lpfc_init.c revision 13815c8344a238c204e4f4339b22dc4833c6df0f 
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for         *
3 * Fibre Channel Host Bus Adapters.                                *
4 * Copyright (C) 2004-2007 Emulex.  All rights reserved.           *
5 * EMULEX and SLI are trademarks of Emulex.                        *
6 * www.emulex.com                                                  *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
8 *                                                                 *
9 * This program is free software; you can redistribute it and/or   *
10 * modify it under the terms of version 2 of the GNU General       *
11 * Public License as published by the Free Software Foundation.    *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
18 * more details, a copy of which can be found in the file COPYING  *
19 * included with this package.                                     *
20 *******************************************************************/
21
22#include <linux/blkdev.h>
23#include <linux/delay.h>
24#include <linux/dma-mapping.h>
25#include <linux/idr.h>
26#include <linux/interrupt.h>
27#include <linux/kthread.h>
28#include <linux/pci.h>
29#include <linux/spinlock.h>
30#include <linux/ctype.h>
31
32#include <scsi/scsi.h>
33#include <scsi/scsi_device.h>
34#include <scsi/scsi_host.h>
35#include <scsi/scsi_transport_fc.h>
36
37#include "lpfc_hw.h"
38#include "lpfc_sli.h"
39#include "lpfc_disc.h"
40#include "lpfc_scsi.h"
41#include "lpfc.h"
42#include "lpfc_logmsg.h"
43#include "lpfc_crtn.h"
44#include "lpfc_vport.h"
45#include "lpfc_version.h"
46
47static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
48static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
49static int lpfc_post_rcv_buf(struct lpfc_hba *);
50
51static struct scsi_transport_template *lpfc_transport_template = NULL;
52static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
53static DEFINE_IDR(lpfc_hba_index);
54
55/************************************************************************/
56/*                                                                      */
57/*    lpfc_config_port_prep                                             */
58/*    This routine will do LPFC initialization prior to the             */
59/*    CONFIG_PORT mailbox command. This will be initialized             */
60/*    as a SLI layer callback routine.                                  */
61/*    This routine returns 0 on success or -ERESTART if it wants        */
62/*    the SLI layer to reset the HBA and try again. Any                 */
63/*    other return value indicates an error.                            */
64/*                                                                      */
65/************************************************************************/
66int
67lpfc_config_port_prep(struct lpfc_hba *phba)
68{
69	lpfc_vpd_t *vp = &phba->vpd;
70	int i = 0, rc;
71	LPFC_MBOXQ_t *pmb;
72	MAILBOX_t *mb;
73	char *lpfc_vpd_data = NULL;
74	uint16_t offset = 0;
75	static char licensed[56] =
76		    "key unlock for use with gnu public licensed code only\0";
77	static int init_key = 1;
78
79	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
80	if (!pmb) {
81		phba->link_state = LPFC_HBA_ERROR;
82		return -ENOMEM;
83	}
84
85	mb = &pmb->mb;
86	phba->link_state = LPFC_INIT_MBX_CMDS;
87
88	if (lpfc_is_LC_HBA(phba->pcidev->device)) {
89		if (init_key) {
90			uint32_t *ptext = (uint32_t *) licensed;
91
92			for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
93				*ptext = cpu_to_be32(*ptext);
94			init_key = 0;
95		}
96
97		lpfc_read_nv(phba, pmb);
98		memset((char*)mb->un.varRDnvp.rsvd3, 0,
99			sizeof (mb->un.varRDnvp.rsvd3));
100		memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
101			 sizeof (licensed));
102
103		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
104
105		if (rc != MBX_SUCCESS) {
106			lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
107					"0324 Config Port initialization "
108					"error, mbxCmd x%x READ_NVPARM, "
109					"mbxStatus x%x\n",
110					mb->mbxCommand, mb->mbxStatus);
111			mempool_free(pmb, phba->mbox_mem_pool);
112			return -ERESTART;
113		}
114		memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
115		       sizeof(phba->wwnn));
116		memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
117		       sizeof(phba->wwpn));
118	}
119
120	phba->sli3_options = 0x0;
121
122	/* Setup and issue mailbox READ REV command */
123	lpfc_read_rev(phba, pmb);
124	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
125	if (rc != MBX_SUCCESS) {
126		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
127				"0439 Adapter failed to init, mbxCmd x%x "
128				"READ_REV, mbxStatus x%x\n",
129				mb->mbxCommand, mb->mbxStatus);
130		mempool_free( pmb, phba->mbox_mem_pool);
131		return -ERESTART;
132	}
133
134
135	/*
136	 * The value of rr must be 1 since the driver set the cv field to 1.
137	 * This setting requires the FW to set all revision fields.
138	 */
139	if (mb->un.varRdRev.rr == 0) {
140		vp->rev.rBit = 0;
141		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
142				"0440 Adapter failed to init, READ_REV has "
143				"missing revision information.\n");
144		mempool_free(pmb, phba->mbox_mem_pool);
145		return -ERESTART;
146	}
147
148	if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp)
149		return -EINVAL;
150
151	/* Save information as VPD data */
152	vp->rev.rBit = 1;
153	memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
154	vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
155	memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
156	vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
157	memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
158	vp->rev.biuRev = mb->un.varRdRev.biuRev;
159	vp->rev.smRev = mb->un.varRdRev.smRev;
160	vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
161	vp->rev.endecRev = mb->un.varRdRev.endecRev;
162	vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
163	vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
164	vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
165	vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
166	vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
167	vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
168
169	/* If the sli feature level is less then 9, we must
170	 * tear down all RPIs and VPIs on link down if NPIV
171	 * is enabled.
172	 */
173	if (vp->rev.feaLevelHigh < 9)
174		phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
175
176	if (lpfc_is_LC_HBA(phba->pcidev->device))
177		memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
178						sizeof (phba->RandomData));
179
180	/* Get adapter VPD information */
181	pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
182	if (!pmb->context2)
183		goto out_free_mbox;
184	lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
185	if (!lpfc_vpd_data)
186		goto out_free_context2;
187
188	do {
189		lpfc_dump_mem(phba, pmb, offset);
190		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
191
192		if (rc != MBX_SUCCESS) {
193			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
194					"0441 VPD not present on adapter, "
195					"mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
196					mb->mbxCommand, mb->mbxStatus);
197			mb->un.varDmp.word_cnt = 0;
198		}
199		if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
200			mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
201		lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
202				      mb->un.varDmp.word_cnt);
203		offset += mb->un.varDmp.word_cnt;
204	} while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
205	lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
206
207	kfree(lpfc_vpd_data);
208out_free_context2:
209	kfree(pmb->context2);
210out_free_mbox:
211	mempool_free(pmb, phba->mbox_mem_pool);
212	return 0;
213}
214
215/* Completion handler for config async event mailbox command. */
216static void
217lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
218{
219	if (pmboxq->mb.mbxStatus == MBX_SUCCESS)
220		phba->temp_sensor_support = 1;
221	else
222		phba->temp_sensor_support = 0;
223	mempool_free(pmboxq, phba->mbox_mem_pool);
224	return;
225}
226
227/************************************************************************/
228/*                                                                      */
229/*    lpfc_config_port_post                                             */
230/*    This routine will do LPFC initialization after the                */
231/*    CONFIG_PORT mailbox command. This will be initialized             */
232/*    as a SLI layer callback routine.                                  */
233/*    This routine returns 0 on success. Any other return value         */
234/*    indicates an error.                                               */
235/*                                                                      */
236/************************************************************************/
237int
238lpfc_config_port_post(struct lpfc_hba *phba)
239{
240	struct lpfc_vport *vport = phba->pport;
241	LPFC_MBOXQ_t *pmb;
242	MAILBOX_t *mb;
243	struct lpfc_dmabuf *mp;
244	struct lpfc_sli *psli = &phba->sli;
245	uint32_t status, timeout;
246	int i, j;
247	int rc;
248
249	spin_lock_irq(&phba->hbalock);
250	/*
251	 * If the Config port completed correctly the HBA is not
252	 * over heated any more.
