1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2011 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8 #include "qla_gbl.h"
9
10 #include <linux/delay.h>
11 #include <linux/slab.h>
12 #include <linux/vmalloc.h>
13
14 #include "qla_devtbl.h"
15
16 #ifdef CONFIG_SPARC
17 #include <asm/prom.h>
18 #endif
19
20 /*
21 * QLogic ISP2x00 Hardware Support Function Prototypes.
22 */
23 static int qla2x00_isp_firmware(scsi_qla_host_t *);
24 static int qla2x00_setup_chip(scsi_qla_host_t *);
25 static int qla2x00_init_rings(scsi_qla_host_t *);
26 static int qla2x00_fw_ready(scsi_qla_host_t *);
27 static int qla2x00_configure_hba(scsi_qla_host_t *);
28 static int qla2x00_configure_loop(scsi_qla_host_t *);
29 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
30 static int qla2x00_configure_fabric(scsi_qla_host_t *);
31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
32 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
33 uint16_t *);
34
35 static int qla2x00_restart_isp(scsi_qla_host_t *);
36
37 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
38 static int qla84xx_init_chip(scsi_qla_host_t *);
39 static int qla25xx_init_queues(struct qla_hw_data *);
40
41 /* SRB Extensions ---------------------------------------------------------- */
42
43 void
qla2x00_sp_timeout(unsigned long __data)44 qla2x00_sp_timeout(unsigned long __data)
45 {
46 srb_t *sp = (srb_t *)__data;
47 struct srb_iocb *iocb;
48 fc_port_t *fcport = sp->fcport;
49 struct qla_hw_data *ha = fcport->vha->hw;
50 struct req_que *req;
51 unsigned long flags;
52
53 spin_lock_irqsave(&ha->hardware_lock, flags);
54 req = ha->req_q_map[0];
55 req->outstanding_cmds[sp->handle] = NULL;
56 iocb = &sp->u.iocb_cmd;
57 iocb->timeout(sp);
58 sp->free(fcport->vha, sp);
59 spin_unlock_irqrestore(&ha->hardware_lock, flags);
60 }
61
62 void
qla2x00_sp_free(void * data,void * ptr)63 qla2x00_sp_free(void *data, void *ptr)
64 {
65 srb_t *sp = (srb_t *)ptr;
66 struct srb_iocb *iocb = &sp->u.iocb_cmd;
67 struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
68
69 del_timer(&iocb->timer);
70 mempool_free(sp, vha->hw->srb_mempool);
71
72 QLA_VHA_MARK_NOT_BUSY(vha);
73 }
74
75 /* Asynchronous Login/Logout Routines -------------------------------------- */
76
77 static inline unsigned long
qla2x00_get_async_timeout(struct scsi_qla_host * vha)78 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
79 {
80 unsigned long tmo;
81 struct qla_hw_data *ha = vha->hw;
82
83 /* Firmware should use switch negotiated r_a_tov for timeout. */
84 tmo = ha->r_a_tov / 10 * 2;
85 if (!IS_FWI2_CAPABLE(ha)) {
86 /*
87 * Except for earlier ISPs where the timeout is seeded from the
88 * initialization control block.
89 */
90 tmo = ha->login_timeout;
91 }
92 return tmo;
93 }
94
95 static void
qla2x00_async_iocb_timeout(void * data)96 qla2x00_async_iocb_timeout(void *data)
97 {
98 srb_t *sp = (srb_t *)data;
99 fc_port_t *fcport = sp->fcport;
100
101 ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
102 "Async-%s timeout - hdl=%x portid=%02x%02x%02x.\n",
103 sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
104 fcport->d_id.b.al_pa);
105
106 fcport->flags &= ~FCF_ASYNC_SENT;
107 if (sp->type == SRB_LOGIN_CMD) {
108 struct srb_iocb *lio = &sp->u.iocb_cmd;
109 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
110 /* Retry as needed. */
111 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
112 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
113 QLA_LOGIO_LOGIN_RETRIED : 0;
114 qla2x00_post_async_login_done_work(fcport->vha, fcport,
115 lio->u.logio.data);
116 }
117 }
118
119 static void
qla2x00_async_login_sp_done(void * data,void * ptr,int res)120 qla2x00_async_login_sp_done(void *data, void *ptr, int res)
121 {
122 srb_t *sp = (srb_t *)ptr;
123 struct srb_iocb *lio = &sp->u.iocb_cmd;
124 struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
125
126 if (!test_bit(UNLOADING, &vha->dpc_flags))
127 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
128 lio->u.logio.data);
129 sp->free(sp->fcport->vha, sp);
130 }
131
132 int
qla2x00_async_login(struct scsi_qla_host * vha,fc_port_t * fcport,uint16_t * data)133 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
134 uint16_t *data)
135 {
136 srb_t *sp;
137 struct srb_iocb *lio;
138 int rval;
139
140 rval = QLA_FUNCTION_FAILED;
141 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
142 if (!sp)
143 goto done;
144
145 sp->type = SRB_LOGIN_CMD;
146 sp->name = "login";
147 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
148
149 lio = &sp->u.iocb_cmd;
150 lio->timeout = qla2x00_async_iocb_timeout;
151 sp->done = qla2x00_async_login_sp_done;
152 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
153 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
154 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
155 rval = qla2x00_start_sp(sp);
156 if (rval != QLA_SUCCESS)
157 goto done_free_sp;
158
159 ql_dbg(ql_dbg_disc, vha, 0x2072,
160 "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
161 "retries=%d.\n", sp->handle, fcport->loop_id,
162 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
163 fcport->login_retry);
164 return rval;
165
166 done_free_sp:
167 sp->free(fcport->vha, sp);
168 done:
169 return rval;
170 }
171
172 static void
qla2x00_async_logout_sp_done(void * data,void * ptr,int res)173 qla2x00_async_logout_sp_done(void *data, void *ptr, int res)
174 {
175 srb_t *sp = (srb_t *)ptr;
176 struct srb_iocb *lio = &sp->u.iocb_cmd;
177 struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
178
179 if (!test_bit(UNLOADING, &vha->dpc_flags))
180 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
181 lio->u.logio.data);
182 sp->free(sp->fcport->vha, sp);
183 }
184
185 int
qla2x00_async_logout(struct scsi_qla_host * vha,fc_port_t * fcport)186 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
187 {
188 srb_t *sp;
189 struct srb_iocb *lio;
190 int rval;
191
192 rval = QLA_FUNCTION_FAILED;
193 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
194 if (!sp)
195 goto done;
196
197 sp->type = SRB_LOGOUT_CMD;
198 sp->name = "logout";
199 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
200
201 lio = &sp->u.iocb_cmd;
202 lio->timeout = qla2x00_async_iocb_timeout;
203 sp->done = qla2x00_async_logout_sp_done;
204 rval = qla2x00_start_sp(sp);
205 if (rval != QLA_SUCCESS)
206 goto done_free_sp;
207
208 ql_dbg(ql_dbg_disc, vha, 0x2070,
209 "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
210 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
211 fcport->d_id.b.area, fcport->d_id.b.al_pa);
212 return rval;
213
214 done_free_sp:
215 sp->free(fcport->vha, sp);
216 done:
217 return rval;
218 }
219
220 static void
qla2x00_async_adisc_sp_done(void * data,void * ptr,int res)221 qla2x00_async_adisc_sp_done(void *data, void *ptr, int res)
222 {
223 srb_t *sp = (srb_t *)ptr;
224 struct srb_iocb *lio = &sp->u.iocb_cmd;
225 struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
226
227 if (!test_bit(UNLOADING, &vha->dpc_flags))
228 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
229 lio->u.logio.data);
230 sp->free(sp->fcport->vha, sp);
231 }
232
233 int
qla2x00_async_adisc(struct scsi_qla_host * vha,fc_port_t * fcport,uint16_t * data)234 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
235 uint16_t *data)
236 {
237 srb_t *sp;
238 struct srb_iocb *lio;
239 int rval;
240
241 rval = QLA_FUNCTION_FAILED;
242 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
243 if (!sp)
244 goto done;
245
246 sp->type = SRB_ADISC_CMD;
247 sp->name = "adisc";
248 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
249
250 lio = &sp->u.iocb_cmd;
251 lio->timeout = qla2x00_async_iocb_timeout;
252 sp->done = qla2x00_async_adisc_sp_done;
253 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
254 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
255 rval = qla2x00_start_sp(sp);
256 if (rval != QLA_SUCCESS)
257 goto done_free_sp;
258
259 ql_dbg(ql_dbg_disc, vha, 0x206f,
260 "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
261 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
262 fcport->d_id.b.area, fcport->d_id.b.al_pa);
263 return rval;
264
265 done_free_sp:
266 sp->free(fcport->vha, sp);
267 done:
268 return rval;
269 }
270
271 static void
qla2x00_async_tm_cmd_done(void * data,void * ptr,int res)272 qla2x00_async_tm_cmd_done(void *data, void *ptr, int res)
273 {
274 srb_t *sp = (srb_t *)ptr;
275 struct srb_iocb *iocb = &sp->u.iocb_cmd;
276 struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
277 uint32_t flags;
278 uint16_t lun;
279 int rval;
280
281 if (!test_bit(UNLOADING, &vha->dpc_flags)) {
282 flags = iocb->u.tmf.flags;
283 lun = (uint16_t)iocb->u.tmf.lun;
284
285 /* Issue Marker IOCB */
286 rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
287 vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
288 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
289
290 if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
291 ql_dbg(ql_dbg_taskm, vha, 0x8030,
292 "TM IOCB failed (%x).\n", rval);
293 }
294 }
295 sp->free(sp->fcport->vha, sp);
296 }
297
298 int
qla2x00_async_tm_cmd(fc_port_t * fcport,uint32_t tm_flags,uint32_t lun,uint32_t tag)299 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t tm_flags, uint32_t lun,
300 uint32_t tag)
301 {
302 struct scsi_qla_host *vha = fcport->vha;
303 srb_t *sp;
304 struct srb_iocb *tcf;
305 int rval;
306
307 rval = QLA_FUNCTION_FAILED;
308 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
309 if (!sp)
310 goto done;
311
312 sp->type = SRB_TM_CMD;
313 sp->name = "tmf";
314 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
315
316 tcf = &sp->u.iocb_cmd;
317 tcf->u.tmf.flags = tm_flags;
318 tcf->u.tmf.lun = lun;
319 tcf->u.tmf.data = tag;
320 tcf->timeout = qla2x00_async_iocb_timeout;
321 sp->done = qla2x00_async_tm_cmd_done;
322
323 rval = qla2x00_start_sp(sp);
324 if (rval != QLA_SUCCESS)
325 goto done_free_sp;
326
327 ql_dbg(ql_dbg_taskm, vha, 0x802f,
328 "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
329 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
330 fcport->d_id.b.area, fcport->d_id.b.al_pa);
331 return rval;
332
333 done_free_sp:
334 sp->free(fcport->vha, sp);
335 done:
336 return rval;
337 }
338
339 void
qla2x00_async_login_done(struct scsi_qla_host * vha,fc_port_t * fcport,uint16_t * data)340 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
341 uint16_t *data)
342 {
343 int rval;
344
345 switch (data[0]) {
346 case MBS_COMMAND_COMPLETE:
347 /*
348 * Driver must validate login state - If PRLI not complete,
349 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
350 * requests.
351 */
352 rval = qla2x00_get_port_database(vha, fcport, 0);
353 if (rval == QLA_NOT_LOGGED_IN) {
354 fcport->flags &= ~FCF_ASYNC_SENT;
355 fcport->flags |= FCF_LOGIN_NEEDED;
356 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
357 break;
358 }
359
360 if (rval != QLA_SUCCESS) {
361 qla2x00_post_async_logout_work(vha, fcport, NULL);
362 qla2x00_post_async_login_work(vha, fcport, NULL);
363 break;
364 }
365 if (fcport->flags & FCF_FCP2_DEVICE) {
366 qla2x00_post_async_adisc_work(vha, fcport, data);
367 break;
368 }
369 qla2x00_update_fcport(vha, fcport);
370 break;
371 case MBS_COMMAND_ERROR:
372 fcport->flags &= ~FCF_ASYNC_SENT;
373 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
374 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
375 else
376 qla2x00_mark_device_lost(vha, fcport, 1, 0);
377 break;
378 case MBS_PORT_ID_USED:
379 fcport->loop_id = data[1];
380 qla2x00_post_async_logout_work(vha, fcport, NULL);
381 qla2x00_post_async_login_work(vha, fcport, NULL);
382 break;
383 case MBS_LOOP_ID_USED:
384 fcport->loop_id++;
385 rval = qla2x00_find_new_loop_id(vha, fcport);
386 if (rval != QLA_SUCCESS) {
387 fcport->flags &= ~FCF_ASYNC_SENT;
388 qla2x00_mark_device_lost(vha, fcport, 1, 0);
389 break;
390 }
391 qla2x00_post_async_login_work(vha, fcport, NULL);
392 break;
393 }
394 return;
395 }
396
397 void
qla2x00_async_logout_done(struct scsi_qla_host * vha,fc_port_t * fcport,uint16_t * data)398 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
399 uint16_t *data)
400 {
401 qla2x00_mark_device_lost(vha, fcport, 1, 0);
402 return;
403 }
404
405 void
qla2x00_async_adisc_done(struct scsi_qla_host * vha,fc_port_t * fcport,uint16_t * data)406 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
407 uint16_t *data)
408 {
409 if (data[0] == MBS_COMMAND_COMPLETE) {
410 qla2x00_update_fcport(vha, fcport);
411
412 return;
413 }
414
415 /* Retry login. */
416 fcport->flags &= ~FCF_ASYNC_SENT;
417 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
418 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
419 else
420 qla2x00_mark_device_lost(vha, fcport, 1, 0);
421
422 return;
423 }
424
425 /****************************************************************************/
426 /* QLogic ISP2x00 Hardware Support Functions. */
427 /****************************************************************************/
428
429 /*
430 * qla2x00_initialize_adapter
431 * Initialize board.
432 *
433 * Input:
434 * ha = adapter block pointer.
435 *
436 * Returns:
437 * 0 = success
438 */
439 int
qla2x00_initialize_adapter(scsi_qla_host_t * vha)440 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
441 {
442 int rval;
443 struct qla_hw_data *ha = vha->hw;
444 struct req_que *req = ha->req_q_map[0];
445
446 /* Clear adapter flags. */
447 vha->flags.online = 0;
448 ha->flags.chip_reset_done = 0;
449 vha->flags.reset_active = 0;
450 ha->flags.pci_channel_io_perm_failure = 0;
451 ha->flags.eeh_busy = 0;
452 ha->flags.thermal_supported = 1;
453 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
454 atomic_set(&vha->loop_state, LOOP_DOWN);
455 vha->device_flags = DFLG_NO_CABLE;
456 vha->dpc_flags = 0;
457 vha->flags.management_server_logged_in = 0;
458 vha->marker_needed = 0;
459 ha->isp_abort_cnt = 0;
460 ha->beacon_blink_led = 0;
461
462 set_bit(0, ha->req_qid_map);
463 set_bit(0, ha->rsp_qid_map);
464
465 ql_dbg(ql_dbg_init, vha, 0x0040,
466 "Configuring PCI space...\n");
467 rval = ha->isp_ops->pci_config(vha);
468 if (rval) {
469 ql_log(ql_log_warn, vha, 0x0044,
470 "Unable to configure PCI space.\n");
471 return (rval);
472 }
473
474 ha->isp_ops->reset_chip(vha);
475
476 rval = qla2xxx_get_flash_info(vha);
477 if (rval) {
478 ql_log(ql_log_fatal, vha, 0x004f,
479 "Unable to validate FLASH data.\n");
480 return (rval);
481 }
482
483 ha->isp_ops->get_flash_version(vha, req->ring);
484 ql_dbg(ql_dbg_init, vha, 0x0061,
485 "Configure NVRAM parameters...\n");
486
487 ha->isp_ops->nvram_config(vha);
488
489 if (ha->flags.disable_serdes) {
490 /* Mask HBA via NVRAM settings? */
491 ql_log(ql_log_info, vha, 0x0077,
492 "Masking HBA WWPN "
493 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
494 vha->port_name[0], vha->port_name[1],
495 vha->port_name[2], vha->port_name[3],
496 vha->port_name[4], vha->port_name[5],
497 vha->port_name[6], vha->port_name[7]);
498 return QLA_FUNCTION_FAILED;
499 }
500
501 ql_dbg(ql_dbg_init, vha, 0x0078,
502 "Verifying loaded RISC code...\n");
503
504 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
505 rval = ha->isp_ops->chip_diag(vha);
506 if (rval)
507 return (rval);
508 rval = qla2x00_setup_chip(vha);
509 if (rval)
510 return (rval);
511 }
512
513 if (IS_QLA84XX(ha)) {
514 ha->cs84xx = qla84xx_get_chip(vha);
515 if (!ha->cs84xx) {
516 ql_log(ql_log_warn, vha, 0x00d0,
517 "Unable to configure ISP84XX.\n");
518 return QLA_FUNCTION_FAILED;
519 }
520 }
521 rval = qla2x00_init_rings(vha);
522 ha->flags.chip_reset_done = 1;
523
524 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
525 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
526 rval = qla84xx_init_chip(vha);
527 if (rval != QLA_SUCCESS) {
528 ql_log(ql_log_warn, vha, 0x00d4,
529 "Unable to initialize ISP84XX.\n");
530 qla84xx_put_chip(vha);
531 }
532 }
533
534 if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
535 qla24xx_read_fcp_prio_cfg(vha);
536
537 return (rval);
538 }
539
540 /**
541 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
542 * @ha: HA context
543 *
544 * Returns 0 on success.
545 */
546 int
qla2100_pci_config(scsi_qla_host_t * vha)547 qla2100_pci_config(scsi_qla_host_t *vha)
548 {
549 uint16_t w;
550 unsigned long flags;
551 struct qla_hw_data *ha = vha->hw;
552 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
553
554 pci_set_master(ha->pdev);
555 pci_try_set_mwi(ha->pdev);
556
557 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
558 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
559 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
560
561 pci_disable_rom(ha->pdev);
562
563 /* Get PCI bus information. */
564 spin_lock_irqsave(&ha->hardware_lock, flags);
565 ha->pci_attr = RD_REG_WORD(®->ctrl_status);
566 spin_unlock_irqrestore(&ha->hardware_lock, flags);
567
568 return QLA_SUCCESS;
569 }
570
571 /**
572 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
573 * @ha: HA context
574 *
575 * Returns 0 on success.
576 */
577 int
qla2300_pci_config(scsi_qla_host_t * vha)578 qla2300_pci_config(scsi_qla_host_t *vha)
579 {
580 uint16_t w;
581 unsigned long flags = 0;
582 uint32_t cnt;
583 struct qla_hw_data *ha = vha->hw;
584 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
585
586 pci_set_master(ha->pdev);
587 pci_try_set_mwi(ha->pdev);
588
589 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
590 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
591
592 if (IS_QLA2322(ha) || IS_QLA6322(ha))
593 w &= ~PCI_COMMAND_INTX_DISABLE;
594 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
595
596 /*
597 * If this is a 2300 card and not 2312, reset the
598 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
599 * the 2310 also reports itself as a 2300 so we need to get the
600 * fb revision level -- a 6 indicates it really is a 2300 and
601 * not a 2310.
602 */
603 if (IS_QLA2300(ha)) {
604 spin_lock_irqsave(&ha->hardware_lock, flags);
605
606 /* Pause RISC. */
607 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC);
608 for (cnt = 0; cnt < 30000; cnt++) {
609 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) != 0)
610 break;
611
612 udelay(10);
613 }
614
615 /* Select FPM registers. */
616 WRT_REG_WORD(®->ctrl_status, 0x20);
617 RD_REG_WORD(®->ctrl_status);
618
619 /* Get the fb rev level */
620 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
621
622 if (ha->fb_rev == FPM_2300)
623 pci_clear_mwi(ha->pdev);
624
625 /* Deselect FPM registers. */
626 WRT_REG_WORD(®->ctrl_status, 0x0);
627 RD_REG_WORD(®->ctrl_status);
628
629 /* Release RISC module. */
630 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC);
631 for (cnt = 0; cnt < 30000; cnt++) {
632 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0)
633 break;
634
635 udelay(10);
636 }
637
638 spin_unlock_irqrestore(&ha->hardware_lock, flags);
639 }
640
641 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
642
643 pci_disable_rom(ha->pdev);
644
645 /* Get PCI bus information. */
646 spin_lock_irqsave(&ha->hardware_lock, flags);
647 ha->pci_attr = RD_REG_WORD(®->ctrl_status);
648 spin_unlock_irqrestore(&ha->hardware_lock, flags);
649
650 return QLA_SUCCESS;
651 }
652
653 /**
654 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
655 * @ha: HA context
656 *
657 * Returns 0 on success.
658 */
659 int
qla24xx_pci_config(scsi_qla_host_t * vha)660 qla24xx_pci_config(scsi_qla_host_t *vha)
661 {
662 uint16_t w;
663 unsigned long flags = 0;
664 struct qla_hw_data *ha = vha->hw;
665 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
666
667 pci_set_master(ha->pdev);
668 pci_try_set_mwi(ha->pdev);
669
670 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
671 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
672 w &= ~PCI_COMMAND_INTX_DISABLE;
673 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
674
675 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
676
677 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
678 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
679 pcix_set_mmrbc(ha->pdev, 2048);
680
681 /* PCIe -- adjust Maximum Read Request Size (2048). */
682 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
683 pcie_set_readrq(ha->pdev, 2048);
684
685 pci_disable_rom(ha->pdev);
686
687 ha->chip_revision = ha->pdev->revision;
688
689 /* Get PCI bus information. */
690 spin_lock_irqsave(&ha->hardware_lock, flags);
691 ha->pci_attr = RD_REG_DWORD(®->ctrl_status);
692 spin_unlock_irqrestore(&ha->hardware_lock, flags);
693
694 return QLA_SUCCESS;
695 }
696
697 /**
698 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
699 * @ha: HA context
700 *
701 * Returns 0 on success.
702 */
703 int
qla25xx_pci_config(scsi_qla_host_t * vha)704 qla25xx_pci_config(scsi_qla_host_t *vha)
705 {
706 uint16_t w;
707 struct qla_hw_data *ha = vha->hw;
708
709 pci_set_master(ha->pdev);
710 pci_try_set_mwi(ha->pdev);
711
712 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
713 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
714 w &= ~PCI_COMMAND_INTX_DISABLE;
715 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
716
717 /* PCIe -- adjust Maximum Read Request Size (2048). */
718 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
719 pcie_set_readrq(ha->pdev, 2048);
720
721 pci_disable_rom(ha->pdev);
722
723 ha->chip_revision = ha->pdev->revision;
724
725 return QLA_SUCCESS;
726 }
727
728 /**
729 * qla2x00_isp_firmware() - Choose firmware image.
