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cf494ea401
- Check if attaching to device stack failed. In that case fail the request [HIDUSB] - Always set SupriseRemovalOk [USBCCGP] [HIDCLASS] [USBHUB] [USBSTOR] - Check if the pdo is still in the pdo list. Only call IoDeleteDevice in that case svn path=/branches/usb-bringup-trunk/; revision=55429
1009 lines
24 KiB
C
1009 lines
24 KiB
C
/*
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* PROJECT: ReactOS Universal Serial Bus Bulk Storage Driver
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: drivers/usb/usbstor/pdo.c
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* PURPOSE: USB block storage device driver.
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* PROGRAMMERS:
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* James Tabor
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* Michael Martin (michael.martin@reactos.org)
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* Johannes Anderwald (johannes.anderwald@reactos.org)
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*/
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#include "usbstor.h"
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LPCSTR
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USBSTOR_GetDeviceType(
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IN PUFI_INQUIRY_RESPONSE InquiryData)
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{
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//
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// check if device type is zero
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//
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if (InquiryData->DeviceType == 0)
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{
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//
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// direct access device
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//
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//
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// FIXME: check if floppy
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//
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return "Disk";
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}
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//
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// FIXME: use constant - derrived from http://en.wikipedia.org/wiki/SCSI_Peripheral_Device_Type
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//
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switch (InquiryData->DeviceType)
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{
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case 1:
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{
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//
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// sequential device, i.e magnetic tape
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//
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return "Sequential";
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}
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case 4:
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{
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//
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// write once device
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//
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return "Worm";
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}
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case 5:
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{
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//
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// CDROM device
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//
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return "CdRom";
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}
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case 7:
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{
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//
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// optical memory device
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//
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return "Optical";
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}
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case 8:
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{
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//
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// medium change device
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//
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return "Changer";
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}
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default:
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{
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//
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// other device
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//
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return "Other";
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}
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}
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}
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LPCSTR
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USBSTOR_GetGenericType(
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IN PUFI_INQUIRY_RESPONSE InquiryData)
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{
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//
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// check if device type is zero
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//
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if (InquiryData->DeviceType == 0)
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{
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//
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// direct access device
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//
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//
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// FIXME: check if floppy
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//
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return "GenDisk";
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}
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//
