrsp;
1006
1007		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1008		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1009		if (CTrsp->CommandResponse.bits.CmdRsp ==
1010		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1011			vport->ct_flags |= FC_CT_RSNN_NN;
1012	}
1013	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1014	return;
1015}
1016
1017static void
1018lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1019 struct lpfc_iocbq *rspiocb)
1020{
1021	struct lpfc_vport *vport = cmdiocb->vport;
1022
1023	/* even if it fails we will act as though it succeeded. */
1024	vport->ct_flags = 0;
1025	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1026	return;
1027}
1028
1029static void
1030lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1031			struct lpfc_iocbq *rspiocb)
1032{
1033	IOCB_t *irsp = &rspiocb->iocb;
1034	struct lpfc_vport *vport = cmdiocb->vport;
1035
1036	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1037		struct lpfc_dmabuf *outp;
1038		struct lpfc_sli_ct_request *CTrsp;
1039
1040		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1041		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1042		if (CTrsp->CommandResponse.bits.CmdRsp ==
1043		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1044			vport->ct_flags |= FC_CT_RFF_ID;
1045	}
1046	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1047	return;
1048}
1049
1050int
1051lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1052	size_t size)
1053{
1054	int n;
1055	uint8_t *wwn = vport->phba->wwpn;
1056
1057	n = snprintf(symbol, size,
1058		     "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
1059		     wwn[0], wwn[1], wwn[2], wwn[3],
1060		     wwn[4], wwn[5], wwn[6], wwn[7]);
1061
1062	if (vport->port_type == LPFC_PHYSICAL_PORT)
1063		return n;
1064
1065	if (n < size)
1066		n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
1067
1068	if (n < size &&
1069	    strlen(vport->fc_vport->symbolic_name))
1070		n += snprintf(symbol + n, size - n, " VName-%s",
1071			      vport->fc_vport->symbolic_name);
1072	return n;
1073}
1074
1075int
1076lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1077	size_t size)
1078{
1079	char fwrev[16];
1080	int n;
1081
1082	lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1083
1084	n = snprintf(symbol, size, "Emulex %s FV%s DV%s",
1085		vport->phba->ModelName, fwrev, lpfc_release_version);
1086	return n;
1087}
1088
1089/*
1090 * lpfc_ns_cmd
1091 * Description:
1092 *    Issue Cmd to NameServer
1093 *       SLI_CTNS_GID_FT
1094 *       LI_CTNS_RFT_ID
1095 */
1096int
1097lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1098	    uint8_t retry, uint32_t context)
1099{
1100	struct lpfc_nodelist * ndlp;
1101	struct lpfc_hba *phba = vport->phba;
1102	struct lpfc_dmabuf *mp, *bmp;
1103	struct lpfc_sli_ct_request *CtReq;
1104	struct ulp_bde64 *bpl;
1105	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1106		      struct lpfc_iocbq *) = NULL;
1107	uint32_t rsp_size = 1024;
1108	size_t   size;
1109	int rc = 0;
1110
1111	ndlp = lpfc_findnode_did(vport, NameServer_DID);
1112	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1113	    || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1114		rc=1;
1115		goto ns_cmd_exit;
1116	}
1117
1118	/* fill in BDEs for command */
1119	/* Allocate buffer for command payload */
1120	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1121	if (!mp) {
1122		rc=2;
1123		goto ns_cmd_exit;
1124	}
1125
1126	INIT_LIST_HEAD(&mp->list);
1127	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1128	if (!mp->virt) {
1129		rc=3;
1130		goto ns_cmd_free_mp;
1131	}
1132
1133	/* Allocate buffer for Buffer ptr list */
1134	bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1135	if (!bmp) {
1136		rc=4;
