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ocfs2: fix possible use-after-free with AIO
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_init.c
blob54ea68cec4c58c3cd0ee80c48bfaeb3f96e637d4
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 ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
157 "Async-%s timeout - portid=%02x%02x%02x.\n",
158 ctx->name, fcport->d_id.b.domain, fcport->d_id.b.area,
159 fcport->d_id.b.al_pa);
160
161 fcport->flags &= ~FCF_ASYNC_SENT;
162 if (ctx->type == SRB_LOGIN_CMD) {
163 struct srb_iocb *lio = ctx->u.iocb_cmd;
164 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
165 /* Retry as needed. */
166 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
167 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
168 QLA_LOGIO_LOGIN_RETRIED : 0;
169 qla2x00_post_async_login_done_work(fcport->vha, fcport,
170 lio->u.logio.data);
171 }
172 }
173
174 static void
175 qla2x00_async_login_ctx_done(srb_t *sp)
176 {
177 struct srb_ctx *ctx = sp->ctx;
178 struct srb_iocb *lio = ctx->u.iocb_cmd;
179
180 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
181 lio->u.logio.data);
182 lio->free(sp);
183 }
184
185 int
186 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
187 uint16_t *data)
188 {
189 srb_t *sp;
190 struct srb_ctx *ctx;
191 struct srb_iocb *lio;
192 int rval;
193
194 rval = QLA_FUNCTION_FAILED;
195 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
196 qla2x00_get_async_timeout(vha) + 2);
197 if (!sp)
198 goto done;
199
200 ctx = sp->ctx;
201 ctx->type = SRB_LOGIN_CMD;
202 ctx->name = "login";
203 lio = ctx->u.iocb_cmd;
204 lio->timeout = qla2x00_async_iocb_timeout;
205 lio->done = qla2x00_async_login_ctx_done;
206 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
207 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
208 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
209 rval = qla2x00_start_sp(sp);
210 if (rval != QLA_SUCCESS)
211 goto done_free_sp;
212
213 ql_dbg(ql_dbg_disc, vha, 0x2072,
214 "Async-login - loopid=%x portid=%02x%02x%02x retries=%d.\n",
215 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
216 fcport->d_id.b.al_pa, fcport->login_retry);
217 return rval;
218
219 done_free_sp:
220 lio->free(sp);
221 done:
222 return rval;
223 }
224
225 static void
226 qla2x00_async_logout_ctx_done(srb_t *sp)
227 {
228 struct srb_ctx *ctx = sp->ctx;
229 struct srb_iocb *lio = ctx->u.iocb_cmd;
230
231 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
232 lio->u.logio.data);
233 lio->free(sp);
234 }
235
236 int
237 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
238 {
239 srb_t *sp;
240 struct srb_ctx *ctx;
241 struct srb_iocb *lio;
242 int rval;
243
244 rval = QLA_FUNCTION_FAILED;
245 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
246 qla2x00_get_async_timeout(vha) + 2);
247 if (!sp)
248 goto done;
249
250 ctx = sp->ctx;
251 ctx->type = SRB_LOGOUT_CMD;
252 ctx->name = "logout";
253 lio = ctx->u.iocb_cmd;
254 lio->timeout = qla2x00_async_iocb_timeout;
255 lio->done = qla2x00_async_logout_ctx_done;
256 rval = qla2x00_start_sp(sp);
257 if (rval != QLA_SUCCESS)
258 goto done_free_sp;
259
260 ql_dbg(ql_dbg_disc, vha, 0x2070,
261 "Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
262 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
263 fcport->d_id.b.al_pa);
264 return rval;
265
266 done_free_sp:
267 lio->free(sp);
268 done:
269 return rval;
270 }
271
272 static void
273 qla2x00_async_adisc_ctx_done(srb_t *sp)
274 {
275 struct srb_ctx *ctx = sp->ctx;
276 struct srb_iocb *lio = ctx->u.iocb_cmd;
277
278 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
279 lio->u.logio.data);
280 lio->free(sp);
281 }
282
283 int
284 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
285 uint16_t *data)
286 {
287 srb_t *sp;
288 struct srb_ctx *ctx;
289 struct srb_iocb *lio;
290 int rval;
291
292 rval = QLA_FUNCTION_FAILED;
293 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
294 qla2x00_get_async_timeout(vha) + 2);
295 if (!sp)
296 goto done;
297
298 ctx = sp->ctx;
299 ctx->type = SRB_ADISC_CMD;
300 ctx->name = "adisc";
301 lio = ctx->u.iocb_cmd;
302 lio->timeout = qla2x00_async_iocb_timeout;
303 lio->done = qla2x00_async_adisc_ctx_done;
304 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
305 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
306 rval = qla2x00_start_sp(sp);
307 if (rval != QLA_SUCCESS)
308 goto done_free_sp;
309
310 ql_dbg(ql_dbg_disc, vha, 0x206f,
311 "Async-adisc - loopid=%x portid=%02x%02x%02x.\n",
312 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
313 fcport->d_id.b.al_pa);
314 return rval;
315
316 done_free_sp:
317 lio->free(sp);
318 done:
319 return rval;
320 }
321
322 static void
323 qla2x00_async_tm_cmd_ctx_done(srb_t *sp)
324 {
325 struct srb_ctx *ctx = sp->ctx;
326 struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
327
328 qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb);
329 iocb->free(sp);
330 }
331
332 int
333 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
334 uint32_t tag)
335 {
336 struct scsi_qla_host *vha = fcport->vha;
337 srb_t *sp;
338 struct srb_ctx *ctx;
339 struct srb_iocb *tcf;
340 int rval;
341
342 rval = QLA_FUNCTION_FAILED;
343 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
344 qla2x00_get_async_timeout(vha) + 2);
345 if (!sp)
346 goto done;
347
348 ctx = sp->ctx;
349 ctx->type = SRB_TM_CMD;
350 ctx->name = "tmf";
351 tcf = ctx->u.iocb_cmd;
352 tcf->u.tmf.flags = flags;
353 tcf->u.tmf.lun = lun;
354 tcf->u.tmf.data = tag;
355 tcf->timeout = qla2x00_async_iocb_timeout;
356 tcf->done = qla2x00_async_tm_cmd_ctx_done;
357
358 rval = qla2x00_start_sp(sp);
359 if (rval != QLA_SUCCESS)
360 goto done_free_sp;
361
362 ql_dbg(ql_dbg_taskm, vha, 0x802f,
363 "Async-tmf loop-id=%x portid=%02x%02x%02x.\n",
364 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
365 fcport->d_id.b.al_pa);
366 return rval;
367
368 done_free_sp:
369 tcf->free(sp);
370 done:
371 return rval;
372 }
373
374 void
375 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
376 uint16_t *data)
377 {
378 int rval;
379
380 switch (data[0]) {
381 case MBS_COMMAND_COMPLETE:
382 /*
383 * Driver must validate login state - If PRLI not complete,
384 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
385 * requests.
386 */
387 rval = qla2x00_get_port_database(vha, fcport, 0);
388 if (rval != QLA_SUCCESS) {
389 qla2x00_post_async_logout_work(vha, fcport, NULL);
390 qla2x00_post_async_login_work(vha, fcport, NULL);
391 break;
392 }
393 if (fcport->flags & FCF_FCP2_DEVICE) {
394 qla2x00_post_async_adisc_work(vha, fcport, data);
395 break;
396 }
397 qla2x00_update_fcport(vha, fcport);
398 break;
399 case MBS_COMMAND_ERROR:
400 fcport->flags &= ~FCF_ASYNC_SENT;
401 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
402 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
403 else
404 qla2x00_mark_device_lost(vha, fcport, 1, 0);
405 break;
406 case MBS_PORT_ID_USED:
407 fcport->loop_id = data[1];
408 qla2x00_post_async_logout_work(vha, fcport, NULL);
409 qla2x00_post_async_login_work(vha, fcport, NULL);
410 break;
411 case MBS_LOOP_ID_USED:
412 fcport->loop_id++;
413 rval = qla2x00_find_new_loop_id(vha, fcport);
414 if (rval != QLA_SUCCESS) {
415 fcport->flags &= ~FCF_ASYNC_SENT;
416 qla2x00_mark_device_lost(vha, fcport, 1, 0);
417 break;
418 }
419 qla2x00_post_async_login_work(vha, fcport, NULL);
420 break;
421 }
422 return;
423 }
424
425 void
426 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
427 uint16_t *data)
428 {
429 qla2x00_mark_device_lost(vha, fcport, 1, 0);
430 return;
431 }
432
433 void
434 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
435 uint16_t *data)
436 {
437 if (data[0] == MBS_COMMAND_COMPLETE) {
438 qla2x00_update_fcport(vha, fcport);
439
440 return;
441 }
442
443 /* Retry login. */
444 fcport->flags &= ~FCF_ASYNC_SENT;
445 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
446 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
447 else
448 qla2x00_mark_device_lost(vha, fcport, 1, 0);
449
450 return;
451 }
452
453 void
454 qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport,
455 struct srb_iocb *iocb)
456 {
457 int rval;
458 uint32_t flags;
459 uint16_t lun;
460
461 flags = iocb->u.tmf.flags;
462 lun = (uint16_t)iocb->u.tmf.lun;
463
464 /* Issue Marker IOCB */
465 rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
466 vha->hw->rsp_q_map[0], fcport->loop_id, lun,
467 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
468
469 if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
470 ql_dbg(ql_dbg_taskm, vha, 0x8030,
471 "TM IOCB failed (%x).\n", rval);
472 }
473
474 return;
475 }
476
477 /****************************************************************************/
478 /* QLogic ISP2x00 Hardware Support Functions. */
479 /****************************************************************************/
480
481 /*
482 * qla2x00_initialize_adapter
483 * Initialize board.
484 *
485 * Input:
486 * ha = adapter block pointer.
487 *
488 * Returns:
489 * 0 = success
490 */
491 int
492 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
493 {
494 int rval;
495 struct qla_hw_data *ha = vha->hw;
496 struct req_que *req = ha->req_q_map[0];
497
498 /* Clear adapter flags. */
499 vha->flags.online = 0;
500 ha->flags.chip_reset_done = 0;
501 vha->flags.reset_active = 0;
502 ha->flags.pci_channel_io_perm_failure = 0;
503 ha->flags.eeh_busy = 0;
504 ha->flags.thermal_supported = 1;
505 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
506 atomic_set(&vha->loop_state, LOOP_DOWN);
507 vha->device_flags = DFLG_NO_CABLE;
508 vha->dpc_flags = 0;
509 vha->flags.management_server_logged_in = 0;
510 vha->marker_needed = 0;
511 ha->isp_abort_cnt = 0;
512 ha->beacon_blink_led = 0;
513
514 set_bit(0, ha->req_qid_map);
515 set_bit(0, ha->rsp_qid_map);
516
517 ql_log(ql_log_info, vha, 0x0040,
518 "Configuring PCI space...\n");
519 rval = ha->isp_ops->pci_config(vha);
520 if (rval) {
521 ql_log(ql_log_warn, vha, 0x0044,
522 "Unable to configure PCI space.\n");
523 return (rval);
524 }
525
526 ha->isp_ops->reset_chip(vha);
527
528 rval = qla2xxx_get_flash_info(vha);
529 if (rval) {
530 ql_log(ql_log_fatal, vha, 0x004f,
531 "Unable to validate FLASH data.\n");
532 return (rval);
533 }
534
535 ha->isp_ops->get_flash_version(vha, req->ring);
536 ql_log(ql_log_info, vha, 0x0061,
537 "Configure NVRAM parameters...\n");
538
539 ha->isp_ops->nvram_config(vha);
540
541 if (ha->flags.disable_serdes) {
542 /* Mask HBA via NVRAM settings? */
543 ql_log(ql_log_info, vha, 0x0077,
544 "Masking HBA WWPN "
545 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
546 vha->port_name[0], vha->port_name[1],
547 vha->port_name[2], vha->port_name[3],
548 vha->port_name[4], vha->port_name[5],
549 vha->port_name[6], vha->port_name[7]);
550 return QLA_FUNCTION_FAILED;
551 }
552
553 ql_log(ql_log_info, vha, 0x0078,
554 "Verifying loaded RISC code...\n");
555
556 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
557 rval = ha->isp_ops->chip_diag(vha);
558 if (rval)
559 return (rval);
560 rval = qla2x00_setup_chip(vha);
561 if (rval)
562 return (rval);
563 }
564
565 if (IS_QLA84XX(ha)) {
566 ha->cs84xx = qla84xx_get_chip(vha);
567 if (!ha->cs84xx) {
568 ql_log(ql_log_warn, vha, 0x00d0,
569 "Unable to configure ISP84XX.\n");
570 return QLA_FUNCTION_FAILED;
571 }
572 }
573 rval = qla2x00_init_rings(vha);
574 ha->flags.chip_reset_done = 1;
575
576 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
577 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
578 rval = qla84xx_init_chip(vha);
579 if (rval != QLA_SUCCESS) {
580 ql_log(ql_log_warn, vha, 0x00d4,
581 "Unable to initialize ISP84XX.\n");
582 qla84xx_put_chip(vha);
583 }
584 }
585
586 if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
587 qla24xx_read_fcp_prio_cfg(vha);
588
589 return (rval);
590 }
591
592 /**
593 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
594 * @ha: HA context
595 *
596 * Returns 0 on success.
597 */
598 int
599 qla2100_pci_config(scsi_qla_host_t *vha)
600 {
601 uint16_t w;
602 unsigned long flags;
603 struct qla_hw_data *ha = vha->hw;
604 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
605
606 pci_set_master(ha->pdev);
607 pci_try_set_mwi(ha->pdev);
608
609 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
610 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
611 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
612
613 pci_disable_rom(ha->pdev);
614
615 /* Get PCI bus information. */
616 spin_lock_irqsave(&ha->hardware_lock, flags);
617 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
618 spin_unlock_irqrestore(&ha->hardware_lock, flags);
619
620 return QLA_SUCCESS;
621 }
622
623 /**
624 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
625 * @ha: HA context
626 *
627 * Returns 0 on success.
628 */
629 int
630 qla2300_pci_config(scsi_qla_host_t *vha)
631 {
632 uint16_t w;
633 unsigned long flags = 0;
634 uint32_t cnt;
635 struct qla_hw_data *ha = vha->hw;
636 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
637
638 pci_set_master(ha->pdev);
639 pci_try_set_mwi(ha->pdev);
640
641 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
642 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
643
644 if (IS_QLA2322(ha) || IS_QLA6322(ha))
645 w &= ~PCI_COMMAND_INTX_DISABLE;
646 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
647
648 /*
649 * If this is a 2300 card and not 2312, reset the
650 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
651 * the 2310 also reports itself as a 2300 so we need to get the
652 * fb revision level -- a 6 indicates it really is a 2300 and
653 * not a 2310.
654 */
655 if (IS_QLA2300(ha)) {
656 spin_lock_irqsave(&ha->hardware_lock, flags);
657
658 /* Pause RISC. */
659 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
660 for (cnt = 0; cnt < 30000; cnt++) {
661 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
662 break;
663
664 udelay(10);
665 }
666
667 /* Select FPM registers. */
668 WRT_REG_WORD(&reg->ctrl_status, 0x20);
669 RD_REG_WORD(&reg->ctrl_status);
670
671 /* Get the fb rev level */
672 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
673
674 if (ha->fb_rev == FPM_2300)
675 pci_clear_mwi(ha->pdev);
676
677 /* Deselect FPM registers. */
678 WRT_REG_WORD(&reg->ctrl_status, 0x0);
679 RD_REG_WORD(&reg->ctrl_status);
680
681 /* Release RISC module. */
682 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
683 for (cnt = 0; cnt < 30000; cnt++) {
684 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
685 break;
686
687 udelay(10);
688 }
689
690 spin_unlock_irqrestore(&ha->hardware_lock, flags);
691 }
692
693 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
694
695 pci_disable_rom(ha->pdev);
696
697 /* Get PCI bus information. */
698 spin_lock_irqsave(&ha->hardware_lock, flags);
699 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
700 spin_unlock_irqrestore(&ha->hardware_lock, flags);
701
702 return QLA_SUCCESS;
703 }
704
705 /**
706 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
707 * @ha: HA context
708 *
709 * Returns 0 on success.
710 */
711 int
712 qla24xx_pci_config(scsi_qla_host_t *vha)
713 {
714 uint16_t w;
715 unsigned long flags = 0;
716 struct qla_hw_data *ha = vha->hw;
717 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
718
719 pci_set_master(ha->pdev);
720 pci_try_set_mwi(ha->pdev);
721
722 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
723 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
724 w &= ~PCI_COMMAND_INTX_DISABLE;
725 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
726
727 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
728
729 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
730 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
731 pcix_set_mmrbc(ha->pdev, 2048);
732
733 /* PCIe -- adjust Maximum Read Request Size (2048). */
734 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
735 pcie_set_readrq(ha->pdev, 2048);
736
737 pci_disable_rom(ha->pdev);
738
739 ha->chip_revision = ha->pdev->revision;
740
741 /* Get PCI bus information. */
742 spin_lock_irqsave(&ha->hardware_lock, flags);
743 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
744 spin_unlock_irqrestore(&ha->hardware_lock, flags);
745
746 return QLA_SUCCESS;
747 }
748
749 /**
750 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
751 * @ha: HA context
752 *
753 * Returns 0 on success.
754 */
755 int
756 qla25xx_pci_config(scsi_qla_host_t *vha)
757 {
758 uint16_t w;
759 struct qla_hw_data *ha = vha->hw;
760
761 pci_set_master(ha->pdev);
762 pci_try_set_mwi(ha->pdev);
763
764 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
765 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
766 w &= ~PCI_COMMAND_INTX_DISABLE;
767 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
768
769 /* PCIe -- adjust Maximum Read Request Size (2048). */
770 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
771 pcie_set_readrq(ha->pdev, 2048);
772
773 pci_disable_rom(ha->pdev);
774
775 ha->chip_revision = ha->pdev->revision;
776
777 return QLA_SUCCESS;
778 }
779
780 /**
781 * qla2x00_isp_firmware() - Choose firmware image.
782 * @ha: HA context
783 *
784 * Returns 0 on success.
785 */
786 static int
787 qla2x00_isp_firmware(scsi_qla_host_t *vha)
788 {
789 int rval;
790 uint16_t loop_id, topo, sw_cap;
791 uint8_t domain, area, al_pa;
792 struct qla_hw_data *ha = vha->hw;
793
794 /* Assume loading risc code */
795 rval = QLA_FUNCTION_FAILED;
796
797 if (ha->flags.disable_risc_code_load) {
798 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
799
800 /* Verify checksum of loaded RISC code. */
801 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
802 if (rval == QLA_SUCCESS) {
803 /* And, verify we are not in ROM code. */
804 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
805 &area, &domain, &topo, &sw_cap);
806 }
807 }
808
809 if (rval)
810 ql_dbg(ql_dbg_init, vha, 0x007a,
811 "**** Load RISC code ****.\n");
812
813 return (rval);
814 }
815
816 /**
817 * qla2x00_reset_chip() - Reset ISP chip.
818 * @ha: HA context
819 *
820 * Returns 0 on success.
821 */
822 void
823 qla2x00_reset_chip(scsi_qla_host_t *vha)
824 {
825 unsigned long flags = 0;
826 struct qla_hw_data *ha = vha->hw;
827 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
828 uint32_t cnt;
829 uint16_t cmd;
830
831 if (unlikely(pci_channel_offline(ha->pdev)))
832 return;
833
834 ha->isp_ops->disable_intrs(ha);
835
836 spin_lock_irqsave(&ha->hardware_lock, flags);
837
838 /* Turn off master enable */
839 cmd = 0;
840 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
841 cmd &= ~PCI_COMMAND_MASTER;
842 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
843
844 if (!IS_QLA2100(ha)) {
845 /* Pause RISC. */
846 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
847 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
848 for (cnt = 0; cnt < 30000; cnt++) {
849 if ((RD_REG_WORD(&reg->hccr) &
850 HCCR_RISC_PAUSE) != 0)
851 break;
852 udelay(100);
853 }
854 } else {
855 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
856 udelay(10);
857 }
858
859 /* Select FPM registers. */
860 WRT_REG_WORD(&reg->ctrl_status, 0x20);
861 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
862
863 /* FPM Soft Reset. */
864 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
865 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
866
867 /* Toggle Fpm Reset. */
868 if (!IS_QLA2200(ha)) {
869 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
870 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
871 }
872
873 /* Select frame buffer registers. */
874 WRT_REG_WORD(&reg->ctrl_status, 0x10);
875 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
876
877 /* Reset frame buffer FIFOs. */
878 if (IS_QLA2200(ha)) {
879 WRT_FB_CMD_REG(ha, reg, 0xa000);
880 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
881 } else {
882 WRT_FB_CMD_REG(ha, reg, 0x00fc);
883
884 /* Read back fb_cmd until zero or 3 seconds max */
885 for (cnt = 0; cnt < 3000; cnt++) {
886 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
887 break;
888 udelay(100);
889 }
890 }
891
892 /* Select RISC module registers. */
893 WRT_REG_WORD(&reg->ctrl_status, 0);
894 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
895
896 /* Reset RISC processor. */
897 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
898 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
899
900 /* Release RISC processor. */
901 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
902 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
903 }
904
905 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
906 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
907
908 /* Reset ISP chip. */
909 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
910
911 /* Wait for RISC to recover from reset. */
912 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
913 /*
914 * It is necessary to for a delay here since the card doesn't
915 * respond to PCI reads during a reset. On some architectures
916 * this will result in an MCA.