730 * @ha: HA context
731 *
732 * Returns 0 on success.
733 */
734 static int
qla2x00_isp_firmware(scsi_qla_host_t * vha)735 qla2x00_isp_firmware(scsi_qla_host_t *vha)
736 {
737 int rval;
738 uint16_t loop_id, topo, sw_cap;
739 uint8_t domain, area, al_pa;
740 struct qla_hw_data *ha = vha->hw;
741
742 /* Assume loading risc code */
743 rval = QLA_FUNCTION_FAILED;
744
745 if (ha->flags.disable_risc_code_load) {
746 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
747
748 /* Verify checksum of loaded RISC code. */
749 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
750 if (rval == QLA_SUCCESS) {
751 /* And, verify we are not in ROM code. */
752 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
753 &area, &domain, &topo, &sw_cap);
754 }
755 }
756
757 if (rval)
758 ql_dbg(ql_dbg_init, vha, 0x007a,
759 "**** Load RISC code ****.\n");
760
761 return (rval);
762 }
763
764 /**
765 * qla2x00_reset_chip() - Reset ISP chip.
766 * @ha: HA context
767 *
768 * Returns 0 on success.
769 */
770 void
qla2x00_reset_chip(scsi_qla_host_t * vha)771 qla2x00_reset_chip(scsi_qla_host_t *vha)
772 {
773 unsigned long flags = 0;
774 struct qla_hw_data *ha = vha->hw;
775 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
776 uint32_t cnt;
777 uint16_t cmd;
778
779 if (unlikely(pci_channel_offline(ha->pdev)))
780 return;
781
782 ha->isp_ops->disable_intrs(ha);
783
784 spin_lock_irqsave(&ha->hardware_lock, flags);
785
786 /* Turn off master enable */
787 cmd = 0;
788 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
789 cmd &= ~PCI_COMMAND_MASTER;
790 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
791
792 if (!IS_QLA2100(ha)) {
793 /* Pause RISC. */
794 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC);
795 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
796 for (cnt = 0; cnt < 30000; cnt++) {
797 if ((RD_REG_WORD(®->hccr) &
798 HCCR_RISC_PAUSE) != 0)
799 break;
800 udelay(100);
801 }
802 } else {
803 RD_REG_WORD(®->hccr); /* PCI Posting. */
804 udelay(10);
805 }
806
807 /* Select FPM registers. */
808 WRT_REG_WORD(®->ctrl_status, 0x20);
809 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
810
811 /* FPM Soft Reset. */
812 WRT_REG_WORD(®->fpm_diag_config, 0x100);
813 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */
814
815 /* Toggle Fpm Reset. */
816 if (!IS_QLA2200(ha)) {
817 WRT_REG_WORD(®->fpm_diag_config, 0x0);
818 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */
819 }
820
821 /* Select frame buffer registers. */
822 WRT_REG_WORD(®->ctrl_status, 0x10);
823 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
824
825 /* Reset frame buffer FIFOs. */
826 if (IS_QLA2200(ha)) {
827 WRT_FB_CMD_REG(ha, reg, 0xa000);
828 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
829 } else {
830 WRT_FB_CMD_REG(ha, reg, 0x00fc);
831
832 /* Read back fb_cmd until zero or 3 seconds max */
833 for (cnt = 0; cnt < 3000; cnt++) {
834 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
835 break;
836 udelay(100);
837 }
838 }
839
840 /* Select RISC module registers. */
841 WRT_REG_WORD(®->ctrl_status, 0);
842 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
843
844 /* Reset RISC processor. */
845 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
846 RD_REG_WORD(®->hccr); /* PCI Posting. */
847
848 /* Release RISC processor. */
849 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC);
850 RD_REG_WORD(®->hccr); /* PCI Posting. */
851 }
852
853 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
854 WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT);
855
856 /* Reset ISP chip. */
857 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET);
858
859 /* Wait for RISC to recover from reset. */
860 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
861 /*
862 * It is necessary to for a delay here since the card doesn't
863 * respond to PCI reads during a reset. On some architectures
864 * this will result in an MCA.
865 */
866 udelay(20);
867 for (cnt = 30000; cnt; cnt--) {
868 if ((RD_REG_WORD(®->ctrl_status) &
869 CSR_ISP_SOFT_RESET) == 0)
870 break;
871 udelay(100);
872 }
873 } else
874 udelay(10);
875
876 /* Reset RISC processor. */
877 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
878
879 WRT_REG_WORD(®->semaphore, 0);
880
881 /* Release RISC processor. */
882 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC);
883 RD_REG_WORD(®->hccr); /* PCI Posting. */
884
885 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
886 for (cnt = 0; cnt < 30000; cnt++) {
887 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
888 break;
889
890 udelay(100);
891 }
892 } else
893 udelay(100);
894
895 /* Turn on master enable */
896 cmd |= PCI_COMMAND_MASTER;
897 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
898
899 /* Disable RISC pause on FPM parity error. */
900 if (!IS_QLA2100(ha)) {
901 WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE);
902 RD_REG_WORD(®->hccr); /* PCI Posting. */
903 }
904
905 spin_unlock_irqrestore(&ha->hardware_lock, flags);
906 }
907
908 /**
909 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
910 *
911 * Returns 0 on success.
912 */
913 int
qla81xx_reset_mpi(scsi_qla_host_t * vha)914 qla81xx_reset_mpi(scsi_qla_host_t *vha)
915 {
916 uint16_t mb[4] = {0x1010, 0, 1, 0};
917
918 if (!IS_QLA81XX(vha->hw))
919 return QLA_SUCCESS;
920
921 return qla81xx_write_mpi_register(vha, mb);
922 }
923
924 /**
925 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
926 * @ha: HA context
927 *
928 * Returns 0 on success.
929 */
930 static inline void
qla24xx_reset_risc(scsi_qla_host_t * vha)931 qla24xx_reset_risc(scsi_qla_host_t *vha)
932 {
933 unsigned long flags = 0;
934 struct qla_hw_data *ha = vha->hw;
935 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
936 uint32_t cnt, d2;
937 uint16_t wd;
938 static int abts_cnt; /* ISP abort retry counts */
939
940 spin_lock_irqsave(&ha->hardware_lock, flags);
941
942 /* Reset RISC. */
943 WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
944 for (cnt = 0; cnt < 30000; cnt++) {
945 if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
946 break;
947
948 udelay(10);
949 }
950
951 WRT_REG_DWORD(®->ctrl_status,
952 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
953 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
954
955 udelay(100);
956 /* Wait for firmware to complete NVRAM accesses. */
957 d2 = (uint32_t) RD_REG_WORD(®->mailbox0);
958 for (cnt = 10000 ; cnt && d2; cnt--) {
959 udelay(5);
960 d2 = (uint32_t) RD_REG_WORD(®->mailbox0);
961 barrier();
962 }
963
964 /* Wait for soft-reset to complete. */
965 d2 = RD_REG_DWORD(®->ctrl_status);
966 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
967 udelay(5);
968 d2 = RD_REG_DWORD(®->ctrl_status);
969 barrier();
970 }
971
972 /* If required, do an MPI FW reset now */
973 if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
974 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
975 if (++abts_cnt < 5) {
976 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
977 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
978 } else {
979 /*
980 * We exhausted the ISP abort retries. We have to
981 * set the board offline.
982 */
983 abts_cnt = 0;
984 vha->flags.online = 0;
985 }
986 }
987 }
988
989 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET);
990 RD_REG_DWORD(®->hccr);
991
992 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE);
993 RD_REG_DWORD(®->hccr);
994
995 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET);
996 RD_REG_DWORD(®->hccr);
997
998 d2 = (uint32_t) RD_REG_WORD(®->mailbox0);
999 for (cnt = 6000000 ; cnt && d2; cnt--) {
1000 udelay(5);
1001 d2 = (uint32_t) RD_REG_WORD(®->mailbox0);
1002 barrier();
1003 }
1004
1005 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1006
1007 if (IS_NOPOLLING_TYPE(ha))
1008 ha->isp_ops->enable_intrs(ha);
1009 }
1010
1011 /**
1012 * qla24xx_reset_chip() - Reset ISP24xx chip.
1013 * @ha: HA context
1014 *
1015 * Returns 0 on success.
1016 */
1017 void
qla24xx_reset_chip(scsi_qla_host_t * vha)1018 qla24xx_reset_chip(scsi_qla_host_t *vha)
1019 {
1020 struct qla_hw_data *ha = vha->hw;
1021
1022 if (pci_channel_offline(ha->pdev) &&
1023 ha->flags.pci_channel_io_perm_failure) {
1024 return;
1025 }
1026
1027 ha->isp_ops->disable_intrs(ha);
1028
1029 /* Perform RISC reset. */
1030 qla24xx_reset_risc(vha);
1031 }
1032
1033 /**
1034 * qla2x00_chip_diag() - Test chip for proper operation.
1035 * @ha: HA context
1036 *
1037 * Returns 0 on success.
1038 */
1039 int
qla2x00_chip_diag(scsi_qla_host_t * vha)1040 qla2x00_chip_diag(scsi_qla_host_t *vha)
1041 {
1042 int rval;
1043 struct qla_hw_data *ha = vha->hw;
1044 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1045 unsigned long flags = 0;
1046 uint16_t data;
1047 uint32_t cnt;
1048 uint16_t mb[5];
1049 struct req_que *req = ha->req_q_map[0];
1050
1051 /* Assume a failed state */
1052 rval = QLA_FUNCTION_FAILED;
1053
1054 ql_dbg(ql_dbg_init, vha, 0x007b,
1055 "Testing device at %lx.\n", (u_long)®->flash_address);
1056
1057 spin_lock_irqsave(&ha->hardware_lock, flags);
1058
1059 /* Reset ISP chip. */
1060 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET);
1061
1062 /*
1063 * We need to have a delay here since the card will not respond while
1064 * in reset causing an MCA on some architectures.
1065 */
1066 udelay(20);
1067 data = qla2x00_debounce_register(®->ctrl_status);
1068 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1069 udelay(5);
1070 data = RD_REG_WORD(®->ctrl_status);
1071 barrier();
1072 }
1073
1074 if (!cnt)
1075 goto chip_diag_failed;
1076
1077 ql_dbg(ql_dbg_init, vha, 0x007c,
1078 "Reset register cleared by chip reset.\n");
1079
1080 /* Reset RISC processor. */
1081 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
1082 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC);
1083
1084 /* Workaround for QLA2312 PCI parity error */
1085 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1086 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1087 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1088 udelay(5);
1089 data = RD_MAILBOX_REG(ha, reg, 0);
1090 barrier();
1091 }
1092 } else
1093 udelay(10);
1094
1095 if (!cnt)
1096 goto chip_diag_failed;
1097
1098 /* Check product ID of chip */
1099 ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1100
1101 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1102 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1103 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1104 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1105 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1106 mb[3] != PROD_ID_3) {
1107 ql_log(ql_log_warn, vha, 0x0062,
1108 "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1109 mb[1], mb[2], mb[3]);
1110
1111 goto chip_diag_failed;
1112 }
1113 ha->product_id[0] = mb[1];
1114 ha->product_id[1] = mb[2];
1115 ha->product_id[2] = mb[3];
1116 ha->product_id[3] = mb[4];
1117
1118 /* Adjust fw RISC transfer size */
1119 if (req->length > 1024)
1120 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1121 else
1122 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1123 req->length;
1124
1125 if (IS_QLA2200(ha) &&
1126 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1127 /* Limit firmware transfer size with a 2200A */
1128 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1129
1130 ha->device_type |= DT_ISP2200A;
1131 ha->fw_transfer_size = 128;
1132 }
1133
1134 /* Wrap Incoming Mailboxes Test. */
1135 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1136
1137 ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1138 rval = qla2x00_mbx_reg_test(vha);
1139 if (rval)
1140 ql_log(ql_log_warn, vha, 0x0080,
1141 "Failed mailbox send register test.\n");
1142 else
1143 /* Flag a successful rval */
1144 rval = QLA_SUCCESS;
1145 spin_lock_irqsave(&ha->hardware_lock, flags);
1146
1147 chip_diag_failed:
1148 if (rval)
1149 ql_log(ql_log_info, vha, 0x0081,
1150 "Chip diagnostics **** FAILED ****.\n");
1151
1152 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1153
1154 return (rval);
1155 }
1156
1157 /**
1158 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1159 * @ha: HA context
1160 *
1161 * Returns 0 on success.
1162 */
1163 int
qla24xx_chip_diag(scsi_qla_host_t * vha)1164 qla24xx_chip_diag(scsi_qla_host_t *vha)
1165 {
1166 int rval;
1167 struct qla_hw_data *ha = vha->hw;
1168 struct req_que *req = ha->req_q_map[0];
1169
1170 if (IS_QLA82XX(ha))
1171 return QLA_SUCCESS;
1172
1173 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1174
1175 rval = qla2x00_mbx_reg_test(vha);
1176 if (rval) {
1177 ql_log(ql_log_warn, vha, 0x0082,
1178 "Failed mailbox send register test.\n");
1179 } else {
1180 /* Flag a successful rval */
1181 rval = QLA_SUCCESS;
1182 }
1183
1184 return rval;
1185 }
1186
1187 void
qla2x00_alloc_fw_dump(scsi_qla_host_t * vha)1188 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1189 {
1190 int rval;
1191 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1192 eft_size, fce_size, mq_size;
1193 dma_addr_t tc_dma;
1194 void *tc;
1195 struct qla_hw_data *ha = vha->hw;
1196 struct req_que *req = ha->req_q_map[0];
1197 struct rsp_que *rsp = ha->rsp_q_map[0];
1198
1199 if (ha->fw_dump) {
1200 ql_dbg(ql_dbg_init, vha, 0x00bd,
1201 "Firmware dump already allocated.\n");
1202 return;
1203 }
1204
1205 ha->fw_dumped = 0;
1206 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1207 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1208 fixed_size = sizeof(struct qla2100_fw_dump);
1209 } else if (IS_QLA23XX(ha)) {
1210 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1211 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1212 sizeof(uint16_t);
1213 } else if (IS_FWI2_CAPABLE(ha)) {
1214 if (IS_QLA83XX(ha))
1215 fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1216 else if (IS_QLA81XX(ha))
1217 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1218 else if (IS_QLA25XX(ha))
1219 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1220 else
1221 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1222 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1223 sizeof(uint32_t);
1224 if (ha->mqenable) {
1225 if (!IS_QLA83XX(ha))
1226 mq_size = sizeof(struct qla2xxx_mq_chain);
1227 /*
1228 * Allocate maximum buffer size for all queues.
1229 * Resizing must be done at end-of-dump processing.
1230 */
1231 mq_size += ha->max_req_queues *
1232 (req->length * sizeof(request_t));
1233 mq_size += ha->max_rsp_queues *
1234 (rsp->length * sizeof(response_t));
1235 }
1236 /* Allocate memory for Fibre Channel Event Buffer. */
1237 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha))
1238 goto try_eft;
1239
1240 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1241 GFP_KERNEL);
1242 if (!tc) {
1243 ql_log(ql_log_warn, vha, 0x00be,
1244 "Unable to allocate (%d KB) for FCE.\n",
1245 FCE_SIZE / 1024);
1246 goto try_eft;
1247 }
1248
1249 memset(tc, 0, FCE_SIZE);
1250 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1251 ha->fce_mb, &ha->fce_bufs);
1252 if (rval) {
1253 ql_log(ql_log_warn, vha, 0x00bf,
1254 "Unable to initialize FCE (%d).\n", rval);
1255 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1256 tc_dma);
1257 ha->flags.fce_enabled = 0;
1258 goto try_eft;
1259 }
1260 ql_dbg(ql_dbg_init, vha, 0x00c0,
1261 "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1262
1263 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1264 ha->flags.fce_enabled = 1;
1265 ha->fce_dma = tc_dma;
1266 ha->fce = tc;
1267 try_eft:
1268 /* Allocate memory for Extended Trace Buffer. */
1269 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1270 GFP_KERNEL);
1271 if (!tc) {
1272 ql_log(ql_log_warn, vha, 0x00c1,
1273 "Unable to allocate (%d KB) for EFT.\n",
1274 EFT_SIZE / 1024);
1275 goto cont_alloc;
1276 }
1277
1278 memset(tc, 0, EFT_SIZE);
1279 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1280 if (rval) {
1281 ql_log(ql_log_warn, vha, 0x00c2,
1282 "Unable to initialize EFT (%d).\n", rval);
1283 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1284 tc_dma);
1285 goto cont_alloc;
1286 }
1287 ql_dbg(ql_dbg_init, vha, 0x00c3,
1288 "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1289
1290 eft_size = EFT_SIZE;
1291 ha->eft_dma = tc_dma;
1292 ha->eft = tc;
1293 }
1294 cont_alloc:
1295 req_q_size = req->length * sizeof(request_t);
1296 rsp_q_size = rsp->length * sizeof(response_t);
1297
1298 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1299 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1300 ha->chain_offset = dump_size;
1301 dump_size += mq_size + fce_size;
1302
1303 ha->fw_dump = vmalloc(dump_size);
1304 if (!ha->fw_dump) {
1305 ql_log(ql_log_warn, vha, 0x00c4,
1306 "Unable to allocate (%d KB) for firmware dump.\n",
1307 dump_size / 1024);
1308
1309 if (ha->fce) {
1310 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1311 ha->fce_dma);
1312 ha->fce = NULL;
1313 ha->fce_dma = 0;
1314 }
1315
1316 if (ha->eft) {
1317 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1318 ha->eft_dma);
1319 ha->eft = NULL;
1320 ha->eft_dma = 0;
1321 }
1322 return;
1323 }
1324 ql_dbg(ql_dbg_init, vha, 0x00c5,
1325 "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1326
1327 ha->fw_dump_len = dump_size;
1328 ha->fw_dump->signature[0] = 'Q';
1329 ha->fw_dump->signature[1] = 'L';
1330 ha->fw_dump->signature[2] = 'G';
1331 ha->fw_dump->signature[3] = 'C';
1332 ha->fw_dump->version = __constant_htonl(1);
1333
1334 ha->fw_dump->fixed_size = htonl(fixed_size);
1335 ha->fw_dump->mem_size = htonl(mem_size);
1336 ha->fw_dump->req_q_size = htonl(req_q_size);
1337 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1338
1339 ha->fw_dump->eft_size = htonl(eft_size);
1340 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1341 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1342
1343 ha->fw_dump->header_size =
1344 htonl(offsetof(struct qla2xxx_fw_dump, isp));
1345 }
1346
1347 static int
qla81xx_mpi_sync(scsi_qla_host_t * vha)1348 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1349 {
1350 #define MPS_MASK 0xe0
1351 int rval;
1352 uint16_t dc;
1353 uint32_t dw;
1354
1355 if (!IS_QLA81XX(vha->hw))
1356 return QLA_SUCCESS;
1357
1358 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1359 if (rval != QLA_SUCCESS) {
1360 ql_log(ql_log_warn, vha, 0x0105,
1361 "Unable to acquire semaphore.\n");
1362 goto done;
1363 }
1364
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 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1369 goto done_release;
1370 }
1371
1372 dc &= MPS_MASK;
1373 if (dc == (dw & MPS_MASK))
1374 goto done_release;
1375
1376 dw &= ~MPS_MASK;
1377 dw |= dc;
1378 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1379 if (rval != QLA_SUCCESS) {
1380 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1381 }
1382
1383 done_release:
1384 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1385 if (rval != QLA_SUCCESS) {
1386 ql_log(ql_log_warn, vha, 0x006d,
1387 "Unable to release semaphore.\n");
1388 }
1389
1390 done:
1391 return rval;
1392 }
1393
1394 /**
1395 * qla2x00_setup_chip() - Load and start RISC firmware.
1396 * @ha: HA context
1397 *
1398 * Returns 0 on success.
