Lines Matching refs:xhci
139 static void next_trb(struct xhci_hcd *xhci, in next_trb() argument
156 void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring) in inc_deq() argument
204 static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring, in inc_enq() argument
234 (xhci->quirks & XHCI_AMD_0x96_HOST)) && in inc_enq()
235 !xhci_link_trb_quirk(xhci)) { in inc_enq()
259 static inline int room_on_ring(struct xhci_hcd *xhci, struct xhci_ring *ring, in room_on_ring() argument
277 void xhci_ring_cmd_db(struct xhci_hcd *xhci) in xhci_ring_cmd_db() argument
279 if (!(xhci->cmd_ring_state & CMD_RING_STATE_RUNNING)) in xhci_ring_cmd_db()
282 xhci_dbg(xhci, "// Ding dong!\n"); in xhci_ring_cmd_db()
283 writel(DB_VALUE_HOST, &xhci->dba->doorbell[0]); in xhci_ring_cmd_db()
285 readl(&xhci->dba->doorbell[0]); in xhci_ring_cmd_db()
288 static bool xhci_mod_cmd_timer(struct xhci_hcd *xhci, unsigned long delay) in xhci_mod_cmd_timer() argument
290 return mod_delayed_work(system_wq, &xhci->cmd_timer, delay); in xhci_mod_cmd_timer()
293 static struct xhci_command *xhci_next_queued_cmd(struct xhci_hcd *xhci) in xhci_next_queued_cmd() argument
295 return list_first_entry_or_null(&xhci->cmd_list, struct xhci_command, in xhci_next_queued_cmd()
304 static void xhci_handle_stopped_cmd_ring(struct xhci_hcd *xhci, in xhci_handle_stopped_cmd_ring() argument
310 list_for_each_entry(i_cmd, &xhci->cmd_list, cmd_list) { in xhci_handle_stopped_cmd_ring()
317 xhci_dbg(xhci, "Turn aborted command %p to no-op\n", in xhci_handle_stopped_cmd_ring()
328 xhci->cmd_ring_state = CMD_RING_STATE_RUNNING; in xhci_handle_stopped_cmd_ring()
331 if ((xhci->cmd_ring->dequeue != xhci->cmd_ring->enqueue) && in xhci_handle_stopped_cmd_ring()
332 !(xhci->xhc_state & XHCI_STATE_DYING)) { in xhci_handle_stopped_cmd_ring()
333 xhci->current_cmd = cur_cmd; in xhci_handle_stopped_cmd_ring()
334 xhci_mod_cmd_timer(xhci, XHCI_CMD_DEFAULT_TIMEOUT); in xhci_handle_stopped_cmd_ring()
335 xhci_ring_cmd_db(xhci); in xhci_handle_stopped_cmd_ring()
340 static int xhci_abort_cmd_ring(struct xhci_hcd *xhci, unsigned long flags) in xhci_abort_cmd_ring() argument
345 xhci_dbg(xhci, "Abort command ring\n"); in xhci_abort_cmd_ring()
347 reinit_completion(&xhci->cmd_ring_stop_completion); in xhci_abort_cmd_ring()
349 temp_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring); in xhci_abort_cmd_ring()
350 xhci_write_64(xhci, temp_64 | CMD_RING_ABORT, in xhci_abort_cmd_ring()
351 &xhci->op_regs->cmd_ring); in xhci_abort_cmd_ring()
359 ret = xhci_handshake(&xhci->op_regs->cmd_ring, in xhci_abort_cmd_ring()
362 xhci_err(xhci, "Abort failed to stop command ring: %d\n", ret); in xhci_abort_cmd_ring()
363 xhci_halt(xhci); in xhci_abort_cmd_ring()
364 xhci_hc_died(xhci); in xhci_abort_cmd_ring()
373 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_abort_cmd_ring()
374 ret = wait_for_completion_timeout(&xhci->cmd_ring_stop_completion, in xhci_abort_cmd_ring()
376 spin_lock_irqsave(&xhci->lock, flags); in xhci_abort_cmd_ring()
378 xhci_dbg(xhci, "No stop event for abort, ring start fail?\n"); in xhci_abort_cmd_ring()
379 xhci_cleanup_command_queue(xhci); in xhci_abort_cmd_ring()
381 xhci_handle_stopped_cmd_ring(xhci, xhci_next_queued_cmd(xhci)); in xhci_abort_cmd_ring()
386 void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, in xhci_ring_ep_doorbell() argument
391 __le32 __iomem *db_addr = &xhci->dba->doorbell[slot_id]; in xhci_ring_ep_doorbell()
392 struct xhci_virt_ep *ep = &xhci->devs[slot_id]->eps[ep_index]; in xhci_ring_ep_doorbell()
411 static void ring_doorbell_for_active_rings(struct xhci_hcd *xhci, in ring_doorbell_for_active_rings() argument
418 ep = &xhci->devs[slot_id]->eps[ep_index]; in ring_doorbell_for_active_rings()
423 xhci_ring_ep_doorbell(xhci, slot_id, ep_index, 0); in ring_doorbell_for_active_rings()
431 xhci_ring_ep_doorbell(xhci, slot_id, ep_index, in ring_doorbell_for_active_rings()
436 void xhci_ring_doorbell_for_active_rings(struct xhci_hcd *xhci, in xhci_ring_doorbell_for_active_rings() argument
440 ring_doorbell_for_active_rings(xhci, slot_id, ep_index); in xhci_ring_doorbell_for_active_rings()
447 struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci, in xhci_triad_to_transfer_ring() argument
453 ep = &xhci->devs[slot_id]->eps[ep_index]; in xhci_triad_to_transfer_ring()
459 xhci_warn(xhci, in xhci_triad_to_transfer_ring()
469 xhci_warn(xhci, in xhci_triad_to_transfer_ring()
486 static u64 xhci_get_hw_deq(struct xhci_hcd *xhci, struct xhci_virt_device *vdev, in xhci_get_hw_deq() argument
499 ep_ctx = xhci_get_ep_ctx(xhci, vdev->out_ctx, ep_index); in xhci_get_hw_deq()
521 void xhci_find_new_dequeue_state(struct xhci_hcd *xhci, in xhci_find_new_dequeue_state() argument
526 struct xhci_virt_device *dev = xhci->devs[slot_id]; in xhci_find_new_dequeue_state()
536 ep_ring = xhci_triad_to_transfer_ring(xhci, slot_id, in xhci_find_new_dequeue_state()
539 xhci_warn(xhci, "WARN can't find new dequeue state " in xhci_find_new_dequeue_state()
545 xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, in xhci_find_new_dequeue_state()
548 hw_dequeue = xhci_get_hw_deq(xhci, dev, ep_index, stream_id); in xhci_find_new_dequeue_state()
574 next_trb(xhci, ep_ring, &new_seg, &new_deq); in xhci_find_new_dequeue_state()
578 xhci_err(xhci, "Error: Failed finding new dequeue state\n"); in xhci_find_new_dequeue_state()
590 xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, in xhci_find_new_dequeue_state()
593 xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, in xhci_find_new_dequeue_state()
597 xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, in xhci_find_new_dequeue_state()
606 static void td_to_noop(struct xhci_hcd *xhci, struct xhci_ring *ep_ring, in td_to_noop() argument