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// FIXME: use constant - derrived from http://en.wikipedia.org/wiki/SCSI_Peripheral_Device_Type
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//
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switch (InquiryData->DeviceType)
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{
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case 1:
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{
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//
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// sequential device, i.e magnetic tape
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//
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return "GenSequential";
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}
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case 4:
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{
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//
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// write once device
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//
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return "GenWorm";
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}
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case 5:
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{
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//
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// CDROM device
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//
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return "GenCdRom";
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}
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case 7:
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{
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//
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// optical memory device
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//
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return "GenOptical";
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}
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case 8:
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{
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//
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// medium change device
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//
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return "GenChanger";
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}
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default:
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{
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//
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// other device
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//
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return "UsbstorOther";
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}
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}
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}
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ULONG
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CopyField(
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IN PUCHAR Name,
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IN PCHAR Buffer,
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IN ULONG MaxLength)
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{
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ULONG Index;
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for(Index = 0; Index < MaxLength; Index++)
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{
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if (Name[Index] <= ' ' || Name[Index] >= 0x7F /* last printable ascii character */ || Name[Index] == ',')
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{
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//
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// convert to underscore
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//
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Buffer[Index] = '_';
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}
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else
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{
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//
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// just copy character
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//
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Buffer[Index] = Name[Index];
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}
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}
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return MaxLength;
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}
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NTSTATUS
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USBSTOR_PdoHandleQueryDeviceText(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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//PPDO_DEVICE_EXTENSION DeviceExtension;
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PIO_STACK_LOCATION IoStack;
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LPWSTR Buffer;
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static WCHAR DeviceText[] = L"USB Mass Storage Device";
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//
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// get current stack location
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//
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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if (IoStack->Parameters.QueryDeviceText.DeviceTextType == DeviceTextDescription)
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{
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DPRINT1("USBSTOR_PdoHandleQueryDeviceText DeviceTextDescription\n");
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//
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// allocate item
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//
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Buffer = (LPWSTR)AllocateItem(PagedPool, sizeof(DeviceText));
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if (!Buffer)
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{
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//
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// no memory
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//
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Irp->IoStatus.Information = 0;
