Lines Matching +full:port +full:- +full:level
1 // SPDX-License-Identifier: GPL-2.0
29 /* ---------- SMP task management ---------- */
40 to_sas_internal(dev->port->ha->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()
621 static int sas_dev_present_in_domain(struct asd_sas_port *port, in sas_dev_present_in_domain() argument
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()
726 struct expander_device *parent_ex = &parent->ex_dev; in sas_ex_get_linkrate()
727 struct sas_port *port; in sas_ex_get_linkrate() local
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()
742 child->min_linkrate = min(parent->min_linkrate, in sas_ex_get_linkrate()
743 phy->linkrate); in sas_ex_get_linkrate()
744 child->max_linkrate = max(parent->max_linkrate, in sas_ex_get_linkrate()
745 phy->linkrate); in sas_ex_get_linkrate()
746 child->pathways++; in sas_ex_get_linkrate()
747 sas_port_add_phy(port, phy->phy); in sas_ex_get_linkrate()
750 child->linkrate = min(parent_phy->linkrate, child->max_linkrate); in sas_ex_get_linkrate()
751 child->pathways = min(child->pathways, parent->pathways); in sas_ex_get_linkrate()
760 child->dev_type = SAS_END_DEVICE; in sas_ex_add_dev()
761 rphy = sas_end_device_alloc(phy->port); in sas_ex_add_dev()
763 return -ENOMEM; in sas_ex_add_dev()
765 child->tproto = phy->attached_tproto; in sas_ex_add_dev()
768 child->rphy = rphy; in sas_ex_add_dev()
769 get_device(&rphy->dev); in sas_ex_add_dev()
770 rphy->identify.phy_identifier = phy_id; in sas_ex_add_dev()
773 list_add_tail(&child->disco_list_node, &parent->port->disco_list); in sas_ex_add_dev()
778 SAS_ADDR(child->sas_addr), in sas_ex_add_dev()
779 SAS_ADDR(parent->sas_addr), phy_id, res); in sas_ex_add_dev()
780 sas_rphy_free(child->rphy); in sas_ex_add_dev()
781 list_del(&child->disco_list_node); in sas_ex_add_dev()
791 struct expander_device *parent_ex = &parent->ex_dev; in sas_ex_discover_end_dev()
792 struct ex_phy *phy = &parent_ex->ex_phy[phy_id]; in sas_ex_discover_end_dev()
796 if (phy->attached_sata_host || phy->attached_sata_ps) in sas_ex_discover_end_dev()
803 kref_get(&parent->kref); in sas_ex_discover_end_dev()
804 child->parent = parent; in sas_ex_discover_end_dev()
805 child->port = parent->port; in sas_ex_discover_end_dev()
806 child->iproto = phy->attached_iproto; in sas_ex_discover_end_dev()
807 memcpy(child->sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE); in sas_ex_discover_end_dev()
808 sas_hash_addr(child->hashed_sas_addr, child->sas_addr); in sas_ex_discover_end_dev()
809 if (!phy->port) { in sas_ex_discover_end_dev()
810 phy->port = sas_port_alloc(&parent->rphy->dev, phy_id); in sas_ex_discover_end_dev()
811 if (unlikely(!phy->port)) in sas_ex_discover_end_dev()
813 if (unlikely(sas_port_add(phy->port) != 0)) { in sas_ex_discover_end_dev()
814 sas_port_free(phy->port); in sas_ex_discover_end_dev()
819 sas_device_set_phy(child, phy->port); in sas_ex_discover_end_dev()
821 if ((phy->attached_tproto & SAS_PROTOCOL_STP) || phy->attached_sata_dev) { in sas_ex_discover_end_dev()
823 } else if (phy->attached_tproto & SAS_PROTOCOL_SSP) { in sas_ex_discover_end_dev()
827 phy->attached_tproto, SAS_ADDR(parent->sas_addr), in sas_ex_discover_end_dev()
829 res = -ENODEV; in sas_ex_discover_end_dev()
835 list_add_tail(&child->siblings, &parent_ex->children); in sas_ex_discover_end_dev()
839 sas_port_delete(phy->port); in sas_ex_discover_end_dev()
841 phy->port = NULL; in sas_ex_discover_end_dev()
846 /* See if this phy is part of a wide port */
849 struct ex_phy *phy = &parent->ex_dev.ex_phy[phy_id]; in sas_ex_join_wide_port()
