xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_init.c (revision c819e2cf)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 #include "qla_gbl.h"
9 
10 #include <linux/delay.h>
11 #include <linux/slab.h>
12 #include <linux/vmalloc.h>
13 
14 #include "qla_devtbl.h"
15 
16 #ifdef CONFIG_SPARC
17 #include <asm/prom.h>
18 #endif
19 
20 #include <target/target_core_base.h>
21 #include "qla_target.h"
22 
23 /*
24 *  QLogic ISP2x00 Hardware Support Function Prototypes.
25 */
26 static int qla2x00_isp_firmware(scsi_qla_host_t *);
27 static int qla2x00_setup_chip(scsi_qla_host_t *);
28 static int qla2x00_fw_ready(scsi_qla_host_t *);
29 static int qla2x00_configure_hba(scsi_qla_host_t *);
30 static int qla2x00_configure_loop(scsi_qla_host_t *);
31 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
32 static int qla2x00_configure_fabric(scsi_qla_host_t *);
33 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
34 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
35     uint16_t *);
36 
37 static int qla2x00_restart_isp(scsi_qla_host_t *);
38 
39 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
40 static int qla84xx_init_chip(scsi_qla_host_t *);
41 static int qla25xx_init_queues(struct qla_hw_data *);
42 
43 /* SRB Extensions ---------------------------------------------------------- */
44 
45 void
46 qla2x00_sp_timeout(unsigned long __data)
47 {
48 	srb_t *sp = (srb_t *)__data;
49 	struct srb_iocb *iocb;
50 	fc_port_t *fcport = sp->fcport;
51 	struct qla_hw_data *ha = fcport->vha->hw;
52 	struct req_que *req;
53 	unsigned long flags;
54 
55 	spin_lock_irqsave(&ha->hardware_lock, flags);
56 	req = ha->req_q_map[0];
57 	req->outstanding_cmds[sp->handle] = NULL;
58 	iocb = &sp->u.iocb_cmd;
59 	iocb->timeout(sp);
60 	sp->free(fcport->vha, sp);
61 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
62 }
63 
64 void
65 qla2x00_sp_free(void *data, void *ptr)
66 {
67 	srb_t *sp = (srb_t *)ptr;
68 	struct srb_iocb *iocb = &sp->u.iocb_cmd;
69 	struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
70 
71 	del_timer(&iocb->timer);
72 	qla2x00_rel_sp(vha, sp);
73 }
74 
75 /* Asynchronous Login/Logout Routines -------------------------------------- */
76 
77 unsigned long
78 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
79 {
80 	unsigned long tmo;
81 	struct qla_hw_data *ha = vha->hw;
82 
83 	/* Firmware should use switch negotiated r_a_tov for timeout. */
84 	tmo = ha->r_a_tov / 10 * 2;
85 	if (IS_QLAFX00(ha)) {
86 		tmo = FX00_DEF_RATOV * 2;
87 	} else if (!IS_FWI2_CAPABLE(ha)) {
88 		/*
89 		 * Except for earlier ISPs where the timeout is seeded from the
90 		 * initialization control block.
91 		 */
92 		tmo = ha->login_timeout;
93 	}
94 	return tmo;
95 }
96 
97 static void
98 qla2x00_async_iocb_timeout(void *data)
99 {
100 	srb_t *sp = (srb_t *)data;
101 	fc_port_t *fcport = sp->fcport;
102 
103 	ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
104 	    "Async-%s timeout - hdl=%x portid=%02x%02x%02x.\n",
105 	    sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
106 	    fcport->d_id.b.al_pa);
107 
108 	fcport->flags &= ~FCF_ASYNC_SENT;
109 	if (sp->type == SRB_LOGIN_CMD) {
110 		struct srb_iocb *lio = &sp->u.iocb_cmd;
111 		qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
112 		/* Retry as needed. */
113 		lio->u.logio.data[0] = MBS_COMMAND_ERROR;
114 		lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
115 			QLA_LOGIO_LOGIN_RETRIED : 0;
116 		qla2x00_post_async_login_done_work(fcport->vha, fcport,
117 			lio->u.logio.data);
118 	}
119 }
120 
121 static void
122 qla2x00_async_login_sp_done(void *data, void *ptr, int res)
123 {
124 	srb_t *sp = (srb_t *)ptr;
125 	struct srb_iocb *lio = &sp->u.iocb_cmd;
126 	struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
127 
128 	if (!test_bit(UNLOADING, &vha->dpc_flags))
129 		qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
130 		    lio->u.logio.data);
131 	sp->free(sp->fcport->vha, sp);
132 }
133 
134 int
135 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
136     uint16_t *data)
137 {
138 	srb_t *sp;
139 	struct srb_iocb *lio;
140 	int rval;
141 
142 	rval = QLA_FUNCTION_FAILED;
143 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
144 	if (!sp)
145 		goto done;
146 
147 	sp->type = SRB_LOGIN_CMD;
148 	sp->name = "login";
149 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
150 
151 	lio = &sp->u.iocb_cmd;
152 	lio->timeout = qla2x00_async_iocb_timeout;
153 	sp->done = qla2x00_async_login_sp_done;
154 	lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
155 	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
156 		lio->u.logio.flags |= SRB_LOGIN_RETRIED;
157 	rval = qla2x00_start_sp(sp);
158 	if (rval != QLA_SUCCESS)
159 		goto done_free_sp;
160 
161 	ql_dbg(ql_dbg_disc, vha, 0x2072,
162 	    "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
163 	    "retries=%d.\n", sp->handle, fcport->loop_id,
164 	    fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
165 	    fcport->login_retry);
166 	return rval;
167 
168 done_free_sp:
169 	sp->free(fcport->vha, sp);
170 done:
171 	return rval;
172 }
173 
174 static void
175 qla2x00_async_logout_sp_done(void *data, void *ptr, int res)
176 {
177 	srb_t *sp = (srb_t *)ptr;
178 	struct srb_iocb *lio = &sp->u.iocb_cmd;
179 	struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
180 
181 	if (!test_bit(UNLOADING, &vha->dpc_flags))
182 		qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
183 		    lio->u.logio.data);
184 	sp->free(sp->fcport->vha, sp);
185 }
186 
187 int
188 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
189 {
190 	srb_t *sp;
191 	struct srb_iocb *lio;
192 	int rval;
193 
194 	rval = QLA_FUNCTION_FAILED;
195 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
196 	if (!sp)
197 		goto done;
198 
199 	sp->type = SRB_LOGOUT_CMD;
200 	sp->name = "logout";
201 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
202 
203 	lio = &sp->u.iocb_cmd;
204 	lio->timeout = qla2x00_async_iocb_timeout;
205 	sp->done = qla2x00_async_logout_sp_done;
206 	rval = qla2x00_start_sp(sp);
207 	if (rval != QLA_SUCCESS)
208 		goto done_free_sp;
209 
210 	ql_dbg(ql_dbg_disc, vha, 0x2070,
211 	    "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
212 	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
213 	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
214 	return rval;
215 
216 done_free_sp:
217 	sp->free(fcport->vha, sp);
218 done:
219 	return rval;
220 }
221 
222 static void
223 qla2x00_async_adisc_sp_done(void *data, void *ptr, int res)
224 {
225 	srb_t *sp = (srb_t *)ptr;
226 	struct srb_iocb *lio = &sp->u.iocb_cmd;
227 	struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
228 
229 	if (!test_bit(UNLOADING, &vha->dpc_flags))
230 		qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
231 		    lio->u.logio.data);
232 	sp->free(sp->fcport->vha, sp);
233 }
234 
235 int
236 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
237     uint16_t *data)
238 {
239 	srb_t *sp;
240 	struct srb_iocb *lio;
241 	int rval;
242 
243 	rval = QLA_FUNCTION_FAILED;
244 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
245 	if (!sp)
246 		goto done;
247 
248 	sp->type = SRB_ADISC_CMD;
249 	sp->name = "adisc";
250 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
251 
252 	lio = &sp->u.iocb_cmd;
253 	lio->timeout = qla2x00_async_iocb_timeout;
254 	sp->done = qla2x00_async_adisc_sp_done;
255 	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
256 		lio->u.logio.flags |= SRB_LOGIN_RETRIED;
257 	rval = qla2x00_start_sp(sp);
258 	if (rval != QLA_SUCCESS)
259 		goto done_free_sp;
260 
261 	ql_dbg(ql_dbg_disc, vha, 0x206f,
262 	    "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
263 	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
264 	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
265 	return rval;
266 
267 done_free_sp:
268 	sp->free(fcport->vha, sp);
269 done:
270 	return rval;
271 }
272 
273 static void
274 qla2x00_tmf_iocb_timeout(void *data)
275 {
276 	srb_t *sp = (srb_t *)data;
277 	struct srb_iocb *tmf = &sp->u.iocb_cmd;
278 
279 	tmf->u.tmf.comp_status = CS_TIMEOUT;
280 	complete(&tmf->u.tmf.comp);
281 }
282 
283 static void
284 qla2x00_tmf_sp_done(void *data, void *ptr, int res)
285 {
286 	srb_t *sp = (srb_t *)ptr;
287 	struct srb_iocb *tmf = &sp->u.iocb_cmd;
288 	complete(&tmf->u.tmf.comp);
289 }
290 
291 int
292 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
293 	uint32_t tag)
294 {
295 	struct scsi_qla_host *vha = fcport->vha;
296 	struct srb_iocb *tm_iocb;
297 	srb_t *sp;
298 	int rval = QLA_FUNCTION_FAILED;
299 
300 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
301 	if (!sp)
302 		goto done;
303 
304 	tm_iocb = &sp->u.iocb_cmd;
305 	sp->type = SRB_TM_CMD;
306 	sp->name = "tmf";
307 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
308 	tm_iocb->u.tmf.flags = flags;
309 	tm_iocb->u.tmf.lun = lun;
310 	tm_iocb->u.tmf.data = tag;
311 	sp->done = qla2x00_tmf_sp_done;
312 	tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
313 	init_completion(&tm_iocb->u.tmf.comp);
314 
315 	rval = qla2x00_start_sp(sp);
316 	if (rval != QLA_SUCCESS)
317 		goto done_free_sp;
318 
319 	ql_dbg(ql_dbg_taskm, vha, 0x802f,
320 	    "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
321 	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
322 	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
323 
324 	wait_for_completion(&tm_iocb->u.tmf.comp);
325 
326 	rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
327 	    QLA_SUCCESS : QLA_FUNCTION_FAILED;
328 
329 	if ((rval != QLA_SUCCESS) || tm_iocb->u.tmf.data) {
330 		ql_dbg(ql_dbg_taskm, vha, 0x8030,
331 		    "TM IOCB failed (%x).\n", rval);
332 	}
333 
334 	if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
335 		flags = tm_iocb->u.tmf.flags;
336 		lun = (uint16_t)tm_iocb->u.tmf.lun;
337 
338 		/* Issue Marker IOCB */
339 		qla2x00_marker(vha, vha->hw->req_q_map[0],
340 		    vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
341 		    flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
342 	}
343 
344 done_free_sp:
345 	sp->free(vha, sp);
346 done:
347 	return rval;
348 }
349 
350 static void
351 qla24xx_abort_iocb_timeout(void *data)
352 {
353 	srb_t *sp = (srb_t *)data;
354 	struct srb_iocb *abt = &sp->u.iocb_cmd;
355 
356 	abt->u.abt.comp_status = CS_TIMEOUT;
357 	complete(&abt->u.abt.comp);
358 }
359 
360 static void
361 qla24xx_abort_sp_done(void *data, void *ptr, int res)
362 {
363 	srb_t *sp = (srb_t *)ptr;
364 	struct srb_iocb *abt = &sp->u.iocb_cmd;
365 
366 	complete(&abt->u.abt.comp);
367 }
368 
369 static int
370 qla24xx_async_abort_cmd(srb_t *cmd_sp)
371 {
372 	scsi_qla_host_t *vha = cmd_sp->fcport->vha;
373 	fc_port_t *fcport = cmd_sp->fcport;
374 	struct srb_iocb *abt_iocb;
375 	srb_t *sp;
376 	int rval = QLA_FUNCTION_FAILED;
377 
378 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
379 	if (!sp)
380 		goto done;
381 
382 	abt_iocb = &sp->u.iocb_cmd;
383 	sp->type = SRB_ABT_CMD;
384 	sp->name = "abort";
385 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
386 	abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
387 	sp->done = qla24xx_abort_sp_done;
388 	abt_iocb->timeout = qla24xx_abort_iocb_timeout;
389 	init_completion(&abt_iocb->u.abt.comp);
390 
391 	rval = qla2x00_start_sp(sp);
392 	if (rval != QLA_SUCCESS)
393 		goto done_free_sp;
394 
395 	ql_dbg(ql_dbg_async, vha, 0x507c,
396 	    "Abort command issued - hdl=%x, target_id=%x\n",
397 	    cmd_sp->handle, fcport->tgt_id);
398 
399 	wait_for_completion(&abt_iocb->u.abt.comp);
400 
401 	rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
402 	    QLA_SUCCESS : QLA_FUNCTION_FAILED;
403 
404 done_free_sp:
405 	sp->free(vha, sp);
406 done:
407 	return rval;
408 }
409 
410 int
411 qla24xx_async_abort_command(srb_t *sp)
412 {
413 	unsigned long   flags = 0;
414 
415 	uint32_t	handle;
416 	fc_port_t	*fcport = sp->fcport;
417 	struct scsi_qla_host *vha = fcport->vha;
418 	struct qla_hw_data *ha = vha->hw;
419 	struct req_que *req = vha->req;
420 
421 	spin_lock_irqsave(&ha->hardware_lock, flags);
422 	for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
423 		if (req->outstanding_cmds[handle] == sp)
424 			break;
425 	}
426 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
427 	if (handle == req->num_outstanding_cmds) {
428 		/* Command not found. */
429 		return QLA_FUNCTION_FAILED;
430 	}
431 	if (sp->type == SRB_FXIOCB_DCMD)
432 		return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
433 		    FXDISC_ABORT_IOCTL);
434 
435 	return qla24xx_async_abort_cmd(sp);
436 }
437 
438 void
439 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
440     uint16_t *data)
441 {
442 	int rval;
443 
444 	switch (data[0]) {
445 	case MBS_COMMAND_COMPLETE:
446 		/*
447 		 * Driver must validate login state - If PRLI not complete,
448 		 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
449 		 * requests.
450 		 */
451 		rval = qla2x00_get_port_database(vha, fcport, 0);
452 		if (rval == QLA_NOT_LOGGED_IN) {
453 			fcport->flags &= ~FCF_ASYNC_SENT;
454 			fcport->flags |= FCF_LOGIN_NEEDED;
455 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
456 			break;
457 		}
458 
459 		if (rval != QLA_SUCCESS) {
460 			qla2x00_post_async_logout_work(vha, fcport, NULL);
461 			qla2x00_post_async_login_work(vha, fcport, NULL);
462 			break;
463 		}
464 		if (fcport->flags & FCF_FCP2_DEVICE) {
465 			qla2x00_post_async_adisc_work(vha, fcport, data);
466 			break;
467 		}
468 		qla2x00_update_fcport(vha, fcport);
469 		break;
470 	case MBS_COMMAND_ERROR:
471 		fcport->flags &= ~FCF_ASYNC_SENT;
472 		if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
473 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
474 		else
475 			qla2x00_mark_device_lost(vha, fcport, 1, 0);
476 		break;
477 	case MBS_PORT_ID_USED:
478 		fcport->loop_id = data[1];
479 		qla2x00_post_async_logout_work(vha, fcport, NULL);
480 		qla2x00_post_async_login_work(vha, fcport, NULL);
481 		break;
482 	case MBS_LOOP_ID_USED:
483 		fcport->loop_id++;
484 		rval = qla2x00_find_new_loop_id(vha, fcport);
485 		if (rval != QLA_SUCCESS) {
486 			fcport->flags &= ~FCF_ASYNC_SENT;
487 			qla2x00_mark_device_lost(vha, fcport, 1, 0);
488 			break;
489 		}
490 		qla2x00_post_async_login_work(vha, fcport, NULL);
491 		break;
492 	}
493 	return;
494 }
495 
496 void
497 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
498     uint16_t *data)
499 {
500 	qla2x00_mark_device_lost(vha, fcport, 1, 0);
501 	return;
502 }
503 
504 void
505 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
506     uint16_t *data)
507 {
508 	if (data[0] == MBS_COMMAND_COMPLETE) {
509 		qla2x00_update_fcport(vha, fcport);
510 
511 		return;
512 	}
513 
514 	/* Retry login. */
515 	fcport->flags &= ~FCF_ASYNC_SENT;
516 	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
517 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
518 	else
519 		qla2x00_mark_device_lost(vha, fcport, 1, 0);
520 
521 	return;
522 }
523 
524 /****************************************************************************/
525 /*                QLogic ISP2x00 Hardware Support Functions.                */
526 /****************************************************************************/
527 
528 static int
529 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
530 {
531 	int rval = QLA_SUCCESS;
532 	struct qla_hw_data *ha = vha->hw;
533 	uint32_t idc_major_ver, idc_minor_ver;
534 	uint16_t config[4];
535 
536 	qla83xx_idc_lock(vha, 0);
537 
538 	/* SV: TODO: Assign initialization timeout from
539 	 * flash-info / other param
540 	 */
541 	ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
542 	ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
543 
544 	/* Set our fcoe function presence */
545 	if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
546 		ql_dbg(ql_dbg_p3p, vha, 0xb077,
547 		    "Error while setting DRV-Presence.\n");
548 		rval = QLA_FUNCTION_FAILED;
549 		goto exit;
550 	}
551 
552 	/* Decide the reset ownership */
553 	qla83xx_reset_ownership(vha);
554 
555 	/*
556 	 * On first protocol driver load:
557 	 * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
558 	 * register.
559 	 * Others: Check compatibility with current IDC Major version.
560 	 */
561 	qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
562 	if (ha->flags.nic_core_reset_owner) {
563 		/* Set IDC Major version */
564 		idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
565 		qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
566 
567 		/* Clearing IDC-Lock-Recovery register */
568 		qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
569 	} else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
570 		/*
571 		 * Clear further IDC participation if we are not compatible with
572 		 * the current IDC Major Version.
573 		 */
574 		ql_log(ql_log_warn, vha, 0xb07d,
575 		    "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
576 		    idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
577 		__qla83xx_clear_drv_presence(vha);
578 		rval = QLA_FUNCTION_FAILED;
579 		goto exit;
580 	}
581 	/* Each function sets its supported Minor version. */
582 	qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
583 	idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
584 	qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
585 
586 	if (ha->flags.nic_core_reset_owner) {
587 		memset(config, 0, sizeof(config));
588 		if (!qla81xx_get_port_config(vha, config))
589 			qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
590 			    QLA8XXX_DEV_READY);
591 	}
592 
593 	rval = qla83xx_idc_state_handler(vha);
594 
595 exit:
596 	qla83xx_idc_unlock(vha, 0);
597 
598 	return rval;
599 }
600 
601 /*
602 * qla2x00_initialize_adapter
603 *      Initialize board.
604 *
605 * Input:
606 *      ha = adapter block pointer.
607 *
608 * Returns:
609 *      0 = success
610 */
611 int
612 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
613 {
614 	int	rval;
615 	struct qla_hw_data *ha = vha->hw;
616 	struct req_que *req = ha->req_q_map[0];
617 
618 	/* Clear adapter flags. */
619 	vha->flags.online = 0;
620 	ha->flags.chip_reset_done = 0;
621 	vha->flags.reset_active = 0;
622 	ha->flags.pci_channel_io_perm_failure = 0;
623 	ha->flags.eeh_busy = 0;
624 	vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
625 	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
626 	atomic_set(&vha->loop_state, LOOP_DOWN);
627 	vha->device_flags = DFLG_NO_CABLE;
628 	vha->dpc_flags = 0;
629 	vha->flags.management_server_logged_in = 0;
630 	vha->marker_needed = 0;
631 	ha->isp_abort_cnt = 0;
632 	ha->beacon_blink_led = 0;
633 
634 	set_bit(0, ha->req_qid_map);
635 	set_bit(0, ha->rsp_qid_map);
636 
637 	ql_dbg(ql_dbg_init, vha, 0x0040,
638 	    "Configuring PCI space...\n");
639 	rval = ha->isp_ops->pci_config(vha);
640 	if (rval) {
641 		ql_log(ql_log_warn, vha, 0x0044,
642 		    "Unable to configure PCI space.\n");
643 		return (rval);
644 	}
645 
646 	ha->isp_ops->reset_chip(vha);
647 
648 	rval = qla2xxx_get_flash_info(vha);
649 	if (rval) {
650 		ql_log(ql_log_fatal, vha, 0x004f,
651 		    "Unable to validate FLASH data.\n");
652 		return rval;
653 	}
654 
655 	if (IS_QLA8044(ha)) {
656 		qla8044_read_reset_template(vha);
657 
658 		/* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
659 		 * If DONRESET_BIT0 is set, drivers should not set dev_state
660 		 * to NEED_RESET. But if NEED_RESET is set, drivers should
661 		 * should honor the reset. */
662 		if (ql2xdontresethba == 1)
663 			qla8044_set_idc_dontreset(vha);
664 	}
665 
666 	ha->isp_ops->get_flash_version(vha, req->ring);
667 	ql_dbg(ql_dbg_init, vha, 0x0061,
668 	    "Configure NVRAM parameters...\n");
669 
670 	ha->isp_ops->nvram_config(vha);
671 
672 	if (ha->flags.disable_serdes) {
673 		/* Mask HBA via NVRAM settings? */
674 		ql_log(ql_log_info, vha, 0x0077,
675 		    "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
676 		return QLA_FUNCTION_FAILED;
677 	}
678 
679 	ql_dbg(ql_dbg_init, vha, 0x0078,
680 	    "Verifying loaded RISC code...\n");
681 
682 	if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
683 		rval = ha->isp_ops->chip_diag(vha);
684 		if (rval)
685 			return (rval);
686 		rval = qla2x00_setup_chip(vha);
687 		if (rval)
688 			return (rval);
689 	}
690 
691 	if (IS_QLA84XX(ha)) {
692 		ha->cs84xx = qla84xx_get_chip(vha);
693 		if (!ha->cs84xx) {
694 			ql_log(ql_log_warn, vha, 0x00d0,
695 			    "Unable to configure ISP84XX.\n");
696 			return QLA_FUNCTION_FAILED;
697 		}
698 	}
699 
700 	if (qla_ini_mode_enabled(vha))
701 		rval = qla2x00_init_rings(vha);
702 
703 	ha->flags.chip_reset_done = 1;
704 
705 	if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
706 		/* Issue verify 84xx FW IOCB to complete 84xx initialization */
707 		rval = qla84xx_init_chip(vha);
708 		if (rval != QLA_SUCCESS) {
709 			ql_log(ql_log_warn, vha, 0x00d4,
710 			    "Unable to initialize ISP84XX.\n");
711 		qla84xx_put_chip(vha);
712 		}
713 	}
714 
715 	/* Load the NIC Core f/w if we are the first protocol driver. */
716 	if (IS_QLA8031(ha)) {
717 		rval = qla83xx_nic_core_fw_load(vha);
718 		if (rval)
719 			ql_log(ql_log_warn, vha, 0x0124,
720 			    "Error in initializing NIC Core f/w.\n");
721 	}
722 
723 	if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
724 		qla24xx_read_fcp_prio_cfg(vha);
725 
726 	if (IS_P3P_TYPE(ha))
727 		qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
728 	else
729 		qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
730 
731 	return (rval);
732 }
733 
734 /**
735  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
736  * @ha: HA context
737  *
738  * Returns 0 on success.
739  */
740 int
741 qla2100_pci_config(scsi_qla_host_t *vha)
742 {
743 	uint16_t w;
744 	unsigned long flags;
745 	struct qla_hw_data *ha = vha->hw;
746 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
747 
748 	pci_set_master(ha->pdev);
749 	pci_try_set_mwi(ha->pdev);
750 
751 	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
752 	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
753 	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
754 
755 	pci_disable_rom(ha->pdev);
756 
757 	/* Get PCI bus information. */
758 	spin_lock_irqsave(&ha->hardware_lock, flags);
759 	ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
760 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
761 
762 	return QLA_SUCCESS;
763 }
764 
765 /**
766  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
767  * @ha: HA context
768  *
769  * Returns 0 on success.
770  */
771 int
772 qla2300_pci_config(scsi_qla_host_t *vha)
773 {
774 	uint16_t	w;
775 	unsigned long   flags = 0;
776 	uint32_t	cnt;
777 	struct qla_hw_data *ha = vha->hw;
778 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
779 
780 	pci_set_master(ha->pdev);
781 	pci_try_set_mwi(ha->pdev);
782 
783 	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
784 	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
785 
786 	if (IS_QLA2322(ha) || IS_QLA6322(ha))
787 		w &= ~PCI_COMMAND_INTX_DISABLE;
788 	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
789 
790 	/*
791 	 * If this is a 2300 card and not 2312, reset the
792 	 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
793 	 * the 2310 also reports itself as a 2300 so we need to get the
794 	 * fb revision level -- a 6 indicates it really is a 2300 and
795 	 * not a 2310.
796 	 */
797 	if (IS_QLA2300(ha)) {
798 		spin_lock_irqsave(&ha->hardware_lock, flags);
799 
800 		/* Pause RISC. */
801 		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
802 		for (cnt = 0; cnt < 30000; cnt++) {
803 			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
804 				break;
805 
806 			udelay(10);
807 		}
808 
809 		/* Select FPM registers. */
810 		WRT_REG_WORD(&reg->ctrl_status, 0x20);
811 		RD_REG_WORD(&reg->ctrl_status);
812 
813 		/* Get the fb rev level */
814 		ha->fb_rev = RD_FB_CMD_REG(ha, reg);
815 
816 		if (ha->fb_rev == FPM_2300)
817 			pci_clear_mwi(ha->pdev);
818 
819 		/* Deselect FPM registers. */
820 		WRT_REG_WORD(&reg->ctrl_status, 0x0);
821 		RD_REG_WORD(&reg->ctrl_status);
822 
823 		/* Release RISC module. */
824 		WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
825 		for (cnt = 0; cnt < 30000; cnt++) {
826 			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
827 				break;
828 
829 			udelay(10);
830 		}
831 
832 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
833 	}
834 
835 	pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
836 
837 	pci_disable_rom(ha->pdev);
838 
839 	/* Get PCI bus information. */
840 	spin_lock_irqsave(&ha->hardware_lock, flags);
841 	ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
842 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
843 
844 	return QLA_SUCCESS;
845 }
846 
847 /**
848  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
849  * @ha: HA context
850  *
851  * Returns 0 on success.
852  */
853 int
854 qla24xx_pci_config(scsi_qla_host_t *vha)
855 {
856 	uint16_t w;
857 	unsigned long flags = 0;
858 	struct qla_hw_data *ha = vha->hw;
859 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
860 
861 	pci_set_master(ha->pdev);
862 	pci_try_set_mwi(ha->pdev);
863 
864 	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
865 	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
866 	w &= ~PCI_COMMAND_INTX_DISABLE;
867 	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
868 
869 	pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
870 
871 	/* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
872 	if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
873 		pcix_set_mmrbc(ha->pdev, 2048);
874 
875 	/* PCIe -- adjust Maximum Read Request Size (2048). */
876 	if (pci_is_pcie(ha->pdev))
877 		pcie_set_readrq(ha->pdev, 4096);
878 
879 	pci_disable_rom(ha->pdev);
880 
881 	ha->chip_revision = ha->pdev->revision;
882 
883 	/* Get PCI bus information. */
884 	spin_lock_irqsave(&ha->hardware_lock, flags);
885 	ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
886 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
887 
888 	return QLA_SUCCESS;
889 }
890 
891 /**
892  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
893  * @ha: HA context
894  *
895  * Returns 0 on success.
