From 51ba40dcd64518c8d5f9ce586171c8fb347a42c0 Mon Sep 17 00:00:00 2001 From: ben Date: Fri, 6 Apr 2007 15:20:49 +0000 Subject: merged libdha and libvidix, moved all files from libdha to vidix directory git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22918 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libdha/dhahelperwin/MAKEFILE | 7 - libdha/dhahelperwin/SOURCES | 6 - libdha/dhahelperwin/dhahelper.c | 359 ---------------------------------------- libdha/dhahelperwin/dhahelper.h | 50 ------ libdha/dhahelperwin/dhasetup.c | 61 ------- 5 files changed, 483 deletions(-) delete mode 100644 libdha/dhahelperwin/MAKEFILE delete mode 100644 libdha/dhahelperwin/SOURCES delete mode 100644 libdha/dhahelperwin/dhahelper.c delete mode 100644 libdha/dhahelperwin/dhahelper.h delete mode 100644 libdha/dhahelperwin/dhasetup.c (limited to 'libdha/dhahelperwin') diff --git a/libdha/dhahelperwin/MAKEFILE b/libdha/dhahelperwin/MAKEFILE deleted file mode 100644 index 58189757d6..0000000000 --- a/libdha/dhahelperwin/MAKEFILE +++ /dev/null @@ -1,7 +0,0 @@ -# -# DO NOT EDIT THIS FILE!!! Edit .\sources. if you want to add a new source -# file to this component. This file merely indirects to the real make file -# that is shared by all the driver components of the Windows NT DDK -# - -!INCLUDE $(NTMAKEENV)\makefile.def diff --git a/libdha/dhahelperwin/SOURCES b/libdha/dhahelperwin/SOURCES deleted file mode 100644 index e44aa06971..0000000000 --- a/libdha/dhahelperwin/SOURCES +++ /dev/null @@ -1,6 +0,0 @@ -TARGETNAME=dhahelper -TARGETPATH=. -TARGETTYPE=DRIVER -NTDEBUG=ntsd - -SOURCES= dhahelper.c diff --git a/libdha/dhahelperwin/dhahelper.c b/libdha/dhahelperwin/dhahelper.c deleted file mode 100644 index 230d44a372..0000000000 --- a/libdha/dhahelperwin/dhahelper.c +++ /dev/null @@ -1,359 +0,0 @@ -/****************************************************************************** - * dhahelper.c: direct hardware access under Windows NT/2000/XP - * Copyright (c) 2004 Sascha Sommer . - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - *****************************************************************************/ - - -#include -#include "dhahelper.h" - -#define OutputDebugString DbgPrint - -#define IOPM_SIZE 0x2000 -typedef char IOPM[IOPM_SIZE]; -static IOPM *pIOPM = NULL; - - - -typedef struct { - PMDL Mdl; - PVOID SystemVirtualAddress; - PVOID UserVirtualAddress; - ULONG PhysMemSizeInBytes; -}alloc_priv; -static alloc_priv* alloclist; -static unsigned int alloccount=0; - - - - - - - -static NTSTATUS dhahelperdispatch(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp); -static void dhahelperunload(IN PDRIVER_OBJECT DriverObject); -static NTSTATUS UnmapPhysicalMemory(PVOID UserVirtualAddress); -static NTSTATUS MapPhysicalMemoryToLinearSpace(PVOID pPhysAddress,ULONG PhysMemSizeInBytes,PVOID *PhysMemLin); - -void Ke386SetIoAccessMap(int, IOPM *); -void Ke386QueryIoAccessMap(int, IOPM *); -void Ke386IoSetAccessProcess(PEPROCESS, int); - - - - -//entry point -NTSTATUS DriverEntry (IN PDRIVER_OBJECT DriverObject,IN PUNICODE_STRING RegistryPath){ - UNICODE_STRING DeviceNameUnicodeString; - UNICODE_STRING DeviceLinkUnicodeString; - NTSTATUS ntStatus; - PDEVICE_OBJECT DeviceObject = NULL; - - OutputDebugString ("dhahelper: entering DriverEntry"); - - RtlInitUnicodeString (&DeviceNameUnicodeString, L"\\Device\\DHAHELPER"); - - // Create an EXCLUSIVE device object (only 1 thread at a time - // can make requests to this device). - - ntStatus = IoCreateDevice(DriverObject,0,&DeviceNameUnicodeString,FILE_DEVICE_DHAHELPER,0,TRUE,&DeviceObject); - - if (NT_SUCCESS(ntStatus)){ - // Create dispatch points for device control, create, close. - DriverObject->MajorFunction[IRP_MJ_CREATE] = - DriverObject->MajorFunction[IRP_MJ_CLOSE] = - DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = dhahelperdispatch; - DriverObject->DriverUnload = dhahelperunload; - - // Create a symbolic link, e.g. a name that a Win32 app can specify - // to open the device. - - RtlInitUnicodeString (&DeviceLinkUnicodeString, L"\\DosDevices\\DHAHELPER"); - - ntStatus = IoCreateSymbolicLink(&DeviceLinkUnicodeString,&DeviceNameUnicodeString); - - if (!NT_SUCCESS(ntStatus)){ - // Symbolic link creation failed- note this & then delete the - // device object (it's useless if a Win32 app can't get at it). - OutputDebugString ("dhahelper: IoCreateSymbolicLink failed"); - IoDeleteDevice (DeviceObject); - } - } - else{ - OutputDebugString ("dhahelper: IoCreateDevice failed"); - } - OutputDebugString ("dhahelper: leaving DriverEntry"); - return ntStatus; -} - - -// Process the IRPs sent to this device - -static NTSTATUS dhahelperdispatch(IN PDEVICE_OBJECT DeviceObject,IN PIRP Irp){ - PIO_STACK_LOCATION IrpStack; - ULONG dwInputBufferLength; - ULONG dwOutputBufferLength; - ULONG dwIoControlCode; - PVOID pvIOBuffer; - NTSTATUS ntStatus; - dhahelper_t dhahelper_priv; - - OutputDebugString ("dhahelper: entering dhahelperdispatch"); - - // Init to default settings - - Irp->IoStatus.Status = STATUS_SUCCESS; - Irp->IoStatus.Information = 0; - - IrpStack = IoGetCurrentIrpStackLocation(Irp); - - // Get the pointer to the input/output buffer and it's length - - pvIOBuffer = Irp->AssociatedIrp.SystemBuffer; - dwInputBufferLength = IrpStack->Parameters.DeviceIoControl.InputBufferLength; - dwOutputBufferLength = IrpStack->Parameters.DeviceIoControl.OutputBufferLength; - - switch (IrpStack->MajorFunction){ - case IRP_MJ_CREATE: - OutputDebugString("dhahelper: IRP_MJ_CREATE"); - break; - case IRP_MJ_CLOSE: - OutputDebugString("dhahelper: IRP_MJ_CLOSE"); - break; - case IRP_MJ_DEVICE_CONTROL: - OutputDebugString("dhahelper: IRP_MJ_DEVICE_CONTROL"); - dwIoControlCode = IrpStack->Parameters.DeviceIoControl.IoControlCode; - switch (dwIoControlCode){ - case IOCTL_DHAHELPER_ENABLEDIRECTIO: - OutputDebugString("dhahelper: IOCTL_DHAHELPER_ENABLEDIRECTIO"); - pIOPM = MmAllocateNonCachedMemory(sizeof(IOPM)); - if (pIOPM){ - RtlZeroMemory(pIOPM, sizeof(IOPM)); - Ke386IoSetAccessProcess(PsGetCurrentProcess(), 1); - Ke386SetIoAccessMap(1, pIOPM); - } - else Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES; - break; - case IOCTL_DHAHELPER_DISABLEDIRECTIO: - OutputDebugString("dhahelper: IOCTL_DHAHELPER_DISABLEDIRECTIO"); - if (pIOPM){ - Ke386IoSetAccessProcess(PsGetCurrentProcess(), 0); - Ke386SetIoAccessMap(1, pIOPM); - MmFreeNonCachedMemory(pIOPM, sizeof(IOPM)); - pIOPM = NULL; - } - break; - case IOCTL_DHAHELPER_MAPPHYSTOLIN: - OutputDebugString("dhahelper: IOCTL_DHAHELPER_MAPPHYSTOLIN"); - if (dwInputBufferLength){ - memcpy (&dhahelper_priv, pvIOBuffer, dwInputBufferLength); - ntStatus = MapPhysicalMemoryToLinearSpace(dhahelper_priv.base,dhahelper_priv.size,&dhahelper_priv.ptr); - if (NT_SUCCESS(ntStatus)){ - memcpy (pvIOBuffer, &dhahelper_priv, dwInputBufferLength); - Irp->IoStatus.Information = dwInputBufferLength; - } - Irp->IoStatus.Status = ntStatus; - } - else Irp->IoStatus.Status = STATUS_INVALID_PARAMETER; - break; - case