mirror of
https://github.com/reactos/reactos.git
synced 2024-12-29 10:35:28 +00:00
691 lines
22 KiB
C
691 lines
22 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/disk.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_HandleInternalDeviceControl(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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PIO_STACK_LOCATION IoStack;
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PSCSI_REQUEST_BLOCK Request;
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PPDO_DEVICE_EXTENSION PDODeviceExtension;
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NTSTATUS Status;
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//
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// get current stack location
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//
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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//
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// get request block
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//
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Request = (PSCSI_REQUEST_BLOCK)IoStack->Parameters.Others.Argument1;
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//
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// sanity check
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//
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ASSERT(Request);
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//
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// get device extension
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//
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PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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//
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// sanity check
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//
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ASSERT(PDODeviceExtension->Common.IsFDO == FALSE);
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switch(Request->Function)
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{
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case SRB_FUNCTION_EXECUTE_SCSI:
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{
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DPRINT("SRB_FUNCTION_EXECUTE_SCSI\n");
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//
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// check if request is valid
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//
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if (Request->SrbFlags & (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT))
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{
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//
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// data is transferred with this irp
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//
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if ((Request->SrbFlags & (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT)) == (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT) ||
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Request->DataTransferLength == 0 ||
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Irp->MdlAddress == NULL)
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{
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//
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// invalid parameter
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//
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Status = STATUS_INVALID_PARAMETER;
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break;
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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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// sense buffer request
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//
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if (Request->DataTransferLength ||
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Request->DataBuffer ||
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Irp->MdlAddress)
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{
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//
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// invalid parameter
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//
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Status = STATUS_INVALID_PARAMETER;
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break;
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}
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}
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//
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// add the request
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//
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if (!USBSTOR_QueueAddIrp(PDODeviceExtension->LowerDeviceObject, Irp))
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{
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//
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// irp was not added to the queue
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//
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IoStartPacket(PDODeviceExtension->LowerDeviceObject, Irp, &Request->QueueSortKey, USBSTOR_CancelIo);
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}
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//
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// irp pending
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//
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return STATUS_PENDING;
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}
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case SRB_FUNCTION_RELEASE_DEVICE:
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{
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DPRINT1("SRB_FUNCTION_RELEASE_DEVICE\n");
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//
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// sanity check
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//
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ASSERT(PDODeviceExtension->Claimed == TRUE);
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//
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// release claim
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//
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PDODeviceExtension->Claimed = FALSE;
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Status = STATUS_SUCCESS;
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break;
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}
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case SRB_FUNCTION_CLAIM_DEVICE:
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{
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DPRINT1("SRB_FUNCTION_CLAIM_DEVICE\n");
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//