253	 */
254	if (phba->over_temp_state == HBA_OVER_TEMP)
255		phba->over_temp_state = HBA_NORMAL_TEMP;
256	spin_unlock_irq(&phba->hbalock);
257
258	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
259	if (!pmb) {
260		phba->link_state = LPFC_HBA_ERROR;
261		return -ENOMEM;
262	}
263	mb = &pmb->mb;
264
265	/* Get login parameters for NID.  */
266	lpfc_read_sparam(phba, pmb, 0);
267	pmb->vport = vport;
268	if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
269		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
270				"0448 Adapter failed init, mbxCmd x%x "
271				"READ_SPARM mbxStatus x%x\n",
272				mb->mbxCommand, mb->mbxStatus);
273		phba->link_state = LPFC_HBA_ERROR;
274		mp = (struct lpfc_dmabuf *) pmb->context1;
275		mempool_free( pmb, phba->mbox_mem_pool);
276		lpfc_mbuf_free(phba, mp->virt, mp->phys);
277		kfree(mp);
278		return -EIO;
279	}
280
281	mp = (struct lpfc_dmabuf *) pmb->context1;
282
283	memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
284	lpfc_mbuf_free(phba, mp->virt, mp->phys);
285	kfree(mp);
286	pmb->context1 = NULL;
287
288	if (phba->cfg_soft_wwnn)
289		u64_to_wwn(phba->cfg_soft_wwnn,
290			   vport->fc_sparam.nodeName.u.wwn);
291	if (phba->cfg_soft_wwpn)
292		u64_to_wwn(phba->cfg_soft_wwpn,
293			   vport->fc_sparam.portName.u.wwn);
294	memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
295	       sizeof (struct lpfc_name));
296	memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
297	       sizeof (struct lpfc_name));
298	/* If no serial number in VPD data, use low 6 bytes of WWNN */
299	/* This should be consolidated into parse_vpd ? - mr */
300	if (phba->SerialNumber[0] == 0) {
301		uint8_t *outptr;
302
303		outptr = &vport->fc_nodename.u.s.IEEE[0];
304		for (i = 0; i < 12; i++) {
305			status = *outptr++;
306			j = ((status & 0xf0) >> 4);
307			if (j <= 9)
308				phba->SerialNumber[i] =
309				    (char)((uint8_t) 0x30 + (uint8_t) j);
310			else
311				phba->SerialNumber[i] =
312				    (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
313			i++;
314			j = (status & 0xf);
315			if (j <= 9)
316				phba->SerialNumber[i] =
317				    (char)((uint8_t) 0x30 + (uint8_t) j);
318			else
319				phba->SerialNumber[i] =
320				    (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
321		}
322	}
323
324	lpfc_read_config(phba, pmb);
325	pmb->vport = vport;
326	if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
327		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
328				"0453 Adapter failed to init, mbxCmd x%x "
329				"READ_CONFIG, mbxStatus x%x\n",
330				mb->mbxCommand, mb->mbxStatus);
331		phba->link_state = LPFC_HBA_ERROR;
332		mempool_free( pmb, phba->mbox_mem_pool);
333		return -EIO;
334	}
335
336	/* Reset the DFT_HBA_Q_DEPTH to the max xri  */
337	if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
338		phba->cfg_hba_queue_depth =
339			mb->un.varRdConfig.max_xri + 1;
340
341	phba->lmt = mb->un.varRdConfig.lmt;
342
343	/* Get the default values for Model Name and Description */
344	lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
345
346	if ((phba->cfg_link_speed > LINK_SPEED_10G)
347	    || ((phba->cfg_link_speed == LINK_SPEED_1G)
348		&& !(phba->lmt & LMT_1Gb))
349	    || ((phba->cfg_link_speed == LINK_SPEED_2G)
350		&& !(phba->lmt & LMT_2Gb))
351	    || ((phba->cfg_link_speed == LINK_SPEED_4G)
352		&& !(phba->lmt & LMT_4Gb))
353	    || ((phba->cfg_link_speed == LINK_SPEED_8G)
354		&& !(phba->lmt & LMT_8Gb))
355	    || ((phba->cfg_link_speed == LINK_SPEED_10G)
356		&& !(phba->lmt & LMT_10Gb))) {
357		/* Reset link speed to auto */
358		lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
359			"1302 Invalid speed for this board: "
360			"Reset link speed to auto: x%x\n",
361			phba->cfg_link_speed);
362			phba->cfg_link_speed = LINK_SPEED_AUTO;
363	}
364
365	phba->link_state = LPFC_LINK_DOWN;
366
367	/* Only process IOCBs on ELS ring till hba_state is READY */
368	if (psli->ring[psli->extra_ring].cmdringaddr)
369		psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
370	if (psli->ring[psli->fcp_ring].cmdringaddr)
371		psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
372	if (psli->ring[psli->next_ring].cmdringaddr)
373		psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
374
375	/* Post receive buffers for desired rings */
376	if (phba->sli_rev != 3)
377		lpfc_post_rcv_buf(phba);
378
379	/* Enable appropriate host interrupts */
380	spin_lock_irq(&phba->hbalock);
381	status = readl(phba->HCregaddr);
382	status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
383	if (psli->num_rings > 0)
384		status |= HC_R0INT_ENA;
385	if (psli->num_rings > 1)
386		status |= HC_R1INT_ENA;
387	if (psli->num_rings > 2)
388		status |= HC_R2INT_ENA;
389	if (psli->num_rings > 3)
390		status |= HC_R3INT_ENA;
391
392	if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
393	    (phba->cfg_poll & DISABLE_FCP_RING_INT))
394		status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
395
396	writel(status, phba->HCregaddr);
397	readl(phba->HCregaddr); /* flush */
398	spin_unlock_irq(&phba->hbalock);
399
400	/*
401	 * Setup the ring 0 (els)  timeout handler
402	 */
403	timeout = phba->fc_ratov << 1;
404	mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
405	mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
406	phba->hb_outstanding = 0;
407	phba->last_completion_time = jiffies;
408
409	lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
410	pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
411	pmb->vport = vport;
412	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
413	lpfc_set_loopback_flag(phba);
414	if (rc != MBX_SUCCESS) {
415		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
416				"0454 Adapter failed to init, mbxCmd x%x "
417				"INIT_LINK, mbxStatus x%x\n",
418				mb->mbxCommand, mb->mbxStatus);
419
420		/* Clear all interrupt enable conditions */
421		writel(0, phba->HCregaddr);
422		readl(phba->HCregaddr); /* flush */
423		/* Clear all pending interrupts */
424		writel(0xffffffff, phba->HAregaddr);
425		readl(phba->HAregaddr); /* flush */
426
427		phba->link_state = LPFC_HBA_ERROR;
428		if (rc != MBX_BUSY)
429			mempool_free(pmb, phba->mbox_mem_pool);
430		return -EIO;
431	}
432	/* MBOX buffer will be freed in mbox compl */
433	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
434	lpfc_config_async(phba, pmb, LPFC_ELS_RING);
435	pmb->mbox_cmpl = lpfc_config_async_cmpl;
436	pmb->vport = phba->pport;
437	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
438
439	if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
440		lpfc_printf_log(phba,
441				KERN_ERR,
442				LOG_INIT,
443				"0456 Adapter failed to issue "
444				"ASYNCEVT_ENABLE mbox status x%x \n.",
445				rc);
446		mempool_free(pmb, phba->mbox_mem_pool);
447	}
448	return (0);
449}
450
451/************************************************************************/
452/*                                                                      */
453/*    lpfc_hba_down_prep                                                */
454/*    This routine will do LPFC uninitialization before the             */
455/*    HBA is reset when bringing down the SLI Layer. This will be       */
456/*    initialized as a SLI layer callback routine.                      */
457/*    This routine returns 0 on success. Any other return value         */
458/*    indicates an error.                                               */
459/*                                                                      */
460/************************************************************************/
461int
462lpfc_hba_down_prep(struct lpfc_hba *phba)
463{
464	/* Disable interrupts */
465	writel(0, phba->HCregaddr);
466	readl(phba->HCregaddr); /* flush */
467
468	lpfc_cleanup_discovery_resources(phba->pport);
469	return 0;
470}
471
472/************************************************************************/
473/*                                                                      */
474/*    lpfc_hba_down_post                                                */
475/*    This routine will do uninitialization after the HBA is reset      */
476/*    when bringing down the SLI Layer.                                 */
477/*    This routine returns 0 on success. Any other return value         */
478/*    indicates an error.                                               */
479/*                                                                      */
480/************************************************************************/
481int
482lpfc_hba_down_post(struct lpfc_hba *phba)
483{
484	struct lpfc_sli *psli = &phba->sli;
485	struct lpfc_sli_ring *pring;
486	struct lpfc_dmabuf *mp, *next_mp;
487	int i;
488
489	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
490		lpfc_sli_hbqbuf_free_all(phba);
491	else {
492		/* Cleanup preposted buffers on the ELS ring */
493		pring = &psli->ring[LPFC_ELS_RING];
494		list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
495			list_del(&mp->list);
496			pring->postbufq_cnt--;
497			lpfc_mbuf_free(phba, mp->virt, mp->phys);
498			kfree(mp);
499		}
500	}
501
502	for (i = 0; i < psli->num_rings; i++) {
503		pring = &psli->ring[i];
504		lpfc_sli_abort_iocb_ring(phba, pring);
505	}
506
507	return 0;
508}
509
510/* HBA heart beat timeout handler */
511static void
512lpfc_hb_timeout(unsigned long ptr)
513{
514	struct lpfc_hba *phba;
515	unsigned long iflag;
516
517	phba = (struct lpfc_hba *)ptr;
518	spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
519	if (!(phba->pport->work_port_events & WORKER_HB_TMO))
520		phba->pport->work_port_events |= WORKER_HB_TMO;
521	spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
522
523	if (phba->work_wait)
524		wake_up(phba->work_wait);
525	return;
526}
527
528static void
529lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
530{
531	unsigned long drvr_flag;
532
533	spin_lock_irqsave(&phba->hbalock, drvr_flag);
534	phba->hb_outstanding = 0;
535	spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
536
537	mempool_free(pmboxq, phba->mbox_mem_pool);
538	if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
539		!(phba->link_state == LPFC_HBA_ERROR) &&
540		!(phba->pport->load_flag & FC_UNLOADING))
541		mod_timer(&phba->hb_tmofunc,
542			jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
543	return;
544}
545
546void
547lpfc_hb_timeout_handler(struct lpfc_hba *phba)
548{
549	LPFC_MBOXQ_t *pmboxq;
550	struct lpfc_dmabuf *buf_ptr;
551	int retval;
552	struct lpfc_sli *psli = &phba->sli;
553	LIST_HEAD(completions);
554
555	if ((phba->link_state == LPFC_HBA_ERROR) ||
556		(phba->pport->load_flag & FC_UNLOADING) ||
557		(phba->pport->fc_flag & FC_OFFLINE_MODE))
558		return;
559
560	spin_lock_irq(&phba->pport->work_port_lock);
561	/* If the timer is already canceled do nothing */
562	if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
563		spin_unlock_irq(&phba->pport->work_port_lock);
564		return;
565	}
566
567	if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
568		jiffies)) {
569		spin_unlock_irq(&phba->pport->work_port_lock);
570		if (!phba->hb_outstanding)
571			mod_timer(&phba->hb_tmofunc,
572				jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
573		else
574			mod_timer(&phba->hb_tmofunc,
575				jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
576		return;
577	}
578	spin_unlock_irq(&phba->pport->work_port_lock);
579
580	if (phba->elsbuf_cnt &&
581		(phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
582		spin_lock_irq(&phba->hbalock);
583		list_splice_init(&phba->elsbuf, &completions);
584		phba->elsbuf_cnt = 0;
585		phba->elsbuf_prev_cnt = 0;
586		spin_unlock_irq(&phba->hbalock);
587
588		while (!list_empty(&completions)) {
589			list_remove_head(&completions, buf_ptr,
590				struct lpfc_dmabuf, list);
591			lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
592			kfree(buf_ptr);
593		}
594	}
595	phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
596
597	/* If there is no heart beat outstanding, issue a heartbeat command */
598	if (phba->cfg_enable_hba_heartbeat) {
599		if (!phba->hb_outstanding) {
600			pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
601			if (!pmboxq) {
602				mod_timer(&phba->hb_tmofunc,
603					  jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
604				return;
605			}
606
607			lpfc_heart_beat(phba, pmboxq);
608			pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
609			pmboxq->vport = phba->pport;
610			retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
611
612			if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
613				mempool_free(pmboxq, phba->mbox_mem_pool);
614				mod_timer(&phba->hb_tmofunc,
615					  jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
616				return;
617			}
618			mod_timer(&phba->hb_tmofunc,
619				  jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
620			phba->hb_outstanding = 1;
621			return;
622		} else {
623			/*
624			* If heart beat timeout called with hb_outstanding set
625			* we need to take the HBA offline.