1137		goto ns_cmd_free_mpvirt;
1138	}
1139
1140	INIT_LIST_HEAD(&bmp->list);
1141	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1142	if (!bmp->virt) {
1143		rc=5;
1144		goto ns_cmd_free_bmp;
1145	}
1146
1147	/* NameServer Req */
1148	lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1149			 "0236 NameServer Req Data: x%x x%x x%x\n",
1150			 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
1151
1152	bpl = (struct ulp_bde64 *) bmp->virt;
1153	memset(bpl, 0, sizeof(struct ulp_bde64));
1154	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1155	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1156	bpl->tus.f.bdeFlags = 0;
1157	if (cmdcode == SLI_CTNS_GID_FT)
1158		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1159	else if (cmdcode == SLI_CTNS_GFF_ID)
1160		bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1161	else if (cmdcode == SLI_CTNS_RFT_ID)
1162		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1163	else if (cmdcode == SLI_CTNS_RNN_ID)
1164		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1165	else if (cmdcode == SLI_CTNS_RSPN_ID)
1166		bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1167	else if (cmdcode == SLI_CTNS_RSNN_NN)
1168		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1169	else if (cmdcode == SLI_CTNS_DA_ID)
1170		bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1171	else if (cmdcode == SLI_CTNS_RFF_ID)
1172		bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1173	else
1174		bpl->tus.f.bdeSize = 0;
1175	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1176
1177	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1178	memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
1179	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1180	CtReq->RevisionId.bits.InId = 0;
1181	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1182	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1183	CtReq->CommandResponse.bits.Size = 0;
1184	switch (cmdcode) {
1185	case SLI_CTNS_GID_FT:
1186		CtReq->CommandResponse.bits.CmdRsp =
1187		    be16_to_cpu(SLI_CTNS_GID_FT);
1188		CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
1189		if (vport->port_state < LPFC_NS_QRY)
1190			vport->port_state = LPFC_NS_QRY;
1191		lpfc_set_disctmo(vport);
1192		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1193		rsp_size = FC_MAX_NS_RSP;
1194		break;
1195
1196	case SLI_CTNS_GFF_ID:
1197		CtReq->CommandResponse.bits.CmdRsp =
1198			be16_to_cpu(SLI_CTNS_GFF_ID);
1199		CtReq->un.gff.PortId = cpu_to_be32(context);
1200		cmpl = lpfc_cmpl_ct_cmd_gff_id;
1201		break;
1202
1203	case SLI_CTNS_RFT_ID:
1204		vport->ct_flags &= ~FC_CT_RFT_ID;
1205		CtReq->CommandResponse.bits.CmdRsp =
1206		    be16_to_cpu(SLI_CTNS_RFT_ID);
1207		CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1208		CtReq->un.rft.fcpReg = 1;
1209		cmpl = lpfc_cmpl_ct_cmd_rft_id;
1210		break;
1211
1212	case SLI_CTNS_RNN_ID:
1213		vport->ct_flags &= ~FC_CT_RNN_ID;
1214		CtReq->CommandResponse.bits.CmdRsp =
1215		    be16_to_cpu(SLI_CTNS_RNN_ID);
1216		CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1217		memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1218		       sizeof (struct lpfc_name));
1219		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1220		break;
1221
1222	case SLI_CTNS_RSPN_ID:
1223		vport->ct_flags &= ~FC_CT_RSPN_ID;
1224		CtReq->CommandResponse.bits.CmdRsp =
1225		    be16_to_cpu(SLI_CTNS_RSPN_ID);
1226		CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1227		size = sizeof(CtReq->un.rspn.symbname);
1228		CtReq->un.rspn.len =
1229			lpfc_vport_symbolic_port_name(vport,
1230			CtReq->un.rspn.symbname, size);
1231		cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1232		break;
1233	case SLI_CTNS_RSNN_NN:
1234		vport->ct_flags &= ~FC_CT_RSNN_NN;
