xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_init.c (revision a6ababd2)
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 
47 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
48 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
49 static int lpfc_post_rcv_buf(struct lpfc_hba *);
50 
51 static struct scsi_transport_template *lpfc_transport_template = NULL;
52 static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
53 static 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 /************************************************************************/
66 int
67 lpfc_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);
208 out_free_context2:
209 	kfree(pmb->context2);
210 out_free_mbox:
211 	mempool_free(pmb, phba->mbox_mem_pool);
212 	return 0;
213 }
214 
215 /* Completion handler for config async event mailbox command. */
216 static void
217 lpfc_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 /************************************************************************/
237 int
238 lpfc_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 /************************************************************************/
461 int
462 lpfc_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 /************************************************************************/
481 int
482 lpfc_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 */
511 static void
512 lpfc_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 
528 static void
529 lpfc_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 
546 void
547 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
548 {
549 	LPFC_MBOXQ_t *pmboxq;
550 	int retval;
551 	struct lpfc_sli *psli = &phba->sli;
552 
553 	if ((phba->link_state == LPFC_HBA_ERROR) ||
554 		(phba->pport->load_flag & FC_UNLOADING) ||
555 		(phba->pport->fc_flag & FC_OFFLINE_MODE))
556 		return;
557 
558 	spin_lock_irq(&phba->pport->work_port_lock);
559 	/* If the timer is already canceled do nothing */
560 	if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
561 		spin_unlock_irq(&phba->pport->work_port_lock);
562 		return;
563 	}
564 
565 	if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
566 		jiffies)) {
567 		spin_unlock_irq(&phba->pport->work_port_lock);
568 		if (!phba->hb_outstanding)
569 			mod_timer(&phba->hb_tmofunc,
570 				jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
571 		else
572 			mod_timer(&phba->hb_tmofunc,
573 				jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
574 		return;
575 	}
576 	spin_unlock_irq(&phba->pport->work_port_lock);
577 
578 	/* If there is no heart beat outstanding, issue a heartbeat command */
579 	if (!phba->hb_outstanding) {
580 		pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
581 		if (!pmboxq) {
582 			mod_timer(&phba->hb_tmofunc,
583 				jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
584 			return;
585 		}
586 
587 		lpfc_heart_beat(phba, pmboxq);
588 		pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
589 		pmboxq->vport = phba->pport;
590 		retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
591 
592 		if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
593 			mempool_free(pmboxq, phba->mbox_mem_pool);
594 			mod_timer(&phba->hb_tmofunc,
595 				jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
596 			return;
597 		}
598 		mod_timer(&phba->hb_tmofunc,
599 			jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
600 		phba->hb_outstanding = 1;
601 		return;
602 	} else {
603 		/*
604 		 * If heart beat timeout called with hb_outstanding set we
605 		 * need to take the HBA offline.
606 		 */
607 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
608 				"0459 Adapter heartbeat failure, taking "
609 				"this port offline.\n");
610 
611 		spin_lock_irq(&phba->hbalock);
612 		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
613 		spin_unlock_irq(&phba->hbalock);
614 
615 		lpfc_offline_prep(phba);
616 		lpfc_offline(phba);
617 		lpfc_unblock_mgmt_io(phba);
618 		phba->link_state = LPFC_HBA_ERROR;
619 		lpfc_hba_down_post(phba);
620 	}
621 }
622 
623 /************************************************************************/
624 /*                                                                      */
625 /*    lpfc_handle_eratt                                                 */
626 /*    This routine will handle processing a Host Attention              */
627 /*    Error Status event. This will be initialized                      */
628 /*    as a SLI layer callback routine.                                  */
629 /*                                                                      */
630 /************************************************************************/
631 void
632 lpfc_handle_eratt(struct lpfc_hba *phba)
633 {
634 	struct lpfc_vport *vport = phba->pport;
635 	struct lpfc_sli   *psli = &phba->sli;
636 	struct lpfc_sli_ring  *pring;
637 	struct lpfc_vport **vports;
638 	uint32_t event_data;
639 	unsigned long temperature;
640 	struct temp_event temp_event_data;
641 	struct Scsi_Host  *shost;
642 	int i;
643 
644 	/* If the pci channel is offline, ignore possible errors,
645 	 * since we cannot communicate with the pci card anyway. */
646 	if (pci_channel_offline(phba->pcidev))
647 		return;
648 
649 	if (phba->work_hs & HS_FFER6 ||
650 	    phba->work_hs & HS_FFER5) {
651 		/* Re-establishing Link */
652 		lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
653 				"1301 Re-establishing Link "
654 				"Data: x%x x%x x%x\n",
655 				phba->work_hs,
656 				phba->work_status[0], phba->work_status[1]);
657 		vports = lpfc_create_vport_work_array(phba);
658 		if (vports != NULL)
659 			for(i = 0;
660 			    i < LPFC_MAX_VPORTS && vports[i] != NULL;
661 			    i++){
662 				shost = lpfc_shost_from_vport(vports[i]);
663 				spin_lock_irq(shost->host_lock);
664 				vports[i]->fc_flag |= FC_ESTABLISH_LINK;
665 				spin_unlock_irq(shost->host_lock);
666 			}
667 		lpfc_destroy_vport_work_array(vports);
668 		spin_lock_irq(&phba->hbalock);
669 		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
670 		spin_unlock_irq(&phba->hbalock);
671 
672 		/*
673 		* Firmware stops when it triggled erratt with HS_FFER6.
674 		* That could cause the I/Os dropped by the firmware.
675 		* Error iocb (I/O) on txcmplq and let the SCSI layer
676 		* retry it after re-establishing link.
677 		*/
678 		pring = &psli->ring[psli->fcp_ring];
679 		lpfc_sli_abort_iocb_ring(phba, pring);
680 
681 
682 		/*
683 		 * There was a firmware error.  Take the hba offline and then
684 		 * attempt to restart it.
685 		 */
686 		lpfc_offline_prep(phba);
687 		lpfc_offline(phba);
688 		lpfc_sli_brdrestart(phba);
689 		if (lpfc_online(phba) == 0) {	/* Initialize the HBA */
690 			mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
691 			lpfc_unblock_mgmt_io(phba);
692 			return;
693 		}
694 		lpfc_unblock_mgmt_io(phba);
695 	} else if (phba->work_hs & HS_CRIT_TEMP) {
696 		temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
697 		temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
698 		temp_event_data.event_code = LPFC_CRIT_TEMP;
699 		temp_event_data.data = (uint32_t)temperature;
700 
701 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
702 				"0459 Adapter maximum temperature exceeded "
703 				"(%ld), taking this port offline "
704 				"Data: x%x x%x x%x\n",
705 				temperature, phba->work_hs,
706 				phba->work_status[0], phba->work_status[1]);
707 
708 		shost = lpfc_shost_from_vport(phba->pport);
709 		fc_host_post_vendor_event(shost, fc_get_event_number(),
710 					  sizeof(temp_event_data),
711 					  (char *) &temp_event_data,
712 					  SCSI_NL_VID_TYPE_PCI
713 					  | PCI_VENDOR_ID_EMULEX);
714 
715 		spin_lock_irq(&phba->hbalock);
716 		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
717 		phba->over_temp_state = HBA_OVER_TEMP;
718 		spin_unlock_irq(&phba->hbalock);
719 		lpfc_offline_prep(phba);
720 		lpfc_offline(phba);
721 		lpfc_unblock_mgmt_io(phba);
722 		phba->link_state = LPFC_HBA_ERROR;
723 		lpfc_hba_down_post(phba);
724 
725 	} else {
726 		/* The if clause above forces this code path when the status
727 		 * failure is a value other than FFER6.  Do not call the offline
728 		 *  twice. This is the adapter hardware error path.
