/* Filedisk PnP ID query-response routine. */
static NTSTATUS STDCALL WvFilediskPnpQueryId_(
IN PDEVICE_OBJECT dev_obj,
IN PIRP irp,
IN WVL_SP_DISK_T disk
) {
static const WCHAR * hw_ids[WvlDiskMediaTypes] = {
WVL_M_WLIT L"\\FileFloppyDisk",
WVL_M_WLIT L"\\FileHardDisk",
WVL_M_WLIT L"\\FileOpticalDisc"
};
WCHAR (*buf)[512];
NTSTATUS status;
WV_SP_FILEDISK_T filedisk = CONTAINING_RECORD(disk, WV_S_FILEDISK_T, disk);
BUS_QUERY_ID_TYPE query_type;
/* Allocate a buffer. */
buf = wv_mallocz(sizeof *buf);
if (!buf) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto err_buf;
}
/* Populate the buffer with IDs. */
query_type = IoGetCurrentIrpStackLocation(irp)->Parameters.QueryId.IdType;
switch (query_type) {
case BusQueryDeviceID:
swprintf(*buf, hw_ids[disk->Media]);
break;
case BusQueryInstanceID:
/* "Location". */
swprintf(*buf, L"Hash_%08X", filedisk->hash);
break;
case BusQueryHardwareIDs:
swprintf(
*buf + swprintf(*buf, hw_ids[disk->Media]) + 1,
WvlDiskCompatIds[disk->Media]
);
break;
case BusQueryCompatibleIDs:
swprintf(*buf, WvlDiskCompatIds[disk->Media]);
default:
DBG("Unknown query type %d for %p!\n", query_type, filedisk);
status = STATUS_INVALID_PARAMETER;
goto err_query_type;
}
DBG("IRP_MN_QUERY_ID for file-backed disk %p.\n", filedisk);
return WvlIrpComplete(irp, (ULONG_PTR) buf, STATUS_SUCCESS);
err_query_type:
wv_free(buf);
err_buf:
return WvlIrpComplete(irp, 0, status);
}
/**
* Handle a disk IRP_MJ_DEVICE_CONTROL IRP.
*
* @v Disk The disk to process with the IRP.
* @v Irp The IRP to process with the disk.
* @v Code The device control code.
* @ret NTSTATUS The status of the operation.
*/
WVL_M_LIB NTSTATUS STDCALL WvlDiskDevCtl(
IN WVL_SP_DISK_T Disk,
IN PIRP Irp,
IN ULONG POINTER_ALIGNMENT Code
) {
switch (Code) {
case IOCTL_STORAGE_QUERY_PROPERTY:
return WvlDiskDevCtlStorageQueryProp_(Disk, Irp);
case IOCTL_DISK_GET_DRIVE_GEOMETRY:
return WvlDiskDevCtlGetGeom_(Disk, Irp);
case IOCTL_SCSI_GET_ADDRESS:
return WvlDiskDevCtlScsiGetAddr_(Disk, Irp);
/* Some cases that pop up on Windows Server 2003. */
#if 0
case IOCTL_MOUNTDEV_UNIQUE_ID_CHANGE_NOTIFY:
case IOCTL_MOUNTDEV_LINK_CREATED:
case IOCTL_MOUNTDEV_QUERY_STABLE_GUID:
case IOCTL_VOLUME_ONLINE:
return WvlIrpComplete(Irp, 0, STATUS_SUCCESS);
#endif
}
return WvlIrpComplete(Irp, 0, STATUS_INVALID_PARAMETER);
}
static NTSTATUS STDCALL AoeBusDevCtlDetach_(IN PIRP irp) {
PIO_STACK_LOCATION io_stack_loc = IoGetCurrentIrpStackLocation(irp);
UINT32 unit_num;
WVL_SP_BUS_NODE walker;
AOE_SP_DISK aoe_disk = NULL;
unit_num = *((PUINT32) irp->AssociatedIrp.SystemBuffer);
DBG("Request to detach unit: %d\n", unit_num);
walker = NULL;
/* For each node on the bus... */
WvlBusLock(&AoeBusMain);
while (walker = WvlBusGetNextNode(&AoeBusMain, walker)) {
aoe_disk = CONTAINING_RECORD(walker, AOE_S_DISK, BusNode[0]);
/* If the unit number matches... */
if (WvlBusGetNodeNum(walker) == unit_num) {
/* If it's not a boot-time device... */
if (aoe_disk->Boot) {
DBG("Cannot detach a boot-time device.\n");
/* Signal error. */
aoe_disk = NULL;
break;
}
}
}
WvlBusUnlock(&AoeBusMain);
if (!aoe_disk) {
DBG("Unit %d not found.\n", unit_num);
return WvlIrpComplete(irp, 0, STATUS_INVALID_PARAMETER);
}
/* Detach the node. */
WvlBusRemoveNode(aoe_disk->BusNode);
DBG("Removed unit %d.\n", unit_num);
return WvlIrpComplete(irp, 0, STATUS_SUCCESS);
}
/* Dummy PnP IRP handler. */
static NTSTATUS STDCALL WvDummyPnp(
IN WV_SP_DEV_T dev,
IN PIRP irp,
