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wine/dlls/ntoskrnl.exe/ntoskrnl.c
Etaash Mathamsetty 22e9093c80 ntoskrnl.exe: Implement KeQueryActiveProcessorCount.
2022-11-18 14:00:04 +01:00

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/*
* ntoskrnl.exe implementation
*
* Copyright (C) 2007 Alexandre Julliard
* Copyright (C) 2010 Damjan Jovanovic
* Copyright (C) 2016 Sebastian Lackner
* Copyright (C) 2016 CodeWeavers, Aric Stewart
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "ntoskrnl_private.h"
#include "excpt.h"
#include "winreg.h"
#include "ntsecapi.h"
#include "ddk/csq.h"
#include "wine/server.h"
#include "wine/heap.h"
#include "wine/svcctl.h"
WINE_DEFAULT_DEBUG_CHANNEL(ntoskrnl);
WINE_DECLARE_DEBUG_CHANNEL(relay);
BOOLEAN KdDebuggerEnabled = FALSE;
ULONG InitSafeBootMode = 0;
USHORT NtBuildNumber = 0;
extern LONG CALLBACK vectored_handler( EXCEPTION_POINTERS *ptrs );
KSYSTEM_TIME KeTickCount = { 0, 0, 0 };
typedef struct _KSERVICE_TABLE_DESCRIPTOR
{
PULONG_PTR Base;
PULONG Count;
ULONG Limit;
PUCHAR Number;
} KSERVICE_TABLE_DESCRIPTOR, *PKSERVICE_TABLE_DESCRIPTOR;
KSERVICE_TABLE_DESCRIPTOR KeServiceDescriptorTable[4] = { { 0 } };
#define MAX_SERVICE_NAME 260
static TP_POOL *dpc_call_tp;
static TP_CALLBACK_ENVIRON dpc_call_tpe;
DECLARE_CRITICAL_SECTION(dpc_call_cs);
static DWORD dpc_call_tls_index;
/* tid of the thread running client request */
static DWORD request_thread;
/* tid of the client thread */
static DWORD client_tid;
static HANDLE ntoskrnl_heap;
static void *ldr_notify_cookie;
static PLOAD_IMAGE_NOTIFY_ROUTINE load_image_notify_routines[8];
static unsigned int load_image_notify_routine_count;
struct irp_data
{
HANDLE handle;
IRP *irp;
BOOL async;
BOOL complete;
};
static int wine_drivers_rb_compare( const void *key, const struct wine_rb_entry *entry )
{
const struct wine_driver *driver = WINE_RB_ENTRY_VALUE( entry, const struct wine_driver, entry );
const UNICODE_STRING *k = key;
return RtlCompareUnicodeString( k, &driver->driver_obj.DriverName, TRUE );
}
static struct wine_rb_tree wine_drivers = { wine_drivers_rb_compare };
DECLARE_CRITICAL_SECTION(drivers_cs);
struct wine_driver *get_driver( const WCHAR *name )
{
static const WCHAR driverW[] = L"\\Driver\\";
struct wine_rb_entry *entry;
UNICODE_STRING drv_name;
drv_name.Length = (wcslen( driverW ) + wcslen( name )) * sizeof(WCHAR);
if (!(drv_name.Buffer = malloc( drv_name.Length + sizeof(WCHAR) )))
return NULL;
wcscpy( drv_name.Buffer, driverW );
wcscat( drv_name.Buffer, name );
entry = wine_rb_get( &wine_drivers, &drv_name );
free( drv_name.Buffer );
if (entry) return WINE_RB_ENTRY_VALUE( entry, struct wine_driver, entry );
return NULL;
}
static HANDLE get_device_manager(void)
{
static HANDLE device_manager;
HANDLE handle = 0, ret = device_manager;
if (!ret)
{
SERVER_START_REQ( create_device_manager )
{
req->access = SYNCHRONIZE;
req->attributes = 0;
if (!wine_server_call( req )) handle = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
if (!handle)
{
ERR( "failed to create the device manager\n" );
return 0;
}
if (!(ret = InterlockedCompareExchangePointer( &device_manager, handle, 0 )))
ret = handle;
else
NtClose( handle ); /* somebody beat us to it */
}
return ret;
}
struct object_header
{
LONG ref;
POBJECT_TYPE type;
};
static void free_kernel_object( void *obj )
{
struct object_header *header = (struct object_header *)obj - 1;
HeapFree( GetProcessHeap(), 0, header );
}
void *alloc_kernel_object( POBJECT_TYPE type, HANDLE handle, SIZE_T size, LONG ref )
{
struct object_header *header;
if (!(header = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*header) + size)) )
return NULL;
if (handle)
{
NTSTATUS status;
SERVER_START_REQ( set_kernel_object_ptr )
{
req->manager = wine_server_obj_handle( get_device_manager() );
req->handle = wine_server_obj_handle( handle );
req->user_ptr = wine_server_client_ptr( header + 1 );
status = wine_server_call( req );
}
SERVER_END_REQ;
if (status) FIXME( "set_object_reference failed: %#lx\n", status );
}
header->ref = ref;
header->type = type;
return header + 1;
}
DECLARE_CRITICAL_SECTION(obref_cs);
/***********************************************************************
* ObDereferenceObject (NTOSKRNL.EXE.@)
*/
void WINAPI ObDereferenceObject( void *obj )
{
struct object_header *header = (struct object_header*)obj - 1;
LONG ref;
if (!obj)
{
FIXME("NULL obj\n");
return;
}
EnterCriticalSection( &obref_cs );
ref = --header->ref;
TRACE( "(%p) ref=%lu\n", obj, ref );
if (!ref)
{
if (header->type->release)
{
header->type->release( obj );
}
else
{
SERVER_START_REQ( release_kernel_object )
{
req->manager = wine_server_obj_handle( get_device_manager() );
req->user_ptr = wine_server_client_ptr( obj );
if (wine_server_call( req )) FIXME( "failed to release %p\n", obj );
}
SERVER_END_REQ;
}
}
LeaveCriticalSection( &obref_cs );
}
void ObReferenceObject( void *obj )
{
struct object_header *header = (struct object_header*)obj - 1;
LONG ref;
if (!obj)
{
FIXME("NULL obj\n");
return;
}
EnterCriticalSection( &obref_cs );
ref = ++header->ref;
TRACE( "(%p) ref=%lu\n", obj, ref );
if (ref == 1)
{
SERVER_START_REQ( grab_kernel_object )
{
req->manager = wine_server_obj_handle( get_device_manager() );
req->user_ptr = wine_server_client_ptr( obj );
if (wine_server_call( req )) FIXME( "failed to grab %p reference\n", obj );
}
SERVER_END_REQ;
}
LeaveCriticalSection( &obref_cs );
}
/***********************************************************************
* ObGetObjectType (NTOSKRNL.EXE.@)
*/
POBJECT_TYPE WINAPI ObGetObjectType( void *object )
{
struct object_header *header = (struct object_header *)object - 1;
return header->type;
}
static const POBJECT_TYPE *known_types[] =
{
&ExEventObjectType,
&ExSemaphoreObjectType,
&IoDeviceObjectType,
&IoDriverObjectType,
&IoFileObjectType,
&PsProcessType,
&PsThreadType,
&SeTokenObjectType
};
DECLARE_CRITICAL_SECTION(handle_map_cs);
NTSTATUS kernel_object_from_handle( HANDLE handle, POBJECT_TYPE type, void **ret )
{
void *obj;
NTSTATUS status;
EnterCriticalSection( &handle_map_cs );
SERVER_START_REQ( get_kernel_object_ptr )
{
req->manager = wine_server_obj_handle( get_device_manager() );
req->handle = wine_server_obj_handle( handle );
status = wine_server_call( req );
obj = wine_server_get_ptr( reply->user_ptr );
}
SERVER_END_REQ;
if (status)
{
LeaveCriticalSection( &handle_map_cs );
return status;
}
if (!obj)
{
char buf[256];
OBJECT_TYPE_INFORMATION *type_info = (OBJECT_TYPE_INFORMATION *)buf;
ULONG size;
status = NtQueryObject( handle, ObjectTypeInformation, buf, sizeof(buf), &size );
if (status)
{
LeaveCriticalSection( &handle_map_cs );
return status;
}
if (!type)
{
size_t i;
for (i = 0; i < ARRAY_SIZE(known_types); i++)
{
type = *known_types[i];
if (!RtlCompareUnicodeStrings( type->name, lstrlenW(type->name), type_info->TypeName.Buffer,
type_info->TypeName.Length / sizeof(WCHAR), FALSE ))
break;
}
if (i == ARRAY_SIZE(known_types))
{
FIXME("Unsupported type %s\n", debugstr_us(&type_info->TypeName));
LeaveCriticalSection( &handle_map_cs );
return STATUS_INVALID_HANDLE;
}
}
else if (RtlCompareUnicodeStrings( type->name, lstrlenW(type->name), type_info->TypeName.Buffer,
type_info->TypeName.Length / sizeof(WCHAR), FALSE) )
{
LeaveCriticalSection( &handle_map_cs );
return STATUS_OBJECT_TYPE_MISMATCH;
}
if (type->constructor)
obj = type->constructor( handle );
else
{
FIXME( "No constructor for type %s\n", debugstr_w(type->name) );
obj = alloc_kernel_object( type, handle, 0, 0 );
}
if (!obj) status = STATUS_NO_MEMORY;
}
else if (type && ObGetObjectType( obj ) != type) status = STATUS_OBJECT_TYPE_MISMATCH;
LeaveCriticalSection( &handle_map_cs );
if (!status) *ret = obj;
return status;
}
/***********************************************************************
* ObReferenceObjectByHandle (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI ObReferenceObjectByHandle( HANDLE handle, ACCESS_MASK access,
POBJECT_TYPE type,
KPROCESSOR_MODE mode, void **ptr,
POBJECT_HANDLE_INFORMATION info )
{
NTSTATUS status;
TRACE( "%p %lx %p %d %p %p\n", handle, access, type, mode, ptr, info );
if (mode != KernelMode)
{
FIXME("UserMode access not implemented\n");
return STATUS_NOT_IMPLEMENTED;
}
status = kernel_object_from_handle( handle, type, ptr );
if (!status) ObReferenceObject( *ptr );
return status;
}
/***********************************************************************
* ObOpenObjectByPointer (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI ObOpenObjectByPointer( void *obj, ULONG attr, ACCESS_STATE *access_state,
ACCESS_MASK access, POBJECT_TYPE type,
KPROCESSOR_MODE mode, HANDLE *handle )
{
NTSTATUS status;
TRACE( "%p %lx %p %lx %p %d %p\n", obj, attr, access_state, access, type, mode, handle );
if (mode != KernelMode)
{
FIXME( "UserMode access not implemented\n" );
return STATUS_NOT_IMPLEMENTED;
}
if (attr & ~OBJ_KERNEL_HANDLE) FIXME( "attr %#lx not supported\n", attr );
if (access_state) FIXME( "access_state not implemented\n" );
if (type && ObGetObjectType( obj ) != type) return STATUS_OBJECT_TYPE_MISMATCH;
SERVER_START_REQ( get_kernel_object_handle )
{
req->manager = wine_server_obj_handle( get_device_manager() );
req->user_ptr = wine_server_client_ptr( obj );
req->access = access;
if (!(status = wine_server_call( req )))
*handle = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
return status;
}
static void *create_file_object( HANDLE handle );
static const WCHAR file_type_name[] = {'F','i','l','e',0};
static struct _OBJECT_TYPE file_type = {
file_type_name,
create_file_object
};
POBJECT_TYPE IoFileObjectType = &file_type;
static void *create_file_object( HANDLE handle )
{
FILE_OBJECT *file;
if (!(file = alloc_kernel_object( IoFileObjectType, handle, sizeof(*file), 0 ))) return NULL;
file->Type = 5; /* MSDN */
file->Size = sizeof(*file);
return file;
}
DECLARE_CRITICAL_SECTION(irp_completion_cs);
static void free_dispatch_irp( struct irp_data *irp_data )
{
IRP *irp = irp_data->irp;
if (irp->UserBuffer != irp->AssociatedIrp.SystemBuffer)
{
HeapFree( GetProcessHeap(), 0, irp->UserBuffer );
irp->UserBuffer = NULL;
}
free( irp_data );
}
static ULONG get_irp_output_size( IRP *irp )
{
IO_STACK_LOCATION *stack = IoGetNextIrpStackLocation( irp );
if (!irp->UserBuffer || (irp->Flags & IRP_WRITE_OPERATION))
return 0;
/* For IRPs not using buffered I/O, the driver is supposed to have direct
* access to the user's output buffer, either via an MDL (direct I/O) or
* with the raw user VA (neither). We can't fully support this, but we
* should at least copy the entire buffer back to the caller. */
switch (stack->MajorFunction)
{
case IRP_MJ_FILE_SYSTEM_CONTROL:
case IRP_MJ_DEVICE_CONTROL:
case IRP_MJ_INTERNAL_DEVICE_CONTROL:
if ((stack->Parameters.DeviceIoControl.IoControlCode & 3) != METHOD_BUFFERED)
return stack->Parameters.DeviceIoControl.OutputBufferLength;
break;
case IRP_MJ_READ:
/* FIXME: Handle non-buffered reads. */
default:
break;
}
if (NT_ERROR(irp->IoStatus.u.Status))
return 0;
return irp->IoStatus.Information;
}
/* transfer result of IRP back to wineserver */
static NTSTATUS WINAPI dispatch_irp_completion( DEVICE_OBJECT *device, IRP *irp, void *context )
{
struct irp_data *irp_data = context;
NTSTATUS status;
ULONG out_size;
EnterCriticalSection( &irp_completion_cs );
irp_data->complete = TRUE;
if (!irp_data->async)
{
/* main loop will report completion via get_next_device_request */
LeaveCriticalSection( &irp_completion_cs );
return STATUS_MORE_PROCESSING_REQUIRED;
}
out_size = get_irp_output_size( irp );
SERVER_START_REQ( set_irp_result )
{
req->handle = wine_server_obj_handle( irp_data->handle );
req->status = irp->IoStatus.u.Status;
req->size = irp->IoStatus.Information;
if (out_size) wine_server_add_data( req, irp->UserBuffer, out_size );
status = wine_server_call( req );
}
SERVER_END_REQ;
free_dispatch_irp( irp_data );
LeaveCriticalSection( &irp_completion_cs );
return status;
}
struct dispatch_context
{
irp_params_t params;
HANDLE handle;
struct irp_data *irp_data;
ULONG in_size;
void *in_buff;
};
static NTSTATUS dispatch_irp( DEVICE_OBJECT *device, IRP *irp, struct dispatch_context *context )
{
struct irp_data *irp_data;
LARGE_INTEGER count;
NTSTATUS status;
if (!(irp_data = malloc( sizeof(*irp_data) )))
return STATUS_NO_MEMORY;
irp_data->handle = context->handle;
irp_data->irp = irp;
irp_data->async = FALSE;
irp_data->complete = FALSE;
IoSetCompletionRoutine( irp, dispatch_irp_completion, irp_data, TRUE, TRUE, TRUE );
context->irp_data = irp_data;
context->handle = 0;
KeQueryTickCount( &count ); /* update the global KeTickCount */
device->CurrentIrp = irp;
KeEnterCriticalRegion();
status = IoCallDriver( device, irp );
KeLeaveCriticalRegion();
device->CurrentIrp = NULL;
if (status != STATUS_PENDING && !irp_data->complete)
ERR( "dispatch routine returned %#lx but didn't complete the IRP\n", status );
return status;
}
/* process a create request for a given file */
static NTSTATUS dispatch_create( struct dispatch_context *context )
{
IRP *irp;
IO_STACK_LOCATION *irpsp;
FILE_OBJECT *file;
DEVICE_OBJECT *device = wine_server_get_ptr( context->params.create.device );
HANDLE handle = wine_server_ptr_handle( context->params.create.file );
if (!(file = alloc_kernel_object( IoFileObjectType, handle, sizeof(*file), 0 )))
return STATUS_NO_MEMORY;
TRACE( "device %p -> file %p\n", device, file );
file->Type = 5; /* MSDN */
file->Size = sizeof(*file);
file->DeviceObject = device;
device = IoGetAttachedDevice( device );
if (!(irp = IoAllocateIrp( device->StackSize, FALSE ))) return STATUS_NO_MEMORY;
irpsp = IoGetNextIrpStackLocation( irp );
irpsp->MajorFunction = IRP_MJ_CREATE;
irpsp->FileObject = file;
irpsp->Parameters.Create.SecurityContext = NULL; /* FIXME */
irpsp->Parameters.Create.Options = context->params.create.options;
irpsp->Parameters.Create.ShareAccess = context->params.create.sharing;
irpsp->Parameters.Create.FileAttributes = 0;
irpsp->Parameters.Create.EaLength = 0;
irp->Tail.Overlay.OriginalFileObject = file;
irp->Tail.Overlay.Thread = (PETHREAD)KeGetCurrentThread();
irp->RequestorMode = UserMode;
irp->AssociatedIrp.SystemBuffer = NULL;
irp->UserBuffer = NULL;
irp->UserIosb = NULL;
irp->UserEvent = NULL;
irp->Flags |= IRP_CREATE_OPERATION;
return dispatch_irp( device, irp, context );
}
/* process a close request for a given file */
static NTSTATUS dispatch_close( struct dispatch_context *context )
{
IRP *irp;
IO_STACK_LOCATION *irpsp;
DEVICE_OBJECT *device;
FILE_OBJECT *file = wine_server_get_ptr( context->params.close.file );
if (!file) return STATUS_INVALID_HANDLE;
device = IoGetAttachedDevice( file->DeviceObject );
TRACE( "device %p file %p\n", device, file );
if (!(irp = IoAllocateIrp( device->StackSize, FALSE )))
{
ObDereferenceObject( file );
return STATUS_NO_MEMORY;
}
irpsp = IoGetNextIrpStackLocation( irp );
irpsp->MajorFunction = IRP_MJ_CLOSE;
irpsp->FileObject = file;
irp->Tail.Overlay.OriginalFileObject = file;
irp->Tail.Overlay.Thread = (PETHREAD)KeGetCurrentThread();
irp->RequestorMode = UserMode;
irp->AssociatedIrp.SystemBuffer = NULL;
irp->UserBuffer = NULL;
irp->UserIosb = NULL;
irp->UserEvent = NULL;
irp->Flags |= IRP_CLOSE_OPERATION;
return dispatch_irp( device, irp, context );
}
/* process a read request for a given device */
static NTSTATUS dispatch_read( struct dispatch_context *context )
{
IRP *irp;
void *out_buff;
LARGE_INTEGER offset;
IO_STACK_LOCATION *irpsp;
DEVICE_OBJECT *device;
FILE_OBJECT *file = wine_server_get_ptr( context->params.read.file );
ULONG out_size = context->params.read.out_size;
if (!file) return STATUS_INVALID_HANDLE;
device = IoGetAttachedDevice( file->DeviceObject );
TRACE( "device %p file %p size %lu\n", device, file, out_size );
if (!(out_buff = HeapAlloc( GetProcessHeap(), 0, out_size ))) return STATUS_NO_MEMORY;
