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56#include <linux/kernel.h>
57#include <linux/init.h>
58#include <linux/module.h>
59#include <linux/firmware.h>
60#include <linux/efi.h>
61#include <asm/string.h>
62#include <scsi/scsi_host.h>
63#include "host.h"
64#include "isci.h"
65#include "task.h"
66#include "probe_roms.h"
67
68#define MAJ 1
69#define MIN 2
70#define BUILD 0
71#define DRV_VERSION __stringify(MAJ) "." __stringify(MIN) "." \
72 __stringify(BUILD)
73
74MODULE_VERSION(DRV_VERSION);
75
76static struct scsi_transport_template *isci_transport_template;
77
78static const struct pci_device_id isci_id_table[] = {
79 { PCI_VDEVICE(INTEL, 0x1D61),},
80 { PCI_VDEVICE(INTEL, 0x1D63),},
81 { PCI_VDEVICE(INTEL, 0x1D65),},
82 { PCI_VDEVICE(INTEL, 0x1D67),},
83 { PCI_VDEVICE(INTEL, 0x1D69),},
84 { PCI_VDEVICE(INTEL, 0x1D6B),},
85 { PCI_VDEVICE(INTEL, 0x1D60),},
86 { PCI_VDEVICE(INTEL, 0x1D62),},
87 { PCI_VDEVICE(INTEL, 0x1D64),},
88 { PCI_VDEVICE(INTEL, 0x1D66),},
89 { PCI_VDEVICE(INTEL, 0x1D68),},
90 { PCI_VDEVICE(INTEL, 0x1D6A),},
91 {}
92};
93
94MODULE_DEVICE_TABLE(pci, isci_id_table);
95
96
97
98unsigned char no_outbound_task_to = 2;
99module_param(no_outbound_task_to, byte, 0);
100MODULE_PARM_DESC(no_outbound_task_to, "No Outbound Task Timeout (1us incr)");
101
102u16 ssp_max_occ_to = 20;
103module_param(ssp_max_occ_to, ushort, 0);
104MODULE_PARM_DESC(ssp_max_occ_to, "SSP Max occupancy timeout (100us incr)");
105
106u16 stp_max_occ_to = 5;
107module_param(stp_max_occ_to, ushort, 0);
108MODULE_PARM_DESC(stp_max_occ_to, "STP Max occupancy timeout (100us incr)");
109
110u16 ssp_inactive_to = 5;
111module_param(ssp_inactive_to, ushort, 0);
112MODULE_PARM_DESC(ssp_inactive_to, "SSP inactivity timeout (100us incr)");
113
114u16 stp_inactive_to = 5;
115module_param(stp_inactive_to, ushort, 0);
116MODULE_PARM_DESC(stp_inactive_to, "STP inactivity timeout (100us incr)");
117
118unsigned char phy_gen = SCIC_SDS_PARM_GEN2_SPEED;
119module_param(phy_gen, byte, 0);
120MODULE_PARM_DESC(phy_gen, "PHY generation (1: 1.5Gbps 2: 3.0Gbps 3: 6.0Gbps)");
121
122unsigned char max_concurr_spinup;
123module_param(max_concurr_spinup, byte, 0);
124MODULE_PARM_DESC(max_concurr_spinup, "Max concurrent device spinup");
125
126uint cable_selection_override = CABLE_OVERRIDE_DISABLED;
127module_param(cable_selection_override, uint, 0);
128
129MODULE_PARM_DESC(cable_selection_override,
130 "This field indicates length of the SAS/SATA cable between "
131 "host and device. If any bits > 15 are set (default) "
132 "indicates \"use platform defaults\"");
133
134static ssize_t isci_show_id(struct device *dev, struct device_attribute *attr, char *buf)
135{
136 struct Scsi_Host *shost = container_of(dev, typeof(*shost), shost_dev);
137 struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
138 struct isci_host *ihost = container_of(sas_ha, typeof(*ihost), sas_ha);
139
140 return snprintf(buf, PAGE_SIZE, "%d\n", ihost->id);
141}
142
143static DEVICE_ATTR(isci_id, S_IRUGO, isci_show_id, NULL);
144
145struct device_attribute *isci_host_attrs[] = {
146 &dev_attr_isci_id,
147 NULL
148};
149
150static struct scsi_host_template isci_sht = {
151
152 .module = THIS_MODULE,
153 .name = DRV_NAME,