729 		 */
730 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
731 				"0457 Adapter Hardware Error "
732 				"Data: x%x x%x x%x\n",
733 				phba->work_hs,
734 				phba->work_status[0], phba->work_status[1]);
735 
736 		event_data = FC_REG_DUMP_EVENT;
737 		shost = lpfc_shost_from_vport(vport);
738 		fc_host_post_vendor_event(shost, fc_get_event_number(),
739 				sizeof(event_data), (char *) &event_data,
740 				SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
741 
742 		spin_lock_irq(&phba->hbalock);
743 		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
744 		spin_unlock_irq(&phba->hbalock);
745 		lpfc_offline_prep(phba);
746 		lpfc_offline(phba);
747 		lpfc_unblock_mgmt_io(phba);
748 		phba->link_state = LPFC_HBA_ERROR;
749 		lpfc_hba_down_post(phba);
750 	}
751 }
752 
753 /************************************************************************/
754 /*                                                                      */
755 /*    lpfc_handle_latt                                                  */
756 /*    This routine will handle processing a Host Attention              */
757 /*    Link Status event. This will be initialized                       */
758 /*    as a SLI layer callback routine.                                  */
759 /*                                                                      */
760 /************************************************************************/
761 void
762 lpfc_handle_latt(struct lpfc_hba *phba)
763 {
764 	struct lpfc_vport *vport = phba->pport;
765 	struct lpfc_sli   *psli = &phba->sli;
766 	LPFC_MBOXQ_t *pmb;
767 	volatile uint32_t control;
768 	struct lpfc_dmabuf *mp;
769 	int rc = -ENOMEM;
770 
771 	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
772 	if (!pmb)
773 		goto lpfc_handle_latt_err_exit;
774 
775 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
776 	if (!mp)
777 		goto lpfc_handle_latt_free_pmb;
778 
779 	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
780 	if (!mp->virt)
781 		goto lpfc_handle_latt_free_mp;
782 
783 	rc = -EIO;
784 
785 	/* Cleanup any outstanding ELS commands */
786 	lpfc_els_flush_all_cmd(phba);
787 
788 	psli->slistat.link_event++;
789 	lpfc_read_la(phba, pmb, mp);
790 	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
791 	pmb->vport = vport;
792 	rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
793 	if (rc == MBX_NOT_FINISHED)
794 		goto lpfc_handle_latt_free_mbuf;
795 
796 	/* Clear Link Attention in HA REG */
797 	spin_lock_irq(&phba->hbalock);
798 	writel(HA_LATT, phba->HAregaddr);
799 	readl(phba->HAregaddr); /* flush */
800 	spin_unlock_irq(&phba->hbalock);
801 
802 	return;
803 
804 lpfc_handle_latt_free_mbuf:
805 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
806 lpfc_handle_latt_free_mp:
807 	kfree(mp);
808 lpfc_handle_latt_free_pmb:
809 	mempool_free(pmb, phba->mbox_mem_pool);
810 lpfc_handle_latt_err_exit:
811 	/* Enable Link attention interrupts */
812 	spin_lock_irq(&phba->hbalock);
813 	psli->sli_flag |= LPFC_PROCESS_LA;
814 	control = readl(phba->HCregaddr);
815 	control |= HC_LAINT_ENA;
816 	writel(control, phba->HCregaddr);
817 	readl(phba->HCregaddr); /* flush */
818 
819 	/* Clear Link Attention in HA REG */
820 	writel(HA_LATT, phba->HAregaddr);
821 	readl(phba->HAregaddr); /* flush */
822 	spin_unlock_irq(&phba->hbalock);
823 	lpfc_linkdown(phba);
824 	phba->link_state = LPFC_HBA_ERROR;
825 
826 	/* The other case is an error from issue_mbox */
827 	if (rc == -ENOMEM)
828 		lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
829 			        "0300 READ_LA: no buffers\n");
830 
831 	return;
832 }
833 
834 /************************************************************************/
835 /*                                                                      */
836 /*   lpfc_parse_vpd                                                     */
837 /*   This routine will parse the VPD data                               */
838 /*                                                                      */
839 /************************************************************************/
840 static int
841 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
842 {
843 	uint8_t lenlo, lenhi;
844 	int Length;
845 	int i, j;
846 	int finished = 0;
847 	int index = 0;
848 
849 	if (!vpd)
850 		return 0;
851 
852 	/* Vital Product */
853 	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
854 			"0455 Vital Product Data: x%x x%x x%x x%x\n",
855 			(uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
856 			(uint32_t) vpd[3]);
857 	while (!finished && (index < (len - 4))) {
858 		switch (vpd[index]) {
859 		case 0x82:
860 		case 0x91:
861 			index += 1;
862 			lenlo = vpd[index];
863 			index += 1;
864 			lenhi = vpd[index];
865 			index += 1;
866 			i = ((((unsigned short)lenhi) << 8) + lenlo);
867 			index += i;
868 			break;
869 		case 0x90:
870 			index += 1;
871 			lenlo = vpd[index];
872 			index += 1;
873 			lenhi = vpd[index];
874 			index += 1;
875 			Length = ((((unsigned short)lenhi) << 8) + lenlo);
876 			if (Length > len - index)
877 				Length = len - index;
878 			while (Length > 0) {
879 			/* Look for Serial Number */
880 			if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
881 				index += 2;
882 				i = vpd[index];
883 				index += 1;
884 				j = 0;
885 				Length -= (3+i);
886 				while(i--) {
887 					phba->SerialNumber[j++] = vpd[index++];
888 					if (j == 31)
889 						break;
890 				}
891 				phba->SerialNumber[j] = 0;
892 				continue;
893 			}
894 			else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
895 				phba->vpd_flag |= VPD_MODEL_DESC;
896 				index += 2;
897 				i = vpd[index];
898 				index += 1;
899 				j = 0;
900 				Length -= (3+i);
901 				while(i--) {
902 					phba->ModelDesc[j++] = vpd[index++];
903 					if (j == 255)
904 						break;
905 				}
906 				phba->ModelDesc[j] = 0;
907 				continue;
908 			}
909 			else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
910 				phba->vpd_flag |= VPD_MODEL_NAME;
911 				index += 2;
912 				i = vpd[index];
913 				index += 1;
914 				j = 0;
915 				Length -= (3+i);
916 				while(i--) {
917 					phba->ModelName[j++] = vpd[index++];
918 					if (j == 79)
919 						break;
920 				}
921 				phba->ModelName[j] = 0;
922 				continue;
923 			}
924 			else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
925 				phba->vpd_flag |= VPD_PROGRAM_TYPE;
926 				index += 2;
927 				i = vpd[index];
928 				index += 1;
929 				j = 0;
930 				Length -= (3+i);
931 				while(i--) {
932 					phba->ProgramType[j++] = vpd[index++];
933 					if (j == 255)
934 						break;
935 				}
936 				phba->ProgramType[j] = 0;
937 				continue;
938 			}
939 			else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
940 				phba->vpd_flag |= VPD_PORT;
941 				index += 2;
942 				i = vpd[index];
943 				index += 1;
944 				j = 0;
945 				Length -= (3+i);
946 				while(i--) {
947 				phba->Port[j++] = vpd[index++];
948 				if (j == 19)
949 					break;
950 				}
951 				phba->Port[j] = 0;
952 				continue;
953 			}
954 			else {
955 				index += 2;
956 				i = vpd[index];
957 				index += 1;
958 				index += i;
959 				Length -= (3 + i);
960 			}
961 		}
962 		finished = 0;
963 		break;
964 		case 0x78:
965 			finished = 1;
966 			break;
967 		default:
968 			index ++;
969 			break;
970 		}
971 	}
972 
973 	return(1);
974 }
975 
976 static void
977 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
978 {
979 	lpfc_vpd_t *vp;
980 	uint16_t dev_id = phba->pcidev->device;
981 	int max_speed;
982 	struct {
983 		char * name;
984 		int    max_speed;
985 		char * bus;
986 	} m = {"<Unknown>", 0, ""};
987 
988 	if (mdp && mdp[0] != '\0'
989 		&& descp && descp[0] != '\0')
990 		return;
991 
992 	if (phba->lmt & LMT_10Gb)
993 		max_speed = 10;
994 	else if (phba->lmt & LMT_8Gb)
995 		max_speed = 8;
996 	else if (phba->lmt & LMT_4Gb)
997 		max_speed = 4;