917 */
918 udelay(20);
919 for (cnt = 30000; cnt; cnt--) {
920 if ((RD_REG_WORD(&reg->ctrl_status) &
921 CSR_ISP_SOFT_RESET) == 0)
922 break;
923 udelay(100);
924 }
925 } else
926 udelay(10);
927
928 /* Reset RISC processor. */
929 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
930
931 WRT_REG_WORD(&reg->semaphore, 0);
932
933 /* Release RISC processor. */
934 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
935 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
936
937 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
938 for (cnt = 0; cnt < 30000; cnt++) {
939 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
940 break;
941
942 udelay(100);
943 }
944 } else
945 udelay(100);
946
947 /* Turn on master enable */
948 cmd |= PCI_COMMAND_MASTER;
949 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
950
951 /* Disable RISC pause on FPM parity error. */
952 if (!IS_QLA2100(ha)) {
953 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
954 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
955 }
956
957 spin_unlock_irqrestore(&ha->hardware_lock, flags);
958 }
959
960 /**
961 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
962 *
963 * Returns 0 on success.
964 */
965 int
966 qla81xx_reset_mpi(scsi_qla_host_t *vha)
967 {
968 uint16_t mb[4] = {0x1010, 0, 1, 0};
969
970 return qla81xx_write_mpi_register(vha, mb);
971 }
972
973 /**
974 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
975 * @ha: HA context
976 *
977 * Returns 0 on success.
978 */
979 static inline void
980 qla24xx_reset_risc(scsi_qla_host_t *vha)
981 {
982 unsigned long flags = 0;
983 struct qla_hw_data *ha = vha->hw;
984 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
985 uint32_t cnt, d2;
986 uint16_t wd;
987 static int abts_cnt; /* ISP abort retry counts */
988
989 spin_lock_irqsave(&ha->hardware_lock, flags);
990
991 /* Reset RISC. */
992 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
993 for (cnt = 0; cnt < 30000; cnt++) {
994 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
995 break;
996
997 udelay(10);
998 }
999
1000 WRT_REG_DWORD(&reg->ctrl_status,
1001 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1002 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1003
1004 udelay(100);
1005 /* Wait for firmware to complete NVRAM accesses. */
1006 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1007 for (cnt = 10000 ; cnt && d2; cnt--) {
1008 udelay(5);
1009 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1010 barrier();
1011 }
1012
1013 /* Wait for soft-reset to complete. */
1014 d2 = RD_REG_DWORD(&reg->ctrl_status);
1015 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1016 udelay(5);
1017 d2 = RD_REG_DWORD(&reg->ctrl_status);
1018 barrier();
1019 }
1020
1021 /* If required, do an MPI FW reset now */
1022 if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1023 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1024 if (++abts_cnt < 5) {
1025 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1026 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1027 } else {
1028 /*
1029 * We exhausted the ISP abort retries. We have to
1030 * set the board offline.
1031 */
1032 abts_cnt = 0;
1033 vha->flags.online = 0;
1034 }
1035 }
1036 }
1037
1038 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1039 RD_REG_DWORD(&reg->hccr);
1040
1041 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1042 RD_REG_DWORD(&reg->hccr);
1043
1044 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1045 RD_REG_DWORD(&reg->hccr);
1046
1047 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1048 for (cnt = 6000000 ; cnt && d2; cnt--) {
1049 udelay(5);
1050 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1051 barrier();
1052 }
1053
1054 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1055
1056 if (IS_NOPOLLING_TYPE(ha))
1057 ha->isp_ops->enable_intrs(ha);
1058 }
1059
1060 /**
1061 * qla24xx_reset_chip() - Reset ISP24xx chip.
1062 * @ha: HA context
1063 *
1064 * Returns 0 on success.
1065 */
1066 void
1067 qla24xx_reset_chip(scsi_qla_host_t *vha)
1068 {
1069 struct qla_hw_data *ha = vha->hw;
1070
1071 if (pci_channel_offline(ha->pdev) &&
1072 ha->flags.pci_channel_io_perm_failure) {
1073 return;
1074 }
1075
1076 ha->isp_ops->disable_intrs(ha);
1077
1078 /* Perform RISC reset. */
1079 qla24xx_reset_risc(vha);
1080 }
1081
1082 /**
1083 * qla2x00_chip_diag() - Test chip for proper operation.
1084 * @ha: HA context
1085 *
1086 * Returns 0 on success.
1087 */
1088 int
1089 qla2x00_chip_diag(scsi_qla_host_t *vha)
1090 {
1091 int rval;
1092 struct qla_hw_data *ha = vha->hw;
1093 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1094 unsigned long flags = 0;
1095 uint16_t data;
1096 uint32_t cnt;
1097 uint16_t mb[5];
1098 struct req_que *req = ha->req_q_map[0];
1099
1100 /* Assume a failed state */
1101 rval = QLA_FUNCTION_FAILED;
1102
1103 ql_dbg(ql_dbg_init, vha, 0x007b,
1104 "Testing device at %lx.\n", (u_long)&reg->flash_address);
1105
1106 spin_lock_irqsave(&ha->hardware_lock, flags);
1107
1108 /* Reset ISP chip. */
1109 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1110
1111 /*
1112 * We need to have a delay here since the card will not respond while
1113 * in reset causing an MCA on some architectures.
1114 */
1115 udelay(20);
1116 data = qla2x00_debounce_register(&reg->ctrl_status);
1117 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1118 udelay(5);
1119 data = RD_REG_WORD(&reg->ctrl_status);
1120 barrier();
1121 }
1122
1123 if (!cnt)
1124 goto chip_diag_failed;
1125
1126 ql_dbg(ql_dbg_init, vha, 0x007c,
1127 "Reset register cleared by chip reset.\n");
1128
1129 /* Reset RISC processor. */
1130 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1131 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1132
1133 /* Workaround for QLA2312 PCI parity error */
1134 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1135 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1136 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1137 udelay(5);
1138 data = RD_MAILBOX_REG(ha, reg, 0);
1139 barrier();
1140 }
1141 } else
1142 udelay(10);
1143
1144 if (!cnt)
1145 goto chip_diag_failed;
1146
1147 /* Check product ID of chip */
1148 ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1149
1150 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1151 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1152 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1153 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1154 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1155 mb[3] != PROD_ID_3) {
1156 ql_log(ql_log_warn, vha, 0x0062,
1157 "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1158 mb[1], mb[2], mb[3]);
1159
1160 goto chip_diag_failed;
1161 }
1162 ha->product_id[0] = mb[1];
1163 ha->product_id[1] = mb[2];
1164 ha->product_id[2] = mb[3];
1165 ha->product_id[3] = mb[4];
1166
1167 /* Adjust fw RISC transfer size */
1168 if (req->length > 1024)
1169 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1170 else
1171 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1172 req->length;
1173
1174 if (IS_QLA2200(ha) &&
1175 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1176 /* Limit firmware transfer size with a 2200A */
1177 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1178
1179 ha->device_type |= DT_ISP2200A;
1180 ha->fw_transfer_size = 128;
1181 }
1182
1183 /* Wrap Incoming Mailboxes Test. */
1184 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1185
1186 ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1187 rval = qla2x00_mbx_reg_test(vha);
1188 if (rval)
1189 ql_log(ql_log_warn, vha, 0x0080,
1190 "Failed mailbox send register test.\n");
1191 else
1192 /* Flag a successful rval */
1193 rval = QLA_SUCCESS;
1194 spin_lock_irqsave(&ha->hardware_lock, flags);
1195
1196 chip_diag_failed:
1197 if (rval)
1198 ql_log(ql_log_info, vha, 0x0081,
1199 "Chip diagnostics **** FAILED ****.\n");
1200
1201 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1202
1203 return (rval);
1204 }
1205
1206 /**
1207 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1208 * @ha: HA context
1209 *
1210 * Returns 0 on success.
1211 */
1212 int
1213 qla24xx_chip_diag(scsi_qla_host_t *vha)
1214 {
1215 int rval;
1216 struct qla_hw_data *ha = vha->hw;
1217 struct req_que *req = ha->req_q_map[0];
1218
1219 if (IS_QLA82XX(ha))
1220 return QLA_SUCCESS;
1221
1222 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1223
1224 rval = qla2x00_mbx_reg_test(vha);
1225 if (rval) {
1226 ql_log(ql_log_warn, vha, 0x0082,
1227 "Failed mailbox send register test.\n");
1228 } else {
1229 /* Flag a successful rval */
1230 rval = QLA_SUCCESS;
1231 }
1232
1233 return rval;
1234 }
1235
1236 void
1237 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1238 {
1239 int rval;
1240 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1241 eft_size, fce_size, mq_size;
1242 dma_addr_t tc_dma;
1243 void *tc;
1244 struct qla_hw_data *ha = vha->hw;
1245 struct req_que *req = ha->req_q_map[0];
1246 struct rsp_que *rsp = ha->rsp_q_map[0];
1247
1248 if (ha->fw_dump) {
1249 ql_dbg(ql_dbg_init, vha, 0x00bd,
1250 "Firmware dump already allocated.\n");
1251 return;
1252 }
1253
1254 ha->fw_dumped = 0;
1255 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1256 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1257 fixed_size = sizeof(struct qla2100_fw_dump);
1258 } else if (IS_QLA23XX(ha)) {
1259 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1260 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1261 sizeof(uint16_t);
1262 } else if (IS_FWI2_CAPABLE(ha)) {
1263 if (IS_QLA81XX(ha))
1264 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1265 else if (IS_QLA25XX(ha))
1266 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1267 else
1268 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1269 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1270 sizeof(uint32_t);
1271 if (ha->mqenable)
1272 mq_size = sizeof(struct qla2xxx_mq_chain);
1273 /* Allocate memory for Fibre Channel Event Buffer. */
1274 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1275 goto try_eft;
1276
1277 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1278 GFP_KERNEL);
1279 if (!tc) {
1280 ql_log(ql_log_warn, vha, 0x00be,
1281 "Unable to allocate (%d KB) for FCE.\n",
1282 FCE_SIZE / 1024);
1283 goto try_eft;
1284 }
1285
1286 memset(tc, 0, FCE_SIZE);
1287 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1288 ha->fce_mb, &ha->fce_bufs);
1289 if (rval) {
1290 ql_log(ql_log_warn, vha, 0x00bf,
1291 "Unable to initialize FCE (%d).\n", rval);
1292 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1293 tc_dma);
1294 ha->flags.fce_enabled = 0;
1295 goto try_eft;
1296 }
1297 ql_log(ql_log_info, vha, 0x00c0,
1298 "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1299
1300 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1301 ha->flags.fce_enabled = 1;
1302 ha->fce_dma = tc_dma;
1303 ha->fce = tc;
1304 try_eft:
1305 /* Allocate memory for Extended Trace Buffer. */
1306 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1307 GFP_KERNEL);
1308 if (!tc) {
1309 ql_log(ql_log_warn, vha, 0x00c1,
1310 "Unable to allocate (%d KB) for EFT.\n",
1311 EFT_SIZE / 1024);
1312 goto cont_alloc;
1313 }
1314
1315 memset(tc, 0, EFT_SIZE);
1316 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1317 if (rval) {
1318 ql_log(ql_log_warn, vha, 0x00c2,
1319 "Unable to initialize EFT (%d).\n", rval);
1320 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1321 tc_dma);
1322 goto cont_alloc;
1323 }
1324 ql_log(ql_log_info, vha, 0x00c3,
1325 "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1326
1327 eft_size = EFT_SIZE;
1328 ha->eft_dma = tc_dma;
1329 ha->eft = tc;
1330 }
1331 cont_alloc:
1332 req_q_size = req->length * sizeof(request_t);
1333 rsp_q_size = rsp->length * sizeof(response_t);
1334
1335 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1336 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1337 ha->chain_offset = dump_size;
1338 dump_size += mq_size + fce_size;
1339
1340 ha->fw_dump = vmalloc(dump_size);
1341 if (!ha->fw_dump) {
1342 ql_log(ql_log_warn, vha, 0x00c4,
1343 "Unable to allocate (%d KB) for firmware dump.\n",
1344 dump_size / 1024);
1345
1346 if (ha->fce) {
1347 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1348 ha->fce_dma);
1349 ha->fce = NULL;
1350 ha->fce_dma = 0;
1351 }
1352
1353 if (ha->eft) {
1354 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1355 ha->eft_dma);
1356 ha->eft = NULL;
1357 ha->eft_dma = 0;
1358 }
1359 return;
1360 }
1361 ql_log(ql_log_info, vha, 0x00c5,
1362 "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1363
1364 ha->fw_dump_len = dump_size;
1365 ha->fw_dump->signature[0] = 'Q';
1366 ha->fw_dump->signature[1] = 'L';
1367 ha->fw_dump->signature[2] = 'G';
1368 ha->fw_dump->signature[3] = 'C';
1369 ha->fw_dump->version = __constant_htonl(1);
1370
1371 ha->fw_dump->fixed_size = htonl(fixed_size);
1372 ha->fw_dump->mem_size = htonl(mem_size);
1373 ha->fw_dump->req_q_size = htonl(req_q_size);
1374 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1375
1376 ha->fw_dump->eft_size = htonl(eft_size);
1377 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1378 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1379
1380 ha->fw_dump->header_size =
1381 htonl(offsetof(struct qla2xxx_fw_dump, isp));
1382 }
1383
1384 static int
1385 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1386 {
1387 #define MPS_MASK 0xe0
1388 int rval;
1389 uint16_t dc;
1390 uint32_t dw;
1391
1392 if (!IS_QLA81XX(vha->hw))
1393 return QLA_SUCCESS;
1394
1395 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1396 if (rval != QLA_SUCCESS) {
1397 ql_log(ql_log_warn, vha, 0x0105,
1398 "Unable to acquire semaphore.\n");
1399 goto done;
1400 }
1401
1402 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1403 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1404 if (rval != QLA_SUCCESS) {
1405 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1406 goto done_release;
1407 }
1408
1409 dc &= MPS_MASK;
1410 if (dc == (dw & MPS_MASK))
1411 goto done_release;
1412
1413 dw &= ~MPS_MASK;
1414 dw |= dc;
1415 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1416 if (rval != QLA_SUCCESS) {
1417 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1418 }
1419
1420 done_release:
1421 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1422 if (rval != QLA_SUCCESS) {
1423 ql_log(ql_log_warn, vha, 0x006d,
1424 "Unable to release semaphore.\n");
1425 }
1426
1427 done:
1428 return rval;
1429 }
1430
1431 /**
1432 * qla2x00_setup_chip() - Load and start RISC firmware.
1433 * @ha: HA context
1434 *
1435 * Returns 0 on success.
1436 */
1437 static int
1438 qla2x00_setup_chip(scsi_qla_host_t *vha)
1439 {
1440 int rval;
1441 uint32_t srisc_address = 0;
1442 struct qla_hw_data *ha = vha->hw;
1443 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1444 unsigned long flags;
1445 uint16_t fw_major_version;
1446
1447 if (IS_QLA82XX(ha)) {
1448 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1449 if (rval == QLA_SUCCESS) {
1450 qla2x00_stop_firmware(vha);
1451 goto enable_82xx_npiv;
1452 } else
1453 goto failed;
1454 }
1455
1456 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1457 /* Disable SRAM, Instruction RAM and GP RAM parity. */
1458 spin_lock_irqsave(&ha->hardware_lock, flags);
1459 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1460 RD_REG_WORD(&reg->hccr);
1461 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1462 }
1463
1464 qla81xx_mpi_sync(vha);
1465
1466 /* Load firmware sequences */
1467 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1468 if (rval == QLA_SUCCESS) {
1469 ql_dbg(ql_dbg_init, vha, 0x00c9,
1470 "Verifying Checksum of loaded RISC code.\n");
1471
1472 rval = qla2x00_verify_checksum(vha, srisc_address);
1473 if (rval == QLA_SUCCESS) {
1474 /* Start firmware execution. */
1475 ql_dbg(ql_dbg_init, vha, 0x00ca,
1476 "Starting firmware.\n");
1477
1478 rval = qla2x00_execute_fw(vha, srisc_address);
1479 /* Retrieve firmware information. */
1480 if (rval == QLA_SUCCESS) {
1481 enable_82xx_npiv:
1482 fw_major_version = ha->fw_major_version;
1483 if (IS_QLA82XX(ha))
1484 qla82xx_check_md_needed(vha);
1485 else {
1486 rval = qla2x00_get_fw_version(vha,
1487 &ha->fw_major_version,
1488 &ha->fw_minor_version,
1489 &ha->fw_subminor_version,
1490 &ha->fw_attributes,
1491 &ha->fw_memory_size,
1492 ha->mpi_version,
1493 &ha->mpi_capabilities,
1494 ha->phy_version);
1495 }
1496 if (rval != QLA_SUCCESS)
1497 goto failed;
1498 ha->flags.npiv_supported = 0;
1499 if (IS_QLA2XXX_MIDTYPE(ha) &&
1500 (ha->fw_attributes & BIT_2)) {
1501 ha->flags.npiv_supported = 1;
1502 if ((!ha->max_npiv_vports) ||
1503 ((ha->max_npiv_vports + 1) %
1504 MIN_MULTI_ID_FABRIC))
1505 ha->max_npiv_vports =
1506 MIN_MULTI_ID_FABRIC - 1;
1507 }
1508 qla2x00_get_resource_cnts(vha, NULL,
1509 &ha->fw_xcb_count, NULL, NULL,
1510 &ha->max_npiv_vports, NULL);
1511
1512 if (!fw_major_version && ql2xallocfwdump
1513 && !IS_QLA82XX(ha))
1514 qla2x00_alloc_fw_dump(vha);
1515 }
1516 } else {
1517 ql_log(ql_log_fatal, vha, 0x00cd,
1518 "ISP Firmware failed checksum.\n");
1519 goto failed;
1520 }
1521 }
1522
1523 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1524 /* Enable proper parity. */
1525 spin_lock_irqsave(&ha->hardware_lock, flags);
1526 if (IS_QLA2300(ha))
1527 /* SRAM parity */
1528 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1529 else
1530 /* SRAM, Instruction RAM and GP RAM parity */
1531 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1532 RD_REG_WORD(&reg->hccr);
1533 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1534 }
1535
1536 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1537 uint32_t size;
1538
1539 rval = qla81xx_fac_get_sector_size(vha, &size);
1540 if (rval == QLA_SUCCESS) {
1541 ha->flags.fac_supported = 1;
1542 ha->fdt_block_size = size << 2;
1543 } else {
1544 ql_log(ql_log_warn, vha, 0x00ce,
1545 "Unsupported FAC firmware (%d.%02d.%02d).\n",
1546 ha->fw_major_version, ha->fw_minor_version,
1547 ha->fw_subminor_version);
1548 }
1549 }
1550 failed:
1551 if (rval) {
1552 ql_log(ql_log_fatal, vha, 0x00cf,
1553 "Setup chip ****FAILED****.\n");
1554 }
1555
1556 return (rval);
1557 }
1558
1559 /**
1560 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1561 * @ha: HA context
1562 *
1563 * Beginning of request ring has initialization control block already built
1564 * by nvram config routine.
1565 *
1566 * Returns 0 on success.
1567 */
1568 void
1569 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1570 {
1571 uint16_t cnt;
1572 response_t *pkt;
1573
1574 rsp->ring_ptr = rsp->ring;
1575 rsp->ring_index = 0;
1576 rsp->status_srb = NULL;
1577 pkt = rsp->ring_ptr;
1578 for (cnt = 0; cnt < rsp->length; cnt++) {
1579 pkt->signature = RESPONSE_PROCESSED;
1580 pkt++;
1581 }
1582 }
1583
1584 /**
1585 * qla2x00_update_fw_options() - Read and process firmware options.
1586 * @ha: HA context
1587 *
1588 * Returns 0 on success.