154 .proc_name = DRV_NAME,
155 .queuecommand = sas_queuecommand,
156 .dma_need_drain = ata_scsi_dma_need_drain,
157 .target_alloc = sas_target_alloc,
158 .slave_configure = sas_slave_configure,
159 .scan_finished = isci_host_scan_finished,
160 .scan_start = isci_host_start,
161 .change_queue_depth = sas_change_queue_depth,
162 .bios_param = sas_bios_param,
163 .can_queue = ISCI_CAN_QUEUE_VAL,
164 .this_id = -1,
165 .sg_tablesize = SG_ALL,
166 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
167 .eh_abort_handler = sas_eh_abort_handler,
168 .eh_device_reset_handler = sas_eh_device_reset_handler,
169 .eh_target_reset_handler = sas_eh_target_reset_handler,
170 .target_destroy = sas_target_destroy,
171 .ioctl = sas_ioctl,
172#ifdef CONFIG_COMPAT
173 .compat_ioctl = sas_ioctl,
174#endif
175 .shost_attrs = isci_host_attrs,
176 .track_queue_depth = 1,
177};
178
179static struct sas_domain_function_template isci_transport_ops = {
180
181
182 .lldd_port_formed = isci_port_formed,
183 .lldd_port_deformed = isci_port_deformed,
184
185
186 .lldd_dev_found = isci_remote_device_found,
187 .lldd_dev_gone = isci_remote_device_gone,
188
189 .lldd_execute_task = isci_task_execute_task,
190
191 .lldd_abort_task = isci_task_abort_task,
192 .lldd_abort_task_set = isci_task_abort_task_set,
193 .lldd_clear_aca = isci_task_clear_aca,
194 .lldd_clear_task_set = isci_task_clear_task_set,
195 .lldd_I_T_nexus_reset = isci_task_I_T_nexus_reset,
196 .lldd_lu_reset = isci_task_lu_reset,
197 .lldd_query_task = isci_task_query_task,
198
199
200 .lldd_ata_check_ready = isci_ata_check_ready,
201
202
203 .lldd_clear_nexus_port = isci_task_clear_nexus_port,
204 .lldd_clear_nexus_ha = isci_task_clear_nexus_ha,
205
206
207 .lldd_control_phy = isci_phy_control,
208
209
210 .lldd_write_gpio = isci_gpio_write,
211};
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231static int isci_register_sas_ha(struct isci_host *isci_host)
232{
233 int i;
234 struct sas_ha_struct *sas_ha = &(isci_host->sas_ha);
235 struct asd_sas_phy **sas_phys;
236 struct asd_sas_port **sas_ports;
237
238 sas_phys = devm_kcalloc(&isci_host->pdev->dev,
239 SCI_MAX_PHYS, sizeof(void *),
240 GFP_KERNEL);
241 if (!sas_phys)
242 return -ENOMEM;
243
244 sas_ports = devm_kcalloc(&isci_host->pdev->dev,
245 SCI_MAX_PORTS, sizeof(void *),
246 GFP_KERNEL);
247 if (!sas_ports)
248 return -ENOMEM;
249
250 sas_ha->sas_ha_name = DRV_NAME;
251 sas_ha->lldd_module = THIS_MODULE;
252 sas_ha->sas_addr = &isci_host->phys[0].sas_addr[0];
253
254 for (i = 0; i < SCI_MAX_PHYS; i++) {
255 sas_phys[i] = &isci_host->phys[i].sas_phy;
256 sas_ports[i] = &isci_host->sas_ports[i];
257 }
258
259 sas_ha->sas_phy = sas_phys;
260 sas_ha->sas_port = sas_ports;
261 sas_ha->num_phys = SCI_MAX_PHYS;
262
263 sas_ha->strict_wide_ports = 1;
264
265 sas_register_ha(sas_ha);
266
267 return 0;
268}
269
270static void isci_unregister(struct isci_host *isci_host)
271{
272 struct Scsi_Host *shost;
273
274 if (!isci_host)
275 return;
276
277 shost = to_shost(isci_host);
278 sas_unregister_ha(&isci_host->sas_ha);
279
280 sas_remove_host(shost);
281 scsi_host_put(shost);
282}
283
284static int isci_pci_init(struct pci_dev *pdev)
285{
286 int err, bar_num, bar_mask = 0;
