file.h

该项目主要是将wingdows程序直接运行在linux上

/*
 * file.h
 *
 * Copyright (C) 2006  Insigme Co., Ltd
 *
 * Authors: 
 * - Chenzhan Hu
 *
 * This software has been developed while working on the Linux Unified Kernel
 * project (http://linux.insigma.com.cn) in the Insigma Reaserch Institute,  
 * which is a subdivision of Insigma Co., Ltd (http://www.insigma.com.cn).
 * 
 * The project is sponsored by Insigma Co., Ltd.
 *
 * The authors can be reached at [e-mail].
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of  the GNU General  Public License as published by the
 * Free Software Foundation; either version 2 of the  License, or (at your
 * option) any later version.
 *
 * Revision History:
 *   Jan 2006 - Created.
 */
 
/*
 * file.h: win32 file definition
 * Reference to Kernel-win32 code
 */

#ifndef _FILE_H
#define _FILE_H

#include <linux/module.h>
#include "object.h"
#include "win32.h"

#ifdef CONFIG_UNIFIED_KERNEL

#define FILE_OPEN			0x00000001
#define FILE_CREATE			0x00000002
#define FILE_OPEN_IF			0x00000003
#define FILE_OVERWRITE			0x00000004
#define FILE_OVERWRITE_IF		0x00000005

#define FILE_FLAG_WRITE_THROUGH		0x80000000
#define FILE_FLAG_OVERLAPPED		0x40000000
#define FILE_FLAG_NO_BUFFERING		0x20000000
#define FILE_FLAG_RANDOM_ACCESS		0x10000000
#define FILE_FLAG_SEQUENTIAL_SCAN	0x08000000
#define FILE_FLAG_DELETE_ON_CLOSE	0x04000000
#define FILE_FLAG_BACKUP_SEMANTICS	0x02000000
#define FILE_FLAG_POSIX_SEMANTICS	0x01000000
#define FILE_FLAG_OPEN_REPARSE_POINT	0x00200000
#define FILE_FLAG_OPEN_NO_RECALL	0x00100000

#define FILE_ATTRIBUTE_READONLY         0x00000001L
#define FILE_ATTRIBUTE_HIDDEN           0x00000002L
#define FILE_ATTRIBUTE_SYSTEM           0x00000004L
#define FILE_ATTRIBUTE_LABEL            0x00000008L  /* Not in Windows API */
#define FILE_ATTRIBUTE_DIRECTORY        0x00000010L
#define FILE_ATTRIBUTE_ARCHIVE          0x00000020L
#define FILE_ATTRIBUTE_NORMAL           0x00000080L
#define FILE_ATTRIBUTE_TEMPORARY        0x00000100L
#define FILE_ATTRIBUTE_ATOMIC_WRITE     0x00000200L
#define FILE_ATTRIBUTE_XACTION_WRITE    0x00000400L
#define FILE_ATTRIBUTE_COMPRESSED       0x00000800L
#define FILE_ATTRIBUTE_OFFLINE		0x00001000L

#define CREATE_NEW			1
#define CREATE_ALWAYS			2
#define OPEN_EXISTING			3
#define OPEN_ALWAYS			4
#define TRUNCATE_EXISTING		5

#define GENERIC_READ			0x80000000L
#define GENERIC_WRITE			0x40000000L
#define GENERIC_EXECUTE			0x20000000L
#define GENERIC_ALL			0x10000000L

#define FILE_SHARE_READ			0x00000001
#define FILE_SHARE_WRITE		0x00000002
#define FILE_SHARE_DELETE		0x00000004

struct file_args {
	IN ACCESS_MASK	DesiredAccess;
	IN POBJECT_ATTRIBUTES	ObjectAttributes;
	OUT PIO_STATUS_BLOCK	IoStatusBlock;
	IN PLARGE_INTEGER	AllocationSize OPTIONAL;
	IN ULONG	FileAttributes;
	IN ULONG	ShareAccess;
	IN ULONG	CreateDisposition;
	IN ULONG	CreateOptions;
	IN PVOID	EaBuffer OPTIONAL;
	IN ULONG	EaLength;
};

typedef struct win32_file_ctrl win32_file_ctrl;

