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46#include <linux/module.h>
47#include <linux/kernel.h>
48#include <linux/init.h>
49#include <linux/errno.h>
50#include <linux/kdev_t.h>
51#include <linux/blkdev.h>
52#include <linux/delay.h>
53#include <linux/interrupt.h>
54#include <linux/reboot.h>
55#include <linux/workqueue.h>
56#include <linux/sort.h>
57#include <linux/slab.h>
58
59#include <scsi/scsi.h>
60#include <scsi/scsi_cmnd.h>
61#include <scsi/scsi_device.h>
62#include <scsi/scsi_host.h>
63#include <scsi/scsi_tcq.h>
64#include <scsi/scsi_transport_fc.h>
65
66#include "mptbase.h"
67#include "mptscsih.h"
68
69
70#define my_NAME "Fusion MPT FC Host driver"
71#define my_VERSION MPT_LINUX_VERSION_COMMON
72#define MYNAM "mptfc"
73
74MODULE_AUTHOR(MODULEAUTHOR);
75MODULE_DESCRIPTION(my_NAME);
76MODULE_LICENSE("GPL");
77MODULE_VERSION(my_VERSION);
78
79
80#define MPTFC_DEV_LOSS_TMO (60)
81static int mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;
82module_param(mptfc_dev_loss_tmo, int, 0);
83MODULE_PARM_DESC(mptfc_dev_loss_tmo, " Initial time the driver programs the "
84 " transport to wait for an rport to "
85 " return following a device loss event."
86 " Default=60.");
87
88
89#define MPTFC_MAX_LUN (16895)
90static int max_lun = MPTFC_MAX_LUN;
91module_param(max_lun, int, 0);
92MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
93
94static u8 mptfcDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
95static u8 mptfcTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
96static u8 mptfcInternalCtx = MPT_MAX_PROTOCOL_DRIVERS;
97
98static int mptfc_target_alloc(struct scsi_target *starget);
99static int mptfc_slave_alloc(struct scsi_device *sdev);
100static int mptfc_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt);
101static void mptfc_target_destroy(struct scsi_target *starget);
102static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout);
103static void __devexit mptfc_remove(struct pci_dev *pdev);
104static int mptfc_abort(struct scsi_cmnd *SCpnt);
105static int mptfc_dev_reset(struct scsi_cmnd *SCpnt);
106static int mptfc_bus_reset(struct scsi_cmnd *SCpnt);
107static int mptfc_host_reset(struct scsi_cmnd *SCpnt);
108
109static struct scsi_host_template mptfc_driver_template = {
110 .module = THIS_MODULE,
111 .proc_name = "mptfc",
112 .proc_info = mptscsih_proc_info,
113 .name = "MPT FC Host",
114 .info = mptscsih_info,
115 .queuecommand = mptfc_qcmd,
116 .target_alloc = mptfc_target_alloc,
117 .slave_alloc = mptfc_slave_alloc,
118 .slave_configure = mptscsih_slave_configure,
119 .target_destroy = mptfc_target_destroy,
120 .slave_destroy = mptscsih_slave_destroy,
121 .change_queue_depth = mptscsih_change_queue_depth,
122 .eh_abort_handler = mptfc_abort,
123 .eh_device_reset_handler = mptfc_dev_reset,
124 .eh_bus_reset_handler = mptfc_bus_reset,
125 .eh_host_reset_handler = mptfc_host_reset,
126 .bios_param = mptscsih_bios_param,
127 .can_queue = MPT_FC_CAN_QUEUE,
128 .this_id = -1,
129 .sg_tablesize = MPT_SCSI_SG_DEPTH,
130 .max_sectors = 8192,
131 .cmd_per_lun = 7,
132 .use_clustering = ENABLE_CLUSTERING,
133 .shost_attrs = mptscsih_host_attrs,
134};
135
136
137
138
139
140static struct pci_device_id mptfc_pci_table[] = {
141 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC909,
142 PCI_ANY_ID, PCI_ANY_ID },
143 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919,
144 PCI_ANY_ID, PCI_ANY_ID },
145 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929,
146 PCI_ANY_ID, PCI_ANY_ID },
147 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919X,
148 PCI_ANY_ID, PCI_ANY_ID },
149 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929X,
150 PCI_ANY_ID, PCI_ANY_ID },
151 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC939X,
152 PCI_ANY_ID, PCI_ANY_ID },
153 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949X,
154 PCI_ANY_ID, PCI_ANY_ID },
155 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949E,
156 PCI_ANY_ID, PCI_ANY_ID },
157 { PCI_VENDOR_ID_BROCADE, MPI_MANUFACTPAGE_DEVICEID_FC949E,
158 PCI_ANY_ID, PCI_ANY_ID },
159 {0}
160};
161MODULE_DEVICE_TABLE(pci, mptfc_pci_table);
162
163static struct scsi_transport_template *mptfc_transport_template = NULL;
164
165static struct fc_function_template mptfc_transport_functions = {
166 .dd_fcrport_size = 8,
167 .show_host_node_name = 1,
168 .show_host_port_name = 1,
169 .show_host_supported_classes = 1,
170 .show_host_port_id = 1,
171 .show_rport_supported_classes = 1,
172 .show_starget_node_name = 1,
173 .show_starget_port_name = 1,
174 .show_starget_port_id = 1,
175 .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo,
176 .show_rport_dev_loss_tmo = 1,
177 .show_host_supported_speeds = 1,
178 .show_host_maxframe_size = 1,
179 .show_host_speed = 1,
180 .show_host_fabric_name = 1,
181 .show_host_port_type = 1,
182 .show_host_port_state = 1,
183 .show_host_symbolic_name = 1,
184};
185
186static int
187mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
188 int (*func)(struct scsi_cmnd *SCpnt),
189 const char *caller)
