reactos/drivers/usb/usbstor/disk.c
Victor Perevertkin 94e61c3080
[USBSTOR] Move PDO's Inquiry data and FDO's SCSI context
to their Device Extensions.
This way the driver can better handle low memory situations
2020-06-12 16:55:27 +03:00

541 lines
20 KiB
C

/*
* PROJECT: ReactOS Universal Serial Bus Bulk Storage Driver
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: USB block storage device driver.
* COPYRIGHT: 2005-2006 James Tabor
* 2011-2012 Michael Martin (michael.martin@reactos.org)
* 2011-2013 Johannes Anderwald (johannes.anderwald@reactos.org)
* 2017 Vadim Galyant
*/
#include "usbstor.h"
#define NDEBUG
#include <debug.h>
static
BOOLEAN
IsRequestValid(PIRP Irp)
{
ULONG TransferLength;
PIO_STACK_LOCATION IoStack;
PSCSI_REQUEST_BLOCK Srb;
IoStack = IoGetCurrentIrpStackLocation(Irp);
Srb = IoStack->Parameters.Scsi.Srb;
if (Srb->SrbFlags & (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT))
{
if ((Srb->SrbFlags & SRB_FLAGS_UNSPECIFIED_DIRECTION) == SRB_FLAGS_UNSPECIFIED_DIRECTION)
{
DPRINT1("IsRequestValid: Invalid Srb. Srb->SrbFlags - %X\n", Srb->SrbFlags);
return FALSE;
}
TransferLength = Srb->DataTransferLength;
if (Irp->MdlAddress == NULL)
{
DPRINT1("IsRequestValid: Invalid Srb. Irp->MdlAddress == NULL\n");
return FALSE;
}
if (TransferLength == 0)
{
DPRINT1("IsRequestValid: Invalid Srb. TransferLength == 0\n");
return FALSE;
}
if (TransferLength > USBSTOR_DEFAULT_MAX_TRANSFER_LENGTH)
{
DPRINT1("IsRequestValid: Invalid Srb. TransferLength > 0x10000\n");
return FALSE;
}
}
else
{
if (Srb->DataTransferLength)
{
DPRINT1("IsRequestValid: Invalid Srb. Srb->DataTransferLength != 0\n");
return FALSE;
}
if (Srb->DataBuffer)
{
DPRINT1("IsRequestValid: Invalid Srb. Srb->DataBuffer != NULL\n");
return FALSE;
}
if (Irp->MdlAddress)
{
DPRINT1("IsRequestValid: Invalid Srb. Irp->MdlAddress != NULL\n");
return FALSE;
}
}
return TRUE;
}
NTSTATUS
USBSTOR_HandleInternalDeviceControl(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PIO_STACK_LOCATION IoStack;
PSCSI_REQUEST_BLOCK Request;
PPDO_DEVICE_EXTENSION PDODeviceExtension;
NTSTATUS Status;
IoStack = IoGetCurrentIrpStackLocation(Irp);
Request = (PSCSI_REQUEST_BLOCK)IoStack->Parameters.Others.Argument1;
ASSERT(Request);
PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
ASSERT(PDODeviceExtension->Common.IsFDO == FALSE);
switch(Request->Function)
{
case SRB_FUNCTION_EXECUTE_SCSI:
{
DPRINT("SRB_FUNCTION_EXECUTE_SCSI\n");
if (!IsRequestValid(Irp))
{
Status = STATUS_INVALID_PARAMETER;
break;
}
if (Request->Cdb[0] == SCSIOP_MODE_SENSE)
{
DPRINT("USBSTOR_Scsi: SRB_FUNCTION_EXECUTE_SCSI - FIXME SCSIOP_MODE_SENSE\n");
// FIXME Get from registry WriteProtect for StorageDevicePolicies;
// L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\StorageDevicePolicies"
// QueryTable[0].Name = L"WriteProtect"
}
IoMarkIrpPending(Irp);
Request->SrbStatus = SRB_STATUS_PENDING;
// add the request
if (!USBSTOR_QueueAddIrp(PDODeviceExtension->LowerDeviceObject, Irp))
{
IoStartPacket(PDODeviceExtension->LowerDeviceObject, Irp, &Request->QueueSortKey, USBSTOR_CancelIo);
}
return STATUS_PENDING;
}
case SRB_FUNCTION_RELEASE_DEVICE:
{
DPRINT1("SRB_FUNCTION_RELEASE_DEVICE\n");
ASSERT(PDODeviceExtension->Claimed == TRUE);
// release claim
PDODeviceExtension->Claimed = FALSE;
Status = STATUS_SUCCESS;
break;
}
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;
Status = STATUS_SUCCESS;
break;
}
case SRB_FUNCTION_RELEASE_QUEUE:
{
DPRINT1("SRB_FUNCTION_RELEASE_QUEUE\n");
USBSTOR_QueueRelease(PDODeviceExtension->LowerDeviceObject);
Request->SrbStatus = SRB_STATUS_SUCCESS;
