Changeset feabe163 in mainline for uspace/drv/bus/usb/xhci/transfers.c

Timestamp:

2018-01-17T17:05:04Z (7 years ago)

Author:

Salmelu <salmelu@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ed8575f

Parents:

4cc0c2e0

Message:

xhci: common transfer errors detected and logged

File:

• uspace/drv/bus/usb/xhci/transfers.c (modified) (1 diff)

uspace/drv/bus/usb/xhci/transfers.c

@@ -351 +351 @@
                         break;
 
+                case XHCI_TRBC_DATA_BUFFER_ERROR:
+                        usb_log_warning("Transfer ended with data buffer error.");
+                        batch->error = EAGAIN;
+                        batch->transfered_size = 0;
+                        break;
+
+                case XHCI_TRBC_BABBLE_DETECTED_ERROR:
+                        usb_log_warning("Babble detected during the transfer. Resetting endpoint.");
+                        batch->error = EAGAIN;
+                        batch->transfered_size = 0;
+                        hc_reset_endpoint(hc, slot_id, ep_dci);
+                        break;
+
+                case XHCI_TRBC_USB_TRANSACTION_ERROR:
+                        usb_log_warning("USB Transaction error. Resetting endpoint.");
+                        batch->error = ESTALL;
+                        batch->transfered_size = 0;
+                        hc_reset_endpoint(hc, slot_id, ep_dci);
+                        break;
+
+                case XHCI_TRBC_TRB_ERROR:
+                        usb_log_error("Invalid transfer parameters.");
+                        batch->error = EINVAL;
+                        batch->transfered_size = 0;
+                        break;
+
+                case XHCI_TRBC_STALL_ERROR:
+                        usb_log_warning("Stall condition detected.");
+                        batch->error = ESTALL;
+                        batch->transfered_size = 0;
+                        break;
+
+                case XHCI_TRBC_SPLIT_TRANSACTION_ERROR:
+                        usb_log_error("Split transcation error detected.");
+                        batch->error = EAGAIN;
+                        batch->transfered_size = 0;
+                        break;
+
                 default:
                         usb_log_warning("Transfer not successfull: %u", completion_code);