190{
191 MPT_SCSI_HOST *hd;
192 struct scsi_device *sdev = SCpnt->device;
193 struct Scsi_Host *shost = sdev->host;
194 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
195 unsigned long flags;
196 int ready;
197 MPT_ADAPTER *ioc;
198 int loops = 40;
199
200 hd = shost_priv(SCpnt->device->host);
201 ioc = hd->ioc;
202 spin_lock_irqsave(shost->host_lock, flags);
203 while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY
204 || (loops > 0 && ioc->active == 0)) {
205 spin_unlock_irqrestore(shost->host_lock, flags);
206 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
207 "mptfc_block_error_handler.%d: %d:%d, port status is "
208 "%x, active flag %d, deferring %s recovery.\n",
209 ioc->name, ioc->sh->host_no,
210 SCpnt->device->id, SCpnt->device->lun,
211 ready, ioc->active, caller));
212 msleep(1000);
213 spin_lock_irqsave(shost->host_lock, flags);
214 loops --;
215 }
216 spin_unlock_irqrestore(shost->host_lock, flags);
217
218 if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata
219 || ioc->active == 0) {
220 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
221 "%s.%d: %d:%d, failing recovery, "
222 "port state %x, active %d, vdevice %p.\n", caller,
223 ioc->name, ioc->sh->host_no,
224 SCpnt->device->id, SCpnt->device->lun, ready,
225 ioc->active, SCpnt->device->hostdata));
226 return FAILED;
227 }
228 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
229 "%s.%d: %d:%d, executing recovery.\n", caller,
230 ioc->name, ioc->sh->host_no,
231 SCpnt->device->id, SCpnt->device->lun));
232 return (*func)(SCpnt);
233}
234
235static int
236mptfc_abort(struct scsi_cmnd *SCpnt)
237{
238 return
239 mptfc_block_error_handler(SCpnt, mptscsih_abort, __func__);
240}
241
242static int
243mptfc_dev_reset(struct scsi_cmnd *SCpnt)
244{
245 return
246 mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __func__);
247}
248
249static int
250mptfc_bus_reset(struct scsi_cmnd *SCpnt)
251{
252 return
253 mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __func__);
254}
255
256static int
257mptfc_host_reset(struct scsi_cmnd *SCpnt)
258{
259 return
260 mptfc_block_error_handler(SCpnt, mptscsih_host_reset, __func__);
261}
262
263static void
264mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
265{
266 if (timeout > 0)
267 rport->dev_loss_tmo = timeout;
268 else
269 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
270}
271
272static int
273mptfc_FcDevPage0_cmp_func(const void *a, const void *b)
274{
275 FCDevicePage0_t **aa = (FCDevicePage0_t **)a;
276 FCDevicePage0_t **bb = (FCDevicePage0_t **)b;
277
278 if ((*aa)->CurrentBus == (*bb)->CurrentBus) {
279 if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID)
280 return 0;
281 if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID)
282 return -1;
283 return 1;
284 }
285 if ((*aa)->CurrentBus < (*bb)->CurrentBus)
286 return -1;
287 return 1;
288}
289
290static int
291mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port,
292 void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg))
293{
294 ConfigPageHeader_t hdr;
295 CONFIGPARMS cfg;
296 FCDevicePage0_t *ppage0_alloc, *fc;
297 dma_addr_t page0_dma;
298 int data_sz;
299 int ii;
300
301 FCDevicePage0_t *p0_array=NULL, *p_p0;
302 FCDevicePage0_t **pp0_array=NULL, **p_pp0;
303
304 int rc = -ENOMEM;
305 U32 port_id = 0xffffff;
306 int num_targ = 0;
307 int max_bus = ioc->facts.MaxBuses;
308 int max_targ;
309
310 max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices;
311
312 data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ;
313 p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL);
314 if (!p0_array)
315 goto out;
316
317 data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ;
318 p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL);
319 if (!pp0_array)
320 goto out;
321
322 do {
323
324 hdr.PageVersion = 0;
325 hdr.PageLength = 0;
326 hdr.PageNumber = 0;
327 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE;
328 cfg.cfghdr.hdr = &hdr;
329 cfg.physAddr = -1;
330 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
331 cfg.dir = 0;
332 cfg.pageAddr = port_id;
333 cfg.timeout = 0;
334
335 if ((rc = mpt_config(ioc, &cfg)) != 0)
336 break;
337
338 if (hdr.PageLength <= 0)
339 break;
340
341 data_sz = hdr.PageLength * 4;
342 ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz,
343 &page0_dma);
344 rc = -ENOMEM;
345 if (!ppage0_alloc)
346 break;
347
348 cfg.physAddr = page0_dma;
349 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
350
351 if ((rc = mpt_config(ioc, &cfg)) == 0) {
352 ppage0_alloc->PortIdentifier =
353 le32_to_cpu(ppage0_alloc->PortIdentifier);
354
355 ppage0_alloc->WWNN.Low =
356 le32_to_cpu(ppage0_alloc->WWNN.Low);
357
358 ppage0_alloc->WWNN.High =
359 le32_to_cpu(ppage0_alloc->WWNN.High);
360
361 ppage0_alloc->WWPN.Low =
362 le32_to_cpu(ppage0_alloc->WWPN.Low);
363
364 ppage0_alloc->WWPN.High =
365 le32_to_cpu(ppage0_alloc->WWPN.High);
366
367 ppage0_alloc->BBCredit =
368 le16_to_cpu(ppage0_alloc->BBCredit);
369
370 ppage0_alloc->MaxRxFrameSize =