622 next_trb(xhci, ep_ring, &seg, &trb); in td_to_noop()
626 static void xhci_stop_watchdog_timer_in_irq(struct xhci_hcd *xhci, in xhci_stop_watchdog_timer_in_irq() argument
638 static void xhci_giveback_urb_in_irq(struct xhci_hcd *xhci, in xhci_giveback_urb_in_irq() argument
646 xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs--; in xhci_giveback_urb_in_irq()
647 if (xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs == 0) { in xhci_giveback_urb_in_irq()
648 if (xhci->quirks & XHCI_AMD_PLL_FIX) in xhci_giveback_urb_in_irq()
654 spin_unlock(&xhci->lock); in xhci_giveback_urb_in_irq()
657 spin_lock(&xhci->lock); in xhci_giveback_urb_in_irq()
660 static void xhci_unmap_td_bounce_buffer(struct xhci_hcd *xhci, in xhci_unmap_td_bounce_buffer() argument
663 struct device *dev = xhci_to_hcd(xhci)->self.controller; in xhci_unmap_td_bounce_buffer()
683 xhci_warn(xhci, "WARN Wrong bounce buffer read length: %zu != %d\n", in xhci_unmap_td_bounce_buffer()
699 static void xhci_handle_cmd_stop_ep(struct xhci_hcd *xhci, int slot_id, in xhci_handle_cmd_stop_ep() argument
713 if (!xhci->devs[slot_id]) in xhci_handle_cmd_stop_ep()
714 xhci_warn(xhci, "Stop endpoint command " in xhci_handle_cmd_stop_ep()
723 vdev = xhci->devs[slot_id]; in xhci_handle_cmd_stop_ep()
724 ep_ctx = xhci_get_ep_ctx(xhci, vdev->out_ctx, ep_index); in xhci_handle_cmd_stop_ep()
727 ep = &xhci->devs[slot_id]->eps[ep_index]; in xhci_handle_cmd_stop_ep()
732 xhci_stop_watchdog_timer_in_irq(xhci, ep); in xhci_handle_cmd_stop_ep()
733 ring_doorbell_for_active_rings(xhci, slot_id, ep_index); in xhci_handle_cmd_stop_ep()
743 xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, in xhci_handle_cmd_stop_ep()
747 ep_ring = xhci_urb_to_transfer_ring(xhci, cur_td->urb); in xhci_handle_cmd_stop_ep()
760 xhci_warn(xhci, "WARN Cancelled URB %p " in xhci_handle_cmd_stop_ep()
770 hw_deq = xhci_get_hw_deq(xhci, vdev, ep_index, in xhci_handle_cmd_stop_ep()
774 if (trb_in_td(xhci, cur_td->start_seg, cur_td->first_trb, in xhci_handle_cmd_stop_ep()
776 xhci_find_new_dequeue_state(xhci, slot_id, ep_index, in xhci_handle_cmd_stop_ep()
780 td_to_noop(xhci, ep_ring, cur_td, false); in xhci_handle_cmd_stop_ep()
792 xhci_stop_watchdog_timer_in_irq(xhci, ep); in xhci_handle_cmd_stop_ep()
796 xhci_queue_new_dequeue_state(xhci, slot_id, ep_index, in xhci_handle_cmd_stop_ep()
798 xhci_ring_cmd_db(xhci); in xhci_handle_cmd_stop_ep()
801 ring_doorbell_for_active_rings(xhci, slot_id, ep_index); in xhci_handle_cmd_stop_ep()
819 ep_ring = xhci_urb_to_transfer_ring(xhci, cur_td->urb); in xhci_handle_cmd_stop_ep()
820 xhci_unmap_td_bounce_buffer(xhci, ep_ring, cur_td); in xhci_handle_cmd_stop_ep()
823 xhci_giveback_urb_in_irq(xhci, cur_td, 0); in xhci_handle_cmd_stop_ep()
828 if (xhci->xhc_state & XHCI_STATE_DYING) in xhci_handle_cmd_stop_ep()
835 static void xhci_kill_ring_urbs(struct xhci_hcd *xhci, struct xhci_ring *ring) in xhci_kill_ring_urbs() argument
846 xhci_unmap_td_bounce_buffer(xhci, ring, cur_td); in xhci_kill_ring_urbs()
850 xhci_giveback_urb_in_irq(xhci, cur_td, -ESHUTDOWN); in xhci_kill_ring_urbs()
854 static void xhci_kill_endpoint_urbs(struct xhci_hcd *xhci, in xhci_kill_endpoint_urbs() argument
862 ep = &xhci->devs[slot_id]->eps[ep_index]; in xhci_kill_endpoint_urbs()
873 xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, in xhci_kill_endpoint_urbs()
876 xhci_kill_ring_urbs(xhci, ring); in xhci_kill_endpoint_urbs()
882 xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, in xhci_kill_endpoint_urbs()
885 xhci_kill_ring_urbs(xhci, ring); in xhci_kill_endpoint_urbs()
894 xhci_giveback_urb_in_irq(xhci, cur_td, -ESHUTDOWN); in xhci_kill_endpoint_urbs()
907 void xhci_hc_died(struct xhci_hcd *xhci) in xhci_hc_died() argument
911 if (xhci->xhc_state & XHCI_STATE_DYING) in xhci_hc_died()
914 xhci_err(xhci, "xHCI host controller not responding, assume dead\n"); in xhci_hc_died()
915 xhci->xhc_state |= XHCI_STATE_DYING; in xhci_hc_died()
917 xhci_cleanup_command_queue(xhci); in xhci_hc_died()
920 for (i = 0; i <= HCS_MAX_SLOTS(xhci->hcs_params1); i++) { in xhci_hc_died()
921 if (!xhci->devs[i]) in xhci_hc_died()
924 xhci_kill_endpoint_urbs(xhci, i, j); in xhci_hc_died()
928 if (!(xhci->xhc_state & XHCI_STATE_REMOVING)) in xhci_hc_died()
929 usb_hc_died(xhci_to_hcd(xhci)); in xhci_hc_died()
952 struct xhci_hcd *xhci = ep->xhci; in xhci_stop_endpoint_command_watchdog() local
955 spin_lock_irqsave(&xhci->lock, flags); in xhci_stop_endpoint_command_watchdog()
960 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_stop_endpoint_command_watchdog()
961 xhci_dbg(xhci, "Stop EP timer raced with cmd completion, exit"); in xhci_stop_endpoint_command_watchdog()
965 xhci_warn(xhci, "xHCI host not responding to stop endpoint command.\n"); in xhci_stop_endpoint_command_watchdog()
968 xhci_halt(xhci); in xhci_stop_endpoint_command_watchdog()
975 xhci_hc_died(xhci); in xhci_stop_endpoint_command_watchdog()
977 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_stop_endpoint_command_watchdog()
978 xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, in xhci_stop_endpoint_command_watchdog()
982 static void update_ring_for_set_deq_completion(struct xhci_hcd *xhci, in update_ring_for_set_deq_completion() argument
1023 xhci_dbg(xhci, "Unable to find new dequeue pointer\n"); in update_ring_for_set_deq_completion()
1035 static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id, in xhci_handle_cmd_set_deq() argument
1048 dev = xhci->devs[slot_id]; in xhci_handle_cmd_set_deq()
1053 xhci_warn(xhci, "WARN Set TR deq ptr command for freed stream ID %u\n", in xhci_handle_cmd_set_deq()
1059 ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index); in xhci_handle_cmd_set_deq()
1060 slot_ctx = xhci_get_slot_ctx(xhci, dev->out_ctx); in xhci_handle_cmd_set_deq()
