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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 .target_alloc = sas_target_alloc,
157 .slave_configure = sas_slave_configure,
158 .scan_finished = isci_host_scan_finished,
159 .scan_start = isci_host_start,
160 .change_queue_depth = sas_change_queue_depth,
161 .bios_param = sas_bios_param,
162 .can_queue = ISCI_CAN_QUEUE_VAL,
163 .cmd_per_lun = 1,
164 .this_id = -1,
165 .sg_tablesize = SG_ALL,
166 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
167 .use_clustering = ENABLE_CLUSTERING,
168 .eh_abort_handler = sas_eh_abort_handler,
169 .eh_device_reset_handler = sas_eh_device_reset_handler,
170 .eh_bus_reset_handler = sas_eh_bus_reset_handler,
171 .target_destroy = sas_target_destroy,
172 .ioctl = sas_ioctl,
173 .shost_attrs = isci_host_attrs,
174 .use_blk_tags = 1,
175 .track_queue_depth = 1,
176};
177
178static struct sas_domain_function_template isci_transport_ops = {
179
180
181 .lldd_port_formed = isci_port_formed,
182 .lldd_port_deformed = isci_port_deformed,
183
184
185 .lldd_dev_found = isci_remote_device_found,
186 .lldd_dev_gone = isci_remote_device_gone,
187
188 .lldd_execute_task = isci_task_execute_task,
189
190 .lldd_abort_task = isci_task_abort_task,
191 .lldd_abort_task_set = isci_task_abort_task_set,
192 .lldd_clear_aca = isci_task_clear_aca,
193 .lldd_clear_task_set = isci_task_clear_task_set,
194 .lldd_I_T_nexus_reset = isci_task_I_T_nexus_reset,
195 .lldd_lu_reset = isci_task_lu_reset,
196 .lldd_query_task = isci_task_query_task,
197
198
199 .lldd_ata_check_ready = isci_ata_check_ready,
200
201
202 .lldd_clear_nexus_port = isci_task_clear_nexus_port,
203 .lldd_clear_nexus_ha = isci_task_clear_nexus_ha,
204
205
206 .lldd_control_phy = isci_phy_control,
207
208
209 .lldd_write_gpio = isci_gpio_write,
210};
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230static int isci_register_sas_ha(struct isci_host *isci_host)
231{
232 int i;
233 struct sas_ha_struct *sas_ha = &(isci_host->sas_ha);
234 struct asd_sas_phy **sas_phys;
235 struct asd_sas_port **sas_ports;
236
237 sas_phys = devm_kzalloc(&isci_host->pdev->dev,
238 SCI_MAX_PHYS * sizeof(void *),
239 GFP_KERNEL);
240 if (!sas_phys)
241 return -ENOMEM;
242
243 sas_ports = devm_kzalloc(&isci_host->pdev->dev,
244 SCI_MAX_PORTS * sizeof(void *),
245 GFP_KERNEL);
246 if (!sas_ports)
247 return -ENOMEM;
248
249 sas_ha->sas_ha_name = DRV_NAME;
250 sas_ha->lldd_module = THIS_MODULE;
251 sas_ha->sas_addr = &isci_host->phys[0].sas_addr[0];
252
253 for (i = 0; i < SCI_MAX_PHYS; i++) {
254 sas_phys[i] = &isci_host->phys[i].sas_phy;
255 sas_ports[i] = &isci_host->sas_ports[i];
256 }
257
258 sas_ha->sas_phy = sas_phys;
259 sas_ha->sas_port = sas_ports;
260 sas_ha->num_phys = SCI_MAX_PHYS;
261
262 sas_ha->strict_wide_ports = 1;
263
264 sas_register_ha(sas_ha);
265
266 return 0;
267}
268
269static void isci_unregister(struct isci_host *isci_host)
270{
271 struct Scsi_Host *shost;
272
273 if (!isci_host)
274 return;
275
276 sas_unregister_ha(&isci_host->sas_ha);
277
278 shost = to_shost(isci_host);
279 sas_remove_host(shost);
280 scsi_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 = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