998 	else if (phba->lmt & LMT_2Gb)
999 		max_speed = 2;
1000 	else
1001 		max_speed = 1;
1002 
1003 	vp = &phba->vpd;
1004 
1005 	switch (dev_id) {
1006 	case PCI_DEVICE_ID_FIREFLY:
1007 		m = (typeof(m)){"LP6000", max_speed, "PCI"};
1008 		break;
1009 	case PCI_DEVICE_ID_SUPERFLY:
1010 		if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
1011 			m = (typeof(m)){"LP7000", max_speed,  "PCI"};
1012 		else
1013 			m = (typeof(m)){"LP7000E", max_speed, "PCI"};
1014 		break;
1015 	case PCI_DEVICE_ID_DRAGONFLY:
1016 		m = (typeof(m)){"LP8000", max_speed, "PCI"};
1017 		break;
1018 	case PCI_DEVICE_ID_CENTAUR:
1019 		if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
1020 			m = (typeof(m)){"LP9002", max_speed, "PCI"};
1021 		else
1022 			m = (typeof(m)){"LP9000", max_speed, "PCI"};
1023 		break;
1024 	case PCI_DEVICE_ID_RFLY:
1025 		m = (typeof(m)){"LP952", max_speed, "PCI"};
1026 		break;
1027 	case PCI_DEVICE_ID_PEGASUS:
1028 		m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
1029 		break;
1030 	case PCI_DEVICE_ID_THOR:
1031 		m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
1032 		break;
1033 	case PCI_DEVICE_ID_VIPER:
1034 		m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
1035 		break;
1036 	case PCI_DEVICE_ID_PFLY:
1037 		m = (typeof(m)){"LP982", max_speed, "PCI-X"};
1038 		break;
1039 	case PCI_DEVICE_ID_TFLY:
1040 		m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
1041 		break;
1042 	case PCI_DEVICE_ID_HELIOS:
1043 		m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
1044 		break;
1045 	case PCI_DEVICE_ID_HELIOS_SCSP:
1046 		m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1047 		break;
1048 	case PCI_DEVICE_ID_HELIOS_DCSP:
1049 		m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1050 		break;
1051 	case PCI_DEVICE_ID_NEPTUNE:
1052 		m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1053 		break;
1054 	case PCI_DEVICE_ID_NEPTUNE_SCSP:
1055 		m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1056 		break;
1057 	case PCI_DEVICE_ID_NEPTUNE_DCSP:
1058 		m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1059 		break;
1060 	case PCI_DEVICE_ID_BMID:
1061 		m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
1062 		break;
1063 	case PCI_DEVICE_ID_BSMB:
1064 		m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
1065 		break;
1066 	case PCI_DEVICE_ID_ZEPHYR:
1067 		m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1068 		break;
1069 	case PCI_DEVICE_ID_ZEPHYR_SCSP:
1070 		m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1071 		break;
1072 	case PCI_DEVICE_ID_ZEPHYR_DCSP:
1073 		m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1074 		break;
1075 	case PCI_DEVICE_ID_ZMID:
1076 		m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1077 		break;
1078 	case PCI_DEVICE_ID_ZSMB:
1079 		m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1080 		break;
1081 	case PCI_DEVICE_ID_LP101:
1082 		m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1083 		break;
1084 	case PCI_DEVICE_ID_LP10000S:
1085 		m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1086 		break;
1087 	case PCI_DEVICE_ID_LP11000S:
1088 		m = (typeof(m)){"LP11000-S", max_speed,
1089 			"PCI-X2"};
1090 		break;
1091 	case PCI_DEVICE_ID_LPE11000S:
1092 		m = (typeof(m)){"LPe11000-S", max_speed,
1093 			"PCIe"};
1094 		break;
1095 	case PCI_DEVICE_ID_SAT:
1096 		m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1097 		break;
1098 	case PCI_DEVICE_ID_SAT_MID:
1099 		m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1100 		break;
1101 	case PCI_DEVICE_ID_SAT_SMB:
1102 		m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1103 		break;
1104 	case PCI_DEVICE_ID_SAT_DCSP:
1105 		m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1106 		break;
1107 	case PCI_DEVICE_ID_SAT_SCSP:
1108 		m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1109 		break;
1110 	case PCI_DEVICE_ID_SAT_S:
1111 		m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1112 		break;
1113 	default:
1114 		m = (typeof(m)){ NULL };
1115 		break;
1116 	}
1117 
1118 	if (mdp && mdp[0] == '\0')
1119 		snprintf(mdp, 79,"%s", m.name);
1120 	if (descp && descp[0] == '\0')
1121 		snprintf(descp, 255,
1122 			 "Emulex %s %dGb %s Fibre Channel Adapter",
1123 			 m.name, m.max_speed, m.bus);
1124 }
1125 
1126 /**************************************************/
1127 /*   lpfc_post_buffer                             */
1128 /*                                                */
1129 /*   This routine will post count buffers to the  */
1130 /*   ring with the QUE_RING_BUF_CN command. This  */
1131 /*   allows 3 buffers / command to be posted.     */
1132 /*   Returns the number of buffers NOT posted.    */
1133 /**************************************************/
1134 int
1135 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
1136 		 int type)
1137 {
1138 	IOCB_t *icmd;
1139 	struct lpfc_iocbq *iocb;
1140 	struct lpfc_dmabuf *mp1, *mp2;
1141 
1142 	cnt += pring->missbufcnt;
1143 
1144 	/* While there are buffers to post */
1145 	while (cnt > 0) {
1146 		/* Allocate buffer for  command iocb */
1147 		iocb = lpfc_sli_get_iocbq(phba);
1148 		if (iocb == NULL) {
1149 			pring->missbufcnt = cnt;
1150 			return cnt;
1151 		}
1152 		icmd = &iocb->iocb;
1153 
1154 		/* 2 buffers can be posted per command */
1155 		/* Allocate buffer to post */
1156 		mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1157 		if (mp1)
1158 		    mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
1159 		if (!mp1 || !mp1->virt) {
1160 			kfree(mp1);
1161 			lpfc_sli_release_iocbq(phba, iocb);
1162 			pring->missbufcnt = cnt;
1163 			return cnt;
1164 		}
1165 
1166 		INIT_LIST_HEAD(&mp1->list);
1167 		/* Allocate buffer to post */
1168 		if (cnt > 1) {
1169 			mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1170 			if (mp2)
1171 				mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1172 							    &mp2->phys);
1173 			if (!mp2 || !mp2->virt) {
1174 				kfree(mp2);
1175 				lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1176 				kfree(mp1);
1177 				lpfc_sli_release_iocbq(phba, iocb);
1178 				pring->missbufcnt = cnt;
1179 				return cnt;
1180 			}
1181 
1182 			INIT_LIST_HEAD(&mp2->list);
1183 		} else {
1184 			mp2 = NULL;
1185 		}
1186 
1187 		icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1188 		icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1189 		icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1190 		icmd->ulpBdeCount = 1;
1191 		cnt--;
1192 		if (mp2) {
1193 			icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1194 			icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1195 			icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1196 			cnt--;
1197 			icmd->ulpBdeCount = 2;
1198 		}
1199 
1200 		icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1201 		icmd->ulpLe = 1;
1202 
1203 		if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1204 			lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1205 			kfree(mp1);
1206 			cnt++;
1207 			if (mp2) {
1208 				lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1209 				kfree(mp2);
1210 				cnt++;
1211 			}
1212 			lpfc_sli_release_iocbq(phba, iocb);
1213 			pring->missbufcnt = cnt;
1214 			return cnt;
1215 		}
1216 		lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1217 		if (mp2)
1218 			lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1219 	}
1220 	pring->missbufcnt = 0;
1221 	return 0;
1222 }
1223 
1224 /************************************************************************/
1225 /*                                                                      */
1226 /*   lpfc_post_rcv_buf                                                  */
1227 /*   This routine post initial rcv buffers to the configured rings      */
1228 /*                                                                      */
1229 /************************************************************************/
