7 #pragma src "/sys/src/libc/9sys"
11 #define VERSION9P "9P2000"
20 u32int msize; /* Tversion, Rversion */
21 char *version; /* Tversion, Rversion */
22 ushort oldtag; /* Tflush */
23 char *ename; /* Rerror */
24 Qid qid; /* Rattach, Ropen, Rcreate */
25 u32int iounit; /* Ropen, Rcreate */
27 u32int afid; /* Tauth, Tattach */
28 char *uname; /* Tauth, Tattach */
29 char *aname; /* Tauth, Tattach */
30 u32int perm; /* Tcreate */
31 char *name; /* Tcreate */
32 uchar mode; /* Tcreate, Topen */
33 u32int newfid; /* Twalk */
34 ushort nwname; /* Twalk */
35 char *wname[MAXWELEM]; /* Twalk */
36 ushort nwqid; /* Rwalk */
37 Qid wqid[MAXWELEM]; /* Rwalk */
38 vlong offset; /* Tread, Twrite */
39 u32int count; /* Tread, Twrite, Rread */
40 char *data; /* Twrite, Rread */
41 ushort nstat; /* Twstat, Rstat */
42 uchar *stat; /* Twstat, Rstat */
43 int unixfd; /* Ropenfd */
45 /* 9P2000.u extensions */
46 int errornum; /* Rerror */
47 char *extension; /* Tcreate */
51 #define GBIT8(p) ((p)[0])
52 #define GBIT16(p) ((p)[0]|((p)[1]<<8))
53 #define GBIT32(p) ((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24))
54 #define GBIT64(p) ((u32int)((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24)) |\
55 ((vlong)((p)[4]|((p)[5]<<8)|((p)[6]<<16)|((p)[7]<<24)) << 32))
57 #define PBIT8(p,v) (p)[0]=(v)
58 #define PBIT16(p,v) (p)[0]=(v);(p)[1]=(v)>>8
59 #define PBIT32(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24
60 #define PBIT64(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24;\
61 (p)[4]=(v)>>32;(p)[5]=(v)>>40;(p)[6]=(v)>>48;(p)[7]=(v)>>56
67 #define QIDSZ (BIT8SZ+BIT32SZ+BIT64SZ)
69 /* STATFIXLEN includes leading 16-bit count */
70 /* The count, however, excludes itself; total size is BIT16SZ+count */
71 #define STATFIXLEN (BIT16SZ+QIDSZ+5*BIT16SZ+4*BIT32SZ+1*BIT64SZ) /* amount of fixed length data in a stat buffer */
72 #define STATFIXLENU (STATFIXLEN+BIT16SZ+3*BIT32SZ) /* for 9P2000.u */
74 #define NOTAG (ushort)~0U /* Dummy tag */
75 #define NOFID (u32int)~0U /* Dummy fid */
76 #define IOHDRSZ 24 /* ample room for Twrite/Rread header (iounit) */
86 Terror = 106, /* illegal */
114 uint convM2S(uchar*, uint, Fcall*);
115 uint convS2M(Fcall*, uchar*, uint);
116 uint sizeS2M(Fcall*);
118 int statcheck(uchar *abuf, uint nbuf);
119 uint convM2D(uchar*, uint, Dir*, char*);
120 uint convD2M(Dir*, uchar*, uint);
123 uint convM2Su(uchar*, uint, Fcall*, int);
124 uint convS2Mu(Fcall*, uchar*, uint, int);
125 uint sizeS2Mu(Fcall*, int);
127 int statchecku(uchar *abuf, uint nbuf, int);
128 uint convM2Du(uchar*, uint, Dir*, char*, int);
129 uint convD2Mu(Dir*, uchar*, uint, int);
130 uint sizeD2Mu(Dir*, int);
134 int dirmodefmt(Fmt*);
136 int read9pmsg(int, void*, uint);
139 #pragma varargck type "F" Fcall*
140 #pragma varargck type "M" ulong
141 #pragma varargck type "D" Dir*