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*/
26static int qla2x00_isp_firmware(scsi_qla_host_t *);
27static int qla2x00_setup_chip(scsi_qla_host_t *);
28static int qla2x00_fw_ready(scsi_qla_host_t *);
29static int qla2x00_configure_hba(scsi_qla_host_t *);
30static int qla2x00_configure_loop(scsi_qla_host_t *);
31static int qla2x00_configure_local_loop(scsi_qla_host_t *);
32static int qla2x00_configure_fabric(scsi_qla_host_t *);
33static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
34static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
35    uint16_t *);
36
37static int qla2x00_restart_isp(scsi_qla_host_t *);
38
39static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
40static int qla84xx_init_chip(scsi_qla_host_t *);
41static int qla25xx_init_queues(struct qla_hw_data *);
42
43/* SRB Extensions ---------------------------------------------------------- */
44
45void
46qla2x00_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
64void
65qla2x00_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
77unsigned long
78qla2x00_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
97static void
98qla2x00_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	} else if (sp->type == SRB_LOGOUT_CMD) {
119		qlt_logo_completion_handler(fcport, QLA_FUNCTION_TIMEOUT);
120	}
121}
122
123static void
124qla2x00_async_login_sp_done(void *data, void *ptr, int res)
125{
126	srb_t *sp = (srb_t *)ptr;
127	struct srb_iocb *lio = &sp->u.iocb_cmd;
128	struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
129
130	if (!test_bit(UNLOADING, &vha->dpc_flags))
131		qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
132		    lio->u.logio.data);
133	sp->free(sp->fcport->vha, sp);
134}
135
136int
137qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
138    uint16_t *data)
139{
140	srb_t *sp;
141	struct srb_iocb *lio;
142	int rval;
143
144	rval = QLA_FUNCTION_FAILED;
145	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
146	if (!sp)
147		goto done;
148
149	sp->type = SRB_LOGIN_CMD;
150	sp->name = "login";
151	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
152
153	lio = &sp->u.iocb_cmd;
154	lio->timeout = qla2x00_async_iocb_timeout;
155	sp->done = qla2x00_async_login_sp_done;
156	lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
157	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
158		lio->u.logio.flags |= SRB_LOGIN_RETRIED;
159	rval = qla2x00_start_sp(sp);
160	if (rval != QLA_SUCCESS)
161		goto done_free_sp;
162
163	ql_dbg(ql_dbg_disc, vha, 0x2072,
164	    "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
165	    "retries=%d.\n", sp->handle, fcport->loop_id,
166	    fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
167	    fcport->login_retry);
168	return rval;
169
170done_free_sp:
171	sp->free(fcport->vha, sp);
172done:
173	return rval;
174}
175
176static void
177qla2x00_async_logout_sp_done(void *data, void *ptr, int res)
178{
179	srb_t *sp = (srb_t *)ptr;
180	struct srb_iocb *lio = &sp->u.iocb_cmd;
181	struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
182
183	if (!test_bit(UNLOADING, &vha->dpc_flags))
184		qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
185		    lio->u.logio.data);
186	sp->free(sp->fcport->vha, sp);
187}
188
189int
190qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
191{
192	srb_t *sp;
193	struct srb_iocb *lio;
194	int rval;
195
196	rval = QLA_FUNCTION_FAILED;
197	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
198	if (!sp)
199		goto done;
200
201	sp->type = SRB_LOGOUT_CMD;
202	sp->name = "logout";
203	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
204
205	lio = &sp->u.iocb_cmd;
206	lio->timeout = qla2x00_async_iocb_timeout;
207	sp->done = qla2x00_async_logout_sp_done;
208	rval = qla2x00_start_sp(sp);
209	if (rval != QLA_SUCCESS)
210		goto done_free_sp;
211
212	ql_dbg(ql_dbg_disc, vha, 0x2070,
213	    "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
214	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
215	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
216	return rval;
217
218done_free_sp:
219	sp->free(fcport->vha, sp);
220done:
221	return rval;
222}
223
224static void
225qla2x00_async_adisc_sp_done(void *data, void *ptr, int res)
226{
227	srb_t *sp = (srb_t *)ptr;
228	struct srb_iocb *lio = &sp->u.iocb_cmd;
229	struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
230
231	if (!test_bit(UNLOADING, &vha->dpc_flags))
232		qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
233		    lio->u.logio.data);
234	sp->free(sp->fcport->vha, sp);
235}
236
237int
238qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
239    uint16_t *data)
240{
241	srb_t *sp;
242	struct srb_iocb *lio;
243	int rval;
244
245	rval = QLA_FUNCTION_FAILED;
246	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
247	if (!sp)
248		goto done;
249
250	sp->type = SRB_ADISC_CMD;
251	sp->name = "adisc";
252	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
253
254	lio = &sp->u.iocb_cmd;
255	lio->timeout = qla2x00_async_iocb_timeout;
256	sp->done = qla2x00_async_adisc_sp_done;
257	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
258		lio->u.logio.flags |= SRB_LOGIN_RETRIED;
259	rval = qla2x00_start_sp(sp);
260	if (rval != QLA_SUCCESS)
261		goto done_free_sp;
262
263	ql_dbg(ql_dbg_disc, vha, 0x206f,
264	    "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
265	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
266	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
267	return rval;
268
269done_free_sp:
270	sp->free(fcport->vha, sp);
271done:
272	return rval;
273}
274
275static void
276qla2x00_tmf_iocb_timeout(void *data)
277{
278	srb_t *sp = (srb_t *)data;
279	struct srb_iocb *tmf = &sp->u.iocb_cmd;
280
281	tmf->u.tmf.comp_status = CS_TIMEOUT;
282	complete(&tmf->u.tmf.comp);
283}
284
285static void
286qla2x00_tmf_sp_done(void *data, void *ptr, int res)
287{
288	srb_t *sp = (srb_t *)ptr;
289	struct srb_iocb *tmf = &sp->u.iocb_cmd;
290	complete(&tmf->u.tmf.comp);
291}
292
293int
294qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
295	uint32_t tag)
296{
297	struct scsi_qla_host *vha = fcport->vha;
298	struct srb_iocb *tm_iocb;
299	srb_t *sp;
300	int rval = QLA_FUNCTION_FAILED;
301
302	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
303	if (!sp)
304		goto done;
305
306	tm_iocb = &sp->u.iocb_cmd;
307	sp->type = SRB_TM_CMD;
308	sp->name = "tmf";
309	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
310	tm_iocb->u.tmf.flags = flags;
311	tm_iocb->u.tmf.lun = lun;
312	tm_iocb->u.tmf.data = tag;
313	sp->done = qla2x00_tmf_sp_done;
314	tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
315	init_completion(&tm_iocb->u.tmf.comp);
316
317	rval = qla2x00_start_sp(sp);
318	if (rval != QLA_SUCCESS)
319		goto done_free_sp;
320
321	ql_dbg(ql_dbg_taskm, vha, 0x802f,
322	    "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
323	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
324	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
325
326	wait_for_completion(&tm_iocb->u.tmf.comp);
327
328	rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
329	    QLA_SUCCESS : QLA_FUNCTION_FAILED;
330
331	if ((rval != QLA_SUCCESS) || tm_iocb->u.tmf.data) {
332		ql_dbg(ql_dbg_taskm, vha, 0x8030,
333		    "TM IOCB failed (%x).\n", rval);
334	}
335
336	if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
337		flags = tm_iocb->u.tmf.flags;
338		lun = (uint16_t)tm_iocb->u.tmf.lun;
339
340		/* Issue Marker IOCB */
341		qla2x00_marker(vha, vha->hw->req_q_map[0],
342		    vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
343		    flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
344	}
345
346done_free_sp:
347	sp->free(vha, sp);
348done:
349	return rval;
350}
351
352static void
353qla24xx_abort_iocb_timeout(void *data)
354{
355	srb_t *sp = (srb_t *)data;
356	struct srb_iocb *abt = &sp->u.iocb_cmd;
357
358	abt->u.abt.comp_status = CS_TIMEOUT;
359	complete(&abt->u.abt.comp);
360}
361
362static void
363qla24xx_abort_sp_done(void *data, void *ptr, int res)
364{
365	srb_t *sp = (srb_t *)ptr;
366	struct srb_iocb *abt = &sp->u.iocb_cmd;
367
368	complete(&abt->u.abt.comp);
369}
370
371static int
372qla24xx_async_abort_cmd(srb_t *cmd_sp)
373{
374	scsi_qla_host_t *vha = cmd_sp->fcport->vha;
375	fc_port_t *fcport = cmd_sp->fcport;
376	struct srb_iocb *abt_iocb;
377	srb_t *sp;
378	int rval = QLA_FUNCTION_FAILED;
379
380	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
381	if (!sp)
382		goto done;
383
384	abt_iocb = &sp->u.iocb_cmd;
385	sp->type = SRB_ABT_CMD;
386	sp->name = "abort";
387	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
388	abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
389	sp->done = qla24xx_abort_sp_done;
390	abt_iocb->timeout = qla24xx_abort_iocb_timeout;
391	init_completion(&abt_iocb->u.abt.comp);
392
393	rval = qla2x00_start_sp(sp);
394	if (rval != QLA_SUCCESS)
395		goto done_free_sp;
396
397	ql_dbg(ql_dbg_async, vha, 0x507c,
398	    "Abort command issued - hdl=%x, target_id=%x\n",
399	    cmd_sp->handle, fcport->tgt_id);
400
401	wait_for_completion(&abt_iocb->u.abt.comp);
402
403	rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
404	    QLA_SUCCESS : QLA_FUNCTION_FAILED;
405
406done_free_sp:
407	sp->free(vha, sp);
408done:
409	return rval;
410}
411
412int
413qla24xx_async_abort_command(srb_t *sp)
414{
415	unsigned long   flags = 0;
416
417	uint32_t	handle;
418	fc_port_t	*fcport = sp->fcport;
419	struct scsi_qla_host *vha = fcport->vha;
420	struct qla_hw_data *ha = vha->hw;
421	struct req_que *req = vha->req;
422
423	spin_lock_irqsave(&ha->hardware_lock, flags);
424	for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
425		if (req->outstanding_cmds[handle] == sp)
426			break;
427	}
428	spin_unlock_irqrestore(&ha->hardware_lock, flags);
429	if (handle == req->num_outstanding_cmds) {
430		/* Command not found. */
431		return QLA_FUNCTION_FAILED;
432	}
433	if (sp->type == SRB_FXIOCB_DCMD)
434		return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
435		    FXDISC_ABORT_IOCTL);
436
437	return qla24xx_async_abort_cmd(sp);
438}
439
440void
441qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
442    uint16_t *data)
443{
444	int rval;
445
446	switch (data[0]) {
447	case MBS_COMMAND_COMPLETE:
448		/*
449		 * Driver must validate login state - If PRLI not complete,
450		 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
451		 * requests.
452		 */
453		rval = qla2x00_get_port_database(vha, fcport, 0);
454		if (rval == QLA_NOT_LOGGED_IN) {
455			fcport->flags &= ~FCF_ASYNC_SENT;
456			fcport->flags |= FCF_LOGIN_NEEDED;
457			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
458			break;
459		}
460
461		if (rval != QLA_SUCCESS) {
462			qla2x00_post_async_logout_work(vha, fcport, NULL);
463			qla2x00_post_async_login_work(vha, fcport, NULL);
464			break;
465		}
466		if (fcport->flags & FCF_FCP2_DEVICE) {
467			qla2x00_post_async_adisc_work(vha, fcport, data);
468			break;
469		}
470		qla2x00_update_fcport(vha, fcport);
471		break;
472	case MBS_COMMAND_ERROR:
473		fcport->flags &= ~FCF_ASYNC_SENT;
474		if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
475			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
476		else
477			qla2x00_mark_device_lost(vha, fcport, 1, 0);
478		break;
479	case MBS_PORT_ID_USED:
480		fcport->loop_id = data[1];
481		qla2x00_post_async_logout_work(vha, fcport, NULL);
482		qla2x00_post_async_login_work(vha, fcport, NULL);
483		break;
484	case MBS_LOOP_ID_USED:
485		fcport->loop_id++;
486		rval = qla2x00_find_new_loop_id(vha, fcport);
487		if (rval != QLA_SUCCESS) {
488			fcport->flags &= ~FCF_ASYNC_SENT;
489			qla2x00_mark_device_lost(vha, fcport, 1, 0);
490			break;
491		}
492		qla2x00_post_async_login_work(vha, fcport, NULL);
493		break;
494	}
495	return;
496}
497
498void
499qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
500    uint16_t *data)
501{
502	/* Don't re-login in target mode */
503	if (!fcport->tgt_session)
504		qla2x00_mark_device_lost(vha, fcport, 1, 0);
505	qlt_logo_completion_handler(fcport, data[0]);
506	return;
507}
508
509void
510qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
511    uint16_t *data)
512{
513	if (data[0] == MBS_COMMAND_COMPLETE) {
514		qla2x00_update_fcport(vha, fcport);
515
516		return;
517	}
518
519	/* Retry login. */
520	fcport->flags &= ~FCF_ASYNC_SENT;
521	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
522		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
523	else
524		qla2x00_mark_device_lost(vha, fcport, 1, 0);
525
526	return;
527}
528
529/****************************************************************************/
530/*                QLogic ISP2x00 Hardware Support Functions.                */
531/****************************************************************************/
532
533static int
534qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
535{
536	int rval = QLA_SUCCESS;
537	struct qla_hw_data *ha = vha->hw;
538	uint32_t idc_major_ver, idc_minor_ver;
539	uint16_t config[4];
540
541	qla83xx_idc_lock(vha, 0);
542
543	/* SV: TODO: Assign initialization timeout from
544	 * flash-info / other param
545	 */
546	ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
547	ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
548
549	/* Set our fcoe function presence */
550	if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
551		ql_dbg(ql_dbg_p3p, vha, 0xb077,
552		    "Error while setting DRV-Presence.\n");
553		rval = QLA_FUNCTION_FAILED;
554		goto exit;
555	}
556
557	/* Decide the reset ownership */
558	qla83xx_reset_ownership(vha);
559
560	/*
561	 * On first protocol driver load:
562	 * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
563	 * register.
564	 * Others: Check compatibility with current IDC Major version.
565	 */
566	qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
567	if (ha->flags.nic_core_reset_owner) {
568		/* Set IDC Major version */
569		idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
570		qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
571
572		/* Clearing IDC-Lock-Recovery register */
573		qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
574	} else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
575		/*
576		 * Clear further IDC participation if we are not compatible with
577		 * the current IDC Major Version.
578		 */
579		ql_log(ql_log_warn, vha, 0xb07d,
580		    "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
581		    idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
582		__qla83xx_clear_drv_presence(vha);
583		rval = QLA_FUNCTION_FAILED;
584		goto exit;
585	}
586	/* Each function sets its supported Minor version. */
587	qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
588	idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
589	qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
590
591	if (ha->flags.nic_core_reset_owner) {
592		memset(config, 0, sizeof(config));
593		if (!qla81xx_get_port_config(vha, config))
594			qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
595			    QLA8XXX_DEV_READY);
596	}
597
598	rval = qla83xx_idc_state_handler(vha);
599
600exit:
601	qla83xx_idc_unlock(vha, 0);
602
603	return rval;
604}
605
606/*
607* qla2x00_initialize_adapter
608*      Initialize board.
609*
610* Input:
611*      ha = adapter block pointer.
612*
613* Returns:
614*      0 = success
615*/
616int
617qla2x00_initialize_adapter(scsi_qla_host_t *vha)
618{
619	int	rval;
620	struct qla_hw_data *ha = vha->hw;
621	struct req_que *req = ha->req_q_map[0];
622
623	/* Clear adapter flags. */
624	vha->flags.online = 0;
625	ha->flags.chip_reset_done = 0;
626	vha->flags.reset_active = 0;
627	ha->flags.pci_channel_io_perm_failure = 0;
628	ha->flags.eeh_busy = 0;
629	vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
630	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
631	atomic_set(&vha->loop_state, LOOP_DOWN);
632	vha->device_flags = DFLG_NO_CABLE;
633	vha->dpc_flags = 0;
634	vha->flags.management_server_logged_in = 0;
635	vha->marker_needed = 0;
636	ha->isp_abort_cnt = 0;
637	ha->beacon_blink_led = 0;
638
639	set_bit(0, ha->req_qid_map);
640	set_bit(0, ha->rsp_qid_map);
641
642	ql_dbg(ql_dbg_init, vha, 0x0040,
643	    "Configuring PCI space...\n");
644	rval = ha->isp_ops->pci_config(vha);
645	if (rval) {
646		ql_log(ql_log_warn, vha, 0x0044,
647		    "Unable to configure PCI space.\n");
648		return (rval);
649	}
650
651	ha->isp_ops->reset_chip(vha);
652
653	rval = qla2xxx_get_flash_info(vha);
654	if (rval) {
655		ql_log(ql_log_fatal, vha, 0x004f,
656		    "Unable to validate FLASH data.\n");
657		return rval;
658	}
659
660	if (IS_QLA8044(ha)) {
661		qla8044_read_reset_template(vha);
662
663		/* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
664		 * If DONRESET_BIT0 is set, drivers should not set dev_state
665		 * to NEED_RESET. But if NEED_RESET is set, drivers should
666		 * should honor the reset. */
667		if (ql2xdontresethba == 1)
668			qla8044_set_idc_dontreset(vha);
669	}
670
671	ha->isp_ops->get_flash_version(vha, req->ring);
672	ql_dbg(ql_dbg_init, vha, 0x0061,
673	    "Configure NVRAM parameters...\n");
674
675	ha->isp_ops->nvram_config(vha);
676
677	if (ha->flags.disable_serdes) {
678		/* Mask HBA via NVRAM settings? */
679		ql_log(ql_log_info, vha, 0x0077,
680		    "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
681		return QLA_FUNCTION_FAILED;
682	}
683
684	ql_dbg(ql_dbg_init, vha, 0x0078,
685	    "Verifying loaded RISC code...\n");
686
687	if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
688		rval = ha->isp_ops->chip_diag(vha);
689		if (rval)
690			return (rval);
691		rval = qla2x00_setup_chip(vha);
692		if (rval)
693			return (rval);
694	}
695
696	if (IS_QLA84XX(ha)) {
697		ha->cs84xx = qla84xx_get_chip(vha);
698		if (!ha->cs84xx) {
699			ql_log(ql_log_warn, vha, 0x00d0,
700			    "Unable to configure ISP84XX.\n");
701			return QLA_FUNCTION_FAILED;
702		}
703	}
704
705	if (qla_ini_mode_enabled(vha))
706		rval = qla2x00_init_rings(vha);
707
708	ha->flags.chip_reset_done = 1;
709
710	if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
711		/* Issue verify 84xx FW IOCB to complete 84xx initialization */
712		rval = qla84xx_init_chip(vha);
713		if (rval != QLA_SUCCESS) {
714			ql_log(ql_log_warn, vha, 0x00d4,
715			    "Unable to initialize ISP84XX.\n");
716		qla84xx_put_chip(vha);
717		}
718	}
719
720	/* Load the NIC Core f/w if we are the first protocol driver. */
721	if (IS_QLA8031(ha)) {
722		rval = qla83xx_nic_core_fw_load(vha);
723		if (rval)
724			ql_log(ql_log_warn, vha, 0x0124,
725			    "Error in initializing NIC Core f/w.\n");
726	}
727
728	if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
729		qla24xx_read_fcp_prio_cfg(vha);
730
731	if (IS_P3P_TYPE(ha))
732		qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
733	else
734		qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
735
736	return (rval);
737}
738
739/**
740 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
741 * @ha: HA context
742 *
743 * Returns 0 on success.
744 */
745int
746qla2100_pci_config(scsi_qla_host_t *vha)
747{
748	uint16_t w;
749	unsigned long flags;
750	struct qla_hw_data *ha = vha->hw;
751	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
752
753	pci_set_master(ha->pdev);
754	pci_try_set_mwi(ha->pdev);
755
756	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
757	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
758	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
759
760	pci_disable_rom(ha->pdev);
761
762	/* Get PCI bus information. */
763	spin_lock_irqsave(&ha->hardware_lock, flags);
764	ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
765	spin_unlock_irqrestore(&ha->hardware_lock, flags);
766
767	return QLA_SUCCESS;
768}
769
770/**
771 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
772 * @ha: HA context
773 *
774 * Returns 0 on success.
775 */
776int
777qla2300_pci_config(scsi_qla_host_t *vha)
778{
779	uint16_t	w;
780	unsigned long   flags = 0;
781	uint32_t	cnt;
782	struct qla_hw_data *ha = vha->hw;
783	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
784
785	pci_set_master(ha->pdev);
786	pci_try_set_mwi(ha->pdev);
787
788	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
789	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
790
791	if (IS_QLA2322(ha) || IS_QLA6322(ha))
792		w &= ~PCI_COMMAND_INTX_DISABLE;
793	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
794
795	/*
796	 * If this is a 2300 card and not 2312, reset the
797	 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
798	 * the 2310 also reports itself as a 2300 so we need to get the
799	 * fb revision level -- a 6 indicates it really is a 2300 and
800	 * not a 2310.
801	 */
802	if (IS_QLA2300(ha)) {
803		spin_lock_irqsave(&ha->hardware_lock, flags);
804
805		/* Pause RISC. */
806		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
807		for (cnt = 0; cnt < 30000; cnt++) {
808			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
809				break;
810
811			udelay(10);
812		}
813
814		/* Select FPM registers. */
815		WRT_REG_WORD(&reg->ctrl_status, 0x20);
816		RD_REG_WORD(&reg->ctrl_status);
817
818		/* Get the fb rev level */
819		ha->fb_rev = RD_FB_CMD_REG(ha, reg);
820
821		if (ha->fb_rev == FPM_2300)
822			pci_clear_mwi(ha->pdev);
823
824		/* Deselect FPM registers. */
825		WRT_REG_WORD(&reg->ctrl_status, 0x0);
826		RD_REG_WORD(&reg->ctrl_status);
827
828		/* Release RISC module. */
829		WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
830		for (cnt = 0; cnt < 30000; cnt++) {
831			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
832				break;
833
834			udelay(10);
835		}
836
837		spin_unlock_irqrestore(&ha->hardware_lock, flags);
838	}
839
840	pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
841
842	pci_disable_rom(ha->pdev);
843
844	/* Get PCI bus information. */
845	spin_lock_irqsave(&ha->hardware_lock, flags);
846	ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
847	spin_unlock_irqrestore(&ha->hardware_lock, flags);
848
849	return QLA_SUCCESS;
850}
851
852/**
853 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
854 * @ha: HA context
855 *
856 * Returns 0 on success.
857 */
858int
859qla24xx_pci_config(scsi_qla_host_t *vha)
860{
861	uint16_t w;
862	unsigned long flags = 0;
863	struct qla_hw_data *ha = vha->hw;
864	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
865
866	pci_set_master(ha->pdev);
867	pci_try_set_mwi(ha->pdev);
868
869	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
870	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
871	w &= ~PCI_COMMAND_INTX_DISABLE;
872	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
873
874	pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
875
876	/* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
877	if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
878		pcix_set_mmrbc(ha->pdev, 2048);
879
880	/* PCIe -- adjust Maximum Read Request Size (2048). */
881	if (pci_is_pcie(ha->pdev))
882		pcie_set_readrq(ha->pdev, 4096);
883
884	pci_disable_rom(ha->pdev);
885
886	ha->chip_revision = ha->pdev->revision;
887
888	/* Get PCI bus information. */
889	spin_lock_irqsave(&ha->hardware_lock, flags);
890	ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
891	spin_unlock_irqrestore(&ha->hardware_lock, flags);
892
893	return QLA_SUCCESS;
894}
895
896/**
897 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
898 * @ha: HA context
899 *
900 * Returns 0 on success.
901 */
902int
903qla25xx_pci_config(scsi_qla_host_t *vha)
904{
905	uint16_t w;
906	struct qla_hw_data *ha = vha->hw;
907
908	pci_set_master(ha->pdev);
909	pci_try_set_mwi(ha->pdev);
910
911	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
912	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
913	w &= ~PCI_COMMAND_INTX_DISABLE;
914	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
915
916	/* PCIe -- adjust Maximum Read Request Size (2048). */
917	if (pci_is_pcie(ha->pdev))
918		pcie_set_readrq(ha->pdev, 4096);
919
920	pci_disable_rom(ha->pdev);
921
922	ha->chip_revision = ha->pdev->revision;
923
924	return QLA_SUCCESS;
925}
926
927/**
928 * qla2x00_isp_firmware() - Choose firmware image.
929 * @ha: HA context
930 *
931 * Returns 0 on success.
932 */
933static int
934qla2x00_isp_firmware(scsi_qla_host_t *vha)
935{
936	int  rval;
937	uint16_t loop_id, topo, sw_cap;
938	uint8_t domain, area, al_pa;
939	struct qla_hw_data *ha = vha->hw;
940
941	/* Assume loading risc code */
942	rval = QLA_FUNCTION_FAILED;
943
944	if (ha->flags.disable_risc_code_load) {
945		ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
946
947		/* Verify checksum of loaded RISC code. */
948		rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
949		if (rval == QLA_SUCCESS) {
950			/* And, verify we are not in ROM code. */
951			rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
952			    &area, &domain, &topo, &sw_cap);
953		}
954	}
955
956	if (rval)
957		ql_dbg(ql_dbg_init, vha, 0x007a,
958		    "**** Load RISC code ****.\n");
959
960	return (rval);
961}
962
963/**
964 * qla2x00_reset_chip() - Reset ISP chip.
965 * @ha: HA context
966 *
967 * Returns 0 on success.
