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[FORMATTING][USBSTOR] Remove Captain Obvious and line-wasting comments.

Browse source 
Now the driver conforms with our current Coding Style.
No functional changes
This commit is contained in:
Victor Perevertkin 2019-03-24 23:01:43 +03:00
parent 33604e0147
commit d17d15ab6c
9 changed files with 271 additions and 2439 deletions
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234
drivers/usb/usbstor/descriptor.c
View file

@ -1,12 +1,10 @@
/*
* PROJECT: ReactOS Universal Serial Bus Bulk Storage Driver
* LICENSE: GPL - See COPYING in the top level directory
* FILE: drivers/usb/usbstor/descriptor.c
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: USB block storage device driver.
* PROGRAMMERS:
* James Tabor
* Michael Martin (michael.martin@reactos.org)
* Johannes Anderwald (johannes.anderwald@reactos.org)
* COPYRIGHT: 2005-2006 James Tabor
* 2011-2012 Michael Martin (michael.martin@reactos.org)
* 2011-2013 Johannes Anderwald (johannes.anderwald@reactos.org)
*/
#include "usbstor.h"
@ -14,6 +12,7 @@
#define NDEBUG
#include <debug.h>
NTSTATUS
NTAPI
USBSTOR_GetDescriptor(
@ -28,41 +27,27 @@ USBSTOR_GetDescriptor(
NTSTATUS Status;
PVOID Descriptor;
//
// sanity checks
//
ASSERT(DeviceObject);
ASSERT(OutDescriptor);
ASSERT(DescriptorLength);
//
// first allocate descriptor buffer
//
Descriptor = AllocateItem(NonPagedPool, DescriptorLength);
if (!Descriptor)
{
//
// no memory
//
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// allocate urb
//
Urb = (PURB) AllocateItem(NonPagedPool, sizeof(URB));
if (!Urb)
{
//
// no memory
//
FreeItem(Descriptor);
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// initialize urb
//
UsbBuildGetDescriptorRequest(Urb,
sizeof(Urb->UrbControlDescriptorRequest),
DescriptorType,
@ -73,31 +58,19 @@ USBSTOR_GetDescriptor(
DescriptorLength,
NULL);
//
// submit urb
//
Status = USBSTOR_SyncUrbRequest(DeviceObject, Urb);
//
// free urb
//
FreeItem(Urb);
if (NT_SUCCESS(Status))
{
//
// store result
//
*OutDescriptor = Descriptor;
}
//
// done
//
return Status;
}
NTSTATUS
USBSTOR_GetDescriptors(
IN PDEVICE_OBJECT DeviceObject)
@ -106,89 +79,54 @@ USBSTOR_GetDescriptors(
PFDO_DEVICE_EXTENSION DeviceExtension;
USHORT DescriptorLength;
//
// get device extension
//
DeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// first get device descriptor
//
Status = USBSTOR_GetDescriptor(DeviceExtension->LowerDeviceObject, USB_DEVICE_DESCRIPTOR_TYPE, sizeof(USB_DEVICE_DESCRIPTOR), 0, 0, (PVOID*)&DeviceExtension->DeviceDescriptor);
if (!NT_SUCCESS(Status))
{
//
// failed to get device descriptor
//
DeviceExtension->DeviceDescriptor = NULL;
return Status;
}
//
// now get basic configuration descriptor
//
Status = USBSTOR_GetDescriptor(DeviceExtension->LowerDeviceObject, USB_CONFIGURATION_DESCRIPTOR_TYPE, sizeof(USB_CONFIGURATION_DESCRIPTOR), 0, 0, (PVOID*)&DeviceExtension->ConfigurationDescriptor);
if (!NT_SUCCESS(Status))
{
//
// failed to get configuration descriptor
//
FreeItem(DeviceExtension->DeviceDescriptor);
DeviceExtension->DeviceDescriptor = NULL;
return Status;
}
//
// backup length
//
DescriptorLength = DeviceExtension->ConfigurationDescriptor->wTotalLength;
//
// release basic descriptor
//
FreeItem(DeviceExtension->ConfigurationDescriptor);
DeviceExtension->ConfigurationDescriptor = NULL;
//
// allocate full descriptor
//
Status = USBSTOR_GetDescriptor(DeviceExtension->LowerDeviceObject, USB_CONFIGURATION_DESCRIPTOR_TYPE, DescriptorLength, 0, 0, (PVOID*)&DeviceExtension->ConfigurationDescriptor);
if (!NT_SUCCESS(Status))
{
//
// failed to get configuration descriptor
//
FreeItem(DeviceExtension->DeviceDescriptor);
DeviceExtension->DeviceDescriptor = NULL;
return Status;
}
//
// check if there is a serial number provided
//
if (DeviceExtension->DeviceDescriptor->iSerialNumber)
{
//
// get serial number
//
Status = USBSTOR_GetDescriptor(DeviceExtension->LowerDeviceObject, USB_STRING_DESCRIPTOR_TYPE, 100 * sizeof(WCHAR), DeviceExtension->DeviceDescriptor->iSerialNumber, 0x0409, (PVOID*)&DeviceExtension->SerialNumber);
if (!NT_SUCCESS(Status))
{
//
// failed to get serial number descriptor, free device descriptor
//
FreeItem(DeviceExtension->DeviceDescriptor);
DeviceExtension->DeviceDescriptor = NULL;
//
// free configuration descriptor
//
FreeItem(DeviceExtension->ConfigurationDescriptor);
DeviceExtension->ConfigurationDescriptor = NULL;
//
// set serial number to zero
//
DeviceExtension->SerialNumber = NULL;
return Status;
}
@ -201,133 +139,80 @@ NTSTATUS
NTAPI
USBSTOR_ScanConfigurationDescriptor(
IN PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor,
OUT PUSB_INTERFACE_DESCRIPTOR * OutInterfaceDescriptor,
OUT PUSB_ENDPOINT_DESCRIPTOR * InEndpointDescriptor,
OUT PUSB_ENDPOINT_DESCRIPTOR * OutEndpointDescriptor)
OUT PUSB_INTERFACE_DESCRIPTOR *OutInterfaceDescriptor,
OUT PUSB_ENDPOINT_DESCRIPTOR *InEndpointDescriptor,
OUT PUSB_ENDPOINT_DESCRIPTOR *OutEndpointDescriptor)
{
PUSB_CONFIGURATION_DESCRIPTOR CurrentDescriptor;
PUSB_ENDPOINT_DESCRIPTOR EndpointDescriptor;
//
// sanity checks
//
ASSERT(ConfigurationDescriptor);
ASSERT(OutInterfaceDescriptor);
ASSERT(InEndpointDescriptor);
ASSERT(OutEndpointDescriptor);
//
// nullify pointers
//
*OutInterfaceDescriptor = NULL;
*InEndpointDescriptor = NULL;
*OutEndpointDescriptor = NULL;
//
// start scanning
//
CurrentDescriptor = ConfigurationDescriptor;
do
{
//
// check current descriptor type
//
if (CurrentDescriptor->bDescriptorType == USB_INTERFACE_DESCRIPTOR_TYPE)
{
//
// found interface descriptor
//
if (*OutInterfaceDescriptor)
{
//
// we only process the first interface descriptor as ms does -> see documentation
//
break;
}
//
// store interface descriptor
//
*OutInterfaceDescriptor = (PUSB_INTERFACE_DESCRIPTOR)CurrentDescriptor;
}
else if (CurrentDescriptor->bDescriptorType == USB_ENDPOINT_DESCRIPTOR_TYPE)
{
//
// convert to endpoint descriptor
//
EndpointDescriptor = (PUSB_ENDPOINT_DESCRIPTOR)CurrentDescriptor;
//
// sanity check
//
ASSERT(*OutInterfaceDescriptor);
//
// get endpoint type
//
if ((EndpointDescriptor->bmAttributes & USB_ENDPOINT_TYPE_MASK) == USB_ENDPOINT_TYPE_BULK)
{
//
// bulk endpoint type
//
if (USB_ENDPOINT_DIRECTION_IN(EndpointDescriptor->bEndpointAddress))
{
//
// bulk in
//
*InEndpointDescriptor = EndpointDescriptor;
}
else
{
//
// bulk out
//
*OutEndpointDescriptor = EndpointDescriptor;
}
if (USB_ENDPOINT_DIRECTION_IN(EndpointDescriptor->bEndpointAddress))
{
*InEndpointDescriptor = EndpointDescriptor;
}
else
{
*OutEndpointDescriptor = EndpointDescriptor;
}
}
else if ((EndpointDescriptor->bmAttributes & USB_ENDPOINT_TYPE_MASK) == USB_ENDPOINT_TYPE_INTERRUPT)
{
//
// interrupt endpoint type
//
UNIMPLEMENTED;
UNIMPLEMENTED;
}
}
//
// move to next descriptor
//
CurrentDescriptor = (PUSB_CONFIGURATION_DESCRIPTOR)((ULONG_PTR)CurrentDescriptor + CurrentDescriptor->bLength);
//
// was it the last descriptor
//
if ((ULONG_PTR)CurrentDescriptor >= ((ULONG_PTR)ConfigurationDescriptor + ConfigurationDescriptor->wTotalLength))
{
//
// reached last descriptor
//
break;
}
}while(TRUE);
} while(TRUE);
//
// check if everything has been found
//
if (*OutInterfaceDescriptor == NULL || *InEndpointDescriptor == NULL || *OutEndpointDescriptor == NULL)
{
//
// failed to find interface / endpoint descriptor
//
DPRINT1("USBSTOR_ScanConfigurationDescriptor: Failed to find InterfaceDescriptor %p InEndpointDescriptor %p OutEndpointDescriptor %p\n", *OutInterfaceDescriptor, *InEndpointDescriptor, *OutEndpointDescriptor);
return STATUS_UNSUCCESSFUL;
}
//
// completed successfully
//
return STATUS_SUCCESS;
}
@ -356,128 +241,77 @@ USBSTOR_SelectConfigurationAndInterface(
PURB Urb;
PUSBD_INTERFACE_LIST_ENTRY InterfaceList;
//
// now scan configuration descriptors
//
Status = USBSTOR_ScanConfigurationDescriptor(DeviceExtension->ConfigurationDescriptor, &InterfaceDescriptor, &InEndpointDescriptor, &OutEndpointDescriptor);
if (!NT_SUCCESS(Status))
{
//
// failed to scan
//
return Status;
}
//
// now allocate one interface entry and terminating null entry
//
InterfaceList = (PUSBD_INTERFACE_LIST_ENTRY)AllocateItem(PagedPool, sizeof(USBD_INTERFACE_LIST_ENTRY) * 2);
if (!InterfaceList)
{
//
// no memory
//
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// initialize interface list entry
//
InterfaceList[0].InterfaceDescriptor = InterfaceDescriptor;
//
// now allocate the urb
//
Urb = USBD_CreateConfigurationRequestEx(DeviceExtension->ConfigurationDescriptor, InterfaceList);
if (!Urb)
{
//
// no memory
//
FreeItem(InterfaceList);
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// sanity check
//
ASSERT(InterfaceList[0].Interface);
//
// submit urb
//
Status = USBSTOR_SyncUrbRequest(DeviceExtension->LowerDeviceObject, Urb);
if (!NT_SUCCESS(Status))
{
//
// failed to set configuration
//
DPRINT1("USBSTOR_SelectConfiguration failed to set interface %x\n", Status);
FreeItem(InterfaceList);
ExFreePoolWithTag(Urb, 0);
return Status;
}
//
// backup interface information
//
DeviceExtension->InterfaceInformation = (PUSBD_INTERFACE_INFORMATION)AllocateItem(NonPagedPool, Urb->UrbSelectConfiguration.Interface.Length);
if (!DeviceExtension->InterfaceInformation)
{
//
// failed to allocate interface information structure
//
FreeItem(InterfaceList);
ExFreePoolWithTag(Urb, 0);
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// copy interface information
//
RtlCopyMemory(DeviceExtension->InterfaceInformation, &Urb->UrbSelectConfiguration.Interface, Urb->UrbSelectConfiguration.Interface.Length);
//
// store pipe handle
//
DeviceExtension->ConfigurationHandle = Urb->UrbSelectConfiguration.ConfigurationHandle;
//
// now prepare interface urb
//
UsbBuildSelectInterfaceRequest(Urb, GET_SELECT_INTERFACE_REQUEST_SIZE(InterfaceDescriptor->bNumEndpoints), DeviceExtension->ConfigurationHandle, InterfaceDescriptor->bInterfaceNumber, InterfaceDescriptor->bAlternateSetting);
//
// copy interface information structure back - as offset for SelectConfiguration / SelectInterface request do differ
//
RtlCopyMemory(&Urb->UrbSelectInterface.Interface, DeviceExtension->InterfaceInformation, DeviceExtension->InterfaceInformation->Length);
//
// now select the interface
//
Status = USBSTOR_SyncUrbRequest(DeviceExtension->LowerDeviceObject, Urb);
//
// did it succeed
//
if (NT_SUCCESS(Status))
{
//
// update configuration info
//
ASSERT(Urb->UrbSelectInterface.Interface.Length == DeviceExtension->InterfaceInformation->Length);
RtlCopyMemory(DeviceExtension->InterfaceInformation, &Urb->UrbSelectInterface.Interface, Urb->UrbSelectInterface.Interface.Length);
}
//
// free interface list & urb
//
FreeItem(InterfaceList);
ExFreePoolWithTag(Urb, 0);
//
// done
//
return Status;
}
@ -488,62 +322,36 @@ USBSTOR_GetPipeHandles(
ULONG Index;
BOOLEAN BulkInFound = FALSE, BulkOutFound = FALSE;
//
// no enumerate all pipes and extract bulk-in / bulk-out pipe handle
//
for(Index = 0; Index < DeviceExtension->InterfaceInformation->NumberOfPipes; Index++)
// enumerate all pipes and extract bulk-in / bulk-out pipe handle
for (Index = 0; Index < DeviceExtension->InterfaceInformation->NumberOfPipes; Index++)
{
//
// check pipe type
//
if (DeviceExtension->InterfaceInformation->Pipes[Index].PipeType == UsbdPipeTypeBulk)
{
//
// check direction
//
if (USB_ENDPOINT_DIRECTION_IN(DeviceExtension->InterfaceInformation->Pipes[Index].EndpointAddress))
{
//
// bulk in pipe
//
DeviceExtension->BulkInPipeIndex = Index;
//
// there should not be another bulk in pipe
//
ASSERT(BulkInFound == FALSE);
BulkInFound = TRUE;
}
else
{
//
// bulk out pipe
//
DeviceExtension->BulkOutPipeIndex = Index;
//
// there should not be another bulk out pipe
//
ASSERT(BulkOutFound == FALSE);
BulkOutFound = TRUE;
}
}
}
//
// check if both bulk pipes have been found
//
if (!BulkInFound || !BulkOutFound)
{
//
// WTF? usb port driver does not give us bulk pipe access
//
DPRINT1("USBSTOR_GetPipeHandles> BulkInFound %c BulkOutFound %c missing!!!\n", BulkInFound, BulkOutFound);
return STATUS_DEVICE_CONFIGURATION_ERROR;
}
//
// device is configured
//
return STATUS_SUCCESS;
}