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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//
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// copy buffer
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//
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wcscpy(Buffer, DeviceText);
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//
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// save result
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//
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Irp->IoStatus.Information = (ULONG_PTR)Buffer;
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return STATUS_SUCCESS;
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}
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else
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{
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DPRINT1("USBSTOR_PdoHandleQueryDeviceText DeviceTextLocationInformation\n");
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//
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// allocate item
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//
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Buffer = (LPWSTR)AllocateItem(PagedPool, sizeof(DeviceText));
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if (!Buffer)
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{
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//
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// no memory
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//
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Irp->IoStatus.Information = 0;
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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//
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// copy buffer
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//
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wcscpy(Buffer, DeviceText);
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//
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// save result
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//
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Irp->IoStatus.Information = (ULONG_PTR)Buffer;
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return STATUS_SUCCESS;
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}
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}
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NTSTATUS
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USBSTOR_PdoHandleQueryDeviceId(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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PPDO_DEVICE_EXTENSION DeviceExtension;
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NTSTATUS Status;
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CHAR Buffer[100];
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LPCSTR DeviceType;
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ULONG Offset = 0;
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PUFI_INQUIRY_RESPONSE InquiryData;
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ANSI_STRING AnsiString;
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UNICODE_STRING DeviceId;
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//
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// get device extension
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//
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DeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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//
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// sanity check
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//
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ASSERT(DeviceExtension->InquiryData);
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//
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// get inquiry data
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//
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InquiryData = (PUFI_INQUIRY_RESPONSE)DeviceExtension->InquiryData;
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//
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// get device type
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//
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DeviceType = USBSTOR_GetDeviceType(InquiryData);
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//
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// zero buffer
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//
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RtlZeroMemory(Buffer, sizeof(Buffer));
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//
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// lets create device string
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//
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Offset = sprintf(&Buffer[Offset], "USBSTOR\\");
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Offset += sprintf(&Buffer[Offset], DeviceType);
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Offset += sprintf(&Buffer[Offset], "&Ven_");
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Offset += CopyField(InquiryData->Vendor, &Buffer[Offset], 8);
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Offset += sprintf(&Buffer[Offset], "&Prod_");
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Offset += CopyField(InquiryData->Product, &Buffer[Offset], 16);
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Offset += sprintf(&Buffer[Offset], "&Rev_");
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Offset += CopyField(InquiryData->Revision, &Buffer[Offset], 4);
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//
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// now initialize ansi string
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//
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RtlInitAnsiString(&AnsiString, (PCSZ)Buffer);
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//
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// allocate DeviceId string
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//
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DeviceId.Length = 0;
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DeviceId.MaximumLength = (strlen((PCHAR)Buffer) + 1) * sizeof(WCHAR);
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DeviceId.Buffer = (LPWSTR)AllocateItem(PagedPool, DeviceId.MaximumLength);
