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Annotation of researchv8dc/sys/h/channel.h, revision 1.1

1.1     ! root        1: #ifndef NUMLCH
        !             2: #define NUMLCH 32
        !             3: #define MAXMUX 32
        !             4: #endif
        !             5: 
        !             6: struct chdat {
        !             7:        int lmachno;    /* source "machine number" */
        !             8:        int machno;     /* remote machine number */
        !             9:        int flags;
        !            10:        int lchnum;     /* source logical channel number */
        !            11:        int dlchnum;    /* destination logical channel number */
        !            12:        int pdid;       /* physical destination did for dest another host */
        !            13:        int snunit;     /* specifies which snet this channel goes on */
        !            14:        int ckticks;
        !            15:        short xchan;
        !            16:        struct chdat *link;
        !            17:        struct bufinfo {
        !            18:                short *buf;
        !            19:                int len;
        !            20:                int done;
        !            21:        } input, output;
        !            22: } ;
        !            23: 
        !            24: /* used by NIOCHSTATUS ioctl call */
        !            25: struct chinfo {
        !            26:        int numlch;
        !            27:        struct chdat *chanaddr;
        !            28: };
        !            29: 
        !            30: /* flags */
        !            31: #define SENTRDY        0x01    /* we have sent an RDY */
        !            32: #define SENTRNR        0x02    /* we have sent an RNR */
        !            33: #define SENTDATA       0x04    /* we have sent a DATA */
        !            34: #define MULTIPLEX      0x08    /* this channel is multiplexed */
        !            35: #define RETRY  0x10    /* timeout - resend message */

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