offset.QuadPart = context->params.read.pos;
if (!(irp = IoBuildSynchronousFsdRequest( IRP_MJ_READ, device, out_buff, out_size,
&offset, NULL, NULL )))
{
HeapFree( GetProcessHeap(), 0, out_buff );
return STATUS_NO_MEMORY;
}
irp->Tail.Overlay.OriginalFileObject = file;
irp->RequestorMode = UserMode;
irpsp = IoGetNextIrpStackLocation( irp );
irpsp->FileObject = file;
irpsp->Parameters.Read.Key = context->params.read.key;
irp->Flags |= IRP_READ_OPERATION;
irp->Flags |= IRP_DEALLOCATE_BUFFER; /* deallocate out_buff */
return dispatch_irp( device, irp, context );
}
/* process a write request for a given device */
static NTSTATUS dispatch_write( struct dispatch_context *context )
{
IRP *irp;
LARGE_INTEGER offset;
IO_STACK_LOCATION *irpsp;
DEVICE_OBJECT *device;
FILE_OBJECT *file = wine_server_get_ptr( context->params.write.file );
if (!file) return STATUS_INVALID_HANDLE;
device = IoGetAttachedDevice( file->DeviceObject );
TRACE( "device %p file %p size %lu\n", device, file, context->in_size );
offset.QuadPart = context->params.write.pos;
if (!(irp = IoBuildSynchronousFsdRequest( IRP_MJ_WRITE, device, context->in_buff, context->in_size,
&offset, NULL, NULL )))
return STATUS_NO_MEMORY;
context->in_buff = NULL;
irp->Tail.Overlay.OriginalFileObject = file;
irp->RequestorMode = UserMode;
irpsp = IoGetNextIrpStackLocation( irp );
irpsp->FileObject = file;
irpsp->Parameters.Write.Key = context->params.write.key;
irp->Flags |= IRP_WRITE_OPERATION;
irp->Flags |= IRP_DEALLOCATE_BUFFER; /* deallocate in_buff */
return dispatch_irp( device, irp, context );
}
/* process a flush request for a given device */
static NTSTATUS dispatch_flush( struct dispatch_context *context )
{
IRP *irp;
IO_STACK_LOCATION *irpsp;
DEVICE_OBJECT *device;
FILE_OBJECT *file = wine_server_get_ptr( context->params.flush.file );
if (!file) return STATUS_INVALID_HANDLE;
device = IoGetAttachedDevice( file->DeviceObject );
TRACE( "device %p file %p\n", device, file );
if (!(irp = IoBuildSynchronousFsdRequest( IRP_MJ_FLUSH_BUFFERS, device, NULL, 0,
NULL, NULL, NULL )))
return STATUS_NO_MEMORY;
irp->Tail.Overlay.OriginalFileObject = file;
irp->RequestorMode = UserMode;
irpsp = IoGetNextIrpStackLocation( irp );
irpsp->FileObject = file;
return dispatch_irp( device, irp, context );
}
/* process an ioctl request for a given device */
static NTSTATUS dispatch_ioctl( struct dispatch_context *context )
{
IO_STACK_LOCATION *irpsp;
IRP *irp;
void *out_buff = NULL;
void *to_free = NULL;
DEVICE_OBJECT *device;
FILE_OBJECT *file = wine_server_get_ptr( context->params.ioctl.file );
ULONG out_size = context->params.ioctl.out_size;
NTSTATUS status;
if (!file) return STATUS_INVALID_HANDLE;
device = IoGetAttachedDevice( file->DeviceObject );
TRACE( "ioctl %x device %p file %p in_size %lu out_size %lu\n",
context->params.ioctl.code, device, file, context->in_size, out_size );
if (out_size)
{
if ((context->params.ioctl.code & 3) != METHOD_BUFFERED)
{
if (context->in_size < out_size) return STATUS_INVALID_DEVICE_REQUEST;
context->in_size -= out_size;
if (!(out_buff = HeapAlloc( GetProcessHeap(), 0, out_size ))) return STATUS_NO_MEMORY;
memcpy( out_buff, (char *)context->in_buff + context->in_size, out_size );
}
else if (out_size > context->in_size)
{
if (!(out_buff = HeapAlloc( GetProcessHeap(), 0, out_size ))) return STATUS_NO_MEMORY;
memcpy( out_buff, context->in_buff, context->in_size );
to_free = context->in_buff;
context->in_buff = out_buff;
}
else
out_buff = context->in_buff;
}
irp = IoBuildDeviceIoControlRequest( context->params.ioctl.code, device, context->in_buff,
context->in_size, out_buff, out_size, FALSE, NULL, NULL );
if (!irp)
{
HeapFree( GetProcessHeap(), 0, out_buff );
return STATUS_NO_MEMORY;
}
if (out_size && (context->params.ioctl.code & 3) != METHOD_BUFFERED)
HeapReAlloc( GetProcessHeap(), HEAP_REALLOC_IN_PLACE_ONLY, context->in_buff, context->in_size );
irpsp = IoGetNextIrpStackLocation( irp );
irpsp->FileObject = file;
irp->Tail.Overlay.OriginalFileObject = file;
irp->RequestorMode = UserMode;
irp->AssociatedIrp.SystemBuffer = context->in_buff;
context->in_buff = NULL;
irp->Flags |= IRP_DEALLOCATE_BUFFER; /* deallocate in_buff */
status = dispatch_irp( device, irp, context );
HeapFree( GetProcessHeap(), 0, to_free );
return status;
}
/* process a volume information request for a given device */
static NTSTATUS dispatch_volume( struct dispatch_context *context )
{
IO_STACK_LOCATION *irpsp;
IRP *irp;
void *out_buff = NULL;
DEVICE_OBJECT *device;
FILE_OBJECT *file = wine_server_get_ptr( context->params.volume.file );
ULONG out_size = context->params.volume.out_size;
if (!file) return STATUS_INVALID_HANDLE;
device = IoGetAttachedDevice( file->DeviceObject );
TRACE( "class 0x%x device %p file %p in_size %lu out_size %lu\n",
context->params.volume.info_class, device, file, context->in_size, out_size );
if (!(out_buff = HeapAlloc( GetProcessHeap(), 0, out_size ))) return STATUS_NO_MEMORY;
irp = IoAllocateIrp( device->StackSize, FALSE );
if (!irp)
{
HeapFree( GetProcessHeap(), 0, out_buff );
return STATUS_NO_MEMORY;
}
irpsp = IoGetNextIrpStackLocation( irp );
irpsp->MajorFunction = IRP_MJ_QUERY_VOLUME_INFORMATION;
irpsp->Parameters.QueryVolume.FsInformationClass = context->params.volume.info_class;
irpsp->Parameters.QueryVolume.Length = out_size;
irpsp->DeviceObject = NULL;
irpsp->CompletionRoutine = NULL;
irpsp->FileObject = file;
irp->AssociatedIrp.SystemBuffer = out_buff;
irp->RequestorMode = KernelMode;
irp->UserBuffer = out_buff;
irp->UserIosb = NULL;
irp->UserEvent = NULL;
irp->Tail.Overlay.Thread = (PETHREAD)KeGetCurrentThread();
irp->Tail.Overlay.OriginalFileObject = file;
irp->RequestorMode = UserMode;
context->in_buff = NULL;
irp->Flags |= IRP_DEALLOCATE_BUFFER; /* deallocate out_buff */
return dispatch_irp( device, irp, context );
}
static NTSTATUS dispatch_free( struct dispatch_context *context )
{
void *obj = wine_server_get_ptr( context->params.free.obj );
TRACE( "freeing %p object\n", obj );
free_kernel_object( obj );
return STATUS_SUCCESS;
}
static NTSTATUS dispatch_cancel( struct dispatch_context *context )
{
IRP *irp = wine_server_get_ptr( context->params.cancel.irp );
TRACE( "%p\n", irp );
EnterCriticalSection( &irp_completion_cs );
IoCancelIrp( irp );
LeaveCriticalSection( &irp_completion_cs );
return STATUS_SUCCESS;
}
typedef NTSTATUS (*dispatch_func)( struct dispatch_context *context );
static const dispatch_func dispatch_funcs[] =
{
NULL, /* IRP_CALL_NONE */
dispatch_create, /* IRP_CALL_CREATE */
dispatch_close, /* IRP_CALL_CLOSE */
dispatch_read, /* IRP_CALL_READ */
dispatch_write, /* IRP_CALL_WRITE */
dispatch_flush, /* IRP_CALL_FLUSH */
dispatch_ioctl, /* IRP_CALL_IOCTL */
dispatch_volume, /* IRP_CALL_VOLUME */
dispatch_free, /* IRP_CALL_FREE */
dispatch_cancel /* IRP_CALL_CANCEL */
};
/* helper function to update service status */
static void set_service_status( SERVICE_STATUS_HANDLE handle, DWORD state, DWORD accepted )
{
SERVICE_STATUS status;
status.dwServiceType = SERVICE_WIN32;
status.dwCurrentState = state;
status.dwControlsAccepted = accepted;
status.dwWin32ExitCode = 0;
status.dwServiceSpecificExitCode = 0;
status.dwCheckPoint = 0;
status.dwWaitHint = (state == SERVICE_START_PENDING) ? 10000 : 0;
SetServiceStatus( handle, &status );
}
static void unload_driver( struct wine_rb_entry *entry, void *context )
{
struct wine_driver *driver = WINE_RB_ENTRY_VALUE( entry, struct wine_driver, entry );
SERVICE_STATUS_HANDLE service_handle = driver->service_handle;
LDR_DATA_TABLE_ENTRY *ldr;
if (!service_handle) return; /* not a service */
TRACE("%s\n", debugstr_us(&driver->driver_obj.DriverName));
if (!driver->driver_obj.DriverUnload)
{
TRACE( "driver %s does not support unloading\n", debugstr_us(&driver->driver_obj.DriverName) );
return;
}
ldr = driver->driver_obj.DriverSection;
set_service_status( service_handle, SERVICE_STOP_PENDING, 0 );
TRACE_(relay)( "\1Call driver unload %p (obj=%p)\n", driver->driver_obj.DriverUnload, &driver->driver_obj );
driver->driver_obj.DriverUnload( &driver->driver_obj );
TRACE_(relay)( "\1Ret driver unload %p (obj=%p)\n", driver->driver_obj.DriverUnload, &driver->driver_obj );
FreeLibrary( ldr->DllBase );
IoDeleteDriver( &driver->driver_obj );
set_service_status( service_handle, SERVICE_STOPPED, 0 );
CloseServiceHandle( (void *)service_handle );
}
PEPROCESS PsInitialSystemProcess = NULL;
/***********************************************************************
* wine_ntoskrnl_main_loop (Not a Windows API)
*/
NTSTATUS CDECL wine_ntoskrnl_main_loop( HANDLE stop_event )
{
HANDLE manager = get_device_manager();
struct dispatch_context context = {.in_size = 4096};
NTSTATUS status = STATUS_SUCCESS;
struct wine_driver *driver;
HANDLE handles[2];
/* Set the system process global before setting up the request thread trickery */
PsInitialSystemProcess = IoGetCurrentProcess();
request_thread = GetCurrentThreadId();
pnp_manager_start();
handles[0] = stop_event;
handles[1] = manager;
for (;;)
{
NtCurrentTeb()->Reserved5[1] = NULL;
if (!context.in_buff && !(context.in_buff = HeapAlloc( GetProcessHeap(), 0, context.in_size )))
{
ERR( "failed to allocate buffer\n" );
status = STATUS_NO_MEMORY;
goto done;
}
EnterCriticalSection( &irp_completion_cs );
SERVER_START_REQ( get_next_device_request )
{
req->manager = wine_server_obj_handle( manager );
req->prev = wine_server_obj_handle( context.handle );
if (context.irp_data)
{
IRP *irp = context.irp_data->irp;
req->user_ptr = wine_server_client_ptr( irp );
req->status = status;
if (context.irp_data->complete)
{
/* IRP completed even before we got here; we can report completion now */
unsigned int out_size = get_irp_output_size( irp );
req->prev = wine_server_obj_handle( context.irp_data->handle );
req->pending = irp->PendingReturned;
req->iosb_status = irp->IoStatus.u.Status;
req->result = irp->IoStatus.Information;
if (out_size) wine_server_add_data( req, irp->UserBuffer, out_size );
}
else
{
req->pending = 1;
}
}
else
{
req->user_ptr = 0;
req->status = status;
}
wine_server_set_reply( req, context.in_buff, context.in_size );
if (!(status = wine_server_call( req )))
{
context.handle = wine_server_ptr_handle( reply->next );
context.params = reply->params;
context.in_size = reply->in_size;
client_tid = reply->client_tid;
NtCurrentTeb()->Reserved5[1] = wine_server_get_ptr( reply->client_thread );
}
else
{
context.handle = 0; /* no previous irp */
if (status == STATUS_BUFFER_OVERFLOW)
context.in_size = reply->in_size;
}
}
SERVER_END_REQ;
if (context.irp_data)
{
if (context.irp_data->complete)
{
IRP *irp = context.irp_data->irp;
free_dispatch_irp( context.irp_data );
IoCompleteRequest( irp, IO_NO_INCREMENT );
}
else
{
context.irp_data->async = TRUE;
}
}
LeaveCriticalSection( &irp_completion_cs );
context.irp_data = NULL;
switch (status)
{
case STATUS_SUCCESS:
assert( context.params.type != IRP_CALL_NONE && context.params.type < ARRAY_SIZE(dispatch_funcs) );
status = dispatch_funcs[context.params.type]( &context );
if (!context.in_buff) context.in_size = 4096;
break;
case STATUS_BUFFER_OVERFLOW:
HeapFree( GetProcessHeap(), 0, context.in_buff );
context.in_buff = NULL;
/* restart with larger buffer */
break;
case STATUS_PENDING:
for (;;)
{
DWORD ret = WaitForMultipleObjectsEx( 2, handles, FALSE, INFINITE, TRUE );
if (ret == WAIT_OBJECT_0)
{
HeapFree( GetProcessHeap(), 0, context.in_buff );
status = STATUS_SUCCESS;
goto done;
}
if (ret != WAIT_IO_COMPLETION) break;
}
break;
}
}
done:
/* Native PnP drivers expect that all of their devices will be removed when
* their unload routine is called. Moreover, we cannot unload a module
* until we have removed devices for all lower drivers, so we have to stop
* all devices first, and then unload all drivers. */
WINE_RB_FOR_EACH_ENTRY( driver, &wine_drivers, struct wine_driver, entry )
pnp_manager_stop_driver( driver );
wine_rb_destroy( &wine_drivers, unload_driver, NULL );
pnp_manager_stop();
return status;
}
/***********************************************************************
* IoAllocateDriverObjectExtension (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoAllocateDriverObjectExtension( PDRIVER_OBJECT DriverObject,
PVOID ClientIdentificationAddress,
ULONG DriverObjectExtensionSize,
PVOID *DriverObjectExtension )
{
FIXME( "stub: %p, %p, %lu, %p\n", DriverObject, ClientIdentificationAddress,
DriverObjectExtensionSize, DriverObjectExtension );
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* IoGetDriverObjectExtension (NTOSKRNL.EXE.@)
*/
PVOID WINAPI IoGetDriverObjectExtension( PDRIVER_OBJECT DriverObject,
PVOID ClientIdentificationAddress )
{
FIXME( "stub: %p, %p\n", DriverObject, ClientIdentificationAddress );
return NULL;
}
/***********************************************************************
* IoInitializeIrp (NTOSKRNL.EXE.@)
*/
void WINAPI IoInitializeIrp( IRP *irp, USHORT size, CCHAR stack_size )
{
TRACE( "%p, %u, %d\n", irp, size, stack_size );
RtlZeroMemory( irp, size );
irp->Type = IO_TYPE_IRP;
irp->Size = size;
InitializeListHead( &irp->ThreadListEntry );
irp->StackCount = stack_size;
irp->CurrentLocation = stack_size + 1;
irp->Tail.Overlay.s.u2.CurrentStackLocation =
(PIO_STACK_LOCATION)(irp + 1) + stack_size;
}
void WINAPI IoReuseIrp(IRP *irp, NTSTATUS iostatus)
{
UCHAR AllocationFlags;
TRACE("irp %p, iostatus %#lx.\n", irp, iostatus);
AllocationFlags = irp->AllocationFlags;
IoInitializeIrp(irp, irp->Size, irp->StackCount);
irp->AllocationFlags = AllocationFlags;
irp->IoStatus.u.Status = iostatus;
}
/***********************************************************************
* IoInitializeTimer (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoInitializeTimer(PDEVICE_OBJECT DeviceObject,
PIO_TIMER_ROUTINE TimerRoutine,
PVOID Context)
{
FIXME( "stub: %p, %p, %p\n", DeviceObject, TimerRoutine, Context );
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* IoStartTimer (NTOSKRNL.EXE.@)
*/
void WINAPI IoStartTimer(PDEVICE_OBJECT DeviceObject)
{
FIXME( "stub: %p\n", DeviceObject );
}
/***********************************************************************
* IoStopTimer (NTOSKRNL.EXE.@)
*/
void WINAPI IoStopTimer(PDEVICE_OBJECT DeviceObject)
{
FIXME( "stub: %p\n", DeviceObject );
}
/***********************************************************************
* IoAllocateIrp (NTOSKRNL.EXE.@)
*/
PIRP WINAPI IoAllocateIrp( CCHAR stack_size, BOOLEAN charge_quota )
{
SIZE_T size;
PIRP irp;
CCHAR loc_count = stack_size;
TRACE( "%d, %d\n", stack_size, charge_quota );
if (loc_count < 8 && loc_count != 1)
loc_count = 8;
size = sizeof(IRP) + loc_count * sizeof(IO_STACK_LOCATION);
irp = ExAllocatePool( NonPagedPool, size );
if (irp == NULL)
return NULL;
IoInitializeIrp( irp, size, stack_size );
if (stack_size >= 1 && stack_size <= 8)
irp->AllocationFlags = IRP_ALLOCATED_FIXED_SIZE;
if (charge_quota)
irp->AllocationFlags |= IRP_LOOKASIDE_ALLOCATION;
return irp;
}
/***********************************************************************
* IoFreeIrp (NTOSKRNL.EXE.@)
*/
void WINAPI IoFreeIrp( IRP *irp )
{
MDL *mdl;
TRACE( "%p\n", irp );
mdl = irp->MdlAddress;
while (mdl)
{
MDL *next = mdl->Next;
IoFreeMdl( mdl );
mdl = next;
}
ExFreePool( irp );
}
/***********************************************************************
* IoAllocateErrorLogEntry (NTOSKRNL.EXE.@)
*/
PVOID WINAPI IoAllocateErrorLogEntry( PVOID IoObject, UCHAR EntrySize )
{
FIXME( "stub: %p, %u\n", IoObject, EntrySize );
return NULL;
}
/***********************************************************************
* IoAllocateMdl (NTOSKRNL.EXE.@)
*/
PMDL WINAPI IoAllocateMdl( PVOID va, ULONG length, BOOLEAN secondary, BOOLEAN charge_quota, IRP *irp )
{
SIZE_T mdl_size;
PMDL mdl;
TRACE("(%p, %lu, %i, %i, %p)\n", va, length, secondary, charge_quota, irp);
if (charge_quota)
FIXME("Charge quota is not yet supported\n");