441
drivers/usb/usbstor/disk.c
View file

@ -1,12 +1,10 @@
/*
* PROJECT: ReactOS Universal Serial Bus Bulk Storage Driver
* LICENSE: GPL - See COPYING in the top level directory
* FILE: drivers/usb/usbstor/disk.c
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: USB block storage device driver.
* PROGRAMMERS:
* James Tabor
* Michael Martin (michael.martin@reactos.org)
* Johannes Anderwald (johannes.anderwald@reactos.org)
* COPYRIGHT: 2005-2006 James Tabor
* 2011-2012 Michael Martin (michael.martin@reactos.org)
* 2011-2013 Johannes Anderwald (johannes.anderwald@reactos.org)
*/
#include "usbstor.h"
@ -14,6 +12,7 @@
#define NDEBUG
#include <debug.h>
NTSTATUS
USBSTOR_HandleInternalDeviceControl(
IN PDEVICE_OBJECT DeviceObject,
@ -24,29 +23,10 @@ USBSTOR_HandleInternalDeviceControl(
PPDO_DEVICE_EXTENSION PDODeviceExtension;
NTSTATUS Status;
//
// get current stack location
//
IoStack = IoGetCurrentIrpStackLocation(Irp);
//
// get request block
//
Request = (PSCSI_REQUEST_BLOCK)IoStack->Parameters.Others.Argument1;
//
// sanity check
//
ASSERT(Request);
//
// get device extension
//
PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// sanity check
//
ASSERT(PDODeviceExtension->Common.IsFDO == FALSE);
switch(Request->Function)
@ -55,69 +35,42 @@ USBSTOR_HandleInternalDeviceControl(
{
DPRINT("SRB_FUNCTION_EXECUTE_SCSI\n");
//
// check if request is valid
//
if (Request->SrbFlags & (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT))
{
//
// data is transferred with this irp
//
if ((Request->SrbFlags & (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT)) == (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT) ||
Request->DataTransferLength == 0 ||
Irp->MdlAddress == NULL)
{
//
// invalid parameter
//
Status = STATUS_INVALID_PARAMETER;
break;
}
}
else
{
//
// sense buffer request
//
if (Request->DataTransferLength ||
Request->DataBuffer ||
Irp->MdlAddress)
if (Request->DataTransferLength || Request->DataBuffer || Irp->MdlAddress)
{
//
// invalid parameter
//
Status = STATUS_INVALID_PARAMETER;
break;
}
}
//
// add the request
//
if (!USBSTOR_QueueAddIrp(PDODeviceExtension->LowerDeviceObject, Irp))
{
//
// irp was not added to the queue
//
IoStartPacket(PDODeviceExtension->LowerDeviceObject, Irp, &Request->QueueSortKey, USBSTOR_CancelIo);
}
//
// irp pending
//
return STATUS_PENDING;
}
case SRB_FUNCTION_RELEASE_DEVICE:
{
DPRINT1("SRB_FUNCTION_RELEASE_DEVICE\n");
//
// sanity check
//
ASSERT(PDODeviceExtension->Claimed == TRUE);
//
// release claim
//
PDODeviceExtension->Claimed = FALSE;
Status = STATUS_SUCCESS;
break;
@ -125,32 +78,22 @@ USBSTOR_HandleInternalDeviceControl(
case SRB_FUNCTION_CLAIM_DEVICE:
{
DPRINT1("SRB_FUNCTION_CLAIM_DEVICE\n");
//
// check if the device has been claimed
//
if (PDODeviceExtension->Claimed)
{
//
// device has already been claimed
//
Status = STATUS_DEVICE_BUSY;
Request->SrbStatus = SRB_STATUS_BUSY;
break;
}
//
// claim device
//
PDODeviceExtension->Claimed = TRUE;
//
// output device object
//
Request->DataBuffer = DeviceObject;
//
// completed successfully
//
Status = STATUS_SUCCESS;
break;
}
@ -158,14 +101,8 @@ USBSTOR_HandleInternalDeviceControl(
{
DPRINT1("SRB_FUNCTION_RELEASE_QUEUE\n");
//
// release queue
//
USBSTOR_QueueRelease(PDODeviceExtension->LowerDeviceObject);
//
// set status success
//
Request->SrbStatus = SRB_STATUS_SUCCESS;
Status = STATUS_SUCCESS;
break;
@ -184,9 +121,7 @@ USBSTOR_HandleInternalDeviceControl(
//
USBSTOR_QueueWaitForPendingRequests(PDODeviceExtension->LowerDeviceObject);
#endif
//
// set status success
//
Request->SrbStatus = SRB_STATUS_SUCCESS;
Status = STATUS_SUCCESS;
break;
@ -201,9 +136,6 @@ USBSTOR_HandleInternalDeviceControl(
}
}
//
// complete request
//
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
@ -217,23 +149,17 @@ USBSTOR_GetFieldLength(
ULONG Index;
ULONG LastCharacterPosition = 0;
//
// scan the field and return last position which contains a valid character
//
for(Index = 0; Index < MaxLength; Index++)
{
if (Name[Index] != ' ')
{
//
// trim white spaces from field
//
LastCharacterPosition = Index;
}
}
//
// convert from zero based index to length
//
return LastCharacterPosition + 1;
}
@ -258,125 +184,75 @@ USBSTOR_HandleQueryProperty(
DPRINT("USBSTOR_HandleQueryProperty\n");
//
// get current stack location
//
IoStack = IoGetCurrentIrpStackLocation(Irp);
//
// sanity check
//
ASSERT(IoStack->Parameters.DeviceIoControl.InputBufferLength >= sizeof(STORAGE_PROPERTY_QUERY));
ASSERT(Irp->AssociatedIrp.SystemBuffer);
//
// get property query
//
PropertyQuery = (PSTORAGE_PROPERTY_QUERY)Irp->AssociatedIrp.SystemBuffer;
//
// check property type
//
if (PropertyQuery->PropertyId != StorageDeviceProperty &&
PropertyQuery->PropertyId != StorageAdapterProperty)
{
//
// only device property / adapter property are supported
//
return STATUS_INVALID_PARAMETER_1;
}
//
// check query type
//
if (PropertyQuery->QueryType == PropertyExistsQuery)
{
//
// device property / adapter property is supported
//
return STATUS_SUCCESS;
}
if (PropertyQuery->QueryType != PropertyStandardQuery)
{
//
// only standard query and exists query are supported
//
return STATUS_INVALID_PARAMETER_2;
}
//
// check if it is a device property
//
if (PropertyQuery->PropertyId == StorageDeviceProperty)
{
DPRINT("USBSTOR_HandleQueryProperty StorageDeviceProperty OutputBufferLength %lu\n", IoStack->Parameters.DeviceIoControl.OutputBufferLength);
//
// get device extension
//
PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
ASSERT(PDODeviceExtension);
ASSERT(PDODeviceExtension->Common.IsFDO == FALSE);
//
// get device extension
//
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)PDODeviceExtension->LowerDeviceObject->DeviceExtension;
ASSERT(FDODeviceExtension);
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// get inquiry data
//
InquiryData = (PUFI_INQUIRY_RESPONSE)PDODeviceExtension->InquiryData;
ASSERT(InquiryData);
//
// compute extra parameters length
//
FieldLengthVendor = USBSTOR_GetFieldLength(InquiryData->Vendor, 8);
FieldLengthProduct = USBSTOR_GetFieldLength(InquiryData->Product, 16);
FieldLengthRevision = USBSTOR_GetFieldLength(InquiryData->Revision, 4);
//
// is there a serial number
//
if (FDODeviceExtension->SerialNumber)
{
//
// get length
//
FieldLengthSerialNumber = wcslen(FDODeviceExtension->SerialNumber->bString);
}
else
{
//
// no serial number
//
FieldLengthSerialNumber = 0;
}
//
// total length required is sizeof(STORAGE_DEVICE_DESCRIPTOR) + FieldLength + 4 extra null bytes - 1
// -1 due STORAGE_DEVICE_DESCRIPTOR contains one byte length of parameter data
//
TotalLength = sizeof(STORAGE_DEVICE_DESCRIPTOR) + FieldLengthVendor + FieldLengthProduct + FieldLengthRevision + FieldLengthSerialNumber + 3;
//
// check if output buffer is long enough
//
if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < TotalLength)