896  */
897 int
898 qla25xx_pci_config(scsi_qla_host_t *vha)
899 {
900 	uint16_t w;
901 	struct qla_hw_data *ha = vha->hw;
902 
903 	pci_set_master(ha->pdev);
904 	pci_try_set_mwi(ha->pdev);
905 
906 	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
907 	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
908 	w &= ~PCI_COMMAND_INTX_DISABLE;
909 	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
910 
911 	/* PCIe -- adjust Maximum Read Request Size (2048). */
912 	if (pci_is_pcie(ha->pdev))
913 		pcie_set_readrq(ha->pdev, 4096);
914 
915 	pci_disable_rom(ha->pdev);
916 
917 	ha->chip_revision = ha->pdev->revision;
918 
919 	return QLA_SUCCESS;
920 }
921 
922 /**
923  * qla2x00_isp_firmware() - Choose firmware image.
924  * @ha: HA context
925  *
926  * Returns 0 on success.
927  */
928 static int
929 qla2x00_isp_firmware(scsi_qla_host_t *vha)
930 {
931 	int  rval;
932 	uint16_t loop_id, topo, sw_cap;
933 	uint8_t domain, area, al_pa;
934 	struct qla_hw_data *ha = vha->hw;
935 
936 	/* Assume loading risc code */
937 	rval = QLA_FUNCTION_FAILED;
938 
939 	if (ha->flags.disable_risc_code_load) {
940 		ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
941 
942 		/* Verify checksum of loaded RISC code. */
943 		rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
944 		if (rval == QLA_SUCCESS) {
945 			/* And, verify we are not in ROM code. */
946 			rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
947 			    &area, &domain, &topo, &sw_cap);
948 		}
949 	}
950 
951 	if (rval)
952 		ql_dbg(ql_dbg_init, vha, 0x007a,
953 		    "**** Load RISC code ****.\n");
954 
955 	return (rval);
956 }
957 
958 /**
959  * qla2x00_reset_chip() - Reset ISP chip.
960  * @ha: HA context
961  *
962  * Returns 0 on success.
963  */
964 void
965 qla2x00_reset_chip(scsi_qla_host_t *vha)
966 {
967 	unsigned long   flags = 0;
968 	struct qla_hw_data *ha = vha->hw;
969 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
970 	uint32_t	cnt;
971 	uint16_t	cmd;
972 
973 	if (unlikely(pci_channel_offline(ha->pdev)))
974 		return;
975 
976 	ha->isp_ops->disable_intrs(ha);
977 
978 	spin_lock_irqsave(&ha->hardware_lock, flags);
979 
980 	/* Turn off master enable */
981 	cmd = 0;
982 	pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
983 	cmd &= ~PCI_COMMAND_MASTER;
984 	pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
985 
986 	if (!IS_QLA2100(ha)) {
987 		/* Pause RISC. */
988 		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
989 		if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
990 			for (cnt = 0; cnt < 30000; cnt++) {
991 				if ((RD_REG_WORD(&reg->hccr) &
992 				    HCCR_RISC_PAUSE) != 0)
993 					break;
994 				udelay(100);
995 			}
996 		} else {
997 			RD_REG_WORD(&reg->hccr);	/* PCI Posting. */
998 			udelay(10);
999 		}
1000 
1001 		/* Select FPM registers. */
1002 		WRT_REG_WORD(&reg->ctrl_status, 0x20);
1003 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
1004 
1005 		/* FPM Soft Reset. */
1006 		WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
1007 		RD_REG_WORD(&reg->fpm_diag_config);	/* PCI Posting. */
1008 
1009 		/* Toggle Fpm Reset. */
1010 		if (!IS_QLA2200(ha)) {
1011 			WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
1012 			RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
1013 		}
1014 
1015 		/* Select frame buffer registers. */
1016 		WRT_REG_WORD(&reg->ctrl_status, 0x10);
1017 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
1018 
1019 		/* Reset frame buffer FIFOs. */
1020 		if (IS_QLA2200(ha)) {
1021 			WRT_FB_CMD_REG(ha, reg, 0xa000);
1022 			RD_FB_CMD_REG(ha, reg);		/* PCI Posting. */
1023 		} else {
1024 			WRT_FB_CMD_REG(ha, reg, 0x00fc);
1025 
1026 			/* Read back fb_cmd until zero or 3 seconds max */
1027 			for (cnt = 0; cnt < 3000; cnt++) {
1028 				if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
1029 					break;
1030 				udelay(100);
1031 			}
1032 		}
1033 
1034 		/* Select RISC module registers. */
1035 		WRT_REG_WORD(&reg->ctrl_status, 0);
1036 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
1037 
1038 		/* Reset RISC processor. */
1039 		WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1040 		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
1041 
1042 		/* Release RISC processor. */
1043 		WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1044 		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
1045 	}
1046 
1047 	WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
1048 	WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
1049 
1050 	/* Reset ISP chip. */
1051 	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1052 
1053 	/* Wait for RISC to recover from reset. */
1054 	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1055 		/*
1056 		 * It is necessary to for a delay here since the card doesn't
1057 		 * respond to PCI reads during a reset. On some architectures
1058 		 * this will result in an MCA.
1059 		 */
1060 		udelay(20);
1061 		for (cnt = 30000; cnt; cnt--) {
1062 			if ((RD_REG_WORD(&reg->ctrl_status) &
1063 			    CSR_ISP_SOFT_RESET) == 0)
1064 				break;
1065 			udelay(100);
1066 		}
1067 	} else
1068 		udelay(10);
1069 
1070 	/* Reset RISC processor. */
1071 	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1072 
1073 	WRT_REG_WORD(&reg->semaphore, 0);
1074 
1075 	/* Release RISC processor. */
1076 	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1077 	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
1078 
1079 	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1080 		for (cnt = 0; cnt < 30000; cnt++) {
1081 			if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1082 				break;
1083 
1084 			udelay(100);
1085 		}
1086 	} else
1087 		udelay(100);
1088 
1089 	/* Turn on master enable */
1090 	cmd |= PCI_COMMAND_MASTER;
1091 	pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
1092 
1093 	/* Disable RISC pause on FPM parity error. */
1094 	if (!IS_QLA2100(ha)) {
1095 		WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
1096 		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
1097 	}
1098 
1099 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1100 }
1101 
1102 /**
1103  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
1104  *
1105  * Returns 0 on success.
1106  */
1107 static int
1108 qla81xx_reset_mpi(scsi_qla_host_t *vha)
1109 {
1110 	uint16_t mb[4] = {0x1010, 0, 1, 0};
1111 
1112 	if (!IS_QLA81XX(vha->hw))
1113 		return QLA_SUCCESS;
1114 
1115 	return qla81xx_write_mpi_register(vha, mb);
1116 }
1117 
1118 /**
1119  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
1120  * @ha: HA context
1121  *
1122  * Returns 0 on success.
1123  */
1124 static inline void
1125 qla24xx_reset_risc(scsi_qla_host_t *vha)
1126 {
1127 	unsigned long flags = 0;
1128 	struct qla_hw_data *ha = vha->hw;
1129 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1130 	uint32_t cnt, d2;
1131 	uint16_t wd;
1132 	static int abts_cnt; /* ISP abort retry counts */
1133 
1134 	spin_lock_irqsave(&ha->hardware_lock, flags);
1135 
1136 	/* Reset RISC. */
1137 	WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1138 	for (cnt = 0; cnt < 30000; cnt++) {
1139 		if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1140 			break;
1141 
1142 		udelay(10);
1143 	}
1144 
1145 	WRT_REG_DWORD(&reg->ctrl_status,
1146 	    CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1147 	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1148 
1149 	udelay(100);
1150 	/* Wait for firmware to complete NVRAM accesses. */
1151 	d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1152 	for (cnt = 10000 ; cnt && d2; cnt--) {
1153 		udelay(5);
1154 		d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1155 		barrier();
1156 	}
1157 
1158 	/* Wait for soft-reset to complete. */
1159 	d2 = RD_REG_DWORD(&reg->ctrl_status);
1160 	for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1161 		udelay(5);
1162 		d2 = RD_REG_DWORD(&reg->ctrl_status);
1163 		barrier();
1164 	}
1165 
1166 	/* If required, do an MPI FW reset now */
1167 	if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1168 		if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1169 			if (++abts_cnt < 5) {
1170 				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1171 				set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1172 			} else {
1173 				/*
1174 				 * We exhausted the ISP abort retries. We have to
1175 				 * set the board offline.
1176 				 */
1177 				abts_cnt = 0;
1178 				vha->flags.online = 0;
1179 			}
1180 		}
1181 	}
1182 
1183 	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1184 	RD_REG_DWORD(&reg->hccr);
1185 
1186 	WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1187 	RD_REG_DWORD(&reg->hccr);
1188 
1189 	WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1190 	RD_REG_DWORD(&reg->hccr);
1191 
1192 	d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1193 	for (cnt = 6000000 ; cnt && d2; cnt--) {
1194 		udelay(5);
1195 		d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1196 		barrier();
1197 	}
1198 
1199 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1200 
1201 	if (IS_NOPOLLING_TYPE(ha))
1202 		ha->isp_ops->enable_intrs(ha);
1203 }
1204 
1205 static void
1206 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
1207 {
1208 	struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1209 
1210 	WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1211 	*data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
1212 
1213 }
1214 
1215 static void
1216 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
1217 {
1218 	struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1219 
1220 	WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1221 	WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
1222 }
1223 
1224 static void
1225 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
1226 {
1227 	struct qla_hw_data *ha = vha->hw;
1228 	uint32_t wd32 = 0;
1229 	uint delta_msec = 100;
1230 	uint elapsed_msec = 0;
1231 	uint timeout_msec;
1232 	ulong n;
1233 
1234 	if (!IS_QLA25XX(ha) && !IS_QLA2031(ha))
1235 		return;
1236 
1237 attempt:
1238 	timeout_msec = TIMEOUT_SEMAPHORE;
1239 	n = timeout_msec / delta_msec;
1240 	while (n--) {
1241 		qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
1242 		qla25xx_read_risc_sema_reg(vha, &wd32);
1243 		if (wd32 & RISC_SEMAPHORE)
1244 			break;
1245 		msleep(delta_msec);
1246 		elapsed_msec += delta_msec;
1247 		if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1248 			goto force;
1249 	}
1250 
1251 	if (!(wd32 & RISC_SEMAPHORE))
1252 		goto force;
1253 
1254 	if (!(wd32 & RISC_SEMAPHORE_FORCE))
1255 		goto acquired;
1256 
1257 	qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
1258 	timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
1259 	n = timeout_msec / delta_msec;
1260 	while (n--) {
1261 		qla25xx_read_risc_sema_reg(vha, &wd32);
1262 		if (!(wd32 & RISC_SEMAPHORE_FORCE))
1263 			break;
1264 		msleep(delta_msec);
1265 		elapsed_msec += delta_msec;
1266 		if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1267 			goto force;
1268 	}
1269 
1270 	if (wd32 & RISC_SEMAPHORE_FORCE)
1271 		qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
1272 
1273 	goto attempt;
1274 
1275 force:
1276 	qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
1277 
1278 acquired:
1279 	return;
1280 }
1281 
1282 /**
1283  * qla24xx_reset_chip() - Reset ISP24xx chip.
1284  * @ha: HA context
1285  *
1286  * Returns 0 on success.
1287  */
1288 void
1289 qla24xx_reset_chip(scsi_qla_host_t *vha)
1290 {
1291 	struct qla_hw_data *ha = vha->hw;
1292 
1293 	if (pci_channel_offline(ha->pdev) &&
1294 	    ha->flags.pci_channel_io_perm_failure) {
1295 		return;
1296 	}
1297 
1298 	ha->isp_ops->disable_intrs(ha);
1299 
1300 	qla25xx_manipulate_risc_semaphore(vha);
1301 
1302 	/* Perform RISC reset. */
1303 	qla24xx_reset_risc(vha);
1304 }
1305 
1306 /**
1307  * qla2x00_chip_diag() - Test chip for proper operation.
1308  * @ha: HA context
1309  *
1310  * Returns 0 on success.
1311  */
1312 int
1313 qla2x00_chip_diag(scsi_qla_host_t *vha)
1314 {
1315 	int		rval;
1316 	struct qla_hw_data *ha = vha->hw;
1317 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1318 	unsigned long	flags = 0;
1319 	uint16_t	data;
1320 	uint32_t	cnt;
1321 	uint16_t	mb[5];
1322 	struct req_que *req = ha->req_q_map[0];
1323 
1324 	/* Assume a failed state */
1325 	rval = QLA_FUNCTION_FAILED;
1326 
1327 	ql_dbg(ql_dbg_init, vha, 0x007b,
1328 	    "Testing device at %lx.\n", (u_long)&reg->flash_address);
1329 
1330 	spin_lock_irqsave(&ha->hardware_lock, flags);
1331 
1332 	/* Reset ISP chip. */
1333 	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1334 
1335 	/*
1336 	 * We need to have a delay here since the card will not respond while
1337 	 * in reset causing an MCA on some architectures.
1338 	 */
1339 	udelay(20);
1340 	data = qla2x00_debounce_register(&reg->ctrl_status);
1341 	for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1342 		udelay(5);
1343 		data = RD_REG_WORD(&reg->ctrl_status);
1344 		barrier();
1345 	}
1346 
1347 	if (!cnt)
1348 		goto chip_diag_failed;
1349 
1350 	ql_dbg(ql_dbg_init, vha, 0x007c,
1351 	    "Reset register cleared by chip reset.\n");
1352 
1353 	/* Reset RISC processor. */
1354 	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1355 	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1356 
1357 	/* Workaround for QLA2312 PCI parity error */
1358 	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1359 		data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1360 		for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1361 			udelay(5);
1362 			data = RD_MAILBOX_REG(ha, reg, 0);
1363 			barrier();
1364 		}
1365 	} else
1366 		udelay(10);
1367 
1368 	if (!cnt)
1369 		goto chip_diag_failed;
1370 
1371 	/* Check product ID of chip */
1372 	ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1373 
1374 	mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1375 	mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1376 	mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1377 	mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1378 	if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1379 	    mb[3] != PROD_ID_3) {
1380 		ql_log(ql_log_warn, vha, 0x0062,
1381 		    "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1382 		    mb[1], mb[2], mb[3]);
1383 
1384 		goto chip_diag_failed;
1385 	}
1386 	ha->product_id[0] = mb[1];
1387 	ha->product_id[1] = mb[2];
1388 	ha->product_id[2] = mb[3];
1389 	ha->product_id[3] = mb[4];
1390 
1391 	/* Adjust fw RISC transfer size */
1392 	if (req->length > 1024)
1393 		ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1394 	else
1395 		ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1396 		    req->length;
1397 
1398 	if (IS_QLA2200(ha) &&
1399 	    RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1400 		/* Limit firmware transfer size with a 2200A */
1401 		ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1402 
1403 		ha->device_type |= DT_ISP2200A;
1404 		ha->fw_transfer_size = 128;
1405 	}
1406 
1407 	/* Wrap Incoming Mailboxes Test. */
1408 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1409 
1410 	ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1411 	rval = qla2x00_mbx_reg_test(vha);
1412 	if (rval)
1413 		ql_log(ql_log_warn, vha, 0x0080,
1414 		    "Failed mailbox send register test.\n");
1415 	else
1416 		/* Flag a successful rval */
1417 		rval = QLA_SUCCESS;
1418 	spin_lock_irqsave(&ha->hardware_lock, flags);
1419 
1420 chip_diag_failed:
1421 	if (rval)
1422 		ql_log(ql_log_info, vha, 0x0081,
1423 		    "Chip diagnostics **** FAILED ****.\n");
1424 
1425 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1426 
1427 	return (rval);
1428 }
1429 
1430 /**
1431  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1432  * @ha: HA context
1433  *
1434  * Returns 0 on success.
1435  */
1436 int
1437 qla24xx_chip_diag(scsi_qla_host_t *vha)
1438 {
1439 	int rval;
1440 	struct qla_hw_data *ha = vha->hw;
1441 	struct req_que *req = ha->req_q_map[0];
1442 
1443 	if (IS_P3P_TYPE(ha))
1444 		return QLA_SUCCESS;
1445 
1446 	ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1447 
1448 	rval = qla2x00_mbx_reg_test(vha);
1449 	if (rval) {
1450 		ql_log(ql_log_warn, vha, 0x0082,
1451 		    "Failed mailbox send register test.\n");
1452 	} else {
1453 		/* Flag a successful rval */
1454 		rval = QLA_SUCCESS;
1455 	}
1456 
1457 	return rval;
1458 }
1459 
1460 void
1461 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1462 {
1463 	int rval;
1464 	uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1465 	    eft_size, fce_size, mq_size;
1466 	dma_addr_t tc_dma;
1467 	void *tc;
1468 	struct qla_hw_data *ha = vha->hw;
1469 	struct req_que *req = ha->req_q_map[0];
1470 	struct rsp_que *rsp = ha->rsp_q_map[0];
1471 
1472 	if (ha->fw_dump) {
1473 		ql_dbg(ql_dbg_init, vha, 0x00bd,
1474 		    "Firmware dump already allocated.\n");
1475 		return;
1476 	}
1477 
1478 	ha->fw_dumped = 0;
1479 	ha->fw_dump_cap_flags = 0;
1480 	dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1481 	req_q_size = rsp_q_size = 0;
1482 
1483 	if (IS_QLA27XX(ha))
1484 		goto try_fce;
1485 
1486 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1487 		fixed_size = sizeof(struct qla2100_fw_dump);
1488 	} else if (IS_QLA23XX(ha)) {
1489 		fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1490 		mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1491 		    sizeof(uint16_t);
1492 	} else if (IS_FWI2_CAPABLE(ha)) {
1493 		if (IS_QLA83XX(ha))
1494 			fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1495 		else if (IS_QLA81XX(ha))
1496 			fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1497 		else if (IS_QLA25XX(ha))
1498 			fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1499 		else
1500 			fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1501 
1502 		mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1503 		    sizeof(uint32_t);
1504 		if (ha->mqenable) {
1505 			if (!IS_QLA83XX(ha))
1506 				mq_size = sizeof(struct qla2xxx_mq_chain);
1507 			/*
1508 			 * Allocate maximum buffer size for all queues.
1509 			 * Resizing must be done at end-of-dump processing.
1510 			 */
1511 			mq_size += ha->max_req_queues *
1512 			    (req->length * sizeof(request_t));
1513 			mq_size += ha->max_rsp_queues *
1514 			    (rsp->length * sizeof(response_t));
1515 		}
1516 		if (ha->tgt.atio_ring)
1517 			mq_size += ha->tgt.atio_q_length * sizeof(request_t);
1518 		/* Allocate memory for Fibre Channel Event Buffer. */
1519 		if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1520 		    !IS_QLA27XX(ha))
1521 			goto try_eft;
1522 
1523 try_fce:
1524 		if (ha->fce)
1525 			dma_free_coherent(&ha->pdev->dev,
1526 			    FCE_SIZE, ha->fce, ha->fce_dma);
1527 
1528 		/* Allocate memory for Fibre Channel Event Buffer. */
1529 		tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1530 					 GFP_KERNEL);
1531 		if (!tc) {
1532 			ql_log(ql_log_warn, vha, 0x00be,
1533 			    "Unable to allocate (%d KB) for FCE.\n",
1534 			    FCE_SIZE / 1024);
1535 			goto try_eft;
1536 		}
1537 
1538 		rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1539 		    ha->fce_mb, &ha->fce_bufs);
1540 		if (rval) {
1541 			ql_log(ql_log_warn, vha, 0x00bf,
1542 			    "Unable to initialize FCE (%d).\n", rval);
1543 			dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1544 			    tc_dma);
1545 			ha->flags.fce_enabled = 0;
1546 			goto try_eft;
1547 		}
1548 		ql_dbg(ql_dbg_init, vha, 0x00c0,
1549 		    "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1550 
1551 		fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1552 		ha->flags.fce_enabled = 1;
1553 		ha->fce_dma = tc_dma;
1554 		ha->fce = tc;
1555 
1556 try_eft:
1557 		if (ha->eft)
1558 			dma_free_coherent(&ha->pdev->dev,
1559 			    EFT_SIZE, ha->eft, ha->eft_dma);
1560 
1561 		/* Allocate memory for Extended Trace Buffer. */
1562 		tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1563 					 GFP_KERNEL);
1564 		if (!tc) {
1565 			ql_log(ql_log_warn, vha, 0x00c1,
1566 			    "Unable to allocate (%d KB) for EFT.\n",
1567 			    EFT_SIZE / 1024);
1568 			goto cont_alloc;
1569 		}
1570 
1571 		rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1572 		if (rval) {
1573 			ql_log(ql_log_warn, vha, 0x00c2,
1574 			    "Unable to initialize EFT (%d).\n", rval);
1575 			dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1576 			    tc_dma);
1577 			goto cont_alloc;
1578 		}
1579 		ql_dbg(ql_dbg_init, vha, 0x00c3,
1580 		    "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1581 
1582 		eft_size = EFT_SIZE;
1583 		ha->eft_dma = tc_dma;
1584 		ha->eft = tc;
1585 	}
1586 
1587 cont_alloc:
1588 	if (IS_QLA27XX(ha)) {
1589 		if (!ha->fw_dump_template) {
1590 			ql_log(ql_log_warn, vha, 0x00ba,
1591 			    "Failed missing fwdump template\n");
1592 			return;
1593 		}
1594 		dump_size = qla27xx_fwdt_calculate_dump_size(vha);
1595 		ql_dbg(ql_dbg_init, vha, 0x00fa,
1596 		    "-> allocating fwdump (%x bytes)...\n", dump_size);
1597 		goto allocate;
1598 	}
1599 
1600 	req_q_size = req->length * sizeof(request_t);
1601 	rsp_q_size = rsp->length * sizeof(response_t);
1602 	dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1603 	dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1604 	ha->chain_offset = dump_size;
1605 	dump_size += mq_size + fce_size;
1606 
1607 allocate:
1608 	ha->fw_dump = vmalloc(dump_size);
1609 	if (!ha->fw_dump) {
1610 		ql_log(ql_log_warn, vha, 0x00c4,
1611 		    "Unable to allocate (%d KB) for firmware dump.\n",
1612 		    dump_size / 1024);
1613 
1614 		if (ha->fce) {
1615 			dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1616 			    ha->fce_dma);
1617 			ha->fce = NULL;
1618 			ha->fce_dma = 0;
1619 		}
1620 
1621 		if (ha->eft) {
1622 			dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1623 			    ha->eft_dma);
1624 			ha->eft = NULL;
1625 			ha->eft_dma = 0;
1626 		}
1627 		return;
1628 	}
1629 	ha->fw_dump_len = dump_size;
1630 	ql_dbg(ql_dbg_init, vha, 0x00c5,
1631 	    "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1632 
1633 	if (IS_QLA27XX(ha))
1634 		return;
1635 
1636 	ha->fw_dump->signature[0] = 'Q';
1637 	ha->fw_dump->signature[1] = 'L';
1638 	ha->fw_dump->signature[2] = 'G';
1639 	ha->fw_dump->signature[3] = 'C';
1640 	ha->fw_dump->version = __constant_htonl(1);
1641 
1642 	ha->fw_dump->fixed_size = htonl(fixed_size);
1643 	ha->fw_dump->mem_size = htonl(mem_size);
1644 	ha->fw_dump->req_q_size = htonl(req_q_size);
1645 	ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1646 
1647 	ha->fw_dump->eft_size = htonl(eft_size);
1648 	ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1649 	ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1650 
1651 	ha->fw_dump->header_size =
1652 	    htonl(offsetof(struct qla2xxx_fw_dump, isp));
1653 }
1654 
1655 static int
1656 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1657 {
1658 #define MPS_MASK	0xe0
1659 	int rval;
1660 	uint16_t dc;
1661 	uint32_t dw;
1662 
1663 	if (!IS_QLA81XX(vha->hw))
1664 		return QLA_SUCCESS;
1665 
1666 	rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1667 	if (rval != QLA_SUCCESS) {
1668 		ql_log(ql_log_warn, vha, 0x0105,
1669 		    "Unable to acquire semaphore.\n");
1670 		goto done;
1671 	}
1672 
1673 	pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1674 	rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1675 	if (rval != QLA_SUCCESS) {
1676 		ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1677 		goto done_release;
1678 	}
1679 
1680 	dc &= MPS_MASK;
1681 	if (dc == (dw & MPS_MASK))
1682 		goto done_release;
1683 
1684 	dw &= ~MPS_MASK;
1685 	dw |= dc;
1686 	rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1687 	if (rval != QLA_SUCCESS) {
1688 		ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1689 	}
1690 
1691 done_release:
1692 	rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1693 	if (rval != QLA_SUCCESS) {
1694 		ql_log(ql_log_warn, vha, 0x006d,
1695 		    "Unable to release semaphore.\n");
1696 	}
1697 
1698 done:
1699 	return rval;
1700 }
1701 
1702 int
1703 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
1704 {
1705 	/* Don't try to reallocate the array */
1706 	if (req->outstanding_cmds)
1707 		return QLA_SUCCESS;
1708 
1709 	if (!IS_FWI2_CAPABLE(ha) || (ha->mqiobase &&
1710 	    (ql2xmultique_tag || ql2xmaxqueues > 1)))
1711 		req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
1712 	else {
1713 		if (ha->fw_xcb_count <= ha->fw_iocb_count)
1714 			req->num_outstanding_cmds = ha->fw_xcb_count;
1715 		else
1716 			req->num_outstanding_cmds = ha->fw_iocb_count;
1717 	}
1718 
1719 	req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1720 	    req->num_outstanding_cmds, GFP_KERNEL);
1721 
1722 	if (!req->outstanding_cmds) {
1723 		/*
1724 		 * Try to allocate a minimal size just so we can get through
1725 		 * initialization.
1726 		 */
1727 		req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
1728 		req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1729 		    req->num_outstanding_cmds, GFP_KERNEL);
1730 
1731 		if (!req->outstanding_cmds) {
1732 			ql_log(ql_log_fatal, NULL, 0x0126,
1733 			    "Failed to allocate memory for "
1734 			    "outstanding_cmds for req_que %p.\n", req);
1735 			req->num_outstanding_cmds = 0;
1736 			return QLA_FUNCTION_FAILED;
1737 		}
1738 	}
1739 
1740 	return QLA_SUCCESS;
1741 }
1742 
1743 /**
1744  * qla2x00_setup_chip() - Load and start RISC firmware.
1745  * @ha: HA context
1746  *
1747  * Returns 0 on success.
