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Date:: Thu Dec 11 17:48:38 2003 UTC
Message:: Add support for user-level 9P servers/clients and various bug fixes to go with them.
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  1 f7012583 2003-11-25 devnull #ifndef _FCALL_H_
  2 f7012583 2003-11-25 devnull #define _FCALL_H_ 1
  3 e97ceade 2003-12-06 devnull #ifdef __cplusplus
  4 e97ceade 2003-12-06 devnull extern "C" {
  5 f7012583 2003-11-25 devnull #endif
  6 97a5e5f2 2003-11-23 devnull /*
  7 97a5e5f2 2003-11-23 devnull #pragma	src	"/sys/src/libc/9sys"
  8 97a5e5f2 2003-11-23 devnull #pragma	lib	"libc.a"
  9 97a5e5f2 2003-11-23 devnull */
 10 97a5e5f2 2003-11-23 devnull 
 11 97a5e5f2 2003-11-23 devnull #define	VERSION9P	"9P2000"
 12 97a5e5f2 2003-11-23 devnull #define	MAXWELEM	16
 13 97a5e5f2 2003-11-23 devnull 
 14 97a5e5f2 2003-11-23 devnull typedef
 15 97a5e5f2 2003-11-23 devnull struct	Fcall
 16 97a5e5f2 2003-11-23 devnull {
 17 97a5e5f2 2003-11-23 devnull 	uchar	type;
 18 97a5e5f2 2003-11-23 devnull 	u32int	fid;
 19 97a5e5f2 2003-11-23 devnull 	ushort	tag;
 20 97a5e5f2 2003-11-23 devnull 	u32int	msize;		/* Tversion, Rversion */
 21 97a5e5f2 2003-11-23 devnull 	char	*version;	/* Tversion, Rversion */
 22 97a5e5f2 2003-11-23 devnull 	ushort	oldtag;		/* Tflush */
 23 97a5e5f2 2003-11-23 devnull 	char	*ename;		/* Rerror */
 24 97a5e5f2 2003-11-23 devnull 	Qid	qid;		/* Rattach, Ropen, Rcreate */
 25 97a5e5f2 2003-11-23 devnull 	u32int	iounit;		/* Ropen, Rcreate */
 26 97a5e5f2 2003-11-23 devnull 	Qid	aqid;		/* Rauth */
 27 97a5e5f2 2003-11-23 devnull 	u32int	afid;		/* Tauth, Tattach */
 28 97a5e5f2 2003-11-23 devnull 	char	*uname;		/* Tauth, Tattach */
 29 97a5e5f2 2003-11-23 devnull 	char	*aname;		/* Tauth, Tattach */
 30 97a5e5f2 2003-11-23 devnull 	u32int	perm;		/* Tcreate */ 
 31 97a5e5f2 2003-11-23 devnull 	char	*name;		/* Tcreate */
 32 97a5e5f2 2003-11-23 devnull 	uchar	mode;		/* Tcreate, Topen */
 33 97a5e5f2 2003-11-23 devnull 	u32int	newfid;		/* Twalk */
 34 97a5e5f2 2003-11-23 devnull 	ushort	nwname;		/* Twalk */
 35 97a5e5f2 2003-11-23 devnull 	char	*wname[MAXWELEM];	/* Twalk */
 36 97a5e5f2 2003-11-23 devnull 	ushort	nwqid;		/* Rwalk */
 37 97a5e5f2 2003-11-23 devnull 	Qid	wqid[MAXWELEM];		/* Rwalk */
 38 97a5e5f2 2003-11-23 devnull 	vlong	offset;		/* Tread, Twrite */
 39 97a5e5f2 2003-11-23 devnull 	u32int	count;		/* Tread, Twrite, Rread */
 40 97a5e5f2 2003-11-23 devnull 	char	*data;		/* Twrite, Rread */