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if (!DeviceId.Buffer)
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{
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//
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// no memory
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//
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Irp->IoStatus.Information = 0;
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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//
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// convert to unicode
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//
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Status = RtlAnsiStringToUnicodeString(&DeviceId, &AnsiString, FALSE);
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if (NT_SUCCESS(Status))
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{
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//
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// store result
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//
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Irp->IoStatus.Information = (ULONG_PTR)DeviceId.Buffer;
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}
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DPRINT1("DeviceId %wZ Status %x\n", &DeviceId, Status);
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//
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// done
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//
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return Status;
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}
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VOID
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USBSTOR_ConvertToUnicodeString(
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IN CHAR * Buffer,
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IN ULONG ResultBufferLength,
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IN ULONG ResultBufferOffset,
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OUT LPWSTR ResultBuffer,
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OUT PULONG NewResultBufferOffset)
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{
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UNICODE_STRING DeviceString;
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ANSI_STRING AnsiString;
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NTSTATUS Status;
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ASSERT(ResultBufferLength);
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ASSERT(ResultBufferLength > ResultBufferOffset);
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DPRINT("ResultBufferOffset %lu ResultBufferLength %lu Buffer %s Length %lu\n", ResultBufferOffset, ResultBufferLength, Buffer, strlen(Buffer));
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//
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// construct destination string
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//
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DeviceString.Buffer = &ResultBuffer[ResultBufferOffset];
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DeviceString.Length = 0;
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DeviceString.MaximumLength = (ResultBufferLength - ResultBufferOffset) * sizeof(WCHAR);
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//
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// initialize source string
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//
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RtlInitAnsiString(&AnsiString, Buffer);
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//
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// convert to unicode
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//
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Status = RtlAnsiStringToUnicodeString(&DeviceString, &AnsiString, FALSE);
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ASSERT(Status == STATUS_SUCCESS);
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//
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// subtract consumed bytes
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//
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ResultBufferLength -= (DeviceString.Length + sizeof(WCHAR)) / sizeof(WCHAR);
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ResultBufferOffset += (DeviceString.Length + sizeof(WCHAR)) / sizeof(WCHAR);
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//
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// store new offset
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//
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*NewResultBufferOffset = ResultBufferOffset;
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}
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NTSTATUS
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USBSTOR_PdoHandleQueryHardwareId(
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IN PDEVICE_OBJECT DeviceObject,
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IN OUT PIRP Irp)
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{
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PPDO_DEVICE_EXTENSION PDODeviceExtension;
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PFDO_DEVICE_EXTENSION FDODeviceExtension;
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LPCSTR GenericType, DeviceType;
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LPWSTR Buffer;
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CHAR Id1[50], Id2[50], Id3[50], Id4[50], Id5[50], Id6[50];
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ULONG Id1Length, Id2Length, Id3Length, Id4Length, Id5Length,Id6Length;
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ULONG Offset, TotalLength, Length;
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PUFI_INQUIRY_RESPONSE InquiryData;
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//
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// get PDO device extension
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//
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PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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//
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// get FDO device extension
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//
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FDODeviceExtension = (PFDO_DEVICE_EXTENSION)PDODeviceExtension->LowerDeviceObject->DeviceExtension;
