Lines Matching +full:parent +full:- +full:child
1 // SPDX-License-Identifier: GPL-2.0
29 /* ---------- SMP task management ---------- */
40 to_sas_internal(dev->port->ha->core.shost->transportt); in smp_execute_task_sg()
41 struct sas_ha_struct *ha = dev->port->ha; in smp_execute_task_sg()
43 pm_runtime_get_sync(ha->dev); in smp_execute_task_sg()
44 mutex_lock(&dev->ex_dev.cmd_mutex); in smp_execute_task_sg()
46 if (test_bit(SAS_DEV_GONE, &dev->state)) { in smp_execute_task_sg()
47 res = -ECOMM; in smp_execute_task_sg()
53 res = -ENOMEM; in smp_execute_task_sg()
56 task->dev = dev; in smp_execute_task_sg()
57 task->task_proto = dev->tproto; in smp_execute_task_sg()
58 task->smp_task.smp_req = *req; in smp_execute_task_sg()
59 task->smp_task.smp_resp = *resp; in smp_execute_task_sg()
61 task->task_done = sas_task_internal_done; in smp_execute_task_sg()
63 task->slow_task->timer.function = sas_task_internal_timedout; in smp_execute_task_sg()
64 task->slow_task->timer.expires = jiffies + SMP_TIMEOUT*HZ; in smp_execute_task_sg()
65 add_timer(&task->slow_task->timer); in smp_execute_task_sg()
67 res = i->dft->lldd_execute_task(task, GFP_KERNEL); in smp_execute_task_sg()
70 del_timer_sync(&task->slow_task->timer); in smp_execute_task_sg()
75 wait_for_completion(&task->slow_task->completion); in smp_execute_task_sg()
76 res = -ECOMM; in smp_execute_task_sg()
77 if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) { in smp_execute_task_sg()
79 i->dft->lldd_abort_task(task); in smp_execute_task_sg()
80 if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { in smp_execute_task_sg()
85 if (task->task_status.resp == SAS_TASK_COMPLETE && in smp_execute_task_sg()
86 task->task_status.stat == SAS_SAM_STAT_GOOD) { in smp_execute_task_sg()
90 if (task->task_status.resp == SAS_TASK_COMPLETE && in smp_execute_task_sg()
91 task->task_status.stat == SAS_DATA_UNDERRUN) { in smp_execute_task_sg()
94 res = task->task_status.residual; in smp_execute_task_sg()
97 if (task->task_status.resp == SAS_TASK_COMPLETE && in smp_execute_task_sg()
98 task->task_status.stat == SAS_DATA_OVERRUN) { in smp_execute_task_sg()
99 res = -EMSGSIZE; in smp_execute_task_sg()
102 if (task->task_status.resp == SAS_TASK_UNDELIVERED && in smp_execute_task_sg()
103 task->task_status.stat == SAS_DEVICE_UNKNOWN) in smp_execute_task_sg()
108 SAS_ADDR(dev->sas_addr), in smp_execute_task_sg()
109 task->task_status.resp, in smp_execute_task_sg()
110 task->task_status.stat); in smp_execute_task_sg()
115 mutex_unlock(&dev->ex_dev.cmd_mutex); in smp_execute_task_sg()
116 pm_runtime_put_sync(ha->dev); in smp_execute_task_sg()
134 /* ---------- Allocations ---------- */
151 switch (phy->routing_attr) { in sas_route_char()
153 if (dev->ex_dev.t2t_supp) in sas_route_char()
169 * FIS as described in section J.5 of sas-2 r16 in to_dev_type()
171 if (dr->attached_dev_type == SAS_PHY_UNUSED && dr->attached_sata_dev && in to_dev_type()
172 dr->linkrate >= SAS_LINK_RATE_1_5_GBPS) in to_dev_type()
175 return dr->attached_dev_type; in to_dev_type()
184 struct discover_resp *dr = &disc_resp->disc; in sas_set_ex_phy()
185 struct sas_ha_struct *ha = dev->port->ha; in sas_set_ex_phy()
186 struct expander_device *ex = &dev->ex_dev; in sas_set_ex_phy()
187 struct ex_phy *phy = &ex->ex_phy[phy_id]; in sas_set_ex_phy()
188 struct sas_rphy *rphy = dev->rphy; in sas_set_ex_phy()
189 bool new_phy = !phy->phy; in sas_set_ex_phy()
193 if (WARN_ON_ONCE(test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state))) in sas_set_ex_phy()
195 phy->phy = sas_phy_alloc(&rphy->dev, phy_id); in sas_set_ex_phy()
198 BUG_ON(!phy->phy); in sas_set_ex_phy()
201 switch (disc_resp->result) { in sas_set_ex_phy()
203 phy->phy_state = PHY_VACANT; in sas_set_ex_phy()
206 phy->phy_state = PHY_NOT_PRESENT; in sas_set_ex_phy()
209 phy->phy_state = PHY_EMPTY; /* do not know yet */ in sas_set_ex_phy()
214 dev_type = phy->attached_dev_type; in sas_set_ex_phy()
215 linkrate = phy->linkrate; in sas_set_ex_phy()
216 memcpy(sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE); in sas_set_ex_phy()
218 /* Handle vacant phy - rest of dr data is not valid so skip it */ in sas_set_ex_phy()
219 if (phy->phy_state == PHY_VACANT) { in sas_set_ex_phy()
220 memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE); in sas_set_ex_phy()
221 phy->attached_dev_type = SAS_PHY_UNUSED; in sas_set_ex_phy()
222 if (!test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state)) { in sas_set_ex_phy()
223 phy->phy_id = phy_id; in sas_set_ex_phy()
229 phy->attached_dev_type = to_dev_type(dr); in sas_set_ex_phy()
230 if (test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state)) in sas_set_ex_phy()
232 phy->phy_id = phy_id; in sas_set_ex_phy()
233 phy->linkrate = dr->linkrate; in sas_set_ex_phy()
234 phy->attached_sata_host = dr->attached_sata_host; in sas_set_ex_phy()
235 phy->attached_sata_dev = dr->attached_sata_dev; in sas_set_ex_phy()
236 phy->attached_sata_ps = dr->attached_sata_ps; in sas_set_ex_phy()
237 phy->attached_iproto = dr->iproto << 1; in sas_set_ex_phy()
238 phy->attached_tproto = dr->tproto << 1; in sas_set_ex_phy()
242 if (phy->attached_dev_type == SAS_PHY_UNUSED || in sas_set_ex_phy()
243 phy->linkrate < SAS_LINK_RATE_1_5_GBPS) in sas_set_ex_phy()
244 memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE); in sas_set_ex_phy()
246 memcpy(phy->attached_sas_addr, dr->attached_sas_addr, SAS_ADDR_SIZE); in sas_set_ex_phy()
247 phy->attached_phy_id = dr->attached_phy_id; in sas_set_ex_phy()
248 phy->phy_change_count = dr->change_count; in sas_set_ex_phy()