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// check if the device has been claimed
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//
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if (PDODeviceExtension->Claimed)
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{
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//
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// device has already been claimed
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//
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Status = STATUS_DEVICE_BUSY;
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Request->SrbStatus = SRB_STATUS_BUSY;
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break;
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}
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//
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// claim device
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//
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PDODeviceExtension->Claimed = TRUE;
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//
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// output device object
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//
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Request->DataBuffer = DeviceObject;
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//
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// completed successfully
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//
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Status = STATUS_SUCCESS;
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break;
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}
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case SRB_FUNCTION_RELEASE_QUEUE:
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{
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DPRINT1("SRB_FUNCTION_RELEASE_QUEUE\n");
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//
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// release queue
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//
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USBSTOR_QueueRelease(PDODeviceExtension->LowerDeviceObject);
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//
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// set status success
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//
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Request->SrbStatus = SRB_STATUS_SUCCESS;
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Status = STATUS_SUCCESS;
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break;
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}
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case SRB_FUNCTION_SHUTDOWN:
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case SRB_FUNCTION_FLUSH:
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case SRB_FUNCTION_FLUSH_QUEUE:
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{
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DPRINT1("SRB_FUNCTION_FLUSH / SRB_FUNCTION_FLUSH_QUEUE / SRB_FUNCTION_SHUTDOWN\n");
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// HACK: don't flush pending requests
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#if 0 // we really need a proper storage stack
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//
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// wait for pending requests to finish
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//
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USBSTOR_QueueWaitForPendingRequests(PDODeviceExtension->LowerDeviceObject);
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#endif
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//
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// set status success
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//
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Request->SrbStatus = SRB_STATUS_SUCCESS;
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Status = STATUS_SUCCESS;
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break;
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}
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default:
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{
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//
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// not supported
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//
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Status = STATUS_NOT_SUPPORTED;
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Request->SrbStatus = SRB_STATUS_ERROR;
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}
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}
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//
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// complete request
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//
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Irp->IoStatus.Status = Status;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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ULONG
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USBSTOR_GetFieldLength(
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IN PUCHAR Name,
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IN ULONG MaxLength)
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{
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ULONG Index;
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ULONG LastCharacterPosition = 0;
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//
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// scan the field and return last position which contains a valid character
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//
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for(Index = 0; Index < MaxLength; Index++)
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{
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if (Name[Index] != ' ')
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{
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//
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// trim white spaces from field
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//
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LastCharacterPosition = Index;
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}
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}
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//
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// convert from zero based index to length
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//
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return LastCharacterPosition + 1;
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}
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NTSTATUS
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USBSTOR_HandleQueryProperty(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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PIO_STACK_LOCATION IoStack;