1399 */
1400 static int
qla2x00_setup_chip(scsi_qla_host_t * vha)1401 qla2x00_setup_chip(scsi_qla_host_t *vha)
1402 {
1403 int rval;
1404 uint32_t srisc_address = 0;
1405 struct qla_hw_data *ha = vha->hw;
1406 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1407 unsigned long flags;
1408 uint16_t fw_major_version;
1409
1410 if (IS_QLA82XX(ha)) {
1411 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1412 if (rval == QLA_SUCCESS) {
1413 qla2x00_stop_firmware(vha);
1414 goto enable_82xx_npiv;
1415 } else
1416 goto failed;
1417 }
1418
1419 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1420 /* Disable SRAM, Instruction RAM and GP RAM parity. */
1421 spin_lock_irqsave(&ha->hardware_lock, flags);
1422 WRT_REG_WORD(®->hccr, (HCCR_ENABLE_PARITY + 0x0));
1423 RD_REG_WORD(®->hccr);
1424 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1425 }
1426
1427 qla81xx_mpi_sync(vha);
1428
1429 /* Load firmware sequences */
1430 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1431 if (rval == QLA_SUCCESS) {
1432 ql_dbg(ql_dbg_init, vha, 0x00c9,
1433 "Verifying Checksum of loaded RISC code.\n");
1434
1435 rval = qla2x00_verify_checksum(vha, srisc_address);
1436 if (rval == QLA_SUCCESS) {
1437 /* Start firmware execution. */
1438 ql_dbg(ql_dbg_init, vha, 0x00ca,
1439 "Starting firmware.\n");
1440
1441 rval = qla2x00_execute_fw(vha, srisc_address);
1442 /* Retrieve firmware information. */
1443 if (rval == QLA_SUCCESS) {
1444 enable_82xx_npiv:
1445 fw_major_version = ha->fw_major_version;
1446 if (IS_QLA82XX(ha))
1447 qla82xx_check_md_needed(vha);
1448 else
1449 rval = qla2x00_get_fw_version(vha);
1450 if (rval != QLA_SUCCESS)
1451 goto failed;
1452 ha->flags.npiv_supported = 0;
1453 if (IS_QLA2XXX_MIDTYPE(ha) &&
1454 (ha->fw_attributes & BIT_2)) {
1455 ha->flags.npiv_supported = 1;
1456 if ((!ha->max_npiv_vports) ||
1457 ((ha->max_npiv_vports + 1) %
1458 MIN_MULTI_ID_FABRIC))
1459 ha->max_npiv_vports =
1460 MIN_MULTI_ID_FABRIC - 1;
1461 }
1462 qla2x00_get_resource_cnts(vha, NULL,
1463 &ha->fw_xcb_count, NULL, NULL,
1464 &ha->max_npiv_vports, NULL);
1465
1466 if (!fw_major_version && ql2xallocfwdump
1467 && !IS_QLA82XX(ha))
1468 qla2x00_alloc_fw_dump(vha);
1469 }
1470 } else {
1471 ql_log(ql_log_fatal, vha, 0x00cd,
1472 "ISP Firmware failed checksum.\n");
1473 goto failed;
1474 }
1475 }
1476
1477 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1478 /* Enable proper parity. */
1479 spin_lock_irqsave(&ha->hardware_lock, flags);
1480 if (IS_QLA2300(ha))
1481 /* SRAM parity */
1482 WRT_REG_WORD(®->hccr, HCCR_ENABLE_PARITY + 0x1);
1483 else
1484 /* SRAM, Instruction RAM and GP RAM parity */
1485 WRT_REG_WORD(®->hccr, HCCR_ENABLE_PARITY + 0x7);
1486 RD_REG_WORD(®->hccr);
1487 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1488 }
1489
1490 if (IS_QLA83XX(ha))
1491 goto skip_fac_check;
1492
1493 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1494 uint32_t size;
1495
1496 rval = qla81xx_fac_get_sector_size(vha, &size);
1497 if (rval == QLA_SUCCESS) {
1498 ha->flags.fac_supported = 1;
1499 ha->fdt_block_size = size << 2;
1500 } else {
1501 ql_log(ql_log_warn, vha, 0x00ce,
1502 "Unsupported FAC firmware (%d.%02d.%02d).\n",
1503 ha->fw_major_version, ha->fw_minor_version,
1504 ha->fw_subminor_version);
1505 skip_fac_check:
1506 if (IS_QLA83XX(ha)) {
1507 ha->flags.fac_supported = 0;
1508 rval = QLA_SUCCESS;
1509 }
1510 }
1511 }
1512 failed:
1513 if (rval) {
1514 ql_log(ql_log_fatal, vha, 0x00cf,
1515 "Setup chip ****FAILED****.\n");
1516 }
1517
1518 return (rval);
1519 }
1520
1521 /**
1522 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1523 * @ha: HA context
1524 *
1525 * Beginning of request ring has initialization control block already built
1526 * by nvram config routine.
1527 *
1528 * Returns 0 on success.
1529 */
1530 void
qla2x00_init_response_q_entries(struct rsp_que * rsp)1531 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1532 {
1533 uint16_t cnt;
1534 response_t *pkt;
1535
1536 rsp->ring_ptr = rsp->ring;
1537 rsp->ring_index = 0;
1538 rsp->status_srb = NULL;
1539 pkt = rsp->ring_ptr;
1540 for (cnt = 0; cnt < rsp->length; cnt++) {
1541 pkt->signature = RESPONSE_PROCESSED;
1542 pkt++;
1543 }
1544 }
1545
1546 /**
1547 * qla2x00_update_fw_options() - Read and process firmware options.
1548 * @ha: HA context
1549 *
1550 * Returns 0 on success.
1551 */
1552 void
qla2x00_update_fw_options(scsi_qla_host_t * vha)1553 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1554 {
1555 uint16_t swing, emphasis, tx_sens, rx_sens;
1556 struct qla_hw_data *ha = vha->hw;
1557
1558 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1559 qla2x00_get_fw_options(vha, ha->fw_options);
1560
1561 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1562 return;
1563
1564 /* Serial Link options. */
1565 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1566 "Serial link options.\n");
1567 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1568 (uint8_t *)&ha->fw_seriallink_options,
1569 sizeof(ha->fw_seriallink_options));
1570
1571 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1572 if (ha->fw_seriallink_options[3] & BIT_2) {
1573 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1574
1575 /* 1G settings */
1576 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1577 emphasis = (ha->fw_seriallink_options[2] &
1578 (BIT_4 | BIT_3)) >> 3;
1579 tx_sens = ha->fw_seriallink_options[0] &
1580 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1581 rx_sens = (ha->fw_seriallink_options[0] &
1582 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1583 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1584 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1585 if (rx_sens == 0x0)
1586 rx_sens = 0x3;
1587 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1588 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1589 ha->fw_options[10] |= BIT_5 |
1590 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1591 (tx_sens & (BIT_1 | BIT_0));
1592
1593 /* 2G settings */
1594 swing = (ha->fw_seriallink_options[2] &
1595 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1596 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1597 tx_sens = ha->fw_seriallink_options[1] &
1598 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1599 rx_sens = (ha->fw_seriallink_options[1] &
1600 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1601 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1602 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1603 if (rx_sens == 0x0)
1604 rx_sens = 0x3;
1605 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1606 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1607 ha->fw_options[11] |= BIT_5 |
1608 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1609 (tx_sens & (BIT_1 | BIT_0));
1610 }
1611
1612 /* FCP2 options. */
1613 /* Return command IOCBs without waiting for an ABTS to complete. */
1614 ha->fw_options[3] |= BIT_13;
1615
1616 /* LED scheme. */
1617 if (ha->flags.enable_led_scheme)
1618 ha->fw_options[2] |= BIT_12;
1619
1620 /* Detect ISP6312. */
1621 if (IS_QLA6312(ha))
1622 ha->fw_options[2] |= BIT_13;
1623
1624 /* Update firmware options. */
1625 qla2x00_set_fw_options(vha, ha->fw_options);
1626 }
1627
1628 void
qla24xx_update_fw_options(scsi_qla_host_t * vha)1629 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1630 {
1631 int rval;
1632 struct qla_hw_data *ha = vha->hw;
1633
1634 if (IS_QLA82XX(ha))
1635 return;
1636
1637 /* Update Serial Link options. */
1638 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1639 return;
1640
1641 rval = qla2x00_set_serdes_params(vha,
1642 le16_to_cpu(ha->fw_seriallink_options24[1]),
1643 le16_to_cpu(ha->fw_seriallink_options24[2]),
1644 le16_to_cpu(ha->fw_seriallink_options24[3]));
1645 if (rval != QLA_SUCCESS) {
1646 ql_log(ql_log_warn, vha, 0x0104,
1647 "Unable to update Serial Link options (%x).\n", rval);
1648 }
1649 }
1650
1651 void
qla2x00_config_rings(struct scsi_qla_host * vha)1652 qla2x00_config_rings(struct scsi_qla_host *vha)
1653 {
1654 struct qla_hw_data *ha = vha->hw;
1655 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1656 struct req_que *req = ha->req_q_map[0];
1657 struct rsp_que *rsp = ha->rsp_q_map[0];
1658
1659 /* Setup ring parameters in initialization control block. */
1660 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1661 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1662 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1663 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1664 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1665 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1666 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1667 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1668
1669 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1670 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1671 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1672 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1673 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1674 }
1675
1676 void
qla24xx_config_rings(struct scsi_qla_host * vha)1677 qla24xx_config_rings(struct scsi_qla_host *vha)
1678 {
1679 struct qla_hw_data *ha = vha->hw;
1680 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1681 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1682 struct qla_msix_entry *msix;
1683 struct init_cb_24xx *icb;
1684 uint16_t rid = 0;
1685 struct req_que *req = ha->req_q_map[0];
1686 struct rsp_que *rsp = ha->rsp_q_map[0];
1687
1688 /* Setup ring parameters in initialization control block. */
1689 icb = (struct init_cb_24xx *)ha->init_cb;
1690 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1691 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1692 icb->request_q_length = cpu_to_le16(req->length);
1693 icb->response_q_length = cpu_to_le16(rsp->length);
1694 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1695 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1696 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1697 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1698
1699 if (ha->mqenable || IS_QLA83XX(ha)) {
1700 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1701 icb->rid = __constant_cpu_to_le16(rid);
1702 if (ha->flags.msix_enabled) {
1703 msix = &ha->msix_entries[1];
1704 ql_dbg(ql_dbg_init, vha, 0x00fd,
1705 "Registering vector 0x%x for base que.\n",
1706 msix->entry);
1707 icb->msix = cpu_to_le16(msix->entry);
1708 }
1709 /* Use alternate PCI bus number */
1710 if (MSB(rid))
1711 icb->firmware_options_2 |=
1712 __constant_cpu_to_le32(BIT_19);
1713 /* Use alternate PCI devfn */
1714 if (LSB(rid))
1715 icb->firmware_options_2 |=
1716 __constant_cpu_to_le32(BIT_18);
1717
1718 /* Use Disable MSIX Handshake mode for capable adapters */
1719 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
1720 (ha->flags.msix_enabled)) {
1721 icb->firmware_options_2 &=
1722 __constant_cpu_to_le32(~BIT_22);
1723 ha->flags.disable_msix_handshake = 1;
1724 ql_dbg(ql_dbg_init, vha, 0x00fe,
1725 "MSIX Handshake Disable Mode turned on.\n");
1726 } else {
1727 icb->firmware_options_2 |=
1728 __constant_cpu_to_le32(BIT_22);
1729 }
1730 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1731
1732 WRT_REG_DWORD(®->isp25mq.req_q_in, 0);
1733 WRT_REG_DWORD(®->isp25mq.req_q_out, 0);
1734 WRT_REG_DWORD(®->isp25mq.rsp_q_in, 0);
1735 WRT_REG_DWORD(®->isp25mq.rsp_q_out, 0);
1736 } else {
1737 WRT_REG_DWORD(®->isp24.req_q_in, 0);
1738 WRT_REG_DWORD(®->isp24.req_q_out, 0);
1739 WRT_REG_DWORD(®->isp24.rsp_q_in, 0);
1740 WRT_REG_DWORD(®->isp24.rsp_q_out, 0);
1741 }
1742 /* PCI posting */
1743 RD_REG_DWORD(&ioreg->hccr);
1744 }
1745
1746 /**
1747 * qla2x00_init_rings() - Initializes firmware.
1748 * @ha: HA context
1749 *
1750 * Beginning of request ring has initialization control block already built
1751 * by nvram config routine.
1752 *
1753 * Returns 0 on success.
1754 */
1755 static int
qla2x00_init_rings(scsi_qla_host_t * vha)1756 qla2x00_init_rings(scsi_qla_host_t *vha)
1757 {
1758 int rval;
1759 unsigned long flags = 0;
1760 int cnt, que;
1761 struct qla_hw_data *ha = vha->hw;
1762 struct req_que *req;
1763 struct rsp_que *rsp;
1764 struct mid_init_cb_24xx *mid_init_cb =
1765 (struct mid_init_cb_24xx *) ha->init_cb;
1766
1767 spin_lock_irqsave(&ha->hardware_lock, flags);
1768
1769 /* Clear outstanding commands array. */
1770 for (que = 0; que < ha->max_req_queues; que++) {
1771 req = ha->req_q_map[que];
1772 if (!req)
1773 continue;
1774 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1775 req->outstanding_cmds[cnt] = NULL;
1776
1777 req->current_outstanding_cmd = 1;
1778
1779 /* Initialize firmware. */
1780 req->ring_ptr = req->ring;
1781 req->ring_index = 0;
1782 req->cnt = req->length;
1783 }
1784
1785 for (que = 0; que < ha->max_rsp_queues; que++) {
1786 rsp = ha->rsp_q_map[que];
1787 if (!rsp)
1788 continue;
1789 /* Initialize response queue entries */
1790 qla2x00_init_response_q_entries(rsp);
1791 }
1792
1793 spin_lock(&ha->vport_slock);
1794
1795 spin_unlock(&ha->vport_slock);
1796
1797 ha->isp_ops->config_rings(vha);
1798
1799 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1800
1801 /* Update any ISP specific firmware options before initialization. */
1802 ha->isp_ops->update_fw_options(vha);
1803
1804 ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
1805
1806 if (ha->flags.npiv_supported) {
1807 if (ha->operating_mode == LOOP)
1808 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1809 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1810 }
1811
1812 if (IS_FWI2_CAPABLE(ha)) {
1813 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1814 mid_init_cb->init_cb.execution_throttle =
1815 cpu_to_le16(ha->fw_xcb_count);
1816 }
1817
1818 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1819 if (rval) {
1820 ql_log(ql_log_fatal, vha, 0x00d2,
1821 "Init Firmware **** FAILED ****.\n");
1822 } else {
1823 ql_dbg(ql_dbg_init, vha, 0x00d3,
1824 "Init Firmware -- success.\n");
1825 }
1826
1827 return (rval);
1828 }
1829
1830 /**
1831 * qla2x00_fw_ready() - Waits for firmware ready.
1832 * @ha: HA context
1833 *
1834 * Returns 0 on success.
1835 */
1836 static int
qla2x00_fw_ready(scsi_qla_host_t * vha)1837 qla2x00_fw_ready(scsi_qla_host_t *vha)
1838 {
1839 int rval;
1840 unsigned long wtime, mtime, cs84xx_time;
1841 uint16_t min_wait; /* Minimum wait time if loop is down */
1842 uint16_t wait_time; /* Wait time if loop is coming ready */
1843 uint16_t state[5];
1844 struct qla_hw_data *ha = vha->hw;
1845
1846 rval = QLA_SUCCESS;
1847
1848 /* 20 seconds for loop down. */
1849 min_wait = 20;
1850
1851 /*
1852 * Firmware should take at most one RATOV to login, plus 5 seconds for
1853 * our own processing.
1854 */
1855 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1856 wait_time = min_wait;
1857 }
1858
1859 /* Min wait time if loop down */
1860 mtime = jiffies + (min_wait * HZ);
1861
1862 /* wait time before firmware ready */
1863 wtime = jiffies + (wait_time * HZ);
1864
1865 /* Wait for ISP to finish LIP */
1866 if (!vha->flags.init_done)
1867 ql_log(ql_log_info, vha, 0x801e,
1868 "Waiting for LIP to complete.\n");
1869
1870 do {
1871 rval = qla2x00_get_firmware_state(vha, state);
1872 if (rval == QLA_SUCCESS) {
1873 if (state[0] < FSTATE_LOSS_OF_SYNC) {
1874 vha->device_flags &= ~DFLG_NO_CABLE;
1875 }
1876 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1877 ql_dbg(ql_dbg_taskm, vha, 0x801f,
1878 "fw_state=%x 84xx=%x.\n", state[0],
1879 state[2]);
1880 if ((state[2] & FSTATE_LOGGED_IN) &&
1881 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1882 ql_dbg(ql_dbg_taskm, vha, 0x8028,
1883 "Sending verify iocb.\n");
1884
1885 cs84xx_time = jiffies;
1886 rval = qla84xx_init_chip(vha);
1887 if (rval != QLA_SUCCESS) {
1888 ql_log(ql_log_warn,
1889 vha, 0x8007,
1890 "Init chip failed.\n");
1891 break;
1892 }
1893
1894 /* Add time taken to initialize. */
1895 cs84xx_time = jiffies - cs84xx_time;
1896 wtime += cs84xx_time;
1897 mtime += cs84xx_time;
1898 ql_dbg(ql_dbg_taskm, vha, 0x8008,
1899 "Increasing wait time by %ld. "
1900 "New time %ld.\n", cs84xx_time,
1901 wtime);
1902 }
1903 } else if (state[0] == FSTATE_READY) {
1904 ql_dbg(ql_dbg_taskm, vha, 0x8037,
1905 "F/W Ready - OK.\n");
1906
1907 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1908 &ha->login_timeout, &ha->r_a_tov);
1909
1910 rval = QLA_SUCCESS;
1911 break;
1912 }
1913
1914 rval = QLA_FUNCTION_FAILED;
1915
1916 if (atomic_read(&vha->loop_down_timer) &&
1917 state[0] != FSTATE_READY) {
1918 /* Loop down. Timeout on min_wait for states
1919 * other than Wait for Login.
1920 */
1921 if (time_after_eq(jiffies, mtime)) {
1922 ql_log(ql_log_info, vha, 0x8038,
1923 "Cable is unplugged...\n");
1924
1925 vha->device_flags |= DFLG_NO_CABLE;
1926 break;
1927 }
1928 }
1929 } else {
1930 /* Mailbox cmd failed. Timeout on min_wait. */
1931 if (time_after_eq(jiffies, mtime) ||
1932 ha->flags.isp82xx_fw_hung)
1933 break;
1934 }
1935
1936 if (time_after_eq(jiffies, wtime))
1937 break;
1938
1939 /* Delay for a while */
1940 msleep(500);
1941 } while (1);
1942
1943 ql_dbg(ql_dbg_taskm, vha, 0x803a,
1944 "fw_state=%x (%x, %x, %x, %x) " "curr time=%lx.\n", state[0],
1945 state[1], state[2], state[3], state[4], jiffies);
1946
1947 if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
1948 ql_log(ql_log_warn, vha, 0x803b,
1949 "Firmware ready **** FAILED ****.\n");
1950 }
1951
1952 return (rval);
1953 }
1954
1955 /*
1956 * qla2x00_configure_hba
1957 * Setup adapter context.
1958 *
1959 * Input:
1960 * ha = adapter state pointer.
1961 *
1962 * Returns:
1963 * 0 = success
1964 *
1965 * Context:
1966 * Kernel context.
1967 */
1968 static int
qla2x00_configure_hba(scsi_qla_host_t * vha)1969 qla2x00_configure_hba(scsi_qla_host_t *vha)
1970 {
1971 int rval;
1972 uint16_t loop_id;
1973 uint16_t topo;
1974 uint16_t sw_cap;
1975 uint8_t al_pa;
1976 uint8_t area;
1977 uint8_t domain;
1978 char connect_type[22];
1979 struct qla_hw_data *ha = vha->hw;
1980
1981 /* Get host addresses. */
1982 rval = qla2x00_get_adapter_id(vha,
1983 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1984 if (rval != QLA_SUCCESS) {
1985 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1986 IS_CNA_CAPABLE(ha) ||
1987 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1988 ql_dbg(ql_dbg_disc, vha, 0x2008,
1989 "Loop is in a transition state.\n");
1990 } else {
1991 ql_log(ql_log_warn, vha, 0x2009,
1992 "Unable to get host loop ID.\n");
1993 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1994 }
1995 return (rval);
1996 }
1997
1998 if (topo == 4) {
1999 ql_log(ql_log_info, vha, 0x200a,
2000 "Cannot get topology - retrying.\n");
2001 return (QLA_FUNCTION_FAILED);
2002 }
2003
2004 vha->loop_id = loop_id;
2005
2006 /* initialize */
2007 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2008 ha->operating_mode = LOOP;
2009 ha->switch_cap = 0;
2010
2011 switch (topo) {
2012 case 0:
2013 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2014 ha->current_topology = ISP_CFG_NL;
2015 strcpy(connect_type, "(Loop)");
2016 break;
2017
2018 case 1:
2019 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2020 ha->switch_cap = sw_cap;
2021 ha->current_topology = ISP_CFG_FL;
2022 strcpy(connect_type, "(FL_Port)");
2023 break;
2024
2025 case 2:
2026 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2027 ha->operating_mode = P2P;
2028 ha->current_topology = ISP_CFG_N;
2029 strcpy(connect_type, "(N_Port-to-N_Port)");
2030 break;
2031
2032 case 3:
2033 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2034 ha->switch_cap = sw_cap;
2035 ha->operating_mode = P2P;
2036 ha->current_topology = ISP_CFG_F;
2037 strcpy(connect_type, "(F_Port)");
2038 break;
2039
2040 default:
2041 ql_dbg(ql_dbg_disc, vha, 0x200f,
2042 "HBA in unknown topology %x, using NL.\n", topo);
2043 ha->current_topology = ISP_CFG_NL;
2044 strcpy(connect_type, "(Loop)");
2045 break;
2046 }
2047
2048 /* Save Host port and loop ID. */
2049 /* byte order - Big Endian */
2050 vha->d_id.b.domain = domain;
2051 vha->d_id.b.area = area;
2052 vha->d_id.b.al_pa = al_pa;
2053
2054 if (!vha->flags.init_done)
2055 ql_log(ql_log_info, vha, 0x2010,
2056 "Topology - %s, Host Loop address 0x%x.\n",
2057 connect_type, vha->loop_id);
2058
2059 if (rval) {
2060 ql_log(ql_log_warn, vha, 0x2011,
2061 "%s FAILED\n", __func__);
2062 } else {
2063 ql_dbg(ql_dbg_disc, vha, 0x2012,
2064 "%s success\n", __func__);
2065 }
2066
2067 return(rval);
2068 }
2069
2070 inline void
qla2x00_set_model_info(scsi_qla_host_t * vha,uint8_t * model,size_t len,char * def)2071 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2072 char *def)
2073 {
2074 char *st, *en;
2075 uint16_t index;
2076 struct qla_hw_data *ha = vha->hw;
2077 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2078 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2079
2080 if (memcmp(model, BINZERO, len) != 0) {
2081 strncpy(ha->model_number, model, len);
2082 st = en = ha->model_number;
2083 en += len - 1;
2084 while (en > st) {
2085 if (*en != 0x20 && *en != 0x00)
2086 break;
2087 *en-- = '\0';
2088 }
2089
2090 index = (ha->pdev->subsystem_device & 0xff);
2091 if (use_tbl &&
2092 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2093 index < QLA_MODEL_NAMES)
2094 strncpy(ha->model_desc,
2095 qla2x00_model_name[index * 2 + 1],
2096 sizeof(ha->model_desc) - 1);
2097 } else {
2098 index = (ha->pdev->subsystem_device & 0xff);
2099 if (use_tbl &&
2100 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2101 index < QLA_MODEL_NAMES) {
2102 strcpy(ha->model_number,
2103 qla2x00_model_name[index * 2]);
2104 strncpy(ha->model_desc,
2105 qla2x00_model_name[index * 2 + 1],
2106 sizeof(ha->model_desc) - 1);
2107 } else {
2108 strcpy(ha->model_number, def);
2109 }
2110 }
2111 if (IS_FWI2_CAPABLE(ha))
2112 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2113 sizeof(ha->model_desc));
2114 }
2115
2116 /* On sparc systems, obtain port and node WWN from firmware
2117 * properties.