968 */
969void
970qla2x00_reset_chip(scsi_qla_host_t *vha)
971{
972	unsigned long   flags = 0;
973	struct qla_hw_data *ha = vha->hw;
974	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
975	uint32_t	cnt;
976	uint16_t	cmd;
977
978	if (unlikely(pci_channel_offline(ha->pdev)))
979		return;
980
981	ha->isp_ops->disable_intrs(ha);
982
983	spin_lock_irqsave(&ha->hardware_lock, flags);
984
985	/* Turn off master enable */
986	cmd = 0;
987	pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
988	cmd &= ~PCI_COMMAND_MASTER;
989	pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
990
991	if (!IS_QLA2100(ha)) {
992		/* Pause RISC. */
993		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
994		if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
995			for (cnt = 0; cnt < 30000; cnt++) {
996				if ((RD_REG_WORD(&reg->hccr) &
997				    HCCR_RISC_PAUSE) != 0)
998					break;
999				udelay(100);
1000			}
1001		} else {
1002			RD_REG_WORD(&reg->hccr);	/* PCI Posting. */
1003			udelay(10);
1004		}
1005
1006		/* Select FPM registers. */
1007		WRT_REG_WORD(&reg->ctrl_status, 0x20);
1008		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
1009
1010		/* FPM Soft Reset. */
1011		WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
1012		RD_REG_WORD(&reg->fpm_diag_config);	/* PCI Posting. */
1013
1014		/* Toggle Fpm Reset. */
1015		if (!IS_QLA2200(ha)) {
1016			WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
1017			RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
1018		}
1019
1020		/* Select frame buffer registers. */
1021		WRT_REG_WORD(&reg->ctrl_status, 0x10);
1022		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
1023
1024		/* Reset frame buffer FIFOs. */
1025		if (IS_QLA2200(ha)) {
1026			WRT_FB_CMD_REG(ha, reg, 0xa000);
1027			RD_FB_CMD_REG(ha, reg);		/* PCI Posting. */
1028		} else {
1029			WRT_FB_CMD_REG(ha, reg, 0x00fc);
1030
1031			/* Read back fb_cmd until zero or 3 seconds max */
1032			for (cnt = 0; cnt < 3000; cnt++) {
1033				if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
1034					break;
1035				udelay(100);
1036			}
1037		}
1038
1039		/* Select RISC module registers. */
1040		WRT_REG_WORD(&reg->ctrl_status, 0);
1041		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
1042
1043		/* Reset RISC processor. */
1044		WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1045		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
1046
1047		/* Release RISC processor. */
1048		WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1049		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
1050	}
1051
1052	WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
1053	WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
1054
1055	/* Reset ISP chip. */
1056	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1057
1058	/* Wait for RISC to recover from reset. */
1059	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1060		/*
1061		 * It is necessary to for a delay here since the card doesn't
1062		 * respond to PCI reads during a reset. On some architectures
1063		 * this will result in an MCA.
1064		 */
1065		udelay(20);
1066		for (cnt = 30000; cnt; cnt--) {
1067			if ((RD_REG_WORD(&reg->ctrl_status) &
1068			    CSR_ISP_SOFT_RESET) == 0)
1069				break;
1070			udelay(100);
1071		}
1072	} else
1073		udelay(10);
1074
1075	/* Reset RISC processor. */
1076	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1077
1078	WRT_REG_WORD(&reg->semaphore, 0);
1079
1080	/* Release RISC processor. */
1081	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1082	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
1083
1084	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1085		for (cnt = 0; cnt < 30000; cnt++) {
1086			if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1087				break;
1088
1089			udelay(100);
1090		}
1091	} else
1092		udelay(100);
1093
1094	/* Turn on master enable */
1095	cmd |= PCI_COMMAND_MASTER;
1096	pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
1097
1098	/* Disable RISC pause on FPM parity error. */
1099	if (!IS_QLA2100(ha)) {
1100		WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
1101		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
1102	}
1103
1104	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1105}
1106
1107/**
1108 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
1109 *
1110 * Returns 0 on success.
1111 */
1112static int
1113qla81xx_reset_mpi(scsi_qla_host_t *vha)
1114{
1115	uint16_t mb[4] = {0x1010, 0, 1, 0};
1116
1117	if (!IS_QLA81XX(vha->hw))
1118		return QLA_SUCCESS;
1119
1120	return qla81xx_write_mpi_register(vha, mb);
1121}
1122
1123/**
1124 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
1125 * @ha: HA context
1126 *
1127 * Returns 0 on success.
1128 */
1129static inline int
1130qla24xx_reset_risc(scsi_qla_host_t *vha)
1131{
1132	unsigned long flags = 0;
1133	struct qla_hw_data *ha = vha->hw;
1134	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1135	uint32_t cnt, d2;
1136	uint16_t wd;
1137	static int abts_cnt; /* ISP abort retry counts */
1138	int rval = QLA_SUCCESS;
1139
1140	spin_lock_irqsave(&ha->hardware_lock, flags);
1141
1142	/* Reset RISC. */
1143	WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1144	for (cnt = 0; cnt < 30000; cnt++) {
1145		if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1146			break;
1147
1148		udelay(10);
1149	}
1150
1151	if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
1152		set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
1153
1154	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
1155	    "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
1156	    RD_REG_DWORD(&reg->hccr),
1157	    RD_REG_DWORD(&reg->ctrl_status),
1158	    (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
1159
1160	WRT_REG_DWORD(&reg->ctrl_status,
1161	    CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1162	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1163
1164	udelay(100);
1165
1166	/* Wait for firmware to complete NVRAM accesses. */
1167	d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1168	for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
1169	    rval == QLA_SUCCESS; cnt--) {
1170		barrier();
1171		if (cnt)
1172			udelay(5);
1173		else
1174			rval = QLA_FUNCTION_TIMEOUT;
1175	}
1176
1177	if (rval == QLA_SUCCESS)
1178		set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
1179
1180	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
1181	    "HCCR: 0x%x, MailBox0 Status 0x%x\n",
1182	    RD_REG_DWORD(&reg->hccr),
1183	    RD_REG_DWORD(&reg->mailbox0));
1184
1185	/* Wait for soft-reset to complete. */
1186	d2 = RD_REG_DWORD(&reg->ctrl_status);
1187	for (cnt = 0; cnt < 6000000; cnt++) {
1188		barrier();
1189		if ((RD_REG_DWORD(&reg->ctrl_status) &
1190		    CSRX_ISP_SOFT_RESET) == 0)
1191			break;
1192
1193		udelay(5);
1194	}
1195	if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
1196		set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
1197
1198	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
1199	    "HCCR: 0x%x, Soft Reset status: 0x%x\n",
1200	    RD_REG_DWORD(&reg->hccr),
1201	    RD_REG_DWORD(&reg->ctrl_status));
1202
1203	/* If required, do an MPI FW reset now */
1204	if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1205		if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1206			if (++abts_cnt < 5) {
1207				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1208				set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1209			} else {
1210				/*
1211				 * We exhausted the ISP abort retries. We have to
1212				 * set the board offline.
1213				 */
1214				abts_cnt = 0;
1215				vha->flags.online = 0;
1216			}
1217		}
1218	}
1219
1220	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1221	RD_REG_DWORD(&reg->hccr);
1222
1223	WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1224	RD_REG_DWORD(&reg->hccr);
1225
1226	WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1227	RD_REG_DWORD(&reg->hccr);
1228
1229	d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1230	for (cnt = 6000000; RD_REG_WORD(&reg->mailbox0) != 0 &&
1231	    rval == QLA_SUCCESS; cnt--) {
1232		barrier();
1233		if (cnt)
1234			udelay(5);
1235		else
1236			rval = QLA_FUNCTION_TIMEOUT;
1237	}
1238	if (rval == QLA_SUCCESS)
1239		set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
1240
1241	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
1242	    "Host Risc 0x%x, mailbox0 0x%x\n",
1243	    RD_REG_DWORD(&reg->hccr),
1244	     RD_REG_WORD(&reg->mailbox0));
1245
1246	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1247
1248	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
1249	    "Driver in %s mode\n",
1250	    IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
1251
1252	if (IS_NOPOLLING_TYPE(ha))
1253		ha->isp_ops->enable_intrs(ha);
1254
1255	return rval;
1256}
1257
1258static void
1259qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
1260{
1261	struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1262
1263	WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1264	*data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
1265
1266}
1267
1268static void
1269qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
1270{
1271	struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1272
1273	WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1274	WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
1275}
1276
1277static void
1278qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
1279{
1280	struct qla_hw_data *ha = vha->hw;
1281	uint32_t wd32 = 0;
1282	uint delta_msec = 100;
1283	uint elapsed_msec = 0;
1284	uint timeout_msec;
1285	ulong n;
1286
1287	if (!IS_QLA25XX(ha) && !IS_QLA2031(ha))
1288		return;
1289
1290attempt:
1291	timeout_msec = TIMEOUT_SEMAPHORE;
1292	n = timeout_msec / delta_msec;
1293	while (n--) {
1294		qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
1295		qla25xx_read_risc_sema_reg(vha, &wd32);
1296		if (wd32 & RISC_SEMAPHORE)
1297			break;
1298		msleep(delta_msec);
1299		elapsed_msec += delta_msec;
1300		if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1301			goto force;
1302	}
1303
1304	if (!(wd32 & RISC_SEMAPHORE))
1305		goto force;
1306
1307	if (!(wd32 & RISC_SEMAPHORE_FORCE))
1308		goto acquired;
1309
1310	qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
1311	timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
1312	n = timeout_msec / delta_msec;
1313	while (n--) {
1314		qla25xx_read_risc_sema_reg(vha, &wd32);
1315		if (!(wd32 & RISC_SEMAPHORE_FORCE))
1316			break;
1317		msleep(delta_msec);
1318		elapsed_msec += delta_msec;
1319		if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1320			goto force;
1321	}
1322
1323	if (wd32 & RISC_SEMAPHORE_FORCE)
1324		qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
1325
1326	goto attempt;
1327
1328force:
1329	qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
1330
1331acquired:
1332	return;
1333}
1334
1335/**
1336 * qla24xx_reset_chip() - Reset ISP24xx chip.
1337 * @ha: HA context
1338 *
1339 * Returns 0 on success.
1340 */
1341void
1342qla24xx_reset_chip(scsi_qla_host_t *vha)
1343{
1344	struct qla_hw_data *ha = vha->hw;
1345
1346	if (pci_channel_offline(ha->pdev) &&
1347	    ha->flags.pci_channel_io_perm_failure) {
1348		return;
1349	}
1350
1351	ha->isp_ops->disable_intrs(ha);
1352
1353	qla25xx_manipulate_risc_semaphore(vha);
1354
1355	/* Perform RISC reset. */
1356	qla24xx_reset_risc(vha);
1357}
1358
1359/**
1360 * qla2x00_chip_diag() - Test chip for proper operation.
1361 * @ha: HA context
1362 *
1363 * Returns 0 on success.
1364 */
1365int
1366qla2x00_chip_diag(scsi_qla_host_t *vha)
1367{
1368	int		rval;
1369	struct qla_hw_data *ha = vha->hw;
1370	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1371	unsigned long	flags = 0;
1372	uint16_t	data;
1373	uint32_t	cnt;
1374	uint16_t	mb[5];
1375	struct req_que *req = ha->req_q_map[0];
1376
1377	/* Assume a failed state */
1378	rval = QLA_FUNCTION_FAILED;
1379
1380	ql_dbg(ql_dbg_init, vha, 0x007b,
1381	    "Testing device at %lx.\n", (u_long)&reg->flash_address);
1382
1383	spin_lock_irqsave(&ha->hardware_lock, flags);
1384
1385	/* Reset ISP chip. */
1386	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1387
1388	/*
1389	 * We need to have a delay here since the card will not respond while
1390	 * in reset causing an MCA on some architectures.
1391	 */
1392	udelay(20);
1393	data = qla2x00_debounce_register(&reg->ctrl_status);
1394	for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1395		udelay(5);
1396		data = RD_REG_WORD(&reg->ctrl_status);
1397		barrier();
1398	}
1399
1400	if (!cnt)
1401		goto chip_diag_failed;
1402
1403	ql_dbg(ql_dbg_init, vha, 0x007c,
1404	    "Reset register cleared by chip reset.\n");
1405
1406	/* Reset RISC processor. */
1407	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1408	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1409
1410	/* Workaround for QLA2312 PCI parity error */
1411	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1412		data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1413		for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1414			udelay(5);
1415			data = RD_MAILBOX_REG(ha, reg, 0);
1416			barrier();
1417		}
1418	} else
1419		udelay(10);
1420
1421	if (!cnt)
1422		goto chip_diag_failed;
1423
1424	/* Check product ID of chip */
1425	ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1426
1427	mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1428	mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1429	mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1430	mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1431	if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1432	    mb[3] != PROD_ID_3) {
1433		ql_log(ql_log_warn, vha, 0x0062,
1434		    "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1435		    mb[1], mb[2], mb[3]);
1436
1437		goto chip_diag_failed;
1438	}
1439	ha->product_id[0] = mb[1];
1440	ha->product_id[1] = mb[2];
1441	ha->product_id[2] = mb[3];
1442	ha->product_id[3] = mb[4];
1443
1444	/* Adjust fw RISC transfer size */
1445	if (req->length > 1024)
1446		ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1447	else
1448		ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1449		    req->length;
1450
1451	if (IS_QLA2200(ha) &&
1452	    RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1453		/* Limit firmware transfer size with a 2200A */
1454		ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1455
1456		ha->device_type |= DT_ISP2200A;
1457		ha->fw_transfer_size = 128;
1458	}
1459
1460	/* Wrap Incoming Mailboxes Test. */
1461	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1462
1463	ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1464	rval = qla2x00_mbx_reg_test(vha);
1465	if (rval)
1466		ql_log(ql_log_warn, vha, 0x0080,
1467		    "Failed mailbox send register test.\n");
1468	else
1469		/* Flag a successful rval */
1470		rval = QLA_SUCCESS;
1471	spin_lock_irqsave(&ha->hardware_lock, flags);
1472
1473chip_diag_failed:
1474	if (rval)
1475		ql_log(ql_log_info, vha, 0x0081,
1476		    "Chip diagnostics **** FAILED ****.\n");
1477
1478	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1479
1480	return (rval);
1481}
1482
1483/**
1484 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1485 * @ha: HA context
1486 *
1487 * Returns 0 on success.
1488 */
1489int
1490qla24xx_chip_diag(scsi_qla_host_t *vha)
1491{
1492	int rval;
1493	struct qla_hw_data *ha = vha->hw;
1494	struct req_que *req = ha->req_q_map[0];
1495
1496	if (IS_P3P_TYPE(ha))
1497		return QLA_SUCCESS;
1498
1499	ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1500
1501	rval = qla2x00_mbx_reg_test(vha);
1502	if (rval) {
1503		ql_log(ql_log_warn, vha, 0x0082,
1504		    "Failed mailbox send register test.\n");
1505	} else {
1506		/* Flag a successful rval */
1507		rval = QLA_SUCCESS;
1508	}
1509
1510	return rval;
1511}
1512
1513void
1514qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1515{
1516	int rval;
1517	uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1518	    eft_size, fce_size, mq_size;
1519	dma_addr_t tc_dma;
1520	void *tc;
1521	struct qla_hw_data *ha = vha->hw;
1522	struct req_que *req = ha->req_q_map[0];
1523	struct rsp_que *rsp = ha->rsp_q_map[0];
1524
1525	if (ha->fw_dump) {
1526		ql_dbg(ql_dbg_init, vha, 0x00bd,
1527		    "Firmware dump already allocated.\n");
1528		return;
1529	}
1530
1531	ha->fw_dumped = 0;
1532	ha->fw_dump_cap_flags = 0;
1533	dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1534	req_q_size = rsp_q_size = 0;
1535
1536	if (IS_QLA27XX(ha))
1537		goto try_fce;
1538
1539	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1540		fixed_size = sizeof(struct qla2100_fw_dump);
1541	} else if (IS_QLA23XX(ha)) {
1542		fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1543		mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1544		    sizeof(uint16_t);
1545	} else if (IS_FWI2_CAPABLE(ha)) {
1546		if (IS_QLA83XX(ha))
1547			fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1548		else if (IS_QLA81XX(ha))
1549			fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1550		else if (IS_QLA25XX(ha))
1551			fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1552		else
1553			fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1554
1555		mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1556		    sizeof(uint32_t);
1557		if (ha->mqenable) {
1558			if (!IS_QLA83XX(ha))
1559				mq_size = sizeof(struct qla2xxx_mq_chain);
1560			/*
1561			 * Allocate maximum buffer size for all queues.
1562			 * Resizing must be done at end-of-dump processing.
1563			 */
1564			mq_size += ha->max_req_queues *
1565			    (req->length * sizeof(request_t));
1566			mq_size += ha->max_rsp_queues *
1567			    (rsp->length * sizeof(response_t));
1568		}
1569		if (ha->tgt.atio_ring)
1570			mq_size += ha->tgt.atio_q_length * sizeof(request_t);
1571		/* Allocate memory for Fibre Channel Event Buffer. */
1572		if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1573		    !IS_QLA27XX(ha))
1574			goto try_eft;
1575
1576try_fce:
1577		if (ha->fce)
1578			dma_free_coherent(&ha->pdev->dev,
1579			    FCE_SIZE, ha->fce, ha->fce_dma);
1580
1581		/* Allocate memory for Fibre Channel Event Buffer. */
1582		tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1583					 GFP_KERNEL);
1584		if (!tc) {
1585			ql_log(ql_log_warn, vha, 0x00be,
1586			    "Unable to allocate (%d KB) for FCE.\n",
1587			    FCE_SIZE / 1024);
1588			goto try_eft;
1589		}
1590
1591		rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1592		    ha->fce_mb, &ha->fce_bufs);
1593		if (rval) {
1594			ql_log(ql_log_warn, vha, 0x00bf,
1595			    "Unable to initialize FCE (%d).\n", rval);
1596			dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1597			    tc_dma);
1598			ha->flags.fce_enabled = 0;
1599			goto try_eft;
1600		}
1601		ql_dbg(ql_dbg_init, vha, 0x00c0,
1602		    "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1603
1604		fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1605		ha->flags.fce_enabled = 1;
1606		ha->fce_dma = tc_dma;
1607		ha->fce = tc;
1608
1609try_eft:
1610		if (ha->eft)
1611			dma_free_coherent(&ha->pdev->dev,
1612			    EFT_SIZE, ha->eft, ha->eft_dma);
1613
1614		/* Allocate memory for Extended Trace Buffer. */
1615		tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1616					 GFP_KERNEL);
1617		if (!tc) {
1618			ql_log(ql_log_warn, vha, 0x00c1,
1619			    "Unable to allocate (%d KB) for EFT.\n",
1620			    EFT_SIZE / 1024);
1621			goto cont_alloc;
1622		}
1623
1624		rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1625		if (rval) {
1626			ql_log(ql_log_warn, vha, 0x00c2,
1627			    "Unable to initialize EFT (%d).\n", rval);
1628			dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1629			    tc_dma);
1630			goto cont_alloc;
1631		}
1632		ql_dbg(ql_dbg_init, vha, 0x00c3,
1633		    "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1634
1635		eft_size = EFT_SIZE;
1636		ha->eft_dma = tc_dma;
1637		ha->eft = tc;
1638	}
1639
1640cont_alloc:
1641	if (IS_QLA27XX(ha)) {
1642		if (!ha->fw_dump_template) {
1643			ql_log(ql_log_warn, vha, 0x00ba,
1644			    "Failed missing fwdump template\n");
1645			return;
1646		}
1647		dump_size = qla27xx_fwdt_calculate_dump_size(vha);
1648		ql_dbg(ql_dbg_init, vha, 0x00fa,
1649		    "-> allocating fwdump (%x bytes)...\n", dump_size);
1650		goto allocate;
1651	}
1652
1653	req_q_size = req->length * sizeof(request_t);
1654	rsp_q_size = rsp->length * sizeof(response_t);
1655	dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1656	dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1657	ha->chain_offset = dump_size;
1658	dump_size += mq_size + fce_size;
1659
1660allocate:
1661	ha->fw_dump = vmalloc(dump_size);
1662	if (!ha->fw_dump) {
1663		ql_log(ql_log_warn, vha, 0x00c4,
1664		    "Unable to allocate (%d KB) for firmware dump.\n",
1665		    dump_size / 1024);
1666
1667		if (ha->fce) {
1668			dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1669			    ha->fce_dma);
1670			ha->fce = NULL;
1671			ha->fce_dma = 0;
1672		}
1673
1674		if (ha->eft) {
1675			dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1676			    ha->eft_dma);
1677			ha->eft = NULL;
1678			ha->eft_dma = 0;
1679		}
1680		return;
1681	}
1682	ha->fw_dump_len = dump_size;
1683	ql_dbg(ql_dbg_init, vha, 0x00c5,
1684	    "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1685
1686	if (IS_QLA27XX(ha))
1687		return;
1688
1689	ha->fw_dump->signature[0] = 'Q';
1690	ha->fw_dump->signature[1] = 'L';
1691	ha->fw_dump->signature[2] = 'G';
1692	ha->fw_dump->signature[3] = 'C';
1693	ha->fw_dump->version = __constant_htonl(1);
1694
1695	ha->fw_dump->fixed_size = htonl(fixed_size);
1696	ha->fw_dump->mem_size = htonl(mem_size);
1697	ha->fw_dump->req_q_size = htonl(req_q_size);
1698	ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1699
1700	ha->fw_dump->eft_size = htonl(eft_size);
1701	ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1702	ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1703
1704	ha->fw_dump->header_size =
1705	    htonl(offsetof(struct qla2xxx_fw_dump, isp));
1706}
1707
1708static int
1709qla81xx_mpi_sync(scsi_qla_host_t *vha)
1710{
1711#define MPS_MASK	0xe0
1712	int rval;
1713	uint16_t dc;
1714	uint32_t dw;
1715
1716	if (!IS_QLA81XX(vha->hw))
1717		return QLA_SUCCESS;
1718
1719	rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1720	if (rval != QLA_SUCCESS) {
1721		ql_log(ql_log_warn, vha, 0x0105,
1722		    "Unable to acquire semaphore.\n");
1723		goto done;
1724	}
1725
1726	pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1727	rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1728	if (rval != QLA_SUCCESS) {
1729		ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1730		goto done_release;
1731	}
1732
1733	dc &= MPS_MASK;
1734	if (dc == (dw & MPS_MASK))
1735		goto done_release;
1736
1737	dw &= ~MPS_MASK;
1738	dw |= dc;
1739	rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1740	if (rval != QLA_SUCCESS) {
1741		ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1742	}
1743
1744done_release:
1745	rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1746	if (rval != QLA_SUCCESS) {
1747		ql_log(ql_log_warn, vha, 0x006d,
1748		    "Unable to release semaphore.\n");
1749	}
1750
1751done:
1752	return rval;
1753}
1754
1755int
1756qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
1757{
1758	/* Don't try to reallocate the array */
1759	if (req->outstanding_cmds)
1760		return QLA_SUCCESS;
1761
1762	if (!IS_FWI2_CAPABLE(ha) || (ha->mqiobase &&
1763	    (ql2xmultique_tag || ql2xmaxqueues > 1)))
1764		req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
1765	else {
1766		if (ha->fw_xcb_count <= ha->fw_iocb_count)
1767			req->num_outstanding_cmds = ha->fw_xcb_count;
1768		else
1769			req->num_outstanding_cmds = ha->fw_iocb_count;
1770	}
1771
1772	req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1773	    req->num_outstanding_cmds, GFP_KERNEL);
1774
1775	if (!req->outstanding_cmds) {
1776		/*
1777		 * Try to allocate a minimal size just so we can get through
1778		 * initialization.
1779		 */
1780		req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
1781		req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1782		    req->num_outstanding_cmds, GFP_KERNEL);
1783
1784		if (!req->outstanding_cmds) {
1785			ql_log(ql_log_fatal, NULL, 0x0126,
1786			    "Failed to allocate memory for "
1787			    "outstanding_cmds for req_que %p.\n", req);
1788			req->num_outstanding_cmds = 0;
1789			return QLA_FUNCTION_FAILED;
1790		}
1791	}
1792
1793	return QLA_SUCCESS;
1794}
1795
1796/**
1797 * qla2x00_setup_chip() - Load and start RISC firmware.
1798 * @ha: HA context
1799 *
1800 * Returns 0 on success.
1801 */
1802static int
1803qla2x00_setup_chip(scsi_qla_host_t *vha)
1804{
1805	int rval;
1806	uint32_t srisc_address = 0;
1807	struct qla_hw_data *ha = vha->hw;
1808	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1809	unsigned long flags;
1810	uint16_t fw_major_version;
1811
1812	if (IS_P3P_TYPE(ha)) {
1813		rval = ha->isp_ops->load_risc(vha, &srisc_address);
1814		if (rval == QLA_SUCCESS) {
1815			qla2x00_stop_firmware(vha);
1816			goto enable_82xx_npiv;
1817		} else
1818			goto failed;
1819	}
1820
1821	if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1822		/* Disable SRAM, Instruction RAM and GP RAM parity.  */
1823		spin_lock_irqsave(&ha->hardware_lock, flags);
1824		WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1825		RD_REG_WORD(&reg->hccr);
1826		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1827	}
1828
1829	qla81xx_mpi_sync(vha);
1830
1831	/* Load firmware sequences */
1832	rval = ha->isp_ops->load_risc(vha, &srisc_address);
1833	if (rval == QLA_SUCCESS) {
1834		ql_dbg(ql_dbg_init, vha, 0x00c9,
1835		    "Verifying Checksum of loaded RISC code.\n");
1836
1837		rval = qla2x00_verify_checksum(vha, srisc_address);
1838		if (rval == QLA_SUCCESS) {
1839			/* Start firmware execution. */
1840			ql_dbg(ql_dbg_init, vha, 0x00ca,
1841			    "Starting firmware.\n");
1842
1843			rval = qla2x00_execute_fw(vha, srisc_address);
1844			/* Retrieve firmware information. */
1845			if (rval == QLA_SUCCESS) {
1846enable_82xx_npiv:
1847				fw_major_version = ha->fw_major_version;
1848				if (IS_P3P_TYPE(ha))
1849					qla82xx_check_md_needed(vha);
1850				else
1851					rval = qla2x00_get_fw_version(vha);
1852				if (rval != QLA_SUCCESS)
1853					goto failed;
1854				ha->flags.npiv_supported = 0;
1855				if (IS_QLA2XXX_MIDTYPE(ha) &&
1856					 (ha->fw_attributes & BIT_2)) {
1857					ha->flags.npiv_supported = 1;
1858					if ((!ha->max_npiv_vports) ||
1859					    ((ha->max_npiv_vports + 1) %
1860					    MIN_MULTI_ID_FABRIC))
1861						ha->max_npiv_vports =
1862						    MIN_MULTI_ID_FABRIC - 1;
1863				}
1864				qla2x00_get_resource_cnts(vha, NULL,
1865				    &ha->fw_xcb_count, NULL, &ha->fw_iocb_count,
1866				    &ha->max_npiv_vports, NULL);
1867
1868				/*
1869				 * Allocate the array of outstanding commands
1870				 * now that we know the firmware resources.