249 phy->routing_attr = dr->routing_attr; in sas_set_ex_phy()
250 phy->virtual = dr->virtual; in sas_set_ex_phy()
251 phy->last_da_index = -1; in sas_set_ex_phy()
253 phy->phy->identify.sas_address = SAS_ADDR(phy->attached_sas_addr); in sas_set_ex_phy()
254 phy->phy->identify.device_type = dr->attached_dev_type; in sas_set_ex_phy()
255 phy->phy->identify.initiator_port_protocols = phy->attached_iproto; in sas_set_ex_phy()
256 phy->phy->identify.target_port_protocols = phy->attached_tproto; in sas_set_ex_phy()
257 if (!phy->attached_tproto && dr->attached_sata_dev) in sas_set_ex_phy()
258 phy->phy->identify.target_port_protocols = SAS_PROTOCOL_SATA; in sas_set_ex_phy()
259 phy->phy->identify.phy_identifier = phy_id; in sas_set_ex_phy()
260 phy->phy->minimum_linkrate_hw = dr->hmin_linkrate; in sas_set_ex_phy()
261 phy->phy->maximum_linkrate_hw = dr->hmax_linkrate; in sas_set_ex_phy()
262 phy->phy->minimum_linkrate = dr->pmin_linkrate; in sas_set_ex_phy()
263 phy->phy->maximum_linkrate = dr->pmax_linkrate; in sas_set_ex_phy()
264 phy->phy->negotiated_linkrate = phy->linkrate; in sas_set_ex_phy()
265 phy->phy->enabled = (phy->linkrate != SAS_PHY_DISABLED); in sas_set_ex_phy()
269 if (sas_phy_add(phy->phy)) { in sas_set_ex_phy()
270 sas_phy_free(phy->phy); in sas_set_ex_phy()
275 switch (phy->attached_dev_type) { in sas_set_ex_phy()
283 if (phy->attached_iproto) { in sas_set_ex_phy()
284 if (phy->attached_tproto) in sas_set_ex_phy()
289 if (dr->attached_sata_dev) in sas_set_ex_phy()
306 if (new_phy || phy->attached_dev_type != dev_type || in sas_set_ex_phy()
307 phy->linkrate != linkrate || in sas_set_ex_phy()
308 SAS_ADDR(phy->attached_sas_addr) != SAS_ADDR(sas_addr)) in sas_set_ex_phy()
317 if (test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state)) in sas_set_ex_phy()
318 set_bit(DISCE_REVALIDATE_DOMAIN, &dev->port->disc.pending); in sas_set_ex_phy()
321 test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state) ? "ata: " : "", in sas_set_ex_phy()
322 SAS_ADDR(dev->sas_addr), phy->phy_id, in sas_set_ex_phy()
323 sas_route_char(dev, phy), phy->linkrate, in sas_set_ex_phy()
324 SAS_ADDR(phy->attached_sas_addr), type); in sas_set_ex_phy()
330 struct ex_phy *ex_phy = &ex_dev->ex_dev.ex_phy[phy_id]; in sas_ex_to_ata()
334 if (!ex_phy->port) in sas_ex_to_ata()
337 rphy = ex_phy->port->rphy; in sas_ex_to_ata()
356 struct discover_resp *dr = &disc_resp->disc; in sas_ex_phy_discover_helper()
365 if (memcmp(dev->sas_addr, dr->attached_sas_addr, SAS_ADDR_SIZE) == 0) { in sas_ex_phy_discover_helper()
375 struct expander_device *ex = &dev->ex_dev; in sas_ex_phy_discover()
382 return -ENOMEM; in sas_ex_phy_discover()
387 return -ENOMEM; in sas_ex_phy_discover()
392 if (0 <= single && single < ex->num_phys) { in sas_ex_phy_discover()
397 for (i = 0; i < ex->num_phys; i++) { in sas_ex_phy_discover()
412 struct expander_device *ex = &dev->ex_dev; in sas_expander_discover()
415 ex->ex_phy = kcalloc(ex->num_phys, sizeof(*ex->ex_phy), GFP_KERNEL); in sas_expander_discover()
416 if (!ex->ex_phy) in sas_expander_discover()
417 return -ENOMEM; in sas_expander_discover()
419 res = sas_ex_phy_discover(dev, -1); in sas_expander_discover()
425 kfree(ex->ex_phy); in sas_expander_discover()
426 ex->ex_phy = NULL; in sas_expander_discover()
445 return -ENOMEM; in sas_ex_general()
450 return -ENOMEM; in sas_ex_general()
461 SAS_ADDR(dev->sas_addr), res); in sas_ex_general()
463 } else if (rg_resp->result != SMP_RESP_FUNC_ACC) { in sas_ex_general()
465 SAS_ADDR(dev->sas_addr), rg_resp->result); in sas_ex_general()
466 res = rg_resp->result; in sas_ex_general()
470 rg = &rg_resp->rg; in sas_ex_general()
471 dev->ex_dev.ex_change_count = be16_to_cpu(rg->change_count); in sas_ex_general()
472 dev->ex_dev.max_route_indexes = be16_to_cpu(rg->route_indexes); in sas_ex_general()
473 dev->ex_dev.num_phys = min(rg->num_phys, (u8)MAX_EXPANDER_PHYS); in sas_ex_general()
474 dev->ex_dev.t2t_supp = rg->t2t_supp; in sas_ex_general()
475 dev->ex_dev.conf_route_table = rg->conf_route_table; in sas_ex_general()
476 dev->ex_dev.configuring = rg->configuring; in sas_ex_general()
477 memcpy(dev->ex_dev.enclosure_logical_id, in sas_ex_general()
478 rg->enclosure_logical_id, 8); in sas_ex_general()
480 if (dev->ex_dev.configuring) { in sas_ex_general()
481 pr_debug("RG: ex %016llx self-configuring...\n", in sas_ex_general()
482 SAS_ADDR(dev->sas_addr)); in sas_ex_general()
497 struct sas_rphy *rphy = dev->rphy; in ex_assign_manuf_info()
500 memcpy(edev->vendor_id, mi_resp + 12, SAS_EXPANDER_VENDOR_ID_LEN); in ex_assign_manuf_info()
501 memcpy(edev->product_id, mi_resp + 20, SAS_EXPANDER_PRODUCT_ID_LEN); in ex_assign_manuf_info()
502 memcpy(edev->product_rev, mi_resp + 36, in ex_assign_manuf_info()
506 memcpy(edev->component_vendor_id, mi_resp + 40, in ex_assign_manuf_info()
508 edev->component_id = mi_resp[48] << 8 | mi_resp[49]; in ex_assign_manuf_info()
509 edev->component_revision_id = mi_resp[50]; in ex_assign_manuf_info()
524 return -ENOMEM; in sas_ex_manuf_info()
529 return -ENOMEM; in sas_ex_manuf_info()
537 SAS_ADDR(dev->sas_addr), res); in sas_ex_manuf_info()
541 SAS_ADDR(dev->sas_addr), mi_resp[2]); in sas_ex_manuf_info()
565 return -ENOMEM; in sas_smp_phy_control()
570 return -ENOMEM; in sas_smp_phy_control()
577 pc_req[32] = rates->minimum_linkrate << 4; in sas_smp_phy_control()
578 pc_req[33] = rates->maximum_linkrate << 4; in sas_smp_phy_control()
584 SAS_ADDR(dev->sas_addr), phy_id, res); in sas_smp_phy_control()
587 SAS_ADDR(dev->sas_addr), phy_id, pc_resp[2]); in sas_smp_phy_control()
