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Annotation of Net2/scsi/stdefs.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  *     stdefs.h,v 1.3 1993/05/20 03:46:55 cgd Exp
                      3:  */
                      4: 
                      5: #define STQSIZE                4
                      6: struct st_data {
                      7:        struct scsi_switch *sc_sw;      /* address of scsi low level switch */
                      8:        int flags;
                      9:        int ctlr;                       /* so they know which one we want */
                     10:        int targ;                       /* our scsi target ID */
                     11:        int lu;                         /* our scsi lu */
                     12:        int blkmin;                     /* min blk size */
                     13:        int blkmax;                     /* max blk size */
                     14:        int numblks;                    /* nominal blocks capacity */
                     15:        int blksiz;                     /* nominal block size */
                     16:        int info_valid;                 /* the info about the device is valid */
                     17:        int initialized;
                     18:        struct buf buf[STQSIZE];        /* buffer for raw io (one per device) */
                     19:        struct buf buf_queue;
                     20:        struct scsi_xfer scsi_xfer;
                     21:        int blockwait;
                     22: };
                     23: #define ST_OPEN                0x01
                     24: #define        ST_NOREWIND     0x02
                     25: #define        ST_WRITTEN      0x04
                     26: #define        ST_FIXEDBLOCKS  0x10
                     27: #define        ST_AT_FILEMARK  0x20
                     28: #define        ST_AT_EOM       0x40
                     29: 
                     30: #define        ST_PER_ACTION   (ST_AT_FILEMARK | ST_AT_EOM)
                     31: #define        ST_PER_OPEN     (ST_OPEN | ST_NOREWIND | ST_WRITTEN | ST_PER_ACTION)
                     32: #define        ST_PER_MEDIA    ST_FIXEDBLOCKS
                     33: 
                     34: int stattach(int, struct scsi_switch *, int, int *);
                     35: int stopen(dev_t);
                     36: int stclose(dev_t);
                     37: void stminphys(struct buf *);
                     38: int ststrategy(struct buf *);
                     39: int ststart(int);
                     40: int st_done(int, struct scsi_xfer *);
                     41: int stioctl(dev_t, int, caddr_t, int);
                     42: int st_req_sense(int, int);
                     43: int st_test_ready(int, int);
                     44: int st_rd_blk_lim(int, int);
                     45: int st_mode_sense(int, int);
                     46: int st_mode_select(int, int, int);
                     47: int st_space(int, int, int, int);
                     48: int st_write_filemarks(int, int, int);
                     49: int st_load(int, int, int);
                     50: int st_prevent(int, int, int);
                     51: int st_rewind(int, int, int);
                     52: int st_scsi_cmd(int, struct scsi_generic *, int, u_char *, int, int, int);
                     53: int st_interpret_sense(int, struct scsi_xfer *);
                     54: int stsize(dev_t);
                     55: int stdump(void);
                     56: 

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