311 if (err) {
312 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
313 if (err)
314 return err;
315 }
316
317 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
318 if (err) {
319 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
320 if (err)
321 return err;
322 }
323
324 return 0;
325}
326
327static int num_controllers(struct pci_dev *pdev)
328{
329
330
331
332
333 resource_size_t scu_bar_size = pci_resource_len(pdev, SCI_SCU_BAR*2);
334 resource_size_t smu_bar_size = pci_resource_len(pdev, SCI_SMU_BAR*2);
335
336 if (scu_bar_size >= SCI_SCU_BAR_SIZE*SCI_MAX_CONTROLLERS &&
337 smu_bar_size >= SCI_SMU_BAR_SIZE*SCI_MAX_CONTROLLERS)
338 return SCI_MAX_CONTROLLERS;
339 else
340 return 1;
341}
342
343static int isci_setup_interrupts(struct pci_dev *pdev)
344{
345 int err, i, num_msix;
346 struct isci_host *ihost;
347 struct isci_pci_info *pci_info = to_pci_info(pdev);
348
349
350
351
352
353 num_msix = num_controllers(pdev) * SCI_NUM_MSI_X_INT;
354
355 for (i = 0; i < num_msix; i++)
356 pci_info->msix_entries[i].entry = i;
357
358 err = pci_enable_msix_exact(pdev, pci_info->msix_entries, num_msix);
359 if (err)
360 goto intx;
361
362 for (i = 0; i < num_msix; i++) {
363 int id = i / SCI_NUM_MSI_X_INT;
364 struct msix_entry *msix = &pci_info->msix_entries[i];
365 irq_handler_t isr;
366
367 ihost = pci_info->hosts[id];
368
369 if (i & 1)
370 isr = isci_error_isr;
371 else
372 isr = isci_msix_isr;
373
374 err = devm_request_irq(&pdev->dev, msix->vector, isr, 0,
375 DRV_NAME"-msix", ihost);
376 if (!err)
377 continue;
378
379 dev_info(&pdev->dev, "msix setup failed falling back to intx\n");
380 while (i--) {
381 id = i / SCI_NUM_MSI_X_INT;
382 ihost = pci_info->hosts[id];
383 msix = &pci_info->msix_entries[i];
384 devm_free_irq(&pdev->dev, msix->vector, ihost);
385 }
386 pci_disable_msix(pdev);
387 goto intx;
388 }
389 return 0;
390
391 intx:
392 for_each_isci_host(i, ihost, pdev) {
393 err = devm_request_irq(&pdev->dev, pdev->irq, isci_intx_isr,
394 IRQF_SHARED, DRV_NAME"-intx", ihost);
395 if (err)
396 break;
397 }
398 return err;
399}
400
401static void isci_user_parameters_get(struct sci_user_parameters *u)
402{
403 int i;
404
405 for (i = 0; i < SCI_MAX_PHYS; i++) {
406 struct sci_phy_user_params *u_phy = &u->phys[i];
407
408 u_phy->max_speed_generation = phy_gen;
409
410
411 u_phy->align_insertion_frequency = 0x7f;
412 u_phy->in_connection_align_insertion_frequency = 0xff;
413 u_phy->notify_enable_spin_up_insertion_frequency = 0x33;
414 }
415
416 u->stp_inactivity_timeout = stp_inactive_to;
417 u->ssp_inactivity_timeout = ssp_inactive_to;
418 u->stp_max_occupancy_timeout = stp_max_occ_to;
419 u->ssp_max_occupancy_timeout = ssp_max_occ_to;
420 u->no_outbound_task_timeout = no_outbound_task_to;
421 u->max_concurr_spinup = max_concurr_spinup;
422}
423
424static enum sci_status sci_user_parameters_set(struct isci_host *ihost,
425 struct sci_user_parameters *sci_parms)
426{
427 u16 index;
428
429
430
431
432
433 for (index = 0; index < SCI_MAX_PHYS; index++) {
434 struct sci_phy_user_params *u;
435
436 u = &sci_parms->phys[index];
437
438 if (!((u->max_speed_generation <= SCIC_SDS_PARM_MAX_SPEED) &&
