Home | History | Annotate | Line # | Download | only in dev
rdreg.h revision 1.9
      1 /*	$NetBSD: rdreg.h,v 1.9 2002/02/11 11:19:28 wiz Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1988 University of Utah.
      5  * Copyright (c) 1982, 1990, 1993
      6  *	The Regents of the University of California.  All rights reserved.
      7  *
      8  * This code is derived from software contributed to Berkeley by
      9  * the Systems Programming Group of the University of Utah Computer
     10  * Science Department.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *	This product includes software developed by the University of
     23  *	California, Berkeley and its contributors.
     24  * 4. Neither the name of the University nor the names of its contributors
     25  *    may be used to endorse or promote products derived from this software
     26  *    without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     38  * SUCH DAMAGE.
     39  *
     40  * from: Utah $Hdr: rdreg.h 1.2 90/10/12$
     41  *
     42  *	@(#)rdreg.h	8.1 (Berkeley) 6/10/93
     43  */
     44 
     45 struct	rd_iocmd {
     46 	char	c_pad;
     47 	char	c_unit;
     48 	char	c_volume;
     49 	char	c_saddr;
     50 	short	c_hiaddr;
     51 	long	c_addr;
     52 	char	c_nop2;
     53 	char	c_slen;
     54 	long	c_len;
     55 	char	c_cmd;
     56 	char	c_pad2;
     57 } __attribute__((__packed__));
     58 
     59 struct	rd_rscmd {
     60 	char	c_unit;
     61 	char	c_sram;
     62 	char	c_ram;
     63 	char	c_cmd;
     64 } __attribute__((__packed__));
     65 
     66 struct	rd_stat {
     67 	char	c_vu;
     68 	char	c_pend;
     69 	short	c_ref;
     70 	short	c_fef;
     71 	short	c_aef;
     72 	short	c_ief;
     73 	union {
     74 		char cu_raw[10];
     75 		struct {
     76 			short	cu_msw;
     77 			long	cu_lsl;
     78 		} cu_sva;
     79 		struct {
     80 			long	cu_cyhd;
     81 			short	cu_sect;
     82 		} cu_tva;
     83 	} c_pf;
     84 } __attribute__((__packed__));
     85 #define c_raw	c_pf.cu_raw
     86 #define c_blk	c_pf.cu_sva.cu_lsl	/* for now */
     87 #define c_tva	c_pf.cu_tva
     88 
     89 struct	rd_ssmcmd {
     90 	char	c_unit;
     91 	char	c_cmd;
     92 	short	c_refm;
     93 	short	c_fefm;
     94 	short	c_aefm;
     95 	short	c_iefm;
     96 } __attribute__((__packed__));
     97 
     98 struct	rd_srcmd {
     99 	char	c_unit;
    100 	char	c_nop;
    101 	char	c_cmd;
    102 	char	c_param;
    103 } __attribute__((__packed__));
    104 
    105 struct	rd_clearcmd {
    106 	char	c_unit;
    107 	char	c_cmd;
    108 } __attribute__((__packed__));
    109 
    110 struct rd_describe {
    111 	u_int	d_iuw:16,	/* controller: installed unit word */
    112 		d_cmaxxfr:16,	/* controller: max transfer rate (Kb) */
    113 		d_ctype:8,	/* controller: controller type */
    114 		d_utype:8,	/* unit: unit type */
    115 		d_name:24,	/* unit: name (6 BCD digits) */
    116 		d_sectsize:16,	/* unit: # of bytes per block (sector) */
    117 		d_blkbuf:8,	/* unit: # of blocks which can be buffered */