852 for (i = 0; i < parent->ex_dev.num_phys; i++) { in sas_ex_join_wide_port()
853 struct ex_phy *ephy = &parent->ex_dev.ex_phy[i]; in sas_ex_join_wide_port()
858 if (!memcmp(phy->attached_sas_addr, ephy->attached_sas_addr, in sas_ex_join_wide_port()
859 SAS_ADDR_SIZE) && ephy->port) { in sas_ex_join_wide_port()
860 sas_port_add_phy(ephy->port, phy->phy); in sas_ex_join_wide_port()
861 phy->port = ephy->port; in sas_ex_join_wide_port()
862 phy->phy_state = PHY_DEVICE_DISCOVERED; in sas_ex_join_wide_port()
873 struct sas_expander_device *parent_ex = rphy_to_expander_device(parent->rphy); in sas_ex_discover_expander()
874 struct ex_phy *phy = &parent->ex_dev.ex_phy[phy_id]; in sas_ex_discover_expander()
878 struct asd_sas_port *port; in sas_ex_discover_expander() local
881 if (phy->routing_attr == DIRECT_ROUTING) { in sas_ex_discover_expander()
882 pr_warn("ex %016llx:%02d:D <--> ex %016llx:0x%x is not allowed\n", in sas_ex_discover_expander()
883 SAS_ADDR(parent->sas_addr), phy_id, in sas_ex_discover_expander()
884 SAS_ADDR(phy->attached_sas_addr), in sas_ex_discover_expander()
885 phy->attached_phy_id); in sas_ex_discover_expander()
892 phy->port = sas_port_alloc(&parent->rphy->dev, phy_id); in sas_ex_discover_expander()
894 BUG_ON(sas_port_add(phy->port) != 0); in sas_ex_discover_expander()
897 switch (phy->attached_dev_type) { in sas_ex_discover_expander()
899 rphy = sas_expander_alloc(phy->port, in sas_ex_discover_expander()
903 rphy = sas_expander_alloc(phy->port, in sas_ex_discover_expander()
910 port = parent->port; in sas_ex_discover_expander()
911 child->rphy = rphy; in sas_ex_discover_expander()
912 get_device(&rphy->dev); in sas_ex_discover_expander()
914 child->dev_type = phy->attached_dev_type; in sas_ex_discover_expander()
915 kref_get(&parent->kref); in sas_ex_discover_expander()
916 child->parent = parent; in sas_ex_discover_expander()
917 child->port = port; in sas_ex_discover_expander()
918 child->iproto = phy->attached_iproto; in sas_ex_discover_expander()
919 child->tproto = phy->attached_tproto; in sas_ex_discover_expander()
920 memcpy(child->sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE); in sas_ex_discover_expander()
921 sas_hash_addr(child->hashed_sas_addr, child->sas_addr); in sas_ex_discover_expander()
923 edev->level = parent_ex->level + 1; in sas_ex_discover_expander()
924 parent->port->disc.max_level = max(parent->port->disc.max_level, in sas_ex_discover_expander()
925 edev->level); in sas_ex_discover_expander()
930 spin_lock_irq(&parent->port->dev_list_lock); in sas_ex_discover_expander()
931 list_add_tail(&child->dev_list_node, &parent->port->dev_list); in sas_ex_discover_expander()
932 spin_unlock_irq(&parent->port->dev_list_lock); in sas_ex_discover_expander()
937 spin_lock_irq(&parent->port->dev_list_lock); in sas_ex_discover_expander()
938 list_del(&child->dev_list_node); in sas_ex_discover_expander()
939 spin_unlock_irq(&parent->port->dev_list_lock); in sas_ex_discover_expander()
941 sas_port_delete(phy->port); in sas_ex_discover_expander()
942 phy->port = NULL; in sas_ex_discover_expander()
945 list_add_tail(&child->siblings, &parent->ex_dev.children); in sas_ex_discover_expander()
951 struct expander_device *ex = &dev->ex_dev; in sas_ex_discover_dev()
952 struct ex_phy *ex_phy = &ex->ex_phy[phy_id]; in sas_ex_discover_dev()
957 if (ex_phy->linkrate == SAS_SATA_SPINUP_HOLD) { in sas_ex_discover_dev()
965 if (!dev->parent && sas_phy_match_port_addr(dev->port, ex_phy)) { in sas_ex_discover_dev()
