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[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / scsi / qla2xxx / qla_init.c
blobb706cfa3483e3f42a4678f12eea70aad7ce287cf
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2010 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8 #include "qla_gbl.h"
10 #include <linux/delay.h>
11 #include <linux/slab.h>
12 #include <linux/vmalloc.h>
14 #include "qla_devtbl.h"
16 #ifdef CONFIG_SPARC
17 #include <asm/prom.h>
18 #endif
21 * QLogic ISP2x00 Hardware Support Function Prototypes.
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 *);
36 static int qla2x00_restart_isp(scsi_qla_host_t *);
38 static int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
40 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
41 static int qla84xx_init_chip(scsi_qla_host_t *);
42 static int qla25xx_init_queues(struct qla_hw_data *);
44 /* SRB Extensions ---------------------------------------------------------- */
46 static void
47 qla2x00_ctx_sp_timeout(unsigned long __data)
49 srb_t *sp = (srb_t *)__data;
50 struct srb_ctx *ctx;
51 struct srb_iocb *iocb;
52 fc_port_t *fcport = sp->fcport;
53 struct qla_hw_data *ha = fcport->vha->hw;
54 struct req_que *req;
55 unsigned long flags;
57 spin_lock_irqsave(&ha->hardware_lock, flags);
58 req = ha->req_q_map[0];
59 req->outstanding_cmds[sp->handle] = NULL;
60 ctx = sp->ctx;
61 iocb = ctx->u.iocb_cmd;
62 iocb->timeout(sp);
63 iocb->free(sp);
64 spin_unlock_irqrestore(&ha->hardware_lock, flags);
67 static void
68 qla2x00_ctx_sp_free(srb_t *sp)
70 struct srb_ctx *ctx = sp->ctx;
71 struct srb_iocb *iocb = ctx->u.iocb_cmd;
72 struct scsi_qla_host *vha = sp->fcport->vha;
74 del_timer_sync(&iocb->timer);
75 kfree(iocb);
76 kfree(ctx);
77 mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
79 QLA_VHA_MARK_NOT_BUSY(vha);
82 inline srb_t *
83 qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
84 unsigned long tmo)
86 srb_t *sp = NULL;
87 struct qla_hw_data *ha = vha->hw;
88 struct srb_ctx *ctx;
89 struct srb_iocb *iocb;
90 uint8_t bail;
92 QLA_VHA_MARK_BUSY(vha, bail);
93 if (bail)
94 return NULL;
96 sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
97 if (!sp)
98 goto done;
99 ctx = kzalloc(size, GFP_KERNEL);
100 if (!ctx) {
101 mempool_free(sp, ha->srb_mempool);
102 sp = NULL;
103 goto done;
105 iocb = kzalloc(sizeof(struct srb_iocb), GFP_KERNEL);
106 if (!iocb) {
107 mempool_free(sp, ha->srb_mempool);
108 sp = NULL;
109 kfree(ctx);
110 goto done;
113 memset(sp, 0, sizeof(*sp));
114 sp->fcport = fcport;
115 sp->ctx = ctx;
116 ctx->u.iocb_cmd = iocb;
117 iocb->free = qla2x00_ctx_sp_free;
119 init_timer(&iocb->timer);
120 if (!tmo)
121 goto done;
122 iocb->timer.expires = jiffies + tmo * HZ;
123 iocb->timer.data = (unsigned long)sp;
124 iocb->timer.function = qla2x00_ctx_sp_timeout;
125 add_timer(&iocb->timer);
126 done:
127 if (!sp)
128 QLA_VHA_MARK_NOT_BUSY(vha);
129 return sp;
132 /* Asynchronous Login/Logout Routines -------------------------------------- */
134 static inline unsigned long
135 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
137 unsigned long tmo;
138 struct qla_hw_data *ha = vha->hw;
140 /* Firmware should use switch negotiated r_a_tov for timeout. */
141 tmo = ha->r_a_tov / 10 * 2;
142 if (!IS_FWI2_CAPABLE(ha)) {
144 * Except for earlier ISPs where the timeout is seeded from the
145 * initialization control block.
147 tmo = ha->login_timeout;
149 return tmo;
152 static void
153 qla2x00_async_iocb_timeout(srb_t *sp)
155 fc_port_t *fcport = sp->fcport;
156 struct srb_ctx *ctx = sp->ctx;
158 DEBUG2(printk(KERN_WARNING
159 "scsi(%ld:%x): Async-%s timeout - portid=%02x%02x%02x.\n",
160 fcport->vha->host_no, sp->handle,
161 ctx->name, fcport->d_id.b.domain,
162 fcport->d_id.b.area, fcport->d_id.b.al_pa));
164 fcport->flags &= ~FCF_ASYNC_SENT;
165 if (ctx->type == SRB_LOGIN_CMD) {
166 struct srb_iocb *lio = ctx->u.iocb_cmd;
167 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
168 /* Retry as needed. */
169 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
170 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
171 QLA_LOGIO_LOGIN_RETRIED : 0;
172 qla2x00_post_async_login_done_work(fcport->vha, fcport,
173 lio->u.logio.data);
177 static void
178 qla2x00_async_login_ctx_done(srb_t *sp)
180 struct srb_ctx *ctx = sp->ctx;
181 struct srb_iocb *lio = ctx->u.iocb_cmd;
183 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
184 lio->u.logio.data);
185 lio->free(sp);
189 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
190 uint16_t *data)
192 srb_t *sp;
193 struct srb_ctx *ctx;
194 struct srb_iocb *lio;
195 int rval;
197 rval = QLA_FUNCTION_FAILED;
198 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
199 qla2x00_get_async_timeout(vha) + 2);
200 if (!sp)
201 goto done;
203 ctx = sp->ctx;
204 ctx->type = SRB_LOGIN_CMD;
205 ctx->name = "login";
206 lio = ctx->u.iocb_cmd;
207 lio->timeout = qla2x00_async_iocb_timeout;
208 lio->done = qla2x00_async_login_ctx_done;
209 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
210 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
211 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
212 rval = qla2x00_start_sp(sp);
213 if (rval != QLA_SUCCESS)
214 goto done_free_sp;
216 DEBUG2(printk(KERN_DEBUG
217 "scsi(%ld:%x): Async-login - loop-id=%x portid=%02x%02x%02x "
218 "retries=%d.\n", fcport->vha->host_no, sp->handle, fcport->loop_id,
219 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
220 fcport->login_retry));
221 return rval;
223 done_free_sp:
224 lio->free(sp);
225 done:
226 return rval;
229 static void
230 qla2x00_async_logout_ctx_done(srb_t *sp)
232 struct srb_ctx *ctx = sp->ctx;
233 struct srb_iocb *lio = ctx->u.iocb_cmd;
235 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
236 lio->u.logio.data);
237 lio->free(sp);
241 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
243 srb_t *sp;
244 struct srb_ctx *ctx;
245 struct srb_iocb *lio;
246 int rval;
248 rval = QLA_FUNCTION_FAILED;
249 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
250 qla2x00_get_async_timeout(vha) + 2);
251 if (!sp)
252 goto done;
254 ctx = sp->ctx;
255 ctx->type = SRB_LOGOUT_CMD;
256 ctx->name = "logout";
257 lio = ctx->u.iocb_cmd;
258 lio->timeout = qla2x00_async_iocb_timeout;
259 lio->done = qla2x00_async_logout_ctx_done;
260 rval = qla2x00_start_sp(sp);
261 if (rval != QLA_SUCCESS)
262 goto done_free_sp;
264 DEBUG2(printk(KERN_DEBUG
265 "scsi(%ld:%x): Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
266 fcport->vha->host_no, sp->handle, fcport->loop_id,
267 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
268 return rval;
270 done_free_sp:
271 lio->free(sp);
272 done:
273 return rval;
276 static void
277 qla2x00_async_adisc_ctx_done(srb_t *sp)
279 struct srb_ctx *ctx = sp->ctx;
280 struct srb_iocb *lio = ctx->u.iocb_cmd;
282 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
283 lio->u.logio.data);
284 lio->free(sp);
288 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
289 uint16_t *data)
291 srb_t *sp;
292 struct srb_ctx *ctx;
293 struct srb_iocb *lio;
294 int rval;
296 rval = QLA_FUNCTION_FAILED;
297 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
298 qla2x00_get_async_timeout(vha) + 2);
299 if (!sp)
300 goto done;
302 ctx = sp->ctx;
303 ctx->type = SRB_ADISC_CMD;
304 ctx->name = "adisc";
305 lio = ctx->u.iocb_cmd;
306 lio->timeout = qla2x00_async_iocb_timeout;
307 lio->done = qla2x00_async_adisc_ctx_done;
308 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
309 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
310 rval = qla2x00_start_sp(sp);
311 if (rval != QLA_SUCCESS)
312 goto done_free_sp;
314 DEBUG2(printk(KERN_DEBUG
315 "scsi(%ld:%x): Async-adisc - loop-id=%x portid=%02x%02x%02x.\n",
316 fcport->vha->host_no, sp->handle, fcport->loop_id,
317 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
319 return rval;
321 done_free_sp:
322 lio->free(sp);
323 done:
324 return rval;
327 static void
328 qla2x00_async_tm_cmd_ctx_done(srb_t *sp)
330 struct srb_ctx *ctx = sp->ctx;
331 struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
333 qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb);
334 iocb->free(sp);
338 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
339 uint32_t tag)
341 struct scsi_qla_host *vha = fcport->vha;
342 srb_t *sp;
343 struct srb_ctx *ctx;
344 struct srb_iocb *tcf;
345 int rval;
347 rval = QLA_FUNCTION_FAILED;
348 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
349 qla2x00_get_async_timeout(vha) + 2);
350 if (!sp)
351 goto done;
353 ctx = sp->ctx;
354 ctx->type = SRB_TM_CMD;
355 ctx->name = "tmf";
356 tcf = ctx->u.iocb_cmd;
357 tcf->u.tmf.flags = flags;
358 tcf->u.tmf.lun = lun;
359 tcf->u.tmf.data = tag;
360 tcf->timeout = qla2x00_async_iocb_timeout;
361 tcf->done = qla2x00_async_tm_cmd_ctx_done;
363 rval = qla2x00_start_sp(sp);
364 if (rval != QLA_SUCCESS)
365 goto done_free_sp;
367 DEBUG2(printk(KERN_DEBUG
368 "scsi(%ld:%x): Async-tmf - loop-id=%x portid=%02x%02x%02x.\n",
369 fcport->vha->host_no, sp->handle, fcport->loop_id,
370 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
372 return rval;
374 done_free_sp:
375 tcf->free(sp);
376 done:
377 return rval;
380 void
381 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
382 uint16_t *data)
384 int rval;
386 switch (data[0]) {
387 case MBS_COMMAND_COMPLETE:
388 if (fcport->flags & FCF_FCP2_DEVICE) {
389 fcport->flags |= FCF_ASYNC_SENT;
390 qla2x00_post_async_adisc_work(vha, fcport, data);
391 break;
393 qla2x00_update_fcport(vha, fcport);
394 break;
395 case MBS_COMMAND_ERROR:
396 fcport->flags &= ~FCF_ASYNC_SENT;
397 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
398 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
399 else
400 qla2x00_mark_device_lost(vha, fcport, 1, 1);
401 break;
402 case MBS_PORT_ID_USED:
403 fcport->loop_id = data[1];
404 qla2x00_post_async_logout_work(vha, fcport, NULL);
405 qla2x00_post_async_login_work(vha, fcport, NULL);
406 break;
407 case MBS_LOOP_ID_USED:
408 fcport->loop_id++;
409 rval = qla2x00_find_new_loop_id(vha, fcport);
410 if (rval != QLA_SUCCESS) {
411 fcport->flags &= ~FCF_ASYNC_SENT;
412 qla2x00_mark_device_lost(vha, fcport, 1, 1);
413 break;
415 qla2x00_post_async_login_work(vha, fcport, NULL);
416 break;
418 return;
421 void
422 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
423 uint16_t *data)
425 qla2x00_mark_device_lost(vha, fcport, 1, 0);
426 return;
429 void
430 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
431 uint16_t *data)
433 if (data[0] == MBS_COMMAND_COMPLETE) {
434 qla2x00_update_fcport(vha, fcport);
436 return;
439 /* Retry login. */
440 fcport->flags &= ~FCF_ASYNC_SENT;
441 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
442 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
443 else
444 qla2x00_mark_device_lost(vha, fcport, 1, 1);
446 return;
449 void
450 qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport,
451 struct srb_iocb *iocb)
453 int rval;
454 uint32_t flags;
455 uint16_t lun;
457 flags = iocb->u.tmf.flags;
458 lun = (uint16_t)iocb->u.tmf.lun;
460 /* Issue Marker IOCB */
461 rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
462 vha->hw->rsp_q_map[0], fcport->loop_id, lun,
463 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
465 if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
466 DEBUG2_3_11(printk(KERN_WARNING
467 "%s(%ld): TM IOCB failed (%x).\n",
468 __func__, vha->host_no, rval));
471 return;
474 /****************************************************************************/
475 /* QLogic ISP2x00 Hardware Support Functions. */
476 /****************************************************************************/
479 * qla2x00_initialize_adapter
480 * Initialize board.
482 * Input:
483 * ha = adapter block pointer.
485 * Returns:
486 * 0 = success
489 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
491 int rval;
492 struct qla_hw_data *ha = vha->hw;
493 struct req_que *req = ha->req_q_map[0];
495 /* Clear adapter flags. */
496 vha->flags.online = 0;
497 ha->flags.chip_reset_done = 0;
498 vha->flags.reset_active = 0;
499 ha->flags.pci_channel_io_perm_failure = 0;
500 ha->flags.eeh_busy = 0;
501 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
502 atomic_set(&vha->loop_state, LOOP_DOWN);
503 vha->device_flags = DFLG_NO_CABLE;
504 vha->dpc_flags = 0;
505 vha->flags.management_server_logged_in = 0;
506 vha->marker_needed = 0;
507 ha->isp_abort_cnt = 0;
508 ha->beacon_blink_led = 0;
510 set_bit(0, ha->req_qid_map);
511 set_bit(0, ha->rsp_qid_map);
513 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
514 rval = ha->isp_ops->pci_config(vha);
515 if (rval) {
516 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
517 vha->host_no));
518 return (rval);
521 ha->isp_ops->reset_chip(vha);
523 rval = qla2xxx_get_flash_info(vha);
524 if (rval) {
525 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
526 vha->host_no));
527 return (rval);
530 ha->isp_ops->get_flash_version(vha, req->ring);
532 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
534 ha->isp_ops->nvram_config(vha);
536 if (ha->flags.disable_serdes) {
537 /* Mask HBA via NVRAM settings? */
538 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
539 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
540 vha->port_name[0], vha->port_name[1],
541 vha->port_name[2], vha->port_name[3],
542 vha->port_name[4], vha->port_name[5],
543 vha->port_name[6], vha->port_name[7]);
544 return QLA_FUNCTION_FAILED;
547 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
549 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
550 rval = ha->isp_ops->chip_diag(vha);
551 if (rval)
552 return (rval);
553 rval = qla2x00_setup_chip(vha);
554 if (rval)
555 return (rval);
558 if (IS_QLA84XX(ha)) {
559 ha->cs84xx = qla84xx_get_chip(vha);
560 if (!ha->cs84xx) {
561 qla_printk(KERN_ERR, ha,
562 "Unable to configure ISP84XX.\n");
563 return QLA_FUNCTION_FAILED;
566 rval = qla2x00_init_rings(vha);
567 ha->flags.chip_reset_done = 1;
569 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
570 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
571 rval = qla84xx_init_chip(vha);
572 if (rval != QLA_SUCCESS) {
573 qla_printk(KERN_ERR, ha,
574 "Unable to initialize ISP84XX.\n");
575 qla84xx_put_chip(vha);
579 if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
580 qla24xx_read_fcp_prio_cfg(vha);
582 return (rval);
586 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
587 * @ha: HA context
589 * Returns 0 on success.
592 qla2100_pci_config(scsi_qla_host_t *vha)
594 uint16_t w;
595 unsigned long flags;
596 struct qla_hw_data *ha = vha->hw;
597 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
599 pci_set_master(ha->pdev);
600 pci_try_set_mwi(ha->pdev);
602 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
603 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
604 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
606 pci_disable_rom(ha->pdev);
608 /* Get PCI bus information. */
609 spin_lock_irqsave(&ha->hardware_lock, flags);
610 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
611 spin_unlock_irqrestore(&ha->hardware_lock, flags);
613 return QLA_SUCCESS;
617 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
618 * @ha: HA context
620 * Returns 0 on success.
623 qla2300_pci_config(scsi_qla_host_t *vha)
625 uint16_t w;
626 unsigned long flags = 0;
627 uint32_t cnt;
628 struct qla_hw_data *ha = vha->hw;
629 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
631 pci_set_master(ha->pdev);
632 pci_try_set_mwi(ha->pdev);
634 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
635 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
637 if (IS_QLA2322(ha) || IS_QLA6322(ha))
638 w &= ~PCI_COMMAND_INTX_DISABLE;
639 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
642 * If this is a 2300 card and not 2312, reset the
643 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
644 * the 2310 also reports itself as a 2300 so we need to get the
645 * fb revision level -- a 6 indicates it really is a 2300 and
646 * not a 2310.
648 if (IS_QLA2300(ha)) {
649 spin_lock_irqsave(&ha->hardware_lock, flags);
651 /* Pause RISC. */
652 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
653 for (cnt = 0; cnt < 30000; cnt++) {
654 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
655 break;
657 udelay(10);
660 /* Select FPM registers. */
661 WRT_REG_WORD(&reg->ctrl_status, 0x20);
662 RD_REG_WORD(&reg->ctrl_status);
664 /* Get the fb rev level */
665 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
667 if (ha->fb_rev == FPM_2300)
668 pci_clear_mwi(ha->pdev);
670 /* Deselect FPM registers. */
671 WRT_REG_WORD(&reg->ctrl_status, 0x0);
672 RD_REG_WORD(&reg->ctrl_status);
674 /* Release RISC module. */
675 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
676 for (cnt = 0; cnt < 30000; cnt++) {
677 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
678 break;
680 udelay(10);
683 spin_unlock_irqrestore(&ha->hardware_lock, flags);
686 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
688 pci_disable_rom(ha->pdev);
690 /* Get PCI bus information. */
691 spin_lock_irqsave(&ha->hardware_lock, flags);
692 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
693 spin_unlock_irqrestore(&ha->hardware_lock, flags);
695 return QLA_SUCCESS;
699 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
700 * @ha: HA context
702 * Returns 0 on success.
