xref: /linux/drivers/scsi/lpfc/lpfc_init.c (revision 606d099cdd1080bbb50ea50dc52d98252f8f10a1)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2004-2006 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 
31 #include <scsi/scsi.h>
32 #include <scsi/scsi_device.h>
33 #include <scsi/scsi_host.h>
34 #include <scsi/scsi_transport_fc.h>
35 
36 #include "lpfc_hw.h"
37 #include "lpfc_sli.h"
38 #include "lpfc_disc.h"
39 #include "lpfc_scsi.h"
40 #include "lpfc.h"
41 #include "lpfc_logmsg.h"
42 #include "lpfc_crtn.h"
43 #include "lpfc_version.h"
44 
45 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
46 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
47 static int lpfc_post_rcv_buf(struct lpfc_hba *);
48 
49 static struct scsi_transport_template *lpfc_transport_template = NULL;
50 static DEFINE_IDR(lpfc_hba_index);
51 
52 /************************************************************************/
53 /*                                                                      */
54 /*    lpfc_config_port_prep                                             */
55 /*    This routine will do LPFC initialization prior to the             */
56 /*    CONFIG_PORT mailbox command. This will be initialized             */
57 /*    as a SLI layer callback routine.                                  */
58 /*    This routine returns 0 on success or -ERESTART if it wants        */
59 /*    the SLI layer to reset the HBA and try again. Any                 */
60 /*    other return value indicates an error.                            */
61 /*                                                                      */
62 /************************************************************************/
63 int
64 lpfc_config_port_prep(struct lpfc_hba * phba)
65 {
66 	lpfc_vpd_t *vp = &phba->vpd;
67 	int i = 0, rc;
68 	LPFC_MBOXQ_t *pmb;
69 	MAILBOX_t *mb;
70 	char *lpfc_vpd_data = NULL;
71 	uint16_t offset = 0;
72 	static char licensed[56] =
73 		    "key unlock for use with gnu public licensed code only\0";
74 	static int init_key = 1;
75 
76 	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
77 	if (!pmb) {
78 		phba->hba_state = LPFC_HBA_ERROR;
79 		return -ENOMEM;
80 	}
81 
82 	mb = &pmb->mb;
83 	phba->hba_state = LPFC_INIT_MBX_CMDS;
84 
85 	if (lpfc_is_LC_HBA(phba->pcidev->device)) {
86 		if (init_key) {
87 			uint32_t *ptext = (uint32_t *) licensed;
88 
89 			for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
90 				*ptext = cpu_to_be32(*ptext);
91 			init_key = 0;
92 		}
93 
94 		lpfc_read_nv(phba, pmb);
95 		memset((char*)mb->un.varRDnvp.rsvd3, 0,
96 			sizeof (mb->un.varRDnvp.rsvd3));
97 		memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
98 			 sizeof (licensed));
99 
100 		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
101 
102 		if (rc != MBX_SUCCESS) {
103 			lpfc_printf_log(phba,
104 					KERN_ERR,
105 					LOG_MBOX,
106 					"%d:0324 Config Port initialization "
107 					"error, mbxCmd x%x READ_NVPARM, "
108 					"mbxStatus x%x\n",
109 					phba->brd_no,
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 (mb->un.varRDnvp.nodename));
116 	}
117 
118 	/* Setup and issue mailbox READ REV command */
119 	lpfc_read_rev(phba, pmb);
120 	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
121 	if (rc != MBX_SUCCESS) {
122 		lpfc_printf_log(phba,
123 				KERN_ERR,
124 				LOG_INIT,
125 				"%d:0439 Adapter failed to init, mbxCmd x%x "
126 				"READ_REV, mbxStatus x%x\n",
127 				phba->brd_no,
128 				mb->mbxCommand, mb->mbxStatus);
129 		mempool_free( pmb, phba->mbox_mem_pool);
130 		return -ERESTART;
131 	}
132 
133 	/*
134 	 * The value of rr must be 1 since the driver set the cv field to 1.
135 	 * This setting requires the FW to set all revision fields.
136 	 */
137 	if (mb->un.varRdRev.rr == 0) {
138 		vp->rev.rBit = 0;
139 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
140 				"%d:0440 Adapter failed to init, READ_REV has "
141 				"missing revision information.\n",
142 				phba->brd_no);
143 		mempool_free(pmb, phba->mbox_mem_pool);
144 		return -ERESTART;
145 	}
146 
147 	/* Save information as VPD data */
148 	vp->rev.rBit = 1;
149 	vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
150 	memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
151 	vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
152 	memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
153 	vp->rev.biuRev = mb->un.varRdRev.biuRev;
154 	vp->rev.smRev = mb->un.varRdRev.smRev;
155 	vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
156 	vp->rev.endecRev = mb->un.varRdRev.endecRev;
157 	vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
158 	vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
159 	vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
160 	vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
161 	vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
162 	vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
163 
164 	if (lpfc_is_LC_HBA(phba->pcidev->device))
165 		memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
166 						sizeof (phba->RandomData));
167 
168 	/* Get adapter VPD information */
169 	pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
170 	if (!pmb->context2)
171 		goto out_free_mbox;
172 	lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
173 	if (!lpfc_vpd_data)
174 		goto out_free_context2;
175 
176 	do {
177 		lpfc_dump_mem(phba, pmb, offset);
178 		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
179 
180 		if (rc != MBX_SUCCESS) {
181 			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
182 					"%d:0441 VPD not present on adapter, "
183 					"mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
184 					phba->brd_no,
185 					mb->mbxCommand, mb->mbxStatus);
186 			mb->un.varDmp.word_cnt = 0;
187 		}
188 		if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
189 			mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
190 		lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
191 							mb->un.varDmp.word_cnt);
192 		offset += mb->un.varDmp.word_cnt;
193 	} while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
194 	lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
195 
196 	kfree(lpfc_vpd_data);
197 out_free_context2:
198 	kfree(pmb->context2);
199 out_free_mbox:
200 	mempool_free(pmb, phba->mbox_mem_pool);
201 	return 0;
202 }
203 
204 /************************************************************************/
205 /*                                                                      */
206 /*    lpfc_config_port_post                                             */
207 /*    This routine will do LPFC initialization after the                */
208 /*    CONFIG_PORT mailbox command. This will be initialized             */
209 /*    as a SLI layer callback routine.                                  */
210 /*    This routine returns 0 on success. Any other return value         */
211 /*    indicates an error.                                               */
212 /*                                                                      */
213 /************************************************************************/
214 int
215 lpfc_config_port_post(struct lpfc_hba * phba)
216 {
217 	LPFC_MBOXQ_t *pmb;
218 	MAILBOX_t *mb;
219 	struct lpfc_dmabuf *mp;
220 	struct lpfc_sli *psli = &phba->sli;
221 	uint32_t status, timeout;
222 	int i, j, rc;
223 
224 	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
225 	if (!pmb) {
226 		phba->hba_state = LPFC_HBA_ERROR;
227 		return -ENOMEM;
228 	}
229 	mb = &pmb->mb;
230 
231 	lpfc_config_link(phba, pmb);
232 	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
233 	if (rc != MBX_SUCCESS) {
234 		lpfc_printf_log(phba,
235 				KERN_ERR,
236 				LOG_INIT,
237 				"%d:0447 Adapter failed init, mbxCmd x%x "
238 				"CONFIG_LINK mbxStatus x%x\n",
239 				phba->brd_no,
240 				mb->mbxCommand, mb->mbxStatus);
241 		phba->hba_state = LPFC_HBA_ERROR;
242 		mempool_free( pmb, phba->mbox_mem_pool);
243 		return -EIO;
244 	}
245 
246 	/* Get login parameters for NID.  */
247 	lpfc_read_sparam(phba, pmb);
248 	if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
249 		lpfc_printf_log(phba,
250 				KERN_ERR,
251 				LOG_INIT,
252 				"%d:0448 Adapter failed init, mbxCmd x%x "
253 				"READ_SPARM mbxStatus x%x\n",
254 				phba->brd_no,
255 				mb->mbxCommand, mb->mbxStatus);
256 		phba->hba_state = LPFC_HBA_ERROR;
257 		mp = (struct lpfc_dmabuf *) pmb->context1;
258 		mempool_free( pmb, phba->mbox_mem_pool);
259 		lpfc_mbuf_free(phba, mp->virt, mp->phys);
260 		kfree(mp);
261 		return -EIO;
262 	}
263 
264 	mp = (struct lpfc_dmabuf *) pmb->context1;
265 
266 	memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
267 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
268 	kfree(mp);
269 	pmb->context1 = NULL;
270 
271 	if (phba->cfg_soft_wwnn)
272 		u64_to_wwn(phba->cfg_soft_wwnn, phba->fc_sparam.nodeName.u.wwn);
273 	if (phba->cfg_soft_wwpn)
274 		u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn);
275 	memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
276 	       sizeof (struct lpfc_name));
277 	memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
278 	       sizeof (struct lpfc_name));
279 	/* If no serial number in VPD data, use low 6 bytes of WWNN */
280 	/* This should be consolidated into parse_vpd ? - mr */
