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usb-xhci: Handle COMP_TX_ERR for isoc tds
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / scsi / qla2xxx / qla_init.c
blobb2df2f9097b1ecab08d9d255abfe87496ae0c3f9
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2011 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 /*
21 * QLogic ISP2x00 Hardware Support Function Prototypes.
22 */
23 static int qla2x00_isp_firmware(scsi_qla_host_t *);
24 static int qla2x00_setup_chip(scsi_qla_host_t *);
25 static int qla2x00_init_rings(scsi_qla_host_t *);
26 static int qla2x00_fw_ready(scsi_qla_host_t *);
27 static int qla2x00_configure_hba(scsi_qla_host_t *);
28 static int qla2x00_configure_loop(scsi_qla_host_t *);
29 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
30 static int qla2x00_configure_fabric(scsi_qla_host_t *);
31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
32 static int qla2x00_device_resync(scsi_qla_host_t *);
33 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
34 uint16_t *);
35
36 static int qla2x00_restart_isp(scsi_qla_host_t *);
37
38 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
39 static int qla84xx_init_chip(scsi_qla_host_t *);
40 static int qla25xx_init_queues(struct qla_hw_data *);
41
42 /* SRB Extensions ---------------------------------------------------------- */
43
44 static void
45 qla2x00_ctx_sp_timeout(unsigned long __data)
46 {
47 srb_t *sp = (srb_t *)__data;
48 struct srb_ctx *ctx;
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 ctx = sp->ctx;
59 iocb = ctx->u.iocb_cmd;
60 iocb->timeout(sp);
61 iocb->free(sp);
62 spin_unlock_irqrestore(&ha->hardware_lock, flags);
63 }
64
65 static void
66 qla2x00_ctx_sp_free(srb_t *sp)
67 {
68 struct srb_ctx *ctx = sp->ctx;
69 struct srb_iocb *iocb = ctx->u.iocb_cmd;
70 struct scsi_qla_host *vha = sp->fcport->vha;
71
72 del_timer(&iocb->timer);
73 kfree(iocb);
74 kfree(ctx);
75 mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
76
77 QLA_VHA_MARK_NOT_BUSY(vha);
78 }
79
80 inline srb_t *
81 qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
82 unsigned long tmo)
83 {
84 srb_t *sp = NULL;
85 struct qla_hw_data *ha = vha->hw;
86 struct srb_ctx *ctx;
87 struct srb_iocb *iocb;
88 uint8_t bail;
89
90 QLA_VHA_MARK_BUSY(vha, bail);
91 if (bail)
92 return NULL;
93
94 sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
95 if (!sp)
96 goto done;
97 ctx = kzalloc(size, GFP_KERNEL);
98 if (!ctx) {
99 mempool_free(sp, ha->srb_mempool);
100 sp = NULL;
101 goto done;
102 }
103 iocb = kzalloc(sizeof(struct srb_iocb), GFP_KERNEL);
104 if (!iocb) {
105 mempool_free(sp, ha->srb_mempool);
106 sp = NULL;
107 kfree(ctx);
108 goto done;
109 }
110
111 memset(sp, 0, sizeof(*sp));
112 sp->fcport = fcport;
113 sp->ctx = ctx;
114 ctx->u.iocb_cmd = iocb;
115 iocb->free = qla2x00_ctx_sp_free;
116
117 init_timer(&iocb->timer);
118 if (!tmo)
119 goto done;
120 iocb->timer.expires = jiffies + tmo * HZ;
121 iocb->timer.data = (unsigned long)sp;
122 iocb->timer.function = qla2x00_ctx_sp_timeout;
123 add_timer(&iocb->timer);
124 done:
125 if (!sp)
126 QLA_VHA_MARK_NOT_BUSY(vha);
127 return sp;
128 }
129
130 /* Asynchronous Login/Logout Routines -------------------------------------- */
131
132 static inline unsigned long
133 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
134 {
135 unsigned long tmo;
136 struct qla_hw_data *ha = vha->hw;
137
138 /* Firmware should use switch negotiated r_a_tov for timeout. */
139 tmo = ha->r_a_tov / 10 * 2;
140 if (!IS_FWI2_CAPABLE(ha)) {
141 /*
142 * Except for earlier ISPs where the timeout is seeded from the
143 * initialization control block.
144 */
145 tmo = ha->login_timeout;
146 }
147 return tmo;
148 }
149
150 static void
151 qla2x00_async_iocb_timeout(srb_t *sp)
152 {
153 fc_port_t *fcport = sp->fcport;
154 struct srb_ctx *ctx = sp->ctx;
155
156 DEBUG2(printk(KERN_WARNING
157 "scsi(%ld:%x): Async-%s timeout - portid=%02x%02x%02x.\n",
158 fcport->vha->host_no, sp->handle,
159 ctx->name, fcport->d_id.b.domain,
160 fcport->d_id.b.area, fcport->d_id.b.al_pa));
161
162 fcport->flags &= ~FCF_ASYNC_SENT;
163 if (ctx->type == SRB_LOGIN_CMD) {
164 struct srb_iocb *lio = ctx->u.iocb_cmd;
165 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
166 /* Retry as needed. */
167 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
168 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
169 QLA_LOGIO_LOGIN_RETRIED : 0;
170 qla2x00_post_async_login_done_work(fcport->vha, fcport,
171 lio->u.logio.data);
172 }
173 }
174
175 static void
176 qla2x00_async_login_ctx_done(srb_t *sp)
177 {
178 struct srb_ctx *ctx = sp->ctx;
179 struct srb_iocb *lio = ctx->u.iocb_cmd;
180
181 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
182 lio->u.logio.data);
183 lio->free(sp);
184 }
185
186 int
187 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
188 uint16_t *data)
189 {
190 srb_t *sp;
191 struct srb_ctx *ctx;
192 struct srb_iocb *lio;
193 int rval;
194
195 rval = QLA_FUNCTION_FAILED;
196 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
197 qla2x00_get_async_timeout(vha) + 2);
198 if (!sp)
199 goto done;
200
201 ctx = sp->ctx;
202 ctx->type = SRB_LOGIN_CMD;
203 ctx->name = "login";
204 lio = ctx->u.iocb_cmd;
205 lio->timeout = qla2x00_async_iocb_timeout;
206 lio->done = qla2x00_async_login_ctx_done;
207 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
208 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
209 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
210 rval = qla2x00_start_sp(sp);
211 if (rval != QLA_SUCCESS)
212 goto done_free_sp;
213
214 DEBUG2(printk(KERN_DEBUG
215 "scsi(%ld:%x): Async-login - loop-id=%x portid=%02x%02x%02x "
216 "retries=%d.\n", fcport->vha->host_no, sp->handle, fcport->loop_id,
217 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
218 fcport->login_retry));
219 return rval;
220
221 done_free_sp:
222 lio->free(sp);
223 done:
224 return rval;
225 }
226
227 static void
228 qla2x00_async_logout_ctx_done(srb_t *sp)
229 {
230 struct srb_ctx *ctx = sp->ctx;
231 struct srb_iocb *lio = ctx->u.iocb_cmd;
232
233 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
234 lio->u.logio.data);
235 lio->free(sp);
236 }
237
238 int
239 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
240 {
241 srb_t *sp;
242 struct srb_ctx *ctx;
243 struct srb_iocb *lio;
244 int rval;
245
246 rval = QLA_FUNCTION_FAILED;
247 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
248 qla2x00_get_async_timeout(vha) + 2);
249 if (!sp)
250 goto done;
251
252 ctx = sp->ctx;
253 ctx->type = SRB_LOGOUT_CMD;
254 ctx->name = "logout";
255 lio = ctx->u.iocb_cmd;
256 lio->timeout = qla2x00_async_iocb_timeout;
257 lio->done = qla2x00_async_logout_ctx_done;
258 rval = qla2x00_start_sp(sp);
259 if (rval != QLA_SUCCESS)
260 goto done_free_sp;
261
262 DEBUG2(printk(KERN_DEBUG
263 "scsi(%ld:%x): Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
264 fcport->vha->host_no, sp->handle, fcport->loop_id,
265 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
266 return rval;
267
268 done_free_sp:
269 lio->free(sp);
270 done:
271 return rval;
272 }
273
274 static void
275 qla2x00_async_adisc_ctx_done(srb_t *sp)
276 {
277 struct srb_ctx *ctx = sp->ctx;
278 struct srb_iocb *lio = ctx->u.iocb_cmd;
279
280 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
281 lio->u.logio.data);
282 lio->free(sp);
283 }
284
285 int
286 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
287 uint16_t *data)
288 {
289 srb_t *sp;
290 struct srb_ctx *ctx;
291 struct srb_iocb *lio;
292 int rval;
293
294 rval = QLA_FUNCTION_FAILED;
295 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
296 qla2x00_get_async_timeout(vha) + 2);
297 if (!sp)
298 goto done;
299
300 ctx = sp->ctx;
301 ctx->type = SRB_ADISC_CMD;
302 ctx->name = "adisc";
303 lio = ctx->u.iocb_cmd;
304 lio->timeout = qla2x00_async_iocb_timeout;
305 lio->done = qla2x00_async_adisc_ctx_done;
306 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
307 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
308 rval = qla2x00_start_sp(sp);
309 if (rval != QLA_SUCCESS)
310 goto done_free_sp;
311
312 DEBUG2(printk(KERN_DEBUG
313 "scsi(%ld:%x): Async-adisc - loop-id=%x portid=%02x%02x%02x.\n",
314 fcport->vha->host_no, sp->handle, fcport->loop_id,
315 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
316
317 return rval;
318
319 done_free_sp:
320 lio->free(sp);
321 done:
322 return rval;
323 }
324
325 static void
326 qla2x00_async_tm_cmd_ctx_done(srb_t *sp)
327 {
328 struct srb_ctx *ctx = sp->ctx;
329 struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
330
331 qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb);
332 iocb->free(sp);
333 }
334
335 int
336 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
337 uint32_t tag)
338 {
339 struct scsi_qla_host *vha = fcport->vha;
340 srb_t *sp;
341 struct srb_ctx *ctx;
342 struct srb_iocb *tcf;
343 int rval;
344
345 rval = QLA_FUNCTION_FAILED;
346 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
347 qla2x00_get_async_timeout(vha) + 2);
348 if (!sp)
349 goto done;
350
351 ctx = sp->ctx;
352 ctx->type = SRB_TM_CMD;
353 ctx->name = "tmf";
354 tcf = ctx->u.iocb_cmd;
355 tcf->u.tmf.flags = flags;
356 tcf->u.tmf.lun = lun;
357 tcf->u.tmf.data = tag;
358 tcf->timeout = qla2x00_async_iocb_timeout;
359 tcf->done = qla2x00_async_tm_cmd_ctx_done;
360
361 rval = qla2x00_start_sp(sp);
362 if (rval != QLA_SUCCESS)
363 goto done_free_sp;
364
365 DEBUG2(printk(KERN_DEBUG
366 "scsi(%ld:%x): Async-tmf - loop-id=%x portid=%02x%02x%02x.\n",
367 fcport->vha->host_no, sp->handle, fcport->loop_id,
368 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
369
370 return rval;
371
372 done_free_sp:
373 tcf->free(sp);
374 done:
375 return rval;
376 }
377
378 void
379 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
380 uint16_t *data)
381 {
382 int rval;
383
384 switch (data[0]) {
385 case MBS_COMMAND_COMPLETE:
386 /*
387 * Driver must validate login state - If PRLI not complete,
388 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
389 * requests.
390 */
391 rval = qla2x00_get_port_database(vha, fcport, 0);
392 if (rval != QLA_SUCCESS) {
393 qla2x00_post_async_logout_work(vha, fcport, NULL);
394 qla2x00_post_async_login_work(vha, fcport, NULL);
395 break;
396 }
397 if (fcport->flags & FCF_FCP2_DEVICE) {
398 qla2x00_post_async_adisc_work(vha, fcport, data);
399 break;
400 }
401 qla2x00_update_fcport(vha, fcport);
402 break;
403 case MBS_COMMAND_ERROR:
404 fcport->flags &= ~FCF_ASYNC_SENT;
405 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
406 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
407 else
408 qla2x00_mark_device_lost(vha, fcport, 1, 0);
409 break;
410 case MBS_PORT_ID_USED:
411 fcport->loop_id = data[1];
412 qla2x00_post_async_logout_work(vha, fcport, NULL);
413 qla2x00_post_async_login_work(vha, fcport, NULL);
414 break;
415 case MBS_LOOP_ID_USED:
416 fcport->loop_id++;
417 rval = qla2x00_find_new_loop_id(vha, fcport);
418 if (rval != QLA_SUCCESS) {
419 fcport->flags &= ~FCF_ASYNC_SENT;
420 qla2x00_mark_device_lost(vha, fcport, 1, 0);
421 break;
422 }
423 qla2x00_post_async_login_work(vha, fcport, NULL);
424 break;
425 }
426 return;
427 }
428
429 void
430 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
431 uint16_t *data)
432 {
433 qla2x00_mark_device_lost(vha, fcport, 1, 0);
434 return;
435 }
436
437 void
438 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
439 uint16_t *data)
440 {
441 if (data[0] == MBS_COMMAND_COMPLETE) {
442 qla2x00_update_fcport(vha, fcport);
443
444 return;
445 }
446
447 /* Retry login. */
448 fcport->flags &= ~FCF_ASYNC_SENT;
449 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
450 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
451 else
452 qla2x00_mark_device_lost(vha, fcport, 1, 0);
453
454 return;
455 }
456
457 void
458 qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport,
459 struct srb_iocb *iocb)
460 {
461 int rval;
462 uint32_t flags;
463 uint16_t lun;
464
465 flags = iocb->u.tmf.flags;
466 lun = (uint16_t)iocb->u.tmf.lun;
467
468 /* Issue Marker IOCB */
469 rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
470 vha->hw->rsp_q_map[0], fcport->loop_id, lun,
471 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
472
473 if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
474 DEBUG2_3_11(printk(KERN_WARNING
475 "%s(%ld): TM IOCB failed (%x).\n",
476 __func__, vha->host_no, rval));
477 }
478
479 return;
480 }
481
482 /****************************************************************************/
483 /* QLogic ISP2x00 Hardware Support Functions. */
484 /****************************************************************************/
485
486 /*
487 * qla2x00_initialize_adapter
488 * Initialize board.
489 *
490 * Input:
491 * ha = adapter block pointer.
492 *
493 * Returns:
494 * 0 = success
495 */
496 int
497 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
498 {
499 int rval;
500 struct qla_hw_data *ha = vha->hw;
501 struct req_que *req = ha->req_q_map[0];
502
503 /* Clear adapter flags. */
504 vha->flags.online = 0;
505 ha->flags.chip_reset_done = 0;
506 vha->flags.reset_active = 0;
507 ha->flags.pci_channel_io_perm_failure = 0;
508 ha->flags.eeh_busy = 0;
509 ha->flags.thermal_supported = 1;
510 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
511 atomic_set(&vha->loop_state, LOOP_DOWN);
512 vha->device_flags = DFLG_NO_CABLE;
513 vha->dpc_flags = 0;
514 vha->flags.management_server_logged_in = 0;
515 vha->marker_needed = 0;
516 ha->isp_abort_cnt = 0;
517 ha->beacon_blink_led = 0;
518
519 set_bit(0, ha->req_qid_map);
520 set_bit(0, ha->rsp_qid_map);
521
522 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
523 rval = ha->isp_ops->pci_config(vha);
524 if (rval) {
525 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
526 vha->host_no));
527 return (rval);
528 }
529
530 ha->isp_ops->reset_chip(vha);
531
532 rval = qla2xxx_get_flash_info(vha);
533 if (rval) {
534 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
535 vha->host_no));
536 return (rval);
537 }
538
539 ha->isp_ops->get_flash_version(vha, req->ring);
540
541 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
542
543 ha->isp_ops->nvram_config(vha);
544
545 if (ha->flags.disable_serdes) {
546 /* Mask HBA via NVRAM settings? */
547 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
548 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
549 vha->port_name[0], vha->port_name[1],
550 vha->port_name[2], vha->port_name[3],
551 vha->port_name[4], vha->port_name[5],
552 vha->port_name[6], vha->port_name[7]);
553 return QLA_FUNCTION_FAILED;
554 }
555
556 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
557
558 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
559 rval = ha->isp_ops->chip_diag(vha);
560 if (rval)
561 return (rval);
562 rval = qla2x00_setup_chip(vha);
563 if (rval)
564 return (rval);
565 }
566
567 if (IS_QLA84XX(ha)) {
568 ha->cs84xx = qla84xx_get_chip(vha);
569 if (!ha->cs84xx) {
570 qla_printk(KERN_ERR, ha,
571 "Unable to configure ISP84XX.\n");
572 return QLA_FUNCTION_FAILED;
573 }
574 }
575 rval = qla2x00_init_rings(vha);
576 ha->flags.chip_reset_done = 1;
577
578 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
579 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
580 rval = qla84xx_init_chip(vha);
581 if (rval != QLA_SUCCESS) {
582 qla_printk(KERN_ERR, ha,
583 "Unable to initialize ISP84XX.\n");
584 qla84xx_put_chip(vha);
585 }
586 }
587
588 if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
589 qla24xx_read_fcp_prio_cfg(vha);
590
591 return (rval);
592 }
593
594 /**
595 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
596 * @ha: HA context
597 *
598 * Returns 0 on success.
599 */
600 int
601 qla2100_pci_config(scsi_qla_host_t *vha)
602 {
603 uint16_t w;
604 unsigned long flags;
605 struct qla_hw_data *ha = vha->hw;
606 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
607
608 pci_set_master(ha->pdev);
609 pci_try_set_mwi(ha->pdev);
610
611 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
612 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
613 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
614
615 pci_disable_rom(ha->pdev);
616
617 /* Get PCI bus information. */
618 spin_lock_irqsave(&ha->hardware_lock, flags);
619 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
620 spin_unlock_irqrestore(&ha->hardware_lock, flags);
621
622 return QLA_SUCCESS;
623 }
624
625 /**
626 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
627 * @ha: HA context
628 *
629 * Returns 0 on success.
630 */
631 int
632 qla2300_pci_config(scsi_qla_host_t *vha)
633 {
634 uint16_t w;
635 unsigned long flags = 0;
636 uint32_t cnt;
637 struct qla_hw_data *ha = vha->hw;
638 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
639
640 pci_set_master(ha->pdev);
641 pci_try_set_mwi(ha->pdev);
642
643 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
644 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
645
646 if (IS_QLA2322(ha) || IS_QLA6322(ha))
647 w &= ~PCI_COMMAND_INTX_DISABLE;
648 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
649
650 /*
651 * If this is a 2300 card and not 2312, reset the
652 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
653 * the 2310 also reports itself as a 2300 so we need to get the
654 * fb revision level -- a 6 indicates it really is a 2300 and
655 * not a 2310.
656 */
657 if (IS_QLA2300(ha)) {
658 spin_lock_irqsave(&ha->hardware_lock, flags);
659
660 /* Pause RISC. */
661 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
662 for (cnt = 0; cnt < 30000; cnt++) {
663 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
664 break;
665
666 udelay(10);
667 }
668
669 /* Select FPM registers. */
670 WRT_REG_WORD(&reg->ctrl_status, 0x20);
671 RD_REG_WORD(&reg->ctrl_status);
672
673 /* Get the fb rev level */
674 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
675
676 if (ha->fb_rev == FPM_2300)
677 pci_clear_mwi(ha->pdev);
678
679 /* Deselect FPM registers. */
680 WRT_REG_WORD(&reg->ctrl_status, 0x0);
681 RD_REG_WORD(&reg->ctrl_status);
682
683 /* Release RISC module. */
684 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
685 for (cnt = 0; cnt < 30000; cnt++) {
686 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
687 break;
688
689 udelay(10);
690 }
691
692 spin_unlock_irqrestore(&ha->hardware_lock, flags);
693 }
694
695 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
696
697 pci_disable_rom(ha->pdev);
698
699 /* Get PCI bus information. */
700 spin_lock_irqsave(&ha->hardware_lock, flags);
701 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
702 spin_unlock_irqrestore(&ha->hardware_lock, flags);
703
704 return QLA_SUCCESS;
705 }
706
707 /**
708 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
709 * @ha: HA context
710 *
711 * Returns 0 on success.
712 */
713 int
714 qla24xx_pci_config(scsi_qla_host_t *vha)
715 {
716 uint16_t w;
717 unsigned long flags = 0;
718 struct qla_hw_data *ha = vha->hw;
719 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
720
721 pci_set_master(ha->pdev);
722 pci_try_set_mwi(ha->pdev);
723
724 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
725 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
726 w &= ~PCI_COMMAND_INTX_DISABLE;
727 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
728
729 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
730
731 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
732 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
733 pcix_set_mmrbc(ha->pdev, 2048);
734
735 /* PCIe -- adjust Maximum Read Request Size (2048). */
736 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
737 pcie_set_readrq(ha->pdev, 2048);
738
739 pci_disable_rom(ha->pdev);
740
741 ha->chip_revision = ha->pdev->revision;
742
743 /* Get PCI bus information. */
744 spin_lock_irqsave(&ha->hardware_lock, flags);
745 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
746 spin_unlock_irqrestore(&ha->hardware_lock, flags);
747
748 return QLA_SUCCESS;
749 }
750
751 /**
752 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
753 * @ha: HA context
754 *
755 * Returns 0 on success.