mdl_size = sizeof(MDL) + sizeof(PFN_NUMBER) * ADDRESS_AND_SIZE_TO_SPAN_PAGES(va, length);
mdl = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, mdl_size );
if (!mdl)
return NULL;
MmInitializeMdl( mdl, va, length );
if (!irp) return mdl;
if (secondary) /* add it at the end */
{
MDL **pmdl = &irp->MdlAddress;
while (*pmdl) pmdl = &(*pmdl)->Next;
*pmdl = mdl;
}
else
{
mdl->Next = irp->MdlAddress;
irp->MdlAddress = mdl;
}
return mdl;
}
/***********************************************************************
* IoFreeMdl (NTOSKRNL.EXE.@)
*/
void WINAPI IoFreeMdl(PMDL mdl)
{
TRACE("%p\n", mdl);
HeapFree(GetProcessHeap(), 0, mdl);
}
struct _IO_WORKITEM
{
DEVICE_OBJECT *device;
PIO_WORKITEM_ROUTINE worker;
void *context;
};
/***********************************************************************
* IoAllocateWorkItem (NTOSKRNL.EXE.@)
*/
PIO_WORKITEM WINAPI IoAllocateWorkItem( PDEVICE_OBJECT device )
{
PIO_WORKITEM work_item;
TRACE( "%p\n", device );
if (!(work_item = ExAllocatePool( PagedPool, sizeof(*work_item) ))) return NULL;
work_item->device = device;
return work_item;
}
/***********************************************************************
* IoFreeWorkItem (NTOSKRNL.EXE.@)
*/
void WINAPI IoFreeWorkItem( PIO_WORKITEM work_item )
{
TRACE( "%p\n", work_item );
ExFreePool( work_item );
}
static void WINAPI run_work_item_worker(TP_CALLBACK_INSTANCE *instance, void *context)
{
PIO_WORKITEM work_item = context;
DEVICE_OBJECT *device = work_item->device;
TRACE( "%p: calling %p(%p %p)\n", work_item, work_item->worker, device, work_item->context );
work_item->worker( device, work_item->context );
TRACE( "done\n" );
ObDereferenceObject( device );
}
/***********************************************************************
* IoQueueWorkItem (NTOSKRNL.EXE.@)
*/
void WINAPI IoQueueWorkItem( PIO_WORKITEM work_item, PIO_WORKITEM_ROUTINE worker,
WORK_QUEUE_TYPE type, void *context )
{
TRACE( "%p %p %u %p\n", work_item, worker, type, context );
ObReferenceObject( work_item->device );
work_item->worker = worker;
work_item->context = context;
TrySubmitThreadpoolCallback( run_work_item_worker, work_item, NULL );
}
/***********************************************************************
* IoGetAttachedDevice (NTOSKRNL.EXE.@)
*/
DEVICE_OBJECT* WINAPI IoGetAttachedDevice( DEVICE_OBJECT *device )
{
DEVICE_OBJECT *result = device;
TRACE( "(%p)\n", device );
while (result->AttachedDevice)
result = result->AttachedDevice;
return result;
}
void WINAPI IoDetachDevice( DEVICE_OBJECT *device )
{
device->AttachedDevice = NULL;
}
/***********************************************************************
* IoAttachDeviceToDeviceStack (NTOSKRNL.EXE.@)
*/
PDEVICE_OBJECT WINAPI IoAttachDeviceToDeviceStack( DEVICE_OBJECT *source,
DEVICE_OBJECT *target )
{
TRACE( "%p, %p\n", source, target );
target = IoGetAttachedDevice( target );
target->AttachedDevice = source;
source->StackSize = target->StackSize + 1;
return target;
}
/***********************************************************************
* IoBuildDeviceIoControlRequest (NTOSKRNL.EXE.@)
*/
PIRP WINAPI IoBuildDeviceIoControlRequest( ULONG code, PDEVICE_OBJECT device,
PVOID in_buff, ULONG in_len,
PVOID out_buff, ULONG out_len,
BOOLEAN internal, PKEVENT event,
PIO_STATUS_BLOCK iosb )
{
PIRP irp;
PIO_STACK_LOCATION irpsp;
MDL *mdl;
TRACE( "%lx, %p, %p, %lu, %p, %lu, %u, %p, %p\n",
code, device, in_buff, in_len, out_buff, out_len, internal, event, iosb );
if (device == NULL)
return NULL;
irp = IoAllocateIrp( device->StackSize, FALSE );
if (irp == NULL)
return NULL;
irpsp = IoGetNextIrpStackLocation( irp );
irpsp->MajorFunction = internal ? IRP_MJ_INTERNAL_DEVICE_CONTROL : IRP_MJ_DEVICE_CONTROL;
irpsp->Parameters.DeviceIoControl.IoControlCode = code;
irpsp->Parameters.DeviceIoControl.InputBufferLength = in_len;
irpsp->Parameters.DeviceIoControl.OutputBufferLength = out_len;
irpsp->DeviceObject = NULL;
irpsp->CompletionRoutine = NULL;
switch (code & 3)
{
case METHOD_BUFFERED:
irp->AssociatedIrp.SystemBuffer = in_buff;
break;
case METHOD_IN_DIRECT:
case METHOD_OUT_DIRECT:
irp->AssociatedIrp.SystemBuffer = in_buff;
mdl = IoAllocateMdl( out_buff, out_len, FALSE, FALSE, irp );
if (!mdl)
{
IoFreeIrp( irp );
return NULL;
}
mdl->MdlFlags |= MDL_MAPPED_TO_SYSTEM_VA;
mdl->MappedSystemVa = out_buff;
break;
case METHOD_NEITHER:
irpsp->Parameters.DeviceIoControl.Type3InputBuffer = in_buff;
break;
}
irp->RequestorMode = KernelMode;
irp->UserBuffer = out_buff;
irp->UserIosb = iosb;
irp->UserEvent = event;
irp->Tail.Overlay.Thread = (PETHREAD)KeGetCurrentThread();
return irp;
}
/***********************************************************************
* IoBuildAsynchronousFsdRequest (NTOSKRNL.EXE.@)
*/
PIRP WINAPI IoBuildAsynchronousFsdRequest(ULONG majorfunc, DEVICE_OBJECT *device,
void *buffer, ULONG length, LARGE_INTEGER *startoffset,
IO_STATUS_BLOCK *iosb)
{
PIRP irp;
PIO_STACK_LOCATION irpsp;
TRACE( "(%ld %p %p %ld %p %p)\n", majorfunc, device, buffer, length, startoffset, iosb );
if (!(irp = IoAllocateIrp( device->StackSize, FALSE ))) return NULL;
irpsp = IoGetNextIrpStackLocation( irp );
irpsp->MajorFunction = majorfunc;
irpsp->DeviceObject = NULL;
irpsp->CompletionRoutine = NULL;
irp->AssociatedIrp.SystemBuffer = buffer;
if (device->Flags & DO_DIRECT_IO)
{
MDL *mdl = IoAllocateMdl( buffer, length, FALSE, FALSE, irp );
if (!mdl)
{
IoFreeIrp( irp );
return NULL;
}
mdl->MdlFlags |= MDL_MAPPED_TO_SYSTEM_VA;
mdl->MappedSystemVa = buffer;
}
switch (majorfunc)
{
case IRP_MJ_READ:
irpsp->Parameters.Read.Length = length;
irpsp->Parameters.Read.ByteOffset.QuadPart = startoffset ? startoffset->QuadPart : 0;
break;
case IRP_MJ_WRITE:
irpsp->Parameters.Write.Length = length;
irpsp->Parameters.Write.ByteOffset.QuadPart = startoffset ? startoffset->QuadPart : 0;
break;
}
irp->RequestorMode = KernelMode;
irp->UserIosb = iosb;
irp->UserEvent = NULL;
irp->UserBuffer = buffer;
irp->Tail.Overlay.Thread = (PETHREAD)KeGetCurrentThread();
return irp;
}
/***********************************************************************
* IoBuildSynchronousFsdRequest (NTOSKRNL.EXE.@)
*/
PIRP WINAPI IoBuildSynchronousFsdRequest(ULONG majorfunc, PDEVICE_OBJECT device,
PVOID buffer, ULONG length, PLARGE_INTEGER startoffset,
PKEVENT event, PIO_STATUS_BLOCK iosb)
{
IRP *irp;
TRACE("(%ld %p %p %ld %p %p)\n", majorfunc, device, buffer, length, startoffset, iosb);
irp = IoBuildAsynchronousFsdRequest( majorfunc, device, buffer, length, startoffset, iosb );
if (!irp) return NULL;
irp->UserEvent = event;
return irp;
}
static void build_driver_keypath( const WCHAR *name, UNICODE_STRING *keypath )
{
static const WCHAR driverW[] = {'\\','D','r','i','v','e','r','\\',0};
WCHAR *str;
/* Check what prefix is present */
if (wcsncmp( name, servicesW, lstrlenW(servicesW) ) == 0)
{
FIXME( "Driver name %s is malformed as the keypath\n", debugstr_w(name) );
RtlCreateUnicodeString( keypath, name );
return;
}
if (wcsncmp( name, driverW, lstrlenW(driverW) ) == 0)
name += lstrlenW(driverW);
else
FIXME( "Driver name %s does not properly begin with \\Driver\\\n", debugstr_w(name) );
str = HeapAlloc( GetProcessHeap(), 0, sizeof(servicesW) + lstrlenW(name)*sizeof(WCHAR));
lstrcpyW( str, servicesW );
lstrcatW( str, name );
RtlInitUnicodeString( keypath, str );
}
static NTSTATUS WINAPI unhandled_irp( DEVICE_OBJECT *device, IRP *irp )
{
TRACE( "(%p, %p)\n", device, irp );
irp->IoStatus.u.Status = STATUS_INVALID_DEVICE_REQUEST;
IoCompleteRequest( irp, IO_NO_INCREMENT );
return STATUS_INVALID_DEVICE_REQUEST;
}
static void free_driver_object( void *obj )
{
struct wine_driver *driver = obj;
RtlFreeUnicodeString( &driver->driver_obj.DriverName );
RtlFreeUnicodeString( &driver->driver_obj.DriverExtension->ServiceKeyName );
free_kernel_object( driver );
}
static const WCHAR driver_type_name[] = {'D','r','i','v','e','r',0};
static struct _OBJECT_TYPE driver_type =
{
driver_type_name,
NULL,
free_driver_object
};
POBJECT_TYPE IoDriverObjectType = &driver_type;
/***********************************************************************
* IoCreateDriver (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoCreateDriver( UNICODE_STRING *name, PDRIVER_INITIALIZE init )
{
struct wine_driver *driver;
NTSTATUS status;
unsigned int i;
TRACE("(%s, %p)\n", debugstr_us(name), init);
if (!(driver = alloc_kernel_object( IoDriverObjectType, NULL, sizeof(*driver), 1 )))
return STATUS_NO_MEMORY;
if ((status = RtlDuplicateUnicodeString( 1, name, &driver->driver_obj.DriverName )))
{
free_kernel_object( driver );
return status;
}
driver->driver_obj.Size = sizeof(driver->driver_obj);
driver->driver_obj.DriverInit = init;
driver->driver_obj.DriverExtension = &driver->driver_extension;
driver->driver_extension.DriverObject = &driver->driver_obj;
build_driver_keypath( driver->driver_obj.DriverName.Buffer, &driver->driver_extension.ServiceKeyName );
for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
driver->driver_obj.MajorFunction[i] = unhandled_irp;
list_init( &driver->root_pnp_devices );
EnterCriticalSection( &drivers_cs );
if (wine_rb_put( &wine_drivers, &driver->driver_obj.DriverName, &driver->entry ))
ERR( "failed to insert driver %s in tree\n", debugstr_us(name) );
LeaveCriticalSection( &drivers_cs );
status = driver->driver_obj.DriverInit( &driver->driver_obj, &driver->driver_extension.ServiceKeyName );
if (status)
{
IoDeleteDriver( &driver->driver_obj );
return status;
}
for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
{
if (driver->driver_obj.MajorFunction[i]) continue;
driver->driver_obj.MajorFunction[i] = unhandled_irp;
}
return STATUS_SUCCESS;
}
/***********************************************************************
* IoDeleteDriver (NTOSKRNL.EXE.@)
*/
void WINAPI IoDeleteDriver( DRIVER_OBJECT *driver_object )
{
TRACE( "(%p)\n", driver_object );
EnterCriticalSection( &drivers_cs );
wine_rb_remove_key( &wine_drivers, &driver_object->DriverName );
LeaveCriticalSection( &drivers_cs );
ObDereferenceObject( driver_object );
}
static const WCHAR device_type_name[] = {'D','e','v','i','c','e',0};
static struct _OBJECT_TYPE device_type =
{
device_type_name,
};
POBJECT_TYPE IoDeviceObjectType = &device_type;
/***********************************************************************
* IoCreateDeviceSecure (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoCreateDeviceSecure( DRIVER_OBJECT *driver, ULONG ext_size,
UNICODE_STRING *name, DEVICE_TYPE type,
ULONG characteristics, BOOLEAN exclusive,
PCUNICODE_STRING sddl, LPCGUID guid,
DEVICE_OBJECT **ret_device )
{
FIXME( "(%p, %lu, %s, %lu, %lx, %u, %s, %s, %p): semi-stub\n",
driver, ext_size, debugstr_us(name), type, characteristics, exclusive,
debugstr_us(sddl), wine_dbgstr_guid(guid), ret_device );
return IoCreateDevice( driver, ext_size, name, type, characteristics, exclusive, ret_device );
}
/***********************************************************************
* IoCreateDevice (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoCreateDevice( DRIVER_OBJECT *driver, ULONG ext_size,
UNICODE_STRING *name, DEVICE_TYPE type,
ULONG characteristics, BOOLEAN exclusive,
DEVICE_OBJECT **ret_device )
{
static const WCHAR auto_format[] = {'\\','D','e','v','i','c','e','\\','%','0','8','x',0};
NTSTATUS status;
struct wine_device *wine_device;
DEVICE_OBJECT *device;
HANDLE manager = get_device_manager();
static unsigned int auto_idx = 0;
WCHAR autoW[17];
TRACE( "(%p, %lu, %s, %lu, %lx, %u, %p)\n",
driver, ext_size, debugstr_us(name), type, characteristics, exclusive, ret_device );
if (!(wine_device = alloc_kernel_object( IoDeviceObjectType, NULL, sizeof(struct wine_device) + ext_size, 1 )))
return STATUS_NO_MEMORY;
device = &wine_device->device_obj;
device->DriverObject = driver;
device->DeviceExtension = wine_device + 1;
device->DeviceType = type;
device->StackSize = 1;
if (characteristics & FILE_AUTOGENERATED_DEVICE_NAME)
{
do
{
swprintf( autoW, ARRAY_SIZE(autoW), auto_format, auto_idx++ );
SERVER_START_REQ( create_device )
{
req->rootdir = 0;
req->manager = wine_server_obj_handle( manager );
req->user_ptr = wine_server_client_ptr( device );
wine_server_add_data( req, autoW, lstrlenW(autoW) * sizeof(WCHAR) );
status = wine_server_call( req );
}
SERVER_END_REQ;
} while (status == STATUS_OBJECT_NAME_COLLISION);
}
else
{
SERVER_START_REQ( create_device )
{
req->rootdir = 0;
req->manager = wine_server_obj_handle( manager );
req->user_ptr = wine_server_client_ptr( device );
if (name) wine_server_add_data( req, name->Buffer, name->Length );
status = wine_server_call( req );
}
SERVER_END_REQ;
}
if (status)
{
free_kernel_object( device );
return status;
}
device->NextDevice = driver->DeviceObject;
driver->DeviceObject = device;
*ret_device = device;
return STATUS_SUCCESS;
}
/***********************************************************************
* IoDeleteDevice (NTOSKRNL.EXE.@)
*/
void WINAPI IoDeleteDevice( DEVICE_OBJECT *device )
{
NTSTATUS status;
TRACE( "%p\n", device );
SERVER_START_REQ( delete_device )
{
req->manager = wine_server_obj_handle( get_device_manager() );
req->device = wine_server_client_ptr( device );
status = wine_server_call( req );
}
SERVER_END_REQ;
if (status == STATUS_SUCCESS)
{
struct wine_device *wine_device = CONTAINING_RECORD(device, struct wine_device, device_obj);
DEVICE_OBJECT **prev = &device->DriverObject->DeviceObject;
DEVICE_RELATIONS *children;
unsigned int i;
while (*prev && *prev != device) prev = &(*prev)->NextDevice;
if (*prev) *prev = (*prev)->NextDevice;
if ((children = wine_device->children))
{
for (i = 0; i < children->Count; ++i)
ObDereferenceObject( children->Objects[i] );
ExFreePool( children );
}
ObDereferenceObject( device );
}
}
/***********************************************************************
* IoCreateSymbolicLink (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoCreateSymbolicLink( UNICODE_STRING *name, UNICODE_STRING *target )
{
HANDLE handle;
OBJECT_ATTRIBUTES attr;
NTSTATUS ret;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = name;
attr.Attributes = OBJ_CASE_INSENSITIVE | OBJ_OPENIF | OBJ_PERMANENT;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
TRACE( "%s -> %s\n", debugstr_us(name), debugstr_us(target) );
if (!(ret = NtCreateSymbolicLinkObject( &handle, SYMBOLIC_LINK_ALL_ACCESS, &attr, target )))
NtClose( handle );
return ret;
}
/***********************************************************************
* IoCreateUnprotectedSymbolicLink (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoCreateUnprotectedSymbolicLink( UNICODE_STRING *name, UNICODE_STRING *target )
{
HANDLE handle;
OBJECT_ATTRIBUTES attr;
NTSTATUS ret;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = name;
attr.Attributes = OBJ_CASE_INSENSITIVE | OBJ_OPENIF | OBJ_PERMANENT;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
TRACE( "%s -> %s\n", debugstr_us(name), debugstr_us(target) );
if (!(ret = NtCreateSymbolicLinkObject( &handle, SYMBOLIC_LINK_ALL_ACCESS, &attr, target )))
NtClose( handle );
return ret;
}
/***********************************************************************
* IoDeleteSymbolicLink (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoDeleteSymbolicLink( UNICODE_STRING *name )
{
HANDLE handle;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = name;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
if (!(status = NtOpenSymbolicLinkObject( &handle, 0, &attr )))
{
NtMakeTemporaryObject( handle );
NtClose( handle );
}
return status;
}
/***********************************************************************
* IoGetDeviceInterfaces (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoGetDeviceInterfaces( const GUID *InterfaceClassGuid,
PDEVICE_OBJECT PhysicalDeviceObject,
ULONG Flags, PWSTR *SymbolicLinkList )
{
FIXME( "stub: %s %p %lx %p\n", debugstr_guid(InterfaceClassGuid),
