1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
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 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 .show_info = mptscsih_show_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_timed_out = fc_eh_timed_out,
123 .eh_abort_handler = mptfc_abort,
124 .eh_device_reset_handler = mptfc_dev_reset,
125 .eh_bus_reset_handler = mptfc_bus_reset,
126 .eh_host_reset_handler = mptfc_host_reset,
127 .bios_param = mptscsih_bios_param,
128 .can_queue = MPT_FC_CAN_QUEUE,
129 .this_id = -1,
130 .sg_tablesize = MPT_SCSI_SG_DEPTH,
131 .max_sectors = 8192,
132 .cmd_per_lun = 7,
133 .use_clustering = ENABLE_CLUSTERING,
134 .shost_attrs = mptscsih_host_attrs,
135};
136
137
138
139
140
141static struct pci_device_id mptfc_pci_table[] = {
142 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC909,
143 PCI_ANY_ID, PCI_ANY_ID },
144 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919,
145 PCI_ANY_ID, PCI_ANY_ID },
146 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929,
147 PCI_ANY_ID, PCI_ANY_ID },
148 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919X,
149 PCI_ANY_ID, PCI_ANY_ID },
150 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929X,
151 PCI_ANY_ID, PCI_ANY_ID },
152 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC939X,
153 PCI_ANY_ID, PCI_ANY_ID },
154 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949X,
155 PCI_ANY_ID, PCI_ANY_ID },
156 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949E,
157 PCI_ANY_ID, PCI_ANY_ID },
158 { PCI_VENDOR_ID_BROCADE, MPI_MANUFACTPAGE_DEVICEID_FC949E,
159 PCI_ANY_ID, PCI_ANY_ID },
160 {0}
161};
162MODULE_DEVICE_TABLE(pci, mptfc_pci_table);
163
164static struct scsi_transport_template *mptfc_transport_template = NULL;
165
166static struct fc_function_template mptfc_transport_functions = {
167 .dd_fcrport_size = 8,
168 .show_host_node_name = 1,
169 .show_host_port_name = 1,
170 .show_host_supported_classes = 1,
171 .show_host_port_id = 1,
172 .show_rport_supported_classes = 1,
173 .show_starget_node_name = 1,
174 .show_starget_port_name = 1,
175 .show_starget_port_id = 1,
176 .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo,
177 .show_rport_dev_loss_tmo = 1,
178 .show_host_supported_speeds = 1,
179 .show_host_maxframe_size = 1,
180 .show_host_speed = 1,
181 .show_host_fabric_name = 1,
182 .show_host_port_type = 1,
183 .show_host_port_state = 1,
184 .show_host_symbolic_name = 1,
185};
186
187static int
188mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
189 int (*func)(struct scsi_cmnd *SCpnt),
190 const char *caller)
191{
192 MPT_SCSI_HOST *hd;
193 struct scsi_device *sdev = SCpnt->device;
194 struct Scsi_Host *shost = sdev->host;
195 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
196 unsigned long flags;
197 int ready;
198 MPT_ADAPTER *ioc;
199 int loops = 40;
200
201 hd = shost_priv(SCpnt->device->host);
202 ioc = hd->ioc;
203 spin_lock_irqsave(shost->host_lock, flags);
204 while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY
205 || (loops > 0 && ioc->active == 0)) {
206 spin_unlock_irqrestore(shost->host_lock, flags);
207 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
208 "mptfc_block_error_handler.%d: %d:%llu, port status is "
209 "%x, active flag %d, deferring %s recovery.\n",
210 ioc->name, ioc->sh->host_no,
211 SCpnt->device->id, SCpnt->device->lun,
212 ready, ioc->active, caller));
213 msleep(1000);
214 spin_lock_irqsave(shost->host_lock, flags);
215 loops --;
216 }
217 spin_unlock_irqrestore(shost->host_lock, flags);
218
219 if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata
220 || ioc->active == 0) {
221 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
222 "%s.%d: %d:%llu, failing recovery, "
223 "port state %x, active %d, vdevice %p.\n", caller,
224 ioc->name, ioc->sh->host_no,
225 SCpnt->device->id, SCpnt->device->lun, ready,
226 ioc->active, SCpnt->device->hostdata));
227 return FAILED;
228 }
229 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
230 "%s.%d: %d:%llu, executing recovery.\n", caller,
231 ioc->name, ioc->sh->host_no,
232 SCpnt->device->id, SCpnt->device->lun));
233 return (*func)(SCpnt);
234}
235
236static int
237mptfc_abort(struct scsi_cmnd *SCpnt)
238{
239 return
240 mptfc_block_error_handler(SCpnt, mptscsih_abort, __func__);
241}
242
243static int
244mptfc_dev_reset(struct scsi_cmnd *SCpnt)
245{
246 return
247 mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __func__);
248}
249
250static int
251mptfc_bus_reset(struct scsi_cmnd *SCpnt)
252{
253 return
254 mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __func__);