1748  */
1749 static int
1750 qla2x00_setup_chip(scsi_qla_host_t *vha)
1751 {
1752 	int rval;
1753 	uint32_t srisc_address = 0;
1754 	struct qla_hw_data *ha = vha->hw;
1755 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1756 	unsigned long flags;
1757 	uint16_t fw_major_version;
1758 
1759 	if (IS_P3P_TYPE(ha)) {
1760 		rval = ha->isp_ops->load_risc(vha, &srisc_address);
1761 		if (rval == QLA_SUCCESS) {
1762 			qla2x00_stop_firmware(vha);
1763 			goto enable_82xx_npiv;
1764 		} else
1765 			goto failed;
1766 	}
1767 
1768 	if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1769 		/* Disable SRAM, Instruction RAM and GP RAM parity.  */
1770 		spin_lock_irqsave(&ha->hardware_lock, flags);
1771 		WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1772 		RD_REG_WORD(&reg->hccr);
1773 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1774 	}
1775 
1776 	qla81xx_mpi_sync(vha);
1777 
1778 	/* Load firmware sequences */
1779 	rval = ha->isp_ops->load_risc(vha, &srisc_address);
1780 	if (rval == QLA_SUCCESS) {
1781 		ql_dbg(ql_dbg_init, vha, 0x00c9,
1782 		    "Verifying Checksum of loaded RISC code.\n");
1783 
1784 		rval = qla2x00_verify_checksum(vha, srisc_address);
1785 		if (rval == QLA_SUCCESS) {
1786 			/* Start firmware execution. */
1787 			ql_dbg(ql_dbg_init, vha, 0x00ca,
1788 			    "Starting firmware.\n");
1789 
1790 			rval = qla2x00_execute_fw(vha, srisc_address);
1791 			/* Retrieve firmware information. */
1792 			if (rval == QLA_SUCCESS) {
1793 enable_82xx_npiv:
1794 				fw_major_version = ha->fw_major_version;
1795 				if (IS_P3P_TYPE(ha))
1796 					qla82xx_check_md_needed(vha);
1797 				else
1798 					rval = qla2x00_get_fw_version(vha);
1799 				if (rval != QLA_SUCCESS)
1800 					goto failed;
1801 				ha->flags.npiv_supported = 0;
1802 				if (IS_QLA2XXX_MIDTYPE(ha) &&
1803 					 (ha->fw_attributes & BIT_2)) {
1804 					ha->flags.npiv_supported = 1;
1805 					if ((!ha->max_npiv_vports) ||
1806 					    ((ha->max_npiv_vports + 1) %
1807 					    MIN_MULTI_ID_FABRIC))
1808 						ha->max_npiv_vports =
1809 						    MIN_MULTI_ID_FABRIC - 1;
1810 				}
1811 				qla2x00_get_resource_cnts(vha, NULL,
1812 				    &ha->fw_xcb_count, NULL, &ha->fw_iocb_count,
1813 				    &ha->max_npiv_vports, NULL);
1814 
1815 				/*
1816 				 * Allocate the array of outstanding commands
1817 				 * now that we know the firmware resources.
1818 				 */
1819 				rval = qla2x00_alloc_outstanding_cmds(ha,
1820 				    vha->req);
1821 				if (rval != QLA_SUCCESS)
1822 					goto failed;
1823 
1824 				if (!fw_major_version && ql2xallocfwdump
1825 				    && !(IS_P3P_TYPE(ha)))
1826 					qla2x00_alloc_fw_dump(vha);
1827 			} else {
1828 				goto failed;
1829 			}
1830 		} else {
1831 			ql_log(ql_log_fatal, vha, 0x00cd,
1832 			    "ISP Firmware failed checksum.\n");
1833 			goto failed;
1834 		}
1835 	} else
1836 		goto failed;
1837 
1838 	if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1839 		/* Enable proper parity. */
1840 		spin_lock_irqsave(&ha->hardware_lock, flags);
1841 		if (IS_QLA2300(ha))
1842 			/* SRAM parity */
1843 			WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1844 		else
1845 			/* SRAM, Instruction RAM and GP RAM parity */
1846 			WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1847 		RD_REG_WORD(&reg->hccr);
1848 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1849 	}
1850 
1851 	if (IS_QLA27XX(ha))
1852 		ha->flags.fac_supported = 1;
1853 	else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1854 		uint32_t size;
1855 
1856 		rval = qla81xx_fac_get_sector_size(vha, &size);
1857 		if (rval == QLA_SUCCESS) {
1858 			ha->flags.fac_supported = 1;
1859 			ha->fdt_block_size = size << 2;
1860 		} else {
1861 			ql_log(ql_log_warn, vha, 0x00ce,
1862 			    "Unsupported FAC firmware (%d.%02d.%02d).\n",
1863 			    ha->fw_major_version, ha->fw_minor_version,
1864 			    ha->fw_subminor_version);
1865 
1866 			if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
1867 				ha->flags.fac_supported = 0;
1868 				rval = QLA_SUCCESS;
1869 			}
1870 		}
1871 	}
1872 failed:
1873 	if (rval) {
1874 		ql_log(ql_log_fatal, vha, 0x00cf,
1875 		    "Setup chip ****FAILED****.\n");
1876 	}
1877 
1878 	return (rval);
1879 }
1880 
1881 /**
1882  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1883  * @ha: HA context
1884  *
1885  * Beginning of request ring has initialization control block already built
1886  * by nvram config routine.
1887  *
1888  * Returns 0 on success.
1889  */
1890 void
1891 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1892 {
1893 	uint16_t cnt;
1894 	response_t *pkt;
1895 
1896 	rsp->ring_ptr = rsp->ring;
1897 	rsp->ring_index    = 0;
1898 	rsp->status_srb = NULL;
1899 	pkt = rsp->ring_ptr;
1900 	for (cnt = 0; cnt < rsp->length; cnt++) {
1901 		pkt->signature = RESPONSE_PROCESSED;
1902 		pkt++;
1903 	}
1904 }
1905 
1906 /**
1907  * qla2x00_update_fw_options() - Read and process firmware options.
1908  * @ha: HA context
1909  *
1910  * Returns 0 on success.
1911  */
1912 void
1913 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1914 {
1915 	uint16_t swing, emphasis, tx_sens, rx_sens;
1916 	struct qla_hw_data *ha = vha->hw;
1917 
1918 	memset(ha->fw_options, 0, sizeof(ha->fw_options));
1919 	qla2x00_get_fw_options(vha, ha->fw_options);
1920 
1921 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
1922 		return;
1923 
1924 	/* Serial Link options. */
1925 	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1926 	    "Serial link options.\n");
1927 	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1928 	    (uint8_t *)&ha->fw_seriallink_options,
1929 	    sizeof(ha->fw_seriallink_options));
1930 
1931 	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1932 	if (ha->fw_seriallink_options[3] & BIT_2) {
1933 		ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1934 
1935 		/*  1G settings */
1936 		swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1937 		emphasis = (ha->fw_seriallink_options[2] &
1938 		    (BIT_4 | BIT_3)) >> 3;
1939 		tx_sens = ha->fw_seriallink_options[0] &
1940 		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1941 		rx_sens = (ha->fw_seriallink_options[0] &
1942 		    (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1943 		ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1944 		if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1945 			if (rx_sens == 0x0)
1946 				rx_sens = 0x3;
1947 			ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1948 		} else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1949 			ha->fw_options[10] |= BIT_5 |
1950 			    ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1951 			    (tx_sens & (BIT_1 | BIT_0));
1952 
1953 		/*  2G settings */
1954 		swing = (ha->fw_seriallink_options[2] &
1955 		    (BIT_7 | BIT_6 | BIT_5)) >> 5;
1956 		emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1957 		tx_sens = ha->fw_seriallink_options[1] &
1958 		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1959 		rx_sens = (ha->fw_seriallink_options[1] &
1960 		    (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1961 		ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1962 		if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1963 			if (rx_sens == 0x0)
1964 				rx_sens = 0x3;
1965 			ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1966 		} else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1967 			ha->fw_options[11] |= BIT_5 |
1968 			    ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1969 			    (tx_sens & (BIT_1 | BIT_0));
1970 	}
1971 
1972 	/* FCP2 options. */
1973 	/*  Return command IOCBs without waiting for an ABTS to complete. */
1974 	ha->fw_options[3] |= BIT_13;
1975 
1976 	/* LED scheme. */
1977 	if (ha->flags.enable_led_scheme)
1978 		ha->fw_options[2] |= BIT_12;
1979 
1980 	/* Detect ISP6312. */
1981 	if (IS_QLA6312(ha))
1982 		ha->fw_options[2] |= BIT_13;
1983 
1984 	/* Update firmware options. */
1985 	qla2x00_set_fw_options(vha, ha->fw_options);
1986 }
1987 
1988 void
1989 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1990 {
1991 	int rval;
1992 	struct qla_hw_data *ha = vha->hw;
1993 
1994 	if (IS_P3P_TYPE(ha))
1995 		return;
1996 
1997 	/* Update Serial Link options. */
1998 	if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1999 		return;
2000 
2001 	rval = qla2x00_set_serdes_params(vha,
2002 	    le16_to_cpu(ha->fw_seriallink_options24[1]),
2003 	    le16_to_cpu(ha->fw_seriallink_options24[2]),
2004 	    le16_to_cpu(ha->fw_seriallink_options24[3]));
2005 	if (rval != QLA_SUCCESS) {
2006 		ql_log(ql_log_warn, vha, 0x0104,
2007 		    "Unable to update Serial Link options (%x).\n", rval);
2008 	}
2009 }
2010 
2011 void
2012 qla2x00_config_rings(struct scsi_qla_host *vha)
2013 {
2014 	struct qla_hw_data *ha = vha->hw;
2015 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2016 	struct req_que *req = ha->req_q_map[0];
2017 	struct rsp_que *rsp = ha->rsp_q_map[0];
2018 
2019 	/* Setup ring parameters in initialization control block. */
2020 	ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
2021 	ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
2022 	ha->init_cb->request_q_length = cpu_to_le16(req->length);
2023 	ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
2024 	ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2025 	ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2026 	ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2027 	ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2028 
2029 	WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
2030 	WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
2031 	WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
2032 	WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
2033 	RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));		/* PCI Posting. */
2034 }
2035 
2036 void
2037 qla24xx_config_rings(struct scsi_qla_host *vha)
2038 {
2039 	struct qla_hw_data *ha = vha->hw;
2040 	device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
2041 	struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
2042 	struct qla_msix_entry *msix;
2043 	struct init_cb_24xx *icb;
2044 	uint16_t rid = 0;
2045 	struct req_que *req = ha->req_q_map[0];
2046 	struct rsp_que *rsp = ha->rsp_q_map[0];
2047 
2048 	/* Setup ring parameters in initialization control block. */
2049 	icb = (struct init_cb_24xx *)ha->init_cb;
2050 	icb->request_q_outpointer = __constant_cpu_to_le16(0);
2051 	icb->response_q_inpointer = __constant_cpu_to_le16(0);
2052 	icb->request_q_length = cpu_to_le16(req->length);
2053 	icb->response_q_length = cpu_to_le16(rsp->length);
2054 	icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2055 	icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2056 	icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2057 	icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2058 
2059 	/* Setup ATIO queue dma pointers for target mode */
2060 	icb->atio_q_inpointer = __constant_cpu_to_le16(0);
2061 	icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
2062 	icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
2063 	icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
2064 
2065 	if (IS_SHADOW_REG_CAPABLE(ha))
2066 		icb->firmware_options_2 |=
2067 		    __constant_cpu_to_le32(BIT_30|BIT_29);
2068 
2069 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2070 		icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
2071 		icb->rid = __constant_cpu_to_le16(rid);
2072 		if (ha->flags.msix_enabled) {
2073 			msix = &ha->msix_entries[1];
2074 			ql_dbg(ql_dbg_init, vha, 0x00fd,
2075 			    "Registering vector 0x%x for base que.\n",
2076 			    msix->entry);
2077 			icb->msix = cpu_to_le16(msix->entry);
2078 		}
2079 		/* Use alternate PCI bus number */
2080 		if (MSB(rid))
2081 			icb->firmware_options_2 |=
2082 				__constant_cpu_to_le32(BIT_19);
2083 		/* Use alternate PCI devfn */
2084 		if (LSB(rid))
2085 			icb->firmware_options_2 |=
2086 				__constant_cpu_to_le32(BIT_18);
2087 
2088 		/* Use Disable MSIX Handshake mode for capable adapters */
2089 		if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
2090 		    (ha->flags.msix_enabled)) {
2091 			icb->firmware_options_2 &=
2092 				__constant_cpu_to_le32(~BIT_22);
2093 			ha->flags.disable_msix_handshake = 1;
2094 			ql_dbg(ql_dbg_init, vha, 0x00fe,
2095 			    "MSIX Handshake Disable Mode turned on.\n");
2096 		} else {
2097 			icb->firmware_options_2 |=
2098 				__constant_cpu_to_le32(BIT_22);
2099 		}
2100 		icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
2101 
2102 		WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
2103 		WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
2104 		WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
2105 		WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
2106 	} else {
2107 		WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
2108 		WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
2109 		WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
2110 		WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
2111 	}
2112 	qlt_24xx_config_rings(vha);
2113 
2114 	/* PCI posting */
2115 	RD_REG_DWORD(&ioreg->hccr);
2116 }
2117 
2118 /**
2119  * qla2x00_init_rings() - Initializes firmware.
2120  * @ha: HA context
2121  *
2122  * Beginning of request ring has initialization control block already built
2123  * by nvram config routine.
2124  *
2125  * Returns 0 on success.
2126  */
2127 int
2128 qla2x00_init_rings(scsi_qla_host_t *vha)
2129 {
2130 	int	rval;
2131 	unsigned long flags = 0;
2132 	int cnt, que;
2133 	struct qla_hw_data *ha = vha->hw;
2134 	struct req_que *req;
2135 	struct rsp_que *rsp;
2136 	struct mid_init_cb_24xx *mid_init_cb =
2137 	    (struct mid_init_cb_24xx *) ha->init_cb;
2138 
2139 	spin_lock_irqsave(&ha->hardware_lock, flags);
2140 
2141 	/* Clear outstanding commands array. */
2142 	for (que = 0; que < ha->max_req_queues; que++) {
2143 		req = ha->req_q_map[que];
2144 		if (!req)
2145 			continue;
2146 		req->out_ptr = (void *)(req->ring + req->length);
2147 		*req->out_ptr = 0;
2148 		for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2149 			req->outstanding_cmds[cnt] = NULL;
2150 
2151 		req->current_outstanding_cmd = 1;
2152 
2153 		/* Initialize firmware. */
2154 		req->ring_ptr  = req->ring;
2155 		req->ring_index    = 0;
2156 		req->cnt      = req->length;
2157 	}
2158 
2159 	for (que = 0; que < ha->max_rsp_queues; que++) {
2160 		rsp = ha->rsp_q_map[que];
2161 		if (!rsp)
2162 			continue;
2163 		rsp->in_ptr = (void *)(rsp->ring + rsp->length);
2164 		*rsp->in_ptr = 0;
2165 		/* Initialize response queue entries */
2166 		if (IS_QLAFX00(ha))
2167 			qlafx00_init_response_q_entries(rsp);
2168 		else
2169 			qla2x00_init_response_q_entries(rsp);
2170 	}
2171 
2172 	ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2173 	ha->tgt.atio_ring_index = 0;
2174 	/* Initialize ATIO queue entries */
2175 	qlt_init_atio_q_entries(vha);
2176 
2177 	ha->isp_ops->config_rings(vha);
2178 
2179 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2180 
2181 	ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2182 
2183 	if (IS_QLAFX00(ha)) {
2184 		rval = qlafx00_init_firmware(vha, ha->init_cb_size);
2185 		goto next_check;
2186 	}
2187 
2188 	/* Update any ISP specific firmware options before initialization. */
2189 	ha->isp_ops->update_fw_options(vha);
2190 
2191 	if (ha->flags.npiv_supported) {
2192 		if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2193 			ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2194 		mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2195 	}
2196 
2197 	if (IS_FWI2_CAPABLE(ha)) {
2198 		mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2199 		mid_init_cb->init_cb.execution_throttle =
2200 		    cpu_to_le16(ha->fw_xcb_count);
2201 		/* D-Port Status */
2202 		if (IS_DPORT_CAPABLE(ha))
2203 			mid_init_cb->init_cb.firmware_options_1 |=
2204 			    cpu_to_le16(BIT_7);
2205 		/* Enable FA-WWPN */
2206 		ha->flags.fawwpn_enabled =
2207 		    (mid_init_cb->init_cb.firmware_options_1 & BIT_6) ? 1 : 0;
2208 		ql_dbg(ql_dbg_init, vha, 0x0141, "FA-WWPN Support: %s.\n",
2209 		    (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
2210 	}
2211 
2212 	rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2213 next_check:
2214 	if (rval) {
2215 		ql_log(ql_log_fatal, vha, 0x00d2,
2216 		    "Init Firmware **** FAILED ****.\n");
2217 	} else {
2218 		ql_dbg(ql_dbg_init, vha, 0x00d3,
2219 		    "Init Firmware -- success.\n");
2220 	}
2221 
2222 	return (rval);
2223 }
2224 
2225 /**
2226  * qla2x00_fw_ready() - Waits for firmware ready.
2227  * @ha: HA context
2228  *
2229  * Returns 0 on success.
2230  */
2231 static int
2232 qla2x00_fw_ready(scsi_qla_host_t *vha)
2233 {
2234 	int		rval;
2235 	unsigned long	wtime, mtime, cs84xx_time;
2236 	uint16_t	min_wait;	/* Minimum wait time if loop is down */
2237 	uint16_t	wait_time;	/* Wait time if loop is coming ready */
2238 	uint16_t	state[6];
2239 	struct qla_hw_data *ha = vha->hw;
2240 
2241 	if (IS_QLAFX00(vha->hw))
2242 		return qlafx00_fw_ready(vha);
2243 
2244 	rval = QLA_SUCCESS;
2245 
2246 	/* 20 seconds for loop down. */
2247 	min_wait = 20;
2248 
2249 	/*
2250 	 * Firmware should take at most one RATOV to login, plus 5 seconds for
2251 	 * our own processing.
2252 	 */
2253 	if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2254 		wait_time = min_wait;
2255 	}
2256 
2257 	/* Min wait time if loop down */
2258 	mtime = jiffies + (min_wait * HZ);
2259 
2260 	/* wait time before firmware ready */
2261 	wtime = jiffies + (wait_time * HZ);
2262 
2263 	/* Wait for ISP to finish LIP */
2264 	if (!vha->flags.init_done)
2265 		ql_log(ql_log_info, vha, 0x801e,
2266 		    "Waiting for LIP to complete.\n");
2267 
2268 	do {
2269 		memset(state, -1, sizeof(state));
2270 		rval = qla2x00_get_firmware_state(vha, state);
2271 		if (rval == QLA_SUCCESS) {
2272 			if (state[0] < FSTATE_LOSS_OF_SYNC) {
2273 				vha->device_flags &= ~DFLG_NO_CABLE;
2274 			}
2275 			if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2276 				ql_dbg(ql_dbg_taskm, vha, 0x801f,
2277 				    "fw_state=%x 84xx=%x.\n", state[0],
2278 				    state[2]);
2279 				if ((state[2] & FSTATE_LOGGED_IN) &&
2280 				     (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2281 					ql_dbg(ql_dbg_taskm, vha, 0x8028,
2282 					    "Sending verify iocb.\n");
2283 
2284 					cs84xx_time = jiffies;
2285 					rval = qla84xx_init_chip(vha);
2286 					if (rval != QLA_SUCCESS) {
2287 						ql_log(ql_log_warn,
2288 						    vha, 0x8007,
2289 						    "Init chip failed.\n");
2290 						break;
2291 					}
2292 
2293 					/* Add time taken to initialize. */
2294 					cs84xx_time = jiffies - cs84xx_time;
2295 					wtime += cs84xx_time;
2296 					mtime += cs84xx_time;
2297 					ql_dbg(ql_dbg_taskm, vha, 0x8008,
2298 					    "Increasing wait time by %ld. "
2299 					    "New time %ld.\n", cs84xx_time,
2300 					    wtime);
2301 				}
2302 			} else if (state[0] == FSTATE_READY) {
2303 				ql_dbg(ql_dbg_taskm, vha, 0x8037,
2304 				    "F/W Ready - OK.\n");
2305 
2306 				qla2x00_get_retry_cnt(vha, &ha->retry_count,
2307 				    &ha->login_timeout, &ha->r_a_tov);
2308 
2309 				rval = QLA_SUCCESS;
2310 				break;
2311 			}
2312 
2313 			rval = QLA_FUNCTION_FAILED;
2314 
2315 			if (atomic_read(&vha->loop_down_timer) &&
2316 			    state[0] != FSTATE_READY) {
2317 				/* Loop down. Timeout on min_wait for states
2318 				 * other than Wait for Login.
2319 				 */
2320 				if (time_after_eq(jiffies, mtime)) {
2321 					ql_log(ql_log_info, vha, 0x8038,
2322 					    "Cable is unplugged...\n");
2323 
2324 					vha->device_flags |= DFLG_NO_CABLE;
2325 					break;
2326 				}
2327 			}
2328 		} else {
2329 			/* Mailbox cmd failed. Timeout on min_wait. */
2330 			if (time_after_eq(jiffies, mtime) ||
2331 				ha->flags.isp82xx_fw_hung)
2332 				break;
2333 		}
2334 
2335 		if (time_after_eq(jiffies, wtime))
2336 			break;
2337 
2338 		/* Delay for a while */
2339 		msleep(500);
2340 	} while (1);
2341 
2342 	ql_dbg(ql_dbg_taskm, vha, 0x803a,
2343 	    "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
2344 	    state[1], state[2], state[3], state[4], state[5], jiffies);
2345 
2346 	if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2347 		ql_log(ql_log_warn, vha, 0x803b,
2348 		    "Firmware ready **** FAILED ****.\n");
2349 	}
2350 
2351 	return (rval);
2352 }
2353 
2354 /*
2355 *  qla2x00_configure_hba
2356 *      Setup adapter context.
2357 *
2358 * Input:
2359 *      ha = adapter state pointer.
2360 *
2361 * Returns:
2362 *      0 = success
2363 *
2364 * Context:
2365 *      Kernel context.
2366 */
2367 static int
2368 qla2x00_configure_hba(scsi_qla_host_t *vha)
2369 {
2370 	int       rval;
2371 	uint16_t      loop_id;
2372 	uint16_t      topo;
2373 	uint16_t      sw_cap;
2374 	uint8_t       al_pa;
2375 	uint8_t       area;
2376 	uint8_t       domain;
2377 	char		connect_type[22];
2378 	struct qla_hw_data *ha = vha->hw;
2379 	unsigned long flags;
2380 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2381 
2382 	/* Get host addresses. */
2383 	rval = qla2x00_get_adapter_id(vha,
2384 	    &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2385 	if (rval != QLA_SUCCESS) {
2386 		if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2387 		    IS_CNA_CAPABLE(ha) ||
2388 		    (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2389 			ql_dbg(ql_dbg_disc, vha, 0x2008,
2390 			    "Loop is in a transition state.\n");
2391 		} else {
2392 			ql_log(ql_log_warn, vha, 0x2009,
2393 			    "Unable to get host loop ID.\n");
2394 			if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2395 			    (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2396 				ql_log(ql_log_warn, vha, 0x1151,
2397 				    "Doing link init.\n");
2398 				if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2399 					return rval;
2400 			}
2401 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2402 		}
2403 		return (rval);
2404 	}
2405 
2406 	if (topo == 4) {
2407 		ql_log(ql_log_info, vha, 0x200a,
2408 		    "Cannot get topology - retrying.\n");
2409 		return (QLA_FUNCTION_FAILED);
2410 	}
2411 
2412 	vha->loop_id = loop_id;
2413 
2414 	/* initialize */
2415 	ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2416 	ha->operating_mode = LOOP;
2417 	ha->switch_cap = 0;
2418 
2419 	switch (topo) {
2420 	case 0:
2421 		ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2422 		ha->current_topology = ISP_CFG_NL;
2423 		strcpy(connect_type, "(Loop)");
2424 		break;
2425 
2426 	case 1:
2427 		ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2428 		ha->switch_cap = sw_cap;
2429 		ha->current_topology = ISP_CFG_FL;
2430 		strcpy(connect_type, "(FL_Port)");
2431 		break;
2432 
2433 	case 2:
2434 		ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2435 		ha->operating_mode = P2P;
2436 		ha->current_topology = ISP_CFG_N;
2437 		strcpy(connect_type, "(N_Port-to-N_Port)");
2438 		break;
2439 
2440 	case 3:
2441 		ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2442 		ha->switch_cap = sw_cap;
2443 		ha->operating_mode = P2P;
2444 		ha->current_topology = ISP_CFG_F;
2445 		strcpy(connect_type, "(F_Port)");
2446 		break;
2447 
2448 	default:
2449 		ql_dbg(ql_dbg_disc, vha, 0x200f,
2450 		    "HBA in unknown topology %x, using NL.\n", topo);
2451 		ha->current_topology = ISP_CFG_NL;
2452 		strcpy(connect_type, "(Loop)");
2453 		break;
2454 	}
2455 
2456 	/* Save Host port and loop ID. */
2457 	/* byte order - Big Endian */
2458 	vha->d_id.b.domain = domain;
2459 	vha->d_id.b.area = area;
2460 	vha->d_id.b.al_pa = al_pa;
2461 
2462 	spin_lock_irqsave(&ha->vport_slock, flags);
2463 	qlt_update_vp_map(vha, SET_AL_PA);
2464 	spin_unlock_irqrestore(&ha->vport_slock, flags);
2465 
2466 	if (!vha->flags.init_done)
2467 		ql_log(ql_log_info, vha, 0x2010,
2468 		    "Topology - %s, Host Loop address 0x%x.\n",
2469 		    connect_type, vha->loop_id);
2470 
2471 	return(rval);
2472 }
2473 
2474 inline void
2475 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2476 	char *def)
2477 {
2478 	char *st, *en;
2479 	uint16_t index;
2480 	struct qla_hw_data *ha = vha->hw;
2481 	int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2482 	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2483 
2484 	if (memcmp(model, BINZERO, len) != 0) {
2485 		strncpy(ha->model_number, model, len);
2486 		st = en = ha->model_number;
2487 		en += len - 1;
2488 		while (en > st) {
2489 			if (*en != 0x20 && *en != 0x00)
2490 				break;
2491 			*en-- = '\0';
2492 		}
2493 
2494 		index = (ha->pdev->subsystem_device & 0xff);
2495 		if (use_tbl &&
2496 		    ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2497 		    index < QLA_MODEL_NAMES)
2498 			strncpy(ha->model_desc,
2499 			    qla2x00_model_name[index * 2 + 1],
2500 			    sizeof(ha->model_desc) - 1);
2501 	} else {
2502 		index = (ha->pdev->subsystem_device & 0xff);
2503 		if (use_tbl &&
2504 		    ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2505 		    index < QLA_MODEL_NAMES) {
2506 			strcpy(ha->model_number,
2507 			    qla2x00_model_name[index * 2]);
2508 			strncpy(ha->model_desc,
2509 			    qla2x00_model_name[index * 2 + 1],
2510 			    sizeof(ha->model_desc) - 1);
2511 		} else {
2512 			strcpy(ha->model_number, def);
2513 		}
2514 	}
2515 	if (IS_FWI2_CAPABLE(ha))
2516 		qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2517 		    sizeof(ha->model_desc));
2518 }
2519 
2520 /* On sparc systems, obtain port and node WWN from firmware
2521  * properties.
2522  */
2523 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2524 {
2525 #ifdef CONFIG_SPARC
2526 	struct qla_hw_data *ha = vha->hw;
2527 	struct pci_dev *pdev = ha->pdev;
2528 	struct device_node *dp = pci_device_to_OF_node(pdev);
2529 	const u8 *val;
2530 	int len;
2531 
2532 	val = of_get_property(dp, "port-wwn", &len);
2533 	if (val && len >= WWN_SIZE)
2534 		memcpy(nv->port_name, val, WWN_SIZE);
2535 
2536 	val = of_get_property(dp, "node-wwn", &len);
2537 	if (val && len >= WWN_SIZE)
2538 		memcpy(nv->node_name, val, WWN_SIZE);
2539 #endif
2540 }
2541 
2542 /*
2543 * NVRAM configuration for ISP 2xxx
2544 *
2545 * Input:
2546 *      ha                = adapter block pointer.