287 void __iomem * const *iomap;
288
289 err = pcim_enable_device(pdev);
290 if (err) {
291 dev_err(&pdev->dev,
292 "failed enable PCI device %s!\n",
293 pci_name(pdev));
294 return err;
295 }
296
297 for (bar_num = 0; bar_num < SCI_PCI_BAR_COUNT; bar_num++)
298 bar_mask |= 1 << (bar_num * 2);
299
300 err = pcim_iomap_regions(pdev, bar_mask, DRV_NAME);
301 if (err)
302 return err;
303
304 iomap = pcim_iomap_table(pdev);
305 if (!iomap)
306 return -ENOMEM;
307
308 pci_set_master(pdev);
309
310 err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
311 if (err)
312 err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
313 return err;
314}
315
316static int num_controllers(struct pci_dev *pdev)
317{
318
319
320
321
322 resource_size_t scu_bar_size = pci_resource_len(pdev, SCI_SCU_BAR*2);
323 resource_size_t smu_bar_size = pci_resource_len(pdev, SCI_SMU_BAR*2);
324
325 if (scu_bar_size >= SCI_SCU_BAR_SIZE*SCI_MAX_CONTROLLERS &&
326 smu_bar_size >= SCI_SMU_BAR_SIZE*SCI_MAX_CONTROLLERS)
327 return SCI_MAX_CONTROLLERS;
328 else
329 return 1;
330}
331
332static int isci_setup_interrupts(struct pci_dev *pdev)
333{
334 int err, i, num_msix;
335 struct isci_host *ihost;
336 struct isci_pci_info *pci_info = to_pci_info(pdev);
337
338
339
340
341
342 num_msix = num_controllers(pdev) * SCI_NUM_MSI_X_INT;
343
344 err = pci_alloc_irq_vectors(pdev, num_msix, num_msix, PCI_IRQ_MSIX);
345 if (err < 0)
346 goto intx;
347
348 for (i = 0; i < num_msix; i++) {
349 int id = i / SCI_NUM_MSI_X_INT;
350 irq_handler_t isr;
351
352 ihost = pci_info->hosts[id];
353
354 if (i & 1)
355 isr = isci_error_isr;
356 else
357 isr = isci_msix_isr;
358
359 err = devm_request_irq(&pdev->dev, pci_irq_vector(pdev, i),
360 isr, 0, DRV_NAME"-msix", ihost);
361 if (!err)
362 continue;
363
364 dev_info(&pdev->dev, "msix setup failed falling back to intx\n");
365 while (i--) {
366 id = i / SCI_NUM_MSI_X_INT;
367 ihost = pci_info->hosts[id];
368 devm_free_irq(&pdev->dev, pci_irq_vector(pdev, i),
369 ihost);
370 }
371 pci_free_irq_vectors(pdev);
372 goto intx;
373 }
374 return 0;
375
376 intx:
377 for_each_isci_host(i, ihost, pdev) {
378 err = devm_request_irq(&pdev->dev, pci_irq_vector(pdev, 0),
379 isci_intx_isr, IRQF_SHARED, DRV_NAME"-intx",
380 ihost);
381 if (err)
382 break;
383 }
384 return err;
385}
386
387static void isci_user_parameters_get(struct sci_user_parameters *u)
388{
389 int i;
390
391 for (i = 0; i < SCI_MAX_PHYS; i++) {
392 struct sci_phy_user_params *u_phy = &u->phys[i];
393
394 u_phy->max_speed_generation = phy_gen;
395
396
397 u_phy->align_insertion_frequency = 0x7f;
398 u_phy->in_connection_align_insertion_frequency = 0xff;
399 u_phy->notify_enable_spin_up_insertion_frequency = 0x33;
400 }
401
402 u->stp_inactivity_timeout = stp_inactive_to;
403 u->ssp_inactivity_timeout = ssp_inactive_to;
404 u->stp_max_occupancy_timeout = stp_max_occ_to;
405 u->ssp_max_occupancy_timeout = ssp_max_occ_to;
406 u->no_outbound_task_timeout = no_outbound_task_to;
407 u->max_concurr_spinup = max_concurr_spinup;
408}
409
410static enum sci_status sci_user_parameters_set(struct isci_host *ihost,
411 struct sci_user_parameters *sci_parms)
412{
413 u16 index;
414
415
416
417
418