626			*/
627			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
628					"0459 Adapter heartbeat failure, "
629					"taking this port offline.\n");
630
631			spin_lock_irq(&phba->hbalock);
632			psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
633			spin_unlock_irq(&phba->hbalock);
634
635			lpfc_offline_prep(phba);
636			lpfc_offline(phba);
637			lpfc_unblock_mgmt_io(phba);
638			phba->link_state = LPFC_HBA_ERROR;
639			lpfc_hba_down_post(phba);
640		}
641	}
642}
643
644/************************************************************************/
645/*                                                                      */
646/*    lpfc_handle_eratt                                                 */
647/*    This routine will handle processing a Host Attention              */
648/*    Error Status event. This will be initialized                      */
649/*    as a SLI layer callback routine.                                  */
650/*                                                                      */
651/************************************************************************/
652void
653lpfc_handle_eratt(struct lpfc_hba *phba)
654{
655	struct lpfc_vport *vport = phba->pport;
656	struct lpfc_sli   *psli = &phba->sli;
657	struct lpfc_sli_ring  *pring;
658	struct lpfc_vport **vports;
659	uint32_t event_data;
660	unsigned long temperature;
661	struct temp_event temp_event_data;
662	struct Scsi_Host  *shost;
663	int i;
664
665	/* If the pci channel is offline, ignore possible errors,
666	 * since we cannot communicate with the pci card anyway. */
667	if (pci_channel_offline(phba->pcidev))
668		return;
669	/* If resets are disabled then leave the HBA alone and return */
670	if (!phba->cfg_enable_hba_reset)
671		return;
672
673	if (phba->work_hs & HS_FFER6 ||
674	    phba->work_hs & HS_FFER5) {
675		/* Re-establishing Link */
676		lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
677				"1301 Re-establishing Link "
678				"Data: x%x x%x x%x\n",
679				phba->work_hs,
680				phba->work_status[0], phba->work_status[1]);
681		vports = lpfc_create_vport_work_array(phba);
682		if (vports != NULL)
683			for(i = 0;
684			    i < LPFC_MAX_VPORTS && vports[i] != NULL;
685			    i++){
686				shost = lpfc_shost_from_vport(vports[i]);
687				spin_lock_irq(shost->host_lock);
688				vports[i]->fc_flag |= FC_ESTABLISH_LINK;
689				spin_unlock_irq(shost->host_lock);
690			}
691		lpfc_destroy_vport_work_array(vports);
692		spin_lock_irq(&phba->hbalock);
693		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
694		spin_unlock_irq(&phba->hbalock);
695
696		/*
697		* Firmware stops when it triggled erratt with HS_FFER6.
698		* That could cause the I/Os dropped by the firmware.
699		* Error iocb (I/O) on txcmplq and let the SCSI layer
700		* retry it after re-establishing link.
701		*/
702		pring = &psli->ring[psli->fcp_ring];
703		lpfc_sli_abort_iocb_ring(phba, pring);
704
705
706		/*
707		 * There was a firmware error.  Take the hba offline and then
708		 * attempt to restart it.
709		 */
710		lpfc_offline_prep(phba);
711		lpfc_offline(phba);
712		lpfc_sli_brdrestart(phba);
713		if (lpfc_online(phba) == 0) {	/* Initialize the HBA */
714			mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
715			lpfc_unblock_mgmt_io(phba);
716			return;
717		}
718		lpfc_unblock_mgmt_io(phba);
719	} else if (phba->work_hs & HS_CRIT_TEMP) {
720		temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
721		temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
722		temp_event_data.event_code = LPFC_CRIT_TEMP;
723		temp_event_data.data = (uint32_t)temperature;
724
725		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
726				"0459 Adapter maximum temperature exceeded "
727				"(%ld), taking this port offline "
728				"Data: x%x x%x x%x\n",
729				temperature, phba->work_hs,
730				phba->work_status[0], phba->work_status[1]);
731
732		shost = lpfc_shost_from_vport(phba->pport);
733		fc_host_post_vendor_event(shost, fc_get_event_number(),
734					  sizeof(temp_event_data),
735					  (char *) &temp_event_data,
736					  SCSI_NL_VID_TYPE_PCI
737					  | PCI_VENDOR_ID_EMULEX);
738
739		spin_lock_irq(&phba->hbalock);
740		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
741		phba->over_temp_state = HBA_OVER_TEMP;
742		spin_unlock_irq(&phba->hbalock);
743		lpfc_offline_prep(phba);
744		lpfc_offline(phba);
745		lpfc_unblock_mgmt_io(phba);
746		phba->link_state = LPFC_HBA_ERROR;
747		lpfc_hba_down_post(phba);
748
749	} else {
750		/* The if clause above forces this code path when the status
751		 * failure is a value other than FFER6.  Do not call the offline
752		 *  twice. This is the adapter hardware error path.
753		 */
754		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
755				"0457 Adapter Hardware Error "
756				"Data: x%x x%x x%x\n",
757				phba->work_hs,
758				phba->work_status[0], phba->work_status[1]);
759
760		event_data = FC_REG_DUMP_EVENT;
761		shost = lpfc_shost_from_vport(vport);
762		fc_host_post_vendor_event(shost, fc_get_event_number(),
763				sizeof(event_data), (char *) &event_data,
764				SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
765
766		spin_lock_irq(&phba->hbalock);
767		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
768		spin_unlock_irq(&phba->hbalock);
769		lpfc_offline_prep(phba);
770		lpfc_offline(phba);
771		lpfc_unblock_mgmt_io(phba);
772		phba->link_state = LPFC_HBA_ERROR;
773		lpfc_hba_down_post(phba);
774	}
775}
776
777/************************************************************************/
778/*                                                                      */
779/*    lpfc_handle_latt                                                  */
780/*    This routine will handle processing a Host Attention              */
781/*    Link Status event. This will be initialized                       */
782/*    as a SLI layer callback routine.                                  */
783/*                                                                      */
784/************************************************************************/
785void
786lpfc_handle_latt(struct lpfc_hba *phba)
787{
788	struct lpfc_vport *vport = phba->pport;
789	struct lpfc_sli   *psli = &phba->sli;
790	LPFC_MBOXQ_t *pmb;
791	volatile uint32_t control;
792	struct lpfc_dmabuf *mp;
793	int rc = -ENOMEM;
794
795	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
796	if (!pmb)
797		goto lpfc_handle_latt_err_exit;
798
799	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
800	if (!mp)
801		goto lpfc_handle_latt_free_pmb;
802
803	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
804	if (!mp->virt)
805		goto lpfc_handle_latt_free_mp;
806
807	rc = -EIO;
808
809	/* Cleanup any outstanding ELS commands */
810	lpfc_els_flush_all_cmd(phba);
811
812	psli->slistat.link_event++;
813	lpfc_read_la(phba, pmb, mp);
814	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
815	pmb->vport = vport;
816	rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
817	if (rc == MBX_NOT_FINISHED)
818		goto lpfc_handle_latt_free_mbuf;
819
820	/* Clear Link Attention in HA REG */
821	spin_lock_irq(&phba->hbalock);
822	writel(HA_LATT, phba->HAregaddr);
823	readl(phba->HAregaddr); /* flush */
824	spin_unlock_irq(&phba->hbalock);
825
826	return;
827
828lpfc_handle_latt_free_mbuf:
829	lpfc_mbuf_free(phba, mp->virt, mp->phys);
830lpfc_handle_latt_free_mp:
831	kfree(mp);
832lpfc_handle_latt_free_pmb:
833	mempool_free(pmb, phba->mbox_mem_pool);
834lpfc_handle_latt_err_exit:
835	/* Enable Link attention interrupts */
836	spin_lock_irq(&phba->hbalock);
837	psli->sli_flag |= LPFC_PROCESS_LA;
838	control = readl(phba->HCregaddr);
839	control |= HC_LAINT_ENA;
840	writel(control, phba->HCregaddr);
841	readl(phba->HCregaddr); /* flush */
842
843	/* Clear Link Attention in HA REG */
844	writel(HA_LATT, phba->HAregaddr);
845	readl(phba->HAregaddr); /* flush */
846	spin_unlock_irq(&phba->hbalock);
847	lpfc_linkdown(phba);
848	phba->link_state = LPFC_HBA_ERROR;
849
850	/* The other case is an error from issue_mbox */
851	if (rc == -ENOMEM)
852		lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
853			        "0300 READ_LA: no buffers\n");
854
855	return;
856}
857
858/************************************************************************/
859/*                                                                      */
860/*   lpfc_parse_vpd                                                     */
861/*   This routine will parse the VPD data                               */
862/*                                                                      */
863/************************************************************************/
864static int
865lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
866{
867	uint8_t lenlo, lenhi;
868	int Length;
869	int i, j;
870	int finished = 0;
871	int index = 0;
872
873	if (!vpd)
874		return 0;
875
876	/* Vital Product */
877	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
878			"0455 Vital Product Data: x%x x%x x%x x%x\n",
879			(uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
880			(uint32_t) vpd[3]);
881	while (!finished && (index < (len - 4))) {
882		switch (vpd[index]) {
883		case 0x82:
884		case 0x91:
885			index += 1;
886			lenlo = vpd[index];
887			index += 1;
888			lenhi = vpd[index];
889			index += 1;
890			i = ((((unsigned short)lenhi) << 8) + lenlo);
891			index += i;
892			break;
893		case 0x90:
894			index += 1;
895			lenlo = vpd[index];
896			index += 1;
897			lenhi = vpd[index];
898			index += 1;
899			Length = ((((unsigned short)lenhi) << 8) + lenlo);
900			if (Length > len - index)
901				Length = len - index;
902			while (Length > 0) {
903			/* Look for Serial Number */
904			if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
905				index += 2;
906				i = vpd[index];
907				index += 1;
908				j = 0;
909				Length -= (3+i);