705 qla24xx_pci_config(scsi_qla_host_t *vha)
707 uint16_t w;
708 unsigned long flags = 0;
709 struct qla_hw_data *ha = vha->hw;
710 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
712 pci_set_master(ha->pdev);
713 pci_try_set_mwi(ha->pdev);
715 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
716 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
717 w &= ~PCI_COMMAND_INTX_DISABLE;
718 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
720 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
722 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
723 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
724 pcix_set_mmrbc(ha->pdev, 2048);
726 /* PCIe -- adjust Maximum Read Request Size (2048). */
727 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
728 pcie_set_readrq(ha->pdev, 2048);
730 pci_disable_rom(ha->pdev);
732 ha->chip_revision = ha->pdev->revision;
734 /* Get PCI bus information. */
735 spin_lock_irqsave(&ha->hardware_lock, flags);
736 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
737 spin_unlock_irqrestore(&ha->hardware_lock, flags);
739 return QLA_SUCCESS;
743 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
744 * @ha: HA context
746 * Returns 0 on success.
749 qla25xx_pci_config(scsi_qla_host_t *vha)
751 uint16_t w;
752 struct qla_hw_data *ha = vha->hw;
754 pci_set_master(ha->pdev);
755 pci_try_set_mwi(ha->pdev);
757 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
758 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
759 w &= ~PCI_COMMAND_INTX_DISABLE;
760 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
762 /* PCIe -- adjust Maximum Read Request Size (2048). */
763 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
764 pcie_set_readrq(ha->pdev, 2048);
766 pci_disable_rom(ha->pdev);
768 ha->chip_revision = ha->pdev->revision;
770 return QLA_SUCCESS;
774 * qla2x00_isp_firmware() - Choose firmware image.
775 * @ha: HA context
777 * Returns 0 on success.
779 static int
780 qla2x00_isp_firmware(scsi_qla_host_t *vha)
782 int rval;
783 uint16_t loop_id, topo, sw_cap;
784 uint8_t domain, area, al_pa;
785 struct qla_hw_data *ha = vha->hw;
787 /* Assume loading risc code */
788 rval = QLA_FUNCTION_FAILED;
790 if (ha->flags.disable_risc_code_load) {
791 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
792 vha->host_no));
793 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
795 /* Verify checksum of loaded RISC code. */
796 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
797 if (rval == QLA_SUCCESS) {
798 /* And, verify we are not in ROM code. */
799 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
800 &area, &domain, &topo, &sw_cap);
804 if (rval) {
805 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
806 vha->host_no));
809 return (rval);
813 * qla2x00_reset_chip() - Reset ISP chip.
814 * @ha: HA context
816 * Returns 0 on success.
818 void
819 qla2x00_reset_chip(scsi_qla_host_t *vha)
821 unsigned long flags = 0;
822 struct qla_hw_data *ha = vha->hw;
823 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
824 uint32_t cnt;
825 uint16_t cmd;
827 if (unlikely(pci_channel_offline(ha->pdev)))
828 return;
830 ha->isp_ops->disable_intrs(ha);
832 spin_lock_irqsave(&ha->hardware_lock, flags);
834 /* Turn off master enable */
835 cmd = 0;
836 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
837 cmd &= ~PCI_COMMAND_MASTER;
838 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
840 if (!IS_QLA2100(ha)) {
841 /* Pause RISC. */
842 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
843 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
844 for (cnt = 0; cnt < 30000; cnt++) {
845 if ((RD_REG_WORD(&reg->hccr) &
846 HCCR_RISC_PAUSE) != 0)
847 break;
848 udelay(100);
850 } else {
851 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
852 udelay(10);
855 /* Select FPM registers. */
856 WRT_REG_WORD(&reg->ctrl_status, 0x20);
857 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
859 /* FPM Soft Reset. */
860 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
861 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
863 /* Toggle Fpm Reset. */
864 if (!IS_QLA2200(ha)) {
865 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
866 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
869 /* Select frame buffer registers. */
870 WRT_REG_WORD(&reg->ctrl_status, 0x10);
871 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
873 /* Reset frame buffer FIFOs. */
874 if (IS_QLA2200(ha)) {
875 WRT_FB_CMD_REG(ha, reg, 0xa000);
876 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
877 } else {
878 WRT_FB_CMD_REG(ha, reg, 0x00fc);
880 /* Read back fb_cmd until zero or 3 seconds max */
881 for (cnt = 0; cnt < 3000; cnt++) {
882 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
883 break;
884 udelay(100);
888 /* Select RISC module registers. */
889 WRT_REG_WORD(&reg->ctrl_status, 0);
890 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
892 /* Reset RISC processor. */
893 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
894 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
896 /* Release RISC processor. */
897 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
898 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
901 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
902 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
904 /* Reset ISP chip. */
905 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
907 /* Wait for RISC to recover from reset. */
908 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
910 * It is necessary to for a delay here since the card doesn't
911 * respond to PCI reads during a reset. On some architectures
912 * this will result in an MCA.
914 udelay(20);
915 for (cnt = 30000; cnt; cnt--) {
916 if ((RD_REG_WORD(&reg->ctrl_status) &
917 CSR_ISP_SOFT_RESET) == 0)
918 break;
919 udelay(100);
921 } else
922 udelay(10);
924 /* Reset RISC processor. */
925 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
927 WRT_REG_WORD(&reg->semaphore, 0);
929 /* Release RISC processor. */
930 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
931 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
933 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
934 for (cnt = 0; cnt < 30000; cnt++) {
935 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
936 break;
938 udelay(100);
940 } else
941 udelay(100);
943 /* Turn on master enable */
944 cmd |= PCI_COMMAND_MASTER;
945 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
947 /* Disable RISC pause on FPM parity error. */
948 if (!IS_QLA2100(ha)) {
949 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
950 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
953 spin_unlock_irqrestore(&ha->hardware_lock, flags);
957 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
958 * @ha: HA context
960 * Returns 0 on success.
962 static inline void
963 qla24xx_reset_risc(scsi_qla_host_t *vha)
965 unsigned long flags = 0;
966 struct qla_hw_data *ha = vha->hw;
967 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
968 uint32_t cnt, d2;
969 uint16_t wd;
971 spin_lock_irqsave(&ha->hardware_lock, flags);
973 /* Reset RISC. */
974 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
975 for (cnt = 0; cnt < 30000; cnt++) {
976 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
977 break;
979 udelay(10);
982 WRT_REG_DWORD(&reg->ctrl_status,
983 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
984 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
986 udelay(100);
987 /* Wait for firmware to complete NVRAM accesses. */
988 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
989 for (cnt = 10000 ; cnt && d2; cnt--) {
990 udelay(5);
991 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
992 barrier();
995 /* Wait for soft-reset to complete. */
996 d2 = RD_REG_DWORD(&reg->ctrl_status);
997 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
998 udelay(5);
999 d2 = RD_REG_DWORD(&reg->ctrl_status);
1000 barrier();
1003 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1004 RD_REG_DWORD(&reg->hccr);
1006 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1007 RD_REG_DWORD(&reg->hccr);
1009 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1010 RD_REG_DWORD(&reg->hccr);
1012 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1013 for (cnt = 6000000 ; cnt && d2; cnt--) {
1014 udelay(5);
1015 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1016 barrier();
1019 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1021 if (IS_NOPOLLING_TYPE(ha))
1022 ha->isp_ops->enable_intrs(ha);
1026 * qla24xx_reset_chip() - Reset ISP24xx chip.
1027 * @ha: HA context
1029 * Returns 0 on success.
1031 void
1032 qla24xx_reset_chip(scsi_qla_host_t *vha)
1034 struct qla_hw_data *ha = vha->hw;
1036 if (pci_channel_offline(ha->pdev) &&
1037 ha->flags.pci_channel_io_perm_failure) {
1038 return;
1041 ha->isp_ops->disable_intrs(ha);
1043 /* Perform RISC reset. */
1044 qla24xx_reset_risc(vha);
1048 * qla2x00_chip_diag() - Test chip for proper operation.
1049 * @ha: HA context
1051 * Returns 0 on success.
1054 qla2x00_chip_diag(scsi_qla_host_t *vha)
1056 int rval;
1057 struct qla_hw_data *ha = vha->hw;
1058 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1059 unsigned long flags = 0;
1060 uint16_t data;
1061 uint32_t cnt;
1062 uint16_t mb[5];
1063 struct req_que *req = ha->req_q_map[0];
1065 /* Assume a failed state */
1066 rval = QLA_FUNCTION_FAILED;
1068 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
1069 vha->host_no, (u_long)&reg->flash_address));
1071 spin_lock_irqsave(&ha->hardware_lock, flags);
1073 /* Reset ISP chip. */
1074 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1077 * We need to have a delay here since the card will not respond while
1078 * in reset causing an MCA on some architectures.
1080 udelay(20);
1081 data = qla2x00_debounce_register(&reg->ctrl_status);
1082 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1083 udelay(5);
1084 data = RD_REG_WORD(&reg->ctrl_status);
1085 barrier();
1088 if (!cnt)
1089 goto chip_diag_failed;
1091 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
1092 vha->host_no));
1094 /* Reset RISC processor. */
1095 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1096 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1098 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1099 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1100 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1101 udelay(5);
1102 data = RD_MAILBOX_REG(ha, reg, 0);
1103 barrier();
1105 } else
1106 udelay(10);
1108 if (!cnt)
1109 goto chip_diag_failed;
1111 /* Check product ID of chip */
1112 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
1114 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1115 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1116 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1117 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1118 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1119 mb[3] != PROD_ID_3) {
1120 qla_printk(KERN_WARNING, ha,
1121 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
1123 goto chip_diag_failed;
1125 ha->product_id[0] = mb[1];
1126 ha->product_id[1] = mb[2];
1127 ha->product_id[2] = mb[3];
1128 ha->product_id[3] = mb[4];
1130 /* Adjust fw RISC transfer size */
1131 if (req->length > 1024)
1132 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1133 else
1134 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1135 req->length;
1137 if (IS_QLA2200(ha) &&
1138 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1139 /* Limit firmware transfer size with a 2200A */
1140 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
1141 vha->host_no));
1143 ha->device_type |= DT_ISP2200A;
1144 ha->fw_transfer_size = 128;
1147 /* Wrap Incoming Mailboxes Test. */
1148 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1150 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
1151 rval = qla2x00_mbx_reg_test(vha);
1152 if (rval) {
1153 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1154 vha->host_no));
1155 qla_printk(KERN_WARNING, ha,
1156 "Failed mailbox send register test\n");
1158 else {
1159 /* Flag a successful rval */
1160 rval = QLA_SUCCESS;
1162 spin_lock_irqsave(&ha->hardware_lock, flags);
1164 chip_diag_failed:
1165 if (rval)
1166 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
1167 "****\n", vha->host_no));
1169 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1171 return (rval);
1175 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1176 * @ha: HA context
1178 * Returns 0 on success.
1181 qla24xx_chip_diag(scsi_qla_host_t *vha)
1183 int rval;
1184 struct qla_hw_data *ha = vha->hw;
1185 struct req_que *req = ha->req_q_map[0];
1187 if (IS_QLA82XX(ha))
1188 return QLA_SUCCESS;
1190 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1192 rval = qla2x00_mbx_reg_test(vha);
1193 if (rval) {
1194 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1195 vha->host_no));
1196 qla_printk(KERN_WARNING, ha,
1197 "Failed mailbox send register test\n");
1198 } else {
1199 /* Flag a successful rval */
1200 rval = QLA_SUCCESS;
1203 return rval;
1206 void
1207 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1209 int rval;
1210 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1211 eft_size, fce_size, mq_size;
1212 dma_addr_t tc_dma;
1213 void *tc;
1214 struct qla_hw_data *ha = vha->hw;
1215 struct req_que *req = ha->req_q_map[0];
1216 struct rsp_que *rsp = ha->rsp_q_map[0];
1218 if (ha->fw_dump) {
1219 qla_printk(KERN_WARNING, ha,
1220 "Firmware dump previously allocated.\n");
1221 return;
1224 ha->fw_dumped = 0;
1225 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1226 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1227 fixed_size = sizeof(struct qla2100_fw_dump);
1228 } else if (IS_QLA23XX(ha)) {
1229 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1230 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1231 sizeof(uint16_t);
1232 } else if (IS_FWI2_CAPABLE(ha)) {
1233 if (IS_QLA81XX(ha))
1234 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1235 else if (IS_QLA25XX(ha))
1236 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1237 else
1238 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1239 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1240 sizeof(uint32_t);
1241 if (ha->mqenable)
1242 mq_size = sizeof(struct qla2xxx_mq_chain);
1243 /* Allocate memory for Fibre Channel Event Buffer. */
1244 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1245 goto try_eft;
1247 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1248 GFP_KERNEL);
1249 if (!tc) {
1250 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1251 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
1252 goto try_eft;
1255 memset(tc, 0, FCE_SIZE);
1256 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1257 ha->fce_mb, &ha->fce_bufs);
1258 if (rval) {
1259 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1260 "FCE (%d).\n", rval);
1261 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1262 tc_dma);
1263 ha->flags.fce_enabled = 0;
1264 goto try_eft;
1267 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1268 FCE_SIZE / 1024);
1270 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1271 ha->flags.fce_enabled = 1;
1272 ha->fce_dma = tc_dma;
1273 ha->fce = tc;
1274 try_eft:
1275 /* Allocate memory for Extended Trace Buffer. */
1276 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1277 GFP_KERNEL);
1278 if (!tc) {
1279 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1280 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1281 goto cont_alloc;
1284 memset(tc, 0, EFT_SIZE);
1285 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1286 if (rval) {
1287 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1288 "EFT (%d).\n", rval);
1289 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1290 tc_dma);
1291 goto cont_alloc;
1294 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1295 EFT_SIZE / 1024);
1297 eft_size = EFT_SIZE;
1298 ha->eft_dma = tc_dma;
1299 ha->eft = tc;
1301 cont_alloc:
1302 req_q_size = req->length * sizeof(request_t);
1303 rsp_q_size = rsp->length * sizeof(response_t);
1305 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1306 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1307 ha->chain_offset = dump_size;
1308 dump_size += mq_size + fce_size;
1310 ha->fw_dump = vmalloc(dump_size);
1311 if (!ha->fw_dump) {
1312 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1313 "firmware dump!!!\n", dump_size / 1024);
1315 if (ha->eft) {
1316 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1317 ha->eft_dma);
1318 ha->eft = NULL;
1319 ha->eft_dma = 0;
1321 return;
1323 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1324 dump_size / 1024);
1326 ha->fw_dump_len = dump_size;
1327 ha->fw_dump->signature[0] = 'Q';
1328 ha->fw_dump->signature[1] = 'L';
1329 ha->fw_dump->signature[2] = 'G';
1330 ha->fw_dump->signature[3] = 'C';
1331 ha->fw_dump->version = __constant_htonl(1);
1333 ha->fw_dump->fixed_size = htonl(fixed_size);
1334 ha->fw_dump->mem_size = htonl(mem_size);
1335 ha->fw_dump->req_q_size = htonl(req_q_size);
1336 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1338 ha->fw_dump->eft_size = htonl(eft_size);
1339 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1340 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1342 ha->fw_dump->header_size =
1343 htonl(offsetof(struct qla2xxx_fw_dump, isp));
1346 static int
1347 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1349 #define MPS_MASK 0xe0
1350 int rval;
1351 uint16_t dc;
1352 uint32_t dw;
1353 struct qla_hw_data *ha = vha->hw;
1355 if (!IS_QLA81XX(vha->hw))
1356 return QLA_SUCCESS;
1358 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1359 if (rval != QLA_SUCCESS) {
1360 DEBUG2(qla_printk(KERN_WARNING, ha,
1361 "Sync-MPI: Unable to acquire semaphore.\n"));
1362 goto done;
1365 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1366 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1367 if (rval != QLA_SUCCESS) {
1368 DEBUG2(qla_printk(KERN_WARNING, ha,
1369 "Sync-MPI: Unable to read sync.\n"));
1370 goto done_release;
1373 dc &= MPS_MASK;
1374 if (dc == (dw & MPS_MASK))
1375 goto done_release;
1377 dw &= ~MPS_MASK;
1378 dw |= dc;
1379 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1380 if (rval != QLA_SUCCESS) {
1381 DEBUG2(qla_printk(KERN_WARNING, ha,
1382 "Sync-MPI: Unable to gain sync.\n"));
1385 done_release:
1386 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1387 if (rval != QLA_SUCCESS) {
1388 DEBUG2(qla_printk(KERN_WARNING, ha,
1389 "Sync-MPI: Unable to release semaphore.\n"));
1392 done:
1393 return rval;
1397 * qla2x00_setup_chip() - Load and start RISC firmware.
1398 * @ha: HA context
1400 * Returns 0 on success.
1402 static int
1403 qla2x00_setup_chip(scsi_qla_host_t *vha)
1405 int rval;
1406 uint32_t srisc_address = 0;
1407 struct qla_hw_data *ha = vha->hw;
1408 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1409 unsigned long flags;
1410 uint16_t fw_major_version;
1412 if (IS_QLA82XX(ha)) {
1413 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1414 if (rval == QLA_SUCCESS) {
1415 qla2x00_stop_firmware(vha);
1416 goto enable_82xx_npiv;
1417 } else
1418 goto failed;
1421 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1422 /* Disable SRAM, Instruction RAM and GP RAM parity. */
1423 spin_lock_irqsave(&ha->hardware_lock, flags);
1424 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1425 RD_REG_WORD(&reg->hccr);
1426 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1429 qla81xx_mpi_sync(vha);
1431 /* Load firmware sequences */
1432 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1433 if (rval == QLA_SUCCESS) {
1434 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1435 "code.\n", vha->host_no));
1437 rval = qla2x00_verify_checksum(vha, srisc_address);
1438 if (rval == QLA_SUCCESS) {
1439 /* Start firmware execution. */
1440 DEBUG(printk("scsi(%ld): Checksum OK, start "
1441 "firmware.\n", vha->host_no));
1443 rval = qla2x00_execute_fw(vha, srisc_address);
1444 /* Retrieve firmware information. */
1445 if (rval == QLA_SUCCESS) {
1446 enable_82xx_npiv:
1447 fw_major_version = ha->fw_major_version;
1448 rval = qla2x00_get_fw_version(vha,
1449 &ha->fw_major_version,
1450 &ha->fw_minor_version,
1451 &ha->fw_subminor_version,
1452 &ha->fw_attributes, &ha->fw_memory_size,
1453 ha->mpi_version, &ha->mpi_capabilities,
1454 ha->phy_version);
1455 if (rval != QLA_SUCCESS)
1456 goto failed;
1457 ha->flags.npiv_supported = 0;
1458 if (IS_QLA2XXX_MIDTYPE(ha) &&
1459 (ha->fw_attributes & BIT_2)) {
1460 ha->flags.npiv_supported = 1;
1461 if ((!ha->max_npiv_vports) ||
1462 ((ha->max_npiv_vports + 1) %
1463 MIN_MULTI_ID_FABRIC))
1464 ha->max_npiv_vports =
1465 MIN_MULTI_ID_FABRIC - 1;
1467 qla2x00_get_resource_cnts(vha, NULL,
1468 &ha->fw_xcb_count, NULL, NULL,
1469 &ha->max_npiv_vports, NULL);
1471 if (!fw_major_version && ql2xallocfwdump) {
1472 if (!IS_QLA82XX(ha))
1473 qla2x00_alloc_fw_dump(vha);
1476 } else {
1477 DEBUG2(printk(KERN_INFO
1478 "scsi(%ld): ISP Firmware failed checksum.\n",
1479 vha->host_no));
1483 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1484 /* Enable proper parity. */
1485 spin_lock_irqsave(&ha->hardware_lock, flags);
1486 if (IS_QLA2300(ha))
1487 /* SRAM parity */
1488 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1489 else
1490 /* SRAM, Instruction RAM and GP RAM parity */
1491 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1492 RD_REG_WORD(&reg->hccr);
1493 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1496 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1497 uint32_t size;
1499 rval = qla81xx_fac_get_sector_size(vha, &size);
1500 if (rval == QLA_SUCCESS) {
1501 ha->flags.fac_supported = 1;
1502 ha->fdt_block_size = size << 2;
1503 } else {
1504 qla_printk(KERN_ERR, ha,
1505 "Unsupported FAC firmware (%d.%02d.%02d).\n",
1506 ha->fw_major_version, ha->fw_minor_version,
1507 ha->fw_subminor_version);
1510 failed:
1511 if (rval) {
1512 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1513 vha->host_no));
1516 return (rval);
1520 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1521 * @ha: HA context
1523 * Beginning of request ring has initialization control block already built
1524 * by nvram config routine.