 41 97a5e5f2 2003-11-23 devnull 	ushort	nstat;		/* Twstat, Rstat */
 42 97a5e5f2 2003-11-23 devnull 	uchar	*stat;		/* Twstat, Rstat */
 43 32f69c36 2003-12-11 devnull 	int	unixfd;		/* Ropenfd */
 44 97a5e5f2 2003-11-23 devnull } Fcall;
 45 97a5e5f2 2003-11-23 devnull 
 46 97a5e5f2 2003-11-23 devnull 
 47 97a5e5f2 2003-11-23 devnull #define	GBIT8(p)	((p)[0])
 48 97a5e5f2 2003-11-23 devnull #define	GBIT16(p)	((p)[0]|((p)[1]<<8))
 49 97a5e5f2 2003-11-23 devnull #define	GBIT32(p)	((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24))
 50 97a5e5f2 2003-11-23 devnull #define	GBIT64(p)	((vlong)((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24)) |\
 51 97a5e5f2 2003-11-23 devnull 				((vlong)((p)[4]|((p)[5]<<8)|((p)[6]<<16)|((p)[7]<<24)) << 32))
 52 97a5e5f2 2003-11-23 devnull 
 53 97a5e5f2 2003-11-23 devnull #define	PBIT8(p,v)	(p)[0]=(v)
 54 97a5e5f2 2003-11-23 devnull #define	PBIT16(p,v)	(p)[0]=(v);(p)[1]=(v)>>8
 55 97a5e5f2 2003-11-23 devnull #define	PBIT32(p,v)	(p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24
 56 97a5e5f2 2003-11-23 devnull #define	PBIT64(p,v)	(p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24;\
 57 97a5e5f2 2003-11-23 devnull 			(p)[4]=(v)>>32;(p)[5]=(v)>>40;(p)[6]=(v)>>48;(p)[7]=(v)>>56
 58 97a5e5f2 2003-11-23 devnull 
 59 97a5e5f2 2003-11-23 devnull #define	BIT8SZ		1
 60 97a5e5f2 2003-11-23 devnull #define	BIT16SZ		2
 61 97a5e5f2 2003-11-23 devnull #define	BIT32SZ		4
 62 97a5e5f2 2003-11-23 devnull #define	BIT64SZ		8
 63 97a5e5f2 2003-11-23 devnull #define	QIDSZ	(BIT8SZ+BIT32SZ+BIT64SZ)
 64 97a5e5f2 2003-11-23 devnull 
 65 97a5e5f2 2003-11-23 devnull /* STATFIXLEN includes leading 16-bit count */
 66 97a5e5f2 2003-11-23 devnull /* The count, however, excludes itself; total size is BIT16SZ+count */
 67 97a5e5f2 2003-11-23 devnull #define STATFIXLEN	(BIT16SZ+QIDSZ+5*BIT16SZ+4*BIT32SZ+1*BIT64SZ)	/* amount of fixed length data in a stat buffer */
 68 97a5e5f2 2003-11-23 devnull 
 69 97a5e5f2 2003-11-23 devnull #define	NOTAG		(ushort)~0U	/* Dummy tag */
 70 97a5e5f2 2003-11-23 devnull #define	NOFID		(u32int)~0U	/* Dummy fid */
 71 97a5e5f2 2003-11-23 devnull #define	IOHDRSZ		24	/* ample room for Twrite/Rread header (iounit) */
 72 97a5e5f2 2003-11-23 devnull 
 73 97a5e5f2 2003-11-23 devnull enum
 74 97a5e5f2 2003-11-23 devnull {
 75 97a5e5f2 2003-11-23 devnull 	Tversion =	100,
 76 97a5e5f2 2003-11-23 devnull 	Rversion,
 77 97a5e5f2 2003-11-23 devnull 	Tauth =		102,
 78 97a5e5f2 2003-11-23 devnull 	Rauth,
 79 97a5e5f2 2003-11-23 devnull 	Tattach =	104,