969 if (dev->parent && sas_phy_match_dev_addr(dev->parent, ex_phy)) { in sas_ex_discover_dev()
971 if (ex_phy->routing_attr == TABLE_ROUTING) in sas_ex_discover_dev()
972 sas_configure_phy(dev, phy_id, dev->port->sas_addr, 1); in sas_ex_discover_dev()
976 if (sas_dev_present_in_domain(dev->port, ex_phy->attached_sas_addr)) in sas_ex_discover_dev()
977 sas_ex_disable_port(dev, ex_phy->attached_sas_addr); in sas_ex_discover_dev()
979 if (ex_phy->attached_dev_type == SAS_PHY_UNUSED) { in sas_ex_discover_dev()
980 if (ex_phy->routing_attr == DIRECT_ROUTING) { in sas_ex_discover_dev()
981 memset(ex_phy->attached_sas_addr, 0, SAS_ADDR_SIZE); in sas_ex_discover_dev()
982 sas_configure_routing(dev, ex_phy->attached_sas_addr); in sas_ex_discover_dev()
985 } else if (ex_phy->linkrate == SAS_LINK_RATE_UNKNOWN) in sas_ex_discover_dev()
988 if (ex_phy->attached_dev_type != SAS_END_DEVICE && in sas_ex_discover_dev()
989 ex_phy->attached_dev_type != SAS_FANOUT_EXPANDER_DEVICE && in sas_ex_discover_dev()
990 ex_phy->attached_dev_type != SAS_EDGE_EXPANDER_DEVICE && in sas_ex_discover_dev()
991 ex_phy->attached_dev_type != SAS_SATA_PENDING) { in sas_ex_discover_dev()
993 ex_phy->attached_dev_type, in sas_ex_discover_dev()
994 SAS_ADDR(dev->sas_addr), in sas_ex_discover_dev()
999 res = sas_configure_routing(dev, ex_phy->attached_sas_addr); in sas_ex_discover_dev()
1002 SAS_ADDR(ex_phy->attached_sas_addr), res); in sas_ex_discover_dev()
1003 sas_disable_routing(dev, ex_phy->attached_sas_addr); in sas_ex_discover_dev()
1008 pr_debug("Attaching ex phy%02d to wide port %016llx\n", in sas_ex_discover_dev()
1009 phy_id, SAS_ADDR(ex_phy->attached_sas_addr)); in sas_ex_discover_dev()
1013 switch (ex_phy->attached_dev_type) { in sas_ex_discover_dev()
1019 if (SAS_ADDR(dev->port->disc.fanout_sas_addr)) { in sas_ex_discover_dev()
1021 SAS_ADDR(ex_phy->attached_sas_addr), in sas_ex_discover_dev()
1022 ex_phy->attached_phy_id, in sas_ex_discover_dev()
1023 SAS_ADDR(dev->sas_addr), in sas_ex_discover_dev()
1028 memcpy(dev->port->disc.fanout_sas_addr, in sas_ex_discover_dev()
1029 ex_phy->attached_sas_addr, SAS_ADDR_SIZE); in sas_ex_discover_dev()
1040 SAS_ADDR(dev->sas_addr), phy_id); in sas_ex_discover_dev()
1046 struct expander_device *ex = &dev->ex_dev; in sas_find_sub_addr()
1049 for (i = 0; i < ex->num_phys; i++) { in sas_find_sub_addr()
1050 struct ex_phy *phy = &ex->ex_phy[i]; in sas_find_sub_addr()
1052 if (phy->phy_state == PHY_VACANT || in sas_find_sub_addr()
1053 phy->phy_state == PHY_NOT_PRESENT) in sas_find_sub_addr()
1056 if (dev_is_expander(phy->attached_dev_type) && in sas_find_sub_addr()
1057 phy->routing_attr == SUBTRACTIVE_ROUTING) { in sas_find_sub_addr()
1059 memcpy(sub_addr, phy->attached_sas_addr, SAS_ADDR_SIZE); in sas_find_sub_addr()
1069 struct expander_device *ex = &dev->ex_dev; in sas_check_level_subtractive_boundary()
1073 list_for_each_entry(child, &ex->children, siblings) { in sas_check_level_subtractive_boundary()
1074 if (!dev_is_expander(child->dev_type)) in sas_check_level_subtractive_boundary()
1085 pr_notice("ex %016llx->%016llx-?->%016llx diverges from subtractive boundary %016llx\n", in sas_check_level_subtractive_boundary()
1086 SAS_ADDR(dev->sas_addr), in sas_check_level_subtractive_boundary()
1087 SAS_ADDR(child->sas_addr), in sas_check_level_subtractive_boundary()
1098 * sas_ex_discover_devices - discover devices attached to this expander
1100 * @single: if you want to do a single phy, else set to -1;
1107 struct expander_device *ex = &dev->ex_dev; in sas_ex_discover_devices()