371 le16_to_cpu(ppage0_alloc->MaxRxFrameSize);
372
373 port_id = ppage0_alloc->PortIdentifier;
374 num_targ++;
375 *p_p0 = *ppage0_alloc;
376 *p_pp0++ = p_p0++;
377 }
378 pci_free_consistent(ioc->pcidev, data_sz,
379 (u8 *) ppage0_alloc, page0_dma);
380 if (rc != 0)
381 break;
382
383 } while (port_id <= 0xff0000);
384
385 if (num_targ) {
386
387 if (num_targ > 1)
388 sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *),
389 mptfc_FcDevPage0_cmp_func, NULL);
390
391 for (ii = 0; ii < num_targ; ii++) {
392 fc = *(pp0_array+ii);
393 func(ioc, ioc_port, fc);
394 }
395 }
396
397 out:
398 kfree(pp0_array);
399 kfree(p0_array);
400 return rc;
401}
402
403static int
404mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid)
405{
406
407 if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID |
408 MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID))
409 return -1;
410
411 if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID))
412 return -1;
413
414 if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET))
415 return -1;
416
417
418
419
420
421 rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low;
422 rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low;
423 rid->port_id = pg0->PortIdentifier;
424 rid->roles = FC_RPORT_ROLE_UNKNOWN;
425
426 return 0;
427}
428
429static void
430mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
431{
432 struct fc_rport_identifiers rport_ids;
433 struct fc_rport *rport;
434 struct mptfc_rport_info *ri;
435 int new_ri = 1;
436 u64 pn, nn;
437 VirtTarget *vtarget;
438 u32 roles = FC_RPORT_ROLE_UNKNOWN;
439
440 if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0)
441 return;
442
443 roles |= FC_RPORT_ROLE_FCP_TARGET;
444 if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR)
445 roles |= FC_RPORT_ROLE_FCP_INITIATOR;
446
447
448 list_for_each_entry(ri, &ioc->fc_rports, list) {
449 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
450 if (pn == rport_ids.port_name) {
451 list_move_tail(&ri->list, &ioc->fc_rports);
452 new_ri = 0;
453 break;
454 }
455 }
456 if (new_ri) {
457 ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL);
458 if (!ri)
459 return;
460 list_add_tail(&ri->list, &ioc->fc_rports);
461 }
462
463 ri->pg0 = *pg0;
464 ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING;
465
466
467 if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) {
468 ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED;
469 rport = fc_remote_port_add(ioc->sh, channel, &rport_ids);
470 if (rport) {
471 ri->rport = rport;
472 if (new_ri)
473 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
474
475
476
477
478
479 if (ri->starget) {
480 vtarget = ri->starget->hostdata;
481 if (vtarget) {
482 vtarget->id = pg0->CurrentTargetID;
483 vtarget->channel = pg0->CurrentBus;
484 vtarget->deleted = 0;
485 }
486 }
487 *((struct mptfc_rport_info **)rport->dd_data) = ri;
488
489 fc_remote_port_rolechg(rport,roles);
490
491 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
492 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
493 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
494 "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
495 "rport tid %d, tmo %d\n",
496 ioc->name,
497 ioc->sh->host_no,
498 pg0->PortIdentifier,
499 (unsigned long long)nn,
500 (unsigned long long)pn,
501 pg0->CurrentTargetID,
502 ri->rport->scsi_target_id,
503 ri->rport->dev_loss_tmo));
504 } else {
505 list_del(&ri->list);
506 kfree(ri);
507 ri = NULL;
508 }
509 }
510}
511
512
513
514
515
516static void
517mptfc_target_destroy(struct scsi_target *starget)
518{
519 struct fc_rport *rport;
520 struct mptfc_rport_info *ri;
521
522 rport = starget_to_rport(starget);
523 if (rport) {
524 ri = *((struct mptfc_rport_info **)rport->dd_data);
525 if (ri)
526 ri->starget = NULL;
527 }
528 if (starget->hostdata)
529 kfree(starget->hostdata);
530 starget->hostdata = NULL;
531}
532
533
534
535
536
537
538static int
539mptfc_target_alloc(struct scsi_target *starget)
540{
541 VirtTarget *vtarget;
542 struct fc_rport *rport;
543 struct mptfc_rport_info *ri;
544 int rc;
545
546 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
547 if (!vtarget)
548 return -ENOMEM;
549 starget->hostdata = vtarget;
550
551 rc = -ENODEV;
552 rport = starget_to_rport(starget);
553 if (rport) {
554 ri = *((struct mptfc_rport_info **)rport->dd_data);
555 if (ri) {
556 vtarget->id = ri->pg0.CurrentTargetID;
557 vtarget->channel = ri->pg0.CurrentBus;
558 ri->starget = starget;
559 rc = 0;
560 }
561 }
562 if (rc != 0) {
563 kfree(vtarget);
564 starget->hostdata = NULL;
565 }
566
567 return rc;
568}
569
570
571
572
573
574
575
576static void
577mptfc_dump_lun_info(MPT_ADAPTER *ioc, struct fc_rport *rport, struct scsi_device *sdev,
578 VirtTarget *vtarget)
579{
580 u64 nn, pn;
581 struct mptfc_rport_info *ri;
582
583 ri = *((struct mptfc_rport_info **)rport->dd_data);
584 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
585 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