2118 */
qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t * vha,nvram_t * nv)2119 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2120 {
2121 #ifdef CONFIG_SPARC
2122 struct qla_hw_data *ha = vha->hw;
2123 struct pci_dev *pdev = ha->pdev;
2124 struct device_node *dp = pci_device_to_OF_node(pdev);
2125 const u8 *val;
2126 int len;
2127
2128 val = of_get_property(dp, "port-wwn", &len);
2129 if (val && len >= WWN_SIZE)
2130 memcpy(nv->port_name, val, WWN_SIZE);
2131
2132 val = of_get_property(dp, "node-wwn", &len);
2133 if (val && len >= WWN_SIZE)
2134 memcpy(nv->node_name, val, WWN_SIZE);
2135 #endif
2136 }
2137
2138 /*
2139 * NVRAM configuration for ISP 2xxx
2140 *
2141 * Input:
2142 * ha = adapter block pointer.
2143 *
2144 * Output:
2145 * initialization control block in response_ring
2146 * host adapters parameters in host adapter block
2147 *
2148 * Returns:
2149 * 0 = success.
2150 */
2151 int
qla2x00_nvram_config(scsi_qla_host_t * vha)2152 qla2x00_nvram_config(scsi_qla_host_t *vha)
2153 {
2154 int rval;
2155 uint8_t chksum = 0;
2156 uint16_t cnt;
2157 uint8_t *dptr1, *dptr2;
2158 struct qla_hw_data *ha = vha->hw;
2159 init_cb_t *icb = ha->init_cb;
2160 nvram_t *nv = ha->nvram;
2161 uint8_t *ptr = ha->nvram;
2162 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2163
2164 rval = QLA_SUCCESS;
2165
2166 /* Determine NVRAM starting address. */
2167 ha->nvram_size = sizeof(nvram_t);
2168 ha->nvram_base = 0;
2169 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2170 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1)
2171 ha->nvram_base = 0x80;
2172
2173 /* Get NVRAM data and calculate checksum. */
2174 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2175 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2176 chksum += *ptr++;
2177
2178 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2179 "Contents of NVRAM.\n");
2180 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2181 (uint8_t *)nv, ha->nvram_size);
2182
2183 /* Bad NVRAM data, set defaults parameters. */
2184 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2185 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2186 /* Reset NVRAM data. */
2187 ql_log(ql_log_warn, vha, 0x0064,
2188 "Inconisistent NVRAM "
2189 "detected: checksum=0x%x id=%c version=0x%x.\n",
2190 chksum, nv->id[0], nv->nvram_version);
2191 ql_log(ql_log_warn, vha, 0x0065,
2192 "Falling back to "
2193 "functioning (yet invalid -- WWPN) defaults.\n");
2194
2195 /*
2196 * Set default initialization control block.
2197 */
2198 memset(nv, 0, ha->nvram_size);
2199 nv->parameter_block_version = ICB_VERSION;
2200
2201 if (IS_QLA23XX(ha)) {
2202 nv->firmware_options[0] = BIT_2 | BIT_1;
2203 nv->firmware_options[1] = BIT_7 | BIT_5;
2204 nv->add_firmware_options[0] = BIT_5;
2205 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2206 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2207 nv->special_options[1] = BIT_7;
2208 } else if (IS_QLA2200(ha)) {
2209 nv->firmware_options[0] = BIT_2 | BIT_1;
2210 nv->firmware_options[1] = BIT_7 | BIT_5;
2211 nv->add_firmware_options[0] = BIT_5;
2212 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2213 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2214 } else if (IS_QLA2100(ha)) {
2215 nv->firmware_options[0] = BIT_3 | BIT_1;
2216 nv->firmware_options[1] = BIT_5;
2217 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2218 }
2219
2220 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2221 nv->execution_throttle = __constant_cpu_to_le16(16);
2222 nv->retry_count = 8;
2223 nv->retry_delay = 1;
2224
2225 nv->port_name[0] = 33;
2226 nv->port_name[3] = 224;
2227 nv->port_name[4] = 139;
2228
2229 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2230
2231 nv->login_timeout = 4;
2232
2233 /*
2234 * Set default host adapter parameters
2235 */
2236 nv->host_p[1] = BIT_2;
2237 nv->reset_delay = 5;
2238 nv->port_down_retry_count = 8;
2239 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2240 nv->link_down_timeout = 60;
2241
2242 rval = 1;
2243 }
2244
2245 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2246 /*
2247 * The SN2 does not provide BIOS emulation which means you can't change
2248 * potentially bogus BIOS settings. Force the use of default settings
2249 * for link rate and frame size. Hope that the rest of the settings
2250 * are valid.
2251 */
2252 if (ia64_platform_is("sn2")) {
2253 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2254 if (IS_QLA23XX(ha))
2255 nv->special_options[1] = BIT_7;
2256 }
2257 #endif
2258
2259 /* Reset Initialization control block */
2260 memset(icb, 0, ha->init_cb_size);
2261
2262 /*
2263 * Setup driver NVRAM options.
2264 */
2265 nv->firmware_options[0] |= (BIT_6 | BIT_1);
2266 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2267 nv->firmware_options[1] |= (BIT_5 | BIT_0);
2268 nv->firmware_options[1] &= ~BIT_4;
2269
2270 if (IS_QLA23XX(ha)) {
2271 nv->firmware_options[0] |= BIT_2;
2272 nv->firmware_options[0] &= ~BIT_3;
2273 nv->firmware_options[0] &= ~BIT_6;
2274 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2275
2276 if (IS_QLA2300(ha)) {
2277 if (ha->fb_rev == FPM_2310) {
2278 strcpy(ha->model_number, "QLA2310");
2279 } else {
2280 strcpy(ha->model_number, "QLA2300");
2281 }
2282 } else {
2283 qla2x00_set_model_info(vha, nv->model_number,
2284 sizeof(nv->model_number), "QLA23xx");
2285 }
2286 } else if (IS_QLA2200(ha)) {
2287 nv->firmware_options[0] |= BIT_2;
2288 /*
2289 * 'Point-to-point preferred, else loop' is not a safe
2290 * connection mode setting.
2291 */
2292 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2293 (BIT_5 | BIT_4)) {
2294 /* Force 'loop preferred, else point-to-point'. */
2295 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2296 nv->add_firmware_options[0] |= BIT_5;
2297 }
2298 strcpy(ha->model_number, "QLA22xx");
2299 } else /*if (IS_QLA2100(ha))*/ {
2300 strcpy(ha->model_number, "QLA2100");
2301 }
2302
2303 /*
2304 * Copy over NVRAM RISC parameter block to initialization control block.
2305 */
2306 dptr1 = (uint8_t *)icb;
2307 dptr2 = (uint8_t *)&nv->parameter_block_version;
2308 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2309 while (cnt--)
2310 *dptr1++ = *dptr2++;
2311
2312 /* Copy 2nd half. */
2313 dptr1 = (uint8_t *)icb->add_firmware_options;
2314 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2315 while (cnt--)
2316 *dptr1++ = *dptr2++;
2317
2318 /* Use alternate WWN? */
2319 if (nv->host_p[1] & BIT_7) {
2320 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2321 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2322 }
2323
2324 /* Prepare nodename */
2325 if ((icb->firmware_options[1] & BIT_6) == 0) {
2326 /*
2327 * Firmware will apply the following mask if the nodename was
2328 * not provided.
2329 */
2330 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2331 icb->node_name[0] &= 0xF0;
2332 }
2333
2334 /*
2335 * Set host adapter parameters.
2336 */
2337
2338 /*
2339 * BIT_7 in the host-parameters section allows for modification to
2340 * internal driver logging.
2341 */
2342 if (nv->host_p[0] & BIT_7)
2343 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2344 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2345 /* Always load RISC code on non ISP2[12]00 chips. */
2346 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2347 ha->flags.disable_risc_code_load = 0;
2348 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2349 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2350 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2351 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2352 ha->flags.disable_serdes = 0;
2353
2354 ha->operating_mode =
2355 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2356
2357 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2358 sizeof(ha->fw_seriallink_options));
2359
2360 /* save HBA serial number */
2361 ha->serial0 = icb->port_name[5];
2362 ha->serial1 = icb->port_name[6];
2363 ha->serial2 = icb->port_name[7];
2364 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2365 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2366
2367 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2368
2369 ha->retry_count = nv->retry_count;
2370
2371 /* Set minimum login_timeout to 4 seconds. */
2372 if (nv->login_timeout != ql2xlogintimeout)
2373 nv->login_timeout = ql2xlogintimeout;
2374 if (nv->login_timeout < 4)
2375 nv->login_timeout = 4;
2376 ha->login_timeout = nv->login_timeout;
2377 icb->login_timeout = nv->login_timeout;
2378
2379 /* Set minimum RATOV to 100 tenths of a second. */
2380 ha->r_a_tov = 100;
2381
2382 ha->loop_reset_delay = nv->reset_delay;
2383
2384 /* Link Down Timeout = 0:
2385 *
2386 * When Port Down timer expires we will start returning
2387 * I/O's to OS with "DID_NO_CONNECT".
2388 *
2389 * Link Down Timeout != 0:
2390 *
2391 * The driver waits for the link to come up after link down
2392 * before returning I/Os to OS with "DID_NO_CONNECT".
2393 */
2394 if (nv->link_down_timeout == 0) {
2395 ha->loop_down_abort_time =
2396 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2397 } else {
2398 ha->link_down_timeout = nv->link_down_timeout;
2399 ha->loop_down_abort_time =
2400 (LOOP_DOWN_TIME - ha->link_down_timeout);
2401 }
2402
2403 /*
2404 * Need enough time to try and get the port back.
2405 */
2406 ha->port_down_retry_count = nv->port_down_retry_count;
2407 if (qlport_down_retry)
2408 ha->port_down_retry_count = qlport_down_retry;
2409 /* Set login_retry_count */
2410 ha->login_retry_count = nv->retry_count;
2411 if (ha->port_down_retry_count == nv->port_down_retry_count &&
2412 ha->port_down_retry_count > 3)
2413 ha->login_retry_count = ha->port_down_retry_count;
2414 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2415 ha->login_retry_count = ha->port_down_retry_count;
2416 if (ql2xloginretrycount)
2417 ha->login_retry_count = ql2xloginretrycount;
2418
2419 icb->lun_enables = __constant_cpu_to_le16(0);
2420 icb->command_resource_count = 0;
2421 icb->immediate_notify_resource_count = 0;
2422 icb->timeout = __constant_cpu_to_le16(0);
2423
2424 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2425 /* Enable RIO */
2426 icb->firmware_options[0] &= ~BIT_3;
2427 icb->add_firmware_options[0] &=
2428 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2429 icb->add_firmware_options[0] |= BIT_2;
2430 icb->response_accumulation_timer = 3;
2431 icb->interrupt_delay_timer = 5;
2432
2433 vha->flags.process_response_queue = 1;
2434 } else {
2435 /* Enable ZIO. */
2436 if (!vha->flags.init_done) {
2437 ha->zio_mode = icb->add_firmware_options[0] &
2438 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2439 ha->zio_timer = icb->interrupt_delay_timer ?
2440 icb->interrupt_delay_timer: 2;
2441 }
2442 icb->add_firmware_options[0] &=
2443 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2444 vha->flags.process_response_queue = 0;
2445 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2446 ha->zio_mode = QLA_ZIO_MODE_6;
2447
2448 ql_log(ql_log_info, vha, 0x0068,
2449 "ZIO mode %d enabled; timer delay (%d us).\n",
2450 ha->zio_mode, ha->zio_timer * 100);
2451
2452 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2453 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2454 vha->flags.process_response_queue = 1;
2455 }
2456 }
2457
2458 if (rval) {
2459 ql_log(ql_log_warn, vha, 0x0069,
2460 "NVRAM configuration failed.\n");
2461 }
2462 return (rval);
2463 }
2464
2465 static void
qla2x00_rport_del(void * data)2466 qla2x00_rport_del(void *data)
2467 {
2468 fc_port_t *fcport = data;
2469 struct fc_rport *rport;
2470 unsigned long flags;
2471
2472 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2473 rport = fcport->drport ? fcport->drport: fcport->rport;
2474 fcport->drport = NULL;
2475 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2476 if (rport)
2477 fc_remote_port_delete(rport);
2478 }
2479
2480 /**
2481 * qla2x00_alloc_fcport() - Allocate a generic fcport.
2482 * @ha: HA context
2483 * @flags: allocation flags
2484 *
2485 * Returns a pointer to the allocated fcport, or NULL, if none available.
2486 */
2487 fc_port_t *
qla2x00_alloc_fcport(scsi_qla_host_t * vha,gfp_t flags)2488 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2489 {
2490 fc_port_t *fcport;
2491
2492 fcport = kzalloc(sizeof(fc_port_t), flags);
2493 if (!fcport)
2494 return NULL;
2495
2496 /* Setup fcport template structure. */
2497 fcport->vha = vha;
2498 fcport->vp_idx = vha->vp_idx;
2499 fcport->port_type = FCT_UNKNOWN;
2500 fcport->loop_id = FC_NO_LOOP_ID;
2501 qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2502 fcport->supported_classes = FC_COS_UNSPECIFIED;
2503
2504 return fcport;
2505 }
2506
2507 /*
2508 * qla2x00_configure_loop
2509 * Updates Fibre Channel Device Database with what is actually on loop.
2510 *
2511 * Input:
2512 * ha = adapter block pointer.
2513 *
2514 * Returns:
2515 * 0 = success.
2516 * 1 = error.
2517 * 2 = database was full and device was not configured.
2518 */
2519 static int
qla2x00_configure_loop(scsi_qla_host_t * vha)2520 qla2x00_configure_loop(scsi_qla_host_t *vha)
2521 {
2522 int rval;
2523 unsigned long flags, save_flags;
2524 struct qla_hw_data *ha = vha->hw;
2525 rval = QLA_SUCCESS;
2526
2527 /* Get Initiator ID */
2528 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2529 rval = qla2x00_configure_hba(vha);
2530 if (rval != QLA_SUCCESS) {
2531 ql_dbg(ql_dbg_disc, vha, 0x2013,
2532 "Unable to configure HBA.\n");
2533 return (rval);
2534 }
2535 }
2536
2537 save_flags = flags = vha->dpc_flags;
2538 ql_dbg(ql_dbg_disc, vha, 0x2014,
2539 "Configure loop -- dpc flags = 0x%lx.\n", flags);
2540
2541 /*
2542 * If we have both an RSCN and PORT UPDATE pending then handle them
2543 * both at the same time.
2544 */
2545 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2546 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2547
2548 qla2x00_get_data_rate(vha);
2549
2550 /* Determine what we need to do */
2551 if (ha->current_topology == ISP_CFG_FL &&
2552 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2553
2554 set_bit(RSCN_UPDATE, &flags);
2555
2556 } else if (ha->current_topology == ISP_CFG_F &&
2557 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2558
2559 set_bit(RSCN_UPDATE, &flags);
2560 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2561
2562 } else if (ha->current_topology == ISP_CFG_N) {
2563 clear_bit(RSCN_UPDATE, &flags);
2564
2565 } else if (!vha->flags.online ||
2566 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2567
2568 set_bit(RSCN_UPDATE, &flags);
2569 set_bit(LOCAL_LOOP_UPDATE, &flags);
2570 }
2571
2572 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2573 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2574 ql_dbg(ql_dbg_disc, vha, 0x2015,
2575 "Loop resync needed, failing.\n");
2576 rval = QLA_FUNCTION_FAILED;
2577 } else
2578 rval = qla2x00_configure_local_loop(vha);
2579 }
2580
2581 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2582 if (LOOP_TRANSITION(vha)) {
2583 ql_dbg(ql_dbg_disc, vha, 0x201e,
2584 "Needs RSCN update and loop transition.\n");
2585 rval = QLA_FUNCTION_FAILED;
2586 }
2587 else
2588 rval = qla2x00_configure_fabric(vha);
2589 }
2590
2591 if (rval == QLA_SUCCESS) {
2592 if (atomic_read(&vha->loop_down_timer) ||
2593 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2594 rval = QLA_FUNCTION_FAILED;
2595 } else {
2596 atomic_set(&vha->loop_state, LOOP_READY);
2597 ql_dbg(ql_dbg_disc, vha, 0x2069,
2598 "LOOP READY.\n");
2599 }
2600 }
2601
2602 if (rval) {
2603 ql_dbg(ql_dbg_disc, vha, 0x206a,
2604 "%s *** FAILED ***.\n", __func__);
2605 } else {
2606 ql_dbg(ql_dbg_disc, vha, 0x206b,
2607 "%s: exiting normally.\n", __func__);
2608 }
2609
2610 /* Restore state if a resync event occurred during processing */
2611 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2612 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2613 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2614 if (test_bit(RSCN_UPDATE, &save_flags)) {
2615 set_bit(RSCN_UPDATE, &vha->dpc_flags);
2616 }
2617 }
2618
2619 return (rval);
2620 }
2621
2622
2623
2624 /*
2625 * qla2x00_configure_local_loop
2626 * Updates Fibre Channel Device Database with local loop devices.
2627 *
2628 * Input:
2629 * ha = adapter block pointer.
2630 *
2631 * Returns:
2632 * 0 = success.
2633 */
2634 static int
qla2x00_configure_local_loop(scsi_qla_host_t * vha)2635 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2636 {
2637 int rval, rval2;
2638 int found_devs;
2639 int found;
2640 fc_port_t *fcport, *new_fcport;
2641
2642 uint16_t index;
2643 uint16_t entries;
2644 char *id_iter;
2645 uint16_t loop_id;
2646 uint8_t domain, area, al_pa;
2647 struct qla_hw_data *ha = vha->hw;
2648
2649 found_devs = 0;
2650 new_fcport = NULL;
2651 entries = MAX_FIBRE_DEVICES_LOOP;
2652
2653 ql_dbg(ql_dbg_disc, vha, 0x2016,
2654 "Getting FCAL position map.\n");
2655 if (ql2xextended_error_logging & ql_dbg_disc)
2656 qla2x00_get_fcal_position_map(vha, NULL);
2657
2658 /* Get list of logged in devices. */
2659 memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
2660 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2661 &entries);
2662 if (rval != QLA_SUCCESS)
2663 goto cleanup_allocation;
2664
2665 ql_dbg(ql_dbg_disc, vha, 0x2017,
2666 "Entries in ID list (%d).\n", entries);
2667 ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
2668 (uint8_t *)ha->gid_list,
2669 entries * sizeof(struct gid_list_info));
2670
2671 /* Allocate temporary fcport for any new fcports discovered. */
2672 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2673 if (new_fcport == NULL) {
2674 ql_log(ql_log_warn, vha, 0x2018,
2675 "Memory allocation failed for fcport.\n");
2676 rval = QLA_MEMORY_ALLOC_FAILED;
2677 goto cleanup_allocation;
2678 }
2679 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2680
2681 /*
2682 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2683 */
2684 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2685 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2686 fcport->port_type != FCT_BROADCAST &&
2687 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2688
2689 ql_dbg(ql_dbg_disc, vha, 0x2019,
2690 "Marking port lost loop_id=0x%04x.\n",
2691 fcport->loop_id);
2692
2693 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2694 }
2695 }
2696
2697 /* Add devices to port list. */
2698 id_iter = (char *)ha->gid_list;
2699 for (index = 0; index < entries; index++) {
2700 domain = ((struct gid_list_info *)id_iter)->domain;
2701 area = ((struct gid_list_info *)id_iter)->area;
2702 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2703 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2704 loop_id = (uint16_t)
2705 ((struct gid_list_info *)id_iter)->loop_id_2100;
2706 else
2707 loop_id = le16_to_cpu(
2708 ((struct gid_list_info *)id_iter)->loop_id);
2709 id_iter += ha->gid_list_info_size;
2710
2711 /* Bypass reserved domain fields. */
2712 if ((domain & 0xf0) == 0xf0)
2713 continue;
2714
2715 /* Bypass if not same domain and area of adapter. */
2716 if (area && domain &&
2717 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2718 continue;
2719
2720 /* Bypass invalid local loop ID. */
2721 if (loop_id > LAST_LOCAL_LOOP_ID)
2722 continue;
2723
2724 /* Fill in member data. */
2725 new_fcport->d_id.b.domain = domain;
2726 new_fcport->d_id.b.area = area;
2727 new_fcport->d_id.b.al_pa = al_pa;
2728 new_fcport->loop_id = loop_id;
2729 new_fcport->vp_idx = vha->vp_idx;
2730 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2731 if (rval2 != QLA_SUCCESS) {
2732 ql_dbg(ql_dbg_disc, vha, 0x201a,
2733 "Failed to retrieve fcport information "
2734 "-- get_port_database=%x, loop_id=0x%04x.\n",
2735 rval2, new_fcport->loop_id);
2736 ql_dbg(ql_dbg_disc, vha, 0x201b,
2737 "Scheduling resync.\n");
2738 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2739 continue;
2740 }
2741
2742 /* Check for matching device in port list. */
2743 found = 0;
2744 fcport = NULL;
2745 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2746 if (memcmp(new_fcport->port_name, fcport->port_name,
2747 WWN_SIZE))
2748 continue;
2749
2750 fcport->flags &= ~FCF_FABRIC_DEVICE;
2751 fcport->loop_id = new_fcport->loop_id;
2752 fcport->port_type = new_fcport->port_type;
2753 fcport->d_id.b24 = new_fcport->d_id.b24;
2754 memcpy(fcport->node_name, new_fcport->node_name,
2755 WWN_SIZE);
2756
2757 found++;
2758 break;
2759 }
2760
2761 if (!found) {
2762 /* New device, add to fcports list. */
2763 if (vha->vp_idx) {
2764 new_fcport->vha = vha;
2765 new_fcport->vp_idx = vha->vp_idx;
2766 }
2767 list_add_tail(&new_fcport->list, &vha->vp_fcports);
2768
2769 /* Allocate a new replacement fcport. */
2770 fcport = new_fcport;
2771 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2772 if (new_fcport == NULL) {
2773 ql_log(ql_log_warn, vha, 0x201c,
2774 "Failed to allocate memory for fcport.\n");
2775 rval = QLA_MEMORY_ALLOC_FAILED;
2776 goto cleanup_allocation;
2777 }
2778 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2779 }
2780
2781 /* Base iIDMA settings on HBA port speed. */
2782 fcport->fp_speed = ha->link_data_rate;
2783
2784 qla2x00_update_fcport(vha, fcport);
2785
2786 found_devs++;
2787 }
2788
2789 cleanup_allocation:
2790 kfree(new_fcport);
2791
2792 if (rval != QLA_SUCCESS) {
2793 ql_dbg(ql_dbg_disc, vha, 0x201d,
2794 "Configure local loop error exit: rval=%x.\n", rval);
2795 }
2796
2797 return (rval);
2798 }
2799
2800 static void
qla2x00_iidma_fcport(scsi_qla_host_t * vha,fc_port_t * fcport)2801 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2802 {
2803 #define LS_UNKNOWN 2
2804 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2805 char *link_speed;
2806 int rval;
2807 uint16_t mb[4];
2808 struct qla_hw_data *ha = vha->hw;
2809
2810 if (!IS_IIDMA_CAPABLE(ha))
2811 return;
2812
2813 if (atomic_read(&fcport->state) != FCS_ONLINE)
2814 return;
2815
2816 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2817 fcport->fp_speed > ha->link_data_rate)
2818 return;
2819
2820 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2821 mb);
2822 if (rval != QLA_SUCCESS) {
2823 ql_dbg(ql_dbg_disc, vha, 0x2004,
2824 "Unable to adjust iIDMA "
2825 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x "
2826 "%04x.\n", fcport->port_name[0], fcport->port_name[1],
2827 fcport->port_name[2], fcport->port_name[3],
2828 fcport->port_name[4], fcport->port_name[5],
2829 fcport->port_name[6], fcport->port_name[7], rval,
2830 fcport->fp_speed, mb[0], mb[1]);
2831 } else {
2832 link_speed = link_speeds[LS_UNKNOWN];
2833 if (fcport->fp_speed < 5)
2834 link_speed = link_speeds[fcport->fp_speed];
2835 else if (fcport->fp_speed == 0x13)
2836 link_speed = link_speeds[5];
2837 ql_dbg(ql_dbg_disc, vha, 0x2005,
2838 "iIDMA adjusted to %s GB/s "
2839 "on %02x%02x%02x%02x%02x%02x%02x%02x.\n", link_speed,
2840 fcport->port_name[0], fcport->port_name[1],
2841 fcport->port_name[2], fcport->port_name[3],
2842 fcport->port_name[4], fcport->port_name[5],
2843 fcport->port_name[6], fcport->port_name[7]);
2844 }
2845 }
2846
2847 static void
qla2x00_reg_remote_port(scsi_qla_host_t * vha,fc_port_t * fcport)2848 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2849 {
2850 struct fc_rport_identifiers rport_ids;
2851 struct fc_rport *rport;
2852 unsigned long flags;
2853
2854 qla2x00_rport_del(fcport);
2855
2856 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2857 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2858 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2859 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2860 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2861 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2862 if (!rport) {
2863 ql_log(ql_log_warn, vha, 0x2006,
2864 "Unable to allocate fc remote port.\n");
2865 return;
2866 }
2867 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2868 *((fc_port_t **)rport->dd_data) = fcport;
2869 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2870
2871 rport->supported_classes = fcport->supported_classes;
2872
2873 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2874 if (fcport->port_type == FCT_INITIATOR)
2875 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2876 if (fcport->port_type == FCT_TARGET)
2877 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2878 fc_remote_port_rolechg(rport, rport_ids.roles);
2879 }
2880
2881 /*
2882 * qla2x00_update_fcport
2883 * Updates device on list.