2547 *
2548 * Output:
2549 *      initialization control block in response_ring
2550 *      host adapters parameters in host adapter block
2551 *
2552 * Returns:
2553 *      0 = success.
2554 */
2555 int
2556 qla2x00_nvram_config(scsi_qla_host_t *vha)
2557 {
2558 	int             rval;
2559 	uint8_t         chksum = 0;
2560 	uint16_t        cnt;
2561 	uint8_t         *dptr1, *dptr2;
2562 	struct qla_hw_data *ha = vha->hw;
2563 	init_cb_t       *icb = ha->init_cb;
2564 	nvram_t         *nv = ha->nvram;
2565 	uint8_t         *ptr = ha->nvram;
2566 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2567 
2568 	rval = QLA_SUCCESS;
2569 
2570 	/* Determine NVRAM starting address. */
2571 	ha->nvram_size = sizeof(nvram_t);
2572 	ha->nvram_base = 0;
2573 	if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2574 		if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2575 			ha->nvram_base = 0x80;
2576 
2577 	/* Get NVRAM data and calculate checksum. */
2578 	ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2579 	for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2580 		chksum += *ptr++;
2581 
2582 	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2583 	    "Contents of NVRAM.\n");
2584 	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2585 	    (uint8_t *)nv, ha->nvram_size);
2586 
2587 	/* Bad NVRAM data, set defaults parameters. */
2588 	if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2589 	    nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2590 		/* Reset NVRAM data. */
2591 		ql_log(ql_log_warn, vha, 0x0064,
2592 		    "Inconsistent NVRAM "
2593 		    "detected: checksum=0x%x id=%c version=0x%x.\n",
2594 		    chksum, nv->id[0], nv->nvram_version);
2595 		ql_log(ql_log_warn, vha, 0x0065,
2596 		    "Falling back to "
2597 		    "functioning (yet invalid -- WWPN) defaults.\n");
2598 
2599 		/*
2600 		 * Set default initialization control block.
2601 		 */
2602 		memset(nv, 0, ha->nvram_size);
2603 		nv->parameter_block_version = ICB_VERSION;
2604 
2605 		if (IS_QLA23XX(ha)) {
2606 			nv->firmware_options[0] = BIT_2 | BIT_1;
2607 			nv->firmware_options[1] = BIT_7 | BIT_5;
2608 			nv->add_firmware_options[0] = BIT_5;
2609 			nv->add_firmware_options[1] = BIT_5 | BIT_4;
2610 			nv->frame_payload_size = 2048;
2611 			nv->special_options[1] = BIT_7;
2612 		} else if (IS_QLA2200(ha)) {
2613 			nv->firmware_options[0] = BIT_2 | BIT_1;
2614 			nv->firmware_options[1] = BIT_7 | BIT_5;
2615 			nv->add_firmware_options[0] = BIT_5;
2616 			nv->add_firmware_options[1] = BIT_5 | BIT_4;
2617 			nv->frame_payload_size = 1024;
2618 		} else if (IS_QLA2100(ha)) {
2619 			nv->firmware_options[0] = BIT_3 | BIT_1;
2620 			nv->firmware_options[1] = BIT_5;
2621 			nv->frame_payload_size = 1024;
2622 		}
2623 
2624 		nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2625 		nv->execution_throttle = __constant_cpu_to_le16(16);
2626 		nv->retry_count = 8;
2627 		nv->retry_delay = 1;
2628 
2629 		nv->port_name[0] = 33;
2630 		nv->port_name[3] = 224;
2631 		nv->port_name[4] = 139;
2632 
2633 		qla2xxx_nvram_wwn_from_ofw(vha, nv);
2634 
2635 		nv->login_timeout = 4;
2636 
2637 		/*
2638 		 * Set default host adapter parameters
2639 		 */
2640 		nv->host_p[1] = BIT_2;
2641 		nv->reset_delay = 5;
2642 		nv->port_down_retry_count = 8;
2643 		nv->max_luns_per_target = __constant_cpu_to_le16(8);
2644 		nv->link_down_timeout = 60;
2645 
2646 		rval = 1;
2647 	}
2648 
2649 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2650 	/*
2651 	 * The SN2 does not provide BIOS emulation which means you can't change
2652 	 * potentially bogus BIOS settings. Force the use of default settings
2653 	 * for link rate and frame size.  Hope that the rest of the settings
2654 	 * are valid.
2655 	 */
2656 	if (ia64_platform_is("sn2")) {
2657 		nv->frame_payload_size = 2048;
2658 		if (IS_QLA23XX(ha))
2659 			nv->special_options[1] = BIT_7;
2660 	}
2661 #endif
2662 
2663 	/* Reset Initialization control block */
2664 	memset(icb, 0, ha->init_cb_size);
2665 
2666 	/*
2667 	 * Setup driver NVRAM options.
2668 	 */
2669 	nv->firmware_options[0] |= (BIT_6 | BIT_1);
2670 	nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2671 	nv->firmware_options[1] |= (BIT_5 | BIT_0);
2672 	nv->firmware_options[1] &= ~BIT_4;
2673 
2674 	if (IS_QLA23XX(ha)) {
2675 		nv->firmware_options[0] |= BIT_2;
2676 		nv->firmware_options[0] &= ~BIT_3;
2677 		nv->special_options[0] &= ~BIT_6;
2678 		nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2679 
2680 		if (IS_QLA2300(ha)) {
2681 			if (ha->fb_rev == FPM_2310) {
2682 				strcpy(ha->model_number, "QLA2310");
2683 			} else {
2684 				strcpy(ha->model_number, "QLA2300");
2685 			}
2686 		} else {
2687 			qla2x00_set_model_info(vha, nv->model_number,
2688 			    sizeof(nv->model_number), "QLA23xx");
2689 		}
2690 	} else if (IS_QLA2200(ha)) {
2691 		nv->firmware_options[0] |= BIT_2;
2692 		/*
2693 		 * 'Point-to-point preferred, else loop' is not a safe
2694 		 * connection mode setting.
2695 		 */
2696 		if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2697 		    (BIT_5 | BIT_4)) {
2698 			/* Force 'loop preferred, else point-to-point'. */
2699 			nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2700 			nv->add_firmware_options[0] |= BIT_5;
2701 		}
2702 		strcpy(ha->model_number, "QLA22xx");
2703 	} else /*if (IS_QLA2100(ha))*/ {
2704 		strcpy(ha->model_number, "QLA2100");
2705 	}
2706 
2707 	/*
2708 	 * Copy over NVRAM RISC parameter block to initialization control block.
2709 	 */
2710 	dptr1 = (uint8_t *)icb;
2711 	dptr2 = (uint8_t *)&nv->parameter_block_version;
2712 	cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2713 	while (cnt--)
2714 		*dptr1++ = *dptr2++;
2715 
2716 	/* Copy 2nd half. */
2717 	dptr1 = (uint8_t *)icb->add_firmware_options;
2718 	cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2719 	while (cnt--)
2720 		*dptr1++ = *dptr2++;
2721 
2722 	/* Use alternate WWN? */
2723 	if (nv->host_p[1] & BIT_7) {
2724 		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2725 		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2726 	}
2727 
2728 	/* Prepare nodename */
2729 	if ((icb->firmware_options[1] & BIT_6) == 0) {
2730 		/*
2731 		 * Firmware will apply the following mask if the nodename was
2732 		 * not provided.
2733 		 */
2734 		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2735 		icb->node_name[0] &= 0xF0;
2736 	}
2737 
2738 	/*
2739 	 * Set host adapter parameters.
2740 	 */
2741 
2742 	/*
2743 	 * BIT_7 in the host-parameters section allows for modification to
2744 	 * internal driver logging.
2745 	 */
2746 	if (nv->host_p[0] & BIT_7)
2747 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2748 	ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2749 	/* Always load RISC code on non ISP2[12]00 chips. */
2750 	if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2751 		ha->flags.disable_risc_code_load = 0;
2752 	ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2753 	ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2754 	ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2755 	ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2756 	ha->flags.disable_serdes = 0;
2757 
2758 	ha->operating_mode =
2759 	    (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2760 
2761 	memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2762 	    sizeof(ha->fw_seriallink_options));
2763 
2764 	/* save HBA serial number */
2765 	ha->serial0 = icb->port_name[5];
2766 	ha->serial1 = icb->port_name[6];
2767 	ha->serial2 = icb->port_name[7];
2768 	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2769 	memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2770 
2771 	icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2772 
2773 	ha->retry_count = nv->retry_count;
2774 
2775 	/* Set minimum login_timeout to 4 seconds. */
2776 	if (nv->login_timeout != ql2xlogintimeout)
2777 		nv->login_timeout = ql2xlogintimeout;
2778 	if (nv->login_timeout < 4)
2779 		nv->login_timeout = 4;
2780 	ha->login_timeout = nv->login_timeout;
2781 	icb->login_timeout = nv->login_timeout;
2782 
2783 	/* Set minimum RATOV to 100 tenths of a second. */
2784 	ha->r_a_tov = 100;
2785 
2786 	ha->loop_reset_delay = nv->reset_delay;
2787 
2788 	/* Link Down Timeout = 0:
2789 	 *
2790 	 * 	When Port Down timer expires we will start returning
2791 	 *	I/O's to OS with "DID_NO_CONNECT".
2792 	 *
2793 	 * Link Down Timeout != 0:
2794 	 *
2795 	 *	 The driver waits for the link to come up after link down
2796 	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
2797 	 */
2798 	if (nv->link_down_timeout == 0) {
2799 		ha->loop_down_abort_time =
2800 		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2801 	} else {
2802 		ha->link_down_timeout =	 nv->link_down_timeout;
2803 		ha->loop_down_abort_time =
2804 		    (LOOP_DOWN_TIME - ha->link_down_timeout);
2805 	}
2806 
2807 	/*
2808 	 * Need enough time to try and get the port back.
2809 	 */
2810 	ha->port_down_retry_count = nv->port_down_retry_count;
2811 	if (qlport_down_retry)
2812 		ha->port_down_retry_count = qlport_down_retry;
2813 	/* Set login_retry_count */
2814 	ha->login_retry_count  = nv->retry_count;
2815 	if (ha->port_down_retry_count == nv->port_down_retry_count &&
2816 	    ha->port_down_retry_count > 3)
2817 		ha->login_retry_count = ha->port_down_retry_count;
2818 	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2819 		ha->login_retry_count = ha->port_down_retry_count;
2820 	if (ql2xloginretrycount)
2821 		ha->login_retry_count = ql2xloginretrycount;
2822 
2823 	icb->lun_enables = __constant_cpu_to_le16(0);
2824 	icb->command_resource_count = 0;
2825 	icb->immediate_notify_resource_count = 0;
2826 	icb->timeout = __constant_cpu_to_le16(0);
2827 
2828 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2829 		/* Enable RIO */
2830 		icb->firmware_options[0] &= ~BIT_3;
2831 		icb->add_firmware_options[0] &=
2832 		    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2833 		icb->add_firmware_options[0] |= BIT_2;
2834 		icb->response_accumulation_timer = 3;
2835 		icb->interrupt_delay_timer = 5;
2836 
2837 		vha->flags.process_response_queue = 1;
2838 	} else {
2839 		/* Enable ZIO. */
2840 		if (!vha->flags.init_done) {
2841 			ha->zio_mode = icb->add_firmware_options[0] &
2842 			    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2843 			ha->zio_timer = icb->interrupt_delay_timer ?
2844 			    icb->interrupt_delay_timer: 2;
2845 		}
2846 		icb->add_firmware_options[0] &=
2847 		    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2848 		vha->flags.process_response_queue = 0;
2849 		if (ha->zio_mode != QLA_ZIO_DISABLED) {
2850 			ha->zio_mode = QLA_ZIO_MODE_6;
2851 
2852 			ql_log(ql_log_info, vha, 0x0068,
2853 			    "ZIO mode %d enabled; timer delay (%d us).\n",
2854 			    ha->zio_mode, ha->zio_timer * 100);
2855 
2856 			icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2857 			icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2858 			vha->flags.process_response_queue = 1;
2859 		}
2860 	}
2861 
2862 	if (rval) {
2863 		ql_log(ql_log_warn, vha, 0x0069,
2864 		    "NVRAM configuration failed.\n");
2865 	}
2866 	return (rval);
2867 }
2868 
2869 static void
2870 qla2x00_rport_del(void *data)
2871 {
2872 	fc_port_t *fcport = data;
2873 	struct fc_rport *rport;
2874 	scsi_qla_host_t *vha = fcport->vha;
2875 	unsigned long flags;
2876 
2877 	spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2878 	rport = fcport->drport ? fcport->drport: fcport->rport;
2879 	fcport->drport = NULL;
2880 	spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2881 	if (rport) {
2882 		fc_remote_port_delete(rport);
2883 		/*
2884 		 * Release the target mode FC NEXUS in qla_target.c code
2885 		 * if target mod is enabled.
2886 		 */
2887 		qlt_fc_port_deleted(vha, fcport);
2888 	}
2889 }
2890 
2891 /**
2892  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2893  * @ha: HA context
2894  * @flags: allocation flags
2895  *
2896  * Returns a pointer to the allocated fcport, or NULL, if none available.
2897  */
2898 fc_port_t *
2899 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2900 {
2901 	fc_port_t *fcport;
2902 
2903 	fcport = kzalloc(sizeof(fc_port_t), flags);
2904 	if (!fcport)
2905 		return NULL;
2906 
2907 	/* Setup fcport template structure. */
2908 	fcport->vha = vha;
2909 	fcport->port_type = FCT_UNKNOWN;
2910 	fcport->loop_id = FC_NO_LOOP_ID;
2911 	qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2912 	fcport->supported_classes = FC_COS_UNSPECIFIED;
2913 
2914 	return fcport;
2915 }
2916 
2917 /*
2918  * qla2x00_configure_loop
2919  *      Updates Fibre Channel Device Database with what is actually on loop.
2920  *
2921  * Input:
2922  *      ha                = adapter block pointer.
2923  *
2924  * Returns:
2925  *      0 = success.
2926  *      1 = error.
2927  *      2 = database was full and device was not configured.
2928  */
2929 static int
2930 qla2x00_configure_loop(scsi_qla_host_t *vha)
2931 {
2932 	int  rval;
2933 	unsigned long flags, save_flags;
2934 	struct qla_hw_data *ha = vha->hw;
2935 	rval = QLA_SUCCESS;
2936 
2937 	/* Get Initiator ID */
2938 	if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2939 		rval = qla2x00_configure_hba(vha);
2940 		if (rval != QLA_SUCCESS) {
2941 			ql_dbg(ql_dbg_disc, vha, 0x2013,
2942 			    "Unable to configure HBA.\n");
2943 			return (rval);
2944 		}
2945 	}
2946 
2947 	save_flags = flags = vha->dpc_flags;
2948 	ql_dbg(ql_dbg_disc, vha, 0x2014,
2949 	    "Configure loop -- dpc flags = 0x%lx.\n", flags);
2950 
2951 	/*
2952 	 * If we have both an RSCN and PORT UPDATE pending then handle them
2953 	 * both at the same time.
2954 	 */
2955 	clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2956 	clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2957 
2958 	qla2x00_get_data_rate(vha);
2959 
2960 	/* Determine what we need to do */
2961 	if (ha->current_topology == ISP_CFG_FL &&
2962 	    (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2963 
2964 		set_bit(RSCN_UPDATE, &flags);
2965 
2966 	} else if (ha->current_topology == ISP_CFG_F &&
2967 	    (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2968 
2969 		set_bit(RSCN_UPDATE, &flags);
2970 		clear_bit(LOCAL_LOOP_UPDATE, &flags);
2971 
2972 	} else if (ha->current_topology == ISP_CFG_N) {
2973 		clear_bit(RSCN_UPDATE, &flags);
2974 
2975 	} else if (!vha->flags.online ||
2976 	    (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2977 
2978 		set_bit(RSCN_UPDATE, &flags);
2979 		set_bit(LOCAL_LOOP_UPDATE, &flags);
2980 	}
2981 
2982 	if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2983 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2984 			ql_dbg(ql_dbg_disc, vha, 0x2015,
2985 			    "Loop resync needed, failing.\n");
2986 			rval = QLA_FUNCTION_FAILED;
2987 		} else
2988 			rval = qla2x00_configure_local_loop(vha);
2989 	}
2990 
2991 	if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2992 		if (LOOP_TRANSITION(vha)) {
2993 			ql_dbg(ql_dbg_disc, vha, 0x201e,
2994 			    "Needs RSCN update and loop transition.\n");
2995 			rval = QLA_FUNCTION_FAILED;
2996 		}
2997 		else
2998 			rval = qla2x00_configure_fabric(vha);
2999 	}
3000 
3001 	if (rval == QLA_SUCCESS) {
3002 		if (atomic_read(&vha->loop_down_timer) ||
3003 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3004 			rval = QLA_FUNCTION_FAILED;
3005 		} else {
3006 			atomic_set(&vha->loop_state, LOOP_READY);
3007 			ql_dbg(ql_dbg_disc, vha, 0x2069,
3008 			    "LOOP READY.\n");
3009 		}
3010 	}
3011 
3012 	if (rval) {
3013 		ql_dbg(ql_dbg_disc, vha, 0x206a,
3014 		    "%s *** FAILED ***.\n", __func__);
3015 	} else {
3016 		ql_dbg(ql_dbg_disc, vha, 0x206b,
3017 		    "%s: exiting normally.\n", __func__);
3018 	}
3019 
3020 	/* Restore state if a resync event occurred during processing */
3021 	if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3022 		if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
3023 			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3024 		if (test_bit(RSCN_UPDATE, &save_flags)) {
3025 			set_bit(RSCN_UPDATE, &vha->dpc_flags);
3026 		}
3027 	}
3028 
3029 	return (rval);
3030 }
3031 
3032 
3033 
3034 /*
3035  * qla2x00_configure_local_loop
3036  *	Updates Fibre Channel Device Database with local loop devices.
3037  *
3038  * Input:
3039  *	ha = adapter block pointer.
3040  *
3041  * Returns:
3042  *	0 = success.
3043  */
3044 static int
3045 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
3046 {
3047 	int		rval, rval2;
3048 	int		found_devs;
3049 	int		found;
3050 	fc_port_t	*fcport, *new_fcport;
3051 
3052 	uint16_t	index;
3053 	uint16_t	entries;
3054 	char		*id_iter;
3055 	uint16_t	loop_id;
3056 	uint8_t		domain, area, al_pa;
3057 	struct qla_hw_data *ha = vha->hw;
3058 
3059 	found_devs = 0;
3060 	new_fcport = NULL;
3061 	entries = MAX_FIBRE_DEVICES_LOOP;
3062 
3063 	/* Get list of logged in devices. */
3064 	memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
3065 	rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
3066 	    &entries);
3067 	if (rval != QLA_SUCCESS)
3068 		goto cleanup_allocation;
3069 
3070 	ql_dbg(ql_dbg_disc, vha, 0x2017,
3071 	    "Entries in ID list (%d).\n", entries);
3072 	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
3073 	    (uint8_t *)ha->gid_list,
3074 	    entries * sizeof(struct gid_list_info));
3075 
3076 	/* Allocate temporary fcport for any new fcports discovered. */
3077 	new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3078 	if (new_fcport == NULL) {
3079 		ql_log(ql_log_warn, vha, 0x2018,
3080 		    "Memory allocation failed for fcport.\n");
3081 		rval = QLA_MEMORY_ALLOC_FAILED;
3082 		goto cleanup_allocation;
3083 	}
3084 	new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3085 
3086 	/*
3087 	 * Mark local devices that were present with FCF_DEVICE_LOST for now.
3088 	 */
3089 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3090 		if (atomic_read(&fcport->state) == FCS_ONLINE &&
3091 		    fcport->port_type != FCT_BROADCAST &&
3092 		    (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3093 
3094 			ql_dbg(ql_dbg_disc, vha, 0x2019,
3095 			    "Marking port lost loop_id=0x%04x.\n",
3096 			    fcport->loop_id);
3097 
3098 			qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3099 		}
3100 	}
3101 
3102 	/* Add devices to port list. */
3103 	id_iter = (char *)ha->gid_list;
3104 	for (index = 0; index < entries; index++) {
3105 		domain = ((struct gid_list_info *)id_iter)->domain;
3106 		area = ((struct gid_list_info *)id_iter)->area;
3107 		al_pa = ((struct gid_list_info *)id_iter)->al_pa;
3108 		if (IS_QLA2100(ha) || IS_QLA2200(ha))
3109 			loop_id = (uint16_t)
3110 			    ((struct gid_list_info *)id_iter)->loop_id_2100;
3111 		else
3112 			loop_id = le16_to_cpu(
3113 			    ((struct gid_list_info *)id_iter)->loop_id);
3114 		id_iter += ha->gid_list_info_size;
3115 
3116 		/* Bypass reserved domain fields. */
3117 		if ((domain & 0xf0) == 0xf0)
3118 			continue;
3119 
3120 		/* Bypass if not same domain and area of adapter. */
3121 		if (area && domain &&
3122 		    (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
3123 			continue;
3124 
3125 		/* Bypass invalid local loop ID. */
3126 		if (loop_id > LAST_LOCAL_LOOP_ID)
3127 			continue;
3128 
3129 		memset(new_fcport, 0, sizeof(fc_port_t));
3130 
3131 		/* Fill in member data. */
3132 		new_fcport->d_id.b.domain = domain;
3133 		new_fcport->d_id.b.area = area;
3134 		new_fcport->d_id.b.al_pa = al_pa;
3135 		new_fcport->loop_id = loop_id;
3136 		rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
3137 		if (rval2 != QLA_SUCCESS) {
3138 			ql_dbg(ql_dbg_disc, vha, 0x201a,
3139 			    "Failed to retrieve fcport information "
3140 			    "-- get_port_database=%x, loop_id=0x%04x.\n",
3141 			    rval2, new_fcport->loop_id);
3142 			ql_dbg(ql_dbg_disc, vha, 0x201b,
3143 			    "Scheduling resync.\n");
3144 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3145 			continue;
3146 		}
3147 
3148 		/* Check for matching device in port list. */
3149 		found = 0;
3150 		fcport = NULL;
3151 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3152 			if (memcmp(new_fcport->port_name, fcport->port_name,
3153 			    WWN_SIZE))
3154 				continue;
3155 
3156 			fcport->flags &= ~FCF_FABRIC_DEVICE;
3157 			fcport->loop_id = new_fcport->loop_id;
3158 			fcport->port_type = new_fcport->port_type;
3159 			fcport->d_id.b24 = new_fcport->d_id.b24;
3160 			memcpy(fcport->node_name, new_fcport->node_name,
3161 			    WWN_SIZE);
3162 
3163 			found++;
3164 			break;
3165 		}
3166 
3167 		if (!found) {
3168 			/* New device, add to fcports list. */
3169 			list_add_tail(&new_fcport->list, &vha->vp_fcports);
3170 
3171 			/* Allocate a new replacement fcport. */
3172 			fcport = new_fcport;
3173 			new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3174 			if (new_fcport == NULL) {
3175 				ql_log(ql_log_warn, vha, 0x201c,
3176 				    "Failed to allocate memory for fcport.\n");
3177 				rval = QLA_MEMORY_ALLOC_FAILED;
3178 				goto cleanup_allocation;
3179 			}
3180 			new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3181 		}
3182 
3183 		/* Base iIDMA settings on HBA port speed. */
3184 		fcport->fp_speed = ha->link_data_rate;
3185 
3186 		qla2x00_update_fcport(vha, fcport);
3187 
3188 		found_devs++;
3189 	}
3190 
3191 cleanup_allocation:
3192 	kfree(new_fcport);
3193 
3194 	if (rval != QLA_SUCCESS) {
3195 		ql_dbg(ql_dbg_disc, vha, 0x201d,
3196 		    "Configure local loop error exit: rval=%x.\n", rval);
3197 	}
3198 
3199 	return (rval);
3200 }
3201 
3202 static void
3203 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3204 {
3205 	int rval;
3206 	uint16_t mb[MAILBOX_REGISTER_COUNT];
3207 	struct qla_hw_data *ha = vha->hw;
3208 
3209 	if (!IS_IIDMA_CAPABLE(ha))
3210 		return;
3211 
3212 	if (atomic_read(&fcport->state) != FCS_ONLINE)
3213 		return;
3214 
3215 	if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3216 	    fcport->fp_speed > ha->link_data_rate)
3217 		return;
3218 
3219 	rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3220 	    mb);
3221 	if (rval != QLA_SUCCESS) {
3222 		ql_dbg(ql_dbg_disc, vha, 0x2004,
3223 		    "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
3224 		    fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
3225 	} else {
3226 		ql_dbg(ql_dbg_disc, vha, 0x2005,
3227 		    "iIDMA adjusted to %s GB/s on %8phN.\n",
3228 		    qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3229 		    fcport->port_name);
3230 	}
3231 }
3232 
3233 static void
3234 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3235 {
3236 	struct fc_rport_identifiers rport_ids;
3237 	struct fc_rport *rport;
3238 	unsigned long flags;
3239 
3240 	rport_ids.node_name = wwn_to_u64(fcport->node_name);
3241 	rport_ids.port_name = wwn_to_u64(fcport->port_name);
3242 	rport_ids.port_id = fcport->d_id.b.domain << 16 |
3243 	    fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3244 	rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3245 	fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3246 	if (!rport) {
3247 		ql_log(ql_log_warn, vha, 0x2006,
3248 		    "Unable to allocate fc remote port.\n");
3249 		return;
3250 	}
3251 	/*
3252 	 * Create target mode FC NEXUS in qla_target.c if target mode is
3253 	 * enabled..
3254 	 */
3255 	qlt_fc_port_added(vha, fcport);
3256 
3257 	spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3258 	*((fc_port_t **)rport->dd_data) = fcport;
3259 	spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3260 
3261 	rport->supported_classes = fcport->supported_classes;
3262 
3263 	rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3264 	if (fcport->port_type == FCT_INITIATOR)
3265 		rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3266 	if (fcport->port_type == FCT_TARGET)
3267 		rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3268 	fc_remote_port_rolechg(rport, rport_ids.roles);
3269 }
3270 
3271 /*
3272  * qla2x00_update_fcport
3273  *	Updates device on list.
3274  *
3275  * Input:
3276  *	ha = adapter block pointer.
3277  *	fcport = port structure pointer.
3278  *
3279  * Return:
3280  *	0  - Success
3281  *  BIT_0 - error
3282  *
3283  * Context:
3284  *	Kernel context.
3285  */
3286 void
3287 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3288 {
3289 	fcport->vha = vha;
3290 
3291 	if (IS_QLAFX00(vha->hw)) {
3292 		qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3293 		qla2x00_reg_remote_port(vha, fcport);
3294 		return;
3295 	}
3296 	fcport->login_retry = 0;
3297 	fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3298 
3299 	qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3300 	qla2x00_iidma_fcport(vha, fcport);
3301 	qla24xx_update_fcport_fcp_prio(vha, fcport);
3302 	qla2x00_reg_remote_port(vha, fcport);
3303 }
3304 
3305 /*
3306  * qla2x00_configure_fabric
3307  *      Setup SNS devices with loop ID's.
3308  *
3309  * Input:
3310  *      ha = adapter block pointer.
3311  *
3312  * Returns:
3313  *      0 = success.