586 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
587 "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, "
588 "CurrentTargetID %d, %x %llx %llx\n",
589 ioc->name,
590 sdev->host->host_no,
591 vtarget->num_luns,
592 sdev->id, ri->pg0.CurrentTargetID,
593 ri->pg0.PortIdentifier,
594 (unsigned long long)pn,
595 (unsigned long long)nn));
596}
597
598
599
600
601
602
603
604
605static int
606mptfc_slave_alloc(struct scsi_device *sdev)
607{
608 MPT_SCSI_HOST *hd;
609 VirtTarget *vtarget;
610 VirtDevice *vdevice;
611 struct scsi_target *starget;
612 struct fc_rport *rport;
613 MPT_ADAPTER *ioc;
614
615 starget = scsi_target(sdev);
616 rport = starget_to_rport(starget);
617
618 if (!rport || fc_remote_port_chkready(rport))
619 return -ENXIO;
620
621 hd = shost_priv(sdev->host);
622 ioc = hd->ioc;
623
624 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
625 if (!vdevice) {
626 printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
627 ioc->name, sizeof(VirtDevice));
628 return -ENOMEM;
629 }
630
631
632 sdev->hostdata = vdevice;
633 vtarget = starget->hostdata;
634
635 if (vtarget->num_luns == 0) {
636 vtarget->ioc_id = ioc->id;
637 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
638 }
639
640 vdevice->vtarget = vtarget;
641 vdevice->lun = sdev->lun;
642
643 vtarget->num_luns++;
644
645
646 mptfc_dump_lun_info(ioc, rport, sdev, vtarget);
647
648 return 0;
649}
650
651static int
652mptfc_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
653{
654 struct mptfc_rport_info *ri;
655 struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
656 int err;
657 VirtDevice *vdevice = SCpnt->device->hostdata;
658
659 if (!vdevice || !vdevice->vtarget) {
660 SCpnt->result = DID_NO_CONNECT << 16;
661 done(SCpnt);
662 return 0;
663 }
664
665 err = fc_remote_port_chkready(rport);
666 if (unlikely(err)) {
667 SCpnt->result = err;
668 done(SCpnt);
669 return 0;
670 }
671
672
673 ri = *((struct mptfc_rport_info **)rport->dd_data);
674 if (unlikely(!ri)) {
675 SCpnt->result = DID_IMM_RETRY << 16;
676 done(SCpnt);
677 return 0;
678 }
679
680 return mptscsih_qcmd(SCpnt,done);
681}
682
683static DEF_SCSI_QCMD(mptfc_qcmd)
684
685
686
687
688
689
690
691
692static void
693mptfc_display_port_link_speed(MPT_ADAPTER *ioc, int portnum, FCPortPage0_t *pp0dest)
694{
695 u8 old_speed, new_speed, state;
696 char *old, *new;
697
698 if (portnum >= 2)
699 return;
700
701 old_speed = ioc->fc_link_speed[portnum];
702 new_speed = pp0dest->CurrentSpeed;
703 state = pp0dest->PortState;
704
705 if (state != MPI_FCPORTPAGE0_PORTSTATE_OFFLINE &&
706 new_speed != MPI_FCPORTPAGE0_CURRENT_SPEED_UKNOWN) {
707
708 old = old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
709 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
710 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
711 "Unknown";
712 new = new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
713 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
714 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
715 "Unknown";
716 if (old_speed == 0)
717 printk(MYIOC_s_NOTE_FMT
718 "FC Link Established, Speed = %s\n",
719 ioc->name, new);
720 else if (old_speed != new_speed)
721 printk(MYIOC_s_WARN_FMT
722 "FC Link Speed Change, Old Speed = %s, New Speed = %s\n",
723 ioc->name, old, new);
724
725 ioc->fc_link_speed[portnum] = new_speed;
726 }
727}
728
729
730
731
732
733
734
735
736
737
738
739
740
741static int
742mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
743{
744 ConfigPageHeader_t hdr;
745 CONFIGPARMS cfg;
746 FCPortPage0_t *ppage0_alloc;
747 FCPortPage0_t *pp0dest;
748 dma_addr_t page0_dma;
749 int data_sz;
750 int copy_sz;
751 int rc;
752 int count = 400;
753
754 if (portnum > 1)
755 return -EINVAL;
756
757
758 hdr.PageVersion = 0;
759 hdr.PageLength = 0;
760 hdr.PageNumber = 0;
761 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
762 cfg.cfghdr.hdr = &hdr;
763 cfg.physAddr = -1;
764 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
765 cfg.dir = 0;
766 cfg.pageAddr = portnum;
767 cfg.timeout = 0;
768
769 if ((rc = mpt_config(ioc, &cfg)) != 0)
770 return rc;
771
772 if (hdr.PageLength == 0)
773 return 0;
774
775 data_sz = hdr.PageLength * 4;
776 rc = -ENOMEM;
777 ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
778 if (ppage0_alloc) {
779
780 try_again:
781 memset((u8 *)ppage0_alloc, 0, data_sz);
782 cfg.physAddr = page0_dma;
783 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
784
785 if ((rc = mpt_config(ioc, &cfg)) == 0) {
786
787 pp0dest = &ioc->fc_port_page0[portnum];
788 copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz);
789 memcpy(pp0dest, ppage0_alloc, copy_sz);
790
791
792
793
794
795 pp0dest->Flags = le32_to_cpu(pp0dest->Flags);
796 pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier);
797 pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low);
798 pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High);
799 pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low);
800 pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High);
