Lines Matching +full:use +full:- +full:sw +full:- +full:pm
1 // SPDX-License-Identifier: GPL-2.0
3 * Thunderbolt driver - bus logic (NHI independent)
19 * struct tb_cm - Simple Thunderbolt connection manager
38 return ((void *)tcm - sizeof(struct tb)); in tcm_to_tb()
59 ev->tb = tb; in tb_queue_hotplug()
60 ev->route = route; in tb_queue_hotplug()
61 ev->port = port; in tb_queue_hotplug()
62 ev->unplug = unplug; in tb_queue_hotplug()
63 INIT_WORK(&ev->work, tb_handle_hotplug); in tb_queue_hotplug()
64 queue_work(tb->wq, &ev->work); in tb_queue_hotplug()
69 static void tb_add_dp_resources(struct tb_switch *sw) in tb_add_dp_resources() argument
71 struct tb_cm *tcm = tb_priv(sw->tb); in tb_add_dp_resources()
74 tb_switch_for_each_port(sw, port) { in tb_add_dp_resources()
78 if (!tb_switch_query_dp_resource(sw, port)) in tb_add_dp_resources()
81 list_add_tail(&port->list, &tcm->dp_resources); in tb_add_dp_resources()
86 static void tb_remove_dp_resources(struct tb_switch *sw) in tb_remove_dp_resources() argument
88 struct tb_cm *tcm = tb_priv(sw->tb); in tb_remove_dp_resources()
92 tb_switch_for_each_port(sw, port) { in tb_remove_dp_resources()
94 tb_remove_dp_resources(port->remote->sw); in tb_remove_dp_resources()
97 list_for_each_entry_safe(port, tmp, &tcm->dp_resources, list) { in tb_remove_dp_resources()
98 if (port->sw == sw) { in tb_remove_dp_resources()
100 list_del_init(&port->list); in tb_remove_dp_resources()
105 static void tb_discover_tunnels(struct tb_switch *sw) in tb_discover_tunnels() argument
107 struct tb *tb = sw->tb; in tb_discover_tunnels()
111 tb_switch_for_each_port(sw, port) { in tb_discover_tunnels()
114 switch (port->config.type) { in tb_discover_tunnels()
135 struct tb_switch *parent = tunnel->dst_port->sw; in tb_discover_tunnels()
137 while (parent != tunnel->src_port->sw) { in tb_discover_tunnels()
138 parent->boot = true; in tb_discover_tunnels()
143 pm_runtime_get_sync(&tunnel->src_port->sw->dev); in tb_discover_tunnels()
144 pm_runtime_get_sync(&tunnel->dst_port->sw->dev); in tb_discover_tunnels()
147 list_add_tail(&tunnel->list, &tcm->tunnel_list); in tb_discover_tunnels()
150 tb_switch_for_each_port(sw, port) { in tb_discover_tunnels()
152 tb_discover_tunnels(port->remote->sw); in tb_discover_tunnels()
162 tb_port_disable(port->dual_link_port); in tb_port_configure_xdomain()
164 if (tb_switch_is_usb4(port->sw)) in tb_port_configure_xdomain()
171 if (tb_switch_is_usb4(port->sw)) in tb_port_unconfigure_xdomain()
176 tb_port_enable(port->dual_link_port); in tb_port_unconfigure_xdomain()
181 struct tb_switch *sw = port->sw; in tb_scan_xdomain() local
182 struct tb *tb = sw->tb; in tb_scan_xdomain()
193 xd = tb_xdomain_alloc(tb, &sw->dev, route, tb->root_switch->uuid, in tb_scan_xdomain()
196 tb_port_at(route, sw)->xdomain = xd; in tb_scan_xdomain()
202 static int tb_enable_tmu(struct tb_switch *sw) in tb_enable_tmu() argument
207 if (tb_switch_tmu_is_enabled(sw)) in tb_enable_tmu()
210 ret = tb_switch_tmu_disable(sw); in tb_enable_tmu()
214 ret = tb_switch_tmu_post_time(sw); in tb_enable_tmu()
218 return tb_switch_tmu_enable(sw); in tb_enable_tmu()
222 * tb_find_unused_port() - return the first inactive port on @sw
223 * @sw: Switch to find the port on