IN UCHAR code
) {
switch (code) {
case IRP_MN_QUERY_ID:
/* The WV_S_DEV_T extension points to the dummy IDs. */
return WvDummyIds(irp, dev->ext);
case IRP_MN_QUERY_REMOVE_DEVICE:
return WvlIrpComplete(irp, 0, STATUS_SUCCESS);
case IRP_MN_REMOVE_DEVICE:
/* Any error status for the removal slips away, here. */
WvBusRemoveDev(dev);
return WvlIrpComplete(irp, 0, STATUS_SUCCESS);
default:
/* Return whatever upper drivers in the stack yielded. */
return WvlIrpComplete(
irp,
irp->IoStatus.Information,
irp->IoStatus.Status
);
}
}
/**
* Handle a PnP ID query with a WV_S_DUMMY_IDS object.
*
* @v Irp The PnP ID query IRP to handle.
* @v DummyIds The object containing the IDs to respond with.
* @ret NTSTATUS The status of the operation.
*/
static NTSTATUS STDCALL WvDummyIds(
IN PIRP Irp,
IN WV_SP_DUMMY_IDS DummyIds
) {
PIO_STACK_LOCATION io_stack_loc = IoGetCurrentIrpStackLocation(Irp);
BUS_QUERY_ID_TYPE query_type = io_stack_loc->Parameters.QueryId.IdType;
const CHAR * start;
const WCHAR * ids;
UINT32 len;
NTSTATUS status;
start = (const CHAR *) DummyIds + DummyIds->Offset;
ids = (const WCHAR *) start;
switch (query_type) {
case BusQueryDeviceID:
ids += DummyIds->DevOffset;
len = DummyIds->DevLen;
break;
case BusQueryInstanceID:
ids += DummyIds->InstanceOffset;
len = DummyIds->InstanceLen;
break;
case BusQueryHardwareIDs:
ids += DummyIds->HardwareOffset;
len = DummyIds->HardwareLen;
break;
case BusQueryCompatibleIDs:
ids += DummyIds->CompatOffset;
len = DummyIds->CompatLen;
break;
default:
return WvlIrpComplete(Irp, 0, STATUS_NOT_SUPPORTED);
}
/* Allocate the return buffer. */
Irp->IoStatus.Information = (ULONG_PTR) wv_palloc(len * sizeof *ids);
if (Irp->IoStatus.Information == 0) {
DBG("wv_palloc failed.\n");
status = STATUS_INSUFFICIENT_RESOURCES;
goto alloc_info;
}
/* Copy the working buffer to the return buffer. */
RtlCopyMemory(
(PVOID) Irp->IoStatus.Information,
ids,
len * sizeof *ids
);
status = STATUS_SUCCESS;
/* irp->IoStatus.Information not freed. */
alloc_info:
return WvlIrpComplete(Irp, Irp->IoStatus.Information, status);
}
/* Handle an IRP. */
static NTSTATUS WvFilediskIrpDispatch(
IN PDEVICE_OBJECT dev_obj,
IN PIRP irp
) {
PIO_STACK_LOCATION io_stack_loc;
WV_SP_FILEDISK_T filedisk;
NTSTATUS status;
io_stack_loc = IoGetCurrentIrpStackLocation(irp);
filedisk = dev_obj->DeviceExtension;
switch (io_stack_loc->MajorFunction) {
case IRP_MJ_SCSI:
return WvlDiskScsi(dev_obj, irp, filedisk->disk);
case IRP_MJ_PNP:
status = WvlDiskPnp(dev_obj, irp, filedisk->disk);
/* Note any state change. */
filedisk->Dev->OldState = filedisk->disk->OldState;
filedisk->Dev->State = filedisk->disk->State;
if (filedisk->Dev->State == WvlDiskStateNotStarted) {
if (!filedisk->Dev->BusNode.Linked) {
/* Unlinked _and_ deleted */
DBG("Deleting filedisk PDO: %p", dev_obj);
IoDeleteDevice(dev_obj);
}
}
return status;
case IRP_MJ_DEVICE_CONTROL:
return WvlDiskDevCtl(
filedisk->disk,
irp,
io_stack_loc->Parameters.DeviceIoControl.IoControlCode
);
case IRP_MJ_POWER:
return WvlDiskPower(dev_obj, irp, filedisk->disk);
case IRP_MJ_CREATE:
case IRP_MJ_CLOSE:
/* Always succeed with nothing to do. */
return WvlIrpComplete(irp, 0, STATUS_SUCCESS);
case IRP_MJ_SYSTEM_CONTROL:
return WvlDiskSysCtl(dev_obj, irp, filedisk->disk);
default:
DBG("Unhandled IRP_MJ_*: %d\n", io_stack_loc->MajorFunction);
}
return WvlIrpComplete(irp, 0, STATUS_NOT_SUPPORTED);
}
/**
* Handle a dummy IOCTL for creating a dummy PDO.