255}
256
257static int
258mptfc_host_reset(struct scsi_cmnd *SCpnt)
259{
260 return
261 mptfc_block_error_handler(SCpnt, mptscsih_host_reset, __func__);
262}
263
264static void
265mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
266{
267 if (timeout > 0)
268 rport->dev_loss_tmo = timeout;
269 else
270 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
271}
272
273static int
274mptfc_FcDevPage0_cmp_func(const void *a, const void *b)
275{
276 FCDevicePage0_t **aa = (FCDevicePage0_t **)a;
277 FCDevicePage0_t **bb = (FCDevicePage0_t **)b;
278
279 if ((*aa)->CurrentBus == (*bb)->CurrentBus) {
280 if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID)
281 return 0;
282 if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID)
283 return -1;
284 return 1;
285 }
286 if ((*aa)->CurrentBus < (*bb)->CurrentBus)
287 return -1;
288 return 1;
289}
290
291static int
292mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port,
293 void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg))
294{
295 ConfigPageHeader_t hdr;
296 CONFIGPARMS cfg;
297 FCDevicePage0_t *ppage0_alloc, *fc;
298 dma_addr_t page0_dma;
299 int data_sz;
300 int ii;
301
302 FCDevicePage0_t *p0_array=NULL, *p_p0;
303 FCDevicePage0_t **pp0_array=NULL, **p_pp0;
304
305 int rc = -ENOMEM;
306 U32 port_id = 0xffffff;
307 int num_targ = 0;
308 int max_bus = ioc->facts.MaxBuses;
309 int max_targ;
310
311 max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices;
312
313 data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ;
314 p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL);
315 if (!p0_array)
316 goto out;
317
318 data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ;
319 p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL);
320 if (!pp0_array)
321 goto out;
322
323 do {
324
325 hdr.PageVersion = 0;
326 hdr.PageLength = 0;
327 hdr.PageNumber = 0;
328 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE;
329 cfg.cfghdr.hdr = &hdr;
330 cfg.physAddr = -1;
331 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
332 cfg.dir = 0;
333 cfg.pageAddr = port_id;
334 cfg.timeout = 0;
335
336 if ((rc = mpt_config(ioc, &cfg)) != 0)
337 break;
338
339 if (hdr.PageLength <= 0)
340 break;
341
342 data_sz = hdr.PageLength * 4;
343 ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz,
344 &page0_dma);
345 rc = -ENOMEM;
346 if (!ppage0_alloc)
347 break;
348
349 cfg.physAddr = page0_dma;
350 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
351
352 if ((rc = mpt_config(ioc, &cfg)) == 0) {
353 ppage0_alloc->PortIdentifier =
354 le32_to_cpu(ppage0_alloc->PortIdentifier);
355
356 ppage0_alloc->WWNN.Low =
357 le32_to_cpu(ppage0_alloc->WWNN.Low);
358
359 ppage0_alloc->WWNN.High =
360 le32_to_cpu(ppage0_alloc->WWNN.High);
361
362 ppage0_alloc->WWPN.Low =
363 le32_to_cpu(ppage0_alloc->WWPN.Low);
364
365 ppage0_alloc->WWPN.High =
366 le32_to_cpu(ppage0_alloc->WWPN.High);
367
368 ppage0_alloc->BBCredit =
369 le16_to_cpu(ppage0_alloc->BBCredit);
370
371 ppage0_alloc->MaxRxFrameSize =
372 le16_to_cpu(ppage0_alloc->MaxRxFrameSize);
373
374 port_id = ppage0_alloc->PortIdentifier;
375 num_targ++;
376 *p_p0 = *ppage0_alloc;
377 *p_pp0++ = p_p0++;
378 }
379 pci_free_consistent(ioc->pcidev, data_sz,
380 (u8 *) ppage0_alloc, page0_dma);
381 if (rc != 0)
382 break;
383
384 } while (port_id <= 0xff0000);
385
386 if (num_targ) {
387
388 if (num_targ > 1)
389 sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *),
390 mptfc_FcDevPage0_cmp_func, NULL);
391
392 for (ii = 0; ii < num_targ; ii++) {
393 fc = *(pp0_array+ii);
394 func(ioc, ioc_port, fc);
395 }
396 }
397
398 out:
399 kfree(pp0_array);
400 kfree(p0_array);
401 return rc;
402}
403
404static int
405mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid)
406{
407
408 if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID |
409 MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID))
410 return -1;
411
412 if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID))
413 return -1;
414
415 if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET))
416 return -1;
417
418
419
420
421
422 rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low;
423 rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low;
424 rid->port_id = pg0->PortIdentifier;
425 rid->roles = FC_RPORT_ROLE_UNKNOWN;
426
427 return 0;
428}
429
430static void
431mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
432{
433 struct fc_rport_identifiers rport_ids;
434 struct fc_rport *rport;
435 struct mptfc_rport_info *ri;
436 int new_ri = 1;
437 u64 pn, nn;
438 VirtTarget *vtarget;