1526 * Returns 0 on success.
1528 void
1529 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1531 uint16_t cnt;
1532 response_t *pkt;
1534 rsp->ring_ptr = rsp->ring;
1535 rsp->ring_index = 0;
1536 rsp->status_srb = NULL;
1537 pkt = rsp->ring_ptr;
1538 for (cnt = 0; cnt < rsp->length; cnt++) {
1539 pkt->signature = RESPONSE_PROCESSED;
1540 pkt++;
1545 * qla2x00_update_fw_options() - Read and process firmware options.
1546 * @ha: HA context
1548 * Returns 0 on success.
1550 void
1551 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1553 uint16_t swing, emphasis, tx_sens, rx_sens;
1554 struct qla_hw_data *ha = vha->hw;
1556 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1557 qla2x00_get_fw_options(vha, ha->fw_options);
1559 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1560 return;
1562 /* Serial Link options. */
1563 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1564 vha->host_no));
1565 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1566 sizeof(ha->fw_seriallink_options)));
1568 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1569 if (ha->fw_seriallink_options[3] & BIT_2) {
1570 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1572 /* 1G settings */
1573 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1574 emphasis = (ha->fw_seriallink_options[2] &
1575 (BIT_4 | BIT_3)) >> 3;
1576 tx_sens = ha->fw_seriallink_options[0] &
1577 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1578 rx_sens = (ha->fw_seriallink_options[0] &
1579 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1580 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1581 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1582 if (rx_sens == 0x0)
1583 rx_sens = 0x3;
1584 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1585 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1586 ha->fw_options[10] |= BIT_5 |
1587 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1588 (tx_sens & (BIT_1 | BIT_0));
1590 /* 2G settings */
1591 swing = (ha->fw_seriallink_options[2] &
1592 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1593 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1594 tx_sens = ha->fw_seriallink_options[1] &
1595 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1596 rx_sens = (ha->fw_seriallink_options[1] &
1597 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1598 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1599 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1600 if (rx_sens == 0x0)
1601 rx_sens = 0x3;
1602 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1603 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1604 ha->fw_options[11] |= BIT_5 |
1605 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1606 (tx_sens & (BIT_1 | BIT_0));
1609 /* FCP2 options. */
1610 /* Return command IOCBs without waiting for an ABTS to complete. */
1611 ha->fw_options[3] |= BIT_13;
1613 /* LED scheme. */
1614 if (ha->flags.enable_led_scheme)
1615 ha->fw_options[2] |= BIT_12;
1617 /* Detect ISP6312. */
1618 if (IS_QLA6312(ha))
1619 ha->fw_options[2] |= BIT_13;
1621 /* Update firmware options. */
1622 qla2x00_set_fw_options(vha, ha->fw_options);
1625 void
1626 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1628 int rval;
1629 struct qla_hw_data *ha = vha->hw;
1631 if (IS_QLA82XX(ha))
1632 return;
1634 /* Update Serial Link options. */
1635 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1636 return;
1638 rval = qla2x00_set_serdes_params(vha,
1639 le16_to_cpu(ha->fw_seriallink_options24[1]),
1640 le16_to_cpu(ha->fw_seriallink_options24[2]),
1641 le16_to_cpu(ha->fw_seriallink_options24[3]));
1642 if (rval != QLA_SUCCESS) {
1643 qla_printk(KERN_WARNING, ha,
1644 "Unable to update Serial Link options (%x).\n", rval);
1648 void
1649 qla2x00_config_rings(struct scsi_qla_host *vha)
1651 struct qla_hw_data *ha = vha->hw;
1652 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1653 struct req_que *req = ha->req_q_map[0];
1654 struct rsp_que *rsp = ha->rsp_q_map[0];
1656 /* Setup ring parameters in initialization control block. */
1657 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1658 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1659 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1660 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1661 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1662 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1663 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1664 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1666 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1667 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1668 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1669 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1670 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1673 void
1674 qla24xx_config_rings(struct scsi_qla_host *vha)
1676 struct qla_hw_data *ha = vha->hw;
1677 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1678 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1679 struct qla_msix_entry *msix;
1680 struct init_cb_24xx *icb;
1681 uint16_t rid = 0;
1682 struct req_que *req = ha->req_q_map[0];
1683 struct rsp_que *rsp = ha->rsp_q_map[0];
1685 /* Setup ring parameters in initialization control block. */
1686 icb = (struct init_cb_24xx *)ha->init_cb;
1687 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1688 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1689 icb->request_q_length = cpu_to_le16(req->length);
1690 icb->response_q_length = cpu_to_le16(rsp->length);
1691 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1692 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1693 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1694 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1696 if (ha->mqenable) {
1697 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1698 icb->rid = __constant_cpu_to_le16(rid);
1699 if (ha->flags.msix_enabled) {
1700 msix = &ha->msix_entries[1];
1701 DEBUG2_17(printk(KERN_INFO
1702 "Registering vector 0x%x for base que\n", msix->entry));
1703 icb->msix = cpu_to_le16(msix->entry);
1705 /* Use alternate PCI bus number */
1706 if (MSB(rid))
1707 icb->firmware_options_2 |=
1708 __constant_cpu_to_le32(BIT_19);
1709 /* Use alternate PCI devfn */
1710 if (LSB(rid))
1711 icb->firmware_options_2 |=
1712 __constant_cpu_to_le32(BIT_18);
1714 /* Use Disable MSIX Handshake mode for capable adapters */
1715 if (IS_MSIX_NACK_CAPABLE(ha)) {
1716 icb->firmware_options_2 &=
1717 __constant_cpu_to_le32(~BIT_22);
1718 ha->flags.disable_msix_handshake = 1;
1719 qla_printk(KERN_INFO, ha,
1720 "MSIX Handshake Disable Mode turned on\n");
1721 } else {
1722 icb->firmware_options_2 |=
1723 __constant_cpu_to_le32(BIT_22);
1725 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1727 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1728 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1729 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1730 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1731 } else {
1732 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1733 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1734 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1735 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1737 /* PCI posting */
1738 RD_REG_DWORD(&ioreg->hccr);
1742 * qla2x00_init_rings() - Initializes firmware.
1743 * @ha: HA context
1745 * Beginning of request ring has initialization control block already built
1746 * by nvram config routine.
1748 * Returns 0 on success.
1750 static int
1751 qla2x00_init_rings(scsi_qla_host_t *vha)
1753 int rval;
1754 unsigned long flags = 0;
1755 int cnt, que;
1756 struct qla_hw_data *ha = vha->hw;
1757 struct req_que *req;
1758 struct rsp_que *rsp;
1759 struct scsi_qla_host *vp;
1760 struct mid_init_cb_24xx *mid_init_cb =
1761 (struct mid_init_cb_24xx *) ha->init_cb;
1763 spin_lock_irqsave(&ha->hardware_lock, flags);
1765 /* Clear outstanding commands array. */
1766 for (que = 0; que < ha->max_req_queues; que++) {
1767 req = ha->req_q_map[que];
1768 if (!req)
1769 continue;
1770 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1771 req->outstanding_cmds[cnt] = NULL;
1773 req->current_outstanding_cmd = 1;
1775 /* Initialize firmware. */
1776 req->ring_ptr = req->ring;
1777 req->ring_index = 0;
1778 req->cnt = req->length;
1781 for (que = 0; que < ha->max_rsp_queues; que++) {
1782 rsp = ha->rsp_q_map[que];
1783 if (!rsp)
1784 continue;
1785 /* Initialize response queue entries */
1786 qla2x00_init_response_q_entries(rsp);
1789 spin_lock_irqsave(&ha->vport_slock, flags);
1790 /* Clear RSCN queue. */
1791 list_for_each_entry(vp, &ha->vp_list, list) {
1792 vp->rscn_in_ptr = 0;
1793 vp->rscn_out_ptr = 0;
1796 spin_unlock_irqrestore(&ha->vport_slock, flags);
1798 ha->isp_ops->config_rings(vha);
1800 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1802 /* Update any ISP specific firmware options before initialization. */
1803 ha->isp_ops->update_fw_options(vha);
1805 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1807 if (ha->flags.npiv_supported) {
1808 if (ha->operating_mode == LOOP)
1809 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1810 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1813 if (IS_FWI2_CAPABLE(ha)) {
1814 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1815 mid_init_cb->init_cb.execution_throttle =
1816 cpu_to_le16(ha->fw_xcb_count);
1819 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1820 if (rval) {
1821 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1822 vha->host_no));
1823 } else {
1824 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1825 vha->host_no));
1828 return (rval);
1832 * qla2x00_fw_ready() - Waits for firmware ready.
1833 * @ha: HA context
1835 * Returns 0 on success.
1837 static int
1838 qla2x00_fw_ready(scsi_qla_host_t *vha)
1840 int rval;
1841 unsigned long wtime, mtime, cs84xx_time;
1842 uint16_t min_wait; /* Minimum wait time if loop is down */
1843 uint16_t wait_time; /* Wait time if loop is coming ready */
1844 uint16_t state[5];
1845 struct qla_hw_data *ha = vha->hw;
1847 rval = QLA_SUCCESS;
1849 /* 20 seconds for loop down. */
1850 min_wait = 20;
1853 * Firmware should take at most one RATOV to login, plus 5 seconds for
1854 * our own processing.
1856 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1857 wait_time = min_wait;
1860 /* Min wait time if loop down */
1861 mtime = jiffies + (min_wait * HZ);
1863 /* wait time before firmware ready */
1864 wtime = jiffies + (wait_time * HZ);
1866 /* Wait for ISP to finish LIP */
1867 if (!vha->flags.init_done)
1868 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1870 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1871 vha->host_no));
1873 do {
1874 rval = qla2x00_get_firmware_state(vha, state);
1875 if (rval == QLA_SUCCESS) {
1876 if (state[0] < FSTATE_LOSS_OF_SYNC) {
1877 vha->device_flags &= ~DFLG_NO_CABLE;
1879 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1880 DEBUG16(printk("scsi(%ld): fw_state=%x "
1881 "84xx=%x.\n", vha->host_no, state[0],
1882 state[2]));
1883 if ((state[2] & FSTATE_LOGGED_IN) &&
1884 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1885 DEBUG16(printk("scsi(%ld): Sending "
1886 "verify iocb.\n", vha->host_no));
1888 cs84xx_time = jiffies;
1889 rval = qla84xx_init_chip(vha);
1890 if (rval != QLA_SUCCESS)
1891 break;
1893 /* Add time taken to initialize. */
1894 cs84xx_time = jiffies - cs84xx_time;
1895 wtime += cs84xx_time;
1896 mtime += cs84xx_time;
1897 DEBUG16(printk("scsi(%ld): Increasing "
1898 "wait time by %ld. New time %ld\n",
1899 vha->host_no, cs84xx_time, wtime));
1901 } else if (state[0] == FSTATE_READY) {
1902 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1903 vha->host_no));
1905 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1906 &ha->login_timeout, &ha->r_a_tov);
1908 rval = QLA_SUCCESS;
1909 break;
1912 rval = QLA_FUNCTION_FAILED;
1914 if (atomic_read(&vha->loop_down_timer) &&
1915 state[0] != FSTATE_READY) {
1916 /* Loop down. Timeout on min_wait for states
1917 * other than Wait for Login.
1919 if (time_after_eq(jiffies, mtime)) {
1920 qla_printk(KERN_INFO, ha,
1921 "Cable is unplugged...\n");
1923 vha->device_flags |= DFLG_NO_CABLE;
1924 break;
1927 } else {
1928 /* Mailbox cmd failed. Timeout on min_wait. */
1929 if (time_after_eq(jiffies, mtime) ||
1930 (IS_QLA82XX(ha) && ha->flags.fw_hung))
1931 break;
1934 if (time_after_eq(jiffies, wtime))
1935 break;
1937 /* Delay for a while */
1938 msleep(500);
1940 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1941 vha->host_no, state[0], jiffies));
1942 } while (1);
1944 DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1945 vha->host_no, state[0], state[1], state[2], state[3], state[4],
1946 jiffies));
1948 if (rval) {
1949 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1950 vha->host_no));
1953 return (rval);
1957 * qla2x00_configure_hba
1958 * Setup adapter context.
1960 * Input:
1961 * ha = adapter state pointer.
1963 * Returns:
1964 * 0 = success
1966 * Context:
1967 * Kernel context.
1969 static int
1970 qla2x00_configure_hba(scsi_qla_host_t *vha)
1972 int rval;
1973 uint16_t loop_id;
1974 uint16_t topo;
1975 uint16_t sw_cap;
1976 uint8_t al_pa;
1977 uint8_t area;
1978 uint8_t domain;
1979 char connect_type[22];
1980 struct qla_hw_data *ha = vha->hw;
1982 /* Get host addresses. */
1983 rval = qla2x00_get_adapter_id(vha,
1984 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1985 if (rval != QLA_SUCCESS) {
1986 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1987 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1988 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1989 __func__, vha->host_no));
1990 } else {
1991 qla_printk(KERN_WARNING, ha,
1992 "ERROR -- Unable to get host loop ID.\n");
1993 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1995 return (rval);
1998 if (topo == 4) {
1999 qla_printk(KERN_INFO, ha,
2000 "Cannot get topology - retrying.\n");
2001 return (QLA_FUNCTION_FAILED);
2004 vha->loop_id = loop_id;
2006 /* initialize */
2007 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2008 ha->operating_mode = LOOP;
2009 ha->switch_cap = 0;
2011 switch (topo) {
2012 case 0:
2013 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
2014 vha->host_no));
2015 ha->current_topology = ISP_CFG_NL;
2016 strcpy(connect_type, "(Loop)");
2017 break;
2019 case 1:
2020 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
2021 vha->host_no));
2022 ha->switch_cap = sw_cap;
2023 ha->current_topology = ISP_CFG_FL;
2024 strcpy(connect_type, "(FL_Port)");
2025 break;
2027 case 2:
2028 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
2029 vha->host_no));
2030 ha->operating_mode = P2P;
2031 ha->current_topology = ISP_CFG_N;
2032 strcpy(connect_type, "(N_Port-to-N_Port)");
2033 break;
2035 case 3:
2036 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
2037 vha->host_no));
2038 ha->switch_cap = sw_cap;
2039 ha->operating_mode = P2P;
2040 ha->current_topology = ISP_CFG_F;
2041 strcpy(connect_type, "(F_Port)");
2042 break;
2044 default:
2045 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
2046 "Using NL.\n",
2047 vha->host_no, topo));
2048 ha->current_topology = ISP_CFG_NL;
2049 strcpy(connect_type, "(Loop)");
2050 break;
2053 /* Save Host port and loop ID. */
2054 /* byte order - Big Endian */
2055 vha->d_id.b.domain = domain;
2056 vha->d_id.b.area = area;
2057 vha->d_id.b.al_pa = al_pa;
2059 if (!vha->flags.init_done)
2060 qla_printk(KERN_INFO, ha,
2061 "Topology - %s, Host Loop address 0x%x\n",
2062 connect_type, vha->loop_id);
2064 if (rval) {
2065 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
2066 } else {
2067 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
2070 return(rval);
2073 inline void
2074 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2075 char *def)
2077 char *st, *en;
2078 uint16_t index;
2079 struct qla_hw_data *ha = vha->hw;
2080 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2081 !IS_QLA8XXX_TYPE(ha);
2083 if (memcmp(model, BINZERO, len) != 0) {
2084 strncpy(ha->model_number, model, len);
2085 st = en = ha->model_number;
2086 en += len - 1;
2087 while (en > st) {
2088 if (*en != 0x20 && *en != 0x00)
2089 break;
2090 *en-- = '\0';
2093 index = (ha->pdev->subsystem_device & 0xff);
2094 if (use_tbl &&
2095 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2096 index < QLA_MODEL_NAMES)
2097 strncpy(ha->model_desc,
2098 qla2x00_model_name[index * 2 + 1],
2099 sizeof(ha->model_desc) - 1);
2100 } else {
2101 index = (ha->pdev->subsystem_device & 0xff);
2102 if (use_tbl &&
2103 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2104 index < QLA_MODEL_NAMES) {
2105 strcpy(ha->model_number,
2106 qla2x00_model_name[index * 2]);
2107 strncpy(ha->model_desc,
2108 qla2x00_model_name[index * 2 + 1],
2109 sizeof(ha->model_desc) - 1);
2110 } else {
2111 strcpy(ha->model_number, def);
2114 if (IS_FWI2_CAPABLE(ha))
2115 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2116 sizeof(ha->model_desc));
2119 /* On sparc systems, obtain port and node WWN from firmware
2120 * properties.
2122 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2124 #ifdef CONFIG_SPARC
2125 struct qla_hw_data *ha = vha->hw;
2126 struct pci_dev *pdev = ha->pdev;
2127 struct device_node *dp = pci_device_to_OF_node(pdev);
2128 const u8 *val;
2129 int len;
2131 val = of_get_property(dp, "port-wwn", &len);
2132 if (val && len >= WWN_SIZE)
2133 memcpy(nv->port_name, val, WWN_SIZE);
2135 val = of_get_property(dp, "node-wwn", &len);
2136 if (val && len >= WWN_SIZE)
2137 memcpy(nv->node_name, val, WWN_SIZE);
2138 #endif
2142 * NVRAM configuration for ISP 2xxx
2144 * Input:
2145 * ha = adapter block pointer.
2147 * Output:
2148 * initialization control block in response_ring
2149 * host adapters parameters in host adapter block
2151 * Returns:
2152 * 0 = success.