{
//
// buffer too small
//
DescriptorHeader = (PSTORAGE_DESCRIPTOR_HEADER)Irp->AssociatedIrp.SystemBuffer;
ASSERT(IoStack->Parameters.DeviceIoControl.OutputBufferLength >= sizeof(STORAGE_DESCRIPTOR_HEADER));
//
// return required size
//
DescriptorHeader->Version = TotalLength;
DescriptorHeader->Size = TotalLength;
@ -384,14 +260,9 @@ USBSTOR_HandleQueryProperty(
return STATUS_SUCCESS;
}
//
// get device descriptor
//
// initialize the device descriptor
DeviceDescriptor = (PSTORAGE_DEVICE_DESCRIPTOR)Irp->AssociatedIrp.SystemBuffer;
//
// initialize device descriptor
//
DeviceDescriptor->Version = TotalLength;
DeviceDescriptor->Size = TotalLength;
DeviceDescriptor->DeviceType = InquiryData->DeviceType;
@ -405,86 +276,54 @@ USBSTOR_HandleQueryProperty(
DeviceDescriptor->SerialNumberOffset = (FieldLengthSerialNumber > 0 ? DeviceDescriptor->ProductRevisionOffset + FieldLengthRevision + 1 : 0);
DeviceDescriptor->RawPropertiesLength = FieldLengthVendor + FieldLengthProduct + FieldLengthRevision + FieldLengthSerialNumber + 3 + (FieldLengthSerialNumber > 0 ? + 1 : 0);
//
// copy descriptors
//
Buffer = (PUCHAR)((ULONG_PTR)DeviceDescriptor + sizeof(STORAGE_DEVICE_DESCRIPTOR) - sizeof(UCHAR));
//
// copy vendor
//
RtlCopyMemory(Buffer, InquiryData->Vendor, FieldLengthVendor);
Buffer[FieldLengthVendor] = '\0';
Buffer += FieldLengthVendor + 1;
//
// copy product
//
RtlCopyMemory(Buffer, InquiryData->Product, FieldLengthProduct);
Buffer[FieldLengthProduct] = '\0';
Buffer += FieldLengthProduct + 1;
//
// copy revision
//
RtlCopyMemory(Buffer, InquiryData->Revision, FieldLengthRevision);
Buffer[FieldLengthRevision] = '\0';
Buffer += FieldLengthRevision + 1;
//
// copy serial number
//
if (FieldLengthSerialNumber)
{
//
// init unicode string
//
RtlInitUnicodeString(&SerialNumber, FDODeviceExtension->SerialNumber->bString);
//
// init ansi string
//
AnsiString.Buffer = (PCHAR)Buffer;
AnsiString.Length = 0;
AnsiString.MaximumLength = FieldLengthSerialNumber * sizeof(WCHAR);
//
// convert to ansi code
//
Status = RtlUnicodeStringToAnsiString(&AnsiString, &SerialNumber, FALSE);
ASSERT(Status == STATUS_SUCCESS);
}
DPRINT("Vendor %s\n", (LPCSTR)((ULONG_PTR)DeviceDescriptor + DeviceDescriptor->VendorIdOffset));
DPRINT("Product %s\n", (LPCSTR)((ULONG_PTR)DeviceDescriptor + DeviceDescriptor->ProductIdOffset));
DPRINT("Revision %s\n", (LPCSTR)((ULONG_PTR)DeviceDescriptor + DeviceDescriptor->ProductRevisionOffset));
DPRINT("Serial %s\n", (LPCSTR)((ULONG_PTR)DeviceDescriptor + DeviceDescriptor->SerialNumberOffset));
//
// done
//
Irp->IoStatus.Information = TotalLength;
return STATUS_SUCCESS;
}
else
{
//
// adapter property query request
//
DPRINT("USBSTOR_HandleQueryProperty StorageAdapterProperty OutputBufferLength %lu\n", IoStack->Parameters.DeviceIoControl.OutputBufferLength);
if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < sizeof(STORAGE_ADAPTER_DESCRIPTOR))
{
//
// buffer too small
//
DescriptorHeader = (PSTORAGE_DESCRIPTOR_HEADER)Irp->AssociatedIrp.SystemBuffer;
ASSERT(IoStack->Parameters.DeviceIoControl.OutputBufferLength >= sizeof(STORAGE_DESCRIPTOR_HEADER));
//
// return required size
//
DescriptorHeader->Version = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
DescriptorHeader->Size = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
@ -492,14 +331,10 @@ USBSTOR_HandleQueryProperty(
return STATUS_SUCCESS;
}
//
// get adapter descriptor, information is returned in the same buffer
//
AdapterDescriptor = (PSTORAGE_ADAPTER_DESCRIPTOR)Irp->AssociatedIrp.SystemBuffer;
//
// fill out descriptor
//
AdapterDescriptor->Version = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
AdapterDescriptor->Size = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
AdapterDescriptor->MaximumTransferLength = MAXULONG; //FIXME compute some sane value
@ -513,14 +348,9 @@ USBSTOR_HandleQueryProperty(
AdapterDescriptor->BusMajorVersion = 0x2; //FIXME verify
AdapterDescriptor->BusMinorVersion = 0x00; //FIXME
//
// store returned length
//
Irp->IoStatus.Information = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
//
// done
//
return STATUS_SUCCESS;
}
}
@ -538,153 +368,130 @@ USBSTOR_HandleDeviceControl(
PINQUIRYDATA ScsiInquiryData;
PUFI_INQUIRY_RESPONSE UFIInquiryResponse;
//
// get current stack location
//
IoStack = IoGetCurrentIrpStackLocation(Irp);
if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_STORAGE_QUERY_PROPERTY)
switch (IoStack->Parameters.DeviceIoControl.IoControlCode)
{
//
// query property
//
Status = USBSTOR_HandleQueryProperty(DeviceObject, Irp);
}
else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_SCSI_PASS_THROUGH)
{
//
// query scsi pass through
//
DPRINT1("USBSTOR_HandleDeviceControl IOCTL_SCSI_PASS_THROUGH NOT implemented\n");
Status = STATUS_NOT_SUPPORTED;
}
else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_SCSI_PASS_THROUGH_DIRECT)
{
//
// query scsi pass through direct
//
DPRINT1("USBSTOR_HandleDeviceControl IOCTL_SCSI_PASS_THROUGH_DIRECT NOT implemented\n");
Status = STATUS_NOT_SUPPORTED;
}
else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_STORAGE_GET_MEDIA_SERIAL_NUMBER)
{
//
// 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;
case IOCTL_STORAGE_QUERY_PROPERTY:
Status = USBSTOR_HandleQueryProperty(DeviceObject, Irp);
break;
case IOCTL_SCSI_PASS_THROUGH:
DPRINT1("USBSTOR_HandleDeviceControl IOCTL_SCSI_PASS_THROUGH NOT implemented\n");
Status = STATUS_NOT_SUPPORTED;
break;
case IOCTL_SCSI_PASS_THROUGH_DIRECT:
DPRINT1("USBSTOR_HandleDeviceControl IOCTL_SCSI_PASS_THROUGH_DIRECT NOT implemented\n");
Status = STATUS_NOT_SUPPORTED;
break;
case IOCTL_STORAGE_GET_MEDIA_SERIAL_NUMBER:
DPRINT1("USBSTOR_HandleDeviceControl IOCTL_STORAGE_GET_MEDIA_SERIAL_NUMBER NOT implemented\n");
Status = STATUS_NOT_SUPPORTED;
break;
case 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);
}
// 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)
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;
}
break;
}
case IOCTL_SCSI_GET_INQUIRY_DATA:
{
Capabilities->MaximumTransferLength = MAXULONG;
Capabilities->MaximumPhysicalPages = 25;
Capabilities->SupportedAsynchronousEvents = 0;
Capabilities->AlignmentMask = 0;
Capabilities->TaggedQueuing = FALSE;
Capabilities->AdapterScansDown = FALSE;
Capabilities->AdapterUsesPio = FALSE;
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;
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;
break;
}
else
case IOCTL_SCSI_GET_ADDRESS:
{
Status = STATUS_INSUFFICIENT_RESOURCES;
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;
break;
}
}
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;
default:
DPRINT("USBSTOR_HandleDeviceControl IoControl %x not supported\n", IoStack->Parameters.DeviceIoControl.IoControlCode);
Status = STATUS_NOT_SUPPORTED;
break;
}
return Status;