801 pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass);
802 pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds);
803 pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed);
804 pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize);
805 pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low);
806 pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High);
807 pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low);
808 pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High);
809 pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
810 pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
811
812
813
814
815
816 if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) ||
817 (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE &&
818 (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK)
819 == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) {
820 if (count-- > 0) {
821 msleep(100);
822 goto try_again;
823 }
824 printk(MYIOC_s_INFO_FMT "Firmware discovery not"
825 " complete.\n",
826 ioc->name);
827 }
828 mptfc_display_port_link_speed(ioc, portnum, pp0dest);
829 }
830
831 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
832 }
833
834 return rc;
835}
836
837static int
838mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum)
839{
840 ConfigPageHeader_t hdr;
841 CONFIGPARMS cfg;
842 int rc;
843
844 if (portnum > 1)
845 return -EINVAL;
846
847 if (!(ioc->fc_data.fc_port_page1[portnum].data))
848 return -EINVAL;
849
850
851 hdr.PageVersion = 0;
852 hdr.PageLength = 0;
853 hdr.PageNumber = 1;
854 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
855 cfg.cfghdr.hdr = &hdr;
856 cfg.physAddr = -1;
857 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
858 cfg.dir = 0;
859 cfg.pageAddr = portnum;
860 cfg.timeout = 0;
861
862 if ((rc = mpt_config(ioc, &cfg)) != 0)
863 return rc;
864
865 if (hdr.PageLength == 0)
866 return -ENODEV;
867
868 if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz)
869 return -EINVAL;
870
871 cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma;
872 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
873 cfg.dir = 1;
874
875 rc = mpt_config(ioc, &cfg);
876
877 return rc;
878}
879
880static int
881mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum)
882{
883 ConfigPageHeader_t hdr;
884 CONFIGPARMS cfg;
885 FCPortPage1_t *page1_alloc;
886 dma_addr_t page1_dma;
887 int data_sz;
888 int rc;
889
890 if (portnum > 1)
891 return -EINVAL;
892
893
894 hdr.PageVersion = 0;
895 hdr.PageLength = 0;
896 hdr.PageNumber = 1;
897 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
898 cfg.cfghdr.hdr = &hdr;
899 cfg.physAddr = -1;
900 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
901 cfg.dir = 0;
902 cfg.pageAddr = portnum;
903 cfg.timeout = 0;
904
905 if ((rc = mpt_config(ioc, &cfg)) != 0)
906 return rc;
907
908 if (hdr.PageLength == 0)
909 return -ENODEV;
910
911start_over:
912
913 if (ioc->fc_data.fc_port_page1[portnum].data == NULL) {
914 data_sz = hdr.PageLength * 4;
915 if (data_sz < sizeof(FCPortPage1_t))
916 data_sz = sizeof(FCPortPage1_t);
917
918 page1_alloc = (FCPortPage1_t *) pci_alloc_consistent(ioc->pcidev,
919 data_sz,
920 &page1_dma);
921 if (!page1_alloc)
922 return -ENOMEM;
923 }
924 else {
925 page1_alloc = ioc->fc_data.fc_port_page1[portnum].data;
926 page1_dma = ioc->fc_data.fc_port_page1[portnum].dma;
927 data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz;
928 if (hdr.PageLength * 4 > data_sz) {
929 ioc->fc_data.fc_port_page1[portnum].data = NULL;
930 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
931 page1_alloc, page1_dma);
932 goto start_over;
933 }
934 }
935
936 memset(page1_alloc,0,data_sz);
937
938 cfg.physAddr = page1_dma;
939 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
940
941 if ((rc = mpt_config(ioc, &cfg)) == 0) {
942 ioc->fc_data.fc_port_page1[portnum].data = page1_alloc;
943 ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz;
944 ioc->fc_data.fc_port_page1[portnum].dma = page1_dma;
945 }
946 else {
947 ioc->fc_data.fc_port_page1[portnum].data = NULL;
948 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
949 page1_alloc, page1_dma);
950 }
951
952 return rc;
953}
954
955static void
956mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc)
957{
958 int ii;
959 FCPortPage1_t *pp1;
960
961 #define MPTFC_FW_DEVICE_TIMEOUT (1)
962 #define MPTFC_FW_IO_PEND_TIMEOUT (1)
963 #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY)
964 #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS)
965
966 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
967 if (mptfc_GetFcPortPage1(ioc, ii) != 0)
968 continue;
969 pp1 = ioc->fc_data.fc_port_page1[ii].data;
970 if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT)
971 && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT)
972 && ((pp1->Flags & ON_FLAGS) == ON_FLAGS)
973 && ((pp1->Flags & OFF_FLAGS) == 0))
974 continue;
975 pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT;
976 pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT;