1871				 */
1872				rval = qla2x00_alloc_outstanding_cmds(ha,
1873				    vha->req);
1874				if (rval != QLA_SUCCESS)
1875					goto failed;
1876
1877				if (!fw_major_version && ql2xallocfwdump
1878				    && !(IS_P3P_TYPE(ha)))
1879					qla2x00_alloc_fw_dump(vha);
1880			} else {
1881				goto failed;
1882			}
1883		} else {
1884			ql_log(ql_log_fatal, vha, 0x00cd,
1885			    "ISP Firmware failed checksum.\n");
1886			goto failed;
1887		}
1888	} else
1889		goto failed;
1890
1891	if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1892		/* Enable proper parity. */
1893		spin_lock_irqsave(&ha->hardware_lock, flags);
1894		if (IS_QLA2300(ha))
1895			/* SRAM parity */
1896			WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1897		else
1898			/* SRAM, Instruction RAM and GP RAM parity */
1899			WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1900		RD_REG_WORD(&reg->hccr);
1901		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1902	}
1903
1904	if (IS_QLA27XX(ha))
1905		ha->flags.fac_supported = 1;
1906	else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1907		uint32_t size;
1908
1909		rval = qla81xx_fac_get_sector_size(vha, &size);
1910		if (rval == QLA_SUCCESS) {
1911			ha->flags.fac_supported = 1;
1912			ha->fdt_block_size = size << 2;
1913		} else {
1914			ql_log(ql_log_warn, vha, 0x00ce,
1915			    "Unsupported FAC firmware (%d.%02d.%02d).\n",
1916			    ha->fw_major_version, ha->fw_minor_version,
1917			    ha->fw_subminor_version);
1918
1919			if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
1920				ha->flags.fac_supported = 0;
1921				rval = QLA_SUCCESS;
1922			}
1923		}
1924	}
1925failed:
1926	if (rval) {
1927		ql_log(ql_log_fatal, vha, 0x00cf,
1928		    "Setup chip ****FAILED****.\n");
1929	}
1930
1931	return (rval);
1932}
1933
1934/**
1935 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1936 * @ha: HA context
1937 *
1938 * Beginning of request ring has initialization control block already built
1939 * by nvram config routine.
1940 *
1941 * Returns 0 on success.
1942 */
1943void
1944qla2x00_init_response_q_entries(struct rsp_que *rsp)
1945{
1946	uint16_t cnt;
1947	response_t *pkt;
1948
1949	rsp->ring_ptr = rsp->ring;
1950	rsp->ring_index    = 0;
1951	rsp->status_srb = NULL;
1952	pkt = rsp->ring_ptr;
1953	for (cnt = 0; cnt < rsp->length; cnt++) {
1954		pkt->signature = RESPONSE_PROCESSED;
1955		pkt++;
1956	}
1957}
1958
1959/**
1960 * qla2x00_update_fw_options() - Read and process firmware options.
1961 * @ha: HA context
1962 *
1963 * Returns 0 on success.
1964 */
1965void
1966qla2x00_update_fw_options(scsi_qla_host_t *vha)
1967{
1968	uint16_t swing, emphasis, tx_sens, rx_sens;
1969	struct qla_hw_data *ha = vha->hw;
1970
1971	memset(ha->fw_options, 0, sizeof(ha->fw_options));
1972	qla2x00_get_fw_options(vha, ha->fw_options);
1973
1974	if (IS_QLA2100(ha) || IS_QLA2200(ha))
1975		return;
1976
1977	/* Serial Link options. */
1978	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1979	    "Serial link options.\n");
1980	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1981	    (uint8_t *)&ha->fw_seriallink_options,
1982	    sizeof(ha->fw_seriallink_options));
1983
1984	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1985	if (ha->fw_seriallink_options[3] & BIT_2) {
1986		ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1987
1988		/*  1G settings */
1989		swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1990		emphasis = (ha->fw_seriallink_options[2] &
1991		    (BIT_4 | BIT_3)) >> 3;
1992		tx_sens = ha->fw_seriallink_options[0] &
1993		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1994		rx_sens = (ha->fw_seriallink_options[0] &
1995		    (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1996		ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1997		if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1998			if (rx_sens == 0x0)
1999				rx_sens = 0x3;
2000			ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
2001		} else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2002			ha->fw_options[10] |= BIT_5 |
2003			    ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2004			    (tx_sens & (BIT_1 | BIT_0));
2005
2006		/*  2G settings */
2007		swing = (ha->fw_seriallink_options[2] &
2008		    (BIT_7 | BIT_6 | BIT_5)) >> 5;
2009		emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
2010		tx_sens = ha->fw_seriallink_options[1] &
2011		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2012		rx_sens = (ha->fw_seriallink_options[1] &
2013		    (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
2014		ha->fw_options[11] = (emphasis << 14) | (swing << 8);
2015		if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2016			if (rx_sens == 0x0)
2017				rx_sens = 0x3;
2018			ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
2019		} else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2020			ha->fw_options[11] |= BIT_5 |
2021			    ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2022			    (tx_sens & (BIT_1 | BIT_0));
2023	}
2024
2025	/* FCP2 options. */
2026	/*  Return command IOCBs without waiting for an ABTS to complete. */
2027	ha->fw_options[3] |= BIT_13;
2028
2029	/* LED scheme. */
2030	if (ha->flags.enable_led_scheme)
2031		ha->fw_options[2] |= BIT_12;
2032
2033	/* Detect ISP6312. */
2034	if (IS_QLA6312(ha))
2035		ha->fw_options[2] |= BIT_13;
2036
2037	/* Update firmware options. */
2038	qla2x00_set_fw_options(vha, ha->fw_options);
2039}
2040
2041void
2042qla24xx_update_fw_options(scsi_qla_host_t *vha)
2043{
2044	int rval;
2045	struct qla_hw_data *ha = vha->hw;
2046
2047	if (IS_P3P_TYPE(ha))
2048		return;
2049
2050	/* Update Serial Link options. */
2051	if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
2052		return;
2053
2054	rval = qla2x00_set_serdes_params(vha,
2055	    le16_to_cpu(ha->fw_seriallink_options24[1]),
2056	    le16_to_cpu(ha->fw_seriallink_options24[2]),
2057	    le16_to_cpu(ha->fw_seriallink_options24[3]));
2058	if (rval != QLA_SUCCESS) {
2059		ql_log(ql_log_warn, vha, 0x0104,
2060		    "Unable to update Serial Link options (%x).\n", rval);
2061	}
2062}
2063
2064void
2065qla2x00_config_rings(struct scsi_qla_host *vha)
2066{
2067	struct qla_hw_data *ha = vha->hw;
2068	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2069	struct req_que *req = ha->req_q_map[0];
2070	struct rsp_que *rsp = ha->rsp_q_map[0];
2071
2072	/* Setup ring parameters in initialization control block. */
2073	ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
2074	ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
2075	ha->init_cb->request_q_length = cpu_to_le16(req->length);
2076	ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
2077	ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2078	ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2079	ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2080	ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2081
2082	WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
2083	WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
2084	WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
2085	WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
2086	RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));		/* PCI Posting. */
2087}
2088
2089void
2090qla24xx_config_rings(struct scsi_qla_host *vha)
2091{
2092	struct qla_hw_data *ha = vha->hw;
2093	device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
2094	struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
2095	struct qla_msix_entry *msix;
2096	struct init_cb_24xx *icb;
2097	uint16_t rid = 0;
2098	struct req_que *req = ha->req_q_map[0];
2099	struct rsp_que *rsp = ha->rsp_q_map[0];
2100
2101	/* Setup ring parameters in initialization control block. */
2102	icb = (struct init_cb_24xx *)ha->init_cb;
2103	icb->request_q_outpointer = __constant_cpu_to_le16(0);
2104	icb->response_q_inpointer = __constant_cpu_to_le16(0);
2105	icb->request_q_length = cpu_to_le16(req->length);
2106	icb->response_q_length = cpu_to_le16(rsp->length);
2107	icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2108	icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2109	icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2110	icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2111
2112	/* Setup ATIO queue dma pointers for target mode */
2113	icb->atio_q_inpointer = __constant_cpu_to_le16(0);
2114	icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
2115	icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
2116	icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
2117
2118	if (IS_SHADOW_REG_CAPABLE(ha))
2119		icb->firmware_options_2 |=
2120		    __constant_cpu_to_le32(BIT_30|BIT_29);
2121
2122	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2123		icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
2124		icb->rid = __constant_cpu_to_le16(rid);
2125		if (ha->flags.msix_enabled) {
2126			msix = &ha->msix_entries[1];
2127			ql_dbg(ql_dbg_init, vha, 0x00fd,
2128			    "Registering vector 0x%x for base que.\n",
2129			    msix->entry);
2130			icb->msix = cpu_to_le16(msix->entry);
2131		}
2132		/* Use alternate PCI bus number */
2133		if (MSB(rid))
2134			icb->firmware_options_2 |=
2135				__constant_cpu_to_le32(BIT_19);
2136		/* Use alternate PCI devfn */
2137		if (LSB(rid))
2138			icb->firmware_options_2 |=
2139				__constant_cpu_to_le32(BIT_18);
2140
2141		/* Use Disable MSIX Handshake mode for capable adapters */
2142		if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
2143		    (ha->flags.msix_enabled)) {
2144			icb->firmware_options_2 &=
2145				__constant_cpu_to_le32(~BIT_22);
2146			ha->flags.disable_msix_handshake = 1;
2147			ql_dbg(ql_dbg_init, vha, 0x00fe,
2148			    "MSIX Handshake Disable Mode turned on.\n");
2149		} else {
2150			icb->firmware_options_2 |=
2151				__constant_cpu_to_le32(BIT_22);
2152		}
2153		icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
2154
2155		WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
2156		WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
2157		WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
2158		WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
2159	} else {
2160		WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
2161		WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
2162		WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
2163		WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
2164	}
2165	qlt_24xx_config_rings(vha);
2166
2167	/* PCI posting */
2168	RD_REG_DWORD(&ioreg->hccr);
2169}
2170
2171/**
2172 * qla2x00_init_rings() - Initializes firmware.
2173 * @ha: HA context
2174 *
2175 * Beginning of request ring has initialization control block already built
2176 * by nvram config routine.
2177 *
2178 * Returns 0 on success.
2179 */
2180int
2181qla2x00_init_rings(scsi_qla_host_t *vha)
2182{
2183	int	rval;
2184	unsigned long flags = 0;
2185	int cnt, que;
2186	struct qla_hw_data *ha = vha->hw;
2187	struct req_que *req;
2188	struct rsp_que *rsp;
2189	struct mid_init_cb_24xx *mid_init_cb =
2190	    (struct mid_init_cb_24xx *) ha->init_cb;
2191
2192	spin_lock_irqsave(&ha->hardware_lock, flags);
2193
2194	/* Clear outstanding commands array. */
2195	for (que = 0; que < ha->max_req_queues; que++) {
2196		req = ha->req_q_map[que];
2197		if (!req || !test_bit(que, ha->req_qid_map))
2198			continue;
2199		req->out_ptr = (void *)(req->ring + req->length);
2200		*req->out_ptr = 0;
2201		for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2202			req->outstanding_cmds[cnt] = NULL;
2203
2204		req->current_outstanding_cmd = 1;
2205
2206		/* Initialize firmware. */
2207		req->ring_ptr  = req->ring;
2208		req->ring_index    = 0;
2209		req->cnt      = req->length;
2210	}
2211
2212	for (que = 0; que < ha->max_rsp_queues; que++) {
2213		rsp = ha->rsp_q_map[que];
2214		if (!rsp || !test_bit(que, ha->rsp_qid_map))
2215			continue;
2216		rsp->in_ptr = (void *)(rsp->ring + rsp->length);
2217		*rsp->in_ptr = 0;
2218		/* Initialize response queue entries */
2219		if (IS_QLAFX00(ha))
2220			qlafx00_init_response_q_entries(rsp);
2221		else
2222			qla2x00_init_response_q_entries(rsp);
2223	}
2224
2225	ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2226	ha->tgt.atio_ring_index = 0;
2227	/* Initialize ATIO queue entries */
2228	qlt_init_atio_q_entries(vha);
2229
2230	ha->isp_ops->config_rings(vha);
2231
2232	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2233
2234	ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2235
2236	if (IS_QLAFX00(ha)) {
2237		rval = qlafx00_init_firmware(vha, ha->init_cb_size);
2238		goto next_check;
2239	}
2240
2241	/* Update any ISP specific firmware options before initialization. */
2242	ha->isp_ops->update_fw_options(vha);
2243
2244	if (ha->flags.npiv_supported) {
2245		if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2246			ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2247		mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2248	}
2249
2250	if (IS_FWI2_CAPABLE(ha)) {
2251		mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2252		mid_init_cb->init_cb.execution_throttle =
2253		    cpu_to_le16(ha->fw_xcb_count);
2254		/* D-Port Status */
2255		if (IS_DPORT_CAPABLE(ha))
2256			mid_init_cb->init_cb.firmware_options_1 |=
2257			    cpu_to_le16(BIT_7);
2258		/* Enable FA-WWPN */
2259		ha->flags.fawwpn_enabled =
2260		    (mid_init_cb->init_cb.firmware_options_1 & BIT_6) ? 1 : 0;
2261		ql_dbg(ql_dbg_init, vha, 0x0141, "FA-WWPN Support: %s.\n",
2262		    (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
2263	}
2264
2265	rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2266next_check:
2267	if (rval) {
2268		ql_log(ql_log_fatal, vha, 0x00d2,
2269		    "Init Firmware **** FAILED ****.\n");
2270	} else {
2271		ql_dbg(ql_dbg_init, vha, 0x00d3,
2272		    "Init Firmware -- success.\n");
2273	}
2274
2275	return (rval);
2276}
2277
2278/**
2279 * qla2x00_fw_ready() - Waits for firmware ready.
2280 * @ha: HA context
2281 *
2282 * Returns 0 on success.
2283 */
2284static int
2285qla2x00_fw_ready(scsi_qla_host_t *vha)
2286{
2287	int		rval;
2288	unsigned long	wtime, mtime, cs84xx_time;
2289	uint16_t	min_wait;	/* Minimum wait time if loop is down */
2290	uint16_t	wait_time;	/* Wait time if loop is coming ready */
2291	uint16_t	state[6];
2292	struct qla_hw_data *ha = vha->hw;
2293
2294	if (IS_QLAFX00(vha->hw))
2295		return qlafx00_fw_ready(vha);
2296
2297	rval = QLA_SUCCESS;
2298
2299	/* Time to wait for loop down */
2300	if (IS_P3P_TYPE(ha))
2301		min_wait = 30;
2302	else
2303		min_wait = 20;
2304
2305	/*
2306	 * Firmware should take at most one RATOV to login, plus 5 seconds for
2307	 * our own processing.
2308	 */
2309	if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2310		wait_time = min_wait;
2311	}
2312
2313	/* Min wait time if loop down */
2314	mtime = jiffies + (min_wait * HZ);
2315
2316	/* wait time before firmware ready */
2317	wtime = jiffies + (wait_time * HZ);
2318
2319	/* Wait for ISP to finish LIP */
2320	if (!vha->flags.init_done)
2321		ql_log(ql_log_info, vha, 0x801e,
2322		    "Waiting for LIP to complete.\n");
2323
2324	do {
2325		memset(state, -1, sizeof(state));
2326		rval = qla2x00_get_firmware_state(vha, state);
2327		if (rval == QLA_SUCCESS) {
2328			if (state[0] < FSTATE_LOSS_OF_SYNC) {
2329				vha->device_flags &= ~DFLG_NO_CABLE;
2330			}
2331			if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2332				ql_dbg(ql_dbg_taskm, vha, 0x801f,
2333				    "fw_state=%x 84xx=%x.\n", state[0],
2334				    state[2]);
2335				if ((state[2] & FSTATE_LOGGED_IN) &&
2336				     (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2337					ql_dbg(ql_dbg_taskm, vha, 0x8028,
2338					    "Sending verify iocb.\n");
2339
2340					cs84xx_time = jiffies;
2341					rval = qla84xx_init_chip(vha);
2342					if (rval != QLA_SUCCESS) {
2343						ql_log(ql_log_warn,
2344						    vha, 0x8007,
2345						    "Init chip failed.\n");
2346						break;
2347					}
2348
2349					/* Add time taken to initialize. */
2350					cs84xx_time = jiffies - cs84xx_time;
2351					wtime += cs84xx_time;
2352					mtime += cs84xx_time;
2353					ql_dbg(ql_dbg_taskm, vha, 0x8008,
2354					    "Increasing wait time by %ld. "
2355					    "New time %ld.\n", cs84xx_time,
2356					    wtime);
2357				}
2358			} else if (state[0] == FSTATE_READY) {
2359				ql_dbg(ql_dbg_taskm, vha, 0x8037,
2360				    "F/W Ready - OK.\n");
2361
2362				qla2x00_get_retry_cnt(vha, &ha->retry_count,
2363				    &ha->login_timeout, &ha->r_a_tov);
2364
2365				rval = QLA_SUCCESS;
2366				break;
2367			}
2368
2369			rval = QLA_FUNCTION_FAILED;
2370
2371			if (atomic_read(&vha->loop_down_timer) &&
2372			    state[0] != FSTATE_READY) {
2373				/* Loop down. Timeout on min_wait for states
2374				 * other than Wait for Login.
2375				 */
2376				if (time_after_eq(jiffies, mtime)) {
2377					ql_log(ql_log_info, vha, 0x8038,
2378					    "Cable is unplugged...\n");
2379
2380					vha->device_flags |= DFLG_NO_CABLE;
2381					break;
2382				}
2383			}
2384		} else {
2385			/* Mailbox cmd failed. Timeout on min_wait. */
2386			if (time_after_eq(jiffies, mtime) ||
2387				ha->flags.isp82xx_fw_hung)
2388				break;
2389		}
2390
2391		if (time_after_eq(jiffies, wtime))
2392			break;
2393
2394		/* Delay for a while */
2395		msleep(500);
2396	} while (1);
2397
2398	ql_dbg(ql_dbg_taskm, vha, 0x803a,
2399	    "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
2400	    state[1], state[2], state[3], state[4], state[5], jiffies);
2401
2402	if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2403		ql_log(ql_log_warn, vha, 0x803b,
2404		    "Firmware ready **** FAILED ****.\n");
2405	}
2406
2407	return (rval);
2408}
2409
2410/*
2411*  qla2x00_configure_hba
2412*      Setup adapter context.
2413*
2414* Input:
2415*      ha = adapter state pointer.
2416*
2417* Returns:
2418*      0 = success
2419*
2420* Context:
2421*      Kernel context.
2422*/
2423static int
2424qla2x00_configure_hba(scsi_qla_host_t *vha)
2425{
2426	int       rval;
2427	uint16_t      loop_id;
2428	uint16_t      topo;
2429	uint16_t      sw_cap;
2430	uint8_t       al_pa;
2431	uint8_t       area;
2432	uint8_t       domain;
2433	char		connect_type[22];
2434	struct qla_hw_data *ha = vha->hw;
2435	unsigned long flags;
2436	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2437
2438	/* Get host addresses. */
2439	rval = qla2x00_get_adapter_id(vha,
2440	    &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2441	if (rval != QLA_SUCCESS) {
2442		if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2443		    IS_CNA_CAPABLE(ha) ||
2444		    (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2445			ql_dbg(ql_dbg_disc, vha, 0x2008,
2446			    "Loop is in a transition state.\n");
2447		} else {
2448			ql_log(ql_log_warn, vha, 0x2009,
2449			    "Unable to get host loop ID.\n");
2450			if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2451			    (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2452				ql_log(ql_log_warn, vha, 0x1151,
2453				    "Doing link init.\n");
2454				if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2455					return rval;
2456			}
2457			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2458		}
2459		return (rval);
2460	}
2461
2462	if (topo == 4) {
2463		ql_log(ql_log_info, vha, 0x200a,
2464		    "Cannot get topology - retrying.\n");
2465		return (QLA_FUNCTION_FAILED);
2466	}
2467
2468	vha->loop_id = loop_id;
2469
2470	/* initialize */
2471	ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2472	ha->operating_mode = LOOP;
2473	ha->switch_cap = 0;
2474
2475	switch (topo) {
2476	case 0:
2477		ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2478		ha->current_topology = ISP_CFG_NL;
2479		strcpy(connect_type, "(Loop)");
2480		break;
2481
2482	case 1:
2483		ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2484		ha->switch_cap = sw_cap;
2485		ha->current_topology = ISP_CFG_FL;
2486		strcpy(connect_type, "(FL_Port)");
2487		break;
2488
2489	case 2:
2490		ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2491		ha->operating_mode = P2P;
2492		ha->current_topology = ISP_CFG_N;
2493		strcpy(connect_type, "(N_Port-to-N_Port)");
2494		break;
2495
2496	case 3:
2497		ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2498		ha->switch_cap = sw_cap;
2499		ha->operating_mode = P2P;
2500		ha->current_topology = ISP_CFG_F;
2501		strcpy(connect_type, "(F_Port)");
2502		break;
2503
2504	default:
2505		ql_dbg(ql_dbg_disc, vha, 0x200f,
2506		    "HBA in unknown topology %x, using NL.\n", topo);
2507		ha->current_topology = ISP_CFG_NL;
2508		strcpy(connect_type, "(Loop)");
2509		break;
2510	}
2511
2512	/* Save Host port and loop ID. */
2513	/* byte order - Big Endian */
2514	vha->d_id.b.domain = domain;
2515	vha->d_id.b.area = area;
2516	vha->d_id.b.al_pa = al_pa;
2517
2518	spin_lock_irqsave(&ha->vport_slock, flags);
2519	qlt_update_vp_map(vha, SET_AL_PA);
2520	spin_unlock_irqrestore(&ha->vport_slock, flags);
2521
2522	if (!vha->flags.init_done)
2523		ql_log(ql_log_info, vha, 0x2010,
2524		    "Topology - %s, Host Loop address 0x%x.\n",
2525		    connect_type, vha->loop_id);
2526
2527	return(rval);
2528}
2529
2530inline void
2531qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2532	char *def)
2533{
2534	char *st, *en;
2535	uint16_t index;
2536	struct qla_hw_data *ha = vha->hw;
2537	int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2538	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2539
2540	if (memcmp(model, BINZERO, len) != 0) {
2541		strncpy(ha->model_number, model, len);
2542		st = en = ha->model_number;
2543		en += len - 1;
2544		while (en > st) {
2545			if (*en != 0x20 && *en != 0x00)
2546				break;
2547			*en-- = '\0';
2548		}
2549
2550		index = (ha->pdev->subsystem_device & 0xff);
2551		if (use_tbl &&
2552		    ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2553		    index < QLA_MODEL_NAMES)
2554			strncpy(ha->model_desc,
2555			    qla2x00_model_name[index * 2 + 1],
2556			    sizeof(ha->model_desc) - 1);
2557	} else {
2558		index = (ha->pdev->subsystem_device & 0xff);
2559		if (use_tbl &&
2560		    ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2561		    index < QLA_MODEL_NAMES) {
2562			strcpy(ha->model_number,
2563			    qla2x00_model_name[index * 2]);
2564			strncpy(ha->model_desc,
2565			    qla2x00_model_name[index * 2 + 1],
2566			    sizeof(ha->model_desc) - 1);
2567		} else {
2568			strcpy(ha->model_number, def);
2569		}
2570	}
2571	if (IS_FWI2_CAPABLE(ha))
2572		qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2573		    sizeof(ha->model_desc));
2574}
2575
2576/* On sparc systems, obtain port and node WWN from firmware
2577 * properties.
2578 */
2579static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2580{
2581#ifdef CONFIG_SPARC
2582	struct qla_hw_data *ha = vha->hw;
2583	struct pci_dev *pdev = ha->pdev;
2584	struct device_node *dp = pci_device_to_OF_node(pdev);
2585	const u8 *val;
2586	int len;
2587
2588	val = of_get_property(dp, "port-wwn", &len);
2589	if (val && len >= WWN_SIZE)
2590		memcpy(nv->port_name, val, WWN_SIZE);
2591
2592	val = of_get_property(dp, "node-wwn", &len);
2593	if (val && len >= WWN_SIZE)
2594		memcpy(nv->node_name, val, WWN_SIZE);
2595#endif
2596}
2597
2598/*
2599* NVRAM configuration for ISP 2xxx
2600*
2601* Input:
2602*      ha                = adapter block pointer.
2603*
2604* Output:
2605*      initialization control block in response_ring
2606*      host adapters parameters in host adapter block
2607*
2608* Returns:
2609*      0 = success.
2610*/
2611int
2612qla2x00_nvram_config(scsi_qla_host_t *vha)
2613{
2614	int             rval;
2615	uint8_t         chksum = 0;
2616	uint16_t        cnt;
2617	uint8_t         *dptr1, *dptr2;
2618	struct qla_hw_data *ha = vha->hw;
2619	init_cb_t       *icb = ha->init_cb;
2620	nvram_t         *nv = ha->nvram;
2621	uint8_t         *ptr = ha->nvram;
2622	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2623
2624	rval = QLA_SUCCESS;
2625
2626	/* Determine NVRAM starting address. */
2627	ha->nvram_size = sizeof(nvram_t);
2628	ha->nvram_base = 0;
2629	if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2630		if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2631			ha->nvram_base = 0x80;
2632
2633	/* Get NVRAM data and calculate checksum. */
2634	ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2635	for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2636		chksum += *ptr++;
2637
2638	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2639	    "Contents of NVRAM.\n");
2640	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2641	    (uint8_t *)nv, ha->nvram_size);
2642
2643	/* Bad NVRAM data, set defaults parameters. */
2644	if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2645	    nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2646		/* Reset NVRAM data. */
2647		ql_log(ql_log_warn, vha, 0x0064,
2648		    "Inconsistent NVRAM "
2649		    "detected: checksum=0x%x id=%c version=0x%x.\n",
2650		    chksum, nv->id[0], nv->nvram_version);
2651		ql_log(ql_log_warn, vha, 0x0065,
2652		    "Falling back to "
2653		    "functioning (yet invalid -- WWPN) defaults.\n");
2654
2655		/*
2656		 * Set default initialization control block.