Status = STATUS_SUCCESS;
break;
}
case SRB_FUNCTION_SHUTDOWN:
case SRB_FUNCTION_FLUSH:
case SRB_FUNCTION_FLUSH_QUEUE:
{
DPRINT1("SRB_FUNCTION_FLUSH / SRB_FUNCTION_FLUSH_QUEUE / SRB_FUNCTION_SHUTDOWN\n");
// HACK: don't flush pending requests
#if 0 // we really need a proper storage stack
//
// wait for pending requests to finish
//
USBSTOR_QueueWaitForPendingRequests(PDODeviceExtension->LowerDeviceObject);
#endif
Request->SrbStatus = SRB_STATUS_SUCCESS;
Status = STATUS_SUCCESS;
break;
}
default:
{
//
// not supported
//
Status = STATUS_NOT_SUPPORTED;
Request->SrbStatus = SRB_STATUS_ERROR;
}
}
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
ULONG
USBSTOR_GetFieldLength(
IN PUCHAR Name,
IN ULONG MaxLength)
{
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;
}
NTSTATUS
USBSTOR_HandleQueryProperty(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PIO_STACK_LOCATION IoStack;
PSTORAGE_PROPERTY_QUERY PropertyQuery;
PSTORAGE_DESCRIPTOR_HEADER DescriptorHeader;
PSTORAGE_ADAPTER_DESCRIPTOR AdapterDescriptor;
ULONG FieldLengthVendor, FieldLengthProduct, FieldLengthRevision, TotalLength, FieldLengthSerialNumber;
PPDO_DEVICE_EXTENSION PDODeviceExtension;
PINQUIRYDATA InquiryData;
PSTORAGE_DEVICE_DESCRIPTOR DeviceDescriptor;
PUCHAR Buffer;
PFDO_DEVICE_EXTENSION FDODeviceExtension;
UNICODE_STRING SerialNumber;
ANSI_STRING AnsiString;
NTSTATUS Status;
DPRINT("USBSTOR_HandleQueryProperty\n");
IoStack = IoGetCurrentIrpStackLocation(Irp);
ASSERT(IoStack->Parameters.DeviceIoControl.InputBufferLength >= sizeof(STORAGE_PROPERTY_QUERY));
ASSERT(Irp->AssociatedIrp.SystemBuffer);
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);
PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
ASSERT(PDODeviceExtension);
ASSERT(PDODeviceExtension->Common.IsFDO == FALSE);
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)PDODeviceExtension->LowerDeviceObject->DeviceExtension;
ASSERT(FDODeviceExtension);
ASSERT(FDODeviceExtension->Common.IsFDO);
InquiryData = (PINQUIRYDATA)&PDODeviceExtension->InquiryData;
// compute extra parameters length
FieldLengthVendor = USBSTOR_GetFieldLength(InquiryData->VendorId, 8);
FieldLengthProduct = USBSTOR_GetFieldLength(InquiryData->ProductId, 16);
FieldLengthRevision = USBSTOR_GetFieldLength(InquiryData->ProductRevisionLevel, 4);
if (FDODeviceExtension->SerialNumber)
{
FieldLengthSerialNumber = wcslen(FDODeviceExtension->SerialNumber->bString);
}
else
{
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;
Irp->IoStatus.Information = sizeof(STORAGE_DESCRIPTOR_HEADER);
return STATUS_SUCCESS;
}
// initialize the device descriptor
DeviceDescriptor = (PSTORAGE_DEVICE_DESCRIPTOR)Irp->AssociatedIrp.SystemBuffer;
DeviceDescriptor->Version = sizeof(STORAGE_DEVICE_DESCRIPTOR);
DeviceDescriptor->Size = TotalLength;
DeviceDescriptor->DeviceType = InquiryData->DeviceType;
DeviceDescriptor->DeviceTypeModifier = InquiryData->DeviceTypeModifier;
DeviceDescriptor->RemovableMedia = InquiryData->RemovableMedia;
DeviceDescriptor->CommandQueueing = FALSE;
DeviceDescriptor->BusType = BusTypeUsb;
DeviceDescriptor->VendorIdOffset = sizeof(STORAGE_DEVICE_DESCRIPTOR) - sizeof(UCHAR);
DeviceDescriptor->ProductIdOffset = DeviceDescriptor->VendorIdOffset + FieldLengthVendor + 1;
DeviceDescriptor->ProductRevisionOffset = DeviceDescriptor->ProductIdOffset + FieldLengthProduct + 1;
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));
RtlCopyMemory(Buffer, InquiryData->VendorId, FieldLengthVendor);
Buffer[FieldLengthVendor] = '\0';
Buffer += FieldLengthVendor + 1;
RtlCopyMemory(Buffer, InquiryData->ProductId, FieldLengthProduct);