1070 xhci_warn(xhci, "WARN Set TR Deq Ptr cmd invalid because of stream ID configuration\n"); in xhci_handle_cmd_set_deq()
1073 xhci_warn(xhci, "WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state.\n"); in xhci_handle_cmd_set_deq()
1077 xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, in xhci_handle_cmd_set_deq()
1082 xhci_warn(xhci, "WARN Set TR Deq Ptr cmd failed because slot %u was not enabled.\n", in xhci_handle_cmd_set_deq()
1086 xhci_warn(xhci, "WARN Set TR Deq Ptr cmd with unknown completion code of %u.\n", in xhci_handle_cmd_set_deq()
1106 xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, in xhci_handle_cmd_set_deq()
1113 update_ring_for_set_deq_completion(xhci, dev, in xhci_handle_cmd_set_deq()
1116 xhci_warn(xhci, "Mismatch between completed Set TR Deq Ptr command & xHCI internal state.\n"); in xhci_handle_cmd_set_deq()
1117 xhci_warn(xhci, "ep deq seg = %p, deq ptr = %p\n", in xhci_handle_cmd_set_deq()
1127 ring_doorbell_for_active_rings(xhci, slot_id, ep_index); in xhci_handle_cmd_set_deq()
1130 static void xhci_handle_cmd_reset_ep(struct xhci_hcd *xhci, int slot_id, in xhci_handle_cmd_reset_ep() argument
1138 vdev = xhci->devs[slot_id]; in xhci_handle_cmd_reset_ep()
1139 ep_ctx = xhci_get_ep_ctx(xhci, vdev->out_ctx, ep_index); in xhci_handle_cmd_reset_ep()
1145 xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep, in xhci_handle_cmd_reset_ep()
1152 if (xhci->quirks & XHCI_RESET_EP_QUIRK) { in xhci_handle_cmd_reset_ep()
1155 command = xhci_alloc_command(xhci, false, GFP_ATOMIC); in xhci_handle_cmd_reset_ep()
1159 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_handle_cmd_reset_ep()
1161 xhci_queue_configure_endpoint(xhci, command, in xhci_handle_cmd_reset_ep()
1162 xhci->devs[slot_id]->in_ctx->dma, slot_id, in xhci_handle_cmd_reset_ep()
1164 xhci_ring_cmd_db(xhci); in xhci_handle_cmd_reset_ep()
1167 xhci->devs[slot_id]->eps[ep_index].ep_state &= ~EP_HALTED; in xhci_handle_cmd_reset_ep()
1172 ring_doorbell_for_active_rings(xhci, slot_id, ep_index); in xhci_handle_cmd_reset_ep()
1175 static void xhci_handle_cmd_enable_slot(struct xhci_hcd *xhci, int slot_id, in xhci_handle_cmd_enable_slot() argument
1184 static void xhci_handle_cmd_disable_slot(struct xhci_hcd *xhci, int slot_id) in xhci_handle_cmd_disable_slot() argument
1189 virt_dev = xhci->devs[slot_id]; in xhci_handle_cmd_disable_slot()
1193 slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->out_ctx); in xhci_handle_cmd_disable_slot()
1196 if (xhci->quirks & XHCI_EP_LIMIT_QUIRK) in xhci_handle_cmd_disable_slot()
1198 xhci_free_device_endpoint_resources(xhci, virt_dev, true); in xhci_handle_cmd_disable_slot()
1199 xhci_free_virt_device(xhci, slot_id); in xhci_handle_cmd_disable_slot()
1202 static void xhci_handle_cmd_config_ep(struct xhci_hcd *xhci, int slot_id, in xhci_handle_cmd_config_ep() argument
1220 virt_dev = xhci->devs[slot_id]; in xhci_handle_cmd_config_ep()
1223 xhci_warn(xhci, "Could not get input context, bad type.\n"); in xhci_handle_cmd_config_ep()
1232 ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->out_ctx, ep_index); in xhci_handle_cmd_config_ep()
1241 if (xhci->quirks & XHCI_RESET_EP_QUIRK && in xhci_handle_cmd_config_ep()
1247 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_handle_cmd_config_ep()
1253 ring_doorbell_for_active_rings(xhci, slot_id, ep_index); in xhci_handle_cmd_config_ep()
1259 static void xhci_handle_cmd_addr_dev(struct xhci_hcd *xhci, int slot_id) in xhci_handle_cmd_addr_dev() argument
1264 vdev = xhci->devs[slot_id]; in xhci_handle_cmd_addr_dev()
1265 slot_ctx = xhci_get_slot_ctx(xhci, vdev->out_ctx); in xhci_handle_cmd_addr_dev()
1269 static void xhci_handle_cmd_reset_dev(struct xhci_hcd *xhci, int slot_id, in xhci_handle_cmd_reset_dev() argument
1275 vdev = xhci->devs[slot_id]; in xhci_handle_cmd_reset_dev()
1276 slot_ctx = xhci_get_slot_ctx(xhci, vdev->out_ctx); in xhci_handle_cmd_reset_dev()
1279 xhci_dbg(xhci, "Completed reset device command.\n"); in xhci_handle_cmd_reset_dev()
1280 if (!xhci->devs[slot_id]) in xhci_handle_cmd_reset_dev()
1281 xhci_warn(xhci, "Reset device command completion " in xhci_handle_cmd_reset_dev()
1285 static void xhci_handle_cmd_nec_get_fw(struct xhci_hcd *xhci, in xhci_handle_cmd_nec_get_fw() argument
1288 if (!(xhci->quirks & XHCI_NEC_HOST)) { in xhci_handle_cmd_nec_get_fw()
1289 xhci_warn(xhci, "WARN NEC_GET_FW command on non-NEC host\n"); in xhci_handle_cmd_nec_get_fw()
1292 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_handle_cmd_nec_get_fw()
1310 void xhci_cleanup_command_queue(struct xhci_hcd *xhci) in xhci_cleanup_command_queue() argument
1313 xhci->current_cmd = NULL; in xhci_cleanup_command_queue()
1314 list_for_each_entry_safe(cur_cmd, tmp_cmd, &xhci->cmd_list, cmd_list) in xhci_cleanup_command_queue()
1320 struct xhci_hcd *xhci; in xhci_handle_command_timeout() local
1324 xhci = container_of(to_delayed_work(work), struct xhci_hcd, cmd_timer); in xhci_handle_command_timeout()
1326 spin_lock_irqsave(&xhci->lock, flags); in xhci_handle_command_timeout()
1332 if (!xhci->current_cmd || delayed_work_pending(&xhci->cmd_timer)) { in xhci_handle_command_timeout()
1333 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_handle_command_timeout()
1337 xhci->current_cmd->status = COMP_COMMAND_ABORTED; in xhci_handle_command_timeout()
1340 hw_ring_state = xhci_read_64(xhci, &xhci->op_regs->cmd_ring); in xhci_handle_command_timeout()
1342 xhci_hc_died(xhci); in xhci_handle_command_timeout()
1346 if ((xhci->cmd_ring_state & CMD_RING_STATE_RUNNING) && in xhci_handle_command_timeout()
1349 xhci->cmd_ring_state = CMD_RING_STATE_ABORTED; in xhci_handle_command_timeout()
1350 xhci_dbg(xhci, "Command timeout\n"); in xhci_handle_command_timeout()