910				while(i--) {
911					phba->SerialNumber[j++] = vpd[index++];
912					if (j == 31)
913						break;
914				}
915				phba->SerialNumber[j] = 0;
916				continue;
917			}
918			else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
919				phba->vpd_flag |= VPD_MODEL_DESC;
920				index += 2;
921				i = vpd[index];
922				index += 1;
923				j = 0;
924				Length -= (3+i);
925				while(i--) {
926					phba->ModelDesc[j++] = vpd[index++];
927					if (j == 255)
928						break;
929				}
930				phba->ModelDesc[j] = 0;
931				continue;
932			}
933			else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
934				phba->vpd_flag |= VPD_MODEL_NAME;
935				index += 2;
936				i = vpd[index];
937				index += 1;
938				j = 0;
939				Length -= (3+i);
940				while(i--) {
941					phba->ModelName[j++] = vpd[index++];
942					if (j == 79)
943						break;
944				}
945				phba->ModelName[j] = 0;
946				continue;
947			}
948			else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
949				phba->vpd_flag |= VPD_PROGRAM_TYPE;
950				index += 2;
951				i = vpd[index];
952				index += 1;
953				j = 0;
954				Length -= (3+i);
955				while(i--) {
956					phba->ProgramType[j++] = vpd[index++];
957					if (j == 255)
958						break;
959				}
960				phba->ProgramType[j] = 0;
961				continue;
962			}
963			else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
964				phba->vpd_flag |= VPD_PORT;
965				index += 2;
966				i = vpd[index];
967				index += 1;
968				j = 0;
969				Length -= (3+i);
970				while(i--) {
971				phba->Port[j++] = vpd[index++];
972				if (j == 19)
973					break;
974				}
975				phba->Port[j] = 0;
976				continue;
977			}
978			else {
979				index += 2;
980				i = vpd[index];
981				index += 1;
982				index += i;
983				Length -= (3 + i);
984			}
985		}
986		finished = 0;
987		break;
988		case 0x78:
989			finished = 1;
990			break;
991		default:
992			index ++;
993			break;
994		}
995	}
996
997	return(1);
998}
999
1000static void
1001lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
1002{
1003	lpfc_vpd_t *vp;
1004	uint16_t dev_id = phba->pcidev->device;
1005	int max_speed;
1006	struct {
1007		char * name;
1008		int    max_speed;
1009		char * bus;
1010	} m = {"<Unknown>", 0, ""};
1011
1012	if (mdp && mdp[0] != '\0'
1013		&& descp && descp[0] != '\0')
1014		return;
1015
1016	if (phba->lmt & LMT_10Gb)
1017		max_speed = 10;
1018	else if (phba->lmt & LMT_8Gb)
1019		max_speed = 8;
1020	else if (phba->lmt & LMT_4Gb)
1021		max_speed = 4;
1022	else if (phba->lmt & LMT_2Gb)
1023		max_speed = 2;
1024	else
1025		max_speed = 1;
1026
1027	vp = &phba->vpd;
1028
1029	switch (dev_id) {
1030	case PCI_DEVICE_ID_FIREFLY:
1031		m = (typeof(m)){"LP6000", max_speed, "PCI"};
1032		break;
1033	case PCI_DEVICE_ID_SUPERFLY:
1034		if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
1035			m = (typeof(m)){"LP7000", max_speed,  "PCI"};
1036		else
1037			m = (typeof(m)){"LP7000E", max_speed, "PCI"};
1038		break;
1039	case PCI_DEVICE_ID_DRAGONFLY:
1040		m = (typeof(m)){"LP8000", max_speed, "PCI"};
1041		break;
1042	case PCI_DEVICE_ID_CENTAUR:
1043		if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
1044			m = (typeof(m)){"LP9002", max_speed, "PCI"};
1045		else
1046			m = (typeof(m)){"LP9000", max_speed, "PCI"};
1047		break;
1048	case PCI_DEVICE_ID_RFLY:
1049		m = (typeof(m)){"LP952", max_speed, "PCI"};
1050		break;
1051	case PCI_DEVICE_ID_PEGASUS:
1052		m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
1053		break;
1054	case PCI_DEVICE_ID_THOR:
1055		m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
1056		break;
1057	case PCI_DEVICE_ID_VIPER:
1058		m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
1059		break;
1060	case PCI_DEVICE_ID_PFLY:
1061		m = (typeof(m)){"LP982", max_speed, "PCI-X"};
1062		break;
1063	case PCI_DEVICE_ID_TFLY:
1064		m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
1065		break;
1066	case PCI_DEVICE_ID_HELIOS:
1067		m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
1068		break;
1069	case PCI_DEVICE_ID_HELIOS_SCSP:
1070		m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1071		break;
1072	case PCI_DEVICE_ID_HELIOS_DCSP:
1073		m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1074		break;
1075	case PCI_DEVICE_ID_NEPTUNE:
1076		m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1077		break;
1078	case PCI_DEVICE_ID_NEPTUNE_SCSP:
1079		m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1080		break;
1081	case PCI_DEVICE_ID_NEPTUNE_DCSP:
1082		m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1083		break;
1084	case PCI_DEVICE_ID_BMID:
1085		m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
1086		break;
1087	case PCI_DEVICE_ID_BSMB:
1088		m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
1089		break;
1090	case PCI_DEVICE_ID_ZEPHYR:
1091		m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1092		break;
1093	case PCI_DEVICE_ID_ZEPHYR_SCSP:
1094		m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1095		break;
1096	case PCI_DEVICE_ID_ZEPHYR_DCSP:
1097		m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1098		break;
1099	case PCI_DEVICE_ID_ZMID:
1100		m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1101		break;
1102	case PCI_DEVICE_ID_ZSMB:
1103		m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1104		break;
1105	case PCI_DEVICE_ID_LP101:
1106		m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1107		break;
1108	case PCI_DEVICE_ID_LP10000S:
1109		m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1110		break;
1111	case PCI_DEVICE_ID_LP11000S:
1112		m = (typeof(m)){"LP11000-S", max_speed,
1113			"PCI-X2"};
1114		break;
1115	case PCI_DEVICE_ID_LPE11000S:
1116		m = (typeof(m)){"LPe11000-S", max_speed,
1117			"PCIe"};
1118		break;
1119	case PCI_DEVICE_ID_SAT:
1120		m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1121		break;
1122	case PCI_DEVICE_ID_SAT_MID:
1123		m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1124		break;
1125	case PCI_DEVICE_ID_SAT_SMB:
1126		m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1127		break;
1128	case PCI_DEVICE_ID_SAT_DCSP:
1129		m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1130		break;
1131	case PCI_DEVICE_ID_SAT_SCSP:
1132		m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1133		break;
1134	case PCI_DEVICE_ID_SAT_S:
1135		m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1136		break;
1137	default:
1138		m = (typeof(m)){ NULL };
1139		break;
1140	}
1141
1142	if (mdp && mdp[0] == '\0')
1143		snprintf(mdp, 79,"%s", m.name);
1144	if (descp && descp[0] == '\0')
1145		snprintf(descp, 255,
1146			 "Emulex %s %dGb %s Fibre Channel Adapter",
1147			 m.name, m.max_speed, m.bus);
1148}
1149
1150/**************************************************/
1151/*   lpfc_post_buffer                             */
1152/*                                                */
1153/*   This routine will post count buffers to the  */
1154/*   ring with the QUE_RING_BUF_CN command. This  */
1155/*   allows 3 buffers / command to be posted.     */
1156/*   Returns the number of buffers NOT posted.    */
1157/**************************************************/
1158int
1159lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
1160		 int type)
1161{
1162	IOCB_t *icmd;
1163	struct lpfc_iocbq *iocb;
1164	struct lpfc_dmabuf *mp1, *mp2;
1165
1166	cnt += pring->missbufcnt;
1167
1168	/* While there are buffers to post */
1169	while (cnt > 0) {
1170		/* Allocate buffer for  command iocb */
1171		iocb = lpfc_sli_get_iocbq(phba);
1172		if (iocb == NULL) {
1173			pring->missbufcnt = cnt;
1174			return cnt;
1175		}
1176		icmd = &iocb->iocb;
1177
1178		/* 2 buffers can be posted per command */
1179		/* Allocate buffer to post */
1180		mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1181		if (mp1)
1182		    mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
1183		if (!mp1 || !mp1->virt) {
1184			kfree(mp1);
1185			lpfc_sli_release_iocbq(phba, iocb);
1186			pring->missbufcnt = cnt;
1187			return cnt;
1188		}
1189
1190		INIT_LIST_HEAD(&mp1->list);
1191		/* Allocate buffer to post */
1192		if (cnt > 1) {
1193			mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1194			if (mp2)
1195				mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1196							    &mp2->phys);
1197			if (!mp2 || !mp2->virt) {
1198				kfree(mp2);
1199				lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1200				kfree(mp1);
1201				lpfc_sli_release_iocbq(phba, iocb);
1202				pring->missbufcnt = cnt;
1203				return cnt;
1204			}
1205
1206			INIT_LIST_HEAD(&mp2->list);
1207		} else {
1208			mp2 = NULL;
1209		}
1210
1211		icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1212		icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1213		icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1214		icmd->ulpBdeCount = 1;
1215		cnt--;
1216		if (mp2) {
1217			icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1218			icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1219			icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1220			cnt--;
1221			icmd->ulpBdeCount = 2;
1222		}
1223
1224		icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1225		icmd->ulpLe = 1;
1226
1227		if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1228			lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1229			kfree(mp1);
1230			cnt++;
1231			if (mp2) {
1232				lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1233				kfree(mp2);
1234				cnt++;
1235			}
1236			lpfc_sli_release_iocbq(phba, iocb);
1237			pring->missbufcnt = cnt;
1238			return cnt;
1239		}
1240		lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1241		if (mp2)
1242			lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1243	}
1244	pring->missbufcnt = 0;
1245	return 0;
1246}
1247
1248/************************************************************************/
1249/*                                                                      */