1589 */
1590 void
1591 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1592 {
1593 uint16_t swing, emphasis, tx_sens, rx_sens;
1594 struct qla_hw_data *ha = vha->hw;
1595
1596 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1597 qla2x00_get_fw_options(vha, ha->fw_options);
1598
1599 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1600 return;
1601
1602 /* Serial Link options. */
1603 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1604 "Serial link options.\n");
1605 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1606 (uint8_t *)&ha->fw_seriallink_options,
1607 sizeof(ha->fw_seriallink_options));
1608
1609 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1610 if (ha->fw_seriallink_options[3] & BIT_2) {
1611 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1612
1613 /* 1G settings */
1614 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1615 emphasis = (ha->fw_seriallink_options[2] &
1616 (BIT_4 | BIT_3)) >> 3;
1617 tx_sens = ha->fw_seriallink_options[0] &
1618 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1619 rx_sens = (ha->fw_seriallink_options[0] &
1620 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1621 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1622 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1623 if (rx_sens == 0x0)
1624 rx_sens = 0x3;
1625 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1626 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1627 ha->fw_options[10] |= BIT_5 |
1628 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1629 (tx_sens & (BIT_1 | BIT_0));
1630
1631 /* 2G settings */
1632 swing = (ha->fw_seriallink_options[2] &
1633 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1634 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1635 tx_sens = ha->fw_seriallink_options[1] &
1636 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1637 rx_sens = (ha->fw_seriallink_options[1] &
1638 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1639 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1640 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1641 if (rx_sens == 0x0)
1642 rx_sens = 0x3;
1643 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1644 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1645 ha->fw_options[11] |= BIT_5 |
1646 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1647 (tx_sens & (BIT_1 | BIT_0));
1648 }
1649
1650 /* FCP2 options. */
1651 /* Return command IOCBs without waiting for an ABTS to complete. */
1652 ha->fw_options[3] |= BIT_13;
1653
1654 /* LED scheme. */
1655 if (ha->flags.enable_led_scheme)
1656 ha->fw_options[2] |= BIT_12;
1657
1658 /* Detect ISP6312. */
1659 if (IS_QLA6312(ha))
1660 ha->fw_options[2] |= BIT_13;
1661
1662 /* Update firmware options. */
1663 qla2x00_set_fw_options(vha, ha->fw_options);
1664 }
1665
1666 void
1667 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1668 {
1669 int rval;
1670 struct qla_hw_data *ha = vha->hw;
1671
1672 if (IS_QLA82XX(ha))
1673 return;
1674
1675 /* Update Serial Link options. */
1676 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1677 return;
1678
1679 rval = qla2x00_set_serdes_params(vha,
1680 le16_to_cpu(ha->fw_seriallink_options24[1]),
1681 le16_to_cpu(ha->fw_seriallink_options24[2]),
1682 le16_to_cpu(ha->fw_seriallink_options24[3]));
1683 if (rval != QLA_SUCCESS) {
1684 ql_log(ql_log_warn, vha, 0x0104,
1685 "Unable to update Serial Link options (%x).\n", rval);
1686 }
1687 }
1688
1689 void
1690 qla2x00_config_rings(struct scsi_qla_host *vha)
1691 {
1692 struct qla_hw_data *ha = vha->hw;
1693 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1694 struct req_que *req = ha->req_q_map[0];
1695 struct rsp_que *rsp = ha->rsp_q_map[0];
1696
1697 /* Setup ring parameters in initialization control block. */
1698 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1699 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1700 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1701 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1702 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1703 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1704 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1705 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1706
1707 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1708 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1709 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1710 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1711 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1712 }
1713
1714 void
1715 qla24xx_config_rings(struct scsi_qla_host *vha)
1716 {
1717 struct qla_hw_data *ha = vha->hw;
1718 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1719 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1720 struct qla_msix_entry *msix;
1721 struct init_cb_24xx *icb;
1722 uint16_t rid = 0;
1723 struct req_que *req = ha->req_q_map[0];
1724 struct rsp_que *rsp = ha->rsp_q_map[0];
1725
1726 /* Setup ring parameters in initialization control block. */
1727 icb = (struct init_cb_24xx *)ha->init_cb;
1728 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1729 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1730 icb->request_q_length = cpu_to_le16(req->length);
1731 icb->response_q_length = cpu_to_le16(rsp->length);
1732 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1733 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1734 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1735 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1736
1737 if (ha->mqenable) {
1738 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1739 icb->rid = __constant_cpu_to_le16(rid);
1740 if (ha->flags.msix_enabled) {
1741 msix = &ha->msix_entries[1];
1742 ql_dbg(ql_dbg_init, vha, 0x00fd,
1743 "Registering vector 0x%x for base que.\n",
1744 msix->entry);
1745 icb->msix = cpu_to_le16(msix->entry);
1746 }
1747 /* Use alternate PCI bus number */
1748 if (MSB(rid))
1749 icb->firmware_options_2 |=
1750 __constant_cpu_to_le32(BIT_19);
1751 /* Use alternate PCI devfn */
1752 if (LSB(rid))
1753 icb->firmware_options_2 |=
1754 __constant_cpu_to_le32(BIT_18);
1755
1756 /* Use Disable MSIX Handshake mode for capable adapters */
1757 if (IS_MSIX_NACK_CAPABLE(ha)) {
1758 icb->firmware_options_2 &=
1759 __constant_cpu_to_le32(~BIT_22);
1760 ha->flags.disable_msix_handshake = 1;
1761 ql_dbg(ql_dbg_init, vha, 0x00fe,
1762 "MSIX Handshake Disable Mode turned on.\n");
1763 } else {
1764 icb->firmware_options_2 |=
1765 __constant_cpu_to_le32(BIT_22);
1766 }
1767 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1768
1769 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1770 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1771 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1772 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1773 } else {
1774 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1775 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1776 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1777 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1778 }
1779 /* PCI posting */
1780 RD_REG_DWORD(&ioreg->hccr);
1781 }
1782
1783 /**
1784 * qla2x00_init_rings() - Initializes firmware.
1785 * @ha: HA context
1786 *
1787 * Beginning of request ring has initialization control block already built
1788 * by nvram config routine.
1789 *
1790 * Returns 0 on success.
1791 */
1792 static int
1793 qla2x00_init_rings(scsi_qla_host_t *vha)
1794 {
1795 int rval;
1796 unsigned long flags = 0;
1797 int cnt, que;
1798 struct qla_hw_data *ha = vha->hw;
1799 struct req_que *req;
1800 struct rsp_que *rsp;
1801 struct scsi_qla_host *vp;
1802 struct mid_init_cb_24xx *mid_init_cb =
1803 (struct mid_init_cb_24xx *) ha->init_cb;
1804
1805 spin_lock_irqsave(&ha->hardware_lock, flags);
1806
1807 /* Clear outstanding commands array. */
1808 for (que = 0; que < ha->max_req_queues; que++) {
1809 req = ha->req_q_map[que];
1810 if (!req)
1811 continue;
1812 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1813 req->outstanding_cmds[cnt] = NULL;
1814
1815 req->current_outstanding_cmd = 1;
1816
1817 /* Initialize firmware. */
1818 req->ring_ptr = req->ring;
1819 req->ring_index = 0;
1820 req->cnt = req->length;
1821 }
1822
1823 for (que = 0; que < ha->max_rsp_queues; que++) {
1824 rsp = ha->rsp_q_map[que];
1825 if (!rsp)
1826 continue;
1827 /* Initialize response queue entries */
1828 qla2x00_init_response_q_entries(rsp);
1829 }
1830
1831 spin_lock(&ha->vport_slock);
1832 /* Clear RSCN queue. */
1833 list_for_each_entry(vp, &ha->vp_list, list) {
1834 vp->rscn_in_ptr = 0;
1835 vp->rscn_out_ptr = 0;
1836 }
1837
1838 spin_unlock(&ha->vport_slock);
1839
1840 ha->isp_ops->config_rings(vha);
1841
1842 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1843
1844 /* Update any ISP specific firmware options before initialization. */
1845 ha->isp_ops->update_fw_options(vha);
1846
1847 ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
1848
1849 if (ha->flags.npiv_supported) {
1850 if (ha->operating_mode == LOOP)
1851 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1852 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1853 }
1854
1855 if (IS_FWI2_CAPABLE(ha)) {
1856 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1857 mid_init_cb->init_cb.execution_throttle =
1858 cpu_to_le16(ha->fw_xcb_count);
1859 }
1860
1861 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1862 if (rval) {
1863 ql_log(ql_log_fatal, vha, 0x00d2,
1864 "Init Firmware **** FAILED ****.\n");
1865 } else {
1866 ql_dbg(ql_dbg_init, vha, 0x00d3,
1867 "Init Firmware -- success.\n");
1868 }
1869
1870 return (rval);
1871 }
1872
1873 /**
1874 * qla2x00_fw_ready() - Waits for firmware ready.
1875 * @ha: HA context
1876 *
1877 * Returns 0 on success.
1878 */
1879 static int
1880 qla2x00_fw_ready(scsi_qla_host_t *vha)
1881 {
1882 int rval;
1883 unsigned long wtime, mtime, cs84xx_time;
1884 uint16_t min_wait; /* Minimum wait time if loop is down */
1885 uint16_t wait_time; /* Wait time if loop is coming ready */
1886 uint16_t state[5];
1887 struct qla_hw_data *ha = vha->hw;
1888
1889 rval = QLA_SUCCESS;
1890
1891 /* 20 seconds for loop down. */
1892 min_wait = 20;
1893
1894 /*
1895 * Firmware should take at most one RATOV to login, plus 5 seconds for
1896 * our own processing.
1897 */
1898 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1899 wait_time = min_wait;
1900 }
1901
1902 /* Min wait time if loop down */
1903 mtime = jiffies + (min_wait * HZ);
1904
1905 /* wait time before firmware ready */
1906 wtime = jiffies + (wait_time * HZ);
1907
1908 /* Wait for ISP to finish LIP */
1909 if (!vha->flags.init_done)
1910 ql_log(ql_log_info, vha, 0x801e,
1911 "Waiting for LIP to complete.\n");
1912
1913 do {
1914 rval = qla2x00_get_firmware_state(vha, state);
1915 if (rval == QLA_SUCCESS) {
1916 if (state[0] < FSTATE_LOSS_OF_SYNC) {
1917 vha->device_flags &= ~DFLG_NO_CABLE;
1918 }
1919 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1920 ql_dbg(ql_dbg_taskm, vha, 0x801f,
1921 "fw_state=%x 84xx=%x.\n", state[0],
1922 state[2]);
1923 if ((state[2] & FSTATE_LOGGED_IN) &&
1924 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1925 ql_dbg(ql_dbg_taskm, vha, 0x8028,
1926 "Sending verify iocb.\n");
1927
1928 cs84xx_time = jiffies;
1929 rval = qla84xx_init_chip(vha);
1930 if (rval != QLA_SUCCESS) {
1931 ql_log(ql_log_warn,
1932 vha, 0x8026,
1933 "Init chip failed.\n");
1934 break;
1935 }
1936
1937 /* Add time taken to initialize. */
1938 cs84xx_time = jiffies - cs84xx_time;
1939 wtime += cs84xx_time;
1940 mtime += cs84xx_time;
1941 ql_dbg(ql_dbg_taskm, vha, 0x8025,
1942 "Increasing wait time by %ld. "
1943 "New time %ld.\n", cs84xx_time,
1944 wtime);
1945 }
1946 } else if (state[0] == FSTATE_READY) {
1947 ql_dbg(ql_dbg_taskm, vha, 0x8037,
1948 "F/W Ready - OK.\n");
1949
1950 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1951 &ha->login_timeout, &ha->r_a_tov);
1952
1953 rval = QLA_SUCCESS;
1954 break;
1955 }
1956
1957 rval = QLA_FUNCTION_FAILED;
1958
1959 if (atomic_read(&vha->loop_down_timer) &&
1960 state[0] != FSTATE_READY) {
1961 /* Loop down. Timeout on min_wait for states
1962 * other than Wait for Login.
1963 */
1964 if (time_after_eq(jiffies, mtime)) {
1965 ql_log(ql_log_info, vha, 0x8038,
1966 "Cable is unplugged...\n");
1967
1968 vha->device_flags |= DFLG_NO_CABLE;
1969 break;
1970 }
1971 }
1972 } else {
1973 /* Mailbox cmd failed. Timeout on min_wait. */
1974 if (time_after_eq(jiffies, mtime) ||
1975 ha->flags.isp82xx_fw_hung)
1976 break;
1977 }
1978
1979 if (time_after_eq(jiffies, wtime))
1980 break;
1981
1982 /* Delay for a while */
1983 msleep(500);
1984
1985 ql_dbg(ql_dbg_taskm, vha, 0x8039,
1986 "fw_state=%x curr time=%lx.\n", state[0], jiffies);
1987 } while (1);
1988
1989 ql_dbg(ql_dbg_taskm, vha, 0x803a,
1990 "fw_state=%x (%x, %x, %x, %x) " "curr time=%lx.\n", state[0],
1991 state[1], state[2], state[3], state[4], jiffies);
1992
1993 if (rval) {
1994 ql_log(ql_log_warn, vha, 0x803b,
1995 "Firmware ready **** FAILED ****.\n");
1996 }
1997
1998 return (rval);
1999 }
2000
2001 /*
2002 * qla2x00_configure_hba
2003 * Setup adapter context.
2004 *
2005 * Input:
2006 * ha = adapter state pointer.
2007 *
2008 * Returns:
2009 * 0 = success
2010 *
2011 * Context:
2012 * Kernel context.
2013 */
2014 static int
2015 qla2x00_configure_hba(scsi_qla_host_t *vha)
2016 {
2017 int rval;
2018 uint16_t loop_id;
2019 uint16_t topo;
2020 uint16_t sw_cap;
2021 uint8_t al_pa;
2022 uint8_t area;
2023 uint8_t domain;
2024 char connect_type[22];
2025 struct qla_hw_data *ha = vha->hw;
2026
2027 /* Get host addresses. */
2028 rval = qla2x00_get_adapter_id(vha,
2029 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2030 if (rval != QLA_SUCCESS) {
2031 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2032 IS_QLA8XXX_TYPE(ha) ||
2033 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2034 ql_dbg(ql_dbg_disc, vha, 0x2008,
2035 "Loop is in a transition state.\n");
2036 } else {
2037 ql_log(ql_log_warn, vha, 0x2009,
2038 "Unable to get host loop ID.\n");
2039 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2040 }
2041 return (rval);
2042 }
2043
2044 if (topo == 4) {
2045 ql_log(ql_log_info, vha, 0x200a,
2046 "Cannot get topology - retrying.\n");
2047 return (QLA_FUNCTION_FAILED);
2048 }
2049
2050 vha->loop_id = loop_id;
2051
2052 /* initialize */
2053 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2054 ha->operating_mode = LOOP;
2055 ha->switch_cap = 0;
2056
2057 switch (topo) {
2058 case 0:
2059 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2060 ha->current_topology = ISP_CFG_NL;
2061 strcpy(connect_type, "(Loop)");
2062 break;
2063
2064 case 1:
2065 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2066 ha->switch_cap = sw_cap;
2067 ha->current_topology = ISP_CFG_FL;
2068 strcpy(connect_type, "(FL_Port)");
2069 break;
2070
2071 case 2:
2072 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2073 ha->operating_mode = P2P;
2074 ha->current_topology = ISP_CFG_N;
2075 strcpy(connect_type, "(N_Port-to-N_Port)");
2076 break;
2077
2078 case 3:
2079 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2080 ha->switch_cap = sw_cap;
2081 ha->operating_mode = P2P;
2082 ha->current_topology = ISP_CFG_F;
2083 strcpy(connect_type, "(F_Port)");
2084 break;
2085
2086 default:
2087 ql_dbg(ql_dbg_disc, vha, 0x200f,
2088 "HBA in unknown topology %x, using NL.\n", topo);
2089 ha->current_topology = ISP_CFG_NL;
2090 strcpy(connect_type, "(Loop)");
2091 break;
2092 }
2093
2094 /* Save Host port and loop ID. */
2095 /* byte order - Big Endian */
2096 vha->d_id.b.domain = domain;
2097 vha->d_id.b.area = area;
2098 vha->d_id.b.al_pa = al_pa;
2099
2100 if (!vha->flags.init_done)
2101 ql_log(ql_log_info, vha, 0x2010,
2102 "Topology - %s, Host Loop address 0x%x.\n",
2103 connect_type, vha->loop_id);
2104
2105 if (rval) {
2106 ql_log(ql_log_warn, vha, 0x2011,
2107 "%s FAILED\n", __func__);
2108 } else {
2109 ql_dbg(ql_dbg_disc, vha, 0x2012,
2110 "%s success\n", __func__);
2111 }
2112
2113 return(rval);
2114 }
2115
2116 inline void
2117 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2118 char *def)
2119 {
2120 char *st, *en;
2121 uint16_t index;
2122 struct qla_hw_data *ha = vha->hw;
2123 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2124 !IS_QLA8XXX_TYPE(ha);
2125
2126 if (memcmp(model, BINZERO, len) != 0) {
2127 strncpy(ha->model_number, model, len);
2128 st = en = ha->model_number;
2129 en += len - 1;
2130 while (en > st) {
2131 if (*en != 0x20 && *en != 0x00)
2132 break;
2133 *en-- = '\0';
2134 }
2135
2136 index = (ha->pdev->subsystem_device & 0xff);
2137 if (use_tbl &&
2138 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2139 index < QLA_MODEL_NAMES)
2140 strncpy(ha->model_desc,
2141 qla2x00_model_name[index * 2 + 1],
2142 sizeof(ha->model_desc) - 1);
2143 } else {
2144 index = (ha->pdev->subsystem_device & 0xff);
2145 if (use_tbl &&
2146 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2147 index < QLA_MODEL_NAMES) {
2148 strcpy(ha->model_number,
2149 qla2x00_model_name[index * 2]);
2150 strncpy(ha->model_desc,
2151 qla2x00_model_name[index * 2 + 1],
2152 sizeof(ha->model_desc) - 1);
2153 } else {
2154 strcpy(ha->model_number, def);
2155 }
2156 }
2157 if (IS_FWI2_CAPABLE(ha))
2158 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2159 sizeof(ha->model_desc));
2160 }
2161
2162 /* On sparc systems, obtain port and node WWN from firmware
2163 * properties.
2164 */
2165 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2166 {
2167 #ifdef CONFIG_SPARC
2168 struct qla_hw_data *ha = vha->hw;
2169 struct pci_dev *pdev = ha->pdev;
2170 struct device_node *dp = pci_device_to_OF_node(pdev);
2171 const u8 *val;
2172 int len;
2173
2174 val = of_get_property(dp, "port-wwn", &len);
2175 if (val && len >= WWN_SIZE)
2176 memcpy(nv->port_name, val, WWN_SIZE);
2177
2178 val = of_get_property(dp, "node-wwn", &len);
2179 if (val && len >= WWN_SIZE)
2180 memcpy(nv->node_name, val, WWN_SIZE);
2181 #endif
2182 }
2183
2184 /*
2185 * NVRAM configuration for ISP 2xxx
2186 *
2187 * Input:
2188 * ha = adapter block pointer.
2189 *
2190 * Output:
2191 * initialization control block in response_ring
2192 * host adapters parameters in host adapter block
2193 *
2194 * Returns:
2195 * 0 = success.
2196 */
2197 int
2198 qla2x00_nvram_config(scsi_qla_host_t *vha)
2199 {
2200 int rval;
2201 uint8_t chksum = 0;
2202 uint16_t cnt;
2203 uint8_t *dptr1, *dptr2;
2204 struct qla_hw_data *ha = vha->hw;
2205 init_cb_t *icb = ha->init_cb;
2206 nvram_t *nv = ha->nvram;
2207 uint8_t *ptr = ha->nvram;
2208 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2209
2210 rval = QLA_SUCCESS;
2211
2212 /* Determine NVRAM starting address. */
2213 ha->nvram_size = sizeof(nvram_t);
2214 ha->nvram_base = 0;
2215 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2216 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2217 ha->nvram_base = 0x80;
2218
2219 /* Get NVRAM data and calculate checksum. */
2220 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2221 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2222 chksum += *ptr++;
2223
2224 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2225 "Contents of NVRAM.\n");
2226 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2227 (uint8_t *)nv, ha->nvram_size);
2228
2229 /* Bad NVRAM data, set defaults parameters. */
2230 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2231 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2232 /* Reset NVRAM data. */
2233 ql_log(ql_log_warn, vha, 0x0064,
2234 "Inconisistent NVRAM "
2235 "detected: checksum=0x%x id=%c version=0x%x.\n",
2236 chksum, nv->id[0], nv->nvram_version);
2237 ql_log(ql_log_warn, vha, 0x0065,
2238 "Falling back to "
2239 "functioning (yet invalid -- WWPN) defaults.\n");
2240
2241 /*
2242 * Set default initialization control block.