2155 qla2x00_nvram_config(scsi_qla_host_t *vha)
2157 int rval;
2158 uint8_t chksum = 0;
2159 uint16_t cnt;
2160 uint8_t *dptr1, *dptr2;
2161 struct qla_hw_data *ha = vha->hw;
2162 init_cb_t *icb = ha->init_cb;
2163 nvram_t *nv = ha->nvram;
2164 uint8_t *ptr = ha->nvram;
2165 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2167 rval = QLA_SUCCESS;
2169 /* Determine NVRAM starting address. */
2170 ha->nvram_size = sizeof(nvram_t);
2171 ha->nvram_base = 0;
2172 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2173 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2174 ha->nvram_base = 0x80;
2176 /* Get NVRAM data and calculate checksum. */
2177 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2178 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2179 chksum += *ptr++;
2181 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
2182 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
2184 /* Bad NVRAM data, set defaults parameters. */
2185 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2186 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2187 /* Reset NVRAM data. */
2188 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
2189 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
2190 nv->nvram_version);
2191 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
2192 "invalid -- WWPN) defaults.\n");
2195 * Set default initialization control block.
2197 memset(nv, 0, ha->nvram_size);
2198 nv->parameter_block_version = ICB_VERSION;
2200 if (IS_QLA23XX(ha)) {
2201 nv->firmware_options[0] = BIT_2 | BIT_1;
2202 nv->firmware_options[1] = BIT_7 | BIT_5;
2203 nv->add_firmware_options[0] = BIT_5;
2204 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2205 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2206 nv->special_options[1] = BIT_7;
2207 } else if (IS_QLA2200(ha)) {
2208 nv->firmware_options[0] = BIT_2 | BIT_1;
2209 nv->firmware_options[1] = BIT_7 | BIT_5;
2210 nv->add_firmware_options[0] = BIT_5;
2211 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2212 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2213 } else if (IS_QLA2100(ha)) {
2214 nv->firmware_options[0] = BIT_3 | BIT_1;
2215 nv->firmware_options[1] = BIT_5;
2216 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2219 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2220 nv->execution_throttle = __constant_cpu_to_le16(16);
2221 nv->retry_count = 8;
2222 nv->retry_delay = 1;
2224 nv->port_name[0] = 33;
2225 nv->port_name[3] = 224;
2226 nv->port_name[4] = 139;
2228 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2230 nv->login_timeout = 4;
2233 * Set default host adapter parameters
2235 nv->host_p[1] = BIT_2;
2236 nv->reset_delay = 5;
2237 nv->port_down_retry_count = 8;
2238 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2239 nv->link_down_timeout = 60;
2241 rval = 1;
2244 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2246 * The SN2 does not provide BIOS emulation which means you can't change
2247 * potentially bogus BIOS settings. Force the use of default settings
2248 * for link rate and frame size. Hope that the rest of the settings
2249 * are valid.
2251 if (ia64_platform_is("sn2")) {
2252 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2253 if (IS_QLA23XX(ha))
2254 nv->special_options[1] = BIT_7;
2256 #endif
2258 /* Reset Initialization control block */
2259 memset(icb, 0, ha->init_cb_size);
2262 * Setup driver NVRAM options.
2264 nv->firmware_options[0] |= (BIT_6 | BIT_1);
2265 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2266 nv->firmware_options[1] |= (BIT_5 | BIT_0);
2267 nv->firmware_options[1] &= ~BIT_4;
2269 if (IS_QLA23XX(ha)) {
2270 nv->firmware_options[0] |= BIT_2;
2271 nv->firmware_options[0] &= ~BIT_3;
2272 nv->firmware_options[0] &= ~BIT_6;
2273 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2275 if (IS_QLA2300(ha)) {
2276 if (ha->fb_rev == FPM_2310) {
2277 strcpy(ha->model_number, "QLA2310");
2278 } else {
2279 strcpy(ha->model_number, "QLA2300");
2281 } else {
2282 qla2x00_set_model_info(vha, nv->model_number,
2283 sizeof(nv->model_number), "QLA23xx");
2285 } else if (IS_QLA2200(ha)) {
2286 nv->firmware_options[0] |= BIT_2;
2288 * 'Point-to-point preferred, else loop' is not a safe
2289 * connection mode setting.
2291 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2292 (BIT_5 | BIT_4)) {
2293 /* Force 'loop preferred, else point-to-point'. */
2294 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2295 nv->add_firmware_options[0] |= BIT_5;
2297 strcpy(ha->model_number, "QLA22xx");
2298 } else /*if (IS_QLA2100(ha))*/ {
2299 strcpy(ha->model_number, "QLA2100");
2303 * Copy over NVRAM RISC parameter block to initialization control block.
2305 dptr1 = (uint8_t *)icb;
2306 dptr2 = (uint8_t *)&nv->parameter_block_version;
2307 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2308 while (cnt--)
2309 *dptr1++ = *dptr2++;
2311 /* Copy 2nd half. */
2312 dptr1 = (uint8_t *)icb->add_firmware_options;
2313 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2314 while (cnt--)
2315 *dptr1++ = *dptr2++;
2317 /* Use alternate WWN? */
2318 if (nv->host_p[1] & BIT_7) {
2319 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2320 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2323 /* Prepare nodename */
2324 if ((icb->firmware_options[1] & BIT_6) == 0) {
2326 * Firmware will apply the following mask if the nodename was
2327 * not provided.
2329 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2330 icb->node_name[0] &= 0xF0;
2334 * Set host adapter parameters.
2336 if (nv->host_p[0] & BIT_7)
2337 ql2xextended_error_logging = 1;
2338 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2339 /* Always load RISC code on non ISP2[12]00 chips. */
2340 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2341 ha->flags.disable_risc_code_load = 0;
2342 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2343 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2344 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2345 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2346 ha->flags.disable_serdes = 0;
2348 ha->operating_mode =
2349 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2351 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2352 sizeof(ha->fw_seriallink_options));
2354 /* save HBA serial number */
2355 ha->serial0 = icb->port_name[5];
2356 ha->serial1 = icb->port_name[6];
2357 ha->serial2 = icb->port_name[7];
2358 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2359 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2361 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2363 ha->retry_count = nv->retry_count;
2365 /* Set minimum login_timeout to 4 seconds. */
2366 if (nv->login_timeout != ql2xlogintimeout)
2367 nv->login_timeout = ql2xlogintimeout;
2368 if (nv->login_timeout < 4)
2369 nv->login_timeout = 4;
2370 ha->login_timeout = nv->login_timeout;
2371 icb->login_timeout = nv->login_timeout;
2373 /* Set minimum RATOV to 100 tenths of a second. */
2374 ha->r_a_tov = 100;
2376 ha->loop_reset_delay = nv->reset_delay;
2378 /* Link Down Timeout = 0:
2380 * When Port Down timer expires we will start returning
2381 * I/O's to OS with "DID_NO_CONNECT".
2383 * Link Down Timeout != 0:
2385 * The driver waits for the link to come up after link down
2386 * before returning I/Os to OS with "DID_NO_CONNECT".
2388 if (nv->link_down_timeout == 0) {
2389 ha->loop_down_abort_time =
2390 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2391 } else {
2392 ha->link_down_timeout = nv->link_down_timeout;
2393 ha->loop_down_abort_time =
2394 (LOOP_DOWN_TIME - ha->link_down_timeout);
2398 * Need enough time to try and get the port back.
2400 ha->port_down_retry_count = nv->port_down_retry_count;
2401 if (qlport_down_retry)
2402 ha->port_down_retry_count = qlport_down_retry;
2403 /* Set login_retry_count */
2404 ha->login_retry_count = nv->retry_count;
2405 if (ha->port_down_retry_count == nv->port_down_retry_count &&
2406 ha->port_down_retry_count > 3)
2407 ha->login_retry_count = ha->port_down_retry_count;
2408 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2409 ha->login_retry_count = ha->port_down_retry_count;
2410 if (ql2xloginretrycount)
2411 ha->login_retry_count = ql2xloginretrycount;
2413 icb->lun_enables = __constant_cpu_to_le16(0);
2414 icb->command_resource_count = 0;
2415 icb->immediate_notify_resource_count = 0;
2416 icb->timeout = __constant_cpu_to_le16(0);
2418 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2419 /* Enable RIO */
2420 icb->firmware_options[0] &= ~BIT_3;
2421 icb->add_firmware_options[0] &=
2422 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2423 icb->add_firmware_options[0] |= BIT_2;
2424 icb->response_accumulation_timer = 3;
2425 icb->interrupt_delay_timer = 5;
2427 vha->flags.process_response_queue = 1;
2428 } else {
2429 /* Enable ZIO. */
2430 if (!vha->flags.init_done) {
2431 ha->zio_mode = icb->add_firmware_options[0] &
2432 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2433 ha->zio_timer = icb->interrupt_delay_timer ?
2434 icb->interrupt_delay_timer: 2;
2436 icb->add_firmware_options[0] &=
2437 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2438 vha->flags.process_response_queue = 0;
2439 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2440 ha->zio_mode = QLA_ZIO_MODE_6;
2442 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2443 "delay (%d us).\n", vha->host_no, ha->zio_mode,
2444 ha->zio_timer * 100));
2445 qla_printk(KERN_INFO, ha,
2446 "ZIO mode %d enabled; timer delay (%d us).\n",
2447 ha->zio_mode, ha->zio_timer * 100);
2449 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2450 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2451 vha->flags.process_response_queue = 1;
2455 if (rval) {
2456 DEBUG2_3(printk(KERN_WARNING
2457 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2459 return (rval);
2462 static void
2463 qla2x00_rport_del(void *data)
2465 fc_port_t *fcport = data;
2466 struct fc_rport *rport;
2468 spin_lock_irq(fcport->vha->host->host_lock);
2469 rport = fcport->drport ? fcport->drport: fcport->rport;
2470 fcport->drport = NULL;
2471 spin_unlock_irq(fcport->vha->host->host_lock);
2472 if (rport)
2473 fc_remote_port_delete(rport);
2477 * qla2x00_alloc_fcport() - Allocate a generic fcport.
2478 * @ha: HA context
2479 * @flags: allocation flags
2481 * Returns a pointer to the allocated fcport, or NULL, if none available.
2483 fc_port_t *
2484 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2486 fc_port_t *fcport;
2488 fcport = kzalloc(sizeof(fc_port_t), flags);
2489 if (!fcport)
2490 return NULL;
2492 /* Setup fcport template structure. */
2493 fcport->vha = vha;
2494 fcport->vp_idx = vha->vp_idx;
2495 fcport->port_type = FCT_UNKNOWN;
2496 fcport->loop_id = FC_NO_LOOP_ID;
2497 atomic_set(&fcport->state, FCS_UNCONFIGURED);
2498 fcport->supported_classes = FC_COS_UNSPECIFIED;
2500 return fcport;
2504 * qla2x00_configure_loop
2505 * Updates Fibre Channel Device Database with what is actually on loop.
2507 * Input:
2508 * ha = adapter block pointer.
2510 * Returns:
2511 * 0 = success.
2512 * 1 = error.
2513 * 2 = database was full and device was not configured.
2515 static int
2516 qla2x00_configure_loop(scsi_qla_host_t *vha)
2518 int rval;
2519 unsigned long flags, save_flags;
2520 struct qla_hw_data *ha = vha->hw;
2521 rval = QLA_SUCCESS;
2523 /* Get Initiator ID */
2524 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2525 rval = qla2x00_configure_hba(vha);
2526 if (rval != QLA_SUCCESS) {
2527 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2528 vha->host_no));
2529 return (rval);
2533 save_flags = flags = vha->dpc_flags;
2534 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2535 vha->host_no, flags));
2538 * If we have both an RSCN and PORT UPDATE pending then handle them
2539 * both at the same time.
2541 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2542 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2544 qla2x00_get_data_rate(vha);
2546 /* Determine what we need to do */
2547 if (ha->current_topology == ISP_CFG_FL &&
2548 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2550 vha->flags.rscn_queue_overflow = 1;
2551 set_bit(RSCN_UPDATE, &flags);
2553 } else if (ha->current_topology == ISP_CFG_F &&
2554 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2556 vha->flags.rscn_queue_overflow = 1;
2557 set_bit(RSCN_UPDATE, &flags);
2558 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2560 } else if (ha->current_topology == ISP_CFG_N) {
2561 clear_bit(RSCN_UPDATE, &flags);
2563 } else if (!vha->flags.online ||
2564 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2566 vha->flags.rscn_queue_overflow = 1;
2567 set_bit(RSCN_UPDATE, &flags);
2568 set_bit(LOCAL_LOOP_UPDATE, &flags);
2571 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2572 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2573 rval = QLA_FUNCTION_FAILED;
2574 else
2575 rval = qla2x00_configure_local_loop(vha);
2578 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2579 if (LOOP_TRANSITION(vha))
2580 rval = QLA_FUNCTION_FAILED;
2581 else
2582 rval = qla2x00_configure_fabric(vha);
2585 if (rval == QLA_SUCCESS) {
2586 if (atomic_read(&vha->loop_down_timer) ||
2587 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2588 rval = QLA_FUNCTION_FAILED;
2589 } else {
2590 atomic_set(&vha->loop_state, LOOP_READY);
2592 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2596 if (rval) {
2597 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2598 __func__, vha->host_no));
2599 } else {
2600 DEBUG3(printk("%s: exiting normally\n", __func__));
2603 /* Restore state if a resync event occurred during processing */
2604 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2605 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2606 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2607 if (test_bit(RSCN_UPDATE, &save_flags)) {
2608 set_bit(RSCN_UPDATE, &vha->dpc_flags);
2609 if (!IS_ALOGIO_CAPABLE(ha))
2610 vha->flags.rscn_queue_overflow = 1;
2614 return (rval);
2620 * qla2x00_configure_local_loop
2621 * Updates Fibre Channel Device Database with local loop devices.
2623 * Input:
2624 * ha = adapter block pointer.
2626 * Returns:
2627 * 0 = success.
2629 static int
2630 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2632 int rval, rval2;
2633 int found_devs;
2634 int found;
2635 fc_port_t *fcport, *new_fcport;
2637 uint16_t index;
2638 uint16_t entries;
2639 char *id_iter;
2640 uint16_t loop_id;
2641 uint8_t domain, area, al_pa;
2642 struct qla_hw_data *ha = vha->hw;
2644 found_devs = 0;
2645 new_fcport = NULL;
2646 entries = MAX_FIBRE_DEVICES;
2648 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2649 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2651 /* Get list of logged in devices. */
2652 memset(ha->gid_list, 0, GID_LIST_SIZE);
2653 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2654 &entries);
2655 if (rval != QLA_SUCCESS)
2656 goto cleanup_allocation;
2658 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2659 vha->host_no, entries));
2660 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2661 entries * sizeof(struct gid_list_info)));
2663 /* Allocate temporary fcport for any new fcports discovered. */
2664 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2665 if (new_fcport == NULL) {
2666 rval = QLA_MEMORY_ALLOC_FAILED;
2667 goto cleanup_allocation;
2669 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2672 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2674 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2675 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2676 fcport->port_type != FCT_BROADCAST &&
2677 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2679 DEBUG(printk("scsi(%ld): Marking port lost, "
2680 "loop_id=0x%04x\n",
2681 vha->host_no, fcport->loop_id));
2683 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2687 /* Add devices to port list. */
2688 id_iter = (char *)ha->gid_list;
2689 for (index = 0; index < entries; index++) {
2690 domain = ((struct gid_list_info *)id_iter)->domain;
2691 area = ((struct gid_list_info *)id_iter)->area;
2692 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2693 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2694 loop_id = (uint16_t)
2695 ((struct gid_list_info *)id_iter)->loop_id_2100;
2696 else
2697 loop_id = le16_to_cpu(
2698 ((struct gid_list_info *)id_iter)->loop_id);
2699 id_iter += ha->gid_list_info_size;
2701 /* Bypass reserved domain fields. */
2702 if ((domain & 0xf0) == 0xf0)
2703 continue;
2705 /* Bypass if not same domain and area of adapter. */
2706 if (area && domain &&
2707 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2708 continue;
2710 /* Bypass invalid local loop ID. */
2711 if (loop_id > LAST_LOCAL_LOOP_ID)
2712 continue;
2714 /* Fill in member data. */
2715 new_fcport->d_id.b.domain = domain;
2716 new_fcport->d_id.b.area = area;
2717 new_fcport->d_id.b.al_pa = al_pa;
2718 new_fcport->loop_id = loop_id;
2719 new_fcport->vp_idx = vha->vp_idx;
2720 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2721 if (rval2 != QLA_SUCCESS) {
2722 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2723 "information -- get_port_database=%x, "
2724 "loop_id=0x%04x\n",
2725 vha->host_no, rval2, new_fcport->loop_id));
2726 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2727 vha->host_no));
2728 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2729 continue;
2732 /* Check for matching device in port list. */
2733 found = 0;
2734 fcport = NULL;
2735 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2736 if (memcmp(new_fcport->port_name, fcport->port_name,
2737 WWN_SIZE))
2738 continue;
2740 fcport->flags &= ~FCF_FABRIC_DEVICE;
2741 fcport->loop_id = new_fcport->loop_id;
2742 fcport->port_type = new_fcport->port_type;
2743 fcport->d_id.b24 = new_fcport->d_id.b24;
2744 memcpy(fcport->node_name, new_fcport->node_name,
2745 WWN_SIZE);
2747 found++;
2748 break;
2751 if (!found) {
2752 /* New device, add to fcports list. */
2753 if (vha->vp_idx) {
2754 new_fcport->vha = vha;
2755 new_fcport->vp_idx = vha->vp_idx;
2757 list_add_tail(&new_fcport->list, &vha->vp_fcports);
2759 /* Allocate a new replacement fcport. */
2760 fcport = new_fcport;
2761 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2762 if (new_fcport == NULL) {
2763 rval = QLA_MEMORY_ALLOC_FAILED;
2764 goto cleanup_allocation;
2766 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2769 /* Base iIDMA settings on HBA port speed. */
2770 fcport->fp_speed = ha->link_data_rate;
2772 qla2x00_update_fcport(vha, fcport);
2774 found_devs++;
2777 cleanup_allocation:
2778 kfree(new_fcport);
2780 if (rval != QLA_SUCCESS) {
2781 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2782 "rval=%x\n", vha->host_no, rval));
2785 return (rval);
2788 static void
2789 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2791 #define LS_UNKNOWN 2
2792 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2793 char *link_speed;
2794 int rval;
2795 uint16_t mb[4];
2796 struct qla_hw_data *ha = vha->hw;
2798 if (!IS_IIDMA_CAPABLE(ha))
2799 return;
2801 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2802 fcport->fp_speed > ha->link_data_rate)
2803 return;
2805 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2806 mb);
2807 if (rval != QLA_SUCCESS) {
2808 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2809 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2810 vha->host_no, fcport->port_name[0], fcport->port_name[1],
2811 fcport->port_name[2], fcport->port_name[3],
2812 fcport->port_name[4], fcport->port_name[5],
2813 fcport->port_name[6], fcport->port_name[7], rval,
2814 fcport->fp_speed, mb[0], mb[1]));
2815 } else {
2816 link_speed = link_speeds[LS_UNKNOWN];
2817 if (fcport->fp_speed < 5)
2818 link_speed = link_speeds[fcport->fp_speed];
2819 else if (fcport->fp_speed == 0x13)
2820 link_speed = link_speeds[5];
2821 DEBUG2(qla_printk(KERN_INFO, ha,
2822 "iIDMA adjusted to %s GB/s on "
2823 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2824 link_speed, fcport->port_name[0],
2825 fcport->port_name[1], fcport->port_name[2],
2826 fcport->port_name[3], fcport->port_name[4],
2827 fcport->port_name[5], fcport->port_name[6],
2828 fcport->port_name[7]));
2832 static void
2833 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2835 struct fc_rport_identifiers rport_ids;
2836 struct fc_rport *rport;
2837 struct qla_hw_data *ha = vha->hw;
2839 qla2x00_rport_del(fcport);
2841 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2842 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2843 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2844 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2845 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2846 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2847 if (!rport) {
2848 qla_printk(KERN_WARNING, ha,
2849 "Unable to allocate fc remote port!\n");
2850 return;
2852 spin_lock_irq(fcport->vha->host->host_lock);
2853 *((fc_port_t **)rport->dd_data) = fcport;
2854 spin_unlock_irq(fcport->vha->host->host_lock);
2856 rport->supported_classes = fcport->supported_classes;
2858 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2859 if (fcport->port_type == FCT_INITIATOR)
2860 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2861 if (fcport->port_type == FCT_TARGET)
2862 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2863 fc_remote_port_rolechg(rport, rport_ids.roles);
2867 * qla2x00_update_fcport
2868 * Updates device on list.