281 	if (phba->SerialNumber[0] == 0) {
282 		uint8_t *outptr;
283 
284 		outptr = &phba->fc_nodename.u.s.IEEE[0];
285 		for (i = 0; i < 12; i++) {
286 			status = *outptr++;
287 			j = ((status & 0xf0) >> 4);
288 			if (j <= 9)
289 				phba->SerialNumber[i] =
290 				    (char)((uint8_t) 0x30 + (uint8_t) j);
291 			else
292 				phba->SerialNumber[i] =
293 				    (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
294 			i++;
295 			j = (status & 0xf);
296 			if (j <= 9)
297 				phba->SerialNumber[i] =
298 				    (char)((uint8_t) 0x30 + (uint8_t) j);
299 			else
300 				phba->SerialNumber[i] =
301 				    (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
302 		}
303 	}
304 
305 	lpfc_read_config(phba, pmb);
306 	if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
307 		lpfc_printf_log(phba,
308 				KERN_ERR,
309 				LOG_INIT,
310 				"%d:0453 Adapter failed to init, mbxCmd x%x "
311 				"READ_CONFIG, mbxStatus x%x\n",
312 				phba->brd_no,
313 				mb->mbxCommand, mb->mbxStatus);
314 		phba->hba_state = LPFC_HBA_ERROR;
315 		mempool_free( pmb, phba->mbox_mem_pool);
316 		return -EIO;
317 	}
318 
319 	/* Reset the DFT_HBA_Q_DEPTH to the max xri  */
320 	if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
321 		phba->cfg_hba_queue_depth =
322 			mb->un.varRdConfig.max_xri + 1;
323 
324 	phba->lmt = mb->un.varRdConfig.lmt;
325 
326 	/* Get the default values for Model Name and Description */
327 	lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
328 
329 	if ((phba->cfg_link_speed > LINK_SPEED_10G)
330 	    || ((phba->cfg_link_speed == LINK_SPEED_1G)
331 		&& !(phba->lmt & LMT_1Gb))
332 	    || ((phba->cfg_link_speed == LINK_SPEED_2G)
333 		&& !(phba->lmt & LMT_2Gb))
334 	    || ((phba->cfg_link_speed == LINK_SPEED_4G)
335 		&& !(phba->lmt & LMT_4Gb))
336 	    || ((phba->cfg_link_speed == LINK_SPEED_8G)
337 		&& !(phba->lmt & LMT_8Gb))
338 	    || ((phba->cfg_link_speed == LINK_SPEED_10G)
339 		&& !(phba->lmt & LMT_10Gb))) {
340 		/* Reset link speed to auto */
341 		lpfc_printf_log(phba,
342 			KERN_WARNING,
343 			LOG_LINK_EVENT,
344 			"%d:1302 Invalid speed for this board: "
345 			"Reset link speed to auto: x%x\n",
346 			phba->brd_no,
347 			phba->cfg_link_speed);
348 			phba->cfg_link_speed = LINK_SPEED_AUTO;
349 	}
350 
351 	phba->hba_state = LPFC_LINK_DOWN;
352 
353 	/* Only process IOCBs on ring 0 till hba_state is READY */
354 	if (psli->ring[psli->extra_ring].cmdringaddr)
355 		psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
356 	if (psli->ring[psli->fcp_ring].cmdringaddr)
357 		psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
358 	if (psli->ring[psli->next_ring].cmdringaddr)
359 		psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
360 
361 	/* Post receive buffers for desired rings */
362 	lpfc_post_rcv_buf(phba);
363 
364 	/* Enable appropriate host interrupts */
365 	spin_lock_irq(phba->host->host_lock);
366 	status = readl(phba->HCregaddr);
367 	status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
368 	if (psli->num_rings > 0)
369 		status |= HC_R0INT_ENA;
370 	if (psli->num_rings > 1)
371 		status |= HC_R1INT_ENA;
372 	if (psli->num_rings > 2)
373 		status |= HC_R2INT_ENA;
374 	if (psli->num_rings > 3)
375 		status |= HC_R3INT_ENA;
376 
377 	if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
378 	    (phba->cfg_poll & DISABLE_FCP_RING_INT))
379 		status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
380 
381 	writel(status, phba->HCregaddr);
382 	readl(phba->HCregaddr); /* flush */
383 	spin_unlock_irq(phba->host->host_lock);
384 
385 	/*
386 	 * Setup the ring 0 (els)  timeout handler
387 	 */
388 	timeout = phba->fc_ratov << 1;
389 	phba->els_tmofunc.expires = jiffies + HZ * timeout;
390 	add_timer(&phba->els_tmofunc);
391 
392 	lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
393 	pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
394 	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
395 	if (rc != MBX_SUCCESS) {
396 		lpfc_printf_log(phba,
397 				KERN_ERR,
398 				LOG_INIT,
399 				"%d:0454 Adapter failed to init, mbxCmd x%x "
400 				"INIT_LINK, mbxStatus x%x\n",
401 				phba->brd_no,
402 				mb->mbxCommand, mb->mbxStatus);
403 
404 		/* Clear all interrupt enable conditions */
405 		writel(0, phba->HCregaddr);
406 		readl(phba->HCregaddr); /* flush */
407 		/* Clear all pending interrupts */
408 		writel(0xffffffff, phba->HAregaddr);
409 		readl(phba->HAregaddr); /* flush */
410 
411 		phba->hba_state = LPFC_HBA_ERROR;
412 		if (rc != MBX_BUSY)
413 			mempool_free(pmb, phba->mbox_mem_pool);
414 		return -EIO;
415 	}
416 	/* MBOX buffer will be freed in mbox compl */
417 
418 	return (0);
419 }
420 
421 static int
422 lpfc_discovery_wait(struct lpfc_hba *phba)
423 {
424 	int i = 0;
425 
426 	while ((phba->hba_state != LPFC_HBA_READY) ||
427 	       (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
428 	       ((phba->fc_map_cnt == 0) && (i<2)) ||
429 	       (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
430 		/* Check every second for 30 retries. */
431 		i++;
432 		if (i > 30) {
433 			return -ETIMEDOUT;
434 		}
435 		if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
436 			/* The link is down.  Set linkdown timeout */
437 			return -ETIMEDOUT;
438 		}
439 
440 		/* Delay for 1 second to give discovery time to complete. */
441 		msleep(1000);
442 
443 	}
444 
445 	return 0;
446 }
447 
448 /************************************************************************/
449 /*                                                                      */
450 /*    lpfc_hba_down_prep                                                */
451 /*    This routine will do LPFC uninitialization before the             */
452 /*    HBA is reset when bringing down the SLI Layer. This will be       */
453 /*    initialized as a SLI layer callback routine.                      */
454 /*    This routine returns 0 on success. Any other return value         */
455 /*    indicates an error.                                               */
456 /*                                                                      */
457 /************************************************************************/
458 int
459 lpfc_hba_down_prep(struct lpfc_hba * phba)
460 {
461 	/* Disable interrupts */
462 	writel(0, phba->HCregaddr);
463 	readl(phba->HCregaddr); /* flush */
464 
465 	/* Cleanup potential discovery resources */
466 	lpfc_els_flush_rscn(phba);
467 	lpfc_els_flush_cmd(phba);
468 	lpfc_disc_flush_list(phba);
469 
470 	return (0);
471 }
472 
473 /************************************************************************/
474 /*                                                                      */
475 /*    lpfc_hba_down_post                                                */
476 /*    This routine will do uninitialization after the HBA is reset      */
477 /*    when bringing down the SLI Layer.                                 */
478 /*    This routine returns 0 on success. Any other return value         */
479 /*    indicates an error.                                               */
480 /*                                                                      */
481 /************************************************************************/
482 int
483 lpfc_hba_down_post(struct lpfc_hba * phba)
484 {
485 	struct lpfc_sli *psli = &phba->sli;
486 	struct lpfc_sli_ring *pring;
487 	struct lpfc_dmabuf *mp, *next_mp;
488 	int i;
489 
490 	/* Cleanup preposted buffers on the ELS ring */
491 	pring = &psli->ring[LPFC_ELS_RING];
492 	list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
493 		list_del(&mp->list);
494 		pring->postbufq_cnt--;
495 		lpfc_mbuf_free(phba, mp->virt, mp->phys);
496 		kfree(mp);
497 	}
498 
499 	for (i = 0; i < psli->num_rings; i++) {
500 		pring = &psli->ring[i];
501 		lpfc_sli_abort_iocb_ring(phba, pring);
502 	}
503 
504 	return 0;
505 }
506 
507 /************************************************************************/
508 /*                                                                      */
509 /*    lpfc_handle_eratt                                                 */
510 /*    This routine will handle processing a Host Attention              */
511 /*    Error Status event. This will be initialized                      */
512 /*    as a SLI layer callback routine.                                  */
513 /*                                                                      */
514 /************************************************************************/
515 void
516 lpfc_handle_eratt(struct lpfc_hba * phba)
517 {
518 	struct lpfc_sli *psli = &phba->sli;
519 	struct lpfc_sli_ring  *pring;
520 	uint32_t event_data;
521 
522 	if (phba->work_hs & HS_FFER6 ||
523 	    phba->work_hs & HS_FFER5) {
524 		/* Re-establishing Link */
525 		lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
526 				"%d:1301 Re-establishing Link "
527 				"Data: x%x x%x x%x\n",
528 				phba->brd_no, phba->work_hs,
529 				phba->work_status[0], phba->work_status[1]);
530 		spin_lock_irq(phba->host->host_lock);
531 		phba->fc_flag |= FC_ESTABLISH_LINK;
532 		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
533 		spin_unlock_irq(phba->host->host_lock);
534 
535 		/*
536 		* Firmware stops when it triggled erratt with HS_FFER6.