2243 */
2244 memset(nv, 0, ha->nvram_size);
2245 nv->parameter_block_version = ICB_VERSION;
2246
2247 if (IS_QLA23XX(ha)) {
2248 nv->firmware_options[0] = BIT_2 | BIT_1;
2249 nv->firmware_options[1] = BIT_7 | BIT_5;
2250 nv->add_firmware_options[0] = BIT_5;
2251 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2252 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2253 nv->special_options[1] = BIT_7;
2254 } else if (IS_QLA2200(ha)) {
2255 nv->firmware_options[0] = BIT_2 | BIT_1;
2256 nv->firmware_options[1] = BIT_7 | BIT_5;
2257 nv->add_firmware_options[0] = BIT_5;
2258 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2259 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2260 } else if (IS_QLA2100(ha)) {
2261 nv->firmware_options[0] = BIT_3 | BIT_1;
2262 nv->firmware_options[1] = BIT_5;
2263 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2264 }
2265
2266 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2267 nv->execution_throttle = __constant_cpu_to_le16(16);
2268 nv->retry_count = 8;
2269 nv->retry_delay = 1;
2270
2271 nv->port_name[0] = 33;
2272 nv->port_name[3] = 224;
2273 nv->port_name[4] = 139;
2274
2275 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2276
2277 nv->login_timeout = 4;
2278
2279 /*
2280 * Set default host adapter parameters
2281 */
2282 nv->host_p[1] = BIT_2;
2283 nv->reset_delay = 5;
2284 nv->port_down_retry_count = 8;
2285 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2286 nv->link_down_timeout = 60;
2287
2288 rval = 1;
2289 }
2290
2291 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2292 /*
2293 * The SN2 does not provide BIOS emulation which means you can't change
2294 * potentially bogus BIOS settings. Force the use of default settings
2295 * for link rate and frame size. Hope that the rest of the settings
2296 * are valid.
2297 */
2298 if (ia64_platform_is("sn2")) {
2299 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2300 if (IS_QLA23XX(ha))
2301 nv->special_options[1] = BIT_7;
2302 }
2303 #endif
2304
2305 /* Reset Initialization control block */
2306 memset(icb, 0, ha->init_cb_size);
2307
2308 /*
2309 * Setup driver NVRAM options.
2310 */
2311 nv->firmware_options[0] |= (BIT_6 | BIT_1);
2312 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2313 nv->firmware_options[1] |= (BIT_5 | BIT_0);
2314 nv->firmware_options[1] &= ~BIT_4;
2315
2316 if (IS_QLA23XX(ha)) {
2317 nv->firmware_options[0] |= BIT_2;
2318 nv->firmware_options[0] &= ~BIT_3;
2319 nv->firmware_options[0] &= ~BIT_6;
2320 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2321
2322 if (IS_QLA2300(ha)) {
2323 if (ha->fb_rev == FPM_2310) {
2324 strcpy(ha->model_number, "QLA2310");
2325 } else {
2326 strcpy(ha->model_number, "QLA2300");
2327 }
2328 } else {
2329 qla2x00_set_model_info(vha, nv->model_number,
2330 sizeof(nv->model_number), "QLA23xx");
2331 }
2332 } else if (IS_QLA2200(ha)) {
2333 nv->firmware_options[0] |= BIT_2;
2334 /*
2335 * 'Point-to-point preferred, else loop' is not a safe
2336 * connection mode setting.
2337 */
2338 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2339 (BIT_5 | BIT_4)) {
2340 /* Force 'loop preferred, else point-to-point'. */
2341 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2342 nv->add_firmware_options[0] |= BIT_5;
2343 }
2344 strcpy(ha->model_number, "QLA22xx");
2345 } else /*if (IS_QLA2100(ha))*/ {
2346 strcpy(ha->model_number, "QLA2100");
2347 }
2348
2349 /*
2350 * Copy over NVRAM RISC parameter block to initialization control block.
2351 */
2352 dptr1 = (uint8_t *)icb;
2353 dptr2 = (uint8_t *)&nv->parameter_block_version;
2354 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2355 while (cnt--)
2356 *dptr1++ = *dptr2++;
2357
2358 /* Copy 2nd half. */
2359 dptr1 = (uint8_t *)icb->add_firmware_options;
2360 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2361 while (cnt--)
2362 *dptr1++ = *dptr2++;
2363
2364 /* Use alternate WWN? */
2365 if (nv->host_p[1] & BIT_7) {
2366 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2367 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2368 }
2369
2370 /* Prepare nodename */
2371 if ((icb->firmware_options[1] & BIT_6) == 0) {
2372 /*
2373 * Firmware will apply the following mask if the nodename was
2374 * not provided.
2375 */
2376 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2377 icb->node_name[0] &= 0xF0;
2378 }
2379
2380 /*
2381 * Set host adapter parameters.
2382 */
2383
2384 /*
2385 * BIT_7 in the host-parameters section allows for modification to
2386 * internal driver logging.
2387 */
2388 if (nv->host_p[0] & BIT_7)
2389 ql2xextended_error_logging = 0x7fffffff;
2390 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2391 /* Always load RISC code on non ISP2[12]00 chips. */
2392 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2393 ha->flags.disable_risc_code_load = 0;
2394 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2395 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2396 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2397 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2398 ha->flags.disable_serdes = 0;
2399
2400 ha->operating_mode =
2401 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2402
2403 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2404 sizeof(ha->fw_seriallink_options));
2405
2406 /* save HBA serial number */
2407 ha->serial0 = icb->port_name[5];
2408 ha->serial1 = icb->port_name[6];
2409 ha->serial2 = icb->port_name[7];
2410 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2411 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2412
2413 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2414
2415 ha->retry_count = nv->retry_count;
2416
2417 /* Set minimum login_timeout to 4 seconds. */
2418 if (nv->login_timeout != ql2xlogintimeout)
2419 nv->login_timeout = ql2xlogintimeout;
2420 if (nv->login_timeout < 4)
2421 nv->login_timeout = 4;
2422 ha->login_timeout = nv->login_timeout;
2423 icb->login_timeout = nv->login_timeout;
2424
2425 /* Set minimum RATOV to 100 tenths of a second. */
2426 ha->r_a_tov = 100;
2427
2428 ha->loop_reset_delay = nv->reset_delay;
2429
2430 /* Link Down Timeout = 0:
2431 *
2432 * When Port Down timer expires we will start returning
2433 * I/O's to OS with "DID_NO_CONNECT".
2434 *
2435 * Link Down Timeout != 0:
2436 *
2437 * The driver waits for the link to come up after link down
2438 * before returning I/Os to OS with "DID_NO_CONNECT".
2439 */
2440 if (nv->link_down_timeout == 0) {
2441 ha->loop_down_abort_time =
2442 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2443 } else {
2444 ha->link_down_timeout = nv->link_down_timeout;
2445 ha->loop_down_abort_time =
2446 (LOOP_DOWN_TIME - ha->link_down_timeout);
2447 }
2448
2449 /*
2450 * Need enough time to try and get the port back.
2451 */
2452 ha->port_down_retry_count = nv->port_down_retry_count;
2453 if (qlport_down_retry)
2454 ha->port_down_retry_count = qlport_down_retry;
2455 /* Set login_retry_count */
2456 ha->login_retry_count = nv->retry_count;
2457 if (ha->port_down_retry_count == nv->port_down_retry_count &&
2458 ha->port_down_retry_count > 3)
2459 ha->login_retry_count = ha->port_down_retry_count;
2460 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2461 ha->login_retry_count = ha->port_down_retry_count;
2462 if (ql2xloginretrycount)
2463 ha->login_retry_count = ql2xloginretrycount;
2464
2465 icb->lun_enables = __constant_cpu_to_le16(0);
2466 icb->command_resource_count = 0;
2467 icb->immediate_notify_resource_count = 0;
2468 icb->timeout = __constant_cpu_to_le16(0);
2469
2470 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2471 /* Enable RIO */
2472 icb->firmware_options[0] &= ~BIT_3;
2473 icb->add_firmware_options[0] &=
2474 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2475 icb->add_firmware_options[0] |= BIT_2;
2476 icb->response_accumulation_timer = 3;
2477 icb->interrupt_delay_timer = 5;
2478
2479 vha->flags.process_response_queue = 1;
2480 } else {
2481 /* Enable ZIO. */
2482 if (!vha->flags.init_done) {
2483 ha->zio_mode = icb->add_firmware_options[0] &
2484 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2485 ha->zio_timer = icb->interrupt_delay_timer ?
2486 icb->interrupt_delay_timer: 2;
2487 }
2488 icb->add_firmware_options[0] &=
2489 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2490 vha->flags.process_response_queue = 0;
2491 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2492 ha->zio_mode = QLA_ZIO_MODE_6;
2493
2494 ql_log(ql_log_info, vha, 0x0068,
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 ql_log(ql_log_warn, vha, 0x0069,
2506 "NVRAM configuration failed.\n");
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 ql_dbg(ql_dbg_disc, vha, 0x2013,
2578 "Unable to configure HBA.\n");
2579 return (rval);
2580 }
2581 }
2582
2583 save_flags = flags = vha->dpc_flags;
2584 ql_dbg(ql_dbg_disc, vha, 0x2014,
2585 "Configure loop -- dpc flags = 0x%lx.\n", 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 ql_dbg(ql_dbg_disc, vha, 0x2015,
2624 "Loop resync needed, failing.\n");
2625 rval = QLA_FUNCTION_FAILED;
2626 }
2627 else
2628 rval = qla2x00_configure_local_loop(vha);
2629 }
2630
2631 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2632 if (LOOP_TRANSITION(vha)) {
2633 ql_dbg(ql_dbg_disc, vha, 0x201e,
2634 "Needs RSCN update and loop transition.\n");
2635 rval = QLA_FUNCTION_FAILED;
2636 }
2637 else
2638 rval = qla2x00_configure_fabric(vha);
2639 }
2640
2641 if (rval == QLA_SUCCESS) {
2642 if (atomic_read(&vha->loop_down_timer) ||
2643 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2644 rval = QLA_FUNCTION_FAILED;
2645 } else {
2646 atomic_set(&vha->loop_state, LOOP_READY);
2647 ql_dbg(ql_dbg_disc, vha, 0x2069,
2648 "LOOP READY.\n");
2649 }
2650 }
2651
2652 if (rval) {
2653 ql_dbg(ql_dbg_disc, vha, 0x206a,
2654 "%s *** FAILED ***.\n", __func__);
2655 } else {
2656 ql_dbg(ql_dbg_disc, vha, 0x206b,
2657 "%s: exiting normally.\n", __func__);
2658 }
2659
2660 /* Restore state if a resync event occurred during processing */
2661 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2662 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2663 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2664 if (test_bit(RSCN_UPDATE, &save_flags)) {
2665 set_bit(RSCN_UPDATE, &vha->dpc_flags);
2666 if (!IS_ALOGIO_CAPABLE(ha))
2667 vha->flags.rscn_queue_overflow = 1;
2668 }
2669 }
2670
2671 return (rval);
2672 }
2673
2674
2675
2676 /*
2677 * qla2x00_configure_local_loop
2678 * Updates Fibre Channel Device Database with local loop devices.
2679 *
2680 * Input:
2681 * ha = adapter block pointer.
2682 *
2683 * Returns:
2684 * 0 = success.
2685 */
2686 static int
2687 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2688 {
2689 int rval, rval2;
2690 int found_devs;
2691 int found;
2692 fc_port_t *fcport, *new_fcport;
2693
2694 uint16_t index;
2695 uint16_t entries;
2696 char *id_iter;
2697 uint16_t loop_id;
2698 uint8_t domain, area, al_pa;
2699 struct qla_hw_data *ha = vha->hw;
2700
2701 found_devs = 0;
2702 new_fcport = NULL;
2703 entries = MAX_FIBRE_DEVICES;
2704
2705 ql_dbg(ql_dbg_disc, vha, 0x2016,
2706 "Getting FCAL position map.\n");
2707 if (ql2xextended_error_logging & ql_dbg_disc)
2708 qla2x00_get_fcal_position_map(vha, NULL);
2709
2710 /* Get list of logged in devices. */
2711 memset(ha->gid_list, 0, GID_LIST_SIZE);
2712 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2713 &entries);
2714 if (rval != QLA_SUCCESS)
2715 goto cleanup_allocation;
2716
2717 ql_dbg(ql_dbg_disc, vha, 0x2017,
2718 "Entries in ID list (%d).\n", entries);
2719 ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
2720 (uint8_t *)ha->gid_list,
2721 entries * sizeof(struct gid_list_info));
2722
2723 /* Allocate temporary fcport for any new fcports discovered. */
2724 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2725 if (new_fcport == NULL) {
2726 ql_log(ql_log_warn, vha, 0x2018,
2727 "Memory allocation failed for fcport.\n");
2728 rval = QLA_MEMORY_ALLOC_FAILED;
2729 goto cleanup_allocation;
2730 }
2731 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2732
2733 /*
2734 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2735 */
2736 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2737 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2738 fcport->port_type != FCT_BROADCAST &&
2739 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2740
2741 ql_dbg(ql_dbg_disc, vha, 0x2019,
2742 "Marking port lost loop_id=0x%04x.\n",
2743 fcport->loop_id);
2744
2745 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2746 }
2747 }
2748
2749 /* Add devices to port list. */
2750 id_iter = (char *)ha->gid_list;
2751 for (index = 0; index < entries; index++) {
2752 domain = ((struct gid_list_info *)id_iter)->domain;
2753 area = ((struct gid_list_info *)id_iter)->area;
2754 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2755 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2756 loop_id = (uint16_t)
2757 ((struct gid_list_info *)id_iter)->loop_id_2100;
2758 else
2759 loop_id = le16_to_cpu(
2760 ((struct gid_list_info *)id_iter)->loop_id);
2761 id_iter += ha->gid_list_info_size;
2762
2763 /* Bypass reserved domain fields. */
2764 if ((domain & 0xf0) == 0xf0)
2765 continue;
2766
2767 /* Bypass if not same domain and area of adapter. */
2768 if (area && domain &&
2769 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2770 continue;
2771
2772 /* Bypass invalid local loop ID. */
2773 if (loop_id > LAST_LOCAL_LOOP_ID)
2774 continue;
2775
2776 /* Fill in member data. */
2777 new_fcport->d_id.b.domain = domain;
2778 new_fcport->d_id.b.area = area;
2779 new_fcport->d_id.b.al_pa = al_pa;
2780 new_fcport->loop_id = loop_id;
2781 new_fcport->vp_idx = vha->vp_idx;
2782 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2783 if (rval2 != QLA_SUCCESS) {
2784 ql_dbg(ql_dbg_disc, vha, 0x201a,
2785 "Failed to retrieve fcport information "
2786 "-- get_port_database=%x, loop_id=0x%04x.\n",
2787 rval2, new_fcport->loop_id);
2788 ql_dbg(ql_dbg_disc, vha, 0x201b,
2789 "Scheduling resync.\n");
2790 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2791 continue;
2792 }
2793
2794 /* Check for matching device in port list. */
2795 found = 0;
2796 fcport = NULL;
2797 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2798 if (memcmp(new_fcport->port_name, fcport->port_name,
2799 WWN_SIZE))
2800 continue;
2801
2802 fcport->flags &= ~FCF_FABRIC_DEVICE;
2803 fcport->loop_id = new_fcport->loop_id;
2804 fcport->port_type = new_fcport->port_type;
2805 fcport->d_id.b24 = new_fcport->d_id.b24;
2806 memcpy(fcport->node_name, new_fcport->node_name,
2807 WWN_SIZE);
2808
2809 found++;
2810 break;
2811 }
2812
2813 if (!found) {
2814 /* New device, add to fcports list. */
2815 if (vha->vp_idx) {
2816 new_fcport->vha = vha;
2817 new_fcport->vp_idx = vha->vp_idx;
2818 }
2819 list_add_tail(&new_fcport->list, &vha->vp_fcports);
2820
2821 /* Allocate a new replacement fcport. */
2822 fcport = new_fcport;
2823 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2824 if (new_fcport == NULL) {
2825 ql_log(ql_log_warn, vha, 0x201c,
2826 "Failed to allocate memory for fcport.\n");
2827 rval = QLA_MEMORY_ALLOC_FAILED;
2828 goto cleanup_allocation;
2829 }
2830 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2831 }
2832
2833 /* Base iIDMA settings on HBA port speed. */
2834 fcport->fp_speed = ha->link_data_rate;
2835
2836 qla2x00_update_fcport(vha, fcport);
2837
2838 found_devs++;
2839 }
2840
2841 cleanup_allocation:
2842 kfree(new_fcport);
2843
2844 if (rval != QLA_SUCCESS) {
2845 ql_dbg(ql_dbg_disc, vha, 0x201d,
2846 "Configure local loop error exit: rval=%x.\n", rval);
2847 }
2848
2849 return (rval);
2850 }
2851
2852 static void
2853 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2854 {
2855 #define LS_UNKNOWN 2
2856 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2857 char *link_speed;
2858 int rval;
2859 uint16_t mb[4];
2860 struct qla_hw_data *ha = vha->hw;
2861
2862 if (!IS_IIDMA_CAPABLE(ha))
2863 return;
2864
2865 if (atomic_read(&fcport->state) != FCS_ONLINE)
2866 return;
2867
2868 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2869 fcport->fp_speed > ha->link_data_rate)
2870 return;
2871
2872 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2873 mb);
2874 if (rval != QLA_SUCCESS) {
2875 ql_dbg(ql_dbg_disc, vha, 0x2004,
2876 "Unable to adjust iIDMA "
2877 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x "
2878 "%04x.\n", fcport->port_name[0], fcport->port_name[1],
2879 fcport->port_name[2], fcport->port_name[3],
2880 fcport->port_name[4], fcport->port_name[5],
2881 fcport->port_name[6], fcport->port_name[7], rval,
2882 fcport->fp_speed, mb[0], mb[1]);
2883 } else {
2884 link_speed = link_speeds[LS_UNKNOWN];
2885 if (fcport->fp_speed < 5)
2886 link_speed = link_speeds[fcport->fp_speed];
2887 else if (fcport->fp_speed == 0x13)
2888 link_speed = link_speeds[5];
2889 ql_dbg(ql_dbg_disc, vha, 0x2005,
2890 "iIDMA adjusted to %s GB/s "
2891 "on %02x%02x%02x%02x%02x%02x%02x%02x.\n", link_speed,
2892 fcport->port_name[0], fcport->port_name[1],
2893 fcport->port_name[2], fcport->port_name[3],
2894 fcport->port_name[4], fcport->port_name[5],
2895 fcport->port_name[6], fcport->port_name[7]);
2896 }
2897 }
2898
2899 static void
2900 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2901 {
2902 struct fc_rport_identifiers rport_ids;
2903 struct fc_rport *rport;
2904 unsigned long flags;
2905
2906 qla2x00_rport_del(fcport);
2907
2908 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2909 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2910 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2911 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2912 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2913 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2914 if (!rport) {
2915 ql_log(ql_log_warn, vha, 0x2006,
2916 "Unable to allocate fc remote port.\n");
2917 return;
2918 }
2919 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2920 *((fc_port_t **)rport->dd_data) = fcport;
2921 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2922
2923 rport->supported_classes = fcport->supported_classes;
2924
2925 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2926 if (fcport->port_type == FCT_INITIATOR)
2927 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2928 if (fcport->port_type == FCT_TARGET)
2929 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2930 fc_remote_port_rolechg(rport, rport_ids.roles);
2931 }
2932
2933 /*
2934 * qla2x00_update_fcport
2935 * Updates device on list.
2936 *
2937 * Input:
2938 * ha = adapter block pointer.
2939 * fcport = port structure pointer.
2940 *
2941 * Return:
2942 * 0 - Success
2943 * BIT_0 - error
2944 *
2945 * Context:
2946 * Kernel context.
2947 */
2948 void
2949 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2950 {
2951 fcport->vha = vha;
2952 fcport->login_retry = 0;
2953 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2954
2955 qla2x00_iidma_fcport(vha, fcport);
2956 qla24xx_update_fcport_fcp_prio(vha, fcport);
2957 qla2x00_reg_remote_port(vha, fcport);
2958 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
2959 }
2960
2961 /*
2962 * qla2x00_configure_fabric
2963 * Setup SNS devices with loop ID's.
2964 *
2965 * Input:
2966 * ha = adapter block pointer.
2967 *
2968 * Returns:
2969 * 0 = success.