2870 * Input:
2871 * ha = adapter block pointer.
2872 * fcport = port structure pointer.
2874 * Return:
2875 * 0 - Success
2876 * BIT_0 - error
2878 * Context:
2879 * Kernel context.
2881 void
2882 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2884 struct qla_hw_data *ha = vha->hw;
2886 fcport->vha = vha;
2887 fcport->login_retry = 0;
2888 fcport->port_login_retry_count = ha->port_down_retry_count *
2889 PORT_RETRY_TIME;
2890 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2891 PORT_RETRY_TIME);
2892 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2894 qla2x00_iidma_fcport(vha, fcport);
2896 atomic_set(&fcport->state, FCS_ONLINE);
2898 qla2x00_reg_remote_port(vha, fcport);
2902 * qla2x00_configure_fabric
2903 * Setup SNS devices with loop ID's.
2905 * Input:
2906 * ha = adapter block pointer.
2908 * Returns:
2909 * 0 = success.
2910 * BIT_0 = error
2912 static int
2913 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2915 int rval, rval2;
2916 fc_port_t *fcport, *fcptemp;
2917 uint16_t next_loopid;
2918 uint16_t mb[MAILBOX_REGISTER_COUNT];
2919 uint16_t loop_id;
2920 LIST_HEAD(new_fcports);
2921 struct qla_hw_data *ha = vha->hw;
2922 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2924 /* If FL port exists, then SNS is present */
2925 if (IS_FWI2_CAPABLE(ha))
2926 loop_id = NPH_F_PORT;
2927 else
2928 loop_id = SNS_FL_PORT;
2929 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2930 if (rval != QLA_SUCCESS) {
2931 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2932 "Port\n", vha->host_no));
2934 vha->device_flags &= ~SWITCH_FOUND;
2935 return (QLA_SUCCESS);
2937 vha->device_flags |= SWITCH_FOUND;
2939 /* Mark devices that need re-synchronization. */
2940 rval2 = qla2x00_device_resync(vha);
2941 if (rval2 == QLA_RSCNS_HANDLED) {
2942 /* No point doing the scan, just continue. */
2943 return (QLA_SUCCESS);
2945 do {
2946 /* FDMI support. */
2947 if (ql2xfdmienable &&
2948 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2949 qla2x00_fdmi_register(vha);
2951 /* Ensure we are logged into the SNS. */
2952 if (IS_FWI2_CAPABLE(ha))
2953 loop_id = NPH_SNS;
2954 else
2955 loop_id = SIMPLE_NAME_SERVER;
2956 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2957 0xfc, mb, BIT_1 | BIT_0);
2958 if (mb[0] != MBS_COMMAND_COMPLETE) {
2959 DEBUG2(qla_printk(KERN_INFO, ha,
2960 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2961 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2962 mb[0], mb[1], mb[2], mb[6], mb[7]));
2963 return (QLA_SUCCESS);
2966 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2967 if (qla2x00_rft_id(vha)) {
2968 /* EMPTY */
2969 DEBUG2(printk("scsi(%ld): Register FC-4 "
2970 "TYPE failed.\n", vha->host_no));
2972 if (qla2x00_rff_id(vha)) {
2973 /* EMPTY */
2974 DEBUG2(printk("scsi(%ld): Register FC-4 "
2975 "Features failed.\n", vha->host_no));
2977 if (qla2x00_rnn_id(vha)) {
2978 /* EMPTY */
2979 DEBUG2(printk("scsi(%ld): Register Node Name "
2980 "failed.\n", vha->host_no));
2981 } else if (qla2x00_rsnn_nn(vha)) {
2982 /* EMPTY */
2983 DEBUG2(printk("scsi(%ld): Register Symbolic "
2984 "Node Name failed.\n", vha->host_no));
2988 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
2989 if (rval != QLA_SUCCESS)
2990 break;
2993 * Logout all previous fabric devices marked lost, except
2994 * FCP2 devices.
2996 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2997 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2998 break;
3000 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3001 continue;
3003 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3004 qla2x00_mark_device_lost(vha, fcport,
3005 ql2xplogiabsentdevice, 0);
3006 if (fcport->loop_id != FC_NO_LOOP_ID &&
3007 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3008 fcport->port_type != FCT_INITIATOR &&
3009 fcport->port_type != FCT_BROADCAST) {
3010 ha->isp_ops->fabric_logout(vha,
3011 fcport->loop_id,
3012 fcport->d_id.b.domain,
3013 fcport->d_id.b.area,
3014 fcport->d_id.b.al_pa);
3015 fcport->loop_id = FC_NO_LOOP_ID;
3020 /* Starting free loop ID. */
3021 next_loopid = ha->min_external_loopid;
3024 * Scan through our port list and login entries that need to be
3025 * logged in.
3027 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3028 if (atomic_read(&vha->loop_down_timer) ||
3029 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3030 break;
3032 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3033 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3034 continue;
3036 if (fcport->loop_id == FC_NO_LOOP_ID) {
3037 fcport->loop_id = next_loopid;
3038 rval = qla2x00_find_new_loop_id(
3039 base_vha, fcport);
3040 if (rval != QLA_SUCCESS) {
3041 /* Ran out of IDs to use */
3042 break;
3045 /* Login and update database */
3046 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3049 /* Exit if out of loop IDs. */
3050 if (rval != QLA_SUCCESS) {
3051 break;
3055 * Login and add the new devices to our port list.
3057 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3058 if (atomic_read(&vha->loop_down_timer) ||
3059 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3060 break;
3062 /* Find a new loop ID to use. */
3063 fcport->loop_id = next_loopid;
3064 rval = qla2x00_find_new_loop_id(base_vha, fcport);
3065 if (rval != QLA_SUCCESS) {
3066 /* Ran out of IDs to use */
3067 break;
3070 /* Login and update database */
3071 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3073 if (vha->vp_idx) {
3074 fcport->vha = vha;
3075 fcport->vp_idx = vha->vp_idx;
3077 list_move_tail(&fcport->list, &vha->vp_fcports);
3079 } while (0);
3081 /* Free all new device structures not processed. */
3082 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3083 list_del(&fcport->list);
3084 kfree(fcport);
3087 if (rval) {
3088 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
3089 "rval=%d\n", vha->host_no, rval));
3092 return (rval);
3096 * qla2x00_find_all_fabric_devs
3098 * Input:
3099 * ha = adapter block pointer.
3100 * dev = database device entry pointer.
3102 * Returns:
3103 * 0 = success.
3105 * Context:
3106 * Kernel context.
3108 static int
3109 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3110 struct list_head *new_fcports)
3112 int rval;
3113 uint16_t loop_id;
3114 fc_port_t *fcport, *new_fcport, *fcptemp;
3115 int found;
3117 sw_info_t *swl;
3118 int swl_idx;
3119 int first_dev, last_dev;
3120 port_id_t wrap = {}, nxt_d_id;
3121 struct qla_hw_data *ha = vha->hw;
3122 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3123 struct scsi_qla_host *tvp;
3125 rval = QLA_SUCCESS;
3127 /* Try GID_PT to get device list, else GAN. */
3128 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
3129 if (!swl) {
3130 /*EMPTY*/
3131 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
3132 "on GA_NXT\n", vha->host_no));
3133 } else {
3134 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3135 kfree(swl);
3136 swl = NULL;
3137 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3138 kfree(swl);
3139 swl = NULL;
3140 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3141 kfree(swl);
3142 swl = NULL;
3143 } else if (ql2xiidmaenable &&
3144 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3145 qla2x00_gpsc(vha, swl);
3148 /* If other queries succeeded probe for FC-4 type */
3149 if (swl)
3150 qla2x00_gff_id(vha, swl);
3152 swl_idx = 0;
3154 /* Allocate temporary fcport for any new fcports discovered. */
3155 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3156 if (new_fcport == NULL) {
3157 kfree(swl);
3158 return (QLA_MEMORY_ALLOC_FAILED);
3160 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3161 /* Set start port ID scan at adapter ID. */
3162 first_dev = 1;
3163 last_dev = 0;
3165 /* Starting free loop ID. */
3166 loop_id = ha->min_external_loopid;
3167 for (; loop_id <= ha->max_loop_id; loop_id++) {
3168 if (qla2x00_is_reserved_id(vha, loop_id))
3169 continue;
3171 if (ha->current_topology == ISP_CFG_FL &&
3172 (atomic_read(&vha->loop_down_timer) ||
3173 LOOP_TRANSITION(vha))) {
3174 atomic_set(&vha->loop_down_timer, 0);
3175 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3176 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3177 break;
3180 if (swl != NULL) {
3181 if (last_dev) {
3182 wrap.b24 = new_fcport->d_id.b24;
3183 } else {
3184 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3185 memcpy(new_fcport->node_name,
3186 swl[swl_idx].node_name, WWN_SIZE);
3187 memcpy(new_fcport->port_name,
3188 swl[swl_idx].port_name, WWN_SIZE);
3189 memcpy(new_fcport->fabric_port_name,
3190 swl[swl_idx].fabric_port_name, WWN_SIZE);
3191 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3192 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3194 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3195 last_dev = 1;
3197 swl_idx++;
3199 } else {
3200 /* Send GA_NXT to the switch */
3201 rval = qla2x00_ga_nxt(vha, new_fcport);
3202 if (rval != QLA_SUCCESS) {
3203 qla_printk(KERN_WARNING, ha,
3204 "SNS scan failed -- assuming zero-entry "
3205 "result...\n");
3206 list_for_each_entry_safe(fcport, fcptemp,
3207 new_fcports, list) {
3208 list_del(&fcport->list);
3209 kfree(fcport);
3211 rval = QLA_SUCCESS;
3212 break;
3216 /* If wrap on switch device list, exit. */
3217 if (first_dev) {
3218 wrap.b24 = new_fcport->d_id.b24;
3219 first_dev = 0;
3220 } else if (new_fcport->d_id.b24 == wrap.b24) {
3221 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
3222 vha->host_no, new_fcport->d_id.b.domain,
3223 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
3224 break;
3227 /* Bypass if same physical adapter. */
3228 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3229 continue;
3231 /* Bypass virtual ports of the same host. */
3232 found = 0;
3233 if (ha->num_vhosts) {
3234 unsigned long flags;
3236 spin_lock_irqsave(&ha->vport_slock, flags);
3237 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3238 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3239 found = 1;
3240 break;
3243 spin_unlock_irqrestore(&ha->vport_slock, flags);
3245 if (found)
3246 continue;
3249 /* Bypass if same domain and area of adapter. */
3250 if (((new_fcport->d_id.b24 & 0xffff00) ==
3251 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3252 ISP_CFG_FL)
3253 continue;
3255 /* Bypass reserved domain fields. */
3256 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3257 continue;
3259 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3260 if (ql2xgffidenable &&
3261 (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3262 new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3263 continue;
3265 /* Locate matching device in database. */
3266 found = 0;
3267 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3268 if (memcmp(new_fcport->port_name, fcport->port_name,
3269 WWN_SIZE))
3270 continue;
3272 found++;
3274 /* Update port state. */
3275 memcpy(fcport->fabric_port_name,
3276 new_fcport->fabric_port_name, WWN_SIZE);
3277 fcport->fp_speed = new_fcport->fp_speed;
3280 * If address the same and state FCS_ONLINE, nothing
3281 * changed.
3283 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3284 atomic_read(&fcport->state) == FCS_ONLINE) {
3285 break;
3289 * If device was not a fabric device before.
3291 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3292 fcport->d_id.b24 = new_fcport->d_id.b24;
3293 fcport->loop_id = FC_NO_LOOP_ID;
3294 fcport->flags |= (FCF_FABRIC_DEVICE |
3295 FCF_LOGIN_NEEDED);
3296 break;
3300 * Port ID changed or device was marked to be updated;
3301 * Log it out if still logged in and mark it for
3302 * relogin later.
3304 fcport->d_id.b24 = new_fcport->d_id.b24;
3305 fcport->flags |= FCF_LOGIN_NEEDED;
3306 if (fcport->loop_id != FC_NO_LOOP_ID &&
3307 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3308 fcport->port_type != FCT_INITIATOR &&
3309 fcport->port_type != FCT_BROADCAST) {
3310 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3311 fcport->d_id.b.domain, fcport->d_id.b.area,
3312 fcport->d_id.b.al_pa);
3313 fcport->loop_id = FC_NO_LOOP_ID;
3316 break;
3319 if (found)
3320 continue;
3321 /* If device was not in our fcports list, then add it. */
3322 list_add_tail(&new_fcport->list, new_fcports);
3324 /* Allocate a new replacement fcport. */
3325 nxt_d_id.b24 = new_fcport->d_id.b24;
3326 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3327 if (new_fcport == NULL) {
3328 kfree(swl);
3329 return (QLA_MEMORY_ALLOC_FAILED);
3331 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3332 new_fcport->d_id.b24 = nxt_d_id.b24;
3335 kfree(swl);
3336 kfree(new_fcport);
3338 return (rval);
3342 * qla2x00_find_new_loop_id
3343 * Scan through our port list and find a new usable loop ID.
3345 * Input:
3346 * ha: adapter state pointer.
3347 * dev: port structure pointer.
3349 * Returns:
3350 * qla2x00 local function return status code.
3352 * Context:
3353 * Kernel context.
3355 static int
3356 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3358 int rval;
3359 int found;
3360 fc_port_t *fcport;
3361 uint16_t first_loop_id;
3362 struct qla_hw_data *ha = vha->hw;
3363 struct scsi_qla_host *vp;
3364 struct scsi_qla_host *tvp;
3365 unsigned long flags = 0;
3367 rval = QLA_SUCCESS;
3369 /* Save starting loop ID. */
3370 first_loop_id = dev->loop_id;
3372 for (;;) {
3373 /* Skip loop ID if already used by adapter. */
3374 if (dev->loop_id == vha->loop_id)
3375 dev->loop_id++;
3377 /* Skip reserved loop IDs. */
3378 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3379 dev->loop_id++;
3381 /* Reset loop ID if passed the end. */
3382 if (dev->loop_id > ha->max_loop_id) {
3383 /* first loop ID. */
3384 dev->loop_id = ha->min_external_loopid;
3387 /* Check for loop ID being already in use. */
3388 found = 0;
3389 fcport = NULL;
3391 spin_lock_irqsave(&ha->vport_slock, flags);
3392 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3393 list_for_each_entry(fcport, &vp->vp_fcports, list) {
3394 if (fcport->loop_id == dev->loop_id &&
3395 fcport != dev) {
3396 /* ID possibly in use */
3397 found++;
3398 break;
3401 if (found)
3402 break;
3404 spin_unlock_irqrestore(&ha->vport_slock, flags);
3406 /* If not in use then it is free to use. */
3407 if (!found) {
3408 break;
3411 /* ID in use. Try next value. */
3412 dev->loop_id++;
3414 /* If wrap around. No free ID to use. */
3415 if (dev->loop_id == first_loop_id) {
3416 dev->loop_id = FC_NO_LOOP_ID;
3417 rval = QLA_FUNCTION_FAILED;
3418 break;
3422 return (rval);
3426 * qla2x00_device_resync
3427 * Marks devices in the database that needs resynchronization.
3429 * Input:
3430 * ha = adapter block pointer.
3432 * Context:
3433 * Kernel context.
3435 static int
3436 qla2x00_device_resync(scsi_qla_host_t *vha)
3438 int rval;
3439 uint32_t mask;
3440 fc_port_t *fcport;
3441 uint32_t rscn_entry;
3442 uint8_t rscn_out_iter;
3443 uint8_t format;
3444 port_id_t d_id = {};
3446 rval = QLA_RSCNS_HANDLED;
3448 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3449 vha->flags.rscn_queue_overflow) {
3451 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3452 format = MSB(MSW(rscn_entry));
3453 d_id.b.domain = LSB(MSW(rscn_entry));
3454 d_id.b.area = MSB(LSW(rscn_entry));
3455 d_id.b.al_pa = LSB(LSW(rscn_entry));
3457 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3458 "[%02x/%02x%02x%02x].\n",
3459 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3460 d_id.b.area, d_id.b.al_pa));
3462 vha->rscn_out_ptr++;
3463 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3464 vha->rscn_out_ptr = 0;
3466 /* Skip duplicate entries. */
3467 for (rscn_out_iter = vha->rscn_out_ptr;
3468 !vha->flags.rscn_queue_overflow &&
3469 rscn_out_iter != vha->rscn_in_ptr;
3470 rscn_out_iter = (rscn_out_iter ==
3471 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3473 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3474 break;
3476 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3477 "entry found at [%d].\n", vha->host_no,
3478 rscn_out_iter));
3480 vha->rscn_out_ptr = rscn_out_iter;
3483 /* Queue overflow, set switch default case. */
3484 if (vha->flags.rscn_queue_overflow) {
3485 DEBUG(printk("scsi(%ld): device_resync: rscn "
3486 "overflow.\n", vha->host_no));
3488 format = 3;
3489 vha->flags.rscn_queue_overflow = 0;
3492 switch (format) {
3493 case 0:
3494 mask = 0xffffff;
3495 break;
3496 case 1:
3497 mask = 0xffff00;
3498 break;
3499 case 2:
3500 mask = 0xff0000;
3501 break;
3502 default:
3503 mask = 0x0;
3504 d_id.b24 = 0;
3505 vha->rscn_out_ptr = vha->rscn_in_ptr;
3506 break;
3509 rval = QLA_SUCCESS;
3511 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3512 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3513 (fcport->d_id.b24 & mask) != d_id.b24 ||
3514 fcport->port_type == FCT_BROADCAST)
3515 continue;
3517 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3518 if (format != 3 ||
3519 fcport->port_type != FCT_INITIATOR) {
3520 qla2x00_mark_device_lost(vha, fcport,
3521 0, 0);
3526 return (rval);
3530 * qla2x00_fabric_dev_login
3531 * Login fabric target device and update FC port database.
