1 78a779a3 2008-07-20 rsc typedef	struct Ioclust	Ioclust;
  2 78a779a3 2008-07-20 rsc typedef	struct Iobuf	Iobuf;
  3 78a779a3 2008-07-20 rsc typedef	struct Isofile	Isofile;
  4 78a779a3 2008-07-20 rsc typedef struct Xdata	Xdata;
  5 78a779a3 2008-07-20 rsc typedef struct Xfile	Xfile;
  6 78a779a3 2008-07-20 rsc typedef struct Xfs	Xfs;
  7 78a779a3 2008-07-20 rsc typedef struct Xfsub	Xfsub;
  8 78a779a3 2008-07-20 rsc 
  9 78a779a3 2008-07-20 rsc #pragma incomplete Isofile
 10 78a779a3 2008-07-20 rsc 
 11 78a779a3 2008-07-20 rsc enum
 12 78a779a3 2008-07-20 rsc {
 13 78a779a3 2008-07-20 rsc 	Sectorsize = 2048,
 14 78a779a3 2008-07-20 rsc 	Maxname = 256,
 15 78a779a3 2008-07-20 rsc };
 16 78a779a3 2008-07-20 rsc 
 17 78a779a3 2008-07-20 rsc struct Iobuf
 18 78a779a3 2008-07-20 rsc {
 19 78a779a3 2008-07-20 rsc 	Ioclust* clust;
 20 78a779a3 2008-07-20 rsc 	long	addr;
 21 78a779a3 2008-07-20 rsc 	uchar*	iobuf;
 22 78a779a3 2008-07-20 rsc };
 23 78a779a3 2008-07-20 rsc 
 24 78a779a3 2008-07-20 rsc struct Ioclust
 25 78a779a3 2008-07-20 rsc {
 26 78a779a3 2008-07-20 rsc 	long	addr;			/* in sectors; good to 8TB */
 27 78a779a3 2008-07-20 rsc 	Xdata*	dev;
 28 78a779a3 2008-07-20 rsc 	Ioclust* next;
 29 78a779a3 2008-07-20 rsc 	Ioclust* prev;
 30 78a779a3 2008-07-20 rsc 	int	busy;
 31 78a779a3 2008-07-20 rsc 	int	nbuf;
 32 78a779a3 2008-07-20 rsc 	Iobuf*	buf;
 33 78a779a3 2008-07-20 rsc 	uchar*	iobuf;
 34 78a779a3 2008-07-20 rsc };
 35 78a779a3 2008-07-20 rsc 
 36 78a779a3 2008-07-20 rsc struct Xdata
 37 78a779a3 2008-07-20 rsc {
 38 78a779a3 2008-07-20 rsc 	Xdata*	next;
 39 78a779a3 2008-07-20 rsc 	char*	name;		/* of underlying file */
 40 78a779a3 2008-07-20 rsc 	Qid	qid;
 41 78a779a3 2008-07-20 rsc 	short	type;
 42 78a779a3 2008-07-20 rsc 	short	fdev;
 43 78a779a3 2008-07-20 rsc 	int	ref;		/* attach count */
 44 78a779a3 2008-07-20 rsc 	int	dev;		/* for read/write */
 45 78a779a3 2008-07-20 rsc };
 46 78a779a3 2008-07-20 rsc 
 47 78a779a3 2008-07-20 rsc struct Xfsub
 48 78a779a3 2008-07-20 rsc {
 49 78a779a3 2008-07-20 rsc 	void	(*reset)(void);
 50 78a779a3 2008-07-20 rsc 	int	(*attach)(Xfile*);
 51 78a779a3 2008-07-20 rsc 	void	(*clone)(Xfile*, Xfile*);
 52 78a779a3 2008-07-20 rsc 	void	(*walkup)(Xfile*);
 53 78a779a3 2008-07-20 rsc 	void	(*walk)(Xfile*, char*);
 54 78a779a3 2008-07-20 rsc 	void	(*open)(Xfile*, int);
 55 78a779a3 2008-07-20 rsc 	void	(*create)(Xfile*, char*, long, int);
 56 78a779a3 2008-07-20 rsc 	long	(*readdir)(Xfile*, uchar*, long, long);
 57 78a779a3 2008-07-20 rsc 	long	(*read)(Xfile*, char*, vlong, long);
 58 78a779a3 2008-07-20 rsc 	long	(*write)(Xfile*, char*, vlong, long);
 59 78a779a3 2008-07-20 rsc 	void	(*clunk)(Xfile*);
