Lines Matching full:a
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
38 * You should have received a copy of the GNU General Public License
46 static bool esas2r_initmem_alloc(struct esas2r_adapter *a, in esas2r_initmem_alloc() argument
53 mem_desc->esas2r_data = dma_alloc_coherent(&a->pcid->dev, in esas2r_initmem_alloc()
75 static void esas2r_initmem_free(struct esas2r_adapter *a, in esas2r_initmem_free() argument
92 dma_free_coherent(&a->pcid->dev, in esas2r_initmem_free()
103 static bool alloc_vda_req(struct esas2r_adapter *a, in alloc_vda_req() argument
117 if (!esas2r_initmem_alloc(a, memdesc, 256)) { in alloc_vda_req()
123 a->num_vrqs++; in alloc_vda_req()
124 list_add(&memdesc->next_desc, &a->vrq_mds_head); in alloc_vda_req()
128 rq->vrq->scsi.handle = a->num_vrqs; in alloc_vda_req()
133 static void esas2r_unmap_regions(struct esas2r_adapter *a) in esas2r_unmap_regions() argument
135 if (a->regs) in esas2r_unmap_regions()
136 iounmap((void __iomem *)a->regs); in esas2r_unmap_regions()
138 a->regs = NULL; in esas2r_unmap_regions()
140 pci_release_region(a->pcid, 2); in esas2r_unmap_regions()
142 if (a->data_window) in esas2r_unmap_regions()
143 iounmap((void __iomem *)a->data_window); in esas2r_unmap_regions()
145 a->data_window = NULL; in esas2r_unmap_regions()
147 pci_release_region(a->pcid, 0); in esas2r_unmap_regions()
150 static int esas2r_map_regions(struct esas2r_adapter *a) in esas2r_map_regions() argument
154 a->regs = NULL; in esas2r_map_regions()
155 a->data_window = NULL; in esas2r_map_regions()
157 error = pci_request_region(a->pcid, 2, a->name); in esas2r_map_regions()
166 a->regs = (void __force *)ioremap(pci_resource_start(a->pcid, 2), in esas2r_map_regions()
167 pci_resource_len(a->pcid, 2)); in esas2r_map_regions()
168 if (a->regs == NULL) { in esas2r_map_regions()
171 pci_release_region(a->pcid, 2); in esas2r_map_regions()
175 error = pci_request_region(a->pcid, 0, a->name); in esas2r_map_regions()
180 esas2r_unmap_regions(a); in esas2r_map_regions()
184 a->data_window = (void __force *)ioremap(pci_resource_start(a->pcid, in esas2r_map_regions()
186 pci_resource_len(a->pcid, 0)); in esas2r_map_regions()
187 if (a->data_window == NULL) { in esas2r_map_regions()
190 esas2r_unmap_regions(a); in esas2r_map_regions()
197 static void esas2r_setup_interrupts(struct esas2r_adapter *a, int intr_mode) in esas2r_setup_interrupts() argument
205 a->intr_mode = INTR_MODE_LEGACY; in esas2r_setup_interrupts()
209 i = pci_enable_msi(a->pcid); in esas2r_setup_interrupts()
214 "(err=%d)", a->index, in esas2r_setup_interrupts()
218 a->intr_mode = INTR_MODE_MSI; in esas2r_setup_interrupts()
219 set_bit(AF2_MSI_ENABLED, &a->flags2); in esas2r_setup_interrupts()
232 static void esas2r_claim_interrupts(struct esas2r_adapter *a) in esas2r_claim_interrupts() argument
236 if (a->intr_mode == INTR_MODE_LEGACY) in esas2r_claim_interrupts()
241 a->pcid->irq, a, a->name, flags); in esas2r_claim_interrupts()
243 if (request_irq(a->pcid->irq, in esas2r_claim_interrupts()
244 (a->intr_mode == in esas2r_claim_interrupts()
248 a->name, in esas2r_claim_interrupts()
249 a)) { in esas2r_claim_interrupts()
251 a->pcid->irq); in esas2r_claim_interrupts()
255 set_bit(AF2_IRQ_CLAIMED, &a->flags2); in esas2r_claim_interrupts()
258 a->pcid->irq, flags); in esas2r_claim_interrupts()
264 struct esas2r_adapter *a; in esas2r_init_adapter() local
284 a = (struct esas2r_adapter *)host->hostdata; in esas2r_init_adapter()
285 memset(a, 0, sizeof(struct esas2r_adapter)); in esas2r_init_adapter()
286 a->pcid = pcid; in esas2r_init_adapter()
287 a->host = host; in esas2r_init_adapter()
297 &(a->pcid->dev), in esas2r_init_adapter()
303 &(a->pcid->dev), in esas2r_init_adapter()
316 &(a->pcid->dev), in esas2r_init_adapter()
325 esas2r_adapters[index] = a; in esas2r_init_adapter()
326 sprintf(a->name, ESAS2R_DRVR_NAME "_%02d", index); in esas2r_init_adapter()
327 esas2r_debug("new adapter %p, name %s", a, a->name); in esas2r_init_adapter()
328 spin_lock_init(&a->request_lock); in esas2r_init_adapter()
329 spin_lock_init(&a->fw_event_lock); in esas2r_init_adapter()
330 mutex_init(&a->fm_api_mutex); in esas2r_init_adapter()
331 mutex_init(&a->fs_api_mutex); in esas2r_init_adapter()
332 sema_init(&a->nvram_semaphore, 1); in esas2r_init_adapter()
334 esas2r_fw_event_off(a); in esas2r_init_adapter()