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PSTORAGE_PROPERTY_QUERY PropertyQuery;
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PSTORAGE_DESCRIPTOR_HEADER DescriptorHeader;
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PSTORAGE_ADAPTER_DESCRIPTOR AdapterDescriptor;
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ULONG FieldLengthVendor, FieldLengthProduct, FieldLengthRevision, TotalLength, FieldLengthSerialNumber;
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PPDO_DEVICE_EXTENSION PDODeviceExtension;
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PUFI_INQUIRY_RESPONSE InquiryData;
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PSTORAGE_DEVICE_DESCRIPTOR DeviceDescriptor;
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PUCHAR Buffer;
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PFDO_DEVICE_EXTENSION FDODeviceExtension;
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UNICODE_STRING SerialNumber;
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ANSI_STRING AnsiString;
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NTSTATUS Status;
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DPRINT("USBSTOR_HandleQueryProperty\n");
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//
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// get current stack location
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//
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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//
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// sanity check
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//
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ASSERT(IoStack->Parameters.DeviceIoControl.InputBufferLength >= sizeof(STORAGE_PROPERTY_QUERY));
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ASSERT(Irp->AssociatedIrp.SystemBuffer);
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//
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// get property query
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//
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PropertyQuery = (PSTORAGE_PROPERTY_QUERY)Irp->AssociatedIrp.SystemBuffer;
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//
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// check property type
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//
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if (PropertyQuery->PropertyId != StorageDeviceProperty &&
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PropertyQuery->PropertyId != StorageAdapterProperty)
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{
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//
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// only device property / adapter property are supported
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//
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return STATUS_INVALID_PARAMETER_1;
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}
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//
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// check query type
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//
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if (PropertyQuery->QueryType == PropertyExistsQuery)
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{
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//
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// device property / adapter property is supported
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//
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return STATUS_SUCCESS;
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}
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if (PropertyQuery->QueryType != PropertyStandardQuery)
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{
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//
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// only standard query and exists query are supported
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//
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return STATUS_INVALID_PARAMETER_2;
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}
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//
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// check if it is a device property
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//
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if (PropertyQuery->PropertyId == StorageDeviceProperty)
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{
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DPRINT("USBSTOR_HandleQueryProperty StorageDeviceProperty OutputBufferLength %lu\n", IoStack->Parameters.DeviceIoControl.OutputBufferLength);
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//
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// get device extension
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//
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PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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ASSERT(PDODeviceExtension);
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ASSERT(PDODeviceExtension->Common.IsFDO == FALSE);
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//
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// get device extension
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//
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FDODeviceExtension = (PFDO_DEVICE_EXTENSION)PDODeviceExtension->LowerDeviceObject->DeviceExtension;
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ASSERT(FDODeviceExtension);
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ASSERT(FDODeviceExtension->Common.IsFDO);
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//
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// get inquiry data
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//
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InquiryData = (PUFI_INQUIRY_RESPONSE)PDODeviceExtension->InquiryData;
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ASSERT(InquiryData);
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//
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// compute extra parameters length
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//
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FieldLengthVendor = USBSTOR_GetFieldLength(InquiryData->Vendor, 8);
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FieldLengthProduct = USBSTOR_GetFieldLength(InquiryData->Product, 16);
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FieldLengthRevision = USBSTOR_GetFieldLength(InquiryData->Revision, 4);
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//
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// is there a serial number
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//