1108 int i = 0, end = ex->num_phys; in sas_ex_discover_devices()
1117 struct ex_phy *ex_phy = &ex->ex_phy[i]; in sas_ex_discover_devices()
1119 if (ex_phy->phy_state == PHY_VACANT || in sas_ex_discover_devices()
1120 ex_phy->phy_state == PHY_NOT_PRESENT || in sas_ex_discover_devices()
1121 ex_phy->phy_state == PHY_DEVICE_DISCOVERED) in sas_ex_discover_devices()
1124 switch (ex_phy->linkrate) { in sas_ex_discover_devices()
1145 struct expander_device *ex = &dev->ex_dev; in sas_check_ex_subtractive_boundary()
1149 if (dev->dev_type != SAS_EDGE_EXPANDER_DEVICE) in sas_check_ex_subtractive_boundary()
1152 for (i = 0; i < ex->num_phys; i++) { in sas_check_ex_subtractive_boundary()
1153 struct ex_phy *phy = &ex->ex_phy[i]; in sas_check_ex_subtractive_boundary()
1155 if (phy->phy_state == PHY_VACANT || in sas_check_ex_subtractive_boundary()
1156 phy->phy_state == PHY_NOT_PRESENT) in sas_check_ex_subtractive_boundary()
1159 if (dev_is_expander(phy->attached_dev_type) && in sas_check_ex_subtractive_boundary()
1160 phy->routing_attr == SUBTRACTIVE_ROUTING) { in sas_check_ex_subtractive_boundary()
1163 sub_sas_addr = &phy->attached_sas_addr[0]; in sas_check_ex_subtractive_boundary()
1165 SAS_ADDR(phy->attached_sas_addr)) { in sas_check_ex_subtractive_boundary()
1168 SAS_ADDR(dev->sas_addr), i, in sas_check_ex_subtractive_boundary()
1169 SAS_ADDR(phy->attached_sas_addr), in sas_check_ex_subtractive_boundary()
1186 struct domain_device *parent = child->parent; in sas_print_parent_topology_bug()
1188 pr_notice("%s ex %016llx phy%02d <--> %s ex %016llx phy%02d has %c:%c routing link!\n", in sas_print_parent_topology_bug()
1189 ex_type[parent->dev_type], in sas_print_parent_topology_bug()
1190 SAS_ADDR(parent->sas_addr), in sas_print_parent_topology_bug()
1191 parent_phy->phy_id, in sas_print_parent_topology_bug()
1193 ex_type[child->dev_type], in sas_print_parent_topology_bug()
1194 SAS_ADDR(child->sas_addr), in sas_print_parent_topology_bug()
1195 child_phy->phy_id, in sas_print_parent_topology_bug()
1204 struct sas_discovery *disc = &parent->port->disc; in sas_eeds_valid()
1206 return (SAS_ADDR(disc->eeds_a) == SAS_ADDR(parent->sas_addr) || in sas_eeds_valid()
1207 SAS_ADDR(disc->eeds_a) == SAS_ADDR(child->sas_addr)) && in sas_eeds_valid()
1208 (SAS_ADDR(disc->eeds_b) == SAS_ADDR(parent->sas_addr) || in sas_eeds_valid()
1209 SAS_ADDR(disc->eeds_b) == SAS_ADDR(child->sas_addr)); in sas_eeds_valid()
1217 struct domain_device *parent = child->parent; in sas_check_eeds()
1218 struct sas_discovery *disc = &parent->port->disc; in sas_check_eeds()
1220 if (SAS_ADDR(disc->fanout_sas_addr) != 0) { in sas_check_eeds()
1221 res = -ENODEV; in sas_check_eeds()
1222 …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()
1223 SAS_ADDR(parent->sas_addr), in sas_check_eeds()
1224 parent_phy->phy_id, in sas_check_eeds()
1225 SAS_ADDR(child->sas_addr), in sas_check_eeds()
1226 child_phy->phy_id, in sas_check_eeds()
1227 SAS_ADDR(disc->fanout_sas_addr)); in sas_check_eeds()
1228 } else if (SAS_ADDR(disc->eeds_a) == 0) { in sas_check_eeds()
1229 memcpy(disc->eeds_a, parent->sas_addr, SAS_ADDR_SIZE); in sas_check_eeds()
1230 memcpy(disc->eeds_b, child->sas_addr, SAS_ADDR_SIZE); in sas_check_eeds()
1232 res = -ENODEV; in sas_check_eeds()
1233 pr_warn("edge ex %016llx phy%02d <--> edge ex %016llx phy%02d link forms a third EEDS!\n", in sas_check_eeds()
1234 SAS_ADDR(parent->sas_addr), in sas_check_eeds()
1235 parent_phy->phy_id, in sas_check_eeds()
1236 SAS_ADDR(child->sas_addr), in sas_check_eeds()
1237 child_phy->phy_id); in sas_check_eeds()
