xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_mbox.c (revision 64c70b1c)
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/pci.h>
24 #include <linux/interrupt.h>
25 
26 #include <scsi/scsi_device.h>
27 #include <scsi/scsi_transport_fc.h>
28 
29 #include <scsi/scsi.h>
30 
31 #include "lpfc_hw.h"
32 #include "lpfc_sli.h"
33 #include "lpfc_disc.h"
34 #include "lpfc_scsi.h"
35 #include "lpfc.h"
36 #include "lpfc_logmsg.h"
37 #include "lpfc_crtn.h"
38 #include "lpfc_compat.h"
39 
40 /**********************************************/
41 
42 /*                mailbox command             */
43 /**********************************************/
44 void
45 lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset)
46 {
47 	MAILBOX_t *mb;
48 	void *ctx;
49 
50 	mb = &pmb->mb;
51 	ctx = pmb->context2;
52 
53 	/* Setup to dump VPD region */
54 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
55 	mb->mbxCommand = MBX_DUMP_MEMORY;
56 	mb->un.varDmp.cv = 1;
57 	mb->un.varDmp.type = DMP_NV_PARAMS;
58 	mb->un.varDmp.entry_index = offset;
59 	mb->un.varDmp.region_id = DMP_REGION_VPD;
60 	mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t));
61 	mb->un.varDmp.co = 0;
62 	mb->un.varDmp.resp_offset = 0;
63 	pmb->context2 = ctx;
64 	mb->mbxOwner = OWN_HOST;
65 	return;
66 }
67 
68 /**********************************************/
69 /*  lpfc_read_nv  Issue a READ NVPARAM        */
70 /*                mailbox command             */
71 /**********************************************/
72 void
73 lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
74 {
75 	MAILBOX_t *mb;
76 
77 	mb = &pmb->mb;
78 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
79 	mb->mbxCommand = MBX_READ_NV;
80 	mb->mbxOwner = OWN_HOST;
81 	return;
82 }
83 
84 /**********************************************/
85 /*  lpfc_read_la  Issue a READ LA             */
86 /*                mailbox command             */
87 /**********************************************/
88 int
89 lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp)
90 {
91 	MAILBOX_t *mb;
92 	struct lpfc_sli *psli;
93 
94 	psli = &phba->sli;
95 	mb = &pmb->mb;
96 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
97 
98 	INIT_LIST_HEAD(&mp->list);
99 	mb->mbxCommand = MBX_READ_LA64;
100 	mb->un.varReadLA.un.lilpBde64.tus.f.bdeSize = 128;
101 	mb->un.varReadLA.un.lilpBde64.addrHigh = putPaddrHigh(mp->phys);
102 	mb->un.varReadLA.un.lilpBde64.addrLow = putPaddrLow(mp->phys);
103 
104 	/* Save address for later completion and set the owner to host so that
105 	 * the FW knows this mailbox is available for processing.
106 	 */
107 	pmb->context1 = (uint8_t *) mp;
108 	mb->mbxOwner = OWN_HOST;
109 	return (0);
110 }
111 
112 /**********************************************/
113 /*  lpfc_clear_la  Issue a CLEAR LA           */
114 /*                 mailbox command            */
115 /**********************************************/
116 void
117 lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
118 {
119 	MAILBOX_t *mb;
120 
121 	mb = &pmb->mb;
122 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
123 
124 	mb->un.varClearLA.eventTag = phba->fc_eventTag;
125 	mb->mbxCommand = MBX_CLEAR_LA;
126 	mb->mbxOwner = OWN_HOST;
127 	return;
128 }
129 
130 /**************************************************/
131 /*  lpfc_config_link  Issue a CONFIG LINK         */
132 /*                    mailbox command             */
133 /**************************************************/
134 void
135 lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
136 {
137 	MAILBOX_t *mb = &pmb->mb;
138 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
139 
140 	/* NEW_FEATURE
141 	 * SLI-2, Coalescing Response Feature.