226 static struct tb_port *tb_find_unused_port(struct tb_switch *sw, in tb_find_unused_port() argument
231 tb_switch_for_each_port(sw, port) { in tb_find_unused_port()
234 if (port->config.type != type) in tb_find_unused_port()
236 if (!port->cap_adap) in tb_find_unused_port()
245 static struct tb_port *tb_find_usb3_down(struct tb_switch *sw, in tb_find_usb3_down() argument
250 down = usb4_switch_map_usb3_down(sw, port); in tb_find_usb3_down()
263 list_for_each_entry(tunnel, &tcm->tunnel_list, list) { in tb_find_tunnel()
264 if (tunnel->type == type && in tb_find_tunnel()
265 ((src_port && src_port == tunnel->src_port) || in tb_find_tunnel()
266 (dst_port && dst_port == tunnel->dst_port))) { in tb_find_tunnel()
279 struct tb_switch *sw; in tb_find_first_usb3_tunnel() local
282 if (dst_port->sw->config.depth > src_port->sw->config.depth) in tb_find_first_usb3_tunnel()
283 sw = dst_port->sw; in tb_find_first_usb3_tunnel()
285 sw = src_port->sw; in tb_find_first_usb3_tunnel()
288 if (sw == tb->root_switch) in tb_find_first_usb3_tunnel()
292 port = tb_port_at(tb_route(sw), tb->root_switch); in tb_find_first_usb3_tunnel()
294 usb3_down = usb4_switch_map_usb3_down(tb->root_switch, port); in tb_find_first_usb3_tunnel()
332 link_speed = port->sw->link_speed; in tb_available_bandwidth()
339 link_width = port->bonded ? 2 : 1; in tb_available_bandwidth()
343 up_bw -= up_bw / 10; in tb_available_bandwidth()
352 list_for_each_entry(tunnel, &tcm->tunnel_list, list) { in tb_available_bandwidth()
367 up_bw -= dp_consumed_up; in tb_available_bandwidth()
368 down_bw -= dp_consumed_down; in tb_available_bandwidth()
377 up_bw -= usb3_consumed_up; in tb_available_bandwidth()
378 down_bw -= usb3_consumed_down; in tb_available_bandwidth()
420 ret = tb_available_bandwidth(tb, tunnel->src_port, tunnel->dst_port, in tb_reclaim_usb3_bandwidth()
433 static int tb_tunnel_usb3(struct tb *tb, struct tb_switch *sw) in tb_tunnel_usb3() argument
435 struct tb_switch *parent = tb_switch_parent(sw); in tb_tunnel_usb3()
441 up = tb_switch_find_port(sw, TB_TYPE_USB3_UP); in tb_tunnel_usb3()
445 if (!sw->link_usb4) in tb_tunnel_usb3()
452 port = tb_port_at(tb_route(sw), parent); in tb_tunnel_usb3()
485 ret = -ENOMEM; in tb_tunnel_usb3()
492 ret = -EIO; in tb_tunnel_usb3()
496 list_add_tail(&tunnel->list, &tcm->tunnel_list); in tb_tunnel_usb3()
511 static int tb_create_usb3_tunnels(struct tb_switch *sw) in tb_create_usb3_tunnels() argument
516 if (tb_route(sw)) { in tb_create_usb3_tunnels()
517 ret = tb_tunnel_usb3(sw->tb, sw); in tb_create_usb3_tunnels()
522 tb_switch_for_each_port(sw, port) { in tb_create_usb3_tunnels()
525 ret = tb_create_usb3_tunnels(port->remote->sw); in tb_create_usb3_tunnels()
536 * tb_scan_switch() - scan for and initialize downstream switches
538 static void tb_scan_switch(struct tb_switch *sw) in tb_scan_switch() argument
542 pm_runtime_get_sync(&sw->dev); in tb_scan_switch()
544 tb_switch_for_each_port(sw, port) in tb_scan_switch()
547 pm_runtime_mark_last_busy(&sw->dev); in tb_scan_switch()
548 pm_runtime_put_autosuspend(&sw->dev); in tb_scan_switch()
552 * tb_scan_port() - check for and initialize switches below port
556 struct tb_cm *tcm = tb_priv(port->sw->tb); in tb_scan_port()