597 struct expander_device *ex = &dev->ex_dev; in sas_ex_disable_phy()
598 struct ex_phy *phy = &ex->ex_phy[phy_id]; in sas_ex_disable_phy()
601 phy->linkrate = SAS_PHY_DISABLED; in sas_ex_disable_phy()
606 struct expander_device *ex = &dev->ex_dev; in sas_ex_disable_port()
609 for (i = 0; i < ex->num_phys; i++) { in sas_ex_disable_port()
610 struct ex_phy *phy = &ex->ex_phy[i]; in sas_ex_disable_port()
612 if (phy->phy_state == PHY_VACANT || in sas_ex_disable_port()
613 phy->phy_state == PHY_NOT_PRESENT) in sas_ex_disable_port()
616 if (SAS_ADDR(phy->attached_sas_addr) == SAS_ADDR(sas_addr)) in sas_ex_disable_port()
626 if (SAS_ADDR(port->sas_addr) == SAS_ADDR(sas_addr)) in sas_dev_present_in_domain()
628 list_for_each_entry(dev, &port->dev_list, dev_list_node) { in sas_dev_present_in_domain()
629 if (SAS_ADDR(dev->sas_addr) == SAS_ADDR(sas_addr)) in sas_dev_present_in_domain()
642 struct sas_rphy *rphy = dev_to_rphy(phy->dev.parent); in sas_smp_get_phy_events()
647 return -ENOMEM; in sas_smp_get_phy_events()
652 return -ENOMEM; in sas_smp_get_phy_events()
656 req[9] = phy->number; in sas_smp_get_phy_events()
664 phy->invalid_dword_count = get_unaligned_be32(&resp[12]); in sas_smp_get_phy_events()
665 phy->running_disparity_error_count = get_unaligned_be32(&resp[16]); in sas_smp_get_phy_events()
666 phy->loss_of_dword_sync_count = get_unaligned_be32(&resp[20]); in sas_smp_get_phy_events()
667 phy->phy_reset_problem_count = get_unaligned_be32(&resp[24]); in sas_smp_get_phy_events()
689 return -ENOMEM; in sas_get_report_phy_sata()
698 * standards cockup here. sas-2 explicitly specifies the FIS in sas_get_report_phy_sata()
722 static void sas_ex_get_linkrate(struct domain_device *parent, in sas_ex_get_linkrate() argument
723 struct domain_device *child, in sas_ex_get_linkrate() argument
726 struct expander_device *parent_ex = &parent->ex_dev; in sas_ex_get_linkrate()
730 child->pathways = 0; in sas_ex_get_linkrate()
732 port = parent_phy->port; in sas_ex_get_linkrate()
734 for (i = 0; i < parent_ex->num_phys; i++) { in sas_ex_get_linkrate()
735 struct ex_phy *phy = &parent_ex->ex_phy[i]; in sas_ex_get_linkrate()
737 if (phy->phy_state == PHY_VACANT || in sas_ex_get_linkrate()
738 phy->phy_state == PHY_NOT_PRESENT) in sas_ex_get_linkrate()
741 if (SAS_ADDR(phy->attached_sas_addr) == in sas_ex_get_linkrate()
742 SAS_ADDR(child->sas_addr)) { in sas_ex_get_linkrate()
744 child->min_linkrate = min(parent->min_linkrate, in sas_ex_get_linkrate()
745 phy->linkrate); in sas_ex_get_linkrate()
746 child->max_linkrate = max(parent->max_linkrate, in sas_ex_get_linkrate()
747 phy->linkrate); in sas_ex_get_linkrate()
748 child->pathways++; in sas_ex_get_linkrate()
749 sas_port_add_phy(port, phy->phy); in sas_ex_get_linkrate()
752 child->linkrate = min(parent_phy->linkrate, child->max_linkrate); in sas_ex_get_linkrate()
753 child->pathways = min(child->pathways, parent->pathways); in sas_ex_get_linkrate()
757 struct domain_device *parent, int phy_id) in sas_ex_discover_end_dev() argument
759 struct expander_device *parent_ex = &parent->ex_dev; in sas_ex_discover_end_dev()
760 struct ex_phy *phy = &parent_ex->ex_phy[phy_id]; in sas_ex_discover_end_dev()
761 struct domain_device *child = NULL; in sas_ex_discover_end_dev() local
765 if (phy->attached_sata_host || phy->attached_sata_ps) in sas_ex_discover_end_dev()
768 child = sas_alloc_device(); in sas_ex_discover_end_dev()
769 if (!child) in sas_ex_discover_end_dev()
772 kref_get(&parent->kref); in sas_ex_discover_end_dev()
773 child->parent = parent; in sas_ex_discover_end_dev()
774 child->port = parent->port; in sas_ex_discover_end_dev()
775 child->iproto = phy->attached_iproto; in sas_ex_discover_end_dev()
776 memcpy(child->sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE); in sas_ex_discover_end_dev()
777 sas_hash_addr(child->hashed_sas_addr, child->sas_addr); in sas_ex_discover_end_dev()
778 if (!phy->port) { in sas_ex_discover_end_dev()
779 phy->port = sas_port_alloc(&parent->rphy->dev, phy_id); in sas_ex_discover_end_dev()
780 if (unlikely(!phy->port)) in sas_ex_discover_end_dev()
782 if (unlikely(sas_port_add(phy->port) != 0)) { in sas_ex_discover_end_dev()
783 sas_port_free(phy->port); in sas_ex_discover_end_dev()
787 sas_ex_get_linkrate(parent, child, phy); in sas_ex_discover_end_dev()
788 sas_device_set_phy(child, phy->port); in sas_ex_discover_end_dev()
791 if ((phy->attached_tproto & SAS_PROTOCOL_STP) || phy->attached_sata_dev) { in sas_ex_discover_end_dev()
792 if (child->linkrate > parent->min_linkrate) { in sas_ex_discover_end_dev()
793 struct sas_phy *cphy = child->phy; in sas_ex_discover_end_dev()
794 enum sas_linkrate min_prate = cphy->minimum_linkrate, in sas_ex_discover_end_dev()
795 parent_min_lrate = parent->min_linkrate, in sas_ex_discover_end_dev()
799 .maximum_linkrate = parent->min_linkrate, in sas_ex_discover_end_dev()
805 SAS_ADDR(child->sas_addr), phy_id); in sas_ex_discover_end_dev()
806 ret = sas_smp_phy_control(parent, phy_id, in sas_ex_discover_end_dev()
810 SAS_ADDR(child->sas_addr), phy_id, ret); in sas_ex_discover_end_dev()
814 SAS_ADDR(child->sas_addr), phy_id); in sas_ex_discover_end_dev()
815 child->linkrate = child->min_linkrate; in sas_ex_discover_end_dev()
817 res = sas_get_ata_info(child, phy); in sas_ex_discover_end_dev()
821 sas_init_dev(child); in sas_ex_discover_end_dev()
822 res = sas_ata_init(child); in sas_ex_discover_end_dev()
825 rphy = sas_end_device_alloc(phy->port); in sas_ex_discover_end_dev()