537 		* That could cause the I/Os dropped by the firmware.
538 		* Error iocb (I/O) on txcmplq and let the SCSI layer
539 		* retry it after re-establishing link.
540 		*/
541 		pring = &psli->ring[psli->fcp_ring];
542 		lpfc_sli_abort_iocb_ring(phba, pring);
543 
544 
545 		/*
546 		 * There was a firmware error.  Take the hba offline and then
547 		 * attempt to restart it.
548 		 */
549 		lpfc_offline(phba);
550 		lpfc_sli_brdrestart(phba);
551 		if (lpfc_online(phba) == 0) {	/* Initialize the HBA */
552 			mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
553 			return;
554 		}
555 	} else {
556 		/* The if clause above forces this code path when the status
557 		 * failure is a value other than FFER6.  Do not call the offline
558 		 *  twice. This is the adapter hardware error path.
559 		 */
560 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
561 				"%d:0457 Adapter Hardware Error "
562 				"Data: x%x x%x x%x\n",
563 				phba->brd_no, phba->work_hs,
564 				phba->work_status[0], phba->work_status[1]);
565 
566 		event_data = FC_REG_DUMP_EVENT;
567 		fc_host_post_vendor_event(phba->host, fc_get_event_number(),
568 				sizeof(event_data), (char *) &event_data,
569 				SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
570 
571 		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
572 		lpfc_offline(phba);
573 		phba->hba_state = LPFC_HBA_ERROR;
574 		lpfc_hba_down_post(phba);
575 	}
576 }
577 
578 /************************************************************************/
579 /*                                                                      */
580 /*    lpfc_handle_latt                                                  */
581 /*    This routine will handle processing a Host Attention              */
582 /*    Link Status event. This will be initialized                       */
583 /*    as a SLI layer callback routine.                                  */
584 /*                                                                      */
585 /************************************************************************/
586 void
587 lpfc_handle_latt(struct lpfc_hba * phba)
588 {
589 	struct lpfc_sli *psli = &phba->sli;
590 	LPFC_MBOXQ_t *pmb;
591 	volatile uint32_t control;
592 	struct lpfc_dmabuf *mp;
593 	int rc = -ENOMEM;
594 
595 	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
596 	if (!pmb)
597 		goto lpfc_handle_latt_err_exit;
598 
599 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
600 	if (!mp)
601 		goto lpfc_handle_latt_free_pmb;
602 
603 	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
604 	if (!mp->virt)
605 		goto lpfc_handle_latt_free_mp;
606 
607 	rc = -EIO;
608 
609 	/* Cleanup any outstanding ELS commands */
610 	lpfc_els_flush_cmd(phba);
611 
612 	psli->slistat.link_event++;
613 	lpfc_read_la(phba, pmb, mp);
614 	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
615 	rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
616 	if (rc == MBX_NOT_FINISHED)
617 		goto lpfc_handle_latt_free_mbuf;
618 
619 	/* Clear Link Attention in HA REG */
620 	spin_lock_irq(phba->host->host_lock);
621 	writel(HA_LATT, phba->HAregaddr);
622 	readl(phba->HAregaddr); /* flush */
623 	spin_unlock_irq(phba->host->host_lock);
624 
625 	return;
626 
627 lpfc_handle_latt_free_mbuf:
628 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
629 lpfc_handle_latt_free_mp:
630 	kfree(mp);
631 lpfc_handle_latt_free_pmb:
632 	kfree(pmb);
633 lpfc_handle_latt_err_exit:
634 	/* Enable Link attention interrupts */
635 	spin_lock_irq(phba->host->host_lock);
636 	psli->sli_flag |= LPFC_PROCESS_LA;
637 	control = readl(phba->HCregaddr);
638 	control |= HC_LAINT_ENA;
639 	writel(control, phba->HCregaddr);
640 	readl(phba->HCregaddr); /* flush */
641 
642 	/* Clear Link Attention in HA REG */
643 	writel(HA_LATT, phba->HAregaddr);
644 	readl(phba->HAregaddr); /* flush */
645 	spin_unlock_irq(phba->host->host_lock);
646 	lpfc_linkdown(phba);
647 	phba->hba_state = LPFC_HBA_ERROR;
648 
649 	/* The other case is an error from issue_mbox */
650 	if (rc == -ENOMEM)
651 		lpfc_printf_log(phba,
652 				KERN_WARNING,
653 				LOG_MBOX,
654 			        "%d:0300 READ_LA: no buffers\n",
655 				phba->brd_no);
656 
657 	return;
658 }
659 
660 /************************************************************************/
661 /*                                                                      */
662 /*   lpfc_parse_vpd                                                     */
663 /*   This routine will parse the VPD data                               */
664 /*                                                                      */
665 /************************************************************************/
666 static int
667 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd, int len)
668 {
669 	uint8_t lenlo, lenhi;
670 	uint32_t Length;
671 	int i, j;
672 	int finished = 0;
673 	int index = 0;
674 
675 	if (!vpd)
676 		return 0;
677 
678 	/* Vital Product */
679 	lpfc_printf_log(phba,
680 			KERN_INFO,
681 			LOG_INIT,
682 			"%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
683 			phba->brd_no,
684 			(uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
685 			(uint32_t) vpd[3]);
686 	while (!finished && (index < (len - 4))) {
687 		switch (vpd[index]) {
688 		case 0x82:
689 		case 0x91:
690 			index += 1;
691 			lenlo = vpd[index];
692 			index += 1;
693 			lenhi = vpd[index];
694 			index += 1;
695 			i = ((((unsigned short)lenhi) << 8) + lenlo);
696 			index += i;
697 			break;
698 		case 0x90:
699 			index += 1;
700 			lenlo = vpd[index];
701 			index += 1;
702 			lenhi = vpd[index];
703 			index += 1;
704 			Length = ((((unsigned short)lenhi) << 8) + lenlo);
705 			if (Length > len - index)
706 				Length = len - index;
707 			while (Length > 0) {
708 			/* Look for Serial Number */
709 			if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
710 				index += 2;
711 				i = vpd[index];
712 				index += 1;
713 				j = 0;
714 				Length -= (3+i);
715 				while(i--) {
716 					phba->SerialNumber[j++] = vpd[index++];
717 					if (j == 31)
718 						break;
719 				}
720 				phba->SerialNumber[j] = 0;
721 				continue;
722 			}
723 			else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
724 				phba->vpd_flag |= VPD_MODEL_DESC;
725 				index += 2;
726 				i = vpd[index];
727 				index += 1;
728 				j = 0;
729 				Length -= (3+i);
730 				while(i--) {
731 					phba->ModelDesc[j++] = vpd[index++];
732 					if (j == 255)
733 						break;
734 				}
735 				phba->ModelDesc[j] = 0;
736 				continue;
737 			}
738 			else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
739 				phba->vpd_flag |= VPD_MODEL_NAME;
740 				index += 2;
741 				i = vpd[index];
742 				index += 1;
743 				j = 0;
744 				Length -= (3+i);
745 				while(i--) {
746 					phba->ModelName[j++] = vpd[index++];
747 					if (j == 79)
748 						break;
749 				}
750 				phba->ModelName[j] = 0;
751 				continue;
752 			}
753 			else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
754 				phba->vpd_flag |= VPD_PROGRAM_TYPE;
755 				index += 2;
756 				i = vpd[index];
757 				index += 1;
758 				j = 0;
759 				Length -= (3+i);
760 				while(i--) {
761 					phba->ProgramType[j++] = vpd[index++];
762 					if (j == 255)
763 						break;
764 				}
765 				phba->ProgramType[j] = 0;
766 				continue;
767 			}
768 			else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
769 				phba->vpd_flag |= VPD_PORT;
770 				index += 2;
771 				i = vpd[index];
772 				index += 1;
773 				j = 0;
774 				Length -= (3+i);
775 				while(i--) {
776 				phba->Port[j++] = vpd[index++];
777 				if (j == 19)
778 					break;
779 				}
780 				phba->Port[j] = 0;
781 				continue;
782 			}
783 			else {
784 				index += 2;
785 				i = vpd[index];
