diff options
Diffstat (limited to 'drivers/scsi/libsas/sas_expander.c')
| -rw-r--r-- | drivers/scsi/libsas/sas_expander.c | 37 |
1 files changed, 25 insertions, 12 deletions
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 16ad97df5ba6..1b831c55ec6e 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -199,6 +199,8 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, phy->virtual = dr->virtual; phy->last_da_index = -1; + phy->phy->identify.sas_address = SAS_ADDR(phy->attached_sas_addr); + phy->phy->identify.device_type = phy->attached_dev_type; phy->phy->identify.initiator_port_protocols = phy->attached_iproto; phy->phy->identify.target_port_protocols = phy->attached_tproto; phy->phy->identify.phy_identifier = phy_id; @@ -329,6 +331,7 @@ static void ex_assign_report_general(struct domain_device *dev, dev->ex_dev.ex_change_count = be16_to_cpu(rg->change_count); dev->ex_dev.max_route_indexes = be16_to_cpu(rg->route_indexes); dev->ex_dev.num_phys = min(rg->num_phys, (u8)MAX_EXPANDER_PHYS); + dev->ex_dev.t2t_supp = rg->t2t_supp; dev->ex_dev.conf_route_table = rg->conf_route_table; dev->ex_dev.configuring = rg->configuring; memcpy(dev->ex_dev.enclosure_logical_id, rg->enclosure_logical_id, 8); @@ -751,7 +754,10 @@ static struct domain_device *sas_ex_discover_end_dev( out_list_del: sas_rphy_free(child->rphy); child->rphy = NULL; + + spin_lock_irq(&parent->port->dev_list_lock); list_del(&child->dev_list_node); + spin_unlock_irq(&parent->port->dev_list_lock); out_free: sas_port_delete(phy->port); out_err: @@ -1133,15 +1139,17 @@ static void sas_print_parent_topology_bug(struct domain_device *child, }; struct domain_device *parent = child->parent; - sas_printk("%s ex %016llx phy 0x%x <--> %s ex %016llx phy 0x%x " - "has %c:%c routing link!\n", + sas_printk("%s ex %016llx (T2T supp:%d) phy 0x%x <--> %s ex %016llx " + "(T2T supp:%d) phy 0x%x has %c:%c routing link!\n", ex_type[parent->dev_type], SAS_ADDR(parent->sas_addr), + parent->ex_dev.t2t_supp, parent_phy->phy_id, ex_type[child->dev_type], SAS_ADDR(child->sas_addr), + child->ex_dev.t2t_supp, child_phy->phy_id, ra_char[parent_phy->routing_attr], @@ -1238,10 +1246,15 @@ static int sas_check_parent_topology(struct domain_device *child) sas_print_parent_topology_bug(child, parent_phy, child_phy); res = -ENODEV; } - } else if (parent_phy->routing_attr == TABLE_ROUTING && - child_phy->routing_attr != SUBTRACTIVE_ROUTING) { - sas_print_parent_topology_bug(child, parent_phy, child_phy); - res = -ENODEV; + } else if (parent_phy->routing_attr == TABLE_ROUTING) { + if (child_phy->routing_attr == SUBTRACTIVE_ROUTING || + (child_phy->routing_attr == TABLE_ROUTING && + child_ex->t2t_supp && parent_ex->t2t_supp)) { + /* All good */; + } else { + sas_print_parent_topology_bug(child, parent_phy, child_phy); + res = -ENODEV; + } } break; case FANOUT_DEV: @@ -1729,7 +1742,7 @@ out: return res; } -static void sas_unregister_ex_tree(struct domain_device *dev) +static void sas_unregister_ex_tree(struct asd_sas_port *port, struct domain_device *dev) { struct expander_device *ex = &dev->ex_dev; struct domain_device *child, *n; @@ -1738,11 +1751,11 @@ static void sas_unregister_ex_tree(struct domain_device *dev) child->gone = 1; if (child->dev_type == EDGE_DEV || child->dev_type == FANOUT_DEV) - sas_unregister_ex_tree(child); + sas_unregister_ex_tree(port, child); else - sas_unregister_dev(child); + sas_unregister_dev(port, child); } - sas_unregister_dev(dev); + sas_unregister_dev(port, dev); } static void sas_unregister_devs_sas_addr(struct domain_device *parent, @@ -1759,9 +1772,9 @@ static void sas_unregister_devs_sas_addr(struct domain_device *parent, child->gone = 1; if (child->dev_type == EDGE_DEV || child->dev_type == FANOUT_DEV) - sas_unregister_ex_tree(child); + sas_unregister_ex_tree(parent->port, child); else - sas_unregister_dev(child); + sas_unregister_dev(parent->port, child); break; } } |