439 u32 roles = FC_RPORT_ROLE_UNKNOWN;
440
441 if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0)
442 return;
443
444 roles |= FC_RPORT_ROLE_FCP_TARGET;
445 if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR)
446 roles |= FC_RPORT_ROLE_FCP_INITIATOR;
447
448
449 list_for_each_entry(ri, &ioc->fc_rports, list) {
450 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
451 if (pn == rport_ids.port_name) {
452 list_move_tail(&ri->list, &ioc->fc_rports);
453 new_ri = 0;
454 break;
455 }
456 }
457 if (new_ri) {
458 ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL);
459 if (!ri)
460 return;
461 list_add_tail(&ri->list, &ioc->fc_rports);
462 }
463
464 ri->pg0 = *pg0;
465 ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING;
466
467
468 if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) {
469 ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED;
470 rport = fc_remote_port_add(ioc->sh, channel, &rport_ids);
471 if (rport) {
472 ri->rport = rport;
473 if (new_ri)
474 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
475
476
477
478
479
480 if (ri->starget) {
481 vtarget = ri->starget->hostdata;
482 if (vtarget) {
483 vtarget->id = pg0->CurrentTargetID;
484 vtarget->channel = pg0->CurrentBus;
485 vtarget->deleted = 0;
486 }
487 }
488 *((struct mptfc_rport_info **)rport->dd_data) = ri;
489
490 fc_remote_port_rolechg(rport,roles);
491
492 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
493 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
494 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
495 "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
496 "rport tid %d, tmo %d\n",
497 ioc->name,
498 ioc->sh->host_no,
499 pg0->PortIdentifier,
500 (unsigned long long)nn,
501 (unsigned long long)pn,
502 pg0->CurrentTargetID,
503 ri->rport->scsi_target_id,
504 ri->rport->dev_loss_tmo));
505 } else {
506 list_del(&ri->list);
507 kfree(ri);
508 ri = NULL;
509 }
510 }
511}
512
513
514
515
516
517static void
518mptfc_target_destroy(struct scsi_target *starget)
519{
520 struct fc_rport *rport;
521 struct mptfc_rport_info *ri;
522
523 rport = starget_to_rport(starget);
524 if (rport) {
525 ri = *((struct mptfc_rport_info **)rport->dd_data);
526 if (ri)
527 ri->starget = NULL;
528 }
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(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt)
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 SCpnt->scsi_done(SCpnt);
662 return 0;
663 }
664
665 err = fc_remote_port_chkready(rport);
666 if (unlikely(err)) {
667 SCpnt->result = err;
668 SCpnt->scsi_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 SCpnt->scsi_done(SCpnt);
677 return 0;
678 }
679
680 return mptscsih_qcmd(SCpnt);
681}
682
683
684
685
686
687
688
689
690static void
691mptfc_display_port_link_speed(MPT_ADAPTER *ioc, int portnum, FCPortPage0_t *pp0dest)
692{
693 u8 old_speed, new_speed, state;
694 char *old, *new;
695
696 if (portnum >= 2)
697 return;
698
699 old_speed = ioc->fc_link_speed[portnum];
700 new_speed = pp0dest->CurrentSpeed;
701 state = pp0dest->PortState;
702
703 if (state != MPI_FCPORTPAGE0_PORTSTATE_OFFLINE &&
704 new_speed != MPI_FCPORTPAGE0_CURRENT_SPEED_UKNOWN) {
705
706 old = old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
707 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
708 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
709 "Unknown";
710 new = new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
711 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
712 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
713 "Unknown";
714 if (old_speed == 0)
715 printk(MYIOC_s_NOTE_FMT
716 "FC Link Established, Speed = %s\n",
717 ioc->name, new);
718 else if (old_speed != new_speed)
719 printk(MYIOC_s_WARN_FMT
720 "FC Link Speed Change, Old Speed = %s, New Speed = %s\n",
721 ioc->name, old, new);
722
723 ioc->fc_link_speed[portnum] = new_speed;
724 }
725}
726
727
728
729
730
731
732
733
734
735
736
737
738
739static int
740mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
741{
742 ConfigPageHeader_t hdr;
743 CONFIGPARMS cfg;
744 FCPortPage0_t *ppage0_alloc;
745 FCPortPage0_t *pp0dest;
746 dma_addr_t page0_dma;
747 int data_sz;
748 int copy_sz;
749 int rc;
750 int count = 400;
751
752 if (portnum > 1)
753 return -EINVAL;
754
755
756 hdr.PageVersion = 0;
757 hdr.PageLength = 0;
758 hdr.PageNumber = 0;
759 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
760 cfg.cfghdr.hdr = &hdr;
761 cfg.physAddr = -1;
762 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
763 cfg.dir = 0;
764 cfg.pageAddr = portnum;
765 cfg.timeout = 0;
766