756 */
757 int
758 qla25xx_pci_config(scsi_qla_host_t *vha)
759 {
760 uint16_t w;
761 struct qla_hw_data *ha = vha->hw;
762
763 pci_set_master(ha->pdev);
764 pci_try_set_mwi(ha->pdev);
765
766 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
767 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
768 w &= ~PCI_COMMAND_INTX_DISABLE;
769 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
770
771 /* PCIe -- adjust Maximum Read Request Size (2048). */
772 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
773 pcie_set_readrq(ha->pdev, 2048);
774
775 pci_disable_rom(ha->pdev);
776
777 ha->chip_revision = ha->pdev->revision;
778
779 return QLA_SUCCESS;
780 }
781
782 /**
783 * qla2x00_isp_firmware() - Choose firmware image.
784 * @ha: HA context
785 *
786 * Returns 0 on success.
787 */
788 static int
789 qla2x00_isp_firmware(scsi_qla_host_t *vha)
790 {
791 int rval;
792 uint16_t loop_id, topo, sw_cap;
793 uint8_t domain, area, al_pa;
794 struct qla_hw_data *ha = vha->hw;
795
796 /* Assume loading risc code */
797 rval = QLA_FUNCTION_FAILED;
798
799 if (ha->flags.disable_risc_code_load) {
800 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
801 vha->host_no));
802 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
803
804 /* Verify checksum of loaded RISC code. */
805 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
806 if (rval == QLA_SUCCESS) {
807 /* And, verify we are not in ROM code. */
808 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
809 &area, &domain, &topo, &sw_cap);
810 }
811 }
812
813 if (rval) {
814 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
815 vha->host_no));
816 }
817
818 return (rval);
819 }
820
821 /**
822 * qla2x00_reset_chip() - Reset ISP chip.
823 * @ha: HA context
824 *
825 * Returns 0 on success.
826 */
827 void
828 qla2x00_reset_chip(scsi_qla_host_t *vha)
829 {
830 unsigned long flags = 0;
831 struct qla_hw_data *ha = vha->hw;
832 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
833 uint32_t cnt;
834 uint16_t cmd;
835
836 if (unlikely(pci_channel_offline(ha->pdev)))
837 return;
838
839 ha->isp_ops->disable_intrs(ha);
840
841 spin_lock_irqsave(&ha->hardware_lock, flags);
842
843 /* Turn off master enable */
844 cmd = 0;
845 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
846 cmd &= ~PCI_COMMAND_MASTER;
847 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
848
849 if (!IS_QLA2100(ha)) {
850 /* Pause RISC. */
851 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
852 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
853 for (cnt = 0; cnt < 30000; cnt++) {
854 if ((RD_REG_WORD(&reg->hccr) &
855 HCCR_RISC_PAUSE) != 0)
856 break;
857 udelay(100);
858 }
859 } else {
860 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
861 udelay(10);
862 }
863
864 /* Select FPM registers. */
865 WRT_REG_WORD(&reg->ctrl_status, 0x20);
866 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
867
868 /* FPM Soft Reset. */
869 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
870 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
871
872 /* Toggle Fpm Reset. */
873 if (!IS_QLA2200(ha)) {
874 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
875 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
876 }
877
878 /* Select frame buffer registers. */
879 WRT_REG_WORD(&reg->ctrl_status, 0x10);
880 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
881
882 /* Reset frame buffer FIFOs. */
883 if (IS_QLA2200(ha)) {
884 WRT_FB_CMD_REG(ha, reg, 0xa000);
885 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
886 } else {
887 WRT_FB_CMD_REG(ha, reg, 0x00fc);
888
889 /* Read back fb_cmd until zero or 3 seconds max */
890 for (cnt = 0; cnt < 3000; cnt++) {
891 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
892 break;
893 udelay(100);
894 }
895 }
896
897 /* Select RISC module registers. */
898 WRT_REG_WORD(&reg->ctrl_status, 0);
899 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
900
901 /* Reset RISC processor. */
902 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
903 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
904
905 /* Release RISC processor. */
906 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
907 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
908 }
909
910 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
911 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
912
913 /* Reset ISP chip. */
914 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
915
916 /* Wait for RISC to recover from reset. */
917 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
918 /*
919 * It is necessary to for a delay here since the card doesn't
920 * respond to PCI reads during a reset. On some architectures
921 * this will result in an MCA.
922 */
923 udelay(20);
924 for (cnt = 30000; cnt; cnt--) {
925 if ((RD_REG_WORD(&reg->ctrl_status) &
926 CSR_ISP_SOFT_RESET) == 0)
927 break;
928 udelay(100);
929 }
930 } else
931 udelay(10);
932
933 /* Reset RISC processor. */
934 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
935
936 WRT_REG_WORD(&reg->semaphore, 0);
937
938 /* Release RISC processor. */
939 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
940 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
941
942 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
943 for (cnt = 0; cnt < 30000; cnt++) {
944 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
945 break;
946
947 udelay(100);
948 }
949 } else
950 udelay(100);
951
952 /* Turn on master enable */
953 cmd |= PCI_COMMAND_MASTER;
954 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
955
956 /* Disable RISC pause on FPM parity error. */
957 if (!IS_QLA2100(ha)) {
958 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
959 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
960 }
961
962 spin_unlock_irqrestore(&ha->hardware_lock, flags);
963 }
964
965 /**
966 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
967 *
968 * Returns 0 on success.
969 */
970 int
971 qla81xx_reset_mpi(scsi_qla_host_t *vha)
972 {
973 uint16_t mb[4] = {0x1010, 0, 1, 0};
974
975 return qla81xx_write_mpi_register(vha, mb);
976 }
977
978 /**
979 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
980 * @ha: HA context
981 *
982 * Returns 0 on success.
983 */
984 static inline void
985 qla24xx_reset_risc(scsi_qla_host_t *vha)
986 {
987 unsigned long flags = 0;
988 struct qla_hw_data *ha = vha->hw;
989 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
990 uint32_t cnt, d2;
991 uint16_t wd;
992 static int abts_cnt; /* ISP abort retry counts */
993
994 spin_lock_irqsave(&ha->hardware_lock, flags);
995
996 /* Reset RISC. */
997 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
998 for (cnt = 0; cnt < 30000; cnt++) {
999 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1000 break;
1001
1002 udelay(10);
1003 }
1004
1005 WRT_REG_DWORD(&reg->ctrl_status,
1006 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1007 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1008
1009 udelay(100);
1010 /* Wait for firmware to complete NVRAM accesses. */
1011 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1012 for (cnt = 10000 ; cnt && d2; cnt--) {
1013 udelay(5);
1014 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1015 barrier();
1016 }
1017
1018 /* Wait for soft-reset to complete. */
1019 d2 = RD_REG_DWORD(&reg->ctrl_status);
1020 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1021 udelay(5);
1022 d2 = RD_REG_DWORD(&reg->ctrl_status);
1023 barrier();
1024 }
1025
1026 /* If required, do an MPI FW reset now */
1027 if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1028 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1029 if (++abts_cnt < 5) {
1030 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1031 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1032 } else {
1033 /*
1034 * We exhausted the ISP abort retries. We have to
1035 * set the board offline.
1036 */
1037 abts_cnt = 0;
1038 vha->flags.online = 0;
1039 }
1040 }
1041 }
1042
1043 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1044 RD_REG_DWORD(&reg->hccr);
1045
1046 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1047 RD_REG_DWORD(&reg->hccr);
1048
1049 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1050 RD_REG_DWORD(&reg->hccr);
1051
1052 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1053 for (cnt = 6000000 ; cnt && d2; cnt--) {
1054 udelay(5);
1055 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1056 barrier();
1057 }
1058
1059 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1060
1061 if (IS_NOPOLLING_TYPE(ha))
1062 ha->isp_ops->enable_intrs(ha);
1063 }
1064
1065 /**
1066 * qla24xx_reset_chip() - Reset ISP24xx chip.
1067 * @ha: HA context
1068 *
1069 * Returns 0 on success.
1070 */
1071 void
1072 qla24xx_reset_chip(scsi_qla_host_t *vha)
1073 {
1074 struct qla_hw_data *ha = vha->hw;
1075
1076 if (pci_channel_offline(ha->pdev) &&
1077 ha->flags.pci_channel_io_perm_failure) {
1078 return;
1079 }
1080
1081 ha->isp_ops->disable_intrs(ha);
1082
1083 /* Perform RISC reset. */
1084 qla24xx_reset_risc(vha);
1085 }
1086
1087 /**
1088 * qla2x00_chip_diag() - Test chip for proper operation.
1089 * @ha: HA context
1090 *
1091 * Returns 0 on success.
1092 */
1093 int
1094 qla2x00_chip_diag(scsi_qla_host_t *vha)
1095 {
1096 int rval;
1097 struct qla_hw_data *ha = vha->hw;
1098 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1099 unsigned long flags = 0;
1100 uint16_t data;
1101 uint32_t cnt;
1102 uint16_t mb[5];
1103 struct req_que *req = ha->req_q_map[0];
1104
1105 /* Assume a failed state */
1106 rval = QLA_FUNCTION_FAILED;
1107
1108 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
1109 vha->host_no, (u_long)&reg->flash_address));
1110
1111 spin_lock_irqsave(&ha->hardware_lock, flags);
1112
1113 /* Reset ISP chip. */
1114 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1115
1116 /*
1117 * We need to have a delay here since the card will not respond while
1118 * in reset causing an MCA on some architectures.
1119 */
1120 udelay(20);
1121 data = qla2x00_debounce_register(&reg->ctrl_status);
1122 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1123 udelay(5);
1124 data = RD_REG_WORD(&reg->ctrl_status);
1125 barrier();
1126 }
1127
1128 if (!cnt)
1129 goto chip_diag_failed;
1130
1131 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
1132 vha->host_no));
1133
1134 /* Reset RISC processor. */
1135 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1136 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1137
1138 /* Workaround for QLA2312 PCI parity error */
1139 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1140 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1141 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1142 udelay(5);
1143 data = RD_MAILBOX_REG(ha, reg, 0);
1144 barrier();
1145 }
1146 } else
1147 udelay(10);
1148
1149 if (!cnt)
1150 goto chip_diag_failed;
1151
1152 /* Check product ID of chip */
1153 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
1154
1155 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1156 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1157 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1158 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1159 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1160 mb[3] != PROD_ID_3) {
1161 qla_printk(KERN_WARNING, ha,
1162 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
1163
1164 goto chip_diag_failed;
1165 }
1166 ha->product_id[0] = mb[1];
1167 ha->product_id[1] = mb[2];
1168 ha->product_id[2] = mb[3];
1169 ha->product_id[3] = mb[4];
1170
1171 /* Adjust fw RISC transfer size */
1172 if (req->length > 1024)
1173 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1174 else
1175 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1176 req->length;
1177
1178 if (IS_QLA2200(ha) &&
1179 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1180 /* Limit firmware transfer size with a 2200A */
1181 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
1182 vha->host_no));
1183
1184 ha->device_type |= DT_ISP2200A;
1185 ha->fw_transfer_size = 128;
1186 }
1187
1188 /* Wrap Incoming Mailboxes Test. */
1189 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1190
1191 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
1192 rval = qla2x00_mbx_reg_test(vha);
1193 if (rval) {
1194 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1195 vha->host_no));
1196 qla_printk(KERN_WARNING, ha,
1197 "Failed mailbox send register test\n");
1198 }
1199 else {
1200 /* Flag a successful rval */
1201 rval = QLA_SUCCESS;
1202 }
1203 spin_lock_irqsave(&ha->hardware_lock, flags);
1204
1205 chip_diag_failed:
1206 if (rval)
1207 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
1208 "****\n", vha->host_no));
1209
1210 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1211
1212 return (rval);
1213 }
1214
1215 /**
1216 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1217 * @ha: HA context
1218 *
1219 * Returns 0 on success.
1220 */
1221 int
1222 qla24xx_chip_diag(scsi_qla_host_t *vha)
1223 {
1224 int rval;
1225 struct qla_hw_data *ha = vha->hw;
1226 struct req_que *req = ha->req_q_map[0];
1227
1228 if (IS_QLA82XX(ha))
1229 return QLA_SUCCESS;
1230
1231 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1232
1233 rval = qla2x00_mbx_reg_test(vha);
1234 if (rval) {
1235 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1236 vha->host_no));
1237 qla_printk(KERN_WARNING, ha,
1238 "Failed mailbox send register test\n");
1239 } else {
1240 /* Flag a successful rval */
1241 rval = QLA_SUCCESS;
1242 }
1243
1244 return rval;
1245 }
1246
1247 void
1248 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1249 {
1250 int rval;
1251 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1252 eft_size, fce_size, mq_size;
1253 dma_addr_t tc_dma;
1254 void *tc;
1255 struct qla_hw_data *ha = vha->hw;
1256 struct req_que *req = ha->req_q_map[0];
1257 struct rsp_que *rsp = ha->rsp_q_map[0];
1258
1259 if (ha->fw_dump) {
1260 qla_printk(KERN_WARNING, ha,
1261 "Firmware dump previously allocated.\n");
1262 return;
1263 }
1264
1265 ha->fw_dumped = 0;
1266 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1267 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1268 fixed_size = sizeof(struct qla2100_fw_dump);
1269 } else if (IS_QLA23XX(ha)) {
1270 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1271 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1272 sizeof(uint16_t);
1273 } else if (IS_FWI2_CAPABLE(ha)) {
1274 if (IS_QLA81XX(ha))
1275 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1276 else if (IS_QLA25XX(ha))
1277 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1278 else
1279 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1280 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1281 sizeof(uint32_t);
1282 if (ha->mqenable)
1283 mq_size = sizeof(struct qla2xxx_mq_chain);
1284 /* Allocate memory for Fibre Channel Event Buffer. */
1285 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1286 goto try_eft;
1287
1288 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1289 GFP_KERNEL);
1290 if (!tc) {
1291 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1292 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
1293 goto try_eft;
1294 }
1295
1296 memset(tc, 0, FCE_SIZE);
1297 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1298 ha->fce_mb, &ha->fce_bufs);
1299 if (rval) {
1300 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1301 "FCE (%d).\n", rval);
1302 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1303 tc_dma);
1304 ha->flags.fce_enabled = 0;
1305 goto try_eft;
1306 }
1307
1308 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1309 FCE_SIZE / 1024);
1310
1311 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1312 ha->flags.fce_enabled = 1;
1313 ha->fce_dma = tc_dma;
1314 ha->fce = tc;
1315 try_eft:
1316 /* Allocate memory for Extended Trace Buffer. */
1317 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1318 GFP_KERNEL);
1319 if (!tc) {
1320 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1321 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1322 goto cont_alloc;
1323 }
1324
1325 memset(tc, 0, EFT_SIZE);
1326 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1327 if (rval) {
1328 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1329 "EFT (%d).\n", rval);
1330 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1331 tc_dma);
1332 goto cont_alloc;
1333 }
1334
1335 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1336 EFT_SIZE / 1024);
1337
1338 eft_size = EFT_SIZE;
1339 ha->eft_dma = tc_dma;
1340 ha->eft = tc;
1341 }
1342 cont_alloc:
1343 req_q_size = req->length * sizeof(request_t);
1344 rsp_q_size = rsp->length * sizeof(response_t);
1345
1346 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1347 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1348 ha->chain_offset = dump_size;
1349 dump_size += mq_size + fce_size;
1350
1351 ha->fw_dump = vmalloc(dump_size);
1352 if (!ha->fw_dump) {
1353 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1354 "firmware dump!!!\n", dump_size / 1024);
1355
1356 if (ha->fce) {
1357 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1358 ha->fce_dma);
1359 ha->fce = NULL;
1360 ha->fce_dma = 0;
1361 }
1362
1363 if (ha->eft) {
1364 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1365 ha->eft_dma);
1366 ha->eft = NULL;
1367 ha->eft_dma = 0;
1368 }
1369 return;
1370 }
1371 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1372 dump_size / 1024);
1373
1374 ha->fw_dump_len = dump_size;
1375 ha->fw_dump->signature[0] = 'Q';
1376 ha->fw_dump->signature[1] = 'L';
1377 ha->fw_dump->signature[2] = 'G';
1378 ha->fw_dump->signature[3] = 'C';
1379 ha->fw_dump->version = __constant_htonl(1);
1380
1381 ha->fw_dump->fixed_size = htonl(fixed_size);
1382 ha->fw_dump->mem_size = htonl(mem_size);
1383 ha->fw_dump->req_q_size = htonl(req_q_size);
1384 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1385
1386 ha->fw_dump->eft_size = htonl(eft_size);
1387 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1388 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1389
1390 ha->fw_dump->header_size =
1391 htonl(offsetof(struct qla2xxx_fw_dump, isp));
1392 }
1393
1394 static int
1395 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1396 {
1397 #define MPS_MASK 0xe0
1398 int rval;
1399 uint16_t dc;
1400 uint32_t dw;
1401 struct qla_hw_data *ha = vha->hw;
1402
1403 if (!IS_QLA81XX(vha->hw))
1404 return QLA_SUCCESS;
1405
1406 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1407 if (rval != QLA_SUCCESS) {
1408 DEBUG2(qla_printk(KERN_WARNING, ha,
1409 "Sync-MPI: Unable to acquire semaphore.\n"));
1410 goto done;
1411 }
1412
1413 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1414 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1415 if (rval != QLA_SUCCESS) {
1416 DEBUG2(qla_printk(KERN_WARNING, ha,
1417 "Sync-MPI: Unable to read sync.\n"));
1418 goto done_release;
1419 }
1420
1421 dc &= MPS_MASK;
1422 if (dc == (dw & MPS_MASK))
1423 goto done_release;
1424
1425 dw &= ~MPS_MASK;
1426 dw |= dc;
1427 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1428 if (rval != QLA_SUCCESS) {
1429 DEBUG2(qla_printk(KERN_WARNING, ha,
1430 "Sync-MPI: Unable to gain sync.\n"));
1431 }
1432
1433 done_release:
1434 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1435 if (rval != QLA_SUCCESS) {
1436 DEBUG2(qla_printk(KERN_WARNING, ha,
1437 "Sync-MPI: Unable to release semaphore.\n"));
1438 }
1439
1440 done:
1441 return rval;
1442 }
1443
1444 /**
1445 * qla2x00_setup_chip() - Load and start RISC firmware.
1446 * @ha: HA context
1447 *
1448 * Returns 0 on success.
1449 */
1450 static int
1451 qla2x00_setup_chip(scsi_qla_host_t *vha)
1452 {
1453 int rval;
1454 uint32_t srisc_address = 0;
1455 struct qla_hw_data *ha = vha->hw;
1456 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1457 unsigned long flags;
1458 uint16_t fw_major_version;
1459
1460 if (IS_QLA82XX(ha)) {
1461 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1462 if (rval == QLA_SUCCESS) {
1463 qla2x00_stop_firmware(vha);
1464 goto enable_82xx_npiv;
1465 } else
1466 goto failed;
1467 }
1468
1469 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1470 /* Disable SRAM, Instruction RAM and GP RAM parity. */
1471 spin_lock_irqsave(&ha->hardware_lock, flags);
1472 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1473 RD_REG_WORD(&reg->hccr);
1474 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1475 }
1476
1477 qla81xx_mpi_sync(vha);
1478
1479 /* Load firmware sequences */
1480 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1481 if (rval == QLA_SUCCESS) {
1482 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1483 "code.\n", vha->host_no));
1484
1485 rval = qla2x00_verify_checksum(vha, srisc_address);
1486 if (rval == QLA_SUCCESS) {
1487 /* Start firmware execution. */
1488 DEBUG(printk("scsi(%ld): Checksum OK, start "
1489 "firmware.\n", vha->host_no));
1490
1491 rval = qla2x00_execute_fw(vha, srisc_address);
1492 /* Retrieve firmware information. */
1493 if (rval == QLA_SUCCESS) {
1494 enable_82xx_npiv:
1495 fw_major_version = ha->fw_major_version;
1496 rval = qla2x00_get_fw_version(vha,
1497 &ha->fw_major_version,
1498 &ha->fw_minor_version,
1499 &ha->fw_subminor_version,
1500 &ha->fw_attributes, &ha->fw_memory_size,
1501 ha->mpi_version, &ha->mpi_capabilities,
1502 ha->phy_version);
1503 if (rval != QLA_SUCCESS)
1504 goto failed;
1505 ha->flags.npiv_supported = 0;
1506 if (IS_QLA2XXX_MIDTYPE(ha) &&
1507 (ha->fw_attributes & BIT_2)) {
1508 ha->flags.npiv_supported = 1;
1509 if ((!ha->max_npiv_vports) ||
1510 ((ha->max_npiv_vports + 1) %
1511 MIN_MULTI_ID_FABRIC))
1512 ha->max_npiv_vports =
1513 MIN_MULTI_ID_FABRIC - 1;
1514 }
1515 qla2x00_get_resource_cnts(vha, NULL,
1516 &ha->fw_xcb_count, NULL, NULL,
1517 &ha->max_npiv_vports, NULL);
1518
1519 if (!fw_major_version && ql2xallocfwdump) {
1520 if (!IS_QLA82XX(ha))
1521 qla2x00_alloc_fw_dump(vha);
1522 }
1523 }
1524 } else {
1525 DEBUG2(printk(KERN_INFO
1526 "scsi(%ld): ISP Firmware failed checksum.\n",
1527 vha->host_no));
1528 }
1529 }
1530
1531 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1532 /* Enable proper parity. */
1533 spin_lock_irqsave(&ha->hardware_lock, flags);
1534 if (IS_QLA2300(ha))
1535 /* SRAM parity */
1536 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1537 else
1538 /* SRAM, Instruction RAM and GP RAM parity */
1539 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1540 RD_REG_WORD(&reg->hccr);
1541 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1542 }
1543
1544 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1545 uint32_t size;
1546
1547 rval = qla81xx_fac_get_sector_size(vha, &size);
1548 if (rval == QLA_SUCCESS) {
1549 ha->flags.fac_supported = 1;
1550 ha->fdt_block_size = size << 2;
1551 } else {
1552 qla_printk(KERN_ERR, ha,
1553 "Unsupported FAC firmware (%d.%02d.%02d).\n",
1554 ha->fw_major_version, ha->fw_minor_version,
1555 ha->fw_subminor_version);
1556 }
1557 }
1558 failed:
1559 if (rval) {
1560 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1561 vha->host_no));
1562 }
1563
1564 return (rval);
1565 }
1566
1567 /**
1568 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1569 * @ha: HA context
1570 *
1571 * Beginning of request ring has initialization control block already built
1572 * by nvram config routine.