2970 * BIT_0 = error
2971 */
2972 static int
2973 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2974 {
2975 int rval, rval2;
2976 fc_port_t *fcport, *fcptemp;
2977 uint16_t next_loopid;
2978 uint16_t mb[MAILBOX_REGISTER_COUNT];
2979 uint16_t loop_id;
2980 LIST_HEAD(new_fcports);
2981 struct qla_hw_data *ha = vha->hw;
2982 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2983
2984 /* If FL port exists, then SNS is present */
2985 if (IS_FWI2_CAPABLE(ha))
2986 loop_id = NPH_F_PORT;
2987 else
2988 loop_id = SNS_FL_PORT;
2989 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2990 if (rval != QLA_SUCCESS) {
2991 ql_dbg(ql_dbg_disc, vha, 0x201f,
2992 "MBX_GET_PORT_NAME failed, No FL Port.\n");
2993
2994 vha->device_flags &= ~SWITCH_FOUND;
2995 return (QLA_SUCCESS);
2996 }
2997 vha->device_flags |= SWITCH_FOUND;
2998
2999 /* Mark devices that need re-synchronization. */
3000 rval2 = qla2x00_device_resync(vha);
3001 if (rval2 == QLA_RSCNS_HANDLED) {
3002 /* No point doing the scan, just continue. */
3003 return (QLA_SUCCESS);
3004 }
3005 do {
3006 /* FDMI support. */
3007 if (ql2xfdmienable &&
3008 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3009 qla2x00_fdmi_register(vha);
3010
3011 /* Ensure we are logged into the SNS. */
3012 if (IS_FWI2_CAPABLE(ha))
3013 loop_id = NPH_SNS;
3014 else
3015 loop_id = SIMPLE_NAME_SERVER;
3016 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3017 0xfc, mb, BIT_1 | BIT_0);
3018 if (mb[0] != MBS_COMMAND_COMPLETE) {
3019 ql_dbg(ql_dbg_disc, vha, 0x2042,
3020 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3021 "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3022 mb[2], mb[6], mb[7]);
3023 return (QLA_SUCCESS);
3024 }
3025
3026 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3027 if (qla2x00_rft_id(vha)) {
3028 /* EMPTY */
3029 ql_dbg(ql_dbg_disc, vha, 0x2045,
3030 "Register FC-4 TYPE failed.\n");
3031 }
3032 if (qla2x00_rff_id(vha)) {
3033 /* EMPTY */
3034 ql_dbg(ql_dbg_disc, vha, 0x2049,
3035 "Register FC-4 Features failed.\n");
3036 }
3037 if (qla2x00_rnn_id(vha)) {
3038 /* EMPTY */
3039 ql_dbg(ql_dbg_disc, vha, 0x204f,
3040 "Register Node Name failed.\n");
3041 } else if (qla2x00_rsnn_nn(vha)) {
3042 /* EMPTY */
3043 ql_dbg(ql_dbg_disc, vha, 0x2053,
3044 "Register Symobilic Node Name failed.\n");
3045 }
3046 }
3047
3048 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3049 if (rval != QLA_SUCCESS)
3050 break;
3051
3052 /*
3053 * Logout all previous fabric devices marked lost, except
3054 * FCP2 devices.
3055 */
3056 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3057 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3058 break;
3059
3060 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3061 continue;
3062
3063 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3064 qla2x00_mark_device_lost(vha, fcport,
3065 ql2xplogiabsentdevice, 0);
3066 if (fcport->loop_id != FC_NO_LOOP_ID &&
3067 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3068 fcport->port_type != FCT_INITIATOR &&
3069 fcport->port_type != FCT_BROADCAST) {
3070 ha->isp_ops->fabric_logout(vha,
3071 fcport->loop_id,
3072 fcport->d_id.b.domain,
3073 fcport->d_id.b.area,
3074 fcport->d_id.b.al_pa);
3075 fcport->loop_id = FC_NO_LOOP_ID;
3076 }
3077 }
3078 }
3079
3080 /* Starting free loop ID. */
3081 next_loopid = ha->min_external_loopid;
3082
3083 /*
3084 * Scan through our port list and login entries that need to be
3085 * logged in.
3086 */
3087 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3088 if (atomic_read(&vha->loop_down_timer) ||
3089 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3090 break;
3091
3092 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3093 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3094 continue;
3095
3096 if (fcport->loop_id == FC_NO_LOOP_ID) {
3097 fcport->loop_id = next_loopid;
3098 rval = qla2x00_find_new_loop_id(
3099 base_vha, fcport);
3100 if (rval != QLA_SUCCESS) {
3101 /* Ran out of IDs to use */
3102 break;
3103 }
3104 }
3105 /* Login and update database */
3106 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3107 }
3108
3109 /* Exit if out of loop IDs. */
3110 if (rval != QLA_SUCCESS) {
3111 break;
3112 }
3113
3114 /*
3115 * Login and add the new devices to our port list.
3116 */
3117 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3118 if (atomic_read(&vha->loop_down_timer) ||
3119 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3120 break;
3121
3122 /* Find a new loop ID to use. */
3123 fcport->loop_id = next_loopid;
3124 rval = qla2x00_find_new_loop_id(base_vha, fcport);
3125 if (rval != QLA_SUCCESS) {
3126 /* Ran out of IDs to use */
3127 break;
3128 }
3129
3130 /* Login and update database */
3131 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3132
3133 if (vha->vp_idx) {
3134 fcport->vha = vha;
3135 fcport->vp_idx = vha->vp_idx;
3136 }
3137 list_move_tail(&fcport->list, &vha->vp_fcports);
3138 }
3139 } while (0);
3140
3141 /* Free all new device structures not processed. */
3142 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3143 list_del(&fcport->list);
3144 kfree(fcport);
3145 }
3146
3147 if (rval) {
3148 ql_dbg(ql_dbg_disc, vha, 0x2068,
3149 "Configure fabric error exit rval=%d.\n", rval);
3150 }
3151
3152 return (rval);
3153 }
3154
3155 /*
3156 * qla2x00_find_all_fabric_devs
3157 *
3158 * Input:
3159 * ha = adapter block pointer.
3160 * dev = database device entry pointer.
3161 *
3162 * Returns:
3163 * 0 = success.
3164 *
3165 * Context:
3166 * Kernel context.
3167 */
3168 static int
3169 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3170 struct list_head *new_fcports)
3171 {
3172 int rval;
3173 uint16_t loop_id;
3174 fc_port_t *fcport, *new_fcport, *fcptemp;
3175 int found;
3176
3177 sw_info_t *swl;
3178 int swl_idx;
3179 int first_dev, last_dev;
3180 port_id_t wrap = {}, nxt_d_id;
3181 struct qla_hw_data *ha = vha->hw;
3182 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3183 struct scsi_qla_host *tvp;
3184
3185 rval = QLA_SUCCESS;
3186
3187 /* Try GID_PT to get device list, else GAN. */
3188 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
3189 if (!swl) {
3190 /*EMPTY*/
3191 ql_dbg(ql_dbg_disc, vha, 0x2054,
3192 "GID_PT allocations failed, fallback on GA_NXT.\n");
3193 } else {
3194 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3195 kfree(swl);
3196 swl = NULL;
3197 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3198 kfree(swl);
3199 swl = NULL;
3200 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3201 kfree(swl);
3202 swl = NULL;
3203 } else if (ql2xiidmaenable &&
3204 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3205 qla2x00_gpsc(vha, swl);
3206 }
3207
3208 /* If other queries succeeded probe for FC-4 type */
3209 if (swl)
3210 qla2x00_gff_id(vha, swl);
3211 }
3212 swl_idx = 0;
3213
3214 /* Allocate temporary fcport for any new fcports discovered. */
3215 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3216 if (new_fcport == NULL) {
3217 ql_log(ql_log_warn, vha, 0x205e,
3218 "Failed to allocate memory for fcport.\n");
3219 kfree(swl);
3220 return (QLA_MEMORY_ALLOC_FAILED);
3221 }
3222 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3223 /* Set start port ID scan at adapter ID. */
3224 first_dev = 1;
3225 last_dev = 0;
3226
3227 /* Starting free loop ID. */
3228 loop_id = ha->min_external_loopid;
3229 for (; loop_id <= ha->max_loop_id; loop_id++) {
3230 if (qla2x00_is_reserved_id(vha, loop_id))
3231 continue;
3232
3233 if (ha->current_topology == ISP_CFG_FL &&
3234 (atomic_read(&vha->loop_down_timer) ||
3235 LOOP_TRANSITION(vha))) {
3236 atomic_set(&vha->loop_down_timer, 0);
3237 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3238 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3239 break;
3240 }
3241
3242 if (swl != NULL) {
3243 if (last_dev) {
3244 wrap.b24 = new_fcport->d_id.b24;
3245 } else {
3246 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3247 memcpy(new_fcport->node_name,
3248 swl[swl_idx].node_name, WWN_SIZE);
3249 memcpy(new_fcport->port_name,
3250 swl[swl_idx].port_name, WWN_SIZE);
3251 memcpy(new_fcport->fabric_port_name,
3252 swl[swl_idx].fabric_port_name, WWN_SIZE);
3253 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3254 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3255
3256 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3257 last_dev = 1;
3258 }
3259 swl_idx++;
3260 }
3261 } else {
3262 /* Send GA_NXT to the switch */
3263 rval = qla2x00_ga_nxt(vha, new_fcport);
3264 if (rval != QLA_SUCCESS) {
3265 ql_log(ql_log_warn, vha, 0x2064,
3266 "SNS scan failed -- assuming "
3267 "zero-entry result.\n");
3268 list_for_each_entry_safe(fcport, fcptemp,
3269 new_fcports, list) {
3270 list_del(&fcport->list);
3271 kfree(fcport);
3272 }
3273 rval = QLA_SUCCESS;
3274 break;
3275 }
3276 }
3277
3278 /* If wrap on switch device list, exit. */
3279 if (first_dev) {
3280 wrap.b24 = new_fcport->d_id.b24;
3281 first_dev = 0;
3282 } else if (new_fcport->d_id.b24 == wrap.b24) {
3283 ql_dbg(ql_dbg_disc, vha, 0x2065,
3284 "Device wrap (%02x%02x%02x).\n",
3285 new_fcport->d_id.b.domain,
3286 new_fcport->d_id.b.area,
3287 new_fcport->d_id.b.al_pa);
3288 break;
3289 }
3290
3291 /* Bypass if same physical adapter. */
3292 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3293 continue;
3294
3295 /* Bypass virtual ports of the same host. */
3296 found = 0;
3297 if (ha->num_vhosts) {
3298 unsigned long flags;
3299
3300 spin_lock_irqsave(&ha->vport_slock, flags);
3301 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3302 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3303 found = 1;
3304 break;
3305 }
3306 }
3307 spin_unlock_irqrestore(&ha->vport_slock, flags);
3308
3309 if (found)
3310 continue;
3311 }
3312
3313 /* Bypass if same domain and area of adapter. */
3314 if (((new_fcport->d_id.b24 & 0xffff00) ==
3315 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3316 ISP_CFG_FL)
3317 continue;
3318
3319 /* Bypass reserved domain fields. */
3320 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3321 continue;
3322
3323 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3324 if (ql2xgffidenable &&
3325 (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3326 new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3327 continue;
3328
3329 /* Locate matching device in database. */
3330 found = 0;
3331 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3332 if (memcmp(new_fcport->port_name, fcport->port_name,
3333 WWN_SIZE))
3334 continue;
3335
3336 found++;
3337
3338 /* Update port state. */
3339 memcpy(fcport->fabric_port_name,
3340 new_fcport->fabric_port_name, WWN_SIZE);
3341 fcport->fp_speed = new_fcport->fp_speed;
3342
3343 /*
3344 * If address the same and state FCS_ONLINE, nothing
3345 * changed.
3346 */
3347 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3348 atomic_read(&fcport->state) == FCS_ONLINE) {
3349 break;
3350 }
3351
3352 /*
3353 * If device was not a fabric device before.
3354 */
3355 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3356 fcport->d_id.b24 = new_fcport->d_id.b24;
3357 fcport->loop_id = FC_NO_LOOP_ID;
3358 fcport->flags |= (FCF_FABRIC_DEVICE |
3359 FCF_LOGIN_NEEDED);
3360 break;
3361 }
3362
3363 /*
3364 * Port ID changed or device was marked to be updated;
3365 * Log it out if still logged in and mark it for
3366 * relogin later.
3367 */
3368 fcport->d_id.b24 = new_fcport->d_id.b24;
3369 fcport->flags |= FCF_LOGIN_NEEDED;
3370 if (fcport->loop_id != FC_NO_LOOP_ID &&
3371 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3372 fcport->port_type != FCT_INITIATOR &&
3373 fcport->port_type != FCT_BROADCAST) {
3374 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3375 fcport->d_id.b.domain, fcport->d_id.b.area,
3376 fcport->d_id.b.al_pa);
3377 fcport->loop_id = FC_NO_LOOP_ID;
3378 }
3379
3380 break;
3381 }
3382
3383 if (found)
3384 continue;
3385 /* If device was not in our fcports list, then add it. */
3386 list_add_tail(&new_fcport->list, new_fcports);
3387
3388 /* Allocate a new replacement fcport. */
3389 nxt_d_id.b24 = new_fcport->d_id.b24;
3390 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3391 if (new_fcport == NULL) {
3392 ql_log(ql_log_warn, vha, 0x2066,
3393 "Memory allocation failed for fcport.\n");
3394 kfree(swl);
3395 return (QLA_MEMORY_ALLOC_FAILED);
3396 }
3397 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3398 new_fcport->d_id.b24 = nxt_d_id.b24;
3399 }
3400
3401 kfree(swl);
3402 kfree(new_fcport);
3403
3404 return (rval);
3405 }
3406
3407 /*
3408 * qla2x00_find_new_loop_id
3409 * Scan through our port list and find a new usable loop ID.
3410 *
3411 * Input:
3412 * ha: adapter state pointer.
3413 * dev: port structure pointer.
3414 *
3415 * Returns:
3416 * qla2x00 local function return status code.
3417 *
3418 * Context:
3419 * Kernel context.
3420 */
3421 int
3422 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3423 {
3424 int rval;
3425 int found;
3426 fc_port_t *fcport;
3427 uint16_t first_loop_id;
3428 struct qla_hw_data *ha = vha->hw;
3429 struct scsi_qla_host *vp;
3430 struct scsi_qla_host *tvp;
3431 unsigned long flags = 0;
3432
3433 rval = QLA_SUCCESS;
3434
3435 /* Save starting loop ID. */
3436 first_loop_id = dev->loop_id;
3437
3438 for (;;) {
3439 /* Skip loop ID if already used by adapter. */
3440 if (dev->loop_id == vha->loop_id)
3441 dev->loop_id++;
3442
3443 /* Skip reserved loop IDs. */
3444 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3445 dev->loop_id++;
3446
3447 /* Reset loop ID if passed the end. */
3448 if (dev->loop_id > ha->max_loop_id) {
3449 /* first loop ID. */
3450 dev->loop_id = ha->min_external_loopid;
3451 }
3452
3453 /* Check for loop ID being already in use. */
3454 found = 0;
3455 fcport = NULL;
3456
3457 spin_lock_irqsave(&ha->vport_slock, flags);
3458 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3459 list_for_each_entry(fcport, &vp->vp_fcports, list) {
3460 if (fcport->loop_id == dev->loop_id &&
3461 fcport != dev) {
3462 /* ID possibly in use */
3463 found++;
3464 break;
3465 }
3466 }
3467 if (found)
3468 break;
3469 }
3470 spin_unlock_irqrestore(&ha->vport_slock, flags);
3471
3472 /* If not in use then it is free to use. */
3473 if (!found) {
3474 break;
3475 }
3476
3477 /* ID in use. Try next value. */
3478 dev->loop_id++;
3479
3480 /* If wrap around. No free ID to use. */
3481 if (dev->loop_id == first_loop_id) {
3482 dev->loop_id = FC_NO_LOOP_ID;
3483 rval = QLA_FUNCTION_FAILED;
3484 break;
3485 }
3486 }
3487
3488 return (rval);
3489 }
3490
3491 /*
3492 * qla2x00_device_resync
3493 * Marks devices in the database that needs resynchronization.
3494 *
3495 * Input:
3496 * ha = adapter block pointer.
3497 *
3498 * Context:
3499 * Kernel context.
3500 */
3501 static int
3502 qla2x00_device_resync(scsi_qla_host_t *vha)
3503 {
3504 int rval;
3505 uint32_t mask;
3506 fc_port_t *fcport;
3507 uint32_t rscn_entry;
3508 uint8_t rscn_out_iter;
3509 uint8_t format;
3510 port_id_t d_id = {};
3511
3512 rval = QLA_RSCNS_HANDLED;
3513
3514 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3515 vha->flags.rscn_queue_overflow) {
3516
3517 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3518 format = MSB(MSW(rscn_entry));
3519 d_id.b.domain = LSB(MSW(rscn_entry));
3520 d_id.b.area = MSB(LSW(rscn_entry));
3521 d_id.b.al_pa = LSB(LSW(rscn_entry));
3522
3523 ql_dbg(ql_dbg_disc, vha, 0x2020,
3524 "RSCN queue entry[%d] = [%02x/%02x%02x%02x].\n",
3525 vha->rscn_out_ptr, format, d_id.b.domain, d_id.b.area,
3526 d_id.b.al_pa);
3527
3528 vha->rscn_out_ptr++;
3529 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3530 vha->rscn_out_ptr = 0;
3531
3532 /* Skip duplicate entries. */
3533 for (rscn_out_iter = vha->rscn_out_ptr;
3534 !vha->flags.rscn_queue_overflow &&
3535 rscn_out_iter != vha->rscn_in_ptr;
3536 rscn_out_iter = (rscn_out_iter ==
3537 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3538
3539 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3540 break;
3541
3542 ql_dbg(ql_dbg_disc, vha, 0x2021,
3543 "Skipping duplicate RSCN queue entry found at "
3544 "[%d].\n", rscn_out_iter);
3545
3546 vha->rscn_out_ptr = rscn_out_iter;
3547 }
3548
3549 /* Queue overflow, set switch default case. */
3550 if (vha->flags.rscn_queue_overflow) {
3551 ql_dbg(ql_dbg_disc, vha, 0x2022,
3552 "device_resync: rscn overflow.\n");
3553
3554 format = 3;
3555 vha->flags.rscn_queue_overflow = 0;
3556 }
3557
3558 switch (format) {
3559 case 0:
3560 mask = 0xffffff;
3561 break;
3562 case 1:
3563 mask = 0xffff00;
3564 break;
3565 case 2:
3566 mask = 0xff0000;
3567 break;
3568 default:
3569 mask = 0x0;
3570 d_id.b24 = 0;
3571 vha->rscn_out_ptr = vha->rscn_in_ptr;
3572 break;
3573 }
3574
3575 rval = QLA_SUCCESS;
3576
3577 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3578 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3579 (fcport->d_id.b24 & mask) != d_id.b24 ||
3580 fcport->port_type == FCT_BROADCAST)
3581 continue;
3582
3583 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3584 if (format != 3 ||
3585 fcport->port_type != FCT_INITIATOR) {
3586 qla2x00_mark_device_lost(vha, fcport,
3587 0, 0);
3588 }
3589 }
3590 }
3591 }
3592 return (rval);
3593 }
3594
3595 /*
3596 * qla2x00_fabric_dev_login
3597 * Login fabric target device and update FC port database.
3598 *
3599 * Input:
3600 * ha: adapter state pointer.
3601 * fcport: port structure list pointer.
3602 * next_loopid: contains value of a new loop ID that can be used
3603 * by the next login attempt.
3604 *
3605 * Returns:
3606 * qla2x00 local function return status code.
3607 *
3608 * Context:
3609 * Kernel context.
3610 */
3611 static int
3612 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3613 uint16_t *next_loopid)
3614 {
3615 int rval;
3616 int retry;
3617 uint8_t opts;
3618 struct qla_hw_data *ha = vha->hw;
3619
3620 rval = QLA_SUCCESS;
3621 retry = 0;
3622
3623 if (IS_ALOGIO_CAPABLE(ha)) {
3624 if (fcport->flags & FCF_ASYNC_SENT)
3625 return rval;
3626 fcport->flags |= FCF_ASYNC_SENT;
3627 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3628 if (!rval)
3629 return rval;
3630 }
3631
3632 fcport->flags &= ~FCF_ASYNC_SENT;
3633 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3634 if (rval == QLA_SUCCESS) {
3635 /* Send an ADISC to FCP2 devices.*/
3636 opts = 0;
3637 if (fcport->flags & FCF_FCP2_DEVICE)
3638 opts |= BIT_1;
3639 rval = qla2x00_get_port_database(vha, fcport, opts);
3640 if (rval != QLA_SUCCESS) {
3641 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3642 fcport->d_id.b.domain, fcport->d_id.b.area,
3643 fcport->d_id.b.al_pa);
3644 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3645 } else {
3646 qla2x00_update_fcport(vha, fcport);
3647 }
3648 }
3649
3650 return (rval);
3651 }
3652
3653 /*
3654 * qla2x00_fabric_login
3655 * Issue fabric login command.
3656 *
3657 * Input:
3658 * ha = adapter block pointer.
3659 * device = pointer to FC device type structure.
3660 *
3661 * Returns:
3662 * 0 - Login successfully
3663 * 1 - Login failed
3664 * 2 - Initiator device
3665 * 3 - Fatal error
3666 */
3667 int
3668 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3669 uint16_t *next_loopid)
3670 {
3671 int rval;
3672 int retry;
3673 uint16_t tmp_loopid;
3674 uint16_t mb[MAILBOX_REGISTER_COUNT];
3675 struct qla_hw_data *ha = vha->hw;
3676
3677 retry = 0;
3678 tmp_loopid = 0;
3679
3680 for (;;) {
3681 ql_dbg(ql_dbg_disc, vha, 0x2000,
3682 "Trying Fabric Login w/loop id 0x%04x for port "
3683 "%02x%02x%02x.\n",
3684 fcport->loop_id, fcport->d_id.b.domain,
3685 fcport->d_id.b.area, fcport->d_id.b.al_pa);
3686
3687 /* Login fcport on switch. */
3688 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3689 fcport->d_id.b.domain, fcport->d_id.b.area,
3690 fcport->d_id.b.al_pa, mb, BIT_0);
3691 if (mb[0] == MBS_PORT_ID_USED) {
3692 /*
3693 * Device has another loop ID. The firmware team
3694 * recommends the driver perform an implicit login with
3695 * the specified ID again. The ID we just used is save
3696 * here so we return with an ID that can be tried by
3697 * the next login.