2657		 */
2658		memset(nv, 0, ha->nvram_size);
2659		nv->parameter_block_version = ICB_VERSION;
2660
2661		if (IS_QLA23XX(ha)) {
2662			nv->firmware_options[0] = BIT_2 | BIT_1;
2663			nv->firmware_options[1] = BIT_7 | BIT_5;
2664			nv->add_firmware_options[0] = BIT_5;
2665			nv->add_firmware_options[1] = BIT_5 | BIT_4;
2666			nv->frame_payload_size = 2048;
2667			nv->special_options[1] = BIT_7;
2668		} else if (IS_QLA2200(ha)) {
2669			nv->firmware_options[0] = BIT_2 | BIT_1;
2670			nv->firmware_options[1] = BIT_7 | BIT_5;
2671			nv->add_firmware_options[0] = BIT_5;
2672			nv->add_firmware_options[1] = BIT_5 | BIT_4;
2673			nv->frame_payload_size = 1024;
2674		} else if (IS_QLA2100(ha)) {
2675			nv->firmware_options[0] = BIT_3 | BIT_1;
2676			nv->firmware_options[1] = BIT_5;
2677			nv->frame_payload_size = 1024;
2678		}
2679
2680		nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2681		nv->execution_throttle = __constant_cpu_to_le16(16);
2682		nv->retry_count = 8;
2683		nv->retry_delay = 1;
2684
2685		nv->port_name[0] = 33;
2686		nv->port_name[3] = 224;
2687		nv->port_name[4] = 139;
2688
2689		qla2xxx_nvram_wwn_from_ofw(vha, nv);
2690
2691		nv->login_timeout = 4;
2692
2693		/*
2694		 * Set default host adapter parameters
2695		 */
2696		nv->host_p[1] = BIT_2;
2697		nv->reset_delay = 5;
2698		nv->port_down_retry_count = 8;
2699		nv->max_luns_per_target = __constant_cpu_to_le16(8);
2700		nv->link_down_timeout = 60;
2701
2702		rval = 1;
2703	}
2704
2705#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2706	/*
2707	 * The SN2 does not provide BIOS emulation which means you can't change
2708	 * potentially bogus BIOS settings. Force the use of default settings
2709	 * for link rate and frame size.  Hope that the rest of the settings
2710	 * are valid.
2711	 */
2712	if (ia64_platform_is("sn2")) {
2713		nv->frame_payload_size = 2048;
2714		if (IS_QLA23XX(ha))
2715			nv->special_options[1] = BIT_7;
2716	}
2717#endif
2718
2719	/* Reset Initialization control block */
2720	memset(icb, 0, ha->init_cb_size);
2721
2722	/*
2723	 * Setup driver NVRAM options.
2724	 */
2725	nv->firmware_options[0] |= (BIT_6 | BIT_1);
2726	nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2727	nv->firmware_options[1] |= (BIT_5 | BIT_0);
2728	nv->firmware_options[1] &= ~BIT_4;
2729
2730	if (IS_QLA23XX(ha)) {
2731		nv->firmware_options[0] |= BIT_2;
2732		nv->firmware_options[0] &= ~BIT_3;
2733		nv->special_options[0] &= ~BIT_6;
2734		nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2735
2736		if (IS_QLA2300(ha)) {
2737			if (ha->fb_rev == FPM_2310) {
2738				strcpy(ha->model_number, "QLA2310");
2739			} else {
2740				strcpy(ha->model_number, "QLA2300");
2741			}
2742		} else {
2743			qla2x00_set_model_info(vha, nv->model_number,
2744			    sizeof(nv->model_number), "QLA23xx");
2745		}
2746	} else if (IS_QLA2200(ha)) {
2747		nv->firmware_options[0] |= BIT_2;
2748		/*
2749		 * 'Point-to-point preferred, else loop' is not a safe
2750		 * connection mode setting.
2751		 */
2752		if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2753		    (BIT_5 | BIT_4)) {
2754			/* Force 'loop preferred, else point-to-point'. */
2755			nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2756			nv->add_firmware_options[0] |= BIT_5;
2757		}
2758		strcpy(ha->model_number, "QLA22xx");
2759	} else /*if (IS_QLA2100(ha))*/ {
2760		strcpy(ha->model_number, "QLA2100");
2761	}
2762
2763	/*
2764	 * Copy over NVRAM RISC parameter block to initialization control block.
2765	 */
2766	dptr1 = (uint8_t *)icb;
2767	dptr2 = (uint8_t *)&nv->parameter_block_version;
2768	cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2769	while (cnt--)
2770		*dptr1++ = *dptr2++;
2771
2772	/* Copy 2nd half. */
2773	dptr1 = (uint8_t *)icb->add_firmware_options;
2774	cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2775	while (cnt--)
2776		*dptr1++ = *dptr2++;
2777
2778	/* Use alternate WWN? */
2779	if (nv->host_p[1] & BIT_7) {
2780		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2781		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2782	}
2783
2784	/* Prepare nodename */
2785	if ((icb->firmware_options[1] & BIT_6) == 0) {
2786		/*
2787		 * Firmware will apply the following mask if the nodename was
2788		 * not provided.
2789		 */
2790		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2791		icb->node_name[0] &= 0xF0;
2792	}
2793
2794	/*
2795	 * Set host adapter parameters.
2796	 */
2797
2798	/*
2799	 * BIT_7 in the host-parameters section allows for modification to
2800	 * internal driver logging.
2801	 */
2802	if (nv->host_p[0] & BIT_7)
2803		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2804	ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2805	/* Always load RISC code on non ISP2[12]00 chips. */
2806	if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2807		ha->flags.disable_risc_code_load = 0;
2808	ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2809	ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2810	ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2811	ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2812	ha->flags.disable_serdes = 0;
2813
2814	ha->operating_mode =
2815	    (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2816
2817	memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2818	    sizeof(ha->fw_seriallink_options));
2819
2820	/* save HBA serial number */
2821	ha->serial0 = icb->port_name[5];
2822	ha->serial1 = icb->port_name[6];
2823	ha->serial2 = icb->port_name[7];
2824	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2825	memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2826
2827	icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2828
2829	ha->retry_count = nv->retry_count;
2830
2831	/* Set minimum login_timeout to 4 seconds. */
2832	if (nv->login_timeout != ql2xlogintimeout)
2833		nv->login_timeout = ql2xlogintimeout;
2834	if (nv->login_timeout < 4)
2835		nv->login_timeout = 4;
2836	ha->login_timeout = nv->login_timeout;
2837	icb->login_timeout = nv->login_timeout;
2838
2839	/* Set minimum RATOV to 100 tenths of a second. */
2840	ha->r_a_tov = 100;
2841
2842	ha->loop_reset_delay = nv->reset_delay;
2843
2844	/* Link Down Timeout = 0:
2845	 *
2846	 * 	When Port Down timer expires we will start returning
2847	 *	I/O's to OS with "DID_NO_CONNECT".
2848	 *
2849	 * Link Down Timeout != 0:
2850	 *
2851	 *	 The driver waits for the link to come up after link down
2852	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
2853	 */
2854	if (nv->link_down_timeout == 0) {
2855		ha->loop_down_abort_time =
2856		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2857	} else {
2858		ha->link_down_timeout =	 nv->link_down_timeout;
2859		ha->loop_down_abort_time =
2860		    (LOOP_DOWN_TIME - ha->link_down_timeout);
2861	}
2862
2863	/*
2864	 * Need enough time to try and get the port back.
2865	 */
2866	ha->port_down_retry_count = nv->port_down_retry_count;
2867	if (qlport_down_retry)
2868		ha->port_down_retry_count = qlport_down_retry;
2869	/* Set login_retry_count */
2870	ha->login_retry_count  = nv->retry_count;
2871	if (ha->port_down_retry_count == nv->port_down_retry_count &&
2872	    ha->port_down_retry_count > 3)
2873		ha->login_retry_count = ha->port_down_retry_count;
2874	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2875		ha->login_retry_count = ha->port_down_retry_count;
2876	if (ql2xloginretrycount)
2877		ha->login_retry_count = ql2xloginretrycount;
2878
2879	icb->lun_enables = __constant_cpu_to_le16(0);
2880	icb->command_resource_count = 0;
2881	icb->immediate_notify_resource_count = 0;
2882	icb->timeout = __constant_cpu_to_le16(0);
2883
2884	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2885		/* Enable RIO */
2886		icb->firmware_options[0] &= ~BIT_3;
2887		icb->add_firmware_options[0] &=
2888		    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2889		icb->add_firmware_options[0] |= BIT_2;
2890		icb->response_accumulation_timer = 3;
2891		icb->interrupt_delay_timer = 5;
2892
2893		vha->flags.process_response_queue = 1;
2894	} else {
2895		/* Enable ZIO. */
2896		if (!vha->flags.init_done) {
2897			ha->zio_mode = icb->add_firmware_options[0] &
2898			    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2899			ha->zio_timer = icb->interrupt_delay_timer ?
2900			    icb->interrupt_delay_timer: 2;
2901		}
2902		icb->add_firmware_options[0] &=
2903		    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2904		vha->flags.process_response_queue = 0;
2905		if (ha->zio_mode != QLA_ZIO_DISABLED) {
2906			ha->zio_mode = QLA_ZIO_MODE_6;
2907
2908			ql_log(ql_log_info, vha, 0x0068,
2909			    "ZIO mode %d enabled; timer delay (%d us).\n",
2910			    ha->zio_mode, ha->zio_timer * 100);
2911
2912			icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2913			icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2914			vha->flags.process_response_queue = 1;
2915		}
2916	}
2917
2918	if (rval) {
2919		ql_log(ql_log_warn, vha, 0x0069,
2920		    "NVRAM configuration failed.\n");
2921	}
2922	return (rval);
2923}
2924
2925static void
2926qla2x00_rport_del(void *data)
2927{
2928	fc_port_t *fcport = data;
2929	struct fc_rport *rport;
2930	unsigned long flags;
2931
2932	spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2933	rport = fcport->drport ? fcport->drport: fcport->rport;
2934	fcport->drport = NULL;
2935	spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2936	if (rport)
2937		fc_remote_port_delete(rport);
2938}
2939
2940/**
2941 * qla2x00_alloc_fcport() - Allocate a generic fcport.
2942 * @ha: HA context
2943 * @flags: allocation flags
2944 *
2945 * Returns a pointer to the allocated fcport, or NULL, if none available.
2946 */
2947fc_port_t *
2948qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2949{
2950	fc_port_t *fcport;
2951
2952	fcport = kzalloc(sizeof(fc_port_t), flags);
2953	if (!fcport)
2954		return NULL;
2955
2956	/* Setup fcport template structure. */
2957	fcport->vha = vha;
2958	fcport->port_type = FCT_UNKNOWN;
2959	fcport->loop_id = FC_NO_LOOP_ID;
2960	qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2961	fcport->supported_classes = FC_COS_UNSPECIFIED;
2962
2963	return fcport;
2964}
2965
2966/*
2967 * qla2x00_configure_loop
2968 *      Updates Fibre Channel Device Database with what is actually on loop.
2969 *
2970 * Input:
2971 *      ha                = adapter block pointer.
2972 *
2973 * Returns:
2974 *      0 = success.
2975 *      1 = error.
2976 *      2 = database was full and device was not configured.
2977 */
2978static int
2979qla2x00_configure_loop(scsi_qla_host_t *vha)
2980{
2981	int  rval;
2982	unsigned long flags, save_flags;
2983	struct qla_hw_data *ha = vha->hw;
2984	rval = QLA_SUCCESS;
2985
2986	/* Get Initiator ID */
2987	if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2988		rval = qla2x00_configure_hba(vha);
2989		if (rval != QLA_SUCCESS) {
2990			ql_dbg(ql_dbg_disc, vha, 0x2013,
2991			    "Unable to configure HBA.\n");
2992			return (rval);
2993		}
2994	}
2995
2996	save_flags = flags = vha->dpc_flags;
2997	ql_dbg(ql_dbg_disc, vha, 0x2014,
2998	    "Configure loop -- dpc flags = 0x%lx.\n", flags);
2999
3000	/*
3001	 * If we have both an RSCN and PORT UPDATE pending then handle them
3002	 * both at the same time.
3003	 */
3004	clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3005	clear_bit(RSCN_UPDATE, &vha->dpc_flags);
3006
3007	qla2x00_get_data_rate(vha);
3008
3009	/* Determine what we need to do */
3010	if (ha->current_topology == ISP_CFG_FL &&
3011	    (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3012
3013		set_bit(RSCN_UPDATE, &flags);
3014
3015	} else if (ha->current_topology == ISP_CFG_F &&
3016	    (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3017
3018		set_bit(RSCN_UPDATE, &flags);
3019		clear_bit(LOCAL_LOOP_UPDATE, &flags);
3020
3021	} else if (ha->current_topology == ISP_CFG_N) {
3022		clear_bit(RSCN_UPDATE, &flags);
3023
3024	} else if (!vha->flags.online ||
3025	    (test_bit(ABORT_ISP_ACTIVE, &flags))) {
3026
3027		set_bit(RSCN_UPDATE, &flags);
3028		set_bit(LOCAL_LOOP_UPDATE, &flags);
3029	}
3030
3031	if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
3032		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3033			ql_dbg(ql_dbg_disc, vha, 0x2015,
3034			    "Loop resync needed, failing.\n");
3035			rval = QLA_FUNCTION_FAILED;
3036		} else
3037			rval = qla2x00_configure_local_loop(vha);
3038	}
3039
3040	if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
3041		if (LOOP_TRANSITION(vha)) {
3042			ql_dbg(ql_dbg_disc, vha, 0x201e,
3043			    "Needs RSCN update and loop transition.\n");
3044			rval = QLA_FUNCTION_FAILED;
3045		}
3046		else
3047			rval = qla2x00_configure_fabric(vha);
3048	}
3049
3050	if (rval == QLA_SUCCESS) {
3051		if (atomic_read(&vha->loop_down_timer) ||
3052		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3053			rval = QLA_FUNCTION_FAILED;
3054		} else {
3055			atomic_set(&vha->loop_state, LOOP_READY);
3056			ql_dbg(ql_dbg_disc, vha, 0x2069,
3057			    "LOOP READY.\n");
3058		}
3059	}
3060
3061	if (rval) {
3062		ql_dbg(ql_dbg_disc, vha, 0x206a,
3063		    "%s *** FAILED ***.\n", __func__);
3064	} else {
3065		ql_dbg(ql_dbg_disc, vha, 0x206b,
3066		    "%s: exiting normally.\n", __func__);
3067	}
3068
3069	/* Restore state if a resync event occurred during processing */
3070	if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3071		if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
3072			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3073		if (test_bit(RSCN_UPDATE, &save_flags)) {
3074			set_bit(RSCN_UPDATE, &vha->dpc_flags);
3075		}
3076	}
3077
3078	return (rval);
3079}
3080
3081
3082
3083/*
3084 * qla2x00_configure_local_loop
3085 *	Updates Fibre Channel Device Database with local loop devices.
3086 *
3087 * Input:
3088 *	ha = adapter block pointer.
3089 *
3090 * Returns:
3091 *	0 = success.
3092 */
3093static int
3094qla2x00_configure_local_loop(scsi_qla_host_t *vha)
3095{
3096	int		rval, rval2;
3097	int		found_devs;
3098	int		found;
3099	fc_port_t	*fcport, *new_fcport;
3100
3101	uint16_t	index;
3102	uint16_t	entries;
3103	char		*id_iter;
3104	uint16_t	loop_id;
3105	uint8_t		domain, area, al_pa;
3106	struct qla_hw_data *ha = vha->hw;
3107
3108	found_devs = 0;
3109	new_fcport = NULL;
3110	entries = MAX_FIBRE_DEVICES_LOOP;
3111
3112	/* Get list of logged in devices. */
3113	memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
3114	rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
3115	    &entries);
3116	if (rval != QLA_SUCCESS)
3117		goto cleanup_allocation;
3118
3119	ql_dbg(ql_dbg_disc, vha, 0x2017,
3120	    "Entries in ID list (%d).\n", entries);
3121	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
3122	    (uint8_t *)ha->gid_list,
3123	    entries * sizeof(struct gid_list_info));
3124
3125	/* Allocate temporary fcport for any new fcports discovered. */
3126	new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3127	if (new_fcport == NULL) {
3128		ql_log(ql_log_warn, vha, 0x2018,
3129		    "Memory allocation failed for fcport.\n");
3130		rval = QLA_MEMORY_ALLOC_FAILED;
3131		goto cleanup_allocation;
3132	}
3133	new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3134
3135	/*
3136	 * Mark local devices that were present with FCF_DEVICE_LOST for now.
3137	 */
3138	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3139		if (atomic_read(&fcport->state) == FCS_ONLINE &&
3140		    fcport->port_type != FCT_BROADCAST &&
3141		    (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3142
3143			ql_dbg(ql_dbg_disc, vha, 0x2019,
3144			    "Marking port lost loop_id=0x%04x.\n",
3145			    fcport->loop_id);
3146
3147			qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3148		}
3149	}
3150
3151	/* Add devices to port list. */
3152	id_iter = (char *)ha->gid_list;
3153	for (index = 0; index < entries; index++) {
3154		domain = ((struct gid_list_info *)id_iter)->domain;
3155		area = ((struct gid_list_info *)id_iter)->area;
3156		al_pa = ((struct gid_list_info *)id_iter)->al_pa;
3157		if (IS_QLA2100(ha) || IS_QLA2200(ha))
3158			loop_id = (uint16_t)
3159			    ((struct gid_list_info *)id_iter)->loop_id_2100;
3160		else
3161			loop_id = le16_to_cpu(
3162			    ((struct gid_list_info *)id_iter)->loop_id);
3163		id_iter += ha->gid_list_info_size;
3164
3165		/* Bypass reserved domain fields. */
3166		if ((domain & 0xf0) == 0xf0)
3167			continue;
3168
3169		/* Bypass if not same domain and area of adapter. */
3170		if (area && domain &&
3171		    (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
3172			continue;
3173
3174		/* Bypass invalid local loop ID. */
3175		if (loop_id > LAST_LOCAL_LOOP_ID)
3176			continue;
3177
3178		memset(new_fcport, 0, sizeof(fc_port_t));
3179
3180		/* Fill in member data. */
3181		new_fcport->d_id.b.domain = domain;
3182		new_fcport->d_id.b.area = area;
3183		new_fcport->d_id.b.al_pa = al_pa;
3184		new_fcport->loop_id = loop_id;
3185		rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
3186		if (rval2 != QLA_SUCCESS) {
3187			ql_dbg(ql_dbg_disc, vha, 0x201a,
3188			    "Failed to retrieve fcport information "
3189			    "-- get_port_database=%x, loop_id=0x%04x.\n",
3190			    rval2, new_fcport->loop_id);
3191			ql_dbg(ql_dbg_disc, vha, 0x201b,
3192			    "Scheduling resync.\n");
3193			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3194			continue;
3195		}
3196
3197		/* Check for matching device in port list. */
3198		found = 0;
3199		fcport = NULL;
3200		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3201			if (memcmp(new_fcport->port_name, fcport->port_name,
3202			    WWN_SIZE))
3203				continue;
3204
3205			fcport->flags &= ~FCF_FABRIC_DEVICE;
3206			fcport->loop_id = new_fcport->loop_id;
3207			fcport->port_type = new_fcport->port_type;
3208			fcport->d_id.b24 = new_fcport->d_id.b24;
3209			memcpy(fcport->node_name, new_fcport->node_name,
3210			    WWN_SIZE);
3211
3212			found++;
3213			break;
3214		}
3215
3216		if (!found) {
3217			/* New device, add to fcports list. */
3218			list_add_tail(&new_fcport->list, &vha->vp_fcports);
3219
3220			/* Allocate a new replacement fcport. */
3221			fcport = new_fcport;
3222			new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3223			if (new_fcport == NULL) {
3224				ql_log(ql_log_warn, vha, 0x201c,
3225				    "Failed to allocate memory for fcport.\n");
3226				rval = QLA_MEMORY_ALLOC_FAILED;
3227				goto cleanup_allocation;
3228			}
3229			new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3230		}
3231
3232		/* Base iIDMA settings on HBA port speed. */
3233		fcport->fp_speed = ha->link_data_rate;
3234
3235		qla2x00_update_fcport(vha, fcport);
3236
3237		found_devs++;
3238	}
3239
3240cleanup_allocation:
3241	kfree(new_fcport);
3242
3243	if (rval != QLA_SUCCESS) {
3244		ql_dbg(ql_dbg_disc, vha, 0x201d,
3245		    "Configure local loop error exit: rval=%x.\n", rval);
3246	}
3247
3248	return (rval);
3249}
3250
3251static void
3252qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3253{
3254	int rval;
3255	uint16_t mb[MAILBOX_REGISTER_COUNT];
3256	struct qla_hw_data *ha = vha->hw;
3257
3258	if (!IS_IIDMA_CAPABLE(ha))
3259		return;
3260
3261	if (atomic_read(&fcport->state) != FCS_ONLINE)
3262		return;
3263
3264	if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3265	    fcport->fp_speed > ha->link_data_rate)
3266		return;
3267
3268	rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3269	    mb);
3270	if (rval != QLA_SUCCESS) {
3271		ql_dbg(ql_dbg_disc, vha, 0x2004,
3272		    "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
3273		    fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
3274	} else {
3275		ql_dbg(ql_dbg_disc, vha, 0x2005,
3276		    "iIDMA adjusted to %s GB/s on %8phN.\n",
3277		    qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3278		    fcport->port_name);
3279	}
3280}
3281
3282static void
3283qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3284{
3285	struct fc_rport_identifiers rport_ids;
3286	struct fc_rport *rport;
3287	unsigned long flags;
3288
3289	rport_ids.node_name = wwn_to_u64(fcport->node_name);
3290	rport_ids.port_name = wwn_to_u64(fcport->port_name);
3291	rport_ids.port_id = fcport->d_id.b.domain << 16 |
3292	    fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3293	rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3294	fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3295	if (!rport) {
3296		ql_log(ql_log_warn, vha, 0x2006,
3297		    "Unable to allocate fc remote port.\n");
3298		return;
3299	}
3300	/*
3301	 * Create target mode FC NEXUS in qla_target.c if target mode is
3302	 * enabled..
3303	 */
3304
3305	qlt_fc_port_added(vha, fcport);
3306
3307	spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3308	*((fc_port_t **)rport->dd_data) = fcport;
3309	spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3310
3311	rport->supported_classes = fcport->supported_classes;
3312
3313	rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3314	if (fcport->port_type == FCT_INITIATOR)
3315		rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3316	if (fcport->port_type == FCT_TARGET)
3317		rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3318	fc_remote_port_rolechg(rport, rport_ids.roles);
3319}
3320
3321/*
3322 * qla2x00_update_fcport
3323 *	Updates device on list.
3324 *
3325 * Input:
3326 *	ha = adapter block pointer.
3327 *	fcport = port structure pointer.
3328 *
3329 * Return:
3330 *	0  - Success
3331 *  BIT_0 - error
3332 *
3333 * Context:
3334 *	Kernel context.
3335 */
3336void
3337qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3338{
3339	fcport->vha = vha;
3340
3341	if (IS_QLAFX00(vha->hw)) {
3342		qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3343		qla2x00_reg_remote_port(vha, fcport);
3344		return;
3345	}
3346	fcport->login_retry = 0;
3347	fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3348
3349	qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3350	qla2x00_iidma_fcport(vha, fcport);
3351	qla24xx_update_fcport_fcp_prio(vha, fcport);
3352	qla2x00_reg_remote_port(vha, fcport);
3353}
3354
3355/*
3356 * qla2x00_configure_fabric
3357 *      Setup SNS devices with loop ID's.
3358 *
3359 * Input:
3360 *      ha = adapter block pointer.
3361 *
3362 * Returns:
3363 *      0 = success.
3364 *      BIT_0 = error
3365 */
3366static int
3367qla2x00_configure_fabric(scsi_qla_host_t *vha)
3368{
3369	int	rval;
3370	fc_port_t	*fcport, *fcptemp;
3371	uint16_t	next_loopid;
3372	uint16_t	mb[MAILBOX_REGISTER_COUNT];
3373	uint16_t	loop_id;
3374	LIST_HEAD(new_fcports);
3375	struct qla_hw_data *ha = vha->hw;
3376	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3377	int		discovery_gen;
3378
3379	/* If FL port exists, then SNS is present */
3380	if (IS_FWI2_CAPABLE(ha))
3381		loop_id = NPH_F_PORT;
3382	else
3383		loop_id = SNS_FL_PORT;
3384	rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3385	if (rval != QLA_SUCCESS) {
3386		ql_dbg(ql_dbg_disc, vha, 0x201f,
3387		    "MBX_GET_PORT_NAME failed, No FL Port.\n");
3388
3389		vha->device_flags &= ~SWITCH_FOUND;
3390		return (QLA_SUCCESS);
3391	}
3392	vha->device_flags |= SWITCH_FOUND;
3393
3394	do {
3395		/* FDMI support. */
3396		if (ql2xfdmienable &&
3397		    test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3398			qla2x00_fdmi_register(vha);
3399
3400		/* Ensure we are logged into the SNS. */
3401		if (IS_FWI2_CAPABLE(ha))
3402			loop_id = NPH_SNS;
3403		else
3404			loop_id = SIMPLE_NAME_SERVER;
3405		rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3406		    0xfc, mb, BIT_1|BIT_0);
3407		if (rval != QLA_SUCCESS) {
3408			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3409			return rval;
3410		}
3411		if (mb[0] != MBS_COMMAND_COMPLETE) {
3412			ql_dbg(ql_dbg_disc, vha, 0x2042,
3413			    "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3414			    "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3415			    mb[2], mb[6], mb[7]);
3416			return (QLA_SUCCESS);
3417		}
3418
3419		if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3420			if (qla2x00_rft_id(vha)) {
3421				/* EMPTY */
3422				ql_dbg(ql_dbg_disc, vha, 0x2045,
3423				    "Register FC-4 TYPE failed.\n");
3424			}
3425			if (qla2x00_rff_id(vha)) {
3426				/* EMPTY */
3427				ql_dbg(ql_dbg_disc, vha, 0x2049,
3428				    "Register FC-4 Features failed.\n");
3429			}
3430			if (qla2x00_rnn_id(vha)) {
3431				/* EMPTY */
3432				ql_dbg(ql_dbg_disc, vha, 0x204f,
3433				    "Register Node Name failed.\n");
3434			} else if (qla2x00_rsnn_nn(vha)) {
3435				/* EMPTY */
3436				ql_dbg(ql_dbg_disc, vha, 0x2053,
3437				    "Register Symobilic Node Name failed.\n");
3438			}
3439		}
3440
3441#define QLA_FCPORT_SCAN		1
3442#define QLA_FCPORT_FOUND	2
3443
3444		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3445			fcport->scan_state = QLA_FCPORT_SCAN;
3446		}
3447
3448		/* Mark the time right before querying FW for connected ports.