1351 xhci_abort_cmd_ring(xhci, flags); in xhci_handle_command_timeout()
1356 if (xhci->xhc_state & XHCI_STATE_REMOVING) { in xhci_handle_command_timeout()
1357 xhci_dbg(xhci, "host removed, ring start fail?\n"); in xhci_handle_command_timeout()
1358 xhci_cleanup_command_queue(xhci); in xhci_handle_command_timeout()
1364 xhci_dbg(xhci, "Command timeout on stopped ring\n"); in xhci_handle_command_timeout()
1365 xhci_handle_stopped_cmd_ring(xhci, xhci->current_cmd); in xhci_handle_command_timeout()
1368 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_handle_command_timeout()
1372 static void handle_cmd_completion(struct xhci_hcd *xhci, in handle_cmd_completion() argument
1384 cmd_trb = xhci->cmd_ring->dequeue; in handle_cmd_completion()
1386 trace_xhci_handle_command(xhci->cmd_ring, &cmd_trb->generic); in handle_cmd_completion()
1388 cmd_dequeue_dma = xhci_trb_virt_to_dma(xhci->cmd_ring->deq_seg, in handle_cmd_completion()
1395 xhci_warn(xhci, in handle_cmd_completion()
1400 cmd = list_first_entry(&xhci->cmd_list, struct xhci_command, cmd_list); in handle_cmd_completion()
1402 cancel_delayed_work(&xhci->cmd_timer); in handle_cmd_completion()
1408 complete_all(&xhci->cmd_ring_stop_completion); in handle_cmd_completion()
1412 if (cmd->command_trb != xhci->cmd_ring->dequeue) { in handle_cmd_completion()
1413 xhci_err(xhci, in handle_cmd_completion()
1425 xhci->cmd_ring_state = CMD_RING_STATE_STOPPED; in handle_cmd_completion()
1427 if (xhci->current_cmd == cmd) in handle_cmd_completion()
1428 xhci->current_cmd = NULL; in handle_cmd_completion()
1436 xhci_handle_cmd_enable_slot(xhci, slot_id, cmd, cmd_comp_code); in handle_cmd_completion()
1439 xhci_handle_cmd_disable_slot(xhci, slot_id); in handle_cmd_completion()
1443 xhci_handle_cmd_config_ep(xhci, slot_id, event, in handle_cmd_completion()
1449 xhci_handle_cmd_addr_dev(xhci, slot_id); in handle_cmd_completion()
1455 xhci_handle_cmd_stop_ep(xhci, slot_id, cmd_trb, event); in handle_cmd_completion()
1460 xhci_handle_cmd_set_deq(xhci, slot_id, cmd_trb, cmd_comp_code); in handle_cmd_completion()
1470 xhci_handle_cmd_reset_ep(xhci, slot_id, cmd_trb, cmd_comp_code); in handle_cmd_completion()
1478 xhci_handle_cmd_reset_dev(xhci, slot_id, event); in handle_cmd_completion()
1481 xhci_handle_cmd_nec_get_fw(xhci, event); in handle_cmd_completion()
1485 xhci_info(xhci, "INFO unknown command type %d\n", cmd_type); in handle_cmd_completion()
1490 if (!list_is_singular(&xhci->cmd_list)) { in handle_cmd_completion()
1491 xhci->current_cmd = list_first_entry(&cmd->cmd_list, in handle_cmd_completion()
1493 xhci_mod_cmd_timer(xhci, XHCI_CMD_DEFAULT_TIMEOUT); in handle_cmd_completion()
1494 } else if (xhci->current_cmd == cmd) { in handle_cmd_completion()
1495 xhci->current_cmd = NULL; in handle_cmd_completion()
1501 inc_deq(xhci, xhci->cmd_ring); in handle_cmd_completion()
1504 static void handle_vendor_event(struct xhci_hcd *xhci, in handle_vendor_event() argument
1510 xhci_dbg(xhci, "Vendor specific event TRB type = %u\n", trb_type); in handle_vendor_event()
1511 if (trb_type == TRB_NEC_CMD_COMP && (xhci->quirks & XHCI_NEC_HOST)) in handle_vendor_event()
1512 handle_cmd_completion(xhci, &event->event_cmd); in handle_vendor_event()
1515 static void handle_device_notification(struct xhci_hcd *xhci, in handle_device_notification() argument
1522 if (!xhci->devs[slot_id]) { in handle_device_notification()
1523 xhci_warn(xhci, "Device Notification event for " in handle_device_notification()
1528 xhci_dbg(xhci, "Device Wake Notification event for slot ID %u\n", in handle_device_notification()
1530 udev = xhci->devs[slot_id]->udev; in handle_device_notification()
1547 static void xhci_cavium_reset_phy_quirk(struct xhci_hcd *xhci) in xhci_cavium_reset_phy_quirk() argument
1549 struct usb_hcd *hcd = xhci_to_hcd(xhci); in xhci_cavium_reset_phy_quirk()
1564 static void handle_port_status(struct xhci_hcd *xhci, in handle_port_status() argument
1579 xhci_warn(xhci, in handle_port_status()
1583 max_ports = HCS_MAX_PORTS(xhci->hcs_params1); in handle_port_status()
1586 xhci_warn(xhci, "Port change event with invalid port ID %d\n", in handle_port_status()
1588 inc_deq(xhci, xhci->event_ring); in handle_port_status()
1592 port = &xhci->hw_ports[port_id - 1]; in handle_port_status()
1594 xhci_warn(xhci, "Port change event, no port for port ID %u\n", in handle_port_status()
1601 if (port->rhub == &xhci->usb3_rhub && xhci->shared_hcd == NULL) { in handle_port_status()
1602 xhci_dbg(xhci, "ignore port event for removed USB3 hcd\n"); in handle_port_status()
1612 xhci_dbg(xhci, "Port change event, %d-%d, id %d, portsc: 0x%x\n", in handle_port_status()
1618 xhci_dbg(xhci, "resume root hub\n"); in handle_port_status()
1624 slot_id = xhci_find_slot_id_by_port(hcd, xhci, hcd_portnum + 1); in handle_port_status()
1625 if (slot_id && xhci->devs[slot_id]) in handle_port_status()
1626 xhci->devs[slot_id]->flags |= VDEV_PORT_ERROR; in handle_port_status()
1630 xhci_dbg(xhci, "port resume event for port %d\n", port_id); in handle_port_status()
1632 cmd_reg = readl(&xhci->op_regs->command); in handle_port_status()
1634 xhci_warn(xhci, "xHC is not running.\n"); in handle_port_status()
1639 xhci_dbg(xhci, "remote wake SS port %d\n", port_id); in handle_port_status()
1645 xhci_test_and_clear_bit(xhci, port, PORT_PLC); in handle_port_status()
1647 xhci_set_link_state(xhci, port, XDEV_U0); in handle_port_status()
1654 xhci_dbg(xhci, "resume HS port %d\n", port_id); in handle_port_status()
1675 xhci_dbg(xhci, "resume SS port %d finished\n", port_id); in handle_port_status()
1683 slot_id = xhci_find_slot_id_by_port(hcd, xhci, hcd_portnum + 1); in handle_port_status()
1684 if (slot_id && xhci->devs[slot_id]) in handle_port_status()
1685 xhci_ring_device(xhci, slot_id); in handle_port_status()