138
drivers/usb/usbstor/error.c
View file

@ -1,12 +1,10 @@
/*
* PROJECT: ReactOS Universal Serial Bus Bulk Storage Driver
* LICENSE: GPL - See COPYING in the top level directory
* FILE: drivers/usb/usbstor/error.c
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: USB block storage device driver.
* PROGRAMMERS:
* James Tabor
* Michael Martin (michael.martin@reactos.org)
* Johannes Anderwald (johannes.anderwald@reactos.org)
* COPYRIGHT: 2005-2006 James Tabor
* 2011-2012 Michael Martin (michael.martin@reactos.org)
* 2011-2013 Johannes Anderwald (johannes.anderwald@reactos.org)
*/
#include "usbstor.h"
@ -14,6 +12,7 @@
#define NDEBUG
#include <debug.h>
NTSTATUS
USBSTOR_GetEndpointStatus(
IN PDEVICE_OBJECT DeviceObject,
@ -23,44 +22,25 @@ USBSTOR_GetEndpointStatus(
PURB Urb;
NTSTATUS Status;
//
// allocate urb
//
DPRINT("Allocating URB\n");
Urb = (PURB)AllocateItem(NonPagedPool, sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST));
if (!Urb)
{
//
// out of memory
//
DPRINT1("OutofMemory!\n");
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// build status
//
UsbBuildGetStatusRequest(Urb, URB_FUNCTION_GET_STATUS_FROM_ENDPOINT, bEndpointAddress & 0x0F, Value, NULL, NULL);
UsbBuildGetStatusRequest(Urb, URB_FUNCTION_GET_STATUS_FROM_ENDPOINT, bEndpointAddress & 0x0F, Value, NULL, NULL);
//
// send the request
//
DPRINT1("Sending Request DeviceObject %p, Urb %p\n", DeviceObject, Urb);
Status = USBSTOR_SyncUrbRequest(DeviceObject, Urb);
//
// free urb
//
FreeItem(Urb);
//
// done
//
return Status;
}
NTSTATUS
USBSTOR_ResetPipeWithHandle(
IN PDEVICE_OBJECT DeviceObject,
@ -69,45 +49,26 @@ USBSTOR_ResetPipeWithHandle(
PURB Urb;
NTSTATUS Status;
//
// allocate urb
//
DPRINT("Allocating URB\n");
Urb = (PURB)AllocateItem(NonPagedPool, sizeof(struct _URB_PIPE_REQUEST));
if (!Urb)
{
//
// out of memory
//
DPRINT1("OutofMemory!\n");
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// initialize the urb
//
Urb->UrbPipeRequest.Hdr.Length = sizeof(struct _URB_PIPE_REQUEST);
Urb->UrbPipeRequest.Hdr.Function = URB_FUNCTION_SYNC_RESET_PIPE_AND_CLEAR_STALL;
Urb->UrbPipeRequest.PipeHandle = PipeHandle;
//
// send the request
//
DPRINT1("Sending Request DeviceObject %p, Urb %p\n", DeviceObject, Urb);
Status = USBSTOR_SyncUrbRequest(DeviceObject, Urb);
//
// free urb
//
FreeItem(Urb);
//
// done
//
return Status;
}
NTSTATUS
USBSTOR_HandleTransferError(
PDEVICE_OBJECT DeviceObject,
@ -118,107 +79,70 @@ USBSTOR_HandleTransferError(
PSCSI_REQUEST_BLOCK Request;
PCDB pCDB;
//
// sanity checks
//
ASSERT(Context);
ASSERT(Context->PDODeviceExtension);
ASSERT(Context->PDODeviceExtension->Self);
ASSERT(Context->Irp);
//
// first perform a mass storage reset step 1 in 5.3.4 USB Mass Storage Bulk Only Specification
//
Status = USBSTOR_ResetDevice(Context->FDODeviceExtension->LowerDeviceObject, Context->FDODeviceExtension);
if (NT_SUCCESS(Status))
{
//
// step 2 reset bulk in pipe section 5.3.4
//
Status = USBSTOR_ResetPipeWithHandle(Context->FDODeviceExtension->LowerDeviceObject, Context->FDODeviceExtension->InterfaceInformation->Pipes[Context->FDODeviceExtension->BulkInPipeIndex].PipeHandle);
if (NT_SUCCESS(Status))
{
//
// finally reset bulk out pipe
//
Status = USBSTOR_ResetPipeWithHandle(Context->FDODeviceExtension->LowerDeviceObject, Context->FDODeviceExtension->InterfaceInformation->Pipes[Context->FDODeviceExtension->BulkOutPipeIndex].PipeHandle);
}
}
//
// get next stack location
//
Stack = IoGetCurrentIrpStackLocation(Context->Irp);
//
// get request block
//
Request = (PSCSI_REQUEST_BLOCK)Stack->Parameters.Others.Argument1;
ASSERT(Request);
//
// obtain request type
//
pCDB = (PCDB)Request->Cdb;
ASSERT(pCDB);
if (Status != STATUS_SUCCESS || Context->RetryCount >= 1)
{
//
// Complete the master IRP
//
Context->Irp->IoStatus.Status = Status;
Context->Irp->IoStatus.Information = 0;
USBSTOR_QueueTerminateRequest(Context->PDODeviceExtension->LowerDeviceObject, Context->Irp);
IoCompleteRequest(Context->Irp, IO_NO_INCREMENT);
//
// Start the next request
//
USBSTOR_QueueNextRequest(Context->PDODeviceExtension->LowerDeviceObject);
//
// srb handling finished
//
Context->FDODeviceExtension->SrbErrorHandlingActive = FALSE;
//
// clear timer srb
//
Context->FDODeviceExtension->LastTimerActiveSrb = NULL;
}
else
{
DPRINT1("Retrying Count %lu %p\n", Context->RetryCount, Context->PDODeviceExtension->Self);
//
// re-schedule request
//
USBSTOR_HandleExecuteSCSI(Context->PDODeviceExtension->Self, Context->Irp, Context->RetryCount + 1);
//
// srb error handling finished
//
Context->FDODeviceExtension->SrbErrorHandlingActive = FALSE;
//
// srb error handling finished
//
Context->FDODeviceExtension->TimerWorkQueueEnabled = TRUE;
//
// clear timer srb
//
Context->FDODeviceExtension->LastTimerActiveSrb = NULL;
}
//
// cleanup irp context
//
FreeItem(Context->cbw);
FreeItem(Context);
DPRINT1("USBSTOR_HandleTransferError returning with Status %x\n", Status);
return Status;
}
@ -231,15 +155,11 @@ USBSTOR_ResetHandlerWorkItemRoutine(
NTSTATUS Status;
PERRORHANDLER_WORKITEM_DATA WorkItemData = (PERRORHANDLER_WORKITEM_DATA)Context;
//
// clear stall on BulkIn pipe
//
Status = USBSTOR_ResetPipeWithHandle(WorkItemData->Context->FDODeviceExtension->LowerDeviceObject, WorkItemData->Context->FDODeviceExtension->InterfaceInformation->Pipes[WorkItemData->Context->FDODeviceExtension->BulkInPipeIndex].PipeHandle);
DPRINT1("USBSTOR_ResetPipeWithHandle Status %x\n", Status);
//
// now resend the csw as the stall got cleared
//
USBSTOR_SendCSW(WorkItemData->Context, WorkItemData->Irp);
}
@ -252,22 +172,16 @@ ErrorHandlerWorkItemRoutine(
if (WorkItemData->Context->ErrorIndex == 2)
{
//
// reset device
//
USBSTOR_HandleTransferError(WorkItemData->DeviceObject, WorkItemData->Context);
}
else
{
//
// clear stall
//
USBSTOR_ResetHandlerWorkItemRoutine(WorkItemData);
}
//
// Free Work Item Data
//
ExFreePoolWithTag(WorkItemData, USB_STOR_TAG);
}
@ -280,56 +194,35 @@ USBSTOR_TimerWorkerRoutine(
NTSTATUS Status;
PERRORHANDLER_WORKITEM_DATA WorkItemData = (PERRORHANDLER_WORKITEM_DATA)Context;
//
// get device extension
//
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)WorkItemData->DeviceObject->DeviceExtension;
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// first perform a mass storage reset step 1 in 5.3.4 USB Mass Storage Bulk Only Specification
//
Status = USBSTOR_ResetDevice(FDODeviceExtension->LowerDeviceObject, FDODeviceExtension);
if (NT_SUCCESS(Status))
{
//
// step 2 reset bulk in pipe section 5.3.4
//
Status = USBSTOR_ResetPipeWithHandle(FDODeviceExtension->LowerDeviceObject, FDODeviceExtension->InterfaceInformation->Pipes[FDODeviceExtension->BulkInPipeIndex].PipeHandle);
if (NT_SUCCESS(Status))
{
//
// finally reset bulk out pipe
//
Status = USBSTOR_ResetPipeWithHandle(FDODeviceExtension->LowerDeviceObject, FDODeviceExtension->InterfaceInformation->Pipes[FDODeviceExtension->BulkOutPipeIndex].PipeHandle);
}
}
DPRINT1("Status %x\n", Status);
//
// clear timer srb
//
FDODeviceExtension->LastTimerActiveSrb = NULL;
//
// re-schedule request
//
//USBSTOR_HandleExecuteSCSI(WorkItemData->Context->PDODeviceExtension->Self, WorkItemData->Context->Irp, Context->RetryCount + 1);
//
// do not retry for the same packet again
//
FDODeviceExtension->TimerWorkQueueEnabled = FALSE;
//
// Free Work Item Data
//
ExFreePoolWithTag(WorkItemData, USB_STOR_TAG);
}
VOID
NTAPI
USBSTOR_TimerRoutine(
@ -340,50 +233,33 @@ USBSTOR_TimerRoutine(
BOOLEAN ResetDevice = FALSE;
PERRORHANDLER_WORKITEM_DATA WorkItemData;
//
// get device extension
//
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)Context;
DPRINT1("[USBSTOR] TimerRoutine entered\n");
DPRINT1("[USBSTOR] ActiveSrb %p ResetInProgress %x LastTimerActiveSrb %p\n", FDODeviceExtension->ActiveSrb, FDODeviceExtension->ResetInProgress, FDODeviceExtension->LastTimerActiveSrb);
//
// acquire spinlock
//
KeAcquireSpinLockAtDpcLevel(&FDODeviceExtension->IrpListLock);
//
// is there an active srb and no global reset is in progress
//
if (FDODeviceExtension->ActiveSrb && FDODeviceExtension->ResetInProgress == FALSE && FDODeviceExtension->TimerWorkQueueEnabled)
{
if (FDODeviceExtension->LastTimerActiveSrb != NULL && FDODeviceExtension->LastTimerActiveSrb == FDODeviceExtension->ActiveSrb)
{
//
// check if empty
//
DPRINT1("[USBSTOR] ActiveSrb %p hang detected\n", FDODeviceExtension->ActiveSrb);
ResetDevice = TRUE;
}
else
{
//
// update pointer
//
FDODeviceExtension->LastTimerActiveSrb = FDODeviceExtension->ActiveSrb;
}
}
else
{
//
// reset srb
//
FDODeviceExtension->LastTimerActiveSrb = NULL;
}
//
// release lock
//
KeReleaseSpinLockFromDpcLevel(&FDODeviceExtension->IrpListLock);
@ -394,9 +270,7 @@ USBSTOR_TimerRoutine(
USB_STOR_TAG);
if (WorkItemData)
{
//
// Initialize and queue the work item to handle the error
//
ExInitializeWorkItem(&WorkItemData->WorkQueueItem,
USBSTOR_TimerWorkerRoutine,
WorkItemData);