142 	 */
143 	if (phba->cfg_cr_delay) {
144 		mb->un.varCfgLnk.cr = 1;
145 		mb->un.varCfgLnk.ci = 1;
146 		mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay;
147 		mb->un.varCfgLnk.cr_count = phba->cfg_cr_count;
148 	}
149 
150 	mb->un.varCfgLnk.myId = phba->fc_myDID;
151 	mb->un.varCfgLnk.edtov = phba->fc_edtov;
152 	mb->un.varCfgLnk.arbtov = phba->fc_arbtov;
153 	mb->un.varCfgLnk.ratov = phba->fc_ratov;
154 	mb->un.varCfgLnk.rttov = phba->fc_rttov;
155 	mb->un.varCfgLnk.altov = phba->fc_altov;
156 	mb->un.varCfgLnk.crtov = phba->fc_crtov;
157 	mb->un.varCfgLnk.citov = phba->fc_citov;
158 
159 	if (phba->cfg_ack0)
160 		mb->un.varCfgLnk.ack0_enable = 1;
161 
162 	mb->mbxCommand = MBX_CONFIG_LINK;
163 	mb->mbxOwner = OWN_HOST;
164 	return;
165 }
166 
167 /**********************************************/
168 /*  lpfc_init_link  Issue an INIT LINK        */
169 /*                  mailbox command           */
170 /**********************************************/
171 void
172 lpfc_init_link(struct lpfc_hba * phba,
173 	       LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed)
174 {
175 	lpfc_vpd_t *vpd;
176 	struct lpfc_sli *psli;
177 	MAILBOX_t *mb;
178 
179 	mb = &pmb->mb;
180 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
181 
182 	psli = &phba->sli;
183 	switch (topology) {
184 	case FLAGS_TOPOLOGY_MODE_LOOP_PT:
185 		mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
186 		mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
187 		break;
188 	case FLAGS_TOPOLOGY_MODE_PT_PT:
189 		mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
190 		break;
191 	case FLAGS_TOPOLOGY_MODE_LOOP:
192 		mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
193 		break;
194 	case FLAGS_TOPOLOGY_MODE_PT_LOOP:
195 		mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
196 		mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
197 		break;
198 	case FLAGS_LOCAL_LB:
199 		mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB;
200 		break;
201 	}
202 
203 	/* Enable asynchronous ABTS responses from firmware */
204 	mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT;
205 
206 	/* NEW_FEATURE
207 	 * Setting up the link speed
208 	 */
209 	vpd = &phba->vpd;
210 	if (vpd->rev.feaLevelHigh >= 0x02){
211 		switch(linkspeed){
212 			case LINK_SPEED_1G:
213 			case LINK_SPEED_2G:
214 			case LINK_SPEED_4G:
215 			case LINK_SPEED_8G:
216 				mb->un.varInitLnk.link_flags |=
217 							FLAGS_LINK_SPEED;
218 				mb->un.varInitLnk.link_speed = linkspeed;
219 			break;
220 			case LINK_SPEED_AUTO:
221 			default:
222 				mb->un.varInitLnk.link_speed =
223 							LINK_SPEED_AUTO;
224 			break;
225 		}
226 
227 	}
228 	else
229 		mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
230 
231 	mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK;
232 	mb->mbxOwner = OWN_HOST;
233 	mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA;
234 	return;
235 }
236 
237 /**********************************************/
238 /*  lpfc_read_sparam  Issue a READ SPARAM     */
239 /*                    mailbox command         */
240 /**********************************************/
241 int
242 lpfc_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
243 {
244 	struct lpfc_dmabuf *mp;
245 	MAILBOX_t *mb;
246 	struct lpfc_sli *psli;
247 
248 	psli = &phba->sli;
249 	mb = &pmb->mb;
