Return to scsi.h CVS log

Up to [Research Unix] / researchv10dc / lsys / sys

Annotation of researchv10dc/lsys/sys/scsi.h, revision 1.1

1.1     ! root        1: #define        SCSICMD         10      /* max cmd size */
        !             2: #define        SCSIDATA        (4*1024)
        !             3: #define        SCSISTATUS      8       /* includes csr&per */
        !             4: #define        SCSITOHOST      0x10000
        !             5: 
        !             6: #define        OPEN    1               /* somebody has the device open */
        !             7: #define        USED    2               /* ever opened */
        !             8: #define        NEXTWR  4               /* next cmd must be write */
        !             9: #define        DONE    8               /* io done */
        !            10: #define        PEND    16              /* we expect an interrupt */
        !            11: 
        !            12: struct bag
        !            13: {
        !            14:        struct { short msg_len; short pad; struct mscmd msg; } cmd;
        !            15:        struct { short msg_len; short pad; struct msend msg; } rsp;
        !            16:        struct {
        !            17:                short ca_cmdint;
        !            18:                short ca_rspint;
        !            19:                long ca_rspdsc[1];
        !            20:                long ca_cmddsc[1];
        !            21:        } ca;
        !            22: };
        !            23: /*
        !            24:        US design
        !            25: */
        !            26: struct scsipkt
        !            27: {
        !            28:        long cmd;
        !            29:        long data;
        !            30:        long status;
        !            31:        long count;
        !            32:        short bus_id;
        !            33: };
        !            34: struct playpen
        !            35: {
        !            36:        struct scsipkt upkt;            /* must be first */
        !            37:        unsigned char cmd[SCSICMD];
        !            38:        unsigned char data[SCSIDATA];
        !            39:        unsigned char status[SCSISTATUS];
        !            40: };
        !            41: 
        !            42: struct scsi {
        !            43:        int flag;
        !            44:        struct udadevice *addr;
        !            45:        uaddr_t u1, u2;
        !            46:        ubm_t ub1, ub2;
        !            47:        struct buf *b1, *b2;
        !            48:        struct bag *junk;
        !            49:        unsigned char *data;
        !            50:        short sa;
        !            51:        char status[SCSISTATUS];
        !            52:        struct scsireg *reg;
        !            53:        struct playpen pp;
        !            54: };

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.