    118 		d_burstsize:8,	/* unit: recommended burst size */
    119 		d_blocktime:16,	/* unit: block time (u-sec) */
    120 		d_uavexfr:16,	/* unit: average transfer rate (Kb) */
    121 		d_retry:16,	/* unit: optimal retry time (1/100-sec) */
    122 		d_access:16,	/* unit: access time param (1/100-sec) */
    123 		d_maxint:8,	/* unit: maximum interleave */
    124 		d_fvbyte:8,	/* unit: fixed volume byte */
    125 		d_rvbyte:8,	/* unit: removeable volume byte */
    126 		d_maxcyl:24,	/* volume: maximum cylinder */
    127 		d_maxhead:8,	/* volume: maximum head */
    128 		d_maxsect:16,	/* volume: maximum sector on track */
    129 		d_maxvsecth:16,	/* volume: maximum sector on volume (MSW) */
    130 		d_maxvsectl:32,	/* volume: maximum sector on volume (LSWs) */
    131 		d_interleave:8;	/* volume: current interleave */
    132 } __attribute__((__packed__));
    133 
    134 /* HW ids */
    135 #define	RD7946AID	0x220	/* also 7945A */
    136 #define	RD9134DID	0x221	/* also 9122S */
    137 #define	RD9134LID	0x222	/* also 9122D */
    138 #define	RD7912PID	0x209
    139 #define RD7914CTID	0x20A
    140 #define	RD7914PID	0x20B
    141 #define	RD7958AID	0x22B
    142 #define RD7957AID	0x22A
    143 #define	RD7933HID	0x212
    144 #define	RD7936HID	0x213	/* just guessing -- as of yet unknown */
    145 #define	RD7937HID	0x214
    146 #define RD7957BID	0x22C	/* another guess based on 7958B */
    147 #define RD7958BID	0x22D
    148 #define RD7959BID	0x22E	/* another guess based on 7958B */
    149 #define RD2200AID	0x22F
    150 #define RD2203AID	0x230	/* yet another guess */
    151 
    152 /* SW ids -- indicies into rdidentinfo, order is arbitrary */
    153 #define	RD7945A		0
    154 #define	RD9134D		1
    155 #define	RD9122S		2
    156 #define	RD7912P		3
    157 #define	RD7914P		4
    158 #define	RD7958A		5
    159 #define RD7957A		6
    160 #define	RD7933H		7
    161 #define	RD9134L		8
    162 #define	RD7936H		9
    163 #define	RD7937H		10
    164 #define RD7914CT	11
    165 #define RD7946A		12
    166 #define RD9122D		13
    167 #define RD7957B		14
    168 #define RD7958B		15
    169 #define RD7959B		16
    170 
    171 #define	NRD7945ABPT	16
    172 #define	NRD7945ATRK	7
    173 #define	NRD9134DBPT	16
    174 #define	NRD9134DTRK	6
    175 #define	NRD9122SBPT	8
    176 #define	NRD9122STRK	2
    177 #define	NRD7912PBPT	32
    178 #define	NRD7912PTRK	7
    179 #define	NRD7914PBPT	32
    180 #define	NRD7914PTRK	7
    181 #define	NRD7933HBPT	46
    182 #define	NRD7933HTRK	13
    183 #define	NRD9134LBPT	16
    184 #define	NRD9134LTRK	5
    185 
    186 /*
    187  * Several HP drives have an odd number of 256 byte sectors per track.
    188  * This makes it rather difficult to break them into 512 and 1024 byte blocks.
    189  * So...we just do like HPUX and don't bother to respect hardware track/head
    190  * boundries -- we just mold the disk so that we use the entire capacity.
    191  * HPUX also sometimes doesn't abide by cylinder boundries, we attempt to
    192  * whenever possible.
