mirror of
https://github.com/reactos/reactos.git
synced 2024-12-28 18:15:11 +00:00
459 lines
12 KiB
C
459 lines
12 KiB
C
/*
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* PROJECT: ReactOS USB Port Driver
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* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
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* PURPOSE: USBPort I/O control functions
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* COPYRIGHT: Copyright 2017 Vadim Galyant <vgal@rambler.ru>
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*/
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#include "usbport.h"
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//#define NDEBUG
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#include <debug.h>
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VOID
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NTAPI
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USBPORT_UserGetHcName(IN PDEVICE_OBJECT FdoDevice,
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IN PUSBUSER_CONTROLLER_UNICODE_NAME ControllerName,
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IN PUSB_UNICODE_NAME UnicodeName)
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{
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PUSBPORT_DEVICE_EXTENSION FdoExtension;
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ULONG Length;
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NTSTATUS Status;
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ULONG ResultLength;
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DPRINT("USBPORT_UserGetHcName: ... \n");
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FdoExtension = FdoDevice->DeviceExtension;
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Length = ControllerName->Header.RequestBufferLength -
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sizeof(USBUSER_CONTROLLER_UNICODE_NAME);
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RtlZeroMemory(UnicodeName, Length);
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Status = IoGetDeviceProperty(FdoExtension->CommonExtension.LowerPdoDevice,
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DevicePropertyDriverKeyName,
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Length,
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UnicodeName->String,
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&ResultLength);
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if (!NT_SUCCESS(Status))
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{
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if (Status == STATUS_BUFFER_TOO_SMALL)
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{
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ControllerName->Header.UsbUserStatusCode = UsbUserBufferTooSmall;
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}
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else
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{
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ControllerName->Header.UsbUserStatusCode = UsbUserInvalidParameter;
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}
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}
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else
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{
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ControllerName->Header.UsbUserStatusCode = UsbUserSuccess;
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UnicodeName->Length = ResultLength + sizeof(UNICODE_NULL);
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}
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ControllerName->Header.ActualBufferLength = sizeof(USBUSER_CONTROLLER_UNICODE_NAME) +
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ResultLength;
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}
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NTSTATUS
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NTAPI
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USBPORT_GetSymbolicName(IN PDEVICE_OBJECT RootHubPdo,
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IN PUNICODE_STRING DestinationString)
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{
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PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
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PUNICODE_STRING RootHubName;
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PWCHAR Buffer;
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SIZE_T LengthName;
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SIZE_T Length;
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PWSTR SourceString;
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WCHAR Character;
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DPRINT("USBPORT_GetSymbolicName: ... \n");
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PdoExtension = RootHubPdo->DeviceExtension;
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RootHubName = &PdoExtension->CommonExtension.SymbolicLinkName;
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Buffer = RootHubName->Buffer;
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if (!Buffer)
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{
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return STATUS_UNSUCCESSFUL;
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}
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LengthName = RootHubName->Length;
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SourceString = ExAllocatePoolWithTag(PagedPool, LengthName, USB_PORT_TAG);
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if (!SourceString)
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{
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RtlInitUnicodeString(DestinationString, NULL);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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RtlZeroMemory(SourceString, LengthName);
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if (*Buffer == L'\\')
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{
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Buffer += 1;
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if (*Buffer == L'\\')
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{
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Buffer += 1;
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goto Exit;
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}
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Character = *Buffer;
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do
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{
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if (Character == UNICODE_NULL)
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{
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break;
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}
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Buffer += 1;
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Character = *Buffer;