439 (u->max_speed_generation > SCIC_SDS_PARM_NO_SPEED)))
440 return SCI_FAILURE_INVALID_PARAMETER_VALUE;
441
442 if (u->in_connection_align_insertion_frequency < 3)
443 return SCI_FAILURE_INVALID_PARAMETER_VALUE;
444
445 if ((u->in_connection_align_insertion_frequency < 3) ||
446 (u->align_insertion_frequency == 0) ||
447 (u->notify_enable_spin_up_insertion_frequency == 0))
448 return SCI_FAILURE_INVALID_PARAMETER_VALUE;
449 }
450
451 if ((sci_parms->stp_inactivity_timeout == 0) ||
452 (sci_parms->ssp_inactivity_timeout == 0) ||
453 (sci_parms->stp_max_occupancy_timeout == 0) ||
454 (sci_parms->ssp_max_occupancy_timeout == 0) ||
455 (sci_parms->no_outbound_task_timeout == 0))
456 return SCI_FAILURE_INVALID_PARAMETER_VALUE;
457
458 memcpy(&ihost->user_parameters, sci_parms, sizeof(*sci_parms));
459
460 return SCI_SUCCESS;
461}
462
463static void sci_oem_defaults(struct isci_host *ihost)
464{
465
466 struct sci_user_parameters *user = &ihost->user_parameters;
467 struct sci_oem_params *oem = &ihost->oem_parameters;
468 int i;
469
470
471 oem->controller.mode_type = SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE;
472
473
474 oem->controller.max_concurr_spin_up = 1;
475
476
477 oem->controller.do_enable_ssc = false;
478
479
480 oem->controller.cable_selection_mask = 0;
481
482
483 for (i = 0; i < SCI_MAX_PORTS; i++)
484 oem->ports[i].phy_mask = 0;
485
486
487 for (i = 0; i < SCI_MAX_PHYS; i++) {
488
489 user->phys[i].max_speed_generation = SCIC_SDS_PARM_GEN2_SPEED;
490
491
492 user->phys[i].align_insertion_frequency = 0x7f;
493 user->phys[i].in_connection_align_insertion_frequency = 0xff;
494 user->phys[i].notify_enable_spin_up_insertion_frequency = 0x33;
495
496
497
498
499
500
501 oem->phys[i].sas_address.low = 0x1 + ihost->id;
502 oem->phys[i].sas_address.high = 0x5FCFFFFF;
503 }
504
505 user->stp_inactivity_timeout = 5;
506 user->ssp_inactivity_timeout = 5;
507 user->stp_max_occupancy_timeout = 5;
508 user->ssp_max_occupancy_timeout = 20;
509 user->no_outbound_task_timeout = 2;
510}
511
512static struct isci_host *isci_host_alloc(struct pci_dev *pdev, int id)
513{
514 struct isci_orom *orom = to_pci_info(pdev)->orom;
515 struct sci_user_parameters sci_user_params;
516 u8 oem_version = ISCI_ROM_VER_1_0;
517 struct isci_host *ihost;
518 struct Scsi_Host *shost;
519 int err, i;
520
521 ihost = devm_kzalloc(&pdev->dev, sizeof(*ihost), GFP_KERNEL);
522 if (!ihost)
523 return NULL;
524
525 ihost->pdev = pdev;
526 ihost->id = id;
527 spin_lock_init(&ihost->scic_lock);
528 init_waitqueue_head(&ihost->eventq);
529 ihost->sas_ha.dev = &ihost->pdev->dev;
530 ihost->sas_ha.lldd_ha = ihost;
531 tasklet_init(&ihost->completion_tasklet,
532 isci_host_completion_routine, (unsigned long)ihost);
533
534
535
536 sci_oem_defaults(ihost);
537 isci_user_parameters_get(&sci_user_params);
538 if (sci_user_parameters_set(ihost, &sci_user_params)) {
539 dev_warn(&pdev->dev,
540 "%s: sci_user_parameters_set failed\n", __func__);
541 return NULL;
542 }
543
544
545 if (orom) {
546 if (id < 0 || id >= SCI_MAX_CONTROLLERS || id > orom->hdr.num_elements) {
547 dev_warn(&pdev->dev, "parsing firmware oem parameters failed\n");
548 return NULL;