335 snprintf(a->fw_event_q_name, ESAS2R_KOBJ_NAME_LEN, "esas2r/%d", in esas2r_init_adapter()
336 a->index); in esas2r_init_adapter()
337 a->fw_event_q = create_singlethread_workqueue(a->fw_event_q_name); in esas2r_init_adapter()
339 init_waitqueue_head(&a->buffered_ioctl_waiter); in esas2r_init_adapter()
340 init_waitqueue_head(&a->nvram_waiter); in esas2r_init_adapter()
341 init_waitqueue_head(&a->fm_api_waiter); in esas2r_init_adapter()
342 init_waitqueue_head(&a->fs_api_waiter); in esas2r_init_adapter()
343 init_waitqueue_head(&a->vda_waiter); in esas2r_init_adapter()
345 INIT_LIST_HEAD(&a->general_req.req_list); in esas2r_init_adapter()
346 INIT_LIST_HEAD(&a->active_list); in esas2r_init_adapter()
347 INIT_LIST_HEAD(&a->defer_list); in esas2r_init_adapter()
348 INIT_LIST_HEAD(&a->free_sg_list_head); in esas2r_init_adapter()
349 INIT_LIST_HEAD(&a->avail_request); in esas2r_init_adapter()
350 INIT_LIST_HEAD(&a->vrq_mds_head); in esas2r_init_adapter()
351 INIT_LIST_HEAD(&a->fw_event_list); in esas2r_init_adapter()
353 first_request = (struct esas2r_request *)((u8 *)(a + 1)); in esas2r_init_adapter()
358 list_add_tail(&last_request->comp_list, &a->avail_request); in esas2r_init_adapter()
359 if (!alloc_vda_req(a, last_request)) { in esas2r_init_adapter()
361 "failed to allocate a VDA request!"); in esas2r_init_adapter()
372 if (esas2r_map_regions(a) != 0) { in esas2r_init_adapter()
378 a->index = index; in esas2r_init_adapter()
381 atomic_inc(&a->dis_ints_cnt); in esas2r_init_adapter()
382 atomic_inc(&a->disable_cnt); in esas2r_init_adapter()
383 set_bit(AF_CHPRST_PENDING, &a->flags); in esas2r_init_adapter()
384 set_bit(AF_DISC_PENDING, &a->flags); in esas2r_init_adapter()
385 set_bit(AF_FIRST_INIT, &a->flags); in esas2r_init_adapter()
386 set_bit(AF_LEGACY_SGE_MODE, &a->flags); in esas2r_init_adapter()
388 a->init_msg = ESAS2R_INIT_MSG_START; in esas2r_init_adapter()
389 a->max_vdareq_size = 128; in esas2r_init_adapter()
390 a->build_sgl = esas2r_build_sg_list_sge; in esas2r_init_adapter()
392 esas2r_setup_interrupts(a, interrupt_mode); in esas2r_init_adapter()
394 a->uncached_size = esas2r_get_uncached_size(a); in esas2r_init_adapter()
395 a->uncached = dma_alloc_coherent(&pcid->dev, in esas2r_init_adapter()
396 (size_t)a->uncached_size, in esas2r_init_adapter()
399 if (a->uncached == NULL) { in esas2r_init_adapter()
402 a->uncached_size); in esas2r_init_adapter()
407 a->uncached_phys = bus_addr; in esas2r_init_adapter()
410 a->uncached_size, in esas2r_init_adapter()
411 a->uncached, in esas2r_init_adapter()
414 memset(a->uncached, 0, a->uncached_size); in esas2r_init_adapter()
415 next_uncached = a->uncached; in esas2r_init_adapter()
417 if (!esas2r_init_adapter_struct(a, in esas2r_init_adapter()
425 tasklet_init(&a->tasklet, in esas2r_init_adapter()
427 (unsigned long)a); in esas2r_init_adapter()
433 esas2r_disable_chip_interrupts(a); in esas2r_init_adapter()
434 esas2r_check_adapter(a); in esas2r_init_adapter()
436 if (!esas2r_init_adapter_hw(a, true)) in esas2r_init_adapter()
441 esas2r_claim_interrupts(a); in esas2r_init_adapter()
443 if (test_bit(AF2_IRQ_CLAIMED, &a->flags2)) in esas2r_init_adapter()
444 esas2r_enable_chip_interrupts(a); in esas2r_init_adapter()
446 set_bit(AF2_INIT_DONE, &a->flags2); in esas2r_init_adapter()
447 if (!test_bit(AF_DEGRADED_MODE, &a->flags)) in esas2r_init_adapter()
448 esas2r_kickoff_timer(a); in esas2r_init_adapter()
450 a, a->disable_cnt); in esas2r_init_adapter()
455 static void esas2r_adapter_power_down(struct esas2r_adapter *a, in esas2r_adapter_power_down() argument
460 if ((test_bit(AF2_INIT_DONE, &a->flags2)) in esas2r_adapter_power_down()
461 && (!test_bit(AF_DEGRADED_MODE, &a->flags))) { in esas2r_adapter_power_down()
463 del_timer_sync(&a->timer); in esas2r_adapter_power_down()
464 tasklet_kill(&a->tasklet); in esas2r_adapter_power_down()
466 esas2r_power_down(a); in esas2r_adapter_power_down()
478 if (a->sysfs_fw_created) { in esas2r_adapter_power_down()
479 sysfs_remove_bin_file(&a->host->shost_dev.kobj, &bin_attr_fw); in esas2r_adapter_power_down()
480 a->sysfs_fw_created = 0; in esas2r_adapter_power_down()
483 if (a->sysfs_fs_created) { in esas2r_adapter_power_down()
484 sysfs_remove_bin_file(&a->host->shost_dev.kobj, &bin_attr_fs); in esas2r_adapter_power_down()