291
drivers/usb/usbstor/fdo.c
View file

@ -1,12 +1,10 @@
/*
* PROJECT: ReactOS Universal Serial Bus Bulk Storage Driver
* LICENSE: GPL - See COPYING in the top level directory
* FILE: drivers/usb/usbstor/fdo.c
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: USB block storage device driver.
* PROGRAMMERS:
* James Tabor
* Michael Martin (michael.martin@reactos.org)
* Johannes Anderwald (johannes.anderwald@reactos.org)
* COPYRIGHT: 2005-2006 James Tabor
* 2011-2012 Michael Martin (michael.martin@reactos.org)
* 2011-2013 Johannes Anderwald (johannes.anderwald@reactos.org)
*/
#include "usbstor.h"
@ -14,6 +12,7 @@
#define NDEBUG
#include <debug.h>
VOID
USBSTOR_DumpDeviceDescriptor(PUSB_DEVICE_DESCRIPTOR DeviceDescriptor)
{
@ -44,80 +43,47 @@ USBSTOR_FdoHandleDeviceRelations(
PDEVICE_RELATIONS DeviceRelations;
PIO_STACK_LOCATION IoStack;
//
// get current irp stack location
//
IoStack = IoGetCurrentIrpStackLocation(Irp);
//
// check if relation type is BusRelations
//
if (IoStack->Parameters.QueryDeviceRelations.Type != BusRelations)
{
//
// FDO always only handles bus relations
//
return USBSTOR_SyncForwardIrp(DeviceExtension->LowerDeviceObject, Irp);
}
//
// go through array and count device objects
//
for (Index = 0; Index < max(DeviceExtension->MaxLUN, 1); Index++)
{
if (DeviceExtension->ChildPDO[Index])
{
//
// child pdo
//
DeviceCount++;
}
}
//
// allocate device relations
//
DeviceRelations = (PDEVICE_RELATIONS)AllocateItem(PagedPool, sizeof(DEVICE_RELATIONS) + (DeviceCount > 1 ? (DeviceCount-1) * sizeof(PDEVICE_OBJECT) : 0));
if (!DeviceRelations)
{
//
// no memory
//
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// add device objects
//
for(Index = 0; Index < max(DeviceExtension->MaxLUN, 1); Index++)
for (Index = 0; Index < max(DeviceExtension->MaxLUN, 1); Index++)
{
if (DeviceExtension->ChildPDO[Index])
{
//
// store child pdo
//
DeviceRelations->Objects[DeviceRelations->Count] = DeviceExtension->ChildPDO[Index];
//
// add reference
//
ObReferenceObject(DeviceExtension->ChildPDO[Index]);
//
// increment count
//
DeviceRelations->Count++;
}
}
//
// store result
//
Irp->IoStatus.Information = (ULONG_PTR)DeviceRelations;
//
// request completed successfully
//
return STATUS_SUCCESS;
}
@ -132,8 +98,8 @@ USBSTOR_FdoHandleRemoveDevice(
DPRINT("Handling FDO removal %p\n", DeviceObject);
/* FIXME: wait for devices finished processing */
for(Index = 0; Index < 16; Index++)
// FIXME: wait for devices finished processing
for (Index = 0; Index < 16; Index++)
{
if (DeviceExtension->ChildPDO[Index] != NULL)
{
@ -142,14 +108,13 @@ USBSTOR_FdoHandleRemoveDevice(
}
}
/* Send the IRP down the stack */
// Send the IRP down the stack
IoSkipCurrentIrpStackLocation(Irp);
Status = IoCallDriver(DeviceExtension->LowerDeviceObject, Irp);
/* Detach from the device stack */
// Detach from the device stack
IoDetachDevice(DeviceExtension->LowerDeviceObject);
/* Delete the device object */
IoDeleteDevice(DeviceObject);
return Status;
@ -165,50 +130,31 @@ USBSTOR_FdoHandleStartDevice(
NTSTATUS Status;
UCHAR Index = 0;
//
// forward irp to lower device
//
Status = USBSTOR_SyncForwardIrp(DeviceExtension->LowerDeviceObject, Irp);
if (!NT_SUCCESS(Status))
{
//
// failed to start
//
DPRINT1("USBSTOR_FdoHandleStartDevice Lower device failed to start %x\n", Status);
return Status;
}
//
// initialize irp queue
//
USBSTOR_QueueInitialize(DeviceExtension);
//
// first get device & configuration & string descriptor
//
Status = USBSTOR_GetDescriptors(DeviceObject);
if (!NT_SUCCESS(Status))
{
//
// failed to get device descriptor
//
DPRINT1("USBSTOR_FdoHandleStartDevice failed to get device descriptor with %x\n", Status);
return Status;
}
//
// dump device descriptor
//
USBSTOR_DumpDeviceDescriptor(DeviceExtension->DeviceDescriptor);
//
// Check that this device uses bulk transfers and is SCSI
//
InterfaceDesc = (PUSB_INTERFACE_DESCRIPTOR)((ULONG_PTR)DeviceExtension->ConfigurationDescriptor + sizeof(USB_CONFIGURATION_DESCRIPTOR));
//
// sanity check
//
// Check that this device uses bulk transfers and is SCSI
InterfaceDesc = (PUSB_INTERFACE_DESCRIPTOR)((ULONG_PTR)DeviceExtension->ConfigurationDescriptor + sizeof(USB_CONFIGURATION_DESCRIPTOR));
ASSERT(InterfaceDesc->bDescriptorType == USB_INTERFACE_DESCRIPTOR_TYPE);
ASSERT(InterfaceDesc->bLength == sizeof(USB_INTERFACE_DESCRIPTOR));
@ -221,82 +167,51 @@ USBSTOR_FdoHandleStartDevice(
if (InterfaceDesc->bInterfaceSubClass != 0x06)
{
//
// FIXME: need to pad CDBs to 12 byte
// mode select commands must be translated from 1AH / 15h to 5AH / 55h
//
DPRINT1("[USBSTOR] Error: need to pad CDBs\n");
return STATUS_NOT_IMPLEMENTED;
}
//
// now select an interface
//
Status = USBSTOR_SelectConfigurationAndInterface(DeviceObject, DeviceExtension);
if (!NT_SUCCESS(Status))
{
//
// failed to get device descriptor
//
DPRINT1("USBSTOR_FdoHandleStartDevice failed to select configuration / interface with %x\n", Status);
return Status;
}
//
// check if we got a bulk in + bulk out endpoint
//
Status = USBSTOR_GetPipeHandles(DeviceExtension);
if (!NT_SUCCESS(Status))
{
//
// failed to get pipe handles descriptor
//
DPRINT1("USBSTOR_FdoHandleStartDevice no pipe handles %x\n", Status);
return Status;
}
//
// get num of lun which are supported
//
Status = USBSTOR_GetMaxLUN(DeviceExtension->LowerDeviceObject, DeviceExtension);
if (!NT_SUCCESS(Status))
{
//
// failed to get max LUN
//
DPRINT1("USBSTOR_FdoHandleStartDevice failed to get max lun %x\n", Status);
return Status;
}
//
// now create for each LUN a device object, 1 minimum
//
do
{
//
// create pdo
//
Status = USBSTOR_CreatePDO(DeviceObject, Index);
//
// check for failure
//
if (!NT_SUCCESS(Status))
{
//
// failed to create child pdo
//
DPRINT1("USBSTOR_FdoHandleStartDevice USBSTOR_CreatePDO failed for Index %lu with Status %x\n", Index, Status);
return Status;
}
//
// increment pdo index
//
Index++;
DeviceExtension->InstanceCount++;
}while(Index < DeviceExtension->MaxLUN);
} while(Index < DeviceExtension->MaxLUN);
#if 0
//
@ -313,16 +228,8 @@ USBSTOR_FdoHandleStartDevice(
}
#endif
//
// start the timer
//
//IoStartTimer(DeviceObject);
//
// fdo is now initialized
//
DPRINT("USBSTOR_FdoHandleStartDevice FDO is initialized\n");
return STATUS_SUCCESS;
}
@ -336,126 +243,94 @@ USBSTOR_FdoHandlePnp(
PFDO_DEVICE_EXTENSION DeviceExtension;
NTSTATUS Status;
//
// get current stack location
//
IoStack = IoGetCurrentIrpStackLocation(Irp);
//
// get device extension
//
DeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// sanity check
//
ASSERT(DeviceExtension->Common.IsFDO);
switch(IoStack->MinorFunction)
{
case IRP_MN_SURPRISE_REMOVAL:
{
DPRINT("IRP_MN_SURPRISE_REMOVAL %p\n", DeviceObject);
Irp->IoStatus.Status = STATUS_SUCCESS;
//
// forward irp to next device object
//
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(DeviceExtension->LowerDeviceObject, Irp);
}
case IRP_MN_QUERY_DEVICE_RELATIONS:
{
DPRINT("IRP_MN_QUERY_DEVICE_RELATIONS %p\n", DeviceObject);
Status = USBSTOR_FdoHandleDeviceRelations(DeviceExtension, Irp);
break;
}
case IRP_MN_STOP_DEVICE:
{
DPRINT1("USBSTOR_FdoHandlePnp: IRP_MN_STOP_DEVICE unimplemented\n");
IoStopTimer(DeviceObject);
Irp->IoStatus.Status = STATUS_SUCCESS;
//
// forward irp to next device object
//
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(DeviceExtension->LowerDeviceObject, Irp);
}
case IRP_MN_REMOVE_DEVICE:
{
DPRINT("IRP_MN_REMOVE_DEVICE\n");
return USBSTOR_FdoHandleRemoveDevice(DeviceObject, DeviceExtension, Irp);
}
case IRP_MN_QUERY_CAPABILITIES:
{
//
// FIXME: set custom capabilities
//
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(DeviceExtension->LowerDeviceObject, Irp);
}
case IRP_MN_QUERY_STOP_DEVICE:
case IRP_MN_QUERY_REMOVE_DEVICE:
{
#if 0
//
// we can if nothing is pending
//
if (DeviceExtension->IrpPendingCount != 0 ||
DeviceExtension->ActiveSrb != NULL)
#else
if (TRUE)
#endif
{
/* We have pending requests */
DPRINT1("Failing removal/stop request due to pending requests present\n");
Status = STATUS_UNSUCCESSFUL;
}
else
{
/* We're all clear */
Irp->IoStatus.Status = STATUS_SUCCESS;
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(DeviceExtension->LowerDeviceObject, Irp);
}
break;
}
case IRP_MN_START_DEVICE:
{
Status = USBSTOR_FdoHandleStartDevice(DeviceObject, DeviceExtension, Irp);
break;
}
default:
case IRP_MN_SURPRISE_REMOVAL:
{
//
DPRINT("IRP_MN_SURPRISE_REMOVAL %p\n", DeviceObject);
Irp->IoStatus.Status = STATUS_SUCCESS;
// forward irp to next device object
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(DeviceExtension->LowerDeviceObject, Irp);
}
case IRP_MN_QUERY_DEVICE_RELATIONS:
{
DPRINT("IRP_MN_QUERY_DEVICE_RELATIONS %p\n", DeviceObject);
Status = USBSTOR_FdoHandleDeviceRelations(DeviceExtension, Irp);
break;
}
case IRP_MN_STOP_DEVICE:
{
DPRINT1("USBSTOR_FdoHandlePnp: IRP_MN_STOP_DEVICE unimplemented\n");
IoStopTimer(DeviceObject);
Irp->IoStatus.Status = STATUS_SUCCESS;
// forward irp to next device object
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(DeviceExtension->LowerDeviceObject, Irp);
}
case IRP_MN_REMOVE_DEVICE:
{
DPRINT("IRP_MN_REMOVE_DEVICE\n");
return USBSTOR_FdoHandleRemoveDevice(DeviceObject, DeviceExtension, Irp);
}
case IRP_MN_QUERY_CAPABILITIES:
{
// FIXME: set custom capabilities
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(DeviceExtension->LowerDeviceObject, Irp);
}
case IRP_MN_QUERY_STOP_DEVICE:
case IRP_MN_QUERY_REMOVE_DEVICE:
{
#if 0
//
// we can if nothing is pending
//
if (DeviceExtension->IrpPendingCount != 0 ||
DeviceExtension->ActiveSrb != NULL)
#else
if (TRUE)
#endif
{
/* We have pending requests */
DPRINT1("Failing removal/stop request due to pending requests present\n");
Status = STATUS_UNSUCCESSFUL;
}
else
{
/* We're all clear */
Irp->IoStatus.Status = STATUS_SUCCESS;
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(DeviceExtension->LowerDeviceObject, Irp);
}
break;
}
case IRP_MN_START_DEVICE:
{
Status = USBSTOR_FdoHandleStartDevice(DeviceObject, DeviceExtension, Irp);
break;
}
default:
{
// forward irp to next device object
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(DeviceExtension->LowerDeviceObject, Irp);
}
}
//
// complete request
//
if (Status != STATUS_PENDING)
{
//
// store result
//
Irp->IoStatus.Status = Status;
//
// complete request
//
IoCompleteRequest(Irp, IO_NO_INCREMENT);
}
//
// done processing
//
return Status;
}