549 }
550 ihost->oem_parameters = orom->ctrl[id];
551 oem_version = orom->hdr.version;
552 }
553
554
555 if (sci_oem_parameters_validate(&ihost->oem_parameters, oem_version)) {
556 dev_warn(&pdev->dev, "oem parameter validation failed\n");
557 return NULL;
558 }
559
560 for (i = 0; i < SCI_MAX_PORTS; i++) {
561 struct isci_port *iport = &ihost->ports[i];
562
563 INIT_LIST_HEAD(&iport->remote_dev_list);
564 iport->isci_host = ihost;
565 }
566
567 for (i = 0; i < SCI_MAX_PHYS; i++)
568 isci_phy_init(&ihost->phys[i], ihost, i);
569
570 for (i = 0; i < SCI_MAX_REMOTE_DEVICES; i++) {
571 struct isci_remote_device *idev = &ihost->devices[i];
572
573 INIT_LIST_HEAD(&idev->node);
574 }
575
576 shost = scsi_host_alloc(&isci_sht, sizeof(void *));
577 if (!shost)
578 return NULL;
579
580 dev_info(&pdev->dev, "%sSCU controller %d: phy 3-0 cables: "
581 "{%s, %s, %s, %s}\n",
582 (is_cable_select_overridden() ? "* " : ""), ihost->id,
583 lookup_cable_names(decode_cable_selection(ihost, 3)),
584 lookup_cable_names(decode_cable_selection(ihost, 2)),
585 lookup_cable_names(decode_cable_selection(ihost, 1)),
586 lookup_cable_names(decode_cable_selection(ihost, 0)));
587
588 err = isci_host_init(ihost);
589 if (err)
590 goto err_shost;
591
592 SHOST_TO_SAS_HA(shost) = &ihost->sas_ha;
593 ihost->sas_ha.core.shost = shost;
594 shost->transportt = isci_transport_template;
595
596 shost->max_id = ~0;
597 shost->max_lun = ~0;
598 shost->max_cmd_len = MAX_COMMAND_SIZE;
599
600 err = scsi_add_host(shost, &pdev->dev);
601 if (err)
602 goto err_shost;
603
604 err = isci_register_sas_ha(ihost);
605 if (err)
606 goto err_shost_remove;
607
608 return ihost;
609
610 err_shost_remove:
611 scsi_remove_host(shost);
612 err_shost:
613 scsi_host_put(shost);
614
615 return NULL;
616}
617
618static int isci_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
619{
620 struct isci_pci_info *pci_info;
621 int err, i;
622 struct isci_host *isci_host;
623 const struct firmware *fw = NULL;
624 struct isci_orom *orom = NULL;
625 char *source = "(platform)";
626
627 dev_info(&pdev->dev, "driver configured for rev: %d silicon\n",
628 pdev->revision);
629
630 pci_info = devm_kzalloc(&pdev->dev, sizeof(*pci_info), GFP_KERNEL);
631 if (!pci_info)
632 return -ENOMEM;
633 pci_set_drvdata(pdev, pci_info);
634
635 if (efi_enabled(EFI_RUNTIME_SERVICES))
636 orom = isci_get_efi_var(pdev);
637
638 if (!orom)
639 orom = isci_request_oprom(pdev);
640
641 for (i = 0; orom && i < num_controllers(pdev); i++) {
642 if (sci_oem_parameters_validate(&orom->ctrl[i],
643 orom->hdr.version)) {
644 dev_warn(&pdev->dev,
645 "[%d]: invalid oem parameters detected, falling back to firmware\n", i);
646 orom = NULL;
647 break;
648 }
649 }
650
651 if (!orom) {
652 source = "(firmware)";
653 orom = isci_request_firmware(pdev, fw);
654 if (!orom) {
655
656
657
658 dev_warn(&pdev->dev,
659 "Loading user firmware failed, using default "
660 "values\n");
661 dev_warn(&pdev->dev,
662 "Default OEM configuration being used: 4 "
663 "narrow ports, and default SAS Addresses\n");
664 }
665 }
666
667 if (orom)
668 dev_info(&pdev->dev,
669 "OEM SAS parameters (version: %u.%u) loaded %s\n",