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//
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// sanity check
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//
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ASSERT(FDODeviceExtension->DeviceDescriptor);
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//
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// get inquiry data
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//
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InquiryData = (PUFI_INQUIRY_RESPONSE)PDODeviceExtension->InquiryData;
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//
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// get device type and generic type
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//
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DeviceType = USBSTOR_GetDeviceType(InquiryData);
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GenericType = USBSTOR_GetGenericType(InquiryData);
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ASSERT(GenericType);
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//
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// generate id 1
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// USBSTOR\SCSIType_Vendor(8)_Product(16)_Revision(4)
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//
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RtlZeroMemory(Id1, sizeof(Id1));
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Offset = 0;
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Offset = sprintf(&Id1[Offset], "USBSTOR\\");
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Offset += sprintf(&Id1[Offset], DeviceType);
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Offset += CopyField(InquiryData->Vendor, &Id1[Offset], 8);
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Offset += CopyField(InquiryData->Product, &Id1[Offset], 16);
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Offset += CopyField(InquiryData->Revision, &Id1[Offset], 4);
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Id1Length = strlen(Id1) + 1;
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DPRINT1("USBSTOR_PdoHandleQueryHardwareId HardwareId1 %s\n", Id1);
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//
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// generate id 2
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// USBSTOR\SCSIType_VENDOR(8)_Product(16)
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//
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RtlZeroMemory(Id2, sizeof(Id2));
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Offset = 0;
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Offset = sprintf(&Id2[Offset], "USBSTOR\\");
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Offset += sprintf(&Id2[Offset], DeviceType);
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Offset += CopyField(InquiryData->Vendor, &Id2[Offset], 8);
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Offset += CopyField(InquiryData->Product, &Id2[Offset], 16);
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Id2Length = strlen(Id2) + 1;
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DPRINT1("USBSTOR_PdoHandleQueryHardwareId HardwareId2 %s\n", Id2);
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//
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// generate id 3
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// USBSTOR\SCSIType_VENDOR(8)
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//
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RtlZeroMemory(Id3, sizeof(Id3));
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Offset = 0;
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Offset = sprintf(&Id3[Offset], "USBSTOR\\");
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Offset += sprintf(&Id3[Offset], DeviceType);
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Offset += CopyField(InquiryData->Vendor, &Id3[Offset], 8);
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Id3Length = strlen(Id3) + 1;
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DPRINT1("USBSTOR_PdoHandleQueryHardwareId HardwareId3 %s\n", Id3);
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//
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// generate id 4
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// USBSTOR\SCSIType_VENDOR(8)_Product(16)_Revision(1)
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//
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RtlZeroMemory(Id4, sizeof(Id4));
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Offset = 0;
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Offset = sprintf(&Id4[Offset], "USBSTOR\\");
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Offset += sprintf(&Id4[Offset], DeviceType);
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Offset += CopyField(InquiryData->Vendor, &Id4[Offset], 8);
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Offset += CopyField(InquiryData->Product, &Id4[Offset], 16);
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Offset += CopyField(InquiryData->Revision, &Id4[Offset], 1);
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Id4Length = strlen(Id4) + 1;
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DPRINT1("USBSTOR_PdoHandleQueryHardwareId HardwareId4 %s\n", Id4);
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//
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// generate id 5
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// USBSTOR\SCSIType
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//
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RtlZeroMemory(Id5, sizeof(Id5));
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Offset = 0;
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Offset = sprintf(&Id5[Offset], "USBSTOR\\");
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Offset += sprintf(&Id5[Offset], GenericType);
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Id5Length = strlen(Id5) + 1;
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DPRINT1("USBSTOR_PdoHandleQueryHardwareId HardwareId5 %s\n", Id5);
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//
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// generate id 6
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// SCSIType
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//
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RtlZeroMemory(Id6, sizeof(Id6));