3698 */
3699 retry++;
3700 tmp_loopid = fcport->loop_id;
3701 fcport->loop_id = mb[1];
3702
3703 ql_dbg(ql_dbg_disc, vha, 0x2001,
3704 "Fabric Login: port in use - next loop "
3705 "id=0x%04x, port id= %02x%02x%02x.\n",
3706 fcport->loop_id, fcport->d_id.b.domain,
3707 fcport->d_id.b.area, fcport->d_id.b.al_pa);
3708
3709 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3710 /*
3711 * Login succeeded.
3712 */
3713 if (retry) {
3714 /* A retry occurred before. */
3715 *next_loopid = tmp_loopid;
3716 } else {
3717 /*
3718 * No retry occurred before. Just increment the
3719 * ID value for next login.
3720 */
3721 *next_loopid = (fcport->loop_id + 1);
3722 }
3723
3724 if (mb[1] & BIT_0) {
3725 fcport->port_type = FCT_INITIATOR;
3726 } else {
3727 fcport->port_type = FCT_TARGET;
3728 if (mb[1] & BIT_1) {
3729 fcport->flags |= FCF_FCP2_DEVICE;
3730 }
3731 }
3732
3733 if (mb[10] & BIT_0)
3734 fcport->supported_classes |= FC_COS_CLASS2;
3735 if (mb[10] & BIT_1)
3736 fcport->supported_classes |= FC_COS_CLASS3;
3737
3738 rval = QLA_SUCCESS;
3739 break;
3740 } else if (mb[0] == MBS_LOOP_ID_USED) {
3741 /*
3742 * Loop ID already used, try next loop ID.
3743 */
3744 fcport->loop_id++;
3745 rval = qla2x00_find_new_loop_id(vha, fcport);
3746 if (rval != QLA_SUCCESS) {
3747 /* Ran out of loop IDs to use */
3748 break;
3749 }
3750 } else if (mb[0] == MBS_COMMAND_ERROR) {
3751 /*
3752 * Firmware possibly timed out during login. If NO
3753 * retries are left to do then the device is declared
3754 * dead.
3755 */
3756 *next_loopid = fcport->loop_id;
3757 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3758 fcport->d_id.b.domain, fcport->d_id.b.area,
3759 fcport->d_id.b.al_pa);
3760 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3761
3762 rval = 1;
3763 break;
3764 } else {
3765 /*
3766 * unrecoverable / not handled error
3767 */
3768 ql_dbg(ql_dbg_disc, vha, 0x2002,
3769 "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3770 "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3771 fcport->d_id.b.area, fcport->d_id.b.al_pa,
3772 fcport->loop_id, jiffies);
3773
3774 *next_loopid = fcport->loop_id;
3775 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3776 fcport->d_id.b.domain, fcport->d_id.b.area,
3777 fcport->d_id.b.al_pa);
3778 fcport->loop_id = FC_NO_LOOP_ID;
3779 fcport->login_retry = 0;
3780
3781 rval = 3;
3782 break;
3783 }
3784 }
3785
3786 return (rval);
3787 }
3788
3789 /*
3790 * qla2x00_local_device_login
3791 * Issue local device login command.
3792 *
3793 * Input:
3794 * ha = adapter block pointer.
3795 * loop_id = loop id of device to login to.
3796 *
3797 * Returns (Where's the #define!!!!):
3798 * 0 - Login successfully
3799 * 1 - Login failed
3800 * 3 - Fatal error
3801 */
3802 int
3803 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3804 {
3805 int rval;
3806 uint16_t mb[MAILBOX_REGISTER_COUNT];
3807
3808 memset(mb, 0, sizeof(mb));
3809 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3810 if (rval == QLA_SUCCESS) {
3811 /* Interrogate mailbox registers for any errors */
3812 if (mb[0] == MBS_COMMAND_ERROR)
3813 rval = 1;
3814 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3815 /* device not in PCB table */
3816 rval = 3;
3817 }
3818
3819 return (rval);
3820 }
3821
3822 /*
3823 * qla2x00_loop_resync
3824 * Resync with fibre channel devices.
3825 *
3826 * Input:
3827 * ha = adapter block pointer.
3828 *
3829 * Returns:
3830 * 0 = success
3831 */
3832 int
3833 qla2x00_loop_resync(scsi_qla_host_t *vha)
3834 {
3835 int rval = QLA_SUCCESS;
3836 uint32_t wait_time;
3837 struct req_que *req;
3838 struct rsp_que *rsp;
3839
3840 if (vha->hw->flags.cpu_affinity_enabled)
3841 req = vha->hw->req_q_map[0];
3842 else
3843 req = vha->req;
3844 rsp = req->rsp;
3845
3846 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3847 if (vha->flags.online) {
3848 if (!(rval = qla2x00_fw_ready(vha))) {
3849 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3850 wait_time = 256;
3851 do {
3852 /* Issue a marker after FW becomes ready. */
3853 qla2x00_marker(vha, req, rsp, 0, 0,
3854 MK_SYNC_ALL);
3855 vha->marker_needed = 0;
3856
3857 /* Remap devices on Loop. */
3858 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3859
3860 qla2x00_configure_loop(vha);
3861 wait_time--;
3862 } while (!atomic_read(&vha->loop_down_timer) &&
3863 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3864 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3865 &vha->dpc_flags)));
3866 }
3867 }
3868
3869 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3870 return (QLA_FUNCTION_FAILED);
3871
3872 if (rval)
3873 ql_dbg(ql_dbg_disc, vha, 0x206c,
3874 "%s *** FAILED ***.\n", __func__);
3875
3876 return (rval);
3877 }
3878
3879 /*
3880 * qla2x00_perform_loop_resync
3881 * Description: This function will set the appropriate flags and call
3882 * qla2x00_loop_resync. If successful loop will be resynced
3883 * Arguments : scsi_qla_host_t pointer
3884 * returm : Success or Failure
3885 */
3886
3887 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3888 {
3889 int32_t rval = 0;
3890
3891 if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3892 /*Configure the flags so that resync happens properly*/
3893 atomic_set(&ha->loop_down_timer, 0);
3894 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3895 atomic_set(&ha->loop_state, LOOP_UP);
3896 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3897 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3898 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3899
3900 rval = qla2x00_loop_resync(ha);
3901 } else
3902 atomic_set(&ha->loop_state, LOOP_DEAD);
3903
3904 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3905 }
3906
3907 return rval;
3908 }
3909
3910 void
3911 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3912 {
3913 fc_port_t *fcport;
3914 struct scsi_qla_host *vha;
3915 struct qla_hw_data *ha = base_vha->hw;
3916 unsigned long flags;
3917
3918 spin_lock_irqsave(&ha->vport_slock, flags);
3919 /* Go with deferred removal of rport references. */
3920 list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3921 atomic_inc(&vha->vref_count);
3922 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3923 if (fcport->drport &&
3924 atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3925 spin_unlock_irqrestore(&ha->vport_slock, flags);
3926
3927 qla2x00_rport_del(fcport);
3928
3929 spin_lock_irqsave(&ha->vport_slock, flags);
3930 }
3931 }
3932 atomic_dec(&vha->vref_count);
3933 }
3934 spin_unlock_irqrestore(&ha->vport_slock, flags);
3935 }
3936
3937 /*
3938 * qla82xx_quiescent_state_cleanup
3939 * Description: This function will block the new I/Os
3940 * Its not aborting any I/Os as context
3941 * is not destroyed during quiescence
3942 * Arguments: scsi_qla_host_t
3943 * return : void
3944 */
3945 void
3946 qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3947 {
3948 struct qla_hw_data *ha = vha->hw;
3949 struct scsi_qla_host *vp;
3950
3951 ql_dbg(ql_dbg_p3p, vha, 0xb002,
3952 "Performing ISP error recovery - ha=%p.\n", ha);
3953
3954 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3955 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3956 atomic_set(&vha->loop_state, LOOP_DOWN);
3957 qla2x00_mark_all_devices_lost(vha, 0);
3958 list_for_each_entry(vp, &ha->vp_list, list)
3959 qla2x00_mark_all_devices_lost(vha, 0);
3960 } else {
3961 if (!atomic_read(&vha->loop_down_timer))
3962 atomic_set(&vha->loop_down_timer,
3963 LOOP_DOWN_TIME);
3964 }
3965 /* Wait for pending cmds to complete */
3966 qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3967 }
3968
3969 void
3970 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3971 {
3972 struct qla_hw_data *ha = vha->hw;
3973 struct scsi_qla_host *vp;
3974 unsigned long flags;
3975 fc_port_t *fcport;
3976
3977 /* For ISP82XX, driver waits for completion of the commands.
3978 * online flag should be set.
3979 */
3980 if (!IS_QLA82XX(ha))
3981 vha->flags.online = 0;
3982 ha->flags.chip_reset_done = 0;
3983 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3984 ha->qla_stats.total_isp_aborts++;
3985
3986 ql_log(ql_log_info, vha, 0x00af,
3987 "Performing ISP error recovery - ha=%p.\n", ha);
3988
3989 /* For ISP82XX, reset_chip is just disabling interrupts.
3990 * Driver waits for the completion of the commands.
3991 * the interrupts need to be enabled.
3992 */
3993 if (!IS_QLA82XX(ha))
3994 ha->isp_ops->reset_chip(vha);
3995
3996 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3997 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3998 atomic_set(&vha->loop_state, LOOP_DOWN);
3999 qla2x00_mark_all_devices_lost(vha, 0);
4000
4001 spin_lock_irqsave(&ha->vport_slock, flags);
4002 list_for_each_entry(vp, &ha->vp_list, list) {
4003 atomic_inc(&vp->vref_count);
4004 spin_unlock_irqrestore(&ha->vport_slock, flags);
4005
4006 qla2x00_mark_all_devices_lost(vp, 0);
4007
4008 spin_lock_irqsave(&ha->vport_slock, flags);
4009 atomic_dec(&vp->vref_count);
4010 }
4011 spin_unlock_irqrestore(&ha->vport_slock, flags);
4012 } else {
4013 if (!atomic_read(&vha->loop_down_timer))
4014 atomic_set(&vha->loop_down_timer,
4015 LOOP_DOWN_TIME);
4016 }
4017
4018 /* Clear all async request states across all VPs. */
4019 list_for_each_entry(fcport, &vha->vp_fcports, list)
4020 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4021 spin_lock_irqsave(&ha->vport_slock, flags);
4022 list_for_each_entry(vp, &ha->vp_list, list) {
4023 atomic_inc(&vp->vref_count);
4024 spin_unlock_irqrestore(&ha->vport_slock, flags);
4025
4026 list_for_each_entry(fcport, &vp->vp_fcports, list)
4027 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4028
4029 spin_lock_irqsave(&ha->vport_slock, flags);
4030 atomic_dec(&vp->vref_count);
4031 }
4032 spin_unlock_irqrestore(&ha->vport_slock, flags);
4033
4034 if (!ha->flags.eeh_busy) {
4035 /* Make sure for ISP 82XX IO DMA is complete */
4036 if (IS_QLA82XX(ha)) {
4037 qla82xx_chip_reset_cleanup(vha);
4038 ql_log(ql_log_info, vha, 0x00b4,
4039 "Done chip reset cleanup.\n");
4040
4041 /* Done waiting for pending commands.
4042 * Reset the online flag.
4043 */
4044 vha->flags.online = 0;
4045 }
4046
4047 /* Requeue all commands in outstanding command list. */
4048 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4049 }
4050 }
4051
4052 /*
4053 * qla2x00_abort_isp
4054 * Resets ISP and aborts all outstanding commands.
4055 *
4056 * Input:
4057 * ha = adapter block pointer.
4058 *
4059 * Returns:
4060 * 0 = success
4061 */
4062 int
4063 qla2x00_abort_isp(scsi_qla_host_t *vha)
4064 {
4065 int rval;
4066 uint8_t status = 0;
4067 struct qla_hw_data *ha = vha->hw;
4068 struct scsi_qla_host *vp;
4069 struct req_que *req = ha->req_q_map[0];
4070 unsigned long flags;
4071
4072 if (vha->flags.online) {
4073 qla2x00_abort_isp_cleanup(vha);
4074
4075 if (unlikely(pci_channel_offline(ha->pdev) &&
4076 ha->flags.pci_channel_io_perm_failure)) {
4077 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4078 status = 0;
4079 return status;
4080 }
4081
4082 ha->isp_ops->get_flash_version(vha, req->ring);
4083
4084 ha->isp_ops->nvram_config(vha);
4085
4086 if (!qla2x00_restart_isp(vha)) {
4087 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4088
4089 if (!atomic_read(&vha->loop_down_timer)) {
4090 /*
4091 * Issue marker command only when we are going
4092 * to start the I/O .
4093 */
4094 vha->marker_needed = 1;
4095 }
4096
4097 vha->flags.online = 1;
4098
4099 ha->isp_ops->enable_intrs(ha);
4100
4101 ha->isp_abort_cnt = 0;
4102 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4103
4104 if (IS_QLA81XX(ha))
4105 qla2x00_get_fw_version(vha,
4106 &ha->fw_major_version,
4107 &ha->fw_minor_version,
4108 &ha->fw_subminor_version,
4109 &ha->fw_attributes, &ha->fw_memory_size,
4110 ha->mpi_version, &ha->mpi_capabilities,
4111 ha->phy_version);
4112
4113 if (ha->fce) {
4114 ha->flags.fce_enabled = 1;
4115 memset(ha->fce, 0,
4116 fce_calc_size(ha->fce_bufs));
4117 rval = qla2x00_enable_fce_trace(vha,
4118 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4119 &ha->fce_bufs);
4120 if (rval) {
4121 ql_log(ql_log_warn, vha, 0x8033,
4122 "Unable to reinitialize FCE "
4123 "(%d).\n", rval);
4124 ha->flags.fce_enabled = 0;
4125 }
4126 }
4127
4128 if (ha->eft) {
4129 memset(ha->eft, 0, EFT_SIZE);
4130 rval = qla2x00_enable_eft_trace(vha,
4131 ha->eft_dma, EFT_NUM_BUFFERS);
4132 if (rval) {
4133 ql_log(ql_log_warn, vha, 0x8034,
4134 "Unable to reinitialize EFT "
4135 "(%d).\n", rval);
4136 }
4137 }
4138 } else { /* failed the ISP abort */
4139 vha->flags.online = 1;
4140 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4141 if (ha->isp_abort_cnt == 0) {
4142 ql_log(ql_log_fatal, vha, 0x8035,
4143 "ISP error recover failed - "
4144 "board disabled.\n");
4145 /*
4146 * The next call disables the board
4147 * completely.
4148 */
4149 ha->isp_ops->reset_adapter(vha);
4150 vha->flags.online = 0;
4151 clear_bit(ISP_ABORT_RETRY,
4152 &vha->dpc_flags);
4153 status = 0;
4154 } else { /* schedule another ISP abort */
4155 ha->isp_abort_cnt--;
4156 ql_dbg(ql_dbg_taskm, vha, 0x8020,
4157 "ISP abort - retry remaining %d.\n",
4158 ha->isp_abort_cnt);
4159 status = 1;
4160 }
4161 } else {
4162 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4163 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4164 "ISP error recovery - retrying (%d) "
4165 "more times.\n", ha->isp_abort_cnt);
4166 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4167 status = 1;
4168 }
4169 }
4170
4171 }
4172
4173 if (!status) {
4174 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4175
4176 spin_lock_irqsave(&ha->vport_slock, flags);
4177 list_for_each_entry(vp, &ha->vp_list, list) {
4178 if (vp->vp_idx) {
4179 atomic_inc(&vp->vref_count);
4180 spin_unlock_irqrestore(&ha->vport_slock, flags);
4181
4182 qla2x00_vp_abort_isp(vp);
4183
4184 spin_lock_irqsave(&ha->vport_slock, flags);
4185 atomic_dec(&vp->vref_count);
4186 }
4187 }
4188 spin_unlock_irqrestore(&ha->vport_slock, flags);
4189
4190 } else {
4191 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n");
4192 }
4193
4194 return(status);
4195 }
4196
4197 /*
4198 * qla2x00_restart_isp
4199 * restarts the ISP after a reset
4200 *
4201 * Input:
4202 * ha = adapter block pointer.
4203 *
4204 * Returns:
4205 * 0 = success
4206 */
4207 static int
4208 qla2x00_restart_isp(scsi_qla_host_t *vha)
4209 {
4210 int status = 0;
4211 uint32_t wait_time;
4212 struct qla_hw_data *ha = vha->hw;
4213 struct req_que *req = ha->req_q_map[0];
4214 struct rsp_que *rsp = ha->rsp_q_map[0];
4215
4216 /* If firmware needs to be loaded */
4217 if (qla2x00_isp_firmware(vha)) {
4218 vha->flags.online = 0;
4219 status = ha->isp_ops->chip_diag(vha);
4220 if (!status)
4221 status = qla2x00_setup_chip(vha);
4222 }
4223
4224 if (!status && !(status = qla2x00_init_rings(vha))) {
4225 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4226 ha->flags.chip_reset_done = 1;
4227 /* Initialize the queues in use */
4228 qla25xx_init_queues(ha);
4229
4230 status = qla2x00_fw_ready(vha);
4231 if (!status) {
4232 ql_dbg(ql_dbg_taskm, vha, 0x8031,
4233 "Start configure loop status = %d.\n", status);
4234
4235 /* Issue a marker after FW becomes ready. */
4236 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4237
4238 vha->flags.online = 1;
4239 /* Wait at most MAX_TARGET RSCNs for a stable link. */
4240 wait_time = 256;
4241 do {
4242 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4243 qla2x00_configure_loop(vha);
4244 wait_time--;
4245 } while (!atomic_read(&vha->loop_down_timer) &&
4246 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4247 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4248 &vha->dpc_flags)));
4249 }
4250
4251 /* if no cable then assume it's good */
4252 if ((vha->device_flags & DFLG_NO_CABLE))
4253 status = 0;
4254
4255 ql_dbg(ql_dbg_taskm, vha, 0x8032,
4256 "Configure loop done, status = 0x%x.\n", status);
4257 }
4258 return (status);
4259 }
4260
4261 static int
4262 qla25xx_init_queues(struct qla_hw_data *ha)
4263 {
4264 struct rsp_que *rsp = NULL;
4265 struct req_que *req = NULL;
4266 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4267 int ret = -1;
4268 int i;
4269
4270 for (i = 1; i < ha->max_rsp_queues; i++) {
4271 rsp = ha->rsp_q_map[i];
4272 if (rsp) {
4273 rsp->options &= ~BIT_0;
4274 ret = qla25xx_init_rsp_que(base_vha, rsp);
4275 if (ret != QLA_SUCCESS)
4276 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4277 "%s Rsp que: %d init failed.\n",
4278 __func__, rsp->id);
4279 else
4280 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4281 "%s Rsp que: %d inited.\n",
4282 __func__, rsp->id);
4283 }
4284 }
4285 for (i = 1; i < ha->max_req_queues; i++) {
4286 req = ha->req_q_map[i];
4287 if (req) {
4288 /* Clear outstanding commands array. */
4289 req->options &= ~BIT_0;
4290 ret = qla25xx_init_req_que(base_vha, req);
4291 if (ret != QLA_SUCCESS)
4292 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4293 "%s Req que: %d init failed.\n",
4294 __func__, req->id);
4295 else
4296 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4297 "%s Req que: %d inited.\n",
4298 __func__, req->id);
4299 }
4300 }
4301 return ret;
4302 }
4303
4304 /*
4305 * qla2x00_reset_adapter
4306 * Reset adapter.
4307 *
4308 * Input:
4309 * ha = adapter block pointer.
4310 */
4311 void
4312 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4313 {
4314 unsigned long flags = 0;
4315 struct qla_hw_data *ha = vha->hw;
4316 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4317
4318 vha->flags.online = 0;
4319 ha->isp_ops->disable_intrs(ha);
4320
4321 spin_lock_irqsave(&ha->hardware_lock, flags);
4322 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4323 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4324 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4325 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4326 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4327 }
4328
4329 void
4330 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4331 {
4332 unsigned long flags = 0;
4333 struct qla_hw_data *ha = vha->hw;
4334 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4335
4336 if (IS_QLA82XX(ha))
4337 return;
4338
4339 vha->flags.online = 0;
4340 ha->isp_ops->disable_intrs(ha);
4341
4342 spin_lock_irqsave(&ha->hardware_lock, flags);
4343 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4344 RD_REG_DWORD(&reg->hccr);
4345 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4346 RD_REG_DWORD(&reg->hccr);
4347 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4348
4349 if (IS_NOPOLLING_TYPE(ha))
4350 ha->isp_ops->enable_intrs(ha);
4351 }
4352
4353 /* On sparc systems, obtain port and node WWN from firmware
4354 * properties.