1230 static int
1231 lpfc_post_rcv_buf(struct lpfc_hba *phba)
1232 {
1233 	struct lpfc_sli *psli = &phba->sli;
1234 
1235 	/* Ring 0, ELS / CT buffers */
1236 	lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1237 	/* Ring 2 - FCP no buffers needed */
1238 
1239 	return 0;
1240 }
1241 
1242 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1243 
1244 /************************************************************************/
1245 /*                                                                      */
1246 /*   lpfc_sha_init                                                      */
1247 /*                                                                      */
1248 /************************************************************************/
1249 static void
1250 lpfc_sha_init(uint32_t * HashResultPointer)
1251 {
1252 	HashResultPointer[0] = 0x67452301;
1253 	HashResultPointer[1] = 0xEFCDAB89;
1254 	HashResultPointer[2] = 0x98BADCFE;
1255 	HashResultPointer[3] = 0x10325476;
1256 	HashResultPointer[4] = 0xC3D2E1F0;
1257 }
1258 
1259 /************************************************************************/
1260 /*                                                                      */
1261 /*   lpfc_sha_iterate                                                   */
1262 /*                                                                      */
1263 /************************************************************************/
1264 static void
1265 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1266 {
1267 	int t;
1268 	uint32_t TEMP;
1269 	uint32_t A, B, C, D, E;
1270 	t = 16;
1271 	do {
1272 		HashWorkingPointer[t] =
1273 		    S(1,
1274 		      HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1275 								     8] ^
1276 		      HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1277 	} while (++t <= 79);
1278 	t = 0;
1279 	A = HashResultPointer[0];
1280 	B = HashResultPointer[1];
1281 	C = HashResultPointer[2];
1282 	D = HashResultPointer[3];
1283 	E = HashResultPointer[4];
1284 
1285 	do {
1286 		if (t < 20) {
1287 			TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1288 		} else if (t < 40) {
1289 			TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1290 		} else if (t < 60) {
1291 			TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1292 		} else {
1293 			TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1294 		}
1295 		TEMP += S(5, A) + E + HashWorkingPointer[t];
1296 		E = D;
1297 		D = C;
1298 		C = S(30, B);
1299 		B = A;
1300 		A = TEMP;
1301 	} while (++t <= 79);
1302 
1303 	HashResultPointer[0] += A;
1304 	HashResultPointer[1] += B;
1305 	HashResultPointer[2] += C;
1306 	HashResultPointer[3] += D;
1307 	HashResultPointer[4] += E;
1308 
1309 }
1310 
1311 /************************************************************************/
1312 /*                                                                      */
1313 /*   lpfc_challenge_key                                                 */
1314 /*                                                                      */
1315 /************************************************************************/
1316 static void
1317 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1318 {
1319 	*HashWorking = (*RandomChallenge ^ *HashWorking);
1320 }
1321 
1322 /************************************************************************/
1323 /*                                                                      */
1324 /*   lpfc_hba_init                                                      */
1325 /*                                                                      */
1326 /************************************************************************/
1327 void
1328 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1329 {
1330 	int t;
1331 	uint32_t *HashWorking;
1332 	uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1333 
1334 	HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
1335 	if (!HashWorking)
1336 		return;
1337 
1338 	HashWorking[0] = HashWorking[78] = *pwwnn++;
1339 	HashWorking[1] = HashWorking[79] = *pwwnn;
1340 
1341 	for (t = 0; t < 7; t++)
1342 		lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1343 
1344 	lpfc_sha_init(hbainit);
1345 	lpfc_sha_iterate(hbainit, HashWorking);
1346 	kfree(HashWorking);
1347 }
1348 
1349 void
1350 lpfc_cleanup(struct lpfc_vport *vport)
1351 {
1352 	struct lpfc_hba   *phba = vport->phba;
1353 	struct lpfc_nodelist *ndlp, *next_ndlp;
1354 	int i = 0;
1355 
1356 	if (phba->link_state > LPFC_LINK_DOWN)
1357 		lpfc_port_link_failure(vport);
1358 
1359 	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1360 		if (ndlp->nlp_type & NLP_FABRIC)
1361 			lpfc_disc_state_machine(vport, ndlp, NULL,
1362 					NLP_EVT_DEVICE_RECOVERY);
1363 		lpfc_disc_state_machine(vport, ndlp, NULL,
1364 					     NLP_EVT_DEVICE_RM);
1365 	}
1366 
1367 	/* At this point, ALL ndlp's should be gone
1368 	 * because of the previous NLP_EVT_DEVICE_RM.
1369 	 * Lets wait for this to happen, if needed.
1370 	 */
1371 	while (!list_empty(&vport->fc_nodes)) {
1372 
1373 		if (i++ > 3000) {
1374 			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1375 				"0233 Nodelist not empty\n");
1376 			break;
1377 		}
1378 
1379 		/* Wait for any activity on ndlps to settle */
1380 		msleep(10);
1381 	}
1382 	return;
1383 }
1384 
1385 static void
1386 lpfc_establish_link_tmo(unsigned long ptr)
1387 {
1388 	struct lpfc_hba   *phba = (struct lpfc_hba *) ptr;
1389 	struct lpfc_vport **vports;
1390 	unsigned long iflag;
1391 	int i;
1392 
1393 	/* Re-establishing Link, timer expired */
1394 	lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1395 			"1300 Re-establishing Link, timer expired "
1396 			"Data: x%x x%x\n",
1397 			phba->pport->fc_flag, phba->pport->port_state);
1398 	vports = lpfc_create_vport_work_array(phba);
1399 	if (vports != NULL)
1400 		for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1401 			struct Scsi_Host *shost;
1402 			shost = lpfc_shost_from_vport(vports[i]);
1403 			spin_lock_irqsave(shost->host_lock, iflag);
1404 			vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1405 			spin_unlock_irqrestore(shost->host_lock, iflag);
1406 		}
1407 	lpfc_destroy_vport_work_array(vports);
1408 }
1409 
1410 void
1411 lpfc_stop_vport_timers(struct lpfc_vport *vport)
1412 {
1413 	del_timer_sync(&vport->els_tmofunc);
1414 	del_timer_sync(&vport->fc_fdmitmo);
1415 	lpfc_can_disctmo(vport);
1416 	return;
1417 }
1418 
1419 static void
1420 lpfc_stop_phba_timers(struct lpfc_hba *phba)
1421 {
1422 	del_timer_sync(&phba->fcp_poll_timer);
1423 	del_timer_sync(&phba->fc_estabtmo);
1424 	lpfc_stop_vport_timers(phba->pport);
1425 	del_timer_sync(&phba->sli.mbox_tmo);
1426 	del_timer_sync(&phba->fabric_block_timer);
1427 	phba->hb_outstanding = 0;
1428 	del_timer_sync(&phba->hb_tmofunc);
1429 	return;
1430 }
1431 
1432 static void
1433 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1434 {
1435 	unsigned long iflag;
1436 
1437 	spin_lock_irqsave(&phba->hbalock, iflag);
1438 	phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1439 	spin_unlock_irqrestore(&phba->hbalock, iflag);
1440 }
1441 
1442 int
1443 lpfc_online(struct lpfc_hba *phba)
1444 {
1445 	struct lpfc_vport *vport = phba->pport;
1446 	struct lpfc_vport **vports;
1447 	int i;
1448 
1449 	if (!phba)
1450 		return 0;
1451 
1452 	if (!(vport->fc_flag & FC_OFFLINE_MODE))
1453 		return 0;
1454 
1455 	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1456 			"0458 Bring Adapter online\n");
1457 
1458 	lpfc_block_mgmt_io(phba);
1459 
1460 	if (!lpfc_sli_queue_setup(phba)) {
1461 		lpfc_unblock_mgmt_io(phba);
1462 		return 1;
1463 	}
1464 
1465 	if (lpfc_sli_hba_setup(phba)) {	/* Initialize the HBA */
1466 		lpfc_unblock_mgmt_io(phba);
1467 		return 1;
1468 	}
1469 
1470 	vports = lpfc_create_vport_work_array(phba);
1471 	if (vports != NULL)