485 a->sysfs_fs_created = 0; in esas2r_adapter_power_down()
488 if (a->sysfs_vda_created) { in esas2r_adapter_power_down()
489 sysfs_remove_bin_file(&a->host->shost_dev.kobj, &bin_attr_vda); in esas2r_adapter_power_down()
490 a->sysfs_vda_created = 0; in esas2r_adapter_power_down()
493 if (a->sysfs_hw_created) { in esas2r_adapter_power_down()
494 sysfs_remove_bin_file(&a->host->shost_dev.kobj, &bin_attr_hw); in esas2r_adapter_power_down()
495 a->sysfs_hw_created = 0; in esas2r_adapter_power_down()
498 if (a->sysfs_live_nvram_created) { in esas2r_adapter_power_down()
499 sysfs_remove_bin_file(&a->host->shost_dev.kobj, in esas2r_adapter_power_down()
501 a->sysfs_live_nvram_created = 0; in esas2r_adapter_power_down()
504 if (a->sysfs_default_nvram_created) { in esas2r_adapter_power_down()
505 sysfs_remove_bin_file(&a->host->shost_dev.kobj, in esas2r_adapter_power_down()
507 a->sysfs_default_nvram_created = 0; in esas2r_adapter_power_down()
511 if (test_bit(AF2_IRQ_CLAIMED, &a->flags2)) { in esas2r_adapter_power_down()
513 &(a->pcid->dev), in esas2r_adapter_power_down()
514 "free_irq(%d) called", a->pcid->irq); in esas2r_adapter_power_down()
516 free_irq(a->pcid->irq, a); in esas2r_adapter_power_down()
518 clear_bit(AF2_IRQ_CLAIMED, &a->flags2); in esas2r_adapter_power_down()
521 if (test_bit(AF2_MSI_ENABLED, &a->flags2)) { in esas2r_adapter_power_down()
522 pci_disable_msi(a->pcid); in esas2r_adapter_power_down()
523 clear_bit(AF2_MSI_ENABLED, &a->flags2); in esas2r_adapter_power_down()
527 if (a->inbound_list_md.virt_addr) in esas2r_adapter_power_down()
528 esas2r_initmem_free(a, &a->inbound_list_md); in esas2r_adapter_power_down()
530 if (a->outbound_list_md.virt_addr) in esas2r_adapter_power_down()
531 esas2r_initmem_free(a, &a->outbound_list_md); in esas2r_adapter_power_down()
533 list_for_each_entry_safe(memdesc, next, &a->free_sg_list_head, in esas2r_adapter_power_down()
535 esas2r_initmem_free(a, memdesc); in esas2r_adapter_power_down()
539 list_for_each_entry_safe(memdesc, next, &a->vrq_mds_head, next_desc) { in esas2r_adapter_power_down()
540 esas2r_initmem_free(a, memdesc); in esas2r_adapter_power_down()
545 kfree(a->first_ae_req); in esas2r_adapter_power_down()
546 a->first_ae_req = NULL; in esas2r_adapter_power_down()
548 kfree(a->sg_list_mds); in esas2r_adapter_power_down()
549 a->sg_list_mds = NULL; in esas2r_adapter_power_down()
551 kfree(a->req_table); in esas2r_adapter_power_down()
552 a->req_table = NULL; in esas2r_adapter_power_down()
554 if (a->regs) { in esas2r_adapter_power_down()
555 esas2r_unmap_regions(a); in esas2r_adapter_power_down()
556 a->regs = NULL; in esas2r_adapter_power_down()
557 a->data_window = NULL; in esas2r_adapter_power_down()
565 struct esas2r_adapter *a = esas2r_adapters[i]; in esas2r_kill_adapter() local
567 if (a) { in esas2r_kill_adapter()
570 esas2r_debug("killing adapter %p [%d] ", a, i); in esas2r_kill_adapter()
571 esas2r_fw_event_off(a); in esas2r_kill_adapter()
572 esas2r_adapter_power_down(a, 0); in esas2r_kill_adapter()
574 (a->pcid == esas2r_buffered_ioctl_pcid)) { in esas2r_kill_adapter()
575 dma_free_coherent(&a->pcid->dev, in esas2r_kill_adapter()
582 if (a->vda_buffer) { in esas2r_kill_adapter()
583 dma_free_coherent(&a->pcid->dev, in esas2r_kill_adapter()
585 a->vda_buffer, in esas2r_kill_adapter()
586 (dma_addr_t)a->ppvda_buffer); in esas2r_kill_adapter()
587 a->vda_buffer = NULL; in esas2r_kill_adapter()
589 if (a->fs_api_buffer) { in esas2r_kill_adapter()
590 dma_free_coherent(&a->pcid->dev, in esas2r_kill_adapter()
591 (size_t)a->fs_api_buffer_size, in esas2r_kill_adapter()
592 a->fs_api_buffer, in esas2r_kill_adapter()
593 (dma_addr_t)a->ppfs_api_buffer); in esas2r_kill_adapter()
594 a->fs_api_buffer = NULL; in esas2r_kill_adapter()
597 kfree(a->local_atto_ioctl); in esas2r_kill_adapter()
598 a->local_atto_ioctl = NULL; in esas2r_kill_adapter()
600 spin_lock_irqsave(&a->fw_event_lock, flags); in esas2r_kill_adapter()
601 wq = a->fw_event_q; in esas2r_kill_adapter()
602 a->fw_event_q = NULL; in esas2r_kill_adapter()
603 spin_unlock_irqrestore(&a->fw_event_lock, flags); in esas2r_kill_adapter()
607 if (a->uncached) { in esas2r_kill_adapter()
608 dma_free_coherent(&a->pcid->dev, in esas2r_kill_adapter()
609 (size_t)a->uncached_size, in esas2r_kill_adapter()
610 a->uncached, in esas2r_kill_adapter()