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if (FDODeviceExtension->SerialNumber)
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{
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//
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// get length
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//
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FieldLengthSerialNumber = wcslen(FDODeviceExtension->SerialNumber->bString);
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}
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else
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{
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//
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// no serial number
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//
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FieldLengthSerialNumber = 0;
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}
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//
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// total length required is sizeof(STORAGE_DEVICE_DESCRIPTOR) + FieldLength + 4 extra null bytes - 1
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// -1 due STORAGE_DEVICE_DESCRIPTOR contains one byte length of parameter data
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//
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TotalLength = sizeof(STORAGE_DEVICE_DESCRIPTOR) + FieldLengthVendor + FieldLengthProduct + FieldLengthRevision + FieldLengthSerialNumber + 3;
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//
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// check if output buffer is long enough
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//
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if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < TotalLength)
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{
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//
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// buffer too small
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//
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DescriptorHeader = (PSTORAGE_DESCRIPTOR_HEADER)Irp->AssociatedIrp.SystemBuffer;
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ASSERT(IoStack->Parameters.DeviceIoControl.OutputBufferLength >= sizeof(STORAGE_DESCRIPTOR_HEADER));
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//
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// return required size
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//
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DescriptorHeader->Version = TotalLength;
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DescriptorHeader->Size = TotalLength;
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Irp->IoStatus.Information = sizeof(STORAGE_DESCRIPTOR_HEADER);
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return STATUS_SUCCESS;
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}
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//
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// get device descriptor
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//
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DeviceDescriptor = (PSTORAGE_DEVICE_DESCRIPTOR)Irp->AssociatedIrp.SystemBuffer;
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//
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// initialize device descriptor
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//
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DeviceDescriptor->Version = TotalLength;
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DeviceDescriptor->Size = TotalLength;
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DeviceDescriptor->DeviceType = InquiryData->DeviceType;
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DeviceDescriptor->DeviceTypeModifier = (InquiryData->RMB & 0x7F);
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DeviceDescriptor->RemovableMedia = (InquiryData->RMB & 0x80) ? TRUE : FALSE;
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DeviceDescriptor->CommandQueueing = FALSE;
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DeviceDescriptor->BusType = BusTypeUsb;
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DeviceDescriptor->VendorIdOffset = sizeof(STORAGE_DEVICE_DESCRIPTOR) - sizeof(UCHAR);
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DeviceDescriptor->ProductIdOffset = DeviceDescriptor->VendorIdOffset + FieldLengthVendor + 1;
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DeviceDescriptor->ProductRevisionOffset = DeviceDescriptor->ProductIdOffset + FieldLengthProduct + 1;
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DeviceDescriptor->SerialNumberOffset = (FieldLengthSerialNumber > 0 ? DeviceDescriptor->ProductRevisionOffset + FieldLengthRevision + 1 : 0);
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DeviceDescriptor->RawPropertiesLength = FieldLengthVendor + FieldLengthProduct + FieldLengthRevision + FieldLengthSerialNumber + 3 + (FieldLengthSerialNumber > 0 ? + 1 : 0);
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//
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// copy descriptors
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//
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Buffer = (PUCHAR)((ULONG_PTR)DeviceDescriptor + sizeof(STORAGE_DEVICE_DESCRIPTOR) - sizeof(UCHAR));
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//
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// copy vendor
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//
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RtlCopyMemory(Buffer, InquiryData->Vendor, FieldLengthVendor);
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Buffer[FieldLengthVendor] = '\0';
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Buffer += FieldLengthVendor + 1;
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//
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// copy product
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//
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RtlCopyMemory(Buffer, InquiryData->Product, FieldLengthProduct);
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Buffer[FieldLengthProduct] = '\0';
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Buffer += FieldLengthProduct + 1;
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//
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// copy revision
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//
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RtlCopyMemory(Buffer, InquiryData->Revision, FieldLengthRevision);
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Buffer[FieldLengthRevision] = '\0';
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Buffer += FieldLengthRevision + 1;
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//
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// copy serial number
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//