250 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
251 
252 	mb->mbxOwner = OWN_HOST;
253 
254 	/* Get a buffer to hold the HBAs Service Parameters */
255 
256 	if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) ||
257 	    ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
258 		kfree(mp);
259 		mb->mbxCommand = MBX_READ_SPARM64;
260 		/* READ_SPARAM: no buffers */
261 		lpfc_printf_log(phba,
262 			        KERN_WARNING,
263 			        LOG_MBOX,
264 			        "%d:0301 READ_SPARAM: no buffers\n",
265 			        phba->brd_no);
266 		return (1);
267 	}
268 	INIT_LIST_HEAD(&mp->list);
269 	mb->mbxCommand = MBX_READ_SPARM64;
270 	mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
271 	mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys);
272 	mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys);
273 
274 	/* save address for completion */
275 	pmb->context1 = mp;
276 
277 	return (0);
278 }
279 
280 /********************************************/
281 /*  lpfc_unreg_did  Issue a UNREG_DID       */
282 /*                  mailbox command         */
283 /********************************************/
284 void
285 lpfc_unreg_did(struct lpfc_hba * phba, uint32_t did, LPFC_MBOXQ_t * pmb)
286 {
287 	MAILBOX_t *mb;
288 
289 	mb = &pmb->mb;
290 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
291 
292 	mb->un.varUnregDID.did = did;
293 
294 	mb->mbxCommand = MBX_UNREG_D_ID;
295 	mb->mbxOwner = OWN_HOST;
296 	return;
297 }
298 
299 /**********************************************/
300 /*  lpfc_read_nv  Issue a READ CONFIG         */
301 /*                mailbox command             */
302 /**********************************************/
303 void
304 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
305 {
306 	MAILBOX_t *mb;
307 
308 	mb = &pmb->mb;
309 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
310 
311 	mb->mbxCommand = MBX_READ_CONFIG;
312 	mb->mbxOwner = OWN_HOST;
313 	return;
314 }
315 
316 /*************************************************/
317 /*  lpfc_read_lnk_stat  Issue a READ LINK STATUS */
318 /*                mailbox command                */
319 /*************************************************/
320 void
321 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
322 {
323 	MAILBOX_t *mb;
324 
325 	mb = &pmb->mb;
326 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
327 
328 	mb->mbxCommand = MBX_READ_LNK_STAT;
329 	mb->mbxOwner = OWN_HOST;
330 	return;
331 }
332 
333 /********************************************/
334 /*  lpfc_reg_login  Issue a REG_LOGIN       */
335 /*                  mailbox command         */
336 /********************************************/
337 int
338 lpfc_reg_login(struct lpfc_hba * phba,
339 	       uint32_t did, uint8_t * param, LPFC_MBOXQ_t * pmb, uint32_t flag)
340 {
341 	uint8_t *sparam;
342 	struct lpfc_dmabuf *mp;
343 	MAILBOX_t *mb;
344 	struct lpfc_sli *psli;
345 
346 	psli = &phba->sli;
347 	mb = &pmb->mb;
348 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
349 
350 	mb->un.varRegLogin.rpi = 0;
351 	mb->un.varRegLogin.did = did;
352 	mb->un.varWords[30] = flag;	/* Set flag to issue action on cmpl */
353 
354 	mb->mbxOwner = OWN_HOST;
355 
356 	/* Get a buffer to hold NPorts Service Parameters */
357 	if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == NULL) ||
358 	    ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