558 struct tb_switch *sw; in tb_scan_port() local
566 tb_queue_hotplug(port->sw->tb, tb_route(port->sw), port->port, in tb_scan_port()
571 if (port->config.type != TB_TYPE_PORT) in tb_scan_port()
573 if (port->dual_link_port && port->link_nr) in tb_scan_port()
580 if (port->remote) { in tb_scan_port()
587 sw = tb_switch_alloc(port->sw->tb, &port->sw->dev, in tb_scan_port()
589 if (IS_ERR(sw)) { in tb_scan_port()
595 if (PTR_ERR(sw) == -EIO || PTR_ERR(sw) == -EADDRNOTAVAIL) in tb_scan_port()
600 if (tb_switch_configure(sw)) { in tb_scan_port()
601 tb_switch_put(sw); in tb_scan_port()
609 if (port->xdomain) { in tb_scan_port()
610 tb_xdomain_remove(port->xdomain); in tb_scan_port()
612 port->xdomain = NULL; in tb_scan_port()
620 if (!tcm->hotplug_active) in tb_scan_port()
621 dev_set_uevent_suppress(&sw->dev, true); in tb_scan_port()
625 * can support runtime PM. in tb_scan_port()
627 sw->rpm = sw->generation > 1; in tb_scan_port()
629 if (tb_switch_add(sw)) { in tb_scan_port()
630 tb_switch_put(sw); in tb_scan_port()
635 upstream_port = tb_upstream_port(sw); in tb_scan_port()
636 port->remote = upstream_port; in tb_scan_port()
637 upstream_port->remote = port; in tb_scan_port()
638 if (port->dual_link_port && upstream_port->dual_link_port) { in tb_scan_port()
639 port->dual_link_port->remote = upstream_port->dual_link_port; in tb_scan_port()
640 upstream_port->dual_link_port->remote = port->dual_link_port; in tb_scan_port()
644 tb_switch_lane_bonding_enable(sw); in tb_scan_port()
646 tb_switch_configure_link(sw); in tb_scan_port()
648 if (tb_enable_tmu(sw)) in tb_scan_port()
649 tb_sw_warn(sw, "failed to enable TMU\n"); in tb_scan_port()
660 if (tcm->hotplug_active && tb_tunnel_usb3(sw->tb, sw)) in tb_scan_port()
661 tb_sw_warn(sw, "USB3 tunnel creation failed\n"); in tb_scan_port()
663 tb_add_dp_resources(sw); in tb_scan_port()
664 tb_scan_switch(sw); in tb_scan_port()
676 list_del(&tunnel->list); in tb_deactivate_and_free_tunnel()
678 tb = tunnel->tb; in tb_deactivate_and_free_tunnel()
679 src_port = tunnel->src_port; in tb_deactivate_and_free_tunnel()
680 dst_port = tunnel->dst_port; in tb_deactivate_and_free_tunnel()
682 switch (tunnel->type) { in tb_deactivate_and_free_tunnel()
688 tb_switch_dealloc_dp_resource(src_port->sw, src_port); in tb_deactivate_and_free_tunnel()
690 pm_runtime_mark_last_busy(&dst_port->sw->dev); in tb_deactivate_and_free_tunnel()
691 pm_runtime_put_autosuspend(&dst_port->sw->dev); in tb_deactivate_and_free_tunnel()
692 pm_runtime_mark_last_busy(&src_port->sw->dev); in tb_deactivate_and_free_tunnel()
693 pm_runtime_put_autosuspend(&src_port->sw->dev); in tb_deactivate_and_free_tunnel()
712 * tb_free_invalid_tunnels() - destroy tunnels of devices that have gone away
720 list_for_each_entry_safe(tunnel, n, &tcm->tunnel_list, list) { in tb_free_invalid_tunnels()
727 * tb_free_unplugged_children() - traverse hierarchy and free unplugged switches
729 static void tb_free_unplugged_children(struct tb_switch *sw) in tb_free_unplugged_children() argument
733 tb_switch_for_each_port(sw, port) { in tb_free_unplugged_children()
737 if (port->remote->sw->is_unplugged) { in tb_free_unplugged_children()