1246 struct expander_device *child_ex = &child->ex_dev; in sas_check_edge_expander_topo()
1247 struct expander_device *parent_ex = &child->parent->ex_dev; in sas_check_edge_expander_topo()
1250 child_phy = &child_ex->ex_phy[parent_phy->attached_phy_id]; in sas_check_edge_expander_topo()
1252 if (child->dev_type == SAS_FANOUT_EXPANDER_DEVICE) { in sas_check_edge_expander_topo()
1253 if (parent_phy->routing_attr != SUBTRACTIVE_ROUTING || in sas_check_edge_expander_topo()
1254 child_phy->routing_attr != TABLE_ROUTING) in sas_check_edge_expander_topo()
1256 } else if (parent_phy->routing_attr == SUBTRACTIVE_ROUTING) { in sas_check_edge_expander_topo()
1257 if (child_phy->routing_attr == SUBTRACTIVE_ROUTING) in sas_check_edge_expander_topo()
1259 else if (child_phy->routing_attr != TABLE_ROUTING) in sas_check_edge_expander_topo()
1261 } else if (parent_phy->routing_attr == TABLE_ROUTING) { in sas_check_edge_expander_topo()
1262 if (child_phy->routing_attr != SUBTRACTIVE_ROUTING && in sas_check_edge_expander_topo()
1263 (child_phy->routing_attr != TABLE_ROUTING || in sas_check_edge_expander_topo()
1264 !child_ex->t2t_supp || !parent_ex->t2t_supp)) in sas_check_edge_expander_topo()
1271 return -ENODEV; in sas_check_edge_expander_topo()
1277 struct expander_device *child_ex = &child->ex_dev; in sas_check_fanout_expander_topo()
1280 child_phy = &child_ex->ex_phy[parent_phy->attached_phy_id]; in sas_check_fanout_expander_topo()
1282 if (parent_phy->routing_attr == TABLE_ROUTING && in sas_check_fanout_expander_topo()
1283 child_phy->routing_attr == SUBTRACTIVE_ROUTING) in sas_check_fanout_expander_topo()
1288 return -ENODEV; in sas_check_fanout_expander_topo()
1297 if (!child->parent) in sas_check_parent_topology()
1300 if (!dev_is_expander(child->parent->dev_type)) in sas_check_parent_topology()
1303 parent_ex = &child->parent->ex_dev; in sas_check_parent_topology()
1305 for (i = 0; i < parent_ex->num_phys; i++) { in sas_check_parent_topology()
1306 struct ex_phy *parent_phy = &parent_ex->ex_phy[i]; in sas_check_parent_topology()
1308 if (parent_phy->phy_state == PHY_VACANT || in sas_check_parent_topology()
1309 parent_phy->phy_state == PHY_NOT_PRESENT) in sas_check_parent_topology()
1315 switch (child->parent->dev_type) { in sas_check_parent_topology()
1318 res = -ENODEV; in sas_check_parent_topology()
1322 res = -ENODEV; in sas_check_parent_topology()
1339 struct expander_device *ex = &dev->ex_dev; in sas_configure_present()
1340 struct ex_phy *phy = &ex->ex_phy[phy_id]; in sas_configure_present()
1349 return -ENOMEM; in sas_configure_present()
1354 return -ENOMEM; in sas_configure_present()
1360 for (i = 0; i < ex->max_route_indexes ; i++) { in sas_configure_present()
1369 SAS_ADDR(dev->sas_addr), phy_id, i); in sas_configure_present()
1373 __func__, SAS_ADDR(dev->sas_addr), phy_id, in sas_configure_present()
1391 phy->last_da_index < i) { in sas_configure_present()
1392 phy->last_da_index = i; in sas_configure_present()
1398 res = -1; in sas_configure_present()
1417 return -ENOMEM; in sas_configure_set()
1422 return -ENOMEM; in sas_configure_set()
1439 SAS_ADDR(dev->sas_addr), phy_id, index); in sas_configure_set()
1465 * sas_configure_parent - configure routing table of parent
1468 * @sas_addr: SAS port identifier of device directly attached to child
1475 struct expander_device *ex_parent = &parent->ex_dev; in sas_configure_parent()
1479 if (parent->parent) { in sas_configure_parent()
1480 res = sas_configure_parent(parent->parent, parent, sas_addr, in sas_configure_parent()