828 rphy->identify.phy_identifier = phy_id; in sas_ex_discover_end_dev()
830 child->rphy = rphy; in sas_ex_discover_end_dev()
831 get_device(&rphy->dev); in sas_ex_discover_end_dev()
833 list_add_tail(&child->disco_list_node, &parent->port->disco_list); in sas_ex_discover_end_dev()
835 res = sas_discover_sata(child); in sas_ex_discover_end_dev()
838 SAS_ADDR(child->sas_addr), in sas_ex_discover_end_dev()
839 SAS_ADDR(parent->sas_addr), phy_id, res); in sas_ex_discover_end_dev()
844 if (phy->attached_tproto & SAS_PROTOCOL_SSP) { in sas_ex_discover_end_dev()
845 child->dev_type = SAS_END_DEVICE; in sas_ex_discover_end_dev()
846 rphy = sas_end_device_alloc(phy->port); in sas_ex_discover_end_dev()
850 child->tproto = phy->attached_tproto; in sas_ex_discover_end_dev()
851 sas_init_dev(child); in sas_ex_discover_end_dev()
853 child->rphy = rphy; in sas_ex_discover_end_dev()
854 get_device(&rphy->dev); in sas_ex_discover_end_dev()
855 rphy->identify.phy_identifier = phy_id; in sas_ex_discover_end_dev()
856 sas_fill_in_rphy(child, rphy); in sas_ex_discover_end_dev()
858 list_add_tail(&child->disco_list_node, &parent->port->disco_list); in sas_ex_discover_end_dev()
860 res = sas_discover_end_dev(child); in sas_ex_discover_end_dev()
863 SAS_ADDR(child->sas_addr), in sas_ex_discover_end_dev()
864 SAS_ADDR(parent->sas_addr), phy_id, res); in sas_ex_discover_end_dev()
869 phy->attached_tproto, SAS_ADDR(parent->sas_addr), in sas_ex_discover_end_dev()
874 list_add_tail(&child->siblings, &parent_ex->children); in sas_ex_discover_end_dev()
875 return child; in sas_ex_discover_end_dev()
878 sas_rphy_free(child->rphy); in sas_ex_discover_end_dev()
879 list_del(&child->disco_list_node); in sas_ex_discover_end_dev()
880 spin_lock_irq(&parent->port->dev_list_lock); in sas_ex_discover_end_dev()
881 list_del(&child->dev_list_node); in sas_ex_discover_end_dev()
882 spin_unlock_irq(&parent->port->dev_list_lock); in sas_ex_discover_end_dev()
884 sas_port_delete(phy->port); in sas_ex_discover_end_dev()
886 phy->port = NULL; in sas_ex_discover_end_dev()
887 sas_put_device(child); in sas_ex_discover_end_dev()
892 static bool sas_ex_join_wide_port(struct domain_device *parent, int phy_id) in sas_ex_join_wide_port() argument
894 struct ex_phy *phy = &parent->ex_dev.ex_phy[phy_id]; in sas_ex_join_wide_port()
897 for (i = 0; i < parent->ex_dev.num_phys; i++) { in sas_ex_join_wide_port()
898 struct ex_phy *ephy = &parent->ex_dev.ex_phy[i]; in sas_ex_join_wide_port()
903 if (!memcmp(phy->attached_sas_addr, ephy->attached_sas_addr, in sas_ex_join_wide_port()
904 SAS_ADDR_SIZE) && ephy->port) { in sas_ex_join_wide_port()
905 sas_port_add_phy(ephy->port, phy->phy); in sas_ex_join_wide_port()
906 phy->port = ephy->port; in sas_ex_join_wide_port()
907 phy->phy_state = PHY_DEVICE_DISCOVERED; in sas_ex_join_wide_port()
916 struct domain_device *parent, int phy_id) in sas_ex_discover_expander() argument
918 struct sas_expander_device *parent_ex = rphy_to_expander_device(parent->rphy); in sas_ex_discover_expander()
919 struct ex_phy *phy = &parent->ex_dev.ex_phy[phy_id]; in sas_ex_discover_expander()
920 struct domain_device *child = NULL; in sas_ex_discover_expander() local
926 if (phy->routing_attr == DIRECT_ROUTING) { in sas_ex_discover_expander()
927 pr_warn("ex %016llx:%02d:D <--> ex %016llx:0x%x is not allowed\n", in sas_ex_discover_expander()
928 SAS_ADDR(parent->sas_addr), phy_id, in sas_ex_discover_expander()
929 SAS_ADDR(phy->attached_sas_addr), in sas_ex_discover_expander()
930 phy->attached_phy_id); in sas_ex_discover_expander()
933 child = sas_alloc_device(); in sas_ex_discover_expander()
934 if (!child) in sas_ex_discover_expander()
937 phy->port = sas_port_alloc(&parent->rphy->dev, phy_id); in sas_ex_discover_expander()
939 BUG_ON(sas_port_add(phy->port) != 0); in sas_ex_discover_expander()
942 switch (phy->attached_dev_type) { in sas_ex_discover_expander()
944 rphy = sas_expander_alloc(phy->port, in sas_ex_discover_expander()
948 rphy = sas_expander_alloc(phy->port, in sas_ex_discover_expander()
955 port = parent->port; in sas_ex_discover_expander()
956 child->rphy = rphy; in sas_ex_discover_expander()
957 get_device(&rphy->dev); in sas_ex_discover_expander()
959 child->dev_type = phy->attached_dev_type; in sas_ex_discover_expander()
960 kref_get(&parent->kref); in sas_ex_discover_expander()
961 child->parent = parent; in sas_ex_discover_expander()
962 child->port = port; in sas_ex_discover_expander()
963 child->iproto = phy->attached_iproto; in sas_ex_discover_expander()
964 child->tproto = phy->attached_tproto; in sas_ex_discover_expander()
965 memcpy(child->sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE); in sas_ex_discover_expander()
966 sas_hash_addr(child->hashed_sas_addr, child->sas_addr); in sas_ex_discover_expander()
967 sas_ex_get_linkrate(parent, child, phy); in sas_ex_discover_expander()
968 edev->level = parent_ex->level + 1; in sas_ex_discover_expander()
969 parent->port->disc.max_level = max(parent->port->disc.max_level, in sas_ex_discover_expander()
970 edev->level); in sas_ex_discover_expander()
971 sas_init_dev(child); in sas_ex_discover_expander()
972 sas_fill_in_rphy(child, rphy); in sas_ex_discover_expander()
975 spin_lock_irq(&parent->port->dev_list_lock); in sas_ex_discover_expander()
976 list_add_tail(&child->dev_list_node, &parent->port->dev_list); in sas_ex_discover_expander()
977 spin_unlock_irq(&parent->port->dev_list_lock); in sas_ex_discover_expander()
979 res = sas_discover_expander(child); in sas_ex_discover_expander()