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}
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while (*Buffer != L'\\');
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if (*Buffer == L'\\')
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{
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Buffer += 1;
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}
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Exit:
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Length = (ULONG_PTR)Buffer - (ULONG_PTR)RootHubName->Buffer;
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}
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else
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{
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Length = 0;
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}
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RtlCopyMemory(SourceString,
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(PVOID)((ULONG_PTR)RootHubName->Buffer + Length),
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RootHubName->Length - Length);
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RtlInitUnicodeString(DestinationString, SourceString);
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DPRINT("USBPORT_RegisterDeviceInterface: DestinationString - %wZ\n",
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DestinationString);
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return STATUS_SUCCESS;
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}
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VOID
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NTAPI
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USBPORT_UserGetRootHubName(IN PDEVICE_OBJECT FdoDevice,
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IN PUSBUSER_CONTROLLER_UNICODE_NAME RootHubName,
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IN PUSB_UNICODE_NAME UnicodeName)
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{
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PUSBPORT_DEVICE_EXTENSION FdoExtension;
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UNICODE_STRING UnicodeString;
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ULONG Length;
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ULONG ResultLength = 0;
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NTSTATUS Status;
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DPRINT("USBPORT_UserGetRootHubName: ... \n");
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FdoExtension = FdoDevice->DeviceExtension;
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Length = RootHubName->Header.RequestBufferLength -
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sizeof(USBUSER_CONTROLLER_UNICODE_NAME);
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RtlZeroMemory(UnicodeName, Length);
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Status = USBPORT_GetSymbolicName(FdoExtension->RootHubPdo, &UnicodeString);
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if (NT_SUCCESS(Status))
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{
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ResultLength = UnicodeString.Length;
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if (UnicodeString.Length > Length)
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{
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UnicodeString.Length = Length;
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Status = STATUS_BUFFER_TOO_SMALL;
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}
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if (UnicodeString.Length)
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{
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RtlCopyMemory(UnicodeName->String,
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UnicodeString.Buffer,
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UnicodeString.Length);
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}
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RtlFreeUnicodeString(&UnicodeString);
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}
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if (!NT_SUCCESS(Status))
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{
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if (Status == STATUS_BUFFER_TOO_SMALL)
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{
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RootHubName->Header.UsbUserStatusCode = UsbUserBufferTooSmall;
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}
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else
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{
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RootHubName->Header.UsbUserStatusCode = UsbUserInvalidParameter;
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}
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}
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else
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{
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RootHubName->Header.UsbUserStatusCode = UsbUserSuccess;
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UnicodeName->Length = ResultLength + sizeof(UNICODE_NULL);
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}
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RootHubName->Header.ActualBufferLength = sizeof(USBUSER_CONTROLLER_UNICODE_NAME) +
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ResultLength;
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}
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NTSTATUS
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NTAPI
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USBPORT_GetUnicodeName(IN PDEVICE_OBJECT FdoDevice,
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IN PIRP Irp,
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IN PULONG Information)
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{
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PUSB_HCD_DRIVERKEY_NAME DriverKey;
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PIO_STACK_LOCATION IoStack;
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ULONG OutputBufferLength;
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ULONG IoControlCode;
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ULONG Length;
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PUSBUSER_CONTROLLER_UNICODE_NAME ControllerName;
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PUSB_UNICODE_NAME UnicodeName;
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ULONG ActualLength;
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DPRINT("USBPORT_GetUnicodeName: ... \n");
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*Information = 0;
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DriverKey = Irp->AssociatedIrp.SystemBuffer;
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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OutputBufferLength = IoStack->Parameters.DeviceIoControl.OutputBufferLength;