2884 *
2885 * Input:
2886 * ha = adapter block pointer.
2887 * fcport = port structure pointer.
2888 *
2889 * Return:
2890 * 0 - Success
2891 * BIT_0 - error
2892 *
2893 * Context:
2894 * Kernel context.
2895 */
2896 void
qla2x00_update_fcport(scsi_qla_host_t * vha,fc_port_t * fcport)2897 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2898 {
2899 fcport->vha = vha;
2900 fcport->login_retry = 0;
2901 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2902
2903 qla2x00_iidma_fcport(vha, fcport);
2904 qla24xx_update_fcport_fcp_prio(vha, fcport);
2905 qla2x00_reg_remote_port(vha, fcport);
2906 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
2907 }
2908
2909 /*
2910 * qla2x00_configure_fabric
2911 * Setup SNS devices with loop ID's.
2912 *
2913 * Input:
2914 * ha = adapter block pointer.
2915 *
2916 * Returns:
2917 * 0 = success.
2918 * BIT_0 = error
2919 */
2920 static int
qla2x00_configure_fabric(scsi_qla_host_t * vha)2921 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2922 {
2923 int rval;
2924 fc_port_t *fcport, *fcptemp;
2925 uint16_t next_loopid;
2926 uint16_t mb[MAILBOX_REGISTER_COUNT];
2927 uint16_t loop_id;
2928 LIST_HEAD(new_fcports);
2929 struct qla_hw_data *ha = vha->hw;
2930 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2931
2932 /* If FL port exists, then SNS is present */
2933 if (IS_FWI2_CAPABLE(ha))
2934 loop_id = NPH_F_PORT;
2935 else
2936 loop_id = SNS_FL_PORT;
2937 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2938 if (rval != QLA_SUCCESS) {
2939 ql_dbg(ql_dbg_disc, vha, 0x201f,
2940 "MBX_GET_PORT_NAME failed, No FL Port.\n");
2941
2942 vha->device_flags &= ~SWITCH_FOUND;
2943 return (QLA_SUCCESS);
2944 }
2945 vha->device_flags |= SWITCH_FOUND;
2946
2947 do {
2948 /* FDMI support. */
2949 if (ql2xfdmienable &&
2950 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2951 qla2x00_fdmi_register(vha);
2952
2953 /* Ensure we are logged into the SNS. */
2954 if (IS_FWI2_CAPABLE(ha))
2955 loop_id = NPH_SNS;
2956 else
2957 loop_id = SIMPLE_NAME_SERVER;
2958 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2959 0xfc, mb, BIT_1|BIT_0);
2960 if (rval != QLA_SUCCESS) {
2961 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2962 return rval;
2963 }
2964 if (mb[0] != MBS_COMMAND_COMPLETE) {
2965 ql_dbg(ql_dbg_disc, vha, 0x2042,
2966 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
2967 "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
2968 mb[2], mb[6], mb[7]);
2969 return (QLA_SUCCESS);
2970 }
2971
2972 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2973 if (qla2x00_rft_id(vha)) {
2974 /* EMPTY */
2975 ql_dbg(ql_dbg_disc, vha, 0x2045,
2976 "Register FC-4 TYPE failed.\n");
2977 }
2978 if (qla2x00_rff_id(vha)) {
2979 /* EMPTY */
2980 ql_dbg(ql_dbg_disc, vha, 0x2049,
2981 "Register FC-4 Features failed.\n");
2982 }
2983 if (qla2x00_rnn_id(vha)) {
2984 /* EMPTY */
2985 ql_dbg(ql_dbg_disc, vha, 0x204f,
2986 "Register Node Name failed.\n");
2987 } else if (qla2x00_rsnn_nn(vha)) {
2988 /* EMPTY */
2989 ql_dbg(ql_dbg_disc, vha, 0x2053,
2990 "Register Symobilic Node Name failed.\n");
2991 }
2992 }
2993
2994 #define QLA_FCPORT_SCAN 1
2995 #define QLA_FCPORT_FOUND 2
2996
2997 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2998 fcport->scan_state = QLA_FCPORT_SCAN;
2999 }
3000
3001 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3002 if (rval != QLA_SUCCESS)
3003 break;
3004
3005 /*
3006 * Logout all previous fabric devices marked lost, except
3007 * FCP2 devices.
3008 */
3009 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3010 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3011 break;
3012
3013 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3014 continue;
3015
3016 if (fcport->scan_state == QLA_FCPORT_SCAN &&
3017 atomic_read(&fcport->state) == FCS_ONLINE) {
3018 qla2x00_mark_device_lost(vha, fcport,
3019 ql2xplogiabsentdevice, 0);
3020 if (fcport->loop_id != FC_NO_LOOP_ID &&
3021 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3022 fcport->port_type != FCT_INITIATOR &&
3023 fcport->port_type != FCT_BROADCAST) {
3024 ha->isp_ops->fabric_logout(vha,
3025 fcport->loop_id,
3026 fcport->d_id.b.domain,
3027 fcport->d_id.b.area,
3028 fcport->d_id.b.al_pa);
3029 fcport->loop_id = FC_NO_LOOP_ID;
3030 }
3031 }
3032 }
3033
3034 /* Starting free loop ID. */
3035 next_loopid = ha->min_external_loopid;
3036
3037 /*
3038 * Scan through our port list and login entries that need to be
3039 * logged in.
3040 */
3041 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3042 if (atomic_read(&vha->loop_down_timer) ||
3043 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3044 break;
3045
3046 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3047 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3048 continue;
3049
3050 if (fcport->loop_id == FC_NO_LOOP_ID) {
3051 fcport->loop_id = next_loopid;
3052 rval = qla2x00_find_new_loop_id(
3053 base_vha, fcport);
3054 if (rval != QLA_SUCCESS) {
3055 /* Ran out of IDs to use */
3056 break;
3057 }
3058 }
3059 /* Login and update database */
3060 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3061 }
3062
3063 /* Exit if out of loop IDs. */
3064 if (rval != QLA_SUCCESS) {
3065 break;
3066 }
3067
3068 /*
3069 * Login and add the new devices to our port list.
3070 */
3071 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3072 if (atomic_read(&vha->loop_down_timer) ||
3073 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3074 break;
3075
3076 /* Find a new loop ID to use. */
3077 fcport->loop_id = next_loopid;
3078 rval = qla2x00_find_new_loop_id(base_vha, fcport);
3079 if (rval != QLA_SUCCESS) {
3080 /* Ran out of IDs to use */
3081 break;
3082 }
3083
3084 /* Login and update database */
3085 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3086
3087 if (vha->vp_idx) {
3088 fcport->vha = vha;
3089 fcport->vp_idx = vha->vp_idx;
3090 }
3091 list_move_tail(&fcport->list, &vha->vp_fcports);
3092 }
3093 } while (0);
3094
3095 /* Free all new device structures not processed. */
3096 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3097 list_del(&fcport->list);
3098 kfree(fcport);
3099 }
3100
3101 if (rval) {
3102 ql_dbg(ql_dbg_disc, vha, 0x2068,
3103 "Configure fabric error exit rval=%d.\n", rval);
3104 }
3105
3106 return (rval);
3107 }
3108
3109 /*
3110 * qla2x00_find_all_fabric_devs
3111 *
3112 * Input:
3113 * ha = adapter block pointer.
3114 * dev = database device entry pointer.
3115 *
3116 * Returns:
3117 * 0 = success.
3118 *
3119 * Context:
3120 * Kernel context.
3121 */
3122 static int
qla2x00_find_all_fabric_devs(scsi_qla_host_t * vha,struct list_head * new_fcports)3123 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3124 struct list_head *new_fcports)
3125 {
3126 int rval;
3127 uint16_t loop_id;
3128 fc_port_t *fcport, *new_fcport, *fcptemp;
3129 int found;
3130
3131 sw_info_t *swl;
3132 int swl_idx;
3133 int first_dev, last_dev;
3134 port_id_t wrap = {}, nxt_d_id;
3135 struct qla_hw_data *ha = vha->hw;
3136 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3137 struct scsi_qla_host *tvp;
3138
3139 rval = QLA_SUCCESS;
3140
3141 /* Try GID_PT to get device list, else GAN. */
3142 if (!ha->swl)
3143 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3144 GFP_KERNEL);
3145 swl = ha->swl;
3146 if (!swl) {
3147 /*EMPTY*/
3148 ql_dbg(ql_dbg_disc, vha, 0x2054,
3149 "GID_PT allocations failed, fallback on GA_NXT.\n");
3150 } else {
3151 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3152 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3153 swl = NULL;
3154 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3155 swl = NULL;
3156 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3157 swl = NULL;
3158 } else if (ql2xiidmaenable &&
3159 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3160 qla2x00_gpsc(vha, swl);
3161 }
3162
3163 /* If other queries succeeded probe for FC-4 type */
3164 if (swl)
3165 qla2x00_gff_id(vha, swl);
3166 }
3167 swl_idx = 0;
3168
3169 /* Allocate temporary fcport for any new fcports discovered. */
3170 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3171 if (new_fcport == NULL) {
3172 ql_log(ql_log_warn, vha, 0x205e,
3173 "Failed to allocate memory for fcport.\n");
3174 return (QLA_MEMORY_ALLOC_FAILED);
3175 }
3176 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3177 /* Set start port ID scan at adapter ID. */
3178 first_dev = 1;
3179 last_dev = 0;
3180
3181 /* Starting free loop ID. */
3182 loop_id = ha->min_external_loopid;
3183 for (; loop_id <= ha->max_loop_id; loop_id++) {
3184 if (qla2x00_is_reserved_id(vha, loop_id))
3185 continue;
3186
3187 if (ha->current_topology == ISP_CFG_FL &&
3188 (atomic_read(&vha->loop_down_timer) ||
3189 LOOP_TRANSITION(vha))) {
3190 atomic_set(&vha->loop_down_timer, 0);
3191 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3192 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3193 break;
3194 }
3195
3196 if (swl != NULL) {
3197 if (last_dev) {
3198 wrap.b24 = new_fcport->d_id.b24;
3199 } else {
3200 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3201 memcpy(new_fcport->node_name,
3202 swl[swl_idx].node_name, WWN_SIZE);
3203 memcpy(new_fcport->port_name,
3204 swl[swl_idx].port_name, WWN_SIZE);
3205 memcpy(new_fcport->fabric_port_name,
3206 swl[swl_idx].fabric_port_name, WWN_SIZE);
3207 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3208 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3209
3210 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3211 last_dev = 1;
3212 }
3213 swl_idx++;
3214 }
3215 } else {
3216 /* Send GA_NXT to the switch */
3217 rval = qla2x00_ga_nxt(vha, new_fcport);
3218 if (rval != QLA_SUCCESS) {
3219 ql_log(ql_log_warn, vha, 0x2064,
3220 "SNS scan failed -- assuming "
3221 "zero-entry result.\n");
3222 list_for_each_entry_safe(fcport, fcptemp,
3223 new_fcports, list) {
3224 list_del(&fcport->list);
3225 kfree(fcport);
3226 }
3227 rval = QLA_SUCCESS;
3228 break;
3229 }
3230 }
3231
3232 /* If wrap on switch device list, exit. */
3233 if (first_dev) {
3234 wrap.b24 = new_fcport->d_id.b24;
3235 first_dev = 0;
3236 } else if (new_fcport->d_id.b24 == wrap.b24) {
3237 ql_dbg(ql_dbg_disc, vha, 0x2065,
3238 "Device wrap (%02x%02x%02x).\n",
3239 new_fcport->d_id.b.domain,
3240 new_fcport->d_id.b.area,
3241 new_fcport->d_id.b.al_pa);
3242 break;
3243 }
3244
3245 /* Bypass if same physical adapter. */
3246 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3247 continue;
3248
3249 /* Bypass virtual ports of the same host. */
3250 found = 0;
3251 if (ha->num_vhosts) {
3252 unsigned long flags;
3253
3254 spin_lock_irqsave(&ha->vport_slock, flags);
3255 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3256 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3257 found = 1;
3258 break;
3259 }
3260 }
3261 spin_unlock_irqrestore(&ha->vport_slock, flags);
3262
3263 if (found)
3264 continue;
3265 }
3266
3267 /* Bypass if same domain and area of adapter. */
3268 if (((new_fcport->d_id.b24 & 0xffff00) ==
3269 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3270 ISP_CFG_FL)
3271 continue;
3272
3273 /* Bypass reserved domain fields. */
3274 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3275 continue;
3276
3277 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3278 if (ql2xgffidenable &&
3279 (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3280 new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3281 continue;
3282
3283 /* Locate matching device in database. */
3284 found = 0;
3285 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3286 if (memcmp(new_fcport->port_name, fcport->port_name,
3287 WWN_SIZE))
3288 continue;
3289
3290 fcport->scan_state = QLA_FCPORT_FOUND;
3291
3292 found++;
3293
3294 /* Update port state. */
3295 memcpy(fcport->fabric_port_name,
3296 new_fcport->fabric_port_name, WWN_SIZE);
3297 fcport->fp_speed = new_fcport->fp_speed;
3298
3299 /*
3300 * If address the same and state FCS_ONLINE, nothing
3301 * changed.
3302 */
3303 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3304 atomic_read(&fcport->state) == FCS_ONLINE) {
3305 break;
3306 }
3307
3308 /*
3309 * If device was not a fabric device before.
3310 */
3311 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3312 fcport->d_id.b24 = new_fcport->d_id.b24;
3313 fcport->loop_id = FC_NO_LOOP_ID;
3314 fcport->flags |= (FCF_FABRIC_DEVICE |
3315 FCF_LOGIN_NEEDED);
3316 break;
3317 }
3318
3319 /*
3320 * Port ID changed or device was marked to be updated;
3321 * Log it out if still logged in and mark it for
3322 * relogin later.
3323 */
3324 fcport->d_id.b24 = new_fcport->d_id.b24;
3325 fcport->flags |= FCF_LOGIN_NEEDED;
3326 if (fcport->loop_id != FC_NO_LOOP_ID &&
3327 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3328 (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3329 fcport->port_type != FCT_INITIATOR &&
3330 fcport->port_type != FCT_BROADCAST) {
3331 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3332 fcport->d_id.b.domain, fcport->d_id.b.area,
3333 fcport->d_id.b.al_pa);
3334 fcport->loop_id = FC_NO_LOOP_ID;
3335 }
3336
3337 break;
3338 }
3339
3340 if (found)
3341 continue;
3342 /* If device was not in our fcports list, then add it. */
3343 list_add_tail(&new_fcport->list, new_fcports);
3344
3345 /* Allocate a new replacement fcport. */
3346 nxt_d_id.b24 = new_fcport->d_id.b24;
3347 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3348 if (new_fcport == NULL) {
3349 ql_log(ql_log_warn, vha, 0x2066,
3350 "Memory allocation failed for fcport.\n");
3351 return (QLA_MEMORY_ALLOC_FAILED);
3352 }
3353 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3354 new_fcport->d_id.b24 = nxt_d_id.b24;
3355 }
3356
3357 kfree(new_fcport);
3358
3359 return (rval);
3360 }
3361
3362 /*
3363 * qla2x00_find_new_loop_id
3364 * Scan through our port list and find a new usable loop ID.
3365 *
3366 * Input:
3367 * ha: adapter state pointer.
3368 * dev: port structure pointer.
3369 *
3370 * Returns:
3371 * qla2x00 local function return status code.
3372 *
3373 * Context:
3374 * Kernel context.
3375 */
3376 int
qla2x00_find_new_loop_id(scsi_qla_host_t * vha,fc_port_t * dev)3377 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3378 {
3379 int rval;
3380 int found;
3381 fc_port_t *fcport;
3382 uint16_t first_loop_id;
3383 struct qla_hw_data *ha = vha->hw;
3384 struct scsi_qla_host *vp;
3385 struct scsi_qla_host *tvp;
3386 unsigned long flags = 0;
3387
3388 rval = QLA_SUCCESS;
3389
3390 /* Save starting loop ID. */
3391 first_loop_id = dev->loop_id;
3392
3393 for (;;) {
3394 /* Skip loop ID if already used by adapter. */
3395 if (dev->loop_id == vha->loop_id)
3396 dev->loop_id++;
3397
3398 /* Skip reserved loop IDs. */
3399 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3400 dev->loop_id++;
3401
3402 /* Reset loop ID if passed the end. */
3403 if (dev->loop_id > ha->max_loop_id) {
3404 /* first loop ID. */
3405 dev->loop_id = ha->min_external_loopid;
3406 }
3407
3408 /* Check for loop ID being already in use. */
3409 found = 0;
3410 fcport = NULL;
3411
3412 spin_lock_irqsave(&ha->vport_slock, flags);
3413 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3414 list_for_each_entry(fcport, &vp->vp_fcports, list) {
3415 if (fcport->loop_id == dev->loop_id &&
3416 fcport != dev) {
3417 /* ID possibly in use */
3418 found++;
3419 break;
3420 }
3421 }
3422 if (found)
3423 break;
3424 }
3425 spin_unlock_irqrestore(&ha->vport_slock, flags);
3426
3427 /* If not in use then it is free to use. */
3428 if (!found) {
3429 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3430 "Assigning new loopid=%x, portid=%x.\n",
3431 dev->loop_id, dev->d_id.b24);
3432 break;
3433 }
3434
3435 /* ID in use. Try next value. */
3436 dev->loop_id++;
3437
3438 /* If wrap around. No free ID to use. */
3439 if (dev->loop_id == first_loop_id) {
3440 dev->loop_id = FC_NO_LOOP_ID;
3441 rval = QLA_FUNCTION_FAILED;
3442 break;
3443 }
3444 }
3445
3446 return (rval);
3447 }
3448
3449 /*
3450 * qla2x00_fabric_dev_login
3451 * Login fabric target device and update FC port database.
3452 *
3453 * Input:
3454 * ha: adapter state pointer.
3455 * fcport: port structure list pointer.
3456 * next_loopid: contains value of a new loop ID that can be used
3457 * by the next login attempt.
3458 *
3459 * Returns:
3460 * qla2x00 local function return status code.
3461 *
3462 * Context:
3463 * Kernel context.
3464 */
3465 static int
qla2x00_fabric_dev_login(scsi_qla_host_t * vha,fc_port_t * fcport,uint16_t * next_loopid)3466 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3467 uint16_t *next_loopid)
3468 {
3469 int rval;
3470 int retry;
3471 uint8_t opts;
3472 struct qla_hw_data *ha = vha->hw;
3473
3474 rval = QLA_SUCCESS;
3475 retry = 0;
3476
3477 if (IS_ALOGIO_CAPABLE(ha)) {
3478 if (fcport->flags & FCF_ASYNC_SENT)
3479 return rval;
3480 fcport->flags |= FCF_ASYNC_SENT;
3481 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3482 if (!rval)
3483 return rval;
3484 }
3485
3486 fcport->flags &= ~FCF_ASYNC_SENT;
3487 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3488 if (rval == QLA_SUCCESS) {
3489 /* Send an ADISC to FCP2 devices.*/
3490 opts = 0;
3491 if (fcport->flags & FCF_FCP2_DEVICE)
3492 opts |= BIT_1;
3493 rval = qla2x00_get_port_database(vha, fcport, opts);
3494 if (rval != QLA_SUCCESS) {
3495 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3496 fcport->d_id.b.domain, fcport->d_id.b.area,
3497 fcport->d_id.b.al_pa);
3498 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3499 } else {
3500 qla2x00_update_fcport(vha, fcport);
3501 }
3502 } else {
3503 /* Retry Login. */
3504 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3505 }
3506
3507 return (rval);
3508 }
3509
3510 /*
3511 * qla2x00_fabric_login
3512 * Issue fabric login command.
3513 *
3514 * Input:
3515 * ha = adapter block pointer.
3516 * device = pointer to FC device type structure.