982 spin_lock_irq(&parent->port->dev_list_lock); in sas_ex_discover_expander()
983 list_del(&child->dev_list_node); in sas_ex_discover_expander()
984 spin_unlock_irq(&parent->port->dev_list_lock); in sas_ex_discover_expander()
985 sas_put_device(child); in sas_ex_discover_expander()
986 sas_port_delete(phy->port); in sas_ex_discover_expander()
987 phy->port = NULL; in sas_ex_discover_expander()
990 list_add_tail(&child->siblings, &parent->ex_dev.children); in sas_ex_discover_expander()
991 return child; in sas_ex_discover_expander()
996 struct expander_device *ex = &dev->ex_dev; in sas_ex_discover_dev()
997 struct ex_phy *ex_phy = &ex->ex_phy[phy_id]; in sas_ex_discover_dev()
998 struct domain_device *child = NULL; in sas_ex_discover_dev() local
1002 if (ex_phy->linkrate == SAS_SATA_SPINUP_HOLD) { in sas_ex_discover_dev()
1009 /* Parent and domain coherency */ in sas_ex_discover_dev()
1010 if (!dev->parent && (SAS_ADDR(ex_phy->attached_sas_addr) == in sas_ex_discover_dev()
1011 SAS_ADDR(dev->port->sas_addr))) { in sas_ex_discover_dev()
1015 if (dev->parent && (SAS_ADDR(ex_phy->attached_sas_addr) == in sas_ex_discover_dev()
1016 SAS_ADDR(dev->parent->sas_addr))) { in sas_ex_discover_dev()
1018 if (ex_phy->routing_attr == TABLE_ROUTING) in sas_ex_discover_dev()
1019 sas_configure_phy(dev, phy_id, dev->port->sas_addr, 1); in sas_ex_discover_dev()
1023 if (sas_dev_present_in_domain(dev->port, ex_phy->attached_sas_addr)) in sas_ex_discover_dev()
1024 sas_ex_disable_port(dev, ex_phy->attached_sas_addr); in sas_ex_discover_dev()
1026 if (ex_phy->attached_dev_type == SAS_PHY_UNUSED) { in sas_ex_discover_dev()
1027 if (ex_phy->routing_attr == DIRECT_ROUTING) { in sas_ex_discover_dev()
1028 memset(ex_phy->attached_sas_addr, 0, SAS_ADDR_SIZE); in sas_ex_discover_dev()
1029 sas_configure_routing(dev, ex_phy->attached_sas_addr); in sas_ex_discover_dev()
1032 } else if (ex_phy->linkrate == SAS_LINK_RATE_UNKNOWN) in sas_ex_discover_dev()
1035 if (ex_phy->attached_dev_type != SAS_END_DEVICE && in sas_ex_discover_dev()
1036 ex_phy->attached_dev_type != SAS_FANOUT_EXPANDER_DEVICE && in sas_ex_discover_dev()
1037 ex_phy->attached_dev_type != SAS_EDGE_EXPANDER_DEVICE && in sas_ex_discover_dev()
1038 ex_phy->attached_dev_type != SAS_SATA_PENDING) { in sas_ex_discover_dev()
1040 ex_phy->attached_dev_type, in sas_ex_discover_dev()
1041 SAS_ADDR(dev->sas_addr), in sas_ex_discover_dev()
1046 res = sas_configure_routing(dev, ex_phy->attached_sas_addr); in sas_ex_discover_dev()
1049 SAS_ADDR(ex_phy->attached_sas_addr), res); in sas_ex_discover_dev()
1050 sas_disable_routing(dev, ex_phy->attached_sas_addr); in sas_ex_discover_dev()
1056 phy_id, SAS_ADDR(ex_phy->attached_sas_addr)); in sas_ex_discover_dev()
1060 switch (ex_phy->attached_dev_type) { in sas_ex_discover_dev()
1063 child = sas_ex_discover_end_dev(dev, phy_id); in sas_ex_discover_dev()
1066 if (SAS_ADDR(dev->port->disc.fanout_sas_addr)) { in sas_ex_discover_dev()
1068 SAS_ADDR(ex_phy->attached_sas_addr), in sas_ex_discover_dev()
1069 ex_phy->attached_phy_id, in sas_ex_discover_dev()
1070 SAS_ADDR(dev->sas_addr), in sas_ex_discover_dev()
1075 memcpy(dev->port->disc.fanout_sas_addr, in sas_ex_discover_dev()
1076 ex_phy->attached_sas_addr, SAS_ADDR_SIZE); in sas_ex_discover_dev()
1079 child = sas_ex_discover_expander(dev, phy_id); in sas_ex_discover_dev()
1085 if (!child) in sas_ex_discover_dev()
1087 SAS_ADDR(dev->sas_addr), phy_id); in sas_ex_discover_dev()
1093 struct expander_device *ex = &dev->ex_dev; in sas_find_sub_addr()
1096 for (i = 0; i < ex->num_phys; i++) { in sas_find_sub_addr()
1097 struct ex_phy *phy = &ex->ex_phy[i]; in sas_find_sub_addr()
1099 if (phy->phy_state == PHY_VACANT || in sas_find_sub_addr()
1100 phy->phy_state == PHY_NOT_PRESENT) in sas_find_sub_addr()
1103 if (dev_is_expander(phy->attached_dev_type) && in sas_find_sub_addr()
1104 phy->routing_attr == SUBTRACTIVE_ROUTING) { in sas_find_sub_addr()
1106 memcpy(sub_addr, phy->attached_sas_addr, SAS_ADDR_SIZE); in sas_find_sub_addr()
1116 struct expander_device *ex = &dev->ex_dev; in sas_check_level_subtractive_boundary()
1117 struct domain_device *child; in sas_check_level_subtractive_boundary() local
1120 list_for_each_entry(child, &ex->children, siblings) { in sas_check_level_subtractive_boundary()
1121 if (!dev_is_expander(child->dev_type)) in sas_check_level_subtractive_boundary()
1124 sas_find_sub_addr(child, sub_addr); in sas_check_level_subtractive_boundary()
1129 if (sas_find_sub_addr(child, s2) && in sas_check_level_subtractive_boundary()
1132 pr_notice("ex %016llx->%016llx-?->%016llx diverges from subtractive boundary %016llx\n", in sas_check_level_subtractive_boundary()
1133 SAS_ADDR(dev->sas_addr), in sas_check_level_subtractive_boundary()
1134 SAS_ADDR(child->sas_addr), in sas_check_level_subtractive_boundary()
1138 sas_ex_disable_port(child, s2); in sas_check_level_subtractive_boundary()
1145 * sas_ex_discover_devices - discover devices attached to this expander
1147 * @single: if you want to do a single phy, else set to -1;
1154 struct expander_device *ex = &dev->ex_dev; in sas_ex_discover_devices()
1155 int i = 0, end = ex->num_phys; in sas_ex_discover_devices()
1164 struct ex_phy *ex_phy = &ex->ex_phy[i]; in sas_ex_discover_devices()
1166 if (ex_phy->phy_state == PHY_VACANT || in sas_ex_discover_devices()
1167 ex_phy->phy_state == PHY_NOT_PRESENT || in sas_ex_discover_devices()
1168 ex_phy->phy_state == PHY_DEVICE_DISCOVERED) in sas_ex_discover_devices()
1171 switch (ex_phy->linkrate) { in sas_ex_discover_devices()