739 tb_remove_dp_resources(port->remote->sw); in tb_free_unplugged_children()
740 tb_switch_unconfigure_link(port->remote->sw); in tb_free_unplugged_children()
741 tb_switch_lane_bonding_disable(port->remote->sw); in tb_free_unplugged_children()
742 tb_switch_remove(port->remote->sw); in tb_free_unplugged_children()
743 port->remote = NULL; in tb_free_unplugged_children()
744 if (port->dual_link_port) in tb_free_unplugged_children()
745 port->dual_link_port->remote = NULL; in tb_free_unplugged_children()
747 tb_free_unplugged_children(port->remote->sw); in tb_free_unplugged_children()
752 static struct tb_port *tb_find_pcie_down(struct tb_switch *sw, in tb_find_pcie_down() argument
761 if (tb_switch_is_usb4(sw)) { in tb_find_pcie_down()
762 down = usb4_switch_map_pcie_down(sw, port); in tb_find_pcie_down()
763 } else if (!tb_route(sw)) { in tb_find_pcie_down()
764 int phy_port = tb_phy_port_from_link(port->port); in tb_find_pcie_down()
768 * Hard-coded Thunderbolt port to PCIe down port mapping in tb_find_pcie_down()
771 if (tb_switch_is_cactus_ridge(sw) || in tb_find_pcie_down()
772 tb_switch_is_alpine_ridge(sw)) in tb_find_pcie_down()
774 else if (tb_switch_is_falcon_ridge(sw)) in tb_find_pcie_down()
776 else if (tb_switch_is_titan_ridge(sw)) in tb_find_pcie_down()
781 /* Validate the hard-coding */ in tb_find_pcie_down()
782 if (WARN_ON(index > sw->config.max_port_number)) in tb_find_pcie_down()
785 down = &sw->ports[index]; in tb_find_pcie_down()
798 return tb_find_unused_port(sw, TB_TYPE_PCIE_DOWN); in tb_find_pcie_down()
806 host_port = tb_route(in->sw) ? in tb_find_dp_out()
807 tb_port_at(tb_route(in->sw), tb->root_switch) : NULL; in tb_find_dp_out()
809 list_for_each_entry(port, &tcm->dp_resources, list) { in tb_find_dp_out()
814 tb_port_dbg(port, "in use\n"); in tb_find_dp_out()
824 if (host_port && tb_route(port->sw)) { in tb_find_dp_out()
827 p = tb_port_at(tb_route(port->sw), tb->root_switch); in tb_find_dp_out()
849 tb_dbg(tb, "looking for DP IN <-> DP OUT pairs:\n"); in tb_tunnel_dp()
853 list_for_each_entry(port, &tcm->dp_resources, list) { in tb_tunnel_dp()
858 tb_port_dbg(port, "in use\n"); in tb_tunnel_dp()
888 pm_runtime_get_sync(&in->sw->dev); in tb_tunnel_dp()
889 pm_runtime_get_sync(&out->sw->dev); in tb_tunnel_dp()
891 if (tb_switch_alloc_dp_resource(in->sw, in)) { in tb_tunnel_dp()
922 list_add_tail(&tunnel->list, &tcm->tunnel_list); in tb_tunnel_dp()
931 tb_switch_dealloc_dp_resource(in->sw, in); in tb_tunnel_dp()
933 pm_runtime_mark_last_busy(&out->sw->dev); in tb_tunnel_dp()
934 pm_runtime_put_autosuspend(&out->sw->dev); in tb_tunnel_dp()
935 pm_runtime_mark_last_busy(&in->sw->dev); in tb_tunnel_dp()
936 pm_runtime_put_autosuspend(&in->sw->dev); in tb_tunnel_dp()
956 list_del_init(&port->list); in tb_dp_resource_unavailable()
973 list_for_each_entry(p, &tcm->dp_resources, list) { in tb_dp_resource_available()
980 list_add_tail(&port->list, &tcm->dp_resources); in tb_dp_resource_available()
982 /* Look for suitable DP IN <-> DP OUT pairs now */ in tb_dp_resource_available()
993 * will be re-established after resume based on plug events. in tb_disconnect_and_release_dp()
995 list_for_each_entry_safe_reverse(tunnel, n, &tcm->tunnel_list, list) { in tb_disconnect_and_release_dp()