786 				index += 1;
787 				index += i;
788 				Length -= (3 + i);
789 			}
790 		}
791 		finished = 0;
792 		break;
793 		case 0x78:
794 			finished = 1;
795 			break;
796 		default:
797 			index ++;
798 			break;
799 		}
800 	}
801 
802 	return(1);
803 }
804 
805 static void
806 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
807 {
808 	lpfc_vpd_t *vp;
809 	uint16_t dev_id = phba->pcidev->device;
810 	int max_speed;
811 	struct {
812 		char * name;
813 		int    max_speed;
814 		char * bus;
815 	} m = {"<Unknown>", 0, ""};
816 
817 	if (mdp && mdp[0] != '\0'
818 		&& descp && descp[0] != '\0')
819 		return;
820 
821 	if (phba->lmt & LMT_10Gb)
822 		max_speed = 10;
823 	else if (phba->lmt & LMT_8Gb)
824 		max_speed = 8;
825 	else if (phba->lmt & LMT_4Gb)
826 		max_speed = 4;
827 	else if (phba->lmt & LMT_2Gb)
828 		max_speed = 2;
829 	else
830 		max_speed = 1;
831 
832 	vp = &phba->vpd;
833 
834 	switch (dev_id) {
835 	case PCI_DEVICE_ID_FIREFLY:
836 		m = (typeof(m)){"LP6000", max_speed, "PCI"};
837 		break;
838 	case PCI_DEVICE_ID_SUPERFLY:
839 		if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
840 			m = (typeof(m)){"LP7000", max_speed,  "PCI"};
841 		else
842 			m = (typeof(m)){"LP7000E", max_speed, "PCI"};
843 		break;
844 	case PCI_DEVICE_ID_DRAGONFLY:
845 		m = (typeof(m)){"LP8000", max_speed, "PCI"};
846 		break;
847 	case PCI_DEVICE_ID_CENTAUR:
848 		if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
849 			m = (typeof(m)){"LP9002", max_speed, "PCI"};
850 		else
851 			m = (typeof(m)){"LP9000", max_speed, "PCI"};
852 		break;
853 	case PCI_DEVICE_ID_RFLY:
854 		m = (typeof(m)){"LP952", max_speed, "PCI"};
855 		break;
856 	case PCI_DEVICE_ID_PEGASUS:
857 		m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
858 		break;
859 	case PCI_DEVICE_ID_THOR:
860 		m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
861 		break;
862 	case PCI_DEVICE_ID_VIPER:
863 		m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
864 		break;
865 	case PCI_DEVICE_ID_PFLY:
866 		m = (typeof(m)){"LP982", max_speed, "PCI-X"};
867 		break;
868 	case PCI_DEVICE_ID_TFLY:
869 		m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
870 		break;
871 	case PCI_DEVICE_ID_HELIOS:
872 		m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
873 		break;
874 	case PCI_DEVICE_ID_HELIOS_SCSP:
875 		m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
876 		break;
877 	case PCI_DEVICE_ID_HELIOS_DCSP:
878 		m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
879 		break;
880 	case PCI_DEVICE_ID_NEPTUNE:
881 		m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
882 		break;
883 	case PCI_DEVICE_ID_NEPTUNE_SCSP:
884 		m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
885 		break;
886 	case PCI_DEVICE_ID_NEPTUNE_DCSP:
887 		m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
888 		break;
889 	case PCI_DEVICE_ID_BMID:
890 		m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
891 		break;
892 	case PCI_DEVICE_ID_BSMB:
893 		m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
894 		break;
895 	case PCI_DEVICE_ID_ZEPHYR:
896 		m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
897 		break;
898 	case PCI_DEVICE_ID_ZEPHYR_SCSP:
899 		m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
900 		break;
901 	case PCI_DEVICE_ID_ZEPHYR_DCSP:
902 		m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
903 		break;
904 	case PCI_DEVICE_ID_ZMID:
905 		m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
906 		break;
907 	case PCI_DEVICE_ID_ZSMB:
908 		m = (typeof(m)){"LPe111", max_speed, "PCIe"};
909 		break;
910 	case PCI_DEVICE_ID_LP101:
911 		m = (typeof(m)){"LP101", max_speed, "PCI-X"};
912 		break;
913 	case PCI_DEVICE_ID_LP10000S:
914 		m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
915 		break;
916 	case PCI_DEVICE_ID_LP11000S:
917 		m = (typeof(m)){"LP11000-S", max_speed,
918 			"PCI-X2"};
919 		break;
920 	case PCI_DEVICE_ID_LPE11000S:
921 		m = (typeof(m)){"LPe11000-S", max_speed,
922 			"PCIe"};
923 		break;
924 	default:
925 		m = (typeof(m)){ NULL };
926 		break;
927 	}
928 
929 	if (mdp && mdp[0] == '\0')
930 		snprintf(mdp, 79,"%s", m.name);
931 	if (descp && descp[0] == '\0')
932 		snprintf(descp, 255,
933 			 "Emulex %s %dGb %s Fibre Channel Adapter",
934 			 m.name, m.max_speed, m.bus);
935 }
936 
937 /**************************************************/
938 /*   lpfc_post_buffer                             */
939 /*                                                */
940 /*   This routine will post count buffers to the  */
941 /*   ring with the QUE_RING_BUF_CN command. This  */
942 /*   allows 3 buffers / command to be posted.     */
943 /*   Returns the number of buffers NOT posted.    */
944 /**************************************************/
945 int
946 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
947 		 int type)
948 {
949 	IOCB_t *icmd;
950 	struct lpfc_iocbq *iocb;
951 	struct lpfc_dmabuf *mp1, *mp2;
952 
953 	cnt += pring->missbufcnt;
954 
955 	/* While there are buffers to post */
956 	while (cnt > 0) {
957 		/* Allocate buffer for  command iocb */
958 		spin_lock_irq(phba->host->host_lock);
959 		iocb = lpfc_sli_get_iocbq(phba);
960 		spin_unlock_irq(phba->host->host_lock);
961 		if (iocb == NULL) {
962 			pring->missbufcnt = cnt;
963 			return cnt;
964 		}
965 		icmd = &iocb->iocb;
966 
967 		/* 2 buffers can be posted per command */
968 		/* Allocate buffer to post */
969 		mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
970 		if (mp1)
971 		    mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
972 						&mp1->phys);
973 		if (mp1 == 0 || mp1->virt == 0) {
974 			kfree(mp1);
975 			spin_lock_irq(phba->host->host_lock);
976 			lpfc_sli_release_iocbq(phba, iocb);
977 			spin_unlock_irq(phba->host->host_lock);
978 			pring->missbufcnt = cnt;
979 			return cnt;
980 		}
981 
982 		INIT_LIST_HEAD(&mp1->list);
983 		/* Allocate buffer to post */
984 		if (cnt > 1) {
985 			mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
986 			if (mp2)
987 				mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
988 							    &mp2->phys);
989 			if (mp2 == 0 || mp2->virt == 0) {
990 				kfree(mp2);
991 				lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
992 				kfree(mp1);
993 				spin_lock_irq(phba->host->host_lock);
994 				lpfc_sli_release_iocbq(phba, iocb);
995 				spin_unlock_irq(phba->host->host_lock);
996 				pring->missbufcnt = cnt;
997 				return cnt;
998 			}
999 
1000 			INIT_LIST_HEAD(&mp2->list);
1001 		} else {
1002 			mp2 = NULL;
1003 		}
1004 
1005 		icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1006 		icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1007 		icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1008 		icmd->ulpBdeCount = 1;
1009 		cnt--;
1010 		if (mp2) {
1011 			icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1012 			icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1013 			icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1014 			cnt--;
1015 			icmd->ulpBdeCount = 2;
1016 		}
1017 
1018 		icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1019 		icmd->ulpLe = 1;
1020 
1021 		spin_lock_irq(phba->host->host_lock);
1022 		if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1023 			lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1024 			kfree(mp1);
1025 			cnt++;
1026 			if (mp2) {
1027 				lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1028 				kfree(mp2);
1029 				cnt++;
1030 			}
1031 			lpfc_sli_release_iocbq(phba, iocb);
1032 			pring->missbufcnt = cnt;
1033 			spin_unlock_irq(phba->host->host_lock);
1034 			return cnt;
1035 		}
1036 		spin_unlock_irq(phba->host->host_lock);
1037 		lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1038 		if (mp2) {