219
drivers/usb/usbstor/misc.c
View file

@ -1,12 +1,10 @@
/*
* PROJECT: ReactOS Universal Serial Bus Bulk Storage Driver
* LICENSE: GPL - See COPYING in the top level directory
* FILE: drivers/usb/usbstor/misc.c
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: USB block storage device driver.
* PROGRAMMERS:
* James Tabor
* Michael Martin (michael.martin@reactos.org)
* Johannes Anderwald (johannes.anderwald@reactos.org)
* COPYRIGHT: 2005-2006 James Tabor
* 2011-2012 Michael Martin (michael.martin@reactos.org)
* 2011-2013 Johannes Anderwald (johannes.anderwald@reactos.org)
*/
#include "usbstor.h"
@ -14,9 +12,7 @@
#define NDEBUG
#include <debug.h>
//
// driver verifier
//
IO_COMPLETION_ROUTINE SyncForwardIrpCompletionRoutine;
NTSTATUS
@ -40,46 +36,19 @@ USBSTOR_SyncForwardIrp(PDEVICE_OBJECT DeviceObject, PIRP Irp)
KEVENT Event;
NTSTATUS Status;
//
// initialize event
//
KeInitializeEvent(&Event, NotificationEvent, FALSE);
//
// copy irp stack location
//
IoCopyCurrentIrpStackLocationToNext(Irp);
//
// set completion routine
//
IoSetCompletionRoutine(Irp, USBSTOR_SyncForwardIrpCompletionRoutine, &Event, TRUE, TRUE, TRUE);
//
// call driver
//
Status = IoCallDriver(DeviceObject, Irp);
//
// check if pending
//
if (Status == STATUS_PENDING)
{
//
// wait for the request to finish
//
KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
//
// copy status code
//
Status = Irp->IoStatus.Status;
}
//
// done
//
return Status;
}
@ -95,22 +64,11 @@ USBSTOR_GetBusInterface(
IO_STATUS_BLOCK IoStatus;
PIO_STACK_LOCATION Stack;
//
// sanity checks
//
ASSERT(DeviceObject);
ASSERT(BusInterface);
//
// initialize event
//
KeInitializeEvent(&Event, NotificationEvent, FALSE);
//
// create irp
//
Irp = IoBuildSynchronousFsdRequest(IRP_MJ_PNP,
DeviceObject,
NULL,
@ -118,22 +76,13 @@ USBSTOR_GetBusInterface(
NULL,
&Event,
&IoStatus);
//
// was irp built
//
if (Irp == NULL)
{
//
// no memory
//
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// initialize request
//
Stack=IoGetNextIrpStackLocation(Irp);
Stack = IoGetNextIrpStackLocation(Irp);
Stack->MajorFunction = IRP_MJ_PNP;
Stack->MinorFunction = IRP_MN_QUERY_INTERFACE;
Stack->Parameters.QueryInterface.Size = sizeof(BUS_INTERFACE_STANDARD);
@ -143,25 +92,12 @@ USBSTOR_GetBusInterface(
Stack->Parameters.QueryInterface.InterfaceSpecificData = NULL;
Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
//
// call driver
//
Status= IoCallDriver(DeviceObject, Irp);
Status = IoCallDriver(DeviceObject, Irp);
//
// did operation complete
//
if (Status == STATUS_PENDING)
{
//
// wait for completion
//
KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
//
// collect status
//
Status=IoStatus.Status;
Status = IoStatus.Status;
}
return Status;
@ -177,72 +113,34 @@ USBSTOR_SyncUrbRequest(
KEVENT Event;
NTSTATUS Status;
//
// allocate irp
//
Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
if (!Irp)
{
//
// no memory
//
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// initialize event
//
KeInitializeEvent(&Event, NotificationEvent, FALSE);
//
// get next stack location
//
IoStack = IoGetNextIrpStackLocation(Irp);
//
// initialize stack location
//
IoStack->MajorFunction = IRP_MJ_INTERNAL_DEVICE_CONTROL;
IoStack->Parameters.DeviceIoControl.IoControlCode = IOCTL_INTERNAL_USB_SUBMIT_URB;
IoStack->Parameters.Others.Argument1 = (PVOID)UrbRequest;
IoStack->Parameters.DeviceIoControl.InputBufferLength = UrbRequest->UrbHeader.Length;
Irp->IoStatus.Status = STATUS_SUCCESS;
//
// setup completion routine
//
IoSetCompletionRoutine(Irp, USBSTOR_SyncForwardIrpCompletionRoutine, &Event, TRUE, TRUE, TRUE);
//
// call driver
//
Status = IoCallDriver(DeviceObject, Irp);
//
// check if request is pending
//
if (Status == STATUS_PENDING)
{
//
// wait for completion
//
KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
//
// update status
//
Status = Irp->IoStatus.Status;
}
//
// free irp
//
IoFreeIrp(Irp);
//
// done
//
return Status;
}
@ -251,22 +149,13 @@ AllocateItem(
IN POOL_TYPE PoolType,
IN ULONG ItemSize)
{
//
// allocate item
//
PVOID Item = ExAllocatePoolWithTag(PoolType, ItemSize, USB_STOR_TAG);
if (Item)
{
//
// zero item
//
RtlZeroMemory(Item, ItemSize);
}
//
// return element
//
return Item;
}
@ -274,9 +163,6 @@ VOID
FreeItem(
IN PVOID Item)
{
//
// free item
//
ExFreePoolWithTag(Item, USB_STOR_TAG);
}
@ -294,21 +180,12 @@ USBSTOR_ClassRequest(
PURB Urb;
NTSTATUS Status;
//
// first allocate urb
//
Urb = (PURB)AllocateItem(NonPagedPool, sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST));
if (!Urb)
{
//
// no memory
//
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// initialize vendor request
//
Urb->UrbControlVendorClassRequest.Hdr.Length = sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST);
Urb->UrbControlVendorClassRequest.Hdr.Function = URB_FUNCTION_CLASS_INTERFACE;
Urb->UrbControlVendorClassRequest.TransferFlags = TransferFlags;
@ -317,23 +194,12 @@ USBSTOR_ClassRequest(
Urb->UrbControlVendorClassRequest.Request = RequestType;
Urb->UrbControlVendorClassRequest.Index = Index;
//
// submit request
//
Status = USBSTOR_SyncUrbRequest(DeviceObject, Urb);
//
// free urb
//
FreeItem(Urb);
//
// done
//
return Status;
}
NTSTATUS
USBSTOR_GetMaxLUN(
IN PDEVICE_OBJECT DeviceObject,
@ -342,22 +208,13 @@ USBSTOR_GetMaxLUN(
PUCHAR Buffer;
NTSTATUS Status;
//
// allocate 1-byte buffer
//
Buffer = (PUCHAR)AllocateItem(NonPagedPool, sizeof(UCHAR));
if (!Buffer)
{
//
// no memory
//
FreeItem(Buffer);
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// execute request
//
Status = USBSTOR_ClassRequest(DeviceObject, DeviceExtension, USB_BULK_GET_MAX_LUN, DeviceExtension->InterfaceInformation->InterfaceNumber, USBD_TRANSFER_DIRECTION_IN, sizeof(UCHAR), Buffer);
DPRINT("MaxLUN: %x\n", *Buffer);
@ -366,42 +223,28 @@ USBSTOR_GetMaxLUN(
{
if (*Buffer > 0xF)
{
//
// invalid response documented in usb mass storage specification
//
Status = STATUS_DEVICE_DATA_ERROR;
}
else
{
//
// store maxlun
//
DeviceExtension->MaxLUN = *Buffer;
}
}
else
{
//
// "USB Mass Storage Class. Bulk-Only Transport. Revision 1.0"
// 3.2 Get Max LUN (class-specific request) :
// Devices that do not support multiple LUNs may STALL this command.
//
USBSTOR_ResetDevice(DeviceExtension->LowerDeviceObject, DeviceExtension);
DeviceExtension->MaxLUN = 0;
Status = STATUS_SUCCESS;
}
//
// free buffer
//
FreeItem(Buffer);
//
// done
//
return Status;
}
NTSTATUS
@ -411,16 +254,8 @@ USBSTOR_ResetDevice(
{
NTSTATUS Status;
//
// execute request
//
Status = USBSTOR_ClassRequest(DeviceObject, DeviceExtension, USB_BULK_RESET_DEVICE, DeviceExtension->InterfaceInformation->InterfaceNumber, USBD_TRANSFER_DIRECTION_OUT, 0, NULL);
//
// done
//
return Status;
}
BOOLEAN
@ -433,88 +268,54 @@ USBSTOR_IsFloppy(
PUFI_CAPACITY_DESCRIPTOR Descriptor;
ULONG Length, Index, BlockCount, BlockLength;
//
// get format header
//
FormatHeader = (PUFI_CAPACITY_FORMAT_HEADER)Buffer;
//
// sanity checks
//
ASSERT(FormatHeader->Reserved1 == 0x00);
ASSERT(FormatHeader->Reserved2 == 0x00);
ASSERT(FormatHeader->Reserved3 == 0x00);
//
// is there capacity data
//
if (!FormatHeader->CapacityLength)
{
//
// no data provided
//
DPRINT1("[USBSTOR] No capacity length\n");
return FALSE;
}
//
// the format header are always 8 bytes in length
//
ASSERT((FormatHeader->CapacityLength & 0x7) == 0);
DPRINT1("CapacityLength %x\n", FormatHeader->CapacityLength);
//
// grab length and locate first descriptor
//
Length = FormatHeader->CapacityLength;
Descriptor = (PUFI_CAPACITY_DESCRIPTOR)(FormatHeader + 1);
for(Index = 0; Index < Length / sizeof(UFI_CAPACITY_DESCRIPTOR); Index++)
for (Index = 0; Index < Length / sizeof(UFI_CAPACITY_DESCRIPTOR); Index++)
{
//
// blocks are little endian format
//
BlockCount = NTOHL(Descriptor->BlockCount);
//
// get block length
//
BlockLength = NTOHL((Descriptor->BlockLengthByte0 << 24 | Descriptor->BlockLengthByte1 << 16 | Descriptor->BlockLengthByte2 << 8));
DPRINT1("BlockCount %x BlockLength %x Code %x\n", BlockCount, BlockLength, Descriptor->Code);
if (BlockLength == 512 && BlockCount == 1440)
{
//
// 720 KB DD
//
*MediumTypeCode = 0x1E;
return TRUE;
}
else if (BlockLength == 1024 && BlockCount == 1232)
{
//
// 1,25 MB
//
*MediumTypeCode = 0x93;
return TRUE;
}
else if (BlockLength == 512 && BlockCount == 2880)
{
//
// 1,44MB KB DD
//
*MediumTypeCode = 0x94;
return TRUE;
}
//
// move to next descriptor
//
Descriptor = (Descriptor + 1);
Descriptor++;
}
//
// no floppy detected
//
return FALSE;
}

