Lines Matching +full:parent +full:- +full:child
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
42 /* ---------- SMP task management ---------- */
47 struct sas_task *task = slow->task; in smp_task_timedout()
50 spin_lock_irqsave(&task->task_state_lock, flags); in smp_task_timedout()
51 if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { in smp_task_timedout()
52 task->task_state_flags |= SAS_TASK_STATE_ABORTED; in smp_task_timedout()
53 complete(&task->slow_task->completion); in smp_task_timedout()
55 spin_unlock_irqrestore(&task->task_state_lock, flags); in smp_task_timedout()
60 del_timer(&task->slow_task->timer); in smp_task_done()
61 complete(&task->slow_task->completion); in smp_task_done()
73 to_sas_internal(dev->port->ha->core.shost->transportt); in smp_execute_task_sg()
75 mutex_lock(&dev->ex_dev.cmd_mutex); in smp_execute_task_sg()
77 if (test_bit(SAS_DEV_GONE, &dev->state)) { in smp_execute_task_sg()
78 res = -ECOMM; in smp_execute_task_sg()
84 res = -ENOMEM; in smp_execute_task_sg()
87 task->dev = dev; in smp_execute_task_sg()
88 task->task_proto = dev->tproto; in smp_execute_task_sg()
89 task->smp_task.smp_req = *req; in smp_execute_task_sg()
90 task->smp_task.smp_resp = *resp; in smp_execute_task_sg()
92 task->task_done = smp_task_done; in smp_execute_task_sg()
94 task->slow_task->timer.function = smp_task_timedout; in smp_execute_task_sg()
95 task->slow_task->timer.expires = jiffies + SMP_TIMEOUT*HZ; in smp_execute_task_sg()
96 add_timer(&task->slow_task->timer); in smp_execute_task_sg()
98 res = i->dft->lldd_execute_task(task, GFP_KERNEL); in smp_execute_task_sg()
101 del_timer(&task->slow_task->timer); in smp_execute_task_sg()
106 wait_for_completion(&task->slow_task->completion); in smp_execute_task_sg()
107 res = -ECOMM; in smp_execute_task_sg()
108 if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) { in smp_execute_task_sg()
110 i->dft->lldd_abort_task(task); in smp_execute_task_sg()
111 if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { in smp_execute_task_sg()
116 if (task->task_status.resp == SAS_TASK_COMPLETE && in smp_execute_task_sg()
117 task->task_status.stat == SAM_STAT_GOOD) { in smp_execute_task_sg()
121 if (task->task_status.resp == SAS_TASK_COMPLETE && in smp_execute_task_sg()
122 task->task_status.stat == SAS_DATA_UNDERRUN) { in smp_execute_task_sg()
125 res = task->task_status.residual; in smp_execute_task_sg()
128 if (task->task_status.resp == SAS_TASK_COMPLETE && in smp_execute_task_sg()
129 task->task_status.stat == SAS_DATA_OVERRUN) { in smp_execute_task_sg()
130 res = -EMSGSIZE; in smp_execute_task_sg()
133 if (task->task_status.resp == SAS_TASK_UNDELIVERED && in smp_execute_task_sg()
134 task->task_status.stat == SAS_DEVICE_UNKNOWN) in smp_execute_task_sg()
139 SAS_ADDR(dev->sas_addr), in smp_execute_task_sg()
140 task->task_status.resp, in smp_execute_task_sg()
141 task->task_status.stat); in smp_execute_task_sg()
146 mutex_unlock(&dev->ex_dev.cmd_mutex); in smp_execute_task_sg()
164 /* ---------- Allocations ---------- */
181 switch (phy->routing_attr) { in sas_route_char()
183 if (dev->ex_dev.t2t_supp) in sas_route_char()
199 * FIS as described in section J.5 of sas-2 r16 in to_dev_type()
201 if (dr->attached_dev_type == SAS_PHY_UNUSED && dr->attached_sata_dev && in to_dev_type()
202 dr->linkrate >= SAS_LINK_RATE_1_5_GBPS) in to_dev_type()
205 return dr->attached_dev_type; in to_dev_type()
214 struct discover_resp *dr = &resp->disc; in sas_set_ex_phy()
215 struct sas_ha_struct *ha = dev->port->ha; in sas_set_ex_phy()
216 struct expander_device *ex = &dev->ex_dev; in sas_set_ex_phy()
217 struct ex_phy *phy = &ex->ex_phy[phy_id]; in sas_set_ex_phy()
218 struct sas_rphy *rphy = dev->rphy; in sas_set_ex_phy()
219 bool new_phy = !phy->phy; in sas_set_ex_phy()
223 if (WARN_ON_ONCE(test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state))) in sas_set_ex_phy()
225 phy->phy = sas_phy_alloc(&rphy->dev, phy_id); in sas_set_ex_phy()
228 BUG_ON(!phy->phy); in sas_set_ex_phy()
231 switch (resp->result) { in sas_set_ex_phy()
233 phy->phy_state = PHY_VACANT; in sas_set_ex_phy()
236 phy->phy_state = PHY_NOT_PRESENT; in sas_set_ex_phy()
239 phy->phy_state = PHY_EMPTY; /* do not know yet */ in sas_set_ex_phy()
244 dev_type = phy->attached_dev_type; in sas_set_ex_phy()
245 linkrate = phy->linkrate; in sas_set_ex_phy()
246 memcpy(sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE); in sas_set_ex_phy()
248 /* Handle vacant phy - rest of dr data is not valid so skip it */ in sas_set_ex_phy()
249 if (phy->phy_state == PHY_VACANT) { in sas_set_ex_phy()
250 memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE); in sas_set_ex_phy()
251 phy->attached_dev_type = SAS_PHY_UNUSED; in sas_set_ex_phy()
252 if (!test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state)) { in sas_set_ex_phy()
253 phy->phy_id = phy_id; in sas_set_ex_phy()
259 phy->attached_dev_type = to_dev_type(dr); in sas_set_ex_phy()
260 if (test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state)) in sas_set_ex_phy()
262 phy->phy_id = phy_id; in sas_set_ex_phy()
263 phy->linkrate = dr->linkrate; in sas_set_ex_phy()
264 phy->attached_sata_host = dr->attached_sata_host; in sas_set_ex_phy()
265 phy->attached_sata_dev = dr->attached_sata_dev; in sas_set_ex_phy()
266 phy->attached_sata_ps = dr->attached_sata_ps; in sas_set_ex_phy()
267 phy->attached_iproto = dr->iproto << 1; in sas_set_ex_phy()
268 phy->attached_tproto = dr->tproto << 1; in sas_set_ex_phy()
272 if (phy->attached_dev_type == SAS_PHY_UNUSED || in sas_set_ex_phy()
273 phy->linkrate < SAS_LINK_RATE_1_5_GBPS) in sas_set_ex_phy()
274 memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE); in sas_set_ex_phy()