4355 */
4356 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4357 struct nvram_24xx *nv)
4358 {
4359 #ifdef CONFIG_SPARC
4360 struct qla_hw_data *ha = vha->hw;
4361 struct pci_dev *pdev = ha->pdev;
4362 struct device_node *dp = pci_device_to_OF_node(pdev);
4363 const u8 *val;
4364 int len;
4365
4366 val = of_get_property(dp, "port-wwn", &len);
4367 if (val && len >= WWN_SIZE)
4368 memcpy(nv->port_name, val, WWN_SIZE);
4369
4370 val = of_get_property(dp, "node-wwn", &len);
4371 if (val && len >= WWN_SIZE)
4372 memcpy(nv->node_name, val, WWN_SIZE);
4373 #endif
4374 }
4375
4376 int
4377 qla24xx_nvram_config(scsi_qla_host_t *vha)
4378 {
4379 int rval;
4380 struct init_cb_24xx *icb;
4381 struct nvram_24xx *nv;
4382 uint32_t *dptr;
4383 uint8_t *dptr1, *dptr2;
4384 uint32_t chksum;
4385 uint16_t cnt;
4386 struct qla_hw_data *ha = vha->hw;
4387
4388 rval = QLA_SUCCESS;
4389 icb = (struct init_cb_24xx *)ha->init_cb;
4390 nv = ha->nvram;
4391
4392 /* Determine NVRAM starting address. */
4393 if (ha->flags.port0) {
4394 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4395 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4396 } else {
4397 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4398 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4399 }
4400 ha->nvram_size = sizeof(struct nvram_24xx);
4401 ha->vpd_size = FA_NVRAM_VPD_SIZE;
4402 if (IS_QLA82XX(ha))
4403 ha->vpd_size = FA_VPD_SIZE_82XX;
4404
4405 /* Get VPD data into cache */
4406 ha->vpd = ha->nvram + VPD_OFFSET;
4407 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4408 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4409
4410 /* Get NVRAM data into cache and calculate checksum. */
4411 dptr = (uint32_t *)nv;
4412 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4413 ha->nvram_size);
4414 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4415 chksum += le32_to_cpu(*dptr++);
4416
4417 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4418 "Contents of NVRAM\n");
4419 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4420 (uint8_t *)nv, ha->nvram_size);
4421
4422 /* Bad NVRAM data, set defaults parameters. */
4423 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4424 || nv->id[3] != ' ' ||
4425 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4426 /* Reset NVRAM data. */
4427 ql_log(ql_log_warn, vha, 0x006b,
4428 "Inconisistent NVRAM detected: checksum=0x%x id=%c "
4429 "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4430 ql_log(ql_log_warn, vha, 0x006c,
4431 "Falling back to functioning (yet invalid -- WWPN) "
4432 "defaults.\n");
4433
4434 /*
4435 * Set default initialization control block.
4436 */
4437 memset(nv, 0, ha->nvram_size);
4438 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4439 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4440 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4441 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4442 nv->exchange_count = __constant_cpu_to_le16(0);
4443 nv->hard_address = __constant_cpu_to_le16(124);
4444 nv->port_name[0] = 0x21;
4445 nv->port_name[1] = 0x00 + ha->port_no;
4446 nv->port_name[2] = 0x00;
4447 nv->port_name[3] = 0xe0;
4448 nv->port_name[4] = 0x8b;
4449 nv->port_name[5] = 0x1c;
4450 nv->port_name[6] = 0x55;
4451 nv->port_name[7] = 0x86;
4452 nv->node_name[0] = 0x20;
4453 nv->node_name[1] = 0x00;
4454 nv->node_name[2] = 0x00;
4455 nv->node_name[3] = 0xe0;
4456 nv->node_name[4] = 0x8b;
4457 nv->node_name[5] = 0x1c;
4458 nv->node_name[6] = 0x55;
4459 nv->node_name[7] = 0x86;
4460 qla24xx_nvram_wwn_from_ofw(vha, nv);
4461 nv->login_retry_count = __constant_cpu_to_le16(8);
4462 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4463 nv->login_timeout = __constant_cpu_to_le16(0);
4464 nv->firmware_options_1 =
4465 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4466 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4467 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4468 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4469 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4470 nv->efi_parameters = __constant_cpu_to_le32(0);
4471 nv->reset_delay = 5;
4472 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4473 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4474 nv->link_down_timeout = __constant_cpu_to_le16(30);
4475
4476 rval = 1;
4477 }
4478
4479 /* Reset Initialization control block */
4480 memset(icb, 0, ha->init_cb_size);
4481
4482 /* Copy 1st segment. */
4483 dptr1 = (uint8_t *)icb;
4484 dptr2 = (uint8_t *)&nv->version;
4485 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4486 while (cnt--)
4487 *dptr1++ = *dptr2++;
4488
4489 icb->login_retry_count = nv->login_retry_count;
4490 icb->link_down_on_nos = nv->link_down_on_nos;
4491
4492 /* Copy 2nd segment. */
4493 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4494 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4495 cnt = (uint8_t *)&icb->reserved_3 -
4496 (uint8_t *)&icb->interrupt_delay_timer;
4497 while (cnt--)
4498 *dptr1++ = *dptr2++;
4499
4500 /*
4501 * Setup driver NVRAM options.
4502 */
4503 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4504 "QLA2462");
4505
4506 /* Use alternate WWN? */
4507 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4508 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4509 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4510 }
4511
4512 /* Prepare nodename */
4513 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4514 /*
4515 * Firmware will apply the following mask if the nodename was
4516 * not provided.
4517 */
4518 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4519 icb->node_name[0] &= 0xF0;
4520 }
4521
4522 /* Set host adapter parameters. */
4523 ha->flags.disable_risc_code_load = 0;
4524 ha->flags.enable_lip_reset = 0;
4525 ha->flags.enable_lip_full_login =
4526 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4527 ha->flags.enable_target_reset =
4528 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4529 ha->flags.enable_led_scheme = 0;
4530 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4531
4532 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4533 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4534
4535 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4536 sizeof(ha->fw_seriallink_options24));
4537
4538 /* save HBA serial number */
4539 ha->serial0 = icb->port_name[5];
4540 ha->serial1 = icb->port_name[6];
4541 ha->serial2 = icb->port_name[7];
4542 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4543 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4544
4545 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4546
4547 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4548
4549 /* Set minimum login_timeout to 4 seconds. */
4550 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4551 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4552 if (le16_to_cpu(nv->login_timeout) < 4)
4553 nv->login_timeout = __constant_cpu_to_le16(4);
4554 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4555 icb->login_timeout = nv->login_timeout;
4556
4557 /* Set minimum RATOV to 100 tenths of a second. */
4558 ha->r_a_tov = 100;
4559
4560 ha->loop_reset_delay = nv->reset_delay;
4561
4562 /* Link Down Timeout = 0:
4563 *
4564 * When Port Down timer expires we will start returning
4565 * I/O's to OS with "DID_NO_CONNECT".
4566 *
4567 * Link Down Timeout != 0:
4568 *
4569 * The driver waits for the link to come up after link down
4570 * before returning I/Os to OS with "DID_NO_CONNECT".
4571 */
4572 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4573 ha->loop_down_abort_time =
4574 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4575 } else {
4576 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4577 ha->loop_down_abort_time =
4578 (LOOP_DOWN_TIME - ha->link_down_timeout);
4579 }
4580
4581 /* Need enough time to try and get the port back. */
4582 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4583 if (qlport_down_retry)
4584 ha->port_down_retry_count = qlport_down_retry;
4585
4586 /* Set login_retry_count */
4587 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4588 if (ha->port_down_retry_count ==
4589 le16_to_cpu(nv->port_down_retry_count) &&
4590 ha->port_down_retry_count > 3)
4591 ha->login_retry_count = ha->port_down_retry_count;
4592 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4593 ha->login_retry_count = ha->port_down_retry_count;
4594 if (ql2xloginretrycount)
4595 ha->login_retry_count = ql2xloginretrycount;
4596
4597 /* Enable ZIO. */
4598 if (!vha->flags.init_done) {
4599 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4600 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4601 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4602 le16_to_cpu(icb->interrupt_delay_timer): 2;
4603 }
4604 icb->firmware_options_2 &= __constant_cpu_to_le32(
4605 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4606 vha->flags.process_response_queue = 0;
4607 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4608 ha->zio_mode = QLA_ZIO_MODE_6;
4609
4610 ql_log(ql_log_info, vha, 0x006f,
4611 "ZIO mode %d enabled; timer delay (%d us).\n",
4612 ha->zio_mode, ha->zio_timer * 100);
4613
4614 icb->firmware_options_2 |= cpu_to_le32(
4615 (uint32_t)ha->zio_mode);
4616 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4617 vha->flags.process_response_queue = 1;
4618 }
4619
4620 if (rval) {
4621 ql_log(ql_log_warn, vha, 0x0070,
4622 "NVRAM configuration failed.\n");
4623 }
4624 return (rval);
4625 }
4626
4627 static int
4628 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4629 uint32_t faddr)
4630 {
4631 int rval = QLA_SUCCESS;
4632 int segments, fragment;
4633 uint32_t *dcode, dlen;
4634 uint32_t risc_addr;
4635 uint32_t risc_size;
4636 uint32_t i;
4637 struct qla_hw_data *ha = vha->hw;
4638 struct req_que *req = ha->req_q_map[0];
4639
4640 ql_dbg(ql_dbg_init, vha, 0x008b,
4641 "Loading firmware from flash (%x).\n", faddr);
4642
4643 rval = QLA_SUCCESS;
4644
4645 segments = FA_RISC_CODE_SEGMENTS;
4646 dcode = (uint32_t *)req->ring;
4647 *srisc_addr = 0;
4648
4649 /* Validate firmware image by checking version. */
4650 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4651 for (i = 0; i < 4; i++)
4652 dcode[i] = be32_to_cpu(dcode[i]);
4653 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4654 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4655 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4656 dcode[3] == 0)) {
4657 ql_log(ql_log_fatal, vha, 0x008c,
4658 "Unable to verify the integrity of flash firmware "
4659 "image.\n");
4660 ql_log(ql_log_fatal, vha, 0x008d,
4661 "Firmware data: %08x %08x %08x %08x.\n",
4662 dcode[0], dcode[1], dcode[2], dcode[3]);
4663
4664 return QLA_FUNCTION_FAILED;
4665 }
4666
4667 while (segments && rval == QLA_SUCCESS) {
4668 /* Read segment's load information. */
4669 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4670
4671 risc_addr = be32_to_cpu(dcode[2]);
4672 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4673 risc_size = be32_to_cpu(dcode[3]);
4674
4675 fragment = 0;
4676 while (risc_size > 0 && rval == QLA_SUCCESS) {
4677 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4678 if (dlen > risc_size)
4679 dlen = risc_size;
4680
4681 ql_dbg(ql_dbg_init, vha, 0x008e,
4682 "Loading risc segment@ risc addr %x "
4683 "number of dwords 0x%x offset 0x%x.\n",
4684 risc_addr, dlen, faddr);
4685
4686 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4687 for (i = 0; i < dlen; i++)
4688 dcode[i] = swab32(dcode[i]);
4689
4690 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4691 dlen);
4692 if (rval) {
4693 ql_log(ql_log_fatal, vha, 0x008f,
4694 "Failed to load segment %d of firmware.\n",
4695 fragment);
4696 break;
4697 }
4698
4699 faddr += dlen;
4700 risc_addr += dlen;
4701 risc_size -= dlen;
4702 fragment++;
4703 }
4704
4705 /* Next segment. */
4706 segments--;
4707 }
4708
4709 return rval;
4710 }
4711
4712 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4713
4714 int
4715 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4716 {
4717 int rval;
4718 int i, fragment;
4719 uint16_t *wcode, *fwcode;
4720 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4721 struct fw_blob *blob;
4722 struct qla_hw_data *ha = vha->hw;
4723 struct req_que *req = ha->req_q_map[0];
4724
4725 /* Load firmware blob. */
4726 blob = qla2x00_request_firmware(vha);
4727 if (!blob) {
4728 ql_log(ql_log_info, vha, 0x0083,
4729 "Fimware image unavailable.\n");
4730 ql_log(ql_log_info, vha, 0x0084,
4731 "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
4732 return QLA_FUNCTION_FAILED;
4733 }
4734
4735 rval = QLA_SUCCESS;
4736
4737 wcode = (uint16_t *)req->ring;
4738 *srisc_addr = 0;
4739 fwcode = (uint16_t *)blob->fw->data;
4740 fwclen = 0;
4741
4742 /* Validate firmware image by checking version. */
4743 if (blob->fw->size < 8 * sizeof(uint16_t)) {
4744 ql_log(ql_log_fatal, vha, 0x0085,
4745 "Unable to verify integrity of firmware image (%Zd).\n",
4746 blob->fw->size);
4747 goto fail_fw_integrity;
4748 }
4749 for (i = 0; i < 4; i++)
4750 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4751 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4752 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4753 wcode[2] == 0 && wcode[3] == 0)) {
4754 ql_log(ql_log_fatal, vha, 0x0086,
4755 "Unable to verify integrity of firmware image.\n");
4756 ql_log(ql_log_fatal, vha, 0x0087,
4757 "Firmware data: %04x %04x %04x %04x.\n",
4758 wcode[0], wcode[1], wcode[2], wcode[3]);
4759 goto fail_fw_integrity;
4760 }
4761
4762 seg = blob->segs;
4763 while (*seg && rval == QLA_SUCCESS) {
4764 risc_addr = *seg;
4765 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4766 risc_size = be16_to_cpu(fwcode[3]);
4767
4768 /* Validate firmware image size. */
4769 fwclen += risc_size * sizeof(uint16_t);
4770 if (blob->fw->size < fwclen) {
4771 ql_log(ql_log_fatal, vha, 0x0088,
4772 "Unable to verify integrity of firmware image "
4773 "(%Zd).\n", blob->fw->size);
4774 goto fail_fw_integrity;
4775 }
4776
4777 fragment = 0;
4778 while (risc_size > 0 && rval == QLA_SUCCESS) {
4779 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4780 if (wlen > risc_size)
4781 wlen = risc_size;
4782 ql_dbg(ql_dbg_init, vha, 0x0089,
4783 "Loading risc segment@ risc addr %x number of "
4784 "words 0x%x.\n", risc_addr, wlen);
4785
4786 for (i = 0; i < wlen; i++)
4787 wcode[i] = swab16(fwcode[i]);
4788
4789 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4790 wlen);
4791 if (rval) {
4792 ql_log(ql_log_fatal, vha, 0x008a,
4793 "Failed to load segment %d of firmware.\n",
4794 fragment);
4795 break;
4796 }
4797
4798 fwcode += wlen;
4799 risc_addr += wlen;
4800 risc_size -= wlen;
4801 fragment++;
4802 }
4803
4804 /* Next segment. */
4805 seg++;
4806 }
4807 return rval;
4808
4809 fail_fw_integrity:
4810 return QLA_FUNCTION_FAILED;
4811 }
4812
4813 static int
4814 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4815 {
4816 int rval;
4817 int segments, fragment;
4818 uint32_t *dcode, dlen;
4819 uint32_t risc_addr;
4820 uint32_t risc_size;
4821 uint32_t i;
4822 struct fw_blob *blob;
4823 uint32_t *fwcode, fwclen;
4824 struct qla_hw_data *ha = vha->hw;
4825 struct req_que *req = ha->req_q_map[0];
4826
4827 /* Load firmware blob. */
4828 blob = qla2x00_request_firmware(vha);
4829 if (!blob) {
4830 ql_log(ql_log_warn, vha, 0x0090,
4831 "Fimware image unavailable.\n");
4832 ql_log(ql_log_warn, vha, 0x0091,
4833 "Firmware images can be retrieved from: "
4834 QLA_FW_URL ".\n");
4835
4836 return QLA_FUNCTION_FAILED;
4837 }
4838
4839 ql_log(ql_log_info, vha, 0x0092,
4840 "Loading via request-firmware.\n");
4841
4842 rval = QLA_SUCCESS;
4843
4844 segments = FA_RISC_CODE_SEGMENTS;
4845 dcode = (uint32_t *)req->ring;
4846 *srisc_addr = 0;
4847 fwcode = (uint32_t *)blob->fw->data;
4848 fwclen = 0;
4849
4850 /* Validate firmware image by checking version. */
4851 if (blob->fw->size < 8 * sizeof(uint32_t)) {
4852 ql_log(ql_log_fatal, vha, 0x0093,
4853 "Unable to verify integrity of firmware image (%Zd).\n",
4854 blob->fw->size);
4855 goto fail_fw_integrity;
4856 }
4857 for (i = 0; i < 4; i++)
4858 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4859 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4860 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4861 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4862 dcode[3] == 0)) {
4863 ql_log(ql_log_fatal, vha, 0x0094,
4864 "Unable to verify integrity of firmware image (%Zd).\n",
4865 blob->fw->size);
4866 ql_log(ql_log_fatal, vha, 0x0095,
4867 "Firmware data: %08x %08x %08x %08x.\n",
4868 dcode[0], dcode[1], dcode[2], dcode[3]);
4869 goto fail_fw_integrity;
4870 }
4871
4872 while (segments && rval == QLA_SUCCESS) {
4873 risc_addr = be32_to_cpu(fwcode[2]);
4874 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4875 risc_size = be32_to_cpu(fwcode[3]);
4876
4877 /* Validate firmware image size. */
4878 fwclen += risc_size * sizeof(uint32_t);
4879 if (blob->fw->size < fwclen) {
4880 ql_log(ql_log_fatal, vha, 0x0096,
4881 "Unable to verify integrity of firmware image "
4882 "(%Zd).\n", blob->fw->size);
4883
4884 goto fail_fw_integrity;
4885 }
4886
4887 fragment = 0;
4888 while (risc_size > 0 && rval == QLA_SUCCESS) {
4889 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4890 if (dlen > risc_size)
4891 dlen = risc_size;
4892
4893 ql_dbg(ql_dbg_init, vha, 0x0097,
4894 "Loading risc segment@ risc addr %x "
4895 "number of dwords 0x%x.\n", risc_addr, dlen);
4896
4897 for (i = 0; i < dlen; i++)
4898 dcode[i] = swab32(fwcode[i]);
4899
4900 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4901 dlen);
4902 if (rval) {
4903 ql_log(ql_log_fatal, vha, 0x0098,
4904 "Failed to load segment %d of firmware.\n",
4905 fragment);
4906 break;
4907 }
4908
4909 fwcode += dlen;
4910 risc_addr += dlen;
4911 risc_size -= dlen;
4912 fragment++;
4913 }
4914
4915 /* Next segment. */
4916 segments--;
4917 }
4918 return rval;
4919
4920 fail_fw_integrity:
4921 return QLA_FUNCTION_FAILED;
4922 }
4923
4924 int
4925 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4926 {
4927 int rval;
4928
4929 if (ql2xfwloadbin == 1)
4930 return qla81xx_load_risc(vha, srisc_addr);
4931
4932 /*
4933 * FW Load priority:
4934 * 1) Firmware via request-firmware interface (.bin file).
4935 * 2) Firmware residing in flash.
4936 */
4937 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4938 if (rval == QLA_SUCCESS)
4939 return rval;
4940
4941 return qla24xx_load_risc_flash(vha, srisc_addr,
4942 vha->hw->flt_region_fw);
4943 }
4944
4945 int
4946 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4947 {
4948 int rval;
4949 struct qla_hw_data *ha = vha->hw;
4950
4951 if (ql2xfwloadbin == 2)
4952 goto try_blob_fw;
4953
4954 /*
4955 * FW Load priority:
4956 * 1) Firmware residing in flash.
4957 * 2) Firmware via request-firmware interface (.bin file).
4958 * 3) Golden-Firmware residing in flash -- limited operation.