1573 *
1574 * Returns 0 on success.
1575 */
1576 void
1577 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1578 {
1579 uint16_t cnt;
1580 response_t *pkt;
1581
1582 rsp->ring_ptr = rsp->ring;
1583 rsp->ring_index = 0;
1584 rsp->status_srb = NULL;
1585 pkt = rsp->ring_ptr;
1586 for (cnt = 0; cnt < rsp->length; cnt++) {
1587 pkt->signature = RESPONSE_PROCESSED;
1588 pkt++;
1589 }
1590 }
1591
1592 /**
1593 * qla2x00_update_fw_options() - Read and process firmware options.
1594 * @ha: HA context
1595 *
1596 * Returns 0 on success.
1597 */
1598 void
1599 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1600 {
1601 uint16_t swing, emphasis, tx_sens, rx_sens;
1602 struct qla_hw_data *ha = vha->hw;
1603
1604 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1605 qla2x00_get_fw_options(vha, ha->fw_options);
1606
1607 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1608 return;
1609
1610 /* Serial Link options. */
1611 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1612 vha->host_no));
1613 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1614 sizeof(ha->fw_seriallink_options)));
1615
1616 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1617 if (ha->fw_seriallink_options[3] & BIT_2) {
1618 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1619
1620 /* 1G settings */
1621 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1622 emphasis = (ha->fw_seriallink_options[2] &
1623 (BIT_4 | BIT_3)) >> 3;
1624 tx_sens = ha->fw_seriallink_options[0] &
1625 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1626 rx_sens = (ha->fw_seriallink_options[0] &
1627 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1628 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1629 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1630 if (rx_sens == 0x0)
1631 rx_sens = 0x3;
1632 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1633 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1634 ha->fw_options[10] |= BIT_5 |
1635 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1636 (tx_sens & (BIT_1 | BIT_0));
1637
1638 /* 2G settings */
1639 swing = (ha->fw_seriallink_options[2] &
1640 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1641 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1642 tx_sens = ha->fw_seriallink_options[1] &
1643 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1644 rx_sens = (ha->fw_seriallink_options[1] &
1645 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1646 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1647 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1648 if (rx_sens == 0x0)
1649 rx_sens = 0x3;
1650 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1651 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1652 ha->fw_options[11] |= BIT_5 |
1653 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1654 (tx_sens & (BIT_1 | BIT_0));
1655 }
1656
1657 /* FCP2 options. */
1658 /* Return command IOCBs without waiting for an ABTS to complete. */
1659 ha->fw_options[3] |= BIT_13;
1660
1661 /* LED scheme. */
1662 if (ha->flags.enable_led_scheme)
1663 ha->fw_options[2] |= BIT_12;
1664
1665 /* Detect ISP6312. */
1666 if (IS_QLA6312(ha))
1667 ha->fw_options[2] |= BIT_13;
1668
1669 /* Update firmware options. */
1670 qla2x00_set_fw_options(vha, ha->fw_options);
1671 }
1672
1673 void
1674 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1675 {
1676 int rval;
1677 struct qla_hw_data *ha = vha->hw;
1678
1679 if (IS_QLA82XX(ha))
1680 return;
1681
1682 /* Update Serial Link options. */
1683 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1684 return;
1685
1686 rval = qla2x00_set_serdes_params(vha,
1687 le16_to_cpu(ha->fw_seriallink_options24[1]),
1688 le16_to_cpu(ha->fw_seriallink_options24[2]),
1689 le16_to_cpu(ha->fw_seriallink_options24[3]));
1690 if (rval != QLA_SUCCESS) {
1691 qla_printk(KERN_WARNING, ha,
1692 "Unable to update Serial Link options (%x).\n", rval);
1693 }
1694 }
1695
1696 void
1697 qla2x00_config_rings(struct scsi_qla_host *vha)
1698 {
1699 struct qla_hw_data *ha = vha->hw;
1700 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1701 struct req_que *req = ha->req_q_map[0];
1702 struct rsp_que *rsp = ha->rsp_q_map[0];
1703
1704 /* Setup ring parameters in initialization control block. */
1705 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1706 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1707 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1708 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1709 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1710 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1711 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1712 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1713
1714 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1715 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1716 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1717 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1718 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1719 }
1720
1721 void
1722 qla24xx_config_rings(struct scsi_qla_host *vha)
1723 {
1724 struct qla_hw_data *ha = vha->hw;
1725 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1726 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1727 struct qla_msix_entry *msix;
1728 struct init_cb_24xx *icb;
1729 uint16_t rid = 0;
1730 struct req_que *req = ha->req_q_map[0];
1731 struct rsp_que *rsp = ha->rsp_q_map[0];
1732
1733 /* Setup ring parameters in initialization control block. */
1734 icb = (struct init_cb_24xx *)ha->init_cb;
1735 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1736 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1737 icb->request_q_length = cpu_to_le16(req->length);
1738 icb->response_q_length = cpu_to_le16(rsp->length);
1739 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1740 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1741 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1742 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1743
1744 if (ha->mqenable) {
1745 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1746 icb->rid = __constant_cpu_to_le16(rid);
1747 if (ha->flags.msix_enabled) {
1748 msix = &ha->msix_entries[1];
1749 DEBUG2_17(printk(KERN_INFO
1750 "Registering vector 0x%x for base que\n", msix->entry));
1751 icb->msix = cpu_to_le16(msix->entry);
1752 }
1753 /* Use alternate PCI bus number */
1754 if (MSB(rid))
1755 icb->firmware_options_2 |=
1756 __constant_cpu_to_le32(BIT_19);
1757 /* Use alternate PCI devfn */
1758 if (LSB(rid))
1759 icb->firmware_options_2 |=
1760 __constant_cpu_to_le32(BIT_18);
1761
1762 /* Use Disable MSIX Handshake mode for capable adapters */
1763 if (IS_MSIX_NACK_CAPABLE(ha)) {
1764 icb->firmware_options_2 &=
1765 __constant_cpu_to_le32(~BIT_22);
1766 ha->flags.disable_msix_handshake = 1;
1767 qla_printk(KERN_INFO, ha,
1768 "MSIX Handshake Disable Mode turned on\n");
1769 } else {
1770 icb->firmware_options_2 |=
1771 __constant_cpu_to_le32(BIT_22);
1772 }
1773 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1774
1775 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1776 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1777 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1778 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1779 } else {
1780 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1781 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1782 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1783 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1784 }
1785 /* PCI posting */
1786 RD_REG_DWORD(&ioreg->hccr);
1787 }
1788
1789 /**
1790 * qla2x00_init_rings() - Initializes firmware.
1791 * @ha: HA context
1792 *
1793 * Beginning of request ring has initialization control block already built
1794 * by nvram config routine.
1795 *
1796 * Returns 0 on success.
1797 */
1798 static int
1799 qla2x00_init_rings(scsi_qla_host_t *vha)
1800 {
1801 int rval;
1802 unsigned long flags = 0;
1803 int cnt, que;
1804 struct qla_hw_data *ha = vha->hw;
1805 struct req_que *req;
1806 struct rsp_que *rsp;
1807 struct scsi_qla_host *vp;
1808 struct mid_init_cb_24xx *mid_init_cb =
1809 (struct mid_init_cb_24xx *) ha->init_cb;
1810
1811 spin_lock_irqsave(&ha->hardware_lock, flags);
1812
1813 /* Clear outstanding commands array. */
1814 for (que = 0; que < ha->max_req_queues; que++) {
1815 req = ha->req_q_map[que];
1816 if (!req)
1817 continue;
1818 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1819 req->outstanding_cmds[cnt] = NULL;
1820
1821 req->current_outstanding_cmd = 1;
1822
1823 /* Initialize firmware. */
1824 req->ring_ptr = req->ring;
1825 req->ring_index = 0;
1826 req->cnt = req->length;
1827 }
1828
1829 for (que = 0; que < ha->max_rsp_queues; que++) {
1830 rsp = ha->rsp_q_map[que];
1831 if (!rsp)
1832 continue;
1833 /* Initialize response queue entries */
1834 qla2x00_init_response_q_entries(rsp);
1835 }
1836
1837 spin_lock(&ha->vport_slock);
1838 /* Clear RSCN queue. */
1839 list_for_each_entry(vp, &ha->vp_list, list) {
1840 vp->rscn_in_ptr = 0;
1841 vp->rscn_out_ptr = 0;
1842 }
1843
1844 spin_unlock(&ha->vport_slock);
1845
1846 ha->isp_ops->config_rings(vha);
1847
1848 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1849
1850 /* Update any ISP specific firmware options before initialization. */
1851 ha->isp_ops->update_fw_options(vha);
1852
1853 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1854
1855 if (ha->flags.npiv_supported) {
1856 if (ha->operating_mode == LOOP)
1857 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1858 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1859 }
1860
1861 if (IS_FWI2_CAPABLE(ha)) {
1862 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1863 mid_init_cb->init_cb.execution_throttle =
1864 cpu_to_le16(ha->fw_xcb_count);
1865 }
1866
1867 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1868 if (rval) {
1869 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1870 vha->host_no));
1871 } else {
1872 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1873 vha->host_no));
1874 }
1875
1876 return (rval);
1877 }
1878
1879 /**
1880 * qla2x00_fw_ready() - Waits for firmware ready.
1881 * @ha: HA context
1882 *
1883 * Returns 0 on success.
1884 */
1885 static int
1886 qla2x00_fw_ready(scsi_qla_host_t *vha)
1887 {
1888 int rval;
1889 unsigned long wtime, mtime, cs84xx_time;
1890 uint16_t min_wait; /* Minimum wait time if loop is down */
1891 uint16_t wait_time; /* Wait time if loop is coming ready */
1892 uint16_t state[5];
1893 struct qla_hw_data *ha = vha->hw;
1894
1895 rval = QLA_SUCCESS;
1896
1897 /* 20 seconds for loop down. */
1898 min_wait = 20;
1899
1900 /*
1901 * Firmware should take at most one RATOV to login, plus 5 seconds for
1902 * our own processing.
1903 */
1904 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1905 wait_time = min_wait;
1906 }
1907
1908 /* Min wait time if loop down */
1909 mtime = jiffies + (min_wait * HZ);
1910
1911 /* wait time before firmware ready */
1912 wtime = jiffies + (wait_time * HZ);
1913
1914 /* Wait for ISP to finish LIP */
1915 if (!vha->flags.init_done)
1916 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1917
1918 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1919 vha->host_no));
1920
1921 do {
1922 rval = qla2x00_get_firmware_state(vha, state);
1923 if (rval == QLA_SUCCESS) {
1924 if (state[0] < FSTATE_LOSS_OF_SYNC) {
1925 vha->device_flags &= ~DFLG_NO_CABLE;
1926 }
1927 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1928 DEBUG16(printk("scsi(%ld): fw_state=%x "
1929 "84xx=%x.\n", vha->host_no, state[0],
1930 state[2]));
1931 if ((state[2] & FSTATE_LOGGED_IN) &&
1932 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1933 DEBUG16(printk("scsi(%ld): Sending "
1934 "verify iocb.\n", vha->host_no));
1935
1936 cs84xx_time = jiffies;
1937 rval = qla84xx_init_chip(vha);
1938 if (rval != QLA_SUCCESS)
1939 break;
1940
1941 /* Add time taken to initialize. */
1942 cs84xx_time = jiffies - cs84xx_time;
1943 wtime += cs84xx_time;
1944 mtime += cs84xx_time;
1945 DEBUG16(printk("scsi(%ld): Increasing "
1946 "wait time by %ld. New time %ld\n",
1947 vha->host_no, cs84xx_time, wtime));
1948 }
1949 } else if (state[0] == FSTATE_READY) {
1950 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1951 vha->host_no));
1952
1953 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1954 &ha->login_timeout, &ha->r_a_tov);
1955
1956 rval = QLA_SUCCESS;
1957 break;
1958 }
1959
1960 rval = QLA_FUNCTION_FAILED;
1961
1962 if (atomic_read(&vha->loop_down_timer) &&
1963 state[0] != FSTATE_READY) {
1964 /* Loop down. Timeout on min_wait for states
1965 * other than Wait for Login.
1966 */
1967 if (time_after_eq(jiffies, mtime)) {
1968 qla_printk(KERN_INFO, ha,
1969 "Cable is unplugged...\n");
1970
1971 vha->device_flags |= DFLG_NO_CABLE;
1972 break;
1973 }
1974 }
1975 } else {
1976 /* Mailbox cmd failed. Timeout on min_wait. */
1977 if (time_after_eq(jiffies, mtime) ||
1978 ha->flags.isp82xx_fw_hung)
1979 break;
1980 }
1981
1982 if (time_after_eq(jiffies, wtime))
1983 break;
1984
1985 /* Delay for a while */
1986 msleep(500);
1987
1988 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1989 vha->host_no, state[0], jiffies));
1990 } while (1);
1991
1992 DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1993 vha->host_no, state[0], state[1], state[2], state[3], state[4],
1994 jiffies));
1995
1996 if (rval) {
1997 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1998 vha->host_no));
1999 }
2000
2001 return (rval);
2002 }
2003
2004 /*
2005 * qla2x00_configure_hba
2006 * Setup adapter context.
2007 *
2008 * Input:
2009 * ha = adapter state pointer.
2010 *
2011 * Returns:
2012 * 0 = success
2013 *
2014 * Context:
2015 * Kernel context.
2016 */
2017 static int
2018 qla2x00_configure_hba(scsi_qla_host_t *vha)
2019 {
2020 int rval;
2021 uint16_t loop_id;
2022 uint16_t topo;
2023 uint16_t sw_cap;
2024 uint8_t al_pa;
2025 uint8_t area;
2026 uint8_t domain;
2027 char connect_type[22];
2028 struct qla_hw_data *ha = vha->hw;
2029
2030 /* Get host addresses. */
2031 rval = qla2x00_get_adapter_id(vha,
2032 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2033 if (rval != QLA_SUCCESS) {
2034 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2035 IS_QLA8XXX_TYPE(ha) ||
2036 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2037 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
2038 __func__, vha->host_no));
2039 } else {
2040 qla_printk(KERN_WARNING, ha,
2041 "ERROR -- Unable to get host loop ID.\n");
2042 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2043 }
2044 return (rval);
2045 }
2046
2047 if (topo == 4) {
2048 qla_printk(KERN_INFO, ha,
2049 "Cannot get topology - retrying.\n");
2050 return (QLA_FUNCTION_FAILED);
2051 }
2052
2053 vha->loop_id = loop_id;
2054
2055 /* initialize */
2056 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2057 ha->operating_mode = LOOP;
2058 ha->switch_cap = 0;
2059
2060 switch (topo) {
2061 case 0:
2062 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
2063 vha->host_no));
2064 ha->current_topology = ISP_CFG_NL;
2065 strcpy(connect_type, "(Loop)");
2066 break;
2067
2068 case 1:
2069 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
2070 vha->host_no));
2071 ha->switch_cap = sw_cap;
2072 ha->current_topology = ISP_CFG_FL;
2073 strcpy(connect_type, "(FL_Port)");
2074 break;
2075
2076 case 2:
2077 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
2078 vha->host_no));
2079 ha->operating_mode = P2P;
2080 ha->current_topology = ISP_CFG_N;
2081 strcpy(connect_type, "(N_Port-to-N_Port)");
2082 break;
2083
2084 case 3:
2085 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
2086 vha->host_no));
2087 ha->switch_cap = sw_cap;
2088 ha->operating_mode = P2P;
2089 ha->current_topology = ISP_CFG_F;
2090 strcpy(connect_type, "(F_Port)");
2091 break;
2092
2093 default:
2094 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
2095 "Using NL.\n",
2096 vha->host_no, topo));
2097 ha->current_topology = ISP_CFG_NL;
2098 strcpy(connect_type, "(Loop)");
2099 break;
2100 }
2101
2102 /* Save Host port and loop ID. */
2103 /* byte order - Big Endian */
2104 vha->d_id.b.domain = domain;
2105 vha->d_id.b.area = area;
2106 vha->d_id.b.al_pa = al_pa;
2107
2108 if (!vha->flags.init_done)
2109 qla_printk(KERN_INFO, ha,
2110 "Topology - %s, Host Loop address 0x%x\n",
2111 connect_type, vha->loop_id);
2112
2113 if (rval) {
2114 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
2115 } else {
2116 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
2117 }
2118
2119 return(rval);
2120 }
2121
2122 inline void
2123 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2124 char *def)
2125 {
2126 char *st, *en;
2127 uint16_t index;
2128 struct qla_hw_data *ha = vha->hw;
2129 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2130 !IS_QLA8XXX_TYPE(ha);
2131
2132 if (memcmp(model, BINZERO, len) != 0) {
2133 strncpy(ha->model_number, model, len);
2134 st = en = ha->model_number;
2135 en += len - 1;
2136 while (en > st) {
2137 if (*en != 0x20 && *en != 0x00)
2138 break;
2139 *en-- = '\0';
2140 }
2141
2142 index = (ha->pdev->subsystem_device & 0xff);
2143 if (use_tbl &&
2144 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2145 index < QLA_MODEL_NAMES)
2146 strncpy(ha->model_desc,
2147 qla2x00_model_name[index * 2 + 1],
2148 sizeof(ha->model_desc) - 1);
2149 } else {
2150 index = (ha->pdev->subsystem_device & 0xff);
2151 if (use_tbl &&
2152 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2153 index < QLA_MODEL_NAMES) {
2154 strcpy(ha->model_number,
2155 qla2x00_model_name[index * 2]);
2156 strncpy(ha->model_desc,
2157 qla2x00_model_name[index * 2 + 1],
2158 sizeof(ha->model_desc) - 1);
2159 } else {
2160 strcpy(ha->model_number, def);
2161 }
2162 }
2163 if (IS_FWI2_CAPABLE(ha))
2164 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2165 sizeof(ha->model_desc));
2166 }
2167
2168 /* On sparc systems, obtain port and node WWN from firmware
2169 * properties.
2170 */
2171 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2172 {
2173 #ifdef CONFIG_SPARC
2174 struct qla_hw_data *ha = vha->hw;
2175 struct pci_dev *pdev = ha->pdev;
2176 struct device_node *dp = pci_device_to_OF_node(pdev);
2177 const u8 *val;
2178 int len;
2179
2180 val = of_get_property(dp, "port-wwn", &len);
2181 if (val && len >= WWN_SIZE)
2182 memcpy(nv->port_name, val, WWN_SIZE);
2183
2184 val = of_get_property(dp, "node-wwn", &len);
2185 if (val && len >= WWN_SIZE)
2186 memcpy(nv->node_name, val, WWN_SIZE);
2187 #endif
2188 }
2189
2190 /*
2191 * NVRAM configuration for ISP 2xxx
2192 *
2193 * Input:
2194 * ha = adapter block pointer.
2195 *
2196 * Output:
2197 * initialization control block in response_ring
2198 * host adapters parameters in host adapter block
2199 *
2200 * Returns:
2201 * 0 = success.
2202 */
2203 int
2204 qla2x00_nvram_config(scsi_qla_host_t *vha)
2205 {
2206 int rval;
2207 uint8_t chksum = 0;
2208 uint16_t cnt;
2209 uint8_t *dptr1, *dptr2;
2210 struct qla_hw_data *ha = vha->hw;
2211 init_cb_t *icb = ha->init_cb;
2212 nvram_t *nv = ha->nvram;
2213 uint8_t *ptr = ha->nvram;
2214 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2215
2216 rval = QLA_SUCCESS;
2217
2218 /* Determine NVRAM starting address. */
2219 ha->nvram_size = sizeof(nvram_t);
2220 ha->nvram_base = 0;
2221 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2222 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2223 ha->nvram_base = 0x80;
2224
2225 /* Get NVRAM data and calculate checksum. */
2226 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2227 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2228 chksum += *ptr++;
2229
2230 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
2231 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
2232
2233 /* Bad NVRAM data, set defaults parameters. */
2234 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2235 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2236 /* Reset NVRAM data. */
2237 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
2238 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
2239 nv->nvram_version);
2240 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
2241 "invalid -- WWPN) defaults.\n");
2242
2243 /*
2244 * Set default initialization control block.