3517 *
3518 * Returns:
3519 * 0 - Login successfully
3520 * 1 - Login failed
3521 * 2 - Initiator device
3522 * 3 - Fatal error
3523 */
3524 int
qla2x00_fabric_login(scsi_qla_host_t * vha,fc_port_t * fcport,uint16_t * next_loopid)3525 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3526 uint16_t *next_loopid)
3527 {
3528 int rval;
3529 int retry;
3530 uint16_t tmp_loopid;
3531 uint16_t mb[MAILBOX_REGISTER_COUNT];
3532 struct qla_hw_data *ha = vha->hw;
3533
3534 retry = 0;
3535 tmp_loopid = 0;
3536
3537 for (;;) {
3538 ql_dbg(ql_dbg_disc, vha, 0x2000,
3539 "Trying Fabric Login w/loop id 0x%04x for port "
3540 "%02x%02x%02x.\n",
3541 fcport->loop_id, fcport->d_id.b.domain,
3542 fcport->d_id.b.area, fcport->d_id.b.al_pa);
3543
3544 /* Login fcport on switch. */
3545 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
3546 fcport->d_id.b.domain, fcport->d_id.b.area,
3547 fcport->d_id.b.al_pa, mb, BIT_0);
3548 if (rval != QLA_SUCCESS) {
3549 return rval;
3550 }
3551 if (mb[0] == MBS_PORT_ID_USED) {
3552 /*
3553 * Device has another loop ID. The firmware team
3554 * recommends the driver perform an implicit login with
3555 * the specified ID again. The ID we just used is save
3556 * here so we return with an ID that can be tried by
3557 * the next login.
3558 */
3559 retry++;
3560 tmp_loopid = fcport->loop_id;
3561 fcport->loop_id = mb[1];
3562
3563 ql_dbg(ql_dbg_disc, vha, 0x2001,
3564 "Fabric Login: port in use - next loop "
3565 "id=0x%04x, port id= %02x%02x%02x.\n",
3566 fcport->loop_id, fcport->d_id.b.domain,
3567 fcport->d_id.b.area, fcport->d_id.b.al_pa);
3568
3569 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3570 /*
3571 * Login succeeded.
3572 */
3573 if (retry) {
3574 /* A retry occurred before. */
3575 *next_loopid = tmp_loopid;
3576 } else {
3577 /*
3578 * No retry occurred before. Just increment the
3579 * ID value for next login.
3580 */
3581 *next_loopid = (fcport->loop_id + 1);
3582 }
3583
3584 if (mb[1] & BIT_0) {
3585 fcport->port_type = FCT_INITIATOR;
3586 } else {
3587 fcport->port_type = FCT_TARGET;
3588 if (mb[1] & BIT_1) {
3589 fcport->flags |= FCF_FCP2_DEVICE;
3590 }
3591 }
3592
3593 if (mb[10] & BIT_0)
3594 fcport->supported_classes |= FC_COS_CLASS2;
3595 if (mb[10] & BIT_1)
3596 fcport->supported_classes |= FC_COS_CLASS3;
3597
3598 rval = QLA_SUCCESS;
3599 break;
3600 } else if (mb[0] == MBS_LOOP_ID_USED) {
3601 /*
3602 * Loop ID already used, try next loop ID.
3603 */
3604 fcport->loop_id++;
3605 rval = qla2x00_find_new_loop_id(vha, fcport);
3606 if (rval != QLA_SUCCESS) {
3607 /* Ran out of loop IDs to use */
3608 break;
3609 }
3610 } else if (mb[0] == MBS_COMMAND_ERROR) {
3611 /*
3612 * Firmware possibly timed out during login. If NO
3613 * retries are left to do then the device is declared
3614 * dead.
3615 */
3616 *next_loopid = fcport->loop_id;
3617 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3618 fcport->d_id.b.domain, fcport->d_id.b.area,
3619 fcport->d_id.b.al_pa);
3620 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3621
3622 rval = 1;
3623 break;
3624 } else {
3625 /*
3626 * unrecoverable / not handled error
3627 */
3628 ql_dbg(ql_dbg_disc, vha, 0x2002,
3629 "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3630 "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3631 fcport->d_id.b.area, fcport->d_id.b.al_pa,
3632 fcport->loop_id, jiffies);
3633
3634 *next_loopid = fcport->loop_id;
3635 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3636 fcport->d_id.b.domain, fcport->d_id.b.area,
3637 fcport->d_id.b.al_pa);
3638 fcport->loop_id = FC_NO_LOOP_ID;
3639 fcport->login_retry = 0;
3640
3641 rval = 3;
3642 break;
3643 }
3644 }
3645
3646 return (rval);
3647 }
3648
3649 /*
3650 * qla2x00_local_device_login
3651 * Issue local device login command.
3652 *
3653 * Input:
3654 * ha = adapter block pointer.
3655 * loop_id = loop id of device to login to.
3656 *
3657 * Returns (Where's the #define!!!!):
3658 * 0 - Login successfully
3659 * 1 - Login failed
3660 * 3 - Fatal error
3661 */
3662 int
qla2x00_local_device_login(scsi_qla_host_t * vha,fc_port_t * fcport)3663 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3664 {
3665 int rval;
3666 uint16_t mb[MAILBOX_REGISTER_COUNT];
3667
3668 memset(mb, 0, sizeof(mb));
3669 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3670 if (rval == QLA_SUCCESS) {
3671 /* Interrogate mailbox registers for any errors */
3672 if (mb[0] == MBS_COMMAND_ERROR)
3673 rval = 1;
3674 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3675 /* device not in PCB table */
3676 rval = 3;
3677 }
3678
3679 return (rval);
3680 }
3681
3682 /*
3683 * qla2x00_loop_resync
3684 * Resync with fibre channel devices.
3685 *
3686 * Input:
3687 * ha = adapter block pointer.
3688 *
3689 * Returns:
3690 * 0 = success
3691 */
3692 int
qla2x00_loop_resync(scsi_qla_host_t * vha)3693 qla2x00_loop_resync(scsi_qla_host_t *vha)
3694 {
3695 int rval = QLA_SUCCESS;
3696 uint32_t wait_time;
3697 struct req_que *req;
3698 struct rsp_que *rsp;
3699
3700 if (vha->hw->flags.cpu_affinity_enabled)
3701 req = vha->hw->req_q_map[0];
3702 else
3703 req = vha->req;
3704 rsp = req->rsp;
3705
3706 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3707 if (vha->flags.online) {
3708 if (!(rval = qla2x00_fw_ready(vha))) {
3709 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3710 wait_time = 256;
3711 do {
3712 /* Issue a marker after FW becomes ready. */
3713 qla2x00_marker(vha, req, rsp, 0, 0,
3714 MK_SYNC_ALL);
3715 vha->marker_needed = 0;
3716
3717 /* Remap devices on Loop. */
3718 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3719
3720 qla2x00_configure_loop(vha);
3721 wait_time--;
3722 } while (!atomic_read(&vha->loop_down_timer) &&
3723 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3724 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3725 &vha->dpc_flags)));
3726 }
3727 }
3728
3729 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3730 return (QLA_FUNCTION_FAILED);
3731
3732 if (rval)
3733 ql_dbg(ql_dbg_disc, vha, 0x206c,
3734 "%s *** FAILED ***.\n", __func__);
3735
3736 return (rval);
3737 }
3738
3739 /*
3740 * qla2x00_perform_loop_resync
3741 * Description: This function will set the appropriate flags and call
3742 * qla2x00_loop_resync. If successful loop will be resynced
3743 * Arguments : scsi_qla_host_t pointer
3744 * returm : Success or Failure
3745 */
3746
qla2x00_perform_loop_resync(scsi_qla_host_t * ha)3747 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3748 {
3749 int32_t rval = 0;
3750
3751 if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3752 /*Configure the flags so that resync happens properly*/
3753 atomic_set(&ha->loop_down_timer, 0);
3754 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3755 atomic_set(&ha->loop_state, LOOP_UP);
3756 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3757 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3758 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3759
3760 rval = qla2x00_loop_resync(ha);
3761 } else
3762 atomic_set(&ha->loop_state, LOOP_DEAD);
3763
3764 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3765 }
3766
3767 return rval;
3768 }
3769
3770 void
qla2x00_update_fcports(scsi_qla_host_t * base_vha)3771 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3772 {
3773 fc_port_t *fcport;
3774 struct scsi_qla_host *vha;
3775 struct qla_hw_data *ha = base_vha->hw;
3776 unsigned long flags;
3777
3778 spin_lock_irqsave(&ha->vport_slock, flags);
3779 /* Go with deferred removal of rport references. */
3780 list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3781 atomic_inc(&vha->vref_count);
3782 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3783 if (fcport->drport &&
3784 atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3785 spin_unlock_irqrestore(&ha->vport_slock, flags);
3786
3787 qla2x00_rport_del(fcport);
3788
3789 spin_lock_irqsave(&ha->vport_slock, flags);
3790 }
3791 }
3792 atomic_dec(&vha->vref_count);
3793 }
3794 spin_unlock_irqrestore(&ha->vport_slock, flags);
3795 }
3796
3797 /*
3798 * qla82xx_quiescent_state_cleanup
3799 * Description: This function will block the new I/Os
3800 * Its not aborting any I/Os as context
3801 * is not destroyed during quiescence
3802 * Arguments: scsi_qla_host_t
3803 * return : void
3804 */
3805 void
qla82xx_quiescent_state_cleanup(scsi_qla_host_t * vha)3806 qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3807 {
3808 struct qla_hw_data *ha = vha->hw;
3809 struct scsi_qla_host *vp;
3810
3811 ql_dbg(ql_dbg_p3p, vha, 0xb002,
3812 "Performing ISP error recovery - ha=%p.\n", ha);
3813
3814 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3815 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3816 atomic_set(&vha->loop_state, LOOP_DOWN);
3817 qla2x00_mark_all_devices_lost(vha, 0);
3818 list_for_each_entry(vp, &ha->vp_list, list)
3819 qla2x00_mark_all_devices_lost(vha, 0);
3820 } else {
3821 if (!atomic_read(&vha->loop_down_timer))
3822 atomic_set(&vha->loop_down_timer,
3823 LOOP_DOWN_TIME);
3824 }
3825 /* Wait for pending cmds to complete */
3826 qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3827 }
3828
3829 void
qla2x00_abort_isp_cleanup(scsi_qla_host_t * vha)3830 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3831 {
3832 struct qla_hw_data *ha = vha->hw;
3833 struct scsi_qla_host *vp;
3834 unsigned long flags;
3835 fc_port_t *fcport;
3836
3837 /* For ISP82XX, driver waits for completion of the commands.
3838 * online flag should be set.
3839 */
3840 if (!IS_QLA82XX(ha))
3841 vha->flags.online = 0;
3842 ha->flags.chip_reset_done = 0;
3843 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3844 ha->qla_stats.total_isp_aborts++;
3845
3846 ql_log(ql_log_info, vha, 0x00af,
3847 "Performing ISP error recovery - ha=%p.\n", ha);
3848
3849 /* For ISP82XX, reset_chip is just disabling interrupts.
3850 * Driver waits for the completion of the commands.
3851 * the interrupts need to be enabled.
3852 */
3853 if (!IS_QLA82XX(ha))
3854 ha->isp_ops->reset_chip(vha);
3855
3856 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3857 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3858 atomic_set(&vha->loop_state, LOOP_DOWN);
3859 qla2x00_mark_all_devices_lost(vha, 0);
3860
3861 spin_lock_irqsave(&ha->vport_slock, flags);
3862 list_for_each_entry(vp, &ha->vp_list, list) {
3863 atomic_inc(&vp->vref_count);
3864 spin_unlock_irqrestore(&ha->vport_slock, flags);
3865
3866 qla2x00_mark_all_devices_lost(vp, 0);
3867
3868 spin_lock_irqsave(&ha->vport_slock, flags);
3869 atomic_dec(&vp->vref_count);
3870 }
3871 spin_unlock_irqrestore(&ha->vport_slock, flags);
3872 } else {
3873 if (!atomic_read(&vha->loop_down_timer))
3874 atomic_set(&vha->loop_down_timer,
3875 LOOP_DOWN_TIME);
3876 }
3877
3878 /* Clear all async request states across all VPs. */
3879 list_for_each_entry(fcport, &vha->vp_fcports, list)
3880 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3881 spin_lock_irqsave(&ha->vport_slock, flags);
3882 list_for_each_entry(vp, &ha->vp_list, list) {
3883 atomic_inc(&vp->vref_count);
3884 spin_unlock_irqrestore(&ha->vport_slock, flags);
3885
3886 list_for_each_entry(fcport, &vp->vp_fcports, list)
3887 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3888
3889 spin_lock_irqsave(&ha->vport_slock, flags);
3890 atomic_dec(&vp->vref_count);
3891 }
3892 spin_unlock_irqrestore(&ha->vport_slock, flags);
3893
3894 if (!ha->flags.eeh_busy) {
3895 /* Make sure for ISP 82XX IO DMA is complete */
3896 if (IS_QLA82XX(ha)) {
3897 qla82xx_chip_reset_cleanup(vha);
3898 ql_log(ql_log_info, vha, 0x00b4,
3899 "Done chip reset cleanup.\n");
3900
3901 /* Done waiting for pending commands.
3902 * Reset the online flag.
3903 */
3904 vha->flags.online = 0;
3905 }
3906
3907 /* Requeue all commands in outstanding command list. */
3908 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3909 }
3910 }
3911
3912 /*
3913 * qla2x00_abort_isp
3914 * Resets ISP and aborts all outstanding commands.
3915 *
3916 * Input:
3917 * ha = adapter block pointer.
3918 *
3919 * Returns:
3920 * 0 = success
3921 */
3922 int
qla2x00_abort_isp(scsi_qla_host_t * vha)3923 qla2x00_abort_isp(scsi_qla_host_t *vha)
3924 {
3925 int rval;
3926 uint8_t status = 0;
3927 struct qla_hw_data *ha = vha->hw;
3928 struct scsi_qla_host *vp;
3929 struct req_que *req = ha->req_q_map[0];
3930 unsigned long flags;
3931
3932 if (vha->flags.online) {
3933 qla2x00_abort_isp_cleanup(vha);
3934
3935 if (unlikely(pci_channel_offline(ha->pdev) &&
3936 ha->flags.pci_channel_io_perm_failure)) {
3937 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3938 status = 0;
3939 return status;
3940 }
3941
3942 ha->isp_ops->get_flash_version(vha, req->ring);
3943
3944 ha->isp_ops->nvram_config(vha);
3945
3946 if (!qla2x00_restart_isp(vha)) {
3947 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3948
3949 if (!atomic_read(&vha->loop_down_timer)) {
3950 /*
3951 * Issue marker command only when we are going
3952 * to start the I/O .
3953 */
3954 vha->marker_needed = 1;
3955 }
3956
3957 vha->flags.online = 1;
3958
3959 ha->isp_ops->enable_intrs(ha);
3960
3961 ha->isp_abort_cnt = 0;
3962 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3963
3964 if (IS_QLA81XX(ha) || IS_QLA8031(ha))
3965 qla2x00_get_fw_version(vha);
3966 if (ha->fce) {
3967 ha->flags.fce_enabled = 1;
3968 memset(ha->fce, 0,
3969 fce_calc_size(ha->fce_bufs));
3970 rval = qla2x00_enable_fce_trace(vha,
3971 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3972 &ha->fce_bufs);
3973 if (rval) {
3974 ql_log(ql_log_warn, vha, 0x8033,
3975 "Unable to reinitialize FCE "
3976 "(%d).\n", rval);
3977 ha->flags.fce_enabled = 0;
3978 }
3979 }
3980
3981 if (ha->eft) {
3982 memset(ha->eft, 0, EFT_SIZE);
3983 rval = qla2x00_enable_eft_trace(vha,
3984 ha->eft_dma, EFT_NUM_BUFFERS);
3985 if (rval) {
3986 ql_log(ql_log_warn, vha, 0x8034,
3987 "Unable to reinitialize EFT "
3988 "(%d).\n", rval);
3989 }
3990 }
3991 } else { /* failed the ISP abort */
3992 vha->flags.online = 1;
3993 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3994 if (ha->isp_abort_cnt == 0) {
3995 ql_log(ql_log_fatal, vha, 0x8035,
3996 "ISP error recover failed - "
3997 "board disabled.\n");
3998 /*
3999 * The next call disables the board
4000 * completely.
4001 */
4002 ha->isp_ops->reset_adapter(vha);
4003 vha->flags.online = 0;
4004 clear_bit(ISP_ABORT_RETRY,
4005 &vha->dpc_flags);
4006 status = 0;
4007 } else { /* schedule another ISP abort */
4008 ha->isp_abort_cnt--;
4009 ql_dbg(ql_dbg_taskm, vha, 0x8020,
4010 "ISP abort - retry remaining %d.\n",
4011 ha->isp_abort_cnt);
4012 status = 1;
4013 }
4014 } else {
4015 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4016 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4017 "ISP error recovery - retrying (%d) "
4018 "more times.\n", ha->isp_abort_cnt);
4019 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4020 status = 1;
4021 }
4022 }
4023
4024 }
4025
4026 if (!status) {
4027 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4028
4029 spin_lock_irqsave(&ha->vport_slock, flags);
4030 list_for_each_entry(vp, &ha->vp_list, list) {
4031 if (vp->vp_idx) {
4032 atomic_inc(&vp->vref_count);
4033 spin_unlock_irqrestore(&ha->vport_slock, flags);
4034
4035 qla2x00_vp_abort_isp(vp);
4036
4037 spin_lock_irqsave(&ha->vport_slock, flags);
4038 atomic_dec(&vp->vref_count);
4039 }
4040 }
4041 spin_unlock_irqrestore(&ha->vport_slock, flags);
4042
4043 } else {
4044 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4045 __func__);
4046 }
4047
4048 return(status);
4049 }
4050
4051 /*
4052 * qla2x00_restart_isp
4053 * restarts the ISP after a reset
4054 *
4055 * Input:
4056 * ha = adapter block pointer.
4057 *
4058 * Returns:
4059 * 0 = success
4060 */
4061 static int
qla2x00_restart_isp(scsi_qla_host_t * vha)4062 qla2x00_restart_isp(scsi_qla_host_t *vha)
4063 {
4064 int status = 0;
4065 uint32_t wait_time;
4066 struct qla_hw_data *ha = vha->hw;
4067 struct req_que *req = ha->req_q_map[0];
4068 struct rsp_que *rsp = ha->rsp_q_map[0];
4069
4070 /* If firmware needs to be loaded */
4071 if (qla2x00_isp_firmware(vha)) {
4072 vha->flags.online = 0;
4073 status = ha->isp_ops->chip_diag(vha);
4074 if (!status)
4075 status = qla2x00_setup_chip(vha);
4076 }
4077
4078 if (!status && !(status = qla2x00_init_rings(vha))) {
4079 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4080 ha->flags.chip_reset_done = 1;
4081 /* Initialize the queues in use */
4082 qla25xx_init_queues(ha);
4083
4084 status = qla2x00_fw_ready(vha);
4085 if (!status) {
4086 ql_dbg(ql_dbg_taskm, vha, 0x8031,
4087 "Start configure loop status = %d.\n", status);
4088
4089 /* Issue a marker after FW becomes ready. */
4090 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4091
4092 vha->flags.online = 1;
4093 /* Wait at most MAX_TARGET RSCNs for a stable link. */
4094 wait_time = 256;
4095 do {
4096 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4097 qla2x00_configure_loop(vha);
4098 wait_time--;
4099 } while (!atomic_read(&vha->loop_down_timer) &&
4100 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4101 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4102 &vha->dpc_flags)));
4103 }
4104
4105 /* if no cable then assume it's good */
4106 if ((vha->device_flags & DFLG_NO_CABLE))
4107 status = 0;
4108
4109 ql_dbg(ql_dbg_taskm, vha, 0x8032,
4110 "Configure loop done, status = 0x%x.\n", status);
4111 }
4112 return (status);
4113 }
4114
4115 static int
qla25xx_init_queues(struct qla_hw_data * ha)4116 qla25xx_init_queues(struct qla_hw_data *ha)
4117 {
4118 struct rsp_que *rsp = NULL;
4119 struct req_que *req = NULL;
4120 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4121 int ret = -1;
4122 int i;
4123
4124 for (i = 1; i < ha->max_rsp_queues; i++) {
4125 rsp = ha->rsp_q_map[i];
4126 if (rsp) {
4127 rsp->options &= ~BIT_0;
4128 ret = qla25xx_init_rsp_que(base_vha, rsp);
4129 if (ret != QLA_SUCCESS)
4130 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4131 "%s Rsp que: %d init failed.\n",
4132 __func__, rsp->id);
4133 else
4134 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4135 "%s Rsp que: %d inited.\n",
4136 __func__, rsp->id);
4137 }
4138 }
4139 for (i = 1; i < ha->max_req_queues; i++) {
4140 req = ha->req_q_map[i];
4141 if (req) {
4142 /* Clear outstanding commands array. */
4143 req->options &= ~BIT_0;
4144 ret = qla25xx_init_req_que(base_vha, req);
4145 if (ret != QLA_SUCCESS)
4146 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4147 "%s Req que: %d init failed.\n",
4148 __func__, req->id);
4149 else
4150 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4151 "%s Req que: %d inited.\n",
4152 __func__, req->id);
4153 }
4154 }
4155 return ret;
4156 }
4157
4158 /*
4159 * qla2x00_reset_adapter
4160 * Reset adapter.
4161 *
4162 * Input:
4163 * ha = adapter block pointer.
4164 */
4165 void
qla2x00_reset_adapter(scsi_qla_host_t * vha)4166 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4167 {
4168 unsigned long flags = 0;
4169 struct qla_hw_data *ha = vha->hw;
4170 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4171
4172 vha->flags.online = 0;
4173 ha->isp_ops->disable_intrs(ha);
4174
4175 spin_lock_irqsave(&ha->hardware_lock, flags);
4176 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
4177 RD_REG_WORD(®->hccr); /* PCI Posting. */
4178 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC);
4179 RD_REG_WORD(®->hccr); /* PCI Posting. */
4180 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4181 }
4182
4183 void
qla24xx_reset_adapter(scsi_qla_host_t * vha)4184 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4185 {
4186 unsigned long flags = 0;
4187 struct qla_hw_data *ha = vha->hw;
4188 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4189
4190 if (IS_QLA82XX(ha))
4191 return;
4192
4193 vha->flags.online = 0;
4194 ha->isp_ops->disable_intrs(ha);
4195
4196 spin_lock_irqsave(&ha->hardware_lock, flags);
4197 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET);
4198 RD_REG_DWORD(®->hccr);
4199 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE);
4200 RD_REG_DWORD(®->hccr);
4201 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4202
4203 if (IS_NOPOLLING_TYPE(ha))
4204 ha->isp_ops->enable_intrs(ha);
4205 }
4206
4207 /* On sparc systems, obtain port and node WWN from firmware
4208 * properties.
