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![Amine Khaldi](/assets/img/avatar_default.png)
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
409 lines
11 KiB
C
409 lines
11 KiB
C
/*
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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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#define NDEBUG
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#include <debug.h>
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NTSTATUS
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USBSTOR_GetEndpointStatus(
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IN PDEVICE_OBJECT DeviceObject,
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IN UCHAR bEndpointAddress,
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OUT PUSHORT Value)
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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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DPRINT("Allocating URB\n");
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Urb = (PURB)AllocateItem(NonPagedPool, sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_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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// build status
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//
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UsbBuildGetStatusRequest(Urb, URB_FUNCTION_GET_STATUS_FROM_ENDPOINT, bEndpointAddress & 0x0F, Value, NULL, NULL);
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//
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// send the request
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//
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DPRINT1("Sending Request DeviceObject %p, Urb %p\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_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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DPRINT("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 %p, Urb %p\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_CONTEXT Context)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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PIO_STACK_LOCATION Stack;
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PSCSI_REQUEST_BLOCK Request;
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PCDB pCDB;
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//
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// sanity checks
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//
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ASSERT(Context);
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ASSERT(Context->PDODeviceExtension);
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ASSERT(Context->PDODeviceExtension->Self);
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ASSERT(Context->Irp);
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//
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// first perform a mass storage reset step 1 in 5.3.4 USB Mass Storage Bulk Only Specification
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//
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Status = USBSTOR_ResetDevice(Context->FDODeviceExtension->LowerDeviceObject, Context->FDODeviceExtension);
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if (NT_SUCCESS(Status))
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{
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//
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// step 2 reset bulk in pipe section 5.3.4
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//
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Status = USBSTOR_ResetPipeWithHandle(Context->FDODeviceExtension->LowerDeviceObject, Context->FDODeviceExtension->InterfaceInformation->Pipes[Context->FDODeviceExtension->BulkInPipeIndex].PipeHandle);
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if (NT_SUCCESS(Status))
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{
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//
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// finally reset bulk out pipe
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//
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Status = USBSTOR_ResetPipeWithHandle(Context->FDODeviceExtension->LowerDeviceObject, Context->FDODeviceExtension->InterfaceInformation->Pipes[Context->FDODeviceExtension->BulkOutPipeIndex].PipeHandle);
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}
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}
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//
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// get next stack location
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//
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Stack = IoGetCurrentIrpStackLocation(Context->Irp);
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//
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// get request block
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//
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Request = (PSCSI_REQUEST_BLOCK)Stack->Parameters.Others.Argument1;
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ASSERT(Request);
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//
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// obtain request type
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//
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pCDB = (PCDB)Request->Cdb;
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ASSERT(pCDB);
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if (Status != STATUS_SUCCESS || Context->RetryCount >= 1)
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{
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//
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// Complete the master IRP
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//
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Context->Irp->IoStatus.Status = Status;
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Context->Irp->IoStatus.Information = 0;
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USBSTOR_QueueTerminateRequest(Context->PDODeviceExtension->LowerDeviceObject, Context->Irp);
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IoCompleteRequest(Context->Irp, IO_NO_INCREMENT);
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//
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// Start the next request
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//
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USBSTOR_QueueNextRequest(Context->PDODeviceExtension->LowerDeviceObject);
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//
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// srb handling finished
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//
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Context->FDODeviceExtension->SrbErrorHandlingActive = FALSE;
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//
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// clear timer srb
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//
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Context->FDODeviceExtension->LastTimerActiveSrb = NULL;
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}
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else
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{
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DPRINT1("Retrying Count %lu %p\n", Context->RetryCount, Context->PDODeviceExtension->Self);
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//
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// re-schedule request
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//
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USBSTOR_HandleExecuteSCSI(Context->PDODeviceExtension->Self, Context->Irp, Context->RetryCount + 1);
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//
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// srb error handling finished
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//
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Context->FDODeviceExtension->SrbErrorHandlingActive = FALSE;
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//
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// srb error handling finished
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//
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Context->FDODeviceExtension->TimerWorkQueueEnabled = TRUE;
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//
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// clear timer srb
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//
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Context->FDODeviceExtension->LastTimerActiveSrb = NULL;
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}
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//
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// cleanup irp context
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//
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FreeItem(Context->cbw);
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FreeItem(Context);
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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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USBSTOR_ResetHandlerWorkItemRoutine(
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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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//
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// clear stall on BulkIn pipe
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//
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Status = USBSTOR_ResetPipeWithHandle(WorkItemData->Context->FDODeviceExtension->LowerDeviceObject, WorkItemData->Context->FDODeviceExtension->InterfaceInformation->Pipes[WorkItemData->Context->FDODeviceExtension->BulkInPipeIndex].PipeHandle);
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DPRINT1("USBSTOR_ResetPipeWithHandle Status %x\n", Status);
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//
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// now resend the csw as the stall got cleared
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//
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USBSTOR_SendCSW(WorkItemData->Context, WorkItemData->Irp);
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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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PERRORHANDLER_WORKITEM_DATA WorkItemData = (PERRORHANDLER_WORKITEM_DATA)Context;