2245 */
2246 memset(nv, 0, ha->nvram_size);
2247 nv->parameter_block_version = ICB_VERSION;
2248
2249 if (IS_QLA23XX(ha)) {
2250 nv->firmware_options[0] = BIT_2 | BIT_1;
2251 nv->firmware_options[1] = BIT_7 | BIT_5;
2252 nv->add_firmware_options[0] = BIT_5;
2253 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2254 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2255 nv->special_options[1] = BIT_7;
2256 } else if (IS_QLA2200(ha)) {
2257 nv->firmware_options[0] = BIT_2 | BIT_1;
2258 nv->firmware_options[1] = BIT_7 | BIT_5;
2259 nv->add_firmware_options[0] = BIT_5;
2260 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2261 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2262 } else if (IS_QLA2100(ha)) {
2263 nv->firmware_options[0] = BIT_3 | BIT_1;
2264 nv->firmware_options[1] = BIT_5;
2265 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2266 }
2267
2268 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2269 nv->execution_throttle = __constant_cpu_to_le16(16);
2270 nv->retry_count = 8;
2271 nv->retry_delay = 1;
2272
2273 nv->port_name[0] = 33;
2274 nv->port_name[3] = 224;
2275 nv->port_name[4] = 139;
2276
2277 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2278
2279 nv->login_timeout = 4;
2280
2281 /*
2282 * Set default host adapter parameters
2283 */
2284 nv->host_p[1] = BIT_2;
2285 nv->reset_delay = 5;
2286 nv->port_down_retry_count = 8;
2287 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2288 nv->link_down_timeout = 60;
2289
2290 rval = 1;
2291 }
2292
2293 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2294 /*
2295 * The SN2 does not provide BIOS emulation which means you can't change
2296 * potentially bogus BIOS settings. Force the use of default settings
2297 * for link rate and frame size. Hope that the rest of the settings
2298 * are valid.
2299 */
2300 if (ia64_platform_is("sn2")) {
2301 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2302 if (IS_QLA23XX(ha))
2303 nv->special_options[1] = BIT_7;
2304 }
2305 #endif
2306
2307 /* Reset Initialization control block */
2308 memset(icb, 0, ha->init_cb_size);
2309
2310 /*
2311 * Setup driver NVRAM options.
2312 */
2313 nv->firmware_options[0] |= (BIT_6 | BIT_1);
2314 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2315 nv->firmware_options[1] |= (BIT_5 | BIT_0);
2316 nv->firmware_options[1] &= ~BIT_4;
2317
2318 if (IS_QLA23XX(ha)) {
2319 nv->firmware_options[0] |= BIT_2;
2320 nv->firmware_options[0] &= ~BIT_3;
2321 nv->firmware_options[0] &= ~BIT_6;
2322 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2323
2324 if (IS_QLA2300(ha)) {
2325 if (ha->fb_rev == FPM_2310) {
2326 strcpy(ha->model_number, "QLA2310");
2327 } else {
2328 strcpy(ha->model_number, "QLA2300");
2329 }
2330 } else {
2331 qla2x00_set_model_info(vha, nv->model_number,
2332 sizeof(nv->model_number), "QLA23xx");
2333 }
2334 } else if (IS_QLA2200(ha)) {
2335 nv->firmware_options[0] |= BIT_2;
2336 /*
2337 * 'Point-to-point preferred, else loop' is not a safe
2338 * connection mode setting.
2339 */
2340 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2341 (BIT_5 | BIT_4)) {
2342 /* Force 'loop preferred, else point-to-point'. */
2343 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2344 nv->add_firmware_options[0] |= BIT_5;
2345 }
2346 strcpy(ha->model_number, "QLA22xx");
2347 } else /*if (IS_QLA2100(ha))*/ {
2348 strcpy(ha->model_number, "QLA2100");
2349 }
2350
2351 /*
2352 * Copy over NVRAM RISC parameter block to initialization control block.
2353 */
2354 dptr1 = (uint8_t *)icb;
2355 dptr2 = (uint8_t *)&nv->parameter_block_version;
2356 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2357 while (cnt--)
2358 *dptr1++ = *dptr2++;
2359
2360 /* Copy 2nd half. */
2361 dptr1 = (uint8_t *)icb->add_firmware_options;
2362 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2363 while (cnt--)
2364 *dptr1++ = *dptr2++;
2365
2366 /* Use alternate WWN? */
2367 if (nv->host_p[1] & BIT_7) {
2368 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2369 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2370 }
2371
2372 /* Prepare nodename */
2373 if ((icb->firmware_options[1] & BIT_6) == 0) {
2374 /*
2375 * Firmware will apply the following mask if the nodename was
2376 * not provided.
2377 */
2378 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2379 icb->node_name[0] &= 0xF0;
2380 }
2381
2382 /*
2383 * Set host adapter parameters.
2384 */
2385 if (nv->host_p[0] & BIT_7)
2386 ql2xextended_error_logging = 1;
2387 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2388 /* Always load RISC code on non ISP2[12]00 chips. */
2389 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2390 ha->flags.disable_risc_code_load = 0;
2391 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2392 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2393 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2394 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2395 ha->flags.disable_serdes = 0;
2396
2397 ha->operating_mode =
2398 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2399
2400 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2401 sizeof(ha->fw_seriallink_options));
2402
2403 /* save HBA serial number */
2404 ha->serial0 = icb->port_name[5];
2405 ha->serial1 = icb->port_name[6];
2406 ha->serial2 = icb->port_name[7];
2407 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2408 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2409
2410 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2411
2412 ha->retry_count = nv->retry_count;
2413
2414 /* Set minimum login_timeout to 4 seconds. */
2415 if (nv->login_timeout != ql2xlogintimeout)
2416 nv->login_timeout = ql2xlogintimeout;
2417 if (nv->login_timeout < 4)
2418 nv->login_timeout = 4;
2419 ha->login_timeout = nv->login_timeout;
2420 icb->login_timeout = nv->login_timeout;
2421
2422 /* Set minimum RATOV to 100 tenths of a second. */
2423 ha->r_a_tov = 100;
2424
2425 ha->loop_reset_delay = nv->reset_delay;
2426
2427 /* Link Down Timeout = 0:
2428 *
2429 * When Port Down timer expires we will start returning
2430 * I/O's to OS with "DID_NO_CONNECT".
2431 *
2432 * Link Down Timeout != 0:
2433 *
2434 * The driver waits for the link to come up after link down
2435 * before returning I/Os to OS with "DID_NO_CONNECT".
2436 */
2437 if (nv->link_down_timeout == 0) {
2438 ha->loop_down_abort_time =
2439 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2440 } else {
2441 ha->link_down_timeout = nv->link_down_timeout;
2442 ha->loop_down_abort_time =
2443 (LOOP_DOWN_TIME - ha->link_down_timeout);
2444 }
2445
2446 /*
2447 * Need enough time to try and get the port back.
2448 */
2449 ha->port_down_retry_count = nv->port_down_retry_count;
2450 if (qlport_down_retry)
2451 ha->port_down_retry_count = qlport_down_retry;
2452 /* Set login_retry_count */
2453 ha->login_retry_count = nv->retry_count;
2454 if (ha->port_down_retry_count == nv->port_down_retry_count &&
2455 ha->port_down_retry_count > 3)
2456 ha->login_retry_count = ha->port_down_retry_count;
2457 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2458 ha->login_retry_count = ha->port_down_retry_count;
2459 if (ql2xloginretrycount)
2460 ha->login_retry_count = ql2xloginretrycount;
2461
2462 icb->lun_enables = __constant_cpu_to_le16(0);
2463 icb->command_resource_count = 0;
2464 icb->immediate_notify_resource_count = 0;
2465 icb->timeout = __constant_cpu_to_le16(0);
2466
2467 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2468 /* Enable RIO */
2469 icb->firmware_options[0] &= ~BIT_3;
2470 icb->add_firmware_options[0] &=
2471 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2472 icb->add_firmware_options[0] |= BIT_2;
2473 icb->response_accumulation_timer = 3;
2474 icb->interrupt_delay_timer = 5;
2475
2476 vha->flags.process_response_queue = 1;
2477 } else {
2478 /* Enable ZIO. */
2479 if (!vha->flags.init_done) {
2480 ha->zio_mode = icb->add_firmware_options[0] &
2481 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2482 ha->zio_timer = icb->interrupt_delay_timer ?
2483 icb->interrupt_delay_timer: 2;
2484 }
2485 icb->add_firmware_options[0] &=
2486 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2487 vha->flags.process_response_queue = 0;
2488 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2489 ha->zio_mode = QLA_ZIO_MODE_6;
2490
2491 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2492 "delay (%d us).\n", vha->host_no, ha->zio_mode,
2493 ha->zio_timer * 100));
2494 qla_printk(KERN_INFO, ha,
2495 "ZIO mode %d enabled; timer delay (%d us).\n",
2496 ha->zio_mode, ha->zio_timer * 100);
2497
2498 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2499 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2500 vha->flags.process_response_queue = 1;
2501 }
2502 }
2503
2504 if (rval) {
2505 DEBUG2_3(printk(KERN_WARNING
2506 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2507 }
2508 return (rval);
2509 }
2510
2511 static void
2512 qla2x00_rport_del(void *data)
2513 {
2514 fc_port_t *fcport = data;
2515 struct fc_rport *rport;
2516 unsigned long flags;
2517
2518 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2519 rport = fcport->drport ? fcport->drport: fcport->rport;
2520 fcport->drport = NULL;
2521 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2522 if (rport)
2523 fc_remote_port_delete(rport);
2524 }
2525
2526 /**
2527 * qla2x00_alloc_fcport() - Allocate a generic fcport.
2528 * @ha: HA context
2529 * @flags: allocation flags
2530 *
2531 * Returns a pointer to the allocated fcport, or NULL, if none available.
2532 */
2533 fc_port_t *
2534 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2535 {
2536 fc_port_t *fcport;
2537
2538 fcport = kzalloc(sizeof(fc_port_t), flags);
2539 if (!fcport)
2540 return NULL;
2541
2542 /* Setup fcport template structure. */
2543 fcport->vha = vha;
2544 fcport->vp_idx = vha->vp_idx;
2545 fcport->port_type = FCT_UNKNOWN;
2546 fcport->loop_id = FC_NO_LOOP_ID;
2547 qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2548 fcport->supported_classes = FC_COS_UNSPECIFIED;
2549
2550 return fcport;
2551 }
2552
2553 /*
2554 * qla2x00_configure_loop
2555 * Updates Fibre Channel Device Database with what is actually on loop.
2556 *
2557 * Input:
2558 * ha = adapter block pointer.
2559 *
2560 * Returns:
2561 * 0 = success.
2562 * 1 = error.
2563 * 2 = database was full and device was not configured.
2564 */
2565 static int
2566 qla2x00_configure_loop(scsi_qla_host_t *vha)
2567 {
2568 int rval;
2569 unsigned long flags, save_flags;
2570 struct qla_hw_data *ha = vha->hw;
2571 rval = QLA_SUCCESS;
2572
2573 /* Get Initiator ID */
2574 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2575 rval = qla2x00_configure_hba(vha);
2576 if (rval != QLA_SUCCESS) {
2577 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2578 vha->host_no));
2579 return (rval);
2580 }
2581 }
2582
2583 save_flags = flags = vha->dpc_flags;
2584 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2585 vha->host_no, flags));
2586
2587 /*
2588 * If we have both an RSCN and PORT UPDATE pending then handle them
2589 * both at the same time.
2590 */
2591 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2592 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2593
2594 qla2x00_get_data_rate(vha);
2595
2596 /* Determine what we need to do */
2597 if (ha->current_topology == ISP_CFG_FL &&
2598 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2599
2600 vha->flags.rscn_queue_overflow = 1;
2601 set_bit(RSCN_UPDATE, &flags);
2602
2603 } else if (ha->current_topology == ISP_CFG_F &&
2604 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2605
2606 vha->flags.rscn_queue_overflow = 1;
2607 set_bit(RSCN_UPDATE, &flags);
2608 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2609
2610 } else if (ha->current_topology == ISP_CFG_N) {
2611 clear_bit(RSCN_UPDATE, &flags);
2612
2613 } else if (!vha->flags.online ||
2614 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2615
2616 vha->flags.rscn_queue_overflow = 1;
2617 set_bit(RSCN_UPDATE, &flags);
2618 set_bit(LOCAL_LOOP_UPDATE, &flags);
2619 }
2620
2621 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2622 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2623 rval = QLA_FUNCTION_FAILED;
2624 else
2625 rval = qla2x00_configure_local_loop(vha);
2626 }
2627
2628 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2629 if (LOOP_TRANSITION(vha))
2630 rval = QLA_FUNCTION_FAILED;
2631 else
2632 rval = qla2x00_configure_fabric(vha);
2633 }
2634
2635 if (rval == QLA_SUCCESS) {
2636 if (atomic_read(&vha->loop_down_timer) ||
2637 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2638 rval = QLA_FUNCTION_FAILED;
2639 } else {
2640 atomic_set(&vha->loop_state, LOOP_READY);
2641
2642 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2643 }
2644 }
2645
2646 if (rval) {
2647 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2648 __func__, vha->host_no));
2649 } else {
2650 DEBUG3(printk("%s: exiting normally\n", __func__));
2651 }
2652
2653 /* Restore state if a resync event occurred during processing */
2654 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2655 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2656 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2657 if (test_bit(RSCN_UPDATE, &save_flags)) {
2658 set_bit(RSCN_UPDATE, &vha->dpc_flags);
2659 if (!IS_ALOGIO_CAPABLE(ha))
2660 vha->flags.rscn_queue_overflow = 1;
2661 }
2662 }
2663
2664 return (rval);
2665 }
2666
2667
2668
2669 /*
2670 * qla2x00_configure_local_loop
2671 * Updates Fibre Channel Device Database with local loop devices.
2672 *
2673 * Input:
2674 * ha = adapter block pointer.
2675 *
2676 * Returns:
2677 * 0 = success.
2678 */
2679 static int
2680 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2681 {
2682 int rval, rval2;
2683 int found_devs;
2684 int found;
2685 fc_port_t *fcport, *new_fcport;
2686
2687 uint16_t index;
2688 uint16_t entries;
2689 char *id_iter;
2690 uint16_t loop_id;
2691 uint8_t domain, area, al_pa;
2692 struct qla_hw_data *ha = vha->hw;
2693
2694 found_devs = 0;
2695 new_fcport = NULL;
2696 entries = MAX_FIBRE_DEVICES;
2697
2698 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2699 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2700
2701 /* Get list of logged in devices. */
2702 memset(ha->gid_list, 0, GID_LIST_SIZE);
2703 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2704 &entries);
2705 if (rval != QLA_SUCCESS)
2706 goto cleanup_allocation;
2707
2708 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2709 vha->host_no, entries));
2710 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2711 entries * sizeof(struct gid_list_info)));
2712
2713 /* Allocate temporary fcport for any new fcports discovered. */
2714 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2715 if (new_fcport == NULL) {
2716 rval = QLA_MEMORY_ALLOC_FAILED;
2717 goto cleanup_allocation;
2718 }
2719 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2720
2721 /*
2722 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2723 */
2724 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2725 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2726 fcport->port_type != FCT_BROADCAST &&
2727 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2728
2729 DEBUG(printk("scsi(%ld): Marking port lost, "
2730 "loop_id=0x%04x\n",
2731 vha->host_no, fcport->loop_id));
2732
2733 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2734 }
2735 }
2736
2737 /* Add devices to port list. */
2738 id_iter = (char *)ha->gid_list;
2739 for (index = 0; index < entries; index++) {
2740 domain = ((struct gid_list_info *)id_iter)->domain;
2741 area = ((struct gid_list_info *)id_iter)->area;
2742 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2743 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2744 loop_id = (uint16_t)
2745 ((struct gid_list_info *)id_iter)->loop_id_2100;
2746 else
2747 loop_id = le16_to_cpu(
2748 ((struct gid_list_info *)id_iter)->loop_id);
2749 id_iter += ha->gid_list_info_size;
2750
2751 /* Bypass reserved domain fields. */
2752 if ((domain & 0xf0) == 0xf0)
2753 continue;
2754
2755 /* Bypass if not same domain and area of adapter. */
2756 if (area && domain &&
2757 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2758 continue;
2759
2760 /* Bypass invalid local loop ID. */
2761 if (loop_id > LAST_LOCAL_LOOP_ID)
2762 continue;
2763
2764 /* Fill in member data. */
2765 new_fcport->d_id.b.domain = domain;
2766 new_fcport->d_id.b.area = area;
2767 new_fcport->d_id.b.al_pa = al_pa;
2768 new_fcport->loop_id = loop_id;
2769 new_fcport->vp_idx = vha->vp_idx;
2770 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2771 if (rval2 != QLA_SUCCESS) {
2772 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2773 "information -- get_port_database=%x, "
2774 "loop_id=0x%04x\n",
2775 vha->host_no, rval2, new_fcport->loop_id));
2776 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2777 vha->host_no));
2778 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2779 continue;
2780 }
2781
2782 /* Check for matching device in port list. */
2783 found = 0;
2784 fcport = NULL;
2785 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2786 if (memcmp(new_fcport->port_name, fcport->port_name,
2787 WWN_SIZE))
2788 continue;
2789
2790 fcport->flags &= ~FCF_FABRIC_DEVICE;
2791 fcport->loop_id = new_fcport->loop_id;
2792 fcport->port_type = new_fcport->port_type;
2793 fcport->d_id.b24 = new_fcport->d_id.b24;
2794 memcpy(fcport->node_name, new_fcport->node_name,
2795 WWN_SIZE);
2796
2797 found++;
2798 break;
2799 }
2800
2801 if (!found) {
2802 /* New device, add to fcports list. */
2803 if (vha->vp_idx) {
2804 new_fcport->vha = vha;
2805 new_fcport->vp_idx = vha->vp_idx;
2806 }
2807 list_add_tail(&new_fcport->list, &vha->vp_fcports);
2808
2809 /* Allocate a new replacement fcport. */
2810 fcport = new_fcport;
2811 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2812 if (new_fcport == NULL) {
2813 rval = QLA_MEMORY_ALLOC_FAILED;
2814 goto cleanup_allocation;
2815 }
2816 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2817 }
2818
2819 /* Base iIDMA settings on HBA port speed. */
2820 fcport->fp_speed = ha->link_data_rate;
2821
2822 qla2x00_update_fcport(vha, fcport);
2823
2824 found_devs++;
2825 }
2826
2827 cleanup_allocation:
2828 kfree(new_fcport);
2829
2830 if (rval != QLA_SUCCESS) {
2831 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2832 "rval=%x\n", vha->host_no, rval));
2833 }
2834
2835 return (rval);
2836 }
2837
2838 static void
2839 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2840 {
2841 #define LS_UNKNOWN 2
2842 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2843 char *link_speed;
2844 int rval;
2845 uint16_t mb[4];
2846 struct qla_hw_data *ha = vha->hw;
2847
2848 if (!IS_IIDMA_CAPABLE(ha))
2849 return;
2850
2851 if (atomic_read(&fcport->state) != FCS_ONLINE)
2852 return;
2853
2854 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2855 fcport->fp_speed > ha->link_data_rate)
2856 return;
2857
2858 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2859 mb);
2860 if (rval != QLA_SUCCESS) {
2861 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2862 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2863 vha->host_no, fcport->port_name[0], fcport->port_name[1],
2864 fcport->port_name[2], fcport->port_name[3],
2865 fcport->port_name[4], fcport->port_name[5],
2866 fcport->port_name[6], fcport->port_name[7], rval,
2867 fcport->fp_speed, mb[0], mb[1]));
2868 } else {
2869 link_speed = link_speeds[LS_UNKNOWN];
2870 if (fcport->fp_speed < 5)
2871 link_speed = link_speeds[fcport->fp_speed];
2872 else if (fcport->fp_speed == 0x13)
2873 link_speed = link_speeds[5];
2874 DEBUG2(qla_printk(KERN_INFO, ha,
2875 "iIDMA adjusted to %s GB/s on "
2876 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2877 link_speed, fcport->port_name[0],
2878 fcport->port_name[1], fcport->port_name[2],
2879 fcport->port_name[3], fcport->port_name[4],
2880 fcport->port_name[5], fcport->port_name[6],
2881 fcport->port_name[7]));
2882 }
2883 }
2884
2885 static void
2886 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2887 {
2888 struct fc_rport_identifiers rport_ids;
2889 struct fc_rport *rport;
2890 struct qla_hw_data *ha = vha->hw;
2891 unsigned long flags;
2892
2893 qla2x00_rport_del(fcport);
2894
2895 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2896 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2897 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2898 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2899 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2900 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2901 if (!rport) {
2902 qla_printk(KERN_WARNING, ha,
2903 "Unable to allocate fc remote port!\n");
2904 return;
2905 }
2906 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2907 *((fc_port_t **)rport->dd_data) = fcport;
2908 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2909
2910 rport->supported_classes = fcport->supported_classes;
2911
2912 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2913 if (fcport->port_type == FCT_INITIATOR)
2914 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2915 if (fcport->port_type == FCT_TARGET)
2916 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2917 fc_remote_port_rolechg(rport, rport_ids.roles);
2918 }
2919
2920 /*
2921 * qla2x00_update_fcport
2922 * Updates device on list.