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if (FieldLengthSerialNumber)
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{
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//
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// init unicode string
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//
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RtlInitUnicodeString(&SerialNumber, FDODeviceExtension->SerialNumber->bString);
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//
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// init ansi string
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//
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AnsiString.Buffer = (PCHAR)Buffer;
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AnsiString.Length = 0;
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AnsiString.MaximumLength = FieldLengthSerialNumber * sizeof(WCHAR);
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//
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// convert to ansi code
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//
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Status = RtlUnicodeStringToAnsiString(&AnsiString, &SerialNumber, FALSE);
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ASSERT(Status == STATUS_SUCCESS);
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}
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DPRINT("Vendor %s\n", (LPCSTR)((ULONG_PTR)DeviceDescriptor + DeviceDescriptor->VendorIdOffset));
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DPRINT("Product %s\n", (LPCSTR)((ULONG_PTR)DeviceDescriptor + DeviceDescriptor->ProductIdOffset));
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DPRINT("Revision %s\n", (LPCSTR)((ULONG_PTR)DeviceDescriptor + DeviceDescriptor->ProductRevisionOffset));
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DPRINT("Serial %s\n", (LPCSTR)((ULONG_PTR)DeviceDescriptor + DeviceDescriptor->SerialNumberOffset));
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//
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// done
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//
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Irp->IoStatus.Information = TotalLength;
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return STATUS_SUCCESS;
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}
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else
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{
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//
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// adapter property query request
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//
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DPRINT("USBSTOR_HandleQueryProperty StorageAdapterProperty OutputBufferLength %lu\n", IoStack->Parameters.DeviceIoControl.OutputBufferLength);
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if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < sizeof(STORAGE_ADAPTER_DESCRIPTOR))
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{
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//
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// buffer too small
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//
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DescriptorHeader = (PSTORAGE_DESCRIPTOR_HEADER)Irp->AssociatedIrp.SystemBuffer;
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ASSERT(IoStack->Parameters.DeviceIoControl.OutputBufferLength >= sizeof(STORAGE_DESCRIPTOR_HEADER));
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//
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// return required size
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//
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DescriptorHeader->Version = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
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DescriptorHeader->Size = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
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Irp->IoStatus.Information = sizeof(STORAGE_DESCRIPTOR_HEADER);
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return STATUS_SUCCESS;
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}
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//
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// get adapter descriptor, information is returned in the same buffer
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//
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AdapterDescriptor = (PSTORAGE_ADAPTER_DESCRIPTOR)Irp->AssociatedIrp.SystemBuffer;
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//
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// fill out descriptor
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//
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AdapterDescriptor->Version = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
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AdapterDescriptor->Size = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
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AdapterDescriptor->MaximumTransferLength = MAXULONG; //FIXME compute some sane value
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AdapterDescriptor->MaximumPhysicalPages = 25; //FIXME compute some sane value
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AdapterDescriptor->AlignmentMask = 0;
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AdapterDescriptor->AdapterUsesPio = FALSE;
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AdapterDescriptor->AdapterScansDown = FALSE;
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AdapterDescriptor->CommandQueueing = FALSE;
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AdapterDescriptor->AcceleratedTransfer = FALSE;
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AdapterDescriptor->BusType = BusTypeUsb;
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AdapterDescriptor->BusMajorVersion = 0x2; //FIXME verify
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AdapterDescriptor->BusMinorVersion = 0x00; //FIXME
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//
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// store returned length
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//
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Irp->IoStatus.Information = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
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//
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// done
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//
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return STATUS_SUCCESS;
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}
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}
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NTSTATUS
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USBSTOR_HandleDeviceControl(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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PIO_STACK_LOCATION IoStack;