419 for (index = 0; index < SCI_MAX_PHYS; index++) {
420 struct sci_phy_user_params *u;
421
422 u = &sci_parms->phys[index];
423
424 if (!((u->max_speed_generation <= SCIC_SDS_PARM_MAX_SPEED) &&
425 (u->max_speed_generation > SCIC_SDS_PARM_NO_SPEED)))
426 return SCI_FAILURE_INVALID_PARAMETER_VALUE;
427
428 if ((u->in_connection_align_insertion_frequency < 3) ||
429 (u->align_insertion_frequency == 0) ||
430 (u->notify_enable_spin_up_insertion_frequency == 0))
431 return SCI_FAILURE_INVALID_PARAMETER_VALUE;
432 }
433
434 if ((sci_parms->stp_inactivity_timeout == 0) ||
435 (sci_parms->ssp_inactivity_timeout == 0) ||
436 (sci_parms->stp_max_occupancy_timeout == 0) ||
437 (sci_parms->ssp_max_occupancy_timeout == 0) ||
438 (sci_parms->no_outbound_task_timeout == 0))
439 return SCI_FAILURE_INVALID_PARAMETER_VALUE;
440
441 memcpy(&ihost->user_parameters, sci_parms, sizeof(*sci_parms));
442
443 return SCI_SUCCESS;
444}
445
446static void sci_oem_defaults(struct isci_host *ihost)
447{
448
449 struct sci_user_parameters *user = &ihost->user_parameters;
450 struct sci_oem_params *oem = &ihost->oem_parameters;
451 int i;
452
453
454 oem->controller.mode_type = SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE;
455
456
457 oem->controller.max_concurr_spin_up = 1;
458
459
460 oem->controller.do_enable_ssc = false;
461
462
463 oem->controller.cable_selection_mask = 0;
464
465
466 for (i = 0; i < SCI_MAX_PORTS; i++)
467 oem->ports[i].phy_mask = 0;
468
469
470 for (i = 0; i < SCI_MAX_PHYS; i++) {
471
472 user->phys[i].max_speed_generation = SCIC_SDS_PARM_GEN2_SPEED;
473
474
475 user->phys[i].align_insertion_frequency = 0x7f;
476 user->phys[i].in_connection_align_insertion_frequency = 0xff;
477 user->phys[i].notify_enable_spin_up_insertion_frequency = 0x33;
478
479
480
481
482
483
484 oem->phys[i].sas_address.low = 0x1 + ihost->id;
485 oem->phys[i].sas_address.high = 0x5FCFFFFF;
486 }
487
488 user->stp_inactivity_timeout = 5;
489 user->ssp_inactivity_timeout = 5;
490 user->stp_max_occupancy_timeout = 5;
491 user->ssp_max_occupancy_timeout = 20;
492 user->no_outbound_task_timeout = 2;
493}
494
495static struct isci_host *isci_host_alloc(struct pci_dev *pdev, int id)
496{
497 struct isci_orom *orom = to_pci_info(pdev)->orom;
498 struct sci_user_parameters sci_user_params;
499 u8 oem_version = ISCI_ROM_VER_1_0;
500 struct isci_host *ihost;
501 struct Scsi_Host *shost;
502 int err, i;
503
504 ihost = devm_kzalloc(&pdev->dev, sizeof(*ihost), GFP_KERNEL);
505 if (!ihost)
506 return NULL;
507
508 ihost->pdev = pdev;
509 ihost->id = id;
510 spin_lock_init(&ihost->scic_lock);
511 init_waitqueue_head(&ihost->eventq);
512 ihost->sas_ha.dev = &ihost->pdev->dev;
513 ihost->sas_ha.lldd_ha = ihost;
514 tasklet_init(&ihost->completion_tasklet,
515 isci_host_completion_routine, (unsigned long)ihost);
516
517
518
519 sci_oem_defaults(ihost);
520 isci_user_parameters_get(&sci_user_params);
521 if (sci_user_parameters_set(ihost, &sci_user_params)) {
522 dev_warn(&pdev->dev,
523 "%s: sci_user_parameters_set failed\n", __func__);
524 return NULL;
525 }
526
527
528 if (orom) {
529 if (id < 0 || id >= SCI_MAX_CONTROLLERS || id > orom->hdr.num_elements) {
530 dev_warn(&pdev->dev, "parsing firmware oem parameters failed\n");