2923 *
2924 * Input:
2925 * ha = adapter block pointer.
2926 * fcport = port structure pointer.
2927 *
2928 * Return:
2929 * 0 - Success
2930 * BIT_0 - error
2931 *
2932 * Context:
2933 * Kernel context.
2934 */
2935 void
2936 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2937 {
2938 fcport->vha = vha;
2939 fcport->login_retry = 0;
2940 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2941
2942 qla2x00_iidma_fcport(vha, fcport);
2943 qla24xx_update_fcport_fcp_prio(vha, fcport);
2944 qla2x00_reg_remote_port(vha, fcport);
2945 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
2946 }
2947
2948 /*
2949 * qla2x00_configure_fabric
2950 * Setup SNS devices with loop ID's.
2951 *
2952 * Input:
2953 * ha = adapter block pointer.
2954 *
2955 * Returns:
2956 * 0 = success.
2957 * BIT_0 = error
2958 */
2959 static int
2960 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2961 {
2962 int rval, rval2;
2963 fc_port_t *fcport, *fcptemp;
2964 uint16_t next_loopid;
2965 uint16_t mb[MAILBOX_REGISTER_COUNT];
2966 uint16_t loop_id;
2967 LIST_HEAD(new_fcports);
2968 struct qla_hw_data *ha = vha->hw;
2969 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2970
2971 /* If FL port exists, then SNS is present */
2972 if (IS_FWI2_CAPABLE(ha))
2973 loop_id = NPH_F_PORT;
2974 else
2975 loop_id = SNS_FL_PORT;
2976 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2977 if (rval != QLA_SUCCESS) {
2978 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2979 "Port\n", vha->host_no));
2980
2981 vha->device_flags &= ~SWITCH_FOUND;
2982 return (QLA_SUCCESS);
2983 }
2984 vha->device_flags |= SWITCH_FOUND;
2985
2986 /* Mark devices that need re-synchronization. */
2987 rval2 = qla2x00_device_resync(vha);
2988 if (rval2 == QLA_RSCNS_HANDLED) {
2989 /* No point doing the scan, just continue. */
2990 return (QLA_SUCCESS);
2991 }
2992 do {
2993 /* FDMI support. */
2994 if (ql2xfdmienable &&
2995 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2996 qla2x00_fdmi_register(vha);
2997
2998 /* Ensure we are logged into the SNS. */
2999 if (IS_FWI2_CAPABLE(ha))
3000 loop_id = NPH_SNS;
3001 else
3002 loop_id = SIMPLE_NAME_SERVER;
3003 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3004 0xfc, mb, BIT_1 | BIT_0);
3005 if (mb[0] != MBS_COMMAND_COMPLETE) {
3006 DEBUG2(qla_printk(KERN_INFO, ha,
3007 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
3008 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
3009 mb[0], mb[1], mb[2], mb[6], mb[7]));
3010 return (QLA_SUCCESS);
3011 }
3012
3013 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3014 if (qla2x00_rft_id(vha)) {
3015 /* EMPTY */
3016 DEBUG2(printk("scsi(%ld): Register FC-4 "
3017 "TYPE failed.\n", vha->host_no));
3018 }
3019 if (qla2x00_rff_id(vha)) {
3020 /* EMPTY */
3021 DEBUG2(printk("scsi(%ld): Register FC-4 "
3022 "Features failed.\n", vha->host_no));
3023 }
3024 if (qla2x00_rnn_id(vha)) {
3025 /* EMPTY */
3026 DEBUG2(printk("scsi(%ld): Register Node Name "
3027 "failed.\n", vha->host_no));
3028 } else if (qla2x00_rsnn_nn(vha)) {
3029 /* EMPTY */
3030 DEBUG2(printk("scsi(%ld): Register Symbolic "
3031 "Node Name failed.\n", vha->host_no));
3032 }
3033 }
3034
3035 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3036 if (rval != QLA_SUCCESS)
3037 break;
3038
3039 /*
3040 * Logout all previous fabric devices marked lost, except
3041 * FCP2 devices.
3042 */
3043 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3044 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3045 break;
3046
3047 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3048 continue;
3049
3050 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3051 qla2x00_mark_device_lost(vha, fcport,
3052 ql2xplogiabsentdevice, 0);
3053 if (fcport->loop_id != FC_NO_LOOP_ID &&
3054 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3055 fcport->port_type != FCT_INITIATOR &&
3056 fcport->port_type != FCT_BROADCAST) {
3057 ha->isp_ops->fabric_logout(vha,
3058 fcport->loop_id,
3059 fcport->d_id.b.domain,
3060 fcport->d_id.b.area,
3061 fcport->d_id.b.al_pa);
3062 fcport->loop_id = FC_NO_LOOP_ID;
3063 }
3064 }
3065 }
3066
3067 /* Starting free loop ID. */
3068 next_loopid = ha->min_external_loopid;
3069
3070 /*
3071 * Scan through our port list and login entries that need to be
3072 * logged in.
3073 */
3074 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3075 if (atomic_read(&vha->loop_down_timer) ||
3076 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3077 break;
3078
3079 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3080 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3081 continue;
3082
3083 if (fcport->loop_id == FC_NO_LOOP_ID) {
3084 fcport->loop_id = next_loopid;
3085 rval = qla2x00_find_new_loop_id(
3086 base_vha, fcport);
3087 if (rval != QLA_SUCCESS) {
3088 /* Ran out of IDs to use */
3089 break;
3090 }
3091 }
3092 /* Login and update database */
3093 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3094 }
3095
3096 /* Exit if out of loop IDs. */
3097 if (rval != QLA_SUCCESS) {
3098 break;
3099 }
3100
3101 /*
3102 * Login and add the new devices to our port list.
3103 */
3104 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3105 if (atomic_read(&vha->loop_down_timer) ||
3106 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3107 break;
3108
3109 /* Find a new loop ID to use. */
3110 fcport->loop_id = next_loopid;
3111 rval = qla2x00_find_new_loop_id(base_vha, fcport);
3112 if (rval != QLA_SUCCESS) {
3113 /* Ran out of IDs to use */
3114 break;
3115 }
3116
3117 /* Login and update database */
3118 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3119
3120 if (vha->vp_idx) {
3121 fcport->vha = vha;
3122 fcport->vp_idx = vha->vp_idx;
3123 }
3124 list_move_tail(&fcport->list, &vha->vp_fcports);
3125 }
3126 } while (0);
3127
3128 /* Free all new device structures not processed. */
3129 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3130 list_del(&fcport->list);
3131 kfree(fcport);
3132 }
3133
3134 if (rval) {
3135 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
3136 "rval=%d\n", vha->host_no, rval));
3137 }
3138
3139 return (rval);
3140 }
3141
3142 /*
3143 * qla2x00_find_all_fabric_devs
3144 *
3145 * Input:
3146 * ha = adapter block pointer.
3147 * dev = database device entry pointer.
3148 *
3149 * Returns:
3150 * 0 = success.
3151 *
3152 * Context:
3153 * Kernel context.
3154 */
3155 static int
3156 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3157 struct list_head *new_fcports)
3158 {
3159 int rval;
3160 uint16_t loop_id;
3161 fc_port_t *fcport, *new_fcport, *fcptemp;
3162 int found;
3163
3164 sw_info_t *swl;
3165 int swl_idx;
3166 int first_dev, last_dev;
3167 port_id_t wrap = {}, nxt_d_id;
3168 struct qla_hw_data *ha = vha->hw;
3169 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3170 struct scsi_qla_host *tvp;
3171
3172 rval = QLA_SUCCESS;
3173
3174 /* Try GID_PT to get device list, else GAN. */
3175 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
3176 if (!swl) {
3177 /*EMPTY*/
3178 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
3179 "on GA_NXT\n", vha->host_no));
3180 } else {
3181 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3182 kfree(swl);
3183 swl = NULL;
3184 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3185 kfree(swl);
3186 swl = NULL;
3187 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3188 kfree(swl);
3189 swl = NULL;
3190 } else if (ql2xiidmaenable &&
3191 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3192 qla2x00_gpsc(vha, swl);
3193 }
3194
3195 /* If other queries succeeded probe for FC-4 type */
3196 if (swl)
3197 qla2x00_gff_id(vha, swl);
3198 }
3199 swl_idx = 0;
3200
3201 /* Allocate temporary fcport for any new fcports discovered. */
3202 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3203 if (new_fcport == NULL) {
3204 kfree(swl);
3205 return (QLA_MEMORY_ALLOC_FAILED);
3206 }
3207 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3208 /* Set start port ID scan at adapter ID. */
3209 first_dev = 1;
3210 last_dev = 0;
3211
3212 /* Starting free loop ID. */
3213 loop_id = ha->min_external_loopid;
3214 for (; loop_id <= ha->max_loop_id; loop_id++) {
3215 if (qla2x00_is_reserved_id(vha, loop_id))
3216 continue;
3217
3218 if (ha->current_topology == ISP_CFG_FL &&
3219 (atomic_read(&vha->loop_down_timer) ||
3220 LOOP_TRANSITION(vha))) {
3221 atomic_set(&vha->loop_down_timer, 0);
3222 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3223 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3224 break;
3225 }
3226
3227 if (swl != NULL) {
3228 if (last_dev) {
3229 wrap.b24 = new_fcport->d_id.b24;
3230 } else {
3231 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3232 memcpy(new_fcport->node_name,
3233 swl[swl_idx].node_name, WWN_SIZE);
3234 memcpy(new_fcport->port_name,
3235 swl[swl_idx].port_name, WWN_SIZE);
3236 memcpy(new_fcport->fabric_port_name,
3237 swl[swl_idx].fabric_port_name, WWN_SIZE);
3238 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3239 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3240
3241 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3242 last_dev = 1;
3243 }
3244 swl_idx++;
3245 }
3246 } else {
3247 /* Send GA_NXT to the switch */
3248 rval = qla2x00_ga_nxt(vha, new_fcport);
3249 if (rval != QLA_SUCCESS) {
3250 qla_printk(KERN_WARNING, ha,
3251 "SNS scan failed -- assuming zero-entry "
3252 "result...\n");
3253 list_for_each_entry_safe(fcport, fcptemp,
3254 new_fcports, list) {
3255 list_del(&fcport->list);
3256 kfree(fcport);
3257 }
3258 rval = QLA_SUCCESS;
3259 break;
3260 }
3261 }
3262
3263 /* If wrap on switch device list, exit. */
3264 if (first_dev) {
3265 wrap.b24 = new_fcport->d_id.b24;
3266 first_dev = 0;
3267 } else if (new_fcport->d_id.b24 == wrap.b24) {
3268 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
3269 vha->host_no, new_fcport->d_id.b.domain,
3270 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
3271 break;
3272 }
3273
3274 /* Bypass if same physical adapter. */
3275 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3276 continue;
3277
3278 /* Bypass virtual ports of the same host. */
3279 found = 0;
3280 if (ha->num_vhosts) {
3281 unsigned long flags;
3282
3283 spin_lock_irqsave(&ha->vport_slock, flags);
3284 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3285 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3286 found = 1;
3287 break;
3288 }
3289 }
3290 spin_unlock_irqrestore(&ha->vport_slock, flags);
3291
3292 if (found)
3293 continue;
3294 }
3295
3296 /* Bypass if same domain and area of adapter. */
3297 if (((new_fcport->d_id.b24 & 0xffff00) ==
3298 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3299 ISP_CFG_FL)
3300 continue;
3301
3302 /* Bypass reserved domain fields. */
3303 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3304 continue;
3305
3306 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3307 if (ql2xgffidenable &&
3308 (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3309 new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3310 continue;
3311
3312 /* Locate matching device in database. */
3313 found = 0;
3314 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3315 if (memcmp(new_fcport->port_name, fcport->port_name,
3316 WWN_SIZE))
3317 continue;
3318
3319 found++;
3320
3321 /* Update port state. */
3322 memcpy(fcport->fabric_port_name,
3323 new_fcport->fabric_port_name, WWN_SIZE);
3324 fcport->fp_speed = new_fcport->fp_speed;
3325
3326 /*
3327 * If address the same and state FCS_ONLINE, nothing
3328 * changed.
3329 */
3330 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3331 atomic_read(&fcport->state) == FCS_ONLINE) {
3332 break;
3333 }
3334
3335 /*
3336 * If device was not a fabric device before.
3337 */
3338 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3339 fcport->d_id.b24 = new_fcport->d_id.b24;
3340 fcport->loop_id = FC_NO_LOOP_ID;
3341 fcport->flags |= (FCF_FABRIC_DEVICE |
3342 FCF_LOGIN_NEEDED);
3343 break;
3344 }
3345
3346 /*
3347 * Port ID changed or device was marked to be updated;
3348 * Log it out if still logged in and mark it for
3349 * relogin later.
3350 */
3351 fcport->d_id.b24 = new_fcport->d_id.b24;
3352 fcport->flags |= FCF_LOGIN_NEEDED;
3353 if (fcport->loop_id != FC_NO_LOOP_ID &&
3354 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3355 fcport->port_type != FCT_INITIATOR &&
3356 fcport->port_type != FCT_BROADCAST) {
3357 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3358 fcport->d_id.b.domain, fcport->d_id.b.area,
3359 fcport->d_id.b.al_pa);
3360 fcport->loop_id = FC_NO_LOOP_ID;
3361 }
3362
3363 break;
3364 }
3365
3366 if (found)
3367 continue;
3368 /* If device was not in our fcports list, then add it. */
3369 list_add_tail(&new_fcport->list, new_fcports);
3370
3371 /* Allocate a new replacement fcport. */
3372 nxt_d_id.b24 = new_fcport->d_id.b24;
3373 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3374 if (new_fcport == NULL) {
3375 kfree(swl);
3376 return (QLA_MEMORY_ALLOC_FAILED);
3377 }
3378 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3379 new_fcport->d_id.b24 = nxt_d_id.b24;
3380 }
3381
3382 kfree(swl);
3383 kfree(new_fcport);
3384
3385 return (rval);
3386 }
3387
3388 /*
3389 * qla2x00_find_new_loop_id
3390 * Scan through our port list and find a new usable loop ID.
3391 *
3392 * Input:
3393 * ha: adapter state pointer.
3394 * dev: port structure pointer.
3395 *
3396 * Returns:
3397 * qla2x00 local function return status code.
3398 *
3399 * Context:
3400 * Kernel context.
3401 */
3402 int
3403 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3404 {
3405 int rval;
3406 int found;
3407 fc_port_t *fcport;
3408 uint16_t first_loop_id;
3409 struct qla_hw_data *ha = vha->hw;
3410 struct scsi_qla_host *vp;
3411 struct scsi_qla_host *tvp;
3412 unsigned long flags = 0;
3413
3414 rval = QLA_SUCCESS;
3415
3416 /* Save starting loop ID. */
3417 first_loop_id = dev->loop_id;
3418
3419 for (;;) {
3420 /* Skip loop ID if already used by adapter. */
3421 if (dev->loop_id == vha->loop_id)
3422 dev->loop_id++;
3423
3424 /* Skip reserved loop IDs. */
3425 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3426 dev->loop_id++;
3427
3428 /* Reset loop ID if passed the end. */
3429 if (dev->loop_id > ha->max_loop_id) {
3430 /* first loop ID. */
3431 dev->loop_id = ha->min_external_loopid;
3432 }
3433
3434 /* Check for loop ID being already in use. */
3435 found = 0;
3436 fcport = NULL;
3437
3438 spin_lock_irqsave(&ha->vport_slock, flags);
3439 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3440 list_for_each_entry(fcport, &vp->vp_fcports, list) {
3441 if (fcport->loop_id == dev->loop_id &&
3442 fcport != dev) {
3443 /* ID possibly in use */
3444 found++;
3445 break;
3446 }
3447 }
3448 if (found)
3449 break;
3450 }
3451 spin_unlock_irqrestore(&ha->vport_slock, flags);
3452
3453 /* If not in use then it is free to use. */
3454 if (!found) {
3455 break;
3456 }
3457
3458 /* ID in use. Try next value. */
3459 dev->loop_id++;
3460
3461 /* If wrap around. No free ID to use. */
3462 if (dev->loop_id == first_loop_id) {
3463 dev->loop_id = FC_NO_LOOP_ID;
3464 rval = QLA_FUNCTION_FAILED;
3465 break;
3466 }
3467 }
3468
3469 return (rval);
3470 }
3471
3472 /*
3473 * qla2x00_device_resync
3474 * Marks devices in the database that needs resynchronization.
3475 *
3476 * Input:
3477 * ha = adapter block pointer.
3478 *
3479 * Context:
3480 * Kernel context.
3481 */
3482 static int
3483 qla2x00_device_resync(scsi_qla_host_t *vha)
3484 {
3485 int rval;
3486 uint32_t mask;
3487 fc_port_t *fcport;
3488 uint32_t rscn_entry;
3489 uint8_t rscn_out_iter;
3490 uint8_t format;
3491 port_id_t d_id = {};
3492
3493 rval = QLA_RSCNS_HANDLED;
3494
3495 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3496 vha->flags.rscn_queue_overflow) {
3497
3498 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3499 format = MSB(MSW(rscn_entry));
3500 d_id.b.domain = LSB(MSW(rscn_entry));
3501 d_id.b.area = MSB(LSW(rscn_entry));
3502 d_id.b.al_pa = LSB(LSW(rscn_entry));
3503
3504 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3505 "[%02x/%02x%02x%02x].\n",
3506 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3507 d_id.b.area, d_id.b.al_pa));
3508
3509 vha->rscn_out_ptr++;
3510 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3511 vha->rscn_out_ptr = 0;
3512
3513 /* Skip duplicate entries. */
3514 for (rscn_out_iter = vha->rscn_out_ptr;
3515 !vha->flags.rscn_queue_overflow &&
3516 rscn_out_iter != vha->rscn_in_ptr;
3517 rscn_out_iter = (rscn_out_iter ==
3518 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3519
3520 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3521 break;
3522
3523 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3524 "entry found at [%d].\n", vha->host_no,
3525 rscn_out_iter));
3526
3527 vha->rscn_out_ptr = rscn_out_iter;
3528 }
3529
3530 /* Queue overflow, set switch default case. */
3531 if (vha->flags.rscn_queue_overflow) {
3532 DEBUG(printk("scsi(%ld): device_resync: rscn "
3533 "overflow.\n", vha->host_no));
3534
3535 format = 3;
3536 vha->flags.rscn_queue_overflow = 0;
3537 }
3538
3539 switch (format) {
3540 case 0:
3541 mask = 0xffffff;
3542 break;
3543 case 1:
3544 mask = 0xffff00;
3545 break;
3546 case 2:
3547 mask = 0xff0000;
3548 break;
3549 default:
3550 mask = 0x0;
3551 d_id.b24 = 0;
3552 vha->rscn_out_ptr = vha->rscn_in_ptr;
3553 break;
3554 }
3555
3556 rval = QLA_SUCCESS;
3557
3558 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3559 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3560 (fcport->d_id.b24 & mask) != d_id.b24 ||
3561 fcport->port_type == FCT_BROADCAST)
3562 continue;
3563
3564 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3565 if (format != 3 ||
3566 fcport->port_type != FCT_INITIATOR) {
3567 qla2x00_mark_device_lost(vha, fcport,
3568 0, 0);
3569 }
3570 }
3571 }
3572 }
3573 return (rval);
3574 }
3575
3576 /*
3577 * qla2x00_fabric_dev_login
3578 * Login fabric target device and update FC port database.
3579 *
3580 * Input:
3581 * ha: adapter state pointer.
3582 * fcport: port structure list pointer.
3583 * next_loopid: contains value of a new loop ID that can be used
3584 * by the next login attempt.
3585 *
3586 * Returns:
3587 * qla2x00 local function return status code.
3588 *
3589 * Context:
3590 * Kernel context.
3591 */
3592 static int
3593 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3594 uint16_t *next_loopid)
3595 {
3596 int rval;
3597 int retry;
3598 uint8_t opts;
3599 struct qla_hw_data *ha = vha->hw;
3600
3601 rval = QLA_SUCCESS;
3602 retry = 0;
3603
3604 if (IS_ALOGIO_CAPABLE(ha)) {
3605 if (fcport->flags & FCF_ASYNC_SENT)
3606 return rval;
3607 fcport->flags |= FCF_ASYNC_SENT;
3608 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3609 if (!rval)
3610 return rval;
3611 }
3612
3613 fcport->flags &= ~FCF_ASYNC_SENT;
3614 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3615 if (rval == QLA_SUCCESS) {
3616 /* Send an ADISC to FCP2 devices.*/
3617 opts = 0;
3618 if (fcport->flags & FCF_FCP2_DEVICE)
3619 opts |= BIT_1;
3620 rval = qla2x00_get_port_database(vha, fcport, opts);
3621 if (rval != QLA_SUCCESS) {
3622 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3623 fcport->d_id.b.domain, fcport->d_id.b.area,
3624 fcport->d_id.b.al_pa);
3625 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3626 } else {
3627 qla2x00_update_fcport(vha, fcport);
3628 }
3629 }
3630
3631 return (rval);
3632 }
3633
3634 /*
3635 * qla2x00_fabric_login
3636 * Issue fabric login command.