*
* @v Irp An IRP with an associated buffer containing
* WV_S_DUMMY_IDS data.
* @ret NTSTATUS The status of the operation.
*/
NTSTATUS STDCALL WvDummyIoctl(IN PIRP Irp) {
WV_SP_DUMMY_IDS dummy_ids = Irp->AssociatedIrp.SystemBuffer;
PIO_STACK_LOCATION io_stack_loc = IoGetCurrentIrpStackLocation(Irp);
if (
io_stack_loc->Parameters.DeviceIoControl.InputBufferLength <
sizeof *dummy_ids
) {
DBG("Dummy IDs too small in IRP %p.\n", Irp);
return WvlIrpComplete(Irp, 0, STATUS_INVALID_PARAMETER);
}
return WvlIrpComplete(Irp, 0, WvDummyAdd_(dummy_ids, NULL));
}
static NTSTATUS STDCALL WvlDiskDevCtlScsiGetAddr_(
IN WVL_SP_DISK_T disk,
IN PIRP irp
) {
PIO_STACK_LOCATION io_stack_loc= IoGetCurrentIrpStackLocation(irp);
UINT32 copy_size;
SCSI_ADDRESS scsi_address;
copy_size = (
io_stack_loc->Parameters.DeviceIoControl.OutputBufferLength <
sizeof (SCSI_ADDRESS) ?
io_stack_loc->Parameters.DeviceIoControl.OutputBufferLength :
sizeof (SCSI_ADDRESS)
);
scsi_address.Length = sizeof (SCSI_ADDRESS);
scsi_address.PortNumber = 0;
scsi_address.PathId = 0;
scsi_address.TargetId = WvlDiskUnitNum(disk);
scsi_address.Lun = 0;
RtlCopyMemory(
irp->AssociatedIrp.SystemBuffer,
&scsi_address,
copy_size
);
return WvlIrpComplete(irp, (ULONG_PTR) copy_size, STATUS_SUCCESS);
}
static NTSTATUS STDCALL WvlDiskDevCtlGetGeom_(
IN WVL_SP_DISK_T disk,
IN PIRP irp
) {
PIO_STACK_LOCATION io_stack_loc = IoGetCurrentIrpStackLocation(irp);
UINT32 copy_size;
DISK_GEOMETRY disk_geom;
copy_size = (
io_stack_loc->Parameters.DeviceIoControl.OutputBufferLength <
sizeof (DISK_GEOMETRY) ?
