1 /* $NetBSD: mbareg.h,v 1.4 2000/06/04 18:04:39 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 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed at Ludd, University of Lule}. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifdef notdef 33 struct mba_hack { 34 u_int pad1; 35 u_int md_ds; /* unit status */ 36 u_int pad4[2]; 37 u_int md_as; /* Attention summary */ 38 u_int pad2; 39 u_int md_dt; /* unit type */ 40 u_int pad3[25]; 41 }; 42 43 struct mba_regs { 44 u_int mba_csr; 45 u_int mba_cr; 46 u_int mba_sr; 47 u_int mba_var; 48 u_int mba_bc; 49 u_int mba_dr; 50 u_int mba_smr; 51 u_int mba_car; 52 u_int utrymme[248]; 53 struct mba_hack mba_md[8]; /* unit specific regs */ 54 struct pte mba_map[256]; 55 }; 56 #endif 57 58 #define MBA_CSR 0 59 #define MBA_CR 4 60 #define MBA_SR 8 61 #define MBA_VAR 12 62 #define MBA_BC 16 63 #define MBA_DR 20 64 #define MBA_SMR 24 65 #define MBA_CAR 28 66 67 #define MUREG(dev,reg) (1024+(dev)*128+(reg)) 68 #define MAPREG(nr) (2048+(nr)*4) 69 70 #define MU_DS 4 /* unit status */ 71 #define MU_AS 16 /* attention summary */ 72 #define MU_DT 24 /* drive type */ 73 74 /* 75 * Different states which can be on massbus. 76 */ 77 /* Write to mba_cr */ 78 #define MBACR_IBC 0x10 79 #define MBACR_MMM 0x8 80 #define MBACR_IE 0x4 81 #define MBACR_ABORT 0x2 82 #define MBACR_INIT 0x1 83 84 /* Read from mba_sr: */ 85 #define MBASR_DTBUSY 0x80000000 86 #define MBASR_NRCONF 0x40000000 87 #define MBASR_CRD 0x20000000 88 #define MBASR_CBHUNG 0x800000 89 #define MBASR_PGE 0x80000 90 #define MBASR_NED 0x40000 /* NonExistent Drive */ 91 #define MBASR_MCPE 0x20000 /* Massbuss Control Parity Error */ 92 #define MBASR_ATTN 0x10000 /* Attention from Massbus */ 93 #define MBASR_SPE 0x4000 /* Silo Parity Error */ 94 #define MBASR_DTCMP 0x2000 /* Data Transfer CoMPleted */ 95 #define MBASR_DTABT 0x1000 /* Data Transfer ABorTed */ 96 #define MBASR_DLT 0x800 /* Data LaTe */ 97 #define MBASR_WCKUE 0x400 /* Write check upper error */ 98 #define MBASR_WCKLE 0x200 /* Write check lower error */ 99 #define MBASR_MXF 0x100 /* Miss transfer fault */ 100 #define MBASR_MBEXC 0x80 /* Massbuss exception */ 101 #define MBASR_MDPE 0x40 /* Massbuss data parity error */ 102 #define MBASR_MAPPE 0x20 /* Page frame map parity error */ 103 #define MBASR_INVMAP 0x10 /* Invalid map */ 104 #define MBASR_ERR_STAT 0x8 /* Error status */ 105 #define MBASR_ERRC 0x4 /* Error confirmation */ 106 #define MBASR_ISTIMO 0x2 /* Interface sequence timeout */ 107 #define MBASR_RDTIMO 0x1 /* Read data timeout status */ 108 109 /* Definitions in mba_device md_ds */ 110 #define MBADS_DPR 0x100 /* Unit present */ 111 112 /* Definitions in mba_device md_dt */ 113 #define MBADT_RP04 0x10 114 #define MBADT_RP05 0x11 115 #define MBADT_RP06 0x12 116 #define MBADT_RP07 0x22 117 #define MBADT_RM02 0x15 118 #define MBADT_RM03 0x14 119 #define MBADT_RM05 0x17 120 #define MBADT_RM80 0x16 121 #define MBADT_DRQ 0x800 /* Dual ported */ 122 #define MBADT_MOH 0x2000 /* Moving head device */ 123