977 pp1->Flags &= ~OFF_FLAGS;
978 pp1->Flags |= ON_FLAGS;
979 mptfc_WriteFcPortPage1(ioc, ii);
980 }
981}
982
983
984static void
985mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
986{
987 unsigned class = 0;
988 unsigned cos = 0;
989 unsigned speed;
990 unsigned port_type;
991 unsigned port_state;
992 FCPortPage0_t *pp0;
993 struct Scsi_Host *sh;
994 char *sn;
995
996
997 if (portnum != 0)
998 return;
999
1000 pp0 = &ioc->fc_port_page0[portnum];
1001 sh = ioc->sh;
1002
1003 sn = fc_host_symbolic_name(sh);
1004 snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh",
1005 ioc->prod_name,
1006 MPT_FW_REV_MAGIC_ID_STRING,
1007 ioc->facts.FWVersion.Word);
1008
1009 fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN;
1010
1011 fc_host_maxframe_size(sh) = pp0->MaxFrameSize;
1012
1013 fc_host_node_name(sh) =
1014 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1015
1016 fc_host_port_name(sh) =
1017 (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low;
1018
1019 fc_host_port_id(sh) = pp0->PortIdentifier;
1020
1021 class = pp0->SupportedServiceClass;
1022 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1)
1023 cos |= FC_COS_CLASS1;
1024 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2)
1025 cos |= FC_COS_CLASS2;
1026 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3)
1027 cos |= FC_COS_CLASS3;
1028 fc_host_supported_classes(sh) = cos;
1029
1030 if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT)
1031 speed = FC_PORTSPEED_1GBIT;
1032 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT)
1033 speed = FC_PORTSPEED_2GBIT;
1034 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT)
1035 speed = FC_PORTSPEED_4GBIT;
1036 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT)
1037 speed = FC_PORTSPEED_10GBIT;
1038 else
1039 speed = FC_PORTSPEED_UNKNOWN;
1040 fc_host_speed(sh) = speed;
1041
1042 speed = 0;
1043 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED)
1044 speed |= FC_PORTSPEED_1GBIT;
1045 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED)
1046 speed |= FC_PORTSPEED_2GBIT;
1047 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED)
1048 speed |= FC_PORTSPEED_4GBIT;
1049 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED)
1050 speed |= FC_PORTSPEED_10GBIT;
1051 fc_host_supported_speeds(sh) = speed;
1052
1053 port_state = FC_PORTSTATE_UNKNOWN;
1054 if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE)
1055 port_state = FC_PORTSTATE_ONLINE;
1056 else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE)
1057 port_state = FC_PORTSTATE_LINKDOWN;
1058 fc_host_port_state(sh) = port_state;
1059
1060 port_type = FC_PORTTYPE_UNKNOWN;
1061 if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT)
1062 port_type = FC_PORTTYPE_PTP;
1063 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP)
1064 port_type = FC_PORTTYPE_LPORT;
1065 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP)
1066 port_type = FC_PORTTYPE_NLPORT;
1067 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT)
1068 port_type = FC_PORTTYPE_NPORT;
1069 fc_host_port_type(sh) = port_type;
1070
1071 fc_host_fabric_name(sh) =
1072 (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ?
1073 (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low :
1074 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1075
1076}
1077
1078static void
1079mptfc_link_status_change(struct work_struct *work)
1080{
1081 MPT_ADAPTER *ioc =
1082 container_of(work, MPT_ADAPTER, fc_rescan_work);
1083 int ii;
1084
1085 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++)
1086 (void) mptfc_GetFcPortPage0(ioc, ii);
1087
1088}
1089
1090static void
1091mptfc_setup_reset(struct work_struct *work)
1092{
1093 MPT_ADAPTER *ioc =
1094 container_of(work, MPT_ADAPTER, fc_setup_reset_work);
1095 u64 pn;
1096 struct mptfc_rport_info *ri;
1097 struct scsi_target *starget;
1098 VirtTarget *vtarget;
1099
1100
1101 list_for_each_entry(ri, &ioc->fc_rports, list) {
1102 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1103 ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED;
1104 fc_remote_port_delete(ri->rport);
1105 ri->rport = NULL;
1106 starget = ri->starget;
1107 if (starget) {
1108 vtarget = starget->hostdata;
1109 if (vtarget)
1110 vtarget->deleted = 1;
1111 }
1112
1113 pn = (u64)ri->pg0.WWPN.High << 32 |
1114 (u64)ri->pg0.WWPN.Low;
1115 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
1116 "mptfc_setup_reset.%d: %llx deleted\n",
1117 ioc->name,
1118 ioc->sh->host_no,
1119 (unsigned long long)pn));
1120 }
1121 }
1122}
1123
1124static void
1125mptfc_rescan_devices(struct work_struct *work)
1126{
1127 MPT_ADAPTER *ioc =
1128 container_of(work, MPT_ADAPTER, fc_rescan_work);
1129 int ii;
1130 u64 pn;
1131 struct mptfc_rport_info *ri;
1132 struct scsi_target *starget;
1133 VirtTarget *vtarget;
1134
1135
1136 list_for_each_entry(ri, &ioc->fc_rports, list) {
1137 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1138 ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING;
1139 }
1140 }
1141
1142
1143