 60 78a779a3 2008-07-20 rsc 	void	(*remove)(Xfile*);
 61 78a779a3 2008-07-20 rsc 	void	(*stat)(Xfile*, Dir*);
 62 78a779a3 2008-07-20 rsc 	void	(*wstat)(Xfile*, Dir*);
 63 78a779a3 2008-07-20 rsc };
 64 78a779a3 2008-07-20 rsc 
 65 78a779a3 2008-07-20 rsc struct Xfs
 66 78a779a3 2008-07-20 rsc {
 67 78a779a3 2008-07-20 rsc 	Xdata*	d;		/* how to get the bits */
 68 78a779a3 2008-07-20 rsc 	Xfsub*	s;		/* how to use them */
 69 78a779a3 2008-07-20 rsc 	int	ref;
 70 78a779a3 2008-07-20 rsc 	int	issusp;	/* follows system use sharing protocol */
 71 78a779a3 2008-07-20 rsc 	long	suspoff;	/* if so, offset at which SUSP area begins */
 72 78a779a3 2008-07-20 rsc 	int	isrock;	/* Rock Ridge format */
 73 78a779a3 2008-07-20 rsc 	int	isplan9;	/* has Plan 9-specific directory info */
 74 78a779a3 2008-07-20 rsc 	Qid	rootqid;
 75 78a779a3 2008-07-20 rsc 	Isofile*	ptr;		/* private data */
 76 78a779a3 2008-07-20 rsc };
 77 78a779a3 2008-07-20 rsc 
 78 78a779a3 2008-07-20 rsc struct Xfile
 79 78a779a3 2008-07-20 rsc {
 80 78a779a3 2008-07-20 rsc 	Xfile*	next;		/* in fid hash bucket */
 81 78a779a3 2008-07-20 rsc 	Xfs*	xf;
 82 78a779a3 2008-07-20 rsc 	long	fid;
 83 78a779a3 2008-07-20 rsc 	ulong	flags;
 84 78a779a3 2008-07-20 rsc 	Qid	qid;
 85 78a779a3 2008-07-20 rsc 	int	len;		/* of private data */
 86 78a779a3 2008-07-20 rsc 	Isofile*	ptr;
 87 78a779a3 2008-07-20 rsc };
 88 78a779a3 2008-07-20 rsc 
 89 78a779a3 2008-07-20 rsc enum
 90 78a779a3 2008-07-20 rsc {
 91 78a779a3 2008-07-20 rsc 	Asis,
 92 78a779a3 2008-07-20 rsc 	Clean,
 93 78a779a3 2008-07-20 rsc 	Clunk
 94 78a779a3 2008-07-20 rsc };
 95 78a779a3 2008-07-20 rsc 
 96 78a779a3 2008-07-20 rsc enum
 97 78a779a3 2008-07-20 rsc {
 98 78a779a3 2008-07-20 rsc 	Oread = 1,
 99 78a779a3 2008-07-20 rsc 	Owrite = 2,
100 78a779a3 2008-07-20 rsc 	Orclose = 4,
101 78a779a3 2008-07-20 rsc 	Omodes = 3,
102 78a779a3 2008-07-20 rsc };
103 78a779a3 2008-07-20 rsc 
104 78a779a3 2008-07-20 rsc extern char	Enonexist[];	/* file does not exist */
105 78a779a3 2008-07-20 rsc extern char	Eperm[];	/* permission denied */
106 78a779a3 2008-07-20 rsc extern char	Enofile[];	/* no file system specified */
107 78a779a3 2008-07-20 rsc extern char	Eauth[];	/* authentication failed */
108 78a779a3 2008-07-20 rsc 
109 78a779a3 2008-07-20 rsc extern char	*srvname;
110 78a779a3 2008-07-20 rsc extern char	*deffile;
111 78a779a3 2008-07-20 rsc extern int	chatty;
112 78a779a3 2008-07-20 rsc extern jmp_buf	err_lab[];
113 78a779a3 2008-07-20 rsc extern int	nerr_lab;
114 78a779a3 2008-07-20 rsc extern char	err_msg[];
115 78a779a3 2008-07-20 rsc 
116 78a779a3 2008-07-20 rsc extern int nojoliet;
117 78a779a3 2008-07-20 rsc extern int noplan9;
118 78a779a3 2008-07-20 rsc extern int norock;