3449		 * This process is long, asynchronous and by the time it's done,
3450		 * collected information might not be accurate anymore. E.g.
3451		 * disconnected port might have re-connected and a brand new
3452		 * session has been created. In this case session's generation
3453		 * will be newer than discovery_gen. */
3454		qlt_do_generation_tick(vha, &discovery_gen);
3455
3456		rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3457		if (rval != QLA_SUCCESS)
3458			break;
3459
3460		/*
3461		 * Logout all previous fabric devices marked lost, except
3462		 * FCP2 devices.
3463		 */
3464		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3465			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3466				break;
3467
3468			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3469				continue;
3470
3471			if (fcport->scan_state == QLA_FCPORT_SCAN) {
3472				if (qla_ini_mode_enabled(base_vha) &&
3473				    atomic_read(&fcport->state) == FCS_ONLINE) {
3474					qla2x00_mark_device_lost(vha, fcport,
3475					    ql2xplogiabsentdevice, 0);
3476					if (fcport->loop_id != FC_NO_LOOP_ID &&
3477					    (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3478					    fcport->port_type != FCT_INITIATOR &&
3479					    fcport->port_type != FCT_BROADCAST) {
3480						ha->isp_ops->fabric_logout(vha,
3481						    fcport->loop_id,
3482						    fcport->d_id.b.domain,
3483						    fcport->d_id.b.area,
3484						    fcport->d_id.b.al_pa);
3485						qla2x00_clear_loop_id(fcport);
3486					}
3487				} else if (!qla_ini_mode_enabled(base_vha)) {
3488					/*
3489					 * In target mode, explicitly kill
3490					 * sessions and log out of devices
3491					 * that are gone, so that we don't
3492					 * end up with an initiator using the
3493					 * wrong ACL (if the fabric recycles
3494					 * an FC address and we have a stale
3495					 * session around) and so that we don't
3496					 * report initiators that are no longer
3497					 * on the fabric.
3498					 */
3499					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf077,
3500					    "port gone, logging out/killing session: "
3501					    "%8phC state 0x%x flags 0x%x fc4_type 0x%x "
3502					    "scan_state %d\n",
3503					    fcport->port_name,
3504					    atomic_read(&fcport->state),
3505					    fcport->flags, fcport->fc4_type,
3506					    fcport->scan_state);
3507					qlt_fc_port_deleted(vha, fcport,
3508					    discovery_gen);
3509				}
3510			}
3511		}
3512
3513		/* Starting free loop ID. */
3514		next_loopid = ha->min_external_loopid;
3515
3516		/*
3517		 * Scan through our port list and login entries that need to be
3518		 * logged in.
3519		 */
3520		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3521			if (atomic_read(&vha->loop_down_timer) ||
3522			    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3523				break;
3524
3525			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3526			    (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3527				continue;
3528
3529			/*
3530			 * If we're not an initiator, skip looking for devices
3531			 * and logging in.  There's no reason for us to do it,
3532			 * and it seems to actively cause problems in target
3533			 * mode if we race with the initiator logging into us
3534			 * (we might get the "port ID used" status back from
3535			 * our login command and log out the initiator, which
3536			 * seems to cause havoc).
3537			 */
3538			if (!qla_ini_mode_enabled(base_vha)) {
3539				if (fcport->scan_state == QLA_FCPORT_FOUND) {
3540					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf078,
3541					    "port %8phC state 0x%x flags 0x%x fc4_type 0x%x "
3542					    "scan_state %d (initiator mode disabled; skipping "
3543					    "login)\n", fcport->port_name,
3544					    atomic_read(&fcport->state),
3545					    fcport->flags, fcport->fc4_type,
3546					    fcport->scan_state);
3547				}
3548				continue;
3549			}
3550
3551			if (fcport->loop_id == FC_NO_LOOP_ID) {
3552				fcport->loop_id = next_loopid;
3553				rval = qla2x00_find_new_loop_id(
3554				    base_vha, fcport);
3555				if (rval != QLA_SUCCESS) {
3556					/* Ran out of IDs to use */
3557					break;
3558				}
3559			}
3560			/* Login and update database */
3561			qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3562		}
3563
3564		/* Exit if out of loop IDs. */
3565		if (rval != QLA_SUCCESS) {
3566			break;
3567		}
3568
3569		/*
3570		 * Login and add the new devices to our port list.
3571		 */
3572		list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3573			if (atomic_read(&vha->loop_down_timer) ||
3574			    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3575				break;
3576
3577			/*
3578			 * If we're not an initiator, skip looking for devices
3579			 * and logging in.  There's no reason for us to do it,
3580			 * and it seems to actively cause problems in target
3581			 * mode if we race with the initiator logging into us
3582			 * (we might get the "port ID used" status back from
3583			 * our login command and log out the initiator, which
3584			 * seems to cause havoc).
3585			 */
3586			if (qla_ini_mode_enabled(base_vha)) {
3587				/* Find a new loop ID to use. */
3588				fcport->loop_id = next_loopid;
3589				rval = qla2x00_find_new_loop_id(base_vha,
3590				    fcport);
3591				if (rval != QLA_SUCCESS) {
3592					/* Ran out of IDs to use */
3593					break;
3594				}
3595
3596				/* Login and update database */
3597				qla2x00_fabric_dev_login(vha, fcport,
3598				    &next_loopid);
3599			} else {
3600				ql_dbg(ql_dbg_tgt_mgt, vha, 0xf079,
3601					"new port %8phC state 0x%x flags 0x%x fc4_type "
3602					"0x%x scan_state %d (initiator mode disabled; "
3603					"skipping login)\n",
3604					fcport->port_name,
3605					atomic_read(&fcport->state),
3606					fcport->flags, fcport->fc4_type,
3607					fcport->scan_state);
3608			}
3609
3610			list_move_tail(&fcport->list, &vha->vp_fcports);
3611		}
3612	} while (0);
3613
3614	/* Free all new device structures not processed. */
3615	list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3616		list_del(&fcport->list);
3617		kfree(fcport);
3618	}
3619
3620	if (rval) {
3621		ql_dbg(ql_dbg_disc, vha, 0x2068,
3622		    "Configure fabric error exit rval=%d.\n", rval);
3623	}
3624
3625	return (rval);
3626}
3627
3628/*
3629 * qla2x00_find_all_fabric_devs
3630 *
3631 * Input:
3632 *	ha = adapter block pointer.
3633 *	dev = database device entry pointer.
3634 *
3635 * Returns:
3636 *	0 = success.
3637 *
3638 * Context:
3639 *	Kernel context.
3640 */
3641static int
3642qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3643	struct list_head *new_fcports)
3644{
3645	int		rval;
3646	uint16_t	loop_id;
3647	fc_port_t	*fcport, *new_fcport, *fcptemp;
3648	int		found;
3649
3650	sw_info_t	*swl;
3651	int		swl_idx;
3652	int		first_dev, last_dev;
3653	port_id_t	wrap = {}, nxt_d_id;
3654	struct qla_hw_data *ha = vha->hw;
3655	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3656
3657	rval = QLA_SUCCESS;
3658
3659	/* Try GID_PT to get device list, else GAN. */
3660	if (!ha->swl)
3661		ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3662		    GFP_KERNEL);
3663	swl = ha->swl;
3664	if (!swl) {
3665		/*EMPTY*/
3666		ql_dbg(ql_dbg_disc, vha, 0x2054,
3667		    "GID_PT allocations failed, fallback on GA_NXT.\n");
3668	} else {
3669		memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3670		if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3671			swl = NULL;
3672		} else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3673			swl = NULL;
3674		} else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3675			swl = NULL;
3676		} else if (ql2xiidmaenable &&
3677		    qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3678			qla2x00_gpsc(vha, swl);
3679		}
3680
3681		/* If other queries succeeded probe for FC-4 type */
3682		if (swl)
3683			qla2x00_gff_id(vha, swl);
3684	}
3685	swl_idx = 0;
3686
3687	/* Allocate temporary fcport for any new fcports discovered. */
3688	new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3689	if (new_fcport == NULL) {
3690		ql_log(ql_log_warn, vha, 0x205e,
3691		    "Failed to allocate memory for fcport.\n");
3692		return (QLA_MEMORY_ALLOC_FAILED);
3693	}
3694	new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3695	/* Set start port ID scan at adapter ID. */
3696	first_dev = 1;
3697	last_dev = 0;
3698
3699	/* Starting free loop ID. */
3700	loop_id = ha->min_external_loopid;
3701	for (; loop_id <= ha->max_loop_id; loop_id++) {
3702		if (qla2x00_is_reserved_id(vha, loop_id))
3703			continue;
3704
3705		if (ha->current_topology == ISP_CFG_FL &&
3706		    (atomic_read(&vha->loop_down_timer) ||
3707		     LOOP_TRANSITION(vha))) {
3708			atomic_set(&vha->loop_down_timer, 0);
3709			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3710			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3711			break;
3712		}
3713
3714		if (swl != NULL) {
3715			if (last_dev) {
3716				wrap.b24 = new_fcport->d_id.b24;
3717			} else {
3718				new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3719				memcpy(new_fcport->node_name,
3720				    swl[swl_idx].node_name, WWN_SIZE);
3721				memcpy(new_fcport->port_name,
3722				    swl[swl_idx].port_name, WWN_SIZE);
3723				memcpy(new_fcport->fabric_port_name,
3724				    swl[swl_idx].fabric_port_name, WWN_SIZE);
3725				new_fcport->fp_speed = swl[swl_idx].fp_speed;
3726				new_fcport->fc4_type = swl[swl_idx].fc4_type;
3727
3728				if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3729					last_dev = 1;
3730				}
3731				swl_idx++;
3732			}
3733		} else {
3734			/* Send GA_NXT to the switch */
3735			rval = qla2x00_ga_nxt(vha, new_fcport);
3736			if (rval != QLA_SUCCESS) {
3737				ql_log(ql_log_warn, vha, 0x2064,
3738				    "SNS scan failed -- assuming "
3739				    "zero-entry result.\n");
3740				list_for_each_entry_safe(fcport, fcptemp,
3741				    new_fcports, list) {
3742					list_del(&fcport->list);
3743					kfree(fcport);
3744				}
3745				rval = QLA_SUCCESS;
3746				break;
3747			}
3748		}
3749
3750		/* If wrap on switch device list, exit. */
3751		if (first_dev) {
3752			wrap.b24 = new_fcport->d_id.b24;
3753			first_dev = 0;
3754		} else if (new_fcport->d_id.b24 == wrap.b24) {
3755			ql_dbg(ql_dbg_disc, vha, 0x2065,
3756			    "Device wrap (%02x%02x%02x).\n",
3757			    new_fcport->d_id.b.domain,
3758			    new_fcport->d_id.b.area,
3759			    new_fcport->d_id.b.al_pa);
3760			break;
3761		}
3762
3763		/* Bypass if same physical adapter. */
3764		if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3765			continue;
3766
3767		/* Bypass virtual ports of the same host. */
3768		if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3769			continue;
3770
3771		/* Bypass if same domain and area of adapter. */
3772		if (((new_fcport->d_id.b24 & 0xffff00) ==
3773		    (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3774			ISP_CFG_FL)
3775			    continue;
3776
3777		/* Bypass reserved domain fields. */
3778		if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3779			continue;
3780
3781		/* Bypass ports whose FCP-4 type is not FCP_SCSI */
3782		if (ql2xgffidenable &&
3783		    (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3784		    new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3785			continue;
3786
3787		/* Locate matching device in database. */
3788		found = 0;
3789		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3790			if (memcmp(new_fcport->port_name, fcport->port_name,
3791			    WWN_SIZE))
3792				continue;
3793
3794			fcport->scan_state = QLA_FCPORT_FOUND;
3795
3796			found++;
3797
3798			/* Update port state. */
3799			memcpy(fcport->fabric_port_name,
3800			    new_fcport->fabric_port_name, WWN_SIZE);
3801			fcport->fp_speed = new_fcport->fp_speed;
3802
3803			/*
3804			 * If address the same and state FCS_ONLINE
3805			 * (or in target mode), nothing changed.
3806			 */
3807			if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3808			    (atomic_read(&fcport->state) == FCS_ONLINE ||
3809			     !qla_ini_mode_enabled(base_vha))) {
3810				break;
3811			}
3812
3813			/*
3814			 * If device was not a fabric device before.
3815			 */
3816			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3817				fcport->d_id.b24 = new_fcport->d_id.b24;
3818				qla2x00_clear_loop_id(fcport);
3819				fcport->flags |= (FCF_FABRIC_DEVICE |
3820				    FCF_LOGIN_NEEDED);
3821				break;
3822			}
3823
3824			/*
3825			 * Port ID changed or device was marked to be updated;
3826			 * Log it out if still logged in and mark it for
3827			 * relogin later.
3828			 */
3829			if (!qla_ini_mode_enabled(base_vha)) {
3830				ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
3831					 "port changed FC ID, %8phC"
3832					 " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
3833					 fcport->port_name,
3834					 fcport->d_id.b.domain,
3835					 fcport->d_id.b.area,
3836					 fcport->d_id.b.al_pa,
3837					 fcport->loop_id,
3838					 new_fcport->d_id.b.domain,
3839					 new_fcport->d_id.b.area,
3840					 new_fcport->d_id.b.al_pa);
3841				fcport->d_id.b24 = new_fcport->d_id.b24;
3842				break;
3843			}
3844
3845			fcport->d_id.b24 = new_fcport->d_id.b24;
3846			fcport->flags |= FCF_LOGIN_NEEDED;
3847			if (fcport->loop_id != FC_NO_LOOP_ID &&
3848			    (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3849			    (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3850			    fcport->port_type != FCT_INITIATOR &&
3851			    fcport->port_type != FCT_BROADCAST) {
3852				ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3853				    fcport->d_id.b.domain, fcport->d_id.b.area,
3854				    fcport->d_id.b.al_pa);
3855				qla2x00_clear_loop_id(fcport);
3856			}
3857
3858			break;
3859		}
3860
3861		if (found)
3862			continue;
3863		/* If device was not in our fcports list, then add it. */
3864		new_fcport->scan_state = QLA_FCPORT_FOUND;
3865		list_add_tail(&new_fcport->list, new_fcports);
3866
3867		/* Allocate a new replacement fcport. */
3868		nxt_d_id.b24 = new_fcport->d_id.b24;
3869		new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3870		if (new_fcport == NULL) {
3871			ql_log(ql_log_warn, vha, 0x2066,
3872			    "Memory allocation failed for fcport.\n");
3873			return (QLA_MEMORY_ALLOC_FAILED);
3874		}
3875		new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3876		new_fcport->d_id.b24 = nxt_d_id.b24;
3877	}
3878
3879	kfree(new_fcport);
3880
3881	return (rval);
3882}
3883
3884/*
3885 * qla2x00_find_new_loop_id
3886 *	Scan through our port list and find a new usable loop ID.
3887 *
3888 * Input:
3889 *	ha:	adapter state pointer.
3890 *	dev:	port structure pointer.
3891 *
3892 * Returns:
3893 *	qla2x00 local function return status code.
3894 *
3895 * Context:
3896 *	Kernel context.
3897 */
3898int
3899qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3900{
3901	int	rval;
3902	struct qla_hw_data *ha = vha->hw;
3903	unsigned long flags = 0;
3904
3905	rval = QLA_SUCCESS;
3906
3907	spin_lock_irqsave(&ha->vport_slock, flags);
3908
3909	dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3910	    LOOPID_MAP_SIZE);
3911	if (dev->loop_id >= LOOPID_MAP_SIZE ||
3912	    qla2x00_is_reserved_id(vha, dev->loop_id)) {
3913		dev->loop_id = FC_NO_LOOP_ID;
3914		rval = QLA_FUNCTION_FAILED;
3915	} else
3916		set_bit(dev->loop_id, ha->loop_id_map);
3917
3918	spin_unlock_irqrestore(&ha->vport_slock, flags);
3919
3920	if (rval == QLA_SUCCESS)
3921		ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3922		    "Assigning new loopid=%x, portid=%x.\n",
3923		    dev->loop_id, dev->d_id.b24);
3924	else
3925		ql_log(ql_log_warn, dev->vha, 0x2087,
3926		    "No loop_id's available, portid=%x.\n",
3927		    dev->d_id.b24);
3928
3929	return (rval);
3930}
3931
3932/*
3933 * qla2x00_fabric_dev_login
3934 *	Login fabric target device and update FC port database.
3935 *
3936 * Input:
3937 *	ha:		adapter state pointer.
3938 *	fcport:		port structure list pointer.
3939 *	next_loopid:	contains value of a new loop ID that can be used
3940 *			by the next login attempt.
3941 *
3942 * Returns:
3943 *	qla2x00 local function return status code.
3944 *
3945 * Context:
3946 *	Kernel context.
3947 */
3948static int
3949qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3950    uint16_t *next_loopid)
3951{
3952	int	rval;
3953	int	retry;
3954	uint8_t opts;
3955	struct qla_hw_data *ha = vha->hw;
3956
3957	rval = QLA_SUCCESS;
3958	retry = 0;
3959
3960	if (IS_ALOGIO_CAPABLE(ha)) {
3961		if (fcport->flags & FCF_ASYNC_SENT)
3962			return rval;
3963		fcport->flags |= FCF_ASYNC_SENT;
3964		rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3965		if (!rval)
3966			return rval;
3967	}
3968
3969	fcport->flags &= ~FCF_ASYNC_SENT;
3970	rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3971	if (rval == QLA_SUCCESS) {
3972		/* Send an ADISC to FCP2 devices.*/
3973		opts = 0;
3974		if (fcport->flags & FCF_FCP2_DEVICE)
3975			opts |= BIT_1;
3976		rval = qla2x00_get_port_database(vha, fcport, opts);
3977		if (rval != QLA_SUCCESS) {
3978			ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3979			    fcport->d_id.b.domain, fcport->d_id.b.area,
3980			    fcport->d_id.b.al_pa);
3981			qla2x00_mark_device_lost(vha, fcport, 1, 0);
3982		} else {
3983			qla2x00_update_fcport(vha, fcport);
3984		}
3985	} else {
3986		/* Retry Login. */
3987		qla2x00_mark_device_lost(vha, fcport, 1, 0);
3988	}
3989
3990	return (rval);
3991}
3992
3993/*
3994 * qla2x00_fabric_login
3995 *	Issue fabric login command.
3996 *
3997 * Input:
3998 *	ha = adapter block pointer.
3999 *	device = pointer to FC device type structure.
4000 *
4001 * Returns:
4002 *      0 - Login successfully
4003 *      1 - Login failed
4004 *      2 - Initiator device
4005 *      3 - Fatal error
4006 */
4007int
4008qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
4009    uint16_t *next_loopid)
4010{
4011	int	rval;
4012	int	retry;
4013	uint16_t tmp_loopid;
4014	uint16_t mb[MAILBOX_REGISTER_COUNT];
4015	struct qla_hw_data *ha = vha->hw;
4016
4017	retry = 0;
4018	tmp_loopid = 0;
4019
4020	for (;;) {
4021		ql_dbg(ql_dbg_disc, vha, 0x2000,
4022		    "Trying Fabric Login w/loop id 0x%04x for port "
4023		    "%02x%02x%02x.\n",
4024		    fcport->loop_id, fcport->d_id.b.domain,
4025		    fcport->d_id.b.area, fcport->d_id.b.al_pa);
4026
4027		/* Login fcport on switch. */
4028		rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
4029		    fcport->d_id.b.domain, fcport->d_id.b.area,
4030		    fcport->d_id.b.al_pa, mb, BIT_0);
4031		if (rval != QLA_SUCCESS) {
4032			return rval;
4033		}
4034		if (mb[0] == MBS_PORT_ID_USED) {
4035			/*
4036			 * Device has another loop ID.  The firmware team
4037			 * recommends the driver perform an implicit login with
4038			 * the specified ID again. The ID we just used is save
4039			 * here so we return with an ID that can be tried by
4040			 * the next login.
4041			 */
4042			retry++;
4043			tmp_loopid = fcport->loop_id;
4044			fcport->loop_id = mb[1];
4045
4046			ql_dbg(ql_dbg_disc, vha, 0x2001,
4047			    "Fabric Login: port in use - next loop "
4048			    "id=0x%04x, port id= %02x%02x%02x.\n",
4049			    fcport->loop_id, fcport->d_id.b.domain,
4050			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
4051
4052		} else if (mb[0] == MBS_COMMAND_COMPLETE) {
4053			/*
4054			 * Login succeeded.
4055			 */
4056			if (retry) {
4057				/* A retry occurred before. */
4058				*next_loopid = tmp_loopid;
4059			} else {
4060				/*
4061				 * No retry occurred before. Just increment the
4062				 * ID value for next login.
4063				 */
4064				*next_loopid = (fcport->loop_id + 1);
4065			}
4066
4067			if (mb[1] & BIT_0) {
4068				fcport->port_type = FCT_INITIATOR;
4069			} else {
4070				fcport->port_type = FCT_TARGET;
4071				if (mb[1] & BIT_1) {
4072					fcport->flags |= FCF_FCP2_DEVICE;
4073				}
4074			}
4075
4076			if (mb[10] & BIT_0)
4077				fcport->supported_classes |= FC_COS_CLASS2;
4078			if (mb[10] & BIT_1)
4079				fcport->supported_classes |= FC_COS_CLASS3;
4080
4081			if (IS_FWI2_CAPABLE(ha)) {
4082				if (mb[10] & BIT_7)
4083					fcport->flags |=
4084					    FCF_CONF_COMP_SUPPORTED;
4085			}
4086
4087			rval = QLA_SUCCESS;
4088			break;
4089		} else if (mb[0] == MBS_LOOP_ID_USED) {
4090			/*
4091			 * Loop ID already used, try next loop ID.
4092			 */
4093			fcport->loop_id++;
4094			rval = qla2x00_find_new_loop_id(vha, fcport);
4095			if (rval != QLA_SUCCESS) {
4096				/* Ran out of loop IDs to use */
4097				break;
4098			}
4099		} else if (mb[0] == MBS_COMMAND_ERROR) {
4100			/*
4101			 * Firmware possibly timed out during login. If NO
4102			 * retries are left to do then the device is declared
4103			 * dead.
4104			 */
4105			*next_loopid = fcport->loop_id;
4106			ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4107			    fcport->d_id.b.domain, fcport->d_id.b.area,
4108			    fcport->d_id.b.al_pa);
4109			qla2x00_mark_device_lost(vha, fcport, 1, 0);
4110
4111			rval = 1;
4112			break;
4113		} else {
4114			/*
4115			 * unrecoverable / not handled error
4116			 */
4117			ql_dbg(ql_dbg_disc, vha, 0x2002,
4118			    "Failed=%x port_id=%02x%02x%02x loop_id=%x "
4119			    "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
4120			    fcport->d_id.b.area, fcport->d_id.b.al_pa,
4121			    fcport->loop_id, jiffies);
4122
4123			*next_loopid = fcport->loop_id;
4124			ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4125			    fcport->d_id.b.domain, fcport->d_id.b.area,
4126			    fcport->d_id.b.al_pa);
4127			qla2x00_clear_loop_id(fcport);
4128			fcport->login_retry = 0;
4129
4130			rval = 3;
4131			break;
4132		}
4133	}
4134
4135	return (rval);
4136}
4137
4138/*
4139 * qla2x00_local_device_login
4140 *	Issue local device login command.
4141 *
4142 * Input:
4143 *	ha = adapter block pointer.
4144 *	loop_id = loop id of device to login to.
4145 *
4146 * Returns (Where's the #define!!!!):
4147 *      0 - Login successfully
4148 *      1 - Login failed
4149 *      3 - Fatal error
4150 */
4151int
4152qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
4153{
4154	int		rval;
4155	uint16_t	mb[MAILBOX_REGISTER_COUNT];
4156
4157	memset(mb, 0, sizeof(mb));
4158	rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
4159	if (rval == QLA_SUCCESS) {
4160		/* Interrogate mailbox registers for any errors */
4161		if (mb[0] == MBS_COMMAND_ERROR)
4162			rval = 1;
4163		else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
4164			/* device not in PCB table */
4165			rval = 3;
4166	}
4167
4168	return (rval);
4169}
4170
4171/*
4172 *  qla2x00_loop_resync
4173 *      Resync with fibre channel devices.
4174 *
4175 * Input:
4176 *      ha = adapter block pointer.
4177 *
4178 * Returns:
4179 *      0 = success
4180 */
4181int
4182qla2x00_loop_resync(scsi_qla_host_t *vha)
4183{
4184	int rval = QLA_SUCCESS;
4185	uint32_t wait_time;
4186	struct req_que *req;
4187	struct rsp_que *rsp;
4188
4189	if (vha->hw->flags.cpu_affinity_enabled)
4190		req = vha->hw->req_q_map[0];
4191	else
4192		req = vha->req;
4193	rsp = req->rsp;
4194
4195	clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4196	if (vha->flags.online) {
4197		if (!(rval = qla2x00_fw_ready(vha))) {
4198			/* Wait at most MAX_TARGET RSCNs for a stable link. */
4199			wait_time = 256;
4200			do {
4201				if (!IS_QLAFX00(vha->hw)) {
4202					/*
4203					 * Issue a marker after FW becomes
4204					 * ready.