767 if ((rc = mpt_config(ioc, &cfg)) != 0)
768 return rc;
769
770 if (hdr.PageLength == 0)
771 return 0;
772
773 data_sz = hdr.PageLength * 4;
774 rc = -ENOMEM;
775 ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
776 if (ppage0_alloc) {
777
778 try_again:
779 memset((u8 *)ppage0_alloc, 0, data_sz);
780 cfg.physAddr = page0_dma;
781 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
782
783 if ((rc = mpt_config(ioc, &cfg)) == 0) {
784
785 pp0dest = &ioc->fc_port_page0[portnum];
786 copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz);
787 memcpy(pp0dest, ppage0_alloc, copy_sz);
788
789
790
791
792
793 pp0dest->Flags = le32_to_cpu(pp0dest->Flags);
794 pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier);
795 pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low);
796 pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High);
797 pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low);
798 pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High);
799 pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass);
800 pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds);
801 pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed);
802 pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize);
803 pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low);
804 pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High);
805 pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low);
806 pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High);
807 pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
808 pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
809
810
811
812
813
814 if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) ||
815 (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE &&
816 (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK)
817 == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) {
818 if (count-- > 0) {
819 msleep(100);
820 goto try_again;
821 }
822 printk(MYIOC_s_INFO_FMT "Firmware discovery not"
823 " complete.\n",
824 ioc->name);
825 }
826 mptfc_display_port_link_speed(ioc, portnum, pp0dest);
827 }
828
829 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
830 }
831
832 return rc;
833}
834
835static int
836mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum)
837{
838 ConfigPageHeader_t hdr;
839 CONFIGPARMS cfg;
840 int rc;
841
842 if (portnum > 1)
843 return -EINVAL;
844
845 if (!(ioc->fc_data.fc_port_page1[portnum].data))
846 return -EINVAL;
847
848
849 hdr.PageVersion = 0;
850 hdr.PageLength = 0;
851 hdr.PageNumber = 1;
852 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
853 cfg.cfghdr.hdr = &hdr;
854 cfg.physAddr = -1;
855 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
856 cfg.dir = 0;
857 cfg.pageAddr = portnum;
858 cfg.timeout = 0;
859
860 if ((rc = mpt_config(ioc, &cfg)) != 0)
861 return rc;
862
863 if (hdr.PageLength == 0)
864 return -ENODEV;
865
866 if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz)
867 return -EINVAL;
868
869 cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma;
870 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
871 cfg.dir = 1;
872
873 rc = mpt_config(ioc, &cfg);
874
875 return rc;
876}
877
878static int
879mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum)
880{
881 ConfigPageHeader_t hdr;
882 CONFIGPARMS cfg;
883 FCPortPage1_t *page1_alloc;
884 dma_addr_t page1_dma;
885 int data_sz;
886 int rc;
887
888 if (portnum > 1)
889 return -EINVAL;
890
891
892 hdr.PageVersion = 0;
893 hdr.PageLength = 0;
894 hdr.PageNumber = 1;
895 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
896 cfg.cfghdr.hdr = &hdr;
897 cfg.physAddr = -1;
898 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
899 cfg.dir = 0;
900 cfg.pageAddr = portnum;
901 cfg.timeout = 0;
902
903 if ((rc = mpt_config(ioc, &cfg)) != 0)
904 return rc;
905
906 if (hdr.PageLength == 0)
907 return -ENODEV;
908
909start_over:
910
911 if (ioc->fc_data.fc_port_page1[portnum].data == NULL) {
912 data_sz = hdr.PageLength * 4;
913 if (data_sz < sizeof(FCPortPage1_t))
914 data_sz = sizeof(FCPortPage1_t);
915
916 page1_alloc = (FCPortPage1_t *) pci_alloc_consistent(ioc->pcidev,
917 data_sz,
918 &page1_dma);
919 if (!page1_alloc)
920 return -ENOMEM;
921 }
922 else {
923 page1_alloc = ioc->fc_data.fc_port_page1[portnum].data;
924 page1_dma = ioc->fc_data.fc_port_page1[portnum].dma;
925 data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz;
926 if (hdr.PageLength * 4 > data_sz) {
927 ioc->fc_data.fc_port_page1[portnum].data = NULL;
928 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
929 page1_alloc, page1_dma);