3533 * Input:
3534 * ha: adapter state pointer.
3535 * fcport: port structure list pointer.
3536 * next_loopid: contains value of a new loop ID that can be used
3537 * by the next login attempt.
3539 * Returns:
3540 * qla2x00 local function return status code.
3542 * Context:
3543 * Kernel context.
3545 static int
3546 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3547 uint16_t *next_loopid)
3549 int rval;
3550 int retry;
3551 uint8_t opts;
3552 struct qla_hw_data *ha = vha->hw;
3554 rval = QLA_SUCCESS;
3555 retry = 0;
3557 if (IS_ALOGIO_CAPABLE(ha)) {
3558 if (fcport->flags & FCF_ASYNC_SENT)
3559 return rval;
3560 fcport->flags |= FCF_ASYNC_SENT;
3561 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3562 if (!rval)
3563 return rval;
3566 fcport->flags &= ~FCF_ASYNC_SENT;
3567 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3568 if (rval == QLA_SUCCESS) {
3569 /* Send an ADISC to FCP2 devices.*/
3570 opts = 0;
3571 if (fcport->flags & FCF_FCP2_DEVICE)
3572 opts |= BIT_1;
3573 rval = qla2x00_get_port_database(vha, fcport, opts);
3574 if (rval != QLA_SUCCESS) {
3575 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3576 fcport->d_id.b.domain, fcport->d_id.b.area,
3577 fcport->d_id.b.al_pa);
3578 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3579 } else {
3580 qla2x00_update_fcport(vha, fcport);
3584 return (rval);
3588 * qla2x00_fabric_login
3589 * Issue fabric login command.
3591 * Input:
3592 * ha = adapter block pointer.
3593 * device = pointer to FC device type structure.
3595 * Returns:
3596 * 0 - Login successfully
3597 * 1 - Login failed
3598 * 2 - Initiator device
3599 * 3 - Fatal error
3602 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3603 uint16_t *next_loopid)
3605 int rval;
3606 int retry;
3607 uint16_t tmp_loopid;
3608 uint16_t mb[MAILBOX_REGISTER_COUNT];
3609 struct qla_hw_data *ha = vha->hw;
3611 retry = 0;
3612 tmp_loopid = 0;
3614 for (;;) {
3615 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3616 "for port %02x%02x%02x.\n",
3617 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3618 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3620 /* Login fcport on switch. */
3621 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3622 fcport->d_id.b.domain, fcport->d_id.b.area,
3623 fcport->d_id.b.al_pa, mb, BIT_0);
3624 if (mb[0] == MBS_PORT_ID_USED) {
3626 * Device has another loop ID. The firmware team
3627 * recommends the driver perform an implicit login with
3628 * the specified ID again. The ID we just used is save
3629 * here so we return with an ID that can be tried by
3630 * the next login.
3632 retry++;
3633 tmp_loopid = fcport->loop_id;
3634 fcport->loop_id = mb[1];
3636 DEBUG(printk("Fabric Login: port in use - next "
3637 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3638 fcport->loop_id, fcport->d_id.b.domain,
3639 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3641 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3643 * Login succeeded.
3645 if (retry) {
3646 /* A retry occurred before. */
3647 *next_loopid = tmp_loopid;
3648 } else {
3650 * No retry occurred before. Just increment the
3651 * ID value for next login.
3653 *next_loopid = (fcport->loop_id + 1);
3656 if (mb[1] & BIT_0) {
3657 fcport->port_type = FCT_INITIATOR;
3658 } else {
3659 fcport->port_type = FCT_TARGET;
3660 if (mb[1] & BIT_1) {
3661 fcport->flags |= FCF_FCP2_DEVICE;
3665 if (mb[10] & BIT_0)
3666 fcport->supported_classes |= FC_COS_CLASS2;
3667 if (mb[10] & BIT_1)
3668 fcport->supported_classes |= FC_COS_CLASS3;
3670 rval = QLA_SUCCESS;
3671 break;
3672 } else if (mb[0] == MBS_LOOP_ID_USED) {
3674 * Loop ID already used, try next loop ID.
3676 fcport->loop_id++;
3677 rval = qla2x00_find_new_loop_id(vha, fcport);
3678 if (rval != QLA_SUCCESS) {
3679 /* Ran out of loop IDs to use */
3680 break;
3682 } else if (mb[0] == MBS_COMMAND_ERROR) {
3684 * Firmware possibly timed out during login. If NO
3685 * retries are left to do then the device is declared
3686 * dead.
3688 *next_loopid = fcport->loop_id;
3689 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3690 fcport->d_id.b.domain, fcport->d_id.b.area,
3691 fcport->d_id.b.al_pa);
3692 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3694 rval = 1;
3695 break;
3696 } else {
3698 * unrecoverable / not handled error
3700 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3701 "loop_id=%x jiffies=%lx.\n",
3702 __func__, vha->host_no, mb[0],
3703 fcport->d_id.b.domain, fcport->d_id.b.area,
3704 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3706 *next_loopid = fcport->loop_id;
3707 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3708 fcport->d_id.b.domain, fcport->d_id.b.area,
3709 fcport->d_id.b.al_pa);
3710 fcport->loop_id = FC_NO_LOOP_ID;
3711 fcport->login_retry = 0;
3713 rval = 3;
3714 break;
3718 return (rval);
3722 * qla2x00_local_device_login
3723 * Issue local device login command.
3725 * Input:
3726 * ha = adapter block pointer.
3727 * loop_id = loop id of device to login to.
3729 * Returns (Where's the #define!!!!):
3730 * 0 - Login successfully
3731 * 1 - Login failed
3732 * 3 - Fatal error
3735 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3737 int rval;
3738 uint16_t mb[MAILBOX_REGISTER_COUNT];
3740 memset(mb, 0, sizeof(mb));
3741 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3742 if (rval == QLA_SUCCESS) {
3743 /* Interrogate mailbox registers for any errors */
3744 if (mb[0] == MBS_COMMAND_ERROR)
3745 rval = 1;
3746 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3747 /* device not in PCB table */
3748 rval = 3;
3751 return (rval);
3755 * qla2x00_loop_resync
3756 * Resync with fibre channel devices.
3758 * Input:
3759 * ha = adapter block pointer.
3761 * Returns:
3762 * 0 = success
3765 qla2x00_loop_resync(scsi_qla_host_t *vha)
3767 int rval = QLA_SUCCESS;
3768 uint32_t wait_time;
3769 struct req_que *req;
3770 struct rsp_que *rsp;
3772 if (vha->hw->flags.cpu_affinity_enabled)
3773 req = vha->hw->req_q_map[0];
3774 else
3775 req = vha->req;
3776 rsp = req->rsp;
3778 atomic_set(&vha->loop_state, LOOP_UPDATE);
3779 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3780 if (vha->flags.online) {
3781 if (!(rval = qla2x00_fw_ready(vha))) {
3782 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3783 wait_time = 256;
3784 do {
3785 atomic_set(&vha->loop_state, LOOP_UPDATE);
3787 /* Issue a marker after FW becomes ready. */
3788 qla2x00_marker(vha, req, rsp, 0, 0,
3789 MK_SYNC_ALL);
3790 vha->marker_needed = 0;
3792 /* Remap devices on Loop. */
3793 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3795 qla2x00_configure_loop(vha);
3796 wait_time--;
3797 } while (!atomic_read(&vha->loop_down_timer) &&
3798 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3799 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3800 &vha->dpc_flags)));
3804 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3805 return (QLA_FUNCTION_FAILED);
3807 if (rval)
3808 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3810 return (rval);
3813 void
3814 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3816 fc_port_t *fcport;
3817 struct scsi_qla_host *vha;
3818 struct qla_hw_data *ha = base_vha->hw;
3819 unsigned long flags;
3821 spin_lock_irqsave(&ha->vport_slock, flags);
3822 /* Go with deferred removal of rport references. */
3823 list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3824 atomic_inc(&vha->vref_count);
3825 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3826 if (fcport && fcport->drport &&
3827 atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3828 spin_unlock_irqrestore(&ha->vport_slock, flags);
3830 qla2x00_rport_del(fcport);
3832 spin_lock_irqsave(&ha->vport_slock, flags);
3835 atomic_dec(&vha->vref_count);
3837 spin_unlock_irqrestore(&ha->vport_slock, flags);
3840 void
3841 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3843 struct qla_hw_data *ha = vha->hw;
3844 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3845 unsigned long flags;
3847 vha->flags.online = 0;
3848 ha->flags.chip_reset_done = 0;
3849 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3850 ha->qla_stats.total_isp_aborts++;
3852 qla_printk(KERN_INFO, ha,
3853 "Performing ISP error recovery - ha= %p.\n", ha);
3855 /* Chip reset does not apply to 82XX */
3856 if (!IS_QLA82XX(ha))
3857 ha->isp_ops->reset_chip(vha);
3859 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3860 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3861 atomic_set(&vha->loop_state, LOOP_DOWN);
3862 qla2x00_mark_all_devices_lost(vha, 0);
3864 spin_lock_irqsave(&ha->vport_slock, flags);
3865 list_for_each_entry(vp, &base_vha->hw->vp_list, list) {
3866 atomic_inc(&vp->vref_count);
3867 spin_unlock_irqrestore(&ha->vport_slock, flags);
3869 qla2x00_mark_all_devices_lost(vp, 0);
3871 spin_lock_irqsave(&ha->vport_slock, flags);
3872 atomic_dec(&vp->vref_count);
3874 spin_unlock_irqrestore(&ha->vport_slock, flags);
3875 } else {
3876 if (!atomic_read(&vha->loop_down_timer))
3877 atomic_set(&vha->loop_down_timer,
3878 LOOP_DOWN_TIME);
3881 /* Make sure for ISP 82XX IO DMA is complete */
3882 if (IS_QLA82XX(ha)) {
3883 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
3884 WAIT_HOST) == QLA_SUCCESS) {
3885 DEBUG2(qla_printk(KERN_INFO, ha,
3886 "Done wait for pending commands\n"));
3890 /* Requeue all commands in outstanding command list. */
3891 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3895 * qla2x00_abort_isp
3896 * Resets ISP and aborts all outstanding commands.
3898 * Input:
3899 * ha = adapter block pointer.
3901 * Returns:
3902 * 0 = success
3905 qla2x00_abort_isp(scsi_qla_host_t *vha)
3907 int rval;
3908 uint8_t status = 0;
3909 struct qla_hw_data *ha = vha->hw;
3910 struct scsi_qla_host *vp;
3911 struct req_que *req = ha->req_q_map[0];
3912 unsigned long flags;
3914 if (vha->flags.online) {
3915 qla2x00_abort_isp_cleanup(vha);
3917 if (unlikely(pci_channel_offline(ha->pdev) &&
3918 ha->flags.pci_channel_io_perm_failure)) {
3919 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3920 status = 0;
3921 return status;
3924 ha->isp_ops->get_flash_version(vha, req->ring);
3926 ha->isp_ops->nvram_config(vha);
3928 if (!qla2x00_restart_isp(vha)) {
3929 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3931 if (!atomic_read(&vha->loop_down_timer)) {
3933 * Issue marker command only when we are going
3934 * to start the I/O .
3936 vha->marker_needed = 1;
3939 vha->flags.online = 1;
3941 ha->isp_ops->enable_intrs(ha);
3943 ha->isp_abort_cnt = 0;
3944 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3946 if (IS_QLA81XX(ha))
3947 qla2x00_get_fw_version(vha,
3948 &ha->fw_major_version,
3949 &ha->fw_minor_version,
3950 &ha->fw_subminor_version,
3951 &ha->fw_attributes, &ha->fw_memory_size,
3952 ha->mpi_version, &ha->mpi_capabilities,
3953 ha->phy_version);
3955 if (ha->fce) {
3956 ha->flags.fce_enabled = 1;
3957 memset(ha->fce, 0,
3958 fce_calc_size(ha->fce_bufs));
3959 rval = qla2x00_enable_fce_trace(vha,
3960 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3961 &ha->fce_bufs);
3962 if (rval) {
3963 qla_printk(KERN_WARNING, ha,
3964 "Unable to reinitialize FCE "
3965 "(%d).\n", rval);
3966 ha->flags.fce_enabled = 0;
3970 if (ha->eft) {
3971 memset(ha->eft, 0, EFT_SIZE);
3972 rval = qla2x00_enable_eft_trace(vha,
3973 ha->eft_dma, EFT_NUM_BUFFERS);
3974 if (rval) {
3975 qla_printk(KERN_WARNING, ha,
3976 "Unable to reinitialize EFT "
3977 "(%d).\n", rval);
3980 } else { /* failed the ISP abort */
3981 vha->flags.online = 1;
3982 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3983 if (ha->isp_abort_cnt == 0) {
3984 qla_printk(KERN_WARNING, ha,
3985 "ISP error recovery failed - "
3986 "board disabled\n");
3988 * The next call disables the board
3989 * completely.
3991 ha->isp_ops->reset_adapter(vha);
3992 vha->flags.online = 0;
3993 clear_bit(ISP_ABORT_RETRY,
3994 &vha->dpc_flags);
3995 status = 0;
3996 } else { /* schedule another ISP abort */
3997 ha->isp_abort_cnt--;
3998 DEBUG(printk("qla%ld: ISP abort - "
3999 "retry remaining %d\n",
4000 vha->host_no, ha->isp_abort_cnt));
4001 status = 1;
4003 } else {
4004 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4005 DEBUG(printk("qla2x00(%ld): ISP error recovery "
4006 "- retrying (%d) more times\n",
4007 vha->host_no, ha->isp_abort_cnt));
4008 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4009 status = 1;
4015 if (!status) {
4016 DEBUG(printk(KERN_INFO
4017 "qla2x00_abort_isp(%ld): succeeded.\n",
4018 vha->host_no));
4020 spin_lock_irqsave(&ha->vport_slock, flags);
4021 list_for_each_entry(vp, &ha->vp_list, list) {
4022 if (vp->vp_idx) {
4023 atomic_inc(&vp->vref_count);
4024 spin_unlock_irqrestore(&ha->vport_slock, flags);
4026 qla2x00_vp_abort_isp(vp);
4028 spin_lock_irqsave(&ha->vport_slock, flags);
4029 atomic_dec(&vp->vref_count);
4032 spin_unlock_irqrestore(&ha->vport_slock, flags);
4034 } else {
4035 qla_printk(KERN_INFO, ha,
4036 "qla2x00_abort_isp: **** FAILED ****\n");
4039 return(status);
4043 * qla2x00_restart_isp
4044 * restarts the ISP after a reset
4046 * Input:
4047 * ha = adapter block pointer.
4049 * Returns:
4050 * 0 = success
4052 static int
4053 qla2x00_restart_isp(scsi_qla_host_t *vha)
4055 int status = 0;
4056 uint32_t wait_time;
4057 struct qla_hw_data *ha = vha->hw;
4058 struct req_que *req = ha->req_q_map[0];
4059 struct rsp_que *rsp = ha->rsp_q_map[0];
4061 /* If firmware needs to be loaded */
4062 if (qla2x00_isp_firmware(vha)) {
4063 vha->flags.online = 0;
4064 status = ha->isp_ops->chip_diag(vha);
4065 if (!status)
4066 status = qla2x00_setup_chip(vha);
4069 if (!status && !(status = qla2x00_init_rings(vha))) {
4070 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4071 ha->flags.chip_reset_done = 1;
4072 /* Initialize the queues in use */
4073 qla25xx_init_queues(ha);
4075 status = qla2x00_fw_ready(vha);
4076 if (!status) {
4077 DEBUG(printk("%s(): Start configure loop, "
4078 "status = %d\n", __func__, status));
4080 /* Issue a marker after FW becomes ready. */
4081 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4083 vha->flags.online = 1;
4084 /* Wait at most MAX_TARGET RSCNs for a stable link. */
4085 wait_time = 256;
4086 do {
4087 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4088 qla2x00_configure_loop(vha);
4089 wait_time--;
4090 } while (!atomic_read(&vha->loop_down_timer) &&
4091 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4092 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4093 &vha->dpc_flags)));
4096 /* if no cable then assume it's good */
4097 if ((vha->device_flags & DFLG_NO_CABLE))
4098 status = 0;
4100 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
4101 __func__,
4102 status));
4104 return (status);
4107 static int
4108 qla25xx_init_queues(struct qla_hw_data *ha)
4110 struct rsp_que *rsp = NULL;
4111 struct req_que *req = NULL;
4112 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4113 int ret = -1;
4114 int i;
4116 for (i = 1; i < ha->max_rsp_queues; i++) {
4117 rsp = ha->rsp_q_map[i];
4118 if (rsp) {
4119 rsp->options &= ~BIT_0;
4120 ret = qla25xx_init_rsp_que(base_vha, rsp);
4121 if (ret != QLA_SUCCESS)
4122 DEBUG2_17(printk(KERN_WARNING
4123 "%s Rsp que:%d init failed\n", __func__,
4124 rsp->id));
4125 else
4126 DEBUG2_17(printk(KERN_INFO
4127 "%s Rsp que:%d inited\n", __func__,
4128 rsp->id));
4131 for (i = 1; i < ha->max_req_queues; i++) {
4132 req = ha->req_q_map[i];
4133 if (req) {
4134 /* Clear outstanding commands array. */
4135 req->options &= ~BIT_0;
4136 ret = qla25xx_init_req_que(base_vha, req);
4137 if (ret != QLA_SUCCESS)
4138 DEBUG2_17(printk(KERN_WARNING
4139 "%s Req que:%d init failed\n", __func__,
4140 req->id));
4141 else
4142 DEBUG2_17(printk(KERN_WARNING
4143 "%s Req que:%d inited\n", __func__,
4144 req->id));
4147 return ret;
4151 * qla2x00_reset_adapter
4152 * Reset adapter.
4154 * Input:
4155 * ha = adapter block pointer.
4157 void
4158 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4160 unsigned long flags = 0;
4161 struct qla_hw_data *ha = vha->hw;
4162 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4164 vha->flags.online = 0;
4165 ha->isp_ops->disable_intrs(ha);
4167 spin_lock_irqsave(&ha->hardware_lock, flags);
4168 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4169 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4170 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4171 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4172 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4175 void
4176 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4178 unsigned long flags = 0;
4179 struct qla_hw_data *ha = vha->hw;
4180 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4182 if (IS_QLA82XX(ha))
4183 return;
4185 vha->flags.online = 0;
4186 ha->isp_ops->disable_intrs(ha);
4188 spin_lock_irqsave(&ha->hardware_lock, flags);
4189 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4190 RD_REG_DWORD(&reg->hccr);
4191 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4192 RD_REG_DWORD(&reg->hccr);
4193 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4195 if (IS_NOPOLLING_TYPE(ha))
4196 ha->isp_ops->enable_intrs(ha);
4199 /* On sparc systems, obtain port and node WWN from firmware
4200 * properties.