1192 struct expander_device *ex = &dev->ex_dev; in sas_check_ex_subtractive_boundary()
1196 if (dev->dev_type != SAS_EDGE_EXPANDER_DEVICE) in sas_check_ex_subtractive_boundary()
1199 for (i = 0; i < ex->num_phys; i++) { in sas_check_ex_subtractive_boundary()
1200 struct ex_phy *phy = &ex->ex_phy[i]; in sas_check_ex_subtractive_boundary()
1202 if (phy->phy_state == PHY_VACANT || in sas_check_ex_subtractive_boundary()
1203 phy->phy_state == PHY_NOT_PRESENT) in sas_check_ex_subtractive_boundary()
1206 if (dev_is_expander(phy->attached_dev_type) && in sas_check_ex_subtractive_boundary()
1207 phy->routing_attr == SUBTRACTIVE_ROUTING) { in sas_check_ex_subtractive_boundary()
1210 sub_sas_addr = &phy->attached_sas_addr[0]; in sas_check_ex_subtractive_boundary()
1212 SAS_ADDR(phy->attached_sas_addr)) { in sas_check_ex_subtractive_boundary()
1215 SAS_ADDR(dev->sas_addr), i, in sas_check_ex_subtractive_boundary()
1216 SAS_ADDR(phy->attached_sas_addr), in sas_check_ex_subtractive_boundary()
1225 static void sas_print_parent_topology_bug(struct domain_device *child, in sas_print_parent_topology_bug() argument
1233 struct domain_device *parent = child->parent; in sas_print_parent_topology_bug() local
1235 pr_notice("%s ex %016llx phy%02d <--> %s ex %016llx phy%02d has %c:%c routing link!\n", in sas_print_parent_topology_bug()
1236 ex_type[parent->dev_type], in sas_print_parent_topology_bug()
1237 SAS_ADDR(parent->sas_addr), in sas_print_parent_topology_bug()
1238 parent_phy->phy_id, in sas_print_parent_topology_bug()
1240 ex_type[child->dev_type], in sas_print_parent_topology_bug()
1241 SAS_ADDR(child->sas_addr), in sas_print_parent_topology_bug()
1242 child_phy->phy_id, in sas_print_parent_topology_bug()
1244 sas_route_char(parent, parent_phy), in sas_print_parent_topology_bug()
1245 sas_route_char(child, child_phy)); in sas_print_parent_topology_bug()
1248 static int sas_check_eeds(struct domain_device *child, in sas_check_eeds() argument
1253 struct domain_device *parent = child->parent; in sas_check_eeds() local
1255 if (SAS_ADDR(parent->port->disc.fanout_sas_addr) != 0) { in sas_check_eeds()
1256 res = -ENODEV; in sas_check_eeds()
1257 …pr_warn("edge ex %016llx phy S:%02d <--> edge ex %016llx phy S:%02d, while there is a fanout ex %0… in sas_check_eeds()
1258 SAS_ADDR(parent->sas_addr), in sas_check_eeds()
1259 parent_phy->phy_id, in sas_check_eeds()
1260 SAS_ADDR(child->sas_addr), in sas_check_eeds()
1261 child_phy->phy_id, in sas_check_eeds()
1262 SAS_ADDR(parent->port->disc.fanout_sas_addr)); in sas_check_eeds()
1263 } else if (SAS_ADDR(parent->port->disc.eeds_a) == 0) { in sas_check_eeds()
1264 memcpy(parent->port->disc.eeds_a, parent->sas_addr, in sas_check_eeds()
1266 memcpy(parent->port->disc.eeds_b, child->sas_addr, in sas_check_eeds()
1268 } else if (((SAS_ADDR(parent->port->disc.eeds_a) == in sas_check_eeds()
1269 SAS_ADDR(parent->sas_addr)) || in sas_check_eeds()
1270 (SAS_ADDR(parent->port->disc.eeds_a) == in sas_check_eeds()
1271 SAS_ADDR(child->sas_addr))) in sas_check_eeds()
1273 ((SAS_ADDR(parent->port->disc.eeds_b) == in sas_check_eeds()
1274 SAS_ADDR(parent->sas_addr)) || in sas_check_eeds()
1275 (SAS_ADDR(parent->port->disc.eeds_b) == in sas_check_eeds()
1276 SAS_ADDR(child->sas_addr)))) in sas_check_eeds()
1279 res = -ENODEV; in sas_check_eeds()
1280 pr_warn("edge ex %016llx phy%02d <--> edge ex %016llx phy%02d link forms a third EEDS!\n", in sas_check_eeds()
1281 SAS_ADDR(parent->sas_addr), in sas_check_eeds()
1282 parent_phy->phy_id, in sas_check_eeds()
1283 SAS_ADDR(child->sas_addr), in sas_check_eeds()
1284 child_phy->phy_id); in sas_check_eeds()
1292 static int sas_check_parent_topology(struct domain_device *child) in sas_check_parent_topology() argument
1294 struct expander_device *child_ex = &child->ex_dev; in sas_check_parent_topology()
1299 if (!child->parent) in sas_check_parent_topology()
1302 if (!dev_is_expander(child->parent->dev_type)) in sas_check_parent_topology()
1305 parent_ex = &child->parent->ex_dev; in sas_check_parent_topology()
1307 for (i = 0; i < parent_ex->num_phys; i++) { in sas_check_parent_topology()
1308 struct ex_phy *parent_phy = &parent_ex->ex_phy[i]; in sas_check_parent_topology()
1311 if (parent_phy->phy_state == PHY_VACANT || in sas_check_parent_topology()
1312 parent_phy->phy_state == PHY_NOT_PRESENT) in sas_check_parent_topology()
1315 if (SAS_ADDR(parent_phy->attached_sas_addr) != SAS_ADDR(child->sas_addr)) in sas_check_parent_topology()
1318 child_phy = &child_ex->ex_phy[parent_phy->attached_phy_id]; in sas_check_parent_topology()
1320 switch (child->parent->dev_type) { in sas_check_parent_topology()
1322 if (child->dev_type == SAS_FANOUT_EXPANDER_DEVICE) { in sas_check_parent_topology()
1323 if (parent_phy->routing_attr != SUBTRACTIVE_ROUTING || in sas_check_parent_topology()
1324 child_phy->routing_attr != TABLE_ROUTING) { in sas_check_parent_topology()
1325 sas_print_parent_topology_bug(child, parent_phy, child_phy); in sas_check_parent_topology()
1326 res = -ENODEV; in sas_check_parent_topology()
1328 } else if (parent_phy->routing_attr == SUBTRACTIVE_ROUTING) { in sas_check_parent_topology()
1329 if (child_phy->routing_attr == SUBTRACTIVE_ROUTING) { in sas_check_parent_topology()
1330 res = sas_check_eeds(child, parent_phy, child_phy); in sas_check_parent_topology()
1331 } else if (child_phy->routing_attr != TABLE_ROUTING) { in sas_check_parent_topology()
1332 sas_print_parent_topology_bug(child, parent_phy, child_phy); in sas_check_parent_topology()
1333 res = -ENODEV; in sas_check_parent_topology()
