Annotation of sys/arch/hp300/dev/hdreg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: hdreg.h,v 1.6 2007/05/25 20:32:29 krw Exp $ */
! 2: /* $NetBSD: rdreg.h,v 1.7 1996/02/09 18:00:37 scottr Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1988 University of Utah.
! 6: * Copyright (c) 1982, 1990, 1993
! 7: * The Regents of the University of California. All rights reserved.
! 8: *
! 9: * This code is derived from software contributed to Berkeley by
! 10: * the Systems Programming Group of the University of Utah Computer
! 11: * Science Department.
! 12: *
! 13: * Redistribution and use in source and binary forms, with or without
! 14: * modification, are permitted provided that the following conditions
! 15: * are met:
! 16: * 1. Redistributions of source code must retain the above copyright
! 17: * notice, this list of conditions and the following disclaimer.
! 18: * 2. Redistributions in binary form must reproduce the above copyright
! 19: * notice, this list of conditions and the following disclaimer in the
! 20: * documentation and/or other materials provided with the distribution.
! 21: * 3. Neither the name of the University nor the names of its contributors
! 22: * may be used to endorse or promote products derived from this software
! 23: * without specific prior written permission.
! 24: *
! 25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 35: * SUCH DAMAGE.
! 36: *
! 37: * from: Utah $Hdr: rdreg.h 1.2 90/10/12$
! 38: *
! 39: * @(#)rdreg.h 8.1 (Berkeley) 6/10/93
! 40: */
! 41:
! 42: struct hd_iocmd {
! 43: char c_pad;
! 44: char c_unit;
! 45: char c_volume;
! 46: char c_saddr;
! 47: short c_hiaddr;
! 48: long c_addr;
! 49: char c_nop2;
! 50: char c_slen;
! 51: long c_len;
! 52: char c_cmd;
! 53: char c_pad2;
! 54: };
! 55:
! 56: struct hd_rscmd {
! 57: char c_unit;
! 58: char c_sram;
! 59: char c_ram;
! 60: char c_cmd;
! 61: };
! 62:
! 63: struct hd_stat {
! 64: char c_vu;
! 65: char c_pend;
! 66: short c_ref;
! 67: short c_fef;
! 68: short c_aef;
! 69: short c_ief;
! 70: union {
! 71: char cu_raw[10];
! 72: struct {
! 73: short cu_msw;
! 74: long cu_lsl;
! 75: } cu_sva;
! 76: struct {
! 77: long cu_cyhd;
! 78: short cu_sect;
! 79: } cu_tva;
! 80: } c_pf;
! 81: };
! 82: #define c_raw c_pf.cu_raw
! 83: #define c_blk c_pf.cu_sva.cu_lsl /* for now */
! 84: #define c_tva c_pf.cu_tva
! 85:
! 86: struct hd_ssmcmd {
! 87: char c_unit;
! 88: char c_cmd;
! 89: short c_refm;
! 90: short c_fefm;
! 91: short c_aefm;
! 92: short c_iefm;
! 93: };
! 94:
! 95: struct hd_srcmd {
! 96: char c_unit;
! 97: char c_nop;
! 98: char c_cmd;
! 99: char c_param;
! 100: };
! 101:
! 102: struct hd_clearcmd {
! 103: char c_unit;
! 104: char c_cmd;
! 105: };
! 106:
! 107: /* HW ids */
! 108: #define HD7946AID 0x220 /* also 7945A */
! 109: #define HD9134DID 0x221 /* also 9122S */
! 110: #define HD9134LID 0x222 /* also 9122D */
! 111: #define HD7912PID 0x209
! 112: #define HD7914CTID 0x20A
! 113: #define HD7914PID 0x20B
! 114: #define HD7958AID 0x22B
! 115: #define HD7957AID 0x22A
! 116: #define HD7933HID 0x212
! 117: #define HD7936HID 0x213 /* just guessing -- as of yet unknown */
! 118: #define HD7937HID 0x214
! 119: #define HD7957BID 0x22C /* another guess based on 7958B */
! 120: #define HD7958BID 0x22D
! 121: #define HD7959BID 0x22E /* another guess based on 7958B */
! 122: #define HD2200AID 0x22F
! 123: #define HD2203AID 0x230 /* yet another guess */
! 124:
! 125: /* SW ids -- indices into hdidentinfo, order is arbitrary */
! 126: #define HD7945A 0
! 127: #define HD9134D 1
! 128: #define HD9122S 2
! 129: #define HD7912P 3
! 130: #define HD7914P 4
! 131: #define HD7958A 5
! 132: #define HD7957A 6
! 133: #define HD7933H 7
! 134: #define HD9134L 8
! 135: #define HD7936H 9
! 136: #define HD7937H 10
! 137: #define HD7914CT 11
! 138: #define HD7946A 12
! 139: #define HD9122D 13
! 140: #define HD7957B 14
! 141: #define HD7958B 15
! 142: #define HD7959B 16
! 143:
! 144: #define NHD7945ABPT 16
! 145: #define NHD7945ATRK 7
! 146: #define NHD9134DBPT 16
! 147: #define NHD9134DTRK 6
! 148: #define NHD9122SBPT 8
! 149: #define NHD9122STRK 2
! 150: #define NHD7912PBPT 32
! 151: #define NHD7912PTRK 7
! 152: #define NHD7914PBPT 32
! 153: #define NHD7914PTRK 7
! 154: #define NHD7933HBPT 46
! 155: #define NHD7933HTRK 13
! 156: #define NHD9134LBPT 16
! 157: #define NHD9134LTRK 5
! 158:
! 159: /*
! 160: * Several HP drives have an odd number of 256 byte sectors per track.