3637 *
3638 * Input:
3639 * ha = adapter block pointer.
3640 * device = pointer to FC device type structure.
3641 *
3642 * Returns:
3643 * 0 - Login successfully
3644 * 1 - Login failed
3645 * 2 - Initiator device
3646 * 3 - Fatal error
3647 */
3648 int
3649 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3650 uint16_t *next_loopid)
3651 {
3652 int rval;
3653 int retry;
3654 uint16_t tmp_loopid;
3655 uint16_t mb[MAILBOX_REGISTER_COUNT];
3656 struct qla_hw_data *ha = vha->hw;
3657
3658 retry = 0;
3659 tmp_loopid = 0;
3660
3661 for (;;) {
3662 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3663 "for port %02x%02x%02x.\n",
3664 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3665 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3666
3667 /* Login fcport on switch. */
3668 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3669 fcport->d_id.b.domain, fcport->d_id.b.area,
3670 fcport->d_id.b.al_pa, mb, BIT_0);
3671 if (mb[0] == MBS_PORT_ID_USED) {
3672 /*
3673 * Device has another loop ID. The firmware team
3674 * recommends the driver perform an implicit login with
3675 * the specified ID again. The ID we just used is save
3676 * here so we return with an ID that can be tried by
3677 * the next login.
3678 */
3679 retry++;
3680 tmp_loopid = fcport->loop_id;
3681 fcport->loop_id = mb[1];
3682
3683 DEBUG(printk("Fabric Login: port in use - next "
3684 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3685 fcport->loop_id, fcport->d_id.b.domain,
3686 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3687
3688 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3689 /*
3690 * Login succeeded.
3691 */
3692 if (retry) {
3693 /* A retry occurred before. */
3694 *next_loopid = tmp_loopid;
3695 } else {
3696 /*
3697 * No retry occurred before. Just increment the
3698 * ID value for next login.
3699 */
3700 *next_loopid = (fcport->loop_id + 1);
3701 }
3702
3703 if (mb[1] & BIT_0) {
3704 fcport->port_type = FCT_INITIATOR;
3705 } else {
3706 fcport->port_type = FCT_TARGET;
3707 if (mb[1] & BIT_1) {
3708 fcport->flags |= FCF_FCP2_DEVICE;
3709 }
3710 }
3711
3712 if (mb[10] & BIT_0)
3713 fcport->supported_classes |= FC_COS_CLASS2;
3714 if (mb[10] & BIT_1)
3715 fcport->supported_classes |= FC_COS_CLASS3;
3716
3717 rval = QLA_SUCCESS;
3718 break;
3719 } else if (mb[0] == MBS_LOOP_ID_USED) {
3720 /*
3721 * Loop ID already used, try next loop ID.
3722 */
3723 fcport->loop_id++;
3724 rval = qla2x00_find_new_loop_id(vha, fcport);
3725 if (rval != QLA_SUCCESS) {
3726 /* Ran out of loop IDs to use */
3727 break;
3728 }
3729 } else if (mb[0] == MBS_COMMAND_ERROR) {
3730 /*
3731 * Firmware possibly timed out during login. If NO
3732 * retries are left to do then the device is declared
3733 * dead.
3734 */
3735 *next_loopid = fcport->loop_id;
3736 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3737 fcport->d_id.b.domain, fcport->d_id.b.area,
3738 fcport->d_id.b.al_pa);
3739 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3740
3741 rval = 1;
3742 break;
3743 } else {
3744 /*
3745 * unrecoverable / not handled error
3746 */
3747 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3748 "loop_id=%x jiffies=%lx.\n",
3749 __func__, vha->host_no, mb[0],
3750 fcport->d_id.b.domain, fcport->d_id.b.area,
3751 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3752
3753 *next_loopid = fcport->loop_id;
3754 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3755 fcport->d_id.b.domain, fcport->d_id.b.area,
3756 fcport->d_id.b.al_pa);
3757 fcport->loop_id = FC_NO_LOOP_ID;
3758 fcport->login_retry = 0;
3759
3760 rval = 3;
3761 break;
3762 }
3763 }
3764
3765 return (rval);
3766 }
3767
3768 /*
3769 * qla2x00_local_device_login
3770 * Issue local device login command.
3771 *
3772 * Input:
3773 * ha = adapter block pointer.
3774 * loop_id = loop id of device to login to.
3775 *
3776 * Returns (Where's the #define!!!!):
3777 * 0 - Login successfully
3778 * 1 - Login failed
3779 * 3 - Fatal error
3780 */
3781 int
3782 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3783 {
3784 int rval;
3785 uint16_t mb[MAILBOX_REGISTER_COUNT];
3786
3787 memset(mb, 0, sizeof(mb));
3788 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3789 if (rval == QLA_SUCCESS) {
3790 /* Interrogate mailbox registers for any errors */
3791 if (mb[0] == MBS_COMMAND_ERROR)
3792 rval = 1;
3793 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3794 /* device not in PCB table */
3795 rval = 3;
3796 }
3797
3798 return (rval);
3799 }
3800
3801 /*
3802 * qla2x00_loop_resync
3803 * Resync with fibre channel devices.
3804 *
3805 * Input:
3806 * ha = adapter block pointer.
3807 *
3808 * Returns:
3809 * 0 = success
3810 */
3811 int
3812 qla2x00_loop_resync(scsi_qla_host_t *vha)
3813 {
3814 int rval = QLA_SUCCESS;
3815 uint32_t wait_time;
3816 struct req_que *req;
3817 struct rsp_que *rsp;
3818
3819 if (vha->hw->flags.cpu_affinity_enabled)
3820 req = vha->hw->req_q_map[0];
3821 else
3822 req = vha->req;
3823 rsp = req->rsp;
3824
3825 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3826 if (vha->flags.online) {
3827 if (!(rval = qla2x00_fw_ready(vha))) {
3828 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3829 wait_time = 256;
3830 do {
3831 /* Issue a marker after FW becomes ready. */
3832 qla2x00_marker(vha, req, rsp, 0, 0,
3833 MK_SYNC_ALL);
3834 vha->marker_needed = 0;
3835
3836 /* Remap devices on Loop. */
3837 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3838
3839 qla2x00_configure_loop(vha);
3840 wait_time--;
3841 } while (!atomic_read(&vha->loop_down_timer) &&
3842 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3843 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3844 &vha->dpc_flags)));
3845 }
3846 }
3847
3848 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3849 return (QLA_FUNCTION_FAILED);
3850
3851 if (rval)
3852 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3853
3854 return (rval);
3855 }
3856
3857 /*
3858 * qla2x00_perform_loop_resync
3859 * Description: This function will set the appropriate flags and call
3860 * qla2x00_loop_resync. If successful loop will be resynced
3861 * Arguments : scsi_qla_host_t pointer
3862 * returm : Success or Failure
3863 */
3864
3865 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3866 {
3867 int32_t rval = 0;
3868
3869 if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3870 /*Configure the flags so that resync happens properly*/
3871 atomic_set(&ha->loop_down_timer, 0);
3872 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3873 atomic_set(&ha->loop_state, LOOP_UP);
3874 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3875 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3876 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3877
3878 rval = qla2x00_loop_resync(ha);
3879 } else
3880 atomic_set(&ha->loop_state, LOOP_DEAD);
3881
3882 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3883 }
3884
3885 return rval;
3886 }
3887
3888 void
3889 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3890 {
3891 fc_port_t *fcport;
3892 struct scsi_qla_host *vha;
3893 struct qla_hw_data *ha = base_vha->hw;
3894 unsigned long flags;
3895
3896 spin_lock_irqsave(&ha->vport_slock, flags);
3897 /* Go with deferred removal of rport references. */
3898 list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3899 atomic_inc(&vha->vref_count);
3900 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3901 if (fcport->drport &&
3902 atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3903 spin_unlock_irqrestore(&ha->vport_slock, flags);
3904
3905 qla2x00_rport_del(fcport);
3906
3907 spin_lock_irqsave(&ha->vport_slock, flags);
3908 }
3909 }
3910 atomic_dec(&vha->vref_count);
3911 }
3912 spin_unlock_irqrestore(&ha->vport_slock, flags);
3913 }
3914
3915 /*
3916 * qla82xx_quiescent_state_cleanup
3917 * Description: This function will block the new I/Os
3918 * Its not aborting any I/Os as context
3919 * is not destroyed during quiescence
3920 * Arguments: scsi_qla_host_t
3921 * return : void
3922 */
3923 void
3924 qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3925 {
3926 struct qla_hw_data *ha = vha->hw;
3927 struct scsi_qla_host *vp;
3928
3929 qla_printk(KERN_INFO, ha,
3930 "Performing ISP error recovery - ha= %p.\n", ha);
3931
3932 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3933 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3934 atomic_set(&vha->loop_state, LOOP_DOWN);
3935 qla2x00_mark_all_devices_lost(vha, 0);
3936 list_for_each_entry(vp, &ha->vp_list, list)
3937 qla2x00_mark_all_devices_lost(vha, 0);
3938 } else {
3939 if (!atomic_read(&vha->loop_down_timer))
3940 atomic_set(&vha->loop_down_timer,
3941 LOOP_DOWN_TIME);
3942 }
3943 /* Wait for pending cmds to complete */
3944 qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3945 }
3946
3947 void
3948 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3949 {
3950 struct qla_hw_data *ha = vha->hw;
3951 struct scsi_qla_host *vp;
3952 unsigned long flags;
3953 fc_port_t *fcport;
3954
3955 /* For ISP82XX, driver waits for completion of the commands.
3956 * online flag should be set.
3957 */
3958 if (!IS_QLA82XX(ha))
3959 vha->flags.online = 0;
3960 ha->flags.chip_reset_done = 0;
3961 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3962 ha->qla_stats.total_isp_aborts++;
3963
3964 qla_printk(KERN_INFO, ha,
3965 "Performing ISP error recovery - ha= %p.\n", ha);
3966
3967 /* For ISP82XX, reset_chip is just disabling interrupts.
3968 * Driver waits for the completion of the commands.
3969 * the interrupts need to be enabled.
3970 */
3971 if (!IS_QLA82XX(ha))
3972 ha->isp_ops->reset_chip(vha);
3973
3974 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3975 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3976 atomic_set(&vha->loop_state, LOOP_DOWN);
3977 qla2x00_mark_all_devices_lost(vha, 0);
3978
3979 spin_lock_irqsave(&ha->vport_slock, flags);
3980 list_for_each_entry(vp, &ha->vp_list, list) {
3981 atomic_inc(&vp->vref_count);
3982 spin_unlock_irqrestore(&ha->vport_slock, flags);
3983
3984 qla2x00_mark_all_devices_lost(vp, 0);
3985
3986 spin_lock_irqsave(&ha->vport_slock, flags);
3987 atomic_dec(&vp->vref_count);
3988 }
3989 spin_unlock_irqrestore(&ha->vport_slock, flags);
3990 } else {
3991 if (!atomic_read(&vha->loop_down_timer))
3992 atomic_set(&vha->loop_down_timer,
3993 LOOP_DOWN_TIME);
3994 }
3995
3996 /* Clear all async request states across all VPs. */
3997 list_for_each_entry(fcport, &vha->vp_fcports, list)
3998 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3999 spin_lock_irqsave(&ha->vport_slock, flags);
4000 list_for_each_entry(vp, &ha->vp_list, list) {
4001 atomic_inc(&vp->vref_count);
4002 spin_unlock_irqrestore(&ha->vport_slock, flags);
4003
4004 list_for_each_entry(fcport, &vp->vp_fcports, list)
4005 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4006
4007 spin_lock_irqsave(&ha->vport_slock, flags);
4008 atomic_dec(&vp->vref_count);
4009 }
4010 spin_unlock_irqrestore(&ha->vport_slock, flags);
4011
4012 if (!ha->flags.eeh_busy) {
4013 /* Make sure for ISP 82XX IO DMA is complete */
4014 if (IS_QLA82XX(ha)) {
4015 qla82xx_chip_reset_cleanup(vha);
4016
4017 /* Done waiting for pending commands.
4018 * Reset the online flag.
4019 */
4020 vha->flags.online = 0;
4021 }
4022
4023 /* Requeue all commands in outstanding command list. */
4024 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4025 }
4026 }
4027
4028 /*
4029 * qla2x00_abort_isp
4030 * Resets ISP and aborts all outstanding commands.
4031 *
4032 * Input:
4033 * ha = adapter block pointer.
4034 *
4035 * Returns:
4036 * 0 = success
4037 */
4038 int
4039 qla2x00_abort_isp(scsi_qla_host_t *vha)
4040 {
4041 int rval;
4042 uint8_t status = 0;
4043 struct qla_hw_data *ha = vha->hw;
4044 struct scsi_qla_host *vp;
4045 struct req_que *req = ha->req_q_map[0];
4046 unsigned long flags;
4047
4048 if (vha->flags.online) {
4049 qla2x00_abort_isp_cleanup(vha);
4050
4051 if (unlikely(pci_channel_offline(ha->pdev) &&
4052 ha->flags.pci_channel_io_perm_failure)) {
4053 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4054 status = 0;
4055 return status;
4056 }
4057
4058 ha->isp_ops->get_flash_version(vha, req->ring);
4059
4060 ha->isp_ops->nvram_config(vha);
4061
4062 if (!qla2x00_restart_isp(vha)) {
4063 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4064
4065 if (!atomic_read(&vha->loop_down_timer)) {
4066 /*
4067 * Issue marker command only when we are going
4068 * to start the I/O .
4069 */
4070 vha->marker_needed = 1;
4071 }
4072
4073 vha->flags.online = 1;
4074
4075 ha->isp_ops->enable_intrs(ha);
4076
4077 ha->isp_abort_cnt = 0;
4078 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4079
4080 if (IS_QLA81XX(ha))
4081 qla2x00_get_fw_version(vha,
4082 &ha->fw_major_version,
4083 &ha->fw_minor_version,
4084 &ha->fw_subminor_version,
4085 &ha->fw_attributes, &ha->fw_memory_size,
4086 ha->mpi_version, &ha->mpi_capabilities,
4087 ha->phy_version);
4088
4089 if (ha->fce) {
4090 ha->flags.fce_enabled = 1;
4091 memset(ha->fce, 0,
4092 fce_calc_size(ha->fce_bufs));
4093 rval = qla2x00_enable_fce_trace(vha,
4094 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4095 &ha->fce_bufs);
4096 if (rval) {
4097 qla_printk(KERN_WARNING, ha,
4098 "Unable to reinitialize FCE "
4099 "(%d).\n", rval);
4100 ha->flags.fce_enabled = 0;
4101 }
4102 }
4103
4104 if (ha->eft) {
4105 memset(ha->eft, 0, EFT_SIZE);
4106 rval = qla2x00_enable_eft_trace(vha,
4107 ha->eft_dma, EFT_NUM_BUFFERS);
4108 if (rval) {
4109 qla_printk(KERN_WARNING, ha,
4110 "Unable to reinitialize EFT "
4111 "(%d).\n", rval);
4112 }
4113 }
4114 } else { /* failed the ISP abort */
4115 vha->flags.online = 1;
4116 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4117 if (ha->isp_abort_cnt == 0) {
4118 qla_printk(KERN_WARNING, ha,
4119 "ISP error recovery failed - "
4120 "board disabled\n");
4121 /*
4122 * The next call disables the board
4123 * completely.
4124 */
4125 ha->isp_ops->reset_adapter(vha);
4126 vha->flags.online = 0;
4127 clear_bit(ISP_ABORT_RETRY,
4128 &vha->dpc_flags);
4129 status = 0;
4130 } else { /* schedule another ISP abort */
4131 ha->isp_abort_cnt--;
4132 DEBUG(printk("qla%ld: ISP abort - "
4133 "retry remaining %d\n",
4134 vha->host_no, ha->isp_abort_cnt));
4135 status = 1;
4136 }
4137 } else {
4138 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4139 DEBUG(printk("qla2x00(%ld): ISP error recovery "
4140 "- retrying (%d) more times\n",
4141 vha->host_no, ha->isp_abort_cnt));
4142 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4143 status = 1;
4144 }
4145 }
4146
4147 }
4148
4149 if (!status) {
4150 DEBUG(printk(KERN_INFO
4151 "qla2x00_abort_isp(%ld): succeeded.\n",
4152 vha->host_no));
4153
4154 spin_lock_irqsave(&ha->vport_slock, flags);
4155 list_for_each_entry(vp, &ha->vp_list, list) {
4156 if (vp->vp_idx) {
4157 atomic_inc(&vp->vref_count);
4158 spin_unlock_irqrestore(&ha->vport_slock, flags);
4159
4160 qla2x00_vp_abort_isp(vp);
4161
4162 spin_lock_irqsave(&ha->vport_slock, flags);
4163 atomic_dec(&vp->vref_count);
4164 }
4165 }
4166 spin_unlock_irqrestore(&ha->vport_slock, flags);
4167
4168 } else {
4169 qla_printk(KERN_INFO, ha,
4170 "qla2x00_abort_isp: **** FAILED ****\n");
4171 }
4172
4173 return(status);
4174 }
4175
4176 /*
4177 * qla2x00_restart_isp
4178 * restarts the ISP after a reset
4179 *
4180 * Input:
4181 * ha = adapter block pointer.
4182 *
4183 * Returns:
4184 * 0 = success
4185 */
4186 static int
4187 qla2x00_restart_isp(scsi_qla_host_t *vha)
4188 {
4189 int status = 0;
4190 uint32_t wait_time;
4191 struct qla_hw_data *ha = vha->hw;
4192 struct req_que *req = ha->req_q_map[0];
4193 struct rsp_que *rsp = ha->rsp_q_map[0];
4194
4195 /* If firmware needs to be loaded */
4196 if (qla2x00_isp_firmware(vha)) {
4197 vha->flags.online = 0;
4198 status = ha->isp_ops->chip_diag(vha);
4199 if (!status)
4200 status = qla2x00_setup_chip(vha);
4201 }
4202
4203 if (!status && !(status = qla2x00_init_rings(vha))) {
4204 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4205 ha->flags.chip_reset_done = 1;
4206 /* Initialize the queues in use */
4207 qla25xx_init_queues(ha);
4208
4209 status = qla2x00_fw_ready(vha);
4210 if (!status) {
4211 DEBUG(printk("%s(): Start configure loop, "
4212 "status = %d\n", __func__, status));
4213
4214 /* Issue a marker after FW becomes ready. */
4215 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4216
4217 vha->flags.online = 1;
4218 /* Wait at most MAX_TARGET RSCNs for a stable link. */
4219 wait_time = 256;
4220 do {
4221 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4222 qla2x00_configure_loop(vha);
4223 wait_time--;
4224 } while (!atomic_read(&vha->loop_down_timer) &&
4225 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4226 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4227 &vha->dpc_flags)));
4228 }
4229
4230 /* if no cable then assume it's good */
4231 if ((vha->device_flags & DFLG_NO_CABLE))
4232 status = 0;
4233
4234 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
4235 __func__,
4236 status));
4237 }
4238 return (status);
4239 }
4240
4241 static int
4242 qla25xx_init_queues(struct qla_hw_data *ha)
4243 {
4244 struct rsp_que *rsp = NULL;
4245 struct req_que *req = NULL;
4246 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4247 int ret = -1;
4248 int i;
4249
4250 for (i = 1; i < ha->max_rsp_queues; i++) {
4251 rsp = ha->rsp_q_map[i];
4252 if (rsp) {
4253 rsp->options &= ~BIT_0;
4254 ret = qla25xx_init_rsp_que(base_vha, rsp);
4255 if (ret != QLA_SUCCESS)
4256 DEBUG2_17(printk(KERN_WARNING
4257 "%s Rsp que:%d init failed\n", __func__,
4258 rsp->id));
4259 else
4260 DEBUG2_17(printk(KERN_INFO
4261 "%s Rsp que:%d inited\n", __func__,
4262 rsp->id));
4263 }
4264 }
4265 for (i = 1; i < ha->max_req_queues; i++) {
4266 req = ha->req_q_map[i];
4267 if (req) {
4268 /* Clear outstanding commands array. */
4269 req->options &= ~BIT_0;
4270 ret = qla25xx_init_req_que(base_vha, req);
4271 if (ret != QLA_SUCCESS)
4272 DEBUG2_17(printk(KERN_WARNING
4273 "%s Req que:%d init failed\n", __func__,
4274 req->id));
4275 else
4276 DEBUG2_17(printk(KERN_WARNING
4277 "%s Req que:%d inited\n", __func__,
4278 req->id));
4279 }
4280 }
4281 return ret;
4282 }
4283
4284 /*
4285 * qla2x00_reset_adapter
4286 * Reset adapter.
4287 *
4288 * Input:
4289 * ha = adapter block pointer.