611 (dma_addr_t)a->uncached_phys); in esas2r_kill_adapter()
612 a->uncached = NULL; in esas2r_kill_adapter()
617 &(a->pcid->dev), in esas2r_kill_adapter()
620 a->pcid->msix_enabled, in esas2r_kill_adapter()
621 a->pcid->msi_enabled, in esas2r_kill_adapter()
622 a->pcid->irq, in esas2r_kill_adapter()
623 a->pcid->pin); in esas2r_kill_adapter()
626 &(a->pcid->dev), in esas2r_kill_adapter()
628 a->pcid->enable_cnt.counter); in esas2r_kill_adapter()
630 pci_disable_device(a->pcid); in esas2r_kill_adapter()
632 &(a->pcid->dev), in esas2r_kill_adapter()
634 a->pcid->enable_cnt.counter); in esas2r_kill_adapter()
637 &(a->pcid->dev), in esas2r_kill_adapter()
639 a->pcid); in esas2r_kill_adapter()
641 pci_set_drvdata(a->pcid, NULL); in esas2r_kill_adapter()
644 if (test_bit(AF2_INIT_DONE, &a->flags2)) { in esas2r_kill_adapter()
645 clear_bit(AF2_INIT_DONE, &a->flags2); in esas2r_kill_adapter()
647 set_bit(AF_DEGRADED_MODE, &a->flags); in esas2r_kill_adapter()
650 &(a->host->shost_gendev), in esas2r_kill_adapter()
653 scsi_remove_host(a->host); in esas2r_kill_adapter()
656 &(a->host->shost_gendev), in esas2r_kill_adapter()
659 scsi_host_put(a->host); in esas2r_kill_adapter()
668 struct esas2r_adapter *a = (struct esas2r_adapter *)host->hostdata; in esas2r_suspend() local
671 if (!a) in esas2r_suspend()
674 esas2r_adapter_power_down(a, 1); in esas2r_suspend()
692 struct esas2r_adapter *a = (struct esas2r_adapter *)host->hostdata; in esas2r_resume() local
712 if (!a) { in esas2r_resume()
717 if (esas2r_map_regions(a) != 0) { in esas2r_resume()
724 esas2r_setup_interrupts(a, a->intr_mode); in esas2r_resume()
730 esas2r_disable_chip_interrupts(a); in esas2r_resume()
731 if (!esas2r_power_up(a, true)) { in esas2r_resume()
737 esas2r_claim_interrupts(a); in esas2r_resume()
739 if (test_bit(AF2_IRQ_CLAIMED, &a->flags2)) { in esas2r_resume()
744 esas2r_enable_chip_interrupts(a); in esas2r_resume()
745 esas2r_kickoff_timer(a); in esas2r_resume()
759 bool esas2r_set_degraded_mode(struct esas2r_adapter *a, char *error_str) in esas2r_set_degraded_mode() argument
761 set_bit(AF_DEGRADED_MODE, &a->flags); in esas2r_set_degraded_mode()
767 u32 esas2r_get_uncached_size(struct esas2r_adapter *a) in esas2r_get_uncached_size() argument
784 static void esas2r_init_pci_cfg_space(struct esas2r_adapter *a) in esas2r_init_pci_cfg_space() argument
788 pcie_cap_reg = pci_find_capability(a->pcid, PCI_CAP_ID_EXP); in esas2r_init_pci_cfg_space()
792 pci_read_config_word(a->pcid, pcie_cap_reg + PCI_EXP_DEVCTL, in esas2r_init_pci_cfg_space()
802 pci_write_config_word(a->pcid, in esas2r_init_pci_cfg_space()
813 bool esas2r_init_adapter_struct(struct esas2r_adapter *a, in esas2r_init_adapter_struct() argument
822 spin_lock_init(&a->sg_list_lock); in esas2r_init_adapter_struct()
823 spin_lock_init(&a->mem_lock); in esas2r_init_adapter_struct()
824 spin_lock_init(&a->queue_lock); in esas2r_init_adapter_struct()
826 a->targetdb_end = &a->targetdb[ESAS2R_MAX_TARGETS]; in esas2r_init_adapter_struct()
828 if (!alloc_vda_req(a, &a->general_req)) { in esas2r_init_adapter_struct()
830 "failed to allocate a VDA request for the general req!"); in esas2r_init_adapter_struct()
835 a->first_ae_req = in esas2r_init_adapter_struct()
839 if (a->first_ae_req == NULL) { in esas2r_init_adapter_struct()
846 a->sg_list_mds = kcalloc(num_sg_lists, sizeof(struct esas2r_mem_desc), in esas2r_init_adapter_struct()
849 if (a->sg_list_mds == NULL) { in esas2r_init_adapter_struct()
856 a->req_table = in esas2r_init_adapter_struct()
861 if (a->req_table == NULL) { in esas2r_init_adapter_struct()
868 esas2r_init_pci_cfg_space(a); in esas2r_init_adapter_struct()
871 * the thunder_stream boards all have a serial flash part that has a in esas2r_init_adapter_struct()
874 if ((a->pcid->subsystem_vendor == ATTO_VENDOR_ID) in esas2r_init_adapter_struct()
875 && (a->pcid->subsystem_device & ATTO_SSDID_TBT)) in esas2r_init_adapter_struct()
876 a->flags2 |= AF2_THUNDERBOLT; in esas2r_init_adapter_struct()
878 if (test_bit(AF2_THUNDERBOLT, &a->flags2)) in esas2r_init_adapter_struct()
879 a->flags2 |= AF2_SERIAL_FLASH; in esas2r_init_adapter_struct()
881 if (a->pcid->subsystem_device == ATTO_TLSH_1068) in esas2r_init_adapter_struct()
882 a->flags2 |= AF2_THUNDERLINK; in esas2r_init_adapter_struct()
889 for (i = 0, sgl = a->sg_list_mds; i < num_sg_lists; i++, sgl++) { in esas2r_init_adapter_struct()