276 memcpy(phy->attached_sas_addr, dr->attached_sas_addr, SAS_ADDR_SIZE); in sas_set_ex_phy()
277 phy->attached_phy_id = dr->attached_phy_id; in sas_set_ex_phy()
278 phy->phy_change_count = dr->change_count; in sas_set_ex_phy()
279 phy->routing_attr = dr->routing_attr; in sas_set_ex_phy()
280 phy->virtual = dr->virtual; in sas_set_ex_phy()
281 phy->last_da_index = -1; in sas_set_ex_phy()
283 phy->phy->identify.sas_address = SAS_ADDR(phy->attached_sas_addr); in sas_set_ex_phy()
284 phy->phy->identify.device_type = dr->attached_dev_type; in sas_set_ex_phy()
285 phy->phy->identify.initiator_port_protocols = phy->attached_iproto; in sas_set_ex_phy()
286 phy->phy->identify.target_port_protocols = phy->attached_tproto; in sas_set_ex_phy()
287 if (!phy->attached_tproto && dr->attached_sata_dev) in sas_set_ex_phy()
288 phy->phy->identify.target_port_protocols = SAS_PROTOCOL_SATA; in sas_set_ex_phy()
289 phy->phy->identify.phy_identifier = phy_id; in sas_set_ex_phy()
290 phy->phy->minimum_linkrate_hw = dr->hmin_linkrate; in sas_set_ex_phy()
291 phy->phy->maximum_linkrate_hw = dr->hmax_linkrate; in sas_set_ex_phy()
292 phy->phy->minimum_linkrate = dr->pmin_linkrate; in sas_set_ex_phy()
293 phy->phy->maximum_linkrate = dr->pmax_linkrate; in sas_set_ex_phy()
294 phy->phy->negotiated_linkrate = phy->linkrate; in sas_set_ex_phy()
295 phy->phy->enabled = (phy->linkrate != SAS_PHY_DISABLED); in sas_set_ex_phy()
299 if (sas_phy_add(phy->phy)) { in sas_set_ex_phy()
300 sas_phy_free(phy->phy); in sas_set_ex_phy()
305 switch (phy->attached_dev_type) { in sas_set_ex_phy()
313 if (phy->attached_iproto) { in sas_set_ex_phy()
314 if (phy->attached_tproto) in sas_set_ex_phy()
319 if (dr->attached_sata_dev) in sas_set_ex_phy()
336 if (new_phy || phy->attached_dev_type != dev_type || in sas_set_ex_phy()
337 phy->linkrate != linkrate || in sas_set_ex_phy()
338 SAS_ADDR(phy->attached_sas_addr) != SAS_ADDR(sas_addr)) in sas_set_ex_phy()
347 if (test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state)) in sas_set_ex_phy()
348 set_bit(DISCE_REVALIDATE_DOMAIN, &dev->port->disc.pending); in sas_set_ex_phy()
351 test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state) ? "ata: " : "", in sas_set_ex_phy()
352 SAS_ADDR(dev->sas_addr), phy->phy_id, in sas_set_ex_phy()
353 sas_route_char(dev, phy), phy->linkrate, in sas_set_ex_phy()
354 SAS_ADDR(phy->attached_sas_addr), type); in sas_set_ex_phy()
360 struct ex_phy *ex_phy = &ex_dev->ex_dev.ex_phy[phy_id]; in sas_ex_to_ata()
364 if (!ex_phy->port) in sas_ex_to_ata()
367 rphy = ex_phy->port->rphy; in sas_ex_to_ata()
394 dr = &((struct smp_resp *)disc_resp)->disc; in sas_ex_phy_discover_helper()
395 if (memcmp(dev->sas_addr, dr->attached_sas_addr, SAS_ADDR_SIZE) == 0) { in sas_ex_phy_discover_helper()
405 struct expander_device *ex = &dev->ex_dev; in sas_ex_phy_discover()
412 return -ENOMEM; in sas_ex_phy_discover()
417 return -ENOMEM; in sas_ex_phy_discover()
422 if (0 <= single && single < ex->num_phys) { in sas_ex_phy_discover()
427 for (i = 0; i < ex->num_phys; i++) { in sas_ex_phy_discover()
442 struct expander_device *ex = &dev->ex_dev; in sas_expander_discover()
443 int res = -ENOMEM; in sas_expander_discover()
445 ex->ex_phy = kcalloc(ex->num_phys, sizeof(*ex->ex_phy), GFP_KERNEL); in sas_expander_discover()
446 if (!ex->ex_phy) in sas_expander_discover()
447 return -ENOMEM; in sas_expander_discover()
449 res = sas_ex_phy_discover(dev, -1); in sas_expander_discover()
455 kfree(ex->ex_phy); in sas_expander_discover()
456 ex->ex_phy = NULL; in sas_expander_discover()
465 struct report_general_resp *rg = &resp->rg; in ex_assign_report_general()
467 dev->ex_dev.ex_change_count = be16_to_cpu(rg->change_count); in ex_assign_report_general()
468 dev->ex_dev.max_route_indexes = be16_to_cpu(rg->route_indexes); in ex_assign_report_general()
469 dev->ex_dev.num_phys = min(rg->num_phys, (u8)MAX_EXPANDER_PHYS); in ex_assign_report_general()
470 dev->ex_dev.t2t_supp = rg->t2t_supp; in ex_assign_report_general()
471 dev->ex_dev.conf_route_table = rg->conf_route_table; in ex_assign_report_general()
472 dev->ex_dev.configuring = rg->configuring; in ex_assign_report_general()
473 memcpy(dev->ex_dev.enclosure_logical_id, rg->enclosure_logical_id, 8); in ex_assign_report_general()
488 return -ENOMEM; in sas_ex_general()
493 return -ENOMEM; in sas_ex_general()
504 SAS_ADDR(dev->sas_addr), res); in sas_ex_general()
506 } else if (rg_resp->result != SMP_RESP_FUNC_ACC) { in sas_ex_general()
508 SAS_ADDR(dev->sas_addr), rg_resp->result); in sas_ex_general()
509 res = rg_resp->result; in sas_ex_general()
515 if (dev->ex_dev.configuring) { in sas_ex_general()
516 SAS_DPRINTK("RG: ex %llx self-configuring...\n", in sas_ex_general()
517 SAS_ADDR(dev->sas_addr)); in sas_ex_general()
532 struct sas_rphy *rphy = dev->rphy; in ex_assign_manuf_info()
535 memcpy(edev->vendor_id, mi_resp + 12, SAS_EXPANDER_VENDOR_ID_LEN); in ex_assign_manuf_info()
536 memcpy(edev->product_id, mi_resp + 20, SAS_EXPANDER_PRODUCT_ID_LEN); in ex_assign_manuf_info()
537 memcpy(edev->product_rev, mi_resp + 36, in ex_assign_manuf_info()
541 memcpy(edev->component_vendor_id, mi_resp + 40, in ex_assign_manuf_info()
543 edev->component_id = mi_resp[48] << 8 | mi_resp[49]; in ex_assign_manuf_info()
544 edev->component_revision_id = mi_resp[50]; in ex_assign_manuf_info()
559 return -ENOMEM; in sas_ex_manuf_info()
564 return -ENOMEM; in sas_ex_manuf_info()
572 SAS_ADDR(dev->sas_addr), res); in sas_ex_manuf_info()
576 SAS_ADDR(dev->sas_addr), mi_resp[2]); in sas_ex_manuf_info()
600 return -ENOMEM; in sas_smp_phy_control()
605 return -ENOMEM; in sas_smp_phy_control()
612 pc_req[32] = rates->minimum_linkrate << 4; in sas_smp_phy_control()