1000 while (!list_empty(&tcm->dp_resources)) { in tb_disconnect_and_release_dp()
1003 port = list_first_entry(&tcm->dp_resources, in tb_disconnect_and_release_dp()
1005 list_del_init(&port->list); in tb_disconnect_and_release_dp()
1009 static int tb_tunnel_pci(struct tb *tb, struct tb_switch *sw) in tb_tunnel_pci() argument
1016 up = tb_switch_find_port(sw, TB_TYPE_PCIE_UP); in tb_tunnel_pci()
1024 parent_sw = tb_to_switch(sw->dev.parent); in tb_tunnel_pci()
1025 port = tb_port_at(tb_route(sw), parent_sw); in tb_tunnel_pci()
1032 return -ENOMEM; in tb_tunnel_pci()
1038 return -EIO; in tb_tunnel_pci()
1041 list_add_tail(&tunnel->list, &tcm->tunnel_list); in tb_tunnel_pci()
1050 struct tb_switch *sw; in tb_approve_xdomain_paths() local
1052 sw = tb_to_switch(xd->dev.parent); in tb_approve_xdomain_paths()
1053 dst_port = tb_port_at(xd->route, sw); in tb_approve_xdomain_paths()
1054 nhi_port = tb_switch_find_port(tb->root_switch, TB_TYPE_NHI); in tb_approve_xdomain_paths()
1056 mutex_lock(&tb->lock); in tb_approve_xdomain_paths()
1057 tunnel = tb_tunnel_alloc_dma(tb, nhi_port, dst_port, xd->transmit_ring, in tb_approve_xdomain_paths()
1058 xd->transmit_path, xd->receive_ring, in tb_approve_xdomain_paths()
1059 xd->receive_path); in tb_approve_xdomain_paths()
1061 mutex_unlock(&tb->lock); in tb_approve_xdomain_paths()
1062 return -ENOMEM; in tb_approve_xdomain_paths()
1069 mutex_unlock(&tb->lock); in tb_approve_xdomain_paths()
1070 return -EIO; in tb_approve_xdomain_paths()
1073 list_add_tail(&tunnel->list, &tcm->tunnel_list); in tb_approve_xdomain_paths()
1074 mutex_unlock(&tb->lock); in tb_approve_xdomain_paths()
1082 struct tb_switch *sw; in __tb_disconnect_xdomain_paths() local
1084 sw = tb_to_switch(xd->dev.parent); in __tb_disconnect_xdomain_paths()
1085 dst_port = tb_port_at(xd->route, sw); in __tb_disconnect_xdomain_paths()
1098 if (!xd->is_unplugged) { in tb_disconnect_xdomain_paths()
1099 mutex_lock(&tb->lock); in tb_disconnect_xdomain_paths()
1101 mutex_unlock(&tb->lock); in tb_disconnect_xdomain_paths()
1109 * tb_handle_hotplug() - handle hotplug event
1111 * Executes on tb->wq.
1116 struct tb *tb = ev->tb; in tb_handle_hotplug()
1118 struct tb_switch *sw; in tb_handle_hotplug() local
1122 pm_runtime_get_sync(&tb->dev); in tb_handle_hotplug()
1124 mutex_lock(&tb->lock); in tb_handle_hotplug()
1125 if (!tcm->hotplug_active) in tb_handle_hotplug()
1128 sw = tb_switch_find_by_route(tb, ev->route); in tb_handle_hotplug()
1129 if (!sw) { in tb_handle_hotplug()
1132 ev->route, ev->port, ev->unplug); in tb_handle_hotplug()
1135 if (ev->port > sw->config.max_port_number) { in tb_handle_hotplug()
1138 ev->route, ev->port, ev->unplug); in tb_handle_hotplug()
1141 port = &sw->ports[ev->port]; in tb_handle_hotplug()
1144 ev->route, ev->port, ev->unplug); in tb_handle_hotplug()
1148 pm_runtime_get_sync(&sw->dev); in tb_handle_hotplug()
1150 if (ev->unplug) { in tb_handle_hotplug()
1155 tb_sw_set_unplugged(port->remote->sw); in tb_handle_hotplug()
1157 tb_remove_dp_resources(port->remote->sw); in tb_handle_hotplug()
1158 tb_switch_tmu_disable(port->remote->sw); in tb_handle_hotplug()
1159 tb_switch_unconfigure_link(port->remote->sw); in tb_handle_hotplug()
