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winfsp/inc/fuse/fuse_common.h
Bill Zissimopoulos c8366af48c update source copyright for 2025
2025-05-15 20:33:31 +01:00

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/**
* @file fuse/fuse_common.h
* WinFsp FUSE compatible API.
*
* This file is derived from libfuse/include/fuse_common.h:
* FUSE: Filesystem in Userspace
* Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
*
* @copyright 2015-2025 Bill Zissimopoulos
*/
/*
* This file is part of WinFsp.
*
* You can redistribute it and/or modify it under the terms of the GNU
* General Public License version 3 as published by the Free Software
* Foundation.
*
* Licensees holding a valid commercial license may use this software
* in accordance with the commercial license agreement provided in
* conjunction with the software. The terms and conditions of any such
* commercial license agreement shall govern, supersede, and render
* ineffective any application of the GPLv3 license to this software,
* notwithstanding of any reference thereto in the software or
* associated repository.
*/
#ifndef FUSE_COMMON_H_
#define FUSE_COMMON_H_
#include "winfsp_fuse.h"
#include "fuse_opt.h"
#ifdef __cplusplus
extern "C" {
#endif
#define FUSE_MAJOR_VERSION 2
#define FUSE_MINOR_VERSION 8
#define FUSE_MAKE_VERSION(maj, min) ((maj) * 10 + (min))
#define FUSE_VERSION FUSE_MAKE_VERSION(FUSE_MAJOR_VERSION, FUSE_MINOR_VERSION)
#define FUSE_CAP_ASYNC_READ (1 << 0)
#define FUSE_CAP_POSIX_LOCKS (1 << 1)
#define FUSE_CAP_ATOMIC_O_TRUNC (1 << 3)
#define FUSE_CAP_EXPORT_SUPPORT (1 << 4)
#define FUSE_CAP_BIG_WRITES (1 << 5)
#define FUSE_CAP_DONT_MASK (1 << 6)
#define FUSE_CAP_ALLOCATE (1 << 27) /* reserved (OSXFUSE) */
#define FUSE_CAP_EXCHANGE_DATA (1 << 28) /* reserved (OSXFUSE) */
#define FUSE_CAP_CASE_INSENSITIVE (1 << 29) /* file system is case insensitive */
#define FUSE_CAP_VOL_RENAME (1 << 30) /* reserved (OSXFUSE) */
#define FUSE_CAP_XTIMES (1 << 31) /* reserved (OSXFUSE) */
#define FSP_FUSE_CAP_READDIR_PLUS (1 << 21) /* file system supports enhanced readdir */
#define FSP_FUSE_CAP_READ_ONLY (1 << 22) /* file system is marked read-only */
#define FSP_FUSE_CAP_STAT_EX (1 << 23) /* file system supports fuse_stat_ex */
#define FSP_FUSE_CAP_DELETE_ACCESS (1 << 24) /* file system supports access with DELETE_OK */
#define FSP_FUSE_CAP_CASE_INSENSITIVE FUSE_CAP_CASE_INSENSITIVE
#define FUSE_IOCTL_COMPAT (1 << 0)
#define FUSE_IOCTL_UNRESTRICTED (1 << 1)
#define FUSE_IOCTL_RETRY (1 << 2)
#define FUSE_IOCTL_MAX_IOV 256
/* from FreeBSD */
#define FSP_FUSE_UF_HIDDEN 0x00008000
#define FSP_FUSE_UF_READONLY 0x00001000
#define FSP_FUSE_UF_SYSTEM 0x00000080
#define FSP_FUSE_UF_ARCHIVE 0x00000800
#if !defined(UF_HIDDEN)
#define UF_HIDDEN FSP_FUSE_UF_HIDDEN
#endif
#if !defined(UF_READONLY)
#define UF_READONLY FSP_FUSE_UF_READONLY
#endif
#if !defined(UF_SYSTEM)
#define UF_SYSTEM FSP_FUSE_UF_SYSTEM