io_stack_loc->Parameters.DeviceIoControl.OutputBufferLength :
sizeof (DISK_GEOMETRY)
);
disk_geom.MediaType = FixedMedia;
disk_geom.Cylinders.QuadPart = disk->Cylinders;
disk_geom.TracksPerCylinder = disk->Heads;
disk_geom.SectorsPerTrack = disk->Sectors;
disk_geom.BytesPerSector = disk->SectorSize;
RtlCopyMemory(
irp->AssociatedIrp.SystemBuffer,
&disk_geom,
copy_size
);
return WvlIrpComplete(irp, (ULONG_PTR) copy_size, STATUS_SUCCESS);
}
NTSTATUS STDCALL WvDiskPnpQueryDevText(
IN PDEVICE_OBJECT dev_obj,
IN PIRP irp,
IN WVL_SP_DISK_T disk
) {
IN WV_SP_DEV_T dev = WvDevFromDevObj(dev_obj);
WCHAR (*str)[512];
PIO_STACK_LOCATION io_stack_loc = IoGetCurrentIrpStackLocation(irp);
NTSTATUS status;
UINT32 str_len;
/* Allocate a string buffer. */
str = wv_mallocz(sizeof *str);
if (str == NULL) {
DBG("wv_malloc IRP_MN_QUERY_DEVICE_TEXT\n");
status = STATUS_INSUFFICIENT_RESOURCES;
goto alloc_str;
}
/* Determine the query type. */
switch (io_stack_loc->Parameters.QueryDeviceText.DeviceTextType) {
case DeviceTextDescription:
str_len = swprintf(*str, WVL_M_WLIT L" Disk") + 1;
irp->IoStatus.Information =
(ULONG_PTR) wv_palloc(str_len * sizeof *str);
if (irp->IoStatus.Information == 0) {
DBG("wv_palloc DeviceTextDescription\n");
status = STATUS_INSUFFICIENT_RESOURCES;
goto alloc_info;
}
RtlCopyMemory(
(PWCHAR) irp->IoStatus.Information,
str,
str_len * sizeof *str
);
status = STATUS_SUCCESS;
goto alloc_info;
case DeviceTextLocationInformation:
if (disk->disk_ops.PnpQueryId) {
io_stack_loc->MinorFunction = IRP_MN_QUERY_ID;
io_stack_loc->Parameters.QueryId.IdType = BusQueryInstanceID;
return disk->disk_ops.PnpQueryId(dev_obj, irp, disk);
}
/* Else, fall through... */
default:
irp->IoStatus.Information = 0;
status = STATUS_NOT_SUPPORTED;
}
/* irp->IoStatus.Information not freed. */
alloc_info:
wv_free(str);
alloc_str:
return WvlIrpComplete(irp, irp->IoStatus.Information, status);
}
/* Handle an IRP. */
NTSTATUS AoeBusIrpDispatch(
IN PDEVICE_OBJECT dev_obj,
IN PIRP irp
) {
PIO_STACK_LOCATION io_stack_loc;
NTSTATUS status;
ULONG POINTER_ALIGNMENT code;
io_stack_loc = IoGetCurrentIrpStackLocation(irp);
switch (io_stack_loc->MajorFunction) {
case IRP_MJ_PNP:
status = WvlBusPnp(&AoeBusMain, irp);
/* Did the bus detach? */
if (AoeBusMain.State == WvlBusStateDeleted) {
AoeStop();
/* Delete. */
IoDeleteDevice(AoeBusMain.Fdo);
/* Disassociate. */
AoeBusMain.Fdo = NULL;
}
return status;
case IRP_MJ_DEVICE_CONTROL:
code = io_stack_loc->Parameters.DeviceIoControl.IoControlCode;
return AoeBusDevCtl(irp, code);
case IRP_MJ_POWER:
return WvlBusPower(&AoeBusMain, irp);
case IRP_MJ_CREATE:
case IRP_MJ_CLOSE:
/* Always succeed with nothing to do. */
return WvlIrpComplete(irp, 0, STATUS_SUCCESS);
case IRP_MJ_SYSTEM_CONTROL:
return WvlBusSysCtl(&AoeBusMain, irp);
default:
;
}
return WvlIrpComplete(irp, 0, STATUS_NOT_SUPPORTED);
}
NTSTATUS STDCALL AoeBusDevCtl(
IN PIRP irp,
IN ULONG POINTER_ALIGNMENT code
) {
switch(code) {
case IOCTL_AOE_SCAN:
return AoeBusDevCtlScan(irp);
case IOCTL_AOE_SHOW:
return AoeBusDevCtlShow(irp);
case IOCTL_AOE_MOUNT:
return AoeBusDevCtlMount(irp);
case IOCTL_AOE_UMOUNT:
return AoeBusDevCtlDetach_(irp);
default:
DBG("Unsupported IOCTL\n");
return WvlIrpComplete(irp, 0, STATUS_NOT_SUPPORTED);
}
}
/* Handle an IRP. */
static NTSTATUS WvDummyIrpDispatch(
IN PDEVICE_OBJECT dev_obj,
IN PIRP irp
) {
PIO_STACK_LOCATION io_stack_loc;
WV_SP_DEV_T dev;
io_stack_loc = IoGetCurrentIrpStackLocation(irp);
dev = WvDevFromDevObj(dev_obj);
switch (io_stack_loc->MajorFunction) {
case IRP_MJ_PNP:
return WvDummyPnp(
dev,
irp,
io_stack_loc->MinorFunction
);
default:
DBG("Unhandled IRP_MJ_*: %d\n", io_stack_loc->MajorFunction);
}
return WvlIrpComplete(irp, 0, STATUS_NOT_SUPPORTED);
}
/* Filedisk I/O routine. */
static NTSTATUS STDCALL WvFilediskIo_(
IN WVL_SP_DISK_T disk_ptr,
IN WVL_E_DISK_IO_MODE mode,
IN LONGLONG start_sector,
IN UINT32 sector_count,
IN PUCHAR buffer,
IN PIRP irp
) {
WV_SP_FILEDISK_T filedisk_ptr;
LARGE_INTEGER offset;
NTSTATUS status;
IO_STATUS_BLOCK io_status;
if (sector_count < 1) {
/* A silly request. */
DBG("sector_count < 1; cancelling\n");
return WvlIrpComplete(irp, 0, STATUS_CANCELLED);
}
/* Establish pointer to the filedisk. */
filedisk_ptr = CONTAINING_RECORD(disk_ptr, WV_S_FILEDISK_T, disk);
/*
* These SCSI read/write IRPs should be completed in the thread context.