1472 		for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1473 			struct Scsi_Host *shost;
1474 			shost = lpfc_shost_from_vport(vports[i]);
1475 			spin_lock_irq(shost->host_lock);
1476 			vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1477 			if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1478 				vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1479 			spin_unlock_irq(shost->host_lock);
1480 		}
1481 		lpfc_destroy_vport_work_array(vports);
1482 
1483 	lpfc_unblock_mgmt_io(phba);
1484 	return 0;
1485 }
1486 
1487 void
1488 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1489 {
1490 	unsigned long iflag;
1491 
1492 	spin_lock_irqsave(&phba->hbalock, iflag);
1493 	phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1494 	spin_unlock_irqrestore(&phba->hbalock, iflag);
1495 }
1496 
1497 void
1498 lpfc_offline_prep(struct lpfc_hba * phba)
1499 {
1500 	struct lpfc_vport *vport = phba->pport;
1501 	struct lpfc_nodelist  *ndlp, *next_ndlp;
1502 	struct lpfc_vport **vports;
1503 	int i;
1504 
1505 	if (vport->fc_flag & FC_OFFLINE_MODE)
1506 		return;
1507 
1508 	lpfc_block_mgmt_io(phba);
1509 
1510 	lpfc_linkdown(phba);
1511 
1512 	/* Issue an unreg_login to all nodes on all vports */
1513 	vports = lpfc_create_vport_work_array(phba);
1514 	if (vports != NULL) {
1515 		for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1516 			struct Scsi_Host *shost;
1517 
1518 			if (vports[i]->load_flag & FC_UNLOADING)
1519 				continue;
1520 			shost =	lpfc_shost_from_vport(vports[i]);
1521 			list_for_each_entry_safe(ndlp, next_ndlp,
1522 						 &vports[i]->fc_nodes,
1523 						 nlp_listp) {
1524 				if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
1525 					continue;
1526 				if (ndlp->nlp_type & NLP_FABRIC) {
1527 					lpfc_disc_state_machine(vports[i], ndlp,
1528 						NULL, NLP_EVT_DEVICE_RECOVERY);
1529 					lpfc_disc_state_machine(vports[i], ndlp,
1530 						NULL, NLP_EVT_DEVICE_RM);
1531 				}
1532 				spin_lock_irq(shost->host_lock);
1533 				ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1534 				spin_unlock_irq(shost->host_lock);
1535 				lpfc_unreg_rpi(vports[i], ndlp);
1536 			}
1537 		}
1538 	}
1539 	lpfc_destroy_vport_work_array(vports);
1540 
1541 	lpfc_sli_flush_mbox_queue(phba);
1542 }
1543 
1544 void
1545 lpfc_offline(struct lpfc_hba *phba)
1546 {
1547 	struct Scsi_Host  *shost;
1548 	struct lpfc_vport **vports;
1549 	int i;
1550 
1551 	if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1552 		return;
1553 
1554 	/* stop all timers associated with this hba */
1555 	lpfc_stop_phba_timers(phba);
1556 	vports = lpfc_create_vport_work_array(phba);
1557 	if (vports != NULL)
1558 		for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++)
1559 			lpfc_stop_vport_timers(vports[i]);
1560 	lpfc_destroy_vport_work_array(vports);
1561 	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1562 			"0460 Bring Adapter offline\n");
1563 	/* Bring down the SLI Layer and cleanup.  The HBA is offline
1564 	   now.  */
1565 	lpfc_sli_hba_down(phba);
1566 	spin_lock_irq(&phba->hbalock);
1567 	phba->work_ha = 0;
1568 	spin_unlock_irq(&phba->hbalock);
1569 	vports = lpfc_create_vport_work_array(phba);
1570 	if (vports != NULL)
1571 		for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1572 			shost = lpfc_shost_from_vport(vports[i]);
1573 			spin_lock_irq(shost->host_lock);
1574 			vports[i]->work_port_events = 0;
1575 			vports[i]->fc_flag |= FC_OFFLINE_MODE;
1576 			spin_unlock_irq(shost->host_lock);
1577 		}
1578 	lpfc_destroy_vport_work_array(vports);
1579 }
1580 
1581 /******************************************************************************
1582 * Function name: lpfc_scsi_free
1583 *
1584 * Description: Called from lpfc_pci_remove_one free internal driver resources
1585 *
1586 ******************************************************************************/
1587 static int
1588 lpfc_scsi_free(struct lpfc_hba *phba)
1589 {
1590 	struct lpfc_scsi_buf *sb, *sb_next;
1591 	struct lpfc_iocbq *io, *io_next;
1592 
1593 	spin_lock_irq(&phba->hbalock);
1594 	/* Release all the lpfc_scsi_bufs maintained by this host. */
1595 	list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1596 		list_del(&sb->list);
1597 		pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1598 			      sb->dma_handle);
1599 		kfree(sb);
1600 		phba->total_scsi_bufs--;
1601 	}
1602 
1603 	/* Release all the lpfc_iocbq entries maintained by this host. */
1604 	list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1605 		list_del(&io->list);
1606 		kfree(io);
1607 		phba->total_iocbq_bufs--;
1608 	}
1609 
1610 	spin_unlock_irq(&phba->hbalock);
1611 
1612 	return 0;
1613 }
1614 
1615 struct lpfc_vport *
1616 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1617 {
1618 	struct lpfc_vport *vport;
1619 	struct Scsi_Host  *shost;
1620 	int error = 0;
1621 
1622 	if (dev != &phba->pcidev->dev)
1623 		shost = scsi_host_alloc(&lpfc_vport_template,
1624 					sizeof(struct lpfc_vport));
1625 	else
1626 		shost = scsi_host_alloc(&lpfc_template,
1627 					sizeof(struct lpfc_vport));
1628 	if (!shost)
1629 		goto out;
1630 
1631 	vport = (struct lpfc_vport *) shost->hostdata;
1632 	vport->phba = phba;
1633 
1634 	vport->load_flag |= FC_LOADING;
1635 	vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1636 
1637 	lpfc_get_vport_cfgparam(vport);
1638 	shost->unique_id = instance;
1639 	shost->max_id = LPFC_MAX_TARGET;
1640 	shost->max_lun = vport->cfg_max_luns;
1641 	shost->this_id = -1;
1642 	shost->max_cmd_len = 16;
1643 	/*
1644 	 * Set initial can_queue value since 0 is no longer supported and
1645 	 * scsi_add_host will fail. This will be adjusted later based on the
1646 	 * max xri value determined in hba setup.
1647 	 */
1648 	shost->can_queue = phba->cfg_hba_queue_depth - 10;
1649 	if (dev != &phba->pcidev->dev) {
1650 		shost->transportt = lpfc_vport_transport_template;
1651 		vport->port_type = LPFC_NPIV_PORT;
1652 	} else {
1653 		shost->transportt = lpfc_transport_template;
1654 		vport->port_type = LPFC_PHYSICAL_PORT;
1655 	}
1656 
1657 	/* Initialize all internally managed lists. */
1658 	INIT_LIST_HEAD(&vport->fc_nodes);
1659 	spin_lock_init(&vport->work_port_lock);
1660 
1661 	init_timer(&vport->fc_disctmo);
1662 	vport->fc_disctmo.function = lpfc_disc_timeout;
1663 	vport->fc_disctmo.data = (unsigned long)vport;
1664 
1665 	init_timer(&vport->fc_fdmitmo);
1666 	vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1667 	vport->fc_fdmitmo.data = (unsigned long)vport;
1668 
1669 	init_timer(&vport->els_tmofunc);
1670 	vport->els_tmofunc.function = lpfc_els_timeout;
1671 	vport->els_tmofunc.data = (unsigned long)vport;
1672 
1673 	error = scsi_add_host(shost, dev);
1674 	if (error)
1675 		goto out_put_shost;
1676 
1677 	spin_lock_irq(&phba->hbalock);
1678 	list_add_tail(&vport->listentry, &phba->port_list);
1679 	spin_unlock_irq(&phba->hbalock);
1680 	return vport;
1681 
1682 out_put_shost:
1683 	scsi_host_put(shost);
1684 out:
1685 	return NULL;
1686 }
1687 
1688 void
1689 destroy_port(struct lpfc_vport *vport)
1690 {
1691 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1692 	struct lpfc_hba  *phba = vport->phba;
1693 
1694 	kfree(vport->vname);
1695 
1696 	lpfc_debugfs_terminate(vport);
1697 	fc_remove_host(shost);
1698 	scsi_remove_host(shost);
1699 
1700 	spin_lock_irq(&phba->hbalock);
1701 	list_del_init(&vport->listentry);
1702 	spin_unlock_irq(&phba->hbalock);
1703 
1704 	lpfc_cleanup(vport);
1705 	return;
1706 }
1707 
1708 int
1709 lpfc_get_instance(void)
1710 {
1711 	int instance = 0;
1712 
1713 	/* Assign an unused number */
1714 	if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1715 		return -1;
1716 	if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1717 		return -1;
1718 	return instance;
1719 }
1720 
1721 /*
1722  * Note: there is no scan_start function as adapter initialization
1723  * will have asynchronously kicked off the link initialization.