#endif
#if !defined(UF_ARCHIVE)
#define UF_ARCHIVE FSP_FUSE_UF_ARCHIVE
#endif
/* delete access */
#define FSP_FUSE_DELETE_OK 0x40000000
/* notify extension */
#define FSP_FUSE_NOTIFY_MKDIR 0x0001
#define FSP_FUSE_NOTIFY_RMDIR 0x0002
#define FSP_FUSE_NOTIFY_CREATE 0x0004
#define FSP_FUSE_NOTIFY_UNLINK 0x0008
#define FSP_FUSE_NOTIFY_CHMOD 0x0010
#define FSP_FUSE_NOTIFY_CHOWN 0x0020
#define FSP_FUSE_NOTIFY_UTIME 0x0040
#define FSP_FUSE_NOTIFY_CHFLAGS 0x0080
#define FSP_FUSE_NOTIFY_TRUNCATE 0x0100
/* getpath extension */
#define FSP_FUSE_HAS_GETPATH 1
struct fuse_file_info
{
int flags;
unsigned int fh_old;
int writepage;
unsigned int direct_io:1;
unsigned int keep_cache:1;
unsigned int flush:1;
unsigned int nonseekable:1;
unsigned int padding:28;
uint64_t fh;
uint64_t lock_owner;
};
struct fuse_conn_info
{
unsigned proto_major;
unsigned proto_minor;
unsigned async_read;
unsigned max_write;
unsigned max_readahead;
unsigned capable;
unsigned want;
unsigned reserved[25];
};
struct fuse_session;
struct fuse_chan;
struct fuse_pollhandle;
struct fuse_bufvec;
struct fuse_statfs;
struct fuse_setattr_x;
FSP_FUSE_API int FSP_FUSE_API_NAME(fsp_fuse_version)(struct fsp_fuse_env *env);
FSP_FUSE_API struct fuse_chan *FSP_FUSE_API_NAME(fsp_fuse_mount)(struct fsp_fuse_env *env,
const char *mountpoint, struct fuse_args *args);
FSP_FUSE_API void FSP_FUSE_API_NAME(fsp_fuse_unmount)(struct fsp_fuse_env *env,
const char *mountpoint, struct fuse_chan *ch);
FSP_FUSE_API int FSP_FUSE_API_NAME(fsp_fuse_parse_cmdline)(struct fsp_fuse_env *env,
struct fuse_args *args,
char **mountpoint, int *multithreaded, int *foreground);
FSP_FUSE_API int32_t FSP_FUSE_API_NAME(fsp_fuse_ntstatus_from_errno)(struct fsp_fuse_env *env,
int err);
FSP_FUSE_SYM(
int fuse_version(void),
{
return FSP_FUSE_API_CALL(fsp_fuse_version)
(fsp_fuse_env());
})
FSP_FUSE_SYM(
struct fuse_chan *fuse_mount(const char *mountpoint, struct fuse_args *args),
{
return FSP_FUSE_API_CALL(fsp_fuse_mount)
(fsp_fuse_env(), mountpoint, args);
})
FSP_FUSE_SYM(
void fuse_unmount(const char *mountpoint, struct fuse_chan *ch),
{
FSP_FUSE_API_CALL(fsp_fuse_unmount)
(fsp_fuse_env(), mountpoint, ch);
})
FSP_FUSE_SYM(
int fuse_parse_cmdline(struct fuse_args *args,
char **mountpoint, int *multithreaded, int *foreground),
{
return FSP_FUSE_API_CALL(fsp_fuse_parse_cmdline)
(fsp_fuse_env(), args, mountpoint, multithreaded, foreground);
})
FSP_FUSE_SYM(
void fuse_pollhandle_destroy(struct fuse_pollhandle *ph),
{
(void)ph;
})
FSP_FUSE_SYM(
int fuse_daemonize(int foreground),
{
return fsp_fuse_daemonize(foreground);
})
FSP_FUSE_SYM(
int fuse_set_signal_handlers(struct fuse_session *se),
{
return fsp_fuse_set_signal_handlers(se);
})
FSP_FUSE_SYM(
void fuse_remove_signal_handlers(struct fuse_session *se),
{
(void)se;
fsp_fuse_set_signal_handlers(0);
})
#ifdef __cplusplus
}
#endif
#endif
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