1235		CtReq->CommandResponse.bits.CmdRsp =
1236		    be16_to_cpu(SLI_CTNS_RSNN_NN);
1237		memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1238		       sizeof (struct lpfc_name));
1239		size = sizeof(CtReq->un.rsnn.symbname);
1240		CtReq->un.rsnn.len =
1241			lpfc_vport_symbolic_node_name(vport,
1242			CtReq->un.rsnn.symbname, size);
1243		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1244		break;
1245	case SLI_CTNS_DA_ID:
1246		/* Implement DA_ID Nameserver request */
1247		CtReq->CommandResponse.bits.CmdRsp =
1248			be16_to_cpu(SLI_CTNS_DA_ID);
1249		CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1250		cmpl = lpfc_cmpl_ct_cmd_da_id;
1251		break;
1252	case SLI_CTNS_RFF_ID:
1253		vport->ct_flags &= ~FC_CT_RFF_ID;
1254		CtReq->CommandResponse.bits.CmdRsp =
1255		    be16_to_cpu(SLI_CTNS_RFF_ID);
1256		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1257		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1258		CtReq->un.rff.type_code = FC_TYPE_FCP;
1259		cmpl = lpfc_cmpl_ct_cmd_rff_id;
1260		break;
1261	}
1262	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1263	 * to hold ndlp reference for the corresponding callback function.
1264	 */
1265	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1266		/* On success, The cmpl function will free the buffers */
1267		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1268			"Issue CT cmd:    cmd:x%x did:x%x",
1269			cmdcode, ndlp->nlp_DID, 0);
1270		return 0;
1271	}
1272	rc=6;
1273
1274	/* Decrement ndlp reference count to release ndlp reference held
1275	 * for the failed command's callback function.
1276	 */
1277	lpfc_nlp_put(ndlp);
1278
1279	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1280ns_cmd_free_bmp:
1281	kfree(bmp);
1282ns_cmd_free_mpvirt:
1283	lpfc_mbuf_free(phba, mp->virt, mp->phys);
1284ns_cmd_free_mp:
1285	kfree(mp);
1286ns_cmd_exit:
1287	lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1288			 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1289			 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1290	return 1;
1291}
1292
1293static void
1294lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1295		      struct lpfc_iocbq * rspiocb)
1296{
1297	struct lpfc_dmabuf *inp = cmdiocb->context1;
1298	struct lpfc_dmabuf *outp = cmdiocb->context2;
1299	struct lpfc_sli_ct_request *CTrsp = outp->virt;
1300	struct lpfc_sli_ct_request *CTcmd = inp->virt;
1301	struct lpfc_nodelist *ndlp;
1302	uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1303	uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1304	struct lpfc_vport *vport = cmdiocb->vport;
1305	IOCB_t *irsp = &rspiocb->iocb;
1306	uint32_t latt;
1307
1308	latt = lpfc_els_chk_latt(vport);
1309
1310	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1311		"FDMI cmpl:       status:x%x/x%x latt:%d",
1312		irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1313
1314	if (latt || irsp->ulpStatus) {
1315		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1316				 "0229 FDMI cmd %04x failed, latt = %d "
1317				 "ulpStatus: x%x, rid x%x\n",
1318				 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1319				 irsp->un.ulpWord[4]);
1320		lpfc_ct_free_iocb(phba, cmdiocb);
1321		return;
1322	}
1323
1324	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1325	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1326		goto fail_out;
1327
1328	if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1329		/* FDMI rsp failed */
1330		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1331				 "0220 FDMI rsp failed Data: x%x\n",
1332				 be16_to_cpu(fdmi_cmd));
1333	}
1334
1335	switch (be16_to_cpu(fdmi_cmd)) {
1336	case SLI_MGMT_RHBA:
1337		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA);
1338		break;
1339
1340	case SLI_MGMT_RPA:
1341		break;
1342
1343	case SLI_MGMT_DHBA:
1344		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT);
1345		break;
1346
1347	case SLI_MGMT_DPRT:
1348		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
1349		break;
1350	}
1351
1352fail_out:
1353	lpfc_ct_free_iocb(phba, cmdiocb);
1354	return;
1355}
1356
1357int
1358lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
1359{
1360	struct lpfc_hba *phba = vport->phba;
1361	struct lpfc_dmabuf *mp, *bmp;
1362	struct lpfc_sli_ct_request *CtReq;
1363	struct ulp_bde64 *bpl;
1364	uint32_t size;
1365	REG_HBA *rh;
1366	PORT_ENTRY *pe;
1367	REG_PORT_ATTRIBUTE *pab;
1368	ATTRIBUTE_BLOCK *ab;
1369	ATTRIBUTE_ENTRY *ae;
1370	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1371		      struct lpfc_iocbq *);
1372
1373
1374	/* fill in BDEs for command */
1375	/* Allocate buffer for command payload */
1376	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1377	if (!mp)
1378		goto fdmi_cmd_exit;
1379
1380	mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
1381	if (!mp->virt)
1382		goto fdmi_cmd_free_mp;
1383
1384	/* Allocate buffer for Buffer ptr list */
1385	bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1386	if (!bmp)
1387		goto fdmi_cmd_free_mpvirt;
1388
1389	bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
1390	if (!bmp->virt)
1391		goto fdmi_cmd_free_bmp;
1392
1393	INIT_LIST_HEAD(&mp->list);
1394	INIT_LIST_HEAD(&bmp->list);
1395
1396	/* FDMI request */
1397	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1398			 "0218 FDMI Request Data: x%x x%x x%x\n",
1399			 vport->fc_flag, vport->port_state, cmdcode);
1400	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1401
1402	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1403	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1404	CtReq->RevisionId.bits.InId = 0;
1405
1406	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
1407	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
1408	size = 0;
1409
1410	switch (cmdcode) {
1411	case SLI_MGMT_RHBA:
1412		{
1413			lpfc_vpd_t *vp = &phba->vpd;
1414			uint32_t i, j, incr;
1415			int len;
1416
1417			CtReq->CommandResponse.bits.CmdRsp =
1418			    be16_to_cpu(SLI_MGMT_RHBA);
1419			CtReq->CommandResponse.bits.Size = 0;
1420			rh = (REG_HBA *) & CtReq->un.PortID;
1421			memcpy(&rh->hi.PortName, &vport->fc_sparam.portName,
1422			       sizeof (struct lpfc_name));
1423			/* One entry (port) per adapter */
1424			rh->rpl.EntryCnt = be32_to_cpu(1);
1425			memcpy(&rh->rpl.pe, &vport->fc_sparam.portName,
1426			       sizeof (struct lpfc_name));
1427
1428			/* point to the HBA attribute block */
1429			size = 2 * sizeof (struct lpfc_name) + FOURBYTES;
1430			ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size);
1431			ab->EntryCnt = 0;
1432
1433			/* Point to the beginning of the first HBA attribute
1434			   entry */
1435			/* #1 HBA attribute entry */
1436			size += FOURBYTES;
1437			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1438			ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME);
1439			ae->ad.bits.AttrLen =  be16_to_cpu(FOURBYTES
1440						+ sizeof (struct lpfc_name));
1441			memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1442			       sizeof (struct lpfc_name));
1443			ab->EntryCnt++;
1444			size += FOURBYTES + sizeof (struct lpfc_name);
1445
1446			/* #2 HBA attribute entry */
1447			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1448			ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER);
1449			strcpy(ae->un.Manufacturer, "Emulex Corporation");
1450			len = strlen(ae->un.Manufacturer);
1451			len += (len & 3) ? (4 - (len & 3)) : 4;
1452			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1453			ab->EntryCnt++;
1454			size += FOURBYTES + len;
1455