930 goto start_over;
931 }
932 }
933
934 memset(page1_alloc,0,data_sz);
935
936 cfg.physAddr = page1_dma;
937 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
938
939 if ((rc = mpt_config(ioc, &cfg)) == 0) {
940 ioc->fc_data.fc_port_page1[portnum].data = page1_alloc;
941 ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz;
942 ioc->fc_data.fc_port_page1[portnum].dma = page1_dma;
943 }
944 else {
945 ioc->fc_data.fc_port_page1[portnum].data = NULL;
946 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
947 page1_alloc, page1_dma);
948 }
949
950 return rc;
951}
952
953static void
954mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc)
955{
956 int ii;
957 FCPortPage1_t *pp1;
958
959 #define MPTFC_FW_DEVICE_TIMEOUT (1)
960 #define MPTFC_FW_IO_PEND_TIMEOUT (1)
961 #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY)
962 #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS)
963
964 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
965 if (mptfc_GetFcPortPage1(ioc, ii) != 0)
966 continue;
967 pp1 = ioc->fc_data.fc_port_page1[ii].data;
968 if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT)
969 && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT)
970 && ((pp1->Flags & ON_FLAGS) == ON_FLAGS)
971 && ((pp1->Flags & OFF_FLAGS) == 0))
972 continue;
973 pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT;
974 pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT;
975 pp1->Flags &= ~OFF_FLAGS;
976 pp1->Flags |= ON_FLAGS;
977 mptfc_WriteFcPortPage1(ioc, ii);
978 }
979}
980
981
982static void
983mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
984{
985 unsigned class = 0;
986 unsigned cos = 0;
987 unsigned speed;
988 unsigned port_type;
989 unsigned port_state;
990 FCPortPage0_t *pp0;
991 struct Scsi_Host *sh;
992 char *sn;
993
994
995 if (portnum != 0)
996 return;
997
998 pp0 = &ioc->fc_port_page0[portnum];
999 sh = ioc->sh;
1000
1001 sn = fc_host_symbolic_name(sh);
1002 snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh",
1003 ioc->prod_name,
1004 MPT_FW_REV_MAGIC_ID_STRING,
1005 ioc->facts.FWVersion.Word);
1006
1007 fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN;
1008
1009 fc_host_maxframe_size(sh) = pp0->MaxFrameSize;
1010
1011 fc_host_node_name(sh) =
1012 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1013
1014 fc_host_port_name(sh) =
1015 (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low;
1016
1017 fc_host_port_id(sh) = pp0->PortIdentifier;
1018
1019 class = pp0->SupportedServiceClass;
1020 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1)
1021 cos |= FC_COS_CLASS1;
1022 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2)
1023 cos |= FC_COS_CLASS2;
1024 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3)
1025 cos |= FC_COS_CLASS3;
1026 fc_host_supported_classes(sh) = cos;
1027
1028 if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT)
1029 speed = FC_PORTSPEED_1GBIT;
1030 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT)
1031 speed = FC_PORTSPEED_2GBIT;
1032 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT)
1033 speed = FC_PORTSPEED_4GBIT;
1034 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT)
1035 speed = FC_PORTSPEED_10GBIT;
1036 else
1037 speed = FC_PORTSPEED_UNKNOWN;
1038 fc_host_speed(sh) = speed;
1039
1040 speed = 0;
1041 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED)
1042 speed |= FC_PORTSPEED_1GBIT;
1043 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED)
1044 speed |= FC_PORTSPEED_2GBIT;
1045 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED)
1046 speed |= FC_PORTSPEED_4GBIT;
1047 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED)
1048 speed |= FC_PORTSPEED_10GBIT;
1049 fc_host_supported_speeds(sh) = speed;
1050
1051 port_state = FC_PORTSTATE_UNKNOWN;
1052 if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE)
1053 port_state = FC_PORTSTATE_ONLINE;
1054 else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE)
1055 port_state = FC_PORTSTATE_LINKDOWN;
1056 fc_host_port_state(sh) = port_state;
1057
1058 port_type = FC_PORTTYPE_UNKNOWN;
1059 if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT)
1060 port_type = FC_PORTTYPE_PTP;
1061 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP)
1062 port_type = FC_PORTTYPE_LPORT;
1063 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP)
1064 port_type = FC_PORTTYPE_NLPORT;
1065 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT)
1066 port_type = FC_PORTTYPE_NPORT;
1067 fc_host_port_type(sh) = port_type;
1068
1069 fc_host_fabric_name(sh) =
1070 (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ?