359 		kfree(mp);
360 		mb->mbxCommand = MBX_REG_LOGIN64;
361 		/* REG_LOGIN: no buffers */
362 		lpfc_printf_log(phba,
363 			       KERN_WARNING,
364 			       LOG_MBOX,
365 			       "%d:0302 REG_LOGIN: no buffers Data x%x x%x\n",
366 			       phba->brd_no,
367 			       (uint32_t) did, (uint32_t) flag);
368 		return (1);
369 	}
370 	INIT_LIST_HEAD(&mp->list);
371 	sparam = mp->virt;
372 
373 	/* Copy param's into a new buffer */
374 	memcpy(sparam, param, sizeof (struct serv_parm));
375 
376 	/* save address for completion */
377 	pmb->context1 = (uint8_t *) mp;
378 
379 	mb->mbxCommand = MBX_REG_LOGIN64;
380 	mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
381 	mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys);
382 	mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys);
383 
384 	return (0);
385 }
386 
387 /**********************************************/
388 /*  lpfc_unreg_login  Issue a UNREG_LOGIN     */
389 /*                    mailbox command         */
390 /**********************************************/
391 void
392 lpfc_unreg_login(struct lpfc_hba * phba, uint32_t rpi, LPFC_MBOXQ_t * pmb)
393 {
394 	MAILBOX_t *mb;
395 
396 	mb = &pmb->mb;
397 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
398 
399 	mb->un.varUnregLogin.rpi = (uint16_t) rpi;
400 	mb->un.varUnregLogin.rsvd1 = 0;
401 
402 	mb->mbxCommand = MBX_UNREG_LOGIN;
403 	mb->mbxOwner = OWN_HOST;
404 	return;
405 }
406 
407 static void
408 lpfc_config_pcb_setup(struct lpfc_hba * phba)
409 {
410 	struct lpfc_sli *psli = &phba->sli;
411 	struct lpfc_sli_ring *pring;
412 	PCB_t *pcbp = &phba->slim2p->pcb;
413 	dma_addr_t pdma_addr;
414 	uint32_t offset;
415 	uint32_t iocbCnt;
416 	int i;
417 
418 	pcbp->maxRing = (psli->num_rings - 1);
419 
420 	iocbCnt = 0;
421 	for (i = 0; i < psli->num_rings; i++) {
422 		pring = &psli->ring[i];
423 		/* A ring MUST have both cmd and rsp entries defined to be
424 		   valid */
425 		if ((pring->numCiocb == 0) || (pring->numRiocb == 0)) {
426 			pcbp->rdsc[i].cmdEntries = 0;
427 			pcbp->rdsc[i].rspEntries = 0;
428 			pcbp->rdsc[i].cmdAddrHigh = 0;
429 			pcbp->rdsc[i].rspAddrHigh = 0;
430 			pcbp->rdsc[i].cmdAddrLow = 0;
431 			pcbp->rdsc[i].rspAddrLow = 0;
432 			pring->cmdringaddr = NULL;
433 			pring->rspringaddr = NULL;
434 			continue;
435 		}
436 		/* Command ring setup for ring */
437 		pring->cmdringaddr =
438 		    (void *)&phba->slim2p->IOCBs[iocbCnt];
439 		pcbp->rdsc[i].cmdEntries = pring->numCiocb;
440 
441 		offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] -
442 			 (uint8_t *)phba->slim2p;
443 		pdma_addr = phba->slim2p_mapping + offset;
444 		pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
445 		pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
446 		iocbCnt += pring->numCiocb;
447 
448 		/* Response ring setup for ring */
449 		pring->rspringaddr =
450 		    (void *)&phba->slim2p->IOCBs[iocbCnt];
451 
452 		pcbp->rdsc[i].rspEntries = pring->numRiocb;
453 		offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] -
454 			 (uint8_t *)phba->slim2p;
455 		pdma_addr = phba->slim2p_mapping + offset;
456 		pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
457 		pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
458 		iocbCnt += pring->numRiocb;
459 	}
460 }
461 
462 void
463 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