531 return NULL;
532 }
533 ihost->oem_parameters = orom->ctrl[id];
534 oem_version = orom->hdr.version;
535 }
536
537
538 if (sci_oem_parameters_validate(&ihost->oem_parameters, oem_version)) {
539 dev_warn(&pdev->dev, "oem parameter validation failed\n");
540 return NULL;
541 }
542
543 for (i = 0; i < SCI_MAX_PORTS; i++) {
544 struct isci_port *iport = &ihost->ports[i];
545
546 INIT_LIST_HEAD(&iport->remote_dev_list);
547 iport->isci_host = ihost;
548 }
549
550 for (i = 0; i < SCI_MAX_PHYS; i++)
551 isci_phy_init(&ihost->phys[i], ihost, i);
552
553 for (i = 0; i < SCI_MAX_REMOTE_DEVICES; i++) {
554 struct isci_remote_device *idev = &ihost->devices[i];
555
556 INIT_LIST_HEAD(&idev->node);
557 }
558
559 shost = scsi_host_alloc(&isci_sht, sizeof(void *));
560 if (!shost)
561 return NULL;
562
563 dev_info(&pdev->dev, "%sSCU controller %d: phy 3-0 cables: "
564 "{%s, %s, %s, %s}\n",
565 (is_cable_select_overridden() ? "* " : ""), ihost->id,
566 lookup_cable_names(decode_cable_selection(ihost, 3)),
567 lookup_cable_names(decode_cable_selection(ihost, 2)),
568 lookup_cable_names(decode_cable_selection(ihost, 1)),
569 lookup_cable_names(decode_cable_selection(ihost, 0)));
570
571 err = isci_host_init(ihost);
572 if (err)
573 goto err_shost;
574
575 SHOST_TO_SAS_HA(shost) = &ihost->sas_ha;
576 ihost->sas_ha.core.shost = shost;
577 shost->transportt = isci_transport_template;
578
579 shost->max_id = ~0;
580 shost->max_lun = ~0;
581 shost->max_cmd_len = MAX_COMMAND_SIZE;
582
583
584 scsi_host_set_prot(shost,
585 SHOST_DIF_TYPE1_PROTECTION |
586 SHOST_DIF_TYPE2_PROTECTION |
587 SHOST_DIF_TYPE3_PROTECTION);
588 scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
589
590 err = scsi_add_host(shost, &pdev->dev);
591 if (err)
592 goto err_shost;
593
594 err = isci_register_sas_ha(ihost);
595 if (err)
596 goto err_shost_remove;
597
598 return ihost;
599
600 err_shost_remove:
601 scsi_remove_host(shost);
602 err_shost:
603 scsi_host_put(shost);
604
605 return NULL;
606}
607
608static int isci_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
609{
610 struct isci_pci_info *pci_info;
611 int err, i;
612 struct isci_host *isci_host;
613 const struct firmware *fw = NULL;
614 struct isci_orom *orom = NULL;
615 char *source = "(platform)";
616
617 dev_info(&pdev->dev, "driver configured for rev: %d silicon\n",
618 pdev->revision);
619
620 pci_info = devm_kzalloc(&pdev->dev, sizeof(*pci_info), GFP_KERNEL);
621 if (!pci_info)
622 return -ENOMEM;
623 pci_set_drvdata(pdev, pci_info);
624
625 if (efi_rt_services_supported(EFI_RT_SUPPORTED_GET_VARIABLE))
626 orom = isci_get_efi_var(pdev);
627
628 if (!orom)
629 orom = isci_request_oprom(pdev);
630
631 for (i = 0; orom && i < num_controllers(pdev); i++) {
632 if (sci_oem_parameters_validate(&orom->ctrl[i],
633 orom->hdr.version)) {
634 dev_warn(&pdev->dev,
635 "[%d]: invalid oem parameters detected, falling back to firmware\n", i);
636 orom = NULL;
637 break;
638 }
639 }
640
641 if (!orom) {
642 source = "(firmware)";
643 orom = isci_request_firmware(pdev, fw);
644 if (!orom) {
645
646
647
648 dev_warn(&pdev->dev,
649 "Loading user firmware failed, using default "
650 "values\n");
651 dev_warn(&pdev->dev,