613 pc_req[33] = rates->maximum_linkrate << 4; in sas_smp_phy_control()
619 SAS_ADDR(dev->sas_addr), phy_id, res); in sas_smp_phy_control()
622 SAS_ADDR(dev->sas_addr), phy_id, pc_resp[2]); in sas_smp_phy_control()
632 struct expander_device *ex = &dev->ex_dev; in sas_ex_disable_phy()
633 struct ex_phy *phy = &ex->ex_phy[phy_id]; in sas_ex_disable_phy()
636 phy->linkrate = SAS_PHY_DISABLED; in sas_ex_disable_phy()
641 struct expander_device *ex = &dev->ex_dev; in sas_ex_disable_port()
644 for (i = 0; i < ex->num_phys; i++) { in sas_ex_disable_port()
645 struct ex_phy *phy = &ex->ex_phy[i]; in sas_ex_disable_port()
647 if (phy->phy_state == PHY_VACANT || in sas_ex_disable_port()
648 phy->phy_state == PHY_NOT_PRESENT) in sas_ex_disable_port()
651 if (SAS_ADDR(phy->attached_sas_addr) == SAS_ADDR(sas_addr)) in sas_ex_disable_port()
661 if (SAS_ADDR(port->sas_addr) == SAS_ADDR(sas_addr)) in sas_dev_present_in_domain()
663 list_for_each_entry(dev, &port->dev_list, dev_list_node) { in sas_dev_present_in_domain()
664 if (SAS_ADDR(dev->sas_addr) == SAS_ADDR(sas_addr)) in sas_dev_present_in_domain()
677 struct sas_rphy *rphy = dev_to_rphy(phy->dev.parent); in sas_smp_get_phy_events()
682 return -ENOMEM; in sas_smp_get_phy_events()
687 return -ENOMEM; in sas_smp_get_phy_events()
691 req[9] = phy->number; in sas_smp_get_phy_events()
699 phy->invalid_dword_count = scsi_to_u32(&resp[12]); in sas_smp_get_phy_events()
700 phy->running_disparity_error_count = scsi_to_u32(&resp[16]); in sas_smp_get_phy_events()
701 phy->loss_of_dword_sync_count = scsi_to_u32(&resp[20]); in sas_smp_get_phy_events()
702 phy->phy_reset_problem_count = scsi_to_u32(&resp[24]); in sas_smp_get_phy_events()
724 return -ENOMEM; in sas_get_report_phy_sata()
733 * standards cockup here. sas-2 explicitly specifies the FIS in sas_get_report_phy_sata()
757 static void sas_ex_get_linkrate(struct domain_device *parent, in sas_ex_get_linkrate() argument
758 struct domain_device *child, in sas_ex_get_linkrate() argument
761 struct expander_device *parent_ex = &parent->ex_dev; in sas_ex_get_linkrate()
765 child->pathways = 0; in sas_ex_get_linkrate()
767 port = parent_phy->port; in sas_ex_get_linkrate()
769 for (i = 0; i < parent_ex->num_phys; i++) { in sas_ex_get_linkrate()
770 struct ex_phy *phy = &parent_ex->ex_phy[i]; in sas_ex_get_linkrate()
772 if (phy->phy_state == PHY_VACANT || in sas_ex_get_linkrate()
773 phy->phy_state == PHY_NOT_PRESENT) in sas_ex_get_linkrate()
776 if (SAS_ADDR(phy->attached_sas_addr) == in sas_ex_get_linkrate()
777 SAS_ADDR(child->sas_addr)) { in sas_ex_get_linkrate()
779 child->min_linkrate = min(parent->min_linkrate, in sas_ex_get_linkrate()
780 phy->linkrate); in sas_ex_get_linkrate()
781 child->max_linkrate = max(parent->max_linkrate, in sas_ex_get_linkrate()
782 phy->linkrate); in sas_ex_get_linkrate()
783 child->pathways++; in sas_ex_get_linkrate()
784 sas_port_add_phy(port, phy->phy); in sas_ex_get_linkrate()
787 child->linkrate = min(parent_phy->linkrate, child->max_linkrate); in sas_ex_get_linkrate()
788 child->pathways = min(child->pathways, parent->pathways); in sas_ex_get_linkrate()
792 struct domain_device *parent, int phy_id) in sas_ex_discover_end_dev() argument
794 struct expander_device *parent_ex = &parent->ex_dev; in sas_ex_discover_end_dev()
795 struct ex_phy *phy = &parent_ex->ex_phy[phy_id]; in sas_ex_discover_end_dev()
796 struct domain_device *child = NULL; in sas_ex_discover_end_dev() local
800 if (phy->attached_sata_host || phy->attached_sata_ps) in sas_ex_discover_end_dev()
803 child = sas_alloc_device(); in sas_ex_discover_end_dev()
804 if (!child) in sas_ex_discover_end_dev()
807 kref_get(&parent->kref); in sas_ex_discover_end_dev()
808 child->parent = parent; in sas_ex_discover_end_dev()
809 child->port = parent->port; in sas_ex_discover_end_dev()
810 child->iproto = phy->attached_iproto; in sas_ex_discover_end_dev()
811 memcpy(child->sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE); in sas_ex_discover_end_dev()
812 sas_hash_addr(child->hashed_sas_addr, child->sas_addr); in sas_ex_discover_end_dev()
813 if (!phy->port) { in sas_ex_discover_end_dev()
814 phy->port = sas_port_alloc(&parent->rphy->dev, phy_id); in sas_ex_discover_end_dev()
815 if (unlikely(!phy->port)) in sas_ex_discover_end_dev()
817 if (unlikely(sas_port_add(phy->port) != 0)) { in sas_ex_discover_end_dev()
818 sas_port_free(phy->port); in sas_ex_discover_end_dev()
822 sas_ex_get_linkrate(parent, child, phy); in sas_ex_discover_end_dev()
823 sas_device_set_phy(child, phy->port); in sas_ex_discover_end_dev()
826 if ((phy->attached_tproto & SAS_PROTOCOL_STP) || phy->attached_sata_dev) { in sas_ex_discover_end_dev()
827 if (child->linkrate > parent->min_linkrate) { in sas_ex_discover_end_dev()
829 .maximum_linkrate = parent->min_linkrate, in sas_ex_discover_end_dev()
830 .minimum_linkrate = parent->min_linkrate, in sas_ex_discover_end_dev()
835 SAS_ADDR(child->sas_addr), phy_id); in sas_ex_discover_end_dev()
836 ret = sas_smp_phy_control(parent, phy_id, in sas_ex_discover_end_dev()
840 SAS_ADDR(child->sas_addr), phy_id, ret); in sas_ex_discover_end_dev()
844 SAS_ADDR(child->sas_addr), phy_id); in sas_ex_discover_end_dev()
845 child->linkrate = child->min_linkrate; in sas_ex_discover_end_dev()
847 res = sas_get_ata_info(child, phy); in sas_ex_discover_end_dev()
851 sas_init_dev(child); in sas_ex_discover_end_dev()
852 res = sas_ata_init(child); in sas_ex_discover_end_dev()
855 rphy = sas_end_device_alloc(phy->port); in sas_ex_discover_end_dev()
858 rphy->identify.phy_identifier = phy_id; in sas_ex_discover_end_dev()
860 child->rphy = rphy; in sas_ex_discover_end_dev()
861 get_device(&rphy->dev); in sas_ex_discover_end_dev()