4202 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4203 struct nvram_24xx *nv)
4205 #ifdef CONFIG_SPARC
4206 struct qla_hw_data *ha = vha->hw;
4207 struct pci_dev *pdev = ha->pdev;
4208 struct device_node *dp = pci_device_to_OF_node(pdev);
4209 const u8 *val;
4210 int len;
4212 val = of_get_property(dp, "port-wwn", &len);
4213 if (val && len >= WWN_SIZE)
4214 memcpy(nv->port_name, val, WWN_SIZE);
4216 val = of_get_property(dp, "node-wwn", &len);
4217 if (val && len >= WWN_SIZE)
4218 memcpy(nv->node_name, val, WWN_SIZE);
4219 #endif
4223 qla24xx_nvram_config(scsi_qla_host_t *vha)
4225 int rval;
4226 struct init_cb_24xx *icb;
4227 struct nvram_24xx *nv;
4228 uint32_t *dptr;
4229 uint8_t *dptr1, *dptr2;
4230 uint32_t chksum;
4231 uint16_t cnt;
4232 struct qla_hw_data *ha = vha->hw;
4234 rval = QLA_SUCCESS;
4235 icb = (struct init_cb_24xx *)ha->init_cb;
4236 nv = ha->nvram;
4238 /* Determine NVRAM starting address. */
4239 if (ha->flags.port0) {
4240 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4241 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4242 } else {
4243 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4244 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4246 ha->nvram_size = sizeof(struct nvram_24xx);
4247 ha->vpd_size = FA_NVRAM_VPD_SIZE;
4248 if (IS_QLA82XX(ha))
4249 ha->vpd_size = FA_VPD_SIZE_82XX;
4251 /* Get VPD data into cache */
4252 ha->vpd = ha->nvram + VPD_OFFSET;
4253 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4254 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4256 /* Get NVRAM data into cache and calculate checksum. */
4257 dptr = (uint32_t *)nv;
4258 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4259 ha->nvram_size);
4260 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4261 chksum += le32_to_cpu(*dptr++);
4263 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4264 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4266 /* Bad NVRAM data, set defaults parameters. */
4267 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4268 || nv->id[3] != ' ' ||
4269 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4270 /* Reset NVRAM data. */
4271 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4272 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4273 le16_to_cpu(nv->nvram_version));
4274 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4275 "invalid -- WWPN) defaults.\n");
4278 * Set default initialization control block.
4280 memset(nv, 0, ha->nvram_size);
4281 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4282 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4283 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4284 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4285 nv->exchange_count = __constant_cpu_to_le16(0);
4286 nv->hard_address = __constant_cpu_to_le16(124);
4287 nv->port_name[0] = 0x21;
4288 nv->port_name[1] = 0x00 + ha->port_no;
4289 nv->port_name[2] = 0x00;
4290 nv->port_name[3] = 0xe0;
4291 nv->port_name[4] = 0x8b;
4292 nv->port_name[5] = 0x1c;
4293 nv->port_name[6] = 0x55;
4294 nv->port_name[7] = 0x86;
4295 nv->node_name[0] = 0x20;
4296 nv->node_name[1] = 0x00;
4297 nv->node_name[2] = 0x00;
4298 nv->node_name[3] = 0xe0;
4299 nv->node_name[4] = 0x8b;
4300 nv->node_name[5] = 0x1c;
4301 nv->node_name[6] = 0x55;
4302 nv->node_name[7] = 0x86;
4303 qla24xx_nvram_wwn_from_ofw(vha, nv);
4304 nv->login_retry_count = __constant_cpu_to_le16(8);
4305 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4306 nv->login_timeout = __constant_cpu_to_le16(0);
4307 nv->firmware_options_1 =
4308 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4309 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4310 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4311 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4312 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4313 nv->efi_parameters = __constant_cpu_to_le32(0);
4314 nv->reset_delay = 5;
4315 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4316 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4317 nv->link_down_timeout = __constant_cpu_to_le16(30);
4319 rval = 1;
4322 /* Reset Initialization control block */
4323 memset(icb, 0, ha->init_cb_size);
4325 /* Copy 1st segment. */
4326 dptr1 = (uint8_t *)icb;
4327 dptr2 = (uint8_t *)&nv->version;
4328 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4329 while (cnt--)
4330 *dptr1++ = *dptr2++;
4332 icb->login_retry_count = nv->login_retry_count;
4333 icb->link_down_on_nos = nv->link_down_on_nos;
4335 /* Copy 2nd segment. */
4336 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4337 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4338 cnt = (uint8_t *)&icb->reserved_3 -
4339 (uint8_t *)&icb->interrupt_delay_timer;
4340 while (cnt--)
4341 *dptr1++ = *dptr2++;
4344 * Setup driver NVRAM options.
4346 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4347 "QLA2462");
4349 /* Use alternate WWN? */
4350 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4351 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4352 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4355 /* Prepare nodename */
4356 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4358 * Firmware will apply the following mask if the nodename was
4359 * not provided.
4361 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4362 icb->node_name[0] &= 0xF0;
4365 /* Set host adapter parameters. */
4366 ha->flags.disable_risc_code_load = 0;
4367 ha->flags.enable_lip_reset = 0;
4368 ha->flags.enable_lip_full_login =
4369 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4370 ha->flags.enable_target_reset =
4371 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4372 ha->flags.enable_led_scheme = 0;
4373 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4375 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4376 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4378 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4379 sizeof(ha->fw_seriallink_options24));
4381 /* save HBA serial number */
4382 ha->serial0 = icb->port_name[5];
4383 ha->serial1 = icb->port_name[6];
4384 ha->serial2 = icb->port_name[7];
4385 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4386 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4388 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4390 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4392 /* Set minimum login_timeout to 4 seconds. */
4393 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4394 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4395 if (le16_to_cpu(nv->login_timeout) < 4)
4396 nv->login_timeout = __constant_cpu_to_le16(4);
4397 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4398 icb->login_timeout = nv->login_timeout;
4400 /* Set minimum RATOV to 100 tenths of a second. */
4401 ha->r_a_tov = 100;
4403 ha->loop_reset_delay = nv->reset_delay;
4405 /* Link Down Timeout = 0:
4407 * When Port Down timer expires we will start returning
4408 * I/O's to OS with "DID_NO_CONNECT".
4410 * Link Down Timeout != 0:
4412 * The driver waits for the link to come up after link down
4413 * before returning I/Os to OS with "DID_NO_CONNECT".
4415 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4416 ha->loop_down_abort_time =
4417 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4418 } else {
4419 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4420 ha->loop_down_abort_time =
4421 (LOOP_DOWN_TIME - ha->link_down_timeout);
4424 /* Need enough time to try and get the port back. */
4425 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4426 if (qlport_down_retry)
4427 ha->port_down_retry_count = qlport_down_retry;
4429 /* Set login_retry_count */
4430 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4431 if (ha->port_down_retry_count ==
4432 le16_to_cpu(nv->port_down_retry_count) &&
4433 ha->port_down_retry_count > 3)
4434 ha->login_retry_count = ha->port_down_retry_count;
4435 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4436 ha->login_retry_count = ha->port_down_retry_count;
4437 if (ql2xloginretrycount)
4438 ha->login_retry_count = ql2xloginretrycount;
4440 /* Enable ZIO. */
4441 if (!vha->flags.init_done) {
4442 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4443 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4444 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4445 le16_to_cpu(icb->interrupt_delay_timer): 2;
4447 icb->firmware_options_2 &= __constant_cpu_to_le32(
4448 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4449 vha->flags.process_response_queue = 0;
4450 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4451 ha->zio_mode = QLA_ZIO_MODE_6;
4453 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4454 "(%d us).\n", vha->host_no, ha->zio_mode,
4455 ha->zio_timer * 100));
4456 qla_printk(KERN_INFO, ha,
4457 "ZIO mode %d enabled; timer delay (%d us).\n",
4458 ha->zio_mode, ha->zio_timer * 100);
4460 icb->firmware_options_2 |= cpu_to_le32(
4461 (uint32_t)ha->zio_mode);
4462 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4463 vha->flags.process_response_queue = 1;
4466 if (rval) {
4467 DEBUG2_3(printk(KERN_WARNING
4468 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4470 return (rval);
4473 static int
4474 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4475 uint32_t faddr)
4477 int rval = QLA_SUCCESS;
4478 int segments, fragment;
4479 uint32_t *dcode, dlen;
4480 uint32_t risc_addr;
4481 uint32_t risc_size;
4482 uint32_t i;
4483 struct qla_hw_data *ha = vha->hw;
4484 struct req_que *req = ha->req_q_map[0];
4486 qla_printk(KERN_INFO, ha,
4487 "FW: Loading from flash (%x)...\n", faddr);
4489 rval = QLA_SUCCESS;
4491 segments = FA_RISC_CODE_SEGMENTS;
4492 dcode = (uint32_t *)req->ring;
4493 *srisc_addr = 0;
4495 /* Validate firmware image by checking version. */
4496 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4497 for (i = 0; i < 4; i++)
4498 dcode[i] = be32_to_cpu(dcode[i]);
4499 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4500 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4501 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4502 dcode[3] == 0)) {
4503 qla_printk(KERN_WARNING, ha,
4504 "Unable to verify integrity of flash firmware image!\n");
4505 qla_printk(KERN_WARNING, ha,
4506 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4507 dcode[1], dcode[2], dcode[3]);
4509 return QLA_FUNCTION_FAILED;
4512 while (segments && rval == QLA_SUCCESS) {
4513 /* Read segment's load information. */
4514 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4516 risc_addr = be32_to_cpu(dcode[2]);
4517 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4518 risc_size = be32_to_cpu(dcode[3]);
4520 fragment = 0;
4521 while (risc_size > 0 && rval == QLA_SUCCESS) {
4522 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4523 if (dlen > risc_size)
4524 dlen = risc_size;
4526 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4527 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4528 vha->host_no, risc_addr, dlen, faddr));
4530 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4531 for (i = 0; i < dlen; i++)
4532 dcode[i] = swab32(dcode[i]);
4534 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4535 dlen);
4536 if (rval) {
4537 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4538 "segment %d of firmware\n", vha->host_no,
4539 fragment));
4540 qla_printk(KERN_WARNING, ha,
4541 "[ERROR] Failed to load segment %d of "
4542 "firmware\n", fragment);
4543 break;
4546 faddr += dlen;
4547 risc_addr += dlen;
4548 risc_size -= dlen;
4549 fragment++;
4552 /* Next segment. */
4553 segments--;
4556 return rval;
4559 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4562 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4564 int rval;
4565 int i, fragment;
4566 uint16_t *wcode, *fwcode;
4567 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4568 struct fw_blob *blob;
4569 struct qla_hw_data *ha = vha->hw;
4570 struct req_que *req = ha->req_q_map[0];
4572 /* Load firmware blob. */
4573 blob = qla2x00_request_firmware(vha);
4574 if (!blob) {
4575 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4576 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4577 "from: " QLA_FW_URL ".\n");
4578 return QLA_FUNCTION_FAILED;
4581 rval = QLA_SUCCESS;
4583 wcode = (uint16_t *)req->ring;
4584 *srisc_addr = 0;
4585 fwcode = (uint16_t *)blob->fw->data;
4586 fwclen = 0;
4588 /* Validate firmware image by checking version. */
4589 if (blob->fw->size < 8 * sizeof(uint16_t)) {
4590 qla_printk(KERN_WARNING, ha,
4591 "Unable to verify integrity of firmware image (%Zd)!\n",
4592 blob->fw->size);
4593 goto fail_fw_integrity;
4595 for (i = 0; i < 4; i++)
4596 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4597 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4598 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4599 wcode[2] == 0 && wcode[3] == 0)) {
4600 qla_printk(KERN_WARNING, ha,
4601 "Unable to verify integrity of firmware image!\n");
4602 qla_printk(KERN_WARNING, ha,
4603 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4604 wcode[1], wcode[2], wcode[3]);
4605 goto fail_fw_integrity;
4608 seg = blob->segs;
4609 while (*seg && rval == QLA_SUCCESS) {
4610 risc_addr = *seg;
4611 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4612 risc_size = be16_to_cpu(fwcode[3]);
4614 /* Validate firmware image size. */
4615 fwclen += risc_size * sizeof(uint16_t);
4616 if (blob->fw->size < fwclen) {
4617 qla_printk(KERN_WARNING, ha,
4618 "Unable to verify integrity of firmware image "
4619 "(%Zd)!\n", blob->fw->size);
4620 goto fail_fw_integrity;
4623 fragment = 0;
4624 while (risc_size > 0 && rval == QLA_SUCCESS) {
4625 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4626 if (wlen > risc_size)
4627 wlen = risc_size;
4629 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4630 "addr %x, number of words 0x%x.\n", vha->host_no,
4631 risc_addr, wlen));
4633 for (i = 0; i < wlen; i++)
4634 wcode[i] = swab16(fwcode[i]);
4636 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4637 wlen);
4638 if (rval) {
4639 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4640 "segment %d of firmware\n", vha->host_no,
4641 fragment));
4642 qla_printk(KERN_WARNING, ha,
4643 "[ERROR] Failed to load segment %d of "
4644 "firmware\n", fragment);
4645 break;
4648 fwcode += wlen;
4649 risc_addr += wlen;
4650 risc_size -= wlen;
4651 fragment++;
4654 /* Next segment. */
4655 seg++;
4657 return rval;
4659 fail_fw_integrity:
4660 return QLA_FUNCTION_FAILED;
4663 static int
4664 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4666 int rval;
4667 int segments, fragment;
4668 uint32_t *dcode, dlen;
4669 uint32_t risc_addr;
4670 uint32_t risc_size;
4671 uint32_t i;
4672 struct fw_blob *blob;
4673 uint32_t *fwcode, fwclen;
4674 struct qla_hw_data *ha = vha->hw;
4675 struct req_que *req = ha->req_q_map[0];
4677 /* Load firmware blob. */
4678 blob = qla2x00_request_firmware(vha);
4679 if (!blob) {
4680 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4681 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4682 "from: " QLA_FW_URL ".\n");
4684 return QLA_FUNCTION_FAILED;
4687 qla_printk(KERN_INFO, ha,
4688 "FW: Loading via request-firmware...\n");
4690 rval = QLA_SUCCESS;
4692 segments = FA_RISC_CODE_SEGMENTS;
4693 dcode = (uint32_t *)req->ring;
4694 *srisc_addr = 0;
4695 fwcode = (uint32_t *)blob->fw->data;
4696 fwclen = 0;
4698 /* Validate firmware image by checking version. */
4699 if (blob->fw->size < 8 * sizeof(uint32_t)) {
4700 qla_printk(KERN_WARNING, ha,
4701 "Unable to verify integrity of firmware image (%Zd)!\n",
4702 blob->fw->size);
4703 goto fail_fw_integrity;
4705 for (i = 0; i < 4; i++)
4706 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4707 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4708 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4709 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4710 dcode[3] == 0)) {
4711 qla_printk(KERN_WARNING, ha,
4712 "Unable to verify integrity of firmware image!\n");
4713 qla_printk(KERN_WARNING, ha,
4714 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4715 dcode[1], dcode[2], dcode[3]);
4716 goto fail_fw_integrity;
4719 while (segments && rval == QLA_SUCCESS) {
4720 risc_addr = be32_to_cpu(fwcode[2]);
4721 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4722 risc_size = be32_to_cpu(fwcode[3]);
4724 /* Validate firmware image size. */
4725 fwclen += risc_size * sizeof(uint32_t);
4726 if (blob->fw->size < fwclen) {
4727 qla_printk(KERN_WARNING, ha,
4728 "Unable to verify integrity of firmware image "
4729 "(%Zd)!\n", blob->fw->size);
4731 goto fail_fw_integrity;
4734 fragment = 0;
4735 while (risc_size > 0 && rval == QLA_SUCCESS) {
4736 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4737 if (dlen > risc_size)
4738 dlen = risc_size;
4740 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4741 "addr %x, number of dwords 0x%x.\n", vha->host_no,
4742 risc_addr, dlen));
4744 for (i = 0; i < dlen; i++)
4745 dcode[i] = swab32(fwcode[i]);
4747 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4748 dlen);
4749 if (rval) {
4750 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4751 "segment %d of firmware\n", vha->host_no,
4752 fragment));
4753 qla_printk(KERN_WARNING, ha,
4754 "[ERROR] Failed to load segment %d of "
4755 "firmware\n", fragment);
4756 break;
4759 fwcode += dlen;
4760 risc_addr += dlen;
4761 risc_size -= dlen;
4762 fragment++;
4765 /* Next segment. */
4766 segments--;
4768 return rval;
4770 fail_fw_integrity:
4771 return QLA_FUNCTION_FAILED;
4775 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4777 int rval;
4779 if (ql2xfwloadbin == 1)
4780 return qla81xx_load_risc(vha, srisc_addr);
4783 * FW Load priority:
4784 * 1) Firmware via request-firmware interface (.bin file).
4785 * 2) Firmware residing in flash.
4787 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4788 if (rval == QLA_SUCCESS)
4789 return rval;
4791 return qla24xx_load_risc_flash(vha, srisc_addr,
4792 vha->hw->flt_region_fw);
4796 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4798 int rval;
4799 struct qla_hw_data *ha = vha->hw;
4801 if (ql2xfwloadbin == 2)
4802 goto try_blob_fw;
4805 * FW Load priority:
4806 * 1) Firmware residing in flash.
4807 * 2) Firmware via request-firmware interface (.bin file).
4808 * 3) Golden-Firmware residing in flash -- limited operation.