1687 xhci_test_and_clear_bit(xhci, port, PORT_PLC); in handle_port_status()
1709 xhci_test_and_clear_bit(xhci, port, PORT_PLC); in handle_port_status()
1710 if ((xhci->quirks & XHCI_RESET_PLL_ON_DISCONNECT) && in handle_port_status()
1712 xhci_cavium_reset_phy_quirk(xhci); in handle_port_status()
1717 inc_deq(xhci, xhci->event_ring); in handle_port_status()
1733 xhci_dbg(xhci, "%s: starting port polling.\n", __func__); in handle_port_status()
1735 spin_unlock(&xhci->lock); in handle_port_status()
1738 spin_lock(&xhci->lock); in handle_port_status()
1747 struct xhci_segment *trb_in_td(struct xhci_hcd *xhci, in trb_in_td() argument
1772 xhci_warn(xhci, in trb_in_td()
1808 static void xhci_clear_hub_tt_buffer(struct xhci_hcd *xhci, struct xhci_td *td, in xhci_clear_hub_tt_buffer() argument
1816 (td->urb->dev->tt->hub != xhci_to_hcd(xhci)->self.root_hub) && in xhci_clear_hub_tt_buffer()
1825 static void xhci_cleanup_halted_endpoint(struct xhci_hcd *xhci, in xhci_cleanup_halted_endpoint() argument
1830 struct xhci_virt_ep *ep = &xhci->devs[slot_id]->eps[ep_index]; in xhci_cleanup_halted_endpoint()
1837 if (xhci->devs[slot_id]->flags & VDEV_PORT_ERROR) in xhci_cleanup_halted_endpoint()
1840 command = xhci_alloc_command(xhci, false, GFP_ATOMIC); in xhci_cleanup_halted_endpoint()
1846 xhci_queue_reset_ep(xhci, command, slot_id, ep_index, reset_type); in xhci_cleanup_halted_endpoint()
1850 xhci_cleanup_stalled_ring(xhci, ep_index, stream_id, td); in xhci_cleanup_halted_endpoint()
1851 xhci_clear_hub_tt_buffer(xhci, td, ep); in xhci_cleanup_halted_endpoint()
1853 xhci_ring_cmd_db(xhci); in xhci_cleanup_halted_endpoint()
1862 static int xhci_requires_manual_halt_cleanup(struct xhci_hcd *xhci, in xhci_requires_manual_halt_cleanup() argument
1882 int xhci_is_vendor_info_code(struct xhci_hcd *xhci, unsigned int trb_comp_code) in xhci_is_vendor_info_code() argument
1888 xhci_dbg(xhci, "Vendor defined info completion code %u\n", in xhci_is_vendor_info_code()
1890 xhci_dbg(xhci, "Treating code as success.\n"); in xhci_is_vendor_info_code()
1896 static int xhci_td_cleanup(struct xhci_hcd *xhci, struct xhci_td *td, in xhci_td_cleanup() argument
1905 xhci_unmap_td_bounce_buffer(xhci, ep_ring, td); in xhci_td_cleanup()
1913 xhci_warn(xhci, "URB req %u and actual %u transfer length mismatch\n", in xhci_td_cleanup()
1929 xhci_dbg(xhci, "Giveback URB %p, len = %d, expected = %d, status = %d\n", in xhci_td_cleanup()
1936 xhci_giveback_urb_in_irq(xhci, td, *status); in xhci_td_cleanup()
1942 static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td, in finish_td() argument
1954 xdev = xhci->devs[slot_id]; in finish_td()
1957 ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index); in finish_td()
1970 xhci_requires_manual_halt_cleanup(xhci, ep_ctx, in finish_td()
1977 xhci_cleanup_halted_endpoint(xhci, slot_id, ep_index, in finish_td()
1982 inc_deq(xhci, ep_ring); in finish_td()
1983 inc_deq(xhci, ep_ring); in finish_td()
1986 return xhci_td_cleanup(xhci, td, ep_ring, status); in finish_td()
1990 static int sum_trb_lengths(struct xhci_hcd *xhci, struct xhci_ring *ring, in sum_trb_lengths() argument
1997 for (sum = 0; trb != stop_trb; next_trb(xhci, ring, &seg, &trb)) { in sum_trb_lengths()
2007 static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, in process_ctrl_td() argument
2021 xdev = xhci->devs[slot_id]; in process_ctrl_td()
2023 ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index); in process_ctrl_td()
2031 xhci_warn(xhci, "WARN: Success on ctrl %s TRB without IOC set?\n", in process_ctrl_td()
2045 xhci_warn(xhci, "WARN: Stopped Short Packet on ctrl setup or status TRB\n"); in process_ctrl_td()
2060 xhci_warn(xhci, "WARN: unexpected TRB Type %d\n", in process_ctrl_td()
2067 if (!xhci_requires_manual_halt_cleanup(xhci, in process_ctrl_td()
2070 xhci_dbg(xhci, "TRB error %u, halted endpoint index = %u\n", in process_ctrl_td()
2094 xhci_dbg(xhci, "Waiting for status stage event\n"); in process_ctrl_td()
2103 return finish_td(xhci, td, event, ep, status); in process_ctrl_td()
2109 static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, in process_isoc_td() argument
2138 if (xhci->quirks & XHCI_TRUST_TX_LENGTH) in process_isoc_td()
2183 frame->actual_length = sum_trb_lengths(xhci, ep_ring, ep_trb) + in process_isoc_td()
2190 return finish_td(xhci, td, event, ep, status); in process_isoc_td()
2193 static int skip_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, in skip_isoc_td() argument
2215 inc_deq(xhci, ep_ring); in skip_isoc_td()
2216 inc_deq(xhci, ep_ring); in skip_isoc_td()
2218 return xhci_td_cleanup(xhci, td, ep_ring, status); in skip_isoc_td()
2224 static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, in process_bulk_intr_td() argument
2236 slot_ctx = xhci_get_slot_ctx(xhci, xhci->devs[slot_id]->out_ctx); in process_bulk_intr_td()
2249 xhci_warn(xhci, "WARN Successful completion on short TX\n"); in process_bulk_intr_td()
2250 xhci_dbg(xhci, "ep %#x - asked for %d bytes, %d bytes untransferred\n", in process_bulk_intr_td()
2257 xhci_dbg(xhci, "ep %#x - asked for %d bytes, %d bytes untransferred\n", in process_bulk_intr_td()
2275 xhci_cleanup_halted_endpoint(xhci, slot_id, ep_index, in process_bulk_intr_td()
2287 sum_trb_lengths(xhci, ep_ring, ep_trb) + in process_bulk_intr_td()
2291 xhci_warn(xhci, "bad transfer trb length %d in event trb\n", in process_bulk_intr_td()
2295 return finish_td(xhci, td, event, ep, status); in process_bulk_intr_td()
2303 static int handle_tx_event(struct xhci_hcd *xhci, in handle_tx_event() argument
2327 xdev = xhci->devs[slot_id]; in handle_tx_event()
2329 xhci_err(xhci, "ERROR Transfer event pointed to bad slot %u\n", in handle_tx_event()
2336 ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index); in handle_tx_event()