863 list_add_tail(&child->disco_list_node, &parent->port->disco_list); in sas_ex_discover_end_dev()
865 res = sas_discover_sata(child); in sas_ex_discover_end_dev()
869 SAS_ADDR(child->sas_addr), in sas_ex_discover_end_dev()
870 SAS_ADDR(parent->sas_addr), phy_id, res); in sas_ex_discover_end_dev()
875 if (phy->attached_tproto & SAS_PROTOCOL_SSP) { in sas_ex_discover_end_dev()
876 child->dev_type = SAS_END_DEVICE; in sas_ex_discover_end_dev()
877 rphy = sas_end_device_alloc(phy->port); in sas_ex_discover_end_dev()
881 child->tproto = phy->attached_tproto; in sas_ex_discover_end_dev()
882 sas_init_dev(child); in sas_ex_discover_end_dev()
884 child->rphy = rphy; in sas_ex_discover_end_dev()
885 get_device(&rphy->dev); in sas_ex_discover_end_dev()
886 rphy->identify.phy_identifier = phy_id; in sas_ex_discover_end_dev()
887 sas_fill_in_rphy(child, rphy); in sas_ex_discover_end_dev()
889 list_add_tail(&child->disco_list_node, &parent->port->disco_list); in sas_ex_discover_end_dev()
891 res = sas_discover_end_dev(child); in sas_ex_discover_end_dev()
895 SAS_ADDR(child->sas_addr), in sas_ex_discover_end_dev()
896 SAS_ADDR(parent->sas_addr), phy_id, res); in sas_ex_discover_end_dev()
901 phy->attached_tproto, SAS_ADDR(parent->sas_addr), in sas_ex_discover_end_dev()
906 list_add_tail(&child->siblings, &parent_ex->children); in sas_ex_discover_end_dev()
907 return child; in sas_ex_discover_end_dev()
910 sas_rphy_free(child->rphy); in sas_ex_discover_end_dev()
911 list_del(&child->disco_list_node); in sas_ex_discover_end_dev()
912 spin_lock_irq(&parent->port->dev_list_lock); in sas_ex_discover_end_dev()
913 list_del(&child->dev_list_node); in sas_ex_discover_end_dev()
914 spin_unlock_irq(&parent->port->dev_list_lock); in sas_ex_discover_end_dev()
916 sas_port_delete(phy->port); in sas_ex_discover_end_dev()
918 phy->port = NULL; in sas_ex_discover_end_dev()
919 sas_put_device(child); in sas_ex_discover_end_dev()
924 static bool sas_ex_join_wide_port(struct domain_device *parent, int phy_id) in sas_ex_join_wide_port() argument
926 struct ex_phy *phy = &parent->ex_dev.ex_phy[phy_id]; in sas_ex_join_wide_port()
929 for (i = 0; i < parent->ex_dev.num_phys; i++) { in sas_ex_join_wide_port()
930 struct ex_phy *ephy = &parent->ex_dev.ex_phy[i]; in sas_ex_join_wide_port()
935 if (!memcmp(phy->attached_sas_addr, ephy->attached_sas_addr, in sas_ex_join_wide_port()
936 SAS_ADDR_SIZE) && ephy->port) { in sas_ex_join_wide_port()
937 sas_port_add_phy(ephy->port, phy->phy); in sas_ex_join_wide_port()
938 phy->port = ephy->port; in sas_ex_join_wide_port()
939 phy->phy_state = PHY_DEVICE_DISCOVERED; in sas_ex_join_wide_port()
948 struct domain_device *parent, int phy_id) in sas_ex_discover_expander() argument
950 struct sas_expander_device *parent_ex = rphy_to_expander_device(parent->rphy); in sas_ex_discover_expander()
951 struct ex_phy *phy = &parent->ex_dev.ex_phy[phy_id]; in sas_ex_discover_expander()
952 struct domain_device *child = NULL; in sas_ex_discover_expander() local
958 if (phy->routing_attr == DIRECT_ROUTING) { in sas_ex_discover_expander()
959 SAS_DPRINTK("ex %016llx:0x%x:D <--> ex %016llx:0x%x is not " in sas_ex_discover_expander()
961 SAS_ADDR(parent->sas_addr), phy_id, in sas_ex_discover_expander()
962 SAS_ADDR(phy->attached_sas_addr), in sas_ex_discover_expander()
963 phy->attached_phy_id); in sas_ex_discover_expander()
966 child = sas_alloc_device(); in sas_ex_discover_expander()
967 if (!child) in sas_ex_discover_expander()
970 phy->port = sas_port_alloc(&parent->rphy->dev, phy_id); in sas_ex_discover_expander()
972 BUG_ON(sas_port_add(phy->port) != 0); in sas_ex_discover_expander()
975 switch (phy->attached_dev_type) { in sas_ex_discover_expander()
977 rphy = sas_expander_alloc(phy->port, in sas_ex_discover_expander()
981 rphy = sas_expander_alloc(phy->port, in sas_ex_discover_expander()
988 port = parent->port; in sas_ex_discover_expander()
989 child->rphy = rphy; in sas_ex_discover_expander()
990 get_device(&rphy->dev); in sas_ex_discover_expander()
992 child->dev_type = phy->attached_dev_type; in sas_ex_discover_expander()
993 kref_get(&parent->kref); in sas_ex_discover_expander()
994 child->parent = parent; in sas_ex_discover_expander()
995 child->port = port; in sas_ex_discover_expander()
996 child->iproto = phy->attached_iproto; in sas_ex_discover_expander()
997 child->tproto = phy->attached_tproto; in sas_ex_discover_expander()
998 memcpy(child->sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE); in sas_ex_discover_expander()
999 sas_hash_addr(child->hashed_sas_addr, child->sas_addr); in sas_ex_discover_expander()
1000 sas_ex_get_linkrate(parent, child, phy); in sas_ex_discover_expander()
1001 edev->level = parent_ex->level + 1; in sas_ex_discover_expander()
1002 parent->port->disc.max_level = max(parent->port->disc.max_level, in sas_ex_discover_expander()
1003 edev->level); in sas_ex_discover_expander()
1004 sas_init_dev(child); in sas_ex_discover_expander()
1005 sas_fill_in_rphy(child, rphy); in sas_ex_discover_expander()
1008 spin_lock_irq(&parent->port->dev_list_lock); in sas_ex_discover_expander()
1009 list_add_tail(&child->dev_list_node, &parent->port->dev_list); in sas_ex_discover_expander()
1010 spin_unlock_irq(&parent->port->dev_list_lock); in sas_ex_discover_expander()
1012 res = sas_discover_expander(child); in sas_ex_discover_expander()
1015 spin_lock_irq(&parent->port->dev_list_lock); in sas_ex_discover_expander()
1016 list_del(&child->dev_list_node); in sas_ex_discover_expander()
1017 spin_unlock_irq(&parent->port->dev_list_lock); in sas_ex_discover_expander()
1018 sas_put_device(child); in sas_ex_discover_expander()
1019 sas_port_delete(phy->port); in sas_ex_discover_expander()
1020 phy->port = NULL; in sas_ex_discover_expander()