4810 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4811 if (rval == QLA_SUCCESS)
4812 return rval;
4814 try_blob_fw:
4815 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4816 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4817 return rval;
4819 qla_printk(KERN_ERR, ha,
4820 "FW: Attempting to fallback to golden firmware...\n");
4821 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4822 if (rval != QLA_SUCCESS)
4823 return rval;
4825 qla_printk(KERN_ERR, ha,
4826 "FW: Please update operational firmware...\n");
4827 ha->flags.running_gold_fw = 1;
4829 return rval;
4832 void
4833 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4835 int ret, retries;
4836 struct qla_hw_data *ha = vha->hw;
4838 if (ha->flags.pci_channel_io_perm_failure)
4839 return;
4840 if (!IS_FWI2_CAPABLE(ha))
4841 return;
4842 if (!ha->fw_major_version)
4843 return;
4845 ret = qla2x00_stop_firmware(vha);
4846 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4847 ret != QLA_INVALID_COMMAND && retries ; retries--) {
4848 ha->isp_ops->reset_chip(vha);
4849 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4850 continue;
4851 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4852 continue;
4853 qla_printk(KERN_INFO, ha,
4854 "Attempting retry of stop-firmware command...\n");
4855 ret = qla2x00_stop_firmware(vha);
4860 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4862 int rval = QLA_SUCCESS;
4863 uint16_t mb[MAILBOX_REGISTER_COUNT];
4864 struct qla_hw_data *ha = vha->hw;
4865 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4866 struct req_que *req;
4867 struct rsp_que *rsp;
4869 if (!vha->vp_idx)
4870 return -EINVAL;
4872 rval = qla2x00_fw_ready(base_vha);
4873 if (ha->flags.cpu_affinity_enabled)
4874 req = ha->req_q_map[0];
4875 else
4876 req = vha->req;
4877 rsp = req->rsp;
4879 if (rval == QLA_SUCCESS) {
4880 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4881 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4884 vha->flags.management_server_logged_in = 0;
4886 /* Login to SNS first */
4887 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4888 if (mb[0] != MBS_COMMAND_COMPLETE) {
4889 DEBUG15(qla_printk(KERN_INFO, ha,
4890 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4891 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4892 mb[0], mb[1], mb[2], mb[6], mb[7]));
4893 return (QLA_FUNCTION_FAILED);
4896 atomic_set(&vha->loop_down_timer, 0);
4897 atomic_set(&vha->loop_state, LOOP_UP);
4898 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4899 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4900 rval = qla2x00_loop_resync(base_vha);
4902 return rval;
4905 /* 84XX Support **************************************************************/
4907 static LIST_HEAD(qla_cs84xx_list);
4908 static DEFINE_MUTEX(qla_cs84xx_mutex);
4910 static struct qla_chip_state_84xx *
4911 qla84xx_get_chip(struct scsi_qla_host *vha)
4913 struct qla_chip_state_84xx *cs84xx;
4914 struct qla_hw_data *ha = vha->hw;
4916 mutex_lock(&qla_cs84xx_mutex);
4918 /* Find any shared 84xx chip. */
4919 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4920 if (cs84xx->bus == ha->pdev->bus) {
4921 kref_get(&cs84xx->kref);
4922 goto done;
4926 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4927 if (!cs84xx)
4928 goto done;
4930 kref_init(&cs84xx->kref);
4931 spin_lock_init(&cs84xx->access_lock);
4932 mutex_init(&cs84xx->fw_update_mutex);
4933 cs84xx->bus = ha->pdev->bus;
4935 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4936 done:
4937 mutex_unlock(&qla_cs84xx_mutex);
4938 return cs84xx;
4941 static void
4942 __qla84xx_chip_release(struct kref *kref)
4944 struct qla_chip_state_84xx *cs84xx =
4945 container_of(kref, struct qla_chip_state_84xx, kref);
4947 mutex_lock(&qla_cs84xx_mutex);
4948 list_del(&cs84xx->list);
4949 mutex_unlock(&qla_cs84xx_mutex);
4950 kfree(cs84xx);
4953 void
4954 qla84xx_put_chip(struct scsi_qla_host *vha)
4956 struct qla_hw_data *ha = vha->hw;
4957 if (ha->cs84xx)
4958 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4961 static int
4962 qla84xx_init_chip(scsi_qla_host_t *vha)
4964 int rval;
4965 uint16_t status[2];
4966 struct qla_hw_data *ha = vha->hw;
4968 mutex_lock(&ha->cs84xx->fw_update_mutex);
4970 rval = qla84xx_verify_chip(vha, status);
4972 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4974 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4975 QLA_SUCCESS;
4978 /* 81XX Support **************************************************************/
4981 qla81xx_nvram_config(scsi_qla_host_t *vha)
4983 int rval;
4984 struct init_cb_81xx *icb;
4985 struct nvram_81xx *nv;
4986 uint32_t *dptr;
4987 uint8_t *dptr1, *dptr2;
4988 uint32_t chksum;
4989 uint16_t cnt;
4990 struct qla_hw_data *ha = vha->hw;
4992 rval = QLA_SUCCESS;
4993 icb = (struct init_cb_81xx *)ha->init_cb;
4994 nv = ha->nvram;
4996 /* Determine NVRAM starting address. */
4997 ha->nvram_size = sizeof(struct nvram_81xx);
4998 ha->vpd_size = FA_NVRAM_VPD_SIZE;
5000 /* Get VPD data into cache */
5001 ha->vpd = ha->nvram + VPD_OFFSET;
5002 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5003 ha->vpd_size);
5005 /* Get NVRAM data into cache and calculate checksum. */
5006 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5007 ha->nvram_size);
5008 dptr = (uint32_t *)nv;
5009 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5010 chksum += le32_to_cpu(*dptr++);
5012 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
5013 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
5015 /* Bad NVRAM data, set defaults parameters. */
5016 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5017 || nv->id[3] != ' ' ||
5018 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5019 /* Reset NVRAM data. */
5020 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
5021 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
5022 le16_to_cpu(nv->nvram_version));
5023 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
5024 "invalid -- WWPN) defaults.\n");
5027 * Set default initialization control block.
5029 memset(nv, 0, ha->nvram_size);
5030 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5031 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5032 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5033 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5034 nv->exchange_count = __constant_cpu_to_le16(0);
5035 nv->port_name[0] = 0x21;
5036 nv->port_name[1] = 0x00 + ha->port_no;
5037 nv->port_name[2] = 0x00;
5038 nv->port_name[3] = 0xe0;
5039 nv->port_name[4] = 0x8b;
5040 nv->port_name[5] = 0x1c;
5041 nv->port_name[6] = 0x55;
5042 nv->port_name[7] = 0x86;
5043 nv->node_name[0] = 0x20;
5044 nv->node_name[1] = 0x00;
5045 nv->node_name[2] = 0x00;
5046 nv->node_name[3] = 0xe0;
5047 nv->node_name[4] = 0x8b;
5048 nv->node_name[5] = 0x1c;
5049 nv->node_name[6] = 0x55;
5050 nv->node_name[7] = 0x86;
5051 nv->login_retry_count = __constant_cpu_to_le16(8);
5052 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5053 nv->login_timeout = __constant_cpu_to_le16(0);
5054 nv->firmware_options_1 =
5055 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5056 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5057 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5058 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5059 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5060 nv->efi_parameters = __constant_cpu_to_le32(0);
5061 nv->reset_delay = 5;
5062 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5063 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5064 nv->link_down_timeout = __constant_cpu_to_le16(30);
5065 nv->enode_mac[0] = 0x00;
5066 nv->enode_mac[1] = 0x02;
5067 nv->enode_mac[2] = 0x03;
5068 nv->enode_mac[3] = 0x04;
5069 nv->enode_mac[4] = 0x05;
5070 nv->enode_mac[5] = 0x06 + ha->port_no;
5072 rval = 1;
5075 /* Reset Initialization control block */
5076 memset(icb, 0, sizeof(struct init_cb_81xx));
5078 /* Copy 1st segment. */
5079 dptr1 = (uint8_t *)icb;
5080 dptr2 = (uint8_t *)&nv->version;
5081 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5082 while (cnt--)
5083 *dptr1++ = *dptr2++;
5085 icb->login_retry_count = nv->login_retry_count;
5087 /* Copy 2nd segment. */
5088 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5089 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5090 cnt = (uint8_t *)&icb->reserved_5 -
5091 (uint8_t *)&icb->interrupt_delay_timer;
5092 while (cnt--)
5093 *dptr1++ = *dptr2++;
5095 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5096 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5097 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5098 icb->enode_mac[0] = 0x01;
5099 icb->enode_mac[1] = 0x02;
5100 icb->enode_mac[2] = 0x03;
5101 icb->enode_mac[3] = 0x04;
5102 icb->enode_mac[4] = 0x05;
5103 icb->enode_mac[5] = 0x06 + ha->port_no;
5106 /* Use extended-initialization control block. */
5107 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5110 * Setup driver NVRAM options.
5112 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5113 "QLE8XXX");
5115 /* Use alternate WWN? */
5116 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5117 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5118 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5121 /* Prepare nodename */
5122 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5124 * Firmware will apply the following mask if the nodename was
5125 * not provided.
5127 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5128 icb->node_name[0] &= 0xF0;
5131 /* Set host adapter parameters. */
5132 ha->flags.disable_risc_code_load = 0;
5133 ha->flags.enable_lip_reset = 0;
5134 ha->flags.enable_lip_full_login =
5135 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5136 ha->flags.enable_target_reset =
5137 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5138 ha->flags.enable_led_scheme = 0;
5139 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5141 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5142 (BIT_6 | BIT_5 | BIT_4)) >> 4;
5144 /* save HBA serial number */
5145 ha->serial0 = icb->port_name[5];
5146 ha->serial1 = icb->port_name[6];
5147 ha->serial2 = icb->port_name[7];
5148 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5149 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5151 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5153 ha->retry_count = le16_to_cpu(nv->login_retry_count);
5155 /* Set minimum login_timeout to 4 seconds. */
5156 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5157 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5158 if (le16_to_cpu(nv->login_timeout) < 4)
5159 nv->login_timeout = __constant_cpu_to_le16(4);
5160 ha->login_timeout = le16_to_cpu(nv->login_timeout);
5161 icb->login_timeout = nv->login_timeout;
5163 /* Set minimum RATOV to 100 tenths of a second. */
5164 ha->r_a_tov = 100;
5166 ha->loop_reset_delay = nv->reset_delay;
5168 /* Link Down Timeout = 0:
5170 * When Port Down timer expires we will start returning
5171 * I/O's to OS with "DID_NO_CONNECT".
5173 * Link Down Timeout != 0:
5175 * The driver waits for the link to come up after link down
5176 * before returning I/Os to OS with "DID_NO_CONNECT".
5178 if (le16_to_cpu(nv->link_down_timeout) == 0) {
5179 ha->loop_down_abort_time =
5180 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5181 } else {
5182 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5183 ha->loop_down_abort_time =
5184 (LOOP_DOWN_TIME - ha->link_down_timeout);
5187 /* Need enough time to try and get the port back. */
5188 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5189 if (qlport_down_retry)
5190 ha->port_down_retry_count = qlport_down_retry;
5192 /* Set login_retry_count */
5193 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
5194 if (ha->port_down_retry_count ==
5195 le16_to_cpu(nv->port_down_retry_count) &&
5196 ha->port_down_retry_count > 3)
5197 ha->login_retry_count = ha->port_down_retry_count;
5198 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5199 ha->login_retry_count = ha->port_down_retry_count;
5200 if (ql2xloginretrycount)
5201 ha->login_retry_count = ql2xloginretrycount;
5203 /* Enable ZIO. */
5204 if (!vha->flags.init_done) {
5205 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5206 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5207 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5208 le16_to_cpu(icb->interrupt_delay_timer): 2;
5210 icb->firmware_options_2 &= __constant_cpu_to_le32(
5211 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5212 vha->flags.process_response_queue = 0;
5213 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5214 ha->zio_mode = QLA_ZIO_MODE_6;
5216 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
5217 "(%d us).\n", vha->host_no, ha->zio_mode,
5218 ha->zio_timer * 100));
5219 qla_printk(KERN_INFO, ha,
5220 "ZIO mode %d enabled; timer delay (%d us).\n",
5221 ha->zio_mode, ha->zio_timer * 100);
5223 icb->firmware_options_2 |= cpu_to_le32(
5224 (uint32_t)ha->zio_mode);
5225 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5226 vha->flags.process_response_queue = 1;
5229 if (rval) {
5230 DEBUG2_3(printk(KERN_WARNING
5231 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
5233 return (rval);
5237 qla82xx_restart_isp(scsi_qla_host_t *vha)
5239 int status, rval;
5240 uint32_t wait_time;
5241 struct qla_hw_data *ha = vha->hw;
5242 struct req_que *req = ha->req_q_map[0];
5243 struct rsp_que *rsp = ha->rsp_q_map[0];
5244 struct scsi_qla_host *vp;
5245 unsigned long flags;
5247 status = qla2x00_init_rings(vha);
5248 if (!status) {
5249 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5250 ha->flags.chip_reset_done = 1;
5252 status = qla2x00_fw_ready(vha);
5253 if (!status) {
5254 qla_printk(KERN_INFO, ha,
5255 "%s(): Start configure loop, "
5256 "status = %d\n", __func__, status);
5258 /* Issue a marker after FW becomes ready. */
5259 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5261 vha->flags.online = 1;
5262 /* Wait at most MAX_TARGET RSCNs for a stable link. */
5263 wait_time = 256;
5264 do {
5265 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5266 qla2x00_configure_loop(vha);
5267 wait_time--;
5268 } while (!atomic_read(&vha->loop_down_timer) &&
5269 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5270 wait_time &&
5271 (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5274 /* if no cable then assume it's good */
5275 if ((vha->device_flags & DFLG_NO_CABLE))
5276 status = 0;
5278 qla_printk(KERN_INFO, ha,
5279 "%s(): Configure loop done, status = 0x%x\n",
5280 __func__, status);
5283 if (!status) {
5284 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5286 if (!atomic_read(&vha->loop_down_timer)) {
5288 * Issue marker command only when we are going
5289 * to start the I/O .
5291 vha->marker_needed = 1;
5294 vha->flags.online = 1;
5296 ha->isp_ops->enable_intrs(ha);
5298 ha->isp_abort_cnt = 0;
5299 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5301 if (ha->fce) {
5302 ha->flags.fce_enabled = 1;
5303 memset(ha->fce, 0,
5304 fce_calc_size(ha->fce_bufs));
5305 rval = qla2x00_enable_fce_trace(vha,
5306 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5307 &ha->fce_bufs);
5308 if (rval) {
5309 qla_printk(KERN_WARNING, ha,
5310 "Unable to reinitialize FCE "
5311 "(%d).\n", rval);
5312 ha->flags.fce_enabled = 0;
5316 if (ha->eft) {
5317 memset(ha->eft, 0, EFT_SIZE);
5318 rval = qla2x00_enable_eft_trace(vha,
5319 ha->eft_dma, EFT_NUM_BUFFERS);
5320 if (rval) {
5321 qla_printk(KERN_WARNING, ha,
5322 "Unable to reinitialize EFT "
5323 "(%d).\n", rval);
5328 if (!status) {
5329 DEBUG(printk(KERN_INFO
5330 "qla82xx_restart_isp(%ld): succeeded.\n",
5331 vha->host_no));
5333 spin_lock_irqsave(&ha->vport_slock, flags);
5334 list_for_each_entry(vp, &ha->vp_list, list) {
5335 if (vp->vp_idx) {
5336 atomic_inc(&vp->vref_count);
5337 spin_unlock_irqrestore(&ha->vport_slock, flags);
5339 qla2x00_vp_abort_isp(vp);
5341 spin_lock_irqsave(&ha->vport_slock, flags);
5342 atomic_dec(&vp->vref_count);
5345 spin_unlock_irqrestore(&ha->vport_slock, flags);
5347 } else {
5348 qla_printk(KERN_INFO, ha,
5349 "qla82xx_restart_isp: **** FAILED ****\n");
5352 return status;
5355 void
5356 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5358 struct qla_hw_data *ha = vha->hw;
5360 if (!ql2xetsenable)
5361 return;
5363 /* Enable ETS Burst. */
5364 memset(ha->fw_options, 0, sizeof(ha->fw_options));
5365 ha->fw_options[2] |= BIT_9;
5366 qla2x00_set_fw_options(vha, ha->fw_options);
5370 * qla24xx_get_fcp_prio
5371 * Gets the fcp cmd priority value for the logged in port.
5372 * Looks for a match of the port descriptors within
5373 * each of the fcp prio config entries. If a match is found,
5374 * the tag (priority) value is returned.
5376 * Input:
5377 * ha = adapter block po
5378 * fcport = port structure pointer.
5380 * Return:
5381 * non-zero (if found)
5382 * 0 (if not found)
5384 * Context:
5385 * Kernel context
5387 uint8_t
5388 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5390 int i, entries;
5391 uint8_t pid_match, wwn_match;
5392 uint8_t priority;
5393 uint32_t pid1, pid2;
5394 uint64_t wwn1, wwn2;
5395 struct qla_fcp_prio_entry *pri_entry;
5396 struct qla_hw_data *ha = vha->hw;
5398 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5399 return 0;
5401 priority = 0;
5402 entries = ha->fcp_prio_cfg->num_entries;
5403 pri_entry = &ha->fcp_prio_cfg->entry[0];
5405 for (i = 0; i < entries; i++) {
5406 pid_match = wwn_match = 0;
5408 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5409 pri_entry++;
5410 continue;
5413 /* check source pid for a match */
5414 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5415 pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5416 pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5417 if (pid1 == INVALID_PORT_ID)
5418 pid_match++;
5419 else if (pid1 == pid2)
5420 pid_match++;
5423 /* check destination pid for a match */
5424 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5425 pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5426 pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5427 if (pid1 == INVALID_PORT_ID)
5428 pid_match++;
5429 else if (pid1 == pid2)
5430 pid_match++;
5433 /* check source WWN for a match */
5434 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5435 wwn1 = wwn_to_u64(vha->port_name);
5436 wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5437 if (wwn2 == (uint64_t)-1)
5438 wwn_match++;
5439 else if (wwn1 == wwn2)
5440 wwn_match++;
5443 /* check destination WWN for a match */
5444 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5445 wwn1 = wwn_to_u64(fcport->port_name);
5446 wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5447 if (wwn2 == (uint64_t)-1)
5448 wwn_match++;
5449 else if (wwn1 == wwn2)
5450 wwn_match++;
5453 if (pid_match == 2 || wwn_match == 2) {
5454 /* Found a matching entry */
5455 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5456 priority = pri_entry->tag;
5457 break;
5460 pri_entry++;
5463 return priority;
5467 * qla24xx_update_fcport_fcp_prio
5468 * Activates fcp priority for the logged in fc port
5470 * Input:
5471 * ha = adapter block pointer.
5472 * fcp = port structure pointer.
5474 * Return:
5475 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5477 * Context:
5478 * Kernel context.
5481 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *ha, fc_port_t *fcport)
5483 int ret;
5484 uint8_t priority;
5485 uint16_t mb[5];
5487 if (atomic_read(&fcport->state) == FCS_UNCONFIGURED ||
5488 fcport->port_type != FCT_TARGET ||
5489 fcport->loop_id == FC_NO_LOOP_ID)
5490 return QLA_FUNCTION_FAILED;
5492 priority = qla24xx_get_fcp_prio(ha, fcport);
5493 ret = qla24xx_set_fcp_prio(ha, fcport->loop_id, priority, mb);
5494 if (ret == QLA_SUCCESS)
5495 fcport->fcp_prio = priority;
5496 else
5497 DEBUG2(printk(KERN_WARNING
5498 "scsi(%ld): Unable to activate fcp priority, "
5499 " ret=0x%x\n", ha->host_no, ret));
5501 return ret;
5505 * qla24xx_update_all_fcp_prio
5506 * Activates fcp priority for all the logged in ports
5508 * Input:
5509 * ha = adapter block pointer.
5511 * Return:
5512 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5514 * Context:
5515 * Kernel context.
5518 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5520 int ret;
5521 fc_port_t *fcport;
5523 ret = QLA_FUNCTION_FAILED;
5524 /* We need to set priority for all logged in ports */
5525 list_for_each_entry(fcport, &vha->vp_fcports, list)
5526 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5528 return ret;