2339 xhci_err(xhci, in handle_tx_event()
2352 xhci_cleanup_halted_endpoint(xhci, slot_id, ep_index, 0, in handle_tx_event()
2360 xhci_err(xhci, "ERROR Transfer event for unknown stream ring slot %u ep %u\n", in handle_tx_event()
2380 if (xhci->quirks & XHCI_TRUST_TX_LENGTH || in handle_tx_event()
2384 xhci_warn_ratelimited(xhci, in handle_tx_event()
2391 xhci_dbg(xhci, "Stopped on Transfer TRB for slot %u ep %u\n", in handle_tx_event()
2395 xhci_dbg(xhci, in handle_tx_event()
2400 xhci_dbg(xhci, in handle_tx_event()
2406 xhci_dbg(xhci, "Stalled endpoint for slot %u ep %u\n", slot_id, in handle_tx_event()
2413 xhci_dbg(xhci, "Transfer error for slot %u ep %u on endpoint\n", in handle_tx_event()
2418 xhci_dbg(xhci, "Babble error for slot %u ep %u on endpoint\n", in handle_tx_event()
2424 xhci_warn(xhci, in handle_tx_event()
2431 xhci_warn(xhci, in handle_tx_event()
2437 xhci_warn(xhci, in handle_tx_event()
2442 xhci_warn(xhci, in handle_tx_event()
2452 xhci_dbg(xhci, "underrun event on endpoint\n"); in handle_tx_event()
2454 xhci_dbg(xhci, "Underrun Event for slot %d ep %d " in handle_tx_event()
2460 xhci_dbg(xhci, "overrun event on endpoint\n"); in handle_tx_event()
2462 xhci_dbg(xhci, "Overrun Event for slot %d ep %d " in handle_tx_event()
2475 xhci_dbg(xhci, in handle_tx_event()
2481 xhci_dbg(xhci, in handle_tx_event()
2488 xhci_warn(xhci, in handle_tx_event()
2494 if (xhci_is_vendor_info_code(xhci, trb_comp_code)) { in handle_tx_event()
2498 xhci_warn(xhci, in handle_tx_event()
2520 xhci_warn(xhci, "WARN Event TRB for slot %d ep %d with no TDs queued?\n", in handle_tx_event()
2526 xhci_dbg(xhci, "td_list is empty while skip flag set. Clear skip flag for slot %u ep %u.\n", in handle_tx_event()
2535 xhci_dbg(xhci, "All tds on the ep_ring skipped. Clear skip flag for slot %u ep %u.\n", in handle_tx_event()
2546 ep_seg = trb_in_td(xhci, ep_ring->deq_seg, ep_ring->dequeue, in handle_tx_event()
2569 if ((xhci->quirks & XHCI_SPURIOUS_SUCCESS) && in handle_tx_event()
2575 xhci_err(xhci, in handle_tx_event()
2580 trb_in_td(xhci, ep_ring->deq_seg, in handle_tx_event()
2586 skip_isoc_td(xhci, td, event, ep, &status); in handle_tx_event()
2595 xhci_dbg(xhci, in handle_tx_event()
2616 xhci_requires_manual_halt_cleanup(xhci, ep_ctx, in handle_tx_event()
2618 xhci_cleanup_halted_endpoint(xhci, slot_id, in handle_tx_event()
2627 process_ctrl_td(xhci, td, ep_trb, event, ep, &status); in handle_tx_event()
2629 process_isoc_td(xhci, td, ep_trb, event, ep, &status); in handle_tx_event()
2631 process_bulk_intr_td(xhci, td, ep_trb, event, ep, in handle_tx_event()
2643 inc_deq(xhci, xhci->event_ring); in handle_tx_event()
2656 xhci_err(xhci, "@%016llx %08x %08x %08x %08x\n", in handle_tx_event()
2658 xhci->event_ring->deq_seg, in handle_tx_event()
2659 xhci->event_ring->dequeue), in handle_tx_event()
2673 static int xhci_handle_event(struct xhci_hcd *xhci) in xhci_handle_event() argument
2680 if (!xhci->event_ring || !xhci->event_ring->dequeue) { in xhci_handle_event()
2681 xhci_err(xhci, "ERROR event ring not ready\n"); in xhci_handle_event()
2685 event = xhci->event_ring->dequeue; in xhci_handle_event()
2688 xhci->event_ring->cycle_state) in xhci_handle_event()
2691 trace_xhci_handle_event(xhci->event_ring, &event->generic); in xhci_handle_event()
2701 handle_cmd_completion(xhci, &event->event_cmd); in xhci_handle_event()
2704 handle_port_status(xhci, event); in xhci_handle_event()
2708 ret = handle_tx_event(xhci, &event->trans_event); in xhci_handle_event()
2713 handle_device_notification(xhci, event); in xhci_handle_event()
2718 handle_vendor_event(xhci, event); in xhci_handle_event()
2720 xhci_warn(xhci, "ERROR unknown event type %d\n", in xhci_handle_event()
2727 if (xhci->xhc_state & XHCI_STATE_DYING) { in xhci_handle_event()
2728 xhci_dbg(xhci, "xHCI host dying, returning from " in xhci_handle_event()
2735 inc_deq(xhci, xhci->event_ring); in xhci_handle_event()
2750 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_irq() local
2758 spin_lock_irqsave(&xhci->lock, flags); in xhci_irq()
2760 status = readl(&xhci->op_regs->status); in xhci_irq()
2762 xhci_hc_died(xhci); in xhci_irq()
2771 xhci_warn(xhci, "WARNING: Host System Error\n"); in xhci_irq()
2772 xhci_halt(xhci); in xhci_irq()
2783 writel(status, &xhci->op_regs->status); in xhci_irq()
2787 irq_pending = readl(&xhci->ir_set->irq_pending); in xhci_irq()
2789 writel(irq_pending, &xhci->ir_set->irq_pending); in xhci_irq()
2792 if (xhci->xhc_state & XHCI_STATE_DYING || in xhci_irq()
2793 xhci->xhc_state & XHCI_STATE_HALTED) { in xhci_irq()
2794 xhci_dbg(xhci, "xHCI dying, ignoring interrupt. " in xhci_irq()
2799 temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); in xhci_irq()
2800 xhci_write_64(xhci, temp_64 | ERST_EHB, in xhci_irq()
2801 &xhci->ir_set->erst_dequeue); in xhci_irq()
2806 event_ring_deq = xhci->event_ring->dequeue; in xhci_irq()
2810 while (xhci_handle_event(xhci) > 0) {} in xhci_irq()
2812 temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); in xhci_irq()
2814 if (event_ring_deq != xhci->event_ring->dequeue) { in xhci_irq()
2815 deq = xhci_trb_virt_to_dma(xhci->event_ring->deq_seg, in xhci_irq()
2816 xhci->event_ring->dequeue); in xhci_irq()
2818 xhci_warn(xhci, "WARN something wrong with SW event " in xhci_irq()
2827 xhci_write_64(xhci, temp_64, &xhci->ir_set->erst_dequeue); in xhci_irq()
2831 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_irq()
2850 static void queue_trb(struct xhci_hcd *xhci, struct xhci_ring *ring, in queue_trb() argument
2864 inc_enq(xhci, ring, more_trbs_coming); in queue_trb()
2871 static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring, in prepare_ring() argument
2883 xhci_warn(xhci, "WARN urb submitted to disabled ep\n"); in prepare_ring()