PhysicalDeviceObject, Flags, SymbolicLinkList );
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* IoGetDeviceObjectPointer (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoGetDeviceObjectPointer( UNICODE_STRING *name, ACCESS_MASK access, PFILE_OBJECT *file, PDEVICE_OBJECT *device )
{
static DEVICE_OBJECT stub_device;
static DRIVER_OBJECT stub_driver;
FIXME( "stub: %s %lx %p %p\n", debugstr_us(name), access, file, device );
stub_device.StackSize = 0x80; /* minimum value to appease SecuROM 5.x */
stub_device.DriverObject = &stub_driver;
*file = NULL;
*device = &stub_device;
return STATUS_SUCCESS;
}
/***********************************************************************
* IoCallDriver (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoCallDriver( DEVICE_OBJECT *device, IRP *irp )
{
PDRIVER_DISPATCH dispatch;
IO_STACK_LOCATION *irpsp;
NTSTATUS status;
--irp->CurrentLocation;
irpsp = --irp->Tail.Overlay.s.u2.CurrentStackLocation;
irpsp->DeviceObject = device;
dispatch = device->DriverObject->MajorFunction[irpsp->MajorFunction];
TRACE_(relay)( "\1Call driver dispatch %p (device=%p,irp=%p)\n", dispatch, device, irp );
status = dispatch( device, irp );
TRACE_(relay)( "\1Ret driver dispatch %p (device=%p,irp=%p) retval=%08lx\n",
dispatch, device, irp, status );
return status;
}
/***********************************************************************
* IofCallDriver (NTOSKRNL.EXE.@)
*/
DEFINE_FASTCALL_WRAPPER( IofCallDriver, 8 )
NTSTATUS FASTCALL IofCallDriver( DEVICE_OBJECT *device, IRP *irp )
{
TRACE( "%p %p\n", device, irp );
return IoCallDriver( device, irp );
}
/***********************************************************************
* IoGetRelatedDeviceObject (NTOSKRNL.EXE.@)
*/
PDEVICE_OBJECT WINAPI IoGetRelatedDeviceObject( PFILE_OBJECT obj )
{
FIXME( "stub: %p\n", obj );
return NULL;
}
static CONFIGURATION_INFORMATION configuration_information;
/***********************************************************************
* IoGetConfigurationInformation (NTOSKRNL.EXE.@)
*/
PCONFIGURATION_INFORMATION WINAPI IoGetConfigurationInformation(void)
{
FIXME( "partial stub\n" );
/* FIXME: return actual devices on system */
return &configuration_information;
}
/***********************************************************************
* IoGetStackLimits (NTOSKRNL.EXE.@)
*/
void WINAPI IoGetStackLimits(ULONG_PTR *low, ULONG_PTR *high)
{
TEB *teb = NtCurrentTeb();
TRACE( "%p %p\n", low, high );
*low = (DWORD_PTR)teb->Tib.StackLimit;
*high = (DWORD_PTR)teb->Tib.StackBase;
}
/***********************************************************************
* IoIsWdmVersionAvailable (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoIsWdmVersionAvailable(UCHAR MajorVersion, UCHAR MinorVersion)
{
DWORD version;
DWORD major;
DWORD minor;
TRACE( "%d, 0x%X\n", MajorVersion, MinorVersion );
version = GetVersion();
major = LOBYTE(version);
minor = HIBYTE(LOWORD(version));
if (MajorVersion == 6 && MinorVersion == 0)
{
/* Windows Vista, Windows Server 2008, Windows 7 */
}
else if (MajorVersion == 1)
{
if (MinorVersion == 0x30)
{
/* Windows server 2003 */
MajorVersion = 6;
MinorVersion = 0;
}
else if (MinorVersion == 0x20)
{
/* Windows XP */
MajorVersion = 5;
MinorVersion = 1;
}
else if (MinorVersion == 0x10)
{
/* Windows 2000 */
MajorVersion = 5;
MinorVersion = 0;
}
else if (MinorVersion == 0x05)
{
/* Windows ME */
MajorVersion = 4;
MinorVersion = 0x5a;
}
else if (MinorVersion == 0x00)
{
/* Windows 98 */
MajorVersion = 4;
MinorVersion = 0x0a;
}
else
{
FIXME( "unknown major %d minor 0x%X\n", MajorVersion, MinorVersion );
return FALSE;
}
}
else
{
FIXME( "unknown major %d minor 0x%X\n", MajorVersion, MinorVersion );
return FALSE;
}
return major > MajorVersion || (major == MajorVersion && minor >= MinorVersion);
}
/***********************************************************************
* IoQueryDeviceDescription (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoQueryDeviceDescription(PINTERFACE_TYPE itype, PULONG bus, PCONFIGURATION_TYPE ctype,
PULONG cnum, PCONFIGURATION_TYPE ptype, PULONG pnum,
PIO_QUERY_DEVICE_ROUTINE callout, PVOID context)
{
FIXME( "(%p %p %p %p %p %p %p %p)\n", itype, bus, ctype, cnum, ptype, pnum, callout, context);
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* IoRegisterDriverReinitialization (NTOSKRNL.EXE.@)
*/
void WINAPI IoRegisterDriverReinitialization( PDRIVER_OBJECT obj, PDRIVER_REINITIALIZE reinit, PVOID context )
{
FIXME( "stub: %p %p %p\n", obj, reinit, context );
}
/***********************************************************************
* IoRegisterBootDriverReinitialization (NTOSKRNL.EXE.@)
*/
void WINAPI IoRegisterBootDriverReinitialization(DRIVER_OBJECT *driver, PDRIVER_REINITIALIZE proc, void *ctx)
{
FIXME("driver %p, proc %p, ctx %p, stub!\n", driver, proc, ctx);
}
/***********************************************************************
* IoRegisterShutdownNotification (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoRegisterShutdownNotification( PDEVICE_OBJECT obj )
{
FIXME( "stub: %p\n", obj );
return STATUS_SUCCESS;
}
/***********************************************************************
* IoUnregisterShutdownNotification (NTOSKRNL.EXE.@)
*/
VOID WINAPI IoUnregisterShutdownNotification( PDEVICE_OBJECT obj )
{
FIXME( "stub: %p\n", obj );
}
/***********************************************************************
* IoReportResourceForDetection (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoReportResourceForDetection( DRIVER_OBJECT *drv_obj, CM_RESOURCE_LIST *drv_list, ULONG drv_size,
DEVICE_OBJECT *dev_obj, CM_RESOURCE_LIST *dev_list, ULONG dev_size,
BOOLEAN *conflict )
{
FIXME( "(%p, %p, %lu, %p, %p, %lu, %p): stub\n", drv_obj, drv_list, drv_size,
dev_obj, dev_list, dev_size, conflict );
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* IoReportResourceUsage (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoReportResourceUsage( UNICODE_STRING *name, DRIVER_OBJECT *drv_obj, CM_RESOURCE_LIST *drv_list,
ULONG drv_size, DRIVER_OBJECT *dev_obj, CM_RESOURCE_LIST *dev_list,
ULONG dev_size, BOOLEAN overwrite, BOOLEAN *conflict )
{
FIXME( "(%s, %p, %p, %lu, %p, %p, %lu, %d, %p): stub\n", debugstr_us(name),
drv_obj, drv_list, drv_size, dev_obj, dev_list, dev_size, overwrite, conflict );
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* IoCompleteRequest (NTOSKRNL.EXE.@)
*/
VOID WINAPI IoCompleteRequest( IRP *irp, UCHAR priority_boost )
{
IO_STACK_LOCATION *irpsp;
PIO_COMPLETION_ROUTINE routine;
NTSTATUS status, stat;
DEVICE_OBJECT *device;
int call_flag = 0;
TRACE( "%p %u\n", irp, priority_boost );
status = irp->IoStatus.u.Status;
while (irp->CurrentLocation <= irp->StackCount)
{
irpsp = irp->Tail.Overlay.s.u2.CurrentStackLocation;
routine = irpsp->CompletionRoutine;
call_flag = 0;
if (routine)
{
if ((irpsp->Control & SL_INVOKE_ON_SUCCESS) && STATUS_SUCCESS == status)
call_flag = 1;
if ((irpsp->Control & SL_INVOKE_ON_ERROR) && STATUS_SUCCESS != status)
call_flag = 1;
if ((irpsp->Control & SL_INVOKE_ON_CANCEL) && irp->Cancel)
call_flag = 1;
}
++irp->CurrentLocation;
++irp->Tail.Overlay.s.u2.CurrentStackLocation;
if (irp->CurrentLocation <= irp->StackCount)
device = IoGetCurrentIrpStackLocation(irp)->DeviceObject;
else
device = NULL;
irp->PendingReturned = !!(irpsp->Control & SL_PENDING_RETURNED);
irpsp->Control = 0;
if (call_flag)
{
TRACE( "calling %p( %p, %p, %p )\n", routine, device, irp, irpsp->Context );
stat = routine( device, irp, irpsp->Context );
TRACE( "CompletionRoutine returned %lx\n", stat );
if (STATUS_MORE_PROCESSING_REQUIRED == stat)
return;
}
}
if (irp->Flags & IRP_DEALLOCATE_BUFFER)
HeapFree( GetProcessHeap(), 0, irp->AssociatedIrp.SystemBuffer );
if (irp->UserIosb) *irp->UserIosb = irp->IoStatus;
if (irp->UserEvent) KeSetEvent( irp->UserEvent, IO_NO_INCREMENT, FALSE );
IoFreeIrp( irp );
}
/***********************************************************************
* IofCompleteRequest (NTOSKRNL.EXE.@)
*/
DEFINE_FASTCALL_WRAPPER( IofCompleteRequest, 8 )
void FASTCALL IofCompleteRequest( IRP *irp, UCHAR priority_boost )
{
TRACE( "%p %u\n", irp, priority_boost );
IoCompleteRequest( irp, priority_boost );
}
/***********************************************************************
* IoCancelIrp (NTOSKRNL.EXE.@)
*/
BOOLEAN WINAPI IoCancelIrp( IRP *irp )
{
PDRIVER_CANCEL cancel_routine;
KIRQL irql;
TRACE( "(%p)\n", irp );
IoAcquireCancelSpinLock( &irql );
irp->Cancel = TRUE;
if (!(cancel_routine = IoSetCancelRoutine( irp, NULL )))
{
IoReleaseCancelSpinLock( irp->CancelIrql );
return FALSE;
}
/* CancelRoutine is responsible for calling IoReleaseCancelSpinLock */
irp->CancelIrql = irql;
cancel_routine( IoGetCurrentIrpStackLocation(irp)->DeviceObject, irp );
return TRUE;
}
/***********************************************************************
* InterlockedCompareExchange (NTOSKRNL.EXE.@)
*/
DEFINE_FASTCALL_WRAPPER( NTOSKRNL_InterlockedCompareExchange, 12 )
LONG FASTCALL NTOSKRNL_InterlockedCompareExchange( LONG volatile *dest, LONG xchg, LONG compare )
{
return InterlockedCompareExchange( dest, xchg, compare );
}
/***********************************************************************
* InterlockedDecrement (NTOSKRNL.EXE.@)
*/
DEFINE_FASTCALL1_WRAPPER( NTOSKRNL_InterlockedDecrement )
LONG FASTCALL NTOSKRNL_InterlockedDecrement( LONG volatile *dest )
{
return InterlockedDecrement( dest );
}
/***********************************************************************
* InterlockedExchange (NTOSKRNL.EXE.@)
*/
DEFINE_FASTCALL_WRAPPER( NTOSKRNL_InterlockedExchange, 8 )
LONG FASTCALL NTOSKRNL_InterlockedExchange( LONG volatile *dest, LONG val )
{
return InterlockedExchange( dest, val );
}
/***********************************************************************
* InterlockedExchangeAdd (NTOSKRNL.EXE.@)
*/
DEFINE_FASTCALL_WRAPPER( NTOSKRNL_InterlockedExchangeAdd, 8 )
LONG FASTCALL NTOSKRNL_InterlockedExchangeAdd( LONG volatile *dest, LONG incr )
{
return InterlockedExchangeAdd( dest, incr );
}
/***********************************************************************
* InterlockedIncrement (NTOSKRNL.EXE.@)
*/
DEFINE_FASTCALL1_WRAPPER( NTOSKRNL_InterlockedIncrement )
LONG FASTCALL NTOSKRNL_InterlockedIncrement( LONG volatile *dest )
{
return InterlockedIncrement( dest );
}
/***********************************************************************
* ExAllocatePool (NTOSKRNL.EXE.@)
*/
PVOID WINAPI ExAllocatePool( POOL_TYPE type, SIZE_T size )
{
return ExAllocatePoolWithTag( type, size, 0 );
}
/***********************************************************************
* ExAllocatePoolWithQuota (NTOSKRNL.EXE.@)
*/
PVOID WINAPI ExAllocatePoolWithQuota( POOL_TYPE type, SIZE_T size )
{
return ExAllocatePoolWithTag( type, size, 0 );
}
/***********************************************************************
* ExAllocatePoolWithTag (NTOSKRNL.EXE.@)
*/
PVOID WINAPI ExAllocatePoolWithTag( POOL_TYPE type, SIZE_T size, ULONG tag )
{
/* FIXME: handle page alignment constraints */
void *ret = HeapAlloc( ntoskrnl_heap, 0, size );
TRACE( "%Iu pool %u -> %p\n", size, type, ret );
return ret;
}
/***********************************************************************
* ExAllocatePoolWithQuotaTag (NTOSKRNL.EXE.@)
*/
PVOID WINAPI ExAllocatePoolWithQuotaTag( POOL_TYPE type, SIZE_T size, ULONG tag )
{
return ExAllocatePoolWithTag( type, size, tag );
}
/***********************************************************************
* ExCreateCallback (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI ExCreateCallback(PCALLBACK_OBJECT *obj, POBJECT_ATTRIBUTES attr,
BOOLEAN create, BOOLEAN allow_multiple)
{
FIXME("(%p, %p, %u, %u): stub\n", obj, attr, create, allow_multiple);
return STATUS_SUCCESS;
}
void * WINAPI ExRegisterCallback(PCALLBACK_OBJECT callback_object,
PCALLBACK_FUNCTION callback_function, void *callback_context)
{
FIXME("callback_object %p, callback_function %p, callback_context %p stub.\n",
callback_object, callback_function, callback_context);
return (void *)0xdeadbeef;
}
void WINAPI ExUnregisterCallback(void *callback_registration)
{
FIXME("callback_registration %p stub.\n", callback_registration);
}
/***********************************************************************
* ExNotifyCallback (NTOSKRNL.EXE.@)
*/
void WINAPI ExNotifyCallback(void *obj, void *arg1, void *arg2)
{
FIXME("(%p, %p, %p): stub\n", obj, arg1, arg2);
}
/***********************************************************************
* ExFreePool (NTOSKRNL.EXE.@)
*/
void WINAPI ExFreePool( void *ptr )
{
ExFreePoolWithTag( ptr, 0 );
}
/***********************************************************************
* ExFreePoolWithTag (NTOSKRNL.EXE.@)
*/
void WINAPI ExFreePoolWithTag( void *ptr, ULONG tag )
{
TRACE( "%p\n", ptr );
HeapFree( ntoskrnl_heap, 0, ptr );
}
static void initialize_lookaside_list( GENERAL_LOOKASIDE *lookaside, PALLOCATE_FUNCTION allocate, PFREE_FUNCTION free,
ULONG type, SIZE_T size, ULONG tag )
{
RtlInitializeSListHead( &lookaside->u.ListHead );
lookaside->Depth = 4;
lookaside->MaximumDepth = 256;
lookaside->TotalAllocates = 0;
lookaside->u2.AllocateMisses = 0;
lookaside->TotalFrees = 0;
lookaside->u3.FreeMisses = 0;
lookaside->Type = type;
lookaside->Tag = tag;
lookaside->Size = size;
lookaside->u4.Allocate = allocate ? allocate : ExAllocatePoolWithTag;
lookaside->u5.Free = free ? free : ExFreePool;
lookaside->LastTotalAllocates = 0;
lookaside->u6.LastAllocateMisses = 0;
/* FIXME: insert in global list of lookadside lists */
}
/***********************************************************************
* ExInitializeNPagedLookasideList (NTOSKRNL.EXE.@)
*/
void WINAPI ExInitializeNPagedLookasideList(PNPAGED_LOOKASIDE_LIST lookaside,
PALLOCATE_FUNCTION allocate,
PFREE_FUNCTION free,
ULONG flags,
SIZE_T size,
ULONG tag,
USHORT depth)
{
TRACE( "%p, %p, %p, %lu, %Iu, %lu, %u\n", lookaside, allocate, free, flags, size, tag, depth );
initialize_lookaside_list( &lookaside->L, allocate, free, NonPagedPool | flags, size, tag );
}
/***********************************************************************
* ExInitializePagedLookasideList (NTOSKRNL.EXE.@)
*/
void WINAPI ExInitializePagedLookasideList(PPAGED_LOOKASIDE_LIST lookaside,
PALLOCATE_FUNCTION allocate,
PFREE_FUNCTION free,
ULONG flags,
SIZE_T size,
ULONG tag,
USHORT depth)
{
TRACE( "%p, %p, %p, %lu, %Iu, %lu, %u\n", lookaside, allocate, free, flags, size, tag, depth );
initialize_lookaside_list( &lookaside->L, allocate, free, PagedPool | flags, size, tag );
}
static void delete_lookaside_list( GENERAL_LOOKASIDE *lookaside )
{
void *entry;
while ((entry = RtlInterlockedPopEntrySList(&lookaside->u.ListHead)))
lookaside->u5.FreeEx(entry, (LOOKASIDE_LIST_EX*)lookaside);
}
/***********************************************************************
* ExDeleteNPagedLookasideList (NTOSKRNL.EXE.@)
*/
void WINAPI ExDeleteNPagedLookasideList( PNPAGED_LOOKASIDE_LIST lookaside )
{
TRACE( "%p\n", lookaside );
delete_lookaside_list( &lookaside->L );
}
/***********************************************************************
* ExDeletePagedLookasideList (NTOSKRNL.EXE.@)
*/
void WINAPI ExDeletePagedLookasideList( PPAGED_LOOKASIDE_LIST lookaside )
{
TRACE( "%p\n", lookaside );
delete_lookaside_list( &lookaside->L );
}
/***********************************************************************
* ExInitializeZone (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI ExInitializeZone(PZONE_HEADER Zone,
ULONG BlockSize,
PVOID InitialSegment,
ULONG InitialSegmentSize)
{
FIXME( "stub: %p, %lu, %p, %lu\n", Zone, BlockSize, InitialSegment, InitialSegmentSize );
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* FsRtlIsNameInExpression (NTOSKRNL.EXE.@)
*/
BOOLEAN WINAPI FsRtlIsNameInExpression(PUNICODE_STRING expression, PUNICODE_STRING name,
BOOLEAN ignore, PWCH upcase)
{
