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Annotation of researchv10dc/lsys/sys/uba.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * data structures for the unibus adapter code
                      3:  */
                      4: 
                      5: #define        UBNMAP  100
                      6: 
                      7: struct uba {
                      8:        short flags;
                      9:        short path;             /* data paths available */
                     10:        struct ubadev *addr;    /* our registers and address window */
                     11:        ubm_t *sbmap;           /* stream block maps, per buffer */
                     12:        uaddr_t *sbaddr;        /* and unibus addresses */
                     13:        ubm_t shmap;            /* stream block header map */
                     14:        uaddr_t shaddr;         /* stream block header unibus address */
                     15:        struct map map[UBNMAP];
                     16: };
                     17: 
                     18: /*
                     19:  * flags
                     20:  */
                     21: 
                     22: #define        UBINIT  01      /* this adapter has been set up */
                     23: #define        UBMWANT 02      /* map needed */

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