1023 list_add_tail(&child->siblings, &parent->ex_dev.children); in sas_ex_discover_expander()
1024 return child; in sas_ex_discover_expander()
1029 struct expander_device *ex = &dev->ex_dev; in sas_ex_discover_dev()
1030 struct ex_phy *ex_phy = &ex->ex_phy[phy_id]; in sas_ex_discover_dev()
1031 struct domain_device *child = NULL; in sas_ex_discover_dev() local
1035 if (ex_phy->linkrate == SAS_SATA_SPINUP_HOLD) { in sas_ex_discover_dev()
1042 /* Parent and domain coherency */ in sas_ex_discover_dev()
1043 if (!dev->parent && (SAS_ADDR(ex_phy->attached_sas_addr) == in sas_ex_discover_dev()
1044 SAS_ADDR(dev->port->sas_addr))) { in sas_ex_discover_dev()
1048 if (dev->parent && (SAS_ADDR(ex_phy->attached_sas_addr) == in sas_ex_discover_dev()
1049 SAS_ADDR(dev->parent->sas_addr))) { in sas_ex_discover_dev()
1051 if (ex_phy->routing_attr == TABLE_ROUTING) in sas_ex_discover_dev()
1052 sas_configure_phy(dev, phy_id, dev->port->sas_addr, 1); in sas_ex_discover_dev()
1056 if (sas_dev_present_in_domain(dev->port, ex_phy->attached_sas_addr)) in sas_ex_discover_dev()
1057 sas_ex_disable_port(dev, ex_phy->attached_sas_addr); in sas_ex_discover_dev()
1059 if (ex_phy->attached_dev_type == SAS_PHY_UNUSED) { in sas_ex_discover_dev()
1060 if (ex_phy->routing_attr == DIRECT_ROUTING) { in sas_ex_discover_dev()
1061 memset(ex_phy->attached_sas_addr, 0, SAS_ADDR_SIZE); in sas_ex_discover_dev()
1062 sas_configure_routing(dev, ex_phy->attached_sas_addr); in sas_ex_discover_dev()
1065 } else if (ex_phy->linkrate == SAS_LINK_RATE_UNKNOWN) in sas_ex_discover_dev()
1068 if (ex_phy->attached_dev_type != SAS_END_DEVICE && in sas_ex_discover_dev()
1069 ex_phy->attached_dev_type != SAS_FANOUT_EXPANDER_DEVICE && in sas_ex_discover_dev()
1070 ex_phy->attached_dev_type != SAS_EDGE_EXPANDER_DEVICE && in sas_ex_discover_dev()
1071 ex_phy->attached_dev_type != SAS_SATA_PENDING) { in sas_ex_discover_dev()
1073 "phy 0x%x\n", ex_phy->attached_dev_type, in sas_ex_discover_dev()
1074 SAS_ADDR(dev->sas_addr), in sas_ex_discover_dev()
1079 res = sas_configure_routing(dev, ex_phy->attached_sas_addr); in sas_ex_discover_dev()
1083 SAS_ADDR(ex_phy->attached_sas_addr), res); in sas_ex_discover_dev()
1084 sas_disable_routing(dev, ex_phy->attached_sas_addr); in sas_ex_discover_dev()
1090 phy_id, SAS_ADDR(ex_phy->attached_sas_addr)); in sas_ex_discover_dev()
1094 switch (ex_phy->attached_dev_type) { in sas_ex_discover_dev()
1097 child = sas_ex_discover_end_dev(dev, phy_id); in sas_ex_discover_dev()
1100 if (SAS_ADDR(dev->port->disc.fanout_sas_addr)) { in sas_ex_discover_dev()
1103 SAS_ADDR(ex_phy->attached_sas_addr), in sas_ex_discover_dev()
1104 ex_phy->attached_phy_id, in sas_ex_discover_dev()
1105 SAS_ADDR(dev->sas_addr), in sas_ex_discover_dev()
1110 memcpy(dev->port->disc.fanout_sas_addr, in sas_ex_discover_dev()
1111 ex_phy->attached_sas_addr, SAS_ADDR_SIZE); in sas_ex_discover_dev()
1114 child = sas_ex_discover_expander(dev, phy_id); in sas_ex_discover_dev()
1120 if (child) { in sas_ex_discover_dev()
1123 for (i = 0; i < ex->num_phys; i++) { in sas_ex_discover_dev()
1124 if (ex->ex_phy[i].phy_state == PHY_VACANT || in sas_ex_discover_dev()
1125 ex->ex_phy[i].phy_state == PHY_NOT_PRESENT) in sas_ex_discover_dev()
1131 if (SAS_ADDR(ex->ex_phy[i].attached_sas_addr) == in sas_ex_discover_dev()
1132 SAS_ADDR(child->sas_addr)) { in sas_ex_discover_dev()
1133 ex->ex_phy[i].phy_state= PHY_DEVICE_DISCOVERED; in sas_ex_discover_dev()
1136 i, SAS_ADDR(ex->ex_phy[i].attached_sas_addr)); in sas_ex_discover_dev()
1147 struct expander_device *ex = &dev->ex_dev; in sas_find_sub_addr()
1150 for (i = 0; i < ex->num_phys; i++) { in sas_find_sub_addr()
1151 struct ex_phy *phy = &ex->ex_phy[i]; in sas_find_sub_addr()
1153 if (phy->phy_state == PHY_VACANT || in sas_find_sub_addr()
1154 phy->phy_state == PHY_NOT_PRESENT) in sas_find_sub_addr()
1157 if ((phy->attached_dev_type == SAS_EDGE_EXPANDER_DEVICE || in sas_find_sub_addr()
1158 phy->attached_dev_type == SAS_FANOUT_EXPANDER_DEVICE) && in sas_find_sub_addr()
1159 phy->routing_attr == SUBTRACTIVE_ROUTING) { in sas_find_sub_addr()
1161 memcpy(sub_addr, phy->attached_sas_addr,SAS_ADDR_SIZE); in sas_find_sub_addr()
1171 struct expander_device *ex = &dev->ex_dev; in sas_check_level_subtractive_boundary()
1172 struct domain_device *child; in sas_check_level_subtractive_boundary() local
1175 list_for_each_entry(child, &ex->children, siblings) { in sas_check_level_subtractive_boundary()
1176 if (child->dev_type != SAS_EDGE_EXPANDER_DEVICE && in sas_check_level_subtractive_boundary()
1177 child->dev_type != SAS_FANOUT_EXPANDER_DEVICE) in sas_check_level_subtractive_boundary()
1180 sas_find_sub_addr(child, sub_addr); in sas_check_level_subtractive_boundary()
1185 if (sas_find_sub_addr(child, s2) && in sas_check_level_subtractive_boundary()
1188 SAS_DPRINTK("ex %016llx->%016llx-?->%016llx " in sas_check_level_subtractive_boundary()
1191 SAS_ADDR(dev->sas_addr), in sas_check_level_subtractive_boundary()
1192 SAS_ADDR(child->sas_addr), in sas_check_level_subtractive_boundary()
1196 sas_ex_disable_port(child, s2); in sas_check_level_subtractive_boundary()
1203 * sas_ex_discover_devices - discover devices attached to this expander
1205 * @single: if you want to do a single phy, else set to -1;
1212 struct expander_device *ex = &dev->ex_dev; in sas_ex_discover_devices()
1213 int i = 0, end = ex->num_phys; in sas_ex_discover_devices()
1222 struct ex_phy *ex_phy = &ex->ex_phy[i]; in sas_ex_discover_devices()
1224 if (ex_phy->phy_state == PHY_VACANT || in sas_ex_discover_devices()
1225 ex_phy->phy_state == PHY_NOT_PRESENT || in sas_ex_discover_devices()
1226 ex_phy->phy_state == PHY_DEVICE_DISCOVERED) in sas_ex_discover_devices()