FIXME("stub: %p %p %d %p\n", expression, name, ignore, upcase);
return FALSE;
}
/***********************************************************************
* FsRtlRegisterUncProvider (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI FsRtlRegisterUncProvider(PHANDLE MupHandle, PUNICODE_STRING RedirDevName,
BOOLEAN MailslotsSupported)
{
FIXME("(%p %p %d): stub\n", MupHandle, RedirDevName, MailslotsSupported);
return STATUS_NOT_IMPLEMENTED;
}
static void *create_process_object( HANDLE handle )
{
PEPROCESS process;
if (!(process = alloc_kernel_object( PsProcessType, handle, sizeof(*process), 0 ))) return NULL;
process->header.Type = 3;
process->header.WaitListHead.Blink = INVALID_HANDLE_VALUE; /* mark as kernel object */
NtQueryInformationProcess( handle, ProcessBasicInformation, &process->info, sizeof(process->info), NULL );
IsWow64Process( handle, &process->wow64 );
return process;
}
static const WCHAR process_type_name[] = {'P','r','o','c','e','s','s',0};
static struct _OBJECT_TYPE process_type =
{
process_type_name,
create_process_object
};
POBJECT_TYPE PsProcessType = &process_type;
/***********************************************************************
* IoGetCurrentProcess / PsGetCurrentProcess (NTOSKRNL.EXE.@)
*/
PEPROCESS WINAPI IoGetCurrentProcess(void)
{
return KeGetCurrentThread()->process;
}
/***********************************************************************
* PsLookupProcessByProcessId (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI PsLookupProcessByProcessId( HANDLE processid, PEPROCESS *process )
{
NTSTATUS status;
HANDLE handle;
TRACE( "(%p %p)\n", processid, process );
if (!(handle = OpenProcess( PROCESS_ALL_ACCESS, FALSE, HandleToUlong(processid) )))
return STATUS_INVALID_PARAMETER;
status = ObReferenceObjectByHandle( handle, PROCESS_ALL_ACCESS, PsProcessType, KernelMode, (void**)process, NULL );
NtClose( handle );
return status;
}
/*********************************************************************
* PsGetProcessId (NTOSKRNL.@)
*/
HANDLE WINAPI PsGetProcessId(PEPROCESS process)
{
TRACE( "%p -> %Ix\n", process, process->info.UniqueProcessId );
return (HANDLE)process->info.UniqueProcessId;
}
/*********************************************************************
* PsGetProcessInheritedFromUniqueProcessId (NTOSKRNL.@)
*/
HANDLE WINAPI PsGetProcessInheritedFromUniqueProcessId( PEPROCESS process )
{
HANDLE id = (HANDLE)process->info.InheritedFromUniqueProcessId;
TRACE( "%p -> %p\n", process, id );
return id;
}
static void *create_thread_object( HANDLE handle )
{
THREAD_BASIC_INFORMATION info;
struct _KTHREAD *thread;
HANDLE process;
if (!(thread = alloc_kernel_object( PsThreadType, handle, sizeof(*thread), 0 ))) return NULL;
thread->header.Type = 6;
thread->header.WaitListHead.Blink = INVALID_HANDLE_VALUE; /* mark as kernel object */
thread->user_affinity = 0;
if (!NtQueryInformationThread( handle, ThreadBasicInformation, &info, sizeof(info), NULL ))
{
thread->id = info.ClientId;
if ((process = OpenProcess( PROCESS_QUERY_INFORMATION, FALSE, HandleToUlong(thread->id.UniqueProcess) )))
{
kernel_object_from_handle( process, PsProcessType, (void**)&thread->process );
NtClose( process );
}
}
return thread;
}
static const WCHAR thread_type_name[] = {'T','h','r','e','a','d',0};
static struct _OBJECT_TYPE thread_type =
{
thread_type_name,
create_thread_object
};
POBJECT_TYPE PsThreadType = &thread_type;
/***********************************************************************
* KeGetCurrentThread / PsGetCurrentThread (NTOSKRNL.EXE.@)
*/
PRKTHREAD WINAPI KeGetCurrentThread(void)
{
struct _KTHREAD *thread = NtCurrentTeb()->Reserved5[1];
if (!thread)
{
HANDLE handle = GetCurrentThread();
/* FIXME: we shouldn't need it, GetCurrentThread() should be client thread already */
if (GetCurrentThreadId() == request_thread)
handle = OpenThread( THREAD_QUERY_INFORMATION, FALSE, client_tid );
kernel_object_from_handle( handle, PsThreadType, (void**)&thread );
if (handle != GetCurrentThread()) NtClose( handle );
NtCurrentTeb()->Reserved5[1] = thread;
}
return thread;
}
/*****************************************************
* PsLookupThreadByThreadId (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI PsLookupThreadByThreadId( HANDLE threadid, PETHREAD *thread )
{
OBJECT_ATTRIBUTES attr;
CLIENT_ID cid;
NTSTATUS status;
HANDLE handle;
TRACE( "(%p %p)\n", threadid, thread );
cid.UniqueProcess = 0;
cid.UniqueThread = threadid;
InitializeObjectAttributes( &attr, NULL, 0, NULL, NULL );
status = NtOpenThread( &handle, THREAD_QUERY_INFORMATION, &attr, &cid );
if (status) return status;
status = ObReferenceObjectByHandle( handle, THREAD_ALL_ACCESS, PsThreadType, KernelMode, (void**)thread, NULL );
NtClose( handle );
return status;
}
/*********************************************************************
* PsGetThreadId (NTOSKRNL.@)
*/
HANDLE WINAPI PsGetThreadId(PETHREAD thread)
{
TRACE( "%p -> %p\n", thread, thread->kthread.id.UniqueThread );
return thread->kthread.id.UniqueThread;
}
/*********************************************************************
* PsGetThreadProcessId (NTOSKRNL.@)
*/
HANDLE WINAPI PsGetThreadProcessId( PETHREAD thread )
{
TRACE( "%p -> %p\n", thread, thread->kthread.id.UniqueProcess );
return thread->kthread.id.UniqueProcess;
}
/***********************************************************************
* KeInsertQueue (NTOSKRNL.EXE.@)
*/
LONG WINAPI KeInsertQueue(PRKQUEUE Queue, PLIST_ENTRY Entry)
{
FIXME( "stub: %p %p\n", Queue, Entry );
return 0;
}
/***********************************************************************
* KeInsertQueueDpc (NTOSKRNL.EXE.@)
*/
BOOLEAN WINAPI KeInsertQueueDpc(PRKDPC Dpc, PVOID SystemArgument1, PVOID SystemArgument2)
{
FIXME( "stub: (%p %p %p)\n", Dpc, SystemArgument1, SystemArgument2 );
return TRUE;
}
/**********************************************************************
* KeQueryActiveProcessors (NTOSKRNL.EXE.@)
*
* Return the active Processors as bitmask
*
* RETURNS
* active Processors as bitmask
*
*/
KAFFINITY WINAPI KeQueryActiveProcessors( void )
{
DWORD_PTR affinity_mask;
GetProcessAffinityMask( GetCurrentProcess(), NULL, &affinity_mask);
return affinity_mask;
}
ULONG WINAPI KeQueryActiveProcessorCountEx(USHORT group_number)
{
TRACE("group_number %u.\n", group_number);
return GetActiveProcessorCount(group_number);
}
ULONG WINAPI KeQueryActiveProcessorCount(PKAFFINITY active_processors)
{
TRACE("active_processors %p.\n", active_processors);
if(active_processors)
*active_processors = KeQueryActiveProcessors();
return KeQueryActiveProcessorCountEx(ALL_PROCESSOR_GROUPS);
}
/**********************************************************************
* KeQueryInterruptTime (NTOSKRNL.EXE.@)
*
* Return the interrupt time count
*
*/
ULONGLONG WINAPI KeQueryInterruptTime( void )
{
LARGE_INTEGER totaltime;
KeQueryTickCount(&totaltime);
return totaltime.QuadPart;
}
/***********************************************************************
* KeQueryPriorityThread (NTOSKRNL.EXE.@)
*/
KPRIORITY WINAPI KeQueryPriorityThread( PKTHREAD Thread )
{
FIXME("(%p): stub.\n", Thread);
/* priority must be a value between 0 and 31 */
return 15;
}
/***********************************************************************
* KeQuerySystemTime (NTOSKRNL.EXE.@)
*/
void WINAPI KeQuerySystemTime( LARGE_INTEGER *time )
{
NtQuerySystemTime( time );
}
/***********************************************************************
* KeQueryTickCount (NTOSKRNL.EXE.@)
*/
void WINAPI KeQueryTickCount( LARGE_INTEGER *count )
{
count->QuadPart = NtGetTickCount();
/* update the global variable too */
KeTickCount.LowPart = count->u.LowPart;
KeTickCount.High1Time = count->u.HighPart;
KeTickCount.High2Time = count->u.HighPart;
}
/***********************************************************************
* KeQueryTimeIncrement (NTOSKRNL.EXE.@)
*/
ULONG WINAPI KeQueryTimeIncrement(void)
{
return 10000;
}
/***********************************************************************
* KeSetPriorityThread (NTOSKRNL.EXE.@)
*/
KPRIORITY WINAPI KeSetPriorityThread( PKTHREAD Thread, KPRIORITY Priority )
{
FIXME("(%p %ld)\n", Thread, Priority);
return Priority;
}
/***********************************************************************
* KeSetSystemAffinityThread (NTOSKRNL.EXE.@)
*/
VOID WINAPI KeSetSystemAffinityThread(KAFFINITY affinity)
{
KeSetSystemAffinityThreadEx(affinity);
}
KAFFINITY WINAPI KeSetSystemAffinityThreadEx(KAFFINITY affinity)
{
DWORD_PTR system_affinity = KeQueryActiveProcessors();
PKTHREAD thread = KeGetCurrentThread();
GROUP_AFFINITY old, new;
TRACE("affinity %#Ix.\n", affinity);
affinity &= system_affinity;
NtQueryInformationThread(GetCurrentThread(), ThreadGroupInformation,
&old, sizeof(old), NULL);
if (old.Mask != system_affinity)
thread->user_affinity = old.Mask;
memset(&new, 0, sizeof(new));
new.Mask = affinity;
return NtSetInformationThread(GetCurrentThread(), ThreadGroupInformation, &new, sizeof(new))
? 0 : thread->user_affinity;
}
/***********************************************************************
* KeRevertToUserAffinityThread (NTOSKRNL.EXE.@)
*/
void WINAPI KeRevertToUserAffinityThread(void)
{
KeRevertToUserAffinityThreadEx(0);
}
void WINAPI KeRevertToUserAffinityThreadEx(KAFFINITY affinity)
{
DWORD_PTR system_affinity = KeQueryActiveProcessors();
PRKTHREAD thread = KeGetCurrentThread();
GROUP_AFFINITY new;
TRACE("affinity %#Ix.\n", affinity);
affinity &= system_affinity;
memset(&new, 0, sizeof(new));
new.Mask = affinity ? affinity
: (thread->user_affinity ? thread->user_affinity : system_affinity);
NtSetInformationThread(GetCurrentThread(), ThreadGroupInformation, &new, sizeof(new));
thread->user_affinity = affinity;
}
/***********************************************************************
* IoRegisterFileSystem (NTOSKRNL.EXE.@)
*/
VOID WINAPI IoRegisterFileSystem(PDEVICE_OBJECT DeviceObject)
{
FIXME("(%p): stub\n", DeviceObject);
}
/***********************************************************************
* KeExpandKernelStackAndCalloutEx (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI KeExpandKernelStackAndCalloutEx(PEXPAND_STACK_CALLOUT callout, void *parameter, SIZE_T size,
BOOLEAN wait, void *context)
{
WARN("(%p %p %Iu %x %p) semi-stub: ignoring stack expand\n", callout, parameter, size, wait, context);
callout(parameter);
return STATUS_SUCCESS;
}
/***********************************************************************
* KeExpandKernelStackAndCallout (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI KeExpandKernelStackAndCallout(PEXPAND_STACK_CALLOUT callout, void *parameter, SIZE_T size)
{
return KeExpandKernelStackAndCalloutEx(callout, parameter, size, TRUE, NULL);
}
/***********************************************************************
* IoUnregisterFileSystem (NTOSKRNL.EXE.@)
*/
VOID WINAPI IoUnregisterFileSystem(PDEVICE_OBJECT DeviceObject)
{
FIXME("(%p): stub\n", DeviceObject);
}
/***********************************************************************
* MmAllocateNonCachedMemory (NTOSKRNL.EXE.@)
*/
PVOID WINAPI MmAllocateNonCachedMemory( SIZE_T size )
{
TRACE( "%Iu\n", size );
return VirtualAlloc( NULL, size, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE|PAGE_NOCACHE );
}
/***********************************************************************
* MmAllocateContiguousMemory (NTOSKRNL.EXE.@)
*/
PVOID WINAPI MmAllocateContiguousMemory( SIZE_T size, PHYSICAL_ADDRESS highest_valid_address )
{
FIXME( "%Iu, %s stub\n", size, wine_dbgstr_longlong(highest_valid_address.QuadPart) );
return NULL;
}
/***********************************************************************
* MmAllocateContiguousMemorySpecifyCache (NTOSKRNL.EXE.@)
*/
PVOID WINAPI MmAllocateContiguousMemorySpecifyCache( SIZE_T size,
PHYSICAL_ADDRESS lowest_valid_address,
PHYSICAL_ADDRESS highest_valid_address,
PHYSICAL_ADDRESS BoundaryAddressMultiple,
MEMORY_CACHING_TYPE CacheType )
{
FIXME(": stub\n");
return NULL;
}
/***********************************************************************
* MmAllocatePagesForMdl (NTOSKRNL.EXE.@)
*/
PMDL WINAPI MmAllocatePagesForMdl(PHYSICAL_ADDRESS lowaddress, PHYSICAL_ADDRESS highaddress,
PHYSICAL_ADDRESS skipbytes, SIZE_T size)
{
FIXME("%s %s %s %Iu: stub\n", wine_dbgstr_longlong(lowaddress.QuadPart), wine_dbgstr_longlong(highaddress.QuadPart),
wine_dbgstr_longlong(skipbytes.QuadPart), size);
return NULL;
}
/***********************************************************************
* MmBuildMdlForNonPagedPool (NTOSKRNL.EXE.@)
*/
void WINAPI MmBuildMdlForNonPagedPool(MDL *mdl)
{
FIXME("stub: %p\n", mdl);
}
/***********************************************************************
* MmCreateSection (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI MmCreateSection( HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr,
LARGE_INTEGER *size, ULONG protect, ULONG alloc_attr,
HANDLE file, FILE_OBJECT *file_obj )
{
FIXME("%p %#lx %p %s %#lx %#lx %p %p: stub\n", handle, access, attr,
wine_dbgstr_longlong(size->QuadPart), protect, alloc_attr, file, file_obj);
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* MmFreeNonCachedMemory (NTOSKRNL.EXE.@)
*/
void WINAPI MmFreeNonCachedMemory( void *addr, SIZE_T size )
{
TRACE( "%p %Iu\n", addr, size );
VirtualFree( addr, 0, MEM_RELEASE );
}
/***********************************************************************
* MmIsAddressValid (NTOSKRNL.EXE.@)
*
* Check if the process can access the virtual address without a pagefault
*
* PARAMS
* VirtualAddress [I] Address to check
*
* RETURNS
* Failure: FALSE
* Success: TRUE (Accessing the Address works without a Pagefault)
*
*/
BOOLEAN WINAPI MmIsAddressValid(PVOID VirtualAddress)
{
TRACE("(%p)\n", VirtualAddress);
return !IsBadReadPtr(VirtualAddress, 1);
}
/***********************************************************************
* MmGetPhysicalAddress (NTOSKRNL.EXE.@)
*/
PHYSICAL_ADDRESS WINAPI MmGetPhysicalAddress(void *virtual_address)
{
PHYSICAL_ADDRESS ret;
FIXME("(%p): semi-stub\n", virtual_address);
ret.QuadPart = (ULONG_PTR)virtual_address;
return ret;
}
/***********************************************************************
* MmMapIoSpace (NTOSKRNL.EXE.@)
*/
PVOID WINAPI MmMapIoSpace( PHYSICAL_ADDRESS PhysicalAddress, DWORD NumberOfBytes, DWORD CacheType )
{
FIXME( "stub: 0x%08lx%08lx, %ld, %ld\n", PhysicalAddress.u.HighPart, PhysicalAddress.u.LowPart, NumberOfBytes, CacheType );
return NULL;
}
/***********************************************************************
* MmLockPagableSectionByHandle (NTOSKRNL.EXE.@)
*/
VOID WINAPI MmLockPagableSectionByHandle(PVOID ImageSectionHandle)
{
FIXME("stub %p\n", ImageSectionHandle);
}
/***********************************************************************
* MmMapLockedPagesSpecifyCache (NTOSKRNL.EXE.@)
*/
PVOID WINAPI MmMapLockedPagesSpecifyCache(PMDLX MemoryDescriptorList, KPROCESSOR_MODE AccessMode, MEMORY_CACHING_TYPE CacheType,
PVOID BaseAddress, ULONG BugCheckOnFailure, MM_PAGE_PRIORITY Priority)
{
FIXME("(%p, %u, %u, %p, %lu, %u): stub\n", MemoryDescriptorList, AccessMode, CacheType, BaseAddress, BugCheckOnFailure, Priority);
return NULL;
}
/***********************************************************************
* MmUnmapLockedPages (NTOSKRNL.EXE.@)
*/
void WINAPI MmUnmapLockedPages( void *base, MDL *mdl )
{
FIXME( "(%p %p_\n", base, mdl );
}
/***********************************************************************
* MmUnlockPagableImageSection (NTOSKRNL.EXE.@)
*/
VOID WINAPI MmUnlockPagableImageSection(PVOID ImageSectionHandle)
{
FIXME("stub %p\n", ImageSectionHandle);
}
/***********************************************************************
* MmPageEntireDriver (NTOSKRNL.EXE.@)
*/
PVOID WINAPI MmPageEntireDriver(PVOID AddrInSection)
{
TRACE("%p\n", AddrInSection);
return AddrInSection;
}
/***********************************************************************