4290 */
4291 void
4292 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4293 {
4294 unsigned long flags = 0;
4295 struct qla_hw_data *ha = vha->hw;
4296 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4297
4298 vha->flags.online = 0;
4299 ha->isp_ops->disable_intrs(ha);
4300
4301 spin_lock_irqsave(&ha->hardware_lock, flags);
4302 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4303 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4304 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4305 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4306 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4307 }
4308
4309 void
4310 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4311 {
4312 unsigned long flags = 0;
4313 struct qla_hw_data *ha = vha->hw;
4314 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4315
4316 if (IS_QLA82XX(ha))
4317 return;
4318
4319 vha->flags.online = 0;
4320 ha->isp_ops->disable_intrs(ha);
4321
4322 spin_lock_irqsave(&ha->hardware_lock, flags);
4323 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4324 RD_REG_DWORD(&reg->hccr);
4325 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4326 RD_REG_DWORD(&reg->hccr);
4327 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4328
4329 if (IS_NOPOLLING_TYPE(ha))
4330 ha->isp_ops->enable_intrs(ha);
4331 }
4332
4333 /* On sparc systems, obtain port and node WWN from firmware
4334 * properties.
4335 */
4336 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4337 struct nvram_24xx *nv)
4338 {
4339 #ifdef CONFIG_SPARC
4340 struct qla_hw_data *ha = vha->hw;
4341 struct pci_dev *pdev = ha->pdev;
4342 struct device_node *dp = pci_device_to_OF_node(pdev);
4343 const u8 *val;
4344 int len;
4345
4346 val = of_get_property(dp, "port-wwn", &len);
4347 if (val && len >= WWN_SIZE)
4348 memcpy(nv->port_name, val, WWN_SIZE);
4349
4350 val = of_get_property(dp, "node-wwn", &len);
4351 if (val && len >= WWN_SIZE)
4352 memcpy(nv->node_name, val, WWN_SIZE);
4353 #endif
4354 }
4355
4356 int
4357 qla24xx_nvram_config(scsi_qla_host_t *vha)
4358 {
4359 int rval;
4360 struct init_cb_24xx *icb;
4361 struct nvram_24xx *nv;
4362 uint32_t *dptr;
4363 uint8_t *dptr1, *dptr2;
4364 uint32_t chksum;
4365 uint16_t cnt;
4366 struct qla_hw_data *ha = vha->hw;
4367
4368 rval = QLA_SUCCESS;
4369 icb = (struct init_cb_24xx *)ha->init_cb;
4370 nv = ha->nvram;
4371
4372 /* Determine NVRAM starting address. */
4373 if (ha->flags.port0) {
4374 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4375 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4376 } else {
4377 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4378 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4379 }
4380 ha->nvram_size = sizeof(struct nvram_24xx);
4381 ha->vpd_size = FA_NVRAM_VPD_SIZE;
4382 if (IS_QLA82XX(ha))
4383 ha->vpd_size = FA_VPD_SIZE_82XX;
4384
4385 /* Get VPD data into cache */
4386 ha->vpd = ha->nvram + VPD_OFFSET;
4387 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4388 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4389
4390 /* Get NVRAM data into cache and calculate checksum. */
4391 dptr = (uint32_t *)nv;
4392 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4393 ha->nvram_size);
4394 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4395 chksum += le32_to_cpu(*dptr++);
4396
4397 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4398 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4399
4400 /* Bad NVRAM data, set defaults parameters. */
4401 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4402 || nv->id[3] != ' ' ||
4403 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4404 /* Reset NVRAM data. */
4405 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4406 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4407 le16_to_cpu(nv->nvram_version));
4408 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4409 "invalid -- WWPN) defaults.\n");
4410
4411 /*
4412 * Set default initialization control block.
4413 */
4414 memset(nv, 0, ha->nvram_size);
4415 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4416 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4417 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4418 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4419 nv->exchange_count = __constant_cpu_to_le16(0);
4420 nv->hard_address = __constant_cpu_to_le16(124);
4421 nv->port_name[0] = 0x21;
4422 nv->port_name[1] = 0x00 + ha->port_no;
4423 nv->port_name[2] = 0x00;
4424 nv->port_name[3] = 0xe0;
4425 nv->port_name[4] = 0x8b;
4426 nv->port_name[5] = 0x1c;
4427 nv->port_name[6] = 0x55;
4428 nv->port_name[7] = 0x86;
4429 nv->node_name[0] = 0x20;
4430 nv->node_name[1] = 0x00;
4431 nv->node_name[2] = 0x00;
4432 nv->node_name[3] = 0xe0;
4433 nv->node_name[4] = 0x8b;
4434 nv->node_name[5] = 0x1c;
4435 nv->node_name[6] = 0x55;
4436 nv->node_name[7] = 0x86;
4437 qla24xx_nvram_wwn_from_ofw(vha, nv);
4438 nv->login_retry_count = __constant_cpu_to_le16(8);
4439 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4440 nv->login_timeout = __constant_cpu_to_le16(0);
4441 nv->firmware_options_1 =
4442 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4443 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4444 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4445 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4446 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4447 nv->efi_parameters = __constant_cpu_to_le32(0);
4448 nv->reset_delay = 5;
4449 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4450 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4451 nv->link_down_timeout = __constant_cpu_to_le16(30);
4452
4453 rval = 1;
4454 }
4455
4456 /* Reset Initialization control block */
4457 memset(icb, 0, ha->init_cb_size);
4458
4459 /* Copy 1st segment. */
4460 dptr1 = (uint8_t *)icb;
4461 dptr2 = (uint8_t *)&nv->version;
4462 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4463 while (cnt--)
4464 *dptr1++ = *dptr2++;
4465
4466 icb->login_retry_count = nv->login_retry_count;
4467 icb->link_down_on_nos = nv->link_down_on_nos;
4468
4469 /* Copy 2nd segment. */
4470 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4471 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4472 cnt = (uint8_t *)&icb->reserved_3 -
4473 (uint8_t *)&icb->interrupt_delay_timer;
4474 while (cnt--)
4475 *dptr1++ = *dptr2++;
4476
4477 /*
4478 * Setup driver NVRAM options.
4479 */
4480 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4481 "QLA2462");
4482
4483 /* Use alternate WWN? */
4484 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4485 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4486 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4487 }
4488
4489 /* Prepare nodename */
4490 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4491 /*
4492 * Firmware will apply the following mask if the nodename was
4493 * not provided.
4494 */
4495 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4496 icb->node_name[0] &= 0xF0;
4497 }
4498
4499 /* Set host adapter parameters. */
4500 ha->flags.disable_risc_code_load = 0;
4501 ha->flags.enable_lip_reset = 0;
4502 ha->flags.enable_lip_full_login =
4503 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4504 ha->flags.enable_target_reset =
4505 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4506 ha->flags.enable_led_scheme = 0;
4507 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4508
4509 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4510 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4511
4512 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4513 sizeof(ha->fw_seriallink_options24));
4514
4515 /* save HBA serial number */
4516 ha->serial0 = icb->port_name[5];
4517 ha->serial1 = icb->port_name[6];
4518 ha->serial2 = icb->port_name[7];
4519 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4520 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4521
4522 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4523
4524 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4525
4526 /* Set minimum login_timeout to 4 seconds. */
4527 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4528 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4529 if (le16_to_cpu(nv->login_timeout) < 4)
4530 nv->login_timeout = __constant_cpu_to_le16(4);
4531 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4532 icb->login_timeout = nv->login_timeout;
4533
4534 /* Set minimum RATOV to 100 tenths of a second. */
4535 ha->r_a_tov = 100;
4536
4537 ha->loop_reset_delay = nv->reset_delay;
4538
4539 /* Link Down Timeout = 0:
4540 *
4541 * When Port Down timer expires we will start returning
4542 * I/O's to OS with "DID_NO_CONNECT".
4543 *
4544 * Link Down Timeout != 0:
4545 *
4546 * The driver waits for the link to come up after link down
4547 * before returning I/Os to OS with "DID_NO_CONNECT".
4548 */
4549 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4550 ha->loop_down_abort_time =
4551 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4552 } else {
4553 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4554 ha->loop_down_abort_time =
4555 (LOOP_DOWN_TIME - ha->link_down_timeout);
4556 }
4557
4558 /* Need enough time to try and get the port back. */
4559 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4560 if (qlport_down_retry)
4561 ha->port_down_retry_count = qlport_down_retry;
4562
4563 /* Set login_retry_count */
4564 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4565 if (ha->port_down_retry_count ==
4566 le16_to_cpu(nv->port_down_retry_count) &&
4567 ha->port_down_retry_count > 3)
4568 ha->login_retry_count = ha->port_down_retry_count;
4569 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4570 ha->login_retry_count = ha->port_down_retry_count;
4571 if (ql2xloginretrycount)
4572 ha->login_retry_count = ql2xloginretrycount;
4573
4574 /* Enable ZIO. */
4575 if (!vha->flags.init_done) {
4576 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4577 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4578 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4579 le16_to_cpu(icb->interrupt_delay_timer): 2;
4580 }
4581 icb->firmware_options_2 &= __constant_cpu_to_le32(
4582 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4583 vha->flags.process_response_queue = 0;
4584 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4585 ha->zio_mode = QLA_ZIO_MODE_6;
4586
4587 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4588 "(%d us).\n", vha->host_no, ha->zio_mode,
4589 ha->zio_timer * 100));
4590 qla_printk(KERN_INFO, ha,
4591 "ZIO mode %d enabled; timer delay (%d us).\n",
4592 ha->zio_mode, ha->zio_timer * 100);
4593
4594 icb->firmware_options_2 |= cpu_to_le32(
4595 (uint32_t)ha->zio_mode);
4596 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4597 vha->flags.process_response_queue = 1;
4598 }
4599
4600 if (rval) {
4601 DEBUG2_3(printk(KERN_WARNING
4602 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4603 }
4604 return (rval);
4605 }
4606
4607 static int
4608 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4609 uint32_t faddr)
4610 {
4611 int rval = QLA_SUCCESS;
4612 int segments, fragment;
4613 uint32_t *dcode, dlen;
4614 uint32_t risc_addr;
4615 uint32_t risc_size;
4616 uint32_t i;
4617 struct qla_hw_data *ha = vha->hw;
4618 struct req_que *req = ha->req_q_map[0];
4619
4620 qla_printk(KERN_INFO, ha,
4621 "FW: Loading from flash (%x)...\n", faddr);
4622
4623 rval = QLA_SUCCESS;
4624
4625 segments = FA_RISC_CODE_SEGMENTS;
4626 dcode = (uint32_t *)req->ring;
4627 *srisc_addr = 0;
4628
4629 /* Validate firmware image by checking version. */
4630 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4631 for (i = 0; i < 4; i++)
4632 dcode[i] = be32_to_cpu(dcode[i]);
4633 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4634 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4635 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4636 dcode[3] == 0)) {
4637 qla_printk(KERN_WARNING, ha,
4638 "Unable to verify integrity of flash firmware image!\n");
4639 qla_printk(KERN_WARNING, ha,
4640 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4641 dcode[1], dcode[2], dcode[3]);
4642
4643 return QLA_FUNCTION_FAILED;
4644 }
4645
4646 while (segments && rval == QLA_SUCCESS) {
4647 /* Read segment's load information. */
4648 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4649
4650 risc_addr = be32_to_cpu(dcode[2]);
4651 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4652 risc_size = be32_to_cpu(dcode[3]);
4653
4654 fragment = 0;
4655 while (risc_size > 0 && rval == QLA_SUCCESS) {
4656 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4657 if (dlen > risc_size)
4658 dlen = risc_size;
4659
4660 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4661 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4662 vha->host_no, risc_addr, dlen, faddr));
4663
4664 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4665 for (i = 0; i < dlen; i++)
4666 dcode[i] = swab32(dcode[i]);
4667
4668 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4669 dlen);
4670 if (rval) {
4671 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4672 "segment %d of firmware\n", vha->host_no,
4673 fragment));
4674 qla_printk(KERN_WARNING, ha,
4675 "[ERROR] Failed to load segment %d of "
4676 "firmware\n", fragment);
4677 break;
4678 }
4679
4680 faddr += dlen;
4681 risc_addr += dlen;
4682 risc_size -= dlen;
4683 fragment++;
4684 }
4685
4686 /* Next segment. */
4687 segments--;
4688 }
4689
4690 return rval;
4691 }
4692
4693 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4694
4695 int
4696 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4697 {
4698 int rval;
4699 int i, fragment;
4700 uint16_t *wcode, *fwcode;
4701 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4702 struct fw_blob *blob;
4703 struct qla_hw_data *ha = vha->hw;
4704 struct req_que *req = ha->req_q_map[0];
4705
4706 /* Load firmware blob. */
4707 blob = qla2x00_request_firmware(vha);
4708 if (!blob) {
4709 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4710 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4711 "from: " QLA_FW_URL ".\n");
4712 return QLA_FUNCTION_FAILED;
4713 }
4714
4715 rval = QLA_SUCCESS;
4716
4717 wcode = (uint16_t *)req->ring;
4718 *srisc_addr = 0;
4719 fwcode = (uint16_t *)blob->fw->data;
4720 fwclen = 0;
4721
4722 /* Validate firmware image by checking version. */
4723 if (blob->fw->size < 8 * sizeof(uint16_t)) {
4724 qla_printk(KERN_WARNING, ha,
4725 "Unable to verify integrity of firmware image (%Zd)!\n",
4726 blob->fw->size);
4727 goto fail_fw_integrity;
4728 }
4729 for (i = 0; i < 4; i++)
4730 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4731 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4732 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4733 wcode[2] == 0 && wcode[3] == 0)) {
4734 qla_printk(KERN_WARNING, ha,
4735 "Unable to verify integrity of firmware image!\n");
4736 qla_printk(KERN_WARNING, ha,
4737 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4738 wcode[1], wcode[2], wcode[3]);
4739 goto fail_fw_integrity;
4740 }
4741
4742 seg = blob->segs;
4743 while (*seg && rval == QLA_SUCCESS) {
4744 risc_addr = *seg;
4745 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4746 risc_size = be16_to_cpu(fwcode[3]);
4747
4748 /* Validate firmware image size. */
4749 fwclen += risc_size * sizeof(uint16_t);
4750 if (blob->fw->size < fwclen) {
4751 qla_printk(KERN_WARNING, ha,
4752 "Unable to verify integrity of firmware image "
4753 "(%Zd)!\n", blob->fw->size);
4754 goto fail_fw_integrity;
4755 }
4756
4757 fragment = 0;
4758 while (risc_size > 0 && rval == QLA_SUCCESS) {
4759 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4760 if (wlen > risc_size)
4761 wlen = risc_size;
4762
4763 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4764 "addr %x, number of words 0x%x.\n", vha->host_no,
4765 risc_addr, wlen));
4766
4767 for (i = 0; i < wlen; i++)
4768 wcode[i] = swab16(fwcode[i]);
4769
4770 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4771 wlen);
4772 if (rval) {
4773 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4774 "segment %d of firmware\n", vha->host_no,
4775 fragment));
4776 qla_printk(KERN_WARNING, ha,
4777 "[ERROR] Failed to load segment %d of "
4778 "firmware\n", fragment);
4779 break;
4780 }
4781
4782 fwcode += wlen;
4783 risc_addr += wlen;
4784 risc_size -= wlen;
4785 fragment++;
4786 }
4787
4788 /* Next segment. */
4789 seg++;
4790 }
4791 return rval;
4792
4793 fail_fw_integrity:
4794 return QLA_FUNCTION_FAILED;
4795 }
4796
4797 static int
4798 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4799 {
4800 int rval;
4801 int segments, fragment;
4802 uint32_t *dcode, dlen;
4803 uint32_t risc_addr;
4804 uint32_t risc_size;
4805 uint32_t i;
4806 struct fw_blob *blob;
4807 uint32_t *fwcode, fwclen;
4808 struct qla_hw_data *ha = vha->hw;
4809 struct req_que *req = ha->req_q_map[0];
4810
4811 /* Load firmware blob. */
4812 blob = qla2x00_request_firmware(vha);
4813 if (!blob) {
4814 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4815 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4816 "from: " QLA_FW_URL ".\n");
4817
4818 return QLA_FUNCTION_FAILED;
4819 }
4820
4821 qla_printk(KERN_INFO, ha,
4822 "FW: Loading via request-firmware...\n");
4823
4824 rval = QLA_SUCCESS;
4825
4826 segments = FA_RISC_CODE_SEGMENTS;
4827 dcode = (uint32_t *)req->ring;
4828 *srisc_addr = 0;
4829 fwcode = (uint32_t *)blob->fw->data;
4830 fwclen = 0;
4831
4832 /* Validate firmware image by checking version. */
4833 if (blob->fw->size < 8 * sizeof(uint32_t)) {
4834 qla_printk(KERN_WARNING, ha,
4835 "Unable to verify integrity of firmware image (%Zd)!\n",
4836 blob->fw->size);
4837 goto fail_fw_integrity;
4838 }
4839 for (i = 0; i < 4; i++)
4840 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4841 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4842 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4843 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4844 dcode[3] == 0)) {
4845 qla_printk(KERN_WARNING, ha,
4846 "Unable to verify integrity of firmware image!\n");
4847 qla_printk(KERN_WARNING, ha,
4848 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4849 dcode[1], dcode[2], dcode[3]);
4850 goto fail_fw_integrity;
4851 }
4852
4853 while (segments && rval == QLA_SUCCESS) {
4854 risc_addr = be32_to_cpu(fwcode[2]);
4855 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4856 risc_size = be32_to_cpu(fwcode[3]);
4857
4858 /* Validate firmware image size. */
4859 fwclen += risc_size * sizeof(uint32_t);
4860 if (blob->fw->size < fwclen) {
4861 qla_printk(KERN_WARNING, ha,
4862 "Unable to verify integrity of firmware image "
4863 "(%Zd)!\n", blob->fw->size);
4864
4865 goto fail_fw_integrity;
4866 }
4867
4868 fragment = 0;
4869 while (risc_size > 0 && rval == QLA_SUCCESS) {
4870 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4871 if (dlen > risc_size)
4872 dlen = risc_size;
4873
4874 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4875 "addr %x, number of dwords 0x%x.\n", vha->host_no,
4876 risc_addr, dlen));
4877
4878 for (i = 0; i < dlen; i++)
4879 dcode[i] = swab32(fwcode[i]);
4880
4881 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4882 dlen);
4883 if (rval) {
4884 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4885 "segment %d of firmware\n", vha->host_no,
4886 fragment));
4887 qla_printk(KERN_WARNING, ha,
4888 "[ERROR] Failed to load segment %d of "
4889 "firmware\n", fragment);
4890 break;
4891 }
4892
4893 fwcode += dlen;
4894 risc_addr += dlen;
4895 risc_size -= dlen;
4896 fragment++;
4897 }
4898
4899 /* Next segment. */
4900 segments--;
4901 }
4902 return rval;
4903
4904 fail_fw_integrity:
4905 return QLA_FUNCTION_FAILED;
4906 }
4907
4908 int
4909 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4910 {
4911 int rval;
4912
4913 if (ql2xfwloadbin == 1)
4914 return qla81xx_load_risc(vha, srisc_addr);
4915
4916 /*
4917 * FW Load priority:
4918 * 1) Firmware via request-firmware interface (.bin file).
4919 * 2) Firmware residing in flash.
4920 */
4921 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4922 if (rval == QLA_SUCCESS)
4923 return rval;
4924
4925 return qla24xx_load_risc_flash(vha, srisc_addr,
4926 vha->hw->flt_region_fw);
4927 }
4928
4929 int
4930 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4931 {
4932 int rval;
4933 struct qla_hw_data *ha = vha->hw;
4934
4935 if (ql2xfwloadbin == 2)
4936 goto try_blob_fw;
4937
4938 /*
4939 * FW Load priority:
4940 * 1) Firmware residing in flash.
4941 * 2) Firmware via request-firmware interface (.bin file).
4942 * 3) Golden-Firmware residing in flash -- limited operation.