1250/*   lpfc_post_rcv_buf                                                  */
1251/*   This routine post initial rcv buffers to the configured rings      */
1252/*                                                                      */
1253/************************************************************************/
1254static int
1255lpfc_post_rcv_buf(struct lpfc_hba *phba)
1256{
1257	struct lpfc_sli *psli = &phba->sli;
1258
1259	/* Ring 0, ELS / CT buffers */
1260	lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1261	/* Ring 2 - FCP no buffers needed */
1262
1263	return 0;
1264}
1265
1266#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1267
1268/************************************************************************/
1269/*                                                                      */
1270/*   lpfc_sha_init                                                      */
1271/*                                                                      */
1272/************************************************************************/
1273static void
1274lpfc_sha_init(uint32_t * HashResultPointer)
1275{
1276	HashResultPointer[0] = 0x67452301;
1277	HashResultPointer[1] = 0xEFCDAB89;
1278	HashResultPointer[2] = 0x98BADCFE;
1279	HashResultPointer[3] = 0x10325476;
1280	HashResultPointer[4] = 0xC3D2E1F0;
1281}
1282
1283/************************************************************************/
1284/*                                                                      */
1285/*   lpfc_sha_iterate                                                   */
1286/*                                                                      */
1287/************************************************************************/
1288static void
1289lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1290{
1291	int t;
1292	uint32_t TEMP;
1293	uint32_t A, B, C, D, E;
1294	t = 16;
1295	do {
1296		HashWorkingPointer[t] =
1297		    S(1,
1298		      HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1299								     8] ^
1300		      HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1301	} while (++t <= 79);
1302	t = 0;
1303	A = HashResultPointer[0];
1304	B = HashResultPointer[1];
1305	C = HashResultPointer[2];
1306	D = HashResultPointer[3];
1307	E = HashResultPointer[4];
1308
1309	do {
1310		if (t < 20) {
1311			TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1312		} else if (t < 40) {
1313			TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1314		} else if (t < 60) {
1315			TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1316		} else {
1317			TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1318		}
1319		TEMP += S(5, A) + E + HashWorkingPointer[t];
1320		E = D;
1321		D = C;
1322		C = S(30, B);
1323		B = A;
1324		A = TEMP;
1325	} while (++t <= 79);
1326
1327	HashResultPointer[0] += A;
1328	HashResultPointer[1] += B;
1329	HashResultPointer[2] += C;
1330	HashResultPointer[3] += D;
1331	HashResultPointer[4] += E;
1332
1333}
1334
1335/************************************************************************/
1336/*                                                                      */
1337/*   lpfc_challenge_key                                                 */
1338/*                                                                      */
1339/************************************************************************/
1340static void
1341lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1342{
1343	*HashWorking = (*RandomChallenge ^ *HashWorking);
1344}
1345
1346/************************************************************************/
1347/*                                                                      */
1348/*   lpfc_hba_init                                                      */
1349/*                                                                      */
1350/************************************************************************/
1351void
1352lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1353{
1354	int t;
1355	uint32_t *HashWorking;
1356	uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1357
1358	HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
1359	if (!HashWorking)
1360		return;
1361
1362	HashWorking[0] = HashWorking[78] = *pwwnn++;
1363	HashWorking[1] = HashWorking[79] = *pwwnn;
1364
1365	for (t = 0; t < 7; t++)
1366		lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1367
1368	lpfc_sha_init(hbainit);
1369	lpfc_sha_iterate(hbainit, HashWorking);
1370	kfree(HashWorking);
1371}
1372
1373void
1374lpfc_cleanup(struct lpfc_vport *vport)
1375{
1376	struct lpfc_hba   *phba = vport->phba;
1377	struct lpfc_nodelist *ndlp, *next_ndlp;
1378	int i = 0;
1379
1380	if (phba->link_state > LPFC_LINK_DOWN)
1381		lpfc_port_link_failure(vport);
1382
1383	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1384		if (ndlp->nlp_type & NLP_FABRIC)
1385			lpfc_disc_state_machine(vport, ndlp, NULL,
1386					NLP_EVT_DEVICE_RECOVERY);
1387		lpfc_disc_state_machine(vport, ndlp, NULL,
1388					     NLP_EVT_DEVICE_RM);
1389	}
1390
1391	/* At this point, ALL ndlp's should be gone
1392	 * because of the previous NLP_EVT_DEVICE_RM.
1393	 * Lets wait for this to happen, if needed.
1394	 */
1395	while (!list_empty(&vport->fc_nodes)) {
1396
1397		if (i++ > 3000) {
1398			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1399				"0233 Nodelist not empty\n");
1400			break;
1401		}
1402
1403		/* Wait for any activity on ndlps to settle */
1404		msleep(10);
1405	}
1406	return;
1407}
1408
1409static void
1410lpfc_establish_link_tmo(unsigned long ptr)
1411{
1412	struct lpfc_hba   *phba = (struct lpfc_hba *) ptr;
1413	struct lpfc_vport **vports;
1414	unsigned long iflag;
1415	int i;
1416
1417	/* Re-establishing Link, timer expired */
1418	lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1419			"1300 Re-establishing Link, timer expired "
1420			"Data: x%x x%x\n",
1421			phba->pport->fc_flag, phba->pport->port_state);
1422	vports = lpfc_create_vport_work_array(phba);
1423	if (vports != NULL)
1424		for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1425			struct Scsi_Host *shost;
1426			shost = lpfc_shost_from_vport(vports[i]);
1427			spin_lock_irqsave(shost->host_lock, iflag);
1428			vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1429			spin_unlock_irqrestore(shost->host_lock, iflag);
1430		}
1431	lpfc_destroy_vport_work_array(vports);
1432}
1433
1434void
1435lpfc_stop_vport_timers(struct lpfc_vport *vport)
1436{
1437	del_timer_sync(&vport->els_tmofunc);
1438	del_timer_sync(&vport->fc_fdmitmo);
1439	lpfc_can_disctmo(vport);
1440	return;
1441}
1442
1443static void
1444lpfc_stop_phba_timers(struct lpfc_hba *phba)
1445{
1446	del_timer_sync(&phba->fcp_poll_timer);
1447	del_timer_sync(&phba->fc_estabtmo);
1448	lpfc_stop_vport_timers(phba->pport);
1449	del_timer_sync(&phba->sli.mbox_tmo);
1450	del_timer_sync(&phba->fabric_block_timer);
1451	phba->hb_outstanding = 0;
1452	del_timer_sync(&phba->hb_tmofunc);
1453	return;
1454}
1455
1456static void
1457lpfc_block_mgmt_io(struct lpfc_hba * phba)
1458{
1459	unsigned long iflag;
1460
1461	spin_lock_irqsave(&phba->hbalock, iflag);
1462	phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1463	spin_unlock_irqrestore(&phba->hbalock, iflag);
1464}
1465
1466int
1467lpfc_online(struct lpfc_hba *phba)
1468{
1469	struct lpfc_vport *vport = phba->pport;
1470	struct lpfc_vport **vports;
1471	int i;
1472
1473	if (!phba)
1474		return 0;
1475
1476	if (!(vport->fc_flag & FC_OFFLINE_MODE))
1477		return 0;
1478
1479	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1480			"0458 Bring Adapter online\n");
1481
1482	lpfc_block_mgmt_io(phba);
1483
1484	if (!lpfc_sli_queue_setup(phba)) {
1485		lpfc_unblock_mgmt_io(phba);
1486		return 1;
1487	}
1488
1489	if (lpfc_sli_hba_setup(phba)) {	/* Initialize the HBA */
1490		lpfc_unblock_mgmt_io(phba);
1491		return 1;
1492	}
1493
1494	vports = lpfc_create_vport_work_array(phba);
1495	if (vports != NULL)
1496		for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1497			struct Scsi_Host *shost;
1498			shost = lpfc_shost_from_vport(vports[i]);
1499			spin_lock_irq(shost->host_lock);
1500			vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1501			if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1502				vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1503			spin_unlock_irq(shost->host_lock);
1504		}
1505		lpfc_destroy_vport_work_array(vports);
1506
1507	lpfc_unblock_mgmt_io(phba);
1508	return 0;
1509}
1510
1511void
1512lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1513{
1514	unsigned long iflag;
1515
1516	spin_lock_irqsave(&phba->hbalock, iflag);
1517	phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1518	spin_unlock_irqrestore(&phba->hbalock, iflag);
1519}
1520
1521void
1522lpfc_offline_prep(struct lpfc_hba * phba)
1523{
1524	struct lpfc_vport *vport = phba->pport;
1525	struct lpfc_nodelist  *ndlp, *next_ndlp;
1526	struct lpfc_vport **vports;
1527	int i;
1528
1529	if (vport->fc_flag & FC_OFFLINE_MODE)
1530		return;
1531
1532	lpfc_block_mgmt_io(phba);
1533
1534	lpfc_linkdown(phba);
1535
1536	/* Issue an unreg_login to all nodes on all vports */
1537	vports = lpfc_create_vport_work_array(phba);
1538	if (vports != NULL) {
1539		for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1540			struct Scsi_Host *shost;
1541
1542			if (vports[i]->load_flag & FC_UNLOADING)
1543				continue;
1544			shost =	lpfc_shost_from_vport(vports[i]);
1545			list_for_each_entry_safe(ndlp, next_ndlp,
1546						 &vports[i]->fc_nodes,
1547						 nlp_listp) {
1548				if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
1549					continue;
1550				if (ndlp->nlp_type & NLP_FABRIC) {
1551					lpfc_disc_state_machine(vports[i], ndlp,
1552						NULL, NLP_EVT_DEVICE_RECOVERY);
1553					lpfc_disc_state_machine(vports[i], ndlp,
1554						NULL, NLP_EVT_DEVICE_RM);
1555				}