2886 xhci_warn(xhci, "WARN waiting for error on ep to be cleared\n"); in prepare_ring()
2891 xhci_dbg(xhci, "WARN halted endpoint, queueing URB anyway.\n"); in prepare_ring()
2896 xhci_err(xhci, "ERROR unknown endpoint state for ep\n"); in prepare_ring()
2905 if (room_on_ring(xhci, ep_ring, num_trbs)) in prepare_ring()
2908 if (ep_ring == xhci->cmd_ring) { in prepare_ring()
2909 xhci_err(xhci, "Do not support expand command ring\n"); in prepare_ring()
2913 xhci_dbg_trace(xhci, trace_xhci_dbg_ring_expansion, in prepare_ring()
2916 if (xhci_ring_expansion(xhci, ep_ring, num_trbs_needed, in prepare_ring()
2918 xhci_err(xhci, "Ring expansion failed\n"); in prepare_ring()
2927 if (!xhci_link_trb_quirk(xhci) && in prepare_ring()
2929 (xhci->quirks & XHCI_AMD_0x96_HOST))) in prepare_ring()
2949 static int prepare_transfer(struct xhci_hcd *xhci, in prepare_transfer() argument
2962 struct xhci_ep_ctx *ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index); in prepare_transfer()
2966 xhci_dbg(xhci, "Can't prepare ring for bad stream ID %u\n", in prepare_transfer()
2971 ret = prepare_ring(xhci, ep_ring, GET_EP_CTX_STATE(ep_ctx), in prepare_transfer()
3055 static void giveback_first_trb(struct xhci_hcd *xhci, int slot_id, in giveback_first_trb() argument
3068 xhci_ring_ep_doorbell(xhci, slot_id, ep_index, stream_id); in giveback_first_trb()
3071 static void check_interval(struct xhci_hcd *xhci, struct urb *urb, in check_interval() argument
3107 int xhci_queue_intr_tx(struct xhci_hcd *xhci, gfp_t mem_flags, in xhci_queue_intr_tx() argument
3112 ep_ctx = xhci_get_ep_ctx(xhci, xhci->devs[slot_id]->out_ctx, ep_index); in xhci_queue_intr_tx()
3113 check_interval(xhci, urb, ep_ctx); in xhci_queue_intr_tx()
3115 return xhci_queue_bulk_tx(xhci, mem_flags, urb, slot_id, ep_index); in xhci_queue_intr_tx()
3138 static u32 xhci_td_remainder(struct xhci_hcd *xhci, int transferred, in xhci_td_remainder() argument
3145 if (xhci->hci_version < 0x100 && !(xhci->quirks & XHCI_MTK_HOST)) in xhci_td_remainder()
3154 if ((xhci->quirks & XHCI_MTK_HOST) && (xhci->hci_version < 0x100)) in xhci_td_remainder()
3165 static int xhci_align_td(struct xhci_hcd *xhci, struct urb *urb, u32 enqd_len, in xhci_align_td() argument
3168 struct device *dev = xhci_to_hcd(xhci)->self.controller; in xhci_align_td()
3181 xhci_dbg(xhci, "Unaligned %d bytes, buff len %d\n", in xhci_align_td()
3187 xhci_dbg(xhci, "split align, new buff len %d\n", *trb_buff_len); in xhci_align_td()
3206 xhci_warn(xhci, in xhci_align_td()
3218 xhci_warn(xhci, "Failed mapping bounce buffer, not aligning\n"); in xhci_align_td()
3225 xhci_dbg(xhci, "Bounce align, new buff len %d\n", *trb_buff_len); in xhci_align_td()
3231 int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, in xhci_queue_bulk_tx() argument
3249 ring = xhci_urb_to_transfer_ring(xhci, urb); in xhci_queue_bulk_tx()
3266 ret = prepare_transfer(xhci, xhci->devs[slot_id], in xhci_queue_bulk_tx()
3315 if (xhci_align_td(xhci, urb, enqd_len, in xhci_queue_bulk_tx()
3343 remainder = xhci_td_remainder(xhci, enqd_len, trb_buff_len, in xhci_queue_bulk_tx()
3350 queue_trb(xhci, ring, more_trbs_coming | need_zero_pkt, in xhci_queue_bulk_tx()
3375 ret = prepare_transfer(xhci, xhci->devs[slot_id], in xhci_queue_bulk_tx()
3380 queue_trb(xhci, ring, 0, 0, 0, TRB_INTR_TARGET(0), field); in xhci_queue_bulk_tx()
3384 giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id, in xhci_queue_bulk_tx()
3390 int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, in xhci_queue_ctrl_tx() argument
3403 ep_ring = xhci_urb_to_transfer_ring(xhci, urb); in xhci_queue_ctrl_tx()
3423 ret = prepare_transfer(xhci, xhci->devs[slot_id], in xhci_queue_ctrl_tx()
3449 if ((xhci->hci_version >= 0x100) || (xhci->quirks & XHCI_MTK_HOST)) { in xhci_queue_ctrl_tx()
3458 queue_trb(xhci, ep_ring, true, in xhci_queue_ctrl_tx()
3485 remainder = xhci_td_remainder(xhci, 0, in xhci_queue_ctrl_tx()
3494 queue_trb(xhci, ep_ring, true, in xhci_queue_ctrl_tx()
3510 queue_trb(xhci, ep_ring, false, in xhci_queue_ctrl_tx()
3517 giveback_first_trb(xhci, slot_id, ep_index, 0, in xhci_queue_ctrl_tx()
3530 static unsigned int xhci_get_burst_count(struct xhci_hcd *xhci, in xhci_get_burst_count() argument
3535 if (xhci->hci_version < 0x100 || urb->dev->speed < USB_SPEED_SUPER) in xhci_get_burst_count()
3550 static unsigned int xhci_get_last_burst_packet_count(struct xhci_hcd *xhci, in xhci_get_last_burst_packet_count() argument
3556 if (xhci->hci_version < 0x100) in xhci_get_last_burst_packet_count()
3582 static int xhci_get_isoc_frame_id(struct xhci_hcd *xhci, in xhci_get_isoc_frame_id() argument
3602 ist = HCS_IST(xhci->hcs_params2) & 0x7; in xhci_get_isoc_frame_id()
3603 if (HCS_IST(xhci->hcs_params2) & (1 << 3)) in xhci_get_isoc_frame_id()
3619 current_frame_id = readl(&xhci->run_regs->microframe_index); in xhci_get_isoc_frame_id()
3627 xhci_dbg(xhci, "%s: index %d, reg 0x%x start_frame_id 0x%x, end_frame_id 0x%x, start_frame 0x%x\n", in xhci_get_isoc_frame_id()
3628 __func__, index, readl(&xhci->run_regs->microframe_index), in xhci_get_isoc_frame_id()
3656 xhci_warn(xhci, "Frame ID %d (reg %d, index %d) beyond range (%d, %d)\n", in xhci_get_isoc_frame_id()
3659 xhci_warn(xhci, "Ignore frame ID field, use SIA bit instead\n"); in xhci_get_isoc_frame_id()
3667 static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, in xhci_queue_isoc_tx() argument
3685 xep = &xhci->devs[slot_id]->eps[ep_index]; in xhci_queue_isoc_tx()
3686 ep_ring = xhci->devs[slot_id]->eps[ep_index].ring; in xhci_queue_isoc_tx()
3690 xhci_dbg(xhci, "Isoc URB with zero packets?\n"); in xhci_queue_isoc_tx()
3715 burst_count = xhci_get_burst_count(xhci, urb, total_pkt_count); in xhci_queue_isoc_tx()