892 list_add_tail(&sgl->next_desc, &a->free_sg_list_head); in esas2r_init_adapter_struct()
894 if (!esas2r_initmem_alloc(a, sgl, ESAS2R_SGL_ALIGN)) { in esas2r_init_adapter_struct()
903 a->list_size = num_requests + ESAS2R_LIST_EXTRA; in esas2r_init_adapter_struct()
906 a->inbound_list_md.size = a->list_size * in esas2r_init_adapter_struct()
910 if (!esas2r_initmem_alloc(a, &a->inbound_list_md, ESAS2R_LIST_ALIGN)) { in esas2r_init_adapter_struct()
916 a->outbound_list_md.size = a->list_size * in esas2r_init_adapter_struct()
919 if (!esas2r_initmem_alloc(a, &a->outbound_list_md, in esas2r_init_adapter_struct()
926 a->nvram = (struct esas2r_sas_nvram *)high; in esas2r_init_adapter_struct()
930 a->disc_buffer = high; in esas2r_init_adapter_struct()
935 a->outbound_copy = (u32 volatile *)high; in esas2r_init_adapter_struct()
938 if (!test_bit(AF_NVR_VALID, &a->flags)) in esas2r_init_adapter_struct()
939 esas2r_nvram_set_defaults(a); in esas2r_init_adapter_struct()
945 if (test_bit(AF_FIRST_INIT, &a->flags)) { in esas2r_init_adapter_struct()
946 esas2r_targ_db_initialize(a); in esas2r_init_adapter_struct()
950 (struct esas2r_inbound_list_source_entry *)a-> in esas2r_init_adapter_struct()
954 for (i = 0; i < a->list_size; i++) { in esas2r_init_adapter_struct()
966 for (rq = a->first_ae_req, i = 0; i < num_ae_requests; rq++, in esas2r_init_adapter_struct()
969 if (!alloc_vda_req(a, rq)) { in esas2r_init_adapter_struct()
971 "failed to allocate a VDA request!"); in esas2r_init_adapter_struct()
975 esas2r_rq_init_request(rq, a); in esas2r_init_adapter_struct()
986 bool esas2r_check_adapter(struct esas2r_adapter *a) in esas2r_check_adapter() argument
994 * if the chip reset detected flag is set, we can bypass a bunch of in esas2r_check_adapter()
997 if (test_bit(AF_CHPRST_DETECTED, &a->flags)) in esas2r_check_adapter()
1002 * may have left them enabled or we may be recovering from a fault. in esas2r_check_adapter()
1004 esas2r_write_register_dword(a, MU_INT_MASK_OUT, ESAS2R_INT_DIS_MASK); in esas2r_check_adapter()
1005 esas2r_flush_register_dword(a, MU_INT_MASK_OUT); in esas2r_check_adapter()
1009 * waiting for a response. in esas2r_check_adapter()
1014 esas2r_force_interrupt(a); in esas2r_check_adapter()
1015 doorbell = esas2r_read_register_dword(a, MU_DOORBELL_OUT); in esas2r_check_adapter()
1019 * register access after a reset. in esas2r_check_adapter()
1022 return esas2r_set_degraded_mode(a, in esas2r_check_adapter()
1031 esas2r_write_register_dword(a, MU_DOORBELL_OUT, in esas2r_check_adapter()
1035 set_bit(AF_LEGACY_SGE_MODE, &a->flags); in esas2r_check_adapter()
1037 a->max_vdareq_size = 128; in esas2r_check_adapter()
1038 a->build_sgl = esas2r_build_sg_list_sge; in esas2r_check_adapter()
1040 clear_bit(AF_LEGACY_SGE_MODE, &a->flags); in esas2r_check_adapter()
1042 a->max_vdareq_size = 1024; in esas2r_check_adapter()
1043 a->build_sgl = esas2r_build_sg_list_prd; in esas2r_check_adapter()
1045 return esas2r_set_degraded_mode(a, in esas2r_check_adapter()
1057 return esas2r_set_degraded_mode(a, in esas2r_check_adapter()
1063 esas2r_write_register_dword(a, MU_DOORBELL_IN, DRBL_MSG_IFC_DOWN); in esas2r_check_adapter()
1067 doorbell = esas2r_read_register_dword(a, MU_DOORBELL_OUT); in esas2r_check_adapter()
1069 esas2r_write_register_dword(a, MU_DOORBELL_OUT, in esas2r_check_adapter()
1086 dw = esas2r_read_register_dword(a, MU_IN_LIST_CONFIG); in esas2r_check_adapter()
1088 esas2r_write_register_dword(a, MU_IN_LIST_CONFIG, dw); in esas2r_check_adapter()
1089 dw = esas2r_read_register_dword(a, MU_OUT_LIST_CONFIG); in esas2r_check_adapter()
1091 esas2r_write_register_dword(a, MU_OUT_LIST_CONFIG, dw); in esas2r_check_adapter()
1094 ppaddr = a->inbound_list_md.phys_addr; in esas2r_check_adapter()
1095 esas2r_write_register_dword(a, MU_IN_LIST_ADDR_LO, in esas2r_check_adapter()
1097 esas2r_write_register_dword(a, MU_IN_LIST_ADDR_HI, in esas2r_check_adapter()
1099 ppaddr = a->outbound_list_md.phys_addr; in esas2r_check_adapter()
1100 esas2r_write_register_dword(a, MU_OUT_LIST_ADDR_LO, in esas2r_check_adapter()
1102 esas2r_write_register_dword(a, MU_OUT_LIST_ADDR_HI, in esas2r_check_adapter()
1104 ppaddr = a->uncached_phys + in esas2r_check_adapter()
1105 ((u8 *)a->outbound_copy - a->uncached); in esas2r_check_adapter()