1556				spin_lock_irq(shost->host_lock);
1557				ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1558				spin_unlock_irq(shost->host_lock);
1559				lpfc_unreg_rpi(vports[i], ndlp);
1560			}
1561		}
1562	}
1563	lpfc_destroy_vport_work_array(vports);
1564
1565	lpfc_sli_flush_mbox_queue(phba);
1566}
1567
1568void
1569lpfc_offline(struct lpfc_hba *phba)
1570{
1571	struct Scsi_Host  *shost;
1572	struct lpfc_vport **vports;
1573	int i;
1574
1575	if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1576		return;
1577
1578	/* stop all timers associated with this hba */
1579	lpfc_stop_phba_timers(phba);
1580	vports = lpfc_create_vport_work_array(phba);
1581	if (vports != NULL)
1582		for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++)
1583			lpfc_stop_vport_timers(vports[i]);
1584	lpfc_destroy_vport_work_array(vports);
1585	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1586			"0460 Bring Adapter offline\n");
1587	/* Bring down the SLI Layer and cleanup.  The HBA is offline
1588	   now.  */
1589	lpfc_sli_hba_down(phba);
1590	spin_lock_irq(&phba->hbalock);
1591	phba->work_ha = 0;
1592	spin_unlock_irq(&phba->hbalock);
1593	vports = lpfc_create_vport_work_array(phba);
1594	if (vports != NULL)
1595		for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1596			shost = lpfc_shost_from_vport(vports[i]);
1597			spin_lock_irq(shost->host_lock);
1598			vports[i]->work_port_events = 0;
1599			vports[i]->fc_flag |= FC_OFFLINE_MODE;
1600			spin_unlock_irq(shost->host_lock);
1601		}
1602	lpfc_destroy_vport_work_array(vports);
1603}
1604
1605/******************************************************************************
1606* Function name: lpfc_scsi_free
1607*
1608* Description: Called from lpfc_pci_remove_one free internal driver resources
1609*
1610******************************************************************************/
1611static int
1612lpfc_scsi_free(struct lpfc_hba *phba)
1613{
1614	struct lpfc_scsi_buf *sb, *sb_next;
1615	struct lpfc_iocbq *io, *io_next;
1616
1617	spin_lock_irq(&phba->hbalock);
1618	/* Release all the lpfc_scsi_bufs maintained by this host. */
1619	list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1620		list_del(&sb->list);
1621		pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1622			      sb->dma_handle);
1623		kfree(sb);
1624		phba->total_scsi_bufs--;
1625	}
1626
1627	/* Release all the lpfc_iocbq entries maintained by this host. */
1628	list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1629		list_del(&io->list);
1630		kfree(io);
1631		phba->total_iocbq_bufs--;
1632	}
1633
1634	spin_unlock_irq(&phba->hbalock);
1635
1636	return 0;
1637}
1638
1639struct lpfc_vport *
1640lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1641{
1642	struct lpfc_vport *vport;
1643	struct Scsi_Host  *shost;
1644	int error = 0;
1645
1646	if (dev != &phba->pcidev->dev)
1647		shost = scsi_host_alloc(&lpfc_vport_template,
1648					sizeof(struct lpfc_vport));
1649	else
1650		shost = scsi_host_alloc(&lpfc_template,
1651					sizeof(struct lpfc_vport));
1652	if (!shost)
1653		goto out;
1654
1655	vport = (struct lpfc_vport *) shost->hostdata;
1656	vport->phba = phba;
1657
1658	vport->load_flag |= FC_LOADING;
1659	vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1660
1661	lpfc_get_vport_cfgparam(vport);
1662	shost->unique_id = instance;
1663	shost->max_id = LPFC_MAX_TARGET;
1664	shost->max_lun = vport->cfg_max_luns;
1665	shost->this_id = -1;
1666	shost->max_cmd_len = 16;
1667	/*
1668	 * Set initial can_queue value since 0 is no longer supported and
1669	 * scsi_add_host will fail. This will be adjusted later based on the
1670	 * max xri value determined in hba setup.
1671	 */
1672	shost->can_queue = phba->cfg_hba_queue_depth - 10;
1673	if (dev != &phba->pcidev->dev) {
1674		shost->transportt = lpfc_vport_transport_template;
1675		vport->port_type = LPFC_NPIV_PORT;
1676	} else {
1677		shost->transportt = lpfc_transport_template;
1678		vport->port_type = LPFC_PHYSICAL_PORT;
1679	}
1680
1681	/* Initialize all internally managed lists. */
1682	INIT_LIST_HEAD(&vport->fc_nodes);
1683	spin_lock_init(&vport->work_port_lock);
1684
1685	init_timer(&vport->fc_disctmo);
1686	vport->fc_disctmo.function = lpfc_disc_timeout;
1687	vport->fc_disctmo.data = (unsigned long)vport;
1688
1689	init_timer(&vport->fc_fdmitmo);
1690	vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1691	vport->fc_fdmitmo.data = (unsigned long)vport;
1692
1693	init_timer(&vport->els_tmofunc);
1694	vport->els_tmofunc.function = lpfc_els_timeout;
1695	vport->els_tmofunc.data = (unsigned long)vport;
1696
1697	error = scsi_add_host(shost, dev);
1698	if (error)
1699		goto out_put_shost;
1700
1701	spin_lock_irq(&phba->hbalock);
1702	list_add_tail(&vport->listentry, &phba->port_list);
1703	spin_unlock_irq(&phba->hbalock);
1704	return vport;
1705
1706out_put_shost:
1707	scsi_host_put(shost);
1708out:
1709	return NULL;
1710}
1711
1712void
1713destroy_port(struct lpfc_vport *vport)
1714{
1715	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1716	struct lpfc_hba  *phba = vport->phba;
1717
1718	kfree(vport->vname);
1719
1720	lpfc_debugfs_terminate(vport);
1721	fc_remove_host(shost);
1722	scsi_remove_host(shost);
1723
1724	spin_lock_irq(&phba->hbalock);
1725	list_del_init(&vport->listentry);
1726	spin_unlock_irq(&phba->hbalock);
1727
1728	lpfc_cleanup(vport);
1729	return;
1730}
1731
1732int
1733lpfc_get_instance(void)
1734{
1735	int instance = 0;
1736
1737	/* Assign an unused number */
1738	if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1739		return -1;
1740	if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1741		return -1;
1742	return instance;
1743}
1744
1745/*
1746 * Note: there is no scan_start function as adapter initialization
1747 * will have asynchronously kicked off the link initialization.
1748 */
1749
1750int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1751{
1752	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1753	struct lpfc_hba   *phba = vport->phba;
1754	int stat = 0;
1755
1756	spin_lock_irq(shost->host_lock);
1757
1758	if (vport->load_flag & FC_UNLOADING) {
1759		stat = 1;
1760		goto finished;
1761	}
1762	if (time >= 30 * HZ) {
1763		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1764				"0461 Scanning longer than 30 "
1765				"seconds.  Continuing initialization\n");
1766		stat = 1;
1767		goto finished;
1768	}
1769	if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1770		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1771				"0465 Link down longer than 15 "
1772				"seconds.  Continuing initialization\n");
1773		stat = 1;
1774		goto finished;
1775	}
1776
1777	if (vport->port_state != LPFC_VPORT_READY)
1778		goto finished;
1779	if (vport->num_disc_nodes || vport->fc_prli_sent)
1780		goto finished;
1781	if (vport->fc_map_cnt == 0 && time < 2 * HZ)
1782		goto finished;
1783	if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
1784		goto finished;
1785
1786	stat = 1;
1787
1788finished:
1789	spin_unlock_irq(shost->host_lock);
1790	return stat;
1791}
1792
1793void lpfc_host_attrib_init(struct Scsi_Host *shost)
1794{
1795	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1796	struct lpfc_hba   *phba = vport->phba;
1797	/*
1798	 * Set fixed host attributes.  Must done after lpfc_sli_hba_setup().
1799	 */
1800
1801	fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1802	fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
1803	fc_host_supported_classes(shost) = FC_COS_CLASS3;
1804
1805	memset(fc_host_supported_fc4s(shost), 0,
1806	       sizeof(fc_host_supported_fc4s(shost)));
1807	fc_host_supported_fc4s(shost)[2] = 1;
1808	fc_host_supported_fc4s(shost)[7] = 1;
1809
1810	lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1811				 sizeof fc_host_symbolic_name(shost));
1812
1813	fc_host_supported_speeds(shost) = 0;
1814	if (phba->lmt & LMT_10Gb)
1815		fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1816	if (phba->lmt & LMT_8Gb)
1817		fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
1818	if (phba->lmt & LMT_4Gb)
1819		fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1820	if (phba->lmt & LMT_2Gb)
1821		fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1822	if (phba->lmt & LMT_1Gb)
1823		fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1824
1825	fc_host_maxframe_size(shost) =
1826		(((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1827		(uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1828
1829	/* This value is also unchanging */
1830	memset(fc_host_active_fc4s(shost), 0,
1831	       sizeof(fc_host_active_fc4s(shost)));
1832	fc_host_active_fc4s(shost)[2] = 1;
1833	fc_host_active_fc4s(shost)[7] = 1;
1834
1835	fc_host_max_npiv_vports(shost) = phba->max_vpi;
1836	spin_lock_irq(shost->host_lock);
1837	vport->load_flag &= ~FC_LOADING;
1838	spin_unlock_irq(shost->host_lock);
1839}
1840
1841static int __devinit
1842lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1843{
1844	struct lpfc_vport *vport = NULL;
1845	struct lpfc_hba   *phba;
1846	struct lpfc_sli   *psli;
1847	struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1848	struct Scsi_Host  *shost = NULL;
1849	void *ptr;
1850	unsigned long bar0map_len, bar2map_len;
1851	int error = -ENODEV, retval;
1852	int  i, hbq_count;
1853	uint16_t iotag;
1854
1855	if (pci_enable_device(pdev))
1856		goto out;
1857	if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1858		goto out_disable_device;
1859
1860	phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1861	if (!phba)
1862		goto out_release_regions;
1863
1864	spin_lock_init(&phba->hbalock);
1865
1866	phba->pcidev = pdev;
1867
1868	/* Assign an unused board number */
1869	if ((phba->brd_no = lpfc_get_instance()) < 0)
1870		goto out_free_phba;
1871
1872	INIT_LIST_HEAD(&phba->port_list);
1873	/*
1874	 * Get all the module params for configuring this host and then
1875	 * establish the host.