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Offset = 0;
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Offset = sprintf(&Id6[Offset], GenericType);
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Id6Length = strlen(Id6) + 1;
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DPRINT1("USBSTOR_PdoHandleQueryHardwareId HardwareId6 %s\n", Id6);
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//
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// compute total length
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//
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TotalLength = Id1Length + Id2Length + Id3Length + Id4Length + Id5Length + Id6Length + 1;
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|
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//
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// allocate buffer
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//
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Buffer = (LPWSTR)AllocateItem(PagedPool, TotalLength * sizeof(WCHAR));
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if (!Buffer)
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{
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//
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// no memory
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//
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Irp->IoStatus.Information = 0;
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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|
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//
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// reset offset
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//
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Offset = 0;
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Length = TotalLength;
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USBSTOR_ConvertToUnicodeString(Id1, Length, Offset, Buffer, &Offset);
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USBSTOR_ConvertToUnicodeString(Id2, Length, Offset, Buffer, &Offset);
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USBSTOR_ConvertToUnicodeString(Id3, Length, Offset, Buffer, &Offset);
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USBSTOR_ConvertToUnicodeString(Id4, Length, Offset, Buffer, &Offset);
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USBSTOR_ConvertToUnicodeString(Id5, Length, Offset, Buffer, &Offset);
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USBSTOR_ConvertToUnicodeString(Id6, Length, Offset, Buffer, &Offset);
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|
|
|
//
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|
// sanity check
|
|
//
|
|
ASSERT(Offset + 1 == Length);
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|
|
//
|
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// store result
|
|
//
|
|
Irp->IoStatus.Information = (ULONG_PTR)Buffer;
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|
|
|
//
|
|
// done
|
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//
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS
|
|
USBSTOR_PdoHandleQueryCompatibleId(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN OUT PIRP Irp)
|
|
{
|
|
PPDO_DEVICE_EXTENSION PDODeviceExtension;
|
|
PFDO_DEVICE_EXTENSION FDODeviceExtension;
|
|
CHAR Buffer[100];
|
|
ULONG Length, Offset;
|
|
LPWSTR InstanceId;
|
|
LPCSTR DeviceType;
|
|
|
|
//
|
|
// get PDO device extension
|
|
//
|
|
PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
|
|
|
|
//
|
|
// get FDO device extension
|
|
//
|
|
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)PDODeviceExtension->LowerDeviceObject->DeviceExtension;
|
|
|
|
//
|
|
// sanity check
|
|
//
|
|
ASSERT(FDODeviceExtension->DeviceDescriptor);
|
|
|
|
//
|
|
// get target device type
|
|
//
|
|
DeviceType = USBSTOR_GetDeviceType((PUFI_INQUIRY_RESPONSE)PDODeviceExtension->InquiryData);
|
|
|
|
//
|
|
// zero memory
|
|
//
|
|
RtlZeroMemory(Buffer, sizeof(Buffer));
|
|
|
|
//
|
|
// format instance id
|
|
//
|
|
Length = sprintf(Buffer, "USBSTOR\\%s", DeviceType) + 1;
|
|
Length += sprintf(&Buffer[Length], "USBSTOR\\%s", "RAW") + 2;
|
|
|
|
//
|
|
// allocate instance id
|
|
//
|
|
InstanceId = (LPWSTR)AllocateItem(PagedPool, Length * sizeof(WCHAR));
|
|
if (!InstanceId)
|
|
{
|
|
//
|
|
// no memory
|
|
//
|
|
Irp->IoStatus.Information = 0;
|
|
return STATUS_INSUFFICIENT_RESOURCES;
|
|
}
|
|
|
|
USBSTOR_ConvertToUnicodeString(Buffer, Length, 0, InstanceId, &Offset);
|
|
USBSTOR_ConvertToUnicodeString(&Buffer[Offset], Length, Offset, InstanceId, &Offset);
|
|
|
|
DPRINT1("USBSTOR_PdoHandleQueryCompatibleId %S\n", InstanceId);
|
|
|
|
//
|
|
// store result
|
|
//
|
|
Irp->IoStatus.Information = (ULONG_PTR)InstanceId;
|
|
|
|
//
|
|
// completed successfully
|
|
//
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS
|
|
USBSTOR_PdoHandleQueryInstanceId(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN OUT PIRP Irp)
|
|
{
|
|
PPDO_DEVICE_EXTENSION PDODeviceExtension;
|
|
PFDO_DEVICE_EXTENSION FDODeviceExtension;
|
|
WCHAR Buffer[100];
|
|
ULONG Length;
|
|
LPWSTR InstanceId;
|
|
|
|
//
|
|
// get PDO device extension
|
|
//
|
|
PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
|
|
|
|
//
|
|
// get FDO device extension
|
|
//
|
|
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)PDODeviceExtension->LowerDeviceObject->DeviceExtension;
|
|
|
|
//
|
|
// format instance id
|
|
//
|
|
if (FDODeviceExtension->SerialNumber)
|
|
{
|
|
//
|
|
// using serial number from device
|
|
//
|
|
swprintf(Buffer, L"%s&%d", FDODeviceExtension->SerialNumber->bString, PDODeviceExtension->LUN);
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// FIXME: should use some random value
|
|
//
|
|
swprintf(Buffer, L"%s&%d", L"00000000", PDODeviceExtension->LUN);
|
|
}
|
|
|
|
//
|
|
// calculate length
|
|
//
|
|
Length = wcslen(Buffer) + 1;
|
|
|
|
//
|
|
// allocate instance id
|
|
//
|
|
InstanceId = (LPWSTR)AllocateItem(PagedPool, Length * sizeof(WCHAR));
|
|
if (!InstanceId)
|
|
{
|
|
//
|
|
// no memory
|
|
//
|
|
Irp->IoStatus.Information = 0;
|
|
return STATUS_INSUFFICIENT_RESOURCES;
|
|
}
|
|
|
|
//
|
|
// copy instance id
|
|
//
|
|
wcscpy(InstanceId, Buffer);
|
|
|
|
DPRINT1("USBSTOR_PdoHandleQueryInstanceId %S\n", InstanceId);
|
|
|
|
//
|
|
// store result
|
|
//
|
|
Irp->IoStatus.Information = (ULONG_PTR)InstanceId;
|
|
|
|
//
|
|
// completed successfully
|
|
//
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS
|
|