1144
1145
1146 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1147 (void) mptfc_GetFcPortPage0(ioc, ii);
1148 mptfc_init_host_attr(ioc, ii);
1149 mptfc_GetFcDevPage0(ioc, ii, mptfc_register_dev);
1150 }
1151
1152
1153 list_for_each_entry(ri, &ioc->fc_rports, list) {
1154
1155 if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) {
1156
1157 ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
1158 MPT_RPORT_INFO_FLAGS_MISSING);
1159 fc_remote_port_delete(ri->rport);
1160 ri->rport = NULL;
1161 starget = ri->starget;
1162 if (starget) {
1163 vtarget = starget->hostdata;
1164 if (vtarget)
1165 vtarget->deleted = 1;
1166 }
1167
1168 pn = (u64)ri->pg0.WWPN.High << 32 |
1169 (u64)ri->pg0.WWPN.Low;
1170 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
1171 "mptfc_rescan.%d: %llx deleted\n",
1172 ioc->name,
1173 ioc->sh->host_no,
1174 (unsigned long long)pn));
1175 }
1176 }
1177}
1178
1179static int
1180mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
1181{
1182 struct Scsi_Host *sh;
1183 MPT_SCSI_HOST *hd;
1184 MPT_ADAPTER *ioc;
1185 unsigned long flags;
1186 int ii;
1187 int numSGE = 0;
1188 int scale;
1189 int ioc_cap;
1190 int error=0;
1191 int r;
1192
1193 if ((r = mpt_attach(pdev,id)) != 0)
1194 return r;
1195
1196 ioc = pci_get_drvdata(pdev);
1197 ioc->DoneCtx = mptfcDoneCtx;
1198 ioc->TaskCtx = mptfcTaskCtx;
1199 ioc->InternalCtx = mptfcInternalCtx;
1200
1201
1202
1203 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
1204 printk(MYIOC_s_WARN_FMT
1205 "Skipping because it's not operational!\n",
1206 ioc->name);
1207 error = -ENODEV;
1208 goto out_mptfc_probe;
1209 }
1210
1211 if (!ioc->active) {
1212 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
1213 ioc->name);
1214 error = -ENODEV;
1215 goto out_mptfc_probe;
1216 }
1217
1218
1219
1220 ioc_cap = 0;
1221 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1222 if (ioc->pfacts[ii].ProtocolFlags &
1223 MPI_PORTFACTS_PROTOCOL_INITIATOR)
1224 ioc_cap ++;
1225 }
1226
1227 if (!ioc_cap) {
1228 printk(MYIOC_s_WARN_FMT
1229 "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
1230 ioc->name, ioc);
1231 return 0;
1232 }
1233
1234 sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST));
1235
1236 if (!sh) {
1237 printk(MYIOC_s_WARN_FMT
1238 "Unable to register controller with SCSI subsystem\n",
1239 ioc->name);
1240 error = -1;
1241 goto out_mptfc_probe;
1242 }
1243
1244 spin_lock_init(&ioc->fc_rescan_work_lock);
1245 INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices);
1246 INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset);
1247 INIT_WORK(&ioc->fc_lsc_work, mptfc_link_status_change);
1248
1249 spin_lock_irqsave(&ioc->FreeQlock, flags);
1250
1251
1252
1253 ioc->sh = sh;
1254
1255 sh->io_port = 0;
1256 sh->n_io_port = 0;
1257 sh->irq = 0;
1258
1259
1260 sh->max_cmd_len = 16;
1261
1262 sh->max_id = ioc->pfacts->MaxDevices;
1263 sh->max_lun = max_lun;
1264
1265
1266
1267 sh->unique_id = ioc->id;
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278 scale = ioc->req_sz/ioc->SGE_size;
1279 if (ioc->sg_addr_size == sizeof(u64)) {
1280 numSGE = (scale - 1) *
1281 (ioc->facts.MaxChainDepth-1) + scale +
1282 (ioc->req_sz - 60) / ioc->SGE_size;
1283 } else {
1284 numSGE = 1 + (scale - 1) *
1285 (ioc->facts.MaxChainDepth-1) + scale +
1286 (ioc->req_sz - 64) / ioc->SGE_size;
1287 }
1288
1289 if (numSGE < sh->sg_tablesize) {
1290
1291 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1292 "Resetting sg_tablesize to %d from %d\n",
1293 ioc->name, numSGE, sh->sg_tablesize));
1294 sh->sg_tablesize = numSGE;
1295 }
1296
1297 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1298
1299 hd = shost_priv(sh);
1300 hd->ioc = ioc;
1301
1302
1303
1304
1305 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
1306 if (!ioc->ScsiLookup) {
1307 error = -ENOMEM;
1308 goto out_mptfc_probe;
1309 }
1310 spin_lock_init(&ioc->scsi_lookup_lock);
1311
1312 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
1313 ioc->name, ioc->ScsiLookup));
1314
1315 hd->last_queue_full = 0;
1316
1317 sh->transportt = mptfc_transport_template;
1318 error = scsi_add_host (sh, &ioc->pcidev->dev);
1319 if(error) {
1320 dprintk(ioc, printk(MYIOC_s_ERR_FMT
1321 "scsi_add_host failed\n", ioc->name));
1322 goto out_mptfc_probe;
1323 }
1324
1325
1326
1327 snprintf(ioc->fc_rescan_work_q_name, sizeof(ioc->fc_rescan_work_q_name),
1328 "mptfc_wq_%d", sh->host_no);
1329 ioc->fc_rescan_work_q =
1330 create_singlethread_workqueue(ioc->fc_rescan_work_q_name);
1331 if (!ioc->fc_rescan_work_q)
1332 goto out_mptfc_probe;
1333
1334
1335
1336
1337
1338 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1339 (void) mptfc_GetFcPortPage0(ioc, ii);
1340 }
1341 mptfc_SetFcPortPage1_defaults(ioc);
1342
1343
1344
1345
1346
1347
1348 queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work);
1349 flush_workqueue(ioc->fc_rescan_work_q);
1350
1351 return 0;
1352
1353out_mptfc_probe:
1354
1355 mptscsih_remove(pdev);
1356 return error;
1357}
1358
1359static struct pci_driver mptfc_driver = {