3314  *      BIT_0 = error
3315  */
3316 static int
3317 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3318 {
3319 	int	rval;
3320 	fc_port_t	*fcport, *fcptemp;
3321 	uint16_t	next_loopid;
3322 	uint16_t	mb[MAILBOX_REGISTER_COUNT];
3323 	uint16_t	loop_id;
3324 	LIST_HEAD(new_fcports);
3325 	struct qla_hw_data *ha = vha->hw;
3326 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3327 
3328 	/* If FL port exists, then SNS is present */
3329 	if (IS_FWI2_CAPABLE(ha))
3330 		loop_id = NPH_F_PORT;
3331 	else
3332 		loop_id = SNS_FL_PORT;
3333 	rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3334 	if (rval != QLA_SUCCESS) {
3335 		ql_dbg(ql_dbg_disc, vha, 0x201f,
3336 		    "MBX_GET_PORT_NAME failed, No FL Port.\n");
3337 
3338 		vha->device_flags &= ~SWITCH_FOUND;
3339 		return (QLA_SUCCESS);
3340 	}
3341 	vha->device_flags |= SWITCH_FOUND;
3342 
3343 	do {
3344 		/* FDMI support. */
3345 		if (ql2xfdmienable &&
3346 		    test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3347 			qla2x00_fdmi_register(vha);
3348 
3349 		/* Ensure we are logged into the SNS. */
3350 		if (IS_FWI2_CAPABLE(ha))
3351 			loop_id = NPH_SNS;
3352 		else
3353 			loop_id = SIMPLE_NAME_SERVER;
3354 		rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3355 		    0xfc, mb, BIT_1|BIT_0);
3356 		if (rval != QLA_SUCCESS) {
3357 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3358 			return rval;
3359 		}
3360 		if (mb[0] != MBS_COMMAND_COMPLETE) {
3361 			ql_dbg(ql_dbg_disc, vha, 0x2042,
3362 			    "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3363 			    "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3364 			    mb[2], mb[6], mb[7]);
3365 			return (QLA_SUCCESS);
3366 		}
3367 
3368 		if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3369 			if (qla2x00_rft_id(vha)) {
3370 				/* EMPTY */
3371 				ql_dbg(ql_dbg_disc, vha, 0x2045,
3372 				    "Register FC-4 TYPE failed.\n");
3373 			}
3374 			if (qla2x00_rff_id(vha)) {
3375 				/* EMPTY */
3376 				ql_dbg(ql_dbg_disc, vha, 0x2049,
3377 				    "Register FC-4 Features failed.\n");
3378 			}
3379 			if (qla2x00_rnn_id(vha)) {
3380 				/* EMPTY */
3381 				ql_dbg(ql_dbg_disc, vha, 0x204f,
3382 				    "Register Node Name failed.\n");
3383 			} else if (qla2x00_rsnn_nn(vha)) {
3384 				/* EMPTY */
3385 				ql_dbg(ql_dbg_disc, vha, 0x2053,
3386 				    "Register Symobilic Node Name failed.\n");
3387 			}
3388 		}
3389 
3390 #define QLA_FCPORT_SCAN		1
3391 #define QLA_FCPORT_FOUND	2
3392 
3393 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3394 			fcport->scan_state = QLA_FCPORT_SCAN;
3395 		}
3396 
3397 		rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3398 		if (rval != QLA_SUCCESS)
3399 			break;
3400 
3401 		/*
3402 		 * Logout all previous fabric devices marked lost, except
3403 		 * FCP2 devices.
3404 		 */
3405 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3406 			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3407 				break;
3408 
3409 			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3410 				continue;
3411 
3412 			if (fcport->scan_state == QLA_FCPORT_SCAN &&
3413 			    atomic_read(&fcport->state) == FCS_ONLINE) {
3414 				qla2x00_mark_device_lost(vha, fcport,
3415 				    ql2xplogiabsentdevice, 0);
3416 				if (fcport->loop_id != FC_NO_LOOP_ID &&
3417 				    (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3418 				    fcport->port_type != FCT_INITIATOR &&
3419 				    fcport->port_type != FCT_BROADCAST) {
3420 					ha->isp_ops->fabric_logout(vha,
3421 					    fcport->loop_id,
3422 					    fcport->d_id.b.domain,
3423 					    fcport->d_id.b.area,
3424 					    fcport->d_id.b.al_pa);
3425 					qla2x00_clear_loop_id(fcport);
3426 				}
3427 			}
3428 		}
3429 
3430 		/* Starting free loop ID. */
3431 		next_loopid = ha->min_external_loopid;
3432 
3433 		/*
3434 		 * Scan through our port list and login entries that need to be
3435 		 * logged in.
3436 		 */
3437 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3438 			if (atomic_read(&vha->loop_down_timer) ||
3439 			    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3440 				break;
3441 
3442 			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3443 			    (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3444 				continue;
3445 
3446 			if (fcport->loop_id == FC_NO_LOOP_ID) {
3447 				fcport->loop_id = next_loopid;
3448 				rval = qla2x00_find_new_loop_id(
3449 				    base_vha, fcport);
3450 				if (rval != QLA_SUCCESS) {
3451 					/* Ran out of IDs to use */
3452 					break;
3453 				}
3454 			}
3455 			/* Login and update database */
3456 			qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3457 		}
3458 
3459 		/* Exit if out of loop IDs. */
3460 		if (rval != QLA_SUCCESS) {
3461 			break;
3462 		}
3463 
3464 		/*
3465 		 * Login and add the new devices to our port list.
3466 		 */
3467 		list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3468 			if (atomic_read(&vha->loop_down_timer) ||
3469 			    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3470 				break;
3471 
3472 			/* Find a new loop ID to use. */
3473 			fcport->loop_id = next_loopid;
3474 			rval = qla2x00_find_new_loop_id(base_vha, fcport);
3475 			if (rval != QLA_SUCCESS) {
3476 				/* Ran out of IDs to use */
3477 				break;
3478 			}
3479 
3480 			/* Login and update database */
3481 			qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3482 
3483 			list_move_tail(&fcport->list, &vha->vp_fcports);
3484 		}
3485 	} while (0);
3486 
3487 	/* Free all new device structures not processed. */
3488 	list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3489 		list_del(&fcport->list);
3490 		kfree(fcport);
3491 	}
3492 
3493 	if (rval) {
3494 		ql_dbg(ql_dbg_disc, vha, 0x2068,
3495 		    "Configure fabric error exit rval=%d.\n", rval);
3496 	}
3497 
3498 	return (rval);
3499 }
3500 
3501 /*
3502  * qla2x00_find_all_fabric_devs
3503  *
3504  * Input:
3505  *	ha = adapter block pointer.
3506  *	dev = database device entry pointer.
3507  *
3508  * Returns:
3509  *	0 = success.
3510  *
3511  * Context:
3512  *	Kernel context.
3513  */
3514 static int
3515 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3516 	struct list_head *new_fcports)
3517 {
3518 	int		rval;
3519 	uint16_t	loop_id;
3520 	fc_port_t	*fcport, *new_fcport, *fcptemp;
3521 	int		found;
3522 
3523 	sw_info_t	*swl;
3524 	int		swl_idx;
3525 	int		first_dev, last_dev;
3526 	port_id_t	wrap = {}, nxt_d_id;
3527 	struct qla_hw_data *ha = vha->hw;
3528 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3529 
3530 	rval = QLA_SUCCESS;
3531 
3532 	/* Try GID_PT to get device list, else GAN. */
3533 	if (!ha->swl)
3534 		ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3535 		    GFP_KERNEL);
3536 	swl = ha->swl;
3537 	if (!swl) {
3538 		/*EMPTY*/
3539 		ql_dbg(ql_dbg_disc, vha, 0x2054,
3540 		    "GID_PT allocations failed, fallback on GA_NXT.\n");
3541 	} else {
3542 		memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3543 		if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3544 			swl = NULL;
3545 		} else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3546 			swl = NULL;
3547 		} else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3548 			swl = NULL;
3549 		} else if (ql2xiidmaenable &&
3550 		    qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3551 			qla2x00_gpsc(vha, swl);
3552 		}
3553 
3554 		/* If other queries succeeded probe for FC-4 type */
3555 		if (swl)
3556 			qla2x00_gff_id(vha, swl);
3557 	}
3558 	swl_idx = 0;
3559 
3560 	/* Allocate temporary fcport for any new fcports discovered. */
3561 	new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3562 	if (new_fcport == NULL) {
3563 		ql_log(ql_log_warn, vha, 0x205e,
3564 		    "Failed to allocate memory for fcport.\n");
3565 		return (QLA_MEMORY_ALLOC_FAILED);
3566 	}
3567 	new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3568 	/* Set start port ID scan at adapter ID. */
3569 	first_dev = 1;
3570 	last_dev = 0;
3571 
3572 	/* Starting free loop ID. */
3573 	loop_id = ha->min_external_loopid;
3574 	for (; loop_id <= ha->max_loop_id; loop_id++) {
3575 		if (qla2x00_is_reserved_id(vha, loop_id))
3576 			continue;
3577 
3578 		if (ha->current_topology == ISP_CFG_FL &&
3579 		    (atomic_read(&vha->loop_down_timer) ||
3580 		     LOOP_TRANSITION(vha))) {
3581 			atomic_set(&vha->loop_down_timer, 0);
3582 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3583 			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3584 			break;
3585 		}
3586 
3587 		if (swl != NULL) {
3588 			if (last_dev) {
3589 				wrap.b24 = new_fcport->d_id.b24;
3590 			} else {
3591 				new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3592 				memcpy(new_fcport->node_name,
3593 				    swl[swl_idx].node_name, WWN_SIZE);
3594 				memcpy(new_fcport->port_name,
3595 				    swl[swl_idx].port_name, WWN_SIZE);
3596 				memcpy(new_fcport->fabric_port_name,
3597 				    swl[swl_idx].fabric_port_name, WWN_SIZE);
3598 				new_fcport->fp_speed = swl[swl_idx].fp_speed;
3599 				new_fcport->fc4_type = swl[swl_idx].fc4_type;
3600 
3601 				if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3602 					last_dev = 1;
3603 				}
3604 				swl_idx++;
3605 			}
3606 		} else {
3607 			/* Send GA_NXT to the switch */
3608 			rval = qla2x00_ga_nxt(vha, new_fcport);
3609 			if (rval != QLA_SUCCESS) {
3610 				ql_log(ql_log_warn, vha, 0x2064,
3611 				    "SNS scan failed -- assuming "
3612 				    "zero-entry result.\n");
3613 				list_for_each_entry_safe(fcport, fcptemp,
3614 				    new_fcports, list) {
3615 					list_del(&fcport->list);
3616 					kfree(fcport);
3617 				}
3618 				rval = QLA_SUCCESS;
3619 				break;
3620 			}
3621 		}
3622 
3623 		/* If wrap on switch device list, exit. */
3624 		if (first_dev) {
3625 			wrap.b24 = new_fcport->d_id.b24;
3626 			first_dev = 0;
3627 		} else if (new_fcport->d_id.b24 == wrap.b24) {
3628 			ql_dbg(ql_dbg_disc, vha, 0x2065,
3629 			    "Device wrap (%02x%02x%02x).\n",
3630 			    new_fcport->d_id.b.domain,
3631 			    new_fcport->d_id.b.area,
3632 			    new_fcport->d_id.b.al_pa);
3633 			break;
3634 		}
3635 
3636 		/* Bypass if same physical adapter. */
3637 		if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3638 			continue;
3639 
3640 		/* Bypass virtual ports of the same host. */
3641 		if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3642 			continue;
3643 
3644 		/* Bypass if same domain and area of adapter. */
3645 		if (((new_fcport->d_id.b24 & 0xffff00) ==
3646 		    (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3647 			ISP_CFG_FL)
3648 			    continue;
3649 
3650 		/* Bypass reserved domain fields. */
3651 		if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3652 			continue;
3653 
3654 		/* Bypass ports whose FCP-4 type is not FCP_SCSI */
3655 		if (ql2xgffidenable &&
3656 		    (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3657 		    new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3658 			continue;
3659 
3660 		/* Locate matching device in database. */
3661 		found = 0;
3662 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3663 			if (memcmp(new_fcport->port_name, fcport->port_name,
3664 			    WWN_SIZE))
3665 				continue;
3666 
3667 			fcport->scan_state = QLA_FCPORT_FOUND;
3668 
3669 			found++;
3670 
3671 			/* Update port state. */
3672 			memcpy(fcport->fabric_port_name,
3673 			    new_fcport->fabric_port_name, WWN_SIZE);
3674 			fcport->fp_speed = new_fcport->fp_speed;
3675 
3676 			/*
3677 			 * If address the same and state FCS_ONLINE, nothing
3678 			 * changed.
3679 			 */
3680 			if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3681 			    atomic_read(&fcport->state) == FCS_ONLINE) {
3682 				break;
3683 			}
3684 
3685 			/*
3686 			 * If device was not a fabric device before.
3687 			 */
3688 			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3689 				fcport->d_id.b24 = new_fcport->d_id.b24;
3690 				qla2x00_clear_loop_id(fcport);
3691 				fcport->flags |= (FCF_FABRIC_DEVICE |
3692 				    FCF_LOGIN_NEEDED);
3693 				break;
3694 			}
3695 
3696 			/*
3697 			 * Port ID changed or device was marked to be updated;
3698 			 * Log it out if still logged in and mark it for
3699 			 * relogin later.
3700 			 */
3701 			fcport->d_id.b24 = new_fcport->d_id.b24;
3702 			fcport->flags |= FCF_LOGIN_NEEDED;
3703 			if (fcport->loop_id != FC_NO_LOOP_ID &&
3704 			    (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3705 			    (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3706 			    fcport->port_type != FCT_INITIATOR &&
3707 			    fcport->port_type != FCT_BROADCAST) {
3708 				ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3709 				    fcport->d_id.b.domain, fcport->d_id.b.area,
3710 				    fcport->d_id.b.al_pa);
3711 				qla2x00_clear_loop_id(fcport);
3712 			}
3713 
3714 			break;
3715 		}
3716 
3717 		if (found)
3718 			continue;
3719 		/* If device was not in our fcports list, then add it. */
3720 		list_add_tail(&new_fcport->list, new_fcports);
3721 
3722 		/* Allocate a new replacement fcport. */
3723 		nxt_d_id.b24 = new_fcport->d_id.b24;
3724 		new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3725 		if (new_fcport == NULL) {
3726 			ql_log(ql_log_warn, vha, 0x2066,
3727 			    "Memory allocation failed for fcport.\n");
3728 			return (QLA_MEMORY_ALLOC_FAILED);
3729 		}
3730 		new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3731 		new_fcport->d_id.b24 = nxt_d_id.b24;
3732 	}
3733 
3734 	kfree(new_fcport);
3735 
3736 	return (rval);
3737 }
3738 
3739 /*
3740  * qla2x00_find_new_loop_id
3741  *	Scan through our port list and find a new usable loop ID.
3742  *
3743  * Input:
3744  *	ha:	adapter state pointer.
3745  *	dev:	port structure pointer.
3746  *
3747  * Returns:
3748  *	qla2x00 local function return status code.
3749  *
3750  * Context:
3751  *	Kernel context.
3752  */
3753 int
3754 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3755 {
3756 	int	rval;
3757 	struct qla_hw_data *ha = vha->hw;
3758 	unsigned long flags = 0;
3759 
3760 	rval = QLA_SUCCESS;
3761 
3762 	spin_lock_irqsave(&ha->vport_slock, flags);
3763 
3764 	dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3765 	    LOOPID_MAP_SIZE);
3766 	if (dev->loop_id >= LOOPID_MAP_SIZE ||
3767 	    qla2x00_is_reserved_id(vha, dev->loop_id)) {
3768 		dev->loop_id = FC_NO_LOOP_ID;
3769 		rval = QLA_FUNCTION_FAILED;
3770 	} else
3771 		set_bit(dev->loop_id, ha->loop_id_map);
3772 
3773 	spin_unlock_irqrestore(&ha->vport_slock, flags);
3774 
3775 	if (rval == QLA_SUCCESS)
3776 		ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3777 		    "Assigning new loopid=%x, portid=%x.\n",
3778 		    dev->loop_id, dev->d_id.b24);
3779 	else
3780 		ql_log(ql_log_warn, dev->vha, 0x2087,
3781 		    "No loop_id's available, portid=%x.\n",
3782 		    dev->d_id.b24);
3783 
3784 	return (rval);
3785 }
3786 
3787 /*
3788  * qla2x00_fabric_dev_login
3789  *	Login fabric target device and update FC port database.
3790  *
3791  * Input:
3792  *	ha:		adapter state pointer.
3793  *	fcport:		port structure list pointer.
3794  *	next_loopid:	contains value of a new loop ID that can be used
3795  *			by the next login attempt.
3796  *
3797  * Returns:
3798  *	qla2x00 local function return status code.
3799  *
3800  * Context:
3801  *	Kernel context.
3802  */
3803 static int
3804 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3805     uint16_t *next_loopid)
3806 {
3807 	int	rval;
3808 	int	retry;
3809 	uint8_t opts;
3810 	struct qla_hw_data *ha = vha->hw;
3811 
3812 	rval = QLA_SUCCESS;
3813 	retry = 0;
3814 
3815 	if (IS_ALOGIO_CAPABLE(ha)) {
3816 		if (fcport->flags & FCF_ASYNC_SENT)
3817 			return rval;
3818 		fcport->flags |= FCF_ASYNC_SENT;
3819 		rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3820 		if (!rval)
3821 			return rval;
3822 	}
3823 
3824 	fcport->flags &= ~FCF_ASYNC_SENT;
3825 	rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3826 	if (rval == QLA_SUCCESS) {
3827 		/* Send an ADISC to FCP2 devices.*/
3828 		opts = 0;
3829 		if (fcport->flags & FCF_FCP2_DEVICE)
3830 			opts |= BIT_1;
3831 		rval = qla2x00_get_port_database(vha, fcport, opts);
3832 		if (rval != QLA_SUCCESS) {
3833 			ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3834 			    fcport->d_id.b.domain, fcport->d_id.b.area,
3835 			    fcport->d_id.b.al_pa);
3836 			qla2x00_mark_device_lost(vha, fcport, 1, 0);
3837 		} else {
3838 			qla2x00_update_fcport(vha, fcport);
3839 		}
3840 	} else {
3841 		/* Retry Login. */
3842 		qla2x00_mark_device_lost(vha, fcport, 1, 0);
3843 	}
3844 
3845 	return (rval);
3846 }
3847 
3848 /*
3849  * qla2x00_fabric_login
3850  *	Issue fabric login command.
3851  *
3852  * Input:
3853  *	ha = adapter block pointer.
3854  *	device = pointer to FC device type structure.
3855  *
3856  * Returns:
3857  *      0 - Login successfully
3858  *      1 - Login failed
3859  *      2 - Initiator device
3860  *      3 - Fatal error
3861  */
3862 int
3863 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3864     uint16_t *next_loopid)
3865 {
3866 	int	rval;
3867 	int	retry;
3868 	uint16_t tmp_loopid;
3869 	uint16_t mb[MAILBOX_REGISTER_COUNT];
3870 	struct qla_hw_data *ha = vha->hw;
3871 
3872 	retry = 0;
3873 	tmp_loopid = 0;
3874 
3875 	for (;;) {
3876 		ql_dbg(ql_dbg_disc, vha, 0x2000,
3877 		    "Trying Fabric Login w/loop id 0x%04x for port "
3878 		    "%02x%02x%02x.\n",
3879 		    fcport->loop_id, fcport->d_id.b.domain,
3880 		    fcport->d_id.b.area, fcport->d_id.b.al_pa);
3881 
3882 		/* Login fcport on switch. */
3883 		rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
3884 		    fcport->d_id.b.domain, fcport->d_id.b.area,
3885 		    fcport->d_id.b.al_pa, mb, BIT_0);
3886 		if (rval != QLA_SUCCESS) {
3887 			return rval;
3888 		}
3889 		if (mb[0] == MBS_PORT_ID_USED) {
3890 			/*
3891 			 * Device has another loop ID.  The firmware team
3892 			 * recommends the driver perform an implicit login with
3893 			 * the specified ID again. The ID we just used is save
3894 			 * here so we return with an ID that can be tried by
3895 			 * the next login.
3896 			 */
3897 			retry++;
3898 			tmp_loopid = fcport->loop_id;
3899 			fcport->loop_id = mb[1];
3900 
3901 			ql_dbg(ql_dbg_disc, vha, 0x2001,
3902 			    "Fabric Login: port in use - next loop "
3903 			    "id=0x%04x, port id= %02x%02x%02x.\n",
3904 			    fcport->loop_id, fcport->d_id.b.domain,
3905 			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
3906 
3907 		} else if (mb[0] == MBS_COMMAND_COMPLETE) {
3908 			/*
3909 			 * Login succeeded.
3910 			 */
3911 			if (retry) {
3912 				/* A retry occurred before. */
3913 				*next_loopid = tmp_loopid;
3914 			} else {
3915 				/*
3916 				 * No retry occurred before. Just increment the
3917 				 * ID value for next login.
3918 				 */
3919 				*next_loopid = (fcport->loop_id + 1);
3920 			}
3921 
3922 			if (mb[1] & BIT_0) {
3923 				fcport->port_type = FCT_INITIATOR;
3924 			} else {
3925 				fcport->port_type = FCT_TARGET;
3926 				if (mb[1] & BIT_1) {
3927 					fcport->flags |= FCF_FCP2_DEVICE;
3928 				}
3929 			}
3930 
3931 			if (mb[10] & BIT_0)
3932 				fcport->supported_classes |= FC_COS_CLASS2;
3933 			if (mb[10] & BIT_1)
3934 				fcport->supported_classes |= FC_COS_CLASS3;
3935 
3936 			if (IS_FWI2_CAPABLE(ha)) {
3937 				if (mb[10] & BIT_7)
3938 					fcport->flags |=
3939 					    FCF_CONF_COMP_SUPPORTED;
3940 			}
3941 
3942 			rval = QLA_SUCCESS;
3943 			break;
3944 		} else if (mb[0] == MBS_LOOP_ID_USED) {
3945 			/*
3946 			 * Loop ID already used, try next loop ID.
3947 			 */
3948 			fcport->loop_id++;
3949 			rval = qla2x00_find_new_loop_id(vha, fcport);
3950 			if (rval != QLA_SUCCESS) {
3951 				/* Ran out of loop IDs to use */
3952 				break;
3953 			}
3954 		} else if (mb[0] == MBS_COMMAND_ERROR) {
3955 			/*
3956 			 * Firmware possibly timed out during login. If NO
3957 			 * retries are left to do then the device is declared
3958 			 * dead.
3959 			 */
3960 			*next_loopid = fcport->loop_id;
3961 			ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3962 			    fcport->d_id.b.domain, fcport->d_id.b.area,
3963 			    fcport->d_id.b.al_pa);
3964 			qla2x00_mark_device_lost(vha, fcport, 1, 0);
3965 
3966 			rval = 1;
3967 			break;
3968 		} else {
3969 			/*
3970 			 * unrecoverable / not handled error
3971 			 */
3972 			ql_dbg(ql_dbg_disc, vha, 0x2002,
3973 			    "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3974 			    "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3975 			    fcport->d_id.b.area, fcport->d_id.b.al_pa,
3976 			    fcport->loop_id, jiffies);
3977 
3978 			*next_loopid = fcport->loop_id;
3979 			ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3980 			    fcport->d_id.b.domain, fcport->d_id.b.area,
3981 			    fcport->d_id.b.al_pa);
3982 			qla2x00_clear_loop_id(fcport);
3983 			fcport->login_retry = 0;
3984 
3985 			rval = 3;
3986 			break;
3987 		}
3988 	}
3989 
3990 	return (rval);
3991 }
3992 
3993 /*
3994  * qla2x00_local_device_login
3995  *	Issue local device login command.
3996  *
3997  * Input:
3998  *	ha = adapter block pointer.
3999  *	loop_id = loop id of device to login to.
4000  *
4001  * Returns (Where's the #define!!!!):
4002  *      0 - Login successfully
4003  *      1 - Login failed
4004  *      3 - Fatal error
4005  */
4006 int
4007 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
4008 {
4009 	int		rval;
4010 	uint16_t	mb[MAILBOX_REGISTER_COUNT];
4011 
4012 	memset(mb, 0, sizeof(mb));
4013 	rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
4014 	if (rval == QLA_SUCCESS) {
4015 		/* Interrogate mailbox registers for any errors */
4016 		if (mb[0] == MBS_COMMAND_ERROR)
4017 			rval = 1;
4018 		else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
4019 			/* device not in PCB table */
4020 			rval = 3;
4021 	}
4022 
4023 	return (rval);
4024 }
4025 
4026 /*
4027  *  qla2x00_loop_resync
4028  *      Resync with fibre channel devices.
4029  *
4030  * Input:
4031  *      ha = adapter block pointer.
4032  *
4033  * Returns:
4034  *      0 = success
4035  */
4036 int
4037 qla2x00_loop_resync(scsi_qla_host_t *vha)
4038 {
4039 	int rval = QLA_SUCCESS;
4040 	uint32_t wait_time;
4041 	struct req_que *req;
4042 	struct rsp_que *rsp;
4043 
4044 	if (vha->hw->flags.cpu_affinity_enabled)
4045 		req = vha->hw->req_q_map[0];
4046 	else
4047 		req = vha->req;
4048 	rsp = req->rsp;
4049 
4050 	clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4051 	if (vha->flags.online) {
4052 		if (!(rval = qla2x00_fw_ready(vha))) {
4053 			/* Wait at most MAX_TARGET RSCNs for a stable link. */
4054 			wait_time = 256;
4055 			do {
4056 				if (!IS_QLAFX00(vha->hw)) {
4057 					/*
4058 					 * Issue a marker after FW becomes
4059 					 * ready.