1106 esas2r_write_register_dword(a, MU_OUT_LIST_COPY_PTR_LO, in esas2r_check_adapter()
1108 esas2r_write_register_dword(a, MU_OUT_LIST_COPY_PTR_HI, in esas2r_check_adapter()
1112 *a->outbound_copy = in esas2r_check_adapter()
1113 a->last_write = in esas2r_check_adapter()
1114 a->last_read = a->list_size - 1; in esas2r_check_adapter()
1115 set_bit(AF_COMM_LIST_TOGGLE, &a->flags); in esas2r_check_adapter()
1116 esas2r_write_register_dword(a, MU_IN_LIST_WRITE, MU_ILW_TOGGLE | in esas2r_check_adapter()
1117 a->last_write); in esas2r_check_adapter()
1118 esas2r_write_register_dword(a, MU_OUT_LIST_COPY, MU_OLC_TOGGLE | in esas2r_check_adapter()
1119 a->last_write); in esas2r_check_adapter()
1120 esas2r_write_register_dword(a, MU_IN_LIST_READ, MU_ILR_TOGGLE | in esas2r_check_adapter()
1121 a->last_write); in esas2r_check_adapter()
1122 esas2r_write_register_dword(a, MU_OUT_LIST_WRITE, in esas2r_check_adapter()
1123 MU_OLW_TOGGLE | a->last_write); in esas2r_check_adapter()
1126 dw = esas2r_read_register_dword(a, MU_IN_LIST_IFC_CONFIG); in esas2r_check_adapter()
1128 esas2r_write_register_dword(a, MU_IN_LIST_IFC_CONFIG, in esas2r_check_adapter()
1130 dw = esas2r_read_register_dword(a, MU_OUT_LIST_IFC_CONFIG); in esas2r_check_adapter()
1132 esas2r_write_register_dword(a, MU_OUT_LIST_IFC_CONFIG, in esas2r_check_adapter()
1137 dw = esas2r_read_register_dword(a, MU_IN_LIST_CONFIG); in esas2r_check_adapter()
1140 | (a->list_size << MU_ILC_NUMBER_SHIFT); in esas2r_check_adapter()
1141 esas2r_write_register_dword(a, MU_IN_LIST_CONFIG, dw); in esas2r_check_adapter()
1142 dw = esas2r_read_register_dword(a, MU_OUT_LIST_CONFIG); in esas2r_check_adapter()
1144 dw |= MU_OLC_ENTRY_4_DW | (a->list_size << MU_OLC_NUMBER_SHIFT); in esas2r_check_adapter()
1145 esas2r_write_register_dword(a, MU_OUT_LIST_CONFIG, dw); in esas2r_check_adapter()
1152 esas2r_write_register_dword(a, MU_DOORBELL_IN, DRBL_MSG_IFC_INIT); in esas2r_check_adapter()
1156 doorbell = esas2r_read_register_dword(a, MU_DOORBELL_OUT); in esas2r_check_adapter()
1158 esas2r_write_register_dword(a, MU_DOORBELL_OUT, in esas2r_check_adapter()
1169 return esas2r_set_degraded_mode(a, in esas2r_check_adapter()
1178 doorbell = esas2r_read_register_dword(a, MU_DOORBELL_IN_ENB); in esas2r_check_adapter()
1180 set_bit(AF2_VDA_POWER_DOWN, &a->flags2); in esas2r_check_adapter()
1182 clear_bit(AF2_VDA_POWER_DOWN, &a->flags2); in esas2r_check_adapter()
1188 esas2r_write_register_dword(a, MU_OUT_LIST_INT_MASK, MU_OLIS_MASK); in esas2r_check_adapter()
1189 esas2r_write_register_dword(a, MU_DOORBELL_OUT_ENB, DRBL_ENB_MASK); in esas2r_check_adapter()
1194 static bool esas2r_format_init_msg(struct esas2r_adapter *a, in esas2r_format_init_msg() argument
1197 u32 msg = a->init_msg; in esas2r_format_init_msg()
1200 a->init_msg = 0; in esas2r_format_init_msg()
1207 esas2r_build_cfg_req(a, in esas2r_format_init_msg()
1217 a->init_msg = ESAS2R_INIT_MSG_INIT; in esas2r_format_init_msg()
1227 a->fw_version = le16_to_cpu( in esas2r_format_init_msg()
1229 a->fw_build = rq->func_rsp.cfg_rsp.fw_build; in esas2r_format_init_msg()
1234 a->fw_version += (major << 16) + (minor << 24); in esas2r_format_init_msg()
1244 if ((test_bit(AF2_THUNDERBOLT, &a->flags2)) in esas2r_format_init_msg()
1245 || (be32_to_cpu(a->fw_version) > 0x00524702)) { in esas2r_format_init_msg()
1247 esas2r_build_cfg_req(a, in esas2r_format_init_msg()
1262 a->init_msg = ESAS2R_INIT_MSG_GET_INIT; in esas2r_format_init_msg()
1270 a->num_targets_backend = in esas2r_format_init_msg()
1272 a->ioctl_tunnel = in esas2r_format_init_msg()
1291 bool esas2r_init_msgs(struct esas2r_adapter *a) in esas2r_init_msgs() argument
1294 struct esas2r_request *rq = &a->general_req; in esas2r_init_msgs()
1296 esas2r_rq_init_request(rq, a); in esas2r_init_msgs()
1299 if (a->init_msg == 0) in esas2r_init_msgs()
1300 a->init_msg = ESAS2R_INIT_MSG_REINIT; in esas2r_init_msgs()
1302 while (a->init_msg) { in esas2r_init_msgs()
1303 if (esas2r_format_init_msg(a, rq)) { in esas2r_init_msgs()
1306 spin_lock_irqsave(&a->queue_lock, flags); in esas2r_init_msgs()
1307 esas2r_start_vda_request(a, rq); in esas2r_init_msgs()
1308 spin_unlock_irqrestore(&a->queue_lock, flags); in esas2r_init_msgs()
1309 esas2r_wait_request(a, rq); in esas2r_init_msgs()
1321 a->init_msg, rq->req_stat, rq->flags); in esas2r_init_msgs()