* MmProbeAndLockPages (NTOSKRNL.EXE.@)
*/
void WINAPI MmProbeAndLockPages(PMDLX MemoryDescriptorList, KPROCESSOR_MODE AccessMode, LOCK_OPERATION Operation)
{
FIXME("(%p, %u, %u): stub\n", MemoryDescriptorList, AccessMode, Operation);
}
/***********************************************************************
* MmResetDriverPaging (NTOSKRNL.EXE.@)
*/
void WINAPI MmResetDriverPaging(PVOID AddrInSection)
{
TRACE("%p\n", AddrInSection);
}
/***********************************************************************
* MmUnlockPages (NTOSKRNL.EXE.@)
*/
void WINAPI MmUnlockPages(PMDLX MemoryDescriptorList)
{
FIXME("(%p): stub\n", MemoryDescriptorList);
}
/***********************************************************************
* MmUnmapIoSpace (NTOSKRNL.EXE.@)
*/
VOID WINAPI MmUnmapIoSpace( PVOID BaseAddress, SIZE_T NumberOfBytes )
{
FIXME( "stub: %p, %Iu\n", BaseAddress, NumberOfBytes );
}
/***********************************************************************
* ObReferenceObjectByName (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI ObReferenceObjectByName( UNICODE_STRING *ObjectName,
ULONG Attributes,
ACCESS_STATE *AccessState,
ACCESS_MASK DesiredAccess,
POBJECT_TYPE ObjectType,
KPROCESSOR_MODE AccessMode,
void *ParseContext,
void **Object)
{
struct wine_driver *driver;
struct wine_rb_entry *entry;
TRACE("mostly-stub:%s %li %p %li %p %i %p %p\n", debugstr_us(ObjectName),
Attributes, AccessState, DesiredAccess, ObjectType, AccessMode,
ParseContext, Object);
if (AccessState) FIXME("Unhandled AccessState\n");
if (DesiredAccess) FIXME("Unhandled DesiredAccess\n");
if (ParseContext) FIXME("Unhandled ParseContext\n");
if (ObjectType) FIXME("Unhandled ObjectType\n");
if (AccessMode != KernelMode)
{
FIXME("UserMode access not implemented\n");
return STATUS_NOT_IMPLEMENTED;
}
EnterCriticalSection(&drivers_cs);
entry = wine_rb_get(&wine_drivers, ObjectName);
LeaveCriticalSection(&drivers_cs);
if (!entry)
{
FIXME("Object (%s) not found, may not be tracked.\n", debugstr_us(ObjectName));
return STATUS_NOT_IMPLEMENTED;
}
driver = WINE_RB_ENTRY_VALUE(entry, struct wine_driver, entry);
ObReferenceObject( *Object = &driver->driver_obj );
return STATUS_SUCCESS;
}
/********************************************************************
* ObOpenObjectByName (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI ObOpenObjectByName(POBJECT_ATTRIBUTES attr, POBJECT_TYPE type,
KPROCESSOR_MODE mode, ACCESS_STATE *access_state,
ACCESS_MASK access, PVOID ctx, HANDLE *handle)
{
NTSTATUS status;
void *object;
TRACE( "attr(%p %s %lx) %p %u %p %lu %p %p\n", attr->RootDirectory, debugstr_us(attr->ObjectName),
attr->Attributes, type, mode, access_state, access, ctx, handle );
if (mode != KernelMode)
{
FIXME( "UserMode access not implemented\n" );
return STATUS_NOT_IMPLEMENTED;
}
if (attr->RootDirectory) FIXME( "RootDirectory unhandled\n" );
status = ObReferenceObjectByName(attr->ObjectName, attr->Attributes, access_state, access, type, mode, ctx, &object );
if (status != STATUS_SUCCESS)
return status;
status = ObOpenObjectByPointer(object, attr->Attributes, access_state, access, type, mode, handle);
ObDereferenceObject(object);
return status;
}
/***********************************************************************
* ObReferenceObjectByPointer (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI ObReferenceObjectByPointer(void *obj, ACCESS_MASK access,
POBJECT_TYPE type,
KPROCESSOR_MODE mode)
{
FIXME("(%p, %lx, %p, %d): stub\n", obj, access, type, mode);
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* ObfReferenceObject (NTOSKRNL.EXE.@)
*/
DEFINE_FASTCALL1_WRAPPER( ObfReferenceObject )
void FASTCALL ObfReferenceObject( void *obj )
{
ObReferenceObject( obj );
}
/***********************************************************************
* ObfDereferenceObject (NTOSKRNL.EXE.@)
*/
DEFINE_FASTCALL1_WRAPPER( ObfDereferenceObject )
void FASTCALL ObfDereferenceObject( void *obj )
{
ObDereferenceObject( obj );
}
/***********************************************************************
* ObRegisterCallbacks (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI ObRegisterCallbacks(POB_CALLBACK_REGISTRATION callback, void **handle)
{
FIXME( "callback %p, handle %p.\n", callback, handle );
if(handle)
*handle = UlongToHandle(0xdeadbeaf);
return STATUS_SUCCESS;
}
/***********************************************************************
* ObUnRegisterCallbacks (NTOSKRNL.EXE.@)
*/
void WINAPI ObUnRegisterCallbacks(void *handle)
{
FIXME( "stub: %p\n", handle );
}
/***********************************************************************
* ObGetFilterVersion (NTOSKRNL.EXE.@)
*/
USHORT WINAPI ObGetFilterVersion(void)
{
FIXME( "stub:\n" );
return OB_FLT_REGISTRATION_VERSION;
}
/***********************************************************************
* IoGetAttachedDeviceReference (NTOSKRNL.EXE.@)
*/
DEVICE_OBJECT* WINAPI IoGetAttachedDeviceReference( DEVICE_OBJECT *device )
{
DEVICE_OBJECT *result = IoGetAttachedDevice( device );
ObReferenceObject( result );
return result;
}
/***********************************************************************
* PsCreateSystemThread (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI PsCreateSystemThread(PHANDLE ThreadHandle, ULONG DesiredAccess,
POBJECT_ATTRIBUTES ObjectAttributes,
HANDLE ProcessHandle, PCLIENT_ID ClientId,
PKSTART_ROUTINE StartRoutine, PVOID StartContext)
{
if (!ProcessHandle) ProcessHandle = GetCurrentProcess();
return RtlCreateUserThread(ProcessHandle, 0, FALSE, 0, 0,
0, StartRoutine, StartContext,
ThreadHandle, ClientId);
}
/***********************************************************************
* PsGetCurrentProcessId (NTOSKRNL.EXE.@)
*/
HANDLE WINAPI PsGetCurrentProcessId(void)
{
return KeGetCurrentThread()->id.UniqueProcess;
}
/***********************************************************************
* PsGetCurrentProcessSessionId (NTOSKRNL.EXE.@)
*/
ULONG WINAPI PsGetCurrentProcessSessionId(void)
{
return PsGetCurrentProcess()->info.PebBaseAddress->SessionId;
}
/***********************************************************************
* PsGetCurrentThreadId (NTOSKRNL.EXE.@)
*/
HANDLE WINAPI PsGetCurrentThreadId(void)
{
return KeGetCurrentThread()->id.UniqueThread;
}
/***********************************************************************
* PsIsSystemThread (NTOSKRNL.EXE.@)
*/
BOOLEAN WINAPI PsIsSystemThread(PETHREAD thread)
{
return thread->kthread.process == PsInitialSystemProcess;
}
/***********************************************************************
* PsGetVersion (NTOSKRNL.EXE.@)
*/
BOOLEAN WINAPI PsGetVersion(ULONG *major, ULONG *minor, ULONG *build, UNICODE_STRING *version )
{
RTL_OSVERSIONINFOEXW info;
info.dwOSVersionInfoSize = sizeof(info);
RtlGetVersion( &info );
if (major) *major = info.dwMajorVersion;
if (minor) *minor = info.dwMinorVersion;
if (build) *build = info.dwBuildNumber;
if (version)
{
#if 0 /* FIXME: GameGuard passes an uninitialized pointer in version->Buffer */
size_t len = min( lstrlenW(info.szCSDVersion)*sizeof(WCHAR), version->MaximumLength );
memcpy( version->Buffer, info.szCSDVersion, len );
if (len < version->MaximumLength) version->Buffer[len / sizeof(WCHAR)] = 0;
version->Length = len;
#endif
}
return TRUE;
}
/***********************************************************************
* PsImpersonateClient (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI PsImpersonateClient(PETHREAD Thread, PACCESS_TOKEN Token, BOOLEAN CopyOnOpen,
BOOLEAN EffectiveOnly, SECURITY_IMPERSONATION_LEVEL ImpersonationLevel)
{
FIXME("(%p, %p, %u, %u, %u): stub\n", Thread, Token, CopyOnOpen, EffectiveOnly, ImpersonationLevel);
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* PsRevertToSelf (NTOSKRNL.EXE.@)
*/
void WINAPI PsRevertToSelf(void)
{
FIXME("\n");
}
/***********************************************************************
* PsSetCreateProcessNotifyRoutine (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI PsSetCreateProcessNotifyRoutine( PCREATE_PROCESS_NOTIFY_ROUTINE callback, BOOLEAN remove )
{
FIXME( "stub: %p %d\n", callback, remove );
return STATUS_SUCCESS;
}
/***********************************************************************
* PsSetCreateProcessNotifyRoutineEx (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI PsSetCreateProcessNotifyRoutineEx( PCREATE_PROCESS_NOTIFY_ROUTINE_EX callback, BOOLEAN remove )
{
FIXME( "stub: %p %d\n", callback, remove );
return STATUS_SUCCESS;
}
/***********************************************************************
* PsSetCreateThreadNotifyRoutine (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI PsSetCreateThreadNotifyRoutine( PCREATE_THREAD_NOTIFY_ROUTINE NotifyRoutine )
{
FIXME( "stub: %p\n", NotifyRoutine );
return STATUS_SUCCESS;
}
/***********************************************************************
* PsRemoveCreateThreadNotifyRoutine (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI PsRemoveCreateThreadNotifyRoutine( PCREATE_THREAD_NOTIFY_ROUTINE NotifyRoutine )
{
FIXME( "stub: %p\n", NotifyRoutine );
return STATUS_SUCCESS;
}
/***********************************************************************
* PsRemoveLoadImageNotifyRoutine (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI PsRemoveLoadImageNotifyRoutine(PLOAD_IMAGE_NOTIFY_ROUTINE routine)
{
unsigned int i;
TRACE("routine %p.\n", routine);
for (i = 0; i < load_image_notify_routine_count; ++i)
if (load_image_notify_routines[i] == routine)
{
--load_image_notify_routine_count;
memmove(&load_image_notify_routines[i], &load_image_notify_routines[i + 1],
sizeof(*load_image_notify_routines) * (load_image_notify_routine_count - i));
return STATUS_SUCCESS;
}
return STATUS_PROCEDURE_NOT_FOUND;
}
/***********************************************************************
* PsReferenceProcessFilePointer (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI PsReferenceProcessFilePointer(PEPROCESS process, FILE_OBJECT **file)
{
FIXME("%p %p\n", process, file);
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* PsTerminateSystemThread (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI PsTerminateSystemThread(NTSTATUS status)
{
TRACE("status %#lx.\n", status);
ExitThread( status );
}
/***********************************************************************
* PsSuspendProcess (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI PsSuspendProcess(PEPROCESS process)
{
FIXME("stub: %p\n", process);
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* PsResumeProcess (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI PsResumeProcess(PEPROCESS process)
{
FIXME("stub: %p\n", process);
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* MmGetSystemRoutineAddress (NTOSKRNL.EXE.@)
*/
PVOID WINAPI MmGetSystemRoutineAddress(PUNICODE_STRING SystemRoutineName)
{
HMODULE hMod;
STRING routineNameA;
PVOID pFunc = NULL;
static const WCHAR ntoskrnlW[] = {'n','t','o','s','k','r','n','l','.','e','x','e',0};
static const WCHAR halW[] = {'h','a','l','.','d','l','l',0};
if (!SystemRoutineName) return NULL;
if (RtlUnicodeStringToAnsiString( &routineNameA, SystemRoutineName, TRUE ) == STATUS_SUCCESS)
{
/* We only support functions exported from ntoskrnl.exe or hal.dll */
hMod = GetModuleHandleW( ntoskrnlW );
pFunc = GetProcAddress( hMod, routineNameA.Buffer );
if (!pFunc)
{
hMod = LoadLibraryW( halW );
if (hMod) pFunc = GetProcAddress( hMod, routineNameA.Buffer );
}
RtlFreeAnsiString( &routineNameA );
}
if (pFunc)
TRACE( "%s -> %p\n", debugstr_us(SystemRoutineName), pFunc );
else
FIXME( "%s not found\n", debugstr_us(SystemRoutineName) );
return pFunc;
}
/***********************************************************************
* MmIsThisAnNtAsSystem (NTOSKRNL.EXE.@)
*/
BOOLEAN WINAPI MmIsThisAnNtAsSystem(void)
{
TRACE("\n");
return FALSE;
}
/***********************************************************************
* MmProtectMdlSystemAddress (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI MmProtectMdlSystemAddress(PMDL MemoryDescriptorList, ULONG NewProtect)
{
FIXME("(%p, %lu) stub\n", MemoryDescriptorList, NewProtect);
return STATUS_SUCCESS;
}
/***********************************************************************
* MmQuerySystemSize (NTOSKRNL.EXE.@)
*/
MM_SYSTEMSIZE WINAPI MmQuerySystemSize(void)
{
FIXME("stub\n");
return MmLargeSystem;
}
/***********************************************************************
* KeInitializeDpc (NTOSKRNL.EXE.@)
*/
void WINAPI KeInitializeDpc(KDPC *dpc, PKDEFERRED_ROUTINE deferred_routine, void *deferred_context)
{
FIXME("dpc %p, deferred_routine %p, deferred_context %p semi-stub.\n",
dpc, deferred_routine, deferred_context);
dpc->DeferredRoutine = deferred_routine;
dpc->DeferredContext = deferred_context;
}
/***********************************************************************
* KeSetImportanceDpc (NTOSKRNL.EXE.@)
*/
VOID WINAPI KeSetImportanceDpc(PRKDPC dpc, KDPC_IMPORTANCE importance)
{
FIXME("%p, %d stub\n", dpc, importance);
}
/***********************************************************************
* KeSetTargetProcessorDpcEx (NTOSKRNL.EXE.@)
*/
VOID WINAPI KeSetTargetProcessorDpcEx(PRKDPC dpc, PPROCESSOR_NUMBER process_number)
{
FIXME("%p, %p stub\n", dpc, process_number);
}
/***********************************************************************
* KeSetTargetProcessorDpc (NTOSKRNL.EXE.@)
*/
VOID WINAPI KeSetTargetProcessorDpc(PRKDPC dpc, CCHAR number)
{
FIXME("%p, %d stub\n", dpc, number);
}
/***********************************************************************
* KeGetCurrentProcessorNumberEx (NTOSKRNL.EXE.@)
*/
ULONG WINAPI KeGetCurrentProcessorNumberEx(PPROCESSOR_NUMBER process_number)
{
ULONG cur_number = NtGetCurrentProcessorNumber();
FIXME("%p semi-stub\n", process_number);
if (process_number)
{
process_number->Group = 0;
process_number->Reserved = 0;
process_number->Number = cur_number;
}
return cur_number;
}
/***********************************************************************
* KeQueryMaximumProcessorCountEx (NTOSKRNL.EXE.@)
*/
ULONG WINAPI KeQueryMaximumProcessorCountEx(USHORT group_number)
{
return GetMaximumProcessorCount(group_number);
}
/***********************************************************************
* KeQueryMaximumProcessorCount (NTOSKRNL.EXE.@)
*/
ULONG WINAPI KeQueryMaximumProcessorCount(void)
{
return KeQueryActiveProcessorCountEx(ALL_PROCESSOR_GROUPS);
}
/***********************************************************************
* READ_REGISTER_BUFFER_UCHAR (NTOSKRNL.EXE.@)
*/
VOID WINAPI READ_REGISTER_BUFFER_UCHAR(PUCHAR Register, PUCHAR Buffer, ULONG Count)
{
FIXME("stub\n");
}
/*****************************************************
* IoWMIRegistrationControl (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoWMIRegistrationControl(PDEVICE_OBJECT DeviceObject, ULONG Action)
{
FIXME("(%p %lu) stub\n", DeviceObject, Action);
return STATUS_SUCCESS;
}
/*****************************************************
* IoWMIOpenBlock (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoWMIOpenBlock(LPCGUID guid, ULONG desired_access, PVOID *data_block_obj)
{
FIXME("(%p %lu %p) stub\n", guid, desired_access, data_block_obj);
return STATUS_NOT_IMPLEMENTED;
}
/*****************************************************
* PsSetLoadImageNotifyRoutine (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI PsSetLoadImageNotifyRoutine(PLOAD_IMAGE_NOTIFY_ROUTINE routine)
{
FIXME("routine %p, semi-stub.\n", routine);
if (load_image_notify_routine_count == ARRAY_SIZE(load_image_notify_routines))
return STATUS_INSUFFICIENT_RESOURCES;
load_image_notify_routines[load_image_notify_routine_count++] = routine;
return STATUS_SUCCESS;
}
/*****************************************************
* IoSetThreadHardErrorMode (NTOSKRNL.EXE.@)
*/
BOOLEAN WINAPI IoSetThreadHardErrorMode(BOOLEAN EnableHardErrors)
{
FIXME("stub\n");