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IoControlCode = IoStack->Parameters.DeviceIoControl.IoControlCode;
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if (OutputBufferLength < sizeof(USB_UNICODE_NAME))
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{
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return STATUS_BUFFER_TOO_SMALL;
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}
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Length = sizeof(USBUSER_CONTROLLER_UNICODE_NAME);
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while (TRUE)
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{
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ControllerName = ExAllocatePoolWithTag(PagedPool,
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Length,
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USB_PORT_TAG);
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if (!ControllerName)
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{
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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RtlZeroMemory(ControllerName, Length);
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ControllerName->Header.RequestBufferLength = Length;
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UnicodeName = &ControllerName->UnicodeName;
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if (IoControlCode == IOCTL_GET_HCD_DRIVERKEY_NAME)
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{
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ControllerName->Header.UsbUserRequest = USBUSER_GET_CONTROLLER_DRIVER_KEY;
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USBPORT_UserGetHcName(FdoDevice, ControllerName, UnicodeName);
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}
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else
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{
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ControllerName->Header.UsbUserRequest = USBUSER_GET_ROOTHUB_SYMBOLIC_NAME;
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USBPORT_UserGetRootHubName(FdoDevice, ControllerName, UnicodeName);
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}
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if (ControllerName->Header.UsbUserStatusCode != UsbUserBufferTooSmall)
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{
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break;
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}
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Length = ControllerName->Header.ActualBufferLength;
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ExFreePoolWithTag(ControllerName, USB_PORT_TAG);
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}
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if (ControllerName->Header.UsbUserStatusCode != UsbUserSuccess)
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{
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ExFreePoolWithTag(ControllerName, USB_PORT_TAG);
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return STATUS_UNSUCCESSFUL;
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}
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ActualLength = sizeof(ULONG) + ControllerName->UnicodeName.Length;
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DriverKey->ActualLength = ActualLength;
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if (OutputBufferLength < ActualLength)
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{
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DriverKey->DriverKeyName[0] = UNICODE_NULL;
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*Information = sizeof(USB_UNICODE_NAME);
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}
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else
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{
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RtlCopyMemory(DriverKey->DriverKeyName,
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ControllerName->UnicodeName.String,
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ControllerName->UnicodeName.Length);
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*Information = DriverKey->ActualLength;
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}
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ExFreePoolWithTag(ControllerName, USB_PORT_TAG);
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NTAPI
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USBPORT_PdoDeviceControl(IN PDEVICE_OBJECT PdoDevice,
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IN PIRP Irp)
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{
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DPRINT1("USBPORT_PdoDeviceControl: UNIMPLEMENTED. FIXME. \n");
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return 0;
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}
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NTSTATUS
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NTAPI
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USBPORT_PdoInternalDeviceControl(IN PDEVICE_OBJECT PdoDevice,
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IN PIRP Irp)
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{
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PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
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PIO_STACK_LOCATION IoStack;
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ULONG IoCtl;
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NTSTATUS Status;
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PdoExtension = PdoDevice->DeviceExtension;
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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IoCtl = IoStack->Parameters.DeviceIoControl.IoControlCode;
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//DPRINT("USBPORT_PdoInternalDeviceControl: PdoDevice - %p, Irp - %p, IoCtl - %x\n",
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// PdoDevice,
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// Irp,
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// IoCtl);
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if (IoCtl == IOCTL_INTERNAL_USB_SUBMIT_URB)
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{
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return USBPORT_HandleSubmitURB(PdoDevice, Irp, URB_FROM_IRP(Irp));
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}
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if (IoCtl == IOCTL_INTERNAL_USB_GET_ROOTHUB_PDO)
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{
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DPRINT("USBPORT_PdoInternalDeviceControl: IOCTL_INTERNAL_USB_GET_ROOTHUB_PDO\n");
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if (IoStack->Parameters.Others.Argument1)
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*(PVOID *)IoStack->Parameters.Others.Argument1 = PdoDevice;
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if (IoStack->Parameters.Others.Argument2)
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*(PVOID *)IoStack->Parameters.Others.Argument2 = PdoDevice;