1160 tb_switch_lane_bonding_disable(port->remote->sw); in tb_handle_hotplug()
1161 tb_switch_remove(port->remote->sw); in tb_handle_hotplug()
1162 port->remote = NULL; in tb_handle_hotplug()
1163 if (port->dual_link_port) in tb_handle_hotplug()
1164 port->dual_link_port->remote = NULL; in tb_handle_hotplug()
1167 } else if (port->xdomain) { in tb_handle_hotplug()
1168 struct tb_xdomain *xd = tb_xdomain_get(port->xdomain); in tb_handle_hotplug()
1178 xd->is_unplugged = true; in tb_handle_hotplug()
1180 port->xdomain = NULL; in tb_handle_hotplug()
1190 } else if (port->remote) { in tb_handle_hotplug()
1196 if (!port->remote) in tb_handle_hotplug()
1203 pm_runtime_mark_last_busy(&sw->dev); in tb_handle_hotplug()
1204 pm_runtime_put_autosuspend(&sw->dev); in tb_handle_hotplug()
1207 tb_switch_put(sw); in tb_handle_hotplug()
1209 mutex_unlock(&tb->lock); in tb_handle_hotplug()
1211 pm_runtime_mark_last_busy(&tb->dev); in tb_handle_hotplug()
1212 pm_runtime_put_autosuspend(&tb->dev); in tb_handle_hotplug()
1218 * tb_schedule_hotplug_handler() - callback function for the control channel
1233 route = tb_cfg_get_route(&pkg->header); in tb_handle_event()
1235 if (tb_cfg_ack_plug(tb->ctl, route, pkg->port, pkg->unplug)) { in tb_handle_event()
1237 pkg->port); in tb_handle_event()
1240 tb_queue_hotplug(tb, route, pkg->port, pkg->unplug); in tb_handle_event()
1249 cancel_delayed_work(&tcm->remove_work); in tb_stop()
1251 list_for_each_entry_safe(tunnel, n, &tcm->tunnel_list, list) { in tb_stop()
1261 tb_switch_remove(tb->root_switch); in tb_stop()
1262 tcm->hotplug_active = false; /* signal tb_handle_hotplug to quit */ in tb_stop()
1268 struct tb_switch *sw = tb_to_switch(dev); in tb_scan_finalize_switch() local
1275 if (sw->boot) in tb_scan_finalize_switch()
1276 sw->authorized = 1; in tb_scan_finalize_switch()
1279 kobject_uevent(&dev->kobj, KOBJ_ADD); in tb_scan_finalize_switch()
1291 tb->root_switch = tb_switch_alloc(tb, &tb->dev, 0); in tb_start()
1292 if (IS_ERR(tb->root_switch)) in tb_start()
1293 return PTR_ERR(tb->root_switch); in tb_start()
1300 tb->root_switch->no_nvm_upgrade = true; in tb_start()
1301 /* All USB4 routers support runtime PM */ in tb_start()
1302 tb->root_switch->rpm = tb_switch_is_usb4(tb->root_switch); in tb_start()
1304 ret = tb_switch_configure(tb->root_switch); in tb_start()
1306 tb_switch_put(tb->root_switch); in tb_start()
1311 ret = tb_switch_add(tb->root_switch); in tb_start()
1313 tb_switch_put(tb->root_switch); in tb_start()
1318 tb_switch_tmu_enable(tb->root_switch); in tb_start()
1320 tb_scan_switch(tb->root_switch); in tb_start()
1322 tb_discover_tunnels(tb->root_switch); in tb_start()
1327 tb_create_usb3_tunnels(tb->root_switch); in tb_start()
1329 tb_add_dp_resources(tb->root_switch); in tb_start()
1331 device_for_each_child(&tb->root_switch->dev, NULL, in tb_start()
1335 tcm->hotplug_active = true; in tb_start()
1345 tb_switch_suspend(tb->root_switch, false); in tb_suspend_noirq()
1346 tcm->hotplug_active = false; /* signal tb_handle_hotplug to quit */ in tb_suspend_noirq()
1352 static void tb_restore_children(struct tb_switch *sw) in tb_restore_children() argument
1357 if (sw->is_unplugged) in tb_restore_children()