4205					 */
4206					qla2x00_marker(vha, req, rsp, 0, 0,
4207						MK_SYNC_ALL);
4208					vha->marker_needed = 0;
4209				}
4210
4211				/* Remap devices on Loop. */
4212				clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4213
4214				if (IS_QLAFX00(vha->hw))
4215					qlafx00_configure_devices(vha);
4216				else
4217					qla2x00_configure_loop(vha);
4218
4219				wait_time--;
4220			} while (!atomic_read(&vha->loop_down_timer) &&
4221				!(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4222				&& wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4223				&vha->dpc_flags)));
4224		}
4225	}
4226
4227	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4228		return (QLA_FUNCTION_FAILED);
4229
4230	if (rval)
4231		ql_dbg(ql_dbg_disc, vha, 0x206c,
4232		    "%s *** FAILED ***.\n", __func__);
4233
4234	return (rval);
4235}
4236
4237/*
4238* qla2x00_perform_loop_resync
4239* Description: This function will set the appropriate flags and call
4240*              qla2x00_loop_resync. If successful loop will be resynced
4241* Arguments : scsi_qla_host_t pointer
4242* returm    : Success or Failure
4243*/
4244
4245int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
4246{
4247	int32_t rval = 0;
4248
4249	if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
4250		/*Configure the flags so that resync happens properly*/
4251		atomic_set(&ha->loop_down_timer, 0);
4252		if (!(ha->device_flags & DFLG_NO_CABLE)) {
4253			atomic_set(&ha->loop_state, LOOP_UP);
4254			set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4255			set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
4256			set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4257
4258			rval = qla2x00_loop_resync(ha);
4259		} else
4260			atomic_set(&ha->loop_state, LOOP_DEAD);
4261
4262		clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
4263	}
4264
4265	return rval;
4266}
4267
4268void
4269qla2x00_update_fcports(scsi_qla_host_t *base_vha)
4270{
4271	fc_port_t *fcport;
4272	struct scsi_qla_host *vha;
4273	struct qla_hw_data *ha = base_vha->hw;
4274	unsigned long flags;
4275
4276	spin_lock_irqsave(&ha->vport_slock, flags);
4277	/* Go with deferred removal of rport references. */
4278	list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
4279		atomic_inc(&vha->vref_count);
4280		list_for_each_entry(fcport, &vha->vp_fcports, list) {
4281			if (fcport->drport &&
4282			    atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
4283				spin_unlock_irqrestore(&ha->vport_slock, flags);
4284				qla2x00_rport_del(fcport);
4285
4286				/*
4287				 * Release the target mode FC NEXUS in
4288				 * qla_target.c, if target mod is enabled.
4289				 */
4290				qlt_fc_port_deleted(vha, fcport,
4291				    base_vha->total_fcport_update_gen);
4292
4293				spin_lock_irqsave(&ha->vport_slock, flags);
4294			}
4295		}
4296		atomic_dec(&vha->vref_count);
4297	}
4298	spin_unlock_irqrestore(&ha->vport_slock, flags);
4299}
4300
4301/* Assumes idc_lock always held on entry */
4302void
4303qla83xx_reset_ownership(scsi_qla_host_t *vha)
4304{
4305	struct qla_hw_data *ha = vha->hw;
4306	uint32_t drv_presence, drv_presence_mask;
4307	uint32_t dev_part_info1, dev_part_info2, class_type;
4308	uint32_t class_type_mask = 0x3;
4309	uint16_t fcoe_other_function = 0xffff, i;
4310
4311	if (IS_QLA8044(ha)) {
4312		drv_presence = qla8044_rd_direct(vha,
4313		    QLA8044_CRB_DRV_ACTIVE_INDEX);
4314		dev_part_info1 = qla8044_rd_direct(vha,
4315		    QLA8044_CRB_DEV_PART_INFO_INDEX);
4316		dev_part_info2 = qla8044_rd_direct(vha,
4317		    QLA8044_CRB_DEV_PART_INFO2);
4318	} else {
4319		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4320		qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4321		qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4322	}
4323	for (i = 0; i < 8; i++) {
4324		class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4325		if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4326		    (i != ha->portnum)) {
4327			fcoe_other_function = i;
4328			break;
4329		}
4330	}
4331	if (fcoe_other_function == 0xffff) {
4332		for (i = 0; i < 8; i++) {
4333			class_type = ((dev_part_info2 >> (i * 4)) &
4334			    class_type_mask);
4335			if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4336			    ((i + 8) != ha->portnum)) {
4337				fcoe_other_function = i + 8;
4338				break;
4339			}
4340		}
4341	}
4342	/*
4343	 * Prepare drv-presence mask based on fcoe functions present.
4344	 * However consider only valid physical fcoe function numbers (0-15).
4345	 */
4346	drv_presence_mask = ~((1 << (ha->portnum)) |
4347			((fcoe_other_function == 0xffff) ?
4348			 0 : (1 << (fcoe_other_function))));
4349
4350	/* We are the reset owner iff:
4351	 *    - No other protocol drivers present.
4352	 *    - This is the lowest among fcoe functions. */
4353	if (!(drv_presence & drv_presence_mask) &&
4354			(ha->portnum < fcoe_other_function)) {
4355		ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4356		    "This host is Reset owner.\n");
4357		ha->flags.nic_core_reset_owner = 1;
4358	}
4359}
4360
4361static int
4362__qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4363{
4364	int rval = QLA_SUCCESS;
4365	struct qla_hw_data *ha = vha->hw;
4366	uint32_t drv_ack;
4367
4368	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4369	if (rval == QLA_SUCCESS) {
4370		drv_ack |= (1 << ha->portnum);
4371		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4372	}
4373
4374	return rval;
4375}
4376
4377static int
4378__qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4379{
4380	int rval = QLA_SUCCESS;
4381	struct qla_hw_data *ha = vha->hw;
4382	uint32_t drv_ack;
4383
4384	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4385	if (rval == QLA_SUCCESS) {
4386		drv_ack &= ~(1 << ha->portnum);
4387		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4388	}
4389
4390	return rval;
4391}
4392
4393static const char *
4394qla83xx_dev_state_to_string(uint32_t dev_state)
4395{
4396	switch (dev_state) {
4397	case QLA8XXX_DEV_COLD:
4398		return "COLD/RE-INIT";
4399	case QLA8XXX_DEV_INITIALIZING:
4400		return "INITIALIZING";
4401	case QLA8XXX_DEV_READY:
4402		return "READY";
4403	case QLA8XXX_DEV_NEED_RESET:
4404		return "NEED RESET";
4405	case QLA8XXX_DEV_NEED_QUIESCENT:
4406		return "NEED QUIESCENT";
4407	case QLA8XXX_DEV_FAILED:
4408		return "FAILED";
4409	case QLA8XXX_DEV_QUIESCENT:
4410		return "QUIESCENT";
4411	default:
4412		return "Unknown";
4413	}
4414}
4415
4416/* Assumes idc-lock always held on entry */
4417void
4418qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4419{
4420	struct qla_hw_data *ha = vha->hw;
4421	uint32_t idc_audit_reg = 0, duration_secs = 0;
4422
4423	switch (audit_type) {
4424	case IDC_AUDIT_TIMESTAMP:
4425		ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4426		idc_audit_reg = (ha->portnum) |
4427		    (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4428		qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4429		break;
4430
4431	case IDC_AUDIT_COMPLETION:
4432		duration_secs = ((jiffies_to_msecs(jiffies) -
4433		    jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4434		idc_audit_reg = (ha->portnum) |
4435		    (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4436		qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4437		break;
4438
4439	default:
4440		ql_log(ql_log_warn, vha, 0xb078,
4441		    "Invalid audit type specified.\n");
4442		break;
4443	}
4444}
4445
4446/* Assumes idc_lock always held on entry */
4447static int
4448qla83xx_initiating_reset(scsi_qla_host_t *vha)
4449{
4450	struct qla_hw_data *ha = vha->hw;
4451	uint32_t  idc_control, dev_state;
4452
4453	__qla83xx_get_idc_control(vha, &idc_control);
4454	if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4455		ql_log(ql_log_info, vha, 0xb080,
4456		    "NIC Core reset has been disabled. idc-control=0x%x\n",
4457		    idc_control);
4458		return QLA_FUNCTION_FAILED;
4459	}
4460
4461	/* Set NEED-RESET iff in READY state and we are the reset-owner */
4462	qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4463	if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4464		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4465		    QLA8XXX_DEV_NEED_RESET);
4466		ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4467		qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4468	} else {
4469		const char *state = qla83xx_dev_state_to_string(dev_state);
4470		ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4471
4472		/* SV: XXX: Is timeout required here? */
4473		/* Wait for IDC state change READY -> NEED_RESET */
4474		while (dev_state == QLA8XXX_DEV_READY) {
4475			qla83xx_idc_unlock(vha, 0);
4476			msleep(200);
4477			qla83xx_idc_lock(vha, 0);
4478			qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4479		}
4480	}
4481
4482	/* Send IDC ack by writing to drv-ack register */
4483	__qla83xx_set_drv_ack(vha);
4484
4485	return QLA_SUCCESS;
4486}
4487
4488int
4489__qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4490{
4491	return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4492}
4493
4494int
4495__qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4496{
4497	return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4498}
4499
4500static int
4501qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4502{
4503	uint32_t drv_presence = 0;
4504	struct qla_hw_data *ha = vha->hw;
4505
4506	qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4507	if (drv_presence & (1 << ha->portnum))
4508		return QLA_SUCCESS;
4509	else
4510		return QLA_TEST_FAILED;
4511}
4512
4513int
4514qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4515{
4516	int rval = QLA_SUCCESS;
4517	struct qla_hw_data *ha = vha->hw;
4518
4519	ql_dbg(ql_dbg_p3p, vha, 0xb058,
4520	    "Entered  %s().\n", __func__);
4521
4522	if (vha->device_flags & DFLG_DEV_FAILED) {
4523		ql_log(ql_log_warn, vha, 0xb059,
4524		    "Device in unrecoverable FAILED state.\n");
4525		return QLA_FUNCTION_FAILED;
4526	}
4527
4528	qla83xx_idc_lock(vha, 0);
4529
4530	if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4531		ql_log(ql_log_warn, vha, 0xb05a,
4532		    "Function=0x%x has been removed from IDC participation.\n",
4533		    ha->portnum);
4534		rval = QLA_FUNCTION_FAILED;
4535		goto exit;
4536	}
4537
4538	qla83xx_reset_ownership(vha);
4539
4540	rval = qla83xx_initiating_reset(vha);
4541
4542	/*
4543	 * Perform reset if we are the reset-owner,
4544	 * else wait till IDC state changes to READY/FAILED.
4545	 */
4546	if (rval == QLA_SUCCESS) {
4547		rval = qla83xx_idc_state_handler(vha);
4548
4549		if (rval == QLA_SUCCESS)
4550			ha->flags.nic_core_hung = 0;
4551		__qla83xx_clear_drv_ack(vha);
4552	}
4553
4554exit:
4555	qla83xx_idc_unlock(vha, 0);
4556
4557	ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4558
4559	return rval;
4560}
4561
4562int
4563qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4564{
4565	struct qla_hw_data *ha = vha->hw;
4566	int rval = QLA_FUNCTION_FAILED;
4567
4568	if (!IS_MCTP_CAPABLE(ha)) {
4569		/* This message can be removed from the final version */
4570		ql_log(ql_log_info, vha, 0x506d,
4571		    "This board is not MCTP capable\n");
4572		return rval;
4573	}
4574
4575	if (!ha->mctp_dump) {
4576		ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4577		    MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4578
4579		if (!ha->mctp_dump) {
4580			ql_log(ql_log_warn, vha, 0x506e,
4581			    "Failed to allocate memory for mctp dump\n");
4582			return rval;
4583		}
4584	}
4585
4586#define MCTP_DUMP_STR_ADDR	0x00000000
4587	rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4588	    MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4589	if (rval != QLA_SUCCESS) {
4590		ql_log(ql_log_warn, vha, 0x506f,
4591		    "Failed to capture mctp dump\n");
4592	} else {
4593		ql_log(ql_log_info, vha, 0x5070,
4594		    "Mctp dump capture for host (%ld/%p).\n",
4595		    vha->host_no, ha->mctp_dump);
4596		ha->mctp_dumped = 1;
4597	}
4598
4599	if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4600		ha->flags.nic_core_reset_hdlr_active = 1;
4601		rval = qla83xx_restart_nic_firmware(vha);
4602		if (rval)
4603			/* NIC Core reset failed. */
4604			ql_log(ql_log_warn, vha, 0x5071,
4605			    "Failed to restart nic firmware\n");
4606		else
4607			ql_dbg(ql_dbg_p3p, vha, 0xb084,
4608			    "Restarted NIC firmware successfully.\n");
4609		ha->flags.nic_core_reset_hdlr_active = 0;
4610	}
4611
4612	return rval;
4613
4614}
4615
4616/*
4617* qla2x00_quiesce_io
4618* Description: This function will block the new I/Os
4619*              Its not aborting any I/Os as context
4620*              is not destroyed during quiescence
4621* Arguments: scsi_qla_host_t
4622* return   : void
4623*/
4624void
4625qla2x00_quiesce_io(scsi_qla_host_t *vha)
4626{
4627	struct qla_hw_data *ha = vha->hw;
4628	struct scsi_qla_host *vp;
4629
4630	ql_dbg(ql_dbg_dpc, vha, 0x401d,
4631	    "Quiescing I/O - ha=%p.\n", ha);
4632
4633	atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4634	if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4635		atomic_set(&vha->loop_state, LOOP_DOWN);
4636		qla2x00_mark_all_devices_lost(vha, 0);
4637		list_for_each_entry(vp, &ha->vp_list, list)
4638			qla2x00_mark_all_devices_lost(vp, 0);
4639	} else {
4640		if (!atomic_read(&vha->loop_down_timer))
4641			atomic_set(&vha->loop_down_timer,
4642					LOOP_DOWN_TIME);
4643	}
4644	/* Wait for pending cmds to complete */
4645	qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4646}
4647
4648void
4649qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4650{
4651	struct qla_hw_data *ha = vha->hw;
4652	struct scsi_qla_host *vp;
4653	unsigned long flags;
4654	fc_port_t *fcport;
4655
4656	/* For ISP82XX, driver waits for completion of the commands.
4657	 * online flag should be set.
4658	 */
4659	if (!(IS_P3P_TYPE(ha)))
4660		vha->flags.online = 0;
4661	ha->flags.chip_reset_done = 0;
4662	clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4663	vha->qla_stats.total_isp_aborts++;
4664
4665	ql_log(ql_log_info, vha, 0x00af,
4666	    "Performing ISP error recovery - ha=%p.\n", ha);
4667
4668	/* For ISP82XX, reset_chip is just disabling interrupts.
4669	 * Driver waits for the completion of the commands.
4670	 * the interrupts need to be enabled.
4671	 */
4672	if (!(IS_P3P_TYPE(ha)))
4673		ha->isp_ops->reset_chip(vha);
4674
4675	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4676	if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4677		atomic_set(&vha->loop_state, LOOP_DOWN);
4678		qla2x00_mark_all_devices_lost(vha, 0);
4679
4680		spin_lock_irqsave(&ha->vport_slock, flags);
4681		list_for_each_entry(vp, &ha->vp_list, list) {
4682			atomic_inc(&vp->vref_count);
4683			spin_unlock_irqrestore(&ha->vport_slock, flags);
4684
4685			qla2x00_mark_all_devices_lost(vp, 0);
4686
4687			spin_lock_irqsave(&ha->vport_slock, flags);
4688			atomic_dec(&vp->vref_count);
4689		}
4690		spin_unlock_irqrestore(&ha->vport_slock, flags);
4691	} else {
4692		if (!atomic_read(&vha->loop_down_timer))
4693			atomic_set(&vha->loop_down_timer,
4694			    LOOP_DOWN_TIME);
4695	}
4696
4697	/* Clear all async request states across all VPs. */
4698	list_for_each_entry(fcport, &vha->vp_fcports, list)
4699		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4700	spin_lock_irqsave(&ha->vport_slock, flags);
4701	list_for_each_entry(vp, &ha->vp_list, list) {
4702		atomic_inc(&vp->vref_count);
4703		spin_unlock_irqrestore(&ha->vport_slock, flags);
4704
4705		list_for_each_entry(fcport, &vp->vp_fcports, list)
4706			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4707
4708		spin_lock_irqsave(&ha->vport_slock, flags);
4709		atomic_dec(&vp->vref_count);
4710	}
4711	spin_unlock_irqrestore(&ha->vport_slock, flags);
4712
4713	if (!ha->flags.eeh_busy) {
4714		/* Make sure for ISP 82XX IO DMA is complete */
4715		if (IS_P3P_TYPE(ha)) {
4716			qla82xx_chip_reset_cleanup(vha);
4717			ql_log(ql_log_info, vha, 0x00b4,
4718			    "Done chip reset cleanup.\n");
4719
4720			/* Done waiting for pending commands.
4721			 * Reset the online flag.
4722			 */
4723			vha->flags.online = 0;
4724		}
4725
4726		/* Requeue all commands in outstanding command list. */
4727		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4728	}
4729
4730	ha->chip_reset++;
4731	/* memory barrier */
4732	wmb();
4733}
4734
4735/*
4736*  qla2x00_abort_isp
4737*      Resets ISP and aborts all outstanding commands.
4738*
4739* Input:
4740*      ha           = adapter block pointer.
4741*
4742* Returns:
4743*      0 = success
4744*/
4745int
4746qla2x00_abort_isp(scsi_qla_host_t *vha)
4747{
4748	int rval;
4749	uint8_t        status = 0;
4750	struct qla_hw_data *ha = vha->hw;
4751	struct scsi_qla_host *vp;
4752	struct req_que *req = ha->req_q_map[0];
4753	unsigned long flags;
4754
4755	if (vha->flags.online) {
4756		qla2x00_abort_isp_cleanup(vha);
4757
4758		if (IS_QLA8031(ha)) {
4759			ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4760			    "Clearing fcoe driver presence.\n");
4761			if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4762				ql_dbg(ql_dbg_p3p, vha, 0xb073,
4763				    "Error while clearing DRV-Presence.\n");
4764		}
4765
4766		if (unlikely(pci_channel_offline(ha->pdev) &&
4767		    ha->flags.pci_channel_io_perm_failure)) {
4768			clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4769			status = 0;
4770			return status;
4771		}
4772
4773		ha->isp_ops->get_flash_version(vha, req->ring);
4774
4775		ha->isp_ops->nvram_config(vha);
4776
4777		if (!qla2x00_restart_isp(vha)) {
4778			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4779
4780			if (!atomic_read(&vha->loop_down_timer)) {
4781				/*
4782				 * Issue marker command only when we are going
4783				 * to start the I/O .
4784				 */
4785				vha->marker_needed = 1;
4786			}
4787
4788			vha->flags.online = 1;
4789
4790			ha->isp_ops->enable_intrs(ha);
4791
4792			ha->isp_abort_cnt = 0;
4793			clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4794
4795			if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4796				qla2x00_get_fw_version(vha);
4797			if (ha->fce) {
4798				ha->flags.fce_enabled = 1;
4799				memset(ha->fce, 0,
4800				    fce_calc_size(ha->fce_bufs));
4801				rval = qla2x00_enable_fce_trace(vha,
4802				    ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4803				    &ha->fce_bufs);
4804				if (rval) {
4805					ql_log(ql_log_warn, vha, 0x8033,
4806					    "Unable to reinitialize FCE "
4807					    "(%d).\n", rval);
4808					ha->flags.fce_enabled = 0;
4809				}
4810			}
4811
4812			if (ha->eft) {
4813				memset(ha->eft, 0, EFT_SIZE);
4814				rval = qla2x00_enable_eft_trace(vha,
4815				    ha->eft_dma, EFT_NUM_BUFFERS);
4816				if (rval) {
4817					ql_log(ql_log_warn, vha, 0x8034,
4818					    "Unable to reinitialize EFT "
4819					    "(%d).\n", rval);
4820				}
4821			}
4822		} else {	/* failed the ISP abort */
4823			vha->flags.online = 1;
4824			if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4825				if (ha->isp_abort_cnt == 0) {
4826					ql_log(ql_log_fatal, vha, 0x8035,
4827					    "ISP error recover failed - "
4828					    "board disabled.\n");
4829					/*
4830					 * The next call disables the board
4831					 * completely.
4832					 */
4833					ha->isp_ops->reset_adapter(vha);
4834					vha->flags.online = 0;
4835					clear_bit(ISP_ABORT_RETRY,
4836					    &vha->dpc_flags);
4837					status = 0;
4838				} else { /* schedule another ISP abort */
4839					ha->isp_abort_cnt--;
4840					ql_dbg(ql_dbg_taskm, vha, 0x8020,
4841					    "ISP abort - retry remaining %d.\n",
4842					    ha->isp_abort_cnt);
4843					status = 1;
4844				}
4845			} else {
4846				ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4847				ql_dbg(ql_dbg_taskm, vha, 0x8021,
4848				    "ISP error recovery - retrying (%d) "
4849				    "more times.\n", ha->isp_abort_cnt);
4850				set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4851				status = 1;
4852			}
4853		}
4854
4855	}
4856
4857	if (!status) {
4858		ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4859
4860		spin_lock_irqsave(&ha->vport_slock, flags);
4861		list_for_each_entry(vp, &ha->vp_list, list) {
4862			if (vp->vp_idx) {
4863				atomic_inc(&vp->vref_count);
4864				spin_unlock_irqrestore(&ha->vport_slock, flags);
4865
4866				qla2x00_vp_abort_isp(vp);
4867
4868				spin_lock_irqsave(&ha->vport_slock, flags);
4869				atomic_dec(&vp->vref_count);
4870			}
4871		}
4872		spin_unlock_irqrestore(&ha->vport_slock, flags);
4873
4874		if (IS_QLA8031(ha)) {
4875			ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4876			    "Setting back fcoe driver presence.\n");
4877			if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4878				ql_dbg(ql_dbg_p3p, vha, 0xb074,
4879				    "Error while setting DRV-Presence.\n");
4880		}
4881	} else {
4882		ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4883		       __func__);
4884	}
4885
4886	return(status);
4887}
4888
4889/*
4890*  qla2x00_restart_isp
4891*      restarts the ISP after a reset
4892*
4893* Input:
4894*      ha = adapter block pointer.
4895*
4896* Returns:
4897*      0 = success
4898*/
4899static int
4900qla2x00_restart_isp(scsi_qla_host_t *vha)
4901{
4902	int status = 0;
4903	struct qla_hw_data *ha = vha->hw;
4904	struct req_que *req = ha->req_q_map[0];
4905	struct rsp_que *rsp = ha->rsp_q_map[0];
4906	unsigned long flags;
4907
4908	/* If firmware needs to be loaded */
4909	if (qla2x00_isp_firmware(vha)) {
4910		vha->flags.online = 0;
4911		status = ha->isp_ops->chip_diag(vha);
4912		if (!status)
4913			status = qla2x00_setup_chip(vha);
4914	}
4915
4916	if (!status && !(status = qla2x00_init_rings(vha))) {
4917		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4918		ha->flags.chip_reset_done = 1;
4919
4920		/* Initialize the queues in use */
4921		qla25xx_init_queues(ha);
4922
4923		status = qla2x00_fw_ready(vha);
4924		if (!status) {
4925			/* Issue a marker after FW becomes ready. */
4926			qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4927
4928			vha->flags.online = 1;
4929
4930			/*
4931			 * Process any ATIO queue entries that came in
4932			 * while we weren't online.
4933			 */
4934			spin_lock_irqsave(&ha->hardware_lock, flags);
4935			if (qla_tgt_mode_enabled(vha))
4936				qlt_24xx_process_atio_queue(vha);
4937			spin_unlock_irqrestore(&ha->hardware_lock, flags);
4938
4939			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4940		}
4941
4942		/* if no cable then assume it's good */
4943		if ((vha->device_flags & DFLG_NO_CABLE))
4944			status = 0;
4945	}
4946	return (status);
4947}
4948
4949static int
4950qla25xx_init_queues(struct qla_hw_data *ha)
4951{
4952	struct rsp_que *rsp = NULL;
4953	struct req_que *req = NULL;
4954	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4955	int ret = -1;
4956	int i;
4957
4958	for (i = 1; i < ha->max_rsp_queues; i++) {
4959		rsp = ha->rsp_q_map[i];
4960		if (rsp && test_bit(i, ha->rsp_qid_map)) {
4961			rsp->options &= ~BIT_0;
4962			ret = qla25xx_init_rsp_que(base_vha, rsp);
4963			if (ret != QLA_SUCCESS)
4964				ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4965				    "%s Rsp que: %d init failed.\n",
4966				    __func__, rsp->id);
4967			else
4968				ql_dbg(ql_dbg_init, base_vha, 0x0100,
4969				    "%s Rsp que: %d inited.\n",
4970				    __func__, rsp->id);
4971		}
4972	}
4973	for (i = 1; i < ha->max_req_queues; i++) {
4974		req = ha->req_q_map[i];
4975		if (req && test_bit(i, ha->req_qid_map)) {
4976			/* Clear outstanding commands array. */
4977			req->options &= ~BIT_0;
4978			ret = qla25xx_init_req_que(base_vha, req);
4979			if (ret != QLA_SUCCESS)
4980				ql_dbg(ql_dbg_init, base_vha, 0x0101,
4981				    "%s Req que: %d init failed.\n",
4982				    __func__, req->id);
4983			else
4984				ql_dbg(ql_dbg_init, base_vha, 0x0102,
4985				    "%s Req que: %d inited.\n",
4986				    __func__, req->id);
4987		}
4988	}
4989	return ret;
4990}
4991
4992/*
4993* qla2x00_reset_adapter
4994*      Reset adapter.
4995*
4996* Input:
4997*      ha = adapter block pointer.
4998*/
4999void
5000qla2x00_reset_adapter(scsi_qla_host_t *vha)
5001{
5002	unsigned long flags = 0;
5003	struct qla_hw_data *ha = vha->hw;
5004	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5005
5006	vha->flags.online = 0;
5007	ha->isp_ops->disable_intrs(ha);
5008
5009	spin_lock_irqsave(&ha->hardware_lock, flags);
5010	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
5011	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
5012	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
5013	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
5014	spin_unlock_irqrestore(&ha->hardware_lock, flags);
5015}
5016
5017void
5018qla24xx_reset_adapter(scsi_qla_host_t *vha)
5019{
5020	unsigned long flags = 0;
5021	struct qla_hw_data *ha = vha->hw;
5022	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
5023
5024	if (IS_P3P_TYPE(ha))
5025		return;
5026
5027	vha->flags.online = 0;
5028	ha->isp_ops->disable_intrs(ha);
5029
5030	spin_lock_irqsave(&ha->hardware_lock, flags);
5031	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
5032	RD_REG_DWORD(&reg->hccr);
5033	WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
5034	RD_REG_DWORD(&reg->hccr);
5035	spin_unlock_irqrestore(&ha->hardware_lock, flags);
5036
5037	if (IS_NOPOLLING_TYPE(ha))
5038		ha->isp_ops->enable_intrs(ha);
5039}
5040
5041/* On sparc systems, obtain port and node WWN from firmware
5042 * properties.