487
drivers/usb/usbstor/pdo.c
View file

File diff suppressed because it is too large Load diff

325
drivers/usb/usbstor/queue.c
View file

@ -1,12 +1,10 @@
/*
* PROJECT: ReactOS Universal Serial Bus Bulk Storage Driver
* LICENSE: GPL - See COPYING in the top level directory
* FILE: drivers/usb/usbstor/queue.c
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: USB block storage device driver.
* PROGRAMMERS:
* James Tabor
* Michael Martin (michael.martin@reactos.org)
* Johannes Anderwald (johannes.anderwald@reactos.org)
* COPYRIGHT: 2005-2006 James Tabor
* 2011-2012 Michael Martin (michael.martin@reactos.org)
* 2011-2013 Johannes Anderwald (johannes.anderwald@reactos.org)
*/
#include "usbstor.h"
@ -14,28 +12,14 @@
#define NDEBUG
#include <debug.h>
VOID
USBSTOR_QueueInitialize(
PFDO_DEVICE_EXTENSION FDODeviceExtension)
{
//
// sanity check
//
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// initialize queue lock
//
KeInitializeSpinLock(&FDODeviceExtension->IrpListLock);
//
// initialize irp list head
//
InitializeListHead(&FDODeviceExtension->IrpListHead);
//
// initialize event
//
KeInitializeEvent(&FDODeviceExtension->NoPendingRequests, NotificationEvent, TRUE);
}
@ -47,40 +31,18 @@ USBSTOR_CancelIo(
{
PFDO_DEVICE_EXTENSION FDODeviceExtension;
//
// get FDO device extension
//
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// sanity check
//
ASSERT(KeGetCurrentIrql() == DISPATCH_LEVEL);
ASSERT_IRQL_EQUAL(DISPATCH_LEVEL);
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// this IRP isn't in our list here
//
//
// now release the cancel lock
//
IoReleaseCancelSpinLock(Irp->CancelIrql);
//
// set cancel status
//
Irp->IoStatus.Status = STATUS_CANCELLED;
//
// now cancel the irp
//
USBSTOR_QueueTerminateRequest(DeviceObject, Irp);
IoCompleteRequest(Irp, IO_NO_INCREMENT);
//
// start the next one
//
USBSTOR_QueueNextRequest(DeviceObject);
}
@ -92,51 +54,20 @@ USBSTOR_Cancel(
{
PFDO_DEVICE_EXTENSION FDODeviceExtension;
//
// get FDO device extension
//
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// sanity check
//
ASSERT(KeGetCurrentIrql() == DISPATCH_LEVEL);
ASSERT_IRQL_EQUAL(DISPATCH_LEVEL);
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// acquire irp list lock
//
KeAcquireSpinLockAtDpcLevel(&FDODeviceExtension->IrpListLock);
//
// remove the irp from the list
//
RemoveEntryList(&Irp->Tail.Overlay.ListEntry);
//
// release irp list lock
//
KeReleaseSpinLockFromDpcLevel(&FDODeviceExtension->IrpListLock);
//
// now release the cancel lock
//
IoReleaseCancelSpinLock(Irp->CancelIrql);
//
// set cancel status
//
Irp->IoStatus.Status = STATUS_CANCELLED;
//
// now cancel the irp
//
USBSTOR_QueueTerminateRequest(DeviceObject, Irp);
IoCompleteRequest(Irp, IO_NO_INCREMENT);
//
// start the next one
//
USBSTOR_QueueNextRequest(DeviceObject);
}
@ -153,68 +84,32 @@ USBSTOR_QueueAddIrp(
PIO_STACK_LOCATION IoStack = IoGetCurrentIrpStackLocation(Irp);
PSCSI_REQUEST_BLOCK Request = (PSCSI_REQUEST_BLOCK)IoStack->Parameters.Others.Argument1;
//
// get FDO device extension
//
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// sanity check
//
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// mark irp pending
//
IoMarkIrpPending(Irp);
//
// acquire lock
//
KeAcquireSpinLock(&FDODeviceExtension->IrpListLock, &OldLevel);
//
// check if there are irp pending
//
SrbProcessing = FDODeviceExtension->IrpPendingCount != 0;
if (SrbProcessing)
{
//
// add irp to queue
//
InsertTailList(&FDODeviceExtension->IrpListHead, &Irp->Tail.Overlay.ListEntry);
}
//
// increment pending count
//
FDODeviceExtension->IrpPendingCount++;
//
// clear the no requests pending event
//
KeClearEvent(&FDODeviceExtension->NoPendingRequests);
//
// check if queue is freezed
//
IrpListFreeze = FDODeviceExtension->IrpListFreeze;
//
// release list lock
//
KeReleaseSpinLock(&FDODeviceExtension->IrpListLock, OldLevel);
//
// synchronize with cancellations by holding the cancel lock
//
IoAcquireCancelSpinLock(&Irp->CancelIrql);
//
// now set the driver cancel routine
//
if (SrbProcessing)
{
ASSERT(FDODeviceExtension->ActiveSrb != NULL);
@ -229,30 +124,17 @@ USBSTOR_QueueAddIrp(
OldDriverCancel = IoSetCancelRoutine(Irp, USBSTOR_CancelIo);
}
//
// check if the irp has already been cancelled
//
if (Irp->Cancel && OldDriverCancel == NULL)
{
//
// cancel irp
//
Irp->CancelRoutine(DeviceObject, Irp);
//
// irp was cancelled
//
return FALSE;
}
//
// release the cancel lock
//
IoReleaseCancelSpinLock(Irp->CancelIrql);
//
// if list is freezed, dont start this packet
//
DPRINT("IrpListFreeze: %lu IrpPendingCount %lu\n", IrpListFreeze, FDODeviceExtension->IrpPendingCount);
return (IrpListFreeze || SrbProcessing);
@ -267,45 +149,21 @@ USBSTOR_RemoveIrp(
PLIST_ENTRY Entry;
PIRP Irp = NULL;
//
// get FDO device extension
//
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// sanity check
//
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// acquire lock
//
KeAcquireSpinLock(&FDODeviceExtension->IrpListLock, &OldLevel);
//
// check if list is empty
//
if (!IsListEmpty(&FDODeviceExtension->IrpListHead))
{
//
// remove entry
//
Entry = RemoveHeadList(&FDODeviceExtension->IrpListHead);
//
// get offset to start of irp
//
Irp = (PIRP)CONTAINING_RECORD(Entry, IRP, Tail.Overlay.ListEntry);
}
//
// release list lock
//
KeReleaseSpinLock(&FDODeviceExtension->IrpListLock, OldLevel);
//
// return result
//
return Irp;
}
@ -315,14 +173,8 @@ USBSTOR_QueueWaitForPendingRequests(
{
PFDO_DEVICE_EXTENSION FDODeviceExtension;
//
// get FDO device extension
//
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// perform the wait
//
KeWaitForSingleObject(&FDODeviceExtension->NoPendingRequests,
Executive,
KernelMode,
@ -340,51 +192,28 @@ USBSTOR_QueueTerminateRequest(
PIO_STACK_LOCATION IoStack = IoGetCurrentIrpStackLocation(Irp);
PSCSI_REQUEST_BLOCK Request = (PSCSI_REQUEST_BLOCK)IoStack->Parameters.Others.Argument1;
//
// get FDO device extension
//
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)FDODeviceObject->DeviceExtension;
//
// sanity check
//
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// acquire lock
//
KeAcquireSpinLock(&FDODeviceExtension->IrpListLock, &OldLevel);
//
// decrement pending irp count
//
FDODeviceExtension->IrpPendingCount--;
//
// check if this was our current active SRB
//
if (FDODeviceExtension->ActiveSrb == Request)
{
//
// indicate processing is completed
//
FDODeviceExtension->ActiveSrb = NULL;
}
//
// Set the event if nothing else is pending
//
if (FDODeviceExtension->IrpPendingCount == 0 &&
FDODeviceExtension->ActiveSrb == NULL)
{
KeSetEvent(&FDODeviceExtension->NoPendingRequests, IO_NO_INCREMENT, FALSE);
}
//
// release lock
//
KeReleaseSpinLock(&FDODeviceExtension->IrpListLock, OldLevel);
}
VOID
@ -396,73 +225,36 @@ USBSTOR_QueueNextRequest(
PIO_STACK_LOCATION IoStack;
PSCSI_REQUEST_BLOCK Request;
//
// get pdo device extension
//
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// sanity check
//
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// check first if there's already a request pending or the queue is frozen
//
if (FDODeviceExtension->ActiveSrb != NULL ||
FDODeviceExtension->IrpListFreeze)
{
//
// no work to do yet
//
return;
}
//
// remove first irp from list
//
Irp = USBSTOR_RemoveIrp(DeviceObject);
//
// is there an irp pending
//
if (!Irp)
{
//
// no work to do
//
IoStartNextPacket(DeviceObject, TRUE);
return;
}
//
// get current stack location
//
IoStack = IoGetCurrentIrpStackLocation(Irp);
//
// get srb
//
Request = (PSCSI_REQUEST_BLOCK)IoStack->Parameters.Others.Argument1;
//
// sanity check
//
ASSERT(Request);
//
// set the active SRB
//
FDODeviceExtension->ActiveSrb = Request;
//
// start next packet
//
IoStartPacket(DeviceObject, Irp, &Request->QueueSortKey, USBSTOR_CancelIo);
//
// start next request
//
IoStartNextPacket(DeviceObject, TRUE);
}
@ -476,67 +268,33 @@ USBSTOR_QueueRelease(
PIO_STACK_LOCATION IoStack;
PSCSI_REQUEST_BLOCK Request;
//
// get FDO device extension
//
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// sanity check
//
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// acquire lock
//
KeAcquireSpinLock(&FDODeviceExtension->IrpListLock, &OldLevel);
//
// clear freezed status
//
FDODeviceExtension->IrpListFreeze = FALSE;
//
// release irp list lock
//
KeReleaseSpinLock(&FDODeviceExtension->IrpListLock, OldLevel);
//
// grab newest irp
//
Irp = USBSTOR_RemoveIrp(DeviceObject);
//
// is there an irp
//
if (!Irp)
{
//
// no irp
//
return;
}
//
// get current irp stack location
//
IoStack = IoGetCurrentIrpStackLocation(Irp);
//
// get srb
//
Request = (PSCSI_REQUEST_BLOCK)IoStack->Parameters.Others.Argument1;
//
// start new packet
//
IoStartPacket(DeviceObject,
Irp,
&Request->QueueSortKey,
USBSTOR_CancelIo);
}
VOID
NTAPI
USBSTOR_StartIo(
@ -551,107 +309,45 @@ USBSTOR_StartIo(
DPRINT("USBSTOR_StartIo\n");
//
// get FDO device extension
//
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// sanity check
//
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// acquire cancel spinlock
//
IoAcquireCancelSpinLock(&OldLevel);
//
// set cancel routine to zero
//
IoSetCancelRoutine(Irp, NULL);
//
// check if the irp has been cancelled
//
if (Irp->Cancel)
{
//
// irp has been cancelled, release cancel spinlock
//
IoReleaseCancelSpinLock(OldLevel);
//
// irp is cancelled
//
Irp->IoStatus.Status = STATUS_CANCELLED;
Irp->IoStatus.Information = 0;
//
// terminate request
//
USBSTOR_QueueTerminateRequest(DeviceObject, Irp);
//
// complete request
//
IoCompleteRequest(Irp, IO_NO_INCREMENT);
//
// queue next request
//
USBSTOR_QueueNextRequest(DeviceObject);
//
// done
//
return;
}
//
// release cancel spinlock
//
IoReleaseCancelSpinLock(OldLevel);
//
// acquire lock
//
KeAcquireSpinLock(&FDODeviceExtension->IrpListLock, &OldLevel);
//
// check reset is in progress
//
ResetInProgress = FDODeviceExtension->ResetInProgress;
ASSERT(ResetInProgress == FALSE);
//
// release lock
//
KeReleaseSpinLock(&FDODeviceExtension->IrpListLock, OldLevel);
//
// get current irp stack location
//
IoStack = IoGetCurrentIrpStackLocation(Irp);
//
// get pdo device extension
//
PDODeviceExtension = (PPDO_DEVICE_EXTENSION)IoStack->DeviceObject->DeviceExtension;
//
// sanity check
//
ASSERT(PDODeviceExtension->Common.IsFDO == FALSE);
//
// is a reset in progress
//
// TODO: this condition is always false
if (ResetInProgress)
{
//
// hard reset is in progress
//
Irp->IoStatus.Information = 0;
Irp->IoStatus.Status = STATUS_DEVICE_DOES_NOT_EXIST;
USBSTOR_QueueTerminateRequest(DeviceObject, Irp);
@ -659,12 +355,7 @@ USBSTOR_StartIo(
return;
}
//
// execute scsi
//
USBSTOR_HandleExecuteSCSI(IoStack->DeviceObject, Irp, 0);
//
// FIXME: handle error
//
}