USBSTOR_PdoHandleDeviceRelations(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN OUT PIRP Irp)
|
|
{
|
|
PDEVICE_RELATIONS DeviceRelations;
|
|
PIO_STACK_LOCATION IoStack;
|
|
|
|
DPRINT1("USBSTOR_PdoHandleDeviceRelations\n");
|
|
|
|
//
|
|
// get current irp stack location
|
|
//
|
|
IoStack = IoGetCurrentIrpStackLocation(Irp);
|
|
|
|
//
|
|
// check if relation type is BusRelations
|
|
//
|
|
if (IoStack->Parameters.QueryDeviceRelations.Type != TargetDeviceRelation)
|
|
{
|
|
//
|
|
// PDO handles only target device relation
|
|
//
|
|
return Irp->IoStatus.Status;
|
|
}
|
|
|
|
//
|
|
// allocate device relations
|
|
//
|
|
DeviceRelations = (PDEVICE_RELATIONS)AllocateItem(PagedPool, sizeof(DEVICE_RELATIONS));
|
|
if (!DeviceRelations)
|
|
{
|
|
//
|
|
// no memory
|
|
//
|
|
return STATUS_INSUFFICIENT_RESOURCES;
|
|
}
|
|
|
|
//
|
|
// initialize device relations
|
|
//
|
|
DeviceRelations->Count = 1;
|
|
DeviceRelations->Objects[0] = DeviceObject;
|
|
ObReferenceObject(DeviceObject);
|
|
|
|
//
|
|
// store result
|
|
//
|
|
Irp->IoStatus.Information = (ULONG_PTR)DeviceRelations;
|
|
|
|
//
|
|
// completed successfully
|
|
//
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
NTSTATUS
|
|
USBSTOR_PdoHandlePnp(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN OUT PIRP Irp)
|
|
{
|
|
PIO_STACK_LOCATION IoStack;
|
|
PPDO_DEVICE_EXTENSION DeviceExtension;
|
|
NTSTATUS Status;
|
|
PDEVICE_CAPABILITIES Caps;
|
|
ULONG bDelete;
|
|
|
|
//
|
|
// get current stack location
|
|
//
|
|
IoStack = IoGetCurrentIrpStackLocation(Irp);
|
|
|
|
//
|
|
// get device extension
|
|
//
|
|
DeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
|
|
|
|
//
|
|
// sanity check
|
|
//
|
|
ASSERT(DeviceExtension->Common.IsFDO == FALSE);
|
|
|
|
switch(IoStack->MinorFunction)
|
|
{
|
|
case IRP_MN_QUERY_DEVICE_RELATIONS:
|
|
{
|
|
Status = USBSTOR_PdoHandleDeviceRelations(DeviceObject, Irp);
|
|
break;
|
|
}
|
|
case IRP_MN_QUERY_DEVICE_TEXT:
|
|
{
|
|
Status = USBSTOR_PdoHandleQueryDeviceText(DeviceObject, Irp);
|
|
break;
|
|
}
|
|
case IRP_MN_QUERY_ID:
|
|
{
|
|
if (IoStack->Parameters.QueryId.IdType == BusQueryDeviceID)
|
|
{
|
|
//
|
|
// handle query device id
|
|
//
|
|
Status = USBSTOR_PdoHandleQueryDeviceId(DeviceObject, Irp);
|
|
break;
|
|
}
|
|
else if (IoStack->Parameters.QueryId.IdType == BusQueryHardwareIDs)
|
|
{
|
|
//
|
|
// handle instance id
|
|
//
|
|
Status = USBSTOR_PdoHandleQueryHardwareId(DeviceObject, Irp);
|
|
break;
|
|
}
|
|
else if (IoStack->Parameters.QueryId.IdType == BusQueryInstanceID)
|
|
{
|
|
//
|
|
// handle instance id
|
|
//
|
|
Status = USBSTOR_PdoHandleQueryInstanceId(DeviceObject, Irp);
|
|
break;
|
|
}
|
|
else if (IoStack->Parameters.QueryId.IdType == BusQueryCompatibleIDs)
|
|
{
|
|
//
|
|
// handle instance id
|
|
//
|
|
Status = USBSTOR_PdoHandleQueryCompatibleId(DeviceObject, Irp);
|
|
break;
|
|
}
|
|
|
|
DPRINT1("USBSTOR_PdoHandlePnp: IRP_MN_QUERY_ID IdType %x unimplemented\n", IoStack->Parameters.QueryId.IdType);
|
|
Status = STATUS_NOT_SUPPORTED;
|
|
Irp->IoStatus.Information = 0;
|
|
break;
|
|
}
|
|
case IRP_MN_REMOVE_DEVICE:
|
|
{
|
|
DPRINT1("IRP_MN_REMOVE_DEVICE\n");
|
|
|
|
if(*DeviceExtension->PDODeviceObject != NULL)
|
|
{
|
|
//
|
|
// clear entry in FDO pdo list
|
|
//
|
|
*DeviceExtension->PDODeviceObject = NULL;
|
|
bDelete = TRUE;
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// device object already marked for deletion
|
|
//
|
|
bDelete = FALSE;
|
|
}
|
|
|
|
/* Complete the IRP */
|
|
Irp->IoStatus.Status = STATUS_SUCCESS;
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
|
|
if (bDelete)
|
|
{
|
|
/* Delete the device object */
|
|
IoDeleteDevice(DeviceObject);
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
case IRP_MN_QUERY_CAPABILITIES:
|
|
{
|
|
//
|
|
// just forward irp to lower device
|
|
//
|
|
Status = USBSTOR_SyncForwardIrp(DeviceExtension->LowerDeviceObject, Irp);
|
|
ASSERT(Status == STATUS_SUCCESS);
|
|
|
|
if (NT_SUCCESS(Status))
|
|
{
|
|
//
|
|
// check if no unique id
|
|
//
|
|
Caps = (PDEVICE_CAPABILITIES)IoStack->Parameters.DeviceCapabilities.Capabilities;
|
|
Caps->UniqueID = TRUE; //FIXME
|
|
Caps->Removable = TRUE; //FIXME
|
|
}
|
|
break;
|
|
}
|
|
case IRP_MN_QUERY_REMOVE_DEVICE:
|
|
case IRP_MN_QUERY_STOP_DEVICE:
|
|
{
|
|
//
|
|
// if we're not claimed it's ok
|
|
//
|
|
if (DeviceExtension->Claimed)
|
|
{
|
|
Status = STATUS_UNSUCCESSFUL;
|
|
DPRINT1("[USBSTOR] Request %x fails because device is still claimed\n", IoStack->MinorFunction);
|
|
}
|
|
else
|
|
Status = STATUS_SUCCESS;
|
|
break;
|
|
}
|
|
case IRP_MN_START_DEVICE:
|
|
{
|
|
//
|
|
// no-op for PDO
|
|
//
|
|
Status = STATUS_SUCCESS;
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
//
|
|
// do nothing
|
|
//
|
|
Status = Irp->IoStatus.Status;
|
|
}
|
|
}
|
|
|
|
//
|
|
// complete request
|
|
//
|
|
if (Status != STATUS_PENDING)
|
|
{
|
|
//
|
|
// store result
|
|
//
|
|
Irp->IoStatus.Status = Status;
|
|
|
|
//
|
|
// complete request
|
|
//
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
}
|
|
|
|
//
|
|
// done processing
|
|
//
|
|
return Status;
|
|
}
|
|
|
|
NTSTATUS
|
|
USBSTOR_CreatePDO(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
OUT PDEVICE_OBJECT *ChildDeviceObject)
|
|
{
|
|
PDEVICE_OBJECT PDO;
|
|
NTSTATUS Status;
|
|
PPDO_DEVICE_EXTENSION PDODeviceExtension;
|
|
|
|
//
|
|
// create child device object
|
|
//
|
|
Status = IoCreateDevice(DeviceObject->DriverObject, sizeof(PDO_DEVICE_EXTENSION), NULL, FILE_DEVICE_MASS_STORAGE, FILE_AUTOGENERATED_DEVICE_NAME | FILE_DEVICE_SECURE_OPEN, FALSE, &PDO);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
//
|
|
// failed to create device
|
|
//
|
|
return Status;
|
|
}
|
|
|
|
//
|
|
// patch the stack size
|
|
//
|
|
PDO->StackSize = DeviceObject->StackSize;
|
|
|
|
//
|
|
// get device extension
|
|
//
|
|
PDODeviceExtension = (PPDO_DEVICE_EXTENSION)PDO->DeviceExtension;
|
|
|
|
//
|
|
// initialize device extension
|
|
//
|
|
RtlZeroMemory(PDODeviceExtension, sizeof(PDO_DEVICE_EXTENSION));
|
|
PDODeviceExtension->Common.IsFDO = FALSE;
|
|
PDODeviceExtension->LowerDeviceObject = DeviceObject;
|
|
PDODeviceExtension->PDODeviceObject = ChildDeviceObject;
|
|
|
|
//
|
|
// set device flags
|
|
//
|
|
PDO->Flags |= DO_DIRECT_IO | DO_MAP_IO_BUFFER;
|
|
|
|
//
|
|
// device is initialized
|
|
//
|
|
PDO->Flags &= ~DO_DEVICE_INITIALIZING;
|
|
|
|
//
|
|
// output device object
|
|
//
|
|
*ChildDeviceObject = PDO;
|
|
|
|
USBSTOR_SendInquiryCmd(PDO);
|
|
|
|
//
|
|
// done
|
|
//
|
|
return Status;
|
|
}
|