 80 97a5e5f2 2003-11-23 devnull 	Rattach,
 81 97a5e5f2 2003-11-23 devnull 	Terror =	106,	/* illegal */
 82 97a5e5f2 2003-11-23 devnull 	Rerror,
 83 97a5e5f2 2003-11-23 devnull 	Tflush =	108,
 84 97a5e5f2 2003-11-23 devnull 	Rflush,
 85 97a5e5f2 2003-11-23 devnull 	Twalk =		110,
 86 97a5e5f2 2003-11-23 devnull 	Rwalk,
 87 97a5e5f2 2003-11-23 devnull 	Topen =		112,
 88 97a5e5f2 2003-11-23 devnull 	Ropen,
 89 97a5e5f2 2003-11-23 devnull 	Tcreate =	114,
 90 97a5e5f2 2003-11-23 devnull 	Rcreate,
 91 97a5e5f2 2003-11-23 devnull 	Tread =		116,
 92 97a5e5f2 2003-11-23 devnull 	Rread,
 93 97a5e5f2 2003-11-23 devnull 	Twrite =	118,
 94 97a5e5f2 2003-11-23 devnull 	Rwrite,
 95 97a5e5f2 2003-11-23 devnull 	Tclunk =	120,
 96 97a5e5f2 2003-11-23 devnull 	Rclunk,
 97 97a5e5f2 2003-11-23 devnull 	Tremove =	122,
 98 97a5e5f2 2003-11-23 devnull 	Rremove,
 99 97a5e5f2 2003-11-23 devnull 	Tstat =		124,
100 97a5e5f2 2003-11-23 devnull 	Rstat,
101 97a5e5f2 2003-11-23 devnull 	Twstat =	126,
102 97a5e5f2 2003-11-23 devnull 	Rwstat,
103 97a5e5f2 2003-11-23 devnull 	Tmax,
104 32f69c36 2003-12-11 devnull 
105 32f69c36 2003-12-11 devnull 	Topenfd = 	98,
106 32f69c36 2003-12-11 devnull 	Ropenfd,
107 97a5e5f2 2003-11-23 devnull };
108 97a5e5f2 2003-11-23 devnull 
109 97a5e5f2 2003-11-23 devnull uint	convM2S(uchar*, uint, Fcall*);
110 97a5e5f2 2003-11-23 devnull uint	convS2M(Fcall*, uchar*, uint);
111 97a5e5f2 2003-11-23 devnull uint	sizeS2M(Fcall*);
112 97a5e5f2 2003-11-23 devnull 
113 97a5e5f2 2003-11-23 devnull int	statcheck(uchar *abuf, uint nbuf);
114 97a5e5f2 2003-11-23 devnull uint	convM2D(uchar*, uint, Dir*, char*);
115 97a5e5f2 2003-11-23 devnull uint	convD2M(Dir*, uchar*, uint);
116 97a5e5f2 2003-11-23 devnull uint	sizeD2M(Dir*);
117 97a5e5f2 2003-11-23 devnull 
118 97a5e5f2 2003-11-23 devnull int	fcallfmt(Fmt*);
119 97a5e5f2 2003-11-23 devnull int	dirfmt(Fmt*);
120 97a5e5f2 2003-11-23 devnull int	dirmodefmt(Fmt*);
121 97a5e5f2 2003-11-23 devnull 
122 97a5e5f2 2003-11-23 devnull int	read9pmsg(int, void*, uint);
123 97a5e5f2 2003-11-23 devnull 
124 97a5e5f2 2003-11-23 devnull /*
125 97a5e5f2 2003-11-23 devnull #pragma	varargck	type	"F"	Fcall*
126 97a5e5f2 2003-11-23 devnull #pragma	varargck	type	"M"	ulong
127 97a5e5f2 2003-11-23 devnull #pragma	varargck	type	"D"	Dir*
128 97a5e5f2 2003-11-23 devnull */
129 e97ceade 2003-12-06 devnull 
130 e97ceade 2003-12-06 devnull #ifdef __cplusplus
131 f7012583 2003-11-25 devnull }
132 f7012583 2003-11-25 devnull #endif
133 f7012583 2003-11-25 devnull #endif