1486 if (ex_parent->conf_route_table == 0) { in sas_configure_parent()
1487 pr_debug("ex %016llx has self-configuring routing table\n", in sas_configure_parent()
1488 SAS_ADDR(parent->sas_addr)); in sas_configure_parent()
1492 for (i = 0; i < ex_parent->num_phys; i++) { in sas_configure_parent()
1493 struct ex_phy *phy = &ex_parent->ex_phy[i]; in sas_configure_parent()
1495 if ((phy->routing_attr == TABLE_ROUTING) && in sas_configure_parent()
1507 * sas_configure_routing - configure routing
1509 * @sas_addr: port identifier of device directly attached to the expander device
1513 if (dev->parent) in sas_configure_routing()
1514 return sas_configure_parent(dev->parent, dev, sas_addr, 1); in sas_configure_routing()
1520 if (dev->parent) in sas_disable_routing()
1521 return sas_configure_parent(dev->parent, dev, sas_addr, 0); in sas_disable_routing()
1526 * sas_discover_expander - expander discovery
1549 SAS_ADDR(dev->sas_addr), res); in sas_discover_expander()
1563 static int sas_ex_level_discovery(struct asd_sas_port *port, const int level) in sas_ex_level_discovery() argument
1568 list_for_each_entry(dev, &port->dev_list, dev_list_node) { in sas_ex_level_discovery()
1569 if (dev_is_expander(dev->dev_type)) { in sas_ex_level_discovery()
1571 rphy_to_expander_device(dev->rphy); in sas_ex_level_discovery()
1573 if (level == ex->level) in sas_ex_level_discovery()
1574 res = sas_ex_discover_devices(dev, -1); in sas_ex_level_discovery()
1575 else if (level > 0) in sas_ex_level_discovery()
1576 res = sas_ex_discover_devices(port->port_dev, -1); in sas_ex_level_discovery()
1584 static int sas_ex_bfs_disc(struct asd_sas_port *port) in sas_ex_bfs_disc() argument
1587 int level; in sas_ex_bfs_disc() local
1590 level = port->disc.max_level; in sas_ex_bfs_disc()
1591 res = sas_ex_level_discovery(port, level); in sas_ex_bfs_disc()
1593 } while (level < port->disc.max_level); in sas_ex_bfs_disc()
1601 struct sas_expander_device *ex = rphy_to_expander_device(dev->rphy); in sas_discover_root_expander()
1603 res = sas_rphy_add(dev->rphy); in sas_discover_root_expander()
1607 ex->level = dev->port->disc.max_level; /* 0 */ in sas_discover_root_expander()
1612 sas_ex_bfs_disc(dev->port); in sas_discover_root_expander()
1617 sas_rphy_remove(dev->rphy); in sas_discover_root_expander()
1622 /* ---------- Domain revalidation ---------- */
1632 return -ENOMEM; in sas_get_phy_discover()
1641 if (disc_resp->result != SMP_RESP_FUNC_ACC) in sas_get_phy_discover()
1642 res = disc_resp->result; in sas_get_phy_discover()
1656 return -ENOMEM; in sas_get_phy_change_count()
1660 *pcc = disc_resp->disc.change_count; in sas_get_phy_change_count()
1674 return -ENOMEM; in sas_get_phy_attached_dev()
1678 memcpy(sas_addr, disc_resp->disc.attached_sas_addr, in sas_get_phy_attached_dev()
1680 *type = to_dev_type(&disc_resp->disc); in sas_get_phy_attached_dev()
1691 struct expander_device *ex = &dev->ex_dev; in sas_find_bcast_phy()
1695 for (i = from_phy; i < ex->num_phys; i++) { in sas_find_bcast_phy()
1709 if (phy_change_count != ex->ex_phy[i].phy_change_count) { in sas_find_bcast_phy()
1711 ex->ex_phy[i].phy_change_count = in sas_find_bcast_phy()
1728 return -ENOMEM; in sas_get_ex_change_count()
1733 return -ENOMEM; in sas_get_ex_change_count()
1742 if (rg_resp->result != SMP_RESP_FUNC_ACC) { in sas_get_ex_change_count()
1743 res = rg_resp->result; in sas_get_ex_change_count()
1747 *ecc = be16_to_cpu(rg_resp->rg.change_count); in sas_get_ex_change_count()
1754 * sas_find_bcast_dev - find the device issue BROADCAST(CHANGE).
