/*
* 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"
#define NDEBUG
#include <debug.h>
-//
-// driver verifier
-//
+
IO_COMPLETION_ROUTINE SyncForwardIrpCompletionRoutine;
NTSTATUS
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;
}
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,
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);
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;
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;
}
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;
}
FreeItem(
IN PVOID Item)
{
- //
- // free item
- //
ExFreePoolWithTag(Item, USB_STOR_TAG);
}
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;
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,
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);
{
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
{
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
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;
}
projects / reactos.git / blobdiff