5043 */
5044static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
5045	struct nvram_24xx *nv)
5046{
5047#ifdef CONFIG_SPARC
5048	struct qla_hw_data *ha = vha->hw;
5049	struct pci_dev *pdev = ha->pdev;
5050	struct device_node *dp = pci_device_to_OF_node(pdev);
5051	const u8 *val;
5052	int len;
5053
5054	val = of_get_property(dp, "port-wwn", &len);
5055	if (val && len >= WWN_SIZE)
5056		memcpy(nv->port_name, val, WWN_SIZE);
5057
5058	val = of_get_property(dp, "node-wwn", &len);
5059	if (val && len >= WWN_SIZE)
5060		memcpy(nv->node_name, val, WWN_SIZE);
5061#endif
5062}
5063
5064int
5065qla24xx_nvram_config(scsi_qla_host_t *vha)
5066{
5067	int   rval;
5068	struct init_cb_24xx *icb;
5069	struct nvram_24xx *nv;
5070	uint32_t *dptr;
5071	uint8_t  *dptr1, *dptr2;
5072	uint32_t chksum;
5073	uint16_t cnt;
5074	struct qla_hw_data *ha = vha->hw;
5075
5076	rval = QLA_SUCCESS;
5077	icb = (struct init_cb_24xx *)ha->init_cb;
5078	nv = ha->nvram;
5079
5080	/* Determine NVRAM starting address. */
5081	if (ha->port_no == 0) {
5082		ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
5083		ha->vpd_base = FA_NVRAM_VPD0_ADDR;
5084	} else {
5085		ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
5086		ha->vpd_base = FA_NVRAM_VPD1_ADDR;
5087	}
5088
5089	ha->nvram_size = sizeof(struct nvram_24xx);
5090	ha->vpd_size = FA_NVRAM_VPD_SIZE;
5091
5092	/* Get VPD data into cache */
5093	ha->vpd = ha->nvram + VPD_OFFSET;
5094	ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
5095	    ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
5096
5097	/* Get NVRAM data into cache and calculate checksum. */
5098	dptr = (uint32_t *)nv;
5099	ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
5100	    ha->nvram_size);
5101	for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5102		chksum += le32_to_cpu(*dptr++);
5103
5104	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
5105	    "Contents of NVRAM\n");
5106	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
5107	    (uint8_t *)nv, ha->nvram_size);
5108
5109	/* Bad NVRAM data, set defaults parameters. */
5110	if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5111	    || nv->id[3] != ' ' ||
5112	    nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5113		/* Reset NVRAM data. */
5114		ql_log(ql_log_warn, vha, 0x006b,
5115		    "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5116		    "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
5117		ql_log(ql_log_warn, vha, 0x006c,
5118		    "Falling back to functioning (yet invalid -- WWPN) "
5119		    "defaults.\n");
5120
5121		/*
5122		 * Set default initialization control block.
5123		 */
5124		memset(nv, 0, ha->nvram_size);
5125		nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5126		nv->version = __constant_cpu_to_le16(ICB_VERSION);
5127		nv->frame_payload_size = 2048;
5128		nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5129		nv->exchange_count = __constant_cpu_to_le16(0);
5130		nv->hard_address = __constant_cpu_to_le16(124);
5131		nv->port_name[0] = 0x21;
5132		nv->port_name[1] = 0x00 + ha->port_no + 1;
5133		nv->port_name[2] = 0x00;
5134		nv->port_name[3] = 0xe0;
5135		nv->port_name[4] = 0x8b;
5136		nv->port_name[5] = 0x1c;
5137		nv->port_name[6] = 0x55;
5138		nv->port_name[7] = 0x86;
5139		nv->node_name[0] = 0x20;
5140		nv->node_name[1] = 0x00;
5141		nv->node_name[2] = 0x00;
5142		nv->node_name[3] = 0xe0;
5143		nv->node_name[4] = 0x8b;
5144		nv->node_name[5] = 0x1c;
5145		nv->node_name[6] = 0x55;
5146		nv->node_name[7] = 0x86;
5147		qla24xx_nvram_wwn_from_ofw(vha, nv);
5148		nv->login_retry_count = __constant_cpu_to_le16(8);
5149		nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5150		nv->login_timeout = __constant_cpu_to_le16(0);
5151		nv->firmware_options_1 =
5152		    __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5153		nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5154		nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5155		nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5156		nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5157		nv->efi_parameters = __constant_cpu_to_le32(0);
5158		nv->reset_delay = 5;
5159		nv->max_luns_per_target = __constant_cpu_to_le16(128);
5160		nv->port_down_retry_count = __constant_cpu_to_le16(30);
5161		nv->link_down_timeout = __constant_cpu_to_le16(30);
5162
5163		rval = 1;
5164	}
5165
5166	if (!qla_ini_mode_enabled(vha)) {
5167		/* Don't enable full login after initial LIP */
5168		nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
5169		/* Don't enable LIP full login for initiator */
5170		nv->host_p &= __constant_cpu_to_le32(~BIT_10);
5171	}
5172
5173	qlt_24xx_config_nvram_stage1(vha, nv);
5174
5175	/* Reset Initialization control block */
5176	memset(icb, 0, ha->init_cb_size);
5177
5178	/* Copy 1st segment. */
5179	dptr1 = (uint8_t *)icb;
5180	dptr2 = (uint8_t *)&nv->version;
5181	cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5182	while (cnt--)
5183		*dptr1++ = *dptr2++;
5184
5185	icb->login_retry_count = nv->login_retry_count;
5186	icb->link_down_on_nos = nv->link_down_on_nos;
5187
5188	/* Copy 2nd segment. */
5189	dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5190	dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5191	cnt = (uint8_t *)&icb->reserved_3 -
5192	    (uint8_t *)&icb->interrupt_delay_timer;
5193	while (cnt--)
5194		*dptr1++ = *dptr2++;
5195
5196	/*
5197	 * Setup driver NVRAM options.
5198	 */
5199	qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5200	    "QLA2462");
5201
5202	qlt_24xx_config_nvram_stage2(vha, icb);
5203
5204	if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5205		/* Use alternate WWN? */
5206		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5207		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5208	}
5209
5210	/* Prepare nodename */
5211	if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5212		/*
5213		 * Firmware will apply the following mask if the nodename was
5214		 * not provided.
5215		 */
5216		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5217		icb->node_name[0] &= 0xF0;
5218	}
5219
5220	/* Set host adapter parameters. */
5221	ha->flags.disable_risc_code_load = 0;
5222	ha->flags.enable_lip_reset = 0;
5223	ha->flags.enable_lip_full_login =
5224	    le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5225	ha->flags.enable_target_reset =
5226	    le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5227	ha->flags.enable_led_scheme = 0;
5228	ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5229
5230	ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5231	    (BIT_6 | BIT_5 | BIT_4)) >> 4;
5232
5233	memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
5234	    sizeof(ha->fw_seriallink_options24));
5235
5236	/* save HBA serial number */
5237	ha->serial0 = icb->port_name[5];
5238	ha->serial1 = icb->port_name[6];
5239	ha->serial2 = icb->port_name[7];
5240	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5241	memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5242
5243	icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5244
5245	ha->retry_count = le16_to_cpu(nv->login_retry_count);
5246
5247	/* Set minimum login_timeout to 4 seconds. */
5248	if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5249		nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5250	if (le16_to_cpu(nv->login_timeout) < 4)
5251		nv->login_timeout = __constant_cpu_to_le16(4);
5252	ha->login_timeout = le16_to_cpu(nv->login_timeout);
5253	icb->login_timeout = nv->login_timeout;
5254
5255	/* Set minimum RATOV to 100 tenths of a second. */
5256	ha->r_a_tov = 100;
5257
5258	ha->loop_reset_delay = nv->reset_delay;
5259
5260	/* Link Down Timeout = 0:
5261	 *
5262	 * 	When Port Down timer expires we will start returning
5263	 *	I/O's to OS with "DID_NO_CONNECT".
5264	 *
5265	 * Link Down Timeout != 0:
5266	 *
5267	 *	 The driver waits for the link to come up after link down
5268	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
5269	 */
5270	if (le16_to_cpu(nv->link_down_timeout) == 0) {
5271		ha->loop_down_abort_time =
5272		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5273	} else {
5274		ha->link_down_timeout =	le16_to_cpu(nv->link_down_timeout);
5275		ha->loop_down_abort_time =
5276		    (LOOP_DOWN_TIME - ha->link_down_timeout);
5277	}
5278
5279	/* Need enough time to try and get the port back. */
5280	ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5281	if (qlport_down_retry)
5282		ha->port_down_retry_count = qlport_down_retry;
5283
5284	/* Set login_retry_count */
5285	ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5286	if (ha->port_down_retry_count ==
5287	    le16_to_cpu(nv->port_down_retry_count) &&
5288	    ha->port_down_retry_count > 3)
5289		ha->login_retry_count = ha->port_down_retry_count;
5290	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5291		ha->login_retry_count = ha->port_down_retry_count;
5292	if (ql2xloginretrycount)
5293		ha->login_retry_count = ql2xloginretrycount;
5294
5295	/* Enable ZIO. */
5296	if (!vha->flags.init_done) {
5297		ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5298		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5299		ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5300		    le16_to_cpu(icb->interrupt_delay_timer): 2;
5301	}
5302	icb->firmware_options_2 &= __constant_cpu_to_le32(
5303	    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5304	vha->flags.process_response_queue = 0;
5305	if (ha->zio_mode != QLA_ZIO_DISABLED) {
5306		ha->zio_mode = QLA_ZIO_MODE_6;
5307
5308		ql_log(ql_log_info, vha, 0x006f,
5309		    "ZIO mode %d enabled; timer delay (%d us).\n",
5310		    ha->zio_mode, ha->zio_timer * 100);
5311
5312		icb->firmware_options_2 |= cpu_to_le32(
5313		    (uint32_t)ha->zio_mode);
5314		icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5315		vha->flags.process_response_queue = 1;
5316	}
5317
5318	if (rval) {
5319		ql_log(ql_log_warn, vha, 0x0070,
5320		    "NVRAM configuration failed.\n");
5321	}
5322	return (rval);
5323}
5324
5325static int
5326qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5327    uint32_t faddr)
5328{
5329	int	rval = QLA_SUCCESS;
5330	int	segments, fragment;
5331	uint32_t *dcode, dlen;
5332	uint32_t risc_addr;
5333	uint32_t risc_size;
5334	uint32_t i;
5335	struct qla_hw_data *ha = vha->hw;
5336	struct req_que *req = ha->req_q_map[0];
5337
5338	ql_dbg(ql_dbg_init, vha, 0x008b,
5339	    "FW: Loading firmware from flash (%x).\n", faddr);
5340
5341	rval = QLA_SUCCESS;
5342
5343	segments = FA_RISC_CODE_SEGMENTS;
5344	dcode = (uint32_t *)req->ring;
5345	*srisc_addr = 0;
5346
5347	/* Validate firmware image by checking version. */
5348	qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5349	for (i = 0; i < 4; i++)
5350		dcode[i] = be32_to_cpu(dcode[i]);
5351	if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5352	    dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5353	    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5354		dcode[3] == 0)) {
5355		ql_log(ql_log_fatal, vha, 0x008c,
5356		    "Unable to verify the integrity of flash firmware "
5357		    "image.\n");
5358		ql_log(ql_log_fatal, vha, 0x008d,
5359		    "Firmware data: %08x %08x %08x %08x.\n",
5360		    dcode[0], dcode[1], dcode[2], dcode[3]);
5361
5362		return QLA_FUNCTION_FAILED;
5363	}
5364
5365	while (segments && rval == QLA_SUCCESS) {
5366		/* Read segment's load information. */
5367		qla24xx_read_flash_data(vha, dcode, faddr, 4);
5368
5369		risc_addr = be32_to_cpu(dcode[2]);
5370		*srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5371		risc_size = be32_to_cpu(dcode[3]);
5372
5373		fragment = 0;
5374		while (risc_size > 0 && rval == QLA_SUCCESS) {
5375			dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5376			if (dlen > risc_size)
5377				dlen = risc_size;
5378
5379			ql_dbg(ql_dbg_init, vha, 0x008e,
5380			    "Loading risc segment@ risc addr %x "
5381			    "number of dwords 0x%x offset 0x%x.\n",
5382			    risc_addr, dlen, faddr);
5383
5384			qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5385			for (i = 0; i < dlen; i++)
5386				dcode[i] = swab32(dcode[i]);
5387
5388			rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5389			    dlen);
5390			if (rval) {
5391				ql_log(ql_log_fatal, vha, 0x008f,
5392				    "Failed to load segment %d of firmware.\n",
5393				    fragment);
5394				return QLA_FUNCTION_FAILED;
5395			}
5396
5397			faddr += dlen;
5398			risc_addr += dlen;
5399			risc_size -= dlen;
5400			fragment++;
5401		}
5402
5403		/* Next segment. */
5404		segments--;
5405	}
5406
5407	if (!IS_QLA27XX(ha))
5408		return rval;
5409
5410	if (ha->fw_dump_template)
5411		vfree(ha->fw_dump_template);
5412	ha->fw_dump_template = NULL;
5413	ha->fw_dump_template_len = 0;
5414
5415	ql_dbg(ql_dbg_init, vha, 0x0161,
5416	    "Loading fwdump template from %x\n", faddr);
5417	qla24xx_read_flash_data(vha, dcode, faddr, 7);
5418	risc_size = be32_to_cpu(dcode[2]);
5419	ql_dbg(ql_dbg_init, vha, 0x0162,
5420	    "-> array size %x dwords\n", risc_size);
5421	if (risc_size == 0 || risc_size == ~0)
5422		goto default_template;
5423
5424	dlen = (risc_size - 8) * sizeof(*dcode);
5425	ql_dbg(ql_dbg_init, vha, 0x0163,
5426	    "-> template allocating %x bytes...\n", dlen);
5427	ha->fw_dump_template = vmalloc(dlen);
5428	if (!ha->fw_dump_template) {
5429		ql_log(ql_log_warn, vha, 0x0164,
5430		    "Failed fwdump template allocate %x bytes.\n", risc_size);
5431		goto default_template;
5432	}
5433
5434	faddr += 7;
5435	risc_size -= 8;
5436	dcode = ha->fw_dump_template;
5437	qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
5438	for (i = 0; i < risc_size; i++)
5439		dcode[i] = le32_to_cpu(dcode[i]);
5440
5441	if (!qla27xx_fwdt_template_valid(dcode)) {
5442		ql_log(ql_log_warn, vha, 0x0165,
5443		    "Failed fwdump template validate\n");
5444		goto default_template;
5445	}
5446
5447	dlen = qla27xx_fwdt_template_size(dcode);
5448	ql_dbg(ql_dbg_init, vha, 0x0166,
5449	    "-> template size %x bytes\n", dlen);
5450	if (dlen > risc_size * sizeof(*dcode)) {
5451		ql_log(ql_log_warn, vha, 0x0167,
5452		    "Failed fwdump template exceeds array by %x bytes\n",
5453		    (uint32_t)(dlen - risc_size * sizeof(*dcode)));
5454		goto default_template;
5455	}
5456	ha->fw_dump_template_len = dlen;
5457	return rval;
5458
5459default_template:
5460	ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
5461	if (ha->fw_dump_template)
5462		vfree(ha->fw_dump_template);
5463	ha->fw_dump_template = NULL;
5464	ha->fw_dump_template_len = 0;
5465
5466	dlen = qla27xx_fwdt_template_default_size();
5467	ql_dbg(ql_dbg_init, vha, 0x0169,
5468	    "-> template allocating %x bytes...\n", dlen);
5469	ha->fw_dump_template = vmalloc(dlen);
5470	if (!ha->fw_dump_template) {
5471		ql_log(ql_log_warn, vha, 0x016a,
5472		    "Failed fwdump template allocate %x bytes.\n", risc_size);
5473		goto failed_template;
5474	}
5475
5476	dcode = ha->fw_dump_template;
5477	risc_size = dlen / sizeof(*dcode);
5478	memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
5479	for (i = 0; i < risc_size; i++)
5480		dcode[i] = be32_to_cpu(dcode[i]);
5481
5482	if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5483		ql_log(ql_log_warn, vha, 0x016b,
5484		    "Failed fwdump template validate\n");
5485		goto failed_template;
5486	}
5487
5488	dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5489	ql_dbg(ql_dbg_init, vha, 0x016c,
5490	    "-> template size %x bytes\n", dlen);
5491	ha->fw_dump_template_len = dlen;
5492	return rval;
5493
5494failed_template:
5495	ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
5496	if (ha->fw_dump_template)
5497		vfree(ha->fw_dump_template);
5498	ha->fw_dump_template = NULL;
5499	ha->fw_dump_template_len = 0;
5500	return rval;
5501}
5502
5503#define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5504
5505int
5506qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5507{
5508	int	rval;
5509	int	i, fragment;
5510	uint16_t *wcode, *fwcode;
5511	uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5512	struct fw_blob *blob;
5513	struct qla_hw_data *ha = vha->hw;
5514	struct req_que *req = ha->req_q_map[0];
5515
5516	/* Load firmware blob. */
5517	blob = qla2x00_request_firmware(vha);
5518	if (!blob) {
5519		ql_log(ql_log_info, vha, 0x0083,
5520		    "Firmware image unavailable.\n");
5521		ql_log(ql_log_info, vha, 0x0084,
5522		    "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5523		return QLA_FUNCTION_FAILED;
5524	}
5525
5526	rval = QLA_SUCCESS;
5527
5528	wcode = (uint16_t *)req->ring;
5529	*srisc_addr = 0;
5530	fwcode = (uint16_t *)blob->fw->data;
5531	fwclen = 0;
5532
5533	/* Validate firmware image by checking version. */
5534	if (blob->fw->size < 8 * sizeof(uint16_t)) {
5535		ql_log(ql_log_fatal, vha, 0x0085,
5536		    "Unable to verify integrity of firmware image (%Zd).\n",
5537		    blob->fw->size);
5538		goto fail_fw_integrity;
5539	}
5540	for (i = 0; i < 4; i++)
5541		wcode[i] = be16_to_cpu(fwcode[i + 4]);
5542	if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5543	    wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5544		wcode[2] == 0 && wcode[3] == 0)) {
5545		ql_log(ql_log_fatal, vha, 0x0086,
5546		    "Unable to verify integrity of firmware image.\n");
5547		ql_log(ql_log_fatal, vha, 0x0087,
5548		    "Firmware data: %04x %04x %04x %04x.\n",
5549		    wcode[0], wcode[1], wcode[2], wcode[3]);
5550		goto fail_fw_integrity;
5551	}
5552
5553	seg = blob->segs;
5554	while (*seg && rval == QLA_SUCCESS) {
5555		risc_addr = *seg;
5556		*srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5557		risc_size = be16_to_cpu(fwcode[3]);
5558
5559		/* Validate firmware image size. */
5560		fwclen += risc_size * sizeof(uint16_t);
5561		if (blob->fw->size < fwclen) {
5562			ql_log(ql_log_fatal, vha, 0x0088,
5563			    "Unable to verify integrity of firmware image "
5564			    "(%Zd).\n", blob->fw->size);
5565			goto fail_fw_integrity;
5566		}
5567
5568		fragment = 0;
5569		while (risc_size > 0 && rval == QLA_SUCCESS) {
5570			wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5571			if (wlen > risc_size)
5572				wlen = risc_size;
5573			ql_dbg(ql_dbg_init, vha, 0x0089,
5574			    "Loading risc segment@ risc addr %x number of "
5575			    "words 0x%x.\n", risc_addr, wlen);
5576
5577			for (i = 0; i < wlen; i++)
5578				wcode[i] = swab16(fwcode[i]);
5579
5580			rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5581			    wlen);
5582			if (rval) {
5583				ql_log(ql_log_fatal, vha, 0x008a,
5584				    "Failed to load segment %d of firmware.\n",
5585				    fragment);
5586				break;
5587			}
5588
5589			fwcode += wlen;
5590			risc_addr += wlen;
5591			risc_size -= wlen;
5592			fragment++;
5593		}
5594
5595		/* Next segment. */
5596		seg++;
5597	}
5598	return rval;
5599
5600fail_fw_integrity:
5601	return QLA_FUNCTION_FAILED;
5602}
5603
5604static int
5605qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5606{
5607	int	rval;
5608	int	segments, fragment;
5609	uint32_t *dcode, dlen;
5610	uint32_t risc_addr;
5611	uint32_t risc_size;
5612	uint32_t i;
5613	struct fw_blob *blob;
5614	const uint32_t *fwcode;
5615	uint32_t fwclen;
5616	struct qla_hw_data *ha = vha->hw;
5617	struct req_que *req = ha->req_q_map[0];
5618
5619	/* Load firmware blob. */
5620	blob = qla2x00_request_firmware(vha);
5621	if (!blob) {
5622		ql_log(ql_log_warn, vha, 0x0090,
5623		    "Firmware image unavailable.\n");
5624		ql_log(ql_log_warn, vha, 0x0091,
5625		    "Firmware images can be retrieved from: "
5626		    QLA_FW_URL ".\n");
5627
5628		return QLA_FUNCTION_FAILED;
5629	}
5630
5631	ql_dbg(ql_dbg_init, vha, 0x0092,
5632	    "FW: Loading via request-firmware.\n");
5633
5634	rval = QLA_SUCCESS;
5635
5636	segments = FA_RISC_CODE_SEGMENTS;
5637	dcode = (uint32_t *)req->ring;
5638	*srisc_addr = 0;
5639	fwcode = (uint32_t *)blob->fw->data;
5640	fwclen = 0;
5641
5642	/* Validate firmware image by checking version. */
5643	if (blob->fw->size < 8 * sizeof(uint32_t)) {
5644		ql_log(ql_log_fatal, vha, 0x0093,
5645		    "Unable to verify integrity of firmware image (%Zd).\n",
5646		    blob->fw->size);
5647		return QLA_FUNCTION_FAILED;
5648	}
5649	for (i = 0; i < 4; i++)
5650		dcode[i] = be32_to_cpu(fwcode[i + 4]);
5651	if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5652	    dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5653	    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5654		dcode[3] == 0)) {
5655		ql_log(ql_log_fatal, vha, 0x0094,
5656		    "Unable to verify integrity of firmware image (%Zd).\n",
5657		    blob->fw->size);
5658		ql_log(ql_log_fatal, vha, 0x0095,
5659		    "Firmware data: %08x %08x %08x %08x.\n",
5660		    dcode[0], dcode[1], dcode[2], dcode[3]);
5661		return QLA_FUNCTION_FAILED;
5662	}
5663
5664	while (segments && rval == QLA_SUCCESS) {
5665		risc_addr = be32_to_cpu(fwcode[2]);
5666		*srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5667		risc_size = be32_to_cpu(fwcode[3]);
5668
5669		/* Validate firmware image size. */
5670		fwclen += risc_size * sizeof(uint32_t);
5671		if (blob->fw->size < fwclen) {
5672			ql_log(ql_log_fatal, vha, 0x0096,
5673			    "Unable to verify integrity of firmware image "
5674			    "(%Zd).\n", blob->fw->size);
5675			return QLA_FUNCTION_FAILED;
5676		}
5677
5678		fragment = 0;
5679		while (risc_size > 0 && rval == QLA_SUCCESS) {
5680			dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5681			if (dlen > risc_size)
5682				dlen = risc_size;
5683
5684			ql_dbg(ql_dbg_init, vha, 0x0097,
5685			    "Loading risc segment@ risc addr %x "
5686			    "number of dwords 0x%x.\n", risc_addr, dlen);
5687
5688			for (i = 0; i < dlen; i++)
5689				dcode[i] = swab32(fwcode[i]);
5690
5691			rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5692			    dlen);
5693			if (rval) {
5694				ql_log(ql_log_fatal, vha, 0x0098,
5695				    "Failed to load segment %d of firmware.\n",
5696				    fragment);
5697				return QLA_FUNCTION_FAILED;
5698			}
5699
5700			fwcode += dlen;
5701			risc_addr += dlen;
5702			risc_size -= dlen;
5703			fragment++;
5704		}
5705
5706		/* Next segment. */
5707		segments--;
5708	}
5709
5710	if (!IS_QLA27XX(ha))
5711		return rval;
5712
5713	if (ha->fw_dump_template)
5714		vfree(ha->fw_dump_template);
5715	ha->fw_dump_template = NULL;
5716	ha->fw_dump_template_len = 0;
5717
5718	ql_dbg(ql_dbg_init, vha, 0x171,
5719	    "Loading fwdump template from %x\n",
5720	    (uint32_t)((void *)fwcode - (void *)blob->fw->data));
5721	risc_size = be32_to_cpu(fwcode[2]);
5722	ql_dbg(ql_dbg_init, vha, 0x172,
5723	    "-> array size %x dwords\n", risc_size);
5724	if (risc_size == 0 || risc_size == ~0)
5725		goto default_template;
5726
5727	dlen = (risc_size - 8) * sizeof(*fwcode);
5728	ql_dbg(ql_dbg_init, vha, 0x0173,
5729	    "-> template allocating %x bytes...\n", dlen);
5730	ha->fw_dump_template = vmalloc(dlen);
5731	if (!ha->fw_dump_template) {
5732		ql_log(ql_log_warn, vha, 0x0174,
5733		    "Failed fwdump template allocate %x bytes.\n", risc_size);
5734		goto default_template;
5735	}
5736
5737	fwcode += 7;
5738	risc_size -= 8;
5739	dcode = ha->fw_dump_template;
5740	for (i = 0; i < risc_size; i++)
5741		dcode[i] = le32_to_cpu(fwcode[i]);
5742
5743	if (!qla27xx_fwdt_template_valid(dcode)) {
5744		ql_log(ql_log_warn, vha, 0x0175,
5745		    "Failed fwdump template validate\n");
5746		goto default_template;
5747	}
5748
5749	dlen = qla27xx_fwdt_template_size(dcode);
5750	ql_dbg(ql_dbg_init, vha, 0x0176,
5751	    "-> template size %x bytes\n", dlen);
5752	if (dlen > risc_size * sizeof(*fwcode)) {
5753		ql_log(ql_log_warn, vha, 0x0177,
5754		    "Failed fwdump template exceeds array by %x bytes\n",
5755		    (uint32_t)(dlen - risc_size * sizeof(*fwcode)));
5756		goto default_template;
5757	}
5758	ha->fw_dump_template_len = dlen;
5759	return rval;
5760
5761default_template:
5762	ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
5763	if (ha->fw_dump_template)
5764		vfree(ha->fw_dump_template);
5765	ha->fw_dump_template = NULL;
5766	ha->fw_dump_template_len = 0;
5767
5768	dlen = qla27xx_fwdt_template_default_size();
5769	ql_dbg(ql_dbg_init, vha, 0x0179,
5770	    "-> template allocating %x bytes...\n", dlen);
5771	ha->fw_dump_template = vmalloc(dlen);
5772	if (!ha->fw_dump_template) {
5773		ql_log(ql_log_warn, vha, 0x017a,
5774		    "Failed fwdump template allocate %x bytes.\n", risc_size);
5775		goto failed_template;
5776	}
5777
5778	dcode = ha->fw_dump_template;
5779	risc_size = dlen / sizeof(*fwcode);
5780	fwcode = qla27xx_fwdt_template_default();
5781	for (i = 0; i < risc_size; i++)
5782		dcode[i] = be32_to_cpu(fwcode[i]);
5783
5784	if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5785		ql_log(ql_log_warn, vha, 0x017b,
5786		    "Failed fwdump template validate\n");
5787		goto failed_template;
5788	}
5789
5790	dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5791	ql_dbg(ql_dbg_init, vha, 0x017c,
5792	    "-> template size %x bytes\n", dlen);
5793	ha->fw_dump_template_len = dlen;
5794	return rval;
5795
5796failed_template:
5797	ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
5798	if (ha->fw_dump_template)
5799		vfree(ha->fw_dump_template);
5800	ha->fw_dump_template = NULL;
5801	ha->fw_dump_template_len = 0;
5802	return rval;
5803}
5804
5805int
5806qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5807{
5808	int rval;
5809
5810	if (ql2xfwloadbin == 1)
5811		return qla81xx_load_risc(vha, srisc_addr);
5812
5813	/*
5814	 * FW Load priority:
5815	 * 1) Firmware via request-firmware interface (.bin file).