1322 a->init_msg = ESAS2R_INIT_MSG_START; in esas2r_init_msgs()
1327 esas2r_rq_destroy_request(rq, a); in esas2r_init_msgs()
1332 bool esas2r_init_adapter_hw(struct esas2r_adapter *a, bool init_poll) in esas2r_init_adapter_hw() argument
1338 if (test_bit(AF_DEGRADED_MODE, &a->flags)) in esas2r_init_adapter_hw()
1341 if (!test_bit(AF_NVR_VALID, &a->flags)) { in esas2r_init_adapter_hw()
1342 if (!esas2r_nvram_read_direct(a)) in esas2r_init_adapter_hw()
1347 if (!esas2r_init_msgs(a)) { in esas2r_init_adapter_hw()
1348 esas2r_set_degraded_mode(a, "init messages failed"); in esas2r_init_adapter_hw()
1353 clear_bit(AF_DEGRADED_MODE, &a->flags); in esas2r_init_adapter_hw()
1354 clear_bit(AF_CHPRST_PENDING, &a->flags); in esas2r_init_adapter_hw()
1357 for (i = 0, rq = a->first_ae_req; i < num_ae_requests; i++, rq++) in esas2r_init_adapter_hw()
1358 esas2r_start_ae_request(a, rq); in esas2r_init_adapter_hw()
1360 if (!a->flash_rev[0]) in esas2r_init_adapter_hw()
1361 esas2r_read_flash_rev(a); in esas2r_init_adapter_hw()
1363 if (!a->image_type[0]) in esas2r_init_adapter_hw()
1364 esas2r_read_image_type(a); in esas2r_init_adapter_hw()
1366 if (a->fw_version == 0) in esas2r_init_adapter_hw()
1367 a->fw_rev[0] = 0; in esas2r_init_adapter_hw()
1369 sprintf(a->fw_rev, "%1d.%02d", in esas2r_init_adapter_hw()
1370 (int)LOBYTE(HIWORD(a->fw_version)), in esas2r_init_adapter_hw()
1371 (int)HIBYTE(HIWORD(a->fw_version))); in esas2r_init_adapter_hw()
1373 esas2r_hdebug("firmware revision: %s", a->fw_rev); in esas2r_init_adapter_hw()
1375 if (test_bit(AF_CHPRST_DETECTED, &a->flags) in esas2r_init_adapter_hw()
1376 && (test_bit(AF_FIRST_INIT, &a->flags))) { in esas2r_init_adapter_hw()
1377 esas2r_enable_chip_interrupts(a); in esas2r_init_adapter_hw()
1382 esas2r_disc_initialize(a); in esas2r_init_adapter_hw()
1387 * resuming from a low power state. deferred device waiting will use in esas2r_init_adapter_hw()
1389 * avoid being in a TASKLET too long. in esas2r_init_adapter_hw()
1392 u32 currtime = a->disc_start_time; in esas2r_init_adapter_hw()
1400 set_bit(AF_TASKLET_SCHEDULED, &a->flags); in esas2r_init_adapter_hw()
1401 set_bit(AF_DISC_POLLED, &a->flags); in esas2r_init_adapter_hw()
1408 if (test_bit(AF_FIRST_INIT, &a->flags)) in esas2r_init_adapter_hw()
1409 atomic_dec(&a->disable_cnt); in esas2r_init_adapter_hw()
1411 while (test_bit(AF_DISC_PENDING, &a->flags)) { in esas2r_init_adapter_hw()
1415 * Determine the need for a timer tick based on the in esas2r_init_adapter_hw()
1426 * up. If a chip reset happens during initial polling, in esas2r_init_adapter_hw()
1430 if (!test_bit(AF_CHPRST_PENDING, &a->flags)) in esas2r_init_adapter_hw()
1431 esas2r_disc_check_for_work(a); in esas2r_init_adapter_hw()
1433 /* Simulate a timer tick. */ in esas2r_init_adapter_hw()
1436 /* Time for a timer tick */ in esas2r_init_adapter_hw()
1438 esas2r_timer_tick(a); in esas2r_init_adapter_hw()
1445 if (esas2r_is_tasklet_pending(a)) in esas2r_init_adapter_hw()
1446 esas2r_do_tasklet_tasks(a); in esas2r_init_adapter_hw()
1450 if (test_bit(AF_FIRST_INIT, &a->flags)) in esas2r_init_adapter_hw()
1451 atomic_inc(&a->disable_cnt); in esas2r_init_adapter_hw()
1453 clear_bit(AF_DISC_POLLED, &a->flags); in esas2r_init_adapter_hw()
1454 clear_bit(AF_TASKLET_SCHEDULED, &a->flags); in esas2r_init_adapter_hw()
1458 esas2r_targ_db_report_changes(a); in esas2r_init_adapter_hw()
1461 * For cases where (a) the initialization messages processing may in esas2r_init_adapter_hw()
1462 * handle an interrupt for a port event and a discovery is waiting, but in esas2r_init_adapter_hw()
1467 esas2r_disc_start_waiting(a); in esas2r_init_adapter_hw()
1470 a->int_mask = ESAS2R_INT_STS_MASK; in esas2r_init_adapter_hw()
1471 esas2r_enable_chip_interrupts(a); in esas2r_init_adapter_hw()
1472 esas2r_enable_heartbeat(a); in esas2r_init_adapter_hw()
1481 if (test_bit(AF_CHPRST_DETECTED, &a->flags) && in esas2r_init_adapter_hw()
1482 test_bit(AF_FIRST_INIT, &a->flags)) { in esas2r_init_adapter_hw()
1489 clear_bit(AF_CHPRST_PENDING, &a->flags); in esas2r_init_adapter_hw()
1491 /* First initialization or a subsequent re-init is complete. */ in esas2r_init_adapter_hw()
1493 clear_bit(AF_CHPRST_PENDING, &a->flags); in esas2r_init_adapter_hw()
1494 clear_bit(AF_DISC_PENDING, &a->flags); in esas2r_init_adapter_hw()
1499 if (test_bit(AF_FIRST_INIT, &a->flags)) { in esas2r_init_adapter_hw()