! 161: * This makes it rather difficult to break them into 512 and 1024 byte blocks.
! 162: * So...we just do like HPUX and don't bother to respect hardware track/head
! 163: * boundaries -- we just mold the disk so that we use the entire capacity.
! 164: * HPUX also sometimes doen't abide by cylinder boundaries, we attempt to
! 165: * whenever possible.
! 166: *
! 167: * DISK REAL (256 BPS) HPUX (1024 BPS) BSD (512 BPS)
! 168: * SPT x HD x CYL SPT x HD x CYL SPT x HD x CYL
! 169: * ----- --------------- --------------- --------------
! 170: * 7936: 123 x 7 x 1396 25 x 7 x 1716 123 x 7 x 698
! 171: * 7937: 123 x 13 x 1396 25 x 16 x 1395 123 x 13 x 698
! 172: *
! 173: * 7957A: 63 x 5 x 1013 11 x 7 x 1036 22 x 7 x 1036
! 174: * 7958A: 63 x 8 x 1013 21 x 6 x 1013 36 x 7 x 1013
! 175: *
! 176: * 7957B: 63 x 4 x 1269 9 x 7 x 1269 18 x 7 x 1269
! 177: * 7958B: 63 x 6 x 1572 21 x 9 x 786 42 x 9 x 786
! 178: * 7959B: 63 x 12 x 1572 21 x 9 x 1572 42 x 9 x 1572
! 179: *
! 180: * 2200A: 113 x 8 x 1449 113 x 2 x 1449 113 x 4 x 1449
! 181: * 2203A: 113 x 16 x 1449 113 x 4 x 1449 113 x 8 x 1449
! 182: */
! 183: #define NHD7936HBPT 123
! 184: #define NHD7936HTRK 7
! 185: #define NHD7937HBPT 123
! 186: #define NHD7937HTRK 13
! 187: #define NHD7957ABPT 22
! 188: #define NHD7957ATRK 7
! 189: #define NHD7958ABPT 36
! 190: #define NHD7958ATRK 7
! 191: #define NHD7957BBPT 18
! 192: #define NHD7957BTRK 7
! 193: #define NHD7958BBPT 42
! 194: #define NHD7958BTRK 9
! 195: #define NHD7959BBPT 42
! 196: #define NHD7959BTRK 9
! 197: #define NHD2200ABPT 113
! 198: #define NHD2200ATRK 4
! 199: #define NHD2203ABPT 113
! 200: #define NHD2203ATRK 8
! 201:
! 202: /* controller "unit" number */
! 203: #define HDCTLR 15
! 204:
! 205: /* convert 512 byte count into DEV_BSIZE count */
! 206: #define HDSZ(x) ((x) >> (DEV_BSHIFT-9))
! 207:
! 208: /* convert block number into sector number and back */
! 209: #define HDBTOS(x) ((x) << (DEV_BSHIFT-8))
! 210: #define HDSTOB(x) ((x) >> (DEV_BSHIFT-8))
! 211:
! 212: /* extract cyl/head/sect info from three-vector address */
! 213: #define HDCYL(tva) ((u_long)(tva).cu_cyhd >> 8)
! 214: #define HDHEAD(tva) ((tva).cu_cyhd & 0xFF)
! 215: #define HDSECT(tva) ((tva).cu_sect)
! 216:
! 217: #define REF_MASK 0x0
! 218: #define FEF_MASK 0x0
! 219: #define AEF_MASK 0x0
! 220: #define IEF_MASK 0xF970
! 221:
! 222: #define FEF_CU 0x4000 /* cross-unit */
! 223: #define FEF_DR 0x0080 /* diagnostic result */
! 224: #define FEF_IMR 0x0008 /* internal maintenance release */
! 225: #define FEF_PF 0x0002 /* power fail */
! 226: #define FEF_REXMT 0x0001 /* retransmit */
! 227: #define AEF_UD 0x0040 /* unrecoverable data */
! 228: #define IEF_RRMASK 0xe000 /* request release bits */
! 229: #define IEF_MD 0x0020 /* marginal data */
! 230: #define IEF_RD 0x0010 /* recoverable data */
! 231:
! 232: #define C_READ 0x00
! 233: #define C_RAM 0x00 /* single vector (i.e. sector number) */
! 234: #define C_WRITE 0x02
! 235: #define C_CLEAR 0x08
! 236: #define C_STATUS 0x0d
! 237: #define C_SADDR 0x10
! 238: #define C_SLEN 0x18
! 239: #define C_SUNIT(x) (0x20 | (x))
! 240: #define C_SVOL(x) (0x40 | (x))
! 241: #define C_NOP 0x34
! 242: #define C_DESC 0x35
! 243: #define C_SREL 0x3b
! 244: #define C_SSM 0x3e
! 245: #define C_SRAM 0x48
! 246: #define C_REL 0xc0
! 247:
! 248: #define C_CMD 0x05
! 249: #define C_EXEC 0x0e
! 250: #define C_QSTAT 0x10
! 251: #define C_TCMD 0x12
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