1360 .name = "mptfc",
1361 .id_table = mptfc_pci_table,
1362 .probe = mptfc_probe,
1363 .remove = __devexit_p(mptfc_remove),
1364 .shutdown = mptscsih_shutdown,
1365#ifdef CONFIG_PM
1366 .suspend = mptscsih_suspend,
1367 .resume = mptscsih_resume,
1368#endif
1369};
1370
1371static int
1372mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
1373{
1374 MPT_SCSI_HOST *hd;
1375 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
1376 unsigned long flags;
1377 int rc=1;
1378
1379 if (ioc->bus_type != FC)
1380 return 0;
1381
1382 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
1383 ioc->name, event));
1384
1385 if (ioc->sh == NULL ||
1386 ((hd = shost_priv(ioc->sh)) == NULL))
1387 return 1;
1388
1389 switch (event) {
1390 case MPI_EVENT_RESCAN:
1391 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1392 if (ioc->fc_rescan_work_q) {
1393 queue_work(ioc->fc_rescan_work_q,
1394 &ioc->fc_rescan_work);
1395 }
1396 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1397 break;
1398 case MPI_EVENT_LINK_STATUS_CHANGE:
1399 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1400 if (ioc->fc_rescan_work_q) {
1401 queue_work(ioc->fc_rescan_work_q,
1402 &ioc->fc_lsc_work);
1403 }
1404 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1405 break;
1406 default:
1407 rc = mptscsih_event_process(ioc,pEvReply);
1408 break;
1409 }
1410 return rc;
1411}
1412
1413static int
1414mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1415{
1416 int rc;
1417 unsigned long flags;
1418
1419 rc = mptscsih_ioc_reset(ioc,reset_phase);
1420 if ((ioc->bus_type != FC) || (!rc))
1421 return rc;
1422
1423
1424 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1425 ": IOC %s_reset routed to FC host driver!\n",ioc->name,
1426 reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
1427 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
1428
1429 if (reset_phase == MPT_IOC_SETUP_RESET) {
1430 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1431 if (ioc->fc_rescan_work_q) {
1432 queue_work(ioc->fc_rescan_work_q,
1433 &ioc->fc_setup_reset_work);
1434 }
1435 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1436 }
1437
1438 else if (reset_phase == MPT_IOC_PRE_RESET) {
1439 }
1440
1441 else {
1442 mptfc_SetFcPortPage1_defaults(ioc);
1443 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1444 if (ioc->fc_rescan_work_q) {
1445 queue_work(ioc->fc_rescan_work_q,
1446 &ioc->fc_rescan_work);
1447 }
1448 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1449 }
1450 return 1;
1451}
1452
1453
1454
1455
1456
1457
1458
1459static int __init
1460mptfc_init(void)
1461{
1462 int error;
1463
1464 show_mptmod_ver(my_NAME, my_VERSION);
1465
1466
1467 if (mptfc_dev_loss_tmo <= 0)
1468 mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;
1469
1470 mptfc_transport_template =
1471 fc_attach_transport(&mptfc_transport_functions);
1472
1473 if (!mptfc_transport_template)
1474 return -ENODEV;
1475
1476 mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER,
1477 "mptscsih_scandv_complete");
1478 mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER,
1479 "mptscsih_scandv_complete");
1480 mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER,
1481 "mptscsih_scandv_complete");
1482
1483 mpt_event_register(mptfcDoneCtx, mptfc_event_process);
1484 mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset);
1485
1486 error = pci_register_driver(&mptfc_driver);
1487 if (error)
1488 fc_release_transport(mptfc_transport_template);
1489
1490 return error;
1491}
1492
1493
1494
1495
1496
1497
1498
1499static void __devexit
1500mptfc_remove(struct pci_dev *pdev)
1501{
1502 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1503 struct mptfc_rport_info *p, *n;
1504 struct workqueue_struct *work_q;
1505 unsigned long flags;
1506 int ii;
1507
1508
1509 if ((work_q=ioc->fc_rescan_work_q)) {
1510 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1511 ioc->fc_rescan_work_q = NULL;
1512 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1513 destroy_workqueue(work_q);
1514 }
1515
1516 fc_remove_host(ioc->sh);
1517
1518 list_for_each_entry_safe(p, n, &ioc->fc_rports, list) {
1519 list_del(&p->list);
1520 kfree(p);
1521 }
1522
1523 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
1524 if (ioc->fc_data.fc_port_page1[ii].data) {
1525 pci_free_consistent(ioc->pcidev,
1526 ioc->fc_data.fc_port_page1[ii].pg_sz,
1527 (u8 *) ioc->fc_data.fc_port_page1[ii].data,
1528 ioc->fc_data.fc_port_page1[ii].dma);
1529 ioc->fc_data.fc_port_page1[ii].data = NULL;
1530 }
1531 }
1532
1533 mptscsih_remove(pdev);
1534}
1535
1536
1537
1538
1539
1540
1541
1542static void __exit
1543mptfc_exit(void)
1544{
1545 pci_unregister_driver(&mptfc_driver);
1546 fc_release_transport(mptfc_transport_template);
1547
1548 mpt_reset_deregister(mptfcDoneCtx);
1549 mpt_event_deregister(mptfcDoneCtx);
1550
1551 mpt_deregister(mptfcInternalCtx);
1552 mpt_deregister(mptfcTaskCtx);
1553 mpt_deregister(mptfcDoneCtx);
1554}
1555
1556module_init(mptfc_init);
1557module_exit(mptfc_exit);
1558