1039 			lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1040 		}
1041 	}
1042 	pring->missbufcnt = 0;
1043 	return 0;
1044 }
1045 
1046 /************************************************************************/
1047 /*                                                                      */
1048 /*   lpfc_post_rcv_buf                                                  */
1049 /*   This routine post initial rcv buffers to the configured rings      */
1050 /*                                                                      */
1051 /************************************************************************/
1052 static int
1053 lpfc_post_rcv_buf(struct lpfc_hba * phba)
1054 {
1055 	struct lpfc_sli *psli = &phba->sli;
1056 
1057 	/* Ring 0, ELS / CT buffers */
1058 	lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1059 	/* Ring 2 - FCP no buffers needed */
1060 
1061 	return 0;
1062 }
1063 
1064 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1065 
1066 /************************************************************************/
1067 /*                                                                      */
1068 /*   lpfc_sha_init                                                      */
1069 /*                                                                      */
1070 /************************************************************************/
1071 static void
1072 lpfc_sha_init(uint32_t * HashResultPointer)
1073 {
1074 	HashResultPointer[0] = 0x67452301;
1075 	HashResultPointer[1] = 0xEFCDAB89;
1076 	HashResultPointer[2] = 0x98BADCFE;
1077 	HashResultPointer[3] = 0x10325476;
1078 	HashResultPointer[4] = 0xC3D2E1F0;
1079 }
1080 
1081 /************************************************************************/
1082 /*                                                                      */
1083 /*   lpfc_sha_iterate                                                   */
1084 /*                                                                      */
1085 /************************************************************************/
1086 static void
1087 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1088 {
1089 	int t;
1090 	uint32_t TEMP;
1091 	uint32_t A, B, C, D, E;
1092 	t = 16;
1093 	do {
1094 		HashWorkingPointer[t] =
1095 		    S(1,
1096 		      HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1097 								     8] ^
1098 		      HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1099 	} while (++t <= 79);
1100 	t = 0;
1101 	A = HashResultPointer[0];
1102 	B = HashResultPointer[1];
1103 	C = HashResultPointer[2];
1104 	D = HashResultPointer[3];
1105 	E = HashResultPointer[4];
1106 
1107 	do {
1108 		if (t < 20) {
1109 			TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1110 		} else if (t < 40) {
1111 			TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1112 		} else if (t < 60) {
1113 			TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1114 		} else {
1115 			TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1116 		}
1117 		TEMP += S(5, A) + E + HashWorkingPointer[t];
1118 		E = D;
1119 		D = C;
1120 		C = S(30, B);
1121 		B = A;
1122 		A = TEMP;
1123 	} while (++t <= 79);
1124 
1125 	HashResultPointer[0] += A;
1126 	HashResultPointer[1] += B;
1127 	HashResultPointer[2] += C;
1128 	HashResultPointer[3] += D;
1129 	HashResultPointer[4] += E;
1130 
1131 }
1132 
1133 /************************************************************************/
1134 /*                                                                      */
1135 /*   lpfc_challenge_key                                                 */
1136 /*                                                                      */
1137 /************************************************************************/
1138 static void
1139 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1140 {
1141 	*HashWorking = (*RandomChallenge ^ *HashWorking);
1142 }
1143 
1144 /************************************************************************/
1145 /*                                                                      */
1146 /*   lpfc_hba_init                                                      */
1147 /*                                                                      */
1148 /************************************************************************/
1149 void
1150 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1151 {
1152 	int t;
1153 	uint32_t *HashWorking;
1154 	uint32_t *pwwnn = phba->wwnn;
1155 
1156 	HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1157 	if (!HashWorking)
1158 		return;
1159 
1160 	memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1161 	HashWorking[0] = HashWorking[78] = *pwwnn++;
1162 	HashWorking[1] = HashWorking[79] = *pwwnn;
1163 
1164 	for (t = 0; t < 7; t++)
1165 		lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1166 
1167 	lpfc_sha_init(hbainit);
1168 	lpfc_sha_iterate(hbainit, HashWorking);
1169 	kfree(HashWorking);
1170 }
1171 
1172 static void
1173 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
1174 {
1175 	struct lpfc_nodelist *ndlp, *next_ndlp;
1176 
1177 	/* clean up phba - lpfc specific */
1178 	lpfc_can_disctmo(phba);
1179 	list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1180 				nlp_listp) {
1181 		lpfc_nlp_remove(phba, ndlp);
1182 	}
1183 
1184 	list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1185 				 nlp_listp) {
1186 		lpfc_nlp_remove(phba, ndlp);
1187 	}
1188 
1189 	list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1190 				nlp_listp) {
1191 		lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1192 	}
1193 
1194 	list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1195 				nlp_listp) {
1196 		lpfc_nlp_remove(phba, ndlp);
1197 	}
1198 
1199 	list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1200 				nlp_listp) {
1201 		lpfc_nlp_remove(phba, ndlp);
1202 	}
1203 
1204 	list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1205 				nlp_listp) {
1206 		lpfc_nlp_remove(phba, ndlp);
1207 	}
1208 
1209 	list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1210 				nlp_listp) {
1211 		lpfc_nlp_remove(phba, ndlp);
1212 	}
1213 
1214 	list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1215 				nlp_listp) {
1216 		lpfc_nlp_remove(phba, ndlp);
1217 	}
1218 
1219 	INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1220 	INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1221 	INIT_LIST_HEAD(&phba->fc_unused_list);
1222 	INIT_LIST_HEAD(&phba->fc_plogi_list);
1223 	INIT_LIST_HEAD(&phba->fc_adisc_list);
1224 	INIT_LIST_HEAD(&phba->fc_reglogin_list);
1225 	INIT_LIST_HEAD(&phba->fc_prli_list);
1226 	INIT_LIST_HEAD(&phba->fc_npr_list);
1227 
1228 	phba->fc_map_cnt   = 0;
1229 	phba->fc_unmap_cnt = 0;
1230 	phba->fc_plogi_cnt = 0;
1231 	phba->fc_adisc_cnt = 0;
1232 	phba->fc_reglogin_cnt = 0;
1233 	phba->fc_prli_cnt  = 0;
1234 	phba->fc_npr_cnt   = 0;
1235 	phba->fc_unused_cnt= 0;
1236 	return;
1237 }
1238 
1239 static void
1240 lpfc_establish_link_tmo(unsigned long ptr)
1241 {
1242 	struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1243 	unsigned long iflag;
1244 
1245 
1246 	/* Re-establishing Link, timer expired */
1247 	lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1248 			"%d:1300 Re-establishing Link, timer expired "
1249 			"Data: x%x x%x\n",
1250 			phba->brd_no, phba->fc_flag, phba->hba_state);
1251 	spin_lock_irqsave(phba->host->host_lock, iflag);
1252 	phba->fc_flag &= ~FC_ESTABLISH_LINK;
1253 	spin_unlock_irqrestore(phba->host->host_lock, iflag);
1254 }
1255 
1256 static int
1257 lpfc_stop_timer(struct lpfc_hba * phba)
1258 {
1259 	struct lpfc_sli *psli = &phba->sli;
1260 
1261 	/* Instead of a timer, this has been converted to a
1262 	 * deferred procedding list.