5816	 * 2) Firmware residing in flash.
5817	 */
5818	rval = qla24xx_load_risc_blob(vha, srisc_addr);
5819	if (rval == QLA_SUCCESS)
5820		return rval;
5821
5822	return qla24xx_load_risc_flash(vha, srisc_addr,
5823	    vha->hw->flt_region_fw);
5824}
5825
5826int
5827qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5828{
5829	int rval;
5830	struct qla_hw_data *ha = vha->hw;
5831
5832	if (ql2xfwloadbin == 2)
5833		goto try_blob_fw;
5834
5835	/*
5836	 * FW Load priority:
5837	 * 1) Firmware residing in flash.
5838	 * 2) Firmware via request-firmware interface (.bin file).
5839	 * 3) Golden-Firmware residing in flash -- limited operation.
5840	 */
5841	rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5842	if (rval == QLA_SUCCESS)
5843		return rval;
5844
5845try_blob_fw:
5846	rval = qla24xx_load_risc_blob(vha, srisc_addr);
5847	if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5848		return rval;
5849
5850	ql_log(ql_log_info, vha, 0x0099,
5851	    "Attempting to fallback to golden firmware.\n");
5852	rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5853	if (rval != QLA_SUCCESS)
5854		return rval;
5855
5856	ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5857	ha->flags.running_gold_fw = 1;
5858	return rval;
5859}
5860
5861void
5862qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5863{
5864	int ret, retries;
5865	struct qla_hw_data *ha = vha->hw;
5866
5867	if (ha->flags.pci_channel_io_perm_failure)
5868		return;
5869	if (!IS_FWI2_CAPABLE(ha))
5870		return;
5871	if (!ha->fw_major_version)
5872		return;
5873
5874	ret = qla2x00_stop_firmware(vha);
5875	for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5876	    ret != QLA_INVALID_COMMAND && retries ; retries--) {
5877		ha->isp_ops->reset_chip(vha);
5878		if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5879			continue;
5880		if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5881			continue;
5882		ql_log(ql_log_info, vha, 0x8015,
5883		    "Attempting retry of stop-firmware command.\n");
5884		ret = qla2x00_stop_firmware(vha);
5885	}
5886}
5887
5888int
5889qla24xx_configure_vhba(scsi_qla_host_t *vha)
5890{
5891	int rval = QLA_SUCCESS;
5892	int rval2;
5893	uint16_t mb[MAILBOX_REGISTER_COUNT];
5894	struct qla_hw_data *ha = vha->hw;
5895	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5896	struct req_que *req;
5897	struct rsp_que *rsp;
5898
5899	if (!vha->vp_idx)
5900		return -EINVAL;
5901
5902	rval = qla2x00_fw_ready(base_vha);
5903	if (ha->flags.cpu_affinity_enabled)
5904		req = ha->req_q_map[0];
5905	else
5906		req = vha->req;
5907	rsp = req->rsp;
5908
5909	if (rval == QLA_SUCCESS) {
5910		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5911		qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5912	}
5913
5914	vha->flags.management_server_logged_in = 0;
5915
5916	/* Login to SNS first */
5917	rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5918	    BIT_1);
5919	if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5920		if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5921			ql_dbg(ql_dbg_init, vha, 0x0120,
5922			    "Failed SNS login: loop_id=%x, rval2=%d\n",
5923			    NPH_SNS, rval2);
5924		else
5925			ql_dbg(ql_dbg_init, vha, 0x0103,
5926			    "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5927			    "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5928			    NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5929		return (QLA_FUNCTION_FAILED);
5930	}
5931
5932	atomic_set(&vha->loop_down_timer, 0);
5933	atomic_set(&vha->loop_state, LOOP_UP);
5934	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5935	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5936	rval = qla2x00_loop_resync(base_vha);
5937
5938	return rval;
5939}
5940
5941/* 84XX Support **************************************************************/
5942
5943static LIST_HEAD(qla_cs84xx_list);
5944static DEFINE_MUTEX(qla_cs84xx_mutex);
5945
5946static struct qla_chip_state_84xx *
5947qla84xx_get_chip(struct scsi_qla_host *vha)
5948{
5949	struct qla_chip_state_84xx *cs84xx;
5950	struct qla_hw_data *ha = vha->hw;
5951
5952	mutex_lock(&qla_cs84xx_mutex);
5953
5954	/* Find any shared 84xx chip. */
5955	list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5956		if (cs84xx->bus == ha->pdev->bus) {
5957			kref_get(&cs84xx->kref);
5958			goto done;
5959		}
5960	}
5961
5962	cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5963	if (!cs84xx)
5964		goto done;
5965
5966	kref_init(&cs84xx->kref);
5967	spin_lock_init(&cs84xx->access_lock);
5968	mutex_init(&cs84xx->fw_update_mutex);
5969	cs84xx->bus = ha->pdev->bus;
5970
5971	list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5972done:
5973	mutex_unlock(&qla_cs84xx_mutex);
5974	return cs84xx;
5975}
5976
5977static void
5978__qla84xx_chip_release(struct kref *kref)
5979{
5980	struct qla_chip_state_84xx *cs84xx =
5981	    container_of(kref, struct qla_chip_state_84xx, kref);
5982
5983	mutex_lock(&qla_cs84xx_mutex);
5984	list_del(&cs84xx->list);
5985	mutex_unlock(&qla_cs84xx_mutex);
5986	kfree(cs84xx);
5987}
5988
5989void
5990qla84xx_put_chip(struct scsi_qla_host *vha)
5991{
5992	struct qla_hw_data *ha = vha->hw;
5993	if (ha->cs84xx)
5994		kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5995}
5996
5997static int
5998qla84xx_init_chip(scsi_qla_host_t *vha)
5999{
6000	int rval;
6001	uint16_t status[2];
6002	struct qla_hw_data *ha = vha->hw;
6003
6004	mutex_lock(&ha->cs84xx->fw_update_mutex);
6005
6006	rval = qla84xx_verify_chip(vha, status);
6007
6008	mutex_unlock(&ha->cs84xx->fw_update_mutex);
6009
6010	return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
6011	    QLA_SUCCESS;
6012}
6013
6014/* 81XX Support **************************************************************/
6015
6016int
6017qla81xx_nvram_config(scsi_qla_host_t *vha)
6018{
6019	int   rval;
6020	struct init_cb_81xx *icb;
6021	struct nvram_81xx *nv;
6022	uint32_t *dptr;
6023	uint8_t  *dptr1, *dptr2;
6024	uint32_t chksum;
6025	uint16_t cnt;
6026	struct qla_hw_data *ha = vha->hw;
6027
6028	rval = QLA_SUCCESS;
6029	icb = (struct init_cb_81xx *)ha->init_cb;
6030	nv = ha->nvram;
6031
6032	/* Determine NVRAM starting address. */
6033	ha->nvram_size = sizeof(struct nvram_81xx);
6034	ha->vpd_size = FA_NVRAM_VPD_SIZE;
6035	if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
6036		ha->vpd_size = FA_VPD_SIZE_82XX;
6037
6038	/* Get VPD data into cache */
6039	ha->vpd = ha->nvram + VPD_OFFSET;
6040	ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
6041	    ha->vpd_size);
6042
6043	/* Get NVRAM data into cache and calculate checksum. */
6044	ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
6045	    ha->nvram_size);
6046	dptr = (uint32_t *)nv;
6047	for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
6048		chksum += le32_to_cpu(*dptr++);
6049
6050	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
6051	    "Contents of NVRAM:\n");
6052	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
6053	    (uint8_t *)nv, ha->nvram_size);
6054
6055	/* Bad NVRAM data, set defaults parameters. */
6056	if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
6057	    || nv->id[3] != ' ' ||
6058	    nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
6059		/* Reset NVRAM data. */
6060		ql_log(ql_log_info, vha, 0x0073,
6061		    "Inconsistent NVRAM detected: checksum=0x%x id=%c "
6062		    "version=0x%x.\n", chksum, nv->id[0],
6063		    le16_to_cpu(nv->nvram_version));
6064		ql_log(ql_log_info, vha, 0x0074,
6065		    "Falling back to functioning (yet invalid -- WWPN) "
6066		    "defaults.\n");
6067
6068		/*
6069		 * Set default initialization control block.
6070		 */
6071		memset(nv, 0, ha->nvram_size);
6072		nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
6073		nv->version = __constant_cpu_to_le16(ICB_VERSION);
6074		nv->frame_payload_size = 2048;
6075		nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
6076		nv->exchange_count = __constant_cpu_to_le16(0);
6077		nv->port_name[0] = 0x21;
6078		nv->port_name[1] = 0x00 + ha->port_no + 1;
6079		nv->port_name[2] = 0x00;
6080		nv->port_name[3] = 0xe0;
6081		nv->port_name[4] = 0x8b;
6082		nv->port_name[5] = 0x1c;
6083		nv->port_name[6] = 0x55;
6084		nv->port_name[7] = 0x86;
6085		nv->node_name[0] = 0x20;
6086		nv->node_name[1] = 0x00;
6087		nv->node_name[2] = 0x00;
6088		nv->node_name[3] = 0xe0;
6089		nv->node_name[4] = 0x8b;
6090		nv->node_name[5] = 0x1c;
6091		nv->node_name[6] = 0x55;
6092		nv->node_name[7] = 0x86;
6093		nv->login_retry_count = __constant_cpu_to_le16(8);
6094		nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
6095		nv->login_timeout = __constant_cpu_to_le16(0);
6096		nv->firmware_options_1 =
6097		    __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
6098		nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
6099		nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
6100		nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
6101		nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
6102		nv->efi_parameters = __constant_cpu_to_le32(0);
6103		nv->reset_delay = 5;
6104		nv->max_luns_per_target = __constant_cpu_to_le16(128);
6105		nv->port_down_retry_count = __constant_cpu_to_le16(30);
6106		nv->link_down_timeout = __constant_cpu_to_le16(180);
6107		nv->enode_mac[0] = 0x00;
6108		nv->enode_mac[1] = 0xC0;
6109		nv->enode_mac[2] = 0xDD;
6110		nv->enode_mac[3] = 0x04;
6111		nv->enode_mac[4] = 0x05;
6112		nv->enode_mac[5] = 0x06 + ha->port_no + 1;
6113
6114		rval = 1;
6115	}
6116
6117	if (IS_T10_PI_CAPABLE(ha))
6118		nv->frame_payload_size &= ~7;
6119
6120	qlt_81xx_config_nvram_stage1(vha, nv);
6121
6122	/* Reset Initialization control block */
6123	memset(icb, 0, ha->init_cb_size);
6124
6125	/* Copy 1st segment. */
6126	dptr1 = (uint8_t *)icb;
6127	dptr2 = (uint8_t *)&nv->version;
6128	cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
6129	while (cnt--)
6130		*dptr1++ = *dptr2++;
6131
6132	icb->login_retry_count = nv->login_retry_count;
6133
6134	/* Copy 2nd segment. */
6135	dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
6136	dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
6137	cnt = (uint8_t *)&icb->reserved_5 -
6138	    (uint8_t *)&icb->interrupt_delay_timer;
6139	while (cnt--)
6140		*dptr1++ = *dptr2++;
6141
6142	memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
6143	/* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
6144	if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
6145		icb->enode_mac[0] = 0x00;
6146		icb->enode_mac[1] = 0xC0;
6147		icb->enode_mac[2] = 0xDD;
6148		icb->enode_mac[3] = 0x04;
6149		icb->enode_mac[4] = 0x05;
6150		icb->enode_mac[5] = 0x06 + ha->port_no + 1;
6151	}
6152
6153	/* Use extended-initialization control block. */
6154	memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
6155
6156	/*
6157	 * Setup driver NVRAM options.
6158	 */
6159	qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6160	    "QLE8XXX");
6161
6162	qlt_81xx_config_nvram_stage2(vha, icb);
6163
6164	/* Use alternate WWN? */
6165	if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
6166		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6167		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6168	}
6169
6170	/* Prepare nodename */
6171	if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
6172		/*
6173		 * Firmware will apply the following mask if the nodename was
6174		 * not provided.
6175		 */
6176		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6177		icb->node_name[0] &= 0xF0;
6178	}
6179
6180	/* Set host adapter parameters. */
6181	ha->flags.disable_risc_code_load = 0;
6182	ha->flags.enable_lip_reset = 0;
6183	ha->flags.enable_lip_full_login =
6184	    le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6185	ha->flags.enable_target_reset =
6186	    le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6187	ha->flags.enable_led_scheme = 0;
6188	ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6189
6190	ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6191	    (BIT_6 | BIT_5 | BIT_4)) >> 4;
6192
6193	/* save HBA serial number */
6194	ha->serial0 = icb->port_name[5];
6195	ha->serial1 = icb->port_name[6];
6196	ha->serial2 = icb->port_name[7];
6197	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6198	memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6199
6200	icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
6201
6202	ha->retry_count = le16_to_cpu(nv->login_retry_count);
6203
6204	/* Set minimum login_timeout to 4 seconds. */
6205	if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6206		nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6207	if (le16_to_cpu(nv->login_timeout) < 4)
6208		nv->login_timeout = __constant_cpu_to_le16(4);
6209	ha->login_timeout = le16_to_cpu(nv->login_timeout);
6210	icb->login_timeout = nv->login_timeout;
6211
6212	/* Set minimum RATOV to 100 tenths of a second. */
6213	ha->r_a_tov = 100;
6214
6215	ha->loop_reset_delay = nv->reset_delay;
6216
6217	/* Link Down Timeout = 0:
6218	 *
6219	 *	When Port Down timer expires we will start returning
6220	 *	I/O's to OS with "DID_NO_CONNECT".
6221	 *
6222	 * Link Down Timeout != 0:
6223	 *
6224	 *	 The driver waits for the link to come up after link down
6225	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
6226	 */
6227	if (le16_to_cpu(nv->link_down_timeout) == 0) {
6228		ha->loop_down_abort_time =
6229		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6230	} else {
6231		ha->link_down_timeout =	le16_to_cpu(nv->link_down_timeout);
6232		ha->loop_down_abort_time =
6233		    (LOOP_DOWN_TIME - ha->link_down_timeout);
6234	}
6235
6236	/* Need enough time to try and get the port back. */
6237	ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6238	if (qlport_down_retry)
6239		ha->port_down_retry_count = qlport_down_retry;
6240
6241	/* Set login_retry_count */
6242	ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6243	if (ha->port_down_retry_count ==
6244	    le16_to_cpu(nv->port_down_retry_count) &&
6245	    ha->port_down_retry_count > 3)
6246		ha->login_retry_count = ha->port_down_retry_count;
6247	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6248		ha->login_retry_count = ha->port_down_retry_count;
6249	if (ql2xloginretrycount)
6250		ha->login_retry_count = ql2xloginretrycount;
6251
6252	/* if not running MSI-X we need handshaking on interrupts */
6253	if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
6254		icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22);
6255
6256	/* Enable ZIO. */
6257	if (!vha->flags.init_done) {
6258		ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6259		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6260		ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6261		    le16_to_cpu(icb->interrupt_delay_timer): 2;
6262	}
6263	icb->firmware_options_2 &= __constant_cpu_to_le32(
6264	    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6265	vha->flags.process_response_queue = 0;
6266	if (ha->zio_mode != QLA_ZIO_DISABLED) {
6267		ha->zio_mode = QLA_ZIO_MODE_6;
6268
6269		ql_log(ql_log_info, vha, 0x0075,
6270		    "ZIO mode %d enabled; timer delay (%d us).\n",
6271		    ha->zio_mode,
6272		    ha->zio_timer * 100);
6273
6274		icb->firmware_options_2 |= cpu_to_le32(
6275		    (uint32_t)ha->zio_mode);
6276		icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6277		vha->flags.process_response_queue = 1;
6278	}
6279
6280	if (rval) {
6281		ql_log(ql_log_warn, vha, 0x0076,
6282		    "NVRAM configuration failed.\n");
6283	}
6284	return (rval);
6285}
6286
6287int
6288qla82xx_restart_isp(scsi_qla_host_t *vha)
6289{
6290	int status, rval;
6291	struct qla_hw_data *ha = vha->hw;
6292	struct req_que *req = ha->req_q_map[0];
6293	struct rsp_que *rsp = ha->rsp_q_map[0];
6294	struct scsi_qla_host *vp;
6295	unsigned long flags;
6296
6297	status = qla2x00_init_rings(vha);
6298	if (!status) {
6299		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6300		ha->flags.chip_reset_done = 1;
6301
6302		status = qla2x00_fw_ready(vha);
6303		if (!status) {
6304			/* Issue a marker after FW becomes ready. */
6305			qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6306			vha->flags.online = 1;
6307			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6308		}
6309
6310		/* if no cable then assume it's good */
6311		if ((vha->device_flags & DFLG_NO_CABLE))
6312			status = 0;
6313	}
6314
6315	if (!status) {
6316		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6317
6318		if (!atomic_read(&vha->loop_down_timer)) {
6319			/*
6320			 * Issue marker command only when we are going
6321			 * to start the I/O .
6322			 */
6323			vha->marker_needed = 1;
6324		}
6325
6326		ha->isp_ops->enable_intrs(ha);
6327
6328		ha->isp_abort_cnt = 0;
6329		clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6330
6331		/* Update the firmware version */
6332		status = qla82xx_check_md_needed(vha);
6333
6334		if (ha->fce) {
6335			ha->flags.fce_enabled = 1;
6336			memset(ha->fce, 0,
6337			    fce_calc_size(ha->fce_bufs));
6338			rval = qla2x00_enable_fce_trace(vha,
6339			    ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6340			    &ha->fce_bufs);
6341			if (rval) {
6342				ql_log(ql_log_warn, vha, 0x8001,
6343				    "Unable to reinitialize FCE (%d).\n",
6344				    rval);
6345				ha->flags.fce_enabled = 0;
6346			}
6347		}
6348
6349		if (ha->eft) {
6350			memset(ha->eft, 0, EFT_SIZE);
6351			rval = qla2x00_enable_eft_trace(vha,
6352			    ha->eft_dma, EFT_NUM_BUFFERS);
6353			if (rval) {
6354				ql_log(ql_log_warn, vha, 0x8010,
6355				    "Unable to reinitialize EFT (%d).\n",
6356				    rval);
6357			}
6358		}
6359	}
6360
6361	if (!status) {
6362		ql_dbg(ql_dbg_taskm, vha, 0x8011,
6363		    "qla82xx_restart_isp succeeded.\n");
6364
6365		spin_lock_irqsave(&ha->vport_slock, flags);
6366		list_for_each_entry(vp, &ha->vp_list, list) {
6367			if (vp->vp_idx) {
6368				atomic_inc(&vp->vref_count);
6369				spin_unlock_irqrestore(&ha->vport_slock, flags);
6370
6371				qla2x00_vp_abort_isp(vp);
6372
6373				spin_lock_irqsave(&ha->vport_slock, flags);
6374				atomic_dec(&vp->vref_count);
6375			}
6376		}
6377		spin_unlock_irqrestore(&ha->vport_slock, flags);
6378
6379	} else {
6380		ql_log(ql_log_warn, vha, 0x8016,
6381		    "qla82xx_restart_isp **** FAILED ****.\n");
6382	}
6383
6384	return status;
6385}
6386
6387void
6388qla81xx_update_fw_options(scsi_qla_host_t *vha)
6389{
6390	struct qla_hw_data *ha = vha->hw;
6391
6392	if (!ql2xetsenable)
6393		return;
6394
6395	/* Enable ETS Burst. */
6396	memset(ha->fw_options, 0, sizeof(ha->fw_options));
6397	ha->fw_options[2] |= BIT_9;
6398	qla2x00_set_fw_options(vha, ha->fw_options);
6399}
6400
6401/*
6402 * qla24xx_get_fcp_prio
6403 *	Gets the fcp cmd priority value for the logged in port.
6404 *	Looks for a match of the port descriptors within
6405 *	each of the fcp prio config entries. If a match is found,
6406 *	the tag (priority) value is returned.
6407 *
6408 * Input:
6409 *	vha = scsi host structure pointer.
6410 *	fcport = port structure pointer.
6411 *
6412 * Return:
6413 *	non-zero (if found)
6414 *	-1 (if not found)
6415 *
6416 * Context:
6417 * 	Kernel context
6418 */
6419static int
6420qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6421{
6422	int i, entries;
6423	uint8_t pid_match, wwn_match;
6424	int priority;
6425	uint32_t pid1, pid2;
6426	uint64_t wwn1, wwn2;
6427	struct qla_fcp_prio_entry *pri_entry;
6428	struct qla_hw_data *ha = vha->hw;
6429
6430	if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
6431		return -1;
6432
6433	priority = -1;
6434	entries = ha->fcp_prio_cfg->num_entries;
6435	pri_entry = &ha->fcp_prio_cfg->entry[0];
6436
6437	for (i = 0; i < entries; i++) {
6438		pid_match = wwn_match = 0;
6439
6440		if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
6441			pri_entry++;
6442			continue;
6443		}
6444
6445		/* check source pid for a match */
6446		if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
6447			pid1 = pri_entry->src_pid & INVALID_PORT_ID;
6448			pid2 = vha->d_id.b24 & INVALID_PORT_ID;
6449			if (pid1 == INVALID_PORT_ID)
6450				pid_match++;
6451			else if (pid1 == pid2)
6452				pid_match++;
6453		}
6454
6455		/* check destination pid for a match */
6456		if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
6457			pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
6458			pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
6459			if (pid1 == INVALID_PORT_ID)
6460				pid_match++;
6461			else if (pid1 == pid2)
6462				pid_match++;
6463		}
6464
6465		/* check source WWN for a match */
6466		if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6467			wwn1 = wwn_to_u64(vha->port_name);
6468			wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6469			if (wwn2 == (uint64_t)-1)
6470				wwn_match++;
6471			else if (wwn1 == wwn2)
6472				wwn_match++;
6473		}
6474
6475		/* check destination WWN for a match */
6476		if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6477			wwn1 = wwn_to_u64(fcport->port_name);
6478			wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6479			if (wwn2 == (uint64_t)-1)
6480				wwn_match++;
6481			else if (wwn1 == wwn2)
6482				wwn_match++;
6483		}
6484
6485		if (pid_match == 2 || wwn_match == 2) {
6486			/* Found a matching entry */
6487			if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6488				priority = pri_entry->tag;
6489			break;
6490		}
6491
6492		pri_entry++;
6493	}
6494
6495	return priority;
6496}
6497
6498/*
6499 * qla24xx_update_fcport_fcp_prio
6500 *	Activates fcp priority for the logged in fc port
6501 *
6502 * Input:
6503 *	vha = scsi host structure pointer.
6504 *	fcp = port structure pointer.
6505 *
6506 * Return:
6507 *	QLA_SUCCESS or QLA_FUNCTION_FAILED
6508 *
6509 * Context:
6510 *	Kernel context.
6511 */
6512int
6513qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6514{
6515	int ret;
6516	int priority;
6517	uint16_t mb[5];
6518
6519	if (fcport->port_type != FCT_TARGET ||
6520	    fcport->loop_id == FC_NO_LOOP_ID)
6521		return QLA_FUNCTION_FAILED;
6522
6523	priority = qla24xx_get_fcp_prio(vha, fcport);
6524	if (priority < 0)
6525		return QLA_FUNCTION_FAILED;
6526
6527	if (IS_P3P_TYPE(vha->hw)) {
6528		fcport->fcp_prio = priority & 0xf;
6529		return QLA_SUCCESS;
6530	}
6531
6532	ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6533	if (ret == QLA_SUCCESS) {
6534		if (fcport->fcp_prio != priority)
6535			ql_dbg(ql_dbg_user, vha, 0x709e,
6536			    "Updated FCP_CMND priority - value=%d loop_id=%d "
6537			    "port_id=%02x%02x%02x.\n", priority,
6538			    fcport->loop_id, fcport->d_id.b.domain,
6539			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
6540		fcport->fcp_prio = priority & 0xf;
6541	} else
6542		ql_dbg(ql_dbg_user, vha, 0x704f,
6543		    "Unable to update FCP_CMND priority - ret=0x%x for "
6544		    "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6545		    fcport->d_id.b.domain, fcport->d_id.b.area,
6546		    fcport->d_id.b.al_pa);
6547	return  ret;
6548}
6549
6550/*
6551 * qla24xx_update_all_fcp_prio
6552 *	Activates fcp priority for all the logged in ports
6553 *
6554 * Input:
6555 *	ha = adapter block pointer.
6556 *
6557 * Return:
6558 *	QLA_SUCCESS or QLA_FUNCTION_FAILED
6559 *
6560 * Context:
6561 *	Kernel context.
6562 */
6563int
6564qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6565{
6566	int ret;
6567	fc_port_t *fcport;
6568
6569	ret = QLA_FUNCTION_FAILED;
6570	/* We need to set priority for all logged in ports */
6571	list_for_each_entry(fcport, &vha->vp_fcports, list)
6572		ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6573
6574	return ret;
6575}
6576