1229 switch (ex_phy->linkrate) { in sas_ex_discover_devices()
1250 struct expander_device *ex = &dev->ex_dev; in sas_check_ex_subtractive_boundary()
1254 if (dev->dev_type != SAS_EDGE_EXPANDER_DEVICE) in sas_check_ex_subtractive_boundary()
1257 for (i = 0; i < ex->num_phys; i++) { in sas_check_ex_subtractive_boundary()
1258 struct ex_phy *phy = &ex->ex_phy[i]; in sas_check_ex_subtractive_boundary()
1260 if (phy->phy_state == PHY_VACANT || in sas_check_ex_subtractive_boundary()
1261 phy->phy_state == PHY_NOT_PRESENT) in sas_check_ex_subtractive_boundary()
1264 if ((phy->attached_dev_type == SAS_FANOUT_EXPANDER_DEVICE || in sas_check_ex_subtractive_boundary()
1265 phy->attached_dev_type == SAS_EDGE_EXPANDER_DEVICE) && in sas_check_ex_subtractive_boundary()
1266 phy->routing_attr == SUBTRACTIVE_ROUTING) { in sas_check_ex_subtractive_boundary()
1269 sub_sas_addr = &phy->attached_sas_addr[0]; in sas_check_ex_subtractive_boundary()
1271 SAS_ADDR(phy->attached_sas_addr)) { in sas_check_ex_subtractive_boundary()
1276 SAS_ADDR(dev->sas_addr), i, in sas_check_ex_subtractive_boundary()
1277 SAS_ADDR(phy->attached_sas_addr), in sas_check_ex_subtractive_boundary()
1286 static void sas_print_parent_topology_bug(struct domain_device *child, in sas_print_parent_topology_bug() argument
1294 struct domain_device *parent = child->parent; in sas_print_parent_topology_bug() local
1296 sas_printk("%s ex %016llx phy 0x%x <--> %s ex %016llx " in sas_print_parent_topology_bug()
1299 ex_type[parent->dev_type], in sas_print_parent_topology_bug()
1300 SAS_ADDR(parent->sas_addr), in sas_print_parent_topology_bug()
1301 parent_phy->phy_id, in sas_print_parent_topology_bug()
1303 ex_type[child->dev_type], in sas_print_parent_topology_bug()
1304 SAS_ADDR(child->sas_addr), in sas_print_parent_topology_bug()
1305 child_phy->phy_id, in sas_print_parent_topology_bug()
1307 sas_route_char(parent, parent_phy), in sas_print_parent_topology_bug()
1308 sas_route_char(child, child_phy)); in sas_print_parent_topology_bug()
1311 static int sas_check_eeds(struct domain_device *child, in sas_check_eeds() argument
1316 struct domain_device *parent = child->parent; in sas_check_eeds() local
1318 if (SAS_ADDR(parent->port->disc.fanout_sas_addr) != 0) { in sas_check_eeds()
1319 res = -ENODEV; in sas_check_eeds()
1320 SAS_DPRINTK("edge ex %016llx phy S:0x%x <--> edge ex %016llx " in sas_check_eeds()
1322 SAS_ADDR(parent->sas_addr), in sas_check_eeds()
1323 parent_phy->phy_id, in sas_check_eeds()
1324 SAS_ADDR(child->sas_addr), in sas_check_eeds()
1325 child_phy->phy_id, in sas_check_eeds()
1326 SAS_ADDR(parent->port->disc.fanout_sas_addr)); in sas_check_eeds()
1327 } else if (SAS_ADDR(parent->port->disc.eeds_a) == 0) { in sas_check_eeds()
1328 memcpy(parent->port->disc.eeds_a, parent->sas_addr, in sas_check_eeds()
1330 memcpy(parent->port->disc.eeds_b, child->sas_addr, in sas_check_eeds()
1332 } else if (((SAS_ADDR(parent->port->disc.eeds_a) == in sas_check_eeds()
1333 SAS_ADDR(parent->sas_addr)) || in sas_check_eeds()
1334 (SAS_ADDR(parent->port->disc.eeds_a) == in sas_check_eeds()
1335 SAS_ADDR(child->sas_addr))) in sas_check_eeds()
1337 ((SAS_ADDR(parent->port->disc.eeds_b) == in sas_check_eeds()
1338 SAS_ADDR(parent->sas_addr)) || in sas_check_eeds()
1339 (SAS_ADDR(parent->port->disc.eeds_b) == in sas_check_eeds()
1340 SAS_ADDR(child->sas_addr)))) in sas_check_eeds()
1343 res = -ENODEV; in sas_check_eeds()
1344 SAS_DPRINTK("edge ex %016llx phy 0x%x <--> edge ex %016llx " in sas_check_eeds()
1346 SAS_ADDR(parent->sas_addr), in sas_check_eeds()
1347 parent_phy->phy_id, in sas_check_eeds()
1348 SAS_ADDR(child->sas_addr), in sas_check_eeds()
1349 child_phy->phy_id); in sas_check_eeds()
1357 static int sas_check_parent_topology(struct domain_device *child) in sas_check_parent_topology() argument
1359 struct expander_device *child_ex = &child->ex_dev; in sas_check_parent_topology()
1364 if (!child->parent) in sas_check_parent_topology()
1367 if (child->parent->dev_type != SAS_EDGE_EXPANDER_DEVICE && in sas_check_parent_topology()
1368 child->parent->dev_type != SAS_FANOUT_EXPANDER_DEVICE) in sas_check_parent_topology()
1371 parent_ex = &child->parent->ex_dev; in sas_check_parent_topology()
1373 for (i = 0; i < parent_ex->num_phys; i++) { in sas_check_parent_topology()
1374 struct ex_phy *parent_phy = &parent_ex->ex_phy[i]; in sas_check_parent_topology()
1377 if (parent_phy->phy_state == PHY_VACANT || in sas_check_parent_topology()
1378 parent_phy->phy_state == PHY_NOT_PRESENT) in sas_check_parent_topology()
1381 if (SAS_ADDR(parent_phy->attached_sas_addr) != SAS_ADDR(child->sas_addr)) in sas_check_parent_topology()
1384 child_phy = &child_ex->ex_phy[parent_phy->attached_phy_id]; in sas_check_parent_topology()
1386 switch (child->parent->dev_type) { in sas_check_parent_topology()
1388 if (child->dev_type == SAS_FANOUT_EXPANDER_DEVICE) { in sas_check_parent_topology()
1389 if (parent_phy->routing_attr != SUBTRACTIVE_ROUTING || in sas_check_parent_topology()
1390 child_phy->routing_attr != TABLE_ROUTING) { in sas_check_parent_topology()
1391 sas_print_parent_topology_bug(child, parent_phy, child_phy); in sas_check_parent_topology()
1392 res = -ENODEV; in sas_check_parent_topology()
1394 } else if (parent_phy->routing_attr == SUBTRACTIVE_ROUTING) { in sas_check_parent_topology()
1395 if (child_phy->routing_attr == SUBTRACTIVE_ROUTING) { in sas_check_parent_topology()
1396 res = sas_check_eeds(child, parent_phy, child_phy); in sas_check_parent_topology()
1397 } else if (child_phy->routing_attr != TABLE_ROUTING) { in sas_check_parent_topology()
1398 sas_print_parent_topology_bug(child, parent_phy, child_phy); in sas_check_parent_topology()
