1 /* 2 * Copyright (c) 1982, 1986, 1988 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)savax.h 7.5 (Berkeley) 07/09/88 7 */ 8 9 /* 10 * Standalone definitions peculiar to vaxen: 11 * 12 * The mba devices in the standalone system are addressed as 13 * type(mba, 0, drive, partition) (disks) 14 * type(mba, formatter, transport, file) (tapes) 15 * 16 * The mbadrv macro gives the address of the device registers 17 * for the specified unit. 18 * 19 * The uba devices in the standalone system are addressed as 20 * type(uba, ctlr, drive, partition) (disks) 21 * type(uba, formatter, transport, file) (tapes) 22 * 23 * The ubamem macro converts a specified unibus address (ala pdp-11) 24 * into a unibus memory address space address. 25 */ 26 27 #define mbadrv(mba, unit) (&mbamba(mba)->mba_drv[unit]) 28 /* compute an I/O page physical address from a 16/18/22-bit bus address */ 29 #define ubamem(uba, off) (uioaddr[uba] + ubdevreg(off)) 30 31 #define mbamba(mba) (mbaddr[mba]) 32 #define ubauba(uba) (ubaddr[uba]) 33 34 #define MAXNMBA 8 35 #define MAXNUBA 8 36 #define MAXNKDB 2 37 38 struct mba_regs **mbaddr; 39 int mbaact; 40 int nmba; 41 42 caddr_t *uioaddr; 43 struct uba_regs **ubaddr; 44 int nuba; 45 46 #ifdef VAX8200 47 caddr_t kdbaddr[MAXNKDB]; 48 int nkdb; 49 #endif 50 51 int cpu; /* see ../vax/cpu.h */ 52