return FALSE;
}
/*****************************************************
* Ke386IoSetAccessProcess (NTOSKRNL.EXE.@)
*/
BOOLEAN WINAPI Ke386IoSetAccessProcess(PEPROCESS *process, ULONG flag)
{
FIXME("(%p %ld) stub\n", process, flag);
return FALSE;
}
/*****************************************************
* Ke386SetIoAccessMap (NTOSKRNL.EXE.@)
*/
BOOLEAN WINAPI Ke386SetIoAccessMap(ULONG flag, PVOID buffer)
{
FIXME("(%ld %p) stub\n", flag, buffer);
return FALSE;
}
/*****************************************************
* IoStartNextPacket (NTOSKRNL.EXE.@)
*/
VOID WINAPI IoStartNextPacket(PDEVICE_OBJECT deviceobject, BOOLEAN cancelable)
{
FIXME("(%p %d) stub\n", deviceobject, cancelable);
}
/*****************************************************
* ObQueryNameString (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI ObQueryNameString( void *object, OBJECT_NAME_INFORMATION *name, ULONG size, ULONG *ret_size )
{
HANDLE handle;
NTSTATUS ret;
TRACE("object %p, name %p, size %lu, ret_size %p.\n", object, name, size, ret_size);
if ((ret = ObOpenObjectByPointer( object, 0, NULL, 0, NULL, KernelMode, &handle )))
return ret;
ret = NtQueryObject( handle, ObjectNameInformation, name, size, ret_size );
NtClose( handle );
return ret;
}
/*****************************************************
* IoRegisterPlugPlayNotification (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoRegisterPlugPlayNotification(IO_NOTIFICATION_EVENT_CATEGORY category, ULONG flags, PVOID data,
PDRIVER_OBJECT driver, PDRIVER_NOTIFICATION_CALLBACK_ROUTINE callback,
PVOID context, PVOID *notification)
{
FIXME("(%u %lu %p %p %p %p %p) stub\n", category, flags, data, driver, callback, context, notification);
return STATUS_SUCCESS;
}
/*****************************************************
* IoUnregisterPlugPlayNotification (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoUnregisterPlugPlayNotification(PVOID notification)
{
FIXME("stub: %p\n", notification);
return STATUS_SUCCESS;
}
/*****************************************************
* IoCsqInitialize (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoCsqInitialize(PIO_CSQ csq, PIO_CSQ_INSERT_IRP insert_irp, PIO_CSQ_REMOVE_IRP remove_irp,
PIO_CSQ_PEEK_NEXT_IRP peek_irp, PIO_CSQ_ACQUIRE_LOCK acquire_lock,
PIO_CSQ_RELEASE_LOCK release_lock, PIO_CSQ_COMPLETE_CANCELED_IRP complete_irp)
{
FIXME("(%p %p %p %p %p %p %p) stub\n",
csq, insert_irp, remove_irp, peek_irp, acquire_lock, release_lock, complete_irp);
return STATUS_SUCCESS;
}
/***********************************************************************
* KeEnterCriticalRegion (NTOSKRNL.EXE.@)
*/
void WINAPI KeEnterCriticalRegion(void)
{
TRACE( "semi-stub\n" );
KeGetCurrentThread()->critical_region++;
}
/***********************************************************************
* KeLeaveCriticalRegion (NTOSKRNL.EXE.@)
*/
void WINAPI KeLeaveCriticalRegion(void)
{
TRACE( "semi-stub\n" );
KeGetCurrentThread()->critical_region--;
}
/***********************************************************************
* KeAreApcsDisabled (NTOSKRNL.@)
*/
BOOLEAN WINAPI KeAreApcsDisabled(void)
{
unsigned int critical_region = KeGetCurrentThread()->critical_region;
TRACE( "%u\n", critical_region );
return !!critical_region;
}
/***********************************************************************
* KeAreAllApcsDisabled (NTOSKRNL.@)
*/
BOOLEAN WINAPI KeAreAllApcsDisabled(void)
{
return KeAreApcsDisabled();
}
/***********************************************************************
* KeBugCheck (NTOSKRNL.@)
*/
void WINAPI KeBugCheck(ULONG code)
{
KeBugCheckEx(code, 0, 0, 0, 0);
}
/***********************************************************************
* KeBugCheckEx (NTOSKRNL.@)
*/
void WINAPI KeBugCheckEx(ULONG code, ULONG_PTR param1, ULONG_PTR param2, ULONG_PTR param3, ULONG_PTR param4)
{
ERR( "%lx %Ix %Ix %Ix %Ix\n", code, param1, param2, param3, param4 );
ExitProcess( code );
}
/***********************************************************************
* ProbeForRead (NTOSKRNL.EXE.@)
*/
void WINAPI ProbeForRead(void *address, SIZE_T length, ULONG alignment)
{
FIXME("(%p %Iu %lu) stub\n", address, length, alignment);
}
/***********************************************************************
* ProbeForWrite (NTOSKRNL.EXE.@)
*/
void WINAPI ProbeForWrite(void *address, SIZE_T length, ULONG alignment)
{
FIXME("(%p %Iu %lu) stub\n", address, length, alignment);
}
/***********************************************************************
* CmRegisterCallback (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI CmRegisterCallback(EX_CALLBACK_FUNCTION *function, void *context, LARGE_INTEGER *cookie)
{
FIXME("(%p %p %p): stub\n", function, context, cookie);
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* CmUnRegisterCallback (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI CmUnRegisterCallback(LARGE_INTEGER cookie)
{
FIXME("(%s): stub\n", wine_dbgstr_longlong(cookie.QuadPart));
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* IoAttachDevice (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoAttachDevice(DEVICE_OBJECT *source, UNICODE_STRING *target, DEVICE_OBJECT *attached)
{
FIXME("(%p, %s, %p): stub\n", source, debugstr_us(target), attached);
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS open_driver( const UNICODE_STRING *service_name, SC_HANDLE *service )
{
QUERY_SERVICE_CONFIGW *service_config = NULL;
SC_HANDLE manager_handle;
DWORD config_size = 0;
WCHAR *name;
if (!(name = RtlAllocateHeap( GetProcessHeap(), 0, service_name->Length + sizeof(WCHAR) )))
return STATUS_NO_MEMORY;
memcpy( name, service_name->Buffer, service_name->Length );
name[ service_name->Length / sizeof(WCHAR) ] = 0;
if (wcsncmp( name, servicesW, lstrlenW(servicesW) ))
{
FIXME( "service name %s is not a keypath\n", debugstr_us(service_name) );
RtlFreeHeap( GetProcessHeap(), 0, name );
return STATUS_NOT_IMPLEMENTED;
}
if (!(manager_handle = OpenSCManagerW( NULL, NULL, SC_MANAGER_CONNECT )))
{
WARN( "failed to connect to service manager\n" );
RtlFreeHeap( GetProcessHeap(), 0, name );
return STATUS_NOT_SUPPORTED;
}
*service = OpenServiceW( manager_handle, name + lstrlenW(servicesW),
SERVICE_QUERY_CONFIG | SERVICE_SET_STATUS );
RtlFreeHeap( GetProcessHeap(), 0, name );
CloseServiceHandle( manager_handle );
if (!*service)
{
WARN( "failed to open service %s\n", debugstr_us(service_name) );
return STATUS_UNSUCCESSFUL;
}
QueryServiceConfigW( *service, NULL, 0, &config_size );
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
{
WARN( "failed to query service config\n" );
goto error;
}
if (!(service_config = RtlAllocateHeap( GetProcessHeap(), 0, config_size )))
goto error;
if (!QueryServiceConfigW( *service, service_config, config_size, &config_size ))
{
WARN( "failed to query service config\n" );
goto error;
}
if (service_config->dwServiceType != SERVICE_KERNEL_DRIVER &&
service_config->dwServiceType != SERVICE_FILE_SYSTEM_DRIVER)
{
WARN( "service %s is not a kernel driver\n", debugstr_us(service_name) );
goto error;
}
TRACE( "opened service for driver %s\n", debugstr_us(service_name) );
RtlFreeHeap( GetProcessHeap(), 0, service_config );
return STATUS_SUCCESS;
error:
CloseServiceHandle( *service );
RtlFreeHeap( GetProcessHeap(), 0, service_config );
return STATUS_UNSUCCESSFUL;
}
/* find the LDR_DATA_TABLE_ENTRY corresponding to the driver module */
static LDR_DATA_TABLE_ENTRY *find_ldr_module( HMODULE module )
{
LDR_DATA_TABLE_ENTRY *ldr;
ULONG_PTR magic;
LdrLockLoaderLock( 0, NULL, &magic );
if (LdrFindEntryForAddress( module, &ldr ))
{
WARN( "module not found for %p\n", module );
ldr = NULL;
}
LdrUnlockLoaderLock( 0, magic );
return ldr;
}
/* convert PE image VirtualAddress to Real Address */
static inline void *get_rva( HMODULE module, DWORD va )
{
return (void *)((char *)module + va);
}
static void WINAPI ldr_notify_callback(ULONG reason, LDR_DLL_NOTIFICATION_DATA *data, void *context)
{
const IMAGE_DATA_DIRECTORY *relocs;
IMAGE_BASE_RELOCATION *rel, *end;
SYSTEM_BASIC_INFORMATION info;
IMAGE_NT_HEADERS *nt;
INT_PTR delta;
char *base;
HMODULE module;
if (reason != LDR_DLL_NOTIFICATION_REASON_LOADED) return;
TRACE( "loading %s\n", debugstr_us(data->Loaded.BaseDllName));
module = data->Loaded.DllBase;
nt = RtlImageNtHeader( module );
base = (char *)nt->OptionalHeader.ImageBase;
if (!(delta = (char *)module - base)) return;
/* the loader does not apply relocations to non page-aligned binaries or executables,
* we have to do it ourselves */
NtQuerySystemInformation( SystemBasicInformation, &info, sizeof(info), NULL );
if (nt->OptionalHeader.SectionAlignment >= info.PageSize && (nt->FileHeader.Characteristics & IMAGE_FILE_DLL))
return;
if (nt->FileHeader.Characteristics & IMAGE_FILE_RELOCS_STRIPPED)
{
WARN( "Need to relocate module from %p to %p, but there are no relocation records\n", base, module );
return;
}
relocs = &nt->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC];
if (!relocs->Size || !relocs->VirtualAddress) return;
TRACE( "relocating from %p-%p to %p-%p\n", base, base + nt->OptionalHeader.SizeOfImage,
module, (char *)module + nt->OptionalHeader.SizeOfImage );
rel = get_rva( module, relocs->VirtualAddress );
end = get_rva( module, relocs->VirtualAddress + relocs->Size );
while (rel < end - 1 && rel->SizeOfBlock)
{
char *page = get_rva( module, rel->VirtualAddress );
DWORD old_prot1, old_prot2;
if (rel->VirtualAddress >= nt->OptionalHeader.SizeOfImage)
{
WARN( "invalid address %p in relocation %p\n", get_rva( module, rel->VirtualAddress ), rel );
return;
}
/* Relocation entries may hang over the end of the page, so we need to
* protect two pages. */
VirtualProtect( page, info.PageSize, PAGE_READWRITE, &old_prot1 );
VirtualProtect( page + info.PageSize, info.PageSize, PAGE_READWRITE, &old_prot2 );
rel = LdrProcessRelocationBlock( page, (rel->SizeOfBlock - sizeof(*rel)) / sizeof(USHORT),
(USHORT *)(rel + 1), delta );
VirtualProtect( page, info.PageSize, old_prot1, &old_prot1 );
VirtualProtect( page + info.PageSize, info.PageSize, old_prot2, &old_prot2 );
if (!rel)
{
WARN( "LdrProcessRelocationBlock failed\n" );
return;
}
}
}
/* load the .sys module for a device driver */
static HMODULE load_driver( const WCHAR *driver_name, const UNICODE_STRING *keyname )
{
static const WCHAR driversW[] = {'\\','d','r','i','v','e','r','s','\\',0};
static const WCHAR systemrootW[] = {'\\','S','y','s','t','e','m','R','o','o','t','\\',0};
static const WCHAR postfixW[] = {'.','s','y','s',0};
static const WCHAR ntprefixW[] = {'\\','?','?','\\',0};
static const WCHAR ImagePathW[] = {'I','m','a','g','e','P','a','t','h',0};
HKEY driver_hkey;
HMODULE module;
LPWSTR path = NULL, str;
DWORD type, size;
if (RegOpenKeyW( HKEY_LOCAL_MACHINE, keyname->Buffer + 18 /* skip \registry\machine */, &driver_hkey ))
{
ERR( "cannot open key %s, err=%lu\n", wine_dbgstr_w(keyname->Buffer), GetLastError() );
return NULL;
}
/* read the executable path from memory */
size = 0;
if (!RegQueryValueExW( driver_hkey, ImagePathW, NULL, &type, NULL, &size ))
{
str = HeapAlloc( GetProcessHeap(), 0, size );
if (!RegQueryValueExW( driver_hkey, ImagePathW, NULL, &type, (LPBYTE)str, &size ))
{
size = ExpandEnvironmentStringsW(str,NULL,0);
path = HeapAlloc(GetProcessHeap(),0,size*sizeof(WCHAR));
ExpandEnvironmentStringsW(str,path,size);
}
HeapFree( GetProcessHeap(), 0, str );
if (!path)
{
RegCloseKey( driver_hkey );
return NULL;
}
if (!wcsnicmp( path, systemrootW, 12 ))
{
WCHAR buffer[MAX_PATH];
GetWindowsDirectoryW(buffer, MAX_PATH);
str = HeapAlloc(GetProcessHeap(), 0, (size -11 + lstrlenW(buffer))
* sizeof(WCHAR));
lstrcpyW(str, buffer);
lstrcatW(str, path + 11);
HeapFree( GetProcessHeap(), 0, path );
path = str;
}
else if (!wcsncmp( path, ntprefixW, 4 ))
str = path + 4;
else
str = path;
}
else
{
/* default is to use the driver name + ".sys" */
WCHAR buffer[MAX_PATH];
GetSystemDirectoryW(buffer, MAX_PATH);
path = HeapAlloc(GetProcessHeap(),0,
(lstrlenW(buffer) + lstrlenW(driversW) + lstrlenW(driver_name) + lstrlenW(postfixW) + 1)
*sizeof(WCHAR));
lstrcpyW(path, buffer);
lstrcatW(path, driversW);
lstrcatW(path, driver_name);
lstrcatW(path, postfixW);
str = path;
}
RegCloseKey( driver_hkey );
TRACE( "loading driver %s\n", wine_dbgstr_w(str) );
module = LoadLibraryExW( str, 0, LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR | LOAD_LIBRARY_SEARCH_DEFAULT_DIRS );
if (module && load_image_notify_routine_count)
{
UNICODE_STRING module_name;
IMAGE_NT_HEADERS *nt;
IMAGE_INFO info;
unsigned int i;
RtlInitUnicodeString(&module_name, str);
nt = RtlImageNtHeader(module);
memset(&info, 0, sizeof(info));
info.u.s.ImageAddressingMode = IMAGE_ADDRESSING_MODE_32BIT;
info.u.s.SystemModeImage = TRUE;
info.ImageSize = nt->OptionalHeader.SizeOfImage;
info.ImageBase = module;
for (i = 0; i < load_image_notify_routine_count; ++i)
{
TRACE("Calling image load notify %p.\n", load_image_notify_routines[i]);
load_image_notify_routines[i](&module_name, NULL, &info);
TRACE("Called image load notify %p.\n", load_image_notify_routines[i]);
}
}
HeapFree( GetProcessHeap(), 0, path );
return module;
}
/* call the driver init entry point */
static NTSTATUS WINAPI init_driver( DRIVER_OBJECT *driver_object, UNICODE_STRING *keyname )
{
unsigned int i;
NTSTATUS status;
const IMAGE_NT_HEADERS *nt;
const WCHAR *driver_name;
HMODULE module;
/* Retrieve driver name from the keyname */
driver_name = wcsrchr( keyname->Buffer, '\\' );
driver_name++;
module = load_driver( driver_name, keyname );
if (!module)
return STATUS_DLL_INIT_FAILED;
driver_object->DriverSection = find_ldr_module( module );
driver_object->DriverStart = ((LDR_DATA_TABLE_ENTRY *)driver_object->DriverSection)->DllBase;
driver_object->DriverSize = ((LDR_DATA_TABLE_ENTRY *)driver_object->DriverSection)->SizeOfImage;
nt = RtlImageNtHeader( module );
if (!nt->OptionalHeader.AddressOfEntryPoint) return STATUS_SUCCESS;
driver_object->DriverInit = (PDRIVER_INITIALIZE)((char *)module + nt->OptionalHeader.AddressOfEntryPoint);
TRACE_(relay)( "\1Call driver init %p (obj=%p,str=%s)\n",
driver_object->DriverInit, driver_object, wine_dbgstr_w(keyname->Buffer) );
status = driver_object->DriverInit( driver_object, keyname );
TRACE_(relay)( "\1Ret driver init %p (obj=%p,str=%s) retval=%08lx\n",
driver_object->DriverInit, driver_object, wine_dbgstr_w(keyname->Buffer), status );
TRACE( "init done for %s obj %p\n", wine_dbgstr_w(driver_name), driver_object );
TRACE( "- DriverInit = %p\n", driver_object->DriverInit );
TRACE( "- DriverStartIo = %p\n", driver_object->DriverStartIo );
TRACE( "- DriverUnload = %p\n", driver_object->DriverUnload );
for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
TRACE( "- MajorFunction[%d] = %p\n", i, driver_object->MajorFunction[i] );
return status;
}
static BOOLEAN get_drv_name( UNICODE_STRING *drv_name, const UNICODE_STRING *service_name )
{
static const WCHAR driverW[] = {'\\','D','r','i','v','e','r','\\',0};
WCHAR *str;
if (!(str = heap_alloc( sizeof(driverW) + service_name->Length - lstrlenW(servicesW)*sizeof(WCHAR) )))
return FALSE;
lstrcpyW( str, driverW );
lstrcpynW( str + lstrlenW(driverW), service_name->Buffer + lstrlenW(servicesW),
service_name->Length/sizeof(WCHAR) - lstrlenW(servicesW) + 1 );
RtlInitUnicodeString( drv_name, str );
return TRUE;
}
/***********************************************************************
* ZwLoadDriver (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI ZwLoadDriver( const UNICODE_STRING *service_name )
{
SERVICE_STATUS_HANDLE service_handle;
struct wine_rb_entry *entry;
struct wine_driver *driver;
UNICODE_STRING drv_name;
NTSTATUS status;
TRACE( "(%s)\n", debugstr_us(service_name) );
if ((status = open_driver( service_name, (SC_HANDLE *)&service_handle )) != STATUS_SUCCESS)
return status;
if (!get_drv_name( &drv_name, service_name ))
{