1456			/* #3 HBA attribute entry */
1457			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1458			ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER);
1459			strcpy(ae->un.SerialNumber, phba->SerialNumber);
1460			len = strlen(ae->un.SerialNumber);
1461			len += (len & 3) ? (4 - (len & 3)) : 4;
1462			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1463			ab->EntryCnt++;
1464			size += FOURBYTES + len;
1465
1466			/* #4 HBA attribute entry */
1467			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1468			ae->ad.bits.AttrType = be16_to_cpu(MODEL);
1469			strcpy(ae->un.Model, phba->ModelName);
1470			len = strlen(ae->un.Model);
1471			len += (len & 3) ? (4 - (len & 3)) : 4;
1472			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1473			ab->EntryCnt++;
1474			size += FOURBYTES + len;
1475
1476			/* #5 HBA attribute entry */
1477			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1478			ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION);
1479			strcpy(ae->un.ModelDescription, phba->ModelDesc);
1480			len = strlen(ae->un.ModelDescription);
1481			len += (len & 3) ? (4 - (len & 3)) : 4;
1482			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1483			ab->EntryCnt++;
1484			size += FOURBYTES + len;
1485
1486			/* #6 HBA attribute entry */
1487			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1488			ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION);
1489			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8);
1490			/* Convert JEDEC ID to ascii for hardware version */
1491			incr = vp->rev.biuRev;
1492			for (i = 0; i < 8; i++) {
1493				j = (incr & 0xf);
1494				if (j <= 9)
1495					ae->un.HardwareVersion[7 - i] =
1496					    (char)((uint8_t) 0x30 +
1497						   (uint8_t) j);
1498				else
1499					ae->un.HardwareVersion[7 - i] =
1500					    (char)((uint8_t) 0x61 +
1501						   (uint8_t) (j - 10));
1502				incr = (incr >> 4);
1503			}
1504			ab->EntryCnt++;
1505			size += FOURBYTES + 8;
1506
1507			/* #7 HBA attribute entry */
1508			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1509			ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION);
1510			strcpy(ae->un.DriverVersion, lpfc_release_version);
1511			len = strlen(ae->un.DriverVersion);
1512			len += (len & 3) ? (4 - (len & 3)) : 4;
1513			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1514			ab->EntryCnt++;
1515			size += FOURBYTES + len;
1516
1517			/* #8 HBA attribute entry */
1518			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1519			ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION);
1520			strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion);
1521			len = strlen(ae->un.OptionROMVersion);
1522			len += (len & 3) ? (4 - (len & 3)) : 4;
1523			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1524			ab->EntryCnt++;
1525			size += FOURBYTES + len;
1526
1527			/* #9 HBA attribute entry */
1528			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1529			ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION);
1530			lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion,
1531				1);
1532			len = strlen(ae->un.FirmwareVersion);
1533			len += (len & 3) ? (4 - (len & 3)) : 4;
1534			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1535			ab->EntryCnt++;
1536			size += FOURBYTES + len;
1537
1538			/* #10 HBA attribute entry */
1539			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1540			ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION);
1541			sprintf(ae->un.OsNameVersion, "%s %s %s",
1542				init_utsname()->sysname,
1543				init_utsname()->release,
1544				init_utsname()->version);
1545			len = strlen(ae->un.OsNameVersion);
1546			len += (len & 3) ? (4 - (len & 3)) : 4;
1547			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1548			ab->EntryCnt++;