1335 } else if (parent_phy->routing_attr == TABLE_ROUTING) { in sas_check_parent_topology()
1336 if (child_phy->routing_attr == SUBTRACTIVE_ROUTING || in sas_check_parent_topology()
1337 (child_phy->routing_attr == TABLE_ROUTING && in sas_check_parent_topology()
1338 child_ex->t2t_supp && parent_ex->t2t_supp)) { in sas_check_parent_topology()
1341 sas_print_parent_topology_bug(child, parent_phy, child_phy); in sas_check_parent_topology()
1342 res = -ENODEV; in sas_check_parent_topology()
1347 if (parent_phy->routing_attr != TABLE_ROUTING || in sas_check_parent_topology()
1348 child_phy->routing_attr != SUBTRACTIVE_ROUTING) { in sas_check_parent_topology()
1349 sas_print_parent_topology_bug(child, parent_phy, child_phy); in sas_check_parent_topology()
1350 res = -ENODEV; in sas_check_parent_topology()
1368 struct expander_device *ex = &dev->ex_dev; in sas_configure_present()
1369 struct ex_phy *phy = &ex->ex_phy[phy_id]; in sas_configure_present()
1378 return -ENOMEM; in sas_configure_present()
1383 return -ENOMEM; in sas_configure_present()
1389 for (i = 0; i < ex->max_route_indexes ; i++) { in sas_configure_present()
1398 SAS_ADDR(dev->sas_addr), phy_id, i); in sas_configure_present()
1402 __func__, SAS_ADDR(dev->sas_addr), phy_id, in sas_configure_present()
1420 phy->last_da_index < i) { in sas_configure_present()
1421 phy->last_da_index = i; in sas_configure_present()
1427 res = -1; in sas_configure_present()
1446 return -ENOMEM; in sas_configure_set()
1451 return -ENOMEM; in sas_configure_set()
1468 SAS_ADDR(dev->sas_addr), phy_id, index); in sas_configure_set()
1494 * sas_configure_parent - configure routing table of parent
1495 * @parent: parent expander
1496 * @child: child expander
1497 * @sas_addr: SAS port identifier of device directly attached to child
1498 * @include: whether or not to include @child in the expander routing table
1500 static int sas_configure_parent(struct domain_device *parent, in sas_configure_parent() argument
1501 struct domain_device *child, in sas_configure_parent() argument
1504 struct expander_device *ex_parent = &parent->ex_dev; in sas_configure_parent()
1508 if (parent->parent) { in sas_configure_parent()
1509 res = sas_configure_parent(parent->parent, parent, sas_addr, in sas_configure_parent()
1515 if (ex_parent->conf_route_table == 0) { in sas_configure_parent()
1516 pr_debug("ex %016llx has self-configuring routing table\n", in sas_configure_parent()
1517 SAS_ADDR(parent->sas_addr)); in sas_configure_parent()
1521 for (i = 0; i < ex_parent->num_phys; i++) { in sas_configure_parent()
1522 struct ex_phy *phy = &ex_parent->ex_phy[i]; in sas_configure_parent()
1524 if ((phy->routing_attr == TABLE_ROUTING) && in sas_configure_parent()
1525 (SAS_ADDR(phy->attached_sas_addr) == in sas_configure_parent()
1526 SAS_ADDR(child->sas_addr))) { in sas_configure_parent()
1527 res = sas_configure_phy(parent, i, sas_addr, include); in sas_configure_parent()
1537 * sas_configure_routing - configure routing
1543 if (dev->parent) in sas_configure_routing()
1544 return sas_configure_parent(dev->parent, dev, sas_addr, 1); in sas_configure_routing()
1550 if (dev->parent) in sas_disable_routing()
1551 return sas_configure_parent(dev->parent, dev, sas_addr, 0); in sas_disable_routing()
1556 * sas_discover_expander - expander discovery
1579 SAS_ADDR(dev->sas_addr), res); in sas_discover_expander()
1598 list_for_each_entry(dev, &port->dev_list, dev_list_node) { in sas_ex_level_discovery()
1599 if (dev_is_expander(dev->dev_type)) { in sas_ex_level_discovery()
1601 rphy_to_expander_device(dev->rphy); in sas_ex_level_discovery()
1603 if (level == ex->level) in sas_ex_level_discovery()
1604 res = sas_ex_discover_devices(dev, -1); in sas_ex_level_discovery()
1606 res = sas_ex_discover_devices(port->port_dev, -1); in sas_ex_level_discovery()
1620 level = port->disc.max_level; in sas_ex_bfs_disc()
1623 } while (level < port->disc.max_level); in sas_ex_bfs_disc()
1631 struct sas_expander_device *ex = rphy_to_expander_device(dev->rphy); in sas_discover_root_expander()
1633 res = sas_rphy_add(dev->rphy); in sas_discover_root_expander()
1637 ex->level = dev->port->disc.max_level; /* 0 */ in sas_discover_root_expander()
1642 sas_ex_bfs_disc(dev->port); in sas_discover_root_expander()
1647 sas_rphy_remove(dev->rphy); in sas_discover_root_expander()
1652 /* ---------- Domain revalidation ---------- */
1662 return -ENOMEM; in sas_get_phy_discover()
1671 if (disc_resp->result != SMP_RESP_FUNC_ACC) in sas_get_phy_discover()
1672 res = disc_resp->result; in sas_get_phy_discover()
1686 return -ENOMEM; in sas_get_phy_change_count()
1690 *pcc = disc_resp->disc.change_count; in sas_get_phy_change_count()
1704 return -ENOMEM; in sas_get_phy_attached_dev()
1708 memcpy(sas_addr, disc_resp->disc.attached_sas_addr, in sas_get_phy_attached_dev()
1710 *type = to_dev_type(&disc_resp->disc); in sas_get_phy_attached_dev()
1721 struct expander_device *ex = &dev->ex_dev; in sas_find_bcast_phy()
1725 for (i = from_phy; i < ex->num_phys; i++) { in sas_find_bcast_phy()
1739 if (phy_change_count != ex->ex_phy[i].phy_change_count) { in sas_find_bcast_phy()
1741 ex->ex_phy[i].phy_change_count = in sas_find_bcast_phy()
1758 return -ENOMEM; in sas_get_ex_change_count()
1763 return -ENOMEM; in sas_get_ex_change_count()
1772 if (rg_resp->result != SMP_RESP_FUNC_ACC) { in sas_get_ex_change_count()
1773 res = rg_resp->result; in sas_get_ex_change_count()
1777 *ecc = be16_to_cpu(rg_resp->rg.change_count); in sas_get_ex_change_count()
1784 * sas_find_bcast_dev - find the device issue BROADCAST(CHANGE).