1399 res = -ENODEV; in sas_check_parent_topology()
1401 } else if (parent_phy->routing_attr == TABLE_ROUTING) { in sas_check_parent_topology()
1402 if (child_phy->routing_attr == SUBTRACTIVE_ROUTING || in sas_check_parent_topology()
1403 (child_phy->routing_attr == TABLE_ROUTING && in sas_check_parent_topology()
1404 child_ex->t2t_supp && parent_ex->t2t_supp)) { in sas_check_parent_topology()
1407 sas_print_parent_topology_bug(child, parent_phy, child_phy); in sas_check_parent_topology()
1408 res = -ENODEV; in sas_check_parent_topology()
1413 if (parent_phy->routing_attr != TABLE_ROUTING || in sas_check_parent_topology()
1414 child_phy->routing_attr != SUBTRACTIVE_ROUTING) { in sas_check_parent_topology()
1415 sas_print_parent_topology_bug(child, parent_phy, child_phy); in sas_check_parent_topology()
1416 res = -ENODEV; in sas_check_parent_topology()
1434 struct expander_device *ex = &dev->ex_dev; in sas_configure_present()
1435 struct ex_phy *phy = &ex->ex_phy[phy_id]; in sas_configure_present()
1444 return -ENOMEM; in sas_configure_present()
1449 return -ENOMEM; in sas_configure_present()
1455 for (i = 0; i < ex->max_route_indexes ; i++) { in sas_configure_present()
1465 SAS_ADDR(dev->sas_addr), phy_id, i); in sas_configure_present()
1470 SAS_ADDR(dev->sas_addr), phy_id, i, res); in sas_configure_present()
1487 phy->last_da_index < i) { in sas_configure_present()
1488 phy->last_da_index = i; in sas_configure_present()
1494 res = -1; in sas_configure_present()
1513 return -ENOMEM; in sas_configure_set()
1518 return -ENOMEM; in sas_configure_set()
1536 SAS_ADDR(dev->sas_addr), phy_id, index); in sas_configure_set()
1561 * sas_configure_parent - configure routing table of parent
1562 * @parent: parent expander
1563 * @child: child expander
1564 * @sas_addr: SAS port identifier of device directly attached to child
1565 * @include: whether or not to include @child in the expander routing table
1567 static int sas_configure_parent(struct domain_device *parent, in sas_configure_parent() argument
1568 struct domain_device *child, in sas_configure_parent() argument
1571 struct expander_device *ex_parent = &parent->ex_dev; in sas_configure_parent()
1575 if (parent->parent) { in sas_configure_parent()
1576 res = sas_configure_parent(parent->parent, parent, sas_addr, in sas_configure_parent()
1582 if (ex_parent->conf_route_table == 0) { in sas_configure_parent()
1583 SAS_DPRINTK("ex %016llx has self-configuring routing table\n", in sas_configure_parent()
1584 SAS_ADDR(parent->sas_addr)); in sas_configure_parent()
1588 for (i = 0; i < ex_parent->num_phys; i++) { in sas_configure_parent()
1589 struct ex_phy *phy = &ex_parent->ex_phy[i]; in sas_configure_parent()
1591 if ((phy->routing_attr == TABLE_ROUTING) && in sas_configure_parent()
1592 (SAS_ADDR(phy->attached_sas_addr) == in sas_configure_parent()
1593 SAS_ADDR(child->sas_addr))) { in sas_configure_parent()
1594 res = sas_configure_phy(parent, i, sas_addr, include); in sas_configure_parent()
1604 * sas_configure_routing - configure routing
1610 if (dev->parent) in sas_configure_routing()
1611 return sas_configure_parent(dev->parent, dev, sas_addr, 1); in sas_configure_routing()
1617 if (dev->parent) in sas_disable_routing()
1618 return sas_configure_parent(dev->parent, dev, sas_addr, 0); in sas_disable_routing()
1623 * sas_discover_expander - expander discovery
1646 SAS_ADDR(dev->sas_addr), res); in sas_discover_expander()
1665 list_for_each_entry(dev, &port->dev_list, dev_list_node) { in sas_ex_level_discovery()
1666 if (dev->dev_type == SAS_EDGE_EXPANDER_DEVICE || in sas_ex_level_discovery()
1667 dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE) { in sas_ex_level_discovery()
1669 rphy_to_expander_device(dev->rphy); in sas_ex_level_discovery()
1671 if (level == ex->level) in sas_ex_level_discovery()
1672 res = sas_ex_discover_devices(dev, -1); in sas_ex_level_discovery()
1674 res = sas_ex_discover_devices(port->port_dev, -1); in sas_ex_level_discovery()
1688 level = port->disc.max_level; in sas_ex_bfs_disc()
1691 } while (level < port->disc.max_level); in sas_ex_bfs_disc()
1699 struct sas_expander_device *ex = rphy_to_expander_device(dev->rphy); in sas_discover_root_expander()
1701 res = sas_rphy_add(dev->rphy); in sas_discover_root_expander()
1705 ex->level = dev->port->disc.max_level; /* 0 */ in sas_discover_root_expander()
1710 sas_ex_bfs_disc(dev->port); in sas_discover_root_expander()
1715 sas_rphy_remove(dev->rphy); in sas_discover_root_expander()
1720 /* ---------- Domain revalidation ---------- */
1730 return -ENOMEM; in sas_get_phy_discover()
1739 else if (disc_resp->result != SMP_RESP_FUNC_ACC) { in sas_get_phy_discover()
1740 res = disc_resp->result; in sas_get_phy_discover()
1756 return -ENOMEM; in sas_get_phy_change_count()
1760 *pcc = disc_resp->disc.change_count; in sas_get_phy_change_count()
1775 return -ENOMEM; in sas_get_phy_attached_dev()
1776 dr = &disc_resp->disc; in sas_get_phy_attached_dev()
1780 memcpy(sas_addr, disc_resp->disc.attached_sas_addr, 8); in sas_get_phy_attached_dev()
1792 struct expander_device *ex = &dev->ex_dev; in sas_find_bcast_phy()
1796 for (i = from_phy; i < ex->num_phys; i++) { in sas_find_bcast_phy()
1810 if (phy_change_count != ex->ex_phy[i].phy_change_count) { in sas_find_bcast_phy()
1812 ex->ex_phy[i].phy_change_count = in sas_find_bcast_phy()
1829 return -ENOMEM; in sas_get_ex_change_count()
1834 return -ENOMEM; in sas_get_ex_change_count()
1843 if (rg_resp->result != SMP_RESP_FUNC_ACC) { in sas_get_ex_change_count()
1844 res = rg_resp->result; in sas_get_ex_change_count()
1848 *ecc = be16_to_cpu(rg_resp->rg.change_count); in sas_get_ex_change_count()
1855 * sas_find_bcast_dev - find the device issue BROADCAST(CHANGE).