1500 clear_bit(AF_FIRST_INIT, &a->flags); in esas2r_init_adapter_hw()
1502 if (atomic_dec_return(&a->disable_cnt) == 0) in esas2r_init_adapter_hw()
1503 esas2r_do_deferred_processes(a); in esas2r_init_adapter_hw()
1510 void esas2r_reset_adapter(struct esas2r_adapter *a) in esas2r_reset_adapter() argument
1512 set_bit(AF_OS_RESET, &a->flags); in esas2r_reset_adapter()
1513 esas2r_local_reset_adapter(a); in esas2r_reset_adapter()
1514 esas2r_schedule_tasklet(a); in esas2r_reset_adapter()
1517 void esas2r_reset_chip(struct esas2r_adapter *a) in esas2r_reset_chip() argument
1519 if (!esas2r_is_adapter_present(a)) in esas2r_reset_chip()
1525 * to not overwrite a previous crash that was saved. in esas2r_reset_chip()
1527 if (test_bit(AF2_COREDUMP_AVAIL, &a->flags2) && in esas2r_reset_chip()
1528 !test_bit(AF2_COREDUMP_SAVED, &a->flags2)) { in esas2r_reset_chip()
1529 esas2r_read_mem_block(a, in esas2r_reset_chip()
1530 a->fw_coredump_buff, in esas2r_reset_chip()
1534 set_bit(AF2_COREDUMP_SAVED, &a->flags2); in esas2r_reset_chip()
1537 clear_bit(AF2_COREDUMP_AVAIL, &a->flags2); in esas2r_reset_chip()
1540 if (a->pcid->revision == MVR_FREY_B2) in esas2r_reset_chip()
1541 esas2r_write_register_dword(a, MU_CTL_STATUS_IN_B2, in esas2r_reset_chip()
1544 esas2r_write_register_dword(a, MU_CTL_STATUS_IN, in esas2r_reset_chip()
1548 /* Stall a little while to let the reset condition clear */ in esas2r_reset_chip()
1552 static void esas2r_power_down_notify_firmware(struct esas2r_adapter *a) in esas2r_power_down_notify_firmware() argument
1557 esas2r_write_register_dword(a, MU_DOORBELL_IN, DRBL_POWER_DOWN); in esas2r_power_down_notify_firmware()
1561 doorbell = esas2r_read_register_dword(a, MU_DOORBELL_OUT); in esas2r_power_down_notify_firmware()
1563 esas2r_write_register_dword(a, MU_DOORBELL_OUT, in esas2r_power_down_notify_firmware()
1581 void esas2r_power_down(struct esas2r_adapter *a) in esas2r_power_down() argument
1583 set_bit(AF_POWER_MGT, &a->flags); in esas2r_power_down()
1584 set_bit(AF_POWER_DOWN, &a->flags); in esas2r_power_down()
1586 if (!test_bit(AF_DEGRADED_MODE, &a->flags)) { in esas2r_power_down()
1596 esas2r_disable_chip_interrupts(a); in esas2r_power_down()
1597 esas2r_disable_heartbeat(a); in esas2r_power_down()
1600 esas2r_write_register_dword(a, MU_DOORBELL_IN, in esas2r_power_down()
1606 esas2r_read_register_dword(a, MU_DOORBELL_OUT); in esas2r_power_down()
1608 esas2r_write_register_dword(a, MU_DOORBELL_OUT, in esas2r_power_down()
1626 if (test_bit(AF2_VDA_POWER_DOWN, &a->flags2)) in esas2r_power_down()
1627 esas2r_power_down_notify_firmware(a); in esas2r_power_down()
1631 set_bit(AF_OS_RESET, &a->flags); in esas2r_power_down()
1632 set_bit(AF_DISC_PENDING, &a->flags); in esas2r_power_down()
1633 set_bit(AF_CHPRST_PENDING, &a->flags); in esas2r_power_down()
1635 esas2r_process_adapter_reset(a); in esas2r_power_down()
1638 a->prev_dev_cnt = esas2r_targ_db_get_tgt_cnt(a); in esas2r_power_down()
1639 esas2r_targ_db_remove_all(a, false); in esas2r_power_down()
1646 bool esas2r_power_up(struct esas2r_adapter *a, bool init_poll) in esas2r_power_up() argument
1650 clear_bit(AF_POWER_DOWN, &a->flags); in esas2r_power_up()
1651 esas2r_init_pci_cfg_space(a); in esas2r_power_up()
1652 set_bit(AF_FIRST_INIT, &a->flags); in esas2r_power_up()
1653 atomic_inc(&a->disable_cnt); in esas2r_power_up()
1656 ret = esas2r_check_adapter(a); in esas2r_power_up()
1657 if (!esas2r_init_adapter_hw(a, init_poll)) in esas2r_power_up()
1661 esas2r_send_reset_ae(a, true); in esas2r_power_up()
1664 clear_bit(AF_POWER_MGT, &a->flags); in esas2r_power_up()
1668 bool esas2r_is_adapter_present(struct esas2r_adapter *a) in esas2r_is_adapter_present() argument
1670 if (test_bit(AF_NOT_PRESENT, &a->flags)) in esas2r_is_adapter_present()
1673 if (esas2r_read_register_dword(a, MU_DOORBELL_OUT) == 0xFFFFFFFF) { in esas2r_is_adapter_present()
1674 set_bit(AF_NOT_PRESENT, &a->flags); in esas2r_is_adapter_present()
1681 const char *esas2r_get_model_name(struct esas2r_adapter *a) in esas2r_get_model_name() argument
1683 switch (a->pcid->subsystem_device) { in esas2r_get_model_name()
1715 const char *esas2r_get_model_name_short(struct esas2r_adapter *a) in esas2r_get_model_name_short() argument
1717 switch (a->pcid->subsystem_device) { in esas2r_get_model_name_short()