1758 * Add self-configuration expander support. Suppose two expander cascading,
1759 * when the first level expander is self-configuring, hotplug the disks in
1760 * second level expander, BROADCAST(CHANGE) will not only be originated
1761 * in the second level expander, but also be originated in the first level
1762 * expander (see SAS protocol SAS 2r-14, 7.11 for detail), it is to say,
1763 * expander changed count in two level expanders will all increment at least
1771 struct expander_device *ex = &dev->ex_dev; in sas_find_bcast_dev()
1772 int ex_change_count = -1; in sas_find_bcast_dev()
1773 int phy_id = -1; in sas_find_bcast_dev()
1780 if (ex_change_count != -1 && ex_change_count != ex->ex_change_count) { in sas_find_bcast_dev()
1786 if (phy_id != -1) { in sas_find_bcast_dev()
1788 ex->ex_change_count = ex_change_count; in sas_find_bcast_dev()
1790 SAS_ADDR(dev->sas_addr), phy_id); in sas_find_bcast_dev()
1794 SAS_ADDR(dev->sas_addr)); in sas_find_bcast_dev()
1796 list_for_each_entry(ch, &ex->children, siblings) { in sas_find_bcast_dev()
1797 if (dev_is_expander(ch->dev_type)) { in sas_find_bcast_dev()
1807 static void sas_unregister_ex_tree(struct asd_sas_port *port, struct domain_device *dev) in sas_unregister_ex_tree() argument
1809 struct expander_device *ex = &dev->ex_dev; in sas_unregister_ex_tree()
1812 list_for_each_entry_safe(child, n, &ex->children, siblings) { in sas_unregister_ex_tree()
1813 set_bit(SAS_DEV_GONE, &child->state); in sas_unregister_ex_tree()
1814 if (dev_is_expander(child->dev_type)) in sas_unregister_ex_tree()
1815 sas_unregister_ex_tree(port, child); in sas_unregister_ex_tree()
1817 sas_unregister_dev(port, child); in sas_unregister_ex_tree()
1819 sas_unregister_dev(port, dev); in sas_unregister_ex_tree()
1825 struct expander_device *ex_dev = &parent->ex_dev; in sas_unregister_devs_sas_addr()
1826 struct ex_phy *phy = &ex_dev->ex_phy[phy_id]; in sas_unregister_devs_sas_addr()
1830 &ex_dev->children, siblings) { in sas_unregister_devs_sas_addr()
1832 set_bit(SAS_DEV_GONE, &child->state); in sas_unregister_devs_sas_addr()
1833 if (dev_is_expander(child->dev_type)) in sas_unregister_devs_sas_addr()
1834 sas_unregister_ex_tree(parent->port, child); in sas_unregister_devs_sas_addr()
1836 sas_unregister_dev(parent->port, child); in sas_unregister_devs_sas_addr()
1841 sas_disable_routing(parent, phy->attached_sas_addr); in sas_unregister_devs_sas_addr()
1843 memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE); in sas_unregister_devs_sas_addr()
1844 if (phy->port) { in sas_unregister_devs_sas_addr()
1845 sas_port_delete_phy(phy->port, phy->phy); in sas_unregister_devs_sas_addr()
1846 sas_device_set_phy(found, phy->port); in sas_unregister_devs_sas_addr()
1847 if (phy->port->num_phys == 0) in sas_unregister_devs_sas_addr()
1848 list_add_tail(&phy->port->del_list, in sas_unregister_devs_sas_addr()
1849 &parent->port->sas_port_del_list); in sas_unregister_devs_sas_addr()
1850 phy->port = NULL; in sas_unregister_devs_sas_addr()
1855 const int level) in sas_discover_bfs_by_root_level() argument
1857 struct expander_device *ex_root = &root->ex_dev; in sas_discover_bfs_by_root_level()
1861 list_for_each_entry(child, &ex_root->children, siblings) { in sas_discover_bfs_by_root_level()
1862 if (dev_is_expander(child->dev_type)) { in sas_discover_bfs_by_root_level()
1864 rphy_to_expander_device(child->rphy); in sas_discover_bfs_by_root_level()
1866 if (level > ex->level) in sas_discover_bfs_by_root_level()
1868 level); in sas_discover_bfs_by_root_level()
1869 else if (level == ex->level) in sas_discover_bfs_by_root_level()
1870 res = sas_ex_discover_devices(child, -1); in sas_discover_bfs_by_root_level()