Buffer[FieldLengthProduct] = '\0';
Buffer += FieldLengthProduct + 1;
RtlCopyMemory(Buffer, InquiryData->ProductRevisionLevel, FieldLengthRevision);
Buffer[FieldLengthRevision] = '\0';
Buffer += FieldLengthRevision + 1;
if (FieldLengthSerialNumber)
{
RtlInitUnicodeString(&SerialNumber, FDODeviceExtension->SerialNumber->bString);
AnsiString.Buffer = (PCHAR)Buffer;
AnsiString.Length = 0;
AnsiString.MaximumLength = FieldLengthSerialNumber * sizeof(WCHAR);
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));
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);
Irp->IoStatus.Information = sizeof(STORAGE_DESCRIPTOR_HEADER);
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 = USBSTOR_DEFAULT_MAX_TRANSFER_LENGTH;
AdapterDescriptor->MaximumPhysicalPages = USBSTOR_DEFAULT_MAX_TRANSFER_LENGTH / PAGE_SIZE + 1; // See CORE-10515 and CORE-10755
AdapterDescriptor->AlignmentMask = 0;
AdapterDescriptor->AdapterUsesPio = FALSE;
AdapterDescriptor->AdapterScansDown = FALSE;
AdapterDescriptor->CommandQueueing = FALSE;
AdapterDescriptor->AcceleratedTransfer = FALSE;
AdapterDescriptor->BusType = BusTypeUsb;
AdapterDescriptor->BusMajorVersion = 0x2; //FIXME verify
AdapterDescriptor->BusMinorVersion = 0x00; //FIXME
// store returned length
Irp->IoStatus.Information = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
return STATUS_SUCCESS;
}
}
NTSTATUS
USBSTOR_HandleDeviceControl(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PIO_STACK_LOCATION IoStack;
NTSTATUS Status;
PPDO_DEVICE_EXTENSION PDODeviceExtension;
PSCSI_ADAPTER_BUS_INFO BusInfo;
PSCSI_INQUIRY_DATA ScsiInquiryData;
PINQUIRYDATA InquiryData;
IoStack = IoGetCurrentIrpStackLocation(Irp);
switch (IoStack->Parameters.DeviceIoControl.IoControlCode)
{
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);
}
if (Capabilities)
{
Capabilities->MaximumTransferLength = USBSTOR_DEFAULT_MAX_TRANSFER_LENGTH;
Capabilities->MaximumPhysicalPages = USBSTOR_DEFAULT_MAX_TRANSFER_LENGTH / PAGE_SIZE + 1; // See CORE-10515 and CORE-10755
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:
{
PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
ASSERT(PDODeviceExtension);
ASSERT(PDODeviceExtension->Common.IsFDO == FALSE);
// get parameters
BusInfo = Irp->AssociatedIrp.SystemBuffer;
ScsiInquiryData = (PSCSI_INQUIRY_DATA)(BusInfo + 1);
InquiryData = (PINQUIRYDATA)ScsiInquiryData->InquiryData;
BusInfo->NumberOfBuses = 1;
BusInfo->BusData[0].NumberOfLogicalUnits = 1; //FIXME
BusInfo->BusData[0].InitiatorBusId = 0;
BusInfo->BusData[0].InquiryDataOffset = sizeof(SCSI_ADAPTER_BUS_INFO);
ScsiInquiryData->PathId = 0;
ScsiInquiryData->TargetId = 0;
ScsiInquiryData->Lun = PDODeviceExtension->LUN & MAX_LUN;
ScsiInquiryData->DeviceClaimed = PDODeviceExtension->Claimed;
ScsiInquiryData->InquiryDataLength = sizeof(INQUIRYDATA);
ScsiInquiryData->NextInquiryDataOffset = 0;
// Note: INQUIRYDATA structure is larger than INQUIRYDATABUFFERSIZE
RtlZeroMemory(InquiryData, sizeof(INQUIRYDATA));
RtlCopyMemory(InquiryData, &PDODeviceExtension->InquiryData, sizeof(PDODeviceExtension->InquiryData));
InquiryData->Versions = 0x04;
InquiryData->ResponseDataFormat = 0x02; // some devices set this to 1
Irp->IoStatus.Information = sizeof(SCSI_ADAPTER_BUS_INFO) + sizeof(SCSI_INQUIRY_DATA) + sizeof(INQUIRYDATA) - 1;
Status = STATUS_SUCCESS;
break;
}
case 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;
break;
}
default:
DPRINT("USBSTOR_HandleDeviceControl IoControl %x not supported\n", IoStack->Parameters.DeviceIoControl.IoControlCode);
Status = STATUS_NOT_SUPPORTED;
break;
}
return Status;
}