    193  *
    194  * DISK		REAL (256 BPS)		HPUX (1024 BPS)		BSD (512 BPS)
    195  * 		SPT x HD x CYL		SPT x HD x CYL		SPT x HD x CYL
    196  * -----	---------------		---------------		--------------
    197  * 7936:	123 x  7 x 1396		 25 x  7 x 1716		123 x  7 x  698
    198  * 7937:	123 x 13 x 1396		 25 x 16 x 1395		123 x 13 x  698
    199  *
    200  * 7957A:	 63 x  5 x 1013		 11 x  7 x 1036		 22 x  7 x 1036
    201  * 7958A:	 63 x  8 x 1013		 21 x  6 x 1013		 36 x  7 x 1013
    202  *
    203  * 7957B:	 63 x  4 x 1269		  9 x  7 x 1269		 18 x  7 x 1269
    204  * 7958B:	 63 x  6 x 1572		 21 x  9 x  786		 42 x  9 x  786
    205  * 7959B:	 63 x 12 x 1572		 21 x  9 x 1572		 42 x  9 x 1572
    206  *
    207  * 2200A:	113 x  8 x 1449		113 x  2 x 1449		113 x  4 x 1449
    208  * 2203A:	113 x 16 x 1449		113 x  4 x 1449		113 x  8 x 1449
    209  */
    210 #define	NRD7936HBPT	123
    211 #define	NRD7936HTRK	7
    212 #define	NRD7937HBPT	123
    213 #define	NRD7937HTRK	13
    214 #define	NRD7957ABPT	22
    215 #define	NRD7957ATRK	7
    216 #define	NRD7958ABPT	36
    217 #define	NRD7958ATRK	7
    218 #define	NRD7957BBPT	18
    219 #define	NRD7957BTRK	7
    220 #define	NRD7958BBPT	42
    221 #define	NRD7958BTRK	9
    222 #define	NRD7959BBPT	42
    223 #define	NRD7959BTRK	9
    224 #define	NRD2200ABPT	113
    225 #define	NRD2200ATRK	4
    226 #define	NRD2203ABPT	113
    227 #define	NRD2203ATRK	8
    228 
    229 /* controller "unit" number */
    230 #define	RDCTLR		15
    231 
    232 /* convert 512 byte count into DEV_BSIZE count */
    233 #define RDSZ(x)		((x) >> (DEV_BSHIFT-9))
    234 
    235 /* convert block number into sector number and back */
    236 #define	RDBTOS(x)	((x) << (DEV_BSHIFT-8))
    237 #define RDSTOB(x)	((x) >> (DEV_BSHIFT-8))
    238 
    239 /* extract cyl/head/sect info from three-vector address */
    240 #define RDCYL(tva)	((u_long)(tva).cu_cyhd >> 8)
    241 #define RDHEAD(tva)	((tva).cu_cyhd & 0xFF)
    242 #define RDSECT(tva)	((tva).cu_sect)
    243 
    244 #define	REF_MASK	0x0
    245 #define	FEF_MASK	0x0
    246 #define	AEF_MASK	0x0
    247 #define	IEF_MASK	0xF970
    248 
    249 #define FEF_CU		0x4000	/* cross-unit */
    250 #define FEF_DR		0x0080	/* diagnostic result */
    251 #define FEF_IMR		0x0008	/* internal maintenance release */
    252 #define	FEF_PF		0x0002	/* power fail */
    253 #define	FEF_REXMT	0x0001	/* retransmit */
    254 #define AEF_UD		0x0040	/* unrecoverable data */
    255 #define IEF_RRMASK	0xe000	/* request release bits */
    256 #define IEF_MD		0x0020	/* marginal data */
    257 #define IEF_RD		0x0010	/* recoverable data */
    258 
    259 #define	C_READ		0x00
    260 #define	C_RAM		0x00	/* single vector (i.e. sector number) */
    261 #define	C_WRITE		0x02
    262 #define	C_CLEAR		0x08
    263 #define	C_STATUS	0x0d
    264 #define	C_SADDR		0x10
    265 #define	C_SLEN		0x18
    266 #define	C_SUNIT(x)	(0x20 | (x))
    267 #define C_SVOL(x)	(0x40 | (x))
    268 #define	C_NOP		0x34
    269 #define C_DESC		0x35
    270 #define	C_SREL		0x3b
    271 #define	C_SSM		0x3e
    272 #define	C_SRAM		0x48
    273 #define C_REL		0xc0
    274 
    275 #define	C_CMD		0x05
    276 #define	C_EXEC		0x0e
    277 #define	C_QSTAT		0x10
    278 #define	C_TCMD		0x12
    279