1879 struct sas_expander_device *ex = rphy_to_expander_device(dev->rphy); in sas_discover_bfs_by_root()
1880 int level = ex->level+1; in sas_discover_bfs_by_root() local
1882 res = sas_ex_discover_devices(dev, -1); in sas_discover_bfs_by_root()
1886 res = sas_discover_bfs_by_root_level(dev, level); in sas_discover_bfs_by_root()
1888 level += 1; in sas_discover_bfs_by_root()
1889 } while (level <= dev->port->disc.max_level); in sas_discover_bfs_by_root()
1896 struct ex_phy *ex_phy = &dev->ex_dev.ex_phy[phy_id]; in sas_discover_new()
1901 SAS_ADDR(dev->sas_addr), phy_id); in sas_discover_new()
1912 list_for_each_entry(child, &dev->ex_dev.children, siblings) { in sas_discover_new()
1914 if (dev_is_expander(child->dev_type)) in sas_discover_new()
1940 struct expander_device *ex = &dev->ex_dev; in sas_rediscover_dev()
1941 struct ex_phy *phy = &ex->ex_phy[phy_id]; in sas_rediscover_dev()
1948 sprintf(msg, ", part of a wide port with phy%02d", sibling); in sas_rediscover_dev()
1951 SAS_ADDR(dev->sas_addr), phy_id, msg); in sas_rediscover_dev()
1957 phy->phy_state = PHY_NOT_PRESENT; in sas_rediscover_dev()
1961 phy->phy_state = PHY_VACANT; in sas_rediscover_dev()
1966 case -ECOMM: in sas_rediscover_dev()
1972 if ((SAS_ADDR(sas_addr) == 0) || (res == -ECOMM)) { in sas_rediscover_dev()
1973 phy->phy_state = PHY_EMPTY; in sas_rediscover_dev()
1981 } else if (SAS_ADDR(sas_addr) == SAS_ADDR(phy->attached_sas_addr) && in sas_rediscover_dev()
1982 dev_type_flutter(type, phy->attached_dev_type)) { in sas_rediscover_dev()
1988 if (ata_dev && phy->attached_dev_type == SAS_SATA_PENDING) in sas_rediscover_dev()
1991 SAS_ADDR(dev->sas_addr), phy_id, action); in sas_rediscover_dev()
1997 SAS_ADDR(dev->sas_addr), phy_id, in sas_rediscover_dev()
1998 SAS_ADDR(phy->attached_sas_addr)); in sas_rediscover_dev()
2005 * sas_rediscover - revalidate the domain.
2012 * domain.For plugging out, we un-register the device only when it is
2013 * the last phy in the port, for other phys in this port, we just delete it
2014 * from the port.For inserting, we do discovery when it is the
2015 * first phy,for other phys in this port, we add it to the port to
2016 * forming the wide-port.
2020 struct expander_device *ex = &dev->ex_dev; in sas_rediscover()
2021 struct ex_phy *changed_phy = &ex->ex_phy[phy_id]; in sas_rediscover()
2024 bool last = true; /* is this the last phy of the port */ in sas_rediscover()
2027 SAS_ADDR(dev->sas_addr), phy_id); in sas_rediscover()
2029 if (SAS_ADDR(changed_phy->attached_sas_addr) != 0) { in sas_rediscover()
2030 for (i = 0; i < ex->num_phys; i++) { in sas_rediscover()
2031 struct ex_phy *phy = &ex->ex_phy[i]; in sas_rediscover()
2047 * sas_ex_revalidate_domain - revalidate the domain
2048 * @port_dev: port domain device.
2062 struct expander_device *ex = &dev->ex_dev; in sas_ex_revalidate_domain()
2066 phy_id = -1; in sas_ex_revalidate_domain()
2068 if (phy_id == -1) in sas_ex_revalidate_domain()
2072 } while (i < ex->num_phys); in sas_ex_revalidate_domain()
2083 for (phy_id = 0; phy_id < ex_dev->num_phys; phy_id++) { in sas_find_attached_phy_id()
2084 phy = &ex_dev->ex_phy[phy_id]; in sas_find_attached_phy_id()
2089 return -ENODEV; in sas_find_attached_phy_id()
2098 int ret = -EINVAL; in sas_smp_handler()
2104 switch (rphy->identify.device_type) { in sas_smp_handler()
2121 if (job->request_payload.sg_cnt > 1 || in sas_smp_handler()
2122 job->reply_payload.sg_cnt > 1) { in sas_smp_handler()
2124 __func__, job->request_payload.payload_len, in sas_smp_handler()
2125 job->reply_payload.payload_len); in sas_smp_handler()
2129 ret = smp_execute_task_sg(dev, job->request_payload.sg_list, in sas_smp_handler()
2130 job->reply_payload.sg_list); in sas_smp_handler()
2133 rcvlen = job->reply_payload.payload_len - ret; in sas_smp_handler()