652 "Default OEM configuration being used: 4 "
653 "narrow ports, and default SAS Addresses\n");
654 }
655 }
656
657 if (orom)
658 dev_info(&pdev->dev,
659 "OEM SAS parameters (version: %u.%u) loaded %s\n",
660 (orom->hdr.version & 0xf0) >> 4,
661 (orom->hdr.version & 0xf), source);
662
663 pci_info->orom = orom;
664
665 err = isci_pci_init(pdev);
666 if (err)
667 return err;
668
669 for (i = 0; i < num_controllers(pdev); i++) {
670 struct isci_host *h = isci_host_alloc(pdev, i);
671
672 if (!h) {
673 err = -ENOMEM;
674 goto err_host_alloc;
675 }
676 pci_info->hosts[i] = h;
677 }
678
679 err = isci_setup_interrupts(pdev);
680 if (err)
681 goto err_host_alloc;
682
683 for_each_isci_host(i, isci_host, pdev)
684 scsi_scan_host(to_shost(isci_host));
685
686 return 0;
687
688 err_host_alloc:
689 for_each_isci_host(i, isci_host, pdev)
690 isci_unregister(isci_host);
691 return err;
692}
693
694static void isci_pci_remove(struct pci_dev *pdev)
695{
696 struct isci_host *ihost;
697 int i;
698
699 for_each_isci_host(i, ihost, pdev) {
700 wait_for_start(ihost);
701 isci_unregister(ihost);
702 isci_host_deinit(ihost);
703 }
704}
705
706#ifdef CONFIG_PM_SLEEP
707static int isci_suspend(struct device *dev)
708{
709 struct pci_dev *pdev = to_pci_dev(dev);
710 struct isci_host *ihost;
711 int i;
712
713 for_each_isci_host(i, ihost, pdev) {
714 sas_suspend_ha(&ihost->sas_ha);
715 isci_host_deinit(ihost);
716 }
717
718 pci_save_state(pdev);
719 pci_disable_device(pdev);
720 pci_set_power_state(pdev, PCI_D3hot);
721
722 return 0;
723}
724
725static int isci_resume(struct device *dev)
726{
727 struct pci_dev *pdev = to_pci_dev(dev);
728 struct isci_host *ihost;
729 int rc, i;
730
731 pci_set_power_state(pdev, PCI_D0);
732 pci_restore_state(pdev);
733
734 rc = pcim_enable_device(pdev);
735 if (rc) {
736 dev_err(&pdev->dev,
737 "enabling device failure after resume(%d)\n", rc);
738 return rc;
739 }
740
741 pci_set_master(pdev);
742
743 for_each_isci_host(i, ihost, pdev) {
744 sas_prep_resume_ha(&ihost->sas_ha);
745
746 isci_host_init(ihost);
747 isci_host_start(ihost->sas_ha.core.shost);
748 wait_for_start(ihost);
749
750 sas_resume_ha(&ihost->sas_ha);
751 }
752
753 return 0;
754}
755#endif
756
757static SIMPLE_DEV_PM_OPS(isci_pm_ops, isci_suspend, isci_resume);
758
759static struct pci_driver isci_pci_driver = {
760 .name = DRV_NAME,
761 .id_table = isci_id_table,
762 .probe = isci_pci_probe,
763 .remove = isci_pci_remove,
764 .driver.pm = &isci_pm_ops,
765};
766
767static __init int isci_init(void)
768{
769 int err;
770
771 pr_info("%s: Intel(R) C600 SAS Controller Driver - version %s\n",
772 DRV_NAME, DRV_VERSION);
773
774 isci_transport_template = sas_domain_attach_transport(&isci_transport_ops);
775 if (!isci_transport_template)
776 return -ENOMEM;
777
778 err = pci_register_driver(&isci_pci_driver);
779 if (err)
780 sas_release_transport(isci_transport_template);
781
782 return err;
783}
784
785static __exit void isci_exit(void)
786{
787 pci_unregister_driver(&isci_pci_driver);
788 sas_release_transport(isci_transport_template);
789}
790
791MODULE_LICENSE("Dual BSD/GPL");
792MODULE_FIRMWARE(ISCI_FW_NAME);
793module_init(isci_init);
794module_exit(isci_exit);
795