1724  */
1725 
1726 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1727 {
1728 	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1729 	struct lpfc_hba   *phba = vport->phba;
1730 	int stat = 0;
1731 
1732 	spin_lock_irq(shost->host_lock);
1733 
1734 	if (vport->load_flag & FC_UNLOADING) {
1735 		stat = 1;
1736 		goto finished;
1737 	}
1738 	if (time >= 30 * HZ) {
1739 		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1740 				"0461 Scanning longer than 30 "
1741 				"seconds.  Continuing initialization\n");
1742 		stat = 1;
1743 		goto finished;
1744 	}
1745 	if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1746 		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1747 				"0465 Link down longer than 15 "
1748 				"seconds.  Continuing initialization\n");
1749 		stat = 1;
1750 		goto finished;
1751 	}
1752 
1753 	if (vport->port_state != LPFC_VPORT_READY)
1754 		goto finished;
1755 	if (vport->num_disc_nodes || vport->fc_prli_sent)
1756 		goto finished;
1757 	if (vport->fc_map_cnt == 0 && time < 2 * HZ)
1758 		goto finished;
1759 	if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
1760 		goto finished;
1761 
1762 	stat = 1;
1763 
1764 finished:
1765 	spin_unlock_irq(shost->host_lock);
1766 	return stat;
1767 }
1768 
1769 void lpfc_host_attrib_init(struct Scsi_Host *shost)
1770 {
1771 	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1772 	struct lpfc_hba   *phba = vport->phba;
1773 	/*
1774 	 * Set fixed host attributes.  Must done after lpfc_sli_hba_setup().
1775 	 */
1776 
1777 	fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1778 	fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
1779 	fc_host_supported_classes(shost) = FC_COS_CLASS3;
1780 
1781 	memset(fc_host_supported_fc4s(shost), 0,
1782 	       sizeof(fc_host_supported_fc4s(shost)));
1783 	fc_host_supported_fc4s(shost)[2] = 1;
1784 	fc_host_supported_fc4s(shost)[7] = 1;
1785 
1786 	lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1787 				 sizeof fc_host_symbolic_name(shost));
1788 
1789 	fc_host_supported_speeds(shost) = 0;
1790 	if (phba->lmt & LMT_10Gb)
1791 		fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1792 	if (phba->lmt & LMT_8Gb)
1793 		fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
1794 	if (phba->lmt & LMT_4Gb)
1795 		fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1796 	if (phba->lmt & LMT_2Gb)
1797 		fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1798 	if (phba->lmt & LMT_1Gb)
1799 		fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1800 
1801 	fc_host_maxframe_size(shost) =
1802 		(((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1803 		(uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1804 
1805 	/* This value is also unchanging */
1806 	memset(fc_host_active_fc4s(shost), 0,
1807 	       sizeof(fc_host_active_fc4s(shost)));
1808 	fc_host_active_fc4s(shost)[2] = 1;
1809 	fc_host_active_fc4s(shost)[7] = 1;
1810 
1811 	fc_host_max_npiv_vports(shost) = phba->max_vpi;
1812 	spin_lock_irq(shost->host_lock);
1813 	vport->load_flag &= ~FC_LOADING;
1814 	spin_unlock_irq(shost->host_lock);
1815 }
1816 
1817 static int __devinit
1818 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1819 {
1820 	struct lpfc_vport *vport = NULL;
1821 	struct lpfc_hba   *phba;
1822 	struct lpfc_sli   *psli;
1823 	struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1824 	struct Scsi_Host  *shost = NULL;
1825 	void *ptr;
1826 	unsigned long bar0map_len, bar2map_len;
1827 	int error = -ENODEV, retval;
1828 	int  i, hbq_count;
1829 	uint16_t iotag;
1830 
1831 	if (pci_enable_device(pdev))
1832 		goto out;
1833 	if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1834 		goto out_disable_device;
1835 
1836 	phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1837 	if (!phba)
1838 		goto out_release_regions;
1839 
1840 	spin_lock_init(&phba->hbalock);
1841 
1842 	phba->pcidev = pdev;
1843 
1844 	/* Assign an unused board number */
1845 	if ((phba->brd_no = lpfc_get_instance()) < 0)
1846 		goto out_free_phba;
1847 
1848 	INIT_LIST_HEAD(&phba->port_list);
1849 	/*
1850 	 * Get all the module params for configuring this host and then
1851 	 * establish the host.
1852 	 */
1853 	lpfc_get_cfgparam(phba);
1854 	phba->max_vpi = LPFC_MAX_VPI;
1855 
1856 	/* Initialize timers used by driver */
1857 	init_timer(&phba->fc_estabtmo);
1858 	phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1859 	phba->fc_estabtmo.data = (unsigned long)phba;
1860 
1861 	init_timer(&phba->hb_tmofunc);
1862 	phba->hb_tmofunc.function = lpfc_hb_timeout;
1863 	phba->hb_tmofunc.data = (unsigned long)phba;
1864 
1865 	psli = &phba->sli;
1866 	init_timer(&psli->mbox_tmo);
1867 	psli->mbox_tmo.function = lpfc_mbox_timeout;
1868 	psli->mbox_tmo.data = (unsigned long) phba;
1869 	init_timer(&phba->fcp_poll_timer);
1870 	phba->fcp_poll_timer.function = lpfc_poll_timeout;
1871 	phba->fcp_poll_timer.data = (unsigned long) phba;
1872 	init_timer(&phba->fabric_block_timer);
1873 	phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1874 	phba->fabric_block_timer.data = (unsigned long) phba;
1875 
1876 	pci_set_master(pdev);
1877 	pci_try_set_mwi(pdev);
1878 
1879 	if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1880 		if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1881 			goto out_idr_remove;
1882 
1883 	/*
1884 	 * Get the bus address of Bar0 and Bar2 and the number of bytes
1885 	 * required by each mapping.
1886 	 */
1887 	phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1888 	bar0map_len        = pci_resource_len(phba->pcidev, 0);
1889 
1890 	phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1891 	bar2map_len        = pci_resource_len(phba->pcidev, 2);
1892 
1893 	/* Map HBA SLIM to a kernel virtual address. */
1894 	phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1895 	if (!phba->slim_memmap_p) {
1896 		error = -ENODEV;
1897 		dev_printk(KERN_ERR, &pdev->dev,
1898 			   "ioremap failed for SLIM memory.\n");
1899 		goto out_idr_remove;
1900 	}
1901 
1902 	/* Map HBA Control Registers to a kernel virtual address. */
1903 	phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1904 	if (!phba->ctrl_regs_memmap_p) {
1905 		error = -ENODEV;
1906 		dev_printk(KERN_ERR, &pdev->dev,
1907 			   "ioremap failed for HBA control registers.\n");
1908 		goto out_iounmap_slim;
1909 	}
1910 
1911 	/* Allocate memory for SLI-2 structures */
1912 	phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1913 					  &phba->slim2p_mapping, GFP_KERNEL);
1914 	if (!phba->slim2p)
1915 		goto out_iounmap;
1916 
1917 	memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1918 
1919 	phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
1920 						 lpfc_sli_hbq_size(),
1921 						 &phba->hbqslimp.phys,
1922 						 GFP_KERNEL);
1923 	if (!phba->hbqslimp.virt)
1924 		goto out_free_slim;
1925 
1926 	hbq_count = lpfc_sli_hbq_count();
1927 	ptr = phba->hbqslimp.virt;
1928 	for (i = 0; i < hbq_count; ++i) {
1929 		phba->hbqs[i].hbq_virt = ptr;
1930 		INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
1931 		ptr += (lpfc_hbq_defs[i]->entry_count *
1932 			sizeof(struct lpfc_hbq_entry));
1933 	}
1934 	phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
1935 	phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer  = lpfc_els_hbq_free;
1936 
1937 	memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
1938 
1939 	/* Initialize the SLI Layer to run with lpfc HBAs. */
1940 	lpfc_sli_setup(phba);
1941 	lpfc_sli_queue_setup(phba);
1942 
1943 	retval = lpfc_mem_alloc(phba);
1944 	if (retval) {