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NTSTATUS Status;
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PPDO_DEVICE_EXTENSION PDODeviceExtension;
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PSCSI_ADAPTER_BUS_INFO BusInfo;
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PSCSI_INQUIRY_DATA InquiryData;
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PINQUIRYDATA ScsiInquiryData;
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PUFI_INQUIRY_RESPONSE UFIInquiryResponse;
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//
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// get current stack location
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//
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_STORAGE_QUERY_PROPERTY)
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{
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//
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// query property
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//
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Status = USBSTOR_HandleQueryProperty(DeviceObject, Irp);
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}
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else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_SCSI_PASS_THROUGH)
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{
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//
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// query scsi pass through
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//
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DPRINT1("USBSTOR_HandleDeviceControl IOCTL_SCSI_PASS_THROUGH NOT implemented\n");
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Status = STATUS_NOT_SUPPORTED;
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}
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else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_SCSI_PASS_THROUGH_DIRECT)
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{
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//
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// query scsi pass through direct
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//
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DPRINT1("USBSTOR_HandleDeviceControl IOCTL_SCSI_PASS_THROUGH_DIRECT NOT implemented\n");
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Status = STATUS_NOT_SUPPORTED;
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}
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else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_STORAGE_GET_MEDIA_SERIAL_NUMBER)
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{
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//
|
|
// query serial number
|
|
//
|
|
DPRINT1("USBSTOR_HandleDeviceControl IOCTL_STORAGE_GET_MEDIA_SERIAL_NUMBER NOT implemented\n");
|
|
Status = STATUS_NOT_SUPPORTED;
|
|
}
|
|
else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_SCSI_GET_CAPABILITIES)
|
|
{
|
|
PIO_SCSI_CAPABILITIES Capabilities;
|
|
|
|
/* Legacy port capability query */
|
|
if (IoStack->Parameters.DeviceIoControl.OutputBufferLength == sizeof(PVOID))
|
|
{
|
|
Capabilities = *((PVOID *)Irp->AssociatedIrp.SystemBuffer) = ExAllocatePoolWithTag(NonPagedPool,
|
|
sizeof(IO_SCSI_CAPABILITIES),
|
|
USB_STOR_TAG);
|
|
Irp->IoStatus.Information = sizeof(PVOID);
|
|
}
|
|
else
|
|
{
|
|
Capabilities = Irp->AssociatedIrp.SystemBuffer;
|
|
Irp->IoStatus.Information = sizeof(IO_SCSI_CAPABILITIES);
|
|
}
|
|
|
|
if (Capabilities)
|
|
{
|
|
Capabilities->MaximumTransferLength = MAXULONG;
|
|
Capabilities->MaximumPhysicalPages = 25;
|
|
Capabilities->SupportedAsynchronousEvents = 0;
|
|
Capabilities->AlignmentMask = 0;
|
|
Capabilities->TaggedQueuing = FALSE;
|
|
Capabilities->AdapterScansDown = FALSE;
|
|
Capabilities->AdapterUsesPio = FALSE;
|
|
Status = STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
Status = STATUS_INSUFFICIENT_RESOURCES;
|
|
}
|
|
}
|
|
else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_SCSI_GET_INQUIRY_DATA)
|
|
{
|
|
//
|
|
// get device extension
|
|
//
|
|
PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
|
|
ASSERT(PDODeviceExtension);
|
|
ASSERT(PDODeviceExtension->Common.IsFDO == FALSE);
|
|
|
|
//
|
|
// get parameters
|
|
//
|
|
BusInfo = Irp->AssociatedIrp.SystemBuffer;
|
|
InquiryData = (PSCSI_INQUIRY_DATA)(BusInfo + 1);
|
|
ScsiInquiryData = (PINQUIRYDATA)InquiryData->InquiryData;
|
|
|
|
|
|
//
|
|
// get inquiry data
|
|
//
|
|
UFIInquiryResponse = (PUFI_INQUIRY_RESPONSE)PDODeviceExtension->InquiryData;
|
|
ASSERT(UFIInquiryResponse);
|
|
|
|
|
|
BusInfo->NumberOfBuses = 1;
|
|
BusInfo->BusData[0].NumberOfLogicalUnits = 1; //FIXME
|
|
BusInfo->BusData[0].InitiatorBusId = 0;
|
|
BusInfo->BusData[0].InquiryDataOffset = sizeof(SCSI_ADAPTER_BUS_INFO);
|
|
|
|
InquiryData->PathId = 0;
|
|
InquiryData->TargetId = 0;
|
|
InquiryData->Lun = PDODeviceExtension->LUN & MAX_LUN;
|
|
InquiryData->DeviceClaimed = PDODeviceExtension->Claimed;
|
|
InquiryData->InquiryDataLength = sizeof(INQUIRYDATA);
|
|
InquiryData->NextInquiryDataOffset = 0;
|
|
|
|
RtlZeroMemory(ScsiInquiryData, sizeof(INQUIRYDATA));
|
|
ScsiInquiryData->DeviceType = UFIInquiryResponse->DeviceType;
|
|
ScsiInquiryData->DeviceTypeQualifier = (UFIInquiryResponse->RMB & 0x7F);
|
|
|
|
/* Hack for IoReadPartitionTable call in disk.sys */
|
|
ScsiInquiryData->RemovableMedia = ((ScsiInquiryData->DeviceType == DIRECT_ACCESS_DEVICE) ? ((UFIInquiryResponse->RMB & 0x80) ? 1 : 0) : 0);
|
|
|
|
ScsiInquiryData->Versions = 0x04;
|
|
ScsiInquiryData->ResponseDataFormat = 0x02;
|
|
ScsiInquiryData->AdditionalLength = 31;
|
|
ScsiInquiryData->SoftReset = 0;
|
|
ScsiInquiryData->CommandQueue = 0;
|
|
ScsiInquiryData->LinkedCommands = 0;
|
|
ScsiInquiryData->RelativeAddressing = 0;
|
|
|
|
RtlCopyMemory(&ScsiInquiryData->VendorId, UFIInquiryResponse->Vendor, USBSTOR_GetFieldLength(UFIInquiryResponse->Vendor, 8));
|
|
RtlCopyMemory(&ScsiInquiryData->ProductId, UFIInquiryResponse->Product, USBSTOR_GetFieldLength(UFIInquiryResponse->Product, 16));
|
|
|
|
Irp->IoStatus.Information = sizeof(SCSI_ADAPTER_BUS_INFO) + sizeof(SCSI_INQUIRY_DATA) + sizeof(INQUIRYDATA) - 1;
|
|
Status = STATUS_SUCCESS;
|
|
}
|
|
else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_SCSI_GET_ADDRESS)
|
|
{
|
|
PSCSI_ADDRESS Address = Irp->AssociatedIrp.SystemBuffer;
|
|
|
|
Address->Length = sizeof(SCSI_ADDRESS);
|
|
Address->PortNumber = 0;
|
|
Address->PathId = 0;
|
|
Address->TargetId = 0;
|
|
Address->Lun = (((PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->LUN & MAX_LUN);
|
|
Irp->IoStatus.Information = sizeof(SCSI_ADDRESS);
|
|
|
|
Status = STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// unsupported
|
|
//
|
|
DPRINT("USBSTOR_HandleDeviceControl IoControl %x not supported\n", IoStack->Parameters.DeviceIoControl.IoControlCode);
|
|
Status = STATUS_NOT_SUPPORTED;
|
|
}
|
|
|
|
return Status;
|
|
}
|