4060 					 */
4061 					qla2x00_marker(vha, req, rsp, 0, 0,
4062 						MK_SYNC_ALL);
4063 					vha->marker_needed = 0;
4064 				}
4065 
4066 				/* Remap devices on Loop. */
4067 				clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4068 
4069 				if (IS_QLAFX00(vha->hw))
4070 					qlafx00_configure_devices(vha);
4071 				else
4072 					qla2x00_configure_loop(vha);
4073 
4074 				wait_time--;
4075 			} while (!atomic_read(&vha->loop_down_timer) &&
4076 				!(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4077 				&& wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4078 				&vha->dpc_flags)));
4079 		}
4080 	}
4081 
4082 	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4083 		return (QLA_FUNCTION_FAILED);
4084 
4085 	if (rval)
4086 		ql_dbg(ql_dbg_disc, vha, 0x206c,
4087 		    "%s *** FAILED ***.\n", __func__);
4088 
4089 	return (rval);
4090 }
4091 
4092 /*
4093 * qla2x00_perform_loop_resync
4094 * Description: This function will set the appropriate flags and call
4095 *              qla2x00_loop_resync. If successful loop will be resynced
4096 * Arguments : scsi_qla_host_t pointer
4097 * returm    : Success or Failure
4098 */
4099 
4100 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
4101 {
4102 	int32_t rval = 0;
4103 
4104 	if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
4105 		/*Configure the flags so that resync happens properly*/
4106 		atomic_set(&ha->loop_down_timer, 0);
4107 		if (!(ha->device_flags & DFLG_NO_CABLE)) {
4108 			atomic_set(&ha->loop_state, LOOP_UP);
4109 			set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4110 			set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
4111 			set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4112 
4113 			rval = qla2x00_loop_resync(ha);
4114 		} else
4115 			atomic_set(&ha->loop_state, LOOP_DEAD);
4116 
4117 		clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
4118 	}
4119 
4120 	return rval;
4121 }
4122 
4123 void
4124 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
4125 {
4126 	fc_port_t *fcport;
4127 	struct scsi_qla_host *vha;
4128 	struct qla_hw_data *ha = base_vha->hw;
4129 	unsigned long flags;
4130 
4131 	spin_lock_irqsave(&ha->vport_slock, flags);
4132 	/* Go with deferred removal of rport references. */
4133 	list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
4134 		atomic_inc(&vha->vref_count);
4135 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
4136 			if (fcport->drport &&
4137 			    atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
4138 				spin_unlock_irqrestore(&ha->vport_slock, flags);
4139 				qla2x00_rport_del(fcport);
4140 				spin_lock_irqsave(&ha->vport_slock, flags);
4141 			}
4142 		}
4143 		atomic_dec(&vha->vref_count);
4144 	}
4145 	spin_unlock_irqrestore(&ha->vport_slock, flags);
4146 }
4147 
4148 /* Assumes idc_lock always held on entry */
4149 void
4150 qla83xx_reset_ownership(scsi_qla_host_t *vha)
4151 {
4152 	struct qla_hw_data *ha = vha->hw;
4153 	uint32_t drv_presence, drv_presence_mask;
4154 	uint32_t dev_part_info1, dev_part_info2, class_type;
4155 	uint32_t class_type_mask = 0x3;
4156 	uint16_t fcoe_other_function = 0xffff, i;
4157 
4158 	if (IS_QLA8044(ha)) {
4159 		drv_presence = qla8044_rd_direct(vha,
4160 		    QLA8044_CRB_DRV_ACTIVE_INDEX);
4161 		dev_part_info1 = qla8044_rd_direct(vha,
4162 		    QLA8044_CRB_DEV_PART_INFO_INDEX);
4163 		dev_part_info2 = qla8044_rd_direct(vha,
4164 		    QLA8044_CRB_DEV_PART_INFO2);
4165 	} else {
4166 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4167 		qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4168 		qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4169 	}
4170 	for (i = 0; i < 8; i++) {
4171 		class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4172 		if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4173 		    (i != ha->portnum)) {
4174 			fcoe_other_function = i;
4175 			break;
4176 		}
4177 	}
4178 	if (fcoe_other_function == 0xffff) {
4179 		for (i = 0; i < 8; i++) {
4180 			class_type = ((dev_part_info2 >> (i * 4)) &
4181 			    class_type_mask);
4182 			if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4183 			    ((i + 8) != ha->portnum)) {
4184 				fcoe_other_function = i + 8;
4185 				break;
4186 			}
4187 		}
4188 	}
4189 	/*
4190 	 * Prepare drv-presence mask based on fcoe functions present.
4191 	 * However consider only valid physical fcoe function numbers (0-15).
4192 	 */
4193 	drv_presence_mask = ~((1 << (ha->portnum)) |
4194 			((fcoe_other_function == 0xffff) ?
4195 			 0 : (1 << (fcoe_other_function))));
4196 
4197 	/* We are the reset owner iff:
4198 	 *    - No other protocol drivers present.
4199 	 *    - This is the lowest among fcoe functions. */
4200 	if (!(drv_presence & drv_presence_mask) &&
4201 			(ha->portnum < fcoe_other_function)) {
4202 		ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4203 		    "This host is Reset owner.\n");
4204 		ha->flags.nic_core_reset_owner = 1;
4205 	}
4206 }
4207 
4208 static int
4209 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4210 {
4211 	int rval = QLA_SUCCESS;
4212 	struct qla_hw_data *ha = vha->hw;
4213 	uint32_t drv_ack;
4214 
4215 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4216 	if (rval == QLA_SUCCESS) {
4217 		drv_ack |= (1 << ha->portnum);
4218 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4219 	}
4220 
4221 	return rval;
4222 }
4223 
4224 static int
4225 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4226 {
4227 	int rval = QLA_SUCCESS;
4228 	struct qla_hw_data *ha = vha->hw;
4229 	uint32_t drv_ack;
4230 
4231 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4232 	if (rval == QLA_SUCCESS) {
4233 		drv_ack &= ~(1 << ha->portnum);
4234 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4235 	}
4236 
4237 	return rval;
4238 }
4239 
4240 static const char *
4241 qla83xx_dev_state_to_string(uint32_t dev_state)
4242 {
4243 	switch (dev_state) {
4244 	case QLA8XXX_DEV_COLD:
4245 		return "COLD/RE-INIT";
4246 	case QLA8XXX_DEV_INITIALIZING:
4247 		return "INITIALIZING";
4248 	case QLA8XXX_DEV_READY:
4249 		return "READY";
4250 	case QLA8XXX_DEV_NEED_RESET:
4251 		return "NEED RESET";
4252 	case QLA8XXX_DEV_NEED_QUIESCENT:
4253 		return "NEED QUIESCENT";
4254 	case QLA8XXX_DEV_FAILED:
4255 		return "FAILED";
4256 	case QLA8XXX_DEV_QUIESCENT:
4257 		return "QUIESCENT";
4258 	default:
4259 		return "Unknown";
4260 	}
4261 }
4262 
4263 /* Assumes idc-lock always held on entry */
4264 void
4265 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4266 {
4267 	struct qla_hw_data *ha = vha->hw;
4268 	uint32_t idc_audit_reg = 0, duration_secs = 0;
4269 
4270 	switch (audit_type) {
4271 	case IDC_AUDIT_TIMESTAMP:
4272 		ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4273 		idc_audit_reg = (ha->portnum) |
4274 		    (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4275 		qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4276 		break;
4277 
4278 	case IDC_AUDIT_COMPLETION:
4279 		duration_secs = ((jiffies_to_msecs(jiffies) -
4280 		    jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4281 		idc_audit_reg = (ha->portnum) |
4282 		    (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4283 		qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4284 		break;
4285 
4286 	default:
4287 		ql_log(ql_log_warn, vha, 0xb078,
4288 		    "Invalid audit type specified.\n");
4289 		break;
4290 	}
4291 }
4292 
4293 /* Assumes idc_lock always held on entry */
4294 static int
4295 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4296 {
4297 	struct qla_hw_data *ha = vha->hw;
4298 	uint32_t  idc_control, dev_state;
4299 
4300 	__qla83xx_get_idc_control(vha, &idc_control);
4301 	if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4302 		ql_log(ql_log_info, vha, 0xb080,
4303 		    "NIC Core reset has been disabled. idc-control=0x%x\n",
4304 		    idc_control);
4305 		return QLA_FUNCTION_FAILED;
4306 	}
4307 
4308 	/* Set NEED-RESET iff in READY state and we are the reset-owner */
4309 	qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4310 	if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4311 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4312 		    QLA8XXX_DEV_NEED_RESET);
4313 		ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4314 		qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4315 	} else {
4316 		const char *state = qla83xx_dev_state_to_string(dev_state);
4317 		ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4318 
4319 		/* SV: XXX: Is timeout required here? */
4320 		/* Wait for IDC state change READY -> NEED_RESET */
4321 		while (dev_state == QLA8XXX_DEV_READY) {
4322 			qla83xx_idc_unlock(vha, 0);
4323 			msleep(200);
4324 			qla83xx_idc_lock(vha, 0);
4325 			qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4326 		}
4327 	}
4328 
4329 	/* Send IDC ack by writing to drv-ack register */
4330 	__qla83xx_set_drv_ack(vha);
4331 
4332 	return QLA_SUCCESS;
4333 }
4334 
4335 int
4336 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4337 {
4338 	return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4339 }
4340 
4341 int
4342 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4343 {
4344 	return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4345 }
4346 
4347 static int
4348 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4349 {
4350 	uint32_t drv_presence = 0;
4351 	struct qla_hw_data *ha = vha->hw;
4352 
4353 	qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4354 	if (drv_presence & (1 << ha->portnum))
4355 		return QLA_SUCCESS;
4356 	else
4357 		return QLA_TEST_FAILED;
4358 }
4359 
4360 int
4361 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4362 {
4363 	int rval = QLA_SUCCESS;
4364 	struct qla_hw_data *ha = vha->hw;
4365 
4366 	ql_dbg(ql_dbg_p3p, vha, 0xb058,
4367 	    "Entered  %s().\n", __func__);
4368 
4369 	if (vha->device_flags & DFLG_DEV_FAILED) {
4370 		ql_log(ql_log_warn, vha, 0xb059,
4371 		    "Device in unrecoverable FAILED state.\n");
4372 		return QLA_FUNCTION_FAILED;
4373 	}
4374 
4375 	qla83xx_idc_lock(vha, 0);
4376 
4377 	if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4378 		ql_log(ql_log_warn, vha, 0xb05a,
4379 		    "Function=0x%x has been removed from IDC participation.\n",
4380 		    ha->portnum);
4381 		rval = QLA_FUNCTION_FAILED;
4382 		goto exit;
4383 	}
4384 
4385 	qla83xx_reset_ownership(vha);
4386 
4387 	rval = qla83xx_initiating_reset(vha);
4388 
4389 	/*
4390 	 * Perform reset if we are the reset-owner,
4391 	 * else wait till IDC state changes to READY/FAILED.
4392 	 */
4393 	if (rval == QLA_SUCCESS) {
4394 		rval = qla83xx_idc_state_handler(vha);
4395 
4396 		if (rval == QLA_SUCCESS)
4397 			ha->flags.nic_core_hung = 0;
4398 		__qla83xx_clear_drv_ack(vha);
4399 	}
4400 
4401 exit:
4402 	qla83xx_idc_unlock(vha, 0);
4403 
4404 	ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4405 
4406 	return rval;
4407 }
4408 
4409 int
4410 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4411 {
4412 	struct qla_hw_data *ha = vha->hw;
4413 	int rval = QLA_FUNCTION_FAILED;
4414 
4415 	if (!IS_MCTP_CAPABLE(ha)) {
4416 		/* This message can be removed from the final version */
4417 		ql_log(ql_log_info, vha, 0x506d,
4418 		    "This board is not MCTP capable\n");
4419 		return rval;
4420 	}
4421 
4422 	if (!ha->mctp_dump) {
4423 		ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4424 		    MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4425 
4426 		if (!ha->mctp_dump) {
4427 			ql_log(ql_log_warn, vha, 0x506e,
4428 			    "Failed to allocate memory for mctp dump\n");
4429 			return rval;
4430 		}
4431 	}
4432 
4433 #define MCTP_DUMP_STR_ADDR	0x00000000
4434 	rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4435 	    MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4436 	if (rval != QLA_SUCCESS) {
4437 		ql_log(ql_log_warn, vha, 0x506f,
4438 		    "Failed to capture mctp dump\n");
4439 	} else {
4440 		ql_log(ql_log_info, vha, 0x5070,
4441 		    "Mctp dump capture for host (%ld/%p).\n",
4442 		    vha->host_no, ha->mctp_dump);
4443 		ha->mctp_dumped = 1;
4444 	}
4445 
4446 	if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4447 		ha->flags.nic_core_reset_hdlr_active = 1;
4448 		rval = qla83xx_restart_nic_firmware(vha);
4449 		if (rval)
4450 			/* NIC Core reset failed. */
4451 			ql_log(ql_log_warn, vha, 0x5071,
4452 			    "Failed to restart nic firmware\n");
4453 		else
4454 			ql_dbg(ql_dbg_p3p, vha, 0xb084,
4455 			    "Restarted NIC firmware successfully.\n");
4456 		ha->flags.nic_core_reset_hdlr_active = 0;
4457 	}
4458 
4459 	return rval;
4460 
4461 }
4462 
4463 /*
4464 * qla2x00_quiesce_io
4465 * Description: This function will block the new I/Os
4466 *              Its not aborting any I/Os as context
4467 *              is not destroyed during quiescence
4468 * Arguments: scsi_qla_host_t
4469 * return   : void
4470 */
4471 void
4472 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4473 {
4474 	struct qla_hw_data *ha = vha->hw;
4475 	struct scsi_qla_host *vp;
4476 
4477 	ql_dbg(ql_dbg_dpc, vha, 0x401d,
4478 	    "Quiescing I/O - ha=%p.\n", ha);
4479 
4480 	atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4481 	if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4482 		atomic_set(&vha->loop_state, LOOP_DOWN);
4483 		qla2x00_mark_all_devices_lost(vha, 0);
4484 		list_for_each_entry(vp, &ha->vp_list, list)
4485 			qla2x00_mark_all_devices_lost(vp, 0);
4486 	} else {
4487 		if (!atomic_read(&vha->loop_down_timer))
4488 			atomic_set(&vha->loop_down_timer,
4489 					LOOP_DOWN_TIME);
4490 	}
4491 	/* Wait for pending cmds to complete */
4492 	qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4493 }
4494 
4495 void
4496 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4497 {
4498 	struct qla_hw_data *ha = vha->hw;
4499 	struct scsi_qla_host *vp;
4500 	unsigned long flags;
4501 	fc_port_t *fcport;
4502 
4503 	/* For ISP82XX, driver waits for completion of the commands.
4504 	 * online flag should be set.
4505 	 */
4506 	if (!(IS_P3P_TYPE(ha)))
4507 		vha->flags.online = 0;
4508 	ha->flags.chip_reset_done = 0;
4509 	clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4510 	vha->qla_stats.total_isp_aborts++;
4511 
4512 	ql_log(ql_log_info, vha, 0x00af,
4513 	    "Performing ISP error recovery - ha=%p.\n", ha);
4514 
4515 	/* For ISP82XX, reset_chip is just disabling interrupts.
4516 	 * Driver waits for the completion of the commands.
4517 	 * the interrupts need to be enabled.
4518 	 */
4519 	if (!(IS_P3P_TYPE(ha)))
4520 		ha->isp_ops->reset_chip(vha);
4521 
4522 	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4523 	if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4524 		atomic_set(&vha->loop_state, LOOP_DOWN);
4525 		qla2x00_mark_all_devices_lost(vha, 0);
4526 
4527 		spin_lock_irqsave(&ha->vport_slock, flags);
4528 		list_for_each_entry(vp, &ha->vp_list, list) {
4529 			atomic_inc(&vp->vref_count);
4530 			spin_unlock_irqrestore(&ha->vport_slock, flags);
4531 
4532 			qla2x00_mark_all_devices_lost(vp, 0);
4533 
4534 			spin_lock_irqsave(&ha->vport_slock, flags);
4535 			atomic_dec(&vp->vref_count);
4536 		}
4537 		spin_unlock_irqrestore(&ha->vport_slock, flags);
4538 	} else {
4539 		if (!atomic_read(&vha->loop_down_timer))
4540 			atomic_set(&vha->loop_down_timer,
4541 			    LOOP_DOWN_TIME);
4542 	}
4543 
4544 	/* Clear all async request states across all VPs. */
4545 	list_for_each_entry(fcport, &vha->vp_fcports, list)
4546 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4547 	spin_lock_irqsave(&ha->vport_slock, flags);
4548 	list_for_each_entry(vp, &ha->vp_list, list) {
4549 		atomic_inc(&vp->vref_count);
4550 		spin_unlock_irqrestore(&ha->vport_slock, flags);
4551 
4552 		list_for_each_entry(fcport, &vp->vp_fcports, list)
4553 			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4554 
4555 		spin_lock_irqsave(&ha->vport_slock, flags);
4556 		atomic_dec(&vp->vref_count);
4557 	}
4558 	spin_unlock_irqrestore(&ha->vport_slock, flags);
4559 
4560 	if (!ha->flags.eeh_busy) {
4561 		/* Make sure for ISP 82XX IO DMA is complete */
4562 		if (IS_P3P_TYPE(ha)) {
4563 			qla82xx_chip_reset_cleanup(vha);
4564 			ql_log(ql_log_info, vha, 0x00b4,
4565 			    "Done chip reset cleanup.\n");
4566 
4567 			/* Done waiting for pending commands.
4568 			 * Reset the online flag.
4569 			 */
4570 			vha->flags.online = 0;
4571 		}
4572 
4573 		/* Requeue all commands in outstanding command list. */
4574 		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4575 	}
4576 
4577 	ha->chip_reset++;
4578 	/* memory barrier */
4579 	wmb();
4580 }
4581 
4582 /*
4583 *  qla2x00_abort_isp
4584 *      Resets ISP and aborts all outstanding commands.
4585 *
4586 * Input:
4587 *      ha           = adapter block pointer.
4588 *
4589 * Returns:
4590 *      0 = success
4591 */
4592 int
4593 qla2x00_abort_isp(scsi_qla_host_t *vha)
4594 {
4595 	int rval;
4596 	uint8_t        status = 0;
4597 	struct qla_hw_data *ha = vha->hw;
4598 	struct scsi_qla_host *vp;
4599 	struct req_que *req = ha->req_q_map[0];
4600 	unsigned long flags;
4601 
4602 	if (vha->flags.online) {
4603 		qla2x00_abort_isp_cleanup(vha);
4604 
4605 		if (IS_QLA8031(ha)) {
4606 			ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4607 			    "Clearing fcoe driver presence.\n");
4608 			if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4609 				ql_dbg(ql_dbg_p3p, vha, 0xb073,
4610 				    "Error while clearing DRV-Presence.\n");
4611 		}
4612 
4613 		if (unlikely(pci_channel_offline(ha->pdev) &&
4614 		    ha->flags.pci_channel_io_perm_failure)) {
4615 			clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4616 			status = 0;
4617 			return status;
4618 		}
4619 
4620 		ha->isp_ops->get_flash_version(vha, req->ring);
4621 
4622 		ha->isp_ops->nvram_config(vha);
4623 
4624 		if (!qla2x00_restart_isp(vha)) {
4625 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4626 
4627 			if (!atomic_read(&vha->loop_down_timer)) {
4628 				/*
4629 				 * Issue marker command only when we are going
4630 				 * to start the I/O .
4631 				 */
4632 				vha->marker_needed = 1;
4633 			}
4634 
4635 			vha->flags.online = 1;
4636 
4637 			ha->isp_ops->enable_intrs(ha);
4638 
4639 			ha->isp_abort_cnt = 0;
4640 			clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4641 
4642 			if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4643 				qla2x00_get_fw_version(vha);
4644 			if (ha->fce) {
4645 				ha->flags.fce_enabled = 1;
4646 				memset(ha->fce, 0,
4647 				    fce_calc_size(ha->fce_bufs));
4648 				rval = qla2x00_enable_fce_trace(vha,
4649 				    ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4650 				    &ha->fce_bufs);
4651 				if (rval) {
4652 					ql_log(ql_log_warn, vha, 0x8033,
4653 					    "Unable to reinitialize FCE "
4654 					    "(%d).\n", rval);
4655 					ha->flags.fce_enabled = 0;
4656 				}
4657 			}
4658 
4659 			if (ha->eft) {
4660 				memset(ha->eft, 0, EFT_SIZE);
4661 				rval = qla2x00_enable_eft_trace(vha,
4662 				    ha->eft_dma, EFT_NUM_BUFFERS);
4663 				if (rval) {
4664 					ql_log(ql_log_warn, vha, 0x8034,
4665 					    "Unable to reinitialize EFT "
4666 					    "(%d).\n", rval);
4667 				}
4668 			}
4669 		} else {	/* failed the ISP abort */
4670 			vha->flags.online = 1;
4671 			if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4672 				if (ha->isp_abort_cnt == 0) {
4673 					ql_log(ql_log_fatal, vha, 0x8035,
4674 					    "ISP error recover failed - "
4675 					    "board disabled.\n");
4676 					/*
4677 					 * The next call disables the board
4678 					 * completely.
4679 					 */
4680 					ha->isp_ops->reset_adapter(vha);
4681 					vha->flags.online = 0;
4682 					clear_bit(ISP_ABORT_RETRY,
4683 					    &vha->dpc_flags);
4684 					status = 0;
4685 				} else { /* schedule another ISP abort */
4686 					ha->isp_abort_cnt--;
4687 					ql_dbg(ql_dbg_taskm, vha, 0x8020,
4688 					    "ISP abort - retry remaining %d.\n",
4689 					    ha->isp_abort_cnt);
4690 					status = 1;
4691 				}
4692 			} else {
4693 				ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4694 				ql_dbg(ql_dbg_taskm, vha, 0x8021,
4695 				    "ISP error recovery - retrying (%d) "
4696 				    "more times.\n", ha->isp_abort_cnt);
4697 				set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4698 				status = 1;
4699 			}
4700 		}
4701 
4702 	}
4703 
4704 	if (!status) {
4705 		ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4706 
4707 		spin_lock_irqsave(&ha->vport_slock, flags);
4708 		list_for_each_entry(vp, &ha->vp_list, list) {
4709 			if (vp->vp_idx) {
4710 				atomic_inc(&vp->vref_count);
4711 				spin_unlock_irqrestore(&ha->vport_slock, flags);
4712 
4713 				qla2x00_vp_abort_isp(vp);
4714 
4715 				spin_lock_irqsave(&ha->vport_slock, flags);
4716 				atomic_dec(&vp->vref_count);
4717 			}
4718 		}
4719 		spin_unlock_irqrestore(&ha->vport_slock, flags);
4720 
4721 		if (IS_QLA8031(ha)) {
4722 			ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4723 			    "Setting back fcoe driver presence.\n");
4724 			if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4725 				ql_dbg(ql_dbg_p3p, vha, 0xb074,
4726 				    "Error while setting DRV-Presence.\n");
4727 		}
4728 	} else {
4729 		ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4730 		       __func__);
4731 	}
4732 
4733 	return(status);
4734 }
4735 
4736 /*
4737 *  qla2x00_restart_isp
4738 *      restarts the ISP after a reset
4739 *
4740 * Input:
4741 *      ha = adapter block pointer.
4742 *
4743 * Returns:
4744 *      0 = success
4745 */
4746 static int
4747 qla2x00_restart_isp(scsi_qla_host_t *vha)
4748 {
4749 	int status = 0;
4750 	struct qla_hw_data *ha = vha->hw;
4751 	struct req_que *req = ha->req_q_map[0];
4752 	struct rsp_que *rsp = ha->rsp_q_map[0];
4753 	unsigned long flags;
4754 
4755 	/* If firmware needs to be loaded */
4756 	if (qla2x00_isp_firmware(vha)) {
4757 		vha->flags.online = 0;
4758 		status = ha->isp_ops->chip_diag(vha);
4759 		if (!status)
4760 			status = qla2x00_setup_chip(vha);
4761 	}
4762 
4763 	if (!status && !(status = qla2x00_init_rings(vha))) {
4764 		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4765 		ha->flags.chip_reset_done = 1;
4766 
4767 		/* Initialize the queues in use */
4768 		qla25xx_init_queues(ha);
4769 
4770 		status = qla2x00_fw_ready(vha);
4771 		if (!status) {
4772 			/* Issue a marker after FW becomes ready. */
4773 			qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4774 
4775 			vha->flags.online = 1;
4776 
4777 			/*
4778 			 * Process any ATIO queue entries that came in
4779 			 * while we weren't online.
4780 			 */
4781 			spin_lock_irqsave(&ha->hardware_lock, flags);
4782 			if (qla_tgt_mode_enabled(vha))
4783 				qlt_24xx_process_atio_queue(vha);
4784 			spin_unlock_irqrestore(&ha->hardware_lock, flags);
4785 
4786 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4787 		}
4788 
4789 		/* if no cable then assume it's good */
4790 		if ((vha->device_flags & DFLG_NO_CABLE))
4791 			status = 0;
4792 	}
4793 	return (status);
4794 }
4795 
4796 static int
4797 qla25xx_init_queues(struct qla_hw_data *ha)
4798 {
4799 	struct rsp_que *rsp = NULL;
4800 	struct req_que *req = NULL;
4801 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4802 	int ret = -1;
4803 	int i;
4804 
4805 	for (i = 1; i < ha->max_rsp_queues; i++) {
4806 		rsp = ha->rsp_q_map[i];
4807 		if (rsp) {
4808 			rsp->options &= ~BIT_0;
4809 			ret = qla25xx_init_rsp_que(base_vha, rsp);
4810 			if (ret != QLA_SUCCESS)
4811 				ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4812 				    "%s Rsp que: %d init failed.\n",
4813 				    __func__, rsp->id);
4814 			else
4815 				ql_dbg(ql_dbg_init, base_vha, 0x0100,
4816 				    "%s Rsp que: %d inited.\n",
4817 				    __func__, rsp->id);
4818 		}
4819 	}
4820 	for (i = 1; i < ha->max_req_queues; i++) {
4821 		req = ha->req_q_map[i];
4822 		if (req) {
4823 		/* Clear outstanding commands array. */
4824 			req->options &= ~BIT_0;
4825 			ret = qla25xx_init_req_que(base_vha, req);
4826 			if (ret != QLA_SUCCESS)
4827 				ql_dbg(ql_dbg_init, base_vha, 0x0101,
4828 				    "%s Req que: %d init failed.\n",
4829 				    __func__, req->id);
4830 			else
4831 				ql_dbg(ql_dbg_init, base_vha, 0x0102,
4832 				    "%s Req que: %d inited.\n",
4833 				    __func__, req->id);
4834 		}
4835 	}
4836 	return ret;
4837 }
4838 
4839 /*
4840 * qla2x00_reset_adapter
4841 *      Reset adapter.
4842 *
4843 * Input:
4844 *      ha = adapter block pointer.
4845 */
4846 void
4847 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4848 {
4849 	unsigned long flags = 0;
4850 	struct qla_hw_data *ha = vha->hw;
4851 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4852 
4853 	vha->flags.online = 0;
4854 	ha->isp_ops->disable_intrs(ha);
4855 
4856 	spin_lock_irqsave(&ha->hardware_lock, flags);
4857 	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4858 	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
4859 	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4860 	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
4861 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
4862 }
4863 
4864 void
4865 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4866 {
4867 	unsigned long flags = 0;
4868 	struct qla_hw_data *ha = vha->hw;
4869 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4870 
4871 	if (IS_P3P_TYPE(ha))
4872 		return;
4873 
4874 	vha->flags.online = 0;
4875 	ha->isp_ops->disable_intrs(ha);
4876 
4877 	spin_lock_irqsave(&ha->hardware_lock, flags);
4878 	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4879 	RD_REG_DWORD(&reg->hccr);
4880 	WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4881 	RD_REG_DWORD(&reg->hccr);
4882 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
4883 
4884 	if (IS_NOPOLLING_TYPE(ha))
4885 		ha->isp_ops->enable_intrs(ha);
4886 }
4887 
4888 /* On sparc systems, obtain port and node WWN from firmware
4889  * properties.