670 (orom->hdr.version & 0xf0) >> 4,
671 (orom->hdr.version & 0xf), source);
672
673 pci_info->orom = orom;
674
675 err = isci_pci_init(pdev);
676 if (err)
677 return err;
678
679 for (i = 0; i < num_controllers(pdev); i++) {
680 struct isci_host *h = isci_host_alloc(pdev, i);
681
682 if (!h) {
683 err = -ENOMEM;
684 goto err_host_alloc;
685 }
686 pci_info->hosts[i] = h;
687
688
689 scsi_host_set_prot(to_shost(h),
690 SHOST_DIF_TYPE1_PROTECTION |
691 SHOST_DIF_TYPE2_PROTECTION |
692 SHOST_DIF_TYPE3_PROTECTION);
693 scsi_host_set_guard(to_shost(h), SHOST_DIX_GUARD_CRC);
694 }
695
696 err = isci_setup_interrupts(pdev);
697 if (err)
698 goto err_host_alloc;
699
700 for_each_isci_host(i, isci_host, pdev)
701 scsi_scan_host(to_shost(isci_host));
702
703 return 0;
704
705 err_host_alloc:
706 for_each_isci_host(i, isci_host, pdev)
707 isci_unregister(isci_host);
708 return err;
709}
710
711static void isci_pci_remove(struct pci_dev *pdev)
712{
713 struct isci_host *ihost;
714 int i;
715
716 for_each_isci_host(i, ihost, pdev) {
717 wait_for_start(ihost);
718 isci_unregister(ihost);
719 isci_host_deinit(ihost);
720 }
721}
722
723#ifdef CONFIG_PM_SLEEP
724static int isci_suspend(struct device *dev)
725{
726 struct pci_dev *pdev = to_pci_dev(dev);
727 struct isci_host *ihost;
728 int i;
729
730 for_each_isci_host(i, ihost, pdev) {
731 sas_suspend_ha(&ihost->sas_ha);
732 isci_host_deinit(ihost);
733 }
734
735 pci_save_state(pdev);
736 pci_disable_device(pdev);
737 pci_set_power_state(pdev, PCI_D3hot);
738
739 return 0;
740}
741
742static int isci_resume(struct device *dev)
743{
744 struct pci_dev *pdev = to_pci_dev(dev);
745 struct isci_host *ihost;
746 int rc, i;
747
748 pci_set_power_state(pdev, PCI_D0);
749 pci_restore_state(pdev);
750
751 rc = pcim_enable_device(pdev);
752 if (rc) {
753 dev_err(&pdev->dev,
754 "enabling device failure after resume(%d)\n", rc);
755 return rc;
756 }
757
758 pci_set_master(pdev);
759
760 for_each_isci_host(i, ihost, pdev) {
761 sas_prep_resume_ha(&ihost->sas_ha);
762
763 isci_host_init(ihost);
764 isci_host_start(ihost->sas_ha.core.shost);
765 wait_for_start(ihost);
766
767 sas_resume_ha(&ihost->sas_ha);
768 }
769
770 return 0;
771}
772#endif
773
774static SIMPLE_DEV_PM_OPS(isci_pm_ops, isci_suspend, isci_resume);
775
776static struct pci_driver isci_pci_driver = {
777 .name = DRV_NAME,
778 .id_table = isci_id_table,
779 .probe = isci_pci_probe,
780 .remove = isci_pci_remove,
781 .driver.pm = &isci_pm_ops,
782};
783
784static __init int isci_init(void)
785{
786 int err;
787
788 pr_info("%s: Intel(R) C600 SAS Controller Driver - version %s\n",
789 DRV_NAME, DRV_VERSION);
790
791 isci_transport_template = sas_domain_attach_transport(&isci_transport_ops);
792 if (!isci_transport_template)
793 return -ENOMEM;
794
795 err = pci_register_driver(&isci_pci_driver);
796 if (err)
797 sas_release_transport(isci_transport_template);
798
799 return err;
800}
801
802static __exit void isci_exit(void)
803{
804 pci_unregister_driver(&isci_pci_driver);
805 sas_release_transport(isci_transport_template);
806}
807
808MODULE_LICENSE("Dual BSD/GPL");
809MODULE_FIRMWARE(ISCI_FW_NAME);
810module_init(isci_init);
811module_exit(isci_exit);
812