1549			size += FOURBYTES + len;
1550
1551			/* #11 HBA attribute entry */
1552			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1553			ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN);
1554			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1555			ae->un.MaxCTPayloadLen = (65 * 4096);
1556			ab->EntryCnt++;
1557			size += FOURBYTES + 4;
1558
1559			ab->EntryCnt = be32_to_cpu(ab->EntryCnt);
1560			/* Total size */
1561			size = GID_REQUEST_SZ - 4 + size;
1562		}
1563		break;
1564
1565	case SLI_MGMT_RPA:
1566		{
1567			lpfc_vpd_t *vp;
1568			struct serv_parm *hsp;
1569			int len;
1570
1571			vp = &phba->vpd;
1572
1573			CtReq->CommandResponse.bits.CmdRsp =
1574			    be16_to_cpu(SLI_MGMT_RPA);
1575			CtReq->CommandResponse.bits.Size = 0;
1576			pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID;
1577			size = sizeof (struct lpfc_name) + FOURBYTES;
1578			memcpy((uint8_t *) & pab->PortName,
1579			       (uint8_t *) & vport->fc_sparam.portName,
1580			       sizeof (struct lpfc_name));
1581			pab->ab.EntryCnt = 0;
1582
1583			/* #1 Port attribute entry */
1584			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1585			ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES);
1586			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32);
1587			ae->un.SupportFC4Types[2] = 1;
1588			ae->un.SupportFC4Types[7] = 1;
1589			pab->ab.EntryCnt++;
1590			size += FOURBYTES + 32;
1591
1592			/* #2 Port attribute entry */
1593			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1594			ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED);
1595			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1596
1597			ae->un.SupportSpeed = 0;
1598			if (phba->lmt & LMT_16Gb)
1599				ae->un.SupportSpeed |= HBA_PORTSPEED_16GBIT;
1600			if (phba->lmt & LMT_10Gb)
1601				ae->un.SupportSpeed |= HBA_PORTSPEED_10GBIT;
1602			if (phba->lmt & LMT_8Gb)
1603				ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT;
1604			if (phba->lmt & LMT_4Gb)
1605				ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT;
1606			if (phba->lmt & LMT_2Gb)
1607				ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT;
1608			if (phba->lmt & LMT_1Gb)
1609				ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT;
1610
1611			pab->ab.EntryCnt++;
1612			size += FOURBYTES + 4;
1613
1614			/* #3 Port attribute entry */
1615			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1616			ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED);
1617			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1618			switch(phba->fc_linkspeed) {
1619			case LPFC_LINK_SPEED_1GHZ:
1620				ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
1621				break;
1622			case LPFC_LINK_SPEED_2GHZ:
1623				ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
1624				break;
1625			case LPFC_LINK_SPEED_4GHZ:
1626				ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
1627				break;
1628			case LPFC_LINK_SPEED_8GHZ:
1629				ae->un.PortSpeed = HBA_PORTSPEED_8GBIT;
1630				break;
1631			case LPFC_LINK_SPEED_10GHZ:
1632				ae->un.PortSpeed = HBA_PORTSPEED_10GBIT;
1633				break;
1634			case LPFC_LINK_SPEED_16GHZ:
1635				ae->un.PortSpeed = HBA_PORTSPEED_16GBIT;
1636				break;
1637			default:
1638				ae->un.PortSpeed = HBA_PORTSPEED_UNKNOWN;
1639				break;
1640			}
1641			pab->ab.EntryCnt++;
1642			size += FOURBYTES + 4;
1643
1644			/* #4 Port attribute entry */
1645			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1646			ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE);
1647			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1648			hsp = (struct serv_parm *) & vport->fc_sparam;
1649			ae->un.MaxFrameSize =
1650			    (((uint32_t) hsp->cmn.
1651			      bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn.