4890  */
4891 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4892 	struct nvram_24xx *nv)
4893 {
4894 #ifdef CONFIG_SPARC
4895 	struct qla_hw_data *ha = vha->hw;
4896 	struct pci_dev *pdev = ha->pdev;
4897 	struct device_node *dp = pci_device_to_OF_node(pdev);
4898 	const u8 *val;
4899 	int len;
4900 
4901 	val = of_get_property(dp, "port-wwn", &len);
4902 	if (val && len >= WWN_SIZE)
4903 		memcpy(nv->port_name, val, WWN_SIZE);
4904 
4905 	val = of_get_property(dp, "node-wwn", &len);
4906 	if (val && len >= WWN_SIZE)
4907 		memcpy(nv->node_name, val, WWN_SIZE);
4908 #endif
4909 }
4910 
4911 int
4912 qla24xx_nvram_config(scsi_qla_host_t *vha)
4913 {
4914 	int   rval;
4915 	struct init_cb_24xx *icb;
4916 	struct nvram_24xx *nv;
4917 	uint32_t *dptr;
4918 	uint8_t  *dptr1, *dptr2;
4919 	uint32_t chksum;
4920 	uint16_t cnt;
4921 	struct qla_hw_data *ha = vha->hw;
4922 
4923 	rval = QLA_SUCCESS;
4924 	icb = (struct init_cb_24xx *)ha->init_cb;
4925 	nv = ha->nvram;
4926 
4927 	/* Determine NVRAM starting address. */
4928 	if (ha->port_no == 0) {
4929 		ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4930 		ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4931 	} else {
4932 		ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4933 		ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4934 	}
4935 
4936 	ha->nvram_size = sizeof(struct nvram_24xx);
4937 	ha->vpd_size = FA_NVRAM_VPD_SIZE;
4938 
4939 	/* Get VPD data into cache */
4940 	ha->vpd = ha->nvram + VPD_OFFSET;
4941 	ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4942 	    ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4943 
4944 	/* Get NVRAM data into cache and calculate checksum. */
4945 	dptr = (uint32_t *)nv;
4946 	ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4947 	    ha->nvram_size);
4948 	for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4949 		chksum += le32_to_cpu(*dptr++);
4950 
4951 	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4952 	    "Contents of NVRAM\n");
4953 	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4954 	    (uint8_t *)nv, ha->nvram_size);
4955 
4956 	/* Bad NVRAM data, set defaults parameters. */
4957 	if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4958 	    || nv->id[3] != ' ' ||
4959 	    nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4960 		/* Reset NVRAM data. */
4961 		ql_log(ql_log_warn, vha, 0x006b,
4962 		    "Inconsistent NVRAM detected: checksum=0x%x id=%c "
4963 		    "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4964 		ql_log(ql_log_warn, vha, 0x006c,
4965 		    "Falling back to functioning (yet invalid -- WWPN) "
4966 		    "defaults.\n");
4967 
4968 		/*
4969 		 * Set default initialization control block.
4970 		 */
4971 		memset(nv, 0, ha->nvram_size);
4972 		nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4973 		nv->version = __constant_cpu_to_le16(ICB_VERSION);
4974 		nv->frame_payload_size = 2048;
4975 		nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4976 		nv->exchange_count = __constant_cpu_to_le16(0);
4977 		nv->hard_address = __constant_cpu_to_le16(124);
4978 		nv->port_name[0] = 0x21;
4979 		nv->port_name[1] = 0x00 + ha->port_no + 1;
4980 		nv->port_name[2] = 0x00;
4981 		nv->port_name[3] = 0xe0;
4982 		nv->port_name[4] = 0x8b;
4983 		nv->port_name[5] = 0x1c;
4984 		nv->port_name[6] = 0x55;
4985 		nv->port_name[7] = 0x86;
4986 		nv->node_name[0] = 0x20;
4987 		nv->node_name[1] = 0x00;
4988 		nv->node_name[2] = 0x00;
4989 		nv->node_name[3] = 0xe0;
4990 		nv->node_name[4] = 0x8b;
4991 		nv->node_name[5] = 0x1c;
4992 		nv->node_name[6] = 0x55;
4993 		nv->node_name[7] = 0x86;
4994 		qla24xx_nvram_wwn_from_ofw(vha, nv);
4995 		nv->login_retry_count = __constant_cpu_to_le16(8);
4996 		nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4997 		nv->login_timeout = __constant_cpu_to_le16(0);
4998 		nv->firmware_options_1 =
4999 		    __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5000 		nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5001 		nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5002 		nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5003 		nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5004 		nv->efi_parameters = __constant_cpu_to_le32(0);
5005 		nv->reset_delay = 5;
5006 		nv->max_luns_per_target = __constant_cpu_to_le16(128);
5007 		nv->port_down_retry_count = __constant_cpu_to_le16(30);
5008 		nv->link_down_timeout = __constant_cpu_to_le16(30);
5009 
5010 		rval = 1;
5011 	}
5012 
5013 	if (!qla_ini_mode_enabled(vha)) {
5014 		/* Don't enable full login after initial LIP */
5015 		nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
5016 		/* Don't enable LIP full login for initiator */
5017 		nv->host_p &= __constant_cpu_to_le32(~BIT_10);
5018 	}
5019 
5020 	qlt_24xx_config_nvram_stage1(vha, nv);
5021 
5022 	/* Reset Initialization control block */
5023 	memset(icb, 0, ha->init_cb_size);
5024 
5025 	/* Copy 1st segment. */
5026 	dptr1 = (uint8_t *)icb;
5027 	dptr2 = (uint8_t *)&nv->version;
5028 	cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5029 	while (cnt--)
5030 		*dptr1++ = *dptr2++;
5031 
5032 	icb->login_retry_count = nv->login_retry_count;
5033 	icb->link_down_on_nos = nv->link_down_on_nos;
5034 
5035 	/* Copy 2nd segment. */
5036 	dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5037 	dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5038 	cnt = (uint8_t *)&icb->reserved_3 -
5039 	    (uint8_t *)&icb->interrupt_delay_timer;
5040 	while (cnt--)
5041 		*dptr1++ = *dptr2++;
5042 
5043 	/*
5044 	 * Setup driver NVRAM options.
5045 	 */
5046 	qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5047 	    "QLA2462");
5048 
5049 	qlt_24xx_config_nvram_stage2(vha, icb);
5050 
5051 	if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5052 		/* Use alternate WWN? */
5053 		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5054 		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5055 	}
5056 
5057 	/* Prepare nodename */
5058 	if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5059 		/*
5060 		 * Firmware will apply the following mask if the nodename was
5061 		 * not provided.
5062 		 */
5063 		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5064 		icb->node_name[0] &= 0xF0;
5065 	}
5066 
5067 	/* Set host adapter parameters. */
5068 	ha->flags.disable_risc_code_load = 0;
5069 	ha->flags.enable_lip_reset = 0;
5070 	ha->flags.enable_lip_full_login =
5071 	    le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5072 	ha->flags.enable_target_reset =
5073 	    le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5074 	ha->flags.enable_led_scheme = 0;
5075 	ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5076 
5077 	ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5078 	    (BIT_6 | BIT_5 | BIT_4)) >> 4;
5079 
5080 	memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
5081 	    sizeof(ha->fw_seriallink_options24));
5082 
5083 	/* save HBA serial number */
5084 	ha->serial0 = icb->port_name[5];
5085 	ha->serial1 = icb->port_name[6];
5086 	ha->serial2 = icb->port_name[7];
5087 	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5088 	memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5089 
5090 	icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5091 
5092 	ha->retry_count = le16_to_cpu(nv->login_retry_count);
5093 
5094 	/* Set minimum login_timeout to 4 seconds. */
5095 	if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5096 		nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5097 	if (le16_to_cpu(nv->login_timeout) < 4)
5098 		nv->login_timeout = __constant_cpu_to_le16(4);
5099 	ha->login_timeout = le16_to_cpu(nv->login_timeout);
5100 	icb->login_timeout = nv->login_timeout;
5101 
5102 	/* Set minimum RATOV to 100 tenths of a second. */
5103 	ha->r_a_tov = 100;
5104 
5105 	ha->loop_reset_delay = nv->reset_delay;
5106 
5107 	/* Link Down Timeout = 0:
5108 	 *
5109 	 * 	When Port Down timer expires we will start returning
5110 	 *	I/O's to OS with "DID_NO_CONNECT".
5111 	 *
5112 	 * Link Down Timeout != 0:
5113 	 *
5114 	 *	 The driver waits for the link to come up after link down
5115 	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
5116 	 */
5117 	if (le16_to_cpu(nv->link_down_timeout) == 0) {
5118 		ha->loop_down_abort_time =
5119 		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5120 	} else {
5121 		ha->link_down_timeout =	le16_to_cpu(nv->link_down_timeout);
5122 		ha->loop_down_abort_time =
5123 		    (LOOP_DOWN_TIME - ha->link_down_timeout);
5124 	}
5125 
5126 	/* Need enough time to try and get the port back. */
5127 	ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5128 	if (qlport_down_retry)
5129 		ha->port_down_retry_count = qlport_down_retry;
5130 
5131 	/* Set login_retry_count */
5132 	ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5133 	if (ha->port_down_retry_count ==
5134 	    le16_to_cpu(nv->port_down_retry_count) &&
5135 	    ha->port_down_retry_count > 3)
5136 		ha->login_retry_count = ha->port_down_retry_count;
5137 	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5138 		ha->login_retry_count = ha->port_down_retry_count;
5139 	if (ql2xloginretrycount)
5140 		ha->login_retry_count = ql2xloginretrycount;
5141 
5142 	/* Enable ZIO. */
5143 	if (!vha->flags.init_done) {
5144 		ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5145 		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5146 		ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5147 		    le16_to_cpu(icb->interrupt_delay_timer): 2;
5148 	}
5149 	icb->firmware_options_2 &= __constant_cpu_to_le32(
5150 	    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5151 	vha->flags.process_response_queue = 0;
5152 	if (ha->zio_mode != QLA_ZIO_DISABLED) {
5153 		ha->zio_mode = QLA_ZIO_MODE_6;
5154 
5155 		ql_log(ql_log_info, vha, 0x006f,
5156 		    "ZIO mode %d enabled; timer delay (%d us).\n",
5157 		    ha->zio_mode, ha->zio_timer * 100);
5158 
5159 		icb->firmware_options_2 |= cpu_to_le32(
5160 		    (uint32_t)ha->zio_mode);
5161 		icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5162 		vha->flags.process_response_queue = 1;
5163 	}
5164 
5165 	if (rval) {
5166 		ql_log(ql_log_warn, vha, 0x0070,
5167 		    "NVRAM configuration failed.\n");
5168 	}
5169 	return (rval);
5170 }
5171 
5172 static int
5173 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5174     uint32_t faddr)
5175 {
5176 	int	rval = QLA_SUCCESS;
5177 	int	segments, fragment;
5178 	uint32_t *dcode, dlen;
5179 	uint32_t risc_addr;
5180 	uint32_t risc_size;
5181 	uint32_t i;
5182 	struct qla_hw_data *ha = vha->hw;
5183 	struct req_que *req = ha->req_q_map[0];
5184 
5185 	ql_dbg(ql_dbg_init, vha, 0x008b,
5186 	    "FW: Loading firmware from flash (%x).\n", faddr);
5187 
5188 	rval = QLA_SUCCESS;
5189 
5190 	segments = FA_RISC_CODE_SEGMENTS;
5191 	dcode = (uint32_t *)req->ring;
5192 	*srisc_addr = 0;
5193 
5194 	/* Validate firmware image by checking version. */
5195 	qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5196 	for (i = 0; i < 4; i++)
5197 		dcode[i] = be32_to_cpu(dcode[i]);
5198 	if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5199 	    dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5200 	    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5201 		dcode[3] == 0)) {
5202 		ql_log(ql_log_fatal, vha, 0x008c,
5203 		    "Unable to verify the integrity of flash firmware "
5204 		    "image.\n");
5205 		ql_log(ql_log_fatal, vha, 0x008d,
5206 		    "Firmware data: %08x %08x %08x %08x.\n",
5207 		    dcode[0], dcode[1], dcode[2], dcode[3]);
5208 
5209 		return QLA_FUNCTION_FAILED;
5210 	}
5211 
5212 	while (segments && rval == QLA_SUCCESS) {
5213 		/* Read segment's load information. */
5214 		qla24xx_read_flash_data(vha, dcode, faddr, 4);
5215 
5216 		risc_addr = be32_to_cpu(dcode[2]);
5217 		*srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5218 		risc_size = be32_to_cpu(dcode[3]);
5219 
5220 		fragment = 0;
5221 		while (risc_size > 0 && rval == QLA_SUCCESS) {
5222 			dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5223 			if (dlen > risc_size)
5224 				dlen = risc_size;
5225 
5226 			ql_dbg(ql_dbg_init, vha, 0x008e,
5227 			    "Loading risc segment@ risc addr %x "
5228 			    "number of dwords 0x%x offset 0x%x.\n",
5229 			    risc_addr, dlen, faddr);
5230 
5231 			qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5232 			for (i = 0; i < dlen; i++)
5233 				dcode[i] = swab32(dcode[i]);
5234 
5235 			rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5236 			    dlen);
5237 			if (rval) {
5238 				ql_log(ql_log_fatal, vha, 0x008f,
5239 				    "Failed to load segment %d of firmware.\n",
5240 				    fragment);
5241 				return QLA_FUNCTION_FAILED;
5242 			}
5243 
5244 			faddr += dlen;
5245 			risc_addr += dlen;
5246 			risc_size -= dlen;
5247 			fragment++;
5248 		}
5249 
5250 		/* Next segment. */
5251 		segments--;
5252 	}
5253 
5254 	if (!IS_QLA27XX(ha))
5255 		return rval;
5256 
5257 	if (ha->fw_dump_template)
5258 		vfree(ha->fw_dump_template);
5259 	ha->fw_dump_template = NULL;
5260 	ha->fw_dump_template_len = 0;
5261 
5262 	ql_dbg(ql_dbg_init, vha, 0x0161,
5263 	    "Loading fwdump template from %x\n", faddr);
5264 	qla24xx_read_flash_data(vha, dcode, faddr, 7);
5265 	risc_size = be32_to_cpu(dcode[2]);
5266 	ql_dbg(ql_dbg_init, vha, 0x0162,
5267 	    "-> array size %x dwords\n", risc_size);
5268 	if (risc_size == 0 || risc_size == ~0)
5269 		goto default_template;
5270 
5271 	dlen = (risc_size - 8) * sizeof(*dcode);
5272 	ql_dbg(ql_dbg_init, vha, 0x0163,
5273 	    "-> template allocating %x bytes...\n", dlen);
5274 	ha->fw_dump_template = vmalloc(dlen);
5275 	if (!ha->fw_dump_template) {
5276 		ql_log(ql_log_warn, vha, 0x0164,
5277 		    "Failed fwdump template allocate %x bytes.\n", risc_size);
5278 		goto default_template;
5279 	}
5280 
5281 	faddr += 7;
5282 	risc_size -= 8;
5283 	dcode = ha->fw_dump_template;
5284 	qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
5285 	for (i = 0; i < risc_size; i++)
5286 		dcode[i] = le32_to_cpu(dcode[i]);
5287 
5288 	if (!qla27xx_fwdt_template_valid(dcode)) {
5289 		ql_log(ql_log_warn, vha, 0x0165,
5290 		    "Failed fwdump template validate\n");
5291 		goto default_template;
5292 	}
5293 
5294 	dlen = qla27xx_fwdt_template_size(dcode);
5295 	ql_dbg(ql_dbg_init, vha, 0x0166,
5296 	    "-> template size %x bytes\n", dlen);
5297 	if (dlen > risc_size * sizeof(*dcode)) {
5298 		ql_log(ql_log_warn, vha, 0x0167,
5299 		    "Failed fwdump template exceeds array by %x bytes\n",
5300 		    (uint32_t)(dlen - risc_size * sizeof(*dcode)));
5301 		goto default_template;
5302 	}
5303 	ha->fw_dump_template_len = dlen;
5304 	return rval;
5305 
5306 default_template:
5307 	ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
5308 	if (ha->fw_dump_template)
5309 		vfree(ha->fw_dump_template);
5310 	ha->fw_dump_template = NULL;
5311 	ha->fw_dump_template_len = 0;
5312 
5313 	dlen = qla27xx_fwdt_template_default_size();
5314 	ql_dbg(ql_dbg_init, vha, 0x0169,
5315 	    "-> template allocating %x bytes...\n", dlen);
5316 	ha->fw_dump_template = vmalloc(dlen);
5317 	if (!ha->fw_dump_template) {
5318 		ql_log(ql_log_warn, vha, 0x016a,
5319 		    "Failed fwdump template allocate %x bytes.\n", risc_size);
5320 		goto failed_template;
5321 	}
5322 
5323 	dcode = ha->fw_dump_template;
5324 	risc_size = dlen / sizeof(*dcode);
5325 	memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
5326 	for (i = 0; i < risc_size; i++)
5327 		dcode[i] = be32_to_cpu(dcode[i]);
5328 
5329 	if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5330 		ql_log(ql_log_warn, vha, 0x016b,
5331 		    "Failed fwdump template validate\n");
5332 		goto failed_template;
5333 	}
5334 
5335 	dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5336 	ql_dbg(ql_dbg_init, vha, 0x016c,
5337 	    "-> template size %x bytes\n", dlen);
5338 	ha->fw_dump_template_len = dlen;
5339 	return rval;
5340 
5341 failed_template:
5342 	ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
5343 	if (ha->fw_dump_template)
5344 		vfree(ha->fw_dump_template);
5345 	ha->fw_dump_template = NULL;
5346 	ha->fw_dump_template_len = 0;
5347 	return rval;
5348 }
5349 
5350 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5351 
5352 int
5353 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5354 {
5355 	int	rval;
5356 	int	i, fragment;
5357 	uint16_t *wcode, *fwcode;
5358 	uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5359 	struct fw_blob *blob;
5360 	struct qla_hw_data *ha = vha->hw;
5361 	struct req_que *req = ha->req_q_map[0];
5362 
5363 	/* Load firmware blob. */
5364 	blob = qla2x00_request_firmware(vha);
5365 	if (!blob) {
5366 		ql_log(ql_log_info, vha, 0x0083,
5367 		    "Fimware image unavailable.\n");
5368 		ql_log(ql_log_info, vha, 0x0084,
5369 		    "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5370 		return QLA_FUNCTION_FAILED;
5371 	}
5372 
5373 	rval = QLA_SUCCESS;
5374 
5375 	wcode = (uint16_t *)req->ring;
5376 	*srisc_addr = 0;
5377 	fwcode = (uint16_t *)blob->fw->data;
5378 	fwclen = 0;
5379 
5380 	/* Validate firmware image by checking version. */
5381 	if (blob->fw->size < 8 * sizeof(uint16_t)) {
5382 		ql_log(ql_log_fatal, vha, 0x0085,
5383 		    "Unable to verify integrity of firmware image (%Zd).\n",
5384 		    blob->fw->size);
5385 		goto fail_fw_integrity;
5386 	}
5387 	for (i = 0; i < 4; i++)
5388 		wcode[i] = be16_to_cpu(fwcode[i + 4]);
5389 	if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5390 	    wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5391 		wcode[2] == 0 && wcode[3] == 0)) {
5392 		ql_log(ql_log_fatal, vha, 0x0086,
5393 		    "Unable to verify integrity of firmware image.\n");
5394 		ql_log(ql_log_fatal, vha, 0x0087,
5395 		    "Firmware data: %04x %04x %04x %04x.\n",
5396 		    wcode[0], wcode[1], wcode[2], wcode[3]);
5397 		goto fail_fw_integrity;
5398 	}
5399 
5400 	seg = blob->segs;
5401 	while (*seg && rval == QLA_SUCCESS) {
5402 		risc_addr = *seg;
5403 		*srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5404 		risc_size = be16_to_cpu(fwcode[3]);
5405 
5406 		/* Validate firmware image size. */
5407 		fwclen += risc_size * sizeof(uint16_t);
5408 		if (blob->fw->size < fwclen) {
5409 			ql_log(ql_log_fatal, vha, 0x0088,
5410 			    "Unable to verify integrity of firmware image "
5411 			    "(%Zd).\n", blob->fw->size);
5412 			goto fail_fw_integrity;
5413 		}
5414 
5415 		fragment = 0;
5416 		while (risc_size > 0 && rval == QLA_SUCCESS) {
5417 			wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5418 			if (wlen > risc_size)
5419 				wlen = risc_size;
5420 			ql_dbg(ql_dbg_init, vha, 0x0089,
5421 			    "Loading risc segment@ risc addr %x number of "
5422 			    "words 0x%x.\n", risc_addr, wlen);
5423 
5424 			for (i = 0; i < wlen; i++)
5425 				wcode[i] = swab16(fwcode[i]);
5426 
5427 			rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5428 			    wlen);
5429 			if (rval) {
5430 				ql_log(ql_log_fatal, vha, 0x008a,
5431 				    "Failed to load segment %d of firmware.\n",
5432 				    fragment);
5433 				break;
5434 			}
5435 
5436 			fwcode += wlen;
5437 			risc_addr += wlen;
5438 			risc_size -= wlen;
5439 			fragment++;
5440 		}
5441 
5442 		/* Next segment. */
5443 		seg++;
5444 	}
5445 	return rval;
5446 
5447 fail_fw_integrity:
5448 	return QLA_FUNCTION_FAILED;
5449 }
5450 
5451 static int
5452 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5453 {
5454 	int	rval;
5455 	int	segments, fragment;
5456 	uint32_t *dcode, dlen;
5457 	uint32_t risc_addr;
5458 	uint32_t risc_size;
5459 	uint32_t i;
5460 	struct fw_blob *blob;
5461 	const uint32_t *fwcode;
5462 	uint32_t fwclen;
5463 	struct qla_hw_data *ha = vha->hw;
5464 	struct req_que *req = ha->req_q_map[0];
5465 
5466 	/* Load firmware blob. */
5467 	blob = qla2x00_request_firmware(vha);
5468 	if (!blob) {
5469 		ql_log(ql_log_warn, vha, 0x0090,
5470 		    "Fimware image unavailable.\n");
5471 		ql_log(ql_log_warn, vha, 0x0091,
5472 		    "Firmware images can be retrieved from: "
5473 		    QLA_FW_URL ".\n");
5474 
5475 		return QLA_FUNCTION_FAILED;
5476 	}
5477 
5478 	ql_dbg(ql_dbg_init, vha, 0x0092,
5479 	    "FW: Loading via request-firmware.\n");
5480 
5481 	rval = QLA_SUCCESS;
5482 
5483 	segments = FA_RISC_CODE_SEGMENTS;
5484 	dcode = (uint32_t *)req->ring;
5485 	*srisc_addr = 0;
5486 	fwcode = (uint32_t *)blob->fw->data;
5487 	fwclen = 0;
5488 
5489 	/* Validate firmware image by checking version. */
5490 	if (blob->fw->size < 8 * sizeof(uint32_t)) {
5491 		ql_log(ql_log_fatal, vha, 0x0093,
5492 		    "Unable to verify integrity of firmware image (%Zd).\n",
5493 		    blob->fw->size);
5494 		return QLA_FUNCTION_FAILED;
5495 	}
5496 	for (i = 0; i < 4; i++)
5497 		dcode[i] = be32_to_cpu(fwcode[i + 4]);
5498 	if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5499 	    dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5500 	    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5501 		dcode[3] == 0)) {
5502 		ql_log(ql_log_fatal, vha, 0x0094,
5503 		    "Unable to verify integrity of firmware image (%Zd).\n",
5504 		    blob->fw->size);
5505 		ql_log(ql_log_fatal, vha, 0x0095,
5506 		    "Firmware data: %08x %08x %08x %08x.\n",
5507 		    dcode[0], dcode[1], dcode[2], dcode[3]);
5508 		return QLA_FUNCTION_FAILED;
5509 	}
5510 
5511 	while (segments && rval == QLA_SUCCESS) {
5512 		risc_addr = be32_to_cpu(fwcode[2]);
5513 		*srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5514 		risc_size = be32_to_cpu(fwcode[3]);
5515 
5516 		/* Validate firmware image size. */
5517 		fwclen += risc_size * sizeof(uint32_t);
5518 		if (blob->fw->size < fwclen) {
5519 			ql_log(ql_log_fatal, vha, 0x0096,
5520 			    "Unable to verify integrity of firmware image "
5521 			    "(%Zd).\n", blob->fw->size);
5522 			return QLA_FUNCTION_FAILED;
5523 		}
5524 
5525 		fragment = 0;
5526 		while (risc_size > 0 && rval == QLA_SUCCESS) {
5527 			dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5528 			if (dlen > risc_size)
5529 				dlen = risc_size;
5530 
5531 			ql_dbg(ql_dbg_init, vha, 0x0097,
5532 			    "Loading risc segment@ risc addr %x "
5533 			    "number of dwords 0x%x.\n", risc_addr, dlen);
5534 
5535 			for (i = 0; i < dlen; i++)
5536 				dcode[i] = swab32(fwcode[i]);
5537 
5538 			rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5539 			    dlen);
5540 			if (rval) {
5541 				ql_log(ql_log_fatal, vha, 0x0098,
5542 				    "Failed to load segment %d of firmware.\n",
5543 				    fragment);
5544 				return QLA_FUNCTION_FAILED;
5545 			}
5546 
5547 			fwcode += dlen;
5548 			risc_addr += dlen;
5549 			risc_size -= dlen;
5550 			fragment++;
5551 		}
5552 
5553 		/* Next segment. */
5554 		segments--;
5555 	}
5556 
5557 	if (!IS_QLA27XX(ha))
5558 		return rval;
5559 
5560 	if (ha->fw_dump_template)
5561 		vfree(ha->fw_dump_template);
5562 	ha->fw_dump_template = NULL;
5563 	ha->fw_dump_template_len = 0;
5564 
5565 	ql_dbg(ql_dbg_init, vha, 0x171,
5566 	    "Loading fwdump template from %x\n",
5567 	    (uint32_t)((void *)fwcode - (void *)blob->fw->data));
5568 	risc_size = be32_to_cpu(fwcode[2]);
5569 	ql_dbg(ql_dbg_init, vha, 0x172,
5570 	    "-> array size %x dwords\n", risc_size);
5571 	if (risc_size == 0 || risc_size == ~0)
5572 		goto default_template;
5573 
5574 	dlen = (risc_size - 8) * sizeof(*fwcode);
5575 	ql_dbg(ql_dbg_init, vha, 0x0173,
5576 	    "-> template allocating %x bytes...\n", dlen);
5577 	ha->fw_dump_template = vmalloc(dlen);
5578 	if (!ha->fw_dump_template) {
5579 		ql_log(ql_log_warn, vha, 0x0174,
5580 		    "Failed fwdump template allocate %x bytes.\n", risc_size);
5581 		goto default_template;
5582 	}
5583 
5584 	fwcode += 7;
5585 	risc_size -= 8;
5586 	dcode = ha->fw_dump_template;
5587 	for (i = 0; i < risc_size; i++)
5588 		dcode[i] = le32_to_cpu(fwcode[i]);
5589 
5590 	if (!qla27xx_fwdt_template_valid(dcode)) {
5591 		ql_log(ql_log_warn, vha, 0x0175,
5592 		    "Failed fwdump template validate\n");
5593 		goto default_template;
5594 	}
5595 
5596 	dlen = qla27xx_fwdt_template_size(dcode);
5597 	ql_dbg(ql_dbg_init, vha, 0x0176,
5598 	    "-> template size %x bytes\n", dlen);
5599 	if (dlen > risc_size * sizeof(*fwcode)) {
5600 		ql_log(ql_log_warn, vha, 0x0177,
5601 		    "Failed fwdump template exceeds array by %x bytes\n",
5602 		    (uint32_t)(dlen - risc_size * sizeof(*fwcode)));
5603 		goto default_template;
5604 	}
5605 	ha->fw_dump_template_len = dlen;
5606 	return rval;
5607 
5608 default_template:
5609 	ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
5610 	if (ha->fw_dump_template)
5611 		vfree(ha->fw_dump_template);
5612 	ha->fw_dump_template = NULL;
5613 	ha->fw_dump_template_len = 0;
5614 
5615 	dlen = qla27xx_fwdt_template_default_size();
5616 	ql_dbg(ql_dbg_init, vha, 0x0179,
5617 	    "-> template allocating %x bytes...\n", dlen);
5618 	ha->fw_dump_template = vmalloc(dlen);
5619 	if (!ha->fw_dump_template) {
5620 		ql_log(ql_log_warn, vha, 0x017a,
5621 		    "Failed fwdump template allocate %x bytes.\n", risc_size);
5622 		goto failed_template;
5623 	}
5624 
5625 	dcode = ha->fw_dump_template;
5626 	risc_size = dlen / sizeof(*fwcode);
5627 	fwcode = qla27xx_fwdt_template_default();
5628 	for (i = 0; i < risc_size; i++)
5629 		dcode[i] = be32_to_cpu(fwcode[i]);
5630 
5631 	if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5632 		ql_log(ql_log_warn, vha, 0x017b,
5633 		    "Failed fwdump template validate\n");
5634 		goto failed_template;
5635 	}
5636 
5637 	dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5638 	ql_dbg(ql_dbg_init, vha, 0x017c,
5639 	    "-> template size %x bytes\n", dlen);
5640 	ha->fw_dump_template_len = dlen;
5641 	return rval;
5642 
5643 failed_template:
5644 	ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
5645 	if (ha->fw_dump_template)
5646 		vfree(ha->fw_dump_template);
5647 	ha->fw_dump_template = NULL;
5648 	ha->fw_dump_template_len = 0;
5649 	return rval;
5650 }
5651 
5652 int
5653 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5654 {
5655 	int rval;
5656 
5657 	if (ql2xfwloadbin == 1)
5658 		return qla81xx_load_risc(vha, srisc_addr);
5659 
5660 	/*
5661 	 * FW Load priority:
5662 	 * 1) Firmware via request-firmware interface (.bin file).