1859 * Add self-configuration expander support. Suppose two expander cascading,
1860 * when the first level expander is self-configuring, hotplug the disks in
1863 * expander (see SAS protocol SAS 2r-14, 7.11 for detail), it is to say,
1872 struct expander_device *ex = &dev->ex_dev; in sas_find_bcast_dev()
1873 int ex_change_count = -1; in sas_find_bcast_dev()
1874 int phy_id = -1; in sas_find_bcast_dev()
1881 if (ex_change_count != -1 && ex_change_count != ex->ex_change_count) { in sas_find_bcast_dev()
1887 if (phy_id != -1) { in sas_find_bcast_dev()
1889 ex->ex_change_count = ex_change_count; in sas_find_bcast_dev()
1895 list_for_each_entry(ch, &ex->children, siblings) { in sas_find_bcast_dev()
1896 if (ch->dev_type == SAS_EDGE_EXPANDER_DEVICE || ch->dev_type == SAS_FANOUT_EXPANDER_DEVICE) { in sas_find_bcast_dev()
1908 struct expander_device *ex = &dev->ex_dev; in sas_unregister_ex_tree()
1909 struct domain_device *child, *n; in sas_unregister_ex_tree() local
1911 list_for_each_entry_safe(child, n, &ex->children, siblings) { in sas_unregister_ex_tree()
1912 set_bit(SAS_DEV_GONE, &child->state); in sas_unregister_ex_tree()
1913 if (child->dev_type == SAS_EDGE_EXPANDER_DEVICE || in sas_unregister_ex_tree()
1914 child->dev_type == SAS_FANOUT_EXPANDER_DEVICE) in sas_unregister_ex_tree()
1915 sas_unregister_ex_tree(port, child); in sas_unregister_ex_tree()
1917 sas_unregister_dev(port, child); in sas_unregister_ex_tree()
1922 static void sas_unregister_devs_sas_addr(struct domain_device *parent, in sas_unregister_devs_sas_addr() argument
1925 struct expander_device *ex_dev = &parent->ex_dev; in sas_unregister_devs_sas_addr()
1926 struct ex_phy *phy = &ex_dev->ex_phy[phy_id]; in sas_unregister_devs_sas_addr()
1927 struct domain_device *child, *n, *found = NULL; in sas_unregister_devs_sas_addr() local
1929 list_for_each_entry_safe(child, n, in sas_unregister_devs_sas_addr()
1930 &ex_dev->children, siblings) { in sas_unregister_devs_sas_addr()
1931 if (SAS_ADDR(child->sas_addr) == in sas_unregister_devs_sas_addr()
1932 SAS_ADDR(phy->attached_sas_addr)) { in sas_unregister_devs_sas_addr()
1933 set_bit(SAS_DEV_GONE, &child->state); in sas_unregister_devs_sas_addr()
1934 if (child->dev_type == SAS_EDGE_EXPANDER_DEVICE || in sas_unregister_devs_sas_addr()
1935 child->dev_type == SAS_FANOUT_EXPANDER_DEVICE) in sas_unregister_devs_sas_addr()
1936 sas_unregister_ex_tree(parent->port, child); in sas_unregister_devs_sas_addr()
1938 sas_unregister_dev(parent->port, child); in sas_unregister_devs_sas_addr()
1939 found = child; in sas_unregister_devs_sas_addr()
1943 sas_disable_routing(parent, phy->attached_sas_addr); in sas_unregister_devs_sas_addr()
1945 memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE); in sas_unregister_devs_sas_addr()
1946 if (phy->port) { in sas_unregister_devs_sas_addr()
1947 sas_port_delete_phy(phy->port, phy->phy); in sas_unregister_devs_sas_addr()
1948 sas_device_set_phy(found, phy->port); in sas_unregister_devs_sas_addr()
1949 if (phy->port->num_phys == 0) in sas_unregister_devs_sas_addr()
1950 list_add_tail(&phy->port->del_list, in sas_unregister_devs_sas_addr()
1951 &parent->port->sas_port_del_list); in sas_unregister_devs_sas_addr()
1952 phy->port = NULL; in sas_unregister_devs_sas_addr()
1959 struct expander_device *ex_root = &root->ex_dev; in sas_discover_bfs_by_root_level()
1960 struct domain_device *child; in sas_discover_bfs_by_root_level() local
1963 list_for_each_entry(child, &ex_root->children, siblings) { in sas_discover_bfs_by_root_level()
1964 if (child->dev_type == SAS_EDGE_EXPANDER_DEVICE || in sas_discover_bfs_by_root_level()
1965 child->dev_type == SAS_FANOUT_EXPANDER_DEVICE) { in sas_discover_bfs_by_root_level()
1967 rphy_to_expander_device(child->rphy); in sas_discover_bfs_by_root_level()
1969 if (level > ex->level) in sas_discover_bfs_by_root_level()
1970 res = sas_discover_bfs_by_root_level(child, in sas_discover_bfs_by_root_level()
1972 else if (level == ex->level) in sas_discover_bfs_by_root_level()
1973 res = sas_ex_discover_devices(child, -1); in sas_discover_bfs_by_root_level()
1982 struct sas_expander_device *ex = rphy_to_expander_device(dev->rphy); in sas_discover_bfs_by_root()
1983 int level = ex->level+1; in sas_discover_bfs_by_root()
1985 res = sas_ex_discover_devices(dev, -1); in sas_discover_bfs_by_root()
1992 } while (level <= dev->port->disc.max_level); in sas_discover_bfs_by_root()
1999 struct ex_phy *ex_phy = &dev->ex_dev.ex_phy[phy_id]; in sas_discover_new()
2000 struct domain_device *child; in sas_discover_new() local
2004 SAS_ADDR(dev->sas_addr), phy_id); in sas_discover_new()
2015 list_for_each_entry(child, &dev->ex_dev.children, siblings) { in sas_discover_new()
2016 if (SAS_ADDR(child->sas_addr) == in sas_discover_new()
2017 SAS_ADDR(ex_phy->attached_sas_addr)) { in sas_discover_new()
2018 if (child->dev_type == SAS_EDGE_EXPANDER_DEVICE || in sas_discover_new()
2019 child->dev_type == SAS_FANOUT_EXPANDER_DEVICE) in sas_discover_new()
2020 res = sas_discover_bfs_by_root(child); in sas_discover_new()
2044 struct expander_device *ex = &dev->ex_dev; in sas_rediscover_dev()
2045 struct ex_phy *phy = &ex->ex_phy[phy_id]; in sas_rediscover_dev()
2054 phy->phy_state = PHY_NOT_PRESENT; in sas_rediscover_dev()
2058 phy->phy_state = PHY_VACANT; in sas_rediscover_dev()
2063 case -ECOMM: in sas_rediscover_dev()
2069 if ((SAS_ADDR(sas_addr) == 0) || (res == -ECOMM)) { in sas_rediscover_dev()
2070 phy->phy_state = PHY_EMPTY; in sas_rediscover_dev()
2078 } else if (SAS_ADDR(sas_addr) == SAS_ADDR(phy->attached_sas_addr) && in sas_rediscover_dev()
2079 dev_type_flutter(type, phy->attached_dev_type)) { in sas_rediscover_dev()
2085 if (ata_dev && phy->attached_dev_type == SAS_SATA_PENDING) in sas_rediscover_dev()
2088 SAS_ADDR(dev->sas_addr), phy_id, action); in sas_rediscover_dev()
2094 SAS_ADDR(dev->sas_addr), phy_id, in sas_rediscover_dev()
2095 SAS_ADDR(phy->attached_sas_addr)); in sas_rediscover_dev()
2102 * sas_rediscover - revalidate the domain.
2109 * domain.For plugging out, we un-register the device only when it is
2113 * forming the wide-port.
2117 struct expander_device *ex = &dev->ex_dev; in sas_rediscover()
2118 struct ex_phy *changed_phy = &ex->ex_phy[phy_id]; in sas_rediscover()
2124 SAS_ADDR(dev->sas_addr), phy_id); in sas_rediscover()
2126 if (SAS_ADDR(changed_phy->attached_sas_addr) != 0) { in sas_rediscover()
2127 for (i = 0; i < ex->num_phys; i++) { in sas_rediscover()
2128 struct ex_phy *phy = &ex->ex_phy[i]; in sas_rediscover()
2132 if (SAS_ADDR(phy->attached_sas_addr) == in sas_rediscover()
2133 SAS_ADDR(changed_phy->attached_sas_addr)) { in sas_rediscover()
2147 * sas_ex_revalidate_domain - revalidate the domain
2162 struct expander_device *ex = &dev->ex_dev; in sas_ex_revalidate_domain()
2166 phy_id = -1; in sas_ex_revalidate_domain()
2168 if (phy_id == -1) in sas_ex_revalidate_domain()
2172 } while (i < ex->num_phys); in sas_ex_revalidate_domain()
2182 int ret = -EINVAL; in sas_smp_handler()
2188 switch (rphy->identify.device_type) { in sas_smp_handler()
2205 if (job->request_payload.sg_cnt > 1 || in sas_smp_handler()
2206 job->reply_payload.sg_cnt > 1) { in sas_smp_handler()
2208 __func__, job->request_payload.payload_len, in sas_smp_handler()
2209 job->reply_payload.payload_len); in sas_smp_handler()
2213 ret = smp_execute_task_sg(dev, job->request_payload.sg_list, in sas_smp_handler()
2214 job->reply_payload.sg_list); in sas_smp_handler()
2217 rcvlen = job->reply_payload.payload_len - ret; in sas_smp_handler()