1652			    bbRcvSizeLsb;
1653			pab->ab.EntryCnt++;
1654			size += FOURBYTES + 4;
1655
1656			/* #5 Port attribute entry */
1657			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1658			ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME);
1659			strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME);
1660			len = strlen((char *)ae->un.OsDeviceName);
1661			len += (len & 3) ? (4 - (len & 3)) : 4;
1662			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1663			pab->ab.EntryCnt++;
1664			size += FOURBYTES + len;
1665
1666			if (vport->cfg_fdmi_on == 2) {
1667				/* #6 Port attribute entry */
1668				ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab +
1669							  size);
1670				ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME);
1671				sprintf(ae->un.HostName, "%s",
1672					init_utsname()->nodename);
1673				len = strlen(ae->un.HostName);
1674				len += (len & 3) ? (4 - (len & 3)) : 4;
1675				ae->ad.bits.AttrLen =
1676				    be16_to_cpu(FOURBYTES + len);
1677				pab->ab.EntryCnt++;
1678				size += FOURBYTES + len;
1679			}
1680
1681			pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt);
1682			/* Total size */
1683			size = GID_REQUEST_SZ - 4 + size;
1684		}
1685		break;
1686
1687	case SLI_MGMT_DHBA:
1688		CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA);
1689		CtReq->CommandResponse.bits.Size = 0;
1690		pe = (PORT_ENTRY *) & CtReq->un.PortID;
1691		memcpy((uint8_t *) & pe->PortName,
1692		       (uint8_t *) & vport->fc_sparam.portName,
1693		       sizeof (struct lpfc_name));
1694		size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1695		break;
1696
1697	case SLI_MGMT_DPRT:
1698		CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT);
1699		CtReq->CommandResponse.bits.Size = 0;
1700		pe = (PORT_ENTRY *) & CtReq->un.PortID;
1701		memcpy((uint8_t *) & pe->PortName,
1702		       (uint8_t *) & vport->fc_sparam.portName,
1703		       sizeof (struct lpfc_name));
1704		size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1705		break;
1706	}
1707
1708	bpl = (struct ulp_bde64 *) bmp->virt;
1709	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1710	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1711	bpl->tus.f.bdeFlags = 0;
1712	bpl->tus.f.bdeSize = size;
1713	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1714
1715	cmpl = lpfc_cmpl_ct_cmd_fdmi;
1716
1717	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1718	 * to hold ndlp reference for the corresponding callback function.
1719	 */
1720	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0))
1721		return 0;
1722
1723	/* Decrement ndlp reference count to release ndlp reference held
1724	 * for the failed command's callback function.
1725	 */
1726	lpfc_nlp_put(ndlp);
1727
1728	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1729fdmi_cmd_free_bmp:
1730	kfree(bmp);
1731fdmi_cmd_free_mpvirt:
1732	lpfc_mbuf_free(phba, mp->virt, mp->phys);
1733fdmi_cmd_free_mp:
1734	kfree(mp);
1735fdmi_cmd_exit:
1736	/* Issue FDMI request failed */
1737	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1738			 "0244 Issue FDMI request failed Data: x%x\n",
1739			 cmdcode);
1740	return 1;
1741}
1742
1743/**
1744 * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
1745 * @ptr - Context object of the timer.
1746 *
1747 * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
1748 * the worker thread.
1749 **/
1750void
1751lpfc_delayed_disc_tmo(unsigned long ptr)
1752{
1753	struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
1754	struct lpfc_hba   *phba = vport->phba;
1755	uint32_t tmo_posted;
1756	unsigned long iflag;
1757
1758	spin_lock_irqsave(&vport->work_port_lock, iflag);
1759	tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
1760	if (!tmo_posted)
1761		vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
1762	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1763
1764	if (!tmo_posted)
1765		lpfc_worker_wake_up(phba);
1766	return;
1767}
1768
1769/**
1770 * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
1771 *      handle delayed discovery.
1772 * @vport: pointer to a host virtual N_Port data structure.
1773 *
1774 * This function start nport discovery of the vport.