4209 */
qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t * vha,struct nvram_24xx * nv)4210 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4211 struct nvram_24xx *nv)
4212 {
4213 #ifdef CONFIG_SPARC
4214 struct qla_hw_data *ha = vha->hw;
4215 struct pci_dev *pdev = ha->pdev;
4216 struct device_node *dp = pci_device_to_OF_node(pdev);
4217 const u8 *val;
4218 int len;
4219
4220 val = of_get_property(dp, "port-wwn", &len);
4221 if (val && len >= WWN_SIZE)
4222 memcpy(nv->port_name, val, WWN_SIZE);
4223
4224 val = of_get_property(dp, "node-wwn", &len);
4225 if (val && len >= WWN_SIZE)
4226 memcpy(nv->node_name, val, WWN_SIZE);
4227 #endif
4228 }
4229
4230 int
qla24xx_nvram_config(scsi_qla_host_t * vha)4231 qla24xx_nvram_config(scsi_qla_host_t *vha)
4232 {
4233 int rval;
4234 struct init_cb_24xx *icb;
4235 struct nvram_24xx *nv;
4236 uint32_t *dptr;
4237 uint8_t *dptr1, *dptr2;
4238 uint32_t chksum;
4239 uint16_t cnt;
4240 struct qla_hw_data *ha = vha->hw;
4241
4242 rval = QLA_SUCCESS;
4243 icb = (struct init_cb_24xx *)ha->init_cb;
4244 nv = ha->nvram;
4245
4246 /* Determine NVRAM starting address. */
4247 if (ha->flags.port0) {
4248 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4249 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4250 } else {
4251 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4252 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4253 }
4254 ha->nvram_size = sizeof(struct nvram_24xx);
4255 ha->vpd_size = FA_NVRAM_VPD_SIZE;
4256 if (IS_QLA82XX(ha))
4257 ha->vpd_size = FA_VPD_SIZE_82XX;
4258
4259 /* Get VPD data into cache */
4260 ha->vpd = ha->nvram + VPD_OFFSET;
4261 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4262 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4263
4264 /* Get NVRAM data into cache and calculate checksum. */
4265 dptr = (uint32_t *)nv;
4266 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4267 ha->nvram_size);
4268 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4269 chksum += le32_to_cpu(*dptr++);
4270
4271 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4272 "Contents of NVRAM\n");
4273 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4274 (uint8_t *)nv, ha->nvram_size);
4275
4276 /* Bad NVRAM data, set defaults parameters. */
4277 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4278 || nv->id[3] != ' ' ||
4279 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4280 /* Reset NVRAM data. */
4281 ql_log(ql_log_warn, vha, 0x006b,
4282 "Inconisistent NVRAM detected: checksum=0x%x id=%c "
4283 "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4284 ql_log(ql_log_warn, vha, 0x006c,
4285 "Falling back to functioning (yet invalid -- WWPN) "
4286 "defaults.\n");
4287
4288 /*
4289 * Set default initialization control block.
4290 */
4291 memset(nv, 0, ha->nvram_size);
4292 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4293 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4294 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4295 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4296 nv->exchange_count = __constant_cpu_to_le16(0);
4297 nv->hard_address = __constant_cpu_to_le16(124);
4298 nv->port_name[0] = 0x21;
4299 nv->port_name[1] = 0x00 + ha->port_no;
4300 nv->port_name[2] = 0x00;
4301 nv->port_name[3] = 0xe0;
4302 nv->port_name[4] = 0x8b;
4303 nv->port_name[5] = 0x1c;
4304 nv->port_name[6] = 0x55;
4305 nv->port_name[7] = 0x86;
4306 nv->node_name[0] = 0x20;
4307 nv->node_name[1] = 0x00;
4308 nv->node_name[2] = 0x00;
4309 nv->node_name[3] = 0xe0;
4310 nv->node_name[4] = 0x8b;
4311 nv->node_name[5] = 0x1c;
4312 nv->node_name[6] = 0x55;
4313 nv->node_name[7] = 0x86;
4314 qla24xx_nvram_wwn_from_ofw(vha, nv);
4315 nv->login_retry_count = __constant_cpu_to_le16(8);
4316 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4317 nv->login_timeout = __constant_cpu_to_le16(0);
4318 nv->firmware_options_1 =
4319 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4320 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4321 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4322 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4323 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4324 nv->efi_parameters = __constant_cpu_to_le32(0);
4325 nv->reset_delay = 5;
4326 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4327 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4328 nv->link_down_timeout = __constant_cpu_to_le16(30);
4329
4330 rval = 1;
4331 }
4332
4333 /* Reset Initialization control block */
4334 memset(icb, 0, ha->init_cb_size);
4335
4336 /* Copy 1st segment. */
4337 dptr1 = (uint8_t *)icb;
4338 dptr2 = (uint8_t *)&nv->version;
4339 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4340 while (cnt--)
4341 *dptr1++ = *dptr2++;
4342
4343 icb->login_retry_count = nv->login_retry_count;
4344 icb->link_down_on_nos = nv->link_down_on_nos;
4345
4346 /* Copy 2nd segment. */
4347 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4348 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4349 cnt = (uint8_t *)&icb->reserved_3 -
4350 (uint8_t *)&icb->interrupt_delay_timer;
4351 while (cnt--)
4352 *dptr1++ = *dptr2++;
4353
4354 /*
4355 * Setup driver NVRAM options.
4356 */
4357 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4358 "QLA2462");
4359
4360 /* Use alternate WWN? */
4361 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4362 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4363 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4364 }
4365
4366 /* Prepare nodename */
4367 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4368 /*
4369 * Firmware will apply the following mask if the nodename was
4370 * not provided.
4371 */
4372 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4373 icb->node_name[0] &= 0xF0;
4374 }
4375
4376 /* Set host adapter parameters. */
4377 ha->flags.disable_risc_code_load = 0;
4378 ha->flags.enable_lip_reset = 0;
4379 ha->flags.enable_lip_full_login =
4380 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4381 ha->flags.enable_target_reset =
4382 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4383 ha->flags.enable_led_scheme = 0;
4384 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4385
4386 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4387 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4388
4389 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4390 sizeof(ha->fw_seriallink_options24));
4391
4392 /* save HBA serial number */
4393 ha->serial0 = icb->port_name[5];
4394 ha->serial1 = icb->port_name[6];
4395 ha->serial2 = icb->port_name[7];
4396 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4397 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4398
4399 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4400
4401 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4402
4403 /* Set minimum login_timeout to 4 seconds. */
4404 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4405 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4406 if (le16_to_cpu(nv->login_timeout) < 4)
4407 nv->login_timeout = __constant_cpu_to_le16(4);
4408 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4409 icb->login_timeout = nv->login_timeout;
4410
4411 /* Set minimum RATOV to 100 tenths of a second. */
4412 ha->r_a_tov = 100;
4413
4414 ha->loop_reset_delay = nv->reset_delay;
4415
4416 /* Link Down Timeout = 0:
4417 *
4418 * When Port Down timer expires we will start returning
4419 * I/O's to OS with "DID_NO_CONNECT".
4420 *
4421 * Link Down Timeout != 0:
4422 *
4423 * The driver waits for the link to come up after link down
4424 * before returning I/Os to OS with "DID_NO_CONNECT".
4425 */
4426 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4427 ha->loop_down_abort_time =
4428 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4429 } else {
4430 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4431 ha->loop_down_abort_time =
4432 (LOOP_DOWN_TIME - ha->link_down_timeout);
4433 }
4434
4435 /* Need enough time to try and get the port back. */
4436 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4437 if (qlport_down_retry)
4438 ha->port_down_retry_count = qlport_down_retry;
4439
4440 /* Set login_retry_count */
4441 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4442 if (ha->port_down_retry_count ==
4443 le16_to_cpu(nv->port_down_retry_count) &&
4444 ha->port_down_retry_count > 3)
4445 ha->login_retry_count = ha->port_down_retry_count;
4446 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4447 ha->login_retry_count = ha->port_down_retry_count;
4448 if (ql2xloginretrycount)
4449 ha->login_retry_count = ql2xloginretrycount;
4450
4451 /* Enable ZIO. */
4452 if (!vha->flags.init_done) {
4453 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4454 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4455 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4456 le16_to_cpu(icb->interrupt_delay_timer): 2;
4457 }
4458 icb->firmware_options_2 &= __constant_cpu_to_le32(
4459 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4460 vha->flags.process_response_queue = 0;
4461 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4462 ha->zio_mode = QLA_ZIO_MODE_6;
4463
4464 ql_log(ql_log_info, vha, 0x006f,
4465 "ZIO mode %d enabled; timer delay (%d us).\n",
4466 ha->zio_mode, ha->zio_timer * 100);
4467
4468 icb->firmware_options_2 |= cpu_to_le32(
4469 (uint32_t)ha->zio_mode);
4470 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4471 vha->flags.process_response_queue = 1;
4472 }
4473
4474 if (rval) {
4475 ql_log(ql_log_warn, vha, 0x0070,
4476 "NVRAM configuration failed.\n");
4477 }
4478 return (rval);
4479 }
4480
4481 static int
qla24xx_load_risc_flash(scsi_qla_host_t * vha,uint32_t * srisc_addr,uint32_t faddr)4482 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4483 uint32_t faddr)
4484 {
4485 int rval = QLA_SUCCESS;
4486 int segments, fragment;
4487 uint32_t *dcode, dlen;
4488 uint32_t risc_addr;
4489 uint32_t risc_size;
4490 uint32_t i;
4491 struct qla_hw_data *ha = vha->hw;
4492 struct req_que *req = ha->req_q_map[0];
4493
4494 ql_dbg(ql_dbg_init, vha, 0x008b,
4495 "FW: Loading firmware from flash (%x).\n", faddr);
4496
4497 rval = QLA_SUCCESS;
4498
4499 segments = FA_RISC_CODE_SEGMENTS;
4500 dcode = (uint32_t *)req->ring;
4501 *srisc_addr = 0;
4502
4503 /* Validate firmware image by checking version. */
4504 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4505 for (i = 0; i < 4; i++)
4506 dcode[i] = be32_to_cpu(dcode[i]);
4507 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4508 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4509 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4510 dcode[3] == 0)) {
4511 ql_log(ql_log_fatal, vha, 0x008c,
4512 "Unable to verify the integrity of flash firmware "
4513 "image.\n");
4514 ql_log(ql_log_fatal, vha, 0x008d,
4515 "Firmware data: %08x %08x %08x %08x.\n",
4516 dcode[0], dcode[1], dcode[2], dcode[3]);
4517
4518 return QLA_FUNCTION_FAILED;
4519 }
4520
4521 while (segments && rval == QLA_SUCCESS) {
4522 /* Read segment's load information. */
4523 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4524
4525 risc_addr = be32_to_cpu(dcode[2]);
4526 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4527 risc_size = be32_to_cpu(dcode[3]);
4528
4529 fragment = 0;
4530 while (risc_size > 0 && rval == QLA_SUCCESS) {
4531 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4532 if (dlen > risc_size)
4533 dlen = risc_size;
4534
4535 ql_dbg(ql_dbg_init, vha, 0x008e,
4536 "Loading risc segment@ risc addr %x "
4537 "number of dwords 0x%x offset 0x%x.\n",
4538 risc_addr, dlen, faddr);
4539
4540 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4541 for (i = 0; i < dlen; i++)
4542 dcode[i] = swab32(dcode[i]);
4543
4544 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4545 dlen);
4546 if (rval) {
4547 ql_log(ql_log_fatal, vha, 0x008f,
4548 "Failed to load segment %d of firmware.\n",
4549 fragment);
4550 break;
4551 }
4552
4553 faddr += dlen;
4554 risc_addr += dlen;
4555 risc_size -= dlen;
4556 fragment++;
4557 }
4558
4559 /* Next segment. */
4560 segments--;
4561 }
4562
4563 return rval;
4564 }
4565
4566 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4567
4568 int
qla2x00_load_risc(scsi_qla_host_t * vha,uint32_t * srisc_addr)4569 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4570 {
4571 int rval;
4572 int i, fragment;
4573 uint16_t *wcode, *fwcode;
4574 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4575 struct fw_blob *blob;
4576 struct qla_hw_data *ha = vha->hw;
4577 struct req_que *req = ha->req_q_map[0];
4578
4579 /* Load firmware blob. */
4580 blob = qla2x00_request_firmware(vha);
4581 if (!blob) {
4582 ql_log(ql_log_info, vha, 0x0083,
4583 "Fimware image unavailable.\n");
4584 ql_log(ql_log_info, vha, 0x0084,
4585 "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
4586 return QLA_FUNCTION_FAILED;
4587 }
4588
4589 rval = QLA_SUCCESS;
4590
4591 wcode = (uint16_t *)req->ring;
4592 *srisc_addr = 0;
4593 fwcode = (uint16_t *)blob->fw->data;
4594 fwclen = 0;
4595
4596 /* Validate firmware image by checking version. */
4597 if (blob->fw->size < 8 * sizeof(uint16_t)) {
4598 ql_log(ql_log_fatal, vha, 0x0085,
4599 "Unable to verify integrity of firmware image (%Zd).\n",
4600 blob->fw->size);
4601 goto fail_fw_integrity;
4602 }
4603 for (i = 0; i < 4; i++)
4604 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4605 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4606 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4607 wcode[2] == 0 && wcode[3] == 0)) {
4608 ql_log(ql_log_fatal, vha, 0x0086,
4609 "Unable to verify integrity of firmware image.\n");
4610 ql_log(ql_log_fatal, vha, 0x0087,
4611 "Firmware data: %04x %04x %04x %04x.\n",
4612 wcode[0], wcode[1], wcode[2], wcode[3]);
4613 goto fail_fw_integrity;
4614 }
4615
4616 seg = blob->segs;
4617 while (*seg && rval == QLA_SUCCESS) {
4618 risc_addr = *seg;
4619 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4620 risc_size = be16_to_cpu(fwcode[3]);
4621
4622 /* Validate firmware image size. */
4623 fwclen += risc_size * sizeof(uint16_t);
4624 if (blob->fw->size < fwclen) {
4625 ql_log(ql_log_fatal, vha, 0x0088,
4626 "Unable to verify integrity of firmware image "
4627 "(%Zd).\n", blob->fw->size);
4628 goto fail_fw_integrity;
4629 }
4630
4631 fragment = 0;
4632 while (risc_size > 0 && rval == QLA_SUCCESS) {
4633 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4634 if (wlen > risc_size)
4635 wlen = risc_size;
4636 ql_dbg(ql_dbg_init, vha, 0x0089,
4637 "Loading risc segment@ risc addr %x number of "
4638 "words 0x%x.\n", risc_addr, wlen);
4639
4640 for (i = 0; i < wlen; i++)
4641 wcode[i] = swab16(fwcode[i]);
4642
4643 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4644 wlen);
4645 if (rval) {
4646 ql_log(ql_log_fatal, vha, 0x008a,
4647 "Failed to load segment %d of firmware.\n",
4648 fragment);
4649 break;
4650 }
4651
4652 fwcode += wlen;
4653 risc_addr += wlen;
4654 risc_size -= wlen;
4655 fragment++;
4656 }
4657
4658 /* Next segment. */
4659 seg++;
4660 }
4661 return rval;
4662
4663 fail_fw_integrity:
4664 return QLA_FUNCTION_FAILED;
4665 }
4666
4667 static int
qla24xx_load_risc_blob(scsi_qla_host_t * vha,uint32_t * srisc_addr)4668 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4669 {
4670 int rval;
4671 int segments, fragment;
4672 uint32_t *dcode, dlen;
4673 uint32_t risc_addr;
4674 uint32_t risc_size;
4675 uint32_t i;
4676 struct fw_blob *blob;
4677 uint32_t *fwcode, fwclen;
4678 struct qla_hw_data *ha = vha->hw;
4679 struct req_que *req = ha->req_q_map[0];
4680
4681 /* Load firmware blob. */
4682 blob = qla2x00_request_firmware(vha);
4683 if (!blob) {
4684 ql_log(ql_log_warn, vha, 0x0090,
4685 "Fimware image unavailable.\n");
4686 ql_log(ql_log_warn, vha, 0x0091,
4687 "Firmware images can be retrieved from: "
4688 QLA_FW_URL ".\n");
4689
4690 return QLA_FUNCTION_FAILED;
4691 }
4692
4693 ql_dbg(ql_dbg_init, vha, 0x0092,
4694 "FW: Loading via request-firmware.\n");
4695
4696 rval = QLA_SUCCESS;
4697
4698 segments = FA_RISC_CODE_SEGMENTS;
4699 dcode = (uint32_t *)req->ring;
4700 *srisc_addr = 0;
4701 fwcode = (uint32_t *)blob->fw->data;
4702 fwclen = 0;
4703
4704 /* Validate firmware image by checking version. */
4705 if (blob->fw->size < 8 * sizeof(uint32_t)) {
4706 ql_log(ql_log_fatal, vha, 0x0093,
4707 "Unable to verify integrity of firmware image (%Zd).\n",
4708 blob->fw->size);
4709 goto fail_fw_integrity;
4710 }
4711 for (i = 0; i < 4; i++)
4712 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4713 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4714 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4715 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4716 dcode[3] == 0)) {
4717 ql_log(ql_log_fatal, vha, 0x0094,
4718 "Unable to verify integrity of firmware image (%Zd).\n",
4719 blob->fw->size);
4720 ql_log(ql_log_fatal, vha, 0x0095,
4721 "Firmware data: %08x %08x %08x %08x.\n",
4722 dcode[0], dcode[1], dcode[2], dcode[3]);
4723 goto fail_fw_integrity;
4724 }
4725
4726 while (segments && rval == QLA_SUCCESS) {
4727 risc_addr = be32_to_cpu(fwcode[2]);
4728 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4729 risc_size = be32_to_cpu(fwcode[3]);
4730
4731 /* Validate firmware image size. */
4732 fwclen += risc_size * sizeof(uint32_t);
4733 if (blob->fw->size < fwclen) {
4734 ql_log(ql_log_fatal, vha, 0x0096,
4735 "Unable to verify integrity of firmware image "
4736 "(%Zd).\n", blob->fw->size);
4737
4738 goto fail_fw_integrity;
4739 }
4740
4741 fragment = 0;
4742 while (risc_size > 0 && rval == QLA_SUCCESS) {
4743 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4744 if (dlen > risc_size)
4745 dlen = risc_size;
4746
4747 ql_dbg(ql_dbg_init, vha, 0x0097,
4748 "Loading risc segment@ risc addr %x "
4749 "number of dwords 0x%x.\n", risc_addr, dlen);
4750
4751 for (i = 0; i < dlen; i++)
4752 dcode[i] = swab32(fwcode[i]);
4753
4754 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4755 dlen);
4756 if (rval) {
4757 ql_log(ql_log_fatal, vha, 0x0098,
4758 "Failed to load segment %d of firmware.\n",
4759 fragment);
4760 break;
4761 }
4762
4763 fwcode += dlen;
4764 risc_addr += dlen;
4765 risc_size -= dlen;
4766 fragment++;
4767 }
4768
4769 /* Next segment. */
4770 segments--;
4771 }
4772 return rval;
4773
4774 fail_fw_integrity:
4775 return QLA_FUNCTION_FAILED;
4776 }
4777
4778 int
qla24xx_load_risc(scsi_qla_host_t * vha,uint32_t * srisc_addr)4779 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4780 {
4781 int rval;
4782
4783 if (ql2xfwloadbin == 1)
4784 return qla81xx_load_risc(vha, srisc_addr);
4785
4786 /*
4787 * FW Load priority:
4788 * 1) Firmware via request-firmware interface (.bin file).
4789 * 2) Firmware residing in flash.
4790 */
4791 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4792 if (rval == QLA_SUCCESS)
4793 return rval;
4794
4795 return qla24xx_load_risc_flash(vha, srisc_addr,
4796 vha->hw->flt_region_fw);
4797 }
4798
4799 int
qla81xx_load_risc(scsi_qla_host_t * vha,uint32_t * srisc_addr)4800 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4801 {
4802 int rval;
4803 struct qla_hw_data *ha = vha->hw;
4804
4805 if (ql2xfwloadbin == 2)
4806 goto try_blob_fw;
4807
4808 /*
4809 * FW Load priority:
4810 * 1) Firmware residing in flash.
4811 * 2) Firmware via request-firmware interface (.bin file).
4812 * 3) Golden-Firmware residing in flash -- limited operation.