3716 last_burst_pkt_count = xhci_get_last_burst_packet_count(xhci, in xhci_queue_isoc_tx()
3721 ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index, in xhci_queue_isoc_tx()
3733 HCC_CFC(xhci->hcc_params)) { in xhci_queue_isoc_tx()
3734 frame_id = xhci_get_isoc_frame_id(xhci, urb, i); in xhci_queue_isoc_tx()
3774 if (xhci->hci_version >= 0x100 && in xhci_queue_isoc_tx()
3775 !(xhci->quirks & XHCI_AVOID_BEI) && in xhci_queue_isoc_tx()
3785 remainder = xhci_td_remainder(xhci, running_total, in xhci_queue_isoc_tx()
3799 queue_trb(xhci, ep_ring, more_trbs_coming, in xhci_queue_isoc_tx()
3812 xhci_err(xhci, "ISOC TD length unmatch\n"); in xhci_queue_isoc_tx()
3819 if (HCC_CFC(xhci->hcc_params)) in xhci_queue_isoc_tx()
3822 if (xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs == 0) { in xhci_queue_isoc_tx()
3823 if (xhci->quirks & XHCI_AMD_PLL_FIX) in xhci_queue_isoc_tx()
3826 xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs++; in xhci_queue_isoc_tx()
3828 giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id, in xhci_queue_isoc_tx()
3844 td_to_noop(xhci, ep_ring, &urb_priv->td[0], true); in xhci_queue_isoc_tx()
3862 int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags, in xhci_queue_isoc_tx_prepare() argument
3874 xdev = xhci->devs[slot_id]; in xhci_queue_isoc_tx_prepare()
3875 xep = &xhci->devs[slot_id]->eps[ep_index]; in xhci_queue_isoc_tx_prepare()
3877 ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index); in xhci_queue_isoc_tx_prepare()
3887 ret = prepare_ring(xhci, ep_ring, GET_EP_CTX_STATE(ep_ctx), in xhci_queue_isoc_tx_prepare()
3896 check_interval(xhci, urb, ep_ctx); in xhci_queue_isoc_tx_prepare()
3899 if (HCC_CFC(xhci->hcc_params) && !list_empty(&ep_ring->td_list)) { in xhci_queue_isoc_tx_prepare()
3906 start_frame = readl(&xhci->run_regs->microframe_index); in xhci_queue_isoc_tx_prepare()
3912 ist = HCS_IST(xhci->hcs_params2) & 0x7; in xhci_queue_isoc_tx_prepare()
3913 if (HCS_IST(xhci->hcs_params2) & (1 << 3)) in xhci_queue_isoc_tx_prepare()
3934 return xhci_queue_isoc_tx(xhci, mem_flags, urb, slot_id, ep_index); in xhci_queue_isoc_tx_prepare()
3947 static int queue_command(struct xhci_hcd *xhci, struct xhci_command *cmd, in queue_command() argument
3951 int reserved_trbs = xhci->cmd_ring_reserved_trbs; in queue_command()
3954 if ((xhci->xhc_state & XHCI_STATE_DYING) || in queue_command()
3955 (xhci->xhc_state & XHCI_STATE_HALTED)) { in queue_command()
3956 xhci_dbg(xhci, "xHCI dying or halted, can't queue_command\n"); in queue_command()
3963 ret = prepare_ring(xhci, xhci->cmd_ring, EP_STATE_RUNNING, in queue_command()
3966 xhci_err(xhci, "ERR: No room for command on command ring\n"); in queue_command()
3968 xhci_err(xhci, "ERR: Reserved TRB counting for " in queue_command()
3973 cmd->command_trb = xhci->cmd_ring->enqueue; in queue_command()
3976 if (list_empty(&xhci->cmd_list)) { in queue_command()
3977 xhci->current_cmd = cmd; in queue_command()
3978 xhci_mod_cmd_timer(xhci, XHCI_CMD_DEFAULT_TIMEOUT); in queue_command()
3981 list_add_tail(&cmd->cmd_list, &xhci->cmd_list); in queue_command()
3983 queue_trb(xhci, xhci->cmd_ring, false, field1, field2, field3, in queue_command()
3984 field4 | xhci->cmd_ring->cycle_state); in queue_command()
3989 int xhci_queue_slot_control(struct xhci_hcd *xhci, struct xhci_command *cmd, in xhci_queue_slot_control() argument
3992 return queue_command(xhci, cmd, 0, 0, 0, in xhci_queue_slot_control()
3997 int xhci_queue_address_device(struct xhci_hcd *xhci, struct xhci_command *cmd, in xhci_queue_address_device() argument
4000 return queue_command(xhci, cmd, lower_32_bits(in_ctx_ptr), in xhci_queue_address_device()
4006 int xhci_queue_vendor_command(struct xhci_hcd *xhci, struct xhci_command *cmd, in xhci_queue_vendor_command() argument
4009 return queue_command(xhci, cmd, field1, field2, field3, field4, false); in xhci_queue_vendor_command()
4013 int xhci_queue_reset_device(struct xhci_hcd *xhci, struct xhci_command *cmd, in xhci_queue_reset_device() argument
4016 return queue_command(xhci, cmd, 0, 0, 0, in xhci_queue_reset_device()
4022 int xhci_queue_configure_endpoint(struct xhci_hcd *xhci, in xhci_queue_configure_endpoint() argument
4026 return queue_command(xhci, cmd, lower_32_bits(in_ctx_ptr), in xhci_queue_configure_endpoint()
4033 int xhci_queue_evaluate_context(struct xhci_hcd *xhci, struct xhci_command *cmd, in xhci_queue_evaluate_context() argument
4036 return queue_command(xhci, cmd, lower_32_bits(in_ctx_ptr), in xhci_queue_evaluate_context()
4046 int xhci_queue_stop_endpoint(struct xhci_hcd *xhci, struct xhci_command *cmd, in xhci_queue_stop_endpoint() argument
4054 return queue_command(xhci, cmd, 0, 0, 0, in xhci_queue_stop_endpoint()
4059 void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci, in xhci_queue_new_dequeue_state() argument
4073 xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, in xhci_queue_new_dequeue_state()
4085 xhci_warn(xhci, "WARN Cannot submit Set TR Deq Ptr\n"); in xhci_queue_new_dequeue_state()
4086 xhci_warn(xhci, "WARN deq seg = %p, deq pt = %p\n", in xhci_queue_new_dequeue_state()
4090 ep = &xhci->devs[slot_id]->eps[ep_index]; in xhci_queue_new_dequeue_state()
4092 xhci_warn(xhci, "WARN Cannot submit Set TR Deq Ptr\n"); in xhci_queue_new_dequeue_state()
4093 xhci_warn(xhci, "A Set TR Deq Ptr command is pending.\n"); in xhci_queue_new_dequeue_state()
4098 cmd = xhci_alloc_command(xhci, false, GFP_ATOMIC); in xhci_queue_new_dequeue_state()
4106 ret = queue_command(xhci, cmd, in xhci_queue_new_dequeue_state()
4111 xhci_free_command(xhci, cmd); in xhci_queue_new_dequeue_state()
4123 int xhci_queue_reset_ep(struct xhci_hcd *xhci, struct xhci_command *cmd, in xhci_queue_reset_ep() argument
4134 return queue_command(xhci, cmd, 0, 0, 0, in xhci_queue_reset_ep()