IOCTL_DHAHELPER_UNMAPPHYSADDR: - OutputDebugString("dhahelper: IOCTL_DHAHELPER_UNMAPPHYSADDR"); - if (dwInputBufferLength){ - memcpy (&dhahelper_priv, pvIOBuffer, dwInputBufferLength); - ntStatus = UnmapPhysicalMemory(dhahelper_priv.ptr); - Irp->IoStatus.Status = ntStatus; - } - else - Irp->IoStatus.Status = STATUS_INVALID_PARAMETER; - break; - default: - OutputDebugString("dhahelper: unknown IRP_MJ_DEVICE_CONTROL"); - Irp->IoStatus.Status = STATUS_INVALID_PARAMETER; - break; - } - break; - } - - // DON'T get cute and try to use the status field of the irp in the - // return status. That IRP IS GONE as soon as you call IoCompleteRequest. - - ntStatus = Irp->IoStatus.Status; - - IoCompleteRequest (Irp, IO_NO_INCREMENT); - - // We never have pending operation so always return the status code. - - OutputDebugString("dhahelper: leaving dhahelperdispatch"); - - return ntStatus; -} - -// Delete the associated device and return - -static void dhahelperunload(IN PDRIVER_OBJECT DriverObject){ - UNICODE_STRING DeviceLinkUnicodeString; - NTSTATUS ntStatus=STATUS_SUCCESS; - OutputDebugString ("dhahelper: entering dhahelperunload"); - OutputDebugString ("dhahelper: unmapping remaining memory"); - - while(alloccount && (ntStatus==STATUS_SUCCESS))ntStatus = UnmapPhysicalMemory(alloclist[alloccount-1].UserVirtualAddress); - RtlInitUnicodeString (&DeviceLinkUnicodeString, L"\\DosDevices\\DHAHELPER"); - ntStatus = IoDeleteSymbolicLink (&DeviceLinkUnicodeString); - - if (NT_SUCCESS(ntStatus)){ - IoDeleteDevice (DriverObject->DeviceObject); - } - else { - OutputDebugString ("dhahelper: IoDeleteSymbolicLink failed"); - } - OutputDebugString ("dhahelper: leaving dhahelperunload"); -} - - - - - - -/************************* memory mapping functions ******************************/ -//unlike the functions of other io helpers these functions allow to map adapter memory on windows xp -//even if it has alread been mapped by the original driver -//the technique used is described in -//http://support.microsoft.com/default.aspx?scid=kb;en-us;q189327 -//furthermore it keeps a list of mapped areas to free them when the driver gets unloaded -//I'm not sure what the limitations of ZwMapViewOfSection are but mapping 128MB videoram (that is probably already mapped by the gfxcard driver) -//won't work so it is generally a good idea to map only the memory you really need - -static NTSTATUS MapPhysicalMemoryToLinearSpace(PVOID pPhysAddress,ULONG PhysMemSizeInBytes,PVOID *PhysMemLin){ - alloc_priv* alloclisttmp; - PMDL Mdl=NULL; - PVOID SystemVirtualAddress=NULL; - PVOID UserVirtualAddress=NULL; - PHYSICAL_ADDRESS pStartPhysAddress; - OutputDebugString ("dhahelper: entering MapPhysicalMemoryToLinearSpace"); - - pStartPhysAddress.QuadPart = (ULONGLONG)pPhysAddress; - __try { - SystemVirtualAddress=MmMapIoSpace(pStartPhysAddress,PhysMemSizeInBytes, /*MmWriteCombined*/MmNonCached); - if(!SystemVirtualAddress){ - OutputDebugString("dhahelper: MmMapIoSpace failed"); - return STATUS_INVALID_PARAMETER; - } - OutputDebugString("dhahelper: SystemVirtualAddress 0x%x",SystemVirtualAddress); - Mdl=IoAllocateMdl(SystemVirtualAddress, PhysMemSizeInBytes, FALSE, FALSE,NULL); - if(!Mdl){ - OutputDebugString("dhahelper: IoAllocateMdl failed"); - return STATUS_INSUFFICIENT_RESOURCES; - } - OutputDebugString("dhahelper: Mdl 0x%x",Mdl); - MmBuildMdlForNonPagedPool(Mdl); - UserVirtualAddress = (PVOID)(((ULONG)PAGE_ALIGN(MmMapLockedPages(Mdl,UserMode))) + MmGetMdlByteOffset(Mdl)); - if(!UserVirtualAddress){ - OutputDebugString("dhahelper: MmMapLockedPages failed"); - return STATUS_INSUFFICIENT_RESOURCES; - } - OutputDebugString("dhahelper: UserVirtualAddress 0x%x",UserVirtualAddress); - }__except(EXCEPTION_EXECUTE_HANDLER){ - NTSTATUS ntStatus; - ntStatus = GetExceptionCode(); - OutputDebugString("dhahelper: MapPhysicalMemoryToLinearSpace failed due to exception 0x%0x\n", ntStatus); - return ntStatus; - } - - - OutputDebugString("dhahelper: adding data to internal allocation list"); - alloclisttmp=MmAllocateNonCachedMemory((alloccount+1)*sizeof(alloc_priv)); - - - if(!alloclisttmp){ - OutputDebugString("dhahelper: not enough memory to create temporary allocation list"); - MmUnmapLockedPages(UserVirtualAddress, Mdl); - IoFreeMdl(Mdl); - return STATUS_INSUFFICIENT_RESOURCES; - } - if(alloccount){ - memcpy(alloclisttmp,alloclist,alloccount * sizeof(alloc_priv)); - MmFreeNonCachedMemory(alloclist,alloccount*sizeof(alloc_priv)); - } - alloclist=alloclisttmp; - alloclist[alloccount].Mdl=Mdl; - alloclist[alloccount].SystemVirtualAddress=SystemVirtualAddress; - alloclist[alloccount].UserVirtualAddress=UserVirtualAddress; - alloclist[alloccount].PhysMemSizeInBytes=PhysMemSizeInBytes; - ++alloccount; - - *PhysMemLin=UserVirtualAddress; - - OutputDebugString("dhahelper: leaving MapPhysicalMemoryToLinearSpace"); - return STATUS_SUCCESS; -} - -static NTSTATUS UnmapPhysicalMemory(PVOID UserVirtualAddress){ - unsigned int i; - unsigned int x=0; - unsigned int alloccounttmp=alloccount; - OutputDebugString("dhahelper: entering UnmapPhysicalMemory to unmapp 0x%x",UserVirtualAddress); - if(!alloccount){ - OutputDebugString("dhahelper: UnmapPhysicalMemory: nothing todo -> leaving..."); - return STATUS_SUCCESS; - } - - for(i=0;i -#include - -int main(int argc,char* argv[]){ - SC_HANDLE hSCManager; - SC_HANDLE hService; - char path[MAX_PATH]; - printf("dhasetup (c) 2004 Sascha Sommer\n"); - GetWindowsDirectory(path,MAX_PATH); - strcpy(path+strlen(path),"\\system32\\drivers\\dhahelper.sys"); - if(argc==1){ - printf("Usage:\n"); - printf("dhasetup install - Copies dhahelper.sys from the current directory to\n%s and configures it to start at boot.\n", path); - printf("dhasetup remove - Removes the dhahelper utility.\n"); - return 0; - } - hSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS); - if(!strcmp(argv[1],"install")){ - printf("Installing dhahelper...\n"); - if(!CopyFile("dhahelper.sys",path,FALSE)){ - printf("Copying dhahelper.sys failed.\nEither dhahelper.sys is not in the current directory or you lack sufficient\nprivileges to write to %s.", path); - return 1; - } - // Install the driver - hService = CreateService(hSCManager, - "DHAHELPER", - "DHAHELPER", - SERVICE_ALL_ACCESS, - SERVICE_KERNEL_DRIVER, - SERVICE_SYSTEM_START, - SERVICE_ERROR_NORMAL, - path, - NULL, - NULL, - NULL, - NULL, - NULL); - if(!hService){ - printf("Unable to register DHAHELPER Service (0x%x).\n",GetLastError()); - } - } - else if(!strcmp(argv[1],"remove")){ - SERVICE_STATUS ServiceStatus; - printf("Removing dhahelper...\n"); - hService = OpenService(hSCManager, "DHAHELPER", SERVICE_ALL_ACCESS); - ControlService(hService, SERVICE_CONTROL_STOP, &ServiceStatus); - DeleteService(hService); - DeleteFile(path); - } - else { - printf("unknown parameter: %s\n",argv[1]); - } - CloseServiceHandle(hService); - CloseServiceHandle(hSCManager); - printf("Please reboot to let the changes take effect.\n"); - return 0; -} -- cgit v1.2.3