1876	 */
1877	lpfc_get_cfgparam(phba);
1878	phba->max_vpi = LPFC_MAX_VPI;
1879
1880	/* Initialize timers used by driver */
1881	init_timer(&phba->fc_estabtmo);
1882	phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1883	phba->fc_estabtmo.data = (unsigned long)phba;
1884
1885	init_timer(&phba->hb_tmofunc);
1886	phba->hb_tmofunc.function = lpfc_hb_timeout;
1887	phba->hb_tmofunc.data = (unsigned long)phba;
1888
1889	psli = &phba->sli;
1890	init_timer(&psli->mbox_tmo);
1891	psli->mbox_tmo.function = lpfc_mbox_timeout;
1892	psli->mbox_tmo.data = (unsigned long) phba;
1893	init_timer(&phba->fcp_poll_timer);
1894	phba->fcp_poll_timer.function = lpfc_poll_timeout;
1895	phba->fcp_poll_timer.data = (unsigned long) phba;
1896	init_timer(&phba->fabric_block_timer);
1897	phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1898	phba->fabric_block_timer.data = (unsigned long) phba;
1899
1900	pci_set_master(pdev);
1901	pci_try_set_mwi(pdev);
1902
1903	if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1904		if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1905			goto out_idr_remove;
1906
1907	/*
1908	 * Get the bus address of Bar0 and Bar2 and the number of bytes
1909	 * required by each mapping.
1910	 */
1911	phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1912	bar0map_len        = pci_resource_len(phba->pcidev, 0);
1913
1914	phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1915	bar2map_len        = pci_resource_len(phba->pcidev, 2);
1916
1917	/* Map HBA SLIM to a kernel virtual address. */
1918	phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1919	if (!phba->slim_memmap_p) {
1920		error = -ENODEV;
1921		dev_printk(KERN_ERR, &pdev->dev,
1922			   "ioremap failed for SLIM memory.\n");
1923		goto out_idr_remove;
1924	}
1925
1926	/* Map HBA Control Registers to a kernel virtual address. */
1927	phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1928	if (!phba->ctrl_regs_memmap_p) {
1929		error = -ENODEV;
1930		dev_printk(KERN_ERR, &pdev->dev,
1931			   "ioremap failed for HBA control registers.\n");
1932		goto out_iounmap_slim;
1933	}
1934
1935	/* Allocate memory for SLI-2 structures */
1936	phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1937					  &phba->slim2p_mapping, GFP_KERNEL);
1938	if (!phba->slim2p)
1939		goto out_iounmap;
1940
1941	memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1942
1943	phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
1944						 lpfc_sli_hbq_size(),
1945						 &phba->hbqslimp.phys,
1946						 GFP_KERNEL);
1947	if (!phba->hbqslimp.virt)
1948		goto out_free_slim;
1949
1950	hbq_count = lpfc_sli_hbq_count();
1951	ptr = phba->hbqslimp.virt;
1952	for (i = 0; i < hbq_count; ++i) {
1953		phba->hbqs[i].hbq_virt = ptr;
1954		INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
1955		ptr += (lpfc_hbq_defs[i]->entry_count *
1956			sizeof(struct lpfc_hbq_entry));
1957	}
1958	phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
1959	phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer  = lpfc_els_hbq_free;
1960
1961	memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
1962
1963	/* Initialize the SLI Layer to run with lpfc HBAs. */
1964	lpfc_sli_setup(phba);
1965	lpfc_sli_queue_setup(phba);
1966
1967	retval = lpfc_mem_alloc(phba);
1968	if (retval) {
1969		error = retval;
1970		goto out_free_hbqslimp;
1971	}
1972
1973	/* Initialize and populate the iocb list per host.  */
1974	INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1975	for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1976		iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1977		if (iocbq_entry == NULL) {
1978			printk(KERN_ERR "%s: only allocated %d iocbs of "
1979				"expected %d count. Unloading driver.\n",
1980				__FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1981			error = -ENOMEM;
1982			goto out_free_iocbq;
1983		}
1984
1985		iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1986		if (iotag == 0) {
1987			kfree (iocbq_entry);
1988			printk(KERN_ERR "%s: failed to allocate IOTAG. "
1989			       "Unloading driver.\n",
1990				__FUNCTION__);
1991			error = -ENOMEM;
1992			goto out_free_iocbq;
1993		}
1994
1995		spin_lock_irq(&phba->hbalock);
1996		list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1997		phba->total_iocbq_bufs++;
1998		spin_unlock_irq(&phba->hbalock);
1999	}
2000
2001	/* Initialize HBA structure */
2002	phba->fc_edtov = FF_DEF_EDTOV;
2003	phba->fc_ratov = FF_DEF_RATOV;
2004	phba->fc_altov = FF_DEF_ALTOV;
2005	phba->fc_arbtov = FF_DEF_ARBTOV;
2006
2007	INIT_LIST_HEAD(&phba->work_list);
2008	phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
2009	phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
2010
2011	/* Startup the kernel thread for this host adapter. */
2012	phba->worker_thread = kthread_run(lpfc_do_work, phba,
2013				       "lpfc_worker_%d", phba->brd_no);
2014	if (IS_ERR(phba->worker_thread)) {
2015		error = PTR_ERR(phba->worker_thread);
2016		goto out_free_iocbq;
2017	}
2018
2019	/* Initialize the list of scsi buffers used by driver for scsi IO. */
2020	spin_lock_init(&phba->scsi_buf_list_lock);
2021	INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
2022
2023	/* Initialize list of fabric iocbs */
2024	INIT_LIST_HEAD(&phba->fabric_iocb_list);
2025
2026	/* Initialize list to save ELS buffers */
2027	INIT_LIST_HEAD(&phba->elsbuf);
2028
2029	vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2030	if (!vport)
2031		goto out_kthread_stop;
2032
2033	shost = lpfc_shost_from_vport(vport);
2034	phba->pport = vport;
2035	lpfc_debugfs_initialize(vport);
2036
2037	pci_set_drvdata(pdev, shost);
2038
2039	if (phba->cfg_use_msi) {
2040		retval = pci_enable_msi(phba->pcidev);
2041		if (!retval)
2042			phba->using_msi = 1;
2043		else
2044			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2045					"0452 Enable MSI failed, continuing "
2046					"with IRQ\n");
2047	}
2048
2049	retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
2050			    LPFC_DRIVER_NAME, phba);
2051	if (retval) {
2052		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2053			"0451 Enable interrupt handler failed\n");
2054		error = retval;
2055		goto out_disable_msi;
2056	}
2057
2058	phba->MBslimaddr = phba->slim_memmap_p;
2059	phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
2060	phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
2061	phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
2062	phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
2063
2064	if (lpfc_alloc_sysfs_attr(vport)) {
2065		error = -ENOMEM;
2066		goto out_free_irq;
2067	}
2068
2069	if (lpfc_sli_hba_setup(phba)) {
2070		error = -ENODEV;
2071		goto out_remove_device;
2072	}
2073
2074	/*
2075	 * hba setup may have changed the hba_queue_depth so we need to adjust
2076	 * the value of can_queue.
2077	 */
2078	shost->can_queue = phba->cfg_hba_queue_depth - 10;
2079
2080	lpfc_host_attrib_init(shost);
2081
2082	if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
2083		spin_lock_irq(shost->host_lock);
2084		lpfc_poll_start_timer(phba);
2085		spin_unlock_irq(shost->host_lock);
2086	}
2087
2088	scsi_scan_host(shost);
2089
2090	return 0;
2091
2092out_remove_device:
2093	lpfc_free_sysfs_attr(vport);
2094	spin_lock_irq(shost->host_lock);
2095	vport->load_flag |= FC_UNLOADING;
2096	spin_unlock_irq(shost->host_lock);
2097out_free_irq:
2098	lpfc_stop_phba_timers(phba);
2099	phba->pport->work_port_events = 0;
2100	free_irq(phba->pcidev->irq, phba);
2101out_disable_msi:
2102	if (phba->using_msi)
2103		pci_disable_msi(phba->pcidev);
2104	destroy_port(vport);
2105out_kthread_stop:
2106	kthread_stop(phba->worker_thread);
2107out_free_iocbq:
2108	list_for_each_entry_safe(iocbq_entry, iocbq_next,
2109						&phba->lpfc_iocb_list, list) {
2110		kfree(iocbq_entry);
2111		phba->total_iocbq_bufs--;
2112	}
2113	lpfc_mem_free(phba);
2114out_free_hbqslimp:
2115	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2116			  phba->hbqslimp.phys);
2117out_free_slim:
2118	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
2119							phba->slim2p_mapping);
2120out_iounmap:
2121	iounmap(phba->ctrl_regs_memmap_p);
2122out_iounmap_slim:
2123	iounmap(phba->slim_memmap_p);
2124out_idr_remove:
2125	idr_remove(&lpfc_hba_index, phba->brd_no);
2126out_free_phba:
2127	kfree(phba);
2128out_release_regions:
2129	pci_release_regions(pdev);
2130out_disable_device:
2131	pci_disable_device(pdev);
2132out:
2133	pci_set_drvdata(pdev, NULL);
2134	if (shost)
2135		scsi_host_put(shost);
2136	return error;
2137}
2138
2139static void __devexit
2140lpfc_pci_remove_one(struct pci_dev *pdev)
2141{
2142	struct Scsi_Host  *shost = pci_get_drvdata(pdev);
2143	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2144	struct lpfc_hba   *phba = vport->phba;
2145	spin_lock_irq(&phba->hbalock);
2146	vport->load_flag |= FC_UNLOADING;
2147	spin_unlock_irq(&phba->hbalock);
2148
2149	kfree(vport->vname);
2150	lpfc_free_sysfs_attr(vport);
2151
2152	fc_remove_host(shost);
2153	scsi_remove_host(shost);
2154	lpfc_cleanup(vport);
2155
2156	/*
2157	 * Bring down the SLI Layer. This step disable all interrupts,
2158	 * clears the rings, discards all mailbox commands, and resets
2159	 * the HBA.