1263 	 */
1264 	while (!list_empty(&phba->freebufList)) {
1265 
1266 		struct lpfc_dmabuf *mp = NULL;
1267 
1268 		list_remove_head((&phba->freebufList), mp,
1269 				 struct lpfc_dmabuf, list);
1270 		if (mp) {
1271 			lpfc_mbuf_free(phba, mp->virt, mp->phys);
1272 			kfree(mp);
1273 		}
1274 	}
1275 
1276 	del_timer_sync(&phba->fcp_poll_timer);
1277 	del_timer_sync(&phba->fc_estabtmo);
1278 	del_timer_sync(&phba->fc_disctmo);
1279 	del_timer_sync(&phba->fc_fdmitmo);
1280 	del_timer_sync(&phba->els_tmofunc);
1281 	psli = &phba->sli;
1282 	del_timer_sync(&psli->mbox_tmo);
1283 	return(1);
1284 }
1285 
1286 int
1287 lpfc_online(struct lpfc_hba * phba)
1288 {
1289 	if (!phba)
1290 		return 0;
1291 
1292 	if (!(phba->fc_flag & FC_OFFLINE_MODE))
1293 		return 0;
1294 
1295 	lpfc_printf_log(phba,
1296 		       KERN_WARNING,
1297 		       LOG_INIT,
1298 		       "%d:0458 Bring Adapter online\n",
1299 		       phba->brd_no);
1300 
1301 	if (!lpfc_sli_queue_setup(phba))
1302 		return 1;
1303 
1304 	if (lpfc_sli_hba_setup(phba))	/* Initialize the HBA */
1305 		return 1;
1306 
1307 	spin_lock_irq(phba->host->host_lock);
1308 	phba->fc_flag &= ~FC_OFFLINE_MODE;
1309 	spin_unlock_irq(phba->host->host_lock);
1310 
1311 	return 0;
1312 }
1313 
1314 int
1315 lpfc_offline(struct lpfc_hba * phba)
1316 {
1317 	struct lpfc_sli_ring *pring;
1318 	struct lpfc_sli *psli;
1319 	unsigned long iflag;
1320 	int i;
1321 	int cnt = 0;
1322 
1323 	if (!phba)
1324 		return 0;
1325 
1326 	if (phba->fc_flag & FC_OFFLINE_MODE)
1327 		return 0;
1328 
1329 	psli = &phba->sli;
1330 
1331 	lpfc_linkdown(phba);
1332 	lpfc_sli_flush_mbox_queue(phba);
1333 
1334 	for (i = 0; i < psli->num_rings; i++) {
1335 		pring = &psli->ring[i];
1336 		/* The linkdown event takes 30 seconds to timeout. */
1337 		while (pring->txcmplq_cnt) {
1338 			mdelay(10);
1339 			if (cnt++ > 3000) {
1340 				lpfc_printf_log(phba,
1341 					KERN_WARNING, LOG_INIT,
1342 					"%d:0466 Outstanding IO when "
1343 					"bringing Adapter offline\n",
1344 					phba->brd_no);
1345 				break;
1346 			}
1347 		}
1348 	}
1349 
1350 
1351 	/* stop all timers associated with this hba */
1352 	lpfc_stop_timer(phba);
1353 	phba->work_hba_events = 0;
1354 	phba->work_ha = 0;
1355 
1356 	lpfc_printf_log(phba,
1357 		       KERN_WARNING,
1358 		       LOG_INIT,
1359 		       "%d:0460 Bring Adapter offline\n",
1360 		       phba->brd_no);
1361 
1362 	/* Bring down the SLI Layer and cleanup.  The HBA is offline
1363 	   now.  */
1364 	lpfc_sli_hba_down(phba);
1365 	lpfc_cleanup(phba, 1);
1366 	spin_lock_irqsave(phba->host->host_lock, iflag);
1367 	phba->fc_flag |= FC_OFFLINE_MODE;
1368 	spin_unlock_irqrestore(phba->host->host_lock, iflag);
1369 	return 0;
1370 }
1371 
1372 /******************************************************************************
1373 * Function name: lpfc_scsi_free
1374 *
1375 * Description: Called from lpfc_pci_remove_one free internal driver resources
1376 *
1377 ******************************************************************************/
1378 static int
1379 lpfc_scsi_free(struct lpfc_hba * phba)
1380 {
1381 	struct lpfc_scsi_buf *sb, *sb_next;
1382 	struct lpfc_iocbq *io, *io_next;
1383 
1384 	spin_lock_irq(phba->host->host_lock);
1385 	/* Release all the lpfc_scsi_bufs maintained by this host. */
1386 	list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1387 		list_del(&sb->list);
1388 		pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1389 								sb->dma_handle);
1390 		kfree(sb);
1391 		phba->total_scsi_bufs--;
1392 	}
1393 
1394 	/* Release all the lpfc_iocbq entries maintained by this host. */
1395 	list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1396 		list_del(&io->list);
1397 		kfree(io);
1398 		phba->total_iocbq_bufs--;
1399 	}
1400 
1401 	spin_unlock_irq(phba->host->host_lock);
1402 
1403 	return 0;
1404 }
1405 
1406 
1407 static int __devinit
1408 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1409 {
1410 	struct Scsi_Host *host;
1411 	struct lpfc_hba  *phba;
1412 	struct lpfc_sli  *psli;
1413 	struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1414 	unsigned long bar0map_len, bar2map_len;
1415 	int error = -ENODEV, retval;
1416 	int i;
1417 	uint16_t iotag;
1418 
1419 	if (pci_enable_device(pdev))
1420 		goto out;
1421 	if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1422 		goto out_disable_device;
1423 
1424 	host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
1425 	if (!host)
1426 		goto out_release_regions;
1427 
1428 	phba = (struct lpfc_hba*)host->hostdata;
1429 	memset(phba, 0, sizeof (struct lpfc_hba));
1430 	phba->host = host;
1431 
1432 	phba->fc_flag |= FC_LOADING;
1433 	phba->pcidev = pdev;
1434 
1435 	/* Assign an unused board number */
1436 	if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1437 		goto out_put_host;
1438 
1439 	error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1440 	if (error)
1441 		goto out_put_host;
1442 
1443 	host->unique_id = phba->brd_no;
1444 	INIT_LIST_HEAD(&phba->ctrspbuflist);
1445 	INIT_LIST_HEAD(&phba->rnidrspbuflist);
1446 	INIT_LIST_HEAD(&phba->freebufList);
1447 
1448 	/* Initialize timers used by driver */
1449 	init_timer(&phba->fc_estabtmo);
1450 	phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1451 	phba->fc_estabtmo.data = (unsigned long)phba;
1452 	init_timer(&phba->fc_disctmo);
1453 	phba->fc_disctmo.function = lpfc_disc_timeout;
1454 	phba->fc_disctmo.data = (unsigned long)phba;
1455 
1456 	init_timer(&phba->fc_fdmitmo);
1457 	phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1458 	phba->fc_fdmitmo.data = (unsigned long)phba;
1459 	init_timer(&phba->els_tmofunc);
1460 	phba->els_tmofunc.function = lpfc_els_timeout;
1461 	phba->els_tmofunc.data = (unsigned long)phba;
1462 	psli = &phba->sli;
1463 	init_timer(&psli->mbox_tmo);
1464 	psli->mbox_tmo.function = lpfc_mbox_timeout;
1465 	psli->mbox_tmo.data = (unsigned long)phba;
1466 
1467 	init_timer(&phba->fcp_poll_timer);
1468 	phba->fcp_poll_timer.function = lpfc_poll_timeout;
1469 	phba->fcp_poll_timer.data = (unsigned long)phba;
1470 
1471 	/*
1472 	 * Get all the module params for configuring this host and then
1473 	 * establish the host parameters.