1775 **/
1776void
1777lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
1778{
1779	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1780
1781	spin_lock_irq(shost->host_lock);
1782	if (!(vport->fc_flag & FC_DISC_DELAYED)) {
1783		spin_unlock_irq(shost->host_lock);
1784		return;
1785	}
1786	vport->fc_flag &= ~FC_DISC_DELAYED;
1787	spin_unlock_irq(shost->host_lock);
1788
1789	lpfc_do_scr_ns_plogi(vport->phba, vport);
1790}
1791
1792void
1793lpfc_fdmi_tmo(unsigned long ptr)
1794{
1795	struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
1796	struct lpfc_hba   *phba = vport->phba;
1797	uint32_t tmo_posted;
1798	unsigned long iflag;
1799
1800	spin_lock_irqsave(&vport->work_port_lock, iflag);
1801	tmo_posted = vport->work_port_events & WORKER_FDMI_TMO;
1802	if (!tmo_posted)
1803		vport->work_port_events |= WORKER_FDMI_TMO;
1804	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1805
1806	if (!tmo_posted)
1807		lpfc_worker_wake_up(phba);
1808	return;
1809}
1810
1811void
1812lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
1813{
1814	struct lpfc_nodelist *ndlp;
1815
1816	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1817	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1818		if (init_utsname()->nodename[0] != '\0')
1819			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
1820		else
1821			mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60);
1822	}
1823	return;
1824}
1825
1826void
1827lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
1828{
1829	struct lpfc_sli *psli = &phba->sli;
1830	lpfc_vpd_t *vp = &phba->vpd;
1831	uint32_t b1, b2, b3, b4, i, rev;
1832	char c;
1833	uint32_t *ptr, str[4];
1834	uint8_t *fwname;
1835
1836	if (phba->sli_rev == LPFC_SLI_REV4)
1837		sprintf(fwrevision, "%s", vp->rev.opFwName);
1838	else if (vp->rev.rBit) {
1839		if (psli->sli_flag & LPFC_SLI_ACTIVE)
1840			rev = vp->rev.sli2FwRev;
1841		else
1842			rev = vp->rev.sli1FwRev;
1843
1844		b1 = (rev & 0x0000f000) >> 12;
1845		b2 = (rev & 0x00000f00) >> 8;
1846		b3 = (rev & 0x000000c0) >> 6;
1847		b4 = (rev & 0x00000030) >> 4;
1848
1849		switch (b4) {
1850		case 0:
1851			c = 'N';
1852			break;
1853		case 1:
1854			c = 'A';
1855			break;
1856		case 2:
1857			c = 'B';
1858			break;
1859		case 3:
1860			c = 'X';
1861			break;
1862		default:
1863			c = 0;
1864			break;
1865		}
1866		b4 = (rev & 0x0000000f);
1867
1868		if (psli->sli_flag & LPFC_SLI_ACTIVE)
1869			fwname = vp->rev.sli2FwName;
1870		else
1871			fwname = vp->rev.sli1FwName;
1872
1873		for (i = 0; i < 16; i++)
1874			if (fwname[i] == 0x20)
1875				fwname[i] = 0;
1876
1877		ptr = (uint32_t*)fwname;
1878
1879		for (i = 0; i < 3; i++)
1880			str[i] = be32_to_cpu(*ptr++);
1881
1882		if (c == 0) {
1883			if (flag)
1884				sprintf(fwrevision, "%d.%d%d (%s)",
1885					b1, b2, b3, (char *)str);
1886			else
1887				sprintf(fwrevision, "%d.%d%d", b1,
1888					b2, b3);
1889		} else {
1890			if (flag)
1891				sprintf(fwrevision, "%d.%d%d%c%d (%s)",
1892					b1, b2, b3, c,
1893					b4, (char *)str);
1894			else
1895				sprintf(fwrevision, "%d.%d%d%c%d",
1896					b1, b2, b3, c, b4);
1897		}
1898	} else {
1899		rev = vp->rev.smFwRev;
1900
1901		b1 = (rev & 0xff000000) >> 24;
1902		b2 = (rev & 0x00f00000) >> 20;
1903		b3 = (rev & 0x000f0000) >> 16;
1904		c  = (rev & 0x0000ff00) >> 8;
1905		b4 = (rev & 0x000000ff);
1906
1907		sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
1908	}
1909	return;
1910}
1911