4813 */
4814 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4815 if (rval == QLA_SUCCESS)
4816 return rval;
4817
4818 try_blob_fw:
4819 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4820 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4821 return rval;
4822
4823 ql_log(ql_log_info, vha, 0x0099,
4824 "Attempting to fallback to golden firmware.\n");
4825 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4826 if (rval != QLA_SUCCESS)
4827 return rval;
4828
4829 ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
4830 ha->flags.running_gold_fw = 1;
4831 return rval;
4832 }
4833
4834 void
qla2x00_try_to_stop_firmware(scsi_qla_host_t * vha)4835 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4836 {
4837 int ret, retries;
4838 struct qla_hw_data *ha = vha->hw;
4839
4840 if (ha->flags.pci_channel_io_perm_failure)
4841 return;
4842 if (!IS_FWI2_CAPABLE(ha))
4843 return;
4844 if (!ha->fw_major_version)
4845 return;
4846
4847 ret = qla2x00_stop_firmware(vha);
4848 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4849 ret != QLA_INVALID_COMMAND && retries ; retries--) {
4850 ha->isp_ops->reset_chip(vha);
4851 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4852 continue;
4853 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4854 continue;
4855 ql_log(ql_log_info, vha, 0x8015,
4856 "Attempting retry of stop-firmware command.\n");
4857 ret = qla2x00_stop_firmware(vha);
4858 }
4859 }
4860
4861 int
qla24xx_configure_vhba(scsi_qla_host_t * vha)4862 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4863 {
4864 int rval = QLA_SUCCESS;
4865 int rval2;
4866 uint16_t mb[MAILBOX_REGISTER_COUNT];
4867 struct qla_hw_data *ha = vha->hw;
4868 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4869 struct req_que *req;
4870 struct rsp_que *rsp;
4871
4872 if (!vha->vp_idx)
4873 return -EINVAL;
4874
4875 rval = qla2x00_fw_ready(base_vha);
4876 if (ha->flags.cpu_affinity_enabled)
4877 req = ha->req_q_map[0];
4878 else
4879 req = vha->req;
4880 rsp = req->rsp;
4881
4882 if (rval == QLA_SUCCESS) {
4883 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4884 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4885 }
4886
4887 vha->flags.management_server_logged_in = 0;
4888
4889 /* Login to SNS first */
4890 rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
4891 BIT_1);
4892 if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
4893 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
4894 ql_dbg(ql_dbg_init, vha, 0x0120,
4895 "Failed SNS login: loop_id=%x, rval2=%d\n",
4896 NPH_SNS, rval2);
4897 else
4898 ql_dbg(ql_dbg_init, vha, 0x0103,
4899 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4900 "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
4901 NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
4902 return (QLA_FUNCTION_FAILED);
4903 }
4904
4905 atomic_set(&vha->loop_down_timer, 0);
4906 atomic_set(&vha->loop_state, LOOP_UP);
4907 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4908 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4909 rval = qla2x00_loop_resync(base_vha);
4910
4911 return rval;
4912 }
4913
4914 /* 84XX Support **************************************************************/
4915
4916 static LIST_HEAD(qla_cs84xx_list);
4917 static DEFINE_MUTEX(qla_cs84xx_mutex);
4918
4919 static struct qla_chip_state_84xx *
qla84xx_get_chip(struct scsi_qla_host * vha)4920 qla84xx_get_chip(struct scsi_qla_host *vha)
4921 {
4922 struct qla_chip_state_84xx *cs84xx;
4923 struct qla_hw_data *ha = vha->hw;
4924
4925 mutex_lock(&qla_cs84xx_mutex);
4926
4927 /* Find any shared 84xx chip. */
4928 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4929 if (cs84xx->bus == ha->pdev->bus) {
4930 kref_get(&cs84xx->kref);
4931 goto done;
4932 }
4933 }
4934
4935 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4936 if (!cs84xx)
4937 goto done;
4938
4939 kref_init(&cs84xx->kref);
4940 spin_lock_init(&cs84xx->access_lock);
4941 mutex_init(&cs84xx->fw_update_mutex);
4942 cs84xx->bus = ha->pdev->bus;
4943
4944 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4945 done:
4946 mutex_unlock(&qla_cs84xx_mutex);
4947 return cs84xx;
4948 }
4949
4950 static void
__qla84xx_chip_release(struct kref * kref)4951 __qla84xx_chip_release(struct kref *kref)
4952 {
4953 struct qla_chip_state_84xx *cs84xx =
4954 container_of(kref, struct qla_chip_state_84xx, kref);
4955
4956 mutex_lock(&qla_cs84xx_mutex);
4957 list_del(&cs84xx->list);
4958 mutex_unlock(&qla_cs84xx_mutex);
4959 kfree(cs84xx);
4960 }
4961
4962 void
qla84xx_put_chip(struct scsi_qla_host * vha)4963 qla84xx_put_chip(struct scsi_qla_host *vha)
4964 {
4965 struct qla_hw_data *ha = vha->hw;
4966 if (ha->cs84xx)
4967 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4968 }
4969
4970 static int
qla84xx_init_chip(scsi_qla_host_t * vha)4971 qla84xx_init_chip(scsi_qla_host_t *vha)
4972 {
4973 int rval;
4974 uint16_t status[2];
4975 struct qla_hw_data *ha = vha->hw;
4976
4977 mutex_lock(&ha->cs84xx->fw_update_mutex);
4978
4979 rval = qla84xx_verify_chip(vha, status);
4980
4981 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4982
4983 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4984 QLA_SUCCESS;
4985 }
4986
4987 /* 81XX Support **************************************************************/
4988
4989 int
qla81xx_nvram_config(scsi_qla_host_t * vha)4990 qla81xx_nvram_config(scsi_qla_host_t *vha)
4991 {
4992 int rval;
4993 struct init_cb_81xx *icb;
4994 struct nvram_81xx *nv;
4995 uint32_t *dptr;
4996 uint8_t *dptr1, *dptr2;
4997 uint32_t chksum;
4998 uint16_t cnt;
4999 struct qla_hw_data *ha = vha->hw;
5000
5001 rval = QLA_SUCCESS;
5002 icb = (struct init_cb_81xx *)ha->init_cb;
5003 nv = ha->nvram;
5004
5005 /* Determine NVRAM starting address. */
5006 ha->nvram_size = sizeof(struct nvram_81xx);
5007 ha->vpd_size = FA_NVRAM_VPD_SIZE;
5008
5009 /* Get VPD data into cache */
5010 ha->vpd = ha->nvram + VPD_OFFSET;
5011 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5012 ha->vpd_size);
5013
5014 /* Get NVRAM data into cache and calculate checksum. */
5015 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5016 ha->nvram_size);
5017 dptr = (uint32_t *)nv;
5018 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5019 chksum += le32_to_cpu(*dptr++);
5020
5021 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5022 "Contents of NVRAM:\n");
5023 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5024 (uint8_t *)nv, ha->nvram_size);
5025
5026 /* Bad NVRAM data, set defaults parameters. */
5027 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5028 || nv->id[3] != ' ' ||
5029 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5030 /* Reset NVRAM data. */
5031 ql_log(ql_log_info, vha, 0x0073,
5032 "Inconisistent NVRAM detected: checksum=0x%x id=%c "
5033 "version=0x%x.\n", chksum, nv->id[0],
5034 le16_to_cpu(nv->nvram_version));
5035 ql_log(ql_log_info, vha, 0x0074,
5036 "Falling back to functioning (yet invalid -- WWPN) "
5037 "defaults.\n");
5038
5039 /*
5040 * Set default initialization control block.
5041 */
5042 memset(nv, 0, ha->nvram_size);
5043 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5044 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5045 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5046 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5047 nv->exchange_count = __constant_cpu_to_le16(0);
5048 nv->port_name[0] = 0x21;
5049 nv->port_name[1] = 0x00 + ha->port_no;
5050 nv->port_name[2] = 0x00;
5051 nv->port_name[3] = 0xe0;
5052 nv->port_name[4] = 0x8b;
5053 nv->port_name[5] = 0x1c;
5054 nv->port_name[6] = 0x55;
5055 nv->port_name[7] = 0x86;
5056 nv->node_name[0] = 0x20;
5057 nv->node_name[1] = 0x00;
5058 nv->node_name[2] = 0x00;
5059 nv->node_name[3] = 0xe0;
5060 nv->node_name[4] = 0x8b;
5061 nv->node_name[5] = 0x1c;
5062 nv->node_name[6] = 0x55;
5063 nv->node_name[7] = 0x86;
5064 nv->login_retry_count = __constant_cpu_to_le16(8);
5065 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5066 nv->login_timeout = __constant_cpu_to_le16(0);
5067 nv->firmware_options_1 =
5068 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5069 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5070 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5071 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5072 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5073 nv->efi_parameters = __constant_cpu_to_le32(0);
5074 nv->reset_delay = 5;
5075 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5076 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5077 nv->link_down_timeout = __constant_cpu_to_le16(180);
5078 nv->enode_mac[0] = 0x00;
5079 nv->enode_mac[1] = 0xC0;
5080 nv->enode_mac[2] = 0xDD;
5081 nv->enode_mac[3] = 0x04;
5082 nv->enode_mac[4] = 0x05;
5083 nv->enode_mac[5] = 0x06 + ha->port_no;
5084
5085 rval = 1;
5086 }
5087
5088 /* Reset Initialization control block */
5089 memset(icb, 0, ha->init_cb_size);
5090
5091 /* Copy 1st segment. */
5092 dptr1 = (uint8_t *)icb;
5093 dptr2 = (uint8_t *)&nv->version;
5094 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5095 while (cnt--)
5096 *dptr1++ = *dptr2++;
5097
5098 icb->login_retry_count = nv->login_retry_count;
5099
5100 /* Copy 2nd segment. */
5101 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5102 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5103 cnt = (uint8_t *)&icb->reserved_5 -
5104 (uint8_t *)&icb->interrupt_delay_timer;
5105 while (cnt--)
5106 *dptr1++ = *dptr2++;
5107
5108 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5109 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5110 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5111 icb->enode_mac[0] = 0x00;
5112 icb->enode_mac[1] = 0xC0;
5113 icb->enode_mac[2] = 0xDD;
5114 icb->enode_mac[3] = 0x04;
5115 icb->enode_mac[4] = 0x05;
5116 icb->enode_mac[5] = 0x06 + ha->port_no;
5117 }
5118
5119 /* Use extended-initialization control block. */
5120 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5121
5122 /*
5123 * Setup driver NVRAM options.
5124 */
5125 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5126 "QLE8XXX");
5127
5128 /* Use alternate WWN? */
5129 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5130 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5131 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5132 }
5133
5134 /* Prepare nodename */
5135 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5136 /*
5137 * Firmware will apply the following mask if the nodename was
5138 * not provided.
5139 */
5140 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5141 icb->node_name[0] &= 0xF0;
5142 }
5143
5144 /* Set host adapter parameters. */
5145 ha->flags.disable_risc_code_load = 0;
5146 ha->flags.enable_lip_reset = 0;
5147 ha->flags.enable_lip_full_login =
5148 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5149 ha->flags.enable_target_reset =
5150 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5151 ha->flags.enable_led_scheme = 0;
5152 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5153
5154 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5155 (BIT_6 | BIT_5 | BIT_4)) >> 4;
5156
5157 /* save HBA serial number */
5158 ha->serial0 = icb->port_name[5];
5159 ha->serial1 = icb->port_name[6];
5160 ha->serial2 = icb->port_name[7];
5161 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5162 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5163
5164 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5165
5166 ha->retry_count = le16_to_cpu(nv->login_retry_count);
5167
5168 /* Set minimum login_timeout to 4 seconds. */
5169 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5170 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5171 if (le16_to_cpu(nv->login_timeout) < 4)
5172 nv->login_timeout = __constant_cpu_to_le16(4);
5173 ha->login_timeout = le16_to_cpu(nv->login_timeout);
5174 icb->login_timeout = nv->login_timeout;
5175
5176 /* Set minimum RATOV to 100 tenths of a second. */
5177 ha->r_a_tov = 100;
5178
5179 ha->loop_reset_delay = nv->reset_delay;
5180
5181 /* Link Down Timeout = 0:
5182 *
5183 * When Port Down timer expires we will start returning
5184 * I/O's to OS with "DID_NO_CONNECT".
5185 *
5186 * Link Down Timeout != 0:
5187 *
5188 * The driver waits for the link to come up after link down
5189 * before returning I/Os to OS with "DID_NO_CONNECT".
5190 */
5191 if (le16_to_cpu(nv->link_down_timeout) == 0) {
5192 ha->loop_down_abort_time =
5193 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5194 } else {
5195 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5196 ha->loop_down_abort_time =
5197 (LOOP_DOWN_TIME - ha->link_down_timeout);
5198 }
5199
5200 /* Need enough time to try and get the port back. */
5201 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5202 if (qlport_down_retry)
5203 ha->port_down_retry_count = qlport_down_retry;
5204
5205 /* Set login_retry_count */
5206 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
5207 if (ha->port_down_retry_count ==
5208 le16_to_cpu(nv->port_down_retry_count) &&
5209 ha->port_down_retry_count > 3)
5210 ha->login_retry_count = ha->port_down_retry_count;
5211 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5212 ha->login_retry_count = ha->port_down_retry_count;
5213 if (ql2xloginretrycount)
5214 ha->login_retry_count = ql2xloginretrycount;
5215
5216 /* if not running MSI-X we need handshaking on interrupts */
5217 if (!vha->hw->flags.msix_enabled && IS_QLA83XX(ha))
5218 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22);
5219
5220 /* Enable ZIO. */
5221 if (!vha->flags.init_done) {
5222 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5223 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5224 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5225 le16_to_cpu(icb->interrupt_delay_timer): 2;
5226 }
5227 icb->firmware_options_2 &= __constant_cpu_to_le32(
5228 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5229 vha->flags.process_response_queue = 0;
5230 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5231 ha->zio_mode = QLA_ZIO_MODE_6;
5232
5233 ql_log(ql_log_info, vha, 0x0075,
5234 "ZIO mode %d enabled; timer delay (%d us).\n",
5235 ha->zio_mode,
5236 ha->zio_timer * 100);
5237
5238 icb->firmware_options_2 |= cpu_to_le32(
5239 (uint32_t)ha->zio_mode);
5240 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5241 vha->flags.process_response_queue = 1;
5242 }
5243
5244 if (rval) {
5245 ql_log(ql_log_warn, vha, 0x0076,
5246 "NVRAM configuration failed.\n");
5247 }
5248 return (rval);
5249 }
5250
5251 int
qla82xx_restart_isp(scsi_qla_host_t * vha)5252 qla82xx_restart_isp(scsi_qla_host_t *vha)
5253 {
5254 int status, rval;
5255 uint32_t wait_time;
5256 struct qla_hw_data *ha = vha->hw;
5257 struct req_que *req = ha->req_q_map[0];
5258 struct rsp_que *rsp = ha->rsp_q_map[0];
5259 struct scsi_qla_host *vp;
5260 unsigned long flags;
5261
5262 status = qla2x00_init_rings(vha);
5263 if (!status) {
5264 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5265 ha->flags.chip_reset_done = 1;
5266
5267 status = qla2x00_fw_ready(vha);
5268 if (!status) {
5269 ql_log(ql_log_info, vha, 0x803c,
5270 "Start configure loop, status =%d.\n", status);
5271
5272 /* Issue a marker after FW becomes ready. */
5273 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5274
5275 vha->flags.online = 1;
5276 /* Wait at most MAX_TARGET RSCNs for a stable link. */
5277 wait_time = 256;
5278 do {
5279 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5280 qla2x00_configure_loop(vha);
5281 wait_time--;
5282 } while (!atomic_read(&vha->loop_down_timer) &&
5283 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5284 wait_time &&
5285 (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5286 }
5287
5288 /* if no cable then assume it's good */
5289 if ((vha->device_flags & DFLG_NO_CABLE))
5290 status = 0;
5291
5292 ql_log(ql_log_info, vha, 0x8000,
5293 "Configure loop done, status = 0x%x.\n", status);
5294 }
5295
5296 if (!status) {
5297 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5298
5299 if (!atomic_read(&vha->loop_down_timer)) {
5300 /*
5301 * Issue marker command only when we are going
5302 * to start the I/O .
5303 */
5304 vha->marker_needed = 1;
5305 }
5306
5307 vha->flags.online = 1;
5308
5309 ha->isp_ops->enable_intrs(ha);
5310
5311 ha->isp_abort_cnt = 0;
5312 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5313
5314 /* Update the firmware version */
5315 status = qla82xx_check_md_needed(vha);
5316
5317 if (ha->fce) {
5318 ha->flags.fce_enabled = 1;
5319 memset(ha->fce, 0,
5320 fce_calc_size(ha->fce_bufs));
5321 rval = qla2x00_enable_fce_trace(vha,
5322 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5323 &ha->fce_bufs);
5324 if (rval) {
5325 ql_log(ql_log_warn, vha, 0x8001,
5326 "Unable to reinitialize FCE (%d).\n",
5327 rval);
5328 ha->flags.fce_enabled = 0;
5329 }
5330 }
5331
5332 if (ha->eft) {
5333 memset(ha->eft, 0, EFT_SIZE);
5334 rval = qla2x00_enable_eft_trace(vha,
5335 ha->eft_dma, EFT_NUM_BUFFERS);
5336 if (rval) {
5337 ql_log(ql_log_warn, vha, 0x8010,
5338 "Unable to reinitialize EFT (%d).\n",
5339 rval);
5340 }
5341 }
5342 }
5343
5344 if (!status) {
5345 ql_dbg(ql_dbg_taskm, vha, 0x8011,
5346 "qla82xx_restart_isp succeeded.\n");
5347
5348 spin_lock_irqsave(&ha->vport_slock, flags);
5349 list_for_each_entry(vp, &ha->vp_list, list) {
5350 if (vp->vp_idx) {
5351 atomic_inc(&vp->vref_count);
5352 spin_unlock_irqrestore(&ha->vport_slock, flags);
5353
5354 qla2x00_vp_abort_isp(vp);
5355
5356 spin_lock_irqsave(&ha->vport_slock, flags);
5357 atomic_dec(&vp->vref_count);
5358 }
5359 }
5360 spin_unlock_irqrestore(&ha->vport_slock, flags);
5361
5362 } else {
5363 ql_log(ql_log_warn, vha, 0x8016,
5364 "qla82xx_restart_isp **** FAILED ****.\n");
5365 }
5366
5367 return status;
5368 }
5369
5370 void
qla81xx_update_fw_options(scsi_qla_host_t * vha)5371 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5372 {
5373 struct qla_hw_data *ha = vha->hw;
5374
5375 if (!ql2xetsenable)
5376 return;
5377
5378 /* Enable ETS Burst. */
5379 memset(ha->fw_options, 0, sizeof(ha->fw_options));
5380 ha->fw_options[2] |= BIT_9;
5381 qla2x00_set_fw_options(vha, ha->fw_options);
5382 }
5383
5384 /*
5385 * qla24xx_get_fcp_prio
5386 * Gets the fcp cmd priority value for the logged in port.
5387 * Looks for a match of the port descriptors within
5388 * each of the fcp prio config entries. If a match is found,
5389 * the tag (priority) value is returned.
5390 *
5391 * Input:
5392 * vha = scsi host structure pointer.
5393 * fcport = port structure pointer.
5394 *
5395 * Return:
5396 * non-zero (if found)
5397 * -1 (if not found)
5398 *
5399 * Context:
5400 * Kernel context
5401 */
5402 static int
qla24xx_get_fcp_prio(scsi_qla_host_t * vha,fc_port_t * fcport)5403 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5404 {
5405 int i, entries;
5406 uint8_t pid_match, wwn_match;
5407 int priority;
5408 uint32_t pid1, pid2;
5409 uint64_t wwn1, wwn2;
5410 struct qla_fcp_prio_entry *pri_entry;
5411 struct qla_hw_data *ha = vha->hw;
5412
5413 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5414 return -1;
5415
5416 priority = -1;
5417 entries = ha->fcp_prio_cfg->num_entries;
5418 pri_entry = &ha->fcp_prio_cfg->entry[0];
5419
5420 for (i = 0; i < entries; i++) {
5421 pid_match = wwn_match = 0;
5422
5423 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5424 pri_entry++;
5425 continue;
5426 }
5427
5428 /* check source pid for a match */
5429 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5430 pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5431 pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5432 if (pid1 == INVALID_PORT_ID)
5433 pid_match++;
5434 else if (pid1 == pid2)
5435 pid_match++;
5436 }
5437
5438 /* check destination pid for a match */
5439 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5440 pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5441 pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5442 if (pid1 == INVALID_PORT_ID)
5443 pid_match++;
5444 else if (pid1 == pid2)
5445 pid_match++;
5446 }
5447
5448 /* check source WWN for a match */
5449 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5450 wwn1 = wwn_to_u64(vha->port_name);
5451 wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5452 if (wwn2 == (uint64_t)-1)
5453 wwn_match++;
5454 else if (wwn1 == wwn2)
5455 wwn_match++;
5456 }
5457
5458 /* check destination WWN for a match */
5459 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5460 wwn1 = wwn_to_u64(fcport->port_name);
5461 wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5462 if (wwn2 == (uint64_t)-1)
5463 wwn_match++;
5464 else if (wwn1 == wwn2)
5465 wwn_match++;
5466 }
5467
5468 if (pid_match == 2 || wwn_match == 2) {
5469 /* Found a matching entry */
5470 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5471 priority = pri_entry->tag;
5472 break;
5473 }
5474
5475 pri_entry++;
5476 }
5477
5478 return priority;
5479 }
5480
5481 /*
5482 * qla24xx_update_fcport_fcp_prio
5483 * Activates fcp priority for the logged in fc port
5484 *
5485 * Input:
5486 * vha = scsi host structure pointer.
5487 * fcp = port structure pointer.
5488 *
5489 * Return:
5490 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5491 *
5492 * Context:
5493 * Kernel context.
5494 */
5495 int
qla24xx_update_fcport_fcp_prio(scsi_qla_host_t * vha,fc_port_t * fcport)5496 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5497 {
5498 int ret;
5499 int priority;
5500 uint16_t mb[5];
5501
5502 if (fcport->port_type != FCT_TARGET ||
5503 fcport->loop_id == FC_NO_LOOP_ID)
5504 return QLA_FUNCTION_FAILED;
5505
5506 priority = qla24xx_get_fcp_prio(vha, fcport);
5507 if (priority < 0)
5508 return QLA_FUNCTION_FAILED;
5509
5510 if (IS_QLA82XX(vha->hw)) {
5511 fcport->fcp_prio = priority & 0xf;
5512 return QLA_SUCCESS;
5513 }
5514
5515 ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
5516 if (ret == QLA_SUCCESS) {
5517 if (fcport->fcp_prio != priority)
5518 ql_dbg(ql_dbg_user, vha, 0x709e,
5519 "Updated FCP_CMND priority - value=%d loop_id=%d "
5520 "port_id=%02x%02x%02x.\n", priority,
5521 fcport->loop_id, fcport->d_id.b.domain,
5522 fcport->d_id.b.area, fcport->d_id.b.al_pa);
5523 fcport->fcp_prio = priority & 0xf;
5524 } else
5525 ql_dbg(ql_dbg_user, vha, 0x704f,
5526 "Unable to update FCP_CMND priority - ret=0x%x for "
5527 "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
5528 fcport->d_id.b.domain, fcport->d_id.b.area,
5529 fcport->d_id.b.al_pa);
5530 return ret;
5531 }
5532
5533 /*
5534 * qla24xx_update_all_fcp_prio
5535 * Activates fcp priority for all the logged in ports
5536 *
5537 * Input:
5538 * ha = adapter block pointer.
5539 *
5540 * Return:
5541 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5542 *
5543 * Context:
5544 * Kernel context.
5545 */
5546 int
qla24xx_update_all_fcp_prio(scsi_qla_host_t * vha)5547 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5548 {
5549 int ret;
5550 fc_port_t *fcport;
5551
5552 ret = QLA_FUNCTION_FAILED;
5553 /* We need to set priority for all logged in ports */
5554 list_for_each_entry(fcport, &vha->vp_fcports, list)
5555 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5556
5557 return ret;
5558 }
5559