* Check if the IRP was already marked pending.
*/
if (!(IoGetCurrentIrpStackLocation(irp)->Control & SL_PENDING_RETURNED)) {
/* Enqueue and signal work. */
IoMarkIrpPending(irp);
ExInterlockedInsertTailList(
filedisk_ptr->Irps,
&irp->Tail.Overlay.ListEntry,
filedisk_ptr->IrpsLock
);
KeSetEvent(&filedisk_ptr->Thread->Signal, 0, FALSE);
return STATUS_PENDING;
}
/* Calculate the offset. */
offset.QuadPart = start_sector * disk_ptr->SectorSize;
offset.QuadPart += filedisk_ptr->offset.QuadPart;
/* Perform the read/write. */
if (mode == WvlDiskIoModeWrite) {
status = ZwWriteFile(
filedisk_ptr->file,
NULL,
NULL,
NULL,
&io_status,
buffer,
sector_count * disk_ptr->SectorSize,
&offset,
NULL
);
} else {
status = ZwReadFile(
filedisk_ptr->file,
NULL,
NULL,
NULL,
&io_status,
buffer,
sector_count * disk_ptr->SectorSize,
&offset,
NULL
);
/* When the MBR is read, re-determine the disk geometry. */
if (!start_sector)
WvlDiskGuessGeometry((WVL_AP_DISK_BOOT_SECT) buffer, disk_ptr);
}
return WvlIrpComplete(irp, sector_count * disk_ptr->SectorSize, status);
}
static NTSTATUS STDCALL AoeBusPnpQueryDevText_(
IN WVL_SP_BUS_T bus,
IN PIRP irp
) {
WCHAR (*str)[512];
PIO_STACK_LOCATION io_stack_loc = IoGetCurrentIrpStackLocation(irp);
NTSTATUS status;
UINT32 str_len;
/* Allocate a string buffer. */
str = wv_mallocz(sizeof *str);
if (str == NULL) {
DBG("wv_malloc IRP_MN_QUERY_DEVICE_TEXT\n");
status = STATUS_INSUFFICIENT_RESOURCES;
goto alloc_str;
}
/* Determine the query type. */
switch (io_stack_loc->Parameters.QueryDeviceText.DeviceTextType) {
case DeviceTextDescription:
str_len = swprintf(*str, L"AoE Bus") + 1;
irp->IoStatus.Information =
(ULONG_PTR) wv_palloc(str_len * sizeof **str);
if (irp->IoStatus.Information == 0) {
DBG("wv_palloc DeviceTextDescription\n");
status = STATUS_INSUFFICIENT_RESOURCES;
goto alloc_info;
}
RtlCopyMemory(
(PWCHAR) irp->IoStatus.Information,
str,
str_len * sizeof **str
);
status = STATUS_SUCCESS;
goto alloc_info;
case DeviceTextLocationInformation:
str_len = AoeBusPnpId_(
NULL,
BusQueryInstanceID,
str
);
irp->IoStatus.Information =
(ULONG_PTR) wv_palloc(str_len * sizeof **str);
if (irp->IoStatus.Information == 0) {
DBG("wv_palloc DeviceTextLocationInformation\n");
status = STATUS_INSUFFICIENT_RESOURCES;
goto alloc_info;
}
RtlCopyMemory(
(PWCHAR) irp->IoStatus.Information,
str,
str_len * sizeof **str
);
status = STATUS_SUCCESS;
goto alloc_info;
default:
irp->IoStatus.Information = 0;
status = STATUS_NOT_SUPPORTED;
}
/* irp->IoStatus.Information not freed. */
alloc_info:
wv_free(str);
alloc_str:
return WvlIrpComplete(irp, irp->IoStatus.Information, status);
}
static NTSTATUS STDCALL WvlDiskDevCtlStorageQueryProp_(
IN WVL_SP_DISK_T disk,