1071 (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low :
1072 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1073
1074}
1075
1076static void
1077mptfc_link_status_change(struct work_struct *work)
1078{
1079 MPT_ADAPTER *ioc =
1080 container_of(work, MPT_ADAPTER, fc_rescan_work);
1081 int ii;
1082
1083 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++)
1084 (void) mptfc_GetFcPortPage0(ioc, ii);
1085
1086}
1087
1088static void
1089mptfc_setup_reset(struct work_struct *work)
1090{
1091 MPT_ADAPTER *ioc =
1092 container_of(work, MPT_ADAPTER, fc_setup_reset_work);
1093 u64 pn;
1094 struct mptfc_rport_info *ri;
1095 struct scsi_target *starget;
1096 VirtTarget *vtarget;
1097
1098
1099 list_for_each_entry(ri, &ioc->fc_rports, list) {
1100 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1101 ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED;
1102 fc_remote_port_delete(ri->rport);
1103 ri->rport = NULL;
1104 starget = ri->starget;
1105 if (starget) {
1106 vtarget = starget->hostdata;
1107 if (vtarget)
1108 vtarget->deleted = 1;
1109 }
1110
1111 pn = (u64)ri->pg0.WWPN.High << 32 |
1112 (u64)ri->pg0.WWPN.Low;
1113 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
1114 "mptfc_setup_reset.%d: %llx deleted\n",
1115 ioc->name,
1116 ioc->sh->host_no,
1117 (unsigned long long)pn));
1118 }
1119 }
1120}
1121
1122static void
1123mptfc_rescan_devices(struct work_struct *work)
1124{
1125 MPT_ADAPTER *ioc =
1126 container_of(work, MPT_ADAPTER, fc_rescan_work);
1127 int ii;
1128 u64 pn;
1129 struct mptfc_rport_info *ri;
1130 struct scsi_target *starget;
1131 VirtTarget *vtarget;
1132
1133
1134 list_for_each_entry(ri, &ioc->fc_rports, list) {
1135 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1136 ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING;
1137 }
1138 }
1139
1140
1141
1142
1143
1144 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1145 (void) mptfc_GetFcPortPage0(ioc, ii);
1146 mptfc_init_host_attr(ioc, ii);
1147 mptfc_GetFcDevPage0(ioc, ii, mptfc_register_dev);
1148 }
1149
1150
1151 list_for_each_entry(ri, &ioc->fc_rports, list) {
1152
1153 if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) {
1154
1155 ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
1156 MPT_RPORT_INFO_FLAGS_MISSING);
1157 fc_remote_port_delete(ri->rport);
1158 ri->rport = NULL;
1159 starget = ri->starget;
1160 if (starget) {
1161 vtarget = starget->hostdata;
1162 if (vtarget)
1163 vtarget->deleted = 1;
1164 }
1165
1166 pn = (u64)ri->pg0.WWPN.High << 32 |
1167 (u64)ri->pg0.WWPN.Low;
1168 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
1169 "mptfc_rescan.%d: %llx deleted\n",
1170 ioc->name,
1171 ioc->sh->host_no,
1172 (unsigned long long)pn));
1173 }
1174 }
1175}
1176
1177static int
1178mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
1179{
1180 struct Scsi_Host *sh;
1181 MPT_SCSI_HOST *hd;
1182 MPT_ADAPTER *ioc;
1183 unsigned long flags;
1184 int ii;
1185 int numSGE = 0;
1186 int scale;
1187 int ioc_cap;
1188 int error=0;
1189 int r;
1190
1191 if ((r = mpt_attach(pdev,id)) != 0)
1192 return r;
1193
1194 ioc = pci_get_drvdata(pdev);
1195 ioc->DoneCtx = mptfcDoneCtx;
1196 ioc->TaskCtx = mptfcTaskCtx;
1197 ioc->InternalCtx = mptfcInternalCtx;
1198
1199
1200
1201 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
1202 printk(MYIOC_s_WARN_FMT
1203 "Skipping because it's not operational!\n",
1204 ioc->name);
1205 error = -ENODEV;
1206 goto out_mptfc_probe;
1207 }
1208
1209 if (!ioc->active) {
1210 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
1211 ioc->name);
1212 error = -ENODEV;
1213 goto out_mptfc_probe;
1214 }
1215
1216
1217
1218 ioc_cap = 0;
1219 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1220 if (ioc->pfacts[ii].ProtocolFlags &
1221 MPI_PORTFACTS_PROTOCOL_INITIATOR)
1222 ioc_cap ++;
1223 }
1224
1225 if (!ioc_cap) {
1226 printk(MYIOC_s_WARN_FMT
1227 "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
1228 ioc->name, ioc);
1229 return 0;
1230 }
1231
