2011-05-15 11:23:16 +00:00
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/*
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* PROJECT: ReactOS Universal Serial Bus Bulk Storage Driver
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: drivers/usb/usbstor/error.c
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* PURPOSE: USB block storage device driver.
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* PROGRAMMERS:
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* James Tabor
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* Michael Martin (michael.martin@reactos.org)
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* Johannes Anderwald (johannes.anderwald@reactos.org)
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*/
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#include "usbstor.h"
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NTSTATUS
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USBSTOR_ResetPipeWithHandle(
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IN PDEVICE_OBJECT DeviceObject,
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IN USBD_PIPE_HANDLE PipeHandle)
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{
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PURB Urb;
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NTSTATUS Status;
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//
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// allocate urb
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//
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DPRINT1("Allocating URB\n");
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Urb = (PURB)AllocateItem(NonPagedPool, sizeof(struct _URB_PIPE_REQUEST));
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if (!Urb)
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{
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//
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// out of memory
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//
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DPRINT1("OutofMemory!\n");
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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//
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// initialize the urb
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//
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Urb->UrbPipeRequest.Hdr.Length = sizeof(struct _URB_PIPE_REQUEST);
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Urb->UrbPipeRequest.Hdr.Function = URB_FUNCTION_SYNC_RESET_PIPE_AND_CLEAR_STALL;
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Urb->UrbPipeRequest.PipeHandle = PipeHandle;
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//
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// send the request
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//
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DPRINT1("Sending Request DeviceObject %x, Urb %x\n", DeviceObject, Urb);
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Status = USBSTOR_SyncUrbRequest(DeviceObject, Urb);
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//
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// free urb
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//
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FreeItem(Urb);
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//
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// done
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//
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return Status;
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}
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NTSTATUS
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USBSTOR_HandleTransferError(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp,
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PIRP_CONTEXT Context)
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{
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NTSTATUS Status;
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PIO_STACK_LOCATION Stack;
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USBD_PIPE_HANDLE PipeHandle;
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PSCSI_REQUEST_BLOCK Request;
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DPRINT1("Entered Handle Transfer Error\n");
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//
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// Determine pipehandle
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//
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if (Context->cbw->CommandBlock[0] == SCSIOP_WRITE)
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{
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//
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// write request used bulk out pipe
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//
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PipeHandle = Context->FDODeviceExtension->InterfaceInformation->Pipes[Context->FDODeviceExtension->BulkOutPipeIndex].PipeHandle;
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}
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else
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{
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//
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// default bulk in pipe
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//
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PipeHandle = Context->FDODeviceExtension->InterfaceInformation->Pipes[Context->FDODeviceExtension->BulkInPipeIndex].PipeHandle;
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}
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switch (Context->Urb.UrbHeader.Status)
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{
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case USBD_STATUS_STALL_PID:
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{
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//
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// First attempt to reset the pipe
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//
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DPRINT1("Resetting Pipe\n");
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Status = USBSTOR_ResetPipeWithHandle(DeviceObject, PipeHandle);
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if (NT_SUCCESS(Status))
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{
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Status = STATUS_SUCCESS;
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break;
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}
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2011-05-17 11:26:25 +00:00
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DPRINT1("Failed to reset pipe %x\n", Status);
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2011-05-15 11:23:16 +00:00
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//
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// FIXME: Reset of pipe failed, attempt to reset port
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//
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Status = STATUS_UNSUCCESSFUL;
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break;
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}
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//
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// FIXME: Handle more errors
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//
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default:
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{
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DPRINT1("Error not handled\n");
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Status = STATUS_UNSUCCESSFUL;
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}
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}
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if (Status != STATUS_SUCCESS)
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{
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Irp->IoStatus.Status = Status;
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Irp->IoStatus.Information = 0;
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}
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else
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{
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Stack = IoGetCurrentIrpStackLocation(Context->Irp);
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//
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// Retry the operation
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//
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Request = (PSCSI_REQUEST_BLOCK)Stack->Parameters.Others.Argument1;
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DPRINT1("Retrying\n");
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Status = USBSTOR_HandleExecuteSCSI(DeviceObject, Context->Irp, Request, Context->PDODeviceExtension);
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}
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DPRINT1("USBSTOR_HandleTransferError returning with Status %x\n", Status);
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return Status;
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}
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VOID
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NTAPI
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ErrorHandlerWorkItemRoutine(
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PVOID Context)
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{
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NTSTATUS Status;
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PERRORHANDLER_WORKITEM_DATA WorkItemData = (PERRORHANDLER_WORKITEM_DATA)Context;
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Status = USBSTOR_HandleTransferError(WorkItemData->DeviceObject, WorkItemData->Irp, WorkItemData->Context);
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//
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// Free Work Item Data
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//
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ExFreePool(WorkItemData);
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}
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