2160	 */
2161	lpfc_sli_hba_down(phba);
2162	lpfc_sli_brdrestart(phba);
2163
2164	lpfc_stop_phba_timers(phba);
2165	spin_lock_irq(&phba->hbalock);
2166	list_del_init(&vport->listentry);
2167	spin_unlock_irq(&phba->hbalock);
2168
2169	lpfc_debugfs_terminate(vport);
2170
2171	kthread_stop(phba->worker_thread);
2172
2173	/* Release the irq reservation */
2174	free_irq(phba->pcidev->irq, phba);
2175	if (phba->using_msi)
2176		pci_disable_msi(phba->pcidev);
2177
2178	pci_set_drvdata(pdev, NULL);
2179	scsi_host_put(shost);
2180
2181	/*
2182	 * Call scsi_free before mem_free since scsi bufs are released to their
2183	 * corresponding pools here.
2184	 */
2185	lpfc_scsi_free(phba);
2186	lpfc_mem_free(phba);
2187
2188	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2189			  phba->hbqslimp.phys);
2190
2191	/* Free resources associated with SLI2 interface */
2192	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2193			  phba->slim2p, phba->slim2p_mapping);
2194
2195	/* unmap adapter SLIM and Control Registers */
2196	iounmap(phba->ctrl_regs_memmap_p);
2197	iounmap(phba->slim_memmap_p);
2198
2199	idr_remove(&lpfc_hba_index, phba->brd_no);
2200
2201	kfree(phba);
2202
2203	pci_release_regions(pdev);
2204	pci_disable_device(pdev);
2205}
2206
2207/**
2208 * lpfc_io_error_detected - called when PCI error is detected
2209 * @pdev: Pointer to PCI device
2210 * @state: The current pci conneection state
2211 *
2212 * This function is called after a PCI bus error affecting
2213 * this device has been detected.
2214 */
2215static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2216				pci_channel_state_t state)
2217{
2218	struct Scsi_Host *shost = pci_get_drvdata(pdev);
2219	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2220	struct lpfc_sli *psli = &phba->sli;
2221	struct lpfc_sli_ring  *pring;
2222
2223	if (state == pci_channel_io_perm_failure)
2224		return PCI_ERS_RESULT_DISCONNECT;
2225
2226	pci_disable_device(pdev);
2227	/*
2228	 * There may be I/Os dropped by the firmware.
2229	 * Error iocb (I/O) on txcmplq and let the SCSI layer
2230	 * retry it after re-establishing link.
2231	 */
2232	pring = &psli->ring[psli->fcp_ring];
2233	lpfc_sli_abort_iocb_ring(phba, pring);
2234
2235	/* Release the irq reservation */
2236	free_irq(phba->pcidev->irq, phba);
2237	if (phba->using_msi)
2238		pci_disable_msi(phba->pcidev);
2239
2240	/* Request a slot reset. */
2241	return PCI_ERS_RESULT_NEED_RESET;
2242}
2243
2244/**
2245 * lpfc_io_slot_reset - called after the pci bus has been reset.
2246 * @pdev: Pointer to PCI device
2247 *
2248 * Restart the card from scratch, as if from a cold-boot.
2249 */
2250static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2251{
2252	struct Scsi_Host *shost = pci_get_drvdata(pdev);
2253	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2254	struct lpfc_sli *psli = &phba->sli;
2255	int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2256
2257	dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2258	if (pci_enable_device_bars(pdev, bars)) {
2259		printk(KERN_ERR "lpfc: Cannot re-enable "
2260			"PCI device after reset.\n");
2261		return PCI_ERS_RESULT_DISCONNECT;
2262	}
2263
2264	pci_set_master(pdev);
2265
2266	/* Re-establishing Link */
2267	spin_lock_irq(shost->host_lock);
2268	phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2269	spin_unlock_irq(shost->host_lock);
2270
2271	spin_lock_irq(&phba->hbalock);
2272	psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2273	spin_unlock_irq(&phba->hbalock);
2274
2275
2276	/* Take device offline; this will perform cleanup */
2277	lpfc_offline(phba);
2278	lpfc_sli_brdrestart(phba);
2279
2280	return PCI_ERS_RESULT_RECOVERED;
2281}
2282
2283/**
2284 * lpfc_io_resume - called when traffic can start flowing again.
2285 * @pdev: Pointer to PCI device
2286 *
2287 * This callback is called when the error recovery driver tells us that
2288 * its OK to resume normal operation.
2289 */
2290static void lpfc_io_resume(struct pci_dev *pdev)
2291{
2292	struct Scsi_Host *shost = pci_get_drvdata(pdev);
2293	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2294
2295	if (lpfc_online(phba) == 0) {
2296		mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2297	}
2298}
2299
2300static struct pci_device_id lpfc_id_table[] = {
2301	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2302		PCI_ANY_ID, PCI_ANY_ID, },
2303	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2304		PCI_ANY_ID, PCI_ANY_ID, },
2305	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2306		PCI_ANY_ID, PCI_ANY_ID, },
2307	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2308		PCI_ANY_ID, PCI_ANY_ID, },
2309	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2310		PCI_ANY_ID, PCI_ANY_ID, },
2311	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2312		PCI_ANY_ID, PCI_ANY_ID, },
2313	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2314		PCI_ANY_ID, PCI_ANY_ID, },
2315	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2316		PCI_ANY_ID, PCI_ANY_ID, },
2317	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2318		PCI_ANY_ID, PCI_ANY_ID, },
2319	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2320		PCI_ANY_ID, PCI_ANY_ID, },
2321	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2322		PCI_ANY_ID, PCI_ANY_ID, },
2323	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2324		PCI_ANY_ID, PCI_ANY_ID, },
2325	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2326		PCI_ANY_ID, PCI_ANY_ID, },
2327	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2328		PCI_ANY_ID, PCI_ANY_ID, },
2329	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2330		PCI_ANY_ID, PCI_ANY_ID, },
2331	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2332		PCI_ANY_ID, PCI_ANY_ID, },
2333	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2334		PCI_ANY_ID, PCI_ANY_ID, },
2335	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2336		PCI_ANY_ID, PCI_ANY_ID, },
2337	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2338		PCI_ANY_ID, PCI_ANY_ID, },
2339	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2340		PCI_ANY_ID, PCI_ANY_ID, },
2341	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2342		PCI_ANY_ID, PCI_ANY_ID, },
2343	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2344		PCI_ANY_ID, PCI_ANY_ID, },
2345	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2346		PCI_ANY_ID, PCI_ANY_ID, },
2347	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2348		PCI_ANY_ID, PCI_ANY_ID, },
2349	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2350		PCI_ANY_ID, PCI_ANY_ID, },
2351	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2352		PCI_ANY_ID, PCI_ANY_ID, },
2353	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2354		PCI_ANY_ID, PCI_ANY_ID, },
2355	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2356		PCI_ANY_ID, PCI_ANY_ID, },
2357	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2358		PCI_ANY_ID, PCI_ANY_ID, },
2359	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2360		PCI_ANY_ID, PCI_ANY_ID, },
2361	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2362		PCI_ANY_ID, PCI_ANY_ID, },
2363	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2364		PCI_ANY_ID, PCI_ANY_ID, },
2365	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2366		PCI_ANY_ID, PCI_ANY_ID, },
2367	{ 0 }
2368};
2369
2370MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2371
2372static struct pci_error_handlers lpfc_err_handler = {
2373	.error_detected = lpfc_io_error_detected,
2374	.slot_reset = lpfc_io_slot_reset,
2375	.resume = lpfc_io_resume,
2376};
2377
2378static struct pci_driver lpfc_driver = {
2379	.name		= LPFC_DRIVER_NAME,
2380	.id_table	= lpfc_id_table,
2381	.probe		= lpfc_pci_probe_one,
2382	.remove		= __devexit_p(lpfc_pci_remove_one),
2383	.err_handler    = &lpfc_err_handler,
2384};
2385
2386static int __init
2387lpfc_init(void)
2388{
2389	int error = 0;
2390
2391	printk(LPFC_MODULE_DESC "\n");
2392	printk(LPFC_COPYRIGHT "\n");
2393
2394	if (lpfc_enable_npiv) {
2395		lpfc_transport_functions.vport_create = lpfc_vport_create;
2396		lpfc_transport_functions.vport_delete = lpfc_vport_delete;
2397	}
2398	lpfc_transport_template =
2399				fc_attach_transport(&lpfc_transport_functions);
2400	if (lpfc_transport_template == NULL)
2401		return -ENOMEM;
2402	if (lpfc_enable_npiv) {
2403		lpfc_vport_transport_template =
2404			fc_attach_transport(&lpfc_vport_transport_functions);
2405		if (lpfc_vport_transport_template == NULL) {
2406			fc_release_transport(lpfc_transport_template);
2407			return -ENOMEM;
2408		}
2409	}
2410	error = pci_register_driver(&lpfc_driver);
2411	if (error) {
2412		fc_release_transport(lpfc_transport_template);
2413		fc_release_transport(lpfc_vport_transport_template);
2414	}
2415
2416	return error;
2417}
2418
2419static void __exit
2420lpfc_exit(void)
2421{
2422	pci_unregister_driver(&lpfc_driver);
2423	fc_release_transport(lpfc_transport_template);
2424	if (lpfc_enable_npiv)
2425		fc_release_transport(lpfc_vport_transport_template);
2426}
2427
2428module_init(lpfc_init);
2429module_exit(lpfc_exit);
2430MODULE_LICENSE("GPL");
2431MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2432MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2433MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
2434