457
drivers/usb/usbstor/scsi.c
View file

File diff suppressed because it is too large Load diff

118
drivers/usb/usbstor/usbstor.c
View file

@ -1,21 +1,17 @@
/*
* PROJECT: ReactOS Universal Serial Bus Bulk Storage Driver
* LICENSE: GPL - See COPYING in the top level directory
* FILE: drivers/usb/usbstor/usbstor.c
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: USB block storage device driver.
* PROGRAMMERS:
* James Tabor
Johannes Anderwald
* COPYRIGHT: 2005-2006 James Tabor
* 2011-2012 Michael Martin (michael.martin@reactos.org)
* 2011-2013 Johannes Anderwald (johannes.anderwald@reactos.org)
*/
/* INCLUDES ******************************************************************/
#include "usbstor.h"
#define NDEBUG
#include <debug.h>
/* PUBLIC AND PRIVATE FUNCTIONS **********************************************/
NTSTATUS
NTAPI
@ -27,71 +23,38 @@ USBSTOR_AddDevice(
PDEVICE_OBJECT DeviceObject;
PFDO_DEVICE_EXTENSION DeviceExtension;
//
// lets create the device
//
Status = IoCreateDevice(DriverObject, sizeof(FDO_DEVICE_EXTENSION), 0, FILE_DEVICE_BUS_EXTENDER, FILE_AUTOGENERATED_DEVICE_NAME | FILE_DEVICE_SECURE_OPEN, FALSE, &DeviceObject);
//
// check for success
//
if (!NT_SUCCESS(Status))
{
DPRINT1("USBSTOR_AddDevice: Failed to create FDO Status %x\n", Status);
return Status;
}
//
// get device extension
//
DeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
ASSERT(DeviceExtension);
//
// zero device extension
//
RtlZeroMemory(DeviceExtension, sizeof(FDO_DEVICE_EXTENSION));
//
// initialize device extension
//
DeviceExtension->Common.IsFDO = TRUE;
DeviceExtension->FunctionalDeviceObject = DeviceObject;
DeviceExtension->PhysicalDeviceObject = PhysicalDeviceObject;
DeviceExtension->LowerDeviceObject = IoAttachDeviceToDeviceStack(DeviceObject, PhysicalDeviceObject);
//
// init timer
//
IoInitializeTimer(DeviceObject, USBSTOR_TimerRoutine, (PVOID)DeviceExtension);
//
// did attaching fail
//
if (!DeviceExtension->LowerDeviceObject)
{
//
// device removed
//
IoDeleteDevice(DeviceObject);
return STATUS_DEVICE_REMOVED;
}
//
// set device flags
//
DeviceObject->Flags |= DO_BUFFERED_IO | DO_POWER_PAGABLE;
//
// device is initialized
//
DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
//
// done
//
return STATUS_SUCCESS;
}
@ -100,9 +63,7 @@ NTAPI
USBSTOR_Unload(
PDRIVER_OBJECT DriverObject)
{
//
// no-op
//
}
NTSTATUS
@ -111,9 +72,7 @@ USBSTOR_DispatchClose(
PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
//
// function always succeeds ;)
//
DPRINT("USBSTOR_DispatchClose\n");
Irp->IoStatus.Information = 0;
Irp->IoStatus.Status = STATUS_SUCCESS;
@ -121,7 +80,6 @@ USBSTOR_DispatchClose(
return STATUS_SUCCESS;
}
NTSTATUS
NTAPI
USBSTOR_DispatchDeviceControl(
@ -130,33 +88,18 @@ USBSTOR_DispatchDeviceControl(
{
NTSTATUS Status;
//
// handle requests
//
Status = USBSTOR_HandleDeviceControl(DeviceObject, Irp);
//
// complete request
//
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
//
// done
//
return Status;
}
NTSTATUS
NTAPI
USBSTOR_DispatchScsi(
PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
//
// handle requests
//
return USBSTOR_HandleInternalDeviceControl(DeviceObject, Irp);
}
@ -166,9 +109,7 @@ USBSTOR_DispatchReadWrite(
PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
//
// read write ioctl is not supported
//
Irp->IoStatus.Information = 0;
Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
@ -183,26 +124,14 @@ USBSTOR_DispatchPnp(
{
PUSBSTOR_COMMON_DEVICE_EXTENSION DeviceExtension;
//
// get common device extension
//
DeviceExtension = (PUSBSTOR_COMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// is it for the FDO
//
if (DeviceExtension->IsFDO)
{
//
// dispatch pnp request to fdo pnp handler
//
return USBSTOR_FdoHandlePnp(DeviceObject, Irp);
}
else
{
//
// dispatch request to pdo pnp handler
//
return USBSTOR_PdoHandlePnp(DeviceObject, Irp);
}
}
@ -233,8 +162,6 @@ USBSTOR_DispatchPower(
}
}
NTSTATUS
NTAPI
DriverEntry(
@ -244,51 +171,16 @@ DriverEntry(
DPRINT("********* USB Storage *********\n");
//
// driver unload routine
//
DriverObject->DriverUnload = USBSTOR_Unload;
//
// add device function
//
DriverObject->DriverExtension->AddDevice = USBSTOR_AddDevice;
//
// driver start i/o routine
//
DriverObject->DriverStartIo = USBSTOR_StartIo;
//
// create / close
//
DriverObject->MajorFunction[IRP_MJ_CREATE] = USBSTOR_DispatchClose;
DriverObject->MajorFunction[IRP_MJ_CLOSE] = USBSTOR_DispatchClose;
//
// scsi pass through requests
//
DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = USBSTOR_DispatchDeviceControl;
//
// irp dispatch read / write
//
DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = USBSTOR_DispatchDeviceControl; // scsi pass through requests
DriverObject->MajorFunction[IRP_MJ_READ] = USBSTOR_DispatchReadWrite;
DriverObject->MajorFunction[IRP_MJ_WRITE] = USBSTOR_DispatchReadWrite;
//
// scsi queue ioctl
//
DriverObject->MajorFunction[IRP_MJ_SCSI] = USBSTOR_DispatchScsi;
//
// pnp processing
//
DriverObject->MajorFunction[IRP_MJ_PNP] = USBSTOR_DispatchPnp;
//
// power processing
//
DriverObject->MajorFunction[IRP_MJ_POWER] = USBSTOR_DispatchPower;
return STATUS_SUCCESS;