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/*
* UMMISC: Virtual Miscellanea in Userspace
* (virtualization of pid/uid/gid/time/uname....)
* Copyright (C) 2006 Renzo Davoli <renzo@cs.unibo.it>
*
* This program can be distributed under the terms of the GNU GPLv2.
* See the file COPYING.LIB.
*/
#ifndef _UMMISC_H_
#define _UMMISC_H_
#include <stdint.h>
#include <sys/types.h>
#include <sys/stat.h>
#define IOCTLLENMASK 0x07ffffff
#define IOCTL_R 0x10000000
#define IOCTL_W 0x20000000
#define MISCFILESIZE 4096
#define UMMISC_DEBUG (1 << 29)
typedef void (* voidfun)(void *arg);
struct ummisc;
#define UMMISC_GET 1
#define UMMISC_PUT 0
struct fsentry {
char *name;
struct fsentry *subdir;
loff_t (*getputfun)(int op,char *value,int size,struct ummisc *mh,int tag,char *path);
int tag;
};
struct ummisc_operations {
struct fsentry root;
void (*init) (char *path, unsigned long flags, char *args,struct ummisc *mh);
void (*fini) (struct ummisc *mh);
};
/* MOUNT ARG MGMT */
struct miscargitem {
char *arg;
void (*fun)();
};
void miscargs(char *opts, struct miscargitem *miscargtab, int miscargsize, void *arg);
struct ummisc *searchmisc_sc(int scno);
void *misc_getdl(struct ummisc *mh);
void ummisc_setprivatedata(struct ummisc *mischandle,void *privatedata);
void *ummisc_getprivatedata(struct ummisc *mischandle);
//void ummisc_setmode(struct ummisc *mischandle, mode_t mode);
//mode_t ummisc_getmode(struct ummisc *mischandle);
#endif /* _UMMISC_H_ */
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