/*
 * process-access file object definition
 */
struct win32_file {
	struct list_head	wf_ctllist;	/* file control list next */
	win32_file_ctrl		*wf_control;	/* the file control object */

	struct file		*wf_file;	/* the Linux file */
	__u32			wf_access;	/* file access mode */
	__u32			wf_sharing;	/* sharing mode */
	__u32			wf_attrs;	/* file open attributes */
};

extern struct win32_object_class file_objclass;

/*
 * file-control object definition
 * - links together win32_file objects that use the same file
 */
struct win32_file_ctrl {
	struct list_head	wfc_accessors;	/* who's accessing this file */
	spinlock_t		wfc_lock;	/* govern access to list */
	struct win32_object	*wfc_myself;	/* my own object */
};

extern void FileClassInit(void);

NTSTATUS
STDCALL
NtCreateFile(
		OUT PHANDLE FileHandle,
		IN ACCESS_MASK DesiredAccess,
		IN POBJECT_ATTRIBUTES ObjectAttributes,
		OUT PIO_STATUS_BLOCK IoStatusBlock,
		IN PLARGE_INTEGER AllocationSize OPTIONAL,
		IN ULONG FileAttributes,
		IN ULONG ShareAccess,
		IN ULONG CreateDisposition,
		IN ULONG CreateOptions,
		IN PVOID EaBuffer OPTIONAL,
		IN ULONG EaLength);

NTSTATUS
STDCALL
NtOpenFile(
		OUT PHANDLE FileHandle,
		IN ACCESS_MASK DesiredAccess,
		IN POBJECT_ATTRIBUTES ObjectAttributes,
		OUT PIO_STATUS_BLOCK IoStatusBlock,
		IN ULONG ShareAccess,
		IN ULONG OpenOptions
		);

NTSTATUS
STDCALL
NtReadFile(IN HANDLE FileHandle,
		IN HANDLE Event OPTIONAL,
		IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
		IN PVOID ApcContext OPTIONAL,
		OUT PIO_STATUS_BLOCK IoStatusBlock,
		OUT PVOID Buffer,
		IN ULONG Length,
		IN PLARGE_INTEGER ByteOffset OPTIONAL, /* NOT optional for asynch. operations! */
		IN PULONG Key OPTIONAL);

NTSTATUS
STDCALL
NtWriteFile (IN HANDLE FileHandle,
             IN HANDLE Event OPTIONAL,
             IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
             IN PVOID ApcContext OPTIONAL,
             OUT PIO_STATUS_BLOCK IoStatusBlock,
             IN PVOID Buffer,
             IN ULONG Length,
             IN PLARGE_INTEGER ByteOffset OPTIONAL, /* NOT optional for asynch. operations! */
             IN PULONG Key OPTIONAL);

NTSTATUS STDCALL
NtSetInformationFile(HANDLE FileHandle,
                     PIO_STATUS_BLOCK IoStatusBlock,
                     PVOID FileInformation,
                     ULONG Length,
                     FILE_INFORMATION_CLASS FileInformationClass);

NTSTATUS STDCALL
NtQueryInformationFile(HANDLE FileHandle,
                     PIO_STATUS_BLOCK IoStatusBlock,
                     PVOID FileInformation,
                     ULONG Length,
                     FILE_INFORMATION_CLASS FileInformationClass);

NTSTATUS STDCALL
NtFlushBuffersFile(IN HANDLE FileHandle,
		 OUT PIO_STATUS_BLOCK IoStatusBlock);

#endif /* CONFIG_UNIFIED_KERNEL */
#endif /* _FILE_H */