5663 	 * 2) Firmware residing in flash.
5664 	 */
5665 	rval = qla24xx_load_risc_blob(vha, srisc_addr);
5666 	if (rval == QLA_SUCCESS)
5667 		return rval;
5668 
5669 	return qla24xx_load_risc_flash(vha, srisc_addr,
5670 	    vha->hw->flt_region_fw);
5671 }
5672 
5673 int
5674 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5675 {
5676 	int rval;
5677 	struct qla_hw_data *ha = vha->hw;
5678 
5679 	if (ql2xfwloadbin == 2)
5680 		goto try_blob_fw;
5681 
5682 	/*
5683 	 * FW Load priority:
5684 	 * 1) Firmware residing in flash.
5685 	 * 2) Firmware via request-firmware interface (.bin file).
5686 	 * 3) Golden-Firmware residing in flash -- limited operation.
5687 	 */
5688 	rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5689 	if (rval == QLA_SUCCESS)
5690 		return rval;
5691 
5692 try_blob_fw:
5693 	rval = qla24xx_load_risc_blob(vha, srisc_addr);
5694 	if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5695 		return rval;
5696 
5697 	ql_log(ql_log_info, vha, 0x0099,
5698 	    "Attempting to fallback to golden firmware.\n");
5699 	rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5700 	if (rval != QLA_SUCCESS)
5701 		return rval;
5702 
5703 	ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5704 	ha->flags.running_gold_fw = 1;
5705 	return rval;
5706 }
5707 
5708 void
5709 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5710 {
5711 	int ret, retries;
5712 	struct qla_hw_data *ha = vha->hw;
5713 
5714 	if (ha->flags.pci_channel_io_perm_failure)
5715 		return;
5716 	if (!IS_FWI2_CAPABLE(ha))
5717 		return;
5718 	if (!ha->fw_major_version)
5719 		return;
5720 
5721 	ret = qla2x00_stop_firmware(vha);
5722 	for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5723 	    ret != QLA_INVALID_COMMAND && retries ; retries--) {
5724 		ha->isp_ops->reset_chip(vha);
5725 		if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5726 			continue;
5727 		if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5728 			continue;
5729 		ql_log(ql_log_info, vha, 0x8015,
5730 		    "Attempting retry of stop-firmware command.\n");
5731 		ret = qla2x00_stop_firmware(vha);
5732 	}
5733 }
5734 
5735 int
5736 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5737 {
5738 	int rval = QLA_SUCCESS;
5739 	int rval2;
5740 	uint16_t mb[MAILBOX_REGISTER_COUNT];
5741 	struct qla_hw_data *ha = vha->hw;
5742 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5743 	struct req_que *req;
5744 	struct rsp_que *rsp;
5745 
5746 	if (!vha->vp_idx)
5747 		return -EINVAL;
5748 
5749 	rval = qla2x00_fw_ready(base_vha);
5750 	if (ha->flags.cpu_affinity_enabled)
5751 		req = ha->req_q_map[0];
5752 	else
5753 		req = vha->req;
5754 	rsp = req->rsp;
5755 
5756 	if (rval == QLA_SUCCESS) {
5757 		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5758 		qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5759 	}
5760 
5761 	vha->flags.management_server_logged_in = 0;
5762 
5763 	/* Login to SNS first */
5764 	rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5765 	    BIT_1);
5766 	if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5767 		if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5768 			ql_dbg(ql_dbg_init, vha, 0x0120,
5769 			    "Failed SNS login: loop_id=%x, rval2=%d\n",
5770 			    NPH_SNS, rval2);
5771 		else
5772 			ql_dbg(ql_dbg_init, vha, 0x0103,
5773 			    "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5774 			    "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5775 			    NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5776 		return (QLA_FUNCTION_FAILED);
5777 	}
5778 
5779 	atomic_set(&vha->loop_down_timer, 0);
5780 	atomic_set(&vha->loop_state, LOOP_UP);
5781 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5782 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5783 	rval = qla2x00_loop_resync(base_vha);
5784 
5785 	return rval;
5786 }
5787 
5788 /* 84XX Support **************************************************************/
5789 
5790 static LIST_HEAD(qla_cs84xx_list);
5791 static DEFINE_MUTEX(qla_cs84xx_mutex);
5792 
5793 static struct qla_chip_state_84xx *
5794 qla84xx_get_chip(struct scsi_qla_host *vha)
5795 {
5796 	struct qla_chip_state_84xx *cs84xx;
5797 	struct qla_hw_data *ha = vha->hw;
5798 
5799 	mutex_lock(&qla_cs84xx_mutex);
5800 
5801 	/* Find any shared 84xx chip. */
5802 	list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5803 		if (cs84xx->bus == ha->pdev->bus) {
5804 			kref_get(&cs84xx->kref);
5805 			goto done;
5806 		}
5807 	}
5808 
5809 	cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5810 	if (!cs84xx)
5811 		goto done;
5812 
5813 	kref_init(&cs84xx->kref);
5814 	spin_lock_init(&cs84xx->access_lock);
5815 	mutex_init(&cs84xx->fw_update_mutex);
5816 	cs84xx->bus = ha->pdev->bus;
5817 
5818 	list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5819 done:
5820 	mutex_unlock(&qla_cs84xx_mutex);
5821 	return cs84xx;
5822 }
5823 
5824 static void
5825 __qla84xx_chip_release(struct kref *kref)
5826 {
5827 	struct qla_chip_state_84xx *cs84xx =
5828 	    container_of(kref, struct qla_chip_state_84xx, kref);
5829 
5830 	mutex_lock(&qla_cs84xx_mutex);
5831 	list_del(&cs84xx->list);
5832 	mutex_unlock(&qla_cs84xx_mutex);
5833 	kfree(cs84xx);
5834 }
5835 
5836 void
5837 qla84xx_put_chip(struct scsi_qla_host *vha)
5838 {
5839 	struct qla_hw_data *ha = vha->hw;
5840 	if (ha->cs84xx)
5841 		kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5842 }
5843 
5844 static int
5845 qla84xx_init_chip(scsi_qla_host_t *vha)
5846 {
5847 	int rval;
5848 	uint16_t status[2];
5849 	struct qla_hw_data *ha = vha->hw;
5850 
5851 	mutex_lock(&ha->cs84xx->fw_update_mutex);
5852 
5853 	rval = qla84xx_verify_chip(vha, status);
5854 
5855 	mutex_unlock(&ha->cs84xx->fw_update_mutex);
5856 
5857 	return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5858 	    QLA_SUCCESS;
5859 }
5860 
5861 /* 81XX Support **************************************************************/
5862 
5863 int
5864 qla81xx_nvram_config(scsi_qla_host_t *vha)
5865 {
5866 	int   rval;
5867 	struct init_cb_81xx *icb;
5868 	struct nvram_81xx *nv;
5869 	uint32_t *dptr;
5870 	uint8_t  *dptr1, *dptr2;
5871 	uint32_t chksum;
5872 	uint16_t cnt;
5873 	struct qla_hw_data *ha = vha->hw;
5874 
5875 	rval = QLA_SUCCESS;
5876 	icb = (struct init_cb_81xx *)ha->init_cb;
5877 	nv = ha->nvram;
5878 
5879 	/* Determine NVRAM starting address. */
5880 	ha->nvram_size = sizeof(struct nvram_81xx);
5881 	ha->vpd_size = FA_NVRAM_VPD_SIZE;
5882 	if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
5883 		ha->vpd_size = FA_VPD_SIZE_82XX;
5884 
5885 	/* Get VPD data into cache */
5886 	ha->vpd = ha->nvram + VPD_OFFSET;
5887 	ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5888 	    ha->vpd_size);
5889 
5890 	/* Get NVRAM data into cache and calculate checksum. */
5891 	ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5892 	    ha->nvram_size);
5893 	dptr = (uint32_t *)nv;
5894 	for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5895 		chksum += le32_to_cpu(*dptr++);
5896 
5897 	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5898 	    "Contents of NVRAM:\n");
5899 	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5900 	    (uint8_t *)nv, ha->nvram_size);
5901 
5902 	/* Bad NVRAM data, set defaults parameters. */
5903 	if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5904 	    || nv->id[3] != ' ' ||
5905 	    nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5906 		/* Reset NVRAM data. */
5907 		ql_log(ql_log_info, vha, 0x0073,
5908 		    "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5909 		    "version=0x%x.\n", chksum, nv->id[0],
5910 		    le16_to_cpu(nv->nvram_version));
5911 		ql_log(ql_log_info, vha, 0x0074,
5912 		    "Falling back to functioning (yet invalid -- WWPN) "
5913 		    "defaults.\n");
5914 
5915 		/*
5916 		 * Set default initialization control block.
5917 		 */
5918 		memset(nv, 0, ha->nvram_size);
5919 		nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5920 		nv->version = __constant_cpu_to_le16(ICB_VERSION);
5921 		nv->frame_payload_size = 2048;
5922 		nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5923 		nv->exchange_count = __constant_cpu_to_le16(0);
5924 		nv->port_name[0] = 0x21;
5925 		nv->port_name[1] = 0x00 + ha->port_no + 1;
5926 		nv->port_name[2] = 0x00;
5927 		nv->port_name[3] = 0xe0;
5928 		nv->port_name[4] = 0x8b;
5929 		nv->port_name[5] = 0x1c;
5930 		nv->port_name[6] = 0x55;
5931 		nv->port_name[7] = 0x86;
5932 		nv->node_name[0] = 0x20;
5933 		nv->node_name[1] = 0x00;
5934 		nv->node_name[2] = 0x00;
5935 		nv->node_name[3] = 0xe0;
5936 		nv->node_name[4] = 0x8b;
5937 		nv->node_name[5] = 0x1c;
5938 		nv->node_name[6] = 0x55;
5939 		nv->node_name[7] = 0x86;
5940 		nv->login_retry_count = __constant_cpu_to_le16(8);
5941 		nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5942 		nv->login_timeout = __constant_cpu_to_le16(0);
5943 		nv->firmware_options_1 =
5944 		    __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5945 		nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5946 		nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5947 		nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5948 		nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5949 		nv->efi_parameters = __constant_cpu_to_le32(0);
5950 		nv->reset_delay = 5;
5951 		nv->max_luns_per_target = __constant_cpu_to_le16(128);
5952 		nv->port_down_retry_count = __constant_cpu_to_le16(30);
5953 		nv->link_down_timeout = __constant_cpu_to_le16(180);
5954 		nv->enode_mac[0] = 0x00;
5955 		nv->enode_mac[1] = 0xC0;
5956 		nv->enode_mac[2] = 0xDD;
5957 		nv->enode_mac[3] = 0x04;
5958 		nv->enode_mac[4] = 0x05;
5959 		nv->enode_mac[5] = 0x06 + ha->port_no + 1;
5960 
5961 		rval = 1;
5962 	}
5963 
5964 	if (IS_T10_PI_CAPABLE(ha))
5965 		nv->frame_payload_size &= ~7;
5966 
5967 	qlt_81xx_config_nvram_stage1(vha, nv);
5968 
5969 	/* Reset Initialization control block */
5970 	memset(icb, 0, ha->init_cb_size);
5971 
5972 	/* Copy 1st segment. */
5973 	dptr1 = (uint8_t *)icb;
5974 	dptr2 = (uint8_t *)&nv->version;
5975 	cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5976 	while (cnt--)
5977 		*dptr1++ = *dptr2++;
5978 
5979 	icb->login_retry_count = nv->login_retry_count;
5980 
5981 	/* Copy 2nd segment. */
5982 	dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5983 	dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5984 	cnt = (uint8_t *)&icb->reserved_5 -
5985 	    (uint8_t *)&icb->interrupt_delay_timer;
5986 	while (cnt--)
5987 		*dptr1++ = *dptr2++;
5988 
5989 	memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5990 	/* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5991 	if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5992 		icb->enode_mac[0] = 0x00;
5993 		icb->enode_mac[1] = 0xC0;
5994 		icb->enode_mac[2] = 0xDD;
5995 		icb->enode_mac[3] = 0x04;
5996 		icb->enode_mac[4] = 0x05;
5997 		icb->enode_mac[5] = 0x06 + ha->port_no + 1;
5998 	}
5999 
6000 	/* Use extended-initialization control block. */
6001 	memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
6002 
6003 	/*
6004 	 * Setup driver NVRAM options.
6005 	 */
6006 	qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6007 	    "QLE8XXX");
6008 
6009 	qlt_81xx_config_nvram_stage2(vha, icb);
6010 
6011 	/* Use alternate WWN? */
6012 	if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
6013 		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6014 		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6015 	}
6016 
6017 	/* Prepare nodename */
6018 	if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
6019 		/*
6020 		 * Firmware will apply the following mask if the nodename was
6021 		 * not provided.
6022 		 */
6023 		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6024 		icb->node_name[0] &= 0xF0;
6025 	}
6026 
6027 	/* Set host adapter parameters. */
6028 	ha->flags.disable_risc_code_load = 0;
6029 	ha->flags.enable_lip_reset = 0;
6030 	ha->flags.enable_lip_full_login =
6031 	    le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6032 	ha->flags.enable_target_reset =
6033 	    le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6034 	ha->flags.enable_led_scheme = 0;
6035 	ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6036 
6037 	ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6038 	    (BIT_6 | BIT_5 | BIT_4)) >> 4;
6039 
6040 	/* save HBA serial number */
6041 	ha->serial0 = icb->port_name[5];
6042 	ha->serial1 = icb->port_name[6];
6043 	ha->serial2 = icb->port_name[7];
6044 	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6045 	memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6046 
6047 	icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
6048 
6049 	ha->retry_count = le16_to_cpu(nv->login_retry_count);
6050 
6051 	/* Set minimum login_timeout to 4 seconds. */
6052 	if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6053 		nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6054 	if (le16_to_cpu(nv->login_timeout) < 4)
6055 		nv->login_timeout = __constant_cpu_to_le16(4);
6056 	ha->login_timeout = le16_to_cpu(nv->login_timeout);
6057 	icb->login_timeout = nv->login_timeout;
6058 
6059 	/* Set minimum RATOV to 100 tenths of a second. */
6060 	ha->r_a_tov = 100;
6061 
6062 	ha->loop_reset_delay = nv->reset_delay;
6063 
6064 	/* Link Down Timeout = 0:
6065 	 *
6066 	 *	When Port Down timer expires we will start returning
6067 	 *	I/O's to OS with "DID_NO_CONNECT".
6068 	 *
6069 	 * Link Down Timeout != 0:
6070 	 *
6071 	 *	 The driver waits for the link to come up after link down
6072 	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
6073 	 */
6074 	if (le16_to_cpu(nv->link_down_timeout) == 0) {
6075 		ha->loop_down_abort_time =
6076 		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6077 	} else {
6078 		ha->link_down_timeout =	le16_to_cpu(nv->link_down_timeout);
6079 		ha->loop_down_abort_time =
6080 		    (LOOP_DOWN_TIME - ha->link_down_timeout);
6081 	}
6082 
6083 	/* Need enough time to try and get the port back. */
6084 	ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6085 	if (qlport_down_retry)
6086 		ha->port_down_retry_count = qlport_down_retry;
6087 
6088 	/* Set login_retry_count */
6089 	ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6090 	if (ha->port_down_retry_count ==
6091 	    le16_to_cpu(nv->port_down_retry_count) &&
6092 	    ha->port_down_retry_count > 3)
6093 		ha->login_retry_count = ha->port_down_retry_count;
6094 	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6095 		ha->login_retry_count = ha->port_down_retry_count;
6096 	if (ql2xloginretrycount)
6097 		ha->login_retry_count = ql2xloginretrycount;
6098 
6099 	/* if not running MSI-X we need handshaking on interrupts */
6100 	if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
6101 		icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22);
6102 
6103 	/* Enable ZIO. */
6104 	if (!vha->flags.init_done) {
6105 		ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6106 		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6107 		ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6108 		    le16_to_cpu(icb->interrupt_delay_timer): 2;
6109 	}
6110 	icb->firmware_options_2 &= __constant_cpu_to_le32(
6111 	    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6112 	vha->flags.process_response_queue = 0;
6113 	if (ha->zio_mode != QLA_ZIO_DISABLED) {
6114 		ha->zio_mode = QLA_ZIO_MODE_6;
6115 
6116 		ql_log(ql_log_info, vha, 0x0075,
6117 		    "ZIO mode %d enabled; timer delay (%d us).\n",
6118 		    ha->zio_mode,
6119 		    ha->zio_timer * 100);
6120 
6121 		icb->firmware_options_2 |= cpu_to_le32(
6122 		    (uint32_t)ha->zio_mode);
6123 		icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6124 		vha->flags.process_response_queue = 1;
6125 	}
6126 
6127 	if (rval) {
6128 		ql_log(ql_log_warn, vha, 0x0076,
6129 		    "NVRAM configuration failed.\n");
6130 	}
6131 	return (rval);
6132 }
6133 
6134 int
6135 qla82xx_restart_isp(scsi_qla_host_t *vha)
6136 {
6137 	int status, rval;
6138 	struct qla_hw_data *ha = vha->hw;
6139 	struct req_que *req = ha->req_q_map[0];
6140 	struct rsp_que *rsp = ha->rsp_q_map[0];
6141 	struct scsi_qla_host *vp;
6142 	unsigned long flags;
6143 
6144 	status = qla2x00_init_rings(vha);
6145 	if (!status) {
6146 		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6147 		ha->flags.chip_reset_done = 1;
6148 
6149 		status = qla2x00_fw_ready(vha);
6150 		if (!status) {
6151 			/* Issue a marker after FW becomes ready. */
6152 			qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6153 			vha->flags.online = 1;
6154 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6155 		}
6156 
6157 		/* if no cable then assume it's good */
6158 		if ((vha->device_flags & DFLG_NO_CABLE))
6159 			status = 0;
6160 	}
6161 
6162 	if (!status) {
6163 		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6164 
6165 		if (!atomic_read(&vha->loop_down_timer)) {
6166 			/*
6167 			 * Issue marker command only when we are going
6168 			 * to start the I/O .
6169 			 */
6170 			vha->marker_needed = 1;
6171 		}
6172 
6173 		ha->isp_ops->enable_intrs(ha);
6174 
6175 		ha->isp_abort_cnt = 0;
6176 		clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6177 
6178 		/* Update the firmware version */
6179 		status = qla82xx_check_md_needed(vha);
6180 
6181 		if (ha->fce) {
6182 			ha->flags.fce_enabled = 1;
6183 			memset(ha->fce, 0,
6184 			    fce_calc_size(ha->fce_bufs));
6185 			rval = qla2x00_enable_fce_trace(vha,
6186 			    ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6187 			    &ha->fce_bufs);
6188 			if (rval) {
6189 				ql_log(ql_log_warn, vha, 0x8001,
6190 				    "Unable to reinitialize FCE (%d).\n",
6191 				    rval);
6192 				ha->flags.fce_enabled = 0;
6193 			}
6194 		}
6195 
6196 		if (ha->eft) {
6197 			memset(ha->eft, 0, EFT_SIZE);
6198 			rval = qla2x00_enable_eft_trace(vha,
6199 			    ha->eft_dma, EFT_NUM_BUFFERS);
6200 			if (rval) {
6201 				ql_log(ql_log_warn, vha, 0x8010,
6202 				    "Unable to reinitialize EFT (%d).\n",
6203 				    rval);
6204 			}
6205 		}
6206 	}
6207 
6208 	if (!status) {
6209 		ql_dbg(ql_dbg_taskm, vha, 0x8011,
6210 		    "qla82xx_restart_isp succeeded.\n");
6211 
6212 		spin_lock_irqsave(&ha->vport_slock, flags);
6213 		list_for_each_entry(vp, &ha->vp_list, list) {
6214 			if (vp->vp_idx) {
6215 				atomic_inc(&vp->vref_count);
6216 				spin_unlock_irqrestore(&ha->vport_slock, flags);
6217 
6218 				qla2x00_vp_abort_isp(vp);
6219 
6220 				spin_lock_irqsave(&ha->vport_slock, flags);
6221 				atomic_dec(&vp->vref_count);
6222 			}
6223 		}
6224 		spin_unlock_irqrestore(&ha->vport_slock, flags);
6225 
6226 	} else {
6227 		ql_log(ql_log_warn, vha, 0x8016,
6228 		    "qla82xx_restart_isp **** FAILED ****.\n");
6229 	}
6230 
6231 	return status;
6232 }
6233 
6234 void
6235 qla81xx_update_fw_options(scsi_qla_host_t *vha)
6236 {
6237 	struct qla_hw_data *ha = vha->hw;
6238 
6239 	if (!ql2xetsenable)
6240 		return;
6241 
6242 	/* Enable ETS Burst. */
6243 	memset(ha->fw_options, 0, sizeof(ha->fw_options));
6244 	ha->fw_options[2] |= BIT_9;
6245 	qla2x00_set_fw_options(vha, ha->fw_options);
6246 }
6247 
6248 /*
6249  * qla24xx_get_fcp_prio
6250  *	Gets the fcp cmd priority value for the logged in port.
6251  *	Looks for a match of the port descriptors within
6252  *	each of the fcp prio config entries. If a match is found,
6253  *	the tag (priority) value is returned.
6254  *
6255  * Input:
6256  *	vha = scsi host structure pointer.
6257  *	fcport = port structure pointer.
6258  *
6259  * Return:
6260  *	non-zero (if found)
6261  *	-1 (if not found)
6262  *
6263  * Context:
6264  * 	Kernel context
6265  */
6266 static int
6267 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6268 {
6269 	int i, entries;
6270 	uint8_t pid_match, wwn_match;
6271 	int priority;
6272 	uint32_t pid1, pid2;
6273 	uint64_t wwn1, wwn2;
6274 	struct qla_fcp_prio_entry *pri_entry;
6275 	struct qla_hw_data *ha = vha->hw;
6276 
6277 	if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
6278 		return -1;
6279 
6280 	priority = -1;
6281 	entries = ha->fcp_prio_cfg->num_entries;
6282 	pri_entry = &ha->fcp_prio_cfg->entry[0];
6283 
6284 	for (i = 0; i < entries; i++) {
6285 		pid_match = wwn_match = 0;
6286 
6287 		if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
6288 			pri_entry++;
6289 			continue;
6290 		}
6291 
6292 		/* check source pid for a match */
6293 		if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
6294 			pid1 = pri_entry->src_pid & INVALID_PORT_ID;
6295 			pid2 = vha->d_id.b24 & INVALID_PORT_ID;
6296 			if (pid1 == INVALID_PORT_ID)
6297 				pid_match++;
6298 			else if (pid1 == pid2)
6299 				pid_match++;
6300 		}
6301 
6302 		/* check destination pid for a match */
6303 		if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
6304 			pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
6305 			pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
6306 			if (pid1 == INVALID_PORT_ID)
6307 				pid_match++;
6308 			else if (pid1 == pid2)
6309 				pid_match++;
6310 		}
6311 
6312 		/* check source WWN for a match */
6313 		if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6314 			wwn1 = wwn_to_u64(vha->port_name);
6315 			wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6316 			if (wwn2 == (uint64_t)-1)
6317 				wwn_match++;
6318 			else if (wwn1 == wwn2)
6319 				wwn_match++;
6320 		}
6321 
6322 		/* check destination WWN for a match */
6323 		if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6324 			wwn1 = wwn_to_u64(fcport->port_name);
6325 			wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6326 			if (wwn2 == (uint64_t)-1)
6327 				wwn_match++;
6328 			else if (wwn1 == wwn2)
6329 				wwn_match++;
6330 		}
6331 
6332 		if (pid_match == 2 || wwn_match == 2) {
6333 			/* Found a matching entry */
6334 			if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6335 				priority = pri_entry->tag;
6336 			break;
6337 		}
6338 
6339 		pri_entry++;
6340 	}
6341 
6342 	return priority;
6343 }
6344 
6345 /*
6346  * qla24xx_update_fcport_fcp_prio
6347  *	Activates fcp priority for the logged in fc port
6348  *
6349  * Input:
6350  *	vha = scsi host structure pointer.
6351  *	fcp = port structure pointer.
6352  *
6353  * Return:
6354  *	QLA_SUCCESS or QLA_FUNCTION_FAILED
6355  *
6356  * Context:
6357  *	Kernel context.
6358  */
6359 int
6360 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6361 {
6362 	int ret;
6363 	int priority;
6364 	uint16_t mb[5];
6365 
6366 	if (fcport->port_type != FCT_TARGET ||
6367 	    fcport->loop_id == FC_NO_LOOP_ID)
6368 		return QLA_FUNCTION_FAILED;
6369 
6370 	priority = qla24xx_get_fcp_prio(vha, fcport);
6371 	if (priority < 0)
6372 		return QLA_FUNCTION_FAILED;
6373 
6374 	if (IS_P3P_TYPE(vha->hw)) {
6375 		fcport->fcp_prio = priority & 0xf;
6376 		return QLA_SUCCESS;
6377 	}
6378 
6379 	ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6380 	if (ret == QLA_SUCCESS) {
6381 		if (fcport->fcp_prio != priority)
6382 			ql_dbg(ql_dbg_user, vha, 0x709e,
6383 			    "Updated FCP_CMND priority - value=%d loop_id=%d "
6384 			    "port_id=%02x%02x%02x.\n", priority,
6385 			    fcport->loop_id, fcport->d_id.b.domain,
6386 			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
6387 		fcport->fcp_prio = priority & 0xf;
6388 	} else
6389 		ql_dbg(ql_dbg_user, vha, 0x704f,
6390 		    "Unable to update FCP_CMND priority - ret=0x%x for "
6391 		    "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6392 		    fcport->d_id.b.domain, fcport->d_id.b.area,
6393 		    fcport->d_id.b.al_pa);
6394 	return  ret;
6395 }
6396 
6397 /*
6398  * qla24xx_update_all_fcp_prio
6399  *	Activates fcp priority for all the logged in ports
6400  *
6401  * Input:
6402  *	ha = adapter block pointer.
6403  *
6404  * Return:
6405  *	QLA_SUCCESS or QLA_FUNCTION_FAILED
6406  *
6407  * Context:
6408  *	Kernel context.
6409  */
6410 int
6411 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6412 {
6413 	int ret;
6414 	fc_port_t *fcport;
6415 
6416 	ret = QLA_FUNCTION_FAILED;
6417 	/* We need to set priority for all logged in ports */
6418 	list_for_each_entry(fcport, &vha->vp_fcports, list)
6419 		ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6420 
6421 	return ret;
6422 }
6423