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Status = STATUS_SUCCESS;
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goto Exit;
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}
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if (IoCtl == IOCTL_INTERNAL_USB_GET_HUB_COUNT)
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{
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DPRINT("USBPORT_PdoInternalDeviceControl: IOCTL_INTERNAL_USB_GET_HUB_COUNT\n");
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if (IoStack->Parameters.Others.Argument1)
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{
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++*(PULONG)IoStack->Parameters.Others.Argument1;
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}
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Status = STATUS_SUCCESS;
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goto Exit;
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}
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if (IoCtl == IOCTL_INTERNAL_USB_GET_DEVICE_HANDLE)
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{
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DPRINT("USBPORT_PdoInternalDeviceControl: IOCTL_INTERNAL_USB_GET_DEVICE_HANDLE\n");
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if (IoStack->Parameters.Others.Argument1)
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{
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*(PVOID *)IoStack->Parameters.Others.Argument1 = &PdoExtension->DeviceHandle;
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}
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Status = STATUS_SUCCESS;
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goto Exit;
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}
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if (IoCtl == IOCTL_INTERNAL_USB_SUBMIT_IDLE_NOTIFICATION)
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{
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DPRINT("USBPORT_PdoInternalDeviceControl: IOCTL_INTERNAL_USB_SUBMIT_IDLE_NOTIFICATION\n");
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return USBPORT_IdleNotification(PdoDevice, Irp);
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}
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DPRINT("USBPORT_PdoInternalDeviceControl: INVALID INTERNAL DEVICE CONTROL\n");
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Status = STATUS_INVALID_DEVICE_REQUEST;
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Exit:
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Irp->IoStatus.Status = Status;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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NTSTATUS
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NTAPI
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USBPORT_FdoDeviceControl(IN PDEVICE_OBJECT FdoDevice,
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IN PIRP Irp)
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{
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PUSBPORT_DEVICE_EXTENSION FdoExtension;
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PIO_STACK_LOCATION IoStack;
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ULONG ControlCode;
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NTSTATUS Status = STATUS_INVALID_DEVICE_REQUEST;
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ULONG_PTR Information = 0;
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DPRINT("USBPORT_FdoDeviceControl: Irp - %p\n", Irp);
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FdoExtension = FdoDevice->DeviceExtension;
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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ControlCode = IoStack->Parameters.DeviceIoControl.IoControlCode;
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switch (ControlCode)
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{
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case IOCTL_USB_DIAGNOSTIC_MODE_ON:
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DPRINT("USBPORT_FdoDeviceControl: IOCTL_USB_DIAGNOSTIC_MODE_ON\n");
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FdoExtension->Flags |= USBPORT_FLAG_DIAGNOSTIC_MODE;
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break;
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case IOCTL_USB_DIAGNOSTIC_MODE_OFF:
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DPRINT("USBPORT_FdoDeviceControl: IOCTL_USB_DIAGNOSTIC_MODE_OFF\n");
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FdoExtension->Flags &= ~USBPORT_FLAG_DIAGNOSTIC_MODE;
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break;
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case IOCTL_USB_GET_NODE_INFORMATION:
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DPRINT1("USBPORT_FdoDeviceControl: IOCTL_USB_GET_NODE_INFORMATION\n");
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Status = USBPORT_GetUnicodeName(FdoDevice, Irp, &Information);
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break;
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case IOCTL_GET_HCD_DRIVERKEY_NAME:
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DPRINT1("USBPORT_FdoDeviceControl: IOCTL_GET_HCD_DRIVERKEY_NAME\n");
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Status = USBPORT_GetUnicodeName(FdoDevice, Irp, &Information);
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break;
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case IOCTL_USB_USER_REQUEST:
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DPRINT1("USBPORT_FdoDeviceControl: IOCTL_USB_USER_REQUEST UNIMPLEMENTED. FIXME\n");
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break;
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default:
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DPRINT1("USBPORT_FdoDeviceControl: Not supported IoControlCode - %x\n",
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ControlCode);
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Status = STATUS_INVALID_DEVICE_REQUEST;
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break;
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}
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Irp->IoStatus.Status = Status;
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Irp->IoStatus.Information = Information;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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NTSTATUS
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NTAPI
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USBPORT_FdoInternalDeviceControl(IN PDEVICE_OBJECT FdoDevice,
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IN PIRP Irp)
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{
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DPRINT1("USBPORT_FdoInternalDeviceControl: UNIMPLEMENTED. FIXME. \n");
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return 0;
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}
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