1788 * Add self-configuration expander support. Suppose two expander cascading,
1789 * when the first level expander is self-configuring, hotplug the disks in
1792 * expander (see SAS protocol SAS 2r-14, 7.11 for detail), it is to say,
1801 struct expander_device *ex = &dev->ex_dev; in sas_find_bcast_dev()
1802 int ex_change_count = -1; in sas_find_bcast_dev()
1803 int phy_id = -1; in sas_find_bcast_dev()
1810 if (ex_change_count != -1 && ex_change_count != ex->ex_change_count) { in sas_find_bcast_dev()
1816 if (phy_id != -1) { in sas_find_bcast_dev()
1818 ex->ex_change_count = ex_change_count; in sas_find_bcast_dev()
1820 SAS_ADDR(dev->sas_addr), phy_id); in sas_find_bcast_dev()
1824 SAS_ADDR(dev->sas_addr)); in sas_find_bcast_dev()
1826 list_for_each_entry(ch, &ex->children, siblings) { in sas_find_bcast_dev()
1827 if (dev_is_expander(ch->dev_type)) { in sas_find_bcast_dev()
1839 struct expander_device *ex = &dev->ex_dev; in sas_unregister_ex_tree()
1840 struct domain_device *child, *n; in sas_unregister_ex_tree() local
1842 list_for_each_entry_safe(child, n, &ex->children, siblings) { in sas_unregister_ex_tree()
1843 set_bit(SAS_DEV_GONE, &child->state); in sas_unregister_ex_tree()
1844 if (dev_is_expander(child->dev_type)) in sas_unregister_ex_tree()
1845 sas_unregister_ex_tree(port, child); in sas_unregister_ex_tree()
1847 sas_unregister_dev(port, child); in sas_unregister_ex_tree()
1852 static void sas_unregister_devs_sas_addr(struct domain_device *parent, in sas_unregister_devs_sas_addr() argument
1855 struct expander_device *ex_dev = &parent->ex_dev; in sas_unregister_devs_sas_addr()
1856 struct ex_phy *phy = &ex_dev->ex_phy[phy_id]; in sas_unregister_devs_sas_addr()
1857 struct domain_device *child, *n, *found = NULL; in sas_unregister_devs_sas_addr() local
1859 list_for_each_entry_safe(child, n, in sas_unregister_devs_sas_addr()
1860 &ex_dev->children, siblings) { in sas_unregister_devs_sas_addr()
1861 if (SAS_ADDR(child->sas_addr) == in sas_unregister_devs_sas_addr()
1862 SAS_ADDR(phy->attached_sas_addr)) { in sas_unregister_devs_sas_addr()
1863 set_bit(SAS_DEV_GONE, &child->state); in sas_unregister_devs_sas_addr()
1864 if (dev_is_expander(child->dev_type)) in sas_unregister_devs_sas_addr()
1865 sas_unregister_ex_tree(parent->port, child); in sas_unregister_devs_sas_addr()
1867 sas_unregister_dev(parent->port, child); in sas_unregister_devs_sas_addr()
1868 found = child; in sas_unregister_devs_sas_addr()
1872 sas_disable_routing(parent, phy->attached_sas_addr); in sas_unregister_devs_sas_addr()
1874 memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE); in sas_unregister_devs_sas_addr()
1875 if (phy->port) { in sas_unregister_devs_sas_addr()
1876 sas_port_delete_phy(phy->port, phy->phy); in sas_unregister_devs_sas_addr()
1877 sas_device_set_phy(found, phy->port); in sas_unregister_devs_sas_addr()
1878 if (phy->port->num_phys == 0) in sas_unregister_devs_sas_addr()
1879 list_add_tail(&phy->port->del_list, in sas_unregister_devs_sas_addr()
1880 &parent->port->sas_port_del_list); in sas_unregister_devs_sas_addr()
1881 phy->port = NULL; in sas_unregister_devs_sas_addr()
1888 struct expander_device *ex_root = &root->ex_dev; in sas_discover_bfs_by_root_level()
1889 struct domain_device *child; in sas_discover_bfs_by_root_level() local
1892 list_for_each_entry(child, &ex_root->children, siblings) { in sas_discover_bfs_by_root_level()
1893 if (dev_is_expander(child->dev_type)) { in sas_discover_bfs_by_root_level()
1895 rphy_to_expander_device(child->rphy); in sas_discover_bfs_by_root_level()
1897 if (level > ex->level) in sas_discover_bfs_by_root_level()
1898 res = sas_discover_bfs_by_root_level(child, in sas_discover_bfs_by_root_level()
1900 else if (level == ex->level) in sas_discover_bfs_by_root_level()
1901 res = sas_ex_discover_devices(child, -1); in sas_discover_bfs_by_root_level()
1910 struct sas_expander_device *ex = rphy_to_expander_device(dev->rphy); in sas_discover_bfs_by_root()
1911 int level = ex->level+1; in sas_discover_bfs_by_root()
1913 res = sas_ex_discover_devices(dev, -1); in sas_discover_bfs_by_root()
1920 } while (level <= dev->port->disc.max_level); in sas_discover_bfs_by_root()
1927 struct ex_phy *ex_phy = &dev->ex_dev.ex_phy[phy_id]; in sas_discover_new()
1928 struct domain_device *child; in sas_discover_new() local
1932 SAS_ADDR(dev->sas_addr), phy_id); in sas_discover_new()
1943 list_for_each_entry(child, &dev->ex_dev.children, siblings) { in sas_discover_new()
1944 if (SAS_ADDR(child->sas_addr) == in sas_discover_new()
1945 SAS_ADDR(ex_phy->attached_sas_addr)) { in sas_discover_new()
1946 if (dev_is_expander(child->dev_type)) in sas_discover_new()
1947 res = sas_discover_bfs_by_root(child); in sas_discover_new()
1972 struct expander_device *ex = &dev->ex_dev; in sas_rediscover_dev()
1973 struct ex_phy *phy = &ex->ex_phy[phy_id]; in sas_rediscover_dev()
1983 SAS_ADDR(dev->sas_addr), phy_id, msg); in sas_rediscover_dev()
1989 phy->phy_state = PHY_NOT_PRESENT; in sas_rediscover_dev()
1993 phy->phy_state = PHY_VACANT; in sas_rediscover_dev()
1998 case -ECOMM: in sas_rediscover_dev()
2004 if ((SAS_ADDR(sas_addr) == 0) || (res == -ECOMM)) { in sas_rediscover_dev()
2005 phy->phy_state = PHY_EMPTY; in sas_rediscover_dev()
2013 } else if (SAS_ADDR(sas_addr) == SAS_ADDR(phy->attached_sas_addr) && in sas_rediscover_dev()
2014 dev_type_flutter(type, phy->attached_dev_type)) { in sas_rediscover_dev()
2020 if (ata_dev && phy->attached_dev_type == SAS_SATA_PENDING) in sas_rediscover_dev()
2023 SAS_ADDR(dev->sas_addr), phy_id, action); in sas_rediscover_dev()
2029 SAS_ADDR(dev->sas_addr), phy_id, in sas_rediscover_dev()
2030 SAS_ADDR(phy->attached_sas_addr)); in sas_rediscover_dev()
2037 * sas_rediscover - revalidate the domain.
2044 * domain.For plugging out, we un-register the device only when it is
2048 * forming the wide-port.
2052 struct expander_device *ex = &dev->ex_dev; in sas_rediscover()
2053 struct ex_phy *changed_phy = &ex->ex_phy[phy_id]; in sas_rediscover()
2059 SAS_ADDR(dev->sas_addr), phy_id); in sas_rediscover()
2061 if (SAS_ADDR(changed_phy->attached_sas_addr) != 0) { in sas_rediscover()
2062 for (i = 0; i < ex->num_phys; i++) { in sas_rediscover()
2063 struct ex_phy *phy = &ex->ex_phy[i]; in sas_rediscover()
2067 if (SAS_ADDR(phy->attached_sas_addr) == in sas_rediscover()
2068 SAS_ADDR(changed_phy->attached_sas_addr)) { in sas_rediscover()
2080 * sas_ex_revalidate_domain - revalidate the domain
2095 struct expander_device *ex = &dev->ex_dev; in sas_ex_revalidate_domain()
2099 phy_id = -1; in sas_ex_revalidate_domain()
2101 if (phy_id == -1) in sas_ex_revalidate_domain()
2105 } while (i < ex->num_phys); in sas_ex_revalidate_domain()
2115 int ret = -EINVAL; in sas_smp_handler()
2121 switch (rphy->identify.device_type) { in sas_smp_handler()
2138 if (job->request_payload.sg_cnt > 1 || in sas_smp_handler()
2139 job->reply_payload.sg_cnt > 1) { in sas_smp_handler()
2141 __func__, job->request_payload.payload_len, in sas_smp_handler()
2142 job->reply_payload.payload_len); in sas_smp_handler()
2146 ret = smp_execute_task_sg(dev, job->request_payload.sg_list, in sas_smp_handler()
2147 job->reply_payload.sg_list); in sas_smp_handler()
2150 rcvlen = job->reply_payload.payload_len - ret; in sas_smp_handler()