IN PIRP irp
) {
PIO_STACK_LOCATION io_stack_loc = IoGetCurrentIrpStackLocation(irp);
NTSTATUS status = STATUS_INVALID_PARAMETER;
PSTORAGE_PROPERTY_QUERY storage_prop_query = irp->AssociatedIrp.SystemBuffer;
UINT32 copy_size;
STORAGE_ADAPTER_DESCRIPTOR storage_adapter_desc;
STORAGE_DEVICE_DESCRIPTOR storage_dev_desc;
if (
storage_prop_query->PropertyId == StorageAdapterProperty &&
storage_prop_query->QueryType == PropertyStandardQuery
) {
copy_size = (
io_stack_loc->Parameters.DeviceIoControl.OutputBufferLength <
sizeof (STORAGE_ADAPTER_DESCRIPTOR) ?
io_stack_loc->Parameters.DeviceIoControl.OutputBufferLength :
sizeof (STORAGE_ADAPTER_DESCRIPTOR)
);
storage_adapter_desc.Version = sizeof (STORAGE_ADAPTER_DESCRIPTOR);
storage_adapter_desc.Size = sizeof (STORAGE_ADAPTER_DESCRIPTOR);
storage_adapter_desc.MaximumTransferLength =
WvlDiskMaxXferLen(disk);
#if 0
storage_adapter_desc.MaximumTransferLength = SECTORSIZE * POOLSIZE;
#endif
storage_adapter_desc.MaximumPhysicalPages = (UINT32) -1;
storage_adapter_desc.AlignmentMask = 0;
storage_adapter_desc.AdapterUsesPio = TRUE;
storage_adapter_desc.AdapterScansDown = FALSE;
storage_adapter_desc.CommandQueueing = FALSE;
storage_adapter_desc.AcceleratedTransfer = FALSE;
storage_adapter_desc.BusType = BusTypeScsi;
RtlCopyMemory(
irp->AssociatedIrp.SystemBuffer,
&storage_adapter_desc,
copy_size
);
status = STATUS_SUCCESS;
}
if (
storage_prop_query->PropertyId == StorageDeviceProperty &&
storage_prop_query->QueryType == PropertyStandardQuery
) {
copy_size = (
io_stack_loc->Parameters.DeviceIoControl.OutputBufferLength <
sizeof (STORAGE_DEVICE_DESCRIPTOR) ?
io_stack_loc->Parameters.DeviceIoControl.OutputBufferLength :
sizeof (STORAGE_DEVICE_DESCRIPTOR)
);
storage_dev_desc.Version = sizeof (STORAGE_DEVICE_DESCRIPTOR);
storage_dev_desc.Size = sizeof (STORAGE_DEVICE_DESCRIPTOR);
storage_dev_desc.DeviceType = DIRECT_ACCESS_DEVICE;
storage_dev_desc.DeviceTypeModifier = 0;
storage_dev_desc.RemovableMedia = WvlDiskIsRemovable[disk->Media];
storage_dev_desc.CommandQueueing = FALSE;
storage_dev_desc.VendorIdOffset = 0;
storage_dev_desc.ProductIdOffset = 0;
storage_dev_desc.ProductRevisionOffset = 0;
storage_dev_desc.SerialNumberOffset = 0;
storage_dev_desc.BusType = BusTypeScsi;
storage_dev_desc.RawPropertiesLength = 0;
RtlCopyMemory(
irp->AssociatedIrp.SystemBuffer,
&storage_dev_desc,
copy_size
);
status = STATUS_SUCCESS;
}
if (status == STATUS_INVALID_PARAMETER) {
DBG(
"!!Invalid IOCTL_STORAGE_QUERY_PROPERTY "
"(PropertyId: %08x / QueryType: %08x)!!\n",
storage_prop_query->PropertyId,
storage_prop_query->QueryType
);
return WvlIrpComplete(irp, 0, status);
}
return WvlIrpComplete(irp, (ULONG_PTR) copy_size, status);
}