464 {
465 	MAILBOX_t *mb;
466 
467 	mb = &pmb->mb;
468 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
469 	mb->un.varRdRev.cv = 1;
470 	mb->mbxCommand = MBX_READ_REV;
471 	mb->mbxOwner = OWN_HOST;
472 	return;
473 }
474 
475 void
476 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
477 {
478 	int i;
479 	MAILBOX_t *mb = &pmb->mb;
480 	struct lpfc_sli *psli;
481 	struct lpfc_sli_ring *pring;
482 
483 	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
484 
485 	mb->un.varCfgRing.ring = ring;
486 	mb->un.varCfgRing.maxOrigXchg = 0;
487 	mb->un.varCfgRing.maxRespXchg = 0;
488 	mb->un.varCfgRing.recvNotify = 1;
489 
490 	psli = &phba->sli;
491 	pring = &psli->ring[ring];
492 	mb->un.varCfgRing.numMask = pring->num_mask;
493 	mb->mbxCommand = MBX_CONFIG_RING;
494 	mb->mbxOwner = OWN_HOST;
495 
496 	/* Is this ring configured for a specific profile */
497 	if (pring->prt[0].profile) {
498 		mb->un.varCfgRing.profile = pring->prt[0].profile;
499 		return;
500 	}
501 
502 	/* Otherwise we setup specific rctl / type masks for this ring */
503 	for (i = 0; i < pring->num_mask; i++) {
504 		mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl;
505 		if (mb->un.varCfgRing.rrRegs[i].rval != FC_ELS_REQ)
506 			mb->un.varCfgRing.rrRegs[i].rmask = 0xff;
507 		else
508 			mb->un.varCfgRing.rrRegs[i].rmask = 0xfe;
509 		mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type;
510 		mb->un.varCfgRing.rrRegs[i].tmask = 0xff;
511 	}
512 
513 	return;
514 }
515 
516 void
517 lpfc_config_port(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
518 {
519 	MAILBOX_t *mb = &pmb->mb;
520 	dma_addr_t pdma_addr;
521 	uint32_t bar_low, bar_high;
522 	size_t offset;
523 	struct lpfc_hgp hgp;
524 	void __iomem *to_slim;
525 	int i;
526 
527 	memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
528 	mb->mbxCommand = MBX_CONFIG_PORT;
529 	mb->mbxOwner = OWN_HOST;
530 
531 	mb->un.varCfgPort.pcbLen = sizeof(PCB_t);
532 
533 	offset = (uint8_t *)&phba->slim2p->pcb - (uint8_t *)phba->slim2p;
534 	pdma_addr = phba->slim2p_mapping + offset;
535 	mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
536 	mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
537 
538 	/* Now setup pcb */
539 	phba->slim2p->pcb.type = TYPE_NATIVE_SLI2;
540 	phba->slim2p->pcb.feature = FEATURE_INITIAL_SLI2;
541 
542 	/* Setup Mailbox pointers */
543 	phba->slim2p->pcb.mailBoxSize = sizeof(MAILBOX_t);
544 	offset = (uint8_t *)&phba->slim2p->mbx - (uint8_t *)phba->slim2p;
545 	pdma_addr = phba->slim2p_mapping + offset;
546 	phba->slim2p->pcb.mbAddrHigh = putPaddrHigh(pdma_addr);
547 	phba->slim2p->pcb.mbAddrLow = putPaddrLow(pdma_addr);
548 
549 	/*
550 	 * Setup Host Group ring pointer.
551 	 *
552 	 * For efficiency reasons, the ring get/put pointers can be
553 	 * placed in adapter memory (SLIM) rather than in host memory.
554 	 * This allows firmware to avoid PCI reads/writes when updating
555 	 * and checking pointers.
556 	 *
557 	 * The firmware recognizes the use of SLIM memory by comparing
558 	 * the address of the get/put pointers structure with that of
559 	 * the SLIM BAR (BAR0).
560 	 *
561 	 * Caution: be sure to use the PCI config space value of BAR0/BAR1
562 	 * (the hardware's view of the base address), not the OS's
563 	 * value of pci_resource_start() as the OS value may be a cookie
564 	 * for ioremap/iomap.