4943 */
4944 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4945 if (rval == QLA_SUCCESS)
4946 return rval;
4947
4948 try_blob_fw:
4949 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4950 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4951 return rval;
4952
4953 qla_printk(KERN_ERR, ha,
4954 "FW: Attempting to fallback to golden firmware...\n");
4955 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4956 if (rval != QLA_SUCCESS)
4957 return rval;
4958
4959 qla_printk(KERN_ERR, ha,
4960 "FW: Please update operational firmware...\n");
4961 ha->flags.running_gold_fw = 1;
4962
4963 return rval;
4964 }
4965
4966 void
4967 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4968 {
4969 int ret, retries;
4970 struct qla_hw_data *ha = vha->hw;
4971
4972 if (ha->flags.pci_channel_io_perm_failure)
4973 return;
4974 if (!IS_FWI2_CAPABLE(ha))
4975 return;
4976 if (!ha->fw_major_version)
4977 return;
4978
4979 ret = qla2x00_stop_firmware(vha);
4980 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4981 ret != QLA_INVALID_COMMAND && retries ; retries--) {
4982 ha->isp_ops->reset_chip(vha);
4983 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4984 continue;
4985 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4986 continue;
4987 qla_printk(KERN_INFO, ha,
4988 "Attempting retry of stop-firmware command...\n");
4989 ret = qla2x00_stop_firmware(vha);
4990 }
4991 }
4992
4993 int
4994 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4995 {
4996 int rval = QLA_SUCCESS;
4997 uint16_t mb[MAILBOX_REGISTER_COUNT];
4998 struct qla_hw_data *ha = vha->hw;
4999 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5000 struct req_que *req;
5001 struct rsp_que *rsp;
5002
5003 if (!vha->vp_idx)
5004 return -EINVAL;
5005
5006 rval = qla2x00_fw_ready(base_vha);
5007 if (ha->flags.cpu_affinity_enabled)
5008 req = ha->req_q_map[0];
5009 else
5010 req = vha->req;
5011 rsp = req->rsp;
5012
5013 if (rval == QLA_SUCCESS) {
5014 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5015 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5016 }
5017
5018 vha->flags.management_server_logged_in = 0;
5019
5020 /* Login to SNS first */
5021 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
5022 if (mb[0] != MBS_COMMAND_COMPLETE) {
5023 DEBUG15(qla_printk(KERN_INFO, ha,
5024 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5025 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
5026 mb[0], mb[1], mb[2], mb[6], mb[7]));
5027 return (QLA_FUNCTION_FAILED);
5028 }
5029
5030 atomic_set(&vha->loop_down_timer, 0);
5031 atomic_set(&vha->loop_state, LOOP_UP);
5032 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5033 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5034 rval = qla2x00_loop_resync(base_vha);
5035
5036 return rval;
5037 }
5038
5039 /* 84XX Support **************************************************************/
5040
5041 static LIST_HEAD(qla_cs84xx_list);
5042 static DEFINE_MUTEX(qla_cs84xx_mutex);
5043
5044 static struct qla_chip_state_84xx *
5045 qla84xx_get_chip(struct scsi_qla_host *vha)
5046 {
5047 struct qla_chip_state_84xx *cs84xx;
5048 struct qla_hw_data *ha = vha->hw;
5049
5050 mutex_lock(&qla_cs84xx_mutex);
5051
5052 /* Find any shared 84xx chip. */
5053 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5054 if (cs84xx->bus == ha->pdev->bus) {
5055 kref_get(&cs84xx->kref);
5056 goto done;
5057 }
5058 }
5059
5060 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5061 if (!cs84xx)
5062 goto done;
5063
5064 kref_init(&cs84xx->kref);
5065 spin_lock_init(&cs84xx->access_lock);
5066 mutex_init(&cs84xx->fw_update_mutex);
5067 cs84xx->bus = ha->pdev->bus;
5068
5069 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5070 done:
5071 mutex_unlock(&qla_cs84xx_mutex);
5072 return cs84xx;
5073 }
5074
5075 static void
5076 __qla84xx_chip_release(struct kref *kref)
5077 {
5078 struct qla_chip_state_84xx *cs84xx =
5079 container_of(kref, struct qla_chip_state_84xx, kref);
5080
5081 mutex_lock(&qla_cs84xx_mutex);
5082 list_del(&cs84xx->list);
5083 mutex_unlock(&qla_cs84xx_mutex);
5084 kfree(cs84xx);
5085 }
5086
5087 void
5088 qla84xx_put_chip(struct scsi_qla_host *vha)
5089 {
5090 struct qla_hw_data *ha = vha->hw;
5091 if (ha->cs84xx)
5092 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5093 }
5094
5095 static int
5096 qla84xx_init_chip(scsi_qla_host_t *vha)
5097 {
5098 int rval;
5099 uint16_t status[2];
5100 struct qla_hw_data *ha = vha->hw;
5101
5102 mutex_lock(&ha->cs84xx->fw_update_mutex);
5103
5104 rval = qla84xx_verify_chip(vha, status);
5105
5106 mutex_unlock(&ha->cs84xx->fw_update_mutex);
5107
5108 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5109 QLA_SUCCESS;
5110 }
5111
5112 /* 81XX Support **************************************************************/
5113
5114 int
5115 qla81xx_nvram_config(scsi_qla_host_t *vha)
5116 {
5117 int rval;
5118 struct init_cb_81xx *icb;
5119 struct nvram_81xx *nv;
5120 uint32_t *dptr;
5121 uint8_t *dptr1, *dptr2;
5122 uint32_t chksum;
5123 uint16_t cnt;
5124 struct qla_hw_data *ha = vha->hw;
5125
5126 rval = QLA_SUCCESS;
5127 icb = (struct init_cb_81xx *)ha->init_cb;
5128 nv = ha->nvram;
5129
5130 /* Determine NVRAM starting address. */
5131 ha->nvram_size = sizeof(struct nvram_81xx);
5132 ha->vpd_size = FA_NVRAM_VPD_SIZE;
5133
5134 /* Get VPD data into cache */
5135 ha->vpd = ha->nvram + VPD_OFFSET;
5136 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5137 ha->vpd_size);
5138
5139 /* Get NVRAM data into cache and calculate checksum. */
5140 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5141 ha->nvram_size);
5142 dptr = (uint32_t *)nv;
5143 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5144 chksum += le32_to_cpu(*dptr++);
5145
5146 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
5147 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
5148
5149 /* Bad NVRAM data, set defaults parameters. */
5150 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5151 || nv->id[3] != ' ' ||
5152 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5153 /* Reset NVRAM data. */
5154 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
5155 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
5156 le16_to_cpu(nv->nvram_version));
5157 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
5158 "invalid -- WWPN) defaults.\n");
5159
5160 /*
5161 * Set default initialization control block.
5162 */
5163 memset(nv, 0, ha->nvram_size);
5164 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5165 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5166 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5167 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5168 nv->exchange_count = __constant_cpu_to_le16(0);
5169 nv->port_name[0] = 0x21;
5170 nv->port_name[1] = 0x00 + ha->port_no;
5171 nv->port_name[2] = 0x00;
5172 nv->port_name[3] = 0xe0;
5173 nv->port_name[4] = 0x8b;
5174 nv->port_name[5] = 0x1c;
5175 nv->port_name[6] = 0x55;
5176 nv->port_name[7] = 0x86;
5177 nv->node_name[0] = 0x20;
5178 nv->node_name[1] = 0x00;
5179 nv->node_name[2] = 0x00;
5180 nv->node_name[3] = 0xe0;
5181 nv->node_name[4] = 0x8b;
5182 nv->node_name[5] = 0x1c;
5183 nv->node_name[6] = 0x55;
5184 nv->node_name[7] = 0x86;
5185 nv->login_retry_count = __constant_cpu_to_le16(8);
5186 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5187 nv->login_timeout = __constant_cpu_to_le16(0);
5188 nv->firmware_options_1 =
5189 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5190 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5191 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5192 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5193 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5194 nv->efi_parameters = __constant_cpu_to_le32(0);
5195 nv->reset_delay = 5;
5196 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5197 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5198 nv->link_down_timeout = __constant_cpu_to_le16(30);
5199 nv->enode_mac[0] = 0x00;
5200 nv->enode_mac[1] = 0x02;
5201 nv->enode_mac[2] = 0x03;
5202 nv->enode_mac[3] = 0x04;
5203 nv->enode_mac[4] = 0x05;
5204 nv->enode_mac[5] = 0x06 + ha->port_no;
5205
5206 rval = 1;
5207 }
5208
5209 /* Reset Initialization control block */
5210 memset(icb, 0, ha->init_cb_size);
5211
5212 /* Copy 1st segment. */
5213 dptr1 = (uint8_t *)icb;
5214 dptr2 = (uint8_t *)&nv->version;
5215 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5216 while (cnt--)
5217 *dptr1++ = *dptr2++;
5218
5219 icb->login_retry_count = nv->login_retry_count;
5220
5221 /* Copy 2nd segment. */
5222 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5223 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5224 cnt = (uint8_t *)&icb->reserved_5 -
5225 (uint8_t *)&icb->interrupt_delay_timer;
5226 while (cnt--)
5227 *dptr1++ = *dptr2++;
5228
5229 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5230 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5231 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5232 icb->enode_mac[0] = 0x01;
5233 icb->enode_mac[1] = 0x02;
5234 icb->enode_mac[2] = 0x03;
5235 icb->enode_mac[3] = 0x04;
5236 icb->enode_mac[4] = 0x05;
5237 icb->enode_mac[5] = 0x06 + ha->port_no;
5238 }
5239
5240 /* Use extended-initialization control block. */
5241 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5242
5243 /*
5244 * Setup driver NVRAM options.
5245 */
5246 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5247 "QLE8XXX");
5248
5249 /* Use alternate WWN? */
5250 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5251 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5252 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5253 }
5254
5255 /* Prepare nodename */
5256 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5257 /*
5258 * Firmware will apply the following mask if the nodename was
5259 * not provided.
5260 */
5261 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5262 icb->node_name[0] &= 0xF0;
5263 }
5264
5265 /* Set host adapter parameters. */
5266 ha->flags.disable_risc_code_load = 0;
5267 ha->flags.enable_lip_reset = 0;
5268 ha->flags.enable_lip_full_login =
5269 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5270 ha->flags.enable_target_reset =
5271 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5272 ha->flags.enable_led_scheme = 0;
5273 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5274
5275 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5276 (BIT_6 | BIT_5 | BIT_4)) >> 4;
5277
5278 /* save HBA serial number */
5279 ha->serial0 = icb->port_name[5];
5280 ha->serial1 = icb->port_name[6];
5281 ha->serial2 = icb->port_name[7];
5282 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5283 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5284
5285 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5286
5287 ha->retry_count = le16_to_cpu(nv->login_retry_count);
5288
5289 /* Set minimum login_timeout to 4 seconds. */
5290 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5291 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5292 if (le16_to_cpu(nv->login_timeout) < 4)
5293 nv->login_timeout = __constant_cpu_to_le16(4);
5294 ha->login_timeout = le16_to_cpu(nv->login_timeout);
5295 icb->login_timeout = nv->login_timeout;
5296
5297 /* Set minimum RATOV to 100 tenths of a second. */
5298 ha->r_a_tov = 100;
5299
5300 ha->loop_reset_delay = nv->reset_delay;
5301
5302 /* Link Down Timeout = 0:
5303 *
5304 * When Port Down timer expires we will start returning
5305 * I/O's to OS with "DID_NO_CONNECT".
5306 *
5307 * Link Down Timeout != 0:
5308 *
5309 * The driver waits for the link to come up after link down
5310 * before returning I/Os to OS with "DID_NO_CONNECT".
5311 */
5312 if (le16_to_cpu(nv->link_down_timeout) == 0) {
5313 ha->loop_down_abort_time =
5314 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5315 } else {
5316 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5317 ha->loop_down_abort_time =
5318 (LOOP_DOWN_TIME - ha->link_down_timeout);
5319 }
5320
5321 /* Need enough time to try and get the port back. */
5322 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5323 if (qlport_down_retry)
5324 ha->port_down_retry_count = qlport_down_retry;
5325
5326 /* Set login_retry_count */
5327 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
5328 if (ha->port_down_retry_count ==
5329 le16_to_cpu(nv->port_down_retry_count) &&
5330 ha->port_down_retry_count > 3)
5331 ha->login_retry_count = ha->port_down_retry_count;
5332 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5333 ha->login_retry_count = ha->port_down_retry_count;
5334 if (ql2xloginretrycount)
5335 ha->login_retry_count = ql2xloginretrycount;
5336
5337 /* Enable ZIO. */
5338 if (!vha->flags.init_done) {
5339 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5340 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5341 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5342 le16_to_cpu(icb->interrupt_delay_timer): 2;
5343 }
5344 icb->firmware_options_2 &= __constant_cpu_to_le32(
5345 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5346 vha->flags.process_response_queue = 0;
5347 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5348 ha->zio_mode = QLA_ZIO_MODE_6;
5349
5350 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
5351 "(%d us).\n", vha->host_no, ha->zio_mode,
5352 ha->zio_timer * 100));
5353 qla_printk(KERN_INFO, ha,
5354 "ZIO mode %d enabled; timer delay (%d us).\n",
5355 ha->zio_mode, ha->zio_timer * 100);
5356
5357 icb->firmware_options_2 |= cpu_to_le32(
5358 (uint32_t)ha->zio_mode);
5359 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5360 vha->flags.process_response_queue = 1;
5361 }
5362
5363 if (rval) {
5364 DEBUG2_3(printk(KERN_WARNING
5365 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
5366 }
5367 return (rval);
5368 }
5369
5370 int
5371 qla82xx_restart_isp(scsi_qla_host_t *vha)
5372 {
5373 int status, rval;
5374 uint32_t wait_time;
5375 struct qla_hw_data *ha = vha->hw;
5376 struct req_que *req = ha->req_q_map[0];
5377 struct rsp_que *rsp = ha->rsp_q_map[0];
5378 struct scsi_qla_host *vp;
5379 unsigned long flags;
5380
5381 status = qla2x00_init_rings(vha);
5382 if (!status) {
5383 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5384 ha->flags.chip_reset_done = 1;
5385
5386 status = qla2x00_fw_ready(vha);
5387 if (!status) {
5388 qla_printk(KERN_INFO, ha,
5389 "%s(): Start configure loop, "
5390 "status = %d\n", __func__, status);
5391
5392 /* Issue a marker after FW becomes ready. */
5393 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5394
5395 vha->flags.online = 1;
5396 /* Wait at most MAX_TARGET RSCNs for a stable link. */
5397 wait_time = 256;
5398 do {
5399 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5400 qla2x00_configure_loop(vha);
5401 wait_time--;
5402 } while (!atomic_read(&vha->loop_down_timer) &&
5403 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5404 wait_time &&
5405 (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5406 }
5407
5408 /* if no cable then assume it's good */
5409 if ((vha->device_flags & DFLG_NO_CABLE))
5410 status = 0;
5411
5412 qla_printk(KERN_INFO, ha,
5413 "%s(): Configure loop done, status = 0x%x\n",
5414 __func__, status);
5415 }
5416
5417 if (!status) {
5418 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5419
5420 if (!atomic_read(&vha->loop_down_timer)) {
5421 /*
5422 * Issue marker command only when we are going
5423 * to start the I/O .
5424 */
5425 vha->marker_needed = 1;
5426 }
5427
5428 vha->flags.online = 1;
5429
5430 ha->isp_ops->enable_intrs(ha);
5431
5432 ha->isp_abort_cnt = 0;
5433 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5434
5435 /* Update the firmware version */
5436 qla2x00_get_fw_version(vha, &ha->fw_major_version,
5437 &ha->fw_minor_version, &ha->fw_subminor_version,
5438 &ha->fw_attributes, &ha->fw_memory_size,
5439 ha->mpi_version, &ha->mpi_capabilities,
5440 ha->phy_version);
5441
5442 if (ha->fce) {
5443 ha->flags.fce_enabled = 1;
5444 memset(ha->fce, 0,
5445 fce_calc_size(ha->fce_bufs));
5446 rval = qla2x00_enable_fce_trace(vha,
5447 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5448 &ha->fce_bufs);
5449 if (rval) {
5450 qla_printk(KERN_WARNING, ha,
5451 "Unable to reinitialize FCE "
5452 "(%d).\n", rval);
5453 ha->flags.fce_enabled = 0;
5454 }
5455 }
5456
5457 if (ha->eft) {
5458 memset(ha->eft, 0, EFT_SIZE);
5459 rval = qla2x00_enable_eft_trace(vha,
5460 ha->eft_dma, EFT_NUM_BUFFERS);
5461 if (rval) {
5462 qla_printk(KERN_WARNING, ha,
5463 "Unable to reinitialize EFT "
5464 "(%d).\n", rval);
5465 }
5466 }
5467 }
5468
5469 if (!status) {
5470 DEBUG(printk(KERN_INFO
5471 "qla82xx_restart_isp(%ld): succeeded.\n",
5472 vha->host_no));
5473
5474 spin_lock_irqsave(&ha->vport_slock, flags);
5475 list_for_each_entry(vp, &ha->vp_list, list) {
5476 if (vp->vp_idx) {
5477 atomic_inc(&vp->vref_count);
5478 spin_unlock_irqrestore(&ha->vport_slock, flags);
5479
5480 qla2x00_vp_abort_isp(vp);
5481
5482 spin_lock_irqsave(&ha->vport_slock, flags);
5483 atomic_dec(&vp->vref_count);
5484 }
5485 }
5486 spin_unlock_irqrestore(&ha->vport_slock, flags);
5487
5488 } else {
5489 qla_printk(KERN_INFO, ha,
5490 "qla82xx_restart_isp: **** FAILED ****\n");
5491 }
5492
5493 return status;
5494 }
5495
5496 void
5497 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5498 {
5499 struct qla_hw_data *ha = vha->hw;
5500
5501 if (!ql2xetsenable)
5502 return;
5503
5504 /* Enable ETS Burst. */
5505 memset(ha->fw_options, 0, sizeof(ha->fw_options));
5506 ha->fw_options[2] |= BIT_9;
5507 qla2x00_set_fw_options(vha, ha->fw_options);
5508 }
5509
5510 /*
5511 * qla24xx_get_fcp_prio
5512 * Gets the fcp cmd priority value for the logged in port.
5513 * Looks for a match of the port descriptors within
5514 * each of the fcp prio config entries. If a match is found,
5515 * the tag (priority) value is returned.
5516 *
5517 * Input:
5518 * vha = scsi host structure pointer.
5519 * fcport = port structure pointer.
5520 *
5521 * Return:
5522 * non-zero (if found)
5523 * -1 (if not found)
5524 *
5525 * Context:
5526 * Kernel context
5527 */
5528 static int
5529 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5530 {
5531 int i, entries;
5532 uint8_t pid_match, wwn_match;
5533 int priority;
5534 uint32_t pid1, pid2;
5535 uint64_t wwn1, wwn2;
5536 struct qla_fcp_prio_entry *pri_entry;
5537 struct qla_hw_data *ha = vha->hw;
5538
5539 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5540 return -1;
5541
5542 priority = -1;
5543 entries = ha->fcp_prio_cfg->num_entries;
5544 pri_entry = &ha->fcp_prio_cfg->entry[0];
5545
5546 for (i = 0; i < entries; i++) {
5547 pid_match = wwn_match = 0;
5548
5549 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5550 pri_entry++;
5551 continue;
5552 }
5553
5554 /* check source pid for a match */
5555 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5556 pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5557 pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5558 if (pid1 == INVALID_PORT_ID)
5559 pid_match++;
5560 else if (pid1 == pid2)
5561 pid_match++;
5562 }
5563
5564 /* check destination pid for a match */
5565 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5566 pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5567 pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5568 if (pid1 == INVALID_PORT_ID)
5569 pid_match++;
5570 else if (pid1 == pid2)
5571 pid_match++;
5572 }
5573
5574 /* check source WWN for a match */
5575 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5576 wwn1 = wwn_to_u64(vha->port_name);
5577 wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5578 if (wwn2 == (uint64_t)-1)
5579 wwn_match++;
5580 else if (wwn1 == wwn2)
5581 wwn_match++;
5582 }
5583
5584 /* check destination WWN for a match */
5585 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5586 wwn1 = wwn_to_u64(fcport->port_name);
5587 wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5588 if (wwn2 == (uint64_t)-1)
5589 wwn_match++;
5590 else if (wwn1 == wwn2)
5591 wwn_match++;
5592 }
5593
5594 if (pid_match == 2 || wwn_match == 2) {
5595 /* Found a matching entry */
5596 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5597 priority = pri_entry->tag;
5598 break;
5599 }
5600
5601 pri_entry++;
5602 }
5603
5604 return priority;
5605 }
5606
5607 /*
5608 * qla24xx_update_fcport_fcp_prio
5609 * Activates fcp priority for the logged in fc port
5610 *
5611 * Input:
5612 * vha = scsi host structure pointer.
5613 * fcp = port structure pointer.
5614 *
5615 * Return:
5616 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5617 *
5618 * Context:
5619 * Kernel context.
5620 */
5621 int
5622 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5623 {
5624 int ret;
5625 int priority;
5626 uint16_t mb[5];
5627
5628 if (fcport->port_type != FCT_TARGET ||
5629 fcport->loop_id == FC_NO_LOOP_ID)
5630 return QLA_FUNCTION_FAILED;
5631
5632 priority = qla24xx_get_fcp_prio(vha, fcport);
5633 if (priority < 0)
5634 return QLA_FUNCTION_FAILED;
5635
5636 ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
5637 if (ret == QLA_SUCCESS)
5638 fcport->fcp_prio = priority;
5639 else
5640 DEBUG2(printk(KERN_WARNING
5641 "scsi(%ld): Unable to activate fcp priority, "
5642 " ret=0x%x\n", vha->host_no, ret));
5643
5644 return ret;
5645 }
5646
5647 /*
5648 * qla24xx_update_all_fcp_prio
5649 * Activates fcp priority for all the logged in ports
5650 *
5651 * Input:
5652 * ha = adapter block pointer.
5653 *
5654 * Return:
5655 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5656 *
5657 * Context:
5658 * Kernel context.
5659 */
5660 int
5661 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5662 {
5663 int ret;
5664 fc_port_t *fcport;
5665
5666 ret = QLA_FUNCTION_FAILED;
5667 /* We need to set priority for all logged in ports */
5668 list_for_each_entry(fcport, &vha->vp_fcports, list)
5669 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5670
5671 return ret;
5672 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree