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rdreg.h revision 1.11
      1 /*	$NetBSD: rdreg.h,v 1.11 2004/04/19 12:44:10 wiz Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1982, 1990, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * the Systems Programming Group of the University of Utah Computer
      9  * Science Department.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  * from: Utah $Hdr: rdreg.h 1.2 90/10/12$
     36  *
     37  *	@(#)rdreg.h	8.1 (Berkeley) 6/10/93
     38  */
     39 /*
     40  * Copyright (c) 1988 University of Utah.
     41  *
     42  * This code is derived from software contributed to Berkeley by
     43  * the Systems Programming Group of the University of Utah Computer
     44  * Science Department.
     45  *
     46  * Redistribution and use in source and binary forms, with or without
     47  * modification, are permitted provided that the following conditions
     48  * are met:
     49  * 1. Redistributions of source code must retain the above copyright
     50  *    notice, this list of conditions and the following disclaimer.
     51  * 2. Redistributions in binary form must reproduce the above copyright
     52  *    notice, this list of conditions and the following disclaimer in the
     53  *    documentation and/or other materials provided with the distribution.
     54  * 3. All advertising materials mentioning features or use of this software
     55  *    must display the following acknowledgement:
     56  *	This product includes software developed by the University of
     57  *	California, Berkeley and its contributors.
     58  * 4. Neither the name of the University nor the names of its contributors
     59  *    may be used to endorse or promote products derived from this software
     60  *    without specific prior written permission.
     61  *
     62  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     63  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     64  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     65  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     66  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     67  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     68  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     69  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     70  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     71  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     72  * SUCH DAMAGE.
     73  *
     74  * from: Utah $Hdr: rdreg.h 1.2 90/10/12$
     75  *
     76  *	@(#)rdreg.h	8.1 (Berkeley) 6/10/93
     77  */
     78 
     79 struct	rd_iocmd {
     80 	char	c_pad;
     81 	char	c_unit;
     82 	char	c_volume;
     83 	char	c_saddr;
     84 	short	c_hiaddr;
     85 	long	c_addr;
     86 	char	c_nop2;
     87 	char	c_slen;
     88 	long	c_len;
     89 	char	c_cmd;
     90 	char	c_pad2;
     91 } __attribute__((__packed__));
     92 
     93 struct	rd_rscmd {
     94 	char	c_unit;
     95 	char	c_sram;
     96 	char	c_ram;
     97 	char	c_cmd;
     98 } __attribute__((__packed__));
     99 
    100 struct	rd_stat {
    101 	char	c_vu;
    102 	char	c_pend;
    103 	short	c_ref;
    104 	short	c_fef;
    105 	short	c_aef;
    106 	short	c_ief;
    107 	union {
    108 		char cu_raw[10];
    109 		struct {
    110 			short	cu_msw;
    111 			long	cu_lsl;
    112 		} cu_sva;
    113 		struct {
    114 			long	cu_cyhd;
    115 			short	cu_sect;
    116 		} cu_tva;
    117 	} c_pf;
    118 } __attribute__((__packed__));
    119 #define c_raw	c_pf.cu_raw
    120 #define c_blk	c_pf.cu_sva.cu_lsl	/* for now */
    121 #define c_tva	c_pf.cu_tva
    122 
    123 struct	rd_ssmcmd {
    124 	char	c_unit;
    125 	char	c_cmd;
    126 	short	c_refm;
    127 	short	c_fefm;
    128 	short	c_aefm;
    129 	short	c_iefm;
    130 } __attribute__((__packed__));
    131 
    132 struct	rd_srcmd {
    133 	char	c_unit;
    134 	char	c_nop;
    135 	char	c_cmd;
    136 	char	c_param;
    137 } __attribute__((__packed__));
    138 
    139 struct	rd_clearcmd {
    140 	char	c_unit;
    141 	char	c_cmd;
    142 } __attribute__((__packed__));
    143 
    144 struct rd_describe {
    145 	u_int	d_iuw:16,	/* controller: installed unit word */
    146 		d_cmaxxfr:16,	/* controller: max transfer rate (Kb) */
    147 		d_ctype:8,	/* controller: controller type */
    148 		d_utype:8,	/* unit: unit type */
    149 		d_name:24,	/* unit: name (6 BCD digits) */
    150 		d_sectsize:16,	/* unit: # of bytes per block (sector) */
    151 		d_blkbuf:8,	/* unit: # of blocks which can be buffered */
    152 		d_burstsize:8,	/* unit: recommended burst size */
    153 		d_blocktime:16,	/* unit: block time (u-sec) */
    154 		d_uavexfr:16,	/* unit: average transfer rate (Kb) */
    155 		d_retry:16,	/* unit: optimal retry time (1/100-sec) */
    156 		d_access:16,	/* unit: access time param (1/100-sec) */
    157 		d_maxint:8,	/* unit: maximum interleave */
    158 		d_fvbyte:8,	/* unit: fixed volume byte */
    159 		d_rvbyte:8,	/* unit: removable volume byte */
    160 		d_maxcyl:24,	/* volume: maximum cylinder */
    161 		d_maxhead:8,	/* volume: maximum head */
    162 		d_maxsect:16,	/* volume: maximum sector on track */
    163 		d_maxvsecth:16,	/* volume: maximum sector on volume (MSW) */
    164 		d_maxvsectl:32,	/* volume: maximum sector on volume (LSWs) */
    165 		d_interleave:8;	/* volume: current interleave */
    166 } __attribute__((__packed__));
    167 
    168 /* HW ids */
    169 #define	RD7946AID	0x220	/* also 7945A */
    170 #define	RD9134DID	0x221	/* also 9122S */
    171 #define	RD9134LID	0x222	/* also 9122D */
    172 #define	RD7912PID	0x209
    173 #define RD7914CTID	0x20A
    174 #define	RD7914PID	0x20B
    175 #define	RD7958AID	0x22B
    176 #define RD7957AID	0x22A
    177 #define	RD7933HID	0x212
    178 #define	RD7936HID	0x213	/* just guessing -- as of yet unknown */
    179 #define	RD7937HID	0x214
    180 #define RD7957BID	0x22C	/* another guess based on 7958B */
    181 #define RD7958BID	0x22D
    182 #define RD7959BID	0x22E	/* another guess based on 7958B */
    183 #define RD2200AID	0x22F
    184 #define RD2203AID	0x230	/* yet another guess */
    185 
    186 /* SW ids -- indicies into rdidentinfo, order is arbitrary */
    187 #define	RD7945A		0
    188 #define	RD9134D		1
    189 #define	RD9122S		2
    190 #define	RD7912P		3
    191 #define	RD7914P		4
    192 #define	RD7958A		5
    193 #define RD7957A		6
    194 #define	RD7933H		7
    195 #define	RD9134L		8
    196 #define	RD7936H		9
    197 #define	RD7937H		10
    198 #define RD7914CT	11
    199 #define RD7946A		12
    200 #define RD9122D		13
    201 #define RD7957B		14
    202 #define RD7958B		15
    203 #define RD7959B		16
    204 
    205 #define	NRD7945ABPT	16
    206 #define	NRD7945ATRK	7
    207 #define	NRD9134DBPT	16
    208 #define	NRD9134DTRK	6
    209 #define	NRD9122SBPT	8
    210 #define	NRD9122STRK	2
    211 #define	NRD7912PBPT	32
    212 #define	NRD7912PTRK	7
    213 #define	NRD7914PBPT	32
    214 #define	NRD7914PTRK	7
    215 #define	NRD7933HBPT	46
    216 #define	NRD7933HTRK	13
    217 #define	NRD9134LBPT	16
    218 #define	NRD9134LTRK	5
    219 
    220 /*
    221  * Several HP drives have an odd number of 256 byte sectors per track.
    222  * This makes it rather difficult to break them into 512 and 1024 byte blocks.
    223  * So...we just do like HPUX and don't bother to respect hardware track/head
    224  * boundries -- we just mold the disk so that we use the entire capacity.
    225  * HPUX also sometimes doesn't abide by cylinder boundries, we attempt to
    226  * whenever possible.