CloseServiceHandle( (void *)service_handle );
return STATUS_NO_MEMORY;
}
if (wine_rb_get( &wine_drivers, &drv_name ))
{
TRACE( "driver %s already loaded\n", debugstr_us(&drv_name) );
RtlFreeUnicodeString( &drv_name );
CloseServiceHandle( (void *)service_handle );
return STATUS_IMAGE_ALREADY_LOADED;
}
set_service_status( service_handle, SERVICE_START_PENDING, 0 );
status = IoCreateDriver( &drv_name, init_driver );
entry = wine_rb_get( &wine_drivers, &drv_name );
RtlFreeUnicodeString( &drv_name );
if (status != STATUS_SUCCESS)
{
ERR( "failed to create driver %s: %08lx\n", debugstr_us(service_name), status );
goto error;
}
driver = WINE_RB_ENTRY_VALUE( entry, struct wine_driver, entry );
driver->service_handle = service_handle;
wine_enumerate_root_devices( service_name->Buffer + wcslen( servicesW ) );
set_service_status( service_handle, SERVICE_RUNNING,
SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN );
return STATUS_SUCCESS;
error:
set_service_status( service_handle, SERVICE_STOPPED, 0 );
CloseServiceHandle( (void *)service_handle );
return status;
}
/***********************************************************************
* ZwUnloadDriver (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI ZwUnloadDriver( const UNICODE_STRING *service_name )
{
struct wine_rb_entry *entry;
struct wine_driver *driver;
UNICODE_STRING drv_name;
TRACE( "(%s)\n", debugstr_us(service_name) );
if (!get_drv_name( &drv_name, service_name ))
return STATUS_NO_MEMORY;
entry = wine_rb_get( &wine_drivers, &drv_name );
RtlFreeUnicodeString( &drv_name );
if (!entry)
{
ERR( "failed to locate driver %s\n", debugstr_us(service_name) );
return STATUS_OBJECT_NAME_NOT_FOUND;
}
driver = WINE_RB_ENTRY_VALUE( entry, struct wine_driver, entry );
if (!list_empty( &driver->root_pnp_devices ))
{
ERR( "cannot unload driver %s which still has running PnP devices\n", debugstr_us(service_name) );
return STATUS_UNSUCCESSFUL;
}
unload_driver( entry, NULL );
return STATUS_SUCCESS;
}
/***********************************************************************
* IoCreateFileEx (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoCreateFileEx(HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr,
IO_STATUS_BLOCK *io, LARGE_INTEGER *alloc_size, ULONG attributes, ULONG sharing,
ULONG disposition, ULONG create_options, VOID *ea_buffer, ULONG ea_length,
CREATE_FILE_TYPE file_type, VOID *parameters, ULONG options, void *driverctx)
{
FIXME(": semi-stub\n");
return NtCreateFile(handle, access, attr, io, alloc_size, attributes, sharing, disposition,
create_options, ea_buffer, ea_length);
}
/***********************************************************************
* IoCreateFile (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoCreateFile(HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr,
IO_STATUS_BLOCK *io, LARGE_INTEGER *alloc_size, ULONG attributes, ULONG sharing,
ULONG disposition, ULONG create_options, VOID *ea_buffer, ULONG ea_length,
CREATE_FILE_TYPE file_type, VOID *parameters, ULONG options )
{
FIXME(": semi-stub\n");
return IoCreateFileEx(handle, access, attr, io, alloc_size, attributes, sharing, disposition,
create_options, ea_buffer, ea_length, file_type, parameters, options, NULL);
}
/**************************************************************************
* __chkstk (NTOSKRNL.@)
*/
#ifdef __x86_64__
/* Supposed to touch all the stack pages, but we shouldn't need that. */
__ASM_GLOBAL_FUNC( __chkstk, "ret" );
#elif defined(__i386__)
__ASM_GLOBAL_FUNC( _chkstk,
"negl %eax\n\t"
"addl %esp,%eax\n\t"
"xchgl %esp,%eax\n\t"
"movl 0(%eax),%eax\n\t" /* copy return address from old location */
"movl %eax,0(%esp)\n\t"
"ret" )
#elif defined(__arm__)
/* Incoming r4 contains words to allocate, converting to bytes then return */
__ASM_GLOBAL_FUNC( __chkstk, "lsl r4, r4, #2\n\t"
"bx lr" )
#elif defined(__aarch64__)
/* Supposed to touch all the stack pages, but we shouldn't need that. */
__ASM_GLOBAL_FUNC( __chkstk, "ret" );
#endif
/*********************************************************************
* PsAcquireProcessExitSynchronization (NTOSKRNL.@)
*/
NTSTATUS WINAPI PsAcquireProcessExitSynchronization(PEPROCESS process)
{
FIXME("stub: %p\n", process);
return STATUS_NOT_IMPLEMENTED;
}
/*********************************************************************
* PsReleaseProcessExitSynchronization (NTOSKRNL.@)
*/
void WINAPI PsReleaseProcessExitSynchronization(PEPROCESS process)
{
FIXME("stub: %p\n", process);
}
typedef struct _EX_PUSH_LOCK_WAIT_BLOCK *PEX_PUSH_LOCK_WAIT_BLOCK;
/*********************************************************************
* ExfUnblockPushLock (NTOSKRNL.@)
*/
DEFINE_FASTCALL_WRAPPER( ExfUnblockPushLock, 8 )
void FASTCALL ExfUnblockPushLock( EX_PUSH_LOCK *lock, PEX_PUSH_LOCK_WAIT_BLOCK block )
{
FIXME( "stub: %p, %p\n", lock, block );
}
/*********************************************************************
* FsRtlRegisterFileSystemFilterCallbacks (NTOSKRNL.@)
*/
NTSTATUS WINAPI FsRtlRegisterFileSystemFilterCallbacks( DRIVER_OBJECT *object, PFS_FILTER_CALLBACKS callbacks)
{
FIXME("stub: %p %p\n", object, callbacks);
return STATUS_NOT_IMPLEMENTED;
}
/*********************************************************************
* SeSinglePrivilegeCheck (NTOSKRNL.@)
*/
BOOLEAN WINAPI SeSinglePrivilegeCheck(LUID privilege, KPROCESSOR_MODE mode)
{
static int once;
if (!once++) FIXME("stub: %08lx%08lx %u\n", privilege.HighPart, privilege.LowPart, mode);
return TRUE;
}
/*********************************************************************
* SePrivilegeCheck (NTOSKRNL.@)
*/
BOOLEAN WINAPI SePrivilegeCheck(PRIVILEGE_SET *privileges, SECURITY_SUBJECT_CONTEXT *context, KPROCESSOR_MODE mode)
{
FIXME("stub: %p %p %u\n", privileges, context, mode);
return TRUE;
}
/*********************************************************************
* SeLocateProcessImageName (NTOSKRNL.@)
*/
NTSTATUS WINAPI SeLocateProcessImageName(PEPROCESS process, UNICODE_STRING **image_name)
{
FIXME("stub: %p %p\n", process, image_name);
if (image_name) *image_name = NULL;
return STATUS_NOT_IMPLEMENTED;
}
/*********************************************************************
* KeFlushQueuedDpcs (NTOSKRNL.@)
*/
void WINAPI KeFlushQueuedDpcs(void)
{
FIXME("stub!\n");
}
/*********************************************************************
* DbgQueryDebugFilterState (NTOSKRNL.@)
*/
NTSTATUS WINAPI DbgQueryDebugFilterState(ULONG component, ULONG level)
{
FIXME("stub: %ld %ld\n", component, level);
return STATUS_NOT_IMPLEMENTED;
}
/*********************************************************************
* PsGetProcessWow64Process (NTOSKRNL.@)
*/
PVOID WINAPI PsGetProcessWow64Process(PEPROCESS process)
{
FIXME("stub: %p\n", process);
return NULL;
}
/*********************************************************************
* MmCopyVirtualMemory (NTOSKRNL.@)
*/
NTSTATUS WINAPI MmCopyVirtualMemory(PEPROCESS fromprocess, void *fromaddress, PEPROCESS toprocess,
void *toaddress, SIZE_T bufsize, KPROCESSOR_MODE mode,
SIZE_T *copied)
{
FIXME("fromprocess %p, fromaddress %p, toprocess %p, toaddress %p, bufsize %Iu, mode %d, copied %p stub.\n",
fromprocess, fromaddress, toprocess, toaddress, bufsize, mode, copied);
*copied = 0;
return STATUS_NOT_IMPLEMENTED;
}
/*********************************************************************
* KeEnterGuardedRegion (NTOSKRNL.@)
*/
void WINAPI KeEnterGuardedRegion(void)
{
FIXME("\n");
}
/*********************************************************************
* KeLeaveGuardedRegion (NTOSKRNL.@)
*/
void WINAPI KeLeaveGuardedRegion(void)
{
FIXME("\n");
}
static const WCHAR token_type_name[] = {'T','o','k','e','n',0};
static struct _OBJECT_TYPE token_type =
{
token_type_name
};
POBJECT_TYPE SeTokenObjectType = &token_type;
/*************************************************************************
* ExUuidCreate (NTOSKRNL.@)
*
* Creates a 128bit UUID.
*
* RETURNS
*
* STATUS_SUCCESS if successful.
* RPC_NT_UUID_LOCAL_ONLY if UUID is only locally unique.
*
* NOTES
*
* Follows RFC 4122, section 4.4 (Algorithms for Creating a UUID from
* Truly Random or Pseudo-Random Numbers)
*/
NTSTATUS WINAPI ExUuidCreate(UUID *uuid)
{
RtlGenRandom(uuid, sizeof(*uuid));
/* Clear the version bits and set the version (4) */
uuid->Data3 &= 0x0fff;
uuid->Data3 |= (4 << 12);
/* Set the topmost bits of Data4 (clock_seq_hi_and_reserved) as
* specified in RFC 4122, section 4.4.
*/
uuid->Data4[0] &= 0x3f;
uuid->Data4[0] |= 0x80;
TRACE("%s\n", debugstr_guid(uuid));
return STATUS_SUCCESS;
}
/***********************************************************************
* ExSetTimerResolution (NTOSKRNL.EXE.@)
*/
ULONG WINAPI ExSetTimerResolution(ULONG time, BOOLEAN set_resolution)
{
FIXME("stub: %lu %d\n", time, set_resolution);
return KeQueryTimeIncrement();
}
/***********************************************************************
* IoGetRequestorProcess (NTOSKRNL.EXE.@)
*/
PEPROCESS WINAPI IoGetRequestorProcess(IRP *irp)
{
TRACE("irp %p.\n", irp);
return irp->Tail.Overlay.Thread->kthread.process;
}
#ifdef _WIN64
/***********************************************************************
* IoIs32bitProcess (NTOSKRNL.EXE.@)
*/
BOOLEAN WINAPI IoIs32bitProcess(IRP *irp)
{
TRACE("irp %p.\n", irp);
return irp->Tail.Overlay.Thread->kthread.process->wow64;
}
#endif
/***********************************************************************
* RtlIsNtDdiVersionAvailable (NTOSKRNL.EXE.@)
*/
BOOLEAN WINAPI RtlIsNtDdiVersionAvailable(ULONG version)
{
FIXME("stub: %ld\n", version);
return FALSE;
}
BOOLEAN WINAPI KdRefreshDebuggerNotPresent(void)
{
TRACE(".\n");
return !KdDebuggerEnabled;
}
struct generic_call_dpc_context
{
DEFERRED_REVERSE_BARRIER *reverse_barrier;
PKDEFERRED_ROUTINE routine;
ULONG *cpu_count_barrier;
void *context;
ULONG cpu_index;
ULONG current_barrier_flag;
LONG *barrier_passed_count;
};
static void WINAPI generic_call_dpc_callback(TP_CALLBACK_INSTANCE *instance, void *context)
{
struct generic_call_dpc_context *c = context;
GROUP_AFFINITY old, new;
TRACE("instance %p, context %p.\n", instance, context);
NtQueryInformationThread(GetCurrentThread(), ThreadGroupInformation,
&old, sizeof(old), NULL);
memset(&new, 0, sizeof(new));
new.Mask = 1 << c->cpu_index;
NtSetInformationThread(GetCurrentThread(), ThreadGroupInformation, &new, sizeof(new));
TlsSetValue(dpc_call_tls_index, context);
c->routine((PKDPC)0xdeadbeef, c->context, c->cpu_count_barrier, c->reverse_barrier);
TlsSetValue(dpc_call_tls_index, NULL);
NtSetInformationThread(GetCurrentThread(), ThreadGroupInformation, &old, sizeof(old));
}
void WINAPI KeGenericCallDpc(PKDEFERRED_ROUTINE routine, void *context)
{
ULONG cpu_count = KeQueryActiveProcessorCountEx(ALL_PROCESSOR_GROUPS);
static struct generic_call_dpc_context *contexts;
DEFERRED_REVERSE_BARRIER reverse_barrier;
static ULONG last_cpu_count;
LONG barrier_passed_count;
ULONG cpu_count_barrier;
ULONG i;
TRACE("routine %p, context %p.\n", routine, context);
EnterCriticalSection(&dpc_call_cs);
if (!dpc_call_tp)
{
if (!(dpc_call_tp = CreateThreadpool(NULL)))
{
ERR("Could not create thread pool.\n");
LeaveCriticalSection(&dpc_call_cs);
return;
}
SetThreadpoolThreadMinimum(dpc_call_tp, cpu_count);
SetThreadpoolThreadMaximum(dpc_call_tp, cpu_count);
memset(&dpc_call_tpe, 0, sizeof(dpc_call_tpe));
dpc_call_tpe.Version = 1;
dpc_call_tpe.Pool = dpc_call_tp;
}
reverse_barrier.Barrier = cpu_count;
reverse_barrier.TotalProcessors = cpu_count;
cpu_count_barrier = cpu_count;
if (contexts)
{
if (last_cpu_count < cpu_count)
{
static struct generic_call_dpc_context *new_contexts;
if (!(new_contexts = heap_realloc(contexts, sizeof(*contexts) * cpu_count)))
{
ERR("No memory.\n");
LeaveCriticalSection(&dpc_call_cs);
return;
}
contexts = new_contexts;
SetThreadpoolThreadMinimum(dpc_call_tp, cpu_count);
SetThreadpoolThreadMaximum(dpc_call_tp, cpu_count);
}
}
else if (!(contexts = heap_alloc(sizeof(*contexts) * cpu_count)))
{
ERR("No memory.\n");
LeaveCriticalSection(&dpc_call_cs);
return;
}
memset(contexts, 0, sizeof(*contexts) * cpu_count);
last_cpu_count = cpu_count;
barrier_passed_count = 0;
for (i = 0; i < cpu_count; ++i)
{
contexts[i].reverse_barrier = &reverse_barrier;
contexts[i].cpu_count_barrier = &cpu_count_barrier;
contexts[i].routine = routine;
contexts[i].context = context;
contexts[i].cpu_index = i;
contexts[i].barrier_passed_count = &barrier_passed_count;
TrySubmitThreadpoolCallback(generic_call_dpc_callback, &contexts[i], &dpc_call_tpe);
}
while (InterlockedCompareExchange((LONG *)&cpu_count_barrier, 0, 0))
SwitchToThread();
LeaveCriticalSection(&dpc_call_cs);
}
BOOLEAN WINAPI KeSignalCallDpcSynchronize(void *barrier)
{
struct generic_call_dpc_context *context = TlsGetValue(dpc_call_tls_index);
DEFERRED_REVERSE_BARRIER *b = barrier;
LONG curr_flag, comp, done_value;
BOOL first;
TRACE("barrier %p, context %p.\n", barrier, context);
if (!context)
{
WARN("Called outside of DPC context.\n");
return FALSE;
}
context->current_barrier_flag ^= 0x80000000;
curr_flag = context->current_barrier_flag;
first = !context->cpu_index;
comp = curr_flag + context->cpu_index;
done_value = curr_flag + b->TotalProcessors;
if (first)
InterlockedExchange((LONG *)&b->Barrier, comp);
while (InterlockedCompareExchange((LONG *)&b->Barrier, comp + 1, comp) != done_value)
;
InterlockedIncrement(context->barrier_passed_count);
while (first && InterlockedCompareExchange(context->barrier_passed_count, 0, b->TotalProcessors))
;
return first;
}
void WINAPI KeSignalCallDpcDone(void *barrier)
{
InterlockedDecrement((LONG *)barrier);
}
void * WINAPI PsGetProcessSectionBaseAddress(PEPROCESS process)
{
void *image_base;
NTSTATUS status;
SIZE_T size;
HANDLE h;
TRACE("process %p.\n", process);
if ((status = ObOpenObjectByPointer(process, 0, NULL, PROCESS_ALL_ACCESS, NULL, KernelMode, &h)))
{
WARN("Error opening process object, status %#lx.\n", status);
return NULL;
}
status = NtReadVirtualMemory(h, &process->info.PebBaseAddress->ImageBaseAddress,
&image_base, sizeof(image_base), &size);
NtClose(h);
if (status || size != sizeof(image_base))
{
WARN("Error reading process memory, status %#lx, size %Iu.\n", status, size);
return NULL;
}
TRACE("returning %p.\n", image_base);
return image_base;
}
void WINAPI KeStackAttachProcess(KPROCESS *process, KAPC_STATE *apc_state)
{
FIXME("process %p, apc_state %p stub.\n", process, apc_state);
}
void WINAPI KeUnstackDetachProcess(KAPC_STATE *apc_state)
{
FIXME("apc_state %p stub.\n", apc_state);
}
NTSTATUS WINAPI KdDisableDebugger(void)
{
FIXME(": stub.\n");
return STATUS_DEBUGGER_INACTIVE;
}
NTSTATUS WINAPI KdEnableDebugger(void)
{
FIXME(": stub.\n");
return STATUS_DEBUGGER_INACTIVE;
}
#ifdef __x86_64__
void WINAPI KfRaiseIrql(KIRQL new, KIRQL *old)
{
FIXME("new %u old %p: stub.\n", new, old);
}
void WINAPI KeLowerIrql(KIRQL new)
{
FIXME("new %u: stub.\n", new);
}
#endif
/*****************************************************
* DllMain
*/
BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
{
static void *handler;
LARGE_INTEGER count;
switch(reason)
{
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls( inst );
#if defined(__i386__) || defined(__x86_64__)
handler = RtlAddVectoredExceptionHandler( TRUE, vectored_handler );
#endif
KeQueryTickCount( &count ); /* initialize the global KeTickCount */
NtBuildNumber = NtCurrentTeb()->Peb->OSBuildNumber;
ntoskrnl_heap = HeapCreate( HEAP_CREATE_ENABLE_EXECUTE, 0, 0 );
dpc_call_tls_index = TlsAlloc();
LdrRegisterDllNotification( 0, ldr_notify_callback, NULL, &ldr_notify_cookie );
break;
case DLL_PROCESS_DETACH:
LdrUnregisterDllNotification( ldr_notify_cookie );
if (reserved) break;
if (dpc_call_tp)
CloseThreadpool(dpc_call_tp);
HeapDestroy( ntoskrnl_heap );
RtlRemoveVectoredExceptionHandler( handler );
break;
}
return TRUE;
}
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