Subversion Repositories planix.SVN

typedef struct Usbfs Usbfs;

typedef struct Fid Fid;

enum

{

	Hdrsize	= 128,		/* plenty of room for headers */

	Msgsize	= 8216,		/* our preferred iounit (also devmnt's) */

	Bufsize	= Hdrsize + Msgsize,

	Namesz = 40,

	Errmax = 128,

	ONONE = ~0,		/* omode in Fid when not open */

};

struct Fid

{

	int	fid;

	Qid	qid;

	int	omode;

	Fid*	next;

	void*	aux;

};

struct Usbfs

{

	char	name[Namesz];

	uvlong	qid;

	Dev*	dev;

	void*	aux;

	int	(*walk)(Usbfs *fs, Fid *f, char *name);

	void	(*clone)(Usbfs *fs, Fid *of, Fid *nf);

	void	(*clunk)(Usbfs *fs, Fid *f);

	int	(*open)(Usbfs *fs, Fid *f, int mode);

	long	(*read)(Usbfs *fs, Fid *f, void *data, long count, vlong offset);

	long	(*write)(Usbfs *fs, Fid*f, void *data, long count, vlong offset);

	int	(*stat)(Usbfs *fs, Qid q, Dir *d);

	void	(*end)(Usbfs *fs);

};

typedef int (*Dirgen)(Usbfs*, Qid, int, Dir*, void*);

long	usbreadbuf(void *data, long count, vlong offset, void *buf, long n);

void	usbfsadd(Usbfs *dfs);

void	usbfsdel(Usbfs *dfs);

int	usbdirread(Usbfs*f, Qid q, char *data, long cnt, vlong off, Dirgen gen, void *arg);

void	usbfsinit(char* srv, char *mnt, Usbfs *f, int flag);

void	usbfsdirdump(void);

extern char Enotfound[];

extern char Etoosmall[];

extern char Eio[];

extern char Eperm[];

extern char Ebadcall[];

extern char Ebadfid[];

extern char Einuse[];

extern char Eisopen[];

extern char Ebadctl[];

extern Usbfs usbdirfs;

extern int usbfsdebug;