    227  *
    228  * DISK		REAL (256 BPS)		HPUX (1024 BPS)		BSD (512 BPS)
    229  * 		SPT x HD x CYL		SPT x HD x CYL		SPT x HD x CYL
    230  * -----	---------------		---------------		--------------
    231  * 7936:	123 x  7 x 1396		 25 x  7 x 1716		123 x  7 x  698
    232  * 7937:	123 x 13 x 1396		 25 x 16 x 1395		123 x 13 x  698
    233  *
    234  * 7957A:	 63 x  5 x 1013		 11 x  7 x 1036		 22 x  7 x 1036
    235  * 7958A:	 63 x  8 x 1013		 21 x  6 x 1013		 36 x  7 x 1013
    236  *
    237  * 7957B:	 63 x  4 x 1269		  9 x  7 x 1269		 18 x  7 x 1269
    238  * 7958B:	 63 x  6 x 1572		 21 x  9 x  786		 42 x  9 x  786
    239  * 7959B:	 63 x 12 x 1572		 21 x  9 x 1572		 42 x  9 x 1572
    240  *
    241  * 2200A:	113 x  8 x 1449		113 x  2 x 1449		113 x  4 x 1449
    242  * 2203A:	113 x 16 x 1449		113 x  4 x 1449		113 x  8 x 1449
    243  */
    244 #define	NRD7936HBPT	123
    245 #define	NRD7936HTRK	7
    246 #define	NRD7937HBPT	123
    247 #define	NRD7937HTRK	13
    248 #define	NRD7957ABPT	22
    249 #define	NRD7957ATRK	7
    250 #define	NRD7958ABPT	36
    251 #define	NRD7958ATRK	7
    252 #define	NRD7957BBPT	18
    253 #define	NRD7957BTRK	7
    254 #define	NRD7958BBPT	42
    255 #define	NRD7958BTRK	9
    256 #define	NRD7959BBPT	42
    257 #define	NRD7959BTRK	9
    258 #define	NRD2200ABPT	113
    259 #define	NRD2200ATRK	4
    260 #define	NRD2203ABPT	113
    261 #define	NRD2203ATRK	8
    262 
    263 /* controller "unit" number */
    264 #define	RDCTLR		15
    265 
    266 /* convert 512 byte count into DEV_BSIZE count */
    267 #define RDSZ(x)		((x) >> (DEV_BSHIFT-9))
    268 
    269 /* convert block number into sector number and back */
    270 #define	RDBTOS(x)	((x) << (DEV_BSHIFT-8))
    271 #define RDSTOB(x)	((x) >> (DEV_BSHIFT-8))
    272 
    273 /* extract cyl/head/sect info from three-vector address */
    274 #define RDCYL(tva)	((u_long)(tva).cu_cyhd >> 8)
    275 #define RDHEAD(tva)	((tva).cu_cyhd & 0xFF)
    276 #define RDSECT(tva)	((tva).cu_sect)
    277 
    278 #define	REF_MASK	0x0
    279 #define	FEF_MASK	0x0
    280 #define	AEF_MASK	0x0
    281 #define	IEF_MASK	0xF970
    282 
    283 #define FEF_CU		0x4000	/* cross-unit */
    284 #define FEF_DR		0x0080	/* diagnostic result */
    285 #define FEF_IMR		0x0008	/* internal maintenance release */
    286 #define	FEF_PF		0x0002	/* power fail */
    287 #define	FEF_REXMT	0x0001	/* retransmit */
    288 #define AEF_UD		0x0040	/* unrecoverable data */
    289 #define IEF_RRMASK	0xe000	/* request release bits */
    290 #define IEF_MD		0x0020	/* marginal data */
    291 #define IEF_RD		0x0010	/* recoverable data */
    292 
    293 #define	C_READ		0x00
    294 #define	C_RAM		0x00	/* single vector (i.e. sector number) */
    295 #define	C_WRITE		0x02
    296 #define	C_CLEAR		0x08
    297 #define	C_STATUS	0x0d
    298 #define	C_SADDR		0x10
    299 #define	C_SLEN		0x18
    300 #define	C_SUNIT(x)	(0x20 | (x))
    301 #define C_SVOL(x)	(0x40 | (x))
    302 #define	C_NOP		0x34
    303 #define C_DESC		0x35
    304 #define	C_SREL		0x3b
    305 #define	C_SSM		0x3e
    306 #define	C_SRAM		0x48
    307 #define C_REL		0xc0
    308 
    309 #define	C_CMD		0x05
    310 #define	C_EXEC		0x0e
    311 #define	C_QSTAT		0x10
    312 #define	C_TCMD		0x12
    313