ref: 6fb85848001386a1acf2bc47605b797ce21c48a7
dir: /include/fcall.h/
#define VERSION9P "9P2000" #define MAXWELEM 16 typedef struct Fcall { uchar type; u32int fid; ushort tag; u32int msize; /* Tversion, Rversion */ char *version; /* Tversion, Rversion */ ushort oldtag; /* Tflush */ char *ename; /* Rerror */ Qid qid; /* Rattach, Ropen, Rcreate */ u32int iounit; /* Ropen, Rcreate */ Qid aqid; /* Rauth */ u32int afid; /* Tauth, Tattach */ char *uname; /* Tauth, Tattach */ char *aname; /* Tauth, Tattach */ u32int perm; /* Tcreate */ char *name; /* Tcreate */ uchar mode; /* Tcreate, Topen */ u32int newfid; /* Twalk */ ushort nwname; /* Twalk */ char *wname[MAXWELEM]; /* Twalk */ ushort nwqid; /* Rwalk */ Qid wqid[MAXWELEM]; /* Rwalk */ vlong offset; /* Tread, Twrite */ u32int count; /* Tread, Twrite, Rread */ char *data; /* Twrite, Rread */ ushort nstat; /* Twstat, Rstat */ uchar *stat; /* Twstat, Rstat */ } Fcall; #define GBIT8(p) ((p)[0]) #define GBIT16(p) ((p)[0]|((p)[1]<<8)) #define GBIT32(p) ((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24)) #define GBIT64(p) ((vlong)((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24)) |\ ((vlong)((p)[4]|((p)[5]<<8)|((p)[6]<<16)|((p)[7]<<24)) << 32)) #define PBIT8(p,v) (p)[0]=(v) #define PBIT16(p,v) (p)[0]=(v);(p)[1]=(v)>>8 #define PBIT32(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24 #define PBIT64(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24;\ (p)[4]=(v)>>32;(p)[5]=(v)>>40;(p)[6]=(v)>>48;(p)[7]=(v)>>56 #define BIT8SZ 1 #define BIT16SZ 2 #define BIT32SZ 4 #define BIT64SZ 8 #define QIDSZ (BIT8SZ+BIT32SZ+BIT64SZ) /* STATFIXLEN includes leading 16-bit count */ /* The count, however, excludes itself; total size is BIT16SZ+count */ #define STATFIXLEN (BIT16SZ+QIDSZ+5*BIT16SZ+4*BIT32SZ+1*BIT64SZ) /* amount of fixed length data in a stat buffer */ #define NOTAG (ushort)~0U /* Dummy tag */ #define NOFID (u32int)~0U /* Dummy fid */ #define IOHDRSZ 24 /* ample room for Twrite/Rread header (iounit) */ enum { Tversion = 100, Rversion, Tauth = 102, Rauth, Tattach = 104, Rattach, Terror = 106, /* illegal */ Rerror, Tflush = 108, Rflush, Twalk = 110, Rwalk, Topen = 112, Ropen, Tcreate = 114, Rcreate, Tread = 116, Rread, Twrite = 118, Rwrite, Tclunk = 120, Rclunk, Tremove = 122, Rremove, Tstat = 124, Rstat, Twstat = 126, Rwstat, Tmax, }; uint convM2S(uchar*, uint, Fcall*); uint convS2M(Fcall*, uchar*, uint); uint sizeS2M(Fcall*); int statcheck(uchar *abuf, uint nbuf); uint convM2D(uchar*, uint, Dir*, char*); uint convD2M(Dir*, uchar*, uint); uint sizeD2M(Dir*); int fcallfmt(Fmt*); int dirfmt(Fmt*); int dirmodefmt(Fmt*); int read9pmsg(int, void*, uint);