1 /* $NetBSD: mbareg.h,v 1.6 2017/05/22 17:13:09 ragge Exp $ */ 2 /* 3 * Copyright (c) 1994 Ludd, University of Lule}, Sweden 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifdef notdef 28 struct mba_hack { 29 u_int pad1; 30 u_int md_ds; /* unit status */ 31 u_int pad4[2]; 32 u_int md_as; /* Attention summary */ 33 u_int pad2; 34 u_int md_dt; /* unit type */ 35 u_int pad3[25]; 36 }; 37 38 struct mba_regs { 39 u_int mba_csr; 40 u_int mba_cr; 41 u_int mba_sr; 42 u_int mba_var; 43 u_int mba_bc; 44 u_int mba_dr; 45 u_int mba_smr; 46 u_int mba_car; 47 u_int utrymme[248]; 48 struct mba_hack mba_md[8]; /* unit specific regs */ 49 struct pte mba_map[256]; 50 }; 51 #endif 52 53 #define MBA_CSR 0 54 #define MBA_CR 4 55 #define MBA_SR 8 56 #define MBA_VAR 12 57 #define MBA_BC 16 58 #define MBA_DR 20 59 #define MBA_SMR 24 60 #define MBA_CAR 28 61 62 #define MUREG(dev,reg) (1024+(dev)*128+(reg)) 63 #define MAPREG(nr) (2048+(nr)*4) 64 65 #define MU_DS 4 /* unit status */ 66 #define MU_AS 16 /* attention summary */ 67 #define MU_DT 24 /* drive type */ 68 69 /* 70 * Different states which can be on massbus. 71 */ 72 /* Write to mba_cr */ 73 #define MBACR_IBC 0x10 74 #define MBACR_MMM 0x8 75 #define MBACR_IE 0x4 76 #define MBACR_ABORT 0x2 77 #define MBACR_INIT 0x1 78 79 /* Read from mba_sr: */ 80 #define MBASR_DTBUSY 0x80000000 81 #define MBASR_NRCONF 0x40000000 82 #define MBASR_CRD 0x20000000 83 #define MBASR_CBHUNG 0x800000 84 #define MBASR_PGE 0x80000 85 #define MBASR_NED 0x40000 /* NonExistent Drive */ 86 #define MBASR_MCPE 0x20000 /* Massbuss Control Parity Error */ 87 #define MBASR_ATTN 0x10000 /* Attention from Massbus */ 88 #define MBASR_SPE 0x4000 /* Silo Parity Error */ 89 #define MBASR_DTCMP 0x2000 /* Data Transfer CoMPleted */ 90 #define MBASR_DTABT 0x1000 /* Data Transfer ABorTed */ 91 #define MBASR_DLT 0x800 /* Data LaTe */ 92 #define MBASR_WCKUE 0x400 /* Write check upper error */ 93 #define MBASR_WCKLE 0x200 /* Write check lower error */ 94 #define MBASR_MXF 0x100 /* Miss transfer fault */ 95 #define MBASR_MBEXC 0x80 /* Massbuss exception */ 96 #define MBASR_MDPE 0x40 /* Massbuss data parity error */ 97 #define MBASR_MAPPE 0x20 /* Page frame map parity error */ 98 #define MBASR_INVMAP 0x10 /* Invalid map */ 99 #define MBASR_ERR_STAT 0x8 /* Error status */ 100 #define MBASR_ERRC 0x4 /* Error confirmation */ 101 #define MBASR_ISTIMO 0x2 /* Interface sequence timeout */ 102 #define MBASR_RDTIMO 0x1 /* Read data timeout status */ 103 104 /* Definitions in mba_device md_ds */ 105 #define MBADS_DPR 0x100 /* Unit present */ 106 107 /* Definitions in mba_device md_dt */ 108 #define MBADT_RP04 0x2010 109 #define MBADT_RP05 0x2011 110 #define MBADT_RP06 0x2012 111 #define MBADT_RP07 0x2022 112 #define MBADT_RM02 0x2015 113 #define MBADT_RM03 0x2014 114 #define MBADT_RM05 0x2017 115 #define MBADT_RM80 0x2016 116 #define MBADT_DRQ 0x800 /* Dual ported */ 117 #define MBADT_MOH 0x2000 /* Moving head device */ 118