/* * data structures associated with nexus devices; * sbi and vaxbi */ #define NXSIZE 0x2000 /* size of nexus register space */ #define NXWSIZE 01000000 /* size of nexus window space */ struct nexus { char nx[NXSIZE]; char wind[NXWSIZE]; }; struct nextab { /* table of configured nexus */ char bus; /* which group of nexus, if more than one */ char adp; /* which nexus within group */ }; #ifdef KERNEL extern struct nextab nextab[]; /* list of nexus configured */ #endif