1360 if (tb_enable_tmu(sw)) in tb_restore_children()
1361 tb_sw_warn(sw, "failed to restore TMU configuration\n"); in tb_restore_children()
1363 tb_switch_for_each_port(sw, port) { in tb_restore_children()
1364 if (!tb_port_has_remote(port) && !port->xdomain) in tb_restore_children()
1367 if (port->remote) { in tb_restore_children()
1368 tb_switch_lane_bonding_enable(port->remote->sw); in tb_restore_children()
1369 tb_switch_configure_link(port->remote->sw); in tb_restore_children()
1371 tb_restore_children(port->remote->sw); in tb_restore_children()
1372 } else if (port->xdomain) { in tb_restore_children()
1386 tb_switch_reset(tb->root_switch); in tb_resume_noirq()
1388 tb_switch_resume(tb->root_switch); in tb_resume_noirq()
1390 tb_free_unplugged_children(tb->root_switch); in tb_resume_noirq()
1391 tb_restore_children(tb->root_switch); in tb_resume_noirq()
1392 list_for_each_entry_safe(tunnel, n, &tcm->tunnel_list, list) in tb_resume_noirq()
1394 if (!list_empty(&tcm->tunnel_list)) { in tb_resume_noirq()
1403 tcm->hotplug_active = true; in tb_resume_noirq()
1409 static int tb_free_unplugged_xdomains(struct tb_switch *sw) in tb_free_unplugged_xdomains() argument
1414 tb_switch_for_each_port(sw, port) { in tb_free_unplugged_xdomains()
1417 if (port->xdomain && port->xdomain->is_unplugged) { in tb_free_unplugged_xdomains()
1419 tb_xdomain_remove(port->xdomain); in tb_free_unplugged_xdomains()
1421 port->xdomain = NULL; in tb_free_unplugged_xdomains()
1423 } else if (port->remote) { in tb_free_unplugged_xdomains()
1424 ret += tb_free_unplugged_xdomains(port->remote->sw); in tb_free_unplugged_xdomains()
1435 tcm->hotplug_active = false; in tb_freeze_noirq()
1443 tcm->hotplug_active = true; in tb_thaw_noirq()
1454 mutex_lock(&tb->lock); in tb_complete()
1455 if (tb_free_unplugged_xdomains(tb->root_switch)) in tb_complete()
1456 tb_scan_switch(tb->root_switch); in tb_complete()
1457 mutex_unlock(&tb->lock); in tb_complete()
1464 mutex_lock(&tb->lock); in tb_runtime_suspend()
1465 tb_switch_suspend(tb->root_switch, true); in tb_runtime_suspend()
1466 tcm->hotplug_active = false; in tb_runtime_suspend()
1467 mutex_unlock(&tb->lock); in tb_runtime_suspend()
1477 mutex_lock(&tb->lock); in tb_remove_work()
1478 if (tb->root_switch) { in tb_remove_work()
1479 tb_free_unplugged_children(tb->root_switch); in tb_remove_work()
1480 tb_free_unplugged_xdomains(tb->root_switch); in tb_remove_work()
1482 mutex_unlock(&tb->lock); in tb_remove_work()
1490 mutex_lock(&tb->lock); in tb_runtime_resume()
1491 tb_switch_resume(tb->root_switch); in tb_runtime_resume()
1493 tb_restore_children(tb->root_switch); in tb_runtime_resume()
1494 list_for_each_entry_safe(tunnel, n, &tcm->tunnel_list, list) in tb_runtime_resume()
1496 tcm->hotplug_active = true; in tb_runtime_resume()
1497 mutex_unlock(&tb->lock); in tb_runtime_resume()
1504 queue_delayed_work(tb->wq, &tcm->remove_work, msecs_to_jiffies(50)); in tb_runtime_resume()
1533 tb->security_level = TB_SECURITY_USER; in tb_probe()
1534 tb->cm_ops = &tb_cm_ops; in tb_probe()
1537 INIT_LIST_HEAD(&tcm->tunnel_list); in tb_probe()
1538 INIT_LIST_HEAD(&tcm->dp_resources); in tb_probe()
1539 INIT_DELAYED_WORK(&tcm->remove_work, tb_remove_work); in tb_probe()