1232 sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST));
1233
1234 if (!sh) {
1235 printk(MYIOC_s_WARN_FMT
1236 "Unable to register controller with SCSI subsystem\n",
1237 ioc->name);
1238 error = -1;
1239 goto out_mptfc_probe;
1240 }
1241
1242 spin_lock_init(&ioc->fc_rescan_work_lock);
1243 INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices);
1244 INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset);
1245 INIT_WORK(&ioc->fc_lsc_work, mptfc_link_status_change);
1246
1247 spin_lock_irqsave(&ioc->FreeQlock, flags);
1248
1249
1250
1251 ioc->sh = sh;
1252
1253 sh->io_port = 0;
1254 sh->n_io_port = 0;
1255 sh->irq = 0;
1256
1257
1258 sh->max_cmd_len = 16;
1259
1260 sh->max_id = ioc->pfacts->MaxDevices;
1261 sh->max_lun = max_lun;
1262
1263
1264
1265 sh->unique_id = ioc->id;
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276 scale = ioc->req_sz/ioc->SGE_size;
1277 if (ioc->sg_addr_size == sizeof(u64)) {
1278 numSGE = (scale - 1) *
1279 (ioc->facts.MaxChainDepth-1) + scale +
1280 (ioc->req_sz - 60) / ioc->SGE_size;
1281 } else {
1282 numSGE = 1 + (scale - 1) *
1283 (ioc->facts.MaxChainDepth-1) + scale +
1284 (ioc->req_sz - 64) / ioc->SGE_size;
1285 }
1286
1287 if (numSGE < sh->sg_tablesize) {
1288
1289 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1290 "Resetting sg_tablesize to %d from %d\n",
1291 ioc->name, numSGE, sh->sg_tablesize));
1292 sh->sg_tablesize = numSGE;
1293 }
1294
1295 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1296
1297 hd = shost_priv(sh);
1298 hd->ioc = ioc;
1299
1300
1301
1302
1303 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
1304 if (!ioc->ScsiLookup) {
1305 error = -ENOMEM;
1306 goto out_mptfc_probe;
1307 }
1308 spin_lock_init(&ioc->scsi_lookup_lock);
1309
1310 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
1311 ioc->name, ioc->ScsiLookup));
1312
1313 hd->last_queue_full = 0;
1314
1315 sh->transportt = mptfc_transport_template;
1316 error = scsi_add_host (sh, &ioc->pcidev->dev);
1317 if(error) {
1318 dprintk(ioc, printk(MYIOC_s_ERR_FMT
1319 "scsi_add_host failed\n", ioc->name));
1320 goto out_mptfc_probe;
1321 }
1322
1323
1324
1325 snprintf(ioc->fc_rescan_work_q_name, sizeof(ioc->fc_rescan_work_q_name),
1326 "mptfc_wq_%d", sh->host_no);
1327 ioc->fc_rescan_work_q =
1328 alloc_ordered_workqueue(ioc->fc_rescan_work_q_name,
1329 WQ_MEM_RECLAIM);
1330 if (!ioc->fc_rescan_work_q) {
1331 error = -ENOMEM;
1332 goto out_mptfc_host;
1333 }
1334
1335
1336
1337
1338
1339 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1340 (void) mptfc_GetFcPortPage0(ioc, ii);
1341 }
1342 mptfc_SetFcPortPage1_defaults(ioc);
1343
1344
1345
1346
1347
1348
1349 queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work);
1350 flush_workqueue(ioc->fc_rescan_work_q);
1351
1352 return 0;
1353
1354out_mptfc_host:
1355 scsi_remove_host(sh);
1356
1357out_mptfc_probe:
1358
1359 mptscsih_remove(pdev);
1360 return error;
1361}
1362
1363static struct pci_driver mptfc_driver = {
1364 .name = "mptfc",
1365 .id_table = mptfc_pci_table,
1366 .probe = mptfc_probe,
1367 .remove = mptfc_remove,
1368 .shutdown = mptscsih_shutdown,
1369#ifdef CONFIG_PM
1370 .suspend = mptscsih_suspend,
1371 .resume = mptscsih_resume,
1372#endif
1373};
1374
1375static int
1376mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
1377{
1378 MPT_SCSI_HOST *hd;
1379 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
1380 unsigned long flags;
1381 int rc=1;
1382
1383 if (ioc->bus_type != FC)
1384 return 0;
1385
1386 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
1387 ioc->name, event));
1388
1389 if (ioc->sh == NULL ||
1390 ((hd = shost_priv(ioc->sh)) == NULL))
1391 return 1;
1392
1393 switch (event) {
1394 case MPI_EVENT_RESCAN:
1395 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1396 if (ioc->fc_rescan_work_q) {
1397 queue_work(ioc->fc_rescan_work_q,
1398 &ioc->fc_rescan_work);
1399 }
1400 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1401 break;
1402 case MPI_EVENT_LINK_STATUS_CHANGE:
1403 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1404 if (ioc->fc_rescan_work_q) {
1405 queue_work(ioc->fc_rescan_work_q,
1406 &ioc->fc_lsc_work);
1407 }
1408 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1409 break;
1410 default:
1411 rc = mptscsih_event_process(ioc,pEvReply);
1412 break;
1413 }
1414 return rc;
1415}
1416
1417static int
1418mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1419{
1420 int rc;
1421 unsigned long flags;
1422
1423 rc = mptscsih_ioc_reset(ioc,reset_phase);
1424 if ((ioc->bus_type != FC) || (!rc))
1425 return rc;
1426
1427
1428 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1429 ": IOC %s_reset routed to FC host driver!\n",ioc->name,
1430 reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
1431 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
1432
1433 if (reset_phase == MPT_IOC_SETUP_RESET) {
1434 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1435 if (ioc->fc_rescan_work_q) {
1436 queue_work(ioc->fc_rescan_work_q,
1437 &ioc->fc_setup_reset_work);
1438 }
1439 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1440 }
1441
1442 else if (reset_phase == MPT_IOC_PRE_RESET) {
1443 }
1444
1445 else {
1446 mptfc_SetFcPortPage1_defaults(ioc);
1447 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1448 if (ioc->fc_rescan_work_q) {
1449 queue_work(ioc->fc_rescan_work_q,
1450 &ioc->fc_rescan_work);
1451 }
1452 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1453 }
1454 return 1;
1455}
1456
1457
1458
1459
1460
1461
1462
1463static int __init
1464mptfc_init(void)
1465{
1466 int error;
1467
1468 show_mptmod_ver(my_NAME, my_VERSION);
1469
1470
1471 if (mptfc_dev_loss_tmo <= 0)
1472 mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;
1473
1474 mptfc_transport_template =
1475 fc_attach_transport(&mptfc_transport_functions);
1476
1477 if (!mptfc_transport_template)
1478 return -ENODEV;
1479
1480 mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER,
1481 "mptscsih_scandv_complete");
1482 mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER,
1483 "mptscsih_scandv_complete");
1484 mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER,
1485 "mptscsih_scandv_complete");
1486
1487 mpt_event_register(mptfcDoneCtx, mptfc_event_process);
1488 mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset);
1489
1490 error = pci_register_driver(&mptfc_driver);
1491 if (error)
1492 fc_release_transport(mptfc_transport_template);
1493
1494 return error;
1495}
1496
1497
1498
1499
1500
1501
1502
1503static void mptfc_remove(struct pci_dev *pdev)
1504{
1505 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1506 struct mptfc_rport_info *p, *n;
1507 struct workqueue_struct *work_q;
1508 unsigned long flags;
1509 int ii;
1510
1511
1512 if ((work_q=ioc->fc_rescan_work_q)) {
1513 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1514 ioc->fc_rescan_work_q = NULL;
1515 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1516 destroy_workqueue(work_q);
1517 }
1518
1519 fc_remove_host(ioc->sh);
1520
1521 list_for_each_entry_safe(p, n, &ioc->fc_rports, list) {
1522 list_del(&p->list);
1523 kfree(p);
1524 }
1525
1526 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
1527 if (ioc->fc_data.fc_port_page1[ii].data) {
1528 pci_free_consistent(ioc->pcidev,
1529 ioc->fc_data.fc_port_page1[ii].pg_sz,
1530 (u8 *) ioc->fc_data.fc_port_page1[ii].data,
1531 ioc->fc_data.fc_port_page1[ii].dma);
1532 ioc->fc_data.fc_port_page1[ii].data = NULL;
1533 }
1534 }
1535
1536 scsi_remove_host(ioc->sh);
1537
1538 mptscsih_remove(pdev);
1539}
1540
1541
1542
1543
1544
1545
1546
1547static void __exit
1548mptfc_exit(void)
1549{
1550 pci_unregister_driver(&mptfc_driver);
1551 fc_release_transport(mptfc_transport_template);
1552
1553 mpt_reset_deregister(mptfcDoneCtx);
1554 mpt_event_deregister(mptfcDoneCtx);
1555
1556 mpt_deregister(mptfcInternalCtx);
1557 mpt_deregister(mptfcTaskCtx);
1558 mpt_deregister(mptfcDoneCtx);
1559}
1560
1561module_init(mptfc_init);
1562module_exit(mptfc_exit);
1563
