usr/src/sys/vax/mba/mbareg.h

/*      mbareg.h        4.2     %G%     */

#if VAX==780
/*
 * VAX Massbus adapter registers
 */

struct mba_regs
{
        int     mba_csr;
        int     mba_cr;
        int     mba_sr;
        int     mba_var;
        int     mba_bcr;
        int     mba_dr;
        int     mba_pad1[250];
        int     mba_erb[8][32];         /* external register base */
        struct  pte mba_map[256];
};

#define MBAINIT         0x1
#define MBAIE           0x4

#define MBAEBITS        0xe0770

#define PHYSMBA0        ((struct mba_regs *)0x20010000)
#define PHYSMBA1        ((struct mba_regs *)0x20012000)

#define mbadev(mba,unit)        ((struct device *)mba->mba_erb[unit])

#ifdef KERNEL
struct mba_info
{
        struct  mba_regs *mi_loc;       /* virtual mba */
        struct  mba_regs *mi_phys;      /* physical mba */
        struct  pte *mi_map;            /* page table base for nexus */
};

#define MBA0            ((struct mba_regs *)0x80064000)
#define MBA1            ((struct mba_regs *)0x80066000)

int     mbanum[];
struct  mba_info mbainfo[];
int     mbaact;
#endif
#endif