4959 */
4960 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4961 if (rval == QLA_SUCCESS)
4962 return rval;
4963
4964 try_blob_fw:
4965 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4966 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4967 return rval;
4968
4969 ql_log(ql_log_info, vha, 0x0099,
4970 "Attempting to fallback to golden firmware.\n");
4971 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4972 if (rval != QLA_SUCCESS)
4973 return rval;
4974
4975 ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
4976 ha->flags.running_gold_fw = 1;
4977
4978 return rval;
4979 }
4980
4981 void
4982 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4983 {
4984 int ret, retries;
4985 struct qla_hw_data *ha = vha->hw;
4986
4987 if (ha->flags.pci_channel_io_perm_failure)
4988 return;
4989 if (!IS_FWI2_CAPABLE(ha))
4990 return;
4991 if (!ha->fw_major_version)
4992 return;
4993
4994 ret = qla2x00_stop_firmware(vha);
4995 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4996 ret != QLA_INVALID_COMMAND && retries ; retries--) {
4997 ha->isp_ops->reset_chip(vha);
4998 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4999 continue;
5000 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5001 continue;
5002 ql_log(ql_log_info, vha, 0x8015,
5003 "Attempting retry of stop-firmware command.\n");
5004 ret = qla2x00_stop_firmware(vha);
5005 }
5006 }
5007
5008 int
5009 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5010 {
5011 int rval = QLA_SUCCESS;
5012 uint16_t mb[MAILBOX_REGISTER_COUNT];
5013 struct qla_hw_data *ha = vha->hw;
5014 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5015 struct req_que *req;
5016 struct rsp_que *rsp;
5017
5018 if (!vha->vp_idx)
5019 return -EINVAL;
5020
5021 rval = qla2x00_fw_ready(base_vha);
5022 if (ha->flags.cpu_affinity_enabled)
5023 req = ha->req_q_map[0];
5024 else
5025 req = vha->req;
5026 rsp = req->rsp;
5027
5028 if (rval == QLA_SUCCESS) {
5029 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5030 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5031 }
5032
5033 vha->flags.management_server_logged_in = 0;
5034
5035 /* Login to SNS first */
5036 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
5037 if (mb[0] != MBS_COMMAND_COMPLETE) {
5038 ql_dbg(ql_dbg_init, vha, 0x0103,
5039 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
5040 "mb[6]=%x mb[7]=%x.\n",
5041 NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5042 return (QLA_FUNCTION_FAILED);
5043 }
5044
5045 atomic_set(&vha->loop_down_timer, 0);
5046 atomic_set(&vha->loop_state, LOOP_UP);
5047 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5048 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5049 rval = qla2x00_loop_resync(base_vha);
5050
5051 return rval;
5052 }
5053
5054 /* 84XX Support **************************************************************/
5055
5056 static LIST_HEAD(qla_cs84xx_list);
5057 static DEFINE_MUTEX(qla_cs84xx_mutex);
5058
5059 static struct qla_chip_state_84xx *
5060 qla84xx_get_chip(struct scsi_qla_host *vha)
5061 {
5062 struct qla_chip_state_84xx *cs84xx;
5063 struct qla_hw_data *ha = vha->hw;
5064
5065 mutex_lock(&qla_cs84xx_mutex);
5066
5067 /* Find any shared 84xx chip. */
5068 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5069 if (cs84xx->bus == ha->pdev->bus) {
5070 kref_get(&cs84xx->kref);
5071 goto done;
5072 }
5073 }
5074
5075 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5076 if (!cs84xx)
5077 goto done;
5078
5079 kref_init(&cs84xx->kref);
5080 spin_lock_init(&cs84xx->access_lock);
5081 mutex_init(&cs84xx->fw_update_mutex);
5082 cs84xx->bus = ha->pdev->bus;
5083
5084 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5085 done:
5086 mutex_unlock(&qla_cs84xx_mutex);
5087 return cs84xx;
5088 }
5089
5090 static void
5091 __qla84xx_chip_release(struct kref *kref)
5092 {
5093 struct qla_chip_state_84xx *cs84xx =
5094 container_of(kref, struct qla_chip_state_84xx, kref);
5095
5096 mutex_lock(&qla_cs84xx_mutex);
5097 list_del(&cs84xx->list);
5098 mutex_unlock(&qla_cs84xx_mutex);
5099 kfree(cs84xx);
5100 }
5101
5102 void
5103 qla84xx_put_chip(struct scsi_qla_host *vha)
5104 {
5105 struct qla_hw_data *ha = vha->hw;
5106 if (ha->cs84xx)
5107 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5108 }
5109
5110 static int
5111 qla84xx_init_chip(scsi_qla_host_t *vha)
5112 {
5113 int rval;
5114 uint16_t status[2];
5115 struct qla_hw_data *ha = vha->hw;
5116
5117 mutex_lock(&ha->cs84xx->fw_update_mutex);
5118
5119 rval = qla84xx_verify_chip(vha, status);
5120
5121 mutex_unlock(&ha->cs84xx->fw_update_mutex);
5122
5123 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5124 QLA_SUCCESS;
5125 }
5126
5127 /* 81XX Support **************************************************************/
5128
5129 int
5130 qla81xx_nvram_config(scsi_qla_host_t *vha)
5131 {
5132 int rval;
5133 struct init_cb_81xx *icb;
5134 struct nvram_81xx *nv;
5135 uint32_t *dptr;
5136 uint8_t *dptr1, *dptr2;
5137 uint32_t chksum;
5138 uint16_t cnt;
5139 struct qla_hw_data *ha = vha->hw;
5140
5141 rval = QLA_SUCCESS;
5142 icb = (struct init_cb_81xx *)ha->init_cb;
5143 nv = ha->nvram;
5144
5145 /* Determine NVRAM starting address. */
5146 ha->nvram_size = sizeof(struct nvram_81xx);
5147 ha->vpd_size = FA_NVRAM_VPD_SIZE;
5148
5149 /* Get VPD data into cache */
5150 ha->vpd = ha->nvram + VPD_OFFSET;
5151 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5152 ha->vpd_size);
5153
5154 /* Get NVRAM data into cache and calculate checksum. */
5155 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5156 ha->nvram_size);
5157 dptr = (uint32_t *)nv;
5158 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5159 chksum += le32_to_cpu(*dptr++);
5160
5161 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5162 "Contents of NVRAM:\n");
5163 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5164 (uint8_t *)nv, ha->nvram_size);
5165
5166 /* Bad NVRAM data, set defaults parameters. */
5167 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5168 || nv->id[3] != ' ' ||
5169 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5170 /* Reset NVRAM data. */
5171 ql_log(ql_log_info, vha, 0x0073,
5172 "Inconisistent NVRAM detected: checksum=0x%x id=%c "
5173 "version=0x%x.\n", chksum, nv->id[0],
5174 le16_to_cpu(nv->nvram_version));
5175 ql_log(ql_log_info, vha, 0x0074,
5176 "Falling back to functioning (yet invalid -- WWPN) "
5177 "defaults.\n");
5178
5179 /*
5180 * Set default initialization control block.
5181 */
5182 memset(nv, 0, ha->nvram_size);
5183 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5184 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5185 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5186 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5187 nv->exchange_count = __constant_cpu_to_le16(0);
5188 nv->port_name[0] = 0x21;
5189 nv->port_name[1] = 0x00 + ha->port_no;
5190 nv->port_name[2] = 0x00;
5191 nv->port_name[3] = 0xe0;
5192 nv->port_name[4] = 0x8b;
5193 nv->port_name[5] = 0x1c;
5194 nv->port_name[6] = 0x55;
5195 nv->port_name[7] = 0x86;
5196 nv->node_name[0] = 0x20;
5197 nv->node_name[1] = 0x00;
5198 nv->node_name[2] = 0x00;
5199 nv->node_name[3] = 0xe0;
5200 nv->node_name[4] = 0x8b;
5201 nv->node_name[5] = 0x1c;
5202 nv->node_name[6] = 0x55;
5203 nv->node_name[7] = 0x86;
5204 nv->login_retry_count = __constant_cpu_to_le16(8);
5205 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5206 nv->login_timeout = __constant_cpu_to_le16(0);
5207 nv->firmware_options_1 =
5208 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5209 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5210 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5211 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5212 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5213 nv->efi_parameters = __constant_cpu_to_le32(0);
5214 nv->reset_delay = 5;
5215 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5216 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5217 nv->link_down_timeout = __constant_cpu_to_le16(30);
5218 nv->enode_mac[0] = 0x00;
5219 nv->enode_mac[1] = 0x02;
5220 nv->enode_mac[2] = 0x03;
5221 nv->enode_mac[3] = 0x04;
5222 nv->enode_mac[4] = 0x05;
5223 nv->enode_mac[5] = 0x06 + ha->port_no;
5224
5225 rval = 1;
5226 }
5227
5228 /* Reset Initialization control block */
5229 memset(icb, 0, ha->init_cb_size);
5230
5231 /* Copy 1st segment. */
5232 dptr1 = (uint8_t *)icb;
5233 dptr2 = (uint8_t *)&nv->version;
5234 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5235 while (cnt--)
5236 *dptr1++ = *dptr2++;
5237
5238 icb->login_retry_count = nv->login_retry_count;
5239
5240 /* Copy 2nd segment. */
5241 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5242 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5243 cnt = (uint8_t *)&icb->reserved_5 -
5244 (uint8_t *)&icb->interrupt_delay_timer;
5245 while (cnt--)
5246 *dptr1++ = *dptr2++;
5247
5248 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5249 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5250 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5251 icb->enode_mac[0] = 0x01;
5252 icb->enode_mac[1] = 0x02;
5253 icb->enode_mac[2] = 0x03;
5254 icb->enode_mac[3] = 0x04;
5255 icb->enode_mac[4] = 0x05;
5256 icb->enode_mac[5] = 0x06 + ha->port_no;
5257 }
5258
5259 /* Use extended-initialization control block. */
5260 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5261
5262 /*
5263 * Setup driver NVRAM options.
5264 */
5265 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5266 "QLE8XXX");
5267
5268 /* Use alternate WWN? */
5269 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5270 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5271 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5272 }
5273
5274 /* Prepare nodename */
5275 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5276 /*
5277 * Firmware will apply the following mask if the nodename was
5278 * not provided.
5279 */
5280 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5281 icb->node_name[0] &= 0xF0;
5282 }
5283
5284 /* Set host adapter parameters. */
5285 ha->flags.disable_risc_code_load = 0;
5286 ha->flags.enable_lip_reset = 0;
5287 ha->flags.enable_lip_full_login =
5288 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5289 ha->flags.enable_target_reset =
5290 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5291 ha->flags.enable_led_scheme = 0;
5292 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5293
5294 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5295 (BIT_6 | BIT_5 | BIT_4)) >> 4;
5296
5297 /* save HBA serial number */
5298 ha->serial0 = icb->port_name[5];
5299 ha->serial1 = icb->port_name[6];
5300 ha->serial2 = icb->port_name[7];
5301 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5302 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5303
5304 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5305
5306 ha->retry_count = le16_to_cpu(nv->login_retry_count);
5307
5308 /* Set minimum login_timeout to 4 seconds. */
5309 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5310 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5311 if (le16_to_cpu(nv->login_timeout) < 4)
5312 nv->login_timeout = __constant_cpu_to_le16(4);
5313 ha->login_timeout = le16_to_cpu(nv->login_timeout);
5314 icb->login_timeout = nv->login_timeout;
5315
5316 /* Set minimum RATOV to 100 tenths of a second. */
5317 ha->r_a_tov = 100;
5318
5319 ha->loop_reset_delay = nv->reset_delay;
5320
5321 /* Link Down Timeout = 0:
5322 *
5323 * When Port Down timer expires we will start returning
5324 * I/O's to OS with "DID_NO_CONNECT".
5325 *
5326 * Link Down Timeout != 0:
5327 *
5328 * The driver waits for the link to come up after link down
5329 * before returning I/Os to OS with "DID_NO_CONNECT".
5330 */
5331 if (le16_to_cpu(nv->link_down_timeout) == 0) {
5332 ha->loop_down_abort_time =
5333 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5334 } else {
5335 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5336 ha->loop_down_abort_time =
5337 (LOOP_DOWN_TIME - ha->link_down_timeout);
5338 }
5339
5340 /* Need enough time to try and get the port back. */
5341 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5342 if (qlport_down_retry)
5343 ha->port_down_retry_count = qlport_down_retry;
5344
5345 /* Set login_retry_count */
5346 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
5347 if (ha->port_down_retry_count ==
5348 le16_to_cpu(nv->port_down_retry_count) &&
5349 ha->port_down_retry_count > 3)
5350 ha->login_retry_count = ha->port_down_retry_count;
5351 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5352 ha->login_retry_count = ha->port_down_retry_count;
5353 if (ql2xloginretrycount)
5354 ha->login_retry_count = ql2xloginretrycount;
5355
5356 /* Enable ZIO. */
5357 if (!vha->flags.init_done) {
5358 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5359 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5360 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5361 le16_to_cpu(icb->interrupt_delay_timer): 2;
5362 }
5363 icb->firmware_options_2 &= __constant_cpu_to_le32(
5364 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5365 vha->flags.process_response_queue = 0;
5366 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5367 ha->zio_mode = QLA_ZIO_MODE_6;
5368
5369 ql_log(ql_log_info, vha, 0x0075,
5370 "ZIO mode %d enabled; timer delay (%d us).\n",
5371 ha->zio_mode,
5372 ha->zio_timer * 100);
5373
5374 icb->firmware_options_2 |= cpu_to_le32(
5375 (uint32_t)ha->zio_mode);
5376 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5377 vha->flags.process_response_queue = 1;
5378 }
5379
5380 if (rval) {
5381 ql_log(ql_log_warn, vha, 0x0076,
5382 "NVRAM configuration failed.\n");
5383 }
5384 return (rval);
5385 }
5386
5387 int
5388 qla82xx_restart_isp(scsi_qla_host_t *vha)
5389 {
5390 int status, rval;
5391 uint32_t wait_time;
5392 struct qla_hw_data *ha = vha->hw;
5393 struct req_que *req = ha->req_q_map[0];
5394 struct rsp_que *rsp = ha->rsp_q_map[0];
5395 struct scsi_qla_host *vp;
5396 unsigned long flags;
5397
5398 status = qla2x00_init_rings(vha);
5399 if (!status) {
5400 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5401 ha->flags.chip_reset_done = 1;
5402
5403 status = qla2x00_fw_ready(vha);
5404 if (!status) {
5405 ql_log(ql_log_info, vha, 0x803c,
5406 "Start configure loop, status =%d.\n", status);
5407
5408 /* Issue a marker after FW becomes ready. */
5409 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5410
5411 vha->flags.online = 1;
5412 /* Wait at most MAX_TARGET RSCNs for a stable link. */
5413 wait_time = 256;
5414 do {
5415 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5416 qla2x00_configure_loop(vha);
5417 wait_time--;
5418 } while (!atomic_read(&vha->loop_down_timer) &&
5419 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5420 wait_time &&
5421 (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5422 }
5423
5424 /* if no cable then assume it's good */
5425 if ((vha->device_flags & DFLG_NO_CABLE))
5426 status = 0;
5427
5428 ql_log(ql_log_info, vha, 0x803d,
5429 "Configure loop done, status = 0x%x.\n", status);
5430 }
5431
5432 if (!status) {
5433 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5434
5435 if (!atomic_read(&vha->loop_down_timer)) {
5436 /*
5437 * Issue marker command only when we are going
5438 * to start the I/O .
5439 */
5440 vha->marker_needed = 1;
5441 }
5442
5443 vha->flags.online = 1;
5444
5445 ha->isp_ops->enable_intrs(ha);
5446
5447 ha->isp_abort_cnt = 0;
5448 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5449
5450 /* Update the firmware version */
5451 status = qla82xx_check_md_needed(vha);
5452
5453 if (ha->fce) {
5454 ha->flags.fce_enabled = 1;
5455 memset(ha->fce, 0,
5456 fce_calc_size(ha->fce_bufs));
5457 rval = qla2x00_enable_fce_trace(vha,
5458 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5459 &ha->fce_bufs);
5460 if (rval) {
5461 ql_log(ql_log_warn, vha, 0x803e,
5462 "Unable to reinitialize FCE (%d).\n",
5463 rval);
5464 ha->flags.fce_enabled = 0;
5465 }
5466 }
5467
5468 if (ha->eft) {
5469 memset(ha->eft, 0, EFT_SIZE);
5470 rval = qla2x00_enable_eft_trace(vha,
5471 ha->eft_dma, EFT_NUM_BUFFERS);
5472 if (rval) {
5473 ql_log(ql_log_warn, vha, 0x803f,
5474 "Unable to reinitialize EFT (%d).\n",
5475 rval);
5476 }
5477 }
5478 }
5479
5480 if (!status) {
5481 ql_dbg(ql_dbg_taskm, vha, 0x8040,
5482 "qla82xx_restart_isp succeeded.\n");
5483
5484 spin_lock_irqsave(&ha->vport_slock, flags);
5485 list_for_each_entry(vp, &ha->vp_list, list) {
5486 if (vp->vp_idx) {
5487 atomic_inc(&vp->vref_count);
5488 spin_unlock_irqrestore(&ha->vport_slock, flags);
5489
5490 qla2x00_vp_abort_isp(vp);
5491
5492 spin_lock_irqsave(&ha->vport_slock, flags);
5493 atomic_dec(&vp->vref_count);
5494 }
5495 }
5496 spin_unlock_irqrestore(&ha->vport_slock, flags);
5497
5498 } else {
5499 ql_log(ql_log_warn, vha, 0x8041,
5500 "qla82xx_restart_isp **** FAILED ****.\n");
5501 }
5502
5503 return status;
5504 }
5505
5506 void
5507 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5508 {
5509 struct qla_hw_data *ha = vha->hw;
5510
5511 if (!ql2xetsenable)
5512 return;
5513
5514 /* Enable ETS Burst. */
5515 memset(ha->fw_options, 0, sizeof(ha->fw_options));
5516 ha->fw_options[2] |= BIT_9;
5517 qla2x00_set_fw_options(vha, ha->fw_options);
5518 }
5519
5520 /*
5521 * qla24xx_get_fcp_prio
5522 * Gets the fcp cmd priority value for the logged in port.
5523 * Looks for a match of the port descriptors within
5524 * each of the fcp prio config entries. If a match is found,
5525 * the tag (priority) value is returned.
5526 *
5527 * Input:
5528 * vha = scsi host structure pointer.
5529 * fcport = port structure pointer.
5530 *
5531 * Return:
5532 * non-zero (if found)
5533 * -1 (if not found)
5534 *
5535 * Context:
5536 * Kernel context
5537 */
5538 static int
5539 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5540 {
5541 int i, entries;
5542 uint8_t pid_match, wwn_match;
5543 int priority;
5544 uint32_t pid1, pid2;
5545 uint64_t wwn1, wwn2;
5546 struct qla_fcp_prio_entry *pri_entry;
5547 struct qla_hw_data *ha = vha->hw;
5548
5549 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5550 return -1;
5551
5552 priority = -1;
5553 entries = ha->fcp_prio_cfg->num_entries;
5554 pri_entry = &ha->fcp_prio_cfg->entry[0];
5555
5556 for (i = 0; i < entries; i++) {
5557 pid_match = wwn_match = 0;
5558
5559 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5560 pri_entry++;
5561 continue;
5562 }
5563
5564 /* check source pid for a match */
5565 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5566 pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5567 pid2 = vha->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 destination pid for a match */
5575 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5576 pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5577 pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5578 if (pid1 == INVALID_PORT_ID)
5579 pid_match++;
5580 else if (pid1 == pid2)
5581 pid_match++;
5582 }
5583
5584 /* check source WWN for a match */
5585 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5586 wwn1 = wwn_to_u64(vha->port_name);
5587 wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5588 if (wwn2 == (uint64_t)-1)
5589 wwn_match++;
5590 else if (wwn1 == wwn2)
5591 wwn_match++;
5592 }
5593
5594 /* check destination WWN for a match */
5595 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5596 wwn1 = wwn_to_u64(fcport->port_name);
5597 wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5598 if (wwn2 == (uint64_t)-1)
5599 wwn_match++;
5600 else if (wwn1 == wwn2)
5601 wwn_match++;
5602 }
5603
5604 if (pid_match == 2 || wwn_match == 2) {
5605 /* Found a matching entry */
5606 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5607 priority = pri_entry->tag;
5608 break;
5609 }
5610
5611 pri_entry++;
5612 }
5613
5614 return priority;
5615 }
5616
5617 /*
5618 * qla24xx_update_fcport_fcp_prio
5619 * Activates fcp priority for the logged in fc port
5620 *
5621 * Input:
5622 * vha = scsi host structure pointer.
5623 * fcp = port structure pointer.
5624 *
5625 * Return:
5626 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5627 *
5628 * Context:
5629 * Kernel context.
5630 */
5631 int
5632 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5633 {
5634 int ret;
5635 int priority;
5636 uint16_t mb[5];
5637
5638 if (fcport->port_type != FCT_TARGET ||
5639 fcport->loop_id == FC_NO_LOOP_ID)
5640 return QLA_FUNCTION_FAILED;
5641
5642 priority = qla24xx_get_fcp_prio(vha, fcport);
5643 if (priority < 0)
5644 return QLA_FUNCTION_FAILED;
5645
5646 ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
5647 if (ret == QLA_SUCCESS)
5648 fcport->fcp_prio = priority;
5649 else
5650 ql_dbg(ql_dbg_user, vha, 0x704f,
5651 "Unable to activate fcp priority, ret=0x%x.\n", ret);
5652
5653 return ret;
5654 }
5655
5656 /*
5657 * qla24xx_update_all_fcp_prio
5658 * Activates fcp priority for all the logged in ports
5659 *
5660 * Input:
5661 * ha = adapter block pointer.
5662 *
5663 * Return:
5664 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5665 *
5666 * Context:
5667 * Kernel context.
5668 */
5669 int
5670 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5671 {
5672 int ret;
5673 fc_port_t *fcport;
5674
5675 ret = QLA_FUNCTION_FAILED;
5676 /* We need to set priority for all logged in ports */
5677 list_for_each_entry(fcport, &vha->vp_fcports, list)
5678 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5679
5680 return ret;
5681 }
Linux with added FPC-III support