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if (WorkItemData->Context->ErrorIndex == 2)
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{
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//
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// reset device
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//
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USBSTOR_HandleTransferError(WorkItemData->DeviceObject, WorkItemData->Context);
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}
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else
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{
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//
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// clear stall
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//
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USBSTOR_ResetHandlerWorkItemRoutine(WorkItemData);
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}
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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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VOID
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NTAPI
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USBSTOR_TimerWorkerRoutine(
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IN PVOID Context)
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{
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PFDO_DEVICE_EXTENSION FDODeviceExtension;
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NTSTATUS Status;
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PERRORHANDLER_WORKITEM_DATA WorkItemData = (PERRORHANDLER_WORKITEM_DATA)Context;
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//
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// get device extension
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//
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FDODeviceExtension = (PFDO_DEVICE_EXTENSION)WorkItemData->DeviceObject->DeviceExtension;
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ASSERT(FDODeviceExtension->Common.IsFDO);
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//
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// first perform a mass storage reset step 1 in 5.3.4 USB Mass Storage Bulk Only Specification
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//
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Status = USBSTOR_ResetDevice(FDODeviceExtension->LowerDeviceObject, FDODeviceExtension);
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if (NT_SUCCESS(Status))
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{
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//
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// step 2 reset bulk in pipe section 5.3.4
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//
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Status = USBSTOR_ResetPipeWithHandle(FDODeviceExtension->LowerDeviceObject, FDODeviceExtension->InterfaceInformation->Pipes[FDODeviceExtension->BulkInPipeIndex].PipeHandle);
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if (NT_SUCCESS(Status))
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{
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//
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// finally reset bulk out pipe
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//
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Status = USBSTOR_ResetPipeWithHandle(FDODeviceExtension->LowerDeviceObject, FDODeviceExtension->InterfaceInformation->Pipes[FDODeviceExtension->BulkOutPipeIndex].PipeHandle);
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}
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}
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DPRINT1("Status %x\n", Status);
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//
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// clear timer srb
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//
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FDODeviceExtension->LastTimerActiveSrb = NULL;
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//
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// re-schedule request
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//
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//USBSTOR_HandleExecuteSCSI(WorkItemData->Context->PDODeviceExtension->Self, WorkItemData->Context->Irp, Context->RetryCount + 1);
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//
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// do not retry for the same packet again
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//
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FDODeviceExtension->TimerWorkQueueEnabled = FALSE;
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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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VOID
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NTAPI
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USBSTOR_TimerRoutine(
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PDEVICE_OBJECT DeviceObject,
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PVOID Context)
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{
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PFDO_DEVICE_EXTENSION FDODeviceExtension;
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BOOLEAN ResetDevice = FALSE;
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PERRORHANDLER_WORKITEM_DATA WorkItemData;
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//
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// get device extension
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//
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FDODeviceExtension = (PFDO_DEVICE_EXTENSION)Context;
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DPRINT1("[USBSTOR] TimerRoutine entered\n");
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DPRINT1("[USBSTOR] ActiveSrb %p ResetInProgress %x LastTimerActiveSrb %p\n", FDODeviceExtension->ActiveSrb, FDODeviceExtension->ResetInProgress, FDODeviceExtension->LastTimerActiveSrb);
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//
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// acquire spinlock
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//
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KeAcquireSpinLockAtDpcLevel(&FDODeviceExtension->IrpListLock);
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//
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// is there an active srb and no global reset is in progress
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//
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if (FDODeviceExtension->ActiveSrb && FDODeviceExtension->ResetInProgress == FALSE && FDODeviceExtension->TimerWorkQueueEnabled)
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{
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if (FDODeviceExtension->LastTimerActiveSrb != NULL && FDODeviceExtension->LastTimerActiveSrb == FDODeviceExtension->ActiveSrb)
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{
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//
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// check if empty
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//
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DPRINT1("[USBSTOR] ActiveSrb %p hang detected\n", FDODeviceExtension->ActiveSrb);
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ResetDevice = TRUE;
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}
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else
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{
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//
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// update pointer
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//
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FDODeviceExtension->LastTimerActiveSrb = FDODeviceExtension->ActiveSrb;
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}
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}
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else
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{
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//
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// reset srb
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//
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FDODeviceExtension->LastTimerActiveSrb = NULL;
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}
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//
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// release lock
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//
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KeReleaseSpinLockFromDpcLevel(&FDODeviceExtension->IrpListLock);
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if (ResetDevice && FDODeviceExtension->TimerWorkQueueEnabled && FDODeviceExtension->SrbErrorHandlingActive == FALSE)
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{
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WorkItemData = (PERRORHANDLER_WORKITEM_DATA)ExAllocatePool(NonPagedPool, sizeof(ERRORHANDLER_WORKITEM_DATA));
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if (WorkItemData)
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{
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//
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// Initialize and queue the work item to handle the error
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//
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ExInitializeWorkItem(&WorkItemData->WorkQueueItem,
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USBSTOR_TimerWorkerRoutine,
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WorkItemData);
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WorkItemData->DeviceObject = FDODeviceExtension->FunctionalDeviceObject;
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DPRINT1("[USBSTOR] Queing Timer WorkItem\n");
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ExQueueWorkItem(&WorkItemData->WorkQueueItem, DelayedWorkQueue);
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}
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}
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}
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