1945 		error = retval;
1946 		goto out_free_hbqslimp;
1947 	}
1948 
1949 	/* Initialize and populate the iocb list per host.  */
1950 	INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1951 	for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1952 		iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1953 		if (iocbq_entry == NULL) {
1954 			printk(KERN_ERR "%s: only allocated %d iocbs of "
1955 				"expected %d count. Unloading driver.\n",
1956 				__FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1957 			error = -ENOMEM;
1958 			goto out_free_iocbq;
1959 		}
1960 
1961 		iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1962 		if (iotag == 0) {
1963 			kfree (iocbq_entry);
1964 			printk(KERN_ERR "%s: failed to allocate IOTAG. "
1965 			       "Unloading driver.\n",
1966 				__FUNCTION__);
1967 			error = -ENOMEM;
1968 			goto out_free_iocbq;
1969 		}
1970 
1971 		spin_lock_irq(&phba->hbalock);
1972 		list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1973 		phba->total_iocbq_bufs++;
1974 		spin_unlock_irq(&phba->hbalock);
1975 	}
1976 
1977 	/* Initialize HBA structure */
1978 	phba->fc_edtov = FF_DEF_EDTOV;
1979 	phba->fc_ratov = FF_DEF_RATOV;
1980 	phba->fc_altov = FF_DEF_ALTOV;
1981 	phba->fc_arbtov = FF_DEF_ARBTOV;
1982 
1983 	INIT_LIST_HEAD(&phba->work_list);
1984 	phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1985 	phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1986 
1987 	/* Startup the kernel thread for this host adapter. */
1988 	phba->worker_thread = kthread_run(lpfc_do_work, phba,
1989 				       "lpfc_worker_%d", phba->brd_no);
1990 	if (IS_ERR(phba->worker_thread)) {
1991 		error = PTR_ERR(phba->worker_thread);
1992 		goto out_free_iocbq;
1993 	}
1994 
1995 	/* Initialize the list of scsi buffers used by driver for scsi IO. */
1996 	spin_lock_init(&phba->scsi_buf_list_lock);
1997 	INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1998 
1999 	/* Initialize list of fabric iocbs */
2000 	INIT_LIST_HEAD(&phba->fabric_iocb_list);
2001 
2002 	vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2003 	if (!vport)
2004 		goto out_kthread_stop;
2005 
2006 	shost = lpfc_shost_from_vport(vport);
2007 	phba->pport = vport;
2008 	lpfc_debugfs_initialize(vport);
2009 
2010 	pci_set_drvdata(pdev, shost);
2011 
2012 	if (phba->cfg_use_msi) {
2013 		retval = pci_enable_msi(phba->pcidev);
2014 		if (!retval)
2015 			phba->using_msi = 1;
2016 		else
2017 			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2018 					"0452 Enable MSI failed, continuing "
2019 					"with IRQ\n");
2020 	}
2021 
2022 	retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
2023 			    LPFC_DRIVER_NAME, phba);
2024 	if (retval) {
2025 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2026 			"0451 Enable interrupt handler failed\n");
2027 		error = retval;
2028 		goto out_disable_msi;
2029 	}
2030 
2031 	phba->MBslimaddr = phba->slim_memmap_p;
2032 	phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
2033 	phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
2034 	phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
2035 	phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
2036 
2037 	if (lpfc_alloc_sysfs_attr(vport)) {
2038 		error = -ENOMEM;
2039 		goto out_free_irq;
2040 	}
2041 
2042 	if (lpfc_sli_hba_setup(phba)) {
2043 		error = -ENODEV;
2044 		goto out_remove_device;
2045 	}
2046 
2047 	/*
2048 	 * hba setup may have changed the hba_queue_depth so we need to adjust
2049 	 * the value of can_queue.
2050 	 */
2051 	shost->can_queue = phba->cfg_hba_queue_depth - 10;
2052 
2053 	lpfc_host_attrib_init(shost);
2054 
2055 	if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
2056 		spin_lock_irq(shost->host_lock);
2057 		lpfc_poll_start_timer(phba);
2058 		spin_unlock_irq(shost->host_lock);
2059 	}
2060 
2061 	scsi_scan_host(shost);
2062 
2063 	return 0;
2064 
2065 out_remove_device:
2066 	lpfc_free_sysfs_attr(vport);
2067 	spin_lock_irq(shost->host_lock);
2068 	vport->load_flag |= FC_UNLOADING;
2069 	spin_unlock_irq(shost->host_lock);
2070 out_free_irq:
2071 	lpfc_stop_phba_timers(phba);
2072 	phba->pport->work_port_events = 0;
2073 	free_irq(phba->pcidev->irq, phba);
2074 out_disable_msi:
2075 	if (phba->using_msi)
2076 		pci_disable_msi(phba->pcidev);
2077 	destroy_port(vport);
2078 out_kthread_stop:
2079 	kthread_stop(phba->worker_thread);
2080 out_free_iocbq:
2081 	list_for_each_entry_safe(iocbq_entry, iocbq_next,
2082 						&phba->lpfc_iocb_list, list) {
2083 		kfree(iocbq_entry);
2084 		phba->total_iocbq_bufs--;
2085 	}
2086 	lpfc_mem_free(phba);
2087 out_free_hbqslimp:
2088 	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2089 			  phba->hbqslimp.phys);
2090 out_free_slim:
2091 	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
2092 							phba->slim2p_mapping);
2093 out_iounmap:
2094 	iounmap(phba->ctrl_regs_memmap_p);
2095 out_iounmap_slim:
2096 	iounmap(phba->slim_memmap_p);
2097 out_idr_remove:
2098 	idr_remove(&lpfc_hba_index, phba->brd_no);
2099 out_free_phba:
2100 	kfree(phba);
2101 out_release_regions:
2102 	pci_release_regions(pdev);
2103 out_disable_device:
2104 	pci_disable_device(pdev);
2105 out:
2106 	pci_set_drvdata(pdev, NULL);
2107 	if (shost)
2108 		scsi_host_put(shost);
2109 	return error;
2110 }
2111 
2112 static void __devexit
2113 lpfc_pci_remove_one(struct pci_dev *pdev)
2114 {
2115 	struct Scsi_Host  *shost = pci_get_drvdata(pdev);
2116 	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2117 	struct lpfc_hba   *phba = vport->phba;
2118 	spin_lock_irq(&phba->hbalock);
2119 	vport->load_flag |= FC_UNLOADING;
2120 	spin_unlock_irq(&phba->hbalock);
2121 
2122 	kfree(vport->vname);
2123 	lpfc_free_sysfs_attr(vport);
2124 
2125 	fc_remove_host(shost);
2126 	scsi_remove_host(shost);
2127 	lpfc_cleanup(vport);
2128 
2129 	/*
2130 	 * Bring down the SLI Layer. This step disable all interrupts,
2131 	 * clears the rings, discards all mailbox commands, and resets
2132 	 * the HBA.
2133 	 */
2134 	lpfc_sli_hba_down(phba);
2135 	lpfc_sli_brdrestart(phba);
2136 
2137 	lpfc_stop_phba_timers(phba);
2138 	spin_lock_irq(&phba->hbalock);
2139 	list_del_init(&vport->listentry);
2140 	spin_unlock_irq(&phba->hbalock);
2141 
2142 	lpfc_debugfs_terminate(vport);
2143 
2144 	kthread_stop(phba->worker_thread);
2145 
2146 	/* Release the irq reservation */
2147 	free_irq(phba->pcidev->irq, phba);
2148 	if (phba->using_msi)
2149 		pci_disable_msi(phba->pcidev);
2150 
2151 	pci_set_drvdata(pdev, NULL);
2152 	scsi_host_put(shost);
2153 
2154 	/*
2155 	 * Call scsi_free before mem_free since scsi bufs are released to their
2156 	 * corresponding pools here.
2157 	 */
2158 	lpfc_scsi_free(phba);
2159 	lpfc_mem_free(phba);
2160 
2161 	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2162 			  phba->hbqslimp.phys);
2163 
2164 	/* Free resources associated with SLI2 interface */
2165 	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2166 			  phba->slim2p, phba->slim2p_mapping);
2167 
2168 	/* unmap adapter SLIM and Control Registers */
2169 	iounmap(phba->ctrl_regs_memmap_p);
2170 	iounmap(phba->slim_memmap_p);
2171 
2172 	idr_remove(&lpfc_hba_index, phba->brd_no);
2173 
2174 	kfree(phba);
2175 
2176 	pci_release_regions(pdev);
2177 	pci_disable_device(pdev);
2178 }
2179 
2180 /**
2181  * lpfc_io_error_detected - called when PCI error is detected
2182  * @pdev: Pointer to PCI device
2183  * @state: The current pci conneection state
2184  *
2185  * This function is called after a PCI bus error affecting
2186  * this device has been detected.