1474 	 */
1475 	lpfc_get_cfgparam(phba);
1476 
1477 	host->max_id = LPFC_MAX_TARGET;
1478 	host->max_lun = phba->cfg_max_luns;
1479 	host->this_id = -1;
1480 
1481 	/* Initialize all internally managed lists. */
1482 	INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1483 	INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1484 	INIT_LIST_HEAD(&phba->fc_unused_list);
1485 	INIT_LIST_HEAD(&phba->fc_plogi_list);
1486 	INIT_LIST_HEAD(&phba->fc_adisc_list);
1487 	INIT_LIST_HEAD(&phba->fc_reglogin_list);
1488 	INIT_LIST_HEAD(&phba->fc_prli_list);
1489 	INIT_LIST_HEAD(&phba->fc_npr_list);
1490 
1491 
1492 	pci_set_master(pdev);
1493 	retval = pci_set_mwi(pdev);
1494 	if (retval)
1495 		dev_printk(KERN_WARNING, &pdev->dev,
1496 			   "Warning: pci_set_mwi returned %d\n", retval);
1497 
1498 	if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1499 		if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1500 			goto out_idr_remove;
1501 
1502 	/*
1503 	 * Get the bus address of Bar0 and Bar2 and the number of bytes
1504 	 * required by each mapping.
1505 	 */
1506 	phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1507 	bar0map_len        = pci_resource_len(phba->pcidev, 0);
1508 
1509 	phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1510 	bar2map_len        = pci_resource_len(phba->pcidev, 2);
1511 
1512 	/* Map HBA SLIM to a kernel virtual address. */
1513 	phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1514 	if (!phba->slim_memmap_p) {
1515 		error = -ENODEV;
1516 		dev_printk(KERN_ERR, &pdev->dev,
1517 			   "ioremap failed for SLIM memory.\n");
1518 		goto out_idr_remove;
1519 	}
1520 
1521 	/* Map HBA Control Registers to a kernel virtual address. */
1522 	phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1523 	if (!phba->ctrl_regs_memmap_p) {
1524 		error = -ENODEV;
1525 		dev_printk(KERN_ERR, &pdev->dev,
1526 			   "ioremap failed for HBA control registers.\n");
1527 		goto out_iounmap_slim;
1528 	}
1529 
1530 	/* Allocate memory for SLI-2 structures */
1531 	phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1532 					  &phba->slim2p_mapping, GFP_KERNEL);
1533 	if (!phba->slim2p)
1534 		goto out_iounmap;
1535 
1536 	memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1537 
1538 	/* Initialize the SLI Layer to run with lpfc HBAs. */
1539 	lpfc_sli_setup(phba);
1540 	lpfc_sli_queue_setup(phba);
1541 
1542 	error = lpfc_mem_alloc(phba);
1543 	if (error)
1544 		goto out_free_slim;
1545 
1546 	/* Initialize and populate the iocb list per host.  */
1547 	INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1548 	for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1549 		iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1550 		if (iocbq_entry == NULL) {
1551 			printk(KERN_ERR "%s: only allocated %d iocbs of "
1552 				"expected %d count. Unloading driver.\n",
1553 				__FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1554 			error = -ENOMEM;
1555 			goto out_free_iocbq;
1556 		}
1557 
1558 		memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1559 		iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1560 		if (iotag == 0) {
1561 			kfree (iocbq_entry);
1562 			printk(KERN_ERR "%s: failed to allocate IOTAG. "
1563 			       "Unloading driver.\n",
1564 				__FUNCTION__);
1565 			error = -ENOMEM;
1566 			goto out_free_iocbq;
1567 		}
1568 		spin_lock_irq(phba->host->host_lock);
1569 		list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1570 		phba->total_iocbq_bufs++;
1571 		spin_unlock_irq(phba->host->host_lock);
1572 	}
1573 
1574 	/* Initialize HBA structure */
1575 	phba->fc_edtov = FF_DEF_EDTOV;
1576 	phba->fc_ratov = FF_DEF_RATOV;
1577 	phba->fc_altov = FF_DEF_ALTOV;
1578 	phba->fc_arbtov = FF_DEF_ARBTOV;
1579 
1580 	INIT_LIST_HEAD(&phba->work_list);
1581 	phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1582 	phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1583 
1584 	/* Startup the kernel thread for this host adapter. */
1585 	phba->worker_thread = kthread_run(lpfc_do_work, phba,
1586 				       "lpfc_worker_%d", phba->brd_no);
1587 	if (IS_ERR(phba->worker_thread)) {
1588 		error = PTR_ERR(phba->worker_thread);
1589 		goto out_free_iocbq;
1590 	}
1591 
1592 	/*
1593 	 * Set initial can_queue value since 0 is no longer supported and
1594 	 * scsi_add_host will fail. This will be adjusted later based on the
1595 	 * max xri value determined in hba setup.
1596 	 */
1597 	host->can_queue = phba->cfg_hba_queue_depth - 10;
1598 
1599 	/* Tell the midlayer we support 16 byte commands */
1600 	host->max_cmd_len = 16;
1601 
1602 	/* Initialize the list of scsi buffers used by driver for scsi IO. */
1603 	spin_lock_init(&phba->scsi_buf_list_lock);
1604 	INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1605 
1606 	host->transportt = lpfc_transport_template;
1607 	pci_set_drvdata(pdev, host);
1608 	error = scsi_add_host(host, &pdev->dev);
1609 	if (error)
1610 		goto out_kthread_stop;
1611 
1612 	error = lpfc_alloc_sysfs_attr(phba);
1613 	if (error)
1614 		goto out_remove_host;
1615 
1616 	if (phba->cfg_use_msi) {
1617 		error = pci_enable_msi(phba->pcidev);
1618 		if (error)
1619 			lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "%d:0452 "
1620 					"Enable MSI failed, continuing with "
1621 					"IRQ\n", phba->brd_no);
1622 	}
1623 
1624 	error =	request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
1625 							LPFC_DRIVER_NAME, phba);
1626 	if (error) {
1627 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1628 			"%d:0451 Enable interrupt handler failed\n",
1629 			phba->brd_no);
1630 		goto out_free_sysfs_attr;
1631 	}
1632 	phba->MBslimaddr = phba->slim_memmap_p;
1633 	phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1634 	phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1635 	phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1636 	phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1637 
1638 	error = lpfc_sli_hba_setup(phba);
1639 	if (error) {
1640 		error = -ENODEV;
1641 		goto out_free_irq;
1642 	}
1643 
1644 	/*
1645 	 * hba setup may have changed the hba_queue_depth so we need to adjust
1646 	 * the value of can_queue.