565 	 */
566 
567 
568 	pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
569 	pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);
570 
571 
572 	/* mask off BAR0's flag bits 0 - 3 */
573 	phba->slim2p->pcb.hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
574 					(SLIMOFF*sizeof(uint32_t));
575 	if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
576 		phba->slim2p->pcb.hgpAddrHigh = bar_high;
577 	else
578 		phba->slim2p->pcb.hgpAddrHigh = 0;
579 	/* write HGP data to SLIM at the required longword offset */
580 	memset(&hgp, 0, sizeof(struct lpfc_hgp));
581 	to_slim = phba->MBslimaddr + (SLIMOFF*sizeof (uint32_t));
582 
583 	for (i=0; i < phba->sli.num_rings; i++) {
584 		lpfc_memcpy_to_slim(to_slim, &hgp, sizeof(struct lpfc_hgp));
585 		to_slim += sizeof (struct lpfc_hgp);
586 	}
587 
588 	/* Setup Port Group ring pointer */
589 	offset = (uint8_t *)&phba->slim2p->mbx.us.s2.port -
590 		 (uint8_t *)phba->slim2p;
591 	pdma_addr = phba->slim2p_mapping + offset;
592 	phba->slim2p->pcb.pgpAddrHigh = putPaddrHigh(pdma_addr);
593 	phba->slim2p->pcb.pgpAddrLow = putPaddrLow(pdma_addr);
594 
595 	/* Use callback routine to setp rings in the pcb */
596 	lpfc_config_pcb_setup(phba);
597 
598 	/* special handling for LC HBAs */
599 	if (lpfc_is_LC_HBA(phba->pcidev->device)) {
600 		uint32_t hbainit[5];
601 
602 		lpfc_hba_init(phba, hbainit);
603 
604 		memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
605 	}
606 
607 	/* Swap PCB if needed */
608 	lpfc_sli_pcimem_bcopy(&phba->slim2p->pcb, &phba->slim2p->pcb,
609 								sizeof (PCB_t));
610 
611 	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
612 		        "%d:0405 Service Level Interface (SLI) 2 selected\n",
613 		        phba->brd_no);
614 }
615 
616 void
617 lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
618 {
619 	MAILBOX_t *mb = &pmb->mb;
620 
621 	memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
622 	mb->mbxCommand = MBX_KILL_BOARD;
623 	mb->mbxOwner = OWN_HOST;
624 	return;
625 }
626 
627 void
628 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
629 {
630 	struct lpfc_sli *psli;
631 
632 	psli = &phba->sli;
633 
634 	list_add_tail(&mbq->list, &psli->mboxq);
635 
636 	psli->mboxq_cnt++;
637 
638 	return;
639 }
640 
641 LPFC_MBOXQ_t *
642 lpfc_mbox_get(struct lpfc_hba * phba)
643 {
644 	LPFC_MBOXQ_t *mbq = NULL;
645 	struct lpfc_sli *psli = &phba->sli;
646 
647 	list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t,
648 			 list);
649 	if (mbq) {
650 		psli->mboxq_cnt--;
651 	}
652 
653 	return mbq;
654 }
655 
656 int
657 lpfc_mbox_tmo_val(struct lpfc_hba *phba, int cmd)
658 {
659 	switch (cmd) {
660 	case MBX_WRITE_NV:	/* 0x03 */
661 	case MBX_UPDATE_CFG:	/* 0x1B */
662 	case MBX_DOWN_LOAD:	/* 0x1C */
663 	case MBX_DEL_LD_ENTRY:	/* 0x1D */
664 	case MBX_LOAD_AREA:	/* 0x81 */
665 	case MBX_FLASH_WR_ULA:  /* 0x98 */
666 	case MBX_LOAD_EXP_ROM:	/* 0x9C */
667 		return LPFC_MBOX_TMO_FLASH_CMD;
668 	}
669 	return LPFC_MBOX_TMO;
670 }
671