2187  */
2188 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2189 				pci_channel_state_t state)
2190 {
2191 	struct Scsi_Host *shost = pci_get_drvdata(pdev);
2192 	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2193 	struct lpfc_sli *psli = &phba->sli;
2194 	struct lpfc_sli_ring  *pring;
2195 
2196 	if (state == pci_channel_io_perm_failure)
2197 		return PCI_ERS_RESULT_DISCONNECT;
2198 
2199 	pci_disable_device(pdev);
2200 	/*
2201 	 * There may be I/Os dropped by the firmware.
2202 	 * Error iocb (I/O) on txcmplq and let the SCSI layer
2203 	 * retry it after re-establishing link.
2204 	 */
2205 	pring = &psli->ring[psli->fcp_ring];
2206 	lpfc_sli_abort_iocb_ring(phba, pring);
2207 
2208 	/* Release the irq reservation */
2209 	free_irq(phba->pcidev->irq, phba);
2210 	if (phba->using_msi)
2211 		pci_disable_msi(phba->pcidev);
2212 
2213 	/* Request a slot reset. */
2214 	return PCI_ERS_RESULT_NEED_RESET;
2215 }
2216 
2217 /**
2218  * lpfc_io_slot_reset - called after the pci bus has been reset.
2219  * @pdev: Pointer to PCI device
2220  *
2221  * Restart the card from scratch, as if from a cold-boot.
2222  */
2223 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2224 {
2225 	struct Scsi_Host *shost = pci_get_drvdata(pdev);
2226 	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2227 	struct lpfc_sli *psli = &phba->sli;
2228 	int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2229 
2230 	dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2231 	if (pci_enable_device_bars(pdev, bars)) {
2232 		printk(KERN_ERR "lpfc: Cannot re-enable "
2233 			"PCI device after reset.\n");
2234 		return PCI_ERS_RESULT_DISCONNECT;
2235 	}
2236 
2237 	pci_set_master(pdev);
2238 
2239 	/* Re-establishing Link */
2240 	spin_lock_irq(shost->host_lock);
2241 	phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2242 	spin_unlock_irq(shost->host_lock);
2243 
2244 	spin_lock_irq(&phba->hbalock);
2245 	psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2246 	spin_unlock_irq(&phba->hbalock);
2247 
2248 
2249 	/* Take device offline; this will perform cleanup */
2250 	lpfc_offline(phba);
2251 	lpfc_sli_brdrestart(phba);
2252 
2253 	return PCI_ERS_RESULT_RECOVERED;
2254 }
2255 
2256 /**
2257  * lpfc_io_resume - called when traffic can start flowing again.
2258  * @pdev: Pointer to PCI device
2259  *
2260  * This callback is called when the error recovery driver tells us that
2261  * its OK to resume normal operation.
2262  */
2263 static void lpfc_io_resume(struct pci_dev *pdev)
2264 {
2265 	struct Scsi_Host *shost = pci_get_drvdata(pdev);
2266 	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2267 
2268 	if (lpfc_online(phba) == 0) {
2269 		mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2270 	}
2271 }
2272 
2273 static struct pci_device_id lpfc_id_table[] = {
2274 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2275 		PCI_ANY_ID, PCI_ANY_ID, },
2276 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2277 		PCI_ANY_ID, PCI_ANY_ID, },
2278 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2279 		PCI_ANY_ID, PCI_ANY_ID, },
2280 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2281 		PCI_ANY_ID, PCI_ANY_ID, },
2282 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2283 		PCI_ANY_ID, PCI_ANY_ID, },
2284 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2285 		PCI_ANY_ID, PCI_ANY_ID, },
2286 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2287 		PCI_ANY_ID, PCI_ANY_ID, },
2288 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2289 		PCI_ANY_ID, PCI_ANY_ID, },
2290 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2291 		PCI_ANY_ID, PCI_ANY_ID, },
2292 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2293 		PCI_ANY_ID, PCI_ANY_ID, },
2294 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2295 		PCI_ANY_ID, PCI_ANY_ID, },
2296 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2297 		PCI_ANY_ID, PCI_ANY_ID, },
2298 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2299 		PCI_ANY_ID, PCI_ANY_ID, },
2300 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2301 		PCI_ANY_ID, PCI_ANY_ID, },
2302 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2303 		PCI_ANY_ID, PCI_ANY_ID, },
2304 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2305 		PCI_ANY_ID, PCI_ANY_ID, },
2306 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2307 		PCI_ANY_ID, PCI_ANY_ID, },
2308 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2309 		PCI_ANY_ID, PCI_ANY_ID, },
2310 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2311 		PCI_ANY_ID, PCI_ANY_ID, },
2312 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2313 		PCI_ANY_ID, PCI_ANY_ID, },
2314 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2315 		PCI_ANY_ID, PCI_ANY_ID, },
2316 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2317 		PCI_ANY_ID, PCI_ANY_ID, },
2318 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2319 		PCI_ANY_ID, PCI_ANY_ID, },
2320 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2321 		PCI_ANY_ID, PCI_ANY_ID, },
2322 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2323 		PCI_ANY_ID, PCI_ANY_ID, },
2324 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2325 		PCI_ANY_ID, PCI_ANY_ID, },
2326 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2327 		PCI_ANY_ID, PCI_ANY_ID, },
2328 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2329 		PCI_ANY_ID, PCI_ANY_ID, },
2330 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2331 		PCI_ANY_ID, PCI_ANY_ID, },
2332 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2333 		PCI_ANY_ID, PCI_ANY_ID, },
2334 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2335 		PCI_ANY_ID, PCI_ANY_ID, },
2336 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2337 		PCI_ANY_ID, PCI_ANY_ID, },
2338 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2339 		PCI_ANY_ID, PCI_ANY_ID, },
2340 	{ 0 }
2341 };
2342 
2343 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2344 
2345 static struct pci_error_handlers lpfc_err_handler = {
2346 	.error_detected = lpfc_io_error_detected,
2347 	.slot_reset = lpfc_io_slot_reset,
2348 	.resume = lpfc_io_resume,
2349 };
2350 
2351 static struct pci_driver lpfc_driver = {
2352 	.name		= LPFC_DRIVER_NAME,
2353 	.id_table	= lpfc_id_table,
2354 	.probe		= lpfc_pci_probe_one,
2355 	.remove		= __devexit_p(lpfc_pci_remove_one),
2356 	.err_handler    = &lpfc_err_handler,
2357 };
2358 
2359 static int __init
2360 lpfc_init(void)
2361 {
2362 	int error = 0;
2363 
2364 	printk(LPFC_MODULE_DESC "\n");
2365 	printk(LPFC_COPYRIGHT "\n");
2366 
2367 	if (lpfc_enable_npiv) {
2368 		lpfc_transport_functions.vport_create = lpfc_vport_create;
2369 		lpfc_transport_functions.vport_delete = lpfc_vport_delete;
2370 	}
2371 	lpfc_transport_template =
2372 				fc_attach_transport(&lpfc_transport_functions);
2373 	if (lpfc_transport_template == NULL)
2374 		return -ENOMEM;
2375 	if (lpfc_enable_npiv) {
2376 		lpfc_vport_transport_template =
2377 			fc_attach_transport(&lpfc_vport_transport_functions);
2378 		if (lpfc_vport_transport_template == NULL) {
2379 			fc_release_transport(lpfc_transport_template);
2380 			return -ENOMEM;
2381 		}
2382 	}
2383 	error = pci_register_driver(&lpfc_driver);
2384 	if (error) {
2385 		fc_release_transport(lpfc_transport_template);
2386 		fc_release_transport(lpfc_vport_transport_template);
2387 	}
2388 
2389 	return error;
2390 }
2391 
2392 static void __exit
2393 lpfc_exit(void)
2394 {
2395 	pci_unregister_driver(&lpfc_driver);
2396 	fc_release_transport(lpfc_transport_template);
2397 	if (lpfc_enable_npiv)
2398 		fc_release_transport(lpfc_vport_transport_template);
2399 }
2400 
2401 module_init(lpfc_init);
2402 module_exit(lpfc_exit);
2403 MODULE_LICENSE("GPL");
2404 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2405 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2406 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
2407