1647 	 */
1648 	host->can_queue = phba->cfg_hba_queue_depth - 10;
1649 
1650 	lpfc_discovery_wait(phba);
1651 
1652 	if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1653 		spin_lock_irq(phba->host->host_lock);
1654 		lpfc_poll_start_timer(phba);
1655 		spin_unlock_irq(phba->host->host_lock);
1656 	}
1657 
1658 	/*
1659 	 * set fixed host attributes
1660 	 * Must done after lpfc_sli_hba_setup()
1661 	 */
1662 
1663 	fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn);
1664 	fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn);
1665 	fc_host_supported_classes(host) = FC_COS_CLASS3;
1666 
1667 	memset(fc_host_supported_fc4s(host), 0,
1668 		sizeof(fc_host_supported_fc4s(host)));
1669 	fc_host_supported_fc4s(host)[2] = 1;
1670 	fc_host_supported_fc4s(host)[7] = 1;
1671 
1672 	lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1673 
1674 	fc_host_supported_speeds(host) = 0;
1675 	if (phba->lmt & LMT_10Gb)
1676 		fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1677 	if (phba->lmt & LMT_4Gb)
1678 		fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1679 	if (phba->lmt & LMT_2Gb)
1680 		fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1681 	if (phba->lmt & LMT_1Gb)
1682 		fc_host_supported_speeds(host) |= FC_PORTSPEED_1GBIT;
1683 
1684 	fc_host_maxframe_size(host) =
1685 		((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1686 		 (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1687 
1688 	/* This value is also unchanging */
1689 	memset(fc_host_active_fc4s(host), 0,
1690 		sizeof(fc_host_active_fc4s(host)));
1691 	fc_host_active_fc4s(host)[2] = 1;
1692 	fc_host_active_fc4s(host)[7] = 1;
1693 
1694 	spin_lock_irq(phba->host->host_lock);
1695 	phba->fc_flag &= ~FC_LOADING;
1696 	spin_unlock_irq(phba->host->host_lock);
1697 	return 0;
1698 
1699 out_free_irq:
1700 	lpfc_stop_timer(phba);
1701 	phba->work_hba_events = 0;
1702 	free_irq(phba->pcidev->irq, phba);
1703 	pci_disable_msi(phba->pcidev);
1704 out_free_sysfs_attr:
1705 	lpfc_free_sysfs_attr(phba);
1706 out_remove_host:
1707 	fc_remove_host(phba->host);
1708 	scsi_remove_host(phba->host);
1709 out_kthread_stop:
1710 	kthread_stop(phba->worker_thread);
1711 out_free_iocbq:
1712 	list_for_each_entry_safe(iocbq_entry, iocbq_next,
1713 						&phba->lpfc_iocb_list, list) {
1714 		spin_lock_irq(phba->host->host_lock);
1715 		kfree(iocbq_entry);
1716 		phba->total_iocbq_bufs--;
1717 		spin_unlock_irq(phba->host->host_lock);
1718 	}
1719 	lpfc_mem_free(phba);
1720 out_free_slim:
1721 	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1722 							phba->slim2p_mapping);
1723 out_iounmap:
1724 	iounmap(phba->ctrl_regs_memmap_p);
1725 out_iounmap_slim:
1726 	iounmap(phba->slim_memmap_p);
1727 out_idr_remove:
1728 	idr_remove(&lpfc_hba_index, phba->brd_no);
1729 out_put_host:
1730 	phba->host = NULL;
1731 	scsi_host_put(host);
1732 out_release_regions:
1733 	pci_release_regions(pdev);
1734 out_disable_device:
1735 	pci_disable_device(pdev);
1736 out:
1737 	pci_set_drvdata(pdev, NULL);
1738 	return error;
1739 }
1740 
1741 static void __devexit
1742 lpfc_pci_remove_one(struct pci_dev *pdev)
1743 {
1744 	struct Scsi_Host   *host = pci_get_drvdata(pdev);
1745 	struct lpfc_hba    *phba = (struct lpfc_hba *)host->hostdata;
1746 	unsigned long iflag;
1747 
1748 	lpfc_free_sysfs_attr(phba);
1749 
1750 	spin_lock_irqsave(phba->host->host_lock, iflag);
1751 	phba->fc_flag |= FC_UNLOADING;
1752 
1753 	spin_unlock_irqrestore(phba->host->host_lock, iflag);
1754 
1755 	fc_remove_host(phba->host);
1756 	scsi_remove_host(phba->host);
1757 
1758 	kthread_stop(phba->worker_thread);
1759 
1760 	/*
1761 	 * Bring down the SLI Layer. This step disable all interrupts,
1762 	 * clears the rings, discards all mailbox commands, and resets
1763 	 * the HBA.
1764 	 */
1765 	lpfc_sli_hba_down(phba);
1766 	lpfc_sli_brdrestart(phba);
1767 
1768 	/* Release the irq reservation */
1769 	free_irq(phba->pcidev->irq, phba);
1770 	pci_disable_msi(phba->pcidev);
1771 
1772 	lpfc_cleanup(phba, 0);
1773 	lpfc_stop_timer(phba);
1774 	phba->work_hba_events = 0;
1775 
1776 	/*
1777 	 * Call scsi_free before mem_free since scsi bufs are released to their
1778 	 * corresponding pools here.
1779 	 */
1780 	lpfc_scsi_free(phba);
1781 	lpfc_mem_free(phba);
1782 
1783 	/* Free resources associated with SLI2 interface */
1784 	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1785 			  phba->slim2p, phba->slim2p_mapping);
1786 
1787 	/* unmap adapter SLIM and Control Registers */
1788 	iounmap(phba->ctrl_regs_memmap_p);
1789 	iounmap(phba->slim_memmap_p);
1790 
1791 	pci_release_regions(phba->pcidev);
1792 	pci_disable_device(phba->pcidev);
1793 
1794 	idr_remove(&lpfc_hba_index, phba->brd_no);
1795 	scsi_host_put(phba->host);
1796 
1797 	pci_set_drvdata(pdev, NULL);
1798 }
1799 
1800 static struct pci_device_id lpfc_id_table[] = {
1801 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1802 		PCI_ANY_ID, PCI_ANY_ID, },
1803 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
1804 		PCI_ANY_ID, PCI_ANY_ID, },
1805 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1806 		PCI_ANY_ID, PCI_ANY_ID, },
1807 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1808 		PCI_ANY_ID, PCI_ANY_ID, },
1809 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1810 		PCI_ANY_ID, PCI_ANY_ID, },
1811 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1812 		PCI_ANY_ID, PCI_ANY_ID, },
1813 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1814 		PCI_ANY_ID, PCI_ANY_ID, },
1815 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1816 		PCI_ANY_ID, PCI_ANY_ID, },
1817 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1818 		PCI_ANY_ID, PCI_ANY_ID, },
1819 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
1820 		PCI_ANY_ID, PCI_ANY_ID, },
1821 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
1822 		PCI_ANY_ID, PCI_ANY_ID, },
1823 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
1824 		PCI_ANY_ID, PCI_ANY_ID, },
1825 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1826 		PCI_ANY_ID, PCI_ANY_ID, },
1827 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
1828 		PCI_ANY_ID, PCI_ANY_ID, },
1829 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
1830 		PCI_ANY_ID, PCI_ANY_ID, },
1831 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1832 		PCI_ANY_ID, PCI_ANY_ID, },
1833 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1834 		PCI_ANY_ID, PCI_ANY_ID, },
1835 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1836 		PCI_ANY_ID, PCI_ANY_ID, },
1837 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
1838 		PCI_ANY_ID, PCI_ANY_ID, },
1839 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
1840 		PCI_ANY_ID, PCI_ANY_ID, },
1841 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1842 		PCI_ANY_ID, PCI_ANY_ID, },
1843 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1844 		PCI_ANY_ID, PCI_ANY_ID, },
1845 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1846 		PCI_ANY_ID, PCI_ANY_ID, },
1847 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1848 		PCI_ANY_ID, PCI_ANY_ID, },
1849 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1850 		PCI_ANY_ID, PCI_ANY_ID, },
1851 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
1852 		PCI_ANY_ID, PCI_ANY_ID, },
1853 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
1854 		PCI_ANY_ID, PCI_ANY_ID, },
1855 	{ 0 }
1856 };
1857 
1858 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1859 
1860 static struct pci_driver lpfc_driver = {
1861 	.name		= LPFC_DRIVER_NAME,
1862 	.id_table	= lpfc_id_table,
1863 	.probe		= lpfc_pci_probe_one,
1864 	.remove		= __devexit_p(lpfc_pci_remove_one),
1865 };
1866 
1867 static int __init
1868 lpfc_init(void)
1869 {
1870 	int error = 0;
1871 
1872 	printk(LPFC_MODULE_DESC "\n");
1873 	printk(LPFC_COPYRIGHT "\n");
1874 
1875 	lpfc_transport_template =
1876 				fc_attach_transport(&lpfc_transport_functions);
1877 	if (!lpfc_transport_template)
1878 		return -ENOMEM;
1879 	error = pci_register_driver(&lpfc_driver);
1880 	if (error)
1881 		fc_release_transport(lpfc_transport_template);
1882 
1883 	return error;
1884 }
1885 
1886 static void __exit
1887 lpfc_exit(void)
1888 {
1889 	pci_unregister_driver(&lpfc_driver);
1890 	fc_release_transport(lpfc_transport_template);
1891 }
1892 
1893 module_init(lpfc_init);
1894 module_exit(lpfc_exit);
1895 MODULE_LICENSE("GPL");
1896 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1897 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1898 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
1899